From 637177eb1397ef1800027bccd50dbdc1af29a15b Mon Sep 17 00:00:00 2001 From: David Walter Seikel Date: Mon, 13 Jan 2014 21:08:31 +1000 Subject: Remove LuaJIT source, we can use packaged LuaJIT 2.0 release now. Also some cleanups related to the other library removals. --- .gitignore | 617 +- LuaSL/build.sh | 12 +- build.sh | 43 - libraries/README | 16 +- libraries/luajit-2.0/.gitignore | 11 - libraries/luajit-2.0/COPYRIGHT | 56 - libraries/luajit-2.0/Makefile | 142 - libraries/luajit-2.0/README | 17 - libraries/luajit-2.0/doc/bluequad-print.css | 166 - libraries/luajit-2.0/doc/bluequad.css | 306 - libraries/luajit-2.0/doc/changes.html | 640 -- libraries/luajit-2.0/doc/contact.html | 98 - libraries/luajit-2.0/doc/ext_c_api.html | 183 - libraries/luajit-2.0/doc/ext_ffi.html | 332 - libraries/luajit-2.0/doc/ext_ffi_api.html | 553 -- libraries/luajit-2.0/doc/ext_ffi_semantics.html | 1146 --- libraries/luajit-2.0/doc/ext_ffi_tutorial.html | 598 -- libraries/luajit-2.0/doc/ext_jit.html | 195 - libraries/luajit-2.0/doc/extensions.html | 336 - libraries/luajit-2.0/doc/faq.html | 180 - libraries/luajit-2.0/doc/img/contact.png | Bin 1340 -> 0 bytes libraries/luajit-2.0/doc/install.html | 543 -- libraries/luajit-2.0/doc/luajit.html | 142 - libraries/luajit-2.0/doc/running.html | 313 - libraries/luajit-2.0/doc/status.html | 240 - libraries/luajit-2.0/dynasm/dasm_arm.h | 448 -- libraries/luajit-2.0/dynasm/dasm_arm.lua | 949 --- libraries/luajit-2.0/dynasm/dasm_mips.h | 415 - libraries/luajit-2.0/dynasm/dasm_mips.lua | 948 --- libraries/luajit-2.0/dynasm/dasm_ppc.h | 411 - libraries/luajit-2.0/dynasm/dasm_ppc.lua | 1230 --- libraries/luajit-2.0/dynasm/dasm_proto.h | 83 - libraries/luajit-2.0/dynasm/dasm_x64.lua | 12 - libraries/luajit-2.0/dynasm/dasm_x86.h | 470 -- libraries/luajit-2.0/dynasm/dasm_x86.lua | 1931 ----- libraries/luajit-2.0/dynasm/dynasm.lua | 1076 --- libraries/luajit-2.0/etc/luajit.1 | 85 - libraries/luajit-2.0/etc/luajit.pc | 24 - libraries/luajit-2.0/etc/strict.lua | 41 - libraries/luajit-2.0/lib/.gitignore | 1 - libraries/luajit-2.0/lib/bc.lua | 192 - libraries/luajit-2.0/lib/bcsave.lua | 496 -- libraries/luajit-2.0/lib/dis_arm.lua | 543 -- libraries/luajit-2.0/lib/dis_ppc.lua | 591 -- libraries/luajit-2.0/lib/dis_x64.lua | 20 - libraries/luajit-2.0/lib/dis_x86.lua | 836 -- libraries/luajit-2.0/lib/dump.lua | 685 -- libraries/luajit-2.0/lib/v.lua | 167 - libraries/luajit-2.0/src/.gitignore | 8 - libraries/luajit-2.0/src/Makefile | 633 -- libraries/luajit-2.0/src/Makefile.dep | 207 - libraries/luajit-2.0/src/buildvm.c | 513 -- libraries/luajit-2.0/src/buildvm.h | 104 - libraries/luajit-2.0/src/buildvm_arm.dasc | 4115 ---------- libraries/luajit-2.0/src/buildvm_arm.h | 7487 ----------------- libraries/luajit-2.0/src/buildvm_asm.c | 277 - libraries/luajit-2.0/src/buildvm_fold.c | 229 - libraries/luajit-2.0/src/buildvm_lib.c | 377 - libraries/luajit-2.0/src/buildvm_peobj.c | 352 - libraries/luajit-2.0/src/buildvm_ppc.dasc | 4873 ----------- libraries/luajit-2.0/src/buildvm_ppc.h | 9804 ----------------------- libraries/luajit-2.0/src/buildvm_ppcspe.dasc | 3704 --------- libraries/luajit-2.0/src/buildvm_ppcspe.h | 6093 -------------- libraries/luajit-2.0/src/buildvm_x64.h | 3406 -------- libraries/luajit-2.0/src/buildvm_x64win.h | 3401 -------- libraries/luajit-2.0/src/buildvm_x86.dasc | 6458 --------------- libraries/luajit-2.0/src/buildvm_x86.h | 3561 -------- libraries/luajit-2.0/src/lauxlib.h | 159 - libraries/luajit-2.0/src/lib_aux.c | 375 - libraries/luajit-2.0/src/lib_base.c | 650 -- libraries/luajit-2.0/src/lib_bit.c | 74 - libraries/luajit-2.0/src/lib_debug.c | 366 - libraries/luajit-2.0/src/lib_ffi.c | 811 -- libraries/luajit-2.0/src/lib_init.c | 53 - libraries/luajit-2.0/src/lib_io.c | 533 -- libraries/luajit-2.0/src/lib_jit.c | 659 -- libraries/luajit-2.0/src/lib_math.c | 218 - libraries/luajit-2.0/src/lib_os.c | 256 - libraries/luajit-2.0/src/lib_package.c | 585 -- libraries/luajit-2.0/src/lib_string.c | 855 -- libraries/luajit-2.0/src/lib_table.c | 282 - libraries/luajit-2.0/src/libluajit-5.1.so.2 | 1 - libraries/luajit-2.0/src/lj.supp | 16 - libraries/luajit-2.0/src/lj_alloc.c | 1381 ---- libraries/luajit-2.0/src/lj_alloc.h | 17 - libraries/luajit-2.0/src/lj_api.c | 1220 --- libraries/luajit-2.0/src/lj_arch.h | 324 - libraries/luajit-2.0/src/lj_asm.c | 1741 ---- libraries/luajit-2.0/src/lj_asm.h | 17 - libraries/luajit-2.0/src/lj_asm_arm.h | 1785 ----- libraries/luajit-2.0/src/lj_asm_ppc.h | 2143 ----- libraries/luajit-2.0/src/lj_asm_x86.h | 2751 ------- libraries/luajit-2.0/src/lj_bc.c | 14 - libraries/luajit-2.0/src/lj_bc.h | 261 - libraries/luajit-2.0/src/lj_bcdump.h | 66 - libraries/luajit-2.0/src/lj_bcread.c | 466 -- libraries/luajit-2.0/src/lj_bcwrite.c | 397 - libraries/luajit-2.0/src/lj_carith.c | 314 - libraries/luajit-2.0/src/lj_carith.h | 27 - libraries/luajit-2.0/src/lj_ccall.c | 675 -- libraries/luajit-2.0/src/lj_ccall.h | 143 - libraries/luajit-2.0/src/lj_ccallback.c | 544 -- libraries/luajit-2.0/src/lj_ccallback.h | 25 - libraries/luajit-2.0/src/lj_cconv.c | 742 -- libraries/luajit-2.0/src/lj_cconv.h | 70 - libraries/luajit-2.0/src/lj_cdata.c | 284 - 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libraries/luajit-2.0/src/lj_ff.h | 18 - libraries/luajit-2.0/src/lj_ffrecord.c | 855 -- libraries/luajit-2.0/src/lj_ffrecord.h | 24 - libraries/luajit-2.0/src/lj_frame.h | 160 - libraries/luajit-2.0/src/lj_func.c | 184 - libraries/luajit-2.0/src/lj_func.h | 24 - libraries/luajit-2.0/src/lj_gc.c | 838 -- libraries/luajit-2.0/src/lj_gc.h | 133 - libraries/luajit-2.0/src/lj_gdbjit.c | 783 -- libraries/luajit-2.0/src/lj_gdbjit.h | 22 - libraries/luajit-2.0/src/lj_ir.c | 492 -- libraries/luajit-2.0/src/lj_ir.h | 540 -- libraries/luajit-2.0/src/lj_ircall.h | 271 - libraries/luajit-2.0/src/lj_iropt.h | 159 - libraries/luajit-2.0/src/lj_jit.h | 394 - libraries/luajit-2.0/src/lj_lex.c | 508 -- libraries/luajit-2.0/src/lj_lex.h | 82 - libraries/luajit-2.0/src/lj_lib.c | 260 - libraries/luajit-2.0/src/lj_lib.h | 112 - libraries/luajit-2.0/src/lj_mcode.c | 364 - libraries/luajit-2.0/src/lj_mcode.h | 30 - libraries/luajit-2.0/src/lj_meta.c | 463 -- libraries/luajit-2.0/src/lj_meta.h | 37 - 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+/libraries/irrlicht-1.8.1/source/Irrlicht/CTRNormalMap.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRStencilShadow.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureBlend.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureDetailMap2.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureFlat.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureFlatWire.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureGouraud.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureGouraud2.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureGouraudAdd.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureGouraudAdd2.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureGouraudAddNoZ2.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureGouraudAlpha.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureGouraudAlphaNoZ.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureGouraudNoZ.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureGouraudNoZ2.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureGouraudVertexAlpha2.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureGouraudWire.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureLightMap2_Add.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureLightMap2_M1.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureLightMap2_M2.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureLightMap2_M4.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureLightMapGouraud2_M4.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureWire2.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTarReader.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTerrainSceneNode.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTerrainTriangleSelector.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTextSceneNode.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTriangleBBSelector.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CTriangleSelector.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CVideoModeList.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CVolumeLightSceneNode.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CWADReader.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CWaterSurfaceSceneNode.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CWriteFile.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CXMLReader.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CXMLWriter.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CXMeshFileLoader.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CZBuffer.d +/libraries/irrlicht-1.8.1/source/Irrlicht/CZipReader.d +/libraries/irrlicht-1.8.1/source/Irrlicht/IBurningShader.d +/libraries/irrlicht-1.8.1/source/Irrlicht/Irrlicht.d +/libraries/irrlicht-1.8.1/source/Irrlicht/aesGladman/aescrypt.d +/libraries/irrlicht-1.8.1/source/Irrlicht/aesGladman/aeskey.d +/libraries/irrlicht-1.8.1/source/Irrlicht/aesGladman/aestab.d +/libraries/irrlicht-1.8.1/source/Irrlicht/aesGladman/fileenc.d +/libraries/irrlicht-1.8.1/source/Irrlicht/aesGladman/hmac.d +/libraries/irrlicht-1.8.1/source/Irrlicht/aesGladman/prng.d +/libraries/irrlicht-1.8.1/source/Irrlicht/aesGladman/pwd2key.d +/libraries/irrlicht-1.8.1/source/Irrlicht/aesGladman/sha1.d +/libraries/irrlicht-1.8.1/source/Irrlicht/aesGladman/sha2.d +/libraries/irrlicht-1.8.1/source/Irrlicht/bzip2/blocksort.d +/libraries/irrlicht-1.8.1/source/Irrlicht/bzip2/bzcompress.d +/libraries/irrlicht-1.8.1/source/Irrlicht/bzip2/bzlib.d +/libraries/irrlicht-1.8.1/source/Irrlicht/bzip2/crctable.d +/libraries/irrlicht-1.8.1/source/Irrlicht/bzip2/decompress.d +/libraries/irrlicht-1.8.1/source/Irrlicht/bzip2/huffman.d +/libraries/irrlicht-1.8.1/source/Irrlicht/bzip2/randtable.d +/libraries/irrlicht-1.8.1/source/Irrlicht/irrXML.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jaricom.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcapimin.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcapistd.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcarith.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jccoefct.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jccolor.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcdctmgr.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jchuff.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcinit.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcmainct.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcmarker.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcmaster.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcomapi.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcparam.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcprepct.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jcsample.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jctrans.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdapimin.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdapistd.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdarith.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdatadst.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdatasrc.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdcoefct.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdcolor.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jddctmgr.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdhuff.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdinput.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdmainct.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdmarker.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdmaster.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdmerge.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdpostct.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdsample.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jdtrans.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jerror.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jfdctflt.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jfdctfst.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jfdctint.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jidctflt.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jidctfst.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jidctint.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jmemmgr.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jmemnobs.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jquant1.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jquant2.d +/libraries/irrlicht-1.8.1/source/Irrlicht/jpeglib/jutils.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libIrrlicht.a +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/png.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngerror.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngget.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngmem.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngpread.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngread.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngrio.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngrtran.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngrutil.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngset.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngtrans.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngwio.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngwrite.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngwtran.d +/libraries/irrlicht-1.8.1/source/Irrlicht/libpng/pngwutil.d +/libraries/irrlicht-1.8.1/source/Irrlicht/lzma/LzmaDec.d +/libraries/irrlicht-1.8.1/source/Irrlicht/os.d +/libraries/irrlicht-1.8.1/source/Irrlicht/zlib/adler32.d +/libraries/irrlicht-1.8.1/source/Irrlicht/zlib/compress.d +/libraries/irrlicht-1.8.1/source/Irrlicht/zlib/crc32.d +/libraries/irrlicht-1.8.1/source/Irrlicht/zlib/deflate.d +/libraries/irrlicht-1.8.1/source/Irrlicht/zlib/inffast.d +/libraries/irrlicht-1.8.1/source/Irrlicht/zlib/inflate.d +/libraries/irrlicht-1.8.1/source/Irrlicht/zlib/inftrees.d +/libraries/irrlicht-1.8.1/source/Irrlicht/zlib/trees.d +/libraries/irrlicht-1.8.1/source/Irrlicht/zlib/uncompr.d +/libraries/irrlicht-1.8.1/source/Irrlicht/zlib/zutil.d *.backup *.edj *.o @@ -315,9 +315,6 @@ *.diff *.lsl.lua *.lsl2 -libraries/LuaJIT-1.1.7/src/liblua.a -libraries/LuaJIT-1.1.7/src/luajit -libraries/luaproc/luaproc.so libraries/lemon/lemon LuaSL/LuaSL LuaSL/LuaSL_test diff --git a/LuaSL/build.sh b/LuaSL/build.sh index c568a02..4605cb0 100755 --- a/LuaSL/build.sh +++ b/LuaSL/build.sh @@ -19,7 +19,8 @@ fi CFLAGS="-g -Wall -Wunreachable-code -I include -I $LOCALDIR/src" CFLAGS="$CFLAGS -I ../../libraries" -CFLAGS="$CFLAGS -I ../../libraries/luajit-2.0/src" +#CFLAGS="$CFLAGS -I ../../libraries/LuaJIT-2.0.2/src" +CFLAGS="$CFLAGS $(pkg-config --cflags luajit)" #CFLAGS="$CFLAGS -I /usr/include/lua5.1" CFLAGS="$CFLAGS -I $E17DIR/include/eo-1" CFLAGS="$CFLAGS -I $E17DIR/include/eina-1" @@ -36,8 +37,10 @@ CFLAGS="$CFLAGS -I $E17DIR/include/ecore-file-1" CFLAGS="$CFLAGS -I $E17DIR/include" CFLAGS="$CFLAGS -DPACKAGE_DATA_DIR=\"$LOCALDIR\" $CFLAGOPTS" -LDFLAGS="-L ../../libraries/luajit-2.0/src -L lib -L /usr/lib -L /lib -L $E17DIR/lib" -libs="-leo -lecore -levas -ledje -lembryo -leet -leina -lluajit -lpthread -lm" +#LDFLAGS="-L ../../libraries/LuaJIT-2.0.2/src -L lib -L /usr/lib -L /lib -L $E17DIR/lib" +#libs="-leo -lecore -levas -ledje -lembryo -leet -leina -lluajit -lpthread -lm" +LDFLAGS="$(pkg-config --libs-only-L luajit) -L lib -L /usr/lib -L /lib -L $E17DIR/lib" +libs="-leo -lecore -levas -ledje -lembryo -leet -leina $(pkg-config --libs-only-L luajit) -lpthread -lm" #LDFLAGS="-L /usr/lib/lua/5.1 -L lib -L /usr/lib -L /lib -L $E17DIR/lib" #libs="-lecore -levas -ledje -lembryo -leet -leina -llua5.1 -lpthread -lm" # These need to be added to libs if linking staticaly, though some parts of EFL don't like that. @@ -52,7 +55,8 @@ libs="-leo -lecore -levas -ledje -lembryo -leet -leina -lluajit -lpthread -lm" LFLAGS="-d" EDJE_FLAGS="-id images -fd fonts" -LD_RUN_PATH="../../libraries/luajit-2.0/src:" +# Dunno why I needed this, not gonna work with a packaged LuaJIT anyway. +#LD_RUN_PATH="../../libraries/LuaJIT-2.0.2/src:" # Run lemon first, flex depends on it to define the symbol values. diff --git a/build.sh b/build.sh index 325e9ee..4231ada 100755 --- a/build.sh +++ b/build.sh @@ -2,10 +2,6 @@ wd=$(pwd) -echo "_______________ BUILDING LuaJIT _______________" -cd $wd/libraries/luajit-2.0 -make amalg PREFIX=$()/src - echo "_______________ BUILDING lemon _______________" cd $wd/libraries/lemon rm -f *.o lemon @@ -31,45 +27,6 @@ echo "_______________ BUILDING Irrlicht _______________" cd $wd/libraries/irrlicht-1.8.1/source/Irrlicht make -# Test if edje is already available, build EFL up to edje if not. -# TODO - Check EFL version. -hash edje_cc 2>&- || { - -# TODO - grab release tarballs from enlightenment.org, then build those. - echo "_______________ BUILDING eina _______________" -# cd $wd/libraries/eina -# ./configure && make - - - echo "_______________ BUILDING eet _______________" -# cd $wd/libraries/eet -# ./configure && make - - - echo "_______________ BUILDING evas _______________" -# cd $wd/libraries/evas -# ./configure && make - - - echo "_______________ BUILDING ecore _______________" -# cd $wd/libraries/ecore -# ./configure && make - - - echo "_______________ BUILDING embryo _______________" -# cd $wd/libraries/embryo -# ./configure && make - - - echo "_______________ BUILDING edje _______________" -# cd $wd/libraries/edje -# ./configure && make - - -# TODO - Install this EFL version, and/or get the rest of the system to use it. -} - - echo "_______________ BUILDING LuaSL _______________" cd $wd/LuaSL ./build.sh diff --git a/libraries/README b/libraries/README index a55823f..57f81b3 100644 --- a/libraries/README +++ b/libraries/README @@ -1,17 +1,21 @@ There are some base libraries that should be used in common. Notable -the Enlightenment Foundation Libraries (EFL), LuaJIT, luaproc, and -lemon. Other external open source projects that we just use directly -should go here to. Makes it easy to compile it all. +the Enlightenment Foundation Libraries (EFL), Irrlicht, lemon, LuaJIT, +and luaproc. Other external open source projects that we just use +directly should go here to. Makes it easy to compile it all. Note that in some cases, there might be changes. Such changes should be documented, and marked with "// onefang changes". +EFL has been released, so not including that anymore. You can find it +in distro repos, PPA's, etc. Or http://enlightenment.org/ + Irrlicht has been slightly modified to get it to use externally created GL stuff, and not use their internal copies of bzip, jpeglib, libpng, and zlib. +LuaJIT 2.0 has been released for Ubuntu 13.04 and later, try using +https://launchpad.net/~mwild1/+archive/ppa for 12.04. Not including +that anymore. + luaproc has been hacked up a bit, and will continue to be hacked up. Merged it into LuaSL, so it's no longer here. - -EFL has been released, so not including that anymore. You can find it -in distro repos, PPA's, etc. Or http://enlightenment.org/ diff --git a/libraries/luajit-2.0/.gitignore b/libraries/luajit-2.0/.gitignore deleted file mode 100644 index 1a07bf7..0000000 --- a/libraries/luajit-2.0/.gitignore +++ /dev/null @@ -1,11 +0,0 @@ -*.[oa] -*.so -*.obj -*.lib -*.exp -*.dll -*.exe -*.manifest -*.dmp -*.swp -.tags diff --git a/libraries/luajit-2.0/COPYRIGHT b/libraries/luajit-2.0/COPYRIGHT deleted file mode 100644 index 6f2a45b..0000000 --- a/libraries/luajit-2.0/COPYRIGHT +++ /dev/null @@ -1,56 +0,0 @@ -=============================================================================== -LuaJIT -- a Just-In-Time Compiler for Lua. http://luajit.org/ - -Copyright (C) 2005-2011 Mike Pall. All rights reserved. - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. - -[ MIT license: http://www.opensource.org/licenses/mit-license.php ] - -=============================================================================== -[ LuaJIT includes code from Lua 5.1/5.2, which has this license statement: ] - -Copyright (C) 1994-2011 Lua.org, PUC-Rio. - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. - -=============================================================================== -[ LuaJIT includes code from dlmalloc, which has this license statement: ] - -This is a version (aka dlmalloc) of malloc/free/realloc written by -Doug Lea and released to the public domain, as explained at -http://creativecommons.org/licenses/publicdomain - -=============================================================================== diff --git a/libraries/luajit-2.0/Makefile b/libraries/luajit-2.0/Makefile deleted file mode 100644 index 61b0cf2..0000000 --- a/libraries/luajit-2.0/Makefile +++ /dev/null @@ -1,142 +0,0 @@ -############################################################################## -# LuaJIT top level Makefile for installation. Requires GNU Make. -# -# Please read doc/install.html before changing any variables! -# -# Suitable for POSIX platforms (Linux, *BSD, OSX etc.). -# Note: src/Makefile has many more configurable options. -# -# ##### This Makefile is NOT useful for Windows! ##### -# For MSVC, please follow the instructions given in src/msvcbuild.bat. -# For MinGW and Cygwin, cd to src and run make with the Makefile there. -# -# Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -############################################################################## - -MAJVER= 2 -MINVER= 0 -RELVER= 0 -PREREL= -beta9 -VERSION= $(MAJVER).$(MINVER).$(RELVER)$(PREREL) -ABIVER= 5.1 -NODOTABIVER= 51 - -############################################################################## -# -# Change the installation path as needed. This automatically adjusts -# the paths in src/luaconf.h, too. Note: PREFIX must be an absolute path! -# -export PREFIX= /usr/local -############################################################################## - -DPREFIX= $(DESTDIR)$(PREFIX) -INSTALL_BIN= $(DPREFIX)/bin -INSTALL_LIB= $(DPREFIX)/lib -INSTALL_SHARE= $(DPREFIX)/share -INSTALL_INC= $(DPREFIX)/include/luajit-$(MAJVER).$(MINVER) - -INSTALL_JITLIB= $(INSTALL_SHARE)/luajit-$(VERSION)/jit -INSTALL_LMOD= $(INSTALL_SHARE)/lua/$(ABIVER) -INSTALL_CMOD= $(INSTALL_LIB)/lua/$(ABIVER) -INSTALL_MAN= $(INSTALL_SHARE)/man/man1 -INSTALL_PKGCONFIG= $(INSTALL_LIB)/pkgconfig - -INSTALL_TNAME= luajit-$(VERSION) -INSTALL_TSYMNAME= luajit -INSTALL_ANAME= libluajit-$(ABIVER).a -INSTALL_SONAME= libluajit-$(ABIVER).so.$(MAJVER).$(MINVER).$(RELVER) -INSTALL_SOSHORT= libluajit-$(ABIVER).so -INSTALL_DYLIBNAME= libluajit-$(NODOTABIVER).$(MAJVER).$(MINVER).$(RELVER).dylib -INSTALL_DYLIBSHORT1= libluajit-$(NODOTABIVER).dylib -INSTALL_DYLIBSHORT2= libluajit-$(NODOTABIVER).$(MAJVER).dylib -INSTALL_PCNAME= luajit.pc - -INSTALL_STATIC= $(INSTALL_LIB)/$(INSTALL_ANAME) -INSTALL_DYN= $(INSTALL_LIB)/$(INSTALL_SONAME) -INSTALL_SHORT1= $(INSTALL_LIB)/$(INSTALL_SOSHORT) -INSTALL_SHORT2= $(INSTALL_LIB)/$(INSTALL_SOSHORT) -INSTALL_T= $(INSTALL_BIN)/$(INSTALL_TNAME) -INSTALL_TSYM= $(INSTALL_BIN)/$(INSTALL_TSYMNAME) -INSTALL_PC= $(INSTALL_PKGCONFIG)/$(INSTALL_PCNAME) - -INSTALL_DIRS= $(INSTALL_BIN) $(INSTALL_LIB) $(INSTALL_INC) $(INSTALL_MAN) \ - $(INSTALL_PKGCONFIG) $(INSTALL_JITLIB) $(INSTALL_LMOD) $(INSTALL_CMOD) - -RM= rm -f -MKDIR= mkdir -p -SYMLINK= ln -sf -INSTALL_X= install -m 0755 -INSTALL_F= install -m 0644 -LDCONFIG= ldconfig -n -SED_PC= sed -e "s|^prefix=.*|prefix=$(PREFIX)|" - -FILE_T= luajit -FILE_A= libluajit.a -FILE_SO= libluajit.so -FILE_MAN= luajit.1 -FILE_PC= luajit.pc -FILES_INC= lua.h lualib.h lauxlib.h luaconf.h lua.hpp luajit.h -FILES_JITLIB= bc.lua v.lua dump.lua dis_x86.lua dis_x64.lua dis_arm.lua \ - dis_ppc.lua bcsave.lua vmdef.lua - -ifeq (,$(findstring Windows,$(OS))) - ifeq (Darwin,$(shell uname -s)) - INSTALL_SONAME= $(INSTALL_DYLIBNAME) - INSTALL_SHORT1= $(INSTALL_LIB)/$(INSTALL_DYLIBSHORT1) - INSTALL_SHORT2= $(INSTALL_LIB)/$(INSTALL_DYLIBSHORT2) - LDCONFIG= : - endif -endif - -############################################################################## - -INSTALL_DEP= src/luajit - -default all $(INSTALL_DEP): - @echo "==== Building LuaJIT $(VERSION) ====" - $(MAKE) -C src - @echo "==== Successfully built LuaJIT $(VERSION) ====" - -install: $(INSTALL_DEP) - @echo "==== Installing LuaJIT $(VERSION) to $(PREFIX) ====" - $(MKDIR) $(INSTALL_DIRS) - cd src && $(INSTALL_X) $(FILE_T) $(INSTALL_T) - cd src && test -f $(FILE_A) && $(INSTALL_F) $(FILE_A) $(INSTALL_STATIC) || : - $(RM) $(INSTALL_DYN) $(INSTALL_SHORT1) $(INSTALL_SHORT2) - cd src && test -f $(FILE_SO) && \ - $(INSTALL_X) $(FILE_SO) $(INSTALL_DYN) && \ - $(LDCONFIG) $(INSTALL_LIB) && \ - $(SYMLINK) $(INSTALL_SONAME) $(INSTALL_SHORT1) && \ - $(SYMLINK) $(INSTALL_SONAME) $(INSTALL_SHORT2) || : - cd etc && $(INSTALL_F) $(FILE_MAN) $(INSTALL_MAN) - cd etc && $(SED_PC) $(FILE_PC) > $(FILE_PC).tmp && \ - $(INSTALL_F) $(FILE_PC).tmp $(INSTALL_PC) && \ - $(RM) $(FILE_PC).tmp - cd src && $(INSTALL_F) $(FILES_INC) $(INSTALL_INC) - cd lib && $(INSTALL_F) $(FILES_JITLIB) $(INSTALL_JITLIB) - @echo "==== Successfully installed LuaJIT $(VERSION) to $(PREFIX) ====" - @echo "" - @echo "Note: the beta releases deliberately do NOT install a symlink for luajit" - @echo "You can do this now by running this command (with sudo):" - @echo "" - @echo " $(SYMLINK) $(INSTALL_TNAME) $(INSTALL_TSYM)" - @echo "" - -############################################################################## - -amalg: - @echo "Building LuaJIT $(VERSION)" - $(MAKE) -C src amalg - -clean: - $(MAKE) -C src clean - -cleaner: - $(MAKE) -C src cleaner - -distclean: - $(MAKE) -C src distclean - -.PHONY: all install amalg clean cleaner distclean - -############################################################################## diff --git a/libraries/luajit-2.0/README b/libraries/luajit-2.0/README deleted file mode 100644 index 7a5189b..0000000 --- a/libraries/luajit-2.0/README +++ /dev/null @@ -1,17 +0,0 @@ -README for LuaJIT 2.0.0-beta9 -Patched with http://luajit.org/download/beta9_hotfix1.patch ------------------------------ - -LuaJIT is a Just-In-Time (JIT) compiler for the Lua programming language. - -Project Homepage: http://luajit.org/ - -LuaJIT is Copyright (C) 2005-2011 Mike Pall. -LuaJIT is free software, released under the MIT license. -See full Copyright Notice in the COPYRIGHT file or in luajit.h. - -Documentation for LuaJIT is available in HTML format. -Please point your favorite browser to: - - doc/luajit.html - diff --git a/libraries/luajit-2.0/doc/bluequad-print.css b/libraries/luajit-2.0/doc/bluequad-print.css deleted file mode 100644 index 69c07d6..0000000 --- a/libraries/luajit-2.0/doc/bluequad-print.css +++ /dev/null @@ -1,166 +0,0 @@ -/* Copyright (C) 2004-2011 Mike Pall. - * - * You are welcome to use the general ideas of this design for your own sites. - * But please do not steal the stylesheet, the layout or the color scheme. - */ -body { - font-family: serif; - font-size: 11pt; - margin: 0 3em; - padding: 0; - border: none; -} -a:link, a:visited, a:hover, a:active { - text-decoration: none; - background: transparent; - color: #0000ff; -} -h1, h2, h3 { - font-family: sans-serif; - font-weight: bold; - text-align: left; - margin: 0.5em 0; - padding: 0; -} -h1 { - font-size: 200%; -} -h2 { - font-size: 150%; -} -h3 { - font-size: 125%; -} -p { - margin: 0 0 0.5em 0; - padding: 0; -} -ul, ol { - margin: 0.5em 0; - padding: 0 0 0 2em; -} -ul { - list-style: outside square; -} -ol { - list-style: outside decimal; -} -li { - margin: 0; - padding: 0; -} -dl { - margin: 1em 0; - padding: 1em; - border: 1px solid black; -} -dt { - font-weight: bold; - margin: 0; - padding: 0; -} -dt sup { - float: right; - margin-left: 1em; -} -dd { - margin: 0.5em 0 0 2em; - padding: 0; -} -table { - table-layout: fixed; - width: 100%; - margin: 1em 0; - padding: 0; - border: 1px solid black; - border-spacing: 0; - border-collapse: collapse; -} -tr { - margin: 0; - padding: 0; - border: none; -} -td { - text-align: left; - margin: 0; - padding: 0.2em 0.5em; - border-top: 1px solid black; - border-bottom: 1px solid black; -} -tr.separate td { - border-top: double; -} -tt, pre, code, kbd, samp { - font-family: monospace; - font-size: 75%; -} -kbd { - font-weight: bolder; -} -blockquote, pre { - margin: 1em 2em; - padding: 0; -} -img { - border: none; - vertical-align: baseline; - margin: 0; - padding: 0; -} -img.left { - float: left; - margin: 0.5em 1em 0.5em 0; -} -img.right { - float: right; - margin: 0.5em 0 0.5em 1em; -} -.flush { - clear: both; - visibility: hidden; -} -.hide, .noprint, #nav { - display: none !important; -} -.pagebreak { - page-break-before: always; -} -#site { - text-align: right; - font-family: sans-serif; - font-weight: bold; - margin: 0 1em; - border-bottom: 1pt solid black; -} -#site a { - font-size: 1.2em; -} -#site a:link, #site a:visited { - text-decoration: none; - font-weight: bold; - background: transparent; - color: #ffffff; -} -#logo { - color: #ff8000; -} -#head { - clear: both; - margin: 0 1em; -} -#main { - line-height: 1.3; - text-align: justify; - margin: 1em; -} -#foot { - clear: both; - font-size: 80%; - text-align: center; - margin: 0 1.25em; - padding: 0.5em 0 0 0; - border-top: 1pt solid black; - page-break-before: avoid; - page-break-after: avoid; -} diff --git a/libraries/luajit-2.0/doc/bluequad.css b/libraries/luajit-2.0/doc/bluequad.css deleted file mode 100644 index 49849fb..0000000 --- a/libraries/luajit-2.0/doc/bluequad.css +++ /dev/null @@ -1,306 +0,0 @@ -/* Copyright (C) 2004-2011 Mike Pall. - * - * You are welcome to use the general ideas of this design for your own sites. - * But please do not steal the stylesheet, the layout or the color scheme. - */ -/* colorscheme: - * - * site | head #4162bf/white | #6078bf/#e6ecff - * ------+------ ----------------+------------------- - * nav | main #bfcfff | #e6ecff/black - * - * nav: hiback loback #c5d5ff #b9c9f9 - * hiborder loborder #e6ecff #97a7d7 - * link hover #2142bf #ff0000 - * - * link: link visited hover #2142bf #8122bf #ff0000 - * - * main: boxback boxborder #f0f4ff #bfcfff - */ -body { - font-family: Verdana, Arial, Helvetica, sans-serif; - font-size: 10pt; - margin: 0; - padding: 0; - border: none; - background: #e0e0e0; - color: #000000; -} -a:link { - text-decoration: none; - background: transparent; - color: #2142bf; -} -a:visited { - text-decoration: none; - background: transparent; - color: #8122bf; -} -a:hover, a:active { - text-decoration: underline; - background: transparent; - color: #ff0000; -} -h1, h2, h3 { - font-weight: bold; - text-align: left; - margin: 0.5em 0; - padding: 0; - background: transparent; -} -h1 { - font-size: 200%; - line-height: 3em; /* really 6em relative to body, match #site span */ - margin: 0; -} -h2 { - font-size: 150%; - color: #606060; -} -h3 { - font-size: 125%; - color: #404040; -} -p { - max-width: 600px; - margin: 0 0 0.5em 0; - padding: 0; -} -b { - color: #404040; -} -ul, ol { - max-width: 600px; - margin: 0.5em 0; - padding: 0 0 0 2em; -} -ul { - list-style: outside square; -} -ol { - list-style: outside decimal; -} -li { - margin: 0; - padding: 0; -} -dl { - max-width: 600px; - margin: 1em 0; - padding: 1em; - border: 1px solid #bfcfff; - background: #f0f4ff; -} -dt { - font-weight: bold; - margin: 0; - padding: 0; -} -dt sup { - float: right; - margin-left: 1em; - color: #808080; -} -dt a:visited { - text-decoration: none; - color: #2142bf; -} -dt a:hover, dt a:active { - text-decoration: none; - color: #ff0000; -} -dd { - margin: 0.5em 0 0 2em; - padding: 0; -} -div.tablewrap { /* for IE *sigh* */ - max-width: 600px; -} -table { - table-layout: fixed; - border-spacing: 0; - border-collapse: collapse; - max-width: 600px; - width: 100%; - margin: 1em 0; - padding: 0; - border: 1px solid #bfcfff; -} -tr { - margin: 0; - padding: 0; - border: none; -} -tr.odd { - background: #f0f4ff; -} -tr.separate td { - border-top: 1px solid #bfcfff; -} -td { - text-align: left; - margin: 0; - padding: 0.2em 0.5em; - border: none; -} -tt, code, kbd, samp { - font-family: Courier New, Courier, monospace; - line-height: 1.2; - font-size: 110%; -} -kbd { - font-weight: bolder; -} -blockquote, pre { - max-width: 600px; - margin: 1em 2em; - padding: 0; -} -pre { - line-height: 1.1; -} -pre.code { - line-height: 1.4; - margin: 0.5em 0 1em 0.5em; - padding: 0.5em 1em; - border: 1px solid #bfcfff; - background: #f0f4ff; -} -img { - border: none; - vertical-align: baseline; - margin: 0; - padding: 0; -} -img.left { - float: left; - margin: 0.5em 1em 0.5em 0; -} -img.right { - float: right; - margin: 0.5em 0 0.5em 1em; -} -.indent { - padding-left: 1em; -} -.flush { - clear: both; - visibility: hidden; -} -.hide, .noscreen { - display: none !important; -} -.ext { - color: #ff8000; -} -#site { - clear: both; - float: left; - width: 13em; - text-align: center; - font-weight: bold; - margin: 0; - padding: 0; - background: transparent; - color: #ffffff; -} -#site a { - font-size: 200%; -} -#site a:link, #site a:visited { - text-decoration: none; - font-weight: bold; - background: transparent; - color: #ffffff; -} -#site span { - line-height: 3em; /* really 6em relative to body, match h1 */ -} -#logo { - color: #ffb380; -} -#head { - margin: 0; - padding: 0 0 0 2em; - border-left: solid 13em #4162bf; - border-right: solid 3em #6078bf; - background: #6078bf; - color: #e6ecff; -} -#nav { - clear: both; - float: left; - overflow: hidden; - text-align: left; - line-height: 1.5; - width: 13em; - padding-top: 1em; - background: transparent; -} -#nav ul { - list-style: none outside; - margin: 0; - padding: 0; -} -#nav li { - margin: 0; - padding: 0; -} -#nav a { - display: block; - text-decoration: none; - font-weight: bold; - margin: 0; - padding: 2px 1em; - border-top: 1px solid transparent; - border-bottom: 1px solid transparent; - background: transparent; - color: #2142bf; -} -#nav a:hover, #nav a:active { - text-decoration: none; - border-top: 1px solid #97a7d7; - border-bottom: 1px solid #e6ecff; - background: #b9c9f9; - color: #ff0000; -} -#nav a.current, #nav a.current:hover, #nav a.current:active { - border-top: 1px solid #e6ecff; - border-bottom: 1px solid #97a7d7; - background: #c5d5ff; - color: #2142bf; -} -#nav ul ul a { - padding: 0 1em 0 1.7em; -} -#nav ul ul ul a { - padding: 0 0.5em 0 2.4em; -} -#main { - line-height: 1.5; - text-align: left; - margin: 0; - padding: 1em 2em; - border-left: solid 13em #bfcfff; - border-right: solid 3em #e6ecff; - background: #e6ecff; -} -#foot { - clear: both; - font-size: 80%; - text-align: center; - margin: 0; - padding: 0.5em; - background: #6078bf; - color: #ffffff; -} -#foot a:link, #foot a:visited { - text-decoration: underline; - background: transparent; - color: #ffffff; -} -#foot a:hover, #foot a:active { - text-decoration: underline; - background: transparent; - color: #bfcfff; -} diff --git a/libraries/luajit-2.0/doc/changes.html b/libraries/luajit-2.0/doc/changes.html deleted file mode 100644 index 51027a9..0000000 --- a/libraries/luajit-2.0/doc/changes.html +++ /dev/null @@ -1,640 +0,0 @@ - - - -LuaJIT Change History - - - - - - - - - -
-Lua -
- - -
-

-This is a list of changes between the released versions of LuaJIT.
-The current development version is LuaJIT 2.0.0-beta9.
-The current stable version is LuaJIT 1.1.7. -

-

-Please check the -» Online Change History -to see whether newer versions are available. -

- -
-

LuaJIT 2.0.0-beta9 — 2011-12-14

- - -

LuaJIT 2.0.0-beta8 — 2011-06-23

- - -

LuaJIT 2.0.0-beta7 — 2011-05-05

- - -

LuaJIT 2.0.0-beta6 — 2011-02-11

- - -

LuaJIT 2.0.0-beta5 — 2010-08-24

- - -

LuaJIT 2.0.0-beta4 — 2010-03-28

- - -

LuaJIT 2.0.0-beta3 — 2010-03-07

- - -

LuaJIT 2.0.0-beta2 — 2009-11-09

- - -

LuaJIT 2.0.0-beta1 — 2009-10-31

- -
- -
-

LuaJIT 1.1.7 — 2011-05-05

- - -

LuaJIT 1.1.6 — 2010-03-28

- - -

LuaJIT 1.1.5 — 2008-10-25

- - -

LuaJIT 1.1.4 — 2008-02-05

- - -

LuaJIT 1.1.3 — 2007-05-24

- - -

LuaJIT 1.1.2 — 2006-06-24

- - -

LuaJIT 1.1.1 — 2006-06-20

- -

-This release is in sync with Coco 1.1.1 (see the -» Coco Change History). -

- -

LuaJIT 1.1.0 — 2006-03-13

- -

-This release is in sync with Coco 1.1.0 (see the -» Coco Change History). -

-
- -
-

LuaJIT 1.0.3 — 2005-09-08

- -

-This is the first public release of LuaJIT. -

- -

LuaJIT 1.0.2 — 2005-09-02

- -

-Not released because Lua 5.1 alpha came out today. -

- -

LuaJIT 1.0.1 — 2005-08-31

- -

-Interim non-public release. -Special thanks to Adam D. Moss for reporting most of the bugs. -

- -

LuaJIT 1.0.0 — 2005-08-29

-

-This is the initial non-public release of LuaJIT. -

-
-
-
- - - diff --git a/libraries/luajit-2.0/doc/contact.html b/libraries/luajit-2.0/doc/contact.html deleted file mode 100644 index a85c488..0000000 --- a/libraries/luajit-2.0/doc/contact.html +++ /dev/null @@ -1,98 +0,0 @@ - - - -Contact - - - - - - - - -
-Lua -
- - -
-

-Please send general questions to the -» Lua mailing list. -You can also send any questions you have directly to me: -

- - - - - -

Copyright

-

-All documentation is -Copyright © 2005-2011 Mike Pall. -

- - -
-
- - - diff --git a/libraries/luajit-2.0/doc/ext_c_api.html b/libraries/luajit-2.0/doc/ext_c_api.html deleted file mode 100644 index 35e2234..0000000 --- a/libraries/luajit-2.0/doc/ext_c_api.html +++ /dev/null @@ -1,183 +0,0 @@ - - - -Lua/C API Extensions - - - - - - - - -
-Lua -
- - -
-

-LuaJIT adds some extensions to the standard Lua/C API. The LuaJIT include -directory must be in the compiler search path (-Ipath) -to be able to include the required header for C code: -

-
-#include "luajit.h"
-
-

-Or for C++ code: -

-
-#include "lua.hpp"
-
- -

luaJIT_setmode(L, idx, mode) -— Control VM

-

-This is a C API extension to allow control of the VM from C code. The -full prototype of LuaJIT_setmode is: -

-
-LUA_API int luaJIT_setmode(lua_State *L, int idx, int mode);
-
-

-The returned status is either success (1) or failure (0). -The second argument is either 0 or a stack index (similar to the -other Lua/C API functions). -

-

-The third argument specifies the mode, which is 'or'ed with a flag. -The flag can be LUAJIT_MODE_OFF to turn a feature on, -LUAJIT_MODE_ON to turn a feature off, or -LUAJIT_MODE_FLUSH to flush cached code. -

-

-The following modes are defined: -

- -

luaJIT_setmode(L, 0, LUAJIT_MODE_ENGINE|flag)

-

-Turn the whole JIT compiler on or off or flush the whole cache of compiled code. -

- -

luaJIT_setmode(L, idx, LUAJIT_MODE_FUNC|flag)
-luaJIT_setmode(L, idx, LUAJIT_MODE_ALLFUNC|flag)
-luaJIT_setmode(L, idx, LUAJIT_MODE_ALLSUBFUNC|flag)

-

-This sets the mode for the function at the stack index idx or -the parent of the calling function (idx = 0). It either -enables JIT compilation for a function, disables it and flushes any -already compiled code or only flushes already compiled code. This -applies recursively to all sub-functions of the function with -LUAJIT_MODE_ALLFUNC or only to the sub-functions with -LUAJIT_MODE_ALLSUBFUNC. -

- -

luaJIT_setmode(L, trace,
-  LUAJIT_MODE_TRACE|LUAJIT_MODE_FLUSH)

-

-Flushes the specified root trace and all of its side traces from the cache. -The code for the trace will be retained as long as there are any other -traces which link to it. -

- -

luaJIT_setmode(L, idx, LUAJIT_MODE_WRAPCFUNC|flag)

-

-This mode defines a wrapper function for calls to C functions. If -called with LUAJIT_MODE_ON, the stack index at idx -must be a lightuserdata object holding a pointer to the wrapper -function. From now on all C functions are called through the wrapper -function. If called with LUAJIT_MODE_OFF this mode is turned -off and all C functions are directly called. -

-

-The wrapper function can be used for debugging purposes or to catch -and convert foreign exceptions. But please read the section on -C++ exception interoperability -first. Recommended usage can be seen in this C++ code excerpt: -

-
-#include <exception>
-#include "lua.hpp"
-
-// Catch C++ exceptions and convert them to Lua error messages.
-// Customize as needed for your own exception classes.
-static int wrap_exceptions(lua_State *L, lua_CFunction f)
-{
-  try {
-    return f(L);  // Call wrapped function and return result.
-  } catch (const char *s) {  // Catch and convert exceptions.
-    lua_pushstring(L, s);
-  } catch (std::exception& e) {
-    lua_pushstring(L, e.what());
-  } catch (...) {
-    lua_pushliteral(L, "caught (...)");
-  }
-  return lua_error(L);  // Rethrow as a Lua error.
-}
-
-static int myinit(lua_State *L)
-{
-  ...
-  // Define wrapper function and enable it.
-  lua_pushlightuserdata(L, (void *)wrap_exceptions);
-  luaJIT_setmode(L, -1, LUAJIT_MODE_WRAPCFUNC|LUAJIT_MODE_ON);
-  lua_pop(L, 1);
-  ...
-}
-
-

-Note that you can only define a single global wrapper function, -so be careful when using this mechanism from multiple C++ modules. -Also note that this mechanism is not without overhead. -

-
-
- - - diff --git a/libraries/luajit-2.0/doc/ext_ffi.html b/libraries/luajit-2.0/doc/ext_ffi.html deleted file mode 100644 index 9b59a3f..0000000 --- a/libraries/luajit-2.0/doc/ext_ffi.html +++ /dev/null @@ -1,332 +0,0 @@ - - - -FFI Library - - - - - - - - - -
-Lua -
- - -
-

- -The FFI library allows calling external C functions and -using C data structures from pure Lua code. - -

-

- -The FFI library largely obviates the need to write tedious manual -Lua/C bindings in C. No need to learn a separate binding language -— it parses plain C declarations! These can be -cut-n-pasted from C header files or reference manuals. It's up to -the task of binding large libraries without the need for dealing with -fragile binding generators. - -

-

-The FFI library is tightly integrated into LuaJIT (it's not available -as a separate module). The code generated by the JIT-compiler for -accesses to C data structures from Lua code is on par with the -code a C compiler would generate. Calls to C functions can -be inlined in JIT-compiled code, unlike calls to functions bound via -the classic Lua/C API. -

-

-This page gives a short introduction to the usage of the FFI library. -Please use the FFI sub-topics in the navigation bar to learn more. -

- -

Motivating Example: Calling External C Functions

-

-It's really easy to call an external C library function: -

-
-①
-②
-
-
-③local ffi = require("ffi")
-ffi.cdef[[
-int printf(const char *fmt, ...);
-]]
-ffi.C.printf("Hello %s!", "world")
-
-

-So, let's pick that apart: -

-

-① Load the FFI library. -

-

-② Add a C declaration -for the function. The part inside the double-brackets (in green) is -just standard C syntax. -

-

-③ Call the named -C function — Yes, it's that simple! -

-

-Actually, what goes on behind the scenes is far from simple: ③ makes use of the standard -C library namespace ffi.C. Indexing this namespace with -a symbol name ("printf") automatically binds it to the the -standard C library. The result is a special kind of object which, -when called, runs the printf function. The arguments passed -to this function are automatically converted from Lua objects to the -corresponding C types. -

-

-Ok, so maybe the use of printf() wasn't such a spectacular -example. You could have done that with io.write() and -string.format(), too. But you get the idea ... -

-

-So here's something to pop up a message box on Windows: -

-
-local ffi = require("ffi")
-ffi.cdef[[
-int MessageBoxA(void *w, const char *txt, const char *cap, int type);
-]]
-ffi.C.MessageBoxA(nil, "Hello world!", "Test", 0)
-
-

-Bing! Again, that was far too easy, no? -

-

-Compare this with the effort required to bind that function using the -classic Lua/C API: create an extra C file, add a C function -that retrieves and checks the argument types passed from Lua and calls -the actual C function, add a list of module functions and their -names, add a luaopen_* function and register all module -functions, compile and link it into a shared library (DLL), move it to -the proper path, add Lua code that loads the module aaaand ... finally -call the binding function. Phew! -

- -

Motivating Example: Using C Data Structures

-

-The FFI library allows you to create and access C data -structures. Of course the main use for this is for interfacing with -C functions. But they can be used stand-alone, too. -

-

-Lua is built upon high-level data types. They are flexible, extensible -and dynamic. That's why we all love Lua so much. Alas, this can be -inefficient for certain tasks, where you'd really want a low-level -data type. E.g. a large array of a fixed structure needs to be -implemented with a big table holding lots of tiny tables. This imposes -both a substantial memory overhead as well as a performance overhead. -

-

-Here's a sketch of a library that operates on color images plus a -simple benchmark. First, the plain Lua version: -

-
-local floor = math.floor
-
-local function image_ramp_green(n)
-  local img = {}
-  local f = 255/(n-1)
-  for i=1,n do
-    img[i] = { red = 0, green = floor((i-1)*f), blue = 0, alpha = 255 }
-  end
-  return img
-end
-
-local function image_to_grey(img, n)
-  for i=1,n do
-    local y = floor(0.3*img[i].red + 0.59*img[i].green + 0.11*img[i].blue)
-    img[i].red = y; img[i].green = y; img[i].blue = y
-  end
-end
-
-local N = 400*400
-local img = image_ramp_green(N)
-for i=1,1000 do
-  image_to_grey(img, N)
-end
-
-

-This creates a table with 160.000 pixels, each of which is a table -holding four number values in the range of 0-255. First an image with -a green ramp is created (1D for simplicity), then the image is -converted to greyscale 1000 times. Yes, that's silly, but I was in -need of a simple example ... -

-

-And here's the FFI version. The modified parts have been marked in -bold: -

-
-①
-
-
-
-
-
-②
-
-③
-④
-
-
-
-
-
-
-③
-⑤local ffi = require("ffi")
-ffi.cdef[[
-typedef struct { uint8_t red, green, blue, alpha; } rgba_pixel;
-]]
-
-local function image_ramp_green(n)
-  local img = ffi.new("rgba_pixel[?]", n)
-  local f = 255/(n-1)
-  for i=0,n-1 do
-    img[i].green = i*f
-    img[i].alpha = 255
-  end
-  return img
-end
-
-local function image_to_grey(img, n)
-  for i=0,n-1 do
-    local y = 0.3*img[i].red + 0.59*img[i].green + 0.11*img[i].blue
-    img[i].red = y; img[i].green = y; img[i].blue = y
-  end
-end
-
-local N = 400*400
-local img = image_ramp_green(N)
-for i=1,1000 do
-  image_to_grey(img, N)
-end
-
-

-Ok, so that wasn't too difficult: -

-

-① First, load the FFI -library and declare the low-level data type. Here we choose a -struct which holds four byte fields, one for each component -of a 4x8 bit RGBA pixel. -

-

-② Creating the data -structure with ffi.new() is straightforward — the -'?' is a placeholder for the number of elements of a -variable-length array. -

-

-③ C arrays are -zero-based, so the indexes have to run from 0 to -n-1. One might want to allocate one more element instead to -simplify converting legacy code. -

-

-④ Since ffi.new() -zero-fills the array by default, we only need to set the green and the -alpha fields. -

-

-⑤ The calls to -math.floor() can be omitted here, because floating-point -numbers are already truncated towards zero when converting them to an -integer. This happens implicitly when the number is stored in the -fields of each pixel. -

-

-Now let's have a look at the impact of the changes: first, memory -consumption for the image is down from 22 Megabytes to -640 Kilobytes (400*400*4 bytes). That's a factor of 35x less! So, -yes, tables do have a noticeable overhead. BTW: The original program -would consume 40 Megabytes in plain Lua (on x64). -

-

-Next, performance: the pure Lua version runs in 9.57 seconds (52.9 -seconds with the Lua interpreter) and the FFI version runs in 0.48 -seconds on my machine (YMMV). That's a factor of 20x faster (110x -faster than the Lua interpreter). -

-

-The avid reader may notice that converting the pure Lua version over -to use array indexes for the colors ([1] instead of -.red, [2] instead of .green etc.) ought to -be more compact and faster. This is certainly true (by a factor of -~1.7x). Switching to a struct-of-arrays would help, too. -

-

-However the resulting code would be less idiomatic and rather -error-prone. And it still doesn't get even close to the performance of -the FFI version of the code. Also, high-level data structures cannot -be easily passed to other C functions, especially I/O functions, -without undue conversion penalties. -

-
-
- - - diff --git a/libraries/luajit-2.0/doc/ext_ffi_api.html b/libraries/luajit-2.0/doc/ext_ffi_api.html deleted file mode 100644 index 222c580..0000000 --- a/libraries/luajit-2.0/doc/ext_ffi_api.html +++ /dev/null @@ -1,553 +0,0 @@ - - - -ffi.* API Functions - - - - - - - - - -
-Lua -
- - -
-

-This page describes the API functions provided by the FFI library in -detail. It's recommended to read through the -introduction and the -FFI tutorial first. -

- -

Glossary

- - -

Declaring and Accessing External Symbols

-

-External symbols must be declared first and can then be accessed by -indexing a C library -namespace, which automatically binds the symbol to a specific -library. -

- -

ffi.cdef(def)

-

-Adds multiple C declarations for types or external symbols (named -variables or functions). def must be a Lua string. It's -recommended to use the syntactic sugar for string arguments as -follows: -

-
-ffi.cdef[[
-typedef struct foo { int a, b; } foo_t;  // Declare a struct and typedef.
-int dofoo(foo_t *f, int n);  /* Declare an external C function. */
-]]
-
-

-The contents of the string (the part in green above) must be a -sequence of -C declarations, -separated by semicolons. The trailing semicolon for a single -declaration may be omitted. -

-

-Please note that external symbols are only declared, but they -are not bound to any specific address, yet. Binding is -achieved with C library namespaces (see below). -

-

-C declarations are not passed through a C pre-processor, -yet. No pre-processor tokens are allowed, except for -#pragma pack. Replace #define in existing -C header files with enum, static const -or typedef and/or pass the files through an external -C pre-processor (once). Be careful not to include unneeded or -redundant declarations from unrelated header files. -

- -

ffi.C

-

-This is the default C library namespace — note the -uppercase 'C'. It binds to the default set of symbols or -libraries on the target system. These are more or less the same as a -C compiler would offer by default, without specifying extra link -libraries. -

-

-On POSIX systems, this binds to symbols in the default or global -namespace. This includes all exported symbols from the executable and -any libraries loaded into the global namespace. This includes at least -libc, libm, libdl (on Linux), -libgcc (if compiled with GCC), as well as any exported -symbols from the Lua/C API provided by LuaJIT itself. -

-

-On Windows systems, this binds to symbols exported from the -*.exe, the lua51.dll (i.e. the Lua/C API -provided by LuaJIT itself), the C runtime library LuaJIT was linked -with (msvcrt*.dll), kernel32.dll, -user32.dll and gdi32.dll. -

- -

clib = ffi.load(name [,global])

-

-This loads the dynamic library given by name and returns -a new C library namespace which binds to its symbols. On POSIX -systems, if global is true, the library symbols are -loaded into the global namespace, too. -

-

-If name is a path, the library is loaded from this path. -Otherwise name is canonicalized in a system-dependent way and -searched in the default search path for dynamic libraries: -

-

-On POSIX systems, if the name contains no dot, the extension -.so is appended. Also, the lib prefix is prepended -if necessary. So ffi.load("z") looks for "libz.so" -in the default shared library search path. -

-

-On Windows systems, if the name contains no dot, the extension -.dll is appended. So ffi.load("ws2_32") looks for -"ws2_32.dll" in the default DLL search path. -

- -

Creating cdata Objects

-

-The following API functions create cdata objects (type() -returns "cdata"). All created cdata objects are -garbage collected. -

- -

cdata = ffi.new(ct [,nelem] [,init...])
-cdata = ctype([nelem,] [init...])

-

-Creates a cdata object for the given ct. VLA/VLS types -require the nelem argument. The second syntax uses a ctype as -a constructor and is otherwise fully equivalent. -

-

-The cdata object is initialized according to the -rules for initializers, -using the optional init arguments. Excess initializers cause -an error. -

-

-Performance notice: if you want to create many objects of one kind, -parse the cdecl only once and get its ctype with -ffi.typeof(). Then use the ctype as a constructor repeatedly. -

-

-Please note that an anonymous struct declaration implicitly -creates a new and distinguished ctype every time you use it for -ffi.new(). This is probably not what you want, -especially if you create more than one cdata object. Different anonymous -structs are not considered assignment-compatible by the -C standard, even though they may have the same fields! Also, they -are considered different types by the JIT-compiler, which may cause an -excessive number of traces. It's strongly suggested to either declare -a named struct or typedef with ffi.cdef() -or to create a single ctype object for an anonymous struct -with ffi.typeof(). -

- -

ctype = ffi.typeof(ct)

-

-Creates a ctype object for the given ct. -

-

-This function is especially useful to parse a cdecl only once and then -use the resulting ctype object as a constructor. -

- -

cdata = ffi.cast(ct, init)

-

-Creates a scalar cdata object for the given ct. The cdata -object is initialized with init using the "cast" variant of -the C type conversion -rules. -

-

-This functions is mainly useful to override the pointer compatibility -checks or to convert pointers to addresses or vice versa. -

- -

ctype = ffi.metatype(ct, metatable)

-

-Creates a ctype object for the given ct and associates it with -a metatable. Only struct/union types, complex numbers -and vectors are allowed. Other types may be wrapped in a -struct, if needed. -

-

-The association with a metatable is permanent and cannot be changed -afterwards. Neither the contents of the metatable nor the -contents of an __index table (if any) may be modified -afterwards. The associated metatable automatically applies to all uses -of this type, no matter how the objects are created or where they -originate from. Note that pre-defined operations on types have -precedence (e.g. declared field names cannot be overriden). -

-

-All standard Lua metamethods are implemented. These are called directly, -without shortcuts and on any mix of types. For binary operations, the -left operand is checked first for a valid ctype metamethod. The -__gc metamethod only applies to struct/union -types and performs an implicit ffi.gc() -call during creation of an instance. -

- -

cdata = ffi.gc(cdata, finalizer)

-

-Associates a finalizer with a pointer or aggregate cdata object. The -cdata object is returned unchanged. -

-

-This function allows safe integration of unmanaged resources into the -automatic memory management of the LuaJIT garbage collector. Typical -usage: -

-
-local p = ffi.gc(ffi.C.malloc(n), ffi.C.free)
-...
-p = nil -- Last reference to p is gone.
--- GC will eventually run finalizer: ffi.C.free(p)
-
-

-A cdata finalizer works like the __gc metamethod for userdata -objects: when the last reference to a cdata object is gone, the -associated finalizer is called with the cdata object as an argument. The -finalizer can be a Lua function or a cdata function or cdata function -pointer. An existing finalizer can be removed by setting a nil -finalizer, e.g. right before explicitly deleting a resource: -

-
-ffi.C.free(ffi.gc(p, nil)) -- Manually free the memory.
-
- -

C Type Information

-

-The following API functions return information about C types. -They are most useful for inspecting cdata objects. -

- -

size = ffi.sizeof(ct [,nelem])

-

-Returns the size of ct in bytes. Returns nil if -the size is not known (e.g. for "void" or function types). -Requires nelem for VLA/VLS types, except for cdata objects. -

- -

align = ffi.alignof(ct)

-

-Returns the minimum required alignment for ct in bytes. -

- -

ofs [,bpos,bsize] = ffi.offsetof(ct, field)

-

-Returns the offset (in bytes) of field relative to the start -of ct, which must be a struct. Additionally returns -the position and the field size (in bits) for bit fields. -

- -

status = ffi.istype(ct, obj)

-

-Returns true if obj has the C type given by -ct. Returns false otherwise. -

-

-C type qualifiers (const etc.) are ignored. Pointers are -checked with the standard pointer compatibility rules, but without any -special treatment for void *. If ct specifies a -struct/union, then a pointer to this type is accepted, -too. Otherwise the types must match exactly. -

-

-Note: this function accepts all kinds of Lua objects for the -obj argument, but always returns false for non-cdata -objects. -

- -

Utility Functions

- -

err = ffi.errno([newerr])

-

-Returns the error number set by the last C function call which -indicated an error condition. If the optional newerr argument -is present, the error number is set to the new value and the previous -value is returned. -

-

-This function offers a portable and OS-independent way to get and set the -error number. Note that only some C functions set the error -number. And it's only significant if the function actually indicated an -error condition (e.g. with a return value of -1 or -NULL). Otherwise, it may or may not contain any previously set -value. -

-

-You're advised to call this function only when needed and as close as -possible after the return of the related C function. The -errno value is preserved across hooks, memory allocations, -invocations of the JIT compiler and other internal VM activity. The same -applies to the value returned by GetLastError() on Windows, but -you need to declare and call it yourself. -

- -

str = ffi.string(ptr [,len])

-

-Creates an interned Lua string from the data pointed to by -ptr. -

-

-If the optional argument len is missing, ptr is -converted to a "char *" and the data is assumed to be -zero-terminated. The length of the string is computed with -strlen(). -

-

-Otherwise ptr is converted to a "void *" and -len gives the length of the data. The data may contain -embedded zeros and need not be byte-oriented (though this may cause -endianess issues). -

-

-This function is mainly useful to convert (temporary) -"const char *" pointers returned by -C functions to Lua strings and store them or pass them to other -functions expecting a Lua string. The Lua string is an (interned) copy -of the data and bears no relation to the original data area anymore. -Lua strings are 8 bit clean and may be used to hold arbitrary, -non-character data. -

-

-Performance notice: it's faster to pass the length of the string, if -it's known. E.g. when the length is returned by a C call like -sprintf(). -

- -

ffi.copy(dst, src, len)
-ffi.copy(dst, str)

-

-Copies the data pointed to by src to dst. -dst is converted to a "void *" and src -is converted to a "const void *". -

-

-In the first syntax, len gives the number of bytes to copy. -Caveat: if src is a Lua string, then len must not -exceed #src+1. -

-

-In the second syntax, the source of the copy must be a Lua string. All -bytes of the string plus a zero-terminator are copied to -dst (i.e. #src+1 bytes). -

-

-Performance notice: ffi.copy() may be used as a faster -(inlinable) replacement for the C library functions -memcpy(), strcpy() and strncpy(). -

- -

ffi.fill(dst, len [,c])

-

-Fills the data pointed to by dst with len constant -bytes, given by c. If c is omitted, the data is -zero-filled. -

-

-Performance notice: ffi.fill() may be used as a faster -(inlinable) replacement for the C library function -memset(dst, c, len). Please note the different -order of arguments! -

- -

Target-specific Information

- -

status = ffi.abi(param)

-

-Returns true if param (a Lua string) applies for the -target ABI (Application Binary Interface). Returns false -otherwise. The following parameters are currently defined: -

- - - - - - - - - - - - - - - - - - - - - - - -
ParameterDescription
32bit32 bit architecture
64bit64 bit architecture
leLittle-endian architecture
beBig-endian architecture
fpuTarget has a hardware FPU
softfpsoftfp calling conventions
hardfphardfp calling conventions
eabiEABI variant of the standard ABI
winWindows variant of the standard ABI
- -

ffi.os

-

-Contains the target OS name. Same contents as -jit.os. -

- -

ffi.arch

-

-Contains the target architecture name. Same contents as -jit.arch. -

- -

Methods for Callbacks

-

-The C types for callbacks -have some extra methods: -

- -

cb:free()

-

-Free the resources associated with a callback. The associated Lua -function is unanchored and may be garbage collected. The callback -function pointer is no longer valid and must not be called anymore -(it may be reused by a subsequently created callback). -

- -

cb:set(func)

-

-Associate a new Lua function with a callback. The C type of the -callback and the callback function pointer are unchanged. -

-

-This method is useful to dynamically switch the receiver of callbacks -without creating a new callback each time and registering it again (e.g. -with a GUI library). -

- -

Extended Standard Library Functions

-

-The following standard library functions have been extended to work -with cdata objects: -

- -

n = tonumber(cdata)

-

-Converts a number cdata object to a double and returns it as -a Lua number. This is particularly useful for boxed 64 bit -integer values. Caveat: this conversion may incur a precision loss. -

- -

s = tostring(cdata)

-

-Returns a string representation of the value of 64 bit integers -("nnnLL" or "nnnULL") or -complex numbers ("re±imi"). Otherwise -returns a string representation of the C type of a ctype object -("ctype<type>") or a cdata object -("cdata<type>: address"). -

- -

Extensions to the Lua Parser

-

-The parser for Lua source code treats numeric literals with the -suffixes LL or ULL as signed or unsigned 64 bit -integers. Case doesn't matter, but uppercase is recommended for -readability. It handles both decimal (42LL) and hexadecimal -(0x2aLL) literals. -

-

-The imaginary part of complex numbers can be specified by suffixing -number literals with i or I, e.g. 12.5i. -Caveat: you'll need to use 1i to get an imaginary part with -the value one, since i itself still refers to a variable -named i. -

-
-
- - - diff --git a/libraries/luajit-2.0/doc/ext_ffi_semantics.html b/libraries/luajit-2.0/doc/ext_ffi_semantics.html deleted file mode 100644 index 661b0b4..0000000 --- a/libraries/luajit-2.0/doc/ext_ffi_semantics.html +++ /dev/null @@ -1,1146 +0,0 @@ - - - -FFI Semantics - - - - - - - - - -
-Lua -
- - -
-

-This page describes the detailed semantics underlying the FFI library -and its interaction with both Lua and C code. -

-

-Given that the FFI library is designed to interface with C code -and that declarations can be written in plain C syntax, it -closely follows the C language semantics, wherever possible. -Some minor concessions are needed for smoother interoperation with Lua -language semantics. -

-

-Please don't be overwhelmed by the contents of this page — this -is a reference and you may need to consult it, if in doubt. It doesn't -hurt to skim this page, but most of the semantics "just work" as you'd -expect them to work. It should be straightforward to write -applications using the LuaJIT FFI for developers with a C or C++ -background. -

-

-Please note: this doesn't comprise the final specification for the FFI -semantics, yet. Some semantics may need to be changed, based on your -feedback. Please report any problems you may -encounter or any improvements you'd like to see — thank you! -

- -

C Language Support

-

-The FFI library has a built-in C parser with a minimal memory -footprint. It's used by the ffi.* library -functions to declare C types or external symbols. -

-

-It's only purpose is to parse C declarations, as found e.g. in -C header files. Although it does evaluate constant expressions, -it's not a C compiler. The body of inline -C function definitions is simply ignored. -

-

-Also, this is not a validating C parser. It expects and -accepts correctly formed C declarations, but it may choose to -ignore bad declarations or show rather generic error messages. If in -doubt, please check the input against your favorite C compiler. -

-

-The C parser complies to the C99 language standard plus -the following extensions: -

- -

-The following C types are pre-defined by the C parser (like -a typedef, except re-declarations will be ignored): -

- -

-You're encouraged to use these types in preference to the -compiler-specific extensions or the target-dependent standard types. -E.g. char differs in signedness and long differs in -size, depending on the target architecture and platform ABI. -

-

-The following C features are not supported: -

- - -

C Type Conversion Rules

- -

Conversions from C types to Lua objects

-

-These conversion rules apply for read accesses to -C types: indexing pointers, arrays or -struct/union types; reading external variables or -constant values; retrieving return values from C calls: -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
InputConversionOutput
int8_t, int16_t→sign-ext int32_t → doublenumber
uint8_t, uint16_t→zero-ext int32_t → doublenumber
int32_t, uint32_t→ doublenumber
int64_t, uint64_tboxed value64 bit int cdata
double, float→ doublenumber
bool0 → false, otherwise trueboolean
Complex numberboxed valuecomplex cdata
Vectorboxed valuevector cdata
Pointerboxed valuepointer cdata
Arrayboxed referencereference cdata
struct/unionboxed referencereference cdata
-

-Bitfields or enum types are treated like their underlying -type. -

-

-Reference types are dereferenced before a conversion can take -place — the conversion is applied to the C type pointed to -by the reference. -

- -

Conversions from Lua objects to C types

-

-These conversion rules apply for write accesses to -C types: indexing pointers, arrays or -struct/union types; initializing cdata objects; -casts to C types; writing to external variables; passing -arguments to C calls: -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
InputConversionOutput
number→double
booleanfalse → 0, true → 1bool
nilNULL →(void *)
userdatauserdata payload →(void *)
lightuserdatalightuserdata address →(void *)
stringmatch against enum constantenum
stringcopy string data + zero-byteint8_t[], uint8_t[]
stringstring data →const char[]
functioncreate callback →C function type
tabletable initializerArray
tabletable initializerstruct/union
cdatacdata payload →C type
-

-If the result type of this conversion doesn't match the -C type of the destination, the -conversion rules between C types -are applied. -

-

-Reference types are immutable after initialization ("no re-seating of -references"). For initialization purposes or when passing values to -reference parameters, they are treated like pointers. Note that unlike -in C++, there's no way to implement automatic reference generation of -variables under the Lua language semantics. If you want to call a -function with a reference parameter, you need to explicitly pass a -one-element array. -

- -

Conversions between C types

-

-These conversion rules are more or less the same as the standard -C conversion rules. Some rules only apply to casts, or require -pointer or type compatibility: -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
InputConversionOutput
Signed integer→narrow or sign-extendInteger
Unsigned integer→narrow or zero-extendInteger
Integer→rounddouble, float
double, float→trunc int32_t →narrow(u)int8_t, (u)int16_t
double, float→trunc(u)int32_t, (u)int64_t
double, float→roundfloat, double
Numbern == 0 → 0, otherwise 1bool
boolfalse → 0, true → 1Number
Complex numberconvert real partNumber
Numberconvert real part, imag = 0Complex number
Complex numberconvert real and imag partComplex number
Numberconvert scalar and replicateVector
Vectorcopy (same size)Vector
struct/uniontake base address (compat)Pointer
Arraytake base address (compat)Pointer
Functiontake function addressFunction pointer
Numberconvert via uintptr_t (cast)Pointer
Pointerconvert address (compat/cast)Pointer
Pointerconvert address (cast)Integer
Arrayconvert base address (cast)Integer
Arraycopy (compat)Array
struct/unioncopy (identical type)struct/union
-

-Bitfields or enum types are treated like their underlying -type. -

-

-Conversions not listed above will raise an error. E.g. it's not -possible to convert a pointer to a complex number or vice versa. -

- -

Conversions for vararg C function arguments

-

-The following default conversion rules apply when passing Lua objects -to the variable argument part of vararg C functions: -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
InputConversionOutput
number→double
booleanfalse → 0, true → 1bool
nilNULL →(void *)
userdatauserdata payload →(void *)
lightuserdatalightuserdata address →(void *)
stringstring data →const char *
float cdata→double
Array cdatatake base addressElement pointer
struct/union cdatatake base addressstruct/union pointer
Function cdatatake function addressFunction pointer
Any other cdatano conversionC type
-

-To pass a Lua object, other than a cdata object, as a specific type, -you need to override the conversion rules: create a temporary cdata -object with a constructor or a cast and initialize it with the value -to pass: -

-

-Assuming x is a Lua number, here's how to pass it as an -integer to a vararg function: -

-
-ffi.cdef[[
-int printf(const char *fmt, ...);
-]]
-ffi.C.printf("integer value: %d\n", ffi.new("int", x))
-
-

-If you don't do this, the default Lua number → double -conversion rule applies. A vararg C function expecting an integer -will see a garbled or uninitialized value. -

- -

Initializers

-

-Creating a cdata object with -ffi.new() or the -equivalent constructor syntax always initializes its contents, too. -Different rules apply, depending on the number of optional -initializers and the C types involved: -

- - -

Table Initializers

-

-The following rules apply if a Lua table is used to initialize an -Array or a struct/union: -

- -

-Example: -

-
-local ffi = require("ffi")
-
-ffi.cdef[[
-struct foo { int a, b; };
-union bar { int i; double d; };
-struct nested { int x; struct foo y; };
-]]
-
-ffi.new("int[3]", {})            --> 0, 0, 0
-ffi.new("int[3]", {1})           --> 1, 1, 1
-ffi.new("int[3]", {1,2})         --> 1, 2, 0
-ffi.new("int[3]", {1,2,3})       --> 1, 2, 3
-ffi.new("int[3]", {[0]=1})       --> 1, 1, 1
-ffi.new("int[3]", {[0]=1,2})     --> 1, 2, 0
-ffi.new("int[3]", {[0]=1,2,3})   --> 1, 2, 3
-ffi.new("int[3]", {[0]=1,2,3,4}) --> error: too many initializers
-
-ffi.new("struct foo", {})            --> a = 0, b = 0
-ffi.new("struct foo", {1})           --> a = 1, b = 0
-ffi.new("struct foo", {1,2})         --> a = 1, b = 2
-ffi.new("struct foo", {[0]=1,2})     --> a = 1, b = 2
-ffi.new("struct foo", {b=2})         --> a = 0, b = 2
-ffi.new("struct foo", {a=1,b=2,c=3}) --> a = 1, b = 2  'c' is ignored
-
-ffi.new("union bar", {})        --> i = 0, d = 0.0
-ffi.new("union bar", {1})       --> i = 1, d = ?
-ffi.new("union bar", {[0]=1,2}) --> i = 1, d = ?    '2' is ignored
-ffi.new("union bar", {d=2})     --> i = ?, d = 2.0
-
-ffi.new("struct nested", {1,{2,3}})     --> x = 1, y.a = 2, y.b = 3
-ffi.new("struct nested", {x=1,y={2,3}}) --> x = 1, y.a = 2, y.b = 3
-
- -

Operations on cdata Objects

-

-All of the standard Lua operators can be applied to cdata objects or a -mix of a cdata object and another Lua object. The following list shows -the valid combinations. All other combinations currently raise an -error. -

-

-Reference types are dereferenced before performing each of -the operations below — the operation is applied to the -C type pointed to by the reference. -

-

-The pre-defined operations are always tried first before deferring to a -metamethod for a ctype (if defined). -

- -

Indexing a cdata object

- -

-Note: since there's (deliberately) no address-of operator, a cdata -object holding a value type is effectively immutable after -initialization. The JIT compiler benefits from this fact when applying -certain optimizations. -

-

-As a consequence of this, the elements of complex numbers and -vectors are immutable. But the elements of an aggregate holding these -types may be modified of course. I.e. you cannot assign to -foo.c.im, but you can assign a (newly created) complex number -to foo.c. -

- -

Calling a cdata object

- - -

Arithmetic on cdata objects

- - -

Comparisons of cdata objects

- - -

cdata objects as table keys

-

-Lua tables may be indexed by cdata objects, but this doesn't provide -any useful semantics — cdata objects are unsuitable as table -keys! -

-

-A cdata object is treated like any other garbage-collected object and -is hashed and compared by its address for table indexing. Since -there's no interning for cdata value types, the same value may be -boxed in different cdata objects with different addresses. Thus -t[1LL+1LL] and t[2LL] usually do not point to -the same hash slot and they certainly do not point to the same -hash slot as t[2]. -

-

-It would seriously drive up implementation complexity and slow down -the common case, if one were to add extra handling for by-value -hashing and comparisons to Lua tables. Given the ubiquity of their use -inside the VM, this is not acceptable. -

-

-There are three viable alternatives, if you really need to use cdata -objects as keys: -

- - -

Garbage Collection of cdata Objects

-

-All explicitly (ffi.new(), ffi.cast() etc.) or -implicitly (accessors) created cdata objects are garbage collected. -You need to ensure to retain valid references to cdata objects -somewhere on a Lua stack, an upvalue or in a Lua table while they are -still in use. Once the last reference to a cdata object is gone, the -garbage collector will automatically free the memory used by it (at -the end of the next GC cycle). -

-

-Please note that pointers themselves are cdata objects, however they -are not followed by the garbage collector. So e.g. if you -assign a cdata array to a pointer, you must keep the cdata object -holding the array alive as long as the pointer is still in use: -

-
-ffi.cdef[[
-typedef struct { int *a; } foo_t;
-]]
-
-local s = ffi.new("foo_t", ffi.new("int[10]")) -- WRONG!
-
-local a = ffi.new("int[10]") -- OK
-local s = ffi.new("foo_t", a)
--- Now do something with 's', but keep 'a' alive until you're done.
-
-

-Similar rules apply for Lua strings which are implicitly converted to -"const char *": the string object itself must be -referenced somewhere or it'll be garbage collected eventually. The -pointer will then point to stale data, which may have already been -overwritten. Note that string literals are automatically kept -alive as long as the function containing it (actually its prototype) -is not garbage collected. -

-

-Objects which are passed as an argument to an external C function -are kept alive until the call returns. So it's generally safe to -create temporary cdata objects in argument lists. This is a common -idiom for passing specific C types to -vararg functions. -

-

-Memory areas returned by C functions (e.g. from malloc()) -must be manually managed, of course (or use -ffi.gc()). Pointers to -cdata objects are indistinguishable from pointers returned by C -functions (which is one of the reasons why the GC cannot follow them). -

- -

Callbacks

-

-The LuaJIT FFI automatically generates special callback functions -whenever a Lua function is converted to a C function pointer. This -associates the generated callback function pointer with the C type -of the function pointer and the Lua function object (closure). -

-

-This can happen implicitly due to the usual conversions, e.g. when -passing a Lua function to a function pointer argument. Or you can use -ffi.cast() to explicitly cast a Lua function to a -C function pointer. -

-

-Currently only certain C function types can be used as callback -functions. Neither C vararg functions nor functions with -pass-by-value aggregate argument or result types are supported. There -are no restrictions for the kind of Lua functions that can be called -from the callback — no checks for the proper number of arguments -are made. The return value of the Lua function will be converted to the -result type and an error will be thrown for invalid conversions. -

-

-It's allowed to throw errors across a callback invocation, but it's not -advisable in general. Do this only if you know the C function, that -called the callback, copes with the forced stack unwinding and doesn't -leak resources. -

- -

Callback resource handling

-

-Callbacks take up resources — you can only have a limited number -of them at the same time (500 - 1000, depending on the -architecture). The associated Lua functions are anchored to prevent -garbage collection, too. -

-

-Callbacks due to implicit conversions are permanent! There is no -way to guess their lifetime, since the C side might store the -function pointer for later use (typical for GUI toolkits). The associated -resources cannot be reclaimed until termination: -

-
-ffi.cdef[[
-typedef int (__stdcall *WNDENUMPROC)(void *hwnd, intptr_t l);
-int EnumWindows(WNDENUMPROC func, intptr_t l);
-]]
-
--- Implicit conversion to a callback via function pointer argument.
-local count = 0
-ffi.C.EnumWindows(function(hwnd, l)
-  count = count + 1
-  return true
-end, 0)
--- The callback is permanent and its resources cannot be reclaimed!
--- Ok, so this may not be a problem, if you do this only once.
-
-

-Note: this example shows that you must properly declare -__stdcall callbacks on Windows/x86 systems. The calling -convention cannot be automatically detected, unlike for -__stdcall calls to Windows functions. -

-

-For some use cases it's necessary to free up the resources or to -dynamically redirect callbacks. Use an explicit cast to a -C function pointer and keep the resulting cdata object. Then use -the cb:free() -or cb:set() methods -on the cdata object: -

-
--- Explicitly convert to a callback via cast.
-local count = 0
-local cb = ffi.cast("WNDENUMPROC", function(hwnd, l)
-  count = count + 1
-  return true
-end)
-
--- Pass it to a C function.
-ffi.C.EnumWindows(cb, 0)
--- EnumWindows doesn't need the callback after it returns, so free it.
-
-cb:free()
--- The callback function pointer is no longer valid and its resources
--- will be reclaimed. The created Lua closure will be garbage collected.
-
- -

Callback performance

-

-Callbacks are slow! First, the C to Lua transition itself -has an unavoidable cost, similar to a lua_call() or -lua_pcall(). Argument and result marshalling add to that cost. -And finally, neither the C compiler nor LuaJIT can inline or -optimize across the language barrier and hoist repeated computations out -of a callback function. -

-

-Do not use callbacks for performance-sensitive work: e.g. consider a -numerical integration routine which takes a user-defined function to -integrate over. It's a bad idea to call a user-defined Lua function from -C code millions of times. The callback overhead will be absolutely -detrimental for performance. -

-

-It's considerably faster to write the numerical integration routine -itself in Lua — the JIT compiler will be able to inline the -user-defined function and optimize it together with its calling context, -with very competitive performance. -

-

-As a general guideline: use callbacks only when you must, because -of existing C APIs. E.g. callback performance is irrelevant for a -GUI application, which waits for user input most of the time, anyway. -

-

-For new designs avoid push-style APIs (C function repeatedly -calling a callback for each result). Instead use pull-style APIs -(call a C function repeatedly to get a new result). Calls from Lua -to C via the FFI are much faster than the other way round. Most well-designed -libraries already use pull-style APIs (read/write, get/put). -

- -

C Library Namespaces

-

-A C library namespace is a special kind of object which allows -access to the symbols contained in shared libraries or the default -symbol namespace. The default -ffi.C namespace is -automatically created when the FFI library is loaded. C library -namespaces for specific shared libraries may be created with the -ffi.load() API -function. -

-

-Indexing a C library namespace object with a symbol name (a Lua -string) automatically binds it to the library. First the symbol type -is resolved — it must have been declared with -ffi.cdef. Then the -symbol address is resolved by searching for the symbol name in the -associated shared libraries or the default symbol namespace. Finally, -the resulting binding between the symbol name, the symbol type and its -address is cached. Missing symbol declarations or nonexistent symbol -names cause an error. -

-

-This is what happens on a read access for the different kinds of -symbols: -

- -

-This is what happens on a write access: -

- -

-C library namespaces themselves are garbage collected objects. If -the last reference to the namespace object is gone, the garbage -collector will eventually release the shared library reference and -remove all memory associated with the namespace. Since this may -trigger the removal of the shared library from the memory of the -running process, it's generally not safe to use function -cdata objects obtained from a library if the namespace object may be -unreferenced. -

-

-Performance notice: the JIT compiler specializes to the identity of -namespace objects and to the strings used to index it. This -effectively turns function cdata objects into constants. It's not -useful and actually counter-productive to explicitly cache these -function objects, e.g. local strlen = ffi.C.strlen. OTOH it -is useful to cache the namespace itself, e.g. local C = -ffi.C. -

- -

No Hand-holding!

-

-The FFI library has been designed as a low-level library. The -goal is to interface with C code and C data types with a -minimum of overhead. This means you can do anything you can do -from C: access all memory, overwrite anything in memory, call -machine code at any memory address and so on. -

-

-The FFI library provides no memory safety, unlike regular Lua -code. It will happily allow you to dereference a NULL -pointer, to access arrays out of bounds or to misdeclare -C functions. If you make a mistake, your application might crash, -just like equivalent C code would. -

-

-This behavior is inevitable, since the goal is to provide full -interoperability with C code. Adding extra safety measures, like -bounds checks, would be futile. There's no way to detect -misdeclarations of C functions, since shared libraries only -provide symbol names, but no type information. Likewise there's no way -to infer the valid range of indexes for a returned pointer. -

-

-Again: the FFI library is a low-level library. This implies it needs -to be used with care, but it's flexibility and performance often -outweigh this concern. If you're a C or C++ developer, it'll be easy -to apply your existing knowledge. OTOH writing code for the FFI -library is not for the faint of heart and probably shouldn't be the -first exercise for someone with little experience in Lua, C or C++. -

-

-As a corollary of the above, the FFI library is not safe for use by -untrusted Lua code. If you're sandboxing untrusted Lua code, you -definitely don't want to give this code access to the FFI library or -to any cdata object (except 64 bit integers or complex -numbers). Any properly engineered Lua sandbox needs to provide safety -wrappers for many of the standard Lua library functions — -similar wrappers need to be written for high-level operations on FFI -data types, too. -

- -

Current Status

-

-The initial release of the FFI library has some limitations and is -missing some features. Most of these will be fixed in future releases. -

-

-C language support is -currently incomplete: -

- -

-The JIT compiler already handles a large subset of all FFI operations. -It automatically falls back to the interpreter for unimplemented -operations (you can check for this with the --jv command line option). -The following operations are currently not compiled and may exhibit -suboptimal performance, especially when used in inner loops: -

- -

-Other missing features: -

- -
-
- - - diff --git a/libraries/luajit-2.0/doc/ext_ffi_tutorial.html b/libraries/luajit-2.0/doc/ext_ffi_tutorial.html deleted file mode 100644 index fb46a84..0000000 --- a/libraries/luajit-2.0/doc/ext_ffi_tutorial.html +++ /dev/null @@ -1,598 +0,0 @@ - - - -FFI Tutorial - - - - - - - - - -
-Lua -
- - -
-

-This page is intended to give you an overview of the features of the FFI -library by presenting a few use cases and guidelines. -

-

-This page makes no attempt to explain all of the FFI library, though. -You'll want to have a look at the ffi.* API -function reference and the FFI -semantics to learn more. -

- -

Loading the FFI Library

-

-The FFI library is built into LuaJIT by default, but it's not loaded -and initialized by default. The suggested way to use the FFI library -is to add the following to the start of every Lua file that needs one -of its functions: -

-
-local ffi = require("ffi")
-
-

-Please note this doesn't define an ffi variable in the table -of globals — you really need to use the local variable. The -require function ensures the library is only loaded once. -

- -

Accessing Standard System Functions

-

-The following code explains how to access standard system functions. -We slowly print two lines of dots by sleeping for 10 milliseconds -after each dot: -

-
- 
-①
-
-
-
-
-
-②
-③
-④
-
-
-
-⑤
-
-
-
-
-
-⑥local ffi = require("ffi")
-ffi.cdef[[
-void Sleep(int ms);
-int poll(struct pollfd *fds, unsigned long nfds, int timeout);
-]]
-
-local sleep
-if ffi.os == "Windows" then
-  function sleep(s)
-    ffi.C.Sleep(s*1000)
-  end
-else
-  function sleep(s)
-    ffi.C.poll(nil, 0, s*1000)
-  end
-end
-
-for i=1,160 do
-  io.write("."); io.flush()
-  sleep(0.01)
-end
-io.write("\n")
-
-

-Here's the step-by-step explanation: -

-

-① This defines the -C library functions we're going to use. The part inside the -double-brackets (in green) is just standard C syntax. You can -usually get this info from the C header files or the -documentation provided by each C library or C compiler. -

-

-② The difficulty we're -facing here, is that there are different standards to choose from. -Windows has a simple Sleep() function. On other systems there -are a variety of functions available to achieve sub-second sleeps, but -with no clear consensus. Thankfully poll() can be used for -this task, too, and it's present on most non-Windows systems. The -check for ffi.os makes sure we use the Windows-specific -function only on Windows systems. -

-

-③ Here we're wrapping the -call to the C function in a Lua function. This isn't strictly -necessary, but it's helpful to deal with system-specific issues only -in one part of the code. The way we're wrapping it ensures the check -for the OS is only done during initialization and not for every call. -

-

-④ A more subtle point is -that we defined our sleep() function (for the sake of this -example) as taking the number of seconds, but accepting fractional -seconds. Multiplying this by 1000 gets us milliseconds, but that still -leaves it a Lua number, which is a floating-point value. Alas, the -Sleep() function only accepts an integer value. Luckily for -us, the FFI library automatically performs the conversion when calling -the function (truncating the FP value towards zero, like in C). -

-

-Some readers will notice that Sleep() is part of -KERNEL32.DLL and is also a stdcall function. So how -can this possibly work? The FFI library provides the ffi.C -default C library namespace, which allows calling functions from -the default set of libraries, like a C compiler would. Also, the -FFI library automatically detects stdcall functions, so you -don't need to declare them as such. -

-

-⑤ The poll() -function takes a couple more arguments we're not going to use. You can -simply use nil to pass a NULL pointer and 0 -for the nfds parameter. Please note that the -number 0 does not convert to a pointer value, -unlike in C++. You really have to pass pointers to pointer arguments -and numbers to number arguments. -

-

-The page on FFI semantics has all -of the gory details about -conversions between Lua -objects and C types. For the most part you don't have to deal -with this, as it's performed automatically and it's carefully designed -to bridge the semantic differences between Lua and C. -

-

-⑥ Now that we have defined -our own sleep() function, we can just call it from plain Lua -code. That wasn't so bad, huh? Turning these boring animated dots into -a fascinating best-selling game is left as an exercise for the reader. -:-) -

- -

Accessing the zlib Compression Library

-

-The following code shows how to access the zlib compression library from Lua code. -We'll define two convenience wrapper functions that take a string and -compress or uncompress it to another string: -

-
- 
-①
-
-
-
-
-
-
-②
-
-
-③
-
-④
-
-
-⑤
-
-
-⑥
-
-
-
-
-
-
-
-⑦local ffi = require("ffi")
-ffi.cdef[[
-unsigned long compressBound(unsigned long sourceLen);
-int compress2(uint8_t *dest, unsigned long *destLen,
-	      const uint8_t *source, unsigned long sourceLen, int level);
-int uncompress(uint8_t *dest, unsigned long *destLen,
-	       const uint8_t *source, unsigned long sourceLen);
-]]
-local zlib = ffi.load(ffi.os == "Windows" and "zlib1" or "z")
-
-local function compress(txt)
-  local n = zlib.compressBound(#txt)
-  local buf = ffi.new("uint8_t[?]", n)
-  local buflen = ffi.new("unsigned long[1]", n)
-  local res = zlib.compress2(buf, buflen, txt, #txt, 9)
-  assert(res == 0)
-  return ffi.string(buf, buflen[0])
-end
-
-local function uncompress(comp, n)
-  local buf = ffi.new("uint8_t[?]", n)
-  local buflen = ffi.new("unsigned long[1]", n)
-  local res = zlib.uncompress(buf, buflen, comp, #comp)
-  assert(res == 0)
-  return ffi.string(buf, buflen[0])
-end
-
--- Simple test code.
-local txt = string.rep("abcd", 1000)
-print("Uncompressed size: ", #txt)
-local c = compress(txt)
-print("Compressed size: ", #c)
-local txt2 = uncompress(c, #txt)
-assert(txt2 == txt)
-
-

-Here's the step-by-step explanation: -

-

-① This defines some of the -C functions provided by zlib. For the sake of this example, some -type indirections have been reduced and it uses the pre-defined -fixed-size integer types, while still adhering to the zlib API/ABI. -

-

-② This loads the zlib shared -library. On POSIX systems it's named libz.so and usually -comes pre-installed. Since ffi.load() automatically adds any -missing standard prefixes/suffixes, we can simply load the -"z" library. On Windows it's named zlib1.dll and -you'll have to download it first from the -» zlib site. The check for -ffi.os makes sure we pass the right name to -ffi.load(). -

-

-③ First, the maximum size of -the compression buffer is obtained by calling the -zlib.compressBound function with the length of the -uncompressed string. The next line allocates a byte buffer of this -size. The [?] in the type specification indicates a -variable-length array (VLA). The actual number of elements of this -array is given as the 2nd argument to ffi.new(). -

-

-④ This may look strange at -first, but have a look at the declaration of the compress2 -function from zlib: the destination length is defined as a pointer! -This is because you pass in the maximum buffer size and get back the -actual length that was used. -

-

-In C you'd pass in the address of a local variable -(&buflen). But since there's no address-of operator in -Lua, we'll just pass in a one-element array. Conveniently it can be -initialized with the maximum buffer size in one step. Calling the -actual zlib.compress2 function is then straightforward. -

-

-⑤ We want to return the -compressed data as a Lua string, so we'll use ffi.string(). -It needs a pointer to the start of the data and the actual length. The -length has been returned in the buflen array, so we'll just -get it from there. -

-

-Note that since the function returns now, the buf and -buflen variables will eventually be garbage collected. This -is fine, because ffi.string() has copied the contents to a -newly created (interned) Lua string. If you plan to call this function -lots of times, consider reusing the buffers and/or handing back the -results in buffers instead of strings. This will reduce the overhead -for garbage collection and string interning. -

-

-⑥ The uncompress -functions does the exact opposite of the compress function. -The compressed data doesn't include the size of the original string, -so this needs to be passed in. Otherwise no surprises here. -

-

-⑦ The code, that makes use -of the functions we just defined, is just plain Lua code. It doesn't -need to know anything about the LuaJIT FFI — the convenience -wrapper functions completely hide it. -

-

-One major advantage of the LuaJIT FFI is that you are now able to -write those wrappers in Lua. And at a fraction of the time it -would cost you to create an extra C module using the Lua/C API. -Many of the simpler C functions can probably be used directly -from your Lua code, without any wrappers. -

-

-Side note: the zlib API uses the long type for passing -lengths and sizes around. But all those zlib functions actually only -deal with 32 bit values. This is an unfortunate choice for a -public API, but may be explained by zlib's history — we'll just -have to deal with it. -

-

-First, you should know that a long is a 64 bit type e.g. -on POSIX/x64 systems, but a 32 bit type on Windows/x64 and on -32 bit systems. Thus a long result can be either a plain -Lua number or a boxed 64 bit integer cdata object, depending on -the target system. -

-

-Ok, so the ffi.* functions generally accept cdata objects -wherever you'd want to use a number. That's why we get a away with -passing n to ffi.string() above. But other Lua -library functions or modules don't know how to deal with this. So for -maximum portability one needs to use tonumber() on returned -long results before passing them on. Otherwise the -application might work on some systems, but would fail in a POSIX/x64 -environment. -

- -

Defining Metamethods for a C Type

-

-The following code explains how to define metamethods for a C type. -We define a simple point type and add some operations to it: -

-
- 
-①
-
-
-
-②
-
-③
-
-④
-
-
-
-⑤
-
-⑥local ffi = require("ffi")
-ffi.cdef[[
-typedef struct { double x, y; } point_t;
-]]
-
-local point
-local mt = {
-  __add = function(a, b) return point(a.x+b.x, a.y+b.y) end,
-  __len = function(a) return math.sqrt(a.x*a.x + a.y*a.y) end,
-  __index = {
-    area = function(a) return a.x*a.x + a.y*a.y end,
-  },
-}
-point = ffi.metatype("point_t", mt)
-
-local a = point(3, 4)
-print(a.x, a.y)  --> 3  4
-print(#a)        --> 5
-print(a:area())  --> 25
-local b = a + point(0.5, 8)
-print(#b)        --> 12.5
-
-

-Here's the step-by-step explanation: -

-

-① This defines the C type for a -two-dimensional point object. -

-

-② We have to declare the variable -holding the point constructor first, because it's used inside of a -metamethod. -

-

-③ Let's define an __add -metamethod which adds the coordinates of two points and creates a new -point object. For simplicity, this function assumes that both arguments -are points. But it could be any mix of objects, if at least one operand -is of the required type (e.g. adding a point plus a number or vice -versa). Our __len metamethod returns the distance of a point to -the origin. -

-

-④ If we run out of operators, we can -define named methods, too. Here the __index table defines an -area function. For custom indexing needs, one might want to -define __index and __newindex functions instead. -

-

-⑤ This associates the metamethods with -our C type. This only needs to be done once. For convenience, a -constructor is returned by -ffi.metatype(). -We're not required to use it, though. The original C type can still -be used e.g. to create an array of points. The metamethods automatically -apply to any and all uses of this type. -

-

-Please note that the association with a metatable is permanent and -the metatable must not be modified afterwards! Ditto for the -__index table. -

-

-⑥ Here are some simple usage examples -for the point type and their expected results. The pre-defined -operations (such as a.x) can be freely mixed with the newly -defined metamethods. Note that area is a method and must be -called with the Lua syntax for methods: a:area(), not -a.area(). -

-

-The C type metamethod mechanism is most useful when used in -conjunction with C libraries that are written in an object-oriented -style. Creators return a pointer to a new instance and methods take an -instance pointer as the first argument. Sometimes you can just point -__index to the library namespace and __gc to the -destructor and you're done. But often enough you'll want to add -convenience wrappers, e.g. to return actual Lua strings or when -returning multiple values. -

-

-Some C libraries only declare instance pointers as an opaque -void * type. In this case you can use a fake type for all -declarations, e.g. a pointer to a named (incomplete) struct will do: -typedef struct foo_type *foo_handle. The C side doesn't -know what you declare with the LuaJIT FFI, but as long as the underlying -types are compatible, everything still works. -

- -

Translating C Idioms

-

-Here's a list of common C idioms and their translation to the -LuaJIT FFI: -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
IdiomC codeLua code
Pointer dereference
int *p;		x = *p;
*p = y;		x = p[0]
p[0] = y
Pointer indexing
int i, *p;		x = p[i];
p[i+1] = y;		x = p[i]
p[i+1] = y
Array indexing
int i, a[];		x = a[i];
a[i+1] = y;		x = a[i]
a[i+1] = y
struct/union dereference
struct foo s;		x = s.field;
s.field = y;		x = s.field
s.field = y
struct/union pointer deref.
struct foo *sp;		x = sp->field;
sp->field = y;		x = s.field
s.field = y
Pointer arithmetic
int i, *p;		x = p + i;
y = p - i;		x = p + i
y = p - i
Pointer difference
int *p1, *p2;		x = p1 - p2;x = p1 - p2
Array element pointer
int i, a[];		x = &a[i];x = a+i
Cast pointer to address
int *p;		x = (intptr_t)p;x = tonumber(
 ffi.cast("intptr_t",
          p))
Functions with outargs
void foo(int *inoutlen);		int len = x;
foo(&len);
y = len;		local len =
  ffi.new("int[1]", x)
foo(len)
y = len[0]
Vararg conversions
int printf(char *fmt, ...);		printf("%g", 1.0);
printf("%d", 1);
 		printf("%g", 1);
printf("%d",
  ffi.new("int", 1))
- -

To Cache or Not to Cache

-

-It's a common Lua idiom to cache library functions in local variables -or upvalues, e.g.: -

-
-local byte, char = string.byte, string.char
-local function foo(x)
-  return char(byte(x)+1)
-end
-
-

-This replaces several hash-table lookups with a (faster) direct use of -a local or an upvalue. This is less important with LuaJIT, since the -JIT compiler optimizes hash-table lookups a lot and is even able to -hoist most of them out of the inner loops. It can't eliminate -all of them, though, and it saves some typing for often-used -functions. So there's still a place for this, even with LuaJIT. -

-

-The situation is a bit different with C function calls via the -FFI library. The JIT compiler has special logic to eliminate all -of the lookup overhead for functions resolved from a -C library namespace! -Thus it's not helpful and actually counter-productive to cache -individual C functions like this: -

-
-local funca, funcb = ffi.C.funcb, ffi.C.funcb -- Not helpful!
-local function foo(x, n)
-  for i=1,n do funcb(funca(x, i), 1) end
-end
-
-

-This turns them into indirect calls and generates bigger and slower -machine code. Instead you'll want to cache the namespace itself and -rely on the JIT compiler to eliminate the lookups: -

-
-local C = ffi.C          -- Instead use this!
-local function foo(x, n)
-  for i=1,n do C.funcb(C.funca(x, i), 1) end
-end
-
-

-This generates both shorter and faster code. So don't cache -C functions, but do cache namespaces! Most often the -namespace is already in a local variable at an outer scope, e.g. from -local lib = ffi.load(...). Note that copying -it to a local variable in the function scope is unnecessary. -

-
-
- - - diff --git a/libraries/luajit-2.0/doc/ext_jit.html b/libraries/luajit-2.0/doc/ext_jit.html deleted file mode 100644 index e8f5518..0000000 --- a/libraries/luajit-2.0/doc/ext_jit.html +++ /dev/null @@ -1,195 +0,0 @@ - - - -jit.* Library - - - - - - - - -
-Lua -
- - -
-

-The functions in this built-in module control the behavior of the JIT -compiler engine. Note that JIT-compilation is fully automatic — -you probably won't need to use any of the following functions unless -you have special needs. -

- -

jit.on()
-jit.off()

-

-Turns the whole JIT compiler on (default) or off. -

-

-These functions are typically used with the command line options --j on or -j off. -

- -

jit.flush()

-

-Flushes the whole cache of compiled code. -

- -

jit.on(func|true [,true|false])
-jit.off(func|true [,true|false])
-jit.flush(func|true [,true|false])

-

-jit.on enables JIT compilation for a Lua function (this is -the default). -

-

-jit.off disables JIT compilation for a Lua function and -flushes any already compiled code from the code cache. -

-

-jit.flush flushes the code, but doesn't affect the -enable/disable status. -

-

-The current function, i.e. the Lua function calling this library -function, can also be specified by passing true as the first -argument. -

-

-If the second argument is true, JIT compilation is also -enabled, disabled or flushed recursively for all sub-functions of a -function. With false only the sub-functions are affected. -

-

-The jit.on and jit.off functions only set a flag -which is checked when the function is about to be compiled. They do -not trigger immediate compilation. -

-

-Typical usage is jit.off(true, true) in the main chunk -of a module to turn off JIT compilation for the whole module for -debugging purposes. -

- -

jit.flush(tr)

-

-Flushes the root trace, specified by its number, and all of its side -traces from the cache. The code for the trace will be retained as long -as there are any other traces which link to it. -

- -

status, ... = jit.status()

-

-Returns the current status of the JIT compiler. The first result is -either true or false if the JIT compiler is turned -on or off. The remaining results are strings for CPU-specific features -and enabled optimizations. -

- -

jit.version

-

-Contains the LuaJIT version string. -

- -

jit.version_num

-

-Contains the version number of the LuaJIT core. Version xx.yy.zz -is represented by the decimal number xxyyzz. -

- -

jit.os

-

-Contains the target OS name: -"Windows", "Linux", "OSX", "BSD", "POSIX" or "Other". -

- -

jit.arch

-

-Contains the target architecture name: -"x86", "x64" or "ppcspe". -

- -

jit.opt.* — JIT compiler optimization control

-

-This sub-module provides the backend for the -O command line -option. -

-

-You can also use it programmatically, e.g.: -

-
-jit.opt.start(2) -- same as -O2
-jit.opt.start("-dce")
-jit.opt.start("hotloop=10", "hotexit=2")
-
-

-Unlike in LuaJIT 1.x, the module is built-in and -optimization is turned on by default! -It's no longer necessary to run require("jit.opt").start(), -which was one of the ways to enable optimization. -

- -

jit.util.* — JIT compiler introspection

-

-This sub-module holds functions to introspect the bytecode, generated -traces, the IR and the generated machine code. The functionality -provided by this module is still in flux and therefore undocumented. -

-

-The debug modules -jbc, -jv and -jdump make -extensive use of these functions. Please check out their source code, -if you want to know more. -

-
-
- - - diff --git a/libraries/luajit-2.0/doc/extensions.html b/libraries/luajit-2.0/doc/extensions.html deleted file mode 100644 index b0e1164..0000000 --- a/libraries/luajit-2.0/doc/extensions.html +++ /dev/null @@ -1,336 +0,0 @@ - - - -Extensions - - - - - - - - - -
-Lua -
- - -
-

-LuaJIT is fully upwards-compatible with Lua 5.1. It supports all -» standard Lua -library functions and the full set of -» Lua/C API -functions. -

-

-LuaJIT is also fully ABI-compatible to Lua 5.1 at the linker/dynamic -loader level. This means you can compile a C module against the -standard Lua headers and load the same shared library from either Lua -or LuaJIT. -

-

-LuaJIT extends the standard Lua VM with new functionality and adds -several extension modules. Please note that this page is only about -functional enhancements and not about performance enhancements, -such as the optimized VM, the faster interpreter or the JIT compiler. -

- -

Extensions Modules

-

-LuaJIT comes with several built-in extension modules: -

- -

bit.* — Bitwise operations

-

-LuaJIT supports all bitwise operations as defined by -» Lua BitOp: -

-
-bit.tobit  bit.tohex  bit.bnot    bit.band bit.bor  bit.bxor
-bit.lshift bit.rshift bit.arshift bit.rol  bit.ror  bit.bswap
-
-

-This module is a LuaJIT built-in — you don't need to download or -install Lua BitOp. The Lua BitOp site has full documentation for all -» Lua BitOp API functions. -

-

-Please make sure to require the module before using any of -its functions: -

-
-local bit = require("bit")
-
-

-An already installed Lua BitOp module is ignored by LuaJIT. -This way you can use bit operations from both Lua and LuaJIT on a -shared installation. -

- -

ffi.* — FFI library

-

-The FFI library allows calling external -C functions and the use of C data structures from pure Lua -code. -

- -

jit.* — JIT compiler control

-

-The functions in this module -control the behavior of the JIT compiler engine. -

- -

C API extensions

-

-LuaJIT adds some -extra functions to the Lua/C API. -

- -

Enhanced Standard Library Functions

- -

xpcall(f, err [,args...]) passes arguments

-

-Unlike the standard implementation in Lua 5.1, xpcall() -passes any arguments after the error function to the function -which is called in a protected context. -

- -

loadfile() etc. handle UTF-8 source code

-

-Non-ASCII characters are handled transparently by the Lua source code parser. -This allows the use of UTF-8 characters in identifiers and strings. -A UTF-8 BOM is skipped at the start of the source code. -

- -

tostring() etc. canonicalize NaN and ±Inf

-

-All number-to-string conversions consistently convert non-finite numbers -to the same strings on all platforms. NaN results in "nan", -positive infinity results in "inf" and negative infinity results -in "-inf". -

- -

string.dump(f [,strip]) generates portable bytecode

-

-An extra argument has been added to string.dump(). If set to -true, 'stripped' bytecode without debug information is -generated. This speeds up later bytecode loading and reduces memory -usage. See also the --b command line option. -

-

-The generated bytecode is portable and can be loaded on any architecture -that LuaJIT supports, independent of word size or endianess. However the -bytecode compatibility versions must match. Bytecode stays compatible -for dot releases (x.y.0 → x.y.1), but may change with major or -minor releases (2.0 → 2.1) or between any beta release. Foreign -bytecode (e.g. from Lua 5.1) is incompatible and cannot be loaded. -

- -

Enhanced PRNG for math.random()

-

-LuaJIT uses a Tausworthe PRNG with period 2^223 to implement -math.random() and math.randomseed(). The quality of -the PRNG results is much superior compared to the standard Lua -implementation which uses the platform-specific ANSI rand(). -

-

-The PRNG generates the same sequences from the same seeds on all -platforms and makes use of all bits in the seed argument. -math.random() without arguments generates 52 pseudo-random bits -for every call. The result is uniformly distributed between 0 and 1. -It's correctly scaled up and rounded for math.random(n [,m]) to -preserve uniformity. -

- -

io.* functions handle 64 bit file offsets

-

-The file I/O functions in the standard io.* library handle -64 bit file offsets. In particular this means it's possible -to open files larger than 2 Gigabytes and to reposition or obtain -the current file position for offsets beyond 2 GB -(fp:seek() method). -

- -

debug.* functions identify metamethods

-

-debug.getinfo() and lua_getinfo() also return information -about invoked metamethods. The namewhat field is set to -"metamethod" and the name field has the name of -the corresponding metamethod (e.g. "__index"). -

- -

Fully Resumable VM

-

-The LuaJIT 2.x VM is fully resumable. This means you can yield from a -coroutine even across contexts, where this would not possible with -the standard Lua 5.1 VM: e.g. you can yield across pcall() -and xpcall(), across iterators and across metamethods. -

-

-Note however that LuaJIT 2.x doesn't use -» Coco anymore. This means the -overhead for creating coroutines is much smaller and no extra -C stacks need to be allocated. OTOH you can no longer yield -across arbitrary C functions. Keep this in mind when -upgrading from LuaJIT 1.x. -

- -

C++ Exception Interoperability

-

-LuaJIT has built-in support for interoperating with C++ exceptions. -The available range of features depends on the target platform and -the toolchain used to compile LuaJIT: -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
PlatformCompilerInteroperability
POSIX/x64, DWARF2 unwindingGCC 4.3+Full
Other platforms, DWARF2 unwindingGCCLimited
Windows/x64MSVC or WinSDKFull
Windows/x86AnyNo
Other platformsOther compilersNo
-

-Full interoperability means: -

- -

-Limited interoperability means: -

- - -

-No interoperability means: -

- -
-
- - - diff --git a/libraries/luajit-2.0/doc/faq.html b/libraries/luajit-2.0/doc/faq.html deleted file mode 100644 index b28a72c..0000000 --- a/libraries/luajit-2.0/doc/faq.html +++ /dev/null @@ -1,180 +0,0 @@ - - - -Frequently Asked Questions (FAQ) - - - - - - - - - -
-Lua -
- - -
-
-
Q: Where can I learn more about Lua and LuaJIT?
-
- -
- -
-
Q: Where can I learn more about the compiler technology used by LuaJIT?
-
-I'm planning to write more documentation about the internals of LuaJIT. -In the meantime, please use the following Google Scholar searches -to find relevant papers:
-Search for: » Trace Compiler
-Search for: » JIT Compiler
-Search for: » Dynamic Language Optimizations
-Search for: » SSA Form
-Search for: » Linear Scan Register Allocation
-Here is a list of the » innovative features in LuaJIT.
-And, you know, reading the source is of course the only way to enlightenment. :-) -
-
- -
-
Q: Why do I get this error: "attempt to index global 'arg' (a nil value)"?
-Q: My vararg functions fail after switching to LuaJIT!
-
LuaJIT is compatible to the Lua 5.1 language standard. It doesn't -support the implicit arg parameter for old-style vararg -functions from Lua 5.0.
Please convert your code to the -» Lua 5.1 -vararg syntax.
-
- -
-
Q: Why do I get this error: "bad FPU precision"?
-
Q: I get weird behavior after initializing Direct3D.
-
Q: Some FPU operations crash after I load a Delphi DLL.
-
-
- -DirectX/Direct3D (up to version 9) sets the x87 FPU to single-precision -mode by default. This violates the Windows ABI and interferes with the -operation of many programs — LuaJIT is affected, too. Please make -sure you always use the D3DCREATE_FPU_PRESERVE flag when -initializing Direct3D.
- -Direct3D version 10 or higher do not show this behavior anymore. -Consider testing your application with older versions, too.
- -Similarly, the Borland/Delphi runtime modifies the FPU control word and -enables FP exceptions. Of course this violates the Windows ABI, too. -Please check the Delphi docs for the Set8087CW method. - -
- -
-
Q: Sometimes Ctrl-C fails to stop my Lua program. Why?
-
The interrupt signal handler sets a Lua debug hook. But this is -currently ignored by compiled code (this will eventually be fixed). If -your program is running in a tight loop and never falls back to the -interpreter, the debug hook never runs and can't throw the -"interrupted!" error.
In the meantime you have to press Ctrl-C -twice to get stop your program. That's similar to when it's stuck -running inside a C function under the Lua interpreter.
-
- -
-
Q: Why doesn't my favorite power-patch for Lua apply against LuaJIT?
-
Because it's a completely redesigned VM and has very little code -in common with Lua anymore. Also, if the patch introduces changes to -the Lua semantics, these would need to be reflected everywhere in the -VM, from the interpreter up to all stages of the compiler.
Please -use only standard Lua language constructs. For many common needs you -can use source transformations or use wrapper or proxy functions. -The compiler will happily optimize away such indirections.
-
- -
-
Q: Lua runs everywhere. Why doesn't LuaJIT support my CPU?
-
Because it's a compiler — it needs to generate native -machine code. This means the code generator must be ported to each -architecture. And the fast interpreter is written in assembler and -must be ported, too. This is quite an undertaking.
-The install documentation shows the supported -architectures. Other architectures will follow based on sufficient user -demand and/or sponsoring.
-
- -
-
Q: When will feature X be added? When will the next version be released?
-
When it's ready.
-C'mon, it's open source — I'm doing it on my own time and you're -getting it for free. You can either contribute a patch or sponsor -the development of certain features, if they are important to you. -
-
-
-
- - - diff --git a/libraries/luajit-2.0/doc/img/contact.png b/libraries/luajit-2.0/doc/img/contact.png deleted file mode 100644 index 9c73dc5..0000000 Binary files a/libraries/luajit-2.0/doc/img/contact.png and /dev/null differ diff --git a/libraries/luajit-2.0/doc/install.html b/libraries/luajit-2.0/doc/install.html deleted file mode 100644 index 07c55fa..0000000 --- a/libraries/luajit-2.0/doc/install.html +++ /dev/null @@ -1,543 +0,0 @@ - - - -Installation - - - - - - - - - -
-Lua -
- - -
-

-LuaJIT is only distributed as a source package. This page explains -how to build and install LuaJIT with different operating systems -and C compilers. -

-

-For the impatient (on POSIX systems): -

-
-make && sudo make install
-
-

-LuaJIT currently builds out-of-the box on most systems. -Here's the compatibility matrix for the supported combinations of -operating systems, CPUs and compilers: -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
CPU / OSLinux or
Android		*BSD, OtherOSX 10.3+ or
iOS 3.0+		Windows
XP/Vista/7
x86 (32 bit)GCC 4.x
GCC 3.4		GCC 4.x
GCC 3.4		GCC 4.x
GCC 3.4		MSVC, MSVC/EE
WinSDK
MinGW, Cygwin
x64 (64 bit)GCC 4.x GCC 4.xMSVC + SDK v7.0
WinSDK v7.0
ARMv5+
ARM9E+		GCC 4.2+GCC 4.2+GCC 4.2+ 
PPCGCC 4.3+GCC 4.3+  
PPC/e500v2GCC 4.3+GCC 4.3+  
- -

Configuring LuaJIT

-

-The standard configuration should work fine for most installations. -Usually there is no need to tweak the settings. The following files -hold all user-configurable settings: -

- -

-Please read the instructions given in these files, before changing -any settings. -

- -

POSIX Systems (Linux, OSX, *BSD etc.)

-

Prerequisites

-

-Depending on your distribution, you may need to install a package for -GCC, the development headers and/or a complete SDK. E.g. on a current -Debian/Ubuntu, install libc6-dev with the package manager. -

-

-Download the current source package of LuaJIT (pick the .tar.gz), -if you haven't already done so. Move it to a directory of your choice, -open a terminal window and change to this directory. Now unpack the archive -and change to the newly created directory: -

-
-tar zxf LuaJIT-2.0.0-beta9.tar.gz
-cd LuaJIT-2.0.0-beta9
-

Building LuaJIT

-

-The supplied Makefiles try to auto-detect the settings needed for your -operating system and your compiler. They need to be run with GNU Make, -which is probably the default on your system, anyway. Simply run: -

-
-make
-
-

-This always builds a native x86, x64 or PPC binary, depending on the host OS -you're running this command on. Check the section on -cross-compilation for more options. -

-

-By default, modules are only searched under the prefix /usr/local. -You can add an extra prefix to the search paths by appending the -PREFIX option, e.g.: -

-
-make PREFIX=/home/myself/lj2
-
-

-Note for OSX: MACOSX_DEPLOYMENT_TARGET is set to 10.4 -in src/Makefile. Change it, if you want to build on an older version. -

-

Installing LuaJIT

-

-The top-level Makefile installs LuaJIT by default under -/usr/local, i.e. the executable ends up in -/usr/local/bin and so on. You need root privileges -to write to this path. So, assuming sudo is installed on your system, -run the following command and enter your sudo password: -

-
-sudo make install
-
-

-Otherwise specify the directory prefix as an absolute path, e.g.: -

-
-make install PREFIX=/home/myself/lj2
-
-

-Obviously the prefixes given during build and installation need to be the same. -

-

-Note: to avoid overwriting a previous version, the beta test releases -only install the LuaJIT executable under the versioned name (i.e. -luajit-2.0.0-beta9). You probably want to create a symlink -for convenience, with a command like this: -

-
-sudo ln -sf luajit-2.0.0-beta9 /usr/local/bin/luajit
-
- -

Windows Systems

-

Prerequisites

-

-Either install one of the open source SDKs -(» MinGW or -» Cygwin), which come with a modified -GCC plus the required development headers. -

-

-Or install Microsoft's Visual C++ (MSVC). The freely downloadable -» Express Edition -works just fine, but only contains an x86 compiler. -

-

-The freely downloadable -» Windows SDK -only comes with command line tools, but this is all you need to build LuaJIT. -It contains x86 and x64 compilers. -

-

-Next, download the source package and unpack it using an archive manager -(e.g. the Windows Explorer) to a directory of your choice. -

-

Building with MSVC

-

-Open a "Visual Studio .NET Command Prompt", cd to the -directory where you've unpacked the sources and run these commands: -

-
-cd src
-msvcbuild
-
-

-Then follow the installation instructions below. -

-

Building with the Windows SDK

-

-Open a "Windows SDK Command Shell" and select the x86 compiler: -

-
-setenv /release /x86
-
-

-Or select the x64 compiler: -

-
-setenv /release /x64
-
-

-Then cd to the directory where you've unpacked the sources -and run these commands: -

-
-cd src
-msvcbuild
-
-

-Then follow the installation instructions below. -

-

Building with MinGW or Cygwin

-

-Open a command prompt window and make sure the MinGW or Cygwin programs -are in your path. Then cd to the directory where -you've unpacked the sources and run this command for MinGW: -

-
-mingw32-make
-
-

-Or this command for Cygwin: -

-
-make
-
-

-Then follow the installation instructions below. -

-

Installing LuaJIT

-

-Copy luajit.exe and lua51.dll (built in the src -directory) to a newly created directory (any location is ok). -Add lua and lua\jit directories below it and copy -all Lua files from the lib directory of the distribution -to the latter directory. -

-

-There are no hardcoded -absolute path names — all modules are loaded relative to the -directory where luajit.exe is installed -(see src/luaconf.h). -

- -

Cross-compiling LuaJIT

-

-The build system has limited support for cross-compilation. For details -check the comments in src/Makefile. Here are some popular examples: -

-

-You can cross-compile to a 32 bit binary on a multilib x64 OS by -installing the multilib development packages (e.g. libc6-dev-i386 -on Debian/Ubuntu) and running: -

-
-make CC="gcc -m32"
-
-

-You can cross-compile for a Windows target on Debian/Ubuntu by -installing the mingw32 package and running: -

-
-make HOST_CC="gcc -m32" CROSS=i586-mingw32msvc- TARGET_SYS=Windows
-
-

-You can cross-compile for an ARM target on an x86 or x64 host -system using a standard GNU cross-compile toolchain (Binutils, GCC, -EGLIBC). The CROSS prefix may vary depending on the ---target of the toolchain: -

-
-make HOST_CC="gcc -m32" CROSS=arm-linux-gnueabi-
-
-

-You can cross-compile for Android (ARM) using the » Android NDK. -The environment variables need to match the install locations and the -desired target platform. E.g. Android 2.2 corresponds to ABI level 8: -

-
-NDK=/opt/android/ndk
-NDKABI=8
-NDKVER=$NDK/toolchains/arm-linux-androideabi-4.4.3
-NDKP=$NDKVER/prebuilt/linux-x86/bin/arm-linux-androideabi-
-NDKF="--sysroot $NDK/platforms/android-$NDKABI/arch-arm"
-make HOST_CC="gcc -m32" CROSS=$NDKP TARGET_FLAGS="$NDKF"
-
-

-You can cross-compile for iOS 3.0+ (iPhone/iPad) using the » iOS SDK. -The environment variables need to match the iOS SDK version: -

-

-Note: the JIT compiler is disabled for iOS, because regular iOS Apps -are not allowed to generate code at runtime. You'll only get the performance -of the LuaJIT interpreter on iOS. This is still faster than plain Lua, but -much slower than the JIT compiler. Please complain to Apple, not me. -Or use Android. :-p -

-
-ISDK=/Developer/Platforms/iPhoneOS.platform/Developer
-ISDKVER=iPhoneOS4.3.sdk
-ISDKP=$ISDK/usr/bin/
-ISDKF="-arch armv6 -isysroot $ISDK/SDKs/$ISDKVER"
-make HOST_CC="gcc -m32 -arch i386" CROSS=$ISDKP TARGET_FLAGS="$ISDKF" \
-     TARGET_SYS=iOS
-
-

-You can cross-compile for a PPC target or a -PPC/e500v2 target on x86 or x64 host systems using a standard -GNU cross-compile toolchain (Binutils, GCC, EGLIBC). -The CROSS prefix may vary depending on the --target -of the toolchain: -

-
-# PPC
-make HOST_CC="gcc -m32" CROSS=powerpc-linux-gnu-
-
-
-# PPC/e500v2
-make HOST_CC="gcc -m32" CROSS=powerpc-e500v2-linux-gnuspe-
-
-

-Whenever the host OS and the target OS differ, you need to specify -TARGET_SYS or you'll get assembler or linker errors. E.g. if -you're compiling on a Windows or OSX host for embedded Linux or Android, -you need to add TARGET_SYS=Linux to the examples above. For a -minimal target OS, you may need to disable the built-in allocator in -src/Makefile and use TARGET_SYS=Other. -

- -

Embedding LuaJIT

-

-LuaJIT is API-compatible with Lua 5.1. If you've already embedded Lua -into your application, you probably don't need to do anything to switch -to LuaJIT, except link with a different library: -

- -

Additional hints for initializing LuaJIT using the C API functions:

- - -

Hints for Distribution Maintainers

-

-The LuaJIT build system has extra provisions for the needs of most -POSIX-based distributions. If you're a package maintainer for -a distribution, please make use of these features and -avoid patching, subverting, autotoolizing or messing up the build system -in unspeakable ways. -

-

-There should be absolutely no need to patch luaconf.h or any -of the Makefiles. And please do not hand-pick files for your packages — -simply use whatever make install creates. There's a reason -for all of the files and directories it creates. -

-

-The build system uses GNU make and auto-detects most settings based on -the host you're building it on. This should work fine for native builds, -even when sandboxed. You may need to pass some of the following flags to -both the make and the make install command lines -for a regular distribution build: -

- -

-The build system has a special target for an amalgamated build, i.e. -make amalg. This compiles the LuaJIT core as one huge C file -and allows GCC to generate faster and shorter code. Alas, this requires -lots of memory during the build. This may be a problem for some users, -that's why it's not enabled by default. But it shouldn't be a problem for -most build farms. It's recommended that binary distributions use this -target for their LuaJIT builds. -

-

-The tl;dr version of the above: -

-
-make amalg PREFIX=/usr && \
-make install PREFIX=/usr DESTDIR=/tmp/buildroot
-
-

-Finally, if you encounter any difficulties, please -contact me first, instead of releasing a broken -package onto unsuspecting users. Because they'll usually gonna complain -to me (the upstream) and not you (the package maintainer), anyway. -

-
-
- - - diff --git a/libraries/luajit-2.0/doc/luajit.html b/libraries/luajit-2.0/doc/luajit.html deleted file mode 100644 index 9725f5c..0000000 --- a/libraries/luajit-2.0/doc/luajit.html +++ /dev/null @@ -1,142 +0,0 @@ - - - -LuaJIT - - - - - - - - - -
-Lua -
- - -
-

-LuaJIT is a Just-In-Time Compiler for the Lua* -programming language. -

-

-LuaJIT is Copyright © 2005-2011 Mike Pall. -LuaJIT is open source software, released under the -» MIT license. -

-

-* Lua is a powerful, dynamic and light-weight programming language -designed for extending applications. Lua is also frequently used as a -general-purpose, stand-alone language. More information about -Lua can be found at: » http://www.lua.org/ -

-

Compatibility

-

-LuaJIT implements the full set of language features defined by Lua 5.1. -The virtual machine (VM) is API- and ABI-compatible to the -standard Lua interpreter and can be deployed as a drop-in replacement. -

-

-LuaJIT offers more performance, at the expense of portability. It -currently runs on all popular operating systems based on -x86 or x64 CPUs (Linux, Windows, OSX etc.) or embedded -systems based on ARM (Android, iOS) or PPC CPUs. -Other platforms will be supported in the future, based on user demand -and sponsoring. -

- -

Overview

-

-LuaJIT has been successfully used as a scripting middleware in -games, 3D modellers, numerical simulations, trading platforms and many -other specialty applications. It combines high flexibility with high -performance and an unmatched low memory footprint: less than -125K for the VM plus less than 85K for the JIT compiler (on x86). -

-

-LuaJIT has been in continuous development since 2005. It's widely -considered to be one of the fastest dynamic language -implementations. It has outperformed other dynamic languages on many -cross-language benchmarks since its first release — often by a -substantial margin. In 2009 other dynamic language VMs started to catch up -with the performance of LuaJIT 1.x. Well, I couldn't let that slide. ;-) -

-

-2009 also marks the first release of the long-awaited LuaJIT 2.0. -The whole VM has been rewritten from the ground up and relentlessly -optimized for performance. It combines a high-speed interpreter, -written in assembler, with a state-of-the-art JIT compiler. -

-

-An innovative trace compiler is integrated with advanced, -SSA-based optimizations and a highly tuned code generation backend. This -allows a substantial reduction of the overhead associated with dynamic -language features. -

-

-It's destined to break into the » performance -range traditionally reserved for offline, static language compilers. -

- -

More ...

-

-Click on the LuaJIT sub-topics in the navigation bar to learn more -about LuaJIT. -

-

-Click on the Logo in the upper left corner to visit -the LuaJIT project page on the web. All other links to online -resources are marked with a '»'. -

-
-
- - - diff --git a/libraries/luajit-2.0/doc/running.html b/libraries/luajit-2.0/doc/running.html deleted file mode 100644 index e2afdee..0000000 --- a/libraries/luajit-2.0/doc/running.html +++ /dev/null @@ -1,313 +0,0 @@ - - - -Running LuaJIT - - - - - - - - - -
-Lua -
- - -
-

-LuaJIT has only a single stand-alone executable, called luajit on -POSIX systems or luajit.exe on Windows. It can be used to run simple -Lua statements or whole Lua applications from the command line. It has an -interactive mode, too. -

-

-Note: the beta test releases only install under the versioned name on -POSIX systems (to avoid overwriting a previous version). You either need -to type luajit-2.0.0-beta9 to start it or create a symlink -with a command like this: -

-
-sudo ln -sf luajit-2.0.0-beta9 /usr/local/bin/luajit
-
-

-Unlike previous versions optimization is turned on by default in -LuaJIT 2.0!
It's no longer necessary to use luajit -O. -

- -

Command Line Options

-

-The luajit stand-alone executable is just a slightly modified -version of the regular lua stand-alone executable. -It supports the same basic options, too. luajit -h -prints a short list of the available options. Please have a look at the -» Lua manual -for details. -

-

-LuaJIT has some additional options: -

- -

-b[options] input output

-

-This option saves or lists bytecode. The following additional options -are accepted: -

- -

-The output file type is auto-detected from the extension of the output -file name: -

- -

-Notes: -

- -

-Typical usage examples: -

-
-luajit -b test.lua test.out                 # Save bytecode to test.out
-luajit -bg test.lua test.out                # Keep debug info
-luajit -be "print('hello world')" test.out  # Save cmdline script
-
-luajit -bl test.lua                         # List to stdout
-luajit -bl test.lua test.txt                # List to test.txt
-luajit -ble "print('hello world')"          # List cmdline script
-
-luajit -b test.lua test.obj                 # Generate object file
-# Link test.obj with your application and load it with require("test")
-
- -

-j cmd[=arg[,arg...]]

-

-This option performs a LuaJIT control command or activates one of the -loadable extension modules. The command is first looked up in the -jit.* library. If no matching function is found, a module -named jit.<cmd> is loaded and the start() -function of the module is called with the specified arguments (if -any). The space between -j and cmd is optional. -

-

-Here are the available LuaJIT control commands: -

- -

-The -jv and -jdump commands are extension modules -written in Lua. They are mainly used for debugging the JIT compiler -itself. For a description of their options and output format, please -read the comment block at the start of their source. -They can be found in the lib directory of the source -distribution or installed under the jit directory. By default -this is /usr/local/share/luajit-2.0.0-beta9/jit on POSIX -systems. -

- -

-O[level]
--O[+]flag   -O-flag
--Oparam=value

-

-This options allows fine-tuned control of the optimizations used by -the JIT compiler. This is mainly intended for debugging LuaJIT itself. -Please note that the JIT compiler is extremely fast (we are talking -about the microsecond to millisecond range). Disabling optimizations -doesn't have any visible impact on its overhead, but usually generates -code that runs slower. -

-

-The first form sets an optimization level — this enables a -specific mix of optimization flags. -O0 turns off all -optimizations and higher numbers enable more optimizations. Omitting -the level (i.e. just -O) sets the default optimization level, -which is -O3 in the current version. -

-

-The second form adds or removes individual optimization flags. -The third form sets a parameter for the VM or the JIT compiler -to a specific value. -

-

-You can either use this option multiple times (like -Ocse --O-dce -Ohotloop=10) or separate several settings with a comma -(like -O+cse,-dce,hotloop=10). The settings are applied from -left to right and later settings override earlier ones. You can freely -mix the three forms, but note that setting an optimization level -overrides all earlier flags. -

-

-Here are the available flags and at what optimization levels they -are enabled: -

- - - - - - - - - - - - - - - - - - - - - - - - - - -
Flag-O1-O2-O3 
fold•••Constant Folding, Simplifications and Reassociation
cse•••Common-Subexpression Elimination
dce•••Dead-Code Elimination
narrow ••Narrowing of numbers to integers
loop ••Loop Optimizations (code hoisting)
fwd  •Load Forwarding (L2L) and Store Forwarding (S2L)
dse  •Dead-Store Elimination
abc  •Array Bounds Check Elimination
fuse  •Fusion of operands into instructions
-

-Here are the parameters and their default settings: -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ParameterDefault 
maxtrace1000Max. number of traces in the cache
maxrecord4000Max. number of recorded IR instructions
maxirconst500Max. number of IR constants of a trace
maxside100Max. number of side traces of a root trace
maxsnap500Max. number of snapshots for a trace
hotloop56Number of iterations to detect a hot loop or hot call
hotexit10Number of taken exits to start a side trace
tryside4Number of attempts to compile a side trace
instunroll4Max. unroll factor for instable loops
loopunroll15Max. unroll factor for loop ops in side traces
callunroll3Max. unroll factor for pseudo-recursive calls
recunroll2Min. unroll factor for true recursion
sizemcode32Size of each machine code area in KBytes (Windows: 64K)
maxmcode512Max. total size of all machine code areas in KBytes
-
-
- - - diff --git a/libraries/luajit-2.0/doc/status.html b/libraries/luajit-2.0/doc/status.html deleted file mode 100644 index d9cffe0..0000000 --- a/libraries/luajit-2.0/doc/status.html +++ /dev/null @@ -1,240 +0,0 @@ - - - -Status & Roadmap - - - - - - - - - -
-Lua -
- - -
-

-The LuaJIT 1.x series represents -the current stable branch. -Only a single bug has been discovered in the last two years. So, if -you need a rock-solid VM, you are encouraged to fetch the latest -release of LuaJIT 1.x from the » Download -page. -

-

-LuaJIT 2.0 is the currently active -development branch. -It has Beta Test status and is still undergoing -substantial changes. -It has » much better performance than LuaJIT 1.x. -It's maturing quickly, so you should definitely -start to evaluate it for new projects right now. -

- -

Current Status

-

-This is a list of the things you should know about the LuaJIT 2.0 beta test: -

- - -

Roadmap

-

-Please refer to the -» LuaJIT -Roadmap 2011 for the latest release plan. Here's the general -project plan for LuaJIT 2.0: -

- -
-
- - - diff --git a/libraries/luajit-2.0/dynasm/dasm_arm.h b/libraries/luajit-2.0/dynasm/dasm_arm.h deleted file mode 100644 index 43d2963..0000000 --- a/libraries/luajit-2.0/dynasm/dasm_arm.h +++ /dev/null @@ -1,448 +0,0 @@ -/* -** DynASM ARM encoding engine. -** Copyright (C) 2005-2011 Mike Pall. All rights reserved. -** Released under the MIT license. See dynasm.lua for full copyright notice. -*/ - -#include -#include -#include -#include - -#define DASM_ARCH "arm" - -#ifndef DASM_EXTERN -#define DASM_EXTERN(a,b,c,d) 0 -#endif - -/* Action definitions. */ -enum { - DASM_STOP, DASM_SECTION, DASM_ESC, DASM_REL_EXT, - /* The following actions need a buffer position. */ - DASM_ALIGN, DASM_REL_LG, DASM_LABEL_LG, - /* The following actions also have an argument. */ - DASM_REL_PC, DASM_LABEL_PC, - DASM_IMM, DASM_IMM12, DASM_IMM16, DASM_IMML8, DASM_IMML12, - DASM__MAX -}; - -/* Maximum number of section buffer positions for a single dasm_put() call. */ -#define DASM_MAXSECPOS 25 - -/* DynASM encoder status codes. Action list offset or number are or'ed in. */ -#define DASM_S_OK 0x00000000 -#define DASM_S_NOMEM 0x01000000 -#define DASM_S_PHASE 0x02000000 -#define DASM_S_MATCH_SEC 0x03000000 -#define DASM_S_RANGE_I 0x11000000 -#define DASM_S_RANGE_SEC 0x12000000 -#define DASM_S_RANGE_LG 0x13000000 -#define DASM_S_RANGE_PC 0x14000000 -#define DASM_S_RANGE_REL 0x15000000 -#define DASM_S_UNDEF_LG 0x21000000 -#define DASM_S_UNDEF_PC 0x22000000 - -/* Macros to convert positions (8 bit section + 24 bit index). */ -#define DASM_POS2IDX(pos) ((pos)&0x00ffffff) -#define DASM_POS2BIAS(pos) ((pos)&0xff000000) -#define DASM_SEC2POS(sec) ((sec)<<24) -#define DASM_POS2SEC(pos) ((pos)>>24) -#define DASM_POS2PTR(D, pos) (D->sections[DASM_POS2SEC(pos)].rbuf + (pos)) - -/* Action list type. */ -typedef const unsigned int *dasm_ActList; - -/* Per-section structure. */ -typedef struct dasm_Section { - int *rbuf; /* Biased buffer pointer (negative section bias). */ - int *buf; /* True buffer pointer. */ - size_t bsize; /* Buffer size in bytes. */ - int pos; /* Biased buffer position. */ - int epos; /* End of biased buffer position - max single put. */ - int ofs; /* Byte offset into section. */ -} dasm_Section; - -/* Core structure holding the DynASM encoding state. */ -struct dasm_State { - size_t psize; /* Allocated size of this structure. */ - dasm_ActList actionlist; /* Current actionlist pointer. */ - int *lglabels; /* Local/global chain/pos ptrs. */ - size_t lgsize; - int *pclabels; /* PC label chains/pos ptrs. */ - size_t pcsize; - void **globals; /* Array of globals (bias -10). */ - dasm_Section *section; /* Pointer to active section. */ - size_t codesize; /* Total size of all code sections. */ - int maxsection; /* 0 <= sectionidx < maxsection. */ - int status; /* Status code. */ - dasm_Section sections[1]; /* All sections. Alloc-extended. */ -}; - -/* The size of the core structure depends on the max. number of sections. */ -#define DASM_PSZ(ms) (sizeof(dasm_State)+(ms-1)*sizeof(dasm_Section)) - - -/* Initialize DynASM state. */ -void dasm_init(Dst_DECL, int maxsection) -{ - dasm_State *D; - size_t psz = 0; - int i; - Dst_REF = NULL; - DASM_M_GROW(Dst, struct dasm_State, Dst_REF, psz, DASM_PSZ(maxsection)); - D = Dst_REF; - D->psize = psz; - D->lglabels = NULL; - D->lgsize = 0; - D->pclabels = NULL; - D->pcsize = 0; - D->globals = NULL; - D->maxsection = maxsection; - for (i = 0; i < maxsection; i++) { - D->sections[i].buf = NULL; /* Need this for pass3. */ - D->sections[i].rbuf = D->sections[i].buf - DASM_SEC2POS(i); - D->sections[i].bsize = 0; - D->sections[i].epos = 0; /* Wrong, but is recalculated after resize. */ - } -} - -/* Free DynASM state. */ -void dasm_free(Dst_DECL) -{ - dasm_State *D = Dst_REF; - int i; - for (i = 0; i < D->maxsection; i++) - if (D->sections[i].buf) - DASM_M_FREE(Dst, D->sections[i].buf, D->sections[i].bsize); - if (D->pclabels) DASM_M_FREE(Dst, D->pclabels, D->pcsize); - if (D->lglabels) DASM_M_FREE(Dst, D->lglabels, D->lgsize); - DASM_M_FREE(Dst, D, D->psize); -} - -/* Setup global label array. Must be called before dasm_setup(). */ -void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl) -{ - dasm_State *D = Dst_REF; - D->globals = gl - 10; /* Negative bias to compensate for locals. */ - DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int)); -} - -/* Grow PC label array. Can be called after dasm_setup(), too. */ -void dasm_growpc(Dst_DECL, unsigned int maxpc) -{ - dasm_State *D = Dst_REF; - size_t osz = D->pcsize; - DASM_M_GROW(Dst, int, D->pclabels, D->pcsize, maxpc*sizeof(int)); - memset((void *)(((unsigned char *)D->pclabels)+osz), 0, D->pcsize-osz); -} - -/* Setup encoder. */ -void dasm_setup(Dst_DECL, const void *actionlist) -{ - dasm_State *D = Dst_REF; - int i; - D->actionlist = (dasm_ActList)actionlist; - D->status = DASM_S_OK; - D->section = &D->sections[0]; - memset((void *)D->lglabels, 0, D->lgsize); - if (D->pclabels) memset((void *)D->pclabels, 0, D->pcsize); - for (i = 0; i < D->maxsection; i++) { - D->sections[i].pos = DASM_SEC2POS(i); - D->sections[i].ofs = 0; - } -} - - -#ifdef DASM_CHECKS -#define CK(x, st) \ - do { if (!(x)) { \ - D->status = DASM_S_##st|(p-D->actionlist-1); return; } } while (0) -#define CKPL(kind, st) \ - do { if ((size_t)((char *)pl-(char *)D->kind##labels) >= D->kind##size) { \ - D->status = DASM_S_RANGE_##st|(p-D->actionlist-1); return; } } while (0) -#else -#define CK(x, st) ((void)0) -#define CKPL(kind, st) ((void)0) -#endif - -static int dasm_imm12(unsigned int n) -{ - int i; - for (i = 0; i < 16; i++, n = (n << 2) | (n >> 30)) - if (n <= 255) return (int)(n + (i << 8)); - return -1; -} - -/* Pass 1: Store actions and args, link branches/labels, estimate offsets. */ -void dasm_put(Dst_DECL, int start, ...) -{ - va_list ap; - dasm_State *D = Dst_REF; - dasm_ActList p = D->actionlist + start; - dasm_Section *sec = D->section; - int pos = sec->pos, ofs = sec->ofs; - int *b; - - if (pos >= sec->epos) { - DASM_M_GROW(Dst, int, sec->buf, sec->bsize, - sec->bsize + 2*DASM_MAXSECPOS*sizeof(int)); - sec->rbuf = sec->buf - DASM_POS2BIAS(pos); - sec->epos = (int)sec->bsize/sizeof(int) - DASM_MAXSECPOS+DASM_POS2BIAS(pos); - } - - b = sec->rbuf; - b[pos++] = start; - - va_start(ap, start); - while (1) { - unsigned int ins = *p++; - unsigned int action = (ins >> 16); - if (action >= DASM__MAX) { - ofs += 4; - } else { - int *pl, n = action >= DASM_REL_PC ? va_arg(ap, int) : 0; - switch (action) { - case DASM_STOP: goto stop; - case DASM_SECTION: - n = (ins & 255); CK(n < D->maxsection, RANGE_SEC); - D->section = &D->sections[n]; goto stop; - case DASM_ESC: p++; ofs += 4; break; - case DASM_REL_EXT: break; - case DASM_ALIGN: ofs += (ins & 255); b[pos++] = ofs; break; - case DASM_REL_LG: - n = (ins & 2047) - 10; pl = D->lglabels + n; - if (n >= 0) { CKPL(lg, LG); goto putrel; } /* Bkwd rel or global. */ - pl += 10; n = *pl; - if (n < 0) n = 0; /* Start new chain for fwd rel if label exists. */ - goto linkrel; - case DASM_REL_PC: - pl = D->pclabels + n; CKPL(pc, PC); - putrel: - n = *pl; - if (n < 0) { /* Label exists. Get label pos and store it. */ - b[pos] = -n; - } else { - linkrel: - b[pos] = n; /* Else link to rel chain, anchored at label. */ - *pl = pos; - } - pos++; - break; - case DASM_LABEL_LG: - pl = D->lglabels + (ins & 2047) - 10; CKPL(lg, LG); goto putlabel; - case DASM_LABEL_PC: - pl = D->pclabels + n; CKPL(pc, PC); - putlabel: - n = *pl; /* n > 0: Collapse rel chain and replace with label pos. */ - while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = pos; - } - *pl = -pos; /* Label exists now. */ - b[pos++] = ofs; /* Store pass1 offset estimate. */ - break; - case DASM_IMM: - case DASM_IMM16: -#ifdef DASM_CHECKS - CK((n & ((1<<((ins>>10)&31))-1)) == 0, RANGE_I); - if ((ins & 0x8000)) - CK(((n + (1<<(((ins>>5)&31)-1)))>>((ins>>5)&31)) == 0, RANGE_I); - else - CK((n>>((ins>>5)&31)) == 0, RANGE_I); -#endif - b[pos++] = n; - break; - case DASM_IMML8: - case DASM_IMML12: - CK(n >= 0 ? ((n>>((ins>>5)&31)) == 0) : - (((-n)>>((ins>>5)&31)) == 0), RANGE_I); - b[pos++] = n; - break; - case DASM_IMM12: - CK(dasm_imm12((unsigned int)n) != -1, RANGE_I); - b[pos++] = n; - break; - } - } - } -stop: - va_end(ap); - sec->pos = pos; - sec->ofs = ofs; -} -#undef CK - -/* Pass 2: Link sections, shrink aligns, fix label offsets. */ -int dasm_link(Dst_DECL, size_t *szp) -{ - dasm_State *D = Dst_REF; - int secnum; - int ofs = 0; - -#ifdef DASM_CHECKS - *szp = 0; - if (D->status != DASM_S_OK) return D->status; - { - int pc; - for (pc = 0; pc*sizeof(int) < D->pcsize; pc++) - if (D->pclabels[pc] > 0) return DASM_S_UNDEF_PC|pc; - } -#endif - - { /* Handle globals not defined in this translation unit. */ - int idx; - for (idx = 20; idx*sizeof(int) < D->lgsize; idx++) { - int n = D->lglabels[idx]; - /* Undefined label: Collapse rel chain and replace with marker (< 0). */ - while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = -idx; } - } - } - - /* Combine all code sections. No support for data sections (yet). */ - for (secnum = 0; secnum < D->maxsection; secnum++) { - dasm_Section *sec = D->sections + secnum; - int *b = sec->rbuf; - int pos = DASM_SEC2POS(secnum); - int lastpos = sec->pos; - - while (pos != lastpos) { - dasm_ActList p = D->actionlist + b[pos++]; - while (1) { - unsigned int ins = *p++; - unsigned int action = (ins >> 16); - switch (action) { - case DASM_STOP: case DASM_SECTION: goto stop; - case DASM_ESC: p++; break; - case DASM_REL_EXT: break; - case DASM_ALIGN: ofs -= (b[pos++] + ofs) & (ins & 255); break; - case DASM_REL_LG: case DASM_REL_PC: pos++; break; - case DASM_LABEL_LG: case DASM_LABEL_PC: b[pos++] += ofs; break; - case DASM_IMM: case DASM_IMM12: case DASM_IMM16: - case DASM_IMML8: case DASM_IMML12: pos++; break; - } - } - stop: (void)0; - } - ofs += sec->ofs; /* Next section starts right after current section. */ - } - - D->codesize = ofs; /* Total size of all code sections */ - *szp = ofs; - return DASM_S_OK; -} - -#ifdef DASM_CHECKS -#define CK(x, st) \ - do { if (!(x)) return DASM_S_##st|(p-D->actionlist-1); } while (0) -#else -#define CK(x, st) ((void)0) -#endif - -/* Pass 3: Encode sections. */ -int dasm_encode(Dst_DECL, void *buffer) -{ - dasm_State *D = Dst_REF; - char *base = (char *)buffer; - unsigned int *cp = (unsigned int *)buffer; - int secnum; - - /* Encode all code sections. No support for data sections (yet). */ - for (secnum = 0; secnum < D->maxsection; secnum++) { - dasm_Section *sec = D->sections + secnum; - int *b = sec->buf; - int *endb = sec->rbuf + sec->pos; - - while (b != endb) { - dasm_ActList p = D->actionlist + *b++; - while (1) { - unsigned int ins = *p++; - unsigned int action = (ins >> 16); - int n = (action >= DASM_ALIGN && action < DASM__MAX) ? *b++ : 0; - switch (action) { - case DASM_STOP: case DASM_SECTION: goto stop; - case DASM_ESC: *cp++ = *p++; break; - case DASM_REL_EXT: - n = DASM_EXTERN(Dst, (unsigned char *)cp, (ins&2047), !(ins&2048)); - goto patchrel; - case DASM_ALIGN: - ins &= 255; while ((((char *)cp - base) & ins)) *cp++ = 0xe1a00000; - break; - case DASM_REL_LG: - CK(n >= 0, UNDEF_LG); - case DASM_REL_PC: - CK(n >= 0, UNDEF_PC); - n = *DASM_POS2PTR(D, n) - (int)((char *)cp - base) - 4; - patchrel: - if ((ins & 0x800) == 0) { - CK((n & 3) == 0 && ((n+0x02000000) >> 26) == 0, RANGE_REL); - cp[-1] |= ((n >> 2) & 0x00ffffff); - } else if ((ins & 0x1000)) { - CK((n & 3) == 0 && -256 <= n && n <= 256, RANGE_REL); - goto patchimml8; - } else { - CK((n & 3) == 0 && -4096 <= n && n <= 4096, RANGE_REL); - goto patchimml12; - } - break; - case DASM_LABEL_LG: - ins &= 2047; if (ins >= 20) D->globals[ins-10] = (void *)(base + n); - break; - case DASM_LABEL_PC: break; - case DASM_IMM: - cp[-1] |= ((n>>((ins>>10)&31)) & ((1<<((ins>>5)&31))-1)) << (ins&31); - break; - case DASM_IMM12: - cp[-1] |= dasm_imm12((unsigned int)n); - break; - case DASM_IMM16: - cp[-1] |= ((n & 0xf000) << 4) | (n & 0x0fff); - break; - case DASM_IMML8: patchimml8: - cp[-1] |= n >= 0 ? (0x00800000 | (n & 0x0f) | ((n & 0xf0) << 4)) : - ((-n & 0x0f) | ((-n & 0xf0) << 4)); - break; - case DASM_IMML12: patchimml12: - cp[-1] |= n >= 0 ? (0x00800000 | n) : (-n); - break; - default: *cp++ = ins; break; - } - } - stop: (void)0; - } - } - - if (base + D->codesize != (char *)cp) /* Check for phase errors. */ - return DASM_S_PHASE; - return DASM_S_OK; -} -#undef CK - -/* Get PC label offset. */ -int dasm_getpclabel(Dst_DECL, unsigned int pc) -{ - dasm_State *D = Dst_REF; - if (pc*sizeof(int) < D->pcsize) { - int pos = D->pclabels[pc]; - if (pos < 0) return *DASM_POS2PTR(D, -pos); - if (pos > 0) return -1; /* Undefined. */ - } - return -2; /* Unused or out of range. */ -} - -#ifdef DASM_CHECKS -/* Optional sanity checker to call between isolated encoding steps. */ -int dasm_checkstep(Dst_DECL, int secmatch) -{ - dasm_State *D = Dst_REF; - if (D->status == DASM_S_OK) { - int i; - for (i = 1; i <= 9; i++) { - if (D->lglabels[i] > 0) { D->status = DASM_S_UNDEF_LG|i; break; } - D->lglabels[i] = 0; - } - } - if (D->status == DASM_S_OK && secmatch >= 0 && - D->section != &D->sections[secmatch]) - D->status = DASM_S_MATCH_SEC|(D->section-D->sections); - return D->status; -} -#endif - diff --git a/libraries/luajit-2.0/dynasm/dasm_arm.lua b/libraries/luajit-2.0/dynasm/dasm_arm.lua deleted file mode 100644 index b8a595b..0000000 --- a/libraries/luajit-2.0/dynasm/dasm_arm.lua +++ /dev/null @@ -1,949 +0,0 @@ ------------------------------------------------------------------------------- --- DynASM ARM module. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- See dynasm.lua for full copyright notice. ------------------------------------------------------------------------------- - --- Module information: -local _info = { - arch = "arm", - description = "DynASM ARM module", - version = "1.3.0", - vernum = 10300, - release = "2011-05-05", - author = "Mike Pall", - license = "MIT", -} - --- Exported glue functions for the arch-specific module. -local _M = { _info = _info } - --- Cache library functions. -local type, tonumber, pairs, ipairs = type, tonumber, pairs, ipairs -local assert, setmetatable, rawget = assert, setmetatable, rawget -local _s = string -local sub, format, byte, char = _s.sub, _s.format, _s.byte, _s.char -local match, gmatch, gsub = _s.match, _s.gmatch, _s.gsub -local concat, sort, insert = table.concat, table.sort, table.insert - --- Inherited tables and callbacks. -local g_opt, g_arch -local wline, werror, wfatal, wwarn - --- Action name list. --- CHECK: Keep this in sync with the C code! -local action_names = { - "STOP", "SECTION", "ESC", "REL_EXT", - "ALIGN", "REL_LG", "LABEL_LG", - "REL_PC", "LABEL_PC", "IMM", "IMM12", "IMM16", "IMML8", "IMML12", -} - --- Maximum number of section buffer positions for dasm_put(). --- CHECK: Keep this in sync with the C code! -local maxsecpos = 25 -- Keep this low, to avoid excessively long C lines. - --- Action name -> action number. -local map_action = {} -for n,name in ipairs(action_names) do - map_action[name] = n-1 -end - --- Action list buffer. -local actlist = {} - --- Argument list for next dasm_put(). Start with offset 0 into action list. -local actargs = { 0 } - --- Current number of section buffer positions for dasm_put(). -local secpos = 1 - ------------------------------------------------------------------------------- - --- Return 8 digit hex number. -local function tohex(x) - return sub(format("%08x", x), -8) -- Avoid 64 bit portability problem in Lua. -end - --- Dump action names and numbers. -local function dumpactions(out) - out:write("DynASM encoding engine action codes:\n") - for n,name in ipairs(action_names) do - local num = map_action[name] - out:write(format(" %-10s %02X %d\n", name, num, num)) - end - out:write("\n") -end - --- Write action list buffer as a huge static C array. -local function writeactions(out, name) - local nn = #actlist - if nn == 0 then nn = 1; actlist[0] = map_action.STOP end - out:write("static const unsigned int ", name, "[", nn, "] = {\n") - for i = 1,nn-1 do - assert(out:write("0x", tohex(actlist[i]), ",\n")) - end - assert(out:write("0x", tohex(actlist[nn]), "\n};\n\n")) -end - ------------------------------------------------------------------------------- - --- Add word to action list. -local function wputxw(n) - assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") - actlist[#actlist+1] = n -end - --- Add action to list with optional arg. Advance buffer pos, too. -local function waction(action, val, a, num) - local w = assert(map_action[action], "bad action name `"..action.."'") - wputxw(w * 0x10000 + (val or 0)) - if a then actargs[#actargs+1] = a end - if a or num then secpos = secpos + (num or 1) end -end - --- Flush action list (intervening C code or buffer pos overflow). -local function wflush(term) - if #actlist == actargs[1] then return end -- Nothing to flush. - if not term then waction("STOP") end -- Terminate action list. - wline(format("dasm_put(Dst, %s);", concat(actargs, ", ")), true) - actargs = { #actlist } -- Actionlist offset is 1st arg to next dasm_put(). - secpos = 1 -- The actionlist offset occupies a buffer position, too. -end - --- Put escaped word. -local function wputw(n) - if n <= 0x000fffff then waction("ESC") end - wputxw(n) -end - --- Reserve position for word. -local function wpos() - local pos = #actlist+1 - actlist[pos] = "" - return pos -end - --- Store word to reserved position. -local function wputpos(pos, n) - assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") - if n <= 0x000fffff then - insert(actlist, pos+1, n) - n = map_action.ESC * 0x10000 - end - actlist[pos] = n -end - ------------------------------------------------------------------------------- - --- Global label name -> global label number. With auto assignment on 1st use. -local next_global = 20 -local map_global = setmetatable({}, { __index = function(t, name) - if not match(name, "^[%a_][%w_]*$") then werror("bad global label") end - local n = next_global - if n > 2047 then werror("too many global labels") end - next_global = n + 1 - t[name] = n - return n -end}) - --- Dump global labels. -local function dumpglobals(out, lvl) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("Global labels:\n") - for i=20,next_global-1 do - out:write(format(" %s\n", t[i])) - end - out:write("\n") -end - --- Write global label enum. -local function writeglobals(out, prefix) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("enum {\n") - for i=20,next_global-1 do - out:write(" ", prefix, t[i], ",\n") - end - out:write(" ", prefix, "_MAX\n};\n") -end - --- Write global label names. -local function writeglobalnames(out, name) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("static const char *const ", name, "[] = {\n") - for i=20,next_global-1 do - out:write(" \"", t[i], "\",\n") - end - out:write(" (const char *)0\n};\n") -end - ------------------------------------------------------------------------------- - --- Extern label name -> extern label number. With auto assignment on 1st use. -local next_extern = 0 -local map_extern_ = {} -local map_extern = setmetatable({}, { __index = function(t, name) - -- No restrictions on the name for now. - local n = next_extern - if n > 2047 then werror("too many extern labels") end - next_extern = n + 1 - t[name] = n - map_extern_[n] = name - return n -end}) - --- Dump extern labels. -local function dumpexterns(out, lvl) - out:write("Extern labels:\n") - for i=0,next_extern-1 do - out:write(format(" %s\n", map_extern_[i])) - end - out:write("\n") -end - --- Write extern label names. -local function writeexternnames(out, name) - out:write("static const char *const ", name, "[] = {\n") - for i=0,next_extern-1 do - out:write(" \"", map_extern_[i], "\",\n") - end - out:write(" (const char *)0\n};\n") -end - ------------------------------------------------------------------------------- - --- Arch-specific maps. - --- Ext. register name -> int. name. -local map_archdef = { sp = "r13", lr = "r14", pc = "r15", } - --- Int. register name -> ext. name. -local map_reg_rev = { r13 = "sp", r14 = "lr", r15 = "pc", } - -local map_type = {} -- Type name -> { ctype, reg } -local ctypenum = 0 -- Type number (for Dt... macros). - --- Reverse defines for registers. -function _M.revdef(s) - return map_reg_rev[s] or s -end - -local map_shift = { lsl = 0, lsr = 1, asr = 2, ror = 3, } - -local map_cond = { - eq = 0, ne = 1, cs = 2, cc = 3, mi = 4, pl = 5, vs = 6, vc = 7, - hi = 8, ls = 9, ge = 10, lt = 11, gt = 12, le = 13, al = 14, - hs = 2, lo = 3, -} - ------------------------------------------------------------------------------- - --- Template strings for ARM instructions. -local map_op = { - -- Basic data processing instructions. - and_3 = "e0000000DNPs", - eor_3 = "e0200000DNPs", - sub_3 = "e0400000DNPs", - rsb_3 = "e0600000DNPs", - add_3 = "e0800000DNPs", - adc_3 = "e0a00000DNPs", - sbc_3 = "e0c00000DNPs", - rsc_3 = "e0e00000DNPs", - tst_2 = "e1100000NP", - teq_2 = "e1300000NP", - cmp_2 = "e1500000NP", - cmn_2 = "e1700000NP", - orr_3 = "e1800000DNPs", - mov_2 = "e1a00000DPs", - bic_3 = "e1c00000DNPs", - mvn_2 = "e1e00000DPs", - - and_4 = "e0000000DNMps", - eor_4 = "e0200000DNMps", - sub_4 = "e0400000DNMps", - rsb_4 = "e0600000DNMps", - add_4 = "e0800000DNMps", - adc_4 = "e0a00000DNMps", - sbc_4 = "e0c00000DNMps", - rsc_4 = "e0e00000DNMps", - tst_3 = "e1100000NMp", - teq_3 = "e1300000NMp", - cmp_3 = "e1500000NMp", - cmn_3 = "e1700000NMp", - orr_4 = "e1800000DNMps", - mov_3 = "e1a00000DMps", - bic_4 = "e1c00000DNMps", - mvn_3 = "e1e00000DMps", - - lsl_3 = "e1a00000DMws", - lsr_3 = "e1a00020DMws", - asr_3 = "e1a00040DMws", - ror_3 = "e1a00060DMws", - rrx_2 = "e1a00060DMs", - - -- Multiply and multiply-accumulate. - mul_3 = "e0000090NMSs", - mla_4 = "e0200090NMSDs", - umaal_4 = "e0400090DNMSs", -- v6 - mls_4 = "e0600090DNMSs", -- v6T2 - umull_4 = "e0800090DNMSs", - umlal_4 = "e0a00090DNMSs", - smull_4 = "e0c00090DNMSs", - smlal_4 = "e0e00090DNMSs", - - -- Halfword multiply and multiply-accumulate. - smlabb_4 = "e1000080NMSD", -- v5TE - smlatb_4 = "e10000a0NMSD", -- v5TE - smlabt_4 = "e10000c0NMSD", -- v5TE - smlatt_4 = "e10000e0NMSD", -- v5TE - smlawb_4 = "e1200080NMSD", -- v5TE - smulwb_3 = "e12000a0NMS", -- v5TE - smlawt_4 = "e12000c0NMSD", -- v5TE - smulwt_3 = "e12000e0NMS", -- v5TE - smlalbb_4 = "e1400080NMSD", -- v5TE - smlaltb_4 = "e14000a0NMSD", -- v5TE - smlalbt_4 = "e14000c0NMSD", -- v5TE - smlaltt_4 = "e14000e0NMSD", -- v5TE - smulbb_3 = "e1600080NMS", -- v5TE - smultb_3 = "e16000a0NMS", -- v5TE - smulbt_3 = "e16000c0NMS", -- v5TE - smultt_3 = "e16000e0NMS", -- v5TE - - -- Miscellaneous data processing instructions. - clz_2 = "e16f0f10DM", -- v5T - rev_2 = "e6bf0f30DM", -- v6 - rev16_2 = "e6bf0fb0DM", -- v6 - revsh_2 = "e6ff0fb0DM", -- v6 - sel_3 = "e6800fb0DNM", -- v6 - usad8_3 = "e780f010NMS", -- v6 - usada8_4 = "e7800010NMSD", -- v6 - rbit_2 = "e6ff0f30DM", -- v6T2 - movw_2 = "e3000000DW", -- v6T2 - movt_2 = "e3400000DW", -- v6T2 - -- Note: the X encodes width-1, not width. - sbfx_4 = "e7a00050DMvX", -- v6T2 - ubfx_4 = "e7e00050DMvX", -- v6T2 - -- Note: the X encodes the msb field, not the width. - bfc_3 = "e7c0001fDvX", -- v6T2 - bfi_4 = "e7c00010DMvX", -- v6T2 - - -- Packing and unpacking instructions. - pkhbt_3 = "e6800010DNM", pkhbt_4 = "e6800010DNMv", -- v6 - pkhtb_3 = "e6800050DNM", pkhtb_4 = "e6800050DNMv", -- v6 - sxtab_3 = "e6a00070DNM", sxtab_4 = "e6a00070DNMv", -- v6 - sxtab16_3 = "e6800070DNM", sxtab16_4 = "e6800070DNMv", -- v6 - sxtah_3 = "e6b00070DNM", sxtah_4 = "e6b00070DNMv", -- v6 - sxtb_2 = "e6af0070DM", sxtb_3 = "e6af0070DMv", -- v6 - sxtb16_2 = "e68f0070DM", sxtb16_3 = "e68f0070DMv", -- v6 - sxth_2 = "e6bf0070DM", sxth_3 = "e6bf0070DMv", -- v6 - uxtab_3 = "e6e00070DNM", uxtab_4 = "e6e00070DNMv", -- v6 - uxtab16_3 = "e6c00070DNM", uxtab16_4 = "e6c00070DNMv", -- v6 - uxtah_3 = "e6f00070DNM", uxtah_4 = "e6f00070DNMv", -- v6 - uxtb_2 = "e6ef0070DM", uxtb_3 = "e6ef0070DMv", -- v6 - uxtb16_2 = "e6cf0070DM", uxtb16_3 = "e6cf0070DMv", -- v6 - uxth_2 = "e6ff0070DM", uxth_3 = "e6ff0070DMv", -- v6 - - -- Saturating instructions. - qadd_3 = "e1000050DMN", -- v5TE - qsub_3 = "e1200050DMN", -- v5TE - qdadd_3 = "e1400050DMN", -- v5TE - qdsub_3 = "e1600050DMN", -- v5TE - -- Note: the X for ssat* encodes sat_imm-1, not sat_imm. - ssat_3 = "e6a00010DXM", ssat_4 = "e6a00010DXMp", -- v6 - usat_3 = "e6e00010DXM", usat_4 = "e6e00010DXMp", -- v6 - ssat16_3 = "e6a00f30DXM", -- v6 - usat16_3 = "e6e00f30DXM", -- v6 - - -- Parallel addition and subtraction. - sadd16_3 = "e6100f10DNM", -- v6 - sasx_3 = "e6100f30DNM", -- v6 - ssax_3 = "e6100f50DNM", -- v6 - ssub16_3 = "e6100f70DNM", -- v6 - sadd8_3 = "e6100f90DNM", -- v6 - ssub8_3 = "e6100ff0DNM", -- v6 - qadd16_3 = "e6200f10DNM", -- v6 - qasx_3 = "e6200f30DNM", -- v6 - qsax_3 = "e6200f50DNM", -- v6 - qsub16_3 = "e6200f70DNM", -- v6 - qadd8_3 = "e6200f90DNM", -- v6 - qsub8_3 = "e6200ff0DNM", -- v6 - shadd16_3 = "e6300f10DNM", -- v6 - shasx_3 = "e6300f30DNM", -- v6 - shsax_3 = "e6300f50DNM", -- v6 - shsub16_3 = "e6300f70DNM", -- v6 - shadd8_3 = "e6300f90DNM", -- v6 - shsub8_3 = "e6300ff0DNM", -- v6 - uadd16_3 = "e6500f10DNM", -- v6 - uasx_3 = "e6500f30DNM", -- v6 - usax_3 = "e6500f50DNM", -- v6 - usub16_3 = "e6500f70DNM", -- v6 - uadd8_3 = "e6500f90DNM", -- v6 - usub8_3 = "e6500ff0DNM", -- v6 - uqadd16_3 = "e6600f10DNM", -- v6 - uqasx_3 = "e6600f30DNM", -- v6 - uqsax_3 = "e6600f50DNM", -- v6 - uqsub16_3 = "e6600f70DNM", -- v6 - uqadd8_3 = "e6600f90DNM", -- v6 - uqsub8_3 = "e6600ff0DNM", -- v6 - uhadd16_3 = "e6700f10DNM", -- v6 - uhasx_3 = "e6700f30DNM", -- v6 - uhsax_3 = "e6700f50DNM", -- v6 - uhsub16_3 = "e6700f70DNM", -- v6 - uhadd8_3 = "e6700f90DNM", -- v6 - uhsub8_3 = "e6700ff0DNM", -- v6 - - -- Load/store instructions. - str_2 = "e4000000DL", str_3 = "e4000000DL", str_4 = "e4000000DL", - strb_2 = "e4400000DL", strb_3 = "e4400000DL", strb_4 = "e4400000DL", - ldr_2 = "e4100000DL", ldr_3 = "e4100000DL", ldr_4 = "e4100000DL", - ldrb_2 = "e4500000DL", ldrb_3 = "e4500000DL", ldrb_4 = "e4500000DL", - strh_2 = "e00000b0DL", strh_3 = "e00000b0DL", - ldrh_2 = "e01000b0DL", ldrh_3 = "e01000b0DL", - ldrd_2 = "e00000d0DL", ldrd_3 = "e00000d0DL", -- v5TE - ldrsb_2 = "e01000d0DL", ldrsb_3 = "e01000d0DL", - strd_2 = "e00000f0DL", strd_3 = "e00000f0DL", -- v5TE - ldrsh_2 = "e01000f0DL", ldrsh_3 = "e01000f0DL", - - ldm_2 = "e8900000nR", ldmia_2 = "e8900000nR", ldmfd_2 = "e8900000nR", - ldmda_2 = "e8100000nR", ldmfa_2 = "e8100000nR", - ldmdb_2 = "e9100000nR", ldmea_2 = "e9100000nR", - ldmib_2 = "e9900000nR", ldmed_2 = "e9900000nR", - stm_2 = "e8800000nR", stmia_2 = "e8800000nR", stmfd_2 = "e8800000nR", - stmda_2 = "e8000000nR", stmfa_2 = "e8000000nR", - stmdb_2 = "e9000000nR", stmea_2 = "e9000000nR", - stmib_2 = "e9800000nR", stmed_2 = "e9800000nR", - pop_1 = "e8bd0000R", push_1 = "e92d0000R", - - -- Branch instructions. - b_1 = "ea000000B", - bl_1 = "eb000000B", - blx_1 = "e12fff30C", - bx_1 = "e12fff10M", - - -- Miscellaneous instructions. - nop_0 = "e1a00000", - mrs_1 = "e10f0000D", - bkpt_1 = "e1200070K", -- v5T - svc_1 = "ef000000T", swi_1 = "ef000000T", - ud_0 = "e7f001f0", - - -- NYI: Advanced SIMD and VFP instructions. - - -- NYI instructions, since I have no need for them right now: - -- swp, swpb, strex, ldrex, strexd, ldrexd, strexb, ldrexb, strexh, ldrexh - -- msr, nopv6, yield, wfe, wfi, sev, dbg, bxj, smc, srs, rfe - -- cps, setend, pli, pld, pldw, clrex, dsb, dmb, isb - -- stc, ldc, mcr, mcr2, mrc, mrc2, mcrr, mcrr2, mrrc, mrrc2, cdp, cdp2 -} - --- Add mnemonics for "s" variants. -do - local t = {} - for k,v in pairs(map_op) do - if sub(v, -1) == "s" then - local v2 = sub(v, 1, 2)..char(byte(v, 3)+1)..sub(v, 4, -2) - t[sub(k, 1, -3).."s"..sub(k, -2)] = v2 - end - end - for k,v in pairs(t) do - map_op[k] = v - end -end - ------------------------------------------------------------------------------- - -local function parse_gpr(expr) - local tname, ovreg = match(expr, "^([%w_]+):(r1?[0-9])$") - local tp = map_type[tname or expr] - if tp then - local reg = ovreg or tp.reg - if not reg then - werror("type `"..(tname or expr).."' needs a register override") - end - expr = reg - end - local r = match(expr, "^r(1?[0-9])$") - if r then - r = tonumber(r) - if r <= 15 then return r, tp end - end - werror("bad register name `"..expr.."'") -end - -local function parse_gpr_pm(expr) - local pm, expr2 = match(expr, "^([+-]?)(.*)$") - return parse_gpr(expr2), (pm == "-") -end - -local function parse_reglist(reglist) - reglist = match(reglist, "^{%s*([^}]*)}$") - if not reglist then werror("register list expected") end - local rr = 0 - for p in gmatch(reglist..",", "%s*([^,]*),") do - local rbit = 2^parse_gpr(gsub(p, "%s+$", "")) - if ((rr - (rr % rbit)) / rbit) % 2 ~= 0 then - werror("duplicate register `"..p.."'") - end - rr = rr + rbit - end - return rr -end - -local function parse_imm(imm, bits, shift, scale, signed) - imm = match(imm, "^#(.*)$") - if not imm then werror("expected immediate operand") end - local n = tonumber(imm) - if n then - if n % 2^scale == 0 then - n = n / 2^scale - if signed then - if n >= 0 then - if n < 2^(bits-1) then return n*2^shift end - else - if n >= -(2^(bits-1))-1 then return (n+2^bits)*2^shift end - end - else - if n >= 0 and n <= 2^bits-1 then return n*2^shift end - end - end - werror("out of range immediate `"..imm.."'") - else - waction("IMM", (signed and 32768 or 0)+scale*1024+bits*32+shift, imm) - return 0 - end -end - -local function parse_imm12(imm) - local n = tonumber(imm) - if n then - local m = n - for i=0,-15,-1 do - if m >= 0 and m <= 255 and n % 1 == 0 then return m + (i%16) * 256 end - local t = m % 4 - m = (m - t) / 4 + t * 2^30 - end - werror("out of range immediate `"..imm.."'") - else - waction("IMM12", 0, imm) - return 0 - end -end - -local function parse_imm16(imm) - imm = match(imm, "^#(.*)$") - if not imm then werror("expected immediate operand") end - local n = tonumber(imm) - if n then - if n >= 0 and n <= 65535 and n % 1 == 0 then - local t = n % 4096 - return (n - t) * 16 + t - end - werror("out of range immediate `"..imm.."'") - else - waction("IMM16", 32*16, imm) - return 0 - end -end - -local function parse_imm_load(imm, ext) - local n = tonumber(imm) - if n then - if ext then - if n >= -255 and n <= 255 then - local up = 0x00800000 - if n < 0 then n = -n; up = 0 end - return (n-(n%16))*16+(n%16) + up - end - else - if n >= -4095 and n <= 4095 then - if n >= 0 then return n+0x00800000 end - return -n - end - end - werror("out of range immediate `"..imm.."'") - else - waction(ext and "IMML8" or "IMML12", 32768 + 32*(ext and 8 or 12), imm) - return 0 - end -end - -local function parse_shift(shift, gprok) - if shift == "rrx" then - return 3 * 32 - else - local s, s2 = match(shift, "^(%S+)%s*(.*)$") - s = map_shift[s] - if not s then werror("expected shift operand") end - if sub(s2, 1, 1) == "#" then - return parse_imm(s2, 5, 7, 0, false) + s * 32 - else - if not gprok then werror("expected immediate shift operand") end - return parse_gpr(s2) * 256 + s * 32 + 16 - end - end -end - -local function parse_label(label, def) - local prefix = sub(label, 1, 2) - -- =>label (pc label reference) - if prefix == "=>" then - return "PC", 0, sub(label, 3) - end - -- ->name (global label reference) - if prefix == "->" then - return "LG", map_global[sub(label, 3)] - end - if def then - -- [1-9] (local label definition) - if match(label, "^[1-9]$") then - return "LG", 10+tonumber(label) - end - else - -- [<>][1-9] (local label reference) - local dir, lnum = match(label, "^([<>])([1-9])$") - if dir then -- Fwd: 1-9, Bkwd: 11-19. - return "LG", lnum + (dir == ">" and 0 or 10) - end - -- extern label (extern label reference) - local extname = match(label, "^extern%s+(%S+)$") - if extname then - return "EXT", map_extern[extname] - end - end - werror("bad label `"..label.."'") -end - -local function parse_load(params, nparams, n, op) - local oplo = op % 256 - local ext, ldrd = (oplo ~= 0), (oplo == 208) - local d - if (ldrd or oplo == 240) then - d = ((op - (op % 4096)) / 4096) % 16 - if d % 2 ~= 0 then werror("odd destination register") end - end - local pn = params[n] - local p1, wb = match(pn, "^%[%s*(.-)%s*%](!?)$") - local p2 = params[n+1] - if not p1 then - if not p2 then - if match(pn, "^[<>=%-]") or match(pn, "^extern%s+") then - local mode, n, s = parse_label(pn, false) - waction("REL_"..mode, n + (ext and 0x1800 or 0x0800), s, 1) - return op + 15 * 65536 + 0x01000000 + (ext and 0x00400000 or 0) - end - local reg, tailr = match(pn, "^([%w_:]+)%s*(.*)$") - if reg and tailr ~= "" then - local d, tp = parse_gpr(reg) - if tp then - waction(ext and "IMML8" or "IMML12", 32768 + 32*(ext and 8 or 12), - format(tp.ctypefmt, tailr)) - return op + d * 65536 + 0x01000000 + (ext and 0x00400000 or 0) - end - end - end - werror("expected address operand") - end - if wb == "!" then op = op + 0x00200000 end - if p2 then - if wb == "!" then werror("bad use of '!'") end - local p3 = params[n+2] - op = op + parse_gpr(p1) * 65536 - local imm = match(p2, "^#(.*)$") - if imm then - local m = parse_imm_load(imm, ext) - if p3 then werror("too many parameters") end - op = op + m + (ext and 0x00400000 or 0) - else - local m, neg = parse_gpr_pm(p2) - if ldrd and (m == d or m-1 == d) then werror("register conflict") end - op = op + m + (neg and 0 or 0x00800000) + (ext and 0 or 0x02000000) - if p3 then op = op + parse_shift(p3) end - end - else - local p1a, p2 = match(p1, "^([^,%s]*)%s*(.*)$") - op = op + parse_gpr(p1a) * 65536 + 0x01000000 - if p2 ~= "" then - local imm = match(p2, "^,%s*#(.*)$") - if imm then - local m = parse_imm_load(imm, ext) - op = op + m + (ext and 0x00400000 or 0) - else - local p2a, p3 = match(p2, "^,%s*([^,%s]*)%s*,?%s*(.*)$") - local m, neg = parse_gpr_pm(p2a) - if ldrd and (m == d or m-1 == d) then werror("register conflict") end - op = op + m + (neg and 0 or 0x00800000) + (ext and 0 or 0x02000000) - if p3 ~= "" then - if ext then werror("too many parameters") end - op = op + parse_shift(p3) - end - end - else - if wb == "!" then werror("bad use of '!'") end - op = op + (ext and 0x00c00000 or 0x00800000) - end - end - return op -end - ------------------------------------------------------------------------------- - --- Handle opcodes defined with template strings. -map_op[".template__"] = function(params, template, nparams) - if not params then return sub(template, 9) end - local op = tonumber(sub(template, 1, 8), 16) - local n = 1 - - -- Limit number of section buffer positions used by a single dasm_put(). - -- A single opcode needs a maximum of 3 positions. - if secpos+3 > maxsecpos then wflush() end - local pos = wpos() - - -- Process each character. - for p in gmatch(sub(template, 9), ".") do - if p == "D" then - op = op + parse_gpr(params[n]) * 4096; n = n + 1 - elseif p == "N" then - op = op + parse_gpr(params[n]) * 65536; n = n + 1 - elseif p == "S" then - op = op + parse_gpr(params[n]) * 256; n = n + 1 - elseif p == "M" then - op = op + parse_gpr(params[n]); n = n + 1 - elseif p == "P" then - local imm = match(params[n], "^#(.*)$") - if imm then - op = op + parse_imm12(imm) + 0x02000000 - else - op = op + parse_gpr(params[n]) - end - n = n + 1 - elseif p == "p" then - op = op + parse_shift(params[n], true); n = n + 1 - elseif p == "L" then - op = parse_load(params, nparams, n, op) - elseif p == "B" then - local mode, n, s = parse_label(params[n], false) - waction("REL_"..mode, n, s, 1) - elseif p == "C" then -- blx gpr vs. blx label. - local p = params[n] - if match(p, "^([%w_]+):(r1?[0-9])$") or match(p, "^r(1?[0-9])$") then - op = op + parse_gpr(p) - else - if op < 0xe0000000 then werror("unconditional instruction") end - local mode, n, s = parse_label(p, false) - waction("REL_"..mode, n, s, 1) - op = 0xfa000000 - end - elseif p == "n" then - local r, wb = match(params[n], "^([^!]*)(!?)$") - op = op + parse_gpr(r) * 65536 + (wb == "!" and 0x00200000 or 0) - n = n + 1 - elseif p == "R" then - op = op + parse_reglist(params[n]); n = n + 1 - elseif p == "W" then - op = op + parse_imm16(params[n]); n = n + 1 - elseif p == "v" then - op = op + parse_imm(params[n], 5, 7, 0, false); n = n + 1 - elseif p == "w" then - local imm = match(params[n], "^#(.*)$") - if imm then - op = op + parse_imm(params[n], 5, 7, 0, false); n = n + 1 - else - op = op + parse_gpr(params[n]) * 256 + 16 - end - elseif p == "X" then - op = op + parse_imm(params[n], 5, 16, 0, false); n = n + 1 - elseif p == "K" then - local imm = tonumber(match(params[n], "^#(.*)$")); n = n + 1 - if not imm or imm % 1 ~= 0 or imm < 0 or imm > 0xffff then - werror("bad immediate operand") - end - local t = imm % 16 - op = op + (imm - t) * 16 + t - elseif p == "T" then - op = op + parse_imm(params[n], 24, 0, 0, false); n = n + 1 - elseif p == "s" then - -- Ignored. - else - assert(false) - end - end - wputpos(pos, op) -end - ------------------------------------------------------------------------------- - --- Pseudo-opcode to mark the position where the action list is to be emitted. -map_op[".actionlist_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeactions(out, name) end) -end - --- Pseudo-opcode to mark the position where the global enum is to be emitted. -map_op[".globals_1"] = function(params) - if not params then return "prefix" end - local prefix = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeglobals(out, prefix) end) -end - --- Pseudo-opcode to mark the position where the global names are to be emitted. -map_op[".globalnames_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeglobalnames(out, name) end) -end - --- Pseudo-opcode to mark the position where the extern names are to be emitted. -map_op[".externnames_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeexternnames(out, name) end) -end - ------------------------------------------------------------------------------- - --- Label pseudo-opcode (converted from trailing colon form). -map_op[".label_1"] = function(params) - if not params then return "[1-9] | ->global | =>pcexpr" end - if secpos+1 > maxsecpos then wflush() end - local mode, n, s = parse_label(params[1], true) - if mode == "EXT" then werror("bad label definition") end - waction("LABEL_"..mode, n, s, 1) -end - ------------------------------------------------------------------------------- - --- Pseudo-opcodes for data storage. -map_op[".long_*"] = function(params) - if not params then return "imm..." end - for _,p in ipairs(params) do - local n = tonumber(p) - if not n then werror("bad immediate `"..p.."'") end - if n < 0 then n = n + 2^32 end - wputw(n) - if secpos+2 > maxsecpos then wflush() end - end -end - --- Alignment pseudo-opcode. -map_op[".align_1"] = function(params) - if not params then return "numpow2" end - if secpos+1 > maxsecpos then wflush() end - local align = tonumber(params[1]) - if align then - local x = align - -- Must be a power of 2 in the range (2 ... 256). - for i=1,8 do - x = x / 2 - if x == 1 then - waction("ALIGN", align-1, nil, 1) -- Action byte is 2**n-1. - return - end - end - end - werror("bad alignment") -end - ------------------------------------------------------------------------------- - --- Pseudo-opcode for (primitive) type definitions (map to C types). -map_op[".type_3"] = function(params, nparams) - if not params then - return nparams == 2 and "name, ctype" or "name, ctype, reg" - end - local name, ctype, reg = params[1], params[2], params[3] - if not match(name, "^[%a_][%w_]*$") then - werror("bad type name `"..name.."'") - end - local tp = map_type[name] - if tp then - werror("duplicate type `"..name.."'") - end - -- Add #type to defines. A bit unclean to put it in map_archdef. - map_archdef["#"..name] = "sizeof("..ctype..")" - -- Add new type and emit shortcut define. - local num = ctypenum + 1 - map_type[name] = { - ctype = ctype, - ctypefmt = format("Dt%X(%%s)", num), - reg = reg, - } - wline(format("#define Dt%X(_V) (int)(ptrdiff_t)&(((%s *)0)_V)", num, ctype)) - ctypenum = num -end -map_op[".type_2"] = map_op[".type_3"] - --- Dump type definitions. -local function dumptypes(out, lvl) - local t = {} - for name in pairs(map_type) do t[#t+1] = name end - sort(t) - out:write("Type definitions:\n") - for _,name in ipairs(t) do - local tp = map_type[name] - local reg = tp.reg or "" - out:write(format(" %-20s %-20s %s\n", name, tp.ctype, reg)) - end - out:write("\n") -end - ------------------------------------------------------------------------------- - --- Set the current section. -function _M.section(num) - waction("SECTION", num) - wflush(true) -- SECTION is a terminal action. -end - ------------------------------------------------------------------------------- - --- Dump architecture description. -function _M.dumparch(out) - out:write(format("DynASM %s version %s, released %s\n\n", - _info.arch, _info.version, _info.release)) - dumpactions(out) -end - --- Dump all user defined elements. -function _M.dumpdef(out, lvl) - dumptypes(out, lvl) - dumpglobals(out, lvl) - dumpexterns(out, lvl) -end - ------------------------------------------------------------------------------- - --- Pass callbacks from/to the DynASM core. -function _M.passcb(wl, we, wf, ww) - wline, werror, wfatal, wwarn = wl, we, wf, ww - return wflush -end - --- Setup the arch-specific module. -function _M.setup(arch, opt) - g_arch, g_opt = arch, opt -end - --- Merge the core maps and the arch-specific maps. -function _M.mergemaps(map_coreop, map_def) - setmetatable(map_op, { __index = function(t, k) - local v = map_coreop[k] - if v then return v end - local cc = sub(k, -4, -3) - local cv = map_cond[cc] - if cv then - local v = rawget(t, sub(k, 1, -5)..sub(k, -2)) - if type(v) == "string" then return format("%x%s", cv, sub(v, 2)) end - end - end }) - setmetatable(map_def, { __index = map_archdef }) - return map_op, map_def -end - -return _M - ------------------------------------------------------------------------------- - diff --git a/libraries/luajit-2.0/dynasm/dasm_mips.h b/libraries/luajit-2.0/dynasm/dasm_mips.h deleted file mode 100644 index 832f9f2..0000000 --- a/libraries/luajit-2.0/dynasm/dasm_mips.h +++ /dev/null @@ -1,415 +0,0 @@ -/* -** DynASM MIPS encoding engine. -** Copyright (C) 2005-2011 Mike Pall. All rights reserved. -** Released under the MIT license. See dynasm.lua for full copyright notice. -*/ - -#include -#include -#include -#include - -#define DASM_ARCH "mips" - -#ifndef DASM_EXTERN -#define DASM_EXTERN(a,b,c,d) 0 -#endif - -/* Action definitions. */ -enum { - DASM_STOP, DASM_SECTION, DASM_ESC, DASM_REL_EXT, - /* The following actions need a buffer position. */ - DASM_ALIGN, DASM_REL_LG, DASM_LABEL_LG, - /* The following actions also have an argument. */ - DASM_REL_PC, DASM_LABEL_PC, DASM_IMM, - DASM__MAX -}; - -/* Maximum number of section buffer positions for a single dasm_put() call. */ -#define DASM_MAXSECPOS 25 - -/* DynASM encoder status codes. Action list offset or number are or'ed in. */ -#define DASM_S_OK 0x00000000 -#define DASM_S_NOMEM 0x01000000 -#define DASM_S_PHASE 0x02000000 -#define DASM_S_MATCH_SEC 0x03000000 -#define DASM_S_RANGE_I 0x11000000 -#define DASM_S_RANGE_SEC 0x12000000 -#define DASM_S_RANGE_LG 0x13000000 -#define DASM_S_RANGE_PC 0x14000000 -#define DASM_S_RANGE_REL 0x15000000 -#define DASM_S_UNDEF_LG 0x21000000 -#define DASM_S_UNDEF_PC 0x22000000 - -/* Macros to convert positions (8 bit section + 24 bit index). */ -#define DASM_POS2IDX(pos) ((pos)&0x00ffffff) -#define DASM_POS2BIAS(pos) ((pos)&0xff000000) -#define DASM_SEC2POS(sec) ((sec)<<24) -#define DASM_POS2SEC(pos) ((pos)>>24) -#define DASM_POS2PTR(D, pos) (D->sections[DASM_POS2SEC(pos)].rbuf + (pos)) - -/* Action list type. */ -typedef const unsigned int *dasm_ActList; - -/* Per-section structure. */ -typedef struct dasm_Section { - int *rbuf; /* Biased buffer pointer (negative section bias). */ - int *buf; /* True buffer pointer. */ - size_t bsize; /* Buffer size in bytes. */ - int pos; /* Biased buffer position. */ - int epos; /* End of biased buffer position - max single put. */ - int ofs; /* Byte offset into section. */ -} dasm_Section; - -/* Core structure holding the DynASM encoding state. */ -struct dasm_State { - size_t psize; /* Allocated size of this structure. */ - dasm_ActList actionlist; /* Current actionlist pointer. */ - int *lglabels; /* Local/global chain/pos ptrs. */ - size_t lgsize; - int *pclabels; /* PC label chains/pos ptrs. */ - size_t pcsize; - void **globals; /* Array of globals (bias -10). */ - dasm_Section *section; /* Pointer to active section. */ - size_t codesize; /* Total size of all code sections. */ - int maxsection; /* 0 <= sectionidx < maxsection. */ - int status; /* Status code. */ - dasm_Section sections[1]; /* All sections. Alloc-extended. */ -}; - -/* The size of the core structure depends on the max. number of sections. */ -#define DASM_PSZ(ms) (sizeof(dasm_State)+(ms-1)*sizeof(dasm_Section)) - - -/* Initialize DynASM state. */ -void dasm_init(Dst_DECL, int maxsection) -{ - dasm_State *D; - size_t psz = 0; - int i; - Dst_REF = NULL; - DASM_M_GROW(Dst, struct dasm_State, Dst_REF, psz, DASM_PSZ(maxsection)); - D = Dst_REF; - D->psize = psz; - D->lglabels = NULL; - D->lgsize = 0; - D->pclabels = NULL; - D->pcsize = 0; - D->globals = NULL; - D->maxsection = maxsection; - for (i = 0; i < maxsection; i++) { - D->sections[i].buf = NULL; /* Need this for pass3. */ - D->sections[i].rbuf = D->sections[i].buf - DASM_SEC2POS(i); - D->sections[i].bsize = 0; - D->sections[i].epos = 0; /* Wrong, but is recalculated after resize. */ - } -} - -/* Free DynASM state. */ -void dasm_free(Dst_DECL) -{ - dasm_State *D = Dst_REF; - int i; - for (i = 0; i < D->maxsection; i++) - if (D->sections[i].buf) - DASM_M_FREE(Dst, D->sections[i].buf, D->sections[i].bsize); - if (D->pclabels) DASM_M_FREE(Dst, D->pclabels, D->pcsize); - if (D->lglabels) DASM_M_FREE(Dst, D->lglabels, D->lgsize); - DASM_M_FREE(Dst, D, D->psize); -} - -/* Setup global label array. Must be called before dasm_setup(). */ -void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl) -{ - dasm_State *D = Dst_REF; - D->globals = gl - 10; /* Negative bias to compensate for locals. */ - DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int)); -} - -/* Grow PC label array. Can be called after dasm_setup(), too. */ -void dasm_growpc(Dst_DECL, unsigned int maxpc) -{ - dasm_State *D = Dst_REF; - size_t osz = D->pcsize; - DASM_M_GROW(Dst, int, D->pclabels, D->pcsize, maxpc*sizeof(int)); - memset((void *)(((unsigned char *)D->pclabels)+osz), 0, D->pcsize-osz); -} - -/* Setup encoder. */ -void dasm_setup(Dst_DECL, const void *actionlist) -{ - dasm_State *D = Dst_REF; - int i; - D->actionlist = (dasm_ActList)actionlist; - D->status = DASM_S_OK; - D->section = &D->sections[0]; - memset((void *)D->lglabels, 0, D->lgsize); - if (D->pclabels) memset((void *)D->pclabels, 0, D->pcsize); - for (i = 0; i < D->maxsection; i++) { - D->sections[i].pos = DASM_SEC2POS(i); - D->sections[i].ofs = 0; - } -} - - -#ifdef DASM_CHECKS -#define CK(x, st) \ - do { if (!(x)) { \ - D->status = DASM_S_##st|(p-D->actionlist-1); return; } } while (0) -#define CKPL(kind, st) \ - do { if ((size_t)((char *)pl-(char *)D->kind##labels) >= D->kind##size) { \ - D->status = DASM_S_RANGE_##st|(p-D->actionlist-1); return; } } while (0) -#else -#define CK(x, st) ((void)0) -#define CKPL(kind, st) ((void)0) -#endif - -/* Pass 1: Store actions and args, link branches/labels, estimate offsets. */ -void dasm_put(Dst_DECL, int start, ...) -{ - va_list ap; - dasm_State *D = Dst_REF; - dasm_ActList p = D->actionlist + start; - dasm_Section *sec = D->section; - int pos = sec->pos, ofs = sec->ofs; - int *b; - - if (pos >= sec->epos) { - DASM_M_GROW(Dst, int, sec->buf, sec->bsize, - sec->bsize + 2*DASM_MAXSECPOS*sizeof(int)); - sec->rbuf = sec->buf - DASM_POS2BIAS(pos); - sec->epos = (int)sec->bsize/sizeof(int) - DASM_MAXSECPOS+DASM_POS2BIAS(pos); - } - - b = sec->rbuf; - b[pos++] = start; - - va_start(ap, start); - while (1) { - unsigned int ins = *p++; - unsigned int action = (ins >> 16) - 0xff00; - if (action >= DASM__MAX) { - ofs += 4; - } else { - int *pl, n = action >= DASM_REL_PC ? va_arg(ap, int) : 0; - switch (action) { - case DASM_STOP: goto stop; - case DASM_SECTION: - n = (ins & 255); CK(n < D->maxsection, RANGE_SEC); - D->section = &D->sections[n]; goto stop; - case DASM_ESC: p++; ofs += 4; break; - case DASM_REL_EXT: break; - case DASM_ALIGN: ofs += (ins & 255); b[pos++] = ofs; break; - case DASM_REL_LG: - n = (ins & 2047) - 10; pl = D->lglabels + n; - if (n >= 0) { CKPL(lg, LG); goto putrel; } /* Bkwd rel or global. */ - pl += 10; n = *pl; - if (n < 0) n = 0; /* Start new chain for fwd rel if label exists. */ - goto linkrel; - case DASM_REL_PC: - pl = D->pclabels + n; CKPL(pc, PC); - putrel: - n = *pl; - if (n < 0) { /* Label exists. Get label pos and store it. */ - b[pos] = -n; - } else { - linkrel: - b[pos] = n; /* Else link to rel chain, anchored at label. */ - *pl = pos; - } - pos++; - break; - case DASM_LABEL_LG: - pl = D->lglabels + (ins & 2047) - 10; CKPL(lg, LG); goto putlabel; - case DASM_LABEL_PC: - pl = D->pclabels + n; CKPL(pc, PC); - putlabel: - n = *pl; /* n > 0: Collapse rel chain and replace with label pos. */ - while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = pos; - } - *pl = -pos; /* Label exists now. */ - b[pos++] = ofs; /* Store pass1 offset estimate. */ - break; - case DASM_IMM: -#ifdef DASM_CHECKS - CK((n & ((1<<((ins>>10)&31))-1)) == 0, RANGE_I); -#endif - n >>= ((ins>>10)&31); -#ifdef DASM_CHECKS - if (ins & 0x8000) - CK(((n + (1<<(((ins>>5)&31)-1)))>>((ins>>5)&31)) == 0, RANGE_I); - else - CK((n>>((ins>>5)&31)) == 0, RANGE_I); -#endif - b[pos++] = n; - break; - } - } - } -stop: - va_end(ap); - sec->pos = pos; - sec->ofs = ofs; -} -#undef CK - -/* Pass 2: Link sections, shrink aligns, fix label offsets. */ -int dasm_link(Dst_DECL, size_t *szp) -{ - dasm_State *D = Dst_REF; - int secnum; - int ofs = 0; - -#ifdef DASM_CHECKS - *szp = 0; - if (D->status != DASM_S_OK) return D->status; - { - int pc; - for (pc = 0; pc*sizeof(int) < D->pcsize; pc++) - if (D->pclabels[pc] > 0) return DASM_S_UNDEF_PC|pc; - } -#endif - - { /* Handle globals not defined in this translation unit. */ - int idx; - for (idx = 20; idx*sizeof(int) < D->lgsize; idx++) { - int n = D->lglabels[idx]; - /* Undefined label: Collapse rel chain and replace with marker (< 0). */ - while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = -idx; } - } - } - - /* Combine all code sections. No support for data sections (yet). */ - for (secnum = 0; secnum < D->maxsection; secnum++) { - dasm_Section *sec = D->sections + secnum; - int *b = sec->rbuf; - int pos = DASM_SEC2POS(secnum); - int lastpos = sec->pos; - - while (pos != lastpos) { - dasm_ActList p = D->actionlist + b[pos++]; - while (1) { - unsigned int ins = *p++; - unsigned int action = (ins >> 16) - 0xff00; - switch (action) { - case DASM_STOP: case DASM_SECTION: goto stop; - case DASM_ESC: p++; break; - case DASM_REL_EXT: break; - case DASM_ALIGN: ofs -= (b[pos++] + ofs) & (ins & 255); break; - case DASM_REL_LG: case DASM_REL_PC: pos++; break; - case DASM_LABEL_LG: case DASM_LABEL_PC: b[pos++] += ofs; break; - case DASM_IMM: pos++; break; - } - } - stop: (void)0; - } - ofs += sec->ofs; /* Next section starts right after current section. */ - } - - D->codesize = ofs; /* Total size of all code sections */ - *szp = ofs; - return DASM_S_OK; -} - -#ifdef DASM_CHECKS -#define CK(x, st) \ - do { if (!(x)) return DASM_S_##st|(p-D->actionlist-1); } while (0) -#else -#define CK(x, st) ((void)0) -#endif - -/* Pass 3: Encode sections. */ -int dasm_encode(Dst_DECL, void *buffer) -{ - dasm_State *D = Dst_REF; - char *base = (char *)buffer; - unsigned int *cp = (unsigned int *)buffer; - int secnum; - - /* Encode all code sections. No support for data sections (yet). */ - for (secnum = 0; secnum < D->maxsection; secnum++) { - dasm_Section *sec = D->sections + secnum; - int *b = sec->buf; - int *endb = sec->rbuf + sec->pos; - - while (b != endb) { - dasm_ActList p = D->actionlist + *b++; - while (1) { - unsigned int ins = *p++; - unsigned int action = (ins >> 16) - 0xff00; - int n = (action >= DASM_ALIGN && action < DASM__MAX) ? *b++ : 0; - switch (action) { - case DASM_STOP: case DASM_SECTION: goto stop; - case DASM_ESC: *cp++ = *p++; break; - case DASM_REL_EXT: - n = DASM_EXTERN(Dst, (unsigned char *)cp, (ins & 2047), 1); - goto patchrel; - case DASM_ALIGN: - ins &= 255; while ((((char *)cp - base) & ins)) *cp++ = 0x60000000; - break; - case DASM_REL_LG: - CK(n >= 0, UNDEF_LG); - case DASM_REL_PC: - CK(n >= 0, UNDEF_PC); - n = *DASM_POS2PTR(D, n); - if (ins & 2048) - n = n - (int)((char *)cp - base); - else - n = (n + (int)base) & 0x0fffffff; - patchrel: - CK((n & 3) == 0 && - ((n + ((ins & 2048) ? 0x00020000 : 0)) >> - ((ins & 2048) ? 18 : 28)) == 0, RANGE_REL); - cp[-1] |= ((n>>2) & ((ins & 2048) ? 0x0000ffff: 0x03ffffff)); - break; - case DASM_LABEL_LG: - ins &= 2047; if (ins >= 20) D->globals[ins-10] = (void *)(base + n); - break; - case DASM_LABEL_PC: break; - case DASM_IMM: - cp[-1] |= (n & ((1<<((ins>>5)&31))-1)) << (ins&31); - break; - default: *cp++ = ins; break; - } - } - stop: (void)0; - } - } - - if (base + D->codesize != (char *)cp) /* Check for phase errors. */ - return DASM_S_PHASE; - return DASM_S_OK; -} -#undef CK - -/* Get PC label offset. */ -int dasm_getpclabel(Dst_DECL, unsigned int pc) -{ - dasm_State *D = Dst_REF; - if (pc*sizeof(int) < D->pcsize) { - int pos = D->pclabels[pc]; - if (pos < 0) return *DASM_POS2PTR(D, -pos); - if (pos > 0) return -1; /* Undefined. */ - } - return -2; /* Unused or out of range. */ -} - -#ifdef DASM_CHECKS -/* Optional sanity checker to call between isolated encoding steps. */ -int dasm_checkstep(Dst_DECL, int secmatch) -{ - dasm_State *D = Dst_REF; - if (D->status == DASM_S_OK) { - int i; - for (i = 1; i <= 9; i++) { - if (D->lglabels[i] > 0) { D->status = DASM_S_UNDEF_LG|i; break; } - D->lglabels[i] = 0; - } - } - if (D->status == DASM_S_OK && secmatch >= 0 && - D->section != &D->sections[secmatch]) - D->status = DASM_S_MATCH_SEC|(D->section-D->sections); - return D->status; -} -#endif - diff --git a/libraries/luajit-2.0/dynasm/dasm_mips.lua b/libraries/luajit-2.0/dynasm/dasm_mips.lua deleted file mode 100644 index 5cbae8b..0000000 --- a/libraries/luajit-2.0/dynasm/dasm_mips.lua +++ /dev/null @@ -1,948 +0,0 @@ ------------------------------------------------------------------------------- --- DynASM MIPS module. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- See dynasm.lua for full copyright notice. ------------------------------------------------------------------------------- - --- Module information: -local _info = { - arch = "mips", - description = "DynASM MIPS module", - version = "1.3.0", - vernum = 10300, - release = "2011-12-16", - author = "Mike Pall", - license = "MIT", -} - --- Exported glue functions for the arch-specific module. -local _M = { _info = _info } - --- Cache library functions. -local type, tonumber, pairs, ipairs = type, tonumber, pairs, ipairs -local assert, setmetatable = assert, setmetatable -local _s = string -local sub, format, byte, char = _s.sub, _s.format, _s.byte, _s.char -local match, gmatch = _s.match, _s.gmatch -local concat, sort = table.concat, table.sort - --- Inherited tables and callbacks. -local g_opt, g_arch -local wline, werror, wfatal, wwarn - --- Action name list. --- CHECK: Keep this in sync with the C code! -local action_names = { - "STOP", "SECTION", "ESC", "REL_EXT", - "ALIGN", "REL_LG", "LABEL_LG", - "REL_PC", "LABEL_PC", "IMM", -} - --- Maximum number of section buffer positions for dasm_put(). --- CHECK: Keep this in sync with the C code! -local maxsecpos = 25 -- Keep this low, to avoid excessively long C lines. - --- Action name -> action number. -local map_action = {} -for n,name in ipairs(action_names) do - map_action[name] = n-1 -end - --- Action list buffer. -local actlist = {} - --- Argument list for next dasm_put(). Start with offset 0 into action list. -local actargs = { 0 } - --- Current number of section buffer positions for dasm_put(). -local secpos = 1 - ------------------------------------------------------------------------------- - --- Return 8 digit hex number. -local function tohex(x) - return sub(format("%08x", x), -8) -- Avoid 64 bit portability problem in Lua. -end - --- Dump action names and numbers. -local function dumpactions(out) - out:write("DynASM encoding engine action codes:\n") - for n,name in ipairs(action_names) do - local num = map_action[name] - out:write(format(" %-10s %02X %d\n", name, num, num)) - end - out:write("\n") -end - --- Write action list buffer as a huge static C array. -local function writeactions(out, name) - local nn = #actlist - if nn == 0 then nn = 1; actlist[0] = map_action.STOP end - out:write("static const unsigned int ", name, "[", nn, "] = {\n") - for i = 1,nn-1 do - assert(out:write("0x", tohex(actlist[i]), ",\n")) - end - assert(out:write("0x", tohex(actlist[nn]), "\n};\n\n")) -end - ------------------------------------------------------------------------------- - --- Add word to action list. -local function wputxw(n) - assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") - actlist[#actlist+1] = n -end - --- Add action to list with optional arg. Advance buffer pos, too. -local function waction(action, val, a, num) - local w = assert(map_action[action], "bad action name `"..action.."'") - wputxw(0xff000000 + w * 0x10000 + (val or 0)) - if a then actargs[#actargs+1] = a end - if a or num then secpos = secpos + (num or 1) end -end - --- Flush action list (intervening C code or buffer pos overflow). -local function wflush(term) - if #actlist == actargs[1] then return end -- Nothing to flush. - if not term then waction("STOP") end -- Terminate action list. - wline(format("dasm_put(Dst, %s);", concat(actargs, ", ")), true) - actargs = { #actlist } -- Actionlist offset is 1st arg to next dasm_put(). - secpos = 1 -- The actionlist offset occupies a buffer position, too. -end - --- Put escaped word. -local function wputw(n) - if n >= 0xff000000 then waction("ESC") end - wputxw(n) -end - --- Reserve position for word. -local function wpos() - local pos = #actlist+1 - actlist[pos] = "" - return pos -end - --- Store word to reserved position. -local function wputpos(pos, n) - assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") - actlist[pos] = n -end - ------------------------------------------------------------------------------- - --- Global label name -> global label number. With auto assignment on 1st use. -local next_global = 20 -local map_global = setmetatable({}, { __index = function(t, name) - if not match(name, "^[%a_][%w_]*$") then werror("bad global label") end - local n = next_global - if n > 2047 then werror("too many global labels") end - next_global = n + 1 - t[name] = n - return n -end}) - --- Dump global labels. -local function dumpglobals(out, lvl) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("Global labels:\n") - for i=20,next_global-1 do - out:write(format(" %s\n", t[i])) - end - out:write("\n") -end - --- Write global label enum. -local function writeglobals(out, prefix) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("enum {\n") - for i=20,next_global-1 do - out:write(" ", prefix, t[i], ",\n") - end - out:write(" ", prefix, "_MAX\n};\n") -end - --- Write global label names. -local function writeglobalnames(out, name) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("static const char *const ", name, "[] = {\n") - for i=20,next_global-1 do - out:write(" \"", t[i], "\",\n") - end - out:write(" (const char *)0\n};\n") -end - ------------------------------------------------------------------------------- - --- Extern label name -> extern label number. With auto assignment on 1st use. -local next_extern = 0 -local map_extern_ = {} -local map_extern = setmetatable({}, { __index = function(t, name) - -- No restrictions on the name for now. - local n = next_extern - if n > 2047 then werror("too many extern labels") end - next_extern = n + 1 - t[name] = n - map_extern_[n] = name - return n -end}) - --- Dump extern labels. -local function dumpexterns(out, lvl) - out:write("Extern labels:\n") - for i=0,next_extern-1 do - out:write(format(" %s\n", map_extern_[i])) - end - out:write("\n") -end - --- Write extern label names. -local function writeexternnames(out, name) - out:write("static const char *const ", name, "[] = {\n") - for i=0,next_extern-1 do - out:write(" \"", map_extern_[i], "\",\n") - end - out:write(" (const char *)0\n};\n") -end - ------------------------------------------------------------------------------- - --- Arch-specific maps. -local map_archdef = { sp="r29", ra="r31" } -- Ext. register name -> int. name. - -local map_type = {} -- Type name -> { ctype, reg } -local ctypenum = 0 -- Type number (for Dt... macros). - --- Reverse defines for registers. -function _M.revdef(s) - if s == "r29" then return "sp" - elseif s == "r31" then return "ra" end - return s -end - ------------------------------------------------------------------------------- - --- Template strings for MIPS instructions. -local map_op = { - -- First-level opcodes. - j_1 = "08000000J", - jal_1 = "0c000000J", - b_1 = "10000000B", - beqz_2 = "10000000SB", - beq_3 = "10000000STB", - bnez_2 = "14000000SB", - bne_3 = "14000000STB", - blez_2 = "18000000SB", - bgtz_2 = "1c000000SB", - addi_3 = "20000000TSI", - li_2 = "24000000TI", - addiu_3 = "24000000TSI", - slti_3 = "28000000TSI", - sltiu_3 = "2c000000TSI", - andi_3 = "30000000TSU", - lu_2 = "34000000TU", - ori_3 = "34000000TSU", - xori_3 = "38000000TSU", - lui_2 = "3c000000TU", - beqzl_2 = "50000000SB", - beql_3 = "50000000STB", - bnezl_2 = "54000000SB", - bnel_3 = "54000000STB", - blezl_2 = "58000000SB", - bgtzl_2 = "5c000000SB", - lb_2 = "80000000TO", - lh_2 = "84000000TO", - lwl_2 = "88000000TO", - lw_2 = "8c000000TO", - lbu_2 = "90000000TO", - lhu_2 = "94000000TO", - lwr_2 = "98000000TO", - sb_2 = "a0000000TO", - sh_2 = "a4000000TO", - swl_2 = "a8000000TO", - sw_2 = "ac000000TO", - swr_2 = "b8000000TO", - cache_2 = "bc000000NO", - ll_2 = "c0000000TO", - lwc1_2 = "c4000000HO", - pref_2 = "cc000000NO", - ldc1_2 = "d4000000HO", - sc_2 = "e0000000TO", - swc1_2 = "e4000000HO", - sdc1_2 = "f4000000HO", - - -- Opcode SPECIAL. - nop_0 = "00000000", - sll_3 = "00000000DTA", - movf_3 = "00000001DSC", - movt_3 = "00010001DSC", - srl_3 = "00000002DTA", - rotr_3 = "00200002DTA", - sra_3 = "00000003DTA", - sllv_3 = "00000004DTS", - srlv_3 = "00000006DTS", - rotrv_3 = "00000046DTS", - srav_3 = "00000007DTS", - jr_1 = "00000008S", - jalr_1 = "0000f809S", - jalr_2 = "00000009DS", - movz_3 = "0000000aDST", - movn_3 = "0000000bDST", - syscall_0 = "0000000c", - syscall_1 = "0000000cY", - break_0 = "0000000d", - break_1 = "0000000dY", - sync_0 = "0000000f", - mfhi_1 = "00000010D", - mthi_1 = "00000011S", - mflo_1 = "00000012D", - mtlo_1 = "00000013S", - mult_2 = "00000018ST", - multu_2 = "00000019ST", - div_2 = "0000001aST", - divu_2 = "0000001bST", - add_3 = "00000020DST", - move_2 = "00000021DS", - addu_3 = "00000021DST", - sub_3 = "00000022DST", - subu_3 = "00000023DST", - and_3 = "00000024DST", - or_3 = "00000025DST", - xor_3 = "00000026DST", - nor_3 = "00000027DST", - slt_3 = "0000002aDST", - sltu_3 = "0000002bDST", - tge_2 = "00000030ST", - tge_3 = "00000030STZ", - tgeu_2 = "00000031ST", - tgeu_3 = "00000031STZ", - tlt_2 = "00000032ST", - tlt_3 = "00000032STZ", - tltu_2 = "00000033ST", - tltu_3 = "00000033STZ", - teq_2 = "00000034ST", - teq_3 = "00000034STZ", - tne_2 = "00000036ST", - tne_3 = "00000036STZ", - - -- Opcode REGIMM. - bltz_2 = "04000000SB", - bgez_2 = "04010000SB", - bltzl_2 = "04020000SB", - bgezl_2 = "04030000SB", - tgei_2 = "04080000SI", - tgeiu_2 = "04090000SI", - tlti_2 = "040a0000SI", - tltiu_2 = "040b0000SI", - teqi_2 = "040c0000SI", - tnei_2 = "040e0000SI", - bltzal_2 = "04100000SB", - bgezal_2 = "04110000SB", - bltzall_2 = "04120000SB", - bgezall_2 = "04130000SB", - synci_1 = "041f0000O", - - -- Opcode SPECIAL2. - madd_2 = "70000000ST", - maddu_2 = "70000001ST", - mul_3 = "70000002DST", - msub_2 = "70000004ST", - msubu_2 = "70000005ST", - clz_2 = "70000020DS=", - clo_2 = "70000021DS=", - sdbbp_0 = "7000003f", - sdbbp_1 = "7000003fY", - - -- Opcode SPECIAL3. - ext_4 = "7c000000TSAM", -- Note: last arg is msbd = size-1 - ins_4 = "7c000004TSAM", -- Note: last arg is msb = pos+size-1 - wsbh_2 = "7c0000a0DT", - seb_2 = "7c000420DT", - seh_2 = "7c000620DT", - rdhwr_2 = "7c00003bTD", - - -- Opcode COP0. - mfc0_2 = "40000000TD", - mfc0_3 = "40000000TDW", - mtc0_2 = "40800000TD", - mtc0_3 = "40800000TDW", - rdpgpr_2 = "41400000DT", - di_0 = "41606000", - di_1 = "41606000T", - ei_0 = "41606020", - ei_1 = "41606020T", - wrpgpr_2 = "41c00000DT", - tlbr_0 = "42000001", - tlbwi_0 = "42000002", - tlbwr_0 = "42000006", - tlbp_0 = "42000008", - eret_0 = "42000018", - deret_0 = "4200001f", - wait_0 = "42000020", - - -- Opcode COP1. - mfc1_2 = "44000000TG", - cfc1_2 = "44400000TG", - mfhc1_2 = "44600000TG", - mtc1_2 = "44800000TG", - ctc1_2 = "44c00000TG", - mthc1_2 = "44e00000TG", - - bc1f_1 = "45000000B", - bc1f_2 = "45000000CB", - bc1t_1 = "45010000B", - bc1t_2 = "45010000CB", - bc1fl_1 = "45020000B", - bc1fl_2 = "45020000CB", - bc1tl_1 = "45030000B", - bc1tl_2 = "45030000CB", - - ["add.s_3"] = "46000000FGH", - ["sub.s_3"] = "46000001FGH", - ["mul.s_3"] = "46000002FGH", - ["div.s_3"] = "46000003FGH", - ["sqrt.s_2"] = "46000004FG", - ["abs.s_2"] = "46000005FG", - ["mov.s_2"] = "46000006FG", - ["neg.s_2"] = "46000007FG", - ["round.l.s_2"] = "46000008FG", - ["trunc.l.s_2"] = "46000009FG", - ["ceil.l.s_2"] = "4600000aFG", - ["floor.l.s_2"] = "4600000bFG", - ["round.w.s_2"] = "4600000cFG", - ["trunc.w.s_2"] = "4600000dFG", - ["ceil.w.s_2"] = "4600000eFG", - ["floor.w.s_2"] = "4600000fFG", - ["movf.s_2"] = "46000011FG", - ["movf.s_3"] = "46000011FGC", - ["movt.s_2"] = "46010011FG", - ["movt.s_3"] = "46010011FGC", - ["movz.s_3"] = "46000012FGT", - ["movn.s_3"] = "46000013FGT", - ["recip.s_2"] = "46000015FG", - ["rsqrt.s_2"] = "46000016FG", - ["cvt.d.s_2"] = "46000021FG", - ["cvt.w.s_2"] = "46000024FG", - ["cvt.l.s_2"] = "46000025FG", - ["cvt.ps.s_3"] = "46000026FGH", - ["c.f.s_2"] = "46000030GH", - ["c.f.s_3"] = "46000030VGH", - ["c.un.s_2"] = "46000031GH", - ["c.un.s_3"] = "46000031VGH", - ["c.eq.s_2"] = "46000032GH", - ["c.eq.s_3"] = "46000032VGH", - ["c.ueq.s_2"] = "46000033GH", - ["c.ueq.s_3"] = "46000033VGH", - ["c.olt.s_2"] = "46000034GH", - ["c.olt.s_3"] = "46000034VGH", - ["c.ult.s_2"] = "46000035GH", - ["c.ult.s_3"] = "46000035VGH", - ["c.ole.s_2"] = "46000036GH", - ["c.ole.s_3"] = "46000036VGH", - ["c.ule.s_2"] = "46000037GH", - ["c.ule.s_3"] = "46000037VGH", - ["c.sf.s_2"] = "46000038GH", - ["c.sf.s_3"] = "46000038VGH", - ["c.ngle.s_2"] = "46000039GH", - ["c.ngle.s_3"] = "46000039VGH", - ["c.seq.s_2"] = "4600003aGH", - ["c.seq.s_3"] = "4600003aVGH", - ["c.ngl.s_2"] = "4600003bGH", - ["c.ngl.s_3"] = "4600003bVGH", - ["c.lt.s_2"] = "4600003cGH", - ["c.lt.s_3"] = "4600003cVGH", - ["c.nge.s_2"] = "4600003dGH", - ["c.nge.s_3"] = "4600003dVGH", - ["c.le.s_2"] = "4600003eGH", - ["c.le.s_3"] = "4600003eVGH", - ["c.ngt.s_2"] = "4600003fGH", - ["c.ngt.s_3"] = "4600003fVGH", - - ["add.d_3"] = "46200000FGH", - ["sub.d_3"] = "46200001FGH", - ["mul.d_3"] = "46200002FGH", - ["div.d_3"] = "46200003FGH", - ["sqrt.d_2"] = "46200004FG", - ["abs.d_2"] = "46200005FG", - ["mov.d_2"] = "46200006FG", - ["neg.d_2"] = "46200007FG", - ["round.l.d_2"] = "46200008FG", - ["trunc.l.d_2"] = "46200009FG", - ["ceil.l.d_2"] = "4620000aFG", - ["floor.l.d_2"] = "4620000bFG", - ["round.w.d_2"] = "4620000cFG", - ["trunc.w.d_2"] = "4620000dFG", - ["ceil.w.d_2"] = "4620000eFG", - ["floor.w.d_2"] = "4620000fFG", - ["movf.d_2"] = "46200011FG", - ["movf.d_3"] = "46200011FGC", - ["movt.d_2"] = "46210011FG", - ["movt.d_3"] = "46210011FGC", - ["movz.d_3"] = "46200012FGT", - ["movn.d_3"] = "46200013FGT", - ["recip.d_2"] = "46200015FG", - ["rsqrt.d_2"] = "46200016FG", - ["cvt.s.d_2"] = "46200020FG", - ["cvt.w.d_2"] = "46200024FG", - ["cvt.l.d_2"] = "46200025FG", - ["c.f.d_2"] = "46200030GH", - ["c.f.d_3"] = "46200030VGH", - ["c.un.d_2"] = "46200031GH", - ["c.un.d_3"] = "46200031VGH", - ["c.eq.d_2"] = "46200032GH", - ["c.eq.d_3"] = "46200032VGH", - ["c.ueq.d_2"] = "46200033GH", - ["c.ueq.d_3"] = "46200033VGH", - ["c.olt.d_2"] = "46200034GH", - ["c.olt.d_3"] = "46200034VGH", - ["c.ult.d_2"] = "46200035GH", - ["c.ult.d_3"] = "46200035VGH", - ["c.ole.d_2"] = "46200036GH", - ["c.ole.d_3"] = "46200036VGH", - ["c.ule.d_2"] = "46200037GH", - ["c.ule.d_3"] = "46200037VGH", - ["c.sf.d_2"] = "46200038GH", - ["c.sf.d_3"] = "46200038VGH", - ["c.ngle.d_2"] = "46200039GH", - ["c.ngle.d_3"] = "46200039VGH", - ["c.seq.d_2"] = "4620003aGH", - ["c.seq.d_3"] = "4620003aVGH", - ["c.ngl.d_2"] = "4620003bGH", - ["c.ngl.d_3"] = "4620003bVGH", - ["c.lt.d_2"] = "4620003cGH", - ["c.lt.d_3"] = "4620003cVGH", - ["c.nge.d_2"] = "4620003dGH", - ["c.nge.d_3"] = "4620003dVGH", - ["c.le.d_2"] = "4620003eGH", - ["c.le.d_3"] = "4620003eVGH", - ["c.ngt.d_2"] = "4620003fGH", - ["c.ngt.d_3"] = "4620003fVGH", - - ["add.ps_3"] = "46c00000FGH", - ["sub.ps_3"] = "46c00001FGH", - ["mul.ps_3"] = "46c00002FGH", - ["abs.ps_2"] = "46c00005FG", - ["mov.ps_2"] = "46c00006FG", - ["neg.ps_2"] = "46c00007FG", - ["movf.ps_2"] = "46c00011FG", - ["movf.ps_3"] = "46c00011FGC", - ["movt.ps_2"] = "46c10011FG", - ["movt.ps_3"] = "46c10011FGC", - ["movz.ps_3"] = "46c00012FGT", - ["movn.ps_3"] = "46c00013FGT", - ["cvt.s.pu_2"] = "46c00020FG", - ["cvt.s.pl_2"] = "46c00028FG", - ["pll.ps_3"] = "46c0002cFGH", - ["plu.ps_3"] = "46c0002dFGH", - ["pul.ps_3"] = "46c0002eFGH", - ["puu.ps_3"] = "46c0002fFGH", - ["c.f.ps_2"] = "46c00030GH", - ["c.f.ps_3"] = "46c00030VGH", - ["c.un.ps_2"] = "46c00031GH", - ["c.un.ps_3"] = "46c00031VGH", - ["c.eq.ps_2"] = "46c00032GH", - ["c.eq.ps_3"] = "46c00032VGH", - ["c.ueq.ps_2"] = "46c00033GH", - ["c.ueq.ps_3"] = "46c00033VGH", - ["c.olt.ps_2"] = "46c00034GH", - ["c.olt.ps_3"] = "46c00034VGH", - ["c.ult.ps_2"] = "46c00035GH", - ["c.ult.ps_3"] = "46c00035VGH", - ["c.ole.ps_2"] = "46c00036GH", - ["c.ole.ps_3"] = "46c00036VGH", - ["c.ule.ps_2"] = "46c00037GH", - ["c.ule.ps_3"] = "46c00037VGH", - ["c.sf.ps_2"] = "46c00038GH", - ["c.sf.ps_3"] = "46c00038VGH", - ["c.ngle.ps_2"] = "46c00039GH", - ["c.ngle.ps_3"] = "46c00039VGH", - ["c.seq.ps_2"] = "46c0003aGH", - ["c.seq.ps_3"] = "46c0003aVGH", - ["c.ngl.ps_2"] = "46c0003bGH", - ["c.ngl.ps_3"] = "46c0003bVGH", - ["c.lt.ps_2"] = "46c0003cGH", - ["c.lt.ps_3"] = "46c0003cVGH", - ["c.nge.ps_2"] = "46c0003dGH", - ["c.nge.ps_3"] = "46c0003dVGH", - ["c.le.ps_2"] = "46c0003eGH", - ["c.le.ps_3"] = "46c0003eVGH", - ["c.ngt.ps_2"] = "46c0003fGH", - ["c.ngt.ps_3"] = "46c0003fVGH", - - ["cvt.s.w_2"] = "46800020FG", - ["cvt.d.w_2"] = "46800021FG", - - ["cvt.s.l_2"] = "46a00020FG", - ["cvt.d.l_2"] = "46a00021FG", - - -- Opcode COP1X. - lwxc1_2 = "4c000000FX", - ldxc1_2 = "4c000001FX", - luxc1_2 = "4c000005FX", - swxc1_2 = "4c000008FX", - sdxc1_2 = "4c000009FX", - suxc1_2 = "4c00000dFX", - prefx_2 = "4c00000fMX", - ["alnv.ps_4"] = "4c00001eFGHS", - ["madd.s_4"] = "4c000020FRGH", - ["madd.d_4"] = "4c000021FRGH", - ["madd.ps_4"] = "4c000026FRGH", - ["msub.s_4"] = "4c000028FRGH", - ["msub.d_4"] = "4c000029FRGH", - ["msub.ps_4"] = "4c00002eFRGH", - ["nmadd.s_4"] = "4c000030FRGH", - ["nmadd.d_4"] = "4c000031FRGH", - ["nmadd.ps_4"] = "4c000036FRGH", - ["nmsub.s_4"] = "4c000038FRGH", - ["nmsub.d_4"] = "4c000039FRGH", - ["nmsub.ps_4"] = "4c00003eFRGH", -} - ------------------------------------------------------------------------------- - -local function parse_gpr(expr) - local tname, ovreg = match(expr, "^([%w_]+):(r[1-3]?[0-9])$") - local tp = map_type[tname or expr] - if tp then - local reg = ovreg or tp.reg - if not reg then - werror("type `"..(tname or expr).."' needs a register override") - end - expr = reg - end - local r = match(expr, "^r([1-3]?[0-9])$") - if r then - r = tonumber(r) - if r <= 31 then return r, tp end - end - werror("bad register name `"..expr.."'") -end - -local function parse_fpr(expr) - local r = match(expr, "^f([1-3]?[0-9])$") - if r then - r = tonumber(r) - if r <= 31 then return r end - end - werror("bad register name `"..expr.."'") -end - -local function parse_imm(imm, bits, shift, scale, signed) - local n = tonumber(imm) - if n then - if n % 2^scale == 0 then - n = n / 2^scale - if signed then - if n >= 0 then - if n < 2^(bits-1) then return n*2^shift end - else - if n >= -(2^(bits-1))-1 then return (n+2^bits)*2^shift end - end - else - if n >= 0 and n <= 2^bits-1 then return n*2^shift end - end - end - werror("out of range immediate `"..imm.."'") - elseif match(imm, "^[rf]([1-3]?[0-9])$") or - match(imm, "^([%w_]+):([rf][1-3]?[0-9])$") then - werror("expected immediate operand, got register") - else - waction("IMM", (signed and 32768 or 0)+scale*1024+bits*32+shift, imm) - return 0 - end -end - -local function parse_disp(disp) - local imm, reg = match(disp, "^(.*)%(([%w_:]+)%)$") - if imm then - local r = parse_gpr(reg) - return r*2^21 + parse_imm(imm, 16, 0, 0, true) - end - local reg, tailr = match(disp, "^([%w_:]+)%s*(.*)$") - if reg and tailr ~= "" then - local r, tp = parse_gpr(reg) - if tp then - waction("IMM", 32768+16*32, format(tp.ctypefmt, tailr)) - return r*2^21 - end - end - werror("bad displacement `"..disp.."'") -end - -local function parse_index(idx) - local rt, rs = match(idx, "^(.*)%(([%w_:]+)%)$") - if rt then - rt = parse_gpr(rt) - rs = parse_gpr(rs) - return rt*2^16 + rs*2^21 - end - werror("bad index `"..idx.."'") -end - -local function parse_label(label, def) - local prefix = sub(label, 1, 2) - -- =>label (pc label reference) - if prefix == "=>" then - return "PC", 0, sub(label, 3) - end - -- ->name (global label reference) - if prefix == "->" then - return "LG", map_global[sub(label, 3)] - end - if def then - -- [1-9] (local label definition) - if match(label, "^[1-9]$") then - return "LG", 10+tonumber(label) - end - else - -- [<>][1-9] (local label reference) - local dir, lnum = match(label, "^([<>])([1-9])$") - if dir then -- Fwd: 1-9, Bkwd: 11-19. - return "LG", lnum + (dir == ">" and 0 or 10) - end - -- extern label (extern label reference) - local extname = match(label, "^extern%s+(%S+)$") - if extname then - return "EXT", map_extern[extname] - end - end - werror("bad label `"..label.."'") -end - ------------------------------------------------------------------------------- - --- Handle opcodes defined with template strings. -map_op[".template__"] = function(params, template, nparams) - if not params then return sub(template, 9) end - local op = tonumber(sub(template, 1, 8), 16) - local n = 1 - - -- Limit number of section buffer positions used by a single dasm_put(). - -- A single opcode needs a maximum of 2 positions (ins/ext). - if secpos+2 > maxsecpos then wflush() end - local pos = wpos() - - -- Process each character. - for p in gmatch(sub(template, 9), ".") do - if p == "D" then - op = op + parse_gpr(params[n]) * 2^11; n = n + 1 - elseif p == "T" then - op = op + parse_gpr(params[n]) * 2^16; n = n + 1 - elseif p == "S" then - op = op + parse_gpr(params[n]) * 2^21; n = n + 1 - elseif p == "F" then - op = op + parse_fpr(params[n]) * 2^6; n = n + 1 - elseif p == "G" then - op = op + parse_fpr(params[n]) * 2^11; n = n + 1 - elseif p == "H" then - op = op + parse_fpr(params[n]) * 2^16; n = n + 1 - elseif p == "R" then - op = op + parse_fpr(params[n]) * 2^21; n = n + 1 - elseif p == "I" then - op = op + parse_imm(params[n], 16, 0, 0, true); n = n + 1 - elseif p == "U" then - op = op + parse_imm(params[n], 16, 0, 0, false); n = n + 1 - elseif p == "O" then - op = op + parse_disp(params[n]); n = n + 1 - elseif p == "X" then - op = op + parse_index(params[n]); n = n + 1 - elseif p == "B" or p == "J" then - local mode, n, s = parse_label(params[n], false) - if p == "B" then n = n + 2048 end - waction("REL_"..mode, n, s, 1) - n = n + 1 - elseif p == "A" then - op = op + parse_imm(params[n], 5, 6, 0, false); n = n + 1 - elseif p == "M" then - op = op + parse_imm(params[n], 5, 11, 0, false); n = n + 1 - elseif p == "N" then - op = op + parse_imm(params[n], 5, 16, 0, false); n = n + 1 - elseif p == "C" then - op = op + parse_imm(params[n], 3, 18, 0, false); n = n + 1 - elseif p == "V" then - op = op + parse_imm(params[n], 3, 8, 0, false); n = n + 1 - elseif p == "W" then - op = op + parse_imm(params[n], 3, 0, 0, false); n = n + 1 - elseif p == "Y" then - op = op + parse_imm(params[n], 20, 6, 0, false); n = n + 1 - elseif p == "Z" then - op = op + parse_imm(params[n], 10, 6, 0, false); n = n + 1 - elseif p == "=" then - local d = ((op - op % 2^11) / 2^11) % 32 - op = op + d * 2^16 -- Copy D to T for clz, clo. - else - assert(false) - end - end - wputpos(pos, op) -end - ------------------------------------------------------------------------------- - --- Pseudo-opcode to mark the position where the action list is to be emitted. -map_op[".actionlist_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeactions(out, name) end) -end - --- Pseudo-opcode to mark the position where the global enum is to be emitted. -map_op[".globals_1"] = function(params) - if not params then return "prefix" end - local prefix = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeglobals(out, prefix) end) -end - --- Pseudo-opcode to mark the position where the global names are to be emitted. -map_op[".globalnames_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeglobalnames(out, name) end) -end - --- Pseudo-opcode to mark the position where the extern names are to be emitted. -map_op[".externnames_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeexternnames(out, name) end) -end - ------------------------------------------------------------------------------- - --- Label pseudo-opcode (converted from trailing colon form). -map_op[".label_1"] = function(params) - if not params then return "[1-9] | ->global | =>pcexpr" end - if secpos+1 > maxsecpos then wflush() end - local mode, n, s = parse_label(params[1], true) - if mode == "EXT" then werror("bad label definition") end - waction("LABEL_"..mode, n, s, 1) -end - ------------------------------------------------------------------------------- - --- Pseudo-opcodes for data storage. -map_op[".long_*"] = function(params) - if not params then return "imm..." end - for _,p in ipairs(params) do - local n = tonumber(p) - if not n then werror("bad immediate `"..p.."'") end - if n < 0 then n = n + 2^32 end - wputw(n) - if secpos+2 > maxsecpos then wflush() end - end -end - --- Alignment pseudo-opcode. -map_op[".align_1"] = function(params) - if not params then return "numpow2" end - if secpos+1 > maxsecpos then wflush() end - local align = tonumber(params[1]) - if align then - local x = align - -- Must be a power of 2 in the range (2 ... 256). - for i=1,8 do - x = x / 2 - if x == 1 then - waction("ALIGN", align-1, nil, 1) -- Action byte is 2**n-1. - return - end - end - end - werror("bad alignment") -end - ------------------------------------------------------------------------------- - --- Pseudo-opcode for (primitive) type definitions (map to C types). -map_op[".type_3"] = function(params, nparams) - if not params then - return nparams == 2 and "name, ctype" or "name, ctype, reg" - end - local name, ctype, reg = params[1], params[2], params[3] - if not match(name, "^[%a_][%w_]*$") then - werror("bad type name `"..name.."'") - end - local tp = map_type[name] - if tp then - werror("duplicate type `"..name.."'") - end - -- Add #type to defines. A bit unclean to put it in map_archdef. - map_archdef["#"..name] = "sizeof("..ctype..")" - -- Add new type and emit shortcut define. - local num = ctypenum + 1 - map_type[name] = { - ctype = ctype, - ctypefmt = format("Dt%X(%%s)", num), - reg = reg, - } - wline(format("#define Dt%X(_V) (int)(ptrdiff_t)&(((%s *)0)_V)", num, ctype)) - ctypenum = num -end -map_op[".type_2"] = map_op[".type_3"] - --- Dump type definitions. -local function dumptypes(out, lvl) - local t = {} - for name in pairs(map_type) do t[#t+1] = name end - sort(t) - out:write("Type definitions:\n") - for _,name in ipairs(t) do - local tp = map_type[name] - local reg = tp.reg or "" - out:write(format(" %-20s %-20s %s\n", name, tp.ctype, reg)) - end - out:write("\n") -end - ------------------------------------------------------------------------------- - --- Set the current section. -function _M.section(num) - waction("SECTION", num) - wflush(true) -- SECTION is a terminal action. -end - ------------------------------------------------------------------------------- - --- Dump architecture description. -function _M.dumparch(out) - out:write(format("DynASM %s version %s, released %s\n\n", - _info.arch, _info.version, _info.release)) - dumpactions(out) -end - --- Dump all user defined elements. -function _M.dumpdef(out, lvl) - dumptypes(out, lvl) - dumpglobals(out, lvl) - dumpexterns(out, lvl) -end - ------------------------------------------------------------------------------- - --- Pass callbacks from/to the DynASM core. -function _M.passcb(wl, we, wf, ww) - wline, werror, wfatal, wwarn = wl, we, wf, ww - return wflush -end - --- Setup the arch-specific module. -function _M.setup(arch, opt) - g_arch, g_opt = arch, opt -end - --- Merge the core maps and the arch-specific maps. -function _M.mergemaps(map_coreop, map_def) - setmetatable(map_op, { __index = map_coreop }) - setmetatable(map_def, { __index = map_archdef }) - return map_op, map_def -end - -return _M - ------------------------------------------------------------------------------- - diff --git a/libraries/luajit-2.0/dynasm/dasm_ppc.h b/libraries/luajit-2.0/dynasm/dasm_ppc.h deleted file mode 100644 index 645e060..0000000 --- a/libraries/luajit-2.0/dynasm/dasm_ppc.h +++ /dev/null @@ -1,411 +0,0 @@ -/* -** DynASM PPC encoding engine. -** Copyright (C) 2005-2011 Mike Pall. All rights reserved. -** Released under the MIT license. See dynasm.lua for full copyright notice. -*/ - -#include -#include -#include -#include - -#define DASM_ARCH "ppc" - -#ifndef DASM_EXTERN -#define DASM_EXTERN(a,b,c,d) 0 -#endif - -/* Action definitions. */ -enum { - DASM_STOP, DASM_SECTION, DASM_ESC, DASM_REL_EXT, - /* The following actions need a buffer position. */ - DASM_ALIGN, DASM_REL_LG, DASM_LABEL_LG, - /* The following actions also have an argument. */ - DASM_REL_PC, DASM_LABEL_PC, DASM_IMM, - DASM__MAX -}; - -/* Maximum number of section buffer positions for a single dasm_put() call. */ -#define DASM_MAXSECPOS 25 - -/* DynASM encoder status codes. Action list offset or number are or'ed in. */ -#define DASM_S_OK 0x00000000 -#define DASM_S_NOMEM 0x01000000 -#define DASM_S_PHASE 0x02000000 -#define DASM_S_MATCH_SEC 0x03000000 -#define DASM_S_RANGE_I 0x11000000 -#define DASM_S_RANGE_SEC 0x12000000 -#define DASM_S_RANGE_LG 0x13000000 -#define DASM_S_RANGE_PC 0x14000000 -#define DASM_S_RANGE_REL 0x15000000 -#define DASM_S_UNDEF_LG 0x21000000 -#define DASM_S_UNDEF_PC 0x22000000 - -/* Macros to convert positions (8 bit section + 24 bit index). */ -#define DASM_POS2IDX(pos) ((pos)&0x00ffffff) -#define DASM_POS2BIAS(pos) ((pos)&0xff000000) -#define DASM_SEC2POS(sec) ((sec)<<24) -#define DASM_POS2SEC(pos) ((pos)>>24) -#define DASM_POS2PTR(D, pos) (D->sections[DASM_POS2SEC(pos)].rbuf + (pos)) - -/* Action list type. */ -typedef const unsigned int *dasm_ActList; - -/* Per-section structure. */ -typedef struct dasm_Section { - int *rbuf; /* Biased buffer pointer (negative section bias). */ - int *buf; /* True buffer pointer. */ - size_t bsize; /* Buffer size in bytes. */ - int pos; /* Biased buffer position. */ - int epos; /* End of biased buffer position - max single put. */ - int ofs; /* Byte offset into section. */ -} dasm_Section; - -/* Core structure holding the DynASM encoding state. */ -struct dasm_State { - size_t psize; /* Allocated size of this structure. */ - dasm_ActList actionlist; /* Current actionlist pointer. */ - int *lglabels; /* Local/global chain/pos ptrs. */ - size_t lgsize; - int *pclabels; /* PC label chains/pos ptrs. */ - size_t pcsize; - void **globals; /* Array of globals (bias -10). */ - dasm_Section *section; /* Pointer to active section. */ - size_t codesize; /* Total size of all code sections. */ - int maxsection; /* 0 <= sectionidx < maxsection. */ - int status; /* Status code. */ - dasm_Section sections[1]; /* All sections. Alloc-extended. */ -}; - -/* The size of the core structure depends on the max. number of sections. */ -#define DASM_PSZ(ms) (sizeof(dasm_State)+(ms-1)*sizeof(dasm_Section)) - - -/* Initialize DynASM state. */ -void dasm_init(Dst_DECL, int maxsection) -{ - dasm_State *D; - size_t psz = 0; - int i; - Dst_REF = NULL; - DASM_M_GROW(Dst, struct dasm_State, Dst_REF, psz, DASM_PSZ(maxsection)); - D = Dst_REF; - D->psize = psz; - D->lglabels = NULL; - D->lgsize = 0; - D->pclabels = NULL; - D->pcsize = 0; - D->globals = NULL; - D->maxsection = maxsection; - for (i = 0; i < maxsection; i++) { - D->sections[i].buf = NULL; /* Need this for pass3. */ - D->sections[i].rbuf = D->sections[i].buf - DASM_SEC2POS(i); - D->sections[i].bsize = 0; - D->sections[i].epos = 0; /* Wrong, but is recalculated after resize. */ - } -} - -/* Free DynASM state. */ -void dasm_free(Dst_DECL) -{ - dasm_State *D = Dst_REF; - int i; - for (i = 0; i < D->maxsection; i++) - if (D->sections[i].buf) - DASM_M_FREE(Dst, D->sections[i].buf, D->sections[i].bsize); - if (D->pclabels) DASM_M_FREE(Dst, D->pclabels, D->pcsize); - if (D->lglabels) DASM_M_FREE(Dst, D->lglabels, D->lgsize); - DASM_M_FREE(Dst, D, D->psize); -} - -/* Setup global label array. Must be called before dasm_setup(). */ -void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl) -{ - dasm_State *D = Dst_REF; - D->globals = gl - 10; /* Negative bias to compensate for locals. */ - DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int)); -} - -/* Grow PC label array. Can be called after dasm_setup(), too. */ -void dasm_growpc(Dst_DECL, unsigned int maxpc) -{ - dasm_State *D = Dst_REF; - size_t osz = D->pcsize; - DASM_M_GROW(Dst, int, D->pclabels, D->pcsize, maxpc*sizeof(int)); - memset((void *)(((unsigned char *)D->pclabels)+osz), 0, D->pcsize-osz); -} - -/* Setup encoder. */ -void dasm_setup(Dst_DECL, const void *actionlist) -{ - dasm_State *D = Dst_REF; - int i; - D->actionlist = (dasm_ActList)actionlist; - D->status = DASM_S_OK; - D->section = &D->sections[0]; - memset((void *)D->lglabels, 0, D->lgsize); - if (D->pclabels) memset((void *)D->pclabels, 0, D->pcsize); - for (i = 0; i < D->maxsection; i++) { - D->sections[i].pos = DASM_SEC2POS(i); - D->sections[i].ofs = 0; - } -} - - -#ifdef DASM_CHECKS -#define CK(x, st) \ - do { if (!(x)) { \ - D->status = DASM_S_##st|(p-D->actionlist-1); return; } } while (0) -#define CKPL(kind, st) \ - do { if ((size_t)((char *)pl-(char *)D->kind##labels) >= D->kind##size) { \ - D->status = DASM_S_RANGE_##st|(p-D->actionlist-1); return; } } while (0) -#else -#define CK(x, st) ((void)0) -#define CKPL(kind, st) ((void)0) -#endif - -/* Pass 1: Store actions and args, link branches/labels, estimate offsets. */ -void dasm_put(Dst_DECL, int start, ...) -{ - va_list ap; - dasm_State *D = Dst_REF; - dasm_ActList p = D->actionlist + start; - dasm_Section *sec = D->section; - int pos = sec->pos, ofs = sec->ofs; - int *b; - - if (pos >= sec->epos) { - DASM_M_GROW(Dst, int, sec->buf, sec->bsize, - sec->bsize + 2*DASM_MAXSECPOS*sizeof(int)); - sec->rbuf = sec->buf - DASM_POS2BIAS(pos); - sec->epos = (int)sec->bsize/sizeof(int) - DASM_MAXSECPOS+DASM_POS2BIAS(pos); - } - - b = sec->rbuf; - b[pos++] = start; - - va_start(ap, start); - while (1) { - unsigned int ins = *p++; - unsigned int action = (ins >> 16); - if (action >= DASM__MAX) { - ofs += 4; - } else { - int *pl, n = action >= DASM_REL_PC ? va_arg(ap, int) : 0; - switch (action) { - case DASM_STOP: goto stop; - case DASM_SECTION: - n = (ins & 255); CK(n < D->maxsection, RANGE_SEC); - D->section = &D->sections[n]; goto stop; - case DASM_ESC: p++; ofs += 4; break; - case DASM_REL_EXT: break; - case DASM_ALIGN: ofs += (ins & 255); b[pos++] = ofs; break; - case DASM_REL_LG: - n = (ins & 2047) - 10; pl = D->lglabels + n; - if (n >= 0) { CKPL(lg, LG); goto putrel; } /* Bkwd rel or global. */ - pl += 10; n = *pl; - if (n < 0) n = 0; /* Start new chain for fwd rel if label exists. */ - goto linkrel; - case DASM_REL_PC: - pl = D->pclabels + n; CKPL(pc, PC); - putrel: - n = *pl; - if (n < 0) { /* Label exists. Get label pos and store it. */ - b[pos] = -n; - } else { - linkrel: - b[pos] = n; /* Else link to rel chain, anchored at label. */ - *pl = pos; - } - pos++; - break; - case DASM_LABEL_LG: - pl = D->lglabels + (ins & 2047) - 10; CKPL(lg, LG); goto putlabel; - case DASM_LABEL_PC: - pl = D->pclabels + n; CKPL(pc, PC); - putlabel: - n = *pl; /* n > 0: Collapse rel chain and replace with label pos. */ - while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = pos; - } - *pl = -pos; /* Label exists now. */ - b[pos++] = ofs; /* Store pass1 offset estimate. */ - break; - case DASM_IMM: -#ifdef DASM_CHECKS - CK((n & ((1<<((ins>>10)&31))-1)) == 0, RANGE_I); -#endif - n >>= ((ins>>10)&31); -#ifdef DASM_CHECKS - if (ins & 0x8000) - CK(((n + (1<<(((ins>>5)&31)-1)))>>((ins>>5)&31)) == 0, RANGE_I); - else - CK((n>>((ins>>5)&31)) == 0, RANGE_I); -#endif - b[pos++] = n; - break; - } - } - } -stop: - va_end(ap); - sec->pos = pos; - sec->ofs = ofs; -} -#undef CK - -/* Pass 2: Link sections, shrink aligns, fix label offsets. */ -int dasm_link(Dst_DECL, size_t *szp) -{ - dasm_State *D = Dst_REF; - int secnum; - int ofs = 0; - -#ifdef DASM_CHECKS - *szp = 0; - if (D->status != DASM_S_OK) return D->status; - { - int pc; - for (pc = 0; pc*sizeof(int) < D->pcsize; pc++) - if (D->pclabels[pc] > 0) return DASM_S_UNDEF_PC|pc; - } -#endif - - { /* Handle globals not defined in this translation unit. */ - int idx; - for (idx = 20; idx*sizeof(int) < D->lgsize; idx++) { - int n = D->lglabels[idx]; - /* Undefined label: Collapse rel chain and replace with marker (< 0). */ - while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = -idx; } - } - } - - /* Combine all code sections. No support for data sections (yet). */ - for (secnum = 0; secnum < D->maxsection; secnum++) { - dasm_Section *sec = D->sections + secnum; - int *b = sec->rbuf; - int pos = DASM_SEC2POS(secnum); - int lastpos = sec->pos; - - while (pos != lastpos) { - dasm_ActList p = D->actionlist + b[pos++]; - while (1) { - unsigned int ins = *p++; - unsigned int action = (ins >> 16); - switch (action) { - case DASM_STOP: case DASM_SECTION: goto stop; - case DASM_ESC: p++; break; - case DASM_REL_EXT: break; - case DASM_ALIGN: ofs -= (b[pos++] + ofs) & (ins & 255); break; - case DASM_REL_LG: case DASM_REL_PC: pos++; break; - case DASM_LABEL_LG: case DASM_LABEL_PC: b[pos++] += ofs; break; - case DASM_IMM: pos++; break; - } - } - stop: (void)0; - } - ofs += sec->ofs; /* Next section starts right after current section. */ - } - - D->codesize = ofs; /* Total size of all code sections */ - *szp = ofs; - return DASM_S_OK; -} - -#ifdef DASM_CHECKS -#define CK(x, st) \ - do { if (!(x)) return DASM_S_##st|(p-D->actionlist-1); } while (0) -#else -#define CK(x, st) ((void)0) -#endif - -/* Pass 3: Encode sections. */ -int dasm_encode(Dst_DECL, void *buffer) -{ - dasm_State *D = Dst_REF; - char *base = (char *)buffer; - unsigned int *cp = (unsigned int *)buffer; - int secnum; - - /* Encode all code sections. No support for data sections (yet). */ - for (secnum = 0; secnum < D->maxsection; secnum++) { - dasm_Section *sec = D->sections + secnum; - int *b = sec->buf; - int *endb = sec->rbuf + sec->pos; - - while (b != endb) { - dasm_ActList p = D->actionlist + *b++; - while (1) { - unsigned int ins = *p++; - unsigned int action = (ins >> 16); - int n = (action >= DASM_ALIGN && action < DASM__MAX) ? *b++ : 0; - switch (action) { - case DASM_STOP: case DASM_SECTION: goto stop; - case DASM_ESC: *cp++ = *p++; break; - case DASM_REL_EXT: - n = DASM_EXTERN(Dst, (unsigned char *)cp, (ins & 2047), 1) - 4; - goto patchrel; - case DASM_ALIGN: - ins &= 255; while ((((char *)cp - base) & ins)) *cp++ = 0x60000000; - break; - case DASM_REL_LG: - CK(n >= 0, UNDEF_LG); - case DASM_REL_PC: - CK(n >= 0, UNDEF_PC); - n = *DASM_POS2PTR(D, n) - (int)((char *)cp - base); - patchrel: - CK((n & 3) == 0 && - (((n+4) + ((ins & 2048) ? 0x00008000 : 0x02000000)) >> - ((ins & 2048) ? 16 : 26)) == 0, RANGE_REL); - cp[-1] |= ((n+4) & ((ins & 2048) ? 0x0000fffc: 0x03fffffc)); - break; - case DASM_LABEL_LG: - ins &= 2047; if (ins >= 20) D->globals[ins-10] = (void *)(base + n); - break; - case DASM_LABEL_PC: break; - case DASM_IMM: - cp[-1] |= (n & ((1<<((ins>>5)&31))-1)) << (ins&31); - break; - default: *cp++ = ins; break; - } - } - stop: (void)0; - } - } - - if (base + D->codesize != (char *)cp) /* Check for phase errors. */ - return DASM_S_PHASE; - return DASM_S_OK; -} -#undef CK - -/* Get PC label offset. */ -int dasm_getpclabel(Dst_DECL, unsigned int pc) -{ - dasm_State *D = Dst_REF; - if (pc*sizeof(int) < D->pcsize) { - int pos = D->pclabels[pc]; - if (pos < 0) return *DASM_POS2PTR(D, -pos); - if (pos > 0) return -1; /* Undefined. */ - } - return -2; /* Unused or out of range. */ -} - -#ifdef DASM_CHECKS -/* Optional sanity checker to call between isolated encoding steps. */ -int dasm_checkstep(Dst_DECL, int secmatch) -{ - dasm_State *D = Dst_REF; - if (D->status == DASM_S_OK) { - int i; - for (i = 1; i <= 9; i++) { - if (D->lglabels[i] > 0) { D->status = DASM_S_UNDEF_LG|i; break; } - D->lglabels[i] = 0; - } - } - if (D->status == DASM_S_OK && secmatch >= 0 && - D->section != &D->sections[secmatch]) - D->status = DASM_S_MATCH_SEC|(D->section-D->sections); - return D->status; -} -#endif - diff --git a/libraries/luajit-2.0/dynasm/dasm_ppc.lua b/libraries/luajit-2.0/dynasm/dasm_ppc.lua deleted file mode 100644 index b2bee2c..0000000 --- a/libraries/luajit-2.0/dynasm/dasm_ppc.lua +++ /dev/null @@ -1,1230 +0,0 @@ ------------------------------------------------------------------------------- --- DynASM PPC module. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- See dynasm.lua for full copyright notice. ------------------------------------------------------------------------------- - --- Module information: -local _info = { - arch = "ppc", - description = "DynASM PPC module", - version = "1.3.0", - vernum = 10300, - release = "2011-05-05", - author = "Mike Pall", - license = "MIT", -} - --- Exported glue functions for the arch-specific module. -local _M = { _info = _info } - --- Cache library functions. -local type, tonumber, pairs, ipairs = type, tonumber, pairs, ipairs -local assert, setmetatable = assert, setmetatable -local _s = string -local sub, format, byte, char = _s.sub, _s.format, _s.byte, _s.char -local match, gmatch = _s.match, _s.gmatch -local concat, sort = table.concat, table.sort - --- Inherited tables and callbacks. -local g_opt, g_arch -local wline, werror, wfatal, wwarn - --- Action name list. --- CHECK: Keep this in sync with the C code! -local action_names = { - "STOP", "SECTION", "ESC", "REL_EXT", - "ALIGN", "REL_LG", "LABEL_LG", - "REL_PC", "LABEL_PC", "IMM", -} - --- Maximum number of section buffer positions for dasm_put(). --- CHECK: Keep this in sync with the C code! -local maxsecpos = 25 -- Keep this low, to avoid excessively long C lines. - --- Action name -> action number. -local map_action = {} -for n,name in ipairs(action_names) do - map_action[name] = n-1 -end - --- Action list buffer. -local actlist = {} - --- Argument list for next dasm_put(). Start with offset 0 into action list. -local actargs = { 0 } - --- Current number of section buffer positions for dasm_put(). -local secpos = 1 - ------------------------------------------------------------------------------- - --- Return 8 digit hex number. -local function tohex(x) - return sub(format("%08x", x), -8) -- Avoid 64 bit portability problem in Lua. -end - --- Dump action names and numbers. -local function dumpactions(out) - out:write("DynASM encoding engine action codes:\n") - for n,name in ipairs(action_names) do - local num = map_action[name] - out:write(format(" %-10s %02X %d\n", name, num, num)) - end - out:write("\n") -end - --- Write action list buffer as a huge static C array. -local function writeactions(out, name) - local nn = #actlist - if nn == 0 then nn = 1; actlist[0] = map_action.STOP end - out:write("static const unsigned int ", name, "[", nn, "] = {\n") - for i = 1,nn-1 do - assert(out:write("0x", tohex(actlist[i]), ",\n")) - end - assert(out:write("0x", tohex(actlist[nn]), "\n};\n\n")) -end - ------------------------------------------------------------------------------- - --- Add word to action list. -local function wputxw(n) - assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") - actlist[#actlist+1] = n -end - --- Add action to list with optional arg. Advance buffer pos, too. -local function waction(action, val, a, num) - local w = assert(map_action[action], "bad action name `"..action.."'") - wputxw(w * 0x10000 + (val or 0)) - if a then actargs[#actargs+1] = a end - if a or num then secpos = secpos + (num or 1) end -end - --- Flush action list (intervening C code or buffer pos overflow). -local function wflush(term) - if #actlist == actargs[1] then return end -- Nothing to flush. - if not term then waction("STOP") end -- Terminate action list. - wline(format("dasm_put(Dst, %s);", concat(actargs, ", ")), true) - actargs = { #actlist } -- Actionlist offset is 1st arg to next dasm_put(). - secpos = 1 -- The actionlist offset occupies a buffer position, too. -end - --- Put escaped word. -local function wputw(n) - if n <= 0xffffff then waction("ESC") end - wputxw(n) -end - --- Reserve position for word. -local function wpos() - local pos = #actlist+1 - actlist[pos] = "" - return pos -end - --- Store word to reserved position. -local function wputpos(pos, n) - assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") - actlist[pos] = n -end - ------------------------------------------------------------------------------- - --- Global label name -> global label number. With auto assignment on 1st use. -local next_global = 20 -local map_global = setmetatable({}, { __index = function(t, name) - if not match(name, "^[%a_][%w_]*$") then werror("bad global label") end - local n = next_global - if n > 2047 then werror("too many global labels") end - next_global = n + 1 - t[name] = n - return n -end}) - --- Dump global labels. -local function dumpglobals(out, lvl) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("Global labels:\n") - for i=20,next_global-1 do - out:write(format(" %s\n", t[i])) - end - out:write("\n") -end - --- Write global label enum. -local function writeglobals(out, prefix) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("enum {\n") - for i=20,next_global-1 do - out:write(" ", prefix, t[i], ",\n") - end - out:write(" ", prefix, "_MAX\n};\n") -end - --- Write global label names. -local function writeglobalnames(out, name) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("static const char *const ", name, "[] = {\n") - for i=20,next_global-1 do - out:write(" \"", t[i], "\",\n") - end - out:write(" (const char *)0\n};\n") -end - ------------------------------------------------------------------------------- - --- Extern label name -> extern label number. With auto assignment on 1st use. -local next_extern = 0 -local map_extern_ = {} -local map_extern = setmetatable({}, { __index = function(t, name) - -- No restrictions on the name for now. - local n = next_extern - if n > 2047 then werror("too many extern labels") end - next_extern = n + 1 - t[name] = n - map_extern_[n] = name - return n -end}) - --- Dump extern labels. -local function dumpexterns(out, lvl) - out:write("Extern labels:\n") - for i=0,next_extern-1 do - out:write(format(" %s\n", map_extern_[i])) - end - out:write("\n") -end - --- Write extern label names. -local function writeexternnames(out, name) - out:write("static const char *const ", name, "[] = {\n") - for i=0,next_extern-1 do - out:write(" \"", map_extern_[i], "\",\n") - end - out:write(" (const char *)0\n};\n") -end - ------------------------------------------------------------------------------- - --- Arch-specific maps. -local map_archdef = { sp = "r1" } -- Ext. register name -> int. name. - -local map_type = {} -- Type name -> { ctype, reg } -local ctypenum = 0 -- Type number (for Dt... macros). - --- Reverse defines for registers. -function _M.revdef(s) - if s == "r1" then return "sp" end - return s -end - -local map_cond = { - lt = 0, gt = 1, eq = 2, so = 3, - ge = 4, le = 5, ne = 6, ns = 7, -} - ------------------------------------------------------------------------------- - --- Template strings for PPC instructions. -local map_op = { - tdi_3 = "08000000ARI", - twi_3 = "0c000000ARI", - mulli_3 = "1c000000RRI", - subfic_3 = "20000000RRI", - cmplwi_3 = "28000000XRU", - cmplwi_2 = "28000000-RU", - cmpldi_3 = "28200000XRU", - cmpldi_2 = "28200000-RU", - cmpwi_3 = "2c000000XRI", - cmpwi_2 = "2c000000-RI", - cmpdi_3 = "2c200000XRI", - cmpdi_2 = "2c200000-RI", - addic_3 = "30000000RRI", - ["addic._3"] = "34000000RRI", - addi_3 = "38000000RR0I", - li_2 = "38000000RI", - la_2 = "38000000RD", - addis_3 = "3c000000RR0I", - lis_2 = "3c000000RI", - lus_2 = "3c000000RU", - bc_3 = "40000000AAK", - bcl_3 = "40000001AAK", - bdnz_1 = "42000000K", - bdz_1 = "42400000K", - sc_0 = "44000000", - b_1 = "48000000J", - bl_1 = "48000001J", - rlwimi_5 = "50000000RR~AAA.", - rlwinm_5 = "54000000RR~AAA.", - rlwnm_5 = "5c000000RR~RAA.", - ori_3 = "60000000RR~U", - nop_0 = "60000000", - oris_3 = "64000000RR~U", - xori_3 = "68000000RR~U", - xoris_3 = "6c000000RR~U", - ["andi._3"] = "70000000RR~U", - ["andis._3"] = "74000000RR~U", - lwz_2 = "80000000RD", - lwzu_2 = "84000000RD", - lbz_2 = "88000000RD", - lbzu_2 = "8c000000RD", - stw_2 = "90000000RD", - stwu_2 = "94000000RD", - stb_2 = "98000000RD", - stbu_2 = "9c000000RD", - lhz_2 = "a0000000RD", - lhzu_2 = "a4000000RD", - lha_2 = "a8000000RD", - lhau_2 = "ac000000RD", - sth_2 = "b0000000RD", - sthu_2 = "b4000000RD", - lmw_2 = "b8000000RD", - stmw_2 = "bc000000RD", - lfs_2 = "c0000000FD", - lfsu_2 = "c4000000FD", - lfd_2 = "c8000000FD", - lfdu_2 = "cc000000FD", - stfs_2 = "d0000000FD", - stfsu_2 = "d4000000FD", - stfd_2 = "d8000000FD", - stfdu_2 = "dc000000FD", - ld_2 = "e8000000RD", -- NYI: displacement must be divisible by 4. - ldu_2 = "e8000001RD", - lwa_2 = "e8000002RD", - std_2 = "f8000000RD", - stdu_2 = "f8000001RD", - - -- Primary opcode 19: - mcrf_2 = "4c000000XX", - isync_0 = "4c00012c", - crnor_3 = "4c000042CCC", - crnot_2 = "4c000042CC=", - crandc_3 = "4c000102CCC", - crxor_3 = "4c000182CCC", - crclr_1 = "4c000182C==", - crnand_3 = "4c0001c2CCC", - crand_3 = "4c000202CCC", - creqv_3 = "4c000242CCC", - crset_1 = "4c000242C==", - crorc_3 = "4c000342CCC", - cror_3 = "4c000382CCC", - crmove_2 = "4c000382CC=", - bclr_2 = "4c000020AA", - bclrl_2 = "4c000021AA", - bcctr_2 = "4c000420AA", - bcctrl_2 = "4c000421AA", - blr_0 = "4e800020", - blrl_0 = "4e800021", - bctr_0 = "4e800420", - bctrl_0 = "4e800421", - - -- Primary opcode 31: - cmpw_3 = "7c000000XRR", - cmpw_2 = "7c000000-RR", - cmpd_3 = "7c200000XRR", - cmpd_2 = "7c200000-RR", - tw_3 = "7c000008ARR", - subfc_3 = "7c000010RRR.", - subc_3 = "7c000010RRR~.", - mulhdu_3 = "7c000012RRR.", - addc_3 = "7c000014RRR.", - mulhwu_3 = "7c000016RRR.", - isel_4 = "7c00001eRRRC", - isellt_3 = "7c00001eRRR", - iselgt_3 = "7c00005eRRR", - iseleq_3 = "7c00009eRRR", - mfcr_1 = "7c000026R", - mtcrf_2 = "7c000120GR", - -- NYI: mtocrf, mfocrf - lwarx_3 = "7c000028RR0R", - ldx_3 = "7c00002aRR0R", - lwzx_3 = "7c00002eRR0R", - slw_3 = "7c000030RR~R.", - cntlzw_2 = "7c000034RR~", - sld_3 = "7c000036RR~R.", - and_3 = "7c000038RR~R.", - cmplw_3 = "7c000040XRR", - cmplw_2 = "7c000040-RR", - cmpld_3 = "7c200040XRR", - cmpld_2 = "7c200040-RR", - subf_3 = "7c000050RRR.", - sub_3 = "7c000050RRR~.", - ldux_3 = "7c00006aRR0R", - dcbst_2 = "7c00006c-RR", - lwzux_3 = "7c00006eRR0R", - cntlzd_2 = "7c000074RR~", - andc_3 = "7c000078RR~R.", - td_3 = "7c000088ARR", - mulhd_3 = "7c000092RRR.", - mulhw_3 = "7c000096RRR.", - ldarx_3 = "7c0000a8RR0R", - dcbf_2 = "7c0000ac-RR", - lbzx_3 = "7c0000aeRR0R", - neg_2 = "7c0000d0RR.", - lbzux_3 = "7c0000eeRR0R", - popcntb_2 = "7c0000f4RR~", - not_2 = "7c0000f8RR~%.", - nor_3 = "7c0000f8RR~R.", - subfe_3 = "7c000110RRR.", - sube_3 = "7c000110RRR~.", - adde_3 = "7c000114RRR.", - stdx_3 = "7c00012aRR0R", - stwcx_3 = "7c00012cRR0R.", - stwx_3 = "7c00012eRR0R", - prtyw_2 = "7c000134RR~", - stdux_3 = "7c00016aRR0R", - stwux_3 = "7c00016eRR0R", - prtyd_2 = "7c000174RR~", - subfze_2 = "7c000190RR.", - addze_2 = "7c000194RR.", - stdcx_3 = "7c0001acRR0R.", - stbx_3 = "7c0001aeRR0R", - subfme_2 = "7c0001d0RR.", - mulld_3 = "7c0001d2RRR.", - addme_2 = "7c0001d4RR.", - mullw_3 = "7c0001d6RRR.", - dcbtst_2 = "7c0001ec-RR", - stbux_3 = "7c0001eeRR0R", - add_3 = "7c000214RRR.", - dcbt_2 = "7c00022c-RR", - lhzx_3 = "7c00022eRR0R", - eqv_3 = "7c000238RR~R.", - eciwx_3 = "7c00026cRR0R", - lhzux_3 = "7c00026eRR0R", - xor_3 = "7c000278RR~R.", - mfspefscr_1 = "7c0082a6R", - mfxer_1 = "7c0102a6R", - mflr_1 = "7c0802a6R", - mfctr_1 = "7c0902a6R", - lwax_3 = "7c0002aaRR0R", - lhax_3 = "7c0002aeRR0R", - mftb_1 = "7c0c42e6R", - mftbu_1 = "7c0d42e6R", - lwaux_3 = "7c0002eaRR0R", - lhaux_3 = "7c0002eeRR0R", - sthx_3 = "7c00032eRR0R", - orc_3 = "7c000338RR~R.", - ecowx_3 = "7c00036cRR0R", - sthux_3 = "7c00036eRR0R", - or_3 = "7c000378RR~R.", - mr_2 = "7c000378RR~%.", - divdu_3 = "7c000392RRR.", - divwu_3 = "7c000396RRR.", - mtspefscr_1 = "7c0083a6R", - mtxer_1 = "7c0103a6R", - mtlr_1 = "7c0803a6R", - mtctr_1 = "7c0903a6R", - dcbi_2 = "7c0003ac-RR", - nand_3 = "7c0003b8RR~R.", - divd_3 = "7c0003d2RRR.", - divw_3 = "7c0003d6RRR.", - cmpb_3 = "7c0003f8RR~R.", - mcrxr_1 = "7c000400X", - subfco_3 = "7c000410RRR.", - subco_3 = "7c000410RRR~.", - addco_3 = "7c000414RRR.", - ldbrx_3 = "7c000428RR0R", - lswx_3 = "7c00042aRR0R", - lwbrx_3 = "7c00042cRR0R", - lfsx_3 = "7c00042eFR0R", - srw_3 = "7c000430RR~R.", - srd_3 = "7c000436RR~R.", - subfo_3 = "7c000450RRR.", - subo_3 = "7c000450RRR~.", - lfsux_3 = "7c00046eFR0R", - lswi_3 = "7c0004aaRR0A", - sync_0 = "7c0004ac", - lwsync_0 = "7c2004ac", - ptesync_0 = "7c4004ac", - lfdx_3 = "7c0004aeFR0R", - nego_2 = "7c0004d0RR.", - lfdux_3 = "7c0004eeFR0R", - subfeo_3 = "7c000510RRR.", - subeo_3 = "7c000510RRR~.", - addeo_3 = "7c000514RRR.", - stdbrx_3 = "7c000528RR0R", - stswx_3 = "7c00052aRR0R", - stwbrx_3 = "7c00052cRR0R", - stfsx_3 = "7c00052eFR0R", - stfsux_3 = "7c00056eFR0R", - subfzeo_2 = "7c000590RR.", - addzeo_2 = "7c000594RR.", - stswi_3 = "7c0005aaRR0A", - stfdx_3 = "7c0005aeFR0R", - subfmeo_2 = "7c0005d0RR.", - mulldo_3 = "7c0005d2RRR.", - addmeo_2 = "7c0005d4RR.", - mullwo_3 = "7c0005d6RRR.", - dcba_2 = "7c0005ec-RR", - stfdux_3 = "7c0005eeFR0R", - addo_3 = "7c000614RRR.", - lhbrx_3 = "7c00062cRR0R", - sraw_3 = "7c000630RR~R.", - srad_3 = "7c000634RR~R.", - srawi_3 = "7c000670RR~A.", - eieio_0 = "7c0006ac", - lfiwax_3 = "7c0006aeFR0R", - sthbrx_3 = "7c00072cRR0R", - extsh_2 = "7c000734RR~.", - extsb_2 = "7c000774RR~.", - divduo_3 = "7c000792RRR.", - divwou_3 = "7c000796RRR.", - icbi_2 = "7c0007ac-RR", - stfiwx_3 = "7c0007aeFR0R", - extsw_2 = "7c0007b4RR~.", - divdo_3 = "7c0007d2RRR.", - divwo_3 = "7c0007d6RRR.", - dcbz_2 = "7c0007ec-RR", - - -- Primary opcode 59: - fdivs_3 = "ec000024FFF.", - fsubs_3 = "ec000028FFF.", - fadds_3 = "ec00002aFFF.", - fsqrts_2 = "ec00002cF-F.", - fres_2 = "ec000030F-F.", - fmuls_3 = "ec000032FF-F.", - frsqrtes_2 = "ec000034F-F.", - fmsubs_4 = "ec000038FFFF~.", - fmadds_4 = "ec00003aFFFF~.", - fnmsubs_4 = "ec00003cFFFF~.", - fnmadds_4 = "ec00003eFFFF~.", - - -- Primary opcode 63: - fdiv_3 = "fc000024FFF.", - fsub_3 = "fc000028FFF.", - fadd_3 = "fc00002aFFF.", - fsqrt_2 = "fc00002cF-F.", - fsel_4 = "fc00002eFFFF~.", - fre_2 = "fc000030F-F.", - fmul_3 = "fc000032FF-F.", - frsqrte_2 = "fc000034F-F.", - fmsub_4 = "fc000038FFFF~.", - fmadd_4 = "fc00003aFFFF~.", - fnmsub_4 = "fc00003cFFFF~.", - fnmadd_4 = "fc00003eFFFF~.", - fcmpu_3 = "fc000000XFF", - fcpsgn_3 = "fc000010FFF.", - fcmpo_3 = "fc000040XFF", - mtfsb1_1 = "fc00004cA", - fneg_2 = "fc000050F-F.", - mcrfs_2 = "fc000080XX", - mtfsb0_1 = "fc00008cA", - fmr_2 = "fc000090F-F.", - frsp_2 = "fc000018F-F.", - fctiw_2 = "fc00001cF-F.", - fctiwz_2 = "fc00001eF-F.", - mtfsfi_2 = "fc00010cAA", -- NYI: upshift. - fnabs_2 = "fc000110F-F.", - fabs_2 = "fc000210F-F.", - frin_2 = "fc000310F-F.", - friz_2 = "fc000350F-F.", - frip_2 = "fc000390F-F.", - frim_2 = "fc0003d0F-F.", - mffs_1 = "fc00048eF.", - -- NYI: mtfsf, mtfsb0, mtfsb1. - fctid_2 = "fc00065cF-F.", - fctidz_2 = "fc00065eF-F.", - fcfid_2 = "fc00069cF-F.", - - -- Primary opcode 4, SPE APU extension: - evaddw_3 = "10000200RRR", - evaddiw_3 = "10000202RAR~", - evsubw_3 = "10000204RRR~", - evsubiw_3 = "10000206RAR~", - evabs_2 = "10000208RR", - evneg_2 = "10000209RR", - evextsb_2 = "1000020aRR", - evextsh_2 = "1000020bRR", - evrndw_2 = "1000020cRR", - evcntlzw_2 = "1000020dRR", - evcntlsw_2 = "1000020eRR", - brinc_3 = "1000020fRRR", - evand_3 = "10000211RRR", - evandc_3 = "10000212RRR", - evxor_3 = "10000216RRR", - evor_3 = "10000217RRR", - evmr_2 = "10000217RR=", - evnor_3 = "10000218RRR", - evnot_2 = "10000218RR=", - eveqv_3 = "10000219RRR", - evorc_3 = "1000021bRRR", - evnand_3 = "1000021eRRR", - evsrwu_3 = "10000220RRR", - evsrws_3 = "10000221RRR", - evsrwiu_3 = "10000222RRA", - evsrwis_3 = "10000223RRA", - evslw_3 = "10000224RRR", - evslwi_3 = "10000226RRA", - evrlw_3 = "10000228RRR", - evsplati_2 = "10000229RS", - evrlwi_3 = "1000022aRRA", - evsplatfi_2 = "1000022bRS", - evmergehi_3 = "1000022cRRR", - evmergelo_3 = "1000022dRRR", - evcmpgtu_3 = "10000230XRR", - evcmpgtu_2 = "10000230-RR", - evcmpgts_3 = "10000231XRR", - evcmpgts_2 = "10000231-RR", - evcmpltu_3 = "10000232XRR", - evcmpltu_2 = "10000232-RR", - evcmplts_3 = "10000233XRR", - evcmplts_2 = "10000233-RR", - evcmpeq_3 = "10000234XRR", - evcmpeq_2 = "10000234-RR", - evsel_4 = "10000278RRRW", - evsel_3 = "10000278RRR", - evfsadd_3 = "10000280RRR", - evfssub_3 = "10000281RRR", - evfsabs_2 = "10000284RR", - evfsnabs_2 = "10000285RR", - evfsneg_2 = "10000286RR", - evfsmul_3 = "10000288RRR", - evfsdiv_3 = "10000289RRR", - evfscmpgt_3 = "1000028cXRR", - evfscmpgt_2 = "1000028c-RR", - evfscmplt_3 = "1000028dXRR", - evfscmplt_2 = "1000028d-RR", - evfscmpeq_3 = "1000028eXRR", - evfscmpeq_2 = "1000028e-RR", - evfscfui_2 = "10000290R-R", - evfscfsi_2 = "10000291R-R", - evfscfuf_2 = "10000292R-R", - evfscfsf_2 = "10000293R-R", - evfsctui_2 = "10000294R-R", - evfsctsi_2 = "10000295R-R", - evfsctuf_2 = "10000296R-R", - evfsctsf_2 = "10000297R-R", - evfsctuiz_2 = "10000298R-R", - evfsctsiz_2 = "1000029aR-R", - evfststgt_3 = "1000029cXRR", - evfststgt_2 = "1000029c-RR", - evfststlt_3 = "1000029dXRR", - evfststlt_2 = "1000029d-RR", - evfststeq_3 = "1000029eXRR", - evfststeq_2 = "1000029e-RR", - efsadd_3 = "100002c0RRR", - efssub_3 = "100002c1RRR", - efsabs_2 = "100002c4RR", - efsnabs_2 = "100002c5RR", - efsneg_2 = "100002c6RR", - efsmul_3 = "100002c8RRR", - efsdiv_3 = "100002c9RRR", - efscmpgt_3 = "100002ccXRR", - efscmpgt_2 = "100002cc-RR", - efscmplt_3 = "100002cdXRR", - efscmplt_2 = "100002cd-RR", - efscmpeq_3 = "100002ceXRR", - efscmpeq_2 = "100002ce-RR", - efscfd_2 = "100002cfR-R", - efscfui_2 = "100002d0R-R", - efscfsi_2 = "100002d1R-R", - efscfuf_2 = "100002d2R-R", - efscfsf_2 = "100002d3R-R", - efsctui_2 = "100002d4R-R", - efsctsi_2 = "100002d5R-R", - efsctuf_2 = "100002d6R-R", - efsctsf_2 = "100002d7R-R", - efsctuiz_2 = "100002d8R-R", - efsctsiz_2 = "100002daR-R", - efststgt_3 = "100002dcXRR", - efststgt_2 = "100002dc-RR", - efststlt_3 = "100002ddXRR", - efststlt_2 = "100002dd-RR", - efststeq_3 = "100002deXRR", - efststeq_2 = "100002de-RR", - efdadd_3 = "100002e0RRR", - efdsub_3 = "100002e1RRR", - efdcfuid_2 = "100002e2R-R", - efdcfsid_2 = "100002e3R-R", - efdabs_2 = "100002e4RR", - efdnabs_2 = "100002e5RR", - efdneg_2 = "100002e6RR", - efdmul_3 = "100002e8RRR", - efddiv_3 = "100002e9RRR", - efdctuidz_2 = "100002eaR-R", - efdctsidz_2 = "100002ebR-R", - efdcmpgt_3 = "100002ecXRR", - efdcmpgt_2 = "100002ec-RR", - efdcmplt_3 = "100002edXRR", - efdcmplt_2 = "100002ed-RR", - efdcmpeq_3 = "100002eeXRR", - efdcmpeq_2 = "100002ee-RR", - efdcfs_2 = "100002efR-R", - efdcfui_2 = "100002f0R-R", - efdcfsi_2 = "100002f1R-R", - efdcfuf_2 = "100002f2R-R", - efdcfsf_2 = "100002f3R-R", - efdctui_2 = "100002f4R-R", - efdctsi_2 = "100002f5R-R", - efdctuf_2 = "100002f6R-R", - efdctsf_2 = "100002f7R-R", - efdctuiz_2 = "100002f8R-R", - efdctsiz_2 = "100002faR-R", - efdtstgt_3 = "100002fcXRR", - efdtstgt_2 = "100002fc-RR", - efdtstlt_3 = "100002fdXRR", - efdtstlt_2 = "100002fd-RR", - efdtsteq_3 = "100002feXRR", - efdtsteq_2 = "100002fe-RR", - evlddx_3 = "10000300RR0R", - evldd_2 = "10000301R8", - evldwx_3 = "10000302RR0R", - evldw_2 = "10000303R8", - evldhx_3 = "10000304RR0R", - evldh_2 = "10000305R8", - evlwhex_3 = "10000310RR0R", - evlwhe_2 = "10000311R4", - evlwhoux_3 = "10000314RR0R", - evlwhou_2 = "10000315R4", - evlwhosx_3 = "10000316RR0R", - evlwhos_2 = "10000317R4", - evstddx_3 = "10000320RR0R", - evstdd_2 = "10000321R8", - evstdwx_3 = "10000322RR0R", - evstdw_2 = "10000323R8", - evstdhx_3 = "10000324RR0R", - evstdh_2 = "10000325R8", - evstwhex_3 = "10000330RR0R", - evstwhe_2 = "10000331R4", - evstwhox_3 = "10000334RR0R", - evstwho_2 = "10000335R4", - evstwwex_3 = "10000338RR0R", - evstwwe_2 = "10000339R4", - evstwwox_3 = "1000033cRR0R", - evstwwo_2 = "1000033dR4", - evmhessf_3 = "10000403RRR", - evmhossf_3 = "10000407RRR", - evmheumi_3 = "10000408RRR", - evmhesmi_3 = "10000409RRR", - evmhesmf_3 = "1000040bRRR", - evmhoumi_3 = "1000040cRRR", - evmhosmi_3 = "1000040dRRR", - evmhosmf_3 = "1000040fRRR", - evmhessfa_3 = "10000423RRR", - evmhossfa_3 = "10000427RRR", - evmheumia_3 = "10000428RRR", - evmhesmia_3 = "10000429RRR", - evmhesmfa_3 = "1000042bRRR", - evmhoumia_3 = "1000042cRRR", - evmhosmia_3 = "1000042dRRR", - evmhosmfa_3 = "1000042fRRR", - evmwhssf_3 = "10000447RRR", - evmwlumi_3 = "10000448RRR", - evmwhumi_3 = "1000044cRRR", - evmwhsmi_3 = "1000044dRRR", - evmwhsmf_3 = "1000044fRRR", - evmwssf_3 = "10000453RRR", - evmwumi_3 = "10000458RRR", - evmwsmi_3 = "10000459RRR", - evmwsmf_3 = "1000045bRRR", - evmwhssfa_3 = "10000467RRR", - evmwlumia_3 = "10000468RRR", - evmwhumia_3 = "1000046cRRR", - evmwhsmia_3 = "1000046dRRR", - evmwhsmfa_3 = "1000046fRRR", - evmwssfa_3 = "10000473RRR", - evmwumia_3 = "10000478RRR", - evmwsmia_3 = "10000479RRR", - evmwsmfa_3 = "1000047bRRR", - evmra_2 = "100004c4RR", - evdivws_3 = "100004c6RRR", - evdivwu_3 = "100004c7RRR", - evmwssfaa_3 = "10000553RRR", - evmwumiaa_3 = "10000558RRR", - evmwsmiaa_3 = "10000559RRR", - evmwsmfaa_3 = "1000055bRRR", - evmwssfan_3 = "100005d3RRR", - evmwumian_3 = "100005d8RRR", - evmwsmian_3 = "100005d9RRR", - evmwsmfan_3 = "100005dbRRR", - evmergehilo_3 = "1000022eRRR", - evmergelohi_3 = "1000022fRRR", - evlhhesplatx_3 = "10000308RR0R", - evlhhesplat_2 = "10000309R2", - evlhhousplatx_3 = "1000030cRR0R", - evlhhousplat_2 = "1000030dR2", - evlhhossplatx_3 = "1000030eRR0R", - evlhhossplat_2 = "1000030fR2", - evlwwsplatx_3 = "10000318RR0R", - evlwwsplat_2 = "10000319R4", - evlwhsplatx_3 = "1000031cRR0R", - evlwhsplat_2 = "1000031dR4", - evaddusiaaw_2 = "100004c0RR", - evaddssiaaw_2 = "100004c1RR", - evsubfusiaaw_2 = "100004c2RR", - evsubfssiaaw_2 = "100004c3RR", - evaddumiaaw_2 = "100004c8RR", - evaddsmiaaw_2 = "100004c9RR", - evsubfumiaaw_2 = "100004caRR", - evsubfsmiaaw_2 = "100004cbRR", - evmheusiaaw_3 = "10000500RRR", - evmhessiaaw_3 = "10000501RRR", - evmhessfaaw_3 = "10000503RRR", - evmhousiaaw_3 = "10000504RRR", - evmhossiaaw_3 = "10000505RRR", - evmhossfaaw_3 = "10000507RRR", - evmheumiaaw_3 = "10000508RRR", - evmhesmiaaw_3 = "10000509RRR", - evmhesmfaaw_3 = "1000050bRRR", - evmhoumiaaw_3 = "1000050cRRR", - evmhosmiaaw_3 = "1000050dRRR", - evmhosmfaaw_3 = "1000050fRRR", - evmhegumiaa_3 = "10000528RRR", - evmhegsmiaa_3 = "10000529RRR", - evmhegsmfaa_3 = "1000052bRRR", - evmhogumiaa_3 = "1000052cRRR", - evmhogsmiaa_3 = "1000052dRRR", - evmhogsmfaa_3 = "1000052fRRR", - evmwlusiaaw_3 = "10000540RRR", - evmwlssiaaw_3 = "10000541RRR", - evmwlumiaaw_3 = "10000548RRR", - evmwlsmiaaw_3 = "10000549RRR", - evmheusianw_3 = "10000580RRR", - evmhessianw_3 = "10000581RRR", - evmhessfanw_3 = "10000583RRR", - evmhousianw_3 = "10000584RRR", - evmhossianw_3 = "10000585RRR", - evmhossfanw_3 = "10000587RRR", - evmheumianw_3 = "10000588RRR", - evmhesmianw_3 = "10000589RRR", - evmhesmfanw_3 = "1000058bRRR", - evmhoumianw_3 = "1000058cRRR", - evmhosmianw_3 = "1000058dRRR", - evmhosmfanw_3 = "1000058fRRR", - evmhegumian_3 = "100005a8RRR", - evmhegsmian_3 = "100005a9RRR", - evmhegsmfan_3 = "100005abRRR", - evmhogumian_3 = "100005acRRR", - evmhogsmian_3 = "100005adRRR", - evmhogsmfan_3 = "100005afRRR", - evmwlusianw_3 = "100005c0RRR", - evmwlssianw_3 = "100005c1RRR", - evmwlumianw_3 = "100005c8RRR", - evmwlsmianw_3 = "100005c9RRR", - - -- NYI: some 64 bit PowerPC and Book E instructions: - -- rldicl, rldicr, rldic, rldimi, rldcl, rldcr, sradi, 64 bit ext. add/sub, - -- extended addressing branches, cache management, loads and stores -} - --- Add mnemonics for "." variants. -do - local t = {} - for k,v in pairs(map_op) do - if sub(v, -1) == "." then - local v2 = sub(v, 1, 7)..char(byte(v, 8)+1)..sub(v, 9, -2) - t[sub(k, 1, -3).."."..sub(k, -2)] = v2 - end - end - for k,v in pairs(t) do - map_op[k] = v - end -end - --- Add more branch mnemonics. -for cond,c in pairs(map_cond) do - local b1 = "b"..cond - local c1 = (c%4)*0x00010000 + (c < 4 and 0x01000000 or 0) - -- bX[l] - map_op[b1.."_1"] = tohex(0x40800000 + c1).."K" - map_op[b1.."y_1"] = tohex(0x40a00000 + c1).."K" - map_op[b1.."l_1"] = tohex(0x40800001 + c1).."K" - map_op[b1.."_2"] = tohex(0x40800000 + c1).."-XK" - map_op[b1.."y_2"] = tohex(0x40a00000 + c1).."-XK" - map_op[b1.."l_2"] = tohex(0x40800001 + c1).."-XK" - -- bXlr[l] - map_op[b1.."lr_0"] = tohex(0x4c800020 + c1) - map_op[b1.."lrl_0"] = tohex(0x4c800021 + c1) - map_op[b1.."ctr_0"] = tohex(0x4c800420 + c1) - map_op[b1.."ctrl_0"] = tohex(0x4c800421 + c1) - -- bXctr[l] - map_op[b1.."lr_1"] = tohex(0x4c800020 + c1).."-X" - map_op[b1.."lrl_1"] = tohex(0x4c800021 + c1).."-X" - map_op[b1.."ctr_1"] = tohex(0x4c800420 + c1).."-X" - map_op[b1.."ctrl_1"] = tohex(0x4c800421 + c1).."-X" -end - ------------------------------------------------------------------------------- - -local function parse_gpr(expr) - local tname, ovreg = match(expr, "^([%w_]+):(r[1-3]?[0-9])$") - local tp = map_type[tname or expr] - if tp then - local reg = ovreg or tp.reg - if not reg then - werror("type `"..(tname or expr).."' needs a register override") - end - expr = reg - end - local r = match(expr, "^r([1-3]?[0-9])$") - if r then - r = tonumber(r) - if r <= 31 then return r, tp end - end - werror("bad register name `"..expr.."'") -end - -local function parse_fpr(expr) - local r = match(expr, "^f([1-3]?[0-9])$") - if r then - r = tonumber(r) - if r <= 31 then return r end - end - werror("bad register name `"..expr.."'") -end - -local function parse_cr(expr) - local r = match(expr, "^cr([0-7])$") - if r then return tonumber(r) end - werror("bad condition register name `"..expr.."'") -end - -local function parse_cond(expr) - local r, cond = match(expr, "^4%*cr([0-7])%+(%w%w)$") - if r then - r = tonumber(r) - local c = map_cond[cond] - if c and c < 4 then return r*4+c end - end - werror("bad condition bit name `"..expr.."'") -end - -local function parse_imm(imm, bits, shift, scale, signed) - local n = tonumber(imm) - if n then - if n % 2^scale == 0 then - n = n / 2^scale - if signed then - if n >= 0 then - if n < 2^(bits-1) then return n*2^shift end - else - if n >= -(2^(bits-1))-1 then return (n+2^bits)*2^shift end - end - else - if n >= 0 and n <= 2^bits-1 then return n*2^shift end - end - end - werror("out of range immediate `"..imm.."'") - elseif match(imm, "^r([1-3]?[0-9])$") or - match(imm, "^([%w_]+):(r[1-3]?[0-9])$") then - werror("expected immediate operand, got register") - else - waction("IMM", (signed and 32768 or 0)+scale*1024+bits*32+shift, imm) - return 0 - end -end - -local function parse_disp(disp) - local imm, reg = match(disp, "^(.*)%(([%w_:]+)%)$") - if imm then - local r = parse_gpr(reg) - if r == 0 then werror("cannot use r0 in displacement") end - return r*65536 + parse_imm(imm, 16, 0, 0, true) - end - local reg, tailr = match(disp, "^([%w_:]+)%s*(.*)$") - if reg and tailr ~= "" then - local r, tp = parse_gpr(reg) - if r == 0 then werror("cannot use r0 in displacement") end - if tp then - waction("IMM", 32768+16*32, format(tp.ctypefmt, tailr)) - return r*65536 - end - end - werror("bad displacement `"..disp.."'") -end - -local function parse_u5disp(disp, scale) - local imm, reg = match(disp, "^(.*)%(([%w_:]+)%)$") - if imm then - local r = parse_gpr(reg) - if r == 0 then werror("cannot use r0 in displacement") end - return r*65536 + parse_imm(imm, 5, 11, scale, false) - end - local reg, tailr = match(disp, "^([%w_:]+)%s*(.*)$") - if reg and tailr ~= "" then - local r, tp = parse_gpr(reg) - if r == 0 then werror("cannot use r0 in displacement") end - if tp then - waction("IMM", scale*1024+5*32+11, format(tp.ctypefmt, tailr)) - return r*65536 - end - end - werror("bad displacement `"..disp.."'") -end - -local function parse_label(label, def) - local prefix = sub(label, 1, 2) - -- =>label (pc label reference) - if prefix == "=>" then - return "PC", 0, sub(label, 3) - end - -- ->name (global label reference) - if prefix == "->" then - return "LG", map_global[sub(label, 3)] - end - if def then - -- [1-9] (local label definition) - if match(label, "^[1-9]$") then - return "LG", 10+tonumber(label) - end - else - -- [<>][1-9] (local label reference) - local dir, lnum = match(label, "^([<>])([1-9])$") - if dir then -- Fwd: 1-9, Bkwd: 11-19. - return "LG", lnum + (dir == ">" and 0 or 10) - end - -- extern label (extern label reference) - local extname = match(label, "^extern%s+(%S+)$") - if extname then - return "EXT", map_extern[extname] - end - end - werror("bad label `"..label.."'") -end - ------------------------------------------------------------------------------- - --- Handle opcodes defined with template strings. -map_op[".template__"] = function(params, template, nparams) - if not params then return sub(template, 9) end - local op = tonumber(sub(template, 1, 8), 16) - local n, rs = 1, 26 - - -- Limit number of section buffer positions used by a single dasm_put(). - -- A single opcode needs a maximum of 3 positions (rlwinm). - if secpos+3 > maxsecpos then wflush() end - local pos = wpos() - - -- Process each character. - for p in gmatch(sub(template, 9), ".") do - if p == "R" then - rs = rs - 5; op = op + parse_gpr(params[n]) * 2^rs; n = n + 1 - elseif p == "F" then - rs = rs - 5; op = op + parse_fpr(params[n]) * 2^rs; n = n + 1 - elseif p == "A" then - rs = rs - 5; op = op + parse_imm(params[n], 5, rs, 0, false); n = n + 1 - elseif p == "S" then - rs = rs - 5; op = op + parse_imm(params[n], 5, rs, 0, true); n = n + 1 - elseif p == "I" then - op = op + parse_imm(params[n], 16, 0, 0, true); n = n + 1 - elseif p == "U" then - op = op + parse_imm(params[n], 16, 0, 0, false); n = n + 1 - elseif p == "D" then - op = op + parse_disp(params[n]); n = n + 1 - elseif p == "2" then - op = op + parse_u5disp(params[n], 1); n = n + 1 - elseif p == "4" then - op = op + parse_u5disp(params[n], 2); n = n + 1 - elseif p == "8" then - op = op + parse_u5disp(params[n], 3); n = n + 1 - elseif p == "C" then - rs = rs - 5; op = op + parse_cond(params[n]) * 2^rs; n = n + 1 - elseif p == "X" then - rs = rs - 5; op = op + parse_cr(params[n]) * 2^(rs+2); n = n + 1 - elseif p == "W" then - op = op + parse_cr(params[n]); n = n + 1 - elseif p == "G" then - op = op + parse_imm(params[n], 8, 12, 0, false); n = n + 1 - elseif p == "J" or p == "K" then - local mode, n, s = parse_label(params[n], false) - if p == "K" then n = n + 2048 end - waction("REL_"..mode, n, s, 1) - n = n + 1 - elseif p == "0" then - local mm = 2^rs - local t = op % mm - if ((op - t) / mm) % 32 == 0 then werror("cannot use r0") end - elseif p == "=" or p == "%" then - local mm = 2^(rs + (p == "%" and 5 or 0)) - local t = ((op - op % mm) / mm) % 32 - rs = rs - 5 - op = op + t * 2^rs - elseif p == "~" then - local mm = 2^rs - local t1l = op % mm - local t1h = (op - t1l) / mm - local t2l = t1h % 32 - local t2h = (t1h - t2l) / 32 - local t3l = t2h % 32 - op = ((t2h - t3l + t2l)*32 + t3l)*mm + t1l - elseif p == "-" then - rs = rs - 5 - elseif p == "." then - -- Ignored. - else - assert(false) - end - end - wputpos(pos, op) -end - ------------------------------------------------------------------------------- - --- Pseudo-opcode to mark the position where the action list is to be emitted. -map_op[".actionlist_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeactions(out, name) end) -end - --- Pseudo-opcode to mark the position where the global enum is to be emitted. -map_op[".globals_1"] = function(params) - if not params then return "prefix" end - local prefix = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeglobals(out, prefix) end) -end - --- Pseudo-opcode to mark the position where the global names are to be emitted. -map_op[".globalnames_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeglobalnames(out, name) end) -end - --- Pseudo-opcode to mark the position where the extern names are to be emitted. -map_op[".externnames_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeexternnames(out, name) end) -end - ------------------------------------------------------------------------------- - --- Label pseudo-opcode (converted from trailing colon form). -map_op[".label_1"] = function(params) - if not params then return "[1-9] | ->global | =>pcexpr" end - if secpos+1 > maxsecpos then wflush() end - local mode, n, s = parse_label(params[1], true) - if mode == "EXT" then werror("bad label definition") end - waction("LABEL_"..mode, n, s, 1) -end - ------------------------------------------------------------------------------- - --- Pseudo-opcodes for data storage. -map_op[".long_*"] = function(params) - if not params then return "imm..." end - for _,p in ipairs(params) do - local n = tonumber(p) - if not n then werror("bad immediate `"..p.."'") end - if n < 0 then n = n + 2^32 end - wputw(n) - if secpos+2 > maxsecpos then wflush() end - end -end - --- Alignment pseudo-opcode. -map_op[".align_1"] = function(params) - if not params then return "numpow2" end - if secpos+1 > maxsecpos then wflush() end - local align = tonumber(params[1]) - if align then - local x = align - -- Must be a power of 2 in the range (2 ... 256). - for i=1,8 do - x = x / 2 - if x == 1 then - waction("ALIGN", align-1, nil, 1) -- Action byte is 2**n-1. - return - end - end - end - werror("bad alignment") -end - ------------------------------------------------------------------------------- - --- Pseudo-opcode for (primitive) type definitions (map to C types). -map_op[".type_3"] = function(params, nparams) - if not params then - return nparams == 2 and "name, ctype" or "name, ctype, reg" - end - local name, ctype, reg = params[1], params[2], params[3] - if not match(name, "^[%a_][%w_]*$") then - werror("bad type name `"..name.."'") - end - local tp = map_type[name] - if tp then - werror("duplicate type `"..name.."'") - end - -- Add #type to defines. A bit unclean to put it in map_archdef. - map_archdef["#"..name] = "sizeof("..ctype..")" - -- Add new type and emit shortcut define. - local num = ctypenum + 1 - map_type[name] = { - ctype = ctype, - ctypefmt = format("Dt%X(%%s)", num), - reg = reg, - } - wline(format("#define Dt%X(_V) (int)(ptrdiff_t)&(((%s *)0)_V)", num, ctype)) - ctypenum = num -end -map_op[".type_2"] = map_op[".type_3"] - --- Dump type definitions. -local function dumptypes(out, lvl) - local t = {} - for name in pairs(map_type) do t[#t+1] = name end - sort(t) - out:write("Type definitions:\n") - for _,name in ipairs(t) do - local tp = map_type[name] - local reg = tp.reg or "" - out:write(format(" %-20s %-20s %s\n", name, tp.ctype, reg)) - end - out:write("\n") -end - ------------------------------------------------------------------------------- - --- Set the current section. -function _M.section(num) - waction("SECTION", num) - wflush(true) -- SECTION is a terminal action. -end - ------------------------------------------------------------------------------- - --- Dump architecture description. -function _M.dumparch(out) - out:write(format("DynASM %s version %s, released %s\n\n", - _info.arch, _info.version, _info.release)) - dumpactions(out) -end - --- Dump all user defined elements. -function _M.dumpdef(out, lvl) - dumptypes(out, lvl) - dumpglobals(out, lvl) - dumpexterns(out, lvl) -end - ------------------------------------------------------------------------------- - --- Pass callbacks from/to the DynASM core. -function _M.passcb(wl, we, wf, ww) - wline, werror, wfatal, wwarn = wl, we, wf, ww - return wflush -end - --- Setup the arch-specific module. -function _M.setup(arch, opt) - g_arch, g_opt = arch, opt -end - --- Merge the core maps and the arch-specific maps. -function _M.mergemaps(map_coreop, map_def) - setmetatable(map_op, { __index = map_coreop }) - setmetatable(map_def, { __index = map_archdef }) - return map_op, map_def -end - -return _M - ------------------------------------------------------------------------------- - diff --git a/libraries/luajit-2.0/dynasm/dasm_proto.h b/libraries/luajit-2.0/dynasm/dasm_proto.h deleted file mode 100644 index 3cc3af2..0000000 --- a/libraries/luajit-2.0/dynasm/dasm_proto.h +++ /dev/null @@ -1,83 +0,0 @@ -/* -** DynASM encoding engine prototypes. -** Copyright (C) 2005-2011 Mike Pall. All rights reserved. -** Released under the MIT license. See dynasm.lua for full copyright notice. -*/ - -#ifndef _DASM_PROTO_H -#define _DASM_PROTO_H - -#include -#include - -#define DASM_IDENT "DynASM 1.3.0" -#define DASM_VERSION 10300 /* 1.3.0 */ - -#ifndef Dst_DECL -#define Dst_DECL dasm_State **Dst -#endif - -#ifndef Dst_REF -#define Dst_REF (*Dst) -#endif - -#ifndef DASM_FDEF -#define DASM_FDEF extern -#endif - -#ifndef DASM_M_GROW -#define DASM_M_GROW(ctx, t, p, sz, need) \ - do { \ - size_t _sz = (sz), _need = (need); \ - if (_sz < _need) { \ - if (_sz < 16) _sz = 16; \ - while (_sz < _need) _sz += _sz; \ - (p) = (t *)realloc((p), _sz); \ - if ((p) == NULL) exit(1); \ - (sz) = _sz; \ - } \ - } while(0) -#endif - -#ifndef DASM_M_FREE -#define DASM_M_FREE(ctx, p, sz) free(p) -#endif - -/* Internal DynASM encoder state. */ -typedef struct dasm_State dasm_State; - - -/* Initialize and free DynASM state. */ -DASM_FDEF void dasm_init(Dst_DECL, int maxsection); -DASM_FDEF void dasm_free(Dst_DECL); - -/* Setup global array. Must be called before dasm_setup(). */ -DASM_FDEF void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl); - -/* Grow PC label array. Can be called after dasm_setup(), too. */ -DASM_FDEF void dasm_growpc(Dst_DECL, unsigned int maxpc); - -/* Setup encoder. */ -DASM_FDEF void dasm_setup(Dst_DECL, const void *actionlist); - -/* Feed encoder with actions. Calls are generated by pre-processor. */ -DASM_FDEF void dasm_put(Dst_DECL, int start, ...); - -/* Link sections and return the resulting size. */ -DASM_FDEF int dasm_link(Dst_DECL, size_t *szp); - -/* Encode sections into buffer. */ -DASM_FDEF int dasm_encode(Dst_DECL, void *buffer); - -/* Get PC label offset. */ -DASM_FDEF int dasm_getpclabel(Dst_DECL, unsigned int pc); - -#ifdef DASM_CHECKS -/* Optional sanity checker to call between isolated encoding steps. */ -DASM_FDEF int dasm_checkstep(Dst_DECL, int secmatch); -#else -#define dasm_checkstep(a, b) 0 -#endif - - -#endif /* _DASM_PROTO_H */ diff --git a/libraries/luajit-2.0/dynasm/dasm_x64.lua b/libraries/luajit-2.0/dynasm/dasm_x64.lua deleted file mode 100644 index 73e01e9..0000000 --- a/libraries/luajit-2.0/dynasm/dasm_x64.lua +++ /dev/null @@ -1,12 +0,0 @@ ------------------------------------------------------------------------------- --- DynASM x64 module. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- See dynasm.lua for full copyright notice. ------------------------------------------------------------------------------- --- This module just sets 64 bit mode for the combined x86/x64 module. --- All the interesting stuff is there. ------------------------------------------------------------------------------- - -x64 = true -- Using a global is an ugly, but effective solution. -return require("dasm_x86") diff --git a/libraries/luajit-2.0/dynasm/dasm_x86.h b/libraries/luajit-2.0/dynasm/dasm_x86.h deleted file mode 100644 index 8f2dd1c..0000000 --- a/libraries/luajit-2.0/dynasm/dasm_x86.h +++ /dev/null @@ -1,470 +0,0 @@ -/* -** DynASM x86 encoding engine. -** Copyright (C) 2005-2011 Mike Pall. All rights reserved. -** Released under the MIT license. See dynasm.lua for full copyright notice. -*/ - -#include -#include -#include -#include - -#define DASM_ARCH "x86" - -#ifndef DASM_EXTERN -#define DASM_EXTERN(a,b,c,d) 0 -#endif - -/* Action definitions. DASM_STOP must be 255. */ -enum { - DASM_DISP = 233, - DASM_IMM_S, DASM_IMM_B, DASM_IMM_W, DASM_IMM_D, DASM_IMM_WB, DASM_IMM_DB, - DASM_VREG, DASM_SPACE, DASM_SETLABEL, DASM_REL_A, DASM_REL_LG, DASM_REL_PC, - DASM_IMM_LG, DASM_IMM_PC, DASM_LABEL_LG, DASM_LABEL_PC, DASM_ALIGN, - DASM_EXTERN, DASM_ESC, DASM_MARK, DASM_SECTION, DASM_STOP -}; - -/* Maximum number of section buffer positions for a single dasm_put() call. */ -#define DASM_MAXSECPOS 25 - -/* DynASM encoder status codes. Action list offset or number are or'ed in. */ -#define DASM_S_OK 0x00000000 -#define DASM_S_NOMEM 0x01000000 -#define DASM_S_PHASE 0x02000000 -#define DASM_S_MATCH_SEC 0x03000000 -#define DASM_S_RANGE_I 0x11000000 -#define DASM_S_RANGE_SEC 0x12000000 -#define DASM_S_RANGE_LG 0x13000000 -#define DASM_S_RANGE_PC 0x14000000 -#define DASM_S_RANGE_VREG 0x15000000 -#define DASM_S_UNDEF_L 0x21000000 -#define DASM_S_UNDEF_PC 0x22000000 - -/* Macros to convert positions (8 bit section + 24 bit index). */ -#define DASM_POS2IDX(pos) ((pos)&0x00ffffff) -#define DASM_POS2BIAS(pos) ((pos)&0xff000000) -#define DASM_SEC2POS(sec) ((sec)<<24) -#define DASM_POS2SEC(pos) ((pos)>>24) -#define DASM_POS2PTR(D, pos) (D->sections[DASM_POS2SEC(pos)].rbuf + (pos)) - -/* Action list type. */ -typedef const unsigned char *dasm_ActList; - -/* Per-section structure. */ -typedef struct dasm_Section { - int *rbuf; /* Biased buffer pointer (negative section bias). */ - int *buf; /* True buffer pointer. */ - size_t bsize; /* Buffer size in bytes. */ - int pos; /* Biased buffer position. */ - int epos; /* End of biased buffer position - max single put. */ - int ofs; /* Byte offset into section. */ -} dasm_Section; - -/* Core structure holding the DynASM encoding state. */ -struct dasm_State { - size_t psize; /* Allocated size of this structure. */ - dasm_ActList actionlist; /* Current actionlist pointer. */ - int *lglabels; /* Local/global chain/pos ptrs. */ - size_t lgsize; - int *pclabels; /* PC label chains/pos ptrs. */ - size_t pcsize; - void **globals; /* Array of globals (bias -10). */ - dasm_Section *section; /* Pointer to active section. */ - size_t codesize; /* Total size of all code sections. */ - int maxsection; /* 0 <= sectionidx < maxsection. */ - int status; /* Status code. */ - dasm_Section sections[1]; /* All sections. Alloc-extended. */ -}; - -/* The size of the core structure depends on the max. number of sections. */ -#define DASM_PSZ(ms) (sizeof(dasm_State)+(ms-1)*sizeof(dasm_Section)) - - -/* Initialize DynASM state. */ -void dasm_init(Dst_DECL, int maxsection) -{ - dasm_State *D; - size_t psz = 0; - int i; - Dst_REF = NULL; - DASM_M_GROW(Dst, struct dasm_State, Dst_REF, psz, DASM_PSZ(maxsection)); - D = Dst_REF; - D->psize = psz; - D->lglabels = NULL; - D->lgsize = 0; - D->pclabels = NULL; - D->pcsize = 0; - D->globals = NULL; - D->maxsection = maxsection; - for (i = 0; i < maxsection; i++) { - D->sections[i].buf = NULL; /* Need this for pass3. */ - D->sections[i].rbuf = D->sections[i].buf - DASM_SEC2POS(i); - D->sections[i].bsize = 0; - D->sections[i].epos = 0; /* Wrong, but is recalculated after resize. */ - } -} - -/* Free DynASM state. */ -void dasm_free(Dst_DECL) -{ - dasm_State *D = Dst_REF; - int i; - for (i = 0; i < D->maxsection; i++) - if (D->sections[i].buf) - DASM_M_FREE(Dst, D->sections[i].buf, D->sections[i].bsize); - if (D->pclabels) DASM_M_FREE(Dst, D->pclabels, D->pcsize); - if (D->lglabels) DASM_M_FREE(Dst, D->lglabels, D->lgsize); - DASM_M_FREE(Dst, D, D->psize); -} - -/* Setup global label array. Must be called before dasm_setup(). */ -void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl) -{ - dasm_State *D = Dst_REF; - D->globals = gl - 10; /* Negative bias to compensate for locals. */ - DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int)); -} - -/* Grow PC label array. Can be called after dasm_setup(), too. */ -void dasm_growpc(Dst_DECL, unsigned int maxpc) -{ - dasm_State *D = Dst_REF; - size_t osz = D->pcsize; - DASM_M_GROW(Dst, int, D->pclabels, D->pcsize, maxpc*sizeof(int)); - memset((void *)(((unsigned char *)D->pclabels)+osz), 0, D->pcsize-osz); -} - -/* Setup encoder. */ -void dasm_setup(Dst_DECL, const void *actionlist) -{ - dasm_State *D = Dst_REF; - int i; - D->actionlist = (dasm_ActList)actionlist; - D->status = DASM_S_OK; - D->section = &D->sections[0]; - memset((void *)D->lglabels, 0, D->lgsize); - if (D->pclabels) memset((void *)D->pclabels, 0, D->pcsize); - for (i = 0; i < D->maxsection; i++) { - D->sections[i].pos = DASM_SEC2POS(i); - D->sections[i].ofs = 0; - } -} - - -#ifdef DASM_CHECKS -#define CK(x, st) \ - do { if (!(x)) { \ - D->status = DASM_S_##st|(int)(p-D->actionlist-1); return; } } while (0) -#define CKPL(kind, st) \ - do { if ((size_t)((char *)pl-(char *)D->kind##labels) >= D->kind##size) { \ - D->status=DASM_S_RANGE_##st|(int)(p-D->actionlist-1); return; } } while (0) -#else -#define CK(x, st) ((void)0) -#define CKPL(kind, st) ((void)0) -#endif - -/* Pass 1: Store actions and args, link branches/labels, estimate offsets. */ -void dasm_put(Dst_DECL, int start, ...) -{ - va_list ap; - dasm_State *D = Dst_REF; - dasm_ActList p = D->actionlist + start; - dasm_Section *sec = D->section; - int pos = sec->pos, ofs = sec->ofs, mrm = 4; - int *b; - - if (pos >= sec->epos) { - DASM_M_GROW(Dst, int, sec->buf, sec->bsize, - sec->bsize + 2*DASM_MAXSECPOS*sizeof(int)); - sec->rbuf = sec->buf - DASM_POS2BIAS(pos); - sec->epos = (int)sec->bsize/sizeof(int) - DASM_MAXSECPOS+DASM_POS2BIAS(pos); - } - - b = sec->rbuf; - b[pos++] = start; - - va_start(ap, start); - while (1) { - int action = *p++; - if (action < DASM_DISP) { - ofs++; - } else if (action <= DASM_REL_A) { - int n = va_arg(ap, int); - b[pos++] = n; - switch (action) { - case DASM_DISP: - if (n == 0) { if ((mrm&7) == 4) mrm = p[-2]; if ((mrm&7) != 5) break; } - case DASM_IMM_DB: if (((n+128)&-256) == 0) goto ob; - case DASM_REL_A: /* Assumes ptrdiff_t is int. !x64 */ - case DASM_IMM_D: ofs += 4; break; - case DASM_IMM_S: CK(((n+128)&-256) == 0, RANGE_I); goto ob; - case DASM_IMM_B: CK((n&-256) == 0, RANGE_I); ob: ofs++; break; - case DASM_IMM_WB: if (((n+128)&-256) == 0) goto ob; - case DASM_IMM_W: CK((n&-65536) == 0, RANGE_I); ofs += 2; break; - case DASM_SPACE: p++; ofs += n; break; - case DASM_SETLABEL: b[pos-2] = -0x40000000; break; /* Neg. label ofs. */ - case DASM_VREG: CK((n&-8) == 0 && (n != 4 || (*p&1) == 0), RANGE_VREG); - if (*p++ == 1 && *p == DASM_DISP) mrm = n; continue; - } - mrm = 4; - } else { - int *pl, n; - switch (action) { - case DASM_REL_LG: - case DASM_IMM_LG: - n = *p++; pl = D->lglabels + n; - if (n <= 246) { CKPL(lg, LG); goto putrel; } /* Bkwd rel or global. */ - pl -= 246; n = *pl; - if (n < 0) n = 0; /* Start new chain for fwd rel if label exists. */ - goto linkrel; - case DASM_REL_PC: - case DASM_IMM_PC: pl = D->pclabels + va_arg(ap, int); CKPL(pc, PC); - putrel: - n = *pl; - if (n < 0) { /* Label exists. Get label pos and store it. */ - b[pos] = -n; - } else { - linkrel: - b[pos] = n; /* Else link to rel chain, anchored at label. */ - *pl = pos; - } - pos++; - ofs += 4; /* Maximum offset needed. */ - if (action == DASM_REL_LG || action == DASM_REL_PC) - b[pos++] = ofs; /* Store pass1 offset estimate. */ - break; - case DASM_LABEL_LG: pl = D->lglabels + *p++; CKPL(lg, LG); goto putlabel; - case DASM_LABEL_PC: pl = D->pclabels + va_arg(ap, int); CKPL(pc, PC); - putlabel: - n = *pl; /* n > 0: Collapse rel chain and replace with label pos. */ - while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = pos; } - *pl = -pos; /* Label exists now. */ - b[pos++] = ofs; /* Store pass1 offset estimate. */ - break; - case DASM_ALIGN: - ofs += *p++; /* Maximum alignment needed (arg is 2**n-1). */ - b[pos++] = ofs; /* Store pass1 offset estimate. */ - break; - case DASM_EXTERN: p += 2; ofs += 4; break; - case DASM_ESC: p++; ofs++; break; - case DASM_MARK: mrm = p[-2]; break; - case DASM_SECTION: - n = *p; CK(n < D->maxsection, RANGE_SEC); D->section = &D->sections[n]; - case DASM_STOP: goto stop; - } - } - } -stop: - va_end(ap); - sec->pos = pos; - sec->ofs = ofs; -} -#undef CK - -/* Pass 2: Link sections, shrink branches/aligns, fix label offsets. */ -int dasm_link(Dst_DECL, size_t *szp) -{ - dasm_State *D = Dst_REF; - int secnum; - int ofs = 0; - -#ifdef DASM_CHECKS - *szp = 0; - if (D->status != DASM_S_OK) return D->status; - { - int pc; - for (pc = 0; pc*sizeof(int) < D->pcsize; pc++) - if (D->pclabels[pc] > 0) return DASM_S_UNDEF_PC|pc; - } -#endif - - { /* Handle globals not defined in this translation unit. */ - int idx; - for (idx = 10; idx*sizeof(int) < D->lgsize; idx++) { - int n = D->lglabels[idx]; - /* Undefined label: Collapse rel chain and replace with marker (< 0). */ - while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = -idx; } - } - } - - /* Combine all code sections. No support for data sections (yet). */ - for (secnum = 0; secnum < D->maxsection; secnum++) { - dasm_Section *sec = D->sections + secnum; - int *b = sec->rbuf; - int pos = DASM_SEC2POS(secnum); - int lastpos = sec->pos; - - while (pos != lastpos) { - dasm_ActList p = D->actionlist + b[pos++]; - while (1) { - int op, action = *p++; - switch (action) { - case DASM_REL_LG: p++; op = p[-3]; goto rel_pc; - case DASM_REL_PC: op = p[-2]; rel_pc: { - int shrink = op == 0xe9 ? 3 : ((op&0xf0) == 0x80 ? 4 : 0); - if (shrink) { /* Shrinkable branch opcode? */ - int lofs, lpos = b[pos]; - if (lpos < 0) goto noshrink; /* Ext global? */ - lofs = *DASM_POS2PTR(D, lpos); - if (lpos > pos) { /* Fwd label: add cumulative section offsets. */ - int i; - for (i = secnum; i < DASM_POS2SEC(lpos); i++) - lofs += D->sections[i].ofs; - } else { - lofs -= ofs; /* Bkwd label: unfix offset. */ - } - lofs -= b[pos+1]; /* Short branch ok? */ - if (lofs >= -128-shrink && lofs <= 127) ofs -= shrink; /* Yes. */ - else { noshrink: shrink = 0; } /* No, cannot shrink op. */ - } - b[pos+1] = shrink; - pos += 2; - break; - } - case DASM_SPACE: case DASM_IMM_LG: case DASM_VREG: p++; - case DASM_DISP: case DASM_IMM_S: case DASM_IMM_B: case DASM_IMM_W: - case DASM_IMM_D: case DASM_IMM_WB: case DASM_IMM_DB: - case DASM_SETLABEL: case DASM_REL_A: case DASM_IMM_PC: pos++; break; - case DASM_LABEL_LG: p++; - case DASM_LABEL_PC: b[pos++] += ofs; break; /* Fix label offset. */ - case DASM_ALIGN: ofs -= (b[pos++]+ofs)&*p++; break; /* Adjust ofs. */ - case DASM_EXTERN: p += 2; break; - case DASM_ESC: p++; break; - case DASM_MARK: break; - case DASM_SECTION: case DASM_STOP: goto stop; - } - } - stop: (void)0; - } - ofs += sec->ofs; /* Next section starts right after current section. */ - } - - D->codesize = ofs; /* Total size of all code sections */ - *szp = ofs; - return DASM_S_OK; -} - -#define dasmb(x) *cp++ = (unsigned char)(x) -#ifndef DASM_ALIGNED_WRITES -#define dasmw(x) \ - do { *((unsigned short *)cp) = (unsigned short)(x); cp+=2; } while (0) -#define dasmd(x) \ - do { *((unsigned int *)cp) = (unsigned int)(x); cp+=4; } while (0) -#else -#define dasmw(x) do { dasmb(x); dasmb((x)>>8); } while (0) -#define dasmd(x) do { dasmw(x); dasmw((x)>>16); } while (0) -#endif - -/* Pass 3: Encode sections. */ -int dasm_encode(Dst_DECL, void *buffer) -{ - dasm_State *D = Dst_REF; - unsigned char *base = (unsigned char *)buffer; - unsigned char *cp = base; - int secnum; - - /* Encode all code sections. No support for data sections (yet). */ - for (secnum = 0; secnum < D->maxsection; secnum++) { - dasm_Section *sec = D->sections + secnum; - int *b = sec->buf; - int *endb = sec->rbuf + sec->pos; - - while (b != endb) { - dasm_ActList p = D->actionlist + *b++; - unsigned char *mark = NULL; - while (1) { - int action = *p++; - int n = (action >= DASM_DISP && action <= DASM_ALIGN) ? *b++ : 0; - switch (action) { - case DASM_DISP: if (!mark) mark = cp; { - unsigned char *mm = mark; - if (*p != DASM_IMM_DB && *p != DASM_IMM_WB) mark = NULL; - if (n == 0) { int mrm = mm[-1]&7; if (mrm == 4) mrm = mm[0]&7; - if (mrm != 5) { mm[-1] -= 0x80; break; } } - if (((n+128) & -256) != 0) goto wd; else mm[-1] -= 0x40; - } - case DASM_IMM_S: case DASM_IMM_B: wb: dasmb(n); break; - case DASM_IMM_DB: if (((n+128)&-256) == 0) { - db: if (!mark) mark = cp; mark[-2] += 2; mark = NULL; goto wb; - } else mark = NULL; - case DASM_IMM_D: wd: dasmd(n); break; - case DASM_IMM_WB: if (((n+128)&-256) == 0) goto db; else mark = NULL; - case DASM_IMM_W: dasmw(n); break; - case DASM_VREG: { int t = *p++; if (t >= 2) n<<=3; cp[-1] |= n; break; } - case DASM_REL_LG: p++; if (n >= 0) goto rel_pc; - b++; n = (int)(ptrdiff_t)D->globals[-n]; - case DASM_REL_A: rel_a: n -= (int)(ptrdiff_t)(cp+4); goto wd; /* !x64 */ - case DASM_REL_PC: rel_pc: { - int shrink = *b++; - int *pb = DASM_POS2PTR(D, n); if (*pb < 0) { n = pb[1]; goto rel_a; } - n = *pb - ((int)(cp-base) + 4-shrink); - if (shrink == 0) goto wd; - if (shrink == 4) { cp--; cp[-1] = *cp-0x10; } else cp[-1] = 0xeb; - goto wb; - } - case DASM_IMM_LG: - p++; if (n < 0) { n = (int)(ptrdiff_t)D->globals[-n]; goto wd; } - case DASM_IMM_PC: { - int *pb = DASM_POS2PTR(D, n); - n = *pb < 0 ? pb[1] : (*pb + (int)(ptrdiff_t)base); - goto wd; - } - case DASM_LABEL_LG: { - int idx = *p++; - if (idx >= 10) - D->globals[idx] = (void *)(base + (*p == DASM_SETLABEL ? *b : n)); - break; - } - case DASM_LABEL_PC: case DASM_SETLABEL: break; - case DASM_SPACE: { int fill = *p++; while (n--) *cp++ = fill; break; } - case DASM_ALIGN: - n = *p++; - while (((cp-base) & n)) *cp++ = 0x90; /* nop */ - break; - case DASM_EXTERN: n = DASM_EXTERN(Dst, cp, p[1], *p); p += 2; goto wd; - case DASM_MARK: mark = cp; break; - case DASM_ESC: action = *p++; - default: *cp++ = action; break; - case DASM_SECTION: case DASM_STOP: goto stop; - } - } - stop: (void)0; - } - } - - if (base + D->codesize != cp) /* Check for phase errors. */ - return DASM_S_PHASE; - return DASM_S_OK; -} - -/* Get PC label offset. */ -int dasm_getpclabel(Dst_DECL, unsigned int pc) -{ - dasm_State *D = Dst_REF; - if (pc*sizeof(int) < D->pcsize) { - int pos = D->pclabels[pc]; - if (pos < 0) return *DASM_POS2PTR(D, -pos); - if (pos > 0) return -1; /* Undefined. */ - } - return -2; /* Unused or out of range. */ -} - -#ifdef DASM_CHECKS -/* Optional sanity checker to call between isolated encoding steps. */ -int dasm_checkstep(Dst_DECL, int secmatch) -{ - dasm_State *D = Dst_REF; - if (D->status == DASM_S_OK) { - int i; - for (i = 1; i <= 9; i++) { - if (D->lglabels[i] > 0) { D->status = DASM_S_UNDEF_L|i; break; } - D->lglabels[i] = 0; - } - } - if (D->status == DASM_S_OK && secmatch >= 0 && - D->section != &D->sections[secmatch]) - D->status = DASM_S_MATCH_SEC|(int)(D->section-D->sections); - return D->status; -} -#endif - diff --git a/libraries/luajit-2.0/dynasm/dasm_x86.lua b/libraries/luajit-2.0/dynasm/dasm_x86.lua deleted file mode 100644 index 5571f93..0000000 --- a/libraries/luajit-2.0/dynasm/dasm_x86.lua +++ /dev/null @@ -1,1931 +0,0 @@ ------------------------------------------------------------------------------- --- DynASM x86/x64 module. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- See dynasm.lua for full copyright notice. ------------------------------------------------------------------------------- - -local x64 = x64 - --- Module information: -local _info = { - arch = x64 and "x64" or "x86", - description = "DynASM x86/x64 module", - version = "1.3.0", - vernum = 10300, - release = "2011-05-05", - author = "Mike Pall", - license = "MIT", -} - --- Exported glue functions for the arch-specific module. -local _M = { _info = _info } - --- Cache library functions. -local type, tonumber, pairs, ipairs = type, tonumber, pairs, ipairs -local assert, unpack, setmetatable = assert, unpack, setmetatable -local _s = string -local sub, format, byte, char = _s.sub, _s.format, _s.byte, _s.char -local find, match, gmatch, gsub = _s.find, _s.match, _s.gmatch, _s.gsub -local concat, sort = table.concat, table.sort - --- Inherited tables and callbacks. -local g_opt, g_arch -local wline, werror, wfatal, wwarn - --- Action name list. --- CHECK: Keep this in sync with the C code! -local action_names = { - -- int arg, 1 buffer pos: - "DISP", "IMM_S", "IMM_B", "IMM_W", "IMM_D", "IMM_WB", "IMM_DB", - -- action arg (1 byte), int arg, 1 buffer pos (reg/num): - "VREG", "SPACE", -- !x64: VREG support NYI. - -- ptrdiff_t arg, 1 buffer pos (address): !x64 - "SETLABEL", "REL_A", - -- action arg (1 byte) or int arg, 2 buffer pos (link, offset): - "REL_LG", "REL_PC", - -- action arg (1 byte) or int arg, 1 buffer pos (link): - "IMM_LG", "IMM_PC", - -- action arg (1 byte) or int arg, 1 buffer pos (offset): - "LABEL_LG", "LABEL_PC", - -- action arg (1 byte), 1 buffer pos (offset): - "ALIGN", - -- action args (2 bytes), no buffer pos. - "EXTERN", - -- action arg (1 byte), no buffer pos. - "ESC", - -- no action arg, no buffer pos. - "MARK", - -- action arg (1 byte), no buffer pos, terminal action: - "SECTION", - -- no args, no buffer pos, terminal action: - "STOP" -} - --- Maximum number of section buffer positions for dasm_put(). --- CHECK: Keep this in sync with the C code! -local maxsecpos = 25 -- Keep this low, to avoid excessively long C lines. - --- Action name -> action number (dynamically generated below). -local map_action = {} --- First action number. Everything below does not need to be escaped. -local actfirst = 256-#action_names - --- Action list buffer and string (only used to remove dupes). -local actlist = {} -local actstr = "" - --- Argument list for next dasm_put(). Start with offset 0 into action list. -local actargs = { 0 } - --- Current number of section buffer positions for dasm_put(). -local secpos = 1 - ------------------------------------------------------------------------------- - --- Compute action numbers for action names. -for n,name in ipairs(action_names) do - local num = actfirst + n - 1 - map_action[name] = num -end - --- Dump action names and numbers. -local function dumpactions(out) - out:write("DynASM encoding engine action codes:\n") - for n,name in ipairs(action_names) do - local num = map_action[name] - out:write(format(" %-10s %02X %d\n", name, num, num)) - end - out:write("\n") -end - --- Write action list buffer as a huge static C array. -local function writeactions(out, name) - local nn = #actlist - local last = actlist[nn] or 255 - actlist[nn] = nil -- Remove last byte. - if nn == 0 then nn = 1 end - out:write("static const unsigned char ", name, "[", nn, "] = {\n") - local s = " " - for n,b in ipairs(actlist) do - s = s..b.."," - if #s >= 75 then - assert(out:write(s, "\n")) - s = " " - end - end - out:write(s, last, "\n};\n\n") -- Add last byte back. -end - ------------------------------------------------------------------------------- - --- Add byte to action list. -local function wputxb(n) - assert(n >= 0 and n <= 255 and n % 1 == 0, "byte out of range") - actlist[#actlist+1] = n -end - --- Add action to list with optional arg. Advance buffer pos, too. -local function waction(action, a, num) - wputxb(assert(map_action[action], "bad action name `"..action.."'")) - if a then actargs[#actargs+1] = a end - if a or num then secpos = secpos + (num or 1) end -end - --- Add call to embedded DynASM C code. -local function wcall(func, args) - wline(format("dasm_%s(Dst, %s);", func, concat(args, ", ")), true) -end - --- Delete duplicate action list chunks. A tad slow, but so what. -local function dedupechunk(offset) - local al, as = actlist, actstr - local chunk = char(unpack(al, offset+1, #al)) - local orig = find(as, chunk, 1, true) - if orig then - actargs[1] = orig-1 -- Replace with original offset. - for i=offset+1,#al do al[i] = nil end -- Kill dupe. - else - actstr = as..chunk - end -end - --- Flush action list (intervening C code or buffer pos overflow). -local function wflush(term) - local offset = actargs[1] - if #actlist == offset then return end -- Nothing to flush. - if not term then waction("STOP") end -- Terminate action list. - dedupechunk(offset) - wcall("put", actargs) -- Add call to dasm_put(). - actargs = { #actlist } -- Actionlist offset is 1st arg to next dasm_put(). - secpos = 1 -- The actionlist offset occupies a buffer position, too. -end - --- Put escaped byte. -local function wputb(n) - if n >= actfirst then waction("ESC") end -- Need to escape byte. - wputxb(n) -end - ------------------------------------------------------------------------------- - --- Global label name -> global label number. With auto assignment on 1st use. -local next_global = 10 -local map_global = setmetatable({}, { __index = function(t, name) - if not match(name, "^[%a_][%w_@]*$") then werror("bad global label") end - local n = next_global - if n > 246 then werror("too many global labels") end - next_global = n + 1 - t[name] = n - return n -end}) - --- Dump global labels. -local function dumpglobals(out, lvl) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("Global labels:\n") - for i=10,next_global-1 do - out:write(format(" %s\n", t[i])) - end - out:write("\n") -end - --- Write global label enum. -local function writeglobals(out, prefix) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("enum {\n") - for i=10,next_global-1 do - out:write(" ", prefix, gsub(t[i], "@.*", ""), ",\n") - end - out:write(" ", prefix, "_MAX\n};\n") -end - --- Write global label names. -local function writeglobalnames(out, name) - local t = {} - for name, n in pairs(map_global) do t[n] = name end - out:write("static const char *const ", name, "[] = {\n") - for i=10,next_global-1 do - out:write(" \"", t[i], "\",\n") - end - out:write(" (const char *)0\n};\n") -end - ------------------------------------------------------------------------------- - --- Extern label name -> extern label number. With auto assignment on 1st use. -local next_extern = -1 -local map_extern = setmetatable({}, { __index = function(t, name) - -- No restrictions on the name for now. - local n = next_extern - if n < -256 then werror("too many extern labels") end - next_extern = n - 1 - t[name] = n - return n -end}) - --- Dump extern labels. -local function dumpexterns(out, lvl) - local t = {} - for name, n in pairs(map_extern) do t[-n] = name end - out:write("Extern labels:\n") - for i=1,-next_extern-1 do - out:write(format(" %s\n", t[i])) - end - out:write("\n") -end - --- Write extern label names. -local function writeexternnames(out, name) - local t = {} - for name, n in pairs(map_extern) do t[-n] = name end - out:write("static const char *const ", name, "[] = {\n") - for i=1,-next_extern-1 do - out:write(" \"", t[i], "\",\n") - end - out:write(" (const char *)0\n};\n") -end - ------------------------------------------------------------------------------- - --- Arch-specific maps. -local map_archdef = {} -- Ext. register name -> int. name. -local map_reg_rev = {} -- Int. register name -> ext. name. -local map_reg_num = {} -- Int. register name -> register number. -local map_reg_opsize = {} -- Int. register name -> operand size. -local map_reg_valid_base = {} -- Int. register name -> valid base register? -local map_reg_valid_index = {} -- Int. register name -> valid index register? -local map_reg_needrex = {} -- Int. register name -> need rex vs. no rex. -local reg_list = {} -- Canonical list of int. register names. - -local map_type = {} -- Type name -> { ctype, reg } -local ctypenum = 0 -- Type number (for _PTx macros). - -local addrsize = x64 and "q" or "d" -- Size for address operands. - --- Helper functions to fill register maps. -local function mkrmap(sz, cl, names) - local cname = format("@%s", sz) - reg_list[#reg_list+1] = cname - map_archdef[cl] = cname - map_reg_rev[cname] = cl - map_reg_num[cname] = -1 - map_reg_opsize[cname] = sz - if sz == addrsize or sz == "d" then - map_reg_valid_base[cname] = true - map_reg_valid_index[cname] = true - end - if names then - for n,name in ipairs(names) do - local iname = format("@%s%x", sz, n-1) - reg_list[#reg_list+1] = iname - map_archdef[name] = iname - map_reg_rev[iname] = name - map_reg_num[iname] = n-1 - map_reg_opsize[iname] = sz - if sz == "b" and n > 4 then map_reg_needrex[iname] = false end - if sz == addrsize or sz == "d" then - map_reg_valid_base[iname] = true - map_reg_valid_index[iname] = true - end - end - end - for i=0,(x64 and sz ~= "f") and 15 or 7 do - local needrex = sz == "b" and i > 3 - local iname = format("@%s%x%s", sz, i, needrex and "R" or "") - if needrex then map_reg_needrex[iname] = true end - local name - if sz == "o" then name = format("xmm%d", i) - elseif sz == "f" then name = format("st%d", i) - else name = format("r%d%s", i, sz == addrsize and "" or sz) end - map_archdef[name] = iname - if not map_reg_rev[iname] then - reg_list[#reg_list+1] = iname - map_reg_rev[iname] = name - map_reg_num[iname] = i - map_reg_opsize[iname] = sz - if sz == addrsize or sz == "d" then - map_reg_valid_base[iname] = true - map_reg_valid_index[iname] = true - end - end - end - reg_list[#reg_list+1] = "" -end - --- Integer registers (qword, dword, word and byte sized). -if x64 then - mkrmap("q", "Rq", {"rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi"}) -end -mkrmap("d", "Rd", {"eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi"}) -mkrmap("w", "Rw", {"ax", "cx", "dx", "bx", "sp", "bp", "si", "di"}) -mkrmap("b", "Rb", {"al", "cl", "dl", "bl", "ah", "ch", "dh", "bh"}) -map_reg_valid_index[map_archdef.esp] = false -if x64 then map_reg_valid_index[map_archdef.rsp] = false end -map_archdef["Ra"] = "@"..addrsize - --- FP registers (internally tword sized, but use "f" as operand size). -mkrmap("f", "Rf") - --- SSE registers (oword sized, but qword and dword accessible). -mkrmap("o", "xmm") - --- Operand size prefixes to codes. -local map_opsize = { - byte = "b", word = "w", dword = "d", qword = "q", oword = "o", tword = "t", - aword = addrsize, -} - --- Operand size code to number. -local map_opsizenum = { - b = 1, w = 2, d = 4, q = 8, o = 16, t = 10, -} - --- Operand size code to name. -local map_opsizename = { - b = "byte", w = "word", d = "dword", q = "qword", o = "oword", t = "tword", - f = "fpword", -} - --- Valid index register scale factors. -local map_xsc = { - ["1"] = 0, ["2"] = 1, ["4"] = 2, ["8"] = 3, -} - --- Condition codes. -local map_cc = { - o = 0, no = 1, b = 2, nb = 3, e = 4, ne = 5, be = 6, nbe = 7, - s = 8, ns = 9, p = 10, np = 11, l = 12, nl = 13, le = 14, nle = 15, - c = 2, nae = 2, nc = 3, ae = 3, z = 4, nz = 5, na = 6, a = 7, - pe = 10, po = 11, nge = 12, ge = 13, ng = 14, g = 15, -} - - --- Reverse defines for registers. -function _M.revdef(s) - return gsub(s, "@%w+", map_reg_rev) -end - --- Dump register names and numbers -local function dumpregs(out) - out:write("Register names, sizes and internal numbers:\n") - for _,reg in ipairs(reg_list) do - if reg == "" then - out:write("\n") - else - local name = map_reg_rev[reg] - local num = map_reg_num[reg] - local opsize = map_opsizename[map_reg_opsize[reg]] - out:write(format(" %-5s %-8s %s\n", name, opsize, - num < 0 and "(variable)" or num)) - end - end -end - ------------------------------------------------------------------------------- - --- Put action for label arg (IMM_LG, IMM_PC, REL_LG, REL_PC). -local function wputlabel(aprefix, imm, num) - if type(imm) == "number" then - if imm < 0 then - waction("EXTERN") - wputxb(aprefix == "IMM_" and 0 or 1) - imm = -imm-1 - else - waction(aprefix.."LG", nil, num); - end - wputxb(imm) - else - waction(aprefix.."PC", imm, num) - end -end - --- Put signed byte or arg. -local function wputsbarg(n) - if type(n) == "number" then - if n < -128 or n > 127 then - werror("signed immediate byte out of range") - end - if n < 0 then n = n + 256 end - wputb(n) - else waction("IMM_S", n) end -end - --- Put unsigned byte or arg. -local function wputbarg(n) - if type(n) == "number" then - if n < 0 or n > 255 then - werror("unsigned immediate byte out of range") - end - wputb(n) - else waction("IMM_B", n) end -end - --- Put unsigned word or arg. -local function wputwarg(n) - if type(n) == "number" then - if n < 0 or n > 65535 then - werror("unsigned immediate word out of range") - end - local r = n%256; n = (n-r)/256; wputb(r); wputb(n); - else waction("IMM_W", n) end -end - --- Put signed or unsigned dword or arg. -local function wputdarg(n) - local tn = type(n) - if tn == "number" then - if n < 0 then n = n + 4294967296 end - local r = n%256; n = (n-r)/256; wputb(r); - r = n%256; n = (n-r)/256; wputb(r); - r = n%256; n = (n-r)/256; wputb(r); wputb(n); - elseif tn == "table" then - wputlabel("IMM_", n[1], 1) - else - waction("IMM_D", n) - end -end - --- Put operand-size dependent number or arg (defaults to dword). -local function wputszarg(sz, n) - if not sz or sz == "d" or sz == "q" then wputdarg(n) - elseif sz == "w" then wputwarg(n) - elseif sz == "b" then wputbarg(n) - elseif sz == "s" then wputsbarg(n) - else werror("bad operand size") end -end - --- Put multi-byte opcode with operand-size dependent modifications. -local function wputop(sz, op, rex) - local r - if rex ~= 0 and not x64 then werror("bad operand size") end - if sz == "w" then wputb(102) end - -- Needs >32 bit numbers, but only for crc32 eax, word [ebx] - if op >= 4294967296 then r = op%4294967296 wputb((op-r)/4294967296) op = r end - if op >= 16777216 then r = op % 16777216 wputb((op-r) / 16777216) op = r end - if op >= 65536 then - if rex ~= 0 then - local opc3 = op - op % 256 - if opc3 == 0x0f3a00 or opc3 == 0x0f3800 then - wputb(64 + rex % 16); rex = 0 - end - end - r = op % 65536 wputb((op-r) / 65536) op = r - end - if op >= 256 then - r = op % 256 - local b = (op-r) / 256 - if b == 15 and rex ~= 0 then wputb(64 + rex % 16); rex = 0 end - wputb(b) - op = r - end - if rex ~= 0 then wputb(64 + rex % 16) end - if sz == "b" then op = op - 1 end - wputb(op) -end - --- Put ModRM or SIB formatted byte. -local function wputmodrm(m, s, rm, vs, vrm) - assert(m < 4 and s < 16 and rm < 16, "bad modrm operands") - wputb(64*m + 8*(s%8) + (rm%8)) -end - --- Put ModRM/SIB plus optional displacement. -local function wputmrmsib(t, imark, s, vsreg) - local vreg, vxreg - local reg, xreg = t.reg, t.xreg - if reg and reg < 0 then reg = 0; vreg = t.vreg end - if xreg and xreg < 0 then xreg = 0; vxreg = t.vxreg end - if s < 0 then s = 0 end - - -- Register mode. - if sub(t.mode, 1, 1) == "r" then - wputmodrm(3, s, reg) - if vsreg then waction("VREG", vsreg); wputxb(2) end - if vreg then waction("VREG", vreg); wputxb(0) end - return - end - - local disp = t.disp - local tdisp = type(disp) - -- No base register? - if not reg then - local riprel = false - if xreg then - -- Indexed mode with index register only. - -- [xreg*xsc+disp] -> (0, s, esp) (xsc, xreg, ebp) - wputmodrm(0, s, 4) - if imark == "I" then waction("MARK") end - if vsreg then waction("VREG", vsreg); wputxb(2) end - wputmodrm(t.xsc, xreg, 5) - if vxreg then waction("VREG", vxreg); wputxb(3) end - else - -- Pure 32 bit displacement. - if x64 and tdisp ~= "table" then - wputmodrm(0, s, 4) -- [disp] -> (0, s, esp) (0, esp, ebp) - if imark == "I" then waction("MARK") end - wputmodrm(0, 4, 5) - else - riprel = x64 - wputmodrm(0, s, 5) -- [disp|rip-label] -> (0, s, ebp) - if imark == "I" then waction("MARK") end - end - if vsreg then waction("VREG", vsreg); wputxb(2) end - end - if riprel then -- Emit rip-relative displacement. - if match("UWSiI", imark) then - werror("NYI: rip-relative displacement followed by immediate") - end - -- The previous byte in the action buffer cannot be 0xe9 or 0x80-0x8f. - wputlabel("REL_", disp[1], 2) - else - wputdarg(disp) - end - return - end - - local m - if tdisp == "number" then -- Check displacement size at assembly time. - if disp == 0 and (reg%8) ~= 5 then -- [ebp] -> [ebp+0] (in SIB, too) - if not vreg then m = 0 end -- Force DISP to allow [Rd(5)] -> [ebp+0] - elseif disp >= -128 and disp <= 127 then m = 1 - else m = 2 end - elseif tdisp == "table" then - m = 2 - end - - -- Index register present or esp as base register: need SIB encoding. - if xreg or (reg%8) == 4 then - wputmodrm(m or 2, s, 4) -- ModRM. - if m == nil or imark == "I" then waction("MARK") end - if vsreg then waction("VREG", vsreg); wputxb(2) end - wputmodrm(t.xsc or 0, xreg or 4, reg) -- SIB. - if vxreg then waction("VREG", vxreg); wputxb(3) end - if vreg then waction("VREG", vreg); wputxb(1) end - else - wputmodrm(m or 2, s, reg) -- ModRM. - if (imark == "I" and (m == 1 or m == 2)) or - (m == nil and (vsreg or vreg)) then waction("MARK") end - if vsreg then waction("VREG", vsreg); wputxb(2) end - if vreg then waction("VREG", vreg); wputxb(1) end - end - - -- Put displacement. - if m == 1 then wputsbarg(disp) - elseif m == 2 then wputdarg(disp) - elseif m == nil then waction("DISP", disp) end -end - ------------------------------------------------------------------------------- - --- Return human-readable operand mode string. -local function opmodestr(op, args) - local m = {} - for i=1,#args do - local a = args[i] - m[#m+1] = sub(a.mode, 1, 1)..(a.opsize or "?") - end - return op.." "..concat(m, ",") -end - --- Convert number to valid integer or nil. -local function toint(expr) - local n = tonumber(expr) - if n then - if n % 1 ~= 0 or n < -2147483648 or n > 4294967295 then - werror("bad integer number `"..expr.."'") - end - return n - end -end - --- Parse immediate expression. -local function immexpr(expr) - -- &expr (pointer) - if sub(expr, 1, 1) == "&" then - return "iPJ", format("(ptrdiff_t)(%s)", sub(expr,2)) - end - - local prefix = sub(expr, 1, 2) - -- =>expr (pc label reference) - if prefix == "=>" then - return "iJ", sub(expr, 3) - end - -- ->name (global label reference) - if prefix == "->" then - return "iJ", map_global[sub(expr, 3)] - end - - -- [<>][1-9] (local label reference) - local dir, lnum = match(expr, "^([<>])([1-9])$") - if dir then -- Fwd: 247-255, Bkwd: 1-9. - return "iJ", lnum + (dir == ">" and 246 or 0) - end - - local extname = match(expr, "^extern%s+(%S+)$") - if extname then - return "iJ", map_extern[extname] - end - - -- expr (interpreted as immediate) - return "iI", expr -end - --- Parse displacement expression: +-num, +-expr, +-opsize*num -local function dispexpr(expr) - local disp = expr == "" and 0 or toint(expr) - if disp then return disp end - local c, dispt = match(expr, "^([+-])%s*(.+)$") - if c == "+" then - expr = dispt - elseif not c then - werror("bad displacement expression `"..expr.."'") - end - local opsize, tailops = match(dispt, "^(%w+)%s*%*%s*(.+)$") - local ops, imm = map_opsize[opsize], toint(tailops) - if ops and imm then - if c == "-" then imm = -imm end - return imm*map_opsizenum[ops] - end - local mode, iexpr = immexpr(dispt) - if mode == "iJ" then - if c == "-" then werror("cannot invert label reference") end - return { iexpr } - end - return expr -- Need to return original signed expression. -end - --- Parse register or type expression. -local function rtexpr(expr) - if not expr then return end - local tname, ovreg = match(expr, "^([%w_]+):(@[%w_]+)$") - local tp = map_type[tname or expr] - if tp then - local reg = ovreg or tp.reg - local rnum = map_reg_num[reg] - if not rnum then - werror("type `"..(tname or expr).."' needs a register override") - end - if not map_reg_valid_base[reg] then - werror("bad base register override `"..(map_reg_rev[reg] or reg).."'") - end - return reg, rnum, tp - end - return expr, map_reg_num[expr] -end - --- Parse operand and return { mode, opsize, reg, xreg, xsc, disp, imm }. -local function parseoperand(param) - local t = {} - - local expr = param - local opsize, tailops = match(param, "^(%w+)%s*(.+)$") - if opsize then - t.opsize = map_opsize[opsize] - if t.opsize then expr = tailops end - end - - local br = match(expr, "^%[%s*(.-)%s*%]$") - repeat - if br then - t.mode = "xm" - - -- [disp] - t.disp = toint(br) - if t.disp then - t.mode = x64 and "xm" or "xmO" - break - end - - -- [reg...] - local tp - local reg, tailr = match(br, "^([@%w_:]+)%s*(.*)$") - reg, t.reg, tp = rtexpr(reg) - if not t.reg then - -- [expr] - t.mode = x64 and "xm" or "xmO" - t.disp = dispexpr("+"..br) - break - end - - if t.reg == -1 then - t.vreg, tailr = match(tailr, "^(%b())(.*)$") - if not t.vreg then werror("bad variable register expression") end - end - - -- [xreg*xsc] or [xreg*xsc+-disp] or [xreg*xsc+-expr] - local xsc, tailsc = match(tailr, "^%*%s*([1248])%s*(.*)$") - if xsc then - if not map_reg_valid_index[reg] then - werror("bad index register `"..map_reg_rev[reg].."'") - end - t.xsc = map_xsc[xsc] - t.xreg = t.reg - t.vxreg = t.vreg - t.reg = nil - t.vreg = nil - t.disp = dispexpr(tailsc) - break - end - if not map_reg_valid_base[reg] then - werror("bad base register `"..map_reg_rev[reg].."'") - end - - -- [reg] or [reg+-disp] - t.disp = toint(tailr) or (tailr == "" and 0) - if t.disp then break end - - -- [reg+xreg...] - local xreg, tailx = match(tailr, "^+%s*([@%w_:]+)%s*(.*)$") - xreg, t.xreg, tp = rtexpr(xreg) - if not t.xreg then - -- [reg+-expr] - t.disp = dispexpr(tailr) - break - end - if not map_reg_valid_index[xreg] then - werror("bad index register `"..map_reg_rev[xreg].."'") - end - - if t.xreg == -1 then - t.vxreg, tailx = match(tailx, "^(%b())(.*)$") - if not t.vxreg then werror("bad variable register expression") end - end - - -- [reg+xreg*xsc...] - local xsc, tailsc = match(tailx, "^%*%s*([1248])%s*(.*)$") - if xsc then - t.xsc = map_xsc[xsc] - tailx = tailsc - end - - -- [...] or [...+-disp] or [...+-expr] - t.disp = dispexpr(tailx) - else - -- imm or opsize*imm - local imm = toint(expr) - if not imm and sub(expr, 1, 1) == "*" and t.opsize then - imm = toint(sub(expr, 2)) - if imm then - imm = imm * map_opsizenum[t.opsize] - t.opsize = nil - end - end - if imm then - if t.opsize then werror("bad operand size override") end - local m = "i" - if imm == 1 then m = m.."1" end - if imm >= 4294967168 and imm <= 4294967295 then imm = imm-4294967296 end - if imm >= -128 and imm <= 127 then m = m.."S" end - t.imm = imm - t.mode = m - break - end - - local tp - local reg, tailr = match(expr, "^([@%w_:]+)%s*(.*)$") - reg, t.reg, tp = rtexpr(reg) - if t.reg then - if t.reg == -1 then - t.vreg, tailr = match(tailr, "^(%b())(.*)$") - if not t.vreg then werror("bad variable register expression") end - end - -- reg - if tailr == "" then - if t.opsize then werror("bad operand size override") end - t.opsize = map_reg_opsize[reg] - if t.opsize == "f" then - t.mode = t.reg == 0 and "fF" or "f" - else - if reg == "@w4" or (x64 and reg == "@d4") then - wwarn("bad idea, try again with `"..(x64 and "rsp'" or "esp'")) - end - t.mode = t.reg == 0 and "rmR" or (reg == "@b1" and "rmC" or "rm") - end - t.needrex = map_reg_needrex[reg] - break - end - - -- type[idx], type[idx].field, type->field -> [reg+offset_expr] - if not tp then werror("bad operand `"..param.."'") end - t.mode = "xm" - t.disp = format(tp.ctypefmt, tailr) - else - t.mode, t.imm = immexpr(expr) - if sub(t.mode, -1) == "J" then - if t.opsize and t.opsize ~= addrsize then - werror("bad operand size override") - end - t.opsize = addrsize - end - end - end - until true - return t -end - ------------------------------------------------------------------------------- --- x86 Template String Description --- =============================== --- --- Each template string is a list of [match:]pattern pairs, --- separated by "|". The first match wins. No match means a --- bad or unsupported combination of operand modes or sizes. --- --- The match part and the ":" is omitted if the operation has --- no operands. Otherwise the first N characters are matched --- against the mode strings of each of the N operands. --- --- The mode string for each operand type is (see parseoperand()): --- Integer register: "rm", +"R" for eax, ax, al, +"C" for cl --- FP register: "f", +"F" for st0 --- Index operand: "xm", +"O" for [disp] (pure offset) --- Immediate: "i", +"S" for signed 8 bit, +"1" for 1, --- +"I" for arg, +"P" for pointer --- Any: +"J" for valid jump targets --- --- So a match character "m" (mixed) matches both an integer register --- and an index operand (to be encoded with the ModRM/SIB scheme). --- But "r" matches only a register and "x" only an index operand --- (e.g. for FP memory access operations). --- --- The operand size match string starts right after the mode match --- characters and ends before the ":". "dwb" or "qdwb" is assumed, if empty. --- The effective data size of the operation is matched against this list. --- --- If only the regular "b", "w", "d", "q", "t" operand sizes are --- present, then all operands must be the same size. Unspecified sizes --- are ignored, but at least one operand must have a size or the pattern --- won't match (use the "byte", "word", "dword", "qword", "tword" --- operand size overrides. E.g.: mov dword [eax], 1). --- --- If the list has a "1" or "2" prefix, the operand size is taken --- from the respective operand and any other operand sizes are ignored. --- If the list contains only ".", all operand sizes are ignored. --- If the list has a "/" prefix, the concatenated (mixed) operand sizes --- are compared to the match. --- --- E.g. "rrdw" matches for either two dword registers or two word --- registers. "Fx2dq" matches an st0 operand plus an index operand --- pointing to a dword (float) or qword (double). --- --- Every character after the ":" is part of the pattern string: --- Hex chars are accumulated to form the opcode (left to right). --- "n" disables the standard opcode mods --- (otherwise: -1 for "b", o16 prefix for "w", rex.w for "q") --- "X" Force REX.W. --- "r"/"R" adds the reg. number from the 1st/2nd operand to the opcode. --- "m"/"M" generates ModRM/SIB from the 1st/2nd operand. --- The spare 3 bits are either filled with the last hex digit or --- the result from a previous "r"/"R". The opcode is restored. --- --- All of the following characters force a flush of the opcode: --- "o"/"O" stores a pure 32 bit disp (offset) from the 1st/2nd operand. --- "S" stores a signed 8 bit immediate from the last operand. --- "U" stores an unsigned 8 bit immediate from the last operand. --- "W" stores an unsigned 16 bit immediate from the last operand. --- "i" stores an operand sized immediate from the last operand. --- "I" dito, but generates an action code to optionally modify --- the opcode (+2) for a signed 8 bit immediate. --- "J" generates one of the REL action codes from the last operand. --- ------------------------------------------------------------------------------- - --- Template strings for x86 instructions. Ordered by first opcode byte. --- Unimplemented opcodes (deliberate omissions) are marked with *. -local map_op = { - -- 00-05: add... - -- 06: *push es - -- 07: *pop es - -- 08-0D: or... - -- 0E: *push cs - -- 0F: two byte opcode prefix - -- 10-15: adc... - -- 16: *push ss - -- 17: *pop ss - -- 18-1D: sbb... - -- 1E: *push ds - -- 1F: *pop ds - -- 20-25: and... - es_0 = "26", - -- 27: *daa - -- 28-2D: sub... - cs_0 = "2E", - -- 2F: *das - -- 30-35: xor... - ss_0 = "36", - -- 37: *aaa - -- 38-3D: cmp... - ds_0 = "3E", - -- 3F: *aas - inc_1 = x64 and "m:FF0m" or "rdw:40r|m:FF0m", - dec_1 = x64 and "m:FF1m" or "rdw:48r|m:FF1m", - push_1 = (x64 and "rq:n50r|rw:50r|mq:nFF6m|mw:FF6m" or - "rdw:50r|mdw:FF6m").."|S.:6AS|ib:n6Ai|i.:68i", - pop_1 = x64 and "rq:n58r|rw:58r|mq:n8F0m|mw:8F0m" or "rdw:58r|mdw:8F0m", - -- 60: *pusha, *pushad, *pushaw - -- 61: *popa, *popad, *popaw - -- 62: *bound rdw,x - -- 63: x86: *arpl mw,rw - movsxd_2 = x64 and "rm/qd:63rM", - fs_0 = "64", - gs_0 = "65", - o16_0 = "66", - a16_0 = not x64 and "67" or nil, - a32_0 = x64 and "67", - -- 68: push idw - -- 69: imul rdw,mdw,idw - -- 6A: push ib - -- 6B: imul rdw,mdw,S - -- 6C: *insb - -- 6D: *insd, *insw - -- 6E: *outsb - -- 6F: *outsd, *outsw - -- 70-7F: jcc lb - -- 80: add... mb,i - -- 81: add... mdw,i - -- 82: *undefined - -- 83: add... mdw,S - test_2 = "mr:85Rm|rm:85rM|Ri:A9ri|mi:F70mi", - -- 86: xchg rb,mb - -- 87: xchg rdw,mdw - -- 88: mov mb,r - -- 89: mov mdw,r - -- 8A: mov r,mb - -- 8B: mov r,mdw - -- 8C: *mov mdw,seg - lea_2 = "rx1dq:8DrM", - -- 8E: *mov seg,mdw - -- 8F: pop mdw - nop_0 = "90", - xchg_2 = "Rrqdw:90R|rRqdw:90r|rm:87rM|mr:87Rm", - cbw_0 = "6698", - cwde_0 = "98", - cdqe_0 = "4898", - cwd_0 = "6699", - cdq_0 = "99", - cqo_0 = "4899", - -- 9A: *call iw:idw - wait_0 = "9B", - fwait_0 = "9B", - pushf_0 = "9C", - pushfd_0 = not x64 and "9C", - pushfq_0 = x64 and "9C", - popf_0 = "9D", - popfd_0 = not x64 and "9D", - popfq_0 = x64 and "9D", - sahf_0 = "9E", - lahf_0 = "9F", - mov_2 = "OR:A3o|RO:A1O|mr:89Rm|rm:8BrM|rib:nB0ri|ridw:B8ri|mi:C70mi", - movsb_0 = "A4", - movsw_0 = "66A5", - movsd_0 = "A5", - cmpsb_0 = "A6", - cmpsw_0 = "66A7", - cmpsd_0 = "A7", - -- A8: test Rb,i - -- A9: test Rdw,i - stosb_0 = "AA", - stosw_0 = "66AB", - stosd_0 = "AB", - lodsb_0 = "AC", - lodsw_0 = "66AD", - lodsd_0 = "AD", - scasb_0 = "AE", - scasw_0 = "66AF", - scasd_0 = "AF", - -- B0-B7: mov rb,i - -- B8-BF: mov rdw,i - -- C0: rol... mb,i - -- C1: rol... mdw,i - ret_1 = "i.:nC2W", - ret_0 = "C3", - -- C4: *les rdw,mq - -- C5: *lds rdw,mq - -- C6: mov mb,i - -- C7: mov mdw,i - -- C8: *enter iw,ib - leave_0 = "C9", - -- CA: *retf iw - -- CB: *retf - int3_0 = "CC", - int_1 = "i.:nCDU", - into_0 = "CE", - -- CF: *iret - -- D0: rol... mb,1 - -- D1: rol... mdw,1 - -- D2: rol... mb,cl - -- D3: rol... mb,cl - -- D4: *aam ib - -- D5: *aad ib - -- D6: *salc - -- D7: *xlat - -- D8-DF: floating point ops - -- E0: *loopne - -- E1: *loope - -- E2: *loop - -- E3: *jcxz, *jecxz - -- E4: *in Rb,ib - -- E5: *in Rdw,ib - -- E6: *out ib,Rb - -- E7: *out ib,Rdw - call_1 = x64 and "mq:nFF2m|J.:E8nJ" or "md:FF2m|J.:E8J", - jmp_1 = x64 and "mq:nFF4m|J.:E9nJ" or "md:FF4m|J.:E9J", -- short: EB - -- EA: *jmp iw:idw - -- EB: jmp ib - -- EC: *in Rb,dx - -- ED: *in Rdw,dx - -- EE: *out dx,Rb - -- EF: *out dx,Rdw - -- F0: *lock - int1_0 = "F1", - repne_0 = "F2", - repnz_0 = "F2", - rep_0 = "F3", - repe_0 = "F3", - repz_0 = "F3", - -- F4: *hlt - cmc_0 = "F5", - -- F6: test... mb,i; div... mb - -- F7: test... mdw,i; div... mdw - clc_0 = "F8", - stc_0 = "F9", - -- FA: *cli - cld_0 = "FC", - std_0 = "FD", - -- FE: inc... mb - -- FF: inc... mdw - - -- misc ops - not_1 = "m:F72m", - neg_1 = "m:F73m", - mul_1 = "m:F74m", - imul_1 = "m:F75m", - div_1 = "m:F76m", - idiv_1 = "m:F77m", - - imul_2 = "rmqdw:0FAFrM|rIqdw:69rmI|rSqdw:6BrmS|riqdw:69rmi", - imul_3 = "rmIqdw:69rMI|rmSqdw:6BrMS|rmiqdw:69rMi", - - movzx_2 = "rm/db:0FB6rM|rm/qb:|rm/wb:0FB6rM|rm/dw:0FB7rM|rm/qw:", - movsx_2 = "rm/db:0FBErM|rm/qb:|rm/wb:0FBErM|rm/dw:0FBFrM|rm/qw:", - - bswap_1 = "rqd:0FC8r", - bsf_2 = "rmqdw:0FBCrM", - bsr_2 = "rmqdw:0FBDrM", - bt_2 = "mrqdw:0FA3Rm|miqdw:0FBA4mU", - btc_2 = "mrqdw:0FBBRm|miqdw:0FBA7mU", - btr_2 = "mrqdw:0FB3Rm|miqdw:0FBA6mU", - bts_2 = "mrqdw:0FABRm|miqdw:0FBA5mU", - - rdtsc_0 = "0F31", -- P1+ - cpuid_0 = "0FA2", -- P1+ - - -- floating point ops - fst_1 = "ff:DDD0r|xd:D92m|xq:nDD2m", - fstp_1 = "ff:DDD8r|xd:D93m|xq:nDD3m|xt:DB7m", - fld_1 = "ff:D9C0r|xd:D90m|xq:nDD0m|xt:DB5m", - - fpop_0 = "DDD8", -- Alias for fstp st0. - - fist_1 = "xw:nDF2m|xd:DB2m", - fistp_1 = "xw:nDF3m|xd:DB3m|xq:nDF7m", - fild_1 = "xw:nDF0m|xd:DB0m|xq:nDF5m", - - fxch_0 = "D9C9", - fxch_1 = "ff:D9C8r", - fxch_2 = "fFf:D9C8r|Fff:D9C8R", - - fucom_1 = "ff:DDE0r", - fucom_2 = "Fff:DDE0R", - fucomp_1 = "ff:DDE8r", - fucomp_2 = "Fff:DDE8R", - fucomi_1 = "ff:DBE8r", -- P6+ - fucomi_2 = "Fff:DBE8R", -- P6+ - fucomip_1 = "ff:DFE8r", -- P6+ - fucomip_2 = "Fff:DFE8R", -- P6+ - fcomi_1 = "ff:DBF0r", -- P6+ - fcomi_2 = "Fff:DBF0R", -- P6+ - fcomip_1 = "ff:DFF0r", -- P6+ - fcomip_2 = "Fff:DFF0R", -- P6+ - fucompp_0 = "DAE9", - fcompp_0 = "DED9", - - fldcw_1 = "xw:nD95m", - fstcw_1 = "xw:n9BD97m", - fnstcw_1 = "xw:nD97m", - fstsw_1 = "Rw:n9BDFE0|xw:n9BDD7m", - fnstsw_1 = "Rw:nDFE0|xw:nDD7m", - fclex_0 = "9BDBE2", - fnclex_0 = "DBE2", - - fnop_0 = "D9D0", - -- D9D1-D9DF: unassigned - - fchs_0 = "D9E0", - fabs_0 = "D9E1", - -- D9E2: unassigned - -- D9E3: unassigned - ftst_0 = "D9E4", - fxam_0 = "D9E5", - -- D9E6: unassigned - -- D9E7: unassigned - fld1_0 = "D9E8", - fldl2t_0 = "D9E9", - fldl2e_0 = "D9EA", - fldpi_0 = "D9EB", - fldlg2_0 = "D9EC", - fldln2_0 = "D9ED", - fldz_0 = "D9EE", - -- D9EF: unassigned - - f2xm1_0 = "D9F0", - fyl2x_0 = "D9F1", - fptan_0 = "D9F2", - fpatan_0 = "D9F3", - fxtract_0 = "D9F4", - fprem1_0 = "D9F5", - fdecstp_0 = "D9F6", - fincstp_0 = "D9F7", - fprem_0 = "D9F8", - fyl2xp1_0 = "D9F9", - fsqrt_0 = "D9FA", - fsincos_0 = "D9FB", - frndint_0 = "D9FC", - fscale_0 = "D9FD", - fsin_0 = "D9FE", - fcos_0 = "D9FF", - - -- SSE, SSE2 - andnpd_2 = "rmo:660F55rM", - andnps_2 = "rmo:0F55rM", - andpd_2 = "rmo:660F54rM", - andps_2 = "rmo:0F54rM", - clflush_1 = "x.:0FAE7m", - cmppd_3 = "rmio:660FC2rMU", - cmpps_3 = "rmio:0FC2rMU", - cmpsd_3 = "rrio:F20FC2rMU|rxi/oq:", - cmpss_3 = "rrio:F30FC2rMU|rxi/od:", - comisd_2 = "rro:660F2FrM|rx/oq:", - comiss_2 = "rro:0F2FrM|rx/od:", - cvtdq2pd_2 = "rro:F30FE6rM|rx/oq:", - cvtdq2ps_2 = "rmo:0F5BrM", - cvtpd2dq_2 = "rmo:F20FE6rM", - cvtpd2ps_2 = "rmo:660F5ArM", - cvtpi2pd_2 = "rx/oq:660F2ArM", - cvtpi2ps_2 = "rx/oq:0F2ArM", - cvtps2dq_2 = "rmo:660F5BrM", - cvtps2pd_2 = "rro:0F5ArM|rx/oq:", - cvtsd2si_2 = "rr/do:F20F2DrM|rr/qo:|rx/dq:|rxq:", - cvtsd2ss_2 = "rro:F20F5ArM|rx/oq:", - cvtsi2sd_2 = "rm/od:F20F2ArM|rm/oq:F20F2ArXM", - cvtsi2ss_2 = "rm/od:F30F2ArM|rm/oq:F30F2ArXM", - cvtss2sd_2 = "rro:F30F5ArM|rx/od:", - cvtss2si_2 = "rr/do:F20F2CrM|rr/qo:|rxd:|rx/qd:", - cvttpd2dq_2 = "rmo:660FE6rM", - cvttps2dq_2 = "rmo:F30F5BrM", - cvttsd2si_2 = "rr/do:F20F2CrM|rr/qo:|rx/dq:|rxq:", - cvttss2si_2 = "rr/do:F30F2CrM|rr/qo:|rxd:|rx/qd:", - ldmxcsr_1 = "xd:0FAE2m", - lfence_0 = "0FAEE8", - maskmovdqu_2 = "rro:660FF7rM", - mfence_0 = "0FAEF0", - movapd_2 = "rmo:660F28rM|mro:660F29Rm", - movaps_2 = "rmo:0F28rM|mro:0F29Rm", - movd_2 = "rm/od:660F6ErM|rm/oq:660F6ErXM|mr/do:660F7ERm|mr/qo:", - movdqa_2 = "rmo:660F6FrM|mro:660F7FRm", - movdqu_2 = "rmo:F30F6FrM|mro:F30F7FRm", - movhlps_2 = "rro:0F12rM", - movhpd_2 = "rx/oq:660F16rM|xr/qo:n660F17Rm", - movhps_2 = "rx/oq:0F16rM|xr/qo:n0F17Rm", - movlhps_2 = "rro:0F16rM", - movlpd_2 = "rx/oq:660F12rM|xr/qo:n660F13Rm", - movlps_2 = "rx/oq:0F12rM|xr/qo:n0F13Rm", - movmskpd_2 = "rr/do:660F50rM", - movmskps_2 = "rr/do:0F50rM", - movntdq_2 = "xro:660FE7Rm", - movnti_2 = "xrqd:0FC3Rm", - movntpd_2 = "xro:660F2BRm", - movntps_2 = "xro:0F2BRm", - movq_2 = "rro:F30F7ErM|rx/oq:|xr/qo:n660FD6Rm", - movsd_2 = "rro:F20F10rM|rx/oq:|xr/qo:nF20F11Rm", - movss_2 = "rro:F30F10rM|rx/od:|xr/do:F30F11Rm", - movupd_2 = "rmo:660F10rM|mro:660F11Rm", - movups_2 = "rmo:0F10rM|mro:0F11Rm", - orpd_2 = "rmo:660F56rM", - orps_2 = "rmo:0F56rM", - packssdw_2 = "rmo:660F6BrM", - packsswb_2 = "rmo:660F63rM", - packuswb_2 = "rmo:660F67rM", - paddb_2 = "rmo:660FFCrM", - paddd_2 = "rmo:660FFErM", - paddq_2 = "rmo:660FD4rM", - paddsb_2 = "rmo:660FECrM", - paddsw_2 = "rmo:660FEDrM", - paddusb_2 = "rmo:660FDCrM", - paddusw_2 = "rmo:660FDDrM", - paddw_2 = "rmo:660FFDrM", - pand_2 = "rmo:660FDBrM", - pandn_2 = "rmo:660FDFrM", - pause_0 = "F390", - pavgb_2 = "rmo:660FE0rM", - pavgw_2 = "rmo:660FE3rM", - pcmpeqb_2 = "rmo:660F74rM", - pcmpeqd_2 = "rmo:660F76rM", - pcmpeqw_2 = "rmo:660F75rM", - pcmpgtb_2 = "rmo:660F64rM", - pcmpgtd_2 = "rmo:660F66rM", - pcmpgtw_2 = "rmo:660F65rM", - pextrw_3 = "rri/do:660FC5rMU|xri/wo:660F3A15nrMU", -- Mem op: SSE4.1 only. - pinsrw_3 = "rri/od:660FC4rMU|rxi/ow:", - pmaddwd_2 = "rmo:660FF5rM", - pmaxsw_2 = "rmo:660FEErM", - pmaxub_2 = "rmo:660FDErM", - pminsw_2 = "rmo:660FEArM", - pminub_2 = "rmo:660FDArM", - pmovmskb_2 = "rr/do:660FD7rM", - pmulhuw_2 = "rmo:660FE4rM", - pmulhw_2 = "rmo:660FE5rM", - pmullw_2 = "rmo:660FD5rM", - pmuludq_2 = "rmo:660FF4rM", - por_2 = "rmo:660FEBrM", - prefetchnta_1 = "xb:n0F180m", - prefetcht0_1 = "xb:n0F181m", - prefetcht1_1 = "xb:n0F182m", - prefetcht2_1 = "xb:n0F183m", - psadbw_2 = "rmo:660FF6rM", - pshufd_3 = "rmio:660F70rMU", - pshufhw_3 = "rmio:F30F70rMU", - pshuflw_3 = "rmio:F20F70rMU", - pslld_2 = "rmo:660FF2rM|rio:660F726mU", - pslldq_2 = "rio:660F737mU", - psllq_2 = "rmo:660FF3rM|rio:660F736mU", - psllw_2 = "rmo:660FF1rM|rio:660F716mU", - psrad_2 = "rmo:660FE2rM|rio:660F724mU", - psraw_2 = "rmo:660FE1rM|rio:660F714mU", - psrld_2 = "rmo:660FD2rM|rio:660F722mU", - psrldq_2 = "rio:660F733mU", - psrlq_2 = "rmo:660FD3rM|rio:660F732mU", - psrlw_2 = "rmo:660FD1rM|rio:660F712mU", - psubb_2 = "rmo:660FF8rM", - psubd_2 = "rmo:660FFArM", - psubq_2 = "rmo:660FFBrM", - psubsb_2 = "rmo:660FE8rM", - psubsw_2 = "rmo:660FE9rM", - psubusb_2 = "rmo:660FD8rM", - psubusw_2 = "rmo:660FD9rM", - psubw_2 = "rmo:660FF9rM", - punpckhbw_2 = "rmo:660F68rM", - punpckhdq_2 = "rmo:660F6ArM", - punpckhqdq_2 = "rmo:660F6DrM", - punpckhwd_2 = "rmo:660F69rM", - punpcklbw_2 = "rmo:660F60rM", - punpckldq_2 = "rmo:660F62rM", - punpcklqdq_2 = "rmo:660F6CrM", - punpcklwd_2 = "rmo:660F61rM", - pxor_2 = "rmo:660FEFrM", - rcpps_2 = "rmo:0F53rM", - rcpss_2 = "rro:F30F53rM|rx/od:", - rsqrtps_2 = "rmo:0F52rM", - rsqrtss_2 = "rmo:F30F52rM", - sfence_0 = "0FAEF8", - shufpd_3 = "rmio:660FC6rMU", - shufps_3 = "rmio:0FC6rMU", - stmxcsr_1 = "xd:0FAE3m", - ucomisd_2 = "rro:660F2ErM|rx/oq:", - ucomiss_2 = "rro:0F2ErM|rx/od:", - unpckhpd_2 = "rmo:660F15rM", - unpckhps_2 = "rmo:0F15rM", - unpcklpd_2 = "rmo:660F14rM", - unpcklps_2 = "rmo:0F14rM", - xorpd_2 = "rmo:660F57rM", - xorps_2 = "rmo:0F57rM", - - -- SSE3 ops - fisttp_1 = "xw:nDF1m|xd:DB1m|xq:nDD1m", - addsubpd_2 = "rmo:660FD0rM", - addsubps_2 = "rmo:F20FD0rM", - haddpd_2 = "rmo:660F7CrM", - haddps_2 = "rmo:F20F7CrM", - hsubpd_2 = "rmo:660F7DrM", - hsubps_2 = "rmo:F20F7DrM", - lddqu_2 = "rxo:F20FF0rM", - movddup_2 = "rmo:F20F12rM", - movshdup_2 = "rmo:F30F16rM", - movsldup_2 = "rmo:F30F12rM", - - -- SSSE3 ops - pabsb_2 = "rmo:660F381CrM", - pabsd_2 = "rmo:660F381ErM", - pabsw_2 = "rmo:660F381DrM", - palignr_3 = "rmio:660F3A0FrMU", - phaddd_2 = "rmo:660F3802rM", - phaddsw_2 = "rmo:660F3803rM", - phaddw_2 = "rmo:660F3801rM", - phsubd_2 = "rmo:660F3806rM", - phsubsw_2 = "rmo:660F3807rM", - phsubw_2 = "rmo:660F3805rM", - pmaddubsw_2 = "rmo:660F3804rM", - pmulhrsw_2 = "rmo:660F380BrM", - pshufb_2 = "rmo:660F3800rM", - psignb_2 = "rmo:660F3808rM", - psignd_2 = "rmo:660F380ArM", - psignw_2 = "rmo:660F3809rM", - - -- SSE4.1 ops - blendpd_3 = "rmio:660F3A0DrMU", - blendps_3 = "rmio:660F3A0CrMU", - blendvpd_3 = "rmRo:660F3815rM", - blendvps_3 = "rmRo:660F3814rM", - dppd_3 = "rmio:660F3A41rMU", - dpps_3 = "rmio:660F3A40rMU", - extractps_3 = "mri/do:660F3A17RmU|rri/qo:660F3A17RXmU", - insertps_3 = "rrio:660F3A41rMU|rxi/od:", - movntdqa_2 = "rmo:660F382ArM", - mpsadbw_3 = "rmio:660F3A42rMU", - packusdw_2 = "rmo:660F382BrM", - pblendvb_3 = "rmRo:660F3810rM", - pblendw_3 = "rmio:660F3A0ErMU", - pcmpeqq_2 = "rmo:660F3829rM", - pextrb_3 = "rri/do:660F3A14nRmU|rri/qo:|xri/bo:", - pextrd_3 = "mri/do:660F3A16RmU", - pextrq_3 = "mri/qo:660F3A16RmU", - -- pextrw is SSE2, mem operand is SSE4.1 only - phminposuw_2 = "rmo:660F3841rM", - pinsrb_3 = "rri/od:660F3A20nrMU|rxi/ob:", - pinsrd_3 = "rmi/od:660F3A22rMU", - pinsrq_3 = "rmi/oq:660F3A22rXMU", - pmaxsb_2 = "rmo:660F383CrM", - pmaxsd_2 = "rmo:660F383DrM", - pmaxud_2 = "rmo:660F383FrM", - pmaxuw_2 = "rmo:660F383ErM", - pminsb_2 = "rmo:660F3838rM", - pminsd_2 = "rmo:660F3839rM", - pminud_2 = "rmo:660F383BrM", - pminuw_2 = "rmo:660F383ArM", - pmovsxbd_2 = "rro:660F3821rM|rx/od:", - pmovsxbq_2 = "rro:660F3822rM|rx/ow:", - pmovsxbw_2 = "rro:660F3820rM|rx/oq:", - pmovsxdq_2 = "rro:660F3825rM|rx/oq:", - pmovsxwd_2 = "rro:660F3823rM|rx/oq:", - pmovsxwq_2 = "rro:660F3824rM|rx/od:", - pmovzxbd_2 = "rro:660F3831rM|rx/od:", - pmovzxbq_2 = "rro:660F3832rM|rx/ow:", - pmovzxbw_2 = "rro:660F3830rM|rx/oq:", - pmovzxdq_2 = "rro:660F3835rM|rx/oq:", - pmovzxwd_2 = "rro:660F3833rM|rx/oq:", - pmovzxwq_2 = "rro:660F3834rM|rx/od:", - pmuldq_2 = "rmo:660F3828rM", - pmulld_2 = "rmo:660F3840rM", - ptest_2 = "rmo:660F3817rM", - roundpd_3 = "rmio:660F3A09rMU", - roundps_3 = "rmio:660F3A08rMU", - roundsd_3 = "rrio:660F3A0BrMU|rxi/oq:", - roundss_3 = "rrio:660F3A0ArMU|rxi/od:", - - -- SSE4.2 ops - crc32_2 = "rmqd:F20F38F1rM|rm/dw:66F20F38F1rM|rm/db:F20F38F0rM|rm/qb:", - pcmpestri_3 = "rmio:660F3A61rMU", - pcmpestrm_3 = "rmio:660F3A60rMU", - pcmpgtq_2 = "rmo:660F3837rM", - pcmpistri_3 = "rmio:660F3A63rMU", - pcmpistrm_3 = "rmio:660F3A62rMU", - popcnt_2 = "rmqdw:F30FB8rM", - - -- SSE4a - extrq_2 = "rro:660F79rM", - extrq_3 = "riio:660F780mUU", - insertq_2 = "rro:F20F79rM", - insertq_4 = "rriio:F20F78rMUU", - lzcnt_2 = "rmqdw:F30FBDrM", - movntsd_2 = "xr/qo:nF20F2BRm", - movntss_2 = "xr/do:F30F2BRm", - -- popcnt is also in SSE4.2 -} - ------------------------------------------------------------------------------- - --- Arithmetic ops. -for name,n in pairs{ add = 0, ["or"] = 1, adc = 2, sbb = 3, - ["and"] = 4, sub = 5, xor = 6, cmp = 7 } do - local n8 = n * 8 - map_op[name.."_2"] = format( - "mr:%02XRm|rm:%02XrM|mI1qdw:81%XmI|mS1qdw:83%XmS|Ri1qdwb:%02Xri|mi1qdwb:81%Xmi", - 1+n8, 3+n8, n, n, 5+n8, n) -end - --- Shift ops. -for name,n in pairs{ rol = 0, ror = 1, rcl = 2, rcr = 3, - shl = 4, shr = 5, sar = 7, sal = 4 } do - map_op[name.."_2"] = format("m1:D1%Xm|mC1qdwb:D3%Xm|mi:C1%XmU", n, n, n) -end - --- Conditional ops. -for cc,n in pairs(map_cc) do - map_op["j"..cc.."_1"] = format("J.:n0F8%XJ", n) -- short: 7%X - map_op["set"..cc.."_1"] = format("mb:n0F9%X2m", n) - map_op["cmov"..cc.."_2"] = format("rmqdw:0F4%XrM", n) -- P6+ -end - --- FP arithmetic ops. -for name,n in pairs{ add = 0, mul = 1, com = 2, comp = 3, - sub = 4, subr = 5, div = 6, divr = 7 } do - local nc = 192 + n * 8 - local nr = nc + (n < 4 and 0 or (n % 2 == 0 and 8 or -8)) - local fn = "f"..name - map_op[fn.."_1"] = format("ff:D8%02Xr|xd:D8%Xm|xq:nDC%Xm", nc, n, n) - if n == 2 or n == 3 then - map_op[fn.."_2"] = format("Fff:D8%02XR|Fx2d:D8%XM|Fx2q:nDC%XM", nc, n, n) - else - map_op[fn.."_2"] = format("Fff:D8%02XR|fFf:DC%02Xr|Fx2d:D8%XM|Fx2q:nDC%XM", nc, nr, n, n) - map_op[fn.."p_1"] = format("ff:DE%02Xr", nr) - map_op[fn.."p_2"] = format("fFf:DE%02Xr", nr) - end - map_op["fi"..name.."_1"] = format("xd:DA%Xm|xw:nDE%Xm", n, n) -end - --- FP conditional moves. -for cc,n in pairs{ b=0, e=1, be=2, u=3, nb=4, ne=5, nbe=6, nu=7 } do - local n4 = n % 4 - local nc = 56000 + n4 * 8 + (n-n4) * 64 - map_op["fcmov"..cc.."_1"] = format("ff:%04Xr", nc) -- P6+ - map_op["fcmov"..cc.."_2"] = format("Fff:%04XR", nc) -- P6+ -end - --- SSE FP arithmetic ops. -for name,n in pairs{ sqrt = 1, add = 8, mul = 9, - sub = 12, min = 13, div = 14, max = 15 } do - map_op[name.."ps_2"] = format("rmo:0F5%XrM", n) - map_op[name.."ss_2"] = format("rro:F30F5%XrM|rx/od:", n) - map_op[name.."pd_2"] = format("rmo:660F5%XrM", n) - map_op[name.."sd_2"] = format("rro:F20F5%XrM|rx/oq:", n) -end - ------------------------------------------------------------------------------- - --- Process pattern string. -local function dopattern(pat, args, sz, op, needrex) - local digit, addin - local opcode = 0 - local szov = sz - local narg = 1 - local rex = 0 - - -- Limit number of section buffer positions used by a single dasm_put(). - -- A single opcode needs a maximum of 5 positions. - if secpos+5 > maxsecpos then wflush() end - - -- Process each character. - for c in gmatch(pat.."|", ".") do - if match(c, "%x") then -- Hex digit. - digit = byte(c) - 48 - if digit > 48 then digit = digit - 39 - elseif digit > 16 then digit = digit - 7 end - opcode = opcode*16 + digit - addin = nil - elseif c == "n" then -- Disable operand size mods for opcode. - szov = nil - elseif c == "X" then -- Force REX.W. - rex = 8 - elseif c == "r" then -- Merge 1st operand regno. into opcode. - addin = args[1]; opcode = opcode + (addin.reg % 8) - if narg < 2 then narg = 2 end - elseif c == "R" then -- Merge 2nd operand regno. into opcode. - addin = args[2]; opcode = opcode + (addin.reg % 8) - narg = 3 - elseif c == "m" or c == "M" then -- Encode ModRM/SIB. - local s - if addin then - s = addin.reg - opcode = opcode - (s%8) -- Undo regno opcode merge. - else - s = opcode % 16 -- Undo last digit. - opcode = (opcode - s) / 16 - end - local nn = c == "m" and 1 or 2 - local t = args[nn] - if narg <= nn then narg = nn + 1 end - if szov == "q" and rex == 0 then rex = rex + 8 end - if t.reg and t.reg > 7 then rex = rex + 1 end - if t.xreg and t.xreg > 7 then rex = rex + 2 end - if s > 7 then rex = rex + 4 end - if needrex then rex = rex + 16 end - wputop(szov, opcode, rex); opcode = nil - local imark = sub(pat, -1) -- Force a mark (ugly). - -- Put ModRM/SIB with regno/last digit as spare. - wputmrmsib(t, imark, s, addin and addin.vreg) - addin = nil - else - if opcode then -- Flush opcode. - if szov == "q" and rex == 0 then rex = rex + 8 end - if needrex then rex = rex + 16 end - if addin and addin.reg == -1 then - wputop(szov, opcode - 7, rex) - waction("VREG", addin.vreg); wputxb(0) - else - if addin and addin.reg > 7 then rex = rex + 1 end - wputop(szov, opcode, rex) - end - opcode = nil - end - if c == "|" then break end - if c == "o" then -- Offset (pure 32 bit displacement). - wputdarg(args[1].disp); if narg < 2 then narg = 2 end - elseif c == "O" then - wputdarg(args[2].disp); narg = 3 - else - -- Anything else is an immediate operand. - local a = args[narg] - narg = narg + 1 - local mode, imm = a.mode, a.imm - if mode == "iJ" and not match("iIJ", c) then - werror("bad operand size for label") - end - if c == "S" then - wputsbarg(imm) - elseif c == "U" then - wputbarg(imm) - elseif c == "W" then - wputwarg(imm) - elseif c == "i" or c == "I" then - if mode == "iJ" then - wputlabel("IMM_", imm, 1) - elseif mode == "iI" and c == "I" then - waction(sz == "w" and "IMM_WB" or "IMM_DB", imm) - else - wputszarg(sz, imm) - end - elseif c == "J" then - if mode == "iPJ" then - waction("REL_A", imm) -- !x64 (secpos) - else - wputlabel("REL_", imm, 2) - end - else - werror("bad char `"..c.."' in pattern `"..pat.."' for `"..op.."'") - end - end - end - end -end - ------------------------------------------------------------------------------- - --- Mapping of operand modes to short names. Suppress output with '#'. -local map_modename = { - r = "reg", R = "eax", C = "cl", x = "mem", m = "mrm", i = "imm", - f = "stx", F = "st0", J = "lbl", ["1"] = "1", - I = "#", S = "#", O = "#", -} - --- Return a table/string showing all possible operand modes. -local function templatehelp(template, nparams) - if nparams == 0 then return "" end - local t = {} - for tm in gmatch(template, "[^%|]+") do - local s = map_modename[sub(tm, 1, 1)] - s = s..gsub(sub(tm, 2, nparams), ".", function(c) - return ", "..map_modename[c] - end) - if not match(s, "#") then t[#t+1] = s end - end - return t -end - --- Match operand modes against mode match part of template. -local function matchtm(tm, args) - for i=1,#args do - if not match(args[i].mode, sub(tm, i, i)) then return end - end - return true -end - --- Handle opcodes defined with template strings. -map_op[".template__"] = function(params, template, nparams) - if not params then return templatehelp(template, nparams) end - local args = {} - - -- Zero-operand opcodes have no match part. - if #params == 0 then - dopattern(template, args, "d", params.op, nil) - return - end - - -- Determine common operand size (coerce undefined size) or flag as mixed. - local sz, szmix, needrex - for i,p in ipairs(params) do - args[i] = parseoperand(p) - local nsz = args[i].opsize - if nsz then - if sz and sz ~= nsz then szmix = true else sz = nsz end - end - local nrex = args[i].needrex - if nrex ~= nil then - if needrex == nil then - needrex = nrex - elseif needrex ~= nrex then - werror("bad mix of byte-addressable registers") - end - end - end - - -- Try all match:pattern pairs (separated by '|'). - local gotmatch, lastpat - for tm in gmatch(template, "[^%|]+") do - -- Split off size match (starts after mode match) and pattern string. - local szm, pat = match(tm, "^(.-):(.*)$", #args+1) - if pat == "" then pat = lastpat else lastpat = pat end - if matchtm(tm, args) then - local prefix = sub(szm, 1, 1) - if prefix == "/" then -- Match both operand sizes. - if args[1].opsize == sub(szm, 2, 2) and - args[2].opsize == sub(szm, 3, 3) then - dopattern(pat, args, sz, params.op, needrex) -- Process pattern. - return - end - else -- Match common operand size. - local szp = sz - if szm == "" then szm = x64 and "qdwb" or "dwb" end -- Default sizes. - if prefix == "1" then szp = args[1].opsize; szmix = nil - elseif prefix == "2" then szp = args[2].opsize; szmix = nil end - if not szmix and (prefix == "." or match(szm, szp or "#")) then - dopattern(pat, args, szp, params.op, needrex) -- Process pattern. - return - end - end - gotmatch = true - end - end - - local msg = "bad operand mode" - if gotmatch then - if szmix then - msg = "mixed operand size" - else - msg = sz and "bad operand size" or "missing operand size" - end - end - - werror(msg.." in `"..opmodestr(params.op, args).."'") -end - ------------------------------------------------------------------------------- - --- x64-specific opcode for 64 bit immediates and displacements. -if x64 then - function map_op.mov64_2(params) - if not params then return { "reg, imm", "reg, [disp]", "[disp], reg" } end - if secpos+2 > maxsecpos then wflush() end - local opcode, op64, sz, rex - local op64 = match(params[1], "^%[%s*(.-)%s*%]$") - if op64 then - local a = parseoperand(params[2]) - if a.mode ~= "rmR" then werror("bad operand mode") end - sz = a.opsize - rex = sz == "q" and 8 or 0 - opcode = 0xa3 - else - op64 = match(params[2], "^%[%s*(.-)%s*%]$") - local a = parseoperand(params[1]) - if op64 then - if a.mode ~= "rmR" then werror("bad operand mode") end - sz = a.opsize - rex = sz == "q" and 8 or 0 - opcode = 0xa1 - else - if sub(a.mode, 1, 1) ~= "r" or a.opsize ~= "q" then - werror("bad operand mode") - end - op64 = params[2] - opcode = 0xb8 + (a.reg%8) -- !x64: no VREG support. - rex = a.reg > 7 and 9 or 8 - end - end - wputop(sz, opcode, rex) - waction("IMM_D", format("(unsigned int)(%s)", op64)) - waction("IMM_D", format("(unsigned int)((%s)>>32)", op64)) - end -end - ------------------------------------------------------------------------------- - --- Pseudo-opcodes for data storage. -local function op_data(params) - if not params then return "imm..." end - local sz = sub(params.op, 2, 2) - if sz == "a" then sz = addrsize end - for _,p in ipairs(params) do - local a = parseoperand(p) - if sub(a.mode, 1, 1) ~= "i" or (a.opsize and a.opsize ~= sz) then - werror("bad mode or size in `"..p.."'") - end - if a.mode == "iJ" then - wputlabel("IMM_", a.imm, 1) - else - wputszarg(sz, a.imm) - end - if secpos+2 > maxsecpos then wflush() end - end -end - -map_op[".byte_*"] = op_data -map_op[".sbyte_*"] = op_data -map_op[".word_*"] = op_data -map_op[".dword_*"] = op_data -map_op[".aword_*"] = op_data - ------------------------------------------------------------------------------- - --- Pseudo-opcode to mark the position where the action list is to be emitted. -map_op[".actionlist_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeactions(out, name) end) -end - --- Pseudo-opcode to mark the position where the global enum is to be emitted. -map_op[".globals_1"] = function(params) - if not params then return "prefix" end - local prefix = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeglobals(out, prefix) end) -end - --- Pseudo-opcode to mark the position where the global names are to be emitted. -map_op[".globalnames_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeglobalnames(out, name) end) -end - --- Pseudo-opcode to mark the position where the extern names are to be emitted. -map_op[".externnames_1"] = function(params) - if not params then return "cvar" end - local name = params[1] -- No syntax check. You get to keep the pieces. - wline(function(out) writeexternnames(out, name) end) -end - ------------------------------------------------------------------------------- - --- Label pseudo-opcode (converted from trailing colon form). -map_op[".label_2"] = function(params) - if not params then return "[1-9] | ->global | =>pcexpr [, addr]" end - if secpos+2 > maxsecpos then wflush() end - local a = parseoperand(params[1]) - local mode, imm = a.mode, a.imm - if type(imm) == "number" and (mode == "iJ" or (imm >= 1 and imm <= 9)) then - -- Local label (1: ... 9:) or global label (->global:). - waction("LABEL_LG", nil, 1) - wputxb(imm) - elseif mode == "iJ" then - -- PC label (=>pcexpr:). - waction("LABEL_PC", imm) - else - werror("bad label definition") - end - -- SETLABEL must immediately follow LABEL_LG/LABEL_PC. - local addr = params[2] - if addr then - local a = parseoperand(addr) - if a.mode == "iPJ" then - waction("SETLABEL", a.imm) - else - werror("bad label assignment") - end - end -end -map_op[".label_1"] = map_op[".label_2"] - ------------------------------------------------------------------------------- - --- Alignment pseudo-opcode. -map_op[".align_1"] = function(params) - if not params then return "numpow2" end - if secpos+1 > maxsecpos then wflush() end - local align = tonumber(params[1]) or map_opsizenum[map_opsize[params[1]]] - if align then - local x = align - -- Must be a power of 2 in the range (2 ... 256). - for i=1,8 do - x = x / 2 - if x == 1 then - waction("ALIGN", nil, 1) - wputxb(align-1) -- Action byte is 2**n-1. - return - end - end - end - werror("bad alignment") -end - --- Spacing pseudo-opcode. -map_op[".space_2"] = function(params) - if not params then return "num [, filler]" end - if secpos+1 > maxsecpos then wflush() end - waction("SPACE", params[1]) - local fill = params[2] - if fill then - fill = tonumber(fill) - if not fill or fill < 0 or fill > 255 then werror("bad filler") end - end - wputxb(fill or 0) -end -map_op[".space_1"] = map_op[".space_2"] - ------------------------------------------------------------------------------- - --- Pseudo-opcode for (primitive) type definitions (map to C types). -map_op[".type_3"] = function(params, nparams) - if not params then - return nparams == 2 and "name, ctype" or "name, ctype, reg" - end - local name, ctype, reg = params[1], params[2], params[3] - if not match(name, "^[%a_][%w_]*$") then - werror("bad type name `"..name.."'") - end - local tp = map_type[name] - if tp then - werror("duplicate type `"..name.."'") - end - if reg and not map_reg_valid_base[reg] then - werror("bad base register `"..(map_reg_rev[reg] or reg).."'") - end - -- Add #type to defines. A bit unclean to put it in map_archdef. - map_archdef["#"..name] = "sizeof("..ctype..")" - -- Add new type and emit shortcut define. - local num = ctypenum + 1 - map_type[name] = { - ctype = ctype, - ctypefmt = format("Dt%X(%%s)", num), - reg = reg, - } - wline(format("#define Dt%X(_V) (int)(ptrdiff_t)&(((%s *)0)_V)", num, ctype)) - ctypenum = num -end -map_op[".type_2"] = map_op[".type_3"] - --- Dump type definitions. -local function dumptypes(out, lvl) - local t = {} - for name in pairs(map_type) do t[#t+1] = name end - sort(t) - out:write("Type definitions:\n") - for _,name in ipairs(t) do - local tp = map_type[name] - local reg = tp.reg and map_reg_rev[tp.reg] or "" - out:write(format(" %-20s %-20s %s\n", name, tp.ctype, reg)) - end - out:write("\n") -end - ------------------------------------------------------------------------------- - --- Set the current section. -function _M.section(num) - waction("SECTION") - wputxb(num) - wflush(true) -- SECTION is a terminal action. -end - ------------------------------------------------------------------------------- - --- Dump architecture description. -function _M.dumparch(out) - out:write(format("DynASM %s version %s, released %s\n\n", - _info.arch, _info.version, _info.release)) - dumpregs(out) - dumpactions(out) -end - --- Dump all user defined elements. -function _M.dumpdef(out, lvl) - dumptypes(out, lvl) - dumpglobals(out, lvl) - dumpexterns(out, lvl) -end - ------------------------------------------------------------------------------- - --- Pass callbacks from/to the DynASM core. -function _M.passcb(wl, we, wf, ww) - wline, werror, wfatal, wwarn = wl, we, wf, ww - return wflush -end - --- Setup the arch-specific module. -function _M.setup(arch, opt) - g_arch, g_opt = arch, opt -end - --- Merge the core maps and the arch-specific maps. -function _M.mergemaps(map_coreop, map_def) - setmetatable(map_op, { __index = map_coreop }) - setmetatable(map_def, { __index = map_archdef }) - return map_op, map_def -end - -return _M - ------------------------------------------------------------------------------- - diff --git a/libraries/luajit-2.0/dynasm/dynasm.lua b/libraries/luajit-2.0/dynasm/dynasm.lua deleted file mode 100644 index 8ff9851..0000000 --- a/libraries/luajit-2.0/dynasm/dynasm.lua +++ /dev/null @@ -1,1076 +0,0 @@ ------------------------------------------------------------------------------- --- DynASM. A dynamic assembler for code generation engines. --- Originally designed and implemented for LuaJIT. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- See below for full copyright notice. ------------------------------------------------------------------------------- - --- Application information. -local _info = { - name = "DynASM", - description = "A dynamic assembler for code generation engines", - version = "1.3.0", - vernum = 10300, - release = "2011-05-05", - author = "Mike Pall", - url = "http://luajit.org/dynasm.html", - license = "MIT", - copyright = [[ -Copyright (C) 2005-2011 Mike Pall. All rights reserved. - -Permission is hereby granted, free of charge, to any person obtaining -a copy of this software and associated documentation files (the -"Software"), to deal in the Software without restriction, including -without limitation the rights to use, copy, modify, merge, publish, -distribute, sublicense, and/or sell copies of the Software, and to -permit persons to whom the Software is furnished to do so, subject to -the following conditions: - -The above copyright notice and this permission notice shall be -included in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -[ MIT license: http://www.opensource.org/licenses/mit-license.php ] -]], -} - --- Cache library functions. -local type, pairs, ipairs = type, pairs, ipairs -local pcall, error, assert = pcall, error, assert -local _s = string -local sub, match, gmatch, gsub = _s.sub, _s.match, _s.gmatch, _s.gsub -local format, rep, upper = _s.format, _s.rep, _s.upper -local _t = table -local insert, remove, concat, sort = _t.insert, _t.remove, _t.concat, _t.sort -local exit = os.exit -local io = io -local stdin, stdout, stderr = io.stdin, io.stdout, io.stderr - ------------------------------------------------------------------------------- - --- Program options. -local g_opt = {} - --- Global state for current file. -local g_fname, g_curline, g_indent, g_lineno, g_synclineno, g_arch -local g_errcount = 0 - --- Write buffer for output file. -local g_wbuffer, g_capbuffer - ------------------------------------------------------------------------------- - --- Write an output line (or callback function) to the buffer. -local function wline(line, needindent) - local buf = g_capbuffer or g_wbuffer - buf[#buf+1] = needindent and g_indent..line or line - g_synclineno = g_synclineno + 1 -end - --- Write assembler line as a comment, if requestd. -local function wcomment(aline) - if g_opt.comment then - wline(g_opt.comment..aline..g_opt.endcomment, true) - end -end - --- Resync CPP line numbers. -local function wsync() - if g_synclineno ~= g_lineno and g_opt.cpp then - wline("# "..g_lineno..' "'..g_fname..'"') - g_synclineno = g_lineno - end -end - --- Dummy action flush function. Replaced with arch-specific function later. -local function wflush(term) -end - --- Dump all buffered output lines. -local function wdumplines(out, buf) - for _,line in ipairs(buf) do - if type(line) == "string" then - assert(out:write(line, "\n")) - else - -- Special callback to dynamically insert lines after end of processing. - line(out) - end - end -end - ------------------------------------------------------------------------------- - --- Emit an error. Processing continues with next statement. -local function werror(msg) - error(format("%s:%s: error: %s:\n%s", g_fname, g_lineno, msg, g_curline), 0) -end - --- Emit a fatal error. Processing stops. -local function wfatal(msg) - g_errcount = "fatal" - werror(msg) -end - --- Print a warning. Processing continues. -local function wwarn(msg) - stderr:write(format("%s:%s: warning: %s:\n%s\n", - g_fname, g_lineno, msg, g_curline)) -end - --- Print caught error message. But suppress excessive errors. -local function wprinterr(...) - if type(g_errcount) == "number" then - -- Regular error. - g_errcount = g_errcount + 1 - if g_errcount < 21 then -- Seems to be a reasonable limit. - stderr:write(...) - elseif g_errcount == 21 then - stderr:write(g_fname, - ":*: warning: too many errors (suppressed further messages).\n") - end - else - -- Fatal error. - stderr:write(...) - return true -- Stop processing. - end -end - ------------------------------------------------------------------------------- - --- Map holding all option handlers. -local opt_map = {} -local opt_current - --- Print error and exit with error status. -local function opterror(...) - stderr:write("dynasm.lua: ERROR: ", ...) - stderr:write("\n") - exit(1) -end - --- Get option parameter. -local function optparam(args) - local argn = args.argn - local p = args[argn] - if not p then - opterror("missing parameter for option `", opt_current, "'.") - end - args.argn = argn + 1 - return p -end - ------------------------------------------------------------------------------- - --- Core pseudo-opcodes. -local map_coreop = {} --- Dummy opcode map. Replaced by arch-specific map. -local map_op = {} - --- Forward declarations. -local dostmt -local readfile - ------------------------------------------------------------------------------- - --- Map for defines (initially empty, chains to arch-specific map). -local map_def = {} - --- Pseudo-opcode to define a substitution. -map_coreop[".define_2"] = function(params, nparams) - if not params then return nparams == 1 and "name" or "name, subst" end - local name, def = params[1], params[2] or "1" - if not match(name, "^[%a_][%w_]*$") then werror("bad or duplicate define") end - map_def[name] = def -end -map_coreop[".define_1"] = map_coreop[".define_2"] - --- Define a substitution on the command line. -function opt_map.D(args) - local namesubst = optparam(args) - local name, subst = match(namesubst, "^([%a_][%w_]*)=(.*)$") - if name then - map_def[name] = subst - elseif match(namesubst, "^[%a_][%w_]*$") then - map_def[namesubst] = "1" - else - opterror("bad define") - end -end - --- Undefine a substitution on the command line. -function opt_map.U(args) - local name = optparam(args) - if match(name, "^[%a_][%w_]*$") then - map_def[name] = nil - else - opterror("bad define") - end -end - --- Helper for definesubst. -local gotsubst - -local function definesubst_one(word) - local subst = map_def[word] - if subst then gotsubst = word; return subst else return word end -end - --- Iteratively substitute defines. -local function definesubst(stmt) - -- Limit number of iterations. - for i=1,100 do - gotsubst = false - stmt = gsub(stmt, "#?[%w_]+", definesubst_one) - if not gotsubst then break end - end - if gotsubst then wfatal("recursive define involving `"..gotsubst.."'") end - return stmt -end - --- Dump all defines. -local function dumpdefines(out, lvl) - local t = {} - for name in pairs(map_def) do - t[#t+1] = name - end - sort(t) - out:write("Defines:\n") - for _,name in ipairs(t) do - local subst = map_def[name] - if g_arch then subst = g_arch.revdef(subst) end - out:write(format(" %-20s %s\n", name, subst)) - end - out:write("\n") -end - ------------------------------------------------------------------------------- - --- Support variables for conditional assembly. -local condlevel = 0 -local condstack = {} - --- Evaluate condition with a Lua expression. Substitutions already performed. -local function cond_eval(cond) - local func, err = loadstring("return "..cond) - if func then - setfenv(func, {}) -- No globals. All unknown identifiers evaluate to nil. - local ok, res = pcall(func) - if ok then - if res == 0 then return false end -- Oh well. - return not not res - end - err = res - end - wfatal("bad condition: "..err) -end - --- Skip statements until next conditional pseudo-opcode at the same level. -local function stmtskip() - local dostmt_save = dostmt - local lvl = 0 - dostmt = function(stmt) - local op = match(stmt, "^%s*(%S+)") - if op == ".if" then - lvl = lvl + 1 - elseif lvl ~= 0 then - if op == ".endif" then lvl = lvl - 1 end - elseif op == ".elif" or op == ".else" or op == ".endif" then - dostmt = dostmt_save - dostmt(stmt) - end - end -end - --- Pseudo-opcodes for conditional assembly. -map_coreop[".if_1"] = function(params) - if not params then return "condition" end - local lvl = condlevel + 1 - local res = cond_eval(params[1]) - condlevel = lvl - condstack[lvl] = res - if not res then stmtskip() end -end - -map_coreop[".elif_1"] = function(params) - if not params then return "condition" end - if condlevel == 0 then wfatal(".elif without .if") end - local lvl = condlevel - local res = condstack[lvl] - if res then - if res == "else" then wfatal(".elif after .else") end - else - res = cond_eval(params[1]) - if res then - condstack[lvl] = res - return - end - end - stmtskip() -end - -map_coreop[".else_0"] = function(params) - if condlevel == 0 then wfatal(".else without .if") end - local lvl = condlevel - local res = condstack[lvl] - condstack[lvl] = "else" - if res then - if res == "else" then wfatal(".else after .else") end - stmtskip() - end -end - -map_coreop[".endif_0"] = function(params) - local lvl = condlevel - if lvl == 0 then wfatal(".endif without .if") end - condlevel = lvl - 1 -end - --- Check for unfinished conditionals. -local function checkconds() - if g_errcount ~= "fatal" and condlevel ~= 0 then - wprinterr(g_fname, ":*: error: unbalanced conditional\n") - end -end - ------------------------------------------------------------------------------- - --- Search for a file in the given path and open it for reading. -local function pathopen(path, name) - local dirsep = match(package.path, "\\") and "\\" or "/" - for _,p in ipairs(path) do - local fullname = p == "" and name or p..dirsep..name - local fin = io.open(fullname, "r") - if fin then - g_fname = fullname - return fin - end - end -end - --- Include a file. -map_coreop[".include_1"] = function(params) - if not params then return "filename" end - local name = params[1] - -- Save state. Ugly, I know. but upvalues are fast. - local gf, gl, gcl, gi = g_fname, g_lineno, g_curline, g_indent - -- Read the included file. - local fatal = readfile(pathopen(g_opt.include, name) or - wfatal("include file `"..name.."' not found")) - -- Restore state. - g_synclineno = -1 - g_fname, g_lineno, g_curline, g_indent = gf, gl, gcl, gi - if fatal then wfatal("in include file") end -end - --- Make .include and conditionals initially available, too. -map_op[".include_1"] = map_coreop[".include_1"] -map_op[".if_1"] = map_coreop[".if_1"] -map_op[".elif_1"] = map_coreop[".elif_1"] -map_op[".else_0"] = map_coreop[".else_0"] -map_op[".endif_0"] = map_coreop[".endif_0"] - ------------------------------------------------------------------------------- - --- Support variables for macros. -local mac_capture, mac_lineno, mac_name -local mac_active = {} -local mac_list = {} - --- Pseudo-opcode to define a macro. -map_coreop[".macro_*"] = function(mparams) - if not mparams then return "name [, params...]" end - -- Split off and validate macro name. - local name = remove(mparams, 1) - if not name then werror("missing macro name") end - if not (match(name, "^[%a_][%w_%.]*$") or match(name, "^%.[%w_%.]+$")) then - wfatal("bad macro name `"..name.."'") - end - -- Validate macro parameter names. - local mdup = {} - for _,mp in ipairs(mparams) do - if not match(mp, "^[%a_][%w_]*$") then - wfatal("bad macro parameter name `"..mp.."'") - end - if mdup[mp] then wfatal("duplicate macro parameter name `"..mp.."'") end - mdup[mp] = true - end - -- Check for duplicate or recursive macro definitions. - local opname = name.."_"..#mparams - if map_op[opname] or map_op[name.."_*"] then - wfatal("duplicate macro `"..name.."' ("..#mparams.." parameters)") - end - if mac_capture then wfatal("recursive macro definition") end - - -- Enable statement capture. - local lines = {} - mac_lineno = g_lineno - mac_name = name - mac_capture = function(stmt) -- Statement capture function. - -- Stop macro definition with .endmacro pseudo-opcode. - if not match(stmt, "^%s*.endmacro%s*$") then - lines[#lines+1] = stmt - return - end - mac_capture = nil - mac_lineno = nil - mac_name = nil - mac_list[#mac_list+1] = opname - -- Add macro-op definition. - map_op[opname] = function(params) - if not params then return mparams, lines end - -- Protect against recursive macro invocation. - if mac_active[opname] then wfatal("recursive macro invocation") end - mac_active[opname] = true - -- Setup substitution map. - local subst = {} - for i,mp in ipairs(mparams) do subst[mp] = params[i] end - local mcom - if g_opt.maccomment and g_opt.comment then - mcom = " MACRO "..name.." ("..#mparams..")" - wcomment("{"..mcom) - end - -- Loop through all captured statements - for _,stmt in ipairs(lines) do - -- Substitute macro parameters. - local st = gsub(stmt, "[%w_]+", subst) - st = definesubst(st) - st = gsub(st, "%s*%.%.%s*", "") -- Token paste a..b. - if mcom and sub(st, 1, 1) ~= "|" then wcomment(st) end - -- Emit statement. Use a protected call for better diagnostics. - local ok, err = pcall(dostmt, st) - if not ok then - -- Add the captured statement to the error. - wprinterr(err, "\n", g_indent, "| ", stmt, - "\t[MACRO ", name, " (", #mparams, ")]\n") - end - end - if mcom then wcomment("}"..mcom) end - mac_active[opname] = nil - end - end -end - --- An .endmacro pseudo-opcode outside of a macro definition is an error. -map_coreop[".endmacro_0"] = function(params) - wfatal(".endmacro without .macro") -end - --- Dump all macros and their contents (with -PP only). -local function dumpmacros(out, lvl) - sort(mac_list) - out:write("Macros:\n") - for _,opname in ipairs(mac_list) do - local name = sub(opname, 1, -3) - local params, lines = map_op[opname]() - out:write(format(" %-20s %s\n", name, concat(params, ", "))) - if lvl > 1 then - for _,line in ipairs(lines) do - out:write(" |", line, "\n") - end - out:write("\n") - end - end - out:write("\n") -end - --- Check for unfinished macro definitions. -local function checkmacros() - if mac_capture then - wprinterr(g_fname, ":", mac_lineno, - ": error: unfinished .macro `", mac_name ,"'\n") - end -end - ------------------------------------------------------------------------------- - --- Support variables for captures. -local cap_lineno, cap_name -local cap_buffers = {} -local cap_used = {} - --- Start a capture. -map_coreop[".capture_1"] = function(params) - if not params then return "name" end - wflush() - local name = params[1] - if not match(name, "^[%a_][%w_]*$") then - wfatal("bad capture name `"..name.."'") - end - if cap_name then - wfatal("already capturing to `"..cap_name.."' since line "..cap_lineno) - end - cap_name = name - cap_lineno = g_lineno - -- Create or continue a capture buffer and start the output line capture. - local buf = cap_buffers[name] - if not buf then buf = {}; cap_buffers[name] = buf end - g_capbuffer = buf - g_synclineno = 0 -end - --- Stop a capture. -map_coreop[".endcapture_0"] = function(params) - wflush() - if not cap_name then wfatal(".endcapture without a valid .capture") end - cap_name = nil - cap_lineno = nil - g_capbuffer = nil - g_synclineno = 0 -end - --- Dump a capture buffer. -map_coreop[".dumpcapture_1"] = function(params) - if not params then return "name" end - wflush() - local name = params[1] - if not match(name, "^[%a_][%w_]*$") then - wfatal("bad capture name `"..name.."'") - end - cap_used[name] = true - wline(function(out) - local buf = cap_buffers[name] - if buf then wdumplines(out, buf) end - end) - g_synclineno = 0 -end - --- Dump all captures and their buffers (with -PP only). -local function dumpcaptures(out, lvl) - out:write("Captures:\n") - for name,buf in pairs(cap_buffers) do - out:write(format(" %-20s %4s)\n", name, "("..#buf)) - if lvl > 1 then - local bar = rep("=", 76) - out:write(" ", bar, "\n") - for _,line in ipairs(buf) do - out:write(" ", line, "\n") - end - out:write(" ", bar, "\n\n") - end - end - out:write("\n") -end - --- Check for unfinished or unused captures. -local function checkcaptures() - if cap_name then - wprinterr(g_fname, ":", cap_lineno, - ": error: unfinished .capture `", cap_name,"'\n") - return - end - for name in pairs(cap_buffers) do - if not cap_used[name] then - wprinterr(g_fname, ":*: error: missing .dumpcapture ", name ,"\n") - end - end -end - ------------------------------------------------------------------------------- - --- Sections names. -local map_sections = {} - --- Pseudo-opcode to define code sections. --- TODO: Data sections, BSS sections. Needs extra C code and API. -map_coreop[".section_*"] = function(params) - if not params then return "name..." end - if #map_sections > 0 then werror("duplicate section definition") end - wflush() - for sn,name in ipairs(params) do - local opname = "."..name.."_0" - if not match(name, "^[%a][%w_]*$") or - map_op[opname] or map_op["."..name.."_*"] then - werror("bad section name `"..name.."'") - end - map_sections[#map_sections+1] = name - wline(format("#define DASM_SECTION_%s\t%d", upper(name), sn-1)) - map_op[opname] = function(params) g_arch.section(sn-1) end - end - wline(format("#define DASM_MAXSECTION\t\t%d", #map_sections)) -end - --- Dump all sections. -local function dumpsections(out, lvl) - out:write("Sections:\n") - for _,name in ipairs(map_sections) do - out:write(format(" %s\n", name)) - end - out:write("\n") -end - ------------------------------------------------------------------------------- - --- Load architecture-specific module. -local function loadarch(arch) - if not match(arch, "^[%w_]+$") then return "bad arch name" end - local ok, m_arch = pcall(require, "dasm_"..arch) - if not ok then return "cannot load module: "..m_arch end - g_arch = m_arch - wflush = m_arch.passcb(wline, werror, wfatal, wwarn) - m_arch.setup(arch, g_opt) - map_op, map_def = m_arch.mergemaps(map_coreop, map_def) -end - --- Dump architecture description. -function opt_map.dumparch(args) - local name = optparam(args) - if not g_arch then - local err = loadarch(name) - if err then opterror(err) end - end - - local t = {} - for name in pairs(map_coreop) do t[#t+1] = name end - for name in pairs(map_op) do t[#t+1] = name end - sort(t) - - local out = stdout - local _arch = g_arch._info - out:write(format("%s version %s, released %s, %s\n", - _info.name, _info.version, _info.release, _info.url)) - g_arch.dumparch(out) - - local pseudo = true - out:write("Pseudo-Opcodes:\n") - for _,sname in ipairs(t) do - local name, nparam = match(sname, "^(.+)_([0-9%*])$") - if name then - if pseudo and sub(name, 1, 1) ~= "." then - out:write("\nOpcodes:\n") - pseudo = false - end - local f = map_op[sname] - local s - if nparam ~= "*" then nparam = nparam + 0 end - if nparam == 0 then - s = "" - elseif type(f) == "string" then - s = map_op[".template__"](nil, f, nparam) - else - s = f(nil, nparam) - end - if type(s) == "table" then - for _,s2 in ipairs(s) do - out:write(format(" %-12s %s\n", name, s2)) - end - else - out:write(format(" %-12s %s\n", name, s)) - end - end - end - out:write("\n") - exit(0) -end - --- Pseudo-opcode to set the architecture. --- Only initially available (map_op is replaced when called). -map_op[".arch_1"] = function(params) - if not params then return "name" end - local err = loadarch(params[1]) - if err then wfatal(err) end -end - --- Dummy .arch pseudo-opcode to improve the error report. -map_coreop[".arch_1"] = function(params) - if not params then return "name" end - wfatal("duplicate .arch statement") -end - ------------------------------------------------------------------------------- - --- Dummy pseudo-opcode. Don't confuse '.nop' with 'nop'. -map_coreop[".nop_*"] = function(params) - if not params then return "[ignored...]" end -end - --- Pseudo-opcodes to raise errors. -map_coreop[".error_1"] = function(params) - if not params then return "message" end - werror(params[1]) -end - -map_coreop[".fatal_1"] = function(params) - if not params then return "message" end - wfatal(params[1]) -end - --- Dump all user defined elements. -local function dumpdef(out) - local lvl = g_opt.dumpdef - if lvl == 0 then return end - dumpsections(out, lvl) - dumpdefines(out, lvl) - if g_arch then g_arch.dumpdef(out, lvl) end - dumpmacros(out, lvl) - dumpcaptures(out, lvl) -end - ------------------------------------------------------------------------------- - --- Helper for splitstmt. -local splitlvl - -local function splitstmt_one(c) - if c == "(" then - splitlvl = ")"..splitlvl - elseif c == "[" then - splitlvl = "]"..splitlvl - elseif c == "{" then - splitlvl = "}"..splitlvl - elseif c == ")" or c == "]" or c == "}" then - if sub(splitlvl, 1, 1) ~= c then werror("unbalanced (), [] or {}") end - splitlvl = sub(splitlvl, 2) - elseif splitlvl == "" then - return " \0 " - end - return c -end - --- Split statement into (pseudo-)opcode and params. -local function splitstmt(stmt) - -- Convert label with trailing-colon into .label statement. - local label = match(stmt, "^%s*(.+):%s*$") - if label then return ".label", {label} end - - -- Split at commas and equal signs, but obey parentheses and brackets. - splitlvl = "" - stmt = gsub(stmt, "[,%(%)%[%]{}]", splitstmt_one) - if splitlvl ~= "" then werror("unbalanced () or []") end - - -- Split off opcode. - local op, other = match(stmt, "^%s*([^%s%z]+)%s*(.*)$") - if not op then werror("bad statement syntax") end - - -- Split parameters. - local params = {} - for p in gmatch(other, "%s*(%Z+)%z?") do - params[#params+1] = gsub(p, "%s+$", "") - end - if #params > 16 then werror("too many parameters") end - - params.op = op - return op, params -end - --- Process a single statement. -dostmt = function(stmt) - -- Ignore empty statements. - if match(stmt, "^%s*$") then return end - - -- Capture macro defs before substitution. - if mac_capture then return mac_capture(stmt) end - stmt = definesubst(stmt) - - -- Emit C code without parsing the line. - if sub(stmt, 1, 1) == "|" then - local tail = sub(stmt, 2) - wflush() - if sub(tail, 1, 2) == "//" then wcomment(tail) else wline(tail, true) end - return - end - - -- Split into (pseudo-)opcode and params. - local op, params = splitstmt(stmt) - - -- Get opcode handler (matching # of parameters or generic handler). - local f = map_op[op.."_"..#params] or map_op[op.."_*"] - if not f then - if not g_arch then wfatal("first statement must be .arch") end - -- Improve error report. - for i=0,9 do - if map_op[op.."_"..i] then - werror("wrong number of parameters for `"..op.."'") - end - end - werror("unknown statement `"..op.."'") - end - - -- Call opcode handler or special handler for template strings. - if type(f) == "string" then - map_op[".template__"](params, f) - else - f(params) - end -end - --- Process a single line. -local function doline(line) - if g_opt.flushline then wflush() end - - -- Assembler line? - local indent, aline = match(line, "^(%s*)%|(.*)$") - if not aline then - -- No, plain C code line, need to flush first. - wflush() - wsync() - wline(line, false) - return - end - - g_indent = indent -- Remember current line indentation. - - -- Emit C code (even from macros). Avoids echo and line parsing. - if sub(aline, 1, 1) == "|" then - if not mac_capture then - wsync() - elseif g_opt.comment then - wsync() - wcomment(aline) - end - dostmt(aline) - return - end - - -- Echo assembler line as a comment. - if g_opt.comment then - wsync() - wcomment(aline) - end - - -- Strip assembler comments. - aline = gsub(aline, "//.*$", "") - - -- Split line into statements at semicolons. - if match(aline, ";") then - for stmt in gmatch(aline, "[^;]+") do dostmt(stmt) end - else - dostmt(aline) - end -end - ------------------------------------------------------------------------------- - --- Write DynASM header. -local function dasmhead(out) - out:write(format([[ -/* -** This file has been pre-processed with DynASM. -** %s -** DynASM version %s, DynASM %s version %s -** DO NOT EDIT! The original file is in "%s". -*/ - -#if DASM_VERSION != %d -#error "Version mismatch between DynASM and included encoding engine" -#endif - -]], _info.url, - _info.version, g_arch._info.arch, g_arch._info.version, - g_fname, _info.vernum)) -end - --- Read input file. -readfile = function(fin) - g_indent = "" - g_lineno = 0 - g_synclineno = -1 - - -- Process all lines. - for line in fin:lines() do - g_lineno = g_lineno + 1 - g_curline = line - local ok, err = pcall(doline, line) - if not ok and wprinterr(err, "\n") then return true end - end - wflush() - - -- Close input file. - assert(fin == stdin or fin:close()) -end - --- Write output file. -local function writefile(outfile) - local fout - - -- Open output file. - if outfile == nil or outfile == "-" then - fout = stdout - else - fout = assert(io.open(outfile, "w")) - end - - -- Write all buffered lines - wdumplines(fout, g_wbuffer) - - -- Close output file. - assert(fout == stdout or fout:close()) - - -- Optionally dump definitions. - dumpdef(fout == stdout and stderr or stdout) -end - --- Translate an input file to an output file. -local function translate(infile, outfile) - g_wbuffer = {} - g_indent = "" - g_lineno = 0 - g_synclineno = -1 - - -- Put header. - wline(dasmhead) - - -- Read input file. - local fin - if infile == "-" then - g_fname = "(stdin)" - fin = stdin - else - g_fname = infile - fin = assert(io.open(infile, "r")) - end - readfile(fin) - - -- Check for errors. - if not g_arch then - wprinterr(g_fname, ":*: error: missing .arch directive\n") - end - checkconds() - checkmacros() - checkcaptures() - - if g_errcount ~= 0 then - stderr:write(g_fname, ":*: info: ", g_errcount, " error", - (type(g_errcount) == "number" and g_errcount > 1) and "s" or "", - " in input file -- no output file generated.\n") - dumpdef(stderr) - exit(1) - end - - -- Write output file. - writefile(outfile) -end - ------------------------------------------------------------------------------- - --- Print help text. -function opt_map.help() - stdout:write("DynASM -- ", _info.description, ".\n") - stdout:write("DynASM ", _info.version, " ", _info.release, " ", _info.url, "\n") - stdout:write[[ - -Usage: dynasm [OPTION]... INFILE.dasc|- - - -h, --help Display this help text. - -V, --version Display version and copyright information. - - -o, --outfile FILE Output file name (default is stdout). - -I, --include DIR Add directory to the include search path. - - -c, --ccomment Use /* */ comments for assembler lines. - -C, --cppcomment Use // comments for assembler lines (default). - -N, --nocomment Suppress assembler lines in output. - -M, --maccomment Show macro expansions as comments (default off). - - -L, --nolineno Suppress CPP line number information in output. - -F, --flushline Flush action list for every line. - - -D NAME[=SUBST] Define a substitution. - -U NAME Undefine a substitution. - - -P, --dumpdef Dump defines, macros, etc. Repeat for more output. - -A, --dumparch ARCH Load architecture ARCH and dump description. -]] - exit(0) -end - --- Print version information. -function opt_map.version() - stdout:write(format("%s version %s, released %s\n%s\n\n%s", - _info.name, _info.version, _info.release, _info.url, _info.copyright)) - exit(0) -end - --- Misc. options. -function opt_map.outfile(args) g_opt.outfile = optparam(args) end -function opt_map.include(args) insert(g_opt.include, 1, optparam(args)) end -function opt_map.ccomment() g_opt.comment = "/*|"; g_opt.endcomment = " */" end -function opt_map.cppcomment() g_opt.comment = "//|"; g_opt.endcomment = "" end -function opt_map.nocomment() g_opt.comment = false end -function opt_map.maccomment() g_opt.maccomment = true end -function opt_map.nolineno() g_opt.cpp = false end -function opt_map.flushline() g_opt.flushline = true end -function opt_map.dumpdef() g_opt.dumpdef = g_opt.dumpdef + 1 end - ------------------------------------------------------------------------------- - --- Short aliases for long options. -local opt_alias = { - h = "help", ["?"] = "help", V = "version", - o = "outfile", I = "include", - c = "ccomment", C = "cppcomment", N = "nocomment", M = "maccomment", - L = "nolineno", F = "flushline", - P = "dumpdef", A = "dumparch", -} - --- Parse single option. -local function parseopt(opt, args) - opt_current = #opt == 1 and "-"..opt or "--"..opt - local f = opt_map[opt] or opt_map[opt_alias[opt]] - if not f then - opterror("unrecognized option `", opt_current, "'. Try `--help'.\n") - end - f(args) -end - --- Parse arguments. -local function parseargs(args) - -- Default options. - g_opt.comment = "//|" - g_opt.endcomment = "" - g_opt.cpp = true - g_opt.dumpdef = 0 - g_opt.include = { "" } - - -- Process all option arguments. - args.argn = 1 - repeat - local a = args[args.argn] - if not a then break end - local lopt, opt = match(a, "^%-(%-?)(.+)") - if not opt then break end - args.argn = args.argn + 1 - if lopt == "" then - -- Loop through short options. - for o in gmatch(opt, ".") do parseopt(o, args) end - else - -- Long option. - parseopt(opt, args) - end - until false - - -- Check for proper number of arguments. - local nargs = #args - args.argn + 1 - if nargs ~= 1 then - if nargs == 0 then - if g_opt.dumpdef > 0 then return dumpdef(stdout) end - end - opt_map.help() - end - - -- Translate a single input file to a single output file - -- TODO: Handle multiple files? - translate(args[args.argn], g_opt.outfile) -end - ------------------------------------------------------------------------------- - --- Add the directory dynasm.lua resides in to the Lua module search path. -local arg = arg -if arg and arg[0] then - local prefix = match(arg[0], "^(.*[/\\])") - if prefix then package.path = prefix.."?.lua;"..package.path end -end - --- Start DynASM. -parseargs{...} - ------------------------------------------------------------------------------- - diff --git a/libraries/luajit-2.0/etc/luajit.1 b/libraries/luajit-2.0/etc/luajit.1 deleted file mode 100644 index 57080bc..0000000 --- a/libraries/luajit-2.0/etc/luajit.1 +++ /dev/null @@ -1,85 +0,0 @@ -.TH luajit 1 "" "" "LuaJIT documentation" -.SH NAME -luajit \- Just-In-Time Compiler for the Lua Language -\fB -.SH SYNOPSIS -.B luajit -[\fIoptions\fR]... [\fIscript\fR [\fIargs\fR]...] -.SH "WEB SITE" -.IR http://luajit.org -.SH DESCRIPTION -.PP -This is the command-line program to run Lua programs with \fBLuaJIT\fR. -.PP -\fBLuaJIT\fR is a just-in-time (JIT) compiler for the Lua language. -The virtual machine (VM) is based on a fast interpreter combined with -a trace compiler. It can significantly improve the performance of Lua programs. -.PP -\fBLuaJIT\fR is API\- and ABI-compatible with the VM of the standard -Lua\ 5.1 interpreter. When embedding the VM into an application, -the built library can be used as a drop-in replacement. -.SH OPTIONS -.TP -.BI "\-e " chunk -Run the given chunk of Lua code. -.TP -.BI "\-l " library -Load the named library, just like \fBrequire("\fR\fIlibrary\fR\fB")\fR. -.TP -.BI "\-b " ... -Save or list bytecode. Run without arguments to get help on options. -.TP -.BI "\-j " command -Perform LuaJIT control command (optional space after \fB\-j\fR). -.TP -.BI "\-O" [opt] -Control LuaJIT optimizations. -.TP -.B "\-i" -Run in interactive mode. -.TP -.B "\-v" -Show \fBLuaJIT\fR version. -.TP -.B "\-\-" -Stop processing options. -.TP -.B "\-" -Read script from stdin instead. -.PP -After all options are processed, the given \fIscript\fR is run. -The arguments are passed in the global \fIarg\fR table. -.PP -Interactive mode is only entered, if no \fIscript\fR and no \fB\-e\fR -option is given. Interactive mode can be left with EOF (\fICtrl\-Z\fB). -.SH EXAMPLES -.TP -luajit hello.lua world - -Prints "Hello world", assuming \fIhello.lua\fR contains: -.br - print("Hello", arg[1]) -.TP -luajit \-e "local x=0; for i=1,1e9 do x=x+i end; print(x)" - -Calculates the sum of the numbers from 1 to 1000000000. -.br -And finishes in a reasonable amount of time, too. -.TP -luajit \-jv \-e "for i=1,10 do for j=1,10 do for k=1,100 do end end end" - -Runs some nested loops and shows the resulting traces. -.SH COPYRIGHT -.PP -\fBLuaJIT\fR is Copyright \(co 2005-2011 Mike Pall. -.br -\fBLuaJIT\fR is open source software, released under the MIT license. -.SH SEE ALSO -.PP -More details in the provided HTML docs or at: -.IR http://luajit.org -.br -More about the Lua language can be found at: -.IR http://lua.org/docs.html -.PP -lua(1) diff --git a/libraries/luajit-2.0/etc/luajit.pc b/libraries/luajit-2.0/etc/luajit.pc deleted file mode 100644 index 974abde..0000000 --- a/libraries/luajit-2.0/etc/luajit.pc +++ /dev/null @@ -1,24 +0,0 @@ -# Package information for LuaJIT to be used by pkg-config. -majver=2 -minver=0 -relver=0 -version=${majver}.${minver}.${relver}-beta9 -abiver=5.1 - -prefix=/usr/local -exec_prefix=${prefix} -libdir=${exec_prefix}/lib -libname=luajit-${abiver} -includedir=${prefix}/include/luajit-${majver}.${minver} - -INSTALL_LMOD=${prefix}/share/lua/${abiver} -INSTALL_CMOD=${prefix}/lib/lua/${abiver} - -Name: LuaJIT -Description: Just-in-time compiler for Lua -URL: http://luajit.org -Version: ${version} -Requires: -Libs: -L${libdir} -l${libname} -Libs.private: -Wl,-E -lm -ldl -Cflags: -I${includedir} diff --git a/libraries/luajit-2.0/etc/strict.lua b/libraries/luajit-2.0/etc/strict.lua deleted file mode 100644 index e57b0cc..0000000 --- a/libraries/luajit-2.0/etc/strict.lua +++ /dev/null @@ -1,41 +0,0 @@ --- --- strict.lua --- checks uses of undeclared global variables --- All global variables must be 'declared' through a regular assignment --- (even assigning nil will do) in a main chunk before being used --- anywhere or assigned to inside a function. --- - -local getinfo, error, rawset, rawget = debug.getinfo, error, rawset, rawget - -local mt = getmetatable(_G) -if mt == nil then - mt = {} - setmetatable(_G, mt) -end - -mt.__declared = {} - -local function what () - local d = getinfo(3, "S") - return d and d.what or "C" -end - -mt.__newindex = function (t, n, v) - if not mt.__declared[n] then - local w = what() - if w ~= "main" and w ~= "C" then - error("assign to undeclared variable '"..n.."'", 2) - end - mt.__declared[n] = true - end - rawset(t, n, v) -end - -mt.__index = function (t, n) - if not mt.__declared[n] and what() ~= "C" then - error("variable '"..n.."' is not declared", 2) - end - return rawget(t, n) -end - diff --git a/libraries/luajit-2.0/lib/.gitignore b/libraries/luajit-2.0/lib/.gitignore deleted file mode 100644 index 500e285..0000000 --- a/libraries/luajit-2.0/lib/.gitignore +++ /dev/null @@ -1 +0,0 @@ -vmdef.lua diff --git a/libraries/luajit-2.0/lib/bc.lua b/libraries/luajit-2.0/lib/bc.lua deleted file mode 100644 index c2c9502..0000000 --- a/libraries/luajit-2.0/lib/bc.lua +++ /dev/null @@ -1,192 +0,0 @@ ----------------------------------------------------------------------------- --- LuaJIT bytecode listing module. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- Released under the MIT license. See Copyright Notice in luajit.h ----------------------------------------------------------------------------- --- --- This module lists the bytecode of a Lua function. If it's loaded by -jbc --- it hooks into the parser and lists all functions of a chunk as they --- are parsed. --- --- Example usage: --- --- luajit -jbc -e 'local x=0; for i=1,1e6 do x=x+i end; print(x)' --- luajit -jbc=- foo.lua --- luajit -jbc=foo.list foo.lua --- --- Default output is to stderr. To redirect the output to a file, pass a --- filename as an argument (use '-' for stdout) or set the environment --- variable LUAJIT_LISTFILE. The file is overwritten every time the module --- is started. --- --- This module can also be used programmatically: --- --- local bc = require("jit.bc") --- --- local function foo() print("hello") end --- --- bc.dump(foo) --> -- BYTECODE -- [...] --- print(bc.line(foo, 2)) --> 0002 KSTR 1 1 ; "hello" --- --- local out = { --- -- Do something with each line: --- write = function(t, ...) io.write(...) end, --- close = function(t) end, --- flush = function(t) end, --- } --- bc.dump(foo, out) --- ------------------------------------------------------------------------------- - --- Cache some library functions and objects. -local jit = require("jit") -assert(jit.version_num == 20000, "LuaJIT core/library version mismatch") -local jutil = require("jit.util") -local vmdef = require("jit.vmdef") -local bit = require("bit") -local sub, gsub, format = string.sub, string.gsub, string.format -local byte, band, shr = string.byte, bit.band, bit.rshift -local funcinfo, funcbc, funck = jutil.funcinfo, jutil.funcbc, jutil.funck -local funcuvname = jutil.funcuvname -local bcnames = vmdef.bcnames -local stdout, stderr = io.stdout, io.stderr - ------------------------------------------------------------------------------- - -local function ctlsub(c) - if c == "\n" then return "\\n" - elseif c == "\r" then return "\\r" - elseif c == "\t" then return "\\t" - elseif c == "\r" then return "\\r" - else return format("\\%03d", byte(c)) - end -end - --- Return one bytecode line. -local function bcline(func, pc, prefix) - local ins, m = funcbc(func, pc) - if not ins then return end - local ma, mb, mc = band(m, 7), band(m, 15*8), band(m, 15*128) - local a = band(shr(ins, 8), 0xff) - local oidx = 6*band(ins, 0xff) - local op = sub(bcnames, oidx+1, oidx+6) - local s = format("%04d %s %-6s %3s ", - pc, prefix or " ", op, ma == 0 and "" or a) - local d = shr(ins, 16) - if mc == 13*128 then -- BCMjump - return format("%s=> %04d\n", s, pc+d-0x7fff) - end - if mb ~= 0 then - d = band(d, 0xff) - elseif mc == 0 then - return s.."\n" - end - local kc - if mc == 10*128 then -- BCMstr - kc = funck(func, -d-1) - kc = format(#kc > 40 and '"%.40s"~' or '"%s"', gsub(kc, "%c", ctlsub)) - elseif mc == 9*128 then -- BCMnum - kc = funck(func, d) - if op == "TSETM " then kc = kc - 2^52 end - elseif mc == 12*128 then -- BCMfunc - local fi = funcinfo(funck(func, -d-1)) - if fi.ffid then - kc = vmdef.ffnames[fi.ffid] - else - kc = fi.loc - end - elseif mc == 5*128 then -- BCMuv - kc = funcuvname(func, d) - end - if ma == 5 then -- BCMuv - local ka = funcuvname(func, a) - if kc then kc = ka.." ; "..kc else kc = ka end - end - if mb ~= 0 then - local b = shr(ins, 24) - if kc then return format("%s%3d %3d ; %s\n", s, b, d, kc) end - return format("%s%3d %3d\n", s, b, d) - end - if kc then return format("%s%3d ; %s\n", s, d, kc) end - if mc == 7*128 and d > 32767 then d = d - 65536 end -- BCMlits - return format("%s%3d\n", s, d) -end - --- Collect branch targets of a function. -local function bctargets(func) - local target = {} - for pc=1,1000000000 do - local ins, m = funcbc(func, pc) - if not ins then break end - if band(m, 15*128) == 13*128 then target[pc+shr(ins, 16)-0x7fff] = true end - end - return target -end - --- Dump bytecode instructions of a function. -local function bcdump(func, out, all) - if not out then out = stdout end - local fi = funcinfo(func) - if all and fi.children then - for n=-1,-1000000000,-1 do - local k = funck(func, n) - if not k then break end - if type(k) == "proto" then bcdump(k, out, true) end - end - end - out:write(format("-- BYTECODE -- %s-%d\n", fi.loc, fi.lastlinedefined)) - local target = bctargets(func) - for pc=1,1000000000 do - local s = bcline(func, pc, target[pc] and "=>") - if not s then break end - out:write(s) - end - out:write("\n") - out:flush() -end - ------------------------------------------------------------------------------- - --- Active flag and output file handle. -local active, out - --- List handler. -local function h_list(func) - return bcdump(func, out) -end - --- Detach list handler. -local function bclistoff() - if active then - active = false - jit.attach(h_list) - if out and out ~= stdout and out ~= stderr then out:close() end - out = nil - end -end - --- Open the output file and attach list handler. -local function bcliston(outfile) - if active then bclistoff() end - if not outfile then outfile = os.getenv("LUAJIT_LISTFILE") end - if outfile then - out = outfile == "-" and stdout or assert(io.open(outfile, "w")) - else - out = stderr - end - jit.attach(h_list, "bc") - active = true -end - --- Public module functions. -module(...) - -line = bcline -dump = bcdump -targets = bctargets - -on = bcliston -off = bclistoff -start = bcliston -- For -j command line option. - diff --git a/libraries/luajit-2.0/lib/bcsave.lua b/libraries/luajit-2.0/lib/bcsave.lua deleted file mode 100644 index 1783014..0000000 --- a/libraries/luajit-2.0/lib/bcsave.lua +++ /dev/null @@ -1,496 +0,0 @@ ----------------------------------------------------------------------------- --- LuaJIT module to save/list bytecode. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- Released under the MIT license. See Copyright Notice in luajit.h ----------------------------------------------------------------------------- --- --- This module saves or lists the bytecode for an input file. --- It's run by the -b command line option. --- ------------------------------------------------------------------------------- - -local jit = require("jit") -assert(jit.version_num == 20000, "LuaJIT core/library version mismatch") - --- Symbol name prefix for LuaJIT bytecode. -local LJBC_PREFIX = "luaJIT_BC_" - ------------------------------------------------------------------------------- - -local function usage() - io.stderr:write[[ -Save LuaJIT bytecode: luajit -b[options] input output - -l Only list bytecode. - -s Strip debug info (default). - -g Keep debug info. - -n name Set module name (default: auto-detect from input name). - -t type Set output file type (default: auto-detect from output name). - -a arch Override architecture for object files (default: native). - -o os Override OS for object files (default: native). - -e chunk Use chunk string as input. - -- Stop handling options. - - Use stdin as input and/or stdout as output. - -File types: c h obj o raw (default) -]] - os.exit(1) -end - -local function check(ok, ...) - if ok then return ok, ... end - io.stderr:write("luajit: ", ...) - io.stderr:write("\n") - os.exit(1) -end - -local function readfile(input) - if type(input) == "function" then return input end - if input == "-" then input = nil end - return check(loadfile(input)) -end - -local function savefile(name, mode) - if name == "-" then return io.stdout end - return check(io.open(name, mode)) -end - ------------------------------------------------------------------------------- - -local map_type = { - raw = "raw", c = "c", h = "h", o = "obj", obj = "obj", -} - -local map_arch = { - x86 = true, x64 = true, arm = true, ppc = true, ppcspe = true, -} - -local map_os = { - linux = true, windows = true, osx = true, freebsd = true, netbsd = true, - openbsd = true, solaris = true, -} - -local function checkarg(str, map, err) - str = string.lower(str) - local s = check(map[str], "unknown ", err) - return s == true and str or s -end - -local function detecttype(str) - local ext = string.match(string.lower(str), "%.(%a+)$") - return map_type[ext] or "raw" -end - -local function checkmodname(str) - check(string.match(str, "^[%w_.%-]+$"), "bad module name") - return string.gsub(str, "[%.%-]", "_") -end - -local function detectmodname(str) - if type(str) == "string" then - local tail = string.match(str, "[^/\\]+$") - if tail then str = tail end - local head = string.match(str, "^(.*)%.[^.]*$") - if head then str = head end - str = string.match(str, "^[%w_.%-]+") - else - str = nil - end - check(str, "cannot derive module name, use -n name") - return string.gsub(str, "[%.%-]", "_") -end - ------------------------------------------------------------------------------- - -local function bcsave_tail(fp, output, s) - local ok, err = fp:write(s) - if ok and output ~= "-" then ok, err = fp:close() end - check(ok, "cannot write ", output, ": ", err) -end - -local function bcsave_raw(output, s) - local fp = savefile(output, "wb") - bcsave_tail(fp, output, s) -end - -local function bcsave_c(ctx, output, s) - local fp = savefile(output, "w") - if ctx.type == "c" then - fp:write(string.format([[ -#ifdef _cplusplus -extern "C" -#endif -#ifdef _WIN32 -__declspec(dllexport) -#endif -const char %s%s[] = { -]], LJBC_PREFIX, ctx.modname)) - else - fp:write(string.format([[ -#define %s%s_SIZE %d -static const char %s%s[] = { -]], LJBC_PREFIX, ctx.modname, #s, LJBC_PREFIX, ctx.modname)) - end - local t, n, m = {}, 0, 0 - for i=1,#s do - local b = tostring(string.byte(s, i)) - m = m + #b + 1 - if m > 78 then - fp:write(table.concat(t, ",", 1, n), ",\n") - n, m = 0, #b + 1 - end - n = n + 1 - t[n] = b - end - bcsave_tail(fp, output, table.concat(t, ",", 1, n).."\n};\n") -end - -local function bcsave_elfobj(ctx, output, s, ffi) - ffi.cdef[[ -typedef struct { - uint8_t emagic[4], eclass, eendian, eversion, eosabi, eabiversion, epad[7]; - uint16_t type, machine; - uint32_t version; - uint32_t entry, phofs, shofs; - uint32_t flags; - uint16_t ehsize, phentsize, phnum, shentsize, shnum, shstridx; -} ELF32header; -typedef struct { - uint8_t emagic[4], eclass, eendian, eversion, eosabi, eabiversion, epad[7]; - uint16_t type, machine; - uint32_t version; - uint64_t entry, phofs, shofs; - uint32_t flags; - uint16_t ehsize, phentsize, phnum, shentsize, shnum, shstridx; -} ELF64header; -typedef struct { - uint32_t name, type, flags, addr, ofs, size, link, info, align, entsize; -} ELF32sectheader; -typedef struct { - uint32_t name, type; - uint64_t flags, addr, ofs, size; - uint32_t link, info; - uint64_t align, entsize; -} ELF64sectheader; -typedef struct { - uint32_t name, value, size; - uint8_t info, other; - uint16_t sectidx; -} ELF32symbol; -typedef struct { - uint32_t name; - uint8_t info, other; - uint16_t sectidx; - uint64_t value, size; -} ELF64symbol; -typedef struct { - ELF32header hdr; - ELF32sectheader sect[6]; - ELF32symbol sym[2]; - uint8_t space[4096]; -} ELF32obj; -typedef struct { - ELF64header hdr; - ELF64sectheader sect[6]; - ELF64symbol sym[2]; - uint8_t space[4096]; -} ELF64obj; -]] - local symname = LJBC_PREFIX..ctx.modname - local is64, isbe = false, false - if ctx.arch == "x64" then - is64 = true - elseif ctx.arch == "ppc" or ctx.arch == "ppcspe" then - isbe = true - end - - -- Handle different host/target endianess. - local function f32(x) return x end - local f16, fofs = f32, f32 - if ffi.abi("be") ~= isbe then - f32 = bit.bswap - function f16(x) return bit.rshift(bit.bswap(x), 16) end - if is64 then - function fofs(x) return bit.bswap(x)*(2ll^32) end - else - fofs = f32 - end - end - - -- Create ELF object and fill in header. - local o = ffi.new(is64 and "ELF64obj" or "ELF32obj") - local hdr = o.hdr - if ctx.os == "bsd" or ctx.os == "other" then -- Determine native hdr.eosabi. - local bf = assert(io.open("/bin/ls", "rb")) - local bs = bf:read(9) - bf:close() - ffi.copy(o, bs, 9) - check(hdr.emagic[0] == 127, "no support for writing native object files") - else - hdr.emagic = "\127ELF" - hdr.eosabi = ({ freebsd=9, netbsd=2, openbsd=12, solaris=6 })[ctx.os] or 0 - end - hdr.eclass = is64 and 2 or 1 - hdr.eendian = isbe and 2 or 1 - hdr.eversion = 1 - hdr.type = f16(1) - hdr.machine = f16(({ x86=3, x64=62, arm=40, ppc=20, ppcspe=20 })[ctx.arch]) - hdr.version = f32(1) - hdr.shofs = fofs(ffi.offsetof(o, "sect")) - hdr.ehsize = f16(ffi.sizeof(hdr)) - hdr.shentsize = f16(ffi.sizeof(o.sect[0])) - hdr.shnum = f16(6) - hdr.shstridx = f16(2) - - -- Fill in sections and symbols. - local sofs, ofs = ffi.offsetof(o, "space"), 1 - for i,name in ipairs{ - ".symtab", ".shstrtab", ".strtab", ".rodata", ".note.GNU-stack", - } do - local sect = o.sect[i] - sect.align = fofs(1) - sect.name = f32(ofs) - ffi.copy(o.space+ofs, name) - ofs = ofs + #name+1 - end - o.sect[1].type = f32(2) -- .symtab - o.sect[1].link = f32(3) - o.sect[1].info = f32(1) - o.sect[1].align = fofs(8) - o.sect[1].ofs = fofs(ffi.offsetof(o, "sym")) - o.sect[1].entsize = fofs(ffi.sizeof(o.sym[0])) - o.sect[1].size = fofs(ffi.sizeof(o.sym)) - o.sym[1].name = f32(1) - o.sym[1].sectidx = f16(4) - o.sym[1].size = fofs(#s) - o.sym[1].info = 17 - o.sect[2].type = f32(3) -- .shstrtab - o.sect[2].ofs = fofs(sofs) - o.sect[2].size = fofs(ofs) - o.sect[3].type = f32(3) -- .strtab - o.sect[3].ofs = fofs(sofs + ofs) - o.sect[3].size = fofs(#symname+1) - ffi.copy(o.space+ofs+1, symname) - ofs = ofs + #symname + 2 - o.sect[4].type = f32(1) -- .rodata - o.sect[4].flags = fofs(2) - o.sect[4].ofs = fofs(sofs + ofs) - o.sect[4].size = fofs(#s) - o.sect[5].type = f32(1) -- .note.GNU-stack - o.sect[5].ofs = fofs(sofs + ofs + #s) - - -- Write ELF object file. - local fp = savefile(output, "wb") - fp:write(ffi.string(o, ffi.sizeof(o)-4096+ofs)) - bcsave_tail(fp, output, s) -end - -local function bcsave_peobj(ctx, output, s, ffi) - ffi.cdef[[ -typedef struct { - uint16_t arch, nsects; - uint32_t time, symtabofs, nsyms; - uint16_t opthdrsz, flags; -} PEheader; -typedef struct { - char name[8]; - uint32_t vsize, vaddr, size, ofs, relocofs, lineofs; - uint16_t nreloc, nline; - uint32_t flags; -} PEsection; -typedef struct __attribute((packed)) { - union { - char name[8]; - uint32_t nameref[2]; - }; - uint32_t value; - int16_t sect; - uint16_t type; - uint8_t scl, naux; -} PEsym; -typedef struct __attribute((packed)) { - uint32_t size; - uint16_t nreloc, nline; - uint32_t cksum; - uint16_t assoc; - uint8_t comdatsel, unused[3]; -} PEsymaux; -typedef struct { - PEheader hdr; - PEsection sect[2]; - // Must be an even number of symbol structs. - PEsym sym0; - PEsymaux sym0aux; - PEsym sym1; - PEsymaux sym1aux; - PEsym sym2; - PEsym sym3; - uint32_t strtabsize; - uint8_t space[4096]; -} PEobj; -]] - local symname = LJBC_PREFIX..ctx.modname - local is64 = false - if ctx.arch == "x86" then - symname = "_"..symname - elseif ctx.arch == "x64" then - is64 = true - end - local symexport = " /EXPORT:"..symname..",DATA " - - -- The file format is always little-endian. Swap if the host is big-endian. - local function f32(x) return x end - local f16 = f32 - if ffi.abi("be") then - f32 = bit.bswap - function f16(x) return bit.rshift(bit.bswap(x), 16) end - end - - -- Create PE object and fill in header. - local o = ffi.new("PEobj") - local hdr = o.hdr - hdr.arch = f16(({ x86=0x14c, x64=0x8664, arm=0x1c0, ppc=0x1f2 })[ctx.arch]) - hdr.nsects = f16(2) - hdr.symtabofs = f32(ffi.offsetof(o, "sym0")) - hdr.nsyms = f32(6) - - -- Fill in sections and symbols. - o.sect[0].name = ".drectve" - o.sect[0].size = f32(#symexport) - o.sect[0].flags = f32(0x00100a00) - o.sym0.sect = f16(1) - o.sym0.scl = 3 - o.sym0.name = ".drectve" - o.sym0.naux = 1 - o.sym0aux.size = f32(#symexport) - o.sect[1].name = ".rdata" - o.sect[1].size = f32(#s) - o.sect[1].flags = f32(0x40300040) - o.sym1.sect = f16(2) - o.sym1.scl = 3 - o.sym1.name = ".rdata" - o.sym1.naux = 1 - o.sym1aux.size = f32(#s) - o.sym2.sect = f16(2) - o.sym2.scl = 2 - o.sym2.nameref[1] = f32(4) - o.sym3.sect = f16(-1) - o.sym3.scl = 2 - o.sym3.value = f32(1) - o.sym3.name = "@feat.00" -- Mark as SafeSEH compliant. - ffi.copy(o.space, symname) - local ofs = #symname + 1 - o.strtabsize = f32(ofs + 4) - o.sect[0].ofs = f32(ffi.offsetof(o, "space") + ofs) - ffi.copy(o.space + ofs, symexport) - ofs = ofs + #symexport - o.sect[1].ofs = f32(ffi.offsetof(o, "space") + ofs) - - -- Write PE object file. - local fp = savefile(output, "wb") - fp:write(ffi.string(o, ffi.sizeof(o)-4096+ofs)) - bcsave_tail(fp, output, s) -end - -local function bcsave_machobj(ctx, output, s, ffi) - check(false, "NYI: no support for writing OSX object files") -end - -local function bcsave_obj(ctx, output, s) - local ok, ffi = pcall(require, "ffi") - check(ok, "FFI library required to write this file type") - if ctx.os == "windows" then - return bcsave_peobj(ctx, output, s, ffi) - elseif ctx.os == "osx" then - return bcsave_machobj(ctx, output, s, ffi) - else - return bcsave_elfobj(ctx, output, s, ffi) - end -end - ------------------------------------------------------------------------------- - -local function bclist(input, output) - local f = readfile(input) - require("jit.bc").dump(f, savefile(output, "w"), true) -end - -local function bcsave(ctx, input, output) - local f = readfile(input) - local s = string.dump(f, ctx.strip) - local t = ctx.type - if not t then - t = detecttype(output) - ctx.type = t - end - if t == "raw" then - bcsave_raw(output, s) - else - if not ctx.modname then ctx.modname = detectmodname(input) end - if t == "obj" then - bcsave_obj(ctx, output, s) - else - bcsave_c(ctx, output, s) - end - end -end - -local function docmd(...) - local arg = {...} - local n = 1 - local list = false - local ctx = { - strip = true, arch = jit.arch, os = string.lower(jit.os), - type = false, modname = false, - } - while n <= #arg do - local a = arg[n] - if type(a) == "string" and string.sub(a, 1, 1) == "-" and a ~= "-" then - table.remove(arg, n) - if a == "--" then break end - for m=2,#a do - local opt = string.sub(a, m, m) - if opt == "l" then - list = true - elseif opt == "s" then - ctx.strip = true - elseif opt == "g" then - ctx.strip = false - else - if arg[n] == nil or m ~= #a then usage() end - if opt == "e" then - if n ~= 1 then usage() end - arg[1] = check(loadstring(arg[1])) - elseif opt == "n" then - ctx.modname = checkmodname(table.remove(arg, n)) - elseif opt == "t" then - ctx.type = checkarg(table.remove(arg, n), map_type, "file type") - elseif opt == "a" then - ctx.arch = checkarg(table.remove(arg, n), map_arch, "architecture") - elseif opt == "o" then - ctx.os = checkarg(table.remove(arg, n), map_os, "OS name") - else - usage() - end - end - end - else - n = n + 1 - end - end - if list then - if #arg == 0 or #arg > 2 then usage() end - bclist(arg[1], arg[2] or "-") - else - if #arg ~= 2 then usage() end - bcsave(ctx, arg[1], arg[2]) - end -end - ------------------------------------------------------------------------------- - --- Public module functions. -module(...) - -start = docmd -- Process -b command line option. - diff --git a/libraries/luajit-2.0/lib/dis_arm.lua b/libraries/luajit-2.0/lib/dis_arm.lua deleted file mode 100644 index c2d1408..0000000 --- a/libraries/luajit-2.0/lib/dis_arm.lua +++ /dev/null @@ -1,543 +0,0 @@ ----------------------------------------------------------------------------- --- LuaJIT ARM disassembler module. --- --- Copyright (C) 2005-2010 Mike Pall. All rights reserved. --- Released under the MIT license. See Copyright Notice in luajit.h ----------------------------------------------------------------------------- --- This is a helper module used by the LuaJIT machine code dumper module. --- --- It disassembles most user-mode ARMv7 instructions --- NYI: Advanced SIMD and VFP instructions. ------------------------------------------------------------------------------- - -local type = type -local sub, byte, format = string.sub, string.byte, string.format -local match, gmatch, gsub = string.match, string.gmatch, string.gsub -local concat = table.concat -local bit = require("bit") -local band, bor, ror, tohex = bit.band, bit.bor, bit.ror, bit.tohex -local lshift, rshift, arshift = bit.lshift, bit.rshift, bit.arshift - ------------------------------------------------------------------------------- --- Opcode maps ------------------------------------------------------------------------------- - -local map_loadc = { - shift = 9, mask = 7, - [5] = { - shift = 0, mask = 0 -- NYI VFP load/store. - }, - _ = { - shift = 0, mask = 0 -- NYI ldc, mcrr, mrrc. - }, -} - -local map_datac = { - shift = 24, mask = 1, - [0] = { - shift = 9, mask = 7, - [5] = { - shift = 0, mask = 0 -- NYI VFP data. - }, - _ = { - shift = 0, mask = 0 -- NYI cdp, mcr, mrc. - }, - }, - "svcT", -} - -local map_loadcu = { - shift = 0, mask = 0, -- NYI unconditional CP load/store. -} - -local map_datacu = { - shift = 0, mask = 0, -- NYI unconditional CP data. -} - -local map_simddata = { - shift = 0, mask = 0, -- NYI SIMD data. -} - -local map_simdload = { - shift = 0, mask = 0, -- NYI SIMD load/store, preload. -} - -local map_preload = { - shift = 0, mask = 0, -- NYI preload. -} - -local map_media = { - shift = 20, mask = 31, - [0] = false, - { --01 - shift = 5, mask = 7, - [0] = "sadd16DNM", "sasxDNM", "ssaxDNM", "ssub16DNM", - "sadd8DNM", false, false, "ssub8DNM", - }, - { --02 - shift = 5, mask = 7, - [0] = "qadd16DNM", "qasxDNM", "qsaxDNM", "qsub16DNM", - "qadd8DNM", false, false, "qsub8DNM", - }, - { --03 - shift = 5, mask = 7, - [0] = "shadd16DNM", "shasxDNM", "shsaxDNM", "shsub16DNM", - "shadd8DNM", false, false, "shsub8DNM", - }, - false, - { --05 - shift = 5, mask = 7, - [0] = "uadd16DNM", "uasxDNM", "usaxDNM", "usub16DNM", - "uadd8DNM", false, false, "usub8DNM", - }, - { --06 - shift = 5, mask = 7, - [0] = "uqadd16DNM", "uqasxDNM", "uqsaxDNM", "uqsub16DNM", - "uqadd8DNM", false, false, "uqsub8DNM", - }, - { --07 - shift = 5, mask = 7, - [0] = "uhadd16DNM", "uhasxDNM", "uhsaxDNM", "uhsub16DNM", - "uhadd8DNM", false, false, "uhsub8DNM", - }, - { --08 - shift = 5, mask = 7, - [0] = "pkhbtDNMU", false, "pkhtbDNMU", - { shift = 16, mask = 15, [15] = "sxtb16DMU", _ = "sxtab16DNMU", }, - "pkhbtDNMU", "selDNM", "pkhtbDNMU", - }, - false, - { --0a - shift = 5, mask = 7, - [0] = "ssatDxMu", "ssat16DxM", "ssatDxMu", - { shift = 16, mask = 15, [15] = "sxtbDMU", _ = "sxtabDNMU", }, - "ssatDxMu", false, "ssatDxMu", - }, - { --0b - shift = 5, mask = 7, - [0] = "ssatDxMu", "revDM", "ssatDxMu", - { shift = 16, mask = 15, [15] = "sxthDMU", _ = "sxtahDNMU", }, - "ssatDxMu", "rev16DM", "ssatDxMu", - }, - { --0c - shift = 5, mask = 7, - [3] = { shift = 16, mask = 15, [15] = "uxtb16DMU", _ = "uxtab16DNMU", }, - }, - false, - { --0e - shift = 5, mask = 7, - [0] = "usatDwMu", "usat16DwM", "usatDwMu", - { shift = 16, mask = 15, [15] = "uxtbDMU", _ = "uxtabDNMU", }, - "usatDwMu", false, "usatDwMu", - }, - { --0f - shift = 5, mask = 7, - [0] = "usatDwMu", "rbitDM", "usatDwMu", - { shift = 16, mask = 15, [15] = "uxthDMU", _ = "uxtahDNMU", }, - "usatDwMu", "revshDM", "usatDwMu", - }, - { --10 - shift = 12, mask = 15, - [15] = { - shift = 5, mask = 7, - "smuadNMS", "smuadxNMS", "smusdNMS", "smusdxNMS", - }, - _ = { - shift = 5, mask = 7, - [0] = "smladNMSD", "smladxNMSD", "smlsdNMSD", "smlsdxNMSD", - }, - }, - false, false, false, - { --14 - shift = 5, mask = 7, - [0] = "smlaldDNMS", "smlaldxDNMS", "smlsldDNMS", "smlsldxDNMS", - }, - { --15 - shift = 5, mask = 7, - [0] = { shift = 12, mask = 15, [15] = "smmulNMS", _ = "smmlaNMSD", }, - { shift = 12, mask = 15, [15] = "smmulrNMS", _ = "smmlarNMSD", }, - false, false, false, false, - "smmlsNMSD", "smmlsrNMSD", - }, - false, false, - { --18 - shift = 5, mask = 7, - [0] = { shift = 12, mask = 15, [15] = "usad8NMS", _ = "usada8NMSD", }, - }, - false, - { --1a - shift = 5, mask = 3, [2] = "sbfxDMvw", - }, - { --1b - shift = 5, mask = 3, [2] = "sbfxDMvw", - }, - { --1c - shift = 5, mask = 3, - [0] = { shift = 0, mask = 15, [15] = "bfcDvX", _ = "bfiDMvX", }, - }, - { --1d - shift = 5, mask = 3, - [0] = { shift = 0, mask = 15, [15] = "bfcDvX", _ = "bfiDMvX", }, - }, - { --1e - shift = 5, mask = 3, [2] = "ubfxDMvw", - }, - { --1f - shift = 5, mask = 3, [2] = "ubfxDMvw", - }, -} - -local map_load = { - shift = 21, mask = 9, - { - shift = 20, mask = 5, - [0] = "strtDL", "ldrtDL", [4] = "strbtDL", [5] = "ldrbtDL", - }, - _ = { - shift = 20, mask = 5, - [0] = "strDL", "ldrDL", [4] = "strbDL", [5] = "ldrbDL", - } -} - -local map_load1 = { - shift = 4, mask = 1, - [0] = map_load, map_media, -} - -local map_loadm = { - shift = 20, mask = 1, - [0] = { - shift = 23, mask = 3, - [0] = "stmdaNR", "stmNR", - { shift = 16, mask = 63, [45] = "pushR", _ = "stmdbNR", }, "stmibNR", - }, - { - shift = 23, mask = 3, - [0] = "ldmdaNR", { shift = 16, mask = 63, [61] = "popR", _ = "ldmNR", }, - "ldmdbNR", "ldmibNR", - }, -} - -local map_data = { - shift = 21, mask = 15, - [0] = "andDNPs", "eorDNPs", "subDNPs", "rsbDNPs", - "addDNPs", "adcDNPs", "sbcDNPs", "rscDNPs", - "tstNP", "teqNP", "cmpNP", "cmnNP", - "orrDNPs", "movDPs", "bicDNPs", "mvnDPs", -} - -local map_mul = { - shift = 21, mask = 7, - [0] = "mulNMSs", "mlaNMSDs", "umaalDNMS", "mlsDNMS", - "umullDNMSs", "umlalDNMSs", "smullDNMSs", "smlalDNMSs", -} - -local map_sync = { - shift = 20, mask = 15, -- NYI: brackets around N. R(D+1) for ldrexd/strexd. - [0] = "swpDMN", false, false, false, - "swpbDMN", false, false, false, - "strexDMN", "ldrexDN", "strexdDN", "ldrexdDN", - "strexbDMN", "ldrexbDN", "strexhDN", "ldrexhDN", -} - -local map_mulh = { - shift = 21, mask = 3, - [0] = { shift = 5, mask = 3, - [0] = "smlabbNMSD", "smlatbNMSD", "smlabtNMSD", "smlattNMSD", }, - { shift = 5, mask = 3, - [0] = "smlawbNMSD", "smulwbNMS", "smlawtNMSD", "smulwtNMS", }, - { shift = 5, mask = 3, - [0] = "smlalbbDNMS", "smlaltbDNMS", "smlalbtDNMS", "smlalttDNMS", }, - { shift = 5, mask = 3, - [0] = "smulbbNMS", "smultbNMS", "smulbtNMS", "smulttNMS", }, -} - -local map_misc = { - shift = 4, mask = 7, - -- NYI: decode PSR bits of msr. - [0] = { shift = 21, mask = 1, [0] = "mrsD", "msrM", }, - { shift = 21, mask = 3, "bxM", false, "clzDM", }, - { shift = 21, mask = 3, "bxjM", }, - { shift = 21, mask = 3, "blxM", }, - false, - { shift = 21, mask = 3, [0] = "qaddDMN", "qsubDMN", "qdaddDMN", "qdsubDMN", }, - false, - { shift = 21, mask = 3, "bkptK", }, -} - -local map_datar = { - shift = 4, mask = 9, - [9] = { - shift = 5, mask = 3, - [0] = { shift = 24, mask = 1, [0] = map_mul, map_sync, }, - { shift = 20, mask = 1, [0] = "strhDL", "ldrhDL", }, - { shift = 20, mask = 1, [0] = "ldrdDL", "ldrsbDL", }, - { shift = 20, mask = 1, [0] = "strdDL", "ldrshDL", }, - }, - _ = { - shift = 20, mask = 25, - [16] = { shift = 7, mask = 1, [0] = map_misc, map_mulh, }, - _ = { - shift = 0, mask = 0xffffffff, - [bor(0xe1a00000)] = "nop", - _ = map_data, - } - }, -} - -local map_datai = { - shift = 20, mask = 31, -- NYI: decode PSR bits of msr. Decode imm12. - [16] = "movwDW", [20] = "movtDW", - [18] = { shift = 0, mask = 0xf00ff, [0] = "nopv6", _ = "msrNW", }, - [22] = "msrNW", - _ = map_data, -} - -local map_branch = { - shift = 24, mask = 1, - [0] = "bB", "blB" -} - -local map_condins = { - [0] = map_datar, map_datai, map_load, map_load1, - map_loadm, map_branch, map_loadc, map_datac -} - --- NYI: setend. -local map_uncondins = { - [0] = false, map_simddata, map_simdload, map_preload, - false, "blxB", map_loadcu, map_datacu, -} - ------------------------------------------------------------------------------- - -local map_gpr = { - [0] = "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", - "r8", "r9", "r10", "r11", "r12", "sp", "lr", "pc", -} - -local map_cond = { - [0] = "eq", "ne", "hs", "lo", "mi", "pl", "vs", "vc", - "hi", "ls", "ge", "lt", "gt", "le", "al", -} - -local map_shift = { [0] = "lsl", "lsr", "asr", "ror", } - ------------------------------------------------------------------------------- - --- Output a nicely formatted line with an opcode and operands. -local function putop(ctx, text, operands) - local pos = ctx.pos - local extra = "" - if ctx.rel then - local sym = ctx.symtab[ctx.rel] - if sym then - extra = "\t->"..sym - elseif band(ctx.op, 0x0e000000) ~= 0x0a000000 then - extra = "\t; 0x"..tohex(ctx.rel) - end - end - if ctx.hexdump > 0 then - ctx.out(format("%08x %s %-5s %s%s\n", - ctx.addr+pos, tohex(ctx.op), text, concat(operands, ", "), extra)) - else - ctx.out(format("%08x %-5s %s%s\n", - ctx.addr+pos, text, concat(operands, ", "), extra)) - end - ctx.pos = pos + 4 -end - --- Fallback for unknown opcodes. -local function unknown(ctx) - return putop(ctx, ".long", { "0x"..tohex(ctx.op) }) -end - --- Format operand 2 of load/store opcodes. -local function fmtload(ctx, op, pos) - local base = map_gpr[band(rshift(op, 16), 15)] - local x, ofs - local ext = (band(op, 0x04000000) == 0) - if not ext and band(op, 0x02000000) == 0 then - ofs = band(op, 4095) - if band(op, 0x00800000) == 0 then ofs = -ofs end - if base == "pc" then ctx.rel = ctx.addr + pos + 8 + ofs end - ofs = "#"..ofs - elseif ext and band(op, 0x00400000) ~= 0 then - ofs = band(op, 15) + band(rshift(op, 4), 0xf0) - if band(op, 0x00800000) == 0 then ofs = -ofs end - if base == "pc" then ctx.rel = ctx.addr + pos + 8 + ofs end - ofs = "#"..ofs - else - ofs = map_gpr[band(op, 15)] - if ext or band(op, 0xfe0) == 0 then - elseif band(op, 0xfe0) == 0x60 then - ofs = format("%s, rrx", ofs) - else - local sh = band(rshift(op, 7), 31) - if sh == 0 then sh = 32 end - ofs = format("%s, %s #%d", ofs, map_shift[band(rshift(op, 5), 3)], sh) - end - if band(op, 0x00800000) == 0 then ofs = "-"..ofs end - end - if ofs == "#0" then - x = format("[%s]", base) - elseif band(op, 0x01000000) == 0 then - x = format("[%s], %s", base, ofs) - else - x = format("[%s, %s]", base, ofs) - end - if band(op, 0x01200000) == 0x01200000 then x = x.."!" end - return x -end - --- Disassemble a single instruction. -local function disass_ins(ctx) - local pos = ctx.pos - local b0, b1, b2, b3 = byte(ctx.code, pos+1, pos+4) - local op = bor(lshift(b3, 24), lshift(b2, 16), lshift(b1, 8), b0) - local operands = {} - local suffix = "" - local last, name, pat - ctx.op = op - ctx.rel = nil - - local cond = rshift(op, 28) - local opat - if cond == 15 then - opat = map_uncondins[band(rshift(op, 25), 7)] - else - if cond ~= 14 then suffix = map_cond[cond] end - opat = map_condins[band(rshift(op, 25), 7)] - end - while type(opat) ~= "string" do - if not opat then return unknown(ctx) end - opat = opat[band(rshift(op, opat.shift), opat.mask)] or opat._ - end - name, pat = match(opat, "^([a-z0-9]*)(.*)") - - for p in gmatch(pat, ".") do - local x = nil - if p == "D" then - x = map_gpr[band(rshift(op, 12), 15)] - elseif p == "N" then - x = map_gpr[band(rshift(op, 16), 15)] - elseif p == "S" then - x = map_gpr[band(rshift(op, 8), 15)] - elseif p == "M" then - x = map_gpr[band(op, 15)] - elseif p == "P" then - if band(op, 0x02000000) ~= 0 then - x = ror(band(op, 255), 2*band(rshift(op, 8), 15)) - else - x = map_gpr[band(op, 15)] - if band(op, 0xff0) ~= 0 then - operands[#operands+1] = x - local s = map_shift[band(rshift(op, 5), 3)] - local r = nil - if band(op, 0xf90) == 0 then - if s == "ror" then s = "rrx" else r = "#32" end - elseif band(op, 0x10) == 0 then - r = "#"..band(rshift(op, 7), 31) - else - r = map_gpr[band(rshift(op, 8), 15)] - end - if name == "mov" then name = s; x = r - elseif r then x = format("%s %s", s, r) - else x = s end - end - end - elseif p == "L" then - x = fmtload(ctx, op, pos, false) - elseif p == "B" then - local addr = ctx.addr + pos + 8 + arshift(lshift(op, 8), 6) - if cond == 15 then addr = addr + band(rshift(op, 23), 2) end - ctx.rel = addr - x = "0x"..tohex(addr) - elseif p == "R" then - if band(op, 0x00200000) ~= 0 and #operands == 1 then - operands[1] = operands[1].."!" - end - local t = {} - for i=0,15 do - if band(rshift(op, i), 1) == 1 then t[#t+1] = map_gpr[i] end - end - x = "{"..concat(t, ", ").."}" - elseif p == "W" then - x = band(op, 0x0fff) + band(rshift(op, 4), 0xf000) - elseif p == "T" then - x = "#0x"..tohex(band(op, 0x00ffffff), 6) - elseif p == "U" then - x = band(rshift(op, 7), 31) - if x == 0 then x = nil end - elseif p == "u" then - x = band(rshift(op, 7), 31) - if band(op, 0x40) == 0 then - if x == 0 then x = nil else x = "lsl #"..x end - else - if x == 0 then x = "asr #32" else x = "asr #"..x end - end - elseif p == "v" then - x = band(rshift(op, 7), 31) - elseif p == "w" then - x = band(rshift(op, 16), 31) - elseif p == "x" then - x = band(rshift(op, 16), 31) + 1 - elseif p == "X" then - x = band(rshift(op, 16), 31) - last + 1 - elseif p == "K" then - x = "#0x"..tohex(band(rshift(op, 4), 0x0000fff0) + band(op, 15), 4) - elseif p == "s" then - if band(op, 0x00100000) ~= 0 then suffix = "s"..suffix end - else - assert(false) - end - if x then - last = x - if type(x) == "number" then x = "#"..x end - operands[#operands+1] = x - end - end - - return putop(ctx, name..suffix, operands) -end - ------------------------------------------------------------------------------- - --- Disassemble a block of code. -local function disass_block(ctx, ofs, len) - if not ofs then ofs = 0 end - local stop = len and ofs+len or #ctx.code - ctx.pos = ofs - ctx.rel = nil - while ctx.pos < stop do disass_ins(ctx) end -end - --- Extended API: create a disassembler context. Then call ctx:disass(ofs, len). -local function create_(code, addr, out) - local ctx = {} - ctx.code = code - ctx.addr = addr or 0 - ctx.out = out or io.write - ctx.symtab = {} - ctx.disass = disass_block - ctx.hexdump = 8 - return ctx -end - --- Simple API: disassemble code (a string) at address and output via out. -local function disass_(code, addr, out) - create_(code, addr, out):disass() -end - --- Return register name for RID. -local function regname_(r) - return map_gpr[r] -end - --- Public module functions. -module(...) - -create = create_ -disass = disass_ -regname = regname_ - diff --git a/libraries/luajit-2.0/lib/dis_ppc.lua b/libraries/luajit-2.0/lib/dis_ppc.lua deleted file mode 100644 index 79b306d..0000000 --- a/libraries/luajit-2.0/lib/dis_ppc.lua +++ /dev/null @@ -1,591 +0,0 @@ ----------------------------------------------------------------------------- --- LuaJIT PPC disassembler module. --- --- Copyright (C) 2005-2010 Mike Pall. All rights reserved. --- Released under the MIT/X license. See Copyright Notice in luajit.h ----------------------------------------------------------------------------- --- This is a helper module used by the LuaJIT machine code dumper module. --- --- It disassembles all common, non-privileged 32/64 bit PowerPC instructions --- plus the e500 SPE instructions and some Cell/Xenon extensions. --- --- NYI: VMX, VMX128 ------------------------------------------------------------------------------- - -local type = type -local sub, byte, format = string.sub, string.byte, string.format -local match, gmatch, gsub = string.match, string.gmatch, string.gsub -local concat = table.concat -local bit = require("bit") -local band, bor, tohex = bit.band, bit.bor, bit.tohex -local lshift, rshift, arshift = bit.lshift, bit.rshift, bit.arshift - ------------------------------------------------------------------------------- --- Primary and extended opcode maps ------------------------------------------------------------------------------- - -local map_crops = { - shift = 1, mask = 1023, - [0] = "mcrfXX", - [33] = "crnor|crnotCCC=", [129] = "crandcCCC", - [193] = "crxor|crclrCCC%", [225] = "crnandCCC", - [257] = "crandCCC", [289] = "creqv|crsetCCC%", - [417] = "crorcCCC", [449] = "cror|crmoveCCC=", - [16] = "b_lrKB", [528] = "b_ctrKB", - [150] = "isync", -} - -local map_rlwinm = setmetatable({ - shift = 0, mask = -1, -}, -{ __index = function(t, x) - local rot = band(rshift(x, 11), 31) - local mb = band(rshift(x, 6), 31) - local me = band(rshift(x, 1), 31) - if mb == 0 and me == 31-rot then - return "slwiRR~A." - elseif me == 31 and mb == 32-rot then - return "srwiRR~-A." - else - return "rlwinmRR~AAA." - end - end -}) - -local map_rld = { - shift = 2, mask = 7, - [0] = "rldiclRR~HM.", "rldicrRR~HM.", "rldicRR~HM.", "rldimiRR~HM.", - { - shift = 1, mask = 1, - [0] = "rldclRR~HM.", "rldcrRR~HM.", - }, -} - -local map_ext = setmetatable({ - shift = 1, mask = 1023, - - [0] = "cmp_YLRR", [32] = "cmpl_YLRR", - [4] = "twARR", [68] = "tdARR", - - [8] = "subfcRRR.", [40] = "subfRRR.", - [104] = "negRR.", [136] = "subfeRRR.", - [200] = "subfzeRR.", [232] = "subfmeRR.", - [520] = "subfcoRRR.", [552] = "subfoRRR.", - [616] = "negoRR.", [648] = "subfeoRRR.", - [712] = "subfzeoRR.", [744] = "subfmeoRR.", - - [9] = "mulhduRRR.", [73] = "mulhdRRR.", [233] = "mulldRRR.", - [457] = "divduRRR.", [489] = "divdRRR.", - [745] = "mulldoRRR.", - [969] = "divduoRRR.", [1001] = "divdoRRR.", - - [10] = "addcRRR.", [138] = "addeRRR.", - [202] = "addzeRR.", [234] = "addmeRR.", [266] = "addRRR.", - [522] = "addcoRRR.", [650] = "addeoRRR.", - [714] = "addzeoRR.", [746] = "addmeoRR.", [778] = "addoRRR.", - - [11] = "mulhwuRRR.", [75] = "mulhwRRR.", [235] = "mullwRRR.", - [459] = "divwuRRR.", [491] = "divwRRR.", - [747] = "mullwoRRR.", - [971] = "divwouRRR.", [1003] = "divwoRRR.", - - [15] = "iselltRRR", [47] = "iselgtRRR", [79] = "iseleqRRR", - - [144] = { shift = 20, mask = 1, [0] = "mtcrfRZ~", "mtocrfRZ~", }, - [19] = { shift = 20, mask = 1, [0] = "mfcrR", "mfocrfRZ", }, - [371] = { shift = 11, mask = 1023, [392] = "mftbR", [424] = "mftbuR", }, - [339] = { - shift = 11, mask = 1023, - [32] = "mferR", [256] = "mflrR", [288] = "mfctrR", [16] = "mfspefscrR", - }, - [467] = { - shift = 11, mask = 1023, - [32] = "mtxerR", [256] = "mtlrR", [288] = "mtctrR", [16] = "mtspefscrR", - }, - - [20] = "lwarxRR0R", [84] = "ldarxRR0R", - - [21] = "ldxRR0R", [53] = "lduxRRR", - [149] = "stdxRR0R", [181] = "stduxRRR", - [341] = "lwaxRR0R", [373] = "lwauxRRR", - - [23] = "lwzxRR0R", [55] = "lwzuxRRR", - [87] = "lbzxRR0R", [119] = "lbzuxRRR", - [151] = "stwxRR0R", [183] = "stwuxRRR", - [215] = "stbxRR0R", [247] = "stbuxRRR", - [279] = "lhzxRR0R", [311] = "lhzuxRRR", - [343] = "lhaxRR0R", [375] = "lhauxRRR", - [407] = "sthxRR0R", [439] = "sthuxRRR", - - [54] = "dcbst-R0R", [86] = "dcbf-R0R", - [150] = "stwcxRR0R.", [214] = "stdcxRR0R.", - [246] = "dcbtst-R0R", [278] = "dcbt-R0R", - [310] = "eciwxRR0R", [438] = "ecowxRR0R", - [470] = "dcbi-RR", - - [598] = { - shift = 21, mask = 3, - [0] = "sync", "lwsync", "ptesync", - }, - [758] = "dcba-RR", - [854] = "eieio", [982] = "icbi-R0R", [1014] = "dcbz-R0R", - - [26] = "cntlzwRR~", [58] = "cntlzdRR~", - [122] = "popcntbRR~", - [154] = "prtywRR~", [186] = "prtydRR~", - - [28] = "andRR~R.", [60] = "andcRR~R.", [124] = "nor|notRR~R=.", - [284] = "eqvRR~R.", [316] = "xorRR~R.", - [412] = "orcRR~R.", [444] = "or|mrRR~R=.", [476] = "nandRR~R.", - [508] = "cmpbRR~R", - - [512] = "mcrxrX", - - [532] = "ldbrxRR0R", [660] = "stdbrxRR0R", - - [533] = "lswxRR0R", [597] = "lswiRR0A", - [661] = "stswxRR0R", [725] = "stswiRR0A", - - [534] = "lwbrxRR0R", [662] = "stwbrxRR0R", - [790] = "lhbrxRR0R", [918] = "sthbrxRR0R", - - [535] = "lfsxFR0R", [567] = "lfsuxFRR", - [599] = "lfdxFR0R", [631] = "lfduxFRR", - [663] = "stfsxFR0R", [695] = "stfsuxFRR", - [727] = "stfdxFR0R", [759] = "stfduxFR0R", - [855] = "lfiwaxFR0R", - [983] = "stfiwxFR0R", - - [24] = "slwRR~R.", - - [27] = "sldRR~R.", [536] = "srwRR~R.", - [792] = "srawRR~R.", [824] = "srawiRR~A.", - - [794] = "sradRR~R.", [826] = "sradiRR~H.", [827] = "sradiRR~H.", - [922] = "extshRR~.", [954] = "extsbRR~.", [986] = "extswRR~.", - - [539] = "srdRR~R.", -}, -{ __index = function(t, x) - if band(x, 31) == 15 then return "iselRRRC" end - end -}) - -local map_ld = { - shift = 0, mask = 3, - [0] = "ldRRE", "lduRRE", "lwaRRE", -} - -local map_std = { - shift = 0, mask = 3, - [0] = "stdRRE", "stduRRE", -} - -local map_fps = { - shift = 5, mask = 1, - { - shift = 1, mask = 15, - [0] = false, false, "fdivsFFF.", false, - "fsubsFFF.", "faddsFFF.", "fsqrtsF-F.", false, - "fresF-F.", "fmulsFF-F.", "frsqrtesF-F.", false, - "fmsubsFFFF~.", "fmaddsFFFF~.", "fnmsubsFFFF~.", "fnmaddsFFFF~.", - } -} - -local map_fpd = { - shift = 5, mask = 1, - [0] = { - shift = 1, mask = 1023, - [0] = "fcmpuXFF", [32] = "fcmpoXFF", [64] = "mcrfsXX", - [38] = "mtfsb1A.", [70] = "mtfsb0A.", [134] = "mtfsfiA>>-A>", - [8] = "fcpsgnFFF.", [40] = "fnegF-F.", [72] = "fmrF-F.", - [136] = "fnabsF-F.", [264] = "fabsF-F.", - [12] = "frspF-F.", - [14] = "fctiwF-F.", [15] = "fctiwzF-F.", - [583] = "mffsF.", [711] = "mtfsfZF.", - [392] = "frinF-F.", [424] = "frizF-F.", - [456] = "fripF-F.", [488] = "frimF-F.", - [814] = "fctidF-F.", [815] = "fctidzF-F.", [846] = "fcfidF-F.", - }, - { - shift = 1, mask = 15, - [0] = false, false, "fdivFFF.", false, - "fsubFFF.", "faddFFF.", "fsqrtF-F.", "fselFFFF~.", - "freF-F.", "fmulFF-F.", "frsqrteF-F.", false, - "fmsubFFFF~.", "fmaddFFFF~.", "fnmsubFFFF~.", "fnmaddFFFF~.", - } -} - -local map_spe = { - shift = 0, mask = 2047, - - [512] = "evaddwRRR", [514] = "evaddiwRAR~", - [516] = "evsubwRRR~", [518] = "evsubiwRAR~", - [520] = "evabsRR", [521] = "evnegRR", - [522] = "evextsbRR", [523] = "evextshRR", [524] = "evrndwRR", - [525] = "evcntlzwRR", [526] = "evcntlswRR", - - [527] = "brincRRR", - - [529] = "evandRRR", [530] = "evandcRRR", [534] = "evxorRRR", - [535] = "evor|evmrRRR=", [536] = "evnor|evnotRRR=", - [537] = "eveqvRRR", [539] = "evorcRRR", [542] = "evnandRRR", - - [544] = "evsrwuRRR", [545] = "evsrwsRRR", - [546] = "evsrwiuRRA", [547] = "evsrwisRRA", - [548] = "evslwRRR", [550] = "evslwiRRA", - [552] = "evrlwRRR", [553] = "evsplatiRS", - [554] = "evrlwiRRA", [555] = "evsplatfiRS", - [556] = "evmergehiRRR", [557] = "evmergeloRRR", - [558] = "evmergehiloRRR", [559] = "evmergelohiRRR", - - [560] = "evcmpgtuYRR", [561] = "evcmpgtsYRR", - [562] = "evcmpltuYRR", [563] = "evcmpltsYRR", - [564] = "evcmpeqYRR", - - [632] = "evselRRR", [633] = "evselRRRW", - [634] = "evselRRRW", [635] = "evselRRRW", - [636] = "evselRRRW", [637] = "evselRRRW", - [638] = "evselRRRW", [639] = "evselRRRW", - - [640] = "evfsaddRRR", [641] = "evfssubRRR", - [644] = "evfsabsRR", [645] = "evfsnabsRR", [646] = "evfsnegRR", - [648] = "evfsmulRRR", [649] = "evfsdivRRR", - [652] = "evfscmpgtYRR", [653] = "evfscmpltYRR", [654] = "evfscmpeqYRR", - [656] = "evfscfuiR-R", [657] = "evfscfsiR-R", - [658] = "evfscfufR-R", [659] = "evfscfsfR-R", - [660] = "evfsctuiR-R", [661] = "evfsctsiR-R", - [662] = "evfsctufR-R", [663] = "evfsctsfR-R", - [664] = "evfsctuizR-R", [666] = "evfsctsizR-R", - [668] = "evfststgtYRR", [669] = "evfststltYRR", [670] = "evfststeqYRR", - - [704] = "efsaddRRR", [705] = "efssubRRR", - [708] = "efsabsRR", [709] = "efsnabsRR", [710] = "efsnegRR", - [712] = "efsmulRRR", [713] = "efsdivRRR", - [716] = "efscmpgtYRR", [717] = "efscmpltYRR", [718] = "efscmpeqYRR", - [719] = "efscfdR-R", - [720] = "efscfuiR-R", [721] = "efscfsiR-R", - [722] = "efscfufR-R", [723] = "efscfsfR-R", - [724] = "efsctuiR-R", [725] = "efsctsiR-R", - [726] = "efsctufR-R", [727] = "efsctsfR-R", - [728] = "efsctuizR-R", [730] = "efsctsizR-R", - [732] = "efststgtYRR", [733] = "efststltYRR", [734] = "efststeqYRR", - - [736] = "efdaddRRR", [737] = "efdsubRRR", - [738] = "efdcfuidR-R", [739] = "efdcfsidR-R", - [740] = "efdabsRR", [741] = "efdnabsRR", [742] = "efdnegRR", - [744] = "efdmulRRR", [745] = "efddivRRR", - [746] = "efdctuidzR-R", [747] = "efdctsidzR-R", - [748] = "efdcmpgtYRR", [749] = "efdcmpltYRR", [750] = "efdcmpeqYRR", - [751] = "efdcfsR-R", - [752] = "efdcfuiR-R", [753] = "efdcfsiR-R", - [754] = "efdcfufR-R", [755] = "efdcfsfR-R", - [756] = "efdctuiR-R", [757] = "efdctsiR-R", - [758] = "efdctufR-R", [759] = "efdctsfR-R", - [760] = "efdctuizR-R", [762] = "efdctsizR-R", - [764] = "efdtstgtYRR", [765] = "efdtstltYRR", [766] = "efdtsteqYRR", - - [768] = "evlddxRR0R", [769] = "evlddRR8", - [770] = "evldwxRR0R", [771] = "evldwRR8", - [772] = "evldhxRR0R", [773] = "evldhRR8", - [776] = "evlhhesplatxRR0R", [777] = "evlhhesplatRR2", - [780] = "evlhhousplatxRR0R", [781] = "evlhhousplatRR2", - [782] = "evlhhossplatxRR0R", [783] = "evlhhossplatRR2", - [784] = "evlwhexRR0R", [785] = "evlwheRR4", - [788] = "evlwhouxRR0R", [789] = "evlwhouRR4", - [790] = "evlwhosxRR0R", [791] = "evlwhosRR4", - [792] = "evlwwsplatxRR0R", [793] = "evlwwsplatRR4", - [796] = "evlwhsplatxRR0R", [797] = "evlwhsplatRR4", - - [800] = "evstddxRR0R", [801] = "evstddRR8", - [802] = "evstdwxRR0R", [803] = "evstdwRR8", - [804] = "evstdhxRR0R", [805] = "evstdhRR8", - [816] = "evstwhexRR0R", [817] = "evstwheRR4", - [820] = "evstwhoxRR0R", [821] = "evstwhoRR4", - [824] = "evstwwexRR0R", [825] = "evstwweRR4", - [828] = "evstwwoxRR0R", [829] = "evstwwoRR4", - - [1027] = "evmhessfRRR", [1031] = "evmhossfRRR", [1032] = "evmheumiRRR", - [1033] = "evmhesmiRRR", [1035] = "evmhesmfRRR", [1036] = "evmhoumiRRR", - [1037] = "evmhosmiRRR", [1039] = "evmhosmfRRR", [1059] = "evmhessfaRRR", - [1063] = "evmhossfaRRR", [1064] = "evmheumiaRRR", [1065] = "evmhesmiaRRR", - [1067] = "evmhesmfaRRR", [1068] = "evmhoumiaRRR", [1069] = "evmhosmiaRRR", - [1071] = "evmhosmfaRRR", [1095] = "evmwhssfRRR", [1096] = "evmwlumiRRR", - [1100] = "evmwhumiRRR", [1101] = "evmwhsmiRRR", [1103] = "evmwhsmfRRR", - [1107] = "evmwssfRRR", [1112] = "evmwumiRRR", [1113] = "evmwsmiRRR", - [1115] = "evmwsmfRRR", [1127] = "evmwhssfaRRR", [1128] = "evmwlumiaRRR", - [1132] = "evmwhumiaRRR", [1133] = "evmwhsmiaRRR", [1135] = "evmwhsmfaRRR", - [1139] = "evmwssfaRRR", [1144] = "evmwumiaRRR", [1145] = "evmwsmiaRRR", - [1147] = "evmwsmfaRRR", - - [1216] = "evaddusiaawRR", [1217] = "evaddssiaawRR", - [1218] = "evsubfusiaawRR", [1219] = "evsubfssiaawRR", - [1220] = "evmraRR", - [1222] = "evdivwsRRR", [1223] = "evdivwuRRR", - [1224] = "evaddumiaawRR", [1225] = "evaddsmiaawRR", - [1226] = "evsubfumiaawRR", [1227] = "evsubfsmiaawRR", - - [1280] = "evmheusiaawRRR", [1281] = "evmhessiaawRRR", - [1283] = "evmhessfaawRRR", [1284] = "evmhousiaawRRR", - [1285] = "evmhossiaawRRR", [1287] = "evmhossfaawRRR", - [1288] = "evmheumiaawRRR", [1289] = "evmhesmiaawRRR", - [1291] = "evmhesmfaawRRR", [1292] = "evmhoumiaawRRR", - [1293] = "evmhosmiaawRRR", [1295] = "evmhosmfaawRRR", - [1320] = "evmhegumiaaRRR", [1321] = "evmhegsmiaaRRR", - [1323] = "evmhegsmfaaRRR", [1324] = "evmhogumiaaRRR", - [1325] = "evmhogsmiaaRRR", [1327] = "evmhogsmfaaRRR", - [1344] = "evmwlusiaawRRR", [1345] = "evmwlssiaawRRR", - [1352] = "evmwlumiaawRRR", [1353] = "evmwlsmiaawRRR", - [1363] = "evmwssfaaRRR", [1368] = "evmwumiaaRRR", - [1369] = "evmwsmiaaRRR", [1371] = "evmwsmfaaRRR", - [1408] = "evmheusianwRRR", [1409] = "evmhessianwRRR", - [1411] = "evmhessfanwRRR", [1412] = "evmhousianwRRR", - [1413] = "evmhossianwRRR", [1415] = "evmhossfanwRRR", - [1416] = "evmheumianwRRR", [1417] = "evmhesmianwRRR", - [1419] = "evmhesmfanwRRR", [1420] = "evmhoumianwRRR", - [1421] = "evmhosmianwRRR", [1423] = "evmhosmfanwRRR", - [1448] = "evmhegumianRRR", [1449] = "evmhegsmianRRR", - [1451] = "evmhegsmfanRRR", [1452] = "evmhogumianRRR", - [1453] = "evmhogsmianRRR", [1455] = "evmhogsmfanRRR", - [1472] = "evmwlusianwRRR", [1473] = "evmwlssianwRRR", - [1480] = "evmwlumianwRRR", [1481] = "evmwlsmianwRRR", - [1491] = "evmwssfanRRR", [1496] = "evmwumianRRR", - [1497] = "evmwsmianRRR", [1499] = "evmwsmfanRRR", -} - -local map_pri = { - [0] = false, false, "tdiARI", "twiARI", - map_spe, false, false, "mulliRRI", - "subficRRI", false, "cmpl_iYLRU", "cmp_iYLRI", - "addicRRI", "addic.RRI", "addi|liRR0I", "addis|lisRR0I", - "b_KBJ", "sc", "bKJ", map_crops, - "rlwimiRR~AAA.", map_rlwinm, false, "rlwnmRR~RAA.", - "oriNRR~U", "orisRR~U", "xoriRR~U", "xorisRR~U", - "andi.RR~U", "andis.RR~U", map_rld, map_ext, - "lwzRRD", "lwzuRRD", "lbzRRD", "lbzuRRD", - "stwRRD", "stwuRRD", "stbRRD", "stbuRRD", - "lhzRRD", "lhzuRRD", "lhaRRD", "lhauRRD", - "sthRRD", "sthuRRD", "lmwRRD", "stmwRRD", - "lfsFRD", "lfsuFRD", "lfdFRD", "lfduFRD", - "stfsFRD", "stfsuFRD", "stfdFRD", "stfduFRD", - false, false, map_ld, map_fps, - false, false, map_std, map_fpd, -} - ------------------------------------------------------------------------------- - -local map_gpr = { - [0] = "r0", "sp", "r2", "r3", "r4", "r5", "r6", "r7", - "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", - "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", - "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", -} - -local map_cond = { [0] = "lt", "gt", "eq", "so", "ge", "le", "ne", "ns", } - --- Format a condition bit. -local function condfmt(cond) - if cond <= 3 then - return map_cond[band(cond, 3)] - else - return format("4*cr%d+%s", rshift(cond, 2), map_cond[band(cond, 3)]) - end -end - ------------------------------------------------------------------------------- - --- Output a nicely formatted line with an opcode and operands. -local function putop(ctx, text, operands) - local pos = ctx.pos - local extra = "" - if ctx.rel then - local sym = ctx.symtab[ctx.rel] - if sym then extra = "\t->"..sym end - end - if ctx.hexdump > 0 then - ctx.out(format("%08x %s %-7s %s%s\n", - ctx.addr+pos, tohex(ctx.op), text, concat(operands, ", "), extra)) - else - ctx.out(format("%08x %-7s %s%s\n", - ctx.addr+pos, text, concat(operands, ", "), extra)) - end - ctx.pos = pos + 4 -end - --- Fallback for unknown opcodes. -local function unknown(ctx) - return putop(ctx, ".long", { "0x"..tohex(ctx.op) }) -end - --- Disassemble a single instruction. -local function disass_ins(ctx) - local pos = ctx.pos - local b0, b1, b2, b3 = byte(ctx.code, pos+1, pos+4) - local op = bor(lshift(b0, 24), lshift(b1, 16), lshift(b2, 8), b3) - local operands = {} - local last = nil - local rs = 21 - ctx.op = op - ctx.rel = nil - - local opat = map_pri[rshift(b0, 2)] - while type(opat) ~= "string" do - if not opat then return unknown(ctx) end - opat = opat[band(rshift(op, opat.shift), opat.mask)] - end - local name, pat = match(opat, "^([a-z0-9_.]*)(.*)") - local altname, pat2 = match(pat, "|([a-z0-9_.]*)(.*)") - if altname then pat = pat2 end - - for p in gmatch(pat, ".") do - local x = nil - if p == "R" then - x = map_gpr[band(rshift(op, rs), 31)] - rs = rs - 5 - elseif p == "F" then - x = "f"..band(rshift(op, rs), 31) - rs = rs - 5 - elseif p == "A" then - x = band(rshift(op, rs), 31) - rs = rs - 5 - elseif p == "S" then - x = arshift(lshift(op, 27-rs), 27) - rs = rs - 5 - elseif p == "I" then - x = arshift(lshift(op, 16), 16) - elseif p == "U" then - x = band(op, 0xffff) - elseif p == "D" or p == "E" then - local disp = arshift(lshift(op, 16), 16) - if p == "E" then disp = band(disp, -4) end - if last == "r0" then last = "0" end - operands[#operands] = format("%d(%s)", disp, last) - elseif p >= "2" and p <= "8" then - local disp = band(rshift(op, rs), 31) * p - if last == "r0" then last = "0" end - operands[#operands] = format("%d(%s)", disp, last) - elseif p == "H" then - x = band(rshift(op, rs), 31) + lshift(band(op, 2), 4) - rs = rs - 5 - elseif p == "M" then - x = band(rshift(op, rs), 31) + band(op, 0x20) - elseif p == "C" then - x = condfmt(band(rshift(op, rs), 31)) - rs = rs - 5 - elseif p == "B" then - local bo = rshift(op, 21) - local cond = band(rshift(op, 16), 31) - local cn = "" - rs = rs - 10 - if band(bo, 4) == 0 then - cn = band(bo, 2) == 0 and "dnz" or "dz" - if band(bo, 0x10) == 0 then - cn = cn..(band(bo, 8) == 0 and "f" or "t") - end - if band(bo, 0x10) == 0 then x = condfmt(cond) end - name = name..(band(bo, 1) == band(rshift(op, 15), 1) and "-" or "+") - elseif band(bo, 0x10) == 0 then - cn = map_cond[band(cond, 3) + (band(bo, 8) == 0 and 4 or 0)] - if cond > 3 then x = "cr"..rshift(cond, 2) end - name = name..(band(bo, 1) == band(rshift(op, 15), 1) and "-" or "+") - end - name = gsub(name, "_", cn) - elseif p == "J" then - x = arshift(lshift(op, 27-rs), 29-rs)*4 - if band(op, 2) == 0 then x = ctx.addr + pos + x end - ctx.rel = x - x = "0x"..tohex(x) - elseif p == "K" then - if band(op, 1) ~= 0 then name = name.."l" end - if band(op, 2) ~= 0 then name = name.."a" end - elseif p == "X" or p == "Y" then - x = band(rshift(op, rs+2), 7) - if x == 0 and p == "Y" then x = nil else x = "cr"..x end - rs = rs - 5 - elseif p == "W" then - x = "cr"..band(op, 7) - elseif p == "Z" then - x = band(rshift(op, rs-4), 255) - rs = rs - 10 - elseif p == ">" then - operands[#operands] = rshift(operands[#operands], 1) - elseif p == "0" then - if last == "r0" then - operands[#operands] = nil - if altname then name = altname end - end - elseif p == "L" then - name = gsub(name, "_", band(op, 0x00200000) ~= 0 and "d" or "w") - elseif p == "." then - if band(op, 1) == 1 then name = name.."." end - elseif p == "N" then - if op == 0x60000000 then name = "nop"; break end - elseif p == "~" then - local n = #operands - operands[n-1], operands[n] = operands[n], operands[n-1] - elseif p == "=" then - local n = #operands - if last == operands[n-1] then - operands[n] = nil - name = altname - end - elseif p == "%" then - local n = #operands - if last == operands[n-1] and last == operands[n-2] then - operands[n] = nil - operands[n-1] = nil - name = altname - end - elseif p == "-" then - rs = rs - 5 - else - assert(false) - end - if x then operands[#operands+1] = x; last = x end - end - - return putop(ctx, name, operands) -end - ------------------------------------------------------------------------------- - --- Disassemble a block of code. -local function disass_block(ctx, ofs, len) - if not ofs then ofs = 0 end - local stop = len and ofs+len or #ctx.code - stop = stop - stop % 4 - ctx.pos = ofs - ofs % 4 - ctx.rel = nil - while ctx.pos < stop do disass_ins(ctx) end -end - --- Extended API: create a disassembler context. Then call ctx:disass(ofs, len). -local function create_(code, addr, out) - local ctx = {} - ctx.code = code - ctx.addr = addr or 0 - ctx.out = out or io.write - ctx.symtab = {} - ctx.disass = disass_block - ctx.hexdump = 8 - return ctx -end - --- Simple API: disassemble code (a string) at address and output via out. -local function disass_(code, addr, out) - create_(code, addr, out):disass() -end - --- Return register name for RID. -local function regname_(r) - if r < 32 then return map_gpr[r] end - return "f"..(r-32) -end - --- Public module functions. -module(...) - -create = create_ -disass = disass_ -regname = regname_ - diff --git a/libraries/luajit-2.0/lib/dis_x64.lua b/libraries/luajit-2.0/lib/dis_x64.lua deleted file mode 100644 index 8c9cb4f..0000000 --- a/libraries/luajit-2.0/lib/dis_x64.lua +++ /dev/null @@ -1,20 +0,0 @@ ----------------------------------------------------------------------------- --- LuaJIT x64 disassembler wrapper module. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- Released under the MIT license. See Copyright Notice in luajit.h ----------------------------------------------------------------------------- --- This module just exports the 64 bit functions from the combined --- x86/x64 disassembler module. All the interesting stuff is there. ------------------------------------------------------------------------------- - -local require = require - -module(...) - -local dis_x86 = require(_PACKAGE.."dis_x86") - -create = dis_x86.create64 -disass = dis_x86.disass64 -regname = dis_x86.regname64 - diff --git a/libraries/luajit-2.0/lib/dis_x86.lua b/libraries/luajit-2.0/lib/dis_x86.lua deleted file mode 100644 index d9a1f32..0000000 --- a/libraries/luajit-2.0/lib/dis_x86.lua +++ /dev/null @@ -1,836 +0,0 @@ ----------------------------------------------------------------------------- --- LuaJIT x86/x64 disassembler module. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- Released under the MIT license. See Copyright Notice in luajit.h ----------------------------------------------------------------------------- --- This is a helper module used by the LuaJIT machine code dumper module. --- --- Sending small code snippets to an external disassembler and mixing the --- output with our own stuff was too fragile. So I had to bite the bullet --- and write yet another x86 disassembler. Oh well ... --- --- The output format is very similar to what ndisasm generates. But it has --- been developed independently by looking at the opcode tables from the --- Intel and AMD manuals. The supported instruction set is quite extensive --- and reflects what a current generation Intel or AMD CPU implements in --- 32 bit and 64 bit mode. Yes, this includes MMX, SSE, SSE2, SSE3, SSSE3, --- SSE4.1, SSE4.2, SSE4a and even privileged and hypervisor (VMX/SVM) --- instructions. --- --- Notes: --- * The (useless) a16 prefix, 3DNow and pre-586 opcodes are unsupported. --- * No attempt at optimization has been made -- it's fast enough for my needs. --- * The public API may change when more architectures are added. ------------------------------------------------------------------------------- - -local type = type -local sub, byte, format = string.sub, string.byte, string.format -local match, gmatch, gsub = string.match, string.gmatch, string.gsub -local lower, rep = string.lower, string.rep - --- Map for 1st opcode byte in 32 bit mode. Ugly? Well ... read on. -local map_opc1_32 = { ---0x -[0]="addBmr","addVmr","addBrm","addVrm","addBai","addVai","push es","pop es", -"orBmr","orVmr","orBrm","orVrm","orBai","orVai","push cs","opc2*", ---1x -"adcBmr","adcVmr","adcBrm","adcVrm","adcBai","adcVai","push ss","pop ss", -"sbbBmr","sbbVmr","sbbBrm","sbbVrm","sbbBai","sbbVai","push ds","pop ds", ---2x -"andBmr","andVmr","andBrm","andVrm","andBai","andVai","es:seg","daa", -"subBmr","subVmr","subBrm","subVrm","subBai","subVai","cs:seg","das", ---3x -"xorBmr","xorVmr","xorBrm","xorVrm","xorBai","xorVai","ss:seg","aaa", -"cmpBmr","cmpVmr","cmpBrm","cmpVrm","cmpBai","cmpVai","ds:seg","aas", ---4x -"incVR","incVR","incVR","incVR","incVR","incVR","incVR","incVR", -"decVR","decVR","decVR","decVR","decVR","decVR","decVR","decVR", ---5x -"pushUR","pushUR","pushUR","pushUR","pushUR","pushUR","pushUR","pushUR", -"popUR","popUR","popUR","popUR","popUR","popUR","popUR","popUR", ---6x -"sz*pushaw,pusha","sz*popaw,popa","boundVrm","arplWmr", -"fs:seg","gs:seg","o16:","a16", -"pushUi","imulVrmi","pushBs","imulVrms", -"insb","insVS","outsb","outsVS", ---7x -"joBj","jnoBj","jbBj","jnbBj","jzBj","jnzBj","jbeBj","jaBj", -"jsBj","jnsBj","jpeBj","jpoBj","jlBj","jgeBj","jleBj","jgBj", ---8x -"arith!Bmi","arith!Vmi","arith!Bmi","arith!Vms", -"testBmr","testVmr","xchgBrm","xchgVrm", -"movBmr","movVmr","movBrm","movVrm", -"movVmg","leaVrm","movWgm","popUm", ---9x -"nop*xchgVaR|pause|xchgWaR|repne nop","xchgVaR","xchgVaR","xchgVaR", -"xchgVaR","xchgVaR","xchgVaR","xchgVaR", -"sz*cbw,cwde,cdqe","sz*cwd,cdq,cqo","call farViw","wait", -"sz*pushfw,pushf","sz*popfw,popf","sahf","lahf", ---Ax -"movBao","movVao","movBoa","movVoa", -"movsb","movsVS","cmpsb","cmpsVS", -"testBai","testVai","stosb","stosVS", -"lodsb","lodsVS","scasb","scasVS", ---Bx -"movBRi","movBRi","movBRi","movBRi","movBRi","movBRi","movBRi","movBRi", -"movVRI","movVRI","movVRI","movVRI","movVRI","movVRI","movVRI","movVRI", ---Cx -"shift!Bmu","shift!Vmu","retBw","ret","$lesVrm","$ldsVrm","movBmi","movVmi", -"enterBwu","leave","retfBw","retf","int3","intBu","into","iretVS", ---Dx -"shift!Bm1","shift!Vm1","shift!Bmc","shift!Vmc","aamBu","aadBu","salc","xlatb", -"fp*0","fp*1","fp*2","fp*3","fp*4","fp*5","fp*6","fp*7", ---Ex -"loopneBj","loopeBj","loopBj","sz*jcxzBj,jecxzBj,jrcxzBj", -"inBau","inVau","outBua","outVua", -"callVj","jmpVj","jmp farViw","jmpBj","inBad","inVad","outBda","outVda", ---Fx -"lock:","int1","repne:rep","rep:","hlt","cmc","testb!Bm","testv!Vm", -"clc","stc","cli","sti","cld","std","incb!Bm","incd!Vm", -} -assert(#map_opc1_32 == 255) - --- Map for 1st opcode byte in 64 bit mode (overrides only). -local map_opc1_64 = setmetatable({ - [0x06]=false, [0x07]=false, [0x0e]=false, - [0x16]=false, [0x17]=false, [0x1e]=false, [0x1f]=false, - [0x27]=false, [0x2f]=false, [0x37]=false, [0x3f]=false, - [0x60]=false, [0x61]=false, [0x62]=false, [0x63]="movsxdVrDmt", [0x67]="a32:", - [0x40]="rex*", [0x41]="rex*b", [0x42]="rex*x", [0x43]="rex*xb", - [0x44]="rex*r", [0x45]="rex*rb", [0x46]="rex*rx", [0x47]="rex*rxb", - [0x48]="rex*w", [0x49]="rex*wb", [0x4a]="rex*wx", [0x4b]="rex*wxb", - [0x4c]="rex*wr", [0x4d]="rex*wrb", [0x4e]="rex*wrx", [0x4f]="rex*wrxb", - [0x82]=false, [0x9a]=false, [0xc4]=false, [0xc5]=false, [0xce]=false, - [0xd4]=false, [0xd5]=false, [0xd6]=false, [0xea]=false, -}, { __index = map_opc1_32 }) - --- Map for 2nd opcode byte (0F xx). True CISC hell. Hey, I told you. --- Prefix dependent MMX/SSE opcodes: (none)|rep|o16|repne, -|F3|66|F2 -local map_opc2 = { ---0x -[0]="sldt!Dmp","sgdt!Ump","larVrm","lslVrm",nil,"syscall","clts","sysret", -"invd","wbinvd",nil,"ud1",nil,"$prefetch!Bm","femms","3dnowMrmu", ---1x -"movupsXrm|movssXrm|movupdXrm|movsdXrm", -"movupsXmr|movssXmr|movupdXmr|movsdXmr", -"movhlpsXrm$movlpsXrm|movsldupXrm|movlpdXrm|movddupXrm", -"movlpsXmr||movlpdXmr", -"unpcklpsXrm||unpcklpdXrm", -"unpckhpsXrm||unpckhpdXrm", -"movlhpsXrm$movhpsXrm|movshdupXrm|movhpdXrm", -"movhpsXmr||movhpdXmr", -"$prefetcht!Bm","hintnopVm","hintnopVm","hintnopVm", -"hintnopVm","hintnopVm","hintnopVm","hintnopVm", ---2x -"movUmx$","movUmy$","movUxm$","movUym$","movUmz$",nil,"movUzm$",nil, -"movapsXrm||movapdXrm", -"movapsXmr||movapdXmr", -"cvtpi2psXrMm|cvtsi2ssXrVmt|cvtpi2pdXrMm|cvtsi2sdXrVmt", -"movntpsXmr|movntssXmr|movntpdXmr|movntsdXmr", -"cvttps2piMrXm|cvttss2siVrXm|cvttpd2piMrXm|cvttsd2siVrXm", -"cvtps2piMrXm|cvtss2siVrXm|cvtpd2piMrXm|cvtsd2siVrXm", -"ucomissXrm||ucomisdXrm", -"comissXrm||comisdXrm", ---3x -"wrmsr","rdtsc","rdmsr","rdpmc","sysenter","sysexit",nil,"getsec", -"opc3*38",nil,"opc3*3a",nil,nil,nil,nil,nil, ---4x -"cmovoVrm","cmovnoVrm","cmovbVrm","cmovnbVrm", -"cmovzVrm","cmovnzVrm","cmovbeVrm","cmovaVrm", -"cmovsVrm","cmovnsVrm","cmovpeVrm","cmovpoVrm", -"cmovlVrm","cmovgeVrm","cmovleVrm","cmovgVrm", ---5x -"movmskpsVrXm$||movmskpdVrXm$","sqrtpsXrm|sqrtssXrm|sqrtpdXrm|sqrtsdXrm", -"rsqrtpsXrm|rsqrtssXrm","rcppsXrm|rcpssXrm", -"andpsXrm||andpdXrm","andnpsXrm||andnpdXrm", -"orpsXrm||orpdXrm","xorpsXrm||xorpdXrm", -"addpsXrm|addssXrm|addpdXrm|addsdXrm","mulpsXrm|mulssXrm|mulpdXrm|mulsdXrm", -"cvtps2pdXrm|cvtss2sdXrm|cvtpd2psXrm|cvtsd2ssXrm", -"cvtdq2psXrm|cvttps2dqXrm|cvtps2dqXrm", -"subpsXrm|subssXrm|subpdXrm|subsdXrm","minpsXrm|minssXrm|minpdXrm|minsdXrm", -"divpsXrm|divssXrm|divpdXrm|divsdXrm","maxpsXrm|maxssXrm|maxpdXrm|maxsdXrm", ---6x -"punpcklbwPrm","punpcklwdPrm","punpckldqPrm","packsswbPrm", -"pcmpgtbPrm","pcmpgtwPrm","pcmpgtdPrm","packuswbPrm", -"punpckhbwPrm","punpckhwdPrm","punpckhdqPrm","packssdwPrm", -"||punpcklqdqXrm","||punpckhqdqXrm", -"movPrVSm","movqMrm|movdquXrm|movdqaXrm", ---7x -"pshufwMrmu|pshufhwXrmu|pshufdXrmu|pshuflwXrmu","pshiftw!Pmu", -"pshiftd!Pmu","pshiftq!Mmu||pshiftdq!Xmu", -"pcmpeqbPrm","pcmpeqwPrm","pcmpeqdPrm","emms|", -"vmreadUmr||extrqXmuu$|insertqXrmuu$","vmwriteUrm||extrqXrm$|insertqXrm$", -nil,nil, -"||haddpdXrm|haddpsXrm","||hsubpdXrm|hsubpsXrm", -"movVSmMr|movqXrm|movVSmXr","movqMmr|movdquXmr|movdqaXmr", ---8x -"joVj","jnoVj","jbVj","jnbVj","jzVj","jnzVj","jbeVj","jaVj", -"jsVj","jnsVj","jpeVj","jpoVj","jlVj","jgeVj","jleVj","jgVj", ---9x -"setoBm","setnoBm","setbBm","setnbBm","setzBm","setnzBm","setbeBm","setaBm", -"setsBm","setnsBm","setpeBm","setpoBm","setlBm","setgeBm","setleBm","setgBm", ---Ax -"push fs","pop fs","cpuid","btVmr","shldVmru","shldVmrc",nil,nil, -"push gs","pop gs","rsm","btsVmr","shrdVmru","shrdVmrc","fxsave!Dmp","imulVrm", ---Bx -"cmpxchgBmr","cmpxchgVmr","$lssVrm","btrVmr", -"$lfsVrm","$lgsVrm","movzxVrBmt","movzxVrWmt", -"|popcntVrm","ud2Dp","bt!Vmu","btcVmr", -"bsfVrm","bsrVrm|lzcntVrm|bsrWrm","movsxVrBmt","movsxVrWmt", ---Cx -"xaddBmr","xaddVmr", -"cmppsXrmu|cmpssXrmu|cmppdXrmu|cmpsdXrmu","$movntiVmr|", -"pinsrwPrWmu","pextrwDrPmu", -"shufpsXrmu||shufpdXrmu","$cmpxchg!Qmp", -"bswapVR","bswapVR","bswapVR","bswapVR","bswapVR","bswapVR","bswapVR","bswapVR", ---Dx -"||addsubpdXrm|addsubpsXrm","psrlwPrm","psrldPrm","psrlqPrm", -"paddqPrm","pmullwPrm", -"|movq2dqXrMm|movqXmr|movdq2qMrXm$","pmovmskbVrMm||pmovmskbVrXm", -"psubusbPrm","psubuswPrm","pminubPrm","pandPrm", -"paddusbPrm","padduswPrm","pmaxubPrm","pandnPrm", ---Ex -"pavgbPrm","psrawPrm","psradPrm","pavgwPrm", -"pmulhuwPrm","pmulhwPrm", -"|cvtdq2pdXrm|cvttpd2dqXrm|cvtpd2dqXrm","$movntqMmr||$movntdqXmr", -"psubsbPrm","psubswPrm","pminswPrm","porPrm", -"paddsbPrm","paddswPrm","pmaxswPrm","pxorPrm", ---Fx -"|||lddquXrm","psllwPrm","pslldPrm","psllqPrm", -"pmuludqPrm","pmaddwdPrm","psadbwPrm","maskmovqMrm||maskmovdquXrm$", -"psubbPrm","psubwPrm","psubdPrm","psubqPrm", -"paddbPrm","paddwPrm","padddPrm","ud", -} -assert(map_opc2[255] == "ud") - --- Map for three-byte opcodes. Can't wait for their next invention. -local map_opc3 = { -["38"] = { -- [66] 0f 38 xx ---0x -[0]="pshufbPrm","phaddwPrm","phadddPrm","phaddswPrm", -"pmaddubswPrm","phsubwPrm","phsubdPrm","phsubswPrm", -"psignbPrm","psignwPrm","psigndPrm","pmulhrswPrm", -nil,nil,nil,nil, ---1x -"||pblendvbXrma",nil,nil,nil, -"||blendvpsXrma","||blendvpdXrma",nil,"||ptestXrm", -nil,nil,nil,nil, -"pabsbPrm","pabswPrm","pabsdPrm",nil, ---2x -"||pmovsxbwXrm","||pmovsxbdXrm","||pmovsxbqXrm","||pmovsxwdXrm", -"||pmovsxwqXrm","||pmovsxdqXrm",nil,nil, -"||pmuldqXrm","||pcmpeqqXrm","||$movntdqaXrm","||packusdwXrm", -nil,nil,nil,nil, ---3x -"||pmovzxbwXrm","||pmovzxbdXrm","||pmovzxbqXrm","||pmovzxwdXrm", -"||pmovzxwqXrm","||pmovzxdqXrm",nil,"||pcmpgtqXrm", -"||pminsbXrm","||pminsdXrm","||pminuwXrm","||pminudXrm", -"||pmaxsbXrm","||pmaxsdXrm","||pmaxuwXrm","||pmaxudXrm", ---4x -"||pmulddXrm","||phminposuwXrm", ---Fx -[0xf0] = "|||crc32TrBmt",[0xf1] = "|||crc32TrVmt", -}, - -["3a"] = { -- [66] 0f 3a xx ---0x -[0x00]=nil,nil,nil,nil,nil,nil,nil,nil, -"||roundpsXrmu","||roundpdXrmu","||roundssXrmu","||roundsdXrmu", -"||blendpsXrmu","||blendpdXrmu","||pblendwXrmu","palignrPrmu", ---1x -nil,nil,nil,nil, -"||pextrbVmXru","||pextrwVmXru","||pextrVmSXru","||extractpsVmXru", -nil,nil,nil,nil,nil,nil,nil,nil, ---2x -"||pinsrbXrVmu","||insertpsXrmu","||pinsrXrVmuS",nil, ---4x -[0x40] = "||dppsXrmu", -[0x41] = "||dppdXrmu", -[0x42] = "||mpsadbwXrmu", ---6x -[0x60] = "||pcmpestrmXrmu",[0x61] = "||pcmpestriXrmu", -[0x62] = "||pcmpistrmXrmu",[0x63] = "||pcmpistriXrmu", -}, -} - --- Map for VMX/SVM opcodes 0F 01 C0-FF (sgdt group with register operands). -local map_opcvm = { -[0xc1]="vmcall",[0xc2]="vmlaunch",[0xc3]="vmresume",[0xc4]="vmxoff", -[0xc8]="monitor",[0xc9]="mwait", -[0xd8]="vmrun",[0xd9]="vmmcall",[0xda]="vmload",[0xdb]="vmsave", -[0xdc]="stgi",[0xdd]="clgi",[0xde]="skinit",[0xdf]="invlpga", -[0xf8]="swapgs",[0xf9]="rdtscp", -} - --- Map for FP opcodes. And you thought stack machines are simple? -local map_opcfp = { --- D8-DF 00-BF: opcodes with a memory operand. --- D8 -[0]="faddFm","fmulFm","fcomFm","fcompFm","fsubFm","fsubrFm","fdivFm","fdivrFm", -"fldFm",nil,"fstFm","fstpFm","fldenvVm","fldcwWm","fnstenvVm","fnstcwWm", --- DA -"fiaddDm","fimulDm","ficomDm","ficompDm", -"fisubDm","fisubrDm","fidivDm","fidivrDm", --- DB -"fildDm","fisttpDm","fistDm","fistpDm",nil,"fld twordFmp",nil,"fstp twordFmp", --- DC -"faddGm","fmulGm","fcomGm","fcompGm","fsubGm","fsubrGm","fdivGm","fdivrGm", --- DD -"fldGm","fisttpQm","fstGm","fstpGm","frstorDmp",nil,"fnsaveDmp","fnstswWm", --- DE -"fiaddWm","fimulWm","ficomWm","ficompWm", -"fisubWm","fisubrWm","fidivWm","fidivrWm", --- DF -"fildWm","fisttpWm","fistWm","fistpWm", -"fbld twordFmp","fildQm","fbstp twordFmp","fistpQm", --- xx C0-FF: opcodes with a pseudo-register operand. --- D8 -"faddFf","fmulFf","fcomFf","fcompFf","fsubFf","fsubrFf","fdivFf","fdivrFf", --- D9 -"fldFf","fxchFf",{"fnop"},nil, -{"fchs","fabs",nil,nil,"ftst","fxam"}, -{"fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz"}, -{"f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp"}, -{"fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos"}, --- DA -"fcmovbFf","fcmoveFf","fcmovbeFf","fcmovuFf",nil,{nil,"fucompp"},nil,nil, --- DB -"fcmovnbFf","fcmovneFf","fcmovnbeFf","fcmovnuFf", -{nil,nil,"fnclex","fninit"},"fucomiFf","fcomiFf",nil, --- DC -"fadd toFf","fmul toFf",nil,nil, -"fsub toFf","fsubr toFf","fdivr toFf","fdiv toFf", --- DD -"ffreeFf",nil,"fstFf","fstpFf","fucomFf","fucompFf",nil,nil, --- DE -"faddpFf","fmulpFf",nil,{nil,"fcompp"}, -"fsubrpFf","fsubpFf","fdivrpFf","fdivpFf", --- DF -nil,nil,nil,nil,{"fnstsw ax"},"fucomipFf","fcomipFf",nil, -} -assert(map_opcfp[126] == "fcomipFf") - --- Map for opcode groups. The subkey is sp from the ModRM byte. -local map_opcgroup = { - arith = { "add", "or", "adc", "sbb", "and", "sub", "xor", "cmp" }, - shift = { "rol", "ror", "rcl", "rcr", "shl", "shr", "sal", "sar" }, - testb = { "testBmi", "testBmi", "not", "neg", "mul", "imul", "div", "idiv" }, - testv = { "testVmi", "testVmi", "not", "neg", "mul", "imul", "div", "idiv" }, - incb = { "inc", "dec" }, - incd = { "inc", "dec", "callUmp", "$call farDmp", - "jmpUmp", "$jmp farDmp", "pushUm" }, - sldt = { "sldt", "str", "lldt", "ltr", "verr", "verw" }, - sgdt = { "vm*$sgdt", "vm*$sidt", "$lgdt", "vm*$lidt", - "smsw", nil, "lmsw", "vm*$invlpg" }, - bt = { nil, nil, nil, nil, "bt", "bts", "btr", "btc" }, - cmpxchg = { nil, "sz*,cmpxchg8bQmp,cmpxchg16bXmp", nil, nil, - nil, nil, "vmptrld|vmxon|vmclear", "vmptrst" }, - pshiftw = { nil, nil, "psrlw", nil, "psraw", nil, "psllw" }, - pshiftd = { nil, nil, "psrld", nil, "psrad", nil, "pslld" }, - pshiftq = { nil, nil, "psrlq", nil, nil, nil, "psllq" }, - pshiftdq = { nil, nil, "psrlq", "psrldq", nil, nil, "psllq", "pslldq" }, - fxsave = { "$fxsave", "$fxrstor", "$ldmxcsr", "$stmxcsr", - nil, "lfenceDp$", "mfenceDp$", "sfenceDp$clflush" }, - prefetch = { "prefetch", "prefetchw" }, - prefetcht = { "prefetchnta", "prefetcht0", "prefetcht1", "prefetcht2" }, -} - ------------------------------------------------------------------------------- - --- Maps for register names. -local map_regs = { - B = { "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh", - "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b" }, - B64 = { "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil", - "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b" }, - W = { "ax", "cx", "dx", "bx", "sp", "bp", "si", "di", - "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w" }, - D = { "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi", - "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d" }, - Q = { "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", - "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" }, - M = { "mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7", - "mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7" }, -- No x64 ext! - X = { "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7", - "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15" }, -} -local map_segregs = { "es", "cs", "ss", "ds", "fs", "gs", "segr6", "segr7" } - --- Maps for size names. -local map_sz2n = { - B = 1, W = 2, D = 4, Q = 8, M = 8, X = 16, -} -local map_sz2prefix = { - B = "byte", W = "word", D = "dword", - Q = "qword", - M = "qword", X = "xword", - F = "dword", G = "qword", -- No need for sizes/register names for these two. -} - ------------------------------------------------------------------------------- - --- Output a nicely formatted line with an opcode and operands. -local function putop(ctx, text, operands) - local code, pos, hex = ctx.code, ctx.pos, "" - local hmax = ctx.hexdump - if hmax > 0 then - for i=ctx.start,pos-1 do - hex = hex..format("%02X", byte(code, i, i)) - end - if #hex > hmax then hex = sub(hex, 1, hmax)..". " - else hex = hex..rep(" ", hmax-#hex+2) end - end - if operands then text = text.." "..operands end - if ctx.o16 then text = "o16 "..text; ctx.o16 = false end - if ctx.a32 then text = "a32 "..text; ctx.a32 = false end - if ctx.rep then text = ctx.rep.." "..text; ctx.rep = false end - if ctx.rex then - local t = (ctx.rexw and "w" or "")..(ctx.rexr and "r" or "").. - (ctx.rexx and "x" or "")..(ctx.rexb and "b" or "") - if t ~= "" then text = "rex."..t.." "..text end - ctx.rexw = false; ctx.rexr = false; ctx.rexx = false; ctx.rexb = false - ctx.rex = false - end - if ctx.seg then - local text2, n = gsub(text, "%[", "["..ctx.seg..":") - if n == 0 then text = ctx.seg.." "..text else text = text2 end - ctx.seg = false - end - if ctx.lock then text = "lock "..text; ctx.lock = false end - local imm = ctx.imm - if imm then - local sym = ctx.symtab[imm] - if sym then text = text.."\t->"..sym end - end - ctx.out(format("%08x %s%s\n", ctx.addr+ctx.start, hex, text)) - ctx.mrm = false - ctx.start = pos - ctx.imm = nil -end - --- Clear all prefix flags. -local function clearprefixes(ctx) - ctx.o16 = false; ctx.seg = false; ctx.lock = false; ctx.rep = false - ctx.rexw = false; ctx.rexr = false; ctx.rexx = false; ctx.rexb = false - ctx.rex = false; ctx.a32 = false -end - --- Fallback for incomplete opcodes at the end. -local function incomplete(ctx) - ctx.pos = ctx.stop+1 - clearprefixes(ctx) - return putop(ctx, "(incomplete)") -end - --- Fallback for unknown opcodes. -local function unknown(ctx) - clearprefixes(ctx) - return putop(ctx, "(unknown)") -end - --- Return an immediate of the specified size. -local function getimm(ctx, pos, n) - if pos+n-1 > ctx.stop then return incomplete(ctx) end - local code = ctx.code - if n == 1 then - local b1 = byte(code, pos, pos) - return b1 - elseif n == 2 then - local b1, b2 = byte(code, pos, pos+1) - return b1+b2*256 - else - local b1, b2, b3, b4 = byte(code, pos, pos+3) - local imm = b1+b2*256+b3*65536+b4*16777216 - ctx.imm = imm - return imm - end -end - --- Process pattern string and generate the operands. -local function putpat(ctx, name, pat) - local operands, regs, sz, mode, sp, rm, sc, rx, sdisp - local code, pos, stop = ctx.code, ctx.pos, ctx.stop - - -- Chars used: 1DFGIMPQRSTUVWXacdfgijmoprstuwxyz - for p in gmatch(pat, ".") do - local x = nil - if p == "V" or p == "U" then - if ctx.rexw then sz = "Q"; ctx.rexw = false - elseif ctx.o16 then sz = "W"; ctx.o16 = false - elseif p == "U" and ctx.x64 then sz = "Q" - else sz = "D" end - regs = map_regs[sz] - elseif p == "T" then - if ctx.rexw then sz = "Q"; ctx.rexw = false else sz = "D" end - regs = map_regs[sz] - elseif p == "B" then - sz = "B" - regs = ctx.rex and map_regs.B64 or map_regs.B - elseif match(p, "[WDQMXFG]") then - sz = p - regs = map_regs[sz] - elseif p == "P" then - sz = ctx.o16 and "X" or "M"; ctx.o16 = false - regs = map_regs[sz] - elseif p == "S" then - name = name..lower(sz) - elseif p == "s" then - local imm = getimm(ctx, pos, 1); if not imm then return end - x = imm <= 127 and format("+0x%02x", imm) - or format("-0x%02x", 256-imm) - pos = pos+1 - elseif p == "u" then - local imm = getimm(ctx, pos, 1); if not imm then return end - x = format("0x%02x", imm) - pos = pos+1 - elseif p == "w" then - local imm = getimm(ctx, pos, 2); if not imm then return end - x = format("0x%x", imm) - pos = pos+2 - elseif p == "o" then -- [offset] - if ctx.x64 then - local imm1 = getimm(ctx, pos, 4); if not imm1 then return end - local imm2 = getimm(ctx, pos+4, 4); if not imm2 then return end - x = format("[0x%08x%08x]", imm2, imm1) - pos = pos+8 - else - local imm = getimm(ctx, pos, 4); if not imm then return end - x = format("[0x%08x]", imm) - pos = pos+4 - end - elseif p == "i" or p == "I" then - local n = map_sz2n[sz] - if n == 8 and ctx.x64 and p == "I" then - local imm1 = getimm(ctx, pos, 4); if not imm1 then return end - local imm2 = getimm(ctx, pos+4, 4); if not imm2 then return end - x = format("0x%08x%08x", imm2, imm1) - else - if n == 8 then n = 4 end - local imm = getimm(ctx, pos, n); if not imm then return end - if sz == "Q" and (imm < 0 or imm > 0x7fffffff) then - imm = (0xffffffff+1)-imm - x = format(imm > 65535 and "-0x%08x" or "-0x%x", imm) - else - x = format(imm > 65535 and "0x%08x" or "0x%x", imm) - end - end - pos = pos+n - elseif p == "j" then - local n = map_sz2n[sz] - if n == 8 then n = 4 end - local imm = getimm(ctx, pos, n); if not imm then return end - if sz == "B" and imm > 127 then imm = imm-256 - elseif imm > 2147483647 then imm = imm-4294967296 end - pos = pos+n - imm = imm + pos + ctx.addr - if imm > 4294967295 and not ctx.x64 then imm = imm-4294967296 end - ctx.imm = imm - if sz == "W" then - x = format("word 0x%04x", imm%65536) - elseif ctx.x64 then - local lo = imm % 0x1000000 - x = format("0x%02x%06x", (imm-lo) / 0x1000000, lo) - else - x = format("0x%08x", imm) - end - elseif p == "R" then - local r = byte(code, pos-1, pos-1)%8 - if ctx.rexb then r = r + 8; ctx.rexb = false end - x = regs[r+1] - elseif p == "a" then x = regs[1] - elseif p == "c" then x = "cl" - elseif p == "d" then x = "dx" - elseif p == "1" then x = "1" - else - if not mode then - mode = ctx.mrm - if not mode then - if pos > stop then return incomplete(ctx) end - mode = byte(code, pos, pos) - pos = pos+1 - end - rm = mode%8; mode = (mode-rm)/8 - sp = mode%8; mode = (mode-sp)/8 - sdisp = "" - if mode < 3 then - if rm == 4 then - if pos > stop then return incomplete(ctx) end - sc = byte(code, pos, pos) - pos = pos+1 - rm = sc%8; sc = (sc-rm)/8 - rx = sc%8; sc = (sc-rx)/8 - if ctx.rexx then rx = rx + 8; ctx.rexx = false end - if rx == 4 then rx = nil end - end - if mode > 0 or rm == 5 then - local dsz = mode - if dsz ~= 1 then dsz = 4 end - local disp = getimm(ctx, pos, dsz); if not disp then return end - if mode == 0 then rm = nil end - if rm or rx or (not sc and ctx.x64 and not ctx.a32) then - if dsz == 1 and disp > 127 then - sdisp = format("-0x%x", 256-disp) - elseif disp >= 0 and disp <= 0x7fffffff then - sdisp = format("+0x%x", disp) - else - sdisp = format("-0x%x", (0xffffffff+1)-disp) - end - else - sdisp = format(ctx.x64 and not ctx.a32 and - not (disp >= 0 and disp <= 0x7fffffff) - and "0xffffffff%08x" or "0x%08x", disp) - end - pos = pos+dsz - end - end - if rm and ctx.rexb then rm = rm + 8; ctx.rexb = false end - if ctx.rexr then sp = sp + 8; ctx.rexr = false end - end - if p == "m" then - if mode == 3 then x = regs[rm+1] - else - local aregs = ctx.a32 and map_regs.D or ctx.aregs - local srm, srx = "", "" - if rm then srm = aregs[rm+1] - elseif not sc and ctx.x64 and not ctx.a32 then srm = "rip" end - ctx.a32 = false - if rx then - if rm then srm = srm.."+" end - srx = aregs[rx+1] - if sc > 0 then srx = srx.."*"..(2^sc) end - end - x = format("[%s%s%s]", srm, srx, sdisp) - end - if mode < 3 and - (not match(pat, "[aRrgp]") or match(pat, "t")) then -- Yuck. - x = map_sz2prefix[sz].." "..x - end - elseif p == "r" then x = regs[sp+1] - elseif p == "g" then x = map_segregs[sp+1] - elseif p == "p" then -- Suppress prefix. - elseif p == "f" then x = "st"..rm - elseif p == "x" then - if sp == 0 and ctx.lock and not ctx.x64 then - x = "CR8"; ctx.lock = false - else - x = "CR"..sp - end - elseif p == "y" then x = "DR"..sp - elseif p == "z" then x = "TR"..sp - elseif p == "t" then - else - error("bad pattern `"..pat.."'") - end - end - if x then operands = operands and operands..", "..x or x end - end - ctx.pos = pos - return putop(ctx, name, operands) -end - --- Forward declaration. -local map_act - --- Fetch and cache MRM byte. -local function getmrm(ctx) - local mrm = ctx.mrm - if not mrm then - local pos = ctx.pos - if pos > ctx.stop then return nil end - mrm = byte(ctx.code, pos, pos) - ctx.pos = pos+1 - ctx.mrm = mrm - end - return mrm -end - --- Dispatch to handler depending on pattern. -local function dispatch(ctx, opat, patgrp) - if not opat then return unknown(ctx) end - if match(opat, "%|") then -- MMX/SSE variants depending on prefix. - local p - if ctx.rep then - p = ctx.rep=="rep" and "%|([^%|]*)" or "%|[^%|]*%|[^%|]*%|([^%|]*)" - ctx.rep = false - elseif ctx.o16 then p = "%|[^%|]*%|([^%|]*)"; ctx.o16 = false - else p = "^[^%|]*" end - opat = match(opat, p) - if not opat then return unknown(ctx) end --- ctx.rep = false; ctx.o16 = false - --XXX fails for 66 f2 0f 38 f1 06 crc32 eax,WORD PTR [esi] - --XXX remove in branches? - end - if match(opat, "%$") then -- reg$mem variants. - local mrm = getmrm(ctx); if not mrm then return incomplete(ctx) end - opat = match(opat, mrm >= 192 and "^[^%$]*" or "%$(.*)") - if opat == "" then return unknown(ctx) end - end - if opat == "" then return unknown(ctx) end - local name, pat = match(opat, "^([a-z0-9 ]*)(.*)") - if pat == "" and patgrp then pat = patgrp end - return map_act[sub(pat, 1, 1)](ctx, name, pat) -end - --- Get a pattern from an opcode map and dispatch to handler. -local function dispatchmap(ctx, opcmap) - local pos = ctx.pos - local opat = opcmap[byte(ctx.code, pos, pos)] - pos = pos + 1 - ctx.pos = pos - return dispatch(ctx, opat) -end - --- Map for action codes. The key is the first char after the name. -map_act = { - -- Simple opcodes without operands. - [""] = function(ctx, name, pat) - return putop(ctx, name) - end, - - -- Operand size chars fall right through. - B = putpat, W = putpat, D = putpat, Q = putpat, - V = putpat, U = putpat, T = putpat, - M = putpat, X = putpat, P = putpat, - F = putpat, G = putpat, - - -- Collect prefixes. - [":"] = function(ctx, name, pat) - ctx[pat == ":" and name or sub(pat, 2)] = name - if ctx.pos - ctx.start > 5 then return unknown(ctx) end -- Limit #prefixes. - end, - - -- Chain to special handler specified by name. - ["*"] = function(ctx, name, pat) - return map_act[name](ctx, name, sub(pat, 2)) - end, - - -- Use named subtable for opcode group. - ["!"] = function(ctx, name, pat) - local mrm = getmrm(ctx); if not mrm then return incomplete(ctx) end - return dispatch(ctx, map_opcgroup[name][((mrm-(mrm%8))/8)%8+1], sub(pat, 2)) - end, - - -- o16,o32[,o64] variants. - sz = function(ctx, name, pat) - if ctx.o16 then ctx.o16 = false - else - pat = match(pat, ",(.*)") - if ctx.rexw then - local p = match(pat, ",(.*)") - if p then pat = p; ctx.rexw = false end - end - end - pat = match(pat, "^[^,]*") - return dispatch(ctx, pat) - end, - - -- Two-byte opcode dispatch. - opc2 = function(ctx, name, pat) - return dispatchmap(ctx, map_opc2) - end, - - -- Three-byte opcode dispatch. - opc3 = function(ctx, name, pat) - return dispatchmap(ctx, map_opc3[pat]) - end, - - -- VMX/SVM dispatch. - vm = function(ctx, name, pat) - return dispatch(ctx, map_opcvm[ctx.mrm]) - end, - - -- Floating point opcode dispatch. - fp = function(ctx, name, pat) - local mrm = getmrm(ctx); if not mrm then return incomplete(ctx) end - local rm = mrm%8 - local idx = pat*8 + ((mrm-rm)/8)%8 - if mrm >= 192 then idx = idx + 64 end - local opat = map_opcfp[idx] - if type(opat) == "table" then opat = opat[rm+1] end - return dispatch(ctx, opat) - end, - - -- REX prefix. - rex = function(ctx, name, pat) - if ctx.rex then return unknown(ctx) end -- Only 1 REX prefix allowed. - for p in gmatch(pat, ".") do ctx["rex"..p] = true end - ctx.rex = true - end, - - -- Special case for nop with REX prefix. - nop = function(ctx, name, pat) - return dispatch(ctx, ctx.rex and pat or "nop") - end, -} - ------------------------------------------------------------------------------- - --- Disassemble a block of code. -local function disass_block(ctx, ofs, len) - if not ofs then ofs = 0 end - local stop = len and ofs+len or #ctx.code - ofs = ofs + 1 - ctx.start = ofs - ctx.pos = ofs - ctx.stop = stop - ctx.imm = nil - ctx.mrm = false - clearprefixes(ctx) - while ctx.pos <= stop do dispatchmap(ctx, ctx.map1) end - if ctx.pos ~= ctx.start then incomplete(ctx) end -end - --- Extended API: create a disassembler context. Then call ctx:disass(ofs, len). -local function create_(code, addr, out) - local ctx = {} - ctx.code = code - ctx.addr = (addr or 0) - 1 - ctx.out = out or io.write - ctx.symtab = {} - ctx.disass = disass_block - ctx.hexdump = 16 - ctx.x64 = false - ctx.map1 = map_opc1_32 - ctx.aregs = map_regs.D - return ctx -end - -local function create64_(code, addr, out) - local ctx = create_(code, addr, out) - ctx.x64 = true - ctx.map1 = map_opc1_64 - ctx.aregs = map_regs.Q - return ctx -end - --- Simple API: disassemble code (a string) at address and output via out. -local function disass_(code, addr, out) - create_(code, addr, out):disass() -end - -local function disass64_(code, addr, out) - create64_(code, addr, out):disass() -end - --- Return register name for RID. -local function regname_(r) - if r < 8 then return map_regs.D[r+1] end - return map_regs.X[r-7] -end - -local function regname64_(r) - if r < 16 then return map_regs.Q[r+1] end - return map_regs.X[r-15] -end - --- Public module functions. -module(...) - -create = create_ -create64 = create64_ -disass = disass_ -disass64 = disass64_ -regname = regname_ -regname64 = regname64_ - diff --git a/libraries/luajit-2.0/lib/dump.lua b/libraries/luajit-2.0/lib/dump.lua deleted file mode 100644 index 0f0e905..0000000 --- a/libraries/luajit-2.0/lib/dump.lua +++ /dev/null @@ -1,685 +0,0 @@ ----------------------------------------------------------------------------- --- LuaJIT compiler dump module. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- Released under the MIT license. See Copyright Notice in luajit.h ----------------------------------------------------------------------------- --- --- This module can be used to debug the JIT compiler itself. It dumps the --- code representations and structures used in various compiler stages. --- --- Example usage: --- --- luajit -jdump -e "local x=0; for i=1,1e6 do x=x+i end; print(x)" --- luajit -jdump=im -e "for i=1,1000 do for j=1,1000 do end end" | less -R --- luajit -jdump=is myapp.lua | less -R --- luajit -jdump=-b myapp.lua --- luajit -jdump=+aH,myapp.html myapp.lua --- luajit -jdump=ixT,myapp.dump myapp.lua --- --- The first argument specifies the dump mode. The second argument gives --- the output file name. Default output is to stdout, unless the environment --- variable LUAJIT_DUMPFILE is set. The file is overwritten every time the --- module is started. --- --- Different features can be turned on or off with the dump mode. If the --- mode starts with a '+', the following features are added to the default --- set of features; a '-' removes them. Otherwise the features are replaced. --- --- The following dump features are available (* marks the default): --- --- * t Print a line for each started, ended or aborted trace (see also -jv). --- * b Dump the traced bytecode. --- * i Dump the IR (intermediate representation). --- r Augment the IR with register/stack slots. --- s Dump the snapshot map. --- * m Dump the generated machine code. --- x Print each taken trace exit. --- X Print each taken trace exit and the contents of all registers. --- --- The output format can be set with the following characters: --- --- T Plain text output. --- A ANSI-colored text output --- H Colorized HTML + CSS output. --- --- The default output format is plain text. It's set to ANSI-colored text --- if the COLORTERM variable is set. Note: this is independent of any output --- redirection, which is actually considered a feature. --- --- You probably want to use less -R to enjoy viewing ANSI-colored text from --- a pipe or a file. Add this to your ~/.bashrc: export LESS="-R" --- ------------------------------------------------------------------------------- - --- Cache some library functions and objects. -local jit = require("jit") -assert(jit.version_num == 20000, "LuaJIT core/library version mismatch") -local jutil = require("jit.util") -local vmdef = require("jit.vmdef") -local funcinfo, funcbc = jutil.funcinfo, jutil.funcbc -local traceinfo, traceir, tracek = jutil.traceinfo, jutil.traceir, jutil.tracek -local tracemc, tracesnap = jutil.tracemc, jutil.tracesnap -local traceexitstub, ircalladdr = jutil.traceexitstub, jutil.ircalladdr -local bit = require("bit") -local band, shl, shr = bit.band, bit.lshift, bit.rshift -local sub, gsub, format = string.sub, string.gsub, string.format -local byte, char, rep = string.byte, string.char, string.rep -local type, tostring = type, tostring -local stdout, stderr = io.stdout, io.stderr - --- Load other modules on-demand. -local bcline, disass - --- Active flag, output file handle and dump mode. -local active, out, dumpmode - ------------------------------------------------------------------------------- - -local symtabmt = { __index = false } -local symtab = {} -local nexitsym = 0 - --- Fill nested symbol table with per-trace exit stub addresses. -local function fillsymtab_tr(tr, nexit) - local t = {} - symtabmt.__index = t - for i=0,nexit-1 do - local addr = traceexitstub(tr, i) - t[addr] = tostring(i) - end - local addr = traceexitstub(tr, nexit) - if addr then t[addr] = "stack_check" end -end - --- Fill symbol table with trace exit stub addresses. -local function fillsymtab(tr, nexit) - local t = symtab - if nexitsym == 0 then - local ircall = vmdef.ircall - for i=0,#ircall do - local addr = ircalladdr(i) - if addr ~= 0 then t[addr] = ircall[i] end - end - end - if nexitsym == 1000000 then -- Per-trace exit stubs. - fillsymtab_tr(tr, nexit) - elseif nexit > nexitsym then -- Shared exit stubs. - for i=nexitsym,nexit-1 do - local addr = traceexitstub(i) - if addr == nil then -- Fall back to per-trace exit stubs. - fillsymtab_tr(tr, nexit) - setmetatable(symtab, symtabmt) - nexit = 1000000 - break - end - t[addr] = tostring(i) - end - nexitsym = nexit - end - return t -end - -local function dumpwrite(s) - out:write(s) -end - --- Disassemble machine code. -local function dump_mcode(tr) - local info = traceinfo(tr) - if not info then return end - local mcode, addr, loop = tracemc(tr) - if not mcode then return end - if not disass then disass = require("jit.dis_"..jit.arch) end - out:write("---- TRACE ", tr, " mcode ", #mcode, "\n") - local ctx = disass.create(mcode, addr, dumpwrite) - ctx.hexdump = 0 - ctx.symtab = fillsymtab(tr, info.nexit) - if loop ~= 0 then - symtab[addr+loop] = "LOOP" - ctx:disass(0, loop) - out:write("->LOOP:\n") - ctx:disass(loop, #mcode-loop) - symtab[addr+loop] = nil - else - ctx:disass(0, #mcode) - end -end - ------------------------------------------------------------------------------- - -local irtype_text = { - [0] = "nil", - "fal", - "tru", - "lud", - "str", - "p32", - "thr", - "pro", - "fun", - "p64", - "cdt", - "tab", - "udt", - "flt", - "num", - "i8 ", - "u8 ", - "i16", - "u16", - "int", - "u32", - "i64", - "u64", - "sfp", -} - -local colortype_ansi = { - [0] = "%s", - "%s", - "%s", - "\027[36m%s\027[m", - "\027[32m%s\027[m", - "%s", - "\027[1m%s\027[m", - "%s", - "\027[1m%s\027[m", - "%s", - "\027[33m%s\027[m", - "\027[31m%s\027[m", - "\027[36m%s\027[m", - "\027[34m%s\027[m", - "\027[34m%s\027[m", - "\027[35m%s\027[m", - "\027[35m%s\027[m", - "\027[35m%s\027[m", - "\027[35m%s\027[m", - "\027[35m%s\027[m", - "\027[35m%s\027[m", - "\027[35m%s\027[m", - "\027[35m%s\027[m", - "\027[35m%s\027[m", -} - -local function colorize_text(s, t) - return s -end - -local function colorize_ansi(s, t) - return format(colortype_ansi[t], s) -end - -local irtype_ansi = setmetatable({}, - { __index = function(tab, t) - local s = colorize_ansi(irtype_text[t], t); tab[t] = s; return s; end }) - -local html_escape = { ["<"] = "<", [">"] = ">", ["&"] = "&", } - -local function colorize_html(s, t) - s = gsub(s, "[<>&]", html_escape) - return format('%s', irtype_text[t], s) -end - -local irtype_html = setmetatable({}, - { __index = function(tab, t) - local s = colorize_html(irtype_text[t], t); tab[t] = s; return s; end }) - -local header_html = [[ - -]] - -local colorize, irtype - --- Lookup tables to convert some literals into names. -local litname = { - ["SLOAD "] = setmetatable({}, { __index = function(t, mode) - local s = "" - if band(mode, 1) ~= 0 then s = s.."P" end - if band(mode, 2) ~= 0 then s = s.."F" end - if band(mode, 4) ~= 0 then s = s.."T" end - if band(mode, 8) ~= 0 then s = s.."C" end - if band(mode, 16) ~= 0 then s = s.."R" end - if band(mode, 32) ~= 0 then s = s.."I" end - t[mode] = s - return s - end}), - ["XLOAD "] = { [0] = "", "R", "V", "RV", "U", "RU", "VU", "RVU", }, - ["CONV "] = setmetatable({}, { __index = function(t, mode) - local s = irtype[band(mode, 31)] - s = irtype[band(shr(mode, 5), 31)].."."..s - if band(mode, 0x400) ~= 0 then s = s.." trunc" - elseif band(mode, 0x800) ~= 0 then s = s.." sext" end - local c = shr(mode, 14) - if c == 2 then s = s.." index" elseif c == 3 then s = s.." check" end - t[mode] = s - return s - end}), - ["FLOAD "] = vmdef.irfield, - ["FREF "] = vmdef.irfield, - ["FPMATH"] = vmdef.irfpm, -} - -local function ctlsub(c) - if c == "\n" then return "\\n" - elseif c == "\r" then return "\\r" - elseif c == "\t" then return "\\t" - elseif c == "\r" then return "\\r" - else return format("\\%03d", byte(c)) - end -end - -local function fmtfunc(func, pc) - local fi = funcinfo(func, pc) - if fi.loc then - return fi.loc - elseif fi.ffid then - return vmdef.ffnames[fi.ffid] - elseif fi.addr then - return format("C:%x", fi.addr) - else - return "(?)" - end -end - -local function formatk(tr, idx) - local k, t, slot = tracek(tr, idx) - local tn = type(k) - local s - if tn == "number" then - if k == 2^52+2^51 then - s = "bias" - else - s = format("%+.14g", k) - end - elseif tn == "string" then - s = format(#k > 20 and '"%.20s"~' or '"%s"', gsub(k, "%c", ctlsub)) - elseif tn == "function" then - s = fmtfunc(k) - elseif tn == "table" then - s = format("{%p}", k) - elseif tn == "userdata" then - if t == 12 then - s = format("userdata:%p", k) - else - s = format("[%p]", k) - if s == "[0x00000000]" then s = "NULL" end - end - elseif t == 21 then -- int64_t - s = sub(tostring(k), 1, -3) - if sub(s, 1, 1) ~= "-" then s = "+"..s end - else - s = tostring(k) -- For primitives. - end - s = colorize(format("%-4s", s), t) - if slot then - s = format("%s @%d", s, slot) - end - return s -end - -local function printsnap(tr, snap) - local n = 2 - for s=0,snap[1]-1 do - local sn = snap[n] - if shr(sn, 24) == s then - n = n + 1 - local ref = band(sn, 0xffff) - 0x8000 -- REF_BIAS - if ref < 0 then - out:write(formatk(tr, ref)) - elseif band(sn, 0x80000) ~= 0 then -- SNAP_SOFTFPNUM - out:write(colorize(format("%04d/%04d", ref, ref+1), 14)) - else - local m, ot, op1, op2 = traceir(tr, ref) - out:write(colorize(format("%04d", ref), band(ot, 31))) - end - out:write(band(sn, 0x10000) == 0 and " " or "|") -- SNAP_FRAME - else - out:write("---- ") - end - end - out:write("]\n") -end - --- Dump snapshots (not interleaved with IR). -local function dump_snap(tr) - out:write("---- TRACE ", tr, " snapshots\n") - for i=0,1000000000 do - local snap = tracesnap(tr, i) - if not snap then break end - out:write(format("#%-3d %04d [ ", i, snap[0])) - printsnap(tr, snap) - end -end - --- Return a register name or stack slot for a rid/sp location. -local function ridsp_name(ridsp) - if not disass then disass = require("jit.dis_"..jit.arch) end - local rid = band(ridsp, 0xff) - if ridsp > 255 then return format("[%x]", shr(ridsp, 8)*4) end - if rid < 128 then return disass.regname(rid) end - return "" -end - --- Dump CALL* function ref and return optional ctype. -local function dumpcallfunc(tr, ins) - local ctype - if ins > 0 then - local m, ot, op1, op2 = traceir(tr, ins) - if band(ot, 31) == 0 then -- nil type means CARG(func, ctype). - ins = op1 - ctype = formatk(tr, op2) - end - end - if ins < 0 then - out:write(format("[0x%x](", tonumber((tracek(tr, ins))))) - else - out:write(format("%04d (", ins)) - end - return ctype -end - --- Recursively gather CALL* args and dump them. -local function dumpcallargs(tr, ins) - if ins < 0 then - out:write(formatk(tr, ins)) - else - local m, ot, op1, op2 = traceir(tr, ins) - local oidx = 6*shr(ot, 8) - local op = sub(vmdef.irnames, oidx+1, oidx+6) - if op == "CARG " then - dumpcallargs(tr, op1) - if op2 < 0 then - out:write(" ", formatk(tr, op2)) - else - out:write(" ", format("%04d", op2)) - end - else - out:write(format("%04d", ins)) - end - end -end - --- Dump IR and interleaved snapshots. -local function dump_ir(tr, dumpsnap, dumpreg) - local info = traceinfo(tr) - if not info then return end - local nins = info.nins - out:write("---- TRACE ", tr, " IR\n") - local irnames = vmdef.irnames - local snapref = 65536 - local snap, snapno - if dumpsnap then - snap = tracesnap(tr, 0) - snapref = snap[0] - snapno = 0 - end - for ins=1,nins do - if ins >= snapref then - if dumpreg then - out:write(format(".... SNAP #%-3d [ ", snapno)) - else - out:write(format(".... SNAP #%-3d [ ", snapno)) - end - printsnap(tr, snap) - snapno = snapno + 1 - snap = tracesnap(tr, snapno) - snapref = snap and snap[0] or 65536 - end - local m, ot, op1, op2, ridsp = traceir(tr, ins) - local oidx, t = 6*shr(ot, 8), band(ot, 31) - local op = sub(irnames, oidx+1, oidx+6) - if op == "LOOP " then - if dumpreg then - out:write(format("%04d ------------ LOOP ------------\n", ins)) - else - out:write(format("%04d ------ LOOP ------------\n", ins)) - end - elseif op ~= "NOP " and op ~= "CARG " and - (dumpreg or op ~= "RENAME") then - if dumpreg then - out:write(format("%04d %-5s ", ins, ridsp_name(ridsp))) - else - out:write(format("%04d ", ins)) - end - out:write(format("%s%s %s %s ", - band(ot, 128) == 0 and " " or ">", - band(ot, 64) == 0 and " " or "+", - irtype[t], op)) - local m1, m2 = band(m, 3), band(m, 3*4) - if sub(op, 1, 4) == "CALL" then - local ctype - if m2 == 1*4 then -- op2 == IRMlit - out:write(format("%-10s (", vmdef.ircall[op2])) - else - ctype = dumpcallfunc(tr, op2) - end - if op1 ~= -1 then dumpcallargs(tr, op1) end - out:write(")") - if ctype then out:write(" ctype ", ctype) end - elseif op == "CNEW " and op2 == -1 then - out:write(formatk(tr, op1)) - elseif m1 ~= 3 then -- op1 != IRMnone - if op1 < 0 then - out:write(formatk(tr, op1)) - else - out:write(format(m1 == 0 and "%04d" or "#%-3d", op1)) - end - if m2 ~= 3*4 then -- op2 != IRMnone - if m2 == 1*4 then -- op2 == IRMlit - local litn = litname[op] - if litn and litn[op2] then - out:write(" ", litn[op2]) - elseif op == "UREFO " or op == "UREFC " then - out:write(format(" #%-3d", shr(op2, 8))) - else - out:write(format(" #%-3d", op2)) - end - elseif op2 < 0 then - out:write(" ", formatk(tr, op2)) - else - out:write(format(" %04d", op2)) - end - end - end - out:write("\n") - end - end - if snap then - if dumpreg then - out:write(format(".... SNAP #%-3d [ ", snapno)) - else - out:write(format(".... SNAP #%-3d [ ", snapno)) - end - printsnap(tr, snap) - end -end - ------------------------------------------------------------------------------- - -local recprefix = "" -local recdepth = 0 - --- Format trace error message. -local function fmterr(err, info) - if type(err) == "number" then - if type(info) == "function" then info = fmtfunc(info) end - err = format(vmdef.traceerr[err], info) - end - return err -end - --- Dump trace states. -local function dump_trace(what, tr, func, pc, otr, oex) - if what == "stop" or (what == "abort" and dumpmode.a) then - if dumpmode.i then dump_ir(tr, dumpmode.s, dumpmode.r and what == "stop") - elseif dumpmode.s then dump_snap(tr) end - if dumpmode.m then dump_mcode(tr) end - end - if what == "start" then - if dumpmode.H then out:write('
\n') end
-    out:write("---- TRACE ", tr, " ", what)
-    if otr then out:write(" ", otr, "/", oex) end
-    out:write(" ", fmtfunc(func, pc), "\n")
-    recprefix = ""
-  elseif what == "stop" or what == "abort" then
-    out:write("---- TRACE ", tr, " ", what)
-    recprefix = nil
-    if what == "abort" then
-      out:write(" ", fmtfunc(func, pc), " -- ", fmterr(otr, oex), "\n")
-    else
-      local info = traceinfo(tr)
-      local link, ltype = info.link, info.linktype
-      if link == tr or link == 0 then
-	out:write(" -> ", ltype, "\n")
-      elseif ltype == "root" then
-	out:write(" -> ", link, "\n")
-      else
-	out:write(" -> ", link, " ", ltype, "\n")
-      end
-    end
-    if dumpmode.H then out:write("
\n\n") else out:write("\n") end - else - out:write("---- TRACE ", what, "\n\n") - end - out:flush() -end - --- Dump recorded bytecode. -local function dump_record(tr, func, pc, depth, callee) - if depth ~= recdepth then - recdepth = depth - recprefix = rep(" .", depth) - end - local line - if pc >= 0 then - line = bcline(func, pc, recprefix) - if dumpmode.H then line = gsub(line, "[<>&]", html_escape) end - else - line = "0000 "..recprefix.." FUNCC \n" - callee = func - end - if pc <= 0 then - out:write(sub(line, 1, -2), " ; ", fmtfunc(func), "\n") - else - out:write(line) - end - if pc >= 0 and band(funcbc(func, pc), 0xff) < 16 then -- ORDER BC - out:write(bcline(func, pc+1, recprefix)) -- Write JMP for cond. - end -end - ------------------------------------------------------------------------------- - --- Dump taken trace exits. -local function dump_texit(tr, ex, ngpr, nfpr, ...) - out:write("---- TRACE ", tr, " exit ", ex, "\n") - if dumpmode.X then - local regs = {...} - if jit.arch == "x64" then - for i=1,ngpr do - out:write(format(" %016x", regs[i])) - if i % 4 == 0 then out:write("\n") end - end - else - for i=1,ngpr do - out:write(format(" %08x", regs[i])) - if i % 8 == 0 then out:write("\n") end - end - end - for i=1,nfpr do - out:write(format(" %+17.14g", regs[ngpr+i])) - if i % 4 == 0 then out:write("\n") end - end - end -end - ------------------------------------------------------------------------------- - --- Detach dump handlers. -local function dumpoff() - if active then - active = false - jit.attach(dump_texit) - jit.attach(dump_record) - jit.attach(dump_trace) - if out and out ~= stdout and out ~= stderr then out:close() end - out = nil - end -end - --- Open the output file and attach dump handlers. -local function dumpon(opt, outfile) - if active then dumpoff() end - - local colormode = os.getenv("COLORTERM") and "A" or "T" - if opt then - opt = gsub(opt, "[TAH]", function(mode) colormode = mode; return ""; end) - end - - local m = { t=true, b=true, i=true, m=true, } - if opt and opt ~= "" then - local o = sub(opt, 1, 1) - if o ~= "+" and o ~= "-" then m = {} end - for i=1,#opt do m[sub(opt, i, i)] = (o ~= "-") end - end - dumpmode = m - - if m.t or m.b or m.i or m.s or m.m then - jit.attach(dump_trace, "trace") - end - if m.b then - jit.attach(dump_record, "record") - if not bcline then bcline = require("jit.bc").line end - end - if m.x or m.X then - jit.attach(dump_texit, "texit") - end - - if not outfile then outfile = os.getenv("LUAJIT_DUMPFILE") end - if outfile then - out = outfile == "-" and stdout or assert(io.open(outfile, "w")) - else - out = stdout - end - - m[colormode] = true - if colormode == "A" then - colorize = colorize_ansi - irtype = irtype_ansi - elseif colormode == "H" then - colorize = colorize_html - irtype = irtype_html - out:write(header_html) - else - colorize = colorize_text - irtype = irtype_text - end - - active = true -end - --- Public module functions. -module(...) - -on = dumpon -off = dumpoff -start = dumpon -- For -j command line option. - diff --git a/libraries/luajit-2.0/lib/v.lua b/libraries/luajit-2.0/lib/v.lua deleted file mode 100644 index ca9b4ac..0000000 --- a/libraries/luajit-2.0/lib/v.lua +++ /dev/null @@ -1,167 +0,0 @@ ----------------------------------------------------------------------------- --- Verbose mode of the LuaJIT compiler. --- --- Copyright (C) 2005-2011 Mike Pall. All rights reserved. --- Released under the MIT license. See Copyright Notice in luajit.h ----------------------------------------------------------------------------- --- --- This module shows verbose information about the progress of the --- JIT compiler. It prints one line for each generated trace. This module --- is useful to see which code has been compiled or where the compiler --- punts and falls back to the interpreter. --- --- Example usage: --- --- luajit -jv -e "for i=1,1000 do for j=1,1000 do end end" --- luajit -jv=myapp.out myapp.lua --- --- Default output is to stderr. To redirect the output to a file, pass a --- filename as an argument (use '-' for stdout) or set the environment --- variable LUAJIT_VERBOSEFILE. The file is overwritten every time the --- module is started. --- --- The output from the first example should look like this: --- --- [TRACE 1 (command line):1 loop] --- [TRACE 2 (1/3) (command line):1 -> 1] --- --- The first number in each line is the internal trace number. Next are --- the file name ('(command line)') and the line number (':1') where the --- trace has started. Side traces also show the parent trace number and --- the exit number where they are attached to in parentheses ('(1/3)'). --- An arrow at the end shows where the trace links to ('-> 1'), unless --- it loops to itself. --- --- In this case the inner loop gets hot and is traced first, generating --- a root trace. Then the last exit from the 1st trace gets hot, too, --- and triggers generation of the 2nd trace. The side trace follows the --- path along the outer loop and *around* the inner loop, back to its --- start, and then links to the 1st trace. Yes, this may seem unusual, --- if you know how traditional compilers work. Trace compilers are full --- of surprises like this -- have fun! :-) --- --- Aborted traces are shown like this: --- --- [TRACE --- foo.lua:44 -- leaving loop in root trace at foo:lua:50] --- --- Don't worry -- trace aborts are quite common, even in programs which --- can be fully compiled. The compiler may retry several times until it --- finds a suitable trace. --- --- Of course this doesn't work with features that are not-yet-implemented --- (NYI error messages). The VM simply falls back to the interpreter. This --- may not matter at all if the particular trace is not very high up in --- the CPU usage profile. Oh, and the interpreter is quite fast, too. --- --- Also check out the -jdump module, which prints all the gory details. --- ------------------------------------------------------------------------------- - --- Cache some library functions and objects. -local jit = require("jit") -assert(jit.version_num == 20000, "LuaJIT core/library version mismatch") -local jutil = require("jit.util") -local vmdef = require("jit.vmdef") -local funcinfo, traceinfo = jutil.funcinfo, jutil.traceinfo -local type, format = type, string.format -local stdout, stderr = io.stdout, io.stderr - --- Active flag and output file handle. -local active, out - ------------------------------------------------------------------------------- - -local startloc, startex - -local function fmtfunc(func, pc) - local fi = funcinfo(func, pc) - if fi.loc then - return fi.loc - elseif fi.ffid then - return vmdef.ffnames[fi.ffid] - elseif fi.addr then - return format("C:%x", fi.addr) - else - return "(?)" - end -end - --- Format trace error message. -local function fmterr(err, info) - if type(err) == "number" then - if type(info) == "function" then info = fmtfunc(info) end - err = format(vmdef.traceerr[err], info) - end - return err -end - --- Dump trace states. -local function dump_trace(what, tr, func, pc, otr, oex) - if what == "start" then - startloc = fmtfunc(func, pc) - startex = otr and "("..otr.."/"..oex..") " or "" - else - if what == "abort" then - local loc = fmtfunc(func, pc) - if loc ~= startloc then - out:write(format("[TRACE --- %s%s -- %s at %s]\n", - startex, startloc, fmterr(otr, oex), loc)) - else - out:write(format("[TRACE --- %s%s -- %s]\n", - startex, startloc, fmterr(otr, oex))) - end - elseif what == "stop" then - local info = traceinfo(tr) - local link, ltype = info.link, info.linktype - if ltype == "interpreter" then - out:write(format("[TRACE %3s %s%s -- fallback to interpreter]\n", - tr, startex, startloc)) - elseif link == tr or link == 0 then - out:write(format("[TRACE %3s %s%s %s]\n", - tr, startex, startloc, ltype)) - elseif ltype == "root" then - out:write(format("[TRACE %3s %s%s -> %d]\n", - tr, startex, startloc, link)) - else - out:write(format("[TRACE %3s %s%s -> %d %s]\n", - tr, startex, startloc, link, ltype)) - end - else - out:write(format("[TRACE %s]\n", what)) - end - out:flush() - end -end - ------------------------------------------------------------------------------- - --- Detach dump handlers. -local function dumpoff() - if active then - active = false - jit.attach(dump_trace) - if out and out ~= stdout and out ~= stderr then out:close() end - out = nil - end -end - --- Open the output file and attach dump handlers. -local function dumpon(outfile) - if active then dumpoff() end - if not outfile then outfile = os.getenv("LUAJIT_VERBOSEFILE") end - if outfile then - out = outfile == "-" and stdout or assert(io.open(outfile, "w")) - else - out = stderr - end - jit.attach(dump_trace, "trace") - active = true -end - --- Public module functions. -module(...) - -on = dumpon -off = dumpoff -start = dumpon -- For -j command line option. - diff --git a/libraries/luajit-2.0/src/.gitignore b/libraries/luajit-2.0/src/.gitignore deleted file mode 100644 index 8373308..0000000 --- a/libraries/luajit-2.0/src/.gitignore +++ /dev/null @@ -1,8 +0,0 @@ -luajit -buildvm -lj_bcdef.h -lj_ffdef.h -lj_libdef.h -lj_recdef.h -lj_folddef.h -lj_vm.s diff --git a/libraries/luajit-2.0/src/Makefile b/libraries/luajit-2.0/src/Makefile deleted file mode 100644 index 80991bf..0000000 --- a/libraries/luajit-2.0/src/Makefile +++ /dev/null @@ -1,633 +0,0 @@ -############################################################################## -# LuaJIT Makefile. Requires GNU Make. -# -# Please read doc/install.html before changing any variables! -# -# Suitable for POSIX platforms (Linux, *BSD, OSX etc.). -# Also works with MinGW and Cygwin on Windows. -# Please check msvcbuild.bat for building with MSVC on Windows. -# -# Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -############################################################################## - -MAJVER= 2 -MINVER= 0 -RELVER= 0 -ABIVER= 5.1 -NODOTABIVER= 51 - -############################################################################## -############################# COMPILER OPTIONS ############################# -############################################################################## -# These options mainly affect the speed of the JIT compiler itself, not the -# speed of the JIT-compiled code. Turn any of the optional settings on by -# removing the '#' in front of them. Make sure you force a full recompile -# with "make clean", followed by "make" if you change any options. -# -# LuaJIT builds as a native 32 or 64 bit binary by default. -CC= gcc -# -# Use this if you want to force a 32 bit build on a 64 bit multilib OS. -#CC= gcc -m32 -# -# Since the assembler part does NOT maintain a frame pointer, it's pointless -# to slow down the C part by not omitting it. Debugging, tracebacks and -# unwinding are not affected -- the assembler part has frame unwind -# information and GCC emits it where needed (x64) or with -g (see CCDEBUG). -CCOPT= -O2 -fomit-frame-pointer -# Use this if you want to generate a smaller binary (but it's slower): -#CCOPT= -Os -fomit-frame-pointer -# Note: it's no longer recommended to use -O3 with GCC 4.x. -# The I-Cache bloat usually outweighs the benefits from aggressive inlining. -# -# Target-specific compiler options: -# -# x86 only: it's recommended to compile at least for i686. By default the -# assembler part of the interpreter makes use of CMOV/FCOMI*/FUCOMI* -# instructions, anyway. -# -# x86/x64 only: For GCC 4.2 or higher and if you don't intend to distribute -# the binaries to a different machine you could also use: -march=native -# -CCOPT_X86= -march=i686 -CCOPT_X64= -CCOPT_ARM= -CCOPT_PPC= -CCOPT_PPCSPE= -CCOPT_MIPS= -# -CCDEBUG= -# Uncomment the next line to generate debug information: -#CCDEBUG= -g -# -CCWARN= -Wall -# Uncomment the next line to enable more warnings: -#CCWARN+= -Wextra -Wdeclaration-after-statement -Wredundant-decls -Wshadow -Wpointer-arith -# -############################################################################## - -############################################################################## -################################ BUILD MODE ################################ -############################################################################## -# The default build mode is mixed mode on POSIX. On Windows this is the same -# as dynamic mode. -# -# Mixed mode creates a static + dynamic library and a statically linked luajit. -BUILDMODE= mixed -# -# Static mode creates a static library and a statically linked luajit. -#BUILDMODE= static -# -# Dynamic mode creates a dynamic library and a dynamically linked luajit. -# Note: this executable will only run when the library is installed! -#BUILDMODE= dynamic -# -############################################################################## - -############################################################################## -################################# FEATURES ################################# -############################################################################## -# Enable/disable these features as needed, but make sure you force a full -# recompile with "make clean", followed by "make". -XCFLAGS= -# -# Permanently disable the FFI extension to reduce the size of the LuaJIT -# executable. But please consider that the FFI library is compiled-in, -# but NOT loaded by default. It only allocates any memory, if you actually -# make use of it. -#XCFLAGS+= -DLUAJIT_DISABLE_FFI -# -# Enable some upwards-compatible features from Lua 5.2 that are unlikely -# to break existing code (e.g. __pairs). Note that this does not provide -# full compatibility with Lua 5.2 at this time. -XCFLAGS+= -DLUAJIT_ENABLE_LUA52COMPAT -# -# Disable the JIT compiler, i.e. turn LuaJIT into a pure interpreter. -#XCFLAGS+= -DLUAJIT_DISABLE_JIT -# -# x86 only: use SSE2 instead of x87 instructions in the interpreter -# (always enabled for x64). A pure interpreter built with this flag won't -# run on older CPUs (before P4 or K8). There isn't much of a speed -# difference, so this is not enabled by default. -# The JIT compiler is not affected by this flag. It always uses runtime -# CPU feature detection before emitting code for SSE2 up to SSE4.1. -#XCFLAGS+= -DLUAJIT_CPU_SSE2 -# -# x86 only: Disable the use of CMOV and FCOMI*/FUCOMI* instructions in the -# interpreter. Do this only if you intend to use REALLY ANCIENT CPUs -# (before Pentium Pro, or on the VIA C3). This generally slows down the -# interpreter. Don't bother if your OS wouldn't run on them, anyway. -#XCFLAGS+= -DLUAJIT_CPU_NOCMOV -# -# Some architectures (e.g. PPC) can use either single-number (1) or -# dual-number (2) mode. Uncomment one of these lines to override the -# default mode. Please see LJ_ARCH_NUMMODE in lj_arch.h for details. -#XCFLAGS+= -DLUAJIT_NUMMODE=1 -XCFLAGS+= -DLUAJIT_NUMMODE=2 -# -############################################################################## - -############################################################################## -############################ DEBUGGING SUPPORT ############################# -############################################################################## -# Enable these options as needed, but make sure you force a full recompile -# with "make clean", followed by "make". -# Note that most of these are NOT suitable for benchmarking or release mode! -# -# Use the system provided memory allocator (realloc) instead of the -# bundled memory allocator. This is slower, but sometimes helpful for -# debugging. It's helpful for Valgrind's memcheck tool, too. This option -# cannot be enabled on x64, since the built-in allocator is mandatory. -#XCFLAGS+= -DLUAJIT_USE_SYSMALLOC -# -# This define is required to run LuaJIT under Valgrind. The Valgrind -# header files must be installed. You should enable debug information, too. -#XCFLAGS+= -DLUAJIT_USE_VALGRIND -# -# This is the client for the GDB JIT API. GDB 7.0 or higher is required -# to make use of it. See lj_gdbjit.c for details. Enabling this causes -# a non-negligible overhead, even when not running under GDB. -#XCFLAGS+= -DLUAJIT_USE_GDBJIT -# -# Turn on assertions for the Lua/C API to debug problems with lua_* calls. -# This is rather slow -- use only while developing C libraries/embeddings. -#XCFLAGS+= -DLUA_USE_APICHECK -# -# Turn on assertions for the whole LuaJIT VM. This significantly slows down -# everything. Use only if you suspect a problem with LuaJIT itself. -#XCFLAGS+= -DLUA_USE_ASSERT -# -############################################################################## -# You probably don't need to change anything below this line! -############################################################################## - -############################################################################## -# Flags and options for host and target. -############################################################################## - -# You can override the following variables at the make command line: -# CC HOST_CC STATIC_CC DYNAMIC_CC -# CFLAGS HOST_CFLAGS TARGET_CFLAGS -# LDFLAGS HOST_LDFLAGS TARGET_LDFLAGS TARGET_SHLDFLAGS -# LIBS HOST_LIBS TARGET_LIBS -# CROSS HOST_SYS TARGET_SYS TARGET_FLAGS -# -# Cross-compilation examples: -# make HOST_CC="gcc -m32" CROSS=i586-mingw32msvc- TARGET_SYS=Windows -# make HOST_CC="gcc -m32" CROSS=powerpc-linux-gnu- - -CCOPTIONS= $(CCDEBUG) $(CCOPT) $(CCWARN) $(XCFLAGS) $(CFLAGS) -LDOPTIONS= $(CCDEBUG) $(LDFLAGS) - -HOST_CC= $(CC) -HOST_RM= rm -f -# NOTE: The LuaJIT distribution comes with pre-generated buildvm_*.h files. -# You DO NOT NEED an installed copy of (plain) Lua 5.1 to run DynASM unless -# you want to MODIFY the corresponding *.dasc file. You can also use LuaJIT -# itself (bootstrapped from a pre-generated file) to run DynASM of course. -HOST_LUA= lua - -HOST_XCFLAGS= -HOST_XLDFLAGS= -HOST_XLIBS= -HOST_ACFLAGS= $(CCOPTIONS) $(HOST_XCFLAGS) $(TARGET_ARCH) $(HOST_CFLAGS) -HOST_ALDFLAGS= $(LDOPTIONS) $(HOST_XLDFLAGS) $(HOST_LDFLAGS) -HOST_ALIBS= $(HOST_XLIBS) $(LIBS) $(HOST_LIBS) - -STATIC_CC = $(CROSS)$(CC) -DYNAMIC_CC = $(CROSS)$(CC) -fPIC -TARGET_CC= $(STATIC_CC) -TARGET_STCC= $(STATIC_CC) -TARGET_DYNCC= $(DYNAMIC_CC) -TARGET_LD= $(CROSS)$(CC) -TARGET_AR= $(CROSS)ar rcus -TARGET_STRIP= $(CROSS)strip - -TARGET_SONAME= libluajit-$(ABIVER).so.$(MAJVER) -TARGET_DYLIBNAME= libluajit-$(NODOTABIVER).$(MAJVER).dylib -TARGET_DYLIBPATH= $(or $(PREFIX),/usr/local)/lib/$(TARGET_DYLIBNAME) -TARGET_DLLNAME= lua$(NODOTABIVER).dll -TARGET_XSHLDFLAGS= -shared -fPIC -Wl,-soname,$(TARGET_SONAME) -TARGET_DYNXLDOPTS= - -TARGET_XCFLAGS= -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U_FORTIFY_SOURCE -TARGET_XLDFLAGS= -TARGET_XLIBS= -lm -TARGET_TCFLAGS= $(CCOPTIONS) $(TARGET_XCFLAGS) $(TARGET_FLAGS) $(TARGET_CFLAGS) -TARGET_ACFLAGS= $(CCOPTIONS) $(TARGET_XCFLAGS) $(TARGET_ARCH) $(TARGET_FLAGS) $(TARGET_CFLAGS) -TARGET_ALDFLAGS= $(LDOPTIONS) $(TARGET_XLDFLAGS) $(TARGET_FLAGS) $(TARGET_LDFLAGS) -TARGET_ASHLDFLAGS= $(LDOPTIONS) $(TARGET_XSHLDFLAGS) $(TARGET_FLAGS) $(TARGET_SHLDFLAGS) -TARGET_ALIBS= $(TARGET_XLIBS) $(LIBS) $(TARGET_LIBS) - -ifneq (,$(findstring stack-protector,$(shell $(TARGET_CC) -dumpspecs))) - TARGET_XCFLAGS+= -fno-stack-protector -endif - -TARGET_TESTARCH=$(shell $(TARGET_CC) $(TARGET_TCFLAGS) -E lj_arch.h -dM) -ifneq (,$(findstring LJ_TARGET_X64 ,$(TARGET_TESTARCH))) - TARGET_CCARCH= x64 - TARGET_XCFLAGS+= $(CCOPT_X64) -else -ifneq (,$(findstring LJ_TARGET_X86 ,$(TARGET_TESTARCH))) - TARGET_CCARCH= x86 - TARGET_XCFLAGS+= $(CCOPT_X86) -else -ifneq (,$(findstring LJ_TARGET_ARM ,$(TARGET_TESTARCH))) - TARGET_CCARCH= arm - TARGET_XCFLAGS+= $(CCOPT_ARM) -else -ifneq (,$(findstring LJ_TARGET_PPC ,$(TARGET_TESTARCH))) - TARGET_CCARCH= ppc - TARGET_XCFLAGS+= $(CCOPT_PPC) -else -ifneq (,$(findstring LJ_TARGET_PPCSPE ,$(TARGET_TESTARCH))) - TARGET_CCARCH= ppcspe - TARGET_XCFLAGS+= $(CCOPT_PPCSPE) -else -ifneq (,$(findstring LJ_TARGET_MIPS ,$(TARGET_TESTARCH))) - ifneq (,$(findstring MIPSEL ,$(TARGET_TESTARCH))) - TARGET_ARCH= -D__MIPSEL__=1 - endif - TARGET_CCARCH= mips - TARGET_XCFLAGS+= $(CCOPT_MIPS) -else - $(error Unsupported target architecture) -endif -endif -endif -endif -endif -endif - -TARGET_ARCH+= $(patsubst %,-DLUAJIT_TARGET=LUAJIT_ARCH_%,$(TARGET_CCARCH)) - -ifneq (,$(PREFIX)) -ifneq (/usr/local,$(PREFIX)) - TARGET_XCFLAGS+= -DLUA_XROOT=\"$(PREFIX)/\" - ifneq (/usr,$(PREFIX)) - TARGET_DYNXLDOPTS= -Wl,-rpath,$(PREFIX)/lib - endif -endif -endif - -############################################################################## -# System detection. -############################################################################## - -ifneq (,$(findstring Windows,$(OS))) - HOST_SYS= Windows -else - HOST_SYS:= $(shell uname -s) - ifneq (,$(findstring CYGWIN,$(TARGET_SYS))) - HOST_SYS= Windows - endif -endif -ifeq (Windows,$(HOST_SYS)) - HOST_RM= del -endif - -TARGET_SYS= $(HOST_SYS) -ifeq (Windows,$(TARGET_SYS)) - TARGET_STRIP+= --strip-unneeded - TARGET_XSHLDFLAGS= -shared - TARGET_DYNXLDOPTS= -else -ifeq (Darwin,$(TARGET_SYS)) - export MACOSX_DEPLOYMENT_TARGET=10.4 - TARGET_STRIP+= -x - TARGET_AR+= 2>/dev/null - TARGET_XSHLDFLAGS= -dynamiclib -single_module -undefined dynamic_lookup -fPIC - TARGET_DYNXLDOPTS= - TARGET_XSHLDFLAGS+= -install_name $(TARGET_DYLIBPATH) -compatibility_version $(MAJVER).$(MINVER) -current_version $(MAJVER).$(MINVER).$(RELVER) - ifeq (x64,$(TARGET_CCARCH)) - TARGET_XLDFLAGS+= -pagezero_size 10000 -image_base 100000000 - TARGET_XSHLDFLAGS+= -image_base 7fff04c4a000 - endif -else -ifeq (iOS,$(TARGET_SYS)) - TARGET_STRIP+= -x - TARGET_AR+= 2>/dev/null - TARGET_XSHLDFLAGS= -dynamiclib -single_module -undefined dynamic_lookup -fPIC - TARGET_DYNXLDOPTS= - TARGET_XSHLDFLAGS+= -install_name $(TARGET_DYLIBPATH) -compatibility_version $(MAJVER).$(MINVER) -current_version $(MAJVER).$(MINVER).$(RELVER) -else - ifneq (SunOS,$(TARGET_SYS)) - TARGET_XLDFLAGS+= -Wl,-E - endif - ifeq (Linux,$(TARGET_SYS)) - TARGET_XLIBS+= -ldl - endif - ifeq (GNU/kFreeBSD,$(TARGET_SYS)) - TARGET_XLIBS+= -ldl - endif -endif -endif -endif - -ifneq ($(HOST_SYS),$(TARGET_SYS)) - ifeq (Windows,$(TARGET_SYS)) - HOST_XCFLAGS+= -malign-double -DLUAJIT_OS=LUAJIT_OS_WINDOWS - else - ifeq (Linux,$(TARGET_SYS)) - HOST_XCFLAGS+= -DLUAJIT_OS=LUAJIT_OS_LINUX - else - ifeq (Darwin,$(TARGET_SYS)) - HOST_XCFLAGS+= -DLUAJIT_OS=LUAJIT_OS_OSX - else - ifeq (iOS,$(TARGET_SYS)) - HOST_XCFLAGS+= -DLUAJIT_OS=LUAJIT_OS_OSX - else - HOST_XCFLAGS+= -DLUAJIT_OS=LUAJIT_OS_OTHER - endif - endif - endif - endif -endif - -ifneq (,$(CCDEBUG)) - TARGET_STRIP= @: -endif - -############################################################################## -# Files and pathnames. -############################################################################## - -DASM_DIR= ../dynasm -DASM= $(HOST_LUA) $(DASM_DIR)/dynasm.lua -DASM_FLAGS= -DASM_DISTFLAGS= -LN -DASM_FLAGS_X86= -DASM_FLAGS_X64= -D X64 -DASM_FLAGS_X64WIN= -D X64 -D X64WIN -DASM_FLAGS_ARM= -DASM_FLAGS_PPC= -DASM_FLAGS_PPCSPE= -DASM_FLAGS_MIPS= - -BUILDVM_O= buildvm.o buildvm_asm.o buildvm_peobj.o buildvm_lib.o buildvm_fold.o -BUILDVM_T= buildvm -BUILDVM_X= ./$(BUILDVM_T) - -HOST_O= $(BUILDVM_O) -HOST_T= $(BUILDVM_T) - -LJVM_S= lj_vm.s -LJVM_O= lj_vm.o -LJVM_BOUT= $(LJVM_S) -LJVM_MODE= elfasm - -LJLIB_O= lib_base.o lib_math.o lib_bit.o lib_string.o lib_table.o \ - lib_io.o lib_os.o lib_package.o lib_debug.o lib_jit.o lib_ffi.o -LJLIB_C= $(LJLIB_O:.o=.c) - -LJCORE_O= lj_gc.o lj_err.o lj_char.o lj_bc.o lj_obj.o \ - lj_str.o lj_tab.o lj_func.o lj_udata.o lj_meta.o lj_debug.o \ - lj_state.o lj_dispatch.o lj_vmevent.o lj_vmmath.o lj_api.o \ - lj_lex.o lj_parse.o lj_bcread.o lj_bcwrite.o \ - lj_ir.o lj_opt_mem.o lj_opt_fold.o lj_opt_narrow.o \ - lj_opt_dce.o lj_opt_loop.o lj_opt_split.o \ - lj_mcode.o lj_snap.o lj_record.o lj_crecord.o lj_ffrecord.o \ - lj_asm.o lj_trace.o lj_gdbjit.o \ - lj_ctype.o lj_cdata.o lj_cconv.o lj_ccall.o lj_ccallback.o \ - lj_carith.o lj_clib.o lj_cparse.o \ - lj_lib.o lj_alloc.o lib_aux.o \ - $(LJLIB_O) lib_init.o - -LJVMCORE_O= $(LJVM_O) $(LJCORE_O) -LJVMCORE_DYNO= $(LJVMCORE_O:.o=_dyn.o) - -LIB_VMDEF= ../lib/vmdef.lua -LIB_VMDEFP= $(LIB_VMDEF) - -LUAJIT_O= luajit.o -LUAJIT_A= libluajit.a -LUAJIT_SO= libluajit.so -LUAJIT_T= luajit - -ALL_T= $(LUAJIT_T) $(LUAJIT_A) $(LUAJIT_SO) $(BUILDVM_T) -ALL_HDRGEN= lj_bcdef.h lj_ffdef.h lj_libdef.h lj_recdef.h lj_folddef.h -ALL_GEN= $(LJVM_S) $(ALL_HDRGEN) $(LIB_VMDEFP) -ALL_DYNGEN= buildvm_x86.h buildvm_x64.h buildvm_x64win.h buildvm_arm.h \ - buildvm_ppc.h buildvm_ppcspe.h -###ALL_DYNGEN+= buildvm_mips.h -WIN_RM= *.obj *.lib *.exp *.dll *.exe *.manifest *.pdb *.ilk -ALL_RM= $(ALL_T) $(ALL_GEN) *.o $(WIN_RM) - -############################################################################## -# Build mode handling. -############################################################################## - -# Mixed mode defaults. -TARGET_O= $(LUAJIT_A) -TARGET_T= $(LUAJIT_T) $(LUAJIT_SO) -TARGET_DEP= $(LIB_VMDEF) $(LUAJIT_SO) - -ifeq (Windows,$(HOST_SYS)) - BUILDVM_T= buildvm.exe - LIB_VMDEFP= $(subst /,\\,$(LIB_VMDEF)) -endif -ifeq (Windows,$(TARGET_SYS)) - TARGET_DYNCC= $(STATIC_CC) - LJVM_MODE= coffasm - LUAJIT_SO= $(TARGET_DLLNAME) - LUAJIT_T= luajit.exe - # Mixed mode is not supported on Windows. And static mode doesn't work well. - # C modules cannot be loaded, because they bind to lua51.dll. - ifneq (static,$(BUILDMODE)) - BUILDMODE= dynamic - TARGET_XCFLAGS+= -DLUA_BUILD_AS_DLL - endif -endif -ifeq (Darwin,$(TARGET_SYS)) - LJVM_MODE= machasm -endif -ifeq (iOS,$(TARGET_SYS)) - LJVM_MODE= machasm -endif -ifeq (SunOS,$(TARGET_SYS)) - BUILDMODE= static -endif - -ifeq (static,$(BUILDMODE)) - TARGET_DYNCC= @: - TARGET_T= $(LUAJIT_T) - TARGET_DEP= $(LIB_VMDEF) -else -ifeq (dynamic,$(BUILDMODE)) - ifneq (Windows,$(TARGET_SYS)) - TARGET_CC= $(DYNAMIC_CC) - endif - TARGET_DYNCC= @: - LJVMCORE_DYNO= $(LJVMCORE_O) - TARGET_O= $(LUAJIT_SO) - TARGET_XLDFLAGS+= $(TARGET_DYNXLDOPTS) -else -ifeq (Darwin,$(TARGET_SYS)) - TARGET_DYNCC= @: - LJVMCORE_DYNO= $(LJVMCORE_O) -endif -ifeq (iOS,$(TARGET_SYS)) - TARGET_DYNCC= @: - LJVMCORE_DYNO= $(LJVMCORE_O) -endif -endif -endif - -Q= @ -E= @echo -#Q= -#E= @: - -############################################################################## -# Make targets. -############################################################################## - -default all: $(TARGET_T) - -amalg: - @grep "^[+|]" ljamalg.c - $(MAKE) all "LJCORE_O=ljamalg.o" - -clean: - $(HOST_RM) $(ALL_RM) - -cleaner: - $(HOST_RM) $(ALL_RM) $(ALL_DYNGEN) - -distclean: clean - $(E) "DYNASM $@" - $(Q)$(DASM) $(DASM_DISTFLAGS) $(DASM_FLAGS_X86) -o buildvm_x86.h buildvm_x86.dasc - $(Q)$(DASM) $(DASM_DISTFLAGS) $(DASM_FLAGS_X64) -o buildvm_x64.h buildvm_x86.dasc - $(Q)$(DASM) $(DASM_DISTFLAGS) $(DASM_FLAGS_X64WIN) -o buildvm_x64win.h buildvm_x86.dasc - $(Q)$(DASM) $(DASM_DISTFLAGS) $(DASM_FLAGS_ARM) -o buildvm_arm.h buildvm_arm.dasc - $(Q)$(DASM) $(DASM_DISTFLAGS) $(DASM_FLAGS_PPC) -o buildvm_ppc.h buildvm_ppc.dasc - $(Q)$(DASM) $(DASM_DISTFLAGS) $(DASM_FLAGS_PPCSPE) -o buildvm_ppcspe.h buildvm_ppcspe.dasc - @### $(Q)$(DASM) $(DASM_DISTFLAGS) $(DASM_FLAGS_MIPS) -o buildvm_mips.h buildvm_mips.dasc - -depend: - @for file in $(ALL_HDRGEN) $(ALL_DYNGEN); do \ - test -f $$file || touch $$file; \ - done - @$(HOST_CC) $(HOST_ACFLAGS) -MM *.c | \ - sed -e "s| [^ ]*/dasm_\S*\.h||g" \ - -e "s| buildvm_\S*\.h||g" \ - -e "s| lj_target_\S*\.h| lj_target_*.h|g" \ - -e "s| lj_emit_\S*\.h| lj_emit_*.h|g" \ - -e "s| lj_asm_\S*\.h| lj_asm_*.h|g" >Makefile.dep - @for file in $(ALL_HDRGEN) $(ALL_DYNGEN); do \ - test -s $$file || $(HOST_RM) $$file; \ - done - -.PHONY: default all amalg clean cleaner distclean depend - -############################################################################## -# Rules for generated files. -############################################################################## - -buildvm_x86.h: buildvm_x86.dasc - $(E) "DYNASM $@" - $(Q)$(DASM) $(DASM_FLAGS) $(DASM_FLAGS_X86) -o $@ buildvm_x86.dasc - -buildvm_x64.h: buildvm_x86.dasc - $(E) "DYNASM $@" - $(Q)$(DASM) $(DASM_FLAGS) $(DASM_FLAGS_X64) -o $@ buildvm_x86.dasc - -buildvm_x64win.h: buildvm_x86.dasc - $(E) "DYNASM $@" - $(Q)$(DASM) $(DASM_FLAGS) $(DASM_FLAGS_X64WIN) -o $@ buildvm_x86.dasc - -buildvm_arm.h: buildvm_arm.dasc - $(E) "DYNASM $@" - $(Q)$(DASM) $(DASM_FLAGS) $(DASM_FLAGS_ARM) -o $@ buildvm_arm.dasc - -buildvm_ppc.h: buildvm_ppc.dasc - $(E) "DYNASM $@" - $(Q)$(DASM) $(DASM_FLAGS) $(DASM_FLAGS_PPC) -o $@ buildvm_ppc.dasc - -buildvm_ppcspe.h: buildvm_ppcspe.dasc - $(E) "DYNASM $@" - $(Q)$(DASM) $(DASM_FLAGS) $(DASM_FLAGS_PPCSPE) -o $@ buildvm_ppcspe.dasc - -buildvm_mips.h: buildvm_mips.dasc - $(E) "DYNASM $@" - $(Q)$(DASM) $(DASM_FLAGS) $(DASM_FLAGS_MIPS) -o $@ buildvm_mips.dasc - -buildvm.o: $(ALL_DYNGEN) $(DASM_DIR)/dasm_*.h - -$(BUILDVM_T): $(BUILDVM_O) - $(E) "HOSTLINK $@" - $(Q)$(HOST_CC) $(HOST_ALDFLAGS) -o $@ $(BUILDVM_O) $(HOST_ALIBS) - -$(LJVM_BOUT): $(BUILDVM_T) - $(E) "BUILDVM $@" - $(Q)$(BUILDVM_X) -m $(LJVM_MODE) -o $@ - -lj_bcdef.h: $(BUILDVM_T) $(LJLIB_C) - $(E) "BUILDVM $@" - $(Q)$(BUILDVM_X) -m bcdef -o $@ $(LJLIB_C) - -lj_ffdef.h: $(BUILDVM_T) $(LJLIB_C) - $(E) "BUILDVM $@" - $(Q)$(BUILDVM_X) -m ffdef -o $@ $(LJLIB_C) - -lj_libdef.h: $(BUILDVM_T) $(LJLIB_C) - $(E) "BUILDVM $@" - $(Q)$(BUILDVM_X) -m libdef -o $@ $(LJLIB_C) - -lj_recdef.h: $(BUILDVM_T) $(LJLIB_C) - $(E) "BUILDVM $@" - $(Q)$(BUILDVM_X) -m recdef -o $@ $(LJLIB_C) - -$(LIB_VMDEF): $(BUILDVM_T) $(LJLIB_C) - $(E) "BUILDVM $@" - $(Q)$(BUILDVM_X) -m vmdef -o $(LIB_VMDEFP) $(LJLIB_C) - -lj_folddef.h: $(BUILDVM_T) lj_opt_fold.c - $(E) "BUILDVM $@" - $(Q)$(BUILDVM_X) -m folddef -o $@ lj_opt_fold.c - -############################################################################## -# Object file rules. -############################################################################## - -%.o: %.c - $(E) "CC $@" - $(Q)$(TARGET_DYNCC) $(TARGET_ACFLAGS) -c -o $(@:.o=_dyn.o) $< - $(Q)$(TARGET_CC) $(TARGET_ACFLAGS) -c -o $@ $< - -%.o: %.s - $(E) "ASM $@" - $(Q)$(TARGET_DYNCC) $(TARGET_ACFLAGS) -c -o $(@:.o=_dyn.o) $< - $(Q)$(TARGET_CC) $(TARGET_ACFLAGS) -c -o $@ $< - -$(LUAJIT_O): - $(E) "CC $@" - $(Q)$(TARGET_STCC) $(TARGET_ACFLAGS) -c -o $@ $< - -$(HOST_O): %.o: %.c - $(E) "HOSTCC $@" - $(Q)$(HOST_CC) $(HOST_ACFLAGS) -c -o $@ $< - -include Makefile.dep - -############################################################################## -# Target file rules. -############################################################################## - -$(LUAJIT_A): $(LJVMCORE_O) - $(E) "AR $@" - $(Q)$(TARGET_AR) $@ $(LJVMCORE_O) - -# The dependency on _O, but linking with _DYNO is intentional. -$(LUAJIT_SO): $(LJVMCORE_O) - $(E) "DYNLINK $@" - $(Q)$(TARGET_LD) $(TARGET_ASHLDFLAGS) -o $@ $(LJVMCORE_DYNO) $(TARGET_ALIBS) - $(Q)$(TARGET_STRIP) $@ - -$(LUAJIT_T): $(TARGET_O) $(LUAJIT_O) $(TARGET_DEP) - $(E) "LINK $@" - $(Q)$(TARGET_LD) $(TARGET_ALDFLAGS) -o $@ $(LUAJIT_O) $(TARGET_O) $(TARGET_ALIBS) - $(Q)$(TARGET_STRIP) $@ - $(E) "OK Successfully built LuaJIT" - -############################################################################## diff --git a/libraries/luajit-2.0/src/Makefile.dep b/libraries/luajit-2.0/src/Makefile.dep deleted file mode 100644 index add7508..0000000 --- a/libraries/luajit-2.0/src/Makefile.dep +++ /dev/null @@ -1,207 +0,0 @@ -buildvm.o: buildvm.c buildvm.h lj_def.h lua.h luaconf.h lj_arch.h \ - lj_obj.h lj_gc.h lj_bc.h lj_ir.h lj_ircall.h lj_jit.h lj_frame.h \ - lj_dispatch.h lj_ctype.h lj_ccall.h luajit.h \ - lj_traceerr.h -buildvm_asm.o: buildvm_asm.c buildvm.h lj_def.h lua.h luaconf.h lj_arch.h \ - lj_bc.h -buildvm_fold.o: buildvm_fold.c buildvm.h lj_def.h lua.h luaconf.h \ - lj_arch.h lj_obj.h lj_ir.h -buildvm_lib.o: buildvm_lib.c buildvm.h lj_def.h lua.h luaconf.h lj_arch.h \ - lj_obj.h lj_lib.h -buildvm_peobj.o: buildvm_peobj.c buildvm.h lj_def.h lua.h luaconf.h \ - lj_arch.h lj_bc.h -lib_aux.o: lib_aux.c lua.h luaconf.h lauxlib.h lj_obj.h lj_def.h \ - lj_arch.h lj_err.h lj_errmsg.h lj_state.h lj_lib.h lj_alloc.h -lib_base.o: lib_base.c lua.h luaconf.h lauxlib.h lualib.h lj_obj.h \ - lj_def.h lj_arch.h lj_gc.h lj_err.h lj_errmsg.h lj_debug.h lj_str.h \ - lj_tab.h lj_meta.h lj_state.h lj_ctype.h lj_cconv.h lj_bc.h lj_ff.h \ - lj_ffdef.h lj_dispatch.h lj_jit.h lj_ir.h lj_char.h lj_lib.h lj_libdef.h -lib_bit.o: lib_bit.c lua.h luaconf.h lauxlib.h lualib.h lj_obj.h lj_def.h \ - lj_arch.h lj_err.h lj_errmsg.h lj_str.h lj_lib.h lj_libdef.h -lib_debug.o: lib_debug.c lua.h luaconf.h lauxlib.h lualib.h lj_obj.h \ - lj_def.h lj_arch.h lj_err.h lj_errmsg.h lj_lib.h lj_libdef.h -lib_ffi.o: lib_ffi.c lua.h luaconf.h lauxlib.h lualib.h lj_obj.h lj_def.h \ - lj_arch.h lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_meta.h \ - lj_ctype.h lj_cparse.h lj_cdata.h lj_cconv.h lj_carith.h lj_ccall.h \ - lj_ccallback.h lj_clib.h lj_ff.h lj_ffdef.h lj_lib.h lj_libdef.h -lib_init.o: lib_init.c lua.h luaconf.h lauxlib.h lualib.h lj_arch.h -lib_io.o: lib_io.c lua.h luaconf.h lauxlib.h lualib.h lj_obj.h lj_def.h \ - lj_arch.h lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_ff.h lj_ffdef.h \ - lj_trace.h lj_jit.h lj_ir.h lj_dispatch.h lj_bc.h lj_traceerr.h lj_lib.h \ - lj_libdef.h -lib_jit.o: lib_jit.c lua.h luaconf.h lauxlib.h lualib.h lj_arch.h \ - lj_obj.h lj_def.h lj_err.h lj_errmsg.h lj_debug.h lj_str.h lj_tab.h \ - lj_bc.h lj_ir.h lj_jit.h lj_ircall.h lj_iropt.h lj_target.h \ - lj_target_*.h lj_dispatch.h lj_vm.h lj_vmevent.h lj_lib.h luajit.h \ - lj_libdef.h -lib_math.o: lib_math.c lua.h luaconf.h lauxlib.h lualib.h lj_obj.h \ - lj_def.h lj_arch.h lj_lib.h lj_vm.h lj_libdef.h -lib_os.o: lib_os.c lua.h luaconf.h lauxlib.h lualib.h lj_obj.h lj_def.h \ - lj_arch.h lj_err.h lj_errmsg.h lj_lib.h lj_libdef.h -lib_package.o: lib_package.c lua.h luaconf.h lauxlib.h lualib.h lj_obj.h \ - lj_def.h lj_arch.h lj_err.h lj_errmsg.h lj_lib.h -lib_string.o: lib_string.c lua.h luaconf.h lauxlib.h lualib.h lj_obj.h \ - lj_def.h lj_arch.h lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_tab.h \ - lj_state.h lj_ff.h lj_ffdef.h lj_bcdump.h lj_lex.h lj_char.h lj_lib.h \ - lj_libdef.h -lib_table.o: lib_table.c lua.h luaconf.h lauxlib.h lualib.h lj_obj.h \ - lj_def.h lj_arch.h lj_gc.h lj_err.h lj_errmsg.h lj_tab.h lj_lib.h \ - lj_libdef.h -lj_alloc.o: lj_alloc.c lj_def.h lua.h luaconf.h lj_arch.h lj_alloc.h -lj_api.o: lj_api.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_gc.h \ - lj_err.h lj_errmsg.h lj_debug.h lj_str.h lj_tab.h lj_func.h lj_udata.h \ - lj_meta.h lj_state.h lj_bc.h lj_frame.h lj_trace.h lj_jit.h lj_ir.h \ - lj_dispatch.h lj_traceerr.h lj_vm.h lj_lex.h lj_bcdump.h lj_parse.h -lj_asm.o: lj_asm.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_gc.h \ - lj_str.h lj_tab.h lj_frame.h lj_bc.h lj_ctype.h lj_ir.h lj_jit.h \ - lj_ircall.h lj_iropt.h lj_mcode.h lj_trace.h lj_dispatch.h lj_traceerr.h \ - lj_snap.h lj_asm.h lj_vm.h lj_target.h lj_target_*.h lj_emit_*.h \ - lj_asm_*.h -lj_bc.o: lj_bc.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_bc.h \ - lj_bcdef.h -lj_bcread.o: lj_bcread.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_bc.h lj_ctype.h \ - lj_cdata.h lj_lex.h lj_bcdump.h lj_state.h -lj_bcwrite.o: lj_bcwrite.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_str.h lj_bc.h lj_ctype.h lj_dispatch.h lj_jit.h lj_ir.h \ - lj_bcdump.h lj_lex.h lj_err.h lj_errmsg.h lj_vm.h -lj_carith.o: lj_carith.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_err.h lj_errmsg.h lj_tab.h lj_meta.h lj_ctype.h lj_cconv.h \ - lj_cdata.h lj_carith.h -lj_ccall.o: lj_ccall.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_ctype.h lj_cconv.h \ - lj_cdata.h lj_ccall.h lj_trace.h lj_jit.h lj_ir.h lj_dispatch.h lj_bc.h \ - lj_traceerr.h -lj_ccallback.o: lj_ccallback.c lj_obj.h lua.h luaconf.h lj_def.h \ - lj_arch.h lj_gc.h lj_err.h lj_errmsg.h lj_tab.h lj_state.h lj_frame.h \ - lj_bc.h lj_ctype.h lj_cconv.h lj_ccall.h lj_ccallback.h lj_target.h \ - lj_target_*.h lj_mcode.h lj_jit.h lj_ir.h lj_vm.h -lj_cconv.o: lj_cconv.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_err.h lj_errmsg.h lj_tab.h lj_ctype.h lj_gc.h lj_cdata.h lj_cconv.h \ - lj_ccallback.h -lj_cdata.o: lj_cdata.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_ctype.h lj_cconv.h \ - lj_cdata.h -lj_char.o: lj_char.c lj_char.h lj_def.h lua.h luaconf.h -lj_clib.o: lj_clib.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_gc.h \ - lj_err.h lj_errmsg.h lj_tab.h lj_str.h lj_udata.h lj_ctype.h lj_cconv.h \ - lj_cdata.h lj_clib.h -lj_cparse.o: lj_cparse.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_ctype.h lj_cparse.h lj_frame.h \ - lj_bc.h lj_vm.h lj_char.h -lj_crecord.o: lj_crecord.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_frame.h lj_bc.h lj_ctype.h \ - lj_gc.h lj_cdata.h lj_cparse.h lj_cconv.h lj_clib.h lj_ccall.h lj_ir.h \ - lj_jit.h lj_ircall.h lj_iropt.h lj_trace.h lj_dispatch.h lj_traceerr.h \ - lj_record.h lj_ffrecord.h lj_snap.h lj_crecord.h -lj_ctype.o: lj_ctype.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_ctype.h lj_ccallback.h -lj_debug.o: lj_debug.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_err.h lj_errmsg.h lj_debug.h lj_str.h lj_tab.h lj_state.h lj_frame.h \ - lj_bc.h lj_jit.h lj_ir.h -lj_dispatch.o: lj_dispatch.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_err.h lj_errmsg.h lj_debug.h lj_state.h lj_frame.h lj_bc.h lj_ff.h \ - lj_ffdef.h lj_jit.h lj_ir.h lj_trace.h lj_dispatch.h lj_traceerr.h \ - lj_vm.h luajit.h -lj_err.o: lj_err.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_err.h \ - lj_errmsg.h lj_debug.h lj_str.h lj_func.h lj_state.h lj_frame.h lj_bc.h \ - lj_ff.h lj_ffdef.h lj_trace.h lj_jit.h lj_ir.h lj_dispatch.h \ - lj_traceerr.h lj_vm.h -lj_ffrecord.o: lj_ffrecord.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_frame.h lj_bc.h lj_ff.h \ - lj_ffdef.h lj_ir.h lj_jit.h lj_ircall.h lj_iropt.h lj_trace.h \ - lj_dispatch.h lj_traceerr.h lj_record.h lj_ffrecord.h lj_crecord.h \ - lj_vm.h lj_recdef.h -lj_func.o: lj_func.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_gc.h \ - lj_func.h lj_trace.h lj_jit.h lj_ir.h lj_dispatch.h lj_bc.h \ - lj_traceerr.h lj_vm.h -lj_gc.o: lj_gc.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_gc.h \ - lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_func.h lj_udata.h lj_meta.h \ - lj_state.h lj_frame.h lj_bc.h lj_ctype.h lj_cdata.h lj_trace.h lj_jit.h \ - lj_ir.h lj_dispatch.h lj_traceerr.h lj_vm.h -lj_gdbjit.o: lj_gdbjit.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_err.h lj_errmsg.h lj_debug.h lj_frame.h lj_bc.h lj_jit.h \ - lj_ir.h lj_dispatch.h -lj_ir.o: lj_ir.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_gc.h \ - lj_str.h lj_tab.h lj_ir.h lj_jit.h lj_ircall.h lj_iropt.h lj_trace.h \ - lj_dispatch.h lj_bc.h lj_traceerr.h lj_ctype.h lj_cdata.h lj_carith.h \ - lj_vm.h lj_lib.h -lj_lex.o: lj_lex.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_gc.h \ - lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_ctype.h lj_cdata.h lualib.h \ - lj_state.h lj_lex.h lj_parse.h lj_char.h -lj_lib.o: lj_lib.c lauxlib.h lua.h luaconf.h lj_obj.h lj_def.h lj_arch.h \ - lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_func.h lj_bc.h \ - lj_dispatch.h lj_jit.h lj_ir.h lj_vm.h lj_lib.h -lj_mcode.o: lj_mcode.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_jit.h lj_ir.h lj_mcode.h lj_trace.h lj_dispatch.h lj_bc.h \ - lj_traceerr.h lj_vm.h -lj_meta.o: lj_meta.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_gc.h \ - lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_meta.h lj_frame.h lj_bc.h \ - lj_vm.h -lj_obj.o: lj_obj.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h -lj_opt_dce.o: lj_opt_dce.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_ir.h lj_jit.h lj_iropt.h -lj_opt_fold.o: lj_opt_fold.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_str.h lj_tab.h lj_ir.h lj_jit.h lj_iropt.h lj_trace.h lj_dispatch.h \ - lj_bc.h lj_traceerr.h lj_carith.h lj_vm.h lj_folddef.h -lj_opt_loop.o: lj_opt_loop.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_err.h lj_errmsg.h lj_str.h lj_ir.h lj_jit.h lj_iropt.h lj_trace.h \ - lj_dispatch.h lj_bc.h lj_traceerr.h lj_snap.h lj_vm.h -lj_opt_mem.o: lj_opt_mem.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_tab.h lj_ir.h lj_jit.h lj_iropt.h -lj_opt_narrow.o: lj_opt_narrow.c lj_obj.h lua.h luaconf.h lj_def.h \ - lj_arch.h lj_str.h lj_bc.h lj_ir.h lj_jit.h lj_iropt.h lj_trace.h \ - lj_dispatch.h lj_traceerr.h lj_vm.h -lj_opt_split.o: lj_opt_split.c lj_obj.h lua.h luaconf.h lj_def.h \ - lj_arch.h lj_err.h lj_errmsg.h lj_str.h lj_ir.h lj_jit.h lj_ircall.h \ - lj_iropt.h lj_vm.h -lj_parse.o: lj_parse.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_err.h lj_errmsg.h lj_debug.h lj_str.h lj_tab.h lj_func.h \ - lj_state.h lj_bc.h lj_ctype.h lj_lex.h lj_parse.h lj_vm.h lj_vmevent.h -lj_record.o: lj_record.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_meta.h lj_frame.h lj_bc.h \ - lj_ff.h lj_ffdef.h lj_ir.h lj_jit.h lj_ircall.h lj_iropt.h lj_trace.h \ - lj_dispatch.h lj_traceerr.h lj_record.h lj_ffrecord.h lj_snap.h lj_vm.h -lj_snap.o: lj_snap.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_gc.h \ - lj_state.h lj_frame.h lj_bc.h lj_ir.h lj_jit.h lj_iropt.h lj_trace.h \ - lj_dispatch.h lj_traceerr.h lj_snap.h lj_target.h lj_target_*.h -lj_state.o: lj_state.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_func.h lj_meta.h \ - lj_state.h lj_frame.h lj_bc.h lj_ctype.h lj_trace.h lj_jit.h lj_ir.h \ - lj_dispatch.h lj_traceerr.h lj_vm.h lj_lex.h lj_alloc.h -lj_str.o: lj_str.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_gc.h \ - lj_err.h lj_errmsg.h lj_str.h lj_state.h lj_char.h -lj_tab.o: lj_tab.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_gc.h \ - lj_err.h lj_errmsg.h lj_tab.h -lj_trace.o: lj_trace.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_err.h lj_errmsg.h lj_debug.h lj_str.h lj_frame.h lj_bc.h \ - lj_state.h lj_ir.h lj_jit.h lj_iropt.h lj_mcode.h lj_trace.h \ - lj_dispatch.h lj_traceerr.h lj_snap.h lj_gdbjit.h lj_record.h lj_asm.h \ - lj_vm.h lj_vmevent.h lj_target.h lj_target_*.h -lj_udata.o: lj_udata.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_gc.h lj_udata.h -lj_vmevent.o: lj_vmevent.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_str.h lj_tab.h lj_state.h lj_dispatch.h lj_bc.h lj_jit.h lj_ir.h \ - lj_vm.h lj_vmevent.h -lj_vmmath.o: lj_vmmath.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \ - lj_ir.h lj_vm.h -ljamalg.o: ljamalg.c lua.h luaconf.h lauxlib.h lj_gc.c lj_obj.h lj_def.h \ - lj_arch.h lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_tab.h lj_func.h \ - lj_udata.h lj_meta.h lj_state.h lj_frame.h lj_bc.h lj_ctype.h lj_cdata.h \ - lj_trace.h lj_jit.h lj_ir.h lj_dispatch.h lj_traceerr.h lj_vm.h lj_err.c \ - lj_debug.h lj_ff.h lj_ffdef.h lj_char.c lj_char.h lj_bc.c lj_bcdef.h \ - lj_obj.c lj_str.c lj_tab.c lj_func.c lj_udata.c lj_meta.c lj_debug.c \ - lj_state.c lj_lex.h lj_alloc.h lj_dispatch.c luajit.h lj_vmevent.c \ - lj_vmevent.h lj_vmmath.c lj_api.c lj_bcdump.h lj_parse.h lj_lex.c \ - lualib.h lj_parse.c lj_bcread.c lj_bcwrite.c lj_ctype.c lj_ccallback.h \ - lj_cdata.c lj_cconv.h lj_cconv.c lj_ccall.c lj_ccall.h lj_ccallback.c \ - lj_target.h lj_target_*.h lj_mcode.h lj_carith.c lj_carith.h lj_clib.c \ - lj_clib.h lj_cparse.c lj_cparse.h lj_lib.c lj_lib.h lj_ir.c lj_ircall.h \ - lj_iropt.h lj_opt_mem.c lj_opt_fold.c lj_folddef.h lj_opt_narrow.c \ - lj_opt_dce.c lj_opt_loop.c lj_snap.h lj_opt_split.c lj_mcode.c lj_snap.c \ - lj_record.c lj_record.h lj_ffrecord.h lj_crecord.c lj_crecord.h \ - lj_ffrecord.c lj_recdef.h lj_asm.c lj_asm.h lj_emit_*.h lj_asm_*.h \ - lj_trace.c lj_gdbjit.h lj_gdbjit.c lj_alloc.c lib_aux.c lib_base.c \ - lj_libdef.h lib_math.c lib_string.c lib_table.c lib_io.c lib_os.c \ - lib_package.c lib_debug.c lib_bit.c lib_jit.c lib_ffi.c lib_init.c -luajit.o: luajit.c lua.h luaconf.h lauxlib.h lualib.h luajit.h lj_arch.h diff --git a/libraries/luajit-2.0/src/buildvm.c b/libraries/luajit-2.0/src/buildvm.c deleted file mode 100644 index 43e6d88..0000000 --- a/libraries/luajit-2.0/src/buildvm.c +++ /dev/null @@ -1,513 +0,0 @@ -/* -** LuaJIT VM builder. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** This is a tool to build the hand-tuned assembler code required for -** LuaJIT's bytecode interpreter. It supports a variety of output formats -** to feed different toolchains (see usage() below). -** -** This tool is not particularly optimized because it's only used while -** _building_ LuaJIT. There's no point in distributing or installing it. -** Only the object code generated by this tool is linked into LuaJIT. -** -** Caveat: some memory is not free'd, error handling is lazy. -** It's a one-shot tool -- any effort fixing this would be wasted. -*/ - -#include "buildvm.h" -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_bc.h" -#include "lj_ir.h" -#include "lj_ircall.h" -#include "lj_frame.h" -#include "lj_dispatch.h" -#if LJ_HASFFI -#include "lj_ctype.h" -#include "lj_ccall.h" -#endif -#include "luajit.h" - -#if defined(_WIN32) -#include -#include -#endif - -/* ------------------------------------------------------------------------ */ - -/* DynASM glue definitions. */ -#define Dst ctx -#define Dst_DECL BuildCtx *ctx -#define Dst_REF (ctx->D) -#define DASM_CHECKS 1 - -#include "../dynasm/dasm_proto.h" - -/* Glue macros for DynASM. */ -static int collect_reloc(BuildCtx *ctx, uint8_t *addr, int idx, int type); - -#define DASM_EXTERN(ctx, addr, idx, type) \ - collect_reloc(ctx, addr, idx, type) - -/* ------------------------------------------------------------------------ */ - -/* Avoid trouble if cross-compiling for an x86 target. Speed doesn't matter. */ -#define DASM_ALIGNED_WRITES 1 - -/* Embed architecture-specific DynASM encoder and backend. */ -#if LJ_TARGET_X86 -#include "../dynasm/dasm_x86.h" -#include "buildvm_x86.h" -#elif LJ_TARGET_X64 -#include "../dynasm/dasm_x86.h" -#if LJ_ABI_WIN -#include "buildvm_x64win.h" -#else -#include "buildvm_x64.h" -#endif -#elif LJ_TARGET_ARM -#include "../dynasm/dasm_arm.h" -#include "buildvm_arm.h" -#elif LJ_TARGET_PPC -#include "../dynasm/dasm_ppc.h" -#include "buildvm_ppc.h" -#elif LJ_TARGET_PPCSPE -#include "../dynasm/dasm_ppc.h" -#include "buildvm_ppcspe.h" -#elif LJ_TARGET_MIPS -#include "../dynasm/dasm_mips.h" -#include "buildvm_mips.h" -#else -#error "No support for this architecture (yet)" -#endif - -/* ------------------------------------------------------------------------ */ - -void owrite(BuildCtx *ctx, const void *ptr, size_t sz) -{ - if (fwrite(ptr, 1, sz, ctx->fp) != sz) { - fprintf(stderr, "Error: cannot write to output file: %s\n", - strerror(errno)); - exit(1); - } -} - -/* ------------------------------------------------------------------------ */ - -/* Emit code as raw bytes. Only used for DynASM debugging. */ -static void emit_raw(BuildCtx *ctx) -{ - owrite(ctx, ctx->code, ctx->codesz); -} - -/* -- Build machine code -------------------------------------------------- */ - -static const char *sym_decorate(BuildCtx *ctx, - const char *prefix, const char *suffix) -{ - char name[256]; - char *p; -#if LJ_64 - const char *symprefix = ctx->mode == BUILD_machasm ? "_" : ""; -#else - const char *symprefix = ctx->mode != BUILD_elfasm ? "_" : ""; -#endif - sprintf(name, "%s%s%s", symprefix, prefix, suffix); - p = strchr(name, '@'); - if (p) { - if (!LJ_64 && (ctx->mode == BUILD_coffasm || ctx->mode == BUILD_peobj)) - name[0] = '@'; - else - *p = '\0'; - } - p = (char *)malloc(strlen(name)+1); /* MSVC doesn't like strdup. */ - strcpy(p, name); - return p; -} - -#define NRELOCSYM (sizeof(extnames)/sizeof(extnames[0])-1) - -static int relocmap[NRELOCSYM]; - -/* Collect external relocations. */ -static int collect_reloc(BuildCtx *ctx, uint8_t *addr, int idx, int type) -{ - if (ctx->nreloc >= BUILD_MAX_RELOC) { - fprintf(stderr, "Error: too many relocations, increase BUILD_MAX_RELOC.\n"); - exit(1); - } - if (relocmap[idx] < 0) { - relocmap[idx] = ctx->nrelocsym; - ctx->relocsym[ctx->nrelocsym] = sym_decorate(ctx, "", extnames[idx]); - ctx->nrelocsym++; - } - ctx->reloc[ctx->nreloc].ofs = (int32_t)(addr - ctx->code); - ctx->reloc[ctx->nreloc].sym = relocmap[idx]; - ctx->reloc[ctx->nreloc].type = type; - ctx->nreloc++; - return 0; /* Encode symbol offset of 0. */ -} - -/* Naive insertion sort. Performance doesn't matter here. */ -static void sym_insert(BuildCtx *ctx, int32_t ofs, - const char *prefix, const char *suffix) -{ - ptrdiff_t i = ctx->nsym++; - while (i > 0) { - if (ctx->sym[i-1].ofs <= ofs) - break; - ctx->sym[i] = ctx->sym[i-1]; - i--; - } - ctx->sym[i].ofs = ofs; - ctx->sym[i].name = sym_decorate(ctx, prefix, suffix); -} - -/* Build the machine code. */ -static int build_code(BuildCtx *ctx) -{ - int status; - int i; - - /* Initialize DynASM structures. */ - ctx->nglob = GLOB__MAX; - ctx->glob = (void **)malloc(ctx->nglob*sizeof(void *)); - memset(ctx->glob, 0, ctx->nglob*sizeof(void *)); - ctx->nreloc = 0; - - ctx->globnames = globnames; - ctx->relocsym = (const char **)malloc(NRELOCSYM*sizeof(const char *)); - ctx->nrelocsym = 0; - for (i = 0; i < (int)NRELOCSYM; i++) relocmap[i] = -1; - - ctx->dasm_ident = DASM_IDENT; - ctx->dasm_arch = DASM_ARCH; - - dasm_init(Dst, DASM_MAXSECTION); - dasm_setupglobal(Dst, ctx->glob, ctx->nglob); - dasm_setup(Dst, build_actionlist); - - /* Call arch-specific backend to emit the code. */ - ctx->npc = build_backend(ctx); - - /* Finalize the code. */ - (void)dasm_checkstep(Dst, -1); - if ((status = dasm_link(Dst, &ctx->codesz))) return status; - ctx->code = (uint8_t *)malloc(ctx->codesz); - if ((status = dasm_encode(Dst, (void *)ctx->code))) return status; - - /* Allocate symbol table and bytecode offsets. */ - ctx->beginsym = sym_decorate(ctx, "", LABEL_PREFIX "vm_asm_begin"); - ctx->sym = (BuildSym *)malloc((ctx->npc+ctx->nglob+1)*sizeof(BuildSym)); - ctx->nsym = 0; - ctx->bc_ofs = (int32_t *)malloc(ctx->npc*sizeof(int32_t)); - - /* Collect the opcodes (PC labels). */ - for (i = 0; i < ctx->npc; i++) { - int32_t ofs = dasm_getpclabel(Dst, i); - if (ofs < 0) return 0x22000000|i; - ctx->bc_ofs[i] = ofs; - if ((LJ_HASJIT || - !(i == BC_JFORI || i == BC_JFORL || i == BC_JITERL || i == BC_JLOOP || - i == BC_IFORL || i == BC_IITERL || i == BC_ILOOP)) && - (LJ_HASFFI || i != BC_KCDATA)) - sym_insert(ctx, ofs, LABEL_PREFIX_BC, bc_names[i]); - } - - /* Collect the globals (named labels). */ - for (i = 0; i < ctx->nglob; i++) { - const char *gl = globnames[i]; - int len = (int)strlen(gl); - if (!ctx->glob[i]) { - fprintf(stderr, "Error: undefined global %s\n", gl); - exit(2); - } - /* Skip the _Z symbols. */ - if (!(len >= 2 && gl[len-2] == '_' && gl[len-1] == 'Z')) - sym_insert(ctx, (int32_t)((uint8_t *)(ctx->glob[i]) - ctx->code), - LABEL_PREFIX, globnames[i]); - } - - /* Close the address range. */ - sym_insert(ctx, (int32_t)ctx->codesz, "", ""); - ctx->nsym--; - - dasm_free(Dst); - - return 0; -} - -/* -- Generate VM enums --------------------------------------------------- */ - -const char *const bc_names[] = { -#define BCNAME(name, ma, mb, mc, mt) #name, -BCDEF(BCNAME) -#undef BCNAME - NULL -}; - -const char *const ir_names[] = { -#define IRNAME(name, m, m1, m2) #name, -IRDEF(IRNAME) -#undef IRNAME - NULL -}; - -const char *const irt_names[] = { -#define IRTNAME(name) #name, -IRTDEF(IRTNAME) -#undef IRTNAME - NULL -}; - -const char *const irfpm_names[] = { -#define FPMNAME(name) #name, -IRFPMDEF(FPMNAME) -#undef FPMNAME - NULL -}; - -const char *const irfield_names[] = { -#define FLNAME(name, ofs) #name, -IRFLDEF(FLNAME) -#undef FLNAME - NULL -}; - -const char *const ircall_names[] = { -#define IRCALLNAME(cond, name, nargs, kind, type, flags) #name, -IRCALLDEF(IRCALLNAME) -#undef IRCALLNAME - NULL -}; - -static const char *const trace_errors[] = { -#define TREDEF(name, msg) msg, -#include "lj_traceerr.h" - NULL -}; - -static const char *lower(char *buf, const char *s) -{ - char *p = buf; - while (*s) { - *p++ = (*s >= 'A' && *s <= 'Z') ? *s+0x20 : *s; - s++; - } - *p = '\0'; - return buf; -} - -/* Emit C source code for bytecode-related definitions. */ -static void emit_bcdef(BuildCtx *ctx) -{ - int i; - fprintf(ctx->fp, "/* This is a generated file. DO NOT EDIT! */\n\n"); - fprintf(ctx->fp, "LJ_DATADEF const uint16_t lj_bc_ofs[] = {\n"); - for (i = 0; i < ctx->npc; i++) { - if (i != 0) - fprintf(ctx->fp, ",\n"); - fprintf(ctx->fp, "%d", ctx->bc_ofs[i]); - } -} - -/* Emit VM definitions as Lua code for debug modules. */ -static void emit_vmdef(BuildCtx *ctx) -{ - char buf[80]; - int i; - fprintf(ctx->fp, "-- This is a generated file. DO NOT EDIT!\n\n"); - fprintf(ctx->fp, "module(...)\n\n"); - - fprintf(ctx->fp, "bcnames = \""); - for (i = 0; bc_names[i]; i++) fprintf(ctx->fp, "%-6s", bc_names[i]); - fprintf(ctx->fp, "\"\n\n"); - - fprintf(ctx->fp, "irnames = \""); - for (i = 0; ir_names[i]; i++) fprintf(ctx->fp, "%-6s", ir_names[i]); - fprintf(ctx->fp, "\"\n\n"); - - fprintf(ctx->fp, "irfpm = { [0]="); - for (i = 0; irfpm_names[i]; i++) - fprintf(ctx->fp, "\"%s\", ", lower(buf, irfpm_names[i])); - fprintf(ctx->fp, "}\n\n"); - - fprintf(ctx->fp, "irfield = { [0]="); - for (i = 0; irfield_names[i]; i++) { - char *p; - lower(buf, irfield_names[i]); - p = strchr(buf, '_'); - if (p) *p = '.'; - fprintf(ctx->fp, "\"%s\", ", buf); - } - fprintf(ctx->fp, "}\n\n"); - - fprintf(ctx->fp, "ircall = {\n[0]="); - for (i = 0; ircall_names[i]; i++) - fprintf(ctx->fp, "\"%s\",\n", ircall_names[i]); - fprintf(ctx->fp, "}\n\n"); - - fprintf(ctx->fp, "traceerr = {\n[0]="); - for (i = 0; trace_errors[i]; i++) - fprintf(ctx->fp, "\"%s\",\n", trace_errors[i]); - fprintf(ctx->fp, "}\n\n"); -} - -/* -- Argument parsing ---------------------------------------------------- */ - -/* Build mode names. */ -static const char *const modenames[] = { -#define BUILDNAME(name) #name, -BUILDDEF(BUILDNAME) -#undef BUILDNAME - NULL -}; - -/* Print usage information and exit. */ -static void usage(void) -{ - int i; - fprintf(stderr, LUAJIT_VERSION " VM builder.\n"); - fprintf(stderr, LUAJIT_COPYRIGHT ", " LUAJIT_URL "\n"); - fprintf(stderr, "Target architecture: " LJ_ARCH_NAME "\n\n"); - fprintf(stderr, "Usage: buildvm -m mode [-o outfile] [infiles...]\n\n"); - fprintf(stderr, "Available modes:\n"); - for (i = 0; i < BUILD__MAX; i++) - fprintf(stderr, " %s\n", modenames[i]); - exit(1); -} - -/* Parse the output mode name. */ -static BuildMode parsemode(const char *mode) -{ - int i; - for (i = 0; modenames[i]; i++) - if (!strcmp(mode, modenames[i])) - return (BuildMode)i; - usage(); - return (BuildMode)-1; -} - -/* Parse arguments. */ -static void parseargs(BuildCtx *ctx, char **argv) -{ - const char *a; - int i; - ctx->mode = (BuildMode)-1; - ctx->outname = "-"; - for (i = 1; (a = argv[i]) != NULL; i++) { - if (a[0] != '-') - break; - switch (a[1]) { - case '-': - if (a[2]) goto err; - i++; - goto ok; - case '\0': - goto ok; - case 'm': - i++; - if (a[2] || argv[i] == NULL) goto err; - ctx->mode = parsemode(argv[i]); - break; - case 'o': - i++; - if (a[2] || argv[i] == NULL) goto err; - ctx->outname = argv[i]; - break; - default: err: - usage(); - break; - } - } -ok: - ctx->args = argv+i; - if (ctx->mode == (BuildMode)-1) goto err; -} - -int main(int argc, char **argv) -{ - BuildCtx ctx_; - BuildCtx *ctx = &ctx_; - int status, binmode; - - if (sizeof(void *) != 4*LJ_32+8*LJ_64) { - fprintf(stderr,"Error: pointer size mismatch in cross-build.\n"); - fprintf(stderr,"Try: make HOST_CC=\"gcc -m32\" CROSS=... TARGET=...\n\n"); - return 1; - } - - UNUSED(argc); - parseargs(ctx, argv); - - if ((status = build_code(ctx))) { - fprintf(stderr,"Error: DASM error %08x\n", status); - return 1; - } - - switch (ctx->mode) { - case BUILD_peobj: - case BUILD_raw: - binmode = 1; - break; - default: - binmode = 0; - break; - } - - if (ctx->outname[0] == '-' && ctx->outname[1] == '\0') { - ctx->fp = stdout; -#if defined(_WIN32) - if (binmode) - _setmode(_fileno(stdout), _O_BINARY); /* Yuck. */ -#endif - } else if (!(ctx->fp = fopen(ctx->outname, binmode ? "wb" : "w"))) { - fprintf(stderr, "Error: cannot open output file '%s': %s\n", - ctx->outname, strerror(errno)); - exit(1); - } - - switch (ctx->mode) { - case BUILD_elfasm: - case BUILD_coffasm: - case BUILD_machasm: - emit_asm(ctx); - emit_asm_debug(ctx); - break; - case BUILD_peobj: - emit_peobj(ctx); - break; - case BUILD_raw: - emit_raw(ctx); - break; - case BUILD_bcdef: - emit_bcdef(ctx); - emit_lib(ctx); - break; - case BUILD_vmdef: - emit_vmdef(ctx); - emit_lib(ctx); - break; - case BUILD_ffdef: - case BUILD_libdef: - case BUILD_recdef: - emit_lib(ctx); - break; - case BUILD_folddef: - emit_fold(ctx); - break; - default: - break; - } - - fflush(ctx->fp); - if (ferror(ctx->fp)) { - fprintf(stderr, "Error: cannot write to output file: %s\n", - strerror(errno)); - exit(1); - } - fclose(ctx->fp); - - return 0; -} - diff --git a/libraries/luajit-2.0/src/buildvm.h b/libraries/luajit-2.0/src/buildvm.h deleted file mode 100644 index a24d945..0000000 --- a/libraries/luajit-2.0/src/buildvm.h +++ /dev/null @@ -1,104 +0,0 @@ -/* -** LuaJIT VM builder. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _BUILDVM_H -#define _BUILDVM_H - -#include -#include -#include -#include -#include - -#include "lj_def.h" -#include "lj_arch.h" - -/* Hardcoded limits. Increase as needed. */ -#define BUILD_MAX_RELOC 200 /* Max. number of relocations. */ -#define BUILD_MAX_FOLD 4096 /* Max. number of fold rules. */ - -/* Prefix for scanned library definitions. */ -#define LIBDEF_PREFIX "LJLIB_" - -/* Prefix for scanned fold definitions. */ -#define FOLDDEF_PREFIX "LJFOLD" - -/* Prefixes for generated labels. */ -#define LABEL_PREFIX "lj_" -#define LABEL_PREFIX_BC LABEL_PREFIX "BC_" -#define LABEL_PREFIX_FF LABEL_PREFIX "ff_" -#define LABEL_PREFIX_CF LABEL_PREFIX "cf_" -#define LABEL_PREFIX_FFH LABEL_PREFIX "ffh_" -#define LABEL_PREFIX_LIBCF LABEL_PREFIX "lib_cf_" -#define LABEL_PREFIX_LIBINIT LABEL_PREFIX "lib_init_" - -/* Forward declaration. */ -struct dasm_State; - -/* Build modes. */ -#define BUILDDEF(_) \ - _(elfasm) _(coffasm) _(machasm) _(peobj) _(raw) \ - _(bcdef) _(ffdef) _(libdef) _(recdef) _(vmdef) \ - _(folddef) - -typedef enum { -#define BUILDENUM(name) BUILD_##name, -BUILDDEF(BUILDENUM) -#undef BUILDENUM - BUILD__MAX -} BuildMode; - -/* Code relocation. */ -typedef struct BuildReloc { - int32_t ofs; - int sym; - int type; -} BuildReloc; - -typedef struct BuildSym { - const char *name; - int32_t ofs; -} BuildSym; - -/* Build context structure. */ -typedef struct BuildCtx { - /* DynASM state pointer. Should be first member. */ - struct dasm_State *D; - /* Parsed command line. */ - BuildMode mode; - FILE *fp; - const char *outname; - char **args; - /* Code and symbols generated by DynASM. */ - uint8_t *code; - size_t codesz; - int npc, nglob, nsym, nreloc, nrelocsym; - void **glob; - BuildSym *sym; - const char **relocsym; - int32_t *bc_ofs; - const char *beginsym; - /* Strings generated by DynASM. */ - const char *const *globnames; - const char *dasm_ident; - const char *dasm_arch; - /* Relocations. */ - BuildReloc reloc[BUILD_MAX_RELOC]; -} BuildCtx; - -extern void owrite(BuildCtx *ctx, const void *ptr, size_t sz); -extern void emit_asm(BuildCtx *ctx); -extern void emit_peobj(BuildCtx *ctx); -extern void emit_lib(BuildCtx *ctx); -extern void emit_fold(BuildCtx *ctx); - -extern const char *const bc_names[]; -extern const char *const ir_names[]; -extern const char *const irt_names[]; -extern const char *const irfpm_names[]; -extern const char *const irfield_names[]; -extern const char *const ircall_names[]; - -#endif diff --git a/libraries/luajit-2.0/src/buildvm_arm.dasc b/libraries/luajit-2.0/src/buildvm_arm.dasc deleted file mode 100644 index 60857c0..0000000 --- a/libraries/luajit-2.0/src/buildvm_arm.dasc +++ /dev/null @@ -1,4115 +0,0 @@ -|// Low-level VM code for ARM CPUs. -|// Bytecode interpreter, fast functions and helper functions. -|// Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -| -|.arch arm -|.section code_op, code_sub -| -|.actionlist build_actionlist -|.globals GLOB_ -|.globalnames globnames -|.externnames extnames -| -|// Note: The ragged indentation of the instructions is intentional. -|// The starting columns indicate data dependencies. -| -|//----------------------------------------------------------------------- -| -|// Fixed register assignments for the interpreter. -| -|// The following must be C callee-save. -|.define MASKR8, r4 // 255*8 constant for fast bytecode decoding. -|.define KBASE, r5 // Constants of current Lua function. -|.define PC, r6 // Next PC. -|.define DISPATCH, r7 // Opcode dispatch table. -|.define LREG, r8 // Register holding lua_State (also in SAVE_L). -| -|// C callee-save in EABI, but often refetched. Temporary in iOS 3.0+. -|.define BASE, r9 // Base of current Lua stack frame. -| -|// The following temporaries are not saved across C calls, except for RA/RC. -|.define RA, r10 // Callee-save. -|.define RC, r11 // Callee-save. -|.define RB, r12 -|.define OP, r12 // Overlaps RB, must not be lr. -|.define INS, lr -| -|// Calling conventions. Also used as temporaries. -|.define CARG1, r0 -|.define CARG2, r1 -|.define CARG3, r2 -|.define CARG4, r3 -|.define CARG12, r0 // For 1st soft-fp double. -|.define CARG34, r2 // For 2nd soft-fp double. -| -|.define CRET1, r0 -|.define CRET2, r1 -| -|// Stack layout while in interpreter. Must match with lj_frame.h. -|.define CFRAME_SPACE, #28 -|.define SAVE_ERRF, [sp, #24] -|.define SAVE_NRES, [sp, #20] -|.define SAVE_CFRAME, [sp, #16] -|.define SAVE_L, [sp, #12] -|.define SAVE_PC, [sp, #8] -|.define SAVE_MULTRES, [sp, #4] -|.define ARG5, [sp] -| -|.define TMPDhi, [sp, #4] -|.define TMPDlo, [sp] -|.define TMPD, [sp] -|.define TMPDp, sp -| -|.macro saveregs -| push {r4, r5, r6, r7, r8, r9, r10, r11, lr} -| sub sp, sp, CFRAME_SPACE -|.endmacro -|.macro restoreregs_ret -| add sp, sp, CFRAME_SPACE -| pop {r4, r5, r6, r7, r8, r9, r10, r11, pc} -|.endmacro -| -|// Type definitions. Some of these are only used for documentation. -|.type L, lua_State, LREG -|.type GL, global_State -|.type TVALUE, TValue -|.type GCOBJ, GCobj -|.type STR, GCstr -|.type TAB, GCtab -|.type LFUNC, GCfuncL -|.type CFUNC, GCfuncC -|.type PROTO, GCproto -|.type UPVAL, GCupval -|.type NODE, Node -|.type NARGS8, int -|.type TRACE, GCtrace -| -|//----------------------------------------------------------------------- -| -|// Trap for not-yet-implemented parts. -|.macro NYI; ud; .endmacro -| -|//----------------------------------------------------------------------- -| -|// Access to frame relative to BASE. -|.define FRAME_FUNC, #-8 -|.define FRAME_PC, #-4 -| -|.macro decode_RA8, dst, ins; and dst, MASKR8, ins, lsr #5; .endmacro -|.macro decode_RB8, dst, ins; and dst, MASKR8, ins, lsr #21; .endmacro -|.macro decode_RC8, dst, ins; and dst, MASKR8, ins, lsr #13; .endmacro -|.macro decode_RD, dst, ins; lsr dst, ins, #16; .endmacro -|.macro decode_OP, dst, ins; and dst, ins, #255; .endmacro -| -|// Instruction fetch. -|.macro ins_NEXT1 -| ldrb OP, [PC] -|.endmacro -|.macro ins_NEXT2 -| ldr INS, [PC], #4 -|.endmacro -|// Instruction decode+dispatch. -|.macro ins_NEXT3 -| ldr OP, [DISPATCH, OP, lsl #2] -| decode_RA8 RA, INS -| decode_RD RC, INS -| bx OP -|.endmacro -|.macro ins_NEXT -| ins_NEXT1 -| ins_NEXT2 -| ins_NEXT3 -|.endmacro -| -|// Instruction footer. -|.if 1 -| // Replicated dispatch. Less unpredictable branches, but higher I-Cache use. -| .define ins_next, ins_NEXT -| .define ins_next_, ins_NEXT -| .define ins_next1, ins_NEXT1 -| .define ins_next2, ins_NEXT2 -| .define ins_next3, ins_NEXT3 -|.else -| // Common dispatch. Lower I-Cache use, only one (very) unpredictable branch. -| // Affects only certain kinds of benchmarks (and only with -j off). -| .macro ins_next -| b ->ins_next -| .endmacro -| .macro ins_next1 -| .endmacro -| .macro ins_next2 -| .endmacro -| .macro ins_next3 -| b ->ins_next -| .endmacro -| .macro ins_next_ -| ->ins_next: -| ins_NEXT -| .endmacro -|.endif -| -|// Avoid register name substitution for field name. -#define field_pc pc -| -|// Call decode and dispatch. -|.macro ins_callt -| // BASE = new base, CARG3 = LFUNC/CFUNC, RC = nargs*8, FRAME_PC(BASE) = PC -| ldr PC, LFUNC:CARG3->field_pc -| ldrb OP, [PC] // STALL: load PC. early PC. -| ldr INS, [PC], #4 -| ldr OP, [DISPATCH, OP, lsl #2] // STALL: load OP. early OP. -| decode_RA8 RA, INS -| add RA, RA, BASE -| bx OP -|.endmacro -| -|.macro ins_call -| // BASE = new base, CARG3 = LFUNC/CFUNC, RC = nargs*8, PC = caller PC -| str PC, [BASE, FRAME_PC] -| ins_callt // STALL: locked PC. -|.endmacro -| -|//----------------------------------------------------------------------- -| -|// Macros to test operand types. -|.macro checktp, reg, tp; cmn reg, #-tp; .endmacro -|.macro checktpeq, reg, tp; cmneq reg, #-tp; .endmacro -|.macro checktpne, reg, tp; cmnne reg, #-tp; .endmacro -|.macro checkstr, reg, target; checktp reg, LJ_TSTR; bne target; .endmacro -|.macro checktab, reg, target; checktp reg, LJ_TTAB; bne target; .endmacro -|.macro checkfunc, reg, target; checktp reg, LJ_TFUNC; bne target; .endmacro -| -|// Assumes DISPATCH is relative to GL. -#define DISPATCH_GL(field) (GG_DISP2G + (int)offsetof(global_State, field)) -#define DISPATCH_J(field) (GG_DISP2J + (int)offsetof(jit_State, field)) -| -#define PC2PROTO(field) ((int)offsetof(GCproto, field)-(int)sizeof(GCproto)) -| -|.macro hotcheck, delta -| lsr CARG1, PC, #1 -| and CARG1, CARG1, #126 -| sub CARG1, CARG1, #-GG_DISP2HOT -| ldrh CARG2, [DISPATCH, CARG1] -| subs CARG2, CARG2, #delta -| strh CARG2, [DISPATCH, CARG1] -|.endmacro -| -|.macro hotloop -| hotcheck HOTCOUNT_LOOP -| blo ->vm_hotloop -|.endmacro -| -|.macro hotcall -| hotcheck HOTCOUNT_CALL -| blo ->vm_hotcall -|.endmacro -| -|// Set current VM state. -|.macro mv_vmstate, reg, st; mvn reg, #LJ_VMST_..st; .endmacro -|.macro st_vmstate, reg; str reg, [DISPATCH, #DISPATCH_GL(vmstate)]; .endmacro -| -|// Move table write barrier back. Overwrites mark and tmp. -|.macro barrierback, tab, mark, tmp -| ldr tmp, [DISPATCH, #DISPATCH_GL(gc.grayagain)] -| bic mark, mark, #LJ_GC_BLACK // black2gray(tab) -| str tab, [DISPATCH, #DISPATCH_GL(gc.grayagain)] -| strb mark, tab->marked -| str tmp, tab->gclist -|.endmacro -| -|.macro IOS, a, b -||if (LJ_TARGET_OSX) { -| a, b -||} -|.endmacro -| -|//----------------------------------------------------------------------- - -#if !LJ_DUALNUM -#error "Only dual-number mode supported for ARM target" -#endif - -/* Generate subroutines used by opcodes and other parts of the VM. */ -/* The .code_sub section should be last to help static branch prediction. */ -static void build_subroutines(BuildCtx *ctx) -{ - |.code_sub - | - |//----------------------------------------------------------------------- - |//-- Return handling ---------------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_returnp: - | // See vm_return. Also: RB = previous base. - | tst PC, #FRAME_P - | beq ->cont_dispatch - | - | // Return from pcall or xpcall fast func. - | ldr PC, [RB, FRAME_PC] // Fetch PC of previous frame. - | mvn CARG2, #~LJ_TTRUE - | mov BASE, RB - | // Prepending may overwrite the pcall frame, so do it at the end. - | str CARG2, [RA, FRAME_PC] // Prepend true to results. - | sub RA, RA, #8 - | - |->vm_returnc: - | add RC, RC, #8 // RC = (nresults+1)*8. - | ands CARG1, PC, #FRAME_TYPE - | str RC, SAVE_MULTRES - | beq ->BC_RET_Z // Handle regular return to Lua. - | - |->vm_return: - | // BASE = base, RA = resultptr, RC/MULTRES = (nresults+1)*8, PC = return - | // CARG1 = PC & FRAME_TYPE - | bic RB, PC, #FRAME_TYPEP - | cmp CARG1, #FRAME_C - | sub RB, BASE, RB // RB = previous base. - | bne ->vm_returnp - | - | str RB, L->base - | ldr KBASE, SAVE_NRES - | mv_vmstate CARG4, C - | sub BASE, BASE, #8 - | subs CARG3, RC, #8 - | lsl KBASE, KBASE, #3 // KBASE = (nresults_wanted+1)*8 - | st_vmstate CARG4 - | beq >2 - |1: - | subs CARG3, CARG3, #8 - | ldrd CARG12, [RA], #8 - | strd CARG12, [BASE], #8 - | bne <1 - |2: - | cmp KBASE, RC // More/less results wanted? - | bne >6 - |3: - | str BASE, L->top // Store new top. - | - |->vm_leave_cp: - | ldr RC, SAVE_CFRAME // Restore previous C frame. - | mov CRET1, #0 // Ok return status for vm_pcall. - | str RC, L->cframe - | - |->vm_leave_unw: - | restoreregs_ret - | - |6: - | blt >7 // Less results wanted? - | // More results wanted. Check stack size and fill up results with nil. - | ldr CARG3, L->maxstack - | mvn CARG2, #~LJ_TNIL - | cmp BASE, CARG3 - | bhs >8 - | str CARG2, [BASE, #4] - | add RC, RC, #8 - | add BASE, BASE, #8 - | b <2 - | - |7: // Less results wanted. - | sub CARG1, RC, KBASE - | cmp KBASE, #0 // LUA_MULTRET+1 case? - | subne BASE, BASE, CARG1 // Either keep top or shrink it. - | b <3 - | - |8: // Corner case: need to grow stack for filling up results. - | // This can happen if: - | // - A C function grows the stack (a lot). - | // - The GC shrinks the stack in between. - | // - A return back from a lua_call() with (high) nresults adjustment. - | str BASE, L->top // Save current top held in BASE (yes). - | mov CARG2, KBASE - | mov CARG1, L - | bl extern lj_state_growstack // (lua_State *L, int n) - | ldr BASE, L->top // Need the (realloced) L->top in BASE. - | b <2 - | - |->vm_unwind_c: // Unwind C stack, return from vm_pcall. - | // (void *cframe, int errcode) - | mov sp, CARG1 - | mov CRET1, CARG2 - |->vm_unwind_c_eh: // Landing pad for external unwinder. - | ldr L, SAVE_L - | mv_vmstate CARG4, C - | ldr GL:CARG3, L->glref - | str CARG4, GL:CARG3->vmstate - | b ->vm_leave_unw - | - |->vm_unwind_ff: // Unwind C stack, return from ff pcall. - | // (void *cframe) - | bic CARG1, CARG1, #~CFRAME_RAWMASK // Use two steps: bic sp is deprecated. - | mov sp, CARG1 - |->vm_unwind_ff_eh: // Landing pad for external unwinder. - | ldr L, SAVE_L - | mov MASKR8, #255 - | mov RC, #16 // 2 results: false + error message. - | lsl MASKR8, MASKR8, #3 // MASKR8 = 255*8. - | ldr BASE, L->base - | ldr DISPATCH, L->glref // Setup pointer to dispatch table. - | mvn CARG1, #~LJ_TFALSE - | sub RA, BASE, #8 // Results start at BASE-8. - | ldr PC, [BASE, FRAME_PC] // Fetch PC of previous frame. - | add DISPATCH, DISPATCH, #GG_G2DISP - | mv_vmstate CARG2, INTERP - | str CARG1, [BASE, #-4] // Prepend false to error message. - | st_vmstate CARG2 - | b ->vm_returnc - | - |//----------------------------------------------------------------------- - |//-- Grow stack for calls ----------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_growstack_c: // Grow stack for C function. - | // CARG1 = L - | mov CARG2, #LUA_MINSTACK - | b >2 - | - |->vm_growstack_l: // Grow stack for Lua function. - | // BASE = new base, RA = BASE+framesize*8, RC = nargs*8, PC = first PC - | add RC, BASE, RC - | sub RA, RA, BASE - | mov CARG1, L - | str BASE, L->base - | add PC, PC, #4 // Must point after first instruction. - | str RC, L->top - | lsr CARG3, RA, #3 - |2: - | // L->base = new base, L->top = top - | str PC, SAVE_PC - | bl extern lj_state_growstack // (lua_State *L, int n) - | ldr BASE, L->base - | ldr RC, L->top - | ldr LFUNC:CARG3, [BASE, FRAME_FUNC] - | sub NARGS8:RC, RC, BASE - | // BASE = new base, RB = LFUNC/CFUNC, RC = nargs*8, FRAME_PC(BASE) = PC - | ins_callt // Just retry the call. - | - |//----------------------------------------------------------------------- - |//-- Entry points into the assembler VM --------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_resume: // Setup C frame and resume thread. - | // (lua_State *L, TValue *base, int nres1 = 0, ptrdiff_t ef = 0) - | saveregs - | mov L, CARG1 - | ldr DISPATCH, L:CARG1->glref // Setup pointer to dispatch table. - | mov BASE, CARG2 - | add DISPATCH, DISPATCH, #GG_G2DISP - | str L, SAVE_L - | mov PC, #FRAME_CP - | str CARG3, SAVE_NRES - | add CARG2, sp, #CFRAME_RESUME - | ldrb CARG1, L->status - | str CARG3, SAVE_ERRF - | str CARG2, L->cframe - | str CARG3, SAVE_CFRAME - | cmp CARG1, #0 - | str L, SAVE_PC // Any value outside of bytecode is ok. - | beq >3 - | - | // Resume after yield (like a return). - | mov RA, BASE - | ldr BASE, L->base - | ldr CARG1, L->top - | mov MASKR8, #255 - | strb CARG3, L->status - | sub RC, CARG1, BASE - | ldr PC, [BASE, FRAME_PC] - | lsl MASKR8, MASKR8, #3 // MASKR8 = 255*8. - | mv_vmstate CARG2, INTERP - | add RC, RC, #8 - | ands CARG1, PC, #FRAME_TYPE - | st_vmstate CARG2 - | str RC, SAVE_MULTRES - | beq ->BC_RET_Z - | b ->vm_return - | - |->vm_pcall: // Setup protected C frame and enter VM. - | // (lua_State *L, TValue *base, int nres1, ptrdiff_t ef) - | saveregs - | mov PC, #FRAME_CP - | str CARG4, SAVE_ERRF - | b >1 - | - |->vm_call: // Setup C frame and enter VM. - | // (lua_State *L, TValue *base, int nres1) - | saveregs - | mov PC, #FRAME_C - | - |1: // Entry point for vm_pcall above (PC = ftype). - | ldr RC, L:CARG1->cframe - | str CARG3, SAVE_NRES - | mov L, CARG1 - | str CARG1, SAVE_L - | mov BASE, CARG2 - | str sp, L->cframe // Add our C frame to cframe chain. - | ldr DISPATCH, L->glref // Setup pointer to dispatch table. - | str CARG1, SAVE_PC // Any value outside of bytecode is ok. - | str RC, SAVE_CFRAME - | add DISPATCH, DISPATCH, #GG_G2DISP - | - |3: // Entry point for vm_cpcall/vm_resume (BASE = base, PC = ftype). - | ldr RB, L->base // RB = old base (for vmeta_call). - | ldr CARG1, L->top - | mov MASKR8, #255 - | add PC, PC, BASE - | lsl MASKR8, MASKR8, #3 // MASKR8 = 255*8. - | sub PC, PC, RB // PC = frame delta + frame type - | mv_vmstate CARG2, INTERP - | sub NARGS8:RC, CARG1, BASE - | st_vmstate CARG2 - | - |->vm_call_dispatch: - | // RB = old base, BASE = new base, RC = nargs*8, PC = caller PC - | ldrd CARG34, [BASE, FRAME_FUNC] - | checkfunc CARG4, ->vmeta_call - | - |->vm_call_dispatch_f: - | ins_call - | // BASE = new base, CARG3 = func, RC = nargs*8, PC = caller PC - | - |->vm_cpcall: // Setup protected C frame, call C. - | // (lua_State *L, lua_CFunction func, void *ud, lua_CPFunction cp) - | saveregs - | mov L, CARG1 - | ldr RA, L:CARG1->stack - | str CARG1, SAVE_L - | ldr RB, L->top - | str CARG1, SAVE_PC // Any value outside of bytecode is ok. - | ldr RC, L->cframe - | sub RA, RA, RB // Compute -savestack(L, L->top). - | str sp, L->cframe // Add our C frame to cframe chain. - | mov RB, #0 - | str RA, SAVE_NRES // Neg. delta means cframe w/o frame. - | str RB, SAVE_ERRF // No error function. - | str RC, SAVE_CFRAME - | blx CARG4 // (lua_State *L, lua_CFunction func, void *ud) - | ldr DISPATCH, L->glref // Setup pointer to dispatch table. - | movs BASE, CRET1 - | mov PC, #FRAME_CP - | add DISPATCH, DISPATCH, #GG_G2DISP - | bne <3 // Else continue with the call. - | b ->vm_leave_cp // No base? Just remove C frame. - | - |//----------------------------------------------------------------------- - |//-- Metamethod handling ------------------------------------------------ - |//----------------------------------------------------------------------- - | - |//-- Continuation dispatch ---------------------------------------------- - | - |->cont_dispatch: - | // BASE = meta base, RA = resultptr, RC = (nresults+1)*8 - | ldr LFUNC:CARG3, [RB, FRAME_FUNC] - | ldr CARG1, [BASE, #-16] // Get continuation. - | mov CARG4, BASE - | mov BASE, RB // Restore caller BASE. -#if LJ_HASFFI - | cmp CARG1, #1 -#endif - | ldr PC, [CARG4, #-12] // Restore PC from [cont|PC]. - | ldr CARG3, LFUNC:CARG3->field_pc - | mvn INS, #~LJ_TNIL - | add CARG2, RA, RC - | str INS, [CARG2, #-4] // Ensure one valid arg. -#if LJ_HASFFI - | bls >1 -#endif - | ldr KBASE, [CARG3, #PC2PROTO(k)] - | // BASE = base, RA = resultptr, CARG4 = meta base - | bx CARG1 - | -#if LJ_HASFFI - |1: - | beq ->cont_ffi_callback // cont = 1: return from FFI callback. - | // cont = 0: tailcall from C function. - | ldr CARG3, [BASE, FRAME_FUNC] - | sub CARG4, CARG4, #16 - | sub RC, CARG4, BASE - | b ->vm_call_tail -#endif - | - |->cont_cat: // RA = resultptr, CARG4 = meta base - | ldr INS, [PC, #-4] - | sub CARG2, CARG4, #16 - | ldrd CARG34, [RA] - | str BASE, L->base - | decode_RB8 RC, INS - | decode_RA8 RA, INS - | add CARG1, BASE, RC - | subs CARG1, CARG2, CARG1 - | strdne CARG34, [CARG2] - | movne CARG3, CARG1 - | bne ->BC_CAT_Z - | strd CARG34, [BASE, RA] - | b ->cont_nop - | - |//-- Table indexing metamethods ----------------------------------------- - | - |->vmeta_tgets1: - | add CARG2, BASE, RB - | b >2 - | - |->vmeta_tgets: - | sub CARG2, DISPATCH, #-DISPATCH_GL(tmptv) - | mvn CARG4, #~LJ_TTAB - | str TAB:RB, [CARG2] - | str CARG4, [CARG2, #4] - |2: - | mvn CARG4, #~LJ_TSTR - | str STR:RC, TMPDlo - | str CARG4, TMPDhi - | mov CARG3, TMPDp - | b >1 - | - |->vmeta_tgetb: // RC = index - | decode_RB8 RB, INS - | str RC, TMPDlo - | mvn CARG4, #~LJ_TISNUM - | add CARG2, BASE, RB - | str CARG4, TMPDhi - | mov CARG3, TMPDp - | b >1 - | - |->vmeta_tgetv: - | add CARG2, BASE, RB - | add CARG3, BASE, RC - |1: - | str BASE, L->base - | mov CARG1, L - | str PC, SAVE_PC - | bl extern lj_meta_tget // (lua_State *L, TValue *o, TValue *k) - | // Returns TValue * (finished) or NULL (metamethod). - | IOS ldr BASE, L->base - | cmp CRET1, #0 - | beq >3 - | ldrd CARG34, [CRET1] - | ins_next1 - | ins_next2 - | strd CARG34, [BASE, RA] - | ins_next3 - | - |3: // Call __index metamethod. - | // BASE = base, L->top = new base, stack = cont/func/t/k - | rsb CARG1, BASE, #FRAME_CONT - | ldr BASE, L->top - | mov NARGS8:RC, #16 // 2 args for func(t, k). - | str PC, [BASE, #-12] // [cont|PC] - | add PC, CARG1, BASE - | ldr LFUNC:CARG3, [BASE, FRAME_FUNC] // Guaranteed to be a function here. - | b ->vm_call_dispatch_f - | - |//----------------------------------------------------------------------- - | - |->vmeta_tsets1: - | add CARG2, BASE, RB - | b >2 - | - |->vmeta_tsets: - | sub CARG2, DISPATCH, #-DISPATCH_GL(tmptv) - | mvn CARG4, #~LJ_TTAB - | str TAB:RB, [CARG2] - | str CARG4, [CARG2, #4] - |2: - | mvn CARG4, #~LJ_TSTR - | str STR:RC, TMPDlo - | str CARG4, TMPDhi - | mov CARG3, TMPDp - | b >1 - | - |->vmeta_tsetb: // RC = index - | decode_RB8 RB, INS - | str RC, TMPDlo - | mvn CARG4, #~LJ_TISNUM - | add CARG2, BASE, RB - | str CARG4, TMPDhi - | mov CARG3, TMPDp - | b >1 - | - |->vmeta_tsetv: - | add CARG2, BASE, RB - | add CARG3, BASE, RC - |1: - | str BASE, L->base - | mov CARG1, L - | str PC, SAVE_PC - | bl extern lj_meta_tset // (lua_State *L, TValue *o, TValue *k) - | // Returns TValue * (finished) or NULL (metamethod). - | IOS ldr BASE, L->base - | cmp CRET1, #0 - | ldrd CARG34, [BASE, RA] - | beq >3 - | ins_next1 - | // NOBARRIER: lj_meta_tset ensures the table is not black. - | strd CARG34, [CRET1] - | ins_next2 - | ins_next3 - | - |3: // Call __newindex metamethod. - | // BASE = base, L->top = new base, stack = cont/func/t/k/(v) - | rsb CARG1, BASE, #FRAME_CONT - | ldr BASE, L->top - | mov NARGS8:RC, #24 // 3 args for func(t, k, v). - | strd CARG34, [BASE, #16] // Copy value to third argument. - | str PC, [BASE, #-12] // [cont|PC] - | add PC, CARG1, BASE - | ldr LFUNC:CARG3, [BASE, FRAME_FUNC] // Guaranteed to be a function here. - | b ->vm_call_dispatch_f - | - |//-- Comparison metamethods --------------------------------------------- - | - |->vmeta_comp: - | mov CARG1, L - | sub PC, PC, #4 - | mov CARG2, RA - | str BASE, L->base - | mov CARG3, RC - | str PC, SAVE_PC - | decode_OP CARG4, INS - | bl extern lj_meta_comp // (lua_State *L, TValue *o1, *o2, int op) - | // Returns 0/1 or TValue * (metamethod). - |3: - | IOS ldr BASE, L->base - | cmp CRET1, #1 - | bhi ->vmeta_binop - |4: - | ldrh RB, [PC, #2] - | add PC, PC, #4 - | add RB, PC, RB, lsl #2 - | subhs PC, RB, #0x20000 - |->cont_nop: - | ins_next - | - |->cont_ra: // RA = resultptr - | ldr INS, [PC, #-4] - | ldrd CARG12, [RA] - | decode_RA8 CARG3, INS - | strd CARG12, [BASE, CARG3] - | b ->cont_nop - | - |->cont_condt: // RA = resultptr - | ldr CARG2, [RA, #4] - | mvn CARG1, #~LJ_TTRUE - | cmp CARG1, CARG2 // Branch if result is true. - | b <4 - | - |->cont_condf: // RA = resultptr - | ldr CARG2, [RA, #4] - | checktp CARG2, LJ_TFALSE // Branch if result is false. - | b <4 - | - |->vmeta_equal: - | // CARG2, CARG3, CARG4 are already set by BC_ISEQV/BC_ISNEV. - | sub PC, PC, #4 - | str BASE, L->base - | mov CARG1, L - | str PC, SAVE_PC - | bl extern lj_meta_equal // (lua_State *L, GCobj *o1, *o2, int ne) - | // Returns 0/1 or TValue * (metamethod). - | b <3 - | - |->vmeta_equal_cd: -#if LJ_HASFFI - | sub PC, PC, #4 - | str BASE, L->base - | mov CARG1, L - | mov CARG2, INS - | str PC, SAVE_PC - | bl extern lj_meta_equal_cd // (lua_State *L, BCIns op) - | // Returns 0/1 or TValue * (metamethod). - | b <3 -#endif - | - |//-- Arithmetic metamethods --------------------------------------------- - | - |->vmeta_arith_vn: - | decode_RB8 RB, INS - | decode_RC8 RC, INS - | add CARG3, BASE, RB - | add CARG4, KBASE, RC - | b >1 - | - |->vmeta_arith_nv: - | decode_RB8 RB, INS - | decode_RC8 RC, INS - | add CARG4, BASE, RB - | add CARG3, KBASE, RC - | b >1 - | - |->vmeta_unm: - | ldr INS, [PC, #-8] - | sub PC, PC, #4 - | add CARG3, BASE, RC - | add CARG4, BASE, RC - | b >1 - | - |->vmeta_arith_vv: - | decode_RB8 RB, INS - | decode_RC8 RC, INS - | add CARG3, BASE, RB - | add CARG4, BASE, RC - |1: - | decode_OP OP, INS - | add CARG2, BASE, RA - | str BASE, L->base - | mov CARG1, L - | str PC, SAVE_PC - | str OP, ARG5 - | bl extern lj_meta_arith // (lua_State *L, TValue *ra,*rb,*rc, BCReg op) - | // Returns NULL (finished) or TValue * (metamethod). - | IOS ldr BASE, L->base - | cmp CRET1, #0 - | beq ->cont_nop - | - | // Call metamethod for binary op. - |->vmeta_binop: - | // BASE = old base, CRET1 = new base, stack = cont/func/o1/o2 - | sub CARG2, CRET1, BASE - | str PC, [CRET1, #-12] // [cont|PC] - | add PC, CARG2, #FRAME_CONT - | mov BASE, CRET1 - | mov NARGS8:RC, #16 // 2 args for func(o1, o2). - | b ->vm_call_dispatch - | - |->vmeta_len: - | add CARG2, BASE, RC - | str BASE, L->base - | mov CARG1, L - | str PC, SAVE_PC - | bl extern lj_meta_len // (lua_State *L, TValue *o) - | // Returns NULL (retry) or TValue * (metamethod base). - | IOS ldr BASE, L->base -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | cmp CRET1, #0 - | bne ->vmeta_binop // Binop call for compatibility. - | ldr TAB:CARG1, [BASE, RC] - | b ->BC_LEN_Z -#else - | b ->vmeta_binop // Binop call for compatibility. -#endif - | - |//-- Call metamethod ---------------------------------------------------- - | - |->vmeta_call: // Resolve and call __call metamethod. - | // RB = old base, BASE = new base, RC = nargs*8 - | mov CARG1, L - | str RB, L->base // This is the callers base! - | sub CARG2, BASE, #8 - | str PC, SAVE_PC - | add CARG3, BASE, NARGS8:RC - | IOS mov RA, BASE - | bl extern lj_meta_call // (lua_State *L, TValue *func, TValue *top) - | IOS mov BASE, RA - | ldr LFUNC:CARG3, [BASE, FRAME_FUNC] // Guaranteed to be a function here. - | add NARGS8:RC, NARGS8:RC, #8 // Got one more argument now. - | ins_call - | - |->vmeta_callt: // Resolve __call for BC_CALLT. - | // BASE = old base, RA = new base, RC = nargs*8 - | mov CARG1, L - | str BASE, L->base - | sub CARG2, RA, #8 - | str PC, SAVE_PC - | add CARG3, RA, NARGS8:RC - | bl extern lj_meta_call // (lua_State *L, TValue *func, TValue *top) - | IOS ldr BASE, L->base - | ldr LFUNC:CARG3, [RA, FRAME_FUNC] // Guaranteed to be a function here. - | ldr PC, [BASE, FRAME_PC] - | add NARGS8:RC, NARGS8:RC, #8 // Got one more argument now. - | b ->BC_CALLT2_Z - | - |//-- Argument coercion for 'for' statement ------------------------------ - | - |->vmeta_for: - | mov CARG1, L - | str BASE, L->base - | mov CARG2, RA - | str PC, SAVE_PC - | bl extern lj_meta_for // (lua_State *L, TValue *base) - | IOS ldr BASE, L->base -#if LJ_HASJIT - | ldrb OP, [PC, #-4] -#endif - | ldr INS, [PC, #-4] -#if LJ_HASJIT - | cmp OP, #BC_JFORI -#endif - | decode_RA8 RA, INS - | decode_RD RC, INS -#if LJ_HASJIT - | beq =>BC_JFORI -#endif - | b =>BC_FORI - | - |//----------------------------------------------------------------------- - |//-- Fast functions ----------------------------------------------------- - |//----------------------------------------------------------------------- - | - |.macro .ffunc, name - |->ff_ .. name: - |.endmacro - | - |.macro .ffunc_1, name - |->ff_ .. name: - | ldrd CARG12, [BASE] - | cmp NARGS8:RC, #8 - | blo ->fff_fallback - |.endmacro - | - |.macro .ffunc_2, name - |->ff_ .. name: - | ldrd CARG12, [BASE] - | ldrd CARG34, [BASE, #8] - | cmp NARGS8:RC, #16 - | blo ->fff_fallback - |.endmacro - | - |.macro .ffunc_n, name - | .ffunc_1 name - | checktp CARG2, LJ_TISNUM - | bhs ->fff_fallback - |.endmacro - | - |.macro .ffunc_nn, name - | .ffunc_2 name - | checktp CARG2, LJ_TISNUM - | cmnlo CARG4, #-LJ_TISNUM - | bhs ->fff_fallback - |.endmacro - | - |// Inlined GC threshold check. Caveat: uses CARG1 and CARG2. - |.macro ffgccheck - | ldr CARG1, [DISPATCH, #DISPATCH_GL(gc.total)] - | ldr CARG2, [DISPATCH, #DISPATCH_GL(gc.threshold)] - | cmp CARG1, CARG2 - | blge ->fff_gcstep - |.endmacro - | - |//-- Base library: checks ----------------------------------------------- - | - |.ffunc_1 assert - | checktp CARG2, LJ_TTRUE - | bhi ->fff_fallback - | ldr PC, [BASE, FRAME_PC] - | strd CARG12, [BASE, #-8] - | mov RB, BASE - | subs RA, NARGS8:RC, #8 - | add RC, NARGS8:RC, #8 // Compute (nresults+1)*8. - | beq ->fff_res // Done if exactly 1 argument. - |1: - | ldrd CARG12, [RB, #8] - | subs RA, RA, #8 - | strd CARG12, [RB], #8 - | bne <1 - | b ->fff_res - | - |.ffunc type - | ldr CARG2, [BASE, #4] - | cmp NARGS8:RC, #8 - | blo ->fff_fallback - | checktp CARG2, LJ_TISNUM - | mvnlo CARG2, #~LJ_TISNUM - | rsb CARG4, CARG2, #(int)(offsetof(GCfuncC, upvalue)>>3)-1 - | lsl CARG4, CARG4, #3 - | ldrd CARG12, [CFUNC:CARG3, CARG4] - | b ->fff_restv - | - |//-- Base library: getters and setters --------------------------------- - | - |.ffunc_1 getmetatable - | checktp CARG2, LJ_TTAB - | cmnne CARG2, #-LJ_TUDATA - | bne >6 - |1: // Field metatable must be at same offset for GCtab and GCudata! - | ldr TAB:RB, TAB:CARG1->metatable - |2: - | mvn CARG2, #~LJ_TNIL - | ldr STR:RC, [DISPATCH, #DISPATCH_GL(gcroot[GCROOT_MMNAME+MM_metatable])] - | cmp TAB:RB, #0 - | beq ->fff_restv - | ldr CARG3, TAB:RB->hmask - | ldr CARG4, STR:RC->hash - | ldr NODE:INS, TAB:RB->node - | and CARG3, CARG3, CARG4 // idx = str->hash & tab->hmask - | add CARG3, CARG3, CARG3, lsl #1 - | add NODE:INS, NODE:INS, CARG3, lsl #3 // node = tab->node + idx*3*8 - |3: // Rearranged logic, because we expect _not_ to find the key. - | ldrd CARG34, NODE:INS->key // STALL: early NODE:INS. - | ldrd CARG12, NODE:INS->val - | ldr NODE:INS, NODE:INS->next - | cmp CARG3, STR:RC - | checktpeq CARG4, LJ_TSTR - | beq >5 - | cmp NODE:INS, #0 - | bne <3 - |4: - | mov CARG1, RB // Use metatable as default result. - | mvn CARG2, #~LJ_TTAB - | b ->fff_restv - |5: - | checktp CARG2, LJ_TNIL - | bne ->fff_restv - | b <4 - | - |6: - | checktp CARG2, LJ_TISNUM - | mvnhs CARG2, CARG2 - | movlo CARG2, #~LJ_TISNUM - | add CARG4, DISPATCH, CARG2, lsl #2 - | ldr TAB:RB, [CARG4, #DISPATCH_GL(gcroot[GCROOT_BASEMT])] - | b <2 - | - |.ffunc_2 setmetatable - | // Fast path: no mt for table yet and not clearing the mt. - | checktp CARG2, LJ_TTAB - | ldreq TAB:RB, TAB:CARG1->metatable - | checktpeq CARG4, LJ_TTAB - | ldrbeq CARG4, TAB:CARG1->marked - | cmpeq TAB:RB, #0 - | bne ->fff_fallback - | tst CARG4, #LJ_GC_BLACK // isblack(table) - | str TAB:CARG3, TAB:CARG1->metatable - | beq ->fff_restv - | barrierback TAB:CARG1, CARG4, CARG3 - | b ->fff_restv - | - |.ffunc rawget - | ldrd CARG34, [BASE] - | cmp NARGS8:RC, #16 - | blo ->fff_fallback - | mov CARG2, CARG3 - | checktab CARG4, ->fff_fallback - | mov CARG1, L - | add CARG3, BASE, #8 - | IOS mov RA, BASE - | bl extern lj_tab_get // (lua_State *L, GCtab *t, cTValue *key) - | // Returns cTValue *. - | IOS mov BASE, RA - | ldrd CARG12, [CRET1] - | b ->fff_restv - | - |//-- Base library: conversions ------------------------------------------ - | - |.ffunc_1 tonumber - | // Only handles the number case inline (without a base argument). - | checktp CARG2, LJ_TISNUM - | bls ->fff_restv - | b ->fff_fallback - | - |.ffunc_1 tostring - | // Only handles the string or number case inline. - | checktp CARG2, LJ_TSTR - | // A __tostring method in the string base metatable is ignored. - | beq ->fff_restv - | // Handle numbers inline, unless a number base metatable is present. - | ldr CARG4, [DISPATCH, #DISPATCH_GL(gcroot[GCROOT_BASEMT_NUM])] - | str BASE, L->base - | checktp CARG2, LJ_TISNUM - | cmpls CARG4, #0 - | str PC, SAVE_PC // Redundant (but a defined value). - | bhi ->fff_fallback - | ffgccheck - | mov CARG1, L - | mov CARG2, BASE - | bl extern lj_str_fromnumber // (lua_State *L, cTValue *o) - | // Returns GCstr *. - | ldr BASE, L->base - | mvn CARG2, #~LJ_TSTR - | b ->fff_restv - | - |//-- Base library: iterators ------------------------------------------- - | - |.ffunc_1 next - | mvn CARG4, #~LJ_TNIL - | checktab CARG2, ->fff_fallback - | strd CARG34, [BASE, NARGS8:RC] // Set missing 2nd arg to nil. - | ldr PC, [BASE, FRAME_PC] - | mov CARG2, CARG1 - | str BASE, L->base // Add frame since C call can throw. - | mov CARG1, L - | str BASE, L->top // Dummy frame length is ok. - | add CARG3, BASE, #8 - | str PC, SAVE_PC - | bl extern lj_tab_next // (lua_State *L, GCtab *t, TValue *key) - | // Returns 0 at end of traversal. - | IOS ldr BASE, L->base - | cmp CRET1, #0 - | mvneq CRET2, #~LJ_TNIL - | beq ->fff_restv // End of traversal: return nil. - | ldrd CARG12, [BASE, #8] // Copy key and value to results. - | ldrd CARG34, [BASE, #16] - | mov RC, #(2+1)*8 - | strd CARG12, [BASE, #-8] - | strd CARG34, [BASE] - | b ->fff_res - | - |.ffunc_1 pairs - | checktab CARG2, ->fff_fallback -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | ldr TAB:RB, TAB:CARG1->metatable -#endif - | ldrd CFUNC:CARG34, CFUNC:CARG3->upvalue[0] - | ldr PC, [BASE, FRAME_PC] -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | cmp TAB:RB, #0 - | bne ->fff_fallback -#endif - | mvn CARG2, #~LJ_TNIL - | mov RC, #(3+1)*8 - | strd CFUNC:CARG34, [BASE, #-8] - | str CARG2, [BASE, #12] - | b ->fff_res - | - |.ffunc_2 ipairs_aux - | checktp CARG2, LJ_TTAB - | checktpeq CARG4, LJ_TISNUM - | bne ->fff_fallback - | ldr RB, TAB:CARG1->asize - | ldr RC, TAB:CARG1->array - | add CARG3, CARG3, #1 - | ldr PC, [BASE, FRAME_PC] - | cmp CARG3, RB - | add RC, RC, CARG3, lsl #3 - | strd CARG34, [BASE, #-8] - | ldrdlo CARG12, [RC] - | mov RC, #(0+1)*8 - | bhs >2 // Not in array part? - |1: - | checktp CARG2, LJ_TNIL - | movne RC, #(2+1)*8 - | strdne CARG12, [BASE] - | b ->fff_res - |2: // Check for empty hash part first. Otherwise call C function. - | ldr RB, TAB:CARG1->hmask - | mov CARG2, CARG3 - | cmp RB, #0 - | beq ->fff_res - | IOS mov RA, BASE - | bl extern lj_tab_getinth // (GCtab *t, int32_t key) - | // Returns cTValue * or NULL. - | IOS mov BASE, RA - | cmp CRET1, #0 - | beq ->fff_res - | ldrd CARG12, [CRET1] - | b <1 - | - |.ffunc_1 ipairs - | checktab CARG2, ->fff_fallback -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | ldr TAB:RB, TAB:CARG1->metatable -#endif - | ldrd CFUNC:CARG34, CFUNC:CARG3->upvalue[0] - | ldr PC, [BASE, FRAME_PC] -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | cmp TAB:RB, #0 - | bne ->fff_fallback -#endif - | mov CARG1, #0 - | mvn CARG2, #~LJ_TISNUM - | mov RC, #(3+1)*8 - | strd CFUNC:CARG34, [BASE, #-8] - | strd CARG12, [BASE, #8] - | b ->fff_res - | - |//-- Base library: catch errors ---------------------------------------- - | - |.ffunc pcall - | ldrb RA, [DISPATCH, #DISPATCH_GL(hookmask)] - | cmp NARGS8:RC, #8 - | blo ->fff_fallback - | tst RA, #HOOK_ACTIVE // Remember active hook before pcall. - | mov RB, BASE - | add BASE, BASE, #8 - | moveq PC, #8+FRAME_PCALL - | movne PC, #8+FRAME_PCALLH - | sub NARGS8:RC, NARGS8:RC, #8 - | b ->vm_call_dispatch - | - |.ffunc_2 xpcall - | ldrb RA, [DISPATCH, #DISPATCH_GL(hookmask)] - | checkfunc CARG4, ->fff_fallback // Traceback must be a function. - | mov RB, BASE - | strd CARG12, [BASE, #8] // Swap function and traceback. - | strd CARG34, [BASE] - | tst RA, #HOOK_ACTIVE // Remember active hook before pcall. - | add BASE, BASE, #16 - | moveq PC, #16+FRAME_PCALL - | movne PC, #16+FRAME_PCALLH - | sub NARGS8:RC, NARGS8:RC, #16 - | b ->vm_call_dispatch - | - |//-- Coroutine library -------------------------------------------------- - | - |.macro coroutine_resume_wrap, resume - |.if resume - |.ffunc_1 coroutine_resume - | checktp CARG2, LJ_TTHREAD - | bne ->fff_fallback - |.else - |.ffunc coroutine_wrap_aux - | ldr L:CARG1, CFUNC:CARG3->upvalue[0].gcr - |.endif - | ldr PC, [BASE, FRAME_PC] - | str BASE, L->base - | ldr CARG2, L:CARG1->top - | ldrb RA, L:CARG1->status - | ldr RB, L:CARG1->base - | add CARG3, CARG2, NARGS8:RC - | add CARG4, CARG2, RA - | str PC, SAVE_PC - | cmp CARG4, RB - | beq ->fff_fallback - | ldr CARG4, L:CARG1->maxstack - | ldr RB, L:CARG1->cframe - | cmp RA, #LUA_YIELD - | cmpls CARG3, CARG4 - | cmpls RB, #0 - | bhi ->fff_fallback - |1: - |.if resume - | sub CARG3, CARG3, #8 // Keep resumed thread in stack for GC. - | add BASE, BASE, #8 - | sub NARGS8:RC, NARGS8:RC, #8 - |.endif - | str CARG3, L:CARG1->top - | str BASE, L->top - |2: // Move args to coroutine. - | ldrd CARG34, [BASE, RB] - | cmp RB, NARGS8:RC - | strdne CARG34, [CARG2, RB] - | add RB, RB, #8 - | bne <2 - | - | mov CARG3, #0 - | mov L:RA, L:CARG1 - | mov CARG4, #0 - | bl ->vm_resume // (lua_State *L, TValue *base, 0, 0) - | // Returns thread status. - |4: - | ldr CARG3, L:RA->base - | mv_vmstate CARG2, INTERP - | ldr CARG4, L:RA->top - | st_vmstate CARG2 - | cmp CRET1, #LUA_YIELD - | ldr BASE, L->base - | bhi >8 - | subs RC, CARG4, CARG3 - | ldr CARG1, L->maxstack - | add CARG2, BASE, RC - | beq >6 // No results? - | cmp CARG2, CARG1 - | mov RB, #0 - | bhi >9 // Need to grow stack? - | - | sub CARG4, RC, #8 - | str CARG3, L:RA->top // Clear coroutine stack. - |5: // Move results from coroutine. - | ldrd CARG12, [CARG3, RB] - | cmp RB, CARG4 - | strd CARG12, [BASE, RB] - | add RB, RB, #8 - | bne <5 - |6: - |.if resume - | mvn CARG3, #~LJ_TTRUE - | add RC, RC, #16 - |7: - | str CARG3, [BASE, #-4] // Prepend true/false to results. - | sub RA, BASE, #8 - |.else - | mov RA, BASE - | add RC, RC, #8 - |.endif - | ands CARG1, PC, #FRAME_TYPE - | str PC, SAVE_PC - | str RC, SAVE_MULTRES - | beq ->BC_RET_Z - | b ->vm_return - | - |8: // Coroutine returned with error (at co->top-1). - |.if resume - | ldrd CARG12, [CARG4, #-8]! - | mvn CARG3, #~LJ_TFALSE - | mov RC, #(2+1)*8 - | str CARG4, L:RA->top // Remove error from coroutine stack. - | strd CARG12, [BASE] // Copy error message. - | b <7 - |.else - | mov CARG1, L - | mov CARG2, L:RA - | bl extern lj_ffh_coroutine_wrap_err // (lua_State *L, lua_State *co) - | // Never returns. - |.endif - | - |9: // Handle stack expansion on return from yield. - | mov CARG1, L - | lsr CARG2, RC, #3 - | bl extern lj_state_growstack // (lua_State *L, int n) - | mov CRET1, #0 - | b <4 - |.endmacro - | - | coroutine_resume_wrap 1 // coroutine.resume - | coroutine_resume_wrap 0 // coroutine.wrap - | - |.ffunc coroutine_yield - | ldr CARG1, L->cframe - | add CARG2, BASE, NARGS8:RC - | str BASE, L->base - | tst CARG1, #CFRAME_RESUME - | str CARG2, L->top - | mov CRET1, #LUA_YIELD - | mov CARG3, #0 - | beq ->fff_fallback - | str CARG3, L->cframe - | strb CRET1, L->status - | b ->vm_leave_unw - | - |//-- Math library ------------------------------------------------------- - | - |.macro math_round, func - | .ffunc_1 math_ .. func - | checktp CARG2, LJ_TISNUM - | beq ->fff_restv - | bhi ->fff_fallback - | // Round FP value and normalize result. - | lsl CARG3, CARG2, #1 - | adds RB, CARG3, #0x00200000 - | bpl >2 // |x| < 1? - | mvn CARG4, #0x3e0 - | subs RB, CARG4, RB, asr #21 - | lsl CARG4, CARG2, #11 - | lsl CARG3, CARG1, #11 - | orr CARG4, CARG4, #0x80000000 - | rsb INS, RB, #32 - | orr CARG4, CARG4, CARG1, lsr #21 - | bls >3 // |x| >= 2^31? - | orr CARG3, CARG3, CARG4, lsl INS - | lsr CARG1, CARG4, RB - |.if "func" == "floor" - | tst CARG3, CARG2, asr #31 - | addne CARG1, CARG1, #1 - |.else - | bics CARG3, CARG3, CARG2, asr #31 - | addsne CARG1, CARG1, #1 - | ldrdvs CARG12, >9 - | bvs ->fff_restv - |.endif - | cmp CARG2, #0 - | rsblt CARG1, CARG1, #0 - |1: - | mvn CARG2, #~LJ_TISNUM - | b ->fff_restv - | - |2: // |x| < 1 - | orr CARG3, CARG3, CARG1 // ztest = abs(hi) | lo - |.if "func" == "floor" - | tst CARG3, CARG2, asr #31 // return (ztest & sign) == 0 ? 0 : -1 - | moveq CARG1, #0 - | mvnne CARG1, #0 - |.else - | bics CARG3, CARG3, CARG2, asr #31 // return (ztest & ~sign) == 0 ? 0 : 1 - | moveq CARG1, #0 - | movne CARG1, #1 - |.endif - | mvn CARG2, #~LJ_TISNUM - | b ->fff_restv - | - |3: // |x| >= 2^31. Check for x == -(2^31). - | cmpeq CARG4, #0x80000000 - |.if "func" == "floor" - | cmpeq CARG3, #0 - |.endif - | bne >4 - | cmp CARG2, #0 - | movmi CARG1, #0x80000000 - | bmi <1 - |4: - | bl ->vm_..func - | b ->fff_restv - |.endmacro - | - | math_round floor - | math_round ceil - | - |.align 8 - |9: - | .long 0x00000000, 0x41e00000 // 2^31. - | - |.ffunc_1 math_abs - | checktp CARG2, LJ_TISNUM - | bhi ->fff_fallback - | bicne CARG2, CARG2, #0x80000000 - | bne ->fff_restv - | cmp CARG1, #0 - | rsbslt CARG1, CARG1, #0 - | ldrdvs CARG12, <9 - | // Fallthrough. - | - |->fff_restv: - | // CARG12 = TValue result. - | ldr PC, [BASE, FRAME_PC] - | strd CARG12, [BASE, #-8] - |->fff_res1: - | // PC = return. - | mov RC, #(1+1)*8 - |->fff_res: - | // RC = (nresults+1)*8, PC = return. - | ands CARG1, PC, #FRAME_TYPE - | ldreq INS, [PC, #-4] - | str RC, SAVE_MULTRES - | sub RA, BASE, #8 - | bne ->vm_return - | decode_RB8 RB, INS - |5: - | cmp RB, RC // More results expected? - | bhi >6 - | decode_RA8 CARG1, INS - | ins_next1 - | ins_next2 - | // Adjust BASE. KBASE is assumed to be set for the calling frame. - | sub BASE, RA, CARG1 - | ins_next3 - | - |6: // Fill up results with nil. - | add CARG2, RA, RC - | mvn CARG1, #~LJ_TNIL - | add RC, RC, #8 - | str CARG1, [CARG2, #-4] - | b <5 - | - |.macro math_extern, func - | .ffunc_n math_ .. func - | IOS mov RA, BASE - | bl extern func - | IOS mov BASE, RA - | b ->fff_restv - |.endmacro - | - |.macro math_extern2, func - | .ffunc_nn math_ .. func - | IOS mov RA, BASE - | bl extern func - | IOS mov BASE, RA - | b ->fff_restv - |.endmacro - | - | math_extern sqrt - | math_extern log - | math_extern log10 - | math_extern exp - | math_extern sin - | math_extern cos - | math_extern tan - | math_extern asin - | math_extern acos - | math_extern atan - | math_extern sinh - | math_extern cosh - | math_extern tanh - | math_extern2 pow - | math_extern2 atan2 - | math_extern2 fmod - | - |->ff_math_deg: - |.ffunc_n math_rad - | ldrd CARG34, CFUNC:CARG3->upvalue[0] - | bl extern __aeabi_dmul - | b ->fff_restv - | - |.ffunc_2 math_ldexp - | checktp CARG2, LJ_TISNUM - | bhs ->fff_fallback - | checktp CARG4, LJ_TISNUM - | bne ->fff_fallback - | IOS mov RA, BASE - | bl extern ldexp // (double x, int exp) - | IOS mov BASE, RA - | b ->fff_restv - | - |.ffunc_n math_frexp - | mov CARG3, sp - | IOS mov RA, BASE - | bl extern frexp - | IOS mov BASE, RA - | ldr CARG3, [sp] - | mvn CARG4, #~LJ_TISNUM - | ldr PC, [BASE, FRAME_PC] - | strd CARG12, [BASE, #-8] - | mov RC, #(2+1)*8 - | strd CARG34, [BASE] - | b ->fff_res - | - |.ffunc_n math_modf - | sub CARG3, BASE, #8 - | ldr PC, [BASE, FRAME_PC] - | IOS mov RA, BASE - | bl extern modf - | IOS mov BASE, RA - | mov RC, #(2+1)*8 - | strd CARG12, [BASE] - | b ->fff_res - | - |.macro math_minmax, name, cond, fcond - | .ffunc_1 name - | checktp CARG2, LJ_TISNUM - | mov RA, #8 - | bne >4 - |1: // Handle integers. - | ldrd CARG34, [BASE, RA] - | cmp RA, RC - | bhs ->fff_restv - | checktp CARG4, LJ_TISNUM - | bne >3 - | cmp CARG1, CARG3 - | add RA, RA, #8 - | mov..cond CARG1, CARG3 - | b <1 - |3: - | bhi ->fff_fallback - | // Convert intermediate result to number and continue below. - | bl extern __aeabi_i2d - | ldrd CARG34, [BASE, RA] - | b >6 - | - |4: - | bhi ->fff_fallback - |5: // Handle numbers. - | ldrd CARG34, [BASE, RA] - | cmp RA, RC - | bhs ->fff_restv - | checktp CARG4, LJ_TISNUM - | bhs >7 - |6: - | bl extern __aeabi_cdcmple - | add RA, RA, #8 - | mov..fcond CARG1, CARG3 - | mov..fcond CARG2, CARG4 - | b <5 - |7: // Convert integer to number and continue above. - | bhi ->fff_fallback - | strd CARG12, TMPD - | mov CARG1, CARG3 - | bl extern __aeabi_i2d - | ldrd CARG34, TMPD - | b <6 - |.endmacro - | - | math_minmax math_min, gt, hi - | math_minmax math_max, lt, lo - | - |//-- String library ----------------------------------------------------- - | - |.ffunc_1 string_len - | checkstr CARG2, ->fff_fallback - | ldr CARG1, STR:CARG1->len - | mvn CARG2, #~LJ_TISNUM - | b ->fff_restv - | - |.ffunc string_byte // Only handle the 1-arg case here. - | ldrd CARG12, [BASE] - | ldr PC, [BASE, FRAME_PC] - | cmp NARGS8:RC, #8 - | checktpeq CARG2, LJ_TSTR // Need exactly 1 argument. - | bne ->fff_fallback - | ldr CARG3, STR:CARG1->len - | ldrb CARG1, STR:CARG1[1] // Access is always ok (NUL at end). - | mvn CARG2, #~LJ_TISNUM - | cmp CARG3, #0 - | moveq RC, #(0+1)*8 - | movne RC, #(1+1)*8 - | strd CARG12, [BASE, #-8] - | b ->fff_res - | - |.ffunc string_char // Only handle the 1-arg case here. - | ffgccheck - | ldrd CARG12, [BASE] - | ldr PC, [BASE, FRAME_PC] - | cmp NARGS8:RC, #8 // Need exactly 1 argument. - | checktpeq CARG2, LJ_TISNUM - | bicseq CARG4, CARG1, #255 - | mov CARG3, #1 - | bne ->fff_fallback - | str CARG1, TMPD - | mov CARG2, TMPDp // Points to stack. Little-endian. - |->fff_newstr: - | // CARG2 = str, CARG3 = len. - | str BASE, L->base - | mov CARG1, L - | str PC, SAVE_PC - | bl extern lj_str_new // (lua_State *L, char *str, size_t l) - | // Returns GCstr *. - | ldr BASE, L->base - | mvn CARG2, #~LJ_TSTR - | b ->fff_restv - | - |.ffunc string_sub - | ffgccheck - | ldrd CARG12, [BASE] - | ldrd CARG34, [BASE, #16] - | cmp NARGS8:RC, #16 - | mvn RB, #0 - | beq >1 - | blo ->fff_fallback - | checktp CARG4, LJ_TISNUM - | mov RB, CARG3 - | bne ->fff_fallback - |1: - | ldrd CARG34, [BASE, #8] - | checktp CARG2, LJ_TSTR - | ldreq CARG2, STR:CARG1->len - | checktpeq CARG4, LJ_TISNUM - | bne ->fff_fallback - | // CARG1 = str, CARG2 = str->len, CARG3 = start, RB = end - | add CARG4, CARG2, #1 - | cmp CARG3, #0 // if (start < 0) start += len+1 - | addlt CARG3, CARG3, CARG4 - | cmp CARG3, #1 // if (start < 1) start = 1 - | movlt CARG3, #1 - | cmp RB, #0 // if (end < 0) end += len+1 - | addlt RB, RB, CARG4 - | bic RB, RB, RB, asr #31 // if (end < 0) end = 0 - | cmp RB, CARG2 // if (end > len) end = len - | add CARG1, STR:CARG1, #sizeof(GCstr)-1 - | movgt RB, CARG2 - | add CARG2, CARG1, CARG3 - | subs CARG3, RB, CARG3 // len = start - end - | add CARG3, CARG3, #1 // len += 1 - | bge ->fff_newstr - |->fff_emptystr: - | sub STR:CARG1, DISPATCH, #-DISPATCH_GL(strempty) - | mvn CARG2, #~LJ_TSTR - | b ->fff_restv - | - |.ffunc string_rep // Only handle the 1-char case inline. - | ffgccheck - | ldrd CARG12, [BASE] - | ldrd CARG34, [BASE, #8] - | cmp NARGS8:RC, #16 - | blo ->fff_fallback - | checktp CARG2, LJ_TSTR - | checktpeq CARG4, LJ_TISNUM - | bne ->fff_fallback - | subs CARG4, CARG3, #1 - | ldr CARG2, STR:CARG1->len - | blt ->fff_emptystr // Count <= 0? - | cmp CARG2, #1 - | blo ->fff_emptystr // Zero-length string? - | bne ->fff_fallback // Fallback for > 1-char strings. - | ldr RB, [DISPATCH, #DISPATCH_GL(tmpbuf.sz)] - | ldr CARG2, [DISPATCH, #DISPATCH_GL(tmpbuf.buf)] - | ldr CARG1, STR:CARG1[1] - | cmp RB, CARG3 - | blo ->fff_fallback - |1: // Fill buffer with char. - | strb CARG1, [CARG2, CARG4] - | subs CARG4, CARG4, #1 - | bge <1 - | b ->fff_newstr - | - |.ffunc string_reverse - | ffgccheck - | ldrd CARG12, [BASE] - | cmp NARGS8:RC, #8 - | blo ->fff_fallback - | checkstr CARG2, ->fff_fallback - | ldr CARG3, STR:CARG1->len - | ldr RB, [DISPATCH, #DISPATCH_GL(tmpbuf.sz)] - | ldr CARG2, [DISPATCH, #DISPATCH_GL(tmpbuf.buf)] - | mov CARG4, CARG3 - | add CARG1, STR:CARG1, #sizeof(GCstr) - | cmp RB, CARG3 - | blo ->fff_fallback - |1: // Reverse string copy. - | ldrb RB, [CARG1], #1 - | subs CARG4, CARG4, #1 - | blt ->fff_newstr - | strb RB, [CARG2, CARG4] - | b <1 - | - |.macro ffstring_case, name, lo - | .ffunc name - | ffgccheck - | ldrd CARG12, [BASE] - | cmp NARGS8:RC, #8 - | blo ->fff_fallback - | checkstr CARG2, ->fff_fallback - | ldr CARG3, STR:CARG1->len - | ldr RB, [DISPATCH, #DISPATCH_GL(tmpbuf.sz)] - | ldr CARG2, [DISPATCH, #DISPATCH_GL(tmpbuf.buf)] - | mov CARG4, #0 - | add CARG1, STR:CARG1, #sizeof(GCstr) - | cmp RB, CARG3 - | blo ->fff_fallback - |1: // ASCII case conversion. - | ldrb RB, [CARG1, CARG4] - | cmp CARG4, CARG3 - | bhs ->fff_newstr - | sub RC, RB, #lo - | cmp RC, #26 - | eorlo RB, RB, #0x20 - | strb RB, [CARG2, CARG4] - | add CARG4, CARG4, #1 - | b <1 - |.endmacro - | - |ffstring_case string_lower, 65 - |ffstring_case string_upper, 97 - | - |//-- Table library ------------------------------------------------------ - | - |.ffunc_1 table_getn - | checktab CARG2, ->fff_fallback - | IOS mov RA, BASE - | bl extern lj_tab_len // (GCtab *t) - | // Returns uint32_t (but less than 2^31). - | IOS mov BASE, RA - | mvn CARG2, #~LJ_TISNUM - | b ->fff_restv - | - |//-- Bit library -------------------------------------------------------- - | - |// FP number to bit conversion for soft-float. Clobbers r0-r3. - |->vm_tobit_fb: - | bhi ->fff_fallback - |->vm_tobit: - | lsl RB, CARG2, #1 - | adds RB, RB, #0x00200000 - | movpl CARG1, #0 // |x| < 1? - | bxpl lr - | mvn CARG4, #0x3e0 - | subs RB, CARG4, RB, asr #21 - | bmi >1 // |x| >= 2^32? - | lsl CARG4, CARG2, #11 - | orr CARG4, CARG4, #0x80000000 - | orr CARG4, CARG4, CARG1, lsr #21 - | cmp CARG2, #0 - | lsr CARG1, CARG4, RB - | rsblt CARG1, CARG1, #0 - | bx lr - |1: - | add RB, RB, #21 - | lsr CARG4, CARG1, RB - | rsb RB, RB, #20 - | lsl CARG1, CARG2, #12 - | cmp CARG2, #0 - | orr CARG1, CARG4, CARG1, lsl RB - | rsblt CARG1, CARG1, #0 - | bx lr - | - |.macro .ffunc_bit, name - | .ffunc_1 bit_..name - | checktp CARG2, LJ_TISNUM - | blne ->vm_tobit_fb - |.endmacro - | - |.ffunc_bit tobit - | mvn CARG2, #~LJ_TISNUM - | b ->fff_restv - | - |.macro .ffunc_bit_op, name, ins - | .ffunc_bit name - | mov CARG3, CARG1 - | mov RA, #8 - |1: - | ldrd CARG12, [BASE, RA] - | cmp RA, NARGS8:RC - | add RA, RA, #8 - | bge >2 - | checktp CARG2, LJ_TISNUM - | blne ->vm_tobit_fb - | ins CARG3, CARG3, CARG1 - | b <1 - |.endmacro - | - |.ffunc_bit_op band, and - |.ffunc_bit_op bor, orr - |.ffunc_bit_op bxor, eor - | - |2: - | mvn CARG4, #~LJ_TISNUM - | ldr PC, [BASE, FRAME_PC] - | strd CARG34, [BASE, #-8] - | b ->fff_res1 - | - |.ffunc_bit bswap - | eor CARG3, CARG1, CARG1, ror #16 - | bic CARG3, CARG3, #0x00ff0000 - | ror CARG1, CARG1, #8 - | mvn CARG2, #~LJ_TISNUM - | eor CARG1, CARG1, CARG3, lsr #8 - | b ->fff_restv - | - |.ffunc_bit bnot - | mvn CARG1, CARG1 - | mvn CARG2, #~LJ_TISNUM - | b ->fff_restv - | - |.macro .ffunc_bit_sh, name, ins, shmod - | .ffunc bit_..name - | ldrd CARG12, [BASE, #8] - | cmp NARGS8:RC, #16 - | blo ->fff_fallback - | checktp CARG2, LJ_TISNUM - | blne ->vm_tobit_fb - |.if shmod == 0 - | and RA, CARG1, #31 - |.else - | rsb RA, CARG1, #0 - |.endif - | ldrd CARG12, [BASE] - | checktp CARG2, LJ_TISNUM - | blne ->vm_tobit_fb - | ins CARG1, CARG1, RA - | mvn CARG2, #~LJ_TISNUM - | b ->fff_restv - |.endmacro - | - |.ffunc_bit_sh lshift, lsl, 0 - |.ffunc_bit_sh rshift, lsr, 0 - |.ffunc_bit_sh arshift, asr, 0 - |.ffunc_bit_sh rol, ror, 1 - |.ffunc_bit_sh ror, ror, 0 - | - |//----------------------------------------------------------------------- - | - |->fff_fallback: // Call fast function fallback handler. - | // BASE = new base, RC = nargs*8 - | ldr CARG3, [BASE, FRAME_FUNC] - | ldr CARG2, L->maxstack - | add CARG1, BASE, NARGS8:RC - | ldr PC, [BASE, FRAME_PC] // Fallback may overwrite PC. - | str CARG1, L->top - | ldr CARG3, CFUNC:CARG3->f - | str BASE, L->base - | add CARG1, CARG1, #8*LUA_MINSTACK - | str PC, SAVE_PC // Redundant (but a defined value). - | cmp CARG1, CARG2 - | mov CARG1, L - | bhi >5 // Need to grow stack. - | blx CARG3 // (lua_State *L) - | // Either throws an error, or recovers and returns -1, 0 or nresults+1. - | ldr BASE, L->base - | cmp CRET1, #0 - | lsl RC, CRET1, #3 - | sub RA, BASE, #8 - | bgt ->fff_res // Returned nresults+1? - |1: // Returned 0 or -1: retry fast path. - | ldr CARG1, L->top - | ldr LFUNC:CARG3, [BASE, FRAME_FUNC] - | sub NARGS8:RC, CARG1, BASE - | bne ->vm_call_tail // Returned -1? - | ins_callt // Returned 0: retry fast path. - | - |// Reconstruct previous base for vmeta_call during tailcall. - |->vm_call_tail: - | ands CARG1, PC, #FRAME_TYPE - | bic CARG2, PC, #FRAME_TYPEP - | ldreq INS, [PC, #-4] - | andeq CARG2, MASKR8, INS, lsr #5 // Conditional decode_RA8. - | sub RB, BASE, CARG2 - | b ->vm_call_dispatch // Resolve again for tailcall. - | - |5: // Grow stack for fallback handler. - | mov CARG2, #LUA_MINSTACK - | bl extern lj_state_growstack // (lua_State *L, int n) - | ldr BASE, L->base - | cmp CARG1, CARG1 // Set zero-flag to force retry. - | b <1 - | - |->fff_gcstep: // Call GC step function. - | // BASE = new base, RC = nargs*8 - | mov RA, lr - | str BASE, L->base - | add CARG2, BASE, NARGS8:RC - | str PC, SAVE_PC // Redundant (but a defined value). - | str CARG2, L->top - | mov CARG1, L - | bl extern lj_gc_step // (lua_State *L) - | ldr BASE, L->base - | mov lr, RA // Help return address predictor. - | ldr CFUNC:CARG3, [BASE, FRAME_FUNC] - | bx lr - | - |//----------------------------------------------------------------------- - |//-- Special dispatch targets ------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_record: // Dispatch target for recording phase. -#if LJ_HASJIT - | ldrb CARG1, [DISPATCH, #DISPATCH_GL(hookmask)] - | tst CARG1, #HOOK_VMEVENT // No recording while in vmevent. - | bne >5 - | // Decrement the hookcount for consistency, but always do the call. - | ldr CARG2, [DISPATCH, #DISPATCH_GL(hookcount)] - | tst CARG1, #HOOK_ACTIVE - | bne >1 - | sub CARG2, CARG2, #1 - | tst CARG1, #LUA_MASKLINE|LUA_MASKCOUNT - | strne CARG2, [DISPATCH, #DISPATCH_GL(hookcount)] - | b >1 -#endif - | - |->vm_rethook: // Dispatch target for return hooks. - | ldrb CARG1, [DISPATCH, #DISPATCH_GL(hookmask)] - | tst CARG1, #HOOK_ACTIVE // Hook already active? - | beq >1 - |5: // Re-dispatch to static ins. - | decode_OP OP, INS - | add OP, DISPATCH, OP, lsl #2 - | ldr pc, [OP, #GG_DISP2STATIC] - | - |->vm_inshook: // Dispatch target for instr/line hooks. - | ldrb CARG1, [DISPATCH, #DISPATCH_GL(hookmask)] - | ldr CARG2, [DISPATCH, #DISPATCH_GL(hookcount)] - | tst CARG1, #HOOK_ACTIVE // Hook already active? - | bne <5 - | tst CARG1, #LUA_MASKLINE|LUA_MASKCOUNT - | beq <5 - | subs CARG2, CARG2, #1 - | str CARG2, [DISPATCH, #DISPATCH_GL(hookcount)] - | beq >1 - | tst CARG1, #LUA_MASKLINE - | beq <5 - |1: - | mov CARG1, L - | str BASE, L->base - | mov CARG2, PC - | // SAVE_PC must hold the _previous_ PC. The callee updates it with PC. - | bl extern lj_dispatch_ins // (lua_State *L, const BCIns *pc) - |3: - | ldr BASE, L->base - |4: // Re-dispatch to static ins. - | ldrb OP, [PC, #-4] - | ldr INS, [PC, #-4] - | add OP, DISPATCH, OP, lsl #2 - | ldr OP, [OP, #GG_DISP2STATIC] - | decode_RA8 RA, INS - | decode_RD RC, INS - | bx OP - | - |->cont_hook: // Continue from hook yield. - | ldr CARG1, [CARG4, #-24] - | add PC, PC, #4 - | str CARG1, SAVE_MULTRES // Restore MULTRES for *M ins. - | b <4 - | - |->vm_hotloop: // Hot loop counter underflow. -#if LJ_HASJIT - | ldr LFUNC:CARG3, [BASE, FRAME_FUNC] // Same as curr_topL(L). - | sub CARG1, DISPATCH, #-GG_DISP2J - | str PC, SAVE_PC - | ldr CARG3, LFUNC:CARG3->field_pc - | mov CARG2, PC - | str L, [DISPATCH, #DISPATCH_J(L)] - | ldrb CARG3, [CARG3, #PC2PROTO(framesize)] - | str BASE, L->base - | add CARG3, BASE, CARG3, lsl #3 - | str CARG3, L->top - | bl extern lj_trace_hot // (jit_State *J, const BCIns *pc) - | b <3 -#endif - | - |->vm_callhook: // Dispatch target for call hooks. - | mov CARG2, PC -#if LJ_HASJIT - | b >1 -#endif - | - |->vm_hotcall: // Hot call counter underflow. -#if LJ_HASJIT - | orr CARG2, PC, #1 - |1: -#endif - | add CARG4, BASE, RC - | str PC, SAVE_PC - | mov CARG1, L - | str BASE, L->base - | sub RA, RA, BASE - | str CARG4, L->top - | bl extern lj_dispatch_call // (lua_State *L, const BCIns *pc) - | // Returns ASMFunction. - | ldr BASE, L->base - | ldr CARG4, L->top - | mov CARG2, #0 - | add RA, BASE, RA - | sub NARGS8:RC, CARG4, BASE - | str CARG2, SAVE_PC // Invalidate for subsequent line hook. - | ldr LFUNC:CARG3, [BASE, FRAME_FUNC] - | ldr INS, [PC, #-4] - | bx CRET1 - | - |//----------------------------------------------------------------------- - |//-- Trace exit handler ------------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_exit_handler: -#if LJ_HASJIT - | sub sp, sp, #12 - | push {r0,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,r11,r12} - | ldr CARG1, [sp, #64] // Load original value of lr. - | ldr DISPATCH, [lr] // Load DISPATCH. - | add CARG3, sp, #64 // Recompute original value of sp. - | mv_vmstate CARG4, EXIT - | str CARG3, [sp, #52] // Store sp in RID_SP - | st_vmstate CARG4 - | ldr CARG2, [CARG1, #-4]! // Get exit instruction. - | str CARG1, [sp, #56] // Store exit pc in RID_LR and RID_PC. - | str CARG1, [sp, #60] - | lsl CARG2, CARG2, #8 - | add CARG1, CARG1, CARG2, asr #6 - | ldr CARG2, [lr, #4] // Load exit stub group offset. - | sub CARG1, CARG1, lr - | ldr L, [DISPATCH, #DISPATCH_GL(jit_L)] - | add CARG1, CARG2, CARG1, lsr #2 // Compute exit number. - | ldr BASE, [DISPATCH, #DISPATCH_GL(jit_base)] - | str CARG1, [DISPATCH, #DISPATCH_J(exitno)] - | mov CARG4, #0 - | str L, [DISPATCH, #DISPATCH_J(L)] - | str BASE, L->base - | str CARG4, [DISPATCH, #DISPATCH_GL(jit_L)] - | sub CARG1, DISPATCH, #-GG_DISP2J - | mov CARG2, sp - | bl extern lj_trace_exit // (jit_State *J, ExitState *ex) - | // Returns MULTRES (unscaled) or negated error code. - | ldr CARG2, L->cframe - | ldr BASE, L->base - | bic CARG2, CARG2, #~CFRAME_RAWMASK // Use two steps: bic sp is deprecated. - | mov sp, CARG2 - | ldr PC, SAVE_PC // Get SAVE_PC. - | str L, SAVE_L // Set SAVE_L (on-trace resume/yield). - | b >1 -#endif - |->vm_exit_interp: - | // CARG1 = MULTRES or negated error code, BASE, PC and DISPATCH set. -#if LJ_HASJIT - | ldr L, SAVE_L - |1: - | cmp CARG1, #0 - | blt >3 // Check for error from exit. - | lsl RC, CARG1, #3 - | ldr LFUNC:CARG2, [BASE, FRAME_FUNC] - | str RC, SAVE_MULTRES - | mov CARG3, #0 - | ldr CARG2, LFUNC:CARG2->field_pc - | str CARG3, [DISPATCH, #DISPATCH_GL(jit_L)] - | mv_vmstate CARG4, INTERP - | ldr KBASE, [CARG2, #PC2PROTO(k)] - | // Modified copy of ins_next which handles function header dispatch, too. - | ldrb OP, [PC] - | mov MASKR8, #255 - | ldr INS, [PC], #4 - | lsl MASKR8, MASKR8, #3 // MASKR8 = 255*8. - | st_vmstate CARG4 - | cmp OP, #BC_FUNCF // Function header? - | ldr OP, [DISPATCH, OP, lsl #2] - | decode_RA8 RA, INS - | lsrlo RC, INS, #16 // No: Decode operands A*8 and D. - | subhs RC, RC, #8 - | addhs RA, RA, BASE // Yes: RA = BASE+framesize*8, RC = nargs*8 - | bx OP - | - |3: // Rethrow error from the right C frame. - | rsb CARG2, CARG1, #0 - | mov CARG1, L - | bl extern lj_err_throw // (lua_State *L, int errcode) -#endif - | - |//----------------------------------------------------------------------- - |//-- Math helper functions ---------------------------------------------- - |//----------------------------------------------------------------------- - | - |// FP value rounding. Called from JIT code. - |// - |// double lj_vm_floor/ceil/trunc(double x); - |.macro vm_round, func - |->vm_ .. func: - | lsl CARG3, CARG2, #1 - | adds RB, CARG3, #0x00200000 - | bpl >2 // |x| < 1? - | mvn CARG4, #0x3cc - | subs RB, CARG4, RB, asr #21 // 2^0: RB = 51, 2^51: RB = 0. - | bxlo lr // |x| >= 2^52: done. - | mvn CARG4, #1 - | bic CARG3, CARG1, CARG4, lsl RB // ztest = lo & ~lomask - | and CARG1, CARG1, CARG4, lsl RB // lo &= lomask - | subs RB, RB, #32 - | bicpl CARG4, CARG2, CARG4, lsl RB // |x| <= 2^20: ztest |= hi & ~himask - | orrpl CARG3, CARG3, CARG4 - | mvnpl CARG4, #1 - | andpl CARG2, CARG2, CARG4, lsl RB // |x| <= 2^20: hi &= himask - |.if "func" == "floor" - | tst CARG3, CARG2, asr #31 // iszero = ((ztest & signmask) == 0) - |.else - | bics CARG3, CARG3, CARG2, asr #31 // iszero = ((ztest & ~signmask) == 0) - |.endif - | bxeq lr // iszero: done. - | mvn CARG4, #1 - | cmp RB, #0 - | lslpl CARG3, CARG4, RB - | mvnmi CARG3, #0 - | add RB, RB, #32 - | subs CARG1, CARG1, CARG4, lsl RB // lo = lo-lomask - | sbc CARG2, CARG2, CARG3 // hi = hi-himask+carry - | bx lr - | - |2: // |x| < 1: - | orr CARG3, CARG3, CARG1 // ztest = (2*hi) | lo - |.if "func" == "floor" - | tst CARG3, CARG2, asr #31 // iszero = ((ztest & signmask) == 0) - |.else - | bics CARG3, CARG3, CARG2, asr #31 // iszero = ((ztest & ~signmask) == 0) - |.endif - | mov CARG1, #0 // lo = 0 - | and CARG2, CARG2, #0x80000000 - | ldrne CARG4, <9 // hi = sign(x) | (iszero ? 0.0 : 1.0) - | orrne CARG2, CARG2, CARG4 - | bx lr - |.endmacro - | - |9: - | .long 0x3ff00000 // hiword(1.0) - | vm_round floor - | vm_round ceil - | - |->vm_trunc: -#if LJ_HASJIT - | lsl CARG3, CARG2, #1 - | adds RB, CARG3, #0x00200000 - | andpl CARG2, CARG2, #0x80000000 // |x| < 1? hi = sign(x), lo = 0. - | movpl CARG1, #0 - | bxpl lr - | mvn CARG4, #0x3cc - | subs RB, CARG4, RB, asr #21 // 2^0: RB = 51, 2^51: RB = 0. - | bxlo lr // |x| >= 2^52: already done. - | mvn CARG4, #1 - | and CARG1, CARG1, CARG4, lsl RB // lo &= lomask - | subs RB, RB, #32 - | andpl CARG2, CARG2, CARG4, lsl RB // |x| <= 2^20: hi &= himask - | bx lr -#endif - | - | // double lj_vm_mod(double dividend, double divisor); - |->vm_mod: - | push {r0, r1, r2, r3, r4, lr} - | bl extern __aeabi_ddiv - | bl ->vm_floor - | ldrd CARG34, [sp, #8] - | bl extern __aeabi_dmul - | ldrd CARG34, [sp] - | eor CARG2, CARG2, #0x80000000 - | bl extern __aeabi_dadd - | add sp, sp, #20 - | pop {pc} - | - | // int lj_vm_modi(int dividend, int divisor); - |->vm_modi: - | ands RB, CARG1, #0x80000000 - | rsbmi CARG1, CARG1, #0 // a = |dividend| - | eor RB, RB, CARG2, asr #1 // Keep signdiff and sign(divisor). - | cmp CARG2, #0 - | rsbmi CARG2, CARG2, #0 // b = |divisor| - | subs CARG4, CARG2, #1 - | cmpne CARG1, CARG2 - | moveq CARG1, #0 // if (b == 1 || a == b) a = 0 - | tsthi CARG2, CARG4 - | andeq CARG1, CARG1, CARG4 // else if ((b & (b-1)) == 0) a &= b-1 - | bls >1 - | // Use repeated subtraction to get the remainder. - | clz CARG3, CARG1 - | clz CARG4, CARG2 - | sub CARG4, CARG4, CARG3 - | rsbs CARG3, CARG4, #31 // entry = (31-(clz(b)-clz(a)))*8 - | addne pc, pc, CARG3, lsl #3 // Duff's device. - | nop - { - int i; - for (i = 31; i >= 0; i--) { - | cmp CARG1, CARG2, lsl #i - | subhs CARG1, CARG1, CARG2, lsl #i - } - } - |1: - | cmp CARG1, #0 - | cmpne RB, #0 - | submi CARG1, CARG1, CARG2 // if (y != 0 && signdiff) y = y - b - | eors CARG2, CARG1, RB, lsl #1 - | rsbmi CARG1, CARG1, #0 // if (sign(divisor) != sign(y)) y = -y - | bx lr - | - |// Callable from C: double lj_vm_foldarith(double x, double y, int op) - |// Compute x op y for basic arithmetic operators (+ - * / % ^ and unary -) - |// and basic math functions. ORDER ARITH - |->vm_foldarith: - | ldr OP, [sp] - | cmp OP, #1 - | blo extern __aeabi_dadd - | beq extern __aeabi_dsub - | cmp OP, #3 - | blo extern __aeabi_dmul - | beq extern __aeabi_ddiv - | cmp OP, #5 - | blo ->vm_mod - | beq extern pow - | cmp OP, #7 - | eorlo CARG2, CARG2, #0x80000000 - | biceq CARG2, CARG2, #0x80000000 - | bxls lr -#if LJ_HASJIT - | cmp OP, #9 - | blo extern atan2 - | beq >9 // No support needed for IR_LDEXP. - | cmp OP, #11 - | bhi >9 - | push {r4, lr} - | beq >1 - | // IR_MIN - | bl extern __aeabi_cdcmple - | movhi CARG1, CARG3 - | movhi CARG2, CARG4 - | pop {r4, pc} - |9: - | NYI // Bad op. - | - |1: // IR_MAX - | bl extern __aeabi_cdcmple - | movlo CARG1, CARG3 - | movlo CARG2, CARG4 - | pop {r4, pc} -#else - | NYI // Other operations only needed by JIT compiler. -#endif - | - |//----------------------------------------------------------------------- - |//-- Miscellaneous functions -------------------------------------------- - |//----------------------------------------------------------------------- - | - |//----------------------------------------------------------------------- - |//-- FFI helper functions ----------------------------------------------- - |//----------------------------------------------------------------------- - | - |// Handler for callback functions. - |// Saveregs already performed. Callback slot number in [sp], g in r12. - |->vm_ffi_callback: -#if LJ_HASFFI - |.type CTSTATE, CTState, PC - | ldr CTSTATE, GL:r12->ctype_state - | add DISPATCH, r12, #GG_G2DISP - | strd CARG12, CTSTATE->cb.gpr[0] - | strd CARG34, CTSTATE->cb.gpr[2] - | ldr CARG4, [sp] - | add CARG3, sp, #CFRAME_SIZE - | mov CARG1, CTSTATE - | lsr CARG4, CARG4, #3 - | str CARG3, CTSTATE->cb.stack - | mov CARG2, sp - | str CARG4, CTSTATE->cb.slot - | str CTSTATE, SAVE_PC // Any value outside of bytecode is ok. - | bl extern lj_ccallback_enter // (CTState *cts, void *cf) - | // Returns lua_State *. - | ldr BASE, L:CRET1->base - | mv_vmstate CARG2, INTERP - | ldr RC, L:CRET1->top - | mov MASKR8, #255 - | ldr LFUNC:CARG3, [BASE, FRAME_FUNC] - | mov L, CRET1 - | sub RC, RC, BASE - | lsl MASKR8, MASKR8, #3 // MASKR8 = 255*8. - | st_vmstate CARG2 - | ins_callt -#endif - | - |->cont_ffi_callback: // Return from FFI callback. -#if LJ_HASFFI - | ldr CTSTATE, [DISPATCH, #DISPATCH_GL(ctype_state)] - | str BASE, L->base - | str CARG4, L->top - | str L, CTSTATE->L - | mov CARG1, CTSTATE - | mov CARG2, RA - | bl extern lj_ccallback_leave // (CTState *cts, TValue *o) - | ldrd CARG12, CTSTATE->cb.gpr[0] - | b ->vm_leave_unw -#endif - | - |->vm_ffi_call: // Call C function via FFI. - | // Caveat: needs special frame unwinding, see below. -#if LJ_HASFFI - | .type CCSTATE, CCallState, r4 - | push {CCSTATE, r5, r11, lr} - | mov CCSTATE, CARG1 - | ldr CARG1, CCSTATE:CARG1->spadj - | ldrb CARG2, CCSTATE->nsp - | add CARG3, CCSTATE, #offsetof(CCallState, stack) - | mov r11, sp - | sub sp, sp, CARG1 // Readjust stack. - | subs CARG2, CARG2, #1 - | ldr RB, CCSTATE->func - | bmi >2 - |1: // Copy stack slots. - | ldr CARG4, [CARG3, CARG2, lsl #2] - | str CARG4, [sp, CARG2, lsl #2] - | subs CARG2, CARG2, #1 - | bpl <1 - |2: - | ldr CARG1, CCSTATE->gpr[0] - | ldr CARG2, CCSTATE->gpr[1] - | ldr CARG3, CCSTATE->gpr[2] - | ldr CARG4, CCSTATE->gpr[3] - | blx RB - | mov sp, r11 - | str CRET1, CCSTATE->gpr[0] - | str CRET2, CCSTATE->gpr[1] - | pop {CCSTATE, r5, r11, pc} -#endif - |// Note: vm_ffi_call must be the last function in this object file! - | - |//----------------------------------------------------------------------- -} - -/* Generate the code for a single instruction. */ -static void build_ins(BuildCtx *ctx, BCOp op, int defop) -{ - int vk = 0; - |=>defop: - - switch (op) { - - /* -- Comparison ops ---------------------------------------------------- */ - - /* Remember: all ops branch for a true comparison, fall through otherwise. */ - - case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: - | // RA = src1*8, RC = src2, JMP with RC = target - | lsl RC, RC, #3 - | ldrd CARG12, [RA, BASE]! - | ldrh RB, [PC, #2] - | ldrd CARG34, [RC, BASE]! - | add PC, PC, #4 - | add RB, PC, RB, lsl #2 - | checktp CARG2, LJ_TISNUM - | bne >3 - | checktp CARG4, LJ_TISNUM - | bne >4 - | cmp CARG1, CARG3 - if (op == BC_ISLT) { - | sublt PC, RB, #0x20000 - } else if (op == BC_ISGE) { - | subge PC, RB, #0x20000 - } else if (op == BC_ISLE) { - | suble PC, RB, #0x20000 - } else { - | subgt PC, RB, #0x20000 - } - |1: - | ins_next - | - |3: // CARG12 is not an integer. - | bhi ->vmeta_comp - | // CARG12 is a number. - | checktp CARG4, LJ_TISNUM - | movlo RA, RB // Save RB. - | blo >5 - | // CARG12 is a number, CARG3 is an integer. - | mov CARG1, CARG3 - | mov RC, RA - | mov RA, RB // Save RB. - | bl extern __aeabi_i2d - | mov CARG3, CARG1 - | mov CARG4, CARG2 - | ldrd CARG12, [RC] // Restore first operand. - | b >5 - |4: // CARG1 is an integer, CARG34 is not an integer. - | bhi ->vmeta_comp - | // CARG1 is an integer, CARG34 is a number - | mov RA, RB // Save RB. - | bl extern __aeabi_i2d - | ldrd CARG34, [RC] // Restore second operand. - |5: // CARG12 and CARG34 are numbers. - | bl extern __aeabi_cdcmple - | // To preserve NaN semantics GE/GT branch on unordered, but LT/LE don't. - if (op == BC_ISLT) { - | sublo PC, RA, #0x20000 - } else if (op == BC_ISGE) { - | subhs PC, RA, #0x20000 - } else if (op == BC_ISLE) { - | subls PC, RA, #0x20000 - } else { - | subhi PC, RA, #0x20000 - } - | b <1 - break; - - case BC_ISEQV: case BC_ISNEV: - vk = op == BC_ISEQV; - | // RA = src1*8, RC = src2, JMP with RC = target - | lsl RC, RC, #3 - | ldrd CARG12, [RA, BASE]! - | ldrh RB, [PC, #2] - | ldrd CARG34, [RC, BASE]! - | add PC, PC, #4 - | add RB, PC, RB, lsl #2 - | checktp CARG2, LJ_TISNUM - | cmnls CARG4, #-LJ_TISNUM - if (vk) { - | bls ->BC_ISEQN_Z - } else { - | bls ->BC_ISNEN_Z - } - | // Either or both types are not numbers. - if (LJ_HASFFI) { - | checktp CARG2, LJ_TCDATA - | checktpne CARG4, LJ_TCDATA - | beq ->vmeta_equal_cd - } - | cmp CARG2, CARG4 // Compare types. - | bne >2 // Not the same type? - | checktp CARG2, LJ_TISPRI - | bhs >1 // Same type and primitive type? - | - | // Same types and not a primitive type. Compare GCobj or pvalue. - | cmp CARG1, CARG3 - if (vk) { - | bne >3 // Different GCobjs or pvalues? - |1: // Branch if same. - | sub PC, RB, #0x20000 - |2: // Different. - | ins_next - |3: - | checktp CARG2, LJ_TISTABUD - | bhi <2 // Different objects and not table/ud? - } else { - | beq >1 // Same GCobjs or pvalues? - | checktp CARG2, LJ_TISTABUD - | bhi >2 // Different objects and not table/ud? - } - | // Different tables or userdatas. Need to check __eq metamethod. - | // Field metatable must be at same offset for GCtab and GCudata! - | ldr TAB:RA, TAB:CARG1->metatable - | cmp TAB:RA, #0 - if (vk) { - | beq <2 // No metatable? - } else { - | beq >2 // No metatable? - } - | ldrb RA, TAB:RA->nomm - | mov CARG4, #1-vk // ne = 0 or 1. - | mov CARG2, CARG1 - | tst RA, #1<vmeta_equal // 'no __eq' flag not set? - if (vk) { - | b <2 - } else { - |2: // Branch if different. - | sub PC, RB, #0x20000 - |1: // Same. - | ins_next - } - break; - - case BC_ISEQS: case BC_ISNES: - vk = op == BC_ISEQS; - | // RA = src*8, RC = str_const (~), JMP with RC = target - | mvn RC, RC - | ldrd CARG12, [BASE, RA] - | ldrh RB, [PC, #2] - | ldr STR:CARG3, [KBASE, RC, lsl #2] - | add PC, PC, #4 - | add RB, PC, RB, lsl #2 - | checktp CARG2, LJ_TSTR - if (LJ_HASFFI) { - | bne >7 - | cmp CARG1, CARG3 - } else { - | cmpeq CARG1, CARG3 - } - if (vk) { - | subeq PC, RB, #0x20000 - |1: - } else { - |1: - | subne PC, RB, #0x20000 - } - | ins_next - | - if (LJ_HASFFI) { - |7: - | checktp CARG2, LJ_TCDATA - | bne <1 - | b ->vmeta_equal_cd - } - break; - - case BC_ISEQN: case BC_ISNEN: - vk = op == BC_ISEQN; - | // RA = src*8, RC = num_const (~), JMP with RC = target - | lsl RC, RC, #3 - | ldrd CARG12, [RA, BASE]! - | ldrh RB, [PC, #2] - | ldrd CARG34, [RC, KBASE]! - | add PC, PC, #4 - | add RB, PC, RB, lsl #2 - if (vk) { - |->BC_ISEQN_Z: - } else { - |->BC_ISNEN_Z: - } - | checktp CARG2, LJ_TISNUM - | bne >3 - | checktp CARG4, LJ_TISNUM - | bne >4 - | cmp CARG1, CARG3 - if (vk) { - | subeq PC, RB, #0x20000 - |1: - } else { - |1: - | subne PC, RB, #0x20000 - } - |2: - | ins_next - | - |3: // CARG12 is not an integer. - if (LJ_HASFFI) { - | bhi >7 - } else { - if (!vk) { - | subhi PC, RB, #0x20000 - } - | bhi <2 - } - | // CARG12 is a number. - | checktp CARG4, LJ_TISNUM - | movlo RA, RB // Save RB. - | blo >5 - | // CARG12 is a number, CARG3 is an integer. - | mov CARG1, CARG3 - | mov RC, RA - |4: // CARG1 is an integer, CARG34 is a number. - | mov RA, RB // Save RB. - | bl extern __aeabi_i2d - | ldrd CARG34, [RC] // Restore other operand. - |5: // CARG12 and CARG34 are numbers. - | bl extern __aeabi_cdcmpeq - if (vk) { - | subeq PC, RA, #0x20000 - } else { - | subne PC, RA, #0x20000 - } - | b <2 - | - if (LJ_HASFFI) { - |7: - | checktp CARG2, LJ_TCDATA - | bne <1 - | b ->vmeta_equal_cd - } - break; - - case BC_ISEQP: case BC_ISNEP: - vk = op == BC_ISEQP; - | // RA = src*8, RC = primitive_type (~), JMP with RC = target - | ldrd CARG12, [BASE, RA] - | ldrh RB, [PC, #2] - | add PC, PC, #4 - | mvn RC, RC - | add RB, PC, RB, lsl #2 - if (LJ_HASFFI) { - | checktp CARG2, LJ_TCDATA - | beq ->vmeta_equal_cd - } - | cmp CARG2, RC - if (vk) { - | subeq PC, RB, #0x20000 - } else { - | subne PC, RB, #0x20000 - } - | ins_next - break; - - /* -- Unary test and copy ops ------------------------------------------- */ - - case BC_ISTC: case BC_ISFC: case BC_IST: case BC_ISF: - | // RA = dst*8 or unused, RC = src, JMP with RC = target - | add RC, BASE, RC, lsl #3 - | ldrh RB, [PC, #2] - | ldrd CARG12, [RC] - | add PC, PC, #4 - | add RB, PC, RB, lsl #2 - | checktp CARG2, LJ_TTRUE - if (op == BC_ISTC || op == BC_IST) { - | subls PC, RB, #0x20000 - if (op == BC_ISTC) { - | strdls CARG12, [BASE, RA] - } - } else { - | subhi PC, RB, #0x20000 - if (op == BC_ISFC) { - | strdhi CARG12, [BASE, RA] - } - } - | ins_next - break; - - /* -- Unary ops --------------------------------------------------------- */ - - case BC_MOV: - | // RA = dst*8, RC = src - | lsl RC, RC, #3 - | ins_next1 - | ldrd CARG12, [BASE, RC] - | ins_next2 - | strd CARG12, [BASE, RA] - | ins_next3 - break; - case BC_NOT: - | // RA = dst*8, RC = src - | add RC, BASE, RC, lsl #3 - | ins_next1 - | ldr CARG1, [RC, #4] - | add RA, BASE, RA - | ins_next2 - | checktp CARG1, LJ_TTRUE - | mvnls CARG2, #~LJ_TFALSE - | mvnhi CARG2, #~LJ_TTRUE - | str CARG2, [RA, #4] - | ins_next3 - break; - case BC_UNM: - | // RA = dst*8, RC = src - | lsl RC, RC, #3 - | ldrd CARG12, [BASE, RC] - | ins_next1 - | ins_next2 - | checktp CARG2, LJ_TISNUM - | bhi ->vmeta_unm - | eorne CARG2, CARG2, #0x80000000 - | bne >5 - | rsbseq CARG1, CARG1, #0 - | ldrdvs CARG12, >9 - |5: - | strd CARG12, [BASE, RA] - | ins_next3 - | - |.align 8 - |9: - | .long 0x00000000, 0x41e00000 // 2^31. - break; - case BC_LEN: - | // RA = dst*8, RC = src - | lsl RC, RC, #3 - | ldrd CARG12, [BASE, RC] - | checkstr CARG2, >2 - | ldr CARG1, STR:CARG1->len - |1: - | mvn CARG2, #~LJ_TISNUM - | ins_next1 - | ins_next2 - | strd CARG12, [BASE, RA] - | ins_next3 - |2: - | checktab CARG2, ->vmeta_len -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | ldr TAB:CARG3, TAB:CARG1->metatable - | cmp TAB:CARG3, #0 - | bne >9 - |3: -#endif - |->BC_LEN_Z: - | IOS mov RC, BASE - | bl extern lj_tab_len // (GCtab *t) - | // Returns uint32_t (but less than 2^31). - | IOS mov BASE, RC - | b <1 -#ifdef LUAJIT_ENABLE_LUA52COMPAT - |9: - | ldrb CARG4, TAB:CARG3->nomm - | tst CARG4, #1<vmeta_len -#endif - break; - - /* -- Binary ops -------------------------------------------------------- */ - - |.macro ins_arithcheck, cond, ncond, target - ||if (vk == 1) { - | cmn CARG4, #-LJ_TISNUM - | cmn..cond CARG2, #-LJ_TISNUM - ||} else { - | cmn CARG2, #-LJ_TISNUM - | cmn..cond CARG4, #-LJ_TISNUM - ||} - | b..ncond target - |.endmacro - |.macro ins_arithcheck_int, target - | ins_arithcheck eq, ne, target - |.endmacro - |.macro ins_arithcheck_num, target - | ins_arithcheck lo, hs, target - |.endmacro - | - |.macro ins_arithpre - | decode_RB8 RB, INS - | decode_RC8 RC, INS - | // RA = dst*8, RB = src1*8, RC = src2*8 | num_const*8 - ||vk = ((int)op - BC_ADDVN) / (BC_ADDNV-BC_ADDVN); - ||switch (vk) { - ||case 0: - | ldrd CARG12, [BASE, RB] - | ldrd CARG34, [KBASE, RC] - || break; - ||case 1: - | ldrd CARG34, [BASE, RB] - | ldrd CARG12, [KBASE, RC] - || break; - ||default: - | ldrd CARG12, [BASE, RB] - | ldrd CARG34, [BASE, RC] - || break; - ||} - |.endmacro - | - |.macro ins_arithfallback, ins - ||switch (vk) { - ||case 0: - | ins ->vmeta_arith_vn - || break; - ||case 1: - | ins ->vmeta_arith_nv - || break; - ||default: - | ins ->vmeta_arith_vv - || break; - ||} - |.endmacro - | - |.macro ins_arithdn, intins, fpcall - | ins_arithpre - |.if "intins" ~= "vm_modi" - | ins_next1 - |.endif - | ins_arithcheck_int >5 - |.if "intins" == "smull" - | smull CARG1, RC, CARG3, CARG1 - | cmp RC, CARG1, asr #31 - | ins_arithfallback bne - |.elif "intins" == "vm_modi" - | movs CARG2, CARG3 - | ins_arithfallback beq - | bl ->vm_modi - | mvn CARG2, #~LJ_TISNUM - |.else - | intins CARG1, CARG1, CARG3 - | ins_arithfallback bvs - |.endif - |4: - |.if "intins" == "vm_modi" - | ins_next1 - |.endif - | ins_next2 - | strd CARG12, [BASE, RA] - | ins_next3 - |5: // FP variant. - | ins_arithfallback ins_arithcheck_num - |.if "intins" == "vm_modi" - | bl fpcall - |.else - | bl fpcall - | ins_next1 - |.endif - | b <4 - |.endmacro - | - |.macro ins_arithfp, fpcall - | ins_arithpre - | ins_arithfallback ins_arithcheck_num - |.if "fpcall" == "extern pow" - | IOS mov RC, BASE - | bl fpcall - | IOS mov BASE, RC - |.else - | bl fpcall - |.endif - | ins_next1 - | ins_next2 - | strd CARG12, [BASE, RA] - | ins_next3 - |.endmacro - - case BC_ADDVN: case BC_ADDNV: case BC_ADDVV: - | ins_arithdn adds, extern __aeabi_dadd - break; - case BC_SUBVN: case BC_SUBNV: case BC_SUBVV: - | ins_arithdn subs, extern __aeabi_dsub - break; - case BC_MULVN: case BC_MULNV: case BC_MULVV: - | ins_arithdn smull, extern __aeabi_dmul - break; - case BC_DIVVN: case BC_DIVNV: case BC_DIVVV: - | ins_arithfp extern __aeabi_ddiv - break; - case BC_MODVN: case BC_MODNV: case BC_MODVV: - | ins_arithdn vm_modi, ->vm_mod - break; - case BC_POW: - | // NYI: (partial) integer arithmetic. - | ins_arithfp extern pow - break; - - case BC_CAT: - | decode_RB8 RC, INS - | decode_RC8 RB, INS - | // RA = dst*8, RC = src_start*8, RB = src_end*8 (note: RB/RC swapped!) - | sub CARG3, RB, RC - | str BASE, L->base - | add CARG2, BASE, RB - |->BC_CAT_Z: - | // RA = dst*8, RC = src_start*8, CARG2 = top-1 - | mov CARG1, L - | str PC, SAVE_PC - | lsr CARG3, CARG3, #3 - | bl extern lj_meta_cat // (lua_State *L, TValue *top, int left) - | // Returns NULL (finished) or TValue * (metamethod). - | ldr BASE, L->base - | cmp CRET1, #0 - | bne ->vmeta_binop - | ldrd CARG34, [BASE, RC] - | ins_next1 - | ins_next2 - | strd CARG34, [BASE, RA] // Copy result to RA. - | ins_next3 - break; - - /* -- Constant ops ------------------------------------------------------ */ - - case BC_KSTR: - | // RA = dst*8, RC = str_const (~) - | mvn RC, RC - | ins_next1 - | ldr CARG1, [KBASE, RC, lsl #2] - | mvn CARG2, #~LJ_TSTR - | ins_next2 - | strd CARG12, [BASE, RA] - | ins_next3 - break; - case BC_KCDATA: -#if LJ_HASFFI - | // RA = dst*8, RC = cdata_const (~) - | mvn RC, RC - | ins_next1 - | ldr CARG1, [KBASE, RC, lsl #2] - | mvn CARG2, #~LJ_TCDATA - | ins_next2 - | strd CARG12, [BASE, RA] - | ins_next3 -#endif - break; - case BC_KSHORT: - | // RA = dst*8, (RC = int16_literal) - | mov CARG1, INS, asr #16 // Refetch sign-extended reg. - | mvn CARG2, #~LJ_TISNUM - | ins_next1 - | ins_next2 - | strd CARG12, [BASE, RA] - | ins_next3 - break; - case BC_KNUM: - | // RA = dst*8, RC = num_const - | lsl RC, RC, #3 - | ins_next1 - | ldrd CARG12, [KBASE, RC] - | ins_next2 - | strd CARG12, [BASE, RA] - | ins_next3 - break; - case BC_KPRI: - | // RA = dst*8, RC = primitive_type (~) - | add RA, BASE, RA - | mvn RC, RC - | ins_next1 - | ins_next2 - | str RC, [RA, #4] - | ins_next3 - break; - case BC_KNIL: - | // RA = base*8, RC = end - | add RA, BASE, RA - | add RC, BASE, RC, lsl #3 - | mvn CARG1, #~LJ_TNIL - | str CARG1, [RA, #4] - | add RA, RA, #8 - |1: - | str CARG1, [RA, #4] - | cmp RA, RC - | add RA, RA, #8 - | blt <1 - | ins_next_ - break; - - /* -- Upvalue and function ops ------------------------------------------ */ - - case BC_UGET: - | // RA = dst*8, RC = uvnum - | ldr LFUNC:CARG2, [BASE, FRAME_FUNC] - | lsl RC, RC, #2 - | add RC, RC, #offsetof(GCfuncL, uvptr) - | ldr UPVAL:CARG2, [LFUNC:CARG2, RC] - | ldr CARG2, UPVAL:CARG2->v - | ldrd CARG34, [CARG2] - | ins_next1 - | ins_next2 - | strd CARG34, [BASE, RA] - | ins_next3 - break; - case BC_USETV: - | // RA = uvnum*8, RC = src - | ldr LFUNC:CARG2, [BASE, FRAME_FUNC] - | lsr RA, RA, #1 - | add RA, RA, #offsetof(GCfuncL, uvptr) - | lsl RC, RC, #3 - | ldr UPVAL:CARG2, [LFUNC:CARG2, RA] - | ldrd CARG34, [BASE, RC] - | ldrb RB, UPVAL:CARG2->marked - | ldrb RC, UPVAL:CARG2->closed - | ldr CARG2, UPVAL:CARG2->v - | tst RB, #LJ_GC_BLACK // isblack(uv) - | add RB, CARG4, #-LJ_TISGCV - | cmpne RC, #0 - | strd CARG34, [CARG2] - | bne >2 // Upvalue is closed and black? - |1: - | ins_next - | - |2: // Check if new value is collectable. - | cmn RB, #-(LJ_TISNUM - LJ_TISGCV) - | ldrbhi RC, GCOBJ:CARG3->gch.marked - | bls <1 // tvisgcv(v) - | sub CARG1, DISPATCH, #-GG_DISP2G - | tst RC, #LJ_GC_WHITES - | // Crossed a write barrier. Move the barrier forward. - if (LJ_TARGET_OSX) { - | beq <1 - | mov RC, BASE - | bl extern lj_gc_barrieruv // (global_State *g, TValue *tv) - | mov BASE, RC - } else { - | blne extern lj_gc_barrieruv // (global_State *g, TValue *tv) - } - | b <1 - break; - case BC_USETS: - | // RA = uvnum*8, RC = str_const (~) - | ldr LFUNC:CARG2, [BASE, FRAME_FUNC] - | lsr RA, RA, #1 - | add RA, RA, #offsetof(GCfuncL, uvptr) - | mvn RC, RC - | ldr UPVAL:CARG2, [LFUNC:CARG2, RA] - | ldr STR:CARG3, [KBASE, RC, lsl #2] - | mvn CARG4, #~LJ_TSTR - | ldrb RB, UPVAL:CARG2->marked - | ldr CARG2, UPVAL:CARG2->v - | ldrb RC, UPVAL:CARG2->closed - | tst RB, #LJ_GC_BLACK // isblack(uv) - | ldrb RB, STR:CARG3->marked - | strd CARG34, [CARG2] - | bne >2 - |1: - | ins_next - | - |2: // Check if string is white and ensure upvalue is closed. - | tst RB, #LJ_GC_WHITES // iswhite(str) - | cmpne RC, #0 - | sub CARG1, DISPATCH, #-GG_DISP2G - | // Crossed a write barrier. Move the barrier forward. - if (LJ_TARGET_OSX) { - | beq <1 - | mov RC, BASE - | bl extern lj_gc_barrieruv // (global_State *g, TValue *tv) - | mov BASE, RC - } else { - | blne extern lj_gc_barrieruv // (global_State *g, TValue *tv) - } - | b <1 - break; - case BC_USETN: - | // RA = uvnum*8, RC = num_const - | ldr LFUNC:CARG2, [BASE, FRAME_FUNC] - | lsr RA, RA, #1 - | add RA, RA, #offsetof(GCfuncL, uvptr) - | lsl RC, RC, #3 - | ldr UPVAL:CARG2, [LFUNC:CARG2, RA] - | ldrd CARG34, [KBASE, RC] - | ldr CARG2, UPVAL:CARG2->v - | ins_next1 - | ins_next2 - | strd CARG34, [CARG2] - | ins_next3 - break; - case BC_USETP: - | // RA = uvnum*8, RC = primitive_type (~) - | ldr LFUNC:CARG2, [BASE, FRAME_FUNC] - | lsr RA, RA, #1 - | add RA, RA, #offsetof(GCfuncL, uvptr) - | ldr UPVAL:CARG2, [LFUNC:CARG2, RA] - | mvn RC, RC - | ldr CARG2, UPVAL:CARG2->v - | ins_next1 - | ins_next2 - | str RC, [CARG2, #4] - | ins_next3 - break; - - case BC_UCLO: - | // RA = level*8, RC = target - | ldr CARG3, L->openupval - | add RC, PC, RC, lsl #2 - | str BASE, L->base - | cmp CARG3, #0 - | sub PC, RC, #0x20000 - | beq >1 - | mov CARG1, L - | add CARG2, BASE, RA - | bl extern lj_func_closeuv // (lua_State *L, TValue *level) - | ldr BASE, L->base - |1: - | ins_next - break; - - case BC_FNEW: - | // RA = dst*8, RC = proto_const (~) (holding function prototype) - | mvn RC, RC - | str BASE, L->base - | ldr CARG2, [KBASE, RC, lsl #2] - | str PC, SAVE_PC - | ldr CARG3, [BASE, FRAME_FUNC] - | mov CARG1, L - | // (lua_State *L, GCproto *pt, GCfuncL *parent) - | bl extern lj_func_newL_gc - | // Returns GCfuncL *. - | ldr BASE, L->base - | mvn CARG2, #~LJ_TFUNC - | ins_next1 - | ins_next2 - | strd CARG12, [BASE, RA] - | ins_next3 - break; - - /* -- Table ops --------------------------------------------------------- */ - - case BC_TNEW: - case BC_TDUP: - | // RA = dst*8, RC = (hbits|asize) | tab_const (~) - if (op == BC_TDUP) { - | mvn RC, RC - } - | ldr CARG3, [DISPATCH, #DISPATCH_GL(gc.total)] - | ldr CARG4, [DISPATCH, #DISPATCH_GL(gc.threshold)] - | str BASE, L->base - | str PC, SAVE_PC - | cmp CARG3, CARG4 - | mov CARG1, L - | bhs >5 - |1: - if (op == BC_TNEW) { - | lsl CARG2, RC, #21 - | lsr CARG3, RC, #11 - | asr RC, CARG2, #21 - | lsr CARG2, CARG2, #21 - | cmn RC, #1 - | addeq CARG2, CARG2, #2 - | bl extern lj_tab_new // (lua_State *L, int32_t asize, uint32_t hbits) - | // Returns GCtab *. - } else { - | ldr CARG2, [KBASE, RC, lsl #2] - | bl extern lj_tab_dup // (lua_State *L, Table *kt) - | // Returns GCtab *. - } - | ldr BASE, L->base - | mvn CARG2, #~LJ_TTAB - | ins_next1 - | ins_next2 - | strd CARG12, [BASE, RA] - | ins_next3 - |5: - | bl extern lj_gc_step_fixtop // (lua_State *L) - | mov CARG1, L - | b <1 - break; - - case BC_GGET: - | // RA = dst*8, RC = str_const (~) - case BC_GSET: - | // RA = dst*8, RC = str_const (~) - | ldr LFUNC:CARG2, [BASE, FRAME_FUNC] - | mvn RC, RC - | ldr TAB:CARG1, LFUNC:CARG2->env - | ldr STR:RC, [KBASE, RC, lsl #2] - if (op == BC_GGET) { - | b ->BC_TGETS_Z - } else { - | b ->BC_TSETS_Z - } - break; - - case BC_TGETV: - | decode_RB8 RB, INS - | decode_RC8 RC, INS - | // RA = dst*8, RB = table*8, RC = key*8 - | ldrd TAB:CARG12, [BASE, RB] - | ldrd CARG34, [BASE, RC] - | checktab CARG2, ->vmeta_tgetv // STALL: load CARG12. - | checktp CARG4, LJ_TISNUM // Integer key? - | ldreq CARG4, TAB:CARG1->array - | ldreq CARG2, TAB:CARG1->asize - | bne >9 - | - | add CARG4, CARG4, CARG3, lsl #3 - | cmp CARG3, CARG2 // In array part? - | ldrdlo CARG34, [CARG4] - | bhs ->vmeta_tgetv - | ins_next1 // Overwrites RB! - | checktp CARG4, LJ_TNIL - | beq >5 - |1: - | ins_next2 - | strd CARG34, [BASE, RA] - | ins_next3 - | - |5: // Check for __index if table value is nil. - | ldr TAB:CARG2, TAB:CARG1->metatable - | cmp TAB:CARG2, #0 - | beq <1 // No metatable: done. - | ldrb CARG2, TAB:CARG2->nomm - | tst CARG2, #1<vmeta_tgetv - | - |9: - | checktp CARG4, LJ_TSTR // String key? - | moveq STR:RC, CARG3 - | beq ->BC_TGETS_Z - | b ->vmeta_tgetv - break; - case BC_TGETS: - | decode_RB8 RB, INS - | and RC, RC, #255 - | // RA = dst*8, RB = table*8, RC = str_const (~) - | ldrd CARG12, [BASE, RB] - | mvn RC, RC - | ldr STR:RC, [KBASE, RC, lsl #2] // STALL: early RC. - | checktab CARG2, ->vmeta_tgets1 - |->BC_TGETS_Z: - | // (TAB:RB =) TAB:CARG1 = GCtab *, STR:RC = GCstr *, RA = dst*8 - | ldr CARG3, TAB:CARG1->hmask - | ldr CARG4, STR:RC->hash - | ldr NODE:INS, TAB:CARG1->node - | mov TAB:RB, TAB:CARG1 - | and CARG3, CARG3, CARG4 // idx = str->hash & tab->hmask - | add CARG3, CARG3, CARG3, lsl #1 - | add NODE:INS, NODE:INS, CARG3, lsl #3 // node = tab->node + idx*3*8 - |1: - | ldrd CARG12, NODE:INS->key // STALL: early NODE:INS. - | ldrd CARG34, NODE:INS->val - | ldr NODE:INS, NODE:INS->next - | cmp CARG1, STR:RC - | checktpeq CARG2, LJ_TSTR - | bne >4 - | checktp CARG4, LJ_TNIL - | beq >5 - |3: - | ins_next1 - | ins_next2 - | strd CARG34, [BASE, RA] - | ins_next3 - | - |4: // Follow hash chain. - | cmp NODE:INS, #0 - | bne <1 - | // End of hash chain: key not found, nil result. - | - |5: // Check for __index if table value is nil. - | ldr TAB:CARG1, TAB:RB->metatable - | mov CARG3, #0 // Optional clear of undef. value (during load stall). - | mvn CARG4, #~LJ_TNIL - | cmp TAB:CARG1, #0 - | beq <3 // No metatable: done. - | ldrb CARG2, TAB:CARG1->nomm - | tst CARG2, #1<vmeta_tgets - break; - case BC_TGETB: - | decode_RB8 RB, INS - | and RC, RC, #255 - | // RA = dst*8, RB = table*8, RC = index - | ldrd CARG12, [BASE, RB] - | checktab CARG2, ->vmeta_tgetb // STALL: load CARG12. - | ldr CARG3, TAB:CARG1->asize - | ldr CARG4, TAB:CARG1->array - | lsl CARG2, RC, #3 - | cmp RC, CARG3 - | ldrdlo CARG34, [CARG4, CARG2] - | bhs ->vmeta_tgetb - | ins_next1 // Overwrites RB! - | checktp CARG4, LJ_TNIL - | beq >5 - |1: - | ins_next2 - | strd CARG34, [BASE, RA] - | ins_next3 - | - |5: // Check for __index if table value is nil. - | ldr TAB:CARG2, TAB:CARG1->metatable - | cmp TAB:CARG2, #0 - | beq <1 // No metatable: done. - | ldrb CARG2, TAB:CARG2->nomm - | tst CARG2, #1<vmeta_tgetb - break; - - case BC_TSETV: - | decode_RB8 RB, INS - | decode_RC8 RC, INS - | // RA = src*8, RB = table*8, RC = key*8 - | ldrd TAB:CARG12, [BASE, RB] - | ldrd CARG34, [BASE, RC] - | checktab CARG2, ->vmeta_tsetv // STALL: load CARG12. - | checktp CARG4, LJ_TISNUM // Integer key? - | ldreq CARG2, TAB:CARG1->array - | ldreq CARG4, TAB:CARG1->asize - | bne >9 - | - | add CARG2, CARG2, CARG3, lsl #3 - | cmp CARG3, CARG4 // In array part? - | ldrlo INS, [CARG2, #4] - | bhs ->vmeta_tsetv - | ins_next1 // Overwrites RB! - | checktp INS, LJ_TNIL - | ldrb INS, TAB:CARG1->marked - | ldrd CARG34, [BASE, RA] - | beq >5 - |1: - | tst INS, #LJ_GC_BLACK // isblack(table) - | strd CARG34, [CARG2] - | bne >7 - |2: - | ins_next2 - | ins_next3 - | - |5: // Check for __newindex if previous value is nil. - | ldr TAB:RA, TAB:CARG1->metatable - | cmp TAB:RA, #0 - | beq <1 // No metatable: done. - | ldrb RA, TAB:RA->nomm - | tst RA, #1<vmeta_tsetv - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:CARG1, INS, CARG3 - | b <2 - | - |9: - | checktp CARG4, LJ_TSTR // String key? - | moveq STR:RC, CARG3 - | beq ->BC_TSETS_Z - | b ->vmeta_tsetv - break; - case BC_TSETS: - | decode_RB8 RB, INS - | and RC, RC, #255 - | // RA = src*8, RB = table*8, RC = str_const (~) - | ldrd CARG12, [BASE, RB] - | mvn RC, RC - | ldr STR:RC, [KBASE, RC, lsl #2] // STALL: early RC. - | checktab CARG2, ->vmeta_tsets1 - |->BC_TSETS_Z: - | // (TAB:RB =) TAB:CARG1 = GCtab *, STR:RC = GCstr *, RA = dst*8 - | ldr CARG3, TAB:CARG1->hmask - | ldr CARG4, STR:RC->hash - | ldr NODE:INS, TAB:CARG1->node - | mov TAB:RB, TAB:CARG1 - | and CARG3, CARG3, CARG4 // idx = str->hash & tab->hmask - | add CARG3, CARG3, CARG3, lsl #1 - | mov CARG4, #0 - | add NODE:INS, NODE:INS, CARG3, lsl #3 // node = tab->node + idx*3*8 - | strb CARG4, TAB:RB->nomm // Clear metamethod cache. - |1: - | ldrd CARG12, NODE:INS->key - | ldr CARG4, NODE:INS->val.it - | ldr NODE:CARG3, NODE:INS->next - | cmp CARG1, STR:RC - | checktpeq CARG2, LJ_TSTR - | bne >5 - | ldrb CARG2, TAB:RB->marked - | checktp CARG4, LJ_TNIL // Key found, but nil value? - | ldrd CARG34, [BASE, RA] - | beq >4 - |2: - | tst CARG2, #LJ_GC_BLACK // isblack(table) - | strd CARG34, NODE:INS->val - | bne >7 - |3: - | ins_next - | - |4: // Check for __newindex if previous value is nil. - | ldr TAB:CARG1, TAB:RB->metatable - | cmp TAB:CARG1, #0 - | beq <2 // No metatable: done. - | ldrb CARG1, TAB:CARG1->nomm - | tst CARG1, #1<vmeta_tsets - | - |5: // Follow hash chain. - | movs NODE:INS, NODE:CARG3 - | bne <1 - | // End of hash chain: key not found, add a new one. - | - | // But check for __newindex first. - | ldr TAB:CARG1, TAB:RB->metatable - | mov CARG3, TMPDp - | str PC, SAVE_PC - | cmp TAB:CARG1, #0 // No metatable: continue. - | str BASE, L->base - | ldrbne CARG2, TAB:CARG1->nomm - | mov CARG1, L - | beq >6 - | tst CARG2, #1<vmeta_tsets // 'no __newindex' flag NOT set: check. - |6: - | mvn CARG4, #~LJ_TSTR - | str STR:RC, TMPDlo - | mov CARG2, TAB:RB - | str CARG4, TMPDhi - | bl extern lj_tab_newkey // (lua_State *L, GCtab *t, TValue *k) - | // Returns TValue *. - | ldr BASE, L->base - | ldrd CARG34, [BASE, RA] - | strd CARG34, [CRET1] - | b <3 // No 2nd write barrier needed. - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:RB, CARG2, CARG3 - | b <3 - break; - case BC_TSETB: - | decode_RB8 RB, INS - | and RC, RC, #255 - | // RA = src*8, RB = table*8, RC = index - | ldrd CARG12, [BASE, RB] - | checktab CARG2, ->vmeta_tsetb // STALL: load CARG12. - | ldr CARG3, TAB:CARG1->asize - | ldr RB, TAB:CARG1->array - | lsl CARG2, RC, #3 - | cmp RC, CARG3 - | ldrdlo CARG34, [CARG2, RB]! - | bhs ->vmeta_tsetb - | ins_next1 // Overwrites RB! - | checktp CARG4, LJ_TNIL - | ldrb INS, TAB:CARG1->marked - | ldrd CARG34, [BASE, RA] - | beq >5 - |1: - | tst INS, #LJ_GC_BLACK // isblack(table) - | strd CARG34, [CARG2] - | bne >7 - |2: - | ins_next2 - | ins_next3 - | - |5: // Check for __newindex if previous value is nil. - | ldr TAB:RA, TAB:CARG1->metatable - | cmp TAB:RA, #0 - | beq <1 // No metatable: done. - | ldrb RA, TAB:RA->nomm - | tst RA, #1<vmeta_tsetb - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:CARG1, INS, CARG3 - | b <2 - break; - - case BC_TSETM: - | // RA = base*8 (table at base-1), RC = num_const (start index) - | add RA, BASE, RA - |1: - | ldr RB, SAVE_MULTRES - | ldr TAB:CARG2, [RA, #-8] // Guaranteed to be a table. - | ldr CARG1, [KBASE, RC, lsl #3] // Integer constant is in lo-word. - | subs RB, RB, #8 - | ldr CARG4, TAB:CARG2->asize - | beq >4 // Nothing to copy? - | add CARG3, CARG1, RB, lsr #3 - | cmp CARG3, CARG4 - | ldr CARG4, TAB:CARG2->array - | add RB, RA, RB - | bhi >5 - | add INS, CARG4, CARG1, lsl #3 - | ldrb CARG1, TAB:CARG2->marked - |3: // Copy result slots to table. - | ldrd CARG34, [RA], #8 - | strd CARG34, [INS], #8 - | cmp RA, RB - | blo <3 - | tst CARG1, #LJ_GC_BLACK // isblack(table) - | bne >7 - |4: - | ins_next - | - |5: // Need to resize array part. - | str BASE, L->base - | mov CARG1, L - | str PC, SAVE_PC - | bl extern lj_tab_reasize // (lua_State *L, GCtab *t, int nasize) - | // Must not reallocate the stack. - | IOS ldr BASE, L->base - | b <1 - | - |7: // Possible table write barrier for any value. Skip valiswhite check. - | barrierback TAB:CARG2, CARG1, CARG3 - | b <4 - break; - - /* -- Calls and vararg handling ----------------------------------------- */ - - case BC_CALLM: - | // RA = base*8, (RB = nresults+1,) RC = extra_nargs - | ldr CARG1, SAVE_MULTRES - | decode_RC8 NARGS8:RC, INS - | add NARGS8:RC, NARGS8:RC, CARG1 - | b ->BC_CALL_Z - break; - case BC_CALL: - | decode_RC8 NARGS8:RC, INS - | // RA = base*8, (RB = nresults+1,) RC = (nargs+1)*8 - |->BC_CALL_Z: - | mov RB, BASE // Save old BASE for vmeta_call. - | ldrd CARG34, [BASE, RA]! - | sub NARGS8:RC, NARGS8:RC, #8 - | add BASE, BASE, #8 - | checkfunc CARG4, ->vmeta_call - | ins_call - break; - - case BC_CALLMT: - | // RA = base*8, (RB = 0,) RC = extra_nargs - | ldr CARG1, SAVE_MULTRES - | add NARGS8:RC, CARG1, RC, lsl #3 - | b ->BC_CALLT1_Z - break; - case BC_CALLT: - | lsl NARGS8:RC, RC, #3 - | // RA = base*8, (RB = 0,) RC = (nargs+1)*8 - |->BC_CALLT1_Z: - | ldrd LFUNC:CARG34, [RA, BASE]! - | sub NARGS8:RC, NARGS8:RC, #8 - | add RA, RA, #8 - | checkfunc CARG4, ->vmeta_callt - | ldr PC, [BASE, FRAME_PC] - |->BC_CALLT2_Z: - | mov RB, #0 - | ldrb CARG4, LFUNC:CARG3->ffid - | tst PC, #FRAME_TYPE - | bne >7 - |1: - | str LFUNC:CARG3, [BASE, FRAME_FUNC] // Copy function down, but keep PC. - | cmp NARGS8:RC, #0 - | beq >3 - |2: - | ldrd CARG12, [RA, RB] - | add INS, RB, #8 - | cmp INS, NARGS8:RC - | strd CARG12, [BASE, RB] - | mov RB, INS - | bne <2 - |3: - | cmp CARG4, #1 // (> FF_C) Calling a fast function? - | bhi >5 - |4: - | ins_callt - | - |5: // Tailcall to a fast function with a Lua frame below. - | ldr INS, [PC, #-4] - | decode_RA8 RA, INS - | sub CARG1, BASE, RA - | ldr LFUNC:CARG1, [CARG1, #-16] - | ldr CARG1, LFUNC:CARG1->field_pc - | ldr KBASE, [CARG1, #PC2PROTO(k)] - | b <4 - | - |7: // Tailcall from a vararg function. - | eor PC, PC, #FRAME_VARG - | tst PC, #FRAME_TYPEP // Vararg frame below? - | movne CARG4, #0 // Clear ffid if no Lua function below. - | bne <1 - | sub BASE, BASE, PC - | ldr PC, [BASE, FRAME_PC] - | tst PC, #FRAME_TYPE - | movne CARG4, #0 // Clear ffid if no Lua function below. - | b <1 - break; - - case BC_ITERC: - | // RA = base*8, (RB = nresults+1, RC = nargs+1 (2+1)) - | add RA, BASE, RA - | mov RB, BASE // Save old BASE for vmeta_call. - | ldrd CARG34, [RA, #-16] - | ldrd CARG12, [RA, #-8] - | add BASE, RA, #8 - | strd CARG34, [RA, #8] // Copy state. - | strd CARG12, [RA, #16] // Copy control var. - | // STALL: locked CARG34. - | ldrd LFUNC:CARG34, [RA, #-24] - | mov NARGS8:RC, #16 // Iterators get 2 arguments. - | // STALL: load CARG34. - | strd LFUNC:CARG34, [RA] // Copy callable. - | checkfunc CARG4, ->vmeta_call - | ins_call - break; - - case BC_ITERN: - | // RA = base*8, (RB = nresults+1, RC = nargs+1 (2+1)) -#if LJ_HASJIT - | // NYI: add hotloop, record BC_ITERN. -#endif - | add RA, BASE, RA - | ldr TAB:RB, [RA, #-16] - | ldr CARG1, [RA, #-8] // Get index from control var. - | ldr INS, TAB:RB->asize - | ldr CARG2, TAB:RB->array - | add PC, PC, #4 - |1: // Traverse array part. - | subs RC, CARG1, INS - | add CARG3, CARG2, CARG1, lsl #3 - | bhs >5 // Index points after array part? - | ldrd CARG34, [CARG3] - | checktp CARG4, LJ_TNIL - | addeq CARG1, CARG1, #1 // Skip holes in array part. - | beq <1 - | ldrh RC, [PC, #-2] - | mvn CARG2, #~LJ_TISNUM - | strd CARG34, [RA, #8] - | add RC, PC, RC, lsl #2 - | add RB, CARG1, #1 - | strd CARG12, [RA] - | sub PC, RC, #0x20000 - | str RB, [RA, #-8] // Update control var. - |3: - | ins_next - | - |5: // Traverse hash part. - | ldr CARG4, TAB:RB->hmask - | ldr NODE:RB, TAB:RB->node - |6: - | add CARG1, RC, RC, lsl #1 - | cmp RC, CARG4 // End of iteration? Branch to ITERL+1. - | add NODE:CARG3, NODE:RB, CARG1, lsl #3 // node = tab->node + idx*3*8 - | bhi <3 - | ldrd CARG12, NODE:CARG3->val - | checktp CARG2, LJ_TNIL - | add RC, RC, #1 - | beq <6 // Skip holes in hash part. - | ldrh RB, [PC, #-2] - | add RC, RC, INS - | ldrd CARG34, NODE:CARG3->key - | str RC, [RA, #-8] // Update control var. - | strd CARG12, [RA, #8] - | add RC, PC, RB, lsl #2 - | sub PC, RC, #0x20000 - | strd CARG34, [RA] - | b <3 - break; - - case BC_ISNEXT: - | // RA = base*8, RC = target (points to ITERN) - | add RA, BASE, RA - | add RC, PC, RC, lsl #2 - | ldrd CFUNC:CARG12, [RA, #-24] - | ldr CARG3, [RA, #-12] - | ldr CARG4, [RA, #-4] - | checktp CARG2, LJ_TFUNC - | ldrbeq CARG1, CFUNC:CARG1->ffid - | checktpeq CARG3, LJ_TTAB - | checktpeq CARG4, LJ_TNIL - | cmpeq CARG1, #FF_next_N - | subeq PC, RC, #0x20000 - | bne >5 - | ins_next1 - | ins_next2 - | mov CARG1, #0 - | str CARG1, [RA, #-8] // Initialize control var. - |1: - | ins_next3 - |5: // Despecialize bytecode if any of the checks fail. - | mov CARG1, #BC_JMP - | mov OP, #BC_ITERC - | strb CARG1, [PC, #-4] - | sub PC, RC, #0x20000 - | strb OP, [PC] // Subsumes ins_next1. - | ins_next2 - | b <1 - break; - - case BC_VARG: - | decode_RB8 RB, INS - | decode_RC8 RC, INS - | // RA = base*8, RB = (nresults+1)*8, RC = numparams*8 - | ldr CARG1, [BASE, FRAME_PC] - | add RC, BASE, RC - | add RA, BASE, RA - | add RC, RC, #FRAME_VARG - | add CARG4, RA, RB - | sub CARG3, BASE, #8 // CARG3 = vtop - | sub RC, RC, CARG1 // RC = vbase - | // Note: RC may now be even _above_ BASE if nargs was < numparams. - | cmp RB, #0 - | sub CARG1, CARG3, RC - | beq >5 // Copy all varargs? - | sub CARG4, CARG4, #16 - |1: // Copy vararg slots to destination slots. - | cmp RC, CARG3 - | ldrdlo CARG12, [RC], #8 - | mvnhs CARG2, #~LJ_TNIL - | cmp RA, CARG4 - | strd CARG12, [RA], #8 - | blo <1 - |2: - | ins_next - | - |5: // Copy all varargs. - | ldr CARG4, L->maxstack - | cmp CARG1, #0 - | movle RB, #8 // MULTRES = (0+1)*8 - | addgt RB, CARG1, #8 - | add CARG2, RA, CARG1 - | str RB, SAVE_MULTRES - | ble <2 - | cmp CARG2, CARG4 - | bhi >7 - |6: - | ldrd CARG12, [RC], #8 - | strd CARG12, [RA], #8 - | cmp RC, CARG3 - | blo <6 - | b <2 - | - |7: // Grow stack for varargs. - | lsr CARG2, CARG1, #3 - | str RA, L->top - | mov CARG1, L - | str BASE, L->base - | sub RC, RC, BASE // Need delta, because BASE may change. - | str PC, SAVE_PC - | sub RA, RA, BASE - | bl extern lj_state_growstack // (lua_State *L, int n) - | ldr BASE, L->base - | add RA, BASE, RA - | add RC, BASE, RC - | sub CARG3, BASE, #8 - | b <6 - break; - - /* -- Returns ----------------------------------------------------------- */ - - case BC_RETM: - | // RA = results*8, RC = extra results - | ldr CARG1, SAVE_MULTRES - | ldr PC, [BASE, FRAME_PC] - | add RA, BASE, RA - | add RC, CARG1, RC, lsl #3 - | b ->BC_RETM_Z - break; - - case BC_RET: - | // RA = results*8, RC = nresults+1 - | ldr PC, [BASE, FRAME_PC] - | lsl RC, RC, #3 - | add RA, BASE, RA - |->BC_RETM_Z: - | str RC, SAVE_MULTRES - |1: - | ands CARG1, PC, #FRAME_TYPE - | eor CARG2, PC, #FRAME_VARG - | bne ->BC_RETV2_Z - | - |->BC_RET_Z: - | // BASE = base, RA = resultptr, RC = (nresults+1)*8, PC = return - | ldr INS, [PC, #-4] - | subs CARG4, RC, #8 - | sub CARG3, BASE, #8 - | beq >3 - |2: - | ldrd CARG12, [RA], #8 - | add BASE, BASE, #8 - | subs CARG4, CARG4, #8 - | strd CARG12, [BASE, #-16] - | bne <2 - |3: - | decode_RA8 RA, INS - | sub CARG4, CARG3, RA - | decode_RB8 RB, INS - | ldr LFUNC:CARG1, [CARG4, FRAME_FUNC] - |5: - | cmp RB, RC // More results expected? - | bhi >6 - | mov BASE, CARG4 - | ldr CARG2, LFUNC:CARG1->field_pc - | ins_next1 - | ins_next2 - | ldr KBASE, [CARG2, #PC2PROTO(k)] - | ins_next3 - | - |6: // Fill up results with nil. - | mvn CARG2, #~LJ_TNIL - | add BASE, BASE, #8 - | add RC, RC, #8 - | str CARG2, [BASE, #-12] - | b <5 - | - |->BC_RETV1_Z: // Non-standard return case. - | add RA, BASE, RA - |->BC_RETV2_Z: - | tst CARG2, #FRAME_TYPEP - | bne ->vm_return - | // Return from vararg function: relocate BASE down. - | sub BASE, BASE, CARG2 - | ldr PC, [BASE, FRAME_PC] - | b <1 - break; - - case BC_RET0: case BC_RET1: - | // RA = results*8, RC = nresults+1 - | ldr PC, [BASE, FRAME_PC] - | lsl RC, RC, #3 - | str RC, SAVE_MULTRES - | ands CARG1, PC, #FRAME_TYPE - | eor CARG2, PC, #FRAME_VARG - | ldreq INS, [PC, #-4] - | bne ->BC_RETV1_Z - if (op == BC_RET1) { - | ldrd CARG12, [BASE, RA] - } - | sub CARG4, BASE, #8 - | decode_RA8 RA, INS - if (op == BC_RET1) { - | strd CARG12, [CARG4] - } - | sub BASE, CARG4, RA - | decode_RB8 RB, INS - | ldr LFUNC:CARG1, [BASE, FRAME_FUNC] - |5: - | cmp RB, RC - | bhi >6 - | ldr CARG2, LFUNC:CARG1->field_pc - | ins_next1 - | ins_next2 - | ldr KBASE, [CARG2, #PC2PROTO(k)] - | ins_next3 - | - |6: // Fill up results with nil. - | sub CARG2, CARG4, #4 - | mvn CARG3, #~LJ_TNIL - | str CARG3, [CARG2, RC] - | add RC, RC, #8 - | b <5 - break; - - /* -- Loops and branches ------------------------------------------------ */ - - |.define FOR_IDX, [RA]; .define FOR_TIDX, [RA, #4] - |.define FOR_STOP, [RA, #8]; .define FOR_TSTOP, [RA, #12] - |.define FOR_STEP, [RA, #16]; .define FOR_TSTEP, [RA, #20] - |.define FOR_EXT, [RA, #24]; .define FOR_TEXT, [RA, #28] - - case BC_FORL: -#if LJ_HASJIT - | hotloop -#endif - | // Fall through. Assumes BC_IFORL follows. - break; - - case BC_JFORI: - case BC_JFORL: -#if !LJ_HASJIT - break; -#endif - case BC_FORI: - case BC_IFORL: - | // RA = base*8, RC = target (after end of loop or start of loop) - vk = (op == BC_IFORL || op == BC_JFORL); - | ldrd CARG12, [RA, BASE]! - if (op != BC_JFORL) { - | add RC, PC, RC, lsl #2 - } - if (!vk) { - | ldrd CARG34, FOR_STOP - | checktp CARG2, LJ_TISNUM - | ldr RB, FOR_TSTEP - | bne >5 - | checktp CARG4, LJ_TISNUM - | ldr CARG4, FOR_STEP - | checktpeq RB, LJ_TISNUM - | bne ->vmeta_for - | cmp CARG4, #0 - | blt >4 - | cmp CARG1, CARG3 - } else { - | ldrd CARG34, FOR_STEP - | checktp CARG2, LJ_TISNUM - | bne >5 - | adds CARG1, CARG1, CARG3 - | ldr CARG4, FOR_STOP - if (op == BC_IFORL) { - | addvs RC, PC, #0x20000 // Overflow: prevent branch. - } else { - | bvs >2 // Overflow: do not enter mcode. - } - | cmp CARG3, #0 - | blt >4 - | cmp CARG1, CARG4 - } - |1: - if (op == BC_FORI) { - | subgt PC, RC, #0x20000 - } else if (op == BC_JFORI) { - | sub PC, RC, #0x20000 - | ldrhle RC, [PC, #-2] - } else if (op == BC_IFORL) { - | suble PC, RC, #0x20000 - } - if (vk) { - | strd CARG12, FOR_IDX - } - |2: - | ins_next1 - | ins_next2 - | strd CARG12, FOR_EXT - if (op == BC_JFORI || op == BC_JFORL) { - | ble =>BC_JLOOP - } - |3: - | ins_next3 - | - |4: // Invert check for negative step. - if (!vk) { - | cmp CARG3, CARG1 - } else { - | cmp CARG4, CARG1 - } - | b <1 - | - |5: // FP loop. - if (!vk) { - | cmnlo CARG4, #-LJ_TISNUM - | cmnlo RB, #-LJ_TISNUM - | bhs ->vmeta_for - | cmp RB, #0 - | strd CARG12, FOR_IDX - | strd CARG12, FOR_EXT - | blt >8 - } else { - | cmp CARG4, #0 - | blt >8 - | bl extern __aeabi_dadd - | strd CARG12, FOR_IDX - | ldrd CARG34, FOR_STOP - | strd CARG12, FOR_EXT - } - |6: - | bl extern __aeabi_cdcmple - if (op == BC_FORI) { - | subhi PC, RC, #0x20000 - } else if (op == BC_JFORI) { - | sub PC, RC, #0x20000 - | ldrhls RC, [PC, #-2] - | bls =>BC_JLOOP - } else if (op == BC_IFORL) { - | subls PC, RC, #0x20000 - } else { - | bls =>BC_JLOOP - } - | ins_next1 - | ins_next2 - | b <3 - | - |8: // Invert check for negative step. - if (vk) { - | bl extern __aeabi_dadd - | strd CARG12, FOR_IDX - | strd CARG12, FOR_EXT - } - | mov CARG3, CARG1 - | mov CARG4, CARG2 - | ldrd CARG12, FOR_STOP - | b <6 - break; - - case BC_ITERL: -#if LJ_HASJIT - | hotloop -#endif - | // Fall through. Assumes BC_IITERL follows. - break; - - case BC_JITERL: -#if !LJ_HASJIT - break; -#endif - case BC_IITERL: - | // RA = base*8, RC = target - | ldrd CARG12, [RA, BASE]! - if (op == BC_JITERL) { - | cmn CARG2, #-LJ_TNIL // Stop if iterator returned nil. - | strdne CARG12, [RA, #-8] - | bne =>BC_JLOOP - } else { - | add RC, PC, RC, lsl #2 - | // STALL: load CARG12. - | cmn CARG2, #-LJ_TNIL // Stop if iterator returned nil. - | subne PC, RC, #0x20000 // Otherwise save control var + branch. - | strdne CARG12, [RA, #-8] - } - | ins_next - break; - - case BC_LOOP: - | // RA = base*8, RC = target (loop extent) - | // Note: RA/RC is only used by trace recorder to determine scope/extent - | // This opcode does NOT jump, it's only purpose is to detect a hot loop. -#if LJ_HASJIT - | hotloop -#endif - | // Fall through. Assumes BC_ILOOP follows. - break; - - case BC_ILOOP: - | // RA = base*8, RC = target (loop extent) - | ins_next - break; - - case BC_JLOOP: -#if LJ_HASJIT - | // RA = base (ignored), RC = traceno - | ldr CARG1, [DISPATCH, #DISPATCH_J(trace)] - | mov CARG2, #0 // Traces on ARM don't store the trace number, so use 0. - | ldr TRACE:RC, [CARG1, RC, lsl #2] - | st_vmstate CARG2 - | ldr RA, TRACE:RC->mcode - | str BASE, [DISPATCH, #DISPATCH_GL(jit_base)] - | str L, [DISPATCH, #DISPATCH_GL(jit_L)] - | bx RA -#endif - break; - - case BC_JMP: - | // RA = base*8 (only used by trace recorder), RC = target - | add RC, PC, RC, lsl #2 - | sub PC, RC, #0x20000 - | ins_next - break; - - /* -- Function headers -------------------------------------------------- */ - - case BC_FUNCF: -#if LJ_HASJIT - | hotcall -#endif - case BC_FUNCV: /* NYI: compiled vararg functions. */ - | // Fall through. Assumes BC_IFUNCF/BC_IFUNCV follow. - break; - - case BC_JFUNCF: -#if !LJ_HASJIT - break; -#endif - case BC_IFUNCF: - | // BASE = new base, RA = BASE+framesize*8, CARG3 = LFUNC, RC = nargs*8 - | ldr CARG1, L->maxstack - | ldrb CARG2, [PC, #-4+PC2PROTO(numparams)] - | ldr KBASE, [PC, #-4+PC2PROTO(k)] - | cmp RA, CARG1 - | bhi ->vm_growstack_l - if (op != BC_JFUNCF) { - | ins_next1 - | ins_next2 - } - |2: - | cmp NARGS8:RC, CARG2, lsl #3 // Check for missing parameters. - | mvn CARG4, #~LJ_TNIL - | ble >3 - if (op == BC_JFUNCF) { - | decode_RD RC, INS - | b =>BC_JLOOP - } else { - | ins_next3 - } - | - |3: // Clear missing parameters. - | strd CARG34, [BASE, NARGS8:RC] - | add NARGS8:RC, NARGS8:RC, #8 - | b <2 - break; - - case BC_JFUNCV: -#if !LJ_HASJIT - break; -#endif - | NYI // NYI: compiled vararg functions - break; /* NYI: compiled vararg functions. */ - - case BC_IFUNCV: - | // BASE = new base, RA = BASE+framesize*8, CARG3 = LFUNC, RC = nargs*8 - | ldr CARG1, L->maxstack - | add CARG4, BASE, RC - | add RA, RA, RC - | str LFUNC:CARG3, [CARG4] // Store copy of LFUNC. - | add CARG2, RC, #8+FRAME_VARG - | ldr KBASE, [PC, #-4+PC2PROTO(k)] - | cmp RA, CARG1 - | str CARG2, [CARG4, #4] // Store delta + FRAME_VARG. - | bhs ->vm_growstack_l - | ldrb RB, [PC, #-4+PC2PROTO(numparams)] - | mov RA, BASE - | mov RC, CARG4 - | cmp RB, #0 - | add BASE, CARG4, #8 - | beq >3 - | mvn CARG3, #~LJ_TNIL - |1: - | cmp RA, RC // Less args than parameters? - | ldrdlo CARG12, [RA], #8 - | movhs CARG2, CARG3 - | strlo CARG3, [RA, #-4] // Clear old fixarg slot (help the GC). - |2: - | subs RB, RB, #1 - | strd CARG12, [CARG4, #8]! - | bne <1 - |3: - | ins_next - break; - - case BC_FUNCC: - case BC_FUNCCW: - | // BASE = new base, RA = BASE+framesize*8, CARG3 = CFUNC, RC = nargs*8 - if (op == BC_FUNCC) { - | ldr CARG4, CFUNC:CARG3->f - } else { - | ldr CARG4, [DISPATCH, #DISPATCH_GL(wrapf)] - } - | add CARG2, RA, NARGS8:RC - | ldr CARG1, L->maxstack - | add RC, BASE, NARGS8:RC - | str BASE, L->base - | cmp CARG2, CARG1 - | str RC, L->top - if (op == BC_FUNCCW) { - | ldr CARG2, CFUNC:CARG3->f - } - | mv_vmstate CARG3, C - | mov CARG1, L - | bhi ->vm_growstack_c // Need to grow stack. - | st_vmstate CARG3 - | blx CARG4 // (lua_State *L [, lua_CFunction f]) - | // Returns nresults. - | ldr BASE, L->base - | mv_vmstate CARG3, INTERP - | ldr CRET2, L->top - | lsl RC, CRET1, #3 - | st_vmstate CARG3 - | ldr PC, [BASE, FRAME_PC] - | sub RA, CRET2, RC // RA = L->top - nresults*8 - | b ->vm_returnc - break; - - /* ---------------------------------------------------------------------- */ - - default: - fprintf(stderr, "Error: undefined opcode BC_%s\n", bc_names[op]); - exit(2); - break; - } -} - -static int build_backend(BuildCtx *ctx) -{ - int op; - - dasm_growpc(Dst, BC__MAX); - - build_subroutines(ctx); - - |.code_op - for (op = 0; op < BC__MAX; op++) - build_ins(ctx, (BCOp)op, op); - - return BC__MAX; -} - -/* Emit pseudo frame-info for all assembler functions. */ -static void emit_asm_debug(BuildCtx *ctx) -{ - int fcofs = (int)((uint8_t *)ctx->glob[GLOB_vm_ffi_call] - ctx->code); - int i; - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, "\t.section .debug_frame,\"\",%%progbits\n"); - fprintf(ctx->fp, - ".Lframe0:\n" - "\t.long .LECIE0-.LSCIE0\n" - ".LSCIE0:\n" - "\t.long 0xffffffff\n" - "\t.byte 0x1\n" - "\t.string \"\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 0xe\n" /* Return address is in lr. */ - "\t.byte 0xc\n\t.uleb128 0xd\n\t.uleb128 0\n" /* def_cfa sp */ - "\t.align 2\n" - ".LECIE0:\n\n"); - fprintf(ctx->fp, - ".LSFDE0:\n" - "\t.long .LEFDE0-.LASFDE0\n" - ".LASFDE0:\n" - "\t.long .Lframe0\n" - "\t.long .Lbegin\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ - "\t.byte 0x8e\n\t.uleb128 1\n", /* offset lr */ - fcofs, CFRAME_SIZE); - for (i = 11; i >= 4; i--) /* offset r4-r11 */ - fprintf(ctx->fp, "\t.byte %d\n\t.uleb128 %d\n", 0x80+i, 2+(11-i)); - fprintf(ctx->fp, - "\t.align 2\n" - ".LEFDE0:\n\n"); -#if LJ_HASFFI - fprintf(ctx->fp, - ".LSFDE1:\n" - "\t.long .LEFDE1-.LASFDE1\n" - ".LASFDE1:\n" - "\t.long .Lframe0\n" - "\t.long lj_vm_ffi_call\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 16\n" /* def_cfa_offset */ - "\t.byte 0x8e\n\t.uleb128 1\n" /* offset lr */ - "\t.byte 0x8b\n\t.uleb128 2\n" /* offset r11 */ - "\t.byte 0x85\n\t.uleb128 3\n" /* offset r5 */ - "\t.byte 0x84\n\t.uleb128 4\n" /* offset r4 */ - "\t.byte 0xd\n\t.uleb128 0xb\n" /* def_cfa_register r11 */ - "\t.align 2\n" - ".LEFDE1:\n\n", (int)ctx->codesz - fcofs); -#endif - break; - default: - break; - } -} - diff --git a/libraries/luajit-2.0/src/buildvm_arm.h b/libraries/luajit-2.0/src/buildvm_arm.h deleted file mode 100644 index 9d26dd8..0000000 --- a/libraries/luajit-2.0/src/buildvm_arm.h +++ /dev/null @@ -1,7487 +0,0 @@ -/* -** This file has been pre-processed with DynASM. -** http://luajit.org/dynasm.html -** DynASM version 1.3.0, DynASM arm version 1.3.0 -** DO NOT EDIT! The original file is in "buildvm_arm.dasc". -*/ - -#if DASM_VERSION != 10300 -#error "Version mismatch between DynASM and included encoding engine" -#endif - -#define DASM_SECTION_CODE_OP 0 -#define DASM_SECTION_CODE_SUB 1 -#define DASM_MAXSECTION 2 -static const unsigned int build_actionlist[5777] = { -0x00010001, -0x00060014, -0xe3160000, -0x000a0000, -0x0a000000, -0x00050015, -0xe51c6004, -0xe3e01000, -0x000a0000, -0xe1a0900c, -0xe50a1004, -0xe24aa008, -0x00060016, -0xe28bb008, -0xe2160000, -0x000a0000, -0xe58db004, -0x0a000000, -0x00050017, -0x00060018, -0xe3c6c000, -0x000a0000, -0xe3500000, -0x000a0000, -0xe049c00c, -0x1a000000, -0x00050014, -0xe508c000, -0x000d8180, -0xe59d5014, -0xe3e03000, -0x000a0000, -0xe2499008, -0xe25b2008, -0xe1a05185, -0xe5073000, -0x000d8180, -0x0a000000, -0x00050002, -0x0006000b, -0xe2522008, -0xe0ca00d8, -0xe0c900f8, -0x1a000000, -0x0005000b, -0x0006000c, -0xe155000b, -0x1a000000, -0x00050006, -0x0006000d, -0xe5089000, -0x000d8180, -0x00060019, -0x00000000, -0xe59db010, -0xe3a00000, -0xe508b000, -0x000d8180, -0x0006001a, -0xe28dd01c, -0xe8bd8ff0, -0x00060010, -0xba000000, -0x00050007, -0xe5182000, -0x000d8180, -0xe3e01000, -0x000a0000, -0xe1590002, -0x2a000000, -0x00050008, -0xe5891004, -0xe28bb008, -0xe2899008, -0xea000000, -0x0005000c, -0x00060011, -0xe04b0005, -0xe3550000, -0x10499000, -0xea000000, -0x0005000d, -0x00060012, -0xe5089000, -0x000d8180, -0xe1a01005, -0xe1a00008, -0xeb000000, -0x00030000, -0xe5189000, -0x000d8180, -0xea000000, -0x0005000c, -0x0006001b, -0xe1a0d000, -0xe1a00001, -0x0006001c, -0xe59d800c, -0xe3e03000, -0x000a0000, -0xe5182000, -0x000d8180, -0xe5023000, -0x000d8180, -0xea000000, -0x0005001a, -0x0006001d, -0x00000000, -0xe3c00000, -0x000a0000, -0xe1a0d000, -0x0006001e, -0xe59d800c, -0xe3a040ff, -0xe3a0b010, -0xe1a04184, -0xe5189000, -0x000d8180, -0xe5187000, -0x000d8180, -0xe3e00000, -0x000a0000, -0xe249a008, -0xe5196004, -0xe2877000, -0x000a0000, -0xe3e01000, -0x000a0000, -0xe5090004, -0xe5071000, 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-0xe5523000, -0x000d8180, -0xe3160000, -0x000a0000, -0x1a000000, -0x00050007, -0x0006000b, -0xe5092008, -0xe35b0000, -0x0a000000, -0x00050003, -0x0006000c, -0xe18a00dc, -0xe28ce008, -0xe15e000b, -0xe18900fc, -0xe1a0c00e, -0x1a000000, -0x0005000c, -0x0006000d, -0xe3530001, -0x8a000000, -0x00050005, -0x0006000e, -0xe5126000, -0x000d8180, -0xe5d6c000, -0xe496e004, -0xe797c10c, -0xe004a2ae, -0xe08aa009, -0xe12fff1c, -0x0006000f, -0xe516e004, -0xe004a2ae, -0xe049000a, -0xe5100010, -0xe5100000, -0x000d8180, -0xe5105000, -0x000d8180, -0xea000000, -0x0005000e, -0x00060011, -0xe2266000, -0x000a0000, -0xe3160000, -0x000a0000, -0x00000000, -0x13a03000, -0x1a000000, -0x0005000b, -0xe0499006, -0xe5196004, -0xe3160000, -0x000a0000, -0x13a03000, -0xea000000, -0x0005000b, -0x00000000, -0xe089a00a, -0xe1a0c009, -0xe14a21d0, -0xe14a00d8, -0xe28a9008, -0xe1ca20f8, -0xe1ca01f0, -0xe14a21d8, -0xe3a0b010, -0xe1ca20f0, -0xe3730000, -0x000a0000, -0x1a000000, -0x00050025, -0xe5096004, -0xe5126000, -0x000d8180, -0xe5d6c000, -0xe496e004, -0xe797c10c, -0xe004a2ae, -0xe08aa009, -0xe12fff1c, -0x00000000, -0xe089a00a, -0xe51ac010, -0xe51a0008, -0xe51ce000, -0x000d8180, -0xe51c1000, -0x000d8180, -0xe2866004, -0x0006000b, -0xe050b00e, -0xe0812180, -0x2a000000, -0x00050005, -0xe1c220d0, -0xe3730000, -0x000a0000, -0x02800001, -0x0a000000, -0x0005000b, -0xe156b0b2, -0xe3e01000, -0x000a0000, -0xe1ca20f8, -0xe086b10b, -0xe280c001, -0xe1ca00f0, -0xe24b6b80, -0xe50ac008, -0x0006000d, -0xe5d6c000, -0xe496e004, -0xe797c10c, -0xe004a2ae, -0xe1a0b82e, -0xe12fff1c, -0x0006000f, -0xe51c3000, -0x000d8180, -0xe51cc000, -0x000d8180, -0x00060010, -0xe08b008b, -0xe15b0003, -0xe08c2180, -0x8a000000, -0x0005000d, -0xe14200d0, -0x000c8100, -0xe3710000, -0x000a0000, -0xe28bb001, -0x0a000000, -0x00050010, -0xe156c0b2, -0xe08bb00e, -0xe14220d0, -0x000c8100, -0xe50ab008, -0xe1ca00f8, -0xe086b10c, -0xe24b6b80, -0xe1ca20f0, -0xea000000, -0x0005000d, -0x00000000, -0xe089a00a, -0xe086b10b, -0xe14a01d8, -0xe51a200c, -0xe51a3004, -0xe3710000, -0x000a0000, -0x05500000, -0x000d8180, -0x03720000, -0x000a0000, -0x03730000, -0x000a0000, -0x03500000, -0x000a0000, -0x024b6b80, -0x1a000000, -0x00050005, -0xe5d6c000, -0xe496e004, -0xe3a00000, -0xe50a0008, -0x0006000b, -0xe797c10c, -0xe004a2ae, -0xe1a0b82e, -0xe12fff1c, -0x0006000f, -0xe3a00000, -0x000a0000, -0xe3a0c000, -0x000a0000, -0xe5460004, -0xe24b6b80, -0xe5c6c000, -0xe496e004, -0xea000000, -0x0005000b, -0x00000000, -0xe004caae, -0xe004b6ae, -0xe5190004, -0xe089b00b, -0xe089a00a, -0xe28bb000, -0x000a0000, -0xe08a300c, -0xe2492008, -0xe04bb000, -0xe35c0000, -0xe042000b, -0x0a000000, -0x00050005, -0xe2433010, -0x0006000b, -0xe15b0002, -0x30cb00d8, -0x23e01000, -0x000a0000, -0xe15a0003, -0xe0ca00f8, -0x3a000000, -0x0005000b, -0x0006000c, -0xe5d6c000, -0xe496e004, -0xe797c10c, -0xe004a2ae, -0xe1a0b82e, -0xe12fff1c, -0x0006000f, -0xe5183000, -0x000d8180, -0xe3500000, -0xd3a0c008, -0xc280c008, -0xe08a1000, -0xe58dc004, -0xda000000, -0x0005000c, -0xe1510003, -0x8a000000, -0x00050007, -0x00060010, -0xe0cb00d8, -0xe0ca00f8, -0xe15b0002, -0x3a000000, -0x00050010, -0xea000000, -0x0005000c, -0x00060011, -0xe1a011a0, -0xe508a000, -0x000d8180, -0xe1a00008, -0xe5089000, -0x000d8180, -0xe04bb009, -0xe58d6008, -0xe04aa009, -0xeb000000, -0x00030000, -0xe5189000, -0x000d8180, -0xe089a00a, -0xe089b00b, -0xe2492008, -0xea000000, -0x00050010, -0x00000000, -0xe59d0004, -0xe5196004, -0xe089a00a, -0xe080b18b, -0xea000000, -0x000500a3, -0x00000000, -0xe5196004, -0xe1a0b18b, -0xe089a00a, -0x000600a3, -0xe58db004, -0x0006000b, -0xe2160000, -0x000a0000, -0xe2261000, -0x000a0000, -0x1a000000, -0x000500a4, -0x00060017, -0xe516e004, -0xe25b3008, -0xe2492008, -0x0a000000, -0x00050003, -0x0006000c, -0xe0ca00d8, -0xe2899008, -0xe2533008, -0xe14901f0, -0x1a000000, -0x0005000c, -0x0006000d, -0xe004a2ae, -0xe042300a, -0xe004caae, -0xe5130008, -0x0006000f, -0xe15c000b, -0x8a000000, -0x00050006, -0xe1a09003, -0xe5101000, -0x000d8180, -0xe5d6c000, -0xe496e004, -0xe5115000, -0x000d8180, -0xe797c10c, -0xe004a2ae, -0xe1a0b82e, -0xe12fff1c, -0x00060010, -0xe3e01000, -0x000a0000, -0xe2899008, -0xe28bb008, -0xe509100c, -0xea000000, -0x0005000f, -0x000600a5, -0xe089a00a, -0x000600a4, -0xe3110000, -0x000a0000, -0x1a000000, -0x00050018, -0xe0499001, -0xe5196004, -0xea000000, -0x0005000b, -0x00000000, -0xe5196004, -0xe1a0b18b, -0xe58db004, -0xe2160000, -0x000a0000, -0xe2261000, -0x000a0000, -0x0516e004, -0x1a000000, -0x000500a5, -0x00000000, -0xe18900da, -0x00000000, -0xe2493008, -0xe004a2ae, -0x00000000, -0xe1c300f0, -0x00000000, -0xe043900a, -0xe004caae, -0xe5190008, -0x0006000f, -0xe15c000b, -0x8a000000, -0x00050006, -0xe5101000, -0x000d8180, -0xe5d6c000, -0xe496e004, -0xe5115000, -0x000d8180, -0xe797c10c, -0xe004a2ae, -0xe1a0b82e, -0xe12fff1c, -0x00060010, -0xe2431004, -0xe3e02000, -0x000a0000, -0xe781200b, -0xe28bb008, -0xea000000, -0x0005000f, -0x00000000, -0xe1a000a6, -0xe200007e, -0xe2400000, -0x000a0000, -0xe19710b0, -0xe2511000, -0x000a0000, -0xe18710b0, -0x3a000000, -0x00050092, -0x00000000, -0xe1aa00d9, -0x00000000, -0xe086b10b, -0x00000000, -0xe1ca20d8, -0xe3710000, -0x000a0000, -0xe59ac014, -0x1a000000, -0x00050005, -0xe3730000, -0x000a0000, -0xe59a3010, -0x037c0000, -0x000a0000, -0x1a000000, -0x00050044, -0xe3530000, -0xba000000, -0x00050004, -0xe1500002, -0x00000000, -0xe1ca21d0, -0xe3710000, -0x000a0000, -0x1a000000, -0x00050005, -0xe0900002, -0xe59a3008, -0x00000000, -0x6286bb80, -0x00000000, -0x6a000000, -0x00050002, -0x00000000, -0xe3520000, -0xba000000, -0x00050004, -0xe1500003, -0x00000000, -0x0006000b, -0x00000000, -0xc24b6b80, -0x00000000, -0xe24b6b80, -0xd156b0b2, -0x00000000, -0xd24b6b80, -0x00000000, -0xe1ca00f0, -0x00000000, -0x0006000c, -0xe5d6c000, -0xe496e004, -0xe1ca01f8, -0x00000000, -0xda000000, -0x00070000, -0x00000000, -0x0006000d, -0xe797c10c, -0xe004a2ae, -0xe1a0b82e, -0xe12fff1c, -0x0006000e, -0x00000000, -0xe1520000, -0x00000000, -0xe1530000, -0x00000000, -0xea000000, -0x0005000b, -0x0006000f, -0x00000000, -0x33730000, -0x000a0000, -0x337c0000, -0x000a0000, -0x2a000000, -0x00050044, -0xe35c0000, -0xe1ca00f0, -0xe1ca01f8, -0xba000000, -0x00050008, -0x00000000, -0xe3530000, -0xba000000, -0x00050008, -0xeb000000, -0x0003002e, -0xe1ca00f0, -0xe1ca20d8, -0xe1ca01f8, -0x00000000, -0x00060010, -0xeb000000, -0x00030024, -0x00000000, -0x824b6b80, -0x00000000, -0xe24b6b80, -0x9156b0b2, -0x9a000000, -0x00070000, -0x00000000, -0x924b6b80, -0x00000000, -0x9a000000, -0x00070000, -0x00000000, -0xe5d6c000, -0xe496e004, -0xea000000, -0x0005000d, -0x00060012, -0x00000000, -0xeb000000, -0x0003002e, -0xe1ca00f0, -0xe1ca01f8, -0x00000000, -0xe1a02000, -0xe1a03001, -0xe1ca00d8, -0xea000000, -0x00050010, -0x00000000, -0xe1a000a6, -0xe200007e, -0xe2400000, -0x000a0000, -0xe19710b0, -0xe2511000, -0x000a0000, -0xe18710b0, -0x3a000000, -0x00050092, -0x00000000, -0xe1aa00d9, -0x00000000, -0xe3710000, -0x000a0000, -0x114a00f8, -0x1a000000, -0x00070000, -0x00000000, -0xe086b10b, -0xe3710000, -0x000a0000, -0x124b6b80, -0x114a00f8, -0x00000000, -0xe5d6c000, -0xe496e004, -0xe797c10c, -0xe004a2ae, -0xe1a0b82e, -0xe12fff1c, -0x00000000, -0xe1a000a6, -0xe200007e, -0xe2400000, -0x000a0000, -0xe19710b0, -0xe2511000, -0x000a0000, -0xe18710b0, -0x3a000000, -0x00050092, -0x00000000, -0xe5d6c000, -0xe496e004, -0xe797c10c, -0xe004a2ae, -0xe1a0b82e, -0xe12fff1c, -0x00000000, -0xe5170000, -0x000d8180, -0xe3a01000, -0xe790b10b, -0xe5071000, -0x000d8180, -0xe51ba000, -0x000d8180, -0xe5079000, -0x000d8180, -0xe5078000, -0x000d8180, -0xe12fff1a, -0x00000000, -0xe086b10b, -0xe24b6b80, -0xe5d6c000, -0xe496e004, -0xe797c10c, -0xe004a2ae, -0xe1a0b82e, -0xe12fff1c, -0x00000000, -0xe1a000a6, -0xe200007e, -0xe2400000, -0x000a0000, -0xe19710b0, -0xe2511000, -0x000a0000, -0xe18710b0, -0x3a000000, -0x00050094, -0x00000000, -0xe5180000, -0x000d8180, -0xe5561000, -0x000d8180, -0xe5165000, -0x000d8180, -0xe15a0000, -0x8a000000, -0x00050020, -0x00000000, -0xe5d6c000, -0xe496e004, -0x00000000, -0x0006000c, -0xe15b0181, -0xe3e03000, -0x000a0000, -0xda000000, -0x00050003, -0x00000000, -0xe1a0b82e, -0xea000000, -0x00070000, -0x00000000, -0xe797c10c, -0xe004a2ae, -0xe1a0b82e, -0xe12fff1c, -0x00000000, -0x0006000d, -0xe18920fb, -0xe28bb008, -0xea000000, -0x0005000c, -0x00000000, -0xe7f001f0, -0x00000000, -0xe5180000, -0x000d8180, -0xe089300b, -0xe08aa00b, -0xe5832000, -0xe28b1000, -0x000a0000, -0xe5165000, -0x000d8180, -0xe15a0000, -0xe5831004, -0x2a000000, -0x00050020, -0xe556c000, -0x000d8180, -0xe1a0a009, -0xe1a0b003, -0xe35c0000, -0xe2839008, -0x0a000000, -0x00050003, -0xe3e02000, -0x000a0000, -0x0006000b, -0xe15a000b, -0x30ca00d8, -0x21a01002, -0x350a2004, -0x0006000c, -0xe25cc001, -0xe1e300f8, -0x1a000000, -0x0005000b, -0x0006000d, -0xe5d6c000, -0xe496e004, -0xe797c10c, -0xe004a2ae, -0xe1a0b82e, -0xe12fff1c, -0x00000000, -0xe5123000, -0x000d8180, -0x00000000, -0xe5173000, -0x000d8180, -0x00000000, -0xe08a100b, -0xe5180000, -0x000d8180, -0xe089b00b, -0xe5089000, -0x000d8180, -0xe1510000, -0xe508b000, -0x000d8180, -0x00000000, -0xe5121000, -0x000d8180, -0x00000000, -0xe3e02000, -0x000a0000, -0xe1a00008, -0x8a000000, -0x0005001f, -0xe5072000, -0x000d8180, -0xe12fff33, -0xe5189000, -0x000d8180, -0xe3e02000, -0x000a0000, -0xe5181000, -0x000d8180, -0xe1a0b180, -0xe5072000, -0x000d8180, -0xe5196004, -0xe041a00b, -0xea000000, -0x00050016, -0x00000000, -0x00010000 -}; - -enum { - GLOB_vm_returnp, - GLOB_cont_dispatch, - GLOB_vm_returnc, - GLOB_BC_RET_Z, - GLOB_vm_return, - GLOB_vm_leave_cp, - GLOB_vm_leave_unw, - GLOB_vm_unwind_c, - GLOB_vm_unwind_c_eh, - GLOB_vm_unwind_ff, - GLOB_vm_unwind_ff_eh, - GLOB_vm_growstack_c, - GLOB_vm_growstack_l, - GLOB_vm_resume, - GLOB_vm_pcall, - GLOB_vm_call, - GLOB_vm_call_dispatch, - GLOB_vmeta_call, - GLOB_vm_call_dispatch_f, - GLOB_vm_cpcall, - GLOB_cont_ffi_callback, - GLOB_vm_call_tail, - GLOB_cont_cat, - GLOB_BC_CAT_Z, - GLOB_cont_nop, - GLOB_vmeta_tgets1, - GLOB_vmeta_tgets, - GLOB_vmeta_tgetb, - GLOB_vmeta_tgetv, - GLOB_vmeta_tsets1, - GLOB_vmeta_tsets, - GLOB_vmeta_tsetb, - GLOB_vmeta_tsetv, - GLOB_vmeta_comp, - GLOB_vmeta_binop, - GLOB_cont_ra, - GLOB_cont_condt, - GLOB_cont_condf, - GLOB_vmeta_equal, - GLOB_vmeta_equal_cd, - GLOB_vmeta_arith_vn, - GLOB_vmeta_arith_nv, - GLOB_vmeta_unm, - GLOB_vmeta_arith_vv, - GLOB_vmeta_len, - GLOB_BC_LEN_Z, - GLOB_vmeta_callt, - GLOB_BC_CALLT2_Z, - GLOB_vmeta_for, - GLOB_ff_assert, - GLOB_fff_fallback, - GLOB_fff_res, - GLOB_ff_type, - GLOB_fff_restv, - GLOB_ff_getmetatable, - GLOB_ff_setmetatable, - GLOB_ff_rawget, - GLOB_ff_tonumber, - GLOB_ff_tostring, - GLOB_fff_gcstep, - GLOB_ff_next, - GLOB_ff_pairs, - GLOB_ff_ipairs_aux, - GLOB_ff_ipairs, - GLOB_ff_pcall, - GLOB_ff_xpcall, - GLOB_ff_coroutine_resume, - GLOB_ff_coroutine_wrap_aux, - GLOB_ff_coroutine_yield, - GLOB_ff_math_floor, - GLOB_vm_floor, - GLOB_ff_math_ceil, - GLOB_vm_ceil, - GLOB_ff_math_abs, - GLOB_fff_res1, - GLOB_ff_math_sqrt, - GLOB_ff_math_log, - GLOB_ff_math_log10, - GLOB_ff_math_exp, - GLOB_ff_math_sin, - GLOB_ff_math_cos, - GLOB_ff_math_tan, - GLOB_ff_math_asin, - GLOB_ff_math_acos, - GLOB_ff_math_atan, - GLOB_ff_math_sinh, - GLOB_ff_math_cosh, - GLOB_ff_math_tanh, - GLOB_ff_math_pow, - GLOB_ff_math_atan2, - GLOB_ff_math_fmod, - GLOB_ff_math_deg, - GLOB_ff_math_rad, - GLOB_ff_math_ldexp, - GLOB_ff_math_frexp, - GLOB_ff_math_modf, - GLOB_ff_math_min, - GLOB_ff_math_max, - GLOB_ff_string_len, - GLOB_ff_string_byte, - GLOB_ff_string_char, - GLOB_fff_newstr, - GLOB_ff_string_sub, - GLOB_fff_emptystr, - GLOB_ff_string_rep, - GLOB_ff_string_reverse, - GLOB_ff_string_lower, - GLOB_ff_string_upper, - GLOB_ff_table_getn, - GLOB_vm_tobit_fb, - GLOB_vm_tobit, - GLOB_ff_bit_tobit, - GLOB_ff_bit_band, - GLOB_ff_bit_bor, - GLOB_ff_bit_bxor, - GLOB_ff_bit_bswap, - GLOB_ff_bit_bnot, - GLOB_ff_bit_lshift, - GLOB_ff_bit_rshift, - GLOB_ff_bit_arshift, - GLOB_ff_bit_rol, - GLOB_ff_bit_ror, - GLOB_vm_record, - GLOB_vm_rethook, - GLOB_vm_inshook, - GLOB_cont_hook, - GLOB_vm_hotloop, - GLOB_vm_callhook, - GLOB_vm_hotcall, - GLOB_vm_exit_handler, - GLOB_vm_exit_interp, - GLOB_vm_trunc, - GLOB_vm_mod, - GLOB_vm_modi, - GLOB_vm_foldarith, - GLOB_vm_ffi_callback, - GLOB_vm_ffi_call, - GLOB_BC_ISEQN_Z, - GLOB_BC_ISNEN_Z, - GLOB_BC_TGETS_Z, - GLOB_BC_TSETS_Z, - GLOB_BC_CALL_Z, - GLOB_BC_CALLT1_Z, - GLOB_BC_RETM_Z, - GLOB_BC_RETV2_Z, - GLOB_BC_RETV1_Z, - GLOB__MAX -}; -static const char *const globnames[] = { - "vm_returnp", - "cont_dispatch", - "vm_returnc", - "BC_RET_Z", - "vm_return", - "vm_leave_cp", - "vm_leave_unw", - "vm_unwind_c", - "vm_unwind_c_eh", - "vm_unwind_ff", - "vm_unwind_ff_eh", - "vm_growstack_c", - "vm_growstack_l", - "vm_resume", - "vm_pcall", - "vm_call", - "vm_call_dispatch", - "vmeta_call", - "vm_call_dispatch_f", - "vm_cpcall", - "cont_ffi_callback", - "vm_call_tail", - "cont_cat", - "BC_CAT_Z", - "cont_nop", - "vmeta_tgets1", - "vmeta_tgets", - "vmeta_tgetb", - "vmeta_tgetv", - "vmeta_tsets1", - "vmeta_tsets", - "vmeta_tsetb", - "vmeta_tsetv", - "vmeta_comp", - "vmeta_binop", - "cont_ra", - "cont_condt", - "cont_condf", - "vmeta_equal", - "vmeta_equal_cd", - "vmeta_arith_vn", - "vmeta_arith_nv", - "vmeta_unm", - "vmeta_arith_vv", - "vmeta_len", - "BC_LEN_Z", - "vmeta_callt", - "BC_CALLT2_Z", - "vmeta_for", - "ff_assert", - "fff_fallback", - "fff_res", - "ff_type", - "fff_restv", - "ff_getmetatable", - "ff_setmetatable", - "ff_rawget", - "ff_tonumber", - "ff_tostring", - "fff_gcstep", - "ff_next", - "ff_pairs", - "ff_ipairs_aux", - "ff_ipairs", - "ff_pcall", - "ff_xpcall", - "ff_coroutine_resume", - "ff_coroutine_wrap_aux", - "ff_coroutine_yield", - "ff_math_floor", - "vm_floor", - "ff_math_ceil", - "vm_ceil", - "ff_math_abs", - "fff_res1", - "ff_math_sqrt", - "ff_math_log", - "ff_math_log10", - "ff_math_exp", - "ff_math_sin", - "ff_math_cos", - "ff_math_tan", - "ff_math_asin", - "ff_math_acos", - "ff_math_atan", - "ff_math_sinh", - "ff_math_cosh", - "ff_math_tanh", - "ff_math_pow", - "ff_math_atan2", - "ff_math_fmod", - "ff_math_deg", - "ff_math_rad", - "ff_math_ldexp", - "ff_math_frexp", - "ff_math_modf", - "ff_math_min", - "ff_math_max", - "ff_string_len", - "ff_string_byte", - "ff_string_char", - "fff_newstr", - "ff_string_sub", - "fff_emptystr", - "ff_string_rep", - "ff_string_reverse", - "ff_string_lower", - "ff_string_upper", - "ff_table_getn", - "vm_tobit_fb", - "vm_tobit", - "ff_bit_tobit", - "ff_bit_band", - "ff_bit_bor", - "ff_bit_bxor", - "ff_bit_bswap", - "ff_bit_bnot", - "ff_bit_lshift", - "ff_bit_rshift", - "ff_bit_arshift", - "ff_bit_rol", - "ff_bit_ror", - "vm_record", - "vm_rethook", - "vm_inshook", - "cont_hook", - "vm_hotloop", - "vm_callhook", - "vm_hotcall", - "vm_exit_handler", - "vm_exit_interp", - "vm_trunc", - "vm_mod", - "vm_modi", - "vm_foldarith", - "vm_ffi_callback", - "vm_ffi_call", - "BC_ISEQN_Z", - "BC_ISNEN_Z", - "BC_TGETS_Z", - "BC_TSETS_Z", - "BC_CALL_Z", - "BC_CALLT1_Z", - "BC_RETM_Z", - "BC_RETV2_Z", - "BC_RETV1_Z", - (const char *)0 -}; -static const char *const extnames[] = { - "lj_state_growstack", - "lj_meta_tget", - "lj_meta_tset", - "lj_meta_comp", - "lj_meta_equal", - "lj_meta_equal_cd", - "lj_meta_arith", - "lj_meta_len", - "lj_meta_call", - "lj_meta_for", - "lj_tab_get", - "lj_str_fromnumber", - "lj_tab_next", - "lj_tab_getinth", - "lj_ffh_coroutine_wrap_err", - "sqrt", - "log", - "log10", - "exp", - "sin", - "cos", - "tan", - "asin", - "acos", - "atan", - "sinh", - "cosh", - "tanh", - "pow", - "atan2", - "fmod", - "__aeabi_dmul", - "ldexp", - "frexp", - "modf", - "__aeabi_i2d", - "__aeabi_cdcmple", - "lj_str_new", - "lj_tab_len", - "lj_gc_step", - "lj_dispatch_ins", - "lj_trace_hot", - "lj_dispatch_call", - "lj_trace_exit", - "lj_err_throw", - "__aeabi_ddiv", - "__aeabi_dadd", - "__aeabi_dsub", - "lj_ccallback_enter", - "lj_ccallback_leave", - "__aeabi_cdcmpeq", - "lj_meta_cat", - "lj_gc_barrieruv", - "lj_func_closeuv", - "lj_func_newL_gc", - "lj_tab_new", - "lj_tab_dup", - "lj_gc_step_fixtop", - "lj_tab_newkey", - "lj_tab_reasize", - (const char *)0 -}; -#define Dt1(_V) (int)(ptrdiff_t)&(((lua_State *)0)_V) -#define Dt2(_V) (int)(ptrdiff_t)&(((global_State *)0)_V) -#define Dt3(_V) (int)(ptrdiff_t)&(((TValue *)0)_V) -#define Dt4(_V) (int)(ptrdiff_t)&(((GCobj *)0)_V) -#define Dt5(_V) (int)(ptrdiff_t)&(((GCstr *)0)_V) -#define Dt6(_V) (int)(ptrdiff_t)&(((GCtab *)0)_V) -#define Dt7(_V) (int)(ptrdiff_t)&(((GCfuncL *)0)_V) -#define Dt8(_V) (int)(ptrdiff_t)&(((GCfuncC *)0)_V) -#define Dt9(_V) (int)(ptrdiff_t)&(((GCproto *)0)_V) -#define DtA(_V) (int)(ptrdiff_t)&(((GCupval *)0)_V) -#define DtB(_V) (int)(ptrdiff_t)&(((Node *)0)_V) -#define DtC(_V) (int)(ptrdiff_t)&(((int *)0)_V) -#define DtD(_V) (int)(ptrdiff_t)&(((GCtrace *)0)_V) -#define field_pc pc -#define DISPATCH_GL(field) (GG_DISP2G + (int)offsetof(global_State, field)) -#define DISPATCH_J(field) (GG_DISP2J + (int)offsetof(jit_State, field)) -#define PC2PROTO(field) ((int)offsetof(GCproto, field)-(int)sizeof(GCproto)) - -#if !LJ_DUALNUM -#error "Only dual-number mode supported for ARM target" -#endif - -/* Generate subroutines used by opcodes and other parts of the VM. */ -/* The .code_sub section should be last to help static branch prediction. */ -static void build_subroutines(BuildCtx *ctx) -{ - dasm_put(Dst, 0); - dasm_put(Dst, 1, FRAME_P, ~LJ_TTRUE, FRAME_TYPE, FRAME_TYPEP, FRAME_C, Dt1(->base), LJ_VMST_C, DISPATCH_GL(vmstate), Dt1(->top)); - dasm_put(Dst, 54, Dt1(->cframe), Dt1(->maxstack), ~LJ_TNIL, Dt1(->top), Dt1(->top), LJ_VMST_C, Dt1(->glref), Dt2(->vmstate)); - dasm_put(Dst, 108, ~CFRAME_RAWMASK, Dt1(->base), Dt1(->glref), ~LJ_TFALSE, GG_G2DISP, LJ_VMST_INTERP, DISPATCH_GL(vmstate), LUA_MINSTACK, Dt1(->base), Dt1(->top), Dt1(->base), Dt1(->top), Dt7(->field_pc), Dt1(->glref)); - dasm_put(Dst, 173, GG_G2DISP, FRAME_CP, CFRAME_RESUME, Dt1(->status), Dt1(->cframe), Dt1(->base), Dt1(->top), Dt1(->status), LJ_VMST_INTERP, FRAME_TYPE, DISPATCH_GL(vmstate), FRAME_CP, FRAME_C, Dt1(->cframe), Dt1(->cframe)); - dasm_put(Dst, 238, Dt1(->glref), GG_G2DISP, Dt1(->base), Dt1(->top), LJ_VMST_INTERP, DISPATCH_GL(vmstate), -LJ_TFUNC, Dt7(->field_pc), Dt1(->stack), Dt1(->top), Dt1(->cframe), Dt1(->cframe), Dt1(->glref), FRAME_CP, GG_G2DISP); - dasm_put(Dst, 307); -#if LJ_HASFFI - dasm_put(Dst, 312); -#endif - dasm_put(Dst, 314, Dt7(->field_pc), ~LJ_TNIL); -#if LJ_HASFFI - dasm_put(Dst, 322); -#endif - dasm_put(Dst, 325, PC2PROTO(k)); -#if LJ_HASFFI - dasm_put(Dst, 329); -#endif - dasm_put(Dst, 338, Dt1(->base), -DISPATCH_GL(tmptv), ~LJ_TTAB, ~LJ_TSTR, ~LJ_TISNUM, Dt1(->base)); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 395, Dt1(->base)); - } - dasm_put(Dst, 398, FRAME_CONT, Dt1(->top), -DISPATCH_GL(tmptv), ~LJ_TTAB, ~LJ_TSTR, ~LJ_TISNUM, Dt1(->base)); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 460, Dt1(->base)); - } - dasm_put(Dst, 463, FRAME_CONT, Dt1(->top), Dt1(->base)); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 499, Dt1(->base)); - } - dasm_put(Dst, 502, ~LJ_TTRUE, -LJ_TFALSE, Dt1(->base)); -#if LJ_HASFFI - dasm_put(Dst, 549, Dt1(->base)); -#endif - dasm_put(Dst, 560, Dt1(->base)); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 597, Dt1(->base)); - } - dasm_put(Dst, 600, FRAME_CONT, Dt1(->base)); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 621, Dt1(->base)); - } -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 624); -#else - dasm_put(Dst, 631); -#endif - dasm_put(Dst, 634, Dt1(->base)); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 642); - } - dasm_put(Dst, 644); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 647); - } - dasm_put(Dst, 649, Dt7(->field_pc), Dt1(->base)); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 670, Dt1(->base)); - } - dasm_put(Dst, 673, Dt1(->base)); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 687, Dt1(->base)); - } -#if LJ_HASJIT - dasm_put(Dst, 690); -#endif - dasm_put(Dst, 692); -#if LJ_HASJIT - dasm_put(Dst, 694, BC_JFORI); -#endif - dasm_put(Dst, 697); -#if LJ_HASJIT - dasm_put(Dst, 700, BC_JFORI); -#endif - dasm_put(Dst, 703, BC_FORI, -LJ_TTRUE, -LJ_TISNUM, ~LJ_TISNUM, (int)(offsetof(GCfuncC, upvalue)>>3)-1, -LJ_TTAB, -LJ_TUDATA, Dt6(->metatable)); - dasm_put(Dst, 760, ~LJ_TNIL, DISPATCH_GL(gcroot[GCROOT_MMNAME+MM_metatable]), Dt6(->hmask), Dt5(->hash), Dt6(->node), DtB(->key), DtB(->val), DtB(->next), -LJ_TSTR, ~LJ_TTAB, -LJ_TNIL, -LJ_TISNUM); - dasm_put(Dst, 808, ~LJ_TISNUM, DISPATCH_GL(gcroot[GCROOT_BASEMT]), -LJ_TTAB, Dt6(->metatable), -LJ_TTAB, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), DISPATCH_GL(gc.grayagain), LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), Dt6(->marked), Dt6(->gclist), -LJ_TTAB); - dasm_put(Dst, 860); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 865); - } - dasm_put(Dst, 867); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 870); - } - dasm_put(Dst, 872, -LJ_TISNUM, -LJ_TSTR, DISPATCH_GL(gcroot[GCROOT_BASEMT_NUM]), Dt1(->base), -LJ_TISNUM, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), Dt1(->base), ~LJ_TSTR); - dasm_put(Dst, 924, ~LJ_TNIL, -LJ_TTAB, Dt1(->base), Dt1(->top)); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 947, Dt1(->base)); - } - dasm_put(Dst, 950, ~LJ_TNIL, (2+1)*8, -LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 973, Dt6(->metatable)); -#endif - dasm_put(Dst, 976, Dt8(->upvalue[0])); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 980); -#endif - dasm_put(Dst, 984, ~LJ_TNIL, (3+1)*8, -LJ_TTAB, -LJ_TISNUM, Dt6(->asize), Dt6(->array), (0+1)*8, -LJ_TNIL, (2+1)*8, Dt6(->hmask)); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1034); - } - dasm_put(Dst, 1036); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1039); - } - dasm_put(Dst, 1041, -LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 1057, Dt6(->metatable)); -#endif - dasm_put(Dst, 1060, Dt8(->upvalue[0])); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 1064); -#endif - dasm_put(Dst, 1068, ~LJ_TISNUM, (3+1)*8, DISPATCH_GL(hookmask), HOOK_ACTIVE, 8+FRAME_PCALL, 8+FRAME_PCALLH, DISPATCH_GL(hookmask), -LJ_TFUNC, HOOK_ACTIVE, 16+FRAME_PCALL, 16+FRAME_PCALLH, -LJ_TTHREAD); - dasm_put(Dst, 1127, Dt1(->base), Dt1(->top), Dt1(->status), Dt1(->base), Dt1(->maxstack), Dt1(->cframe), LUA_YIELD, Dt1(->top), Dt1(->top), Dt1(->base), LJ_VMST_INTERP, Dt1(->top), DISPATCH_GL(vmstate), LUA_YIELD); - dasm_put(Dst, 1186, Dt1(->base), Dt1(->maxstack), Dt1(->top), ~LJ_TTRUE, FRAME_TYPE, ~LJ_TFALSE, (2+1)*8, Dt1(->top)); - dasm_put(Dst, 1246, Dt8(->upvalue[0].gcr), Dt1(->base), Dt1(->top), Dt1(->status), Dt1(->base), Dt1(->maxstack), Dt1(->cframe), LUA_YIELD, Dt1(->top), Dt1(->top), Dt1(->base), LJ_VMST_INTERP, Dt1(->top), DISPATCH_GL(vmstate), LUA_YIELD); - dasm_put(Dst, 1302, Dt1(->base), Dt1(->maxstack), Dt1(->top), FRAME_TYPE, Dt1(->cframe), Dt1(->base), CFRAME_RESUME, Dt1(->top)); - dasm_put(Dst, 1361, LUA_YIELD, Dt1(->cframe), Dt1(->status), -LJ_TISNUM, ~LJ_TISNUM, ~LJ_TISNUM); - dasm_put(Dst, 1427, -LJ_TISNUM, ~LJ_TISNUM, ~LJ_TISNUM); - dasm_put(Dst, 1491, -LJ_TISNUM, (1+1)*8, FRAME_TYPE, ~LJ_TNIL); - dasm_put(Dst, 1555, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1560); - } - dasm_put(Dst, 1562); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1565); - } - dasm_put(Dst, 1567, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1579); - } - dasm_put(Dst, 1581); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1584); - } - dasm_put(Dst, 1586, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1598); - } - dasm_put(Dst, 1600); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1603); - } - dasm_put(Dst, 1605, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1617); - } - dasm_put(Dst, 1619); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1622); - } - dasm_put(Dst, 1624, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1636); - } - dasm_put(Dst, 1638); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1641); - } - dasm_put(Dst, 1643, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1655); - } - dasm_put(Dst, 1657); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1660); - } - dasm_put(Dst, 1662, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1674); - } - dasm_put(Dst, 1676); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1679); - } - dasm_put(Dst, 1681, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1693); - } - dasm_put(Dst, 1695); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1698); - } - dasm_put(Dst, 1700, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1712); - } - dasm_put(Dst, 1714); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1717); - } - dasm_put(Dst, 1719, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1731); - } - dasm_put(Dst, 1733); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1736); - } - dasm_put(Dst, 1738, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1750); - } - dasm_put(Dst, 1752); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1755); - } - dasm_put(Dst, 1757, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1769); - } - dasm_put(Dst, 1771); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1774); - } - dasm_put(Dst, 1776, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1788); - } - dasm_put(Dst, 1790); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1793); - } - dasm_put(Dst, 1795, -LJ_TISNUM, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1810); - } - dasm_put(Dst, 1812); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1815); - } - dasm_put(Dst, 1817, -LJ_TISNUM, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1832); - } - dasm_put(Dst, 1834); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1837); - } - dasm_put(Dst, 1839, -LJ_TISNUM, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1854); - } - dasm_put(Dst, 1856); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1859); - } - dasm_put(Dst, 1861, -LJ_TISNUM, Dt8(->upvalue[0]), -LJ_TISNUM, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1894); - } - dasm_put(Dst, 1896); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1899); - } - dasm_put(Dst, 1901, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1914); - } - dasm_put(Dst, 1916); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1919); - } - dasm_put(Dst, 1921, ~LJ_TISNUM, (2+1)*8, -LJ_TISNUM); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1943); - } - dasm_put(Dst, 1945); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 1948); - } - dasm_put(Dst, 1950, (2+1)*8, -LJ_TISNUM, -LJ_TISNUM, -LJ_TISNUM); - dasm_put(Dst, 2001, -LJ_TISNUM, -LJ_TISNUM); - dasm_put(Dst, 2055, -LJ_TISNUM, -LJ_TSTR, Dt5(->len), ~LJ_TISNUM, -LJ_TSTR, Dt5(->len), Dt5([1])); - dasm_put(Dst, 2109, ~LJ_TISNUM, (0+1)*8, (1+1)*8, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), -LJ_TISNUM, Dt1(->base), Dt1(->base), ~LJ_TSTR, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - dasm_put(Dst, 2168, -LJ_TISNUM, -LJ_TSTR, Dt5(->len), -LJ_TISNUM, sizeof(GCstr)-1, -DISPATCH_GL(strempty), ~LJ_TSTR, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), -LJ_TSTR, -LJ_TISNUM, Dt5(->len)); - dasm_put(Dst, 2230, DISPATCH_GL(tmpbuf.sz), DISPATCH_GL(tmpbuf.buf), Dt5([1]), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), -LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz), DISPATCH_GL(tmpbuf.buf), sizeof(GCstr)); - dasm_put(Dst, 2283, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), -LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz), DISPATCH_GL(tmpbuf.buf), sizeof(GCstr), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - dasm_put(Dst, 2343, -LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz), DISPATCH_GL(tmpbuf.buf), sizeof(GCstr), -LJ_TTAB); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 2381); - } - dasm_put(Dst, 2383); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 2386); - } - dasm_put(Dst, 2388, ~LJ_TISNUM, -LJ_TISNUM, ~LJ_TISNUM, -LJ_TISNUM, -LJ_TISNUM); - dasm_put(Dst, 2459, -LJ_TISNUM, -LJ_TISNUM, -LJ_TISNUM, -LJ_TISNUM, ~LJ_TISNUM); - dasm_put(Dst, 2519, -LJ_TISNUM, ~LJ_TISNUM, -LJ_TISNUM, ~LJ_TISNUM, -LJ_TISNUM, -LJ_TISNUM, ~LJ_TISNUM, -LJ_TISNUM); - dasm_put(Dst, 2575, -LJ_TISNUM, ~LJ_TISNUM, -LJ_TISNUM, -LJ_TISNUM, ~LJ_TISNUM, -LJ_TISNUM, -LJ_TISNUM, ~LJ_TISNUM); - dasm_put(Dst, 2632, -LJ_TISNUM, -LJ_TISNUM, ~LJ_TISNUM, Dt1(->maxstack), Dt1(->top), Dt8(->f), Dt1(->base), 8*LUA_MINSTACK, Dt1(->base), Dt1(->top), Dt7(->field_pc), FRAME_TYPE, FRAME_TYPEP); - dasm_put(Dst, 2695, LUA_MINSTACK, Dt1(->base), Dt1(->base), Dt1(->top), Dt1(->base)); -#if LJ_HASJIT - dasm_put(Dst, 2729, DISPATCH_GL(hookmask), HOOK_VMEVENT, DISPATCH_GL(hookcount), HOOK_ACTIVE, LUA_MASKLINE|LUA_MASKCOUNT, DISPATCH_GL(hookcount)); -#endif - dasm_put(Dst, 2749, DISPATCH_GL(hookmask), HOOK_ACTIVE, GG_DISP2STATIC, DISPATCH_GL(hookmask), DISPATCH_GL(hookcount), HOOK_ACTIVE, LUA_MASKLINE|LUA_MASKCOUNT, DISPATCH_GL(hookcount), LUA_MASKLINE, Dt1(->base), Dt1(->base)); - dasm_put(Dst, 2795, GG_DISP2STATIC); -#if LJ_HASJIT - dasm_put(Dst, 2811, -GG_DISP2J, Dt7(->field_pc), DISPATCH_J(L), PC2PROTO(framesize), Dt1(->base), Dt1(->top)); -#endif - dasm_put(Dst, 2832); -#if LJ_HASJIT - dasm_put(Dst, 2835); -#endif - dasm_put(Dst, 2838); -#if LJ_HASJIT - dasm_put(Dst, 2840); -#endif - dasm_put(Dst, 2843, Dt1(->base), Dt1(->top), Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 2866, LJ_VMST_EXIT, DISPATCH_GL(vmstate), DISPATCH_GL(jit_L), DISPATCH_GL(jit_base), DISPATCH_J(exitno), DISPATCH_J(L), Dt1(->base), DISPATCH_GL(jit_L), -GG_DISP2J, Dt1(->cframe), Dt1(->base), ~CFRAME_RAWMASK); -#endif - dasm_put(Dst, 2914); -#if LJ_HASJIT - dasm_put(Dst, 2916, Dt7(->field_pc), DISPATCH_GL(jit_L), LJ_VMST_INTERP, PC2PROTO(k), DISPATCH_GL(vmstate), BC_FUNCF); -#endif - dasm_put(Dst, 2953); -#if LJ_HASJIT - dasm_put(Dst, 3027); -#endif - dasm_put(Dst, 3041); - { - int i; - for (i = 31; i >= 0; i--) { - dasm_put(Dst, 3077, i, i); - } - } - dasm_put(Dst, 3082); -#if LJ_HASJIT - dasm_put(Dst, 3111); -#else - dasm_put(Dst, 3136); -#endif - dasm_put(Dst, 3138); -#if LJ_HASFFI -#define DtE(_V) (int)(ptrdiff_t)&(((CTState *)0)_V) - dasm_put(Dst, 3140, Dt2(->ctype_state), GG_G2DISP, DtE(->cb.gpr[0]), DtE(->cb.gpr[2]), CFRAME_SIZE, DtE(->cb.stack), DtE(->cb.slot), Dt1(->base), LJ_VMST_INTERP, Dt1(->top), DISPATCH_GL(vmstate), Dt7(->field_pc)); -#endif - dasm_put(Dst, 3183); -#if LJ_HASFFI - dasm_put(Dst, 3185, DISPATCH_GL(ctype_state), Dt1(->base), Dt1(->top), DtE(->L), DtE(->cb.gpr[0])); -#endif - dasm_put(Dst, 3202); -#if LJ_HASFFI -#define DtF(_V) (int)(ptrdiff_t)&(((CCallState *)0)_V) - dasm_put(Dst, 3204, DtF(->spadj), DtF(->nsp), offsetof(CCallState, stack), DtF(->func), DtF(->gpr[0]), DtF(->gpr[1]), DtF(->gpr[2]), DtF(->gpr[3]), DtF(->gpr[0]), DtF(->gpr[1])); -#endif -} - -/* Generate the code for a single instruction. */ -static void build_ins(BuildCtx *ctx, BCOp op, int defop) -{ - int vk = 0; - dasm_put(Dst, 3242, defop); - - switch (op) { - - /* -- Comparison ops ---------------------------------------------------- */ - - /* Remember: all ops branch for a true comparison, fall through otherwise. */ - - case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: - dasm_put(Dst, 3244, -LJ_TISNUM, -LJ_TISNUM); - if (op == BC_ISLT) { - dasm_put(Dst, 3260); - } else if (op == BC_ISGE) { - dasm_put(Dst, 3262); - } else if (op == BC_ISLE) { - dasm_put(Dst, 3264); - } else { - dasm_put(Dst, 3266); - } - dasm_put(Dst, 3268, -LJ_TISNUM); - if (op == BC_ISLT) { - dasm_put(Dst, 3304); - } else if (op == BC_ISGE) { - dasm_put(Dst, 3306); - } else if (op == BC_ISLE) { - dasm_put(Dst, 3308); - } else { - dasm_put(Dst, 3310); - } - dasm_put(Dst, 3312); - break; - - case BC_ISEQV: case BC_ISNEV: - vk = op == BC_ISEQV; - dasm_put(Dst, 3315, -LJ_TISNUM, -LJ_TISNUM); - if (vk) { - dasm_put(Dst, 3326); - } else { - dasm_put(Dst, 3329); - } - if (LJ_HASFFI) { - dasm_put(Dst, 3332, -LJ_TCDATA, -LJ_TCDATA); - } - dasm_put(Dst, 3339, -LJ_TISPRI); - if (vk) { - dasm_put(Dst, 3348, -LJ_TISTABUD); - } else { - dasm_put(Dst, 3365, -LJ_TISTABUD); - } - dasm_put(Dst, 3372, Dt6(->metatable)); - if (vk) { - dasm_put(Dst, 3376); - } else { - dasm_put(Dst, 3379); - } - dasm_put(Dst, 3382, Dt6(->nomm), 1-vk, 1<len), ~LJ_TISNUM, -LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 3640, Dt6(->metatable)); -#endif - dasm_put(Dst, 3647); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 3649); - } - dasm_put(Dst, 3651); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 3654); - } - dasm_put(Dst, 3656); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 3659, Dt6(->nomm), 1<base), Dt1(->base)); - break; - - /* -- Constant ops ------------------------------------------------------ */ - - case BC_KSTR: - dasm_put(Dst, 4189, ~LJ_TSTR); - break; - case BC_KCDATA: -#if LJ_HASFFI - dasm_put(Dst, 4201, ~LJ_TCDATA); -#endif - break; - case BC_KSHORT: - dasm_put(Dst, 4213, ~LJ_TISNUM); - break; - case BC_KNUM: - dasm_put(Dst, 4224); - break; - case BC_KPRI: - dasm_put(Dst, 4234); - break; - case BC_KNIL: - dasm_put(Dst, 4244, ~LJ_TNIL); - break; - - /* -- Upvalue and function ops ------------------------------------------ */ - - case BC_UGET: - dasm_put(Dst, 4263, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_USETV: - dasm_put(Dst, 4279, offsetof(GCfuncL, uvptr), DtA(->marked), DtA(->closed), DtA(->v), LJ_GC_BLACK, -LJ_TISGCV, -(LJ_TISNUM - LJ_TISGCV), Dt4(->gch.marked), -GG_DISP2G, LJ_GC_WHITES); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 4319); - } else { - dasm_put(Dst, 4326); - } - dasm_put(Dst, 4329); - break; - case BC_USETS: - dasm_put(Dst, 4332, offsetof(GCfuncL, uvptr), ~LJ_TSTR, DtA(->marked), DtA(->v), DtA(->closed), LJ_GC_BLACK, Dt5(->marked), LJ_GC_WHITES, -GG_DISP2G); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 4368); - } else { - dasm_put(Dst, 4375); - } - dasm_put(Dst, 4378); - break; - case BC_USETN: - dasm_put(Dst, 4381, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_USETP: - dasm_put(Dst, 4398, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - - case BC_UCLO: - dasm_put(Dst, 4414, Dt1(->openupval), Dt1(->base), Dt1(->base)); - break; - - case BC_FNEW: - dasm_put(Dst, 4437, Dt1(->base), Dt1(->base), ~LJ_TFUNC); - break; - - /* -- Table ops --------------------------------------------------------- */ - - case BC_TNEW: - case BC_TDUP: - if (op == BC_TDUP) { - dasm_put(Dst, 4458); - } - dasm_put(Dst, 4460, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), Dt1(->base)); - if (op == BC_TNEW) { - dasm_put(Dst, 4473); - } else { - dasm_put(Dst, 4482); - } - dasm_put(Dst, 4486, Dt1(->base), ~LJ_TTAB); - break; - - case BC_GGET: - case BC_GSET: - dasm_put(Dst, 4504, Dt7(->env)); - if (op == BC_GGET) { - dasm_put(Dst, 4510); - } else { - dasm_put(Dst, 4513); - } - break; - - case BC_TGETV: - dasm_put(Dst, 4516, -LJ_TTAB, -LJ_TISNUM, Dt6(->array), Dt6(->asize), -LJ_TNIL, Dt6(->metatable), Dt6(->nomm), 1<hmask), Dt5(->hash), Dt6(->node), DtB(->key), DtB(->val), DtB(->next), -LJ_TSTR, -LJ_TNIL, Dt6(->metatable), ~LJ_TNIL, Dt6(->nomm)); - dasm_put(Dst, 4633, 1<asize), Dt6(->array), -LJ_TNIL, Dt6(->metatable), Dt6(->nomm), 1<array), Dt6(->asize), -LJ_TNIL, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), Dt6(->nomm), 1<marked), Dt6(->gclist), -LJ_TSTR); - break; - case BC_TSETS: - dasm_put(Dst, 4764, -LJ_TTAB, Dt6(->hmask), Dt5(->hash), Dt6(->node), Dt6(->nomm), DtB(->key), DtB(->val.it), DtB(->next), -LJ_TSTR, Dt6(->marked), -LJ_TNIL, LJ_GC_BLACK, DtB(->val)); - dasm_put(Dst, 4822, Dt6(->metatable), Dt6(->nomm), 1<metatable), Dt1(->base), Dt6(->nomm), 1<base), DISPATCH_GL(gc.grayagain), LJ_GC_BLACK); - dasm_put(Dst, 4875, DISPATCH_GL(gc.grayagain), Dt6(->marked), Dt6(->gclist)); - break; - case BC_TSETB: - dasm_put(Dst, 4884, -LJ_TTAB, Dt6(->asize), Dt6(->array), -LJ_TNIL, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), Dt6(->nomm), 1<marked), Dt6(->gclist)); - break; - - case BC_TSETM: - dasm_put(Dst, 4951, Dt6(->asize), Dt6(->array), Dt6(->marked), LJ_GC_BLACK, Dt1(->base)); - if (LJ_TARGET_OSX) { - dasm_put(Dst, 4996, Dt1(->base)); - } - dasm_put(Dst, 4999, DISPATCH_GL(gc.grayagain), LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), Dt6(->marked), Dt6(->gclist)); - break; - - /* -- Calls and vararg handling ----------------------------------------- */ - - case BC_CALLM: - dasm_put(Dst, 5015); - break; - case BC_CALL: - dasm_put(Dst, 5021, -LJ_TFUNC, Dt7(->field_pc)); - break; - - case BC_CALLMT: - dasm_put(Dst, 5041); - break; - case BC_CALLT: - dasm_put(Dst, 5046, -LJ_TFUNC, Dt7(->ffid), FRAME_TYPE, Dt7(->field_pc), Dt7(->field_pc), PC2PROTO(k), FRAME_VARG, FRAME_TYPEP); - dasm_put(Dst, 5107, FRAME_TYPE); - break; - - case BC_ITERC: - dasm_put(Dst, 5118, -LJ_TFUNC, Dt7(->field_pc)); - break; - - case BC_ITERN: -#if LJ_HASJIT -#endif - dasm_put(Dst, 5142, Dt6(->asize), Dt6(->array), -LJ_TNIL, ~LJ_TISNUM, Dt6(->hmask), Dt6(->node), DtB(->val), -LJ_TNIL, DtB(->key)); - break; - - case BC_ISNEXT: - dasm_put(Dst, 5207, -LJ_TFUNC, Dt8(->ffid), -LJ_TTAB, -LJ_TNIL, FF_next_N, BC_JMP, BC_ITERC); - break; - - case BC_VARG: - dasm_put(Dst, 5246, FRAME_VARG, ~LJ_TNIL, Dt1(->maxstack), Dt1(->top), Dt1(->base), Dt1(->base)); - break; - - /* -- Returns ----------------------------------------------------------- */ - - case BC_RETM: - dasm_put(Dst, 5318); - break; - - case BC_RET: - dasm_put(Dst, 5325, FRAME_TYPE, FRAME_VARG, Dt7(->field_pc), PC2PROTO(k), ~LJ_TNIL, FRAME_TYPEP); - break; - - case BC_RET0: case BC_RET1: - dasm_put(Dst, 5390, FRAME_TYPE, FRAME_VARG); - if (op == BC_RET1) { - dasm_put(Dst, 5401); - } - dasm_put(Dst, 5403); - if (op == BC_RET1) { - dasm_put(Dst, 5406); - } - dasm_put(Dst, 5408, Dt7(->field_pc), PC2PROTO(k), ~LJ_TNIL); - break; - - /* -- Loops and branches ------------------------------------------------ */ - - - case BC_FORL: -#if LJ_HASJIT - dasm_put(Dst, 5434, -GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_JFORI: - case BC_JFORL: -#if !LJ_HASJIT - break; -#endif - case BC_FORI: - case BC_IFORL: - vk = (op == BC_IFORL || op == BC_JFORL); - dasm_put(Dst, 5445); - if (op != BC_JFORL) { - dasm_put(Dst, 5447); - } - if (!vk) { - dasm_put(Dst, 5449, -LJ_TISNUM, -LJ_TISNUM, -LJ_TISNUM); - } else { - dasm_put(Dst, 5467, -LJ_TISNUM); - if (op == BC_IFORL) { - dasm_put(Dst, 5475); - } else { - dasm_put(Dst, 5477); - } - dasm_put(Dst, 5480); - } - dasm_put(Dst, 5485); - if (op == BC_FORI) { - dasm_put(Dst, 5487); - } else if (op == BC_JFORI) { - dasm_put(Dst, 5489); - } else if (op == BC_IFORL) { - dasm_put(Dst, 5492); - } - if (vk) { - dasm_put(Dst, 5494); - } - dasm_put(Dst, 5496); - if (op == BC_JFORI || op == BC_JFORL) { - dasm_put(Dst, 5501, BC_JLOOP); - } - dasm_put(Dst, 5504); - if (!vk) { - dasm_put(Dst, 5511); - } else { - dasm_put(Dst, 5513); - } - dasm_put(Dst, 5515); - if (!vk) { - dasm_put(Dst, 5519, -LJ_TISNUM, -LJ_TISNUM); - } else { - dasm_put(Dst, 5531); - } - dasm_put(Dst, 5540); - if (op == BC_FORI) { - dasm_put(Dst, 5544); - } else if (op == BC_JFORI) { - dasm_put(Dst, 5546, BC_JLOOP); - } else if (op == BC_IFORL) { - dasm_put(Dst, 5551); - } else { - dasm_put(Dst, 5553, BC_JLOOP); - } - dasm_put(Dst, 5556); - if (vk) { - dasm_put(Dst, 5562); - } - dasm_put(Dst, 5567); - break; - - case BC_ITERL: -#if LJ_HASJIT - dasm_put(Dst, 5573, -GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_JITERL: -#if !LJ_HASJIT - break; -#endif - case BC_IITERL: - dasm_put(Dst, 5584); - if (op == BC_JITERL) { - dasm_put(Dst, 5586, -LJ_TNIL, BC_JLOOP); - } else { - dasm_put(Dst, 5592, -LJ_TNIL); - } - dasm_put(Dst, 5598); - break; - - case BC_LOOP: -#if LJ_HASJIT - dasm_put(Dst, 5605, -GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_ILOOP: - dasm_put(Dst, 5616); - break; - - case BC_JLOOP: -#if LJ_HASJIT - dasm_put(Dst, 5623, DISPATCH_J(trace), DISPATCH_GL(vmstate), DtD(->mcode), DISPATCH_GL(jit_base), DISPATCH_GL(jit_L)); -#endif - break; - - case BC_JMP: - dasm_put(Dst, 5637); - break; - - /* -- Function headers -------------------------------------------------- */ - - case BC_FUNCF: -#if LJ_HASJIT - dasm_put(Dst, 5646, -GG_DISP2HOT, HOTCOUNT_CALL); -#endif - case BC_FUNCV: /* NYI: compiled vararg functions. */ - break; - - case BC_JFUNCF: -#if !LJ_HASJIT - break; -#endif - case BC_IFUNCF: - dasm_put(Dst, 5657, Dt1(->maxstack), -4+PC2PROTO(numparams), -4+PC2PROTO(k)); - if (op != BC_JFUNCF) { - dasm_put(Dst, 5667); - } - dasm_put(Dst, 5670, ~LJ_TNIL); - if (op == BC_JFUNCF) { - dasm_put(Dst, 5677, BC_JLOOP); - } else { - dasm_put(Dst, 5681); - } - dasm_put(Dst, 5686); - break; - - case BC_JFUNCV: -#if !LJ_HASJIT - break; -#endif - dasm_put(Dst, 5692); - break; /* NYI: compiled vararg functions. */ - - case BC_IFUNCV: - dasm_put(Dst, 5694, Dt1(->maxstack), 8+FRAME_VARG, -4+PC2PROTO(k), -4+PC2PROTO(numparams), ~LJ_TNIL); - break; - - case BC_FUNCC: - case BC_FUNCCW: - if (op == BC_FUNCC) { - dasm_put(Dst, 5735, Dt8(->f)); - } else { - dasm_put(Dst, 5738, DISPATCH_GL(wrapf)); - } - dasm_put(Dst, 5741, Dt1(->maxstack), Dt1(->base), Dt1(->top)); - if (op == BC_FUNCCW) { - dasm_put(Dst, 5751, Dt8(->f)); - } - dasm_put(Dst, 5754, LJ_VMST_C, DISPATCH_GL(vmstate), Dt1(->base), LJ_VMST_INTERP, Dt1(->top), DISPATCH_GL(vmstate)); - break; - - /* ---------------------------------------------------------------------- */ - - default: - fprintf(stderr, "Error: undefined opcode BC_%s\n", bc_names[op]); - exit(2); - break; - } -} - -static int build_backend(BuildCtx *ctx) -{ - int op; - - dasm_growpc(Dst, BC__MAX); - - build_subroutines(ctx); - - dasm_put(Dst, 5776); - for (op = 0; op < BC__MAX; op++) - build_ins(ctx, (BCOp)op, op); - - return BC__MAX; -} - -/* Emit pseudo frame-info for all assembler functions. */ -static void emit_asm_debug(BuildCtx *ctx) -{ - int fcofs = (int)((uint8_t *)ctx->glob[GLOB_vm_ffi_call] - ctx->code); - int i; - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, "\t.section .debug_frame,\"\",%%progbits\n"); - fprintf(ctx->fp, - ".Lframe0:\n" - "\t.long .LECIE0-.LSCIE0\n" - ".LSCIE0:\n" - "\t.long 0xffffffff\n" - "\t.byte 0x1\n" - "\t.string \"\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 0xe\n" /* Return address is in lr. */ - "\t.byte 0xc\n\t.uleb128 0xd\n\t.uleb128 0\n" /* def_cfa sp */ - "\t.align 2\n" - ".LECIE0:\n\n"); - fprintf(ctx->fp, - ".LSFDE0:\n" - "\t.long .LEFDE0-.LASFDE0\n" - ".LASFDE0:\n" - "\t.long .Lframe0\n" - "\t.long .Lbegin\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ - "\t.byte 0x8e\n\t.uleb128 1\n", /* offset lr */ - fcofs, CFRAME_SIZE); - for (i = 11; i >= 4; i--) /* offset r4-r11 */ - fprintf(ctx->fp, "\t.byte %d\n\t.uleb128 %d\n", 0x80+i, 2+(11-i)); - fprintf(ctx->fp, - "\t.align 2\n" - ".LEFDE0:\n\n"); -#if LJ_HASFFI - fprintf(ctx->fp, - ".LSFDE1:\n" - "\t.long .LEFDE1-.LASFDE1\n" - ".LASFDE1:\n" - "\t.long .Lframe0\n" - "\t.long lj_vm_ffi_call\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 16\n" /* def_cfa_offset */ - "\t.byte 0x8e\n\t.uleb128 1\n" /* offset lr */ - "\t.byte 0x8b\n\t.uleb128 2\n" /* offset r11 */ - "\t.byte 0x85\n\t.uleb128 3\n" /* offset r5 */ - "\t.byte 0x84\n\t.uleb128 4\n" /* offset r4 */ - "\t.byte 0xd\n\t.uleb128 0xb\n" /* def_cfa_register r11 */ - "\t.align 2\n" - ".LEFDE1:\n\n", (int)ctx->codesz - fcofs); -#endif - break; - default: - break; - } -} - diff --git a/libraries/luajit-2.0/src/buildvm_asm.c b/libraries/luajit-2.0/src/buildvm_asm.c deleted file mode 100644 index 236dd17..0000000 --- a/libraries/luajit-2.0/src/buildvm_asm.c +++ /dev/null @@ -1,277 +0,0 @@ -/* -** LuaJIT VM builder: Assembler source code emitter. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include "buildvm.h" -#include "lj_bc.h" - -/* ------------------------------------------------------------------------ */ - -#if LJ_TARGET_X86ORX64 -/* Emit bytes piecewise as assembler text. */ -static void emit_asm_bytes(BuildCtx *ctx, uint8_t *p, int n) -{ - int i; - for (i = 0; i < n; i++) { - if ((i & 15) == 0) - fprintf(ctx->fp, "\t.byte %d", p[i]); - else - fprintf(ctx->fp, ",%d", p[i]); - if ((i & 15) == 15) putc('\n', ctx->fp); - } - if ((n & 15) != 0) putc('\n', ctx->fp); -} - -/* Emit relocation */ -static void emit_asm_reloc(BuildCtx *ctx, int type, const char *sym) -{ - switch (ctx->mode) { - case BUILD_elfasm: - if (type) - fprintf(ctx->fp, "\t.long %s-.-4\n", sym); - else - fprintf(ctx->fp, "\t.long %s\n", sym); - break; - case BUILD_coffasm: - fprintf(ctx->fp, "\t.def %s; .scl 3; .type 32; .endef\n", sym); - if (type) - fprintf(ctx->fp, "\t.long %s-.-4\n", sym); - else - fprintf(ctx->fp, "\t.long %s\n", sym); - break; - default: /* BUILD_machasm for relative relocations handled below. */ - fprintf(ctx->fp, "\t.long %s\n", sym); - break; - } -} - -static const char *const jccnames[] = { - "jo", "jno", "jb", "jnb", "jz", "jnz", "jbe", "ja", - "js", "jns", "jpe", "jpo", "jl", "jge", "jle", "jg" -}; - -/* Emit relocation for the incredibly stupid OSX assembler. */ -static void emit_asm_reloc_mach(BuildCtx *ctx, uint8_t *cp, int n, - const char *sym) -{ - const char *opname = NULL; - if (--n < 0) goto err; - if (cp[n] == 0xe8) { - opname = "call"; - } else if (cp[n] == 0xe9) { - opname = "jmp"; - } else if (cp[n] >= 0x80 && cp[n] <= 0x8f && n > 0 && cp[n-1] == 0x0f) { - opname = jccnames[cp[n]-0x80]; - n--; - } else { -err: - fprintf(stderr, "Error: unsupported opcode for %s symbol relocation.\n", - sym); - exit(1); - } - emit_asm_bytes(ctx, cp, n); - fprintf(ctx->fp, "\t%s %s\n", opname, sym); -} -#else -/* Emit words piecewise as assembler text. */ -static void emit_asm_words(BuildCtx *ctx, uint8_t *p, int n) -{ - int i; - for (i = 0; i < n; i += 4) { - if ((i & 15) == 0) - fprintf(ctx->fp, "\t.long 0x%08x", *(uint32_t *)(p+i)); - else - fprintf(ctx->fp, ",0x%08x", *(uint32_t *)(p+i)); - if ((i & 15) == 12) putc('\n', ctx->fp); - } - if ((n & 15) != 0) putc('\n', ctx->fp); -} - -/* Emit relocation as part of an instruction. */ -static void emit_asm_wordreloc(BuildCtx *ctx, uint8_t *p, int n, - const char *sym) -{ - uint32_t ins; - emit_asm_words(ctx, p, n-4); - ins = *(uint32_t *)(p+n-4); -#if LJ_TARGET_ARM - if ((ins & 0xff000000u) == 0xfa000000u) { - fprintf(ctx->fp, "\tblx %s\n", sym); - } else if ((ins & 0x0e000000u) == 0x0a000000u) { - fprintf(ctx->fp, "\t%s%.2s %s\n", (ins & 0x01000000u) ? "bl" : "b", - "eqnecsccmiplvsvchilsgeltgtle" + 2*(ins >> 28), sym); - } else { - fprintf(stderr, - "Error: unsupported opcode %08x for %s symbol relocation.\n", - ins, sym); - exit(1); - } -#elif LJ_TARGET_PPC || LJ_TARGET_PPCSPE - if ((ins >> 26) == 16) { - fprintf(ctx->fp, "\t%s %d, %d, %s\n", - (ins & 1) ? "bcl" : "bc", (ins >> 21) & 31, (ins >> 16) & 31, sym); - } else if ((ins >> 26) == 18) { - fprintf(ctx->fp, "\t%s %s\n", (ins & 1) ? "bl" : "b", sym); - } else { - fprintf(stderr, - "Error: unsupported opcode %08x for %s symbol relocation.\n", - ins, sym); - exit(1); - } -#elif LJ_TARGET_MIPS - UNUSED(sym); /* NYI */ -#else -#error "missing relocation support for this architecture" -#endif -} -#endif - -#if LJ_TARGET_ARM -#define ELFASM_PX "%%" -#else -#define ELFASM_PX "@" -#endif - -/* Emit an assembler label. */ -static void emit_asm_label(BuildCtx *ctx, const char *name, int size, int isfunc) -{ - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, - "\n\t.globl %s\n" - "\t.hidden %s\n" - "\t.type %s, " ELFASM_PX "%s\n" - "\t.size %s, %d\n" - "%s:\n", - name, name, name, isfunc ? "function" : "object", name, size, name); - break; - case BUILD_coffasm: - fprintf(ctx->fp, "\n\t.globl %s\n", name); - if (isfunc) - fprintf(ctx->fp, "\t.def %s; .scl 3; .type 32; .endef\n", name); - fprintf(ctx->fp, "%s:\n", name); - break; - case BUILD_machasm: - fprintf(ctx->fp, - "\n\t.private_extern %s\n" - "%s:\n", name, name); - break; - default: - break; - } -} - -/* Emit alignment. */ -static void emit_asm_align(BuildCtx *ctx, int bits) -{ - switch (ctx->mode) { - case BUILD_elfasm: - case BUILD_coffasm: - fprintf(ctx->fp, "\t.p2align %d\n", bits); - break; - case BUILD_machasm: - fprintf(ctx->fp, "\t.align %d\n", bits); - break; - default: - break; - } -} - -/* ------------------------------------------------------------------------ */ - -/* Emit assembler source code. */ -void emit_asm(BuildCtx *ctx) -{ - int i, rel; - - fprintf(ctx->fp, "\t.file \"buildvm_%s.dasc\"\n", ctx->dasm_arch); - fprintf(ctx->fp, "\t.text\n"); - emit_asm_align(ctx, 4); - - emit_asm_label(ctx, ctx->beginsym, 0, 0); - if (ctx->mode != BUILD_machasm) - fprintf(ctx->fp, ".Lbegin:\n"); - -#if LJ_TARGET_ARM && defined(__GNUC__) && !defined(LUAJIT_NO_UNWIND) - /* This should really be moved into buildvm_arm.dasc. */ - fprintf(ctx->fp, - ".fnstart\n" - ".save {r4, r5, r6, r7, r8, r9, r10, r11, lr}\n" - ".pad #28\n"); -#endif - - for (i = rel = 0; i < ctx->nsym; i++) { - int32_t ofs = ctx->sym[i].ofs; - int32_t next = ctx->sym[i+1].ofs; -#if LJ_TARGET_ARM && defined(__GNUC__) && !defined(LUAJIT_NO_UNWIND) && \ - LJ_HASFFI - if (!strcmp(ctx->sym[i].name, "lj_vm_ffi_call")) - fprintf(ctx->fp, - ".globl lj_err_unwind_arm\n" - ".personality lj_err_unwind_arm\n" - ".fnend\n" - ".fnstart\n" - ".save {r4, r5, r11, lr}\n" - ".setfp r11, sp\n"); -#endif - emit_asm_label(ctx, ctx->sym[i].name, next - ofs, 1); - while (rel < ctx->nreloc && ctx->reloc[rel].ofs <= next) { - BuildReloc *r = &ctx->reloc[rel]; - int n = r->ofs - ofs; -#if LJ_TARGET_X86ORX64 - if (ctx->mode == BUILD_machasm && r->type != 0) { - emit_asm_reloc_mach(ctx, ctx->code+ofs, n, ctx->relocsym[r->sym]); - } else { - emit_asm_bytes(ctx, ctx->code+ofs, n); - emit_asm_reloc(ctx, r->type, ctx->relocsym[r->sym]); - } - ofs += n+4; -#else - emit_asm_wordreloc(ctx, ctx->code+ofs, n, ctx->relocsym[r->sym]); - ofs += n; -#endif - rel++; - } -#if LJ_TARGET_X86ORX64 - emit_asm_bytes(ctx, ctx->code+ofs, next-ofs); -#else - emit_asm_words(ctx, ctx->code+ofs, next-ofs); -#endif - } - -#if LJ_TARGET_ARM && defined(__GNUC__) && !defined(LUAJIT_NO_UNWIND) - fprintf(ctx->fp, -#if !LJ_HASFFI - ".globl lj_err_unwind_arm\n" - ".personality lj_err_unwind_arm\n" -#endif - ".fnend\n"); -#endif - - fprintf(ctx->fp, "\n"); - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, "\t.section .note.GNU-stack,\"\"," ELFASM_PX "progbits\n"); -#if LJ_TARGET_PPCSPE - /* Soft-float ABI + SPE. */ - fprintf(ctx->fp, "\t.gnu_attribute 4, 2\n\t.gnu_attribute 8, 3\n"); -#elif LJ_TARGET_PPC - /* Hard-float ABI. */ - fprintf(ctx->fp, "\t.gnu_attribute 4, 1\n"); -#endif - /* fallthrough */ - case BUILD_coffasm: - fprintf(ctx->fp, "\t.ident \"%s\"\n", ctx->dasm_ident); - break; - case BUILD_machasm: - fprintf(ctx->fp, - "\t.cstring\n" - "\t.ascii \"%s\\0\"\n", ctx->dasm_ident); - break; - default: - break; - } - fprintf(ctx->fp, "\n"); -} - diff --git a/libraries/luajit-2.0/src/buildvm_fold.c b/libraries/luajit-2.0/src/buildvm_fold.c deleted file mode 100644 index b43d2c4..0000000 --- a/libraries/luajit-2.0/src/buildvm_fold.c +++ /dev/null @@ -1,229 +0,0 @@ -/* -** LuaJIT VM builder: IR folding hash table generator. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include "buildvm.h" -#include "lj_obj.h" -#include "lj_ir.h" - -/* Context for the folding hash table generator. */ -static int lineno; -static int funcidx; -static uint32_t foldkeys[BUILD_MAX_FOLD]; -static uint32_t nkeys; - -/* Try to fill the hash table with keys using the hash parameters. */ -static int tryhash(uint32_t *htab, uint32_t sz, uint32_t r, int dorol) -{ - uint32_t i; - if (dorol && ((r & 31) == 0 || (r>>5) == 0)) - return 0; /* Avoid zero rotates. */ - memset(htab, 0xff, (sz+1)*sizeof(uint32_t)); - for (i = 0; i < nkeys; i++) { - uint32_t key = foldkeys[i]; - uint32_t k = key & 0xffffff; - uint32_t h = (dorol ? lj_rol(lj_rol(k, r>>5) - k, r&31) : - (((k << (r>>5)) - k) << (r&31))) % sz; - if (htab[h] != 0xffffffff) { /* Collision on primary slot. */ - if (htab[h+1] != 0xffffffff) { /* Collision on secondary slot. */ - /* Try to move the colliding key, if possible. */ - if (h < sz-1 && htab[h+2] == 0xffffffff) { - uint32_t k2 = htab[h+1] & 0xffffff; - uint32_t h2 = (dorol ? lj_rol(lj_rol(k2, r>>5) - k2, r&31) : - (((k2 << (r>>5)) - k2) << (r&31))) % sz; - if (h2 != h+1) return 0; /* Cannot resolve collision. */ - htab[h+2] = htab[h+1]; /* Move colliding key to secondary slot. */ - } else { - return 0; /* Collision. */ - } - } - htab[h+1] = key; - } else { - htab[h] = key; - } - } - return 1; /* Success, all keys could be stored. */ -} - -/* Print the generated hash table. */ -static void printhash(BuildCtx *ctx, uint32_t *htab, uint32_t sz) -{ - uint32_t i; - fprintf(ctx->fp, "static const uint32_t fold_hash[%d] = {\n0x%08x", - sz+1, htab[0]); - for (i = 1; i < sz+1; i++) - fprintf(ctx->fp, ",\n0x%08x", htab[i]); - fprintf(ctx->fp, "\n};\n\n"); -} - -/* Exhaustive search for the shortest semi-perfect hash table. */ -static void makehash(BuildCtx *ctx) -{ - uint32_t htab[BUILD_MAX_FOLD*2+1]; - uint32_t sz, r; - /* Search for the smallest hash table with an odd size. */ - for (sz = (nkeys|1); sz < BUILD_MAX_FOLD*2; sz += 2) { - /* First try all shift hash combinations. */ - for (r = 0; r < 32*32; r++) { - if (tryhash(htab, sz, r, 0)) { - printhash(ctx, htab, sz); - fprintf(ctx->fp, - "#define fold_hashkey(k)\t(((((k)<<%u)-(k))<<%u)%%%u)\n\n", - r>>5, r&31, sz); - return; - } - } - /* Then try all rotate hash combinations. */ - for (r = 0; r < 32*32; r++) { - if (tryhash(htab, sz, r, 1)) { - printhash(ctx, htab, sz); - fprintf(ctx->fp, - "#define fold_hashkey(k)\t(lj_rol(lj_rol((k),%u)-(k),%u)%%%u)\n\n", - r>>5, r&31, sz); - return; - } - } - } - fprintf(stderr, "Error: search for perfect hash failed\n"); - exit(1); -} - -/* Parse one token of a fold rule. */ -static uint32_t nexttoken(char **pp, int allowlit, int allowany) -{ - char *p = *pp; - if (p) { - uint32_t i; - char *q = strchr(p, ' '); - if (q) *q++ = '\0'; - *pp = q; - if (allowlit && !strncmp(p, "IRFPM_", 6)) { - for (i = 0; irfpm_names[i]; i++) - if (!strcmp(irfpm_names[i], p+6)) - return i; - } else if (allowlit && !strncmp(p, "IRFL_", 5)) { - for (i = 0; irfield_names[i]; i++) - if (!strcmp(irfield_names[i], p+5)) - return i; - } else if (allowlit && !strncmp(p, "IRCALL_", 7)) { - for (i = 0; ircall_names[i]; i++) - if (!strcmp(ircall_names[i], p+7)) - return i; - } else if (allowlit && !strncmp(p, "IRCONV_", 7)) { - for (i = 0; irt_names[i]; i++) { - const char *r = strchr(p+7, '_'); - if (r && !strncmp(irt_names[i], p+7, r-(p+7))) { - uint32_t j; - for (j = 0; irt_names[j]; j++) - if (!strcmp(irt_names[j], r+1)) - return (i << 5) + j; - } - } - } else if (allowlit && *p >= '0' && *p <= '9') { - for (i = 0; *p >= '0' && *p <= '9'; p++) - i = i*10 + (*p - '0'); - if (*p == '\0') - return i; - } else if (allowany && !strcmp("any", p)) { - return allowany; - } else { - for (i = 0; ir_names[i]; i++) - if (!strcmp(ir_names[i], p)) - return i; - } - fprintf(stderr, "Error: bad fold definition token \"%s\" at line %d\n", p, lineno); - exit(1); - } - return 0; -} - -/* Parse a fold rule. */ -static void foldrule(char *p) -{ - uint32_t op = nexttoken(&p, 0, 0); - uint32_t left = nexttoken(&p, 0, 0x7f); - uint32_t right = nexttoken(&p, 1, 0x3ff); - uint32_t key = (funcidx << 24) | (op << 17) | (left << 10) | right; - uint32_t i; - if (nkeys >= BUILD_MAX_FOLD) { - fprintf(stderr, "Error: too many fold rules, increase BUILD_MAX_FOLD.\n"); - exit(1); - } - /* Simple insertion sort to detect duplicates. */ - for (i = nkeys; i > 0; i--) { - if ((foldkeys[i-1]&0xffffff) < (key & 0xffffff)) - break; - if ((foldkeys[i-1]&0xffffff) == (key & 0xffffff)) { - fprintf(stderr, "Error: duplicate fold definition at line %d\n", lineno); - exit(1); - } - foldkeys[i] = foldkeys[i-1]; - } - foldkeys[i] = key; - nkeys++; -} - -/* Emit C source code for IR folding hash table. */ -void emit_fold(BuildCtx *ctx) -{ - char buf[256]; /* We don't care about analyzing lines longer than that. */ - const char *fname = ctx->args[0]; - FILE *fp; - - if (fname == NULL) { - fprintf(stderr, "Error: missing input filename\n"); - exit(1); - } - - if (fname[0] == '-' && fname[1] == '\0') { - fp = stdin; - } else { - fp = fopen(fname, "r"); - if (!fp) { - fprintf(stderr, "Error: cannot open input file '%s': %s\n", - fname, strerror(errno)); - exit(1); - } - } - - fprintf(ctx->fp, "/* This is a generated file. DO NOT EDIT! */\n\n"); - fprintf(ctx->fp, "static const FoldFunc fold_func[] = {\n"); - - lineno = 0; - funcidx = 0; - nkeys = 0; - while (fgets(buf, sizeof(buf), fp) != NULL) { - lineno++; - /* The prefix must be at the start of a line, otherwise it's ignored. */ - if (!strncmp(buf, FOLDDEF_PREFIX, sizeof(FOLDDEF_PREFIX)-1)) { - char *p = buf+sizeof(FOLDDEF_PREFIX)-1; - char *q = strchr(p, ')'); - if (p[0] == '(' && q) { - p++; - *q = '\0'; - foldrule(p); - } else if ((p[0] == 'F' || p[0] == 'X') && p[1] == '(' && q) { - p += 2; - *q = '\0'; - if (funcidx) - fprintf(ctx->fp, ",\n"); - if (p[-2] == 'X') - fprintf(ctx->fp, " %s", p); - else - fprintf(ctx->fp, " fold_%s", p); - funcidx++; - } else { - buf[strlen(buf)-1] = '\0'; - fprintf(stderr, "Error: unknown fold definition tag %s%s at line %d\n", - FOLDDEF_PREFIX, p, lineno); - exit(1); - } - } - } - fclose(fp); - fprintf(ctx->fp, "\n};\n\n"); - - makehash(ctx); -} - diff --git a/libraries/luajit-2.0/src/buildvm_lib.c b/libraries/luajit-2.0/src/buildvm_lib.c deleted file mode 100644 index 8d9bcea..0000000 --- a/libraries/luajit-2.0/src/buildvm_lib.c +++ /dev/null @@ -1,377 +0,0 @@ -/* -** LuaJIT VM builder: library definition compiler. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include "buildvm.h" -#include "lj_obj.h" -#include "lj_lib.h" - -/* Context for library definitions. */ -static uint8_t obuf[8192]; -static uint8_t *optr; -static char modname[80]; -static size_t modnamelen; -static char funcname[80]; -static int modstate, regfunc; -static int ffid, recffid, ffasmfunc; - -enum { - REGFUNC_OK, - REGFUNC_NOREG, - REGFUNC_NOREGUV -}; - -static void libdef_name(const char *p, int kind) -{ - size_t n = strlen(p); - if (kind != LIBINIT_STRING) { - if (n > modnamelen && p[modnamelen] == '_' && - !strncmp(p, modname, modnamelen)) { - p += modnamelen+1; - n -= modnamelen+1; - } - } - if (n > LIBINIT_MAXSTR) { - fprintf(stderr, "Error: string too long: '%s'\n", p); - exit(1); - } - if (optr+1+n+2 > obuf+sizeof(obuf)) { /* +2 for caller. */ - fprintf(stderr, "Error: output buffer overflow\n"); - exit(1); - } - *optr++ = (uint8_t)(n | kind); - memcpy(optr, p, n); - optr += n; -} - -static void libdef_endmodule(BuildCtx *ctx) -{ - if (modstate != 0) { - char line[80]; - const uint8_t *p; - int n; - if (modstate == 1) - fprintf(ctx->fp, " (lua_CFunction)0"); - fprintf(ctx->fp, "\n};\n"); - fprintf(ctx->fp, "static const uint8_t %s%s[] = {\n", - LABEL_PREFIX_LIBINIT, modname); - line[0] = '\0'; - for (n = 0, p = obuf; p < optr; p++) { - n += sprintf(line+n, "%d,", *p); - if (n >= 75) { - fprintf(ctx->fp, "%s\n", line); - n = 0; - line[0] = '\0'; - } - } - fprintf(ctx->fp, "%s%d\n};\n#endif\n\n", line, LIBINIT_END); - } -} - -static void libdef_module(BuildCtx *ctx, char *p, int arg) -{ - UNUSED(arg); - if (ctx->mode == BUILD_libdef) { - libdef_endmodule(ctx); - optr = obuf; - *optr++ = (uint8_t)ffid; - *optr++ = (uint8_t)ffasmfunc; - *optr++ = 0; /* Hash table size. */ - modstate = 1; - fprintf(ctx->fp, "#ifdef %sMODULE_%s\n", LIBDEF_PREFIX, p); - fprintf(ctx->fp, "#undef %sMODULE_%s\n", LIBDEF_PREFIX, p); - fprintf(ctx->fp, "static const lua_CFunction %s%s[] = {\n", - LABEL_PREFIX_LIBCF, p); - } - modnamelen = strlen(p); - if (modnamelen > sizeof(modname)-1) { - fprintf(stderr, "Error: module name too long: '%s'\n", p); - exit(1); - } - strcpy(modname, p); -} - -static int find_ffofs(BuildCtx *ctx, const char *name) -{ - int i; - for (i = 0; i < ctx->nglob; i++) { - const char *gl = ctx->globnames[i]; - if (gl[0] == 'f' && gl[1] == 'f' && gl[2] == '_' && !strcmp(gl+3, name)) { - return (int)((uint8_t *)ctx->glob[i] - ctx->code); - } - } - fprintf(stderr, "Error: undefined fast function %s%s\n", - LABEL_PREFIX_FF, name); - exit(1); -} - -static void libdef_func(BuildCtx *ctx, char *p, int arg) -{ - if (arg != LIBINIT_CF) - ffasmfunc++; - if (ctx->mode == BUILD_libdef) { - if (modstate == 0) { - fprintf(stderr, "Error: no module for function definition %s\n", p); - exit(1); - } - if (regfunc == REGFUNC_NOREG) { - if (optr+1 > obuf+sizeof(obuf)) { - fprintf(stderr, "Error: output buffer overflow\n"); - exit(1); - } - *optr++ = LIBINIT_FFID; - } else { - if (arg != LIBINIT_ASM_) { - if (modstate != 1) fprintf(ctx->fp, ",\n"); - modstate = 2; - fprintf(ctx->fp, " %s%s", arg ? LABEL_PREFIX_FFH : LABEL_PREFIX_CF, p); - } - if (regfunc != REGFUNC_NOREGUV) obuf[2]++; /* Bump hash table size. */ - libdef_name(regfunc == REGFUNC_NOREGUV ? "" : p, arg); - } - } else if (ctx->mode == BUILD_ffdef) { - fprintf(ctx->fp, "FFDEF(%s)\n", p); - } else if (ctx->mode == BUILD_recdef) { - if (strlen(p) > sizeof(funcname)-1) { - fprintf(stderr, "Error: function name too long: '%s'\n", p); - exit(1); - } - strcpy(funcname, p); - } else if (ctx->mode == BUILD_vmdef) { - int i; - for (i = 1; p[i] && modname[i-1]; i++) - if (p[i] == '_') p[i] = '.'; - fprintf(ctx->fp, "\"%s\",\n", p); - } else if (ctx->mode == BUILD_bcdef) { - if (arg != LIBINIT_CF) - fprintf(ctx->fp, ",\n%d", find_ffofs(ctx, p)); - } - ffid++; - regfunc = REGFUNC_OK; -} - -static uint32_t find_rec(char *name) -{ - char *p = (char *)obuf; - uint32_t n; - for (n = 2; *p; n++) { - if (strcmp(p, name) == 0) - return n; - p += strlen(p)+1; - } - if (p+strlen(name)+1 >= (char *)obuf+sizeof(obuf)) { - fprintf(stderr, "Error: output buffer overflow\n"); - exit(1); - } - strcpy(p, name); - return n; -} - -static void libdef_rec(BuildCtx *ctx, char *p, int arg) -{ - UNUSED(arg); - if (ctx->mode == BUILD_recdef) { - char *q; - uint32_t n; - for (; recffid+1 < ffid; recffid++) - fprintf(ctx->fp, ",\n0"); - recffid = ffid; - if (*p == '.') p = funcname; - q = strchr(p, ' '); - if (q) *q++ = '\0'; - n = find_rec(p); - if (q) - fprintf(ctx->fp, ",\n0x%02x00+(%s)", n, q); - else - fprintf(ctx->fp, ",\n0x%02x00", n); - } -} - -static void memcpy_endian(void *dst, void *src, size_t n) -{ - union { uint8_t b; uint32_t u; } host_endian; - host_endian.u = 1; - if (host_endian.b == LJ_ENDIAN_SELECT(1, 0)) { - memcpy(dst, src, n); - } else { - size_t i; - for (i = 0; i < n; i++) - ((uint8_t *)dst)[i] = ((uint8_t *)src)[n-i-1]; - } -} - -static void libdef_push(BuildCtx *ctx, char *p, int arg) -{ - UNUSED(arg); - if (ctx->mode == BUILD_libdef) { - int len = (int)strlen(p); - if (*p == '"') { - if (len > 1 && p[len-1] == '"') { - p[len-1] = '\0'; - libdef_name(p+1, LIBINIT_STRING); - return; - } - } else if (*p >= '0' && *p <= '9') { - char *ep; - double d = strtod(p, &ep); - if (*ep == '\0') { - if (optr+1+sizeof(double) > obuf+sizeof(obuf)) { - fprintf(stderr, "Error: output buffer overflow\n"); - exit(1); - } - *optr++ = LIBINIT_NUMBER; - memcpy_endian(optr, &d, sizeof(double)); - optr += sizeof(double); - return; - } - } else if (!strcmp(p, "lastcl")) { - if (optr+1 > obuf+sizeof(obuf)) { - fprintf(stderr, "Error: output buffer overflow\n"); - exit(1); - } - *optr++ = LIBINIT_LASTCL; - return; - } else if (len > 4 && !strncmp(p, "top-", 4)) { - if (optr+2 > obuf+sizeof(obuf)) { - fprintf(stderr, "Error: output buffer overflow\n"); - exit(1); - } - *optr++ = LIBINIT_COPY; - *optr++ = (uint8_t)atoi(p+4); - return; - } - fprintf(stderr, "Error: bad value for %sPUSH(%s)\n", LIBDEF_PREFIX, p); - exit(1); - } -} - -static void libdef_set(BuildCtx *ctx, char *p, int arg) -{ - UNUSED(arg); - if (ctx->mode == BUILD_libdef) { - if (p[0] == '!' && p[1] == '\0') p[0] = '\0'; /* Set env. */ - libdef_name(p, LIBINIT_STRING); - *optr++ = LIBINIT_SET; - obuf[2]++; /* Bump hash table size. */ - } -} - -static void libdef_regfunc(BuildCtx *ctx, char *p, int arg) -{ - UNUSED(ctx); UNUSED(p); - regfunc = arg; -} - -typedef void (*LibDefFunc)(BuildCtx *ctx, char *p, int arg); - -typedef struct LibDefHandler { - const char *suffix; - const char *stop; - const LibDefFunc func; - const int arg; -} LibDefHandler; - -static const LibDefHandler libdef_handlers[] = { - { "MODULE_", " \t\r\n", libdef_module, 0 }, - { "CF(", ")", libdef_func, LIBINIT_CF }, - { "ASM(", ")", libdef_func, LIBINIT_ASM }, - { "ASM_(", ")", libdef_func, LIBINIT_ASM_ }, - { "REC(", ")", libdef_rec, 0 }, - { "PUSH(", ")", libdef_push, 0 }, - { "SET(", ")", libdef_set, 0 }, - { "NOREGUV", NULL, libdef_regfunc, REGFUNC_NOREGUV }, - { "NOREG", NULL, libdef_regfunc, REGFUNC_NOREG }, - { NULL, NULL, (LibDefFunc)0, 0 } -}; - -/* Emit C source code for library function definitions. */ -void emit_lib(BuildCtx *ctx) -{ - const char *fname; - - if (ctx->mode == BUILD_ffdef || ctx->mode == BUILD_libdef || - ctx->mode == BUILD_recdef) - fprintf(ctx->fp, "/* This is a generated file. DO NOT EDIT! */\n\n"); - else if (ctx->mode == BUILD_vmdef) - fprintf(ctx->fp, "ffnames = {\n[0]=\"Lua\",\n\"C\",\n"); - if (ctx->mode == BUILD_recdef) - fprintf(ctx->fp, "static const uint16_t recff_idmap[] = {\n0,\n0x0100"); - recffid = ffid = FF_C+1; - ffasmfunc = 0; - - while ((fname = *ctx->args++)) { - char buf[256]; /* We don't care about analyzing lines longer than that. */ - FILE *fp; - if (fname[0] == '-' && fname[1] == '\0') { - fp = stdin; - } else { - fp = fopen(fname, "r"); - if (!fp) { - fprintf(stderr, "Error: cannot open input file '%s': %s\n", - fname, strerror(errno)); - exit(1); - } - } - modstate = 0; - regfunc = REGFUNC_OK; - while (fgets(buf, sizeof(buf), fp) != NULL) { - char *p; - for (p = buf; (p = strstr(p, LIBDEF_PREFIX)) != NULL; ) { - const LibDefHandler *ldh; - p += sizeof(LIBDEF_PREFIX)-1; - for (ldh = libdef_handlers; ldh->suffix != NULL; ldh++) { - size_t n, len = strlen(ldh->suffix); - if (!strncmp(p, ldh->suffix, len)) { - p += len; - n = ldh->stop ? strcspn(p, ldh->stop) : 0; - if (!p[n]) break; - p[n] = '\0'; - ldh->func(ctx, p, ldh->arg); - p += n+1; - break; - } - } - if (ldh->suffix == NULL) { - buf[strlen(buf)-1] = '\0'; - fprintf(stderr, "Error: unknown library definition tag %s%s\n", - LIBDEF_PREFIX, p); - exit(1); - } - } - } - fclose(fp); - if (ctx->mode == BUILD_libdef) { - libdef_endmodule(ctx); - } - } - - if (ctx->mode == BUILD_ffdef) { - fprintf(ctx->fp, "\n#undef FFDEF\n\n"); - fprintf(ctx->fp, - "#ifndef FF_NUM_ASMFUNC\n#define FF_NUM_ASMFUNC %d\n#endif\n\n", - ffasmfunc); - } else if (ctx->mode == BUILD_vmdef) { - fprintf(ctx->fp, "}\n\n"); - } else if (ctx->mode == BUILD_bcdef) { - int i; - fprintf(ctx->fp, "\n};\n\n"); - fprintf(ctx->fp, "LJ_DATADEF const uint16_t lj_bc_mode[] = {\n"); - fprintf(ctx->fp, "BCDEF(BCMODE)\n"); - for (i = ffasmfunc-1; i > 0; i--) - fprintf(ctx->fp, "BCMODE_FF,\n"); - fprintf(ctx->fp, "BCMODE_FF\n};\n\n"); - } else if (ctx->mode == BUILD_recdef) { - char *p = (char *)obuf; - fprintf(ctx->fp, "\n};\n\n"); - fprintf(ctx->fp, "static const RecordFunc recff_func[] = {\n" - "recff_nyi,\n" - "recff_c"); - while (*p) { - fprintf(ctx->fp, ",\nrecff_%s", p); - p += strlen(p)+1; - } - fprintf(ctx->fp, "\n};\n\n"); - } -} - diff --git a/libraries/luajit-2.0/src/buildvm_peobj.c b/libraries/luajit-2.0/src/buildvm_peobj.c deleted file mode 100644 index eb1d345..0000000 --- a/libraries/luajit-2.0/src/buildvm_peobj.c +++ /dev/null @@ -1,352 +0,0 @@ -/* -** LuaJIT VM builder: PE object emitter. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Only used for building on Windows, since we cannot assume the presence -** of a suitable assembler. The host and target byte order must match. -*/ - -#include "buildvm.h" -#include "lj_bc.h" - -#if LJ_TARGET_X86ORX64 - -/* Context for PE object emitter. */ -static char *strtab; -static size_t strtabofs; - -/* -- PE object definitions ----------------------------------------------- */ - -/* PE header. */ -typedef struct PEheader { - uint16_t arch; - uint16_t nsects; - uint32_t time; - uint32_t symtabofs; - uint32_t nsyms; - uint16_t opthdrsz; - uint16_t flags; -} PEheader; - -/* PE section. */ -typedef struct PEsection { - char name[8]; - uint32_t vsize; - uint32_t vaddr; - uint32_t size; - uint32_t ofs; - uint32_t relocofs; - uint32_t lineofs; - uint16_t nreloc; - uint16_t nline; - uint32_t flags; -} PEsection; - -/* PE relocation. */ -typedef struct PEreloc { - uint32_t vaddr; - uint32_t symidx; - uint16_t type; -} PEreloc; - -/* Cannot use sizeof, because it pads up to the max. alignment. */ -#define PEOBJ_RELOC_SIZE (4+4+2) - -/* PE symbol table entry. */ -typedef struct PEsym { - union { - char name[8]; - uint32_t nameref[2]; - } n; - uint32_t value; - int16_t sect; - uint16_t type; - uint8_t scl; - uint8_t naux; -} PEsym; - -/* PE symbol table auxiliary entry for a section. */ -typedef struct PEsymaux { - uint32_t size; - uint16_t nreloc; - uint16_t nline; - uint32_t cksum; - uint16_t assoc; - uint8_t comdatsel; - uint8_t unused[3]; -} PEsymaux; - -/* Cannot use sizeof, because it pads up to the max. alignment. */ -#define PEOBJ_SYM_SIZE (8+4+2+2+1+1) - -/* PE object CPU specific defines. */ -#if LJ_TARGET_X86 -#define PEOBJ_ARCH_TARGET 0x014c -#define PEOBJ_RELOC_REL32 0x14 /* MS: REL32, GNU: DISP32. */ -#define PEOBJ_RELOC_DIR32 0x06 -#elif LJ_TARGET_X64 -#define PEOBJ_ARCH_TARGET 0x8664 -#define PEOBJ_RELOC_REL32 0x04 /* MS: REL32, GNU: DISP32. */ -#define PEOBJ_RELOC_DIR32 0x02 -#define PEOBJ_RELOC_ADDR32NB 0x03 -#endif - -/* Section numbers (0-based). */ -enum { - PEOBJ_SECT_ABS = -2, - PEOBJ_SECT_UNDEF = -1, - PEOBJ_SECT_TEXT, -#if LJ_TARGET_X64 - PEOBJ_SECT_PDATA, - PEOBJ_SECT_XDATA, -#endif - PEOBJ_SECT_RDATA_Z, - PEOBJ_NSECTIONS -}; - -/* Symbol types. */ -#define PEOBJ_TYPE_NULL 0 -#define PEOBJ_TYPE_FUNC 0x20 - -/* Symbol storage class. */ -#define PEOBJ_SCL_EXTERN 2 -#define PEOBJ_SCL_STATIC 3 - -/* -- PE object emitter --------------------------------------------------- */ - -/* Emit PE object symbol. */ -static void emit_peobj_sym(BuildCtx *ctx, const char *name, uint32_t value, - int sect, int type, int scl) -{ - PEsym sym; - size_t len = strlen(name); - if (!strtab) { /* Pass 1: only calculate string table length. */ - if (len > 8) strtabofs += len+1; - return; - } - if (len <= 8) { - memcpy(sym.n.name, name, len); - memset(sym.n.name+len, 0, 8-len); - } else { - sym.n.nameref[0] = 0; - sym.n.nameref[1] = (uint32_t)strtabofs; - memcpy(strtab + strtabofs, name, len); - strtab[strtabofs+len] = 0; - strtabofs += len+1; - } - sym.value = value; - sym.sect = (int16_t)(sect+1); /* 1-based section number. */ - sym.type = (uint16_t)type; - sym.scl = (uint8_t)scl; - sym.naux = 0; - owrite(ctx, &sym, PEOBJ_SYM_SIZE); -} - -/* Emit PE object section symbol. */ -static void emit_peobj_sym_sect(BuildCtx *ctx, PEsection *pesect, int sect) -{ - PEsym sym; - PEsymaux aux; - if (!strtab) return; /* Pass 1: no output. */ - memcpy(sym.n.name, pesect[sect].name, 8); - sym.value = 0; - sym.sect = (int16_t)(sect+1); /* 1-based section number. */ - sym.type = PEOBJ_TYPE_NULL; - sym.scl = PEOBJ_SCL_STATIC; - sym.naux = 1; - owrite(ctx, &sym, PEOBJ_SYM_SIZE); - memset(&aux, 0, sizeof(PEsymaux)); - aux.size = pesect[sect].size; - aux.nreloc = pesect[sect].nreloc; - owrite(ctx, &aux, PEOBJ_SYM_SIZE); -} - -/* Emit Windows PE object file. */ -void emit_peobj(BuildCtx *ctx) -{ - PEheader pehdr; - PEsection pesect[PEOBJ_NSECTIONS]; - uint32_t sofs; - int i, nrsym; - union { uint8_t b; uint32_t u; } host_endian; - - host_endian.u = 1; - if (host_endian.b != LJ_ENDIAN_SELECT(1, 0)) { - fprintf(stderr, "Error: different byte order for host and target\n"); - exit(1); - } - - sofs = sizeof(PEheader) + PEOBJ_NSECTIONS*sizeof(PEsection); - - /* Fill in PE sections. */ - memset(&pesect, 0, PEOBJ_NSECTIONS*sizeof(PEsection)); - memcpy(pesect[PEOBJ_SECT_TEXT].name, ".text", sizeof(".text")-1); - pesect[PEOBJ_SECT_TEXT].ofs = sofs; - sofs += (pesect[PEOBJ_SECT_TEXT].size = (uint32_t)ctx->codesz); - pesect[PEOBJ_SECT_TEXT].relocofs = sofs; - sofs += (pesect[PEOBJ_SECT_TEXT].nreloc = (uint16_t)ctx->nreloc) * PEOBJ_RELOC_SIZE; - /* Flags: 60 = read+execute, 50 = align16, 20 = code. */ - pesect[PEOBJ_SECT_TEXT].flags = 0x60500020; - -#if LJ_TARGET_X64 - memcpy(pesect[PEOBJ_SECT_PDATA].name, ".pdata", sizeof(".pdata")-1); - pesect[PEOBJ_SECT_PDATA].ofs = sofs; - sofs += (pesect[PEOBJ_SECT_PDATA].size = 6*4); - pesect[PEOBJ_SECT_PDATA].relocofs = sofs; - sofs += (pesect[PEOBJ_SECT_PDATA].nreloc = 6) * PEOBJ_RELOC_SIZE; - /* Flags: 40 = read, 30 = align4, 40 = initialized data. */ - pesect[PEOBJ_SECT_PDATA].flags = 0x40300040; - - memcpy(pesect[PEOBJ_SECT_XDATA].name, ".xdata", sizeof(".xdata")-1); - pesect[PEOBJ_SECT_XDATA].ofs = sofs; - sofs += (pesect[PEOBJ_SECT_XDATA].size = 8*2+4+6*2); /* See below. */ - pesect[PEOBJ_SECT_XDATA].relocofs = sofs; - sofs += (pesect[PEOBJ_SECT_XDATA].nreloc = 1) * PEOBJ_RELOC_SIZE; - /* Flags: 40 = read, 30 = align4, 40 = initialized data. */ - pesect[PEOBJ_SECT_XDATA].flags = 0x40300040; -#endif - - memcpy(pesect[PEOBJ_SECT_RDATA_Z].name, ".rdata$Z", sizeof(".rdata$Z")-1); - pesect[PEOBJ_SECT_RDATA_Z].ofs = sofs; - sofs += (pesect[PEOBJ_SECT_RDATA_Z].size = (uint32_t)strlen(ctx->dasm_ident)+1); - /* Flags: 40 = read, 30 = align4, 40 = initialized data. */ - pesect[PEOBJ_SECT_RDATA_Z].flags = 0x40300040; - - /* Fill in PE header. */ - pehdr.arch = PEOBJ_ARCH_TARGET; - pehdr.nsects = PEOBJ_NSECTIONS; - pehdr.time = 0; /* Timestamp is optional. */ - pehdr.symtabofs = sofs; - pehdr.opthdrsz = 0; - pehdr.flags = 0; - - /* Compute the size of the symbol table: - ** @feat.00 + nsections*2 - ** + asm_start + nsym - ** + nrsym - */ - nrsym = ctx->nrelocsym; - pehdr.nsyms = 1+PEOBJ_NSECTIONS*2 + 1+ctx->nsym + nrsym; -#if LJ_TARGET_X64 - pehdr.nsyms += 1; /* Symbol for lj_err_unwind_win64. */ -#endif - - /* Write PE object header and all sections. */ - owrite(ctx, &pehdr, sizeof(PEheader)); - owrite(ctx, &pesect, sizeof(PEsection)*PEOBJ_NSECTIONS); - - /* Write .text section. */ - owrite(ctx, ctx->code, ctx->codesz); - for (i = 0; i < ctx->nreloc; i++) { - PEreloc reloc; - reloc.vaddr = (uint32_t)ctx->reloc[i].ofs; - reloc.symidx = 1+2+ctx->reloc[i].sym; /* Reloc syms are after .text sym. */ - reloc.type = ctx->reloc[i].type ? PEOBJ_RELOC_REL32 : PEOBJ_RELOC_DIR32; - owrite(ctx, &reloc, PEOBJ_RELOC_SIZE); - } - -#if LJ_TARGET_X64 - { /* Write .pdata section. */ - uint32_t fcofs = (uint32_t)ctx->sym[ctx->nsym-1].ofs; - uint32_t pdata[3]; /* Start of .text, end of .text and .xdata. */ - PEreloc reloc; - pdata[0] = 0; pdata[1] = fcofs; pdata[2] = 0; - owrite(ctx, &pdata, sizeof(pdata)); - pdata[0] = fcofs; pdata[1] = (uint32_t)ctx->codesz; pdata[2] = 20; - owrite(ctx, &pdata, sizeof(pdata)); - reloc.vaddr = 0; reloc.symidx = 1+2+nrsym+2+2+1; - reloc.type = PEOBJ_RELOC_ADDR32NB; - owrite(ctx, &reloc, PEOBJ_RELOC_SIZE); - reloc.vaddr = 4; reloc.symidx = 1+2+nrsym+2+2+1; - reloc.type = PEOBJ_RELOC_ADDR32NB; - owrite(ctx, &reloc, PEOBJ_RELOC_SIZE); - reloc.vaddr = 8; reloc.symidx = 1+2+nrsym+2; - reloc.type = PEOBJ_RELOC_ADDR32NB; - owrite(ctx, &reloc, PEOBJ_RELOC_SIZE); - reloc.vaddr = 12; reloc.symidx = 1+2+nrsym+2+2+1; - reloc.type = PEOBJ_RELOC_ADDR32NB; - owrite(ctx, &reloc, PEOBJ_RELOC_SIZE); - reloc.vaddr = 16; reloc.symidx = 1+2+nrsym+2+2+1; - reloc.type = PEOBJ_RELOC_ADDR32NB; - owrite(ctx, &reloc, PEOBJ_RELOC_SIZE); - reloc.vaddr = 20; reloc.symidx = 1+2+nrsym+2; - reloc.type = PEOBJ_RELOC_ADDR32NB; - owrite(ctx, &reloc, PEOBJ_RELOC_SIZE); - } - { /* Write .xdata section. */ - uint16_t xdata[8+2+6]; - PEreloc reloc; - xdata[0] = 0x01|0x08|0x10; /* Ver. 1, uhandler/ehandler, prolog size 0. */ - xdata[1] = 0x0005; /* Number of unwind codes, no frame pointer. */ - xdata[2] = 0x4200; /* Stack offset 4*8+8 = aword*5. */ - xdata[3] = 0x3000; /* Push rbx. */ - xdata[4] = 0x6000; /* Push rsi. */ - xdata[5] = 0x7000; /* Push rdi. */ - xdata[6] = 0x5000; /* Push rbp. */ - xdata[7] = 0; /* Alignment. */ - xdata[8] = xdata[9] = 0; /* Relocated address of exception handler. */ - xdata[10] = 0x01; /* Ver. 1, no handler, prolog size 0. */ - xdata[11] = 0x1504; /* Number of unwind codes, fp = rbp, fpofs = 16. */ - xdata[12] = 0x0300; /* set_fpreg. */ - xdata[13] = 0x0200; /* stack offset 0*8+8 = aword*1. */ - xdata[14] = 0x3000; /* Push rbx. */ - xdata[15] = 0x5000; /* Push rbp. */ - owrite(ctx, &xdata, sizeof(xdata)); - reloc.vaddr = 2*8; reloc.symidx = 1+2+nrsym+2+2; - reloc.type = PEOBJ_RELOC_ADDR32NB; - owrite(ctx, &reloc, PEOBJ_RELOC_SIZE); - } -#endif - - /* Write .rdata$Z section. */ - owrite(ctx, ctx->dasm_ident, strlen(ctx->dasm_ident)+1); - - /* Write symbol table. */ - strtab = NULL; /* 1st pass: collect string sizes. */ - for (;;) { - strtabofs = 4; - /* Mark as SafeSEH compliant. */ - emit_peobj_sym(ctx, "@feat.00", 1, - PEOBJ_SECT_ABS, PEOBJ_TYPE_NULL, PEOBJ_SCL_STATIC); - - emit_peobj_sym_sect(ctx, pesect, PEOBJ_SECT_TEXT); - for (i = 0; i < nrsym; i++) - emit_peobj_sym(ctx, ctx->relocsym[i], 0, - PEOBJ_SECT_UNDEF, PEOBJ_TYPE_FUNC, PEOBJ_SCL_EXTERN); - -#if LJ_TARGET_X64 - emit_peobj_sym_sect(ctx, pesect, PEOBJ_SECT_PDATA); - emit_peobj_sym_sect(ctx, pesect, PEOBJ_SECT_XDATA); - emit_peobj_sym(ctx, "lj_err_unwind_win64", 0, - PEOBJ_SECT_UNDEF, PEOBJ_TYPE_FUNC, PEOBJ_SCL_EXTERN); -#endif - - emit_peobj_sym(ctx, ctx->beginsym, 0, - PEOBJ_SECT_TEXT, PEOBJ_TYPE_NULL, PEOBJ_SCL_EXTERN); - for (i = 0; i < ctx->nsym; i++) - emit_peobj_sym(ctx, ctx->sym[i].name, (uint32_t)ctx->sym[i].ofs, - PEOBJ_SECT_TEXT, PEOBJ_TYPE_FUNC, PEOBJ_SCL_EXTERN); - - emit_peobj_sym_sect(ctx, pesect, PEOBJ_SECT_RDATA_Z); - - if (strtab) - break; - /* 2nd pass: alloc strtab, write syms and copy strings. */ - strtab = (char *)malloc(strtabofs); - *(uint32_t *)strtab = (uint32_t)strtabofs; - } - - /* Write string table. */ - owrite(ctx, strtab, strtabofs); -} - -#else - -void emit_peobj(BuildCtx *ctx) -{ - UNUSED(ctx); - fprintf(stderr, "Error: no PE object support for this target\n"); - exit(1); -} - -#endif diff --git a/libraries/luajit-2.0/src/buildvm_ppc.dasc b/libraries/luajit-2.0/src/buildvm_ppc.dasc deleted file mode 100644 index c26f392..0000000 --- a/libraries/luajit-2.0/src/buildvm_ppc.dasc +++ /dev/null @@ -1,4873 +0,0 @@ -|// Low-level VM code for PowerPC CPUs. -|// Bytecode interpreter, fast functions and helper functions. -|// Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -| -|.arch ppc -|.section code_op, code_sub -| -|.actionlist build_actionlist -|.globals GLOB_ -|.globalnames globnames -|.externnames extnames -| -|// Note: The ragged indentation of the instructions is intentional. -|// The starting columns indicate data dependencies. -| -|//----------------------------------------------------------------------- -| -|// Fixed register assignments for the interpreter. -|// Don't use: r1 = sp, r2 and r13 = reserved (TOC, TLS or SDATA) -| -|// The following must be C callee-save (but BASE is often refetched). -|.define BASE, r14 // Base of current Lua stack frame. -|.define KBASE, r15 // Constants of current Lua function. -|.define PC, r16 // Next PC. -|.define DISPATCH, r17 // Opcode dispatch table. -|.define LREG, r18 // Register holding lua_State (also in SAVE_L). -|.define MULTRES, r19 // Size of multi-result: (nresults+1)*8. -|.define JGL, r31 // On-trace: global_State + 32768. -| -|// Constants for type-comparisons, stores and conversions. C callee-save. -|.define TISNUM, r22 -|.define TISNIL, r23 -|.define ZERO, r24 -|.define TOBIT, f30 // 2^52 + 2^51. -|.define TONUM, f31 // 2^52 + 2^51 + 2^31. -| -|// The following temporaries are not saved across C calls, except for RA. -|.define RA, r20 // Callee-save. -|.define RB, r10 -|.define RC, r11 -|.define RD, r12 -|.define INS, r7 // Overlaps CARG5. -| -|.define TMP0, r0 -|.define TMP1, r8 -|.define TMP2, r9 -|.define TMP3, r6 // Overlaps CARG4. -| -|// Saved temporaries. -|.define SAVE0, r21 -| -|// Calling conventions. -|.define CARG1, r3 -|.define CARG2, r4 -|.define CARG3, r5 -|.define CARG4, r6 // Overlaps TMP3. -|.define CARG5, r7 // Overlaps INS. -| -|.define FARG1, f1 -|.define FARG2, f2 -| -|.define CRET1, r3 -|.define CRET2, r4 -| -|// Stack layout while in interpreter. Must match with lj_frame.h. -|.define SAVE_LR, 276(sp) -|.define CFRAME_SPACE, 272 // Delta for sp. -|// Back chain for sp: 272(sp) <-- sp entering interpreter -|.define SAVE_FPR_, 128 // .. 128+18*8: 64 bit FPR saves. -|.define SAVE_GPR_, 56 // .. 56+18*4: 32 bit GPR saves. -|.define SAVE_CR, 52(sp) // 32 bit CR save. -|.define SAVE_ERRF, 48(sp) // 32 bit C frame info. -|.define SAVE_NRES, 44(sp) -|.define SAVE_CFRAME, 40(sp) -|.define SAVE_L, 36(sp) -|.define SAVE_PC, 32(sp) -|.define SAVE_MULTRES, 28(sp) -|.define UNUSED1, 24(sp) -|.define TMPD_LO, 20(sp) -|.define TMPD_HI, 16(sp) -|.define TONUM_LO, 12(sp) -|.define TONUM_HI, 8(sp) -|// Next frame lr: 4(sp) -|// Back chain for sp: 0(sp) <-- sp while in interpreter -| -|.define TMPD_BLO, 23(sp) -|.define TMPD, TMPD_HI -|.define TONUM_D, TONUM_HI -| -|.macro save_, reg -| stw r..reg, SAVE_GPR_+(reg-14)*4(sp) -| stfd f..reg, SAVE_FPR_+(reg-14)*8(sp) -|.endmacro -|.macro rest_, reg -| lwz r..reg, SAVE_GPR_+(reg-14)*4(sp) -| lfd f..reg, SAVE_FPR_+(reg-14)*8(sp) -|.endmacro -| -|.macro saveregs -| stwu sp, -CFRAME_SPACE(sp) -| save_ 14; save_ 15; save_ 16 -| mflr r0 -| save_ 17; save_ 18; save_ 19; save_ 20; save_ 21; save_ 22 -| stw r0, SAVE_LR -| save_ 23; save_ 24; save_ 25 -| mfcr r0 -| save_ 26; save_ 27; save_ 28; save_ 29; save_ 30; save_ 31 -| stw r0, SAVE_CR -|.endmacro -| -|.macro restoreregs -| lwz r0, SAVE_LR; lwz r12, SAVE_CR -| rest_ 14; rest_ 15; rest_ 16; rest_ 17; rest_ 18; rest_ 19 -| mtlr r0; mtcrf 0x38, r12 -| rest_ 20; rest_ 21; rest_ 22; rest_ 23; rest_ 24; rest_ 25 -| rest_ 26; rest_ 27; rest_ 28; rest_ 29; rest_ 30; rest_ 31 -| addi sp, sp, CFRAME_SPACE -|.endmacro -| -|// Type definitions. Some of these are only used for documentation. -|.type L, lua_State, LREG -|.type GL, global_State -|.type TVALUE, TValue -|.type GCOBJ, GCobj -|.type STR, GCstr -|.type TAB, GCtab -|.type LFUNC, GCfuncL -|.type CFUNC, GCfuncC -|.type PROTO, GCproto -|.type UPVAL, GCupval -|.type NODE, Node -|.type NARGS8, int -|.type TRACE, GCtrace -| -|//----------------------------------------------------------------------- -| -|// These basic macros should really be part of DynASM. -|.macro srwi, rx, ry, n; rlwinm rx, ry, 32-n, n, 31; .endmacro -|.macro slwi, rx, ry, n; rlwinm rx, ry, n, 0, 31-n; .endmacro -|.macro rotlwi, rx, ry, n; rlwinm rx, ry, n, 0, 31; .endmacro -|.macro rotlw, rx, ry, rn; rlwnm rx, ry, rn, 0, 31; .endmacro -|.macro subi, rx, ry, i; addi rx, ry, -i; .endmacro -| -|// Trap for not-yet-implemented parts. -|.macro NYI; tw 4, sp, sp; .endmacro -| -|// int/FP conversions. -|.macro tonum_i, freg, reg -| xoris reg, reg, 0x8000 -| stw reg, TONUM_LO -| lfd freg, TONUM_D -| fsub freg, freg, TONUM -|.endmacro -| -|.macro tonum_u, freg, reg -| stw reg, TONUM_LO -| lfd freg, TONUM_D -| fsub freg, freg, TOBIT -|.endmacro -| -|.macro toint, reg, freg, tmpfreg -| fctiwz tmpfreg, freg -| stfd tmpfreg, TMPD -| lwz reg, TMPD_LO -|.endmacro -| -|.macro toint, reg, freg -| toint reg, freg, freg -|.endmacro -| -|//----------------------------------------------------------------------- -| -|// Access to frame relative to BASE. -|.define FRAME_PC, -8 -|.define FRAME_FUNC, -4 -| -|// Instruction decode. -|.macro decode_OP4, dst, ins; rlwinm dst, ins, 2, 22, 29; .endmacro -|.macro decode_RA8, dst, ins; rlwinm dst, ins, 27, 21, 28; .endmacro -|.macro decode_RB8, dst, ins; rlwinm dst, ins, 11, 21, 28; .endmacro -|.macro decode_RC8, dst, ins; rlwinm dst, ins, 19, 21, 28; .endmacro -|.macro decode_RD8, dst, ins; rlwinm dst, ins, 19, 13, 28; .endmacro -| -|.macro decode_OP1, dst, ins; rlwinm dst, ins, 0, 24, 31; .endmacro -|.macro decode_RD4, dst, ins; rlwinm dst, ins, 18, 14, 29; .endmacro -| -|// Instruction fetch. -|.macro ins_NEXT1 -| lwz INS, 0(PC) -| addi PC, PC, 4 -|.endmacro -|// Instruction decode+dispatch. Note: optimized for e300! -|.macro ins_NEXT2 -| decode_OP4 TMP1, INS -| lwzx TMP0, DISPATCH, TMP1 -| mtctr TMP0 -| decode_RB8 RB, INS -| decode_RD8 RD, INS -| decode_RA8 RA, INS -| decode_RC8 RC, INS -| bctr -|.endmacro -|.macro ins_NEXT -| ins_NEXT1 -| ins_NEXT2 -|.endmacro -| -|// Instruction footer. -|.if 1 -| // Replicated dispatch. Less unpredictable branches, but higher I-Cache use. -| .define ins_next, ins_NEXT -| .define ins_next_, ins_NEXT -| .define ins_next1, ins_NEXT1 -| .define ins_next2, ins_NEXT2 -|.else -| // Common dispatch. Lower I-Cache use, only one (very) unpredictable branch. -| // Affects only certain kinds of benchmarks (and only with -j off). -| .macro ins_next -| b ->ins_next -| .endmacro -| .macro ins_next1 -| .endmacro -| .macro ins_next2 -| b ->ins_next -| .endmacro -| .macro ins_next_ -| ->ins_next: -| ins_NEXT -| .endmacro -|.endif -| -|// Call decode and dispatch. -|.macro ins_callt -| // BASE = new base, RB = LFUNC/CFUNC, RC = nargs*8, FRAME_PC(BASE) = PC -| lwz PC, LFUNC:RB->pc -| lwz INS, 0(PC) -| addi PC, PC, 4 -| decode_OP4 TMP1, INS -| decode_RA8 RA, INS -| lwzx TMP0, DISPATCH, TMP1 -| add RA, RA, BASE -| mtctr TMP0 -| bctr -|.endmacro -| -|.macro ins_call -| // BASE = new base, RB = LFUNC/CFUNC, RC = nargs*8, PC = caller PC -| stw PC, FRAME_PC(BASE) -| ins_callt -|.endmacro -| -|//----------------------------------------------------------------------- -| -|// Macros to test operand types. -|.macro checknum, reg; cmplw reg, TISNUM; .endmacro -|.macro checknum, cr, reg; cmplw cr, reg, TISNUM; .endmacro -|.macro checkstr, reg; cmpwi reg, LJ_TSTR; .endmacro -|.macro checktab, reg; cmpwi reg, LJ_TTAB; .endmacro -|.macro checkfunc, reg; cmpwi reg, LJ_TFUNC; .endmacro -|.macro checknil, reg; cmpwi reg, LJ_TNIL; .endmacro -| -|.macro branch_RD -| srwi TMP0, RD, 1 -| addis PC, PC, -(BCBIAS_J*4 >> 16) -| add PC, PC, TMP0 -|.endmacro -| -|// Assumes DISPATCH is relative to GL. -#define DISPATCH_GL(field) (GG_DISP2G + (int)offsetof(global_State, field)) -#define DISPATCH_J(field) (GG_DISP2J + (int)offsetof(jit_State, field)) -| -#define PC2PROTO(field) ((int)offsetof(GCproto, field)-(int)sizeof(GCproto)) -| -|.macro hotcheck, delta, target -| rlwinm TMP1, PC, 31, 25, 30 -| addi TMP1, TMP1, GG_DISP2HOT -| lhzx TMP2, DISPATCH, TMP1 -| addic. TMP2, TMP2, -delta -| sthx TMP2, DISPATCH, TMP1 -| blt target -|.endmacro -| -|.macro hotloop -| hotcheck HOTCOUNT_LOOP, ->vm_hotloop -|.endmacro -| -|.macro hotcall -| hotcheck HOTCOUNT_CALL, ->vm_hotcall -|.endmacro -| -|// Set current VM state. Uses TMP0. -|.macro li_vmstate, st; li TMP0, ~LJ_VMST_..st; .endmacro -|.macro st_vmstate; stw TMP0, DISPATCH_GL(vmstate)(DISPATCH); .endmacro -| -|// Move table write barrier back. Overwrites mark and tmp. -|.macro barrierback, tab, mark, tmp -| lwz tmp, DISPATCH_GL(gc.grayagain)(DISPATCH) -| // Assumes LJ_GC_BLACK is 0x04. -| rlwinm mark, mark, 0, 30, 28 // black2gray(tab) -| stw tab, DISPATCH_GL(gc.grayagain)(DISPATCH) -| stb mark, tab->marked -| stw tmp, tab->gclist -|.endmacro -| -|//----------------------------------------------------------------------- - -/* Generate subroutines used by opcodes and other parts of the VM. */ -/* The .code_sub section should be last to help static branch prediction. */ -static void build_subroutines(BuildCtx *ctx) -{ - |.code_sub - | - |//----------------------------------------------------------------------- - |//-- Return handling ---------------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_returnp: - | // See vm_return. Also: TMP2 = previous base. - | andi. TMP0, PC, FRAME_P - | li TMP1, LJ_TTRUE - | beq ->cont_dispatch - | - | // Return from pcall or xpcall fast func. - | lwz PC, FRAME_PC(TMP2) // Fetch PC of previous frame. - | mr BASE, TMP2 // Restore caller base. - | // Prepending may overwrite the pcall frame, so do it at the end. - | stwu TMP1, FRAME_PC(RA) // Prepend true to results. - | - |->vm_returnc: - | andi. TMP0, PC, FRAME_TYPE - | addi RD, RD, 8 // RD = (nresults+1)*8. - | mr MULTRES, RD - | beq ->BC_RET_Z // Handle regular return to Lua. - | - |->vm_return: - | // BASE = base, RA = resultptr, RD/MULTRES = (nresults+1)*8, PC = return - | // TMP0 = PC & FRAME_TYPE - | cmpwi TMP0, FRAME_C - | rlwinm TMP2, PC, 0, 0, 28 - | li_vmstate C - | sub TMP2, BASE, TMP2 // TMP2 = previous base. - | bney ->vm_returnp - | - | addic. TMP1, RD, -8 - | stw TMP2, L->base - | lwz TMP2, SAVE_NRES - | subi BASE, BASE, 8 - | st_vmstate - | slwi TMP2, TMP2, 3 - | beq >2 - |1: - | addic. TMP1, TMP1, -8 - | lfd f0, 0(RA) - | addi RA, RA, 8 - | stfd f0, 0(BASE) - | addi BASE, BASE, 8 - | bney <1 - | - |2: - | cmpw TMP2, RD // More/less results wanted? - | bne >6 - |3: - | stw BASE, L->top // Store new top. - | - |->vm_leave_cp: - | lwz TMP0, SAVE_CFRAME // Restore previous C frame. - | li CRET1, 0 // Ok return status for vm_pcall. - | stw TMP0, L->cframe - | - |->vm_leave_unw: - | restoreregs - | blr - | - |6: - | ble >7 // Less results wanted? - | // More results wanted. Check stack size and fill up results with nil. - | lwz TMP1, L->maxstack - | cmplw BASE, TMP1 - | bge >8 - | stw TISNIL, 0(BASE) - | addi RD, RD, 8 - | addi BASE, BASE, 8 - | b <2 - | - |7: // Less results wanted. - | subfic TMP3, TMP2, 0 // LUA_MULTRET+1 case? - | sub TMP0, RD, TMP2 - | subfe TMP1, TMP1, TMP1 // TMP1 = TMP2 == 0 ? 0 : -1 - | and TMP0, TMP0, TMP1 - | sub BASE, BASE, TMP0 // Either keep top or shrink it. - | b <3 - | - |8: // Corner case: need to grow stack for filling up results. - | // This can happen if: - | // - A C function grows the stack (a lot). - | // - The GC shrinks the stack in between. - | // - A return back from a lua_call() with (high) nresults adjustment. - | stw BASE, L->top // Save current top held in BASE (yes). - | mr SAVE0, RD - | mr CARG2, TMP2 - | mr CARG1, L - | bl extern lj_state_growstack // (lua_State *L, int n) - | lwz TMP2, SAVE_NRES - | mr RD, SAVE0 - | slwi TMP2, TMP2, 3 - | lwz BASE, L->top // Need the (realloced) L->top in BASE. - | b <2 - | - |->vm_unwind_c: // Unwind C stack, return from vm_pcall. - | // (void *cframe, int errcode) - | mr sp, CARG1 - | mr CRET1, CARG2 - |->vm_unwind_c_eh: // Landing pad for external unwinder. - | lwz L, SAVE_L - | li TMP0, ~LJ_VMST_C - | lwz GL:TMP1, L->glref - | stw TMP0, GL:TMP1->vmstate - | b ->vm_leave_unw - | - |->vm_unwind_ff: // Unwind C stack, return from ff pcall. - | // (void *cframe) - | rlwinm sp, CARG1, 0, 0, 29 - |->vm_unwind_ff_eh: // Landing pad for external unwinder. - | lwz L, SAVE_L - | li TISNUM, LJ_TISNUM // Setup type comparison constants. - | lwz BASE, L->base - | lus TMP3, 0x59c0 // TOBIT = 2^52 + 2^51 (float). - | lwz DISPATCH, L->glref // Setup pointer to dispatch table. - | li ZERO, 0 - | stw TMP3, TMPD - | li TMP1, LJ_TFALSE - | ori TMP3, TMP3, 0x0004 // TONUM = 2^52 + 2^51 + 2^31 (float). - | li TISNIL, LJ_TNIL - | li_vmstate INTERP - | lfs TOBIT, TMPD - | lwz PC, FRAME_PC(BASE) // Fetch PC of previous frame. - | la RA, -8(BASE) // Results start at BASE-8. - | stw TMP3, TMPD - | addi DISPATCH, DISPATCH, GG_G2DISP - | stw TMP1, 0(RA) // Prepend false to error message. - | li RD, 16 // 2 results: false + error message. - | st_vmstate - | lfs TONUM, TMPD - | b ->vm_returnc - | - |//----------------------------------------------------------------------- - |//-- Grow stack for calls ----------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_growstack_c: // Grow stack for C function. - | li CARG2, LUA_MINSTACK - | b >2 - | - |->vm_growstack_l: // Grow stack for Lua function. - | // BASE = new base, RA = BASE+framesize*8, RC = nargs*8, PC = first PC - | add RC, BASE, RC - | sub RA, RA, BASE - | stw BASE, L->base - | addi PC, PC, 4 // Must point after first instruction. - | stw RC, L->top - | srwi CARG2, RA, 3 - |2: - | // L->base = new base, L->top = top - | stw PC, SAVE_PC - | mr CARG1, L - | bl extern lj_state_growstack // (lua_State *L, int n) - | lwz BASE, L->base - | lwz RC, L->top - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | sub RC, RC, BASE - | // BASE = new base, RB = LFUNC/CFUNC, RC = nargs*8, FRAME_PC(BASE) = PC - | ins_callt // Just retry the call. - | - |//----------------------------------------------------------------------- - |//-- Entry points into the assembler VM --------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_resume: // Setup C frame and resume thread. - | // (lua_State *L, TValue *base, int nres1 = 0, ptrdiff_t ef = 0) - | saveregs - | mr L, CARG1 - | lwz DISPATCH, L->glref // Setup pointer to dispatch table. - | mr BASE, CARG2 - | lbz TMP1, L->status - | stw L, SAVE_L - | li PC, FRAME_CP - | addi TMP0, sp, CFRAME_RESUME - | addi DISPATCH, DISPATCH, GG_G2DISP - | stw CARG3, SAVE_NRES - | cmplwi TMP1, 0 - | stw CARG3, SAVE_ERRF - | stw TMP0, L->cframe - | stw CARG3, SAVE_CFRAME - | stw CARG1, SAVE_PC // Any value outside of bytecode is ok. - | beq >3 - | - | // Resume after yield (like a return). - | mr RA, BASE - | lwz BASE, L->base - | li TISNUM, LJ_TISNUM // Setup type comparison constants. - | lwz TMP1, L->top - | lwz PC, FRAME_PC(BASE) - | lus TMP3, 0x59c0 // TOBIT = 2^52 + 2^51 (float). - | sub RD, TMP1, BASE - | stb CARG3, L->status - | stw TMP3, TMPD - | andi. TMP0, PC, FRAME_TYPE - | ori TMP3, TMP3, 0x0004 // TONUM = 2^52 + 2^51 + 2^31 (float). - | lfs TOBIT, TMPD - | li ZERO, 0 - | stw TMP3, TMPD - | addi RD, RD, 8 - | lus TMP0, 0x4338 // Hiword of 2^52 + 2^51 (double) - | mr MULTRES, RD - | stw TMP0, TONUM_HI - | li_vmstate INTERP - | lfs TONUM, TMPD - | li TISNIL, LJ_TNIL - | st_vmstate - | beq ->BC_RET_Z - | b ->vm_return - | - |->vm_pcall: // Setup protected C frame and enter VM. - | // (lua_State *L, TValue *base, int nres1, ptrdiff_t ef) - | saveregs - | li PC, FRAME_CP - | stw CARG4, SAVE_ERRF - | b >1 - | - |->vm_call: // Setup C frame and enter VM. - | // (lua_State *L, TValue *base, int nres1) - | saveregs - | li PC, FRAME_C - | - |1: // Entry point for vm_pcall above (PC = ftype). - | lwz TMP1, L:CARG1->cframe - | stw CARG3, SAVE_NRES - | mr L, CARG1 - | stw CARG1, SAVE_L - | mr BASE, CARG2 - | stw sp, L->cframe // Add our C frame to cframe chain. - | lwz DISPATCH, L->glref // Setup pointer to dispatch table. - | stw CARG1, SAVE_PC // Any value outside of bytecode is ok. - | stw TMP1, SAVE_CFRAME - | addi DISPATCH, DISPATCH, GG_G2DISP - | - |3: // Entry point for vm_cpcall/vm_resume (BASE = base, PC = ftype). - | lwz TMP2, L->base // TMP2 = old base (used in vmeta_call). - | li TISNUM, LJ_TISNUM // Setup type comparison constants. - | lwz TMP1, L->top - | lus TMP3, 0x59c0 // TOBIT = 2^52 + 2^51 (float). - | add PC, PC, BASE - | stw TMP3, TMPD - | li ZERO, 0 - | ori TMP3, TMP3, 0x0004 // TONUM = 2^52 + 2^51 + 2^31 (float). - | lfs TOBIT, TMPD - | sub PC, PC, TMP2 // PC = frame delta + frame type - | stw TMP3, TMPD - | lus TMP0, 0x4338 // Hiword of 2^52 + 2^51 (double) - | sub NARGS8:RC, TMP1, BASE - | stw TMP0, TONUM_HI - | li_vmstate INTERP - | lfs TONUM, TMPD - | li TISNIL, LJ_TNIL - | st_vmstate - | - |->vm_call_dispatch: - | // TMP2 = old base, BASE = new base, RC = nargs*8, PC = caller PC - | lwz TMP0, FRAME_PC(BASE) - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | checkfunc TMP0; bne ->vmeta_call - | - |->vm_call_dispatch_f: - | ins_call - | // BASE = new base, RB = func, RC = nargs*8, PC = caller PC - | - |->vm_cpcall: // Setup protected C frame, call C. - | // (lua_State *L, lua_CFunction func, void *ud, lua_CPFunction cp) - | saveregs - | mr L, CARG1 - | lwz TMP0, L:CARG1->stack - | stw CARG1, SAVE_L - | lwz TMP1, L->top - | stw CARG1, SAVE_PC // Any value outside of bytecode is ok. - | sub TMP0, TMP0, TMP1 // Compute -savestack(L, L->top). - | lwz TMP1, L->cframe - | stw sp, L->cframe // Add our C frame to cframe chain. - | li TMP2, 0 - | stw TMP0, SAVE_NRES // Neg. delta means cframe w/o frame. - | stw TMP2, SAVE_ERRF // No error function. - | stw TMP1, SAVE_CFRAME - | mtctr CARG4 - | bctrl // (lua_State *L, lua_CFunction func, void *ud) - | mr. BASE, CRET1 - | lwz DISPATCH, L->glref // Setup pointer to dispatch table. - | li PC, FRAME_CP - | addi DISPATCH, DISPATCH, GG_G2DISP - | bne <3 // Else continue with the call. - | b ->vm_leave_cp // No base? Just remove C frame. - | - |//----------------------------------------------------------------------- - |//-- Metamethod handling ------------------------------------------------ - |//----------------------------------------------------------------------- - | - |// The lj_meta_* functions (except for lj_meta_cat) don't reallocate the - |// stack, so BASE doesn't need to be reloaded across these calls. - | - |//-- Continuation dispatch ---------------------------------------------- - | - |->cont_dispatch: - | // BASE = meta base, RA = resultptr, RD = (nresults+1)*8 - | lwz TMP0, -12(BASE) // Continuation. - | mr RB, BASE - | mr BASE, TMP2 // Restore caller BASE. - | lwz LFUNC:TMP1, FRAME_FUNC(TMP2) -#if LJ_HASFFI - | cmplwi TMP0, 1 -#endif - | lwz PC, -16(RB) // Restore PC from [cont|PC]. - | subi TMP2, RD, 8 - | lwz TMP1, LFUNC:TMP1->pc - | stwx TISNIL, RA, TMP2 // Ensure one valid arg. -#if LJ_HASFFI - | ble >1 -#endif - | lwz KBASE, PC2PROTO(k)(TMP1) - | // BASE = base, RA = resultptr, RB = meta base - | mtctr TMP0 - | bctr // Jump to continuation. - | -#if LJ_HASFFI - |1: - | beq ->cont_ffi_callback // cont = 1: return from FFI callback. - | // cont = 0: tailcall from C function. - | subi TMP1, RB, 16 - | sub RC, TMP1, BASE - | b ->vm_call_tail -#endif - | - |->cont_cat: // RA = resultptr, RB = meta base - | lwz INS, -4(PC) - | subi CARG2, RB, 16 - | decode_RB8 SAVE0, INS - | lfd f0, 0(RA) - | add TMP1, BASE, SAVE0 - | stw BASE, L->base - | cmplw TMP1, CARG2 - | sub CARG3, CARG2, TMP1 - | decode_RA8 RA, INS - | stfd f0, 0(CARG2) - | bney ->BC_CAT_Z - | stfdx f0, BASE, RA - | b ->cont_nop - | - |//-- Table indexing metamethods ----------------------------------------- - | - |->vmeta_tgets1: - | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) - | li TMP0, LJ_TSTR - | decode_RB8 RB, INS - | stw STR:RC, 4(CARG3) - | add CARG2, BASE, RB - | stw TMP0, 0(CARG3) - | b >1 - | - |->vmeta_tgets: - | la CARG2, DISPATCH_GL(tmptv)(DISPATCH) - | li TMP0, LJ_TTAB - | stw TAB:RB, 4(CARG2) - | la CARG3, DISPATCH_GL(tmptv2)(DISPATCH) - | stw TMP0, 0(CARG2) - | li TMP1, LJ_TSTR - | stw STR:RC, 4(CARG3) - | stw TMP1, 0(CARG3) - | b >1 - | - |->vmeta_tgetb: // TMP0 = index - if (!LJ_DUALNUM) { - | tonum_u f0, TMP0 - } - | decode_RB8 RB, INS - | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) - | add CARG2, BASE, RB - if (LJ_DUALNUM) { - | stw TISNUM, 0(CARG3) - | stw TMP0, 4(CARG3) - } else { - | stfd f0, 0(CARG3) - } - | b >1 - | - |->vmeta_tgetv: - | decode_RB8 RB, INS - | decode_RC8 RC, INS - | add CARG2, BASE, RB - | add CARG3, BASE, RC - |1: - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | bl extern lj_meta_tget // (lua_State *L, TValue *o, TValue *k) - | // Returns TValue * (finished) or NULL (metamethod). - | cmplwi CRET1, 0 - | beq >3 - | lfd f0, 0(CRET1) - | ins_next1 - | stfdx f0, BASE, RA - | ins_next2 - | - |3: // Call __index metamethod. - | // BASE = base, L->top = new base, stack = cont/func/t/k - | subfic TMP1, BASE, FRAME_CONT - | lwz BASE, L->top - | stw PC, -16(BASE) // [cont|PC] - | add PC, TMP1, BASE - | lwz LFUNC:RB, FRAME_FUNC(BASE) // Guaranteed to be a function here. - | li NARGS8:RC, 16 // 2 args for func(t, k). - | b ->vm_call_dispatch_f - | - |//----------------------------------------------------------------------- - | - |->vmeta_tsets1: - | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) - | li TMP0, LJ_TSTR - | decode_RB8 RB, INS - | stw STR:RC, 4(CARG3) - | add CARG2, BASE, RB - | stw TMP0, 0(CARG3) - | b >1 - | - |->vmeta_tsets: - | la CARG2, DISPATCH_GL(tmptv)(DISPATCH) - | li TMP0, LJ_TTAB - | stw TAB:RB, 4(CARG2) - | la CARG3, DISPATCH_GL(tmptv2)(DISPATCH) - | stw TMP0, 0(CARG2) - | li TMP1, LJ_TSTR - | stw STR:RC, 4(CARG3) - | stw TMP1, 0(CARG3) - | b >1 - | - |->vmeta_tsetb: // TMP0 = index - if (!LJ_DUALNUM) { - | tonum_u f0, TMP0 - } - | decode_RB8 RB, INS - | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) - | add CARG2, BASE, RB - if (LJ_DUALNUM) { - | stw TISNUM, 0(CARG3) - | stw TMP0, 4(CARG3) - } else { - | stfd f0, 0(CARG3) - } - | b >1 - | - |->vmeta_tsetv: - | decode_RB8 RB, INS - | decode_RC8 RC, INS - | add CARG2, BASE, RB - | add CARG3, BASE, RC - |1: - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | bl extern lj_meta_tset // (lua_State *L, TValue *o, TValue *k) - | // Returns TValue * (finished) or NULL (metamethod). - | cmplwi CRET1, 0 - | lfdx f0, BASE, RA - | beq >3 - | // NOBARRIER: lj_meta_tset ensures the table is not black. - | ins_next1 - | stfd f0, 0(CRET1) - | ins_next2 - | - |3: // Call __newindex metamethod. - | // BASE = base, L->top = new base, stack = cont/func/t/k/(v) - | subfic TMP1, BASE, FRAME_CONT - | lwz BASE, L->top - | stw PC, -16(BASE) // [cont|PC] - | add PC, TMP1, BASE - | lwz LFUNC:RB, FRAME_FUNC(BASE) // Guaranteed to be a function here. - | li NARGS8:RC, 24 // 3 args for func(t, k, v) - | stfd f0, 16(BASE) // Copy value to third argument. - | b ->vm_call_dispatch_f - | - |//-- Comparison metamethods --------------------------------------------- - | - |->vmeta_comp: - | mr CARG1, L - | subi PC, PC, 4 - if (LJ_DUALNUM) { - | mr CARG2, RA - } else { - | add CARG2, BASE, RA - } - | stw PC, SAVE_PC - if (LJ_DUALNUM) { - | mr CARG3, RD - } else { - | add CARG3, BASE, RD - } - | stw BASE, L->base - | decode_OP1 CARG4, INS - | bl extern lj_meta_comp // (lua_State *L, TValue *o1, *o2, int op) - | // Returns 0/1 or TValue * (metamethod). - |3: - | cmplwi CRET1, 1 - | bgt ->vmeta_binop - | subfic CRET1, CRET1, 0 - |4: - | lwz INS, 0(PC) - | addi PC, PC, 4 - | decode_RD4 TMP2, INS - | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) - | and TMP2, TMP2, CRET1 - | add PC, PC, TMP2 - |->cont_nop: - | ins_next - | - |->cont_ra: // RA = resultptr - | lwz INS, -4(PC) - | lfd f0, 0(RA) - | decode_RA8 TMP1, INS - | stfdx f0, BASE, TMP1 - | b ->cont_nop - | - |->cont_condt: // RA = resultptr - | lwz TMP0, 0(RA) - | subfic TMP0, TMP0, LJ_TTRUE // Branch if result is true. - | subfe CRET1, CRET1, CRET1 - | not CRET1, CRET1 - | b <4 - | - |->cont_condf: // RA = resultptr - | lwz TMP0, 0(RA) - | subfic TMP0, TMP0, LJ_TTRUE // Branch if result is false. - | subfe CRET1, CRET1, CRET1 - | b <4 - | - |->vmeta_equal: - | // CARG2, CARG3, CARG4 are already set by BC_ISEQV/BC_ISNEV. - | subi PC, PC, 4 - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | bl extern lj_meta_equal // (lua_State *L, GCobj *o1, *o2, int ne) - | // Returns 0/1 or TValue * (metamethod). - | b <3 - | - |->vmeta_equal_cd: -#if LJ_HASFFI - | mr CARG2, INS - | subi PC, PC, 4 - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | bl extern lj_meta_equal_cd // (lua_State *L, BCIns op) - | // Returns 0/1 or TValue * (metamethod). - | b <3 -#endif - | - |//-- Arithmetic metamethods --------------------------------------------- - | - |->vmeta_arith_nv: - | add CARG3, KBASE, RC - | add CARG4, BASE, RB - | b >1 - |->vmeta_arith_nv2: - if (LJ_DUALNUM) { - | mr CARG3, RC - | mr CARG4, RB - | b >1 - } - | - |->vmeta_unm: - | mr CARG3, RD - | mr CARG4, RD - | b >1 - | - |->vmeta_arith_vn: - | add CARG3, BASE, RB - | add CARG4, KBASE, RC - | b >1 - | - |->vmeta_arith_vv: - | add CARG3, BASE, RB - | add CARG4, BASE, RC - if (LJ_DUALNUM) { - | b >1 - } - |->vmeta_arith_vn2: - |->vmeta_arith_vv2: - if (LJ_DUALNUM) { - | mr CARG3, RB - | mr CARG4, RC - } - |1: - | add CARG2, BASE, RA - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | decode_OP1 CARG5, INS // Caveat: CARG5 overlaps INS. - | bl extern lj_meta_arith // (lua_State *L, TValue *ra,*rb,*rc, BCReg op) - | // Returns NULL (finished) or TValue * (metamethod). - | cmplwi CRET1, 0 - | beq ->cont_nop - | - | // Call metamethod for binary op. - |->vmeta_binop: - | // BASE = old base, CRET1 = new base, stack = cont/func/o1/o2 - | sub TMP1, CRET1, BASE - | stw PC, -16(CRET1) // [cont|PC] - | mr TMP2, BASE - | addi PC, TMP1, FRAME_CONT - | mr BASE, CRET1 - | li NARGS8:RC, 16 // 2 args for func(o1, o2). - | b ->vm_call_dispatch - | - |->vmeta_len: -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | mr SAVE0, CARG1 -#endif - | mr CARG2, RD - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | bl extern lj_meta_len // (lua_State *L, TValue *o) - | // Returns NULL (retry) or TValue * (metamethod base). -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | cmplwi CRET1, 0 - | bne ->vmeta_binop // Binop call for compatibility. - | mr CARG1, SAVE0 - | b ->BC_LEN_Z -#else - | b ->vmeta_binop // Binop call for compatibility. -#endif - | - |//-- Call metamethod ---------------------------------------------------- - | - |->vmeta_call: // Resolve and call __call metamethod. - | // TMP2 = old base, BASE = new base, RC = nargs*8 - | mr CARG1, L - | stw TMP2, L->base // This is the callers base! - | subi CARG2, BASE, 8 - | stw PC, SAVE_PC - | add CARG3, BASE, RC - | mr SAVE0, NARGS8:RC - | bl extern lj_meta_call // (lua_State *L, TValue *func, TValue *top) - | lwz LFUNC:RB, FRAME_FUNC(BASE) // Guaranteed to be a function here. - | addi NARGS8:RC, SAVE0, 8 // Got one more argument now. - | ins_call - | - |->vmeta_callt: // Resolve __call for BC_CALLT. - | // BASE = old base, RA = new base, RC = nargs*8 - | mr CARG1, L - | stw BASE, L->base - | subi CARG2, RA, 8 - | stw PC, SAVE_PC - | add CARG3, RA, RC - | mr SAVE0, NARGS8:RC - | bl extern lj_meta_call // (lua_State *L, TValue *func, TValue *top) - | lwz TMP1, FRAME_PC(BASE) - | addi NARGS8:RC, SAVE0, 8 // Got one more argument now. - | lwz LFUNC:RB, FRAME_FUNC(RA) // Guaranteed to be a function here. - | b ->BC_CALLT_Z - | - |//-- Argument coercion for 'for' statement ------------------------------ - | - |->vmeta_for: - | mr CARG1, L - | stw BASE, L->base - | mr CARG2, RA - | stw PC, SAVE_PC - | mr SAVE0, INS - | bl extern lj_meta_for // (lua_State *L, TValue *base) -#if LJ_HASJIT - | decode_OP1 TMP0, SAVE0 -#endif - | decode_RA8 RA, SAVE0 -#if LJ_HASJIT - | cmpwi TMP0, BC_JFORI -#endif - | decode_RD8 RD, SAVE0 -#if LJ_HASJIT - | beqy =>BC_JFORI -#endif - | b =>BC_FORI - | - |//----------------------------------------------------------------------- - |//-- Fast functions ----------------------------------------------------- - |//----------------------------------------------------------------------- - | - |.macro .ffunc, name - |->ff_ .. name: - |.endmacro - | - |.macro .ffunc_1, name - |->ff_ .. name: - | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) - | lwz CARG1, 4(BASE) - | blt ->fff_fallback - |.endmacro - | - |.macro .ffunc_2, name - |->ff_ .. name: - | cmplwi NARGS8:RC, 16 - | lwz CARG3, 0(BASE) - | lwz CARG4, 8(BASE) - | lwz CARG1, 4(BASE) - | lwz CARG2, 12(BASE) - | blt ->fff_fallback - |.endmacro - | - |.macro .ffunc_n, name - |->ff_ .. name: - | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) - | lfd FARG1, 0(BASE) - | blt ->fff_fallback - | checknum CARG3; bge ->fff_fallback - |.endmacro - | - |.macro .ffunc_nn, name - |->ff_ .. name: - | cmplwi NARGS8:RC, 16 - | lwz CARG3, 0(BASE) - | lfd FARG1, 0(BASE) - | lwz CARG4, 8(BASE) - | lfd FARG2, 8(BASE) - | blt ->fff_fallback - | checknum CARG3; bge ->fff_fallback - | checknum CARG4; bge ->fff_fallback - |.endmacro - | - |// Inlined GC threshold check. Caveat: uses TMP0 and TMP1. - |.macro ffgccheck - | lwz TMP0, DISPATCH_GL(gc.total)(DISPATCH) - | lwz TMP1, DISPATCH_GL(gc.threshold)(DISPATCH) - | cmplw TMP0, TMP1 - | bgel ->fff_gcstep - |.endmacro - | - |//-- Base library: checks ----------------------------------------------- - | - |.ffunc_1 assert - | li TMP1, LJ_TFALSE - | la RA, -8(BASE) - | cmplw cr1, CARG3, TMP1 - | lwz PC, FRAME_PC(BASE) - | bge cr1, ->fff_fallback - | stw CARG3, 0(RA) - | addi RD, NARGS8:RC, 8 // Compute (nresults+1)*8. - | stw CARG1, 4(RA) - | beq ->fff_res // Done if exactly 1 argument. - | li TMP1, 8 - | subi RC, RC, 8 - |1: - | cmplw TMP1, RC - | lfdx f0, BASE, TMP1 - | stfdx f0, RA, TMP1 - | addi TMP1, TMP1, 8 - | bney <1 - | b ->fff_res - | - |.ffunc type - | cmplwi NARGS8:RC, 8 - | lwz CARG1, 0(BASE) - | blt ->fff_fallback - | subfc TMP0, TISNUM, CARG1 - | subfe TMP2, CARG1, CARG1 - | orc TMP1, TMP2, TMP0 - | addi TMP1, TMP1, ~LJ_TISNUM+1 - | slwi TMP1, TMP1, 3 - | la TMP2, CFUNC:RB->upvalue - | lfdx FARG1, TMP2, TMP1 - | b ->fff_resn - | - |//-- Base library: getters and setters --------------------------------- - | - |.ffunc_1 getmetatable - | checktab CARG3; bne >6 - |1: // Field metatable must be at same offset for GCtab and GCudata! - | lwz TAB:CARG1, TAB:CARG1->metatable - |2: - | li CARG3, LJ_TNIL - | cmplwi TAB:CARG1, 0 - | lwz STR:RC, DISPATCH_GL(gcroot[GCROOT_MMNAME+MM_metatable])(DISPATCH) - | beq ->fff_restv - | lwz TMP0, TAB:CARG1->hmask - | li CARG3, LJ_TTAB // Use metatable as default result. - | lwz TMP1, STR:RC->hash - | lwz NODE:TMP2, TAB:CARG1->node - | and TMP1, TMP1, TMP0 // idx = str->hash & tab->hmask - | slwi TMP0, TMP1, 5 - | slwi TMP1, TMP1, 3 - | sub TMP1, TMP0, TMP1 - | add NODE:TMP2, NODE:TMP2, TMP1 // node = tab->node + (idx*32-idx*8) - |3: // Rearranged logic, because we expect _not_ to find the key. - | lwz CARG4, NODE:TMP2->key - | lwz TMP0, 4+offsetof(Node, key)(NODE:TMP2) - | lwz CARG2, NODE:TMP2->val - | lwz TMP1, 4+offsetof(Node, val)(NODE:TMP2) - | checkstr CARG4; bne >4 - | cmpw TMP0, STR:RC; beq >5 - |4: - | lwz NODE:TMP2, NODE:TMP2->next - | cmplwi NODE:TMP2, 0 - | beq ->fff_restv // Not found, keep default result. - | b <3 - |5: - | checknil CARG2 - | beq ->fff_restv // Ditto for nil value. - | mr CARG3, CARG2 // Return value of mt.__metatable. - | mr CARG1, TMP1 - | b ->fff_restv - | - |6: - | cmpwi CARG3, LJ_TUDATA; beq <1 - | subfc TMP0, TISNUM, CARG3 - | subfe TMP2, CARG3, CARG3 - | orc TMP1, TMP2, TMP0 - | addi TMP1, TMP1, ~LJ_TISNUM+1 - | slwi TMP1, TMP1, 2 - | la TMP2, DISPATCH_GL(gcroot[GCROOT_BASEMT])(DISPATCH) - | lwzx TAB:CARG1, TMP2, TMP1 - | b <2 - | - |.ffunc_2 setmetatable - | // Fast path: no mt for table yet and not clearing the mt. - | checktab CARG3; bne ->fff_fallback - | lwz TAB:TMP1, TAB:CARG1->metatable - | checktab CARG4; bne ->fff_fallback - | cmplwi TAB:TMP1, 0 - | lbz TMP3, TAB:CARG1->marked - | bne ->fff_fallback - | andi. TMP0, TMP3, LJ_GC_BLACK // isblack(table) - | stw TAB:CARG2, TAB:CARG1->metatable - | beq ->fff_restv - | barrierback TAB:CARG1, TMP3, TMP0 - | b ->fff_restv - | - |.ffunc rawget - | cmplwi NARGS8:RC, 8 - | lwz CARG4, 0(BASE) - | lwz TAB:CARG2, 4(BASE) - | blt ->fff_fallback - | checktab CARG4; bne ->fff_fallback - | la CARG3, 8(BASE) - | mr CARG1, L - | bl extern lj_tab_get // (lua_State *L, GCtab *t, cTValue *key) - | // Returns cTValue *. - | lfd FARG1, 0(CRET1) - | b ->fff_resn - | - |//-- Base library: conversions ------------------------------------------ - | - |.ffunc tonumber - | // Only handles the number case inline (without a base argument). - | cmplwi NARGS8:RC, 8 - | lwz CARG1, 0(BASE) - | lfd FARG1, 0(BASE) - | bne ->fff_fallback // Exactly one argument. - | checknum CARG1; bgt ->fff_fallback - | b ->fff_resn - | - |.ffunc_1 tostring - | // Only handles the string or number case inline. - | checkstr CARG3 - | // A __tostring method in the string base metatable is ignored. - | beq ->fff_restv // String key? - | // Handle numbers inline, unless a number base metatable is present. - | lwz TMP0, DISPATCH_GL(gcroot[GCROOT_BASEMT_NUM])(DISPATCH) - | checknum CARG3 - | cmplwi cr1, TMP0, 0 - | stw BASE, L->base // Add frame since C call can throw. - | crorc 4*cr0+eq, 4*cr0+gt, 4*cr1+eq - | stw PC, SAVE_PC // Redundant (but a defined value). - | beq ->fff_fallback - | ffgccheck - | mr CARG1, L - | mr CARG2, BASE - if (LJ_DUALNUM) { - | bl extern lj_str_fromnumber // (lua_State *L, cTValue *o) - } else { - | bl extern lj_str_fromnum // (lua_State *L, lua_Number *np) - } - | // Returns GCstr *. - | li CARG3, LJ_TSTR - | b ->fff_restv - | - |//-- Base library: iterators ------------------------------------------- - | - |.ffunc next - | cmplwi NARGS8:RC, 8 - | lwz CARG1, 0(BASE) - | lwz TAB:CARG2, 4(BASE) - | blt ->fff_fallback - | stwx TISNIL, BASE, NARGS8:RC // Set missing 2nd arg to nil. - | checktab CARG1 - | lwz PC, FRAME_PC(BASE) - | bne ->fff_fallback - | stw BASE, L->base // Add frame since C call can throw. - | mr CARG1, L - | stw BASE, L->top // Dummy frame length is ok. - | la CARG3, 8(BASE) - | stw PC, SAVE_PC - | bl extern lj_tab_next // (lua_State *L, GCtab *t, TValue *key) - | // Returns 0 at end of traversal. - | cmplwi CRET1, 0 - | li CARG3, LJ_TNIL - | beq ->fff_restv // End of traversal: return nil. - | lfd f0, 8(BASE) // Copy key and value to results. - | la RA, -8(BASE) - | lfd f1, 16(BASE) - | stfd f0, 0(RA) - | li RD, (2+1)*8 - | stfd f1, 8(RA) - | b ->fff_res - | - |.ffunc_1 pairs - | checktab CARG3 - | lwz PC, FRAME_PC(BASE) - | bne ->fff_fallback -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | lwz TAB:TMP2, TAB:CARG1->metatable - | lfd f0, CFUNC:RB->upvalue[0] - | cmplwi TAB:TMP2, 0 - | la RA, -8(BASE) - | bne ->fff_fallback -#else - | lfd f0, CFUNC:RB->upvalue[0] - | la RA, -8(BASE) -#endif - | stw TISNIL, 8(BASE) - | li RD, (3+1)*8 - | stfd f0, 0(RA) - | b ->fff_res - | - |.ffunc ipairs_aux - | cmplwi NARGS8:RC, 16 - | lwz CARG3, 0(BASE) - | lwz TAB:CARG1, 4(BASE) - | lwz CARG4, 8(BASE) - if (LJ_DUALNUM) { - | lwz TMP2, 12(BASE) - } else { - | lfd FARG2, 8(BASE) - } - | blt ->fff_fallback - | checktab CARG3 - | checknum cr1, CARG4 - | lwz PC, FRAME_PC(BASE) - if (LJ_DUALNUM) { - | bne ->fff_fallback - | bne cr1, ->fff_fallback - } else { - | lus TMP0, 0x3ff0 - | stw ZERO, TMPD_LO - | bne ->fff_fallback - | stw TMP0, TMPD_HI - | bge cr1, ->fff_fallback - | lfd FARG1, TMPD - | toint TMP2, FARG2, f0 - } - | lwz TMP0, TAB:CARG1->asize - | lwz TMP1, TAB:CARG1->array - if (!LJ_DUALNUM) { - | fadd FARG2, FARG2, FARG1 - } - | addi TMP2, TMP2, 1 - | la RA, -8(BASE) - | cmplw TMP0, TMP2 - if (LJ_DUALNUM) { - | stw TISNUM, 0(RA) - | slwi TMP3, TMP2, 3 - | stw TMP2, 4(RA) - } else { - | slwi TMP3, TMP2, 3 - | stfd FARG2, 0(RA) - } - | ble >2 // Not in array part? - | lwzx TMP2, TMP1, TMP3 - | lfdx f0, TMP1, TMP3 - |1: - | checknil TMP2 - | li RD, (0+1)*8 - | beq ->fff_res // End of iteration, return 0 results. - | li RD, (2+1)*8 - | stfd f0, 8(RA) - | b ->fff_res - |2: // Check for empty hash part first. Otherwise call C function. - | lwz TMP0, TAB:CARG1->hmask - | cmplwi TMP0, 0 - | li RD, (0+1)*8 - | beq ->fff_res - | mr CARG2, TMP2 - | bl extern lj_tab_getinth // (GCtab *t, int32_t key) - | // Returns cTValue * or NULL. - | cmplwi CRET1, 0 - | li RD, (0+1)*8 - | beq ->fff_res - | lwz TMP2, 0(CRET1) - | lfd f0, 0(CRET1) - | b <1 - | - |.ffunc_1 ipairs - | checktab CARG3 - | lwz PC, FRAME_PC(BASE) - | bne ->fff_fallback -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | lwz TAB:TMP2, TAB:CARG1->metatable - | lfd f0, CFUNC:RB->upvalue[0] - | cmplwi TAB:TMP2, 0 - | la RA, -8(BASE) - | bne ->fff_fallback -#else - | lfd f0, CFUNC:RB->upvalue[0] - | la RA, -8(BASE) -#endif - if (LJ_DUALNUM) { - | stw TISNUM, 8(BASE) - } else { - | stw ZERO, 8(BASE) - } - | stw ZERO, 12(BASE) - | li RD, (3+1)*8 - | stfd f0, 0(RA) - | b ->fff_res - | - |//-- Base library: catch errors ---------------------------------------- - | - |.ffunc pcall - | cmplwi NARGS8:RC, 8 - | lbz TMP3, DISPATCH_GL(hookmask)(DISPATCH) - | blt ->fff_fallback - | mr TMP2, BASE - | la BASE, 8(BASE) - | // Remember active hook before pcall. - | rlwinm TMP3, TMP3, 32-HOOK_ACTIVE_SHIFT, 31, 31 - | subi NARGS8:RC, NARGS8:RC, 8 - | addi PC, TMP3, 8+FRAME_PCALL - | b ->vm_call_dispatch - | - |.ffunc xpcall - | cmplwi NARGS8:RC, 16 - | lwz CARG4, 8(BASE) - | lfd FARG2, 8(BASE) - | lwz CARG3, 0(BASE) - | lfd FARG1, 0(BASE) - | blt ->fff_fallback - | lbz TMP1, DISPATCH_GL(hookmask)(DISPATCH) - | mr TMP2, BASE - | checkfunc CARG4; bne ->fff_fallback // Traceback must be a function. - | la BASE, 16(BASE) - | // Remember active hook before pcall. - | rlwinm TMP1, TMP1, 32-HOOK_ACTIVE_SHIFT, 31, 31 - | stfd FARG2, 0(TMP2) // Swap function and traceback. - | subi NARGS8:RC, NARGS8:RC, 16 - | stfd FARG1, 8(TMP2) - | addi PC, TMP1, 16+FRAME_PCALL - | b ->vm_call_dispatch - | - |//-- Coroutine library -------------------------------------------------- - | - |.macro coroutine_resume_wrap, resume - |.if resume - |.ffunc_1 coroutine_resume - | cmpwi CARG3, LJ_TTHREAD; bne ->fff_fallback - |.else - |.ffunc coroutine_wrap_aux - | lwz L:CARG1, CFUNC:RB->upvalue[0].gcr - |.endif - | lbz TMP0, L:CARG1->status - | lwz TMP1, L:CARG1->cframe - | lwz CARG2, L:CARG1->top - | cmplwi cr0, TMP0, LUA_YIELD - | lwz TMP2, L:CARG1->base - | cmplwi cr1, TMP1, 0 - | lwz TMP0, L:CARG1->maxstack - | cmplw cr7, CARG2, TMP2 - | lwz PC, FRAME_PC(BASE) - | crorc 4*cr6+lt, 4*cr0+gt, 4*cr1+eq // st>LUA_YIELD || cframe!=0 - | add TMP2, CARG2, NARGS8:RC - | crandc 4*cr6+gt, 4*cr7+eq, 4*cr0+eq // base==top && st!=LUA_YIELD - | cmplw cr1, TMP2, TMP0 - | cror 4*cr6+lt, 4*cr6+lt, 4*cr6+gt - | stw PC, SAVE_PC - | cror 4*cr6+lt, 4*cr6+lt, 4*cr1+gt // cond1 || cond2 || stackov - | stw BASE, L->base - | blt cr6, ->fff_fallback - |1: - |.if resume - | addi BASE, BASE, 8 // Keep resumed thread in stack for GC. - | subi NARGS8:RC, NARGS8:RC, 8 - | subi TMP2, TMP2, 8 - |.endif - | stw TMP2, L:CARG1->top - | li TMP1, 0 - | stw BASE, L->top - |2: // Move args to coroutine. - | cmpw TMP1, NARGS8:RC - | lfdx f0, BASE, TMP1 - | beq >3 - | stfdx f0, CARG2, TMP1 - | addi TMP1, TMP1, 8 - | b <2 - |3: - | li CARG3, 0 - | mr L:SAVE0, L:CARG1 - | li CARG4, 0 - | bl ->vm_resume // (lua_State *L, TValue *base, 0, 0) - | // Returns thread status. - |4: - | lwz TMP2, L:SAVE0->base - | cmplwi CRET1, LUA_YIELD - | lwz TMP3, L:SAVE0->top - | li_vmstate INTERP - | lwz BASE, L->base - | st_vmstate - | bgt >8 - | sub RD, TMP3, TMP2 - | lwz TMP0, L->maxstack - | cmplwi RD, 0 - | add TMP1, BASE, RD - | beq >6 // No results? - | cmplw TMP1, TMP0 - | li TMP1, 0 - | bgt >9 // Need to grow stack? - | - | subi TMP3, RD, 8 - | stw TMP2, L:SAVE0->top // Clear coroutine stack. - |5: // Move results from coroutine. - | cmplw TMP1, TMP3 - | lfdx f0, TMP2, TMP1 - | stfdx f0, BASE, TMP1 - | addi TMP1, TMP1, 8 - | bne <5 - |6: - | andi. TMP0, PC, FRAME_TYPE - |.if resume - | li TMP1, LJ_TTRUE - | la RA, -8(BASE) - | stw TMP1, -8(BASE) // Prepend true to results. - | addi RD, RD, 16 - |.else - | mr RA, BASE - | addi RD, RD, 8 - |.endif - |7: - | stw PC, SAVE_PC - | mr MULTRES, RD - | beq ->BC_RET_Z - | b ->vm_return - | - |8: // Coroutine returned with error (at co->top-1). - |.if resume - | andi. TMP0, PC, FRAME_TYPE - | la TMP3, -8(TMP3) - | li TMP1, LJ_TFALSE - | lfd f0, 0(TMP3) - | stw TMP3, L:SAVE0->top // Remove error from coroutine stack. - | li RD, (2+1)*8 - | stw TMP1, -8(BASE) // Prepend false to results. - | la RA, -8(BASE) - | stfd f0, 0(BASE) // Copy error message. - | b <7 - |.else - | mr CARG1, L - | mr CARG2, L:SAVE0 - | bl extern lj_ffh_coroutine_wrap_err // (lua_State *L, lua_State *co) - |.endif - | - |9: // Handle stack expansion on return from yield. - | mr CARG1, L - | srwi CARG2, RD, 3 - | bl extern lj_state_growstack // (lua_State *L, int n) - | li CRET1, 0 - | b <4 - |.endmacro - | - | coroutine_resume_wrap 1 // coroutine.resume - | coroutine_resume_wrap 0 // coroutine.wrap - | - |.ffunc coroutine_yield - | lwz TMP0, L->cframe - | add TMP1, BASE, NARGS8:RC - | stw BASE, L->base - | andi. TMP0, TMP0, CFRAME_RESUME - | stw TMP1, L->top - | li CRET1, LUA_YIELD - | beq ->fff_fallback - | stw ZERO, L->cframe - | stb CRET1, L->status - | b ->vm_leave_unw - | - |//-- Math library ------------------------------------------------------- - | - |.ffunc_1 math_abs - | checknum CARG3 - if (LJ_DUALNUM) { - | bne >2 - | srawi TMP1, CARG1, 31 - | xor TMP2, TMP1, CARG1 - | sub. CARG1, TMP2, TMP1 - | blt >1 - |->fff_resi: - | lwz PC, FRAME_PC(BASE) - | la RA, -8(BASE) - | stw TISNUM, -8(BASE) - | stw CRET1, -4(BASE) - | b ->fff_res1 - |1: - | lus CARG3, 0x41e0 // 2^31. - | li CARG1, 0 - | b ->fff_restv - |2: - } - | bge ->fff_fallback - | rlwinm CARG3, CARG3, 0, 1, 31 - | // Fallthrough. - | - |->fff_restv: - | // CARG3/CARG1 = TValue result. - | lwz PC, FRAME_PC(BASE) - | stw CARG3, -8(BASE) - | la RA, -8(BASE) - | stw CARG1, -4(BASE) - |->fff_res1: - | // RA = results, PC = return. - | li RD, (1+1)*8 - |->fff_res: - | // RA = results, RD = (nresults+1)*8, PC = return. - | andi. TMP0, PC, FRAME_TYPE - | mr MULTRES, RD - | bney ->vm_return - | lwz INS, -4(PC) - | decode_RB8 RB, INS - |5: - | cmplw RB, RD // More results expected? - | decode_RA8 TMP0, INS - | bgt >6 - | ins_next1 - | // Adjust BASE. KBASE is assumed to be set for the calling frame. - | sub BASE, RA, TMP0 - | ins_next2 - | - |6: // Fill up results with nil. - | subi TMP1, RD, 8 - | addi RD, RD, 8 - | stwx TISNIL, RA, TMP1 - | b <5 - | - |.macro math_extern, func - | .ffunc_n math_ .. func - | bl extern func - | b ->fff_resn - |.endmacro - | - |.macro math_extern2, func - | .ffunc_nn math_ .. func - | bl extern func - | b ->fff_resn - |.endmacro - | - |.macro math_round, func - | .ffunc_1 math_ .. func - | checknum CARG3; beqy ->fff_restv - | rlwinm TMP2, CARG3, 12, 21, 31 - | bge ->fff_fallback - | addic. TMP2, TMP2, -1023 // exp = exponent(x) - 1023 - | cmplwi cr1, TMP2, 31 // 0 <= exp < 31? - | subfic TMP0, TMP2, 31 - | blt >3 - | slwi TMP1, CARG3, 11 - | srwi TMP3, CARG1, 21 - | oris TMP1, TMP1, 0x8000 - | addi TMP2, TMP2, 1 - | or TMP1, TMP1, TMP3 - | slwi CARG2, CARG1, 11 - | bge cr1, >4 - | slw TMP3, TMP1, TMP2 - | srw CARG1, TMP1, TMP0 - | or TMP3, TMP3, CARG2 - | srawi TMP2, CARG3, 31 - |.if "func" == "floor" - | and TMP1, TMP3, TMP2 - | addic TMP0, TMP1, -1 - | subfe TMP1, TMP0, TMP1 - | add CARG1, CARG1, TMP1 - | xor CARG1, CARG1, TMP2 - | sub CARG1, CARG1, TMP2 - | b ->fff_resi - |.else - | andc TMP1, TMP3, TMP2 - | addic TMP0, TMP1, -1 - | subfe TMP1, TMP0, TMP1 - | addo. CARG1, CARG1, TMP1 - | xor CARG1, CARG1, TMP2 - | sub CARG1, CARG1, TMP2 - | bns ->fff_resi - | // Potential overflow. - | mcrxr cr0; bley ->fff_resi // Ignore unrelated overflow. - | lus CARG3, 0x41e0 // 2^31. - | li CARG1, 0 - | b ->fff_restv - |.endif - |3: // |x| < 1 - | add TMP2, CARG3, CARG3 - | srawi TMP1, CARG3, 31 - | or TMP2, CARG1, TMP2 // ztest = (hi+hi) | lo - |.if "func" == "floor" - | and TMP1, TMP2, TMP1 // (ztest & sign) == 0 ? 0 : -1 - | subfic TMP2, TMP1, 0 - | subfe CARG1, CARG1, CARG1 - |.else - | andc TMP1, TMP2, TMP1 // (ztest & ~sign) == 0 ? 0 : 1 - | addic TMP2, TMP1, -1 - | subfe CARG1, TMP2, TMP1 - |.endif - | b ->fff_resi - |4: // exp >= 31. Check for -(2^31). - | xoris TMP1, TMP1, 0x8000 - | srawi TMP2, CARG3, 31 - |.if "func" == "floor" - | or TMP1, TMP1, CARG2 - |.endif - | orc. TMP1, TMP1, TMP2 - | crand 4*cr0+eq, 4*cr0+eq, 4*cr1+eq - | lus CARG1, 0x8000 // -(2^31). - | beqy ->fff_resi - |5: - | lfd FARG1, 0(BASE) - | bl extern func - | b ->fff_resn - |.endmacro - | - if (LJ_DUALNUM) { - | math_round floor - | math_round ceil - } else { - | // NYI: use internal implementation. - | math_extern floor - | math_extern ceil - } - | - | math_extern sqrt - | math_extern log - | math_extern log10 - | math_extern exp - | math_extern sin - | math_extern cos - | math_extern tan - | math_extern asin - | math_extern acos - | math_extern atan - | math_extern sinh - | math_extern cosh - | math_extern tanh - | math_extern2 pow - | math_extern2 atan2 - | math_extern2 fmod - | - |->ff_math_deg: - |.ffunc_n math_rad - | lfd FARG2, CFUNC:RB->upvalue[0] - | fmul FARG1, FARG1, FARG2 - | b ->fff_resn - | - if (LJ_DUALNUM) { - |.ffunc math_ldexp - | cmplwi NARGS8:RC, 16 - | lwz CARG3, 0(BASE) - | lfd FARG1, 0(BASE) - | lwz CARG4, 8(BASE) - | lwz CARG1, 12(BASE) - | blt ->fff_fallback - | checknum CARG3; bge ->fff_fallback - | checknum CARG4; bne ->fff_fallback - } else { - |.ffunc_nn math_ldexp - | toint CARG1, FARG2 - } - | bl extern ldexp - | b ->fff_resn - | - |.ffunc_n math_frexp - | la CARG1, DISPATCH_GL(tmptv)(DISPATCH) - | lwz PC, FRAME_PC(BASE) - | bl extern frexp - | lwz TMP1, DISPATCH_GL(tmptv)(DISPATCH) - | la RA, -8(BASE) - if (!LJ_DUALNUM) { - | tonum_i FARG2, TMP1 - } - | stfd FARG1, 0(RA) - | li RD, (2+1)*8 - if (LJ_DUALNUM) { - | stw TISNUM, 8(RA) - | stw TMP1, 12(RA) - } else { - | stfd FARG2, 8(RA) - } - | b ->fff_res - | - |.ffunc_n math_modf - | la CARG1, -8(BASE) - | lwz PC, FRAME_PC(BASE) - | bl extern modf - | la RA, -8(BASE) - | stfd FARG1, 0(BASE) - | li RD, (2+1)*8 - | b ->fff_res - | - |.macro math_minmax, name, ismax - ||if (LJ_DUALNUM) { - | .ffunc_1 name - | checknum CARG3 - | addi TMP1, BASE, 8 - | add TMP2, BASE, NARGS8:RC - | bne >4 - |1: // Handle integers. - | lwz CARG4, 0(TMP1) - | cmplw cr1, TMP1, TMP2 - | lwz CARG2, 4(TMP1) - | bge cr1, ->fff_resi - | checknum CARG4 - | xoris TMP0, CARG1, 0x8000 - | xoris TMP3, CARG2, 0x8000 - | bne >3 - | subfc TMP3, TMP3, TMP0 - | subfe TMP0, TMP0, TMP0 - |.if ismax - | andc TMP3, TMP3, TMP0 - |.else - | and TMP3, TMP3, TMP0 - |.endif - | add CARG1, TMP3, CARG2 - | addi TMP1, TMP1, 8 - | b <1 - |3: - | bge ->fff_fallback - | // Convert intermediate result to number and continue below. - | tonum_i FARG1, CARG1 - | lfd FARG2, 0(TMP1) - | b >6 - |4: - | lfd FARG1, 0(BASE) - | bge ->fff_fallback - |5: // Handle numbers. - | lwz CARG4, 0(TMP1) - | cmplw cr1, TMP1, TMP2 - | lfd FARG2, 0(TMP1) - | bge cr1, ->fff_resn - | checknum CARG4; bge >7 - |6: - | fsub f0, FARG1, FARG2 - | addi TMP1, TMP1, 8 - |.if ismax - | fsel FARG1, f0, FARG1, FARG2 - |.else - | fsel FARG1, f0, FARG2, FARG1 - |.endif - | b <5 - |7: // Convert integer to number and continue above. - | lwz CARG2, 4(TMP1) - | bne ->fff_fallback - | tonum_i FARG2, CARG2 - | b <6 - ||} else { - | .ffunc_n name - | li TMP1, 8 - |1: - | lwzx CARG2, BASE, TMP1 - | lfdx FARG2, BASE, TMP1 - | cmplw cr1, TMP1, NARGS8:RC - | checknum CARG2 - | bge cr1, ->fff_resn - | bge ->fff_fallback - | fsub f0, FARG1, FARG2 - | addi TMP1, TMP1, 8 - |.if ismax - | fsel FARG1, f0, FARG1, FARG2 - |.else - | fsel FARG1, f0, FARG2, FARG1 - |.endif - | b <1 - ||} - |.endmacro - | - | math_minmax math_min, 0 - | math_minmax math_max, 1 - | - |//-- String library ----------------------------------------------------- - | - |.ffunc_1 string_len - | checkstr CARG3; bne ->fff_fallback - | lwz CRET1, STR:CARG1->len - | b ->fff_resi - | - |.ffunc string_byte // Only handle the 1-arg case here. - | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) - | lwz STR:CARG1, 4(BASE) - | bne ->fff_fallback // Need exactly 1 argument. - | checkstr CARG3 - | bne ->fff_fallback - | lwz TMP0, STR:CARG1->len - if (LJ_DUALNUM) { - | lbz CARG1, STR:CARG1[1] // Access is always ok (NUL at end). - | li RD, (0+1)*8 - | lwz PC, FRAME_PC(BASE) - | cmplwi TMP0, 0 - | la RA, -8(BASE) - | beqy ->fff_res - | b ->fff_resi - } else { - | lbz TMP1, STR:CARG1[1] // Access is always ok (NUL at end). - | addic TMP3, TMP0, -1 // RD = ((str->len != 0)+1)*8 - | subfe RD, TMP3, TMP0 - | stw TMP1, TONUM_LO // Inlined tonum_u f0, TMP1. - | addi RD, RD, 1 - | lfd f0, TONUM_D - | la RA, -8(BASE) - | lwz PC, FRAME_PC(BASE) - | fsub f0, f0, TOBIT - | slwi RD, RD, 3 - | stfd f0, 0(RA) - | b ->fff_res - } - | - |.ffunc string_char // Only handle the 1-arg case here. - | ffgccheck - | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) - if (LJ_DUALNUM) { - | lwz TMP0, 4(BASE) - | bne ->fff_fallback // Exactly 1 argument. - | checknum CARG3; bne ->fff_fallback - | la CARG2, 7(BASE) - } else { - | lfd FARG1, 0(BASE) - | bne ->fff_fallback // Exactly 1 argument. - | checknum CARG3; bge ->fff_fallback - | toint TMP0, FARG1 - | la CARG2, TMPD_BLO - } - | li CARG3, 1 - | cmplwi TMP0, 255; bgt ->fff_fallback - |->fff_newstr: - | mr CARG1, L - | stw BASE, L->base - | stw PC, SAVE_PC - | bl extern lj_str_new // (lua_State *L, char *str, size_t l) - | // Returns GCstr *. - | lwz BASE, L->base - | li CARG3, LJ_TSTR - | b ->fff_restv - | - |.ffunc string_sub - | ffgccheck - | cmplwi NARGS8:RC, 16 - | lwz CARG3, 16(BASE) - if (!LJ_DUALNUM) { - | lfd f0, 16(BASE) - } - | lwz TMP0, 0(BASE) - | lwz STR:CARG1, 4(BASE) - | blt ->fff_fallback - | lwz CARG2, 8(BASE) - if (LJ_DUALNUM) { - | lwz TMP1, 12(BASE) - } else { - | lfd f1, 8(BASE) - } - | li TMP2, -1 - | beq >1 - if (LJ_DUALNUM) { - | checknum CARG3 - | lwz TMP2, 20(BASE) - | bne ->fff_fallback - |1: - | checknum CARG2; bne ->fff_fallback - } else { - | checknum CARG3; bge ->fff_fallback - | toint TMP2, f0 - |1: - | checknum CARG2; bge ->fff_fallback - } - | checkstr TMP0; bne ->fff_fallback - if (!LJ_DUALNUM) { - | toint TMP1, f1 - } - | lwz TMP0, STR:CARG1->len - | cmplw TMP0, TMP2 // len < end? (unsigned compare) - | addi TMP3, TMP2, 1 - | blt >5 - |2: - | cmpwi TMP1, 0 // start <= 0? - | add TMP3, TMP1, TMP0 - | ble >7 - |3: - | sub CARG3, TMP2, TMP1 - | addi CARG2, STR:CARG1, #STR-1 - | srawi TMP0, CARG3, 31 - | addi CARG3, CARG3, 1 - | add CARG2, CARG2, TMP1 - | andc CARG3, CARG3, TMP0 - | b ->fff_newstr - | - |5: // Negative end or overflow. - | sub CARG2, TMP0, TMP2 - | srawi CARG2, CARG2, 31 - | andc TMP3, TMP3, CARG2 // end = end > len ? len : end+len+1 - | add TMP2, TMP0, TMP3 - | b <2 - | - |7: // Negative start or underflow. - | addic CARG3, TMP1, -1 - | subfe CARG3, CARG3, CARG3 - | srawi CARG2, TMP3, 31 // Note: modifies carry. - | andc TMP3, TMP3, CARG3 - | andc TMP1, TMP3, CARG2 - | addi TMP1, TMP1, 1 // start = 1 + (start ? start+len : 0) - | b <3 - | - |.ffunc string_rep // Only handle the 1-char case inline. - | ffgccheck - | cmplwi NARGS8:RC, 16 - | lwz TMP0, 0(BASE) - | lwz STR:CARG1, 4(BASE) - | lwz CARG4, 8(BASE) - if (LJ_DUALNUM) { - | lwz CARG3, 12(BASE) - } else { - | lfd FARG2, 8(BASE) - } - | blt ->fff_fallback - | checkstr TMP0; bne ->fff_fallback - if (LJ_DUALNUM) { - | checknum CARG4; bne ->fff_fallback - } else { - | checknum CARG4; bge ->fff_fallback - | toint CARG3, FARG2 - } - | lwz TMP0, STR:CARG1->len - | cmpwi CARG3, 0 - | lwz TMP1, DISPATCH_GL(tmpbuf.sz)(DISPATCH) - | ble >2 // Count <= 0? (or non-int) - | cmplwi TMP0, 1 - | subi TMP2, CARG3, 1 - | blt >2 // Zero length string? - | cmplw cr1, TMP1, CARG3 - | bne ->fff_fallback // Fallback for > 1-char strings. - | lbz TMP0, STR:CARG1[1] - | lwz CARG2, DISPATCH_GL(tmpbuf.buf)(DISPATCH) - | blt cr1, ->fff_fallback - |1: // Fill buffer with char. Yes, this is suboptimal code (do you care?). - | cmplwi TMP2, 0 - | stbx TMP0, CARG2, TMP2 - | subi TMP2, TMP2, 1 - | bne <1 - | b ->fff_newstr - |2: // Return empty string. - | la STR:CARG1, DISPATCH_GL(strempty)(DISPATCH) - | li CARG3, LJ_TSTR - | b ->fff_restv - | - |.ffunc string_reverse - | ffgccheck - | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) - | lwz STR:CARG1, 4(BASE) - | blt ->fff_fallback - | checkstr CARG3 - | lwz TMP1, DISPATCH_GL(tmpbuf.sz)(DISPATCH) - | bne ->fff_fallback - | lwz CARG3, STR:CARG1->len - | la CARG1, #STR(STR:CARG1) - | lwz CARG2, DISPATCH_GL(tmpbuf.buf)(DISPATCH) - | li TMP2, 0 - | cmplw TMP1, CARG3 - | subi TMP3, CARG3, 1 - | blt ->fff_fallback - |1: // Reverse string copy. - | cmpwi TMP3, 0 - | lbzx TMP1, CARG1, TMP2 - | blty ->fff_newstr - | stbx TMP1, CARG2, TMP3 - | subi TMP3, TMP3, 1 - | addi TMP2, TMP2, 1 - | b <1 - | - |.macro ffstring_case, name, lo - | .ffunc name - | ffgccheck - | cmplwi NARGS8:RC, 8 - | lwz CARG3, 0(BASE) - | lwz STR:CARG1, 4(BASE) - | blt ->fff_fallback - | checkstr CARG3 - | lwz TMP1, DISPATCH_GL(tmpbuf.sz)(DISPATCH) - | bne ->fff_fallback - | lwz CARG3, STR:CARG1->len - | la CARG1, #STR(STR:CARG1) - | lwz CARG2, DISPATCH_GL(tmpbuf.buf)(DISPATCH) - | cmplw TMP1, CARG3 - | li TMP2, 0 - | blt ->fff_fallback - |1: // ASCII case conversion. - | cmplw TMP2, CARG3 - | lbzx TMP1, CARG1, TMP2 - | bgey ->fff_newstr - | subi TMP0, TMP1, lo - | xori TMP3, TMP1, 0x20 - | addic TMP0, TMP0, -26 - | subfe TMP3, TMP3, TMP3 - | andi. TMP3, TMP3, 0x20 - | xor TMP1, TMP1, TMP3 - | stbx TMP1, CARG2, TMP2 - | addi TMP2, TMP2, 1 - | b <1 - |.endmacro - | - |ffstring_case string_lower, 65 - |ffstring_case string_upper, 97 - | - |//-- Table library ------------------------------------------------------ - | - |.ffunc_1 table_getn - | checktab CARG3; bne ->fff_fallback - | bl extern lj_tab_len // (GCtab *t) - | // Returns uint32_t (but less than 2^31). - | b ->fff_resi - | - |//-- Bit library -------------------------------------------------------- - | - |.macro .ffunc_bit, name - ||if (LJ_DUALNUM) { - | .ffunc_1 bit_..name - | checknum CARG3; bnel ->fff_tobit_fb - ||} else { - | .ffunc_n bit_..name - | fadd FARG1, FARG1, TOBIT - | stfd FARG1, TMPD - | lwz CARG1, TMPD_LO - ||} - |.endmacro - | - |.macro .ffunc_bit_op, name, ins - | .ffunc_bit name - | addi TMP1, BASE, 8 - | add TMP2, BASE, NARGS8:RC - |1: - | lwz CARG4, 0(TMP1) - | cmplw cr1, TMP1, TMP2 - ||if (LJ_DUALNUM) { - | lwz CARG2, 4(TMP1) - ||} else { - | lfd FARG1, 0(TMP1) - ||} - | bgey cr1, ->fff_resi - | checknum CARG4 - ||if (LJ_DUALNUM) { - | bnel ->fff_bitop_fb - ||} else { - | fadd FARG1, FARG1, TOBIT - | bge ->fff_fallback - | stfd FARG1, TMPD - | lwz CARG2, TMPD_LO - ||} - | ins CARG1, CARG1, CARG2 - | addi TMP1, TMP1, 8 - | b <1 - |.endmacro - | - |.ffunc_bit_op band, and - |.ffunc_bit_op bor, or - |.ffunc_bit_op bxor, xor - | - |.ffunc_bit bswap - | rotlwi TMP0, CARG1, 8 - | rlwimi TMP0, CARG1, 24, 0, 7 - | rlwimi TMP0, CARG1, 24, 16, 23 - | mr CRET1, TMP0 - | b ->fff_resi - | - |.ffunc_bit bnot - | not CRET1, CARG1 - | b ->fff_resi - | - |.macro .ffunc_bit_sh, name, ins, shmod - ||if (LJ_DUALNUM) { - | .ffunc_2 bit_..name - | checknum CARG3; bnel ->fff_tobit_fb - | // Note: no inline conversion from number for 2nd argument! - | checknum CARG4; bne ->fff_fallback - ||} else { - | .ffunc_nn bit_..name - | fadd FARG1, FARG1, TOBIT - | fadd FARG2, FARG2, TOBIT - | stfd FARG1, TMPD - | lwz CARG1, TMPD_LO - | stfd FARG2, TMPD - | lwz CARG2, TMPD_LO - ||} - |.if shmod == 1 - | rlwinm CARG2, CARG2, 0, 27, 31 - |.elif shmod == 2 - | neg CARG2, CARG2 - |.endif - | ins CRET1, CARG1, CARG2 - | b ->fff_resi - |.endmacro - | - |.ffunc_bit_sh lshift, slw, 1 - |.ffunc_bit_sh rshift, srw, 1 - |.ffunc_bit_sh arshift, sraw, 1 - |.ffunc_bit_sh rol, rotlw, 0 - |.ffunc_bit_sh ror, rotlw, 2 - | - |.ffunc_bit tobit - if (LJ_DUALNUM) { - | b ->fff_resi - } else { - |->fff_resi: - | tonum_i FARG1, CRET1 - } - |->fff_resn: - | lwz PC, FRAME_PC(BASE) - | la RA, -8(BASE) - | stfd FARG1, -8(BASE) - | b ->fff_res1 - | - |// Fallback FP number to bit conversion. - |->fff_tobit_fb: - if (LJ_DUALNUM) { - | lfd FARG1, 0(BASE) - | bgt ->fff_fallback - | fadd FARG1, FARG1, TOBIT - | stfd FARG1, TMPD - | lwz CARG1, TMPD_LO - | blr - } - |->fff_bitop_fb: - if (LJ_DUALNUM) { - | lfd FARG1, 0(TMP1) - | bgt ->fff_fallback - | fadd FARG1, FARG1, TOBIT - | stfd FARG1, TMPD - | lwz CARG2, TMPD_LO - | blr - } - | - |//----------------------------------------------------------------------- - | - |->fff_fallback: // Call fast function fallback handler. - | // BASE = new base, RB = CFUNC, RC = nargs*8 - | lwz TMP3, CFUNC:RB->f - | add TMP1, BASE, NARGS8:RC - | lwz PC, FRAME_PC(BASE) // Fallback may overwrite PC. - | addi TMP0, TMP1, 8*LUA_MINSTACK - | lwz TMP2, L->maxstack - | stw PC, SAVE_PC // Redundant (but a defined value). - | cmplw TMP0, TMP2 - | stw BASE, L->base - | stw TMP1, L->top - | mr CARG1, L - | bgt >5 // Need to grow stack. - | mtctr TMP3 - | bctrl // (lua_State *L) - | // Either throws an error, or recovers and returns -1, 0 or nresults+1. - | lwz BASE, L->base - | cmpwi CRET1, 0 - | slwi RD, CRET1, 3 - | la RA, -8(BASE) - | bgt ->fff_res // Returned nresults+1? - |1: // Returned 0 or -1: retry fast path. - | lwz TMP0, L->top - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | sub NARGS8:RC, TMP0, BASE - | bne ->vm_call_tail // Returned -1? - | ins_callt // Returned 0: retry fast path. - | - |// Reconstruct previous base for vmeta_call during tailcall. - |->vm_call_tail: - | andi. TMP0, PC, FRAME_TYPE - | rlwinm TMP1, PC, 0, 0, 28 - | bne >3 - | lwz INS, -4(PC) - | decode_RA8 TMP1, INS - |3: - | sub TMP2, BASE, TMP1 - | b ->vm_call_dispatch // Resolve again for tailcall. - | - |5: // Grow stack for fallback handler. - | li CARG2, LUA_MINSTACK - | bl extern lj_state_growstack // (lua_State *L, int n) - | lwz BASE, L->base - | cmpw TMP0, TMP0 // Set 4*cr0+eq to force retry. - | b <1 - | - |->fff_gcstep: // Call GC step function. - | // BASE = new base, RC = nargs*8 - | mflr SAVE0 - | stw BASE, L->base - | add TMP0, BASE, NARGS8:RC - | stw PC, SAVE_PC // Redundant (but a defined value). - | stw TMP0, L->top - | mr CARG1, L - | bl extern lj_gc_step // (lua_State *L) - | lwz BASE, L->base - | mtlr SAVE0 - | lwz TMP0, L->top - | sub NARGS8:RC, TMP0, BASE - | lwz CFUNC:RB, FRAME_FUNC(BASE) - | blr - | - |//----------------------------------------------------------------------- - |//-- Special dispatch targets ------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_record: // Dispatch target for recording phase. -#if LJ_HASJIT - | lbz TMP3, DISPATCH_GL(hookmask)(DISPATCH) - | andi. TMP0, TMP3, HOOK_VMEVENT // No recording while in vmevent. - | bne >5 - | // Decrement the hookcount for consistency, but always do the call. - | lwz TMP2, DISPATCH_GL(hookcount)(DISPATCH) - | andi. TMP0, TMP3, HOOK_ACTIVE - | bne >1 - | subi TMP2, TMP2, 1 - | andi. TMP0, TMP3, LUA_MASKLINE|LUA_MASKCOUNT - | beqy >1 - | stw TMP2, DISPATCH_GL(hookcount)(DISPATCH) - | b >1 -#endif - | - |->vm_rethook: // Dispatch target for return hooks. - | lbz TMP3, DISPATCH_GL(hookmask)(DISPATCH) - | andi. TMP0, TMP3, HOOK_ACTIVE // Hook already active? - | beq >1 - |5: // Re-dispatch to static ins. - | addi TMP1, TMP1, GG_DISP2STATIC // Assumes decode_OP4 TMP1, INS. - | lwzx TMP0, DISPATCH, TMP1 - | mtctr TMP0 - | bctr - | - |->vm_inshook: // Dispatch target for instr/line hooks. - | lbz TMP3, DISPATCH_GL(hookmask)(DISPATCH) - | lwz TMP2, DISPATCH_GL(hookcount)(DISPATCH) - | andi. TMP0, TMP3, HOOK_ACTIVE // Hook already active? - | rlwinm TMP0, TMP3, 31-LUA_HOOKLINE, 31, 0 - | bne <5 - | - | cmpwi cr1, TMP0, 0 - | addic. TMP2, TMP2, -1 - | beq cr1, <5 - | stw TMP2, DISPATCH_GL(hookcount)(DISPATCH) - | beq >1 - | bge cr1, <5 - |1: - | mr CARG1, L - | stw MULTRES, SAVE_MULTRES - | mr CARG2, PC - | stw BASE, L->base - | // SAVE_PC must hold the _previous_ PC. The callee updates it with PC. - | bl extern lj_dispatch_ins // (lua_State *L, const BCIns *pc) - |3: - | lwz BASE, L->base - |4: // Re-dispatch to static ins. - | lwz INS, -4(PC) - | decode_OP4 TMP1, INS - | decode_RB8 RB, INS - | addi TMP1, TMP1, GG_DISP2STATIC - | decode_RD8 RD, INS - | lwzx TMP0, DISPATCH, TMP1 - | decode_RA8 RA, INS - | decode_RC8 RC, INS - | mtctr TMP0 - | bctr - | - |->cont_hook: // Continue from hook yield. - | addi PC, PC, 4 - | lwz MULTRES, -20(RB) // Restore MULTRES for *M ins. - | b <4 - | - |->vm_hotloop: // Hot loop counter underflow. -#if LJ_HASJIT - | lwz LFUNC:TMP1, FRAME_FUNC(BASE) - | addi CARG1, DISPATCH, GG_DISP2J - | stw PC, SAVE_PC - | lwz TMP1, LFUNC:TMP1->pc - | mr CARG2, PC - | stw L, DISPATCH_J(L)(DISPATCH) - | lbz TMP1, PC2PROTO(framesize)(TMP1) - | stw BASE, L->base - | slwi TMP1, TMP1, 3 - | add TMP1, BASE, TMP1 - | stw TMP1, L->top - | bl extern lj_trace_hot // (jit_State *J, const BCIns *pc) - | b <3 -#endif - | - |->vm_callhook: // Dispatch target for call hooks. - | mr CARG2, PC -#if LJ_HASJIT - | b >1 -#endif - | - |->vm_hotcall: // Hot call counter underflow. -#if LJ_HASJIT - | ori CARG2, PC, 1 - |1: -#endif - | add TMP0, BASE, RC - | stw PC, SAVE_PC - | mr CARG1, L - | stw BASE, L->base - | sub RA, RA, BASE - | stw TMP0, L->top - | bl extern lj_dispatch_call // (lua_State *L, const BCIns *pc) - | // Returns ASMFunction. - | lwz BASE, L->base - | lwz TMP0, L->top - | stw ZERO, SAVE_PC // Invalidate for subsequent line hook. - | sub NARGS8:RC, TMP0, BASE - | add RA, BASE, RA - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | lwz INS, -4(PC) - | mtctr CRET1 - | bctr - | - |//----------------------------------------------------------------------- - |//-- Trace exit handler ------------------------------------------------- - |//----------------------------------------------------------------------- - | - |.macro savex_, a, b, c, d - | stfd f..a, 16+a*8(sp) - | stfd f..b, 16+b*8(sp) - | stfd f..c, 16+c*8(sp) - | stfd f..d, 16+d*8(sp) - |.endmacro - | - |->vm_exit_handler: -#if LJ_HASJIT - | addi sp, sp, -(16+32*8+32*4) - | stmw r2, 16+32*8+2*4(sp) - | addi DISPATCH, JGL, -GG_DISP2G-32768 - | li CARG2, ~LJ_VMST_EXIT - | lwz CARG1, 16+32*8+32*4(sp) // Get stack chain. - | stw CARG2, DISPATCH_GL(vmstate)(DISPATCH) - | savex_ 0,1,2,3 - | stw CARG1, 0(sp) // Store extended stack chain. - | mcrxr cr0 // Clear SO flag. - | savex_ 4,5,6,7 - | addi CARG2, sp, 16+32*8+32*4 // Recompute original value of sp. - | savex_ 8,9,10,11 - | stw CARG2, 16+32*8+1*4(sp) // Store sp in RID_SP. - | savex_ 12,13,14,15 - | mflr CARG3 - | li TMP1, 0 - | savex_ 16,17,18,19 - | stw TMP1, 16+32*8+0*4(sp) // Clear RID_TMP. - | savex_ 20,21,22,23 - | lhz CARG4, 2(CARG3) // Load trace number. - | savex_ 24,25,26,27 - | lwz L, DISPATCH_GL(jit_L)(DISPATCH) - | savex_ 28,29,30,31 - | sub CARG3, TMP0, CARG3 // Compute exit number. - | lwz BASE, DISPATCH_GL(jit_base)(DISPATCH) - | srwi CARG3, CARG3, 2 - | stw L, DISPATCH_J(L)(DISPATCH) - | subi CARG3, CARG3, 2 - | stw TMP1, DISPATCH_GL(jit_L)(DISPATCH) - | stw CARG4, DISPATCH_J(parent)(DISPATCH) - | stw BASE, L->base - | addi CARG1, DISPATCH, GG_DISP2J - | stw CARG3, DISPATCH_J(exitno)(DISPATCH) - | addi CARG2, sp, 16 - | bl extern lj_trace_exit // (jit_State *J, ExitState *ex) - | // Returns MULTRES (unscaled) or negated error code. - | lwz TMP1, L->cframe - | lwz TMP2, 0(sp) - | lwz BASE, L->base - | rlwinm sp, TMP1, 0, 0, 29 - | lwz PC, SAVE_PC // Get SAVE_PC. - | stw TMP2, 0(sp) - | stw L, SAVE_L // Set SAVE_L (on-trace resume/yield). - | b >1 -#endif - |->vm_exit_interp: -#if LJ_HASJIT - | // CARG1 = MULTRES or negated error code, BASE, PC and JGL set. - | lwz L, SAVE_L - | addi DISPATCH, JGL, -GG_DISP2G-32768 - |1: - | cmpwi CARG1, 0 - | blt >3 // Check for error from exit. - | lwz LFUNC:TMP1, FRAME_FUNC(BASE) - | slwi MULTRES, CARG1, 3 - | li TMP2, 0 - | stw MULTRES, SAVE_MULTRES - | lwz TMP1, LFUNC:TMP1->pc - | stw TMP2, DISPATCH_GL(jit_L)(DISPATCH) - | lwz KBASE, PC2PROTO(k)(TMP1) - | // Setup type comparison constants. - | li TISNUM, LJ_TISNUM - | lus TMP3, 0x59c0 // TOBIT = 2^52 + 2^51 (float). - | stw TMP3, TMPD - | li ZERO, 0 - | ori TMP3, TMP3, 0x0004 // TONUM = 2^52 + 2^51 + 2^31 (float). - | lfs TOBIT, TMPD - | stw TMP3, TMPD - | lus TMP0, 0x4338 // Hiword of 2^52 + 2^51 (double) - | li TISNIL, LJ_TNIL - | stw TMP0, TONUM_HI - | lfs TONUM, TMPD - | // Modified copy of ins_next which handles function header dispatch, too. - | lwz INS, 0(PC) - | addi PC, PC, 4 - | // Assumes TISNIL == ~LJ_VMST_INTERP == -1. - | stw TISNIL, DISPATCH_GL(vmstate)(DISPATCH) - | decode_OP4 TMP1, INS - | decode_RA8 RA, INS - | lwzx TMP0, DISPATCH, TMP1 - | mtctr TMP0 - | cmplwi TMP1, BC_FUNCF*4 // Function header? - | bge >2 - | decode_RB8 RB, INS - | decode_RD8 RD, INS - | decode_RC8 RC, INS - | bctr - |2: - | subi RC, MULTRES, 8 - | add RA, RA, BASE - | bctr - | - |3: // Rethrow error from the right C frame. - | neg CARG2, CARG1 - | mr CARG1, L - | bl extern lj_err_throw // (lua_State *L, int errcode) -#endif - | - |//----------------------------------------------------------------------- - |//-- Math helper functions ---------------------------------------------- - |//----------------------------------------------------------------------- - | - | // NYI: Use internal implementation. - |->vm_floor: - | b extern floor - |->vm_ceil: - | b extern ceil - |->vm_trunc: -#if LJ_HASJIT - | b extern trunc -#endif - | - |->vm_modi: - | divwo. TMP0, CARG1, CARG2 - | bso >1 - | xor. CARG3, CARG1, CARG2 - | mullw TMP0, TMP0, CARG2 - | sub CARG1, CARG1, TMP0 - | bgelr - | cmpwi CARG1, 0; beqlr - | add CARG1, CARG1, CARG2 - | blr - |1: - | cmpwi CARG2, 0 - | li CARG1, 0 - | beqlr - | mcrxr cr0 // Clear SO for -2147483648 % -1 and return 0. - | blr - | - |// Callable from C: double lj_vm_foldarith(double x, double y, int op) - |// Compute x op y for basic arithmetic operators (+ - * / % ^ and unary -) - |// and basic math functions. ORDER ARITH - |->vm_foldarith: - | cmplwi CARG1, 1 - | beq >1; bgt >2 - | fadd FARG1, FARG1, FARG2; blr - |1: - | fsub FARG1, FARG1, FARG2; blr - |2: - | cmplwi CARG1, 3; beq >1; bgt >2 - | fmul FARG1, FARG1, FARG2; blr - |1: - | fdiv FARG1, FARG1, FARG2; blr - |2: - | cmplwi CARG1, 5; beq >1; bgt >2 - | // NYI: Use internal implementation of floor and avoid spills. - | stwu sp, -32(sp); stfd f14, 16(sp); stfd f15, 24(sp) - | mflr r0 - | fmr f14, FARG1 - | fdiv FARG1, FARG1, FARG2 - | stw r0, 36(sp) - | fmr f15, FARG2 - | bl extern floor - | lwz r0, 36(sp) - | fmul FARG1, FARG1, f15 - | mtlr r0 - | fsub FARG1, f14, FARG1 - | lfd f14, 16(sp); lfd f15, 24(sp); addi sp, sp, 32; blr - |1: - | b extern pow - |2: - | cmplwi CARG1, 7; beq >1; bgt >2 - | fneg FARG1, FARG1; blr - |1: - | fabs FARG1, FARG1; blr - |2: -#if LJ_HASJIT - | cmplwi CARG1, 9; beq >9; bgt >2 - | b extern atan2 - | // No support needed for IR_LDEXP. - |2: - | cmplwi CARG1, 11; bgt >9 - | fsub f0, FARG1, FARG2 - | beq >1 - | fsel FARG1, f0, FARG2, FARG1 // IR_MAX - | blr - |1: - | fsel FARG1, f0, FARG1, FARG2 // IR_MIN - | blr - |9: - | NYI // Bad op. -#else - | NYI // Other operations only needed by JIT compiler. -#endif - | - |//----------------------------------------------------------------------- - |//-- Miscellaneous functions -------------------------------------------- - |//----------------------------------------------------------------------- - | - |//----------------------------------------------------------------------- - |//-- FFI helper functions ----------------------------------------------- - |//----------------------------------------------------------------------- - | - |// Handler for callback functions. Callback slot number in r11, g in r12. - |->vm_ffi_callback: -#if LJ_HASFFI - |.type CTSTATE, CTState, PC - | saveregs - | lwz CTSTATE, GL:r12->ctype_state - | addi DISPATCH, r12, GG_G2DISP - | stw r11, CTSTATE->cb.slot - | stw r3, CTSTATE->cb.gpr[0] - | stfd f1, CTSTATE->cb.fpr[0] - | stw r4, CTSTATE->cb.gpr[1] - | stfd f2, CTSTATE->cb.fpr[1] - | stw r5, CTSTATE->cb.gpr[2] - | stfd f3, CTSTATE->cb.fpr[2] - | stw r6, CTSTATE->cb.gpr[3] - | stfd f4, CTSTATE->cb.fpr[3] - | stw r7, CTSTATE->cb.gpr[4] - | stfd f5, CTSTATE->cb.fpr[4] - | stw r8, CTSTATE->cb.gpr[5] - | stfd f6, CTSTATE->cb.fpr[5] - | stw r9, CTSTATE->cb.gpr[6] - | stfd f7, CTSTATE->cb.fpr[6] - | stw r10, CTSTATE->cb.gpr[7] - | stfd f8, CTSTATE->cb.fpr[7] - | addi TMP0, sp, CFRAME_SPACE+8 - | stw TMP0, CTSTATE->cb.stack - | mr CARG1, CTSTATE - | stw CTSTATE, SAVE_PC // Any value outside of bytecode is ok. - | mr CARG2, sp - | bl extern lj_ccallback_enter // (CTState *cts, void *cf) - | // Returns lua_State *. - | lwz BASE, L:CRET1->base - | li TISNUM, LJ_TISNUM // Setup type comparison constants. - | lwz RC, L:CRET1->top - | lus TMP3, 0x59c0 // TOBIT = 2^52 + 2^51 (float). - | li ZERO, 0 - | mr L, CRET1 - | stw TMP3, TMPD - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | ori TMP3, TMP3, 0x0004 // TONUM = 2^52 + 2^51 + 2^31 (float). - | li TISNIL, LJ_TNIL - | li_vmstate INTERP - | lfs TOBIT, TMPD - | stw TMP3, TMPD - | sub RC, RC, BASE - | st_vmstate - | lfs TONUM, TMPD - | ins_callt -#endif - | - |->cont_ffi_callback: // Return from FFI callback. -#if LJ_HASFFI - | lwz CTSTATE, DISPATCH_GL(ctype_state)(DISPATCH) - | stw BASE, L->base - | stw RB, L->top - | stw L, CTSTATE->L - | mr CARG1, CTSTATE - | mr CARG2, RA - | bl extern lj_ccallback_leave // (CTState *cts, TValue *o) - | lwz CRET1, CTSTATE->cb.gpr[0] - | lfd FARG1, CTSTATE->cb.fpr[0] - | lwz CRET2, CTSTATE->cb.gpr[1] - | b ->vm_leave_unw -#endif - | - |->vm_ffi_call: // Call C function via FFI. - | // Caveat: needs special frame unwinding, see below. -#if LJ_HASFFI - | .type CCSTATE, CCallState, CARG1 - | lwz TMP1, CCSTATE->spadj - | mflr TMP0 - | lbz CARG2, CCSTATE->nsp - | lbz CARG3, CCSTATE->nfpr - | neg TMP1, TMP1 - | stw TMP0, 4(sp) - | cmpwi cr1, CARG3, 0 - | mr TMP2, sp - | addic. CARG2, CARG2, -1 - | stwux sp, sp, TMP1 - | crnot 4*cr1+eq, 4*cr1+eq // For vararg calls. - | stw r14, -4(TMP2) - | li TMP3, 0 - | stw CCSTATE, -8(TMP2) - | mr r14, TMP2 - | la TMP1, CCSTATE->stack - | slwi CARG2, CARG2, 2 - | blty >2 - | la TMP2, 8(sp) - |1: - | lwzx TMP0, TMP1, CARG2 - | stwx TMP0, TMP2, CARG2 - | addic. CARG2, CARG2, -4 - | bge <1 - |2: - | bney cr1, >3 - | lfd f1, CCSTATE->fpr[0] - | lfd f2, CCSTATE->fpr[1] - | lfd f3, CCSTATE->fpr[2] - | lfd f4, CCSTATE->fpr[3] - | lfd f5, CCSTATE->fpr[4] - | lfd f6, CCSTATE->fpr[5] - | lfd f7, CCSTATE->fpr[6] - | lfd f8, CCSTATE->fpr[7] - |3: - | lwz TMP0, CCSTATE->func - | lwz CARG2, CCSTATE->gpr[1] - | lwz CARG3, CCSTATE->gpr[2] - | lwz CARG4, CCSTATE->gpr[3] - | lwz CARG5, CCSTATE->gpr[4] - | mtctr TMP0 - | lwz r8, CCSTATE->gpr[5] - | lwz r9, CCSTATE->gpr[6] - | lwz r10, CCSTATE->gpr[7] - | lwz CARG1, CCSTATE->gpr[0] // Do this last, since CCSTATE is CARG1. - | bctrl - | lwz CCSTATE:TMP1, -8(r14) - | lwz TMP2, -4(r14) - | lwz TMP0, 4(r14) - | stw CARG1, CCSTATE:TMP1->gpr[0] - | stfd FARG1, CCSTATE:TMP1->fpr[0] - | stw CARG2, CCSTATE:TMP1->gpr[1] - | mtlr TMP0 - | stw CARG3, CCSTATE:TMP1->gpr[2] - | mr sp, r14 - | stw CARG4, CCSTATE:TMP1->gpr[3] - | mr r14, TMP2 - | blr -#endif - |// Note: vm_ffi_call must be the last function in this object file! - | - |//----------------------------------------------------------------------- -} - -/* Generate the code for a single instruction. */ -static void build_ins(BuildCtx *ctx, BCOp op, int defop) -{ - int vk = 0; - |=>defop: - - switch (op) { - - /* -- Comparison ops ---------------------------------------------------- */ - - /* Remember: all ops branch for a true comparison, fall through otherwise. */ - - case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: - | // RA = src1*8, RD = src2*8, JMP with RD = target - if (LJ_DUALNUM) { - | lwzux TMP0, RA, BASE - | addi PC, PC, 4 - | lwz CARG2, 4(RA) - | lwzux TMP1, RD, BASE - | lwz TMP2, -4(PC) - | checknum cr0, TMP0 - | lwz CARG3, 4(RD) - | decode_RD4 TMP2, TMP2 - | checknum cr1, TMP1 - | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) - | bne cr0, >7 - | bne cr1, >8 - | cmpw CARG2, CARG3 - if (op == BC_ISLT) { - | bge >2 - } else if (op == BC_ISGE) { - | blt >2 - } else if (op == BC_ISLE) { - | bgt >2 - } else { - | ble >2 - } - |1: - | add PC, PC, TMP2 - |2: - | ins_next - | - |7: // RA is not an integer. - | bgt cr0, ->vmeta_comp - | // RA is a number. - | lfd f0, 0(RA) - | bgt cr1, ->vmeta_comp - | blt cr1, >4 - | // RA is a number, RD is an integer. - | tonum_i f1, CARG3 - | b >5 - | - |8: // RA is an integer, RD is not an integer. - | bgt cr1, ->vmeta_comp - | // RA is an integer, RD is a number. - | tonum_i f0, CARG2 - |4: - | lfd f1, 0(RD) - |5: - | fcmpu cr0, f0, f1 - if (op == BC_ISLT) { - | bge <2 - } else if (op == BC_ISGE) { - | blt <2 - } else if (op == BC_ISLE) { - | cror 4*cr0+lt, 4*cr0+lt, 4*cr0+eq - | bge <2 - } else { - | cror 4*cr0+lt, 4*cr0+lt, 4*cr0+eq - | blt <2 - } - | b <1 - } else { - | lwzx TMP0, BASE, RA - | addi PC, PC, 4 - | lfdx f0, BASE, RA - | lwzx TMP1, BASE, RD - | checknum cr0, TMP0 - | lwz TMP2, -4(PC) - | lfdx f1, BASE, RD - | checknum cr1, TMP1 - | decode_RD4 TMP2, TMP2 - | bge cr0, ->vmeta_comp - | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) - | bge cr1, ->vmeta_comp - | fcmpu cr0, f0, f1 - if (op == BC_ISLT) { - | bge >1 - } else if (op == BC_ISGE) { - | blt >1 - } else if (op == BC_ISLE) { - | cror 4*cr0+lt, 4*cr0+lt, 4*cr0+eq - | bge >1 - } else { - | cror 4*cr0+lt, 4*cr0+lt, 4*cr0+eq - | blt >1 - } - | add PC, PC, TMP2 - |1: - | ins_next - } - break; - - case BC_ISEQV: case BC_ISNEV: - vk = op == BC_ISEQV; - | // RA = src1*8, RD = src2*8, JMP with RD = target - if (LJ_DUALNUM) { - | lwzux TMP0, RA, BASE - | addi PC, PC, 4 - | lwz CARG2, 4(RA) - | lwzux TMP1, RD, BASE - | checknum cr0, TMP0 - | lwz TMP2, -4(PC) - | checknum cr1, TMP1 - | decode_RD4 TMP2, TMP2 - | lwz CARG3, 4(RD) - | cror 4*cr7+gt, 4*cr0+gt, 4*cr1+gt - | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) - if (vk) { - | ble cr7, ->BC_ISEQN_Z - } else { - | ble cr7, ->BC_ISNEN_Z - } - } else { - | lwzux TMP0, RA, BASE - | lwz TMP2, 0(PC) - | lfd f0, 0(RA) - | addi PC, PC, 4 - | lwzux TMP1, RD, BASE - | checknum cr0, TMP0 - | decode_RD4 TMP2, TMP2 - | lfd f1, 0(RD) - | checknum cr1, TMP1 - | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) - | bge cr0, >5 - | bge cr1, >5 - | fcmpu cr0, f0, f1 - if (vk) { - | bne >1 - | add PC, PC, TMP2 - } else { - | beq >1 - | add PC, PC, TMP2 - } - |1: - | ins_next - } - |5: // Either or both types are not numbers. - if (!LJ_DUALNUM) { - | lwz CARG2, 4(RA) - | lwz CARG3, 4(RD) - } - if (LJ_HASFFI) { - | cmpwi cr7, TMP0, LJ_TCDATA - | cmpwi cr5, TMP1, LJ_TCDATA - } - | not TMP3, TMP0 - | cmplw TMP0, TMP1 - | cmplwi cr1, TMP3, ~LJ_TISPRI // Primitive? - if (LJ_HASFFI) { - | cror 4*cr7+eq, 4*cr7+eq, 4*cr5+eq - } - | cmplwi cr6, TMP3, ~LJ_TISTABUD // Table or userdata? - if (LJ_HASFFI) { - | beq cr7, ->vmeta_equal_cd - } - | cmplw cr5, CARG2, CARG3 - | crandc 4*cr0+gt, 4*cr0+eq, 4*cr1+gt // 2: Same type and primitive. - | crorc 4*cr0+lt, 4*cr5+eq, 4*cr0+eq // 1: Same tv or different type. - | crand 4*cr0+eq, 4*cr0+eq, 4*cr5+eq // 0: Same type and same tv. - | mr SAVE0, PC - | cror 4*cr0+eq, 4*cr0+eq, 4*cr0+gt // 0 or 2. - | cror 4*cr0+lt, 4*cr0+lt, 4*cr0+gt // 1 or 2. - if (vk) { - | bne cr0, >6 - | add PC, PC, TMP2 - |6: - } else { - | beq cr0, >6 - | add PC, PC, TMP2 - |6: - } - if (LJ_DUALNUM) { - | bge cr0, >2 // Done if 1 or 2. - |1: - | ins_next - |2: - } else { - | blt cr0, <1 // Done if 1 or 2. - } - | blt cr6, <1 // Done if not tab/ud. - | - | // Different tables or userdatas. Need to check __eq metamethod. - | // Field metatable must be at same offset for GCtab and GCudata! - | lwz TAB:TMP2, TAB:CARG2->metatable - | li CARG4, 1-vk // ne = 0 or 1. - | cmplwi TAB:TMP2, 0 - | beq <1 // No metatable? - | lbz TMP2, TAB:TMP2->nomm - | andi. TMP2, TMP2, 1<vmeta_equal // Handle __eq metamethod. - break; - - case BC_ISEQS: case BC_ISNES: - vk = op == BC_ISEQS; - | // RA = src*8, RD = str_const*8 (~), JMP with RD = target - | lwzux TMP0, RA, BASE - | srwi RD, RD, 1 - | lwz STR:TMP3, 4(RA) - | lwz TMP2, 0(PC) - | subfic RD, RD, -4 - | addi PC, PC, 4 - if (LJ_HASFFI) { - | cmpwi TMP0, LJ_TCDATA - } - | lwzx STR:TMP1, KBASE, RD // KBASE-4-str_const*4 - | subfic TMP0, TMP0, LJ_TSTR - if (LJ_HASFFI) { - | beq ->vmeta_equal_cd - } - | sub TMP1, STR:TMP1, STR:TMP3 - | or TMP0, TMP0, TMP1 - | decode_RD4 TMP2, TMP2 - | subfic TMP0, TMP0, 0 - | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) - | subfe TMP1, TMP1, TMP1 - if (vk) { - | andc TMP2, TMP2, TMP1 - } else { - | and TMP2, TMP2, TMP1 - } - | add PC, PC, TMP2 - | ins_next - break; - - case BC_ISEQN: case BC_ISNEN: - vk = op == BC_ISEQN; - | // RA = src*8, RD = num_const*8, JMP with RD = target - if (LJ_DUALNUM) { - | lwzux TMP0, RA, BASE - | addi PC, PC, 4 - | lwz CARG2, 4(RA) - | lwzux TMP1, RD, KBASE - | checknum cr0, TMP0 - | lwz TMP2, -4(PC) - | checknum cr1, TMP1 - | decode_RD4 TMP2, TMP2 - | lwz CARG3, 4(RD) - | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) - if (vk) { - |->BC_ISEQN_Z: - } else { - |->BC_ISNEN_Z: - } - | bne cr0, >7 - | bne cr1, >8 - | cmpw CARG2, CARG3 - |4: - } else { - if (vk) { - |->BC_ISEQN_Z: // Dummy label. - } else { - |->BC_ISNEN_Z: // Dummy label. - } - | lwzx TMP0, BASE, RA - | addi PC, PC, 4 - | lfdx f0, BASE, RA - | lwz TMP2, -4(PC) - | lfdx f1, KBASE, RD - | decode_RD4 TMP2, TMP2 - | checknum TMP0 - | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) - | bge >3 - | fcmpu cr0, f0, f1 - } - if (vk) { - | bne >1 - | add PC, PC, TMP2 - |1: - if (!LJ_HASFFI) { - |3: - } - } else { - | beq >2 - |1: - if (!LJ_HASFFI) { - |3: - } - | add PC, PC, TMP2 - |2: - } - | ins_next - if (LJ_HASFFI) { - |3: - | cmpwi TMP0, LJ_TCDATA - | beq ->vmeta_equal_cd - | b <1 - } - if (LJ_DUALNUM) { - |7: // RA is not an integer. - | bge cr0, <3 - | // RA is a number. - | lfd f0, 0(RA) - | blt cr1, >1 - | // RA is a number, RD is an integer. - | tonum_i f1, CARG3 - | b >2 - | - |8: // RA is an integer, RD is a number. - | tonum_i f0, CARG2 - |1: - | lfd f1, 0(RD) - |2: - | fcmpu cr0, f0, f1 - | b <4 - } - break; - - case BC_ISEQP: case BC_ISNEP: - vk = op == BC_ISEQP; - | // RA = src*8, RD = primitive_type*8 (~), JMP with RD = target - | lwzx TMP0, BASE, RA - | srwi TMP1, RD, 3 - | lwz TMP2, 0(PC) - | not TMP1, TMP1 - | addi PC, PC, 4 - if (LJ_HASFFI) { - | cmpwi TMP0, LJ_TCDATA - } - | sub TMP0, TMP0, TMP1 - if (LJ_HASFFI) { - | beq ->vmeta_equal_cd - } - | decode_RD4 TMP2, TMP2 - | addic TMP0, TMP0, -1 - | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) - | subfe TMP1, TMP1, TMP1 - if (vk) { - | and TMP2, TMP2, TMP1 - } else { - | andc TMP2, TMP2, TMP1 - } - | add PC, PC, TMP2 - | ins_next - break; - - /* -- Unary test and copy ops ------------------------------------------- */ - - case BC_ISTC: case BC_ISFC: case BC_IST: case BC_ISF: - | // RA = dst*8 or unused, RD = src*8, JMP with RD = target - | lwzx TMP0, BASE, RD - | lwz INS, 0(PC) - | addi PC, PC, 4 - if (op == BC_IST || op == BC_ISF) { - | subfic TMP0, TMP0, LJ_TTRUE - | decode_RD4 TMP2, INS - | subfe TMP1, TMP1, TMP1 - | addis TMP2, TMP2, -(BCBIAS_J*4 >> 16) - if (op == BC_IST) { - | andc TMP2, TMP2, TMP1 - } else { - | and TMP2, TMP2, TMP1 - } - | add PC, PC, TMP2 - } else { - | li TMP1, LJ_TFALSE - | lfdx f0, BASE, RD - | cmplw TMP0, TMP1 - if (op == BC_ISTC) { - | bge >1 - } else { - | blt >1 - } - | addis PC, PC, -(BCBIAS_J*4 >> 16) - | decode_RD4 TMP2, INS - | stfdx f0, BASE, RA - | add PC, PC, TMP2 - |1: - } - | ins_next - break; - - /* -- Unary ops --------------------------------------------------------- */ - - case BC_MOV: - | // RA = dst*8, RD = src*8 - | ins_next1 - | lfdx f0, BASE, RD - | stfdx f0, BASE, RA - | ins_next2 - break; - case BC_NOT: - | // RA = dst*8, RD = src*8 - | ins_next1 - | lwzx TMP0, BASE, RD - | subfic TMP1, TMP0, LJ_TTRUE - | adde TMP0, TMP0, TMP1 - | stwx TMP0, BASE, RA - | ins_next2 - break; - case BC_UNM: - | // RA = dst*8, RD = src*8 - | lwzux TMP1, RD, BASE - | lwz TMP0, 4(RD) - | checknum TMP1 - if (LJ_DUALNUM) { - | bne >5 - | nego. TMP0, TMP0 - | bso >4 - |1: - | ins_next1 - | stwux TISNUM, RA, BASE - | stw TMP0, 4(RA) - |3: - | ins_next2 - |4: // Potential overflow. - | mcrxr cr0; bley <1 // Ignore unrelated overflow. - | lus TMP1, 0x41e0 // 2^31. - | li TMP0, 0 - | b >7 - } - |5: - | bge ->vmeta_unm - | xoris TMP1, TMP1, 0x8000 - |7: - | ins_next1 - | stwux TMP1, RA, BASE - | stw TMP0, 4(RA) - if (LJ_DUALNUM) { - | b <3 - } else { - | ins_next2 - } - break; - case BC_LEN: - | // RA = dst*8, RD = src*8 - | lwzux TMP0, RD, BASE - | lwz CARG1, 4(RD) - | checkstr TMP0; bne >2 - | lwz CRET1, STR:CARG1->len - |1: - if (LJ_DUALNUM) { - | ins_next1 - | stwux TISNUM, RA, BASE - | stw CRET1, 4(RA) - } else { - | tonum_u f0, CRET1 // Result is a non-negative integer. - | ins_next1 - | stfdx f0, BASE, RA - } - | ins_next2 - |2: - | checktab TMP0; bne ->vmeta_len -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | lwz TAB:TMP2, TAB:CARG1->metatable - | cmplwi TAB:TMP2, 0 - | bne >9 - |3: -#endif - |->BC_LEN_Z: - | bl extern lj_tab_len // (GCtab *t) - | // Returns uint32_t (but less than 2^31). - | b <1 -#ifdef LUAJIT_ENABLE_LUA52COMPAT - |9: - | lbz TMP0, TAB:TMP2->nomm - | andi. TMP0, TMP0, 1<vmeta_len -#endif - break; - - /* -- Binary ops -------------------------------------------------------- */ - - |.macro ins_arithpre - | // RA = dst*8, RB = src1*8, RC = src2*8 | num_const*8 - ||vk = ((int)op - BC_ADDVN) / (BC_ADDNV-BC_ADDVN); - ||switch (vk) { - ||case 0: - | lwzx TMP1, BASE, RB - ||if (LJ_DUALNUM) { - | lwzx TMP2, KBASE, RC - ||} - | lfdx f14, BASE, RB - | lfdx f15, KBASE, RC - ||if (LJ_DUALNUM) { - | checknum cr0, TMP1 - | checknum cr1, TMP2 - | crand 4*cr0+lt, 4*cr0+lt, 4*cr1+lt - | bge ->vmeta_arith_vn - ||} else { - | checknum TMP1; bge ->vmeta_arith_vn - ||} - || break; - ||case 1: - | lwzx TMP1, BASE, RB - ||if (LJ_DUALNUM) { - | lwzx TMP2, KBASE, RC - ||} - | lfdx f15, BASE, RB - | lfdx f14, KBASE, RC - ||if (LJ_DUALNUM) { - | checknum cr0, TMP1 - | checknum cr1, TMP2 - | crand 4*cr0+lt, 4*cr0+lt, 4*cr1+lt - | bge ->vmeta_arith_nv - ||} else { - | checknum TMP1; bge ->vmeta_arith_nv - ||} - || break; - ||default: - | lwzx TMP1, BASE, RB - | lwzx TMP2, BASE, RC - | lfdx f14, BASE, RB - | lfdx f15, BASE, RC - | checknum cr0, TMP1 - | checknum cr1, TMP2 - | crand 4*cr0+lt, 4*cr0+lt, 4*cr1+lt - | bge ->vmeta_arith_vv - || break; - ||} - |.endmacro - | - |.macro ins_arithfallback, ins - ||switch (vk) { - ||case 0: - | ins ->vmeta_arith_vn2 - || break; - ||case 1: - | ins ->vmeta_arith_nv2 - || break; - ||default: - | ins ->vmeta_arith_vv2 - || break; - ||} - |.endmacro - | - |.macro intmod, a, b, c - | bl ->vm_modi - |.endmacro - | - |.macro fpmod, a, b, c - |->BC_MODVN_Z: - | fdiv FARG1, b, c - | // NYI: Use internal implementation of floor. - | bl extern floor // floor(b/c) - | fmul a, FARG1, c - | fsub a, b, a // b - floor(b/c)*c - |.endmacro - | - |.macro ins_arithfp, fpins - | ins_arithpre - |.if "fpins" == "fpmod_" - | b ->BC_MODVN_Z // Avoid 3 copies. It's slow anyway. - |.else - | fpins f0, f14, f15 - | ins_next1 - | stfdx f0, BASE, RA - | ins_next2 - |.endif - |.endmacro - | - |.macro ins_arithdn, intins, fpins - | // RA = dst*8, RB = src1*8, RC = src2*8 | num_const*8 - ||vk = ((int)op - BC_ADDVN) / (BC_ADDNV-BC_ADDVN); - ||switch (vk) { - ||case 0: - | lwzux TMP1, RB, BASE - | lwzux TMP2, RC, KBASE - | lwz CARG1, 4(RB) - | checknum cr0, TMP1 - | lwz CARG2, 4(RC) - || break; - ||case 1: - | lwzux TMP1, RB, BASE - | lwzux TMP2, RC, KBASE - | lwz CARG2, 4(RB) - | checknum cr0, TMP1 - | lwz CARG1, 4(RC) - || break; - ||default: - | lwzux TMP1, RB, BASE - | lwzux TMP2, RC, BASE - | lwz CARG1, 4(RB) - | checknum cr0, TMP1 - | lwz CARG2, 4(RC) - || break; - ||} - | checknum cr1, TMP2 - | bne >5 - | bne cr1, >5 - | intins CARG1, CARG1, CARG2 - | bso >4 - |1: - | ins_next1 - | stwux TISNUM, RA, BASE - | stw CARG1, 4(RA) - |2: - | ins_next2 - |4: // Overflow. - | mcrxr cr0; bley <1 // Ignore unrelated overflow. - | ins_arithfallback b - |5: // FP variant. - ||if (vk == 1) { - | lfd f15, 0(RB) - | crand 4*cr0+lt, 4*cr0+lt, 4*cr1+lt - | lfd f14, 0(RC) - ||} else { - | lfd f14, 0(RB) - | crand 4*cr0+lt, 4*cr0+lt, 4*cr1+lt - | lfd f15, 0(RC) - ||} - | ins_arithfallback bge - |.if "fpins" == "fpmod_" - | b ->BC_MODVN_Z // Avoid 3 copies. It's slow anyway. - |.else - | fpins f0, f14, f15 - | ins_next1 - | stfdx f0, BASE, RA - | b <2 - |.endif - |.endmacro - | - |.macro ins_arith, intins, fpins - ||if (LJ_DUALNUM) { - | ins_arithdn intins, fpins - ||} else { - | ins_arithfp fpins - ||} - |.endmacro - - case BC_ADDVN: case BC_ADDNV: case BC_ADDVV: - | ins_arith addo., fadd - break; - case BC_SUBVN: case BC_SUBNV: case BC_SUBVV: - | ins_arith subo., fsub - break; - case BC_MULVN: case BC_MULNV: case BC_MULVV: - | ins_arith mullwo., fmul - break; - case BC_DIVVN: case BC_DIVNV: case BC_DIVVV: - | ins_arithfp fdiv - break; - case BC_MODVN: - | ins_arith intmod, fpmod - break; - case BC_MODNV: case BC_MODVV: - | ins_arith intmod, fpmod_ - break; - case BC_POW: - | // NYI: (partial) integer arithmetic. - | lwzx TMP1, BASE, RB - | lfdx FARG1, BASE, RB - | lwzx TMP2, BASE, RC - | lfdx FARG2, BASE, RC - | checknum cr0, TMP1 - | checknum cr1, TMP2 - | crand 4*cr0+lt, 4*cr0+lt, 4*cr1+lt - | bge ->vmeta_arith_vv - | bl extern pow - | ins_next1 - | stfdx FARG1, BASE, RA - | ins_next2 - break; - - case BC_CAT: - | // RA = dst*8, RB = src_start*8, RC = src_end*8 - | sub CARG3, RC, RB - | stw BASE, L->base - | add CARG2, BASE, RC - | mr SAVE0, RB - |->BC_CAT_Z: - | stw PC, SAVE_PC - | mr CARG1, L - | srwi CARG3, CARG3, 3 - | bl extern lj_meta_cat // (lua_State *L, TValue *top, int left) - | // Returns NULL (finished) or TValue * (metamethod). - | cmplwi CRET1, 0 - | lwz BASE, L->base - | bne ->vmeta_binop - | ins_next1 - | lfdx f0, BASE, SAVE0 // Copy result from RB to RA. - | stfdx f0, BASE, RA - | ins_next2 - break; - - /* -- Constant ops ------------------------------------------------------ */ - - case BC_KSTR: - | // RA = dst*8, RD = str_const*8 (~) - | srwi TMP1, RD, 1 - | subfic TMP1, TMP1, -4 - | ins_next1 - | lwzx TMP0, KBASE, TMP1 // KBASE-4-str_const*4 - | li TMP2, LJ_TSTR - | stwux TMP2, RA, BASE - | stw TMP0, 4(RA) - | ins_next2 - break; - case BC_KCDATA: -#if LJ_HASFFI - | // RA = dst*8, RD = cdata_const*8 (~) - | srwi TMP1, RD, 1 - | subfic TMP1, TMP1, -4 - | ins_next1 - | lwzx TMP0, KBASE, TMP1 // KBASE-4-cdata_const*4 - | li TMP2, LJ_TCDATA - | stwux TMP2, RA, BASE - | stw TMP0, 4(RA) - | ins_next2 -#endif - break; - case BC_KSHORT: - | // RA = dst*8, RD = int16_literal*8 - if (LJ_DUALNUM) { - | slwi RD, RD, 13 - | srawi RD, RD, 16 - | ins_next1 - | stwux TISNUM, RA, BASE - | stw RD, 4(RA) - | ins_next2 - } else { - | // The soft-float approach is faster. - | slwi RD, RD, 13 - | srawi TMP1, RD, 31 - | xor TMP2, TMP1, RD - | sub TMP2, TMP2, TMP1 // TMP2 = abs(x) - | cntlzw TMP3, TMP2 - | subfic TMP1, TMP3, 0x40d // TMP1 = exponent-1 - | slw TMP2, TMP2, TMP3 // TMP2 = left aligned mantissa - | subfic TMP3, RD, 0 - | slwi TMP1, TMP1, 20 - | rlwimi RD, TMP2, 21, 1, 31 // hi = sign(x) | (mantissa>>11) - | subfe TMP0, TMP0, TMP0 - | add RD, RD, TMP1 // hi = hi + exponent-1 - | and RD, RD, TMP0 // hi = x == 0 ? 0 : hi - | ins_next1 - | stwux RD, RA, BASE - | stw ZERO, 4(RA) - | ins_next2 - } - break; - case BC_KNUM: - | // RA = dst*8, RD = num_const*8 - | ins_next1 - | lfdx f0, KBASE, RD - | stfdx f0, BASE, RA - | ins_next2 - break; - case BC_KPRI: - | // RA = dst*8, RD = primitive_type*8 (~) - | srwi TMP1, RD, 3 - | not TMP0, TMP1 - | ins_next1 - | stwx TMP0, BASE, RA - | ins_next2 - break; - case BC_KNIL: - | // RA = base*8, RD = end*8 - | stwx TISNIL, BASE, RA - | addi RA, RA, 8 - |1: - | stwx TISNIL, BASE, RA - | cmpw RA, RD - | addi RA, RA, 8 - | blt <1 - | ins_next_ - break; - - /* -- Upvalue and function ops ------------------------------------------ */ - - case BC_UGET: - | // RA = dst*8, RD = uvnum*8 - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | srwi RD, RD, 1 - | addi RD, RD, offsetof(GCfuncL, uvptr) - | lwzx UPVAL:RB, LFUNC:RB, RD - | ins_next1 - | lwz TMP1, UPVAL:RB->v - | lfd f0, 0(TMP1) - | stfdx f0, BASE, RA - | ins_next2 - break; - case BC_USETV: - | // RA = uvnum*8, RD = src*8 - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | srwi RA, RA, 1 - | addi RA, RA, offsetof(GCfuncL, uvptr) - | lfdux f0, RD, BASE - | lwzx UPVAL:RB, LFUNC:RB, RA - | lbz TMP3, UPVAL:RB->marked - | lwz CARG2, UPVAL:RB->v - | andi. TMP3, TMP3, LJ_GC_BLACK // isblack(uv) - | lbz TMP0, UPVAL:RB->closed - | lwz TMP2, 0(RD) - | stfd f0, 0(CARG2) - | cmplwi cr1, TMP0, 0 - | lwz TMP1, 4(RD) - | cror 4*cr0+eq, 4*cr0+eq, 4*cr1+eq - | subi TMP2, TMP2, (LJ_TISNUM+1) - | bne >2 // Upvalue is closed and black? - |1: - | ins_next - | - |2: // Check if new value is collectable. - | cmplwi TMP2, LJ_TISGCV - (LJ_TISNUM+1) - | bge <1 // tvisgcv(v) - | lbz TMP3, GCOBJ:TMP1->gch.marked - | andi. TMP3, TMP3, LJ_GC_WHITES // iswhite(v) - | la CARG1, GG_DISP2G(DISPATCH) - | // Crossed a write barrier. Move the barrier forward. - | beq <1 - | bl extern lj_gc_barrieruv // (global_State *g, TValue *tv) - | b <1 - break; - case BC_USETS: - | // RA = uvnum*8, RD = str_const*8 (~) - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | srwi TMP1, RD, 1 - | srwi RA, RA, 1 - | subfic TMP1, TMP1, -4 - | addi RA, RA, offsetof(GCfuncL, uvptr) - | lwzx STR:TMP1, KBASE, TMP1 // KBASE-4-str_const*4 - | lwzx UPVAL:RB, LFUNC:RB, RA - | lbz TMP3, UPVAL:RB->marked - | lwz CARG2, UPVAL:RB->v - | andi. TMP3, TMP3, LJ_GC_BLACK // isblack(uv) - | lbz TMP3, STR:TMP1->marked - | lbz TMP2, UPVAL:RB->closed - | li TMP0, LJ_TSTR - | stw STR:TMP1, 4(CARG2) - | stw TMP0, 0(CARG2) - | bne >2 - |1: - | ins_next - | - |2: // Check if string is white and ensure upvalue is closed. - | andi. TMP3, TMP3, LJ_GC_WHITES // iswhite(str) - | cmplwi cr1, TMP2, 0 - | cror 4*cr0+eq, 4*cr0+eq, 4*cr1+eq - | la CARG1, GG_DISP2G(DISPATCH) - | // Crossed a write barrier. Move the barrier forward. - | beq <1 - | bl extern lj_gc_barrieruv // (global_State *g, TValue *tv) - | b <1 - break; - case BC_USETN: - | // RA = uvnum*8, RD = num_const*8 - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | srwi RA, RA, 1 - | addi RA, RA, offsetof(GCfuncL, uvptr) - | lfdx f0, KBASE, RD - | lwzx UPVAL:RB, LFUNC:RB, RA - | ins_next1 - | lwz TMP1, UPVAL:RB->v - | stfd f0, 0(TMP1) - | ins_next2 - break; - case BC_USETP: - | // RA = uvnum*8, RD = primitive_type*8 (~) - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | srwi RA, RA, 1 - | srwi TMP0, RD, 3 - | addi RA, RA, offsetof(GCfuncL, uvptr) - | not TMP0, TMP0 - | lwzx UPVAL:RB, LFUNC:RB, RA - | ins_next1 - | lwz TMP1, UPVAL:RB->v - | stw TMP0, 0(TMP1) - | ins_next2 - break; - - case BC_UCLO: - | // RA = level*8, RD = target - | lwz TMP1, L->openupval - | branch_RD // Do this first since RD is not saved. - | stw BASE, L->base - | cmplwi TMP1, 0 - | mr CARG1, L - | beq >1 - | add CARG2, BASE, RA - | bl extern lj_func_closeuv // (lua_State *L, TValue *level) - | lwz BASE, L->base - |1: - | ins_next - break; - - case BC_FNEW: - | // RA = dst*8, RD = proto_const*8 (~) (holding function prototype) - | srwi TMP1, RD, 1 - | stw BASE, L->base - | subfic TMP1, TMP1, -4 - | stw PC, SAVE_PC - | lwzx CARG2, KBASE, TMP1 // KBASE-4-tab_const*4 - | mr CARG1, L - | lwz CARG3, FRAME_FUNC(BASE) - | // (lua_State *L, GCproto *pt, GCfuncL *parent) - | bl extern lj_func_newL_gc - | // Returns GCfuncL *. - | lwz BASE, L->base - | li TMP0, LJ_TFUNC - | stwux TMP0, RA, BASE - | stw LFUNC:CRET1, 4(RA) - | ins_next - break; - - /* -- Table ops --------------------------------------------------------- */ - - case BC_TNEW: - case BC_TDUP: - | // RA = dst*8, RD = (hbits|asize)*8 | tab_const*8 (~) - | lwz TMP0, DISPATCH_GL(gc.total)(DISPATCH) - | mr CARG1, L - | lwz TMP1, DISPATCH_GL(gc.threshold)(DISPATCH) - | stw BASE, L->base - | cmplw TMP0, TMP1 - | stw PC, SAVE_PC - | bge >5 - |1: - if (op == BC_TNEW) { - | rlwinm CARG2, RD, 29, 21, 31 - | rlwinm CARG3, RD, 18, 27, 31 - | cmpwi CARG2, 0x7ff; beq >3 - |2: - | bl extern lj_tab_new // (lua_State *L, int32_t asize, uint32_t hbits) - | // Returns Table *. - } else { - | srwi TMP1, RD, 1 - | subfic TMP1, TMP1, -4 - | lwzx CARG2, KBASE, TMP1 // KBASE-4-tab_const*4 - | bl extern lj_tab_dup // (lua_State *L, Table *kt) - | // Returns Table *. - } - | lwz BASE, L->base - | li TMP0, LJ_TTAB - | stwux TMP0, RA, BASE - | stw TAB:CRET1, 4(RA) - | ins_next - if (op == BC_TNEW) { - |3: - | li CARG2, 0x801 - | b <2 - } - |5: - | mr SAVE0, RD - | bl extern lj_gc_step_fixtop // (lua_State *L) - | mr RD, SAVE0 - | mr CARG1, L - | b <1 - break; - - case BC_GGET: - | // RA = dst*8, RD = str_const*8 (~) - case BC_GSET: - | // RA = src*8, RD = str_const*8 (~) - | lwz LFUNC:TMP2, FRAME_FUNC(BASE) - | srwi TMP1, RD, 1 - | lwz TAB:RB, LFUNC:TMP2->env - | subfic TMP1, TMP1, -4 - | lwzx STR:RC, KBASE, TMP1 // KBASE-4-str_const*4 - if (op == BC_GGET) { - | b ->BC_TGETS_Z - } else { - | b ->BC_TSETS_Z - } - break; - - case BC_TGETV: - | // RA = dst*8, RB = table*8, RC = key*8 - | lwzux CARG1, RB, BASE - | lwzux CARG2, RC, BASE - | lwz TAB:RB, 4(RB) - if (LJ_DUALNUM) { - | lwz RC, 4(RC) - } else { - | lfd f0, 0(RC) - } - | checktab CARG1 - | checknum cr1, CARG2 - | bne ->vmeta_tgetv - if (LJ_DUALNUM) { - | lwz TMP0, TAB:RB->asize - | bne cr1, >5 - | lwz TMP1, TAB:RB->array - | cmplw TMP0, RC - | slwi TMP2, RC, 3 - } else { - | bge cr1, >5 - | // Convert number key to integer, check for integerness and range. - | fctiwz f1, f0 - | fadd f2, f0, TOBIT - | stfd f1, TMPD - | lwz TMP0, TAB:RB->asize - | fsub f2, f2, TOBIT - | lwz TMP2, TMPD_LO - | lwz TMP1, TAB:RB->array - | fcmpu cr1, f0, f2 - | cmplw cr0, TMP0, TMP2 - | crand 4*cr0+gt, 4*cr0+gt, 4*cr1+eq - | slwi TMP2, TMP2, 3 - } - | ble ->vmeta_tgetv // Integer key and in array part? - | lwzx TMP0, TMP1, TMP2 - | lfdx f14, TMP1, TMP2 - | checknil TMP0; beq >2 - |1: - | ins_next1 - | stfdx f14, BASE, RA - | ins_next2 - | - |2: // Check for __index if table value is nil. - | lwz TAB:TMP2, TAB:RB->metatable - | cmplwi TAB:TMP2, 0 - | beq <1 // No metatable: done. - | lbz TMP0, TAB:TMP2->nomm - | andi. TMP0, TMP0, 1<vmeta_tgetv - | - |5: - | checkstr CARG2; bne ->vmeta_tgetv - if (!LJ_DUALNUM) { - | lwz STR:RC, 4(RC) - } - | b ->BC_TGETS_Z // String key? - break; - case BC_TGETS: - | // RA = dst*8, RB = table*8, RC = str_const*8 (~) - | lwzux CARG1, RB, BASE - | srwi TMP1, RC, 1 - | lwz TAB:RB, 4(RB) - | subfic TMP1, TMP1, -4 - | checktab CARG1 - | lwzx STR:RC, KBASE, TMP1 // KBASE-4-str_const*4 - | bne ->vmeta_tgets1 - |->BC_TGETS_Z: - | // TAB:RB = GCtab *, STR:RC = GCstr *, RA = dst*8 - | lwz TMP0, TAB:RB->hmask - | lwz TMP1, STR:RC->hash - | lwz NODE:TMP2, TAB:RB->node - | and TMP1, TMP1, TMP0 // idx = str->hash & tab->hmask - | slwi TMP0, TMP1, 5 - | slwi TMP1, TMP1, 3 - | sub TMP1, TMP0, TMP1 - | add NODE:TMP2, NODE:TMP2, TMP1 // node = tab->node + (idx*32-idx*8) - |1: - | lwz CARG1, NODE:TMP2->key - | lwz TMP0, 4+offsetof(Node, key)(NODE:TMP2) - | lwz CARG2, NODE:TMP2->val - | lwz TMP1, 4+offsetof(Node, val)(NODE:TMP2) - | checkstr CARG1; bne >4 - | cmpw TMP0, STR:RC; bne >4 - | checknil CARG2; beq >5 // Key found, but nil value? - |3: - | stwux CARG2, RA, BASE - | stw TMP1, 4(RA) - | ins_next - | - |4: // Follow hash chain. - | lwz NODE:TMP2, NODE:TMP2->next - | cmplwi NODE:TMP2, 0 - | bne <1 - | // End of hash chain: key not found, nil result. - | li CARG2, LJ_TNIL - | - |5: // Check for __index if table value is nil. - | lwz TAB:TMP2, TAB:RB->metatable - | cmplwi TAB:TMP2, 0 - | beq <3 // No metatable: done. - | lbz TMP0, TAB:TMP2->nomm - | andi. TMP0, TMP0, 1<vmeta_tgets - break; - case BC_TGETB: - | // RA = dst*8, RB = table*8, RC = index*8 - | lwzux CARG1, RB, BASE - | srwi TMP0, RC, 3 - | lwz TAB:RB, 4(RB) - | checktab CARG1; bne ->vmeta_tgetb - | lwz TMP1, TAB:RB->asize - | lwz TMP2, TAB:RB->array - | cmplw TMP0, TMP1; bge ->vmeta_tgetb - | lwzx TMP1, TMP2, RC - | lfdx f0, TMP2, RC - | checknil TMP1; beq >5 - |1: - | ins_next1 - | stfdx f0, BASE, RA - | ins_next2 - | - |5: // Check for __index if table value is nil. - | lwz TAB:TMP2, TAB:RB->metatable - | cmplwi TAB:TMP2, 0 - | beq <1 // No metatable: done. - | lbz TMP2, TAB:TMP2->nomm - | andi. TMP2, TMP2, 1<vmeta_tgetb // Caveat: preserve TMP0! - break; - - case BC_TSETV: - | // RA = src*8, RB = table*8, RC = key*8 - | lwzux CARG1, RB, BASE - | lwzux CARG2, RC, BASE - | lwz TAB:RB, 4(RB) - if (LJ_DUALNUM) { - | lwz RC, 4(RC) - } else { - | lfd f0, 0(RC) - } - | checktab CARG1 - | checknum cr1, CARG2 - | bne ->vmeta_tsetv - if (LJ_DUALNUM) { - | lwz TMP0, TAB:RB->asize - | bne cr1, >5 - | lwz TMP1, TAB:RB->array - | cmplw TMP0, RC - | slwi TMP0, RC, 3 - } else { - | bge cr1, >5 - | // Convert number key to integer, check for integerness and range. - | fctiwz f1, f0 - | fadd f2, f0, TOBIT - | stfd f1, TMPD - | lwz TMP0, TAB:RB->asize - | fsub f2, f2, TOBIT - | lwz TMP2, TMPD_LO - | lwz TMP1, TAB:RB->array - | fcmpu cr1, f0, f2 - | cmplw cr0, TMP0, TMP2 - | crand 4*cr0+gt, 4*cr0+gt, 4*cr1+eq - | slwi TMP0, TMP2, 3 - } - | ble ->vmeta_tsetv // Integer key and in array part? - | lwzx TMP2, TMP1, TMP0 - | lbz TMP3, TAB:RB->marked - | lfdx f14, BASE, RA - | checknil TMP2; beq >3 - |1: - | andi. TMP2, TMP3, LJ_GC_BLACK // isblack(table) - | stfdx f14, TMP1, TMP0 - | bne >7 - |2: - | ins_next - | - |3: // Check for __newindex if previous value is nil. - | lwz TAB:TMP2, TAB:RB->metatable - | cmplwi TAB:TMP2, 0 - | beq <1 // No metatable: done. - | lbz TMP2, TAB:TMP2->nomm - | andi. TMP2, TMP2, 1<vmeta_tsetv - | - |5: - | checkstr CARG2; bne ->vmeta_tsetv - if (!LJ_DUALNUM) { - | lwz STR:RC, 4(RC) - } - | b ->BC_TSETS_Z // String key? - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:RB, TMP3, TMP0 - | b <2 - break; - |1: - | checkstr CARG1; bne >4 - | cmpw TMP0, STR:RC; bne >4 - | checknil CARG2; beq >5 // Key found, but nil value? - |3: - | stwux CARG2, RA, BASE - | stw TMP1, 4(RA) - | ins_next - case BC_TSETS: - | // RA = src*8, RB = table*8, RC = str_const*8 (~) - | lwzux CARG1, RB, BASE - | srwi TMP1, RC, 1 - | lwz TAB:RB, 4(RB) - | subfic TMP1, TMP1, -4 - | checktab CARG1 - | lwzx STR:RC, KBASE, TMP1 // KBASE-4-str_const*4 - | bne ->vmeta_tsets1 - |->BC_TSETS_Z: - | // TAB:RB = GCtab *, STR:RC = GCstr *, RA = src*8 - | lwz TMP0, TAB:RB->hmask - | lwz TMP1, STR:RC->hash - | lwz NODE:TMP2, TAB:RB->node - | stb ZERO, TAB:RB->nomm // Clear metamethod cache. - | and TMP1, TMP1, TMP0 // idx = str->hash & tab->hmask - | lfdx f14, BASE, RA - | slwi TMP0, TMP1, 5 - | slwi TMP1, TMP1, 3 - | sub TMP1, TMP0, TMP1 - | lbz TMP3, TAB:RB->marked - | add NODE:TMP2, NODE:TMP2, TMP1 // node = tab->node + (idx*32-idx*8) - |1: - | lwz CARG1, NODE:TMP2->key - | lwz TMP0, 4+offsetof(Node, key)(NODE:TMP2) - | lwz CARG2, NODE:TMP2->val - | lwz TMP1, 4+offsetof(Node, val)(NODE:TMP2) - | checkstr CARG1; bne >5 - | cmpw TMP0, STR:RC; bne >5 - | checknil CARG2; beq >4 // Key found, but nil value? - |2: - | andi. TMP0, TMP3, LJ_GC_BLACK // isblack(table) - | stfd f14, NODE:TMP2->val - | bne >7 - |3: - | ins_next - | - |4: // Check for __newindex if previous value is nil. - | lwz TAB:TMP1, TAB:RB->metatable - | cmplwi TAB:TMP1, 0 - | beq <2 // No metatable: done. - | lbz TMP0, TAB:TMP1->nomm - | andi. TMP0, TMP0, 1<vmeta_tsets - | - |5: // Follow hash chain. - | lwz NODE:TMP2, NODE:TMP2->next - | cmplwi NODE:TMP2, 0 - | bne <1 - | // End of hash chain: key not found, add a new one. - | - | // But check for __newindex first. - | lwz TAB:TMP1, TAB:RB->metatable - | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) - | stw PC, SAVE_PC - | mr CARG1, L - | cmplwi TAB:TMP1, 0 - | stw BASE, L->base - | beq >6 // No metatable: continue. - | lbz TMP0, TAB:TMP1->nomm - | andi. TMP0, TMP0, 1<vmeta_tsets // 'no __newindex' flag NOT set: check. - |6: - | li TMP0, LJ_TSTR - | stw STR:RC, 4(CARG3) - | mr CARG2, TAB:RB - | stw TMP0, 0(CARG3) - | bl extern lj_tab_newkey // (lua_State *L, GCtab *t, TValue *k) - | // Returns TValue *. - | lwz BASE, L->base - | stfd f14, 0(CRET1) - | b <3 // No 2nd write barrier needed. - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:RB, TMP3, TMP0 - | b <3 - break; - case BC_TSETB: - | // RA = src*8, RB = table*8, RC = index*8 - | lwzux CARG1, RB, BASE - | srwi TMP0, RC, 3 - | lwz TAB:RB, 4(RB) - | checktab CARG1; bne ->vmeta_tsetb - | lwz TMP1, TAB:RB->asize - | lwz TMP2, TAB:RB->array - | lbz TMP3, TAB:RB->marked - | cmplw TMP0, TMP1 - | lfdx f14, BASE, RA - | bge ->vmeta_tsetb - | lwzx TMP1, TMP2, RC - | checknil TMP1; beq >5 - |1: - | andi. TMP0, TMP3, LJ_GC_BLACK // isblack(table) - | stfdx f14, TMP2, RC - | bne >7 - |2: - | ins_next - | - |5: // Check for __newindex if previous value is nil. - | lwz TAB:TMP1, TAB:RB->metatable - | cmplwi TAB:TMP1, 0 - | beq <1 // No metatable: done. - | lbz TMP1, TAB:TMP1->nomm - | andi. TMP1, TMP1, 1<vmeta_tsetb // Caveat: preserve TMP0! - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:RB, TMP3, TMP0 - | b <2 - break; - - case BC_TSETM: - | // RA = base*8 (table at base-1), RD = num_const*8 (start index) - | add RA, BASE, RA - |1: - | add TMP3, KBASE, RD - | lwz TAB:CARG2, -4(RA) // Guaranteed to be a table. - | addic. TMP0, MULTRES, -8 - | lwz TMP3, 4(TMP3) // Integer constant is in lo-word. - | srwi CARG3, TMP0, 3 - | beq >4 // Nothing to copy? - | add CARG3, CARG3, TMP3 - | lwz TMP2, TAB:CARG2->asize - | slwi TMP1, TMP3, 3 - | lbz TMP3, TAB:CARG2->marked - | cmplw CARG3, TMP2 - | add TMP2, RA, TMP0 - | lwz TMP0, TAB:CARG2->array - | bgt >5 - | add TMP1, TMP1, TMP0 - | andi. TMP0, TMP3, LJ_GC_BLACK // isblack(table) - |3: // Copy result slots to table. - | lfd f0, 0(RA) - | addi RA, RA, 8 - | cmpw cr1, RA, TMP2 - | stfd f0, 0(TMP1) - | addi TMP1, TMP1, 8 - | blt cr1, <3 - | bne >7 - |4: - | ins_next - | - |5: // Need to resize array part. - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | mr SAVE0, RD - | bl extern lj_tab_reasize // (lua_State *L, GCtab *t, int nasize) - | // Must not reallocate the stack. - | mr RD, SAVE0 - | b <1 - | - |7: // Possible table write barrier for any value. Skip valiswhite check. - | barrierback TAB:CARG2, TMP3, TMP0 - | b <4 - break; - - /* -- Calls and vararg handling ----------------------------------------- */ - - case BC_CALLM: - | // RA = base*8, (RB = (nresults+1)*8,) RC = extra_nargs*8 - | add NARGS8:RC, NARGS8:RC, MULTRES - | // Fall through. Assumes BC_CALL follows. - break; - case BC_CALL: - | // RA = base*8, (RB = (nresults+1)*8,) RC = (nargs+1)*8 - | mr TMP2, BASE - | lwzux TMP0, BASE, RA - | lwz LFUNC:RB, 4(BASE) - | subi NARGS8:RC, NARGS8:RC, 8 - | addi BASE, BASE, 8 - | checkfunc TMP0; bne ->vmeta_call - | ins_call - break; - - case BC_CALLMT: - | // RA = base*8, (RB = 0,) RC = extra_nargs*8 - | add NARGS8:RC, NARGS8:RC, MULTRES - | // Fall through. Assumes BC_CALLT follows. - break; - case BC_CALLT: - | // RA = base*8, (RB = 0,) RC = (nargs+1)*8 - | lwzux TMP0, RA, BASE - | lwz LFUNC:RB, 4(RA) - | subi NARGS8:RC, NARGS8:RC, 8 - | lwz TMP1, FRAME_PC(BASE) - | checkfunc TMP0 - | addi RA, RA, 8 - | bne ->vmeta_callt - |->BC_CALLT_Z: - | andi. TMP0, TMP1, FRAME_TYPE // Caveat: preserve cr0 until the crand. - | lbz TMP3, LFUNC:RB->ffid - | xori TMP2, TMP1, FRAME_VARG - | cmplwi cr1, NARGS8:RC, 0 - | bne >7 - |1: - | stw LFUNC:RB, FRAME_FUNC(BASE) // Copy function down, but keep PC. - | li TMP2, 0 - | cmplwi cr7, TMP3, 1 // (> FF_C) Calling a fast function? - | beq cr1, >3 - |2: - | addi TMP3, TMP2, 8 - | lfdx f0, RA, TMP2 - | cmplw cr1, TMP3, NARGS8:RC - | stfdx f0, BASE, TMP2 - | mr TMP2, TMP3 - | bne cr1, <2 - |3: - | crand 4*cr0+eq, 4*cr0+eq, 4*cr7+gt - | beq >5 - |4: - | ins_callt - | - |5: // Tailcall to a fast function with a Lua frame below. - | lwz INS, -4(TMP1) - | decode_RA8 RA, INS - | sub TMP1, BASE, RA - | lwz LFUNC:TMP1, FRAME_FUNC-8(TMP1) - | lwz TMP1, LFUNC:TMP1->pc - | lwz KBASE, PC2PROTO(k)(TMP1) // Need to prepare KBASE. - | b <4 - | - |7: // Tailcall from a vararg function. - | andi. TMP0, TMP2, FRAME_TYPEP - | bne <1 // Vararg frame below? - | sub BASE, BASE, TMP2 // Relocate BASE down. - | lwz TMP1, FRAME_PC(BASE) - | andi. TMP0, TMP1, FRAME_TYPE - | b <1 - break; - - case BC_ITERC: - | // RA = base*8, (RB = (nresults+1)*8, RC = (nargs+1)*8 ((2+1)*8)) - | mr TMP2, BASE - | add BASE, BASE, RA - | lwz TMP1, -24(BASE) - | lwz LFUNC:RB, -20(BASE) - | lfd f1, -8(BASE) - | lfd f0, -16(BASE) - | stw TMP1, 0(BASE) // Copy callable. - | stw LFUNC:RB, 4(BASE) - | checkfunc TMP1 - | stfd f1, 16(BASE) // Copy control var. - | li NARGS8:RC, 16 // Iterators get 2 arguments. - | stfdu f0, 8(BASE) // Copy state. - | bne ->vmeta_call - | ins_call - break; - - case BC_ITERN: - | // RA = base*8, (RB = (nresults+1)*8, RC = (nargs+1)*8 (2+1)*8) -#if LJ_HASJIT - | // NYI: add hotloop, record BC_ITERN. -#endif - | add RA, BASE, RA - | lwz TAB:RB, -12(RA) - | lwz RC, -4(RA) // Get index from control var. - | lwz TMP0, TAB:RB->asize - | lwz TMP1, TAB:RB->array - | addi PC, PC, 4 - |1: // Traverse array part. - | cmplw RC, TMP0 - | slwi TMP3, RC, 3 - | bge >5 // Index points after array part? - | lwzx TMP2, TMP1, TMP3 - | lfdx f0, TMP1, TMP3 - | checknil TMP2 - | lwz INS, -4(PC) - | beq >4 - if (LJ_DUALNUM) { - | stw RC, 4(RA) - | stw TISNUM, 0(RA) - } else { - | tonum_u f1, RC - } - | addi RC, RC, 1 - | addis TMP3, PC, -(BCBIAS_J*4 >> 16) - | stfd f0, 8(RA) - | decode_RD4 TMP1, INS - | stw RC, -4(RA) // Update control var. - | add PC, TMP1, TMP3 - if (!LJ_DUALNUM) { - | stfd f1, 0(RA) - } - |3: - | ins_next - | - |4: // Skip holes in array part. - | addi RC, RC, 1 - | b <1 - | - |5: // Traverse hash part. - | lwz TMP1, TAB:RB->hmask - | sub RC, RC, TMP0 - | lwz TMP2, TAB:RB->node - |6: - | cmplw RC, TMP1 // End of iteration? Branch to ITERL+1. - | slwi TMP3, RC, 5 - | bgty <3 - | slwi RB, RC, 3 - | sub TMP3, TMP3, RB - | lwzx RB, TMP2, TMP3 - | lfdx f0, TMP2, TMP3 - | add NODE:TMP3, TMP2, TMP3 - | checknil RB - | lwz INS, -4(PC) - | beq >7 - | lfd f1, NODE:TMP3->key - | addis TMP2, PC, -(BCBIAS_J*4 >> 16) - | stfd f0, 8(RA) - | add RC, RC, TMP0 - | decode_RD4 TMP1, INS - | stfd f1, 0(RA) - | addi RC, RC, 1 - | add PC, TMP1, TMP2 - | stw RC, -4(RA) // Update control var. - | b <3 - | - |7: // Skip holes in hash part. - | addi RC, RC, 1 - | b <6 - break; - - case BC_ISNEXT: - | // RA = base*8, RD = target (points to ITERN) - | add RA, BASE, RA - | lwz TMP0, -24(RA) - | lwz CFUNC:TMP1, -20(RA) - | lwz TMP2, -16(RA) - | lwz TMP3, -8(RA) - | cmpwi cr0, TMP2, LJ_TTAB - | cmpwi cr1, TMP0, LJ_TFUNC - | cmpwi cr6, TMP3, LJ_TNIL - | bne cr1, >5 - | lbz TMP1, CFUNC:TMP1->ffid - | crand 4*cr0+eq, 4*cr0+eq, 4*cr6+eq - | cmpwi cr7, TMP1, FF_next_N - | srwi TMP0, RD, 1 - | crand 4*cr0+eq, 4*cr0+eq, 4*cr7+eq - | add TMP3, PC, TMP0 - | bne cr0, >5 - | stw ZERO, -4(RA) // Initialize control var. - | addis PC, TMP3, -(BCBIAS_J*4 >> 16) - |1: - | ins_next - |5: // Despecialize bytecode if any of the checks fail. - | li TMP0, BC_JMP - | li TMP1, BC_ITERC - | stb TMP0, -1(PC) - | addis PC, TMP3, -(BCBIAS_J*4 >> 16) - | stb TMP1, 3(PC) - | b <1 - break; - - case BC_VARG: - | // RA = base*8, RB = (nresults+1)*8, RC = numparams*8 - | lwz TMP0, FRAME_PC(BASE) - | add RC, BASE, RC - | add RA, BASE, RA - | addi RC, RC, FRAME_VARG - | add TMP2, RA, RB - | subi TMP3, BASE, 8 // TMP3 = vtop - | sub RC, RC, TMP0 // RC = vbase - | // Note: RC may now be even _above_ BASE if nargs was < numparams. - | cmplwi cr1, RB, 0 - | sub. TMP1, TMP3, RC - | beq cr1, >5 // Copy all varargs? - | subi TMP2, TMP2, 16 - | ble >2 // No vararg slots? - |1: // Copy vararg slots to destination slots. - | lfd f0, 0(RC) - | addi RC, RC, 8 - | stfd f0, 0(RA) - | cmplw RA, TMP2 - | cmplw cr1, RC, TMP3 - | bge >3 // All destination slots filled? - | addi RA, RA, 8 - | blt cr1, <1 // More vararg slots? - |2: // Fill up remainder with nil. - | stw TISNIL, 0(RA) - | cmplw RA, TMP2 - | addi RA, RA, 8 - | blt <2 - |3: - | ins_next - | - |5: // Copy all varargs. - | lwz TMP0, L->maxstack - | li MULTRES, 8 // MULTRES = (0+1)*8 - | bley <3 // No vararg slots? - | add TMP2, RA, TMP1 - | cmplw TMP2, TMP0 - | addi MULTRES, TMP1, 8 - | bgt >7 - |6: - | lfd f0, 0(RC) - | addi RC, RC, 8 - | stfd f0, 0(RA) - | cmplw RC, TMP3 - | addi RA, RA, 8 - | blt <6 // More vararg slots? - | b <3 - | - |7: // Grow stack for varargs. - | mr CARG1, L - | stw RA, L->top - | sub SAVE0, RC, BASE // Need delta, because BASE may change. - | stw BASE, L->base - | sub RA, RA, BASE - | stw PC, SAVE_PC - | srwi CARG2, TMP1, 3 - | bl extern lj_state_growstack // (lua_State *L, int n) - | lwz BASE, L->base - | add RA, BASE, RA - | add RC, BASE, SAVE0 - | subi TMP3, BASE, 8 - | b <6 - break; - - /* -- Returns ----------------------------------------------------------- */ - - case BC_RETM: - | // RA = results*8, RD = extra_nresults*8 - | add RD, RD, MULTRES // MULTRES >= 8, so RD >= 8. - | // Fall through. Assumes BC_RET follows. - break; - - case BC_RET: - | // RA = results*8, RD = (nresults+1)*8 - | lwz PC, FRAME_PC(BASE) - | add RA, BASE, RA - | mr MULTRES, RD - |1: - | andi. TMP0, PC, FRAME_TYPE - | xori TMP1, PC, FRAME_VARG - | bne ->BC_RETV_Z - | - |->BC_RET_Z: - | // BASE = base, RA = resultptr, RD = (nresults+1)*8, PC = return - | lwz INS, -4(PC) - | cmpwi RD, 8 - | subi TMP2, BASE, 8 - | subi RC, RD, 8 - | decode_RB8 RB, INS - | beq >3 - | li TMP1, 0 - |2: - | addi TMP3, TMP1, 8 - | lfdx f0, RA, TMP1 - | cmpw TMP3, RC - | stfdx f0, TMP2, TMP1 - | beq >3 - | addi TMP1, TMP3, 8 - | lfdx f1, RA, TMP3 - | cmpw TMP1, RC - | stfdx f1, TMP2, TMP3 - | bne <2 - |3: - |5: - | cmplw RB, RD - | decode_RA8 RA, INS - | bgt >6 - | sub BASE, TMP2, RA - | lwz LFUNC:TMP1, FRAME_FUNC(BASE) - | ins_next1 - | lwz TMP1, LFUNC:TMP1->pc - | lwz KBASE, PC2PROTO(k)(TMP1) - | ins_next2 - | - |6: // Fill up results with nil. - | subi TMP1, RD, 8 - | addi RD, RD, 8 - | stwx TISNIL, TMP2, TMP1 - | b <5 - | - |->BC_RETV_Z: // Non-standard return case. - | andi. TMP2, TMP1, FRAME_TYPEP - | bne ->vm_return - | // Return from vararg function: relocate BASE down. - | sub BASE, BASE, TMP1 - | lwz PC, FRAME_PC(BASE) - | b <1 - break; - - case BC_RET0: case BC_RET1: - | // RA = results*8, RD = (nresults+1)*8 - | lwz PC, FRAME_PC(BASE) - | add RA, BASE, RA - | mr MULTRES, RD - | andi. TMP0, PC, FRAME_TYPE - | xori TMP1, PC, FRAME_VARG - | bney ->BC_RETV_Z - | - | lwz INS, -4(PC) - | subi TMP2, BASE, 8 - | decode_RB8 RB, INS - if (op == BC_RET1) { - | lfd f0, 0(RA) - | stfd f0, 0(TMP2) - } - |5: - | cmplw RB, RD - | decode_RA8 RA, INS - | bgt >6 - | sub BASE, TMP2, RA - | lwz LFUNC:TMP1, FRAME_FUNC(BASE) - | ins_next1 - | lwz TMP1, LFUNC:TMP1->pc - | lwz KBASE, PC2PROTO(k)(TMP1) - | ins_next2 - | - |6: // Fill up results with nil. - | subi TMP1, RD, 8 - | addi RD, RD, 8 - | stwx TISNIL, TMP2, TMP1 - | b <5 - break; - - /* -- Loops and branches ------------------------------------------------ */ - - case BC_FORL: -#if LJ_HASJIT - | hotloop -#endif - | // Fall through. Assumes BC_IFORL follows. - break; - - case BC_JFORI: - case BC_JFORL: -#if !LJ_HASJIT - break; -#endif - case BC_FORI: - case BC_IFORL: - | // RA = base*8, RD = target (after end of loop or start of loop) - vk = (op == BC_IFORL || op == BC_JFORL); - if (LJ_DUALNUM) { - | // Integer loop. - | lwzux TMP1, RA, BASE - | lwz CARG1, FORL_IDX*8+4(RA) - | cmplw cr0, TMP1, TISNUM - if (vk) { - | lwz CARG3, FORL_STEP*8+4(RA) - | bne >9 - | addo. CARG1, CARG1, CARG3 - | cmpwi cr6, CARG3, 0 - | lwz CARG2, FORL_STOP*8+4(RA) - | bso >6 - |4: - | stw CARG1, FORL_IDX*8+4(RA) - } else { - | lwz TMP3, FORL_STEP*8(RA) - | lwz CARG3, FORL_STEP*8+4(RA) - | lwz TMP2, FORL_STOP*8(RA) - | lwz CARG2, FORL_STOP*8+4(RA) - | cmplw cr7, TMP3, TISNUM - | cmplw cr1, TMP2, TISNUM - | crand 4*cr0+eq, 4*cr0+eq, 4*cr7+eq - | crand 4*cr0+eq, 4*cr0+eq, 4*cr1+eq - | cmpwi cr6, CARG3, 0 - | bne >9 - } - | blt cr6, >5 - | cmpw CARG1, CARG2 - |1: - | stw TISNUM, FORL_EXT*8(RA) - if (op != BC_JFORL) { - | srwi RD, RD, 1 - } - | stw CARG1, FORL_EXT*8+4(RA) - if (op != BC_JFORL) { - | add RD, PC, RD - } - if (op == BC_FORI) { - | bgt >3 // See FP loop below. - } else if (op == BC_JFORI) { - | addis PC, RD, -(BCBIAS_J*4 >> 16) - | bley >7 - } else if (op == BC_IFORL) { - | bgt >2 - | addis PC, RD, -(BCBIAS_J*4 >> 16) - } else { - | bley =>BC_JLOOP - } - |2: - | ins_next - |5: // Invert check for negative step. - | cmpw CARG2, CARG1 - | b <1 - if (vk) { - |6: // Potential overflow. - | mcrxr cr0; bley <4 // Ignore unrelated overflow. - | b <2 - } - } - if (vk) { - if (LJ_DUALNUM) { - |9: // FP loop. - | lfd f1, FORL_IDX*8(RA) - } else { - | lfdux f1, RA, BASE - } - | lfd f3, FORL_STEP*8(RA) - | lfd f2, FORL_STOP*8(RA) - | lwz TMP3, FORL_STEP*8(RA) - | fadd f1, f1, f3 - | stfd f1, FORL_IDX*8(RA) - } else { - if (LJ_DUALNUM) { - |9: // FP loop. - } else { - | lwzux TMP1, RA, BASE - | lwz TMP3, FORL_STEP*8(RA) - | lwz TMP2, FORL_STOP*8(RA) - | cmplw cr0, TMP1, TISNUM - | cmplw cr7, TMP3, TISNUM - | cmplw cr1, TMP2, TISNUM - } - | lfd f1, FORL_IDX*8(RA) - | crand 4*cr0+lt, 4*cr0+lt, 4*cr7+lt - | lfd f3, FORL_STEP*8(RA) - | crand 4*cr0+lt, 4*cr0+lt, 4*cr1+lt - | lfd f2, FORL_STOP*8(RA) - | bge ->vmeta_for - } - | cmpwi cr6, TMP3, 0 - if (op != BC_JFORL) { - | srwi RD, RD, 1 - } - | stfd f1, FORL_EXT*8(RA) - if (op != BC_JFORL) { - | add RD, PC, RD - } - | fcmpu cr0, f1, f2 - if (op == BC_JFORI) { - | addis PC, RD, -(BCBIAS_J*4 >> 16) - } - | blt cr6, >5 - if (op == BC_FORI) { - | bgt >3 - } else if (op == BC_IFORL) { - if (LJ_DUALNUM) { - | bgty <2 - } else { - | bgt >2 - } - |1: - | addis PC, RD, -(BCBIAS_J*4 >> 16) - } else if (op == BC_JFORI) { - | bley >7 - } else { - | bley =>BC_JLOOP - } - if (LJ_DUALNUM) { - | b <2 - } else { - |2: - | ins_next - } - |5: // Negative step. - if (op == BC_FORI) { - | bge <2 - |3: // Used by integer loop, too. - | addis PC, RD, -(BCBIAS_J*4 >> 16) - } else if (op == BC_IFORL) { - | bgey <1 - } else if (op == BC_JFORI) { - | bgey >7 - } else { - | bgey =>BC_JLOOP - } - | b <2 - if (op == BC_JFORI) { - |7: - | lwz INS, -4(PC) - | decode_RD8 RD, INS - | b =>BC_JLOOP - } - break; - - case BC_ITERL: -#if LJ_HASJIT - | hotloop -#endif - | // Fall through. Assumes BC_IITERL follows. - break; - - case BC_JITERL: -#if !LJ_HASJIT - break; -#endif - case BC_IITERL: - | // RA = base*8, RD = target - | lwzux TMP1, RA, BASE - | lwz TMP2, 4(RA) - | checknil TMP1; beq >1 // Stop if iterator returned nil. - if (op == BC_JITERL) { - | stw TMP1, -8(RA) - | stw TMP2, -4(RA) - | b =>BC_JLOOP - } else { - | branch_RD // Otherwise save control var + branch. - | stw TMP1, -8(RA) - | stw TMP2, -4(RA) - } - |1: - | ins_next - break; - - case BC_LOOP: - | // RA = base*8, RD = target (loop extent) - | // Note: RA/RD is only used by trace recorder to determine scope/extent - | // This opcode does NOT jump, it's only purpose is to detect a hot loop. -#if LJ_HASJIT - | hotloop -#endif - | // Fall through. Assumes BC_ILOOP follows. - break; - - case BC_ILOOP: - | // RA = base*8, RD = target (loop extent) - | ins_next - break; - - case BC_JLOOP: -#if LJ_HASJIT - | // RA = base*8 (ignored), RD = traceno*8 - | lwz TMP1, DISPATCH_J(trace)(DISPATCH) - | srwi RD, RD, 1 - | // Traces on PPC don't store the trace number, so use 0. - | stw ZERO, DISPATCH_GL(vmstate)(DISPATCH) - | lwzx TRACE:TMP2, TMP1, RD - | mcrxr cr0 // Clear SO flag. - | lwz TMP2, TRACE:TMP2->mcode - | stw BASE, DISPATCH_GL(jit_base)(DISPATCH) - | mtctr TMP2 - | stw L, DISPATCH_GL(jit_L)(DISPATCH) - | addi JGL, DISPATCH, GG_DISP2G+32768 - | bctr -#endif - break; - - case BC_JMP: - | // RA = base*8 (only used by trace recorder), RD = target - | branch_RD - | ins_next - break; - - /* -- Function headers -------------------------------------------------- */ - - case BC_FUNCF: -#if LJ_HASJIT - | hotcall -#endif - case BC_FUNCV: /* NYI: compiled vararg functions. */ - | // Fall through. Assumes BC_IFUNCF/BC_IFUNCV follow. - break; - - case BC_JFUNCF: -#if !LJ_HASJIT - break; -#endif - case BC_IFUNCF: - | // BASE = new base, RA = BASE+framesize*8, RB = LFUNC, RC = nargs*8 - | lwz TMP2, L->maxstack - | lbz TMP1, -4+PC2PROTO(numparams)(PC) - | lwz KBASE, -4+PC2PROTO(k)(PC) - | cmplw RA, TMP2 - | slwi TMP1, TMP1, 3 - | bgt ->vm_growstack_l - if (op != BC_JFUNCF) { - | ins_next1 - } - |2: - | cmplw NARGS8:RC, TMP1 // Check for missing parameters. - | ble >3 - if (op == BC_JFUNCF) { - | decode_RD8 RD, INS - | b =>BC_JLOOP - } else { - | ins_next2 - } - | - |3: // Clear missing parameters. - | stwx TISNIL, BASE, NARGS8:RC - | addi NARGS8:RC, NARGS8:RC, 8 - | b <2 - break; - - case BC_JFUNCV: -#if !LJ_HASJIT - break; -#endif - | NYI // NYI: compiled vararg functions - break; /* NYI: compiled vararg functions. */ - - case BC_IFUNCV: - | // BASE = new base, RA = BASE+framesize*8, RB = LFUNC, RC = nargs*8 - | lwz TMP2, L->maxstack - | add TMP1, BASE, RC - | add TMP0, RA, RC - | stw LFUNC:RB, 4(TMP1) // Store copy of LFUNC. - | addi TMP3, RC, 8+FRAME_VARG - | lwz KBASE, -4+PC2PROTO(k)(PC) - | cmplw TMP0, TMP2 - | stw TMP3, 0(TMP1) // Store delta + FRAME_VARG. - | bge ->vm_growstack_l - | lbz TMP2, -4+PC2PROTO(numparams)(PC) - | mr RA, BASE - | mr RC, TMP1 - | ins_next1 - | cmpwi TMP2, 0 - | addi BASE, TMP1, 8 - | beq >3 - |1: - | cmplw RA, RC // Less args than parameters? - | lwz TMP0, 0(RA) - | lwz TMP3, 4(RA) - | bge >4 - | stw TISNIL, 0(RA) // Clear old fixarg slot (help the GC). - | addi RA, RA, 8 - |2: - | addic. TMP2, TMP2, -1 - | stw TMP0, 8(TMP1) - | stw TMP3, 12(TMP1) - | addi TMP1, TMP1, 8 - | bne <1 - |3: - | ins_next2 - | - |4: // Clear missing parameters. - | li TMP0, LJ_TNIL - | b <2 - break; - - case BC_FUNCC: - case BC_FUNCCW: - | // BASE = new base, RA = BASE+framesize*8, RB = CFUNC, RC = nargs*8 - if (op == BC_FUNCC) { - | lwz TMP3, CFUNC:RB->f - } else { - | lwz TMP3, DISPATCH_GL(wrapf)(DISPATCH) - } - | add TMP1, RA, NARGS8:RC - | lwz TMP2, L->maxstack - | add RC, BASE, NARGS8:RC - | stw BASE, L->base - | cmplw TMP1, TMP2 - | stw RC, L->top - | li_vmstate C - | mtctr TMP3 - if (op == BC_FUNCCW) { - | lwz CARG2, CFUNC:RB->f - } - | mr CARG1, L - | bgt ->vm_growstack_c // Need to grow stack. - | st_vmstate - | bctrl // (lua_State *L [, lua_CFunction f]) - | // Returns nresults. - | lwz BASE, L->base - | slwi RD, CRET1, 3 - | lwz TMP1, L->top - | li_vmstate INTERP - | lwz PC, FRAME_PC(BASE) // Fetch PC of caller. - | sub RA, TMP1, RD // RA = L->top - nresults*8 - | st_vmstate - | b ->vm_returnc - break; - - /* ---------------------------------------------------------------------- */ - - default: - fprintf(stderr, "Error: undefined opcode BC_%s\n", bc_names[op]); - exit(2); - break; - } -} - -static int build_backend(BuildCtx *ctx) -{ - int op; - - dasm_growpc(Dst, BC__MAX); - - build_subroutines(ctx); - - |.code_op - for (op = 0; op < BC__MAX; op++) - build_ins(ctx, (BCOp)op, op); - - return BC__MAX; -} - -/* Emit pseudo frame-info for all assembler functions. */ -static void emit_asm_debug(BuildCtx *ctx) -{ - int fcofs = (int)((uint8_t *)ctx->glob[GLOB_vm_ffi_call] - ctx->code); - int i; - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, "\t.section .debug_frame,\"\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe0:\n" - "\t.long .LECIE0-.LSCIE0\n" - ".LSCIE0:\n" - "\t.long 0xffffffff\n" - "\t.byte 0x1\n" - "\t.string \"\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 65\n" - "\t.byte 0xc\n\t.uleb128 1\n\t.uleb128 0\n" - "\t.align 2\n" - ".LECIE0:\n\n"); - fprintf(ctx->fp, - ".LSFDE0:\n" - "\t.long .LEFDE0-.LASFDE0\n" - ".LASFDE0:\n" - "\t.long .Lframe0\n" - "\t.long .Lbegin\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x5\n\t.uleb128 70\n\t.uleb128 55\n", - fcofs, CFRAME_SIZE); - for (i = 14; i <= 31; i++) - fprintf(ctx->fp, - "\t.byte %d\n\t.uleb128 %d\n" - "\t.byte %d\n\t.uleb128 %d\n", - 0x80+i, 37+(31-i), 0x80+32+i, 2+2*(31-i)); - fprintf(ctx->fp, - "\t.align 2\n" - ".LEFDE0:\n\n"); -#if LJ_HASFFI - fprintf(ctx->fp, - ".LSFDE1:\n" - "\t.long .LEFDE1-.LASFDE1\n" - ".LASFDE1:\n" - "\t.long .Lframe0\n" - "\t.long lj_vm_ffi_call\n" - "\t.long %d\n" - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x8e\n\t.uleb128 2\n" - "\t.byte 0xd\n\t.uleb128 0xe\n" - "\t.align 2\n" - ".LEFDE1:\n\n", (int)ctx->codesz - fcofs); -#endif - fprintf(ctx->fp, "\t.section .eh_frame,\"a\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe1:\n" - "\t.long .LECIE1-.LSCIE1\n" - ".LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zPR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 65\n" - "\t.uleb128 6\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.long lj_err_unwind_dwarf-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 1\n\t.uleb128 0\n" - "\t.align 2\n" - ".LECIE1:\n\n"); - fprintf(ctx->fp, - ".LSFDE2:\n" - "\t.long .LEFDE2-.LASFDE2\n" - ".LASFDE2:\n" - "\t.long .LASFDE2-.Lframe1\n" - "\t.long .Lbegin-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x5\n\t.uleb128 70\n\t.uleb128 55\n", - fcofs, CFRAME_SIZE); - for (i = 14; i <= 31; i++) - fprintf(ctx->fp, - "\t.byte %d\n\t.uleb128 %d\n" - "\t.byte %d\n\t.uleb128 %d\n", - 0x80+i, 37+(31-i), 0x80+32+i, 2+2*(31-i)); - fprintf(ctx->fp, - "\t.align 2\n" - ".LEFDE2:\n\n"); -#if LJ_HASFFI - fprintf(ctx->fp, - ".Lframe2:\n" - "\t.long .LECIE2-.LSCIE2\n" - ".LSCIE2:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 65\n" - "\t.uleb128 1\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 1\n\t.uleb128 0\n" - "\t.align 2\n" - ".LECIE2:\n\n"); - fprintf(ctx->fp, - ".LSFDE3:\n" - "\t.long .LEFDE3-.LASFDE3\n" - ".LASFDE3:\n" - "\t.long .LASFDE3-.Lframe2\n" - "\t.long lj_vm_ffi_call-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x8e\n\t.uleb128 2\n" - "\t.byte 0xd\n\t.uleb128 0xe\n" - "\t.align 2\n" - ".LEFDE3:\n\n", (int)ctx->codesz - fcofs); -#endif - break; - default: - break; - } -} - diff --git a/libraries/luajit-2.0/src/buildvm_ppc.h b/libraries/luajit-2.0/src/buildvm_ppc.h deleted file mode 100644 index b42b5fa..0000000 --- a/libraries/luajit-2.0/src/buildvm_ppc.h +++ /dev/null @@ -1,9804 +0,0 @@ -/* -** This file has been pre-processed with DynASM. -** http://luajit.org/dynasm.html -** DynASM version 1.3.0, DynASM ppc version 1.3.0 -** DO NOT EDIT! The original file is in "buildvm_ppc.dasc". -*/ - -#if DASM_VERSION != 10300 -#error "Version mismatch between DynASM and included encoding engine" -#endif - -#define DASM_SECTION_CODE_OP 0 -#define DASM_SECTION_CODE_SUB 1 -#define DASM_MAXSECTION 2 -static const unsigned int build_actionlist[7771] = { -0x00010001, -0x00060014, -0x72000000, -0x00090200, -0x39000000, -0x00098200, -0x41820000, -0x00050815, -0x8209fff8, -0x7d2e4b78, -0x9514fff8, -0x00060016, -0x72000000, -0x00090200, -0x398c0008, -0x7d936378, -0x41820000, -0x00050817, -0x00060018, -0x2c000000, -0x00098200, -0x56090038, -0x38000000, -0x00098200, -0x7d297050, -0x40a20000, -0x00050814, -0x350cfff8, -0x91320000, -0x00098200, -0x8121002c, -0x39cefff8, -0x90110000, -0x00098200, -0x55291800, -0x000900a1, -0x41820000, -0x00050802, -0x0006000b, -0x3508fff8, -0xc8140000, -0x3a940008, -0xd80e0000, -0x39ce0008, -0x40a20000, -0x0005080b, -0x0006000c, -0x7c096000, -0x40820000, -0x00050806, -0x0006000d, -0x91d20000, -0x00098200, -0x00060019, -0x00000000, -0x80010028, -0x38600000, -0x90120000, -0x00098200, -0x0006001a, -0x80010114, -0x81810034, -0x81c10000, -0x00098200, -0xc9c10000, -0x00098200, -0x81e10000, -0x00098200, -0xc9e10000, -0x00098200, -0x82010000, -0x00098200, -0xca010000, -0x00098200, -0x82210000, -0x00098200, -0xca210000, -0x00098200, -0x82410000, -0x00098200, -0xca410000, -0x00098200, -0x82610000, -0x00098200, -0xca610000, -0x00098200, -0x7c0803a6, -0x7d838120, -0x82810000, -0x00098200, -0xca810000, -0x00098200, -0x82a10000, -0x00098200, -0xcaa10000, -0x00098200, -0x82c10000, -0x00098200, -0xcac10000, -0x00098200, -0x82e10000, -0x00098200, -0xcae10000, -0x00098200, -0x00000000, -0x83010000, -0x00098200, -0xcb010000, -0x00098200, -0x83210000, -0x00098200, -0xcb210000, -0x00098200, -0x83410000, -0x00098200, -0xcb410000, -0x00098200, -0x83610000, -0x00098200, -0xcb610000, -0x00098200, -0x83810000, -0x00098200, -0xcb810000, -0x00098200, -0x83a10000, -0x00098200, -0xcba10000, -0x00098200, -0x83c10000, -0x00098200, -0xcbc10000, -0x00098200, -0x83e10000, -0x00098200, -0xcbe10000, -0x00098200, -0x38210110, -0x4e800020, -0x00060010, -0x40810000, -0x00050807, -0x81120000, -0x00098200, -0x7c0e4040, -0x40800000, -0x00050808, -0x92ee0000, -0x398c0008, -0x39ce0008, -0x48000000, -0x0005000c, -0x00060011, -0x00000000, -0x20c90000, -0x7c096050, -0x7d084110, -0x7c004038, -0x7dc07050, -0x48000000, -0x0005000d, -0x00060012, -0x91d20000, -0x00098200, -0x7d956378, -0x7d244b78, -0x7e439378, -0x48000001, -0x00030000, -0x8121002c, -0x7eacab78, -0x55291800, -0x000900a1, -0x81d20000, -0x00098200, -0x48000000, -0x0005000c, -0x0006001b, -0x7c611b78, -0x7c832378, -0x0006001c, -0x82410024, -0x38000000, -0x00098200, -0x81120000, -0x00098200, -0x90080000, -0x00098200, -0x48000000, -0x0005001a, -0x0006001d, -0x5461003a, -0x0006001e, -0x82410024, -0x3ac00000, -0x00098200, -0x81d20000, -0x00098200, -0x3cc059c0, -0x82320000, -0x00098200, -0x3b000000, -0x90c10010, -0x39000000, -0x00098200, -0x60c60004, -0x3ae00000, -0x00098200, -0x38000000, -0x00098200, -0xc3c10010, -0x820efff8, -0x3a8efff8, -0x90c10010, -0x3a310000, -0x00098200, -0x00000000, -0x91140000, -0x39800010, -0x90110000, -0x00098200, -0xc3e10010, -0x48000000, -0x00050016, -0x0006001f, -0x38800000, -0x00098200, -0x48000000, -0x00050002, -0x00060020, -0x7d6e5a14, -0x7e8ea050, -0x91d20000, -0x00098200, -0x3a100004, -0x91720000, -0x00098200, -0x568400fe, -0x000900ab, -0x0006000c, -0x92010020, -0x7e439378, -0x48000001, -0x00030000, -0x81d20000, -0x00098200, -0x81720000, -0x00098200, -0x814efffc, -0x7d6e5850, -0x820a0000, -0x00098200, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54f4dd78, -0x7c11402e, -0x7e947214, -0x7c0903a6, -0x4e800420, -0x00060021, -0x9421fef0, -0x91c10000, -0x00098200, -0xd9c10000, -0x00098200, -0x91e10000, -0x00098200, -0xd9e10000, -0x00098200, -0x92010000, -0x00098200, -0xda010000, -0x00098200, -0x7c0802a6, -0x92210000, -0x00098200, -0x00000000, -0xda210000, -0x00098200, -0x92410000, -0x00098200, -0xda410000, -0x00098200, -0x92610000, -0x00098200, -0xda610000, -0x00098200, -0x92810000, -0x00098200, -0xda810000, -0x00098200, -0x92a10000, -0x00098200, -0xdaa10000, -0x00098200, -0x92c10000, -0x00098200, -0xdac10000, -0x00098200, -0x90010114, -0x92e10000, -0x00098200, -0xdae10000, -0x00098200, -0x93010000, -0x00098200, -0xdb010000, -0x00098200, -0x93210000, -0x00098200, -0xdb210000, -0x00098200, -0x7c000026, -0x93410000, -0x00098200, -0xdb410000, -0x00098200, -0x93610000, -0x00098200, -0xdb610000, -0x00098200, -0x93810000, -0x00098200, -0x00000000, -0xdb810000, -0x00098200, -0x93a10000, -0x00098200, -0xdba10000, -0x00098200, -0x93c10000, -0x00098200, -0xdbc10000, -0x00098200, -0x93e10000, -0x00098200, -0xdbe10000, -0x00098200, -0x90010034, -0x7c721b78, -0x82320000, -0x00098200, -0x7c8e2378, -0x89120000, -0x00098200, -0x92410024, -0x3a000000, -0x00098200, -0x38010000, -0x00098200, -0x3a310000, -0x00098200, -0x90a1002c, -0x28080000, -0x90a10030, -0x90120000, -0x00098200, -0x90a10028, -0x90610020, -0x41820000, -0x00050803, -0x7dd47378, -0x81d20000, -0x00098200, -0x3ac00000, -0x00098200, -0x81120000, -0x00098200, -0x820efff8, -0x3cc059c0, -0x7d8e4050, -0x98b20000, -0x00098200, -0x90c10010, -0x72000000, -0x00090200, -0x60c60004, -0xc3c10010, -0x3b000000, -0x90c10010, -0x398c0008, -0x3c004338, -0x7d936378, -0x90010008, -0x38000000, -0x00098200, -0xc3e10010, -0x3ae00000, -0x00098200, -0x90110000, -0x00098200, -0x00000000, -0x41820000, -0x00050817, -0x48000000, -0x00050018, -0x00060022, -0x9421fef0, -0x91c10000, -0x00098200, -0xd9c10000, -0x00098200, -0x91e10000, -0x00098200, -0xd9e10000, -0x00098200, -0x92010000, -0x00098200, -0xda010000, -0x00098200, -0x7c0802a6, -0x92210000, -0x00098200, -0xda210000, -0x00098200, -0x92410000, -0x00098200, -0xda410000, -0x00098200, -0x92610000, -0x00098200, -0xda610000, -0x00098200, -0x92810000, -0x00098200, -0xda810000, -0x00098200, -0x92a10000, -0x00098200, -0xdaa10000, -0x00098200, -0x92c10000, -0x00098200, -0xdac10000, -0x00098200, -0x90010114, -0x92e10000, -0x00098200, -0x00000000, -0xdae10000, -0x00098200, -0x93010000, -0x00098200, -0xdb010000, -0x00098200, -0x93210000, -0x00098200, -0xdb210000, -0x00098200, -0x7c000026, -0x93410000, -0x00098200, -0xdb410000, -0x00098200, -0x93610000, -0x00098200, -0xdb610000, -0x00098200, -0x93810000, -0x00098200, -0xdb810000, -0x00098200, -0x93a10000, -0x00098200, -0xdba10000, -0x00098200, -0x93c10000, -0x00098200, -0xdbc10000, -0x00098200, -0x93e10000, -0x00098200, -0xdbe10000, -0x00098200, -0x90010034, -0x3a000000, -0x00098200, -0x90c10030, -0x48000000, -0x00050001, -0x00060023, -0x9421fef0, -0x91c10000, -0x00098200, -0xd9c10000, -0x00098200, -0x00000000, -0x91e10000, -0x00098200, -0xd9e10000, -0x00098200, -0x92010000, -0x00098200, -0xda010000, -0x00098200, -0x7c0802a6, -0x92210000, -0x00098200, -0xda210000, -0x00098200, -0x92410000, -0x00098200, -0xda410000, -0x00098200, -0x92610000, -0x00098200, -0xda610000, -0x00098200, -0x92810000, -0x00098200, -0xda810000, -0x00098200, -0x92a10000, -0x00098200, -0xdaa10000, -0x00098200, -0x92c10000, -0x00098200, -0xdac10000, -0x00098200, -0x90010114, -0x92e10000, -0x00098200, -0xdae10000, -0x00098200, -0x93010000, -0x00098200, -0xdb010000, -0x00098200, -0x93210000, -0x00098200, -0xdb210000, -0x00098200, -0x00000000, -0x7c000026, -0x93410000, -0x00098200, -0xdb410000, -0x00098200, -0x93610000, -0x00098200, -0xdb610000, -0x00098200, -0x93810000, -0x00098200, -0xdb810000, -0x00098200, -0x93a10000, -0x00098200, -0xdba10000, -0x00098200, -0x93c10000, -0x00098200, -0xdbc10000, -0x00098200, -0x93e10000, -0x00098200, -0xdbe10000, -0x00098200, -0x90010034, -0x3a000000, -0x00098200, -0x0006000b, -0x81030000, -0x00098200, -0x90a1002c, -0x7c721b78, -0x90610024, -0x7c8e2378, -0x90320000, -0x00098200, -0x82320000, -0x00098200, -0x90610020, -0x91010028, -0x3a310000, -0x00098200, -0x0006000d, -0x81320000, -0x00098200, -0x3ac00000, -0x00098200, -0x81120000, -0x00098200, -0x00000000, -0x3cc059c0, -0x7e107214, -0x90c10010, -0x3b000000, -0x60c60004, -0xc3c10010, -0x7e098050, -0x90c10010, -0x3c004338, -0x7d6e4050, -0x90010008, -0x38000000, -0x00098200, -0xc3e10010, -0x3ae00000, -0x00098200, -0x90110000, -0x00098200, -0x00060024, -0x800efff8, -0x814efffc, -0x2c000000, -0x00098200, -0x40820000, -0x00050825, -0x00060026, -0x920efff8, -0x820a0000, -0x00098200, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54f4dd78, -0x7c11402e, -0x7e947214, -0x7c0903a6, -0x4e800420, -0x00060027, -0x9421fef0, -0x91c10000, -0x00098200, -0xd9c10000, -0x00098200, -0x91e10000, -0x00098200, -0xd9e10000, -0x00098200, -0x92010000, -0x00098200, -0xda010000, -0x00098200, -0x7c0802a6, -0x92210000, -0x00098200, -0xda210000, -0x00098200, -0x92410000, -0x00098200, -0xda410000, -0x00098200, -0x92610000, -0x00098200, -0xda610000, -0x00098200, -0x92810000, -0x00098200, -0x00000000, -0xda810000, -0x00098200, -0x92a10000, -0x00098200, -0xdaa10000, -0x00098200, -0x92c10000, -0x00098200, -0xdac10000, -0x00098200, -0x90010114, -0x92e10000, -0x00098200, -0xdae10000, -0x00098200, -0x93010000, 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-0x81080000, -0x00098200, -0x81e80000, -0x00098200, -0x54e815ba, -0x7c11402e, -0x7c0903a6, -0x54ea5d78, -0x54ec9b78, -0x54f4dd78, -0x54eb9d78, -0x4e800420, -0x00060010, -0x390cfff8, -0x398c0008, -0x7ee9412e, -0x48000000, -0x0005000f, -0x00000000, -0x5608fe7c, -0x39080000, -0x00098200, -0x7d31422e, -0x35290000, -0x00098200, -0x7d31432e, -0x41800000, -0x00050894, -0x00000000, -0x7d14706e, -0x80740000, -0x00098200, -0x7c08b040, -0x00000000, -0x80b40000, -0x00098200, -0x40820000, -0x00050809, -0x7c632e15, -0x2f050000, -0x80940000, -0x00098200, -0x41830000, -0x00050806, -0x0006000e, -0x90740000, -0x00098200, -0x00000000, -0x80d40000, -0x00098200, -0x80b40000, -0x00098200, -0x81340000, -0x00098200, -0x80940000, -0x00098200, -0x7f86b040, -0x7c89b040, -0x4c42f202, -0x4c423202, -0x2f050000, -0x40820000, -0x00050809, -0x00000000, -0x41980000, -0x00050805, -0x7c032000, -0x0006000b, -0x92d40000, -0x00098200, -0x00000000, -0x558c007e, -0x000900ab, -0x00000000, -0x90740000, -0x00098200, -0x00000000, -0x7d906214, -0x00000000, -0x41810000, -0x00050803, -0x00000000, -0x3e0c0000, -0x00098200, -0x40a10000, -0x00050807, -0x00000000, -0x41810000, -0x00050802, -0x3e0c0000, -0x00098200, -0x00000000, -0x40a10000, -0x00070800, -0x00000000, -0x0006000c, -0x80f00000, -0x3a100004, -0x54e815ba, -0x7c11402e, -0x7c0903a6, -0x54ea5d78, -0x54ec9b78, -0x54f4dd78, -0x54eb9d78, -0x4e800420, -0x0006000f, -0x7c041800, -0x48000000, -0x0005000b, -0x00000000, -0x00060010, -0x7c000400, -0x40a10000, -0x0005080e, -0x48000000, -0x0005000c, -0x00000000, -0x00060013, -0xc8340000, -0x00098200, -0x00000000, -0x7c3474ee, -0x00000000, -0xc8740000, -0x00098200, -0xc8540000, -0x00098200, -0x80d40000, -0x00098200, -0xfc21182a, -0xd8340000, -0x00098200, -0x00000000, -0x00060013, -0x00000000, -0x7d14706e, -0x80d40000, -0x00098200, -0x81340000, -0x00098200, -0x7c08b040, -0x7f86b040, -0x7c89b040, -0x00000000, -0xc8340000, -0x00098200, -0x4c00e202, -0xc8740000, -0x00098200, -0x4c002202, -0xc8540000, -0x00098200, -0x40800000, -0x00050847, -0x00000000, -0x2f060000, -0x00000000, -0x558c007e, -0x000900ab, -0x00000000, -0xd8340000, -0x00098200, -0x00000000, -0x7d906214, -0x00000000, -0xfc011000, -0x00000000, -0x3e0c0000, -0x00098200, -0x00000000, -0x41980000, -0x00050805, -0x00000000, -0x41810000, -0x00050803, -0x00000000, -0x41a10000, -0x0005080c, -0x00000000, -0x41810000, -0x00050802, -0x00000000, -0x0006000b, -0x3e0c0000, -0x00098200, -0x00000000, -0x40a10000, -0x00050807, -0x00000000, -0x40a10000, -0x00070800, -0x00000000, -0x48000000, -0x0005000c, -0x00000000, -0x0006000c, -0x80f00000, -0x3a100004, -0x54e815ba, -0x7c11402e, -0x7c0903a6, -0x54ea5d78, -0x54ec9b78, -0x54f4dd78, -0x54eb9d78, -0x4e800420, -0x00000000, -0x0006000f, -0x00000000, -0x40800000, -0x0005080c, -0x0006000d, -0x3e0c0000, -0x00098200, -0x00000000, -0x40a00000, -0x0005080b, -0x00000000, -0x40a00000, -0x00050807, -0x00000000, -0x40a00000, -0x00070800, -0x00000000, -0x48000000, -0x0005000c, -0x00000000, -0x00060011, -0x80f0fffc, -0x54ec9b78, -0x48000000, -0x00070000, -0x00000000, -0x5608fe7c, -0x39080000, -0x00098200, -0x7d31422e, -0x35290000, -0x00098200, -0x7d31432e, -0x41800000, -0x00050894, -0x00000000, -0x7d14706e, -0x81340004, -0x2c080000, -0x00098200, -0x41820000, -0x00050801, -0x00000000, -0x9114fff8, -0x9134fffc, -0x48000000, -0x00070000, -0x00000000, -0x5580007e, -0x000900ab, -0x3e100000, -0x00098200, -0x7e100214, -0x9114fff8, -0x9134fffc, -0x00000000, -0x0006000b, -0x80f00000, -0x3a100004, -0x54e815ba, -0x7c11402e, -0x7c0903a6, -0x54ea5d78, -0x54ec9b78, -0x54f4dd78, -0x54eb9d78, -0x4e800420, -0x00000000, -0x5608fe7c, -0x39080000, -0x00098200, -0x7d31422e, -0x35290000, -0x00098200, -0x7d31432e, -0x41800000, -0x00050894, -0x00000000, -0x80f00000, -0x3a100004, -0x54e815ba, -0x7c11402e, -0x7c0903a6, -0x54ea5d78, -0x54ec9b78, -0x54f4dd78, -0x54eb9d78, -0x4e800420, -0x00000000, -0x81110000, -0x00098200, -0x558c007e, -0x000900ab, -0x93110000, -0x00098200, -0x7d28602e, -0x7c000400, -0x81290000, -0x00098200, -0x91d10000, -0x00098200, -0x7d2903a6, -0x92510000, -0x00098200, -0x3bf10000, -0x00098200, -0x4e800420, -0x00000000, -0x5580007e, -0x000900ab, -0x3e100000, -0x00098200, -0x7e100214, -0x80f00000, -0x3a100004, -0x54e815ba, -0x7c11402e, -0x7c0903a6, -0x54ea5d78, -0x54ec9b78, -0x54f4dd78, -0x54eb9d78, -0x4e800420, -0x00000000, -0x5608fe7c, -0x39080000, -0x00098200, -0x7d31422e, -0x35290000, -0x00098200, -0x7d31432e, -0x41800000, -0x00050896, -0x00000000, -0x81320000, -0x00098200, -0x89100000, -0x00098200, -0x81f00000, -0x00098200, -0x7c144840, -0x55081800, -0x000900a1, -0x41810000, -0x00050820, -0x00000000, -0x80f00000, -0x3a100004, -0x00000000, -0x0006000c, -0x7c0b4040, -0x40810000, -0x00050803, -0x00000000, -0x54ec9b78, -0x48000000, -0x00070000, -0x00000000, -0x54e815ba, -0x7c11402e, -0x7c0903a6, -0x54ea5d78, -0x54ec9b78, -0x54f4dd78, -0x54eb9d78, -0x4e800420, -0x00000000, -0x0006000d, -0x7eee592e, -0x396b0008, -0x48000000, -0x0005000c, -0x00000000, -0x7c810808, -0x00000000, -0x81320000, -0x00098200, -0x7d0e5a14, -0x7c145a14, -0x91480004, -0x38cb0000, -0x00098200, -0x81f00000, -0x00098200, -0x7c004840, -0x90c80000, -0x40800000, -0x00050820, -0x89300000, -0x00098200, -0x7dd47378, -0x7d0b4378, -0x80f00000, -0x3a100004, -0x2c090000, -0x39c80008, -0x41820000, -0x00050803, -0x0006000b, -0x7c145840, -0x80140000, -0x80d40004, -0x40800000, -0x00050804, -0x92f40000, -0x3a940008, -0x0006000c, -0x3529ffff, -0x90080008, -0x90c8000c, -0x39080008, -0x40820000, -0x0005080b, -0x0006000d, -0x54e815ba, -0x7c11402e, -0x7c0903a6, -0x54ea5d78, -0x54ec9b78, -0x54f4dd78, -0x54eb9d78, -0x4e800420, -0x0006000e, -0x38000000, -0x00098200, -0x48000000, -0x0005000c, -0x00000000, -0x80ca0000, -0x00098200, -0x00000000, -0x80d10000, -0x00098200, -0x00000000, -0x7d145a14, -0x81320000, -0x00098200, -0x7d6e5a14, -0x91d20000, -0x00098200, -0x7c084840, -0x91720000, -0x00098200, -0x38000000, -0x00098200, -0x7cc903a6, -0x00000000, -0x808a0000, -0x00098200, -0x00000000, -0x7e439378, -0x41810000, -0x0005081f, -0x90110000, -0x00098200, -0x4e800421, -0x81d20000, -0x00098200, -0x546c1800, -0x000900a1, -0x81120000, -0x00098200, -0x38000000, -0x00098200, -0x820efff8, -0x7e8c4050, -0x90110000, -0x00098200, -0x48000000, -0x00050016, -0x00000000, -0x00010000 -}; - -enum { - GLOB_vm_returnp, - GLOB_cont_dispatch, - GLOB_vm_returnc, - GLOB_BC_RET_Z, - GLOB_vm_return, - GLOB_vm_leave_cp, - GLOB_vm_leave_unw, - GLOB_vm_unwind_c, - GLOB_vm_unwind_c_eh, - GLOB_vm_unwind_ff, - GLOB_vm_unwind_ff_eh, - GLOB_vm_growstack_c, - GLOB_vm_growstack_l, - GLOB_vm_resume, - GLOB_vm_pcall, - GLOB_vm_call, - GLOB_vm_call_dispatch, - GLOB_vmeta_call, - GLOB_vm_call_dispatch_f, - GLOB_vm_cpcall, - GLOB_cont_ffi_callback, - GLOB_vm_call_tail, - GLOB_cont_cat, - GLOB_BC_CAT_Z, - GLOB_cont_nop, - GLOB_vmeta_tgets1, - GLOB_vmeta_tgets, - GLOB_vmeta_tgetb, - GLOB_vmeta_tgetv, - GLOB_vmeta_tsets1, - GLOB_vmeta_tsets, - GLOB_vmeta_tsetb, - GLOB_vmeta_tsetv, - GLOB_vmeta_comp, - GLOB_vmeta_binop, - GLOB_cont_ra, - GLOB_cont_condt, - GLOB_cont_condf, - GLOB_vmeta_equal, - GLOB_vmeta_equal_cd, - GLOB_vmeta_arith_nv, - GLOB_vmeta_arith_nv2, - GLOB_vmeta_unm, - GLOB_vmeta_arith_vn, - GLOB_vmeta_arith_vv, - GLOB_vmeta_arith_vn2, - GLOB_vmeta_arith_vv2, - GLOB_vmeta_len, - GLOB_BC_LEN_Z, - GLOB_vmeta_callt, - GLOB_BC_CALLT_Z, - GLOB_vmeta_for, - GLOB_ff_assert, - GLOB_fff_fallback, - GLOB_fff_res, - GLOB_ff_type, - GLOB_fff_resn, - GLOB_ff_getmetatable, - GLOB_fff_restv, - GLOB_ff_setmetatable, - GLOB_ff_rawget, - GLOB_ff_tonumber, - GLOB_ff_tostring, - GLOB_fff_gcstep, - GLOB_ff_next, - GLOB_ff_pairs, - GLOB_ff_ipairs_aux, - GLOB_ff_ipairs, - GLOB_ff_pcall, - GLOB_ff_xpcall, - GLOB_ff_coroutine_resume, - GLOB_ff_coroutine_wrap_aux, - GLOB_ff_coroutine_yield, - GLOB_ff_math_abs, - GLOB_fff_resi, - GLOB_fff_res1, - GLOB_ff_math_floor, - GLOB_ff_math_ceil, - GLOB_ff_math_sqrt, - GLOB_ff_math_log, - GLOB_ff_math_log10, - GLOB_ff_math_exp, - GLOB_ff_math_sin, - GLOB_ff_math_cos, - GLOB_ff_math_tan, - GLOB_ff_math_asin, - GLOB_ff_math_acos, - GLOB_ff_math_atan, - GLOB_ff_math_sinh, - GLOB_ff_math_cosh, - GLOB_ff_math_tanh, - GLOB_ff_math_pow, - GLOB_ff_math_atan2, - GLOB_ff_math_fmod, - GLOB_ff_math_deg, - GLOB_ff_math_rad, - GLOB_ff_math_ldexp, - GLOB_ff_math_frexp, - GLOB_ff_math_modf, - GLOB_ff_math_min, - GLOB_ff_math_max, - GLOB_ff_string_len, - GLOB_ff_string_byte, - GLOB_ff_string_char, - GLOB_fff_newstr, - GLOB_ff_string_sub, - GLOB_ff_string_rep, - GLOB_ff_string_reverse, - GLOB_ff_string_lower, - GLOB_ff_string_upper, - GLOB_ff_table_getn, - GLOB_ff_bit_band, - GLOB_fff_tobit_fb, - GLOB_fff_bitop_fb, - GLOB_ff_bit_bor, - GLOB_ff_bit_bxor, - GLOB_ff_bit_bswap, - GLOB_ff_bit_bnot, - GLOB_ff_bit_lshift, - GLOB_ff_bit_rshift, - GLOB_ff_bit_arshift, - GLOB_ff_bit_rol, - GLOB_ff_bit_ror, - GLOB_ff_bit_tobit, - GLOB_vm_record, - GLOB_vm_rethook, - GLOB_vm_inshook, - GLOB_cont_hook, - GLOB_vm_hotloop, - GLOB_vm_callhook, - GLOB_vm_hotcall, - GLOB_vm_exit_handler, - GLOB_vm_exit_interp, - GLOB_vm_floor, - GLOB_vm_ceil, - GLOB_vm_trunc, - GLOB_vm_modi, - GLOB_vm_foldarith, - GLOB_vm_ffi_callback, - GLOB_vm_ffi_call, - GLOB_BC_ISEQN_Z, - GLOB_BC_ISNEN_Z, - GLOB_BC_MODVN_Z, - GLOB_BC_TGETS_Z, - GLOB_BC_TSETS_Z, - GLOB_BC_RETV_Z, - GLOB__MAX -}; -static const char *const globnames[] = { - "vm_returnp", - "cont_dispatch", - "vm_returnc", - "BC_RET_Z", - "vm_return", - "vm_leave_cp", - "vm_leave_unw", - "vm_unwind_c", - "vm_unwind_c_eh", - "vm_unwind_ff", - "vm_unwind_ff_eh", - "vm_growstack_c", - "vm_growstack_l", - "vm_resume", - "vm_pcall", - "vm_call", - "vm_call_dispatch", - "vmeta_call", - "vm_call_dispatch_f", - "vm_cpcall", - "cont_ffi_callback", - "vm_call_tail", - "cont_cat", - "BC_CAT_Z", - "cont_nop", - "vmeta_tgets1", - "vmeta_tgets", - "vmeta_tgetb", - "vmeta_tgetv", - "vmeta_tsets1", - "vmeta_tsets", - "vmeta_tsetb", - "vmeta_tsetv", - "vmeta_comp", - "vmeta_binop", - "cont_ra", - "cont_condt", - "cont_condf", - "vmeta_equal", - "vmeta_equal_cd", - "vmeta_arith_nv", - "vmeta_arith_nv2", - "vmeta_unm", - "vmeta_arith_vn", - "vmeta_arith_vv", - "vmeta_arith_vn2", - "vmeta_arith_vv2", - "vmeta_len", - "BC_LEN_Z", - "vmeta_callt", - "BC_CALLT_Z", - "vmeta_for", - "ff_assert", - "fff_fallback", - "fff_res", - "ff_type", - "fff_resn", - "ff_getmetatable", - "fff_restv", - "ff_setmetatable", - "ff_rawget", - "ff_tonumber", - "ff_tostring", - "fff_gcstep", - "ff_next", - "ff_pairs", - "ff_ipairs_aux", - "ff_ipairs", - "ff_pcall", - "ff_xpcall", - "ff_coroutine_resume", - "ff_coroutine_wrap_aux", - "ff_coroutine_yield", - "ff_math_abs", - "fff_resi", - "fff_res1", - "ff_math_floor", - "ff_math_ceil", - "ff_math_sqrt", - "ff_math_log", - "ff_math_log10", - "ff_math_exp", - "ff_math_sin", - "ff_math_cos", - "ff_math_tan", - "ff_math_asin", - "ff_math_acos", - "ff_math_atan", - "ff_math_sinh", - "ff_math_cosh", - "ff_math_tanh", - "ff_math_pow", - "ff_math_atan2", - "ff_math_fmod", - "ff_math_deg", - "ff_math_rad", - "ff_math_ldexp", - "ff_math_frexp", - "ff_math_modf", - "ff_math_min", - "ff_math_max", - "ff_string_len", - "ff_string_byte", - "ff_string_char", - "fff_newstr", - "ff_string_sub", - "ff_string_rep", - "ff_string_reverse", - "ff_string_lower", - "ff_string_upper", - "ff_table_getn", - "ff_bit_band", - "fff_tobit_fb", - "fff_bitop_fb", - "ff_bit_bor", - "ff_bit_bxor", - "ff_bit_bswap", - "ff_bit_bnot", - "ff_bit_lshift", - "ff_bit_rshift", - "ff_bit_arshift", - "ff_bit_rol", - "ff_bit_ror", - "ff_bit_tobit", - "vm_record", - "vm_rethook", - "vm_inshook", - "cont_hook", - "vm_hotloop", - "vm_callhook", - "vm_hotcall", - "vm_exit_handler", - "vm_exit_interp", - "vm_floor", - "vm_ceil", - "vm_trunc", - "vm_modi", - "vm_foldarith", - "vm_ffi_callback", - "vm_ffi_call", - "BC_ISEQN_Z", - "BC_ISNEN_Z", - "BC_MODVN_Z", - "BC_TGETS_Z", - "BC_TSETS_Z", - "BC_RETV_Z", - (const char *)0 -}; -static const char *const extnames[] = { - "lj_state_growstack", - "lj_meta_tget", - "lj_meta_tset", - "lj_meta_comp", - "lj_meta_equal", - "lj_meta_equal_cd", - "lj_meta_arith", - "lj_meta_len", - "lj_meta_call", - "lj_meta_for", - "lj_tab_get", - "lj_str_fromnumber", - "lj_str_fromnum", - "lj_tab_next", - "lj_tab_getinth", - "lj_ffh_coroutine_wrap_err", - "floor", - "ceil", - "sqrt", - "log", - "log10", - "exp", - "sin", - "cos", - "tan", - "asin", - "acos", - "atan", - "sinh", - "cosh", - "tanh", - "pow", - "atan2", - "fmod", - "ldexp", - "frexp", - "modf", - "lj_str_new", - "lj_tab_len", - "lj_gc_step", - "lj_dispatch_ins", - "lj_trace_hot", - "lj_dispatch_call", - "lj_trace_exit", - "lj_err_throw", - "trunc", - "lj_ccallback_enter", - "lj_ccallback_leave", - "lj_meta_cat", - "lj_gc_barrieruv", - "lj_func_closeuv", - "lj_func_newL_gc", - "lj_tab_new", - "lj_tab_dup", - "lj_gc_step_fixtop", - "lj_tab_newkey", - "lj_tab_reasize", - (const char *)0 -}; -#define Dt1(_V) (int)(ptrdiff_t)&(((lua_State *)0)_V) -#define Dt2(_V) (int)(ptrdiff_t)&(((global_State *)0)_V) -#define Dt3(_V) (int)(ptrdiff_t)&(((TValue *)0)_V) -#define Dt4(_V) (int)(ptrdiff_t)&(((GCobj *)0)_V) -#define Dt5(_V) (int)(ptrdiff_t)&(((GCstr *)0)_V) -#define Dt6(_V) (int)(ptrdiff_t)&(((GCtab *)0)_V) -#define Dt7(_V) (int)(ptrdiff_t)&(((GCfuncL *)0)_V) -#define Dt8(_V) (int)(ptrdiff_t)&(((GCfuncC *)0)_V) -#define Dt9(_V) (int)(ptrdiff_t)&(((GCproto *)0)_V) -#define DtA(_V) (int)(ptrdiff_t)&(((GCupval *)0)_V) -#define DtB(_V) (int)(ptrdiff_t)&(((Node *)0)_V) -#define DtC(_V) (int)(ptrdiff_t)&(((int *)0)_V) -#define DtD(_V) (int)(ptrdiff_t)&(((GCtrace *)0)_V) -#define DISPATCH_GL(field) (GG_DISP2G + (int)offsetof(global_State, field)) -#define DISPATCH_J(field) (GG_DISP2J + (int)offsetof(jit_State, field)) -#define PC2PROTO(field) ((int)offsetof(GCproto, field)-(int)sizeof(GCproto)) - -/* Generate subroutines used by opcodes and other parts of the VM. */ -/* The .code_sub section should be last to help static branch prediction. */ -static void build_subroutines(BuildCtx *ctx) -{ - dasm_put(Dst, 0); - dasm_put(Dst, 1, FRAME_P, LJ_TTRUE, FRAME_TYPE, FRAME_C, ~LJ_VMST_C, Dt1(->base), DISPATCH_GL(vmstate), 31-3, Dt1(->top)); - dasm_put(Dst, 55, Dt1(->cframe), 56+(14-14)*4, 128+(14-14)*8, 56+(15-14)*4, 128+(15-14)*8, 56+(16-14)*4, 128+(16-14)*8, 56+(17-14)*4, 128+(17-14)*8, 56+(18-14)*4, 128+(18-14)*8, 56+(19-14)*4, 128+(19-14)*8, 56+(20-14)*4, 128+(20-14)*8, 56+(21-14)*4, 128+(21-14)*8, 56+(22-14)*4, 128+(22-14)*8, 56+(23-14)*4, 128+(23-14)*8); - dasm_put(Dst, 105, 56+(24-14)*4, 128+(24-14)*8, 56+(25-14)*4, 128+(25-14)*8, 56+(26-14)*4, 128+(26-14)*8, 56+(27-14)*4, 128+(27-14)*8, 56+(28-14)*4, 128+(28-14)*8, 56+(29-14)*4, 128+(29-14)*8, 56+(30-14)*4, 128+(30-14)*8, 56+(31-14)*4, 128+(31-14)*8, Dt1(->maxstack)); - dasm_put(Dst, 154, Dt1(->top), 31-3, Dt1(->top), ~LJ_VMST_C, Dt1(->glref), Dt2(->vmstate), LJ_TISNUM, Dt1(->base), Dt1(->glref), LJ_TFALSE, LJ_TNIL, ~LJ_VMST_INTERP, GG_G2DISP); - dasm_put(Dst, 217, DISPATCH_GL(vmstate), LUA_MINSTACK, Dt1(->base), Dt1(->top), 32-3, Dt1(->base), Dt1(->top), Dt7(->pc), 56+(14-14)*4, 128+(14-14)*8, 56+(15-14)*4, 128+(15-14)*8, 56+(16-14)*4, 128+(16-14)*8, 56+(17-14)*4); - dasm_put(Dst, 278, 128+(17-14)*8, 56+(18-14)*4, 128+(18-14)*8, 56+(19-14)*4, 128+(19-14)*8, 56+(20-14)*4, 128+(20-14)*8, 56+(21-14)*4, 128+(21-14)*8, 56+(22-14)*4, 128+(22-14)*8, 56+(23-14)*4, 128+(23-14)*8, 56+(24-14)*4, 128+(24-14)*8, 56+(25-14)*4, 128+(25-14)*8, 56+(26-14)*4, 128+(26-14)*8, 56+(27-14)*4, 128+(27-14)*8, 56+(28-14)*4); - dasm_put(Dst, 325, 128+(28-14)*8, 56+(29-14)*4, 128+(29-14)*8, 56+(30-14)*4, 128+(30-14)*8, 56+(31-14)*4, 128+(31-14)*8, Dt1(->glref), Dt1(->status), FRAME_CP, CFRAME_RESUME, GG_G2DISP, Dt1(->cframe), Dt1(->base), LJ_TISNUM, Dt1(->top), Dt1(->status), FRAME_TYPE, ~LJ_VMST_INTERP, LJ_TNIL, DISPATCH_GL(vmstate)); - dasm_put(Dst, 393, 56+(14-14)*4, 128+(14-14)*8, 56+(15-14)*4, 128+(15-14)*8, 56+(16-14)*4, 128+(16-14)*8, 56+(17-14)*4, 128+(17-14)*8, 56+(18-14)*4, 128+(18-14)*8, 56+(19-14)*4, 128+(19-14)*8, 56+(20-14)*4, 128+(20-14)*8, 56+(21-14)*4, 128+(21-14)*8, 56+(22-14)*4, 128+(22-14)*8, 56+(23-14)*4); - dasm_put(Dst, 440, 128+(23-14)*8, 56+(24-14)*4, 128+(24-14)*8, 56+(25-14)*4, 128+(25-14)*8, 56+(26-14)*4, 128+(26-14)*8, 56+(27-14)*4, 128+(27-14)*8, 56+(28-14)*4, 128+(28-14)*8, 56+(29-14)*4, 128+(29-14)*8, 56+(30-14)*4, 128+(30-14)*8, 56+(31-14)*4, 128+(31-14)*8, FRAME_CP, 56+(14-14)*4, 128+(14-14)*8); - dasm_put(Dst, 488, 56+(15-14)*4, 128+(15-14)*8, 56+(16-14)*4, 128+(16-14)*8, 56+(17-14)*4, 128+(17-14)*8, 56+(18-14)*4, 128+(18-14)*8, 56+(19-14)*4, 128+(19-14)*8, 56+(20-14)*4, 128+(20-14)*8, 56+(21-14)*4, 128+(21-14)*8, 56+(22-14)*4, 128+(22-14)*8, 56+(23-14)*4, 128+(23-14)*8, 56+(24-14)*4, 128+(24-14)*8, 56+(25-14)*4, 128+(25-14)*8); - dasm_put(Dst, 535, 56+(26-14)*4, 128+(26-14)*8, 56+(27-14)*4, 128+(27-14)*8, 56+(28-14)*4, 128+(28-14)*8, 56+(29-14)*4, 128+(29-14)*8, 56+(30-14)*4, 128+(30-14)*8, 56+(31-14)*4, 128+(31-14)*8, FRAME_C, Dt1(->cframe), Dt1(->cframe), Dt1(->glref), GG_G2DISP, Dt1(->base), LJ_TISNUM, Dt1(->top)); - dasm_put(Dst, 586, ~LJ_VMST_INTERP, LJ_TNIL, DISPATCH_GL(vmstate), LJ_TFUNC, Dt7(->pc), 56+(14-14)*4, 128+(14-14)*8, 56+(15-14)*4, 128+(15-14)*8, 56+(16-14)*4, 128+(16-14)*8, 56+(17-14)*4, 128+(17-14)*8, 56+(18-14)*4, 128+(18-14)*8, 56+(19-14)*4, 128+(19-14)*8, 56+(20-14)*4); - dasm_put(Dst, 653, 128+(20-14)*8, 56+(21-14)*4, 128+(21-14)*8, 56+(22-14)*4, 128+(22-14)*8, 56+(23-14)*4, 128+(23-14)*8, 56+(24-14)*4, 128+(24-14)*8, 56+(25-14)*4, 128+(25-14)*8, 56+(26-14)*4, 128+(26-14)*8, 56+(27-14)*4, 128+(27-14)*8, 56+(28-14)*4, 128+(28-14)*8, 56+(29-14)*4, 128+(29-14)*8, 56+(30-14)*4, 128+(30-14)*8, 56+(31-14)*4); - dasm_put(Dst, 700, 128+(31-14)*8, Dt1(->stack), Dt1(->top), Dt1(->cframe), Dt1(->cframe), Dt1(->glref), FRAME_CP, GG_G2DISP); -#if LJ_HASFFI - dasm_put(Dst, 738); -#endif - dasm_put(Dst, 740, Dt7(->pc)); -#if LJ_HASFFI - dasm_put(Dst, 746); -#endif - dasm_put(Dst, 749, PC2PROTO(k)); -#if LJ_HASFFI - dasm_put(Dst, 754); -#endif - dasm_put(Dst, 762, Dt1(->base), DISPATCH_GL(tmptv), LJ_TSTR, DISPATCH_GL(tmptv), LJ_TTAB, DISPATCH_GL(tmptv2), LJ_TSTR); - if (!LJ_DUALNUM) { - dasm_put(Dst, 807); - } - dasm_put(Dst, 811, DISPATCH_GL(tmptv)); - if (LJ_DUALNUM) { - dasm_put(Dst, 816); - } else { - dasm_put(Dst, 819); - } - dasm_put(Dst, 821, Dt1(->base), FRAME_CONT, Dt1(->top), DISPATCH_GL(tmptv), LJ_TSTR, DISPATCH_GL(tmptv), LJ_TTAB, DISPATCH_GL(tmptv2), LJ_TSTR); - if (!LJ_DUALNUM) { - dasm_put(Dst, 889); - } - dasm_put(Dst, 893, DISPATCH_GL(tmptv)); - if (LJ_DUALNUM) { - dasm_put(Dst, 898); - } else { - dasm_put(Dst, 901); - } - dasm_put(Dst, 903, Dt1(->base), FRAME_CONT, Dt1(->top)); - if (LJ_DUALNUM) { - dasm_put(Dst, 948); - } else { - dasm_put(Dst, 950); - } - dasm_put(Dst, 952); - if (LJ_DUALNUM) { - dasm_put(Dst, 954); - } else { - dasm_put(Dst, 956); - } - dasm_put(Dst, 958, Dt1(->base), -(BCBIAS_J*4 >> 16), LJ_TTRUE, LJ_TTRUE, Dt1(->base)); -#if LJ_HASFFI - dasm_put(Dst, 1021, Dt1(->base)); -#endif - dasm_put(Dst, 1032); - if (LJ_DUALNUM) { - dasm_put(Dst, 1039); - } - dasm_put(Dst, 1044); - if (LJ_DUALNUM) { - dasm_put(Dst, 1058); - } - dasm_put(Dst, 1061); - if (LJ_DUALNUM) { - dasm_put(Dst, 1064); - } - dasm_put(Dst, 1067, Dt1(->base), FRAME_CONT); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 1091); -#endif - dasm_put(Dst, 1093, Dt1(->base)); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 1101); -#else - dasm_put(Dst, 1108); -#endif - dasm_put(Dst, 1111, Dt1(->base), Dt7(->pc), Dt1(->base), Dt1(->base)); -#if LJ_HASJIT - dasm_put(Dst, 1159); -#endif - dasm_put(Dst, 1161); -#if LJ_HASJIT - dasm_put(Dst, 1163, BC_JFORI); -#endif - dasm_put(Dst, 1166); -#if LJ_HASJIT - dasm_put(Dst, 1168, BC_JFORI); -#endif - dasm_put(Dst, 1171, BC_FORI, LJ_TFALSE, ~LJ_TISNUM+1, 31-3, Dt8(->upvalue), LJ_TTAB, Dt6(->metatable)); - dasm_put(Dst, 1234, LJ_TNIL, DISPATCH_GL(gcroot[GCROOT_MMNAME+MM_metatable]), Dt6(->hmask), LJ_TTAB, Dt5(->hash), Dt6(->node), 31-5, 31-3, DtB(->key), 4+offsetof(Node, key), DtB(->val), 4+offsetof(Node, val), LJ_TSTR, DtB(->next)); - dasm_put(Dst, 1282, LJ_TNIL, LJ_TUDATA, ~LJ_TISNUM+1, 31-2, DISPATCH_GL(gcroot[GCROOT_BASEMT]), LJ_TTAB, Dt6(->metatable), LJ_TTAB, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable)); - dasm_put(Dst, 1337, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->marked), Dt6(->gclist), LJ_TTAB, LJ_TSTR, DISPATCH_GL(gcroot[GCROOT_BASEMT_NUM]), Dt1(->base)); - dasm_put(Dst, 1397, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - if (LJ_DUALNUM) { - dasm_put(Dst, 1407); - } else { - dasm_put(Dst, 1410); - } - dasm_put(Dst, 1413, LJ_TSTR, LJ_TTAB, Dt1(->base), Dt1(->top), LJ_TNIL, (2+1)*8, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 1464, Dt6(->metatable), Dt8(->upvalue[0])); -#else - dasm_put(Dst, 1473, Dt8(->upvalue[0])); -#endif - dasm_put(Dst, 1477, (3+1)*8); - if (LJ_DUALNUM) { - dasm_put(Dst, 1489); - } else { - dasm_put(Dst, 1491); - } - dasm_put(Dst, 1493, LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 1500); - } else { - dasm_put(Dst, 1505); - } - dasm_put(Dst, 1517, Dt6(->asize), Dt6(->array)); - if (!LJ_DUALNUM) { - dasm_put(Dst, 1522); - } - dasm_put(Dst, 1524); - if (LJ_DUALNUM) { - dasm_put(Dst, 1528, 31-3); - } else { - dasm_put(Dst, 1533, 31-3); - } - dasm_put(Dst, 1537, LJ_TNIL, (0+1)*8, (2+1)*8, Dt6(->hmask), (0+1)*8, (0+1)*8, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 1585, Dt6(->metatable), Dt8(->upvalue[0])); -#else - dasm_put(Dst, 1594, Dt8(->upvalue[0])); -#endif - if (LJ_DUALNUM) { - dasm_put(Dst, 1598); - } else { - dasm_put(Dst, 1600); - } - dasm_put(Dst, 1602, (3+1)*8, DISPATCH_GL(hookmask), 32-HOOK_ACTIVE_SHIFT, 8+FRAME_PCALL, DISPATCH_GL(hookmask), LJ_TFUNC, 32-HOOK_ACTIVE_SHIFT, 16+FRAME_PCALL, LJ_TTHREAD, Dt1(->status), Dt1(->cframe)); - dasm_put(Dst, 1663, Dt1(->top), LUA_YIELD, Dt1(->base), Dt1(->maxstack), Dt1(->base), Dt1(->top), Dt1(->top), Dt1(->base), LUA_YIELD, Dt1(->top), ~LJ_VMST_INTERP, Dt1(->base), DISPATCH_GL(vmstate)); - dasm_put(Dst, 1725, Dt1(->maxstack), Dt1(->top), FRAME_TYPE, LJ_TTRUE, FRAME_TYPE, LJ_TFALSE, Dt1(->top), (2+1)*8, 32-3); - dasm_put(Dst, 1788, Dt8(->upvalue[0].gcr), Dt1(->status), Dt1(->cframe), Dt1(->top), LUA_YIELD, Dt1(->base), Dt1(->maxstack), Dt1(->base), Dt1(->top), Dt1(->top), Dt1(->base), LUA_YIELD, Dt1(->top), ~LJ_VMST_INTERP); - dasm_put(Dst, 1847, Dt1(->base), DISPATCH_GL(vmstate), Dt1(->maxstack), Dt1(->top), FRAME_TYPE, 32-3, Dt1(->cframe)); - dasm_put(Dst, 1904, Dt1(->base), CFRAME_RESUME, Dt1(->top), LUA_YIELD, Dt1(->cframe), Dt1(->status)); - if (LJ_DUALNUM) { - dasm_put(Dst, 1929); - } - dasm_put(Dst, 1950, (1+1)*8, FRAME_TYPE); - if (LJ_DUALNUM) { - dasm_put(Dst, 1992, 31-11, 32-21, 31-11); - dasm_put(Dst, 2074, 31-11, 32-21, 31-11); - } else { - dasm_put(Dst, 2128); - } - dasm_put(Dst, 2155); - dasm_put(Dst, 2214); - dasm_put(Dst, 2272); - dasm_put(Dst, 2328, Dt8(->upvalue[0])); - dasm_put(Dst, 2394); - if (LJ_DUALNUM) { - dasm_put(Dst, 2398); - } else { - dasm_put(Dst, 2413); - } - dasm_put(Dst, 2431, DISPATCH_GL(tmptv), DISPATCH_GL(tmptv)); - if (!LJ_DUALNUM) { - dasm_put(Dst, 2453); - } - dasm_put(Dst, 2458, (2+1)*8); - if (LJ_DUALNUM) { - dasm_put(Dst, 2462); - } else { - dasm_put(Dst, 2465); - } - dasm_put(Dst, 2467, (2+1)*8); - if (LJ_DUALNUM) { - dasm_put(Dst, 2489); - } else { - dasm_put(Dst, 2558); - } - if (LJ_DUALNUM) { - dasm_put(Dst, 2583); - } else { - dasm_put(Dst, 2652); - } - dasm_put(Dst, 2677, LJ_TSTR, Dt5(->len), LJ_TSTR, Dt5(->len)); - if (LJ_DUALNUM) { - dasm_put(Dst, 2704, Dt5([1]), (0+1)*8); - } else { - dasm_put(Dst, 2716, Dt5([1]), 31-3); - } - dasm_put(Dst, 2732, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - if (LJ_DUALNUM) { - dasm_put(Dst, 2743); - } else { - dasm_put(Dst, 2751); - } - dasm_put(Dst, 2762, Dt1(->base), Dt1(->base), LJ_TSTR, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - if (!LJ_DUALNUM) { - dasm_put(Dst, 2790); - } - dasm_put(Dst, 2792); - if (LJ_DUALNUM) { - dasm_put(Dst, 2798); - } else { - dasm_put(Dst, 2800); - } - dasm_put(Dst, 2802); - if (LJ_DUALNUM) { - dasm_put(Dst, 2806); - } else { - dasm_put(Dst, 2815); - } - dasm_put(Dst, 2826, LJ_TSTR); - if (!LJ_DUALNUM) { - dasm_put(Dst, 2831); - } - dasm_put(Dst, 2835, Dt5(->len), sizeof(GCstr)-1, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - if (LJ_DUALNUM) { - dasm_put(Dst, 2885); - } else { - dasm_put(Dst, 2887); - } - dasm_put(Dst, 2889, LJ_TSTR); - if (LJ_DUALNUM) { - dasm_put(Dst, 2896); - } else { - dasm_put(Dst, 2900); - } - dasm_put(Dst, 2907, Dt5(->len), DISPATCH_GL(tmpbuf.sz), Dt5([1]), DISPATCH_GL(tmpbuf.buf), DISPATCH_GL(strempty), LJ_TSTR, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, DISPATCH_GL(tmpbuf.sz)); - dasm_put(Dst, 2960, Dt5(->len), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, DISPATCH_GL(tmpbuf.sz), Dt5(->len), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf)); - dasm_put(Dst, 3018, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, DISPATCH_GL(tmpbuf.sz), Dt5(->len), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf), LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 3087); - } else { - dasm_put(Dst, 3097); - } - dasm_put(Dst, 3110); - if (LJ_DUALNUM) { - dasm_put(Dst, 3116); - } else { - dasm_put(Dst, 3118); - } - dasm_put(Dst, 3120); - if (LJ_DUALNUM) { - dasm_put(Dst, 3124); - } else { - dasm_put(Dst, 3127); - } - dasm_put(Dst, 3133); - if (LJ_DUALNUM) { - dasm_put(Dst, 3138); - } else { - dasm_put(Dst, 3148); - } - dasm_put(Dst, 3161); - if (LJ_DUALNUM) { - dasm_put(Dst, 3167); - } else { - dasm_put(Dst, 3169); - } - dasm_put(Dst, 3171); - if (LJ_DUALNUM) { - dasm_put(Dst, 3175); - } else { - dasm_put(Dst, 3178); - } - dasm_put(Dst, 3184); - if (LJ_DUALNUM) { - dasm_put(Dst, 3189); - } else { - dasm_put(Dst, 3199); - } - dasm_put(Dst, 3212); - if (LJ_DUALNUM) { - dasm_put(Dst, 3218); - } else { - dasm_put(Dst, 3220); - } - dasm_put(Dst, 3222); - if (LJ_DUALNUM) { - dasm_put(Dst, 3226); - } else { - dasm_put(Dst, 3229); - } - dasm_put(Dst, 3235); - if (LJ_DUALNUM) { - dasm_put(Dst, 3240); - } else { - dasm_put(Dst, 3250); - } - dasm_put(Dst, 3263); - if (LJ_DUALNUM) { - dasm_put(Dst, 3270); - } else { - dasm_put(Dst, 3280); - } - dasm_put(Dst, 3293); - if (LJ_DUALNUM) { - dasm_put(Dst, 3297); - } else { - dasm_put(Dst, 3312); - } - dasm_put(Dst, 3333); - if (LJ_DUALNUM) { - dasm_put(Dst, 3338); - } else { - dasm_put(Dst, 3353); - } - dasm_put(Dst, 3374); - if (LJ_DUALNUM) { - dasm_put(Dst, 3379); - } else { - dasm_put(Dst, 3394); - } - dasm_put(Dst, 3415); - if (LJ_DUALNUM) { - dasm_put(Dst, 3420); - } else { - dasm_put(Dst, 3435); - } - dasm_put(Dst, 3456); - if (LJ_DUALNUM) { - dasm_put(Dst, 3460); - } else { - dasm_put(Dst, 3475); - } - dasm_put(Dst, 3496); - if (LJ_DUALNUM) { - dasm_put(Dst, 3501); - } else { - dasm_put(Dst, 3511); - } - if (LJ_DUALNUM) { - dasm_put(Dst, 3524); - } else { - dasm_put(Dst, 3527); - } - dasm_put(Dst, 3533); - if (LJ_DUALNUM) { - dasm_put(Dst, 3541); - } - dasm_put(Dst, 3549); - if (LJ_DUALNUM) { - dasm_put(Dst, 3551); - } - dasm_put(Dst, 3559, Dt8(->f), 8*LUA_MINSTACK, Dt1(->maxstack), Dt1(->base), Dt1(->top), Dt1(->base), 31-3, Dt1(->top), Dt7(->pc), FRAME_TYPE, LUA_MINSTACK); - dasm_put(Dst, 3622, Dt1(->base), Dt1(->base), Dt1(->top), Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 3648, DISPATCH_GL(hookmask), HOOK_VMEVENT, DISPATCH_GL(hookcount), HOOK_ACTIVE, LUA_MASKLINE|LUA_MASKCOUNT, DISPATCH_GL(hookcount)); -#endif - dasm_put(Dst, 3670, DISPATCH_GL(hookmask), HOOK_ACTIVE, GG_DISP2STATIC, DISPATCH_GL(hookmask), DISPATCH_GL(hookcount), HOOK_ACTIVE, 31-LUA_HOOKLINE, DISPATCH_GL(hookcount), Dt1(->base), Dt1(->base)); - dasm_put(Dst, 3717, GG_DISP2STATIC); -#if LJ_HASJIT - dasm_put(Dst, 3735, GG_DISP2J, Dt7(->pc), DISPATCH_J(L), PC2PROTO(framesize), Dt1(->base), 31-3, Dt1(->top)); -#endif - dasm_put(Dst, 3758); -#if LJ_HASJIT - dasm_put(Dst, 3761); -#endif - dasm_put(Dst, 3764); -#if LJ_HASJIT - dasm_put(Dst, 3766); -#endif - dasm_put(Dst, 3769, Dt1(->base), Dt1(->top), Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 3792, -(16+32*8+32*4), 16+32*8+2*4, -GG_DISP2G-32768, ~LJ_VMST_EXIT, 16+32*8+32*4, DISPATCH_GL(vmstate), 16+0*8, 16+1*8, 16+2*8, 16+3*8, 16+4*8, 16+5*8, 16+6*8, 16+7*8, 16+32*8+32*4, 16+8*8, 16+9*8, 16+10*8, 16+11*8, 16+32*8+1*4, 16+12*8, 16+13*8); - dasm_put(Dst, 3839, 16+14*8, 16+15*8, 16+16*8, 16+17*8, 16+18*8, 16+19*8, 16+32*8+0*4, 16+20*8, 16+21*8, 16+22*8, 16+23*8, 16+24*8, 16+25*8, 16+26*8, 16+27*8, DISPATCH_GL(jit_L), 16+28*8, 16+29*8, 16+30*8, 16+31*8, DISPATCH_GL(jit_base), 32-2); - dasm_put(Dst, 3888, DISPATCH_J(L), DISPATCH_GL(jit_L), DISPATCH_J(parent), Dt1(->base), GG_DISP2J, DISPATCH_J(exitno), Dt1(->cframe), Dt1(->base)); -#endif - dasm_put(Dst, 3916); -#if LJ_HASJIT - dasm_put(Dst, 3918, -GG_DISP2G-32768, 31-3, Dt7(->pc), DISPATCH_GL(jit_L), PC2PROTO(k), LJ_TISNUM, LJ_TNIL, DISPATCH_GL(vmstate), BC_FUNCF*4); -#endif - dasm_put(Dst, 3975); -#if LJ_HASJIT - dasm_put(Dst, 3983); -#endif - dasm_put(Dst, 3986); -#if LJ_HASJIT - dasm_put(Dst, 4066); -#else - dasm_put(Dst, 4088); -#endif - dasm_put(Dst, 4090); -#if LJ_HASFFI -#define DtE(_V) (int)(ptrdiff_t)&(((CTState *)0)_V) - dasm_put(Dst, 4092, 56+(14-14)*4, 128+(14-14)*8, 56+(15-14)*4, 128+(15-14)*8, 56+(16-14)*4, 128+(16-14)*8, 56+(17-14)*4, 128+(17-14)*8, 56+(18-14)*4, 128+(18-14)*8, 56+(19-14)*4, 128+(19-14)*8, 56+(20-14)*4, 128+(20-14)*8, 56+(21-14)*4, 128+(21-14)*8, 56+(22-14)*4, 128+(22-14)*8, 56+(23-14)*4, 128+(23-14)*8, 56+(24-14)*4, 128+(24-14)*8); - dasm_put(Dst, 4140, 56+(25-14)*4, 128+(25-14)*8, 56+(26-14)*4, 128+(26-14)*8, 56+(27-14)*4, 128+(27-14)*8, 56+(28-14)*4, 128+(28-14)*8, 56+(29-14)*4, 128+(29-14)*8, 56+(30-14)*4, 128+(30-14)*8, 56+(31-14)*4, 128+(31-14)*8, Dt2(->ctype_state), GG_G2DISP, DtE(->cb.slot), DtE(->cb.gpr[0]), DtE(->cb.fpr[0]), DtE(->cb.gpr[1]), DtE(->cb.fpr[1]), DtE(->cb.gpr[2])); - dasm_put(Dst, 4187, DtE(->cb.fpr[2]), DtE(->cb.gpr[3]), DtE(->cb.fpr[3]), DtE(->cb.gpr[4]), DtE(->cb.fpr[4]), DtE(->cb.gpr[5]), DtE(->cb.fpr[5]), DtE(->cb.gpr[6]), DtE(->cb.fpr[6]), DtE(->cb.gpr[7]), DtE(->cb.fpr[7]), 272+8, DtE(->cb.stack), Dt1(->base), LJ_TISNUM, Dt1(->top), LJ_TNIL, ~LJ_VMST_INTERP, DISPATCH_GL(vmstate), Dt7(->pc)); -#endif - dasm_put(Dst, 4251); -#if LJ_HASFFI - dasm_put(Dst, 4253, DISPATCH_GL(ctype_state), Dt1(->base), Dt1(->top), DtE(->L), DtE(->cb.gpr[0]), DtE(->cb.fpr[0]), DtE(->cb.gpr[1])); -#endif - dasm_put(Dst, 4274); -#if LJ_HASFFI -#define DtF(_V) (int)(ptrdiff_t)&(((CCallState *)0)_V) - dasm_put(Dst, 4276, DtF(->spadj), DtF(->nsp), DtF(->nfpr), DtF(->stack), 31-2, DtF(->fpr[0]), DtF(->fpr[1]), DtF(->fpr[2]), DtF(->fpr[3]), DtF(->fpr[4]), DtF(->fpr[5]), DtF(->fpr[6]), DtF(->fpr[7]), DtF(->func), DtF(->gpr[1]), DtF(->gpr[2])); - dasm_put(Dst, 4334, DtF(->gpr[3]), DtF(->gpr[4]), DtF(->gpr[5]), DtF(->gpr[6]), DtF(->gpr[7]), DtF(->gpr[0]), DtF(->gpr[0]), DtF(->fpr[0]), DtF(->gpr[1]), DtF(->gpr[2]), DtF(->gpr[3])); -#endif -} - -/* Generate the code for a single instruction. */ -static void build_ins(BuildCtx *ctx, BCOp op, int defop) -{ - int vk = 0; - dasm_put(Dst, 4366, defop); - - switch (op) { - - /* -- Comparison ops ---------------------------------------------------- */ - - /* Remember: all ops branch for a true comparison, fall through otherwise. */ - - case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: - if (LJ_DUALNUM) { - dasm_put(Dst, 4368, -(BCBIAS_J*4 >> 16)); - if (op == BC_ISLT) { - dasm_put(Dst, 4385); - } else if (op == BC_ISGE) { - dasm_put(Dst, 4388); - } else if (op == BC_ISLE) { - dasm_put(Dst, 4391); - } else { - dasm_put(Dst, 4394); - } - dasm_put(Dst, 4397); - if (op == BC_ISLT) { - dasm_put(Dst, 4436); - } else if (op == BC_ISGE) { - dasm_put(Dst, 4439); - } else if (op == BC_ISLE) { - dasm_put(Dst, 4442); - } else { - dasm_put(Dst, 4446); - } - dasm_put(Dst, 4450); - } else { - dasm_put(Dst, 4453, -(BCBIAS_J*4 >> 16)); - if (op == BC_ISLT) { - dasm_put(Dst, 4470); - } else if (op == BC_ISGE) { - dasm_put(Dst, 4473); - } else if (op == BC_ISLE) { - dasm_put(Dst, 4476); - } else { - dasm_put(Dst, 4480); - } - dasm_put(Dst, 4484); - } - break; - - case BC_ISEQV: case BC_ISNEV: - vk = op == BC_ISEQV; - if (LJ_DUALNUM) { - dasm_put(Dst, 4497, -(BCBIAS_J*4 >> 16)); - if (vk) { - dasm_put(Dst, 4510); - } else { - dasm_put(Dst, 4513); - } - } else { - dasm_put(Dst, 4516, -(BCBIAS_J*4 >> 16)); - if (vk) { - dasm_put(Dst, 4533); - } else { - dasm_put(Dst, 4537); - } - dasm_put(Dst, 4541); - } - dasm_put(Dst, 4553); - if (!LJ_DUALNUM) { - dasm_put(Dst, 4555); - } - if (LJ_HASFFI) { - dasm_put(Dst, 4558, LJ_TCDATA, LJ_TCDATA); - } - dasm_put(Dst, 4563, ~LJ_TISPRI); - if (LJ_HASFFI) { - dasm_put(Dst, 4568); - } - dasm_put(Dst, 4570, ~LJ_TISTABUD); - if (LJ_HASFFI) { - dasm_put(Dst, 4573); - } - dasm_put(Dst, 4576); - if (vk) { - dasm_put(Dst, 4584); - } else { - dasm_put(Dst, 4589); - } - if (LJ_DUALNUM) { - dasm_put(Dst, 4594); - } else { - dasm_put(Dst, 4609); - } - dasm_put(Dst, 4612, Dt6(->metatable), 1-vk, Dt6(->nomm), 1<> 16)); - if (vk) { - dasm_put(Dst, 4657); - } else { - dasm_put(Dst, 4659); - } - dasm_put(Dst, 4661); - break; - - case BC_ISEQN: case BC_ISNEN: - vk = op == BC_ISEQN; - if (LJ_DUALNUM) { - dasm_put(Dst, 4673, -(BCBIAS_J*4 >> 16)); - if (vk) { - dasm_put(Dst, 4685); - } else { - dasm_put(Dst, 4687); - } - dasm_put(Dst, 4689); - } else { - if (vk) { - dasm_put(Dst, 4696); - } else { - dasm_put(Dst, 4698); - } - dasm_put(Dst, 4700, -(BCBIAS_J*4 >> 16)); - } - if (vk) { - dasm_put(Dst, 4713); - if (!LJ_HASFFI) { - dasm_put(Dst, 4718); - } - } else { - dasm_put(Dst, 4720); - if (!LJ_HASFFI) { - dasm_put(Dst, 4724); - } - dasm_put(Dst, 4726); - } - dasm_put(Dst, 4729); - if (LJ_HASFFI) { - dasm_put(Dst, 4740, LJ_TCDATA); - } - if (LJ_DUALNUM) { - dasm_put(Dst, 4748); - } - break; - - case BC_ISEQP: case BC_ISNEP: - vk = op == BC_ISEQP; - dasm_put(Dst, 4772, 32-3); - if (LJ_HASFFI) { - dasm_put(Dst, 4779, LJ_TCDATA); - } - dasm_put(Dst, 4782); - if (LJ_HASFFI) { - dasm_put(Dst, 4784); - } - dasm_put(Dst, 4787, -(BCBIAS_J*4 >> 16)); - if (vk) { - dasm_put(Dst, 4793); - } else { - dasm_put(Dst, 4795); - } - dasm_put(Dst, 4797); - break; - - /* -- Unary test and copy ops ------------------------------------------- */ - - case BC_ISTC: case BC_ISFC: case BC_IST: case BC_ISF: - dasm_put(Dst, 4809); - if (op == BC_IST || op == BC_ISF) { - dasm_put(Dst, 4813, LJ_TTRUE, -(BCBIAS_J*4 >> 16)); - if (op == BC_IST) { - dasm_put(Dst, 4820); - } else { - dasm_put(Dst, 4822); - } - dasm_put(Dst, 4824); - } else { - dasm_put(Dst, 4826, LJ_TFALSE); - if (op == BC_ISTC) { - dasm_put(Dst, 4831); - } else { - dasm_put(Dst, 4834); - } - dasm_put(Dst, 4837, -(BCBIAS_J*4 >> 16)); - } - dasm_put(Dst, 4844); - break; - - /* -- Unary ops --------------------------------------------------------- */ - - case BC_MOV: - dasm_put(Dst, 4855); - break; - case BC_NOT: - dasm_put(Dst, 4868, LJ_TTRUE); - break; - case BC_UNM: - dasm_put(Dst, 4884); - if (LJ_DUALNUM) { - dasm_put(Dst, 4888); - } - dasm_put(Dst, 4916); - if (LJ_DUALNUM) { - dasm_put(Dst, 4926); - } else { - dasm_put(Dst, 4929); - } - break; - case BC_LEN: - dasm_put(Dst, 4938, LJ_TSTR, Dt5(->len)); - if (LJ_DUALNUM) { - dasm_put(Dst, 4948); - } else { - dasm_put(Dst, 4953); - } - dasm_put(Dst, 4960, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 4974, Dt6(->metatable)); -#endif - dasm_put(Dst, 4981); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 4987, Dt6(->nomm), 1<base), 32-3, Dt1(->base)); - break; - - /* -- Constant ops ------------------------------------------------------ */ - - case BC_KSTR: - dasm_put(Dst, 5790, 32-1, LJ_TSTR); - break; - case BC_KCDATA: -#if LJ_HASFFI - dasm_put(Dst, 5809, 32-1, LJ_TCDATA); -#endif - break; - case BC_KSHORT: - if (LJ_DUALNUM) { - dasm_put(Dst, 5828, 31-13); - } else { - dasm_put(Dst, 5844, 31-13, 31-20); - } - break; - case BC_KNUM: - dasm_put(Dst, 5872); - break; - case BC_KPRI: - dasm_put(Dst, 5885, 32-3); - break; - case BC_KNIL: - dasm_put(Dst, 5900); - break; - - /* -- Upvalue and function ops ------------------------------------------ */ - - case BC_UGET: - dasm_put(Dst, 5919, 32-1, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_USETV: - dasm_put(Dst, 5940, 32-1, offsetof(GCfuncL, uvptr), DtA(->marked), DtA(->v), LJ_GC_BLACK, DtA(->closed), -(LJ_TISNUM+1), LJ_TISGCV - (LJ_TISNUM+1), Dt4(->gch.marked), LJ_GC_WHITES, GG_DISP2G); - break; - case BC_USETS: - dasm_put(Dst, 5993, 32-1, 32-1, offsetof(GCfuncL, uvptr), DtA(->marked), DtA(->v), LJ_GC_BLACK, Dt5(->marked), DtA(->closed), LJ_TSTR, LJ_GC_WHITES, GG_DISP2G); - break; - case BC_USETN: - dasm_put(Dst, 6044, 32-1, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_USETP: - dasm_put(Dst, 6065, 32-1, 32-3, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - - case BC_UCLO: - dasm_put(Dst, 6088, Dt1(->openupval), 32-1, -(BCBIAS_J*4 >> 16), Dt1(->base), Dt1(->base)); - break; - - case BC_FNEW: - dasm_put(Dst, 6118, 32-1, Dt1(->base), Dt1(->base), LJ_TFUNC); - break; - - /* -- Table ops --------------------------------------------------------- */ - - case BC_TNEW: - case BC_TDUP: - dasm_put(Dst, 6146, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), Dt1(->base)); - if (op == BC_TNEW) { - dasm_put(Dst, 6159); - } else { - dasm_put(Dst, 6168, 32-1); - } - dasm_put(Dst, 6175, Dt1(->base), LJ_TTAB); - if (op == BC_TNEW) { - dasm_put(Dst, 6192); - } - dasm_put(Dst, 6197); - break; - - case BC_GGET: - case BC_GSET: - dasm_put(Dst, 6206, 32-1, Dt7(->env)); - if (op == BC_GGET) { - dasm_put(Dst, 6214); - } else { - dasm_put(Dst, 6217); - } - break; - - case BC_TGETV: - dasm_put(Dst, 6220); - if (LJ_DUALNUM) { - dasm_put(Dst, 6224); - } else { - dasm_put(Dst, 6226); - } - dasm_put(Dst, 6228, LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 6234, Dt6(->asize), Dt6(->array), 31-3); - } else { - dasm_put(Dst, 6244, Dt6(->asize), Dt6(->array), 31-3); - } - dasm_put(Dst, 6261, LJ_TNIL, Dt6(->metatable), Dt6(->nomm), 1<hmask), Dt5(->hash), Dt6(->node), 31-5, 31-3, DtB(->key), 4+offsetof(Node, key), DtB(->val), 4+offsetof(Node, val), LJ_TSTR, LJ_TNIL, DtB(->next)); - dasm_put(Dst, 6367, LJ_TNIL, Dt6(->metatable), Dt6(->nomm), 1<asize), Dt6(->array), LJ_TNIL, Dt6(->metatable), Dt6(->nomm), 1<asize), Dt6(->array), 31-3); - } else { - dasm_put(Dst, 6459, Dt6(->asize), Dt6(->array), 31-3); - } - dasm_put(Dst, 6476, Dt6(->marked), LJ_TNIL, LJ_GC_BLACK, Dt6(->metatable), Dt6(->nomm), 1<marked), Dt6(->gclist)); - break; - dasm_put(Dst, 6540, LJ_TSTR, LJ_TNIL); - case BC_TSETS: - dasm_put(Dst, 6566, 32-1, LJ_TTAB, Dt6(->hmask), Dt5(->hash), Dt6(->node), Dt6(->nomm), 31-5, 31-3, Dt6(->marked), DtB(->key), 4+offsetof(Node, key), DtB(->val), 4+offsetof(Node, val), LJ_TSTR, LJ_TNIL); - dasm_put(Dst, 6617, LJ_GC_BLACK, DtB(->val), Dt6(->metatable), Dt6(->nomm), 1<next), Dt6(->metatable), DISPATCH_GL(tmptv), Dt1(->base), Dt6(->nomm), 1<base), DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->marked), Dt6(->gclist)); - break; - case BC_TSETB: - dasm_put(Dst, 6698, 32-3, LJ_TTAB, Dt6(->asize), Dt6(->array), Dt6(->marked), LJ_TNIL, LJ_GC_BLACK, Dt6(->metatable), Dt6(->nomm), 1<marked), Dt6(->gclist)); - break; - - case BC_TSETM: - dasm_put(Dst, 6766, 32-3, Dt6(->asize), 31-3, Dt6(->marked), Dt6(->array), LJ_GC_BLACK, Dt1(->base), DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->marked), Dt6(->gclist)); - dasm_put(Dst, 6835); - break; - - /* -- Calls and vararg handling ----------------------------------------- */ - - case BC_CALLM: - dasm_put(Dst, 6838); - break; - case BC_CALL: - dasm_put(Dst, 6840, LJ_TFUNC, Dt7(->pc)); - break; - - case BC_CALLMT: - dasm_put(Dst, 6861); - break; - case BC_CALLT: - dasm_put(Dst, 6863, LJ_TFUNC, FRAME_TYPE, Dt7(->ffid), FRAME_VARG, Dt7(->pc), -4-8, Dt7(->pc), PC2PROTO(k), FRAME_TYPEP); - dasm_put(Dst, 6927, FRAME_TYPE); - break; - - case BC_ITERC: - dasm_put(Dst, 6936, LJ_TFUNC, Dt7(->pc)); - break; - - case BC_ITERN: -#if LJ_HASJIT -#endif - dasm_put(Dst, 6963, Dt6(->asize), Dt6(->array), 31-3, LJ_TNIL); - if (LJ_DUALNUM) { - dasm_put(Dst, 6985); - } else { - dasm_put(Dst, 6988); - } - dasm_put(Dst, 6992, -(BCBIAS_J*4 >> 16)); - if (!LJ_DUALNUM) { - dasm_put(Dst, 7000); - } - dasm_put(Dst, 7002, Dt6(->hmask), Dt6(->node), 31-5, 31-3, LJ_TNIL, DtB(->key), -(BCBIAS_J*4 >> 16)); - break; - - case BC_ISNEXT: - dasm_put(Dst, 7058, LJ_TTAB, LJ_TFUNC, LJ_TNIL, Dt8(->ffid), FF_next_N, 32-1, -(BCBIAS_J*4 >> 16), BC_JMP, BC_ITERC, -(BCBIAS_J*4 >> 16)); - break; - - case BC_VARG: - dasm_put(Dst, 7108, FRAME_VARG, Dt1(->maxstack), Dt1(->top), Dt1(->base), 32-3, Dt1(->base)); - dasm_put(Dst, 7188); - break; - - /* -- Returns ----------------------------------------------------------- */ - - case BC_RETM: - dasm_put(Dst, 7194); - break; - - case BC_RET: - dasm_put(Dst, 7196, FRAME_TYPE, FRAME_VARG, Dt7(->pc), PC2PROTO(k), FRAME_TYPEP); - break; - - case BC_RET0: case BC_RET1: - dasm_put(Dst, 7266, FRAME_TYPE, FRAME_VARG); - if (op == BC_RET1) { - dasm_put(Dst, 7279); - } - dasm_put(Dst, 7282, Dt7(->pc), PC2PROTO(k)); - break; - - /* -- Loops and branches ------------------------------------------------ */ - - case BC_FORL: -#if LJ_HASJIT - dasm_put(Dst, 7310, GG_DISP2HOT, -HOTCOUNT_LOOP); -#endif - break; - - case BC_JFORI: - case BC_JFORL: -#if !LJ_HASJIT - break; -#endif - case BC_FORI: - case BC_IFORL: - vk = (op == BC_IFORL || op == BC_JFORL); - if (LJ_DUALNUM) { - dasm_put(Dst, 7320, FORL_IDX*8+4); - if (vk) { - dasm_put(Dst, 7325, FORL_STEP*8+4, FORL_STOP*8+4, FORL_IDX*8+4); - } else { - dasm_put(Dst, 7339, FORL_STEP*8, FORL_STEP*8+4, FORL_STOP*8, FORL_STOP*8+4); - } - dasm_put(Dst, 7355, FORL_EXT*8); - if (op != BC_JFORL) { - dasm_put(Dst, 7362, 32-1); - } - dasm_put(Dst, 7365, FORL_EXT*8+4); - if (op != BC_JFORL) { - dasm_put(Dst, 7368); - } - if (op == BC_FORI) { - dasm_put(Dst, 7370); - } else if (op == BC_JFORI) { - dasm_put(Dst, 7373, -(BCBIAS_J*4 >> 16)); - } else if (op == BC_IFORL) { - dasm_put(Dst, 7378, -(BCBIAS_J*4 >> 16)); - } else { - dasm_put(Dst, 7383, BC_JLOOP); - } - dasm_put(Dst, 7386); - if (vk) { - dasm_put(Dst, 7402); - } - } - if (vk) { - if (LJ_DUALNUM) { - dasm_put(Dst, 7409, FORL_IDX*8); - } else { - dasm_put(Dst, 7413); - } - dasm_put(Dst, 7415, FORL_STEP*8, FORL_STOP*8, FORL_STEP*8, FORL_IDX*8); - } else { - if (LJ_DUALNUM) { - dasm_put(Dst, 7425); - } else { - dasm_put(Dst, 7427, FORL_STEP*8, FORL_STOP*8); - } - dasm_put(Dst, 7436, FORL_IDX*8, FORL_STEP*8, FORL_STOP*8); - } - dasm_put(Dst, 7447); - if (op != BC_JFORL) { - dasm_put(Dst, 7449, 32-1); - } - dasm_put(Dst, 7452, FORL_EXT*8); - if (op != BC_JFORL) { - dasm_put(Dst, 7455); - } - dasm_put(Dst, 7457); - if (op == BC_JFORI) { - dasm_put(Dst, 7459, -(BCBIAS_J*4 >> 16)); - } - dasm_put(Dst, 7462); - if (op == BC_FORI) { - dasm_put(Dst, 7465); - } else if (op == BC_IFORL) { - if (LJ_DUALNUM) { - dasm_put(Dst, 7468); - } else { - dasm_put(Dst, 7471); - } - dasm_put(Dst, 7474, -(BCBIAS_J*4 >> 16)); - } else if (op == BC_JFORI) { - dasm_put(Dst, 7478); - } else { - dasm_put(Dst, 7481, BC_JLOOP); - } - if (LJ_DUALNUM) { - dasm_put(Dst, 7484); - } else { - dasm_put(Dst, 7487); - } - dasm_put(Dst, 7499); - if (op == BC_FORI) { - dasm_put(Dst, 7501, -(BCBIAS_J*4 >> 16)); - } else if (op == BC_IFORL) { - dasm_put(Dst, 7507); - } else if (op == BC_JFORI) { - dasm_put(Dst, 7510); - } else { - dasm_put(Dst, 7513, BC_JLOOP); - } - dasm_put(Dst, 7516); - if (op == BC_JFORI) { - dasm_put(Dst, 7519, BC_JLOOP); - } - break; - - case BC_ITERL: -#if LJ_HASJIT - dasm_put(Dst, 7525, GG_DISP2HOT, -HOTCOUNT_LOOP); -#endif - break; - - case BC_JITERL: -#if !LJ_HASJIT - break; -#endif - case BC_IITERL: - dasm_put(Dst, 7535, LJ_TNIL); - if (op == BC_JITERL) { - dasm_put(Dst, 7542, BC_JLOOP); - } else { - dasm_put(Dst, 7547, 32-1, -(BCBIAS_J*4 >> 16)); - } - dasm_put(Dst, 7555); - break; - - case BC_LOOP: -#if LJ_HASJIT - dasm_put(Dst, 7567, GG_DISP2HOT, -HOTCOUNT_LOOP); -#endif - break; - - case BC_ILOOP: - dasm_put(Dst, 7577); - break; - - case BC_JLOOP: -#if LJ_HASJIT - dasm_put(Dst, 7588, DISPATCH_J(trace), 32-1, DISPATCH_GL(vmstate), DtD(->mcode), DISPATCH_GL(jit_base), DISPATCH_GL(jit_L), GG_DISP2G+32768); -#endif - break; - - case BC_JMP: - dasm_put(Dst, 7607, 32-1, -(BCBIAS_J*4 >> 16)); - break; - - /* -- Function headers -------------------------------------------------- */ - - case BC_FUNCF: -#if LJ_HASJIT - dasm_put(Dst, 7623, GG_DISP2HOT, -HOTCOUNT_CALL); -#endif - case BC_FUNCV: /* NYI: compiled vararg functions. */ - break; - - case BC_JFUNCF: -#if !LJ_HASJIT - break; -#endif - case BC_IFUNCF: - dasm_put(Dst, 7633, Dt1(->maxstack), -4+PC2PROTO(numparams), -4+PC2PROTO(k), 31-3); - if (op != BC_JFUNCF) { - dasm_put(Dst, 7645); - } - dasm_put(Dst, 7648); - if (op == BC_JFUNCF) { - dasm_put(Dst, 7653, BC_JLOOP); - } else { - dasm_put(Dst, 7657); - } - dasm_put(Dst, 7666); - break; - - case BC_JFUNCV: -#if !LJ_HASJIT - break; -#endif - dasm_put(Dst, 7672); - break; /* NYI: compiled vararg functions. */ - - case BC_IFUNCV: - dasm_put(Dst, 7674, Dt1(->maxstack), 8+FRAME_VARG, -4+PC2PROTO(k), -4+PC2PROTO(numparams), LJ_TNIL); - break; - - case BC_FUNCC: - case BC_FUNCCW: - if (op == BC_FUNCC) { - dasm_put(Dst, 7727, Dt8(->f)); - } else { - dasm_put(Dst, 7730, DISPATCH_GL(wrapf)); - } - dasm_put(Dst, 7733, Dt1(->maxstack), Dt1(->base), Dt1(->top), ~LJ_VMST_C); - if (op == BC_FUNCCW) { - dasm_put(Dst, 7746, Dt8(->f)); - } - dasm_put(Dst, 7749, DISPATCH_GL(vmstate), Dt1(->base), 31-3, Dt1(->top), ~LJ_VMST_INTERP, DISPATCH_GL(vmstate)); - break; - - /* ---------------------------------------------------------------------- */ - - default: - fprintf(stderr, "Error: undefined opcode BC_%s\n", bc_names[op]); - exit(2); - break; - } -} - -static int build_backend(BuildCtx *ctx) -{ - int op; - - dasm_growpc(Dst, BC__MAX); - - build_subroutines(ctx); - - dasm_put(Dst, 7770); - for (op = 0; op < BC__MAX; op++) - build_ins(ctx, (BCOp)op, op); - - return BC__MAX; -} - -/* Emit pseudo frame-info for all assembler functions. */ -static void emit_asm_debug(BuildCtx *ctx) -{ - int fcofs = (int)((uint8_t *)ctx->glob[GLOB_vm_ffi_call] - ctx->code); - int i; - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, "\t.section .debug_frame,\"\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe0:\n" - "\t.long .LECIE0-.LSCIE0\n" - ".LSCIE0:\n" - "\t.long 0xffffffff\n" - "\t.byte 0x1\n" - "\t.string \"\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 65\n" - "\t.byte 0xc\n\t.uleb128 1\n\t.uleb128 0\n" - "\t.align 2\n" - ".LECIE0:\n\n"); - fprintf(ctx->fp, - ".LSFDE0:\n" - "\t.long .LEFDE0-.LASFDE0\n" - ".LASFDE0:\n" - "\t.long .Lframe0\n" - "\t.long .Lbegin\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x5\n\t.uleb128 70\n\t.uleb128 55\n", - fcofs, CFRAME_SIZE); - for (i = 14; i <= 31; i++) - fprintf(ctx->fp, - "\t.byte %d\n\t.uleb128 %d\n" - "\t.byte %d\n\t.uleb128 %d\n", - 0x80+i, 37+(31-i), 0x80+32+i, 2+2*(31-i)); - fprintf(ctx->fp, - "\t.align 2\n" - ".LEFDE0:\n\n"); -#if LJ_HASFFI - fprintf(ctx->fp, - ".LSFDE1:\n" - "\t.long .LEFDE1-.LASFDE1\n" - ".LASFDE1:\n" - "\t.long .Lframe0\n" - "\t.long lj_vm_ffi_call\n" - "\t.long %d\n" - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x8e\n\t.uleb128 2\n" - "\t.byte 0xd\n\t.uleb128 0xe\n" - "\t.align 2\n" - ".LEFDE1:\n\n", (int)ctx->codesz - fcofs); -#endif - fprintf(ctx->fp, "\t.section .eh_frame,\"a\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe1:\n" - "\t.long .LECIE1-.LSCIE1\n" - ".LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zPR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 65\n" - "\t.uleb128 6\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.long lj_err_unwind_dwarf-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 1\n\t.uleb128 0\n" - "\t.align 2\n" - ".LECIE1:\n\n"); - fprintf(ctx->fp, - ".LSFDE2:\n" - "\t.long .LEFDE2-.LASFDE2\n" - ".LASFDE2:\n" - "\t.long .LASFDE2-.Lframe1\n" - "\t.long .Lbegin-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x5\n\t.uleb128 70\n\t.uleb128 55\n", - fcofs, CFRAME_SIZE); - for (i = 14; i <= 31; i++) - fprintf(ctx->fp, - "\t.byte %d\n\t.uleb128 %d\n" - "\t.byte %d\n\t.uleb128 %d\n", - 0x80+i, 37+(31-i), 0x80+32+i, 2+2*(31-i)); - fprintf(ctx->fp, - "\t.align 2\n" - ".LEFDE2:\n\n"); -#if LJ_HASFFI - fprintf(ctx->fp, - ".Lframe2:\n" - "\t.long .LECIE2-.LSCIE2\n" - ".LSCIE2:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 65\n" - "\t.uleb128 1\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 1\n\t.uleb128 0\n" - "\t.align 2\n" - ".LECIE2:\n\n"); - fprintf(ctx->fp, - ".LSFDE3:\n" - "\t.long .LEFDE3-.LASFDE3\n" - ".LASFDE3:\n" - "\t.long .LASFDE3-.Lframe2\n" - "\t.long lj_vm_ffi_call-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x8e\n\t.uleb128 2\n" - "\t.byte 0xd\n\t.uleb128 0xe\n" - "\t.align 2\n" - ".LEFDE3:\n\n", (int)ctx->codesz - fcofs); -#endif - break; - default: - break; - } -} - diff --git a/libraries/luajit-2.0/src/buildvm_ppcspe.dasc b/libraries/luajit-2.0/src/buildvm_ppcspe.dasc deleted file mode 100644 index 3ec36f7..0000000 --- a/libraries/luajit-2.0/src/buildvm_ppcspe.dasc +++ /dev/null @@ -1,3704 +0,0 @@ -|// Low-level VM code for PowerPC/e500 CPUs. -|// Bytecode interpreter, fast functions and helper functions. -|// Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -| -|.arch ppc -|.section code_op, code_sub -| -|.actionlist build_actionlist -|.globals GLOB_ -|.globalnames globnames -|.externnames extnames -| -|// Note: The ragged indentation of the instructions is intentional. -|// The starting columns indicate data dependencies. -| -|//----------------------------------------------------------------------- -| -|// Fixed register assignments for the interpreter. -|// Don't use: r1 = sp, r2 and r13 = reserved and/or small data area ptr -| -|// The following must be C callee-save (but BASE is often refetched). -|.define BASE, r14 // Base of current Lua stack frame. -|.define KBASE, r15 // Constants of current Lua function. -|.define PC, r16 // Next PC. -|.define DISPATCH, r17 // Opcode dispatch table. -|.define LREG, r18 // Register holding lua_State (also in SAVE_L). -|.define MULTRES, r19 // Size of multi-result: (nresults+1)*8. -| -|// Constants for vectorized type-comparisons (hi+low GPR). C callee-save. -|.define TISNUM, r22 -|.define TISSTR, r23 -|.define TISTAB, r24 -|.define TISFUNC, r25 -|.define TISNIL, r26 -|.define TOBIT, r27 -|.define ZERO, TOBIT // Zero in lo word. -| -|// The following temporaries are not saved across C calls, except for RA. -|.define RA, r20 // Callee-save. -|.define RB, r10 -|.define RC, r11 -|.define RD, r12 -|.define INS, r7 // Overlaps CARG5. -| -|.define TMP0, r0 -|.define TMP1, r8 -|.define TMP2, r9 -|.define TMP3, r6 // Overlaps CARG4. -| -|// Saved temporaries. -|.define SAVE0, r21 -| -|// Calling conventions. -|.define CARG1, r3 -|.define CARG2, r4 -|.define CARG3, r5 -|.define CARG4, r6 // Overlaps TMP3. -|.define CARG5, r7 // Overlaps INS. -| -|.define CRET1, r3 -|.define CRET2, r4 -| -|// Stack layout while in interpreter. Must match with lj_frame.h. -|.define SAVE_LR, 188(sp) -|.define CFRAME_SPACE, 184 // Delta for sp. -|// Back chain for sp: 184(sp) <-- sp entering interpreter -|.define SAVE_r31, 176(sp) // 64 bit register saves. -|.define SAVE_r30, 168(sp) -|.define SAVE_r29, 160(sp) -|.define SAVE_r28, 152(sp) -|.define SAVE_r27, 144(sp) -|.define SAVE_r26, 136(sp) -|.define SAVE_r25, 128(sp) -|.define SAVE_r24, 120(sp) -|.define SAVE_r23, 112(sp) -|.define SAVE_r22, 104(sp) -|.define SAVE_r21, 96(sp) -|.define SAVE_r20, 88(sp) -|.define SAVE_r19, 80(sp) -|.define SAVE_r18, 72(sp) -|.define SAVE_r17, 64(sp) -|.define SAVE_r16, 56(sp) -|.define SAVE_r15, 48(sp) -|.define SAVE_r14, 40(sp) -|.define SAVE_CR, 36(sp) -|.define UNUSED1, 32(sp) -|.define SAVE_ERRF, 28(sp) // 32 bit C frame info. -|.define SAVE_NRES, 24(sp) -|.define SAVE_CFRAME, 20(sp) -|.define SAVE_L, 16(sp) -|.define SAVE_PC, 12(sp) -|.define SAVE_MULTRES, 8(sp) -|// Next frame lr: 4(sp) -|// Back chain for sp: 0(sp) <-- sp while in interpreter -| -|.macro save_, reg; evstdd reg, SAVE_..reg; .endmacro -|.macro rest_, reg; evldd reg, SAVE_..reg; .endmacro -| -|.macro saveregs -| stwu sp, -CFRAME_SPACE(sp) -| save_ r14; save_ r15; save_ r16; save_ r17; save_ r18; save_ r19 -| mflr r0; mfcr r12 -| save_ r20; save_ r21; save_ r22; save_ r23; save_ r24; save_ r25 -| stw r0, SAVE_LR; stw r12, SAVE_CR -| save_ r26; save_ r27; save_ r28; save_ r29; save_ r30; save_ r31 -|.endmacro -| -|.macro restoreregs -| lwz r0, SAVE_LR; lwz r12, SAVE_CR -| rest_ r14; rest_ r15; rest_ r16; rest_ r17; rest_ r18; rest_ r19 -| mtlr r0; mtcrf 0x38, r12 -| rest_ r20; rest_ r21; rest_ r22; rest_ r23; rest_ r24; rest_ r25 -| rest_ r26; rest_ r27; rest_ r28; rest_ r29; rest_ r30; rest_ r31 -| addi sp, sp, CFRAME_SPACE -|.endmacro -| -|// Type definitions. Some of these are only used for documentation. -|.type L, lua_State, LREG -|.type GL, global_State -|.type TVALUE, TValue -|.type GCOBJ, GCobj -|.type STR, GCstr -|.type TAB, GCtab -|.type LFUNC, GCfuncL -|.type CFUNC, GCfuncC -|.type PROTO, GCproto -|.type UPVAL, GCupval -|.type NODE, Node -|.type NARGS8, int -|.type TRACE, GCtrace -| -|//----------------------------------------------------------------------- -| -|// These basic macros should really be part of DynASM. -|.macro srwi, rx, ry, n; rlwinm rx, ry, 32-n, n, 31; .endmacro -|.macro slwi, rx, ry, n; rlwinm rx, ry, n, 0, 31-n; .endmacro -|.macro rotlwi, rx, ry, n; rlwinm rx, ry, n, 0, 31; .endmacro -|.macro rotlw, rx, ry, rn; rlwnm rx, ry, rn, 0, 31; .endmacro -|.macro subi, rx, ry, i; addi rx, ry, -i; .endmacro -| -|// Trap for not-yet-implemented parts. -|.macro NYI; tw 4, sp, sp; .endmacro -| -|//----------------------------------------------------------------------- -| -|// Access to frame relative to BASE. -|.define FRAME_PC, -8 -|.define FRAME_FUNC, -4 -| -|// Instruction decode. -|.macro decode_OP4, dst, ins; rlwinm dst, ins, 2, 22, 29; .endmacro -|.macro decode_RA8, dst, ins; rlwinm dst, ins, 27, 21, 28; .endmacro -|.macro decode_RB8, dst, ins; rlwinm dst, ins, 11, 21, 28; .endmacro -|.macro decode_RC8, dst, ins; rlwinm dst, ins, 19, 21, 28; .endmacro -|.macro decode_RD8, dst, ins; rlwinm dst, ins, 19, 13, 28; .endmacro -| -|.macro decode_OP1, dst, ins; rlwinm dst, ins, 0, 24, 31; .endmacro -|.macro decode_RD4, dst, ins; rlwinm dst, ins, 18, 14, 29; .endmacro -| -|// Instruction fetch. -|.macro ins_NEXT1 -| lwz INS, 0(PC) -| addi PC, PC, 4 -|.endmacro -|// Instruction decode+dispatch. -|.macro ins_NEXT2 -| decode_OP4 TMP1, INS -| decode_RB8 RB, INS -| decode_RD8 RD, INS -| lwzx TMP0, DISPATCH, TMP1 -| decode_RA8 RA, INS -| decode_RC8 RC, INS -| mtctr TMP0 -| bctr -|.endmacro -|.macro ins_NEXT -| ins_NEXT1 -| ins_NEXT2 -|.endmacro -| -|// Instruction footer. -|.if 1 -| // Replicated dispatch. Less unpredictable branches, but higher I-Cache use. -| .define ins_next, ins_NEXT -| .define ins_next_, ins_NEXT -| .define ins_next1, ins_NEXT1 -| .define ins_next2, ins_NEXT2 -|.else -| // Common dispatch. Lower I-Cache use, only one (very) unpredictable branch. -| // Affects only certain kinds of benchmarks (and only with -j off). -| .macro ins_next -| b ->ins_next -| .endmacro -| .macro ins_next1 -| .endmacro -| .macro ins_next2 -| b ->ins_next -| .endmacro -| .macro ins_next_ -| ->ins_next: -| ins_NEXT -| .endmacro -|.endif -| -|// Call decode and dispatch. -|.macro ins_callt -| // BASE = new base, RB = LFUNC/CFUNC, RC = nargs*8, FRAME_PC(BASE) = PC -| lwz PC, LFUNC:RB->pc -| lwz INS, 0(PC) -| addi PC, PC, 4 -| decode_OP4 TMP1, INS -| decode_RA8 RA, INS -| lwzx TMP0, DISPATCH, TMP1 -| add RA, RA, BASE -| mtctr TMP0 -| bctr -|.endmacro -| -|.macro ins_call -| // BASE = new base, RB = LFUNC/CFUNC, RC = nargs*8, PC = caller PC -| stw PC, FRAME_PC(BASE) -| ins_callt -|.endmacro -| -|//----------------------------------------------------------------------- -| -|// Macros to test operand types. -|.macro checknum, reg; evcmpltu reg, TISNUM; .endmacro -|.macro checkstr, reg; evcmpeq reg, TISSTR; .endmacro -|.macro checktab, reg; evcmpeq reg, TISTAB; .endmacro -|.macro checkfunc, reg; evcmpeq reg, TISFUNC; .endmacro -|.macro checknil, reg; evcmpeq reg, TISNIL; .endmacro -|.macro checkok, label; blt label; .endmacro -|.macro checkfail, label; bge label; .endmacro -|.macro checkanyfail, label; bns label; .endmacro -|.macro checkallok, label; bso label; .endmacro -| -|.macro branch_RD -| srwi TMP0, RD, 1 -| add PC, PC, TMP0 -| addis PC, PC, -(BCBIAS_J*4 >> 16) -|.endmacro -| -|// Assumes DISPATCH is relative to GL. -#define DISPATCH_GL(field) (GG_DISP2G + (int)offsetof(global_State, field)) -#define DISPATCH_J(field) (GG_DISP2J + (int)offsetof(jit_State, field)) -| -#define PC2PROTO(field) ((int)offsetof(GCproto, field)-(int)sizeof(GCproto)) -| -|.macro hotloop -| NYI -|.endmacro -| -|.macro hotcall -| NYI -|.endmacro -| -|// Set current VM state. Uses TMP0. -|.macro li_vmstate, st; li TMP0, ~LJ_VMST_..st; .endmacro -|.macro st_vmstate; stw TMP0, DISPATCH_GL(vmstate)(DISPATCH); .endmacro -| -|// Move table write barrier back. Overwrites mark and tmp. -|.macro barrierback, tab, mark, tmp -| lwz tmp, DISPATCH_GL(gc.grayagain)(DISPATCH) -| // Assumes LJ_GC_BLACK is 0x04. -| rlwinm mark, mark, 0, 30, 28 // black2gray(tab) -| stw tab, DISPATCH_GL(gc.grayagain)(DISPATCH) -| stb mark, tab->marked -| stw tmp, tab->gclist -|.endmacro -| -|//----------------------------------------------------------------------- - -/* Generate subroutines used by opcodes and other parts of the VM. */ -/* The .code_sub section should be last to help static branch prediction. */ -static void build_subroutines(BuildCtx *ctx) -{ - |.code_sub - | - |//----------------------------------------------------------------------- - |//-- Return handling ---------------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_returnp: - | // See vm_return. Also: TMP2 = previous base. - | andi. TMP0, PC, FRAME_P - | evsplati TMP1, LJ_TTRUE - | beq ->cont_dispatch - | - | // Return from pcall or xpcall fast func. - | lwz PC, FRAME_PC(TMP2) // Fetch PC of previous frame. - | mr BASE, TMP2 // Restore caller base. - | // Prepending may overwrite the pcall frame, so do it at the end. - | stwu TMP1, FRAME_PC(RA) // Prepend true to results. - | - |->vm_returnc: - | andi. TMP0, PC, FRAME_TYPE - | addi RD, RD, 8 // RD = (nresults+1)*8. - | mr MULTRES, RD - | beq ->BC_RET_Z // Handle regular return to Lua. - | - |->vm_return: - | // BASE = base, RA = resultptr, RD/MULTRES = (nresults+1)*8, PC = return - | // TMP0 = PC & FRAME_TYPE - | cmpwi TMP0, FRAME_C - | rlwinm TMP2, PC, 0, 0, 28 - | li_vmstate C - | sub TMP2, BASE, TMP2 // TMP2 = previous base. - | bne ->vm_returnp - | - | addic. TMP1, RD, -8 - | stw TMP2, L->base - | lwz TMP2, SAVE_NRES - | subi BASE, BASE, 8 - | st_vmstate - | slwi TMP2, TMP2, 3 - | beq >2 - |1: - | addic. TMP1, TMP1, -8 - | evldd TMP0, 0(RA) - | addi RA, RA, 8 - | evstdd TMP0, 0(BASE) - | addi BASE, BASE, 8 - | bne <1 - | - |2: - | cmpw TMP2, RD // More/less results wanted? - | bne >6 - |3: - | stw BASE, L->top // Store new top. - | - |->vm_leave_cp: - | lwz TMP0, SAVE_CFRAME // Restore previous C frame. - | li CRET1, 0 // Ok return status for vm_pcall. - | stw TMP0, L->cframe - | - |->vm_leave_unw: - | restoreregs - | blr - | - |6: - | ble >7 // Less results wanted? - | // More results wanted. Check stack size and fill up results with nil. - | lwz TMP1, L->maxstack - | cmplw BASE, TMP1 - | bge >8 - | evstdd TISNIL, 0(BASE) - | addi RD, RD, 8 - | addi BASE, BASE, 8 - | b <2 - | - |7: // Less results wanted. - | sub TMP0, RD, TMP2 - | cmpwi TMP2, 0 // LUA_MULTRET+1 case? - | sub TMP0, BASE, TMP0 // Subtract the difference. - | iseleq BASE, BASE, TMP0 // Either keep top or shrink it. - | b <3 - | - |8: // Corner case: need to grow stack for filling up results. - | // This can happen if: - | // - A C function grows the stack (a lot). - | // - The GC shrinks the stack in between. - | // - A return back from a lua_call() with (high) nresults adjustment. - | stw BASE, L->top // Save current top held in BASE (yes). - | mr SAVE0, RD - | mr CARG2, TMP2 - | mr CARG1, L - | bl extern lj_state_growstack // (lua_State *L, int n) - | lwz TMP2, SAVE_NRES - | mr RD, SAVE0 - | slwi TMP2, TMP2, 3 - | lwz BASE, L->top // Need the (realloced) L->top in BASE. - | b <2 - | - |->vm_unwind_c: // Unwind C stack, return from vm_pcall. - | // (void *cframe, int errcode) - | mr sp, CARG1 - | mr CRET1, CARG2 - |->vm_unwind_c_eh: // Landing pad for external unwinder. - | lwz L, SAVE_L - | li TMP0, ~LJ_VMST_C - | lwz GL:TMP1, L->glref - | stw TMP0, GL:TMP1->vmstate - | b ->vm_leave_unw - | - |->vm_unwind_ff: // Unwind C stack, return from ff pcall. - | // (void *cframe) - | rlwinm sp, CARG1, 0, 0, 29 - |->vm_unwind_ff_eh: // Landing pad for external unwinder. - | lwz L, SAVE_L - | evsplati TISNUM, LJ_TISNUM+1 // Setup type comparison constants. - | evsplati TISFUNC, LJ_TFUNC - | lus TOBIT, 0x4338 - | evsplati TISTAB, LJ_TTAB - | li TMP0, 0 - | lwz BASE, L->base - | evmergelo TOBIT, TOBIT, TMP0 - | lwz DISPATCH, L->glref // Setup pointer to dispatch table. - | evsplati TISSTR, LJ_TSTR - | li TMP1, LJ_TFALSE - | evsplati TISNIL, LJ_TNIL - | li_vmstate INTERP - | lwz PC, FRAME_PC(BASE) // Fetch PC of previous frame. - | la RA, -8(BASE) // Results start at BASE-8. - | addi DISPATCH, DISPATCH, GG_G2DISP - | stw TMP1, 0(RA) // Prepend false to error message. - | li RD, 16 // 2 results: false + error message. - | st_vmstate - | b ->vm_returnc - | - |//----------------------------------------------------------------------- - |//-- Grow stack for calls ----------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_growstack_c: // Grow stack for C function. - | li CARG2, LUA_MINSTACK - | b >2 - | - |->vm_growstack_l: // Grow stack for Lua function. - | // BASE = new base, RA = BASE+framesize*8, RC = nargs*8, PC = first PC - | add RC, BASE, RC - | sub RA, RA, BASE - | stw BASE, L->base - | addi PC, PC, 4 // Must point after first instruction. - | stw RC, L->top - | srwi CARG2, RA, 3 - |2: - | // L->base = new base, L->top = top - | stw PC, SAVE_PC - | mr CARG1, L - | bl extern lj_state_growstack // (lua_State *L, int n) - | lwz BASE, L->base - | lwz RC, L->top - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | sub RC, RC, BASE - | // BASE = new base, RB = LFUNC/CFUNC, RC = nargs*8, FRAME_PC(BASE) = PC - | ins_callt // Just retry the call. - | - |//----------------------------------------------------------------------- - |//-- Entry points into the assembler VM --------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_resume: // Setup C frame and resume thread. - | // (lua_State *L, TValue *base, int nres1 = 0, ptrdiff_t ef = 0) - | saveregs - | mr L, CARG1 - | lwz DISPATCH, L->glref // Setup pointer to dispatch table. - | mr BASE, CARG2 - | lbz TMP1, L->status - | stw L, SAVE_L - | li PC, FRAME_CP - | addi TMP0, sp, CFRAME_RESUME - | addi DISPATCH, DISPATCH, GG_G2DISP - | stw CARG3, SAVE_NRES - | cmplwi TMP1, 0 - | stw CARG3, SAVE_ERRF - | stw TMP0, L->cframe - | stw CARG3, SAVE_CFRAME - | stw CARG1, SAVE_PC // Any value outside of bytecode is ok. - | beq >3 - | - | // Resume after yield (like a return). - | mr RA, BASE - | lwz BASE, L->base - | evsplati TISNUM, LJ_TISNUM+1 // Setup type comparison constants. - | lwz TMP1, L->top - | evsplati TISFUNC, LJ_TFUNC - | lus TOBIT, 0x4338 - | evsplati TISTAB, LJ_TTAB - | lwz PC, FRAME_PC(BASE) - | li TMP2, 0 - | evsplati TISSTR, LJ_TSTR - | sub RD, TMP1, BASE - | evmergelo TOBIT, TOBIT, TMP2 - | stb CARG3, L->status - | andi. TMP0, PC, FRAME_TYPE - | li_vmstate INTERP - | addi RD, RD, 8 - | evsplati TISNIL, LJ_TNIL - | mr MULTRES, RD - | st_vmstate - | beq ->BC_RET_Z - | b ->vm_return - | - |->vm_pcall: // Setup protected C frame and enter VM. - | // (lua_State *L, TValue *base, int nres1, ptrdiff_t ef) - | saveregs - | li PC, FRAME_CP - | stw CARG4, SAVE_ERRF - | b >1 - | - |->vm_call: // Setup C frame and enter VM. - | // (lua_State *L, TValue *base, int nres1) - | saveregs - | li PC, FRAME_C - | - |1: // Entry point for vm_pcall above (PC = ftype). - | lwz TMP1, L:CARG1->cframe - | stw CARG3, SAVE_NRES - | mr L, CARG1 - | stw CARG1, SAVE_L - | mr BASE, CARG2 - | stw sp, L->cframe // Add our C frame to cframe chain. - | lwz DISPATCH, L->glref // Setup pointer to dispatch table. - | stw CARG1, SAVE_PC // Any value outside of bytecode is ok. - | stw TMP1, SAVE_CFRAME - | addi DISPATCH, DISPATCH, GG_G2DISP - | - |3: // Entry point for vm_cpcall/vm_resume (BASE = base, PC = ftype). - | lwz TMP2, L->base // TMP2 = old base (used in vmeta_call). - | evsplati TISNUM, LJ_TISNUM+1 // Setup type comparison constants. - | lwz TMP1, L->top - | evsplati TISFUNC, LJ_TFUNC - | add PC, PC, BASE - | evsplati TISTAB, LJ_TTAB - | lus TOBIT, 0x4338 - | li TMP0, 0 - | sub PC, PC, TMP2 // PC = frame delta + frame type - | evsplati TISSTR, LJ_TSTR - | sub NARGS8:RC, TMP1, BASE - | evmergelo TOBIT, TOBIT, TMP0 - | li_vmstate INTERP - | evsplati TISNIL, LJ_TNIL - | st_vmstate - | - |->vm_call_dispatch: - | // TMP2 = old base, BASE = new base, RC = nargs*8, PC = caller PC - | li TMP0, -8 - | evlddx LFUNC:RB, BASE, TMP0 - | checkfunc LFUNC:RB - | checkfail ->vmeta_call - | - |->vm_call_dispatch_f: - | ins_call - | // BASE = new base, RB = func, RC = nargs*8, PC = caller PC - | - |->vm_cpcall: // Setup protected C frame, call C. - | // (lua_State *L, lua_CFunction func, void *ud, lua_CPFunction cp) - | saveregs - | mr L, CARG1 - | lwz TMP0, L:CARG1->stack - | stw CARG1, SAVE_L - | lwz TMP1, L->top - | stw CARG1, SAVE_PC // Any value outside of bytecode is ok. - | sub TMP0, TMP0, TMP1 // Compute -savestack(L, L->top). - | lwz TMP1, L->cframe - | stw sp, L->cframe // Add our C frame to cframe chain. - | li TMP2, 0 - | stw TMP0, SAVE_NRES // Neg. delta means cframe w/o frame. - | stw TMP2, SAVE_ERRF // No error function. - | stw TMP1, SAVE_CFRAME - | mtctr CARG4 - | bctrl // (lua_State *L, lua_CFunction func, void *ud) - | mr. BASE, CRET1 - | lwz DISPATCH, L->glref // Setup pointer to dispatch table. - | li PC, FRAME_CP - | addi DISPATCH, DISPATCH, GG_G2DISP - | bne <3 // Else continue with the call. - | b ->vm_leave_cp // No base? Just remove C frame. - | - |//----------------------------------------------------------------------- - |//-- Metamethod handling ------------------------------------------------ - |//----------------------------------------------------------------------- - | - |// The lj_meta_* functions (except for lj_meta_cat) don't reallocate the - |// stack, so BASE doesn't need to be reloaded across these calls. - | - |//-- Continuation dispatch ---------------------------------------------- - | - |->cont_dispatch: - | // BASE = meta base, RA = resultptr, RD = (nresults+1)*8 - | lwz TMP0, -12(BASE) // Continuation. - | mr RB, BASE - | mr BASE, TMP2 // Restore caller BASE. - | lwz LFUNC:TMP1, FRAME_FUNC(TMP2) - | cmplwi TMP0, 0 - | lwz PC, -16(RB) // Restore PC from [cont|PC]. - | beq >1 - | subi TMP2, RD, 8 - | lwz TMP1, LFUNC:TMP1->pc - | evstddx TISNIL, RA, TMP2 // Ensure one valid arg. - | lwz KBASE, PC2PROTO(k)(TMP1) - | // BASE = base, RA = resultptr, RB = meta base - | mtctr TMP0 - | bctr // Jump to continuation. - | - |1: // Tail call from C function. - | subi TMP1, RB, 16 - | sub RC, TMP1, BASE - | b ->vm_call_tail - | - |->cont_cat: // RA = resultptr, RB = meta base - | lwz INS, -4(PC) - | subi CARG2, RB, 16 - | decode_RB8 SAVE0, INS - | evldd TMP0, 0(RA) - | add TMP1, BASE, SAVE0 - | stw BASE, L->base - | cmplw TMP1, CARG2 - | sub CARG3, CARG2, TMP1 - | decode_RA8 RA, INS - | evstdd TMP0, 0(CARG2) - | bne ->BC_CAT_Z - | evstddx TMP0, BASE, RA - | b ->cont_nop - | - |//-- Table indexing metamethods ----------------------------------------- - | - |->vmeta_tgets1: - | evmergelo STR:RC, TISSTR, STR:RC - | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) - | decode_RB8 RB, INS - | evstdd STR:RC, 0(CARG3) - | add CARG2, BASE, RB - | b >1 - | - |->vmeta_tgets: - | evmergelo TAB:RB, TISTAB, TAB:RB - | la CARG2, DISPATCH_GL(tmptv)(DISPATCH) - | evmergelo STR:RC, TISSTR, STR:RC - | evstdd TAB:RB, 0(CARG2) - | la CARG3, DISPATCH_GL(tmptv2)(DISPATCH) - | evstdd STR:RC, 0(CARG3) - | b >1 - | - |->vmeta_tgetb: // TMP0 = index - | efdcfsi TMP0, TMP0 - | decode_RB8 RB, INS - | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) - | add CARG2, BASE, RB - | evstdd TMP0, 0(CARG3) - | b >1 - | - |->vmeta_tgetv: - | decode_RB8 RB, INS - | decode_RC8 RC, INS - | add CARG2, BASE, RB - | add CARG3, BASE, RC - |1: - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | bl extern lj_meta_tget // (lua_State *L, TValue *o, TValue *k) - | // Returns TValue * (finished) or NULL (metamethod). - | cmplwi CRET1, 0 - | beq >3 - | evldd TMP0, 0(CRET1) - | evstddx TMP0, BASE, RA - | ins_next - | - |3: // Call __index metamethod. - | // BASE = base, L->top = new base, stack = cont/func/t/k - | subfic TMP1, BASE, FRAME_CONT - | lwz BASE, L->top - | stw PC, -16(BASE) // [cont|PC] - | add PC, TMP1, BASE - | lwz LFUNC:RB, FRAME_FUNC(BASE) // Guaranteed to be a function here. - | li NARGS8:RC, 16 // 2 args for func(t, k). - | b ->vm_call_dispatch_f - | - |//----------------------------------------------------------------------- - | - |->vmeta_tsets1: - | evmergelo STR:RC, TISSTR, STR:RC - | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) - | decode_RB8 RB, INS - | evstdd STR:RC, 0(CARG3) - | add CARG2, BASE, RB - | b >1 - | - |->vmeta_tsets: - | evmergelo TAB:RB, TISTAB, TAB:RB - | la CARG2, DISPATCH_GL(tmptv)(DISPATCH) - | evmergelo STR:RC, TISSTR, STR:RC - | evstdd TAB:RB, 0(CARG2) - | la CARG3, DISPATCH_GL(tmptv2)(DISPATCH) - | evstdd STR:RC, 0(CARG3) - | b >1 - | - |->vmeta_tsetb: // TMP0 = index - | efdcfsi TMP0, TMP0 - | decode_RB8 RB, INS - | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) - | add CARG2, BASE, RB - | evstdd TMP0, 0(CARG3) - | b >1 - | - |->vmeta_tsetv: - | decode_RB8 RB, INS - | decode_RC8 RC, INS - | add CARG2, BASE, RB - | add CARG3, BASE, RC - |1: - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | bl extern lj_meta_tset // (lua_State *L, TValue *o, TValue *k) - | // Returns TValue * (finished) or NULL (metamethod). - | cmplwi CRET1, 0 - | evlddx TMP0, BASE, RA - | beq >3 - | // NOBARRIER: lj_meta_tset ensures the table is not black. - | evstdd TMP0, 0(CRET1) - | ins_next - | - |3: // Call __newindex metamethod. - | // BASE = base, L->top = new base, stack = cont/func/t/k/(v) - | subfic TMP1, BASE, FRAME_CONT - | lwz BASE, L->top - | stw PC, -16(BASE) // [cont|PC] - | add PC, TMP1, BASE - | lwz LFUNC:RB, FRAME_FUNC(BASE) // Guaranteed to be a function here. - | li NARGS8:RC, 24 // 3 args for func(t, k, v) - | evstdd TMP0, 16(BASE) // Copy value to third argument. - | b ->vm_call_dispatch_f - | - |//-- Comparison metamethods --------------------------------------------- - | - |->vmeta_comp: - | mr CARG1, L - | subi PC, PC, 4 - | add CARG2, BASE, RA - | stw PC, SAVE_PC - | add CARG3, BASE, RD - | stw BASE, L->base - | decode_OP1 CARG4, INS - | bl extern lj_meta_comp // (lua_State *L, TValue *o1, *o2, int op) - | // Returns 0/1 or TValue * (metamethod). - |3: - | cmplwi CRET1, 1 - | bgt ->vmeta_binop - |4: - | lwz INS, 0(PC) - | addi PC, PC, 4 - | decode_RD4 TMP2, INS - | addis TMP3, PC, -(BCBIAS_J*4 >> 16) - | add TMP2, TMP2, TMP3 - | isellt PC, PC, TMP2 - |->cont_nop: - | ins_next - | - |->cont_ra: // RA = resultptr - | lwz INS, -4(PC) - | evldd TMP0, 0(RA) - | decode_RA8 TMP1, INS - | evstddx TMP0, BASE, TMP1 - | b ->cont_nop - | - |->cont_condt: // RA = resultptr - | lwz TMP0, 0(RA) - | li TMP1, LJ_TTRUE - | cmplw TMP1, TMP0 // Branch if result is true. - | b <4 - | - |->cont_condf: // RA = resultptr - | lwz TMP0, 0(RA) - | li TMP1, LJ_TFALSE - | cmplw TMP0, TMP1 // Branch if result is false. - | b <4 - | - |->vmeta_equal: - | // CARG2, CARG3, CARG4 are already set by BC_ISEQV/BC_ISNEV. - | subi PC, PC, 4 - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | bl extern lj_meta_equal // (lua_State *L, GCobj *o1, *o2, int ne) - | // Returns 0/1 or TValue * (metamethod). - | b <3 - | - |//-- Arithmetic metamethods --------------------------------------------- - | - |->vmeta_arith_vn: - | add CARG3, BASE, RB - | add CARG4, KBASE, RC - | b >1 - | - |->vmeta_arith_nv: - | add CARG3, KBASE, RC - | add CARG4, BASE, RB - | b >1 - | - |->vmeta_unm: - | add CARG3, BASE, RD - | mr CARG4, CARG3 - | b >1 - | - |->vmeta_arith_vv: - | add CARG3, BASE, RB - | add CARG4, BASE, RC - |1: - | add CARG2, BASE, RA - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | decode_OP1 CARG5, INS // Caveat: CARG5 overlaps INS. - | bl extern lj_meta_arith // (lua_State *L, TValue *ra,*rb,*rc, BCReg op) - | // Returns NULL (finished) or TValue * (metamethod). - | cmplwi CRET1, 0 - | beq ->cont_nop - | - | // Call metamethod for binary op. - |->vmeta_binop: - | // BASE = old base, CRET1 = new base, stack = cont/func/o1/o2 - | sub TMP1, CRET1, BASE - | stw PC, -16(CRET1) // [cont|PC] - | mr TMP2, BASE - | addi PC, TMP1, FRAME_CONT - | mr BASE, CRET1 - | li NARGS8:RC, 16 // 2 args for func(o1, o2). - | b ->vm_call_dispatch - | - |->vmeta_len: -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | mr SAVE0, CARG1 -#endif - | add CARG2, BASE, RD - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | bl extern lj_meta_len // (lua_State *L, TValue *o) - | // Returns NULL (retry) or TValue * (metamethod base). -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | cmplwi CRET1, 0 - | bne ->vmeta_binop // Binop call for compatibility. - | mr CARG1, SAVE0 - | b ->BC_LEN_Z -#else - | b ->vmeta_binop // Binop call for compatibility. -#endif - | - |//-- Call metamethod ---------------------------------------------------- - | - |->vmeta_call: // Resolve and call __call metamethod. - | // TMP2 = old base, BASE = new base, RC = nargs*8 - | mr CARG1, L - | stw TMP2, L->base // This is the callers base! - | subi CARG2, BASE, 8 - | stw PC, SAVE_PC - | add CARG3, BASE, RC - | mr SAVE0, NARGS8:RC - | bl extern lj_meta_call // (lua_State *L, TValue *func, TValue *top) - | lwz LFUNC:RB, FRAME_FUNC(BASE) // Guaranteed to be a function here. - | addi NARGS8:RC, SAVE0, 8 // Got one more argument now. - | ins_call - | - |->vmeta_callt: // Resolve __call for BC_CALLT. - | // BASE = old base, RA = new base, RC = nargs*8 - | mr CARG1, L - | stw BASE, L->base - | subi CARG2, RA, 8 - | stw PC, SAVE_PC - | add CARG3, RA, RC - | mr SAVE0, NARGS8:RC - | bl extern lj_meta_call // (lua_State *L, TValue *func, TValue *top) - | lwz TMP1, FRAME_PC(BASE) - | addi NARGS8:RC, SAVE0, 8 // Got one more argument now. - | lwz LFUNC:RB, FRAME_FUNC(RA) // Guaranteed to be a function here. - | b ->BC_CALLT_Z - | - |//-- Argument coercion for 'for' statement ------------------------------ - | - |->vmeta_for: - | mr CARG1, L - | stw BASE, L->base - | mr CARG2, RA - | stw PC, SAVE_PC - | mr SAVE0, INS - | bl extern lj_meta_for // (lua_State *L, TValue *base) -#if LJ_HASJIT - | decode_OP1 TMP0, SAVE0 -#endif - | decode_RA8 RA, SAVE0 -#if LJ_HASJIT - | cmpwi TMP0, BC_JFORI -#endif - | decode_RD8 RD, SAVE0 -#if LJ_HASJIT - | beq =>BC_JFORI -#endif - | b =>BC_FORI - | - |//----------------------------------------------------------------------- - |//-- Fast functions ----------------------------------------------------- - |//----------------------------------------------------------------------- - | - |.macro .ffunc, name - |->ff_ .. name: - |.endmacro - | - |.macro .ffunc_1, name - |->ff_ .. name: - | cmplwi NARGS8:RC, 8 - | evldd CARG1, 0(BASE) - | blt ->fff_fallback - |.endmacro - | - |.macro .ffunc_2, name - |->ff_ .. name: - | cmplwi NARGS8:RC, 16 - | evldd CARG1, 0(BASE) - | evldd CARG2, 8(BASE) - | blt ->fff_fallback - |.endmacro - | - |.macro .ffunc_n, name - | .ffunc_1 name - | checknum CARG1 - | checkfail ->fff_fallback - |.endmacro - | - |.macro .ffunc_nn, name - | .ffunc_2 name - | evmergehi TMP0, CARG1, CARG2 - | checknum TMP0 - | checkanyfail ->fff_fallback - |.endmacro - | - |// Inlined GC threshold check. Caveat: uses TMP0 and TMP1. - |.macro ffgccheck - | lwz TMP0, DISPATCH_GL(gc.total)(DISPATCH) - | lwz TMP1, DISPATCH_GL(gc.threshold)(DISPATCH) - | cmplw TMP0, TMP1 - | bgel ->fff_gcstep - |.endmacro - | - |//-- Base library: checks ----------------------------------------------- - | - |.ffunc assert - | cmplwi NARGS8:RC, 8 - | evldd TMP0, 0(BASE) - | blt ->fff_fallback - | evaddw TMP1, TISNIL, TISNIL // Synthesize LJ_TFALSE. - | la RA, -8(BASE) - | evcmpltu cr1, TMP0, TMP1 - | lwz PC, FRAME_PC(BASE) - | bge cr1, ->fff_fallback - | evstdd TMP0, 0(RA) - | addi RD, NARGS8:RC, 8 // Compute (nresults+1)*8. - | beq ->fff_res // Done if exactly 1 argument. - | li TMP1, 8 - | subi RC, RC, 8 - |1: - | cmplw TMP1, RC - | evlddx TMP0, BASE, TMP1 - | evstddx TMP0, RA, TMP1 - | addi TMP1, TMP1, 8 - | bne <1 - | b ->fff_res - | - |.ffunc type - | cmplwi NARGS8:RC, 8 - | lwz CARG1, 0(BASE) - | blt ->fff_fallback - | li TMP2, ~LJ_TNUMX - | cmplw CARG1, TISNUM - | not TMP1, CARG1 - | isellt TMP1, TMP2, TMP1 - | slwi TMP1, TMP1, 3 - | la TMP2, CFUNC:RB->upvalue - | evlddx STR:CRET1, TMP2, TMP1 - | b ->fff_restv - | - |//-- Base library: getters and setters --------------------------------- - | - |.ffunc_1 getmetatable - | checktab CARG1 - | evmergehi TMP1, CARG1, CARG1 - | checkfail >6 - |1: // Field metatable must be at same offset for GCtab and GCudata! - | lwz TAB:RB, TAB:CARG1->metatable - |2: - | evmr CRET1, TISNIL - | cmplwi TAB:RB, 0 - | lwz STR:RC, DISPATCH_GL(gcroot[GCROOT_MMNAME+MM_metatable])(DISPATCH) - | beq ->fff_restv - | lwz TMP0, TAB:RB->hmask - | evmergelo CRET1, TISTAB, TAB:RB // Use metatable as default result. - | lwz TMP1, STR:RC->hash - | lwz NODE:TMP2, TAB:RB->node - | evmergelo STR:RC, TISSTR, STR:RC - | and TMP1, TMP1, TMP0 // idx = str->hash & tab->hmask - | slwi TMP0, TMP1, 5 - | slwi TMP1, TMP1, 3 - | sub TMP1, TMP0, TMP1 - | add NODE:TMP2, NODE:TMP2, TMP1 // node = tab->node + (idx*32-idx*8) - |3: // Rearranged logic, because we expect _not_ to find the key. - | evldd TMP0, NODE:TMP2->key - | evldd TMP1, NODE:TMP2->val - | evcmpeq TMP0, STR:RC - | lwz NODE:TMP2, NODE:TMP2->next - | checkallok >5 - | cmplwi NODE:TMP2, 0 - | beq ->fff_restv // Not found, keep default result. - | b <3 - |5: - | checknil TMP1 - | checkok ->fff_restv // Ditto for nil value. - | evmr CRET1, TMP1 // Return value of mt.__metatable. - | b ->fff_restv - | - |6: - | cmpwi TMP1, LJ_TUDATA - | not TMP1, TMP1 - | beq <1 - | checknum CARG1 - | slwi TMP1, TMP1, 2 - | li TMP2, 4*~LJ_TNUMX - | isellt TMP1, TMP2, TMP1 - | la TMP2, DISPATCH_GL(gcroot[GCROOT_BASEMT])(DISPATCH) - | lwzx TAB:RB, TMP2, TMP1 - | b <2 - | - |.ffunc_2 setmetatable - | // Fast path: no mt for table yet and not clearing the mt. - | evmergehi TMP0, TAB:CARG1, TAB:CARG2 - | checktab TMP0 - | checkanyfail ->fff_fallback - | lwz TAB:TMP1, TAB:CARG1->metatable - | cmplwi TAB:TMP1, 0 - | lbz TMP3, TAB:CARG1->marked - | bne ->fff_fallback - | andi. TMP0, TMP3, LJ_GC_BLACK // isblack(table) - | stw TAB:CARG2, TAB:CARG1->metatable - | beq ->fff_restv - | barrierback TAB:CARG1, TMP3, TMP0 - | b ->fff_restv - | - |.ffunc rawget - | cmplwi NARGS8:RC, 16 - | evldd CARG2, 0(BASE) - | blt ->fff_fallback - | checktab CARG2 - | la CARG3, 8(BASE) - | checkfail ->fff_fallback - | mr CARG1, L - | bl extern lj_tab_get // (lua_State *L, GCtab *t, cTValue *key) - | // Returns cTValue *. - | evldd CRET1, 0(CRET1) - | b ->fff_restv - | - |//-- Base library: conversions ------------------------------------------ - | - |.ffunc tonumber - | // Only handles the number case inline (without a base argument). - | cmplwi NARGS8:RC, 8 - | evldd CARG1, 0(BASE) - | bne ->fff_fallback // Exactly one argument. - | checknum CARG1 - | checkok ->fff_restv - | b ->fff_fallback - | - |.ffunc_1 tostring - | // Only handles the string or number case inline. - | checkstr CARG1 - | // A __tostring method in the string base metatable is ignored. - | checkok ->fff_restv // String key? - | // Handle numbers inline, unless a number base metatable is present. - | lwz TMP0, DISPATCH_GL(gcroot[GCROOT_BASEMT_NUM])(DISPATCH) - | checknum CARG1 - | cmplwi cr1, TMP0, 0 - | stw BASE, L->base // Add frame since C call can throw. - | crand 4*cr0+eq, 4*cr0+lt, 4*cr1+eq - | stw PC, SAVE_PC // Redundant (but a defined value). - | bne ->fff_fallback - | ffgccheck - | mr CARG1, L - | mr CARG2, BASE - | bl extern lj_str_fromnum // (lua_State *L, lua_Number *np) - | // Returns GCstr *. - | evmergelo STR:CRET1, TISSTR, STR:CRET1 - | b ->fff_restv - | - |//-- Base library: iterators ------------------------------------------- - | - |.ffunc next - | cmplwi NARGS8:RC, 8 - | evldd CARG2, 0(BASE) - | blt ->fff_fallback - | evstddx TISNIL, BASE, NARGS8:RC // Set missing 2nd arg to nil. - | checktab TAB:CARG2 - | lwz PC, FRAME_PC(BASE) - | checkfail ->fff_fallback - | stw BASE, L->base // Add frame since C call can throw. - | mr CARG1, L - | stw BASE, L->top // Dummy frame length is ok. - | la CARG3, 8(BASE) - | stw PC, SAVE_PC - | bl extern lj_tab_next // (lua_State *L, GCtab *t, TValue *key) - | // Returns 0 at end of traversal. - | cmplwi CRET1, 0 - | evmr CRET1, TISNIL - | beq ->fff_restv // End of traversal: return nil. - | evldd TMP0, 8(BASE) // Copy key and value to results. - | la RA, -8(BASE) - | evldd TMP1, 16(BASE) - | evstdd TMP0, 0(RA) - | li RD, (2+1)*8 - | evstdd TMP1, 8(RA) - | b ->fff_res - | - |.ffunc_1 pairs - | checktab TAB:CARG1 - | lwz PC, FRAME_PC(BASE) - | checkfail ->fff_fallback -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | lwz TAB:TMP2, TAB:CARG1->metatable - | evldd CFUNC:TMP0, CFUNC:RB->upvalue[0] - | cmplwi TAB:TMP2, 0 - | la RA, -8(BASE) - | bne ->fff_fallback -#else - | evldd CFUNC:TMP0, CFUNC:RB->upvalue[0] - | la RA, -8(BASE) -#endif - | evstdd TISNIL, 8(BASE) - | li RD, (3+1)*8 - | evstdd CFUNC:TMP0, 0(RA) - | b ->fff_res - | - |.ffunc_2 ipairs_aux - | checktab TAB:CARG1 - | lwz PC, FRAME_PC(BASE) - | checkfail ->fff_fallback - | checknum CARG2 - | lus TMP3, 0x3ff0 - | checkfail ->fff_fallback - | efdctsi TMP2, CARG2 - | lwz TMP0, TAB:CARG1->asize - | evmergelo TMP3, TMP3, ZERO - | lwz TMP1, TAB:CARG1->array - | efdadd CARG2, CARG2, TMP3 - | addi TMP2, TMP2, 1 - | la RA, -8(BASE) - | cmplw TMP0, TMP2 - | slwi TMP3, TMP2, 3 - | evstdd CARG2, 0(RA) - | ble >2 // Not in array part? - | evlddx TMP1, TMP1, TMP3 - |1: - | checknil TMP1 - | li RD, (0+1)*8 - | checkok ->fff_res // End of iteration, return 0 results. - | li RD, (2+1)*8 - | evstdd TMP1, 8(RA) - | b ->fff_res - |2: // Check for empty hash part first. Otherwise call C function. - | lwz TMP0, TAB:CARG1->hmask - | cmplwi TMP0, 0 - | li RD, (0+1)*8 - | beq ->fff_res - | mr CARG2, TMP2 - | bl extern lj_tab_getinth // (GCtab *t, int32_t key) - | // Returns cTValue * or NULL. - | cmplwi CRET1, 0 - | li RD, (0+1)*8 - | beq ->fff_res - | evldd TMP1, 0(CRET1) - | b <1 - | - |.ffunc_1 ipairs - | checktab TAB:CARG1 - | lwz PC, FRAME_PC(BASE) - | checkfail ->fff_fallback -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | lwz TAB:TMP2, TAB:CARG1->metatable - | evldd CFUNC:TMP0, CFUNC:RB->upvalue[0] - | cmplwi TAB:TMP2, 0 - | la RA, -8(BASE) - | bne ->fff_fallback -#else - | evldd CFUNC:TMP0, CFUNC:RB->upvalue[0] - | la RA, -8(BASE) -#endif - | evsplati TMP1, 0 - | li RD, (3+1)*8 - | evstdd TMP1, 8(BASE) - | evstdd CFUNC:TMP0, 0(RA) - | b ->fff_res - | - |//-- Base library: catch errors ---------------------------------------- - | - |.ffunc pcall - | cmplwi NARGS8:RC, 8 - | lbz TMP3, DISPATCH_GL(hookmask)(DISPATCH) - | blt ->fff_fallback - | mr TMP2, BASE - | la BASE, 8(BASE) - | // Remember active hook before pcall. - | rlwinm TMP3, TMP3, 32-HOOK_ACTIVE_SHIFT, 31, 31 - | subi NARGS8:RC, NARGS8:RC, 8 - | addi PC, TMP3, 8+FRAME_PCALL - | b ->vm_call_dispatch - | - |.ffunc_2 xpcall - | lbz TMP3, DISPATCH_GL(hookmask)(DISPATCH) - | mr TMP2, BASE - | checkfunc CARG2 // Traceback must be a function. - | checkfail ->fff_fallback - | la BASE, 16(BASE) - | // Remember active hook before pcall. - | rlwinm TMP3, TMP3, 32-HOOK_ACTIVE_SHIFT, 31, 31 - | evstdd CARG2, 0(TMP2) // Swap function and traceback. - | subi NARGS8:RC, NARGS8:RC, 16 - | evstdd CARG1, 8(TMP2) - | addi PC, TMP3, 16+FRAME_PCALL - | b ->vm_call_dispatch - | - |//-- Coroutine library -------------------------------------------------- - | - |.macro coroutine_resume_wrap, resume - |.if resume - |.ffunc_1 coroutine_resume - | evmergehi TMP0, L:CARG1, L:CARG1 - |.else - |.ffunc coroutine_wrap_aux - | lwz L:CARG1, CFUNC:RB->upvalue[0].gcr - |.endif - |.if resume - | cmpwi TMP0, LJ_TTHREAD - | bne ->fff_fallback - |.endif - | lbz TMP0, L:CARG1->status - | lwz TMP1, L:CARG1->cframe - | lwz CARG2, L:CARG1->top - | cmplwi cr0, TMP0, LUA_YIELD - | lwz TMP2, L:CARG1->base - | cmplwi cr1, TMP1, 0 - | lwz TMP0, L:CARG1->maxstack - | cmplw cr7, CARG2, TMP2 - | lwz PC, FRAME_PC(BASE) - | crorc 4*cr6+lt, 4*cr0+gt, 4*cr1+eq // st>LUA_YIELD || cframe!=0 - | add TMP2, CARG2, NARGS8:RC - | crandc 4*cr6+gt, 4*cr7+eq, 4*cr0+eq // base==top && st!=LUA_YIELD - | cmplw cr1, TMP2, TMP0 - | cror 4*cr6+lt, 4*cr6+lt, 4*cr6+gt - | stw PC, SAVE_PC - | cror 4*cr6+lt, 4*cr6+lt, 4*cr1+gt // cond1 || cond2 || stackov - | stw BASE, L->base - | blt cr6, ->fff_fallback - |1: - |.if resume - | addi BASE, BASE, 8 // Keep resumed thread in stack for GC. - | subi NARGS8:RC, NARGS8:RC, 8 - | subi TMP2, TMP2, 8 - |.endif - | stw TMP2, L:CARG1->top - | li TMP1, 0 - | stw BASE, L->top - |2: // Move args to coroutine. - | cmpw TMP1, NARGS8:RC - | evlddx TMP0, BASE, TMP1 - | beq >3 - | evstddx TMP0, CARG2, TMP1 - | addi TMP1, TMP1, 8 - | b <2 - |3: - | li CARG3, 0 - | mr L:SAVE0, L:CARG1 - | li CARG4, 0 - | bl ->vm_resume // (lua_State *L, TValue *base, 0, 0) - | // Returns thread status. - |4: - | lwz TMP2, L:SAVE0->base - | cmplwi CRET1, LUA_YIELD - | lwz TMP3, L:SAVE0->top - | li_vmstate INTERP - | lwz BASE, L->base - | st_vmstate - | bgt >8 - | sub RD, TMP3, TMP2 - | lwz TMP0, L->maxstack - | cmplwi RD, 0 - | add TMP1, BASE, RD - | beq >6 // No results? - | cmplw TMP1, TMP0 - | li TMP1, 0 - | bgt >9 // Need to grow stack? - | - | subi TMP3, RD, 8 - | stw TMP2, L:SAVE0->top // Clear coroutine stack. - |5: // Move results from coroutine. - | cmplw TMP1, TMP3 - | evlddx TMP0, TMP2, TMP1 - | evstddx TMP0, BASE, TMP1 - | addi TMP1, TMP1, 8 - | bne <5 - |6: - | andi. TMP0, PC, FRAME_TYPE - |.if resume - | li TMP1, LJ_TTRUE - | la RA, -8(BASE) - | stw TMP1, -8(BASE) // Prepend true to results. - | addi RD, RD, 16 - |.else - | mr RA, BASE - | addi RD, RD, 8 - |.endif - |7: - | stw PC, SAVE_PC - | mr MULTRES, RD - | beq ->BC_RET_Z - | b ->vm_return - | - |8: // Coroutine returned with error (at co->top-1). - |.if resume - | andi. TMP0, PC, FRAME_TYPE - | la TMP3, -8(TMP3) - | li TMP1, LJ_TFALSE - | evldd TMP0, 0(TMP3) - | stw TMP3, L:SAVE0->top // Remove error from coroutine stack. - | li RD, (2+1)*8 - | stw TMP1, -8(BASE) // Prepend false to results. - | la RA, -8(BASE) - | evstdd TMP0, 0(BASE) // Copy error message. - | b <7 - |.else - | mr CARG1, L - | mr CARG2, L:SAVE0 - | bl extern lj_ffh_coroutine_wrap_err // (lua_State *L, lua_State *co) - |.endif - | - |9: // Handle stack expansion on return from yield. - | mr CARG1, L - | srwi CARG2, RD, 3 - | bl extern lj_state_growstack // (lua_State *L, int n) - | li CRET1, 0 - | b <4 - |.endmacro - | - | coroutine_resume_wrap 1 // coroutine.resume - | coroutine_resume_wrap 0 // coroutine.wrap - | - |.ffunc coroutine_yield - | lwz TMP0, L->cframe - | add TMP1, BASE, NARGS8:RC - | stw BASE, L->base - | andi. TMP0, TMP0, CFRAME_RESUME - | stw TMP1, L->top - | li CRET1, LUA_YIELD - | beq ->fff_fallback - | stw ZERO, L->cframe - | stb CRET1, L->status - | b ->vm_leave_unw - | - |//-- Math library ------------------------------------------------------- - | - |.ffunc_n math_abs - | efdabs CRET1, CARG1 - | // Fallthrough. - | - |->fff_restv: - | // CRET1 = TValue result. - | lwz PC, FRAME_PC(BASE) - | la RA, -8(BASE) - | evstdd CRET1, 0(RA) - |->fff_res1: - | // RA = results, PC = return. - | li RD, (1+1)*8 - |->fff_res: - | // RA = results, RD = (nresults+1)*8, PC = return. - | andi. TMP0, PC, FRAME_TYPE - | mr MULTRES, RD - | bne ->vm_return - | lwz INS, -4(PC) - | decode_RB8 RB, INS - |5: - | cmplw RB, RD // More results expected? - | decode_RA8 TMP0, INS - | bgt >6 - | ins_next1 - | // Adjust BASE. KBASE is assumed to be set for the calling frame. - | sub BASE, RA, TMP0 - | ins_next2 - | - |6: // Fill up results with nil. - | subi TMP1, RD, 8 - | addi RD, RD, 8 - | evstddx TISNIL, RA, TMP1 - | b <5 - | - |.macro math_extern, func - | .ffunc math_ .. func - | cmplwi NARGS8:RC, 8 - | evldd CARG2, 0(BASE) - | blt ->fff_fallback - | checknum CARG2 - | evmergehi CARG1, CARG2, CARG2 - | checkfail ->fff_fallback - | bl extern func - | evmergelo CRET1, CRET1, CRET2 - | b ->fff_restv - |.endmacro - | - |.macro math_extern2, func - | .ffunc math_ .. func - | cmplwi NARGS8:RC, 16 - | evldd CARG2, 0(BASE) - | evldd CARG4, 8(BASE) - | blt ->fff_fallback - | evmergehi CARG1, CARG4, CARG2 - | checknum CARG1 - | evmergehi CARG3, CARG4, CARG4 - | checkanyfail ->fff_fallback - | bl extern func - | evmergelo CRET1, CRET1, CRET2 - | b ->fff_restv - |.endmacro - | - |.macro math_round, func - | .ffunc math_ .. func - | cmplwi NARGS8:RC, 8 - | evldd CARG2, 0(BASE) - | blt ->fff_fallback - | checknum CARG2 - | evmergehi CARG1, CARG2, CARG2 - | checkfail ->fff_fallback - | lwz PC, FRAME_PC(BASE) - | bl ->vm_..func.._hilo; - | la RA, -8(BASE) - | evstdd CRET2, 0(RA) - | b ->fff_res1 - |.endmacro - | - | math_round floor - | math_round ceil - | - | math_extern sqrt - | math_extern log - | math_extern log10 - | math_extern exp - | math_extern sin - | math_extern cos - | math_extern tan - | math_extern asin - | math_extern acos - | math_extern atan - | math_extern sinh - | math_extern cosh - | math_extern tanh - | math_extern2 pow - | math_extern2 atan2 - | math_extern2 fmod - | - |->ff_math_deg: - |.ffunc_n math_rad - | evldd CARG2, CFUNC:RB->upvalue[0] - | efdmul CRET1, CARG1, CARG2 - | b ->fff_restv - | - |.ffunc math_ldexp - | cmplwi NARGS8:RC, 16 - | evldd CARG2, 0(BASE) - | evldd CARG4, 8(BASE) - | blt ->fff_fallback - | evmergehi CARG1, CARG4, CARG2 - | checknum CARG1 - | checkanyfail ->fff_fallback - | efdctsi CARG3, CARG4 - | bl extern ldexp - | evmergelo CRET1, CRET1, CRET2 - | b ->fff_restv - | - |.ffunc math_frexp - | cmplwi NARGS8:RC, 8 - | evldd CARG2, 0(BASE) - | blt ->fff_fallback - | checknum CARG2 - | evmergehi CARG1, CARG2, CARG2 - | checkfail ->fff_fallback - | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) - | lwz PC, FRAME_PC(BASE) - | bl extern frexp - | lwz TMP1, DISPATCH_GL(tmptv)(DISPATCH) - | evmergelo CRET1, CRET1, CRET2 - | efdcfsi CRET2, TMP1 - | la RA, -8(BASE) - | evstdd CRET1, 0(RA) - | li RD, (2+1)*8 - | evstdd CRET2, 8(RA) - | b ->fff_res - | - |.ffunc math_modf - | cmplwi NARGS8:RC, 8 - | evldd CARG2, 0(BASE) - | blt ->fff_fallback - | checknum CARG2 - | evmergehi CARG1, CARG2, CARG2 - | checkfail ->fff_fallback - | la CARG3, -8(BASE) - | lwz PC, FRAME_PC(BASE) - | bl extern modf - | evmergelo CRET1, CRET1, CRET2 - | la RA, -8(BASE) - | evstdd CRET1, 0(BASE) - | li RD, (2+1)*8 - | b ->fff_res - | - |.macro math_minmax, name, cmpop - | .ffunc_1 name - | checknum CARG1 - | li TMP1, 8 - | checkfail ->fff_fallback - |1: - | evlddx CARG2, BASE, TMP1 - | cmplw cr1, TMP1, NARGS8:RC - | checknum CARG2 - | bge cr1, ->fff_restv // Ok, since CRET1 = CARG1. - | checkfail ->fff_fallback - | cmpop CARG2, CARG1 - | addi TMP1, TMP1, 8 - | crmove 4*cr0+lt, 4*cr0+gt - | evsel CARG1, CARG2, CARG1 - | b <1 - |.endmacro - | - | math_minmax math_min, efdtstlt - | math_minmax math_max, efdtstgt - | - |//-- String library ----------------------------------------------------- - | - |.ffunc_1 string_len - | checkstr STR:CARG1 - | checkfail ->fff_fallback - | lwz TMP0, STR:CARG1->len - | efdcfsi CRET1, TMP0 - | b ->fff_restv - | - |.ffunc string_byte // Only handle the 1-arg case here. - | cmplwi NARGS8:RC, 8 - | evldd STR:CARG1, 0(BASE) - | bne ->fff_fallback // Need exactly 1 argument. - | checkstr STR:CARG1 - | la RA, -8(BASE) - | checkfail ->fff_fallback - | lwz TMP0, STR:CARG1->len - | li RD, (0+1)*8 - | lbz TMP1, STR:CARG1[1] // Access is always ok (NUL at end). - | li TMP2, (1+1)*8 - | cmplwi TMP0, 0 - | lwz PC, FRAME_PC(BASE) - | efdcfsi CRET1, TMP1 - | iseleq RD, RD, TMP2 - | evstdd CRET1, 0(RA) - | b ->fff_res - | - |.ffunc string_char // Only handle the 1-arg case here. - | ffgccheck - | cmplwi NARGS8:RC, 8 - | evldd CARG1, 0(BASE) - | bne ->fff_fallback // Exactly 1 argument. - | checknum CARG1 - | la CARG2, DISPATCH_GL(tmptv)(DISPATCH) - | checkfail ->fff_fallback - | efdctsiz TMP0, CARG1 - | li CARG3, 1 - | cmplwi TMP0, 255 - | stb TMP0, 0(CARG2) - | bgt ->fff_fallback - |->fff_newstr: - | mr CARG1, L - | stw BASE, L->base - | stw PC, SAVE_PC - | bl extern lj_str_new // (lua_State *L, char *str, size_t l) - | // Returns GCstr *. - | lwz BASE, L->base - | evmergelo STR:CRET1, TISSTR, STR:CRET1 - | b ->fff_restv - | - |.ffunc string_sub - | ffgccheck - | cmplwi NARGS8:RC, 16 - | evldd CARG3, 16(BASE) - | evldd STR:CARG1, 0(BASE) - | blt ->fff_fallback - | evldd CARG2, 8(BASE) - | li TMP2, -1 - | beq >1 - | checknum CARG3 - | checkfail ->fff_fallback - | efdctsiz TMP2, CARG3 - |1: - | checknum CARG2 - | checkfail ->fff_fallback - | checkstr STR:CARG1 - | efdctsiz TMP1, CARG2 - | checkfail ->fff_fallback - | lwz TMP0, STR:CARG1->len - | cmplw TMP0, TMP2 // len < end? (unsigned compare) - | add TMP3, TMP2, TMP0 - | blt >5 - |2: - | cmpwi TMP1, 0 // start <= 0? - | add TMP3, TMP1, TMP0 - | ble >7 - |3: - | sub. CARG3, TMP2, TMP1 - | addi CARG2, STR:CARG1, #STR-1 - | addi CARG3, CARG3, 1 - | add CARG2, CARG2, TMP1 - | isellt CARG3, r0, CARG3 - | b ->fff_newstr - | - |5: // Negative end or overflow. - | cmpw TMP0, TMP2 - | addi TMP3, TMP3, 1 - | iselgt TMP2, TMP3, TMP0 // end = end > len ? len : end+len+1 - | b <2 - | - |7: // Negative start or underflow. - | cmpwi cr1, TMP3, 0 - | iseleq TMP1, r0, TMP3 - | isel TMP1, r0, TMP1, 4*cr1+lt - | addi TMP1, TMP1, 1 // start = 1 + (start ? start+len : 0) - | b <3 - | - |.ffunc string_rep // Only handle the 1-char case inline. - | ffgccheck - | cmplwi NARGS8:RC, 16 - | evldd CARG1, 0(BASE) - | evldd CARG2, 8(BASE) - | blt ->fff_fallback - | checknum CARG2 - | checkfail ->fff_fallback - | checkstr STR:CARG1 - | efdctsiz CARG3, CARG2 - | checkfail ->fff_fallback - | lwz TMP0, STR:CARG1->len - | cmpwi CARG3, 0 - | lwz TMP1, DISPATCH_GL(tmpbuf.sz)(DISPATCH) - | ble >2 // Count <= 0? (or non-int) - | cmplwi TMP0, 1 - | subi TMP2, CARG3, 1 - | blt >2 // Zero length string? - | cmplw cr1, TMP1, CARG3 - | bne ->fff_fallback // Fallback for > 1-char strings. - | lbz TMP0, STR:CARG1[1] - | lwz CARG2, DISPATCH_GL(tmpbuf.buf)(DISPATCH) - | blt cr1, ->fff_fallback - |1: // Fill buffer with char. Yes, this is suboptimal code (do you care?). - | cmplwi TMP2, 0 - | stbx TMP0, CARG2, TMP2 - | subi TMP2, TMP2, 1 - | bne <1 - | b ->fff_newstr - |2: // Return empty string. - | la STR:CRET1, DISPATCH_GL(strempty)(DISPATCH) - | evmergelo CRET1, TISSTR, STR:CRET1 - | b ->fff_restv - | - |.ffunc string_reverse - | ffgccheck - | cmplwi NARGS8:RC, 8 - | evldd CARG1, 0(BASE) - | blt ->fff_fallback - | checkstr STR:CARG1 - | lwz TMP1, DISPATCH_GL(tmpbuf.sz)(DISPATCH) - | checkfail ->fff_fallback - | lwz CARG3, STR:CARG1->len - | la CARG1, #STR(STR:CARG1) - | lwz CARG2, DISPATCH_GL(tmpbuf.buf)(DISPATCH) - | li TMP2, 0 - | cmplw TMP1, CARG3 - | subi TMP3, CARG3, 1 - | blt ->fff_fallback - |1: // Reverse string copy. - | cmpwi TMP3, 0 - | lbzx TMP1, CARG1, TMP2 - | blt ->fff_newstr - | stbx TMP1, CARG2, TMP3 - | subi TMP3, TMP3, 1 - | addi TMP2, TMP2, 1 - | b <1 - | - |.macro ffstring_case, name, lo - | .ffunc name - | ffgccheck - | cmplwi NARGS8:RC, 8 - | evldd CARG1, 0(BASE) - | blt ->fff_fallback - | checkstr STR:CARG1 - | lwz TMP1, DISPATCH_GL(tmpbuf.sz)(DISPATCH) - | checkfail ->fff_fallback - | lwz CARG3, STR:CARG1->len - | la CARG1, #STR(STR:CARG1) - | lwz CARG2, DISPATCH_GL(tmpbuf.buf)(DISPATCH) - | cmplw TMP1, CARG3 - | li TMP2, 0 - | blt ->fff_fallback - |1: // ASCII case conversion. - | cmplw TMP2, CARG3 - | lbzx TMP1, CARG1, TMP2 - | bge ->fff_newstr - | subi TMP0, TMP1, lo - | xori TMP3, TMP1, 0x20 - | cmplwi TMP0, 26 - | isellt TMP1, TMP3, TMP1 - | stbx TMP1, CARG2, TMP2 - | addi TMP2, TMP2, 1 - | b <1 - |.endmacro - | - |ffstring_case string_lower, 65 - |ffstring_case string_upper, 97 - | - |//-- Table library ------------------------------------------------------ - | - |.ffunc_1 table_getn - | checktab CARG1 - | checkfail ->fff_fallback - | bl extern lj_tab_len // (GCtab *t) - | // Returns uint32_t (but less than 2^31). - | efdcfsi CRET1, CRET1 - | b ->fff_restv - | - |//-- Bit library -------------------------------------------------------- - | - |.macro .ffunc_bit, name - | .ffunc_n bit_..name - | efdadd CARG1, CARG1, TOBIT - |.endmacro - | - |.ffunc_bit tobit - |->fff_resbit: - | efdcfsi CRET1, CARG1 - | b ->fff_restv - | - |.macro .ffunc_bit_op, name, ins - | .ffunc_bit name - | li TMP1, 8 - |1: - | evlddx CARG2, BASE, TMP1 - | cmplw cr1, TMP1, NARGS8:RC - | checknum CARG2 - | bge cr1, ->fff_resbit - | checkfail ->fff_fallback - | efdadd CARG2, CARG2, TOBIT - | ins CARG1, CARG1, CARG2 - | addi TMP1, TMP1, 8 - | b <1 - |.endmacro - | - |.ffunc_bit_op band, and - |.ffunc_bit_op bor, or - |.ffunc_bit_op bxor, xor - | - |.ffunc_bit bswap - | rotlwi TMP0, CARG1, 8 - | rlwimi TMP0, CARG1, 24, 0, 7 - | rlwimi TMP0, CARG1, 24, 16, 23 - | efdcfsi CRET1, TMP0 - | b ->fff_restv - | - |.ffunc_bit bnot - | not TMP0, CARG1 - | efdcfsi CRET1, TMP0 - | b ->fff_restv - | - |.macro .ffunc_bit_sh, name, ins, shmod - | .ffunc_nn bit_..name - | efdadd CARG2, CARG2, TOBIT - | efdadd CARG1, CARG1, TOBIT - |.if shmod == 1 - | rlwinm CARG2, CARG2, 0, 27, 31 - |.elif shmod == 2 - | neg CARG2, CARG2 - |.endif - | ins TMP0, CARG1, CARG2 - | efdcfsi CRET1, TMP0 - | b ->fff_restv - |.endmacro - | - |.ffunc_bit_sh lshift, slw, 1 - |.ffunc_bit_sh rshift, srw, 1 - |.ffunc_bit_sh arshift, sraw, 1 - |.ffunc_bit_sh rol, rotlw, 0 - |.ffunc_bit_sh ror, rotlw, 2 - | - |//----------------------------------------------------------------------- - | - |->fff_fallback: // Call fast function fallback handler. - | // BASE = new base, RB = CFUNC, RC = nargs*8 - | lwz TMP3, CFUNC:RB->f - | add TMP1, BASE, NARGS8:RC - | lwz PC, FRAME_PC(BASE) // Fallback may overwrite PC. - | addi TMP0, TMP1, 8*LUA_MINSTACK - | lwz TMP2, L->maxstack - | stw PC, SAVE_PC // Redundant (but a defined value). - | cmplw TMP0, TMP2 - | stw BASE, L->base - | stw TMP1, L->top - | mr CARG1, L - | bgt >5 // Need to grow stack. - | mtctr TMP3 - | bctrl // (lua_State *L) - | // Either throws an error, or recovers and returns -1, 0 or nresults+1. - | lwz BASE, L->base - | cmpwi CRET1, 0 - | slwi RD, CRET1, 3 - | la RA, -8(BASE) - | bgt ->fff_res // Returned nresults+1? - |1: // Returned 0 or -1: retry fast path. - | lwz TMP0, L->top - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | sub NARGS8:RC, TMP0, BASE - | bne ->vm_call_tail // Returned -1? - | ins_callt // Returned 0: retry fast path. - | - |// Reconstruct previous base for vmeta_call during tailcall. - |->vm_call_tail: - | andi. TMP0, PC, FRAME_TYPE - | rlwinm TMP1, PC, 0, 0, 28 - | bne >3 - | lwz INS, -4(PC) - | decode_RA8 TMP1, INS - |3: - | sub TMP2, BASE, TMP1 - | b ->vm_call_dispatch // Resolve again for tailcall. - | - |5: // Grow stack for fallback handler. - | li CARG2, LUA_MINSTACK - | bl extern lj_state_growstack // (lua_State *L, int n) - | lwz BASE, L->base - | cmpw TMP0, TMP0 // Set 4*cr0+eq to force retry. - | b <1 - | - |->fff_gcstep: // Call GC step function. - | // BASE = new base, RC = nargs*8 - | mflr SAVE0 - | stw BASE, L->base - | add TMP0, BASE, NARGS8:RC - | stw PC, SAVE_PC // Redundant (but a defined value). - | stw TMP0, L->top - | mr CARG1, L - | bl extern lj_gc_step // (lua_State *L) - | lwz BASE, L->base - | mtlr SAVE0 - | lwz TMP0, L->top - | sub NARGS8:RC, TMP0, BASE - | lwz CFUNC:RB, FRAME_FUNC(BASE) - | blr - | - |//----------------------------------------------------------------------- - |//-- Special dispatch targets ------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_record: // Dispatch target for recording phase. -#if LJ_HASJIT - | NYI -#endif - | - |->vm_rethook: // Dispatch target for return hooks. - | lbz TMP3, DISPATCH_GL(hookmask)(DISPATCH) - | andi. TMP0, TMP3, HOOK_ACTIVE // Hook already active? - | beq >1 - |5: // Re-dispatch to static ins. - | addi TMP1, TMP1, GG_DISP2STATIC // Assumes decode_OP4 TMP1, INS. - | lwzx TMP0, DISPATCH, TMP1 - | mtctr TMP0 - | bctr - | - |->vm_inshook: // Dispatch target for instr/line hooks. - | lbz TMP3, DISPATCH_GL(hookmask)(DISPATCH) - | lwz TMP2, DISPATCH_GL(hookcount)(DISPATCH) - | andi. TMP0, TMP3, HOOK_ACTIVE // Hook already active? - | rlwinm TMP0, TMP3, 31-LUA_HOOKLINE, 31, 0 - | bne <5 - | - | cmpwi cr1, TMP0, 0 - | addic. TMP2, TMP2, -1 - | beq cr1, <5 - | stw TMP2, DISPATCH_GL(hookcount)(DISPATCH) - | beq >1 - | bge cr1, <5 - |1: - | mr CARG1, L - | stw MULTRES, SAVE_MULTRES - | mr CARG2, PC - | stw BASE, L->base - | // SAVE_PC must hold the _previous_ PC. The callee updates it with PC. - | bl extern lj_dispatch_ins // (lua_State *L, const BCIns *pc) - |3: - | lwz BASE, L->base - |4: // Re-dispatch to static ins. - | lwz INS, -4(PC) - | decode_OP4 TMP1, INS - | decode_RB8 RB, INS - | addi TMP1, TMP1, GG_DISP2STATIC - | decode_RD8 RD, INS - | lwzx TMP0, DISPATCH, TMP1 - | decode_RA8 RA, INS - | decode_RC8 RC, INS - | mtctr TMP0 - | bctr - | - |->cont_hook: // Continue from hook yield. - | addi PC, PC, 4 - | lwz MULTRES, -20(RB) // Restore MULTRES for *M ins. - | b <4 - | - |->vm_hotloop: // Hot loop counter underflow. -#if LJ_HASJIT - | NYI -#endif - | - |->vm_callhook: // Dispatch target for call hooks. - | mr CARG2, PC -#if LJ_HASJIT - | b >1 -#endif - | - |->vm_hotcall: // Hot call counter underflow. -#if LJ_HASJIT - | ori CARG2, PC, 1 - |1: -#endif - | add TMP0, BASE, RC - | stw PC, SAVE_PC - | mr CARG1, L - | stw BASE, L->base - | sub RA, RA, BASE - | stw TMP0, L->top - | bl extern lj_dispatch_call // (lua_State *L, const BCIns *pc) - | // Returns ASMFunction. - | lwz BASE, L->base - | lwz TMP0, L->top - | stw ZERO, SAVE_PC // Invalidate for subsequent line hook. - | sub NARGS8:RC, TMP0, BASE - | add RA, BASE, RA - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | mtctr CRET1 - | bctr - | - |//----------------------------------------------------------------------- - |//-- Trace exit handler ------------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_exit_handler: -#if LJ_HASJIT - | NYI -#endif - |->vm_exit_interp: -#if LJ_HASJIT - | NYI -#endif - | - |//----------------------------------------------------------------------- - |//-- Math helper functions ---------------------------------------------- - |//----------------------------------------------------------------------- - | - |// FP value rounding. Called by math.floor/math.ceil fast functions - |// and from JIT code. - |// - |// This can be inlined if the CPU has the frin/friz/frip/frim instructions. - |// The alternative hard-float approaches have a deep dependency chain. - |// The resulting latency is at least 3x-7x the double-precision FP latency - |// (e500v2: 6cy, e600: 5cy, Cell: 10cy) or around 20-70 cycles. - |// - |// The soft-float approach is tedious, but much faster (e500v2: ~11cy/~6cy). - |// However it relies on a fast way to transfer the FP value to GPRs - |// (e500v2: 0cy for lo-word, 1cy for hi-word). - |// - |.macro vm_round, name, mode - | // Used temporaries: TMP0, TMP1, TMP2, TMP3. - |->name.._efd: // Input: CARG2, output: CRET2 - | evmergehi CARG1, CARG2, CARG2 - |->name.._hilo: - | // Input: CARG1 (hi), CARG2 (hi, lo), output: CRET2 - | rlwinm TMP2, CARG1, 12, 21, 31 - | addic. TMP2, TMP2, -1023 // exp = exponent(x) - 1023 - | li TMP1, -1 - | cmplwi cr1, TMP2, 51 // 0 <= exp <= 51? - | subfic TMP0, TMP2, 52 - | bgt cr1, >1 - | lus TMP3, 0xfff0 - | slw TMP0, TMP1, TMP0 // lomask = -1 << (52-exp) - | sraw TMP1, TMP3, TMP2 // himask = (int32_t)0xfff00000 >> exp - |.if mode == 2 // trunc(x): - | evmergelo TMP0, TMP1, TMP0 - | evand CRET2, CARG2, TMP0 // hi &= himask, lo &= lomask - |.else - | andc TMP2, CARG2, TMP0 - | andc TMP3, CARG1, TMP1 - | or TMP2, TMP2, TMP3 // ztest = (hi&~himask) | (lo&~lomask) - | srawi TMP3, CARG1, 31 // signmask = (int32_t)hi >> 31 - |.if mode == 0 // floor(x): - | and. TMP2, TMP2, TMP3 // iszero = ((ztest & signmask) == 0) - |.else // ceil(x): - | andc. TMP2, TMP2, TMP3 // iszero = ((ztest & ~signmask) == 0) - |.endif - | and CARG2, CARG2, TMP0 // lo &= lomask - | and CARG1, CARG1, TMP1 // hi &= himask - | subc TMP0, CARG2, TMP0 - | iseleq TMP0, CARG2, TMP0 // lo = iszero ? lo : lo-lomask - | sube TMP1, CARG1, TMP1 - | iseleq TMP1, CARG1, TMP1 // hi = iszero ? hi : hi-himask+carry - | evmergelo CRET2, TMP1, TMP0 - |.endif - | blr - |1: - | bgtlr // Already done if >=2^52, +-inf or nan. - |.if mode == 2 // trunc(x): - | rlwinm TMP1, CARG1, 0, 0, 0 // hi = sign(x) - | li TMP0, 0 - | evmergelo CRET2, TMP1, TMP0 - |.else - | rlwinm TMP2, CARG1, 0, 1, 31 - | srawi TMP0, CARG1, 31 // signmask = (int32_t)hi >> 31 - | or TMP2, TMP2, CARG2 // ztest = abs(hi) | lo - | lus TMP1, 0x3ff0 - |.if mode == 0 // floor(x): - | and. TMP2, TMP2, TMP0 // iszero = ((ztest & signmask) == 0) - |.else // ceil(x): - | andc. TMP2, TMP2, TMP0 // iszero = ((ztest & ~signmask) == 0) - |.endif - | li TMP0, 0 - | iseleq TMP1, r0, TMP1 - | rlwimi CARG1, TMP1, 0, 1, 31 // hi = sign(x) | (iszero ? 0.0 : 1.0) - | evmergelo CRET2, CARG1, TMP0 - |.endif - | blr - |.endmacro - | - |->vm_floor: - | mflr CARG3 - | bl ->vm_floor_hilo - | mtlr CARG3 - | evmergehi CRET1, CRET2, CRET2 - | blr - | - | vm_round vm_floor, 0 - | vm_round vm_ceil, 1 -#if LJ_HASJIT - | vm_round vm_trunc, 2 -#else - |->vm_trunc_efd: - |->vm_trunc_hilo: -#endif - | - |// Callable from C: double lj_vm_foldarith(double x, double y, int op) - |// Compute x op y for basic arithmetic operators (+ - * / % ^ and unary -) - |// and basic math functions. ORDER ARITH - |->vm_foldarith: - | evmergelo CARG2, CARG1, CARG2 - | cmplwi CARG5, 1 - | evmergelo CARG4, CARG3, CARG4 - | beq >1; bgt >2 - | efdadd CRET2, CARG2, CARG4; evmergehi CRET1, CRET2, CRET2; blr - |1: - | efdsub CRET2, CARG2, CARG4; evmergehi CRET1, CRET2, CRET2; blr - |2: - | cmplwi CARG5, 3; beq >1; bgt >2 - | efdmul CRET2, CARG2, CARG4; evmergehi CRET1, CRET2, CRET2; blr - |1: - | efddiv CRET2, CARG2, CARG4; evmergehi CRET1, CRET2, CRET2; blr - |2: - | cmplwi CARG5, 5; beq >1; bgt >2 - | evmr CARG3, CARG2; efddiv CRET2, CARG2, CARG4; evmr RB, CARG4 - | mflr RC; bl ->vm_floor_efd; mtlr RC - | efdmul CRET2, CRET2, RB; efdsub CRET2, CARG3, CRET2 - | evmergehi CRET1, CRET2, CRET2; blr - |1: - | b extern pow - |2: - | cmplwi CARG5, 7; beq >1; bgt >2 - | xoris CARG1, CARG1, 0x8000; blr - |1: - | rlwinm CARG1, CARG1, 0, 1, 31; blr - |2: - | NYI // Other operations only needed by JIT compiler. - | - |//----------------------------------------------------------------------- - |//-- Miscellaneous functions -------------------------------------------- - |//----------------------------------------------------------------------- - | - |//----------------------------------------------------------------------- - |//-- FFI helper functions ----------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_ffi_call: -#if LJ_HASFFI - | NYI -#endif - | - |//----------------------------------------------------------------------- -} - -/* Generate the code for a single instruction. */ -static void build_ins(BuildCtx *ctx, BCOp op, int defop) -{ - int vk = 0; - |=>defop: - - switch (op) { - - /* -- Comparison ops ---------------------------------------------------- */ - - /* Remember: all ops branch for a true comparison, fall through otherwise. */ - - case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: - | // RA = src1*8, RD = src2*8, JMP with RD = target - | evlddx TMP0, BASE, RA - | addi PC, PC, 4 - | evlddx TMP1, BASE, RD - | addis TMP3, PC, -(BCBIAS_J*4 >> 16) - | lwz TMP2, -4(PC) - | evmergehi RB, TMP0, TMP1 - | decode_RD4 TMP2, TMP2 - | checknum RB - | add TMP2, TMP2, TMP3 - | checkanyfail ->vmeta_comp - | efdcmplt TMP0, TMP1 - if (op == BC_ISLE || op == BC_ISGT) { - | efdcmpeq cr1, TMP0, TMP1 - | cror 4*cr0+gt, 4*cr0+gt, 4*cr1+gt - } - if (op == BC_ISLT || op == BC_ISLE) { - | iselgt PC, TMP2, PC - } else { - | iselgt PC, PC, TMP2 - } - | ins_next - break; - - case BC_ISEQV: case BC_ISNEV: - vk = op == BC_ISEQV; - | // RA = src1*8, RD = src2*8, JMP with RD = target - | evlddx CARG2, BASE, RA - | addi PC, PC, 4 - | evlddx CARG3, BASE, RD - | addis TMP3, PC, -(BCBIAS_J*4 >> 16) - | lwz TMP2, -4(PC) - | evmergehi RB, CARG2, CARG3 - | decode_RD4 TMP2, TMP2 - | checknum RB - | add TMP2, TMP2, TMP3 - | checkanyfail >5 - | efdcmpeq CARG2, CARG3 - if (vk) { - | iselgt PC, TMP2, PC - } else { - | iselgt PC, PC, TMP2 - } - |1: - | ins_next - | - |5: // Either or both types are not numbers. - | evcmpeq CARG2, CARG3 - | not TMP3, RB - | cmplwi cr1, TMP3, ~LJ_TISPRI // Primitive? - | crorc 4*cr7+lt, 4*cr0+so, 4*cr0+lt // 1: Same tv or different type. - | cmplwi cr6, TMP3, ~LJ_TISTABUD // Table or userdata? - | crandc 4*cr7+gt, 4*cr0+lt, 4*cr1+gt // 2: Same type and primitive. - | mr SAVE0, PC - if (vk) { - | isel PC, TMP2, PC, 4*cr7+gt - } else { - | isel TMP2, PC, TMP2, 4*cr7+gt - } - | cror 4*cr7+lt, 4*cr7+lt, 4*cr7+gt // 1 or 2. - if (vk) { - | isel PC, TMP2, PC, 4*cr0+so - } else { - | isel PC, PC, TMP2, 4*cr0+so - } - | blt cr7, <1 // Done if 1 or 2. - | blt cr6, <1 // Done if not tab/ud. - | - | // Different tables or userdatas. Need to check __eq metamethod. - | // Field metatable must be at same offset for GCtab and GCudata! - | lwz TAB:TMP2, TAB:CARG2->metatable - | li CARG4, 1-vk // ne = 0 or 1. - | cmplwi TAB:TMP2, 0 - | beq <1 // No metatable? - | lbz TMP2, TAB:TMP2->nomm - | andi. TMP2, TMP2, 1<vmeta_equal // Handle __eq metamethod. - break; - - case BC_ISEQS: case BC_ISNES: - vk = op == BC_ISEQS; - | // RA = src*8, RD = str_const*8 (~), JMP with RD = target - | evlddx TMP0, BASE, RA - | srwi RD, RD, 1 - | lwz INS, 0(PC) - | subfic RD, RD, -4 - | addi PC, PC, 4 - | lwzx STR:TMP1, KBASE, RD // KBASE-4-str_const*4 - | addis TMP3, PC, -(BCBIAS_J*4 >> 16) - | decode_RD4 TMP2, INS - | evmergelo STR:TMP1, TISSTR, STR:TMP1 - | add TMP2, TMP2, TMP3 - | evcmpeq TMP0, STR:TMP1 - if (vk) { - | isel PC, TMP2, PC, 4*cr0+so - } else { - | isel PC, PC, TMP2, 4*cr0+so - } - | ins_next - break; - - case BC_ISEQN: case BC_ISNEN: - vk = op == BC_ISEQN; - | // RA = src*8, RD = num_const*8, JMP with RD = target - | evlddx TMP0, BASE, RA - | addi PC, PC, 4 - | evlddx TMP1, KBASE, RD - | addis TMP3, PC, -(BCBIAS_J*4 >> 16) - | lwz INS, -4(PC) - | checknum TMP0 - | checkfail >5 - | efdcmpeq TMP0, TMP1 - |1: - | decode_RD4 TMP2, INS - | add TMP2, TMP2, TMP3 - if (vk) { - | iselgt PC, TMP2, PC - |5: - } else { - | iselgt PC, PC, TMP2 - } - |3: - | ins_next - if (!vk) { - |5: - | decode_RD4 TMP2, INS - | add PC, TMP2, TMP3 - | b <3 - } - break; - - case BC_ISEQP: case BC_ISNEP: - vk = op == BC_ISEQP; - | // RA = src*8, RD = primitive_type*8 (~), JMP with RD = target - | lwzx TMP0, BASE, RA - | srwi TMP1, RD, 3 - | lwz INS, 0(PC) - | addi PC, PC, 4 - | not TMP1, TMP1 - | addis TMP3, PC, -(BCBIAS_J*4 >> 16) - | cmplw TMP0, TMP1 - | decode_RD4 TMP2, INS - | add TMP2, TMP2, TMP3 - if (vk) { - | iseleq PC, TMP2, PC - } else { - | iseleq PC, PC, TMP2 - } - | ins_next - break; - - /* -- Unary test and copy ops ------------------------------------------- */ - - case BC_ISTC: case BC_ISFC: case BC_IST: case BC_ISF: - | // RA = dst*8 or unused, RD = src*8, JMP with RD = target - | evlddx TMP0, BASE, RD - | evaddw TMP1, TISNIL, TISNIL // Synthesize LJ_TFALSE. - | lwz INS, 0(PC) - | evcmpltu TMP0, TMP1 - | addi PC, PC, 4 - if (op == BC_IST || op == BC_ISF) { - | addis TMP3, PC, -(BCBIAS_J*4 >> 16) - | decode_RD4 TMP2, INS - | add TMP2, TMP2, TMP3 - if (op == BC_IST) { - | isellt PC, TMP2, PC - } else { - | isellt PC, PC, TMP2 - } - } else { - if (op == BC_ISTC) { - | checkfail >1 - } else { - | checkok >1 - } - | addis PC, PC, -(BCBIAS_J*4 >> 16) - | decode_RD4 TMP2, INS - | evstddx TMP0, BASE, RA - | add PC, PC, TMP2 - |1: - } - | ins_next - break; - - /* -- Unary ops --------------------------------------------------------- */ - - case BC_MOV: - | // RA = dst*8, RD = src*8 - | ins_next1 - | evlddx TMP0, BASE, RD - | evstddx TMP0, BASE, RA - | ins_next2 - break; - case BC_NOT: - | // RA = dst*8, RD = src*8 - | ins_next1 - | lwzx TMP0, BASE, RD - | subfic TMP1, TMP0, LJ_TTRUE - | adde TMP0, TMP0, TMP1 - | stwx TMP0, BASE, RA - | ins_next2 - break; - case BC_UNM: - | // RA = dst*8, RD = src*8 - | evlddx TMP0, BASE, RD - | checknum TMP0 - | checkfail ->vmeta_unm - | efdneg TMP0, TMP0 - | ins_next1 - | evstddx TMP0, BASE, RA - | ins_next2 - break; - case BC_LEN: - | // RA = dst*8, RD = src*8 - | evlddx CARG1, BASE, RD - | checkstr CARG1 - | checkfail >2 - | lwz CRET1, STR:CARG1->len - |1: - | ins_next1 - | efdcfsi TMP0, CRET1 - | evstddx TMP0, BASE, RA - | ins_next2 - |2: - | checktab CARG1 - | checkfail ->vmeta_len -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | lwz TAB:TMP2, TAB:CARG1->metatable - | cmplwi TAB:TMP2, 0 - | bne >9 - |3: -#endif - |->BC_LEN_Z: - | bl extern lj_tab_len // (GCtab *t) - | // Returns uint32_t (but less than 2^31). - | b <1 -#ifdef LUAJIT_ENABLE_LUA52COMPAT - |9: - | lbz TMP0, TAB:TMP2->nomm - | andi. TMP0, TMP0, 1<vmeta_len -#endif - break; - - /* -- Binary ops -------------------------------------------------------- */ - - |.macro ins_arithpre, t0, t1 - | // RA = dst*8, RB = src1*8, RC = src2*8 | num_const*8 - ||vk = ((int)op - BC_ADDVN) / (BC_ADDNV-BC_ADDVN); - ||switch (vk) { - ||case 0: - | evlddx t0, BASE, RB - | checknum t0 - | evlddx t1, KBASE, RC - | checkfail ->vmeta_arith_vn - || break; - ||case 1: - | evlddx t1, BASE, RB - | checknum t1 - | evlddx t0, KBASE, RC - | checkfail ->vmeta_arith_nv - || break; - ||default: - | evlddx t0, BASE, RB - | evlddx t1, BASE, RC - | evmergehi TMP2, t0, t1 - | checknum TMP2 - | checkanyfail ->vmeta_arith_vv - || break; - ||} - |.endmacro - | - |.macro ins_arith, ins - | ins_arithpre TMP0, TMP1 - | ins_next1 - | ins TMP0, TMP0, TMP1 - | evstddx TMP0, BASE, RA - | ins_next2 - |.endmacro - - case BC_ADDVN: case BC_ADDNV: case BC_ADDVV: - | ins_arith efdadd - break; - case BC_SUBVN: case BC_SUBNV: case BC_SUBVV: - | ins_arith efdsub - break; - case BC_MULVN: case BC_MULNV: case BC_MULVV: - | ins_arith efdmul - break; - case BC_DIVVN: case BC_DIVNV: case BC_DIVVV: - | ins_arith efddiv - break; - case BC_MODVN: - | ins_arithpre RD, SAVE0 - |->BC_MODVN_Z: - | efddiv CARG2, RD, SAVE0 - | bl ->vm_floor_efd // floor(b/c) - | efdmul TMP0, CRET2, SAVE0 - | ins_next1 - | efdsub TMP0, RD, TMP0 // b - floor(b/c)*c - | evstddx TMP0, BASE, RA - | ins_next2 - break; - case BC_MODNV: case BC_MODVV: - | ins_arithpre RD, SAVE0 - | b ->BC_MODVN_Z // Avoid 3 copies. It's slow anyway. - break; - case BC_POW: - | evlddx CARG2, BASE, RB - | evlddx CARG4, BASE, RC - | evmergehi CARG1, CARG4, CARG2 - | checknum CARG1 - | evmergehi CARG3, CARG4, CARG4 - | checkanyfail ->vmeta_arith_vv - | bl extern pow - | evmergelo CRET2, CRET1, CRET2 - | evstddx CRET2, BASE, RA - | ins_next - break; - - case BC_CAT: - | // RA = dst*8, RB = src_start*8, RC = src_end*8 - | sub CARG3, RC, RB - | stw BASE, L->base - | add CARG2, BASE, RC - | mr SAVE0, RB - |->BC_CAT_Z: - | stw PC, SAVE_PC - | mr CARG1, L - | srwi CARG3, CARG3, 3 - | bl extern lj_meta_cat // (lua_State *L, TValue *top, int left) - | // Returns NULL (finished) or TValue * (metamethod). - | cmplwi CRET1, 0 - | lwz BASE, L->base - | bne ->vmeta_binop - | evlddx TMP0, BASE, SAVE0 // Copy result from RB to RA. - | evstddx TMP0, BASE, RA - | ins_next - break; - - /* -- Constant ops ------------------------------------------------------ */ - - case BC_KSTR: - | // RA = dst*8, RD = str_const*8 (~) - | ins_next1 - | srwi TMP1, RD, 1 - | subfic TMP1, TMP1, -4 - | lwzx TMP0, KBASE, TMP1 // KBASE-4-str_const*4 - | evmergelo TMP0, TISSTR, TMP0 - | evstddx TMP0, BASE, RA - | ins_next2 - break; - case BC_KCDATA: -#if LJ_HASFFI - | // RA = dst*8, RD = cdata_const*8 (~) - | ins_next1 - | srwi TMP1, RD, 1 - | subfic TMP1, TMP1, -4 - | lwzx TMP0, KBASE, TMP1 // KBASE-4-cdata_const*4 - | li TMP2, LJ_TCDATA - | evmergelo TMP0, TMP2, TMP0 - | evstddx TMP0, BASE, RA - | ins_next2 -#endif - break; - case BC_KSHORT: - | // RA = dst*8, RD = int16_literal*8 - | srwi TMP1, RD, 3 - | extsh TMP1, TMP1 - | ins_next1 - | efdcfsi TMP0, TMP1 - | evstddx TMP0, BASE, RA - | ins_next2 - break; - case BC_KNUM: - | // RA = dst*8, RD = num_const*8 - | evlddx TMP0, KBASE, RD - | ins_next1 - | evstddx TMP0, BASE, RA - | ins_next2 - break; - case BC_KPRI: - | // RA = dst*8, RD = primitive_type*8 (~) - | srwi TMP1, RD, 3 - | not TMP0, TMP1 - | ins_next1 - | stwx TMP0, BASE, RA - | ins_next2 - break; - case BC_KNIL: - | // RA = base*8, RD = end*8 - | evstddx TISNIL, BASE, RA - | addi RA, RA, 8 - |1: - | evstddx TISNIL, BASE, RA - | cmpw RA, RD - | addi RA, RA, 8 - | blt <1 - | ins_next_ - break; - - /* -- Upvalue and function ops ------------------------------------------ */ - - case BC_UGET: - | // RA = dst*8, RD = uvnum*8 - | ins_next1 - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | srwi RD, RD, 1 - | addi RD, RD, offsetof(GCfuncL, uvptr) - | lwzx UPVAL:RB, LFUNC:RB, RD - | lwz TMP1, UPVAL:RB->v - | evldd TMP0, 0(TMP1) - | evstddx TMP0, BASE, RA - | ins_next2 - break; - case BC_USETV: - | // RA = uvnum*8, RD = src*8 - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | srwi RA, RA, 1 - | addi RA, RA, offsetof(GCfuncL, uvptr) - | evlddx TMP1, BASE, RD - | lwzx UPVAL:RB, LFUNC:RB, RA - | lbz TMP3, UPVAL:RB->marked - | lwz CARG2, UPVAL:RB->v - | andi. TMP3, TMP3, LJ_GC_BLACK // isblack(uv) - | lbz TMP0, UPVAL:RB->closed - | evmergehi TMP2, TMP1, TMP1 - | evstdd TMP1, 0(CARG2) - | cmplwi cr1, TMP0, 0 - | cror 4*cr0+eq, 4*cr0+eq, 4*cr1+eq - | subi TMP2, TMP2, (LJ_TISNUM+1) - | bne >2 // Upvalue is closed and black? - |1: - | ins_next - | - |2: // Check if new value is collectable. - | cmplwi TMP2, LJ_TISGCV - (LJ_TISNUM+1) - | bge <1 // tvisgcv(v) - | lbz TMP3, GCOBJ:TMP1->gch.marked - | andi. TMP3, TMP3, LJ_GC_WHITES // iswhite(v) - | la CARG1, GG_DISP2G(DISPATCH) - | // Crossed a write barrier. Move the barrier forward. - | beq <1 - | bl extern lj_gc_barrieruv // (global_State *g, TValue *tv) - | b <1 - break; - case BC_USETS: - | // RA = uvnum*8, RD = str_const*8 (~) - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | srwi TMP1, RD, 1 - | srwi RA, RA, 1 - | subfic TMP1, TMP1, -4 - | addi RA, RA, offsetof(GCfuncL, uvptr) - | lwzx STR:TMP1, KBASE, TMP1 // KBASE-4-str_const*4 - | lwzx UPVAL:RB, LFUNC:RB, RA - | evmergelo STR:TMP1, TISSTR, STR:TMP1 - | lbz TMP3, UPVAL:RB->marked - | lwz CARG2, UPVAL:RB->v - | andi. TMP3, TMP3, LJ_GC_BLACK // isblack(uv) - | lbz TMP3, STR:TMP1->marked - | lbz TMP2, UPVAL:RB->closed - | evstdd STR:TMP1, 0(CARG2) - | bne >2 - |1: - | ins_next - | - |2: // Check if string is white and ensure upvalue is closed. - | andi. TMP3, TMP3, LJ_GC_WHITES // iswhite(str) - | cmplwi cr1, TMP2, 0 - | cror 4*cr0+eq, 4*cr0+eq, 4*cr1+eq - | la CARG1, GG_DISP2G(DISPATCH) - | // Crossed a write barrier. Move the barrier forward. - | beq <1 - | bl extern lj_gc_barrieruv // (global_State *g, TValue *tv) - | b <1 - break; - case BC_USETN: - | // RA = uvnum*8, RD = num_const*8 - | ins_next1 - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | srwi RA, RA, 1 - | addi RA, RA, offsetof(GCfuncL, uvptr) - | evlddx TMP0, KBASE, RD - | lwzx UPVAL:RB, LFUNC:RB, RA - | lwz TMP1, UPVAL:RB->v - | evstdd TMP0, 0(TMP1) - | ins_next2 - break; - case BC_USETP: - | // RA = uvnum*8, RD = primitive_type*8 (~) - | ins_next1 - | lwz LFUNC:RB, FRAME_FUNC(BASE) - | srwi RA, RA, 1 - | addi RA, RA, offsetof(GCfuncL, uvptr) - | srwi TMP0, RD, 3 - | lwzx UPVAL:RB, LFUNC:RB, RA - | not TMP0, TMP0 - | lwz TMP1, UPVAL:RB->v - | stw TMP0, 0(TMP1) - | ins_next2 - break; - - case BC_UCLO: - | // RA = level*8, RD = target - | lwz TMP1, L->openupval - | branch_RD // Do this first since RD is not saved. - | stw BASE, L->base - | cmplwi TMP1, 0 - | mr CARG1, L - | beq >1 - | add CARG2, BASE, RA - | bl extern lj_func_closeuv // (lua_State *L, TValue *level) - | lwz BASE, L->base - |1: - | ins_next - break; - - case BC_FNEW: - | // RA = dst*8, RD = proto_const*8 (~) (holding function prototype) - | srwi TMP1, RD, 1 - | stw BASE, L->base - | subfic TMP1, TMP1, -4 - | stw PC, SAVE_PC - | lwzx CARG2, KBASE, TMP1 // KBASE-4-tab_const*4 - | mr CARG1, L - | lwz CARG3, FRAME_FUNC(BASE) - | // (lua_State *L, GCproto *pt, GCfuncL *parent) - | bl extern lj_func_newL_gc - | // Returns GCfuncL *. - | lwz BASE, L->base - | evmergelo LFUNC:CRET1, TISFUNC, LFUNC:CRET1 - | evstddx LFUNC:CRET1, BASE, RA - | ins_next - break; - - /* -- Table ops --------------------------------------------------------- */ - - case BC_TNEW: - case BC_TDUP: - | // RA = dst*8, RD = (hbits|asize)*8 | tab_const*8 (~) - | lwz TMP0, DISPATCH_GL(gc.total)(DISPATCH) - | mr CARG1, L - | lwz TMP1, DISPATCH_GL(gc.threshold)(DISPATCH) - | stw BASE, L->base - | cmplw TMP0, TMP1 - | stw PC, SAVE_PC - | bge >5 - |1: - if (op == BC_TNEW) { - | rlwinm CARG2, RD, 29, 21, 31 - | rlwinm CARG3, RD, 18, 27, 31 - | cmpwi CARG2, 0x7ff - | li TMP1, 0x801 - | iseleq CARG2, TMP1, CARG2 - | bl extern lj_tab_new // (lua_State *L, int32_t asize, uint32_t hbits) - | // Returns Table *. - } else { - | srwi TMP1, RD, 1 - | subfic TMP1, TMP1, -4 - | lwzx CARG2, KBASE, TMP1 // KBASE-4-tab_const*4 - | bl extern lj_tab_dup // (lua_State *L, Table *kt) - | // Returns Table *. - } - | lwz BASE, L->base - | evmergelo TAB:CRET1, TISTAB, TAB:CRET1 - | evstddx TAB:CRET1, BASE, RA - | ins_next - |5: - | mr SAVE0, RD - | bl extern lj_gc_step_fixtop // (lua_State *L) - | mr RD, SAVE0 - | mr CARG1, L - | b <1 - break; - - case BC_GGET: - | // RA = dst*8, RD = str_const*8 (~) - case BC_GSET: - | // RA = src*8, RD = str_const*8 (~) - | lwz LFUNC:TMP2, FRAME_FUNC(BASE) - | srwi TMP1, RD, 1 - | lwz TAB:RB, LFUNC:TMP2->env - | subfic TMP1, TMP1, -4 - | lwzx STR:RC, KBASE, TMP1 // KBASE-4-str_const*4 - if (op == BC_GGET) { - | b ->BC_TGETS_Z - } else { - | b ->BC_TSETS_Z - } - break; - - case BC_TGETV: - | // RA = dst*8, RB = table*8, RC = key*8 - | evlddx TAB:RB, BASE, RB - | evlddx RC, BASE, RC - | checktab TAB:RB - | checkfail ->vmeta_tgetv - | checknum RC - | checkfail >5 - | // Convert number key to integer - | efdctsi TMP2, RC - | lwz TMP0, TAB:RB->asize - | efdcfsi TMP1, TMP2 - | cmplw cr0, TMP0, TMP2 - | efdcmpeq cr1, RC, TMP1 - | lwz TMP1, TAB:RB->array - | crand 4*cr0+gt, 4*cr0+gt, 4*cr1+gt - | slwi TMP2, TMP2, 3 - | ble ->vmeta_tgetv // Integer key and in array part? - | evlddx TMP1, TMP1, TMP2 - | checknil TMP1 - | checkok >2 - |1: - | evstddx TMP1, BASE, RA - | ins_next - | - |2: // Check for __index if table value is nil. - | lwz TAB:TMP2, TAB:RB->metatable - | cmplwi TAB:TMP2, 0 - | beq <1 // No metatable: done. - | lbz TMP0, TAB:TMP2->nomm - | andi. TMP0, TMP0, 1<vmeta_tgetv - | - |5: - | checkstr STR:RC // String key? - | checkok ->BC_TGETS_Z - | b ->vmeta_tgetv - break; - case BC_TGETS: - | // RA = dst*8, RB = table*8, RC = str_const*8 (~) - | evlddx TAB:RB, BASE, RB - | srwi TMP1, RC, 1 - | checktab TAB:RB - | subfic TMP1, TMP1, -4 - | lwzx STR:RC, KBASE, TMP1 // KBASE-4-str_const*4 - | checkfail ->vmeta_tgets1 - |->BC_TGETS_Z: - | // TAB:RB = GCtab *, STR:RC = GCstr *, RA = dst*8 - | lwz TMP0, TAB:RB->hmask - | lwz TMP1, STR:RC->hash - | lwz NODE:TMP2, TAB:RB->node - | evmergelo STR:RC, TISSTR, STR:RC - | and TMP1, TMP1, TMP0 // idx = str->hash & tab->hmask - | slwi TMP0, TMP1, 5 - | slwi TMP1, TMP1, 3 - | sub TMP1, TMP0, TMP1 - | add NODE:TMP2, NODE:TMP2, TMP1 // node = tab->node + (idx*32-idx*8) - |1: - | evldd TMP0, NODE:TMP2->key - | evldd TMP1, NODE:TMP2->val - | evcmpeq TMP0, STR:RC - | checkanyfail >4 - | checknil TMP1 - | checkok >5 // Key found, but nil value? - |3: - | evstddx TMP1, BASE, RA - | ins_next - | - |4: // Follow hash chain. - | lwz NODE:TMP2, NODE:TMP2->next - | cmplwi NODE:TMP2, 0 - | bne <1 - | // End of hash chain: key not found, nil result. - | evmr TMP1, TISNIL - | - |5: // Check for __index if table value is nil. - | lwz TAB:TMP2, TAB:RB->metatable - | cmplwi TAB:TMP2, 0 - | beq <3 // No metatable: done. - | lbz TMP0, TAB:TMP2->nomm - | andi. TMP0, TMP0, 1<vmeta_tgets - break; - case BC_TGETB: - | // RA = dst*8, RB = table*8, RC = index*8 - | evlddx TAB:RB, BASE, RB - | srwi TMP0, RC, 3 - | checktab TAB:RB - | checkfail ->vmeta_tgetb - | lwz TMP1, TAB:RB->asize - | lwz TMP2, TAB:RB->array - | cmplw TMP0, TMP1 - | bge ->vmeta_tgetb - | evlddx TMP1, TMP2, RC - | checknil TMP1 - | checkok >5 - |1: - | ins_next1 - | evstddx TMP1, BASE, RA - | ins_next2 - | - |5: // Check for __index if table value is nil. - | lwz TAB:TMP2, TAB:RB->metatable - | cmplwi TAB:TMP2, 0 - | beq <1 // No metatable: done. - | lbz TMP2, TAB:TMP2->nomm - | andi. TMP2, TMP2, 1<vmeta_tgetb // Caveat: preserve TMP0! - break; - - case BC_TSETV: - | // RA = src*8, RB = table*8, RC = key*8 - | evlddx TAB:RB, BASE, RB - | evlddx RC, BASE, RC - | checktab TAB:RB - | checkfail ->vmeta_tsetv - | checknum RC - | checkfail >5 - | // Convert number key to integer - | efdctsi TMP2, RC - | evlddx SAVE0, BASE, RA - | lwz TMP0, TAB:RB->asize - | efdcfsi TMP1, TMP2 - | cmplw cr0, TMP0, TMP2 - | efdcmpeq cr1, RC, TMP1 - | lwz TMP1, TAB:RB->array - | crand 4*cr0+gt, 4*cr0+gt, 4*cr1+gt - | slwi TMP0, TMP2, 3 - | ble ->vmeta_tsetv // Integer key and in array part? - | lbz TMP3, TAB:RB->marked - | evlddx TMP2, TMP1, TMP0 - | checknil TMP2 - | checkok >3 - |1: - | andi. TMP2, TMP3, LJ_GC_BLACK // isblack(table) - | evstddx SAVE0, TMP1, TMP0 - | bne >7 - |2: - | ins_next - | - |3: // Check for __newindex if previous value is nil. - | lwz TAB:TMP2, TAB:RB->metatable - | cmplwi TAB:TMP2, 0 - | beq <1 // No metatable: done. - | lbz TMP2, TAB:TMP2->nomm - | andi. TMP2, TMP2, 1<vmeta_tsetv - | - |5: - | checkstr STR:RC // String key? - | checkok ->BC_TSETS_Z - | b ->vmeta_tsetv - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:RB, TMP3, TMP0 - | b <2 - break; - case BC_TSETS: - | // RA = src*8, RB = table*8, RC = str_const*8 (~) - | evlddx TAB:RB, BASE, RB - | srwi TMP1, RC, 1 - | checktab TAB:RB - | subfic TMP1, TMP1, -4 - | lwzx STR:RC, KBASE, TMP1 // KBASE-4-str_const*4 - | checkfail ->vmeta_tsets1 - |->BC_TSETS_Z: - | // TAB:RB = GCtab *, STR:RC = GCstr *, RA = src*8 - | lwz TMP0, TAB:RB->hmask - | lwz TMP1, STR:RC->hash - | lwz NODE:TMP2, TAB:RB->node - | evmergelo STR:RC, TISSTR, STR:RC - | stb ZERO, TAB:RB->nomm // Clear metamethod cache. - | and TMP1, TMP1, TMP0 // idx = str->hash & tab->hmask - | evlddx SAVE0, BASE, RA - | slwi TMP0, TMP1, 5 - | slwi TMP1, TMP1, 3 - | sub TMP1, TMP0, TMP1 - | lbz TMP3, TAB:RB->marked - | add NODE:TMP2, NODE:TMP2, TMP1 // node = tab->node + (idx*32-idx*8) - |1: - | evldd TMP0, NODE:TMP2->key - | evldd TMP1, NODE:TMP2->val - | evcmpeq TMP0, STR:RC - | checkanyfail >5 - | checknil TMP1 - | checkok >4 // Key found, but nil value? - |2: - | andi. TMP0, TMP3, LJ_GC_BLACK // isblack(table) - | evstdd SAVE0, NODE:TMP2->val - | bne >7 - |3: - | ins_next - | - |4: // Check for __newindex if previous value is nil. - | lwz TAB:TMP1, TAB:RB->metatable - | cmplwi TAB:TMP1, 0 - | beq <2 // No metatable: done. - | lbz TMP0, TAB:TMP1->nomm - | andi. TMP0, TMP0, 1<vmeta_tsets - | - |5: // Follow hash chain. - | lwz NODE:TMP2, NODE:TMP2->next - | cmplwi NODE:TMP2, 0 - | bne <1 - | // End of hash chain: key not found, add a new one. - | - | // But check for __newindex first. - | lwz TAB:TMP1, TAB:RB->metatable - | la CARG3, DISPATCH_GL(tmptv)(DISPATCH) - | stw PC, SAVE_PC - | mr CARG1, L - | cmplwi TAB:TMP1, 0 - | stw BASE, L->base - | beq >6 // No metatable: continue. - | lbz TMP0, TAB:TMP1->nomm - | andi. TMP0, TMP0, 1<vmeta_tsets // 'no __newindex' flag NOT set: check. - |6: - | mr CARG2, TAB:RB - | evstdd STR:RC, 0(CARG3) - | bl extern lj_tab_newkey // (lua_State *L, GCtab *t, TValue *k) - | // Returns TValue *. - | lwz BASE, L->base - | evstdd SAVE0, 0(CRET1) - | b <3 // No 2nd write barrier needed. - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:RB, TMP3, TMP0 - | b <3 - break; - case BC_TSETB: - | // RA = src*8, RB = table*8, RC = index*8 - | evlddx TAB:RB, BASE, RB - | srwi TMP0, RC, 3 - | checktab TAB:RB - | checkfail ->vmeta_tsetb - | lwz TMP1, TAB:RB->asize - | lwz TMP2, TAB:RB->array - | lbz TMP3, TAB:RB->marked - | cmplw TMP0, TMP1 - | evlddx SAVE0, BASE, RA - | bge ->vmeta_tsetb - | evlddx TMP1, TMP2, RC - | checknil TMP1 - | checkok >5 - |1: - | andi. TMP0, TMP3, LJ_GC_BLACK // isblack(table) - | evstddx SAVE0, TMP2, RC - | bne >7 - |2: - | ins_next - | - |5: // Check for __newindex if previous value is nil. - | lwz TAB:TMP1, TAB:RB->metatable - | cmplwi TAB:TMP1, 0 - | beq <1 // No metatable: done. - | lbz TMP1, TAB:TMP1->nomm - | andi. TMP1, TMP1, 1<vmeta_tsetb // Caveat: preserve TMP0! - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:RB, TMP3, TMP0 - | b <2 - break; - - case BC_TSETM: - | // RA = base*8 (table at base-1), RD = num_const*8 (start index) - | add RA, BASE, RA - |1: - | add TMP3, KBASE, RD - | lwz TAB:CARG2, -4(RA) // Guaranteed to be a table. - | addic. TMP0, MULTRES, -8 - | lwz TMP3, 4(TMP3) // Integer constant is in lo-word. - | srwi CARG3, TMP0, 3 - | beq >4 // Nothing to copy? - | add CARG3, CARG3, TMP3 - | lwz TMP2, TAB:CARG2->asize - | slwi TMP1, TMP3, 3 - | lbz TMP3, TAB:CARG2->marked - | cmplw CARG3, TMP2 - | add TMP2, RA, TMP0 - | lwz TMP0, TAB:CARG2->array - | bgt >5 - | add TMP1, TMP1, TMP0 - | andi. TMP0, TMP3, LJ_GC_BLACK // isblack(table) - |3: // Copy result slots to table. - | evldd TMP0, 0(RA) - | addi RA, RA, 8 - | cmpw cr1, RA, TMP2 - | evstdd TMP0, 0(TMP1) - | addi TMP1, TMP1, 8 - | blt cr1, <3 - | bne >7 - |4: - | ins_next - | - |5: // Need to resize array part. - | stw BASE, L->base - | mr CARG1, L - | stw PC, SAVE_PC - | mr SAVE0, RD - | bl extern lj_tab_reasize // (lua_State *L, GCtab *t, int nasize) - | // Must not reallocate the stack. - | mr RD, SAVE0 - | b <1 - | - |7: // Possible table write barrier for any value. Skip valiswhite check. - | barrierback TAB:CARG2, TMP3, TMP0 - | b <4 - break; - - /* -- Calls and vararg handling ----------------------------------------- */ - - case BC_CALLM: - | // RA = base*8, (RB = (nresults+1)*8,) RC = extra_nargs*8 - | add NARGS8:RC, NARGS8:RC, MULTRES - | // Fall through. Assumes BC_CALL follows. - break; - case BC_CALL: - | // RA = base*8, (RB = (nresults+1)*8,) RC = (nargs+1)*8 - | evlddx LFUNC:RB, BASE, RA - | mr TMP2, BASE - | add BASE, BASE, RA - | subi NARGS8:RC, NARGS8:RC, 8 - | checkfunc LFUNC:RB - | addi BASE, BASE, 8 - | checkfail ->vmeta_call - | ins_call - break; - - case BC_CALLMT: - | // RA = base*8, (RB = 0,) RC = extra_nargs*8 - | add NARGS8:RC, NARGS8:RC, MULTRES - | // Fall through. Assumes BC_CALLT follows. - break; - case BC_CALLT: - | // RA = base*8, (RB = 0,) RC = (nargs+1)*8 - | evlddx LFUNC:RB, BASE, RA - | add RA, BASE, RA - | lwz TMP1, FRAME_PC(BASE) - | subi NARGS8:RC, NARGS8:RC, 8 - | checkfunc LFUNC:RB - | addi RA, RA, 8 - | checkfail ->vmeta_callt - |->BC_CALLT_Z: - | andi. TMP0, TMP1, FRAME_TYPE // Caveat: preserve cr0 until the crand. - | lbz TMP3, LFUNC:RB->ffid - | xori TMP2, TMP1, FRAME_VARG - | cmplwi cr1, NARGS8:RC, 0 - | bne >7 - |1: - | stw LFUNC:RB, FRAME_FUNC(BASE) // Copy function down, but keep PC. - | li TMP2, 0 - | cmplwi cr7, TMP3, 1 // (> FF_C) Calling a fast function? - | beq cr1, >3 - |2: - | addi TMP3, TMP2, 8 - | evlddx TMP0, RA, TMP2 - | cmplw cr1, TMP3, NARGS8:RC - | evstddx TMP0, BASE, TMP2 - | mr TMP2, TMP3 - | bne cr1, <2 - |3: - | crand 4*cr0+eq, 4*cr0+eq, 4*cr7+gt - | beq >5 - |4: - | ins_callt - | - |5: // Tailcall to a fast function with a Lua frame below. - | lwz INS, -4(TMP1) - | decode_RA8 RA, INS - | sub TMP1, BASE, RA - | lwz LFUNC:TMP1, FRAME_FUNC-8(TMP1) - | lwz TMP1, LFUNC:TMP1->pc - | lwz KBASE, PC2PROTO(k)(TMP1) // Need to prepare KBASE. - | b <4 - | - |7: // Tailcall from a vararg function. - | andi. TMP0, TMP2, FRAME_TYPEP - | bne <1 // Vararg frame below? - | sub BASE, BASE, TMP2 // Relocate BASE down. - | lwz TMP1, FRAME_PC(BASE) - | andi. TMP0, TMP1, FRAME_TYPE - | b <1 - break; - - case BC_ITERC: - | // RA = base*8, (RB = (nresults+1)*8, RC = (nargs+1)*8 ((2+1)*8)) - | subi RA, RA, 24 // evldd doesn't support neg. offsets. - | mr TMP2, BASE - | evlddx LFUNC:RB, BASE, RA - | add BASE, BASE, RA - | evldd TMP0, 8(BASE) - | evldd TMP1, 16(BASE) - | evstdd LFUNC:RB, 24(BASE) // Copy callable. - | checkfunc LFUNC:RB - | evstdd TMP0, 32(BASE) // Copy state. - | li NARGS8:RC, 16 // Iterators get 2 arguments. - | evstdd TMP1, 40(BASE) // Copy control var. - | addi BASE, BASE, 32 - | checkfail ->vmeta_call - | ins_call - break; - - case BC_ITERN: - | // RA = base*8, (RB = (nresults+1)*8, RC = (nargs+1)*8 (2+1)*8) -#if LJ_HASJIT - | // NYI: add hotloop, record BC_ITERN. -#endif - | add RA, BASE, RA - | lwz TAB:RB, -12(RA) - | lwz RC, -4(RA) // Get index from control var. - | lwz TMP0, TAB:RB->asize - | lwz TMP1, TAB:RB->array - | addi PC, PC, 4 - |1: // Traverse array part. - | cmplw RC, TMP0 - | slwi TMP3, RC, 3 - | bge >5 // Index points after array part? - | evlddx TMP2, TMP1, TMP3 - | checknil TMP2 - | lwz INS, -4(PC) - | checkok >4 - | efdcfsi TMP0, RC - | addi RC, RC, 1 - | addis TMP3, PC, -(BCBIAS_J*4 >> 16) - | evstdd TMP2, 8(RA) - | decode_RD4 TMP1, INS - | stw RC, -4(RA) // Update control var. - | add PC, TMP1, TMP3 - | evstdd TMP0, 0(RA) - |3: - | ins_next - | - |4: // Skip holes in array part. - | addi RC, RC, 1 - | b <1 - | - |5: // Traverse hash part. - | lwz TMP1, TAB:RB->hmask - | sub RC, RC, TMP0 - | lwz TMP2, TAB:RB->node - |6: - | cmplw RC, TMP1 // End of iteration? Branch to ITERL+1. - | slwi TMP3, RC, 5 - | bgt <3 - | slwi RB, RC, 3 - | sub TMP3, TMP3, RB - | evlddx RB, TMP2, TMP3 - | add NODE:TMP3, TMP2, TMP3 - | checknil RB - | lwz INS, -4(PC) - | checkok >7 - | evldd TMP3, NODE:TMP3->key - | addis TMP2, PC, -(BCBIAS_J*4 >> 16) - | evstdd RB, 8(RA) - | add RC, RC, TMP0 - | decode_RD4 TMP1, INS - | evstdd TMP3, 0(RA) - | addi RC, RC, 1 - | add PC, TMP1, TMP2 - | stw RC, -4(RA) // Update control var. - | b <3 - | - |7: // Skip holes in hash part. - | addi RC, RC, 1 - | b <6 - break; - - case BC_ISNEXT: - | // RA = base*8, RD = target (points to ITERN) - | add RA, BASE, RA - | li TMP2, -24 - | evlddx CFUNC:TMP1, RA, TMP2 - | lwz TMP2, -16(RA) - | lwz TMP3, -8(RA) - | evmergehi TMP0, CFUNC:TMP1, CFUNC:TMP1 - | cmpwi cr0, TMP2, LJ_TTAB - | cmpwi cr1, TMP0, LJ_TFUNC - | cmpwi cr6, TMP3, LJ_TNIL - | bne cr1, >5 - | lbz TMP1, CFUNC:TMP1->ffid - | crand 4*cr0+eq, 4*cr0+eq, 4*cr6+eq - | cmpwi cr7, TMP1, FF_next_N - | srwi TMP0, RD, 1 - | crand 4*cr0+eq, 4*cr0+eq, 4*cr7+eq - | add TMP3, PC, TMP0 - | bne cr0, >5 - | stw ZERO, -4(RA) // Initialize control var. - | addis PC, TMP3, -(BCBIAS_J*4 >> 16) - |1: - | ins_next - |5: // Despecialize bytecode if any of the checks fail. - | li TMP0, BC_JMP - | li TMP1, BC_ITERC - | stb TMP0, -1(PC) - | addis PC, TMP3, -(BCBIAS_J*4 >> 16) - | stb TMP1, 3(PC) - | b <1 - break; - - case BC_VARG: - | // RA = base*8, RB = (nresults+1)*8, RC = numparams*8 - | lwz TMP0, FRAME_PC(BASE) - | add RC, BASE, RC - | add RA, BASE, RA - | addi RC, RC, FRAME_VARG - | add TMP2, RA, RB - | subi TMP3, BASE, 8 // TMP3 = vtop - | sub RC, RC, TMP0 // RC = vbase - | // Note: RC may now be even _above_ BASE if nargs was < numparams. - | cmplwi cr1, RB, 0 - | sub. TMP1, TMP3, RC - | beq cr1, >5 // Copy all varargs? - | subi TMP2, TMP2, 16 - | ble >2 // No vararg slots? - |1: // Copy vararg slots to destination slots. - | evldd TMP0, 0(RC) - | addi RC, RC, 8 - | evstdd TMP0, 0(RA) - | cmplw RA, TMP2 - | cmplw cr1, RC, TMP3 - | bge >3 // All destination slots filled? - | addi RA, RA, 8 - | blt cr1, <1 // More vararg slots? - |2: // Fill up remainder with nil. - | evstdd TISNIL, 0(RA) - | cmplw RA, TMP2 - | addi RA, RA, 8 - | blt <2 - |3: - | ins_next - | - |5: // Copy all varargs. - | lwz TMP0, L->maxstack - | li MULTRES, 8 // MULTRES = (0+1)*8 - | ble <3 // No vararg slots? - | add TMP2, RA, TMP1 - | cmplw TMP2, TMP0 - | addi MULTRES, TMP1, 8 - | bgt >7 - |6: - | evldd TMP0, 0(RC) - | addi RC, RC, 8 - | evstdd TMP0, 0(RA) - | cmplw RC, TMP3 - | addi RA, RA, 8 - | blt <6 // More vararg slots? - | b <3 - | - |7: // Grow stack for varargs. - | mr CARG1, L - | stw RA, L->top - | sub SAVE0, RC, BASE // Need delta, because BASE may change. - | stw BASE, L->base - | sub RA, RA, BASE - | stw PC, SAVE_PC - | srwi CARG2, TMP1, 3 - | bl extern lj_state_growstack // (lua_State *L, int n) - | lwz BASE, L->base - | add RA, BASE, RA - | add RC, BASE, SAVE0 - | subi TMP3, BASE, 8 - | b <6 - break; - - /* -- Returns ----------------------------------------------------------- */ - - case BC_RETM: - | // RA = results*8, RD = extra_nresults*8 - | add RD, RD, MULTRES // MULTRES >= 8, so RD >= 8. - | // Fall through. Assumes BC_RET follows. - break; - - case BC_RET: - | // RA = results*8, RD = (nresults+1)*8 - | lwz PC, FRAME_PC(BASE) - | add RA, BASE, RA - | mr MULTRES, RD - |1: - | andi. TMP0, PC, FRAME_TYPE - | xori TMP1, PC, FRAME_VARG - | bne ->BC_RETV_Z - | - |->BC_RET_Z: - | // BASE = base, RA = resultptr, RD = (nresults+1)*8, PC = return - | lwz INS, -4(PC) - | cmpwi RD, 8 - | subi TMP2, BASE, 8 - | subi RC, RD, 8 - | decode_RB8 RB, INS - | beq >3 - | li TMP1, 0 - |2: - | addi TMP3, TMP1, 8 - | evlddx TMP0, RA, TMP1 - | cmpw TMP3, RC - | evstddx TMP0, TMP2, TMP1 - | beq >3 - | addi TMP1, TMP3, 8 - | evlddx TMP0, RA, TMP3 - | cmpw TMP1, RC - | evstddx TMP0, TMP2, TMP3 - | bne <2 - |3: - |5: - | cmplw RB, RD - | decode_RA8 RA, INS - | bgt >6 - | sub BASE, TMP2, RA - | lwz LFUNC:TMP1, FRAME_FUNC(BASE) - | ins_next1 - | lwz TMP1, LFUNC:TMP1->pc - | lwz KBASE, PC2PROTO(k)(TMP1) - | ins_next2 - | - |6: // Fill up results with nil. - | subi TMP1, RD, 8 - | addi RD, RD, 8 - | evstddx TISNIL, TMP2, TMP1 - | b <5 - | - |->BC_RETV_Z: // Non-standard return case. - | andi. TMP2, TMP1, FRAME_TYPEP - | bne ->vm_return - | // Return from vararg function: relocate BASE down. - | sub BASE, BASE, TMP1 - | lwz PC, FRAME_PC(BASE) - | b <1 - break; - - case BC_RET0: case BC_RET1: - | // RA = results*8, RD = (nresults+1)*8 - | lwz PC, FRAME_PC(BASE) - | add RA, BASE, RA - | mr MULTRES, RD - | andi. TMP0, PC, FRAME_TYPE - | xori TMP1, PC, FRAME_VARG - | bne ->BC_RETV_Z - | - | lwz INS, -4(PC) - | subi TMP2, BASE, 8 - | decode_RB8 RB, INS - if (op == BC_RET1) { - | evldd TMP0, 0(RA) - | evstdd TMP0, 0(TMP2) - } - |5: - | cmplw RB, RD - | decode_RA8 RA, INS - | bgt >6 - | sub BASE, TMP2, RA - | lwz LFUNC:TMP1, FRAME_FUNC(BASE) - | ins_next1 - | lwz TMP1, LFUNC:TMP1->pc - | lwz KBASE, PC2PROTO(k)(TMP1) - | ins_next2 - | - |6: // Fill up results with nil. - | subi TMP1, RD, 8 - | addi RD, RD, 8 - | evstddx TISNIL, TMP2, TMP1 - | b <5 - break; - - /* -- Loops and branches ------------------------------------------------ */ - - case BC_FORL: -#if LJ_HASJIT - | hotloop -#endif - | // Fall through. Assumes BC_IFORL follows. - break; - - case BC_JFORI: - case BC_JFORL: -#if !LJ_HASJIT - break; -#endif - case BC_FORI: - case BC_IFORL: - | // RA = base*8, RD = target (after end of loop or start of loop) - vk = (op == BC_IFORL || op == BC_JFORL); - | add RA, BASE, RA - | evldd TMP1, FORL_IDX*8(RA) - | evldd TMP3, FORL_STEP*8(RA) - | evldd TMP2, FORL_STOP*8(RA) - if (!vk) { - | evcmpgtu cr0, TMP1, TISNUM - | evcmpgtu cr7, TMP3, TISNUM - | evcmpgtu cr1, TMP2, TISNUM - | cror 4*cr0+lt, 4*cr0+lt, 4*cr7+lt - | cror 4*cr0+lt, 4*cr0+lt, 4*cr1+lt - | blt ->vmeta_for - } - if (vk) { - | efdadd TMP1, TMP1, TMP3 - | evstdd TMP1, FORL_IDX*8(RA) - } - | evcmpgts TMP3, TISNIL - | evstdd TMP1, FORL_EXT*8(RA) - | bge >2 - | efdcmpgt TMP1, TMP2 - |1: - if (op != BC_JFORL) { - | srwi RD, RD, 1 - | add RD, PC, RD - if (op == BC_JFORI) { - | addis PC, RD, -(BCBIAS_J*4 >> 16) - } else { - | addis RD, RD, -(BCBIAS_J*4 >> 16) - } - } - if (op == BC_FORI) { - | iselgt PC, RD, PC - } else if (op == BC_IFORL) { - | iselgt PC, PC, RD - } else { - | ble =>BC_JLOOP - } - | ins_next - |2: - | efdcmpgt TMP2, TMP1 - | b <1 - break; - - case BC_ITERL: -#if LJ_HASJIT - | hotloop -#endif - | // Fall through. Assumes BC_IITERL follows. - break; - - case BC_JITERL: -#if !LJ_HASJIT - break; -#endif - case BC_IITERL: - | // RA = base*8, RD = target - | evlddx TMP1, BASE, RA - | subi RA, RA, 8 - | checknil TMP1 - | checkok >1 // Stop if iterator returned nil. - if (op == BC_JITERL) { - | NYI - } else { - | branch_RD // Otherwise save control var + branch. - | evstddx TMP1, BASE, RA - } - |1: - | ins_next - break; - - case BC_LOOP: - | // RA = base*8, RD = target (loop extent) - | // Note: RA/RD is only used by trace recorder to determine scope/extent - | // This opcode does NOT jump, it's only purpose is to detect a hot loop. -#if LJ_HASJIT - | hotloop -#endif - | // Fall through. Assumes BC_ILOOP follows. - break; - - case BC_ILOOP: - | // RA = base*8, RD = target (loop extent) - | ins_next - break; - - case BC_JLOOP: -#if LJ_HASJIT - | NYI -#endif - break; - - case BC_JMP: - | // RA = base*8 (only used by trace recorder), RD = target - | branch_RD - | ins_next - break; - - /* -- Function headers -------------------------------------------------- */ - - case BC_FUNCF: -#if LJ_HASJIT - | hotcall -#endif - case BC_FUNCV: /* NYI: compiled vararg functions. */ - | // Fall through. Assumes BC_IFUNCF/BC_IFUNCV follow. - break; - - case BC_JFUNCF: -#if !LJ_HASJIT - break; -#endif - case BC_IFUNCF: - | // BASE = new base, RA = BASE+framesize*8, RB = LFUNC, RC = nargs*8 - | lwz TMP2, L->maxstack - | lbz TMP1, -4+PC2PROTO(numparams)(PC) - | lwz KBASE, -4+PC2PROTO(k)(PC) - | cmplw RA, TMP2 - | slwi TMP1, TMP1, 3 - | bgt ->vm_growstack_l - | ins_next1 - |2: - | cmplw NARGS8:RC, TMP1 // Check for missing parameters. - | ble >3 - if (op == BC_JFUNCF) { - | NYI - } else { - | ins_next2 - } - | - |3: // Clear missing parameters. - | evstddx TISNIL, BASE, NARGS8:RC - | addi NARGS8:RC, NARGS8:RC, 8 - | b <2 - break; - - case BC_JFUNCV: -#if !LJ_HASJIT - break; -#endif - | NYI // NYI: compiled vararg functions - break; /* NYI: compiled vararg functions. */ - - case BC_IFUNCV: - | // BASE = new base, RA = BASE+framesize*8, RB = LFUNC, RC = nargs*8 - | lwz TMP2, L->maxstack - | add TMP1, BASE, RC - | add TMP0, RA, RC - | stw LFUNC:RB, 4(TMP1) // Store copy of LFUNC. - | addi TMP3, RC, 8+FRAME_VARG - | lwz KBASE, -4+PC2PROTO(k)(PC) - | cmplw TMP0, TMP2 - | stw TMP3, 0(TMP1) // Store delta + FRAME_VARG. - | bge ->vm_growstack_l - | lbz TMP2, -4+PC2PROTO(numparams)(PC) - | mr RA, BASE - | mr RC, TMP1 - | ins_next1 - | cmpwi TMP2, 0 - | addi BASE, TMP1, 8 - | beq >3 - |1: - | cmplw RA, RC // Less args than parameters? - | evldd TMP0, 0(RA) - | bge >4 - | evstdd TISNIL, 0(RA) // Clear old fixarg slot (help the GC). - | addi RA, RA, 8 - |2: - | addic. TMP2, TMP2, -1 - | evstdd TMP0, 8(TMP1) - | addi TMP1, TMP1, 8 - | bne <1 - |3: - | ins_next2 - | - |4: // Clear missing parameters. - | evmr TMP0, TISNIL - | b <2 - break; - - case BC_FUNCC: - case BC_FUNCCW: - | // BASE = new base, RA = BASE+framesize*8, RB = CFUNC, RC = nargs*8 - if (op == BC_FUNCC) { - | lwz TMP3, CFUNC:RB->f - } else { - | lwz TMP3, DISPATCH_GL(wrapf)(DISPATCH) - } - | add TMP1, RA, NARGS8:RC - | lwz TMP2, L->maxstack - | add RC, BASE, NARGS8:RC - | stw BASE, L->base - | cmplw TMP1, TMP2 - | stw RC, L->top - | li_vmstate C - | mtctr TMP3 - if (op == BC_FUNCCW) { - | lwz CARG2, CFUNC:RB->f - } - | mr CARG1, L - | bgt ->vm_growstack_c // Need to grow stack. - | st_vmstate - | bctrl // (lua_State *L [, lua_CFunction f]) - | // Returns nresults. - | lwz TMP1, L->top - | slwi RD, CRET1, 3 - | lwz BASE, L->base - | li_vmstate INTERP - | lwz PC, FRAME_PC(BASE) // Fetch PC of caller. - | sub RA, TMP1, RD // RA = L->top - nresults*8 - | st_vmstate - | b ->vm_returnc - break; - - /* ---------------------------------------------------------------------- */ - - default: - fprintf(stderr, "Error: undefined opcode BC_%s\n", bc_names[op]); - exit(2); - break; - } -} - -static int build_backend(BuildCtx *ctx) -{ - int op; - - dasm_growpc(Dst, BC__MAX); - - build_subroutines(ctx); - - |.code_op - for (op = 0; op < BC__MAX; op++) - build_ins(ctx, (BCOp)op, op); - - return BC__MAX; -} - -/* Emit pseudo frame-info for all assembler functions. */ -static void emit_asm_debug(BuildCtx *ctx) -{ - int i; - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, "\t.section .debug_frame,\"\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe0:\n" - "\t.long .LECIE0-.LSCIE0\n" - ".LSCIE0:\n" - "\t.long 0xffffffff\n" - "\t.byte 0x1\n" - "\t.string \"\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 65\n" - "\t.byte 0xc\n\t.uleb128 1\n\t.uleb128 0\n" - "\t.align 2\n" - ".LECIE0:\n\n"); - fprintf(ctx->fp, - ".LSFDE0:\n" - "\t.long .LEFDE0-.LASFDE0\n" - ".LASFDE0:\n" - "\t.long .Lframe0\n" - "\t.long .Lbegin\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x5\n\t.uleb128 70\n\t.sleb128 37\n", - (int)ctx->codesz, CFRAME_SIZE); - for (i = 14; i <= 31; i++) - fprintf(ctx->fp, - "\t.byte %d\n\t.uleb128 %d\n" - "\t.byte 5\n\t.uleb128 %d\n\t.uleb128 %d\n", - 0x80+i, 1+2*(31-i), 1200+i, 2+2*(31-i)); - fprintf(ctx->fp, - "\t.align 2\n" - ".LEFDE0:\n\n"); - fprintf(ctx->fp, "\t.section .eh_frame,\"a\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe1:\n" - "\t.long .LECIE1-.LSCIE1\n" - ".LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zPR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 65\n" - "\t.uleb128 6\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.long lj_err_unwind_dwarf-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 1\n\t.uleb128 0\n" - "\t.align 2\n" - ".LECIE1:\n\n"); - fprintf(ctx->fp, - ".LSFDE1:\n" - "\t.long .LEFDE1-.LASFDE1\n" - ".LASFDE1:\n" - "\t.long .LASFDE1-.Lframe1\n" - "\t.long .Lbegin-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x5\n\t.uleb128 70\n\t.sleb128 37\n", - (int)ctx->codesz, CFRAME_SIZE); - for (i = 14; i <= 31; i++) - fprintf(ctx->fp, - "\t.byte %d\n\t.uleb128 %d\n" - "\t.byte 5\n\t.uleb128 %d\n\t.uleb128 %d\n", - 0x80+i, 1+2*(31-i), 1200+i, 2+2*(31-i)); - fprintf(ctx->fp, - "\t.align 2\n" - ".LEFDE1:\n\n"); - break; - default: - break; - } -} - diff --git a/libraries/luajit-2.0/src/buildvm_ppcspe.h b/libraries/luajit-2.0/src/buildvm_ppcspe.h deleted file mode 100644 index 32571eb..0000000 --- a/libraries/luajit-2.0/src/buildvm_ppcspe.h +++ /dev/null @@ -1,6093 +0,0 @@ -/* -** This file has been pre-processed with DynASM. -** http://luajit.org/dynasm.html -** DynASM version 1.3.0, DynASM ppc version 1.3.0 -** DO NOT EDIT! The original file is in "buildvm_ppcspe.dasc". -*/ - -#if DASM_VERSION != 10300 -#error "Version mismatch between DynASM and included encoding engine" -#endif - -#define DASM_SECTION_CODE_OP 0 -#define DASM_SECTION_CODE_SUB 1 -#define DASM_MAXSECTION 2 -static const unsigned int build_actionlist[4995] = { -0x00010001, -0x00060014, -0x72000000, -0x00090200, -0x11000229, -0x000980b0, -0x41820000, -0x00050815, -0x8209fff8, -0x7d2e4b78, -0x9514fff8, -0x00060016, -0x72000000, -0x00090200, -0x398c0008, -0x7d936378, -0x41820000, -0x00050817, -0x00060018, -0x2c000000, -0x00098200, -0x56090038, -0x38000000, -0x00098200, -0x7d297050, -0x40820000, -0x00050814, -0x350cfff8, -0x91320000, -0x00098200, -0x81210018, -0x39cefff8, -0x90110000, -0x00098200, -0x55291800, -0x000900a1, -0x41820000, -0x00050802, -0x0006000b, -0x3508fff8, -0x10140301, -0x3a940008, -0x100e0321, -0x39ce0008, -0x40820000, -0x0005080b, -0x0006000c, -0x7c096000, -0x40820000, -0x00050806, -0x0006000d, -0x91d20000, -0x00098200, -0x00060019, -0x00000000, -0x80010014, -0x38600000, -0x90120000, -0x00098200, -0x0006001a, -0x800100bc, -0x81810024, -0x11c12b01, -0x11e13301, -0x12013b01, -0x12214301, -0x12414b01, -0x12615301, -0x7c0803a6, -0x7d838120, -0x12815b01, -0x12a16301, -0x12c16b01, -0x12e17301, -0x13017b01, -0x13218301, -0x13418b01, -0x13619301, -0x13819b01, -0x13a1a301, -0x13c1ab01, -0x13e1b301, -0x382100b8, -0x4e800020, -0x00060010, -0x40810000, -0x00050807, -0x81120000, -0x00098200, -0x7c0e4040, -0x40800000, -0x00050808, -0x134e0321, -0x398c0008, -0x39ce0008, -0x48000000, -0x0005000c, -0x00060011, -0x7c096050, -0x2c090000, -0x7c007050, -0x7dce009e, -0x48000000, -0x0005000d, -0x00060012, -0x91d20000, -0x00098200, -0x7d956378, -0x7d244b78, -0x7e439378, -0x48000001, -0x00030000, -0x81210018, -0x7eacab78, -0x55291800, -0x000900a1, -0x81d20000, -0x00098200, -0x48000000, -0x0005000c, -0x0006001b, -0x7c611b78, -0x7c832378, -0x0006001c, -0x82410010, -0x38000000, -0x00098200, -0x81120000, -0x00098200, -0x90080000, -0x00098200, -0x48000000, -0x0005001a, -0x0006001d, -0x00000000, -0x5461003a, -0x0006001e, -0x82410010, -0x12c00229, -0x000980b0, -0x13200229, -0x000980b0, -0x3f604338, -0x13000229, -0x000980b0, -0x38000000, -0x81d20000, -0x00098200, -0x137b022d, -0x82320000, -0x00098200, -0x12e00229, -0x000980b0, -0x39000000, -0x00098200, -0x13400229, -0x000980b0, -0x38000000, -0x00098200, -0x820efff8, -0x3a8efff8, -0x3a310000, -0x00098200, -0x91140000, -0x39800010, -0x90110000, -0x00098200, -0x48000000, -0x00050016, -0x0006001f, -0x38800000, -0x00098200, -0x48000000, -0x00050002, -0x00060020, -0x7d6e5a14, -0x7e8ea050, -0x91d20000, -0x00098200, -0x3a100004, -0x91720000, -0x00098200, -0x568400fe, -0x000900ab, -0x0006000c, -0x9201000c, -0x7e439378, -0x48000001, -0x00030000, -0x00000000, -0x81d20000, -0x00098200, -0x81720000, -0x00098200, -0x814efffc, -0x7d6e5850, -0x820a0000, -0x00098200, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54f4dd78, -0x7c11402e, -0x7e947214, -0x7c0903a6, -0x4e800420, -0x00060021, -0x9421ff48, -0x11c12b21, -0x11e13321, -0x12013b21, -0x12214321, -0x12414b21, -0x12615321, -0x7c0802a6, -0x7d800026, -0x12815b21, -0x12a16321, -0x12c16b21, -0x12e17321, -0x13017b21, -0x13218321, -0x900100bc, -0x91810024, -0x13418b21, -0x13619321, -0x13819b21, -0x13a1a321, -0x13c1ab21, -0x13e1b321, -0x7c721b78, -0x82320000, -0x00098200, -0x7c8e2378, -0x89120000, -0x00098200, -0x92410010, -0x3a000000, -0x00098200, -0x38010000, -0x00098200, -0x3a310000, -0x00098200, -0x90a10018, -0x28080000, -0x90a1001c, -0x90120000, -0x00098200, -0x90a10014, -0x9061000c, -0x41820000, -0x00050803, -0x7dd47378, -0x81d20000, -0x00098200, -0x12c00229, -0x000980b0, -0x81120000, -0x00098200, -0x13200229, -0x000980b0, -0x3f604338, -0x13000229, -0x000980b0, -0x820efff8, -0x39200000, -0x12e00229, -0x000980b0, -0x7d8e4050, -0x137b4a2d, -0x98b20000, -0x00098200, -0x72000000, -0x00090200, -0x38000000, -0x00098200, -0x398c0008, -0x13400229, -0x000980b0, -0x7d936378, -0x90110000, -0x00098200, -0x00000000, -0x41820000, -0x00050817, -0x48000000, -0x00050018, -0x00060022, -0x9421ff48, -0x11c12b21, -0x11e13321, -0x12013b21, -0x12214321, -0x12414b21, -0x12615321, -0x7c0802a6, -0x7d800026, -0x12815b21, -0x12a16321, -0x12c16b21, -0x12e17321, -0x13017b21, -0x13218321, -0x900100bc, -0x91810024, -0x13418b21, -0x13619321, -0x13819b21, -0x13a1a321, -0x13c1ab21, -0x13e1b321, -0x3a000000, -0x00098200, -0x90c1001c, -0x48000000, -0x00050001, -0x00060023, -0x9421ff48, -0x11c12b21, -0x11e13321, -0x12013b21, -0x12214321, -0x12414b21, -0x12615321, -0x7c0802a6, -0x7d800026, -0x12815b21, -0x12a16321, -0x12c16b21, -0x12e17321, -0x13017b21, -0x13218321, -0x900100bc, -0x91810024, -0x13418b21, -0x13619321, -0x13819b21, -0x13a1a321, -0x13c1ab21, -0x13e1b321, -0x3a000000, -0x00098200, -0x0006000b, -0x81030000, -0x00098200, -0x90a10018, -0x7c721b78, -0x90610010, -0x7c8e2378, -0x90320000, -0x00098200, -0x82320000, -0x00098200, -0x9061000c, -0x91010014, -0x3a310000, -0x00098200, -0x0006000d, -0x81320000, -0x00098200, -0x12c00229, -0x000980b0, -0x81120000, -0x00098200, -0x13200229, -0x000980b0, -0x7e107214, -0x13000229, -0x000980b0, -0x3f604338, -0x38000000, -0x7e098050, -0x12e00229, -0x000980b0, -0x7d6e4050, -0x137b022d, -0x38000000, -0x00098200, -0x13400229, -0x000980b0, -0x90110000, -0x00098200, -0x00060024, -0x00000000, -0x3800fff8, -0x114e0300, -0x100aca34, -0x40800000, -0x00050825, -0x00060026, -0x920efff8, -0x820a0000, -0x00098200, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54f4dd78, -0x7c11402e, -0x7e947214, -0x7c0903a6, -0x4e800420, -0x00060027, -0x9421ff48, -0x11c12b21, -0x11e13321, -0x12013b21, -0x12214321, -0x12414b21, -0x12615321, -0x7c0802a6, -0x7d800026, -0x12815b21, -0x12a16321, -0x12c16b21, -0x12e17321, -0x13017b21, -0x13218321, -0x900100bc, -0x91810024, -0x13418b21, -0x13619321, -0x13819b21, -0x13a1a321, -0x13c1ab21, -0x13e1b321, -0x7c721b78, -0x80030000, -0x00098200, -0x90610010, -0x81120000, -0x00098200, -0x9061000c, -0x7c080050, -0x81120000, -0x00098200, -0x90320000, -0x00098200, -0x39200000, -0x90010018, -0x9121001c, -0x91010014, -0x7cc903a6, -0x4e800421, -0x7c6e1b79, -0x82320000, -0x00098200, -0x3a000000, -0x00098200, -0x3a310000, -0x00098200, -0x40820000, -0x0005080d, -0x48000000, -0x00050019, -0x00060015, -0x800efff4, -0x7dca7378, -0x7d2e4b78, -0x8109fffc, -0x28000000, -0x820afff0, -0x41820000, -0x00050801, -0x392cfff8, -0x81080000, -0x00098200, -0x13544b20, -0x81e80000, -0x00098200, -0x7c0903a6, -0x4e800420, -0x0006000b, -0x390afff0, -0x7d6e4050, -0x48000000, -0x00050028, -0x00060029, -0x80f0fffc, -0x388afff0, -0x54f55d78, -0x10140301, -0x7d0eaa14, -0x91d20000, -0x00098200, -0x7c082040, -0x7ca82050, -0x54f4dd78, -0x10040321, -0x40820000, -0x0005082a, -0x00000000, -0x100ea320, -0x48000000, -0x0005002b, -0x0006002c, -0x11775a2d, -0x38b10000, -0x00098200, -0x54ea5d78, -0x11650321, -0x7c8e5214, -0x48000000, -0x00050001, -0x0006002d, -0x1158522d, -0x38910000, -0x00098200, -0x11775a2d, -0x11440321, -0x38b10000, -0x00098200, -0x11650321, -0x48000000, -0x00050001, -0x0006002e, 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-0x0006000b, -0x7ccf6214, -0x8094fffc, -0x3413fff8, -0x80c60004, -0x540500fe, -0x000900ab, -0x41820000, -0x00050804, -0x7ca53214, -0x81240000, -0x00098200, -0x54c81800, -0x000900a1, -0x88c40000, -0x00098200, -0x7c054840, -0x7d340214, -0x80040000, -0x00098200, -0x41810000, -0x00050805, -0x7d080214, -0x70c00000, -0x00090200, -0x0006000d, -0x10140301, -0x3a940008, -0x7c944800, -0x10080321, -0x39080008, -0x41840000, -0x0005080d, -0x40820000, -0x00050807, -0x0006000e, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x0006000f, -0x91d20000, -0x00098200, -0x7e439378, -0x9201000c, -0x7d956378, -0x48000001, -0x0003002e, -0x7eacab78, -0x48000000, -0x0005000b, -0x00060011, -0x80110000, -0x00098200, -0x54c607b8, -0x90910000, -0x00098200, -0x98c40000, -0x00098200, -0x90040000, -0x00098200, -0x00000000, -0x48000000, -0x0005000e, -0x00000000, -0x7d6b9a14, -0x00000000, -0x114ea300, -0x7dc97378, -0x7dcea214, -0x396bfff8, -0x100aca34, -0x39ce0008, -0x40800000, -0x00050825, -0x920efff8, -0x820a0000, -0x00098200, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54f4dd78, -0x7c11402e, -0x7e947214, -0x7c0903a6, -0x4e800420, -0x00000000, -0x7d6b9a14, -0x00000000, -0x114ea300, -0x7e8ea214, -0x810efff8, -0x396bfff8, -0x100aca34, -0x3a940008, -0x40800000, -0x00050840, -0x00060041, -0x71000000, -0x00090200, -0x88ca0000, -0x00098200, -0x69090000, -0x00090200, -0x288b0000, -0x40820000, -0x00050807, -0x0006000b, -0x914efffc, -0x39200000, -0x2b860001, -0x41860000, -0x00050803, -0x0006000c, -0x38c90008, -0x10144b00, -0x7c865840, -0x100e4b20, -0x7cc93378, -0x40860000, -0x0005080c, -0x0006000d, -0x4c42ea02, -0x41820000, -0x00050805, -0x0006000e, -0x820a0000, -0x00098200, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54f4dd78, -0x7c11402e, -0x7e947214, -0x7c0903a6, -0x4e800420, -0x0006000f, -0x80e8fffc, -0x54f4dd78, -0x7d147050, -0x81080000, -0x00098200, -0x81080000, -0x00098200, -0x81e80000, -0x00098200, -0x48000000, -0x0005000e, -0x00060011, -0x71200000, -0x00090200, -0x40820000, -0x0005080b, -0x00000000, -0x7dc97050, -0x810efff8, -0x71000000, -0x00090200, -0x48000000, -0x0005000b, -0x00000000, -0x3a94ffe8, -0x7dc97378, -0x114ea300, -0x7dcea214, -0x100e0b01, -0x110e1301, -0x114e1b21, -0x100aca34, -0x100e2321, -0x39600010, -0x110e2b21, -0x39ce0020, -0x40800000, -0x00050825, -0x920efff8, -0x820a0000, -0x00098200, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54f4dd78, -0x7c11402e, -0x7e947214, -0x7c0903a6, -0x4e800420, -0x00000000, -0x7e8ea214, -0x8154fff4, -0x8174fffc, -0x800a0000, -0x00098200, -0x810a0000, -0x00098200, -0x3a100004, -0x0006000b, -0x7c0b0040, -0x55661800, -0x000900a1, -0x40800000, -0x00050805, -0x11283300, -0x1009d234, -0x80f0fffc, -0x41800000, -0x00050804, -0x10005af1, -0x396b0001, -0x3cd00000, -0x00098200, -0x11340b21, -0x54e893ba, -0x9174fffc, -0x7e083214, -0x10140321, -0x0006000d, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x0006000e, -0x396b0001, -0x48000000, -0x0005000b, -0x0006000f, -0x810a0000, -0x00098200, -0x7d605850, -0x812a0000, -0x00098200, -0x00060010, -0x7c0b4040, -0x55662800, -0x000900a1, -0x41810000, -0x0005080d, -0x556a1800, -0x000900a1, -0x7cca3050, -0x11493300, -0x7cc93214, -0x100ad234, -0x80f0fffc, -0x41800000, -0x00050807, -0x10c60301, -0x00090cab, -0x3d300000, -0x00098200, -0x11540b21, -0x7d6b0214, -0x54e893ba, -0x10d40321, -0x396b0001, -0x7e084a14, -0x9174fffc, -0x48000000, -0x0005000d, -0x00060011, -0x00000000, -0x396b0001, -0x48000000, -0x00050010, -0x00000000, -0x7e8ea214, -0x3920ffe8, -0x11144b00, -0x8134fff0, -0x80d4fff8, -0x1008422c, -0x2c090000, -0x00098200, -0x2c800000, -0x00098200, -0x2f060000, -0x00098200, -0x40860000, -0x00050805, -0x89080000, -0x00098200, -0x4c42d202, -0x2f880000, -0x00098200, -0x5580007e, -0x000900ab, -0x4c42f202, -0x7cd00214, -0x40820000, -0x00050805, -0x9374fffc, -0x3e060000, -0x00098200, -0x0006000b, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x0006000f, -0x38000000, -0x00098200, -0x39000000, -0x00098200, -0x9810ffff, -0x3e060000, -0x00098200, -0x99100003, -0x48000000, -0x0005000b, -0x00000000, -0x800efff8, -0x7d6e5a14, -0x7e8ea214, -0x396b0000, -0x00098200, -0x7d345214, -0x38cefff8, -0x7d605850, -0x288a0000, -0x7d0b3051, -0x41860000, -0x00050805, -0x3929fff0, -0x40810000, -0x00050802, -0x0006000b, -0x100b0301, -0x396b0008, -0x10140321, -0x7c144840, -0x7c8b3040, -0x40800000, -0x00050803, -0x3a940008, -0x41840000, -0x0005080b, -0x0006000c, -0x13540321, -0x7c144840, -0x3a940008, -0x41800000, -0x0005080c, -0x0006000d, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x0006000f, -0x80120000, -0x00098200, -0x3a600008, -0x40810000, -0x0005080d, -0x7d344214, -0x7c090040, -0x3a680008, -0x41810000, -0x00050807, -0x00060010, -0x100b0301, -0x396b0008, -0x10140321, -0x7c0b3040, -0x3a940008, -0x41800000, -0x00050810, -0x48000000, -0x0005000d, -0x00060011, -0x7e439378, -0x92920000, -0x00098200, -0x7eae5850, -0x91d20000, -0x00098200, -0x7e8ea050, -0x9201000c, -0x550400fe, -0x000900ab, -0x48000001, -0x00030000, -0x81d20000, -0x00098200, -0x00000000, -0x7e8ea214, -0x7d6eaa14, -0x38cefff8, -0x48000000, -0x00050010, -0x00000000, -0x7d8c9a14, -0x00000000, -0x820efff8, -0x7e8ea214, -0x7d936378, -0x0006000b, -0x72000000, -0x00090200, -0x6a080000, -0x00090200, -0x40820000, -0x0005089d, -0x00060017, -0x80f0fffc, -0x2c0c0008, -0x392efff8, -0x396cfff8, -0x54ea5d78, -0x41820000, -0x00050803, -0x39000000, -0x0006000c, -0x38c80008, -0x10144300, -0x7c065800, -0x10094320, -0x41820000, -0x00050803, -0x39060008, -0x10143300, -0x7c085800, -0x10093320, -0x40820000, -0x0005080c, -0x0006000d, -0x0006000f, -0x7c0a6040, -0x54f4dd78, -0x41810000, -0x00050806, -0x7dd44850, -0x810efffc, -0x80f00000, -0x3a100004, -0x81080000, -0x00098200, -0x81e80000, -0x00098200, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x00060010, -0x390cfff8, -0x398c0008, -0x13494320, -0x48000000, -0x0005000f, -0x0006009d, -0x71090000, -0x00090200, -0x40820000, -0x00050818, -0x7dc87050, -0x820efff8, -0x48000000, -0x0005000b, -0x00000000, -0x820efff8, -0x7e8ea214, -0x7d936378, -0x72000000, -0x00090200, -0x6a080000, -0x00090200, -0x40820000, -0x0005089d, -0x80f0fffc, -0x392efff8, -0x54ea5d78, -0x00000000, -0x10140301, -0x10090321, -0x00000000, -0x0006000f, -0x7c0a6040, -0x54f4dd78, -0x41810000, -0x00050806, -0x7dd44850, -0x810efffc, -0x80f00000, -0x3a100004, -0x81080000, -0x00098200, -0x81e80000, -0x00098200, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x00060010, -0x390cfff8, -0x398c0008, -0x13494320, -0x48000000, -0x0005000f, -0x00000000, -0x7c810808, -0x00000000, -0x7e8ea214, -0x11140301, -0x00090cab, -0x10d40301, -0x00090cab, -0x11340301, -0x00090cab, -0x00000000, -0x1008b230, -0x1386b230, -0x1089b230, -0x4c00e382, -0x4c002382, -0x41800000, -0x00050842, -0x00000000, -0x110832e0, -0x11140321, -0x00090cab, -0x00000000, -0x1006d231, -0x11140321, -0x00090cab, -0x40800000, -0x00050802, -0x10084aec, -0x0006000b, -0x00000000, -0x558c007e, -0x000900ab, -0x7d906214, -0x00000000, -0x3e0c0000, -0x00098200, -0x00000000, -0x3d8c0000, -0x00098200, -0x00000000, -0x7e0c805e, -0x00000000, -0x7e10605e, -0x00000000, -0x40810000, -0x00070800, -0x00000000, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x0006000c, -0x100942ec, -0x48000000, -0x0005000b, -0x00000000, -0x7c810808, -0x00000000, -0x110ea300, -0x3a94fff8, -0x1008d234, -0x41800000, -0x00050801, -0x00000000, -0x7c810808, -0x00000000, -0x5580007e, -0x000900ab, -0x7e100214, -0x3e100000, -0x00098200, -0x110ea320, -0x00000000, -0x0006000b, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x00000000, -0x7c810808, -0x00000000, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x00000000, -0x7c810808, -0x00000000, -0x5580007e, -0x000900ab, -0x7e100214, -0x3e100000, -0x00098200, -0x80f00000, -0x3a100004, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x00000000, -0x7c810808, -0x00000000, -0x81320000, -0x00098200, -0x89100000, -0x00098200, -0x81f00000, -0x00098200, -0x7c144840, -0x55081800, -0x000900a1, -0x41810000, -0x00050820, -0x80f00000, -0x3a100004, -0x0006000c, -0x7c0b4040, -0x40810000, -0x00050803, -0x00000000, -0x7c810808, -0x00000000, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x00000000, -0x0006000d, -0x134e5b20, -0x396b0008, -0x48000000, -0x0005000c, -0x00000000, -0x7c810808, -0x00000000, -0x81320000, -0x00098200, -0x7d0e5a14, -0x7c145a14, -0x91480004, -0x38cb0000, -0x00098200, -0x81f00000, -0x00098200, -0x7c004840, -0x90c80000, -0x40800000, -0x00050820, -0x89300000, -0x00098200, -0x7dd47378, -0x7d0b4378, -0x80f00000, -0x3a100004, -0x2c090000, -0x39c80008, -0x41820000, -0x00050803, -0x0006000b, -0x7c145840, -0x10140301, -0x40800000, -0x00050804, -0x13540321, -0x3a940008, -0x0006000c, -0x3529ffff, -0x10080b21, -0x39080008, -0x40820000, -0x0005080b, -0x0006000d, -0x54e815ba, -0x54ea5d78, -0x54ec9b78, -0x7c11402e, -0x54f4dd78, -0x54eb9d78, -0x7c0903a6, -0x4e800420, -0x0006000e, -0x101ad217, -0x48000000, -0x0005000c, -0x00000000, -0x80ca0000, -0x00098200, -0x00000000, -0x80d10000, -0x00098200, -0x00000000, -0x7d145a14, -0x81320000, -0x00098200, -0x7d6e5a14, -0x91d20000, -0x00098200, -0x7c084840, -0x91720000, -0x00098200, -0x38000000, -0x00098200, -0x7cc903a6, -0x00000000, -0x808a0000, -0x00098200, -0x00000000, -0x7e439378, -0x41810000, -0x0005081f, -0x90110000, -0x00098200, -0x4e800421, -0x81120000, -0x00098200, -0x546c1800, -0x000900a1, -0x81d20000, -0x00098200, -0x38000000, -0x00098200, -0x820efff8, -0x7e8c4050, -0x90110000, -0x00098200, -0x48000000, -0x00050016, -0x00000000, -0x00010000 -}; - -enum { - GLOB_vm_returnp, - GLOB_cont_dispatch, - GLOB_vm_returnc, - GLOB_BC_RET_Z, - GLOB_vm_return, - GLOB_vm_leave_cp, - GLOB_vm_leave_unw, - GLOB_vm_unwind_c, - GLOB_vm_unwind_c_eh, - GLOB_vm_unwind_ff, - GLOB_vm_unwind_ff_eh, - GLOB_vm_growstack_c, - GLOB_vm_growstack_l, - GLOB_vm_resume, - GLOB_vm_pcall, - GLOB_vm_call, - GLOB_vm_call_dispatch, - GLOB_vmeta_call, - GLOB_vm_call_dispatch_f, - GLOB_vm_cpcall, - GLOB_vm_call_tail, - GLOB_cont_cat, - GLOB_BC_CAT_Z, - GLOB_cont_nop, - GLOB_vmeta_tgets1, - GLOB_vmeta_tgets, - GLOB_vmeta_tgetb, - GLOB_vmeta_tgetv, - GLOB_vmeta_tsets1, - GLOB_vmeta_tsets, - GLOB_vmeta_tsetb, - GLOB_vmeta_tsetv, - GLOB_vmeta_comp, - GLOB_vmeta_binop, - GLOB_cont_ra, - GLOB_cont_condt, - GLOB_cont_condf, - GLOB_vmeta_equal, - GLOB_vmeta_arith_vn, - GLOB_vmeta_arith_nv, - GLOB_vmeta_unm, - GLOB_vmeta_arith_vv, - GLOB_vmeta_len, - GLOB_BC_LEN_Z, - GLOB_vmeta_callt, - GLOB_BC_CALLT_Z, - GLOB_vmeta_for, - GLOB_ff_assert, - GLOB_fff_fallback, - GLOB_fff_res, - GLOB_ff_type, - GLOB_fff_restv, - GLOB_ff_getmetatable, - GLOB_ff_setmetatable, - GLOB_ff_rawget, - GLOB_ff_tonumber, - GLOB_ff_tostring, - GLOB_fff_gcstep, - GLOB_ff_next, - GLOB_ff_pairs, - GLOB_ff_ipairs_aux, - GLOB_ff_ipairs, - GLOB_ff_pcall, - GLOB_ff_xpcall, - GLOB_ff_coroutine_resume, - GLOB_ff_coroutine_wrap_aux, - GLOB_ff_coroutine_yield, - GLOB_ff_math_abs, - GLOB_fff_res1, - GLOB_ff_math_floor, - GLOB_vm_floor_hilo, - GLOB_ff_math_ceil, - GLOB_vm_ceil_hilo, - GLOB_ff_math_sqrt, - GLOB_ff_math_log, - GLOB_ff_math_log10, - GLOB_ff_math_exp, - GLOB_ff_math_sin, - GLOB_ff_math_cos, - GLOB_ff_math_tan, - GLOB_ff_math_asin, - GLOB_ff_math_acos, - GLOB_ff_math_atan, - GLOB_ff_math_sinh, - GLOB_ff_math_cosh, - GLOB_ff_math_tanh, - GLOB_ff_math_pow, - GLOB_ff_math_atan2, - GLOB_ff_math_fmod, - GLOB_ff_math_deg, - GLOB_ff_math_rad, - GLOB_ff_math_ldexp, - GLOB_ff_math_frexp, - GLOB_ff_math_modf, - GLOB_ff_math_min, - GLOB_ff_math_max, - GLOB_ff_string_len, - GLOB_ff_string_byte, - GLOB_ff_string_char, - GLOB_fff_newstr, - GLOB_ff_string_sub, - GLOB_ff_string_rep, - GLOB_ff_string_reverse, - GLOB_ff_string_lower, - GLOB_ff_string_upper, - GLOB_ff_table_getn, - GLOB_ff_bit_tobit, - GLOB_fff_resbit, - GLOB_ff_bit_band, - GLOB_ff_bit_bor, - GLOB_ff_bit_bxor, - GLOB_ff_bit_bswap, - GLOB_ff_bit_bnot, - GLOB_ff_bit_lshift, - GLOB_ff_bit_rshift, - GLOB_ff_bit_arshift, - GLOB_ff_bit_rol, - GLOB_ff_bit_ror, - GLOB_vm_record, - GLOB_vm_rethook, - GLOB_vm_inshook, - GLOB_cont_hook, - GLOB_vm_hotloop, - GLOB_vm_callhook, - GLOB_vm_hotcall, - GLOB_vm_exit_handler, - GLOB_vm_exit_interp, - GLOB_vm_floor, - GLOB_vm_floor_efd, - GLOB_vm_ceil_efd, - GLOB_vm_trunc_efd, - GLOB_vm_trunc_hilo, - GLOB_vm_foldarith, - GLOB_vm_ffi_call, - GLOB_BC_MODVN_Z, - GLOB_BC_TGETS_Z, - GLOB_BC_TSETS_Z, - GLOB_BC_RETV_Z, - GLOB__MAX -}; -static const char *const globnames[] = { - "vm_returnp", - "cont_dispatch", - "vm_returnc", - "BC_RET_Z", - "vm_return", - "vm_leave_cp", - "vm_leave_unw", - "vm_unwind_c", - "vm_unwind_c_eh", - "vm_unwind_ff", - "vm_unwind_ff_eh", - "vm_growstack_c", - "vm_growstack_l", - "vm_resume", - "vm_pcall", - "vm_call", - "vm_call_dispatch", - "vmeta_call", - "vm_call_dispatch_f", - "vm_cpcall", - "vm_call_tail", - "cont_cat", - "BC_CAT_Z", - "cont_nop", - "vmeta_tgets1", - "vmeta_tgets", - "vmeta_tgetb", - "vmeta_tgetv", - "vmeta_tsets1", - "vmeta_tsets", - "vmeta_tsetb", - "vmeta_tsetv", - "vmeta_comp", - "vmeta_binop", - "cont_ra", - "cont_condt", - "cont_condf", - "vmeta_equal", - "vmeta_arith_vn", - "vmeta_arith_nv", - "vmeta_unm", - "vmeta_arith_vv", - "vmeta_len", - "BC_LEN_Z", - "vmeta_callt", - "BC_CALLT_Z", - "vmeta_for", - "ff_assert", - "fff_fallback", - "fff_res", - "ff_type", - "fff_restv", - "ff_getmetatable", - "ff_setmetatable", - "ff_rawget", - "ff_tonumber", - "ff_tostring", - "fff_gcstep", - "ff_next", - "ff_pairs", - "ff_ipairs_aux", - "ff_ipairs", - "ff_pcall", - "ff_xpcall", - "ff_coroutine_resume", - "ff_coroutine_wrap_aux", - "ff_coroutine_yield", - "ff_math_abs", - "fff_res1", - "ff_math_floor", - "vm_floor_hilo", - "ff_math_ceil", - "vm_ceil_hilo", - "ff_math_sqrt", - "ff_math_log", - "ff_math_log10", - "ff_math_exp", - "ff_math_sin", - "ff_math_cos", - "ff_math_tan", - "ff_math_asin", - "ff_math_acos", - "ff_math_atan", - "ff_math_sinh", - "ff_math_cosh", - "ff_math_tanh", - "ff_math_pow", - "ff_math_atan2", - "ff_math_fmod", - "ff_math_deg", - "ff_math_rad", - "ff_math_ldexp", - "ff_math_frexp", - "ff_math_modf", - "ff_math_min", - "ff_math_max", - "ff_string_len", - "ff_string_byte", - "ff_string_char", - "fff_newstr", - "ff_string_sub", - "ff_string_rep", - "ff_string_reverse", - "ff_string_lower", - "ff_string_upper", - "ff_table_getn", - "ff_bit_tobit", - "fff_resbit", - "ff_bit_band", - "ff_bit_bor", - "ff_bit_bxor", - "ff_bit_bswap", - "ff_bit_bnot", - "ff_bit_lshift", - "ff_bit_rshift", - "ff_bit_arshift", - "ff_bit_rol", - "ff_bit_ror", - "vm_record", - "vm_rethook", - "vm_inshook", - "cont_hook", - "vm_hotloop", - "vm_callhook", - "vm_hotcall", - "vm_exit_handler", - "vm_exit_interp", - "vm_floor", - "vm_floor_efd", - "vm_ceil_efd", - "vm_trunc_efd", - "vm_trunc_hilo", - "vm_foldarith", - "vm_ffi_call", - "BC_MODVN_Z", - "BC_TGETS_Z", - "BC_TSETS_Z", - "BC_RETV_Z", - (const char *)0 -}; -static const char *const extnames[] = { - "lj_state_growstack", - "lj_meta_tget", - "lj_meta_tset", - "lj_meta_comp", - "lj_meta_equal", - "lj_meta_arith", - "lj_meta_len", - "lj_meta_call", - "lj_meta_for", - "lj_tab_get", - "lj_str_fromnum", - "lj_tab_next", - "lj_tab_getinth", - "lj_ffh_coroutine_wrap_err", - "sqrt", - "log", - "log10", - "exp", - "sin", - "cos", - "tan", - "asin", - "acos", - "atan", - "sinh", - "cosh", - "tanh", - "pow", - "atan2", - "fmod", - "ldexp", - "frexp", - "modf", - "lj_str_new", - "lj_tab_len", - "lj_gc_step", - "lj_dispatch_ins", - "lj_dispatch_call", - "lj_meta_cat", - "lj_gc_barrieruv", - "lj_func_closeuv", - "lj_func_newL_gc", - "lj_tab_new", - "lj_tab_dup", - "lj_gc_step_fixtop", - "lj_tab_newkey", - "lj_tab_reasize", - (const char *)0 -}; -#define Dt1(_V) (int)(ptrdiff_t)&(((lua_State *)0)_V) -#define Dt2(_V) (int)(ptrdiff_t)&(((global_State *)0)_V) -#define Dt3(_V) (int)(ptrdiff_t)&(((TValue *)0)_V) -#define Dt4(_V) (int)(ptrdiff_t)&(((GCobj *)0)_V) -#define Dt5(_V) (int)(ptrdiff_t)&(((GCstr *)0)_V) -#define Dt6(_V) (int)(ptrdiff_t)&(((GCtab *)0)_V) -#define Dt7(_V) (int)(ptrdiff_t)&(((GCfuncL *)0)_V) -#define Dt8(_V) (int)(ptrdiff_t)&(((GCfuncC *)0)_V) -#define Dt9(_V) (int)(ptrdiff_t)&(((GCproto *)0)_V) -#define DtA(_V) (int)(ptrdiff_t)&(((GCupval *)0)_V) -#define DtB(_V) (int)(ptrdiff_t)&(((Node *)0)_V) -#define DtC(_V) (int)(ptrdiff_t)&(((int *)0)_V) -#define DtD(_V) (int)(ptrdiff_t)&(((GCtrace *)0)_V) -#define DISPATCH_GL(field) (GG_DISP2G + (int)offsetof(global_State, field)) -#define DISPATCH_J(field) (GG_DISP2J + (int)offsetof(jit_State, field)) -#define PC2PROTO(field) ((int)offsetof(GCproto, field)-(int)sizeof(GCproto)) - -/* Generate subroutines used by opcodes and other parts of the VM. */ -/* The .code_sub section should be last to help static branch prediction. */ -static void build_subroutines(BuildCtx *ctx) -{ - dasm_put(Dst, 0); - dasm_put(Dst, 1, FRAME_P, LJ_TTRUE, FRAME_TYPE, FRAME_C, ~LJ_VMST_C, Dt1(->base), DISPATCH_GL(vmstate), 31-3, Dt1(->top)); - dasm_put(Dst, 55, Dt1(->cframe), Dt1(->maxstack), Dt1(->top), 31-3, Dt1(->top), ~LJ_VMST_C, Dt1(->glref), Dt2(->vmstate)); - dasm_put(Dst, 135, LJ_TISNUM+1, LJ_TFUNC, LJ_TTAB, Dt1(->base), Dt1(->glref), LJ_TSTR, LJ_TFALSE, LJ_TNIL, ~LJ_VMST_INTERP, GG_G2DISP, DISPATCH_GL(vmstate), LUA_MINSTACK, Dt1(->base), Dt1(->top), 32-3); - dasm_put(Dst, 190, Dt1(->base), Dt1(->top), Dt7(->pc), Dt1(->glref), Dt1(->status), FRAME_CP, CFRAME_RESUME, GG_G2DISP, Dt1(->cframe), Dt1(->base), LJ_TISNUM+1, Dt1(->top), LJ_TFUNC, LJ_TTAB, LJ_TSTR, Dt1(->status), FRAME_TYPE, ~LJ_VMST_INTERP, LJ_TNIL, DISPATCH_GL(vmstate)); - dasm_put(Dst, 283, FRAME_CP, FRAME_C, Dt1(->cframe), Dt1(->cframe), Dt1(->glref), GG_G2DISP, Dt1(->base), LJ_TISNUM+1, Dt1(->top), LJ_TFUNC, LJ_TTAB, LJ_TSTR, ~LJ_VMST_INTERP, LJ_TNIL, DISPATCH_GL(vmstate)); - dasm_put(Dst, 384, Dt7(->pc), Dt1(->stack), Dt1(->top), Dt1(->cframe), Dt1(->cframe), Dt1(->glref), FRAME_CP, GG_G2DISP, Dt7(->pc), PC2PROTO(k), Dt1(->base)); - dasm_put(Dst, 491, DISPATCH_GL(tmptv), DISPATCH_GL(tmptv), DISPATCH_GL(tmptv2), DISPATCH_GL(tmptv), Dt1(->base), FRAME_CONT, Dt1(->top), DISPATCH_GL(tmptv)); - dasm_put(Dst, 566, DISPATCH_GL(tmptv), DISPATCH_GL(tmptv2), DISPATCH_GL(tmptv), Dt1(->base), FRAME_CONT, Dt1(->top), Dt1(->base)); - dasm_put(Dst, 647, -(BCBIAS_J*4 >> 16), LJ_TTRUE, LJ_TFALSE, Dt1(->base)); - dasm_put(Dst, 716, Dt1(->base), FRAME_CONT); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 739); -#endif - dasm_put(Dst, 741, Dt1(->base)); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 749); -#else - dasm_put(Dst, 756); -#endif - dasm_put(Dst, 759, Dt1(->base), Dt7(->pc), Dt1(->base), Dt1(->base)); -#if LJ_HASJIT - dasm_put(Dst, 807); -#endif - dasm_put(Dst, 809); -#if LJ_HASJIT - dasm_put(Dst, 811, BC_JFORI); -#endif - dasm_put(Dst, 814); -#if LJ_HASJIT - dasm_put(Dst, 816, BC_JFORI); -#endif - dasm_put(Dst, 819, BC_FORI, ~LJ_TNUMX, 31-3, Dt8(->upvalue), Dt6(->metatable), DISPATCH_GL(gcroot[GCROOT_MMNAME+MM_metatable])); - dasm_put(Dst, 884, Dt6(->hmask), Dt5(->hash), Dt6(->node), 31-5, 31-3, DtB(->key), DtB(->val), DtB(->next), LJ_TUDATA, 31-2, 4*~LJ_TNUMX, DISPATCH_GL(gcroot[GCROOT_BASEMT])); - dasm_put(Dst, 940, Dt6(->metatable), Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->marked), Dt6(->gclist)); - dasm_put(Dst, 1000, DISPATCH_GL(gcroot[GCROOT_BASEMT_NUM]), Dt1(->base), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), Dt1(->base), Dt1(->top), (2+1)*8); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 1073, Dt6(->metatable), Dt8(->upvalue[0])); -#else - dasm_put(Dst, 1082, Dt8(->upvalue[0])); -#endif - dasm_put(Dst, 1086, (3+1)*8, Dt6(->asize), Dt6(->array), 31-3, (0+1)*8, (2+1)*8, Dt6(->hmask), (0+1)*8, (0+1)*8); - dasm_put(Dst, 1150); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 1163, Dt6(->metatable), Dt8(->upvalue[0])); -#else - dasm_put(Dst, 1172, Dt8(->upvalue[0])); -#endif - dasm_put(Dst, 1176, (3+1)*8, DISPATCH_GL(hookmask), 32-HOOK_ACTIVE_SHIFT, 8+FRAME_PCALL, DISPATCH_GL(hookmask), 32-HOOK_ACTIVE_SHIFT, 16+FRAME_PCALL, LJ_TTHREAD, Dt1(->status), Dt1(->cframe), Dt1(->top)); - dasm_put(Dst, 1237, LUA_YIELD, Dt1(->base), Dt1(->maxstack), Dt1(->base), Dt1(->top), Dt1(->top), Dt1(->base), LUA_YIELD, Dt1(->top), ~LJ_VMST_INTERP, Dt1(->base), DISPATCH_GL(vmstate), Dt1(->maxstack)); - dasm_put(Dst, 1300, Dt1(->top), FRAME_TYPE, LJ_TTRUE, FRAME_TYPE, LJ_TFALSE, Dt1(->top), (2+1)*8, 32-3); - dasm_put(Dst, 1360, Dt8(->upvalue[0].gcr), Dt1(->status), Dt1(->cframe), Dt1(->top), LUA_YIELD, Dt1(->base), Dt1(->maxstack), Dt1(->base), Dt1(->top), Dt1(->top), Dt1(->base), LUA_YIELD, Dt1(->top), ~LJ_VMST_INTERP); - dasm_put(Dst, 1419, Dt1(->base), DISPATCH_GL(vmstate), Dt1(->maxstack), Dt1(->top), FRAME_TYPE, 32-3, Dt1(->cframe)); - dasm_put(Dst, 1476, Dt1(->base), CFRAME_RESUME, Dt1(->top), LUA_YIELD, Dt1(->cframe), Dt1(->status), (1+1)*8, FRAME_TYPE); - dasm_put(Dst, 1541); - dasm_put(Dst, 1610); - dasm_put(Dst, 1673); - dasm_put(Dst, 1738); - dasm_put(Dst, 1808, Dt8(->upvalue[0]), DISPATCH_GL(tmptv), DISPATCH_GL(tmptv), (2+1)*8, (2+1)*8); - dasm_put(Dst, 1880, Dt5(->len)); - dasm_put(Dst, 1947, Dt5(->len), (0+1)*8, Dt5([1]), (1+1)*8, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), DISPATCH_GL(tmptv), Dt1(->base), Dt1(->base), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - dasm_put(Dst, 2007, Dt5(->len), sizeof(GCstr)-1, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - dasm_put(Dst, 2073, Dt5(->len), DISPATCH_GL(tmpbuf.sz), Dt5([1]), DISPATCH_GL(tmpbuf.buf), DISPATCH_GL(strempty), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - dasm_put(Dst, 2132, DISPATCH_GL(tmpbuf.sz), Dt5(->len), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), DISPATCH_GL(tmpbuf.sz), Dt5(->len), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf)); - dasm_put(Dst, 2191, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), DISPATCH_GL(tmpbuf.sz), Dt5(->len), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf)); - dasm_put(Dst, 2258); - dasm_put(Dst, 2329); - dasm_put(Dst, 2417, Dt8(->f), 8*LUA_MINSTACK, Dt1(->maxstack), Dt1(->base), Dt1(->top), Dt1(->base), 31-3, Dt1(->top), Dt7(->pc)); - dasm_put(Dst, 2496, FRAME_TYPE, LUA_MINSTACK, Dt1(->base), Dt1(->base), Dt1(->top), Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 2538); -#endif - dasm_put(Dst, 2540, DISPATCH_GL(hookmask), HOOK_ACTIVE, GG_DISP2STATIC, DISPATCH_GL(hookmask), DISPATCH_GL(hookcount), HOOK_ACTIVE, 31-LUA_HOOKLINE, DISPATCH_GL(hookcount), Dt1(->base), Dt1(->base)); - dasm_put(Dst, 2587, GG_DISP2STATIC); -#if LJ_HASJIT - dasm_put(Dst, 2605); -#endif - dasm_put(Dst, 2607); -#if LJ_HASJIT - dasm_put(Dst, 2610); -#endif - dasm_put(Dst, 2613); -#if LJ_HASJIT - dasm_put(Dst, 2615); -#endif - dasm_put(Dst, 2618, Dt1(->base), Dt1(->top), Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 2640); -#endif - dasm_put(Dst, 2642); -#if LJ_HASJIT - dasm_put(Dst, 2644); -#endif - dasm_put(Dst, 2646); -#if LJ_HASJIT - dasm_put(Dst, 2730); -#else - dasm_put(Dst, 2753); -#endif - dasm_put(Dst, 2756); -#if LJ_HASFFI - dasm_put(Dst, 2819); -#endif -} - -/* Generate the code for a single instruction. */ -static void build_ins(BuildCtx *ctx, BCOp op, int defop) -{ - int vk = 0; - dasm_put(Dst, 2821, defop); - - switch (op) { - - /* -- Comparison ops ---------------------------------------------------- */ - - /* Remember: all ops branch for a true comparison, fall through otherwise. */ - - case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: - dasm_put(Dst, 2823, -(BCBIAS_J*4 >> 16)); - if (op == BC_ISLE || op == BC_ISGT) { - dasm_put(Dst, 2837); - } - if (op == BC_ISLT || op == BC_ISLE) { - dasm_put(Dst, 2840); - } else { - dasm_put(Dst, 2842); - } - dasm_put(Dst, 2844); - break; - - case BC_ISEQV: case BC_ISNEV: - vk = op == BC_ISEQV; - dasm_put(Dst, 2855, -(BCBIAS_J*4 >> 16)); - if (vk) { - dasm_put(Dst, 2869); - } else { - dasm_put(Dst, 2871); - } - dasm_put(Dst, 2873, ~LJ_TISPRI, ~LJ_TISTABUD); - if (vk) { - dasm_put(Dst, 2895); - } else { - dasm_put(Dst, 2897); - } - dasm_put(Dst, 2899); - if (vk) { - dasm_put(Dst, 2901); - } else { - dasm_put(Dst, 2903); - } - dasm_put(Dst, 2905, Dt6(->metatable), 1-vk, Dt6(->nomm), 1<> 16)); - if (vk) { - dasm_put(Dst, 2940); - } else { - dasm_put(Dst, 2942); - } - dasm_put(Dst, 2944); - break; - - case BC_ISEQN: case BC_ISNEN: - vk = op == BC_ISEQN; - dasm_put(Dst, 2955, -(BCBIAS_J*4 >> 16)); - if (vk) { - dasm_put(Dst, 2969); - } else { - dasm_put(Dst, 2972); - } - dasm_put(Dst, 2974); - if (!vk) { - dasm_put(Dst, 2986); - } - break; - - case BC_ISEQP: case BC_ISNEP: - vk = op == BC_ISEQP; - dasm_put(Dst, 2992, 32-3, -(BCBIAS_J*4 >> 16)); - if (vk) { - dasm_put(Dst, 3004); - } else { - dasm_put(Dst, 3006); - } - dasm_put(Dst, 3008); - break; - - /* -- Unary test and copy ops ------------------------------------------- */ - - case BC_ISTC: case BC_ISFC: case BC_IST: case BC_ISF: - dasm_put(Dst, 3019); - if (op == BC_IST || op == BC_ISF) { - dasm_put(Dst, 3025, -(BCBIAS_J*4 >> 16)); - if (op == BC_IST) { - dasm_put(Dst, 3030); - } else { - dasm_put(Dst, 3032); - } - } else { - if (op == BC_ISTC) { - dasm_put(Dst, 3034); - } else { - dasm_put(Dst, 3037); - } - dasm_put(Dst, 3040, -(BCBIAS_J*4 >> 16)); - } - dasm_put(Dst, 3047); - break; - - /* -- Unary ops --------------------------------------------------------- */ - - case BC_MOV: - dasm_put(Dst, 3058); - break; - case BC_NOT: - dasm_put(Dst, 3071, LJ_TTRUE); - break; - case BC_UNM: - dasm_put(Dst, 3087); - break; - case BC_LEN: - dasm_put(Dst, 3104, Dt5(->len)); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 3128, Dt6(->metatable)); -#endif - dasm_put(Dst, 3135); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 3141, Dt6(->nomm), 1<base), 32-3, Dt1(->base)); - break; - - /* -- Constant ops ------------------------------------------------------ */ - - case BC_KSTR: - dasm_put(Dst, 3390, 32-1); - break; - case BC_KCDATA: -#if LJ_HASFFI - dasm_put(Dst, 3407, 32-1, LJ_TCDATA); -#endif - break; - case BC_KSHORT: - dasm_put(Dst, 3426, 32-3); - break; - case BC_KNUM: - dasm_put(Dst, 3442); - break; - case BC_KPRI: - dasm_put(Dst, 3455, 32-3); - break; - case BC_KNIL: - dasm_put(Dst, 3470); - break; - - /* -- Upvalue and function ops ------------------------------------------ */ - - case BC_UGET: - dasm_put(Dst, 3489, 32-1, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_USETV: - dasm_put(Dst, 3510, 32-1, offsetof(GCfuncL, uvptr), DtA(->marked), DtA(->v), LJ_GC_BLACK, DtA(->closed), -(LJ_TISNUM+1), LJ_TISGCV - (LJ_TISNUM+1), Dt4(->gch.marked), LJ_GC_WHITES, GG_DISP2G); - break; - case BC_USETS: - dasm_put(Dst, 3562, 32-1, 32-1, offsetof(GCfuncL, uvptr), DtA(->marked), DtA(->v), LJ_GC_BLACK, Dt5(->marked), DtA(->closed), LJ_GC_WHITES, GG_DISP2G); - break; - case BC_USETN: - dasm_put(Dst, 3611, 32-1, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_USETP: - dasm_put(Dst, 3632, 32-1, offsetof(GCfuncL, uvptr), 32-3, DtA(->v)); - break; - - case BC_UCLO: - dasm_put(Dst, 3655, Dt1(->openupval), 32-1, -(BCBIAS_J*4 >> 16), Dt1(->base), Dt1(->base)); - break; - - case BC_FNEW: - dasm_put(Dst, 3685, 32-1, Dt1(->base), Dt1(->base)); - break; - - /* -- Table ops --------------------------------------------------------- */ - - case BC_TNEW: - case BC_TDUP: - dasm_put(Dst, 3711, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), Dt1(->base)); - if (op == BC_TNEW) { - dasm_put(Dst, 3724); - } else { - dasm_put(Dst, 3732, 32-1); - } - dasm_put(Dst, 3739, Dt1(->base)); - break; - - case BC_GGET: - case BC_GSET: - dasm_put(Dst, 3762, 32-1, Dt7(->env)); - if (op == BC_GGET) { - dasm_put(Dst, 3770); - } else { - dasm_put(Dst, 3773); - } - break; - - case BC_TGETV: - dasm_put(Dst, 3776, Dt6(->asize), Dt6(->array), 31-3, Dt6(->metatable), Dt6(->nomm), 1<hmask), Dt5(->hash), Dt6(->node), 31-5, 31-3, DtB(->key), DtB(->val), DtB(->next), Dt6(->metatable), Dt6(->nomm), 1<asize), Dt6(->array), Dt6(->metatable), Dt6(->nomm), 1<asize), Dt6(->array), 31-3, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), Dt6(->nomm), 1<marked), Dt6(->gclist)); - break; - case BC_TSETS: - dasm_put(Dst, 4026, 32-1, Dt6(->hmask), Dt5(->hash), Dt6(->node), Dt6(->nomm), 31-5, 31-3, Dt6(->marked), DtB(->key), DtB(->val), LJ_GC_BLACK, DtB(->val), Dt6(->metatable)); - dasm_put(Dst, 4087, Dt6(->nomm), 1<next), Dt6(->metatable), DISPATCH_GL(tmptv), Dt1(->base), Dt6(->nomm), 1<base), DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain)); - dasm_put(Dst, 4138, Dt6(->marked), Dt6(->gclist)); - break; - case BC_TSETB: - dasm_put(Dst, 4145, 32-3, Dt6(->asize), Dt6(->array), Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), Dt6(->nomm), 1<marked)); - dasm_put(Dst, 4205, Dt6(->gclist)); - break; - - case BC_TSETM: - dasm_put(Dst, 4210, 32-3, Dt6(->asize), 31-3, Dt6(->marked), Dt6(->array), LJ_GC_BLACK, Dt1(->base), DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->marked), Dt6(->gclist)); - dasm_put(Dst, 4279); - break; - - /* -- Calls and vararg handling ----------------------------------------- */ - - case BC_CALLM: - dasm_put(Dst, 4282); - break; - case BC_CALL: - dasm_put(Dst, 4284, Dt7(->pc)); - break; - - case BC_CALLMT: - dasm_put(Dst, 4304); - break; - case BC_CALLT: - dasm_put(Dst, 4306, FRAME_TYPE, Dt7(->ffid), FRAME_VARG, Dt7(->pc), -4-8, Dt7(->pc), PC2PROTO(k), FRAME_TYPEP); - dasm_put(Dst, 4371, FRAME_TYPE); - break; - - case BC_ITERC: - dasm_put(Dst, 4378, Dt7(->pc)); - break; - - case BC_ITERN: -#if LJ_HASJIT -#endif - dasm_put(Dst, 4404, Dt6(->asize), Dt6(->array), 31-3, -(BCBIAS_J*4 >> 16), Dt6(->hmask), Dt6(->node), 31-5, 31-3, DtB(->key), -(BCBIAS_J*4 >> 16)); - dasm_put(Dst, 4483); - break; - - case BC_ISNEXT: - dasm_put(Dst, 4487, LJ_TTAB, LJ_TFUNC, LJ_TNIL, Dt8(->ffid), FF_next_N, 32-1, -(BCBIAS_J*4 >> 16), BC_JMP, BC_ITERC, -(BCBIAS_J*4 >> 16)); - break; - - case BC_VARG: - dasm_put(Dst, 4538, FRAME_VARG, Dt1(->maxstack), Dt1(->top), Dt1(->base), 32-3, Dt1(->base)); - dasm_put(Dst, 4618); - break; - - /* -- Returns ----------------------------------------------------------- */ - - case BC_RETM: - dasm_put(Dst, 4624); - break; - - case BC_RET: - dasm_put(Dst, 4626, FRAME_TYPE, FRAME_VARG, Dt7(->pc), PC2PROTO(k), FRAME_TYPEP); - break; - - case BC_RET0: case BC_RET1: - dasm_put(Dst, 4696, FRAME_TYPE, FRAME_VARG); - if (op == BC_RET1) { - dasm_put(Dst, 4709); - } - dasm_put(Dst, 4712, Dt7(->pc), PC2PROTO(k)); - break; - - /* -- Loops and branches ------------------------------------------------ */ - - case BC_FORL: -#if LJ_HASJIT - dasm_put(Dst, 4740); -#endif - break; - - case BC_JFORI: - case BC_JFORL: -#if !LJ_HASJIT - break; -#endif - case BC_FORI: - case BC_IFORL: - vk = (op == BC_IFORL || op == BC_JFORL); - dasm_put(Dst, 4742, FORL_IDX*8, FORL_STEP*8, FORL_STOP*8); - if (!vk) { - dasm_put(Dst, 4750); - } - if (vk) { - dasm_put(Dst, 4758, FORL_IDX*8); - } - dasm_put(Dst, 4762, FORL_EXT*8); - if (op != BC_JFORL) { - dasm_put(Dst, 4770, 32-1); - if (op == BC_JFORI) { - dasm_put(Dst, 4774, -(BCBIAS_J*4 >> 16)); - } else { - dasm_put(Dst, 4777, -(BCBIAS_J*4 >> 16)); - } - } - if (op == BC_FORI) { - dasm_put(Dst, 4780); - } else if (op == BC_IFORL) { - dasm_put(Dst, 4782); - } else { - dasm_put(Dst, 4784, BC_JLOOP); - } - dasm_put(Dst, 4787); - break; - - case BC_ITERL: -#if LJ_HASJIT - dasm_put(Dst, 4802); -#endif - break; - - case BC_JITERL: -#if !LJ_HASJIT - break; -#endif - case BC_IITERL: - dasm_put(Dst, 4804); - if (op == BC_JITERL) { - dasm_put(Dst, 4810); - } else { - dasm_put(Dst, 4812, 32-1, -(BCBIAS_J*4 >> 16)); - } - dasm_put(Dst, 4819); - break; - - case BC_LOOP: -#if LJ_HASJIT - dasm_put(Dst, 4831); -#endif - break; - - case BC_ILOOP: - dasm_put(Dst, 4833); - break; - - case BC_JLOOP: -#if LJ_HASJIT - dasm_put(Dst, 4844); -#endif - break; - - case BC_JMP: - dasm_put(Dst, 4846, 32-1, -(BCBIAS_J*4 >> 16)); - break; - - /* -- Function headers -------------------------------------------------- */ - - case BC_FUNCF: -#if LJ_HASJIT - dasm_put(Dst, 4862); -#endif - case BC_FUNCV: /* NYI: compiled vararg functions. */ - break; - - case BC_JFUNCF: -#if !LJ_HASJIT - break; -#endif - case BC_IFUNCF: - dasm_put(Dst, 4864, Dt1(->maxstack), -4+PC2PROTO(numparams), -4+PC2PROTO(k), 31-3); - if (op == BC_JFUNCF) { - dasm_put(Dst, 4882); - } else { - dasm_put(Dst, 4884); - } - dasm_put(Dst, 4893); - break; - - case BC_JFUNCV: -#if !LJ_HASJIT - break; -#endif - dasm_put(Dst, 4899); - break; /* NYI: compiled vararg functions. */ - - case BC_IFUNCV: - dasm_put(Dst, 4901, Dt1(->maxstack), 8+FRAME_VARG, -4+PC2PROTO(k), -4+PC2PROTO(numparams)); - break; - - case BC_FUNCC: - case BC_FUNCCW: - if (op == BC_FUNCC) { - dasm_put(Dst, 4951, Dt8(->f)); - } else { - dasm_put(Dst, 4954, DISPATCH_GL(wrapf)); - } - dasm_put(Dst, 4957, Dt1(->maxstack), Dt1(->base), Dt1(->top), ~LJ_VMST_C); - if (op == BC_FUNCCW) { - dasm_put(Dst, 4970, Dt8(->f)); - } - dasm_put(Dst, 4973, DISPATCH_GL(vmstate), Dt1(->top), 31-3, Dt1(->base), ~LJ_VMST_INTERP, DISPATCH_GL(vmstate)); - break; - - /* ---------------------------------------------------------------------- */ - - default: - fprintf(stderr, "Error: undefined opcode BC_%s\n", bc_names[op]); - exit(2); - break; - } -} - -static int build_backend(BuildCtx *ctx) -{ - int op; - - dasm_growpc(Dst, BC__MAX); - - build_subroutines(ctx); - - dasm_put(Dst, 4994); - for (op = 0; op < BC__MAX; op++) - build_ins(ctx, (BCOp)op, op); - - return BC__MAX; -} - -/* Emit pseudo frame-info for all assembler functions. */ -static void emit_asm_debug(BuildCtx *ctx) -{ - int i; - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, "\t.section .debug_frame,\"\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe0:\n" - "\t.long .LECIE0-.LSCIE0\n" - ".LSCIE0:\n" - "\t.long 0xffffffff\n" - "\t.byte 0x1\n" - "\t.string \"\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 65\n" - "\t.byte 0xc\n\t.uleb128 1\n\t.uleb128 0\n" - "\t.align 2\n" - ".LECIE0:\n\n"); - fprintf(ctx->fp, - ".LSFDE0:\n" - "\t.long .LEFDE0-.LASFDE0\n" - ".LASFDE0:\n" - "\t.long .Lframe0\n" - "\t.long .Lbegin\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x5\n\t.uleb128 70\n\t.sleb128 37\n", - (int)ctx->codesz, CFRAME_SIZE); - for (i = 14; i <= 31; i++) - fprintf(ctx->fp, - "\t.byte %d\n\t.uleb128 %d\n" - "\t.byte 5\n\t.uleb128 %d\n\t.uleb128 %d\n", - 0x80+i, 1+2*(31-i), 1200+i, 2+2*(31-i)); - fprintf(ctx->fp, - "\t.align 2\n" - ".LEFDE0:\n\n"); - fprintf(ctx->fp, "\t.section .eh_frame,\"a\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe1:\n" - "\t.long .LECIE1-.LSCIE1\n" - ".LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zPR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -4\n" - "\t.byte 65\n" - "\t.uleb128 6\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.long lj_err_unwind_dwarf-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 1\n\t.uleb128 0\n" - "\t.align 2\n" - ".LECIE1:\n\n"); - fprintf(ctx->fp, - ".LSFDE1:\n" - "\t.long .LEFDE1-.LASFDE1\n" - ".LASFDE1:\n" - "\t.long .LASFDE1-.Lframe1\n" - "\t.long .Lbegin-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" - "\t.byte 0x11\n\t.uleb128 65\n\t.sleb128 -1\n" - "\t.byte 0x5\n\t.uleb128 70\n\t.sleb128 37\n", - (int)ctx->codesz, CFRAME_SIZE); - for (i = 14; i <= 31; i++) - fprintf(ctx->fp, - "\t.byte %d\n\t.uleb128 %d\n" - "\t.byte 5\n\t.uleb128 %d\n\t.uleb128 %d\n", - 0x80+i, 1+2*(31-i), 1200+i, 2+2*(31-i)); - fprintf(ctx->fp, - "\t.align 2\n" - ".LEFDE1:\n\n"); - break; - default: - break; - } -} - diff --git a/libraries/luajit-2.0/src/buildvm_x64.h b/libraries/luajit-2.0/src/buildvm_x64.h deleted file mode 100644 index 55b22b2..0000000 --- a/libraries/luajit-2.0/src/buildvm_x64.h +++ /dev/null @@ -1,3406 +0,0 @@ -/* -** This file has been pre-processed with DynASM. -** http://luajit.org/dynasm.html -** DynASM version 1.3.0, DynASM x64 version 1.3.0 -** DO NOT EDIT! The original file is in "buildvm_x86.dasc". -*/ - -#if DASM_VERSION != 10300 -#error "Version mismatch between DynASM and included encoding engine" -#endif - -#define DASM_SECTION_CODE_OP 0 -#define DASM_SECTION_CODE_SUB 1 -#define DASM_MAXSECTION 2 -static const unsigned char build_actionlist[16378] = { - 254,1,248,10,252,247,195,237,15,132,244,11,131,227,252,248,41,218,72,141, - 76,25,252,248,139,90,252,252,199,68,10,4,237,248,12,131,192,1,137,68,36,4, - 252,247,195,237,15,132,244,13,248,14,129,252,243,239,252,247,195,237,15,133, - 244,10,65,199,134,233,237,131,227,252,248,41,211,252,247,219,131,232,1,15, - 132,244,248,248,1,72,139,44,10,72,137,106,252,248,131,194,8,131,232,1,15, - 133,244,1,248,2,255,139,108,36,24,137,157,233,248,3,139,68,36,4,139,76,36, - 16,248,4,57,193,15,133,244,252,248,5,131,252,234,8,137,149,233,248,15,72, - 139,76,36,32,72,137,141,233,49,192,248,16,72,131,196,40,65,94,65,95,91,93, - 195,248,6,15,130,244,253,59,149,233,15,135,244,254,199,66,252,252,237,131, - 194,8,131,192,1,252,233,244,4,248,7,255,133,201,15,132,244,5,41,193,141,20, - 202,252,233,244,5,248,8,137,149,233,137,68,36,4,137,206,137,252,239,232,251, - 1,0,139,149,233,252,233,244,3,248,17,137,252,240,72,137,252,252,248,18,139, - 108,36,24,139,173,233,199,133,233,237,252,233,244,16,248,19,139,124,36,24, - 137,198,72,131,196,40,65,94,65,95,91,93,252,233,251,1,1,248,20,72,129,231, - 239,72,137,252,252,248,21,255,139,108,36,24,72,199,193,252,248,252,255,252, - 255,252,255,184,237,139,149,233,68,139,181,233,65,129,198,239,139,90,252, - 252,199,66,252,252,237,65,199,134,233,237,252,233,244,12,248,22,190,237,252, - 233,244,248,248,23,131,232,8,252,233,244,247,248,24,141,68,194,252,248,248, - 1,15,182,139,233,131,195,4,137,149,233,255,137,133,233,137,92,36,28,137,206, - 248,2,137,252,239,232,251,1,0,139,149,233,139,133,233,139,106,252,248,41, - 208,193,232,3,131,192,1,139,157,233,139,11,15,182,252,233,15,182,205,131, - 195,4,65,252,255,36,252,238,248,25,85,83,65,87,65,86,72,131,252,236,40,137, - 252,253,137,124,36,24,137,252,241,187,237,49,192,76,141,188,253,36,233,68, - 139,181,233,65,129,198,239,76,137,189,233,137,68,36,28,72,137,68,36,32,137, - 68,36,16,137,68,36,20,56,133,233,15,132,244,249,65,199,134,233,237,136,133, - 233,139,149,233,139,133,233,41,200,193,232,3,131,192,1,41,209,139,90,252, - 252,137,68,36,4,252,247,195,237,255,15,132,244,13,252,233,244,14,248,26,85, - 83,65,87,65,86,72,131,252,236,40,187,237,137,76,36,20,252,233,244,247,248, - 27,85,83,65,87,65,86,72,131,252,236,40,187,237,248,1,137,84,36,16,137,252, - 253,137,124,36,24,137,252,241,76,139,189,233,76,137,124,36,32,137,108,36, - 28,72,137,165,233,248,2,68,139,181,233,65,129,198,239,248,3,65,199,134,233, - 237,139,149,233,255,1,203,41,211,139,133,233,41,200,193,232,3,131,192,1,248, - 28,139,105,252,248,129,121,253,252,252,239,15,133,244,29,248,30,137,202,137, - 90,252,252,139,157,233,139,11,15,182,252,233,15,182,205,131,195,4,65,252, - 255,36,252,238,248,31,85,83,65,87,65,86,72,131,252,236,40,137,252,253,137, - 124,36,24,137,108,36,28,68,139,189,233,68,43,189,233,199,68,36,20,0,0,0,0, - 68,137,124,36,16,76,139,189,233,76,137,124,36,32,72,137,165,233,252,255,209, - 133,192,15,132,244,15,137,193,187,237,252,233,244,2,248,11,1,209,131,227, - 252,248,137,213,41,218,199,68,193,252,252,237,137,200,139,93,252,244,72,99, - 77,252,240,255,131,252,249,1,15,134,244,247,255,76,141,61,245,76,1,252,249, - 255,68,139,122,252,248,69,139,191,233,69,139,191,233,252,255,225,255,248, - 1,15,132,244,32,41,213,193,252,237,3,141,69,252,255,252,233,244,33,255,248, - 34,15,182,75,252,255,131,252,237,16,141,12,202,41,252,233,15,132,244,35,252, - 247,217,193,252,233,3,139,124,36,24,137,151,233,137,202,72,139,8,72,137,77, - 0,137,252,238,252,233,244,36,248,37,137,4,36,199,68,36,4,237,72,141,4,36, - 128,123,252,252,235,15,133,244,247,65,141,142,233,137,41,199,65,4,237,137, - 205,252,233,244,248,248,38,15,182,67,252,254,255,199,68,36,4,237,137,4,36, - 255,252,242,15,42,192,252,242,15,17,4,36,255,72,141,4,36,252,233,244,247, - 248,39,15,182,67,252,254,141,4,194,248,1,15,182,107,252,255,141,44,252,234, - 248,2,139,124,36,24,137,151,233,137,252,238,72,137,194,137,252,253,137,92, - 36,28,232,251,1,2,139,149,233,133,192,15,132,244,249,248,35,15,182,75,252, - 253,72,139,40,72,137,44,202,139,3,15,182,204,15,182,232,131,195,4,193,232, - 16,65,252,255,36,252,238,248,3,139,141,233,137,89,252,244,141,153,233,41, - 211,139,105,252,248,184,237,252,233,244,30,248,40,137,4,36,199,68,36,4,237, - 72,141,4,36,128,123,252,252,235,15,133,244,247,255,65,141,142,233,137,41, - 199,65,4,237,137,205,252,233,244,248,248,41,15,182,67,252,254,255,72,141, - 4,36,252,233,244,247,248,42,15,182,67,252,254,141,4,194,248,1,15,182,107, - 252,255,141,44,252,234,248,2,139,124,36,24,137,151,233,137,252,238,72,137, - 194,137,252,253,137,92,36,28,232,251,1,3,139,149,233,133,192,15,132,244,249, - 15,182,75,252,253,72,139,44,202,72,137,40,248,43,139,3,15,182,204,15,182, - 232,131,195,4,193,232,16,65,252,255,36,252,238,248,3,139,141,233,137,89,252, - 244,15,182,67,252,253,72,139,44,194,72,137,105,16,141,153,233,41,211,139, - 105,252,248,184,237,252,233,244,30,248,44,139,108,36,24,137,149,233,141,52, - 202,141,20,194,137,252,239,15,182,75,252,252,137,92,36,28,232,251,1,4,248, - 3,139,149,233,255,131,252,248,1,15,135,244,45,248,4,141,91,4,15,130,244,252, - 248,5,15,183,67,252,254,141,156,253,131,233,248,6,139,3,15,182,204,15,182, - 232,131,195,4,193,232,16,65,252,255,36,252,238,248,46,131,195,4,129,120,253, - 4,239,15,130,244,5,252,233,244,6,248,47,129,120,253,4,239,252,233,244,4,248, - 48,131,252,235,4,137,206,137,252,233,139,108,36,24,137,149,233,255,137,194, - 137,252,239,137,92,36,28,232,251,1,5,252,233,244,3,248,49,255,131,252,235, - 4,139,108,36,24,137,149,233,137,252,239,139,115,252,252,137,92,36,28,232, - 251,1,6,252,233,244,3,255,248,50,255,15,182,107,252,255,255,248,51,65,141, - 4,199,252,233,244,247,248,52,255,248,53,65,141,4,199,141,44,252,234,149,252, - 233,244,248,248,54,141,4,194,137,197,252,233,244,248,248,55,255,248,56,141, - 4,194,248,1,141,44,252,234,248,2,141,12,202,68,15,182,67,252,252,137,206, - 137,193,139,124,36,24,137,151,233,137,252,234,137,252,253,137,92,36,28,232, - 251,1,7,139,149,233,133,192,15,132,244,43,248,45,137,193,41,208,137,89,252, - 244,141,152,233,184,237,252,233,244,28,248,57,139,108,36,24,137,149,233,141, - 52,194,137,252,239,137,92,36,28,232,251,1,8,139,149,233,255,133,192,15,133, - 244,45,15,183,67,252,254,139,60,194,252,233,244,58,255,252,233,244,45,255, - 248,59,141,76,202,8,248,29,137,76,36,4,137,4,36,131,252,233,8,139,108,36, - 24,137,149,233,137,206,141,20,193,137,252,239,137,92,36,28,232,251,1,9,139, - 149,233,139,76,36,4,139,4,36,139,105,252,248,131,192,1,65,57,215,15,132,244, - 60,137,202,137,90,252,252,139,157,233,139,11,15,182,252,233,15,182,205,131, - 195,4,65,252,255,36,252,238,248,61,139,108,36,24,137,149,233,137,206,137, - 252,239,137,92,36,28,232,251,1,10,139,149,233,139,67,252,252,15,182,204,15, - 182,232,193,232,16,65,252,255,164,253,252,238,233,248,62,129,252,248,239, - 15,130,244,63,139,106,4,129,252,253,239,15,131,244,63,139,90,252,252,137, - 68,36,4,137,106,252,252,139,42,137,106,252,248,131,232,2,15,132,244,248,255, - 137,209,248,1,131,193,8,72,139,41,72,137,105,252,248,131,232,1,15,133,244, - 1,248,2,139,68,36,4,252,233,244,64,248,65,129,252,248,239,15,130,244,63,139, - 106,4,137,252,233,193,252,249,15,131,252,249,252,254,15,132,244,249,184,237, - 252,247,213,57,232,255,15,71,197,255,15,134,244,247,137,232,248,1,255,248, - 2,139,106,252,248,139,132,253,197,233,139,90,252,252,199,66,252,252,237,137, - 66,252,248,252,233,244,66,248,3,184,237,252,233,244,2,248,67,129,252,248, - 239,15,130,244,63,139,106,4,139,90,252,252,129,252,253,239,15,133,244,252, - 248,1,139,42,139,173,233,248,2,133,252,237,199,66,252,252,237,255,15,132, - 244,66,65,139,134,233,199,66,252,252,237,137,106,252,248,139,141,233,35,136, - 233,105,201,239,3,141,233,248,3,129,185,233,239,15,133,244,250,57,129,233, - 15,132,244,251,248,4,139,137,233,133,201,15,133,244,3,255,252,233,244,66, - 248,5,139,105,4,129,252,253,239,15,132,244,66,139,1,137,106,252,252,137,66, - 252,248,252,233,244,66,248,6,129,252,253,239,15,132,244,1,129,252,253,239, - 15,135,244,254,129,252,253,239,15,134,244,253,189,237,252,233,244,254,248, - 7,255,189,237,248,8,252,247,213,65,139,172,253,174,233,252,233,244,2,248, - 68,129,252,248,239,15,130,244,63,129,122,253,4,239,15,133,244,63,139,42,131, - 189,233,0,15,133,244,63,129,122,253,12,239,15,133,244,63,139,66,8,137,133, - 233,139,90,252,252,199,66,252,252,237,255,137,106,252,248,252,246,133,233, - 235,15,132,244,247,128,165,233,235,65,139,134,233,65,137,174,233,137,133, - 233,248,1,252,233,244,66,248,69,129,252,248,239,15,130,244,63,129,122,253, - 4,239,15,133,244,63,137,213,139,50,141,82,8,139,124,36,24,232,251,1,11,137, - 252,234,72,139,40,139,90,252,252,72,137,106,252,248,252,233,244,66,248,70, - 255,129,252,248,239,15,133,244,63,129,122,253,4,239,255,15,133,244,247,139, - 42,252,233,244,71,248,1,15,135,244,63,255,15,131,244,63,255,252,242,15,16, - 2,252,233,244,72,255,221,2,252,233,244,73,255,248,74,129,252,248,239,15,130, - 244,63,139,90,252,252,129,122,253,4,239,15,133,244,249,139,2,248,2,199,66, - 252,252,237,137,66,252,248,252,233,244,66,248,3,129,122,253,4,239,15,135, - 244,63,65,131,190,233,0,15,133,244,63,65,139,174,233,65,59,174,233,255,15, - 130,244,247,232,244,75,248,1,139,108,36,24,137,149,233,137,92,36,28,137,214, - 137,252,239,255,232,251,1,12,255,232,251,1,13,255,139,149,233,252,233,244, - 2,248,76,129,252,248,239,15,130,244,63,15,132,244,248,248,1,129,122,253,4, - 239,15,133,244,63,139,108,36,24,137,149,233,137,149,233,139,90,252,252,139, - 50,141,82,8,137,252,239,137,92,36,28,232,251,1,14,139,149,233,133,192,15, - 132,244,249,72,139,106,8,72,139,66,16,72,137,106,252,248,72,137,2,248,77, - 184,237,255,252,233,244,78,248,2,199,66,12,237,252,233,244,1,248,3,199,66, - 252,252,237,252,233,244,66,248,79,129,252,248,239,15,130,244,63,139,42,129, - 122,253,4,239,15,133,244,63,255,131,189,233,0,15,133,244,63,255,139,106,252, - 248,139,133,233,139,90,252,252,199,66,252,252,237,137,66,252,248,199,66,12, - 237,184,237,252,233,244,78,248,80,129,252,248,239,15,130,244,63,129,122,253, - 4,239,15,133,244,63,129,122,253,12,239,255,139,90,252,252,255,139,66,8,131, - 192,1,199,66,252,252,237,137,66,252,248,255,252,242,15,16,66,8,72,189,237, - 237,102,72,15,110,205,252,242,15,88,193,252,242,15,45,192,252,242,15,17,66, - 252,248,255,139,42,59,133,233,15,131,244,248,193,224,3,3,133,233,248,1,129, - 120,253,4,239,15,132,244,81,72,139,40,72,137,42,252,233,244,77,248,2,131, - 189,233,0,15,132,244,81,137,252,239,137,213,137,198,232,251,1,15,137,252, - 234,133,192,15,133,244,1,248,81,184,237,252,233,244,78,248,82,255,139,106, - 252,248,139,133,233,139,90,252,252,199,66,252,252,237,137,66,252,248,255, - 199,66,12,237,199,66,8,0,0,0,0,255,15,87,192,252,242,15,17,66,8,255,217,252, - 238,221,90,8,255,184,237,252,233,244,78,248,83,129,252,248,239,15,130,244, - 63,141,74,8,131,232,1,187,237,248,1,65,15,182,174,233,193,252,237,235,131, - 229,1,1,252,235,252,233,244,28,248,84,129,252,248,239,15,130,244,63,129,122, - 253,12,239,15,133,244,63,255,139,106,4,137,106,12,199,66,4,237,139,42,139, - 90,8,137,106,8,137,26,141,74,16,131,232,2,187,237,252,233,244,1,248,85,129, - 252,248,239,15,130,244,63,139,42,139,90,252,252,137,92,36,28,137,44,36,129, - 122,253,4,239,15,133,244,63,72,131,189,233,0,15,133,244,63,128,189,233,235, - 15,135,244,63,139,141,233,15,132,244,247,255,59,141,233,15,132,244,63,248, - 1,141,92,193,252,240,59,157,233,15,135,244,63,137,157,233,139,108,36,24,137, - 149,233,131,194,8,137,149,233,141,108,194,232,72,41,221,57,203,15,132,244, - 249,248,2,72,139,4,43,72,137,67,252,248,131,252,235,8,57,203,15,133,244,2, - 248,3,137,206,139,60,36,232,244,25,65,199,134,233,237,255,139,108,36,24,139, - 28,36,139,149,233,129,252,248,239,15,135,244,254,248,4,139,139,233,68,139, - 187,233,137,139,233,68,137,252,251,41,203,15,132,244,252,141,4,26,193,252, - 235,3,59,133,233,15,135,244,255,137,213,72,41,205,248,5,72,139,1,72,137,4, - 41,131,193,8,68,57,252,249,15,133,244,5,248,6,141,67,2,199,66,252,252,237, - 248,7,139,92,36,28,137,68,36,4,72,199,193,252,248,252,255,252,255,252,255, - 252,247,195,237,255,15,132,244,13,252,233,244,14,248,8,199,66,252,252,237, - 139,139,233,131,252,233,8,137,139,233,72,139,1,72,137,2,184,237,252,233,244, - 7,248,9,139,12,36,68,137,185,233,137,222,137,252,239,232,251,1,0,139,28,36, - 139,149,233,252,233,244,4,248,86,139,106,252,248,139,173,233,139,90,252,252, - 137,92,36,28,137,44,36,72,131,189,233,0,15,133,244,63,255,128,189,233,235, - 15,135,244,63,139,141,233,15,132,244,247,59,141,233,15,132,244,63,248,1,141, - 92,193,252,248,59,157,233,15,135,244,63,137,157,233,139,108,36,24,137,149, - 233,137,149,233,141,108,194,252,240,72,41,221,57,203,15,132,244,249,248,2, - 255,72,139,4,43,72,137,67,252,248,131,252,235,8,57,203,15,133,244,2,248,3, - 137,206,139,60,36,232,244,25,65,199,134,233,237,139,108,36,24,139,28,36,139, - 149,233,129,252,248,239,15,135,244,254,248,4,139,139,233,68,139,187,233,137, - 139,233,68,137,252,251,41,203,15,132,244,252,141,4,26,193,252,235,3,59,133, - 233,15,135,244,255,255,137,213,72,41,205,248,5,72,139,1,72,137,4,41,131,193, - 8,68,57,252,249,15,133,244,5,248,6,141,67,1,248,7,139,92,36,28,137,68,36, - 4,49,201,252,247,195,237,15,132,244,13,252,233,244,14,248,8,137,222,137,252, - 239,232,251,1,16,248,9,139,12,36,68,137,185,233,137,222,137,252,239,232,251, - 1,0,139,28,36,139,149,233,252,233,244,4,248,87,139,108,36,24,72,252,247,133, - 233,237,15,132,244,63,255,137,149,233,141,68,194,252,248,137,133,233,49,192, - 72,137,133,233,176,235,136,133,233,252,233,244,16,255,248,71,255,248,73,139, - 90,252,252,221,90,252,248,252,233,244,66,255,248,88,129,252,248,239,15,130, - 244,63,255,129,122,253,4,239,15,133,244,248,139,42,131,252,253,0,15,137,244, - 71,252,247,221,15,136,244,247,248,89,248,71,139,90,252,252,199,66,252,252, - 237,137,106,252,248,252,233,244,66,248,1,139,90,252,252,199,66,252,252,0, - 0,224,65,199,66,252,248,0,0,0,0,252,233,244,66,248,2,15,135,244,63,255,129, - 122,253,4,239,15,131,244,63,255,252,242,15,16,2,72,184,237,237,102,72,15, - 110,200,15,84,193,248,72,139,90,252,252,252,242,15,17,66,252,248,255,221, - 2,217,225,248,72,248,73,139,90,252,252,221,90,252,248,255,248,66,184,237, - 248,78,137,68,36,4,248,64,252,247,195,237,15,133,244,253,248,5,56,67,252, - 255,15,135,244,252,15,182,75,252,253,72,252,247,209,141,20,202,139,3,15,182, - 204,15,182,232,131,195,4,193,232,16,65,252,255,36,252,238,248,6,199,68,194, - 252,244,237,131,192,1,252,233,244,5,248,7,72,199,193,252,248,252,255,252, - 255,252,255,252,233,244,14,248,90,255,129,122,253,4,239,15,133,244,247,139, - 42,252,233,244,71,248,1,15,135,244,63,255,252,242,15,16,2,232,244,91,255, - 252,242,15,45,232,129,252,253,0,0,0,128,15,133,244,71,252,242,15,42,205,102, - 15,46,193,15,138,244,72,15,132,244,71,255,221,2,232,244,91,255,248,92,255, - 252,242,15,16,2,232,244,93,255,221,2,232,244,93,255,248,94,129,252,248,239, - 15,130,244,63,129,122,253,4,239,15,131,244,63,252,242,15,81,2,252,233,244, - 72,255,248,94,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244, - 63,221,2,217,252,250,252,233,244,73,255,248,95,129,252,248,239,15,130,244, - 63,129,122,253,4,239,15,131,244,63,217,252,237,221,2,217,252,241,252,233, - 244,73,248,96,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244, - 63,217,252,236,221,2,217,252,241,252,233,244,73,248,97,129,252,248,239,255, - 15,130,244,63,129,122,253,4,239,15,131,244,63,221,2,232,244,98,252,233,244, - 73,248,99,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,221, - 2,217,252,254,252,233,244,73,248,100,129,252,248,239,255,15,130,244,63,129, - 122,253,4,239,15,131,244,63,221,2,217,252,255,252,233,244,73,248,101,129, - 252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,221,2,217,252,242, - 221,216,252,233,244,73,248,102,129,252,248,239,15,130,244,63,255,129,122, - 253,4,239,15,131,244,63,221,2,217,192,216,200,217,232,222,225,217,252,250, - 217,252,243,252,233,244,73,248,103,129,252,248,239,15,130,244,63,129,122, - 253,4,239,15,131,244,63,221,2,217,192,216,200,217,232,222,225,217,252,250, - 217,201,217,252,243,252,233,244,73,248,104,129,252,248,239,15,130,244,63, - 129,122,253,4,239,15,131,244,63,255,221,2,217,232,217,252,243,252,233,244, - 73,255,248,105,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244, - 63,252,242,15,16,2,255,137,213,232,251,1,17,137,252,234,252,233,244,72,255, - 248,106,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,252, - 242,15,16,2,255,137,213,232,251,1,18,137,252,234,252,233,244,72,255,248,107, - 129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,252,242,15, - 16,2,255,137,213,232,251,1,19,137,252,234,252,233,244,72,248,108,255,248, - 109,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,252,242, - 15,16,2,139,106,252,248,252,242,15,89,133,233,252,233,244,72,255,248,109, - 129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,221,2,139,106, - 252,248,220,141,233,252,233,244,73,255,248,110,129,252,248,239,15,130,244, - 63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244,63,221,2, - 221,66,8,217,252,243,252,233,244,73,248,111,129,252,248,239,15,130,244,63, - 129,122,253,4,239,15,131,244,63,129,122,253,12,239,255,15,131,244,63,221, - 66,8,221,2,217,252,253,221,217,252,233,244,73,248,112,129,252,248,239,15, - 130,244,63,139,106,4,129,252,253,239,15,131,244,63,139,90,252,252,139,2,137, - 106,252,252,137,66,252,248,209,229,129,252,253,0,0,224,252,255,15,131,244, - 249,9,232,15,132,244,249,184,252,254,3,0,0,129,252,253,0,0,32,0,15,130,244, - 250,248,1,193,252,237,21,41,197,255,252,242,15,42,197,255,137,44,36,219,4, - 36,255,139,106,252,252,129,229,252,255,252,255,15,128,129,205,0,0,224,63, - 137,106,252,252,248,2,255,252,242,15,17,2,255,221,26,255,184,237,252,233, - 244,78,248,3,255,15,87,192,252,233,244,2,255,217,252,238,252,233,244,2,255, - 248,4,255,252,242,15,16,2,72,189,237,237,102,72,15,110,205,252,242,15,89, - 193,252,242,15,17,66,252,248,255,221,2,199,4,36,0,0,128,90,216,12,36,221, - 90,252,248,255,139,106,252,252,184,52,4,0,0,209,229,252,233,244,1,255,248, - 113,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,252,242, - 15,16,2,255,248,113,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131, - 244,63,221,2,255,139,106,4,139,90,252,252,209,229,129,252,253,0,0,224,252, - 255,15,132,244,250,255,15,40,224,232,244,114,252,242,15,92,224,248,1,252, - 242,15,17,66,252,248,252,242,15,17,34,255,217,192,232,244,114,220,252,233, - 248,1,221,90,252,248,221,26,255,139,66,252,252,139,106,4,49,232,15,136,244, - 249,248,2,184,237,252,233,244,78,248,3,129,252,245,0,0,0,128,137,106,4,252, - 233,244,2,248,4,255,15,87,228,252,233,244,1,255,217,252,238,217,201,252,233, - 244,1,255,248,115,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131, - 244,63,129,122,253,12,239,15,131,244,63,221,66,8,221,2,248,1,217,252,248, - 223,224,158,15,138,244,1,221,217,252,233,244,73,255,248,116,129,252,248,239, - 15,130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244, - 63,252,242,15,16,2,252,242,15,16,74,8,232,244,117,252,233,244,72,255,248, - 116,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,129,122, - 253,12,239,15,131,244,63,221,2,221,66,8,232,244,117,252,233,244,73,255,248, - 118,185,2,0,0,0,129,122,253,4,239,255,15,133,244,250,139,42,248,1,57,193, - 15,131,244,71,129,124,253,202,252,252,239,15,133,244,249,59,108,202,252,248, - 15,79,108,202,252,248,131,193,1,252,233,244,1,248,3,15,135,244,63,255,252, - 233,244,252,248,4,15,135,244,63,255,252,242,15,16,2,248,5,57,193,15,131,244, - 72,129,124,253,202,252,252,239,255,15,130,244,252,15,135,244,63,252,242,15, - 42,76,202,252,248,252,233,244,253,255,248,6,252,242,15,16,76,202,252,248, - 248,7,252,242,15,93,193,131,193,1,252,233,244,5,255,248,119,185,2,0,0,0,129, - 122,253,4,239,255,15,133,244,250,139,42,248,1,57,193,15,131,244,71,129,124, - 253,202,252,252,239,15,133,244,249,59,108,202,252,248,15,76,108,202,252,248, - 131,193,1,252,233,244,1,248,3,15,135,244,63,255,248,6,252,242,15,16,76,202, - 252,248,248,7,252,242,15,95,193,131,193,1,252,233,244,5,255,248,9,221,216, - 252,233,244,63,255,248,120,129,252,248,239,15,130,244,63,129,122,253,4,239, - 15,133,244,63,139,42,255,139,173,233,252,233,244,71,255,252,242,15,42,133, - 233,252,233,244,72,255,219,133,233,252,233,244,73,255,248,121,129,252,248, - 239,15,133,244,63,129,122,253,4,239,15,133,244,63,139,42,139,90,252,252,131, - 189,233,1,15,130,244,81,15,182,173,233,255,252,242,15,42,197,252,233,244, - 72,255,137,44,36,219,4,36,252,233,244,73,255,248,122,65,139,174,233,65,59, - 174,233,15,130,244,247,232,244,75,248,1,129,252,248,239,15,133,244,63,129, - 122,253,4,239,255,15,133,244,63,139,42,129,252,253,252,255,0,0,0,15,135,244, - 63,137,108,36,4,255,15,131,244,63,252,242,15,44,42,129,252,253,252,255,0, - 0,0,15,135,244,63,137,108,36,4,255,15,131,244,63,221,2,219,92,36,4,129,124, - 36,4,252,255,0,0,0,15,135,244,63,255,199,68,36,8,1,0,0,0,72,141,68,36,4,248, - 123,139,108,36,24,137,149,233,139,84,36,8,72,137,198,137,252,239,137,92,36, - 28,232,251,1,20,139,149,233,139,90,252,252,199,66,252,252,237,137,66,252, - 248,252,233,244,66,248,124,65,139,174,233,65,59,174,233,15,130,244,247,232, - 244,75,248,1,199,68,36,4,252,255,252,255,252,255,252,255,129,252,248,239, - 15,130,244,63,15,134,244,247,129,122,253,20,239,255,15,133,244,63,139,106, - 16,137,108,36,4,255,15,131,244,63,252,242,15,44,106,16,137,108,36,4,255,15, - 131,244,63,221,66,16,219,92,36,4,255,248,1,129,122,253,4,239,15,133,244,63, - 129,122,253,12,239,255,139,42,137,108,36,8,139,173,233,255,139,74,8,255,252, - 242,15,44,74,8,255,139,68,36,4,57,197,15,130,244,251,248,2,133,201,15,142, - 244,253,248,3,139,108,36,8,41,200,15,140,244,125,141,172,253,13,233,131,192, - 1,248,4,137,68,36,8,137,232,252,233,244,123,248,5,15,140,244,252,141,68,40, - 1,252,233,244,2,248,6,137,232,252,233,244,2,248,7,255,15,132,244,254,1,252, - 233,131,193,1,15,143,244,3,248,8,185,1,0,0,0,252,233,244,3,248,125,49,192, - 252,233,244,4,248,126,129,252,248,239,15,130,244,63,65,139,174,233,65,59, - 174,233,15,130,244,247,232,244,75,248,1,255,129,122,253,4,239,15,133,244, - 63,129,122,253,12,239,139,42,255,15,133,244,63,139,66,8,255,15,131,244,63, - 252,242,15,44,66,8,255,15,131,244,63,221,66,8,219,92,36,4,139,68,36,4,255, - 133,192,15,142,244,125,131,189,233,1,15,130,244,125,15,133,244,127,65,57, - 134,233,15,130,244,127,15,182,141,233,65,139,174,233,137,68,36,8,248,1,136, - 77,0,131,197,1,131,232,1,15,133,244,1,65,139,134,233,252,233,244,123,248, - 128,129,252,248,239,255,15,130,244,63,65,139,174,233,65,59,174,233,15,130, - 244,247,232,244,75,248,1,129,122,253,4,239,15,133,244,63,139,42,139,133,233, - 133,192,15,132,244,125,65,57,134,233,15,130,244,129,129,197,239,137,92,36, - 4,137,68,36,8,65,139,158,233,248,1,255,15,182,77,0,131,197,1,131,232,1,136, - 12,3,15,133,244,1,137,216,139,92,36,4,252,233,244,123,248,130,129,252,248, - 239,15,130,244,63,65,139,174,233,65,59,174,233,15,130,244,247,232,244,75, - 248,1,129,122,253,4,239,15,133,244,63,139,42,139,133,233,65,57,134,233,255, - 15,130,244,129,129,197,239,137,92,36,4,137,68,36,8,65,139,158,233,252,233, - 244,249,248,1,15,182,76,5,0,131,252,249,65,15,130,244,248,131,252,249,90, - 15,135,244,248,131,252,241,32,248,2,136,12,3,248,3,131,232,1,15,137,244,1, - 137,216,139,92,36,4,252,233,244,123,248,131,129,252,248,239,15,130,244,63, - 255,65,139,174,233,65,59,174,233,15,130,244,247,232,244,75,248,1,129,122, - 253,4,239,15,133,244,63,139,42,139,133,233,65,57,134,233,15,130,244,129,129, - 197,239,137,92,36,4,137,68,36,8,65,139,158,233,252,233,244,249,248,1,15,182, - 76,5,0,131,252,249,97,15,130,244,248,255,131,252,249,122,15,135,244,248,131, - 252,241,32,248,2,136,12,3,248,3,131,232,1,15,137,244,1,137,216,139,92,36, - 4,252,233,244,123,248,132,129,252,248,239,15,130,244,63,129,122,253,4,239, - 15,133,244,63,137,213,139,58,232,251,1,21,137,252,234,255,137,197,252,233, - 244,71,255,252,242,15,42,192,252,233,244,72,255,248,133,129,252,248,239,15, - 130,244,63,129,122,253,4,239,255,15,133,244,247,139,42,252,233,244,89,248, - 1,15,135,244,63,255,252,242,15,16,2,72,189,237,237,102,72,15,110,205,252, - 242,15,88,193,102,15,126,197,255,252,233,244,89,255,248,134,129,252,248,239, - 15,130,244,63,255,72,189,237,237,102,72,15,110,205,255,199,4,36,0,0,192,89, - 255,15,133,244,247,139,42,252,233,244,248,248,1,15,135,244,63,255,252,242, - 15,16,2,252,242,15,88,193,102,15,126,197,255,248,2,137,68,36,4,141,68,194, - 252,240,248,1,57,208,15,134,244,89,129,120,253,4,239,255,15,133,244,248,35, - 40,131,232,8,252,233,244,1,248,2,15,135,244,135,255,15,131,244,135,255,252, - 242,15,16,0,252,242,15,88,193,102,15,126,193,33,205,255,131,232,8,252,233, - 244,1,248,136,129,252,248,239,15,130,244,63,255,15,133,244,248,11,40,131, - 232,8,252,233,244,1,248,2,15,135,244,135,255,252,242,15,16,0,252,242,15,88, - 193,102,15,126,193,9,205,255,131,232,8,252,233,244,1,248,137,129,252,248, - 239,15,130,244,63,255,15,133,244,248,51,40,131,232,8,252,233,244,1,248,2, - 15,135,244,135,255,252,242,15,16,0,252,242,15,88,193,102,15,126,193,49,205, - 255,131,232,8,252,233,244,1,248,138,129,252,248,239,15,130,244,63,129,122, - 253,4,239,255,248,2,15,205,252,233,244,89,248,139,129,252,248,239,15,130, - 244,63,129,122,253,4,239,255,248,2,252,247,213,255,248,89,252,242,15,42,197, - 252,233,244,72,255,248,135,139,68,36,4,252,233,244,63,255,248,140,129,252, - 248,239,15,130,244,63,129,122,253,4,239,255,248,2,129,122,253,12,239,15,133, - 244,63,139,74,8,255,248,140,129,252,248,239,15,130,244,63,129,122,253,4,239, - 15,131,244,63,129,122,253,12,239,15,131,244,63,252,242,15,16,2,252,242,15, - 16,74,8,72,189,237,237,102,72,15,110,213,252,242,15,88,194,252,242,15,88, - 202,102,15,126,197,102,15,126,201,255,211,229,252,233,244,89,255,248,141, - 129,252,248,239,15,130,244,63,129,122,253,4,239,255,248,141,129,252,248,239, - 15,130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244, - 63,252,242,15,16,2,252,242,15,16,74,8,72,189,237,237,102,72,15,110,213,252, - 242,15,88,194,252,242,15,88,202,102,15,126,197,102,15,126,201,255,211,252, - 237,252,233,244,89,255,248,142,129,252,248,239,15,130,244,63,129,122,253, - 4,239,255,248,142,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131, - 244,63,129,122,253,12,239,15,131,244,63,252,242,15,16,2,252,242,15,16,74, - 8,72,189,237,237,102,72,15,110,213,252,242,15,88,194,252,242,15,88,202,102, - 15,126,197,102,15,126,201,255,211,252,253,252,233,244,89,255,248,143,129, - 252,248,239,15,130,244,63,129,122,253,4,239,255,248,143,129,252,248,239,15, - 130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244, - 63,252,242,15,16,2,252,242,15,16,74,8,72,189,237,237,102,72,15,110,213,252, - 242,15,88,194,252,242,15,88,202,102,15,126,197,102,15,126,201,255,211,197, - 252,233,244,89,255,248,144,129,252,248,239,15,130,244,63,129,122,253,4,239, - 255,248,144,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63, - 129,122,253,12,239,15,131,244,63,252,242,15,16,2,252,242,15,16,74,8,72,189, - 237,237,102,72,15,110,213,252,242,15,88,194,252,242,15,88,202,102,15,126, - 197,102,15,126,201,255,211,205,252,233,244,89,248,127,184,237,252,233,244, - 63,248,129,184,237,248,63,139,108,36,24,139,90,252,252,137,92,36,28,137,149, - 233,141,68,194,252,248,141,136,233,137,133,233,139,66,252,248,59,141,233, - 15,135,244,251,137,252,239,252,255,144,233,139,149,233,133,192,15,143,244, - 78,248,1,255,139,141,233,41,209,193,252,233,3,133,192,141,65,1,139,106,252, - 248,15,133,244,33,139,157,233,139,11,15,182,252,233,15,182,205,131,195,4, - 65,252,255,36,252,238,248,33,137,209,252,247,195,237,15,133,244,249,15,182, - 107,252,253,72,252,247,213,141,20,252,234,252,233,244,28,248,3,137,221,131, - 229,252,248,41,252,234,252,233,244,28,248,5,190,237,137,252,239,232,251,1, - 0,139,149,233,49,192,252,233,244,1,248,75,93,72,137,108,36,8,139,108,36,24, - 137,92,36,28,137,149,233,255,141,68,194,252,248,137,252,239,137,133,233,232, - 251,1,22,139,149,233,139,133,233,41,208,193,232,3,131,192,1,72,139,108,36, - 8,85,195,248,145,255,65,15,182,134,233,168,235,15,133,244,251,168,235,15, - 133,244,247,168,235,15,132,244,247,65,252,255,142,233,252,233,244,247,255, - 248,146,65,15,182,134,233,168,235,15,133,244,251,252,233,244,247,248,147, - 65,15,182,134,233,168,235,15,133,244,251,168,235,15,132,244,251,65,252,255, - 142,233,15,132,244,247,168,235,15,132,244,251,248,1,255,139,108,36,24,137, - 149,233,137,222,137,252,239,232,251,1,23,248,3,139,149,233,248,4,15,182,75, - 252,253,248,5,15,182,107,252,252,15,183,67,252,254,65,252,255,164,253,252, - 238,233,248,148,131,195,4,139,77,232,137,76,36,4,252,233,244,4,248,149,255, - 139,106,252,248,139,173,233,15,182,133,233,141,4,194,139,108,36,24,137,149, - 233,137,133,233,137,222,65,141,190,233,73,137,174,233,137,92,36,28,232,251, - 1,24,252,233,244,3,255,248,150,137,92,36,28,255,248,151,255,137,92,36,28, - 131,203,1,248,1,255,141,68,194,252,248,139,108,36,24,137,149,233,137,133, - 233,137,222,137,252,239,232,251,1,25,199,68,36,28,0,0,0,0,255,131,227,252, - 254,255,139,149,233,72,137,193,139,133,233,41,208,72,137,205,15,182,75,252, - 253,193,232,3,131,192,1,252,255,229,248,152,255,65,85,65,84,65,83,65,82,65, - 81,65,80,87,86,85,72,141,108,36,88,85,83,82,81,80,15,182,69,252,248,138,101, - 252,240,76,137,125,252,248,76,137,117,252,240,68,139,117,0,65,139,142,233, - 65,199,134,233,237,65,137,134,233,65,137,142,233,72,129,252,236,239,72,131, - 197,128,252,242,68,15,17,125,252,248,252,242,68,15,17,117,252,240,252,242, - 68,15,17,109,232,252,242,68,15,17,101,224,252,242,68,15,17,93,216,252,242, - 68,15,17,85,208,252,242,68,15,17,77,200,252,242,68,15,17,69,192,252,242,15, - 17,125,184,252,242,15,17,117,176,252,242,15,17,109,168,252,242,15,17,101, - 160,252,242,15,17,93,152,252,242,15,17,85,144,252,242,15,17,77,136,252,242, - 15,17,69,128,65,139,174,233,65,139,150,233,73,137,174,233,65,199,134,233, - 0,0,0,0,137,149,233,72,137,230,65,141,190,233,232,251,1,26,72,139,141,233, - 72,129,225,239,72,137,204,137,169,233,139,149,233,139,153,233,252,233,244, - 247,255,248,153,255,72,131,196,16,248,1,76,139,108,36,8,76,139,36,36,133, - 192,15,136,244,249,137,68,36,4,68,139,122,252,248,69,139,191,233,69,139,191, - 233,65,199,134,233,0,0,0,0,65,199,134,233,237,139,3,15,182,204,15,182,232, - 131,195,4,193,232,16,129,252,253,239,15,130,244,248,139,68,36,4,248,2,65, - 252,255,36,252,238,248,3,252,247,216,137,252,239,137,198,232,251,1,1,255, - 248,91,255,217,124,36,4,137,68,36,8,102,184,0,4,102,11,68,36,4,102,37,252, - 255,252,247,102,137,68,36,6,217,108,36,6,217,252,252,217,108,36,4,139,68, - 36,8,195,255,248,154,72,184,237,237,102,72,15,110,208,72,184,237,237,102, - 72,15,110,216,15,40,200,102,15,84,202,102,15,46,217,15,134,244,247,102,15, - 85,208,252,242,15,88,203,252,242,15,92,203,102,15,86,202,72,184,237,237,102, - 72,15,110,208,252,242,15,194,193,1,102,15,84,194,252,242,15,92,200,15,40, - 193,248,1,195,248,93,255,217,124,36,4,137,68,36,8,102,184,0,8,102,11,68,36, - 4,102,37,252,255,252,251,102,137,68,36,6,217,108,36,6,217,252,252,217,108, - 36,4,139,68,36,8,195,255,248,155,72,184,237,237,102,72,15,110,208,72,184, - 237,237,102,72,15,110,216,15,40,200,102,15,84,202,102,15,46,217,15,134,244, - 247,102,15,85,208,252,242,15,88,203,252,242,15,92,203,102,15,86,202,72,184, - 237,237,102,72,15,110,208,252,242,15,194,193,6,102,15,84,194,252,242,15,92, - 200,15,40,193,248,1,195,248,114,255,217,124,36,4,137,68,36,8,102,184,0,12, - 102,11,68,36,4,102,137,68,36,6,217,108,36,6,217,252,252,217,108,36,4,139, - 68,36,8,195,255,248,156,72,184,237,237,102,72,15,110,208,72,184,237,237,102, - 72,15,110,216,15,40,200,102,15,84,202,102,15,46,217,15,134,244,247,102,15, - 85,208,15,40,193,252,242,15,88,203,252,242,15,92,203,72,184,237,237,102,72, - 15,110,216,252,242,15,194,193,1,102,15,84,195,252,242,15,92,200,102,15,86, - 202,15,40,193,248,1,195,248,157,255,15,40,232,252,242,15,94,193,72,184,237, - 237,102,72,15,110,208,72,184,237,237,102,72,15,110,216,15,40,224,102,15,84, - 226,102,15,46,220,15,134,244,247,102,15,85,208,252,242,15,88,227,252,242, - 15,92,227,102,15,86,226,72,184,237,237,102,72,15,110,208,252,242,15,194,196, - 1,102,15,84,194,252,242,15,92,224,15,40,197,252,242,15,89,204,252,242,15, - 92,193,195,248,1,252,242,15,89,200,15,40,197,252,242,15,92,193,195,255,217, - 193,216,252,241,217,124,36,4,102,184,0,4,102,11,68,36,4,102,37,252,255,252, - 247,102,137,68,36,6,217,108,36,6,217,252,252,217,108,36,4,222,201,222,252, - 233,195,255,248,98,217,252,234,222,201,248,158,217,84,36,252,248,129,124, - 36,252,248,0,0,128,127,15,132,244,247,129,124,36,252,248,0,0,128,252,255, - 15,132,244,248,248,159,217,192,217,252,252,220,252,233,217,201,217,252,240, - 217,232,222,193,217,252,253,221,217,248,1,195,248,2,221,216,217,252,238,195, - 255,248,117,255,248,160,252,242,15,45,193,252,242,15,42,208,102,15,46,202, - 15,133,244,254,15,138,244,255,248,161,131,252,248,1,15,142,244,252,248,1, - 169,1,0,0,0,15,133,244,248,252,242,15,89,192,209,232,252,233,244,1,248,2, - 209,232,15,132,244,251,15,40,200,248,3,252,242,15,89,192,209,232,15,132,244, - 250,15,131,244,3,255,252,242,15,89,200,252,233,244,3,248,4,252,242,15,89, - 193,248,5,195,248,6,15,132,244,5,15,130,244,253,252,247,216,232,244,1,72, - 184,237,237,102,72,15,110,200,252,242,15,94,200,15,40,193,195,248,7,72,184, - 237,237,102,72,15,110,192,195,248,8,102,72,15,126,200,72,209,224,72,193,192, - 12,72,61,252,254,15,0,0,15,132,244,248,102,72,15,126,192,72,209,224,15,132, - 244,250,255,72,193,192,12,72,61,252,254,15,0,0,15,132,244,251,252,242,15, - 17,76,36,252,240,252,242,15,17,68,36,252,248,221,68,36,252,240,221,68,36, - 252,248,217,252,241,217,192,217,252,252,220,252,233,217,201,217,252,240,217, - 232,222,193,217,252,253,221,217,221,92,36,252,248,252,242,15,16,68,36,252, - 248,195,248,9,72,184,237,237,102,72,15,110,208,102,15,46,194,15,132,244,247, - 15,40,193,248,1,195,248,2,72,184,237,237,102,72,15,110,208,102,15,84,194, - 72,184,237,237,102,72,15,110,208,102,15,46,194,15,132,244,1,102,15,80,193, - 15,87,192,136,196,15,146,208,48,224,15,133,244,1,248,3,72,184,237,237,255, - 102,72,15,110,192,195,248,4,102,15,80,193,133,192,15,133,244,3,15,87,192, - 195,248,5,102,15,80,193,133,192,15,132,244,3,15,87,192,195,248,162,255,131, - 252,255,1,15,130,244,91,15,132,244,93,131,252,255,3,15,130,244,114,15,135, - 244,248,252,242,15,81,192,195,248,2,252,242,15,17,68,36,252,248,221,68,36, - 252,248,131,252,255,5,15,135,244,248,15,132,244,247,232,244,98,252,233,244, - 253,248,1,232,244,158,255,252,233,244,253,248,2,131,252,255,7,15,132,244, - 247,15,135,244,248,217,252,237,217,201,217,252,241,252,233,244,253,248,1, - 217,232,217,201,217,252,241,252,233,244,253,248,2,131,252,255,9,15,132,244, - 247,15,135,244,248,217,252,236,217,201,217,252,241,252,233,244,253,248,1, - 255,217,252,254,252,233,244,253,248,2,131,252,255,11,15,132,244,247,15,135, - 244,255,217,252,255,252,233,244,253,248,1,217,252,242,221,216,248,7,221,92, - 36,252,248,252,242,15,16,68,36,252,248,195,255,139,124,36,12,221,68,36,4, - 131,252,255,1,15,130,244,91,15,132,244,93,131,252,255,3,15,130,244,114,15, - 135,244,248,217,252,250,195,248,2,131,252,255,5,15,130,244,98,15,132,244, - 158,131,252,255,7,15,132,244,247,15,135,244,248,217,252,237,217,201,217,252, - 241,195,248,1,217,232,217,201,217,252,241,195,248,2,131,252,255,9,15,132, - 244,247,255,15,135,244,248,217,252,236,217,201,217,252,241,195,248,1,217, - 252,254,195,248,2,131,252,255,11,15,132,244,247,15,135,244,255,217,252,255, - 195,248,1,217,252,242,221,216,195,255,248,9,204,255,248,163,255,131,252,255, - 1,15,132,244,247,15,135,244,248,252,242,15,88,193,195,248,1,252,242,15,92, - 193,195,248,2,131,252,255,3,15,132,244,247,15,135,244,248,252,242,15,89,193, - 195,248,1,252,242,15,94,193,195,248,2,131,252,255,5,15,130,244,157,15,132, - 244,117,131,252,255,7,15,132,244,247,15,135,244,248,72,184,237,237,255,102, - 72,15,110,200,15,87,193,195,248,1,72,184,237,237,102,72,15,110,200,15,84, - 193,195,248,2,131,252,255,9,15,135,244,248,252,242,15,17,68,36,252,248,252, - 242,15,17,76,36,252,240,221,68,36,252,248,221,68,36,252,240,15,132,244,247, - 217,252,243,248,7,221,92,36,252,248,252,242,15,16,68,36,252,248,195,248,1, - 217,201,217,252,253,221,217,252,233,244,7,248,2,131,252,255,11,15,132,244, - 247,15,135,244,255,252,242,15,93,193,195,248,1,252,242,15,95,193,195,248, - 9,204,255,139,68,36,20,221,68,36,4,221,68,36,12,131,252,248,1,15,132,244, - 247,15,135,244,248,222,193,195,248,1,222,252,233,195,248,2,131,252,248,3, - 15,132,244,247,15,135,244,248,222,201,195,248,1,222,252,249,195,248,2,131, - 252,248,5,15,130,244,157,15,132,244,117,131,252,248,7,15,132,244,247,15,135, - 244,248,255,221,216,217,224,195,248,1,221,216,217,225,195,248,2,131,252,248, - 9,15,132,244,247,15,135,244,248,217,252,243,195,248,1,217,201,217,252,253, - 221,217,195,248,2,131,252,248,11,15,132,244,247,15,135,244,255,255,219,252, - 233,219,209,221,217,195,248,1,219,252,233,218,209,221,217,195,255,221,225, - 223,224,252,246,196,1,15,132,244,248,217,201,248,2,221,216,195,248,1,221, - 225,223,224,252,246,196,1,15,133,244,248,217,201,248,2,221,216,195,255,248, - 164,137,252,248,83,15,162,137,6,137,94,4,137,78,8,137,86,12,91,195,248,165, - 255,204,248,166,255,83,65,87,65,86,72,131,252,236,40,68,141,181,233,139,157, - 233,15,183,192,137,131,233,72,137,187,233,72,137,179,233,72,137,147,233,72, - 137,139,233,252,242,15,17,131,233,252,242,15,17,139,233,252,242,15,17,147, - 233,252,242,15,17,155,233,72,141,132,253,36,233,76,137,131,233,76,137,139, - 233,252,242,15,17,163,233,252,242,15,17,171,233,252,242,15,17,179,233,252, - 242,15,17,187,233,72,137,131,233,72,137,230,137,92,36,28,137,223,232,251, - 1,27,65,199,134,233,237,255,139,144,233,139,128,233,41,208,139,106,252,248, - 193,232,3,131,192,1,139,157,233,139,11,15,182,252,233,15,182,205,131,195, - 4,65,252,255,36,252,238,255,248,32,255,139,76,36,24,65,139,158,233,72,137, - 139,233,137,145,233,137,169,233,137,223,137,198,232,251,1,28,72,139,131,233, - 252,242,15,16,131,233,252,233,244,16,255,248,167,255,85,72,137,229,83,72, - 137,252,251,139,131,233,72,41,196,255,15,182,139,233,131,252,233,1,15,136, - 244,248,248,1,72,139,132,253,203,233,72,137,132,253,204,233,131,252,233,1, - 15,137,244,1,248,2,15,182,131,233,72,139,187,233,72,139,179,233,72,139,147, - 233,72,139,139,233,76,139,131,233,76,139,139,233,133,192,15,132,244,251,15, - 40,131,233,15,40,139,233,255,15,40,147,233,15,40,155,233,131,252,248,4,15, - 134,244,251,15,40,163,233,15,40,171,233,15,40,179,233,15,40,187,233,248,5, - 252,255,147,233,72,137,131,233,15,41,131,233,72,137,147,233,15,41,139,233, - 255,72,139,93,252,248,201,195,255,129,124,253,202,4,239,15,133,244,253,129, - 124,253,194,4,239,15,133,244,254,139,44,202,131,195,4,59,44,194,255,15,141, - 244,255,255,15,140,244,255,255,15,143,244,255,255,15,142,244,255,255,248, - 6,15,183,67,252,254,141,156,253,131,233,248,9,139,3,15,182,204,15,182,232, - 131,195,4,193,232,16,65,252,255,36,252,238,248,7,15,135,244,44,129,124,253, - 194,4,239,15,130,244,247,15,133,244,44,255,252,242,15,42,4,194,252,233,244, - 248,255,221,4,202,219,4,194,252,233,244,249,255,248,8,15,135,244,44,255,252, - 242,15,42,12,202,252,242,15,16,4,194,131,195,4,102,15,46,193,255,15,134,244, - 9,255,15,135,244,9,255,15,130,244,9,255,15,131,244,9,255,252,233,244,6,255, - 219,4,202,252,233,244,248,255,129,124,253,202,4,239,15,131,244,44,129,124, - 253,194,4,239,15,131,244,44,255,248,1,252,242,15,16,4,194,248,2,131,195,4, - 102,15,46,4,202,248,3,255,248,1,221,4,202,248,2,221,4,194,248,3,131,195,4, - 255,223,252,233,221,216,255,218,252,233,223,224,158,255,15,135,244,247,255, - 15,130,244,247,255,15,131,244,247,255,15,183,67,252,254,141,156,253,131,233, - 248,1,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36,252, - 238,255,139,108,194,4,131,195,4,255,129,252,253,239,15,133,244,253,129,124, - 253,202,4,239,15,133,244,254,139,44,194,59,44,202,255,15,133,244,255,255, - 15,132,244,255,255,15,183,67,252,254,141,156,253,131,233,248,9,139,3,15,182, - 204,15,182,232,131,195,4,193,232,16,65,252,255,36,252,238,248,7,15,135,244, - 251,129,124,253,202,4,239,15,130,244,247,15,133,244,251,255,252,242,15,42, - 4,202,255,219,4,202,255,252,233,244,248,248,8,15,135,244,251,255,252,242, - 15,42,4,194,102,15,46,4,202,255,219,4,194,221,4,202,255,252,233,244,250,255, - 129,252,253,239,15,131,244,251,129,124,253,202,4,239,15,131,244,251,255,248, - 1,252,242,15,16,4,202,248,2,102,15,46,4,194,248,4,255,248,1,221,4,202,248, - 2,221,4,194,248,4,255,15,138,244,248,15,133,244,248,255,15,138,244,248,15, - 132,244,247,255,248,1,15,183,67,252,254,141,156,253,131,233,248,2,255,248, - 2,15,183,67,252,254,141,156,253,131,233,248,1,255,252,233,244,9,255,248,5, - 255,129,252,253,239,15,132,244,49,129,124,253,202,4,239,15,132,244,49,255, - 57,108,202,4,15,133,244,2,129,252,253,239,15,131,244,1,139,12,202,139,4,194, - 57,193,15,132,244,1,129,252,253,239,15,135,244,2,129,252,253,239,15,130,244, - 2,139,169,233,133,252,237,15,132,244,2,252,246,133,233,235,15,133,244,2,255, - 49,252,237,255,189,1,0,0,0,255,252,233,244,48,255,248,3,129,252,253,239,255, - 15,133,244,9,255,252,233,244,49,255,72,252,247,208,139,108,202,4,131,195, - 4,129,252,253,239,15,133,244,249,139,12,202,65,59,12,135,255,139,108,202, - 4,131,195,4,255,129,252,253,239,15,133,244,253,65,129,124,253,199,4,239,15, - 133,244,254,65,139,44,199,59,44,202,255,15,183,67,252,254,141,156,253,131, - 233,248,9,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36, - 252,238,248,7,15,135,244,249,65,129,124,253,199,4,239,15,130,244,247,255, - 252,242,65,15,42,4,199,255,65,219,4,199,255,252,233,244,248,248,8,255,252, - 242,15,42,4,202,102,65,15,46,4,199,255,219,4,202,65,221,4,199,255,129,252, - 253,239,15,131,244,249,255,248,1,252,242,65,15,16,4,199,248,2,102,15,46,4, - 202,248,4,255,248,1,65,221,4,199,248,2,221,4,202,248,4,255,72,252,247,208, - 139,108,202,4,131,195,4,57,197,255,15,133,244,249,15,183,67,252,254,141,156, - 253,131,233,248,2,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252, - 255,36,252,238,248,3,129,252,253,239,15,133,244,2,252,233,244,49,255,15,132, - 244,248,129,252,253,239,15,132,244,49,15,183,67,252,254,141,156,253,131,233, - 248,2,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36,252, - 238,255,139,108,194,4,131,195,4,129,252,253,239,255,137,108,202,4,139,44, - 194,137,44,202,255,72,139,44,194,72,137,44,202,139,3,15,182,204,15,182,232, - 131,195,4,193,232,16,65,252,255,36,252,238,255,49,252,237,129,124,253,194, - 4,239,129,213,239,137,108,202,4,139,3,15,182,204,15,182,232,131,195,4,193, - 232,16,65,252,255,36,252,238,255,129,124,253,194,4,239,15,133,244,251,139, - 44,194,252,247,221,15,128,244,250,199,68,202,4,237,137,44,202,248,9,139,3, - 15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36,252,238,248,4,199, - 68,202,4,0,0,224,65,199,4,202,0,0,0,0,252,233,244,9,248,5,15,135,244,54,255, - 129,124,253,194,4,239,15,131,244,54,255,252,242,15,16,4,194,72,184,237,237, - 102,72,15,110,200,15,87,193,252,242,15,17,4,202,255,221,4,194,217,224,221, - 28,202,255,129,124,253,194,4,239,15,133,244,248,139,4,194,255,139,128,233, - 248,1,199,68,202,4,237,137,4,202,255,15,87,192,252,242,15,42,128,233,248, - 1,252,242,15,17,4,202,255,219,128,233,248,1,221,28,202,255,139,3,15,182,204, - 15,182,232,131,195,4,193,232,16,65,252,255,36,252,238,248,2,129,124,253,194, - 4,239,15,133,244,57,139,60,194,255,139,175,233,131,252,253,0,15,133,244,255, - 248,3,255,248,58,137,213,232,251,1,21,255,252,242,15,42,192,255,137,252,234, - 15,182,75,252,253,252,233,244,1,255,248,9,252,246,133,233,235,15,133,244, - 3,252,233,244,57,255,15,182,252,236,15,182,192,255,129,124,253,252,234,4, - 239,15,133,244,51,65,129,124,253,199,4,239,15,133,244,51,139,44,252,234,65, - 3,44,199,15,128,244,50,255,129,124,253,252,234,4,239,15,133,244,53,65,129, - 124,253,199,4,239,15,133,244,53,65,139,4,199,3,4,252,234,15,128,244,52,255, - 129,124,253,252,234,4,239,15,133,244,56,129,124,253,194,4,239,15,133,244, - 56,139,44,252,234,3,44,194,15,128,244,55,255,199,68,202,4,237,255,129,124, - 253,252,234,4,239,15,131,244,51,255,65,129,124,253,199,4,239,15,131,244,51, - 255,252,242,15,16,4,252,234,252,242,65,15,88,4,199,255,221,4,252,234,65,220, - 4,199,255,129,124,253,252,234,4,239,15,131,244,53,255,65,129,124,253,199, - 4,239,15,131,244,53,255,252,242,65,15,16,4,199,252,242,15,88,4,252,234,255, - 65,221,4,199,220,4,252,234,255,129,124,253,252,234,4,239,15,131,244,56,129, - 124,253,194,4,239,15,131,244,56,255,252,242,15,16,4,252,234,252,242,15,88, - 4,194,255,221,4,252,234,220,4,194,255,129,124,253,252,234,4,239,15,133,244, - 51,65,129,124,253,199,4,239,15,133,244,51,139,44,252,234,65,43,44,199,15, - 128,244,50,255,129,124,253,252,234,4,239,15,133,244,53,65,129,124,253,199, - 4,239,15,133,244,53,65,139,4,199,43,4,252,234,15,128,244,52,255,129,124,253, - 252,234,4,239,15,133,244,56,129,124,253,194,4,239,15,133,244,56,139,44,252, - 234,43,44,194,15,128,244,55,255,252,242,15,16,4,252,234,252,242,65,15,92, - 4,199,255,221,4,252,234,65,220,36,199,255,252,242,65,15,16,4,199,252,242, - 15,92,4,252,234,255,65,221,4,199,220,36,252,234,255,252,242,15,16,4,252,234, - 252,242,15,92,4,194,255,221,4,252,234,220,36,194,255,129,124,253,252,234, - 4,239,15,133,244,51,65,129,124,253,199,4,239,15,133,244,51,139,44,252,234, - 65,15,175,44,199,15,128,244,50,255,129,124,253,252,234,4,239,15,133,244,53, - 65,129,124,253,199,4,239,15,133,244,53,65,139,4,199,15,175,4,252,234,15,128, - 244,52,255,129,124,253,252,234,4,239,15,133,244,56,129,124,253,194,4,239, - 15,133,244,56,139,44,252,234,15,175,44,194,15,128,244,55,255,252,242,15,16, - 4,252,234,252,242,65,15,89,4,199,255,221,4,252,234,65,220,12,199,255,252, - 242,65,15,16,4,199,252,242,15,89,4,252,234,255,65,221,4,199,220,12,252,234, - 255,252,242,15,16,4,252,234,252,242,15,89,4,194,255,221,4,252,234,220,12, - 194,255,252,242,15,16,4,252,234,252,242,65,15,94,4,199,255,221,4,252,234, - 65,220,52,199,255,252,242,65,15,16,4,199,252,242,15,94,4,252,234,255,65,221, - 4,199,220,52,252,234,255,252,242,15,16,4,252,234,252,242,15,94,4,194,255, - 221,4,252,234,220,52,194,255,252,242,15,16,4,252,234,252,242,65,15,16,12, - 199,255,221,4,252,234,65,221,4,199,255,252,242,65,15,16,4,199,252,242,15, - 16,12,252,234,255,65,221,4,199,221,4,252,234,255,252,242,15,16,4,252,234, - 252,242,15,16,12,194,255,221,4,252,234,221,4,194,255,248,168,232,244,157, - 255,252,233,244,168,255,232,244,117,255,15,182,252,236,15,182,192,139,124, - 36,24,137,151,233,141,52,194,137,194,41,252,234,248,36,137,252,253,137,92, - 36,28,232,251,1,29,139,149,233,133,192,15,133,244,45,15,182,107,252,255,15, - 182,75,252,253,72,139,4,252,234,72,137,4,202,139,3,15,182,204,15,182,232, - 131,195,4,193,232,16,65,252,255,36,252,238,255,72,252,247,208,65,139,4,135, - 199,68,202,4,237,137,4,202,139,3,15,182,204,15,182,232,131,195,4,193,232, - 16,65,252,255,36,252,238,255,15,191,192,199,68,202,4,237,137,4,202,255,15, - 191,192,252,242,15,42,192,252,242,15,17,4,202,255,223,67,252,254,221,28,202, - 255,252,242,65,15,16,4,199,252,242,15,17,4,202,255,65,221,4,199,221,28,202, - 255,72,252,247,208,137,68,202,4,139,3,15,182,204,15,182,232,131,195,4,193, - 232,16,65,252,255,36,252,238,255,141,76,202,12,141,68,194,4,189,237,137,105, - 252,248,248,1,137,41,131,193,8,57,193,15,134,244,1,139,3,15,182,204,15,182, - 232,131,195,4,193,232,16,65,252,255,36,252,238,255,139,106,252,248,139,172, - 253,133,233,139,173,233,72,139,69,0,72,137,4,202,139,3,15,182,204,15,182, - 232,131,195,4,193,232,16,65,252,255,36,252,238,255,139,106,252,248,139,172, - 253,141,233,128,189,233,0,139,173,233,139,12,194,139,68,194,4,137,77,0,137, - 69,4,15,132,244,247,252,246,133,233,235,15,133,244,248,248,1,139,3,15,182, - 204,15,182,232,131,195,4,193,232,16,65,252,255,36,252,238,248,2,129,232,239, - 129,252,248,239,15,134,244,1,252,246,129,233,235,15,132,244,1,137,252,238, - 137,213,65,141,190,233,255,232,251,1,30,137,252,234,252,233,244,1,255,72, - 252,247,208,139,106,252,248,139,172,253,141,233,65,139,12,135,139,133,233, - 137,8,199,64,4,237,252,246,133,233,235,15,133,244,248,248,1,139,3,15,182, - 204,15,182,232,131,195,4,193,232,16,65,252,255,36,252,238,248,2,252,246,129, - 233,235,15,132,244,1,128,189,233,0,15,132,244,1,137,213,137,198,65,141,190, - 233,232,251,1,30,137,252,234,252,233,244,1,255,139,106,252,248,255,252,242, - 65,15,16,4,199,255,139,172,253,141,233,139,141,233,255,252,242,15,17,1,255, - 221,25,255,72,252,247,208,139,106,252,248,139,172,253,141,233,139,141,233, - 137,65,4,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36,252, - 238,255,141,156,253,131,233,139,108,36,24,131,189,233,0,15,132,244,247,137, - 149,233,141,52,202,137,252,239,232,251,1,31,139,149,233,248,1,139,3,15,182, - 204,15,182,232,131,195,4,193,232,16,65,252,255,36,252,238,255,72,252,247, - 208,139,108,36,24,137,149,233,139,82,252,248,65,139,52,135,137,252,239,137, - 92,36,28,232,251,1,32,139,149,233,15,182,75,252,253,137,4,202,199,68,202, - 4,237,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36,252, - 238,255,139,108,36,24,137,149,233,65,139,142,233,65,59,142,233,137,92,36, - 28,15,131,244,251,248,1,137,194,37,252,255,7,0,0,193,252,234,11,61,252,255, - 7,0,0,15,132,244,249,248,2,137,252,239,137,198,232,251,1,33,139,149,233,15, - 182,75,252,253,137,4,202,199,68,202,4,237,139,3,15,182,204,15,182,232,131, - 195,4,193,232,16,65,252,255,36,252,238,248,3,184,1,8,0,0,252,233,244,2,248, - 5,137,252,239,232,251,1,34,15,183,67,252,254,252,233,244,1,255,72,252,247, - 208,139,108,36,24,65,139,142,233,137,92,36,28,65,59,142,233,137,149,233,15, - 131,244,249,248,2,65,139,52,135,137,252,239,232,251,1,35,139,149,233,15,182, - 75,252,253,137,4,202,199,68,202,4,237,139,3,15,182,204,15,182,232,131,195, - 4,193,232,16,65,252,255,36,252,238,248,3,137,252,239,232,251,1,34,15,183, - 67,252,254,72,252,247,208,252,233,244,2,255,72,252,247,208,139,106,252,248, - 139,173,233,65,139,4,135,252,233,244,169,255,72,252,247,208,139,106,252,248, - 139,173,233,65,139,4,135,252,233,244,170,255,15,182,252,236,15,182,192,129, - 124,253,252,234,4,239,15,133,244,39,139,44,252,234,255,129,124,253,194,4, - 239,15,133,244,251,139,4,194,255,129,124,253,194,4,239,15,131,244,251,255, - 252,242,15,16,4,194,252,242,15,45,192,252,242,15,42,200,102,15,46,193,255, - 15,133,244,39,255,59,133,233,15,131,244,39,193,224,3,3,133,233,129,120,253, - 4,239,15,132,244,248,72,139,40,72,137,44,202,248,1,139,3,15,182,204,15,182, - 232,131,195,4,193,232,16,65,252,255,36,252,238,248,2,131,189,233,0,15,132, - 244,249,139,141,233,252,246,129,233,235,15,132,244,39,15,182,75,252,253,248, - 3,199,68,202,4,237,252,233,244,1,248,5,255,129,124,253,194,4,239,15,133,244, - 39,139,4,194,252,233,244,169,255,15,182,252,236,15,182,192,72,252,247,208, - 65,139,4,135,129,124,253,252,234,4,239,15,133,244,37,139,44,252,234,248,169, - 139,141,233,35,136,233,105,201,239,3,141,233,248,1,129,185,233,239,15,133, - 244,250,57,129,233,15,133,244,250,129,121,253,4,239,15,132,244,251,15,182, - 67,252,253,72,139,41,72,137,44,194,248,2,255,139,3,15,182,204,15,182,232, - 131,195,4,193,232,16,65,252,255,36,252,238,248,3,15,182,67,252,253,199,68, - 194,4,237,252,233,244,2,248,4,139,137,233,133,201,15,133,244,1,248,5,139, - 141,233,133,201,15,132,244,3,252,246,129,233,235,15,133,244,3,252,233,244, - 37,255,15,182,252,236,15,182,192,129,124,253,252,234,4,239,15,133,244,38, - 139,44,252,234,59,133,233,15,131,244,38,193,224,3,3,133,233,129,120,253,4, - 239,15,132,244,248,72,139,40,72,137,44,202,248,1,139,3,15,182,204,15,182, - 232,131,195,4,193,232,16,65,252,255,36,252,238,248,2,131,189,233,0,15,132, - 244,249,139,141,233,252,246,129,233,235,15,132,244,38,255,15,182,75,252,253, - 248,3,199,68,202,4,237,252,233,244,1,255,15,182,252,236,15,182,192,129,124, - 253,252,234,4,239,15,133,244,42,139,44,252,234,255,15,133,244,42,255,59,133, - 233,15,131,244,42,193,224,3,3,133,233,129,120,253,4,239,15,132,244,249,248, - 1,252,246,133,233,235,15,133,244,253,248,2,72,139,44,202,72,137,40,139,3, - 15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36,252,238,248,3,131, - 189,233,0,15,132,244,1,139,141,233,252,246,129,233,235,255,15,132,244,42, - 15,182,75,252,253,252,233,244,1,248,5,129,124,253,194,4,239,15,133,244,42, - 139,4,194,252,233,244,170,248,7,128,165,233,235,65,139,142,233,65,137,174, - 233,137,141,233,15,182,75,252,253,252,233,244,2,255,15,182,252,236,15,182, - 192,72,252,247,208,65,139,4,135,129,124,253,252,234,4,239,15,133,244,40,139, - 44,252,234,248,170,139,141,233,35,136,233,105,201,239,198,133,233,0,3,141, - 233,248,1,129,185,233,239,15,133,244,251,57,129,233,15,133,244,251,129,121, - 253,4,239,15,132,244,250,248,2,255,252,246,133,233,235,15,133,244,253,248, - 3,15,182,67,252,253,72,139,44,194,72,137,41,139,3,15,182,204,15,182,232,131, - 195,4,193,232,16,65,252,255,36,252,238,248,4,131,189,233,0,15,132,244,2,137, - 12,36,139,141,233,252,246,129,233,235,15,132,244,40,139,12,36,252,233,244, - 2,248,5,139,137,233,133,201,15,133,244,1,255,139,141,233,133,201,15,132,244, - 252,252,246,129,233,235,15,132,244,40,248,6,137,4,36,199,68,36,4,237,137, - 108,36,8,139,124,36,24,137,151,233,72,141,20,36,137,252,238,137,252,253,137, - 92,36,28,232,251,1,36,139,149,233,139,108,36,8,137,193,252,233,244,2,248, - 7,128,165,233,235,65,139,134,233,65,137,174,233,137,133,233,252,233,244,3, - 255,15,182,252,236,15,182,192,129,124,253,252,234,4,239,15,133,244,41,139, - 44,252,234,59,133,233,15,131,244,41,193,224,3,3,133,233,129,120,253,4,239, - 15,132,244,249,248,1,252,246,133,233,235,15,133,244,253,248,2,72,139,12,202, - 72,137,8,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36,252, - 238,248,3,131,189,233,0,15,132,244,1,255,139,141,233,252,246,129,233,235, - 15,132,244,41,15,182,75,252,253,252,233,244,1,248,7,128,165,233,235,65,139, - 142,233,65,137,174,233,137,141,233,15,182,75,252,253,252,233,244,2,255,68, - 137,60,36,69,139,60,199,248,1,141,12,202,139,105,252,248,252,246,133,233, - 235,15,133,244,253,248,2,139,68,36,4,131,232,1,15,132,244,250,68,1,252,248, - 59,133,233,15,135,244,251,68,41,252,248,65,193,231,3,68,3,189,233,248,3,72, - 139,41,131,193,8,73,137,47,65,131,199,8,131,232,1,15,133,244,3,248,4,68,139, - 60,36,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36,252, - 238,248,5,139,124,36,24,137,151,233,137,252,238,137,194,137,252,253,137,92, - 36,28,232,251,1,37,139,149,233,15,182,75,252,253,252,233,244,1,248,7,255, - 128,165,233,235,65,139,134,233,65,137,174,233,137,133,233,252,233,244,2,255, - 3,68,36,4,255,129,124,253,202,4,239,139,44,202,15,133,244,59,141,84,202,8, - 137,90,252,252,139,157,233,139,11,15,182,252,233,15,182,205,131,195,4,65, - 252,255,36,252,238,255,141,76,202,8,65,137,215,139,105,252,248,129,121,253, - 252,252,239,15,133,244,29,248,60,139,90,252,252,252,247,195,237,15,133,244, - 253,248,1,137,106,252,248,137,68,36,4,131,232,1,15,132,244,249,248,2,72,139, - 41,131,193,8,73,137,47,65,131,199,8,131,232,1,15,133,244,2,139,106,252,248, - 248,3,139,68,36,4,128,189,233,1,15,135,244,251,248,4,139,157,233,139,11,15, - 182,252,233,15,182,205,131,195,4,65,252,255,36,252,238,248,5,255,252,247, - 195,237,15,133,244,4,15,182,75,252,253,72,252,247,209,141,12,202,68,139,121, - 252,248,69,139,191,233,69,139,191,233,252,233,244,4,248,7,129,252,235,239, - 252,247,195,237,15,133,244,254,41,218,65,137,215,139,90,252,252,252,233,244, - 1,248,8,129,195,239,252,233,244,1,255,141,76,202,8,72,139,105,232,72,139, - 65,252,240,72,137,41,72,137,65,8,139,105,224,139,65,228,137,105,252,248,137, - 65,252,252,129,252,248,239,184,237,15,133,244,29,137,202,137,90,252,252,139, - 157,233,139,11,15,182,252,233,15,182,205,131,195,4,65,252,255,36,252,238, - 255,68,137,60,36,68,137,116,36,4,139,108,202,252,240,139,68,202,252,248,68, - 139,181,233,131,195,4,68,139,189,233,248,1,68,57,252,240,15,131,244,251,65, - 129,124,253,199,4,239,15,132,244,250,255,219,68,202,252,248,255,73,139,44, - 199,72,137,108,202,8,131,192,1,255,137,68,202,252,248,248,2,15,183,67,252, - 254,141,156,253,131,233,248,3,68,139,116,36,4,68,139,60,36,139,3,15,182,204, - 15,182,232,131,195,4,193,232,16,65,252,255,36,252,238,248,4,131,192,1,255, - 137,68,202,252,248,255,252,233,244,1,248,5,68,41,252,240,248,6,59,133,233, - 15,135,244,3,68,105,252,248,239,68,3,189,233,65,129,191,233,239,15,132,244, - 253,70,141,116,48,1,73,139,175,233,73,139,135,233,72,137,44,202,72,137,68, - 202,8,68,137,116,202,252,248,252,233,244,2,248,7,131,192,1,252,233,244,6, - 255,129,124,253,202,252,236,239,15,133,244,251,139,108,202,232,129,124,253, - 202,252,244,239,15,133,244,251,129,124,253,202,252,252,239,15,133,244,251, - 128,189,233,235,15,133,244,251,141,156,253,131,233,199,68,202,252,248,0,0, - 0,0,248,1,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36, - 252,238,248,5,198,67,252,252,235,141,156,253,131,233,198,3,235,252,233,244, - 1,255,15,182,252,236,15,182,192,68,137,60,36,68,141,188,253,194,233,141,12, - 202,68,43,122,252,252,133,252,237,15,132,244,251,141,108,252,233,252,248, - 65,57,215,15,131,244,248,248,1,73,139,71,252,248,65,131,199,8,72,137,1,131, - 193,8,57,252,233,15,131,244,249,65,57,215,15,130,244,1,248,2,199,65,4,237, - 131,193,8,57,252,233,15,130,244,2,248,3,68,139,60,36,139,3,15,182,204,15, - 182,232,131,195,4,193,232,16,65,252,255,36,252,238,248,5,199,68,36,4,1,0, - 0,0,137,208,68,41,252,248,15,134,244,3,137,197,193,252,237,3,131,197,1,137, - 108,36,4,139,108,36,24,1,200,59,133,233,15,135,244,253,248,6,255,73,139,71, - 252,248,65,131,199,8,72,137,1,131,193,8,65,57,215,15,130,244,6,252,233,244, - 3,248,7,137,149,233,137,141,233,137,92,36,28,65,41,215,139,116,36,4,131,252, - 238,1,137,252,239,232,251,1,0,139,149,233,139,141,233,65,1,215,252,233,244, - 6,255,193,225,3,255,248,1,139,90,252,252,137,68,36,4,252,247,195,237,15,133, - 244,253,255,248,13,65,137,215,131,232,1,15,132,244,249,248,2,73,139,44,15, - 73,137,111,252,248,65,131,199,8,131,232,1,15,133,244,2,248,3,139,68,36,4, - 15,182,107,252,255,248,5,57,197,15,135,244,252,255,72,139,44,10,72,137,106, - 252,248,255,248,5,56,67,252,255,15,135,244,252,255,15,182,75,252,253,72,252, - 247,209,141,20,202,68,139,122,252,248,69,139,191,233,69,139,191,233,139,3, - 15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36,252,238,248,6,255, - 65,199,71,252,252,237,65,131,199,8,255,199,68,194,252,244,237,255,131,192, - 1,252,233,244,5,248,7,141,171,233,252,247,197,237,15,133,244,14,41,252,234, - 255,1,252,233,255,137,221,209,252,237,129,229,239,102,65,129,172,253,46,233, - 238,15,130,244,149,255,141,12,202,255,129,121,253,4,239,15,133,244,255,255, - 129,121,253,12,239,15,133,244,61,129,121,253,20,239,15,133,244,61,139,41, - 131,121,16,0,15,140,244,251,255,129,121,253,12,239,15,133,244,165,129,121, - 253,20,239,15,133,244,165,255,139,105,16,133,252,237,15,136,244,251,3,41, - 15,128,244,247,137,41,255,59,105,8,199,65,28,237,137,105,24,255,15,142,244, - 253,248,1,248,6,141,156,253,131,233,255,141,156,253,131,233,15,183,67,252, - 254,15,142,245,248,1,248,6,255,15,143,244,253,248,6,141,156,253,131,233,248, - 1,255,248,7,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36, - 252,238,248,5,255,3,41,15,128,244,1,137,41,255,15,141,244,7,255,141,156,253, - 131,233,15,183,67,252,254,15,141,245,255,15,140,244,7,255,252,233,244,6,248, - 9,255,129,121,253,4,239,255,15,131,244,61,129,121,253,12,239,15,131,244,61, - 255,129,121,253,12,239,15,131,244,165,129,121,253,20,239,15,131,244,165,255, - 139,105,20,255,129,252,253,239,15,131,244,61,255,252,242,15,16,1,252,242, - 15,16,73,8,255,252,242,15,88,65,16,252,242,15,17,1,133,252,237,15,136,244, - 249,255,15,140,244,249,255,102,15,46,200,248,1,252,242,15,17,65,24,255,221, - 65,8,221,1,255,220,65,16,221,17,221,81,24,133,252,237,15,136,244,247,255, - 221,81,24,15,140,244,247,255,217,201,248,1,255,15,183,67,252,254,255,15,131, - 244,7,255,15,131,244,248,141,156,253,131,233,255,141,156,253,131,233,15,183, - 67,252,254,15,131,245,255,15,130,244,7,255,15,130,244,248,141,156,253,131, - 233,255,248,3,102,15,46,193,252,233,244,1,255,141,12,202,139,105,4,129,252, - 253,239,15,132,244,247,255,137,105,252,252,139,41,137,105,252,248,252,233, - 245,255,141,156,253,131,233,139,1,137,105,252,252,137,65,252,248,255,65,139, - 142,233,139,4,129,72,139,128,233,139,108,36,24,65,137,150,233,65,137,174, - 233,76,137,36,36,76,137,108,36,8,72,131,252,236,16,252,255,224,255,141,156, - 253,131,233,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252,255,36, - 252,238,255,137,221,209,252,237,129,229,239,102,65,129,172,253,46,233,238, - 15,130,244,151,255,68,139,187,233,139,108,36,24,141,12,202,59,141,233,15, - 135,244,24,15,182,139,233,57,200,15,134,244,249,248,2,255,15,183,67,252,254, - 252,233,245,255,248,3,199,68,194,252,252,237,131,192,1,57,200,15,134,244, - 3,252,233,244,2,255,141,44,197,237,141,4,194,68,139,122,252,248,137,104,252, - 252,68,137,120,252,248,139,108,36,24,141,12,200,59,141,233,15,135,244,23, - 137,209,137,194,15,182,171,233,133,252,237,15,132,244,248,248,1,131,193,8, - 57,209,15,131,244,249,68,139,121,252,248,68,137,56,68,139,121,252,252,68, - 137,120,4,131,192,8,199,65,252,252,237,131,252,237,1,15,133,244,1,248,2,255, - 68,139,187,233,139,3,15,182,204,15,182,232,131,195,4,193,232,16,65,252,255, - 36,252,238,255,248,3,199,64,4,237,131,192,8,131,252,237,1,15,133,244,3,252, - 233,244,2,255,139,106,252,248,76,139,189,233,139,108,36,24,141,68,194,252, - 248,137,149,233,141,136,233,59,141,233,137,133,233,255,76,137,252,254,137, - 252,239,255,15,135,244,22,65,199,134,233,237,255,65,252,255,215,255,65,252, - 255,150,233,255,65,199,134,233,237,139,149,233,141,12,194,252,247,217,3,141, - 233,139,90,252,252,252,233,244,12,255,254,0 -}; - -enum { - GLOB_vm_returnp, - GLOB_cont_dispatch, - GLOB_vm_returnc, - GLOB_BC_RET_Z, - GLOB_vm_return, - GLOB_vm_leave_cp, - GLOB_vm_leave_unw, - GLOB_vm_unwind_c, - GLOB_vm_unwind_c_eh, - GLOB_vm_unwind_rethrow, - GLOB_vm_unwind_ff, - GLOB_vm_unwind_ff_eh, - GLOB_vm_growstack_c, - GLOB_vm_growstack_v, - GLOB_vm_growstack_f, - GLOB_vm_resume, - GLOB_vm_pcall, - GLOB_vm_call, - GLOB_vm_call_dispatch, - GLOB_vmeta_call, - GLOB_vm_call_dispatch_f, - GLOB_vm_cpcall, - GLOB_cont_ffi_callback, - GLOB_vm_call_tail, - GLOB_cont_cat, - GLOB_cont_ra, - GLOB_BC_CAT_Z, - GLOB_vmeta_tgets, - GLOB_vmeta_tgetb, - GLOB_vmeta_tgetv, - GLOB_vmeta_tsets, - GLOB_vmeta_tsetb, - GLOB_vmeta_tsetv, - GLOB_cont_nop, - GLOB_vmeta_comp, - GLOB_vmeta_binop, - GLOB_cont_condt, - GLOB_cont_condf, - GLOB_vmeta_equal, - GLOB_vmeta_equal_cd, - GLOB_vmeta_arith_vno, - GLOB_vmeta_arith_vn, - GLOB_vmeta_arith_nvo, - GLOB_vmeta_arith_nv, - GLOB_vmeta_unm, - GLOB_vmeta_arith_vvo, - GLOB_vmeta_arith_vv, - GLOB_vmeta_len, - GLOB_BC_LEN_Z, - GLOB_vmeta_call_ra, - GLOB_BC_CALLT_Z, - GLOB_vmeta_for, - GLOB_ff_assert, - GLOB_fff_fallback, - GLOB_fff_res_, - GLOB_ff_type, - GLOB_fff_res1, - GLOB_ff_getmetatable, - GLOB_ff_setmetatable, - GLOB_ff_rawget, - GLOB_ff_tonumber, - GLOB_fff_resi, - GLOB_fff_resxmm0, - GLOB_fff_resn, - GLOB_ff_tostring, - GLOB_fff_gcstep, - GLOB_ff_next, - GLOB_fff_res2, - GLOB_fff_res, - GLOB_ff_pairs, - GLOB_ff_ipairs_aux, - GLOB_fff_res0, - GLOB_ff_ipairs, - GLOB_ff_pcall, - GLOB_ff_xpcall, - GLOB_ff_coroutine_resume, - GLOB_ff_coroutine_wrap_aux, - GLOB_ff_coroutine_yield, - GLOB_ff_math_abs, - GLOB_fff_resbit, - GLOB_ff_math_floor, - GLOB_vm_floor, - GLOB_ff_math_ceil, - GLOB_vm_ceil, - GLOB_ff_math_sqrt, - GLOB_ff_math_log, - GLOB_ff_math_log10, - GLOB_ff_math_exp, - GLOB_vm_exp_x87, - GLOB_ff_math_sin, - GLOB_ff_math_cos, - GLOB_ff_math_tan, - GLOB_ff_math_asin, - GLOB_ff_math_acos, - GLOB_ff_math_atan, - GLOB_ff_math_sinh, - GLOB_ff_math_cosh, - GLOB_ff_math_tanh, - GLOB_ff_math_deg, - GLOB_ff_math_rad, - GLOB_ff_math_atan2, - GLOB_ff_math_ldexp, - GLOB_ff_math_frexp, - GLOB_ff_math_modf, - GLOB_vm_trunc, - GLOB_ff_math_fmod, - GLOB_ff_math_pow, - GLOB_vm_pow, - GLOB_ff_math_min, - GLOB_ff_math_max, - GLOB_ff_string_len, - GLOB_ff_string_byte, - GLOB_ff_string_char, - GLOB_fff_newstr, - GLOB_ff_string_sub, - GLOB_fff_emptystr, - GLOB_ff_string_rep, - GLOB_fff_fallback_2, - GLOB_ff_string_reverse, - GLOB_fff_fallback_1, - GLOB_ff_string_lower, - GLOB_ff_string_upper, - GLOB_ff_table_getn, - GLOB_ff_bit_tobit, - GLOB_ff_bit_band, - GLOB_fff_fallback_bit_op, - GLOB_ff_bit_bor, - GLOB_ff_bit_bxor, - GLOB_ff_bit_bswap, - GLOB_ff_bit_bnot, - GLOB_ff_bit_lshift, - GLOB_ff_bit_rshift, - GLOB_ff_bit_arshift, - GLOB_ff_bit_rol, - GLOB_ff_bit_ror, - GLOB_vm_record, - GLOB_vm_rethook, - GLOB_vm_inshook, - GLOB_cont_hook, - GLOB_vm_hotloop, - GLOB_vm_callhook, - GLOB_vm_hotcall, - GLOB_vm_exit_handler, - GLOB_vm_exit_interp, - GLOB_vm_floor_sse, - GLOB_vm_ceil_sse, - GLOB_vm_trunc_sse, - GLOB_vm_mod, - GLOB_vm_exp2_x87, - GLOB_vm_exp2raw, - GLOB_vm_pow_sse, - GLOB_vm_powi_sse, - GLOB_vm_foldfpm, - GLOB_vm_foldarith, - GLOB_vm_cpuid, - GLOB_assert_bad_for_arg_type, - GLOB_vm_ffi_callback, - GLOB_vm_ffi_call, - GLOB_BC_MODVN_Z, - GLOB_BC_TGETS_Z, - GLOB_BC_TSETS_Z, - GLOB__MAX -}; -static const char *const globnames[] = { - "vm_returnp", - "cont_dispatch", - "vm_returnc", - "BC_RET_Z", - "vm_return", - "vm_leave_cp", - "vm_leave_unw", - "vm_unwind_c@8", - "vm_unwind_c_eh", - "vm_unwind_rethrow", - "vm_unwind_ff@4", - "vm_unwind_ff_eh", - "vm_growstack_c", - "vm_growstack_v", - "vm_growstack_f", - "vm_resume", - "vm_pcall", - "vm_call", - "vm_call_dispatch", - "vmeta_call", - "vm_call_dispatch_f", - "vm_cpcall", - "cont_ffi_callback", - "vm_call_tail", - "cont_cat", - "cont_ra", - "BC_CAT_Z", - "vmeta_tgets", - "vmeta_tgetb", - "vmeta_tgetv", - "vmeta_tsets", - "vmeta_tsetb", - "vmeta_tsetv", - "cont_nop", - "vmeta_comp", - "vmeta_binop", - "cont_condt", - "cont_condf", - "vmeta_equal", - "vmeta_equal_cd", - "vmeta_arith_vno", - "vmeta_arith_vn", - "vmeta_arith_nvo", - "vmeta_arith_nv", - "vmeta_unm", - "vmeta_arith_vvo", - "vmeta_arith_vv", - "vmeta_len", - "BC_LEN_Z", - "vmeta_call_ra", - "BC_CALLT_Z", - "vmeta_for", - "ff_assert", - "fff_fallback", - "fff_res_", - "ff_type", - "fff_res1", - "ff_getmetatable", - "ff_setmetatable", - "ff_rawget", - "ff_tonumber", - "fff_resi", - "fff_resxmm0", - "fff_resn", - "ff_tostring", - "fff_gcstep", - "ff_next", - "fff_res2", - "fff_res", - "ff_pairs", - "ff_ipairs_aux", - "fff_res0", - "ff_ipairs", - "ff_pcall", - "ff_xpcall", - "ff_coroutine_resume", - "ff_coroutine_wrap_aux", - "ff_coroutine_yield", - "ff_math_abs", - "fff_resbit", - "ff_math_floor", - "vm_floor", - "ff_math_ceil", - "vm_ceil", - "ff_math_sqrt", - "ff_math_log", - "ff_math_log10", - "ff_math_exp", - "vm_exp_x87", - "ff_math_sin", - "ff_math_cos", - "ff_math_tan", - "ff_math_asin", - "ff_math_acos", - "ff_math_atan", - "ff_math_sinh", - "ff_math_cosh", - "ff_math_tanh", - "ff_math_deg", - "ff_math_rad", - "ff_math_atan2", - "ff_math_ldexp", - "ff_math_frexp", - "ff_math_modf", - "vm_trunc", - "ff_math_fmod", - "ff_math_pow", - "vm_pow", - "ff_math_min", - "ff_math_max", - "ff_string_len", - "ff_string_byte", - "ff_string_char", - "fff_newstr", - "ff_string_sub", - "fff_emptystr", - "ff_string_rep", - "fff_fallback_2", - "ff_string_reverse", - "fff_fallback_1", - "ff_string_lower", - "ff_string_upper", - "ff_table_getn", - "ff_bit_tobit", - "ff_bit_band", - "fff_fallback_bit_op", - "ff_bit_bor", - "ff_bit_bxor", - "ff_bit_bswap", - "ff_bit_bnot", - "ff_bit_lshift", - "ff_bit_rshift", - "ff_bit_arshift", - "ff_bit_rol", - "ff_bit_ror", - "vm_record", - "vm_rethook", - "vm_inshook", - "cont_hook", - "vm_hotloop", - "vm_callhook", - "vm_hotcall", - "vm_exit_handler", - "vm_exit_interp", - "vm_floor_sse", - "vm_ceil_sse", - "vm_trunc_sse", - "vm_mod", - "vm_exp2_x87", - "vm_exp2raw", - "vm_pow_sse", - "vm_powi_sse", - "vm_foldfpm", - "vm_foldarith", - "vm_cpuid", - "assert_bad_for_arg_type", - "vm_ffi_callback", - "vm_ffi_call@4", - "BC_MODVN_Z", - "BC_TGETS_Z", - "BC_TSETS_Z", - (const char *)0 -}; -static const char *const extnames[] = { - "lj_state_growstack@8", - "lj_err_throw@8", - "lj_meta_tget", - "lj_meta_tset", - "lj_meta_comp", - "lj_meta_equal", - "lj_meta_equal_cd@8", - "lj_meta_arith", - "lj_meta_len@8", - "lj_meta_call", - "lj_meta_for@8", - "lj_tab_get", - "lj_str_fromnumber@8", - "lj_str_fromnum@8", - "lj_tab_next", - "lj_tab_getinth@8", - "lj_ffh_coroutine_wrap_err@8", - "lj_vm_sinh", - "lj_vm_cosh", - "lj_vm_tanh", - "lj_str_new", - "lj_tab_len@4", - "lj_gc_step@4", - "lj_dispatch_ins@8", - "lj_trace_hot@8", - "lj_dispatch_call@8", - "lj_trace_exit@8", - "lj_ccallback_enter@8", - "lj_ccallback_leave@8", - "lj_meta_cat", - "lj_gc_barrieruv@8", - "lj_func_closeuv@8", - "lj_func_newL_gc", - "lj_tab_new", - "lj_gc_step_fixtop@4", - "lj_tab_dup@8", - "lj_tab_newkey", - "lj_tab_reasize", - (const char *)0 -}; -#define Dt1(_V) (int)(ptrdiff_t)&(((lua_State *)0)_V) -#define Dt2(_V) (int)(ptrdiff_t)&(((global_State *)0)_V) -#define Dt3(_V) (int)(ptrdiff_t)&(((TValue *)0)_V) -#define Dt4(_V) (int)(ptrdiff_t)&(((GCobj *)0)_V) -#define Dt5(_V) (int)(ptrdiff_t)&(((GCstr *)0)_V) -#define Dt6(_V) (int)(ptrdiff_t)&(((GCtab *)0)_V) -#define Dt7(_V) (int)(ptrdiff_t)&(((GCfuncL *)0)_V) -#define Dt8(_V) (int)(ptrdiff_t)&(((GCfuncC *)0)_V) -#define Dt9(_V) (int)(ptrdiff_t)&(((GCproto *)0)_V) -#define DtA(_V) (int)(ptrdiff_t)&(((GCupval *)0)_V) -#define DtB(_V) (int)(ptrdiff_t)&(((Node *)0)_V) -#define DtC(_V) (int)(ptrdiff_t)&(((int *)0)_V) -#define DtD(_V) (int)(ptrdiff_t)&(((GCtrace *)0)_V) -#define DISPATCH_GL(field) (GG_DISP2G + (int)offsetof(global_State, field)) -#define DISPATCH_J(field) (GG_DISP2J + (int)offsetof(jit_State, field)) -#define PC2PROTO(field) ((int)offsetof(GCproto, field)-(int)sizeof(GCproto)) - -/* Generate subroutines used by opcodes and other parts of the VM. */ -/* The .code_sub section should be last to help static branch prediction. */ -static void build_subroutines(BuildCtx *ctx, int cmov, int sse) -{ - dasm_put(Dst, 0); - dasm_put(Dst, 2, FRAME_P, LJ_TTRUE, FRAME_TYPE, FRAME_C, FRAME_TYPE, DISPATCH_GL(vmstate), ~LJ_VMST_C); - dasm_put(Dst, 109, Dt1(->base), Dt1(->top), Dt1(->cframe), Dt1(->maxstack), LJ_TNIL); - dasm_put(Dst, 200, Dt1(->top), Dt1(->top), Dt1(->glref), Dt2(->vmstate), ~LJ_VMST_C, CFRAME_RAWMASK); - dasm_put(Dst, 302, 1+1, Dt1(->base), Dt1(->glref), GG_G2DISP, LJ_TFALSE, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, LUA_MINSTACK, -4+PC2PROTO(framesize), Dt1(->base)); - dasm_put(Dst, 385, Dt1(->top), Dt1(->base), Dt1(->top), Dt7(->pc), FRAME_CP, CFRAME_RESUME, Dt1(->glref), GG_G2DISP, Dt1(->cframe), Dt1(->status), DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->status), Dt1(->base), Dt1(->top), FRAME_TYPE); - dasm_put(Dst, 548, FRAME_CP, FRAME_C, Dt1(->cframe), Dt1(->cframe), Dt1(->glref), GG_G2DISP, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->base)); - dasm_put(Dst, 648, Dt1(->top), LJ_TFUNC, Dt7(->pc), Dt1(->stack), Dt1(->top), Dt1(->cframe), Dt1(->cframe), FRAME_CP, LJ_TNIL); -#if LJ_HASFFI - dasm_put(Dst, 813); -#endif - dasm_put(Dst, 822, 0); -#if LJ_HASFFI -#endif - dasm_put(Dst, 831, Dt7(->pc), PC2PROTO(k)); -#if LJ_HASFFI - dasm_put(Dst, 848); -#endif - dasm_put(Dst, 869, Dt1(->base), LJ_TSTR, BC_GGET, DISPATCH_GL(tmptv), LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 967, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 976); - } else { - } - dasm_put(Dst, 988, Dt1(->base), Dt1(->base), Dt1(->top), FRAME_CONT, 2+1, LJ_TSTR, BC_GSET); - dasm_put(Dst, 1134, DISPATCH_GL(tmptv), LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 967, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 976); - } else { - } - dasm_put(Dst, 1158, Dt1(->base), Dt1(->base), Dt1(->top), FRAME_CONT, 3+1, Dt1(->base), Dt1(->base)); - dasm_put(Dst, 1330, -BCBIAS_J*4, LJ_TISTRUECOND, LJ_TISTRUECOND, Dt1(->base)); - dasm_put(Dst, 1429); -#if LJ_HASFFI - dasm_put(Dst, 1449, Dt1(->base)); -#endif - dasm_put(Dst, 1480); -#if LJ_DUALNUM - dasm_put(Dst, 1483); -#endif - dasm_put(Dst, 1489); -#if LJ_DUALNUM - dasm_put(Dst, 961); -#endif - dasm_put(Dst, 1502); -#if LJ_DUALNUM - dasm_put(Dst, 1483); -#endif - dasm_put(Dst, 1531, Dt1(->base), Dt1(->base), FRAME_CONT, 2+1, Dt1(->base), Dt1(->base)); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 1633); -#else - dasm_put(Dst, 1652); -#endif - dasm_put(Dst, 1657, Dt1(->base), Dt1(->base), Dt7(->pc), Dt1(->base), Dt1(->base), GG_DISP2STATIC, 1+1, LJ_TISTRUECOND); - dasm_put(Dst, 1843, 1+1, ~LJ_TNUMX); - if (cmov) { - dasm_put(Dst, 1912); - } else { - dasm_put(Dst, 1916); - } - dasm_put(Dst, 1925, ((char *)(&((GCfuncC *)0)->upvalue)), LJ_TSTR, ~LJ_TLIGHTUD, 1+1, LJ_TTAB, Dt6(->metatable), LJ_TNIL); - dasm_put(Dst, 2004, DISPATCH_GL(gcroot)+4*(GCROOT_MMNAME+MM_metatable), LJ_TTAB, Dt6(->hmask), Dt5(->hash), sizeof(Node), Dt6(->node), DtB(->key.it), LJ_TSTR, DtB(->key.gcr), DtB(->next)); - dasm_put(Dst, 2062, LJ_TNIL, LJ_TUDATA, LJ_TNUMX, LJ_TISNUM, LJ_TLIGHTUD); - dasm_put(Dst, 2128, LJ_TNUMX, DISPATCH_GL(gcroot[GCROOT_BASEMT]), 2+1, LJ_TTAB, Dt6(->metatable), LJ_TTAB, Dt6(->metatable), LJ_TTAB); - dasm_put(Dst, 2199, Dt6(->marked), LJ_GC_BLACK, Dt6(->marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist), 2+1, LJ_TTAB); - dasm_put(Dst, 2289, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 2303); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 2325); - } else { - dasm_put(Dst, 2335); - } - dasm_put(Dst, 2342, 1+1, LJ_TSTR, LJ_TSTR, LJ_TISNUM, DISPATCH_GL(gcroot[GCROOT_BASEMT_NUM]), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - dasm_put(Dst, 2411, Dt1(->base)); - if (LJ_DUALNUM) { - dasm_put(Dst, 2437); - } else { - dasm_put(Dst, 2442); - } - dasm_put(Dst, 2447, Dt1(->base), 1+1, LJ_TTAB, Dt1(->base), Dt1(->top), Dt1(->base), 1+2); - dasm_put(Dst, 2539, LJ_TNIL, LJ_TNIL, 1+1, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 2586, Dt6(->metatable)); -#endif - dasm_put(Dst, 2595, Dt8(->upvalue[0]), LJ_TFUNC, LJ_TNIL, 1+3, 1+1, LJ_TTAB, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 2581); - } else { - dasm_put(Dst, 2320); - } - dasm_put(Dst, 2650); - if (LJ_DUALNUM) { - dasm_put(Dst, 2655, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 2671, (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32)); - } else { - } - dasm_put(Dst, 2704, Dt6(->asize), Dt6(->array), LJ_TNIL, Dt6(->hmask), 1+0); - dasm_put(Dst, 2566, 1+1, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 2586, Dt6(->metatable)); -#endif - dasm_put(Dst, 2781, Dt8(->upvalue[0]), LJ_TFUNC); - if (LJ_DUALNUM) { - dasm_put(Dst, 2802, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 2814); - } else { - dasm_put(Dst, 2824); - } - dasm_put(Dst, 2831, 1+3, 1+1, 8+FRAME_PCALL, DISPATCH_GL(hookmask), HOOK_ACTIVE_SHIFT, 2+1, LJ_TFUNC); - dasm_put(Dst, 2896, LJ_TFUNC, 16+FRAME_PCALL, 1+1, LJ_TTHREAD, Dt1(->cframe), Dt1(->status), LUA_YIELD, Dt1(->top)); - dasm_put(Dst, 2985, Dt1(->base), Dt1(->maxstack), Dt1(->top), Dt1(->base), Dt1(->top), DISPATCH_GL(vmstate), ~LJ_VMST_INTERP); - dasm_put(Dst, 3072, Dt1(->base), LUA_YIELD, Dt1(->base), Dt1(->top), Dt1(->top), Dt1(->maxstack), LJ_TTRUE, FRAME_TYPE); - dasm_put(Dst, 3187, LJ_TFALSE, Dt1(->top), Dt1(->top), 1+2, Dt1(->top), Dt1(->base), Dt8(->upvalue[0].gcr), Dt1(->cframe)); - dasm_put(Dst, 3282, Dt1(->status), LUA_YIELD, Dt1(->top), Dt1(->base), Dt1(->maxstack), Dt1(->top), Dt1(->base), Dt1(->top)); - dasm_put(Dst, 3348, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->base), LUA_YIELD, Dt1(->base), Dt1(->top), Dt1(->top), Dt1(->maxstack)); - dasm_put(Dst, 3437, FRAME_TYPE, Dt1(->top), Dt1(->base), Dt1(->cframe), CFRAME_RESUME); - dasm_put(Dst, 3547, Dt1(->base), Dt1(->top), Dt1(->cframe), LUA_YIELD, Dt1(->status)); - if (!LJ_DUALNUM) { - dasm_put(Dst, 3574); - } - if (sse) { - dasm_put(Dst, 3577); - } - dasm_put(Dst, 3592, 1+1); - if (LJ_DUALNUM) { - dasm_put(Dst, 3603, LJ_TISNUM, LJ_TISNUM); - } else { - dasm_put(Dst, 3683, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 3693, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32)); - } else { - dasm_put(Dst, 3724); - } - dasm_put(Dst, 3741, 1+1, FRAME_TYPE, LJ_TNIL); - if (LJ_DUALNUM) { - dasm_put(Dst, 3838, LJ_TISNUM); - } else { - dasm_put(Dst, 3683, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 3860); - if (LJ_DUALNUM) { - dasm_put(Dst, 3869); - } - dasm_put(Dst, 2330); - } else { - dasm_put(Dst, 3903); - if (LJ_DUALNUM) { - } else { - dasm_put(Dst, 2337); - } - } - dasm_put(Dst, 3909); - if (LJ_DUALNUM) { - dasm_put(Dst, 3838, LJ_TISNUM); - } else { - dasm_put(Dst, 3683, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 3912); - if (LJ_DUALNUM) { - dasm_put(Dst, 3869); - } - dasm_put(Dst, 2330); - } else { - dasm_put(Dst, 3921); - if (LJ_DUALNUM) { - } else { - dasm_put(Dst, 2337); - } - } - if (sse) { - dasm_put(Dst, 3927, 1+1, LJ_TISNUM); - } else { - dasm_put(Dst, 3956, 1+1, LJ_TISNUM); - } - dasm_put(Dst, 3985, 1+1, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1); - dasm_put(Dst, 4054, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1); - dasm_put(Dst, 4111, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1); - dasm_put(Dst, 4174, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1, LJ_TISNUM); - dasm_put(Dst, 4264); - if (sse) { - dasm_put(Dst, 4276, 1+1, LJ_TISNUM); - } else { - } - dasm_put(Dst, 4301); - if (sse) { - dasm_put(Dst, 4315, 1+1, LJ_TISNUM); - } else { - } - dasm_put(Dst, 4340); - if (sse) { - dasm_put(Dst, 4354, 1+1, LJ_TISNUM); - } else { - } - dasm_put(Dst, 4379); - if (sse) { - dasm_put(Dst, 4395, 1+1, LJ_TISNUM, Dt8(->upvalue[0])); - } else { - dasm_put(Dst, 4434, 1+1, LJ_TISNUM, Dt8(->upvalue[0])); - } - dasm_put(Dst, 4467, 2+1, LJ_TISNUM, LJ_TISNUM, 2+1, LJ_TISNUM, LJ_TISNUM); - dasm_put(Dst, 4532, 1+1, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 4631); - } else { - dasm_put(Dst, 4637); - } - dasm_put(Dst, 4644); - if (sse) { - dasm_put(Dst, 4669); - } else { - dasm_put(Dst, 4675); - } - dasm_put(Dst, 4678, 1+2); - if (sse) { - dasm_put(Dst, 4687); - } else { - dasm_put(Dst, 4695); - } - dasm_put(Dst, 4703); - if (sse) { - dasm_put(Dst, 4706, (unsigned int)(U64x(43500000,00000000)), (unsigned int)((U64x(43500000,00000000))>>32)); - } else { - dasm_put(Dst, 4733); - } - dasm_put(Dst, 4750); - if (sse) { - dasm_put(Dst, 4766, 1+1, LJ_TISNUM); - } else { - dasm_put(Dst, 4791, 1+1, LJ_TISNUM); - } - dasm_put(Dst, 4813); - if (sse) { - dasm_put(Dst, 4835); - } else { - dasm_put(Dst, 4861); - } - dasm_put(Dst, 4878, 1+2); - if (sse) { - dasm_put(Dst, 4918); - } else { - dasm_put(Dst, 4926); - } - dasm_put(Dst, 4936, 2+1, LJ_TISNUM, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 4988, 2+1, LJ_TISNUM, LJ_TISNUM); - } else { - dasm_put(Dst, 5035, 2+1, LJ_TISNUM, LJ_TISNUM); - } - dasm_put(Dst, 5076, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5089, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 4631); - } else { - } - dasm_put(Dst, 5139); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 5150, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5171); - } else { - dasm_put(Dst, 2320); - } - dasm_put(Dst, 5192); - } else { - } - dasm_put(Dst, 5217, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5230, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 4631); - } else { - } - dasm_put(Dst, 5139); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 5150, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5171); - } else { - dasm_put(Dst, 2320); - } - dasm_put(Dst, 5280); - } else { - } - if (!sse) { - dasm_put(Dst, 5305); - } - dasm_put(Dst, 5314, 1+1, LJ_TSTR); - if (LJ_DUALNUM) { - dasm_put(Dst, 5336, Dt5(->len)); - } else if (sse) { - dasm_put(Dst, 5344, Dt5(->len)); - } else { - dasm_put(Dst, 5355, Dt5(->len)); - } - dasm_put(Dst, 5363, 1+1, LJ_TSTR, Dt5(->len), Dt5([1])); - if (LJ_DUALNUM) { - dasm_put(Dst, 5339); - } else if (sse) { - dasm_put(Dst, 5401); - } else { - dasm_put(Dst, 5411); - } - dasm_put(Dst, 5422, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5455); - } else if (sse) { - dasm_put(Dst, 5478); - } else { - dasm_put(Dst, 5504); - } - dasm_put(Dst, 5528, Dt1(->base), Dt1(->base), LJ_TSTR, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), 1+2, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5637); - } else if (sse) { - dasm_put(Dst, 5649); - } else { - dasm_put(Dst, 5664); - } - dasm_put(Dst, 5676, LJ_TSTR, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 2581); - } else { - dasm_put(Dst, 2320); - } - dasm_put(Dst, 5693, Dt5(->len)); - if (LJ_DUALNUM) { - dasm_put(Dst, 5703); - } else if (sse) { - dasm_put(Dst, 5707); - } else { - } - dasm_put(Dst, 5714, sizeof(GCstr)-1); - dasm_put(Dst, 5789, 2+1, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - dasm_put(Dst, 5850, LJ_TSTR, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5867); - } else if (sse) { - dasm_put(Dst, 5875); - } else { - dasm_put(Dst, 5886); - } - dasm_put(Dst, 5902, Dt5(->len), DISPATCH_GL(tmpbuf.sz), Dt5([1]), DISPATCH_GL(tmpbuf.buf), DISPATCH_GL(tmpbuf.buf), 1+1); - dasm_put(Dst, 5970, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf)); - dasm_put(Dst, 6037, 1+1, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz)); - dasm_put(Dst, 6110, sizeof(GCstr), DISPATCH_GL(tmpbuf.buf), 1+1); - dasm_put(Dst, 6195, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf)); - dasm_put(Dst, 6269, 1+1, LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 6336); - } else if (sse) { - dasm_put(Dst, 6343); - } else { - } - dasm_put(Dst, 6353, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6369); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 6386, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 106); - if (LJ_DUALNUM || sse) { - if (!sse) { - } - dasm_put(Dst, 6410); - } else { - } - dasm_put(Dst, 6415, 1+1); - if (sse) { - dasm_put(Dst, 6426, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - dasm_put(Dst, 6436); - } - dasm_put(Dst, 2297, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6444); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 6461); - } else { - } - dasm_put(Dst, 6476, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6501); - } else { - dasm_put(Dst, 6521); - } - if (sse) { - dasm_put(Dst, 6526); - } else { - } - dasm_put(Dst, 6543, 1+1); - if (sse) { - dasm_put(Dst, 6426, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - dasm_put(Dst, 6436); - } - dasm_put(Dst, 2297, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6444); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 6461); - } else { - } - dasm_put(Dst, 6476, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6561); - } else { - dasm_put(Dst, 6521); - } - if (sse) { - dasm_put(Dst, 6581); - } else { - } - dasm_put(Dst, 6598, 1+1); - if (sse) { - dasm_put(Dst, 6426, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - dasm_put(Dst, 6436); - } - dasm_put(Dst, 2297, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6444); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 6461); - } else { - } - dasm_put(Dst, 6476, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6616); - } else { - dasm_put(Dst, 6521); - } - if (sse) { - dasm_put(Dst, 6636); - } else { - } - dasm_put(Dst, 6653, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6444); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 6386, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6676, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6444); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 6386, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6700); - if (LJ_DUALNUM) { - dasm_put(Dst, 6410); - } else if (sse) { - dasm_put(Dst, 6706); - } else { - } - dasm_put(Dst, 6718); - if (LJ_DUALNUM) { - dasm_put(Dst, 6729, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6444); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 6386, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6745, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 6760, 2+1, LJ_TISNUM, LJ_TISNUM, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6827); - if (LJ_DUALNUM) { - dasm_put(Dst, 6834, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6444); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 6386, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6745, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 6850, 2+1, LJ_TISNUM, LJ_TISNUM, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6917); - if (LJ_DUALNUM) { - dasm_put(Dst, 6925, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6444); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 6386, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6745, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 6941, 2+1, LJ_TISNUM, LJ_TISNUM, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 7008); - if (LJ_DUALNUM) { - dasm_put(Dst, 7016, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6444); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 6386, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6745, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 7032, 2+1, LJ_TISNUM, LJ_TISNUM, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 7099); - if (LJ_DUALNUM) { - dasm_put(Dst, 7106, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6444); - } else { - dasm_put(Dst, 2320); - } - if (sse) { - dasm_put(Dst, 6386, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6745, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 7122, 2+1, LJ_TISNUM, LJ_TISNUM, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 7189, 1+2, 1+1, Dt1(->base), 8*LUA_MINSTACK, Dt1(->top), Dt1(->maxstack), Dt8(->f), Dt1(->base)); - dasm_put(Dst, 7265, Dt1(->top), Dt7(->pc), FRAME_TYPE, LUA_MINSTACK, Dt1(->base), Dt1(->base)); - dasm_put(Dst, 7392, Dt1(->top), Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 7431, DISPATCH_GL(hookmask), HOOK_VMEVENT, HOOK_ACTIVE, LUA_MASKLINE|LUA_MASKCOUNT, DISPATCH_GL(hookcount)); -#endif - dasm_put(Dst, 7464, DISPATCH_GL(hookmask), HOOK_ACTIVE, DISPATCH_GL(hookmask), HOOK_ACTIVE, LUA_MASKLINE|LUA_MASKCOUNT, DISPATCH_GL(hookcount), LUA_MASKLINE); - dasm_put(Dst, 7518, Dt1(->base), Dt1(->base), GG_DISP2STATIC); -#if LJ_HASJIT - dasm_put(Dst, 7585, Dt7(->pc), PC2PROTO(framesize), Dt1(->base), Dt1(->top), GG_DISP2J, DISPATCH_J(L)); -#endif - dasm_put(Dst, 7632); -#if LJ_HASJIT - dasm_put(Dst, 7459); -#endif - dasm_put(Dst, 7639); -#if LJ_HASJIT - dasm_put(Dst, 7642); -#endif - dasm_put(Dst, 7652, Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 7685); -#endif - dasm_put(Dst, 7690, Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 7721, DISPATCH_GL(vmstate), DISPATCH_GL(vmstate), ~LJ_VMST_EXIT, DISPATCH_J(exitno), DISPATCH_J(parent), 16*8, DISPATCH_GL(jit_L), DISPATCH_GL(jit_base), DISPATCH_J(L), DISPATCH_GL(jit_L), Dt1(->base), GG_DISP2J, Dt1(->cframe), CFRAME_RAWMASK, CFRAME_OFS_L, Dt1(->base), CFRAME_OFS_PC); -#endif - dasm_put(Dst, 7960); -#if LJ_HASJIT - dasm_put(Dst, 7963, Dt7(->pc), PC2PROTO(k), DISPATCH_GL(jit_L), DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, BC_FUNCF); -#endif - dasm_put(Dst, 8063); - if (!sse) { - dasm_put(Dst, 8066); - } - dasm_put(Dst, 8111, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32), (unsigned int)(U64x(43300000,00000000)), (unsigned int)((U64x(43300000,00000000))>>32), (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32)); - if (!sse) { - dasm_put(Dst, 8197); - } - dasm_put(Dst, 8242, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32), (unsigned int)(U64x(43300000,00000000)), (unsigned int)((U64x(43300000,00000000))>>32), (unsigned int)(U64x(bff00000,00000000)), (unsigned int)((U64x(bff00000,00000000))>>32)); - if (!sse) { - dasm_put(Dst, 8328); - } - dasm_put(Dst, 8367, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32), (unsigned int)(U64x(43300000,00000000)), (unsigned int)((U64x(43300000,00000000))>>32), (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32)); - if (sse) { - dasm_put(Dst, 8456, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32), (unsigned int)(U64x(43300000,00000000)), (unsigned int)((U64x(43300000,00000000))>>32), (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32)); - } else { - dasm_put(Dst, 8570); - } - dasm_put(Dst, 8617); - if (!sse) { - } else { - dasm_put(Dst, 8694); - } - dasm_put(Dst, 8697); - dasm_put(Dst, 8782, (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32), (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32)); - dasm_put(Dst, 8885, (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32), (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32), (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32), (unsigned int)(U64x(7ff00000,00000000)), (unsigned int)((U64x(7ff00000,00000000))>>32)); - dasm_put(Dst, 9047); -#if LJ_HASJIT - if (sse) { - dasm_put(Dst, 9088); - dasm_put(Dst, 9158); - dasm_put(Dst, 9230); - } else { - dasm_put(Dst, 9282); - dasm_put(Dst, 9374); - } - dasm_put(Dst, 9420); -#endif - dasm_put(Dst, 9424); - if (sse) { - dasm_put(Dst, 9427, (unsigned int)(U64x(80000000,00000000)), (unsigned int)((U64x(80000000,00000000))>>32)); - dasm_put(Dst, 9512, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32)); - } else { - dasm_put(Dst, 9640); - dasm_put(Dst, 9723); - if (cmov) { - dasm_put(Dst, 9778); - } else { - dasm_put(Dst, 9797); - } - dasm_put(Dst, 9420); - } - dasm_put(Dst, 9838); -#ifdef LUA_USE_ASSERT - dasm_put(Dst, 9422); -#endif - dasm_put(Dst, 9862); -#if LJ_HASFFI -#define DtE(_V) (int)(ptrdiff_t)&(((CTState *)0)_V) - dasm_put(Dst, 9866, GG_G2DISP, Dt2(->ctype_state), DtE(->cb.slot), DtE(->cb.gpr[0]), DtE(->cb.gpr[1]), DtE(->cb.gpr[2]), DtE(->cb.gpr[3]), DtE(->cb.fpr[0]), DtE(->cb.fpr[1]), DtE(->cb.fpr[2]), DtE(->cb.fpr[3]), CFRAME_SIZE, DtE(->cb.gpr[4]), DtE(->cb.gpr[5]), DtE(->cb.fpr[4]), DtE(->cb.fpr[5]), DtE(->cb.fpr[6]), DtE(->cb.fpr[7]), DtE(->cb.stack), DISPATCH_GL(vmstate), ~LJ_VMST_INTERP); - dasm_put(Dst, 9990, Dt1(->base), Dt1(->top), Dt7(->pc)); -#endif - dasm_put(Dst, 10030); -#if LJ_HASFFI - dasm_put(Dst, 10033, DISPATCH_GL(ctype_state), DtE(->L), Dt1(->base), Dt1(->top), DtE(->cb.gpr[0]), DtE(->cb.fpr[0])); -#endif - dasm_put(Dst, 10074); -#if LJ_HASFFI -#define DtF(_V) (int)(ptrdiff_t)&(((CCallState *)0)_V) - dasm_put(Dst, 10077, DtF(->spadj)); -#if LJ_TARGET_WINDOWS -#endif - dasm_put(Dst, 10093, DtF(->nsp), offsetof(CCallState, stack), CCALL_SPS_EXTRA*8, DtF(->nfpr), DtF(->gpr[0]), DtF(->gpr[1]), DtF(->gpr[2]), DtF(->gpr[3]), DtF(->gpr[4]), DtF(->gpr[5]), DtF(->fpr[0]), DtF(->fpr[1])); - dasm_put(Dst, 10172, DtF(->fpr[2]), DtF(->fpr[3]), DtF(->fpr[4]), DtF(->fpr[5]), DtF(->fpr[6]), DtF(->fpr[7]), DtF(->func), DtF(->gpr[0]), DtF(->fpr[0]), DtF(->gpr[1]), DtF(->fpr[1])); -#if LJ_TARGET_WINDOWS -#endif - dasm_put(Dst, 10227); -#endif -} - -/* Generate the code for a single instruction. */ -static void build_ins(BuildCtx *ctx, BCOp op, int defop, int cmov, int sse) -{ - int vk = 0; - dasm_put(Dst, 829, defop); - - switch (op) { - - /* -- Comparison ops ---------------------------------------------------- */ - - /* Remember: all ops branch for a true comparison, fall through otherwise. */ - - - case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: - if (LJ_DUALNUM) { - dasm_put(Dst, 10235, LJ_TISNUM, LJ_TISNUM); - switch (op) { - case BC_ISLT: - dasm_put(Dst, 10265); - break; - case BC_ISGE: - dasm_put(Dst, 10270); - break; - case BC_ISLE: - dasm_put(Dst, 10275); - break; - case BC_ISGT: - dasm_put(Dst, 10280); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 10285, -BCBIAS_J*4, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 10340); - } else { - dasm_put(Dst, 10351); - } - dasm_put(Dst, 10362); - if (sse) { - dasm_put(Dst, 10369); - switch (op) { - case BC_ISLT: - dasm_put(Dst, 10389); - break; - case BC_ISGE: - dasm_put(Dst, 10394); - break; - case BC_ISLE: - dasm_put(Dst, 10399); - break; - case BC_ISGT: - dasm_put(Dst, 10404); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 10409); - } else { - dasm_put(Dst, 10414); - } - } else { - dasm_put(Dst, 10422, LJ_TISNUM, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 10443); - } else { - dasm_put(Dst, 10464); - if (cmov) { - dasm_put(Dst, 10480); - } else { - dasm_put(Dst, 10486); - } - } - if (LJ_DUALNUM) { - switch (op) { - case BC_ISLT: - dasm_put(Dst, 10389); - break; - case BC_ISGE: - dasm_put(Dst, 10394); - break; - case BC_ISLE: - dasm_put(Dst, 10399); - break; - case BC_ISGT: - dasm_put(Dst, 10404); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 10409); - } else { - switch (op) { - case BC_ISLT: - dasm_put(Dst, 817); - break; - case BC_ISGE: - dasm_put(Dst, 10493); - break; - case BC_ISLE: - dasm_put(Dst, 10498); - break; - case BC_ISGT: - dasm_put(Dst, 10503); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 10508, -BCBIAS_J*4); - } - break; - - case BC_ISEQV: case BC_ISNEV: - vk = op == BC_ISEQV; - dasm_put(Dst, 10541); - if (LJ_DUALNUM) { - dasm_put(Dst, 10549, LJ_TISNUM, LJ_TISNUM); - if (vk) { - dasm_put(Dst, 10574); - } else { - dasm_put(Dst, 10579); - } - dasm_put(Dst, 10584, -BCBIAS_J*4, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 10637); - } else { - dasm_put(Dst, 10644); - } - dasm_put(Dst, 10648); - if (sse) { - dasm_put(Dst, 10659); - } else { - dasm_put(Dst, 10671); - } - dasm_put(Dst, 10678); - } else { - dasm_put(Dst, 10683, LJ_TISNUM, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 10702); - } else { - dasm_put(Dst, 10720); - if (cmov) { - dasm_put(Dst, 10480); - } else { - dasm_put(Dst, 10486); - } - } - iseqne_fp: - if (vk) { - dasm_put(Dst, 10733); - } else { - dasm_put(Dst, 10742); - } - iseqne_end: - if (vk) { - dasm_put(Dst, 10751, -BCBIAS_J*4); - if (!LJ_HASFFI) { - dasm_put(Dst, 4684); - } - } else { - if (!LJ_HASFFI) { - dasm_put(Dst, 4684); - } - dasm_put(Dst, 10766, -BCBIAS_J*4); - } - if (LJ_DUALNUM && (op == BC_ISEQV || op == BC_ISNEV || - op == BC_ISEQN || op == BC_ISNEN)) { - dasm_put(Dst, 10781); - } else { - dasm_put(Dst, 10520); - } - if (op == BC_ISEQV || op == BC_ISNEV) { - dasm_put(Dst, 10786); - if (LJ_HASFFI) { - dasm_put(Dst, 10789, LJ_TCDATA, LJ_TCDATA); - } - dasm_put(Dst, 10808, LJ_TISPRI, LJ_TISTABUD, LJ_TUDATA, Dt6(->metatable), Dt6(->nomm), 1<>32)); - } else { - dasm_put(Dst, 11412); - } - if (LJ_DUALNUM) { - dasm_put(Dst, 10781); - } else { - dasm_put(Dst, 10520); - } - break; - case BC_LEN: - dasm_put(Dst, 11421, LJ_TSTR); - if (LJ_DUALNUM) { - dasm_put(Dst, 11435, Dt5(->len), LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 11449, Dt5(->len)); - } else { - dasm_put(Dst, 11467, Dt5(->len)); - } - dasm_put(Dst, 11476, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 11512, Dt6(->metatable)); -#endif - dasm_put(Dst, 11526); - if (LJ_DUALNUM) { - } else if (sse) { - dasm_put(Dst, 11535); - } else { - } - dasm_put(Dst, 11541); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 11554, Dt6(->nomm), 1<base), Dt1(->base)); - break; - - /* -- Constant ops ------------------------------------------------------ */ - - case BC_KSTR: - dasm_put(Dst, 12415, LJ_TSTR); - break; - case BC_KCDATA: -#if LJ_HASFFI - dasm_put(Dst, 12415, LJ_TCDATA); -#endif - break; - case BC_KSHORT: - if (LJ_DUALNUM) { - dasm_put(Dst, 12452, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 12464); - } else { - dasm_put(Dst, 12479); - } - dasm_put(Dst, 10520); - break; - case BC_KNUM: - if (sse) { - dasm_put(Dst, 12487); - } else { - dasm_put(Dst, 12501); - } - dasm_put(Dst, 10520); - break; - case BC_KPRI: - dasm_put(Dst, 12509); - break; - case BC_KNIL: - dasm_put(Dst, 12538, LJ_TNIL); - break; - - /* -- Upvalue and function ops ------------------------------------------ */ - - case BC_UGET: - dasm_put(Dst, 12586, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_USETV: -#define TV2MARKOFS \ - ((int32_t)offsetof(GCupval, marked)-(int32_t)offsetof(GCupval, tv)) - dasm_put(Dst, 12627, offsetof(GCfuncL, uvptr), DtA(->closed), DtA(->v), TV2MARKOFS, LJ_GC_BLACK, LJ_TISGCV, LJ_TISNUM - LJ_TISGCV, Dt4(->gch.marked), LJ_GC_WHITES, GG_DISP2G); - dasm_put(Dst, 12723); - break; -#undef TV2MARKOFS - case BC_USETS: - dasm_put(Dst, 12735, offsetof(GCfuncL, uvptr), DtA(->v), LJ_TSTR, DtA(->marked), LJ_GC_BLACK, Dt4(->gch.marked), LJ_GC_WHITES, DtA(->closed), GG_DISP2G); - break; - case BC_USETN: - dasm_put(Dst, 12831); - if (sse) { - dasm_put(Dst, 12836); - } else { - dasm_put(Dst, 11052); - } - dasm_put(Dst, 12844, offsetof(GCfuncL, uvptr), DtA(->v)); - if (sse) { - dasm_put(Dst, 12853); - } else { - dasm_put(Dst, 12859); - } - dasm_put(Dst, 10520); - break; - case BC_USETP: - dasm_put(Dst, 12862, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_UCLO: - dasm_put(Dst, 12902, -BCBIAS_J*4, Dt1(->openupval), Dt1(->base), Dt1(->base)); - break; - - case BC_FNEW: - dasm_put(Dst, 12958, Dt1(->base), Dt1(->base), LJ_TFUNC); - break; - - /* -- Table ops --------------------------------------------------------- */ - - case BC_TNEW: - dasm_put(Dst, 13025, Dt1(->base), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), Dt1(->base), LJ_TTAB); - break; - case BC_TDUP: - dasm_put(Dst, 13149, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), Dt1(->base), Dt1(->base), LJ_TTAB); - break; - - case BC_GGET: - dasm_put(Dst, 13248, Dt7(->env)); - break; - case BC_GSET: - dasm_put(Dst, 13268, Dt7(->env)); - break; - - case BC_TGETV: - dasm_put(Dst, 13288, LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 13311, LJ_TISNUM); - } else { - dasm_put(Dst, 13325, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 13336); - } else { - } - dasm_put(Dst, 13357); - } - dasm_put(Dst, 13362, Dt6(->asize), Dt6(->array), LJ_TNIL, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<hmask), Dt5(->hash), sizeof(Node), Dt6(->node), DtB(->key.it), LJ_TSTR, DtB(->key.gcr), LJ_TNIL); - dasm_put(Dst, 13557, LJ_TNIL, DtB(->next), Dt6(->metatable), Dt6(->nomm), 1<asize), Dt6(->array), LJ_TNIL, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<asize), Dt6(->array), LJ_TNIL, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - case BC_TSETS: - dasm_put(Dst, 13910, LJ_TTAB, Dt6(->hmask), Dt5(->hash), sizeof(Node), Dt6(->nomm), Dt6(->node), DtB(->key.it), LJ_TSTR, DtB(->key.gcr), LJ_TNIL); - dasm_put(Dst, 13987, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<next)); - dasm_put(Dst, 14074, Dt6(->metatable), Dt6(->nomm), 1<base), Dt1(->base), Dt6(->marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - case BC_TSETB: - dasm_put(Dst, 14166, LJ_TTAB, Dt6(->asize), Dt6(->array), LJ_TNIL, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable)); - dasm_put(Dst, 14261, Dt6(->metatable), Dt6(->nomm), 1<marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - - case BC_TSETM: - dasm_put(Dst, 14309, Dt6(->marked), LJ_GC_BLACK, Dt6(->asize), Dt6(->array), Dt1(->base), Dt1(->base)); - dasm_put(Dst, 14459, Dt6(->marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - - /* -- Calls and vararg handling ----------------------------------------- */ - - case BC_CALL: case BC_CALLM: - dasm_put(Dst, 11574); - if (op == BC_CALLM) { - dasm_put(Dst, 14479); - } - dasm_put(Dst, 14484, LJ_TFUNC, Dt7(->pc)); - break; - - case BC_CALLMT: - dasm_put(Dst, 14479); - break; - case BC_CALLT: - dasm_put(Dst, 14527, LJ_TFUNC, FRAME_TYPE, Dt7(->ffid), Dt7(->pc)); - dasm_put(Dst, 14645, FRAME_TYPE, Dt7(->pc), PC2PROTO(k), FRAME_VARG, FRAME_TYPEP, FRAME_VARG); - break; - - case BC_ITERC: - dasm_put(Dst, 14719, LJ_TFUNC, 2+1, Dt7(->pc)); - break; - - case BC_ITERN: -#if LJ_HASJIT -#endif - dasm_put(Dst, 14791, Dt6(->asize), Dt6(->array), LJ_TNIL); - if (LJ_DUALNUM) { - dasm_put(Dst, 11440, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 11535); - } else { - dasm_put(Dst, 14843); - } - dasm_put(Dst, 14849); - if (LJ_DUALNUM) { - } else if (sse) { - dasm_put(Dst, 11405); - } else { - dasm_put(Dst, 11417); - } - dasm_put(Dst, 14862, -BCBIAS_J*4); - if (!LJ_DUALNUM && !sse) { - dasm_put(Dst, 14916); - } - dasm_put(Dst, 14922, Dt6(->hmask), sizeof(Node), Dt6(->node), DtB(->val.it), LJ_TNIL, DtB(->key), DtB(->val)); - break; - - case BC_ISNEXT: - dasm_put(Dst, 15001, LJ_TFUNC, LJ_TTAB, LJ_TNIL, Dt8(->ffid), FF_next_N, -BCBIAS_J*4, BC_JMP, -BCBIAS_J*4, BC_ITERC); - break; - - case BC_VARG: - dasm_put(Dst, 15102, (8+FRAME_VARG), LJ_TNIL, Dt1(->maxstack)); - dasm_put(Dst, 15269, Dt1(->base), Dt1(->top), Dt1(->base), Dt1(->top)); - break; - - /* -- Returns ----------------------------------------------------------- */ - - case BC_RETM: - dasm_put(Dst, 14479); - break; - - case BC_RET: case BC_RET0: case BC_RET1: - if (op != BC_RET0) { - dasm_put(Dst, 15339); - } - dasm_put(Dst, 15343, FRAME_TYPE); - switch (op) { - case BC_RET: - dasm_put(Dst, 15362); - break; - case BC_RET1: - dasm_put(Dst, 15416); - /* fallthrough */ - case BC_RET0: - dasm_put(Dst, 15426); - default: - break; - } - dasm_put(Dst, 15437, Dt7(->pc), PC2PROTO(k)); - if (op == BC_RET) { - dasm_put(Dst, 15485, LJ_TNIL); - } else { - dasm_put(Dst, 15496, LJ_TNIL); - } - dasm_put(Dst, 15503, -FRAME_VARG, FRAME_TYPEP); - if (op != BC_RET0) { - dasm_put(Dst, 15527); - } - dasm_put(Dst, 4761); - break; - - /* -- Loops and branches ------------------------------------------------ */ - - - case BC_FORL: -#if LJ_HASJIT - dasm_put(Dst, 15531, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_JFORI: - case BC_JFORL: -#if !LJ_HASJIT - break; -#endif - case BC_FORI: - case BC_IFORL: - vk = (op == BC_IFORL || op == BC_JFORL); - dasm_put(Dst, 15552); - if (LJ_DUALNUM) { - dasm_put(Dst, 15556, LJ_TISNUM); - if (!vk) { - dasm_put(Dst, 15566, LJ_TISNUM, LJ_TISNUM); - } else { -#ifdef LUA_USE_ASSERT - dasm_put(Dst, 15595, LJ_TISNUM, LJ_TISNUM); -#endif - dasm_put(Dst, 15614); - } - dasm_put(Dst, 15633, LJ_TISNUM); - if (op == BC_FORI) { - dasm_put(Dst, 15644, -BCBIAS_J*4); - } else if (op == BC_JFORI) { - dasm_put(Dst, 15658, -BCBIAS_J*4, BC_JLOOP); - } else if (op == BC_IFORL) { - dasm_put(Dst, 15676, -BCBIAS_J*4); - } else { - dasm_put(Dst, 15668, BC_JLOOP); - } - dasm_put(Dst, 15690); - if (vk) { - dasm_put(Dst, 15715); - } - dasm_put(Dst, 15633, LJ_TISNUM); - if (op == BC_FORI) { - dasm_put(Dst, 15724); - } else if (op == BC_JFORI) { - dasm_put(Dst, 15729, -BCBIAS_J*4, BC_JLOOP); - } else if (op == BC_IFORL) { - dasm_put(Dst, 15743); - } else { - dasm_put(Dst, 15739, BC_JLOOP); - } - dasm_put(Dst, 15748); - } else if (!vk) { - dasm_put(Dst, 15755, LJ_TISNUM); - } - if (!vk) { - dasm_put(Dst, 15761, LJ_TISNUM); - } else { -#ifdef LUA_USE_ASSERT - dasm_put(Dst, 15775, LJ_TISNUM, LJ_TISNUM); -#endif - } - dasm_put(Dst, 15794); - if (!vk) { - dasm_put(Dst, 15798, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 15807); - if (vk) { - dasm_put(Dst, 15819); - } else { - dasm_put(Dst, 15838); - } - dasm_put(Dst, 15843); - } else { - dasm_put(Dst, 15856); - if (vk) { - dasm_put(Dst, 15862); - } else { - dasm_put(Dst, 15878); - } - dasm_put(Dst, 15886); - if (cmov) { - dasm_put(Dst, 10480); - } else { - dasm_put(Dst, 10486); - } - if (!cmov) { - dasm_put(Dst, 15891); - } - } - if (op == BC_FORI) { - if (LJ_DUALNUM) { - dasm_put(Dst, 15897); - } else { - dasm_put(Dst, 15902, -BCBIAS_J*4); - } - } else if (op == BC_JFORI) { - dasm_put(Dst, 15912, -BCBIAS_J*4, BC_JLOOP); - } else if (op == BC_IFORL) { - if (LJ_DUALNUM) { - dasm_put(Dst, 15926); - } else { - dasm_put(Dst, 15931, -BCBIAS_J*4); - } - } else { - dasm_put(Dst, 15922, BC_JLOOP); - } - if (LJ_DUALNUM) { - dasm_put(Dst, 10409); - } else { - dasm_put(Dst, 11186); - } - if (sse) { - dasm_put(Dst, 15941); - } - break; - - case BC_ITERL: -#if LJ_HASJIT - dasm_put(Dst, 15531, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_JITERL: -#if !LJ_HASJIT - break; -#endif - case BC_IITERL: - dasm_put(Dst, 15952, LJ_TNIL); - if (op == BC_JITERL) { - dasm_put(Dst, 15967, BC_JLOOP); - } else { - dasm_put(Dst, 15981, -BCBIAS_J*4); - } - dasm_put(Dst, 10518); - break; - - case BC_LOOP: -#if LJ_HASJIT - dasm_put(Dst, 15531, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_ILOOP: - dasm_put(Dst, 10520); - break; - - case BC_JLOOP: -#if LJ_HASJIT - dasm_put(Dst, 15997, DISPATCH_J(trace), DtD(->mcode), DISPATCH_GL(jit_base), DISPATCH_GL(jit_L)); -#endif - break; - - case BC_JMP: - dasm_put(Dst, 16038, -BCBIAS_J*4); - break; - - /* -- Function headers -------------------------------------------------- */ - - /* - ** Reminder: A function may be called with func/args above L->maxstack, - ** i.e. occupying EXTRA_STACK slots. And vmeta_call may add one extra slot, - ** too. This means all FUNC* ops (including fast functions) must check - ** for stack overflow _before_ adding more slots! - */ - - case BC_FUNCF: -#if LJ_HASJIT - dasm_put(Dst, 16064, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_CALL); -#endif - case BC_FUNCV: /* NYI: compiled vararg functions. */ - break; - - case BC_JFUNCF: -#if !LJ_HASJIT - break; -#endif - case BC_IFUNCF: - dasm_put(Dst, 16085, -4+PC2PROTO(k), Dt1(->maxstack), -4+PC2PROTO(numparams)); - if (op == BC_JFUNCF) { - dasm_put(Dst, 16116, BC_JLOOP); - } else { - dasm_put(Dst, 10520); - } - dasm_put(Dst, 16125, LJ_TNIL); - break; - - case BC_JFUNCV: -#if !LJ_HASJIT - break; -#endif - dasm_put(Dst, 9422); - break; /* NYI: compiled vararg functions. */ - - case BC_IFUNCV: - dasm_put(Dst, 16147, FRAME_VARG, Dt1(->maxstack), -4+PC2PROTO(numparams), LJ_TNIL); - if (op == BC_JFUNCV) { - dasm_put(Dst, 16116, BC_JLOOP); - } else { - dasm_put(Dst, 16244, -4+PC2PROTO(k)); - } - dasm_put(Dst, 16269, LJ_TNIL); - break; - - case BC_FUNCC: - case BC_FUNCCW: - dasm_put(Dst, 16291, Dt8(->f), Dt1(->base), 8*LUA_MINSTACK, Dt1(->maxstack), Dt1(->top)); - if (op == BC_FUNCC) { - dasm_put(Dst, 2433); - } else { - dasm_put(Dst, 16321); - } - dasm_put(Dst, 16329, DISPATCH_GL(vmstate), ~LJ_VMST_C); - if (op == BC_FUNCC) { - dasm_put(Dst, 16339); - } else { - dasm_put(Dst, 16344, DISPATCH_GL(wrapf)); - } - dasm_put(Dst, 16350, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->base), Dt1(->top)); - break; - - /* ---------------------------------------------------------------------- */ - - default: - fprintf(stderr, "Error: undefined opcode BC_%s\n", bc_names[op]); - exit(2); - break; - } -} - -static int build_backend(BuildCtx *ctx) -{ - int op; - int cmov = 1; - int sse = 0; -#ifdef LUAJIT_CPU_NOCMOV - cmov = 0; -#endif -#if defined(LUAJIT_CPU_SSE2) || defined(LJ_TARGET_X64) - sse = 1; -#endif - - dasm_growpc(Dst, BC__MAX); - - build_subroutines(ctx, cmov, sse); - - dasm_put(Dst, 16376); - for (op = 0; op < BC__MAX; op++) - build_ins(ctx, (BCOp)op, op, cmov, sse); - - return BC__MAX; -} - -/* Emit pseudo frame-info for all assembler functions. */ -static void emit_asm_debug(BuildCtx *ctx) -{ - int fcofs = (int)((uint8_t *)ctx->glob[GLOB_vm_ffi_call] - ctx->code); -#if LJ_64 -#define SZPTR "8" -#define BSZPTR "3" -#define REG_SP "0x7" -#define REG_RA "0x10" -#else -#define SZPTR "4" -#define BSZPTR "2" -#define REG_SP "0x4" -#define REG_RA "0x8" -#endif - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, "\t.section .debug_frame,\"\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe0:\n" - "\t.long .LECIE0-.LSCIE0\n" - ".LSCIE0:\n" - "\t.long 0xffffffff\n" - "\t.byte 0x1\n" - "\t.string \"\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE0:\n\n"); - fprintf(ctx->fp, - ".LSFDE0:\n" - "\t.long .LEFDE0-.LASFDE0\n" - ".LASFDE0:\n" - "\t.long .Lframe0\n" -#if LJ_64 - "\t.quad .Lbegin\n" - "\t.quad %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.long .Lbegin\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE0:\n\n", fcofs, CFRAME_SIZE); -#if LJ_HASFFI - fprintf(ctx->fp, - ".LSFDE1:\n" - "\t.long .LEFDE1-.LASFDE1\n" - ".LASFDE1:\n" - "\t.long .Lframe0\n" -#if LJ_64 - "\t.quad lj_vm_ffi_call\n" - "\t.quad %d\n" - "\t.byte 0xe\n\t.uleb128 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ -#else - "\t.long lj_vm_ffi_call\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 8\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0xd\n\t.uleb128 0x5\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE1:\n\n", (int)ctx->codesz - fcofs); -#endif -#if (defined(__sun__) && defined(__svr4__)) || defined(__solaris_) - fprintf(ctx->fp, "\t.section .eh_frame,\"aw\",@progbits\n"); -#else - fprintf(ctx->fp, "\t.section .eh_frame,\"a\",@progbits\n"); -#endif - fprintf(ctx->fp, - ".Lframe1:\n" - "\t.long .LECIE1-.LSCIE1\n" - ".LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zPR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 6\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.long lj_err_unwind_dwarf-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE1:\n\n"); - fprintf(ctx->fp, - ".LSFDE2:\n" - "\t.long .LEFDE2-.LASFDE2\n" - ".LASFDE2:\n" - "\t.long .LASFDE2-.Lframe1\n" - "\t.long .Lbegin-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE2:\n\n", fcofs, CFRAME_SIZE); -#if LJ_HASFFI - fprintf(ctx->fp, - ".Lframe2:\n" - "\t.long .LECIE2-.LSCIE2\n" - ".LSCIE2:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 1\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE2:\n\n"); - fprintf(ctx->fp, - ".LSFDE3:\n" - "\t.long .LEFDE3-.LASFDE3\n" - ".LASFDE3:\n" - "\t.long .LASFDE3-.Lframe2\n" - "\t.long lj_vm_ffi_call-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0xe\n\t.uleb128 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ -#else - "\t.byte 0xe\n\t.uleb128 8\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0xd\n\t.uleb128 0x5\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE3:\n\n", (int)ctx->codesz - fcofs); -#endif - break; - case BUILD_coffasm: - fprintf(ctx->fp, "\t.section .eh_frame,\"dr\"\n"); - fprintf(ctx->fp, - "\t.def %slj_err_unwind_dwarf; .scl 2; .type 32; .endef\n", - LJ_32 ? "_" : ""); - fprintf(ctx->fp, - "Lframe1:\n" - "\t.long LECIE1-LSCIE1\n" - "LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zP\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 5\n" /* augmentation length */ - "\t.byte 0x00\n" /* absptr */ - "\t.long %slj_err_unwind_dwarf\n" - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - "LECIE1:\n\n", LJ_32 ? "_" : ""); - fprintf(ctx->fp, - "LSFDE1:\n" - "\t.long LEFDE1-LASFDE1\n" - "LASFDE1:\n" - "\t.long LASFDE1-Lframe1\n" - "\t.long %slj_vm_asm_begin\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - "LEFDE1:\n\n", LJ_32 ? "_" : "", (int)ctx->codesz, CFRAME_SIZE); - break; - /* Mental note: never let Apple design an assembler. - ** Or a linker. Or a plastic case. But I digress. - */ - case BUILD_machasm: { -#if LJ_HASFFI - int fcsize = 0; -#endif - int i; - fprintf(ctx->fp, "\t.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support\n"); - fprintf(ctx->fp, - "EH_frame1:\n" - "\t.set L$set$x,LECIEX-LSCIEX\n" - "\t.long L$set$x\n" - "LSCIEX:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.ascii \"zPR\\0\"\n" - "\t.byte 0x1\n" - "\t.byte 128-" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 6\n" /* augmentation length */ - "\t.byte 0x9b\n" /* indirect|pcrel|sdata4 */ -#if LJ_64 - "\t.long _lj_err_unwind_dwarf+4@GOTPCREL\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte " REG_SP "\n\t.byte " SZPTR "\n" -#else - "\t.long L_lj_err_unwind_dwarf$non_lazy_ptr-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte 0x5\n\t.byte 0x4\n" /* esp=5 on 32 bit MACH-O. */ -#endif - "\t.byte 0x80+" REG_RA "\n\t.byte 0x1\n" - "\t.align " BSZPTR "\n" - "LECIEX:\n\n"); - for (i = 0; i < ctx->nsym; i++) { - const char *name = ctx->sym[i].name; - int32_t size = ctx->sym[i+1].ofs - ctx->sym[i].ofs; - if (size == 0) continue; -#if LJ_HASFFI - if (!strcmp(name, "_lj_vm_ffi_call")) { fcsize = size; continue; } -#endif - fprintf(ctx->fp, - "%s.eh:\n" - "LSFDE%d:\n" - "\t.set L$set$%d,LEFDE%d-LASFDE%d\n" - "\t.long L$set$%d\n" - "LASFDE%d:\n" - "\t.long LASFDE%d-EH_frame1\n" - "\t.long %s-.\n" - "\t.long %d\n" - "\t.byte 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.byte %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.byte 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.byte 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.byte 0x5\n" /* offset r14 */ -#else - "\t.byte 0x84\n\t.byte 0x2\n" /* offset ebp (4 for MACH-O)*/ - "\t.byte 0x87\n\t.byte 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.byte 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.byte 0x5\n" /* offset ebx */ -#endif - "\t.align " BSZPTR "\n" - "LEFDE%d:\n\n", - name, i, i, i, i, i, i, i, name, size, CFRAME_SIZE, i); - } -#if LJ_HASFFI - if (fcsize) { - fprintf(ctx->fp, - "EH_frame2:\n" - "\t.set L$set$y,LECIEY-LSCIEY\n" - "\t.long L$set$y\n" - "LSCIEY:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.ascii \"zR\\0\"\n" - "\t.byte 0x1\n" - "\t.byte 128-" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 1\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte " REG_SP "\n\t.byte " SZPTR "\n" -#else - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte 0x5\n\t.byte 0x4\n" /* esp=5 on 32 bit MACH. */ -#endif - "\t.byte 0x80+" REG_RA "\n\t.byte 0x1\n" - "\t.align " BSZPTR "\n" - "LECIEY:\n\n"); - fprintf(ctx->fp, - "_lj_vm_ffi_call.eh:\n" - "LSFDEY:\n" - "\t.set L$set$yy,LEFDEY-LASFDEY\n" - "\t.long L$set$yy\n" - "LASFDEY:\n" - "\t.long LASFDEY-EH_frame2\n" - "\t.long _lj_vm_ffi_call-.\n" - "\t.long %d\n" - "\t.byte 0\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0xe\n\t.byte 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.byte 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset rbx */ -#else - "\t.byte 0xe\n\t.byte 8\n" /* def_cfa_offset */ - "\t.byte 0x84\n\t.byte 0x2\n" /* offset ebp (4 for MACH-O)*/ - "\t.byte 0xd\n\t.uleb128 0x4\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset ebx */ -#endif - "\t.align " BSZPTR "\n" - "LEFDEY:\n\n", fcsize); - } -#endif -#if LJ_64 - fprintf(ctx->fp, "\t.subsections_via_symbols\n"); -#else - fprintf(ctx->fp, - "\t.non_lazy_symbol_pointer\n" - "L_lj_err_unwind_dwarf$non_lazy_ptr:\n" - ".indirect_symbol _lj_err_unwind_dwarf\n" - ".long 0\n"); -#endif - } - break; - default: /* Difficult for other modes. */ - break; - } -} - diff --git a/libraries/luajit-2.0/src/buildvm_x64win.h b/libraries/luajit-2.0/src/buildvm_x64win.h deleted file mode 100644 index 533d5b0..0000000 --- a/libraries/luajit-2.0/src/buildvm_x64win.h +++ /dev/null @@ -1,3401 +0,0 @@ -/* -** This file has been pre-processed with DynASM. -** http://luajit.org/dynasm.html -** DynASM version 1.3.0, DynASM x64 version 1.3.0 -** DO NOT EDIT! The original file is in "buildvm_x86.dasc". -*/ - -#if DASM_VERSION != 10300 -#error "Version mismatch between DynASM and included encoding engine" -#endif - -#define DASM_SECTION_CODE_OP 0 -#define DASM_SECTION_CODE_SUB 1 -#define DASM_MAXSECTION 2 -static const unsigned char build_actionlist[16196] = { - 254,1,248,10,252,247,198,237,15,132,244,11,131,230,252,248,41,252,242,72, - 141,76,49,252,248,139,114,252,252,199,68,10,4,237,248,12,131,192,1,137,68, - 36,84,252,247,198,237,15,132,244,13,248,14,129,252,246,239,252,247,198,237, - 15,133,244,10,199,131,233,237,131,230,252,248,41,214,252,247,222,131,232, - 1,15,132,244,248,248,1,72,139,44,10,72,137,106,252,248,131,194,8,131,232, - 1,15,133,244,1,248,2,255,139,108,36,96,137,181,233,248,3,139,68,36,84,139, - 76,36,88,248,4,57,193,15,133,244,252,248,5,131,252,234,8,137,149,233,248, - 15,72,139,76,36,104,72,137,141,233,49,192,248,16,72,131,196,40,91,94,95,93, - 195,248,6,15,130,244,253,59,149,233,15,135,244,254,199,66,252,252,237,131, - 194,8,131,192,1,252,233,244,4,248,7,255,133,201,15,132,244,5,41,193,141,20, - 202,252,233,244,5,248,8,137,149,233,137,68,36,84,137,202,137,252,233,232, - 251,1,0,139,149,233,252,233,244,3,248,17,137,208,72,137,204,248,18,139,108, - 36,96,139,173,233,199,133,233,237,252,233,244,16,248,19,248,20,72,129,225, - 239,72,137,204,248,21,255,139,108,36,96,72,199,193,252,248,252,255,252,255, - 252,255,184,237,139,149,233,139,157,233,129,195,239,139,114,252,252,199,66, - 252,252,237,199,131,233,237,252,233,244,12,248,22,186,237,252,233,244,248, - 248,23,131,232,8,252,233,244,247,248,24,141,68,194,252,248,248,1,15,182,142, - 233,131,198,4,137,149,233,255,137,133,233,137,116,36,100,137,202,248,2,137, - 252,233,232,251,1,0,139,149,233,139,133,233,139,106,252,248,41,208,193,232, - 3,131,192,1,139,181,233,139,14,15,182,252,233,15,182,205,131,198,4,252,255, - 36,252,235,248,25,85,87,86,83,72,131,252,236,40,137,205,137,76,36,96,137, - 209,190,237,49,192,72,141,188,253,36,233,139,157,233,129,195,239,72,137,189, - 233,137,68,36,100,72,137,68,36,104,137,68,36,88,137,68,36,92,56,133,233,15, - 132,244,249,199,131,233,237,136,133,233,139,149,233,139,133,233,41,200,193, - 232,3,131,192,1,41,209,139,114,252,252,137,68,36,84,252,247,198,237,255,15, - 132,244,13,252,233,244,14,248,26,85,87,86,83,72,131,252,236,40,190,237,68, - 137,76,36,92,252,233,244,247,248,27,85,87,86,83,72,131,252,236,40,190,237, - 248,1,68,137,68,36,88,137,205,137,76,36,96,137,209,72,139,189,233,72,137, - 124,36,104,137,108,36,100,72,137,165,233,248,2,139,157,233,129,195,239,248, - 3,199,131,233,237,139,149,233,255,1,206,41,214,139,133,233,41,200,193,232, - 3,131,192,1,248,28,139,105,252,248,129,121,253,252,252,239,15,133,244,29, - 248,30,137,202,137,114,252,252,139,181,233,139,14,15,182,252,233,15,182,205, - 131,198,4,252,255,36,252,235,248,31,85,87,86,83,72,131,252,236,40,137,205, - 137,76,36,96,137,108,36,100,139,189,233,43,189,233,199,68,36,92,0,0,0,0,137, - 124,36,88,72,139,189,233,72,137,124,36,104,72,137,165,233,65,252,255,209, - 133,192,15,132,244,15,137,193,190,237,252,233,244,2,248,11,1,209,131,230, - 252,248,137,213,41,252,242,199,68,193,252,252,237,137,200,139,117,252,244, - 72,99,77,252,240,255,131,252,249,1,15,134,244,247,255,72,141,61,245,72,1, - 252,249,255,139,122,252,248,139,191,233,139,191,233,252,255,225,255,248,1, - 15,132,244,32,41,213,193,252,237,3,141,69,252,255,252,233,244,33,255,248, - 34,15,182,78,252,255,131,252,237,16,141,12,202,41,252,233,15,132,244,35,252, - 247,217,193,252,233,3,65,137,200,139,76,36,96,137,145,233,72,139,0,72,137, - 69,0,137,252,234,252,233,244,36,248,37,137,68,36,80,199,68,36,84,237,72,141, - 68,36,80,128,126,252,252,235,15,133,244,247,141,139,233,137,41,199,65,4,237, - 137,205,252,233,244,248,248,38,15,182,70,252,254,255,199,68,36,84,237,137, - 68,36,80,255,252,242,15,42,192,252,242,15,17,68,36,80,255,72,141,68,36,80, - 252,233,244,247,248,39,15,182,70,252,254,141,4,194,248,1,15,182,110,252,255, - 141,44,252,234,248,2,139,76,36,96,137,145,233,137,252,234,73,137,192,137, - 205,137,116,36,100,232,251,1,1,139,149,233,133,192,15,132,244,249,248,35, - 15,182,78,252,253,72,139,40,72,137,44,202,139,6,15,182,204,15,182,232,131, - 198,4,193,232,16,252,255,36,252,235,248,3,139,141,233,137,113,252,244,141, - 177,233,41,214,139,105,252,248,184,237,252,233,244,30,248,40,137,68,36,80, - 199,68,36,84,237,72,141,68,36,80,128,126,252,252,235,15,133,244,247,255,141, - 139,233,137,41,199,65,4,237,137,205,252,233,244,248,248,41,15,182,70,252, - 254,255,72,141,68,36,80,252,233,244,247,248,42,15,182,70,252,254,141,4,194, - 248,1,15,182,110,252,255,141,44,252,234,248,2,139,76,36,96,137,145,233,137, - 252,234,73,137,192,137,205,137,116,36,100,232,251,1,2,139,149,233,133,192, - 15,132,244,249,15,182,78,252,253,72,139,44,202,72,137,40,248,43,139,6,15, - 182,204,15,182,232,131,198,4,193,232,16,252,255,36,252,235,248,3,139,141, - 233,137,113,252,244,15,182,70,252,253,72,139,44,194,72,137,105,16,141,177, - 233,41,214,139,105,252,248,184,237,252,233,244,30,248,44,139,108,36,96,137, - 149,233,68,141,4,194,141,20,202,137,252,233,68,15,182,78,252,252,137,116, - 36,100,232,251,1,3,248,3,139,149,233,255,131,252,248,1,15,135,244,45,248, - 4,141,118,4,15,130,244,252,248,5,15,183,70,252,254,141,180,253,134,233,248, - 6,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,252,235,248, - 46,131,198,4,129,120,253,4,239,15,130,244,5,252,233,244,6,248,47,129,120, - 253,4,239,252,233,244,4,248,48,131,252,238,4,65,137,192,65,137,252,233,139, - 108,36,96,137,149,233,255,137,202,137,252,233,137,116,36,100,232,251,1,4, - 252,233,244,3,248,49,255,131,252,238,4,139,108,36,96,137,149,233,137,252, - 233,139,86,252,252,137,116,36,100,232,251,1,5,252,233,244,3,255,248,50,255, - 15,182,110,252,255,255,248,51,141,4,199,252,233,244,247,248,52,255,248,53, - 141,4,199,141,44,252,234,149,252,233,244,248,248,54,141,4,194,137,197,252, - 233,244,248,248,55,255,248,56,141,4,194,248,1,141,44,252,234,248,2,141,12, - 202,65,137,232,65,137,193,15,182,70,252,252,137,68,36,32,139,108,36,96,137, - 149,233,137,202,137,252,233,137,116,36,100,232,251,1,6,139,149,233,133,192, - 15,132,244,43,248,45,137,193,41,208,137,113,252,244,141,176,233,184,237,252, - 233,244,28,248,57,139,108,36,96,137,149,233,141,20,194,137,252,233,137,116, - 36,100,232,251,1,7,139,149,233,255,133,192,15,133,244,45,15,183,70,252,254, - 139,12,194,252,233,244,58,255,252,233,244,45,255,248,59,141,76,202,8,248, - 29,137,76,36,84,137,68,36,80,131,252,233,8,139,108,36,96,137,149,233,137, - 202,68,141,4,193,137,252,233,137,116,36,100,232,251,1,8,139,149,233,139,76, - 36,84,139,68,36,80,139,105,252,248,131,192,1,57,215,15,132,244,60,137,202, - 137,114,252,252,139,181,233,139,14,15,182,252,233,15,182,205,131,198,4,252, - 255,36,252,235,248,61,139,108,36,96,137,149,233,137,202,137,252,233,137,116, - 36,100,232,251,1,9,139,149,233,139,70,252,252,15,182,204,15,182,232,193,232, - 16,252,255,164,253,252,235,233,248,62,129,252,248,239,15,130,244,63,139,106, - 4,129,252,253,239,15,131,244,63,139,114,252,252,137,68,36,84,137,106,252, - 252,139,42,137,106,252,248,131,232,2,15,132,244,248,255,137,209,248,1,131, - 193,8,72,139,41,72,137,105,252,248,131,232,1,15,133,244,1,248,2,139,68,36, - 84,252,233,244,64,248,65,129,252,248,239,15,130,244,63,139,106,4,137,252, - 233,193,252,249,15,131,252,249,252,254,15,132,244,249,184,237,252,247,213, - 57,232,255,15,71,197,255,15,134,244,247,137,232,248,1,255,248,2,139,106,252, - 248,139,132,253,197,233,139,114,252,252,199,66,252,252,237,137,66,252,248, - 252,233,244,66,248,3,184,237,252,233,244,2,248,67,129,252,248,239,15,130, - 244,63,139,106,4,139,114,252,252,129,252,253,239,15,133,244,252,248,1,139, - 42,139,173,233,248,2,133,252,237,199,66,252,252,237,255,15,132,244,66,139, - 131,233,199,66,252,252,237,137,106,252,248,139,141,233,35,136,233,105,201, - 239,3,141,233,248,3,129,185,233,239,15,133,244,250,57,129,233,15,132,244, - 251,248,4,139,137,233,133,201,15,133,244,3,255,252,233,244,66,248,5,139,105, - 4,129,252,253,239,15,132,244,66,139,1,137,106,252,252,137,66,252,248,252, - 233,244,66,248,6,129,252,253,239,15,132,244,1,129,252,253,239,15,135,244, - 254,129,252,253,239,15,134,244,253,189,237,252,233,244,254,248,7,255,189, - 237,248,8,252,247,213,139,172,253,171,233,252,233,244,2,248,68,129,252,248, - 239,15,130,244,63,129,122,253,4,239,15,133,244,63,139,42,131,189,233,0,15, - 133,244,63,129,122,253,12,239,15,133,244,63,139,66,8,137,133,233,139,114, - 252,252,199,66,252,252,237,255,137,106,252,248,252,246,133,233,235,15,132, - 244,247,128,165,233,235,139,131,233,137,171,233,137,133,233,248,1,252,233, - 244,66,248,69,129,252,248,239,15,130,244,63,129,122,253,4,239,15,133,244, - 63,137,213,68,141,66,8,139,18,139,76,36,96,232,251,1,10,137,252,234,72,139, - 40,139,114,252,252,72,137,106,252,248,252,233,244,66,248,70,255,129,252,248, - 239,15,133,244,63,129,122,253,4,239,255,15,133,244,247,139,42,252,233,244, - 71,248,1,15,135,244,63,255,15,131,244,63,255,252,242,15,16,2,252,233,244, - 72,255,221,2,252,233,244,73,255,248,74,129,252,248,239,15,130,244,63,139, - 114,252,252,129,122,253,4,239,15,133,244,249,139,2,248,2,199,66,252,252,237, - 137,66,252,248,252,233,244,66,248,3,129,122,253,4,239,15,135,244,63,131,187, - 233,0,15,133,244,63,139,171,233,59,171,233,255,15,130,244,247,232,244,75, - 248,1,139,108,36,96,137,149,233,137,116,36,100,137,252,233,255,232,251,1, - 11,255,232,251,1,12,255,139,149,233,252,233,244,2,248,76,129,252,248,239, - 15,130,244,63,15,132,244,248,248,1,129,122,253,4,239,15,133,244,63,139,108, - 36,96,137,149,233,137,149,233,139,114,252,252,68,141,66,8,139,18,137,252, - 233,137,116,36,100,232,251,1,13,139,149,233,133,192,15,132,244,249,72,139, - 106,8,72,139,66,16,72,137,106,252,248,72,137,2,248,77,184,237,255,252,233, - 244,78,248,2,199,66,12,237,252,233,244,1,248,3,199,66,252,252,237,252,233, - 244,66,248,79,129,252,248,239,15,130,244,63,139,42,129,122,253,4,239,15,133, - 244,63,255,131,189,233,0,15,133,244,63,255,139,106,252,248,139,133,233,139, - 114,252,252,199,66,252,252,237,137,66,252,248,199,66,12,237,184,237,252,233, - 244,78,248,80,129,252,248,239,15,130,244,63,129,122,253,4,239,15,133,244, - 63,129,122,253,12,239,255,139,114,252,252,255,139,66,8,131,192,1,199,66,252, - 252,237,137,66,252,248,255,252,242,15,16,66,8,72,189,237,237,102,72,15,110, - 205,252,242,15,88,193,252,242,15,45,192,252,242,15,17,66,252,248,255,139, - 42,59,133,233,15,131,244,248,193,224,3,3,133,233,248,1,129,120,253,4,239, - 15,132,244,81,72,139,40,72,137,42,252,233,244,77,248,2,131,189,233,0,15,132, - 244,81,137,252,233,137,213,137,194,232,251,1,14,137,252,234,133,192,15,133, - 244,1,248,81,184,237,252,233,244,78,248,82,255,139,106,252,248,139,133,233, - 139,114,252,252,199,66,252,252,237,137,66,252,248,255,199,66,12,237,199,66, - 8,0,0,0,0,255,15,87,192,252,242,15,17,66,8,255,217,252,238,221,90,8,255,184, - 237,252,233,244,78,248,83,129,252,248,239,15,130,244,63,141,74,8,131,232, - 1,190,237,248,1,15,182,171,233,193,252,237,235,131,229,1,1,252,238,252,233, - 244,28,248,84,129,252,248,239,15,130,244,63,129,122,253,12,239,15,133,244, - 63,255,139,106,4,137,106,12,199,66,4,237,139,42,139,114,8,137,106,8,137,50, - 141,74,16,131,232,2,190,237,252,233,244,1,248,85,129,252,248,239,15,130,244, - 63,139,42,139,114,252,252,137,116,36,100,137,108,36,80,129,122,253,4,239, - 15,133,244,63,72,131,189,233,0,15,133,244,63,128,189,233,235,15,135,244,63, - 139,141,233,15,132,244,247,255,59,141,233,15,132,244,63,248,1,141,116,193, - 252,240,59,181,233,15,135,244,63,137,181,233,139,108,36,96,137,149,233,131, - 194,8,137,149,233,141,108,194,232,72,41,252,245,57,206,15,132,244,249,248, - 2,72,139,4,46,72,137,70,252,248,131,252,238,8,57,206,15,133,244,2,248,3,137, - 202,139,76,36,80,232,244,25,199,131,233,237,255,139,108,36,96,139,116,36, - 80,139,149,233,129,252,248,239,15,135,244,254,248,4,139,142,233,139,190,233, - 137,142,233,137,252,254,41,206,15,132,244,252,141,4,50,193,252,238,3,59,133, - 233,15,135,244,255,137,213,72,41,205,248,5,72,139,1,72,137,4,41,131,193,8, - 57,252,249,15,133,244,5,248,6,141,70,2,199,66,252,252,237,248,7,139,116,36, - 100,137,68,36,84,72,199,193,252,248,252,255,252,255,252,255,252,247,198,237, - 255,15,132,244,13,252,233,244,14,248,8,199,66,252,252,237,139,142,233,131, - 252,233,8,137,142,233,72,139,1,72,137,2,184,237,252,233,244,7,248,9,139,76, - 36,80,137,185,233,137,252,242,137,252,233,232,251,1,0,139,116,36,80,139,149, - 233,252,233,244,4,248,86,139,106,252,248,139,173,233,139,114,252,252,137, - 116,36,100,137,108,36,80,72,131,189,233,0,15,133,244,63,255,128,189,233,235, - 15,135,244,63,139,141,233,15,132,244,247,59,141,233,15,132,244,63,248,1,141, - 116,193,252,248,59,181,233,15,135,244,63,137,181,233,139,108,36,96,137,149, - 233,137,149,233,141,108,194,252,240,72,41,252,245,57,206,15,132,244,249,248, - 2,255,72,139,4,46,72,137,70,252,248,131,252,238,8,57,206,15,133,244,2,248, - 3,137,202,139,76,36,80,232,244,25,199,131,233,237,139,108,36,96,139,116,36, - 80,139,149,233,129,252,248,239,15,135,244,254,248,4,139,142,233,139,190,233, - 137,142,233,137,252,254,41,206,15,132,244,252,141,4,50,193,252,238,3,59,133, - 233,15,135,244,255,255,137,213,72,41,205,248,5,72,139,1,72,137,4,41,131,193, - 8,57,252,249,15,133,244,5,248,6,141,70,1,248,7,139,116,36,100,137,68,36,84, - 49,201,252,247,198,237,15,132,244,13,252,233,244,14,248,8,137,252,242,137, - 252,233,232,251,1,15,248,9,139,76,36,80,137,185,233,137,252,242,137,252,233, - 232,251,1,0,139,116,36,80,139,149,233,252,233,244,4,248,87,139,108,36,96, - 72,252,247,133,233,237,15,132,244,63,255,137,149,233,141,68,194,252,248,137, - 133,233,49,192,72,137,133,233,176,235,136,133,233,252,233,244,16,255,248, - 71,255,248,73,139,114,252,252,221,90,252,248,252,233,244,66,255,248,88,129, - 252,248,239,15,130,244,63,255,129,122,253,4,239,15,133,244,248,139,42,131, - 252,253,0,15,137,244,71,252,247,221,15,136,244,247,248,89,248,71,139,114, - 252,252,199,66,252,252,237,137,106,252,248,252,233,244,66,248,1,139,114,252, - 252,199,66,252,252,0,0,224,65,199,66,252,248,0,0,0,0,252,233,244,66,248,2, - 15,135,244,63,255,129,122,253,4,239,15,131,244,63,255,252,242,15,16,2,72, - 184,237,237,102,72,15,110,200,15,84,193,248,72,139,114,252,252,252,242,15, - 17,66,252,248,255,221,2,217,225,248,72,248,73,139,114,252,252,221,90,252, - 248,255,248,66,184,237,248,78,137,68,36,84,248,64,252,247,198,237,15,133, - 244,253,248,5,56,70,252,255,15,135,244,252,15,182,78,252,253,72,252,247,209, - 141,20,202,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,252, - 235,248,6,199,68,194,252,244,237,131,192,1,252,233,244,5,248,7,72,199,193, - 252,248,252,255,252,255,252,255,252,233,244,14,248,90,255,129,122,253,4,239, - 15,133,244,247,139,42,252,233,244,71,248,1,15,135,244,63,255,252,242,15,16, - 2,232,244,91,255,252,242,15,45,232,129,252,253,0,0,0,128,15,133,244,71,252, - 242,15,42,205,102,15,46,193,15,138,244,72,15,132,244,71,255,221,2,232,244, - 91,255,248,92,255,252,242,15,16,2,232,244,93,255,221,2,232,244,93,255,248, - 94,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,252,242, - 15,81,2,252,233,244,72,255,248,94,129,252,248,239,15,130,244,63,129,122,253, - 4,239,15,131,244,63,221,2,217,252,250,252,233,244,73,255,248,95,129,252,248, - 239,15,130,244,63,129,122,253,4,239,15,131,244,63,217,252,237,221,2,217,252, - 241,252,233,244,73,248,96,129,252,248,239,15,130,244,63,129,122,253,4,239, - 15,131,244,63,217,252,236,221,2,217,252,241,252,233,244,73,248,97,129,252, - 248,239,255,15,130,244,63,129,122,253,4,239,15,131,244,63,221,2,232,244,98, - 252,233,244,73,248,99,129,252,248,239,15,130,244,63,129,122,253,4,239,15, - 131,244,63,221,2,217,252,254,252,233,244,73,248,100,129,252,248,239,255,15, - 130,244,63,129,122,253,4,239,15,131,244,63,221,2,217,252,255,252,233,244, - 73,248,101,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63, - 221,2,217,252,242,221,216,252,233,244,73,248,102,129,252,248,239,15,130,244, - 63,255,129,122,253,4,239,15,131,244,63,221,2,217,192,216,200,217,232,222, - 225,217,252,250,217,252,243,252,233,244,73,248,103,129,252,248,239,15,130, - 244,63,129,122,253,4,239,15,131,244,63,221,2,217,192,216,200,217,232,222, - 225,217,252,250,217,201,217,252,243,252,233,244,73,248,104,129,252,248,239, - 15,130,244,63,129,122,253,4,239,15,131,244,63,255,221,2,217,232,217,252,243, - 252,233,244,73,255,248,105,129,252,248,239,15,130,244,63,129,122,253,4,239, - 15,131,244,63,252,242,15,16,2,255,137,213,232,251,1,16,137,252,234,252,233, - 244,72,255,248,106,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131, - 244,63,252,242,15,16,2,255,137,213,232,251,1,17,137,252,234,252,233,244,72, - 255,248,107,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63, - 252,242,15,16,2,255,137,213,232,251,1,18,137,252,234,252,233,244,72,248,108, - 255,248,109,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63, - 252,242,15,16,2,139,106,252,248,252,242,15,89,133,233,252,233,244,72,255, - 248,109,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,221, - 2,139,106,252,248,220,141,233,252,233,244,73,255,248,110,129,252,248,239, - 15,130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244, - 63,221,2,221,66,8,217,252,243,252,233,244,73,248,111,129,252,248,239,15,130, - 244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,255,15,131,244, - 63,221,66,8,221,2,217,252,253,221,217,252,233,244,73,248,112,129,252,248, - 239,15,130,244,63,139,106,4,129,252,253,239,15,131,244,63,139,114,252,252, - 139,2,137,106,252,252,137,66,252,248,209,229,129,252,253,0,0,224,252,255, - 15,131,244,249,9,232,15,132,244,249,184,252,254,3,0,0,129,252,253,0,0,32, - 0,15,130,244,250,248,1,193,252,237,21,41,197,255,252,242,15,42,197,255,137, - 108,36,80,219,68,36,80,255,139,106,252,252,129,229,252,255,252,255,15,128, - 129,205,0,0,224,63,137,106,252,252,248,2,255,252,242,15,17,2,255,221,26,255, - 184,237,252,233,244,78,248,3,255,15,87,192,252,233,244,2,255,217,252,238, - 252,233,244,2,255,248,4,255,252,242,15,16,2,72,189,237,237,102,72,15,110, - 205,252,242,15,89,193,252,242,15,17,66,252,248,255,221,2,199,68,36,80,0,0, - 128,90,216,76,36,80,221,90,252,248,255,139,106,252,252,184,52,4,0,0,209,229, - 252,233,244,1,255,248,113,129,252,248,239,15,130,244,63,129,122,253,4,239, - 15,131,244,63,252,242,15,16,2,255,248,113,129,252,248,239,15,130,244,63,129, - 122,253,4,239,15,131,244,63,221,2,255,139,106,4,139,114,252,252,209,229,129, - 252,253,0,0,224,252,255,15,132,244,250,255,15,40,224,232,244,114,252,242, - 15,92,224,248,1,252,242,15,17,66,252,248,252,242,15,17,34,255,217,192,232, - 244,114,220,252,233,248,1,221,90,252,248,221,26,255,139,66,252,252,139,106, - 4,49,232,15,136,244,249,248,2,184,237,252,233,244,78,248,3,129,252,245,0, - 0,0,128,137,106,4,252,233,244,2,248,4,255,15,87,228,252,233,244,1,255,217, - 252,238,217,201,252,233,244,1,255,248,115,129,252,248,239,15,130,244,63,129, - 122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244,63,221,66,8,221, - 2,248,1,217,252,248,223,224,158,15,138,244,1,221,217,252,233,244,73,255,248, - 116,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,129,122, - 253,12,239,15,131,244,63,252,242,15,16,2,252,242,15,16,74,8,232,244,117,252, - 233,244,72,255,248,116,129,252,248,239,15,130,244,63,129,122,253,4,239,15, - 131,244,63,129,122,253,12,239,15,131,244,63,221,2,221,66,8,232,244,117,252, - 233,244,73,255,248,118,185,2,0,0,0,129,122,253,4,239,255,15,133,244,250,139, - 42,248,1,57,193,15,131,244,71,129,124,253,202,252,252,239,15,133,244,249, - 59,108,202,252,248,15,79,108,202,252,248,131,193,1,252,233,244,1,248,3,15, - 135,244,63,255,252,233,244,252,248,4,15,135,244,63,255,252,242,15,16,2,248, - 5,57,193,15,131,244,72,129,124,253,202,252,252,239,255,15,130,244,252,15, - 135,244,63,252,242,15,42,76,202,252,248,252,233,244,253,255,248,6,252,242, - 15,16,76,202,252,248,248,7,252,242,15,93,193,131,193,1,252,233,244,5,255, - 248,119,185,2,0,0,0,129,122,253,4,239,255,15,133,244,250,139,42,248,1,57, - 193,15,131,244,71,129,124,253,202,252,252,239,15,133,244,249,59,108,202,252, - 248,15,76,108,202,252,248,131,193,1,252,233,244,1,248,3,15,135,244,63,255, - 248,6,252,242,15,16,76,202,252,248,248,7,252,242,15,95,193,131,193,1,252, - 233,244,5,255,248,9,221,216,252,233,244,63,255,248,120,129,252,248,239,15, - 130,244,63,129,122,253,4,239,15,133,244,63,139,42,255,139,173,233,252,233, - 244,71,255,252,242,15,42,133,233,252,233,244,72,255,219,133,233,252,233,244, - 73,255,248,121,129,252,248,239,15,133,244,63,129,122,253,4,239,15,133,244, - 63,139,42,139,114,252,252,131,189,233,1,15,130,244,81,15,182,173,233,255, - 252,242,15,42,197,252,233,244,72,255,137,108,36,80,219,68,36,80,252,233,244, - 73,255,248,122,139,171,233,59,171,233,15,130,244,247,232,244,75,248,1,129, - 252,248,239,15,133,244,63,129,122,253,4,239,255,15,133,244,63,139,42,129, - 252,253,252,255,0,0,0,15,135,244,63,137,108,36,84,255,15,131,244,63,252,242, - 15,44,42,129,252,253,252,255,0,0,0,15,135,244,63,137,108,36,84,255,15,131, - 244,63,221,2,219,92,36,84,129,124,36,84,252,255,0,0,0,15,135,244,63,255,199, - 68,36,32,1,0,0,0,72,141,68,36,84,248,123,139,108,36,96,137,149,233,68,139, - 68,36,32,72,137,194,137,252,233,137,116,36,100,232,251,1,19,139,149,233,139, - 114,252,252,199,66,252,252,237,137,66,252,248,252,233,244,66,248,124,139, - 171,233,59,171,233,15,130,244,247,232,244,75,248,1,199,68,36,84,252,255,252, - 255,252,255,252,255,129,252,248,239,15,130,244,63,15,134,244,247,129,122, - 253,20,239,255,15,133,244,63,139,106,16,137,108,36,84,255,15,131,244,63,252, - 242,15,44,106,16,137,108,36,84,255,15,131,244,63,221,66,16,219,92,36,84,255, - 248,1,129,122,253,4,239,15,133,244,63,129,122,253,12,239,255,139,42,137,108, - 36,32,139,173,233,255,139,74,8,255,252,242,15,44,74,8,255,139,68,36,84,57, - 197,15,130,244,251,248,2,133,201,15,142,244,253,248,3,139,108,36,32,41,200, - 15,140,244,125,141,172,253,13,233,131,192,1,248,4,137,68,36,32,137,232,252, - 233,244,123,248,5,15,140,244,252,141,68,40,1,252,233,244,2,248,6,137,232, - 252,233,244,2,248,7,255,15,132,244,254,1,252,233,131,193,1,15,143,244,3,248, - 8,185,1,0,0,0,252,233,244,3,248,125,49,192,252,233,244,4,248,126,129,252, - 248,239,15,130,244,63,139,171,233,59,171,233,15,130,244,247,232,244,75,248, - 1,255,129,122,253,4,239,15,133,244,63,129,122,253,12,239,139,42,255,15,133, - 244,63,139,66,8,255,15,131,244,63,252,242,15,44,66,8,255,15,131,244,63,221, - 66,8,219,92,36,84,139,68,36,84,255,133,192,15,142,244,125,131,189,233,1,15, - 130,244,125,15,133,244,127,57,131,233,15,130,244,127,15,182,141,233,139,171, - 233,137,68,36,32,248,1,136,77,0,131,197,1,131,232,1,15,133,244,1,139,131, - 233,252,233,244,123,248,128,129,252,248,239,255,15,130,244,63,139,171,233, - 59,171,233,15,130,244,247,232,244,75,248,1,129,122,253,4,239,15,133,244,63, - 139,42,139,133,233,133,192,15,132,244,125,57,131,233,15,130,244,129,129,197, - 239,137,116,36,84,137,68,36,32,139,179,233,248,1,255,15,182,77,0,131,197, - 1,131,232,1,136,12,6,15,133,244,1,137,252,240,139,116,36,84,252,233,244,123, - 248,130,129,252,248,239,15,130,244,63,139,171,233,59,171,233,15,130,244,247, - 232,244,75,248,1,129,122,253,4,239,15,133,244,63,139,42,139,133,233,57,131, - 233,255,15,130,244,129,129,197,239,137,116,36,84,137,68,36,32,139,179,233, - 252,233,244,249,248,1,15,182,76,5,0,131,252,249,65,15,130,244,248,131,252, - 249,90,15,135,244,248,131,252,241,32,248,2,136,12,6,248,3,131,232,1,15,137, - 244,1,137,252,240,139,116,36,84,252,233,244,123,248,131,129,252,248,239,15, - 130,244,63,255,139,171,233,59,171,233,15,130,244,247,232,244,75,248,1,129, - 122,253,4,239,15,133,244,63,139,42,139,133,233,57,131,233,15,130,244,129, - 129,197,239,137,116,36,84,137,68,36,32,139,179,233,252,233,244,249,248,1, - 15,182,76,5,0,131,252,249,97,15,130,244,248,255,131,252,249,122,15,135,244, - 248,131,252,241,32,248,2,136,12,6,248,3,131,232,1,15,137,244,1,137,252,240, - 139,116,36,84,252,233,244,123,248,132,129,252,248,239,15,130,244,63,129,122, - 253,4,239,15,133,244,63,137,213,139,10,232,251,1,20,137,252,234,255,137,197, - 252,233,244,71,255,252,242,15,42,192,252,233,244,72,255,248,133,129,252,248, - 239,15,130,244,63,129,122,253,4,239,255,15,133,244,247,139,42,252,233,244, - 89,248,1,15,135,244,63,255,252,242,15,16,2,72,189,237,237,102,72,15,110,205, - 252,242,15,88,193,102,15,126,197,255,252,233,244,89,255,248,134,129,252,248, - 239,15,130,244,63,255,72,189,237,237,102,72,15,110,205,255,199,68,36,80,0, - 0,192,89,255,15,133,244,247,139,42,252,233,244,248,248,1,15,135,244,63,255, - 252,242,15,16,2,252,242,15,88,193,102,15,126,197,255,248,2,137,68,36,84,141, - 68,194,252,240,248,1,57,208,15,134,244,89,129,120,253,4,239,255,15,133,244, - 248,35,40,131,232,8,252,233,244,1,248,2,15,135,244,135,255,15,131,244,135, - 255,252,242,15,16,0,252,242,15,88,193,102,15,126,193,33,205,255,131,232,8, - 252,233,244,1,248,136,129,252,248,239,15,130,244,63,255,15,133,244,248,11, - 40,131,232,8,252,233,244,1,248,2,15,135,244,135,255,252,242,15,16,0,252,242, - 15,88,193,102,15,126,193,9,205,255,131,232,8,252,233,244,1,248,137,129,252, - 248,239,15,130,244,63,255,15,133,244,248,51,40,131,232,8,252,233,244,1,248, - 2,15,135,244,135,255,252,242,15,16,0,252,242,15,88,193,102,15,126,193,49, - 205,255,131,232,8,252,233,244,1,248,138,129,252,248,239,15,130,244,63,129, - 122,253,4,239,255,248,2,15,205,252,233,244,89,248,139,129,252,248,239,15, - 130,244,63,129,122,253,4,239,255,248,2,252,247,213,255,248,89,252,242,15, - 42,197,252,233,244,72,255,248,135,139,68,36,84,252,233,244,63,255,248,140, - 129,252,248,239,15,130,244,63,129,122,253,4,239,255,248,2,129,122,253,12, - 239,15,133,244,63,139,74,8,255,248,140,129,252,248,239,15,130,244,63,129, - 122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244,63,252,242,15,16, - 2,252,242,15,16,74,8,72,189,237,237,102,72,15,110,213,252,242,15,88,194,252, - 242,15,88,202,102,15,126,197,102,15,126,201,255,211,229,252,233,244,89,255, - 248,141,129,252,248,239,15,130,244,63,129,122,253,4,239,255,248,141,129,252, - 248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239, - 15,131,244,63,252,242,15,16,2,252,242,15,16,74,8,72,189,237,237,102,72,15, - 110,213,252,242,15,88,194,252,242,15,88,202,102,15,126,197,102,15,126,201, - 255,211,252,237,252,233,244,89,255,248,142,129,252,248,239,15,130,244,63, - 129,122,253,4,239,255,248,142,129,252,248,239,15,130,244,63,129,122,253,4, - 239,15,131,244,63,129,122,253,12,239,15,131,244,63,252,242,15,16,2,252,242, - 15,16,74,8,72,189,237,237,102,72,15,110,213,252,242,15,88,194,252,242,15, - 88,202,102,15,126,197,102,15,126,201,255,211,252,253,252,233,244,89,255,248, - 143,129,252,248,239,15,130,244,63,129,122,253,4,239,255,248,143,129,252,248, - 239,15,130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131, - 244,63,252,242,15,16,2,252,242,15,16,74,8,72,189,237,237,102,72,15,110,213, - 252,242,15,88,194,252,242,15,88,202,102,15,126,197,102,15,126,201,255,211, - 197,252,233,244,89,255,248,144,129,252,248,239,15,130,244,63,129,122,253, - 4,239,255,248,144,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131, - 244,63,129,122,253,12,239,15,131,244,63,252,242,15,16,2,252,242,15,16,74, - 8,72,189,237,237,102,72,15,110,213,252,242,15,88,194,252,242,15,88,202,102, - 15,126,197,102,15,126,201,255,211,205,252,233,244,89,248,127,184,237,252, - 233,244,63,248,129,184,237,248,63,139,108,36,96,139,114,252,252,137,116,36, - 100,137,149,233,141,68,194,252,248,141,136,233,137,133,233,139,66,252,248, - 59,141,233,15,135,244,251,137,252,233,252,255,144,233,139,149,233,133,192, - 15,143,244,78,248,1,255,139,141,233,41,209,193,252,233,3,133,192,141,65,1, - 139,106,252,248,15,133,244,33,139,181,233,139,14,15,182,252,233,15,182,205, - 131,198,4,252,255,36,252,235,248,33,137,209,252,247,198,237,15,133,244,249, - 15,182,110,252,253,72,252,247,213,141,20,252,234,252,233,244,28,248,3,137, - 252,245,131,229,252,248,41,252,234,252,233,244,28,248,5,186,237,137,252,233, - 232,251,1,0,139,149,233,49,192,252,233,244,1,248,75,93,72,137,108,36,32,139, - 108,36,96,137,116,36,100,137,149,233,255,141,68,194,252,248,137,252,233,137, - 133,233,232,251,1,21,139,149,233,139,133,233,41,208,193,232,3,131,192,1,72, - 139,108,36,32,85,195,248,145,255,15,182,131,233,168,235,15,133,244,251,168, - 235,15,133,244,247,168,235,15,132,244,247,252,255,139,233,252,233,244,247, - 255,248,146,15,182,131,233,168,235,15,133,244,251,252,233,244,247,248,147, - 15,182,131,233,168,235,15,133,244,251,168,235,15,132,244,251,252,255,139, - 233,15,132,244,247,168,235,15,132,244,251,248,1,255,139,108,36,96,137,149, - 233,137,252,242,137,252,233,232,251,1,22,248,3,139,149,233,248,4,15,182,78, - 252,253,248,5,15,182,110,252,252,15,183,70,252,254,252,255,164,253,252,235, - 233,248,148,131,198,4,139,77,232,137,76,36,84,252,233,244,4,248,149,255,139, - 106,252,248,139,173,233,15,182,133,233,141,4,194,139,108,36,96,137,149,233, - 137,133,233,137,252,242,141,139,233,72,137,171,233,137,116,36,100,232,251, - 1,23,252,233,244,3,255,248,150,137,116,36,100,255,248,151,255,137,116,36, - 100,131,206,1,248,1,255,141,68,194,252,248,139,108,36,96,137,149,233,137, - 133,233,137,252,242,137,252,233,232,251,1,24,199,68,36,100,0,0,0,0,255,131, - 230,252,254,255,139,149,233,72,137,193,139,133,233,41,208,72,137,205,15,182, - 78,252,253,193,232,3,131,192,1,252,255,229,248,152,255,65,85,65,84,65,83, - 65,82,65,81,65,80,87,86,85,72,141,108,36,88,85,83,82,81,80,15,182,69,252, - 248,138,101,252,240,76,137,125,252,248,76,137,117,252,240,139,93,0,139,139, - 233,199,131,233,237,137,131,233,137,139,233,72,129,252,236,239,72,131,197, - 128,252,242,68,15,17,125,252,248,252,242,68,15,17,117,252,240,252,242,68, - 15,17,109,232,252,242,68,15,17,101,224,252,242,68,15,17,93,216,252,242,68, - 15,17,85,208,252,242,68,15,17,77,200,252,242,68,15,17,69,192,252,242,15,17, - 125,184,252,242,15,17,117,176,252,242,15,17,109,168,252,242,15,17,101,160, - 252,242,15,17,93,152,252,242,15,17,85,144,252,242,15,17,77,136,252,242,15, - 17,69,128,139,171,233,139,147,233,72,137,171,233,199,131,233,0,0,0,0,137, - 149,233,72,141,148,253,36,233,141,139,233,232,251,1,25,72,139,141,233,72, - 129,225,239,137,169,233,139,149,233,139,177,233,252,233,244,247,255,248,153, - 255,72,141,140,253,36,233,248,1,102,68,15,111,185,233,102,68,15,111,177,233, - 102,68,15,111,169,233,102,68,15,111,161,233,102,68,15,111,153,233,102,68, - 15,111,145,233,102,68,15,111,137,233,102,68,15,111,129,233,102,15,111,185, - 233,72,137,204,102,15,111,49,76,139,124,36,16,76,139,116,36,24,76,139,108, - 36,32,76,139,100,36,80,133,192,15,136,244,249,137,68,36,84,139,122,252,248, - 139,191,233,139,191,233,199,131,233,0,0,0,0,199,131,233,237,139,6,15,182, - 204,15,182,232,131,198,4,193,232,16,129,252,253,239,15,130,244,248,255,139, - 68,36,84,248,2,252,255,36,252,235,248,3,252,247,216,137,252,233,137,194,232, - 251,1,26,255,248,91,255,217,124,36,4,137,68,36,8,102,184,0,4,102,11,68,36, - 4,102,37,252,255,252,247,102,137,68,36,6,217,108,36,6,217,252,252,217,108, - 36,4,139,68,36,8,195,255,248,154,72,184,237,237,102,72,15,110,208,72,184, - 237,237,102,72,15,110,216,15,40,200,102,15,84,202,102,15,46,217,15,134,244, - 247,102,15,85,208,252,242,15,88,203,252,242,15,92,203,102,15,86,202,72,184, - 237,237,102,72,15,110,208,252,242,15,194,193,1,102,15,84,194,252,242,15,92, - 200,15,40,193,248,1,195,248,93,255,217,124,36,4,137,68,36,8,102,184,0,8,102, - 11,68,36,4,102,37,252,255,252,251,102,137,68,36,6,217,108,36,6,217,252,252, - 217,108,36,4,139,68,36,8,195,255,248,155,72,184,237,237,102,72,15,110,208, - 72,184,237,237,102,72,15,110,216,15,40,200,102,15,84,202,102,15,46,217,15, - 134,244,247,102,15,85,208,252,242,15,88,203,252,242,15,92,203,102,15,86,202, - 72,184,237,237,102,72,15,110,208,252,242,15,194,193,6,102,15,84,194,252,242, - 15,92,200,15,40,193,248,1,195,248,114,255,217,124,36,4,137,68,36,8,102,184, - 0,12,102,11,68,36,4,102,137,68,36,6,217,108,36,6,217,252,252,217,108,36,4, - 139,68,36,8,195,255,248,156,72,184,237,237,102,72,15,110,208,72,184,237,237, - 102,72,15,110,216,15,40,200,102,15,84,202,102,15,46,217,15,134,244,247,102, - 15,85,208,15,40,193,252,242,15,88,203,252,242,15,92,203,72,184,237,237,102, - 72,15,110,216,252,242,15,194,193,1,102,15,84,195,252,242,15,92,200,102,15, - 86,202,15,40,193,248,1,195,248,157,255,15,40,232,252,242,15,94,193,72,184, - 237,237,102,72,15,110,208,72,184,237,237,102,72,15,110,216,15,40,224,102, - 15,84,226,102,15,46,220,15,134,244,247,102,15,85,208,252,242,15,88,227,252, - 242,15,92,227,102,15,86,226,72,184,237,237,102,72,15,110,208,252,242,15,194, - 196,1,102,15,84,194,252,242,15,92,224,15,40,197,252,242,15,89,204,252,242, - 15,92,193,195,248,1,252,242,15,89,200,15,40,197,252,242,15,92,193,195,255, - 217,193,216,252,241,217,124,36,4,102,184,0,4,102,11,68,36,4,102,37,252,255, - 252,247,102,137,68,36,6,217,108,36,6,217,252,252,217,108,36,4,222,201,222, - 252,233,195,255,248,98,217,252,234,222,201,248,158,217,84,36,8,129,124,36, - 8,0,0,128,127,15,132,244,247,129,124,36,8,0,0,128,252,255,15,132,244,248, - 248,159,217,192,217,252,252,220,252,233,217,201,217,252,240,217,232,222,193, - 217,252,253,221,217,248,1,195,248,2,221,216,217,252,238,195,255,248,117,255, - 248,160,252,242,15,45,193,252,242,15,42,208,102,15,46,202,15,133,244,254, - 15,138,244,255,248,161,131,252,248,1,15,142,244,252,248,1,169,1,0,0,0,15, - 133,244,248,252,242,15,89,192,209,232,252,233,244,1,248,2,209,232,15,132, - 244,251,15,40,200,248,3,252,242,15,89,192,209,232,15,132,244,250,15,131,244, - 3,255,252,242,15,89,200,252,233,244,3,248,4,252,242,15,89,193,248,5,195,248, - 6,15,132,244,5,15,130,244,253,252,247,216,232,244,1,72,184,237,237,102,72, - 15,110,200,252,242,15,94,200,15,40,193,195,248,7,72,184,237,237,102,72,15, - 110,192,195,248,8,102,72,15,126,200,72,209,224,72,193,192,12,72,61,252,254, - 15,0,0,15,132,244,248,102,72,15,126,192,72,209,224,15,132,244,250,255,72, - 193,192,12,72,61,252,254,15,0,0,15,132,244,251,252,242,15,17,76,36,16,252, - 242,15,17,68,36,8,221,68,36,16,221,68,36,8,217,252,241,217,192,217,252,252, - 220,252,233,217,201,217,252,240,217,232,222,193,217,252,253,221,217,221,92, - 36,8,252,242,15,16,68,36,8,195,248,9,72,184,237,237,102,72,15,110,208,102, - 15,46,194,15,132,244,247,15,40,193,248,1,195,248,2,72,184,237,237,102,72, - 15,110,208,102,15,84,194,72,184,237,237,102,72,15,110,208,102,15,46,194,15, - 132,244,1,102,15,80,193,15,87,192,136,196,15,146,208,48,224,15,133,244,1, - 248,3,72,184,237,237,255,102,72,15,110,192,195,248,4,102,15,80,193,133,192, - 15,133,244,3,15,87,192,195,248,5,102,15,80,193,133,192,15,132,244,3,15,87, - 192,195,248,162,255,131,252,250,1,15,130,244,91,15,132,244,93,131,252,250, - 3,15,130,244,114,15,135,244,248,252,242,15,81,192,195,248,2,252,242,15,17, - 68,36,8,221,68,36,8,131,252,250,5,15,135,244,248,88,15,132,244,247,232,244, - 98,80,252,233,244,253,248,1,232,244,158,255,80,252,233,244,253,248,2,131, - 252,250,7,15,132,244,247,15,135,244,248,217,252,237,217,201,217,252,241,252, - 233,244,253,248,1,217,232,217,201,217,252,241,252,233,244,253,248,2,131,252, - 250,9,15,132,244,247,15,135,244,248,217,252,236,217,201,217,252,241,252,233, - 244,253,248,1,255,217,252,254,252,233,244,253,248,2,131,252,250,11,15,132, - 244,247,15,135,244,255,217,252,255,252,233,244,253,248,1,217,252,242,221, - 216,248,7,221,92,36,8,252,242,15,16,68,36,8,195,255,139,84,36,12,221,68,36, - 4,131,252,250,1,15,130,244,91,15,132,244,93,131,252,250,3,15,130,244,114, - 15,135,244,248,217,252,250,195,248,2,131,252,250,5,15,130,244,98,15,132,244, - 158,131,252,250,7,15,132,244,247,15,135,244,248,217,252,237,217,201,217,252, - 241,195,248,1,217,232,217,201,217,252,241,195,248,2,131,252,250,9,15,132, - 244,247,255,15,135,244,248,217,252,236,217,201,217,252,241,195,248,1,217, - 252,254,195,248,2,131,252,250,11,15,132,244,247,15,135,244,255,217,252,255, - 195,248,1,217,252,242,221,216,195,255,248,9,204,255,248,163,255,65,131,252, - 248,1,15,132,244,247,15,135,244,248,252,242,15,88,193,195,248,1,252,242,15, - 92,193,195,248,2,65,131,252,248,3,15,132,244,247,15,135,244,248,252,242,15, - 89,193,195,248,1,252,242,15,94,193,195,248,2,65,131,252,248,5,15,130,244, - 157,15,132,244,117,65,131,252,248,7,15,132,244,247,15,135,244,248,72,184, - 237,237,255,102,72,15,110,200,15,87,193,195,248,1,72,184,237,237,102,72,15, - 110,200,15,84,193,195,248,2,65,131,252,248,9,15,135,244,248,252,242,15,17, - 68,36,8,252,242,15,17,76,36,16,221,68,36,8,221,68,36,16,15,132,244,247,217, - 252,243,248,7,221,92,36,8,252,242,15,16,68,36,8,195,248,1,217,201,217,252, - 253,221,217,252,233,244,7,248,2,65,131,252,248,11,15,132,244,247,15,135,244, - 255,252,242,15,93,193,195,248,1,252,242,15,95,193,195,248,9,204,255,139,68, - 36,20,221,68,36,4,221,68,36,12,131,252,248,1,15,132,244,247,15,135,244,248, - 222,193,195,248,1,222,252,233,195,248,2,131,252,248,3,15,132,244,247,15,135, - 244,248,222,201,195,248,1,222,252,249,195,248,2,131,252,248,5,15,130,244, - 157,15,132,244,117,131,252,248,7,15,132,244,247,15,135,244,248,255,221,216, - 217,224,195,248,1,221,216,217,225,195,248,2,131,252,248,9,15,132,244,247, - 15,135,244,248,217,252,243,195,248,1,217,201,217,252,253,221,217,195,248, - 2,131,252,248,11,15,132,244,247,15,135,244,255,255,219,252,233,219,209,221, - 217,195,248,1,219,252,233,218,209,221,217,195,255,221,225,223,224,252,246, - 196,1,15,132,244,248,217,201,248,2,221,216,195,248,1,221,225,223,224,252, - 246,196,1,15,133,244,248,217,201,248,2,221,216,195,255,248,164,137,200,86, - 72,137,214,83,15,162,137,6,137,94,4,137,78,8,137,86,12,91,94,195,248,165, - 255,204,248,166,255,87,86,83,72,131,252,236,40,141,157,233,139,181,233,15, - 183,192,137,134,233,72,137,142,233,72,137,150,233,76,137,134,233,76,137,142, - 233,252,242,15,17,134,233,252,242,15,17,142,233,252,242,15,17,150,233,252, - 242,15,17,158,233,72,141,132,253,36,233,72,137,134,233,72,137,226,137,116, - 36,100,137,252,241,232,251,1,27,199,131,233,237,139,144,233,139,128,233,41, - 208,139,106,252,248,193,232,3,131,192,1,139,181,233,139,14,15,182,252,233, - 15,182,205,131,198,4,252,255,36,252,235,255,248,32,255,139,76,36,96,139,179, - 233,72,137,142,233,137,145,233,137,169,233,137,252,241,137,194,232,251,1, - 28,72,139,134,233,252,242,15,16,134,233,252,233,244,16,255,248,167,255,85, - 72,137,229,83,72,137,203,139,131,233,72,41,196,255,15,182,139,233,131,252, - 233,1,15,136,244,248,248,1,72,139,132,253,203,233,72,137,132,253,204,233, - 131,252,233,1,15,137,244,1,248,2,15,182,131,233,72,139,139,233,72,139,147, - 233,76,139,131,233,76,139,139,233,133,192,15,132,244,251,15,40,131,233,15, - 40,139,233,15,40,147,233,15,40,155,233,248,5,255,252,255,147,233,72,137,131, - 233,15,41,131,233,255,72,139,93,252,248,201,195,255,129,124,253,202,4,239, - 15,133,244,253,129,124,253,194,4,239,15,133,244,254,139,44,202,131,198,4, - 59,44,194,255,15,141,244,255,255,15,140,244,255,255,15,143,244,255,255,15, - 142,244,255,255,248,6,15,183,70,252,254,141,180,253,134,233,248,9,139,6,15, - 182,204,15,182,232,131,198,4,193,232,16,252,255,36,252,235,248,7,15,135,244, - 44,129,124,253,194,4,239,15,130,244,247,15,133,244,44,255,252,242,15,42,4, - 194,252,233,244,248,255,221,4,202,219,4,194,252,233,244,249,255,248,8,15, - 135,244,44,255,252,242,15,42,12,202,252,242,15,16,4,194,131,198,4,102,15, - 46,193,255,15,134,244,9,255,15,135,244,9,255,15,130,244,9,255,15,131,244, - 9,255,252,233,244,6,255,219,4,202,252,233,244,248,255,129,124,253,202,4,239, - 15,131,244,44,129,124,253,194,4,239,15,131,244,44,255,248,1,252,242,15,16, - 4,194,248,2,131,198,4,102,15,46,4,202,248,3,255,248,1,221,4,202,248,2,221, - 4,194,248,3,131,198,4,255,223,252,233,221,216,255,218,252,233,223,224,158, - 255,15,135,244,247,255,15,130,244,247,255,15,131,244,247,255,15,183,70,252, - 254,141,180,253,134,233,248,1,139,6,15,182,204,15,182,232,131,198,4,193,232, - 16,252,255,36,252,235,255,139,108,194,4,131,198,4,255,129,252,253,239,15, - 133,244,253,129,124,253,202,4,239,15,133,244,254,139,44,194,59,44,202,255, - 15,133,244,255,255,15,132,244,255,255,15,183,70,252,254,141,180,253,134,233, - 248,9,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,252,235, - 248,7,15,135,244,251,129,124,253,202,4,239,15,130,244,247,15,133,244,251, - 255,252,242,15,42,4,202,255,219,4,202,255,252,233,244,248,248,8,15,135,244, - 251,255,252,242,15,42,4,194,102,15,46,4,202,255,219,4,194,221,4,202,255,252, - 233,244,250,255,129,252,253,239,15,131,244,251,129,124,253,202,4,239,15,131, - 244,251,255,248,1,252,242,15,16,4,202,248,2,102,15,46,4,194,248,4,255,248, - 1,221,4,202,248,2,221,4,194,248,4,255,15,138,244,248,15,133,244,248,255,15, - 138,244,248,15,132,244,247,255,248,1,15,183,70,252,254,141,180,253,134,233, - 248,2,255,248,2,15,183,70,252,254,141,180,253,134,233,248,1,255,252,233,244, - 9,255,129,252,253,239,15,132,244,49,129,124,253,202,4,239,15,132,244,49,255, - 57,108,202,4,15,133,244,2,129,252,253,239,15,131,244,1,139,12,202,139,4,194, - 57,193,15,132,244,1,129,252,253,239,15,135,244,2,129,252,253,239,15,130,244, - 2,139,169,233,133,252,237,15,132,244,2,252,246,133,233,235,15,133,244,2,255, - 49,252,237,255,189,1,0,0,0,255,252,233,244,48,255,248,3,129,252,253,239,255, - 15,133,244,9,255,252,233,244,49,255,72,252,247,208,139,108,202,4,131,198, - 4,129,252,253,239,15,133,244,249,139,12,202,59,12,135,255,139,108,202,4,131, - 198,4,255,129,252,253,239,15,133,244,253,129,124,253,199,4,239,15,133,244, - 254,139,44,199,59,44,202,255,15,183,70,252,254,141,180,253,134,233,248,9, - 139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,252,235,248,7, - 15,135,244,249,129,124,253,199,4,239,15,130,244,247,255,252,242,15,42,4,199, - 255,219,4,199,255,252,233,244,248,248,8,255,252,242,15,42,4,202,102,15,46, - 4,199,255,219,4,202,221,4,199,255,129,252,253,239,15,131,244,249,255,248, - 1,252,242,15,16,4,199,248,2,102,15,46,4,202,248,4,255,248,1,221,4,199,248, - 2,221,4,202,248,4,255,72,252,247,208,139,108,202,4,131,198,4,57,197,255,15, - 133,244,249,15,183,70,252,254,141,180,253,134,233,248,2,139,6,15,182,204, - 15,182,232,131,198,4,193,232,16,252,255,36,252,235,248,3,129,252,253,239, - 15,133,244,2,252,233,244,49,255,15,132,244,248,129,252,253,239,15,132,244, - 49,15,183,70,252,254,141,180,253,134,233,248,2,139,6,15,182,204,15,182,232, - 131,198,4,193,232,16,252,255,36,252,235,255,139,108,194,4,131,198,4,129,252, - 253,239,255,137,108,202,4,139,44,194,137,44,202,255,72,139,44,194,72,137, - 44,202,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,252,235, - 255,49,252,237,129,124,253,194,4,239,129,213,239,137,108,202,4,139,6,15,182, - 204,15,182,232,131,198,4,193,232,16,252,255,36,252,235,255,129,124,253,194, - 4,239,15,133,244,251,139,44,194,252,247,221,15,128,244,250,199,68,202,4,237, - 137,44,202,248,9,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255, - 36,252,235,248,4,199,68,202,4,0,0,224,65,199,4,202,0,0,0,0,252,233,244,9, - 248,5,15,135,244,54,255,129,124,253,194,4,239,15,131,244,54,255,252,242,15, - 16,4,194,72,184,237,237,102,72,15,110,200,15,87,193,252,242,15,17,4,202,255, - 221,4,194,217,224,221,28,202,255,129,124,253,194,4,239,15,133,244,248,139, - 4,194,255,139,128,233,248,1,199,68,202,4,237,137,4,202,255,15,87,192,252, - 242,15,42,128,233,248,1,252,242,15,17,4,202,255,219,128,233,248,1,221,28, - 202,255,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,252,235, - 248,2,129,124,253,194,4,239,15,133,244,57,139,12,194,255,139,169,233,131, - 252,253,0,15,133,244,255,248,3,255,248,58,137,213,232,251,1,20,255,252,242, - 15,42,192,255,137,252,234,15,182,78,252,253,252,233,244,1,255,248,9,252,246, - 133,233,235,15,133,244,3,252,233,244,57,255,15,182,252,236,15,182,192,255, - 129,124,253,252,234,4,239,15,133,244,51,129,124,253,199,4,239,15,133,244, - 51,139,44,252,234,3,44,199,15,128,244,50,255,129,124,253,252,234,4,239,15, - 133,244,53,129,124,253,199,4,239,15,133,244,53,139,4,199,3,4,252,234,15,128, - 244,52,255,129,124,253,252,234,4,239,15,133,244,56,129,124,253,194,4,239, - 15,133,244,56,139,44,252,234,3,44,194,15,128,244,55,255,199,68,202,4,237, - 255,129,124,253,252,234,4,239,15,131,244,51,255,129,124,253,199,4,239,15, - 131,244,51,255,252,242,15,16,4,252,234,252,242,15,88,4,199,255,221,4,252, - 234,220,4,199,255,129,124,253,252,234,4,239,15,131,244,53,255,129,124,253, - 199,4,239,15,131,244,53,255,252,242,15,16,4,199,252,242,15,88,4,252,234,255, - 221,4,199,220,4,252,234,255,129,124,253,252,234,4,239,15,131,244,56,129,124, - 253,194,4,239,15,131,244,56,255,252,242,15,16,4,252,234,252,242,15,88,4,194, - 255,221,4,252,234,220,4,194,255,129,124,253,252,234,4,239,15,133,244,51,129, - 124,253,199,4,239,15,133,244,51,139,44,252,234,43,44,199,15,128,244,50,255, - 129,124,253,252,234,4,239,15,133,244,53,129,124,253,199,4,239,15,133,244, - 53,139,4,199,43,4,252,234,15,128,244,52,255,129,124,253,252,234,4,239,15, - 133,244,56,129,124,253,194,4,239,15,133,244,56,139,44,252,234,43,44,194,15, - 128,244,55,255,252,242,15,16,4,252,234,252,242,15,92,4,199,255,221,4,252, - 234,220,36,199,255,252,242,15,16,4,199,252,242,15,92,4,252,234,255,221,4, - 199,220,36,252,234,255,252,242,15,16,4,252,234,252,242,15,92,4,194,255,221, - 4,252,234,220,36,194,255,129,124,253,252,234,4,239,15,133,244,51,129,124, - 253,199,4,239,15,133,244,51,139,44,252,234,15,175,44,199,15,128,244,50,255, - 129,124,253,252,234,4,239,15,133,244,53,129,124,253,199,4,239,15,133,244, - 53,139,4,199,15,175,4,252,234,15,128,244,52,255,129,124,253,252,234,4,239, - 15,133,244,56,129,124,253,194,4,239,15,133,244,56,139,44,252,234,15,175,44, - 194,15,128,244,55,255,252,242,15,16,4,252,234,252,242,15,89,4,199,255,221, - 4,252,234,220,12,199,255,252,242,15,16,4,199,252,242,15,89,4,252,234,255, - 221,4,199,220,12,252,234,255,252,242,15,16,4,252,234,252,242,15,89,4,194, - 255,221,4,252,234,220,12,194,255,252,242,15,16,4,252,234,252,242,15,94,4, - 199,255,221,4,252,234,220,52,199,255,252,242,15,16,4,199,252,242,15,94,4, - 252,234,255,221,4,199,220,52,252,234,255,252,242,15,16,4,252,234,252,242, - 15,94,4,194,255,221,4,252,234,220,52,194,255,252,242,15,16,4,252,234,252, - 242,15,16,12,199,255,221,4,252,234,221,4,199,255,252,242,15,16,4,199,252, - 242,15,16,12,252,234,255,221,4,199,221,4,252,234,255,252,242,15,16,4,252, - 234,252,242,15,16,12,194,255,221,4,252,234,221,4,194,255,248,168,232,244, - 157,255,252,233,244,168,255,232,244,117,255,15,182,252,236,15,182,192,139, - 76,36,96,137,145,233,141,20,194,65,137,192,65,41,232,248,36,137,205,137,116, - 36,100,232,251,1,29,139,149,233,133,192,15,133,244,45,15,182,110,252,255, - 15,182,78,252,253,72,139,4,252,234,72,137,4,202,139,6,15,182,204,15,182,232, - 131,198,4,193,232,16,252,255,36,252,235,255,72,252,247,208,139,4,135,199, - 68,202,4,237,137,4,202,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252, - 255,36,252,235,255,15,191,192,199,68,202,4,237,137,4,202,255,15,191,192,252, - 242,15,42,192,252,242,15,17,4,202,255,223,70,252,254,221,28,202,255,252,242, - 15,16,4,199,252,242,15,17,4,202,255,221,4,199,221,28,202,255,72,252,247,208, - 137,68,202,4,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36, - 252,235,255,141,76,202,12,141,68,194,4,189,237,137,105,252,248,248,1,137, - 41,131,193,8,57,193,15,134,244,1,139,6,15,182,204,15,182,232,131,198,4,193, - 232,16,252,255,36,252,235,255,139,106,252,248,139,172,253,133,233,139,173, - 233,72,139,69,0,72,137,4,202,139,6,15,182,204,15,182,232,131,198,4,193,232, - 16,252,255,36,252,235,255,139,106,252,248,139,172,253,141,233,128,189,233, - 0,139,173,233,139,12,194,139,68,194,4,137,77,0,137,69,4,15,132,244,247,252, - 246,133,233,235,15,133,244,248,248,1,139,6,15,182,204,15,182,232,131,198, - 4,193,232,16,252,255,36,252,235,248,2,129,232,239,129,252,248,239,15,134, - 244,1,252,246,129,233,235,15,132,244,1,135,213,141,139,233,255,232,251,1, - 30,137,252,234,252,233,244,1,255,72,252,247,208,139,106,252,248,139,172,253, - 141,233,139,12,135,139,133,233,137,8,199,64,4,237,252,246,133,233,235,15, - 133,244,248,248,1,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255, - 36,252,235,248,2,252,246,129,233,235,15,132,244,1,128,189,233,0,15,132,244, - 1,137,213,137,194,141,139,233,232,251,1,30,137,252,234,252,233,244,1,255, - 139,106,252,248,255,252,242,15,16,4,199,255,139,172,253,141,233,139,141,233, - 255,252,242,15,17,1,255,221,25,255,72,252,247,208,139,106,252,248,139,172, - 253,141,233,139,141,233,137,65,4,139,6,15,182,204,15,182,232,131,198,4,193, - 232,16,252,255,36,252,235,255,141,180,253,134,233,139,108,36,96,131,189,233, - 0,15,132,244,247,137,149,233,141,20,202,137,252,233,232,251,1,31,139,149, - 233,248,1,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,252, - 235,255,72,252,247,208,139,108,36,96,137,149,233,68,139,66,252,248,139,20, - 135,137,252,233,137,116,36,100,232,251,1,32,139,149,233,15,182,78,252,253, - 137,4,202,199,68,202,4,237,139,6,15,182,204,15,182,232,131,198,4,193,232, - 16,252,255,36,252,235,255,139,108,36,96,137,149,233,139,139,233,59,139,233, - 137,116,36,100,15,131,244,251,248,1,65,137,192,37,252,255,7,0,0,65,193,232, - 11,61,252,255,7,0,0,15,132,244,249,248,2,137,252,233,137,194,232,251,1,33, - 139,149,233,15,182,78,252,253,137,4,202,199,68,202,4,237,139,6,15,182,204, - 15,182,232,131,198,4,193,232,16,252,255,36,252,235,248,3,184,1,8,0,0,252, - 233,244,2,248,5,137,252,233,232,251,1,34,15,183,70,252,254,252,233,244,1, - 255,72,252,247,208,139,108,36,96,139,139,233,137,116,36,100,59,139,233,137, - 149,233,15,131,244,249,248,2,139,20,135,137,252,233,232,251,1,35,139,149, - 233,15,182,78,252,253,137,4,202,199,68,202,4,237,139,6,15,182,204,15,182, - 232,131,198,4,193,232,16,252,255,36,252,235,248,3,137,252,233,232,251,1,34, - 15,183,70,252,254,72,252,247,208,252,233,244,2,255,72,252,247,208,139,106, - 252,248,139,173,233,139,4,135,252,233,244,169,255,72,252,247,208,139,106, - 252,248,139,173,233,139,4,135,252,233,244,170,255,15,182,252,236,15,182,192, - 129,124,253,252,234,4,239,15,133,244,39,139,44,252,234,255,129,124,253,194, - 4,239,15,133,244,251,139,4,194,255,129,124,253,194,4,239,15,131,244,251,255, - 252,242,15,16,4,194,252,242,15,45,192,252,242,15,42,200,102,15,46,193,255, - 15,133,244,39,255,59,133,233,15,131,244,39,193,224,3,3,133,233,129,120,253, - 4,239,15,132,244,248,72,139,40,72,137,44,202,248,1,139,6,15,182,204,15,182, - 232,131,198,4,193,232,16,252,255,36,252,235,248,2,131,189,233,0,15,132,244, - 249,139,141,233,252,246,129,233,235,15,132,244,39,15,182,78,252,253,248,3, - 199,68,202,4,237,252,233,244,1,248,5,255,129,124,253,194,4,239,15,133,244, - 39,139,4,194,252,233,244,169,255,15,182,252,236,15,182,192,72,252,247,208, - 139,4,135,129,124,253,252,234,4,239,15,133,244,37,139,44,252,234,248,169, - 139,141,233,35,136,233,105,201,239,3,141,233,248,1,129,185,233,239,15,133, - 244,250,57,129,233,15,133,244,250,129,121,253,4,239,15,132,244,251,15,182, - 70,252,253,72,139,41,72,137,44,194,248,2,255,139,6,15,182,204,15,182,232, - 131,198,4,193,232,16,252,255,36,252,235,248,3,15,182,70,252,253,199,68,194, - 4,237,252,233,244,2,248,4,139,137,233,133,201,15,133,244,1,248,5,139,141, - 233,133,201,15,132,244,3,252,246,129,233,235,15,133,244,3,252,233,244,37, - 255,15,182,252,236,15,182,192,129,124,253,252,234,4,239,15,133,244,38,139, - 44,252,234,59,133,233,15,131,244,38,193,224,3,3,133,233,129,120,253,4,239, - 15,132,244,248,72,139,40,72,137,44,202,248,1,139,6,15,182,204,15,182,232, - 131,198,4,193,232,16,252,255,36,252,235,248,2,131,189,233,0,15,132,244,249, - 139,141,233,252,246,129,233,235,15,132,244,38,255,15,182,78,252,253,248,3, - 199,68,202,4,237,252,233,244,1,255,15,182,252,236,15,182,192,129,124,253, - 252,234,4,239,15,133,244,42,139,44,252,234,255,15,133,244,42,255,59,133,233, - 15,131,244,42,193,224,3,3,133,233,129,120,253,4,239,15,132,244,249,248,1, - 252,246,133,233,235,15,133,244,253,248,2,72,139,44,202,72,137,40,139,6,15, - 182,204,15,182,232,131,198,4,193,232,16,252,255,36,252,235,248,3,131,189, - 233,0,15,132,244,1,139,141,233,252,246,129,233,235,255,15,132,244,42,15,182, - 78,252,253,252,233,244,1,248,5,129,124,253,194,4,239,15,133,244,42,139,4, - 194,252,233,244,170,248,7,128,165,233,235,139,139,233,137,171,233,137,141, - 233,15,182,78,252,253,252,233,244,2,255,15,182,252,236,15,182,192,72,252, - 247,208,139,4,135,129,124,253,252,234,4,239,15,133,244,40,139,44,252,234, - 248,170,139,141,233,35,136,233,105,201,239,198,133,233,0,3,141,233,248,1, - 129,185,233,239,15,133,244,251,57,129,233,15,133,244,251,129,121,253,4,239, - 15,132,244,250,248,2,255,252,246,133,233,235,15,133,244,253,248,3,15,182, - 70,252,253,72,139,44,194,72,137,41,139,6,15,182,204,15,182,232,131,198,4, - 193,232,16,252,255,36,252,235,248,4,131,189,233,0,15,132,244,2,137,76,36, - 80,139,141,233,252,246,129,233,235,15,132,244,40,139,76,36,80,252,233,244, - 2,248,5,139,137,233,133,201,15,133,244,1,255,139,141,233,133,201,15,132,244, - 252,252,246,129,233,235,15,132,244,40,248,6,137,68,36,80,199,68,36,84,237, - 137,108,36,32,139,76,36,96,137,145,233,76,141,68,36,80,137,252,234,137,205, - 137,116,36,100,232,251,1,36,139,149,233,139,108,36,32,137,193,252,233,244, - 2,248,7,128,165,233,235,139,131,233,137,171,233,137,133,233,252,233,244,3, - 255,15,182,252,236,15,182,192,129,124,253,252,234,4,239,15,133,244,41,139, - 44,252,234,59,133,233,15,131,244,41,193,224,3,3,133,233,129,120,253,4,239, - 15,132,244,249,248,1,252,246,133,233,235,15,133,244,253,248,2,72,139,12,202, - 72,137,8,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,252, - 235,248,3,131,189,233,0,15,132,244,1,255,139,141,233,252,246,129,233,235, - 15,132,244,41,15,182,78,252,253,252,233,244,1,248,7,128,165,233,235,139,139, - 233,137,171,233,137,141,233,15,182,78,252,253,252,233,244,2,255,137,124,36, - 80,139,60,199,248,1,141,12,202,139,105,252,248,252,246,133,233,235,15,133, - 244,253,248,2,139,68,36,84,131,232,1,15,132,244,250,1,252,248,59,133,233, - 15,135,244,251,41,252,248,193,231,3,3,189,233,248,3,72,139,41,131,193,8,72, - 137,47,131,199,8,131,232,1,15,133,244,3,248,4,139,124,36,80,139,6,15,182, - 204,15,182,232,131,198,4,193,232,16,252,255,36,252,235,248,5,139,76,36,96, - 137,145,233,137,252,234,65,137,192,137,205,137,116,36,100,232,251,1,37,139, - 149,233,15,182,78,252,253,252,233,244,1,248,7,255,128,165,233,235,139,131, - 233,137,171,233,137,133,233,252,233,244,2,255,3,68,36,84,255,129,124,253, - 202,4,239,139,44,202,15,133,244,59,141,84,202,8,137,114,252,252,139,181,233, - 139,14,15,182,252,233,15,182,205,131,198,4,252,255,36,252,235,255,141,76, - 202,8,137,215,139,105,252,248,129,121,253,252,252,239,15,133,244,29,248,60, - 139,114,252,252,252,247,198,237,15,133,244,253,248,1,137,106,252,248,137, - 68,36,84,131,232,1,15,132,244,249,248,2,72,139,41,131,193,8,72,137,47,131, - 199,8,131,232,1,15,133,244,2,139,106,252,248,248,3,139,68,36,84,128,189,233, - 1,15,135,244,251,248,4,139,181,233,139,14,15,182,252,233,15,182,205,131,198, - 4,252,255,36,252,235,248,5,255,252,247,198,237,15,133,244,4,15,182,78,252, - 253,72,252,247,209,141,12,202,139,121,252,248,139,191,233,139,191,233,252, - 233,244,4,248,7,129,252,238,239,252,247,198,237,15,133,244,254,41,252,242, - 137,215,139,114,252,252,252,233,244,1,248,8,129,198,239,252,233,244,1,255, - 141,76,202,8,72,139,105,232,72,139,65,252,240,72,137,41,72,137,65,8,139,105, - 224,139,65,228,137,105,252,248,137,65,252,252,129,252,248,239,184,237,15, - 133,244,29,137,202,137,114,252,252,139,181,233,139,14,15,182,252,233,15,182, - 205,131,198,4,252,255,36,252,235,255,137,124,36,80,137,92,36,84,139,108,202, - 252,240,139,68,202,252,248,139,157,233,131,198,4,139,189,233,248,1,57,216, - 15,131,244,251,129,124,253,199,4,239,15,132,244,250,255,219,68,202,252,248, - 255,72,139,44,199,72,137,108,202,8,131,192,1,255,137,68,202,252,248,248,2, - 15,183,70,252,254,141,180,253,134,233,248,3,139,92,36,84,139,124,36,80,139, - 6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,252,235,248,4,131, - 192,1,255,137,68,202,252,248,255,252,233,244,1,248,5,41,216,248,6,59,133, - 233,15,135,244,3,105,252,248,239,3,189,233,129,191,233,239,15,132,244,253, - 141,92,24,1,72,139,175,233,72,139,135,233,72,137,44,202,72,137,68,202,8,137, - 92,202,252,248,252,233,244,2,248,7,131,192,1,252,233,244,6,255,129,124,253, - 202,252,236,239,15,133,244,251,139,108,202,232,129,124,253,202,252,244,239, - 15,133,244,251,129,124,253,202,252,252,239,15,133,244,251,128,189,233,235, - 15,133,244,251,141,180,253,134,233,199,68,202,252,248,0,0,0,0,248,1,139,6, - 15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,252,235,248,5,198,70, - 252,252,235,141,180,253,134,233,198,6,235,252,233,244,1,255,15,182,252,236, - 15,182,192,137,124,36,80,141,188,253,194,233,141,12,202,43,122,252,252,133, - 252,237,15,132,244,251,141,108,252,233,252,248,57,215,15,131,244,248,248, - 1,72,139,71,252,248,131,199,8,72,137,1,131,193,8,57,252,233,15,131,244,249, - 57,215,15,130,244,1,248,2,199,65,4,237,131,193,8,57,252,233,15,130,244,2, - 248,3,139,124,36,80,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252, - 255,36,252,235,248,5,199,68,36,84,1,0,0,0,137,208,41,252,248,15,134,244,3, - 137,197,193,252,237,3,131,197,1,137,108,36,84,139,108,36,96,1,200,59,133, - 233,15,135,244,253,248,6,255,72,139,71,252,248,131,199,8,72,137,1,131,193, - 8,57,215,15,130,244,6,252,233,244,3,248,7,137,149,233,137,141,233,137,116, - 36,100,41,215,139,84,36,84,131,252,234,1,137,252,233,232,251,1,0,139,149, - 233,139,141,233,1,215,252,233,244,6,255,193,225,3,255,248,1,139,114,252,252, - 137,68,36,84,252,247,198,237,15,133,244,253,255,248,13,137,215,131,232,1, - 15,132,244,249,248,2,72,139,44,15,72,137,111,252,248,131,199,8,131,232,1, - 15,133,244,2,248,3,139,68,36,84,15,182,110,252,255,248,5,57,197,15,135,244, - 252,255,72,139,44,10,72,137,106,252,248,255,248,5,56,70,252,255,15,135,244, - 252,255,15,182,78,252,253,72,252,247,209,141,20,202,139,122,252,248,139,191, - 233,139,191,233,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255, - 36,252,235,248,6,255,199,71,252,252,237,131,199,8,255,199,68,194,252,244, - 237,255,131,192,1,252,233,244,5,248,7,141,174,233,252,247,197,237,15,133, - 244,14,41,252,234,255,1,252,233,255,137,252,245,209,252,237,129,229,239,102, - 129,172,253,43,233,238,15,130,244,149,255,141,12,202,255,129,121,253,4,239, - 15,133,244,255,255,129,121,253,12,239,15,133,244,61,129,121,253,20,239,15, - 133,244,61,139,41,131,121,16,0,15,140,244,251,255,129,121,253,12,239,15,133, - 244,165,129,121,253,20,239,15,133,244,165,255,139,105,16,133,252,237,15,136, - 244,251,3,41,15,128,244,247,137,41,255,59,105,8,199,65,28,237,137,105,24, - 255,15,142,244,253,248,1,248,6,141,180,253,134,233,255,141,180,253,134,233, - 15,183,70,252,254,15,142,245,248,1,248,6,255,15,143,244,253,248,6,141,180, - 253,134,233,248,1,255,248,7,139,6,15,182,204,15,182,232,131,198,4,193,232, - 16,252,255,36,252,235,248,5,255,3,41,15,128,244,1,137,41,255,15,141,244,7, - 255,141,180,253,134,233,15,183,70,252,254,15,141,245,255,15,140,244,7,255, - 252,233,244,6,248,9,255,129,121,253,4,239,255,15,131,244,61,129,121,253,12, - 239,15,131,244,61,255,129,121,253,12,239,15,131,244,165,129,121,253,20,239, - 15,131,244,165,255,139,105,20,255,129,252,253,239,15,131,244,61,255,252,242, - 15,16,1,252,242,15,16,73,8,255,252,242,15,88,65,16,252,242,15,17,1,133,252, - 237,15,136,244,249,255,15,140,244,249,255,102,15,46,200,248,1,252,242,15, - 17,65,24,255,221,65,8,221,1,255,220,65,16,221,17,221,81,24,133,252,237,15, - 136,244,247,255,221,81,24,15,140,244,247,255,217,201,248,1,255,15,183,70, - 252,254,255,15,131,244,7,255,15,131,244,248,141,180,253,134,233,255,141,180, - 253,134,233,15,183,70,252,254,15,131,245,255,15,130,244,7,255,15,130,244, - 248,141,180,253,134,233,255,248,3,102,15,46,193,252,233,244,1,255,141,12, - 202,139,105,4,129,252,253,239,15,132,244,247,255,137,105,252,252,139,41,137, - 105,252,248,252,233,245,255,141,180,253,134,233,139,1,137,105,252,252,137, - 65,252,248,255,139,139,233,139,4,129,72,139,128,233,139,108,36,96,137,147, - 233,137,171,233,76,137,100,36,80,76,137,108,36,32,76,137,116,36,24,76,137, - 124,36,16,72,137,225,72,129,252,236,239,102,15,127,49,102,15,127,185,233, - 102,68,15,127,129,233,102,68,15,127,137,233,102,68,15,127,145,233,102,68, - 15,127,153,233,102,68,15,127,161,233,102,68,15,127,169,233,102,68,15,127, - 177,233,102,68,15,127,185,233,252,255,224,255,141,180,253,134,233,139,6,15, - 182,204,15,182,232,131,198,4,193,232,16,252,255,36,252,235,255,137,252,245, - 209,252,237,129,229,239,102,129,172,253,43,233,238,15,130,244,151,255,139, - 190,233,139,108,36,96,141,12,202,59,141,233,15,135,244,24,15,182,142,233, - 57,200,15,134,244,249,248,2,255,15,183,70,252,254,252,233,245,255,248,3,199, - 68,194,252,252,237,131,192,1,57,200,15,134,244,3,252,233,244,2,255,141,44, - 197,237,141,4,194,139,122,252,248,137,104,252,252,137,120,252,248,139,108, - 36,96,141,12,200,59,141,233,15,135,244,23,137,209,137,194,15,182,174,233, - 133,252,237,15,132,244,248,248,1,131,193,8,57,209,15,131,244,249,139,121, - 252,248,137,56,139,121,252,252,137,120,4,131,192,8,199,65,252,252,237,131, - 252,237,1,15,133,244,1,248,2,255,139,190,233,139,6,15,182,204,15,182,232, - 131,198,4,193,232,16,252,255,36,252,235,255,248,3,199,64,4,237,131,192,8, - 131,252,237,1,15,133,244,3,252,233,244,2,255,139,106,252,248,72,139,189,233, - 139,108,36,96,141,68,194,252,248,137,149,233,141,136,233,59,141,233,137,133, - 233,255,72,137,252,250,137,252,233,255,15,135,244,22,199,131,233,237,255, - 252,255,215,255,252,255,147,233,255,199,131,233,237,139,149,233,141,12,194, - 252,247,217,3,141,233,139,114,252,252,252,233,244,12,255,254,0 -}; - -enum { - GLOB_vm_returnp, - GLOB_cont_dispatch, - GLOB_vm_returnc, - GLOB_BC_RET_Z, - GLOB_vm_return, - GLOB_vm_leave_cp, - GLOB_vm_leave_unw, - GLOB_vm_unwind_c, - GLOB_vm_unwind_c_eh, - GLOB_vm_unwind_rethrow, - GLOB_vm_unwind_ff, - GLOB_vm_unwind_ff_eh, - GLOB_vm_growstack_c, - GLOB_vm_growstack_v, - GLOB_vm_growstack_f, - GLOB_vm_resume, - GLOB_vm_pcall, - GLOB_vm_call, - GLOB_vm_call_dispatch, - GLOB_vmeta_call, - GLOB_vm_call_dispatch_f, - GLOB_vm_cpcall, - GLOB_cont_ffi_callback, - GLOB_vm_call_tail, - GLOB_cont_cat, - GLOB_cont_ra, - GLOB_BC_CAT_Z, - GLOB_vmeta_tgets, - GLOB_vmeta_tgetb, - GLOB_vmeta_tgetv, - GLOB_vmeta_tsets, - GLOB_vmeta_tsetb, - GLOB_vmeta_tsetv, - GLOB_cont_nop, - GLOB_vmeta_comp, - GLOB_vmeta_binop, - GLOB_cont_condt, - GLOB_cont_condf, - GLOB_vmeta_equal, - GLOB_vmeta_equal_cd, - GLOB_vmeta_arith_vno, - GLOB_vmeta_arith_vn, - GLOB_vmeta_arith_nvo, - GLOB_vmeta_arith_nv, - GLOB_vmeta_unm, - GLOB_vmeta_arith_vvo, - GLOB_vmeta_arith_vv, - GLOB_vmeta_len, - GLOB_BC_LEN_Z, - GLOB_vmeta_call_ra, - GLOB_BC_CALLT_Z, - GLOB_vmeta_for, - GLOB_ff_assert, - GLOB_fff_fallback, - GLOB_fff_res_, - GLOB_ff_type, - GLOB_fff_res1, - GLOB_ff_getmetatable, - GLOB_ff_setmetatable, - GLOB_ff_rawget, - GLOB_ff_tonumber, - GLOB_fff_resi, - GLOB_fff_resxmm0, - GLOB_fff_resn, - GLOB_ff_tostring, - GLOB_fff_gcstep, - GLOB_ff_next, - GLOB_fff_res2, - GLOB_fff_res, - GLOB_ff_pairs, - GLOB_ff_ipairs_aux, - GLOB_fff_res0, - GLOB_ff_ipairs, - GLOB_ff_pcall, - GLOB_ff_xpcall, - GLOB_ff_coroutine_resume, - GLOB_ff_coroutine_wrap_aux, - GLOB_ff_coroutine_yield, - GLOB_ff_math_abs, - GLOB_fff_resbit, - GLOB_ff_math_floor, - GLOB_vm_floor, - GLOB_ff_math_ceil, - GLOB_vm_ceil, - GLOB_ff_math_sqrt, - GLOB_ff_math_log, - GLOB_ff_math_log10, - GLOB_ff_math_exp, - GLOB_vm_exp_x87, - GLOB_ff_math_sin, - GLOB_ff_math_cos, - GLOB_ff_math_tan, - GLOB_ff_math_asin, - GLOB_ff_math_acos, - GLOB_ff_math_atan, - GLOB_ff_math_sinh, - GLOB_ff_math_cosh, - GLOB_ff_math_tanh, - GLOB_ff_math_deg, - GLOB_ff_math_rad, - GLOB_ff_math_atan2, - GLOB_ff_math_ldexp, - GLOB_ff_math_frexp, - GLOB_ff_math_modf, - GLOB_vm_trunc, - GLOB_ff_math_fmod, - GLOB_ff_math_pow, - GLOB_vm_pow, - GLOB_ff_math_min, - GLOB_ff_math_max, - GLOB_ff_string_len, - GLOB_ff_string_byte, - GLOB_ff_string_char, - GLOB_fff_newstr, - GLOB_ff_string_sub, - GLOB_fff_emptystr, - GLOB_ff_string_rep, - GLOB_fff_fallback_2, - GLOB_ff_string_reverse, - GLOB_fff_fallback_1, - GLOB_ff_string_lower, - GLOB_ff_string_upper, - GLOB_ff_table_getn, - GLOB_ff_bit_tobit, - GLOB_ff_bit_band, - GLOB_fff_fallback_bit_op, - GLOB_ff_bit_bor, - GLOB_ff_bit_bxor, - GLOB_ff_bit_bswap, - GLOB_ff_bit_bnot, - GLOB_ff_bit_lshift, - GLOB_ff_bit_rshift, - GLOB_ff_bit_arshift, - GLOB_ff_bit_rol, - GLOB_ff_bit_ror, - GLOB_vm_record, - GLOB_vm_rethook, - GLOB_vm_inshook, - GLOB_cont_hook, - GLOB_vm_hotloop, - GLOB_vm_callhook, - GLOB_vm_hotcall, - GLOB_vm_exit_handler, - GLOB_vm_exit_interp, - GLOB_vm_floor_sse, - GLOB_vm_ceil_sse, - GLOB_vm_trunc_sse, - GLOB_vm_mod, - GLOB_vm_exp2_x87, - GLOB_vm_exp2raw, - GLOB_vm_pow_sse, - GLOB_vm_powi_sse, - GLOB_vm_foldfpm, - GLOB_vm_foldarith, - GLOB_vm_cpuid, - GLOB_assert_bad_for_arg_type, - GLOB_vm_ffi_callback, - GLOB_vm_ffi_call, - GLOB_BC_MODVN_Z, - GLOB_BC_TGETS_Z, - GLOB_BC_TSETS_Z, - GLOB__MAX -}; -static const char *const globnames[] = { - "vm_returnp", - "cont_dispatch", - "vm_returnc", - "BC_RET_Z", - "vm_return", - "vm_leave_cp", - "vm_leave_unw", - "vm_unwind_c@8", - "vm_unwind_c_eh", - "vm_unwind_rethrow", - "vm_unwind_ff@4", - "vm_unwind_ff_eh", - "vm_growstack_c", - "vm_growstack_v", - "vm_growstack_f", - "vm_resume", - "vm_pcall", - "vm_call", - "vm_call_dispatch", - "vmeta_call", - "vm_call_dispatch_f", - "vm_cpcall", - "cont_ffi_callback", - "vm_call_tail", - "cont_cat", - "cont_ra", - "BC_CAT_Z", - "vmeta_tgets", - "vmeta_tgetb", - "vmeta_tgetv", - "vmeta_tsets", - "vmeta_tsetb", - "vmeta_tsetv", - "cont_nop", - "vmeta_comp", - "vmeta_binop", - "cont_condt", - "cont_condf", - "vmeta_equal", - "vmeta_equal_cd", - "vmeta_arith_vno", - "vmeta_arith_vn", - "vmeta_arith_nvo", - "vmeta_arith_nv", - "vmeta_unm", - "vmeta_arith_vvo", - "vmeta_arith_vv", - "vmeta_len", - "BC_LEN_Z", - "vmeta_call_ra", - "BC_CALLT_Z", - "vmeta_for", - "ff_assert", - "fff_fallback", - "fff_res_", - "ff_type", - "fff_res1", - "ff_getmetatable", - "ff_setmetatable", - "ff_rawget", - "ff_tonumber", - "fff_resi", - "fff_resxmm0", - "fff_resn", - "ff_tostring", - "fff_gcstep", - "ff_next", - "fff_res2", - "fff_res", - "ff_pairs", - "ff_ipairs_aux", - "fff_res0", - "ff_ipairs", - "ff_pcall", - "ff_xpcall", - "ff_coroutine_resume", - "ff_coroutine_wrap_aux", - "ff_coroutine_yield", - "ff_math_abs", - "fff_resbit", - "ff_math_floor", - "vm_floor", - "ff_math_ceil", - "vm_ceil", - "ff_math_sqrt", - "ff_math_log", - "ff_math_log10", - "ff_math_exp", - "vm_exp_x87", - "ff_math_sin", - "ff_math_cos", - "ff_math_tan", - "ff_math_asin", - "ff_math_acos", - "ff_math_atan", - "ff_math_sinh", - "ff_math_cosh", - "ff_math_tanh", - "ff_math_deg", - "ff_math_rad", - "ff_math_atan2", - "ff_math_ldexp", - "ff_math_frexp", - "ff_math_modf", - "vm_trunc", - "ff_math_fmod", - "ff_math_pow", - "vm_pow", - "ff_math_min", - "ff_math_max", - "ff_string_len", - "ff_string_byte", - "ff_string_char", - "fff_newstr", - "ff_string_sub", - "fff_emptystr", - "ff_string_rep", - "fff_fallback_2", - "ff_string_reverse", - "fff_fallback_1", - "ff_string_lower", - "ff_string_upper", - "ff_table_getn", - "ff_bit_tobit", - "ff_bit_band", - "fff_fallback_bit_op", - "ff_bit_bor", - "ff_bit_bxor", - "ff_bit_bswap", - "ff_bit_bnot", - "ff_bit_lshift", - "ff_bit_rshift", - "ff_bit_arshift", - "ff_bit_rol", - "ff_bit_ror", - "vm_record", - "vm_rethook", - "vm_inshook", - "cont_hook", - "vm_hotloop", - "vm_callhook", - "vm_hotcall", - "vm_exit_handler", - "vm_exit_interp", - "vm_floor_sse", - "vm_ceil_sse", - "vm_trunc_sse", - "vm_mod", - "vm_exp2_x87", - "vm_exp2raw", - "vm_pow_sse", - "vm_powi_sse", - "vm_foldfpm", - "vm_foldarith", - "vm_cpuid", - "assert_bad_for_arg_type", - "vm_ffi_callback", - "vm_ffi_call@4", - "BC_MODVN_Z", - "BC_TGETS_Z", - "BC_TSETS_Z", - (const char *)0 -}; -static const char *const extnames[] = { - "lj_state_growstack@8", - "lj_meta_tget", - "lj_meta_tset", - "lj_meta_comp", - "lj_meta_equal", - "lj_meta_equal_cd@8", - "lj_meta_arith", - "lj_meta_len@8", - "lj_meta_call", - "lj_meta_for@8", - "lj_tab_get", - "lj_str_fromnumber@8", - "lj_str_fromnum@8", - "lj_tab_next", - "lj_tab_getinth@8", - "lj_ffh_coroutine_wrap_err@8", - "lj_vm_sinh", - "lj_vm_cosh", - "lj_vm_tanh", - "lj_str_new", - "lj_tab_len@4", - "lj_gc_step@4", - "lj_dispatch_ins@8", - "lj_trace_hot@8", - "lj_dispatch_call@8", - "lj_trace_exit@8", - "lj_err_throw@8", - "lj_ccallback_enter@8", - "lj_ccallback_leave@8", - "lj_meta_cat", - "lj_gc_barrieruv@8", - "lj_func_closeuv@8", - "lj_func_newL_gc", - "lj_tab_new", - "lj_gc_step_fixtop@4", - "lj_tab_dup@8", - "lj_tab_newkey", - "lj_tab_reasize", - (const char *)0 -}; -#define Dt1(_V) (int)(ptrdiff_t)&(((lua_State *)0)_V) -#define Dt2(_V) (int)(ptrdiff_t)&(((global_State *)0)_V) -#define Dt3(_V) (int)(ptrdiff_t)&(((TValue *)0)_V) -#define Dt4(_V) (int)(ptrdiff_t)&(((GCobj *)0)_V) -#define Dt5(_V) (int)(ptrdiff_t)&(((GCstr *)0)_V) -#define Dt6(_V) (int)(ptrdiff_t)&(((GCtab *)0)_V) -#define Dt7(_V) (int)(ptrdiff_t)&(((GCfuncL *)0)_V) -#define Dt8(_V) (int)(ptrdiff_t)&(((GCfuncC *)0)_V) -#define Dt9(_V) (int)(ptrdiff_t)&(((GCproto *)0)_V) -#define DtA(_V) (int)(ptrdiff_t)&(((GCupval *)0)_V) -#define DtB(_V) (int)(ptrdiff_t)&(((Node *)0)_V) -#define DtC(_V) (int)(ptrdiff_t)&(((int *)0)_V) -#define DtD(_V) (int)(ptrdiff_t)&(((GCtrace *)0)_V) -#define DISPATCH_GL(field) (GG_DISP2G + (int)offsetof(global_State, field)) -#define DISPATCH_J(field) (GG_DISP2J + (int)offsetof(jit_State, field)) -#define PC2PROTO(field) ((int)offsetof(GCproto, field)-(int)sizeof(GCproto)) - -/* Generate subroutines used by opcodes and other parts of the VM. */ -/* The .code_sub section should be last to help static branch prediction. */ -static void build_subroutines(BuildCtx *ctx, int cmov, int sse) -{ - dasm_put(Dst, 0); - dasm_put(Dst, 2, FRAME_P, LJ_TTRUE, FRAME_TYPE, FRAME_C, FRAME_TYPE, DISPATCH_GL(vmstate), ~LJ_VMST_C); - dasm_put(Dst, 109, Dt1(->base), Dt1(->top), Dt1(->cframe), Dt1(->maxstack), LJ_TNIL); - dasm_put(Dst, 198, Dt1(->top), Dt1(->top), Dt1(->glref), Dt2(->vmstate), ~LJ_VMST_C, CFRAME_RAWMASK); - dasm_put(Dst, 276, 1+1, Dt1(->base), Dt1(->glref), GG_G2DISP, LJ_TFALSE, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, LUA_MINSTACK, -4+PC2PROTO(framesize), Dt1(->base)); - dasm_put(Dst, 356, Dt1(->top), Dt1(->base), Dt1(->top), Dt7(->pc), FRAME_CP, CFRAME_RESUME, Dt1(->glref), GG_G2DISP, Dt1(->cframe), Dt1(->status), DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->status), Dt1(->base), Dt1(->top), FRAME_TYPE); - dasm_put(Dst, 511, FRAME_CP, FRAME_C, Dt1(->cframe), Dt1(->cframe), Dt1(->glref), GG_G2DISP, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->base)); - dasm_put(Dst, 604, Dt1(->top), LJ_TFUNC, Dt7(->pc), Dt1(->stack), Dt1(->top), Dt1(->cframe), Dt1(->cframe), FRAME_CP, LJ_TNIL); -#if LJ_HASFFI - dasm_put(Dst, 764); -#endif - dasm_put(Dst, 773, 0); -#if LJ_HASFFI -#endif - dasm_put(Dst, 782, Dt7(->pc), PC2PROTO(k)); -#if LJ_HASFFI - dasm_put(Dst, 796); -#endif - dasm_put(Dst, 817, Dt1(->base), LJ_TSTR, BC_GGET, DISPATCH_GL(tmptv), LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 917, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 927); - } else { - } - dasm_put(Dst, 940, Dt1(->base), Dt1(->base), Dt1(->top), FRAME_CONT, 2+1, LJ_TSTR, BC_GSET); - dasm_put(Dst, 1087, DISPATCH_GL(tmptv), LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 917, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 927); - } else { - } - dasm_put(Dst, 1110, Dt1(->base), Dt1(->base), Dt1(->top), FRAME_CONT, 3+1, Dt1(->base), Dt1(->base)); - dasm_put(Dst, 1283, -BCBIAS_J*4, LJ_TISTRUECOND, LJ_TISTRUECOND, Dt1(->base)); - dasm_put(Dst, 1383); -#if LJ_HASFFI - dasm_put(Dst, 1403, Dt1(->base)); -#endif - dasm_put(Dst, 1434); -#if LJ_DUALNUM - dasm_put(Dst, 1437); -#endif - dasm_put(Dst, 1443); -#if LJ_DUALNUM - dasm_put(Dst, 911); -#endif - dasm_put(Dst, 1455); -#if LJ_DUALNUM - dasm_put(Dst, 1437); -#endif - dasm_put(Dst, 1483, Dt1(->base), Dt1(->base), FRAME_CONT, 2+1, Dt1(->base), Dt1(->base)); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 1589); -#else - dasm_put(Dst, 1608); -#endif - dasm_put(Dst, 1613, Dt1(->base), Dt1(->base), Dt7(->pc), Dt1(->base), Dt1(->base), GG_DISP2STATIC, 1+1, LJ_TISTRUECOND); - dasm_put(Dst, 1799, 1+1, ~LJ_TNUMX); - if (cmov) { - dasm_put(Dst, 1868); - } else { - dasm_put(Dst, 1872); - } - dasm_put(Dst, 1881, ((char *)(&((GCfuncC *)0)->upvalue)), LJ_TSTR, ~LJ_TLIGHTUD, 1+1, LJ_TTAB, Dt6(->metatable), LJ_TNIL); - dasm_put(Dst, 1960, DISPATCH_GL(gcroot)+4*(GCROOT_MMNAME+MM_metatable), LJ_TTAB, Dt6(->hmask), Dt5(->hash), sizeof(Node), Dt6(->node), DtB(->key.it), LJ_TSTR, DtB(->key.gcr), DtB(->next)); - dasm_put(Dst, 2017, LJ_TNIL, LJ_TUDATA, LJ_TNUMX, LJ_TISNUM, LJ_TLIGHTUD); - dasm_put(Dst, 2083, LJ_TNUMX, DISPATCH_GL(gcroot[GCROOT_BASEMT]), 2+1, LJ_TTAB, Dt6(->metatable), LJ_TTAB, Dt6(->metatable), LJ_TTAB); - dasm_put(Dst, 2153, Dt6(->marked), LJ_GC_BLACK, Dt6(->marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist), 2+1, LJ_TTAB); - dasm_put(Dst, 2242, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 2256); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 2278); - } else { - dasm_put(Dst, 2288); - } - dasm_put(Dst, 2295, 1+1, LJ_TSTR, LJ_TSTR, LJ_TISNUM, DISPATCH_GL(gcroot[GCROOT_BASEMT_NUM]), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - dasm_put(Dst, 2361, Dt1(->base)); - if (LJ_DUALNUM) { - dasm_put(Dst, 2385); - } else { - dasm_put(Dst, 2390); - } - dasm_put(Dst, 2395, Dt1(->base), 1+1, LJ_TTAB, Dt1(->base), Dt1(->top), Dt1(->base), 1+2); - dasm_put(Dst, 2488, LJ_TNIL, LJ_TNIL, 1+1, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 2535, Dt6(->metatable)); -#endif - dasm_put(Dst, 2544, Dt8(->upvalue[0]), LJ_TFUNC, LJ_TNIL, 1+3, 1+1, LJ_TTAB, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 2530); - } else { - dasm_put(Dst, 2273); - } - dasm_put(Dst, 2599); - if (LJ_DUALNUM) { - dasm_put(Dst, 2604, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 2620, (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32)); - } else { - } - dasm_put(Dst, 2653, Dt6(->asize), Dt6(->array), LJ_TNIL, Dt6(->hmask), 1+0); - dasm_put(Dst, 2515, 1+1, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 2535, Dt6(->metatable)); -#endif - dasm_put(Dst, 2730, Dt8(->upvalue[0]), LJ_TFUNC); - if (LJ_DUALNUM) { - dasm_put(Dst, 2751, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 2763); - } else { - dasm_put(Dst, 2773); - } - dasm_put(Dst, 2780, 1+3, 1+1, 8+FRAME_PCALL, DISPATCH_GL(hookmask), HOOK_ACTIVE_SHIFT, 2+1, LJ_TFUNC); - dasm_put(Dst, 2844, LJ_TFUNC, 16+FRAME_PCALL, 1+1, LJ_TTHREAD, Dt1(->cframe), Dt1(->status), LUA_YIELD, Dt1(->top)); - dasm_put(Dst, 2934, Dt1(->base), Dt1(->maxstack), Dt1(->top), Dt1(->base), Dt1(->top), DISPATCH_GL(vmstate), ~LJ_VMST_INTERP); - dasm_put(Dst, 3022, Dt1(->base), LUA_YIELD, Dt1(->base), Dt1(->top), Dt1(->top), Dt1(->maxstack), LJ_TTRUE, FRAME_TYPE); - dasm_put(Dst, 3135, LJ_TFALSE, Dt1(->top), Dt1(->top), 1+2, Dt1(->top), Dt1(->base), Dt8(->upvalue[0].gcr), Dt1(->cframe)); - dasm_put(Dst, 3233, Dt1(->status), LUA_YIELD, Dt1(->top), Dt1(->base), Dt1(->maxstack), Dt1(->top), Dt1(->base), Dt1(->top)); - dasm_put(Dst, 3300, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->base), LUA_YIELD, Dt1(->base), Dt1(->top), Dt1(->top), Dt1(->maxstack)); - dasm_put(Dst, 3388, FRAME_TYPE, Dt1(->top), Dt1(->base), Dt1(->cframe), CFRAME_RESUME); - dasm_put(Dst, 3500, Dt1(->base), Dt1(->top), Dt1(->cframe), LUA_YIELD, Dt1(->status)); - if (!LJ_DUALNUM) { - dasm_put(Dst, 3527); - } - if (sse) { - dasm_put(Dst, 3530); - } - dasm_put(Dst, 3545, 1+1); - if (LJ_DUALNUM) { - dasm_put(Dst, 3556, LJ_TISNUM, LJ_TISNUM); - } else { - dasm_put(Dst, 3636, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 3646, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32)); - } else { - dasm_put(Dst, 3677); - } - dasm_put(Dst, 3694, 1+1, FRAME_TYPE, LJ_TNIL); - if (LJ_DUALNUM) { - dasm_put(Dst, 3790, LJ_TISNUM); - } else { - dasm_put(Dst, 3636, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 3812); - if (LJ_DUALNUM) { - dasm_put(Dst, 3821); - } - dasm_put(Dst, 2283); - } else { - dasm_put(Dst, 3855); - if (LJ_DUALNUM) { - } else { - dasm_put(Dst, 2290); - } - } - dasm_put(Dst, 3861); - if (LJ_DUALNUM) { - dasm_put(Dst, 3790, LJ_TISNUM); - } else { - dasm_put(Dst, 3636, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 3864); - if (LJ_DUALNUM) { - dasm_put(Dst, 3821); - } - dasm_put(Dst, 2283); - } else { - dasm_put(Dst, 3873); - if (LJ_DUALNUM) { - } else { - dasm_put(Dst, 2290); - } - } - if (sse) { - dasm_put(Dst, 3879, 1+1, LJ_TISNUM); - } else { - dasm_put(Dst, 3908, 1+1, LJ_TISNUM); - } - dasm_put(Dst, 3937, 1+1, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1); - dasm_put(Dst, 4006, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1); - dasm_put(Dst, 4063, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1); - dasm_put(Dst, 4126, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1, LJ_TISNUM); - dasm_put(Dst, 4216); - if (sse) { - dasm_put(Dst, 4228, 1+1, LJ_TISNUM); - } else { - } - dasm_put(Dst, 4253); - if (sse) { - dasm_put(Dst, 4267, 1+1, LJ_TISNUM); - } else { - } - dasm_put(Dst, 4292); - if (sse) { - dasm_put(Dst, 4306, 1+1, LJ_TISNUM); - } else { - } - dasm_put(Dst, 4331); - if (sse) { - dasm_put(Dst, 4347, 1+1, LJ_TISNUM, Dt8(->upvalue[0])); - } else { - dasm_put(Dst, 4386, 1+1, LJ_TISNUM, Dt8(->upvalue[0])); - } - dasm_put(Dst, 4419, 2+1, LJ_TISNUM, LJ_TISNUM, 2+1, LJ_TISNUM, LJ_TISNUM); - dasm_put(Dst, 4484, 1+1, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 4583); - } else { - dasm_put(Dst, 4589); - } - dasm_put(Dst, 4598); - if (sse) { - dasm_put(Dst, 4623); - } else { - dasm_put(Dst, 4629); - } - dasm_put(Dst, 4632, 1+2); - if (sse) { - dasm_put(Dst, 4641); - } else { - dasm_put(Dst, 4649); - } - dasm_put(Dst, 4657); - if (sse) { - dasm_put(Dst, 4660, (unsigned int)(U64x(43500000,00000000)), (unsigned int)((U64x(43500000,00000000))>>32)); - } else { - dasm_put(Dst, 4687); - } - dasm_put(Dst, 4706); - if (sse) { - dasm_put(Dst, 4722, 1+1, LJ_TISNUM); - } else { - dasm_put(Dst, 4747, 1+1, LJ_TISNUM); - } - dasm_put(Dst, 4769); - if (sse) { - dasm_put(Dst, 4791); - } else { - dasm_put(Dst, 4817); - } - dasm_put(Dst, 4834, 1+2); - if (sse) { - dasm_put(Dst, 4874); - } else { - dasm_put(Dst, 4882); - } - dasm_put(Dst, 4892, 2+1, LJ_TISNUM, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 4944, 2+1, LJ_TISNUM, LJ_TISNUM); - } else { - dasm_put(Dst, 4991, 2+1, LJ_TISNUM, LJ_TISNUM); - } - dasm_put(Dst, 5032, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5045, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 4583); - } else { - } - dasm_put(Dst, 5095); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 5106, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5127); - } else { - dasm_put(Dst, 2273); - } - dasm_put(Dst, 5148); - } else { - } - dasm_put(Dst, 5173, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5186, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 4583); - } else { - } - dasm_put(Dst, 5095); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 5106, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5127); - } else { - dasm_put(Dst, 2273); - } - dasm_put(Dst, 5236); - } else { - } - if (!sse) { - dasm_put(Dst, 5261); - } - dasm_put(Dst, 5270, 1+1, LJ_TSTR); - if (LJ_DUALNUM) { - dasm_put(Dst, 5292, Dt5(->len)); - } else if (sse) { - dasm_put(Dst, 5300, Dt5(->len)); - } else { - dasm_put(Dst, 5311, Dt5(->len)); - } - dasm_put(Dst, 5319, 1+1, LJ_TSTR, Dt5(->len), Dt5([1])); - if (LJ_DUALNUM) { - dasm_put(Dst, 5295); - } else if (sse) { - dasm_put(Dst, 5357); - } else { - dasm_put(Dst, 5367); - } - dasm_put(Dst, 5380, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5411); - } else if (sse) { - dasm_put(Dst, 5434); - } else { - dasm_put(Dst, 5460); - } - dasm_put(Dst, 5484, Dt1(->base), Dt1(->base), LJ_TSTR, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), 1+2, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5592); - } else if (sse) { - dasm_put(Dst, 5604); - } else { - dasm_put(Dst, 5619); - } - dasm_put(Dst, 5631, LJ_TSTR, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 2530); - } else { - dasm_put(Dst, 2273); - } - dasm_put(Dst, 5648, Dt5(->len)); - if (LJ_DUALNUM) { - dasm_put(Dst, 5658); - } else if (sse) { - dasm_put(Dst, 5662); - } else { - } - dasm_put(Dst, 5669, sizeof(GCstr)-1); - dasm_put(Dst, 5744, 2+1, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - dasm_put(Dst, 5803, LJ_TSTR, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5820); - } else if (sse) { - dasm_put(Dst, 5828); - } else { - dasm_put(Dst, 5839); - } - dasm_put(Dst, 5855, Dt5(->len), DISPATCH_GL(tmpbuf.sz), Dt5([1]), DISPATCH_GL(tmpbuf.buf), DISPATCH_GL(tmpbuf.buf), 1+1); - dasm_put(Dst, 5920, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf)); - dasm_put(Dst, 5983, 1+1, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz)); - dasm_put(Dst, 6054, sizeof(GCstr), DISPATCH_GL(tmpbuf.buf), 1+1); - dasm_put(Dst, 6139, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf)); - dasm_put(Dst, 6209, 1+1, LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 6277); - } else if (sse) { - dasm_put(Dst, 6284); - } else { - } - dasm_put(Dst, 6294, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6310); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6327, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 106); - if (LJ_DUALNUM || sse) { - if (!sse) { - } - dasm_put(Dst, 6351); - } else { - } - dasm_put(Dst, 6356, 1+1); - if (sse) { - dasm_put(Dst, 6367, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - dasm_put(Dst, 6377); - } - dasm_put(Dst, 2250, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6386); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6403); - } else { - } - dasm_put(Dst, 6418, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6443); - } else { - dasm_put(Dst, 6463); - } - if (sse) { - dasm_put(Dst, 6468); - } else { - } - dasm_put(Dst, 6485, 1+1); - if (sse) { - dasm_put(Dst, 6367, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - dasm_put(Dst, 6377); - } - dasm_put(Dst, 2250, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6386); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6403); - } else { - } - dasm_put(Dst, 6418, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6503); - } else { - dasm_put(Dst, 6463); - } - if (sse) { - dasm_put(Dst, 6523); - } else { - } - dasm_put(Dst, 6540, 1+1); - if (sse) { - dasm_put(Dst, 6367, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - dasm_put(Dst, 6377); - } - dasm_put(Dst, 2250, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6386); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6403); - } else { - } - dasm_put(Dst, 6418, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6558); - } else { - dasm_put(Dst, 6463); - } - if (sse) { - dasm_put(Dst, 6578); - } else { - } - dasm_put(Dst, 6595, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6386); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6327, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6618, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6386); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6327, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6642); - if (LJ_DUALNUM) { - dasm_put(Dst, 6351); - } else if (sse) { - dasm_put(Dst, 6648); - } else { - } - dasm_put(Dst, 6660); - if (LJ_DUALNUM) { - dasm_put(Dst, 6671, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6386); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6327, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6687, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 6702, 2+1, LJ_TISNUM, LJ_TISNUM, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6769); - if (LJ_DUALNUM) { - dasm_put(Dst, 6776, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6386); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6327, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6687, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 6792, 2+1, LJ_TISNUM, LJ_TISNUM, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6859); - if (LJ_DUALNUM) { - dasm_put(Dst, 6867, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6386); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6327, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6687, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 6883, 2+1, LJ_TISNUM, LJ_TISNUM, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6950); - if (LJ_DUALNUM) { - dasm_put(Dst, 6958, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6386); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6327, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6687, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 6974, 2+1, LJ_TISNUM, LJ_TISNUM, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 7041); - if (LJ_DUALNUM) { - dasm_put(Dst, 7048, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6386); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6327, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 6687, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 7064, 2+1, LJ_TISNUM, LJ_TISNUM, (unsigned int)(U64x(43380000,00000000)), (unsigned int)((U64x(43380000,00000000))>>32)); - } else { - } - dasm_put(Dst, 7131, 1+2, 1+1, Dt1(->base), 8*LUA_MINSTACK, Dt1(->top), Dt1(->maxstack), Dt8(->f), Dt1(->base)); - dasm_put(Dst, 7207, Dt1(->top), Dt7(->pc), FRAME_TYPE, LUA_MINSTACK, Dt1(->base), Dt1(->base)); - dasm_put(Dst, 7334, Dt1(->top), Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 7373, DISPATCH_GL(hookmask), HOOK_VMEVENT, HOOK_ACTIVE, LUA_MASKLINE|LUA_MASKCOUNT, DISPATCH_GL(hookcount)); -#endif - dasm_put(Dst, 7404, DISPATCH_GL(hookmask), HOOK_ACTIVE, DISPATCH_GL(hookmask), HOOK_ACTIVE, LUA_MASKLINE|LUA_MASKCOUNT, DISPATCH_GL(hookcount), LUA_MASKLINE); - dasm_put(Dst, 7455, Dt1(->base), Dt1(->base), GG_DISP2STATIC); -#if LJ_HASJIT - dasm_put(Dst, 7522, Dt7(->pc), PC2PROTO(framesize), Dt1(->base), Dt1(->top), GG_DISP2J, DISPATCH_J(L)); -#endif - dasm_put(Dst, 7569); -#if LJ_HASJIT - dasm_put(Dst, 7399); -#endif - dasm_put(Dst, 7576); -#if LJ_HASJIT - dasm_put(Dst, 7579); -#endif - dasm_put(Dst, 7589, Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 7623); -#endif - dasm_put(Dst, 7628, Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 7659, DISPATCH_GL(vmstate), DISPATCH_GL(vmstate), ~LJ_VMST_EXIT, DISPATCH_J(exitno), DISPATCH_J(parent), 16*8+4*8, DISPATCH_GL(jit_L), DISPATCH_GL(jit_base), DISPATCH_J(L), DISPATCH_GL(jit_L), Dt1(->base), 4*8, GG_DISP2J, Dt1(->cframe), CFRAME_RAWMASK, CFRAME_OFS_L, Dt1(->base), CFRAME_OFS_PC); -#endif - dasm_put(Dst, 7889); -#if LJ_HASJIT - dasm_put(Dst, 7892, 9*16+4*8, -9*16, -8*16, -7*16, -6*16, -5*16, -4*16, -3*16, -2*16, -1*16, Dt7(->pc), PC2PROTO(k), DISPATCH_GL(jit_L), DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, BC_FUNCF); - dasm_put(Dst, 8034); -#endif - dasm_put(Dst, 8060); - if (!sse) { - dasm_put(Dst, 8063); - } - dasm_put(Dst, 8108, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32), (unsigned int)(U64x(43300000,00000000)), (unsigned int)((U64x(43300000,00000000))>>32), (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32)); - if (!sse) { - dasm_put(Dst, 8194); - } - dasm_put(Dst, 8239, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32), (unsigned int)(U64x(43300000,00000000)), (unsigned int)((U64x(43300000,00000000))>>32), (unsigned int)(U64x(bff00000,00000000)), (unsigned int)((U64x(bff00000,00000000))>>32)); - if (!sse) { - dasm_put(Dst, 8325); - } - dasm_put(Dst, 8364, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32), (unsigned int)(U64x(43300000,00000000)), (unsigned int)((U64x(43300000,00000000))>>32), (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32)); - if (sse) { - dasm_put(Dst, 8453, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32), (unsigned int)(U64x(43300000,00000000)), (unsigned int)((U64x(43300000,00000000))>>32), (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32)); - } else { - dasm_put(Dst, 8567); - } - dasm_put(Dst, 8614); - if (!sse) { - } else { - dasm_put(Dst, 8688); - } - dasm_put(Dst, 8691); - dasm_put(Dst, 8776, (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32), (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32)); - dasm_put(Dst, 8879, (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32), (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32), (unsigned int)(U64x(3ff00000,00000000)), (unsigned int)((U64x(3ff00000,00000000))>>32), (unsigned int)(U64x(7ff00000,00000000)), (unsigned int)((U64x(7ff00000,00000000))>>32)); - dasm_put(Dst, 9035); -#if LJ_HASJIT - if (sse) { - dasm_put(Dst, 9076); - dasm_put(Dst, 9146); - dasm_put(Dst, 9219); - } else { - dasm_put(Dst, 9269); - dasm_put(Dst, 9361); - } - dasm_put(Dst, 9407); -#endif - dasm_put(Dst, 9411); - if (sse) { - dasm_put(Dst, 9414, (unsigned int)(U64x(80000000,00000000)), (unsigned int)((U64x(80000000,00000000))>>32)); - dasm_put(Dst, 9503, (unsigned int)(U64x(7fffffff,ffffffff)), (unsigned int)((U64x(7fffffff,ffffffff))>>32)); - } else { - dasm_put(Dst, 9627); - dasm_put(Dst, 9710); - if (cmov) { - dasm_put(Dst, 9765); - } else { - dasm_put(Dst, 9784); - } - dasm_put(Dst, 9407); - } - dasm_put(Dst, 9825); -#ifdef LUA_USE_ASSERT - dasm_put(Dst, 9409); -#endif - dasm_put(Dst, 9853); -#if LJ_HASFFI -#define DtE(_V) (int)(ptrdiff_t)&(((CTState *)0)_V) - dasm_put(Dst, 9857, GG_G2DISP, Dt2(->ctype_state), DtE(->cb.slot), DtE(->cb.gpr[0]), DtE(->cb.gpr[1]), DtE(->cb.gpr[2]), DtE(->cb.gpr[3]), DtE(->cb.fpr[0]), DtE(->cb.fpr[1]), DtE(->cb.fpr[2]), DtE(->cb.fpr[3]), CFRAME_SIZE+4*8, DtE(->cb.stack), DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->base), Dt1(->top), Dt7(->pc)); -#endif - dasm_put(Dst, 9984); -#if LJ_HASFFI - dasm_put(Dst, 9987, DISPATCH_GL(ctype_state), DtE(->L), Dt1(->base), Dt1(->top), DtE(->cb.gpr[0]), DtE(->cb.fpr[0])); -#endif - dasm_put(Dst, 10028); -#if LJ_HASFFI -#define DtF(_V) (int)(ptrdiff_t)&(((CCallState *)0)_V) - dasm_put(Dst, 10031, DtF(->spadj)); -#if LJ_TARGET_WINDOWS -#endif - dasm_put(Dst, 10046, DtF(->nsp), offsetof(CCallState, stack), CCALL_SPS_EXTRA*8, DtF(->nfpr), DtF(->gpr[0]), DtF(->gpr[1]), DtF(->gpr[2]), DtF(->gpr[3]), DtF(->fpr[0]), DtF(->fpr[1]), DtF(->fpr[2]), DtF(->fpr[3])); - dasm_put(Dst, 10127, DtF(->func), DtF(->gpr[0]), DtF(->fpr[0])); -#if LJ_TARGET_WINDOWS -#endif - dasm_put(Dst, 10140); -#endif -} - -/* Generate the code for a single instruction. */ -static void build_ins(BuildCtx *ctx, BCOp op, int defop, int cmov, int sse) -{ - int vk = 0; - dasm_put(Dst, 780, defop); - - switch (op) { - - /* -- Comparison ops ---------------------------------------------------- */ - - /* Remember: all ops branch for a true comparison, fall through otherwise. */ - - - case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: - if (LJ_DUALNUM) { - dasm_put(Dst, 10148, LJ_TISNUM, LJ_TISNUM); - switch (op) { - case BC_ISLT: - dasm_put(Dst, 10178); - break; - case BC_ISGE: - dasm_put(Dst, 10183); - break; - case BC_ISLE: - dasm_put(Dst, 10188); - break; - case BC_ISGT: - dasm_put(Dst, 10193); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 10198, -BCBIAS_J*4, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 10252); - } else { - dasm_put(Dst, 10263); - } - dasm_put(Dst, 10274); - if (sse) { - dasm_put(Dst, 10281); - switch (op) { - case BC_ISLT: - dasm_put(Dst, 10301); - break; - case BC_ISGE: - dasm_put(Dst, 10306); - break; - case BC_ISLE: - dasm_put(Dst, 10311); - break; - case BC_ISGT: - dasm_put(Dst, 10316); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 10321); - } else { - dasm_put(Dst, 10326); - } - } else { - dasm_put(Dst, 10334, LJ_TISNUM, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 10355); - } else { - dasm_put(Dst, 10376); - if (cmov) { - dasm_put(Dst, 10392); - } else { - dasm_put(Dst, 10398); - } - } - if (LJ_DUALNUM) { - switch (op) { - case BC_ISLT: - dasm_put(Dst, 10301); - break; - case BC_ISGE: - dasm_put(Dst, 10306); - break; - case BC_ISLE: - dasm_put(Dst, 10311); - break; - case BC_ISGT: - dasm_put(Dst, 10316); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 10321); - } else { - switch (op) { - case BC_ISLT: - dasm_put(Dst, 768); - break; - case BC_ISGE: - dasm_put(Dst, 10405); - break; - case BC_ISLE: - dasm_put(Dst, 10410); - break; - case BC_ISGT: - dasm_put(Dst, 10415); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 10420, -BCBIAS_J*4); - } - break; - - case BC_ISEQV: case BC_ISNEV: - vk = op == BC_ISEQV; - dasm_put(Dst, 10452); - if (LJ_DUALNUM) { - dasm_put(Dst, 10460, LJ_TISNUM, LJ_TISNUM); - if (vk) { - dasm_put(Dst, 10485); - } else { - dasm_put(Dst, 10490); - } - dasm_put(Dst, 10495, -BCBIAS_J*4, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 10547); - } else { - dasm_put(Dst, 10554); - } - dasm_put(Dst, 10558); - if (sse) { - dasm_put(Dst, 10569); - } else { - dasm_put(Dst, 10581); - } - dasm_put(Dst, 10588); - } else { - dasm_put(Dst, 10593, LJ_TISNUM, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 10612); - } else { - dasm_put(Dst, 10630); - if (cmov) { - dasm_put(Dst, 10392); - } else { - dasm_put(Dst, 10398); - } - } - iseqne_fp: - if (vk) { - dasm_put(Dst, 10643); - } else { - dasm_put(Dst, 10652); - } - iseqne_end: - if (vk) { - dasm_put(Dst, 10661, -BCBIAS_J*4); - if (!LJ_HASFFI) { - dasm_put(Dst, 4638); - } - } else { - if (!LJ_HASFFI) { - dasm_put(Dst, 4638); - } - dasm_put(Dst, 10676, -BCBIAS_J*4); - } - if (LJ_DUALNUM && (op == BC_ISEQV || op == BC_ISNEV || - op == BC_ISEQN || op == BC_ISNEN)) { - dasm_put(Dst, 10691); - } else { - dasm_put(Dst, 10432); - } - if (op == BC_ISEQV || op == BC_ISNEV) { - dasm_put(Dst, 10124); - if (LJ_HASFFI) { - dasm_put(Dst, 10696, LJ_TCDATA, LJ_TCDATA); - } - dasm_put(Dst, 10715, LJ_TISPRI, LJ_TISTABUD, LJ_TUDATA, Dt6(->metatable), Dt6(->nomm), 1<>32)); - } else { - dasm_put(Dst, 11303); - } - if (LJ_DUALNUM) { - dasm_put(Dst, 10691); - } else { - dasm_put(Dst, 10432); - } - break; - case BC_LEN: - dasm_put(Dst, 11312, LJ_TSTR); - if (LJ_DUALNUM) { - dasm_put(Dst, 11326, Dt5(->len), LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 11340, Dt5(->len)); - } else { - dasm_put(Dst, 11358, Dt5(->len)); - } - dasm_put(Dst, 11367, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 11402, Dt6(->metatable)); -#endif - dasm_put(Dst, 11416); - if (LJ_DUALNUM) { - } else if (sse) { - dasm_put(Dst, 11425); - } else { - } - dasm_put(Dst, 11431); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 11444, Dt6(->nomm), 1<base), Dt1(->base)); - break; - - /* -- Constant ops ------------------------------------------------------ */ - - case BC_KSTR: - dasm_put(Dst, 12270, LJ_TSTR); - break; - case BC_KCDATA: -#if LJ_HASFFI - dasm_put(Dst, 12270, LJ_TCDATA); -#endif - break; - case BC_KSHORT: - if (LJ_DUALNUM) { - dasm_put(Dst, 12305, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 12317); - } else { - dasm_put(Dst, 12332); - } - dasm_put(Dst, 10432); - break; - case BC_KNUM: - if (sse) { - dasm_put(Dst, 12340); - } else { - dasm_put(Dst, 12353); - } - dasm_put(Dst, 10432); - break; - case BC_KPRI: - dasm_put(Dst, 12360); - break; - case BC_KNIL: - dasm_put(Dst, 12388, LJ_TNIL); - break; - - /* -- Upvalue and function ops ------------------------------------------ */ - - case BC_UGET: - dasm_put(Dst, 12435, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_USETV: -#define TV2MARKOFS \ - ((int32_t)offsetof(GCupval, marked)-(int32_t)offsetof(GCupval, tv)) - dasm_put(Dst, 12475, offsetof(GCfuncL, uvptr), DtA(->closed), DtA(->v), TV2MARKOFS, LJ_GC_BLACK, LJ_TISGCV, LJ_TISNUM - LJ_TISGCV, Dt4(->gch.marked), LJ_GC_WHITES, GG_DISP2G); - dasm_put(Dst, 12566); - break; -#undef TV2MARKOFS - case BC_USETS: - dasm_put(Dst, 12578, offsetof(GCfuncL, uvptr), DtA(->v), LJ_TSTR, DtA(->marked), LJ_GC_BLACK, Dt4(->gch.marked), LJ_GC_WHITES, DtA(->closed), GG_DISP2G); - break; - case BC_USETN: - dasm_put(Dst, 12671); - if (sse) { - dasm_put(Dst, 12676); - } else { - dasm_put(Dst, 10951); - } - dasm_put(Dst, 12683, offsetof(GCfuncL, uvptr), DtA(->v)); - if (sse) { - dasm_put(Dst, 12692); - } else { - dasm_put(Dst, 12698); - } - dasm_put(Dst, 10432); - break; - case BC_USETP: - dasm_put(Dst, 12701, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_UCLO: - dasm_put(Dst, 12740, -BCBIAS_J*4, Dt1(->openupval), Dt1(->base), Dt1(->base)); - break; - - case BC_FNEW: - dasm_put(Dst, 12795, Dt1(->base), Dt1(->base), LJ_TFUNC); - break; - - /* -- Table ops --------------------------------------------------------- */ - - case BC_TNEW: - dasm_put(Dst, 12861, Dt1(->base), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), Dt1(->base), LJ_TTAB); - break; - case BC_TDUP: - dasm_put(Dst, 12983, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), Dt1(->base), Dt1(->base), LJ_TTAB); - break; - - case BC_GGET: - dasm_put(Dst, 13078, Dt7(->env)); - break; - case BC_GSET: - dasm_put(Dst, 13097, Dt7(->env)); - break; - - case BC_TGETV: - dasm_put(Dst, 13116, LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 13139, LJ_TISNUM); - } else { - dasm_put(Dst, 13153, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 13164); - } else { - } - dasm_put(Dst, 13185); - } - dasm_put(Dst, 13190, Dt6(->asize), Dt6(->array), LJ_TNIL, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<hmask), Dt5(->hash), sizeof(Node), Dt6(->node), DtB(->key.it), LJ_TSTR, DtB(->key.gcr), LJ_TNIL); - dasm_put(Dst, 13383, LJ_TNIL, DtB(->next), Dt6(->metatable), Dt6(->nomm), 1<asize), Dt6(->array), LJ_TNIL, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<asize), Dt6(->array), LJ_TNIL, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - case BC_TSETS: - dasm_put(Dst, 13731, LJ_TTAB, Dt6(->hmask), Dt5(->hash), sizeof(Node), Dt6(->nomm), Dt6(->node), DtB(->key.it), LJ_TSTR, DtB(->key.gcr), LJ_TNIL); - dasm_put(Dst, 13807, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<next)); - dasm_put(Dst, 13895, Dt6(->metatable), Dt6(->nomm), 1<base), Dt1(->base), Dt6(->marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - case BC_TSETB: - dasm_put(Dst, 13986, LJ_TTAB, Dt6(->asize), Dt6(->array), LJ_TNIL, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable)); - dasm_put(Dst, 14080, Dt6(->metatable), Dt6(->nomm), 1<marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - - case BC_TSETM: - dasm_put(Dst, 14126, Dt6(->marked), LJ_GC_BLACK, Dt6(->asize), Dt6(->array), Dt1(->base), Dt1(->base)); - dasm_put(Dst, 14269, Dt6(->marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - - /* -- Calls and vararg handling ----------------------------------------- */ - - case BC_CALL: case BC_CALLM: - dasm_put(Dst, 11464); - if (op == BC_CALLM) { - dasm_put(Dst, 14287); - } - dasm_put(Dst, 14292, LJ_TFUNC, Dt7(->pc)); - break; - - case BC_CALLMT: - dasm_put(Dst, 14287); - break; - case BC_CALLT: - dasm_put(Dst, 14334, LJ_TFUNC, FRAME_TYPE, Dt7(->ffid), Dt7(->pc)); - dasm_put(Dst, 14449, FRAME_TYPE, Dt7(->pc), PC2PROTO(k), FRAME_VARG, FRAME_TYPEP, FRAME_VARG); - break; - - case BC_ITERC: - dasm_put(Dst, 14520, LJ_TFUNC, 2+1, Dt7(->pc)); - break; - - case BC_ITERN: -#if LJ_HASJIT -#endif - dasm_put(Dst, 14591, Dt6(->asize), Dt6(->array), LJ_TNIL); - if (LJ_DUALNUM) { - dasm_put(Dst, 11331, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 11425); - } else { - dasm_put(Dst, 14637); - } - dasm_put(Dst, 14643); - if (LJ_DUALNUM) { - } else if (sse) { - dasm_put(Dst, 11296); - } else { - dasm_put(Dst, 11308); - } - dasm_put(Dst, 14656, -BCBIAS_J*4); - if (!LJ_DUALNUM && !sse) { - dasm_put(Dst, 14708); - } - dasm_put(Dst, 14714, Dt6(->hmask), sizeof(Node), Dt6(->node), DtB(->val.it), LJ_TNIL, DtB(->key), DtB(->val)); - break; - - case BC_ISNEXT: - dasm_put(Dst, 14786, LJ_TFUNC, LJ_TTAB, LJ_TNIL, Dt8(->ffid), FF_next_N, -BCBIAS_J*4, BC_JMP, -BCBIAS_J*4, BC_ITERC); - break; - - case BC_VARG: - dasm_put(Dst, 14886, (8+FRAME_VARG), LJ_TNIL, Dt1(->maxstack)); - dasm_put(Dst, 15046, Dt1(->base), Dt1(->top), Dt1(->base), Dt1(->top)); - break; - - /* -- Returns ----------------------------------------------------------- */ - - case BC_RETM: - dasm_put(Dst, 14287); - break; - - case BC_RET: case BC_RET0: case BC_RET1: - if (op != BC_RET0) { - dasm_put(Dst, 15112); - } - dasm_put(Dst, 15116, FRAME_TYPE); - switch (op) { - case BC_RET: - dasm_put(Dst, 15135); - break; - case BC_RET1: - dasm_put(Dst, 15187); - /* fallthrough */ - case BC_RET0: - dasm_put(Dst, 15197); - default: - break; - } - dasm_put(Dst, 15208, Dt7(->pc), PC2PROTO(k)); - if (op == BC_RET) { - dasm_put(Dst, 15252, LJ_TNIL); - } else { - dasm_put(Dst, 15261, LJ_TNIL); - } - dasm_put(Dst, 15268, -FRAME_VARG, FRAME_TYPEP); - if (op != BC_RET0) { - dasm_put(Dst, 15292); - } - dasm_put(Dst, 4717); - break; - - /* -- Loops and branches ------------------------------------------------ */ - - - case BC_FORL: -#if LJ_HASJIT - dasm_put(Dst, 15296, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_JFORI: - case BC_JFORL: -#if !LJ_HASJIT - break; -#endif - case BC_FORI: - case BC_IFORL: - vk = (op == BC_IFORL || op == BC_JFORL); - dasm_put(Dst, 15317); - if (LJ_DUALNUM) { - dasm_put(Dst, 15321, LJ_TISNUM); - if (!vk) { - dasm_put(Dst, 15331, LJ_TISNUM, LJ_TISNUM); - } else { -#ifdef LUA_USE_ASSERT - dasm_put(Dst, 15360, LJ_TISNUM, LJ_TISNUM); -#endif - dasm_put(Dst, 15379); - } - dasm_put(Dst, 15398, LJ_TISNUM); - if (op == BC_FORI) { - dasm_put(Dst, 15409, -BCBIAS_J*4); - } else if (op == BC_JFORI) { - dasm_put(Dst, 15423, -BCBIAS_J*4, BC_JLOOP); - } else if (op == BC_IFORL) { - dasm_put(Dst, 15441, -BCBIAS_J*4); - } else { - dasm_put(Dst, 15433, BC_JLOOP); - } - dasm_put(Dst, 15455); - if (vk) { - dasm_put(Dst, 15479); - } - dasm_put(Dst, 15398, LJ_TISNUM); - if (op == BC_FORI) { - dasm_put(Dst, 15488); - } else if (op == BC_JFORI) { - dasm_put(Dst, 15493, -BCBIAS_J*4, BC_JLOOP); - } else if (op == BC_IFORL) { - dasm_put(Dst, 15507); - } else { - dasm_put(Dst, 15503, BC_JLOOP); - } - dasm_put(Dst, 15512); - } else if (!vk) { - dasm_put(Dst, 15519, LJ_TISNUM); - } - if (!vk) { - dasm_put(Dst, 15525, LJ_TISNUM); - } else { -#ifdef LUA_USE_ASSERT - dasm_put(Dst, 15539, LJ_TISNUM, LJ_TISNUM); -#endif - } - dasm_put(Dst, 15558); - if (!vk) { - dasm_put(Dst, 15562, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 15571); - if (vk) { - dasm_put(Dst, 15583); - } else { - dasm_put(Dst, 15602); - } - dasm_put(Dst, 15607); - } else { - dasm_put(Dst, 15620); - if (vk) { - dasm_put(Dst, 15626); - } else { - dasm_put(Dst, 15642); - } - dasm_put(Dst, 15650); - if (cmov) { - dasm_put(Dst, 10392); - } else { - dasm_put(Dst, 10398); - } - if (!cmov) { - dasm_put(Dst, 15655); - } - } - if (op == BC_FORI) { - if (LJ_DUALNUM) { - dasm_put(Dst, 15661); - } else { - dasm_put(Dst, 15666, -BCBIAS_J*4); - } - } else if (op == BC_JFORI) { - dasm_put(Dst, 15676, -BCBIAS_J*4, BC_JLOOP); - } else if (op == BC_IFORL) { - if (LJ_DUALNUM) { - dasm_put(Dst, 15690); - } else { - dasm_put(Dst, 15695, -BCBIAS_J*4); - } - } else { - dasm_put(Dst, 15686, BC_JLOOP); - } - if (LJ_DUALNUM) { - dasm_put(Dst, 10321); - } else { - dasm_put(Dst, 11081); - } - if (sse) { - dasm_put(Dst, 15705); - } - break; - - case BC_ITERL: -#if LJ_HASJIT - dasm_put(Dst, 15296, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_JITERL: -#if !LJ_HASJIT - break; -#endif - case BC_IITERL: - dasm_put(Dst, 15716, LJ_TNIL); - if (op == BC_JITERL) { - dasm_put(Dst, 15731, BC_JLOOP); - } else { - dasm_put(Dst, 15745, -BCBIAS_J*4); - } - dasm_put(Dst, 10430); - break; - - case BC_LOOP: -#if LJ_HASJIT - dasm_put(Dst, 15296, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_ILOOP: - dasm_put(Dst, 10432); - break; - - case BC_JLOOP: -#if LJ_HASJIT - dasm_put(Dst, 15761, DISPATCH_J(trace), DtD(->mcode), DISPATCH_GL(jit_base), DISPATCH_GL(jit_L), 9*16+4*8, -1*16, -2*16, -3*16, -4*16, -5*16, -6*16, -7*16, -8*16, -9*16); -#endif - break; - - case BC_JMP: - dasm_put(Dst, 15870, -BCBIAS_J*4); - break; - - /* -- Function headers -------------------------------------------------- */ - - /* - ** Reminder: A function may be called with func/args above L->maxstack, - ** i.e. occupying EXTRA_STACK slots. And vmeta_call may add one extra slot, - ** too. This means all FUNC* ops (including fast functions) must check - ** for stack overflow _before_ adding more slots! - */ - - case BC_FUNCF: -#if LJ_HASJIT - dasm_put(Dst, 15895, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_CALL); -#endif - case BC_FUNCV: /* NYI: compiled vararg functions. */ - break; - - case BC_JFUNCF: -#if !LJ_HASJIT - break; -#endif - case BC_IFUNCF: - dasm_put(Dst, 15916, -4+PC2PROTO(k), Dt1(->maxstack), -4+PC2PROTO(numparams)); - if (op == BC_JFUNCF) { - dasm_put(Dst, 15946, BC_JLOOP); - } else { - dasm_put(Dst, 10432); - } - dasm_put(Dst, 15955, LJ_TNIL); - break; - - case BC_JFUNCV: -#if !LJ_HASJIT - break; -#endif - dasm_put(Dst, 9409); - break; /* NYI: compiled vararg functions. */ - - case BC_IFUNCV: - dasm_put(Dst, 15977, FRAME_VARG, Dt1(->maxstack), -4+PC2PROTO(numparams), LJ_TNIL); - if (op == BC_JFUNCV) { - dasm_put(Dst, 15946, BC_JLOOP); - } else { - dasm_put(Dst, 16068, -4+PC2PROTO(k)); - } - dasm_put(Dst, 16091, LJ_TNIL); - break; - - case BC_FUNCC: - case BC_FUNCCW: - dasm_put(Dst, 16113, Dt8(->f), Dt1(->base), 8*LUA_MINSTACK, Dt1(->maxstack), Dt1(->top)); - if (op == BC_FUNCC) { - dasm_put(Dst, 2381); - } else { - dasm_put(Dst, 16143); - } - dasm_put(Dst, 16151, DISPATCH_GL(vmstate), ~LJ_VMST_C); - if (op == BC_FUNCC) { - dasm_put(Dst, 16160); - } else { - dasm_put(Dst, 16164, DISPATCH_GL(wrapf)); - } - dasm_put(Dst, 16169, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->base), Dt1(->top)); - break; - - /* ---------------------------------------------------------------------- */ - - default: - fprintf(stderr, "Error: undefined opcode BC_%s\n", bc_names[op]); - exit(2); - break; - } -} - -static int build_backend(BuildCtx *ctx) -{ - int op; - int cmov = 1; - int sse = 0; -#ifdef LUAJIT_CPU_NOCMOV - cmov = 0; -#endif -#if defined(LUAJIT_CPU_SSE2) || defined(LJ_TARGET_X64) - sse = 1; -#endif - - dasm_growpc(Dst, BC__MAX); - - build_subroutines(ctx, cmov, sse); - - dasm_put(Dst, 16194); - for (op = 0; op < BC__MAX; op++) - build_ins(ctx, (BCOp)op, op, cmov, sse); - - return BC__MAX; -} - -/* Emit pseudo frame-info for all assembler functions. */ -static void emit_asm_debug(BuildCtx *ctx) -{ - int fcofs = (int)((uint8_t *)ctx->glob[GLOB_vm_ffi_call] - ctx->code); -#if LJ_64 -#define SZPTR "8" -#define BSZPTR "3" -#define REG_SP "0x7" -#define REG_RA "0x10" -#else -#define SZPTR "4" -#define BSZPTR "2" -#define REG_SP "0x4" -#define REG_RA "0x8" -#endif - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, "\t.section .debug_frame,\"\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe0:\n" - "\t.long .LECIE0-.LSCIE0\n" - ".LSCIE0:\n" - "\t.long 0xffffffff\n" - "\t.byte 0x1\n" - "\t.string \"\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE0:\n\n"); - fprintf(ctx->fp, - ".LSFDE0:\n" - "\t.long .LEFDE0-.LASFDE0\n" - ".LASFDE0:\n" - "\t.long .Lframe0\n" -#if LJ_64 - "\t.quad .Lbegin\n" - "\t.quad %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.long .Lbegin\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE0:\n\n", fcofs, CFRAME_SIZE); -#if LJ_HASFFI - fprintf(ctx->fp, - ".LSFDE1:\n" - "\t.long .LEFDE1-.LASFDE1\n" - ".LASFDE1:\n" - "\t.long .Lframe0\n" -#if LJ_64 - "\t.quad lj_vm_ffi_call\n" - "\t.quad %d\n" - "\t.byte 0xe\n\t.uleb128 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ -#else - "\t.long lj_vm_ffi_call\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 8\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0xd\n\t.uleb128 0x5\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE1:\n\n", (int)ctx->codesz - fcofs); -#endif -#if (defined(__sun__) && defined(__svr4__)) || defined(__solaris_) - fprintf(ctx->fp, "\t.section .eh_frame,\"aw\",@progbits\n"); -#else - fprintf(ctx->fp, "\t.section .eh_frame,\"a\",@progbits\n"); -#endif - fprintf(ctx->fp, - ".Lframe1:\n" - "\t.long .LECIE1-.LSCIE1\n" - ".LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zPR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 6\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.long lj_err_unwind_dwarf-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE1:\n\n"); - fprintf(ctx->fp, - ".LSFDE2:\n" - "\t.long .LEFDE2-.LASFDE2\n" - ".LASFDE2:\n" - "\t.long .LASFDE2-.Lframe1\n" - "\t.long .Lbegin-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE2:\n\n", fcofs, CFRAME_SIZE); -#if LJ_HASFFI - fprintf(ctx->fp, - ".Lframe2:\n" - "\t.long .LECIE2-.LSCIE2\n" - ".LSCIE2:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 1\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE2:\n\n"); - fprintf(ctx->fp, - ".LSFDE3:\n" - "\t.long .LEFDE3-.LASFDE3\n" - ".LASFDE3:\n" - "\t.long .LASFDE3-.Lframe2\n" - "\t.long lj_vm_ffi_call-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0xe\n\t.uleb128 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ -#else - "\t.byte 0xe\n\t.uleb128 8\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0xd\n\t.uleb128 0x5\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE3:\n\n", (int)ctx->codesz - fcofs); -#endif - break; - case BUILD_coffasm: - fprintf(ctx->fp, "\t.section .eh_frame,\"dr\"\n"); - fprintf(ctx->fp, - "\t.def %slj_err_unwind_dwarf; .scl 2; .type 32; .endef\n", - LJ_32 ? "_" : ""); - fprintf(ctx->fp, - "Lframe1:\n" - "\t.long LECIE1-LSCIE1\n" - "LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zP\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 5\n" /* augmentation length */ - "\t.byte 0x00\n" /* absptr */ - "\t.long %slj_err_unwind_dwarf\n" - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - "LECIE1:\n\n", LJ_32 ? "_" : ""); - fprintf(ctx->fp, - "LSFDE1:\n" - "\t.long LEFDE1-LASFDE1\n" - "LASFDE1:\n" - "\t.long LASFDE1-Lframe1\n" - "\t.long %slj_vm_asm_begin\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - "LEFDE1:\n\n", LJ_32 ? "_" : "", (int)ctx->codesz, CFRAME_SIZE); - break; - /* Mental note: never let Apple design an assembler. - ** Or a linker. Or a plastic case. But I digress. - */ - case BUILD_machasm: { -#if LJ_HASFFI - int fcsize = 0; -#endif - int i; - fprintf(ctx->fp, "\t.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support\n"); - fprintf(ctx->fp, - "EH_frame1:\n" - "\t.set L$set$x,LECIEX-LSCIEX\n" - "\t.long L$set$x\n" - "LSCIEX:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.ascii \"zPR\\0\"\n" - "\t.byte 0x1\n" - "\t.byte 128-" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 6\n" /* augmentation length */ - "\t.byte 0x9b\n" /* indirect|pcrel|sdata4 */ -#if LJ_64 - "\t.long _lj_err_unwind_dwarf+4@GOTPCREL\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte " REG_SP "\n\t.byte " SZPTR "\n" -#else - "\t.long L_lj_err_unwind_dwarf$non_lazy_ptr-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte 0x5\n\t.byte 0x4\n" /* esp=5 on 32 bit MACH-O. */ -#endif - "\t.byte 0x80+" REG_RA "\n\t.byte 0x1\n" - "\t.align " BSZPTR "\n" - "LECIEX:\n\n"); - for (i = 0; i < ctx->nsym; i++) { - const char *name = ctx->sym[i].name; - int32_t size = ctx->sym[i+1].ofs - ctx->sym[i].ofs; - if (size == 0) continue; -#if LJ_HASFFI - if (!strcmp(name, "_lj_vm_ffi_call")) { fcsize = size; continue; } -#endif - fprintf(ctx->fp, - "%s.eh:\n" - "LSFDE%d:\n" - "\t.set L$set$%d,LEFDE%d-LASFDE%d\n" - "\t.long L$set$%d\n" - "LASFDE%d:\n" - "\t.long LASFDE%d-EH_frame1\n" - "\t.long %s-.\n" - "\t.long %d\n" - "\t.byte 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.byte %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.byte 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.byte 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.byte 0x5\n" /* offset r14 */ -#else - "\t.byte 0x84\n\t.byte 0x2\n" /* offset ebp (4 for MACH-O)*/ - "\t.byte 0x87\n\t.byte 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.byte 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.byte 0x5\n" /* offset ebx */ -#endif - "\t.align " BSZPTR "\n" - "LEFDE%d:\n\n", - name, i, i, i, i, i, i, i, name, size, CFRAME_SIZE, i); - } -#if LJ_HASFFI - if (fcsize) { - fprintf(ctx->fp, - "EH_frame2:\n" - "\t.set L$set$y,LECIEY-LSCIEY\n" - "\t.long L$set$y\n" - "LSCIEY:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.ascii \"zR\\0\"\n" - "\t.byte 0x1\n" - "\t.byte 128-" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 1\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte " REG_SP "\n\t.byte " SZPTR "\n" -#else - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte 0x5\n\t.byte 0x4\n" /* esp=5 on 32 bit MACH. */ -#endif - "\t.byte 0x80+" REG_RA "\n\t.byte 0x1\n" - "\t.align " BSZPTR "\n" - "LECIEY:\n\n"); - fprintf(ctx->fp, - "_lj_vm_ffi_call.eh:\n" - "LSFDEY:\n" - "\t.set L$set$yy,LEFDEY-LASFDEY\n" - "\t.long L$set$yy\n" - "LASFDEY:\n" - "\t.long LASFDEY-EH_frame2\n" - "\t.long _lj_vm_ffi_call-.\n" - "\t.long %d\n" - "\t.byte 0\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0xe\n\t.byte 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.byte 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset rbx */ -#else - "\t.byte 0xe\n\t.byte 8\n" /* def_cfa_offset */ - "\t.byte 0x84\n\t.byte 0x2\n" /* offset ebp (4 for MACH-O)*/ - "\t.byte 0xd\n\t.uleb128 0x4\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset ebx */ -#endif - "\t.align " BSZPTR "\n" - "LEFDEY:\n\n", fcsize); - } -#endif -#if LJ_64 - fprintf(ctx->fp, "\t.subsections_via_symbols\n"); -#else - fprintf(ctx->fp, - "\t.non_lazy_symbol_pointer\n" - "L_lj_err_unwind_dwarf$non_lazy_ptr:\n" - ".indirect_symbol _lj_err_unwind_dwarf\n" - ".long 0\n"); -#endif - } - break; - default: /* Difficult for other modes. */ - break; - } -} - diff --git a/libraries/luajit-2.0/src/buildvm_x86.dasc b/libraries/luajit-2.0/src/buildvm_x86.dasc deleted file mode 100644 index d6dfde8..0000000 --- a/libraries/luajit-2.0/src/buildvm_x86.dasc +++ /dev/null @@ -1,6458 +0,0 @@ -|// Low-level VM code for x86 CPUs. -|// Bytecode interpreter, fast functions and helper functions. -|// Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -| -|.if X64 -|.arch x64 -|.else -|.arch x86 -|.endif -|.section code_op, code_sub -| -|.actionlist build_actionlist -|.globals GLOB_ -|.globalnames globnames -|.externnames extnames -| -|//----------------------------------------------------------------------- -| -|// Fixed register assignments for the interpreter. -|// This is very fragile and has many dependencies. Caveat emptor. -|.define BASE, edx // Not C callee-save, refetched anyway. -|.if not X64 -|.define KBASE, edi // Must be C callee-save. -|.define KBASEa, KBASE -|.define PC, esi // Must be C callee-save. -|.define PCa, PC -|.define DISPATCH, ebx // Must be C callee-save. -|.elif X64WIN -|.define KBASE, edi // Must be C callee-save. -|.define KBASEa, rdi -|.define PC, esi // Must be C callee-save. -|.define PCa, rsi -|.define DISPATCH, ebx // Must be C callee-save. -|.else -|.define KBASE, r15d // Must be C callee-save. -|.define KBASEa, r15 -|.define PC, ebx // Must be C callee-save. -|.define PCa, rbx -|.define DISPATCH, r14d // Must be C callee-save. -|.endif -| -|.define RA, ecx -|.define RAH, ch -|.define RAL, cl -|.define RB, ebp // Must be ebp (C callee-save). -|.define RC, eax // Must be eax (fcomparepp and others). -|.define RCW, ax -|.define RCH, ah -|.define RCL, al -|.define OP, RB -|.define RD, RC -|.define RDW, RCW -|.define RDL, RCL -|.if X64 -|.define RAa, rcx -|.define RBa, rbp -|.define RCa, rax -|.define RDa, rax -|.else -|.define RAa, RA -|.define RBa, RB -|.define RCa, RC -|.define RDa, RD -|.endif -| -|.if not X64 -|.define FCARG1, ecx // x86 fastcall arguments. -|.define FCARG2, edx -|.elif X64WIN -|.define CARG1, rcx // x64/WIN64 C call arguments. -|.define CARG2, rdx -|.define CARG3, r8 -|.define CARG4, r9 -|.define CARG1d, ecx -|.define CARG2d, edx -|.define CARG3d, r8d -|.define CARG4d, r9d -|.define FCARG1, CARG1d // Upwards compatible to x86 fastcall. -|.define FCARG2, CARG2d -|.else -|.define CARG1, rdi // x64/POSIX C call arguments. -|.define CARG2, rsi -|.define CARG3, rdx -|.define CARG4, rcx -|.define CARG5, r8 -|.define CARG6, r9 -|.define CARG1d, edi -|.define CARG2d, esi -|.define CARG3d, edx -|.define CARG4d, ecx -|.define CARG5d, r8d -|.define CARG6d, r9d -|.define FCARG1, CARG1d // Simulate x86 fastcall. -|.define FCARG2, CARG2d -|.endif -| -|// Type definitions. Some of these are only used for documentation. -|.type L, lua_State -|.type GL, global_State -|.type TVALUE, TValue -|.type GCOBJ, GCobj -|.type STR, GCstr -|.type TAB, GCtab -|.type LFUNC, GCfuncL -|.type CFUNC, GCfuncC -|.type PROTO, GCproto -|.type UPVAL, GCupval -|.type NODE, Node -|.type NARGS, int -|.type TRACE, GCtrace -| -|// Stack layout while in interpreter. Must match with lj_frame.h. -|//----------------------------------------------------------------------- -|.if not X64 // x86 stack layout. -| -|.define CFRAME_SPACE, aword*7 // Delta for esp (see <--). -|.macro saveregs_ -| push edi; push esi; push ebx -| sub esp, CFRAME_SPACE -|.endmacro -|.macro saveregs -| push ebp; saveregs_ -|.endmacro -|.macro restoreregs -| add esp, CFRAME_SPACE -| pop ebx; pop esi; pop edi; pop ebp -|.endmacro -| -|.define SAVE_ERRF, aword [esp+aword*15] // vm_pcall/vm_cpcall only. -|.define SAVE_NRES, aword [esp+aword*14] -|.define SAVE_CFRAME, aword [esp+aword*13] -|.define SAVE_L, aword [esp+aword*12] -|//----- 16 byte aligned, ^^^ arguments from C caller -|.define SAVE_RET, aword [esp+aword*11] //<-- esp entering interpreter. -|.define SAVE_R4, aword [esp+aword*10] -|.define SAVE_R3, aword [esp+aword*9] -|.define SAVE_R2, aword [esp+aword*8] -|//----- 16 byte aligned -|.define SAVE_R1, aword [esp+aword*7] //<-- esp after register saves. -|.define SAVE_PC, aword [esp+aword*6] -|.define TMP2, aword [esp+aword*5] -|.define TMP1, aword [esp+aword*4] -|//----- 16 byte aligned -|.define ARG4, aword [esp+aword*3] -|.define ARG3, aword [esp+aword*2] -|.define ARG2, aword [esp+aword*1] -|.define ARG1, aword [esp] //<-- esp while in interpreter. -|//----- 16 byte aligned, ^^^ arguments for C callee -| -|// FPARGx overlaps ARGx and ARG(x+1) on x86. -|.define FPARG3, qword [esp+qword*1] -|.define FPARG1, qword [esp] -|// TMPQ overlaps TMP1/TMP2. ARG5/MULTRES overlap TMP1/TMP2 (and TMPQ). -|.define TMPQ, qword [esp+aword*4] -|.define TMP3, ARG4 -|.define ARG5, TMP1 -|.define TMPa, TMP1 -|.define MULTRES, TMP2 -| -|// Arguments for vm_call and vm_pcall. -|.define INARG_BASE, SAVE_CFRAME // Overwritten by SAVE_CFRAME! -| -|// Arguments for vm_cpcall. -|.define INARG_CP_CALL, SAVE_ERRF -|.define INARG_CP_UD, SAVE_NRES -|.define INARG_CP_FUNC, SAVE_CFRAME -| -|//----------------------------------------------------------------------- -|.elif X64WIN // x64/Windows stack layout -| -|.define CFRAME_SPACE, aword*5 // Delta for rsp (see <--). -|.macro saveregs_ -| push rdi; push rsi; push rbx -| sub rsp, CFRAME_SPACE -|.endmacro -|.macro saveregs -| push rbp; saveregs_ -|.endmacro -|.macro restoreregs -| add rsp, CFRAME_SPACE -| pop rbx; pop rsi; pop rdi; pop rbp -|.endmacro -| -|.define SAVE_CFRAME, aword [rsp+aword*13] -|.define SAVE_PC, dword [rsp+dword*25] -|.define SAVE_L, dword [rsp+dword*24] -|.define SAVE_ERRF, dword [rsp+dword*23] -|.define SAVE_NRES, dword [rsp+dword*22] -|.define TMP2, dword [rsp+dword*21] -|.define TMP1, dword [rsp+dword*20] -|//----- 16 byte aligned, ^^^ 32 byte register save area, owned by interpreter -|.define SAVE_RET, aword [rsp+aword*9] //<-- rsp entering interpreter. -|.define SAVE_R4, aword [rsp+aword*8] -|.define SAVE_R3, aword [rsp+aword*7] -|.define SAVE_R2, aword [rsp+aword*6] -|.define SAVE_R1, aword [rsp+aword*5] //<-- rsp after register saves. -|.define ARG5, aword [rsp+aword*4] -|.define CSAVE_4, aword [rsp+aword*3] -|.define CSAVE_3, aword [rsp+aword*2] -|.define CSAVE_2, aword [rsp+aword*1] -|.define CSAVE_1, aword [rsp] //<-- rsp while in interpreter. -|//----- 16 byte aligned, ^^^ 32 byte register save area, owned by callee -| -|// TMPQ overlaps TMP1/TMP2. MULTRES overlaps TMP2 (and TMPQ). -|.define TMPQ, qword [rsp+aword*10] -|.define MULTRES, TMP2 -|.define TMPa, ARG5 -|.define ARG5d, dword [rsp+aword*4] -|.define TMP3, ARG5d -| -|//----------------------------------------------------------------------- -|.else // x64/POSIX stack layout -| -|.define CFRAME_SPACE, aword*5 // Delta for rsp (see <--). -|.macro saveregs_ -| push rbx; push r15; push r14 -| sub rsp, CFRAME_SPACE -|.endmacro -|.macro saveregs -| push rbp; saveregs_ -|.endmacro -|.macro restoreregs -| add rsp, CFRAME_SPACE -| pop r14; pop r15; pop rbx; pop rbp -|.endmacro -| -|//----- 16 byte aligned, -|.define SAVE_RET, aword [rsp+aword*9] //<-- rsp entering interpreter. -|.define SAVE_R4, aword [rsp+aword*8] -|.define SAVE_R3, aword [rsp+aword*7] -|.define SAVE_R2, aword [rsp+aword*6] -|.define SAVE_R1, aword [rsp+aword*5] //<-- rsp after register saves. -|.define SAVE_CFRAME, aword [rsp+aword*4] -|.define SAVE_PC, dword [rsp+dword*7] -|.define SAVE_L, dword [rsp+dword*6] -|.define SAVE_ERRF, dword [rsp+dword*5] -|.define SAVE_NRES, dword [rsp+dword*4] -|.define TMPa, aword [rsp+aword*1] -|.define TMP2, dword [rsp+dword*1] -|.define TMP1, dword [rsp] //<-- rsp while in interpreter. -|//----- 16 byte aligned -| -|// TMPQ overlaps TMP1/TMP2. MULTRES overlaps TMP2 (and TMPQ). -|.define TMPQ, qword [rsp] -|.define TMP3, dword [rsp+aword*1] -|.define MULTRES, TMP2 -| -|.endif -| -|//----------------------------------------------------------------------- -| -|// Instruction headers. -|.macro ins_A; .endmacro -|.macro ins_AD; .endmacro -|.macro ins_AJ; .endmacro -|.macro ins_ABC; movzx RB, RCH; movzx RC, RCL; .endmacro -|.macro ins_AB_; movzx RB, RCH; .endmacro -|.macro ins_A_C; movzx RC, RCL; .endmacro -|.macro ins_AND; not RDa; .endmacro -| -|// Instruction decode+dispatch. Carefully tuned (nope, lodsd is not faster). -|.macro ins_NEXT -| mov RC, [PC] -| movzx RA, RCH -| movzx OP, RCL -| add PC, 4 -| shr RC, 16 -|.if X64 -| jmp aword [DISPATCH+OP*8] -|.else -| jmp aword [DISPATCH+OP*4] -|.endif -|.endmacro -| -|// Instruction footer. -|.if 1 -| // Replicated dispatch. Less unpredictable branches, but higher I-Cache use. -| .define ins_next, ins_NEXT -| .define ins_next_, ins_NEXT -|.else -| // Common dispatch. Lower I-Cache use, only one (very) unpredictable branch. -| // Affects only certain kinds of benchmarks (and only with -j off). -| // Around 10%-30% slower on Core2, a lot more slower on P4. -| .macro ins_next -| jmp ->ins_next -| .endmacro -| .macro ins_next_ -| ->ins_next: -| ins_NEXT -| .endmacro -|.endif -| -|// Call decode and dispatch. -|.macro ins_callt -| // BASE = new base, RB = LFUNC, RD = nargs+1, [BASE-4] = PC -| mov PC, LFUNC:RB->pc -| mov RA, [PC] -| movzx OP, RAL -| movzx RA, RAH -| add PC, 4 -|.if X64 -| jmp aword [DISPATCH+OP*8] -|.else -| jmp aword [DISPATCH+OP*4] -|.endif -|.endmacro -| -|.macro ins_call -| // BASE = new base, RB = LFUNC, RD = nargs+1 -| mov [BASE-4], PC -| ins_callt -|.endmacro -| -|//----------------------------------------------------------------------- -| -|// Macros to test operand types. -|.macro checktp, reg, tp; cmp dword [BASE+reg*8+4], tp; .endmacro -|.macro checknum, reg, target; checktp reg, LJ_TISNUM; jae target; .endmacro -|.macro checkint, reg, target; checktp reg, LJ_TISNUM; jne target; .endmacro -|.macro checkstr, reg, target; checktp reg, LJ_TSTR; jne target; .endmacro -|.macro checktab, reg, target; checktp reg, LJ_TTAB; jne target; .endmacro -| -|// These operands must be used with movzx. -|.define PC_OP, byte [PC-4] -|.define PC_RA, byte [PC-3] -|.define PC_RB, byte [PC-1] -|.define PC_RC, byte [PC-2] -|.define PC_RD, word [PC-2] -| -|.macro branchPC, reg -| lea PC, [PC+reg*4-BCBIAS_J*4] -|.endmacro -| -|// Assumes DISPATCH is relative to GL. -#define DISPATCH_GL(field) (GG_DISP2G + (int)offsetof(global_State, field)) -#define DISPATCH_J(field) (GG_DISP2J + (int)offsetof(jit_State, field)) -| -#define PC2PROTO(field) ((int)offsetof(GCproto, field)-(int)sizeof(GCproto)) -| -|// Decrement hashed hotcount and trigger trace recorder if zero. -|.macro hotloop, reg -| mov reg, PC -| shr reg, 1 -| and reg, HOTCOUNT_PCMASK -| sub word [DISPATCH+reg+GG_DISP2HOT], HOTCOUNT_LOOP -| jb ->vm_hotloop -|.endmacro -| -|.macro hotcall, reg -| mov reg, PC -| shr reg, 1 -| and reg, HOTCOUNT_PCMASK -| sub word [DISPATCH+reg+GG_DISP2HOT], HOTCOUNT_CALL -| jb ->vm_hotcall -|.endmacro -| -|// Set current VM state. -|.macro set_vmstate, st -| mov dword [DISPATCH+DISPATCH_GL(vmstate)], ~LJ_VMST_..st -|.endmacro -| -|// Annoying x87 stuff: support for two compare variants. -|.macro fcomparepp // Compare and pop st0 >< st1. -||if (cmov) { -| fucomip st1 -| fpop -||} else { -| fucompp -| fnstsw ax // eax modified! -| sahf -||} -|.endmacro -| -|.macro fdup; fld st0; .endmacro -|.macro fpop1; fstp st1; .endmacro -| -|// Synthesize SSE FP constants. -|.macro sseconst_abs, reg, tmp // Synthesize abs mask. -|.if X64 -| mov64 tmp, U64x(7fffffff,ffffffff); movd reg, tmp -|.else -| pxor reg, reg; pcmpeqd reg, reg; psrlq reg, 1 -|.endif -|.endmacro -| -|.macro sseconst_hi, reg, tmp, val // Synthesize hi-32 bit const. -|.if X64 -| mov64 tmp, U64x(val,00000000); movd reg, tmp -|.else -| mov tmp, 0x .. val; movd reg, tmp; pshufd reg, reg, 0x51 -|.endif -|.endmacro -| -|.macro sseconst_sign, reg, tmp // Synthesize sign mask. -| sseconst_hi reg, tmp, 80000000 -|.endmacro -|.macro sseconst_1, reg, tmp // Synthesize 1.0. -| sseconst_hi reg, tmp, 3ff00000 -|.endmacro -|.macro sseconst_m1, reg, tmp // Synthesize -1.0. -| sseconst_hi reg, tmp, bff00000 -|.endmacro -|.macro sseconst_2p52, reg, tmp // Synthesize 2^52. -| sseconst_hi reg, tmp, 43300000 -|.endmacro -|.macro sseconst_tobit, reg, tmp // Synthesize 2^52 + 2^51. -| sseconst_hi reg, tmp, 43380000 -|.endmacro -| -|// Move table write barrier back. Overwrites reg. -|.macro barrierback, tab, reg -| and byte tab->marked, (uint8_t)~LJ_GC_BLACK // black2gray(tab) -| mov reg, [DISPATCH+DISPATCH_GL(gc.grayagain)] -| mov [DISPATCH+DISPATCH_GL(gc.grayagain)], tab -| mov tab->gclist, reg -|.endmacro -| -|//----------------------------------------------------------------------- - -/* Generate subroutines used by opcodes and other parts of the VM. */ -/* The .code_sub section should be last to help static branch prediction. */ -static void build_subroutines(BuildCtx *ctx, int cmov, int sse) -{ - |.code_sub - | - |//----------------------------------------------------------------------- - |//-- Return handling ---------------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_returnp: - | test PC, FRAME_P - | jz ->cont_dispatch - | - | // Return from pcall or xpcall fast func. - | and PC, -8 - | sub BASE, PC // Restore caller base. - | lea RAa, [RA+PC-8] // Rebase RA and prepend one result. - | mov PC, [BASE-4] // Fetch PC of previous frame. - | // Prepending may overwrite the pcall frame, so do it at the end. - | mov dword [BASE+RA+4], LJ_TTRUE // Prepend true to results. - | - |->vm_returnc: - | add RD, 1 // RD = nresults+1 - | mov MULTRES, RD - | test PC, FRAME_TYPE - | jz ->BC_RET_Z // Handle regular return to Lua. - | - |->vm_return: - | // BASE = base, RA = resultofs, RD = nresults+1 (= MULTRES), PC = return - | xor PC, FRAME_C - | test PC, FRAME_TYPE - | jnz ->vm_returnp - | - | // Return to C. - | set_vmstate C - | and PC, -8 - | sub PC, BASE - | neg PC // Previous base = BASE - delta. - | - | sub RD, 1 - | jz >2 - |1: // Move results down. - |.if X64 - | mov RBa, [BASE+RA] - | mov [BASE-8], RBa - |.else - | mov RB, [BASE+RA] - | mov [BASE-8], RB - | mov RB, [BASE+RA+4] - | mov [BASE-4], RB - |.endif - | add BASE, 8 - | sub RD, 1 - | jnz <1 - |2: - | mov L:RB, SAVE_L - | mov L:RB->base, PC - |3: - | mov RD, MULTRES - | mov RA, SAVE_NRES // RA = wanted nresults+1 - |4: - | cmp RA, RD - | jne >6 // More/less results wanted? - |5: - | sub BASE, 8 - | mov L:RB->top, BASE - | - |->vm_leave_cp: - | mov RAa, SAVE_CFRAME // Restore previous C frame. - | mov L:RB->cframe, RAa - | xor eax, eax // Ok return status for vm_pcall. - | - |->vm_leave_unw: - | restoreregs - | ret - | - |6: - | jb >7 // Less results wanted? - | // More results wanted. Check stack size and fill up results with nil. - | cmp BASE, L:RB->maxstack - | ja >8 - | mov dword [BASE-4], LJ_TNIL - | add BASE, 8 - | add RD, 1 - | jmp <4 - | - |7: // Less results wanted. - | test RA, RA - | jz <5 // But check for LUA_MULTRET+1. - | sub RA, RD // Negative result! - | lea BASE, [BASE+RA*8] // Correct top. - | jmp <5 - | - |8: // Corner case: need to grow stack for filling up results. - | // This can happen if: - | // - A C function grows the stack (a lot). - | // - The GC shrinks the stack in between. - | // - A return back from a lua_call() with (high) nresults adjustment. - | mov L:RB->top, BASE // Save current top held in BASE (yes). - | mov MULTRES, RD // Need to fill only remainder with nil. - | mov FCARG2, RA - | mov FCARG1, L:RB - | call extern lj_state_growstack@8 // (lua_State *L, int n) - | mov BASE, L:RB->top // Need the (realloced) L->top in BASE. - | jmp <3 - | - |->vm_unwind_c@8: // Unwind C stack, return from vm_pcall. - | // (void *cframe, int errcode) - |.if X64 - | mov eax, CARG2d // Error return status for vm_pcall. - | mov rsp, CARG1 - |.else - | mov eax, FCARG2 // Error return status for vm_pcall. - | mov esp, FCARG1 - |.endif - |->vm_unwind_c_eh: // Landing pad for external unwinder. - | mov L:RB, SAVE_L - | mov GL:RB, L:RB->glref - | mov dword GL:RB->vmstate, ~LJ_VMST_C - | jmp ->vm_leave_unw - | - |->vm_unwind_rethrow: - |.if X64 and not X64WIN - | mov FCARG1, SAVE_L - | mov FCARG2, eax - | restoreregs - | jmp extern lj_err_throw@8 // (lua_State *L, int errcode) - |.endif - | - |->vm_unwind_ff@4: // Unwind C stack, return from ff pcall. - | // (void *cframe) - |.if X64 - | and CARG1, CFRAME_RAWMASK - | mov rsp, CARG1 - |.else - | and FCARG1, CFRAME_RAWMASK - | mov esp, FCARG1 - |.endif - |->vm_unwind_ff_eh: // Landing pad for external unwinder. - | mov L:RB, SAVE_L - | mov RAa, -8 // Results start at BASE+RA = BASE-8. - | mov RD, 1+1 // Really 1+2 results, incr. later. - | mov BASE, L:RB->base - | mov DISPATCH, L:RB->glref // Setup pointer to dispatch table. - | add DISPATCH, GG_G2DISP - | mov PC, [BASE-4] // Fetch PC of previous frame. - | mov dword [BASE-4], LJ_TFALSE // Prepend false to error message. - | set_vmstate INTERP - | jmp ->vm_returnc // Increments RD/MULTRES and returns. - | - |//----------------------------------------------------------------------- - |//-- Grow stack for calls ----------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_growstack_c: // Grow stack for C function. - | mov FCARG2, LUA_MINSTACK - | jmp >2 - | - |->vm_growstack_v: // Grow stack for vararg Lua function. - | sub RD, 8 - | jmp >1 - | - |->vm_growstack_f: // Grow stack for fixarg Lua function. - | // BASE = new base, RD = nargs+1, RB = L, PC = first PC - | lea RD, [BASE+NARGS:RD*8-8] - |1: - | movzx RA, byte [PC-4+PC2PROTO(framesize)] - | add PC, 4 // Must point after first instruction. - | mov L:RB->base, BASE - | mov L:RB->top, RD - | mov SAVE_PC, PC - | mov FCARG2, RA - |2: - | // RB = L, L->base = new base, L->top = top - | mov FCARG1, L:RB - | call extern lj_state_growstack@8 // (lua_State *L, int n) - | mov BASE, L:RB->base - | mov RD, L:RB->top - | mov LFUNC:RB, [BASE-8] - | sub RD, BASE - | shr RD, 3 - | add NARGS:RD, 1 - | // BASE = new base, RB = LFUNC, RD = nargs+1 - | ins_callt // Just retry the call. - | - |//----------------------------------------------------------------------- - |//-- Entry points into the assembler VM --------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_resume: // Setup C frame and resume thread. - | // (lua_State *L, TValue *base, int nres1 = 0, ptrdiff_t ef = 0) - | saveregs - |.if X64 - | mov L:RB, CARG1d // Caveat: CARG1d may be RA. - | mov SAVE_L, CARG1d - | mov RA, CARG2d - |.else - | mov L:RB, SAVE_L - | mov RA, INARG_BASE // Caveat: overlaps SAVE_CFRAME! - |.endif - | mov PC, FRAME_CP - | xor RD, RD - | lea KBASEa, [esp+CFRAME_RESUME] - | mov DISPATCH, L:RB->glref // Setup pointer to dispatch table. - | add DISPATCH, GG_G2DISP - | mov L:RB->cframe, KBASEa - | mov SAVE_PC, RD // Any value outside of bytecode is ok. - | mov SAVE_CFRAME, RDa - |.if X64 - | mov SAVE_NRES, RD - | mov SAVE_ERRF, RD - |.endif - | cmp byte L:RB->status, RDL - | je >3 // Initial resume (like a call). - | - | // Resume after yield (like a return). - | set_vmstate INTERP - | mov byte L:RB->status, RDL - | mov BASE, L:RB->base - | mov RD, L:RB->top - | sub RD, RA - | shr RD, 3 - | add RD, 1 // RD = nresults+1 - | sub RA, BASE // RA = resultofs - | mov PC, [BASE-4] - | mov MULTRES, RD - | test PC, FRAME_TYPE - | jz ->BC_RET_Z - | jmp ->vm_return - | - |->vm_pcall: // Setup protected C frame and enter VM. - | // (lua_State *L, TValue *base, int nres1, ptrdiff_t ef) - | saveregs - | mov PC, FRAME_CP - |.if X64 - | mov SAVE_ERRF, CARG4d - |.endif - | jmp >1 - | - |->vm_call: // Setup C frame and enter VM. - | // (lua_State *L, TValue *base, int nres1) - | saveregs - | mov PC, FRAME_C - | - |1: // Entry point for vm_pcall above (PC = ftype). - |.if X64 - | mov SAVE_NRES, CARG3d - | mov L:RB, CARG1d // Caveat: CARG1d may be RA. - | mov SAVE_L, CARG1d - | mov RA, CARG2d - |.else - | mov L:RB, SAVE_L - | mov RA, INARG_BASE // Caveat: overlaps SAVE_CFRAME! - |.endif - | - | mov KBASEa, L:RB->cframe // Add our C frame to cframe chain. - | mov SAVE_CFRAME, KBASEa - | mov SAVE_PC, L:RB // Any value outside of bytecode is ok. - |.if X64 - | mov L:RB->cframe, rsp - |.else - | mov L:RB->cframe, esp - |.endif - | - |2: // Entry point for vm_cpcall below (RA = base, RB = L, PC = ftype). - | mov DISPATCH, L:RB->glref // Setup pointer to dispatch table. - | add DISPATCH, GG_G2DISP - | - |3: // Entry point for vm_resume above (RA = base, RB = L, PC = ftype). - | set_vmstate INTERP - | mov BASE, L:RB->base // BASE = old base (used in vmeta_call). - | add PC, RA - | sub PC, BASE // PC = frame delta + frame type - | - | mov RD, L:RB->top - | sub RD, RA - | shr NARGS:RD, 3 - | add NARGS:RD, 1 // RD = nargs+1 - | - |->vm_call_dispatch: - | mov LFUNC:RB, [RA-8] - | cmp dword [RA-4], LJ_TFUNC - | jne ->vmeta_call // Ensure KBASE defined and != BASE. - | - |->vm_call_dispatch_f: - | mov BASE, RA - | ins_call - | // BASE = new base, RB = func, RD = nargs+1, PC = caller PC - | - |->vm_cpcall: // Setup protected C frame, call C. - | // (lua_State *L, lua_CFunction func, void *ud, lua_CPFunction cp) - | saveregs - |.if X64 - | mov L:RB, CARG1d // Caveat: CARG1d may be RA. - | mov SAVE_L, CARG1d - |.else - | mov L:RB, SAVE_L - | // Caveat: INARG_CP_* and SAVE_CFRAME/SAVE_NRES/SAVE_ERRF overlap! - | mov RC, INARG_CP_UD // Get args before they are overwritten. - | mov RA, INARG_CP_FUNC - | mov BASE, INARG_CP_CALL - |.endif - | mov SAVE_PC, L:RB // Any value outside of bytecode is ok. - | - | mov KBASE, L:RB->stack // Compute -savestack(L, L->top). - | sub KBASE, L:RB->top - | mov SAVE_ERRF, 0 // No error function. - | mov SAVE_NRES, KBASE // Neg. delta means cframe w/o frame. - | // Handler may change cframe_nres(L->cframe) or cframe_errfunc(L->cframe). - | - |.if X64 - | mov KBASEa, L:RB->cframe // Add our C frame to cframe chain. - | mov SAVE_CFRAME, KBASEa - | mov L:RB->cframe, rsp - | - | call CARG4 // (lua_State *L, lua_CFunction func, void *ud) - |.else - | mov ARG3, RC // Have to copy args downwards. - | mov ARG2, RA - | mov ARG1, L:RB - | - | mov KBASE, L:RB->cframe // Add our C frame to cframe chain. - | mov SAVE_CFRAME, KBASE - | mov L:RB->cframe, esp - | - | call BASE // (lua_State *L, lua_CFunction func, void *ud) - |.endif - | // TValue * (new base) or NULL returned in eax (RC). - | test RC, RC - | jz ->vm_leave_cp // No base? Just remove C frame. - | mov RA, RC - | mov PC, FRAME_CP - | jmp <2 // Else continue with the call. - | - |//----------------------------------------------------------------------- - |//-- Metamethod handling ------------------------------------------------ - |//----------------------------------------------------------------------- - | - |//-- Continuation dispatch ---------------------------------------------- - | - |->cont_dispatch: - | // BASE = meta base, RA = resultofs, RD = nresults+1 (also in MULTRES) - | add RA, BASE - | and PC, -8 - | mov RB, BASE - | sub BASE, PC // Restore caller BASE. - | mov dword [RA+RD*8-4], LJ_TNIL // Ensure one valid arg. - | mov RC, RA // ... in [RC] - | mov PC, [RB-12] // Restore PC from [cont|PC]. - |.if X64 - | movsxd RAa, dword [RB-16] // May be negative on WIN64 with debug. -#if LJ_HASFFI - | cmp RA, 1 - | jbe >1 -#endif - | lea KBASEa, qword [=>0] - | add RAa, KBASEa - |.else - | mov RA, dword [RB-16] -#if LJ_HASFFI - | cmp RA, 1 - | jbe >1 -#endif - |.endif - | mov LFUNC:KBASE, [BASE-8] - | mov KBASE, LFUNC:KBASE->pc - | mov KBASE, [KBASE+PC2PROTO(k)] - | // BASE = base, RC = result, RB = meta base - | jmp RAa // Jump to continuation. - | -#if LJ_HASFFI - |1: - | je ->cont_ffi_callback // cont = 1: return from FFI callback. - | // cont = 0: Tail call from C function. - | sub RB, BASE - | shr RB, 3 - | lea RD, [RB-1] - | jmp ->vm_call_tail -#endif - | - |->cont_cat: // BASE = base, RC = result, RB = mbase - | movzx RA, PC_RB - | sub RB, 16 - | lea RA, [BASE+RA*8] - | sub RA, RB - | je ->cont_ra - | neg RA - | shr RA, 3 - |.if X64WIN - | mov CARG3d, RA - | mov L:CARG1d, SAVE_L - | mov L:CARG1d->base, BASE - | mov RCa, [RC] - | mov [RB], RCa - | mov CARG2d, RB - |.elif X64 - | mov L:CARG1d, SAVE_L - | mov L:CARG1d->base, BASE - | mov CARG3d, RA - | mov RAa, [RC] - | mov [RB], RAa - | mov CARG2d, RB - |.else - | mov ARG3, RA - | mov RA, [RC+4] - | mov RC, [RC] - | mov [RB+4], RA - | mov [RB], RC - | mov ARG2, RB - |.endif - | jmp ->BC_CAT_Z - | - |//-- Table indexing metamethods ----------------------------------------- - | - |->vmeta_tgets: - | mov TMP1, RC // RC = GCstr * - | mov TMP2, LJ_TSTR - | lea RCa, TMP1 // Store temp. TValue in TMP1/TMP2. - | cmp PC_OP, BC_GGET - | jne >1 - | lea RA, [DISPATCH+DISPATCH_GL(tmptv)] // Store fn->l.env in g->tmptv. - | mov [RA], TAB:RB // RB = GCtab * - | mov dword [RA+4], LJ_TTAB - | mov RB, RA - | jmp >2 - | - |->vmeta_tgetb: - | movzx RC, PC_RC - if (LJ_DUALNUM) { - | mov TMP2, LJ_TISNUM - | mov TMP1, RC - } else if (sse) { - | cvtsi2sd xmm0, RC - | movsd TMPQ, xmm0 - } else { - |.if not X64 - | mov ARG4, RC - | fild ARG4 - | fstp TMPQ - |.endif - } - | lea RCa, TMPQ // Store temp. TValue in TMPQ. - | jmp >1 - | - |->vmeta_tgetv: - | movzx RC, PC_RC // Reload TValue *k from RC. - | lea RC, [BASE+RC*8] - |1: - | movzx RB, PC_RB // Reload TValue *t from RB. - | lea RB, [BASE+RB*8] - |2: - |.if X64 - | mov L:CARG1d, SAVE_L - | mov L:CARG1d->base, BASE // Caveat: CARG2d/CARG3d may be BASE. - | mov CARG2d, RB - | mov CARG3, RCa // May be 64 bit ptr to stack. - | mov L:RB, L:CARG1d - |.else - | mov ARG2, RB - | mov L:RB, SAVE_L - | mov ARG3, RC - | mov ARG1, L:RB - | mov L:RB->base, BASE - |.endif - | mov SAVE_PC, PC - | call extern lj_meta_tget // (lua_State *L, TValue *o, TValue *k) - | // TValue * (finished) or NULL (metamethod) returned in eax (RC). - | mov BASE, L:RB->base - | test RC, RC - | jz >3 - |->cont_ra: // BASE = base, RC = result - | movzx RA, PC_RA - |.if X64 - | mov RBa, [RC] - | mov [BASE+RA*8], RBa - |.else - | mov RB, [RC+4] - | mov RC, [RC] - | mov [BASE+RA*8+4], RB - | mov [BASE+RA*8], RC - |.endif - | ins_next - | - |3: // Call __index metamethod. - | // BASE = base, L->top = new base, stack = cont/func/t/k - | mov RA, L:RB->top - | mov [RA-12], PC // [cont|PC] - | lea PC, [RA+FRAME_CONT] - | sub PC, BASE - | mov LFUNC:RB, [RA-8] // Guaranteed to be a function here. - | mov NARGS:RD, 2+1 // 2 args for func(t, k). - | jmp ->vm_call_dispatch_f - | - |//----------------------------------------------------------------------- - | - |->vmeta_tsets: - | mov TMP1, RC // RC = GCstr * - | mov TMP2, LJ_TSTR - | lea RCa, TMP1 // Store temp. TValue in TMP1/TMP2. - | cmp PC_OP, BC_GSET - | jne >1 - | lea RA, [DISPATCH+DISPATCH_GL(tmptv)] // Store fn->l.env in g->tmptv. - | mov [RA], TAB:RB // RB = GCtab * - | mov dword [RA+4], LJ_TTAB - | mov RB, RA - | jmp >2 - | - |->vmeta_tsetb: - | movzx RC, PC_RC - if (LJ_DUALNUM) { - | mov TMP2, LJ_TISNUM - | mov TMP1, RC - } else if (sse) { - | cvtsi2sd xmm0, RC - | movsd TMPQ, xmm0 - } else { - |.if not X64 - | mov ARG4, RC - | fild ARG4 - | fstp TMPQ - |.endif - } - | lea RCa, TMPQ // Store temp. TValue in TMPQ. - | jmp >1 - | - |->vmeta_tsetv: - | movzx RC, PC_RC // Reload TValue *k from RC. - | lea RC, [BASE+RC*8] - |1: - | movzx RB, PC_RB // Reload TValue *t from RB. - | lea RB, [BASE+RB*8] - |2: - |.if X64 - | mov L:CARG1d, SAVE_L - | mov L:CARG1d->base, BASE // Caveat: CARG2d/CARG3d may be BASE. - | mov CARG2d, RB - | mov CARG3, RCa // May be 64 bit ptr to stack. - | mov L:RB, L:CARG1d - |.else - | mov ARG2, RB - | mov L:RB, SAVE_L - | mov ARG3, RC - | mov ARG1, L:RB - | mov L:RB->base, BASE - |.endif - | mov SAVE_PC, PC - | call extern lj_meta_tset // (lua_State *L, TValue *o, TValue *k) - | // TValue * (finished) or NULL (metamethod) returned in eax (RC). - | mov BASE, L:RB->base - | test RC, RC - | jz >3 - | // NOBARRIER: lj_meta_tset ensures the table is not black. - | movzx RA, PC_RA - |.if X64 - | mov RBa, [BASE+RA*8] - | mov [RC], RBa - |.else - | mov RB, [BASE+RA*8+4] - | mov RA, [BASE+RA*8] - | mov [RC+4], RB - | mov [RC], RA - |.endif - |->cont_nop: // BASE = base, (RC = result) - | ins_next - | - |3: // Call __newindex metamethod. - | // BASE = base, L->top = new base, stack = cont/func/t/k/(v) - | mov RA, L:RB->top - | mov [RA-12], PC // [cont|PC] - | movzx RC, PC_RA - | // Copy value to third argument. - |.if X64 - | mov RBa, [BASE+RC*8] - | mov [RA+16], RBa - |.else - | mov RB, [BASE+RC*8+4] - | mov RC, [BASE+RC*8] - | mov [RA+20], RB - | mov [RA+16], RC - |.endif - | lea PC, [RA+FRAME_CONT] - | sub PC, BASE - | mov LFUNC:RB, [RA-8] // Guaranteed to be a function here. - | mov NARGS:RD, 3+1 // 3 args for func(t, k, v). - | jmp ->vm_call_dispatch_f - | - |//-- Comparison metamethods --------------------------------------------- - | - |->vmeta_comp: - |.if X64 - | mov L:RB, SAVE_L - | mov L:RB->base, BASE // Caveat: CARG2d/CARG3d == BASE. - |.if X64WIN - | lea CARG3d, [BASE+RD*8] - | lea CARG2d, [BASE+RA*8] - |.else - | lea CARG2d, [BASE+RA*8] - | lea CARG3d, [BASE+RD*8] - |.endif - | mov CARG1d, L:RB // Caveat: CARG1d/CARG4d == RA. - | movzx CARG4d, PC_OP - |.else - | movzx RB, PC_OP - | lea RD, [BASE+RD*8] - | lea RA, [BASE+RA*8] - | mov ARG4, RB - | mov L:RB, SAVE_L - | mov ARG3, RD - | mov ARG2, RA - | mov ARG1, L:RB - | mov L:RB->base, BASE - |.endif - | mov SAVE_PC, PC - | call extern lj_meta_comp // (lua_State *L, TValue *o1, *o2, int op) - | // 0/1 or TValue * (metamethod) returned in eax (RC). - |3: - | mov BASE, L:RB->base - | cmp RC, 1 - | ja ->vmeta_binop - |4: - | lea PC, [PC+4] - | jb >6 - |5: - | movzx RD, PC_RD - | branchPC RD - |6: - | ins_next - | - |->cont_condt: // BASE = base, RC = result - | add PC, 4 - | cmp dword [RC+4], LJ_TISTRUECOND // Branch if result is true. - | jb <5 - | jmp <6 - | - |->cont_condf: // BASE = base, RC = result - | cmp dword [RC+4], LJ_TISTRUECOND // Branch if result is false. - | jmp <4 - | - |->vmeta_equal: - | sub PC, 4 - |.if X64WIN - | mov CARG3d, RD - | mov CARG4d, RB - | mov L:RB, SAVE_L - | mov L:RB->base, BASE // Caveat: CARG2d == BASE. - | mov CARG2d, RA - | mov CARG1d, L:RB // Caveat: CARG1d == RA. - |.elif X64 - | mov CARG2d, RA - | mov CARG4d, RB // Caveat: CARG4d == RA. - | mov L:RB, SAVE_L - | mov L:RB->base, BASE // Caveat: CARG3d == BASE. - | mov CARG3d, RD - | mov CARG1d, L:RB - |.else - | mov ARG4, RB - | mov L:RB, SAVE_L - | mov ARG3, RD - | mov ARG2, RA - | mov ARG1, L:RB - | mov L:RB->base, BASE - |.endif - | mov SAVE_PC, PC - | call extern lj_meta_equal // (lua_State *L, GCobj *o1, *o2, int ne) - | // 0/1 or TValue * (metamethod) returned in eax (RC). - | jmp <3 - | - |->vmeta_equal_cd: -#if LJ_HASFFI - | sub PC, 4 - | mov L:RB, SAVE_L - | mov L:RB->base, BASE - | mov FCARG1, L:RB - | mov FCARG2, dword [PC-4] - | mov SAVE_PC, PC - | call extern lj_meta_equal_cd@8 // (lua_State *L, BCIns ins) - | // 0/1 or TValue * (metamethod) returned in eax (RC). - | jmp <3 -#endif - | - |//-- Arithmetic metamethods --------------------------------------------- - | - |->vmeta_arith_vno: -#if LJ_DUALNUM - | movzx RB, PC_RB -#endif - |->vmeta_arith_vn: - | lea RC, [KBASE+RC*8] - | jmp >1 - | - |->vmeta_arith_nvo: -#if LJ_DUALNUM - | movzx RC, PC_RC -#endif - |->vmeta_arith_nv: - | lea RC, [KBASE+RC*8] - | lea RB, [BASE+RB*8] - | xchg RB, RC - | jmp >2 - | - |->vmeta_unm: - | lea RC, [BASE+RD*8] - | mov RB, RC - | jmp >2 - | - |->vmeta_arith_vvo: -#if LJ_DUALNUM - | movzx RB, PC_RB -#endif - |->vmeta_arith_vv: - | lea RC, [BASE+RC*8] - |1: - | lea RB, [BASE+RB*8] - |2: - | lea RA, [BASE+RA*8] - |.if X64WIN - | mov CARG3d, RB - | mov CARG4d, RC - | movzx RC, PC_OP - | mov ARG5d, RC - | mov L:RB, SAVE_L - | mov L:RB->base, BASE // Caveat: CARG2d == BASE. - | mov CARG2d, RA - | mov CARG1d, L:RB // Caveat: CARG1d == RA. - |.elif X64 - | movzx CARG5d, PC_OP - | mov CARG2d, RA - | mov CARG4d, RC // Caveat: CARG4d == RA. - | mov L:CARG1d, SAVE_L - | mov L:CARG1d->base, BASE // Caveat: CARG3d == BASE. - | mov CARG3d, RB - | mov L:RB, L:CARG1d - |.else - | mov ARG3, RB - | mov L:RB, SAVE_L - | mov ARG4, RC - | movzx RC, PC_OP - | mov ARG2, RA - | mov ARG5, RC - | mov ARG1, L:RB - | mov L:RB->base, BASE - |.endif - | mov SAVE_PC, PC - | call extern lj_meta_arith // (lua_State *L, TValue *ra,*rb,*rc, BCReg op) - | // NULL (finished) or TValue * (metamethod) returned in eax (RC). - | mov BASE, L:RB->base - | test RC, RC - | jz ->cont_nop - | - | // Call metamethod for binary op. - |->vmeta_binop: - | // BASE = base, RC = new base, stack = cont/func/o1/o2 - | mov RA, RC - | sub RC, BASE - | mov [RA-12], PC // [cont|PC] - | lea PC, [RC+FRAME_CONT] - | mov NARGS:RD, 2+1 // 2 args for func(o1, o2). - | jmp ->vm_call_dispatch - | - |->vmeta_len: - | mov L:RB, SAVE_L - | mov L:RB->base, BASE - | lea FCARG2, [BASE+RD*8] // Caveat: FCARG2 == BASE - | mov L:FCARG1, L:RB - | mov SAVE_PC, PC - | call extern lj_meta_len@8 // (lua_State *L, TValue *o) - | // NULL (retry) or TValue * (metamethod) returned in eax (RC). - | mov BASE, L:RB->base -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | test RC, RC - | jne ->vmeta_binop // Binop call for compatibility. - | movzx RD, PC_RD - | mov TAB:FCARG1, [BASE+RD*8] - | jmp ->BC_LEN_Z -#else - | jmp ->vmeta_binop // Binop call for compatibility. -#endif - | - |//-- Call metamethod ---------------------------------------------------- - | - |->vmeta_call_ra: - | lea RA, [BASE+RA*8+8] - |->vmeta_call: // Resolve and call __call metamethod. - | // BASE = old base, RA = new base, RC = nargs+1, PC = return - | mov TMP2, RA // Save RA, RC for us. - | mov TMP1, NARGS:RD - | sub RA, 8 - |.if X64 - | mov L:RB, SAVE_L - | mov L:RB->base, BASE // Caveat: CARG2d/CARG3d may be BASE. - | mov CARG2d, RA - | lea CARG3d, [RA+NARGS:RD*8] - | mov CARG1d, L:RB // Caveat: CARG1d may be RA. - |.else - | lea RC, [RA+NARGS:RD*8] - | mov L:RB, SAVE_L - | mov ARG2, RA - | mov ARG3, RC - | mov ARG1, L:RB - | mov L:RB->base, BASE // This is the callers base! - |.endif - | mov SAVE_PC, PC - | call extern lj_meta_call // (lua_State *L, TValue *func, TValue *top) - | mov BASE, L:RB->base - | mov RA, TMP2 - | mov NARGS:RD, TMP1 - | mov LFUNC:RB, [RA-8] - | add NARGS:RD, 1 - | // This is fragile. L->base must not move, KBASE must always be defined. - | cmp KBASE, BASE // Continue with CALLT if flag set. - | je ->BC_CALLT_Z - | mov BASE, RA - | ins_call // Otherwise call resolved metamethod. - | - |//-- Argument coercion for 'for' statement ------------------------------ - | - |->vmeta_for: - | mov L:RB, SAVE_L - | mov L:RB->base, BASE - | mov FCARG2, RA // Caveat: FCARG2 == BASE - | mov L:FCARG1, L:RB // Caveat: FCARG1 == RA - | mov SAVE_PC, PC - | call extern lj_meta_for@8 // (lua_State *L, TValue *base) - | mov BASE, L:RB->base - | mov RC, [PC-4] - | movzx RA, RCH - | movzx OP, RCL - | shr RC, 16 - |.if X64 - | jmp aword [DISPATCH+OP*8+GG_DISP2STATIC] // Retry FORI or JFORI. - |.else - | jmp aword [DISPATCH+OP*4+GG_DISP2STATIC] // Retry FORI or JFORI. - |.endif - | - |//----------------------------------------------------------------------- - |//-- Fast functions ----------------------------------------------------- - |//----------------------------------------------------------------------- - | - |.macro .ffunc, name - |->ff_ .. name: - |.endmacro - | - |.macro .ffunc_1, name - |->ff_ .. name: - | cmp NARGS:RD, 1+1; jb ->fff_fallback - |.endmacro - | - |.macro .ffunc_2, name - |->ff_ .. name: - | cmp NARGS:RD, 2+1; jb ->fff_fallback - |.endmacro - | - |.macro .ffunc_n, name - | .ffunc_1 name - | cmp dword [BASE+4], LJ_TISNUM; jae ->fff_fallback - | fld qword [BASE] - |.endmacro - | - |.macro .ffunc_n, name, op - | .ffunc_1 name - | cmp dword [BASE+4], LJ_TISNUM; jae ->fff_fallback - | op - | fld qword [BASE] - |.endmacro - | - |.macro .ffunc_nsse, name, op - | .ffunc_1 name - | cmp dword [BASE+4], LJ_TISNUM; jae ->fff_fallback - | op xmm0, qword [BASE] - |.endmacro - | - |.macro .ffunc_nsse, name - | .ffunc_nsse name, movsd - |.endmacro - | - |.macro .ffunc_nn, name - | .ffunc_2 name - | cmp dword [BASE+4], LJ_TISNUM; jae ->fff_fallback - | cmp dword [BASE+12], LJ_TISNUM; jae ->fff_fallback - | fld qword [BASE] - | fld qword [BASE+8] - |.endmacro - | - |.macro .ffunc_nnsse, name - | .ffunc_2 name - | cmp dword [BASE+4], LJ_TISNUM; jae ->fff_fallback - | cmp dword [BASE+12], LJ_TISNUM; jae ->fff_fallback - | movsd xmm0, qword [BASE] - | movsd xmm1, qword [BASE+8] - |.endmacro - | - |.macro .ffunc_nnr, name - | .ffunc_2 name - | cmp dword [BASE+4], LJ_TISNUM; jae ->fff_fallback - | cmp dword [BASE+12], LJ_TISNUM; jae ->fff_fallback - | fld qword [BASE+8] - | fld qword [BASE] - |.endmacro - | - |// Inlined GC threshold check. Caveat: uses label 1. - |.macro ffgccheck - | mov RB, [DISPATCH+DISPATCH_GL(gc.total)] - | cmp RB, [DISPATCH+DISPATCH_GL(gc.threshold)] - | jb >1 - | call ->fff_gcstep - |1: - |.endmacro - | - |//-- Base library: checks ----------------------------------------------- - | - |.ffunc_1 assert - | mov RB, [BASE+4] - | cmp RB, LJ_TISTRUECOND; jae ->fff_fallback - | mov PC, [BASE-4] - | mov MULTRES, RD - | mov [BASE-4], RB - | mov RB, [BASE] - | mov [BASE-8], RB - | sub RD, 2 - | jz >2 - | mov RA, BASE - |1: - | add RA, 8 - |.if X64 - | mov RBa, [RA] - | mov [RA-8], RBa - |.else - | mov RB, [RA+4] - | mov [RA-4], RB - | mov RB, [RA] - | mov [RA-8], RB - |.endif - | sub RD, 1 - | jnz <1 - |2: - | mov RD, MULTRES - | jmp ->fff_res_ - | - |.ffunc_1 type - | mov RB, [BASE+4] - |.if X64 - | mov RA, RB - | sar RA, 15 - | cmp RA, -2 - | je >3 - |.endif - | mov RC, ~LJ_TNUMX - | not RB - | cmp RC, RB - ||if (cmov) { - | cmova RC, RB - ||} else { - | jbe >1; mov RC, RB; 1: - ||} - |2: - | mov CFUNC:RB, [BASE-8] - | mov STR:RC, [CFUNC:RB+RC*8+((char *)(&((GCfuncC *)0)->upvalue))] - | mov PC, [BASE-4] - | mov dword [BASE-4], LJ_TSTR - | mov [BASE-8], STR:RC - | jmp ->fff_res1 - |.if X64 - |3: - | mov RC, ~LJ_TLIGHTUD - | jmp <2 - |.endif - | - |//-- Base library: getters and setters --------------------------------- - | - |.ffunc_1 getmetatable - | mov RB, [BASE+4] - | mov PC, [BASE-4] - | cmp RB, LJ_TTAB; jne >6 - |1: // Field metatable must be at same offset for GCtab and GCudata! - | mov TAB:RB, [BASE] - | mov TAB:RB, TAB:RB->metatable - |2: - | test TAB:RB, TAB:RB - | mov dword [BASE-4], LJ_TNIL - | jz ->fff_res1 - | mov STR:RC, [DISPATCH+DISPATCH_GL(gcroot)+4*(GCROOT_MMNAME+MM_metatable)] - | mov dword [BASE-4], LJ_TTAB // Store metatable as default result. - | mov [BASE-8], TAB:RB - | mov RA, TAB:RB->hmask - | and RA, STR:RC->hash - | imul RA, #NODE - | add NODE:RA, TAB:RB->node - |3: // Rearranged logic, because we expect _not_ to find the key. - | cmp dword NODE:RA->key.it, LJ_TSTR - | jne >4 - | cmp dword NODE:RA->key.gcr, STR:RC - | je >5 - |4: - | mov NODE:RA, NODE:RA->next - | test NODE:RA, NODE:RA - | jnz <3 - | jmp ->fff_res1 // Not found, keep default result. - |5: - | mov RB, [RA+4] - | cmp RB, LJ_TNIL; je ->fff_res1 // Ditto for nil value. - | mov RC, [RA] - | mov [BASE-4], RB // Return value of mt.__metatable. - | mov [BASE-8], RC - | jmp ->fff_res1 - | - |6: - | cmp RB, LJ_TUDATA; je <1 - |.if X64 - | cmp RB, LJ_TNUMX; ja >8 - | cmp RB, LJ_TISNUM; jbe >7 - | mov RB, LJ_TLIGHTUD - | jmp >8 - |7: - |.else - | cmp RB, LJ_TISNUM; ja >8 - |.endif - | mov RB, LJ_TNUMX - |8: - | not RB - | mov TAB:RB, [DISPATCH+RB*4+DISPATCH_GL(gcroot[GCROOT_BASEMT])] - | jmp <2 - | - |.ffunc_2 setmetatable - | cmp dword [BASE+4], LJ_TTAB; jne ->fff_fallback - | // Fast path: no mt for table yet and not clearing the mt. - | mov TAB:RB, [BASE] - | cmp dword TAB:RB->metatable, 0; jne ->fff_fallback - | cmp dword [BASE+12], LJ_TTAB; jne ->fff_fallback - | mov TAB:RC, [BASE+8] - | mov TAB:RB->metatable, TAB:RC - | mov PC, [BASE-4] - | mov dword [BASE-4], LJ_TTAB // Return original table. - | mov [BASE-8], TAB:RB - | test byte TAB:RB->marked, LJ_GC_BLACK // isblack(table) - | jz >1 - | // Possible write barrier. Table is black, but skip iswhite(mt) check. - | barrierback TAB:RB, RC - |1: - | jmp ->fff_res1 - | - |.ffunc_2 rawget - | cmp dword [BASE+4], LJ_TTAB; jne ->fff_fallback - |.if X64WIN - | mov RB, BASE // Save BASE. - | lea CARG3d, [BASE+8] - | mov CARG2d, [BASE] // Caveat: CARG2d == BASE. - | mov CARG1d, SAVE_L - |.elif X64 - | mov RB, BASE // Save BASE. - | mov CARG2d, [BASE] - | lea CARG3d, [BASE+8] // Caveat: CARG3d == BASE. - | mov CARG1d, SAVE_L - |.else - | mov TAB:RD, [BASE] - | mov L:RB, SAVE_L - | mov ARG2, TAB:RD - | mov ARG1, L:RB - | mov RB, BASE // Save BASE. - | add BASE, 8 - | mov ARG3, BASE - |.endif - | call extern lj_tab_get // (lua_State *L, GCtab *t, cTValue *key) - | // cTValue * returned in eax (RD). - | mov BASE, RB // Restore BASE. - | // Copy table slot. - |.if X64 - | mov RBa, [RD] - | mov PC, [BASE-4] - | mov [BASE-8], RBa - |.else - | mov RB, [RD] - | mov RD, [RD+4] - | mov PC, [BASE-4] - | mov [BASE-8], RB - | mov [BASE-4], RD - |.endif - | jmp ->fff_res1 - | - |//-- Base library: conversions ------------------------------------------ - | - |.ffunc tonumber - | // Only handles the number case inline (without a base argument). - | cmp NARGS:RD, 1+1; jne ->fff_fallback // Exactly one argument. - | cmp dword [BASE+4], LJ_TISNUM - if (LJ_DUALNUM) { - | jne >1 - | mov RB, dword [BASE]; jmp ->fff_resi - |1: - | ja ->fff_fallback - } else { - | jae ->fff_fallback - } - if (sse) { - | movsd xmm0, qword [BASE]; jmp ->fff_resxmm0 - } else { - | fld qword [BASE]; jmp ->fff_resn - } - | - |.ffunc_1 tostring - | // Only handles the string or number case inline. - | mov PC, [BASE-4] - | cmp dword [BASE+4], LJ_TSTR; jne >3 - | // A __tostring method in the string base metatable is ignored. - | mov STR:RD, [BASE] - |2: - | mov dword [BASE-4], LJ_TSTR - | mov [BASE-8], STR:RD - | jmp ->fff_res1 - |3: // Handle numbers inline, unless a number base metatable is present. - | cmp dword [BASE+4], LJ_TISNUM; ja ->fff_fallback - | cmp dword [DISPATCH+DISPATCH_GL(gcroot[GCROOT_BASEMT_NUM])], 0 - | jne ->fff_fallback - | ffgccheck // Caveat: uses label 1. - | mov L:RB, SAVE_L - | mov L:RB->base, BASE // Add frame since C call can throw. - | mov SAVE_PC, PC // Redundant (but a defined value). - |.if X64 and not X64WIN - | mov FCARG2, BASE // Otherwise: FCARG2 == BASE - |.endif - | mov L:FCARG1, L:RB - if (LJ_DUALNUM) { - | call extern lj_str_fromnumber@8 // (lua_State *L, cTValue *o) - } else { - | call extern lj_str_fromnum@8 // (lua_State *L, lua_Number *np) - } - | // GCstr returned in eax (RD). - | mov BASE, L:RB->base - | jmp <2 - | - |//-- Base library: iterators ------------------------------------------- - | - |.ffunc_1 next - | je >2 // Missing 2nd arg? - |1: - | cmp dword [BASE+4], LJ_TTAB; jne ->fff_fallback - | mov L:RB, SAVE_L - | mov L:RB->base, BASE // Add frame since C call can throw. - | mov L:RB->top, BASE // Dummy frame length is ok. - | mov PC, [BASE-4] - |.if X64WIN - | lea CARG3d, [BASE+8] - | mov CARG2d, [BASE] // Caveat: CARG2d == BASE. - | mov CARG1d, L:RB - |.elif X64 - | mov CARG2d, [BASE] - | lea CARG3d, [BASE+8] // Caveat: CARG3d == BASE. - | mov CARG1d, L:RB - |.else - | mov TAB:RD, [BASE] - | mov ARG2, TAB:RD - | mov ARG1, L:RB - | add BASE, 8 - | mov ARG3, BASE - |.endif - | mov SAVE_PC, PC // Redundant (but a defined value). - | call extern lj_tab_next // (lua_State *L, GCtab *t, TValue *key) - | // Flag returned in eax (RD). - | mov BASE, L:RB->base - | test RD, RD; jz >3 // End of traversal? - | // Copy key and value to results. - |.if X64 - | mov RBa, [BASE+8] - | mov RDa, [BASE+16] - | mov [BASE-8], RBa - | mov [BASE], RDa - |.else - | mov RB, [BASE+8] - | mov RD, [BASE+12] - | mov [BASE-8], RB - | mov [BASE-4], RD - | mov RB, [BASE+16] - | mov RD, [BASE+20] - | mov [BASE], RB - | mov [BASE+4], RD - |.endif - |->fff_res2: - | mov RD, 1+2 - | jmp ->fff_res - |2: // Set missing 2nd arg to nil. - | mov dword [BASE+12], LJ_TNIL - | jmp <1 - |3: // End of traversal: return nil. - | mov dword [BASE-4], LJ_TNIL - | jmp ->fff_res1 - | - |.ffunc_1 pairs - | mov TAB:RB, [BASE] - | cmp dword [BASE+4], LJ_TTAB; jne ->fff_fallback -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | cmp dword TAB:RB->metatable, 0; jne ->fff_fallback -#endif - | mov CFUNC:RB, [BASE-8] - | mov CFUNC:RD, CFUNC:RB->upvalue[0] - | mov PC, [BASE-4] - | mov dword [BASE-4], LJ_TFUNC - | mov [BASE-8], CFUNC:RD - | mov dword [BASE+12], LJ_TNIL - | mov RD, 1+3 - | jmp ->fff_res - | - |.ffunc_1 ipairs_aux - | cmp dword [BASE+4], LJ_TTAB; jne ->fff_fallback - | cmp dword [BASE+12], LJ_TISNUM - if (LJ_DUALNUM) { - | jne ->fff_fallback - } else { - | jae ->fff_fallback - } - | mov PC, [BASE-4] - if (LJ_DUALNUM) { - | mov RD, dword [BASE+8] - | add RD, 1 - | mov dword [BASE-4], LJ_TISNUM - | mov dword [BASE-8], RD - } else if (sse) { - | movsd xmm0, qword [BASE+8] - | sseconst_1 xmm1, RBa - | addsd xmm0, xmm1 - | cvtsd2si RD, xmm0 - | movsd qword [BASE-8], xmm0 - } else { - |.if not X64 - | fld qword [BASE+8] - | fld1 - | faddp st1 - | fist ARG1 - | fstp qword [BASE-8] - | mov RD, ARG1 - |.endif - } - | mov TAB:RB, [BASE] - | cmp RD, TAB:RB->asize; jae >2 // Not in array part? - | shl RD, 3 - | add RD, TAB:RB->array - |1: - | cmp dword [RD+4], LJ_TNIL; je ->fff_res0 - | // Copy array slot. - |.if X64 - | mov RBa, [RD] - | mov [BASE], RBa - |.else - | mov RB, [RD] - | mov RD, [RD+4] - | mov [BASE], RB - | mov [BASE+4], RD - |.endif - | jmp ->fff_res2 - |2: // Check for empty hash part first. Otherwise call C function. - | cmp dword TAB:RB->hmask, 0; je ->fff_res0 - | mov FCARG1, TAB:RB - | mov RB, BASE // Save BASE. - | mov FCARG2, RD // Caveat: FCARG2 == BASE - | call extern lj_tab_getinth@8 // (GCtab *t, int32_t key) - | // cTValue * or NULL returned in eax (RD). - | mov BASE, RB - | test RD, RD - | jnz <1 - |->fff_res0: - | mov RD, 1+0 - | jmp ->fff_res - | - |.ffunc_1 ipairs - | mov TAB:RB, [BASE] - | cmp dword [BASE+4], LJ_TTAB; jne ->fff_fallback -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | cmp dword TAB:RB->metatable, 0; jne ->fff_fallback -#endif - | mov CFUNC:RB, [BASE-8] - | mov CFUNC:RD, CFUNC:RB->upvalue[0] - | mov PC, [BASE-4] - | mov dword [BASE-4], LJ_TFUNC - | mov [BASE-8], CFUNC:RD - if (LJ_DUALNUM) { - | mov dword [BASE+12], LJ_TISNUM - | mov dword [BASE+8], 0 - } else if (sse) { - | xorps xmm0, xmm0 - | movsd qword [BASE+8], xmm0 - } else { - | fldz - | fstp qword [BASE+8] - } - | mov RD, 1+3 - | jmp ->fff_res - | - |//-- Base library: catch errors ---------------------------------------- - | - |.ffunc_1 pcall - | lea RA, [BASE+8] - | sub NARGS:RD, 1 - | mov PC, 8+FRAME_PCALL - |1: - | movzx RB, byte [DISPATCH+DISPATCH_GL(hookmask)] - | shr RB, HOOK_ACTIVE_SHIFT - | and RB, 1 - | add PC, RB // Remember active hook before pcall. - | jmp ->vm_call_dispatch - | - |.ffunc_2 xpcall - | cmp dword [BASE+12], LJ_TFUNC; jne ->fff_fallback - | mov RB, [BASE+4] // Swap function and traceback. - | mov [BASE+12], RB - | mov dword [BASE+4], LJ_TFUNC - | mov LFUNC:RB, [BASE] - | mov PC, [BASE+8] - | mov [BASE+8], LFUNC:RB - | mov [BASE], PC - | lea RA, [BASE+16] - | sub NARGS:RD, 2 - | mov PC, 16+FRAME_PCALL - | jmp <1 - | - |//-- Coroutine library -------------------------------------------------- - | - |.macro coroutine_resume_wrap, resume - |.if resume - |.ffunc_1 coroutine_resume - | mov L:RB, [BASE] - |.else - |.ffunc coroutine_wrap_aux - | mov CFUNC:RB, [BASE-8] - | mov L:RB, CFUNC:RB->upvalue[0].gcr - |.endif - | mov PC, [BASE-4] - | mov SAVE_PC, PC - |.if X64 - | mov TMP1, L:RB - |.else - | mov ARG1, L:RB - |.endif - |.if resume - | cmp dword [BASE+4], LJ_TTHREAD; jne ->fff_fallback - |.endif - | cmp aword L:RB->cframe, 0; jne ->fff_fallback - | cmp byte L:RB->status, LUA_YIELD; ja ->fff_fallback - | mov RA, L:RB->top - | je >1 // Status != LUA_YIELD (i.e. 0)? - | cmp RA, L:RB->base // Check for presence of initial func. - | je ->fff_fallback - |1: - |.if resume - | lea PC, [RA+NARGS:RD*8-16] // Check stack space (-1-thread). - |.else - | lea PC, [RA+NARGS:RD*8-8] // Check stack space (-1). - |.endif - | cmp PC, L:RB->maxstack; ja ->fff_fallback - | mov L:RB->top, PC - | - | mov L:RB, SAVE_L - | mov L:RB->base, BASE - |.if resume - | add BASE, 8 // Keep resumed thread in stack for GC. - |.endif - | mov L:RB->top, BASE - |.if resume - | lea RB, [BASE+NARGS:RD*8-24] // RB = end of source for stack move. - |.else - | lea RB, [BASE+NARGS:RD*8-16] // RB = end of source for stack move. - |.endif - | sub RBa, PCa // Relative to PC. - | - | cmp PC, RA - | je >3 - |2: // Move args to coroutine. - |.if X64 - | mov RCa, [PC+RB] - | mov [PC-8], RCa - |.else - | mov RC, [PC+RB+4] - | mov [PC-4], RC - | mov RC, [PC+RB] - | mov [PC-8], RC - |.endif - | sub PC, 8 - | cmp PC, RA - | jne <2 - |3: - |.if X64 - | mov CARG2d, RA - | mov CARG1d, TMP1 - |.else - | mov ARG2, RA - | xor RA, RA - | mov ARG4, RA - | mov ARG3, RA - |.endif - | call ->vm_resume // (lua_State *L, TValue *base, 0, 0) - | set_vmstate INTERP - | - | mov L:RB, SAVE_L - |.if X64 - | mov L:PC, TMP1 - |.else - | mov L:PC, ARG1 // The callee doesn't modify SAVE_L. - |.endif - | mov BASE, L:RB->base - | cmp eax, LUA_YIELD - | ja >8 - |4: - | mov RA, L:PC->base - | mov KBASE, L:PC->top - | mov L:PC->top, RA // Clear coroutine stack. - | mov PC, KBASE - | sub PC, RA - | je >6 // No results? - | lea RD, [BASE+PC] - | shr PC, 3 - | cmp RD, L:RB->maxstack - | ja >9 // Need to grow stack? - | - | mov RB, BASE - | sub RBa, RAa - |5: // Move results from coroutine. - |.if X64 - | mov RDa, [RA] - | mov [RA+RB], RDa - |.else - | mov RD, [RA] - | mov [RA+RB], RD - | mov RD, [RA+4] - | mov [RA+RB+4], RD - |.endif - | add RA, 8 - | cmp RA, KBASE - | jne <5 - |6: - |.if resume - | lea RD, [PC+2] // nresults+1 = 1 + true + results. - | mov dword [BASE-4], LJ_TTRUE // Prepend true to results. - |.else - | lea RD, [PC+1] // nresults+1 = 1 + results. - |.endif - |7: - | mov PC, SAVE_PC - | mov MULTRES, RD - |.if resume - | mov RAa, -8 - |.else - | xor RA, RA - |.endif - | test PC, FRAME_TYPE - | jz ->BC_RET_Z - | jmp ->vm_return - | - |8: // Coroutine returned with error (at co->top-1). - |.if resume - | mov dword [BASE-4], LJ_TFALSE // Prepend false to results. - | mov RA, L:PC->top - | sub RA, 8 - | mov L:PC->top, RA // Clear error from coroutine stack. - | // Copy error message. - |.if X64 - | mov RDa, [RA] - | mov [BASE], RDa - |.else - | mov RD, [RA] - | mov [BASE], RD - | mov RD, [RA+4] - | mov [BASE+4], RD - |.endif - | mov RD, 1+2 // nresults+1 = 1 + false + error. - | jmp <7 - |.else - | mov FCARG2, L:PC - | mov FCARG1, L:RB - | call extern lj_ffh_coroutine_wrap_err@8 // (lua_State *L, lua_State *co) - | // Error function does not return. - |.endif - | - |9: // Handle stack expansion on return from yield. - |.if X64 - | mov L:RA, TMP1 - |.else - | mov L:RA, ARG1 // The callee doesn't modify SAVE_L. - |.endif - | mov L:RA->top, KBASE // Undo coroutine stack clearing. - | mov FCARG2, PC - | mov FCARG1, L:RB - | call extern lj_state_growstack@8 // (lua_State *L, int n) - |.if X64 - | mov L:PC, TMP1 - |.else - | mov L:PC, ARG1 - |.endif - | mov BASE, L:RB->base - | jmp <4 // Retry the stack move. - |.endmacro - | - | coroutine_resume_wrap 1 // coroutine.resume - | coroutine_resume_wrap 0 // coroutine.wrap - | - |.ffunc coroutine_yield - | mov L:RB, SAVE_L - | test aword L:RB->cframe, CFRAME_RESUME - | jz ->fff_fallback - | mov L:RB->base, BASE - | lea RD, [BASE+NARGS:RD*8-8] - | mov L:RB->top, RD - | xor RD, RD - | mov aword L:RB->cframe, RDa - | mov al, LUA_YIELD - | mov byte L:RB->status, al - | jmp ->vm_leave_unw - | - |//-- Math library ------------------------------------------------------- - | - if (!LJ_DUALNUM) { - |->fff_resi: // Dummy. - } - if (sse) { - |->fff_resn: - | mov PC, [BASE-4] - | fstp qword [BASE-8] - | jmp ->fff_res1 - } - | .ffunc_1 math_abs - if (LJ_DUALNUM) { - | cmp dword [BASE+4], LJ_TISNUM; jne >2 - | mov RB, dword [BASE] - | cmp RB, 0; jns ->fff_resi - | neg RB; js >1 - |->fff_resbit: - |->fff_resi: - | mov PC, [BASE-4] - | mov dword [BASE-4], LJ_TISNUM - | mov dword [BASE-8], RB - | jmp ->fff_res1 - |1: - | mov PC, [BASE-4] - | mov dword [BASE-4], 0x41e00000 // 2^31. - | mov dword [BASE-8], 0 - | jmp ->fff_res1 - |2: - | ja ->fff_fallback - } else { - | cmp dword [BASE+4], LJ_TISNUM; jae ->fff_fallback - } - if (sse) { - | movsd xmm0, qword [BASE] - | sseconst_abs xmm1, RDa - | andps xmm0, xmm1 - |->fff_resxmm0: - | mov PC, [BASE-4] - | movsd qword [BASE-8], xmm0 - | // fallthrough - } else { - | fld qword [BASE] - | fabs - | // fallthrough - |->fff_resxmm0: // Dummy. - |->fff_resn: - | mov PC, [BASE-4] - | fstp qword [BASE-8] - } - |->fff_res1: - | mov RD, 1+1 - |->fff_res: - | mov MULTRES, RD - |->fff_res_: - | test PC, FRAME_TYPE - | jnz >7 - |5: - | cmp PC_RB, RDL // More results expected? - | ja >6 - | // Adjust BASE. KBASE is assumed to be set for the calling frame. - | movzx RA, PC_RA - | not RAa // Note: ~RA = -(RA+1) - | lea BASE, [BASE+RA*8] // base = base - (RA+1)*8 - | ins_next - | - |6: // Fill up results with nil. - | mov dword [BASE+RD*8-12], LJ_TNIL - | add RD, 1 - | jmp <5 - | - |7: // Non-standard return case. - | mov RAa, -8 // Results start at BASE+RA = BASE-8. - | jmp ->vm_return - | - |.macro math_round, func - | .ffunc math_ .. func - ||if (LJ_DUALNUM) { - | cmp dword [BASE+4], LJ_TISNUM; jne >1 - | mov RB, dword [BASE]; jmp ->fff_resi - |1: - | ja ->fff_fallback - ||} else { - | cmp dword [BASE+4], LJ_TISNUM; jae ->fff_fallback - ||} - ||if (sse) { - | movsd xmm0, qword [BASE] - | call ->vm_ .. func - || if (LJ_DUALNUM) { - | cvtsd2si RB, xmm0 - | cmp RB, 0x80000000 - | jne ->fff_resi - | cvtsi2sd xmm1, RB - | ucomisd xmm0, xmm1 - | jp ->fff_resxmm0 - | je ->fff_resi - || } - | jmp ->fff_resxmm0 - ||} else { - | fld qword [BASE] - | call ->vm_ .. func - || if (LJ_DUALNUM) { - |.if not X64 - | fist ARG1 - | mov RB, ARG1 - | cmp RB, 0x80000000; jne >2 - | fdup - | fild ARG1 - | fcomparepp - | jp ->fff_resn - | jne ->fff_resn - |2: - | fpop - | jmp ->fff_resi - |.endif - || } else { - | jmp ->fff_resn - || } - ||} - |.endmacro - | - | math_round floor - | math_round ceil - | - if (sse) { - |.ffunc_nsse math_sqrt, sqrtsd; jmp ->fff_resxmm0 - } else { - |.ffunc_n math_sqrt; fsqrt; jmp ->fff_resn - } - |.ffunc_n math_log, fldln2; fyl2x; jmp ->fff_resn - |.ffunc_n math_log10, fldlg2; fyl2x; jmp ->fff_resn - |.ffunc_n math_exp; call ->vm_exp_x87; jmp ->fff_resn - | - |.ffunc_n math_sin; fsin; jmp ->fff_resn - |.ffunc_n math_cos; fcos; jmp ->fff_resn - |.ffunc_n math_tan; fptan; fpop; jmp ->fff_resn - | - |.ffunc_n math_asin - | fdup; fmul st0; fld1; fsubrp st1; fsqrt; fpatan - | jmp ->fff_resn - |.ffunc_n math_acos - | fdup; fmul st0; fld1; fsubrp st1; fsqrt; fxch; fpatan - | jmp ->fff_resn - |.ffunc_n math_atan; fld1; fpatan; jmp ->fff_resn - | - |.macro math_extern, func - ||if (sse) { - | .ffunc_nsse math_ .. func - | .if not X64 - | movsd FPARG1, xmm0 - | .endif - ||} else { - | .if not X64 - | .ffunc_n math_ .. func - | fstp FPARG1 - | .endif - ||} - | mov RB, BASE - | call extern lj_vm_ .. func - | mov BASE, RB - | .if X64 - | jmp ->fff_resxmm0 - | .else - | jmp ->fff_resn - | .endif - |.endmacro - | - | math_extern sinh - | math_extern cosh - | math_extern tanh - | - |->ff_math_deg: - if (sse) { - |.ffunc_nsse math_rad - | mov CFUNC:RB, [BASE-8] - | mulsd xmm0, qword CFUNC:RB->upvalue[0] - | jmp ->fff_resxmm0 - } else { - |.ffunc_n math_rad - | mov CFUNC:RB, [BASE-8] - | fmul qword CFUNC:RB->upvalue[0] - | jmp ->fff_resn - } - | - |.ffunc_nn math_atan2; fpatan; jmp ->fff_resn - |.ffunc_nnr math_ldexp; fscale; fpop1; jmp ->fff_resn - | - |.ffunc_1 math_frexp - | mov RB, [BASE+4] - | cmp RB, LJ_TISNUM; jae ->fff_fallback - | mov PC, [BASE-4] - | mov RC, [BASE] - | mov [BASE-4], RB; mov [BASE-8], RC - | shl RB, 1; cmp RB, 0xffe00000; jae >3 - | or RC, RB; jz >3 - | mov RC, 1022 - | cmp RB, 0x00200000; jb >4 - |1: - | shr RB, 21; sub RB, RC // Extract and unbias exponent. - if (sse) { - | cvtsi2sd xmm0, RB - } else { - | mov TMP1, RB; fild TMP1 - } - | mov RB, [BASE-4] - | and RB, 0x800fffff // Mask off exponent. - | or RB, 0x3fe00000 // Put mantissa in range [0.5,1) or 0. - | mov [BASE-4], RB - |2: - if (sse) { - | movsd qword [BASE], xmm0 - } else { - | fstp qword [BASE] - } - | mov RD, 1+2 - | jmp ->fff_res - |3: // Return +-0, +-Inf, NaN unmodified and an exponent of 0. - if (sse) { - | xorps xmm0, xmm0; jmp <2 - } else { - | fldz; jmp <2 - } - |4: // Handle denormals by multiplying with 2^54 and adjusting the bias. - if (sse) { - | movsd xmm0, qword [BASE] - | sseconst_hi xmm1, RBa, 43500000 // 2^54. - | mulsd xmm0, xmm1 - | movsd qword [BASE-8], xmm0 - } else { - | fld qword [BASE] - | mov TMP1, 0x5a800000; fmul TMP1 // x = x*2^54 - | fstp qword [BASE-8] - } - | mov RB, [BASE-4]; mov RC, 1076; shl RB, 1; jmp <1 - | - if (sse) { - |.ffunc_nsse math_modf - } else { - |.ffunc_n math_modf - } - | mov RB, [BASE+4] - | mov PC, [BASE-4] - | shl RB, 1; cmp RB, 0xffe00000; je >4 // +-Inf? - if (sse) { - | movaps xmm4, xmm0 - | call ->vm_trunc - | subsd xmm4, xmm0 - |1: - | movsd qword [BASE-8], xmm0 - | movsd qword [BASE], xmm4 - } else { - | fdup - | call ->vm_trunc - | fsub st1, st0 - |1: - | fstp qword [BASE-8] - | fstp qword [BASE] - } - | mov RC, [BASE-4]; mov RB, [BASE+4] - | xor RC, RB; js >3 // Need to adjust sign? - |2: - | mov RD, 1+2 - | jmp ->fff_res - |3: - | xor RB, 0x80000000; mov [BASE+4], RB // Flip sign of fraction. - | jmp <2 - |4: - if (sse) { - | xorps xmm4, xmm4; jmp <1 // Return +-Inf and +-0. - } else { - | fldz; fxch; jmp <1 // Return +-Inf and +-0. - } - | - |.ffunc_nnr math_fmod - |1: ; fprem; fnstsw ax; sahf; jp <1 - | fpop1 - | jmp ->fff_resn - | - if (sse) { - |.ffunc_nnsse math_pow; call ->vm_pow; jmp ->fff_resxmm0 - } else { - |.ffunc_nn math_pow; call ->vm_pow; jmp ->fff_resn - } - | - |.macro math_minmax, name, cmovop, fcmovop, nofcmovop, sseop - | .ffunc name - | mov RA, 2 - | cmp dword [BASE+4], LJ_TISNUM - ||if (LJ_DUALNUM) { - | jne >4 - | mov RB, dword [BASE] - |1: // Handle integers. - | cmp RA, RD; jae ->fff_resi - | cmp dword [BASE+RA*8-4], LJ_TISNUM; jne >3 - | cmp RB, dword [BASE+RA*8-8] - | cmovop RB, dword [BASE+RA*8-8] - | add RA, 1 - | jmp <1 - |3: - | ja ->fff_fallback - | // Convert intermediate result to number and continue below. - ||if (sse) { - | cvtsi2sd xmm0, RB - ||} else { - |.if not X64 - | mov TMP1, RB - | fild TMP1 - |.endif - ||} - | jmp >6 - |4: - | ja ->fff_fallback - ||} else { - | jae ->fff_fallback - ||} - | - ||if (sse) { - | movsd xmm0, qword [BASE] - |5: // Handle numbers or integers. - | cmp RA, RD; jae ->fff_resxmm0 - | cmp dword [BASE+RA*8-4], LJ_TISNUM - ||if (LJ_DUALNUM) { - | jb >6 - | ja ->fff_fallback - | cvtsi2sd xmm1, dword [BASE+RA*8-8] - | jmp >7 - ||} else { - | jae ->fff_fallback - ||} - |6: - | movsd xmm1, qword [BASE+RA*8-8] - |7: - | sseop xmm0, xmm1 - | add RA, 1 - | jmp <5 - ||} else { - |.if not X64 - | fld qword [BASE] - |5: // Handle numbers or integers. - | cmp RA, RD; jae ->fff_resn - | cmp dword [BASE+RA*8-4], LJ_TISNUM - ||if (LJ_DUALNUM) { - | jb >6 - | ja >9 - | fild dword [BASE+RA*8-8] - | jmp >7 - ||} else { - | jae >9 - ||} - |6: - | fld qword [BASE+RA*8-8] - |7: - ||if (cmov) { - | fucomi st1; fcmovop st1; fpop1 - ||} else { - | push eax - | fucom st1; fnstsw ax; test ah, 1; nofcmovop >2; fxch; 2: ; fpop - | pop eax - ||} - | add RA, 1 - | jmp <5 - |.endif - ||} - |.endmacro - | - | math_minmax math_min, cmovg, fcmovnbe, jz, minsd - | math_minmax math_max, cmovl, fcmovbe, jnz, maxsd - if (!sse) { - |9: - | fpop; jmp ->fff_fallback - } - | - |//-- String library ----------------------------------------------------- - | - |.ffunc_1 string_len - | cmp dword [BASE+4], LJ_TSTR; jne ->fff_fallback - | mov STR:RB, [BASE] - if (LJ_DUALNUM) { - | mov RB, dword STR:RB->len; jmp ->fff_resi - } else if (sse) { - | cvtsi2sd xmm0, dword STR:RB->len; jmp ->fff_resxmm0 - } else { - | fild dword STR:RB->len; jmp ->fff_resn - } - | - |.ffunc string_byte // Only handle the 1-arg case here. - | cmp NARGS:RD, 1+1; jne ->fff_fallback - | cmp dword [BASE+4], LJ_TSTR; jne ->fff_fallback - | mov STR:RB, [BASE] - | mov PC, [BASE-4] - | cmp dword STR:RB->len, 1 - | jb ->fff_res0 // Return no results for empty string. - | movzx RB, byte STR:RB[1] - if (LJ_DUALNUM) { - | jmp ->fff_resi - } else if (sse) { - | cvtsi2sd xmm0, RB; jmp ->fff_resxmm0 - } else { - | mov TMP1, RB; fild TMP1; jmp ->fff_resn - } - | - |.ffunc string_char // Only handle the 1-arg case here. - | ffgccheck - | cmp NARGS:RD, 1+1; jne ->fff_fallback // *Exactly* 1 arg. - | cmp dword [BASE+4], LJ_TISNUM - if (LJ_DUALNUM) { - | jne ->fff_fallback - | mov RB, dword [BASE] - | cmp RB, 255; ja ->fff_fallback - | mov TMP2, RB - } else if (sse) { - | jae ->fff_fallback - | cvttsd2si RB, qword [BASE] - | cmp RB, 255; ja ->fff_fallback - | mov TMP2, RB - } else { - | jae ->fff_fallback - | fld qword [BASE] - | fistp TMP2 - | cmp TMP2, 255; ja ->fff_fallback - } - |.if X64 - | mov TMP3, 1 - |.else - | mov ARG3, 1 - |.endif - | lea RDa, TMP2 // Points to stack. Little-endian. - |->fff_newstr: - | mov L:RB, SAVE_L - | mov L:RB->base, BASE - |.if X64 - | mov CARG3d, TMP3 // Zero-extended to size_t. - | mov CARG2, RDa // May be 64 bit ptr to stack. - | mov CARG1d, L:RB - |.else - | mov ARG2, RD - | mov ARG1, L:RB - |.endif - | mov SAVE_PC, PC - | call extern lj_str_new // (lua_State *L, char *str, size_t l) - | // GCstr * returned in eax (RD). - | mov BASE, L:RB->base - | mov PC, [BASE-4] - | mov dword [BASE-4], LJ_TSTR - | mov [BASE-8], STR:RD - | jmp ->fff_res1 - | - |.ffunc string_sub - | ffgccheck - | mov TMP2, -1 - | cmp NARGS:RD, 1+2; jb ->fff_fallback - | jna >1 - | cmp dword [BASE+20], LJ_TISNUM - if (LJ_DUALNUM) { - | jne ->fff_fallback - | mov RB, dword [BASE+16] - | mov TMP2, RB - } else if (sse) { - | jae ->fff_fallback - | cvttsd2si RB, qword [BASE+16] - | mov TMP2, RB - } else { - | jae ->fff_fallback - | fld qword [BASE+16] - | fistp TMP2 - } - |1: - | cmp dword [BASE+4], LJ_TSTR; jne ->fff_fallback - | cmp dword [BASE+12], LJ_TISNUM - if (LJ_DUALNUM) { - | jne ->fff_fallback - } else { - | jae ->fff_fallback - } - | mov STR:RB, [BASE] - | mov TMP3, STR:RB - | mov RB, STR:RB->len - if (LJ_DUALNUM) { - | mov RA, dword [BASE+8] - } else if (sse) { - | cvttsd2si RA, qword [BASE+8] - } else { - |.if not X64 - | fld qword [BASE+8] - | fistp ARG3 - | mov RA, ARG3 - |.endif - } - | mov RC, TMP2 - | cmp RB, RC // len < end? (unsigned compare) - | jb >5 - |2: - | test RA, RA // start <= 0? - | jle >7 - |3: - | mov STR:RB, TMP3 - | sub RC, RA // start > end? - | jl ->fff_emptystr - | lea RB, [STR:RB+RA+#STR-1] - | add RC, 1 - |4: - |.if X64 - | mov TMP3, RC - |.else - | mov ARG3, RC - |.endif - | mov RD, RB - | jmp ->fff_newstr - | - |5: // Negative end or overflow. - | jl >6 - | lea RC, [RC+RB+1] // end = end+(len+1) - | jmp <2 - |6: // Overflow. - | mov RC, RB // end = len - | jmp <2 - | - |7: // Negative start or underflow. - | je >8 - | add RA, RB // start = start+(len+1) - | add RA, 1 - | jg <3 // start > 0? - |8: // Underflow. - | mov RA, 1 // start = 1 - | jmp <3 - | - |->fff_emptystr: // Range underflow. - | xor RC, RC // Zero length. Any ptr in RB is ok. - | jmp <4 - | - |.ffunc_2 string_rep // Only handle the 1-char case inline. - | ffgccheck - | cmp dword [BASE+4], LJ_TSTR; jne ->fff_fallback - | cmp dword [BASE+12], LJ_TISNUM - | mov STR:RB, [BASE] - if (LJ_DUALNUM) { - | jne ->fff_fallback - | mov RC, dword [BASE+8] - } else if (sse) { - | jae ->fff_fallback - | cvttsd2si RC, qword [BASE+8] - } else { - | jae ->fff_fallback - | fld qword [BASE+8] - | fistp TMP2 - | mov RC, TMP2 - } - | test RC, RC - | jle ->fff_emptystr // Count <= 0? (or non-int) - | cmp dword STR:RB->len, 1 - | jb ->fff_emptystr // Zero length string? - | jne ->fff_fallback_2 // Fallback for > 1-char strings. - | cmp [DISPATCH+DISPATCH_GL(tmpbuf.sz)], RC; jb ->fff_fallback_2 - | movzx RA, byte STR:RB[1] - | mov RB, [DISPATCH+DISPATCH_GL(tmpbuf.buf)] - |.if X64 - | mov TMP3, RC - |.else - | mov ARG3, RC - |.endif - |1: // Fill buffer with char. Yes, this is suboptimal code (do you care?). - | mov [RB], RAL - | add RB, 1 - | sub RC, 1 - | jnz <1 - | mov RD, [DISPATCH+DISPATCH_GL(tmpbuf.buf)] - | jmp ->fff_newstr - | - |.ffunc_1 string_reverse - | ffgccheck - | cmp dword [BASE+4], LJ_TSTR; jne ->fff_fallback - | mov STR:RB, [BASE] - | mov RC, STR:RB->len - | test RC, RC - | jz ->fff_emptystr // Zero length string? - | cmp [DISPATCH+DISPATCH_GL(tmpbuf.sz)], RC; jb ->fff_fallback_1 - | add RB, #STR - | mov TMP2, PC // Need another temp register. - |.if X64 - | mov TMP3, RC - |.else - | mov ARG3, RC - |.endif - | mov PC, [DISPATCH+DISPATCH_GL(tmpbuf.buf)] - |1: - | movzx RA, byte [RB] - | add RB, 1 - | sub RC, 1 - | mov [PC+RC], RAL - | jnz <1 - | mov RD, PC - | mov PC, TMP2 - | jmp ->fff_newstr - | - |.macro ffstring_case, name, lo, hi - | .ffunc_1 name - | ffgccheck - | cmp dword [BASE+4], LJ_TSTR; jne ->fff_fallback - | mov STR:RB, [BASE] - | mov RC, STR:RB->len - | cmp [DISPATCH+DISPATCH_GL(tmpbuf.sz)], RC; jb ->fff_fallback_1 - | add RB, #STR - | mov TMP2, PC // Need another temp register. - |.if X64 - | mov TMP3, RC - |.else - | mov ARG3, RC - |.endif - | mov PC, [DISPATCH+DISPATCH_GL(tmpbuf.buf)] - | jmp >3 - |1: // ASCII case conversion. Yes, this is suboptimal code (do you care?). - | movzx RA, byte [RB+RC] - | cmp RA, lo - | jb >2 - | cmp RA, hi - | ja >2 - | xor RA, 0x20 - |2: - | mov [PC+RC], RAL - |3: - | sub RC, 1 - | jns <1 - | mov RD, PC - | mov PC, TMP2 - | jmp ->fff_newstr - |.endmacro - | - |ffstring_case string_lower, 0x41, 0x5a - |ffstring_case string_upper, 0x61, 0x7a - | - |//-- Table library ------------------------------------------------------ - | - |.ffunc_1 table_getn - | cmp dword [BASE+4], LJ_TTAB; jne ->fff_fallback - | mov RB, BASE // Save BASE. - | mov TAB:FCARG1, [BASE] - | call extern lj_tab_len@4 // LJ_FASTCALL (GCtab *t) - | // Length of table returned in eax (RD). - | mov BASE, RB // Restore BASE. - if (LJ_DUALNUM) { - | mov RB, RD; jmp ->fff_resi - } else if (sse) { - | cvtsi2sd xmm0, RD; jmp ->fff_resxmm0 - } else { - |.if not X64 - | mov ARG1, RD; fild ARG1; jmp ->fff_resn - |.endif - } - | - |//-- Bit library -------------------------------------------------------- - | - |.define TOBIT_BIAS, 0x59c00000 // 2^52 + 2^51 (float, not double!). - | - |.macro .ffunc_bit, name, kind - | .ffunc_1 name - |.if kind == 2 - ||if (sse) { - | sseconst_tobit xmm1, RBa - ||} else { - | mov TMP1, TOBIT_BIAS - ||} - |.endif - | cmp dword [BASE+4], LJ_TISNUM - ||if (LJ_DUALNUM) { - | jne >1 - | mov RB, dword [BASE] - |.if kind > 0 - | jmp >2 - |.else - | jmp ->fff_resbit - |.endif - |1: - | ja ->fff_fallback - ||} else { - | jae ->fff_fallback - ||} - ||if (sse) { - | movsd xmm0, qword [BASE] - |.if kind < 2 - | sseconst_tobit xmm1, RBa - |.endif - | addsd xmm0, xmm1 - | movd RB, xmm0 - ||} else { - |.if not X64 - | fld qword [BASE] - |.if kind < 2 - | mov TMP1, TOBIT_BIAS - |.endif - | fadd TMP1 - | fstp FPARG1 - |.if kind > 0 - | mov RB, ARG1 - |.endif - |.endif - ||} - |2: - |.endmacro - | - |.ffunc_bit bit_tobit, 0 - if (LJ_DUALNUM || sse) { - if (!sse) { - |.if not X64 - | mov RB, ARG1 - |.endif - } - | jmp ->fff_resbit - } else { - |.if not X64 - | fild ARG1 - | jmp ->fff_resn - |.endif - } - | - |.macro .ffunc_bit_op, name, ins - | .ffunc_bit name, 2 - | mov TMP2, NARGS:RD // Save for fallback. - | lea RD, [BASE+NARGS:RD*8-16] - |1: - | cmp RD, BASE - | jbe ->fff_resbit - | cmp dword [RD+4], LJ_TISNUM - ||if (LJ_DUALNUM) { - | jne >2 - | ins RB, dword [RD] - | sub RD, 8 - | jmp <1 - |2: - | ja ->fff_fallback_bit_op - ||} else { - | jae ->fff_fallback_bit_op - ||} - ||if (sse) { - | movsd xmm0, qword [RD] - | addsd xmm0, xmm1 - | movd RA, xmm0 - | ins RB, RA - ||} else { - |.if not X64 - | fld qword [RD] - | fadd TMP1 - | fstp FPARG1 - | ins RB, ARG1 - |.endif - ||} - | sub RD, 8 - | jmp <1 - |.endmacro - | - |.ffunc_bit_op bit_band, and - |.ffunc_bit_op bit_bor, or - |.ffunc_bit_op bit_bxor, xor - | - |.ffunc_bit bit_bswap, 1 - | bswap RB - | jmp ->fff_resbit - | - |.ffunc_bit bit_bnot, 1 - | not RB - if (LJ_DUALNUM) { - | jmp ->fff_resbit - } else if (sse) { - |->fff_resbit: - | cvtsi2sd xmm0, RB - | jmp ->fff_resxmm0 - } else { - |.if not X64 - |->fff_resbit: - | mov ARG1, RB - | fild ARG1 - | jmp ->fff_resn - |.endif - } - | - |->fff_fallback_bit_op: - | mov NARGS:RD, TMP2 // Restore for fallback - | jmp ->fff_fallback - | - |.macro .ffunc_bit_sh, name, ins - ||if (LJ_DUALNUM) { - | .ffunc_bit name, 1 - | // Note: no inline conversion from number for 2nd argument! - | cmp dword [BASE+12], LJ_TISNUM; jne ->fff_fallback - | mov RA, dword [BASE+8] - ||} else if (sse) { - | .ffunc_nnsse name - | sseconst_tobit xmm2, RBa - | addsd xmm0, xmm2 - | addsd xmm1, xmm2 - | movd RB, xmm0 - | movd RA, xmm1 - ||} else { - |.if not X64 - | .ffunc_nn name - | mov TMP1, TOBIT_BIAS - | fadd TMP1 - | fstp FPARG3 - | fadd TMP1 - | fstp FPARG1 - | mov RA, ARG3 - | mov RB, ARG1 - |.endif - ||} - | ins RB, cl // Assumes RA is ecx. - | jmp ->fff_resbit - |.endmacro - | - |.ffunc_bit_sh bit_lshift, shl - |.ffunc_bit_sh bit_rshift, shr - |.ffunc_bit_sh bit_arshift, sar - |.ffunc_bit_sh bit_rol, rol - |.ffunc_bit_sh bit_ror, ror - | - |//----------------------------------------------------------------------- - | - |->fff_fallback_2: - | mov NARGS:RD, 1+2 // Other args are ignored, anyway. - | jmp ->fff_fallback - |->fff_fallback_1: - | mov NARGS:RD, 1+1 // Other args are ignored, anyway. - |->fff_fallback: // Call fast function fallback handler. - | // BASE = new base, RD = nargs+1 - | mov L:RB, SAVE_L - | mov PC, [BASE-4] // Fallback may overwrite PC. - | mov SAVE_PC, PC // Redundant (but a defined value). - | mov L:RB->base, BASE - | lea RD, [BASE+NARGS:RD*8-8] - | lea RA, [RD+8*LUA_MINSTACK] // Ensure enough space for handler. - | mov L:RB->top, RD - | mov CFUNC:RD, [BASE-8] - | cmp RA, L:RB->maxstack - | ja >5 // Need to grow stack. - |.if X64 - | mov CARG1d, L:RB - |.else - | mov ARG1, L:RB - |.endif - | call aword CFUNC:RD->f // (lua_State *L) - | mov BASE, L:RB->base - | // Either throws an error, or recovers and returns -1, 0 or nresults+1. - | test RD, RD; jg ->fff_res // Returned nresults+1? - |1: - | mov RA, L:RB->top - | sub RA, BASE - | shr RA, 3 - | test RD, RD - | lea NARGS:RD, [RA+1] - | mov LFUNC:RB, [BASE-8] - | jne ->vm_call_tail // Returned -1? - | ins_callt // Returned 0: retry fast path. - | - |// Reconstruct previous base for vmeta_call during tailcall. - |->vm_call_tail: - | mov RA, BASE - | test PC, FRAME_TYPE - | jnz >3 - | movzx RB, PC_RA - | not RBa // Note: ~RB = -(RB+1) - | lea BASE, [BASE+RB*8] // base = base - (RB+1)*8 - | jmp ->vm_call_dispatch // Resolve again for tailcall. - |3: - | mov RB, PC - | and RB, -8 - | sub BASE, RB - | jmp ->vm_call_dispatch // Resolve again for tailcall. - | - |5: // Grow stack for fallback handler. - | mov FCARG2, LUA_MINSTACK - | mov FCARG1, L:RB - | call extern lj_state_growstack@8 // (lua_State *L, int n) - | mov BASE, L:RB->base - | xor RD, RD // Simulate a return 0. - | jmp <1 // Dumb retry (goes through ff first). - | - |->fff_gcstep: // Call GC step function. - | // BASE = new base, RD = nargs+1 - | pop RBa // Must keep stack at same level. - | mov TMPa, RBa // Save return address - | mov L:RB, SAVE_L - | mov SAVE_PC, PC // Redundant (but a defined value). - | mov L:RB->base, BASE - | lea RD, [BASE+NARGS:RD*8-8] - | mov FCARG1, L:RB - | mov L:RB->top, RD - | call extern lj_gc_step@4 // (lua_State *L) - | mov BASE, L:RB->base - | mov RD, L:RB->top - | sub RD, BASE - | shr RD, 3 - | add NARGS:RD, 1 - | mov RBa, TMPa - | push RBa // Restore return address. - | ret - | - |//----------------------------------------------------------------------- - |//-- Special dispatch targets ------------------------------------------- - |//----------------------------------------------------------------------- - | - |->vm_record: // Dispatch target for recording phase. -#if LJ_HASJIT - | movzx RD, byte [DISPATCH+DISPATCH_GL(hookmask)] - | test RDL, HOOK_VMEVENT // No recording while in vmevent. - | jnz >5 - | // Decrement the hookcount for consistency, but always do the call. - | test RDL, HOOK_ACTIVE - | jnz >1 - | test RDL, LUA_MASKLINE|LUA_MASKCOUNT - | jz >1 - | dec dword [DISPATCH+DISPATCH_GL(hookcount)] - | jmp >1 -#endif - | - |->vm_rethook: // Dispatch target for return hooks. - | movzx RD, byte [DISPATCH+DISPATCH_GL(hookmask)] - | test RDL, HOOK_ACTIVE // Hook already active? - | jnz >5 - | jmp >1 - | - |->vm_inshook: // Dispatch target for instr/line hooks. - | movzx RD, byte [DISPATCH+DISPATCH_GL(hookmask)] - | test RDL, HOOK_ACTIVE // Hook already active? - | jnz >5 - | - | test RDL, LUA_MASKLINE|LUA_MASKCOUNT - | jz >5 - | dec dword [DISPATCH+DISPATCH_GL(hookcount)] - | jz >1 - | test RDL, LUA_MASKLINE - | jz >5 - |1: - | mov L:RB, SAVE_L - | mov L:RB->base, BASE - | mov FCARG2, PC // Caveat: FCARG2 == BASE - | mov FCARG1, L:RB - | // SAVE_PC must hold the _previous_ PC. The callee updates it with PC. - | call extern lj_dispatch_ins@8 // (lua_State *L, BCIns *pc) - |3: - | mov BASE, L:RB->base - |4: - | movzx RA, PC_RA - |5: - | movzx OP, PC_OP - | movzx RD, PC_RD - |.if X64 - | jmp aword [DISPATCH+OP*8+GG_DISP2STATIC] // Re-dispatch to static ins. - |.else - | jmp aword [DISPATCH+OP*4+GG_DISP2STATIC] // Re-dispatch to static ins. - |.endif - | - |->cont_hook: // Continue from hook yield. - | add PC, 4 - | mov RA, [RB-24] - | mov MULTRES, RA // Restore MULTRES for *M ins. - | jmp <4 - | - |->vm_hotloop: // Hot loop counter underflow. -#if LJ_HASJIT - | mov LFUNC:RB, [BASE-8] // Same as curr_topL(L). - | mov RB, LFUNC:RB->pc - | movzx RD, byte [RB+PC2PROTO(framesize)] - | lea RD, [BASE+RD*8] - | mov L:RB, SAVE_L - | mov L:RB->base, BASE - | mov L:RB->top, RD - | mov FCARG2, PC - | lea FCARG1, [DISPATCH+GG_DISP2J] - | mov aword [DISPATCH+DISPATCH_J(L)], L:RBa - | mov SAVE_PC, PC - | call extern lj_trace_hot@8 // (jit_State *J, const BCIns *pc) - | jmp <3 -#endif - | - |->vm_callhook: // Dispatch target for call hooks. - | mov SAVE_PC, PC -#if LJ_HASJIT - | jmp >1 -#endif - | - |->vm_hotcall: // Hot call counter underflow. -#if LJ_HASJIT - | mov SAVE_PC, PC - | or PC, 1 // Marker for hot call. - |1: -#endif - | lea RD, [BASE+NARGS:RD*8-8] - | mov L:RB, SAVE_L - | mov L:RB->base, BASE - | mov L:RB->top, RD - | mov FCARG2, PC - | mov FCARG1, L:RB - | call extern lj_dispatch_call@8 // (lua_State *L, const BCIns *pc) - | // ASMFunction returned in eax/rax (RDa). - | mov SAVE_PC, 0 // Invalidate for subsequent line hook. -#if LJ_HASJIT - | and PC, -2 -#endif - | mov BASE, L:RB->base - | mov RAa, RDa - | mov RD, L:RB->top - | sub RD, BASE - | mov RBa, RAa - | movzx RA, PC_RA - | shr RD, 3 - | add NARGS:RD, 1 - | jmp RBa - | - |//----------------------------------------------------------------------- - |//-- Trace exit handler ------------------------------------------------- - |//----------------------------------------------------------------------- - | - |// Called from an exit stub with the exit number on the stack. - |// The 16 bit exit number is stored with two (sign-extended) push imm8. - |->vm_exit_handler: -#if LJ_HASJIT - |.if X64 - | push r13; push r12 - | push r11; push r10; push r9; push r8 - | push rdi; push rsi; push rbp; lea rbp, [rsp+88]; push rbp - | push rbx; push rdx; push rcx; push rax - | movzx RC, byte [rbp-8] // Reconstruct exit number. - | mov RCH, byte [rbp-16] - | mov [rbp-8], r15; mov [rbp-16], r14 - |.else - | push ebp; lea ebp, [esp+12]; push ebp - | push ebx; push edx; push ecx; push eax - | movzx RC, byte [ebp-4] // Reconstruct exit number. - | mov RCH, byte [ebp-8] - | mov [ebp-4], edi; mov [ebp-8], esi - |.endif - | // Caveat: DISPATCH is ebx. - | mov DISPATCH, [ebp] - | mov RA, [DISPATCH+DISPATCH_GL(vmstate)] // Get trace number. - | set_vmstate EXIT - | mov [DISPATCH+DISPATCH_J(exitno)], RC - | mov [DISPATCH+DISPATCH_J(parent)], RA - |.if X64 - |.if X64WIN - | sub rsp, 16*8+4*8 // Room for SSE regs + save area. - |.else - | sub rsp, 16*8 // Room for SSE regs. - |.endif - | add rbp, -128 - | movsd qword [rbp-8], xmm15; movsd qword [rbp-16], xmm14 - | movsd qword [rbp-24], xmm13; movsd qword [rbp-32], xmm12 - | movsd qword [rbp-40], xmm11; movsd qword [rbp-48], xmm10 - | movsd qword [rbp-56], xmm9; movsd qword [rbp-64], xmm8 - | movsd qword [rbp-72], xmm7; movsd qword [rbp-80], xmm6 - | movsd qword [rbp-88], xmm5; movsd qword [rbp-96], xmm4 - | movsd qword [rbp-104], xmm3; movsd qword [rbp-112], xmm2 - | movsd qword [rbp-120], xmm1; movsd qword [rbp-128], xmm0 - |.else - | sub esp, 8*8+16 // Room for SSE regs + args. - | movsd qword [ebp-40], xmm7; movsd qword [ebp-48], xmm6 - | movsd qword [ebp-56], xmm5; movsd qword [ebp-64], xmm4 - | movsd qword [ebp-72], xmm3; movsd qword [ebp-80], xmm2 - | movsd qword [ebp-88], xmm1; movsd qword [ebp-96], xmm0 - |.endif - | // Caveat: RB is ebp. - | mov L:RB, [DISPATCH+DISPATCH_GL(jit_L)] - | mov BASE, [DISPATCH+DISPATCH_GL(jit_base)] - | mov aword [DISPATCH+DISPATCH_J(L)], L:RBa - | mov dword [DISPATCH+DISPATCH_GL(jit_L)], 0 - | mov L:RB->base, BASE - |.if X64WIN - | lea CARG2, [rsp+4*8] - |.elif X64 - | mov CARG2, rsp - |.else - | lea FCARG2, [esp+16] - |.endif - | lea FCARG1, [DISPATCH+GG_DISP2J] - | call extern lj_trace_exit@8 // (jit_State *J, ExitState *ex) - | // MULTRES or negated error code returned in eax (RD). - | mov RAa, L:RB->cframe - | and RAa, CFRAME_RAWMASK - |.if X64WIN - | // Reposition stack later. - |.elif X64 - | mov rsp, RAa // Reposition stack to C frame. - |.else - | mov esp, RAa // Reposition stack to C frame. - |.endif - | mov [RAa+CFRAME_OFS_L], L:RB // Set SAVE_L (on-trace resume/yield). - | mov BASE, L:RB->base - | mov PC, [RAa+CFRAME_OFS_PC] // Get SAVE_PC. - |.if X64 - | jmp >1 - |.endif -#endif - |->vm_exit_interp: - | // RD = MULTRES or negated error code, BASE, PC and DISPATCH set. -#if LJ_HASJIT - |.if X64 - | // Restore additional callee-save registers only used in compiled code. - |.if X64WIN - | lea RAa, [rsp+9*16+4*8] - |1: - | movdqa xmm15, [RAa-9*16] - | movdqa xmm14, [RAa-8*16] - | movdqa xmm13, [RAa-7*16] - | movdqa xmm12, [RAa-6*16] - | movdqa xmm11, [RAa-5*16] - | movdqa xmm10, [RAa-4*16] - | movdqa xmm9, [RAa-3*16] - | movdqa xmm8, [RAa-2*16] - | movdqa xmm7, [RAa-1*16] - | mov rsp, RAa // Reposition stack to C frame. - | movdqa xmm6, [RAa] - | mov r15, CSAVE_3 - | mov r14, CSAVE_4 - |.else - | add rsp, 16 // Reposition stack to C frame. - |1: - |.endif - | mov r13, TMPa - | mov r12, TMPQ - |.endif - | test RD, RD; js >3 // Check for error from exit. - | mov MULTRES, RD - | mov LFUNC:KBASE, [BASE-8] - | mov KBASE, LFUNC:KBASE->pc - | mov KBASE, [KBASE+PC2PROTO(k)] - | mov dword [DISPATCH+DISPATCH_GL(jit_L)], 0 - | set_vmstate INTERP - | // Modified copy of ins_next which handles function header dispatch, too. - | mov RC, [PC] - | movzx RA, RCH - | movzx OP, RCL - | add PC, 4 - | shr RC, 16 - | cmp OP, BC_FUNCF // Function header? - | jb >2 - | mov RC, MULTRES // RC/RD holds nres+1. - |2: - |.if X64 - | jmp aword [DISPATCH+OP*8] - |.else - | jmp aword [DISPATCH+OP*4] - |.endif - | - |3: // Rethrow error from the right C frame. - | neg RD - | mov FCARG1, L:RB - | mov FCARG2, RD - | call extern lj_err_throw@8 // (lua_State *L, int errcode) -#endif - | - |//----------------------------------------------------------------------- - |//-- Math helper functions ---------------------------------------------- - |//----------------------------------------------------------------------- - | - |// FP value rounding. Called by math.floor/math.ceil fast functions - |// and from JIT code. - | - |// x87 variant: Arg/ret on x87 stack. No int/xmm registers modified. - |.macro vm_round_x87, mode1, mode2 - | fnstcw word [esp+4] // Caveat: overwrites ARG1 and ARG2. - | mov [esp+8], eax - | mov ax, mode1 - | or ax, [esp+4] - |.if mode2 ~= 0xffff - | and ax, mode2 - |.endif - | mov [esp+6], ax - | fldcw word [esp+6] - | frndint - | fldcw word [esp+4] - | mov eax, [esp+8] - | ret - |.endmacro - | - |// SSE variant: arg/ret is xmm0. xmm0-xmm3 and RD (eax) modified. - |.macro vm_round_sse, mode - | sseconst_abs xmm2, RDa - | sseconst_2p52 xmm3, RDa - | movaps xmm1, xmm0 - | andpd xmm1, xmm2 // |x| - | ucomisd xmm3, xmm1 // No truncation if 2^52 <= |x|. - | jbe >1 - | andnpd xmm2, xmm0 // Isolate sign bit. - |.if mode == 2 // trunc(x)? - | movaps xmm0, xmm1 - | addsd xmm1, xmm3 // (|x| + 2^52) - 2^52 - | subsd xmm1, xmm3 - | sseconst_1 xmm3, RDa - | cmpsd xmm0, xmm1, 1 // |x| < result? - | andpd xmm0, xmm3 - | subsd xmm1, xmm0 // If yes, subtract -1. - | orpd xmm1, xmm2 // Merge sign bit back in. - |.else - | addsd xmm1, xmm3 // (|x| + 2^52) - 2^52 - | subsd xmm1, xmm3 - | orpd xmm1, xmm2 // Merge sign bit back in. - | .if mode == 1 // ceil(x)? - | sseconst_m1 xmm2, RDa // Must subtract -1 to preserve -0. - | cmpsd xmm0, xmm1, 6 // x > result? - | .else // floor(x)? - | sseconst_1 xmm2, RDa - | cmpsd xmm0, xmm1, 1 // x < result? - | .endif - | andpd xmm0, xmm2 - | subsd xmm1, xmm0 // If yes, subtract +-1. - |.endif - | movaps xmm0, xmm1 - |1: - | ret - |.endmacro - | - |.macro vm_round, name, ssemode, mode1, mode2 - |->name: - ||if (!sse) { - | vm_round_x87 mode1, mode2 - ||} - |->name .. _sse: - | vm_round_sse ssemode - |.endmacro - | - | vm_round vm_floor, 0, 0x0400, 0xf7ff - | vm_round vm_ceil, 1, 0x0800, 0xfbff - | vm_round vm_trunc, 2, 0x0c00, 0xffff - | - |// FP modulo x%y. Called by BC_MOD* and vm_arith. - |->vm_mod: - if (sse) { - |// Args in xmm0/xmm1, return value in xmm0. - |// Caveat: xmm0-xmm5 and RC (eax) modified! - | movaps xmm5, xmm0 - | divsd xmm0, xmm1 - | sseconst_abs xmm2, RDa - | sseconst_2p52 xmm3, RDa - | movaps xmm4, xmm0 - | andpd xmm4, xmm2 // |x/y| - | ucomisd xmm3, xmm4 // No truncation if 2^52 <= |x/y|. - | jbe >1 - | andnpd xmm2, xmm0 // Isolate sign bit. - | addsd xmm4, xmm3 // (|x/y| + 2^52) - 2^52 - | subsd xmm4, xmm3 - | orpd xmm4, xmm2 // Merge sign bit back in. - | sseconst_1 xmm2, RDa - | cmpsd xmm0, xmm4, 1 // x/y < result? - | andpd xmm0, xmm2 - | subsd xmm4, xmm0 // If yes, subtract 1.0. - | movaps xmm0, xmm5 - | mulsd xmm1, xmm4 - | subsd xmm0, xmm1 - | ret - |1: - | mulsd xmm1, xmm0 - | movaps xmm0, xmm5 - | subsd xmm0, xmm1 - | ret - } else { - |// Args/ret on x87 stack (y on top). No xmm registers modified. - |// Caveat: needs 3 slots on x87 stack! RC (eax) modified! - | fld st1 - | fdiv st1 - | fnstcw word [esp+4] - | mov ax, 0x0400 - | or ax, [esp+4] - | and ax, 0xf7ff - | mov [esp+6], ax - | fldcw word [esp+6] - | frndint - | fldcw word [esp+4] - | fmulp st1 - | fsubp st1 - | ret - } - | - |// FP exponentiation e^x and 2^x. Called by math.exp fast function and - |// from JIT code. Arg/ret on x87 stack. No int/xmm regs modified. - |// Caveat: needs 3 slots on x87 stack! - |->vm_exp_x87: - | fldl2e; fmulp st1 // e^x ==> 2^(x*log2(e)) - |->vm_exp2_x87: - | .if X64WIN - | .define expscratch, dword [rsp+8] // Use scratch area. - | .elif X64 - | .define expscratch, dword [rsp-8] // Use red zone. - | .else - | .define expscratch, dword [esp+4] // Needs 4 byte scratch area. - | .endif - | fst expscratch // Caveat: overwrites ARG1. - | cmp expscratch, 0x7f800000; je >1 // Special case: e^+Inf = +Inf - | cmp expscratch, 0xff800000; je >2 // Special case: e^-Inf = 0 - |->vm_exp2raw: // Entry point for vm_pow. Without +-Inf check. - | fdup; frndint; fsub st1, st0; fxch // Split into frac/int part. - | f2xm1; fld1; faddp st1; fscale; fpop1 // ==> (2^frac-1 +1) << int - |1: - | ret - |2: - | fpop; fldz; ret - | - |// Generic power function x^y. Called by BC_POW, math.pow fast function, - |// and vm_arith. - if (!sse) { - |.if not X64 - |// Args/ret on x87 stack (y on top). RC (eax) modified. - |// Caveat: needs 3 slots on x87 stack! - |->vm_pow: - | fist dword [esp+4] // Store/reload int before comparison. - | fild dword [esp+4] // Integral exponent used in vm_powi. - ||if (cmov) { - | fucomip st1 - ||} else { - | fucomp st1; fnstsw ax; sahf - ||} - | jnz >8 // Branch for FP exponents. - | jp >9 // Branch for NaN exponent. - | fpop // Pop y and fallthrough to vm_powi. - | - |// FP/int power function x^i. Arg1/ret on x87 stack. - |// Arg2 (int) on C stack. RC (eax) modified. - |// Caveat: needs 2 slots on x87 stack! - | mov eax, [esp+4] - | cmp eax, 1; jle >6 // i<=1? - | // Now 1 < (unsigned)i <= 0x80000000. - |1: // Handle leading zeros. - | test eax, 1; jnz >2 - | fmul st0 - | shr eax, 1 - | jmp <1 - |2: - | shr eax, 1; jz >5 - | fdup - |3: // Handle trailing bits. - | fmul st0 - | shr eax, 1; jz >4 - | jnc <3 - | fmul st1, st0 - | jmp <3 - |4: - | fmulp st1 - |5: - | ret - |6: - | je <5 // x^1 ==> x - | jb >7 - | fld1; fdivrp st1 - | neg eax - | cmp eax, 1; je <5 // x^-1 ==> 1/x - | jmp <1 // x^-i ==> (1/x)^i - |7: - | fpop; fld1 // x^0 ==> 1 - | ret - | - |8: // FP/FP power function x^y. - | fst dword [esp+4] - | fxch - | fst dword [esp+8] - | mov eax, [esp+4]; shl eax, 1 - | cmp eax, 0xff000000; je >2 // x^+-Inf? - | mov eax, [esp+8]; shl eax, 1; je >4 // +-0^y? - | cmp eax, 0xff000000; je >4 // +-Inf^y? - | fyl2x - | jmp ->vm_exp2raw - | - |9: // Handle x^NaN. - | fld1 - ||if (cmov) { - | fucomip st2 - ||} else { - | fucomp st2; fnstsw ax; sahf - ||} - | je >1 // 1^NaN ==> 1 - | fxch // x^NaN ==> NaN - |1: - | fpop - | ret - | - |2: // Handle x^+-Inf. - | fabs - | fld1 - ||if (cmov) { - | fucomip st1 - ||} else { - | fucomp st1; fnstsw ax; sahf - ||} - | je >3 // +-1^+-Inf ==> 1 - | fpop; fabs; fldz; mov eax, 0; setc al - | ror eax, 1; xor eax, [esp+4]; jns >3 // |x|<>1, x^+-Inf ==> +Inf/0 - | fxch - |3: - | fpop1; fabs - | ret - | - |4: // Handle +-0^y or +-Inf^y. - | cmp dword [esp+4], 0; jge <3 // y >= 0, x^y ==> |x| - | fpop; fpop - | test eax, eax; jz >5 // y < 0, +-0^y ==> +Inf - | fldz // y < 0, +-Inf^y ==> 0 - | ret - |5: - | mov dword [esp+4], 0x7f800000 // Return +Inf. - | fld dword [esp+4] - | ret - |.endif - } else { - |->vm_pow: - } - | - |// Args in xmm0/xmm1. Ret in xmm0. xmm0-xmm2 and RC (eax) modified. - |// Needs 16 byte scratch area for x86. Also called from JIT code. - |->vm_pow_sse: - | cvtsd2si eax, xmm1 - | cvtsi2sd xmm2, eax - | ucomisd xmm1, xmm2 - | jnz >8 // Branch for FP exponents. - | jp >9 // Branch for NaN exponent. - | // Fallthrough to vm_powi_sse. - | - |// Args in xmm0/eax. Ret in xmm0. xmm0-xmm1 and eax modified. - |->vm_powi_sse: - | cmp eax, 1; jle >6 // i<=1? - | // Now 1 < (unsigned)i <= 0x80000000. - |1: // Handle leading zeros. - | test eax, 1; jnz >2 - | mulsd xmm0, xmm0 - | shr eax, 1 - | jmp <1 - |2: - | shr eax, 1; jz >5 - | movaps xmm1, xmm0 - |3: // Handle trailing bits. - | mulsd xmm0, xmm0 - | shr eax, 1; jz >4 - | jnc <3 - | mulsd xmm1, xmm0 - | jmp <3 - |4: - | mulsd xmm0, xmm1 - |5: - | ret - |6: - | je <5 // x^1 ==> x - | jb >7 // x^0 ==> 1 - | neg eax - | call <1 - | sseconst_1 xmm1, RDa - | divsd xmm1, xmm0 - | movaps xmm0, xmm1 - | ret - |7: - | sseconst_1 xmm0, RDa - | ret - | - |8: // FP/FP power function x^y. - |.if X64 - | movd rax, xmm1; shl rax, 1 - | rol rax, 12; cmp rax, 0xffe; je >2 // x^+-Inf? - | movd rax, xmm0; shl rax, 1; je >4 // +-0^y? - | rol rax, 12; cmp rax, 0xffe; je >5 // +-Inf^y? - | .if X64WIN - | movsd qword [rsp+16], xmm1 // Use scratch area. - | movsd qword [rsp+8], xmm0 - | fld qword [rsp+16] - | fld qword [rsp+8] - | .else - | movsd qword [rsp-16], xmm1 // Use red zone. - | movsd qword [rsp-8], xmm0 - | fld qword [rsp-16] - | fld qword [rsp-8] - | .endif - |.else - | movsd qword [esp+12], xmm1 // Needs 16 byte scratch area. - | movsd qword [esp+4], xmm0 - | cmp dword [esp+12], 0; jne >1 - | mov eax, [esp+16]; shl eax, 1 - | cmp eax, 0xffe00000; je >2 // x^+-Inf? - |1: - | cmp dword [esp+4], 0; jne >1 - | mov eax, [esp+8]; shl eax, 1; je >4 // +-0^y? - | cmp eax, 0xffe00000; je >5 // +-Inf^y? - |1: - | fld qword [esp+12] - | fld qword [esp+4] - |.endif - | fyl2x // y*log2(x) - | fdup; frndint; fsub st1, st0; fxch // Split into frac/int part. - | f2xm1; fld1; faddp st1; fscale; fpop1 // ==> (2^frac-1 +1) << int - |.if X64WIN - | fstp qword [rsp+8] // Use scratch area. - | movsd xmm0, qword [rsp+8] - |.elif X64 - | fstp qword [rsp-8] // Use red zone. - | movsd xmm0, qword [rsp-8] - |.else - | fstp qword [esp+4] // Needs 8 byte scratch area. - | movsd xmm0, qword [esp+4] - |.endif - | ret - | - |9: // Handle x^NaN. - | sseconst_1 xmm2, RDa - | ucomisd xmm0, xmm2; je >1 // 1^NaN ==> 1 - | movaps xmm0, xmm1 // x^NaN ==> NaN - |1: - | ret - | - |2: // Handle x^+-Inf. - | sseconst_abs xmm2, RDa - | andpd xmm0, xmm2 // |x| - | sseconst_1 xmm2, RDa - | ucomisd xmm0, xmm2; je <1 // +-1^+-Inf ==> 1 - | movmskpd eax, xmm1 - | xorps xmm0, xmm0 - | mov ah, al; setc al; xor al, ah; jne <1 // |x|<>1, x^+-Inf ==> +Inf/0 - |3: - | sseconst_hi xmm0, RDa, 7ff00000 // +Inf - | ret - | - |4: // Handle +-0^y. - | movmskpd eax, xmm1; test eax, eax; jnz <3 // y < 0, +-0^y ==> +Inf - | xorps xmm0, xmm0 // y >= 0, +-0^y ==> 0 - | ret - | - |5: // Handle +-Inf^y. - | movmskpd eax, xmm1; test eax, eax; jz <3 // y >= 0, +-Inf^y ==> +Inf - | xorps xmm0, xmm0 // y < 0, +-Inf^y ==> 0 - | ret - | - |// Callable from C: double lj_vm_foldfpm(double x, int fpm) - |// Computes fpm(x) for extended math functions. ORDER FPM. - |->vm_foldfpm: -#if LJ_HASJIT - if (sse) { - |.if X64 - | - | .if X64WIN - | .define fpmop, CARG2d - | .else - | .define fpmop, CARG1d - | .endif - | cmp fpmop, 1; jb ->vm_floor; je ->vm_ceil - | cmp fpmop, 3; jb ->vm_trunc; ja >2 - | sqrtsd xmm0, xmm0; ret - |2: - | .if X64WIN - | movsd qword [rsp+8], xmm0 // Use scratch area. - | fld qword [rsp+8] - | .else - | movsd qword [rsp-8], xmm0 // Use red zone. - | fld qword [rsp-8] - | .endif - | cmp fpmop, 5; ja >2 - | .if X64WIN; pop rax; .endif - | je >1 - | call ->vm_exp_x87 - | .if X64WIN; push rax; .endif - | jmp >7 - |1: - | call ->vm_exp2_x87 - | .if X64WIN; push rax; .endif - | jmp >7 - |2: ; cmp fpmop, 7; je >1; ja >2 - | fldln2; fxch; fyl2x; jmp >7 - |1: ; fld1; fxch; fyl2x; jmp >7 - |2: ; cmp fpmop, 9; je >1; ja >2 - | fldlg2; fxch; fyl2x; jmp >7 - |1: ; fsin; jmp >7 - |2: ; cmp fpmop, 11; je >1; ja >9 - | fcos; jmp >7 - |1: ; fptan; fpop - |7: - | .if X64WIN - | fstp qword [rsp+8] // Use scratch area. - | movsd xmm0, qword [rsp+8] - | .else - | fstp qword [rsp-8] // Use red zone. - | movsd xmm0, qword [rsp-8] - | .endif - | ret - | - |.else // x86 calling convention. - | - | .define fpmop, eax - | mov fpmop, [esp+12] - | movsd xmm0, qword [esp+4] - | cmp fpmop, 1; je >1; ja >2 - | call ->vm_floor; jmp >7 - |1: ; call ->vm_ceil; jmp >7 - |2: ; cmp fpmop, 3; je >1; ja >2 - | call ->vm_trunc; jmp >7 - |1: - | sqrtsd xmm0, xmm0 - |7: - | movsd qword [esp+4], xmm0 // Overwrite callee-owned args. - | fld qword [esp+4] - | ret - |2: ; fld qword [esp+4] - | cmp fpmop, 5; jb ->vm_exp_x87; je ->vm_exp2_x87 - |2: ; cmp fpmop, 7; je >1; ja >2 - | fldln2; fxch; fyl2x; ret - |1: ; fld1; fxch; fyl2x; ret - |2: ; cmp fpmop, 9; je >1; ja >2 - | fldlg2; fxch; fyl2x; ret - |1: ; fsin; ret - |2: ; cmp fpmop, 11; je >1; ja >9 - | fcos; ret - |1: ; fptan; fpop; ret - | - |.endif - } else { - | mov fpmop, [esp+12] - | fld qword [esp+4] - | cmp fpmop, 1; jb ->vm_floor; je ->vm_ceil - | cmp fpmop, 3; jb ->vm_trunc; ja >2 - | fsqrt; ret - |2: ; cmp fpmop, 5; jb ->vm_exp_x87; je ->vm_exp2_x87 - | cmp fpmop, 7; je >1; ja >2 - | fldln2; fxch; fyl2x; ret - |1: ; fld1; fxch; fyl2x; ret - |2: ; cmp fpmop, 9; je >1; ja >2 - | fldlg2; fxch; fyl2x; ret - |1: ; fsin; ret - |2: ; cmp fpmop, 11; je >1; ja >9 - | fcos; ret - |1: ; fptan; fpop; ret - } - |9: ; int3 // Bad fpm. -#endif - | - |// Callable from C: double lj_vm_foldarith(double x, double y, int op) - |// Compute x op y for basic arithmetic operators (+ - * / % ^ and unary -) - |// and basic math functions. ORDER ARITH - |->vm_foldarith: - if (sse) { - |.if X64 - | - | .if X64WIN - | .define foldop, CARG3d - | .else - | .define foldop, CARG1d - | .endif - | cmp foldop, 1; je >1; ja >2 - | addsd xmm0, xmm1; ret - |1: ; subsd xmm0, xmm1; ret - |2: ; cmp foldop, 3; je >1; ja >2 - | mulsd xmm0, xmm1; ret - |1: ; divsd xmm0, xmm1; ret - |2: ; cmp foldop, 5; jb ->vm_mod; je ->vm_pow - | cmp foldop, 7; je >1; ja >2 - | sseconst_sign xmm1, RDa; xorps xmm0, xmm1; ret - |1: ; sseconst_abs xmm1, RDa; andps xmm0, xmm1; ret - |2: ; cmp foldop, 9; ja >2 - |.if X64WIN - | movsd qword [rsp+8], xmm0 // Use scratch area. - | movsd qword [rsp+16], xmm1 - | fld qword [rsp+8] - | fld qword [rsp+16] - |.else - | movsd qword [rsp-8], xmm0 // Use red zone. - | movsd qword [rsp-16], xmm1 - | fld qword [rsp-8] - | fld qword [rsp-16] - |.endif - | je >1 - | fpatan - |7: - |.if X64WIN - | fstp qword [rsp+8] // Use scratch area. - | movsd xmm0, qword [rsp+8] - |.else - | fstp qword [rsp-8] // Use red zone. - | movsd xmm0, qword [rsp-8] - |.endif - | ret - |1: ; fxch; fscale; fpop1; jmp <7 - |2: ; cmp foldop, 11; je >1; ja >9 - | minsd xmm0, xmm1; ret - |1: ; maxsd xmm0, xmm1; ret - |9: ; int3 // Bad op. - | - |.else // x86 calling convention. - | - | .define foldop, eax - | mov foldop, [esp+20] - | movsd xmm0, qword [esp+4] - | movsd xmm1, qword [esp+12] - | cmp foldop, 1; je >1; ja >2 - | addsd xmm0, xmm1 - |7: - | movsd qword [esp+4], xmm0 // Overwrite callee-owned args. - | fld qword [esp+4] - | ret - |1: ; subsd xmm0, xmm1; jmp <7 - |2: ; cmp foldop, 3; je >1; ja >2 - | mulsd xmm0, xmm1; jmp <7 - |1: ; divsd xmm0, xmm1; jmp <7 - |2: ; cmp foldop, 5 - | je >1; ja >2 - | call ->vm_mod; jmp <7 - |1: ; pop edx; call ->vm_pow; push edx; jmp <7 // Writes to scratch area. - |2: ; cmp foldop, 7; je >1; ja >2 - | sseconst_sign xmm1, RDa; xorps xmm0, xmm1; jmp <7 - |1: ; sseconst_abs xmm1, RDa; andps xmm0, xmm1; jmp <7 - |2: ; cmp foldop, 9; ja >2 - | fld qword [esp+4] // Reload from stack - | fld qword [esp+12] - | je >1 - | fpatan; ret - |1: ; fxch; fscale; fpop1; ret - |2: ; cmp foldop, 11; je >1; ja >9 - | minsd xmm0, xmm1; jmp <7 - |1: ; maxsd xmm0, xmm1; jmp <7 - |9: ; int3 // Bad op. - | - |.endif - } else { - | mov eax, [esp+20] - | fld qword [esp+4] - | fld qword [esp+12] - | cmp eax, 1; je >1; ja >2 - | faddp st1; ret - |1: ; fsubp st1; ret - |2: ; cmp eax, 3; je >1; ja >2 - | fmulp st1; ret - |1: ; fdivp st1; ret - |2: ; cmp eax, 5; jb ->vm_mod; je ->vm_pow - | cmp eax, 7; je >1; ja >2 - | fpop; fchs; ret - |1: ; fpop; fabs; ret - |2: ; cmp eax, 9; je >1; ja >2 - | fpatan; ret - |1: ; fxch; fscale; fpop1; ret - |2: ; cmp eax, 11; je >1; ja >9 - ||if (cmov) { - | fucomi st1; fcmovnbe st1; fpop1; ret - |1: ; fucomi st1; fcmovbe st1; fpop1; ret - ||} else { - | fucom st1; fnstsw ax; test ah, 1; jz >2; fxch; 2: ; fpop; ret - |1: ; fucom st1; fnstsw ax; test ah, 1; jnz >2; fxch; 2: ; fpop; ret - ||} - |9: ; int3 // Bad op. - } - | - |//----------------------------------------------------------------------- - |//-- Miscellaneous functions -------------------------------------------- - |//----------------------------------------------------------------------- - | - |// int lj_vm_cpuid(uint32_t f, uint32_t res[4]) - |->vm_cpuid: - |.if X64 - | mov eax, CARG1d - | .if X64WIN; push rsi; mov rsi, CARG2; .endif - | push rbx - | cpuid - | mov [rsi], eax - | mov [rsi+4], ebx - | mov [rsi+8], ecx - | mov [rsi+12], edx - | pop rbx - | .if X64WIN; pop rsi; .endif - | ret - |.else - | pushfd - | pop edx - | mov ecx, edx - | xor edx, 0x00200000 // Toggle ID bit in flags. - | push edx - | popfd - | pushfd - | pop edx - | xor eax, eax // Zero means no features supported. - | cmp ecx, edx - | jz >1 // No ID toggle means no CPUID support. - | mov eax, [esp+4] // Argument 1 is function number. - | push edi - | push ebx - | cpuid - | mov edi, [esp+16] // Argument 2 is result area. - | mov [edi], eax - | mov [edi+4], ebx - | mov [edi+8], ecx - | mov [edi+12], edx - | pop ebx - | pop edi - |1: - | ret - |.endif - | - |//----------------------------------------------------------------------- - |//-- Assertions --------------------------------------------------------- - |//----------------------------------------------------------------------- - | - |->assert_bad_for_arg_type: -#ifdef LUA_USE_ASSERT - | int3 -#endif - | int3 - | - |//----------------------------------------------------------------------- - |//-- FFI helper functions ----------------------------------------------- - |//----------------------------------------------------------------------- - | - |// Handler for callback functions. Callback slot number in ah/al. - |->vm_ffi_callback: -#if LJ_HASFFI - |.type CTSTATE, CTState, PC - |.if not X64 - | sub esp, 16 // Leave room for SAVE_ERRF etc. - |.endif - | saveregs_ // ebp/rbp already saved. ebp now holds global_State *. - | lea DISPATCH, [ebp+GG_G2DISP] - | mov CTSTATE, GL:ebp->ctype_state - | movzx eax, ax - | mov CTSTATE->cb.slot, eax - |.if X64 - | mov CTSTATE->cb.gpr[0], CARG1 - | mov CTSTATE->cb.gpr[1], CARG2 - | mov CTSTATE->cb.gpr[2], CARG3 - | mov CTSTATE->cb.gpr[3], CARG4 - | movsd qword CTSTATE->cb.fpr[0], xmm0 - | movsd qword CTSTATE->cb.fpr[1], xmm1 - | movsd qword CTSTATE->cb.fpr[2], xmm2 - | movsd qword CTSTATE->cb.fpr[3], xmm3 - |.if X64WIN - | lea rax, [rsp+CFRAME_SIZE+4*8] - |.else - | lea rax, [rsp+CFRAME_SIZE] - | mov CTSTATE->cb.gpr[4], CARG5 - | mov CTSTATE->cb.gpr[5], CARG6 - | movsd qword CTSTATE->cb.fpr[4], xmm4 - | movsd qword CTSTATE->cb.fpr[5], xmm5 - | movsd qword CTSTATE->cb.fpr[6], xmm6 - | movsd qword CTSTATE->cb.fpr[7], xmm7 - |.endif - | mov CTSTATE->cb.stack, rax - | mov CARG2, rsp - |.else - | lea eax, [esp+CFRAME_SIZE+16] - | mov CTSTATE->cb.gpr[0], FCARG1 - | mov CTSTATE->cb.gpr[1], FCARG2 - | mov CTSTATE->cb.stack, eax - | mov FCARG1, [esp+CFRAME_SIZE+12] // Move around misplaced retaddr/ebp. - | mov FCARG2, [esp+CFRAME_SIZE+8] - | mov SAVE_RET, FCARG1 - | mov SAVE_R4, FCARG2 - | mov FCARG2, esp - |.endif - | mov SAVE_PC, CTSTATE // Any value outside of bytecode is ok. - | mov FCARG1, CTSTATE - | call extern lj_ccallback_enter@8 // (CTState *cts, void *cf) - | // lua_State * returned in eax (RD). - | set_vmstate INTERP - | mov BASE, L:RD->base - | mov RD, L:RD->top - | sub RD, BASE - | mov LFUNC:RB, [BASE-8] - | shr RD, 3 - | add RD, 1 - | ins_callt -#endif - | - |->cont_ffi_callback: // Return from FFI callback. -#if LJ_HASFFI - | mov L:RA, SAVE_L - | mov CTSTATE, [DISPATCH+DISPATCH_GL(ctype_state)] - | mov aword CTSTATE->L, L:RAa - | mov L:RA->base, BASE - | mov L:RA->top, RB - | mov FCARG1, CTSTATE - | mov FCARG2, RC - | call extern lj_ccallback_leave@8 // (CTState *cts, TValue *o) - |.if X64 - | mov rax, CTSTATE->cb.gpr[0] - | movsd xmm0, qword CTSTATE->cb.fpr[0] - | jmp ->vm_leave_unw - |.else - | mov L:RB, SAVE_L - | mov eax, CTSTATE->cb.gpr[0] - | mov edx, CTSTATE->cb.gpr[1] - | cmp dword CTSTATE->cb.gpr[2], 1 - | jb >7 - | je >6 - | fld qword CTSTATE->cb.fpr[0].d - | jmp >7 - |6: - | fld dword CTSTATE->cb.fpr[0].f - |7: - | mov ecx, L:RB->top - | movzx ecx, word [ecx+6] // Get stack adjustment and copy up. - | mov SAVE_L, ecx // Must be one slot above SAVE_RET - | restoreregs - | pop ecx // Move return addr from SAVE_RET. - | add esp, [esp] // Adjust stack. - | add esp, 16 - | push ecx - | ret - |.endif -#endif - | - |->vm_ffi_call@4: // Call C function via FFI. - | // Caveat: needs special frame unwinding, see below. -#if LJ_HASFFI - |.if X64 - | .type CCSTATE, CCallState, rbx - | push rbp; mov rbp, rsp; push rbx; mov CCSTATE, CARG1 - |.else - | .type CCSTATE, CCallState, ebx - | push ebp; mov ebp, esp; push ebx; mov CCSTATE, FCARG1 - |.endif - | - | // Readjust stack. - |.if X64 - | mov eax, CCSTATE->spadj - | sub rsp, rax - |.else - | sub esp, CCSTATE->spadj -#if LJ_TARGET_WINDOWS - | mov CCSTATE->spadj, esp -#endif - |.endif - | - | // Copy stack slots. - | movzx ecx, byte CCSTATE->nsp - | sub ecx, 1 - | js >2 - |1: - |.if X64 - | mov rax, [CCSTATE+rcx*8+offsetof(CCallState, stack)] - | mov [rsp+rcx*8+CCALL_SPS_EXTRA*8], rax - |.else - | mov eax, [CCSTATE+ecx*4+offsetof(CCallState, stack)] - | mov [esp+ecx*4], eax - |.endif - | sub ecx, 1 - | jns <1 - |2: - | - |.if X64 - | movzx eax, byte CCSTATE->nfpr - | mov CARG1, CCSTATE->gpr[0] - | mov CARG2, CCSTATE->gpr[1] - | mov CARG3, CCSTATE->gpr[2] - | mov CARG4, CCSTATE->gpr[3] - |.if not X64WIN - | mov CARG5, CCSTATE->gpr[4] - | mov CARG6, CCSTATE->gpr[5] - |.endif - | test eax, eax; jz >5 - | movaps xmm0, CCSTATE->fpr[0] - | movaps xmm1, CCSTATE->fpr[1] - | movaps xmm2, CCSTATE->fpr[2] - | movaps xmm3, CCSTATE->fpr[3] - |.if not X64WIN - | cmp eax, 4; jbe >5 - | movaps xmm4, CCSTATE->fpr[4] - | movaps xmm5, CCSTATE->fpr[5] - | movaps xmm6, CCSTATE->fpr[6] - | movaps xmm7, CCSTATE->fpr[7] - |.endif - |5: - |.else - | mov FCARG1, CCSTATE->gpr[0] - | mov FCARG2, CCSTATE->gpr[1] - |.endif - | - | call aword CCSTATE->func - | - |.if X64 - | mov CCSTATE->gpr[0], rax - | movaps CCSTATE->fpr[0], xmm0 - |.if not X64WIN - | mov CCSTATE->gpr[1], rdx - | movaps CCSTATE->fpr[1], xmm1 - |.endif - |.else - | mov CCSTATE->gpr[0], eax - | mov CCSTATE->gpr[1], edx - | cmp byte CCSTATE->resx87, 1 - | jb >7 - | je >6 - | fstp qword CCSTATE->fpr[0].d[0] - | jmp >7 - |6: - | fstp dword CCSTATE->fpr[0].f[0] - |7: -#if LJ_TARGET_WINDOWS - | sub CCSTATE->spadj, esp -#endif - |.endif - | - |.if X64 - | mov rbx, [rbp-8]; leave; ret - |.else - | mov ebx, [ebp-4]; leave; ret - |.endif -#endif - |// Note: vm_ffi_call must be the last function in this object file! - | - |//----------------------------------------------------------------------- -} - -/* Generate the code for a single instruction. */ -static void build_ins(BuildCtx *ctx, BCOp op, int defop, int cmov, int sse) -{ - int vk = 0; - |// Note: aligning all instructions does not pay off. - |=>defop: - - switch (op) { - - /* -- Comparison ops ---------------------------------------------------- */ - - /* Remember: all ops branch for a true comparison, fall through otherwise. */ - - |.macro jmp_comp, lt, ge, le, gt, target - ||switch (op) { - ||case BC_ISLT: - | lt target - ||break; - ||case BC_ISGE: - | ge target - ||break; - ||case BC_ISLE: - | le target - ||break; - ||case BC_ISGT: - | gt target - ||break; - ||default: break; /* Shut up GCC. */ - ||} - |.endmacro - - case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: - | // RA = src1, RD = src2, JMP with RD = target - | ins_AD - if (LJ_DUALNUM) { - | checkint RA, >7 - | checkint RD, >8 - | mov RB, dword [BASE+RA*8] - | add PC, 4 - | cmp RB, dword [BASE+RD*8] - | jmp_comp jge, jl, jg, jle, >9 - |6: - | movzx RD, PC_RD - | branchPC RD - |9: - | ins_next - | - |7: // RA is not an integer. - | ja ->vmeta_comp - | // RA is a number. - | cmp dword [BASE+RD*8+4], LJ_TISNUM; jb >1; jne ->vmeta_comp - | // RA is a number, RD is an integer. - if (sse) { - | cvtsi2sd xmm0, dword [BASE+RD*8] - | jmp >2 - } else { - | fld qword [BASE+RA*8] - | fild dword [BASE+RD*8] - | jmp >3 - } - | - |8: // RA is an integer, RD is not an integer. - | ja ->vmeta_comp - | // RA is an integer, RD is a number. - if (sse) { - | cvtsi2sd xmm1, dword [BASE+RA*8] - | movsd xmm0, qword [BASE+RD*8] - | add PC, 4 - | ucomisd xmm0, xmm1 - | jmp_comp jbe, ja, jb, jae, <9 - | jmp <6 - } else { - | fild dword [BASE+RA*8] - | jmp >2 - } - } else { - | checknum RA, ->vmeta_comp - | checknum RD, ->vmeta_comp - } - if (sse) { - |1: - | movsd xmm0, qword [BASE+RD*8] - |2: - | add PC, 4 - | ucomisd xmm0, qword [BASE+RA*8] - |3: - } else { - |1: - | fld qword [BASE+RA*8] // Reverse order, i.e like cmp D, A. - |2: - | fld qword [BASE+RD*8] - |3: - | add PC, 4 - | fcomparepp // eax (RD) modified! - } - | // Unordered: all of ZF CF PF set, ordered: PF clear. - | // To preserve NaN semantics GE/GT branch on unordered, but LT/LE don't. - if (LJ_DUALNUM) { - | jmp_comp jbe, ja, jb, jae, <9 - | jmp <6 - } else { - | jmp_comp jbe, ja, jb, jae, >1 - | movzx RD, PC_RD - | branchPC RD - |1: - | ins_next - } - break; - - case BC_ISEQV: case BC_ISNEV: - vk = op == BC_ISEQV; - | ins_AD // RA = src1, RD = src2, JMP with RD = target - | mov RB, [BASE+RD*8+4] - | add PC, 4 - if (LJ_DUALNUM) { - | cmp RB, LJ_TISNUM; jne >7 - | checkint RA, >8 - | mov RB, dword [BASE+RD*8] - | cmp RB, dword [BASE+RA*8] - if (vk) { - | jne >9 - } else { - | je >9 - } - | movzx RD, PC_RD - | branchPC RD - |9: - | ins_next - | - |7: // RD is not an integer. - | ja >5 - | // RD is a number. - | cmp dword [BASE+RA*8+4], LJ_TISNUM; jb >1; jne >5 - | // RD is a number, RA is an integer. - if (sse) { - | cvtsi2sd xmm0, dword [BASE+RA*8] - } else { - | fild dword [BASE+RA*8] - } - | jmp >2 - | - |8: // RD is an integer, RA is not an integer. - | ja >5 - | // RD is an integer, RA is a number. - if (sse) { - | cvtsi2sd xmm0, dword [BASE+RD*8] - | ucomisd xmm0, qword [BASE+RA*8] - } else { - | fild dword [BASE+RD*8] - | fld qword [BASE+RA*8] - } - | jmp >4 - | - } else { - | cmp RB, LJ_TISNUM; jae >5 - | checknum RA, >5 - } - if (sse) { - |1: - | movsd xmm0, qword [BASE+RA*8] - |2: - | ucomisd xmm0, qword [BASE+RD*8] - |4: - } else { - |1: - | fld qword [BASE+RA*8] - |2: - | fld qword [BASE+RD*8] - |4: - | fcomparepp // eax (RD) modified! - } - iseqne_fp: - if (vk) { - | jp >2 // Unordered means not equal. - | jne >2 - } else { - | jp >2 // Unordered means not equal. - | je >1 - } - iseqne_end: - if (vk) { - |1: // EQ: Branch to the target. - | movzx RD, PC_RD - | branchPC RD - |2: // NE: Fallthrough to next instruction. - if (!LJ_HASFFI) { - |3: - } - } else { - if (!LJ_HASFFI) { - |3: - } - |2: // NE: Branch to the target. - | movzx RD, PC_RD - | branchPC RD - |1: // EQ: Fallthrough to next instruction. - } - if (LJ_DUALNUM && (op == BC_ISEQV || op == BC_ISNEV || - op == BC_ISEQN || op == BC_ISNEN)) { - | jmp <9 - } else { - | ins_next - } - | - if (op == BC_ISEQV || op == BC_ISNEV) { - |5: // Either or both types are not numbers. - if (LJ_HASFFI) { - | cmp RB, LJ_TCDATA; je ->vmeta_equal_cd - | checktp RA, LJ_TCDATA; je ->vmeta_equal_cd - } - | checktp RA, RB // Compare types. - | jne <2 // Not the same type? - | cmp RB, LJ_TISPRI - | jae <1 // Same type and primitive type? - | - | // Same types and not a primitive type. Compare GCobj or pvalue. - | mov RA, [BASE+RA*8] - | mov RD, [BASE+RD*8] - | cmp RA, RD - | je <1 // Same GCobjs or pvalues? - | cmp RB, LJ_TISTABUD - | ja <2 // Different objects and not table/ud? - |.if X64 - | cmp RB, LJ_TUDATA // And not 64 bit lightuserdata. - | jb <2 - |.endif - | - | // Different tables or userdatas. Need to check __eq metamethod. - | // Field metatable must be at same offset for GCtab and GCudata! - | mov TAB:RB, TAB:RA->metatable - | test TAB:RB, TAB:RB - | jz <2 // No metatable? - | test byte TAB:RB->nomm, 1<vmeta_equal // Handle __eq metamethod. - } else if (LJ_HASFFI) { - |3: - | cmp RB, LJ_TCDATA - if (LJ_DUALNUM && vk) { - | jne <9 - } else { - | jne <2 - } - | jmp ->vmeta_equal_cd - } - break; - case BC_ISEQS: case BC_ISNES: - vk = op == BC_ISEQS; - | ins_AND // RA = src, RD = str const, JMP with RD = target - | mov RB, [BASE+RA*8+4] - | add PC, 4 - | cmp RB, LJ_TSTR; jne >3 - | mov RA, [BASE+RA*8] - | cmp RA, [KBASE+RD*4] - iseqne_test: - if (vk) { - | jne >2 - } else { - | je >1 - } - goto iseqne_end; - case BC_ISEQN: case BC_ISNEN: - vk = op == BC_ISEQN; - | ins_AD // RA = src, RD = num const, JMP with RD = target - | mov RB, [BASE+RA*8+4] - | add PC, 4 - if (LJ_DUALNUM) { - | cmp RB, LJ_TISNUM; jne >7 - | cmp dword [KBASE+RD*8+4], LJ_TISNUM; jne >8 - | mov RB, dword [KBASE+RD*8] - | cmp RB, dword [BASE+RA*8] - if (vk) { - | jne >9 - } else { - | je >9 - } - | movzx RD, PC_RD - | branchPC RD - |9: - | ins_next - | - |7: // RA is not an integer. - | ja >3 - | // RA is a number. - | cmp dword [KBASE+RD*8+4], LJ_TISNUM; jb >1 - | // RA is a number, RD is an integer. - if (sse) { - | cvtsi2sd xmm0, dword [KBASE+RD*8] - } else { - | fild dword [KBASE+RD*8] - } - | jmp >2 - | - |8: // RA is an integer, RD is a number. - if (sse) { - | cvtsi2sd xmm0, dword [BASE+RA*8] - | ucomisd xmm0, qword [KBASE+RD*8] - } else { - | fild dword [BASE+RA*8] - | fld qword [KBASE+RD*8] - } - | jmp >4 - } else { - | cmp RB, LJ_TISNUM; jae >3 - } - if (sse) { - |1: - | movsd xmm0, qword [KBASE+RD*8] - |2: - | ucomisd xmm0, qword [BASE+RA*8] - |4: - } else { - |1: - | fld qword [KBASE+RD*8] - |2: - | fld qword [BASE+RA*8] - |4: - | fcomparepp // eax (RD) modified! - } - goto iseqne_fp; - case BC_ISEQP: case BC_ISNEP: - vk = op == BC_ISEQP; - | ins_AND // RA = src, RD = primitive type (~), JMP with RD = target - | mov RB, [BASE+RA*8+4] - | add PC, 4 - | cmp RB, RD - if (!LJ_HASFFI) goto iseqne_test; - if (vk) { - | jne >3 - | movzx RD, PC_RD - | branchPC RD - |2: - | ins_next - |3: - | cmp RB, LJ_TCDATA; jne <2 - | jmp ->vmeta_equal_cd - } else { - | je >2 - | cmp RB, LJ_TCDATA; je ->vmeta_equal_cd - | movzx RD, PC_RD - | branchPC RD - |2: - | ins_next - } - break; - - /* -- Unary test and copy ops ------------------------------------------- */ - - case BC_ISTC: case BC_ISFC: case BC_IST: case BC_ISF: - | ins_AD // RA = dst or unused, RD = src, JMP with RD = target - | mov RB, [BASE+RD*8+4] - | add PC, 4 - | cmp RB, LJ_TISTRUECOND - if (op == BC_IST || op == BC_ISTC) { - | jae >1 - } else { - | jb >1 - } - if (op == BC_ISTC || op == BC_ISFC) { - | mov [BASE+RA*8+4], RB - | mov RB, [BASE+RD*8] - | mov [BASE+RA*8], RB - } - | movzx RD, PC_RD - | branchPC RD - |1: // Fallthrough to the next instruction. - | ins_next - break; - - /* -- Unary ops --------------------------------------------------------- */ - - case BC_MOV: - | ins_AD // RA = dst, RD = src - |.if X64 - | mov RBa, [BASE+RD*8] - | mov [BASE+RA*8], RBa - |.else - | mov RB, [BASE+RD*8+4] - | mov RD, [BASE+RD*8] - | mov [BASE+RA*8+4], RB - | mov [BASE+RA*8], RD - |.endif - | ins_next_ - break; - case BC_NOT: - | ins_AD // RA = dst, RD = src - | xor RB, RB - | checktp RD, LJ_TISTRUECOND - | adc RB, LJ_TTRUE - | mov [BASE+RA*8+4], RB - | ins_next - break; - case BC_UNM: - | ins_AD // RA = dst, RD = src - if (LJ_DUALNUM) { - | checkint RD, >5 - | mov RB, [BASE+RD*8] - | neg RB - | jo >4 - | mov dword [BASE+RA*8+4], LJ_TISNUM - | mov dword [BASE+RA*8], RB - |9: - | ins_next - |4: - | mov dword [BASE+RA*8+4], 0x41e00000 // 2^31. - | mov dword [BASE+RA*8], 0 - | jmp <9 - |5: - | ja ->vmeta_unm - } else { - | checknum RD, ->vmeta_unm - } - if (sse) { - | movsd xmm0, qword [BASE+RD*8] - | sseconst_sign xmm1, RDa - | xorps xmm0, xmm1 - | movsd qword [BASE+RA*8], xmm0 - } else { - | fld qword [BASE+RD*8] - | fchs - | fstp qword [BASE+RA*8] - } - if (LJ_DUALNUM) { - | jmp <9 - } else { - | ins_next - } - break; - case BC_LEN: - | ins_AD // RA = dst, RD = src - | checkstr RD, >2 - | mov STR:RD, [BASE+RD*8] - if (LJ_DUALNUM) { - | mov RD, dword STR:RD->len - |1: - | mov dword [BASE+RA*8+4], LJ_TISNUM - | mov dword [BASE+RA*8], RD - } else if (sse) { - | xorps xmm0, xmm0 - | cvtsi2sd xmm0, dword STR:RD->len - |1: - | movsd qword [BASE+RA*8], xmm0 - } else { - | fild dword STR:RD->len - |1: - | fstp qword [BASE+RA*8] - } - | ins_next - |2: - | checktab RD, ->vmeta_len - | mov TAB:FCARG1, [BASE+RD*8] -#ifdef LUAJIT_ENABLE_LUA52COMPAT - | mov TAB:RB, TAB:FCARG1->metatable - | cmp TAB:RB, 0 - | jnz >9 - |3: -#endif - |->BC_LEN_Z: - | mov RB, BASE // Save BASE. - | call extern lj_tab_len@4 // (GCtab *t) - | // Length of table returned in eax (RD). - if (LJ_DUALNUM) { - | // Nothing to do. - } else if (sse) { - | cvtsi2sd xmm0, RD - } else { - |.if not X64 - | mov ARG1, RD - | fild ARG1 - |.endif - } - | mov BASE, RB // Restore BASE. - | movzx RA, PC_RA - | jmp <1 -#ifdef LUAJIT_ENABLE_LUA52COMPAT - |9: // Check for __len. - | test byte TAB:RB->nomm, 1<vmeta_len // 'no __len' flag NOT set: check. -#endif - break; - - /* -- Binary ops -------------------------------------------------------- */ - - |.macro ins_arithpre, x87ins, sseins, ssereg - | ins_ABC - ||vk = ((int)op - BC_ADDVN) / (BC_ADDNV-BC_ADDVN); - ||switch (vk) { - ||case 0: - | checknum RB, ->vmeta_arith_vn - ||if (LJ_DUALNUM) { - | cmp dword [KBASE+RC*8+4], LJ_TISNUM; jae ->vmeta_arith_vn - ||} - ||if (sse) { - | movsd xmm0, qword [BASE+RB*8] - | sseins ssereg, qword [KBASE+RC*8] - ||} else { - | fld qword [BASE+RB*8] - | x87ins qword [KBASE+RC*8] - ||} - || break; - ||case 1: - | checknum RB, ->vmeta_arith_nv - ||if (LJ_DUALNUM) { - | cmp dword [KBASE+RC*8+4], LJ_TISNUM; jae ->vmeta_arith_nv - ||} - ||if (sse) { - | movsd xmm0, qword [KBASE+RC*8] - | sseins ssereg, qword [BASE+RB*8] - ||} else { - | fld qword [KBASE+RC*8] - | x87ins qword [BASE+RB*8] - ||} - || break; - ||default: - | checknum RB, ->vmeta_arith_vv - | checknum RC, ->vmeta_arith_vv - ||if (sse) { - | movsd xmm0, qword [BASE+RB*8] - | sseins ssereg, qword [BASE+RC*8] - ||} else { - | fld qword [BASE+RB*8] - | x87ins qword [BASE+RC*8] - ||} - || break; - ||} - |.endmacro - | - |.macro ins_arithdn, intins - | ins_ABC - ||vk = ((int)op - BC_ADDVN) / (BC_ADDNV-BC_ADDVN); - ||switch (vk) { - ||case 0: - | checkint RB, ->vmeta_arith_vn - | cmp dword [KBASE+RC*8+4], LJ_TISNUM; jne ->vmeta_arith_vn - | mov RB, [BASE+RB*8] - | intins RB, [KBASE+RC*8]; jo ->vmeta_arith_vno - || break; - ||case 1: - | checkint RB, ->vmeta_arith_nv - | cmp dword [KBASE+RC*8+4], LJ_TISNUM; jne ->vmeta_arith_nv - | mov RC, [KBASE+RC*8] - | intins RC, [BASE+RB*8]; jo ->vmeta_arith_nvo - || break; - ||default: - | checkint RB, ->vmeta_arith_vv - | checkint RC, ->vmeta_arith_vv - | mov RB, [BASE+RB*8] - | intins RB, [BASE+RC*8]; jo ->vmeta_arith_vvo - || break; - ||} - | mov dword [BASE+RA*8+4], LJ_TISNUM - ||if (vk == 1) { - | mov dword [BASE+RA*8], RC - ||} else { - | mov dword [BASE+RA*8], RB - ||} - | ins_next - |.endmacro - | - |.macro ins_arithpost - ||if (sse) { - | movsd qword [BASE+RA*8], xmm0 - ||} else { - | fstp qword [BASE+RA*8] - ||} - |.endmacro - | - |.macro ins_arith, x87ins, sseins - | ins_arithpre x87ins, sseins, xmm0 - | ins_arithpost - | ins_next - |.endmacro - | - |.macro ins_arith, intins, x87ins, sseins - ||if (LJ_DUALNUM) { - | ins_arithdn intins - ||} else { - | ins_arith, x87ins, sseins - ||} - |.endmacro - - | // RA = dst, RB = src1 or num const, RC = src2 or num const - case BC_ADDVN: case BC_ADDNV: case BC_ADDVV: - | ins_arith add, fadd, addsd - break; - case BC_SUBVN: case BC_SUBNV: case BC_SUBVV: - | ins_arith sub, fsub, subsd - break; - case BC_MULVN: case BC_MULNV: case BC_MULVV: - | ins_arith imul, fmul, mulsd - break; - case BC_DIVVN: case BC_DIVNV: case BC_DIVVV: - | ins_arith fdiv, divsd - break; - case BC_MODVN: - | ins_arithpre fld, movsd, xmm1 - |->BC_MODVN_Z: - | call ->vm_mod - | ins_arithpost - | ins_next - break; - case BC_MODNV: case BC_MODVV: - | ins_arithpre fld, movsd, xmm1 - | jmp ->BC_MODVN_Z // Avoid 3 copies. It's slow anyway. - break; - case BC_POW: - | ins_arithpre fld, movsd, xmm1 - | call ->vm_pow - | ins_arithpost - | ins_next - break; - - case BC_CAT: - | ins_ABC // RA = dst, RB = src_start, RC = src_end - |.if X64 - | mov L:CARG1d, SAVE_L - | mov L:CARG1d->base, BASE - | lea CARG2d, [BASE+RC*8] - | mov CARG3d, RC - | sub CARG3d, RB - |->BC_CAT_Z: - | mov L:RB, L:CARG1d - |.else - | lea RA, [BASE+RC*8] - | sub RC, RB - | mov ARG2, RA - | mov ARG3, RC - |->BC_CAT_Z: - | mov L:RB, SAVE_L - | mov ARG1, L:RB - | mov L:RB->base, BASE - |.endif - | mov SAVE_PC, PC - | call extern lj_meta_cat // (lua_State *L, TValue *top, int left) - | // NULL (finished) or TValue * (metamethod) returned in eax (RC). - | mov BASE, L:RB->base - | test RC, RC - | jnz ->vmeta_binop - | movzx RB, PC_RB // Copy result to Stk[RA] from Stk[RB]. - | movzx RA, PC_RA - |.if X64 - | mov RCa, [BASE+RB*8] - | mov [BASE+RA*8], RCa - |.else - | mov RC, [BASE+RB*8+4] - | mov RB, [BASE+RB*8] - | mov [BASE+RA*8+4], RC - | mov [BASE+RA*8], RB - |.endif - | ins_next - break; - - /* -- Constant ops ------------------------------------------------------ */ - - case BC_KSTR: - | ins_AND // RA = dst, RD = str const (~) - | mov RD, [KBASE+RD*4] - | mov dword [BASE+RA*8+4], LJ_TSTR - | mov [BASE+RA*8], RD - | ins_next - break; - case BC_KCDATA: -#if LJ_HASFFI - | ins_AND // RA = dst, RD = cdata const (~) - | mov RD, [KBASE+RD*4] - | mov dword [BASE+RA*8+4], LJ_TCDATA - | mov [BASE+RA*8], RD - | ins_next -#endif - break; - case BC_KSHORT: - | ins_AD // RA = dst, RD = signed int16 literal - if (LJ_DUALNUM) { - | movsx RD, RDW - | mov dword [BASE+RA*8+4], LJ_TISNUM - | mov dword [BASE+RA*8], RD - } else if (sse) { - | movsx RD, RDW // Sign-extend literal. - | cvtsi2sd xmm0, RD - | movsd qword [BASE+RA*8], xmm0 - } else { - | fild PC_RD // Refetch signed RD from instruction. - | fstp qword [BASE+RA*8] - } - | ins_next - break; - case BC_KNUM: - | ins_AD // RA = dst, RD = num const - if (sse) { - | movsd xmm0, qword [KBASE+RD*8] - | movsd qword [BASE+RA*8], xmm0 - } else { - | fld qword [KBASE+RD*8] - | fstp qword [BASE+RA*8] - } - | ins_next - break; - case BC_KPRI: - | ins_AND // RA = dst, RD = primitive type (~) - | mov [BASE+RA*8+4], RD - | ins_next - break; - case BC_KNIL: - | ins_AD // RA = dst_start, RD = dst_end - | lea RA, [BASE+RA*8+12] - | lea RD, [BASE+RD*8+4] - | mov RB, LJ_TNIL - | mov [RA-8], RB // Sets minimum 2 slots. - |1: - | mov [RA], RB - | add RA, 8 - | cmp RA, RD - | jbe <1 - | ins_next - break; - - /* -- Upvalue and function ops ------------------------------------------ */ - - case BC_UGET: - | ins_AD // RA = dst, RD = upvalue # - | mov LFUNC:RB, [BASE-8] - | mov UPVAL:RB, [LFUNC:RB+RD*4+offsetof(GCfuncL, uvptr)] - | mov RB, UPVAL:RB->v - |.if X64 - | mov RDa, [RB] - | mov [BASE+RA*8], RDa - |.else - | mov RD, [RB+4] - | mov RB, [RB] - | mov [BASE+RA*8+4], RD - | mov [BASE+RA*8], RB - |.endif - | ins_next - break; - case BC_USETV: -#define TV2MARKOFS \ - ((int32_t)offsetof(GCupval, marked)-(int32_t)offsetof(GCupval, tv)) - | ins_AD // RA = upvalue #, RD = src - | mov LFUNC:RB, [BASE-8] - | mov UPVAL:RB, [LFUNC:RB+RA*4+offsetof(GCfuncL, uvptr)] - | cmp byte UPVAL:RB->closed, 0 - | mov RB, UPVAL:RB->v - | mov RA, [BASE+RD*8] - | mov RD, [BASE+RD*8+4] - | mov [RB], RA - | mov [RB+4], RD - | jz >1 - | // Check barrier for closed upvalue. - | test byte [RB+TV2MARKOFS], LJ_GC_BLACK // isblack(uv) - | jnz >2 - |1: - | ins_next - | - |2: // Upvalue is black. Check if new value is collectable and white. - | sub RD, LJ_TISGCV - | cmp RD, LJ_TISNUM - LJ_TISGCV // tvisgcv(v) - | jbe <1 - | test byte GCOBJ:RA->gch.marked, LJ_GC_WHITES // iswhite(v) - | jz <1 - | // Crossed a write barrier. Move the barrier forward. - |.if X64 and not X64WIN - | mov FCARG2, RB - | mov RB, BASE // Save BASE. - |.else - | xchg FCARG2, RB // Save BASE (FCARG2 == BASE). - |.endif - | lea GL:FCARG1, [DISPATCH+GG_DISP2G] - | call extern lj_gc_barrieruv@8 // (global_State *g, TValue *tv) - | mov BASE, RB // Restore BASE. - | jmp <1 - break; -#undef TV2MARKOFS - case BC_USETS: - | ins_AND // RA = upvalue #, RD = str const (~) - | mov LFUNC:RB, [BASE-8] - | mov UPVAL:RB, [LFUNC:RB+RA*4+offsetof(GCfuncL, uvptr)] - | mov GCOBJ:RA, [KBASE+RD*4] - | mov RD, UPVAL:RB->v - | mov [RD], GCOBJ:RA - | mov dword [RD+4], LJ_TSTR - | test byte UPVAL:RB->marked, LJ_GC_BLACK // isblack(uv) - | jnz >2 - |1: - | ins_next - | - |2: // Check if string is white and ensure upvalue is closed. - | test byte GCOBJ:RA->gch.marked, LJ_GC_WHITES // iswhite(str) - | jz <1 - | cmp byte UPVAL:RB->closed, 0 - | jz <1 - | // Crossed a write barrier. Move the barrier forward. - | mov RB, BASE // Save BASE (FCARG2 == BASE). - | mov FCARG2, RD - | lea GL:FCARG1, [DISPATCH+GG_DISP2G] - | call extern lj_gc_barrieruv@8 // (global_State *g, TValue *tv) - | mov BASE, RB // Restore BASE. - | jmp <1 - break; - case BC_USETN: - | ins_AD // RA = upvalue #, RD = num const - | mov LFUNC:RB, [BASE-8] - if (sse) { - | movsd xmm0, qword [KBASE+RD*8] - } else { - | fld qword [KBASE+RD*8] - } - | mov UPVAL:RB, [LFUNC:RB+RA*4+offsetof(GCfuncL, uvptr)] - | mov RA, UPVAL:RB->v - if (sse) { - | movsd qword [RA], xmm0 - } else { - | fstp qword [RA] - } - | ins_next - break; - case BC_USETP: - | ins_AND // RA = upvalue #, RD = primitive type (~) - | mov LFUNC:RB, [BASE-8] - | mov UPVAL:RB, [LFUNC:RB+RA*4+offsetof(GCfuncL, uvptr)] - | mov RA, UPVAL:RB->v - | mov [RA+4], RD - | ins_next - break; - case BC_UCLO: - | ins_AD // RA = level, RD = target - | branchPC RD // Do this first to free RD. - | mov L:RB, SAVE_L - | cmp dword L:RB->openupval, 0 - | je >1 - | mov L:RB->base, BASE - | lea FCARG2, [BASE+RA*8] // Caveat: FCARG2 == BASE - | mov L:FCARG1, L:RB // Caveat: FCARG1 == RA - | call extern lj_func_closeuv@8 // (lua_State *L, TValue *level) - | mov BASE, L:RB->base - |1: - | ins_next - break; - - case BC_FNEW: - | ins_AND // RA = dst, RD = proto const (~) (holding function prototype) - |.if X64 - | mov L:RB, SAVE_L - | mov L:RB->base, BASE // Caveat: CARG2d/CARG3d may be BASE. - | mov CARG3d, [BASE-8] - | mov CARG2d, [KBASE+RD*4] // Fetch GCproto *. - | mov CARG1d, L:RB - |.else - | mov LFUNC:RA, [BASE-8] - | mov PROTO:RD, [KBASE+RD*4] // Fetch GCproto *. - | mov L:RB, SAVE_L - | mov ARG3, LFUNC:RA - | mov ARG2, PROTO:RD - | mov ARG1, L:RB - | mov L:RB->base, BASE - |.endif - | mov SAVE_PC, PC - | // (lua_State *L, GCproto *pt, GCfuncL *parent) - | call extern lj_func_newL_gc - | // GCfuncL * returned in eax (RC). - | mov BASE, L:RB->base - | movzx RA, PC_RA - | mov [BASE+RA*8], LFUNC:RC - | mov dword [BASE+RA*8+4], LJ_TFUNC - | ins_next - break; - - /* -- Table ops --------------------------------------------------------- */ - - case BC_TNEW: - | ins_AD // RA = dst, RD = hbits|asize - | mov L:RB, SAVE_L - | mov L:RB->base, BASE - | mov RA, [DISPATCH+DISPATCH_GL(gc.total)] - | cmp RA, [DISPATCH+DISPATCH_GL(gc.threshold)] - | mov SAVE_PC, PC - | jae >5 - |1: - |.if X64 - | mov CARG3d, RD - | and RD, 0x7ff - | shr CARG3d, 11 - |.else - | mov RA, RD - | and RD, 0x7ff - | shr RA, 11 - | mov ARG3, RA - |.endif - | cmp RD, 0x7ff - | je >3 - |2: - |.if X64 - | mov L:CARG1d, L:RB - | mov CARG2d, RD - |.else - | mov ARG1, L:RB - | mov ARG2, RD - |.endif - | call extern lj_tab_new // (lua_State *L, int32_t asize, uint32_t hbits) - | // Table * returned in eax (RC). - | mov BASE, L:RB->base - | movzx RA, PC_RA - | mov [BASE+RA*8], TAB:RC - | mov dword [BASE+RA*8+4], LJ_TTAB - | ins_next - |3: // Turn 0x7ff into 0x801. - | mov RD, 0x801 - | jmp <2 - |5: - | mov L:FCARG1, L:RB - | call extern lj_gc_step_fixtop@4 // (lua_State *L) - | movzx RD, PC_RD - | jmp <1 - break; - case BC_TDUP: - | ins_AND // RA = dst, RD = table const (~) (holding template table) - | mov L:RB, SAVE_L - | mov RA, [DISPATCH+DISPATCH_GL(gc.total)] - | mov SAVE_PC, PC - | cmp RA, [DISPATCH+DISPATCH_GL(gc.threshold)] - | mov L:RB->base, BASE - | jae >3 - |2: - | mov TAB:FCARG2, [KBASE+RD*4] // Caveat: FCARG2 == BASE - | mov L:FCARG1, L:RB // Caveat: FCARG1 == RA - | call extern lj_tab_dup@8 // (lua_State *L, Table *kt) - | // Table * returned in eax (RC). - | mov BASE, L:RB->base - | movzx RA, PC_RA - | mov [BASE+RA*8], TAB:RC - | mov dword [BASE+RA*8+4], LJ_TTAB - | ins_next - |3: - | mov L:FCARG1, L:RB - | call extern lj_gc_step_fixtop@4 // (lua_State *L) - | movzx RD, PC_RD // Need to reload RD. - | not RDa - | jmp <2 - break; - - case BC_GGET: - | ins_AND // RA = dst, RD = str const (~) - | mov LFUNC:RB, [BASE-8] - | mov TAB:RB, LFUNC:RB->env - | mov STR:RC, [KBASE+RD*4] - | jmp ->BC_TGETS_Z - break; - case BC_GSET: - | ins_AND // RA = src, RD = str const (~) - | mov LFUNC:RB, [BASE-8] - | mov TAB:RB, LFUNC:RB->env - | mov STR:RC, [KBASE+RD*4] - | jmp ->BC_TSETS_Z - break; - - case BC_TGETV: - | ins_ABC // RA = dst, RB = table, RC = key - | checktab RB, ->vmeta_tgetv - | mov TAB:RB, [BASE+RB*8] - | - | // Integer key? - if (LJ_DUALNUM) { - | checkint RC, >5 - | mov RC, dword [BASE+RC*8] - } else { - | // Convert number to int and back and compare. - | checknum RC, >5 - if (sse) { - | movsd xmm0, qword [BASE+RC*8] - | cvtsd2si RC, xmm0 - | cvtsi2sd xmm1, RC - | ucomisd xmm0, xmm1 - } else { - |.if not X64 - | fld qword [BASE+RC*8] - | fist ARG1 - | fild ARG1 - | fcomparepp // eax (RC) modified! - | mov RC, ARG1 - |.endif - } - | jne ->vmeta_tgetv // Generic numeric key? Use fallback. - } - | cmp RC, TAB:RB->asize // Takes care of unordered, too. - | jae ->vmeta_tgetv // Not in array part? Use fallback. - | shl RC, 3 - | add RC, TAB:RB->array - | cmp dword [RC+4], LJ_TNIL // Avoid overwriting RB in fastpath. - | je >2 - | // Get array slot. - |.if X64 - | mov RBa, [RC] - | mov [BASE+RA*8], RBa - |.else - | mov RB, [RC] - | mov RC, [RC+4] - | mov [BASE+RA*8], RB - | mov [BASE+RA*8+4], RC - |.endif - |1: - | ins_next - | - |2: // Check for __index if table value is nil. - | cmp dword TAB:RB->metatable, 0 // Shouldn't overwrite RA for fastpath. - | jz >3 - | mov TAB:RA, TAB:RB->metatable - | test byte TAB:RA->nomm, 1<vmeta_tgetv // 'no __index' flag NOT set: check. - | movzx RA, PC_RA // Restore RA. - |3: - | mov dword [BASE+RA*8+4], LJ_TNIL - | jmp <1 - | - |5: // String key? - | checkstr RC, ->vmeta_tgetv - | mov STR:RC, [BASE+RC*8] - | jmp ->BC_TGETS_Z - break; - case BC_TGETS: - | ins_ABC // RA = dst, RB = table, RC = str const (~) - | not RCa - | mov STR:RC, [KBASE+RC*4] - | checktab RB, ->vmeta_tgets - | mov TAB:RB, [BASE+RB*8] - |->BC_TGETS_Z: // RB = GCtab *, RC = GCstr *, refetches PC_RA. - | mov RA, TAB:RB->hmask - | and RA, STR:RC->hash - | imul RA, #NODE - | add NODE:RA, TAB:RB->node - |1: - | cmp dword NODE:RA->key.it, LJ_TSTR - | jne >4 - | cmp dword NODE:RA->key.gcr, STR:RC - | jne >4 - | // Ok, key found. Assumes: offsetof(Node, val) == 0 - | cmp dword [RA+4], LJ_TNIL // Avoid overwriting RB in fastpath. - | je >5 // Key found, but nil value? - | movzx RC, PC_RA - | // Get node value. - |.if X64 - | mov RBa, [RA] - | mov [BASE+RC*8], RBa - |.else - | mov RB, [RA] - | mov RA, [RA+4] - | mov [BASE+RC*8], RB - | mov [BASE+RC*8+4], RA - |.endif - |2: - | ins_next - | - |3: - | movzx RC, PC_RA - | mov dword [BASE+RC*8+4], LJ_TNIL - | jmp <2 - | - |4: // Follow hash chain. - | mov NODE:RA, NODE:RA->next - | test NODE:RA, NODE:RA - | jnz <1 - | // End of hash chain: key not found, nil result. - | - |5: // Check for __index if table value is nil. - | mov TAB:RA, TAB:RB->metatable - | test TAB:RA, TAB:RA - | jz <3 // No metatable: done. - | test byte TAB:RA->nomm, 1<vmeta_tgets // Caveat: preserve STR:RC. - break; - case BC_TGETB: - | ins_ABC // RA = dst, RB = table, RC = byte literal - | checktab RB, ->vmeta_tgetb - | mov TAB:RB, [BASE+RB*8] - | cmp RC, TAB:RB->asize - | jae ->vmeta_tgetb - | shl RC, 3 - | add RC, TAB:RB->array - | cmp dword [RC+4], LJ_TNIL // Avoid overwriting RB in fastpath. - | je >2 - | // Get array slot. - |.if X64 - | mov RBa, [RC] - | mov [BASE+RA*8], RBa - |.else - | mov RB, [RC] - | mov RC, [RC+4] - | mov [BASE+RA*8], RB - | mov [BASE+RA*8+4], RC - |.endif - |1: - | ins_next - | - |2: // Check for __index if table value is nil. - | cmp dword TAB:RB->metatable, 0 // Shouldn't overwrite RA for fastpath. - | jz >3 - | mov TAB:RA, TAB:RB->metatable - | test byte TAB:RA->nomm, 1<vmeta_tgetb // 'no __index' flag NOT set: check. - | movzx RA, PC_RA // Restore RA. - |3: - | mov dword [BASE+RA*8+4], LJ_TNIL - | jmp <1 - break; - - case BC_TSETV: - | ins_ABC // RA = src, RB = table, RC = key - | checktab RB, ->vmeta_tsetv - | mov TAB:RB, [BASE+RB*8] - | - | // Integer key? - if (LJ_DUALNUM) { - | checkint RC, >5 - | mov RC, dword [BASE+RC*8] - } else { - | // Convert number to int and back and compare. - | checknum RC, >5 - if (sse) { - | movsd xmm0, qword [BASE+RC*8] - | cvtsd2si RC, xmm0 - | cvtsi2sd xmm1, RC - | ucomisd xmm0, xmm1 - } else { - |.if not X64 - | fld qword [BASE+RC*8] - | fist ARG1 - | fild ARG1 - | fcomparepp // eax (RC) modified! - | mov RC, ARG1 - |.endif - } - | jne ->vmeta_tsetv // Generic numeric key? Use fallback. - } - | cmp RC, TAB:RB->asize // Takes care of unordered, too. - | jae ->vmeta_tsetv - | shl RC, 3 - | add RC, TAB:RB->array - | cmp dword [RC+4], LJ_TNIL - | je >3 // Previous value is nil? - |1: - | test byte TAB:RB->marked, LJ_GC_BLACK // isblack(table) - | jnz >7 - |2: // Set array slot. - |.if X64 - | mov RBa, [BASE+RA*8] - | mov [RC], RBa - |.else - | mov RB, [BASE+RA*8+4] - | mov RA, [BASE+RA*8] - | mov [RC+4], RB - | mov [RC], RA - |.endif - | ins_next - | - |3: // Check for __newindex if previous value is nil. - | cmp dword TAB:RB->metatable, 0 // Shouldn't overwrite RA for fastpath. - | jz <1 - | mov TAB:RA, TAB:RB->metatable - | test byte TAB:RA->nomm, 1<vmeta_tsetv // 'no __newindex' flag NOT set: check. - | movzx RA, PC_RA // Restore RA. - | jmp <1 - | - |5: // String key? - | checkstr RC, ->vmeta_tsetv - | mov STR:RC, [BASE+RC*8] - | jmp ->BC_TSETS_Z - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:RB, RA - | movzx RA, PC_RA // Restore RA. - | jmp <2 - break; - case BC_TSETS: - | ins_ABC // RA = src, RB = table, RC = str const (~) - | not RCa - | mov STR:RC, [KBASE+RC*4] - | checktab RB, ->vmeta_tsets - | mov TAB:RB, [BASE+RB*8] - |->BC_TSETS_Z: // RB = GCtab *, RC = GCstr *, refetches PC_RA. - | mov RA, TAB:RB->hmask - | and RA, STR:RC->hash - | imul RA, #NODE - | mov byte TAB:RB->nomm, 0 // Clear metamethod cache. - | add NODE:RA, TAB:RB->node - |1: - | cmp dword NODE:RA->key.it, LJ_TSTR - | jne >5 - | cmp dword NODE:RA->key.gcr, STR:RC - | jne >5 - | // Ok, key found. Assumes: offsetof(Node, val) == 0 - | cmp dword [RA+4], LJ_TNIL - | je >4 // Previous value is nil? - |2: - | test byte TAB:RB->marked, LJ_GC_BLACK // isblack(table) - | jnz >7 - |3: // Set node value. - | movzx RC, PC_RA - |.if X64 - | mov RBa, [BASE+RC*8] - | mov [RA], RBa - |.else - | mov RB, [BASE+RC*8+4] - | mov RC, [BASE+RC*8] - | mov [RA+4], RB - | mov [RA], RC - |.endif - | ins_next - | - |4: // Check for __newindex if previous value is nil. - | cmp dword TAB:RB->metatable, 0 // Shouldn't overwrite RA for fastpath. - | jz <2 - | mov TMP1, RA // Save RA. - | mov TAB:RA, TAB:RB->metatable - | test byte TAB:RA->nomm, 1<vmeta_tsets // 'no __newindex' flag NOT set: check. - | mov RA, TMP1 // Restore RA. - | jmp <2 - | - |5: // Follow hash chain. - | mov NODE:RA, NODE:RA->next - | test NODE:RA, NODE:RA - | jnz <1 - | // End of hash chain: key not found, add a new one. - | - | // But check for __newindex first. - | mov TAB:RA, TAB:RB->metatable - | test TAB:RA, TAB:RA - | jz >6 // No metatable: continue. - | test byte TAB:RA->nomm, 1<vmeta_tsets // 'no __newindex' flag NOT set: check. - |6: - | mov TMP1, STR:RC - | mov TMP2, LJ_TSTR - | mov TMP3, TAB:RB // Save TAB:RB for us. - |.if X64 - | mov L:CARG1d, SAVE_L - | mov L:CARG1d->base, BASE - | lea CARG3, TMP1 - | mov CARG2d, TAB:RB - | mov L:RB, L:CARG1d - |.else - | lea RC, TMP1 // Store temp. TValue in TMP1/TMP2. - | mov ARG2, TAB:RB - | mov L:RB, SAVE_L - | mov ARG3, RC - | mov ARG1, L:RB - | mov L:RB->base, BASE - |.endif - | mov SAVE_PC, PC - | call extern lj_tab_newkey // (lua_State *L, GCtab *t, TValue *k) - | // Handles write barrier for the new key. TValue * returned in eax (RC). - | mov BASE, L:RB->base - | mov TAB:RB, TMP3 // Need TAB:RB for barrier. - | mov RA, eax - | jmp <2 // Must check write barrier for value. - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:RB, RC // Destroys STR:RC. - | jmp <3 - break; - case BC_TSETB: - | ins_ABC // RA = src, RB = table, RC = byte literal - | checktab RB, ->vmeta_tsetb - | mov TAB:RB, [BASE+RB*8] - | cmp RC, TAB:RB->asize - | jae ->vmeta_tsetb - | shl RC, 3 - | add RC, TAB:RB->array - | cmp dword [RC+4], LJ_TNIL - | je >3 // Previous value is nil? - |1: - | test byte TAB:RB->marked, LJ_GC_BLACK // isblack(table) - | jnz >7 - |2: // Set array slot. - |.if X64 - | mov RAa, [BASE+RA*8] - | mov [RC], RAa - |.else - | mov RB, [BASE+RA*8+4] - | mov RA, [BASE+RA*8] - | mov [RC+4], RB - | mov [RC], RA - |.endif - | ins_next - | - |3: // Check for __newindex if previous value is nil. - | cmp dword TAB:RB->metatable, 0 // Shouldn't overwrite RA for fastpath. - | jz <1 - | mov TAB:RA, TAB:RB->metatable - | test byte TAB:RA->nomm, 1<vmeta_tsetb // 'no __newindex' flag NOT set: check. - | movzx RA, PC_RA // Restore RA. - | jmp <1 - | - |7: // Possible table write barrier for the value. Skip valiswhite check. - | barrierback TAB:RB, RA - | movzx RA, PC_RA // Restore RA. - | jmp <2 - break; - - case BC_TSETM: - | ins_AD // RA = base (table at base-1), RD = num const (start index) - | mov TMP1, KBASE // Need one more free register. - | mov KBASE, dword [KBASE+RD*8] // Integer constant is in lo-word. - |1: - | lea RA, [BASE+RA*8] - | mov TAB:RB, [RA-8] // Guaranteed to be a table. - | test byte TAB:RB->marked, LJ_GC_BLACK // isblack(table) - | jnz >7 - |2: - | mov RD, MULTRES - | sub RD, 1 - | jz >4 // Nothing to copy? - | add RD, KBASE // Compute needed size. - | cmp RD, TAB:RB->asize - | ja >5 // Doesn't fit into array part? - | sub RD, KBASE - | shl KBASE, 3 - | add KBASE, TAB:RB->array - |3: // Copy result slots to table. - |.if X64 - | mov RBa, [RA] - | add RA, 8 - | mov [KBASE], RBa - |.else - | mov RB, [RA] - | mov [KBASE], RB - | mov RB, [RA+4] - | add RA, 8 - | mov [KBASE+4], RB - |.endif - | add KBASE, 8 - | sub RD, 1 - | jnz <3 - |4: - | mov KBASE, TMP1 - | ins_next - | - |5: // Need to resize array part. - |.if X64 - | mov L:CARG1d, SAVE_L - | mov L:CARG1d->base, BASE // Caveat: CARG2d/CARG3d may be BASE. - | mov CARG2d, TAB:RB - | mov CARG3d, RD - | mov L:RB, L:CARG1d - |.else - | mov ARG2, TAB:RB - | mov L:RB, SAVE_L - | mov L:RB->base, BASE - | mov ARG3, RD - | mov ARG1, L:RB - |.endif - | mov SAVE_PC, PC - | call extern lj_tab_reasize // (lua_State *L, GCtab *t, int nasize) - | mov BASE, L:RB->base - | movzx RA, PC_RA // Restore RA. - | jmp <1 // Retry. - | - |7: // Possible table write barrier for any value. Skip valiswhite check. - | barrierback TAB:RB, RD - | jmp <2 - break; - - /* -- Calls and vararg handling ----------------------------------------- */ - - case BC_CALL: case BC_CALLM: - | ins_A_C // RA = base, (RB = nresults+1,) RC = nargs+1 | extra_nargs - if (op == BC_CALLM) { - | add NARGS:RD, MULTRES - } - | cmp dword [BASE+RA*8+4], LJ_TFUNC - | mov LFUNC:RB, [BASE+RA*8] - | jne ->vmeta_call_ra - | lea BASE, [BASE+RA*8+8] - | ins_call - break; - - case BC_CALLMT: - | ins_AD // RA = base, RD = extra_nargs - | add NARGS:RD, MULTRES - | // Fall through. Assumes BC_CALLT follows and ins_AD is a no-op. - break; - case BC_CALLT: - | ins_AD // RA = base, RD = nargs+1 - | lea RA, [BASE+RA*8+8] - | mov KBASE, BASE // Use KBASE for move + vmeta_call hint. - | mov LFUNC:RB, [RA-8] - | cmp dword [RA-4], LJ_TFUNC - | jne ->vmeta_call - |->BC_CALLT_Z: - | mov PC, [BASE-4] - | test PC, FRAME_TYPE - | jnz >7 - |1: - | mov [BASE-8], LFUNC:RB // Copy function down, reloaded below. - | mov MULTRES, NARGS:RD - | sub NARGS:RD, 1 - | jz >3 - |2: // Move args down. - |.if X64 - | mov RBa, [RA] - | add RA, 8 - | mov [KBASE], RBa - |.else - | mov RB, [RA] - | mov [KBASE], RB - | mov RB, [RA+4] - | add RA, 8 - | mov [KBASE+4], RB - |.endif - | add KBASE, 8 - | sub NARGS:RD, 1 - | jnz <2 - | - | mov LFUNC:RB, [BASE-8] - |3: - | mov NARGS:RD, MULTRES - | cmp byte LFUNC:RB->ffid, 1 // (> FF_C) Calling a fast function? - | ja >5 - |4: - | ins_callt - | - |5: // Tailcall to a fast function. - | test PC, FRAME_TYPE // Lua frame below? - | jnz <4 - | movzx RA, PC_RA - | not RAa - | lea RA, [BASE+RA*8] - | mov LFUNC:KBASE, [RA-8] // Need to prepare KBASE. - | mov KBASE, LFUNC:KBASE->pc - | mov KBASE, [KBASE+PC2PROTO(k)] - | jmp <4 - | - |7: // Tailcall from a vararg function. - | sub PC, FRAME_VARG - | test PC, FRAME_TYPEP - | jnz >8 // Vararg frame below? - | sub BASE, PC // Need to relocate BASE/KBASE down. - | mov KBASE, BASE - | mov PC, [BASE-4] - | jmp <1 - |8: - | add PC, FRAME_VARG - | jmp <1 - break; - - case BC_ITERC: - | ins_A // RA = base, (RB = nresults+1,) RC = nargs+1 (2+1) - | lea RA, [BASE+RA*8+8] // fb = base+1 - |.if X64 - | mov RBa, [RA-24] // Copy state. fb[0] = fb[-3]. - | mov RCa, [RA-16] // Copy control var. fb[1] = fb[-2]. - | mov [RA], RBa - | mov [RA+8], RCa - |.else - | mov RB, [RA-24] // Copy state. fb[0] = fb[-3]. - | mov RC, [RA-20] - | mov [RA], RB - | mov [RA+4], RC - | mov RB, [RA-16] // Copy control var. fb[1] = fb[-2]. - | mov RC, [RA-12] - | mov [RA+8], RB - | mov [RA+12], RC - |.endif - | mov LFUNC:RB, [RA-32] // Copy callable. fb[-1] = fb[-4] - | mov RC, [RA-28] - | mov [RA-8], LFUNC:RB - | mov [RA-4], RC - | cmp RC, LJ_TFUNC // Handle like a regular 2-arg call. - | mov NARGS:RD, 2+1 - | jne ->vmeta_call - | mov BASE, RA - | ins_call - break; - - case BC_ITERN: - | ins_A // RA = base, (RB = nresults+1, RC = nargs+1 (2+1)) -#if LJ_HASJIT - | // NYI: add hotloop, record BC_ITERN. -#endif - | mov TMP1, KBASE // Need two more free registers. - | mov TMP2, DISPATCH - | mov TAB:RB, [BASE+RA*8-16] - | mov RC, [BASE+RA*8-8] // Get index from control var. - | mov DISPATCH, TAB:RB->asize - | add PC, 4 - | mov KBASE, TAB:RB->array - |1: // Traverse array part. - | cmp RC, DISPATCH; jae >5 // Index points after array part? - | cmp dword [KBASE+RC*8+4], LJ_TNIL; je >4 - if (LJ_DUALNUM) { - | mov dword [BASE+RA*8+4], LJ_TISNUM - | mov dword [BASE+RA*8], RC - } else if (sse) { - | cvtsi2sd xmm0, RC - } else { - | fild dword [BASE+RA*8-8] - } - | // Copy array slot to returned value. - |.if X64 - | mov RBa, [KBASE+RC*8] - | mov [BASE+RA*8+8], RBa - |.else - | mov RB, [KBASE+RC*8+4] - | mov [BASE+RA*8+12], RB - | mov RB, [KBASE+RC*8] - | mov [BASE+RA*8+8], RB - |.endif - | add RC, 1 - | // Return array index as a numeric key. - if (LJ_DUALNUM) { - | // See above. - } else if (sse) { - | movsd qword [BASE+RA*8], xmm0 - } else { - | fstp qword [BASE+RA*8] - } - | mov [BASE+RA*8-8], RC // Update control var. - |2: - | movzx RD, PC_RD // Get target from ITERL. - | branchPC RD - |3: - | mov DISPATCH, TMP2 - | mov KBASE, TMP1 - | ins_next - | - |4: // Skip holes in array part. - | add RC, 1 - if (!LJ_DUALNUM && !sse) { - | mov [BASE+RA*8-8], RC - } - | jmp <1 - | - |5: // Traverse hash part. - | sub RC, DISPATCH - |6: - | cmp RC, TAB:RB->hmask; ja <3 // End of iteration? Branch to ITERL+1. - | imul KBASE, RC, #NODE - | add NODE:KBASE, TAB:RB->node - | cmp dword NODE:KBASE->val.it, LJ_TNIL; je >7 - | lea DISPATCH, [RC+DISPATCH+1] - | // Copy key and value from hash slot. - |.if X64 - | mov RBa, NODE:KBASE->key - | mov RCa, NODE:KBASE->val - | mov [BASE+RA*8], RBa - | mov [BASE+RA*8+8], RCa - |.else - | mov RB, NODE:KBASE->key.gcr - | mov RC, NODE:KBASE->key.it - | mov [BASE+RA*8], RB - | mov [BASE+RA*8+4], RC - | mov RB, NODE:KBASE->val.gcr - | mov RC, NODE:KBASE->val.it - | mov [BASE+RA*8+8], RB - | mov [BASE+RA*8+12], RC - |.endif - | mov [BASE+RA*8-8], DISPATCH - | jmp <2 - | - |7: // Skip holes in hash part. - | add RC, 1 - | jmp <6 - break; - - case BC_ISNEXT: - | ins_AD // RA = base, RD = target (points to ITERN) - | cmp dword [BASE+RA*8-20], LJ_TFUNC; jne >5 - | mov CFUNC:RB, [BASE+RA*8-24] - | cmp dword [BASE+RA*8-12], LJ_TTAB; jne >5 - | cmp dword [BASE+RA*8-4], LJ_TNIL; jne >5 - | cmp byte CFUNC:RB->ffid, FF_next_N; jne >5 - | branchPC RD - | mov dword [BASE+RA*8-8], 0 // Initialize control var. - |1: - | ins_next - |5: // Despecialize bytecode if any of the checks fail. - | mov PC_OP, BC_JMP - | branchPC RD - | mov byte [PC], BC_ITERC - | jmp <1 - break; - - case BC_VARG: - | ins_ABC // RA = base, RB = nresults+1, RC = numparams - | mov TMP1, KBASE // Need one more free register. - | lea KBASE, [BASE+RC*8+(8+FRAME_VARG)] - | lea RA, [BASE+RA*8] - | sub KBASE, [BASE-4] - | // Note: KBASE may now be even _above_ BASE if nargs was < numparams. - | test RB, RB - | jz >5 // Copy all varargs? - | lea RB, [RA+RB*8-8] - | cmp KBASE, BASE // No vararg slots? - | jnb >2 - |1: // Copy vararg slots to destination slots. - |.if X64 - | mov RCa, [KBASE-8] - | add KBASE, 8 - | mov [RA], RCa - |.else - | mov RC, [KBASE-8] - | mov [RA], RC - | mov RC, [KBASE-4] - | add KBASE, 8 - | mov [RA+4], RC - |.endif - | add RA, 8 - | cmp RA, RB // All destination slots filled? - | jnb >3 - | cmp KBASE, BASE // No more vararg slots? - | jb <1 - |2: // Fill up remainder with nil. - | mov dword [RA+4], LJ_TNIL - | add RA, 8 - | cmp RA, RB - | jb <2 - |3: - | mov KBASE, TMP1 - | ins_next - | - |5: // Copy all varargs. - | mov MULTRES, 1 // MULTRES = 0+1 - | mov RC, BASE - | sub RC, KBASE - | jbe <3 // No vararg slots? - | mov RB, RC - | shr RB, 3 - | add RB, 1 - | mov MULTRES, RB // MULTRES = #varargs+1 - | mov L:RB, SAVE_L - | add RC, RA - | cmp RC, L:RB->maxstack - | ja >7 // Need to grow stack? - |6: // Copy all vararg slots. - |.if X64 - | mov RCa, [KBASE-8] - | add KBASE, 8 - | mov [RA], RCa - |.else - | mov RC, [KBASE-8] - | mov [RA], RC - | mov RC, [KBASE-4] - | add KBASE, 8 - | mov [RA+4], RC - |.endif - | add RA, 8 - | cmp KBASE, BASE // No more vararg slots? - | jb <6 - | jmp <3 - | - |7: // Grow stack for varargs. - | mov L:RB->base, BASE - | mov L:RB->top, RA - | mov SAVE_PC, PC - | sub KBASE, BASE // Need delta, because BASE may change. - | mov FCARG2, MULTRES - | sub FCARG2, 1 - | mov FCARG1, L:RB - | call extern lj_state_growstack@8 // (lua_State *L, int n) - | mov BASE, L:RB->base - | mov RA, L:RB->top - | add KBASE, BASE - | jmp <6 - break; - - /* -- Returns ----------------------------------------------------------- */ - - case BC_RETM: - | ins_AD // RA = results, RD = extra_nresults - | add RD, MULTRES // MULTRES >=1, so RD >=1. - | // Fall through. Assumes BC_RET follows and ins_AD is a no-op. - break; - - case BC_RET: case BC_RET0: case BC_RET1: - | ins_AD // RA = results, RD = nresults+1 - if (op != BC_RET0) { - | shl RA, 3 - } - |1: - | mov PC, [BASE-4] - | mov MULTRES, RD // Save nresults+1. - | test PC, FRAME_TYPE // Check frame type marker. - | jnz >7 // Not returning to a fixarg Lua func? - switch (op) { - case BC_RET: - |->BC_RET_Z: - | mov KBASE, BASE // Use KBASE for result move. - | sub RD, 1 - | jz >3 - |2: // Move results down. - |.if X64 - | mov RBa, [KBASE+RA] - | mov [KBASE-8], RBa - |.else - | mov RB, [KBASE+RA] - | mov [KBASE-8], RB - | mov RB, [KBASE+RA+4] - | mov [KBASE-4], RB - |.endif - | add KBASE, 8 - | sub RD, 1 - | jnz <2 - |3: - | mov RD, MULTRES // Note: MULTRES may be >255. - | movzx RB, PC_RB // So cannot compare with RDL! - |5: - | cmp RB, RD // More results expected? - | ja >6 - break; - case BC_RET1: - |.if X64 - | mov RBa, [BASE+RA] - | mov [BASE-8], RBa - |.else - | mov RB, [BASE+RA+4] - | mov [BASE-4], RB - | mov RB, [BASE+RA] - | mov [BASE-8], RB - |.endif - /* fallthrough */ - case BC_RET0: - |5: - | cmp PC_RB, RDL // More results expected? - | ja >6 - default: - break; - } - | movzx RA, PC_RA - | not RAa // Note: ~RA = -(RA+1) - | lea BASE, [BASE+RA*8] // base = base - (RA+1)*8 - | mov LFUNC:KBASE, [BASE-8] - | mov KBASE, LFUNC:KBASE->pc - | mov KBASE, [KBASE+PC2PROTO(k)] - | ins_next - | - |6: // Fill up results with nil. - if (op == BC_RET) { - | mov dword [KBASE-4], LJ_TNIL // Note: relies on shifted base. - | add KBASE, 8 - } else { - | mov dword [BASE+RD*8-12], LJ_TNIL - } - | add RD, 1 - | jmp <5 - | - |7: // Non-standard return case. - | lea RB, [PC-FRAME_VARG] - | test RB, FRAME_TYPEP - | jnz ->vm_return - | // Return from vararg function: relocate BASE down and RA up. - | sub BASE, RB - if (op != BC_RET0) { - | add RA, RB - } - | jmp <1 - break; - - /* -- Loops and branches ------------------------------------------------ */ - - |.define FOR_IDX, [RA]; .define FOR_TIDX, dword [RA+4] - |.define FOR_STOP, [RA+8]; .define FOR_TSTOP, dword [RA+12] - |.define FOR_STEP, [RA+16]; .define FOR_TSTEP, dword [RA+20] - |.define FOR_EXT, [RA+24]; .define FOR_TEXT, dword [RA+28] - - case BC_FORL: -#if LJ_HASJIT - | hotloop RB -#endif - | // Fall through. Assumes BC_IFORL follows and ins_AJ is a no-op. - break; - - case BC_JFORI: - case BC_JFORL: -#if !LJ_HASJIT - break; -#endif - case BC_FORI: - case BC_IFORL: - vk = (op == BC_IFORL || op == BC_JFORL); - | ins_AJ // RA = base, RD = target (after end of loop or start of loop) - | lea RA, [BASE+RA*8] - if (LJ_DUALNUM) { - | cmp FOR_TIDX, LJ_TISNUM; jne >9 - if (!vk) { - | cmp FOR_TSTOP, LJ_TISNUM; jne ->vmeta_for - | cmp FOR_TSTEP, LJ_TISNUM; jne ->vmeta_for - | mov RB, dword FOR_IDX - | cmp dword FOR_STEP, 0; jl >5 - } else { -#ifdef LUA_USE_ASSERT - | cmp FOR_TSTOP, LJ_TISNUM; jne ->assert_bad_for_arg_type - | cmp FOR_TSTEP, LJ_TISNUM; jne ->assert_bad_for_arg_type -#endif - | mov RB, dword FOR_STEP - | test RB, RB; js >5 - | add RB, dword FOR_IDX; jo >1 - | mov dword FOR_IDX, RB - } - | cmp RB, dword FOR_STOP - | mov FOR_TEXT, LJ_TISNUM - | mov dword FOR_EXT, RB - if (op == BC_FORI) { - | jle >7 - |1: - |6: - | branchPC RD - } else if (op == BC_JFORI) { - | branchPC RD - | movzx RD, PC_RD - | jle =>BC_JLOOP - |1: - |6: - } else if (op == BC_IFORL) { - | jg >7 - |6: - | branchPC RD - |1: - } else { - | jle =>BC_JLOOP - |1: - |6: - } - |7: - | ins_next - | - |5: // Invert check for negative step. - if (vk) { - | add RB, dword FOR_IDX; jo <1 - | mov dword FOR_IDX, RB - } - | cmp RB, dword FOR_STOP - | mov FOR_TEXT, LJ_TISNUM - | mov dword FOR_EXT, RB - if (op == BC_FORI) { - | jge <7 - } else if (op == BC_JFORI) { - | branchPC RD - | movzx RD, PC_RD - | jge =>BC_JLOOP - } else if (op == BC_IFORL) { - | jl <7 - } else { - | jge =>BC_JLOOP - } - | jmp <6 - |9: // Fallback to FP variant. - } else if (!vk) { - | cmp FOR_TIDX, LJ_TISNUM - } - if (!vk) { - | jae ->vmeta_for - | cmp FOR_TSTOP, LJ_TISNUM; jae ->vmeta_for - } else { -#ifdef LUA_USE_ASSERT - | cmp FOR_TSTOP, LJ_TISNUM; jae ->assert_bad_for_arg_type - | cmp FOR_TSTEP, LJ_TISNUM; jae ->assert_bad_for_arg_type -#endif - } - | mov RB, FOR_TSTEP // Load type/hiword of for step. - if (!vk) { - | cmp RB, LJ_TISNUM; jae ->vmeta_for - } - if (sse) { - | movsd xmm0, qword FOR_IDX - | movsd xmm1, qword FOR_STOP - if (vk) { - | addsd xmm0, qword FOR_STEP - | movsd qword FOR_IDX, xmm0 - | test RB, RB; js >3 - } else { - | jl >3 - } - | ucomisd xmm1, xmm0 - |1: - | movsd qword FOR_EXT, xmm0 - } else { - | fld qword FOR_STOP - | fld qword FOR_IDX - if (vk) { - | fadd qword FOR_STEP // nidx = idx + step - | fst qword FOR_IDX - | fst qword FOR_EXT - | test RB, RB; js >1 - } else { - | fst qword FOR_EXT - | jl >1 - } - | fxch // Swap lim/(n)idx if step non-negative. - |1: - | fcomparepp // eax (RD) modified if !cmov. - if (!cmov) { - | movzx RD, PC_RD // Need to reload RD. - } - } - if (op == BC_FORI) { - if (LJ_DUALNUM) { - | jnb <7 - } else { - | jnb >2 - | branchPC RD - } - } else if (op == BC_JFORI) { - | branchPC RD - | movzx RD, PC_RD - | jnb =>BC_JLOOP - } else if (op == BC_IFORL) { - if (LJ_DUALNUM) { - | jb <7 - } else { - | jb >2 - | branchPC RD - } - } else { - | jnb =>BC_JLOOP - } - if (LJ_DUALNUM) { - | jmp <6 - } else { - |2: - | ins_next - } - if (sse) { - |3: // Invert comparison if step is negative. - | ucomisd xmm0, xmm1 - | jmp <1 - } - break; - - case BC_ITERL: -#if LJ_HASJIT - | hotloop RB -#endif - | // Fall through. Assumes BC_IITERL follows and ins_AJ is a no-op. - break; - - case BC_JITERL: -#if !LJ_HASJIT - break; -#endif - case BC_IITERL: - | ins_AJ // RA = base, RD = target - | lea RA, [BASE+RA*8] - | mov RB, [RA+4] - | cmp RB, LJ_TNIL; je >1 // Stop if iterator returned nil. - if (op == BC_JITERL) { - | mov [RA-4], RB - | mov RB, [RA] - | mov [RA-8], RB - | jmp =>BC_JLOOP - } else { - | branchPC RD // Otherwise save control var + branch. - | mov RD, [RA] - | mov [RA-4], RB - | mov [RA-8], RD - } - |1: - | ins_next - break; - - case BC_LOOP: - | ins_A // RA = base, RD = target (loop extent) - | // Note: RA/RD is only used by trace recorder to determine scope/extent - | // This opcode does NOT jump, it's only purpose is to detect a hot loop. -#if LJ_HASJIT - | hotloop RB -#endif - | // Fall through. Assumes BC_ILOOP follows and ins_A is a no-op. - break; - - case BC_ILOOP: - | ins_A // RA = base, RD = target (loop extent) - | ins_next - break; - - case BC_JLOOP: -#if LJ_HASJIT - | ins_AD // RA = base (ignored), RD = traceno - | mov RA, [DISPATCH+DISPATCH_J(trace)] - | mov TRACE:RD, [RA+RD*4] - | mov RDa, TRACE:RD->mcode - | mov L:RB, SAVE_L - | mov [DISPATCH+DISPATCH_GL(jit_base)], BASE - | mov [DISPATCH+DISPATCH_GL(jit_L)], L:RB - | // Save additional callee-save registers only used in compiled code. - |.if X64WIN - | mov TMPQ, r12 - | mov TMPa, r13 - | mov CSAVE_4, r14 - | mov CSAVE_3, r15 - | mov RAa, rsp - | sub rsp, 9*16+4*8 - | movdqa [RAa], xmm6 - | movdqa [RAa-1*16], xmm7 - | movdqa [RAa-2*16], xmm8 - | movdqa [RAa-3*16], xmm9 - | movdqa [RAa-4*16], xmm10 - | movdqa [RAa-5*16], xmm11 - | movdqa [RAa-6*16], xmm12 - | movdqa [RAa-7*16], xmm13 - | movdqa [RAa-8*16], xmm14 - | movdqa [RAa-9*16], xmm15 - |.elif X64 - | mov TMPQ, r12 - | mov TMPa, r13 - | sub rsp, 16 - |.endif - | jmp RDa -#endif - break; - - case BC_JMP: - | ins_AJ // RA = unused, RD = target - | branchPC RD - | ins_next - break; - - /* -- Function headers -------------------------------------------------- */ - - /* - ** Reminder: A function may be called with func/args above L->maxstack, - ** i.e. occupying EXTRA_STACK slots. And vmeta_call may add one extra slot, - ** too. This means all FUNC* ops (including fast functions) must check - ** for stack overflow _before_ adding more slots! - */ - - case BC_FUNCF: -#if LJ_HASJIT - | hotcall RB -#endif - case BC_FUNCV: /* NYI: compiled vararg functions. */ - | // Fall through. Assumes BC_IFUNCF/BC_IFUNCV follow and ins_AD is a no-op. - break; - - case BC_JFUNCF: -#if !LJ_HASJIT - break; -#endif - case BC_IFUNCF: - | ins_AD // BASE = new base, RA = framesize, RD = nargs+1 - | mov KBASE, [PC-4+PC2PROTO(k)] - | mov L:RB, SAVE_L - | lea RA, [BASE+RA*8] // Top of frame. - | cmp RA, L:RB->maxstack - | ja ->vm_growstack_f - | movzx RA, byte [PC-4+PC2PROTO(numparams)] - | cmp NARGS:RD, RA // Check for missing parameters. - | jbe >3 - |2: - if (op == BC_JFUNCF) { - | movzx RD, PC_RD - | jmp =>BC_JLOOP - } else { - | ins_next - } - | - |3: // Clear missing parameters. - | mov dword [BASE+NARGS:RD*8-4], LJ_TNIL - | add NARGS:RD, 1 - | cmp NARGS:RD, RA - | jbe <3 - | jmp <2 - break; - - case BC_JFUNCV: -#if !LJ_HASJIT - break; -#endif - | int3 // NYI: compiled vararg functions - break; /* NYI: compiled vararg functions. */ - - case BC_IFUNCV: - | ins_AD // BASE = new base, RA = framesize, RD = nargs+1 - | lea RB, [NARGS:RD*8+FRAME_VARG] - | lea RD, [BASE+NARGS:RD*8] - | mov LFUNC:KBASE, [BASE-8] - | mov [RD-4], RB // Store delta + FRAME_VARG. - | mov [RD-8], LFUNC:KBASE // Store copy of LFUNC. - | mov L:RB, SAVE_L - | lea RA, [RD+RA*8] - | cmp RA, L:RB->maxstack - | ja ->vm_growstack_v // Need to grow stack. - | mov RA, BASE - | mov BASE, RD - | movzx RB, byte [PC-4+PC2PROTO(numparams)] - | test RB, RB - | jz >2 - |1: // Copy fixarg slots up to new frame. - | add RA, 8 - | cmp RA, BASE - | jnb >3 // Less args than parameters? - | mov KBASE, [RA-8] - | mov [RD], KBASE - | mov KBASE, [RA-4] - | mov [RD+4], KBASE - | add RD, 8 - | mov dword [RA-4], LJ_TNIL // Clear old fixarg slot (help the GC). - | sub RB, 1 - | jnz <1 - |2: - if (op == BC_JFUNCV) { - | movzx RD, PC_RD - | jmp =>BC_JLOOP - } else { - | mov KBASE, [PC-4+PC2PROTO(k)] - | ins_next - } - | - |3: // Clear missing parameters. - | mov dword [RD+4], LJ_TNIL - | add RD, 8 - | sub RB, 1 - | jnz <3 - | jmp <2 - break; - - case BC_FUNCC: - case BC_FUNCCW: - | ins_AD // BASE = new base, RA = ins RA|RD (unused), RD = nargs+1 - | mov CFUNC:RB, [BASE-8] - | mov KBASEa, CFUNC:RB->f - | mov L:RB, SAVE_L - | lea RD, [BASE+NARGS:RD*8-8] - | mov L:RB->base, BASE - | lea RA, [RD+8*LUA_MINSTACK] - | cmp RA, L:RB->maxstack - | mov L:RB->top, RD - if (op == BC_FUNCC) { - |.if X64 - | mov CARG1d, L:RB // Caveat: CARG1d may be RA. - |.else - | mov ARG1, L:RB - |.endif - } else { - |.if X64 - | mov CARG2, KBASEa - | mov CARG1d, L:RB // Caveat: CARG1d may be RA. - |.else - | mov ARG2, KBASEa - | mov ARG1, L:RB - |.endif - } - | ja ->vm_growstack_c // Need to grow stack. - | set_vmstate C - if (op == BC_FUNCC) { - | call KBASEa // (lua_State *L) - } else { - | // (lua_State *L, lua_CFunction f) - | call aword [DISPATCH+DISPATCH_GL(wrapf)] - } - | set_vmstate INTERP - | // nresults returned in eax (RD). - | mov BASE, L:RB->base - | lea RA, [BASE+RD*8] - | neg RA - | add RA, L:RB->top // RA = (L->top-(L->base+nresults))*8 - | mov PC, [BASE-4] // Fetch PC of caller. - | jmp ->vm_returnc - break; - - /* ---------------------------------------------------------------------- */ - - default: - fprintf(stderr, "Error: undefined opcode BC_%s\n", bc_names[op]); - exit(2); - break; - } -} - -static int build_backend(BuildCtx *ctx) -{ - int op; - int cmov = 1; - int sse = 0; -#ifdef LUAJIT_CPU_NOCMOV - cmov = 0; -#endif -#if defined(LUAJIT_CPU_SSE2) || defined(LJ_TARGET_X64) - sse = 1; -#endif - - dasm_growpc(Dst, BC__MAX); - - build_subroutines(ctx, cmov, sse); - - |.code_op - for (op = 0; op < BC__MAX; op++) - build_ins(ctx, (BCOp)op, op, cmov, sse); - - return BC__MAX; -} - -/* Emit pseudo frame-info for all assembler functions. */ -static void emit_asm_debug(BuildCtx *ctx) -{ - int fcofs = (int)((uint8_t *)ctx->glob[GLOB_vm_ffi_call] - ctx->code); -#if LJ_64 -#define SZPTR "8" -#define BSZPTR "3" -#define REG_SP "0x7" -#define REG_RA "0x10" -#else -#define SZPTR "4" -#define BSZPTR "2" -#define REG_SP "0x4" -#define REG_RA "0x8" -#endif - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, "\t.section .debug_frame,\"\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe0:\n" - "\t.long .LECIE0-.LSCIE0\n" - ".LSCIE0:\n" - "\t.long 0xffffffff\n" - "\t.byte 0x1\n" - "\t.string \"\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE0:\n\n"); - fprintf(ctx->fp, - ".LSFDE0:\n" - "\t.long .LEFDE0-.LASFDE0\n" - ".LASFDE0:\n" - "\t.long .Lframe0\n" -#if LJ_64 - "\t.quad .Lbegin\n" - "\t.quad %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.long .Lbegin\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE0:\n\n", fcofs, CFRAME_SIZE); -#if LJ_HASFFI - fprintf(ctx->fp, - ".LSFDE1:\n" - "\t.long .LEFDE1-.LASFDE1\n" - ".LASFDE1:\n" - "\t.long .Lframe0\n" -#if LJ_64 - "\t.quad lj_vm_ffi_call\n" - "\t.quad %d\n" - "\t.byte 0xe\n\t.uleb128 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ -#else - "\t.long lj_vm_ffi_call\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 8\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0xd\n\t.uleb128 0x5\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE1:\n\n", (int)ctx->codesz - fcofs); -#endif -#if (defined(__sun__) && defined(__svr4__)) || defined(__solaris_) - fprintf(ctx->fp, "\t.section .eh_frame,\"aw\",@progbits\n"); -#else - fprintf(ctx->fp, "\t.section .eh_frame,\"a\",@progbits\n"); -#endif - fprintf(ctx->fp, - ".Lframe1:\n" - "\t.long .LECIE1-.LSCIE1\n" - ".LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zPR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 6\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.long lj_err_unwind_dwarf-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE1:\n\n"); - fprintf(ctx->fp, - ".LSFDE2:\n" - "\t.long .LEFDE2-.LASFDE2\n" - ".LASFDE2:\n" - "\t.long .LASFDE2-.Lframe1\n" - "\t.long .Lbegin-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE2:\n\n", fcofs, CFRAME_SIZE); -#if LJ_HASFFI - fprintf(ctx->fp, - ".Lframe2:\n" - "\t.long .LECIE2-.LSCIE2\n" - ".LSCIE2:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 1\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE2:\n\n"); - fprintf(ctx->fp, - ".LSFDE3:\n" - "\t.long .LEFDE3-.LASFDE3\n" - ".LASFDE3:\n" - "\t.long .LASFDE3-.Lframe2\n" - "\t.long lj_vm_ffi_call-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0xe\n\t.uleb128 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ -#else - "\t.byte 0xe\n\t.uleb128 8\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0xd\n\t.uleb128 0x5\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE3:\n\n", (int)ctx->codesz - fcofs); -#endif - break; - case BUILD_coffasm: - fprintf(ctx->fp, "\t.section .eh_frame,\"dr\"\n"); - fprintf(ctx->fp, - "\t.def %slj_err_unwind_dwarf; .scl 2; .type 32; .endef\n", - LJ_32 ? "_" : ""); - fprintf(ctx->fp, - "Lframe1:\n" - "\t.long LECIE1-LSCIE1\n" - "LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zP\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 5\n" /* augmentation length */ - "\t.byte 0x00\n" /* absptr */ - "\t.long %slj_err_unwind_dwarf\n" - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - "LECIE1:\n\n", LJ_32 ? "_" : ""); - fprintf(ctx->fp, - "LSFDE1:\n" - "\t.long LEFDE1-LASFDE1\n" - "LASFDE1:\n" - "\t.long LASFDE1-Lframe1\n" - "\t.long %slj_vm_asm_begin\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - "LEFDE1:\n\n", LJ_32 ? "_" : "", (int)ctx->codesz, CFRAME_SIZE); - break; - /* Mental note: never let Apple design an assembler. - ** Or a linker. Or a plastic case. But I digress. - */ - case BUILD_machasm: { -#if LJ_HASFFI - int fcsize = 0; -#endif - int i; - fprintf(ctx->fp, "\t.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support\n"); - fprintf(ctx->fp, - "EH_frame1:\n" - "\t.set L$set$x,LECIEX-LSCIEX\n" - "\t.long L$set$x\n" - "LSCIEX:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.ascii \"zPR\\0\"\n" - "\t.byte 0x1\n" - "\t.byte 128-" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 6\n" /* augmentation length */ - "\t.byte 0x9b\n" /* indirect|pcrel|sdata4 */ -#if LJ_64 - "\t.long _lj_err_unwind_dwarf+4@GOTPCREL\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte " REG_SP "\n\t.byte " SZPTR "\n" -#else - "\t.long L_lj_err_unwind_dwarf$non_lazy_ptr-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte 0x5\n\t.byte 0x4\n" /* esp=5 on 32 bit MACH-O. */ -#endif - "\t.byte 0x80+" REG_RA "\n\t.byte 0x1\n" - "\t.align " BSZPTR "\n" - "LECIEX:\n\n"); - for (i = 0; i < ctx->nsym; i++) { - const char *name = ctx->sym[i].name; - int32_t size = ctx->sym[i+1].ofs - ctx->sym[i].ofs; - if (size == 0) continue; -#if LJ_HASFFI - if (!strcmp(name, "_lj_vm_ffi_call")) { fcsize = size; continue; } -#endif - fprintf(ctx->fp, - "%s.eh:\n" - "LSFDE%d:\n" - "\t.set L$set$%d,LEFDE%d-LASFDE%d\n" - "\t.long L$set$%d\n" - "LASFDE%d:\n" - "\t.long LASFDE%d-EH_frame1\n" - "\t.long %s-.\n" - "\t.long %d\n" - "\t.byte 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.byte %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.byte 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.byte 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.byte 0x5\n" /* offset r14 */ -#else - "\t.byte 0x84\n\t.byte 0x2\n" /* offset ebp (4 for MACH-O)*/ - "\t.byte 0x87\n\t.byte 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.byte 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.byte 0x5\n" /* offset ebx */ -#endif - "\t.align " BSZPTR "\n" - "LEFDE%d:\n\n", - name, i, i, i, i, i, i, i, name, size, CFRAME_SIZE, i); - } -#if LJ_HASFFI - if (fcsize) { - fprintf(ctx->fp, - "EH_frame2:\n" - "\t.set L$set$y,LECIEY-LSCIEY\n" - "\t.long L$set$y\n" - "LSCIEY:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.ascii \"zR\\0\"\n" - "\t.byte 0x1\n" - "\t.byte 128-" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 1\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte " REG_SP "\n\t.byte " SZPTR "\n" -#else - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte 0x5\n\t.byte 0x4\n" /* esp=5 on 32 bit MACH. */ -#endif - "\t.byte 0x80+" REG_RA "\n\t.byte 0x1\n" - "\t.align " BSZPTR "\n" - "LECIEY:\n\n"); - fprintf(ctx->fp, - "_lj_vm_ffi_call.eh:\n" - "LSFDEY:\n" - "\t.set L$set$yy,LEFDEY-LASFDEY\n" - "\t.long L$set$yy\n" - "LASFDEY:\n" - "\t.long LASFDEY-EH_frame2\n" - "\t.long _lj_vm_ffi_call-.\n" - "\t.long %d\n" - "\t.byte 0\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0xe\n\t.byte 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.byte 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset rbx */ -#else - "\t.byte 0xe\n\t.byte 8\n" /* def_cfa_offset */ - "\t.byte 0x84\n\t.byte 0x2\n" /* offset ebp (4 for MACH-O)*/ - "\t.byte 0xd\n\t.uleb128 0x4\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset ebx */ -#endif - "\t.align " BSZPTR "\n" - "LEFDEY:\n\n", fcsize); - } -#endif -#if LJ_64 - fprintf(ctx->fp, "\t.subsections_via_symbols\n"); -#else - fprintf(ctx->fp, - "\t.non_lazy_symbol_pointer\n" - "L_lj_err_unwind_dwarf$non_lazy_ptr:\n" - ".indirect_symbol _lj_err_unwind_dwarf\n" - ".long 0\n"); -#endif - } - break; - default: /* Difficult for other modes. */ - break; - } -} - diff --git a/libraries/luajit-2.0/src/buildvm_x86.h b/libraries/luajit-2.0/src/buildvm_x86.h deleted file mode 100644 index cd33cf8..0000000 --- a/libraries/luajit-2.0/src/buildvm_x86.h +++ /dev/null @@ -1,3561 +0,0 @@ -/* -** This file has been pre-processed with DynASM. -** http://luajit.org/dynasm.html -** DynASM version 1.3.0, DynASM x86 version 1.3.0 -** DO NOT EDIT! The original file is in "buildvm_x86.dasc". -*/ - -#if DASM_VERSION != 10300 -#error "Version mismatch between DynASM and included encoding engine" -#endif - -#define DASM_SECTION_CODE_OP 0 -#define DASM_SECTION_CODE_SUB 1 -#define DASM_MAXSECTION 2 -static const unsigned char build_actionlist[17321] = { - 254,1,248,10,252,247,198,237,15,132,244,11,131,230,252,248,41,252,242,141, - 76,49,252,248,139,114,252,252,199,68,10,4,237,248,12,131,192,1,137,68,36, - 20,252,247,198,237,15,132,244,13,248,14,129,252,246,239,252,247,198,237,15, - 133,244,10,199,131,233,237,131,230,252,248,41,214,252,247,222,131,232,1,15, - 132,244,248,248,1,139,44,10,137,106,252,248,139,108,10,4,137,106,252,252, - 131,194,8,131,232,1,15,133,244,1,248,2,255,139,108,36,48,137,181,233,248, - 3,139,68,36,20,139,76,36,56,248,4,57,193,15,133,244,252,248,5,131,252,234, - 8,137,149,233,248,15,139,76,36,52,137,141,233,49,192,248,16,131,196,28,91, - 94,95,93,195,248,6,15,130,244,253,59,149,233,15,135,244,254,199,66,252,252, - 237,131,194,8,131,192,1,252,233,244,4,248,7,255,133,201,15,132,244,5,41,193, - 141,20,202,252,233,244,5,248,8,137,149,233,137,68,36,20,137,202,137,252,233, - 232,251,1,0,139,149,233,252,233,244,3,248,17,137,208,137,204,248,18,139,108, - 36,48,139,173,233,199,133,233,237,252,233,244,16,248,19,248,20,129,225,239, - 137,204,248,21,255,139,108,36,48,185,252,248,252,255,252,255,252,255,184, - 237,139,149,233,139,157,233,129,195,239,139,114,252,252,199,66,252,252,237, - 199,131,233,237,252,233,244,12,248,22,186,237,252,233,244,248,248,23,131, - 232,8,252,233,244,247,248,24,141,68,194,252,248,248,1,15,182,142,233,131, - 198,4,137,149,233,255,137,133,233,137,116,36,24,137,202,248,2,137,252,233, - 232,251,1,0,139,149,233,139,133,233,139,106,252,248,41,208,193,232,3,131, - 192,1,139,181,233,139,14,15,182,252,233,15,182,205,131,198,4,252,255,36,171, - 248,25,85,87,86,83,131,252,236,28,139,108,36,48,139,76,36,52,190,237,49,192, - 141,188,253,36,233,139,157,233,129,195,239,137,189,233,137,68,36,24,137,68, - 36,52,56,133,233,15,132,244,249,199,131,233,237,136,133,233,139,149,233,139, - 133,233,41,200,193,232,3,131,192,1,41,209,139,114,252,252,137,68,36,20,252, - 247,198,237,255,15,132,244,13,252,233,244,14,248,26,85,87,86,83,131,252,236, - 28,190,237,252,233,244,247,248,27,85,87,86,83,131,252,236,28,190,237,248, - 1,139,108,36,48,139,76,36,52,139,189,233,137,124,36,52,137,108,36,24,137, - 165,233,248,2,139,157,233,129,195,239,248,3,199,131,233,237,139,149,233,255, - 1,206,41,214,139,133,233,41,200,193,232,3,131,192,1,248,28,139,105,252,248, - 129,121,253,252,252,239,15,133,244,29,248,30,137,202,137,114,252,252,139, - 181,233,139,14,15,182,252,233,15,182,205,131,198,4,252,255,36,171,248,31, - 85,87,86,83,131,252,236,28,139,108,36,48,139,68,36,56,139,76,36,52,139,84, - 36,60,137,108,36,24,139,189,233,43,189,233,199,68,36,60,0,0,0,0,137,124,36, - 56,137,68,36,8,137,76,36,4,137,44,36,139,189,233,137,124,36,52,137,165,233, - 252,255,210,133,192,15,132,244,15,137,193,190,237,252,233,244,2,248,11,1, - 209,131,230,252,248,137,213,41,252,242,199,68,193,252,252,237,137,200,139, - 117,252,244,255,139,77,252,240,255,131,252,249,1,15,134,244,247,255,139,122, - 252,248,139,191,233,139,191,233,252,255,225,255,248,1,15,132,244,32,41,213, - 193,252,237,3,141,69,252,255,252,233,244,33,255,248,34,15,182,78,252,255, - 131,252,237,16,141,12,202,41,252,233,15,132,244,35,252,247,217,193,252,233, - 3,137,76,36,8,139,72,4,139,0,137,77,4,137,69,0,137,108,36,4,252,233,244,36, - 248,37,137,68,36,16,199,68,36,20,237,141,68,36,16,128,126,252,252,235,15, - 133,244,247,141,139,233,137,41,199,65,4,237,137,205,252,233,244,248,248,38, - 15,182,70,252,254,255,199,68,36,20,237,137,68,36,16,255,252,242,15,42,192, - 252,242,15,17,68,36,16,255,137,68,36,12,219,68,36,12,221,92,36,16,255,141, - 68,36,16,252,233,244,247,248,39,15,182,70,252,254,141,4,194,248,1,15,182, - 110,252,255,141,44,252,234,248,2,137,108,36,4,139,108,36,48,137,68,36,8,137, - 44,36,137,149,233,137,116,36,24,232,251,1,1,139,149,233,133,192,15,132,244, - 249,248,35,15,182,78,252,253,139,104,4,139,0,137,108,202,4,137,4,202,139, - 6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,248,3,139,141, - 233,137,113,252,244,141,177,233,41,214,139,105,252,248,184,237,252,233,244, - 30,248,40,137,68,36,16,199,68,36,20,237,141,68,36,16,128,126,252,252,235, - 15,133,244,247,255,141,139,233,137,41,199,65,4,237,137,205,252,233,244,248, - 248,41,15,182,70,252,254,255,141,68,36,16,252,233,244,247,248,42,15,182,70, - 252,254,141,4,194,248,1,15,182,110,252,255,141,44,252,234,248,2,137,108,36, - 4,139,108,36,48,137,68,36,8,137,44,36,137,149,233,137,116,36,24,232,251,1, - 2,139,149,233,133,192,15,132,244,249,15,182,78,252,253,139,108,202,4,139, - 12,202,137,104,4,137,8,248,43,139,6,15,182,204,15,182,232,131,198,4,193,232, - 16,252,255,36,171,248,3,139,141,233,137,113,252,244,15,182,70,252,253,139, - 108,194,4,139,4,194,137,105,20,137,65,16,141,177,233,41,214,139,105,252,248, - 184,237,252,233,244,30,248,44,15,182,110,252,252,141,4,194,141,12,202,137, - 108,36,12,139,108,36,48,137,68,36,8,137,76,36,4,137,44,36,137,149,233,137, - 116,36,24,232,251,1,3,248,3,139,149,233,255,131,252,248,1,15,135,244,45,248, - 4,141,118,4,15,130,244,252,248,5,15,183,70,252,254,141,180,253,134,233,248, - 6,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,248,46, - 131,198,4,129,120,253,4,239,15,130,244,5,252,233,244,6,248,47,129,120,253, - 4,239,252,233,244,4,248,48,131,252,238,4,137,108,36,12,139,108,36,48,137, - 68,36,8,137,76,36,4,137,44,36,137,149,233,255,137,116,36,24,232,251,1,4,252, - 233,244,3,248,49,255,131,252,238,4,139,108,36,48,137,149,233,137,252,233, - 139,86,252,252,137,116,36,24,232,251,1,5,252,233,244,3,255,248,50,255,15, - 182,110,252,255,255,248,51,141,4,199,252,233,244,247,248,52,255,248,53,141, - 4,199,141,44,252,234,149,252,233,244,248,248,54,141,4,194,137,197,252,233, - 244,248,248,55,255,248,56,141,4,194,248,1,141,44,252,234,248,2,141,12,202, - 137,108,36,8,139,108,36,48,137,68,36,12,15,182,70,252,252,137,76,36,4,137, - 68,36,16,137,44,36,137,149,233,137,116,36,24,232,251,1,6,139,149,233,133, - 192,15,132,244,43,248,45,137,193,41,208,137,113,252,244,141,176,233,184,237, - 252,233,244,28,248,57,139,108,36,48,137,149,233,141,20,194,137,252,233,137, - 116,36,24,232,251,1,7,139,149,233,255,133,192,15,133,244,45,15,183,70,252, - 254,139,12,194,252,233,244,58,255,252,233,244,45,255,248,59,141,76,202,8, - 248,29,137,76,36,20,137,68,36,16,131,252,233,8,141,4,193,139,108,36,48,137, - 76,36,4,137,68,36,8,137,44,36,137,149,233,137,116,36,24,232,251,1,8,139,149, - 233,139,76,36,20,139,68,36,16,139,105,252,248,131,192,1,57,215,15,132,244, - 60,137,202,137,114,252,252,139,181,233,139,14,15,182,252,233,15,182,205,131, - 198,4,252,255,36,171,248,61,139,108,36,48,137,149,233,137,202,137,252,233, - 137,116,36,24,232,251,1,9,139,149,233,139,70,252,252,15,182,204,15,182,232, - 193,232,16,252,255,164,253,171,233,248,62,129,252,248,239,15,130,244,63,139, - 106,4,129,252,253,239,15,131,244,63,139,114,252,252,137,68,36,20,137,106, - 252,252,139,42,137,106,252,248,131,232,2,15,132,244,248,255,137,209,248,1, - 131,193,8,139,105,4,137,105,252,252,139,41,137,105,252,248,131,232,1,15,133, - 244,1,248,2,139,68,36,20,252,233,244,64,248,65,129,252,248,239,15,130,244, - 63,139,106,4,184,237,252,247,213,57,232,255,15,71,197,255,15,134,244,247, - 137,232,248,1,255,248,2,139,106,252,248,139,132,253,197,233,139,114,252,252, - 199,66,252,252,237,137,66,252,248,252,233,244,66,248,67,129,252,248,239,15, - 130,244,63,139,106,4,139,114,252,252,129,252,253,239,15,133,244,252,248,1, - 139,42,139,173,233,248,2,133,252,237,199,66,252,252,237,15,132,244,66,139, - 131,233,199,66,252,252,237,255,137,106,252,248,139,141,233,35,136,233,105, - 201,239,3,141,233,248,3,129,185,233,239,15,133,244,250,57,129,233,15,132, - 244,251,248,4,139,137,233,133,201,15,133,244,3,252,233,244,66,248,5,139,105, - 4,129,252,253,239,255,15,132,244,66,139,1,137,106,252,252,137,66,252,248, - 252,233,244,66,248,6,129,252,253,239,15,132,244,1,129,252,253,239,15,135, - 244,254,189,237,248,8,252,247,213,139,172,253,171,233,252,233,244,2,248,68, - 129,252,248,239,15,130,244,63,255,129,122,253,4,239,15,133,244,63,139,42, - 131,189,233,0,15,133,244,63,129,122,253,12,239,15,133,244,63,139,66,8,137, - 133,233,139,114,252,252,199,66,252,252,237,137,106,252,248,252,246,133,233, - 235,15,132,244,247,128,165,233,235,139,131,233,137,171,233,137,133,233,248, - 1,255,252,233,244,66,248,69,129,252,248,239,15,130,244,63,129,122,253,4,239, - 15,133,244,63,139,2,139,108,36,48,137,68,36,4,137,44,36,137,213,131,194,8, - 137,84,36,8,232,251,1,10,137,252,234,139,40,139,64,4,139,114,252,252,137, - 106,252,248,137,66,252,252,252,233,244,66,248,70,129,252,248,239,15,133,244, - 63,129,122,253,4,239,255,15,133,244,247,139,42,252,233,244,71,248,1,15,135, - 244,63,255,15,131,244,63,255,252,242,15,16,2,252,233,244,72,255,221,2,252, - 233,244,73,255,248,74,129,252,248,239,15,130,244,63,139,114,252,252,129,122, - 253,4,239,15,133,244,249,139,2,248,2,199,66,252,252,237,137,66,252,248,252, - 233,244,66,248,3,129,122,253,4,239,15,135,244,63,131,187,233,0,15,133,244, - 63,139,171,233,59,171,233,255,15,130,244,247,232,244,75,248,1,139,108,36, - 48,137,149,233,137,116,36,24,137,252,233,255,232,251,1,11,255,232,251,1,12, - 255,139,149,233,252,233,244,2,248,76,129,252,248,239,15,130,244,63,15,132, - 244,248,248,1,129,122,253,4,239,15,133,244,63,139,108,36,48,137,149,233,137, - 149,233,139,114,252,252,139,2,137,68,36,4,137,44,36,131,194,8,137,84,36,8, - 137,116,36,24,232,251,1,13,139,149,233,133,192,15,132,244,249,139,106,8,139, - 66,12,137,106,252,248,137,66,252,252,139,106,16,139,66,20,137,42,137,66,4, - 248,77,184,237,255,252,233,244,78,248,2,199,66,12,237,252,233,244,1,248,3, - 199,66,252,252,237,252,233,244,66,248,79,129,252,248,239,15,130,244,63,139, - 42,129,122,253,4,239,15,133,244,63,255,131,189,233,0,15,133,244,63,255,139, - 106,252,248,139,133,233,139,114,252,252,199,66,252,252,237,137,66,252,248, - 199,66,12,237,184,237,252,233,244,78,248,80,129,252,248,239,15,130,244,63, - 129,122,253,4,239,15,133,244,63,129,122,253,12,239,255,139,114,252,252,255, - 139,66,8,131,192,1,199,66,252,252,237,137,66,252,248,255,252,242,15,16,66, - 8,189,0,0,252,240,63,102,15,110,205,102,15,112,201,81,252,242,15,88,193,252, - 242,15,45,192,252,242,15,17,66,252,248,255,221,66,8,217,232,222,193,219,20, - 36,221,90,252,248,139,4,36,255,139,42,59,133,233,15,131,244,248,193,224,3, - 3,133,233,248,1,129,120,253,4,239,15,132,244,81,139,40,139,64,4,137,42,137, - 66,4,252,233,244,77,248,2,131,189,233,0,15,132,244,81,137,252,233,137,213, - 137,194,232,251,1,14,137,252,234,133,192,15,133,244,1,248,81,184,237,252, - 233,244,78,248,82,255,139,106,252,248,139,133,233,139,114,252,252,199,66, - 252,252,237,137,66,252,248,255,199,66,12,237,199,66,8,0,0,0,0,255,15,87,192, - 252,242,15,17,66,8,255,217,252,238,221,90,8,255,184,237,252,233,244,78,248, - 83,129,252,248,239,15,130,244,63,141,74,8,131,232,1,190,237,248,1,15,182, - 171,233,193,252,237,235,131,229,1,1,252,238,252,233,244,28,248,84,129,252, - 248,239,15,130,244,63,129,122,253,12,239,15,133,244,63,255,139,106,4,137, - 106,12,199,66,4,237,139,42,139,114,8,137,106,8,137,50,141,74,16,131,232,2, - 190,237,252,233,244,1,248,85,129,252,248,239,15,130,244,63,139,42,139,114, - 252,252,137,116,36,24,137,44,36,129,122,253,4,239,15,133,244,63,131,189,233, - 0,15,133,244,63,128,189,233,235,15,135,244,63,139,141,233,15,132,244,247, - 255,59,141,233,15,132,244,63,248,1,141,116,193,252,240,59,181,233,15,135, - 244,63,137,181,233,139,108,36,48,137,149,233,131,194,8,137,149,233,141,108, - 194,232,41,252,245,57,206,15,132,244,249,248,2,139,68,46,4,137,70,252,252, - 139,4,46,137,70,252,248,131,252,238,8,57,206,15,133,244,2,248,3,137,76,36, - 4,49,201,137,76,36,12,137,76,36,8,232,244,25,199,131,233,237,255,139,108, - 36,48,139,52,36,139,149,233,129,252,248,239,15,135,244,254,248,4,139,142, - 233,139,190,233,137,142,233,137,252,254,41,206,15,132,244,252,141,4,50,193, - 252,238,3,59,133,233,15,135,244,255,137,213,41,205,248,5,139,1,137,4,41,139, - 65,4,137,68,41,4,131,193,8,57,252,249,15,133,244,5,248,6,141,70,2,199,66, - 252,252,237,248,7,139,116,36,24,137,68,36,20,185,252,248,252,255,252,255, - 252,255,252,247,198,237,255,15,132,244,13,252,233,244,14,248,8,199,66,252, - 252,237,139,142,233,131,252,233,8,137,142,233,139,1,137,2,139,65,4,137,66, - 4,184,237,252,233,244,7,248,9,139,12,36,137,185,233,137,252,242,137,252,233, - 232,251,1,0,139,52,36,139,149,233,252,233,244,4,248,86,139,106,252,248,139, - 173,233,139,114,252,252,137,116,36,24,137,44,36,131,189,233,0,15,133,244, - 63,255,128,189,233,235,15,135,244,63,139,141,233,15,132,244,247,59,141,233, - 15,132,244,63,248,1,141,116,193,252,248,59,181,233,15,135,244,63,137,181, - 233,139,108,36,48,137,149,233,137,149,233,141,108,194,252,240,41,252,245, - 57,206,15,132,244,249,248,2,255,139,68,46,4,137,70,252,252,139,4,46,137,70, - 252,248,131,252,238,8,57,206,15,133,244,2,248,3,137,76,36,4,49,201,137,76, - 36,12,137,76,36,8,232,244,25,199,131,233,237,139,108,36,48,139,52,36,139, - 149,233,129,252,248,239,15,135,244,254,248,4,139,142,233,139,190,233,137, - 142,233,137,252,254,41,206,15,132,244,252,141,4,50,193,252,238,3,59,133,233, - 15,135,244,255,255,137,213,41,205,248,5,139,1,137,4,41,139,65,4,137,68,41, - 4,131,193,8,57,252,249,15,133,244,5,248,6,141,70,1,248,7,139,116,36,24,137, - 68,36,20,49,201,252,247,198,237,15,132,244,13,252,233,244,14,248,8,137,252, - 242,137,252,233,232,251,1,15,248,9,139,12,36,137,185,233,137,252,242,137, - 252,233,232,251,1,0,139,52,36,139,149,233,252,233,244,4,248,87,139,108,36, - 48,252,247,133,233,237,15,132,244,63,255,137,149,233,141,68,194,252,248,137, - 133,233,49,192,137,133,233,176,235,136,133,233,252,233,244,16,255,248,71, - 255,248,73,139,114,252,252,221,90,252,248,252,233,244,66,255,248,88,129,252, - 248,239,15,130,244,63,255,129,122,253,4,239,15,133,244,248,139,42,131,252, - 253,0,15,137,244,71,252,247,221,15,136,244,247,248,89,248,71,139,114,252, - 252,199,66,252,252,237,137,106,252,248,252,233,244,66,248,1,139,114,252,252, - 199,66,252,252,0,0,224,65,199,66,252,248,0,0,0,0,252,233,244,66,248,2,15, - 135,244,63,255,129,122,253,4,239,15,131,244,63,255,252,242,15,16,2,102,15, - 252,239,201,102,15,118,201,102,15,115,209,1,15,84,193,248,72,139,114,252, - 252,252,242,15,17,66,252,248,255,221,2,217,225,248,72,248,73,139,114,252, - 252,221,90,252,248,255,248,66,184,237,248,78,137,68,36,20,248,64,252,247, - 198,237,15,133,244,253,248,5,56,70,252,255,15,135,244,252,15,182,78,252,253, - 252,247,209,141,20,202,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252, - 255,36,171,248,6,199,68,194,252,244,237,131,192,1,252,233,244,5,248,7,185, - 252,248,252,255,252,255,252,255,252,233,244,14,248,90,255,129,122,253,4,239, - 15,133,244,247,139,42,252,233,244,71,248,1,15,135,244,63,255,252,242,15,16, - 2,232,244,91,255,252,242,15,45,232,129,252,253,0,0,0,128,15,133,244,71,252, - 242,15,42,205,102,15,46,193,15,138,244,72,15,132,244,71,255,221,2,232,244, - 91,255,219,20,36,139,44,36,129,252,253,0,0,0,128,15,133,244,248,217,192,219, - 4,36,255,223,252,233,221,216,255,218,252,233,223,224,158,255,15,138,244,73, - 15,133,244,73,248,2,221,216,252,233,244,71,255,248,92,255,252,242,15,16,2, - 232,244,93,255,221,2,232,244,93,255,248,94,129,252,248,239,15,130,244,63, - 129,122,253,4,239,15,131,244,63,252,242,15,81,2,252,233,244,72,255,248,94, - 129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,221,2,217,252, - 250,252,233,244,73,255,248,95,129,252,248,239,15,130,244,63,129,122,253,4, - 239,15,131,244,63,217,252,237,221,2,217,252,241,252,233,244,73,248,96,129, - 252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,217,252,236,221, - 2,217,252,241,252,233,244,73,248,97,129,252,248,239,255,15,130,244,63,129, - 122,253,4,239,15,131,244,63,221,2,232,244,98,252,233,244,73,248,99,129,252, - 248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,221,2,217,252,254,252, - 233,244,73,248,100,129,252,248,239,255,15,130,244,63,129,122,253,4,239,15, - 131,244,63,221,2,217,252,255,252,233,244,73,248,101,129,252,248,239,15,130, - 244,63,129,122,253,4,239,15,131,244,63,221,2,217,252,242,221,216,252,233, - 244,73,248,102,129,252,248,239,15,130,244,63,255,129,122,253,4,239,15,131, - 244,63,221,2,217,192,216,200,217,232,222,225,217,252,250,217,252,243,252, - 233,244,73,248,103,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131, - 244,63,221,2,217,192,216,200,217,232,222,225,217,252,250,217,201,217,252, - 243,252,233,244,73,248,104,129,252,248,239,15,130,244,63,129,122,253,4,239, - 15,131,244,63,255,221,2,217,232,217,252,243,252,233,244,73,255,248,105,129, - 252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,252,242,15,16,2, - 252,242,15,17,4,36,255,248,105,129,252,248,239,15,130,244,63,129,122,253, - 4,239,15,131,244,63,221,2,221,28,36,255,137,213,232,251,1,16,137,252,234, - 252,233,244,73,255,248,106,129,252,248,239,15,130,244,63,129,122,253,4,239, - 15,131,244,63,252,242,15,16,2,252,242,15,17,4,36,255,248,106,129,252,248, - 239,15,130,244,63,129,122,253,4,239,15,131,244,63,221,2,221,28,36,255,137, - 213,232,251,1,17,137,252,234,252,233,244,73,255,248,107,129,252,248,239,15, - 130,244,63,129,122,253,4,239,15,131,244,63,252,242,15,16,2,252,242,15,17, - 4,36,255,248,107,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244, - 63,221,2,221,28,36,255,137,213,232,251,1,18,137,252,234,252,233,244,73,248, - 108,255,248,109,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244, - 63,252,242,15,16,2,139,106,252,248,252,242,15,89,133,233,252,233,244,72,255, - 248,109,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,221, - 2,139,106,252,248,220,141,233,252,233,244,73,255,248,110,129,252,248,239, - 15,130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244, - 63,221,2,221,66,8,217,252,243,252,233,244,73,248,111,129,252,248,239,15,130, - 244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,255,15,131,244, - 63,221,66,8,221,2,217,252,253,221,217,252,233,244,73,248,112,129,252,248, - 239,15,130,244,63,139,106,4,129,252,253,239,15,131,244,63,139,114,252,252, - 139,2,137,106,252,252,137,66,252,248,209,229,129,252,253,0,0,224,252,255, - 15,131,244,249,9,232,15,132,244,249,184,252,254,3,0,0,129,252,253,0,0,32, - 0,15,130,244,250,248,1,193,252,237,21,41,197,255,252,242,15,42,197,255,137, - 108,36,16,219,68,36,16,255,139,106,252,252,129,229,252,255,252,255,15,128, - 129,205,0,0,224,63,137,106,252,252,248,2,255,252,242,15,17,2,255,221,26,255, - 184,237,252,233,244,78,248,3,255,15,87,192,252,233,244,2,255,217,252,238, - 252,233,244,2,255,248,4,255,252,242,15,16,2,189,0,0,80,67,102,15,110,205, - 102,15,112,201,81,252,242,15,89,193,252,242,15,17,66,252,248,255,221,2,199, - 68,36,16,0,0,128,90,216,76,36,16,221,90,252,248,255,139,106,252,252,184,52, - 4,0,0,209,229,252,233,244,1,255,248,113,129,252,248,239,15,130,244,63,129, - 122,253,4,239,15,131,244,63,252,242,15,16,2,255,248,113,129,252,248,239,15, - 130,244,63,129,122,253,4,239,15,131,244,63,221,2,255,139,106,4,139,114,252, - 252,209,229,129,252,253,0,0,224,252,255,15,132,244,250,255,15,40,224,232, - 244,114,252,242,15,92,224,248,1,252,242,15,17,66,252,248,252,242,15,17,34, - 255,217,192,232,244,114,220,252,233,248,1,221,90,252,248,221,26,255,139,66, - 252,252,139,106,4,49,232,15,136,244,249,248,2,184,237,252,233,244,78,248, - 3,129,252,245,0,0,0,128,137,106,4,252,233,244,2,248,4,255,15,87,228,252,233, - 244,1,255,217,252,238,217,201,252,233,244,1,255,248,115,129,252,248,239,15, - 130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244, - 63,221,66,8,221,2,248,1,217,252,248,223,224,158,15,138,244,1,221,217,252, - 233,244,73,255,248,116,129,252,248,239,15,130,244,63,129,122,253,4,239,15, - 131,244,63,129,122,253,12,239,15,131,244,63,252,242,15,16,2,252,242,15,16, - 74,8,232,244,117,252,233,244,72,255,248,116,129,252,248,239,15,130,244,63, - 129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244,63,221,2,221, - 66,8,232,244,117,252,233,244,73,255,248,118,185,2,0,0,0,129,122,253,4,239, - 255,15,133,244,250,139,42,248,1,57,193,15,131,244,71,129,124,253,202,252, - 252,239,15,133,244,249,59,108,202,252,248,15,79,108,202,252,248,131,193,1, - 252,233,244,1,248,3,15,135,244,63,255,252,233,244,252,248,4,15,135,244,63, - 255,252,242,15,16,2,248,5,57,193,15,131,244,72,129,124,253,202,252,252,239, - 255,15,130,244,252,15,135,244,63,252,242,15,42,76,202,252,248,252,233,244, - 253,255,248,6,252,242,15,16,76,202,252,248,248,7,252,242,15,93,193,131,193, - 1,252,233,244,5,255,221,2,248,5,57,193,15,131,244,73,129,124,253,202,252, - 252,239,255,15,130,244,252,15,135,244,255,219,68,202,252,248,252,233,244, - 253,255,15,131,244,255,255,248,6,221,68,202,252,248,248,7,255,219,252,233, - 219,209,221,217,255,80,221,225,223,224,252,246,196,1,15,132,244,248,217,201, - 248,2,221,216,88,255,248,119,185,2,0,0,0,129,122,253,4,239,255,15,133,244, - 250,139,42,248,1,57,193,15,131,244,71,129,124,253,202,252,252,239,15,133, - 244,249,59,108,202,252,248,15,76,108,202,252,248,131,193,1,252,233,244,1, - 248,3,15,135,244,63,255,248,6,252,242,15,16,76,202,252,248,248,7,252,242, - 15,95,193,131,193,1,252,233,244,5,255,219,252,233,218,209,221,217,255,80, - 221,225,223,224,252,246,196,1,15,133,244,248,217,201,248,2,221,216,88,255, - 248,9,221,216,252,233,244,63,255,248,120,129,252,248,239,15,130,244,63,129, - 122,253,4,239,15,133,244,63,139,42,255,139,173,233,252,233,244,71,255,252, - 242,15,42,133,233,252,233,244,72,255,219,133,233,252,233,244,73,255,248,121, - 129,252,248,239,15,133,244,63,129,122,253,4,239,15,133,244,63,139,42,139, - 114,252,252,131,189,233,1,15,130,244,81,15,182,173,233,255,252,242,15,42, - 197,252,233,244,72,255,137,108,36,16,219,68,36,16,252,233,244,73,255,248, - 122,139,171,233,59,171,233,15,130,244,247,232,244,75,248,1,129,252,248,239, - 15,133,244,63,129,122,253,4,239,255,15,133,244,63,139,42,129,252,253,252, - 255,0,0,0,15,135,244,63,137,108,36,20,255,15,131,244,63,252,242,15,44,42, - 129,252,253,252,255,0,0,0,15,135,244,63,137,108,36,20,255,15,131,244,63,221, - 2,219,92,36,20,129,124,36,20,252,255,0,0,0,15,135,244,63,255,199,68,36,8, - 1,0,0,0,141,68,36,20,248,123,139,108,36,48,137,149,233,137,68,36,4,137,44, - 36,137,116,36,24,232,251,1,19,139,149,233,139,114,252,252,199,66,252,252, - 237,137,66,252,248,252,233,244,66,248,124,139,171,233,59,171,233,15,130,244, - 247,232,244,75,248,1,199,68,36,20,252,255,252,255,252,255,252,255,129,252, - 248,239,15,130,244,63,15,134,244,247,129,122,253,20,239,255,15,133,244,63, - 139,106,16,137,108,36,20,255,15,131,244,63,252,242,15,44,106,16,137,108,36, - 20,255,15,131,244,63,221,66,16,219,92,36,20,255,248,1,129,122,253,4,239,15, - 133,244,63,129,122,253,12,239,255,139,42,137,108,36,12,139,173,233,255,139, - 74,8,255,252,242,15,44,74,8,255,221,66,8,219,92,36,8,139,76,36,8,255,139, - 68,36,20,57,197,15,130,244,251,248,2,133,201,15,142,244,253,248,3,139,108, - 36,12,41,200,15,140,244,125,141,172,253,13,233,131,192,1,248,4,137,68,36, - 8,137,232,252,233,244,123,248,5,15,140,244,252,141,68,40,1,252,233,244,2, - 248,6,137,232,252,233,244,2,248,7,255,15,132,244,254,1,252,233,131,193,1, - 15,143,244,3,248,8,185,1,0,0,0,252,233,244,3,248,125,49,192,252,233,244,4, - 248,126,129,252,248,239,15,130,244,63,139,171,233,59,171,233,15,130,244,247, - 232,244,75,248,1,255,129,122,253,4,239,15,133,244,63,129,122,253,12,239,139, - 42,255,15,133,244,63,139,66,8,255,15,131,244,63,252,242,15,44,66,8,255,15, - 131,244,63,221,66,8,219,92,36,20,139,68,36,20,255,133,192,15,142,244,125, - 131,189,233,1,15,130,244,125,15,133,244,127,57,131,233,15,130,244,127,15, - 182,141,233,139,171,233,137,68,36,8,248,1,136,77,0,131,197,1,131,232,1,15, - 133,244,1,139,131,233,252,233,244,123,248,128,129,252,248,239,255,15,130, - 244,63,139,171,233,59,171,233,15,130,244,247,232,244,75,248,1,129,122,253, - 4,239,15,133,244,63,139,42,139,133,233,133,192,15,132,244,125,57,131,233, - 15,130,244,129,129,197,239,137,116,36,20,137,68,36,8,139,179,233,248,1,255, - 15,182,77,0,131,197,1,131,232,1,136,12,6,15,133,244,1,137,252,240,139,116, - 36,20,252,233,244,123,248,130,129,252,248,239,15,130,244,63,139,171,233,59, - 171,233,15,130,244,247,232,244,75,248,1,129,122,253,4,239,15,133,244,63,139, - 42,139,133,233,57,131,233,255,15,130,244,129,129,197,239,137,116,36,20,137, - 68,36,8,139,179,233,252,233,244,249,248,1,15,182,76,5,0,131,252,249,65,15, - 130,244,248,131,252,249,90,15,135,244,248,131,252,241,32,248,2,136,12,6,248, - 3,131,232,1,15,137,244,1,137,252,240,139,116,36,20,252,233,244,123,248,131, - 129,252,248,239,15,130,244,63,255,139,171,233,59,171,233,15,130,244,247,232, - 244,75,248,1,129,122,253,4,239,15,133,244,63,139,42,139,133,233,57,131,233, - 15,130,244,129,129,197,239,137,116,36,20,137,68,36,8,139,179,233,252,233, - 244,249,248,1,15,182,76,5,0,131,252,249,97,15,130,244,248,255,131,252,249, - 122,15,135,244,248,131,252,241,32,248,2,136,12,6,248,3,131,232,1,15,137,244, - 1,137,252,240,139,116,36,20,252,233,244,123,248,132,129,252,248,239,15,130, - 244,63,129,122,253,4,239,15,133,244,63,137,213,139,10,232,251,1,20,137,252, - 234,255,137,197,252,233,244,71,255,252,242,15,42,192,252,233,244,72,255,137, - 4,36,219,4,36,252,233,244,73,255,248,133,129,252,248,239,15,130,244,63,129, - 122,253,4,239,255,15,133,244,247,139,42,252,233,244,89,248,1,15,135,244,63, - 255,252,242,15,16,2,189,0,0,56,67,102,15,110,205,102,15,112,201,81,252,242, - 15,88,193,102,15,126,197,255,221,2,199,68,36,16,0,0,192,89,216,68,36,16,221, - 28,36,255,139,44,36,255,252,233,244,89,255,248,134,129,252,248,239,15,130, - 244,63,255,189,0,0,56,67,102,15,110,205,102,15,112,201,81,255,199,68,36,16, - 0,0,192,89,255,15,133,244,247,139,42,252,233,244,248,248,1,15,135,244,63, - 255,252,242,15,16,2,252,242,15,88,193,102,15,126,197,255,221,2,216,68,36, - 16,221,28,36,139,44,36,255,248,2,137,68,36,20,141,68,194,252,240,248,1,57, - 208,15,134,244,89,129,120,253,4,239,255,15,133,244,248,35,40,131,232,8,252, - 233,244,1,248,2,15,135,244,135,255,15,131,244,135,255,252,242,15,16,0,252, - 242,15,88,193,102,15,126,193,33,205,255,221,0,216,68,36,16,221,28,36,35,44, - 36,255,131,232,8,252,233,244,1,248,136,129,252,248,239,15,130,244,63,255, - 15,133,244,248,11,40,131,232,8,252,233,244,1,248,2,15,135,244,135,255,252, - 242,15,16,0,252,242,15,88,193,102,15,126,193,9,205,255,221,0,216,68,36,16, - 221,28,36,11,44,36,255,131,232,8,252,233,244,1,248,137,129,252,248,239,15, - 130,244,63,255,15,133,244,248,51,40,131,232,8,252,233,244,1,248,2,15,135, - 244,135,255,252,242,15,16,0,252,242,15,88,193,102,15,126,193,49,205,255,221, - 0,216,68,36,16,221,28,36,51,44,36,255,131,232,8,252,233,244,1,248,138,129, - 252,248,239,15,130,244,63,129,122,253,4,239,255,221,2,199,68,36,16,0,0,192, - 89,216,68,36,16,221,28,36,139,44,36,255,248,2,15,205,252,233,244,89,248,139, - 129,252,248,239,15,130,244,63,129,122,253,4,239,255,248,2,252,247,213,255, - 248,89,252,242,15,42,197,252,233,244,72,255,248,89,137,44,36,219,4,36,252, - 233,244,73,255,248,135,139,68,36,20,252,233,244,63,255,248,140,129,252,248, - 239,15,130,244,63,129,122,253,4,239,255,248,2,129,122,253,12,239,15,133,244, - 63,139,74,8,255,248,140,129,252,248,239,15,130,244,63,129,122,253,4,239,15, - 131,244,63,129,122,253,12,239,15,131,244,63,252,242,15,16,2,252,242,15,16, - 74,8,189,0,0,56,67,102,15,110,213,102,15,112,210,81,252,242,15,88,194,252, - 242,15,88,202,102,15,126,197,102,15,126,201,255,248,140,129,252,248,239,15, - 130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244, - 63,221,2,221,66,8,199,68,36,16,0,0,192,89,216,68,36,16,221,92,36,8,216,68, - 36,16,221,28,36,139,76,36,8,139,44,36,255,211,229,252,233,244,89,255,248, - 141,129,252,248,239,15,130,244,63,129,122,253,4,239,255,248,141,129,252,248, - 239,15,130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131, - 244,63,252,242,15,16,2,252,242,15,16,74,8,189,0,0,56,67,102,15,110,213,102, - 15,112,210,81,252,242,15,88,194,252,242,15,88,202,102,15,126,197,102,15,126, - 201,255,248,141,129,252,248,239,15,130,244,63,129,122,253,4,239,15,131,244, - 63,129,122,253,12,239,15,131,244,63,221,2,221,66,8,199,68,36,16,0,0,192,89, - 216,68,36,16,221,92,36,8,216,68,36,16,221,28,36,139,76,36,8,139,44,36,255, - 211,252,237,252,233,244,89,255,248,142,129,252,248,239,15,130,244,63,129, - 122,253,4,239,255,248,142,129,252,248,239,15,130,244,63,129,122,253,4,239, - 15,131,244,63,129,122,253,12,239,15,131,244,63,252,242,15,16,2,252,242,15, - 16,74,8,189,0,0,56,67,102,15,110,213,102,15,112,210,81,252,242,15,88,194, - 252,242,15,88,202,102,15,126,197,102,15,126,201,255,248,142,129,252,248,239, - 15,130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244, - 63,221,2,221,66,8,199,68,36,16,0,0,192,89,216,68,36,16,221,92,36,8,216,68, - 36,16,221,28,36,139,76,36,8,139,44,36,255,211,252,253,252,233,244,89,255, - 248,143,129,252,248,239,15,130,244,63,129,122,253,4,239,255,248,143,129,252, - 248,239,15,130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239, - 15,131,244,63,252,242,15,16,2,252,242,15,16,74,8,189,0,0,56,67,102,15,110, - 213,102,15,112,210,81,252,242,15,88,194,252,242,15,88,202,102,15,126,197, - 102,15,126,201,255,248,143,129,252,248,239,15,130,244,63,129,122,253,4,239, - 15,131,244,63,129,122,253,12,239,15,131,244,63,221,2,221,66,8,199,68,36,16, - 0,0,192,89,216,68,36,16,221,92,36,8,216,68,36,16,221,28,36,139,76,36,8,139, - 44,36,255,211,197,252,233,244,89,255,248,144,129,252,248,239,15,130,244,63, - 129,122,253,4,239,255,248,144,129,252,248,239,15,130,244,63,129,122,253,4, - 239,15,131,244,63,129,122,253,12,239,15,131,244,63,252,242,15,16,2,252,242, - 15,16,74,8,189,0,0,56,67,102,15,110,213,102,15,112,210,81,252,242,15,88,194, - 252,242,15,88,202,102,15,126,197,102,15,126,201,255,248,144,129,252,248,239, - 15,130,244,63,129,122,253,4,239,15,131,244,63,129,122,253,12,239,15,131,244, - 63,221,2,221,66,8,199,68,36,16,0,0,192,89,216,68,36,16,221,92,36,8,216,68, - 36,16,221,28,36,139,76,36,8,139,44,36,255,211,205,252,233,244,89,248,127, - 184,237,252,233,244,63,248,129,184,237,248,63,139,108,36,48,139,114,252,252, - 137,116,36,24,137,149,233,141,68,194,252,248,141,136,233,137,133,233,139, - 66,252,248,59,141,233,15,135,244,251,137,44,36,252,255,144,233,139,149,233, - 133,192,15,143,244,78,248,1,255,139,141,233,41,209,193,252,233,3,133,192, - 141,65,1,139,106,252,248,15,133,244,33,139,181,233,139,14,15,182,252,233, - 15,182,205,131,198,4,252,255,36,171,248,33,137,209,252,247,198,237,15,133, - 244,249,15,182,110,252,253,252,247,213,141,20,252,234,252,233,244,28,248, - 3,137,252,245,131,229,252,248,41,252,234,252,233,244,28,248,5,186,237,137, - 252,233,232,251,1,0,139,149,233,49,192,252,233,244,1,248,75,93,137,108,36, - 16,139,108,36,48,137,116,36,24,137,149,233,255,141,68,194,252,248,137,252, - 233,137,133,233,232,251,1,21,139,149,233,139,133,233,41,208,193,232,3,131, - 192,1,139,108,36,16,85,195,248,145,255,15,182,131,233,168,235,15,133,244, - 251,168,235,15,133,244,247,168,235,15,132,244,247,252,255,139,233,252,233, - 244,247,255,248,146,15,182,131,233,168,235,15,133,244,251,252,233,244,247, - 248,147,15,182,131,233,168,235,15,133,244,251,168,235,15,132,244,251,252, - 255,139,233,15,132,244,247,168,235,15,132,244,251,248,1,255,139,108,36,48, - 137,149,233,137,252,242,137,252,233,232,251,1,22,248,3,139,149,233,248,4, - 15,182,78,252,253,248,5,15,182,110,252,252,15,183,70,252,254,252,255,164, - 253,171,233,248,148,131,198,4,139,77,232,137,76,36,20,252,233,244,4,248,149, - 255,139,106,252,248,139,173,233,15,182,133,233,141,4,194,139,108,36,48,137, - 149,233,137,133,233,137,252,242,141,139,233,137,171,233,137,116,36,24,232, - 251,1,23,252,233,244,3,255,248,150,137,116,36,24,255,248,151,255,137,116, - 36,24,131,206,1,248,1,255,141,68,194,252,248,139,108,36,48,137,149,233,137, - 133,233,137,252,242,137,252,233,232,251,1,24,199,68,36,24,0,0,0,0,255,131, - 230,252,254,255,139,149,233,137,193,139,133,233,41,208,137,205,15,182,78, - 252,253,193,232,3,131,192,1,252,255,229,248,152,255,85,141,108,36,12,85,83, - 82,81,80,15,182,69,252,252,138,101,252,248,137,125,252,252,137,117,252,248, - 139,93,0,139,139,233,199,131,233,237,137,131,233,137,139,233,129,252,236, - 239,252,242,15,17,125,216,252,242,15,17,117,208,252,242,15,17,109,200,252, - 242,15,17,101,192,252,242,15,17,93,184,252,242,15,17,85,176,252,242,15,17, - 77,168,252,242,15,17,69,160,139,171,233,139,147,233,137,171,233,199,131,233, - 0,0,0,0,137,149,233,141,84,36,16,141,139,233,232,251,1,25,139,141,233,129, - 225,239,137,204,137,169,233,139,149,233,139,177,233,255,248,153,255,133,192, - 15,136,244,249,137,68,36,20,139,122,252,248,139,191,233,139,191,233,199,131, - 233,0,0,0,0,199,131,233,237,139,6,15,182,204,15,182,232,131,198,4,193,232, - 16,129,252,253,239,15,130,244,248,139,68,36,20,248,2,252,255,36,171,248,3, - 252,247,216,137,252,233,137,194,232,251,1,26,255,248,91,255,217,124,36,4, - 137,68,36,8,102,184,0,4,102,11,68,36,4,102,37,252,255,252,247,102,137,68, - 36,6,217,108,36,6,217,252,252,217,108,36,4,139,68,36,8,195,255,248,154,102, - 15,252,239,210,102,15,118,210,102,15,115,210,1,184,0,0,48,67,102,15,110,216, - 102,15,112,219,81,15,40,200,102,15,84,202,102,15,46,217,15,134,244,247,102, - 15,85,208,252,242,15,88,203,252,242,15,92,203,102,15,86,202,184,0,0,252,240, - 63,102,15,110,208,102,15,112,210,81,252,242,15,194,193,1,102,15,84,194,252, - 242,15,92,200,15,40,193,248,1,195,248,93,255,217,124,36,4,137,68,36,8,102, - 184,0,8,102,11,68,36,4,102,37,252,255,252,251,102,137,68,36,6,217,108,36, - 6,217,252,252,217,108,36,4,139,68,36,8,195,255,248,155,102,15,252,239,210, - 102,15,118,210,102,15,115,210,1,184,0,0,48,67,102,15,110,216,102,15,112,219, - 81,15,40,200,102,15,84,202,102,15,46,217,15,134,244,247,102,15,85,208,252, - 242,15,88,203,252,242,15,92,203,102,15,86,202,184,0,0,252,240,191,102,15, - 110,208,102,15,112,210,81,252,242,15,194,193,6,102,15,84,194,252,242,15,92, - 200,15,40,193,248,1,195,248,114,255,217,124,36,4,137,68,36,8,102,184,0,12, - 102,11,68,36,4,102,137,68,36,6,217,108,36,6,217,252,252,217,108,36,4,139, - 68,36,8,195,255,248,156,102,15,252,239,210,102,15,118,210,102,15,115,210, - 1,184,0,0,48,67,102,15,110,216,102,15,112,219,81,15,40,200,102,15,84,202, - 102,15,46,217,15,134,244,247,102,15,85,208,15,40,193,252,242,15,88,203,252, - 242,15,92,203,184,0,0,252,240,63,102,15,110,216,102,15,112,219,81,252,242, - 15,194,193,1,102,15,84,195,252,242,15,92,200,102,15,86,202,15,40,193,248, - 1,195,248,157,255,15,40,232,252,242,15,94,193,102,15,252,239,210,102,15,118, - 210,102,15,115,210,1,184,0,0,48,67,102,15,110,216,102,15,112,219,81,15,40, - 224,102,15,84,226,102,15,46,220,15,134,244,247,102,15,85,208,252,242,15,88, - 227,252,242,15,92,227,102,15,86,226,184,0,0,252,240,63,102,15,110,208,102, - 15,112,210,81,252,242,15,194,196,1,102,15,84,194,252,242,15,92,224,15,40, - 197,252,242,15,89,204,252,242,15,92,193,195,248,1,252,242,15,89,200,15,40, - 197,252,242,15,92,193,195,255,217,193,216,252,241,217,124,36,4,102,184,0, - 4,102,11,68,36,4,102,37,252,255,252,247,102,137,68,36,6,217,108,36,6,217, - 252,252,217,108,36,4,222,201,222,252,233,195,255,248,98,217,252,234,222,201, - 248,158,217,84,36,4,129,124,36,4,0,0,128,127,15,132,244,247,129,124,36,4, - 0,0,128,252,255,15,132,244,248,248,159,217,192,217,252,252,220,252,233,217, - 201,217,252,240,217,232,222,193,217,252,253,221,217,248,1,195,248,2,221,216, - 217,252,238,195,255,248,117,219,84,36,4,219,68,36,4,255,223,252,233,255,221, - 252,233,223,224,158,255,15,133,244,254,15,138,244,255,221,216,139,68,36,4, - 131,252,248,1,15,142,244,252,248,1,169,1,0,0,0,15,133,244,248,216,200,209, - 232,252,233,244,1,248,2,209,232,15,132,244,251,217,192,248,3,216,200,209, - 232,15,132,244,250,15,131,244,3,220,201,252,233,244,3,248,4,255,222,201,248, - 5,195,248,6,15,132,244,5,15,130,244,253,217,232,222,252,241,252,247,216,131, - 252,248,1,15,132,244,5,252,233,244,1,248,7,221,216,217,232,195,248,8,217, - 84,36,4,217,201,217,84,36,8,139,68,36,4,209,224,61,0,0,0,252,255,15,132,244, - 248,139,68,36,8,209,224,15,132,244,250,61,0,0,0,252,255,15,132,244,250,217, - 252,241,252,233,244,159,248,9,255,217,232,255,223,252,234,255,221,252,234, - 223,224,158,255,15,132,244,247,217,201,248,1,221,216,195,248,2,217,225,217, - 232,255,15,132,244,249,221,216,217,225,217,252,238,184,0,0,0,0,15,146,208, - 209,200,51,68,36,4,15,137,244,249,217,201,248,3,221,217,217,225,195,248,4, - 131,124,36,4,0,15,141,244,3,221,216,221,216,133,192,15,132,244,251,217,252, - 238,195,248,5,199,68,36,4,0,0,128,127,217,68,36,4,195,255,248,117,255,248, - 160,252,242,15,45,193,252,242,15,42,208,102,15,46,202,15,133,244,254,15,138, - 244,255,248,161,131,252,248,1,15,142,244,252,248,1,169,1,0,0,0,15,133,244, - 248,252,242,15,89,192,209,232,252,233,244,1,248,2,209,232,15,132,244,251, - 15,40,200,248,3,252,242,15,89,192,209,232,15,132,244,250,15,131,244,3,255, - 252,242,15,89,200,252,233,244,3,248,4,252,242,15,89,193,248,5,195,248,6,15, - 132,244,5,15,130,244,253,252,247,216,232,244,1,184,0,0,252,240,63,102,15, - 110,200,102,15,112,201,81,252,242,15,94,200,15,40,193,195,248,7,184,0,0,252, - 240,63,102,15,110,192,102,15,112,192,81,195,248,8,252,242,15,17,76,36,12, - 252,242,15,17,68,36,4,131,124,36,12,0,15,133,244,247,139,68,36,16,209,224, - 61,0,0,224,252,255,15,132,244,248,248,1,131,124,36,4,0,15,133,244,247,255, - 139,68,36,8,209,224,15,132,244,250,61,0,0,224,252,255,15,132,244,251,248, - 1,221,68,36,12,221,68,36,4,217,252,241,217,192,217,252,252,220,252,233,217, - 201,217,252,240,217,232,222,193,217,252,253,221,217,221,92,36,4,252,242,15, - 16,68,36,4,195,248,9,184,0,0,252,240,63,102,15,110,208,102,15,112,210,81, - 102,15,46,194,15,132,244,247,15,40,193,248,1,195,248,2,102,15,252,239,210, - 102,15,118,210,102,15,115,210,1,102,15,84,194,184,0,0,252,240,63,102,15,110, - 208,102,15,112,210,81,102,15,46,194,15,132,244,1,102,15,80,193,15,87,192, - 136,196,15,146,208,48,224,15,133,244,1,248,3,184,0,0,252,240,127,102,15,110, - 192,102,15,112,192,81,195,248,4,102,15,80,193,133,192,15,133,244,3,15,87, - 192,195,248,5,102,15,80,193,133,192,15,132,244,3,255,15,87,192,195,248,162, - 255,139,68,36,12,252,242,15,16,68,36,4,131,252,248,1,15,132,244,247,15,135, - 244,248,232,244,91,252,233,244,253,248,1,232,244,93,252,233,244,253,248,2, - 131,252,248,3,15,132,244,247,15,135,244,248,232,244,114,255,252,233,244,253, - 248,1,252,242,15,81,192,248,7,252,242,15,17,68,36,4,221,68,36,4,195,248,2, - 221,68,36,4,131,252,248,5,15,130,244,98,15,132,244,158,248,2,131,252,248, - 7,15,132,244,247,15,135,244,248,217,252,237,217,201,217,252,241,195,248,1, - 217,232,217,201,217,252,241,195,248,2,131,252,248,9,15,132,244,247,15,135, - 244,248,255,217,252,236,217,201,217,252,241,195,248,1,217,252,254,195,248, - 2,131,252,248,11,15,132,244,247,15,135,244,255,217,252,255,195,248,1,217, - 252,242,221,216,195,255,139,68,36,12,221,68,36,4,131,252,248,1,15,130,244, - 91,15,132,244,93,131,252,248,3,15,130,244,114,15,135,244,248,217,252,250, - 195,248,2,131,252,248,5,15,130,244,98,15,132,244,158,131,252,248,7,15,132, - 244,247,15,135,244,248,217,252,237,217,201,217,252,241,195,248,1,217,232, - 217,201,217,252,241,195,248,2,131,252,248,9,15,132,244,247,255,15,135,244, - 248,217,252,236,217,201,217,252,241,195,248,1,217,252,254,195,248,2,131,252, - 248,11,15,132,244,247,15,135,244,255,217,252,255,195,248,1,217,252,242,221, - 216,195,255,248,9,204,255,248,163,255,139,68,36,20,252,242,15,16,68,36,4, - 252,242,15,16,76,36,12,131,252,248,1,15,132,244,247,15,135,244,248,252,242, - 15,88,193,248,7,252,242,15,17,68,36,4,221,68,36,4,195,248,1,252,242,15,92, - 193,252,233,244,7,248,2,131,252,248,3,15,132,244,247,15,135,244,248,252,242, - 15,89,193,252,233,244,7,248,1,252,242,15,94,193,252,233,244,7,248,2,131,252, - 248,5,15,132,244,247,255,15,135,244,248,232,244,157,252,233,244,7,248,1,90, - 232,244,117,82,252,233,244,7,248,2,131,252,248,7,15,132,244,247,15,135,244, - 248,184,0,0,0,128,102,15,110,200,102,15,112,201,81,15,87,193,252,233,244, - 7,248,1,102,15,252,239,201,102,15,118,201,102,15,115,209,1,15,84,193,252, - 233,244,7,248,2,255,131,252,248,9,15,135,244,248,221,68,36,4,221,68,36,12, - 15,132,244,247,217,252,243,195,248,1,217,201,217,252,253,221,217,195,248, - 2,131,252,248,11,15,132,244,247,15,135,244,255,252,242,15,93,193,252,233, - 244,7,248,1,252,242,15,95,193,252,233,244,7,248,9,204,255,139,68,36,20,221, - 68,36,4,221,68,36,12,131,252,248,1,15,132,244,247,15,135,244,248,222,193, - 195,248,1,222,252,233,195,248,2,131,252,248,3,15,132,244,247,15,135,244,248, - 222,201,195,248,1,222,252,249,195,248,2,131,252,248,5,15,130,244,157,15,132, - 244,117,131,252,248,7,15,132,244,247,15,135,244,248,255,221,216,217,224,195, - 248,1,221,216,217,225,195,248,2,131,252,248,9,15,132,244,247,15,135,244,248, - 217,252,243,195,248,1,217,201,217,252,253,221,217,195,248,2,131,252,248,11, - 15,132,244,247,15,135,244,255,255,219,252,233,219,209,221,217,195,248,1,219, - 252,233,218,209,221,217,195,255,221,225,223,224,252,246,196,1,15,132,244, - 248,217,201,248,2,221,216,195,248,1,221,225,223,224,252,246,196,1,15,133, - 244,248,217,201,248,2,221,216,195,255,248,164,156,90,137,209,129,252,242, - 0,0,32,0,82,157,156,90,49,192,57,209,15,132,244,247,139,68,36,4,87,83,15, - 162,139,124,36,16,137,7,137,95,4,137,79,8,137,87,12,91,95,248,1,195,248,165, - 255,204,248,166,255,131,252,236,16,87,86,83,131,252,236,28,141,157,233,139, - 181,233,15,183,192,137,134,233,141,132,253,36,233,137,142,233,137,150,233, - 137,134,233,139,140,253,36,233,139,148,253,36,233,137,76,36,44,137,84,36, - 40,137,226,137,116,36,24,137,252,241,232,251,1,27,199,131,233,237,139,144, - 233,139,128,233,41,208,139,106,252,248,193,232,3,131,192,1,139,181,233,139, - 14,15,182,252,233,15,182,205,131,198,4,252,255,36,171,255,248,32,255,139, - 76,36,48,139,179,233,137,142,233,137,145,233,137,169,233,137,252,241,137, - 194,232,251,1,28,139,108,36,48,139,134,233,139,150,233,131,190,233,1,15,130, - 244,253,15,132,244,252,221,134,233,252,233,244,253,248,6,217,134,233,248, - 7,139,141,233,15,183,73,6,137,76,36,48,131,196,28,91,94,95,93,89,3,36,36, - 131,196,16,81,195,255,248,167,255,85,137,229,83,137,203,43,163,233,255,137, - 163,233,255,15,182,139,233,131,252,233,1,15,136,244,248,248,1,139,132,253, - 139,233,137,4,140,131,252,233,1,15,137,244,1,248,2,139,139,233,139,147,233, - 252,255,147,233,137,131,233,137,147,233,128,187,233,1,15,130,244,253,15,132, - 244,252,221,155,233,252,233,244,253,248,6,255,217,155,233,248,7,255,41,163, - 233,255,139,93,252,252,201,195,255,249,255,129,124,253,202,4,239,15,133,244, - 253,129,124,253,194,4,239,15,133,244,254,139,44,202,131,198,4,59,44,194,255, - 15,141,244,255,255,15,140,244,255,255,15,143,244,255,255,15,142,244,255,255, - 248,6,15,183,70,252,254,141,180,253,134,233,248,9,139,6,15,182,204,15,182, - 232,131,198,4,193,232,16,252,255,36,171,248,7,15,135,244,44,129,124,253,194, - 4,239,15,130,244,247,15,133,244,44,255,252,242,15,42,4,194,252,233,244,248, - 255,221,4,202,219,4,194,252,233,244,249,255,248,8,15,135,244,44,255,252,242, - 15,42,12,202,252,242,15,16,4,194,131,198,4,102,15,46,193,255,15,134,244,9, - 255,15,135,244,9,255,15,130,244,9,255,15,131,244,9,255,252,233,244,6,255, - 219,4,202,252,233,244,248,255,129,124,253,202,4,239,15,131,244,44,129,124, - 253,194,4,239,15,131,244,44,255,248,1,252,242,15,16,4,194,248,2,131,198,4, - 102,15,46,4,202,248,3,255,248,1,221,4,202,248,2,221,4,194,248,3,131,198,4, - 255,15,135,244,247,255,15,130,244,247,255,15,131,244,247,255,15,183,70,252, - 254,141,180,253,134,233,248,1,139,6,15,182,204,15,182,232,131,198,4,193,232, - 16,252,255,36,171,255,139,108,194,4,131,198,4,255,129,252,253,239,15,133, - 244,253,129,124,253,202,4,239,15,133,244,254,139,44,194,59,44,202,255,15, - 133,244,255,255,15,132,244,255,255,15,183,70,252,254,141,180,253,134,233, - 248,9,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,248, - 7,15,135,244,251,129,124,253,202,4,239,15,130,244,247,15,133,244,251,255, - 252,242,15,42,4,202,255,219,4,202,255,252,233,244,248,248,8,15,135,244,251, - 255,252,242,15,42,4,194,102,15,46,4,202,255,219,4,194,221,4,202,255,252,233, - 244,250,255,129,252,253,239,15,131,244,251,129,124,253,202,4,239,15,131,244, - 251,255,248,1,252,242,15,16,4,202,248,2,102,15,46,4,194,248,4,255,248,1,221, - 4,202,248,2,221,4,194,248,4,255,15,138,244,248,15,133,244,248,255,15,138, - 244,248,15,132,244,247,255,248,1,15,183,70,252,254,141,180,253,134,233,248, - 2,255,248,2,15,183,70,252,254,141,180,253,134,233,248,1,255,252,233,244,9, - 255,248,5,255,129,252,253,239,15,132,244,49,129,124,253,202,4,239,15,132, - 244,49,255,57,108,202,4,15,133,244,2,129,252,253,239,15,131,244,1,139,12, - 202,139,4,194,57,193,15,132,244,1,129,252,253,239,15,135,244,2,139,169,233, - 133,252,237,15,132,244,2,252,246,133,233,235,15,133,244,2,255,49,252,237, - 255,189,1,0,0,0,255,252,233,244,48,255,248,3,129,252,253,239,255,15,133,244, - 9,255,252,233,244,49,255,252,247,208,139,108,202,4,131,198,4,129,252,253, - 239,15,133,244,249,139,12,202,59,12,135,255,139,108,202,4,131,198,4,255,129, - 252,253,239,15,133,244,253,129,124,253,199,4,239,15,133,244,254,139,44,199, - 59,44,202,255,15,183,70,252,254,141,180,253,134,233,248,9,139,6,15,182,204, - 15,182,232,131,198,4,193,232,16,252,255,36,171,248,7,15,135,244,249,129,124, - 253,199,4,239,15,130,244,247,255,252,242,15,42,4,199,255,219,4,199,255,252, - 233,244,248,248,8,255,252,242,15,42,4,202,102,15,46,4,199,255,219,4,202,221, - 4,199,255,129,252,253,239,15,131,244,249,255,248,1,252,242,15,16,4,199,248, - 2,102,15,46,4,202,248,4,255,248,1,221,4,199,248,2,221,4,202,248,4,255,252, - 247,208,139,108,202,4,131,198,4,57,197,255,15,133,244,249,15,183,70,252,254, - 141,180,253,134,233,248,2,139,6,15,182,204,15,182,232,131,198,4,193,232,16, - 252,255,36,171,248,3,129,252,253,239,15,133,244,2,252,233,244,49,255,15,132, - 244,248,129,252,253,239,15,132,244,49,15,183,70,252,254,141,180,253,134,233, - 248,2,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,255, - 139,108,194,4,131,198,4,129,252,253,239,255,137,108,202,4,139,44,194,137, - 44,202,255,139,108,194,4,139,4,194,137,108,202,4,137,4,202,139,6,15,182,204, - 15,182,232,131,198,4,193,232,16,252,255,36,171,255,49,252,237,129,124,253, - 194,4,239,129,213,239,137,108,202,4,139,6,15,182,204,15,182,232,131,198,4, - 193,232,16,252,255,36,171,255,129,124,253,194,4,239,15,133,244,251,139,44, - 194,252,247,221,15,128,244,250,199,68,202,4,237,137,44,202,248,9,139,6,15, - 182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,248,4,199,68,202,4, - 0,0,224,65,199,4,202,0,0,0,0,252,233,244,9,248,5,15,135,244,54,255,129,124, - 253,194,4,239,15,131,244,54,255,252,242,15,16,4,194,184,0,0,0,128,102,15, - 110,200,102,15,112,201,81,15,87,193,252,242,15,17,4,202,255,221,4,194,217, - 224,221,28,202,255,129,124,253,194,4,239,15,133,244,248,139,4,194,255,139, - 128,233,248,1,199,68,202,4,237,137,4,202,255,15,87,192,252,242,15,42,128, - 233,248,1,252,242,15,17,4,202,255,219,128,233,248,1,221,28,202,255,139,6, - 15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,248,2,129,124,253, - 194,4,239,15,133,244,57,139,12,194,255,139,169,233,131,252,253,0,15,133,244, - 255,248,3,255,248,58,137,213,232,251,1,20,255,252,242,15,42,192,255,137,4, - 36,219,4,36,255,137,252,234,15,182,78,252,253,252,233,244,1,255,248,9,252, - 246,133,233,235,15,133,244,3,252,233,244,57,255,15,182,252,236,15,182,192, - 255,129,124,253,252,234,4,239,15,133,244,51,129,124,253,199,4,239,15,133, - 244,51,139,44,252,234,3,44,199,15,128,244,50,255,129,124,253,252,234,4,239, - 15,133,244,53,129,124,253,199,4,239,15,133,244,53,139,4,199,3,4,252,234,15, - 128,244,52,255,129,124,253,252,234,4,239,15,133,244,56,129,124,253,194,4, - 239,15,133,244,56,139,44,252,234,3,44,194,15,128,244,55,255,199,68,202,4, - 237,255,129,124,253,252,234,4,239,15,131,244,51,255,129,124,253,199,4,239, - 15,131,244,51,255,252,242,15,16,4,252,234,252,242,15,88,4,199,255,221,4,252, - 234,220,4,199,255,129,124,253,252,234,4,239,15,131,244,53,255,129,124,253, - 199,4,239,15,131,244,53,255,252,242,15,16,4,199,252,242,15,88,4,252,234,255, - 221,4,199,220,4,252,234,255,129,124,253,252,234,4,239,15,131,244,56,129,124, - 253,194,4,239,15,131,244,56,255,252,242,15,16,4,252,234,252,242,15,88,4,194, - 255,221,4,252,234,220,4,194,255,129,124,253,252,234,4,239,15,133,244,51,129, - 124,253,199,4,239,15,133,244,51,139,44,252,234,43,44,199,15,128,244,50,255, - 129,124,253,252,234,4,239,15,133,244,53,129,124,253,199,4,239,15,133,244, - 53,139,4,199,43,4,252,234,15,128,244,52,255,129,124,253,252,234,4,239,15, - 133,244,56,129,124,253,194,4,239,15,133,244,56,139,44,252,234,43,44,194,15, - 128,244,55,255,252,242,15,16,4,252,234,252,242,15,92,4,199,255,221,4,252, - 234,220,36,199,255,252,242,15,16,4,199,252,242,15,92,4,252,234,255,221,4, - 199,220,36,252,234,255,252,242,15,16,4,252,234,252,242,15,92,4,194,255,221, - 4,252,234,220,36,194,255,129,124,253,252,234,4,239,15,133,244,51,129,124, - 253,199,4,239,15,133,244,51,139,44,252,234,15,175,44,199,15,128,244,50,255, - 129,124,253,252,234,4,239,15,133,244,53,129,124,253,199,4,239,15,133,244, - 53,139,4,199,15,175,4,252,234,15,128,244,52,255,129,124,253,252,234,4,239, - 15,133,244,56,129,124,253,194,4,239,15,133,244,56,139,44,252,234,15,175,44, - 194,15,128,244,55,255,252,242,15,16,4,252,234,252,242,15,89,4,199,255,221, - 4,252,234,220,12,199,255,252,242,15,16,4,199,252,242,15,89,4,252,234,255, - 221,4,199,220,12,252,234,255,252,242,15,16,4,252,234,252,242,15,89,4,194, - 255,221,4,252,234,220,12,194,255,252,242,15,16,4,252,234,252,242,15,94,4, - 199,255,221,4,252,234,220,52,199,255,252,242,15,16,4,199,252,242,15,94,4, - 252,234,255,221,4,199,220,52,252,234,255,252,242,15,16,4,252,234,252,242, - 15,94,4,194,255,221,4,252,234,220,52,194,255,252,242,15,16,4,252,234,252, - 242,15,16,12,199,255,221,4,252,234,221,4,199,255,252,242,15,16,4,199,252, - 242,15,16,12,252,234,255,221,4,199,221,4,252,234,255,252,242,15,16,4,252, - 234,252,242,15,16,12,194,255,221,4,252,234,221,4,194,255,248,168,232,244, - 157,255,252,233,244,168,255,232,244,117,255,15,182,252,236,15,182,192,141, - 12,194,41,232,137,76,36,4,137,68,36,8,248,36,139,108,36,48,137,44,36,137, - 149,233,137,116,36,24,232,251,1,29,139,149,233,133,192,15,133,244,45,15,182, - 110,252,255,15,182,78,252,253,139,68,252,234,4,139,44,252,234,137,68,202, - 4,137,44,202,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36, - 171,255,252,247,208,139,4,135,199,68,202,4,237,137,4,202,139,6,15,182,204, - 15,182,232,131,198,4,193,232,16,252,255,36,171,255,15,191,192,199,68,202, - 4,237,137,4,202,255,15,191,192,252,242,15,42,192,252,242,15,17,4,202,255, - 223,70,252,254,221,28,202,255,252,242,15,16,4,199,252,242,15,17,4,202,255, - 221,4,199,221,28,202,255,252,247,208,137,68,202,4,139,6,15,182,204,15,182, - 232,131,198,4,193,232,16,252,255,36,171,255,141,76,202,12,141,68,194,4,189, - 237,137,105,252,248,248,1,137,41,131,193,8,57,193,15,134,244,1,139,6,15,182, - 204,15,182,232,131,198,4,193,232,16,252,255,36,171,255,139,106,252,248,139, - 172,253,133,233,139,173,233,139,69,4,139,109,0,137,68,202,4,137,44,202,139, - 6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,255,139,106,252, - 248,139,172,253,141,233,128,189,233,0,139,173,233,139,12,194,139,68,194,4, - 137,77,0,137,69,4,15,132,244,247,252,246,133,233,235,15,133,244,248,248,1, - 139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,248,2,129, - 232,239,129,252,248,239,15,134,244,1,252,246,129,233,235,15,132,244,1,135, - 213,141,139,233,255,232,251,1,30,137,252,234,252,233,244,1,255,252,247,208, - 139,106,252,248,139,172,253,141,233,139,12,135,139,133,233,137,8,199,64,4, - 237,252,246,133,233,235,15,133,244,248,248,1,139,6,15,182,204,15,182,232, - 131,198,4,193,232,16,252,255,36,171,248,2,252,246,129,233,235,15,132,244, - 1,128,189,233,0,15,132,244,1,137,213,137,194,141,139,233,232,251,1,30,137, - 252,234,252,233,244,1,255,139,106,252,248,255,252,242,15,16,4,199,255,139, - 172,253,141,233,139,141,233,255,252,242,15,17,1,255,221,25,255,252,247,208, - 139,106,252,248,139,172,253,141,233,139,141,233,137,65,4,139,6,15,182,204, - 15,182,232,131,198,4,193,232,16,252,255,36,171,255,141,180,253,134,233,139, - 108,36,48,131,189,233,0,15,132,244,247,137,149,233,141,20,202,137,252,233, - 232,251,1,31,139,149,233,248,1,139,6,15,182,204,15,182,232,131,198,4,193, - 232,16,252,255,36,171,255,252,247,208,139,74,252,248,139,4,135,139,108,36, - 48,137,76,36,8,137,68,36,4,137,44,36,137,149,233,137,116,36,24,232,251,1, - 32,139,149,233,15,182,78,252,253,137,4,202,199,68,202,4,237,139,6,15,182, - 204,15,182,232,131,198,4,193,232,16,252,255,36,171,255,139,108,36,48,137, - 149,233,139,139,233,59,139,233,137,116,36,24,15,131,244,251,248,1,137,193, - 37,252,255,7,0,0,193,252,233,11,137,76,36,8,61,252,255,7,0,0,15,132,244,249, - 248,2,137,44,36,137,68,36,4,232,251,1,33,139,149,233,15,182,78,252,253,137, - 4,202,199,68,202,4,237,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252, - 255,36,171,248,3,184,1,8,0,0,252,233,244,2,248,5,137,252,233,232,251,1,34, - 15,183,70,252,254,252,233,244,1,255,252,247,208,139,108,36,48,139,139,233, - 137,116,36,24,59,139,233,137,149,233,15,131,244,249,248,2,139,20,135,137, - 252,233,232,251,1,35,139,149,233,15,182,78,252,253,137,4,202,199,68,202,4, - 237,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,248,3, - 137,252,233,232,251,1,34,15,183,70,252,254,252,247,208,252,233,244,2,255, - 252,247,208,139,106,252,248,139,173,233,139,4,135,252,233,244,169,255,252, - 247,208,139,106,252,248,139,173,233,139,4,135,252,233,244,170,255,15,182, - 252,236,15,182,192,129,124,253,252,234,4,239,15,133,244,39,139,44,252,234, - 255,129,124,253,194,4,239,15,133,244,251,139,4,194,255,129,124,253,194,4, - 239,15,131,244,251,255,252,242,15,16,4,194,252,242,15,45,192,252,242,15,42, - 200,102,15,46,193,255,221,4,194,219,20,36,219,4,36,255,15,133,244,39,255, - 59,133,233,15,131,244,39,193,224,3,3,133,233,129,120,253,4,239,15,132,244, - 248,139,40,139,64,4,137,44,202,137,68,202,4,248,1,139,6,15,182,204,15,182, - 232,131,198,4,193,232,16,252,255,36,171,248,2,131,189,233,0,15,132,244,249, - 139,141,233,252,246,129,233,235,15,132,244,39,15,182,78,252,253,248,3,199, - 68,202,4,237,252,233,244,1,248,5,255,129,124,253,194,4,239,15,133,244,39, - 139,4,194,252,233,244,169,255,15,182,252,236,15,182,192,252,247,208,139,4, - 135,129,124,253,252,234,4,239,15,133,244,37,139,44,252,234,248,169,139,141, - 233,35,136,233,105,201,239,3,141,233,248,1,129,185,233,239,15,133,244,250, - 57,129,233,15,133,244,250,129,121,253,4,239,15,132,244,251,15,182,70,252, - 253,139,41,139,73,4,137,44,194,137,76,194,4,248,2,255,139,6,15,182,204,15, - 182,232,131,198,4,193,232,16,252,255,36,171,248,3,15,182,70,252,253,199,68, - 194,4,237,252,233,244,2,248,4,139,137,233,133,201,15,133,244,1,248,5,139, - 141,233,133,201,15,132,244,3,252,246,129,233,235,15,133,244,3,252,233,244, - 37,255,15,182,252,236,15,182,192,129,124,253,252,234,4,239,15,133,244,38, - 139,44,252,234,59,133,233,15,131,244,38,193,224,3,3,133,233,129,120,253,4, - 239,15,132,244,248,139,40,139,64,4,137,44,202,137,68,202,4,248,1,139,6,15, - 182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,248,2,131,189,233, - 0,15,132,244,249,139,141,233,252,246,129,233,235,15,132,244,38,255,15,182, - 78,252,253,248,3,199,68,202,4,237,252,233,244,1,255,15,182,252,236,15,182, - 192,129,124,253,252,234,4,239,15,133,244,42,139,44,252,234,255,15,133,244, - 42,255,59,133,233,15,131,244,42,193,224,3,3,133,233,129,120,253,4,239,15, - 132,244,249,248,1,252,246,133,233,235,15,133,244,253,248,2,139,108,202,4, - 139,12,202,137,104,4,137,8,139,6,15,182,204,15,182,232,131,198,4,193,232, - 16,252,255,36,171,248,3,131,189,233,0,15,132,244,1,139,141,233,252,246,129, - 233,235,255,15,132,244,42,15,182,78,252,253,252,233,244,1,248,5,129,124,253, - 194,4,239,15,133,244,42,139,4,194,252,233,244,170,248,7,128,165,233,235,139, - 139,233,137,171,233,137,141,233,15,182,78,252,253,252,233,244,2,255,15,182, - 252,236,15,182,192,252,247,208,139,4,135,129,124,253,252,234,4,239,15,133, - 244,40,139,44,252,234,248,170,139,141,233,35,136,233,105,201,239,198,133, - 233,0,3,141,233,248,1,129,185,233,239,15,133,244,251,57,129,233,15,133,244, - 251,129,121,253,4,239,15,132,244,250,248,2,255,252,246,133,233,235,15,133, - 244,253,248,3,15,182,70,252,253,139,108,194,4,139,4,194,137,105,4,137,1,139, - 6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,248,4,131,189, - 233,0,15,132,244,2,137,76,36,16,139,141,233,252,246,129,233,235,15,132,244, - 40,139,76,36,16,252,233,244,2,248,5,139,137,233,133,201,15,133,244,1,255, - 139,141,233,133,201,15,132,244,252,252,246,129,233,235,15,132,244,40,248, - 6,137,68,36,16,199,68,36,20,237,137,108,36,12,141,68,36,16,137,108,36,4,139, - 108,36,48,137,68,36,8,137,44,36,137,149,233,137,116,36,24,232,251,1,36,139, - 149,233,139,108,36,12,137,193,252,233,244,2,248,7,128,165,233,235,139,131, - 233,137,171,233,137,133,233,252,233,244,3,255,15,182,252,236,15,182,192,129, - 124,253,252,234,4,239,15,133,244,41,139,44,252,234,59,133,233,15,131,244, - 41,193,224,3,3,133,233,129,120,253,4,239,15,132,244,249,248,1,252,246,133, - 233,235,15,133,244,253,248,2,139,108,202,4,139,12,202,137,104,4,137,8,139, - 6,15,182,204,15,182,232,131,198,4,193,232,16,252,255,36,171,248,3,131,189, - 233,0,15,132,244,1,255,139,141,233,252,246,129,233,235,15,132,244,41,15,182, - 78,252,253,252,233,244,1,248,7,128,165,233,235,139,139,233,137,171,233,137, - 141,233,15,182,78,252,253,252,233,244,2,255,137,124,36,16,139,60,199,248, - 1,141,12,202,139,105,252,248,252,246,133,233,235,15,133,244,253,248,2,139, - 68,36,20,131,232,1,15,132,244,250,1,252,248,59,133,233,15,135,244,251,41, - 252,248,193,231,3,3,189,233,248,3,139,41,137,47,139,105,4,131,193,8,137,111, - 4,131,199,8,131,232,1,15,133,244,3,248,4,139,124,36,16,139,6,15,182,204,15, - 182,232,131,198,4,193,232,16,252,255,36,171,248,5,137,108,36,4,139,108,36, - 48,137,149,233,137,68,36,8,137,44,36,137,116,36,24,232,251,1,37,139,149,233, - 15,182,78,252,253,252,233,244,1,248,7,255,128,165,233,235,139,131,233,137, - 171,233,137,133,233,252,233,244,2,255,3,68,36,20,255,129,124,253,202,4,239, - 139,44,202,15,133,244,59,141,84,202,8,137,114,252,252,139,181,233,139,14, - 15,182,252,233,15,182,205,131,198,4,252,255,36,171,255,141,76,202,8,137,215, - 139,105,252,248,129,121,253,252,252,239,15,133,244,29,248,60,139,114,252, - 252,252,247,198,237,15,133,244,253,248,1,137,106,252,248,137,68,36,20,131, - 232,1,15,132,244,249,248,2,139,41,137,47,139,105,4,131,193,8,137,111,4,131, - 199,8,131,232,1,15,133,244,2,139,106,252,248,248,3,139,68,36,20,128,189,233, - 1,15,135,244,251,248,4,139,181,233,139,14,15,182,252,233,15,182,205,131,198, - 4,252,255,36,171,248,5,255,252,247,198,237,15,133,244,4,15,182,78,252,253, - 252,247,209,141,12,202,139,121,252,248,139,191,233,139,191,233,252,233,244, - 4,248,7,129,252,238,239,252,247,198,237,15,133,244,254,41,252,242,137,215, - 139,114,252,252,252,233,244,1,248,8,129,198,239,252,233,244,1,255,141,76, - 202,8,139,105,232,139,65,252,236,137,41,137,65,4,139,105,252,240,139,65,252, - 244,137,105,8,137,65,12,139,105,224,139,65,228,137,105,252,248,137,65,252, - 252,129,252,248,239,184,237,15,133,244,29,137,202,137,114,252,252,139,181, - 233,139,14,15,182,252,233,15,182,205,131,198,4,252,255,36,171,255,137,124, - 36,16,137,92,36,20,139,108,202,252,240,139,68,202,252,248,139,157,233,131, - 198,4,139,189,233,248,1,57,216,15,131,244,251,129,124,253,199,4,239,15,132, - 244,250,255,219,68,202,252,248,255,139,108,199,4,137,108,202,12,139,44,199, - 137,108,202,8,131,192,1,255,137,68,202,252,248,248,2,15,183,70,252,254,141, - 180,253,134,233,248,3,139,92,36,20,139,124,36,16,139,6,15,182,204,15,182, - 232,131,198,4,193,232,16,252,255,36,171,248,4,131,192,1,255,137,68,202,252, - 248,255,252,233,244,1,248,5,41,216,248,6,59,133,233,15,135,244,3,105,252, - 248,239,3,189,233,129,191,233,239,15,132,244,253,141,92,24,1,139,175,233, - 139,135,233,137,44,202,137,68,202,4,139,175,233,139,135,233,137,108,202,8, - 137,68,202,12,137,92,202,252,248,252,233,244,2,248,7,255,131,192,1,252,233, - 244,6,255,129,124,253,202,252,236,239,15,133,244,251,139,108,202,232,129, - 124,253,202,252,244,239,15,133,244,251,129,124,253,202,252,252,239,15,133, - 244,251,128,189,233,235,15,133,244,251,141,180,253,134,233,199,68,202,252, - 248,0,0,0,0,248,1,139,6,15,182,204,15,182,232,131,198,4,193,232,16,252,255, - 36,171,248,5,198,70,252,252,235,141,180,253,134,233,198,6,235,252,233,244, - 1,255,15,182,252,236,15,182,192,137,124,36,16,141,188,253,194,233,141,12, - 202,43,122,252,252,133,252,237,15,132,244,251,141,108,252,233,252,248,57, - 215,15,131,244,248,248,1,139,71,252,248,137,1,139,71,252,252,131,199,8,137, - 65,4,131,193,8,57,252,233,15,131,244,249,57,215,15,130,244,1,248,2,199,65, - 4,237,131,193,8,57,252,233,15,130,244,2,248,3,139,124,36,16,139,6,15,182, - 204,15,182,232,131,198,4,193,232,16,252,255,36,171,248,5,199,68,36,20,1,0, - 0,0,137,208,41,252,248,15,134,244,3,137,197,193,252,237,3,131,197,1,137,108, - 36,20,139,108,36,48,1,200,59,133,233,15,135,244,253,248,6,255,139,71,252, - 248,137,1,139,71,252,252,131,199,8,137,65,4,131,193,8,57,215,15,130,244,6, - 252,233,244,3,248,7,137,149,233,137,141,233,137,116,36,24,41,215,139,84,36, - 20,131,252,234,1,137,252,233,232,251,1,0,139,149,233,139,141,233,1,215,252, - 233,244,6,255,193,225,3,255,248,1,139,114,252,252,137,68,36,20,252,247,198, - 237,15,133,244,253,255,248,13,137,215,131,232,1,15,132,244,249,248,2,139, - 44,15,137,111,252,248,139,108,15,4,137,111,252,252,131,199,8,131,232,1,15, - 133,244,2,248,3,139,68,36,20,15,182,110,252,255,248,5,57,197,15,135,244,252, - 255,139,108,10,4,137,106,252,252,139,44,10,137,106,252,248,255,248,5,56,70, - 252,255,15,135,244,252,255,15,182,78,252,253,252,247,209,141,20,202,139,122, - 252,248,139,191,233,139,191,233,139,6,15,182,204,15,182,232,131,198,4,193, - 232,16,252,255,36,171,248,6,255,199,71,252,252,237,131,199,8,255,199,68,194, - 252,244,237,255,131,192,1,252,233,244,5,248,7,141,174,233,252,247,197,237, - 15,133,244,14,41,252,234,255,1,252,233,255,137,252,245,209,252,237,129,229, - 239,102,129,172,253,43,233,238,15,130,244,149,255,141,12,202,255,129,121, - 253,4,239,15,133,244,255,255,129,121,253,12,239,15,133,244,61,129,121,253, - 20,239,15,133,244,61,139,41,131,121,16,0,15,140,244,251,255,129,121,253,12, - 239,15,133,244,165,129,121,253,20,239,15,133,244,165,255,139,105,16,133,252, - 237,15,136,244,251,3,41,15,128,244,247,137,41,255,59,105,8,199,65,28,237, - 137,105,24,255,15,142,244,253,248,1,248,6,141,180,253,134,233,255,141,180, - 253,134,233,15,183,70,252,254,15,142,245,248,1,248,6,255,15,143,244,253,248, - 6,141,180,253,134,233,248,1,255,248,7,139,6,15,182,204,15,182,232,131,198, - 4,193,232,16,252,255,36,171,248,5,255,3,41,15,128,244,1,137,41,255,15,141, - 244,7,255,141,180,253,134,233,15,183,70,252,254,15,141,245,255,15,140,244, - 7,255,252,233,244,6,248,9,255,129,121,253,4,239,255,15,131,244,61,129,121, - 253,12,239,15,131,244,61,255,129,121,253,12,239,15,131,244,165,129,121,253, - 20,239,15,131,244,165,255,139,105,20,255,129,252,253,239,15,131,244,61,255, - 252,242,15,16,1,252,242,15,16,73,8,255,252,242,15,88,65,16,252,242,15,17, - 1,133,252,237,15,136,244,249,255,15,140,244,249,255,102,15,46,200,248,1,252, - 242,15,17,65,24,255,221,65,8,221,1,255,220,65,16,221,17,221,81,24,133,252, - 237,15,136,244,247,255,221,81,24,15,140,244,247,255,217,201,248,1,255,15, - 183,70,252,254,255,15,131,244,7,255,15,131,244,248,141,180,253,134,233,255, - 141,180,253,134,233,15,183,70,252,254,15,131,245,255,15,130,244,7,255,15, - 130,244,248,141,180,253,134,233,255,248,3,102,15,46,193,252,233,244,1,255, - 141,12,202,139,105,4,129,252,253,239,15,132,244,247,255,137,105,252,252,139, - 41,137,105,252,248,252,233,245,255,141,180,253,134,233,139,1,137,105,252, - 252,137,65,252,248,255,139,139,233,139,4,129,139,128,233,139,108,36,48,137, - 147,233,137,171,233,252,255,224,255,141,180,253,134,233,139,6,15,182,204, - 15,182,232,131,198,4,193,232,16,252,255,36,171,255,137,252,245,209,252,237, - 129,229,239,102,129,172,253,43,233,238,15,130,244,151,255,139,190,233,139, - 108,36,48,141,12,202,59,141,233,15,135,244,24,15,182,142,233,57,200,15,134, - 244,249,248,2,255,15,183,70,252,254,252,233,245,255,248,3,199,68,194,252, - 252,237,131,192,1,57,200,15,134,244,3,252,233,244,2,255,141,44,197,237,141, - 4,194,139,122,252,248,137,104,252,252,137,120,252,248,139,108,36,48,141,12, - 200,59,141,233,15,135,244,23,137,209,137,194,15,182,174,233,133,252,237,15, - 132,244,248,248,1,131,193,8,57,209,15,131,244,249,139,121,252,248,137,56, - 139,121,252,252,137,120,4,131,192,8,199,65,252,252,237,131,252,237,1,15,133, - 244,1,248,2,255,139,190,233,139,6,15,182,204,15,182,232,131,198,4,193,232, - 16,252,255,36,171,255,248,3,199,64,4,237,131,192,8,131,252,237,1,15,133,244, - 3,252,233,244,2,255,139,106,252,248,139,189,233,139,108,36,48,141,68,194, - 252,248,137,149,233,141,136,233,59,141,233,137,133,233,255,137,44,36,255, - 137,124,36,4,137,44,36,255,15,135,244,22,199,131,233,237,255,252,255,215, - 255,252,255,147,233,255,199,131,233,237,139,149,233,141,12,194,252,247,217, - 3,141,233,139,114,252,252,252,233,244,12,255,254,0 -}; - -enum { - GLOB_vm_returnp, - GLOB_cont_dispatch, - GLOB_vm_returnc, - GLOB_BC_RET_Z, - GLOB_vm_return, - GLOB_vm_leave_cp, - GLOB_vm_leave_unw, - GLOB_vm_unwind_c, - GLOB_vm_unwind_c_eh, - GLOB_vm_unwind_rethrow, - GLOB_vm_unwind_ff, - GLOB_vm_unwind_ff_eh, - GLOB_vm_growstack_c, - GLOB_vm_growstack_v, - GLOB_vm_growstack_f, - GLOB_vm_resume, - GLOB_vm_pcall, - GLOB_vm_call, - GLOB_vm_call_dispatch, - GLOB_vmeta_call, - GLOB_vm_call_dispatch_f, - GLOB_vm_cpcall, - GLOB_cont_ffi_callback, - GLOB_vm_call_tail, - GLOB_cont_cat, - GLOB_cont_ra, - GLOB_BC_CAT_Z, - GLOB_vmeta_tgets, - GLOB_vmeta_tgetb, - GLOB_vmeta_tgetv, - GLOB_vmeta_tsets, - GLOB_vmeta_tsetb, - GLOB_vmeta_tsetv, - GLOB_cont_nop, - GLOB_vmeta_comp, - GLOB_vmeta_binop, - GLOB_cont_condt, - GLOB_cont_condf, - GLOB_vmeta_equal, - GLOB_vmeta_equal_cd, - GLOB_vmeta_arith_vno, - GLOB_vmeta_arith_vn, - GLOB_vmeta_arith_nvo, - GLOB_vmeta_arith_nv, - GLOB_vmeta_unm, - GLOB_vmeta_arith_vvo, - GLOB_vmeta_arith_vv, - GLOB_vmeta_len, - GLOB_BC_LEN_Z, - GLOB_vmeta_call_ra, - GLOB_BC_CALLT_Z, - GLOB_vmeta_for, - GLOB_ff_assert, - GLOB_fff_fallback, - GLOB_fff_res_, - GLOB_ff_type, - GLOB_fff_res1, - GLOB_ff_getmetatable, - GLOB_ff_setmetatable, - GLOB_ff_rawget, - GLOB_ff_tonumber, - GLOB_fff_resi, - GLOB_fff_resxmm0, - GLOB_fff_resn, - GLOB_ff_tostring, - GLOB_fff_gcstep, - GLOB_ff_next, - GLOB_fff_res2, - GLOB_fff_res, - GLOB_ff_pairs, - GLOB_ff_ipairs_aux, - GLOB_fff_res0, - GLOB_ff_ipairs, - GLOB_ff_pcall, - GLOB_ff_xpcall, - GLOB_ff_coroutine_resume, - GLOB_ff_coroutine_wrap_aux, - GLOB_ff_coroutine_yield, - GLOB_ff_math_abs, - GLOB_fff_resbit, - GLOB_ff_math_floor, - GLOB_vm_floor, - GLOB_ff_math_ceil, - GLOB_vm_ceil, - GLOB_ff_math_sqrt, - GLOB_ff_math_log, - GLOB_ff_math_log10, - GLOB_ff_math_exp, - GLOB_vm_exp_x87, - GLOB_ff_math_sin, - GLOB_ff_math_cos, - GLOB_ff_math_tan, - GLOB_ff_math_asin, - GLOB_ff_math_acos, - GLOB_ff_math_atan, - GLOB_ff_math_sinh, - GLOB_ff_math_cosh, - GLOB_ff_math_tanh, - GLOB_ff_math_deg, - GLOB_ff_math_rad, - GLOB_ff_math_atan2, - GLOB_ff_math_ldexp, - GLOB_ff_math_frexp, - GLOB_ff_math_modf, - GLOB_vm_trunc, - GLOB_ff_math_fmod, - GLOB_ff_math_pow, - GLOB_vm_pow, - GLOB_ff_math_min, - GLOB_ff_math_max, - GLOB_ff_string_len, - GLOB_ff_string_byte, - GLOB_ff_string_char, - GLOB_fff_newstr, - GLOB_ff_string_sub, - GLOB_fff_emptystr, - GLOB_ff_string_rep, - GLOB_fff_fallback_2, - GLOB_ff_string_reverse, - GLOB_fff_fallback_1, - GLOB_ff_string_lower, - GLOB_ff_string_upper, - GLOB_ff_table_getn, - GLOB_ff_bit_tobit, - GLOB_ff_bit_band, - GLOB_fff_fallback_bit_op, - GLOB_ff_bit_bor, - GLOB_ff_bit_bxor, - GLOB_ff_bit_bswap, - GLOB_ff_bit_bnot, - GLOB_ff_bit_lshift, - GLOB_ff_bit_rshift, - GLOB_ff_bit_arshift, - GLOB_ff_bit_rol, - GLOB_ff_bit_ror, - GLOB_vm_record, - GLOB_vm_rethook, - GLOB_vm_inshook, - GLOB_cont_hook, - GLOB_vm_hotloop, - GLOB_vm_callhook, - GLOB_vm_hotcall, - GLOB_vm_exit_handler, - GLOB_vm_exit_interp, - GLOB_vm_floor_sse, - GLOB_vm_ceil_sse, - GLOB_vm_trunc_sse, - GLOB_vm_mod, - GLOB_vm_exp2_x87, - GLOB_vm_exp2raw, - GLOB_vm_pow_sse, - GLOB_vm_powi_sse, - GLOB_vm_foldfpm, - GLOB_vm_foldarith, - GLOB_vm_cpuid, - GLOB_assert_bad_for_arg_type, - GLOB_vm_ffi_callback, - GLOB_vm_ffi_call, - GLOB_BC_MODVN_Z, - GLOB_BC_TGETS_Z, - GLOB_BC_TSETS_Z, - GLOB__MAX -}; -static const char *const globnames[] = { - "vm_returnp", - "cont_dispatch", - "vm_returnc", - "BC_RET_Z", - "vm_return", - "vm_leave_cp", - "vm_leave_unw", - "vm_unwind_c@8", - "vm_unwind_c_eh", - "vm_unwind_rethrow", - "vm_unwind_ff@4", - "vm_unwind_ff_eh", - "vm_growstack_c", - "vm_growstack_v", - "vm_growstack_f", - "vm_resume", - "vm_pcall", - "vm_call", - "vm_call_dispatch", - "vmeta_call", - "vm_call_dispatch_f", - "vm_cpcall", - "cont_ffi_callback", - "vm_call_tail", - "cont_cat", - "cont_ra", - "BC_CAT_Z", - "vmeta_tgets", - "vmeta_tgetb", - "vmeta_tgetv", - "vmeta_tsets", - "vmeta_tsetb", - "vmeta_tsetv", - "cont_nop", - "vmeta_comp", - "vmeta_binop", - "cont_condt", - "cont_condf", - "vmeta_equal", - "vmeta_equal_cd", - "vmeta_arith_vno", - "vmeta_arith_vn", - "vmeta_arith_nvo", - "vmeta_arith_nv", - "vmeta_unm", - "vmeta_arith_vvo", - "vmeta_arith_vv", - "vmeta_len", - "BC_LEN_Z", - "vmeta_call_ra", - "BC_CALLT_Z", - "vmeta_for", - "ff_assert", - "fff_fallback", - "fff_res_", - "ff_type", - "fff_res1", - "ff_getmetatable", - "ff_setmetatable", - "ff_rawget", - "ff_tonumber", - "fff_resi", - "fff_resxmm0", - "fff_resn", - "ff_tostring", - "fff_gcstep", - "ff_next", - "fff_res2", - "fff_res", - "ff_pairs", - "ff_ipairs_aux", - "fff_res0", - "ff_ipairs", - "ff_pcall", - "ff_xpcall", - "ff_coroutine_resume", - "ff_coroutine_wrap_aux", - "ff_coroutine_yield", - "ff_math_abs", - "fff_resbit", - "ff_math_floor", - "vm_floor", - "ff_math_ceil", - "vm_ceil", - "ff_math_sqrt", - "ff_math_log", - "ff_math_log10", - "ff_math_exp", - "vm_exp_x87", - "ff_math_sin", - "ff_math_cos", - "ff_math_tan", - "ff_math_asin", - "ff_math_acos", - "ff_math_atan", - "ff_math_sinh", - "ff_math_cosh", - "ff_math_tanh", - "ff_math_deg", - "ff_math_rad", - "ff_math_atan2", - "ff_math_ldexp", - "ff_math_frexp", - "ff_math_modf", - "vm_trunc", - "ff_math_fmod", - "ff_math_pow", - "vm_pow", - "ff_math_min", - "ff_math_max", - "ff_string_len", - "ff_string_byte", - "ff_string_char", - "fff_newstr", - "ff_string_sub", - "fff_emptystr", - "ff_string_rep", - "fff_fallback_2", - "ff_string_reverse", - "fff_fallback_1", - "ff_string_lower", - "ff_string_upper", - "ff_table_getn", - "ff_bit_tobit", - "ff_bit_band", - "fff_fallback_bit_op", - "ff_bit_bor", - "ff_bit_bxor", - "ff_bit_bswap", - "ff_bit_bnot", - "ff_bit_lshift", - "ff_bit_rshift", - "ff_bit_arshift", - "ff_bit_rol", - "ff_bit_ror", - "vm_record", - "vm_rethook", - "vm_inshook", - "cont_hook", - "vm_hotloop", - "vm_callhook", - "vm_hotcall", - "vm_exit_handler", - "vm_exit_interp", - "vm_floor_sse", - "vm_ceil_sse", - "vm_trunc_sse", - "vm_mod", - "vm_exp2_x87", - "vm_exp2raw", - "vm_pow_sse", - "vm_powi_sse", - "vm_foldfpm", - "vm_foldarith", - "vm_cpuid", - "assert_bad_for_arg_type", - "vm_ffi_callback", - "vm_ffi_call@4", - "BC_MODVN_Z", - "BC_TGETS_Z", - "BC_TSETS_Z", - (const char *)0 -}; -static const char *const extnames[] = { - "lj_state_growstack@8", - "lj_meta_tget", - "lj_meta_tset", - "lj_meta_comp", - "lj_meta_equal", - "lj_meta_equal_cd@8", - "lj_meta_arith", - "lj_meta_len@8", - "lj_meta_call", - "lj_meta_for@8", - "lj_tab_get", - "lj_str_fromnumber@8", - "lj_str_fromnum@8", - "lj_tab_next", - "lj_tab_getinth@8", - "lj_ffh_coroutine_wrap_err@8", - "lj_vm_sinh", - "lj_vm_cosh", - "lj_vm_tanh", - "lj_str_new", - "lj_tab_len@4", - "lj_gc_step@4", - "lj_dispatch_ins@8", - "lj_trace_hot@8", - "lj_dispatch_call@8", - "lj_trace_exit@8", - "lj_err_throw@8", - "lj_ccallback_enter@8", - "lj_ccallback_leave@8", - "lj_meta_cat", - "lj_gc_barrieruv@8", - "lj_func_closeuv@8", - "lj_func_newL_gc", - "lj_tab_new", - "lj_gc_step_fixtop@4", - "lj_tab_dup@8", - "lj_tab_newkey", - "lj_tab_reasize", - (const char *)0 -}; -#define Dt1(_V) (int)(ptrdiff_t)&(((lua_State *)0)_V) -#define Dt2(_V) (int)(ptrdiff_t)&(((global_State *)0)_V) -#define Dt3(_V) (int)(ptrdiff_t)&(((TValue *)0)_V) -#define Dt4(_V) (int)(ptrdiff_t)&(((GCobj *)0)_V) -#define Dt5(_V) (int)(ptrdiff_t)&(((GCstr *)0)_V) -#define Dt6(_V) (int)(ptrdiff_t)&(((GCtab *)0)_V) -#define Dt7(_V) (int)(ptrdiff_t)&(((GCfuncL *)0)_V) -#define Dt8(_V) (int)(ptrdiff_t)&(((GCfuncC *)0)_V) -#define Dt9(_V) (int)(ptrdiff_t)&(((GCproto *)0)_V) -#define DtA(_V) (int)(ptrdiff_t)&(((GCupval *)0)_V) -#define DtB(_V) (int)(ptrdiff_t)&(((Node *)0)_V) -#define DtC(_V) (int)(ptrdiff_t)&(((int *)0)_V) -#define DtD(_V) (int)(ptrdiff_t)&(((GCtrace *)0)_V) -#define DISPATCH_GL(field) (GG_DISP2G + (int)offsetof(global_State, field)) -#define DISPATCH_J(field) (GG_DISP2J + (int)offsetof(jit_State, field)) -#define PC2PROTO(field) ((int)offsetof(GCproto, field)-(int)sizeof(GCproto)) - -/* Generate subroutines used by opcodes and other parts of the VM. */ -/* The .code_sub section should be last to help static branch prediction. */ -static void build_subroutines(BuildCtx *ctx, int cmov, int sse) -{ - dasm_put(Dst, 0); - dasm_put(Dst, 2, FRAME_P, LJ_TTRUE, FRAME_TYPE, FRAME_C, FRAME_TYPE, DISPATCH_GL(vmstate), ~LJ_VMST_C); - dasm_put(Dst, 114, Dt1(->base), Dt1(->top), Dt1(->cframe), Dt1(->maxstack), LJ_TNIL); - dasm_put(Dst, 200, Dt1(->top), Dt1(->top), Dt1(->glref), Dt2(->vmstate), ~LJ_VMST_C, CFRAME_RAWMASK); - dasm_put(Dst, 275, 1+1, Dt1(->base), Dt1(->glref), GG_G2DISP, LJ_TFALSE, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, LUA_MINSTACK, -4+PC2PROTO(framesize), Dt1(->base)); - dasm_put(Dst, 353, Dt1(->top), Dt1(->base), Dt1(->top), Dt7(->pc), FRAME_CP, CFRAME_RESUME, Dt1(->glref), GG_G2DISP, Dt1(->cframe), Dt1(->status), DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->status), Dt1(->base), Dt1(->top), FRAME_TYPE); - dasm_put(Dst, 495, FRAME_CP, FRAME_C, Dt1(->cframe), Dt1(->cframe), Dt1(->glref), GG_G2DISP, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->base)); - dasm_put(Dst, 573, Dt1(->top), LJ_TFUNC, Dt7(->pc), Dt1(->stack), Dt1(->top), Dt1(->cframe), Dt1(->cframe), FRAME_CP, LJ_TNIL); -#if LJ_HASFFI -#endif - dasm_put(Dst, 743); -#if LJ_HASFFI - dasm_put(Dst, 748); -#endif - dasm_put(Dst, 757, Dt7(->pc), PC2PROTO(k)); -#if LJ_HASFFI - dasm_put(Dst, 771); -#endif - dasm_put(Dst, 792, LJ_TSTR, BC_GGET, DISPATCH_GL(tmptv), LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 890, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 900); - } else { - dasm_put(Dst, 913); - } - dasm_put(Dst, 926, Dt1(->base), Dt1(->base), Dt1(->top), FRAME_CONT, 2+1, LJ_TSTR, BC_GSET); - dasm_put(Dst, 1078, DISPATCH_GL(tmptv), LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 890, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 900); - } else { - dasm_put(Dst, 913); - } - dasm_put(Dst, 1101, Dt1(->base), Dt1(->base), Dt1(->top), FRAME_CONT, 3+1, Dt1(->base), Dt1(->base)); - dasm_put(Dst, 1295, -BCBIAS_J*4, LJ_TISTRUECOND, LJ_TISTRUECOND, Dt1(->base)); - dasm_put(Dst, 1402); -#if LJ_HASFFI - dasm_put(Dst, 1417, Dt1(->base)); -#endif - dasm_put(Dst, 1448); -#if LJ_DUALNUM - dasm_put(Dst, 1451); -#endif - dasm_put(Dst, 1457); -#if LJ_DUALNUM - dasm_put(Dst, 884); -#endif - dasm_put(Dst, 1469); -#if LJ_DUALNUM - dasm_put(Dst, 1451); -#endif - dasm_put(Dst, 1497, Dt1(->base), Dt1(->base), FRAME_CONT, 2+1, Dt1(->base), Dt1(->base)); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 1607); -#else - dasm_put(Dst, 1626); -#endif - dasm_put(Dst, 1631, Dt1(->base), Dt1(->base), Dt7(->pc), Dt1(->base), Dt1(->base), GG_DISP2STATIC, 1+1, LJ_TISTRUECOND); - dasm_put(Dst, 1820, 1+1, ~LJ_TNUMX); - if (cmov) { - dasm_put(Dst, 1878); - } else { - dasm_put(Dst, 1882); - } - dasm_put(Dst, 1891, ((char *)(&((GCfuncC *)0)->upvalue)), LJ_TSTR, 1+1, LJ_TTAB, Dt6(->metatable), LJ_TNIL, DISPATCH_GL(gcroot)+4*(GCROOT_MMNAME+MM_metatable), LJ_TTAB); - dasm_put(Dst, 1974, Dt6(->hmask), Dt5(->hash), sizeof(Node), Dt6(->node), DtB(->key.it), LJ_TSTR, DtB(->key.gcr), DtB(->next), LJ_TNIL); - dasm_put(Dst, 2032, LJ_TUDATA, LJ_TISNUM, LJ_TNUMX, DISPATCH_GL(gcroot[GCROOT_BASEMT]), 2+1); - dasm_put(Dst, 2095, LJ_TTAB, Dt6(->metatable), LJ_TTAB, Dt6(->metatable), LJ_TTAB, Dt6(->marked), LJ_GC_BLACK, Dt6(->marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - dasm_put(Dst, 2167, 2+1, LJ_TTAB, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 2256); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 2278); - } else { - dasm_put(Dst, 2288); - } - dasm_put(Dst, 2295, 1+1, LJ_TSTR, LJ_TSTR, LJ_TISNUM, DISPATCH_GL(gcroot[GCROOT_BASEMT_NUM]), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - dasm_put(Dst, 2361, Dt1(->base)); - if (LJ_DUALNUM) { - dasm_put(Dst, 2385); - } else { - dasm_put(Dst, 2390); - } - dasm_put(Dst, 2395, Dt1(->base), 1+1, LJ_TTAB, Dt1(->base), Dt1(->top), Dt1(->base), 1+2); - dasm_put(Dst, 2504, LJ_TNIL, LJ_TNIL, 1+1, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 2551, Dt6(->metatable)); -#endif - dasm_put(Dst, 2560, Dt8(->upvalue[0]), LJ_TFUNC, LJ_TNIL, 1+3, 1+1, LJ_TTAB, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 2546); - } else { - dasm_put(Dst, 2273); - } - dasm_put(Dst, 2615); - if (LJ_DUALNUM) { - dasm_put(Dst, 2620, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 2636); - } else { - dasm_put(Dst, 2675); - } - dasm_put(Dst, 2693, Dt6(->asize), Dt6(->array), LJ_TNIL, Dt6(->hmask), 1+0); - dasm_put(Dst, 2531, 1+1, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 2551, Dt6(->metatable)); -#endif - dasm_put(Dst, 2774, Dt8(->upvalue[0]), LJ_TFUNC); - if (LJ_DUALNUM) { - dasm_put(Dst, 2795, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 2807); - } else { - dasm_put(Dst, 2817); - } - dasm_put(Dst, 2824, 1+3, 1+1, 8+FRAME_PCALL, DISPATCH_GL(hookmask), HOOK_ACTIVE_SHIFT, 2+1, LJ_TFUNC); - dasm_put(Dst, 2888, LJ_TFUNC, 16+FRAME_PCALL, 1+1, LJ_TTHREAD, Dt1(->cframe), Dt1(->status), LUA_YIELD, Dt1(->top)); - dasm_put(Dst, 2976, Dt1(->base), Dt1(->maxstack), Dt1(->top), Dt1(->base), Dt1(->top), DISPATCH_GL(vmstate), ~LJ_VMST_INTERP); - dasm_put(Dst, 3077, Dt1(->base), LUA_YIELD, Dt1(->base), Dt1(->top), Dt1(->top), Dt1(->maxstack), LJ_TTRUE, FRAME_TYPE); - dasm_put(Dst, 3191, LJ_TFALSE, Dt1(->top), Dt1(->top), 1+2, Dt1(->top), Dt1(->base), Dt8(->upvalue[0].gcr), Dt1(->cframe)); - dasm_put(Dst, 3289, Dt1(->status), LUA_YIELD, Dt1(->top), Dt1(->base), Dt1(->maxstack), Dt1(->top), Dt1(->base), Dt1(->top)); - dasm_put(Dst, 3355, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->base), LUA_YIELD, Dt1(->base), Dt1(->top), Dt1(->top), Dt1(->maxstack)); - dasm_put(Dst, 3456, FRAME_TYPE, Dt1(->top), Dt1(->base), Dt1(->cframe), CFRAME_RESUME); - dasm_put(Dst, 3569, Dt1(->base), Dt1(->top), Dt1(->cframe), LUA_YIELD, Dt1(->status)); - if (!LJ_DUALNUM) { - dasm_put(Dst, 3595); - } - if (sse) { - dasm_put(Dst, 3598); - } - dasm_put(Dst, 3613, 1+1); - if (LJ_DUALNUM) { - dasm_put(Dst, 3624, LJ_TISNUM, LJ_TISNUM); - } else { - dasm_put(Dst, 3704, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 3714); - } else { - dasm_put(Dst, 3750); - } - dasm_put(Dst, 3767, 1+1, FRAME_TYPE, LJ_TNIL); - if (LJ_DUALNUM) { - dasm_put(Dst, 3859, LJ_TISNUM); - } else { - dasm_put(Dst, 3704, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 3881); - if (LJ_DUALNUM) { - dasm_put(Dst, 3890); - } - dasm_put(Dst, 2283); - } else { - dasm_put(Dst, 3924); - if (LJ_DUALNUM) { - dasm_put(Dst, 3930); - if (cmov) { - dasm_put(Dst, 3953); - } else { - dasm_put(Dst, 3959); - } - dasm_put(Dst, 3966); - } else { - dasm_put(Dst, 2290); - } - } - dasm_put(Dst, 3983); - if (LJ_DUALNUM) { - dasm_put(Dst, 3859, LJ_TISNUM); - } else { - dasm_put(Dst, 3704, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 3986); - if (LJ_DUALNUM) { - dasm_put(Dst, 3890); - } - dasm_put(Dst, 2283); - } else { - dasm_put(Dst, 3995); - if (LJ_DUALNUM) { - dasm_put(Dst, 3930); - if (cmov) { - dasm_put(Dst, 3953); - } else { - dasm_put(Dst, 3959); - } - dasm_put(Dst, 3966); - } else { - dasm_put(Dst, 2290); - } - } - if (sse) { - dasm_put(Dst, 4001, 1+1, LJ_TISNUM); - } else { - dasm_put(Dst, 4030, 1+1, LJ_TISNUM); - } - dasm_put(Dst, 4059, 1+1, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1); - dasm_put(Dst, 4128, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1); - dasm_put(Dst, 4185, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1); - dasm_put(Dst, 4248, LJ_TISNUM, 1+1, LJ_TISNUM, 1+1, LJ_TISNUM); - dasm_put(Dst, 4338); - if (sse) { - dasm_put(Dst, 4350, 1+1, LJ_TISNUM); - } else { - dasm_put(Dst, 4381, 1+1, LJ_TISNUM); - } - dasm_put(Dst, 4406); - if (sse) { - dasm_put(Dst, 4420, 1+1, LJ_TISNUM); - } else { - dasm_put(Dst, 4451, 1+1, LJ_TISNUM); - } - dasm_put(Dst, 4476); - if (sse) { - dasm_put(Dst, 4490, 1+1, LJ_TISNUM); - } else { - dasm_put(Dst, 4521, 1+1, LJ_TISNUM); - } - dasm_put(Dst, 4546); - if (sse) { - dasm_put(Dst, 4562, 1+1, LJ_TISNUM, Dt8(->upvalue[0])); - } else { - dasm_put(Dst, 4601, 1+1, LJ_TISNUM, Dt8(->upvalue[0])); - } - dasm_put(Dst, 4634, 2+1, LJ_TISNUM, LJ_TISNUM, 2+1, LJ_TISNUM, LJ_TISNUM); - dasm_put(Dst, 4699, 1+1, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 4798); - } else { - dasm_put(Dst, 4804); - } - dasm_put(Dst, 4813); - if (sse) { - dasm_put(Dst, 4838); - } else { - dasm_put(Dst, 4844); - } - dasm_put(Dst, 4847, 1+2); - if (sse) { - dasm_put(Dst, 4856); - } else { - dasm_put(Dst, 4864); - } - dasm_put(Dst, 4872); - if (sse) { - dasm_put(Dst, 4875); - } else { - dasm_put(Dst, 4907); - } - dasm_put(Dst, 4926); - if (sse) { - dasm_put(Dst, 4942, 1+1, LJ_TISNUM); - } else { - dasm_put(Dst, 4967, 1+1, LJ_TISNUM); - } - dasm_put(Dst, 4989); - if (sse) { - dasm_put(Dst, 5011); - } else { - dasm_put(Dst, 5037); - } - dasm_put(Dst, 5054, 1+2); - if (sse) { - dasm_put(Dst, 5094); - } else { - dasm_put(Dst, 5102); - } - dasm_put(Dst, 5112, 2+1, LJ_TISNUM, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 5164, 2+1, LJ_TISNUM, LJ_TISNUM); - } else { - dasm_put(Dst, 5211, 2+1, LJ_TISNUM, LJ_TISNUM); - } - dasm_put(Dst, 5252, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5265, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 4798); - } else { - dasm_put(Dst, 4804); - } - dasm_put(Dst, 5315); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 5326, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5347); - } else { - dasm_put(Dst, 2273); - } - dasm_put(Dst, 5368); - } else { - dasm_put(Dst, 5393, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5411); - } else { - dasm_put(Dst, 5429); - } - dasm_put(Dst, 5434); - if (cmov) { - dasm_put(Dst, 5444); - } else { - dasm_put(Dst, 5452); - } - dasm_put(Dst, 5385); - } - dasm_put(Dst, 5473, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5486, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 4798); - } else { - dasm_put(Dst, 4804); - } - dasm_put(Dst, 5315); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 5326, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5347); - } else { - dasm_put(Dst, 2273); - } - dasm_put(Dst, 5536); - } else { - dasm_put(Dst, 5393, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5411); - } else { - dasm_put(Dst, 5429); - } - dasm_put(Dst, 5434); - if (cmov) { - dasm_put(Dst, 5561); - } else { - dasm_put(Dst, 5569); - } - dasm_put(Dst, 5385); - } - if (!sse) { - dasm_put(Dst, 5590); - } - dasm_put(Dst, 5599, 1+1, LJ_TSTR); - if (LJ_DUALNUM) { - dasm_put(Dst, 5621, Dt5(->len)); - } else if (sse) { - dasm_put(Dst, 5629, Dt5(->len)); - } else { - dasm_put(Dst, 5640, Dt5(->len)); - } - dasm_put(Dst, 5648, 1+1, LJ_TSTR, Dt5(->len), Dt5([1])); - if (LJ_DUALNUM) { - dasm_put(Dst, 3978); - } else if (sse) { - dasm_put(Dst, 5686); - } else { - dasm_put(Dst, 5696); - } - dasm_put(Dst, 5709, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5740); - } else if (sse) { - dasm_put(Dst, 5763); - } else { - dasm_put(Dst, 5789); - } - dasm_put(Dst, 5813, Dt1(->base), Dt1(->base), LJ_TSTR, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), 1+2, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 5916); - } else if (sse) { - dasm_put(Dst, 5928); - } else { - dasm_put(Dst, 5943); - } - dasm_put(Dst, 5955, LJ_TSTR, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 2546); - } else { - dasm_put(Dst, 2273); - } - dasm_put(Dst, 5972, Dt5(->len)); - if (LJ_DUALNUM) { - dasm_put(Dst, 5982); - } else if (sse) { - dasm_put(Dst, 5986); - } else { - dasm_put(Dst, 5993); - } - dasm_put(Dst, 6005, sizeof(GCstr)-1); - dasm_put(Dst, 6080, 2+1, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold)); - dasm_put(Dst, 6139, LJ_TSTR, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6156); - } else if (sse) { - dasm_put(Dst, 6164); - } else { - dasm_put(Dst, 6175); - } - dasm_put(Dst, 6191, Dt5(->len), DISPATCH_GL(tmpbuf.sz), Dt5([1]), DISPATCH_GL(tmpbuf.buf), DISPATCH_GL(tmpbuf.buf), 1+1); - dasm_put(Dst, 6256, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf)); - dasm_put(Dst, 6319, 1+1, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz)); - dasm_put(Dst, 6390, sizeof(GCstr), DISPATCH_GL(tmpbuf.buf), 1+1); - dasm_put(Dst, 6475, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), LJ_TSTR, Dt5(->len), DISPATCH_GL(tmpbuf.sz), sizeof(GCstr), DISPATCH_GL(tmpbuf.buf)); - dasm_put(Dst, 6545, 1+1, LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 6613); - } else if (sse) { - dasm_put(Dst, 6620); - } else { - dasm_put(Dst, 6630); - } - dasm_put(Dst, 6641, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6657); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6674); - } else { - dasm_put(Dst, 6703); - } - dasm_put(Dst, 111); - if (LJ_DUALNUM || sse) { - if (!sse) { - dasm_put(Dst, 6721); - } - dasm_put(Dst, 6725); - } else { - dasm_put(Dst, 6633); - } - dasm_put(Dst, 6730, 1+1); - if (sse) { - dasm_put(Dst, 6741); - } else { - dasm_put(Dst, 6756); - } - dasm_put(Dst, 2250, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6765); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6782); - } else { - dasm_put(Dst, 6797); - } - dasm_put(Dst, 6810, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6835); - } else { - dasm_put(Dst, 6855); - } - if (sse) { - dasm_put(Dst, 6860); - } else { - dasm_put(Dst, 6877); - } - dasm_put(Dst, 6890, 1+1); - if (sse) { - dasm_put(Dst, 6741); - } else { - dasm_put(Dst, 6756); - } - dasm_put(Dst, 2250, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6765); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6782); - } else { - dasm_put(Dst, 6797); - } - dasm_put(Dst, 6810, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6908); - } else { - dasm_put(Dst, 6855); - } - if (sse) { - dasm_put(Dst, 6928); - } else { - dasm_put(Dst, 6945); - } - dasm_put(Dst, 6958, 1+1); - if (sse) { - dasm_put(Dst, 6741); - } else { - dasm_put(Dst, 6756); - } - dasm_put(Dst, 2250, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6765); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6782); - } else { - dasm_put(Dst, 6797); - } - dasm_put(Dst, 6810, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6976); - } else { - dasm_put(Dst, 6855); - } - if (sse) { - dasm_put(Dst, 6996); - } else { - dasm_put(Dst, 7013); - } - dasm_put(Dst, 7026, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6765); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6674); - } else { - dasm_put(Dst, 7049); - } - dasm_put(Dst, 7070, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6765); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6674); - } else { - dasm_put(Dst, 7049); - } - dasm_put(Dst, 7094); - if (LJ_DUALNUM) { - dasm_put(Dst, 6725); - } else if (sse) { - dasm_put(Dst, 7100); - } else { - dasm_put(Dst, 7112); - } - dasm_put(Dst, 7125); - if (LJ_DUALNUM) { - dasm_put(Dst, 7136, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6765); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6674); - } else { - dasm_put(Dst, 7049); - } - dasm_put(Dst, 7152, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 7167, 2+1, LJ_TISNUM, LJ_TISNUM); - } else { - dasm_put(Dst, 7239, 2+1, LJ_TISNUM, LJ_TISNUM); - } - dasm_put(Dst, 7303); - if (LJ_DUALNUM) { - dasm_put(Dst, 7310, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6765); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6674); - } else { - dasm_put(Dst, 7049); - } - dasm_put(Dst, 7152, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 7326, 2+1, LJ_TISNUM, LJ_TISNUM); - } else { - dasm_put(Dst, 7398, 2+1, LJ_TISNUM, LJ_TISNUM); - } - dasm_put(Dst, 7462); - if (LJ_DUALNUM) { - dasm_put(Dst, 7470, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6765); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6674); - } else { - dasm_put(Dst, 7049); - } - dasm_put(Dst, 7152, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 7486, 2+1, LJ_TISNUM, LJ_TISNUM); - } else { - dasm_put(Dst, 7558, 2+1, LJ_TISNUM, LJ_TISNUM); - } - dasm_put(Dst, 7622); - if (LJ_DUALNUM) { - dasm_put(Dst, 7630, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6765); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6674); - } else { - dasm_put(Dst, 7049); - } - dasm_put(Dst, 7152, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 7646, 2+1, LJ_TISNUM, LJ_TISNUM); - } else { - dasm_put(Dst, 7718, 2+1, LJ_TISNUM, LJ_TISNUM); - } - dasm_put(Dst, 7782); - if (LJ_DUALNUM) { - dasm_put(Dst, 7789, 1+1, LJ_TISNUM); - if (LJ_DUALNUM) { - dasm_put(Dst, 6765); - } else { - dasm_put(Dst, 2273); - } - if (sse) { - dasm_put(Dst, 6674); - } else { - dasm_put(Dst, 7049); - } - dasm_put(Dst, 7152, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 7805, 2+1, LJ_TISNUM, LJ_TISNUM); - } else { - dasm_put(Dst, 7877, 2+1, LJ_TISNUM, LJ_TISNUM); - } - dasm_put(Dst, 7941, 1+2, 1+1, Dt1(->base), 8*LUA_MINSTACK, Dt1(->top), Dt1(->maxstack), Dt8(->f), Dt1(->base)); - dasm_put(Dst, 8017, Dt1(->top), Dt7(->pc), FRAME_TYPE, LUA_MINSTACK, Dt1(->base), Dt1(->base)); - dasm_put(Dst, 8141, Dt1(->top), Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 8179, DISPATCH_GL(hookmask), HOOK_VMEVENT, HOOK_ACTIVE, LUA_MASKLINE|LUA_MASKCOUNT, DISPATCH_GL(hookcount)); -#endif - dasm_put(Dst, 8210, DISPATCH_GL(hookmask), HOOK_ACTIVE, DISPATCH_GL(hookmask), HOOK_ACTIVE, LUA_MASKLINE|LUA_MASKCOUNT, DISPATCH_GL(hookcount), LUA_MASKLINE); - dasm_put(Dst, 8261, Dt1(->base), Dt1(->base), GG_DISP2STATIC); -#if LJ_HASJIT - dasm_put(Dst, 8327, Dt7(->pc), PC2PROTO(framesize), Dt1(->base), Dt1(->top), GG_DISP2J, DISPATCH_J(L)); -#endif - dasm_put(Dst, 8373); -#if LJ_HASJIT - dasm_put(Dst, 8205); -#endif - dasm_put(Dst, 8380); -#if LJ_HASJIT - dasm_put(Dst, 8383); -#endif - dasm_put(Dst, 8393, Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 8427); -#endif - dasm_put(Dst, 8432, Dt1(->base), Dt1(->top)); -#if LJ_HASJIT - dasm_put(Dst, 8461, DISPATCH_GL(vmstate), DISPATCH_GL(vmstate), ~LJ_VMST_EXIT, DISPATCH_J(exitno), DISPATCH_J(parent), 8*8+16, DISPATCH_GL(jit_L), DISPATCH_GL(jit_base), DISPATCH_J(L), DISPATCH_GL(jit_L), Dt1(->base), GG_DISP2J, Dt1(->cframe), CFRAME_RAWMASK, CFRAME_OFS_L, Dt1(->base), CFRAME_OFS_PC); -#endif - dasm_put(Dst, 8604); -#if LJ_HASJIT - dasm_put(Dst, 8607, Dt7(->pc), PC2PROTO(k), DISPATCH_GL(jit_L), DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, BC_FUNCF); -#endif - dasm_put(Dst, 8685); - if (!sse) { - dasm_put(Dst, 8688); - } - dasm_put(Dst, 8733); - if (!sse) { - dasm_put(Dst, 8835); - } - dasm_put(Dst, 8880); - if (!sse) { - dasm_put(Dst, 8982); - } - dasm_put(Dst, 9021); - if (sse) { - dasm_put(Dst, 9126); - } else { - dasm_put(Dst, 9256); - } - dasm_put(Dst, 9303); - if (!sse) { - dasm_put(Dst, 9377); - if (cmov) { - dasm_put(Dst, 9388); - } else { - dasm_put(Dst, 9392); - } - dasm_put(Dst, 9399); - dasm_put(Dst, 9473); - dasm_put(Dst, 9573); - if (cmov) { - dasm_put(Dst, 9576); - } else { - dasm_put(Dst, 9580); - } - dasm_put(Dst, 9587); - if (cmov) { - dasm_put(Dst, 9388); - } else { - dasm_put(Dst, 9392); - } - dasm_put(Dst, 9605); - } else { - dasm_put(Dst, 9684); - } - dasm_put(Dst, 9687); - dasm_put(Dst, 9772); - dasm_put(Dst, 9902); - dasm_put(Dst, 10108); -#if LJ_HASJIT - if (sse) { - dasm_put(Dst, 10115); - dasm_put(Dst, 10172); - dasm_put(Dst, 10263); - } else { - dasm_put(Dst, 10305); - dasm_put(Dst, 10397); - } - dasm_put(Dst, 10443); -#endif - dasm_put(Dst, 10447); - if (sse) { - dasm_put(Dst, 10450); - dasm_put(Dst, 10555); - dasm_put(Dst, 10638); - } else { - dasm_put(Dst, 10710); - dasm_put(Dst, 10793); - if (cmov) { - dasm_put(Dst, 10848); - } else { - dasm_put(Dst, 10867); - } - dasm_put(Dst, 10443); - } - dasm_put(Dst, 10908); -#ifdef LUA_USE_ASSERT - dasm_put(Dst, 10445); -#endif - dasm_put(Dst, 10964); -#if LJ_HASFFI -#define DtE(_V) (int)(ptrdiff_t)&(((CTState *)0)_V) - dasm_put(Dst, 10968, GG_G2DISP, Dt2(->ctype_state), DtE(->cb.slot), CFRAME_SIZE+16, DtE(->cb.gpr[0]), DtE(->cb.gpr[1]), DtE(->cb.stack), CFRAME_SIZE+12, CFRAME_SIZE+8, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->base), Dt1(->top), Dt7(->pc)); -#endif - dasm_put(Dst, 11078); -#if LJ_HASFFI - dasm_put(Dst, 11081, DISPATCH_GL(ctype_state), DtE(->L), Dt1(->base), Dt1(->top), DtE(->cb.gpr[0]), DtE(->cb.gpr[1]), DtE(->cb.gpr[2]), DtE(->cb.fpr[0].d), DtE(->cb.fpr[0].f), Dt1(->top)); -#endif - dasm_put(Dst, 11170); -#if LJ_HASFFI -#define DtF(_V) (int)(ptrdiff_t)&(((CCallState *)0)_V) - dasm_put(Dst, 11173, DtF(->spadj)); -#if LJ_TARGET_WINDOWS - dasm_put(Dst, 11183, DtF(->spadj)); -#endif - dasm_put(Dst, 11187, DtF(->nsp), offsetof(CCallState, stack), DtF(->gpr[0]), DtF(->gpr[1]), DtF(->func), DtF(->gpr[0]), DtF(->gpr[1]), DtF(->resx87), DtF(->fpr[0].d[0])); - dasm_put(Dst, 11257, DtF(->fpr[0].f[0])); -#if LJ_TARGET_WINDOWS - dasm_put(Dst, 11263, DtF(->spadj)); -#endif - dasm_put(Dst, 11267); -#endif -} - -/* Generate the code for a single instruction. */ -static void build_ins(BuildCtx *ctx, BCOp op, int defop, int cmov, int sse) -{ - int vk = 0; - dasm_put(Dst, 11274, defop); - - switch (op) { - - /* -- Comparison ops ---------------------------------------------------- */ - - /* Remember: all ops branch for a true comparison, fall through otherwise. */ - - - case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: - if (LJ_DUALNUM) { - dasm_put(Dst, 11276, LJ_TISNUM, LJ_TISNUM); - switch (op) { - case BC_ISLT: - dasm_put(Dst, 11306); - break; - case BC_ISGE: - dasm_put(Dst, 11311); - break; - case BC_ISLE: - dasm_put(Dst, 11316); - break; - case BC_ISGT: - dasm_put(Dst, 11321); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 11326, -BCBIAS_J*4, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 11379); - } else { - dasm_put(Dst, 11390); - } - dasm_put(Dst, 11401); - if (sse) { - dasm_put(Dst, 11408); - switch (op) { - case BC_ISLT: - dasm_put(Dst, 11428); - break; - case BC_ISGE: - dasm_put(Dst, 11433); - break; - case BC_ISLE: - dasm_put(Dst, 11438); - break; - case BC_ISGT: - dasm_put(Dst, 11443); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 11448); - } else { - dasm_put(Dst, 11453); - } - } else { - dasm_put(Dst, 11461, LJ_TISNUM, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 11482); - } else { - dasm_put(Dst, 11503); - if (cmov) { - dasm_put(Dst, 3953); - } else { - dasm_put(Dst, 3959); - } - } - if (LJ_DUALNUM) { - switch (op) { - case BC_ISLT: - dasm_put(Dst, 11428); - break; - case BC_ISGE: - dasm_put(Dst, 11433); - break; - case BC_ISLE: - dasm_put(Dst, 11438); - break; - case BC_ISGT: - dasm_put(Dst, 11443); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 11448); - } else { - switch (op) { - case BC_ISLT: - dasm_put(Dst, 752); - break; - case BC_ISGE: - dasm_put(Dst, 11519); - break; - case BC_ISLE: - dasm_put(Dst, 11524); - break; - case BC_ISGT: - dasm_put(Dst, 11529); - break; - default: break; /* Shut up GCC. */ - } - dasm_put(Dst, 11534, -BCBIAS_J*4); - } - break; - - case BC_ISEQV: case BC_ISNEV: - vk = op == BC_ISEQV; - dasm_put(Dst, 11565); - if (LJ_DUALNUM) { - dasm_put(Dst, 11573, LJ_TISNUM, LJ_TISNUM); - if (vk) { - dasm_put(Dst, 11598); - } else { - dasm_put(Dst, 11603); - } - dasm_put(Dst, 11608, -BCBIAS_J*4, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 11659); - } else { - dasm_put(Dst, 11666); - } - dasm_put(Dst, 11670); - if (sse) { - dasm_put(Dst, 11681); - } else { - dasm_put(Dst, 11693); - } - dasm_put(Dst, 11700); - } else { - dasm_put(Dst, 11705, LJ_TISNUM, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 11724); - } else { - dasm_put(Dst, 11742); - if (cmov) { - dasm_put(Dst, 3953); - } else { - dasm_put(Dst, 3959); - } - } - iseqne_fp: - if (vk) { - dasm_put(Dst, 11755); - } else { - dasm_put(Dst, 11764); - } - iseqne_end: - if (vk) { - dasm_put(Dst, 11773, -BCBIAS_J*4); - if (!LJ_HASFFI) { - dasm_put(Dst, 4853); - } - } else { - if (!LJ_HASFFI) { - dasm_put(Dst, 4853); - } - dasm_put(Dst, 11788, -BCBIAS_J*4); - } - if (LJ_DUALNUM && (op == BC_ISEQV || op == BC_ISNEV || - op == BC_ISEQN || op == BC_ISNEN)) { - dasm_put(Dst, 11803); - } else { - dasm_put(Dst, 11546); - } - if (op == BC_ISEQV || op == BC_ISNEV) { - dasm_put(Dst, 11808); - if (LJ_HASFFI) { - dasm_put(Dst, 11811, LJ_TCDATA, LJ_TCDATA); - } - dasm_put(Dst, 11830, LJ_TISPRI, LJ_TISTABUD, Dt6(->metatable), Dt6(->nomm), 1<len), LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 12450, Dt5(->len)); - } else { - dasm_put(Dst, 12468, Dt5(->len)); - } - dasm_put(Dst, 12477, LJ_TTAB); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 12511, Dt6(->metatable)); -#endif - dasm_put(Dst, 12525); - if (LJ_DUALNUM) { - } else if (sse) { - dasm_put(Dst, 12534); - } else { - dasm_put(Dst, 12540); - } - dasm_put(Dst, 12547); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - dasm_put(Dst, 12560, Dt6(->nomm), 1<base), Dt1(->base)); - break; - - /* -- Constant ops ------------------------------------------------------ */ - - case BC_KSTR: - dasm_put(Dst, 13397, LJ_TSTR); - break; - case BC_KCDATA: -#if LJ_HASFFI - dasm_put(Dst, 13397, LJ_TCDATA); -#endif - break; - case BC_KSHORT: - if (LJ_DUALNUM) { - dasm_put(Dst, 13430, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 13442); - } else { - dasm_put(Dst, 13457); - } - dasm_put(Dst, 11546); - break; - case BC_KNUM: - if (sse) { - dasm_put(Dst, 13465); - } else { - dasm_put(Dst, 13478); - } - dasm_put(Dst, 11546); - break; - case BC_KPRI: - dasm_put(Dst, 13485); - break; - case BC_KNIL: - dasm_put(Dst, 13511, LJ_TNIL); - break; - - /* -- Upvalue and function ops ------------------------------------------ */ - - case BC_UGET: - dasm_put(Dst, 13557, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_USETV: -#define TV2MARKOFS \ - ((int32_t)offsetof(GCupval, marked)-(int32_t)offsetof(GCupval, tv)) - dasm_put(Dst, 13601, offsetof(GCfuncL, uvptr), DtA(->closed), DtA(->v), TV2MARKOFS, LJ_GC_BLACK, LJ_TISGCV, LJ_TISNUM - LJ_TISGCV, Dt4(->gch.marked), LJ_GC_WHITES, GG_DISP2G); - dasm_put(Dst, 13691); - break; -#undef TV2MARKOFS - case BC_USETS: - dasm_put(Dst, 13703, offsetof(GCfuncL, uvptr), DtA(->v), LJ_TSTR, DtA(->marked), LJ_GC_BLACK, Dt4(->gch.marked), LJ_GC_WHITES, DtA(->closed), GG_DISP2G); - break; - case BC_USETN: - dasm_put(Dst, 13794); - if (sse) { - dasm_put(Dst, 13799); - } else { - dasm_put(Dst, 12056); - } - dasm_put(Dst, 13806, offsetof(GCfuncL, uvptr), DtA(->v)); - if (sse) { - dasm_put(Dst, 13815); - } else { - dasm_put(Dst, 13821); - } - dasm_put(Dst, 11546); - break; - case BC_USETP: - dasm_put(Dst, 13824, offsetof(GCfuncL, uvptr), DtA(->v)); - break; - case BC_UCLO: - dasm_put(Dst, 13861, -BCBIAS_J*4, Dt1(->openupval), Dt1(->base), Dt1(->base)); - break; - - case BC_FNEW: - dasm_put(Dst, 13915, Dt1(->base), Dt1(->base), LJ_TFUNC); - break; - - /* -- Table ops --------------------------------------------------------- */ - - case BC_TNEW: - dasm_put(Dst, 13986, Dt1(->base), DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), Dt1(->base), LJ_TTAB); - break; - case BC_TDUP: - dasm_put(Dst, 14112, DISPATCH_GL(gc.total), DISPATCH_GL(gc.threshold), Dt1(->base), Dt1(->base), LJ_TTAB); - break; - - case BC_GGET: - dasm_put(Dst, 14204, Dt7(->env)); - break; - case BC_GSET: - dasm_put(Dst, 14222, Dt7(->env)); - break; - - case BC_TGETV: - dasm_put(Dst, 14240, LJ_TTAB); - if (LJ_DUALNUM) { - dasm_put(Dst, 14263, LJ_TISNUM); - } else { - dasm_put(Dst, 14277, LJ_TISNUM); - if (sse) { - dasm_put(Dst, 14288); - } else { - dasm_put(Dst, 14309); - if (cmov) { - dasm_put(Dst, 3953); - } else { - dasm_put(Dst, 3959); - } - dasm_put(Dst, 2689); - } - dasm_put(Dst, 14319); - } - dasm_put(Dst, 14324, Dt6(->asize), Dt6(->array), LJ_TNIL, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<hmask), Dt5(->hash), sizeof(Node), Dt6(->node), DtB(->key.it), LJ_TSTR, DtB(->key.gcr), LJ_TNIL); - dasm_put(Dst, 14525, LJ_TNIL, DtB(->next), Dt6(->metatable), Dt6(->nomm), 1<asize), Dt6(->array), LJ_TNIL, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<asize), Dt6(->array), LJ_TNIL, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - case BC_TSETS: - dasm_put(Dst, 14880, LJ_TTAB, Dt6(->hmask), Dt5(->hash), sizeof(Node), Dt6(->nomm), Dt6(->node), DtB(->key.it), LJ_TSTR, DtB(->key.gcr), LJ_TNIL); - dasm_put(Dst, 14955, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable), Dt6(->metatable), Dt6(->nomm), 1<next)); - dasm_put(Dst, 15047, Dt6(->metatable), Dt6(->nomm), 1<base), Dt1(->base), Dt6(->marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - case BC_TSETB: - dasm_put(Dst, 15143, LJ_TTAB, Dt6(->asize), Dt6(->array), LJ_TNIL, Dt6(->marked), LJ_GC_BLACK, Dt6(->metatable)); - dasm_put(Dst, 15241, Dt6(->metatable), Dt6(->nomm), 1<marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - - case BC_TSETM: - dasm_put(Dst, 15287, Dt6(->marked), LJ_GC_BLACK, Dt6(->asize), Dt6(->array), Dt1(->base), Dt1(->base)); - dasm_put(Dst, 15436, Dt6(->marked), (uint8_t)~LJ_GC_BLACK, DISPATCH_GL(gc.grayagain), DISPATCH_GL(gc.grayagain), Dt6(->gclist)); - break; - - /* -- Calls and vararg handling ----------------------------------------- */ - - case BC_CALL: case BC_CALLM: - dasm_put(Dst, 12580); - if (op == BC_CALLM) { - dasm_put(Dst, 15454); - } - dasm_put(Dst, 15459, LJ_TFUNC, Dt7(->pc)); - break; - - case BC_CALLMT: - dasm_put(Dst, 15454); - break; - case BC_CALLT: - dasm_put(Dst, 15500, LJ_TFUNC, FRAME_TYPE, Dt7(->ffid), Dt7(->pc)); - dasm_put(Dst, 15618, FRAME_TYPE, Dt7(->pc), PC2PROTO(k), FRAME_VARG, FRAME_TYPEP, FRAME_VARG); - break; - - case BC_ITERC: - dasm_put(Dst, 15688, LJ_TFUNC, 2+1, Dt7(->pc)); - break; - - case BC_ITERN: -#if LJ_HASJIT -#endif - dasm_put(Dst, 15768, Dt6(->asize), Dt6(->array), LJ_TNIL); - if (LJ_DUALNUM) { - dasm_put(Dst, 12441, LJ_TISNUM); - } else if (sse) { - dasm_put(Dst, 12534); - } else { - dasm_put(Dst, 15814); - } - dasm_put(Dst, 15820); - if (LJ_DUALNUM) { - } else if (sse) { - dasm_put(Dst, 12406); - } else { - dasm_put(Dst, 12418); - } - dasm_put(Dst, 15839, -BCBIAS_J*4); - if (!LJ_DUALNUM && !sse) { - dasm_put(Dst, 15890); - } - dasm_put(Dst, 15896, Dt6(->hmask), sizeof(Node), Dt6(->node), DtB(->val.it), LJ_TNIL, DtB(->key.gcr), DtB(->key.it), DtB(->val.gcr), DtB(->val.it)); - dasm_put(Dst, 15971); - break; - - case BC_ISNEXT: - dasm_put(Dst, 15979, LJ_TFUNC, LJ_TTAB, LJ_TNIL, Dt8(->ffid), FF_next_N, -BCBIAS_J*4, BC_JMP, -BCBIAS_J*4, BC_ITERC); - break; - - case BC_VARG: - dasm_put(Dst, 16078, (8+FRAME_VARG), LJ_TNIL, Dt1(->maxstack)); - dasm_put(Dst, 16242, Dt1(->base), Dt1(->top), Dt1(->base), Dt1(->top)); - break; - - /* -- Returns ----------------------------------------------------------- */ - - case BC_RETM: - dasm_put(Dst, 15454); - break; - - case BC_RET: case BC_RET0: case BC_RET1: - if (op != BC_RET0) { - dasm_put(Dst, 16313); - } - dasm_put(Dst, 16317, FRAME_TYPE); - switch (op) { - case BC_RET: - dasm_put(Dst, 16336); - break; - case BC_RET1: - dasm_put(Dst, 16394); - /* fallthrough */ - case BC_RET0: - dasm_put(Dst, 16410); - default: - break; - } - dasm_put(Dst, 16421, Dt7(->pc), PC2PROTO(k)); - if (op == BC_RET) { - dasm_put(Dst, 16463, LJ_TNIL); - } else { - dasm_put(Dst, 16472, LJ_TNIL); - } - dasm_put(Dst, 16479, -FRAME_VARG, FRAME_TYPEP); - if (op != BC_RET0) { - dasm_put(Dst, 16503); - } - dasm_put(Dst, 4937); - break; - - /* -- Loops and branches ------------------------------------------------ */ - - - case BC_FORL: -#if LJ_HASJIT - dasm_put(Dst, 16507, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_JFORI: - case BC_JFORL: -#if !LJ_HASJIT - break; -#endif - case BC_FORI: - case BC_IFORL: - vk = (op == BC_IFORL || op == BC_JFORL); - dasm_put(Dst, 16528); - if (LJ_DUALNUM) { - dasm_put(Dst, 16532, LJ_TISNUM); - if (!vk) { - dasm_put(Dst, 16542, LJ_TISNUM, LJ_TISNUM); - } else { -#ifdef LUA_USE_ASSERT - dasm_put(Dst, 16571, LJ_TISNUM, LJ_TISNUM); -#endif - dasm_put(Dst, 16590); - } - dasm_put(Dst, 16609, LJ_TISNUM); - if (op == BC_FORI) { - dasm_put(Dst, 16620, -BCBIAS_J*4); - } else if (op == BC_JFORI) { - dasm_put(Dst, 16634, -BCBIAS_J*4, BC_JLOOP); - } else if (op == BC_IFORL) { - dasm_put(Dst, 16652, -BCBIAS_J*4); - } else { - dasm_put(Dst, 16644, BC_JLOOP); - } - dasm_put(Dst, 16666); - if (vk) { - dasm_put(Dst, 16689); - } - dasm_put(Dst, 16609, LJ_TISNUM); - if (op == BC_FORI) { - dasm_put(Dst, 16698); - } else if (op == BC_JFORI) { - dasm_put(Dst, 16703, -BCBIAS_J*4, BC_JLOOP); - } else if (op == BC_IFORL) { - dasm_put(Dst, 16717); - } else { - dasm_put(Dst, 16713, BC_JLOOP); - } - dasm_put(Dst, 16722); - } else if (!vk) { - dasm_put(Dst, 16729, LJ_TISNUM); - } - if (!vk) { - dasm_put(Dst, 16735, LJ_TISNUM); - } else { -#ifdef LUA_USE_ASSERT - dasm_put(Dst, 16749, LJ_TISNUM, LJ_TISNUM); -#endif - } - dasm_put(Dst, 16768); - if (!vk) { - dasm_put(Dst, 16772, LJ_TISNUM); - } - if (sse) { - dasm_put(Dst, 16781); - if (vk) { - dasm_put(Dst, 16793); - } else { - dasm_put(Dst, 16812); - } - dasm_put(Dst, 16817); - } else { - dasm_put(Dst, 16830); - if (vk) { - dasm_put(Dst, 16836); - } else { - dasm_put(Dst, 16852); - } - dasm_put(Dst, 16860); - if (cmov) { - dasm_put(Dst, 3953); - } else { - dasm_put(Dst, 3959); - } - if (!cmov) { - dasm_put(Dst, 16865); - } - } - if (op == BC_FORI) { - if (LJ_DUALNUM) { - dasm_put(Dst, 16871); - } else { - dasm_put(Dst, 16876, -BCBIAS_J*4); - } - } else if (op == BC_JFORI) { - dasm_put(Dst, 16886, -BCBIAS_J*4, BC_JLOOP); - } else if (op == BC_IFORL) { - if (LJ_DUALNUM) { - dasm_put(Dst, 16900); - } else { - dasm_put(Dst, 16905, -BCBIAS_J*4); - } - } else { - dasm_put(Dst, 16896, BC_JLOOP); - } - if (LJ_DUALNUM) { - dasm_put(Dst, 11448); - } else { - dasm_put(Dst, 12184); - } - if (sse) { - dasm_put(Dst, 16915); - } - break; - - case BC_ITERL: -#if LJ_HASJIT - dasm_put(Dst, 16507, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_JITERL: -#if !LJ_HASJIT - break; -#endif - case BC_IITERL: - dasm_put(Dst, 16926, LJ_TNIL); - if (op == BC_JITERL) { - dasm_put(Dst, 16941, BC_JLOOP); - } else { - dasm_put(Dst, 16955, -BCBIAS_J*4); - } - dasm_put(Dst, 11544); - break; - - case BC_LOOP: -#if LJ_HASJIT - dasm_put(Dst, 16507, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_LOOP); -#endif - break; - - case BC_ILOOP: - dasm_put(Dst, 11546); - break; - - case BC_JLOOP: -#if LJ_HASJIT - dasm_put(Dst, 16971, DISPATCH_J(trace), DtD(->mcode), DISPATCH_GL(jit_base), DISPATCH_GL(jit_L)); -#endif - break; - - case BC_JMP: - dasm_put(Dst, 16994, -BCBIAS_J*4); - break; - - /* -- Function headers -------------------------------------------------- */ - - /* - ** Reminder: A function may be called with func/args above L->maxstack, - ** i.e. occupying EXTRA_STACK slots. And vmeta_call may add one extra slot, - ** too. This means all FUNC* ops (including fast functions) must check - ** for stack overflow _before_ adding more slots! - */ - - case BC_FUNCF: -#if LJ_HASJIT - dasm_put(Dst, 17018, HOTCOUNT_PCMASK, GG_DISP2HOT, HOTCOUNT_CALL); -#endif - case BC_FUNCV: /* NYI: compiled vararg functions. */ - break; - - case BC_JFUNCF: -#if !LJ_HASJIT - break; -#endif - case BC_IFUNCF: - dasm_put(Dst, 17039, -4+PC2PROTO(k), Dt1(->maxstack), -4+PC2PROTO(numparams)); - if (op == BC_JFUNCF) { - dasm_put(Dst, 17069, BC_JLOOP); - } else { - dasm_put(Dst, 11546); - } - dasm_put(Dst, 17078, LJ_TNIL); - break; - - case BC_JFUNCV: -#if !LJ_HASJIT - break; -#endif - dasm_put(Dst, 10445); - break; /* NYI: compiled vararg functions. */ - - case BC_IFUNCV: - dasm_put(Dst, 17100, FRAME_VARG, Dt1(->maxstack), -4+PC2PROTO(numparams), LJ_TNIL); - if (op == BC_JFUNCV) { - dasm_put(Dst, 17069, BC_JLOOP); - } else { - dasm_put(Dst, 17191, -4+PC2PROTO(k)); - } - dasm_put(Dst, 17213, LJ_TNIL); - break; - - case BC_FUNCC: - case BC_FUNCCW: - dasm_put(Dst, 17235, Dt8(->f), Dt1(->base), 8*LUA_MINSTACK, Dt1(->maxstack), Dt1(->top)); - if (op == BC_FUNCC) { - dasm_put(Dst, 17264); - } else { - dasm_put(Dst, 17268); - } - dasm_put(Dst, 17276, DISPATCH_GL(vmstate), ~LJ_VMST_C); - if (op == BC_FUNCC) { - dasm_put(Dst, 17285); - } else { - dasm_put(Dst, 17289, DISPATCH_GL(wrapf)); - } - dasm_put(Dst, 17294, DISPATCH_GL(vmstate), ~LJ_VMST_INTERP, Dt1(->base), Dt1(->top)); - break; - - /* ---------------------------------------------------------------------- */ - - default: - fprintf(stderr, "Error: undefined opcode BC_%s\n", bc_names[op]); - exit(2); - break; - } -} - -static int build_backend(BuildCtx *ctx) -{ - int op; - int cmov = 1; - int sse = 0; -#ifdef LUAJIT_CPU_NOCMOV - cmov = 0; -#endif -#if defined(LUAJIT_CPU_SSE2) || defined(LJ_TARGET_X64) - sse = 1; -#endif - - dasm_growpc(Dst, BC__MAX); - - build_subroutines(ctx, cmov, sse); - - dasm_put(Dst, 17319); - for (op = 0; op < BC__MAX; op++) - build_ins(ctx, (BCOp)op, op, cmov, sse); - - return BC__MAX; -} - -/* Emit pseudo frame-info for all assembler functions. */ -static void emit_asm_debug(BuildCtx *ctx) -{ - int fcofs = (int)((uint8_t *)ctx->glob[GLOB_vm_ffi_call] - ctx->code); -#if LJ_64 -#define SZPTR "8" -#define BSZPTR "3" -#define REG_SP "0x7" -#define REG_RA "0x10" -#else -#define SZPTR "4" -#define BSZPTR "2" -#define REG_SP "0x4" -#define REG_RA "0x8" -#endif - switch (ctx->mode) { - case BUILD_elfasm: - fprintf(ctx->fp, "\t.section .debug_frame,\"\",@progbits\n"); - fprintf(ctx->fp, - ".Lframe0:\n" - "\t.long .LECIE0-.LSCIE0\n" - ".LSCIE0:\n" - "\t.long 0xffffffff\n" - "\t.byte 0x1\n" - "\t.string \"\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE0:\n\n"); - fprintf(ctx->fp, - ".LSFDE0:\n" - "\t.long .LEFDE0-.LASFDE0\n" - ".LASFDE0:\n" - "\t.long .Lframe0\n" -#if LJ_64 - "\t.quad .Lbegin\n" - "\t.quad %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.long .Lbegin\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE0:\n\n", fcofs, CFRAME_SIZE); -#if LJ_HASFFI - fprintf(ctx->fp, - ".LSFDE1:\n" - "\t.long .LEFDE1-.LASFDE1\n" - ".LASFDE1:\n" - "\t.long .Lframe0\n" -#if LJ_64 - "\t.quad lj_vm_ffi_call\n" - "\t.quad %d\n" - "\t.byte 0xe\n\t.uleb128 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ -#else - "\t.long lj_vm_ffi_call\n" - "\t.long %d\n" - "\t.byte 0xe\n\t.uleb128 8\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0xd\n\t.uleb128 0x5\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE1:\n\n", (int)ctx->codesz - fcofs); -#endif -#if (defined(__sun__) && defined(__svr4__)) || defined(__solaris_) - fprintf(ctx->fp, "\t.section .eh_frame,\"aw\",@progbits\n"); -#else - fprintf(ctx->fp, "\t.section .eh_frame,\"a\",@progbits\n"); -#endif - fprintf(ctx->fp, - ".Lframe1:\n" - "\t.long .LECIE1-.LSCIE1\n" - ".LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zPR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 6\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.long lj_err_unwind_dwarf-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE1:\n\n"); - fprintf(ctx->fp, - ".LSFDE2:\n" - "\t.long .LEFDE2-.LASFDE2\n" - ".LASFDE2:\n" - "\t.long .LASFDE2-.Lframe1\n" - "\t.long .Lbegin-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE2:\n\n", fcofs, CFRAME_SIZE); -#if LJ_HASFFI - fprintf(ctx->fp, - ".Lframe2:\n" - "\t.long .LECIE2-.LSCIE2\n" - ".LSCIE2:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zR\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 1\n" /* augmentation length */ - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - ".LECIE2:\n\n"); - fprintf(ctx->fp, - ".LSFDE3:\n" - "\t.long .LEFDE3-.LASFDE3\n" - ".LASFDE3:\n" - "\t.long .LASFDE3-.Lframe2\n" - "\t.long lj_vm_ffi_call-.\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0xe\n\t.uleb128 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ -#else - "\t.byte 0xe\n\t.uleb128 8\n" /* def_cfa_offset */ - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0xd\n\t.uleb128 0x5\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - ".LEFDE3:\n\n", (int)ctx->codesz - fcofs); -#endif - break; - case BUILD_coffasm: - fprintf(ctx->fp, "\t.section .eh_frame,\"dr\"\n"); - fprintf(ctx->fp, - "\t.def %slj_err_unwind_dwarf; .scl 2; .type 32; .endef\n", - LJ_32 ? "_" : ""); - fprintf(ctx->fp, - "Lframe1:\n" - "\t.long LECIE1-LSCIE1\n" - "LSCIE1:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.string \"zP\"\n" - "\t.uleb128 0x1\n" - "\t.sleb128 -" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.uleb128 5\n" /* augmentation length */ - "\t.byte 0x00\n" /* absptr */ - "\t.long %slj_err_unwind_dwarf\n" - "\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n" - "\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n" - "\t.align " SZPTR "\n" - "LECIE1:\n\n", LJ_32 ? "_" : ""); - fprintf(ctx->fp, - "LSFDE1:\n" - "\t.long LEFDE1-LASFDE1\n" - "LASFDE1:\n" - "\t.long LASFDE1-Lframe1\n" - "\t.long %slj_vm_asm_begin\n" - "\t.long %d\n" - "\t.uleb128 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */ -#else - "\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */ - "\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */ -#endif - "\t.align " SZPTR "\n" - "LEFDE1:\n\n", LJ_32 ? "_" : "", (int)ctx->codesz, CFRAME_SIZE); - break; - /* Mental note: never let Apple design an assembler. - ** Or a linker. Or a plastic case. But I digress. - */ - case BUILD_machasm: { -#if LJ_HASFFI - int fcsize = 0; -#endif - int i; - fprintf(ctx->fp, "\t.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support\n"); - fprintf(ctx->fp, - "EH_frame1:\n" - "\t.set L$set$x,LECIEX-LSCIEX\n" - "\t.long L$set$x\n" - "LSCIEX:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.ascii \"zPR\\0\"\n" - "\t.byte 0x1\n" - "\t.byte 128-" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 6\n" /* augmentation length */ - "\t.byte 0x9b\n" /* indirect|pcrel|sdata4 */ -#if LJ_64 - "\t.long _lj_err_unwind_dwarf+4@GOTPCREL\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte " REG_SP "\n\t.byte " SZPTR "\n" -#else - "\t.long L_lj_err_unwind_dwarf$non_lazy_ptr-.\n" - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte 0x5\n\t.byte 0x4\n" /* esp=5 on 32 bit MACH-O. */ -#endif - "\t.byte 0x80+" REG_RA "\n\t.byte 0x1\n" - "\t.align " BSZPTR "\n" - "LECIEX:\n\n"); - for (i = 0; i < ctx->nsym; i++) { - const char *name = ctx->sym[i].name; - int32_t size = ctx->sym[i+1].ofs - ctx->sym[i].ofs; - if (size == 0) continue; -#if LJ_HASFFI - if (!strcmp(name, "_lj_vm_ffi_call")) { fcsize = size; continue; } -#endif - fprintf(ctx->fp, - "%s.eh:\n" - "LSFDE%d:\n" - "\t.set L$set$%d,LEFDE%d-LASFDE%d\n" - "\t.long L$set$%d\n" - "LASFDE%d:\n" - "\t.long LASFDE%d-EH_frame1\n" - "\t.long %s-.\n" - "\t.long %d\n" - "\t.byte 0\n" /* augmentation length */ - "\t.byte 0xe\n\t.byte %d\n" /* def_cfa_offset */ -#if LJ_64 - "\t.byte 0x86\n\t.byte 0x2\n" /* offset rbp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset rbx */ - "\t.byte 0x8f\n\t.byte 0x4\n" /* offset r15 */ - "\t.byte 0x8e\n\t.byte 0x5\n" /* offset r14 */ -#else - "\t.byte 0x84\n\t.byte 0x2\n" /* offset ebp (4 for MACH-O)*/ - "\t.byte 0x87\n\t.byte 0x3\n" /* offset edi */ - "\t.byte 0x86\n\t.byte 0x4\n" /* offset esi */ - "\t.byte 0x83\n\t.byte 0x5\n" /* offset ebx */ -#endif - "\t.align " BSZPTR "\n" - "LEFDE%d:\n\n", - name, i, i, i, i, i, i, i, name, size, CFRAME_SIZE, i); - } -#if LJ_HASFFI - if (fcsize) { - fprintf(ctx->fp, - "EH_frame2:\n" - "\t.set L$set$y,LECIEY-LSCIEY\n" - "\t.long L$set$y\n" - "LSCIEY:\n" - "\t.long 0\n" - "\t.byte 0x1\n" - "\t.ascii \"zR\\0\"\n" - "\t.byte 0x1\n" - "\t.byte 128-" SZPTR "\n" - "\t.byte " REG_RA "\n" - "\t.byte 1\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte " REG_SP "\n\t.byte " SZPTR "\n" -#else - "\t.byte 0x1b\n" /* pcrel|sdata4 */ - "\t.byte 0xc\n\t.byte 0x5\n\t.byte 0x4\n" /* esp=5 on 32 bit MACH. */ -#endif - "\t.byte 0x80+" REG_RA "\n\t.byte 0x1\n" - "\t.align " BSZPTR "\n" - "LECIEY:\n\n"); - fprintf(ctx->fp, - "_lj_vm_ffi_call.eh:\n" - "LSFDEY:\n" - "\t.set L$set$yy,LEFDEY-LASFDEY\n" - "\t.long L$set$yy\n" - "LASFDEY:\n" - "\t.long LASFDEY-EH_frame2\n" - "\t.long _lj_vm_ffi_call-.\n" - "\t.long %d\n" - "\t.byte 0\n" /* augmentation length */ -#if LJ_64 - "\t.byte 0xe\n\t.byte 16\n" /* def_cfa_offset */ - "\t.byte 0x86\n\t.byte 0x2\n" /* offset rbp */ - "\t.byte 0xd\n\t.uleb128 0x6\n" /* def_cfa_register rbp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset rbx */ -#else - "\t.byte 0xe\n\t.byte 8\n" /* def_cfa_offset */ - "\t.byte 0x84\n\t.byte 0x2\n" /* offset ebp (4 for MACH-O)*/ - "\t.byte 0xd\n\t.uleb128 0x4\n" /* def_cfa_register ebp */ - "\t.byte 0x83\n\t.byte 0x3\n" /* offset ebx */ -#endif - "\t.align " BSZPTR "\n" - "LEFDEY:\n\n", fcsize); - } -#endif -#if LJ_64 - fprintf(ctx->fp, "\t.subsections_via_symbols\n"); -#else - fprintf(ctx->fp, - "\t.non_lazy_symbol_pointer\n" - "L_lj_err_unwind_dwarf$non_lazy_ptr:\n" - ".indirect_symbol _lj_err_unwind_dwarf\n" - ".long 0\n"); -#endif - } - break; - default: /* Difficult for other modes. */ - break; - } -} - diff --git a/libraries/luajit-2.0/src/lauxlib.h b/libraries/luajit-2.0/src/lauxlib.h deleted file mode 100644 index 505a9f5..0000000 --- a/libraries/luajit-2.0/src/lauxlib.h +++ /dev/null @@ -1,159 +0,0 @@ -/* -** $Id: lauxlib.h,v 1.88.1.1 2007/12/27 13:02:25 roberto Exp $ -** Auxiliary functions for building Lua libraries -** See Copyright Notice in lua.h -*/ - - -#ifndef lauxlib_h -#define lauxlib_h - - -#include -#include - -#include "lua.h" - - -#define luaL_getn(L,i) ((int)lua_objlen(L, i)) -#define luaL_setn(L,i,j) ((void)0) /* no op! */ - -/* extra error code for `luaL_load' */ -#define LUA_ERRFILE (LUA_ERRERR+1) - -typedef struct luaL_Reg { - const char *name; - lua_CFunction func; -} luaL_Reg; - -LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname, - const luaL_Reg *l, int nup); -LUALIB_API void (luaL_register) (lua_State *L, const char *libname, - const luaL_Reg *l); -LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e); -LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e); -LUALIB_API int (luaL_typerror) (lua_State *L, int narg, const char *tname); -LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg); -LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg, - size_t *l); -LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg, - const char *def, size_t *l); -LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg); -LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def); - -LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg); -LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg, - lua_Integer def); - -LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg); -LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t); -LUALIB_API void (luaL_checkany) (lua_State *L, int narg); - -LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname); -LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname); - -LUALIB_API void (luaL_where) (lua_State *L, int lvl); -LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...); - -LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def, - const char *const lst[]); - -LUALIB_API int (luaL_ref) (lua_State *L, int t); -LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref); - -LUALIB_API int (luaL_loadfile) (lua_State *L, const char *filename); -LUALIB_API int (luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz, - const char *name); -LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s); - -LUALIB_API lua_State *(luaL_newstate) (void); - - -LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p, - const char *r); - -LUALIB_API const char *(luaL_findtable) (lua_State *L, int idx, - const char *fname, int szhint); - - - - -/* -** =============================================================== -** some useful macros -** =============================================================== -*/ - -#define luaL_argcheck(L, cond,numarg,extramsg) \ - ((void)((cond) || luaL_argerror(L, (numarg), (extramsg)))) -#define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL)) -#define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL)) -#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n))) -#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d))) -#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n))) -#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d))) - -#define luaL_typename(L,i) lua_typename(L, lua_type(L,(i))) - -#define luaL_dofile(L, fn) \ - (luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0)) - -#define luaL_dostring(L, s) \ - (luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0)) - -#define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n))) - -#define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n))) - -/* -** {====================================================== -** Generic Buffer manipulation -** ======================================================= -*/ - - - -typedef struct luaL_Buffer { - char *p; /* current position in buffer */ - int lvl; /* number of strings in the stack (level) */ - lua_State *L; - char buffer[LUAL_BUFFERSIZE]; -} luaL_Buffer; - -#define luaL_addchar(B,c) \ - ((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \ - (*(B)->p++ = (char)(c))) - -/* compatibility only */ -#define luaL_putchar(B,c) luaL_addchar(B,c) - -#define luaL_addsize(B,n) ((B)->p += (n)) - -LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B); -LUALIB_API char *(luaL_prepbuffer) (luaL_Buffer *B); -LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l); -LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s); -LUALIB_API void (luaL_addvalue) (luaL_Buffer *B); -LUALIB_API void (luaL_pushresult) (luaL_Buffer *B); - - -/* }====================================================== */ - - -/* compatibility with ref system */ - -/* pre-defined references */ -#define LUA_NOREF (-2) -#define LUA_REFNIL (-1) - -#define lua_ref(L,lock) ((lock) ? luaL_ref(L, LUA_REGISTRYINDEX) : \ - (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0)) - -#define lua_unref(L,ref) luaL_unref(L, LUA_REGISTRYINDEX, (ref)) - -#define lua_getref(L,ref) lua_rawgeti(L, LUA_REGISTRYINDEX, (ref)) - - -#define luaL_reg luaL_Reg - -#endif diff --git a/libraries/luajit-2.0/src/lib_aux.c b/libraries/luajit-2.0/src/lib_aux.c deleted file mode 100644 index 628d6a5..0000000 --- a/libraries/luajit-2.0/src/lib_aux.c +++ /dev/null @@ -1,375 +0,0 @@ -/* -** Auxiliary library for the Lua/C API. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major parts taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#include -#include -#include - -#define lib_aux_c -#define LUA_LIB - -#include "lua.h" -#include "lauxlib.h" - -#include "lj_obj.h" -#include "lj_err.h" -#include "lj_state.h" -#include "lj_lib.h" - -/* -- Module registration ------------------------------------------------- */ - -LUALIB_API const char *luaL_findtable(lua_State *L, int idx, - const char *fname, int szhint) -{ - const char *e; - lua_pushvalue(L, idx); - do { - e = strchr(fname, '.'); - if (e == NULL) e = fname + strlen(fname); - lua_pushlstring(L, fname, (size_t)(e - fname)); - lua_rawget(L, -2); - if (lua_isnil(L, -1)) { /* no such field? */ - lua_pop(L, 1); /* remove this nil */ - lua_createtable(L, 0, (*e == '.' ? 1 : szhint)); /* new table for field */ - lua_pushlstring(L, fname, (size_t)(e - fname)); - lua_pushvalue(L, -2); - lua_settable(L, -4); /* set new table into field */ - } else if (!lua_istable(L, -1)) { /* field has a non-table value? */ - lua_pop(L, 2); /* remove table and value */ - return fname; /* return problematic part of the name */ - } - lua_remove(L, -2); /* remove previous table */ - fname = e + 1; - } while (*e == '.'); - return NULL; -} - -static int libsize(const luaL_Reg *l) -{ - int size = 0; - for (; l->name; l++) size++; - return size; -} - -LUALIB_API void luaL_openlib(lua_State *L, const char *libname, - const luaL_Reg *l, int nup) -{ - lj_lib_checkfpu(L); - if (libname) { - int size = libsize(l); - /* check whether lib already exists */ - luaL_findtable(L, LUA_REGISTRYINDEX, "_LOADED", 16); - lua_getfield(L, -1, libname); /* get _LOADED[libname] */ - if (!lua_istable(L, -1)) { /* not found? */ - lua_pop(L, 1); /* remove previous result */ - /* try global variable (and create one if it does not exist) */ - if (luaL_findtable(L, LUA_GLOBALSINDEX, libname, size) != NULL) - lj_err_callerv(L, LJ_ERR_BADMODN, libname); - lua_pushvalue(L, -1); - lua_setfield(L, -3, libname); /* _LOADED[libname] = new table */ - } - lua_remove(L, -2); /* remove _LOADED table */ - lua_insert(L, -(nup+1)); /* move library table to below upvalues */ - } - for (; l->name; l++) { - int i; - for (i = 0; i < nup; i++) /* copy upvalues to the top */ - lua_pushvalue(L, -nup); - lua_pushcclosure(L, l->func, nup); - lua_setfield(L, -(nup+2), l->name); - } - lua_pop(L, nup); /* remove upvalues */ -} - -LUALIB_API void luaL_register(lua_State *L, const char *libname, - const luaL_Reg *l) -{ - luaL_openlib(L, libname, l, 0); -} - -LUALIB_API const char *luaL_gsub(lua_State *L, const char *s, - const char *p, const char *r) -{ - const char *wild; - size_t l = strlen(p); - luaL_Buffer b; - luaL_buffinit(L, &b); - while ((wild = strstr(s, p)) != NULL) { - luaL_addlstring(&b, s, (size_t)(wild - s)); /* push prefix */ - luaL_addstring(&b, r); /* push replacement in place of pattern */ - s = wild + l; /* continue after `p' */ - } - luaL_addstring(&b, s); /* push last suffix */ - luaL_pushresult(&b); - return lua_tostring(L, -1); -} - -/* -- Buffer handling ----------------------------------------------------- */ - -#define bufflen(B) ((size_t)((B)->p - (B)->buffer)) -#define bufffree(B) ((size_t)(LUAL_BUFFERSIZE - bufflen(B))) - -static int emptybuffer(luaL_Buffer *B) -{ - size_t l = bufflen(B); - if (l == 0) - return 0; /* put nothing on stack */ - lua_pushlstring(B->L, B->buffer, l); - B->p = B->buffer; - B->lvl++; - return 1; -} - -static void adjuststack(luaL_Buffer *B) -{ - if (B->lvl > 1) { - lua_State *L = B->L; - int toget = 1; /* number of levels to concat */ - size_t toplen = lua_strlen(L, -1); - do { - size_t l = lua_strlen(L, -(toget+1)); - if (!(B->lvl - toget + 1 >= LUA_MINSTACK/2 || toplen > l)) - break; - toplen += l; - toget++; - } while (toget < B->lvl); - lua_concat(L, toget); - B->lvl = B->lvl - toget + 1; - } -} - -LUALIB_API char *luaL_prepbuffer(luaL_Buffer *B) -{ - if (emptybuffer(B)) - adjuststack(B); - return B->buffer; -} - -LUALIB_API void luaL_addlstring(luaL_Buffer *B, const char *s, size_t l) -{ - while (l--) - luaL_addchar(B, *s++); -} - -LUALIB_API void luaL_addstring(luaL_Buffer *B, const char *s) -{ - luaL_addlstring(B, s, strlen(s)); -} - -LUALIB_API void luaL_pushresult(luaL_Buffer *B) -{ - emptybuffer(B); - lua_concat(B->L, B->lvl); - B->lvl = 1; -} - -LUALIB_API void luaL_addvalue(luaL_Buffer *B) -{ - lua_State *L = B->L; - size_t vl; - const char *s = lua_tolstring(L, -1, &vl); - if (vl <= bufffree(B)) { /* fit into buffer? */ - memcpy(B->p, s, vl); /* put it there */ - B->p += vl; - lua_pop(L, 1); /* remove from stack */ - } else { - if (emptybuffer(B)) - lua_insert(L, -2); /* put buffer before new value */ - B->lvl++; /* add new value into B stack */ - adjuststack(B); - } -} - -LUALIB_API void luaL_buffinit(lua_State *L, luaL_Buffer *B) -{ - B->L = L; - B->p = B->buffer; - B->lvl = 0; -} - -/* -- Reference management ------------------------------------------------ */ - -#define FREELIST_REF 0 - -/* Convert a stack index to an absolute index. */ -#define abs_index(L, i) \ - ((i) > 0 || (i) <= LUA_REGISTRYINDEX ? (i) : lua_gettop(L) + (i) + 1) - -LUALIB_API int luaL_ref(lua_State *L, int t) -{ - int ref; - t = abs_index(L, t); - if (lua_isnil(L, -1)) { - lua_pop(L, 1); /* remove from stack */ - return LUA_REFNIL; /* `nil' has a unique fixed reference */ - } - lua_rawgeti(L, t, FREELIST_REF); /* get first free element */ - ref = (int)lua_tointeger(L, -1); /* ref = t[FREELIST_REF] */ - lua_pop(L, 1); /* remove it from stack */ - if (ref != 0) { /* any free element? */ - lua_rawgeti(L, t, ref); /* remove it from list */ - lua_rawseti(L, t, FREELIST_REF); /* (t[FREELIST_REF] = t[ref]) */ - } else { /* no free elements */ - ref = (int)lua_objlen(L, t); - ref++; /* create new reference */ - } - lua_rawseti(L, t, ref); - return ref; -} - -LUALIB_API void luaL_unref(lua_State *L, int t, int ref) -{ - if (ref >= 0) { - t = abs_index(L, t); - lua_rawgeti(L, t, FREELIST_REF); - lua_rawseti(L, t, ref); /* t[ref] = t[FREELIST_REF] */ - lua_pushinteger(L, ref); - lua_rawseti(L, t, FREELIST_REF); /* t[FREELIST_REF] = ref */ - } -} - -/* -- Load Lua code ------------------------------------------------------- */ - -typedef struct FileReaderCtx { - FILE *fp; - char buf[LUAL_BUFFERSIZE]; -} FileReaderCtx; - -static const char *reader_file(lua_State *L, void *ud, size_t *size) -{ - FileReaderCtx *ctx = (FileReaderCtx *)ud; - UNUSED(L); - if (feof(ctx->fp)) return NULL; - *size = fread(ctx->buf, 1, sizeof(ctx->buf), ctx->fp); - return *size > 0 ? ctx->buf : NULL; -} - -LUALIB_API int luaL_loadfile(lua_State *L, const char *filename) -{ - FileReaderCtx ctx; - int status; - const char *chunkname; - if (filename) { - ctx.fp = fopen(filename, "rb"); - if (ctx.fp == NULL) { - lua_pushfstring(L, "cannot open %s: %s", filename, strerror(errno)); - return LUA_ERRFILE; - } - chunkname = lua_pushfstring(L, "@%s", filename); - } else { - ctx.fp = stdin; - chunkname = "=stdin"; - } - status = lua_load(L, reader_file, &ctx, chunkname); - if (ferror(ctx.fp)) { - L->top -= filename ? 2 : 1; - lua_pushfstring(L, "cannot read %s: %s", chunkname+1, strerror(errno)); - if (filename) - fclose(ctx.fp); - return LUA_ERRFILE; - } - if (filename) { - L->top--; - copyTV(L, L->top-1, L->top); - fclose(ctx.fp); - } - return status; -} - -typedef struct StringReaderCtx { - const char *str; - size_t size; -} StringReaderCtx; - -static const char *reader_string(lua_State *L, void *ud, size_t *size) -{ - StringReaderCtx *ctx = (StringReaderCtx *)ud; - UNUSED(L); - if (ctx->size == 0) return NULL; - *size = ctx->size; - ctx->size = 0; - return ctx->str; -} - -LUALIB_API int luaL_loadbuffer(lua_State *L, const char *buf, size_t size, - const char *name) -{ - StringReaderCtx ctx; - ctx.str = buf; - ctx.size = size; - return lua_load(L, reader_string, &ctx, name); -} - -LUALIB_API int luaL_loadstring(lua_State *L, const char *s) -{ - return luaL_loadbuffer(L, s, strlen(s), s); -} - -/* -- Default allocator and panic function -------------------------------- */ - -static int panic(lua_State *L) -{ - fprintf(stderr, "PANIC: unprotected error in call to Lua API (%s)\n", - lua_tostring(L, -1)); - return 0; -} - -#ifdef LUAJIT_USE_SYSMALLOC - -#if LJ_64 -#error "Must use builtin allocator for 64 bit target" -#endif - -static void *mem_alloc(void *ud, void *ptr, size_t osize, size_t nsize) -{ - (void)ud; - (void)osize; - if (nsize == 0) { - free(ptr); - return NULL; - } else { - return realloc(ptr, nsize); - } -} - -LUALIB_API lua_State *luaL_newstate(void) -{ - lua_State *L = lua_newstate(mem_alloc, NULL); - if (L) G(L)->panic = panic; - return L; -} - -#else - -#include "lj_alloc.h" - -LUALIB_API lua_State *luaL_newstate(void) -{ - lua_State *L; - void *ud = lj_alloc_create(); - if (ud == NULL) return NULL; -#if LJ_64 - L = lj_state_newstate(lj_alloc_f, ud); -#else - L = lua_newstate(lj_alloc_f, ud); -#endif - if (L) G(L)->panic = panic; - return L; -} - -#if LJ_64 -LUA_API lua_State *lua_newstate(lua_Alloc f, void *ud) -{ - UNUSED(f); UNUSED(ud); - fprintf(stderr, "Must use luaL_newstate() for 64 bit target\n"); - return NULL; -} -#endif - -#endif - diff --git a/libraries/luajit-2.0/src/lib_base.c b/libraries/luajit-2.0/src/lib_base.c deleted file mode 100644 index f897598..0000000 --- a/libraries/luajit-2.0/src/lib_base.c +++ /dev/null @@ -1,650 +0,0 @@ -/* -** Base and coroutine library. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2011 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#include - -#define lib_base_c -#define LUA_LIB - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_debug.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_meta.h" -#include "lj_state.h" -#if LJ_HASFFI -#include "lj_ctype.h" -#include "lj_cconv.h" -#endif -#include "lj_bc.h" -#include "lj_ff.h" -#include "lj_dispatch.h" -#include "lj_char.h" -#include "lj_lib.h" - -/* -- Base library: checks ------------------------------------------------ */ - -#define LJLIB_MODULE_base - -LJLIB_ASM(assert) LJLIB_REC(.) -{ - GCstr *s; - lj_lib_checkany(L, 1); - s = lj_lib_optstr(L, 2); - if (s) - lj_err_callermsg(L, strdata(s)); - else - lj_err_caller(L, LJ_ERR_ASSERT); - return FFH_UNREACHABLE; -} - -/* ORDER LJ_T */ -LJLIB_PUSH("nil") -LJLIB_PUSH("boolean") -LJLIB_PUSH(top-1) /* boolean */ -LJLIB_PUSH("userdata") -LJLIB_PUSH("string") -LJLIB_PUSH("upval") -LJLIB_PUSH("thread") -LJLIB_PUSH("proto") -LJLIB_PUSH("function") -LJLIB_PUSH("trace") -LJLIB_PUSH("cdata") -LJLIB_PUSH("table") -LJLIB_PUSH(top-9) /* userdata */ -LJLIB_PUSH("number") -LJLIB_ASM_(type) LJLIB_REC(.) -/* Recycle the lj_lib_checkany(L, 1) from assert. */ - -/* -- Base library: getters and setters ----------------------------------- */ - -LJLIB_ASM_(getmetatable) LJLIB_REC(.) -/* Recycle the lj_lib_checkany(L, 1) from assert. */ - -LJLIB_ASM(setmetatable) LJLIB_REC(.) -{ - GCtab *t = lj_lib_checktab(L, 1); - GCtab *mt = lj_lib_checktabornil(L, 2); - if (!tvisnil(lj_meta_lookup(L, L->base, MM_metatable))) - lj_err_caller(L, LJ_ERR_PROTMT); - setgcref(t->metatable, obj2gco(mt)); - if (mt) { lj_gc_objbarriert(L, t, mt); } - settabV(L, L->base-1, t); - return FFH_RES(1); -} - -LJLIB_CF(getfenv) -{ - GCfunc *fn; - cTValue *o = L->base; - if (!(o < L->top && tvisfunc(o))) { - int level = lj_lib_optint(L, 1, 1); - o = lj_debug_frame(L, level, &level); - if (o == NULL) - lj_err_arg(L, 1, LJ_ERR_INVLVL); - } - fn = &gcval(o)->fn; - settabV(L, L->top++, isluafunc(fn) ? tabref(fn->l.env) : tabref(L->env)); - return 1; -} - -LJLIB_CF(setfenv) -{ - GCfunc *fn; - GCtab *t = lj_lib_checktab(L, 2); - cTValue *o = L->base; - if (!(o < L->top && tvisfunc(o))) { - int level = lj_lib_checkint(L, 1); - if (level == 0) { - /* NOBARRIER: A thread (i.e. L) is never black. */ - setgcref(L->env, obj2gco(t)); - return 0; - } - o = lj_debug_frame(L, level, &level); - if (o == NULL) - lj_err_arg(L, 1, LJ_ERR_INVLVL); - } - fn = &gcval(o)->fn; - if (!isluafunc(fn)) - lj_err_caller(L, LJ_ERR_SETFENV); - setgcref(fn->l.env, obj2gco(t)); - lj_gc_objbarrier(L, obj2gco(fn), t); - setfuncV(L, L->top++, fn); - return 1; -} - -LJLIB_ASM(rawget) LJLIB_REC(.) -{ - lj_lib_checktab(L, 1); - lj_lib_checkany(L, 2); - return FFH_UNREACHABLE; -} - -LJLIB_CF(rawset) LJLIB_REC(.) -{ - lj_lib_checktab(L, 1); - lj_lib_checkany(L, 2); - L->top = 1+lj_lib_checkany(L, 3); - lua_rawset(L, 1); - return 1; -} - -LJLIB_CF(rawequal) LJLIB_REC(.) -{ - cTValue *o1 = lj_lib_checkany(L, 1); - cTValue *o2 = lj_lib_checkany(L, 2); - setboolV(L->top-1, lj_obj_equal(o1, o2)); - return 1; -} - -LJLIB_CF(unpack) -{ - GCtab *t = lj_lib_checktab(L, 1); - int32_t n, i = lj_lib_optint(L, 2, 1); - int32_t e = (L->base+3-1 < L->top && !tvisnil(L->base+3-1)) ? - lj_lib_checkint(L, 3) : (int32_t)lj_tab_len(t); - if (i > e) return 0; - n = e - i + 1; - if (n <= 0 || !lua_checkstack(L, n)) - lj_err_caller(L, LJ_ERR_UNPACK); - do { - cTValue *tv = lj_tab_getint(t, i); - if (tv) { - copyTV(L, L->top++, tv); - } else { - setnilV(L->top++); - } - } while (i++ < e); - return n; -} - -LJLIB_CF(select) LJLIB_REC(.) -{ - int32_t n = (int32_t)(L->top - L->base); - if (n >= 1 && tvisstr(L->base) && *strVdata(L->base) == '#') { - setintV(L->top-1, n-1); - return 1; - } else { - int32_t i = lj_lib_checkint(L, 1); - if (i < 0) i = n + i; else if (i > n) i = n; - if (i < 1) - lj_err_arg(L, 1, LJ_ERR_IDXRNG); - return n - i; - } -} - -/* -- Base library: conversions ------------------------------------------- */ - -LJLIB_ASM(tonumber) LJLIB_REC(.) -{ - int32_t base = lj_lib_optint(L, 2, 10); - if (base == 10) { - TValue *o = lj_lib_checkany(L, 1); - if (tvisnumber(o) || (tvisstr(o) && lj_str_tonumber(strV(o), o))) { - copyTV(L, L->base-1, o); - return FFH_RES(1); - } -#if LJ_HASFFI - if (tviscdata(o)) { - CTState *cts = ctype_cts(L); - CType *ct = lj_ctype_rawref(cts, cdataV(o)->typeid); - if (ctype_isenum(ct->info)) ct = ctype_child(cts, ct); - if (ctype_isnum(ct->info) || ctype_iscomplex(ct->info)) { - if (LJ_DUALNUM && ctype_isinteger_or_bool(ct->info) && - ct->size <= 4 && !(ct->size == 4 && (ct->info & CTF_UNSIGNED))) { - int32_t i; - lj_cconv_ct_tv(cts, ctype_get(cts, CTID_INT32), (uint8_t *)&i, o, 0); - setintV(L->base-1, i); - return FFH_RES(1); - } - lj_cconv_ct_tv(cts, ctype_get(cts, CTID_DOUBLE), - (uint8_t *)&(L->base-1)->n, o, 0); - return FFH_RES(1); - } - } -#endif - } else { - const char *p = strdata(lj_lib_checkstr(L, 1)); - char *ep; - unsigned long ul; - if (base < 2 || base > 36) - lj_err_arg(L, 2, LJ_ERR_BASERNG); - ul = strtoul(p, &ep, base); - if (p != ep) { - while (lj_char_isspace((unsigned char)(*ep))) ep++; - if (*ep == '\0') { - if (LJ_DUALNUM && LJ_LIKELY(ul < 0x80000000u)) - setintV(L->base-1, (int32_t)ul); - else - setnumV(L->base-1, (lua_Number)ul); - return FFH_RES(1); - } - } - } - setnilV(L->base-1); - return FFH_RES(1); -} - -LJLIB_PUSH("nil") -LJLIB_PUSH("false") -LJLIB_PUSH("true") -LJLIB_ASM(tostring) LJLIB_REC(.) -{ - TValue *o = lj_lib_checkany(L, 1); - cTValue *mo; - L->top = o+1; /* Only keep one argument. */ - if (!tvisnil(mo = lj_meta_lookup(L, o, MM_tostring))) { - copyTV(L, L->base-1, mo); /* Replace callable. */ - return FFH_TAILCALL; - } else { - GCstr *s; - if (tvisnumber(o)) { - s = lj_str_fromnumber(L, o); - } else if (tvispri(o)) { - s = strV(lj_lib_upvalue(L, -(int32_t)itype(o))); - } else { - if (tvisfunc(o) && isffunc(funcV(o))) - lua_pushfstring(L, "function: fast#%d", funcV(o)->c.ffid); - else - lua_pushfstring(L, "%s: %p", typename(o), lua_topointer(L, 1)); - /* Note: lua_pushfstring calls the GC which may invalidate o. */ - s = strV(L->top-1); - } - setstrV(L, L->base-1, s); - return FFH_RES(1); - } -} - -/* -- Base library: iterators --------------------------------------------- */ - -/* This solves a circular dependency problem -- change FF_next_N as needed. */ -LJ_STATIC_ASSERT((int)FF_next == FF_next_N); - -LJLIB_ASM(next) -{ - lj_lib_checktab(L, 1); - return FFH_UNREACHABLE; -} - -#ifdef LUAJIT_ENABLE_LUA52COMPAT -static int ffh_pairs(lua_State *L, MMS mm) -{ - TValue *o = lj_lib_checkany(L, 1); - cTValue *mo = lj_meta_lookup(L, o, mm); - if (!tvisnil(mo)) { - L->top = o+1; /* Only keep one argument. */ - copyTV(L, L->base-1, mo); /* Replace callable. */ - return FFH_TAILCALL; - } else { - if (!tvistab(o)) lj_err_argt(L, 1, LUA_TTABLE); - setfuncV(L, o-1, funcV(lj_lib_upvalue(L, 1))); - if (mm == MM_pairs) setnilV(o+1); else setintV(o+1, 0); - return FFH_RES(3); - } -} -#else -#define ffh_pairs(L, mm) (lj_lib_checktab(L, 1), FFH_UNREACHABLE) -#endif - -LJLIB_PUSH(lastcl) -LJLIB_ASM(pairs) -{ - return ffh_pairs(L, MM_pairs); -} - -LJLIB_NOREGUV LJLIB_ASM(ipairs_aux) LJLIB_REC(.) -{ - lj_lib_checktab(L, 1); - lj_lib_checkint(L, 2); - return FFH_UNREACHABLE; -} - -LJLIB_PUSH(lastcl) -LJLIB_ASM(ipairs) LJLIB_REC(.) -{ - return ffh_pairs(L, MM_ipairs); -} - -/* -- Base library: throw and catch errors -------------------------------- */ - -LJLIB_CF(error) -{ - int32_t level = lj_lib_optint(L, 2, 1); - lua_settop(L, 1); - if (lua_isstring(L, 1) && level > 0) { - luaL_where(L, level); - lua_pushvalue(L, 1); - lua_concat(L, 2); - } - return lua_error(L); -} - -LJLIB_ASM(pcall) LJLIB_REC(.) -{ - lj_lib_checkany(L, 1); - lj_lib_checkfunc(L, 2); /* For xpcall only. */ - return FFH_UNREACHABLE; -} -LJLIB_ASM_(xpcall) LJLIB_REC(.) - -/* -- Base library: load Lua code ----------------------------------------- */ - -static int load_aux(lua_State *L, int status) -{ - if (status == 0) - return 1; - copyTV(L, L->top, L->top-1); - setnilV(L->top-1); - L->top++; - return 2; -} - -LJLIB_CF(loadstring) -{ - GCstr *s = lj_lib_checkstr(L, 1); - GCstr *name = lj_lib_optstr(L, 2); - return load_aux(L, - luaL_loadbuffer(L, strdata(s), s->len, strdata(name ? name : s))); -} - -LJLIB_CF(loadfile) -{ - GCstr *fname = lj_lib_optstr(L, 1); - return load_aux(L, luaL_loadfile(L, fname ? strdata(fname) : NULL)); -} - -static const char *reader_func(lua_State *L, void *ud, size_t *size) -{ - UNUSED(ud); - luaL_checkstack(L, 2, "too many nested functions"); - copyTV(L, L->top++, L->base); - lua_call(L, 0, 1); /* Call user-supplied function. */ - L->top--; - if (tvisnil(L->top)) { - *size = 0; - return NULL; - } else if (tvisstr(L->top) || tvisnumber(L->top)) { - copyTV(L, L->base+2, L->top); /* Anchor string in reserved stack slot. */ - return lua_tolstring(L, 3, size); - } else { - lj_err_caller(L, LJ_ERR_RDRSTR); - return NULL; - } -} - -LJLIB_CF(load) -{ - GCstr *name; - if (L->base < L->top && (tvisstr(L->base) || tvisnumber(L->base))) - return lj_cf_loadstring(L); - lj_lib_checkfunc(L, 1); - name = lj_lib_optstr(L, 2); - lua_settop(L, 3); /* Reserve a slot for the string from the reader. */ - return load_aux(L, - lua_load(L, reader_func, NULL, name ? strdata(name) : "=(load)")); -} - -LJLIB_CF(dofile) -{ - GCstr *fname = lj_lib_optstr(L, 1); - setnilV(L->top); - L->top = L->base+1; - if (luaL_loadfile(L, fname ? strdata(fname) : NULL) != 0) - lua_error(L); - lua_call(L, 0, LUA_MULTRET); - return (int)(L->top - L->base) - 1; -} - -/* -- Base library: GC control -------------------------------------------- */ - -LJLIB_CF(gcinfo) -{ - setintV(L->top++, (G(L)->gc.total >> 10)); - return 1; -} - -LJLIB_CF(collectgarbage) -{ - int opt = lj_lib_checkopt(L, 1, LUA_GCCOLLECT, /* ORDER LUA_GC* */ - "\4stop\7restart\7collect\5count\1\377\4step\10setpause\12setstepmul"); - int32_t data = lj_lib_optint(L, 2, 0); - if (opt == LUA_GCCOUNT) { - setnumV(L->top, (lua_Number)G(L)->gc.total/1024.0); - } else { - int res = lua_gc(L, opt, data); - if (opt == LUA_GCSTEP) - setboolV(L->top, res); - else - setintV(L->top, res); - } - L->top++; - return 1; -} - -/* -- Base library: miscellaneous functions ------------------------------- */ - -LJLIB_PUSH(top-2) /* Upvalue holds weak table. */ -LJLIB_CF(newproxy) -{ - lua_settop(L, 1); - lua_newuserdata(L, 0); - if (lua_toboolean(L, 1) == 0) { /* newproxy(): without metatable. */ - return 1; - } else if (lua_isboolean(L, 1)) { /* newproxy(true): with metatable. */ - lua_newtable(L); - lua_pushvalue(L, -1); - lua_pushboolean(L, 1); - lua_rawset(L, lua_upvalueindex(1)); /* Remember mt in weak table. */ - } else { /* newproxy(proxy): inherit metatable. */ - int validproxy = 0; - if (lua_getmetatable(L, 1)) { - lua_rawget(L, lua_upvalueindex(1)); - validproxy = lua_toboolean(L, -1); - lua_pop(L, 1); - } - if (!validproxy) - lj_err_arg(L, 1, LJ_ERR_NOPROXY); - lua_getmetatable(L, 1); - } - lua_setmetatable(L, 2); - return 1; -} - -LJLIB_PUSH("tostring") -LJLIB_CF(print) -{ - ptrdiff_t i, nargs = L->top - L->base; - cTValue *tv = lj_tab_getstr(tabref(L->env), strV(lj_lib_upvalue(L, 1))); - int shortcut; - if (tv && !tvisnil(tv)) { - copyTV(L, L->top++, tv); - } else { - setstrV(L, L->top++, strV(lj_lib_upvalue(L, 1))); - lua_gettable(L, LUA_GLOBALSINDEX); - tv = L->top-1; - } - shortcut = (tvisfunc(tv) && funcV(tv)->c.ffid == FF_tostring); - for (i = 0; i < nargs; i++) { - const char *str; - size_t size; - cTValue *o = &L->base[i]; - if (shortcut && tvisstr(o)) { - str = strVdata(o); - size = strV(o)->len; - } else if (shortcut && tvisint(o)) { - char buf[LJ_STR_INTBUF]; - char *p = lj_str_bufint(buf, intV(o)); - size = (size_t)(buf+LJ_STR_INTBUF-p); - str = p; - } else if (shortcut && tvisnum(o)) { - char buf[LJ_STR_NUMBUF]; - size = lj_str_bufnum(buf, o); - str = buf; - } else { - copyTV(L, L->top+1, o); - copyTV(L, L->top, L->top-1); - L->top += 2; - lua_call(L, 1, 1); - str = lua_tolstring(L, -1, &size); - if (!str) - lj_err_caller(L, LJ_ERR_PRTOSTR); - L->top--; - } - if (i) - putchar('\t'); - fwrite(str, 1, size, stdout); - } - putchar('\n'); - return 0; -} - -LJLIB_PUSH(top-3) -LJLIB_SET(_VERSION) - -#include "lj_libdef.h" - -/* -- Coroutine library --------------------------------------------------- */ - -#define LJLIB_MODULE_coroutine - -LJLIB_CF(coroutine_status) -{ - const char *s; - lua_State *co; - if (!(L->top > L->base && tvisthread(L->base))) - lj_err_arg(L, 1, LJ_ERR_NOCORO); - co = threadV(L->base); - if (co == L) s = "running"; - else if (co->status == LUA_YIELD) s = "suspended"; - else if (co->status != 0) s = "dead"; - else if (co->base > tvref(co->stack)+1) s = "normal"; - else if (co->top == co->base) s = "dead"; - else s = "suspended"; - lua_pushstring(L, s); - return 1; -} - -LJLIB_CF(coroutine_running) -{ -#ifdef LUAJIT_ENABLE_LUA52COMPAT - int ismain = lua_pushthread(L); - setboolV(L->top++, ismain); - return 2; -#else - if (lua_pushthread(L)) - setnilV(L->top++); - return 1; -#endif -} - -LJLIB_CF(coroutine_create) -{ - lua_State *L1 = lua_newthread(L); - if (!(L->base < L->top && tvisfunc(L->base))) - lj_err_argt(L, 1, LUA_TFUNCTION); - setfuncV(L, L1->top++, funcV(L->base)); - return 1; -} - -LJLIB_ASM(coroutine_yield) -{ - lj_err_caller(L, LJ_ERR_CYIELD); - return FFH_UNREACHABLE; -} - -static int ffh_resume(lua_State *L, lua_State *co, int wrap) -{ - if (co->cframe != NULL || co->status > LUA_YIELD || - (co->status == 0 && co->top == co->base)) { - ErrMsg em = co->cframe ? LJ_ERR_CORUN : LJ_ERR_CODEAD; - if (wrap) lj_err_caller(L, em); - setboolV(L->base-1, 0); - setstrV(L, L->base, lj_err_str(L, em)); - return FFH_RES(2); - } - lj_state_growstack(co, (MSize)(L->top - L->base)); - return FFH_RETRY; -} - -LJLIB_ASM(coroutine_resume) -{ - if (!(L->top > L->base && tvisthread(L->base))) - lj_err_arg(L, 1, LJ_ERR_NOCORO); - return ffh_resume(L, threadV(L->base), 0); -} - -LJLIB_NOREG LJLIB_ASM(coroutine_wrap_aux) -{ - return ffh_resume(L, threadV(lj_lib_upvalue(L, 1)), 1); -} - -/* Inline declarations. */ -LJ_ASMF void lj_ff_coroutine_wrap_aux(void); -LJ_FUNCA_NORET void LJ_FASTCALL lj_ffh_coroutine_wrap_err(lua_State *L, - lua_State *co); - -/* Error handler, called from assembler VM. */ -void LJ_FASTCALL lj_ffh_coroutine_wrap_err(lua_State *L, lua_State *co) -{ - co->top--; copyTV(L, L->top, co->top); L->top++; - if (tvisstr(L->top-1)) - lj_err_callermsg(L, strVdata(L->top-1)); - else - lj_err_run(L); -} - -/* Forward declaration. */ -static void setpc_wrap_aux(lua_State *L, GCfunc *fn); - -LJLIB_CF(coroutine_wrap) -{ - lj_cf_coroutine_create(L); - lj_lib_pushcc(L, lj_ffh_coroutine_wrap_aux, FF_coroutine_wrap_aux, 1); - setpc_wrap_aux(L, funcV(L->top-1)); - return 1; -} - -#include "lj_libdef.h" - -/* Fix the PC of wrap_aux. Really ugly workaround. */ -static void setpc_wrap_aux(lua_State *L, GCfunc *fn) -{ - setmref(fn->c.pc, &L2GG(L)->bcff[lj_lib_init_coroutine[1]+2]); -} - -/* ------------------------------------------------------------------------ */ - -static void newproxy_weaktable(lua_State *L) -{ - /* NOBARRIER: The table is new (marked white). */ - GCtab *t = lj_tab_new(L, 0, 1); - settabV(L, L->top++, t); - setgcref(t->metatable, obj2gco(t)); - setstrV(L, lj_tab_setstr(L, t, lj_str_newlit(L, "__mode")), - lj_str_newlit(L, "kv")); - t->nomm = (uint8_t)(~(1u<env); - settabV(L, lj_tab_setstr(L, env, lj_str_newlit(L, "_G")), env); - lua_pushliteral(L, LUA_VERSION); /* top-3. */ - newproxy_weaktable(L); /* top-2. */ - LJ_LIB_REG(L, "_G", base); - LJ_LIB_REG(L, LUA_COLIBNAME, coroutine); - return 2; -} - diff --git a/libraries/luajit-2.0/src/lib_bit.c b/libraries/luajit-2.0/src/lib_bit.c deleted file mode 100644 index c6c5c6f..0000000 --- a/libraries/luajit-2.0/src/lib_bit.c +++ /dev/null @@ -1,74 +0,0 @@ -/* -** Bit manipulation library. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lib_bit_c -#define LUA_LIB - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" - -#include "lj_obj.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_lib.h" - -/* ------------------------------------------------------------------------ */ - -#define LJLIB_MODULE_bit - -LJLIB_ASM(bit_tobit) LJLIB_REC(bit_unary IR_TOBIT) -{ - lj_lib_checknumber(L, 1); - return FFH_RETRY; -} -LJLIB_ASM_(bit_bnot) LJLIB_REC(bit_unary IR_BNOT) -LJLIB_ASM_(bit_bswap) LJLIB_REC(bit_unary IR_BSWAP) - -LJLIB_ASM(bit_lshift) LJLIB_REC(bit_shift IR_BSHL) -{ - lj_lib_checknumber(L, 1); - lj_lib_checkbit(L, 2); - return FFH_RETRY; -} -LJLIB_ASM_(bit_rshift) LJLIB_REC(bit_shift IR_BSHR) -LJLIB_ASM_(bit_arshift) LJLIB_REC(bit_shift IR_BSAR) -LJLIB_ASM_(bit_rol) LJLIB_REC(bit_shift IR_BROL) -LJLIB_ASM_(bit_ror) LJLIB_REC(bit_shift IR_BROR) - -LJLIB_ASM(bit_band) LJLIB_REC(bit_nary IR_BAND) -{ - int i = 0; - do { lj_lib_checknumber(L, ++i); } while (L->base+i < L->top); - return FFH_RETRY; -} -LJLIB_ASM_(bit_bor) LJLIB_REC(bit_nary IR_BOR) -LJLIB_ASM_(bit_bxor) LJLIB_REC(bit_nary IR_BXOR) - -/* ------------------------------------------------------------------------ */ - -LJLIB_CF(bit_tohex) -{ - uint32_t b = (uint32_t)lj_lib_checkbit(L, 1); - int32_t i, n = L->base+1 >= L->top ? 8 : lj_lib_checkbit(L, 2); - const char *hexdigits = "0123456789abcdef"; - char buf[8]; - if (n < 0) { n = -n; hexdigits = "0123456789ABCDEF"; } - if (n > 8) n = 8; - for (i = n; --i >= 0; ) { buf[i] = hexdigits[b & 15]; b >>= 4; } - lua_pushlstring(L, buf, (size_t)n); - return 1; -} - -/* ------------------------------------------------------------------------ */ - -#include "lj_libdef.h" - -LUALIB_API int luaopen_bit(lua_State *L) -{ - LJ_LIB_REG(L, LUA_BITLIBNAME, bit); - return 1; -} - diff --git a/libraries/luajit-2.0/src/lib_debug.c b/libraries/luajit-2.0/src/lib_debug.c deleted file mode 100644 index 3f1cb8c..0000000 --- a/libraries/luajit-2.0/src/lib_debug.c +++ /dev/null @@ -1,366 +0,0 @@ -/* -** Debug library. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#define lib_debug_c -#define LUA_LIB - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" - -#include "lj_obj.h" -#include "lj_err.h" -#include "lj_lib.h" - -/* ------------------------------------------------------------------------ */ - -#define LJLIB_MODULE_debug - -LJLIB_CF(debug_getregistry) -{ - copyTV(L, L->top++, registry(L)); - return 1; -} - -LJLIB_CF(debug_getmetatable) -{ - lj_lib_checkany(L, 1); - if (!lua_getmetatable(L, 1)) { - setnilV(L->top-1); - } - return 1; -} - -LJLIB_CF(debug_setmetatable) -{ - lj_lib_checktabornil(L, 2); - L->top = L->base+2; - lua_setmetatable(L, 1); - setboolV(L->top-1, 1); - return 1; -} - -LJLIB_CF(debug_getfenv) -{ - lj_lib_checkany(L, 1); - lua_getfenv(L, 1); - return 1; -} - -LJLIB_CF(debug_setfenv) -{ - lj_lib_checktab(L, 2); - L->top = L->base+2; - if (!lua_setfenv(L, 1)) - lj_err_caller(L, LJ_ERR_SETFENV); - return 1; -} - -/* ------------------------------------------------------------------------ */ - -static void settabss(lua_State *L, const char *i, const char *v) -{ - lua_pushstring(L, v); - lua_setfield(L, -2, i); -} - -static void settabsi(lua_State *L, const char *i, int v) -{ - lua_pushinteger(L, v); - lua_setfield(L, -2, i); -} - -static lua_State *getthread(lua_State *L, int *arg) -{ - if (L->base < L->top && tvisthread(L->base)) { - *arg = 1; - return threadV(L->base); - } else { - *arg = 0; - return L; - } -} - -static void treatstackoption(lua_State *L, lua_State *L1, const char *fname) -{ - if (L == L1) { - lua_pushvalue(L, -2); - lua_remove(L, -3); - } - else - lua_xmove(L1, L, 1); - lua_setfield(L, -2, fname); -} - -LJLIB_CF(debug_getinfo) -{ - lua_Debug ar; - int arg; - lua_State *L1 = getthread(L, &arg); - const char *options = luaL_optstring(L, arg+2, "flnSu"); - if (lua_isnumber(L, arg+1)) { - if (!lua_getstack(L1, (int)lua_tointeger(L, arg+1), &ar)) { - setnilV(L->top-1); - return 1; - } - } else if (L->base+arg < L->top && tvisfunc(L->base+arg)) { - options = lua_pushfstring(L, ">%s", options); - setfuncV(L1, L1->top++, funcV(L->base+arg)); - } else { - lj_err_arg(L, arg+1, LJ_ERR_NOFUNCL); - } - if (!lua_getinfo(L1, options, &ar)) - lj_err_arg(L, arg+2, LJ_ERR_INVOPT); - lua_createtable(L, 0, 16); - if (strchr(options, 'S')) { - settabss(L, "source", ar.source); - settabss(L, "short_src", ar.short_src); - settabsi(L, "linedefined", ar.linedefined); - settabsi(L, "lastlinedefined", ar.lastlinedefined); - settabss(L, "what", ar.what); - } - if (strchr(options, 'l')) - settabsi(L, "currentline", ar.currentline); - if (strchr(options, 'u')) - settabsi(L, "nups", ar.nups); - if (strchr(options, 'n')) { - settabss(L, "name", ar.name); - settabss(L, "namewhat", ar.namewhat); - } - if (strchr(options, 'L')) - treatstackoption(L, L1, "activelines"); - if (strchr(options, 'f')) - treatstackoption(L, L1, "func"); - return 1; /* return table */ -} - -LJLIB_CF(debug_getlocal) -{ - int arg; - lua_State *L1 = getthread(L, &arg); - lua_Debug ar; - const char *name; - if (!lua_getstack(L1, lj_lib_checkint(L, arg+1), &ar)) - lj_err_arg(L, arg+1, LJ_ERR_LVLRNG); - name = lua_getlocal(L1, &ar, lj_lib_checkint(L, arg+2)); - if (name) { - lua_xmove(L1, L, 1); - lua_pushstring(L, name); - lua_pushvalue(L, -2); - return 2; - } else { - setnilV(L->top-1); - return 1; - } -} - -LJLIB_CF(debug_setlocal) -{ - int arg; - lua_State *L1 = getthread(L, &arg); - lua_Debug ar; - TValue *tv; - if (!lua_getstack(L1, lj_lib_checkint(L, arg+1), &ar)) - lj_err_arg(L, arg+1, LJ_ERR_LVLRNG); - tv = lj_lib_checkany(L, arg+3); - copyTV(L1, L1->top++, tv); - lua_pushstring(L, lua_setlocal(L1, &ar, lj_lib_checkint(L, arg+2))); - return 1; -} - -static int debug_getupvalue(lua_State *L, int get) -{ - int32_t n = lj_lib_checkint(L, 2); - if (isluafunc(lj_lib_checkfunc(L, 1))) { - const char *name = get ? lua_getupvalue(L, 1, n) : lua_setupvalue(L, 1, n); - if (name) { - lua_pushstring(L, name); - if (!get) return 1; - copyTV(L, L->top, L->top-2); - L->top++; - return 2; - } - } - return 0; -} - -LJLIB_CF(debug_getupvalue) -{ - return debug_getupvalue(L, 1); -} - -LJLIB_CF(debug_setupvalue) -{ - lj_lib_checkany(L, 3); - return debug_getupvalue(L, 0); -} - -/* ------------------------------------------------------------------------ */ - -static const char KEY_HOOK = 'h'; - -static void hookf(lua_State *L, lua_Debug *ar) -{ - static const char *const hooknames[] = - {"call", "return", "line", "count", "tail return"}; - lua_pushlightuserdata(L, (void *)&KEY_HOOK); - lua_rawget(L, LUA_REGISTRYINDEX); - if (lua_isfunction(L, -1)) { - lua_pushstring(L, hooknames[(int)ar->event]); - if (ar->currentline >= 0) - lua_pushinteger(L, ar->currentline); - else lua_pushnil(L); - lua_call(L, 2, 0); - } -} - -static int makemask(const char *smask, int count) -{ - int mask = 0; - if (strchr(smask, 'c')) mask |= LUA_MASKCALL; - if (strchr(smask, 'r')) mask |= LUA_MASKRET; - if (strchr(smask, 'l')) mask |= LUA_MASKLINE; - if (count > 0) mask |= LUA_MASKCOUNT; - return mask; -} - -static char *unmakemask(int mask, char *smask) -{ - int i = 0; - if (mask & LUA_MASKCALL) smask[i++] = 'c'; - if (mask & LUA_MASKRET) smask[i++] = 'r'; - if (mask & LUA_MASKLINE) smask[i++] = 'l'; - smask[i] = '\0'; - return smask; -} - -LJLIB_CF(debug_sethook) -{ - int arg, mask, count; - lua_Hook func; - (void)getthread(L, &arg); - if (lua_isnoneornil(L, arg+1)) { - lua_settop(L, arg+1); - func = NULL; mask = 0; count = 0; /* turn off hooks */ - } else { - const char *smask = luaL_checkstring(L, arg+2); - luaL_checktype(L, arg+1, LUA_TFUNCTION); - count = luaL_optint(L, arg+3, 0); - func = hookf; mask = makemask(smask, count); - } - lua_pushlightuserdata(L, (void *)&KEY_HOOK); - lua_pushvalue(L, arg+1); - lua_rawset(L, LUA_REGISTRYINDEX); - lua_sethook(L, func, mask, count); - return 0; -} - -LJLIB_CF(debug_gethook) -{ - char buff[5]; - int mask = lua_gethookmask(L); - lua_Hook hook = lua_gethook(L); - if (hook != NULL && hook != hookf) { /* external hook? */ - lua_pushliteral(L, "external hook"); - } else { - lua_pushlightuserdata(L, (void *)&KEY_HOOK); - lua_rawget(L, LUA_REGISTRYINDEX); /* get hook */ - } - lua_pushstring(L, unmakemask(mask, buff)); - lua_pushinteger(L, lua_gethookcount(L)); - return 3; -} - -/* ------------------------------------------------------------------------ */ - -LJLIB_CF(debug_debug) -{ - for (;;) { - char buffer[250]; - fputs("lua_debug> ", stderr); - if (fgets(buffer, sizeof(buffer), stdin) == 0 || - strcmp(buffer, "cont\n") == 0) - return 0; - if (luaL_loadbuffer(L, buffer, strlen(buffer), "=(debug command)") || - lua_pcall(L, 0, 0, 0)) { - fputs(lua_tostring(L, -1), stderr); - fputs("\n", stderr); - } - lua_settop(L, 0); /* remove eventual returns */ - } -} - -/* ------------------------------------------------------------------------ */ - -#define LEVELS1 12 /* size of the first part of the stack */ -#define LEVELS2 10 /* size of the second part of the stack */ - -LJLIB_CF(debug_traceback) -{ - int level; - int firstpart = 1; /* still before eventual `...' */ - int arg; - lua_State *L1 = getthread(L, &arg); - lua_Debug ar; - if (lua_isnumber(L, arg+2)) { - level = (int)lua_tointeger(L, arg+2); - lua_pop(L, 1); - } - else - level = (L == L1) ? 1 : 0; /* level 0 may be this own function */ - if (lua_gettop(L) == arg) - lua_pushliteral(L, ""); - else if (!lua_isstring(L, arg+1)) return 1; /* message is not a string */ - else lua_pushliteral(L, "\n"); - lua_pushliteral(L, "stack traceback:"); - while (lua_getstack(L1, level++, &ar)) { - if (level > LEVELS1 && firstpart) { - /* no more than `LEVELS2' more levels? */ - if (!lua_getstack(L1, level+LEVELS2, &ar)) { - level--; /* keep going */ - } else { - lua_pushliteral(L, "\n\t..."); /* too many levels */ - /* This only works with LuaJIT 2.x. Avoids O(n^2) behaviour. */ - lua_getstack(L1, -10, &ar); - level = ar.i_ci - LEVELS2; - } - firstpart = 0; - continue; - } - lua_pushliteral(L, "\n\t"); - lua_getinfo(L1, "Snl", &ar); - lua_pushfstring(L, "%s:", ar.short_src); - if (ar.currentline > 0) - lua_pushfstring(L, "%d:", ar.currentline); - if (*ar.namewhat != '\0') { /* is there a name? */ - lua_pushfstring(L, " in function " LUA_QS, ar.name); - } else { - if (*ar.what == 'm') /* main? */ - lua_pushfstring(L, " in main chunk"); - else if (*ar.what == 'C' || *ar.what == 't') - lua_pushliteral(L, " ?"); /* C function or tail call */ - else - lua_pushfstring(L, " in function <%s:%d>", - ar.short_src, ar.linedefined); - } - lua_concat(L, lua_gettop(L) - arg); - } - lua_concat(L, lua_gettop(L) - arg); - return 1; -} - -/* ------------------------------------------------------------------------ */ - -#include "lj_libdef.h" - -LUALIB_API int luaopen_debug(lua_State *L) -{ - LJ_LIB_REG(L, LUA_DBLIBNAME, debug); - return 1; -} - diff --git a/libraries/luajit-2.0/src/lib_ffi.c b/libraries/luajit-2.0/src/lib_ffi.c deleted file mode 100644 index 0a8a728..0000000 --- a/libraries/luajit-2.0/src/lib_ffi.c +++ /dev/null @@ -1,811 +0,0 @@ -/* -** FFI library. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lib_ffi_c -#define LUA_LIB - -#include - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" - -#include "lj_obj.h" - -#if LJ_HASFFI - -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_meta.h" -#include "lj_ctype.h" -#include "lj_cparse.h" -#include "lj_cdata.h" -#include "lj_cconv.h" -#include "lj_carith.h" -#include "lj_ccall.h" -#include "lj_ccallback.h" -#include "lj_clib.h" -#include "lj_ff.h" -#include "lj_lib.h" - -/* -- C type checks ------------------------------------------------------- */ - -/* Check first argument for a C type and returns its ID. */ -static CTypeID ffi_checkctype(lua_State *L, CTState *cts) -{ - TValue *o = L->base; - if (!(o < L->top)) { - err_argtype: - lj_err_argtype(L, 1, "C type"); - } - if (tvisstr(o)) { /* Parse an abstract C type declaration. */ - GCstr *s = strV(o); - CPState cp; - int errcode; - cp.L = L; - cp.cts = cts; - cp.srcname = strdata(s); - cp.p = strdata(s); - cp.mode = CPARSE_MODE_ABSTRACT|CPARSE_MODE_NOIMPLICIT; - errcode = lj_cparse(&cp); - if (errcode) lj_err_throw(L, errcode); /* Propagate errors. */ - return cp.val.id; - } else { - GCcdata *cd; - if (!tviscdata(o)) goto err_argtype; - cd = cdataV(o); - return cd->typeid == CTID_CTYPEID ? *(CTypeID *)cdataptr(cd) : cd->typeid; - } -} - -/* Check argument for C data and return it. */ -static GCcdata *ffi_checkcdata(lua_State *L, int narg) -{ - TValue *o = L->base + narg-1; - if (!(o < L->top && tviscdata(o))) - lj_err_argt(L, narg, LUA_TCDATA); - return cdataV(o); -} - -/* Convert argument to C pointer. */ -static void *ffi_checkptr(lua_State *L, int narg, CTypeID id) -{ - CTState *cts = ctype_cts(L); - TValue *o = L->base + narg-1; - void *p; - if (o >= L->top) - lj_err_arg(L, narg, LJ_ERR_NOVAL); - lj_cconv_ct_tv(cts, ctype_get(cts, id), (uint8_t *)&p, o, CCF_ARG(narg)); - return p; -} - -/* Convert argument to int32_t. */ -static int32_t ffi_checkint(lua_State *L, int narg) -{ - CTState *cts = ctype_cts(L); - TValue *o = L->base + narg-1; - int32_t i; - if (o >= L->top) - lj_err_arg(L, narg, LJ_ERR_NOVAL); - lj_cconv_ct_tv(cts, ctype_get(cts, CTID_INT32), (uint8_t *)&i, o, - CCF_ARG(narg)); - return i; -} - -/* -- C type metamethods -------------------------------------------------- */ - -#define LJLIB_MODULE_ffi_meta - -/* Handle ctype __index/__newindex metamethods. */ -static int ffi_index_meta(lua_State *L, CTState *cts, CType *ct, MMS mm) -{ - CTypeID id = ctype_typeid(cts, ct); - cTValue *tv = lj_ctype_meta(cts, id, mm); - TValue *base = L->base; - if (!tv) { - const char *s; - err_index: - s = strdata(lj_ctype_repr(L, id, NULL)); - if (tvisstr(L->base+1)) - lj_err_callerv(L, LJ_ERR_FFI_BADMEMBER, s, strVdata(L->base+1)); - else - lj_err_callerv(L, LJ_ERR_FFI_BADIDX, s); - } - if (!tvisfunc(tv)) { - if (mm == MM_index) { - cTValue *o = lj_meta_tget(L, tv, base+1); - if (o) { - if (tvisnil(o)) goto err_index; - copyTV(L, L->top-1, o); - return 1; - } - } else { - TValue *o = lj_meta_tset(L, tv, base+1); - if (o) { - copyTV(L, o, base+2); - return 0; - } - } - tv = L->top-1; - } - return lj_meta_tailcall(L, tv); -} - -LJLIB_CF(ffi_meta___index) LJLIB_REC(cdata_index 0) -{ - CTState *cts = ctype_cts(L); - CTInfo qual = 0; - CType *ct; - uint8_t *p; - TValue *o = L->base; - if (!(o+1 < L->top && tviscdata(o))) /* Also checks for presence of key. */ - lj_err_argt(L, 1, LUA_TCDATA); - ct = lj_cdata_index(cts, cdataV(o), o+1, &p, &qual); - if ((qual & 1)) - return ffi_index_meta(L, cts, ct, MM_index); - if (lj_cdata_get(cts, ct, L->top-1, p)) - lj_gc_check(L); - return 1; -} - -LJLIB_CF(ffi_meta___newindex) LJLIB_REC(cdata_index 1) -{ - CTState *cts = ctype_cts(L); - CTInfo qual = 0; - CType *ct; - uint8_t *p; - TValue *o = L->base; - if (!(o+2 < L->top && tviscdata(o))) /* Also checks for key and value. */ - lj_err_argt(L, 1, LUA_TCDATA); - ct = lj_cdata_index(cts, cdataV(o), o+1, &p, &qual); - if ((qual & 1)) { - if ((qual & CTF_CONST)) - lj_err_caller(L, LJ_ERR_FFI_WRCONST); - return ffi_index_meta(L, cts, ct, MM_newindex); - } - lj_cdata_set(cts, ct, p, o+2, qual); - return 0; -} - -/* Common handler for cdata arithmetic. */ -static int ffi_arith(lua_State *L) -{ - MMS mm = (MMS)(curr_func(L)->c.ffid - (int)FF_ffi_meta___eq + (int)MM_eq); - return lj_carith_op(L, mm); -} - -/* The following functions must be in contiguous ORDER MM. */ -LJLIB_CF(ffi_meta___eq) LJLIB_REC(cdata_arith MM_eq) -{ - return ffi_arith(L); -} - -LJLIB_CF(ffi_meta___len) LJLIB_REC(cdata_arith MM_len) -{ - return ffi_arith(L); -} - -LJLIB_CF(ffi_meta___lt) LJLIB_REC(cdata_arith MM_lt) -{ - return ffi_arith(L); -} - -LJLIB_CF(ffi_meta___le) LJLIB_REC(cdata_arith MM_le) -{ - return ffi_arith(L); -} - -LJLIB_CF(ffi_meta___concat) LJLIB_REC(cdata_arith MM_concat) -{ - return ffi_arith(L); -} - -/* Handle ctype __call metamethod. */ -static int ffi_call_meta(lua_State *L, CTypeID id) -{ - CTState *cts = ctype_cts(L); - CType *ct = ctype_raw(cts, id); - cTValue *tv; - if (ctype_isptr(ct->info)) id = ctype_cid(ct->info); - tv = lj_ctype_meta(cts, id, MM_call); - if (!tv) - lj_err_callerv(L, LJ_ERR_FFI_BADCALL, strdata(lj_ctype_repr(L, id, NULL))); - return lj_meta_tailcall(L, tv); -} - -/* Forward declaration. */ -static int lj_cf_ffi_new(lua_State *L); - -LJLIB_CF(ffi_meta___call) LJLIB_REC(cdata_call) -{ - GCcdata *cd = ffi_checkcdata(L, 1); - int ret; - if (cd->typeid == CTID_CTYPEID) - return lj_cf_ffi_new(L); - if ((ret = lj_ccall_func(L, cd)) < 0) - return ffi_call_meta(L, cd->typeid); - return ret; -} - -LJLIB_CF(ffi_meta___add) LJLIB_REC(cdata_arith MM_add) -{ - return ffi_arith(L); -} - -LJLIB_CF(ffi_meta___sub) LJLIB_REC(cdata_arith MM_sub) -{ - return ffi_arith(L); -} - -LJLIB_CF(ffi_meta___mul) LJLIB_REC(cdata_arith MM_mul) -{ - return ffi_arith(L); -} - -LJLIB_CF(ffi_meta___div) LJLIB_REC(cdata_arith MM_div) -{ - return ffi_arith(L); -} - -LJLIB_CF(ffi_meta___mod) LJLIB_REC(cdata_arith MM_mod) -{ - return ffi_arith(L); -} - -LJLIB_CF(ffi_meta___pow) LJLIB_REC(cdata_arith MM_pow) -{ - return ffi_arith(L); -} - -LJLIB_CF(ffi_meta___unm) LJLIB_REC(cdata_arith MM_unm) -{ - return ffi_arith(L); -} -/* End of contiguous ORDER MM. */ - -LJLIB_CF(ffi_meta___tostring) -{ - GCcdata *cd = ffi_checkcdata(L, 1); - const char *msg = "cdata<%s>: %p"; - CTypeID id = cd->typeid; - void *p = cdataptr(cd); - if (id == CTID_CTYPEID) { - msg = "ctype<%s>"; - id = *(CTypeID *)p; - } else { - CTState *cts = ctype_cts(L); - CType *ct = ctype_raw(cts, id); - if (ctype_isref(ct->info)) ct = ctype_rawchild(cts, ct); - if (ctype_iscomplex(ct->info)) { - setstrV(L, L->top-1, lj_ctype_repr_complex(L, cdataptr(cd), ct->size)); - goto checkgc; - } else if (ct->size == 8 && ctype_isinteger(ct->info)) { - setstrV(L, L->top-1, lj_ctype_repr_int64(L, *(uint64_t *)cdataptr(cd), - (ct->info & CTF_UNSIGNED))); - goto checkgc; - } else if (ctype_isfunc(ct->info)) { - p = *(void **)p; - } else { - if (ctype_isptr(ct->info)) { - p = cdata_getptr(p, ct->size); - ct = ctype_rawchild(cts, ct); - } - if (ctype_isstruct(ct->info) || ctype_isvector(ct->info)) { - /* Handle ctype __tostring metamethod. */ - cTValue *tv = lj_ctype_meta(cts, ctype_typeid(cts, ct), MM_tostring); - if (tv) - return lj_meta_tailcall(L, tv); - } - } - } - lj_str_pushf(L, msg, strdata(lj_ctype_repr(L, id, NULL)), p); -checkgc: - lj_gc_check(L); - return 1; -} - -LJLIB_PUSH("ffi") LJLIB_SET(__metatable) - -#include "lj_libdef.h" - -/* -- C library metamethods ----------------------------------------------- */ - -#define LJLIB_MODULE_ffi_clib - -/* Index C library by a name. */ -static TValue *ffi_clib_index(lua_State *L) -{ - TValue *o = L->base; - CLibrary *cl; - if (!(o < L->top && tvisudata(o) && udataV(o)->udtype == UDTYPE_FFI_CLIB)) - lj_err_argt(L, 1, LUA_TUSERDATA); - cl = (CLibrary *)uddata(udataV(o)); - if (!(o+1 < L->top && tvisstr(o+1))) - lj_err_argt(L, 2, LUA_TSTRING); - return lj_clib_index(L, cl, strV(o+1)); -} - -LJLIB_CF(ffi_clib___index) LJLIB_REC(clib_index 1) -{ - TValue *tv = ffi_clib_index(L); - if (tviscdata(tv)) { - CTState *cts = ctype_cts(L); - GCcdata *cd = cdataV(tv); - CType *s = ctype_get(cts, cd->typeid); - if (ctype_isextern(s->info)) { - CTypeID sid = ctype_cid(s->info); - void *sp = *(void **)cdataptr(cd); - CType *ct = ctype_raw(cts, sid); - if (ctype_isenum(ct->info)) ct = ctype_child(cts, ct); - if (lj_cconv_tv_ct(cts, ct, sid, L->top-1, sp)) - lj_gc_check(L); - return 1; - } - } - copyTV(L, L->top-1, tv); - return 1; -} - -LJLIB_CF(ffi_clib___newindex) LJLIB_REC(clib_index 0) -{ - TValue *tv = ffi_clib_index(L); - TValue *o = L->base+2; - if (o < L->top && tviscdata(tv)) { - CTState *cts = ctype_cts(L); - GCcdata *cd = cdataV(tv); - CType *d = ctype_get(cts, cd->typeid); - if (ctype_isextern(d->info)) { - CTInfo qual = 0; - for (;;) { /* Skip attributes and collect qualifiers. */ - d = ctype_child(cts, d); - if (!ctype_isattrib(d->info)) break; - if (ctype_attrib(d->info) == CTA_QUAL) qual |= d->size; - } - if (!((d->info|qual) & CTF_CONST)) { - lj_cconv_ct_tv(cts, d, *(void **)cdataptr(cd), o, 0); - return 0; - } - } - } - lj_err_caller(L, LJ_ERR_FFI_WRCONST); - return 0; /* unreachable */ -} - -LJLIB_CF(ffi_clib___gc) -{ - TValue *o = L->base; - if (o < L->top && tvisudata(o) && udataV(o)->udtype == UDTYPE_FFI_CLIB) - lj_clib_unload((CLibrary *)uddata(udataV(o))); - return 0; -} - -#include "lj_libdef.h" - -/* -- Callback function metamethods --------------------------------------- */ - -#define LJLIB_MODULE_ffi_callback - -static int ffi_callback_set(lua_State *L, GCfunc *fn) -{ - GCcdata *cd = ffi_checkcdata(L, 1); - CTState *cts = ctype_cts(L); - CType *ct = ctype_raw(cts, cd->typeid); - if (ctype_isptr(ct->info) && (LJ_32 || ct->size == 8)) { - MSize slot = lj_ccallback_ptr2slot(cts, *(void **)cdataptr(cd)); - if (slot < cts->cb.sizeid && cts->cb.cbid[slot] != 0) { - GCtab *t = cts->miscmap; - TValue *tv = lj_tab_setint(L, t, (int32_t)slot); - if (fn) { - setfuncV(L, tv, fn); - lj_gc_anybarriert(L, t); - } else { - setnilV(tv); - cts->cb.cbid[slot] = 0; - cts->cb.topid = slot < cts->cb.topid ? slot : cts->cb.topid; - } - return 0; - } - } - lj_err_caller(L, LJ_ERR_FFI_BADCBACK); - return 0; -} - -LJLIB_CF(ffi_callback_free) -{ - return ffi_callback_set(L, NULL); -} - -LJLIB_CF(ffi_callback_set) -{ - GCfunc *fn = lj_lib_checkfunc(L, 2); - return ffi_callback_set(L, fn); -} - -LJLIB_PUSH(top-1) LJLIB_SET(__index) - -#include "lj_libdef.h" - -/* -- FFI library functions ----------------------------------------------- */ - -#define LJLIB_MODULE_ffi - -LJLIB_CF(ffi_cdef) -{ - GCstr *s = lj_lib_checkstr(L, 1); - CPState cp; - int errcode; - cp.L = L; - cp.cts = ctype_cts(L); - cp.srcname = strdata(s); - cp.p = strdata(s); - cp.mode = CPARSE_MODE_MULTI|CPARSE_MODE_DIRECT; - errcode = lj_cparse(&cp); - if (errcode) lj_err_throw(L, errcode); /* Propagate errors. */ - lj_gc_check(L); - return 0; -} - -LJLIB_CF(ffi_new) LJLIB_REC(.) -{ - CTState *cts = ctype_cts(L); - CTypeID id = ffi_checkctype(L, cts); - CType *ct = ctype_raw(cts, id); - CTSize sz; - CTInfo info = lj_ctype_info(cts, id, &sz); - TValue *o = L->base+1; - GCcdata *cd; - if ((info & CTF_VLA)) { - o++; - sz = lj_ctype_vlsize(cts, ct, (CTSize)ffi_checkint(L, 2)); - } - if (sz == CTSIZE_INVALID) - lj_err_arg(L, 1, LJ_ERR_FFI_INVSIZE); - if (!(info & CTF_VLA) && ctype_align(info) <= CT_MEMALIGN) - cd = lj_cdata_new(cts, id, sz); - else - cd = lj_cdata_newv(cts, id, sz, ctype_align(info)); - setcdataV(L, o-1, cd); /* Anchor the uninitialized cdata. */ - lj_cconv_ct_init(cts, ct, sz, cdataptr(cd), - o, (MSize)(L->top - o)); /* Initialize cdata. */ - if (ctype_isstruct(ct->info)) { - /* Handle ctype __gc metamethod. Use the fast lookup here. */ - cTValue *tv = lj_tab_getinth(cts->miscmap, -(int32_t)id); - if (tv && tvistab(tv) && (tv = lj_meta_fast(L, tabV(tv), MM_gc))) { - GCtab *t = cts->finalizer; - if (gcref(t->metatable)) { - /* Add to finalizer table, if still enabled. */ - copyTV(L, lj_tab_set(L, t, o-1), tv); - lj_gc_anybarriert(L, t); - cd->marked |= LJ_GC_CDATA_FIN; - } - } - } - L->top = o; /* Only return the cdata itself. */ - lj_gc_check(L); - return 1; -} - -LJLIB_CF(ffi_cast) LJLIB_REC(ffi_new) -{ - CTState *cts = ctype_cts(L); - CTypeID id = ffi_checkctype(L, cts); - CType *d = ctype_raw(cts, id); - TValue *o = lj_lib_checkany(L, 2); - L->top = o+1; /* Make sure this is the last item on the stack. */ - if (!(ctype_isnum(d->info) || ctype_isptr(d->info) || ctype_isenum(d->info))) - lj_err_arg(L, 1, LJ_ERR_FFI_INVTYPE); - if (!(tviscdata(o) && cdataV(o)->typeid == id)) { - GCcdata *cd = lj_cdata_new(cts, id, d->size); - lj_cconv_ct_tv(cts, d, cdataptr(cd), o, CCF_CAST); - setcdataV(L, o, cd); - lj_gc_check(L); - } - return 1; -} - -LJLIB_CF(ffi_typeof) -{ - CTState *cts = ctype_cts(L); - CTypeID id = ffi_checkctype(L, cts); - GCcdata *cd = lj_cdata_new(cts, CTID_CTYPEID, 4); - *(CTypeID *)cdataptr(cd) = id; - setcdataV(L, L->top-1, cd); - lj_gc_check(L); - return 1; -} - -LJLIB_CF(ffi_istype) LJLIB_REC(ffi_istype) -{ - CTState *cts = ctype_cts(L); - CTypeID id1 = ffi_checkctype(L, cts); - TValue *o = lj_lib_checkany(L, 2); - int b = 0; - if (tviscdata(o)) { - GCcdata *cd = cdataV(o); - CTypeID id2 = cd->typeid == CTID_CTYPEID ? *(CTypeID *)cdataptr(cd) : - cd->typeid; - CType *ct1 = lj_ctype_rawref(cts, id1); - CType *ct2 = lj_ctype_rawref(cts, id2); - if (ct1 == ct2) { - b = 1; - } else if (ctype_type(ct1->info) == ctype_type(ct2->info) && - ct1->size == ct2->size) { - if (ctype_ispointer(ct1->info)) - b = lj_cconv_compatptr(cts, ct1, ct2, CCF_IGNQUAL); - else if (ctype_isnum(ct1->info) || ctype_isvoid(ct1->info)) - b = (((ct1->info ^ ct2->info) & ~CTF_QUAL) == 0); - } else if (ctype_isstruct(ct1->info) && ctype_isptr(ct2->info) && - ct1 == ctype_rawchild(cts, ct2)) { - b = 1; - } - } - setboolV(L->top-1, b); - setboolV(&G(L)->tmptv2, b); /* Remember for trace recorder. */ - return 1; -} - -LJLIB_CF(ffi_sizeof) -{ - CTState *cts = ctype_cts(L); - CTypeID id = ffi_checkctype(L, cts); - CTSize sz; - if (LJ_UNLIKELY(tviscdata(L->base) && cdataisv(cdataV(L->base)))) { - sz = cdatavlen(cdataV(L->base)); - } else { - CType *ct = lj_ctype_rawref(cts, id); - if (ctype_isvltype(ct->info)) - sz = lj_ctype_vlsize(cts, ct, (CTSize)ffi_checkint(L, 2)); - else - sz = ctype_hassize(ct->info) ? ct->size : CTSIZE_INVALID; - if (LJ_UNLIKELY(sz == CTSIZE_INVALID)) { - setnilV(L->top-1); - return 1; - } - } - setintV(L->top-1, (int32_t)sz); - return 1; -} - -LJLIB_CF(ffi_alignof) -{ - CTState *cts = ctype_cts(L); - CTypeID id = ffi_checkctype(L, cts); - CTSize sz = 0; - CTInfo info = lj_ctype_info(cts, id, &sz); - setintV(L->top-1, 1 << ctype_align(info)); - return 1; -} - -LJLIB_CF(ffi_offsetof) -{ - CTState *cts = ctype_cts(L); - CTypeID id = ffi_checkctype(L, cts); - GCstr *name = lj_lib_checkstr(L, 2); - CType *ct = lj_ctype_rawref(cts, id); - CTSize ofs; - if (ctype_isstruct(ct->info) && ct->size != CTSIZE_INVALID) { - CType *fct = lj_ctype_getfield(cts, ct, name, &ofs); - if (fct) { - setintV(L->top-1, ofs); - if (ctype_isfield(fct->info)) { - return 1; - } else if (ctype_isbitfield(fct->info)) { - setintV(L->top++, ctype_bitpos(fct->info)); - setintV(L->top++, ctype_bitbsz(fct->info)); - return 3; - } - } - } - return 0; -} - -LJLIB_CF(ffi_errno) LJLIB_REC(.) -{ - int err = errno; - if (L->top > L->base) - errno = ffi_checkint(L, 1); - setintV(L->top++, err); - return 1; -} - -LJLIB_CF(ffi_string) LJLIB_REC(.) -{ - CTState *cts = ctype_cts(L); - TValue *o = lj_lib_checkany(L, 1); - const char *p; - size_t len; - if (o+1 < L->top) { - len = (size_t)ffi_checkint(L, 2); - lj_cconv_ct_tv(cts, ctype_get(cts, CTID_P_CVOID), (uint8_t *)&p, o, - CCF_ARG(1)); - } else { - lj_cconv_ct_tv(cts, ctype_get(cts, CTID_P_CCHAR), (uint8_t *)&p, o, - CCF_ARG(1)); - len = strlen(p); - } - L->top = o+1; /* Make sure this is the last item on the stack. */ - setstrV(L, o, lj_str_new(L, p, len)); - lj_gc_check(L); - return 1; -} - -LJLIB_CF(ffi_copy) LJLIB_REC(.) -{ - void *dp = ffi_checkptr(L, 1, CTID_P_VOID); - void *sp = ffi_checkptr(L, 2, CTID_P_CVOID); - TValue *o = L->base+1; - CTSize len; - if (tvisstr(o) && o+1 >= L->top) - len = strV(o)->len+1; /* Copy Lua string including trailing '\0'. */ - else - len = (CTSize)ffi_checkint(L, 3); - memcpy(dp, sp, len); - return 0; -} - -LJLIB_CF(ffi_fill) LJLIB_REC(.) -{ - void *dp = ffi_checkptr(L, 1, CTID_P_VOID); - CTSize len = (CTSize)ffi_checkint(L, 2); - int32_t fill = 0; - if (L->base+2 < L->top && !tvisnil(L->base+2)) fill = ffi_checkint(L, 3); - memset(dp, fill, len); - return 0; -} - -#define H_(le, be) LJ_ENDIAN_SELECT(0x##le, 0x##be) - -/* Test ABI string. */ -LJLIB_CF(ffi_abi) LJLIB_REC(.) -{ - GCstr *s = lj_lib_checkstr(L, 1); - int b = 0; - switch (s->hash) { -#if LJ_64 - case H_(849858eb,ad35fd06): b = 1; break; /* 64bit */ -#else - case H_(662d3c79,d0e22477): b = 1; break; /* 32bit */ -#endif -#if LJ_ARCH_HASFPU - case H_(e33ee463,e33ee463): b = 1; break; /* fpu */ -#endif -#if LJ_ABI_SOFTFP - case H_(61211a23,c2e8c81c): b = 1; break; /* softfp */ -#else - case H_(539417a8,8ce0812f): b = 1; break; /* hardfp */ -#endif -#if LJ_ABI_EABI - case H_(2182df8f,f2ed1152): b = 1; break; /* eabi */ -#endif -#if LJ_ABI_WIN - case H_(4ab624a8,4ab624a8): b = 1; break; /* win */ -#endif - case H_(3af93066,1f001464): b = 1; break; /* le/be */ - default: - break; - } - setboolV(L->top-1, b); - setboolV(&G(L)->tmptv2, b); /* Remember for trace recorder. */ - return 1; -} - -#undef H_ - -LJLIB_PUSH(top-8) LJLIB_SET(!) /* Store reference to miscmap table. */ - -LJLIB_CF(ffi_metatype) -{ - CTState *cts = ctype_cts(L); - CTypeID id = ffi_checkctype(L, cts); - GCtab *mt = lj_lib_checktab(L, 2); - GCtab *t = cts->miscmap; - CType *ct = ctype_get(cts, id); /* Only allow raw types. */ - TValue *tv; - GCcdata *cd; - if (!(ctype_isstruct(ct->info) || ctype_iscomplex(ct->info) || - ctype_isvector(ct->info))) - lj_err_arg(L, 1, LJ_ERR_FFI_INVTYPE); - tv = lj_tab_setinth(L, t, -(int32_t)id); - if (!tvisnil(tv)) - lj_err_caller(L, LJ_ERR_PROTMT); - settabV(L, tv, mt); - lj_gc_anybarriert(L, t); - cd = lj_cdata_new(cts, CTID_CTYPEID, 4); - *(CTypeID *)cdataptr(cd) = id; - setcdataV(L, L->top-1, cd); - lj_gc_check(L); - return 1; -} - -LJLIB_PUSH(top-7) LJLIB_SET(!) /* Store reference to finalizer table. */ - -LJLIB_CF(ffi_gc) -{ - GCcdata *cd = ffi_checkcdata(L, 1); - TValue *fin = lj_lib_checkany(L, 2); - CTState *cts = ctype_cts(L); - GCtab *t = cts->finalizer; - CType *ct = ctype_raw(cts, cd->typeid); - if (!(ctype_isptr(ct->info) || ctype_isstruct(ct->info) || - ctype_isrefarray(ct->info))) - lj_err_arg(L, 1, LJ_ERR_FFI_INVTYPE); - if (gcref(t->metatable)) { /* Update finalizer table, if still enabled. */ - copyTV(L, lj_tab_set(L, t, L->base), fin); - lj_gc_anybarriert(L, t); - if (!tvisnil(fin)) - cd->marked |= LJ_GC_CDATA_FIN; - else - cd->marked &= ~LJ_GC_CDATA_FIN; - } - L->top = L->base+1; /* Pass through the cdata object. */ - return 1; -} - -LJLIB_PUSH(top-5) LJLIB_SET(!) /* Store clib metatable in func environment. */ - -LJLIB_CF(ffi_load) -{ - GCstr *name = lj_lib_checkstr(L, 1); - int global = (L->base+1 < L->top && tvistruecond(L->base+1)); - lj_clib_load(L, tabref(curr_func(L)->c.env), name, global); - return 1; -} - -LJLIB_PUSH(top-4) LJLIB_SET(C) -LJLIB_PUSH(top-3) LJLIB_SET(os) -LJLIB_PUSH(top-2) LJLIB_SET(arch) - -#include "lj_libdef.h" - -/* ------------------------------------------------------------------------ */ - -/* Create special weak-keyed finalizer table. */ -static GCtab *ffi_finalizer(lua_State *L) -{ - /* NOBARRIER: The table is new (marked white). */ - GCtab *t = lj_tab_new(L, 0, 1); - settabV(L, L->top++, t); - setgcref(t->metatable, obj2gco(t)); - setstrV(L, lj_tab_setstr(L, t, lj_str_newlit(L, "__mode")), - lj_str_newlit(L, "K")); - t->nomm = (uint8_t)(~(1u<top-1); - lj_gc_anybarriert(L, t); - } -} - -LUALIB_API int luaopen_ffi(lua_State *L) -{ - CTState *cts = lj_ctype_init(L); - settabV(L, L->top++, (cts->miscmap = lj_tab_new(L, 0, 1))); - cts->finalizer = ffi_finalizer(L); - LJ_LIB_REG(L, NULL, ffi_meta); - /* NOBARRIER: basemt is a GC root. */ - setgcref(basemt_it(G(L), LJ_TCDATA), obj2gco(tabV(L->top-1))); - LJ_LIB_REG(L, NULL, ffi_clib); - LJ_LIB_REG(L, NULL, ffi_callback); - /* NOBARRIER: the key is new and lj_tab_newkey() handles the barrier. */ - settabV(L, lj_tab_setstr(L, cts->miscmap, &cts->g->strempty), tabV(L->top-1)); - L->top--; - lj_clib_default(L, tabV(L->top-1)); /* Create ffi.C default namespace. */ - lua_pushliteral(L, LJ_OS_NAME); - lua_pushliteral(L, LJ_ARCH_NAME); - LJ_LIB_REG(L, NULL, ffi); /* Note: no global "ffi" created! */ - ffi_register_module(L); - return 1; -} - -#endif diff --git a/libraries/luajit-2.0/src/lib_init.c b/libraries/luajit-2.0/src/lib_init.c deleted file mode 100644 index 8501e21..0000000 --- a/libraries/luajit-2.0/src/lib_init.c +++ /dev/null @@ -1,53 +0,0 @@ -/* -** Library initialization. -** Major parts taken verbatim from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#define lib_init_c -#define LUA_LIB - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" - -#include "lj_arch.h" - -static const luaL_Reg lj_lib_load[] = { - { "", luaopen_base }, - { LUA_LOADLIBNAME, luaopen_package }, - { LUA_TABLIBNAME, luaopen_table }, - { LUA_IOLIBNAME, luaopen_io }, - { LUA_OSLIBNAME, luaopen_os }, - { LUA_STRLIBNAME, luaopen_string }, - { LUA_MATHLIBNAME, luaopen_math }, - { LUA_DBLIBNAME, luaopen_debug }, - { LUA_BITLIBNAME, luaopen_bit }, - { LUA_JITLIBNAME, luaopen_jit }, - { NULL, NULL } -}; - -static const luaL_Reg lj_lib_preload[] = { -#if LJ_HASFFI - { LUA_FFILIBNAME, luaopen_ffi }, -#endif - { NULL, NULL } -}; - -LUALIB_API void luaL_openlibs(lua_State *L) -{ - const luaL_Reg *lib; - for (lib = lj_lib_load; lib->func; lib++) { - lua_pushcfunction(L, lib->func); - lua_pushstring(L, lib->name); - lua_call(L, 1, 0); - } - luaL_findtable(L, LUA_REGISTRYINDEX, "_PRELOAD", - sizeof(lj_lib_preload)/sizeof(lj_lib_preload[0])-1); - for (lib = lj_lib_preload; lib->func; lib++) { - lua_pushcfunction(L, lib->func); - lua_setfield(L, -2, lib->name); - } - lua_pop(L, 1); -} - diff --git a/libraries/luajit-2.0/src/lib_io.c b/libraries/luajit-2.0/src/lib_io.c deleted file mode 100644 index 7a59cc4..0000000 --- a/libraries/luajit-2.0/src/lib_io.c +++ /dev/null @@ -1,533 +0,0 @@ -/* -** I/O library. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2011 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#include -#include - -#define lib_io_c -#define LUA_LIB - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_ff.h" -#include "lj_trace.h" -#include "lj_lib.h" - -/* Userdata payload for I/O file. */ -typedef struct IOFileUD { - FILE *fp; /* File handle. */ - uint32_t type; /* File type. */ -} IOFileUD; - -#define IOFILE_TYPE_FILE 0 /* Regular file. */ -#define IOFILE_TYPE_PIPE 1 /* Pipe. */ -#define IOFILE_TYPE_STDF 2 /* Standard file handle. */ -#define IOFILE_TYPE_MASK 3 - -#define IOFILE_FLAG_CLOSE 4 /* Close after io.lines() iterator. */ - -#define IOSTDF_UD(L, id) (&gcref(G(L)->gcroot[(id)])->ud) -#define IOSTDF_IOF(L, id) ((IOFileUD *)uddata(IOSTDF_UD(L, (id)))) - -/* -- Error handling ------------------------------------------------------ */ - -static int io_pushresult(lua_State *L, int ok, const char *fname) -{ - if (ok) { - setboolV(L->top++, 1); - return 1; - } else { - int en = errno; /* Lua API calls may change this value. */ - setnilV(L->top++); - if (fname) - lua_pushfstring(L, "%s: %s", fname, strerror(en)); - else - lua_pushfstring(L, "%s", strerror(en)); - setintV(L->top++, en); - lj_trace_abort(G(L)); - return 3; - } -} - -/* -- Open/close helpers -------------------------------------------------- */ - -static IOFileUD *io_tofilep(lua_State *L) -{ - if (!(L->base < L->top && tvisudata(L->base) && - udataV(L->base)->udtype == UDTYPE_IO_FILE)) - lj_err_argtype(L, 1, "FILE*"); - return (IOFileUD *)uddata(udataV(L->base)); -} - -static IOFileUD *io_tofile(lua_State *L) -{ - IOFileUD *iof = io_tofilep(L); - if (iof->fp == NULL) - lj_err_caller(L, LJ_ERR_IOCLFL); - return iof; -} - -static FILE *io_stdfile(lua_State *L, ptrdiff_t id) -{ - IOFileUD *iof = IOSTDF_IOF(L, id); - if (iof->fp == NULL) - lj_err_caller(L, LJ_ERR_IOSTDCL); - return iof->fp; -} - -static IOFileUD *io_file_new(lua_State *L) -{ - IOFileUD *iof = (IOFileUD *)lua_newuserdata(L, sizeof(IOFileUD)); - GCudata *ud = udataV(L->top-1); - ud->udtype = UDTYPE_IO_FILE; - /* NOBARRIER: The GCudata is new (marked white). */ - setgcrefr(ud->metatable, curr_func(L)->c.env); - iof->fp = NULL; - iof->type = IOFILE_TYPE_FILE; - return iof; -} - -static IOFileUD *io_file_open(lua_State *L, const char *mode) -{ - const char *fname = strdata(lj_lib_checkstr(L, 1)); - IOFileUD *iof = io_file_new(L); - iof->fp = fopen(fname, mode); - if (iof->fp == NULL) - luaL_argerror(L, 1, lj_str_pushf(L, "%s: %s", fname, strerror(errno))); - return iof; -} - -static int io_file_close(lua_State *L, IOFileUD *iof) -{ - int ok; - if ((iof->type & IOFILE_TYPE_MASK) == IOFILE_TYPE_FILE) { - ok = (fclose(iof->fp) == 0); - } else if ((iof->type & IOFILE_TYPE_MASK) == IOFILE_TYPE_PIPE) { -#if LJ_TARGET_POSIX - ok = (pclose(iof->fp) != -1); -#elif LJ_TARGET_WINDOWS - ok = (_pclose(iof->fp) != -1); -#else - ok = 0; -#endif - } else { - lua_assert((iof->type & IOFILE_TYPE_MASK) == IOFILE_TYPE_STDF); - setnilV(L->top++); - lua_pushliteral(L, "cannot close standard file"); - return 2; - } - iof->fp = NULL; - return io_pushresult(L, ok, NULL); -} - -/* -- Read/write helpers -------------------------------------------------- */ - -static int io_file_readnum(lua_State *L, FILE *fp) -{ - lua_Number d; - if (fscanf(fp, LUA_NUMBER_SCAN, &d) == 1) { - if (LJ_DUALNUM) { - int32_t i = lj_num2int(d); - if (d == (lua_Number)i && !tvismzero((cTValue *)&d)) { - setintV(L->top++, i); - return 1; - } - } - setnumV(L->top++, d); - return 1; - } else { - setnilV(L->top++); - return 0; - } -} - -static int io_file_testeof(lua_State *L, FILE *fp) -{ - int c = getc(fp); - ungetc(c, fp); - lua_pushlstring(L, NULL, 0); - return (c != EOF); -} - -static int io_file_readline(lua_State *L, FILE *fp, size_t chop) -{ - luaL_Buffer b; - luaL_buffinit(L, &b); - for (;;) { - size_t len; - char *p = luaL_prepbuffer(&b); - if (fgets(p, LUAL_BUFFERSIZE, fp) == NULL) { /* EOF? */ - luaL_pushresult(&b); - return (strV(L->top-1)->len > 0); /* Anything read? */ - } - len = strlen(p); - if (len == 0 || p[len-1] != '\n') { /* Partial line? */ - luaL_addsize(&b, len); - } else { - luaL_addsize(&b, len - chop); /* Keep or remove EOL. */ - luaL_pushresult(&b); - return 1; /* Got at least an EOL. */ - } - } -} - -static int io_file_readchars(lua_State *L, FILE *fp, size_t n) -{ - size_t rlen; /* how much to read */ - size_t nr; /* number of chars actually read */ - luaL_Buffer b; - luaL_buffinit(L, &b); - rlen = LUAL_BUFFERSIZE; /* try to read that much each time */ - do { - char *p = luaL_prepbuffer(&b); - if (rlen > n) rlen = n; /* cannot read more than asked */ - nr = fread(p, 1, rlen, fp); - luaL_addsize(&b, nr); - n -= nr; /* still have to read `n' chars */ - } while (n > 0 && nr == rlen); /* until end of count or eof */ - luaL_pushresult(&b); /* close buffer */ - return (n == 0 || strV(L->top-1)->len > 0); -} - -static int io_file_read(lua_State *L, FILE *fp, int start) -{ - int ok, n, nargs = (int)(L->top - L->base) - start; - clearerr(fp); - if (nargs == 0) { - ok = io_file_readline(L, fp, 1); - n = start+1; /* Return 1 result. */ - } else { - /* The results plus the buffers go on top of the args. */ - luaL_checkstack(L, nargs+LUA_MINSTACK, "too many arguments"); - ok = 1; - for (n = start; nargs-- && ok; n++) { - if (tvisstr(L->base+n)) { - const char *p = strVdata(L->base+n); - if (p[0] != '*') - lj_err_arg(L, n+1, LJ_ERR_INVOPT); - if (p[1] == 'n') - ok = io_file_readnum(L, fp); - else if ((p[1] & ~0x20) == 'L') - ok = io_file_readline(L, fp, (p[1] == 'l')); - else if (p[1] == 'a') - io_file_readchars(L, fp, ~((size_t)0)); - else - lj_err_arg(L, n+1, LJ_ERR_INVFMT); - } else if (tvisnumber(L->base+n)) { - size_t len = (size_t)lj_lib_checkint(L, n+1); - ok = len ? io_file_readchars(L, fp, len) : io_file_testeof(L, fp); - } else { - lj_err_arg(L, n+1, LJ_ERR_INVOPT); - } - } - } - if (ferror(fp)) - return io_pushresult(L, 0, NULL); - if (!ok) - setnilV(L->top-1); /* Replace last result with nil. */ - return n - start; -} - -static int io_file_write(lua_State *L, FILE *fp, int start) -{ - cTValue *tv; - int status = 1; - for (tv = L->base+start; tv < L->top; tv++) { - if (tvisstr(tv)) { - MSize len = strV(tv)->len; - status = status && (fwrite(strVdata(tv), 1, len, fp) == len); - } else if (tvisint(tv)) { - char buf[LJ_STR_INTBUF]; - char *p = lj_str_bufint(buf, intV(tv)); - size_t len = (size_t)(buf+LJ_STR_INTBUF-p); - status = status && (fwrite(p, 1, len, fp) == len); - } else if (tvisnum(tv)) { - status = status && (fprintf(fp, LUA_NUMBER_FMT, numV(tv)) > 0); - } else { - lj_err_argt(L, (int)(tv - L->base) + 1, LUA_TSTRING); - } - } - return io_pushresult(L, status, NULL); -} - -/* -- I/O file methods ---------------------------------------------------- */ - -#define LJLIB_MODULE_io_method - -LJLIB_CF(io_method_close) -{ - IOFileUD *iof = L->base < L->top ? io_tofile(L) : - IOSTDF_IOF(L, GCROOT_IO_OUTPUT); - return io_file_close(L, iof); -} - -LJLIB_CF(io_method_read) -{ - return io_file_read(L, io_tofile(L)->fp, 1); -} - -LJLIB_CF(io_method_write) LJLIB_REC(io_write 0) -{ - return io_file_write(L, io_tofile(L)->fp, 1); -} - -LJLIB_CF(io_method_flush) LJLIB_REC(io_flush 0) -{ - return io_pushresult(L, fflush(io_tofile(L)->fp) == 0, NULL); -} - -LJLIB_CF(io_method_seek) -{ - FILE *fp = io_tofile(L)->fp; - int opt = lj_lib_checkopt(L, 2, 1, "\3set\3cur\3end"); - int64_t ofs = 0; - cTValue *o; - int res; - if (opt == 0) opt = SEEK_SET; - else if (opt == 1) opt = SEEK_CUR; - else if (opt == 2) opt = SEEK_END; - o = L->base+2; - if (o < L->top) { - if (tvisint(o)) - ofs = (int64_t)intV(o); - else if (tvisnum(o)) - ofs = (int64_t)numV(o); - else if (!tvisnil(o)) - lj_err_argt(L, 3, LUA_TNUMBER); - } -#if LJ_TARGET_POSIX - res = fseeko(fp, ofs, opt); -#elif _MSC_VER >= 1400 - res = _fseeki64(fp, ofs, opt); -#elif defined(__MINGW32__) - res = fseeko64(fp, ofs, opt); -#else - res = fseek(fp, (long)ofs, opt); -#endif - if (res) - return io_pushresult(L, 0, NULL); -#if LJ_TARGET_POSIX - ofs = ftello(fp); -#elif _MSC_VER >= 1400 - ofs = _ftelli64(fp); -#elif defined(__MINGW32__) - ofs = ftello64(fp); -#else - ofs = (int64_t)ftell(fp); -#endif - setint64V(L->top-1, ofs); - return 1; -} - -LJLIB_CF(io_method_setvbuf) -{ - FILE *fp = io_tofile(L)->fp; - int opt = lj_lib_checkopt(L, 2, -1, "\4full\4line\2no"); - size_t sz = (size_t)lj_lib_optint(L, 3, LUAL_BUFFERSIZE); - if (opt == 0) opt = _IOFBF; - else if (opt == 1) opt = _IOLBF; - else if (opt == 2) opt = _IONBF; - return io_pushresult(L, setvbuf(fp, NULL, opt, sz) == 0, NULL); -} - -LJLIB_PUSH(top-2) /* io_lines_iter */ -LJLIB_CF(io_method_lines) -{ - io_tofile(L); - setfuncV(L, L->top, funcV(lj_lib_upvalue(L, 1))); - setudataV(L, L->top+1, udataV(L->base)); - L->top += 2; - return 2; -} - -LJLIB_CF(io_method___gc) -{ - IOFileUD *iof = io_tofilep(L); - if (iof->fp != NULL && (iof->type & IOFILE_TYPE_MASK) != IOFILE_TYPE_STDF) - io_file_close(L, iof); - return 0; -} - -LJLIB_CF(io_method___tostring) -{ - IOFileUD *iof = io_tofilep(L); - if (iof->fp != NULL) - lua_pushfstring(L, "file (%p)", iof->fp); - else - lua_pushliteral(L, "file (closed)"); - return 1; -} - -LJLIB_PUSH(top-1) LJLIB_SET(__index) - -#include "lj_libdef.h" - -/* -- I/O library functions ----------------------------------------------- */ - -#define LJLIB_MODULE_io - -LJLIB_PUSH(top-2) LJLIB_SET(!) /* Set environment. */ - -LJLIB_CF(io_open) -{ - const char *fname = strdata(lj_lib_checkstr(L, 1)); - GCstr *s = lj_lib_optstr(L, 2); - const char *mode = s ? strdata(s) : "r"; - IOFileUD *iof = io_file_new(L); - iof->fp = fopen(fname, mode); - return iof->fp != NULL ? 1 : io_pushresult(L, 0, fname); -} - -LJLIB_CF(io_popen) -{ -#if LJ_TARGET_POSIX || LJ_TARGET_WINDOWS - const char *fname = strdata(lj_lib_checkstr(L, 1)); - GCstr *s = lj_lib_optstr(L, 2); - const char *mode = s ? strdata(s) : "r"; - IOFileUD *iof = io_file_new(L); - iof->type = IOFILE_TYPE_PIPE; -#if LJ_TARGET_POSIX - fflush(NULL); - iof->fp = popen(fname, mode); -#else - iof->fp = _popen(fname, mode); -#endif - return iof->fp != NULL ? 1 : io_pushresult(L, 0, fname); -#else - luaL_error(L, LUA_QL("popen") " not supported"); -#endif -} - -LJLIB_CF(io_tmpfile) -{ - IOFileUD *iof = io_file_new(L); - iof->fp = tmpfile(); - return iof->fp != NULL ? 1 : io_pushresult(L, 0, NULL); -} - -LJLIB_CF(io_close) -{ - return lj_cf_io_method_close(L); -} - -LJLIB_CF(io_read) -{ - return io_file_read(L, io_stdfile(L, GCROOT_IO_INPUT), 0); -} - -LJLIB_CF(io_write) LJLIB_REC(io_write GCROOT_IO_OUTPUT) -{ - return io_file_write(L, io_stdfile(L, GCROOT_IO_OUTPUT), 0); -} - -LJLIB_CF(io_flush) LJLIB_REC(io_flush GCROOT_IO_OUTPUT) -{ - return io_pushresult(L, fflush(io_stdfile(L, GCROOT_IO_OUTPUT)) == 0, NULL); -} - -static int io_std_getset(lua_State *L, ptrdiff_t id, const char *mode) -{ - if (L->base < L->top && !tvisnil(L->base)) { - if (tvisudata(L->base)) { - io_tofile(L); - L->top = L->base+1; - } else { - io_file_open(L, mode); - } - /* NOBARRIER: The standard I/O handles are GC roots. */ - setgcref(G(L)->gcroot[id], gcV(L->top-1)); - } else { - setudataV(L, L->top++, IOSTDF_UD(L, id)); - } - return 1; -} - -LJLIB_CF(io_input) -{ - return io_std_getset(L, GCROOT_IO_INPUT, "r"); -} - -LJLIB_CF(io_output) -{ - return io_std_getset(L, GCROOT_IO_OUTPUT, "w"); -} - -LJLIB_NOREG LJLIB_CF(io_lines_iter) -{ - IOFileUD *iof = io_tofile(L); - int ok = io_file_readline(L, iof->fp, 1); - if (ferror(iof->fp)) - lj_err_callermsg(L, strerror(errno)); - if (!ok && (iof->type & IOFILE_FLAG_CLOSE)) - io_file_close(L, iof); /* Return values are ignored (ok is 0). */ - return ok; -} - -LJLIB_PUSH(top-3) /* io_lines_iter */ -LJLIB_CF(io_lines) -{ - if (L->base < L->top && !tvisnil(L->base)) { /* io.lines(fname) */ - IOFileUD *iof = io_file_open(L, "r"); - iof->type = IOFILE_TYPE_FILE|IOFILE_FLAG_CLOSE; - setfuncV(L, L->top-2, funcV(lj_lib_upvalue(L, 1))); - } else { /* io.lines() iterates over stdin. */ - setfuncV(L, L->top, funcV(lj_lib_upvalue(L, 1))); - setudataV(L, L->top+1, IOSTDF_UD(L, GCROOT_IO_INPUT)); - L->top += 2; - } - return 2; -} - -LJLIB_CF(io_type) -{ - cTValue *o = lj_lib_checkany(L, 1); - if (!(tvisudata(o) && udataV(o)->udtype == UDTYPE_IO_FILE)) - setnilV(L->top++); - else if (((IOFileUD *)uddata(udataV(o)))->fp != NULL) - lua_pushliteral(L, "file"); - else - lua_pushliteral(L, "closed file"); - return 1; -} - -#include "lj_libdef.h" - -/* ------------------------------------------------------------------------ */ - -static GCobj *io_std_new(lua_State *L, FILE *fp, const char *name) -{ - IOFileUD *iof = (IOFileUD *)lua_newuserdata(L, sizeof(IOFileUD)); - GCudata *ud = udataV(L->top-1); - ud->udtype = UDTYPE_IO_FILE; - /* NOBARRIER: The GCudata is new (marked white). */ - setgcref(ud->metatable, gcV(L->top-3)); - iof->fp = fp; - iof->type = IOFILE_TYPE_STDF; - lua_setfield(L, -2, name); - return obj2gco(ud); -} - -LUALIB_API int luaopen_io(lua_State *L) -{ - lj_lib_pushcf(L, lj_cf_io_lines_iter, FF_io_lines_iter); - LJ_LIB_REG(L, NULL, io_method); - copyTV(L, L->top, L->top-1); L->top++; - lua_setfield(L, LUA_REGISTRYINDEX, LUA_FILEHANDLE); - LJ_LIB_REG(L, LUA_IOLIBNAME, io); - setgcref(G(L)->gcroot[GCROOT_IO_INPUT], io_std_new(L, stdin, "stdin")); - setgcref(G(L)->gcroot[GCROOT_IO_OUTPUT], io_std_new(L, stdout, "stdout")); - io_std_new(L, stderr, "stderr"); - return 1; -} - diff --git a/libraries/luajit-2.0/src/lib_jit.c b/libraries/luajit-2.0/src/lib_jit.c deleted file mode 100644 index 8cb511c..0000000 --- a/libraries/luajit-2.0/src/lib_jit.c +++ /dev/null @@ -1,659 +0,0 @@ -/* -** JIT library. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lib_jit_c -#define LUA_LIB - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" - -#include "lj_arch.h" -#include "lj_obj.h" -#include "lj_err.h" -#include "lj_debug.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_bc.h" -#if LJ_HASJIT -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_ircall.h" -#include "lj_iropt.h" -#include "lj_target.h" -#endif -#include "lj_dispatch.h" -#include "lj_vm.h" -#include "lj_vmevent.h" -#include "lj_lib.h" - -#include "luajit.h" - -/* -- jit.* functions ----------------------------------------------------- */ - -#define LJLIB_MODULE_jit - -static int setjitmode(lua_State *L, int mode) -{ - int idx = 0; - if (L->base == L->top || tvisnil(L->base)) { /* jit.on/off/flush([nil]) */ - mode |= LUAJIT_MODE_ENGINE; - } else { - /* jit.on/off/flush(func|proto, nil|true|false) */ - if (tvisfunc(L->base) || tvisproto(L->base)) - idx = 1; - else if (!tvistrue(L->base)) /* jit.on/off/flush(true, nil|true|false) */ - goto err; - if (L->base+1 < L->top && tvisbool(L->base+1)) - mode |= boolV(L->base+1) ? LUAJIT_MODE_ALLFUNC : LUAJIT_MODE_ALLSUBFUNC; - else - mode |= LUAJIT_MODE_FUNC; - } - if (luaJIT_setmode(L, idx, mode) != 1) { - if ((mode & LUAJIT_MODE_MASK) == LUAJIT_MODE_ENGINE) - lj_err_caller(L, LJ_ERR_NOJIT); - err: - lj_err_argt(L, 1, LUA_TFUNCTION); - } - return 0; -} - -LJLIB_CF(jit_on) -{ - return setjitmode(L, LUAJIT_MODE_ON); -} - -LJLIB_CF(jit_off) -{ - return setjitmode(L, LUAJIT_MODE_OFF); -} - -LJLIB_CF(jit_flush) -{ -#if LJ_HASJIT - if (L->base < L->top && !tvisnil(L->base)) { - int traceno = lj_lib_checkint(L, 1); - luaJIT_setmode(L, traceno, LUAJIT_MODE_FLUSH|LUAJIT_MODE_TRACE); - return 0; - } -#endif - return setjitmode(L, LUAJIT_MODE_FLUSH); -} - -#if LJ_HASJIT -/* Push a string for every flag bit that is set. */ -static void flagbits_to_strings(lua_State *L, uint32_t flags, uint32_t base, - const char *str) -{ - for (; *str; base <<= 1, str += 1+*str) - if (flags & base) - setstrV(L, L->top++, lj_str_new(L, str+1, *(uint8_t *)str)); -} -#endif - -LJLIB_CF(jit_status) -{ -#if LJ_HASJIT - jit_State *J = L2J(L); - L->top = L->base; - setboolV(L->top++, (J->flags & JIT_F_ON) ? 1 : 0); - flagbits_to_strings(L, J->flags, JIT_F_CPU_FIRST, JIT_F_CPUSTRING); - flagbits_to_strings(L, J->flags, JIT_F_OPT_FIRST, JIT_F_OPTSTRING); - return (int)(L->top - L->base); -#else - setboolV(L->top++, 0); - return 1; -#endif -} - -LJLIB_CF(jit_attach) -{ -#ifdef LUAJIT_DISABLE_VMEVENT - luaL_error(L, "vmevent API disabled"); -#else - GCfunc *fn = lj_lib_checkfunc(L, 1); - GCstr *s = lj_lib_optstr(L, 2); - luaL_findtable(L, LUA_REGISTRYINDEX, LJ_VMEVENTS_REGKEY, LJ_VMEVENTS_HSIZE); - if (s) { /* Attach to given event. */ - const uint8_t *p = (const uint8_t *)strdata(s); - uint32_t h = s->len; - while (*p) h = h ^ (lj_rol(h, 6) + *p++); - lua_pushvalue(L, 1); - lua_rawseti(L, -2, VMEVENT_HASHIDX(h)); - G(L)->vmevmask = VMEVENT_NOCACHE; /* Invalidate cache. */ - } else { /* Detach if no event given. */ - setnilV(L->top++); - while (lua_next(L, -2)) { - L->top--; - if (tvisfunc(L->top) && funcV(L->top) == fn) { - setnilV(lj_tab_set(L, tabV(L->top-2), L->top-1)); - } - } - } -#endif - return 0; -} - -LJLIB_PUSH(top-5) LJLIB_SET(os) -LJLIB_PUSH(top-4) LJLIB_SET(arch) -LJLIB_PUSH(top-3) LJLIB_SET(version_num) -LJLIB_PUSH(top-2) LJLIB_SET(version) - -#include "lj_libdef.h" - -/* -- jit.util.* functions ------------------------------------------------ */ - -#define LJLIB_MODULE_jit_util - -/* -- Reflection API for Lua functions ------------------------------------ */ - -/* Return prototype of first argument (Lua function or prototype object) */ -static GCproto *check_Lproto(lua_State *L, int nolua) -{ - TValue *o = L->base; - if (L->top > o) { - if (tvisproto(o)) { - return protoV(o); - } else if (tvisfunc(o)) { - if (isluafunc(funcV(o))) - return funcproto(funcV(o)); - else if (nolua) - return NULL; - } - } - lj_err_argt(L, 1, LUA_TFUNCTION); - return NULL; /* unreachable */ -} - -static void setintfield(lua_State *L, GCtab *t, const char *name, int32_t val) -{ - setintV(lj_tab_setstr(L, t, lj_str_newz(L, name)), val); -} - -/* local info = jit.util.funcinfo(func [,pc]) */ -LJLIB_CF(jit_util_funcinfo) -{ - GCproto *pt = check_Lproto(L, 1); - if (pt) { - BCPos pc = (BCPos)lj_lib_optint(L, 2, 0); - GCtab *t; - lua_createtable(L, 0, 16); /* Increment hash size if fields are added. */ - t = tabV(L->top-1); - setintfield(L, t, "linedefined", pt->firstline); - setintfield(L, t, "lastlinedefined", pt->firstline + pt->numline); - setintfield(L, t, "stackslots", pt->framesize); - setintfield(L, t, "params", pt->numparams); - setintfield(L, t, "bytecodes", (int32_t)pt->sizebc); - setintfield(L, t, "gcconsts", (int32_t)pt->sizekgc); - setintfield(L, t, "nconsts", (int32_t)pt->sizekn); - setintfield(L, t, "upvalues", (int32_t)pt->sizeuv); - if (pc < pt->sizebc) - setintfield(L, t, "currentline", lj_debug_line(pt, pc)); - lua_pushboolean(L, (pt->flags & PROTO_VARARG)); - lua_setfield(L, -2, "isvararg"); - lua_pushboolean(L, (pt->flags & PROTO_CHILD)); - lua_setfield(L, -2, "children"); - setstrV(L, L->top++, proto_chunkname(pt)); - lua_setfield(L, -2, "source"); - lj_debug_pushloc(L, pt, pc); - lua_setfield(L, -2, "loc"); - } else { - GCfunc *fn = funcV(L->base); - GCtab *t; - lua_createtable(L, 0, 4); /* Increment hash size if fields are added. */ - t = tabV(L->top-1); - if (!iscfunc(fn)) - setintfield(L, t, "ffid", fn->c.ffid); - setintptrV(lj_tab_setstr(L, t, lj_str_newlit(L, "addr")), - (intptr_t)(void *)fn->c.f); - setintfield(L, t, "upvalues", fn->c.nupvalues); - } - return 1; -} - -/* local ins, m = jit.util.funcbc(func, pc) */ -LJLIB_CF(jit_util_funcbc) -{ - GCproto *pt = check_Lproto(L, 0); - BCPos pc = (BCPos)lj_lib_checkint(L, 2); - if (pc < pt->sizebc) { - BCIns ins = proto_bc(pt)[pc]; - BCOp op = bc_op(ins); - lua_assert(op < BC__MAX); - setintV(L->top, ins); - setintV(L->top+1, lj_bc_mode[op]); - L->top += 2; - return 2; - } - return 0; -} - -/* local k = jit.util.funck(func, idx) */ -LJLIB_CF(jit_util_funck) -{ - GCproto *pt = check_Lproto(L, 0); - ptrdiff_t idx = (ptrdiff_t)lj_lib_checkint(L, 2); - if (idx >= 0) { - if (idx < (ptrdiff_t)pt->sizekn) { - copyTV(L, L->top-1, proto_knumtv(pt, idx)); - return 1; - } - } else { - if (~idx < (ptrdiff_t)pt->sizekgc) { - GCobj *gc = proto_kgc(pt, idx); - setgcV(L, L->top-1, gc, ~gc->gch.gct); - return 1; - } - } - return 0; -} - -/* local name = jit.util.funcuvname(func, idx) */ -LJLIB_CF(jit_util_funcuvname) -{ - GCproto *pt = check_Lproto(L, 0); - uint32_t idx = (uint32_t)lj_lib_checkint(L, 2); - if (idx < pt->sizeuv) { - setstrV(L, L->top-1, lj_str_newz(L, lj_debug_uvname(pt, idx))); - return 1; - } - return 0; -} - -/* -- Reflection API for traces ------------------------------------------- */ - -#if LJ_HASJIT - -/* Check trace argument. Must not throw for non-existent trace numbers. */ -static GCtrace *jit_checktrace(lua_State *L) -{ - TraceNo tr = (TraceNo)lj_lib_checkint(L, 1); - jit_State *J = L2J(L); - if (tr > 0 && tr < J->sizetrace) - return traceref(J, tr); - return NULL; -} - -/* Names of link types. ORDER LJ_TRLINK */ -static const char *const jit_trlinkname[] = { - "none", "root", "loop", "tail-recursion", "up-recursion", "down-recursion", - "interpreter", "return" -}; - -/* local info = jit.util.traceinfo(tr) */ -LJLIB_CF(jit_util_traceinfo) -{ - GCtrace *T = jit_checktrace(L); - if (T) { - GCtab *t; - lua_createtable(L, 0, 8); /* Increment hash size if fields are added. */ - t = tabV(L->top-1); - setintfield(L, t, "nins", (int32_t)T->nins - REF_BIAS - 1); - setintfield(L, t, "nk", REF_BIAS - (int32_t)T->nk); - setintfield(L, t, "link", T->link); - setintfield(L, t, "nexit", T->nsnap); - setstrV(L, L->top++, lj_str_newz(L, jit_trlinkname[T->linktype])); - lua_setfield(L, -2, "linktype"); - /* There are many more fields. Add them only when needed. */ - return 1; - } - return 0; -} - -/* local m, ot, op1, op2, prev = jit.util.traceir(tr, idx) */ -LJLIB_CF(jit_util_traceir) -{ - GCtrace *T = jit_checktrace(L); - IRRef ref = (IRRef)lj_lib_checkint(L, 2) + REF_BIAS; - if (T && ref >= REF_BIAS && ref < T->nins) { - IRIns *ir = &T->ir[ref]; - int32_t m = lj_ir_mode[ir->o]; - setintV(L->top-2, m); - setintV(L->top-1, ir->ot); - setintV(L->top++, (int32_t)ir->op1 - (irm_op1(m)==IRMref ? REF_BIAS : 0)); - setintV(L->top++, (int32_t)ir->op2 - (irm_op2(m)==IRMref ? REF_BIAS : 0)); - setintV(L->top++, ir->prev); - return 5; - } - return 0; -} - -/* local k, t [, slot] = jit.util.tracek(tr, idx) */ -LJLIB_CF(jit_util_tracek) -{ - GCtrace *T = jit_checktrace(L); - IRRef ref = (IRRef)lj_lib_checkint(L, 2) + REF_BIAS; - if (T && ref >= T->nk && ref < REF_BIAS) { - IRIns *ir = &T->ir[ref]; - int32_t slot = -1; - if (ir->o == IR_KSLOT) { - slot = ir->op2; - ir = &T->ir[ir->op1]; - } - lj_ir_kvalue(L, L->top-2, ir); - setintV(L->top-1, (int32_t)irt_type(ir->t)); - if (slot == -1) - return 2; - setintV(L->top++, slot); - return 3; - } - return 0; -} - -/* local snap = jit.util.tracesnap(tr, sn) */ -LJLIB_CF(jit_util_tracesnap) -{ - GCtrace *T = jit_checktrace(L); - SnapNo sn = (SnapNo)lj_lib_checkint(L, 2); - if (T && sn < T->nsnap) { - SnapShot *snap = &T->snap[sn]; - SnapEntry *map = &T->snapmap[snap->mapofs]; - MSize n, nent = snap->nent; - GCtab *t; - lua_createtable(L, nent+2, 0); - t = tabV(L->top-1); - setintV(lj_tab_setint(L, t, 0), (int32_t)snap->ref - REF_BIAS); - setintV(lj_tab_setint(L, t, 1), (int32_t)snap->nslots); - for (n = 0; n < nent; n++) - setintV(lj_tab_setint(L, t, (int32_t)(n+2)), (int32_t)map[n]); - setintV(lj_tab_setint(L, t, (int32_t)(nent+2)), (int32_t)SNAP(255, 0, 0)); - return 1; - } - return 0; -} - -/* local mcode, addr, loop = jit.util.tracemc(tr) */ -LJLIB_CF(jit_util_tracemc) -{ - GCtrace *T = jit_checktrace(L); - if (T && T->mcode != NULL) { - setstrV(L, L->top-1, lj_str_new(L, (const char *)T->mcode, T->szmcode)); - setintptrV(L->top++, (intptr_t)(void *)T->mcode); - setintV(L->top++, T->mcloop); - return 3; - } - return 0; -} - -/* local addr = jit.util.traceexitstub([tr,] exitno) */ -LJLIB_CF(jit_util_traceexitstub) -{ -#ifdef EXITSTUBS_PER_GROUP - ExitNo exitno = (ExitNo)lj_lib_checkint(L, 1); - jit_State *J = L2J(L); - if (exitno < EXITSTUBS_PER_GROUP*LJ_MAX_EXITSTUBGR) { - setintptrV(L->top-1, (intptr_t)(void *)exitstub_addr(J, exitno)); - return 1; - } -#else - if (L->top > L->base+1) { /* Don't throw for one-argument variant. */ - GCtrace *T = jit_checktrace(L); - ExitNo exitno = (ExitNo)lj_lib_checkint(L, 2); - ExitNo maxexit = T->root ? T->nsnap+1 : T->nsnap; - if (T && T->mcode != NULL && exitno < maxexit) { - setintptrV(L->top-1, (intptr_t)(void *)exitstub_trace_addr(T, exitno)); - return 1; - } - } -#endif - return 0; -} - -/* local addr = jit.util.ircalladdr(idx) */ -LJLIB_CF(jit_util_ircalladdr) -{ - uint32_t idx = (uint32_t)lj_lib_checkint(L, 1); - if (idx < IRCALL__MAX) { - setintptrV(L->top-1, (intptr_t)(void *)lj_ir_callinfo[idx].func); - return 1; - } - return 0; -} - -#else - -static int trace_nojit(lua_State *L) -{ - UNUSED(L); - return 0; -} -#define lj_cf_jit_util_traceinfo trace_nojit -#define lj_cf_jit_util_traceir trace_nojit -#define lj_cf_jit_util_tracek trace_nojit -#define lj_cf_jit_util_tracesnap trace_nojit -#define lj_cf_jit_util_tracemc trace_nojit -#define lj_cf_jit_util_traceexitstub trace_nojit -#define lj_cf_jit_util_ircalladdr trace_nojit - -#endif - -#include "lj_libdef.h" - -/* -- jit.opt module ------------------------------------------------------ */ - -#define LJLIB_MODULE_jit_opt - -#if LJ_HASJIT -/* Parse optimization level. */ -static int jitopt_level(jit_State *J, const char *str) -{ - if (str[0] >= '0' && str[0] <= '9' && str[1] == '\0') { - uint32_t flags; - if (str[0] == '0') flags = JIT_F_OPT_0; - else if (str[0] == '1') flags = JIT_F_OPT_1; - else if (str[0] == '2') flags = JIT_F_OPT_2; - else flags = JIT_F_OPT_3; - J->flags = (J->flags & ~JIT_F_OPT_MASK) | flags; - return 1; /* Ok. */ - } - return 0; /* No match. */ -} - -/* Parse optimization flag. */ -static int jitopt_flag(jit_State *J, const char *str) -{ - const char *lst = JIT_F_OPTSTRING; - uint32_t opt; - int set = 1; - if (str[0] == '+') { - str++; - } else if (str[0] == '-') { - str++; - set = 0; - } else if (str[0] == 'n' && str[1] == 'o') { - str += str[2] == '-' ? 3 : 2; - set = 0; - } - for (opt = JIT_F_OPT_FIRST; ; opt <<= 1) { - size_t len = *(const uint8_t *)lst; - if (len == 0) - break; - if (strncmp(str, lst+1, len) == 0 && str[len] == '\0') { - if (set) J->flags |= opt; else J->flags &= ~opt; - return 1; /* Ok. */ - } - lst += 1+len; - } - return 0; /* No match. */ -} - -/* Parse optimization parameter. */ -static int jitopt_param(jit_State *J, const char *str) -{ - const char *lst = JIT_P_STRING; - int i; - for (i = 0; i < JIT_P__MAX; i++) { - size_t len = *(const uint8_t *)lst; - lua_assert(len != 0); - if (strncmp(str, lst+1, len) == 0 && str[len] == '=') { - int32_t n = 0; - const char *p = &str[len+1]; - while (*p >= '0' && *p <= '9') - n = n*10 + (*p++ - '0'); - if (*p) return 0; /* Malformed number. */ - J->param[i] = n; - if (i == JIT_P_hotloop) - lj_dispatch_init_hotcount(J2G(J)); - return 1; /* Ok. */ - } - lst += 1+len; - } - return 0; /* No match. */ -} -#endif - -/* jit.opt.start(flags...) */ -LJLIB_CF(jit_opt_start) -{ -#if LJ_HASJIT - jit_State *J = L2J(L); - int nargs = (int)(L->top - L->base); - if (nargs == 0) { - J->flags = (J->flags & ~JIT_F_OPT_MASK) | JIT_F_OPT_DEFAULT; - } else { - int i; - for (i = 1; i <= nargs; i++) { - const char *str = strdata(lj_lib_checkstr(L, i)); - if (!jitopt_level(J, str) && - !jitopt_flag(J, str) && - !jitopt_param(J, str)) - lj_err_callerv(L, LJ_ERR_JITOPT, str); - } - } -#else - lj_err_caller(L, LJ_ERR_NOJIT); -#endif - return 0; -} - -#include "lj_libdef.h" - -/* -- JIT compiler initialization ----------------------------------------- */ - -#if LJ_HASJIT -/* Default values for JIT parameters. */ -static const int32_t jit_param_default[JIT_P__MAX+1] = { -#define JIT_PARAMINIT(len, name, value) (value), -JIT_PARAMDEF(JIT_PARAMINIT) -#undef JIT_PARAMINIT - 0 -}; -#endif - -#if LJ_TARGET_ARM && LJ_TARGET_LINUX -#include -#endif - -/* Arch-dependent CPU detection. */ -static uint32_t jit_cpudetect(lua_State *L) -{ - uint32_t flags = 0; -#if LJ_TARGET_X86ORX64 - uint32_t vendor[4]; - uint32_t features[4]; - if (lj_vm_cpuid(0, vendor) && lj_vm_cpuid(1, features)) { -#if !LJ_HASJIT -#define JIT_F_CMOV 1 -#define JIT_F_SSE2 2 -#endif - flags |= ((features[3] >> 15)&1) * JIT_F_CMOV; - flags |= ((features[3] >> 26)&1) * JIT_F_SSE2; -#if LJ_HASJIT - flags |= ((features[2] >> 0)&1) * JIT_F_SSE3; - flags |= ((features[2] >> 19)&1) * JIT_F_SSE4_1; - if (vendor[2] == 0x6c65746e) { /* Intel. */ - if ((features[0] & 0x0ff00f00) == 0x00000f00) /* P4. */ - flags |= JIT_F_P4; /* Currently unused. */ - else if ((features[0] & 0x0fff0ff0) == 0x000106c0) /* Atom. */ - flags |= JIT_F_LEA_AGU; - } else if (vendor[2] == 0x444d4163) { /* AMD. */ - uint32_t fam = (features[0] & 0x0ff00f00); - if (fam == 0x00000f00) /* K8. */ - flags |= JIT_F_SPLIT_XMM; - if (fam >= 0x00000f00) /* K8, K10. */ - flags |= JIT_F_PREFER_IMUL; - } -#endif - } - /* Check for required instruction set support on x86 (unnecessary on x64). */ -#if LJ_TARGET_X86 -#if !defined(LUAJIT_CPU_NOCMOV) - if (!(flags & JIT_F_CMOV)) - luaL_error(L, "Ancient CPU lacks CMOV support (recompile with -DLUAJIT_CPU_NOCMOV)"); -#endif -#if defined(LUAJIT_CPU_SSE2) - if (!(flags & JIT_F_SSE2)) - luaL_error(L, "CPU does not support SSE2 (recompile without -DLUAJIT_CPU_SSE2)"); -#endif -#endif -#elif LJ_TARGET_ARM -#if LJ_HASJIT - /* Compile-time ARM CPU detection. */ -#if __ARM_ARCH_7__ || __ARM_ARCH_7A__ || __ARM_ARCH_7R__ - flags |= JIT_F_ARMV6|JIT_F_ARMV6T2|JIT_F_ARMV7; -#elif __ARM_ARCH_6T2__ - flags |= JIT_F_ARMV6|JIT_F_ARMV6T2; -#elif __ARM_ARCH_6__ || __ARM_ARCH_6J__ || __ARM_ARCH_6Z__ || __ARM_ARCH_6ZK__ - flags |= JIT_F_ARMV6; -#endif - /* Runtime ARM CPU detection. */ -#if LJ_TARGET_LINUX - if (!(flags & JIT_F_ARMV7)) { - struct utsname ut; - uname(&ut); - if (strncmp(ut.machine, "armv", 4) == 0) { - if (ut.machine[4] >= '7') - flags |= JIT_F_ARMV6|JIT_F_ARMV6T2|JIT_F_ARMV7; - else if (ut.machine[4] == '6') - flags |= JIT_F_ARMV6; - } - } -#endif -#endif -#elif LJ_TARGET_PPC || LJ_TARGET_PPCSPE - /* Nothing to do. */ -#elif LJ_TARGET_MIPS - /* NYI */ -#else -#error "Missing CPU detection for this architecture" -#endif - UNUSED(L); - return flags; -} - -/* Initialize JIT compiler. */ -static void jit_init(lua_State *L) -{ - uint32_t flags = jit_cpudetect(L); -#if LJ_HASJIT - jit_State *J = L2J(L); -#if LJ_TARGET_X86 - /* Silently turn off the JIT compiler on CPUs without SSE2. */ - if ((flags & JIT_F_SSE2)) -#endif - J->flags = flags | JIT_F_ON | JIT_F_OPT_DEFAULT; - memcpy(J->param, jit_param_default, sizeof(J->param)); - lj_dispatch_update(G(L)); -#else - UNUSED(flags); -#endif -} - -LUALIB_API int luaopen_jit(lua_State *L) -{ - lua_pushliteral(L, LJ_OS_NAME); - lua_pushliteral(L, LJ_ARCH_NAME); - lua_pushinteger(L, LUAJIT_VERSION_NUM); - lua_pushliteral(L, LUAJIT_VERSION); - LJ_LIB_REG(L, LUA_JITLIBNAME, jit); -#ifndef LUAJIT_DISABLE_JITUTIL - LJ_LIB_REG(L, "jit.util", jit_util); -#endif - LJ_LIB_REG(L, "jit.opt", jit_opt); - L->top -= 2; - jit_init(L); - return 1; -} - diff --git a/libraries/luajit-2.0/src/lib_math.c b/libraries/luajit-2.0/src/lib_math.c deleted file mode 100644 index 599f948..0000000 --- a/libraries/luajit-2.0/src/lib_math.c +++ /dev/null @@ -1,218 +0,0 @@ -/* -** Math library. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include - -#define lib_math_c -#define LUA_LIB - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" - -#include "lj_obj.h" -#include "lj_lib.h" -#include "lj_vm.h" - -/* ------------------------------------------------------------------------ */ - -#define LJLIB_MODULE_math - -LJLIB_ASM(math_abs) LJLIB_REC(.) -{ - lj_lib_checknumber(L, 1); - return FFH_RETRY; -} -LJLIB_ASM_(math_floor) LJLIB_REC(math_round IRFPM_FLOOR) -LJLIB_ASM_(math_ceil) LJLIB_REC(math_round IRFPM_CEIL) - -LJLIB_ASM(math_sqrt) LJLIB_REC(math_unary IRFPM_SQRT) -{ - lj_lib_checknum(L, 1); - return FFH_RETRY; -} -LJLIB_ASM_(math_log) LJLIB_REC(math_unary IRFPM_LOG) -LJLIB_ASM_(math_log10) LJLIB_REC(math_unary IRFPM_LOG10) -LJLIB_ASM_(math_exp) LJLIB_REC(math_unary IRFPM_EXP) -LJLIB_ASM_(math_sin) LJLIB_REC(math_unary IRFPM_SIN) -LJLIB_ASM_(math_cos) LJLIB_REC(math_unary IRFPM_COS) -LJLIB_ASM_(math_tan) LJLIB_REC(math_unary IRFPM_TAN) -LJLIB_ASM_(math_asin) LJLIB_REC(math_atrig FF_math_asin) -LJLIB_ASM_(math_acos) LJLIB_REC(math_atrig FF_math_acos) -LJLIB_ASM_(math_atan) LJLIB_REC(math_atrig FF_math_atan) -LJLIB_ASM_(math_sinh) LJLIB_REC(math_htrig IRCALL_sinh) -LJLIB_ASM_(math_cosh) LJLIB_REC(math_htrig IRCALL_cosh) -LJLIB_ASM_(math_tanh) LJLIB_REC(math_htrig IRCALL_tanh) -LJLIB_ASM_(math_frexp) -LJLIB_ASM_(math_modf) LJLIB_REC(.) - -LJLIB_PUSH(57.29577951308232) -LJLIB_ASM_(math_deg) LJLIB_REC(math_degrad) - -LJLIB_PUSH(0.017453292519943295) -LJLIB_ASM_(math_rad) LJLIB_REC(math_degrad) - -LJLIB_ASM(math_atan2) LJLIB_REC(.) -{ - lj_lib_checknum(L, 1); - lj_lib_checknum(L, 2); - return FFH_RETRY; -} -LJLIB_ASM_(math_pow) LJLIB_REC(.) -LJLIB_ASM_(math_fmod) - -LJLIB_ASM(math_ldexp) LJLIB_REC(.) -{ - lj_lib_checknum(L, 1); -#if LJ_DUALNUM && !LJ_TARGET_X86ORX64 - lj_lib_checkint(L, 2); -#else - lj_lib_checknum(L, 2); -#endif - return FFH_RETRY; -} - -LJLIB_ASM(math_min) LJLIB_REC(math_minmax IR_MIN) -{ - int i = 0; - do { lj_lib_checknumber(L, ++i); } while (L->base+i < L->top); - return FFH_RETRY; -} -LJLIB_ASM_(math_max) LJLIB_REC(math_minmax IR_MAX) - -LJLIB_PUSH(3.14159265358979323846) LJLIB_SET(pi) -LJLIB_PUSH(1e310) LJLIB_SET(huge) - -/* ------------------------------------------------------------------------ */ - -/* This implements a Tausworthe PRNG with period 2^223. Based on: -** Tables of maximally-equidistributed combined LFSR generators, -** Pierre L'Ecuyer, 1991, table 3, 1st entry. -** Full-period ME-CF generator with L=64, J=4, k=223, N1=49. -*/ - -/* PRNG state. */ -struct RandomState { - uint64_t gen[4]; /* State of the 4 LFSR generators. */ - int valid; /* State is valid. */ -}; - -/* Union needed for bit-pattern conversion between uint64_t and double. */ -typedef union { uint64_t u64; double d; } U64double; - -/* Update generator i and compute a running xor of all states. */ -#define TW223_GEN(i, k, q, s) \ - z = rs->gen[i]; \ - z = (((z<> (k-s)) ^ ((z&((uint64_t)(int64_t)-1 << (64-k)))<gen[i] = z; - -/* PRNG step function. Returns a double in the range 1.0 <= d < 2.0. */ -LJ_NOINLINE uint64_t LJ_FASTCALL lj_math_random_step(RandomState *rs) -{ - uint64_t z, r = 0; - TW223_GEN(0, 63, 31, 18) - TW223_GEN(1, 58, 19, 28) - TW223_GEN(2, 55, 24, 7) - TW223_GEN(3, 47, 21, 8) - return (r & U64x(000fffff,ffffffff)) | U64x(3ff00000,00000000); -} - -/* PRNG initialization function. */ -static void random_init(RandomState *rs, double d) -{ - uint32_t r = 0x11090601; /* 64-k[i] as four 8 bit constants. */ - int i; - for (i = 0; i < 4; i++) { - U64double u; - uint32_t m = 1u << (r&255); - r >>= 8; - u.d = d = d * 3.14159265358979323846 + 2.7182818284590452354; - if (u.u64 < m) u.u64 += m; /* Ensure k[i] MSB of gen[i] are non-zero. */ - rs->gen[i] = u.u64; - } - rs->valid = 1; - for (i = 0; i < 10; i++) - lj_math_random_step(rs); -} - -/* PRNG extract function. */ -LJLIB_PUSH(top-2) /* Upvalue holds userdata with RandomState. */ -LJLIB_CF(math_random) LJLIB_REC(.) -{ - int n = (int)(L->top - L->base); - RandomState *rs = (RandomState *)(uddata(udataV(lj_lib_upvalue(L, 1)))); - U64double u; - double d; - if (LJ_UNLIKELY(!rs->valid)) random_init(rs, 0.0); - u.u64 = lj_math_random_step(rs); - d = u.d - 1.0; - if (n > 0) { -#if LJ_DUALNUM - int isint = 1; - double r1; - lj_lib_checknumber(L, 1); - if (tvisint(L->base)) { - r1 = (lua_Number)intV(L->base); - } else { - isint = 0; - r1 = numV(L->base); - } -#else - double r1 = lj_lib_checknum(L, 1); -#endif - if (n == 1) { - d = lj_vm_floor(d*r1) + 1.0; /* d is an int in range [1, r1] */ - } else { -#if LJ_DUALNUM - double r2; - lj_lib_checknumber(L, 2); - if (tvisint(L->base+1)) { - r2 = (lua_Number)intV(L->base+1); - } else { - isint = 0; - r2 = numV(L->base+1); - } -#else - double r2 = lj_lib_checknum(L, 2); -#endif - d = lj_vm_floor(d*(r2-r1+1.0)) + r1; /* d is an int in range [r1, r2] */ - } -#if LJ_DUALNUM - if (isint) { - setintV(L->top-1, lj_num2int(d)); - return 1; - } -#endif - } /* else: d is a double in range [0, 1] */ - setnumV(L->top++, d); - return 1; -} - -/* PRNG seed function. */ -LJLIB_PUSH(top-2) /* Upvalue holds userdata with RandomState. */ -LJLIB_CF(math_randomseed) -{ - RandomState *rs = (RandomState *)(uddata(udataV(lj_lib_upvalue(L, 1)))); - random_init(rs, lj_lib_checknum(L, 1)); - return 0; -} - -/* ------------------------------------------------------------------------ */ - -#include "lj_libdef.h" - -LUALIB_API int luaopen_math(lua_State *L) -{ - RandomState *rs; - rs = (RandomState *)lua_newuserdata(L, sizeof(RandomState)); - rs->valid = 0; /* Use lazy initialization to save some time on startup. */ - LJ_LIB_REG(L, LUA_MATHLIBNAME, math); -#if defined(LUA_COMPAT_MOD) - lua_getfield(L, -1, "fmod"); - lua_setfield(L, -2, "mod"); -#endif - return 1; -} - diff --git a/libraries/luajit-2.0/src/lib_os.c b/libraries/luajit-2.0/src/lib_os.c deleted file mode 100644 index 7292940..0000000 --- a/libraries/luajit-2.0/src/lib_os.c +++ /dev/null @@ -1,256 +0,0 @@ -/* -** OS library. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#include -#include -#include - -#define lib_os_c -#define LUA_LIB - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" - -#include "lj_obj.h" -#include "lj_err.h" -#include "lj_lib.h" - -#if LJ_TARGET_POSIX -#include -#else -#include -#endif - -/* ------------------------------------------------------------------------ */ - -#define LJLIB_MODULE_os - -static int os_pushresult(lua_State *L, int i, const char *filename) -{ - int en = errno; /* calls to Lua API may change this value */ - if (i) { - setboolV(L->top-1, 1); - return 1; - } else { - setnilV(L->top-1); - lua_pushfstring(L, "%s: %s", filename, strerror(en)); - lua_pushinteger(L, en); - return 3; - } -} - -LJLIB_CF(os_execute) -{ - lua_pushinteger(L, system(luaL_optstring(L, 1, NULL))); - return 1; -} - -LJLIB_CF(os_remove) -{ - const char *filename = luaL_checkstring(L, 1); - return os_pushresult(L, remove(filename) == 0, filename); -} - -LJLIB_CF(os_rename) -{ - const char *fromname = luaL_checkstring(L, 1); - const char *toname = luaL_checkstring(L, 2); - return os_pushresult(L, rename(fromname, toname) == 0, fromname); -} - -LJLIB_CF(os_tmpname) -{ -#if LJ_TARGET_POSIX - char buf[15+1]; - int fp; - strcpy(buf, "/tmp/lua_XXXXXX"); - fp = mkstemp(buf); - if (fp != -1) - close(fp); - else - lj_err_caller(L, LJ_ERR_OSUNIQF); -#else - char buf[L_tmpnam]; - if (tmpnam(buf) == NULL) - lj_err_caller(L, LJ_ERR_OSUNIQF); -#endif - lua_pushstring(L, buf); - return 1; -} - -LJLIB_CF(os_getenv) -{ - lua_pushstring(L, getenv(luaL_checkstring(L, 1))); /* if NULL push nil */ - return 1; -} - -LJLIB_CF(os_exit) -{ - int status; - if (L->base < L->top && tvisbool(L->base)) - status = boolV(L->base) ? EXIT_SUCCESS : EXIT_FAILURE; - else - status = lj_lib_optint(L, 1, EXIT_SUCCESS); - if (L->base+1 < L->top && tvistruecond(L->base+1)) - lua_close(L); - exit(status); - return 0; /* Unreachable. */ -} - -LJLIB_CF(os_clock) -{ - setnumV(L->top++, ((lua_Number)clock())*(1.0/(lua_Number)CLOCKS_PER_SEC)); - return 1; -} - -/* ------------------------------------------------------------------------ */ - -static void setfield(lua_State *L, const char *key, int value) -{ - lua_pushinteger(L, value); - lua_setfield(L, -2, key); -} - -static void setboolfield(lua_State *L, const char *key, int value) -{ - if (value < 0) /* undefined? */ - return; /* does not set field */ - lua_pushboolean(L, value); - lua_setfield(L, -2, key); -} - -static int getboolfield(lua_State *L, const char *key) -{ - int res; - lua_getfield(L, -1, key); - res = lua_isnil(L, -1) ? -1 : lua_toboolean(L, -1); - lua_pop(L, 1); - return res; -} - -static int getfield(lua_State *L, const char *key, int d) -{ - int res; - lua_getfield(L, -1, key); - if (lua_isnumber(L, -1)) { - res = (int)lua_tointeger(L, -1); - } else { - if (d < 0) - lj_err_callerv(L, LJ_ERR_OSDATEF, key); - res = d; - } - lua_pop(L, 1); - return res; -} - -LJLIB_CF(os_date) -{ - const char *s = luaL_optstring(L, 1, "%c"); - time_t t = luaL_opt(L, (time_t)luaL_checknumber, 2, time(NULL)); - struct tm *stm; - if (*s == '!') { /* UTC? */ - stm = gmtime(&t); - s++; /* skip `!' */ - } else { - stm = localtime(&t); - } - if (stm == NULL) { /* invalid date? */ - setnilV(L->top-1); - } else if (strcmp(s, "*t") == 0) { - lua_createtable(L, 0, 9); /* 9 = number of fields */ - setfield(L, "sec", stm->tm_sec); - setfield(L, "min", stm->tm_min); - setfield(L, "hour", stm->tm_hour); - setfield(L, "day", stm->tm_mday); - setfield(L, "month", stm->tm_mon+1); - setfield(L, "year", stm->tm_year+1900); - setfield(L, "wday", stm->tm_wday+1); - setfield(L, "yday", stm->tm_yday+1); - setboolfield(L, "isdst", stm->tm_isdst); - } else { - char cc[3]; - luaL_Buffer b; - cc[0] = '%'; cc[2] = '\0'; - luaL_buffinit(L, &b); - for (; *s; s++) { - if (*s != '%' || *(s + 1) == '\0') { /* no conversion specifier? */ - luaL_addchar(&b, *s); - } else { - size_t reslen; - char buff[200]; /* should be big enough for any conversion result */ - cc[1] = *(++s); - reslen = strftime(buff, sizeof(buff), cc, stm); - luaL_addlstring(&b, buff, reslen); - } - } - luaL_pushresult(&b); - } - return 1; -} - -LJLIB_CF(os_time) -{ - time_t t; - if (lua_isnoneornil(L, 1)) { /* called without args? */ - t = time(NULL); /* get current time */ - } else { - struct tm ts; - luaL_checktype(L, 1, LUA_TTABLE); - lua_settop(L, 1); /* make sure table is at the top */ - ts.tm_sec = getfield(L, "sec", 0); - ts.tm_min = getfield(L, "min", 0); - ts.tm_hour = getfield(L, "hour", 12); - ts.tm_mday = getfield(L, "day", -1); - ts.tm_mon = getfield(L, "month", -1) - 1; - ts.tm_year = getfield(L, "year", -1) - 1900; - ts.tm_isdst = getboolfield(L, "isdst"); - t = mktime(&ts); - } - if (t == (time_t)(-1)) - lua_pushnil(L); - else - lua_pushnumber(L, (lua_Number)t); - return 1; -} - -LJLIB_CF(os_difftime) -{ - lua_pushnumber(L, difftime((time_t)(luaL_checknumber(L, 1)), - (time_t)(luaL_optnumber(L, 2, (lua_Number)0)))); - return 1; -} - -/* ------------------------------------------------------------------------ */ - -LJLIB_CF(os_setlocale) -{ - GCstr *s = lj_lib_optstr(L, 1); - const char *str = s ? strdata(s) : NULL; - int opt = lj_lib_checkopt(L, 2, 6, - "\5ctype\7numeric\4time\7collate\10monetary\1\377\3all"); - if (opt == 0) opt = LC_CTYPE; - else if (opt == 1) opt = LC_NUMERIC; - else if (opt == 2) opt = LC_TIME; - else if (opt == 3) opt = LC_COLLATE; - else if (opt == 4) opt = LC_MONETARY; - else if (opt == 6) opt = LC_ALL; - lua_pushstring(L, setlocale(opt, str)); - return 1; -} - -/* ------------------------------------------------------------------------ */ - -#include "lj_libdef.h" - -LUALIB_API int luaopen_os(lua_State *L) -{ - LJ_LIB_REG(L, LUA_OSLIBNAME, os); - return 1; -} - diff --git a/libraries/luajit-2.0/src/lib_package.c b/libraries/luajit-2.0/src/lib_package.c deleted file mode 100644 index a13c45b..0000000 --- a/libraries/luajit-2.0/src/lib_package.c +++ /dev/null @@ -1,585 +0,0 @@ -/* -** Package library. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2011 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#define lib_package_c -#define LUA_LIB - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" - -#include "lj_obj.h" -#include "lj_err.h" -#include "lj_lib.h" - -/* ------------------------------------------------------------------------ */ - -/* Error codes for ll_loadfunc. */ -#define PACKAGE_ERR_LIB 1 -#define PACKAGE_ERR_FUNC 2 -#define PACKAGE_ERR_LOAD 3 - -/* Redefined in platform specific part. */ -#define PACKAGE_LIB_FAIL "open" -#define setprogdir(L) ((void)0) - -/* Symbol name prefixes. */ -#define SYMPREFIX_CF "luaopen_%s" -#define SYMPREFIX_BC "luaJIT_BC_%s" - -#if LJ_TARGET_DLOPEN - -#include - -static void ll_unloadlib(void *lib) -{ - dlclose(lib); -} - -static void *ll_load(lua_State *L, const char *path) -{ - void *lib = dlopen(path, RTLD_NOW); - if (lib == NULL) lua_pushstring(L, dlerror()); - return lib; -} - -static lua_CFunction ll_sym(lua_State *L, void *lib, const char *sym) -{ - lua_CFunction f = (lua_CFunction)dlsym(lib, sym); - if (f == NULL) lua_pushstring(L, dlerror()); - return f; -} - -static const char *ll_bcsym(void *lib, const char *sym) -{ -#if defined(RTLD_DEFAULT) - if (lib == NULL) lib = RTLD_DEFAULT; -#elif LJ_TARGET_OSX || LJ_TARGET_BSD - if (lib == NULL) lib = (void *)(intptr_t)-2; -#endif - return (const char *)dlsym(lib, sym); -} - -#elif LJ_TARGET_WINDOWS - -#define WIN32_LEAN_AND_MEAN -#ifndef WINVER -#define WINVER 0x0500 -#endif -#include - -#ifndef GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS -#define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS 4 -#define GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT 2 -BOOL WINAPI GetModuleHandleExA(DWORD, LPCSTR, HMODULE*); -#endif - -#undef setprogdir - -static void setprogdir(lua_State *L) -{ - char buff[MAX_PATH + 1]; - char *lb; - DWORD nsize = sizeof(buff); - DWORD n = GetModuleFileNameA(NULL, buff, nsize); - if (n == 0 || n == nsize || (lb = strrchr(buff, '\\')) == NULL) { - luaL_error(L, "unable to get ModuleFileName"); - } else { - *lb = '\0'; - luaL_gsub(L, lua_tostring(L, -1), LUA_EXECDIR, buff); - lua_remove(L, -2); /* remove original string */ - } -} - -static void pusherror(lua_State *L) -{ - DWORD error = GetLastError(); - char buffer[128]; - if (FormatMessageA(FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM, - NULL, error, 0, buffer, sizeof(buffer), NULL)) - lua_pushstring(L, buffer); - else - lua_pushfstring(L, "system error %d\n", error); -} - -static void ll_unloadlib(void *lib) -{ - FreeLibrary((HINSTANCE)lib); -} - -static void *ll_load(lua_State *L, const char *path) -{ - HINSTANCE lib = LoadLibraryA(path); - if (lib == NULL) pusherror(L); - return lib; -} - -static lua_CFunction ll_sym(lua_State *L, void *lib, const char *sym) -{ - lua_CFunction f = (lua_CFunction)GetProcAddress((HINSTANCE)lib, sym); - if (f == NULL) pusherror(L); - return f; -} - -static const char *ll_bcsym(void *lib, const char *sym) -{ - if (lib) { - return (const char *)GetProcAddress((HINSTANCE)lib, sym); - } else { - HINSTANCE h = GetModuleHandleA(NULL); - const char *p = (const char *)GetProcAddress(h, sym); - if (p == NULL && GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS|GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, - (const char *)ll_bcsym, &h)) - p = (const char *)GetProcAddress(h, sym); - return p; - } -} - -#else - -#undef PACKAGE_LIB_FAIL -#define PACKAGE_LIB_FAIL "absent" - -#define DLMSG "dynamic libraries not enabled; no support for target OS" - -static void ll_unloadlib(void *lib) -{ - (void)lib; -} - -static void *ll_load(lua_State *L, const char *path) -{ - (void)path; - lua_pushliteral(L, DLMSG); - return NULL; -} - -static lua_CFunction ll_sym(lua_State *L, void *lib, const char *sym) -{ - (void)lib; (void)sym; - lua_pushliteral(L, DLMSG); - return NULL; -} - -static const char *ll_bcsym(void *lib, const char *sym) -{ - (void)lib; (void)sym; - return NULL; -} - -#endif - -/* ------------------------------------------------------------------------ */ - -static void **ll_register(lua_State *L, const char *path) -{ - void **plib; - lua_pushfstring(L, "LOADLIB: %s", path); - lua_gettable(L, LUA_REGISTRYINDEX); /* check library in registry? */ - if (!lua_isnil(L, -1)) { /* is there an entry? */ - plib = (void **)lua_touserdata(L, -1); - } else { /* no entry yet; create one */ - lua_pop(L, 1); - plib = (void **)lua_newuserdata(L, sizeof(void *)); - *plib = NULL; - luaL_getmetatable(L, "_LOADLIB"); - lua_setmetatable(L, -2); - lua_pushfstring(L, "LOADLIB: %s", path); - lua_pushvalue(L, -2); - lua_settable(L, LUA_REGISTRYINDEX); - } - return plib; -} - -static const char *mksymname(lua_State *L, const char *modname, - const char *prefix) -{ - const char *funcname; - const char *mark = strchr(modname, *LUA_IGMARK); - if (mark) modname = mark + 1; - funcname = luaL_gsub(L, modname, ".", "_"); - funcname = lua_pushfstring(L, prefix, funcname); - lua_remove(L, -2); /* remove 'gsub' result */ - return funcname; -} - -static int ll_loadfunc(lua_State *L, const char *path, const char *name, int r) -{ - void **reg = ll_register(L, path); - if (*reg == NULL) *reg = ll_load(L, path); - if (*reg == NULL) { - return PACKAGE_ERR_LIB; /* unable to load library */ - } else { - const char *sym = r ? name : mksymname(L, name, SYMPREFIX_CF); - lua_CFunction f = ll_sym(L, *reg, sym); - if (f) { - lua_pushcfunction(L, f); - return 0; - } - if (!r) { - const char *bcdata = ll_bcsym(*reg, mksymname(L, name, SYMPREFIX_BC)); - lua_pop(L, 1); - if (bcdata) { - if (luaL_loadbuffer(L, bcdata, ~(size_t)0, name) != 0) - return PACKAGE_ERR_LOAD; - return 0; - } - } - return PACKAGE_ERR_FUNC; /* unable to find function */ - } -} - -static int lj_cf_package_loadlib(lua_State *L) -{ - const char *path = luaL_checkstring(L, 1); - const char *init = luaL_checkstring(L, 2); - int st = ll_loadfunc(L, path, init, 1); - if (st == 0) { /* no errors? */ - return 1; /* return the loaded function */ - } else { /* error; error message is on stack top */ - lua_pushnil(L); - lua_insert(L, -2); - lua_pushstring(L, (st == PACKAGE_ERR_LIB) ? PACKAGE_LIB_FAIL : "init"); - return 3; /* return nil, error message, and where */ - } -} - -static int lj_cf_package_unloadlib(lua_State *L) -{ - void **lib = (void **)luaL_checkudata(L, 1, "_LOADLIB"); - if (*lib) ll_unloadlib(*lib); - *lib = NULL; /* mark library as closed */ - return 0; -} - -/* ------------------------------------------------------------------------ */ - -static int readable(const char *filename) -{ - FILE *f = fopen(filename, "r"); /* try to open file */ - if (f == NULL) return 0; /* open failed */ - fclose(f); - return 1; -} - -static const char *pushnexttemplate(lua_State *L, const char *path) -{ - const char *l; - while (*path == *LUA_PATHSEP) path++; /* skip separators */ - if (*path == '\0') return NULL; /* no more templates */ - l = strchr(path, *LUA_PATHSEP); /* find next separator */ - if (l == NULL) l = path + strlen(path); - lua_pushlstring(L, path, (size_t)(l - path)); /* template */ - return l; -} - -static const char *searchpath (lua_State *L, const char *name, - const char *path) -{ - name = luaL_gsub(L, name, ".", LUA_DIRSEP); - lua_pushliteral(L, ""); /* error accumulator */ - while ((path = pushnexttemplate(L, path)) != NULL) { - const char *filename = luaL_gsub(L, lua_tostring(L, -1), - LUA_PATH_MARK, name); - lua_remove(L, -2); /* remove path template */ - if (readable(filename)) /* does file exist and is readable? */ - return filename; /* return that file name */ - lua_pushfstring(L, "\n\tno file " LUA_QS, filename); - lua_remove(L, -2); /* remove file name */ - lua_concat(L, 2); /* add entry to possible error message */ - } - return NULL; /* not found */ -} - -static int lj_cf_package_searchpath(lua_State *L) -{ - const char *f = searchpath(L, luaL_checkstring(L, 1), luaL_checkstring(L, 2)); - if (f != NULL) { - return 1; - } else { /* error message is on top of the stack */ - lua_pushnil(L); - lua_insert(L, -2); - return 2; /* return nil + error message */ - } -} - -static const char *findfile(lua_State *L, const char *name, - const char *pname) -{ - const char *path; - lua_getfield(L, LUA_ENVIRONINDEX, pname); - path = lua_tostring(L, -1); - if (path == NULL) - luaL_error(L, LUA_QL("package.%s") " must be a string", pname); - return searchpath(L, name, path); -} - -static void loaderror(lua_State *L, const char *filename) -{ - luaL_error(L, "error loading module " LUA_QS " from file " LUA_QS ":\n\t%s", - lua_tostring(L, 1), filename, lua_tostring(L, -1)); -} - -static int lj_cf_package_loader_lua(lua_State *L) -{ - const char *filename; - const char *name = luaL_checkstring(L, 1); - filename = findfile(L, name, "path"); - if (filename == NULL) return 1; /* library not found in this path */ - if (luaL_loadfile(L, filename) != 0) - loaderror(L, filename); - return 1; /* library loaded successfully */ -} - -static int lj_cf_package_loader_c(lua_State *L) -{ - const char *name = luaL_checkstring(L, 1); - const char *filename = findfile(L, name, "cpath"); - if (filename == NULL) return 1; /* library not found in this path */ - if (ll_loadfunc(L, filename, name, 0) != 0) - loaderror(L, filename); - return 1; /* library loaded successfully */ -} - -static int lj_cf_package_loader_croot(lua_State *L) -{ - const char *filename; - const char *name = luaL_checkstring(L, 1); - const char *p = strchr(name, '.'); - int st; - if (p == NULL) return 0; /* is root */ - lua_pushlstring(L, name, (size_t)(p - name)); - filename = findfile(L, lua_tostring(L, -1), "cpath"); - if (filename == NULL) return 1; /* root not found */ - if ((st = ll_loadfunc(L, filename, name, 0)) != 0) { - if (st != PACKAGE_ERR_FUNC) loaderror(L, filename); /* real error */ - lua_pushfstring(L, "\n\tno module " LUA_QS " in file " LUA_QS, - name, filename); - return 1; /* function not found */ - } - return 1; -} - -static int lj_cf_package_loader_preload(lua_State *L) -{ - const char *name = luaL_checkstring(L, 1); - lua_getfield(L, LUA_ENVIRONINDEX, "preload"); - if (!lua_istable(L, -1)) - luaL_error(L, LUA_QL("package.preload") " must be a table"); - lua_getfield(L, -1, name); - if (lua_isnil(L, -1)) { /* Not found? */ - const char *bcname = mksymname(L, name, SYMPREFIX_BC); - const char *bcdata = ll_bcsym(NULL, bcname); - if (bcdata == NULL || luaL_loadbuffer(L, bcdata, ~(size_t)0, name) != 0) - lua_pushfstring(L, "\n\tno field package.preload['%s']", name); - } - return 1; -} - -/* ------------------------------------------------------------------------ */ - -static const int sentinel_ = 0; -#define sentinel ((void *)&sentinel_) - -static int lj_cf_package_require(lua_State *L) -{ - const char *name = luaL_checkstring(L, 1); - int i; - lua_settop(L, 1); /* _LOADED table will be at index 2 */ - lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED"); - lua_getfield(L, 2, name); - if (lua_toboolean(L, -1)) { /* is it there? */ - if (lua_touserdata(L, -1) == sentinel) /* check loops */ - luaL_error(L, "loop or previous error loading module " LUA_QS, name); - return 1; /* package is already loaded */ - } - /* else must load it; iterate over available loaders */ - lua_getfield(L, LUA_ENVIRONINDEX, "loaders"); - if (!lua_istable(L, -1)) - luaL_error(L, LUA_QL("package.loaders") " must be a table"); - lua_pushliteral(L, ""); /* error message accumulator */ - for (i = 1; ; i++) { - lua_rawgeti(L, -2, i); /* get a loader */ - if (lua_isnil(L, -1)) - luaL_error(L, "module " LUA_QS " not found:%s", - name, lua_tostring(L, -2)); - lua_pushstring(L, name); - lua_call(L, 1, 1); /* call it */ - if (lua_isfunction(L, -1)) /* did it find module? */ - break; /* module loaded successfully */ - else if (lua_isstring(L, -1)) /* loader returned error message? */ - lua_concat(L, 2); /* accumulate it */ - else - lua_pop(L, 1); - } - lua_pushlightuserdata(L, sentinel); - lua_setfield(L, 2, name); /* _LOADED[name] = sentinel */ - lua_pushstring(L, name); /* pass name as argument to module */ - lua_call(L, 1, 1); /* run loaded module */ - if (!lua_isnil(L, -1)) /* non-nil return? */ - lua_setfield(L, 2, name); /* _LOADED[name] = returned value */ - lua_getfield(L, 2, name); - if (lua_touserdata(L, -1) == sentinel) { /* module did not set a value? */ - lua_pushboolean(L, 1); /* use true as result */ - lua_pushvalue(L, -1); /* extra copy to be returned */ - lua_setfield(L, 2, name); /* _LOADED[name] = true */ - } - lj_lib_checkfpu(L); - return 1; -} - -/* ------------------------------------------------------------------------ */ - -static void setfenv(lua_State *L) -{ - lua_Debug ar; - if (lua_getstack(L, 1, &ar) == 0 || - lua_getinfo(L, "f", &ar) == 0 || /* get calling function */ - lua_iscfunction(L, -1)) - luaL_error(L, LUA_QL("module") " not called from a Lua function"); - lua_pushvalue(L, -2); - lua_setfenv(L, -2); - lua_pop(L, 1); -} - -static void dooptions(lua_State *L, int n) -{ - int i; - for (i = 2; i <= n; i++) { - lua_pushvalue(L, i); /* get option (a function) */ - lua_pushvalue(L, -2); /* module */ - lua_call(L, 1, 0); - } -} - -static void modinit(lua_State *L, const char *modname) -{ - const char *dot; - lua_pushvalue(L, -1); - lua_setfield(L, -2, "_M"); /* module._M = module */ - lua_pushstring(L, modname); - lua_setfield(L, -2, "_NAME"); - dot = strrchr(modname, '.'); /* look for last dot in module name */ - if (dot == NULL) dot = modname; else dot++; - /* set _PACKAGE as package name (full module name minus last part) */ - lua_pushlstring(L, modname, (size_t)(dot - modname)); - lua_setfield(L, -2, "_PACKAGE"); -} - -static int lj_cf_package_module(lua_State *L) -{ - const char *modname = luaL_checkstring(L, 1); - int loaded = lua_gettop(L) + 1; /* index of _LOADED table */ - lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED"); - lua_getfield(L, loaded, modname); /* get _LOADED[modname] */ - if (!lua_istable(L, -1)) { /* not found? */ - lua_pop(L, 1); /* remove previous result */ - /* try global variable (and create one if it does not exist) */ - if (luaL_findtable(L, LUA_GLOBALSINDEX, modname, 1) != NULL) - lj_err_callerv(L, LJ_ERR_BADMODN, modname); - lua_pushvalue(L, -1); - lua_setfield(L, loaded, modname); /* _LOADED[modname] = new table */ - } - /* check whether table already has a _NAME field */ - lua_getfield(L, -1, "_NAME"); - if (!lua_isnil(L, -1)) { /* is table an initialized module? */ - lua_pop(L, 1); - } else { /* no; initialize it */ - lua_pop(L, 1); - modinit(L, modname); - } - lua_pushvalue(L, -1); - setfenv(L); - dooptions(L, loaded - 1); - return 0; -} - -static int lj_cf_package_seeall(lua_State *L) -{ - luaL_checktype(L, 1, LUA_TTABLE); - if (!lua_getmetatable(L, 1)) { - lua_createtable(L, 0, 1); /* create new metatable */ - lua_pushvalue(L, -1); - lua_setmetatable(L, 1); - } - lua_pushvalue(L, LUA_GLOBALSINDEX); - lua_setfield(L, -2, "__index"); /* mt.__index = _G */ - return 0; -} - -/* ------------------------------------------------------------------------ */ - -#define AUXMARK "\1" - -static void setpath(lua_State *L, const char *fieldname, const char *envname, - const char *def) -{ - const char *path = getenv(envname); - if (path == NULL) { - lua_pushstring(L, def); - } else { - path = luaL_gsub(L, path, LUA_PATHSEP LUA_PATHSEP, - LUA_PATHSEP AUXMARK LUA_PATHSEP); - luaL_gsub(L, path, AUXMARK, def); - lua_remove(L, -2); - } - setprogdir(L); - lua_setfield(L, -2, fieldname); -} - -static const luaL_Reg package_lib[] = { - { "loadlib", lj_cf_package_loadlib }, - { "searchpath", lj_cf_package_searchpath }, - { "seeall", lj_cf_package_seeall }, - { NULL, NULL } -}; - -static const luaL_Reg package_global[] = { - { "module", lj_cf_package_module }, - { "require", lj_cf_package_require }, - { NULL, NULL } -}; - -static const lua_CFunction package_loaders[] = -{ - lj_cf_package_loader_preload, - lj_cf_package_loader_lua, - lj_cf_package_loader_c, - lj_cf_package_loader_croot, - NULL -}; - -LUALIB_API int luaopen_package(lua_State *L) -{ - int i; - luaL_newmetatable(L, "_LOADLIB"); - lj_lib_pushcf(L, lj_cf_package_unloadlib, 1); - lua_setfield(L, -2, "__gc"); - luaL_register(L, LUA_LOADLIBNAME, package_lib); - lua_pushvalue(L, -1); - lua_replace(L, LUA_ENVIRONINDEX); - lua_createtable(L, sizeof(package_loaders)/sizeof(package_loaders[0])-1, 0); - for (i = 0; package_loaders[i] != NULL; i++) { - lj_lib_pushcf(L, package_loaders[i], 1); - lua_rawseti(L, -2, i+1); - } - lua_setfield(L, -2, "loaders"); - setpath(L, "path", LUA_PATH, LUA_PATH_DEFAULT); - setpath(L, "cpath", LUA_CPATH, LUA_CPATH_DEFAULT); - lua_pushliteral(L, LUA_PATH_CONFIG); - lua_setfield(L, -2, "config"); - luaL_findtable(L, LUA_REGISTRYINDEX, "_LOADED", 16); - lua_setfield(L, -2, "loaded"); - luaL_findtable(L, LUA_REGISTRYINDEX, "_PRELOAD", 4); - lua_setfield(L, -2, "preload"); - lua_pushvalue(L, LUA_GLOBALSINDEX); - luaL_register(L, NULL, package_global); - lua_pop(L, 1); - return 1; -} - diff --git a/libraries/luajit-2.0/src/lib_string.c b/libraries/luajit-2.0/src/lib_string.c deleted file mode 100644 index 5cbe6e4..0000000 --- a/libraries/luajit-2.0/src/lib_string.c +++ /dev/null @@ -1,855 +0,0 @@ -/* -** String library. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#include - -#define lib_string_c -#define LUA_LIB - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_state.h" -#include "lj_ff.h" -#include "lj_bcdump.h" -#include "lj_char.h" -#include "lj_lib.h" - -/* ------------------------------------------------------------------------ */ - -#define LJLIB_MODULE_string - -LJLIB_ASM(string_len) LJLIB_REC(.) -{ - lj_lib_checkstr(L, 1); - return FFH_RETRY; -} - -LJLIB_ASM(string_byte) LJLIB_REC(string_range 0) -{ - GCstr *s = lj_lib_checkstr(L, 1); - int32_t len = (int32_t)s->len; - int32_t start = lj_lib_optint(L, 2, 1); - int32_t stop = lj_lib_optint(L, 3, start); - int32_t n, i; - const unsigned char *p; - if (stop < 0) stop += len+1; - if (start < 0) start += len+1; - if (start <= 0) start = 1; - if (stop > len) stop = len; - if (start > stop) return FFH_RES(0); /* Empty interval: return no results. */ - start--; - n = stop - start; - if ((uint32_t)n > LUAI_MAXCSTACK) - lj_err_caller(L, LJ_ERR_STRSLC); - lj_state_checkstack(L, (MSize)n); - p = (const unsigned char *)strdata(s) + start; - for (i = 0; i < n; i++) - setintV(L->base + i-1, p[i]); - return FFH_RES(n); -} - -LJLIB_ASM(string_char) -{ - int i, nargs = (int)(L->top - L->base); - char *buf = lj_str_needbuf(L, &G(L)->tmpbuf, (size_t)nargs); - for (i = 1; i <= nargs; i++) { - int32_t k = lj_lib_checkint(L, i); - if (!checku8(k)) - lj_err_arg(L, i, LJ_ERR_BADVAL); - buf[i-1] = (char)k; - } - setstrV(L, L->base-1, lj_str_new(L, buf, (size_t)nargs)); - return FFH_RES(1); -} - -LJLIB_ASM(string_sub) LJLIB_REC(string_range 1) -{ - lj_lib_checkstr(L, 1); - lj_lib_checkint(L, 2); - setintV(L->base+2, lj_lib_optint(L, 3, -1)); - return FFH_RETRY; -} - -LJLIB_ASM(string_rep) -{ - GCstr *s = lj_lib_checkstr(L, 1); - int32_t len = (int32_t)s->len; - int32_t k = lj_lib_checkint(L, 2); - int64_t tlen = (int64_t)k * len; - const char *src; - char *buf; - if (k <= 0) return FFH_RETRY; - if (tlen > LJ_MAX_STR) - lj_err_caller(L, LJ_ERR_STROV); - buf = lj_str_needbuf(L, &G(L)->tmpbuf, (MSize)tlen); - if (len <= 1) return FFH_RETRY; /* ASM code only needed buffer resize. */ - src = strdata(s); - do { - int32_t i = 0; - do { *buf++ = src[i++]; } while (i < len); - } while (--k > 0); - setstrV(L, L->base-1, lj_str_new(L, G(L)->tmpbuf.buf, (size_t)tlen)); - return FFH_RES(1); -} - -LJLIB_ASM(string_reverse) -{ - GCstr *s = lj_lib_checkstr(L, 1); - lj_str_needbuf(L, &G(L)->tmpbuf, s->len); - return FFH_RETRY; -} -LJLIB_ASM_(string_lower) -LJLIB_ASM_(string_upper) - -/* ------------------------------------------------------------------------ */ - -static int writer_buf(lua_State *L, const void *p, size_t size, void *b) -{ - luaL_addlstring((luaL_Buffer *)b, (const char *)p, size); - UNUSED(L); - return 0; -} - -LJLIB_CF(string_dump) -{ - GCfunc *fn = lj_lib_checkfunc(L, 1); - int strip = L->base+1 < L->top && tvistruecond(L->base+1); - luaL_Buffer b; - L->top = L->base+1; - luaL_buffinit(L, &b); - if (!isluafunc(fn) || lj_bcwrite(L, funcproto(fn), writer_buf, &b, strip)) - lj_err_caller(L, LJ_ERR_STRDUMP); - luaL_pushresult(&b); - return 1; -} - -/* ------------------------------------------------------------------------ */ - -/* macro to `unsign' a character */ -#define uchar(c) ((unsigned char)(c)) - -#define CAP_UNFINISHED (-1) -#define CAP_POSITION (-2) - -typedef struct MatchState { - const char *src_init; /* init of source string */ - const char *src_end; /* end (`\0') of source string */ - lua_State *L; - int level; /* total number of captures (finished or unfinished) */ - struct { - const char *init; - ptrdiff_t len; - } capture[LUA_MAXCAPTURES]; -} MatchState; - -#define L_ESC '%' -#define SPECIALS "^$*+?.([%-" - -static int check_capture(MatchState *ms, int l) -{ - l -= '1'; - if (l < 0 || l >= ms->level || ms->capture[l].len == CAP_UNFINISHED) - lj_err_caller(ms->L, LJ_ERR_STRCAPI); - return l; -} - -static int capture_to_close(MatchState *ms) -{ - int level = ms->level; - for (level--; level>=0; level--) - if (ms->capture[level].len == CAP_UNFINISHED) return level; - lj_err_caller(ms->L, LJ_ERR_STRPATC); - return 0; /* unreachable */ -} - -static const char *classend(MatchState *ms, const char *p) -{ - switch (*p++) { - case L_ESC: - if (*p == '\0') - lj_err_caller(ms->L, LJ_ERR_STRPATE); - return p+1; - case '[': - if (*p == '^') p++; - do { /* look for a `]' */ - if (*p == '\0') - lj_err_caller(ms->L, LJ_ERR_STRPATM); - if (*(p++) == L_ESC && *p != '\0') - p++; /* skip escapes (e.g. `%]') */ - } while (*p != ']'); - return p+1; - default: - return p; - } -} - -static const unsigned char match_class_map[32] = { - 0,LJ_CHAR_ALPHA,0,LJ_CHAR_CNTRL,LJ_CHAR_DIGIT,0,0,LJ_CHAR_GRAPH,0,0,0,0, - LJ_CHAR_LOWER,0,0,0,LJ_CHAR_PUNCT,0,0,LJ_CHAR_SPACE,0, - LJ_CHAR_UPPER,0,LJ_CHAR_ALNUM,LJ_CHAR_XDIGIT,0,0,0,0,0,0,0 -}; - -static int match_class(int c, int cl) -{ - if ((cl & 0xc0) == 0x40) { - int t = match_class_map[(cl&0x1f)]; - if (t) { - t = lj_char_isa(c, t); - return (cl & 0x20) ? t : !t; - } - if (cl == 'z') return c == 0; - if (cl == 'Z') return c != 0; - } - return (cl == c); -} - -static int matchbracketclass(int c, const char *p, const char *ec) -{ - int sig = 1; - if (*(p+1) == '^') { - sig = 0; - p++; /* skip the `^' */ - } - while (++p < ec) { - if (*p == L_ESC) { - p++; - if (match_class(c, uchar(*p))) - return sig; - } - else if ((*(p+1) == '-') && (p+2 < ec)) { - p+=2; - if (uchar(*(p-2)) <= c && c <= uchar(*p)) - return sig; - } - else if (uchar(*p) == c) return sig; - } - return !sig; -} - -static int singlematch(int c, const char *p, const char *ep) -{ - switch (*p) { - case '.': return 1; /* matches any char */ - case L_ESC: return match_class(c, uchar(*(p+1))); - case '[': return matchbracketclass(c, p, ep-1); - default: return (uchar(*p) == c); - } -} - -static const char *match(MatchState *ms, const char *s, const char *p); - -static const char *matchbalance(MatchState *ms, const char *s, const char *p) -{ - if (*p == 0 || *(p+1) == 0) - lj_err_caller(ms->L, LJ_ERR_STRPATU); - if (*s != *p) { - return NULL; - } else { - int b = *p; - int e = *(p+1); - int cont = 1; - while (++s < ms->src_end) { - if (*s == e) { - if (--cont == 0) return s+1; - } else if (*s == b) { - cont++; - } - } - } - return NULL; /* string ends out of balance */ -} - -static const char *max_expand(MatchState *ms, const char *s, - const char *p, const char *ep) -{ - ptrdiff_t i = 0; /* counts maximum expand for item */ - while ((s+i)src_end && singlematch(uchar(*(s+i)), p, ep)) - i++; - /* keeps trying to match with the maximum repetitions */ - while (i>=0) { - const char *res = match(ms, (s+i), ep+1); - if (res) return res; - i--; /* else didn't match; reduce 1 repetition to try again */ - } - return NULL; -} - -static const char *min_expand(MatchState *ms, const char *s, - const char *p, const char *ep) -{ - for (;;) { - const char *res = match(ms, s, ep+1); - if (res != NULL) - return res; - else if (ssrc_end && singlematch(uchar(*s), p, ep)) - s++; /* try with one more repetition */ - else - return NULL; - } -} - -static const char *start_capture(MatchState *ms, const char *s, - const char *p, int what) -{ - const char *res; - int level = ms->level; - if (level >= LUA_MAXCAPTURES) lj_err_caller(ms->L, LJ_ERR_STRCAPN); - ms->capture[level].init = s; - ms->capture[level].len = what; - ms->level = level+1; - if ((res=match(ms, s, p)) == NULL) /* match failed? */ - ms->level--; /* undo capture */ - return res; -} - -static const char *end_capture(MatchState *ms, const char *s, - const char *p) -{ - int l = capture_to_close(ms); - const char *res; - ms->capture[l].len = s - ms->capture[l].init; /* close capture */ - if ((res = match(ms, s, p)) == NULL) /* match failed? */ - ms->capture[l].len = CAP_UNFINISHED; /* undo capture */ - return res; -} - -static const char *match_capture(MatchState *ms, const char *s, int l) -{ - size_t len; - l = check_capture(ms, l); - len = (size_t)ms->capture[l].len; - if ((size_t)(ms->src_end-s) >= len && - memcmp(ms->capture[l].init, s, len) == 0) - return s+len; - else - return NULL; -} - -static const char *match(MatchState *ms, const char *s, const char *p) -{ - init: /* using goto's to optimize tail recursion */ - switch (*p) { - case '(': /* start capture */ - if (*(p+1) == ')') /* position capture? */ - return start_capture(ms, s, p+2, CAP_POSITION); - else - return start_capture(ms, s, p+1, CAP_UNFINISHED); - case ')': /* end capture */ - return end_capture(ms, s, p+1); - case L_ESC: - switch (*(p+1)) { - case 'b': /* balanced string? */ - s = matchbalance(ms, s, p+2); - if (s == NULL) return NULL; - p+=4; - goto init; /* else return match(ms, s, p+4); */ - case 'f': { /* frontier? */ - const char *ep; char previous; - p += 2; - if (*p != '[') - lj_err_caller(ms->L, LJ_ERR_STRPATB); - ep = classend(ms, p); /* points to what is next */ - previous = (s == ms->src_init) ? '\0' : *(s-1); - if (matchbracketclass(uchar(previous), p, ep-1) || - !matchbracketclass(uchar(*s), p, ep-1)) return NULL; - p=ep; - goto init; /* else return match(ms, s, ep); */ - } - default: - if (lj_char_isdigit(uchar(*(p+1)))) { /* capture results (%0-%9)? */ - s = match_capture(ms, s, uchar(*(p+1))); - if (s == NULL) return NULL; - p+=2; - goto init; /* else return match(ms, s, p+2) */ - } - goto dflt; /* case default */ - } - case '\0': /* end of pattern */ - return s; /* match succeeded */ - case '$': - if (*(p+1) == '\0') /* is the `$' the last char in pattern? */ - return (s == ms->src_end) ? s : NULL; /* check end of string */ - else - goto dflt; - default: dflt: { /* it is a pattern item */ - const char *ep = classend(ms, p); /* points to what is next */ - int m = ssrc_end && singlematch(uchar(*s), p, ep); - switch (*ep) { - case '?': { /* optional */ - const char *res; - if (m && ((res=match(ms, s+1, ep+1)) != NULL)) - return res; - p=ep+1; - goto init; /* else return match(ms, s, ep+1); */ - } - case '*': /* 0 or more repetitions */ - return max_expand(ms, s, p, ep); - case '+': /* 1 or more repetitions */ - return (m ? max_expand(ms, s+1, p, ep) : NULL); - case '-': /* 0 or more repetitions (minimum) */ - return min_expand(ms, s, p, ep); - default: - if (!m) return NULL; - s++; p=ep; - goto init; /* else return match(ms, s+1, ep); */ - } - } - } -} - -static const char *lmemfind(const char *s1, size_t l1, - const char *s2, size_t l2) -{ - if (l2 == 0) { - return s1; /* empty strings are everywhere */ - } else if (l2 > l1) { - return NULL; /* avoids a negative `l1' */ - } else { - const char *init; /* to search for a `*s2' inside `s1' */ - l2--; /* 1st char will be checked by `memchr' */ - l1 = l1-l2; /* `s2' cannot be found after that */ - while (l1 > 0 && (init = (const char *)memchr(s1, *s2, l1)) != NULL) { - init++; /* 1st char is already checked */ - if (memcmp(init, s2+1, l2) == 0) { - return init-1; - } else { /* correct `l1' and `s1' to try again */ - l1 -= (size_t)(init-s1); - s1 = init; - } - } - return NULL; /* not found */ - } -} - -static void push_onecapture(MatchState *ms, int i, const char *s, const char *e) -{ - if (i >= ms->level) { - if (i == 0) /* ms->level == 0, too */ - lua_pushlstring(ms->L, s, (size_t)(e - s)); /* add whole match */ - else - lj_err_caller(ms->L, LJ_ERR_STRCAPI); - } else { - ptrdiff_t l = ms->capture[i].len; - if (l == CAP_UNFINISHED) lj_err_caller(ms->L, LJ_ERR_STRCAPU); - if (l == CAP_POSITION) - lua_pushinteger(ms->L, ms->capture[i].init - ms->src_init + 1); - else - lua_pushlstring(ms->L, ms->capture[i].init, (size_t)l); - } -} - -static int push_captures(MatchState *ms, const char *s, const char *e) -{ - int i; - int nlevels = (ms->level == 0 && s) ? 1 : ms->level; - luaL_checkstack(ms->L, nlevels, "too many captures"); - for (i = 0; i < nlevels; i++) - push_onecapture(ms, i, s, e); - return nlevels; /* number of strings pushed */ -} - -static ptrdiff_t posrelat(ptrdiff_t pos, size_t len) -{ - /* relative string position: negative means back from end */ - if (pos < 0) pos += (ptrdiff_t)len + 1; - return (pos >= 0) ? pos : 0; -} - -static int str_find_aux(lua_State *L, int find) -{ - size_t l1, l2; - const char *s = luaL_checklstring(L, 1, &l1); - const char *p = luaL_checklstring(L, 2, &l2); - ptrdiff_t init = posrelat(luaL_optinteger(L, 3, 1), l1) - 1; - if (init < 0) - init = 0; - else if ((size_t)(init) > l1) - init = (ptrdiff_t)l1; - if (find && (lua_toboolean(L, 4) || /* explicit request? */ - strpbrk(p, SPECIALS) == NULL)) { /* or no special characters? */ - /* do a plain search */ - const char *s2 = lmemfind(s+init, l1-(size_t)init, p, l2); - if (s2) { - lua_pushinteger(L, s2-s+1); - lua_pushinteger(L, s2-s+(ptrdiff_t)l2); - return 2; - } - } else { - MatchState ms; - int anchor = (*p == '^') ? (p++, 1) : 0; - const char *s1=s+init; - ms.L = L; - ms.src_init = s; - ms.src_end = s+l1; - do { - const char *res; - ms.level = 0; - if ((res=match(&ms, s1, p)) != NULL) { - if (find) { - lua_pushinteger(L, s1-s+1); /* start */ - lua_pushinteger(L, res-s); /* end */ - return push_captures(&ms, NULL, 0) + 2; - } else { - return push_captures(&ms, s1, res); - } - } - } while (s1++ < ms.src_end && !anchor); - } - lua_pushnil(L); /* not found */ - return 1; -} - -LJLIB_CF(string_find) -{ - return str_find_aux(L, 1); -} - -LJLIB_CF(string_match) -{ - return str_find_aux(L, 0); -} - -LJLIB_NOREG LJLIB_CF(string_gmatch_aux) -{ - const char *p = strVdata(lj_lib_upvalue(L, 2)); - GCstr *str = strV(lj_lib_upvalue(L, 1)); - const char *s = strdata(str); - TValue *tvpos = lj_lib_upvalue(L, 3); - const char *src = s + tvpos->u32.lo; - MatchState ms; - ms.L = L; - ms.src_init = s; - ms.src_end = s + str->len; - for (; src <= ms.src_end; src++) { - const char *e; - ms.level = 0; - if ((e = match(&ms, src, p)) != NULL) { - int32_t pos = (int32_t)(e - s); - if (e == src) pos++; /* Ensure progress for empty match. */ - tvpos->u32.lo = (uint32_t)pos; - return push_captures(&ms, src, e); - } - } - return 0; /* not found */ -} - -LJLIB_CF(string_gmatch) -{ - lj_lib_checkstr(L, 1); - lj_lib_checkstr(L, 2); - L->top = L->base+3; - (L->top-1)->u64 = 0; - lj_lib_pushcc(L, lj_cf_string_gmatch_aux, FF_string_gmatch_aux, 3); - return 1; -} - -static void add_s(MatchState *ms, luaL_Buffer *b, const char *s, const char *e) -{ - size_t l, i; - const char *news = lua_tolstring(ms->L, 3, &l); - for (i = 0; i < l; i++) { - if (news[i] != L_ESC) { - luaL_addchar(b, news[i]); - } else { - i++; /* skip ESC */ - if (!lj_char_isdigit(uchar(news[i]))) { - luaL_addchar(b, news[i]); - } else if (news[i] == '0') { - luaL_addlstring(b, s, (size_t)(e - s)); - } else { - push_onecapture(ms, news[i] - '1', s, e); - luaL_addvalue(b); /* add capture to accumulated result */ - } - } - } -} - -static void add_value(MatchState *ms, luaL_Buffer *b, - const char *s, const char *e) -{ - lua_State *L = ms->L; - switch (lua_type(L, 3)) { - case LUA_TNUMBER: - case LUA_TSTRING: { - add_s(ms, b, s, e); - return; - } - case LUA_TFUNCTION: { - int n; - lua_pushvalue(L, 3); - n = push_captures(ms, s, e); - lua_call(L, n, 1); - break; - } - case LUA_TTABLE: { - push_onecapture(ms, 0, s, e); - lua_gettable(L, 3); - break; - } - } - if (!lua_toboolean(L, -1)) { /* nil or false? */ - lua_pop(L, 1); - lua_pushlstring(L, s, (size_t)(e - s)); /* keep original text */ - } else if (!lua_isstring(L, -1)) { - lj_err_callerv(L, LJ_ERR_STRGSRV, luaL_typename(L, -1)); - } - luaL_addvalue(b); /* add result to accumulator */ -} - -LJLIB_CF(string_gsub) -{ - size_t srcl; - const char *src = luaL_checklstring(L, 1, &srcl); - const char *p = luaL_checkstring(L, 2); - int tr = lua_type(L, 3); - int max_s = luaL_optint(L, 4, (int)(srcl+1)); - int anchor = (*p == '^') ? (p++, 1) : 0; - int n = 0; - MatchState ms; - luaL_Buffer b; - if (!(tr == LUA_TNUMBER || tr == LUA_TSTRING || - tr == LUA_TFUNCTION || tr == LUA_TTABLE)) - lj_err_arg(L, 3, LJ_ERR_NOSFT); - luaL_buffinit(L, &b); - ms.L = L; - ms.src_init = src; - ms.src_end = src+srcl; - while (n < max_s) { - const char *e; - ms.level = 0; - e = match(&ms, src, p); - if (e) { - n++; - add_value(&ms, &b, src, e); - } - if (e && e>src) /* non empty match? */ - src = e; /* skip it */ - else if (src < ms.src_end) - luaL_addchar(&b, *src++); - else - break; - if (anchor) - break; - } - luaL_addlstring(&b, src, (size_t)(ms.src_end-src)); - luaL_pushresult(&b); - lua_pushinteger(L, n); /* number of substitutions */ - return 2; -} - -/* ------------------------------------------------------------------------ */ - -/* maximum size of each formatted item (> len(format('%99.99f', -1e308))) */ -#define MAX_FMTITEM 512 -/* valid flags in a format specification */ -#define FMT_FLAGS "-+ #0" -/* -** maximum size of each format specification (such as '%-099.99d') -** (+10 accounts for %99.99x plus margin of error) -*/ -#define MAX_FMTSPEC (sizeof(FMT_FLAGS) + sizeof(LUA_INTFRMLEN) + 10) - -static void addquoted(lua_State *L, luaL_Buffer *b, int arg) -{ - GCstr *str = lj_lib_checkstr(L, arg); - int32_t len = (int32_t)str->len; - const char *s = strdata(str); - luaL_addchar(b, '"'); - while (len--) { - if (*s == '"' || *s == '\\' || *s == '\n') { - luaL_addchar(b, '\\'); - luaL_addchar(b, *s); - } else if (lj_char_iscntrl(uchar(*s))) { - uint32_t c1, c2, c3; - luaL_addchar(b, '\\'); - c1 = uchar(*s); c3 = c1 % 10; c1 /= 10; c2 = c1 % 10; c1 /= 10; - if (c1 + lj_char_isdigit(uchar(s[1]))) luaL_addchar(b, '0' + c1); - if (c2 + (c1 + lj_char_isdigit(uchar(s[1])))) luaL_addchar(b, '0' + c2); - luaL_addchar(b, '0' + c3); - } else { - luaL_addchar(b, *s); - } - s++; - } - luaL_addchar(b, '"'); -} - -static const char *scanformat(lua_State *L, const char *strfrmt, char *form) -{ - const char *p = strfrmt; - while (*p != '\0' && strchr(FMT_FLAGS, *p) != NULL) p++; /* skip flags */ - if ((size_t)(p - strfrmt) >= sizeof(FMT_FLAGS)) - lj_err_caller(L, LJ_ERR_STRFMTR); - if (lj_char_isdigit(uchar(*p))) p++; /* skip width */ - if (lj_char_isdigit(uchar(*p))) p++; /* (2 digits at most) */ - if (*p == '.') { - p++; - if (lj_char_isdigit(uchar(*p))) p++; /* skip precision */ - if (lj_char_isdigit(uchar(*p))) p++; /* (2 digits at most) */ - } - if (lj_char_isdigit(uchar(*p))) - lj_err_caller(L, LJ_ERR_STRFMTW); - *(form++) = '%'; - strncpy(form, strfrmt, (size_t)(p - strfrmt + 1)); - form += p - strfrmt + 1; - *form = '\0'; - return p; -} - -static void addintlen(char *form) -{ - size_t l = strlen(form); - char spec = form[l - 1]; - strcpy(form + l - 1, LUA_INTFRMLEN); - form[l + sizeof(LUA_INTFRMLEN) - 2] = spec; - form[l + sizeof(LUA_INTFRMLEN) - 1] = '\0'; -} - -static unsigned LUA_INTFRM_T num2intfrm(lua_State *L, int arg) -{ - if (sizeof(LUA_INTFRM_T) == 4) { - return (LUA_INTFRM_T)lj_lib_checkbit(L, arg); - } else { - cTValue *o; - lj_lib_checknumber(L, arg); - o = L->base+arg-1; - if (tvisint(o)) - return (LUA_INTFRM_T)intV(o); - else - return (LUA_INTFRM_T)numV(o); - } -} - -static unsigned LUA_INTFRM_T num2uintfrm(lua_State *L, int arg) -{ - if (sizeof(LUA_INTFRM_T) == 4) { - return (unsigned LUA_INTFRM_T)lj_lib_checkbit(L, arg); - } else { - cTValue *o; - lj_lib_checknumber(L, arg); - o = L->base+arg-1; - if (tvisint(o)) - return (unsigned LUA_INTFRM_T)intV(o); - else if ((int32_t)o->u32.hi < 0) - return (unsigned LUA_INTFRM_T)(LUA_INTFRM_T)numV(o); - else - return (unsigned LUA_INTFRM_T)numV(o); - } -} - -LJLIB_CF(string_format) -{ - int arg = 1, top = (int)(L->top - L->base); - GCstr *fmt = lj_lib_checkstr(L, arg); - const char *strfrmt = strdata(fmt); - const char *strfrmt_end = strfrmt + fmt->len; - luaL_Buffer b; - luaL_buffinit(L, &b); - while (strfrmt < strfrmt_end) { - if (*strfrmt != L_ESC) { - luaL_addchar(&b, *strfrmt++); - } else if (*++strfrmt == L_ESC) { - luaL_addchar(&b, *strfrmt++); /* %% */ - } else { /* format item */ - char form[MAX_FMTSPEC]; /* to store the format (`%...') */ - char buff[MAX_FMTITEM]; /* to store the formatted item */ - if (++arg > top) - luaL_argerror(L, arg, lj_obj_typename[0]); - strfrmt = scanformat(L, strfrmt, form); - switch (*strfrmt++) { - case 'c': - sprintf(buff, form, lj_lib_checkint(L, arg)); - break; - case 'd': case 'i': - addintlen(form); - sprintf(buff, form, num2intfrm(L, arg)); - break; - case 'o': case 'u': case 'x': case 'X': - addintlen(form); - sprintf(buff, form, num2uintfrm(L, arg)); - break; - case 'e': case 'E': case 'f': case 'g': case 'G': { - TValue tv; - tv.n = lj_lib_checknum(L, arg); - if (LJ_UNLIKELY((tv.u32.hi << 1) >= 0xffe00000)) { - /* Canonicalize output of non-finite values. */ - char *p, nbuf[LJ_STR_NUMBUF]; - size_t len = lj_str_bufnum(nbuf, &tv); - if (strfrmt[-1] == 'E' || strfrmt[-1] == 'G') { - nbuf[len-3] = nbuf[len-3] - 0x20; - nbuf[len-2] = nbuf[len-2] - 0x20; - nbuf[len-1] = nbuf[len-1] - 0x20; - } - nbuf[len] = '\0'; - for (p = form; *p < 'e' && *p != '.'; p++) ; - *p++ = 's'; *p = '\0'; - sprintf(buff, form, nbuf); - break; - } - sprintf(buff, form, (double)tv.n); - break; - } - case 'q': - addquoted(L, &b, arg); - continue; - case 'p': - lj_str_pushf(L, "%p", lua_topointer(L, arg)); - luaL_addvalue(&b); - continue; - case 's': { - GCstr *str = lj_lib_checkstr(L, arg); - if (!strchr(form, '.') && str->len >= 100) { - /* no precision and string is too long to be formatted; - keep original string */ - setstrV(L, L->top++, str); - luaL_addvalue(&b); - continue; - } - sprintf(buff, form, strdata(str)); - break; - } - default: - lj_err_callerv(L, LJ_ERR_STRFMTO, *(strfrmt -1)); - break; - } - luaL_addlstring(&b, buff, strlen(buff)); - } - } - luaL_pushresult(&b); - return 1; -} - -/* ------------------------------------------------------------------------ */ - -#include "lj_libdef.h" - -LUALIB_API int luaopen_string(lua_State *L) -{ - GCtab *mt; - global_State *g; - LJ_LIB_REG(L, LUA_STRLIBNAME, string); -#if defined(LUA_COMPAT_GFIND) - lua_getfield(L, -1, "gmatch"); - lua_setfield(L, -2, "gfind"); -#endif - mt = lj_tab_new(L, 0, 1); - /* NOBARRIER: basemt is a GC root. */ - g = G(L); - setgcref(basemt_it(g, LJ_TSTR), obj2gco(mt)); - settabV(L, lj_tab_setstr(L, mt, mmname_str(g, MM_index)), tabV(L->top-1)); - mt->nomm = (uint8_t)(~(1u<top, func); - setintV(L->top+1, i); - val = lj_tab_getint(t, (int32_t)i); - if (val) { copyTV(L, L->top+2, val); } else { setnilV(L->top+2); } - L->top += 3; - lua_call(L, 2, 1); - if (!tvisnil(L->top-1)) - return 1; - L->top--; - } - return 0; -} - -LJLIB_CF(table_foreach) -{ - GCtab *t = lj_lib_checktab(L, 1); - GCfunc *func = lj_lib_checkfunc(L, 2); - L->top = L->base+3; - setnilV(L->top-1); - while (lj_tab_next(L, t, L->top-1)) { - copyTV(L, L->top+2, L->top); - copyTV(L, L->top+1, L->top-1); - setfuncV(L, L->top, func); - L->top += 3; - lua_call(L, 2, 1); - if (!tvisnil(L->top-1)) - return 1; - L->top--; - } - return 0; -} - -LJLIB_ASM(table_getn) LJLIB_REC(.) -{ - lj_lib_checktab(L, 1); - return FFH_UNREACHABLE; -} - -LJLIB_CF(table_maxn) -{ - GCtab *t = lj_lib_checktab(L, 1); - TValue *array = tvref(t->array); - Node *node; - lua_Number m = 0; - ptrdiff_t i; - for (i = (ptrdiff_t)t->asize - 1; i >= 0; i--) - if (!tvisnil(&array[i])) { - m = (lua_Number)(int32_t)i; - break; - } - node = noderef(t->node); - for (i = (ptrdiff_t)t->hmask; i >= 0; i--) - if (!tvisnil(&node[i].val) && tvisnumber(&node[i].key)) { - lua_Number n = numberVnum(&node[i].key); - if (n > m) m = n; - } - setnumV(L->top-1, m); - return 1; -} - -LJLIB_CF(table_insert) LJLIB_REC(.) -{ - GCtab *t = lj_lib_checktab(L, 1); - int32_t n, i = (int32_t)lj_tab_len(t) + 1; - int nargs = (int)((char *)L->top - (char *)L->base); - if (nargs != 2*sizeof(TValue)) { - if (nargs != 3*sizeof(TValue)) - lj_err_caller(L, LJ_ERR_TABINS); - /* NOBARRIER: This just moves existing elements around. */ - for (n = lj_lib_checkint(L, 2); i > n; i--) { - /* The set may invalidate the get pointer, so need to do it first! */ - TValue *dst = lj_tab_setint(L, t, i); - cTValue *src = lj_tab_getint(t, i-1); - if (src) { - copyTV(L, dst, src); - } else { - setnilV(dst); - } - } - i = n; - } - { - TValue *dst = lj_tab_setint(L, t, i); - copyTV(L, dst, L->top-1); /* Set new value. */ - lj_gc_barriert(L, t, dst); - } - return 0; -} - -LJLIB_CF(table_remove) LJLIB_REC(.) -{ - GCtab *t = lj_lib_checktab(L, 1); - int32_t e = (int32_t)lj_tab_len(t); - int32_t pos = lj_lib_optint(L, 2, e); - if (!(1 <= pos && pos <= e)) /* Nothing to remove? */ - return 0; - lua_rawgeti(L, 1, pos); /* Get previous value. */ - /* NOBARRIER: This just moves existing elements around. */ - for (; pos < e; pos++) { - cTValue *src = lj_tab_getint(t, pos+1); - TValue *dst = lj_tab_setint(L, t, pos); - if (src) { - copyTV(L, dst, src); - } else { - setnilV(dst); - } - } - setnilV(lj_tab_setint(L, t, e)); /* Remove (last) value. */ - return 1; /* Return previous value. */ -} - -LJLIB_CF(table_concat) -{ - luaL_Buffer b; - GCtab *t = lj_lib_checktab(L, 1); - GCstr *sep = lj_lib_optstr(L, 2); - MSize seplen = sep ? sep->len : 0; - int32_t i = lj_lib_optint(L, 3, 1); - int32_t e = L->base+3 < L->top ? lj_lib_checkint(L, 4) : - (int32_t)lj_tab_len(t); - luaL_buffinit(L, &b); - if (i <= e) { - for (;;) { - cTValue *o; - lua_rawgeti(L, 1, i); - o = L->top-1; - if (!(tvisstr(o) || tvisnumber(o))) - lj_err_callerv(L, LJ_ERR_TABCAT, typename(o), i); - luaL_addvalue(&b); - if (i++ == e) break; - if (seplen) - luaL_addlstring(&b, strdata(sep), seplen); - } - } - luaL_pushresult(&b); - return 1; -} - -/* ------------------------------------------------------------------------ */ - -static void set2(lua_State *L, int i, int j) -{ - lua_rawseti(L, 1, i); - lua_rawseti(L, 1, j); -} - -static int sort_comp(lua_State *L, int a, int b) -{ - if (!lua_isnil(L, 2)) { /* function? */ - int res; - lua_pushvalue(L, 2); - lua_pushvalue(L, a-1); /* -1 to compensate function */ - lua_pushvalue(L, b-2); /* -2 to compensate function and `a' */ - lua_call(L, 2, 1); - res = lua_toboolean(L, -1); - lua_pop(L, 1); - return res; - } else { /* a < b? */ - return lua_lessthan(L, a, b); - } -} - -static void auxsort(lua_State *L, int l, int u) -{ - while (l < u) { /* for tail recursion */ - int i, j; - /* sort elements a[l], a[(l+u)/2] and a[u] */ - lua_rawgeti(L, 1, l); - lua_rawgeti(L, 1, u); - if (sort_comp(L, -1, -2)) /* a[u] < a[l]? */ - set2(L, l, u); /* swap a[l] - a[u] */ - else - lua_pop(L, 2); - if (u-l == 1) break; /* only 2 elements */ - i = (l+u)/2; - lua_rawgeti(L, 1, i); - lua_rawgeti(L, 1, l); - if (sort_comp(L, -2, -1)) { /* a[i]= P */ - while (lua_rawgeti(L, 1, ++i), sort_comp(L, -1, -2)) { - if (i>=u) lj_err_caller(L, LJ_ERR_TABSORT); - lua_pop(L, 1); /* remove a[i] */ - } - /* repeat --j until a[j] <= P */ - while (lua_rawgeti(L, 1, --j), sort_comp(L, -3, -1)) { - if (j<=l) lj_err_caller(L, LJ_ERR_TABSORT); - lua_pop(L, 1); /* remove a[j] */ - } - if (jbase+1)) - lj_lib_checkfunc(L, 2); - auxsort(L, 1, n); - return 0; -} - -/* ------------------------------------------------------------------------ */ - -#include "lj_libdef.h" - -LUALIB_API int luaopen_table(lua_State *L) -{ - LJ_LIB_REG(L, LUA_TABLIBNAME, table); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - lua_getglobal(L, "unpack"); - lua_setfield(L, -2, "unpack"); -#endif - return 1; -} - diff --git a/libraries/luajit-2.0/src/libluajit-5.1.so.2 b/libraries/luajit-2.0/src/libluajit-5.1.so.2 deleted file mode 120000 index deaddec..0000000 --- a/libraries/luajit-2.0/src/libluajit-5.1.so.2 +++ /dev/null @@ -1 +0,0 @@ -libluajit.so \ No newline at end of file diff --git a/libraries/luajit-2.0/src/lj.supp b/libraries/luajit-2.0/src/lj.supp deleted file mode 100644 index f1126ad..0000000 --- a/libraries/luajit-2.0/src/lj.supp +++ /dev/null @@ -1,16 +0,0 @@ -# Valgrind suppression file for LuaJIT 2.x. -{ - Optimized string compare - Memcheck:Addr4 - fun:lj_str_cmp -} -{ - Optimized string compare - Memcheck:Addr4 - fun:lj_str_new -} -{ - Optimized string compare - Memcheck:Cond - fun:lj_str_new -} diff --git a/libraries/luajit-2.0/src/lj_alloc.c b/libraries/luajit-2.0/src/lj_alloc.c deleted file mode 100644 index c1aac00..0000000 --- a/libraries/luajit-2.0/src/lj_alloc.c +++ /dev/null @@ -1,1381 +0,0 @@ -/* -** Bundled memory allocator. -** -** Beware: this is a HEAVILY CUSTOMIZED version of dlmalloc. -** The original bears the following remark: -** -** This is a version (aka dlmalloc) of malloc/free/realloc written by -** Doug Lea and released to the public domain, as explained at -** http://creativecommons.org/licenses/publicdomain. -** -** * Version pre-2.8.4 Wed Mar 29 19:46:29 2006 (dl at gee) -** -** No additional copyright is claimed over the customizations. -** Please do NOT bother the original author about this version here! -** -** If you want to use dlmalloc in another project, you should get -** the original from: ftp://gee.cs.oswego.edu/pub/misc/ -** For thread-safe derivatives, take a look at: -** - ptmalloc: http://www.malloc.de/ -** - nedmalloc: http://www.nedprod.com/programs/portable/nedmalloc/ -*/ - -#define lj_alloc_c -#define LUA_CORE - -/* To get the mremap prototype. Must be defined before any system includes. */ -#if defined(__linux__) && !defined(_GNU_SOURCE) -#define _GNU_SOURCE -#endif - -#include "lj_def.h" -#include "lj_arch.h" -#include "lj_alloc.h" - -#ifndef LUAJIT_USE_SYSMALLOC - -#define MAX_SIZE_T (~(size_t)0) -#define MALLOC_ALIGNMENT ((size_t)8U) - -#define DEFAULT_GRANULARITY ((size_t)128U * (size_t)1024U) -#define DEFAULT_TRIM_THRESHOLD ((size_t)2U * (size_t)1024U * (size_t)1024U) -#define DEFAULT_MMAP_THRESHOLD ((size_t)128U * (size_t)1024U) -#define MAX_RELEASE_CHECK_RATE 255 - -/* ------------------- size_t and alignment properties -------------------- */ - -/* The byte and bit size of a size_t */ -#define SIZE_T_SIZE (sizeof(size_t)) -#define SIZE_T_BITSIZE (sizeof(size_t) << 3) - -/* Some constants coerced to size_t */ -/* Annoying but necessary to avoid errors on some platforms */ -#define SIZE_T_ZERO ((size_t)0) -#define SIZE_T_ONE ((size_t)1) -#define SIZE_T_TWO ((size_t)2) -#define TWO_SIZE_T_SIZES (SIZE_T_SIZE<<1) -#define FOUR_SIZE_T_SIZES (SIZE_T_SIZE<<2) -#define SIX_SIZE_T_SIZES (FOUR_SIZE_T_SIZES+TWO_SIZE_T_SIZES) - -/* The bit mask value corresponding to MALLOC_ALIGNMENT */ -#define CHUNK_ALIGN_MASK (MALLOC_ALIGNMENT - SIZE_T_ONE) - -/* the number of bytes to offset an address to align it */ -#define align_offset(A)\ - ((((size_t)(A) & CHUNK_ALIGN_MASK) == 0)? 0 :\ - ((MALLOC_ALIGNMENT - ((size_t)(A) & CHUNK_ALIGN_MASK)) & CHUNK_ALIGN_MASK)) - -/* -------------------------- MMAP support ------------------------------- */ - -#define MFAIL ((void *)(MAX_SIZE_T)) -#define CMFAIL ((char *)(MFAIL)) /* defined for convenience */ - -#define IS_DIRECT_BIT (SIZE_T_ONE) - -#if LJ_TARGET_WINDOWS - -#define WIN32_LEAN_AND_MEAN -#include - -#if LJ_64 - -/* Undocumented, but hey, that's what we all love so much about Windows. */ -typedef long (*PNTAVM)(HANDLE handle, void **addr, ULONG zbits, - size_t *size, ULONG alloctype, ULONG prot); -static PNTAVM ntavm; - -/* Number of top bits of the lower 32 bits of an address that must be zero. -** Apparently 0 gives us full 64 bit addresses and 1 gives us the lower 2GB. -*/ -#define NTAVM_ZEROBITS 1 - -static void INIT_MMAP(void) -{ - ntavm = (PNTAVM)GetProcAddress(GetModuleHandleA("ntdll.dll"), - "NtAllocateVirtualMemory"); -} - -/* Win64 32 bit MMAP via NtAllocateVirtualMemory. */ -static LJ_AINLINE void *CALL_MMAP(size_t size) -{ - DWORD olderr = GetLastError(); - void *ptr = NULL; - long st = ntavm(INVALID_HANDLE_VALUE, &ptr, NTAVM_ZEROBITS, &size, - MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE); - SetLastError(olderr); - return st == 0 ? ptr : MFAIL; -} - -/* For direct MMAP, use MEM_TOP_DOWN to minimize interference */ -static LJ_AINLINE void *DIRECT_MMAP(size_t size) -{ - DWORD olderr = GetLastError(); - void *ptr = NULL; - long st = ntavm(INVALID_HANDLE_VALUE, &ptr, NTAVM_ZEROBITS, &size, - MEM_RESERVE|MEM_COMMIT|MEM_TOP_DOWN, PAGE_READWRITE); - SetLastError(olderr); - return st == 0 ? ptr : MFAIL; -} - -#else - -#define INIT_MMAP() ((void)0) - -/* Win32 MMAP via VirtualAlloc */ -static LJ_AINLINE void *CALL_MMAP(size_t size) -{ - DWORD olderr = GetLastError(); - void *ptr = VirtualAlloc(0, size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE); - SetLastError(olderr); - return ptr ? ptr : MFAIL; -} - -/* For direct MMAP, use MEM_TOP_DOWN to minimize interference */ -static LJ_AINLINE void *DIRECT_MMAP(size_t size) -{ - DWORD olderr = GetLastError(); - void *ptr = VirtualAlloc(0, size, MEM_RESERVE|MEM_COMMIT|MEM_TOP_DOWN, - PAGE_READWRITE); - SetLastError(olderr); - return ptr ? ptr : MFAIL; -} - -#endif - -/* This function supports releasing coalesed segments */ -static LJ_AINLINE int CALL_MUNMAP(void *ptr, size_t size) -{ - DWORD olderr = GetLastError(); - MEMORY_BASIC_INFORMATION minfo; - char *cptr = (char *)ptr; - while (size) { - if (VirtualQuery(cptr, &minfo, sizeof(minfo)) == 0) - return -1; - if (minfo.BaseAddress != cptr || minfo.AllocationBase != cptr || - minfo.State != MEM_COMMIT || minfo.RegionSize > size) - return -1; - if (VirtualFree(cptr, 0, MEM_RELEASE) == 0) - return -1; - cptr += minfo.RegionSize; - size -= minfo.RegionSize; - } - SetLastError(olderr); - return 0; -} - -#else - -#include -#include - -#define MMAP_PROT (PROT_READ|PROT_WRITE) -#if !defined(MAP_ANONYMOUS) && defined(MAP_ANON) -#define MAP_ANONYMOUS MAP_ANON -#endif -#define MMAP_FLAGS (MAP_PRIVATE|MAP_ANONYMOUS) - -#if LJ_64 -/* 64 bit mode needs special support for allocating memory in the lower 2GB. */ - -#if LJ_TARGET_LINUX - -/* Actually this only gives us max. 1GB in current Linux kernels. */ -static LJ_AINLINE void *CALL_MMAP(size_t size) -{ - int olderr = errno; - void *ptr = mmap(NULL, size, MMAP_PROT, MAP_32BIT|MMAP_FLAGS, -1, 0); - errno = olderr; - return ptr; -} - -#elif LJ_TARGET_OSX || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - -/* OSX and FreeBSD mmap() use a naive first-fit linear search. -** That's perfect for us. Except that -pagezero_size must be set for OSX, -** otherwise the lower 4GB are blocked. And the 32GB RLIMIT_DATA needs -** to be reduced to 250MB on FreeBSD. -*/ -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) -#include -#define MMAP_REGION_START ((uintptr_t)0x10000000) -#else -#define MMAP_REGION_START ((uintptr_t)0x10000) -#endif -#define MMAP_REGION_END ((uintptr_t)0x80000000) - -static LJ_AINLINE void *CALL_MMAP(size_t size) -{ - int olderr = errno; - /* Hint for next allocation. Doesn't need to be thread-safe. */ - static uintptr_t alloc_hint = MMAP_REGION_START; - int retry = 0; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - static int rlimit_modified = 0; - if (LJ_UNLIKELY(rlimit_modified == 0)) { - struct rlimit rlim; - rlim.rlim_cur = rlim.rlim_max = MMAP_REGION_START; - setrlimit(RLIMIT_DATA, &rlim); /* Ignore result. May fail below. */ - rlimit_modified = 1; - } -#endif - for (;;) { - void *p = mmap((void *)alloc_hint, size, MMAP_PROT, MMAP_FLAGS, -1, 0); - if ((uintptr_t)p >= MMAP_REGION_START && - (uintptr_t)p + size < MMAP_REGION_END) { - alloc_hint = (uintptr_t)p + size; - errno = olderr; - return p; - } - if (p != CMFAIL) munmap(p, size); - if (retry) break; - retry = 1; - alloc_hint = MMAP_REGION_START; - } - errno = olderr; - return CMFAIL; -} - -#else - -#error "NYI: need an equivalent of MAP_32BIT for this 64 bit OS" - -#endif - -#else - -/* 32 bit mode is easy. */ -static LJ_AINLINE void *CALL_MMAP(size_t size) -{ - int olderr = errno; - void *ptr = mmap(NULL, size, MMAP_PROT, MMAP_FLAGS, -1, 0); - errno = olderr; - return ptr; -} - -#endif - -#define INIT_MMAP() ((void)0) -#define DIRECT_MMAP(s) CALL_MMAP(s) - -static LJ_AINLINE int CALL_MUNMAP(void *ptr, size_t size) -{ - int olderr = errno; - int ret = munmap(ptr, size); - errno = olderr; - return ret; -} - -#if LJ_TARGET_LINUX -/* Need to define _GNU_SOURCE to get the mremap prototype. */ -static LJ_AINLINE void *CALL_MREMAP_(void *ptr, size_t osz, size_t nsz, - int flags) -{ - int olderr = errno; - ptr = mremap(ptr, osz, nsz, flags); - errno = olderr; - return ptr; -} - -#define CALL_MREMAP(addr, osz, nsz, mv) CALL_MREMAP_((addr), (osz), (nsz), (mv)) -#define CALL_MREMAP_NOMOVE 0 -#define CALL_MREMAP_MAYMOVE 1 -#if LJ_64 -#define CALL_MREMAP_MV CALL_MREMAP_NOMOVE -#else -#define CALL_MREMAP_MV CALL_MREMAP_MAYMOVE -#endif -#endif - -#endif - -#ifndef CALL_MREMAP -#define CALL_MREMAP(addr, osz, nsz, mv) ((void)osz, MFAIL) -#endif - -/* ----------------------- Chunk representations ------------------------ */ - -struct malloc_chunk { - size_t prev_foot; /* Size of previous chunk (if free). */ - size_t head; /* Size and inuse bits. */ - struct malloc_chunk *fd; /* double links -- used only if free. */ - struct malloc_chunk *bk; -}; - -typedef struct malloc_chunk mchunk; -typedef struct malloc_chunk *mchunkptr; -typedef struct malloc_chunk *sbinptr; /* The type of bins of chunks */ -typedef size_t bindex_t; /* Described below */ -typedef unsigned int binmap_t; /* Described below */ -typedef unsigned int flag_t; /* The type of various bit flag sets */ - -/* ------------------- Chunks sizes and alignments ----------------------- */ - -#define MCHUNK_SIZE (sizeof(mchunk)) - -#define CHUNK_OVERHEAD (SIZE_T_SIZE) - -/* Direct chunks need a second word of overhead ... */ -#define DIRECT_CHUNK_OVERHEAD (TWO_SIZE_T_SIZES) -/* ... and additional padding for fake next-chunk at foot */ -#define DIRECT_FOOT_PAD (FOUR_SIZE_T_SIZES) - -/* The smallest size we can malloc is an aligned minimal chunk */ -#define MIN_CHUNK_SIZE\ - ((MCHUNK_SIZE + CHUNK_ALIGN_MASK) & ~CHUNK_ALIGN_MASK) - -/* conversion from malloc headers to user pointers, and back */ -#define chunk2mem(p) ((void *)((char *)(p) + TWO_SIZE_T_SIZES)) -#define mem2chunk(mem) ((mchunkptr)((char *)(mem) - TWO_SIZE_T_SIZES)) -/* chunk associated with aligned address A */ -#define align_as_chunk(A) (mchunkptr)((A) + align_offset(chunk2mem(A))) - -/* Bounds on request (not chunk) sizes. */ -#define MAX_REQUEST ((~MIN_CHUNK_SIZE+1) << 2) -#define MIN_REQUEST (MIN_CHUNK_SIZE - CHUNK_OVERHEAD - SIZE_T_ONE) - -/* pad request bytes into a usable size */ -#define pad_request(req) \ - (((req) + CHUNK_OVERHEAD + CHUNK_ALIGN_MASK) & ~CHUNK_ALIGN_MASK) - -/* pad request, checking for minimum (but not maximum) */ -#define request2size(req) \ - (((req) < MIN_REQUEST)? MIN_CHUNK_SIZE : pad_request(req)) - -/* ------------------ Operations on head and foot fields ----------------- */ - -#define PINUSE_BIT (SIZE_T_ONE) -#define CINUSE_BIT (SIZE_T_TWO) -#define INUSE_BITS (PINUSE_BIT|CINUSE_BIT) - -/* Head value for fenceposts */ -#define FENCEPOST_HEAD (INUSE_BITS|SIZE_T_SIZE) - -/* extraction of fields from head words */ -#define cinuse(p) ((p)->head & CINUSE_BIT) -#define pinuse(p) ((p)->head & PINUSE_BIT) -#define chunksize(p) ((p)->head & ~(INUSE_BITS)) - -#define clear_pinuse(p) ((p)->head &= ~PINUSE_BIT) -#define clear_cinuse(p) ((p)->head &= ~CINUSE_BIT) - -/* Treat space at ptr +/- offset as a chunk */ -#define chunk_plus_offset(p, s) ((mchunkptr)(((char *)(p)) + (s))) -#define chunk_minus_offset(p, s) ((mchunkptr)(((char *)(p)) - (s))) - -/* Ptr to next or previous physical malloc_chunk. */ -#define next_chunk(p) ((mchunkptr)(((char *)(p)) + ((p)->head & ~INUSE_BITS))) -#define prev_chunk(p) ((mchunkptr)(((char *)(p)) - ((p)->prev_foot) )) - -/* extract next chunk's pinuse bit */ -#define next_pinuse(p) ((next_chunk(p)->head) & PINUSE_BIT) - -/* Get/set size at footer */ -#define get_foot(p, s) (((mchunkptr)((char *)(p) + (s)))->prev_foot) -#define set_foot(p, s) (((mchunkptr)((char *)(p) + (s)))->prev_foot = (s)) - -/* Set size, pinuse bit, and foot */ -#define set_size_and_pinuse_of_free_chunk(p, s)\ - ((p)->head = (s|PINUSE_BIT), set_foot(p, s)) - -/* Set size, pinuse bit, foot, and clear next pinuse */ -#define set_free_with_pinuse(p, s, n)\ - (clear_pinuse(n), set_size_and_pinuse_of_free_chunk(p, s)) - -#define is_direct(p)\ - (!((p)->head & PINUSE_BIT) && ((p)->prev_foot & IS_DIRECT_BIT)) - -/* Get the internal overhead associated with chunk p */ -#define overhead_for(p)\ - (is_direct(p)? DIRECT_CHUNK_OVERHEAD : CHUNK_OVERHEAD) - -/* ---------------------- Overlaid data structures ----------------------- */ - -struct malloc_tree_chunk { - /* The first four fields must be compatible with malloc_chunk */ - size_t prev_foot; - size_t head; - struct malloc_tree_chunk *fd; - struct malloc_tree_chunk *bk; - - struct malloc_tree_chunk *child[2]; - struct malloc_tree_chunk *parent; - bindex_t index; -}; - -typedef struct malloc_tree_chunk tchunk; -typedef struct malloc_tree_chunk *tchunkptr; -typedef struct malloc_tree_chunk *tbinptr; /* The type of bins of trees */ - -/* A little helper macro for trees */ -#define leftmost_child(t) ((t)->child[0] != 0? (t)->child[0] : (t)->child[1]) - -/* ----------------------------- Segments -------------------------------- */ - -struct malloc_segment { - char *base; /* base address */ - size_t size; /* allocated size */ - struct malloc_segment *next; /* ptr to next segment */ -}; - -typedef struct malloc_segment msegment; -typedef struct malloc_segment *msegmentptr; - -/* ---------------------------- malloc_state ----------------------------- */ - -/* Bin types, widths and sizes */ -#define NSMALLBINS (32U) -#define NTREEBINS (32U) -#define SMALLBIN_SHIFT (3U) -#define SMALLBIN_WIDTH (SIZE_T_ONE << SMALLBIN_SHIFT) -#define TREEBIN_SHIFT (8U) -#define MIN_LARGE_SIZE (SIZE_T_ONE << TREEBIN_SHIFT) -#define MAX_SMALL_SIZE (MIN_LARGE_SIZE - SIZE_T_ONE) -#define MAX_SMALL_REQUEST (MAX_SMALL_SIZE - CHUNK_ALIGN_MASK - CHUNK_OVERHEAD) - -struct malloc_state { - binmap_t smallmap; - binmap_t treemap; - size_t dvsize; - size_t topsize; - mchunkptr dv; - mchunkptr top; - size_t trim_check; - size_t release_checks; - mchunkptr smallbins[(NSMALLBINS+1)*2]; - tbinptr treebins[NTREEBINS]; - msegment seg; -}; - -typedef struct malloc_state *mstate; - -#define is_initialized(M) ((M)->top != 0) - -/* -------------------------- system alloc setup ------------------------- */ - -/* page-align a size */ -#define page_align(S)\ - (((S) + (LJ_PAGESIZE - SIZE_T_ONE)) & ~(LJ_PAGESIZE - SIZE_T_ONE)) - -/* granularity-align a size */ -#define granularity_align(S)\ - (((S) + (DEFAULT_GRANULARITY - SIZE_T_ONE))\ - & ~(DEFAULT_GRANULARITY - SIZE_T_ONE)) - -#if LJ_TARGET_WINDOWS -#define mmap_align(S) granularity_align(S) -#else -#define mmap_align(S) page_align(S) -#endif - -/* True if segment S holds address A */ -#define segment_holds(S, A)\ - ((char *)(A) >= S->base && (char *)(A) < S->base + S->size) - -/* Return segment holding given address */ -static msegmentptr segment_holding(mstate m, char *addr) -{ - msegmentptr sp = &m->seg; - for (;;) { - if (addr >= sp->base && addr < sp->base + sp->size) - return sp; - if ((sp = sp->next) == 0) - return 0; - } -} - -/* Return true if segment contains a segment link */ -static int has_segment_link(mstate m, msegmentptr ss) -{ - msegmentptr sp = &m->seg; - for (;;) { - if ((char *)sp >= ss->base && (char *)sp < ss->base + ss->size) - return 1; - if ((sp = sp->next) == 0) - return 0; - } -} - -/* - TOP_FOOT_SIZE is padding at the end of a segment, including space - that may be needed to place segment records and fenceposts when new - noncontiguous segments are added. -*/ -#define TOP_FOOT_SIZE\ - (align_offset(chunk2mem(0))+pad_request(sizeof(struct malloc_segment))+MIN_CHUNK_SIZE) - -/* ---------------------------- Indexing Bins ---------------------------- */ - -#define is_small(s) (((s) >> SMALLBIN_SHIFT) < NSMALLBINS) -#define small_index(s) ((s) >> SMALLBIN_SHIFT) -#define small_index2size(i) ((i) << SMALLBIN_SHIFT) -#define MIN_SMALL_INDEX (small_index(MIN_CHUNK_SIZE)) - -/* addressing by index. See above about smallbin repositioning */ -#define smallbin_at(M, i) ((sbinptr)((char *)&((M)->smallbins[(i)<<1]))) -#define treebin_at(M,i) (&((M)->treebins[i])) - -/* assign tree index for size S to variable I */ -#define compute_tree_index(S, I)\ -{\ - unsigned int X = (unsigned int)(S >> TREEBIN_SHIFT);\ - if (X == 0) {\ - I = 0;\ - } else if (X > 0xFFFF) {\ - I = NTREEBINS-1;\ - } else {\ - unsigned int K = lj_fls(X);\ - I = (bindex_t)((K << 1) + ((S >> (K + (TREEBIN_SHIFT-1)) & 1)));\ - }\ -} - -/* Bit representing maximum resolved size in a treebin at i */ -#define bit_for_tree_index(i) \ - (i == NTREEBINS-1)? (SIZE_T_BITSIZE-1) : (((i) >> 1) + TREEBIN_SHIFT - 2) - -/* Shift placing maximum resolved bit in a treebin at i as sign bit */ -#define leftshift_for_tree_index(i) \ - ((i == NTREEBINS-1)? 0 : \ - ((SIZE_T_BITSIZE-SIZE_T_ONE) - (((i) >> 1) + TREEBIN_SHIFT - 2))) - -/* The size of the smallest chunk held in bin with index i */ -#define minsize_for_tree_index(i) \ - ((SIZE_T_ONE << (((i) >> 1) + TREEBIN_SHIFT)) | \ - (((size_t)((i) & SIZE_T_ONE)) << (((i) >> 1) + TREEBIN_SHIFT - 1))) - -/* ------------------------ Operations on bin maps ----------------------- */ - -/* bit corresponding to given index */ -#define idx2bit(i) ((binmap_t)(1) << (i)) - -/* Mark/Clear bits with given index */ -#define mark_smallmap(M,i) ((M)->smallmap |= idx2bit(i)) -#define clear_smallmap(M,i) ((M)->smallmap &= ~idx2bit(i)) -#define smallmap_is_marked(M,i) ((M)->smallmap & idx2bit(i)) - -#define mark_treemap(M,i) ((M)->treemap |= idx2bit(i)) -#define clear_treemap(M,i) ((M)->treemap &= ~idx2bit(i)) -#define treemap_is_marked(M,i) ((M)->treemap & idx2bit(i)) - -/* mask with all bits to left of least bit of x on */ -#define left_bits(x) ((x<<1) | (~(x<<1)+1)) - -/* Set cinuse bit and pinuse bit of next chunk */ -#define set_inuse(M,p,s)\ - ((p)->head = (((p)->head & PINUSE_BIT)|s|CINUSE_BIT),\ - ((mchunkptr)(((char *)(p)) + (s)))->head |= PINUSE_BIT) - -/* Set cinuse and pinuse of this chunk and pinuse of next chunk */ -#define set_inuse_and_pinuse(M,p,s)\ - ((p)->head = (s|PINUSE_BIT|CINUSE_BIT),\ - ((mchunkptr)(((char *)(p)) + (s)))->head |= PINUSE_BIT) - -/* Set size, cinuse and pinuse bit of this chunk */ -#define set_size_and_pinuse_of_inuse_chunk(M, p, s)\ - ((p)->head = (s|PINUSE_BIT|CINUSE_BIT)) - -/* ----------------------- Operations on smallbins ----------------------- */ - -/* Link a free chunk into a smallbin */ -#define insert_small_chunk(M, P, S) {\ - bindex_t I = small_index(S);\ - mchunkptr B = smallbin_at(M, I);\ - mchunkptr F = B;\ - if (!smallmap_is_marked(M, I))\ - mark_smallmap(M, I);\ - else\ - F = B->fd;\ - B->fd = P;\ - F->bk = P;\ - P->fd = F;\ - P->bk = B;\ -} - -/* Unlink a chunk from a smallbin */ -#define unlink_small_chunk(M, P, S) {\ - mchunkptr F = P->fd;\ - mchunkptr B = P->bk;\ - bindex_t I = small_index(S);\ - if (F == B) {\ - clear_smallmap(M, I);\ - } else {\ - F->bk = B;\ - B->fd = F;\ - }\ -} - -/* Unlink the first chunk from a smallbin */ -#define unlink_first_small_chunk(M, B, P, I) {\ - mchunkptr F = P->fd;\ - if (B == F) {\ - clear_smallmap(M, I);\ - } else {\ - B->fd = F;\ - F->bk = B;\ - }\ -} - -/* Replace dv node, binning the old one */ -/* Used only when dvsize known to be small */ -#define replace_dv(M, P, S) {\ - size_t DVS = M->dvsize;\ - if (DVS != 0) {\ - mchunkptr DV = M->dv;\ - insert_small_chunk(M, DV, DVS);\ - }\ - M->dvsize = S;\ - M->dv = P;\ -} - -/* ------------------------- Operations on trees ------------------------- */ - -/* Insert chunk into tree */ -#define insert_large_chunk(M, X, S) {\ - tbinptr *H;\ - bindex_t I;\ - compute_tree_index(S, I);\ - H = treebin_at(M, I);\ - X->index = I;\ - X->child[0] = X->child[1] = 0;\ - if (!treemap_is_marked(M, I)) {\ - mark_treemap(M, I);\ - *H = X;\ - X->parent = (tchunkptr)H;\ - X->fd = X->bk = X;\ - } else {\ - tchunkptr T = *H;\ - size_t K = S << leftshift_for_tree_index(I);\ - for (;;) {\ - if (chunksize(T) != S) {\ - tchunkptr *C = &(T->child[(K >> (SIZE_T_BITSIZE-SIZE_T_ONE)) & 1]);\ - K <<= 1;\ - if (*C != 0) {\ - T = *C;\ - } else {\ - *C = X;\ - X->parent = T;\ - X->fd = X->bk = X;\ - break;\ - }\ - } else {\ - tchunkptr F = T->fd;\ - T->fd = F->bk = X;\ - X->fd = F;\ - X->bk = T;\ - X->parent = 0;\ - break;\ - }\ - }\ - }\ -} - -#define unlink_large_chunk(M, X) {\ - tchunkptr XP = X->parent;\ - tchunkptr R;\ - if (X->bk != X) {\ - tchunkptr F = X->fd;\ - R = X->bk;\ - F->bk = R;\ - R->fd = F;\ - } else {\ - tchunkptr *RP;\ - if (((R = *(RP = &(X->child[1]))) != 0) ||\ - ((R = *(RP = &(X->child[0]))) != 0)) {\ - tchunkptr *CP;\ - while ((*(CP = &(R->child[1])) != 0) ||\ - (*(CP = &(R->child[0])) != 0)) {\ - R = *(RP = CP);\ - }\ - *RP = 0;\ - }\ - }\ - if (XP != 0) {\ - tbinptr *H = treebin_at(M, X->index);\ - if (X == *H) {\ - if ((*H = R) == 0) \ - clear_treemap(M, X->index);\ - } else {\ - if (XP->child[0] == X) \ - XP->child[0] = R;\ - else \ - XP->child[1] = R;\ - }\ - if (R != 0) {\ - tchunkptr C0, C1;\ - R->parent = XP;\ - if ((C0 = X->child[0]) != 0) {\ - R->child[0] = C0;\ - C0->parent = R;\ - }\ - if ((C1 = X->child[1]) != 0) {\ - R->child[1] = C1;\ - C1->parent = R;\ - }\ - }\ - }\ -} - -/* Relays to large vs small bin operations */ - -#define insert_chunk(M, P, S)\ - if (is_small(S)) { insert_small_chunk(M, P, S)\ - } else { tchunkptr TP = (tchunkptr)(P); insert_large_chunk(M, TP, S); } - -#define unlink_chunk(M, P, S)\ - if (is_small(S)) { unlink_small_chunk(M, P, S)\ - } else { tchunkptr TP = (tchunkptr)(P); unlink_large_chunk(M, TP); } - -/* ----------------------- Direct-mmapping chunks ----------------------- */ - -static void *direct_alloc(size_t nb) -{ - size_t mmsize = mmap_align(nb + SIX_SIZE_T_SIZES + CHUNK_ALIGN_MASK); - if (LJ_LIKELY(mmsize > nb)) { /* Check for wrap around 0 */ - char *mm = (char *)(DIRECT_MMAP(mmsize)); - if (mm != CMFAIL) { - size_t offset = align_offset(chunk2mem(mm)); - size_t psize = mmsize - offset - DIRECT_FOOT_PAD; - mchunkptr p = (mchunkptr)(mm + offset); - p->prev_foot = offset | IS_DIRECT_BIT; - p->head = psize|CINUSE_BIT; - chunk_plus_offset(p, psize)->head = FENCEPOST_HEAD; - chunk_plus_offset(p, psize+SIZE_T_SIZE)->head = 0; - return chunk2mem(p); - } - } - return NULL; -} - -static mchunkptr direct_resize(mchunkptr oldp, size_t nb) -{ - size_t oldsize = chunksize(oldp); - if (is_small(nb)) /* Can't shrink direct regions below small size */ - return NULL; - /* Keep old chunk if big enough but not too big */ - if (oldsize >= nb + SIZE_T_SIZE && - (oldsize - nb) <= (DEFAULT_GRANULARITY << 1)) { - return oldp; - } else { - size_t offset = oldp->prev_foot & ~IS_DIRECT_BIT; - size_t oldmmsize = oldsize + offset + DIRECT_FOOT_PAD; - size_t newmmsize = mmap_align(nb + SIX_SIZE_T_SIZES + CHUNK_ALIGN_MASK); - char *cp = (char *)CALL_MREMAP((char *)oldp - offset, - oldmmsize, newmmsize, CALL_MREMAP_MV); - if (cp != CMFAIL) { - mchunkptr newp = (mchunkptr)(cp + offset); - size_t psize = newmmsize - offset - DIRECT_FOOT_PAD; - newp->head = psize|CINUSE_BIT; - chunk_plus_offset(newp, psize)->head = FENCEPOST_HEAD; - chunk_plus_offset(newp, psize+SIZE_T_SIZE)->head = 0; - return newp; - } - } - return NULL; -} - -/* -------------------------- mspace management -------------------------- */ - -/* Initialize top chunk and its size */ -static void init_top(mstate m, mchunkptr p, size_t psize) -{ - /* Ensure alignment */ - size_t offset = align_offset(chunk2mem(p)); - p = (mchunkptr)((char *)p + offset); - psize -= offset; - - m->top = p; - m->topsize = psize; - p->head = psize | PINUSE_BIT; - /* set size of fake trailing chunk holding overhead space only once */ - chunk_plus_offset(p, psize)->head = TOP_FOOT_SIZE; - m->trim_check = DEFAULT_TRIM_THRESHOLD; /* reset on each update */ -} - -/* Initialize bins for a new mstate that is otherwise zeroed out */ -static void init_bins(mstate m) -{ - /* Establish circular links for smallbins */ - bindex_t i; - for (i = 0; i < NSMALLBINS; i++) { - sbinptr bin = smallbin_at(m,i); - bin->fd = bin->bk = bin; - } -} - -/* Allocate chunk and prepend remainder with chunk in successor base. */ -static void *prepend_alloc(mstate m, char *newbase, char *oldbase, size_t nb) -{ - mchunkptr p = align_as_chunk(newbase); - mchunkptr oldfirst = align_as_chunk(oldbase); - size_t psize = (size_t)((char *)oldfirst - (char *)p); - mchunkptr q = chunk_plus_offset(p, nb); - size_t qsize = psize - nb; - set_size_and_pinuse_of_inuse_chunk(m, p, nb); - - /* consolidate remainder with first chunk of old base */ - if (oldfirst == m->top) { - size_t tsize = m->topsize += qsize; - m->top = q; - q->head = tsize | PINUSE_BIT; - } else if (oldfirst == m->dv) { - size_t dsize = m->dvsize += qsize; - m->dv = q; - set_size_and_pinuse_of_free_chunk(q, dsize); - } else { - if (!cinuse(oldfirst)) { - size_t nsize = chunksize(oldfirst); - unlink_chunk(m, oldfirst, nsize); - oldfirst = chunk_plus_offset(oldfirst, nsize); - qsize += nsize; - } - set_free_with_pinuse(q, qsize, oldfirst); - insert_chunk(m, q, qsize); - } - - return chunk2mem(p); -} - -/* Add a segment to hold a new noncontiguous region */ -static void add_segment(mstate m, char *tbase, size_t tsize) -{ - /* Determine locations and sizes of segment, fenceposts, old top */ - char *old_top = (char *)m->top; - msegmentptr oldsp = segment_holding(m, old_top); - char *old_end = oldsp->base + oldsp->size; - size_t ssize = pad_request(sizeof(struct malloc_segment)); - char *rawsp = old_end - (ssize + FOUR_SIZE_T_SIZES + CHUNK_ALIGN_MASK); - size_t offset = align_offset(chunk2mem(rawsp)); - char *asp = rawsp + offset; - char *csp = (asp < (old_top + MIN_CHUNK_SIZE))? old_top : asp; - mchunkptr sp = (mchunkptr)csp; - msegmentptr ss = (msegmentptr)(chunk2mem(sp)); - mchunkptr tnext = chunk_plus_offset(sp, ssize); - mchunkptr p = tnext; - - /* reset top to new space */ - init_top(m, (mchunkptr)tbase, tsize - TOP_FOOT_SIZE); - - /* Set up segment record */ - set_size_and_pinuse_of_inuse_chunk(m, sp, ssize); - *ss = m->seg; /* Push current record */ - m->seg.base = tbase; - m->seg.size = tsize; - m->seg.next = ss; - - /* Insert trailing fenceposts */ - for (;;) { - mchunkptr nextp = chunk_plus_offset(p, SIZE_T_SIZE); - p->head = FENCEPOST_HEAD; - if ((char *)(&(nextp->head)) < old_end) - p = nextp; - else - break; - } - - /* Insert the rest of old top into a bin as an ordinary free chunk */ - if (csp != old_top) { - mchunkptr q = (mchunkptr)old_top; - size_t psize = (size_t)(csp - old_top); - mchunkptr tn = chunk_plus_offset(q, psize); - set_free_with_pinuse(q, psize, tn); - insert_chunk(m, q, psize); - } -} - -/* -------------------------- System allocation -------------------------- */ - -static void *alloc_sys(mstate m, size_t nb) -{ - char *tbase = CMFAIL; - size_t tsize = 0; - - /* Directly map large chunks */ - if (LJ_UNLIKELY(nb >= DEFAULT_MMAP_THRESHOLD)) { - void *mem = direct_alloc(nb); - if (mem != 0) - return mem; - } - - { - size_t req = nb + TOP_FOOT_SIZE + SIZE_T_ONE; - size_t rsize = granularity_align(req); - if (LJ_LIKELY(rsize > nb)) { /* Fail if wraps around zero */ - char *mp = (char *)(CALL_MMAP(rsize)); - if (mp != CMFAIL) { - tbase = mp; - tsize = rsize; - } - } - } - - if (tbase != CMFAIL) { - msegmentptr sp = &m->seg; - /* Try to merge with an existing segment */ - while (sp != 0 && tbase != sp->base + sp->size) - sp = sp->next; - if (sp != 0 && segment_holds(sp, m->top)) { /* append */ - sp->size += tsize; - init_top(m, m->top, m->topsize + tsize); - } else { - sp = &m->seg; - while (sp != 0 && sp->base != tbase + tsize) - sp = sp->next; - if (sp != 0) { - char *oldbase = sp->base; - sp->base = tbase; - sp->size += tsize; - return prepend_alloc(m, tbase, oldbase, nb); - } else { - add_segment(m, tbase, tsize); - } - } - - if (nb < m->topsize) { /* Allocate from new or extended top space */ - size_t rsize = m->topsize -= nb; - mchunkptr p = m->top; - mchunkptr r = m->top = chunk_plus_offset(p, nb); - r->head = rsize | PINUSE_BIT; - set_size_and_pinuse_of_inuse_chunk(m, p, nb); - return chunk2mem(p); - } - } - - return NULL; -} - -/* ----------------------- system deallocation -------------------------- */ - -/* Unmap and unlink any mmapped segments that don't contain used chunks */ -static size_t release_unused_segments(mstate m) -{ - size_t released = 0; - size_t nsegs = 0; - msegmentptr pred = &m->seg; - msegmentptr sp = pred->next; - while (sp != 0) { - char *base = sp->base; - size_t size = sp->size; - msegmentptr next = sp->next; - nsegs++; - { - mchunkptr p = align_as_chunk(base); - size_t psize = chunksize(p); - /* Can unmap if first chunk holds entire segment and not pinned */ - if (!cinuse(p) && (char *)p + psize >= base + size - TOP_FOOT_SIZE) { - tchunkptr tp = (tchunkptr)p; - if (p == m->dv) { - m->dv = 0; - m->dvsize = 0; - } else { - unlink_large_chunk(m, tp); - } - if (CALL_MUNMAP(base, size) == 0) { - released += size; - /* unlink obsoleted record */ - sp = pred; - sp->next = next; - } else { /* back out if cannot unmap */ - insert_large_chunk(m, tp, psize); - } - } - } - pred = sp; - sp = next; - } - /* Reset check counter */ - m->release_checks = nsegs > MAX_RELEASE_CHECK_RATE ? - nsegs : MAX_RELEASE_CHECK_RATE; - return released; -} - -static int alloc_trim(mstate m, size_t pad) -{ - size_t released = 0; - if (pad < MAX_REQUEST && is_initialized(m)) { - pad += TOP_FOOT_SIZE; /* ensure enough room for segment overhead */ - - if (m->topsize > pad) { - /* Shrink top space in granularity-size units, keeping at least one */ - size_t unit = DEFAULT_GRANULARITY; - size_t extra = ((m->topsize - pad + (unit - SIZE_T_ONE)) / unit - - SIZE_T_ONE) * unit; - msegmentptr sp = segment_holding(m, (char *)m->top); - - if (sp->size >= extra && - !has_segment_link(m, sp)) { /* can't shrink if pinned */ - size_t newsize = sp->size - extra; - /* Prefer mremap, fall back to munmap */ - if ((CALL_MREMAP(sp->base, sp->size, newsize, CALL_MREMAP_NOMOVE) != MFAIL) || - (CALL_MUNMAP(sp->base + newsize, extra) == 0)) { - released = extra; - } - } - - if (released != 0) { - sp->size -= released; - init_top(m, m->top, m->topsize - released); - } - } - - /* Unmap any unused mmapped segments */ - released += release_unused_segments(m); - - /* On failure, disable autotrim to avoid repeated failed future calls */ - if (released == 0 && m->topsize > m->trim_check) - m->trim_check = MAX_SIZE_T; - } - - return (released != 0)? 1 : 0; -} - -/* ---------------------------- malloc support --------------------------- */ - -/* allocate a large request from the best fitting chunk in a treebin */ -static void *tmalloc_large(mstate m, size_t nb) -{ - tchunkptr v = 0; - size_t rsize = ~nb+1; /* Unsigned negation */ - tchunkptr t; - bindex_t idx; - compute_tree_index(nb, idx); - - if ((t = *treebin_at(m, idx)) != 0) { - /* Traverse tree for this bin looking for node with size == nb */ - size_t sizebits = nb << leftshift_for_tree_index(idx); - tchunkptr rst = 0; /* The deepest untaken right subtree */ - for (;;) { - tchunkptr rt; - size_t trem = chunksize(t) - nb; - if (trem < rsize) { - v = t; - if ((rsize = trem) == 0) - break; - } - rt = t->child[1]; - t = t->child[(sizebits >> (SIZE_T_BITSIZE-SIZE_T_ONE)) & 1]; - if (rt != 0 && rt != t) - rst = rt; - if (t == 0) { - t = rst; /* set t to least subtree holding sizes > nb */ - break; - } - sizebits <<= 1; - } - } - - if (t == 0 && v == 0) { /* set t to root of next non-empty treebin */ - binmap_t leftbits = left_bits(idx2bit(idx)) & m->treemap; - if (leftbits != 0) - t = *treebin_at(m, lj_ffs(leftbits)); - } - - while (t != 0) { /* find smallest of tree or subtree */ - size_t trem = chunksize(t) - nb; - if (trem < rsize) { - rsize = trem; - v = t; - } - t = leftmost_child(t); - } - - /* If dv is a better fit, return NULL so malloc will use it */ - if (v != 0 && rsize < (size_t)(m->dvsize - nb)) { - mchunkptr r = chunk_plus_offset(v, nb); - unlink_large_chunk(m, v); - if (rsize < MIN_CHUNK_SIZE) { - set_inuse_and_pinuse(m, v, (rsize + nb)); - } else { - set_size_and_pinuse_of_inuse_chunk(m, v, nb); - set_size_and_pinuse_of_free_chunk(r, rsize); - insert_chunk(m, r, rsize); - } - return chunk2mem(v); - } - return NULL; -} - -/* allocate a small request from the best fitting chunk in a treebin */ -static void *tmalloc_small(mstate m, size_t nb) -{ - tchunkptr t, v; - mchunkptr r; - size_t rsize; - bindex_t i = lj_ffs(m->treemap); - - v = t = *treebin_at(m, i); - rsize = chunksize(t) - nb; - - while ((t = leftmost_child(t)) != 0) { - size_t trem = chunksize(t) - nb; - if (trem < rsize) { - rsize = trem; - v = t; - } - } - - r = chunk_plus_offset(v, nb); - unlink_large_chunk(m, v); - if (rsize < MIN_CHUNK_SIZE) { - set_inuse_and_pinuse(m, v, (rsize + nb)); - } else { - set_size_and_pinuse_of_inuse_chunk(m, v, nb); - set_size_and_pinuse_of_free_chunk(r, rsize); - replace_dv(m, r, rsize); - } - return chunk2mem(v); -} - -/* ----------------------------------------------------------------------- */ - -void *lj_alloc_create(void) -{ - size_t tsize = DEFAULT_GRANULARITY; - char *tbase; - INIT_MMAP(); - tbase = (char *)(CALL_MMAP(tsize)); - if (tbase != CMFAIL) { - size_t msize = pad_request(sizeof(struct malloc_state)); - mchunkptr mn; - mchunkptr msp = align_as_chunk(tbase); - mstate m = (mstate)(chunk2mem(msp)); - memset(m, 0, msize); - msp->head = (msize|PINUSE_BIT|CINUSE_BIT); - m->seg.base = tbase; - m->seg.size = tsize; - m->release_checks = MAX_RELEASE_CHECK_RATE; - init_bins(m); - mn = next_chunk(mem2chunk(m)); - init_top(m, mn, (size_t)((tbase + tsize) - (char *)mn) - TOP_FOOT_SIZE); - return m; - } - return NULL; -} - -void lj_alloc_destroy(void *msp) -{ - mstate ms = (mstate)msp; - msegmentptr sp = &ms->seg; - while (sp != 0) { - char *base = sp->base; - size_t size = sp->size; - sp = sp->next; - CALL_MUNMAP(base, size); - } -} - -static LJ_NOINLINE void *lj_alloc_malloc(void *msp, size_t nsize) -{ - mstate ms = (mstate)msp; - void *mem; - size_t nb; - if (nsize <= MAX_SMALL_REQUEST) { - bindex_t idx; - binmap_t smallbits; - nb = (nsize < MIN_REQUEST)? MIN_CHUNK_SIZE : pad_request(nsize); - idx = small_index(nb); - smallbits = ms->smallmap >> idx; - - if ((smallbits & 0x3U) != 0) { /* Remainderless fit to a smallbin. */ - mchunkptr b, p; - idx += ~smallbits & 1; /* Uses next bin if idx empty */ - b = smallbin_at(ms, idx); - p = b->fd; - unlink_first_small_chunk(ms, b, p, idx); - set_inuse_and_pinuse(ms, p, small_index2size(idx)); - mem = chunk2mem(p); - return mem; - } else if (nb > ms->dvsize) { - if (smallbits != 0) { /* Use chunk in next nonempty smallbin */ - mchunkptr b, p, r; - size_t rsize; - binmap_t leftbits = (smallbits << idx) & left_bits(idx2bit(idx)); - bindex_t i = lj_ffs(leftbits); - b = smallbin_at(ms, i); - p = b->fd; - unlink_first_small_chunk(ms, b, p, i); - rsize = small_index2size(i) - nb; - /* Fit here cannot be remainderless if 4byte sizes */ - if (SIZE_T_SIZE != 4 && rsize < MIN_CHUNK_SIZE) { - set_inuse_and_pinuse(ms, p, small_index2size(i)); - } else { - set_size_and_pinuse_of_inuse_chunk(ms, p, nb); - r = chunk_plus_offset(p, nb); - set_size_and_pinuse_of_free_chunk(r, rsize); - replace_dv(ms, r, rsize); - } - mem = chunk2mem(p); - return mem; - } else if (ms->treemap != 0 && (mem = tmalloc_small(ms, nb)) != 0) { - return mem; - } - } - } else if (nsize >= MAX_REQUEST) { - nb = MAX_SIZE_T; /* Too big to allocate. Force failure (in sys alloc) */ - } else { - nb = pad_request(nsize); - if (ms->treemap != 0 && (mem = tmalloc_large(ms, nb)) != 0) { - return mem; - } - } - - if (nb <= ms->dvsize) { - size_t rsize = ms->dvsize - nb; - mchunkptr p = ms->dv; - if (rsize >= MIN_CHUNK_SIZE) { /* split dv */ - mchunkptr r = ms->dv = chunk_plus_offset(p, nb); - ms->dvsize = rsize; - set_size_and_pinuse_of_free_chunk(r, rsize); - set_size_and_pinuse_of_inuse_chunk(ms, p, nb); - } else { /* exhaust dv */ - size_t dvs = ms->dvsize; - ms->dvsize = 0; - ms->dv = 0; - set_inuse_and_pinuse(ms, p, dvs); - } - mem = chunk2mem(p); - return mem; - } else if (nb < ms->topsize) { /* Split top */ - size_t rsize = ms->topsize -= nb; - mchunkptr p = ms->top; - mchunkptr r = ms->top = chunk_plus_offset(p, nb); - r->head = rsize | PINUSE_BIT; - set_size_and_pinuse_of_inuse_chunk(ms, p, nb); - mem = chunk2mem(p); - return mem; - } - return alloc_sys(ms, nb); -} - -static LJ_NOINLINE void *lj_alloc_free(void *msp, void *ptr) -{ - if (ptr != 0) { - mchunkptr p = mem2chunk(ptr); - mstate fm = (mstate)msp; - size_t psize = chunksize(p); - mchunkptr next = chunk_plus_offset(p, psize); - if (!pinuse(p)) { - size_t prevsize = p->prev_foot; - if ((prevsize & IS_DIRECT_BIT) != 0) { - prevsize &= ~IS_DIRECT_BIT; - psize += prevsize + DIRECT_FOOT_PAD; - CALL_MUNMAP((char *)p - prevsize, psize); - return NULL; - } else { - mchunkptr prev = chunk_minus_offset(p, prevsize); - psize += prevsize; - p = prev; - /* consolidate backward */ - if (p != fm->dv) { - unlink_chunk(fm, p, prevsize); - } else if ((next->head & INUSE_BITS) == INUSE_BITS) { - fm->dvsize = psize; - set_free_with_pinuse(p, psize, next); - return NULL; - } - } - } - if (!cinuse(next)) { /* consolidate forward */ - if (next == fm->top) { - size_t tsize = fm->topsize += psize; - fm->top = p; - p->head = tsize | PINUSE_BIT; - if (p == fm->dv) { - fm->dv = 0; - fm->dvsize = 0; - } - if (tsize > fm->trim_check) - alloc_trim(fm, 0); - return NULL; - } else if (next == fm->dv) { - size_t dsize = fm->dvsize += psize; - fm->dv = p; - set_size_and_pinuse_of_free_chunk(p, dsize); - return NULL; - } else { - size_t nsize = chunksize(next); - psize += nsize; - unlink_chunk(fm, next, nsize); - set_size_and_pinuse_of_free_chunk(p, psize); - if (p == fm->dv) { - fm->dvsize = psize; - return NULL; - } - } - } else { - set_free_with_pinuse(p, psize, next); - } - - if (is_small(psize)) { - insert_small_chunk(fm, p, psize); - } else { - tchunkptr tp = (tchunkptr)p; - insert_large_chunk(fm, tp, psize); - if (--fm->release_checks == 0) - release_unused_segments(fm); - } - } - return NULL; -} - -static LJ_NOINLINE void *lj_alloc_realloc(void *msp, void *ptr, size_t nsize) -{ - if (nsize >= MAX_REQUEST) { - return NULL; - } else { - mstate m = (mstate)msp; - mchunkptr oldp = mem2chunk(ptr); - size_t oldsize = chunksize(oldp); - mchunkptr next = chunk_plus_offset(oldp, oldsize); - mchunkptr newp = 0; - size_t nb = request2size(nsize); - - /* Try to either shrink or extend into top. Else malloc-copy-free */ - if (is_direct(oldp)) { - newp = direct_resize(oldp, nb); /* this may return NULL. */ - } else if (oldsize >= nb) { /* already big enough */ - size_t rsize = oldsize - nb; - newp = oldp; - if (rsize >= MIN_CHUNK_SIZE) { - mchunkptr rem = chunk_plus_offset(newp, nb); - set_inuse(m, newp, nb); - set_inuse(m, rem, rsize); - lj_alloc_free(m, chunk2mem(rem)); - } - } else if (next == m->top && oldsize + m->topsize > nb) { - /* Expand into top */ - size_t newsize = oldsize + m->topsize; - size_t newtopsize = newsize - nb; - mchunkptr newtop = chunk_plus_offset(oldp, nb); - set_inuse(m, oldp, nb); - newtop->head = newtopsize |PINUSE_BIT; - m->top = newtop; - m->topsize = newtopsize; - newp = oldp; - } - - if (newp != 0) { - return chunk2mem(newp); - } else { - void *newmem = lj_alloc_malloc(m, nsize); - if (newmem != 0) { - size_t oc = oldsize - overhead_for(oldp); - memcpy(newmem, ptr, oc < nsize ? oc : nsize); - lj_alloc_free(m, ptr); - } - return newmem; - } - } -} - -void *lj_alloc_f(void *msp, void *ptr, size_t osize, size_t nsize) -{ - (void)osize; - if (nsize == 0) { - return lj_alloc_free(msp, ptr); - } else if (ptr == NULL) { - return lj_alloc_malloc(msp, nsize); - } else { - return lj_alloc_realloc(msp, ptr, nsize); - } -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_alloc.h b/libraries/luajit-2.0/src/lj_alloc.h deleted file mode 100644 index f87a7cf..0000000 --- a/libraries/luajit-2.0/src/lj_alloc.h +++ /dev/null @@ -1,17 +0,0 @@ -/* -** Bundled memory allocator. -** Donated to the public domain. -*/ - -#ifndef _LJ_ALLOC_H -#define _LJ_ALLOC_H - -#include "lj_def.h" - -#ifndef LUAJIT_USE_SYSMALLOC -LJ_FUNC void *lj_alloc_create(void); -LJ_FUNC void lj_alloc_destroy(void *msp); -LJ_FUNC void *lj_alloc_f(void *msp, void *ptr, size_t osize, size_t nsize); -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_api.c b/libraries/luajit-2.0/src/lj_api.c deleted file mode 100644 index 5ef2dff..0000000 --- a/libraries/luajit-2.0/src/lj_api.c +++ /dev/null @@ -1,1220 +0,0 @@ -/* -** Public Lua/C API. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#define lj_api_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_debug.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_func.h" -#include "lj_udata.h" -#include "lj_meta.h" -#include "lj_state.h" -#include "lj_bc.h" -#include "lj_frame.h" -#include "lj_trace.h" -#include "lj_vm.h" -#include "lj_lex.h" -#include "lj_bcdump.h" -#include "lj_parse.h" - -/* -- Common helper functions --------------------------------------------- */ - -#define api_checknelems(L, n) api_check(L, (n) <= (L->top - L->base)) -#define api_checkvalidindex(L, i) api_check(L, (i) != niltv(L)) - -static TValue *index2adr(lua_State *L, int idx) -{ - if (idx > 0) { - TValue *o = L->base + (idx - 1); - return o < L->top ? o : niltv(L); - } else if (idx > LUA_REGISTRYINDEX) { - api_check(L, idx != 0 && -idx <= L->top - L->base); - return L->top + idx; - } else if (idx == LUA_GLOBALSINDEX) { - TValue *o = &G(L)->tmptv; - settabV(L, o, tabref(L->env)); - return o; - } else if (idx == LUA_REGISTRYINDEX) { - return registry(L); - } else { - GCfunc *fn = curr_func(L); - api_check(L, fn->c.gct == ~LJ_TFUNC && !isluafunc(fn)); - if (idx == LUA_ENVIRONINDEX) { - TValue *o = &G(L)->tmptv; - settabV(L, o, tabref(fn->c.env)); - return o; - } else { - idx = LUA_GLOBALSINDEX - idx; - return idx <= fn->c.nupvalues ? &fn->c.upvalue[idx-1] : niltv(L); - } - } -} - -static TValue *stkindex2adr(lua_State *L, int idx) -{ - if (idx > 0) { - TValue *o = L->base + (idx - 1); - return o < L->top ? o : niltv(L); - } else { - api_check(L, idx != 0 && -idx <= L->top - L->base); - return L->top + idx; - } -} - -static GCtab *getcurrenv(lua_State *L) -{ - GCfunc *fn = curr_func(L); - return fn->c.gct == ~LJ_TFUNC ? tabref(fn->c.env) : tabref(L->env); -} - -/* -- Miscellaneous API functions ----------------------------------------- */ - -LUA_API int lua_status(lua_State *L) -{ - return L->status; -} - -LUA_API int lua_checkstack(lua_State *L, int size) -{ - if (size > LUAI_MAXCSTACK || (L->top - L->base + size) > LUAI_MAXCSTACK) { - return 0; /* Stack overflow. */ - } else if (size > 0) { - lj_state_checkstack(L, (MSize)size); - } - return 1; -} - -LUALIB_API void luaL_checkstack(lua_State *L, int size, const char *msg) -{ - if (!lua_checkstack(L, size)) - lj_err_callerv(L, LJ_ERR_STKOVM, msg); -} - -LUA_API void lua_xmove(lua_State *from, lua_State *to, int n) -{ - TValue *f, *t; - if (from == to) return; - api_checknelems(from, n); - api_check(from, G(from) == G(to)); - lj_state_checkstack(to, (MSize)n); - f = from->top; - t = to->top = to->top + n; - while (--n >= 0) copyTV(to, --t, --f); - from->top = f; -} - -/* -- Stack manipulation -------------------------------------------------- */ - -LUA_API int lua_gettop(lua_State *L) -{ - return (int)(L->top - L->base); -} - -LUA_API void lua_settop(lua_State *L, int idx) -{ - if (idx >= 0) { - api_check(L, idx <= tvref(L->maxstack) - L->base); - if (L->base + idx > L->top) { - if (L->base + idx >= tvref(L->maxstack)) - lj_state_growstack(L, (MSize)idx - (MSize)(L->top - L->base)); - do { setnilV(L->top++); } while (L->top < L->base + idx); - } else { - L->top = L->base + idx; - } - } else { - api_check(L, -(idx+1) <= (L->top - L->base)); - L->top += idx+1; /* Shrinks top (idx < 0). */ - } -} - -LUA_API void lua_remove(lua_State *L, int idx) -{ - TValue *p = stkindex2adr(L, idx); - api_checkvalidindex(L, p); - while (++p < L->top) copyTV(L, p-1, p); - L->top--; -} - -LUA_API void lua_insert(lua_State *L, int idx) -{ - TValue *q, *p = stkindex2adr(L, idx); - api_checkvalidindex(L, p); - for (q = L->top; q > p; q--) copyTV(L, q, q-1); - copyTV(L, p, L->top); -} - -LUA_API void lua_replace(lua_State *L, int idx) -{ - api_checknelems(L, 1); - if (idx == LUA_GLOBALSINDEX) { - api_check(L, tvistab(L->top-1)); - /* NOBARRIER: A thread (i.e. L) is never black. */ - setgcref(L->env, obj2gco(tabV(L->top-1))); - } else if (idx == LUA_ENVIRONINDEX) { - GCfunc *fn = curr_func(L); - if (fn->c.gct != ~LJ_TFUNC) - lj_err_msg(L, LJ_ERR_NOENV); - api_check(L, tvistab(L->top-1)); - setgcref(fn->c.env, obj2gco(tabV(L->top-1))); - lj_gc_barrier(L, fn, L->top-1); - } else { - TValue *o = index2adr(L, idx); - api_checkvalidindex(L, o); - copyTV(L, o, L->top-1); - if (idx < LUA_GLOBALSINDEX) /* Need a barrier for upvalues. */ - lj_gc_barrier(L, curr_func(L), L->top-1); - } - L->top--; -} - -LUA_API void lua_pushvalue(lua_State *L, int idx) -{ - copyTV(L, L->top, index2adr(L, idx)); - incr_top(L); -} - -/* -- Stack getters ------------------------------------------------------- */ - -LUA_API int lua_type(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - if (tvisnumber(o)) { - return LUA_TNUMBER; -#if LJ_64 - } else if (tvislightud(o)) { - return LUA_TLIGHTUSERDATA; -#endif - } else if (o == niltv(L)) { - return LUA_TNONE; - } else { /* Magic internal/external tag conversion. ORDER LJ_T */ - uint32_t t = ~itype(o); -#if LJ_64 - int tt = (int)((U64x(75a06,98042110) >> 4*t) & 15u); -#else - int tt = (int)(((t < 8 ? 0x98042110u : 0x75a06u) >> 4*(t&7)) & 15u); -#endif - lua_assert(tt != LUA_TNIL || tvisnil(o)); - return tt; - } -} - -LUALIB_API void luaL_checktype(lua_State *L, int idx, int tt) -{ - if (lua_type(L, idx) != tt) - lj_err_argt(L, idx, tt); -} - -LUALIB_API void luaL_checkany(lua_State *L, int idx) -{ - if (index2adr(L, idx) == niltv(L)) - lj_err_arg(L, idx, LJ_ERR_NOVAL); -} - -LUA_API const char *lua_typename(lua_State *L, int t) -{ - UNUSED(L); - return lj_obj_typename[t+1]; -} - -LUA_API int lua_iscfunction(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - return tvisfunc(o) && !isluafunc(funcV(o)); -} - -LUA_API int lua_isnumber(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - TValue tmp; - return (tvisnumber(o) || (tvisstr(o) && lj_str_tonumber(strV(o), &tmp))); -} - -LUA_API int lua_isstring(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - return (tvisstr(o) || tvisnumber(o)); -} - -LUA_API int lua_isuserdata(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - return (tvisudata(o) || tvislightud(o)); -} - -LUA_API int lua_rawequal(lua_State *L, int idx1, int idx2) -{ - cTValue *o1 = index2adr(L, idx1); - cTValue *o2 = index2adr(L, idx2); - return (o1 == niltv(L) || o2 == niltv(L)) ? 0 : lj_obj_equal(o1, o2); -} - -LUA_API int lua_equal(lua_State *L, int idx1, int idx2) -{ - cTValue *o1 = index2adr(L, idx1); - cTValue *o2 = index2adr(L, idx2); - if (tvisint(o1) && tvisint(o2)) { - return intV(o1) == intV(o2); - } else if (tvisnumber(o1) && tvisnumber(o2)) { - return numberVnum(o1) == numberVnum(o2); - } else if (itype(o1) != itype(o2)) { - return 0; - } else if (tvispri(o1)) { - return o1 != niltv(L) && o2 != niltv(L); -#if LJ_64 - } else if (tvislightud(o1)) { - return o1->u64 == o2->u64; -#endif - } else if (gcrefeq(o1->gcr, o2->gcr)) { - return 1; - } else if (!tvistabud(o1)) { - return 0; - } else { - TValue *base = lj_meta_equal(L, gcV(o1), gcV(o2), 0); - if ((uintptr_t)base <= 1) { - return (int)(uintptr_t)base; - } else { - L->top = base+2; - lj_vm_call(L, base, 1+1); - L->top -= 2; - return tvistruecond(L->top+1); - } - } -} - -LUA_API int lua_lessthan(lua_State *L, int idx1, int idx2) -{ - cTValue *o1 = index2adr(L, idx1); - cTValue *o2 = index2adr(L, idx2); - if (o1 == niltv(L) || o2 == niltv(L)) { - return 0; - } else if (tvisint(o1) && tvisint(o2)) { - return intV(o1) < intV(o2); - } else if (tvisnumber(o1) && tvisnumber(o2)) { - return numberVnum(o1) < numberVnum(o2); - } else { - TValue *base = lj_meta_comp(L, o1, o2, 0); - if ((uintptr_t)base <= 1) { - return (int)(uintptr_t)base; - } else { - L->top = base+2; - lj_vm_call(L, base, 1+1); - L->top -= 2; - return tvistruecond(L->top+1); - } - } -} - -LUA_API lua_Number lua_tonumber(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - TValue tmp; - if (LJ_LIKELY(tvisnumber(o))) - return numberVnum(o); - else if (tvisstr(o) && lj_str_tonum(strV(o), &tmp)) - return numV(&tmp); - else - return 0; -} - -LUALIB_API lua_Number luaL_checknumber(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - TValue tmp; - if (LJ_LIKELY(tvisnumber(o))) - return numberVnum(o); - else if (!(tvisstr(o) && lj_str_tonum(strV(o), &tmp))) - lj_err_argt(L, idx, LUA_TNUMBER); - return numV(&tmp); -} - -LUALIB_API lua_Number luaL_optnumber(lua_State *L, int idx, lua_Number def) -{ - cTValue *o = index2adr(L, idx); - TValue tmp; - if (LJ_LIKELY(tvisnumber(o))) - return numberVnum(o); - else if (tvisnil(o)) - return def; - else if (!(tvisstr(o) && lj_str_tonum(strV(o), &tmp))) - lj_err_argt(L, idx, LUA_TNUMBER); - return numV(&tmp); -} - -LUA_API lua_Integer lua_tointeger(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - TValue tmp; - lua_Number n; - if (LJ_LIKELY(tvisint(o))) { - return intV(o); - } else if (LJ_LIKELY(tvisnum(o))) { - n = numV(o); - } else { - if (!(tvisstr(o) && lj_str_tonumber(strV(o), &tmp))) - return 0; - if (tvisint(&tmp)) - return (lua_Integer)intV(&tmp); - n = numV(&tmp); - } -#if LJ_64 - return (lua_Integer)n; -#else - return lj_num2int(n); -#endif -} - -LUALIB_API lua_Integer luaL_checkinteger(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - TValue tmp; - lua_Number n; - if (LJ_LIKELY(tvisint(o))) { - return intV(o); - } else if (LJ_LIKELY(tvisnum(o))) { - n = numV(o); - } else { - if (!(tvisstr(o) && lj_str_tonumber(strV(o), &tmp))) - lj_err_argt(L, idx, LUA_TNUMBER); - if (tvisint(&tmp)) - return (lua_Integer)intV(&tmp); - n = numV(&tmp); - } -#if LJ_64 - return (lua_Integer)n; -#else - return lj_num2int(n); -#endif -} - -LUALIB_API lua_Integer luaL_optinteger(lua_State *L, int idx, lua_Integer def) -{ - cTValue *o = index2adr(L, idx); - TValue tmp; - lua_Number n; - if (LJ_LIKELY(tvisint(o))) { - return intV(o); - } else if (LJ_LIKELY(tvisnum(o))) { - n = numV(o); - } else if (tvisnil(o)) { - return def; - } else { - if (!(tvisstr(o) && lj_str_tonumber(strV(o), &tmp))) - lj_err_argt(L, idx, LUA_TNUMBER); - if (tvisint(&tmp)) - return (lua_Integer)intV(&tmp); - n = numV(&tmp); - } -#if LJ_64 - return (lua_Integer)n; -#else - return lj_num2int(n); -#endif -} - -LUA_API int lua_toboolean(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - return tvistruecond(o); -} - -LUA_API const char *lua_tolstring(lua_State *L, int idx, size_t *len) -{ - TValue *o = index2adr(L, idx); - GCstr *s; - if (LJ_LIKELY(tvisstr(o))) { - s = strV(o); - } else if (tvisnumber(o)) { - lj_gc_check(L); - o = index2adr(L, idx); /* GC may move the stack. */ - s = lj_str_fromnumber(L, o); - setstrV(L, o, s); - } else { - if (len != NULL) *len = 0; - return NULL; - } - if (len != NULL) *len = s->len; - return strdata(s); -} - -LUALIB_API const char *luaL_checklstring(lua_State *L, int idx, size_t *len) -{ - TValue *o = index2adr(L, idx); - GCstr *s; - if (LJ_LIKELY(tvisstr(o))) { - s = strV(o); - } else if (tvisnumber(o)) { - lj_gc_check(L); - o = index2adr(L, idx); /* GC may move the stack. */ - s = lj_str_fromnumber(L, o); - setstrV(L, o, s); - } else { - lj_err_argt(L, idx, LUA_TSTRING); - } - if (len != NULL) *len = s->len; - return strdata(s); -} - -LUALIB_API const char *luaL_optlstring(lua_State *L, int idx, - const char *def, size_t *len) -{ - TValue *o = index2adr(L, idx); - GCstr *s; - if (LJ_LIKELY(tvisstr(o))) { - s = strV(o); - } else if (tvisnil(o)) { - if (len != NULL) *len = def ? strlen(def) : 0; - return def; - } else if (tvisnumber(o)) { - lj_gc_check(L); - o = index2adr(L, idx); /* GC may move the stack. */ - s = lj_str_fromnumber(L, o); - setstrV(L, o, s); - } else { - lj_err_argt(L, idx, LUA_TSTRING); - } - if (len != NULL) *len = s->len; - return strdata(s); -} - -LUALIB_API int luaL_checkoption(lua_State *L, int idx, const char *def, - const char *const lst[]) -{ - ptrdiff_t i; - const char *s = lua_tolstring(L, idx, NULL); - if (s == NULL && (s = def) == NULL) - lj_err_argt(L, idx, LUA_TSTRING); - for (i = 0; lst[i]; i++) - if (strcmp(lst[i], s) == 0) - return (int)i; - lj_err_argv(L, idx, LJ_ERR_INVOPTM, s); -} - -LUA_API size_t lua_objlen(lua_State *L, int idx) -{ - TValue *o = index2adr(L, idx); - if (tvisstr(o)) { - return strV(o)->len; - } else if (tvistab(o)) { - return (size_t)lj_tab_len(tabV(o)); - } else if (tvisudata(o)) { - return udataV(o)->len; - } else if (tvisnumber(o)) { - GCstr *s = lj_str_fromnumber(L, o); - setstrV(L, o, s); - return s->len; - } else { - return 0; - } -} - -LUA_API lua_CFunction lua_tocfunction(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - if (tvisfunc(o)) { - BCOp op = bc_op(*mref(funcV(o)->c.pc, BCIns)); - if (op == BC_FUNCC || op == BC_FUNCCW) - return funcV(o)->c.f; - } - return NULL; -} - -LUA_API void *lua_touserdata(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - if (tvisudata(o)) - return uddata(udataV(o)); - else if (tvislightud(o)) - return lightudV(o); - else - return NULL; -} - -LUA_API lua_State *lua_tothread(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - return (!tvisthread(o)) ? NULL : threadV(o); -} - -LUA_API const void *lua_topointer(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - if (tvisudata(o)) - return uddata(udataV(o)); - else if (tvislightud(o)) - return lightudV(o); - else if (tviscdata(o)) - return cdataptr(cdataV(o)); - else if (tvisgcv(o)) - return gcV(o); - else - return NULL; -} - -/* -- Stack setters (object creation) ------------------------------------- */ - -LUA_API void lua_pushnil(lua_State *L) -{ - setnilV(L->top); - incr_top(L); -} - -LUA_API void lua_pushnumber(lua_State *L, lua_Number n) -{ - setnumV(L->top, n); - if (LJ_UNLIKELY(tvisnan(L->top))) - setnanV(L->top); /* Canonicalize injected NaNs. */ - incr_top(L); -} - -LUA_API void lua_pushinteger(lua_State *L, lua_Integer n) -{ - setintptrV(L->top, n); - incr_top(L); -} - -LUA_API void lua_pushlstring(lua_State *L, const char *str, size_t len) -{ - GCstr *s; - lj_gc_check(L); - s = lj_str_new(L, str, len); - setstrV(L, L->top, s); - incr_top(L); -} - -LUA_API void lua_pushstring(lua_State *L, const char *str) -{ - if (str == NULL) { - setnilV(L->top); - } else { - GCstr *s; - lj_gc_check(L); - s = lj_str_newz(L, str); - setstrV(L, L->top, s); - } - incr_top(L); -} - -LUA_API const char *lua_pushvfstring(lua_State *L, const char *fmt, - va_list argp) -{ - lj_gc_check(L); - return lj_str_pushvf(L, fmt, argp); -} - -LUA_API const char *lua_pushfstring(lua_State *L, const char *fmt, ...) -{ - const char *ret; - va_list argp; - lj_gc_check(L); - va_start(argp, fmt); - ret = lj_str_pushvf(L, fmt, argp); - va_end(argp); - return ret; -} - -LUA_API void lua_pushcclosure(lua_State *L, lua_CFunction f, int n) -{ - GCfunc *fn; - lj_gc_check(L); - api_checknelems(L, n); - fn = lj_func_newC(L, (MSize)n, getcurrenv(L)); - fn->c.f = f; - L->top -= n; - while (n--) - copyTV(L, &fn->c.upvalue[n], L->top+n); - setfuncV(L, L->top, fn); - lua_assert(iswhite(obj2gco(fn))); - incr_top(L); -} - -LUA_API void lua_pushboolean(lua_State *L, int b) -{ - setboolV(L->top, (b != 0)); - incr_top(L); -} - -LUA_API void lua_pushlightuserdata(lua_State *L, void *p) -{ - setlightudV(L->top, checklightudptr(L, p)); - incr_top(L); -} - -LUA_API void lua_createtable(lua_State *L, int narray, int nrec) -{ - GCtab *t; - lj_gc_check(L); - t = lj_tab_new(L, (uint32_t)(narray > 0 ? narray+1 : 0), hsize2hbits(nrec)); - settabV(L, L->top, t); - incr_top(L); -} - -LUALIB_API int luaL_newmetatable(lua_State *L, const char *tname) -{ - GCtab *regt = tabV(registry(L)); - TValue *tv = lj_tab_setstr(L, regt, lj_str_newz(L, tname)); - if (tvisnil(tv)) { - GCtab *mt = lj_tab_new(L, 0, 1); - settabV(L, tv, mt); - settabV(L, L->top++, mt); - lj_gc_anybarriert(L, regt); - return 1; - } else { - copyTV(L, L->top++, tv); - return 0; - } -} - -LUA_API int lua_pushthread(lua_State *L) -{ - setthreadV(L, L->top, L); - incr_top(L); - return (mainthread(G(L)) == L); -} - -LUA_API lua_State *lua_newthread(lua_State *L) -{ - lua_State *L1; - lj_gc_check(L); - L1 = lj_state_new(L); - setthreadV(L, L->top, L1); - incr_top(L); - return L1; -} - -LUA_API void *lua_newuserdata(lua_State *L, size_t size) -{ - GCudata *ud; - lj_gc_check(L); - if (size > LJ_MAX_UDATA) - lj_err_msg(L, LJ_ERR_UDATAOV); - ud = lj_udata_new(L, (MSize)size, getcurrenv(L)); - setudataV(L, L->top, ud); - incr_top(L); - return uddata(ud); -} - -LUA_API void lua_concat(lua_State *L, int n) -{ - api_checknelems(L, n); - if (n >= 2) { - n--; - do { - TValue *top = lj_meta_cat(L, L->top-1, n); - if (top == NULL) { - L->top -= n; - break; - } - n -= (int)(L->top - top); - L->top = top+2; - lj_vm_call(L, top, 1+1); - L->top--; - copyTV(L, L->top-1, L->top); - } while (--n > 0); - } else if (n == 0) { /* Push empty string. */ - setstrV(L, L->top, &G(L)->strempty); - incr_top(L); - } - /* else n == 1: nothing to do. */ -} - -/* -- Object getters ------------------------------------------------------ */ - -LUA_API void lua_gettable(lua_State *L, int idx) -{ - cTValue *v, *t = index2adr(L, idx); - api_checkvalidindex(L, t); - v = lj_meta_tget(L, t, L->top-1); - if (v == NULL) { - L->top += 2; - lj_vm_call(L, L->top-2, 1+1); - L->top -= 2; - v = L->top+1; - } - copyTV(L, L->top-1, v); -} - -LUA_API void lua_getfield(lua_State *L, int idx, const char *k) -{ - cTValue *v, *t = index2adr(L, idx); - TValue key; - api_checkvalidindex(L, t); - setstrV(L, &key, lj_str_newz(L, k)); - v = lj_meta_tget(L, t, &key); - if (v == NULL) { - L->top += 2; - lj_vm_call(L, L->top-2, 1+1); - L->top -= 2; - v = L->top+1; - } - copyTV(L, L->top, v); - incr_top(L); -} - -LUA_API void lua_rawget(lua_State *L, int idx) -{ - cTValue *t = index2adr(L, idx); - api_check(L, tvistab(t)); - copyTV(L, L->top-1, lj_tab_get(L, tabV(t), L->top-1)); -} - -LUA_API void lua_rawgeti(lua_State *L, int idx, int n) -{ - cTValue *v, *t = index2adr(L, idx); - api_check(L, tvistab(t)); - v = lj_tab_getint(tabV(t), n); - if (v) { - copyTV(L, L->top, v); - } else { - setnilV(L->top); - } - incr_top(L); -} - -LUA_API int lua_getmetatable(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - GCtab *mt = NULL; - if (tvistab(o)) - mt = tabref(tabV(o)->metatable); - else if (tvisudata(o)) - mt = tabref(udataV(o)->metatable); - else - mt = tabref(basemt_obj(G(L), o)); - if (mt == NULL) - return 0; - settabV(L, L->top, mt); - incr_top(L); - return 1; -} - -LUALIB_API int luaL_getmetafield(lua_State *L, int idx, const char *field) -{ - if (lua_getmetatable(L, idx)) { - cTValue *tv = lj_tab_getstr(tabV(L->top-1), lj_str_newz(L, field)); - if (tv && !tvisnil(tv)) { - copyTV(L, L->top-1, tv); - return 1; - } - L->top--; - } - return 0; -} - -LUA_API void lua_getfenv(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - api_checkvalidindex(L, o); - if (tvisfunc(o)) { - settabV(L, L->top, tabref(funcV(o)->c.env)); - } else if (tvisudata(o)) { - settabV(L, L->top, tabref(udataV(o)->env)); - } else if (tvisthread(o)) { - settabV(L, L->top, tabref(threadV(o)->env)); - } else { - setnilV(L->top); - } - incr_top(L); -} - -LUA_API int lua_next(lua_State *L, int idx) -{ - cTValue *t = index2adr(L, idx); - int more; - api_check(L, tvistab(t)); - more = lj_tab_next(L, tabV(t), L->top-1); - if (more) { - incr_top(L); /* Return new key and value slot. */ - } else { /* End of traversal. */ - L->top--; /* Remove key slot. */ - } - return more; -} - -LUA_API const char *lua_getupvalue(lua_State *L, int idx, int n) -{ - TValue *val; - const char *name = lj_debug_uvnamev(index2adr(L, idx), (uint32_t)(n-1), &val); - if (name) { - copyTV(L, L->top, val); - incr_top(L); - } - return name; -} - -LUALIB_API void *luaL_checkudata(lua_State *L, int idx, const char *tname) -{ - cTValue *o = index2adr(L, idx); - if (tvisudata(o)) { - GCudata *ud = udataV(o); - cTValue *tv = lj_tab_getstr(tabV(registry(L)), lj_str_newz(L, tname)); - if (tv && tvistab(tv) && tabV(tv) == tabref(ud->metatable)) - return uddata(ud); - } - lj_err_argtype(L, idx, tname); - return NULL; /* unreachable */ -} - -/* -- Object setters ------------------------------------------------------ */ - -LUA_API void lua_settable(lua_State *L, int idx) -{ - TValue *o; - cTValue *t = index2adr(L, idx); - api_checknelems(L, 2); - api_checkvalidindex(L, t); - o = lj_meta_tset(L, t, L->top-2); - if (o) { - /* NOBARRIER: lj_meta_tset ensures the table is not black. */ - copyTV(L, o, L->top-1); - L->top -= 2; - } else { - L->top += 3; - copyTV(L, L->top-1, L->top-6); - lj_vm_call(L, L->top-3, 0+1); - L->top -= 3; - } -} - -LUA_API void lua_setfield(lua_State *L, int idx, const char *k) -{ - TValue *o; - TValue key; - cTValue *t = index2adr(L, idx); - api_checknelems(L, 1); - api_checkvalidindex(L, t); - setstrV(L, &key, lj_str_newz(L, k)); - o = lj_meta_tset(L, t, &key); - if (o) { - L->top--; - /* NOBARRIER: lj_meta_tset ensures the table is not black. */ - copyTV(L, o, L->top); - } else { - L->top += 3; - copyTV(L, L->top-1, L->top-6); - lj_vm_call(L, L->top-3, 0+1); - L->top -= 2; - } -} - -LUA_API void lua_rawset(lua_State *L, int idx) -{ - GCtab *t = tabV(index2adr(L, idx)); - TValue *dst, *key; - api_checknelems(L, 2); - key = L->top-2; - dst = lj_tab_set(L, t, key); - copyTV(L, dst, key+1); - lj_gc_anybarriert(L, t); - L->top = key; -} - -LUA_API void lua_rawseti(lua_State *L, int idx, int n) -{ - GCtab *t = tabV(index2adr(L, idx)); - TValue *dst, *src; - api_checknelems(L, 1); - dst = lj_tab_setint(L, t, n); - src = L->top-1; - copyTV(L, dst, src); - lj_gc_barriert(L, t, dst); - L->top = src; -} - -LUA_API int lua_setmetatable(lua_State *L, int idx) -{ - global_State *g; - GCtab *mt; - cTValue *o = index2adr(L, idx); - api_checknelems(L, 1); - api_checkvalidindex(L, o); - if (tvisnil(L->top-1)) { - mt = NULL; - } else { - api_check(L, tvistab(L->top-1)); - mt = tabV(L->top-1); - } - g = G(L); - if (tvistab(o)) { - setgcref(tabV(o)->metatable, obj2gco(mt)); - if (mt) - lj_gc_objbarriert(L, tabV(o), mt); - } else if (tvisudata(o)) { - setgcref(udataV(o)->metatable, obj2gco(mt)); - if (mt) - lj_gc_objbarrier(L, udataV(o), mt); - } else { - /* Flush cache, since traces specialize to basemt. But not during __gc. */ - if (lj_trace_flushall(L)) - lj_err_caller(L, LJ_ERR_NOGCMM); - if (tvisbool(o)) { - /* NOBARRIER: basemt is a GC root. */ - setgcref(basemt_it(g, LJ_TTRUE), obj2gco(mt)); - setgcref(basemt_it(g, LJ_TFALSE), obj2gco(mt)); - } else { - /* NOBARRIER: basemt is a GC root. */ - setgcref(basemt_obj(g, o), obj2gco(mt)); - } - } - L->top--; - return 1; -} - -LUA_API int lua_setfenv(lua_State *L, int idx) -{ - cTValue *o = index2adr(L, idx); - GCtab *t; - api_checknelems(L, 1); - api_checkvalidindex(L, o); - api_check(L, tvistab(L->top-1)); - t = tabV(L->top-1); - if (tvisfunc(o)) { - setgcref(funcV(o)->c.env, obj2gco(t)); - } else if (tvisudata(o)) { - setgcref(udataV(o)->env, obj2gco(t)); - } else if (tvisthread(o)) { - setgcref(threadV(o)->env, obj2gco(t)); - } else { - L->top--; - return 0; - } - lj_gc_objbarrier(L, gcV(o), t); - L->top--; - return 1; -} - -LUA_API const char *lua_setupvalue(lua_State *L, int idx, int n) -{ - cTValue *f = index2adr(L, idx); - TValue *val; - const char *name; - api_checknelems(L, 1); - name = lj_debug_uvnamev(f, (uint32_t)(n-1), &val); - if (name) { - L->top--; - copyTV(L, val, L->top); - lj_gc_barrier(L, funcV(f), L->top); - } - return name; -} - -/* -- Calls --------------------------------------------------------------- */ - -LUA_API void lua_call(lua_State *L, int nargs, int nresults) -{ - api_check(L, L->status == 0 || L->status == LUA_ERRERR); - api_checknelems(L, nargs+1); - lj_vm_call(L, L->top - nargs, nresults+1); -} - -LUA_API int lua_pcall(lua_State *L, int nargs, int nresults, int errfunc) -{ - global_State *g = G(L); - uint8_t oldh = hook_save(g); - ptrdiff_t ef; - int status; - api_check(L, L->status == 0 || L->status == LUA_ERRERR); - api_checknelems(L, nargs+1); - if (errfunc == 0) { - ef = 0; - } else { - cTValue *o = stkindex2adr(L, errfunc); - api_checkvalidindex(L, o); - ef = savestack(L, o); - } - status = lj_vm_pcall(L, L->top - nargs, nresults+1, ef); - if (status) hook_restore(g, oldh); - return status; -} - -static TValue *cpcall(lua_State *L, lua_CFunction func, void *ud) -{ - GCfunc *fn = lj_func_newC(L, 0, getcurrenv(L)); - fn->c.f = func; - setfuncV(L, L->top, fn); - setlightudV(L->top+1, checklightudptr(L, ud)); - cframe_nres(L->cframe) = 1+0; /* Zero results. */ - L->top += 2; - return L->top-1; /* Now call the newly allocated C function. */ -} - -LUA_API int lua_cpcall(lua_State *L, lua_CFunction func, void *ud) -{ - global_State *g = G(L); - uint8_t oldh = hook_save(g); - int status; - api_check(L, L->status == 0 || L->status == LUA_ERRERR); - status = lj_vm_cpcall(L, func, ud, cpcall); - if (status) hook_restore(g, oldh); - return status; -} - -LUALIB_API int luaL_callmeta(lua_State *L, int idx, const char *field) -{ - if (luaL_getmetafield(L, idx, field)) { - TValue *base = L->top--; - copyTV(L, base, index2adr(L, idx)); - L->top = base+1; - lj_vm_call(L, base, 1+1); - return 1; - } - return 0; -} - -/* -- Coroutine yield and resume ------------------------------------------ */ - -LUA_API int lua_yield(lua_State *L, int nresults) -{ - void *cf = L->cframe; - global_State *g = G(L); - if (cframe_canyield(cf)) { - cf = cframe_raw(cf); - if (!hook_active(g)) { /* Regular yield: move results down if needed. */ - cTValue *f = L->top - nresults; - if (f > L->base) { - TValue *t = L->base; - while (--nresults >= 0) copyTV(L, t++, f++); - L->top = t; - } - } else { /* Yield from hook: add a pseudo-frame. */ - TValue *top = L->top; - hook_leave(g); - top->u64 = cframe_multres(cf); - setcont(top+1, lj_cont_hook); - setframe_pc(top+1, cframe_pc(cf)-1); - setframe_gc(top+2, obj2gco(L)); - setframe_ftsz(top+2, (int)((char *)(top+3)-(char *)L->base)+FRAME_CONT); - L->top = L->base = top+3; - } -#if LJ_TARGET_X64 - lj_err_throw(L, LUA_YIELD); -#else - L->cframe = NULL; - L->status = LUA_YIELD; - lj_vm_unwind_c(cf, LUA_YIELD); -#endif - } - lj_err_msg(L, LJ_ERR_CYIELD); - return 0; /* unreachable */ -} - -LUA_API int lua_resume(lua_State *L, int nargs) -{ - if (L->cframe == NULL && L->status <= LUA_YIELD) - return lj_vm_resume(L, L->top - nargs, 0, 0); - L->top = L->base; - setstrV(L, L->top, lj_err_str(L, LJ_ERR_COSUSP)); - incr_top(L); - return LUA_ERRRUN; -} - -/* -- Load and dump Lua code ---------------------------------------------- */ - -static TValue *cpparser(lua_State *L, lua_CFunction dummy, void *ud) -{ - LexState *ls = (LexState *)ud; - GCproto *pt; - GCfunc *fn; - UNUSED(dummy); - cframe_errfunc(L->cframe) = -1; /* Inherit error function. */ - pt = lj_lex_setup(L, ls) ? lj_bcread(ls) : lj_parse(ls); - fn = lj_func_newL_empty(L, pt, tabref(L->env)); - /* Don't combine above/below into one statement. */ - setfuncV(L, L->top++, fn); - return NULL; -} - -LUA_API int lua_load(lua_State *L, lua_Reader reader, void *data, - const char *chunkname) -{ - LexState ls; - int status; - ls.rfunc = reader; - ls.rdata = data; - ls.chunkarg = chunkname ? chunkname : "?"; - lj_str_initbuf(&ls.sb); - status = lj_vm_cpcall(L, NULL, &ls, cpparser); - lj_lex_cleanup(L, &ls); - lj_gc_check(L); - return status; -} - -LUA_API int lua_dump(lua_State *L, lua_Writer writer, void *data) -{ - cTValue *o = L->top-1; - api_checknelems(L, 1); - if (tvisfunc(o) && isluafunc(funcV(o))) - return lj_bcwrite(L, funcproto(funcV(o)), writer, data, 0); - else - return 1; -} - -/* -- GC and memory management -------------------------------------------- */ - -LUA_API int lua_gc(lua_State *L, int what, int data) -{ - global_State *g = G(L); - int res = 0; - switch (what) { - case LUA_GCSTOP: - g->gc.threshold = LJ_MAX_MEM; - break; - case LUA_GCRESTART: - g->gc.threshold = data == -1 ? (g->gc.total/100)*g->gc.pause : g->gc.total; - break; - case LUA_GCCOLLECT: - lj_gc_fullgc(L); - break; - case LUA_GCCOUNT: - res = (int)(g->gc.total >> 10); - break; - case LUA_GCCOUNTB: - res = (int)(g->gc.total & 0x3ff); - break; - case LUA_GCSTEP: { - MSize a = (MSize)data << 10; - g->gc.threshold = (a <= g->gc.total) ? (g->gc.total - a) : 0; - while (g->gc.total >= g->gc.threshold) - if (lj_gc_step(L)) { - res = 1; - break; - } - break; - } - case LUA_GCSETPAUSE: - res = (int)(g->gc.pause); - g->gc.pause = (MSize)data; - break; - case LUA_GCSETSTEPMUL: - res = (int)(g->gc.stepmul); - g->gc.stepmul = (MSize)data; - break; - default: - res = -1; /* Invalid option. */ - } - return res; -} - -LUA_API lua_Alloc lua_getallocf(lua_State *L, void **ud) -{ - global_State *g = G(L); - if (ud) *ud = g->allocd; - return g->allocf; -} - -LUA_API void lua_setallocf(lua_State *L, lua_Alloc f, void *ud) -{ - global_State *g = G(L); - g->allocd = ud; - g->allocf = f; -} - diff --git a/libraries/luajit-2.0/src/lj_arch.h b/libraries/luajit-2.0/src/lj_arch.h deleted file mode 100644 index 3a52c21..0000000 --- a/libraries/luajit-2.0/src/lj_arch.h +++ /dev/null @@ -1,324 +0,0 @@ -/* -** Target architecture selection. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_ARCH_H -#define _LJ_ARCH_H - -#include "lua.h" - -/* Target endianess. */ -#define LUAJIT_LE 0 -#define LUAJIT_BE 1 - -/* Target architectures. */ -#define LUAJIT_ARCH_X86 1 -#define LUAJIT_ARCH_x86 1 -#define LUAJIT_ARCH_X64 2 -#define LUAJIT_ARCH_x64 2 -#define LUAJIT_ARCH_ARM 3 -#define LUAJIT_ARCH_arm 3 -#define LUAJIT_ARCH_PPC 4 -#define LUAJIT_ARCH_ppc 4 -#define LUAJIT_ARCH_PPCSPE 5 -#define LUAJIT_ARCH_ppcspe 5 -#define LUAJIT_ARCH_MIPS 6 -#define LUAJIT_ARCH_mips 6 - -/* Target OS. */ -#define LUAJIT_OS_OTHER 0 -#define LUAJIT_OS_WINDOWS 1 -#define LUAJIT_OS_LINUX 2 -#define LUAJIT_OS_OSX 3 -#define LUAJIT_OS_BSD 4 -#define LUAJIT_OS_POSIX 5 - -/* Select native target if no target defined. */ -#ifndef LUAJIT_TARGET - -#if defined(__i386) || defined(__i386__) || defined(_M_IX86) -#define LUAJIT_TARGET LUAJIT_ARCH_X86 -#elif defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64) -#define LUAJIT_TARGET LUAJIT_ARCH_X64 -#elif defined(__arm__) || defined(__arm) || defined(__ARM__) || defined(__ARM) -#define LUAJIT_TARGET LUAJIT_ARCH_ARM -#elif defined(__ppc__) || defined(__ppc) || defined(__PPC__) || defined(__PPC) || defined(__powerpc__) || defined(__powerpc) || defined(__POWERPC__) || defined(__POWERPC) || defined(_M_PPC) -#ifdef __NO_FPRS__ -#define LUAJIT_TARGET LUAJIT_ARCH_PPCSPE -#else -#define LUAJIT_TARGET LUAJIT_ARCH_PPC -#endif -#elif defined(__mips__) || defined(__mips) || defined(__MIPS__) || defined(__MIPS) -#define LUAJIT_TARGET LUAJIT_ARCH_MIPS -#else -#error "No support for this architecture (yet)" -#endif - -#endif - -/* Select native OS if no target OS defined. */ -#ifndef LUAJIT_OS - -#if defined(_WIN32) -#define LUAJIT_OS LUAJIT_OS_WINDOWS -#elif defined(__linux__) -#define LUAJIT_OS LUAJIT_OS_LINUX -#elif defined(__MACH__) && defined(__APPLE__) -#define LUAJIT_OS LUAJIT_OS_OSX -#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \ - defined(__NetBSD__) || defined(__OpenBSD__) -#define LUAJIT_OS LUAJIT_OS_BSD -#elif (defined(__sun__) && defined(__svr4__)) || defined(__solaris__) || \ - defined(__CYGWIN__) -#define LUAJIT_OS LUAJIT_OS_POSIX -#else -#define LUAJIT_OS LUAJIT_OS_OTHER -#endif - -#endif - -/* Set target OS properties. */ -#if LUAJIT_OS == LUAJIT_OS_WINDOWS -#define LJ_OS_NAME "Windows" -#elif LUAJIT_OS == LUAJIT_OS_LINUX -#define LJ_OS_NAME "Linux" -#elif LUAJIT_OS == LUAJIT_OS_OSX -#define LJ_OS_NAME "OSX" -#elif LUAJIT_OS == LUAJIT_OS_BSD -#define LJ_OS_NAME "BSD" -#elif LUAJIT_OS == LUAJIT_OS_POSIX -#define LJ_OS_NAME "POSIX" -#else -#define LJ_OS_NAME "Other" -#endif - -#define LJ_TARGET_WINDOWS (LUAJIT_OS == LUAJIT_OS_WINDOWS) -#define LJ_TARGET_LINUX (LUAJIT_OS == LUAJIT_OS_LINUX) -#define LJ_TARGET_OSX (LUAJIT_OS == LUAJIT_OS_OSX) -#define LJ_TARGET_POSIX (LUAJIT_OS > LUAJIT_OS_WINDOWS) -#define LJ_TARGET_DLOPEN LJ_TARGET_POSIX - -#define LJ_NUMMODE_SINGLE 0 /* Single-number mode only. */ -#define LJ_NUMMODE_SINGLE_DUAL 1 /* Default to single-number mode. */ -#define LJ_NUMMODE_DUAL 2 /* Dual-number mode only. */ -#define LJ_NUMMODE_DUAL_SINGLE 3 /* Default to dual-number mode. */ - -/* Set target architecture properties. */ -#if LUAJIT_TARGET == LUAJIT_ARCH_X86 - -#define LJ_ARCH_NAME "x86" -#define LJ_ARCH_BITS 32 -#define LJ_ARCH_ENDIAN LUAJIT_LE -#define LJ_ARCH_HASFPU 1 -#define LJ_ABI_WIN LJ_TARGET_WINDOWS -#define LJ_TARGET_X86 1 -#define LJ_TARGET_X86ORX64 1 -#define LJ_TARGET_EHRETREG 0 -#define LJ_TARGET_MASKSHIFT 1 -#define LJ_TARGET_MASKROT 1 -#define LJ_ARCH_NUMMODE LJ_NUMMODE_SINGLE_DUAL - -#elif LUAJIT_TARGET == LUAJIT_ARCH_X64 - -#define LJ_ARCH_NAME "x64" -#define LJ_ARCH_BITS 64 -#define LJ_ARCH_ENDIAN LUAJIT_LE -#define LJ_ARCH_HASFPU 1 -#define LJ_ABI_WIN LJ_TARGET_WINDOWS -#define LJ_TARGET_X64 1 -#define LJ_TARGET_X86ORX64 1 -#define LJ_TARGET_EHRETREG 0 -#define LJ_TARGET_JUMPRANGE 31 /* +-2^31 = +-2GB */ -#define LJ_TARGET_MASKSHIFT 1 -#define LJ_TARGET_MASKROT 1 -#define LJ_ARCH_NUMMODE LJ_NUMMODE_SINGLE_DUAL - -#elif LUAJIT_TARGET == LUAJIT_ARCH_ARM - -#define LJ_ARCH_NAME "arm" -#define LJ_ARCH_BITS 32 -#define LJ_ARCH_ENDIAN LUAJIT_LE -#define LJ_ARCH_HASFPU 0 -#define LJ_ABI_SOFTFP 1 -#define LJ_ABI_EABI 1 -#define LJ_TARGET_ARM 1 -#define LJ_TARGET_EHRETREG 0 -#define LJ_TARGET_JUMPRANGE 25 /* +-2^25 = +-32MB */ -#define LJ_TARGET_MASKSHIFT 0 -#define LJ_TARGET_MASKROT 1 -#define LJ_TARGET_UNIFYROT 2 /* Want only IR_BROR. */ -#define LJ_ARCH_NUMMODE LJ_NUMMODE_DUAL -#if LJ_TARGET_OSX -/* Runtime code generation is restricted on iOS. Complain to Apple, not me. */ -#define LJ_ARCH_NOJIT 1 -#endif - -#elif LUAJIT_TARGET == LUAJIT_ARCH_PPC - -#define LJ_ARCH_NAME "ppc" -#define LJ_ARCH_BITS 32 -#define LJ_ARCH_ENDIAN LUAJIT_BE -#define LJ_ARCH_HASFPU 1 -#define LJ_TARGET_PPC 1 -#define LJ_TARGET_EHRETREG 3 -#define LJ_TARGET_JUMPRANGE 25 /* +-2^25 = +-32MB */ -#define LJ_TARGET_MASKSHIFT 0 -#define LJ_TARGET_MASKROT 1 -#define LJ_TARGET_UNIFYROT 1 /* Want only IR_BROL. */ -#define LJ_ARCH_NUMMODE LJ_NUMMODE_DUAL_SINGLE - -#elif LUAJIT_TARGET == LUAJIT_ARCH_PPCSPE - -#define LJ_ARCH_NAME "ppcspe" -#define LJ_ARCH_BITS 32 -#define LJ_ARCH_ENDIAN LUAJIT_BE -#define LJ_ARCH_HASFPU 1 -#define LJ_ABI_SOFTFP 1 -#define LJ_ABI_EABI 1 -#define LJ_TARGET_PPCSPE 1 -#define LJ_TARGET_EHRETREG 3 -#define LJ_TARGET_JUMPRANGE 25 /* +-2^25 = +-32MB */ -#define LJ_TARGET_MASKSHIFT 0 -#define LJ_TARGET_MASKROT 1 -#define LJ_TARGET_UNIFYROT 1 /* Want only IR_BROL. */ -#define LJ_ARCH_NUMMODE LJ_NUMMODE_SINGLE -#define LJ_ARCH_NOFFI 1 /* NYI: comparisons, calls. */ -#define LJ_ARCH_NOJIT 1 - -#elif LUAJIT_TARGET == LUAJIT_ARCH_MIPS - -#define LJ_ARCH_NAME "mips" -#define LJ_ARCH_BITS 32 -#if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) -#define LJ_ARCH_ENDIAN LUAJIT_LE -#else -#define LJ_ARCH_ENDIAN LUAJIT_BE -#endif -#define LJ_ARCH_HASFPU 1 -#define LJ_TARGET_MIPS 1 -#define LJ_TARGET_EHRETREG 4 -#define LJ_TARGET_JUMPRANGE 27 /* 2*2^27 = 256MB-aligned region */ -#define LJ_TARGET_MASKSHIFT 1 -#define LJ_TARGET_MASKROT 1 -#define LJ_TARGET_UNIFYROT 2 /* Want only IR_BROR. */ -#define LJ_ARCH_NUMMODE LJ_NUMMODE_SINGLE -#define LJ_ARCH_NOFFI 1 -#define LJ_ARCH_NOJIT 1 - -#else -#error "No target architecture defined" -#endif - -#ifndef LJ_PAGESIZE -#define LJ_PAGESIZE 4096 -#endif - -/* Check for minimum required compiler versions. */ -#if defined(__GNUC__) -#if LJ_TARGET_X64 -#if __GNUC__ < 4 -#error "Need at least GCC 4.0 or newer" -#endif -#elif LJ_TARGET_ARM -#if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 2) -#error "Need at least GCC 4.2 or newer" -#endif -#elif LJ_TARGET_PPC -#if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 3) -#error "Need at least GCC 4.3 or newer" -#endif -#else -#if (__GNUC__ < 3) || ((__GNUC__ == 3) && __GNUC_MINOR__ < 4) -#error "Need at least GCC 3.4 or newer" -#endif -#endif -#endif - -/* Check target-specific constraints. */ -#ifndef _BUILDVM_H -#if LJ_TARGET_ARM -#if defined(__ARMEB__) -#error "No support for big-endian ARM" -#endif -#if defined(__ARM_PCS_VFP) -#error "No support for ARM hard-float ABI (yet)" -#endif -#if !(__ARM_EABI__ || LJ_TARGET_OSX) -#error "Only ARM EABI or iOS 3.0+ ABI is supported" -#endif -#elif LJ_TARGET_PPC || LJ_TARGET_PPCSPE -#if defined(_SOFT_FLOAT) || defined(_SOFT_DOUBLE) -#error "No support for PowerPC CPUs without double-precision FPU" -#endif -#if defined(_LITTLE_ENDIAN) -#error "No support for little-endian PowerPC" -#endif -#if defined(_LP64) -#error "No support for PowerPC 64 bit mode" -#endif -#endif -#endif - -/* Enable or disable the dual-number mode for the VM. */ -#if (LJ_ARCH_NUMMODE == LJ_NUMMODE_SINGLE && LUAJIT_NUMMODE == 2) || \ - (LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL && LUAJIT_NUMMODE == 1) -#error "No support for this number mode on this architecture" -#endif -#if LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL || \ - (LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL_SINGLE && LUAJIT_NUMMODE != 1) || \ - (LJ_ARCH_NUMMODE == LJ_NUMMODE_SINGLE_DUAL && LUAJIT_NUMMODE == 2) -#define LJ_DUALNUM 1 -#else -#define LJ_DUALNUM 0 -#endif - -/* Disable or enable the JIT compiler. */ -#if defined(LUAJIT_DISABLE_JIT) || defined(LJ_ARCH_NOJIT) -#define LJ_HASJIT 0 -#else -#define LJ_HASJIT 1 -#endif - -/* Disable or enable the FFI extension. */ -#if defined(LUAJIT_DISABLE_FFI) || defined(LJ_ARCH_NOFFI) -#define LJ_HASFFI 0 -#else -#define LJ_HASFFI 1 -#endif - -#define LJ_SOFTFP (!LJ_ARCH_HASFPU) - -#if LJ_ARCH_ENDIAN == LUAJIT_BE -#define LJ_LE 0 -#define LJ_BE 1 -#define LJ_ENDIAN_SELECT(le, be) be -#define LJ_ENDIAN_LOHI(lo, hi) hi lo -#else -#define LJ_LE 1 -#define LJ_BE 0 -#define LJ_ENDIAN_SELECT(le, be) le -#define LJ_ENDIAN_LOHI(lo, hi) lo hi -#endif - -#if LJ_ARCH_BITS == 32 -#define LJ_32 1 -#define LJ_64 0 -#else -#define LJ_32 0 -#define LJ_64 1 -#endif - -/* Various workarounds for embedded operating systems. */ -#if defined(__ANDROID__) || defined(__symbian__) -#define LUAJIT_NO_LOG2 -#endif -#if defined(__symbian__) -#define LUAJIT_NO_EXP2 -#endif - -#if defined(__symbian__) || (LJ_TARGET_ARM && LJ_TARGET_OSX) -#define LUAJIT_NO_UNWIND -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_asm.c b/libraries/luajit-2.0/src/lj_asm.c deleted file mode 100644 index 1103e99..0000000 --- a/libraries/luajit-2.0/src/lj_asm.c +++ /dev/null @@ -1,1741 +0,0 @@ -/* -** IR assembler (SSA IR -> machine code). -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_asm_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_gc.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_frame.h" -#if LJ_HASFFI -#include "lj_ctype.h" -#endif -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_ircall.h" -#include "lj_iropt.h" -#include "lj_mcode.h" -#include "lj_iropt.h" -#include "lj_trace.h" -#include "lj_snap.h" -#include "lj_asm.h" -#include "lj_dispatch.h" -#include "lj_vm.h" -#include "lj_target.h" - -/* -- Assembler state and common macros ----------------------------------- */ - -/* Assembler state. */ -typedef struct ASMState { - RegCost cost[RID_MAX]; /* Reference and blended allocation cost for regs. */ - - MCode *mcp; /* Current MCode pointer (grows down). */ - MCode *mclim; /* Lower limit for MCode memory + red zone. */ - - IRIns *ir; /* Copy of pointer to IR instructions/constants. */ - jit_State *J; /* JIT compiler state. */ - -#if LJ_TARGET_X86ORX64 - x86ModRM mrm; /* Fused x86 address operand. */ -#endif - - RegSet freeset; /* Set of free registers. */ - RegSet modset; /* Set of registers modified inside the loop. */ - RegSet weakset; /* Set of weakly referenced registers. */ - RegSet phiset; /* Set of PHI registers. */ - - uint32_t flags; /* Copy of JIT compiler flags. */ - int loopinv; /* Loop branch inversion (0:no, 1:yes, 2:yes+CC_P). */ - - int32_t evenspill; /* Next even spill slot. */ - int32_t oddspill; /* Next odd spill slot (or 0). */ - - IRRef curins; /* Reference of current instruction. */ - IRRef stopins; /* Stop assembly before hitting this instruction. */ - IRRef orignins; /* Original T->nins. */ - - IRRef snapref; /* Current snapshot is active after this reference. */ - IRRef snaprename; /* Rename highwater mark for snapshot check. */ - SnapNo snapno; /* Current snapshot number. */ - SnapNo loopsnapno; /* Loop snapshot number. */ - - IRRef fuseref; /* Fusion limit (loopref, 0 or FUSE_DISABLED). */ - IRRef sectref; /* Section base reference (loopref or 0). */ - IRRef loopref; /* Reference of LOOP instruction (or 0). */ - - BCReg topslot; /* Number of slots for stack check (unless 0). */ - MSize gcsteps; /* Accumulated number of GC steps (per section). */ - - GCtrace *T; /* Trace to assemble. */ - GCtrace *parent; /* Parent trace (or NULL). */ - - MCode *mcbot; /* Bottom of reserved MCode. */ - MCode *mctop; /* Top of generated MCode. */ - MCode *mcloop; /* Pointer to loop MCode (or NULL). */ - MCode *invmcp; /* Points to invertible loop branch (or NULL). */ - MCode *flagmcp; /* Pending opportunity to merge flag setting ins. */ - MCode *realign; /* Realign loop if not NULL. */ - -#ifdef RID_NUM_KREF - int32_t krefk[RID_NUM_KREF]; -#endif - IRRef1 phireg[RID_MAX]; /* PHI register references. */ - uint16_t parentmap[LJ_MAX_JSLOTS]; /* Parent slot to RegSP map. */ -#if LJ_SOFTFP - uint16_t parentmaphi[LJ_MAX_JSLOTS]; /* Parent slot to hi RegSP map. */ -#endif -} ASMState; - -#define IR(ref) (&as->ir[(ref)]) - -#define ASMREF_TMP1 REF_TRUE /* Temp. register. */ -#define ASMREF_TMP2 REF_FALSE /* Temp. register. */ -#define ASMREF_L REF_NIL /* Stores register for L. */ - -/* Check for variant to invariant references. */ -#define iscrossref(as, ref) ((ref) < as->sectref) - -/* Inhibit memory op fusion from variant to invariant references. */ -#define FUSE_DISABLED (~(IRRef)0) -#define mayfuse(as, ref) ((ref) > as->fuseref) -#define neverfuse(as) (as->fuseref == FUSE_DISABLED) -#define canfuse(as, ir) (!neverfuse(as) && !irt_isphi((ir)->t)) -#define opisfusableload(o) \ - ((o) == IR_ALOAD || (o) == IR_HLOAD || (o) == IR_ULOAD || \ - (o) == IR_FLOAD || (o) == IR_XLOAD || (o) == IR_SLOAD || (o) == IR_VLOAD) - -/* Sparse limit checks using a red zone before the actual limit. */ -#define MCLIM_REDZONE 64 -#define checkmclim(as) \ - if (LJ_UNLIKELY(as->mcp < as->mclim)) asm_mclimit(as) - -static LJ_NORET LJ_NOINLINE void asm_mclimit(ASMState *as) -{ - lj_mcode_limiterr(as->J, (size_t)(as->mctop - as->mcp + 4*MCLIM_REDZONE)); -} - -#ifdef RID_NUM_KREF -#define ra_iskref(ref) ((ref) < RID_NUM_KREF) -#define ra_krefreg(ref) ((Reg)(RID_MIN_KREF + (Reg)(ref))) -#define ra_krefk(as, ref) (as->krefk[(ref)]) - -static LJ_AINLINE void ra_setkref(ASMState *as, Reg r, int32_t k) -{ - IRRef ref = (IRRef)(r - RID_MIN_KREF); - as->krefk[ref] = k; - as->cost[r] = REGCOST(ref, ref); -} - -#else -#define ra_iskref(ref) 0 -#define ra_krefreg(ref) RID_MIN_GPR -#define ra_krefk(as, ref) 0 -#endif - -/* Arch-specific field offsets. */ -static const uint8_t field_ofs[IRFL__MAX+1] = { -#define FLOFS(name, ofs) (uint8_t)(ofs), -IRFLDEF(FLOFS) -#undef FLOFS - 0 -}; - -/* -- Target-specific instruction emitter --------------------------------- */ - -#if LJ_TARGET_X86ORX64 -#include "lj_emit_x86.h" -#elif LJ_TARGET_ARM -#include "lj_emit_arm.h" -#elif LJ_TARGET_PPC -#include "lj_emit_ppc.h" -#else -#error "Missing instruction emitter for target CPU" -#endif - -/* -- Register allocator debugging ---------------------------------------- */ - -/* #define LUAJIT_DEBUG_RA */ - -#ifdef LUAJIT_DEBUG_RA - -#include -#include - -#define RIDNAME(name) #name, -static const char *const ra_regname[] = { - GPRDEF(RIDNAME) - FPRDEF(RIDNAME) - VRIDDEF(RIDNAME) - NULL -}; -#undef RIDNAME - -static char ra_dbg_buf[65536]; -static char *ra_dbg_p; -static char *ra_dbg_merge; -static MCode *ra_dbg_mcp; - -static void ra_dstart(void) -{ - ra_dbg_p = ra_dbg_buf; - ra_dbg_merge = NULL; - ra_dbg_mcp = NULL; -} - -static void ra_dflush(void) -{ - fwrite(ra_dbg_buf, 1, (size_t)(ra_dbg_p-ra_dbg_buf), stdout); - ra_dstart(); -} - -static void ra_dprintf(ASMState *as, const char *fmt, ...) -{ - char *p; - va_list argp; - va_start(argp, fmt); - p = ra_dbg_mcp == as->mcp ? ra_dbg_merge : ra_dbg_p; - ra_dbg_mcp = NULL; - p += sprintf(p, "%08x \e[36m%04d ", (uintptr_t)as->mcp, as->curins-REF_BIAS); - for (;;) { - const char *e = strchr(fmt, '$'); - if (e == NULL) break; - memcpy(p, fmt, (size_t)(e-fmt)); - p += e-fmt; - if (e[1] == 'r') { - Reg r = va_arg(argp, Reg) & RID_MASK; - if (r <= RID_MAX) { - const char *q; - for (q = ra_regname[r]; *q; q++) - *p++ = *q >= 'A' && *q <= 'Z' ? *q + 0x20 : *q; - } else { - *p++ = '?'; - lua_assert(0); - } - } else if (e[1] == 'f' || e[1] == 'i') { - IRRef ref; - if (e[1] == 'f') - ref = va_arg(argp, IRRef); - else - ref = va_arg(argp, IRIns *) - as->ir; - if (ref >= REF_BIAS) - p += sprintf(p, "%04d", ref - REF_BIAS); - else - p += sprintf(p, "K%03d", REF_BIAS - ref); - } else if (e[1] == 's') { - uint32_t slot = va_arg(argp, uint32_t); - p += sprintf(p, "[sp+0x%x]", sps_scale(slot)); - } else if (e[1] == 'x') { - p += sprintf(p, "%08x", va_arg(argp, int32_t)); - } else { - lua_assert(0); - } - fmt = e+2; - } - va_end(argp); - while (*fmt) - *p++ = *fmt++; - *p++ = '\e'; *p++ = '['; *p++ = 'm'; *p++ = '\n'; - if (p > ra_dbg_buf+sizeof(ra_dbg_buf)-256) { - fwrite(ra_dbg_buf, 1, (size_t)(p-ra_dbg_buf), stdout); - p = ra_dbg_buf; - } - ra_dbg_p = p; -} - -#define RA_DBG_START() ra_dstart() -#define RA_DBG_FLUSH() ra_dflush() -#define RA_DBG_REF() \ - do { char *_p = ra_dbg_p; ra_dprintf(as, ""); \ - ra_dbg_merge = _p; ra_dbg_mcp = as->mcp; } while (0) -#define RA_DBGX(x) ra_dprintf x - -#else -#define RA_DBG_START() ((void)0) -#define RA_DBG_FLUSH() ((void)0) -#define RA_DBG_REF() ((void)0) -#define RA_DBGX(x) ((void)0) -#endif - -/* -- Register allocator -------------------------------------------------- */ - -#define ra_free(as, r) rset_set(as->freeset, (r)) -#define ra_modified(as, r) rset_set(as->modset, (r)) -#define ra_weak(as, r) rset_set(as->weakset, (r)) -#define ra_noweak(as, r) rset_clear(as->weakset, (r)) - -#define ra_used(ir) (ra_hasreg((ir)->r) || ra_hasspill((ir)->s)) - -/* Setup register allocator. */ -static void ra_setup(ASMState *as) -{ - Reg r; - /* Initially all regs (except the stack pointer) are free for use. */ - as->freeset = RSET_INIT; - as->modset = RSET_EMPTY; - as->weakset = RSET_EMPTY; - as->phiset = RSET_EMPTY; - memset(as->phireg, 0, sizeof(as->phireg)); - for (r = RID_MIN_GPR; r < RID_MAX; r++) - as->cost[r] = REGCOST(~0u, 0u); -} - -/* Rematerialize constants. */ -static Reg ra_rematk(ASMState *as, IRRef ref) -{ - IRIns *ir; - Reg r; - if (ra_iskref(ref)) { - r = ra_krefreg(ref); - lua_assert(!rset_test(as->freeset, r)); - ra_free(as, r); - ra_modified(as, r); - emit_loadi(as, r, ra_krefk(as, ref)); - return r; - } - ir = IR(ref); - r = ir->r; - lua_assert(ra_hasreg(r) && !ra_hasspill(ir->s)); - ra_free(as, r); - ra_modified(as, r); - ir->r = RID_INIT; /* Do not keep any hint. */ - RA_DBGX((as, "remat $i $r", ir, r)); -#if !LJ_SOFTFP - if (ir->o == IR_KNUM) { - emit_loadn(as, r, ir_knum(ir)); - } else -#endif - if (emit_canremat(REF_BASE) && ir->o == IR_BASE) { - ra_sethint(ir->r, RID_BASE); /* Restore BASE register hint. */ - emit_getgl(as, r, jit_base); - } else if (emit_canremat(ASMREF_L) && ir->o == IR_KPRI) { - lua_assert(irt_isnil(ir->t)); /* REF_NIL stores ASMREF_L register. */ - emit_getgl(as, r, jit_L); -#if LJ_64 - } else if (ir->o == IR_KINT64) { - emit_loadu64(as, r, ir_kint64(ir)->u64); -#endif - } else { - lua_assert(ir->o == IR_KINT || ir->o == IR_KGC || - ir->o == IR_KPTR || ir->o == IR_KKPTR || ir->o == IR_KNULL); - emit_loadi(as, r, ir->i); - } - return r; -} - -/* Force a spill. Allocate a new spill slot if needed. */ -static int32_t ra_spill(ASMState *as, IRIns *ir) -{ - int32_t slot = ir->s; - if (!ra_hasspill(slot)) { - if (irt_is64(ir->t)) { - slot = as->evenspill; - as->evenspill += 2; - } else if (as->oddspill) { - slot = as->oddspill; - as->oddspill = 0; - } else { - slot = as->evenspill; - as->oddspill = slot+1; - as->evenspill += 2; - } - if (as->evenspill > 256) - lj_trace_err(as->J, LJ_TRERR_SPILLOV); - ir->s = (uint8_t)slot; - } - return sps_scale(slot); -} - -/* Release the temporarily allocated register in ASMREF_TMP1/ASMREF_TMP2. */ -static Reg ra_releasetmp(ASMState *as, IRRef ref) -{ - IRIns *ir = IR(ref); - Reg r = ir->r; - lua_assert(ra_hasreg(r) && !ra_hasspill(ir->s)); - ra_free(as, r); - ra_modified(as, r); - ir->r = RID_INIT; - return r; -} - -/* Restore a register (marked as free). Rematerialize or force a spill. */ -static Reg ra_restore(ASMState *as, IRRef ref) -{ - if (emit_canremat(ref)) { - return ra_rematk(as, ref); - } else { - IRIns *ir = IR(ref); - int32_t ofs = ra_spill(as, ir); /* Force a spill slot. */ - Reg r = ir->r; - lua_assert(ra_hasreg(r)); - ra_sethint(ir->r, r); /* Keep hint. */ - ra_free(as, r); - if (!rset_test(as->weakset, r)) { /* Only restore non-weak references. */ - ra_modified(as, r); - RA_DBGX((as, "restore $i $r", ir, r)); - emit_spload(as, ir, r, ofs); - } - return r; - } -} - -/* Save a register to a spill slot. */ -static void ra_save(ASMState *as, IRIns *ir, Reg r) -{ - RA_DBGX((as, "save $i $r", ir, r)); - emit_spstore(as, ir, r, sps_scale(ir->s)); -} - -#define MINCOST(name) \ - if (rset_test(RSET_ALL, RID_##name) && \ - LJ_LIKELY(allow&RID2RSET(RID_##name)) && as->cost[RID_##name] < cost) \ - cost = as->cost[RID_##name]; - -/* Evict the register with the lowest cost, forcing a restore. */ -static Reg ra_evict(ASMState *as, RegSet allow) -{ - IRRef ref; - RegCost cost = ~(RegCost)0; - lua_assert(allow != RSET_EMPTY); - if (RID_NUM_FPR == 0 || allow < RID2RSET(RID_MAX_GPR)) { - GPRDEF(MINCOST) - } else { - FPRDEF(MINCOST) - } - ref = regcost_ref(cost); - lua_assert(ra_iskref(ref) || (ref >= as->T->nk && ref < as->T->nins)); - /* Preferably pick any weak ref instead of a non-weak, non-const ref. */ - if (!irref_isk(ref) && (as->weakset & allow)) { - IRIns *ir = IR(ref); - if (!rset_test(as->weakset, ir->r)) - ref = regcost_ref(as->cost[rset_pickbot((as->weakset & allow))]); - } - return ra_restore(as, ref); -} - -/* Pick any register (marked as free). Evict on-demand. */ -static Reg ra_pick(ASMState *as, RegSet allow) -{ - RegSet pick = as->freeset & allow; - if (!pick) - return ra_evict(as, allow); - else - return rset_picktop(pick); -} - -/* Get a scratch register (marked as free). */ -static Reg ra_scratch(ASMState *as, RegSet allow) -{ - Reg r = ra_pick(as, allow); - ra_modified(as, r); - RA_DBGX((as, "scratch $r", r)); - return r; -} - -/* Evict all registers from a set (if not free). */ -static void ra_evictset(ASMState *as, RegSet drop) -{ - as->modset |= drop; - drop &= ~as->freeset; - while (drop) { - Reg r = rset_pickbot(drop); - ra_restore(as, regcost_ref(as->cost[r])); - rset_clear(drop, r); - checkmclim(as); - } -} - -/* Evict (rematerialize) all registers allocated to constants. */ -static void ra_evictk(ASMState *as) -{ - RegSet work; -#if !LJ_SOFTFP - work = ~as->freeset & RSET_FPR; - while (work) { - Reg r = rset_pickbot(work); - IRRef ref = regcost_ref(as->cost[r]); - if (emit_canremat(ref) && irref_isk(ref)) { - ra_rematk(as, ref); - checkmclim(as); - } - rset_clear(work, r); - } -#endif - work = ~as->freeset & RSET_GPR; - while (work) { - Reg r = rset_pickbot(work); - IRRef ref = regcost_ref(as->cost[r]); - if (emit_canremat(ref) && irref_isk(ref)) { - ra_rematk(as, ref); - checkmclim(as); - } - rset_clear(work, r); - } -} - -#ifdef RID_NUM_KREF -/* Allocate a register for a constant. */ -static Reg ra_allock(ASMState *as, int32_t k, RegSet allow) -{ - /* First try to find a register which already holds the same constant. */ - RegSet pick, work = ~as->freeset & RSET_GPR; - Reg r; - while (work) { - IRRef ref; - r = rset_pickbot(work); - ref = regcost_ref(as->cost[r]); - if (ref < ASMREF_L && - k == (ra_iskref(ref) ? ra_krefk(as, ref) : IR(ref)->i)) - return r; - rset_clear(work, r); - } - pick = as->freeset & allow; - if (pick) { - /* Constants should preferably get unmodified registers. */ - if ((pick & ~as->modset)) - pick &= ~as->modset; - r = rset_pickbot(pick); /* Reduce conflicts with inverse allocation. */ - } else { - r = ra_evict(as, allow); - } - RA_DBGX((as, "allock $x $r", k, r)); - ra_setkref(as, r, k); - rset_clear(as->freeset, r); - ra_noweak(as, r); - return r; -} - -/* Allocate a specific register for a constant. */ -static void ra_allockreg(ASMState *as, int32_t k, Reg r) -{ - Reg kr = ra_allock(as, k, RID2RSET(r)); - if (kr != r) { - IRIns irdummy; - irdummy.t.irt = IRT_INT; - ra_scratch(as, RID2RSET(r)); - emit_movrr(as, &irdummy, r, kr); - } -} -#else -#define ra_allockreg(as, k, r) emit_loadi(as, (r), (k)) -#endif - -/* Allocate a register for ref from the allowed set of registers. -** Note: this function assumes the ref does NOT have a register yet! -** Picks an optimal register, sets the cost and marks the register as non-free. -*/ -static Reg ra_allocref(ASMState *as, IRRef ref, RegSet allow) -{ - IRIns *ir = IR(ref); - RegSet pick = as->freeset & allow; - Reg r; - lua_assert(ra_noreg(ir->r)); - if (pick) { - /* First check register hint from propagation or PHI. */ - if (ra_hashint(ir->r)) { - r = ra_gethint(ir->r); - if (rset_test(pick, r)) /* Use hint register if possible. */ - goto found; - /* Rematerialization is cheaper than missing a hint. */ - if (rset_test(allow, r) && emit_canremat(regcost_ref(as->cost[r]))) { - ra_rematk(as, regcost_ref(as->cost[r])); - goto found; - } - RA_DBGX((as, "hintmiss $f $r", ref, r)); - } - /* Invariants should preferably get unmodified registers. */ - if (ref < as->loopref && !irt_isphi(ir->t)) { - if ((pick & ~as->modset)) - pick &= ~as->modset; - r = rset_pickbot(pick); /* Reduce conflicts with inverse allocation. */ - } else { - /* We've got plenty of regs, so get callee-save regs if possible. */ - if (RID_NUM_GPR > 8 && (pick & ~RSET_SCRATCH)) - pick &= ~RSET_SCRATCH; - r = rset_picktop(pick); - } - } else { - r = ra_evict(as, allow); - } -found: - RA_DBGX((as, "alloc $f $r", ref, r)); - ir->r = (uint8_t)r; - rset_clear(as->freeset, r); - ra_noweak(as, r); - as->cost[r] = REGCOST_REF_T(ref, irt_t(ir->t)); - return r; -} - -/* Allocate a register on-demand. */ -static Reg ra_alloc1(ASMState *as, IRRef ref, RegSet allow) -{ - Reg r = IR(ref)->r; - /* Note: allow is ignored if the register is already allocated. */ - if (ra_noreg(r)) r = ra_allocref(as, ref, allow); - ra_noweak(as, r); - return r; -} - -/* Rename register allocation and emit move. */ -static void ra_rename(ASMState *as, Reg down, Reg up) -{ - IRRef ren, ref = regcost_ref(as->cost[up] = as->cost[down]); - IRIns *ir = IR(ref); - ir->r = (uint8_t)up; - as->cost[down] = 0; - lua_assert((down < RID_MAX_GPR) == (up < RID_MAX_GPR)); - lua_assert(!rset_test(as->freeset, down) && rset_test(as->freeset, up)); - ra_free(as, down); /* 'down' is free ... */ - ra_modified(as, down); - rset_clear(as->freeset, up); /* ... and 'up' is now allocated. */ - ra_noweak(as, up); - RA_DBGX((as, "rename $f $r $r", regcost_ref(as->cost[up]), down, up)); - emit_movrr(as, ir, down, up); /* Backwards codegen needs inverse move. */ - if (!ra_hasspill(IR(ref)->s)) { /* Add the rename to the IR. */ - lj_ir_set(as->J, IRT(IR_RENAME, IRT_NIL), ref, as->snapno); - ren = tref_ref(lj_ir_emit(as->J)); - as->ir = as->T->ir; /* The IR may have been reallocated. */ - IR(ren)->r = (uint8_t)down; - IR(ren)->s = SPS_NONE; - } -} - -/* Pick a destination register (marked as free). -** Caveat: allow is ignored if there's already a destination register. -** Use ra_destreg() to get a specific register. -*/ -static Reg ra_dest(ASMState *as, IRIns *ir, RegSet allow) -{ - Reg dest = ir->r; - if (ra_hasreg(dest)) { - ra_free(as, dest); - ra_modified(as, dest); - } else { - if (ra_hashint(dest) && rset_test((as->freeset&allow), ra_gethint(dest))) { - dest = ra_gethint(dest); - ra_modified(as, dest); - RA_DBGX((as, "dest $r", dest)); - } else { - dest = ra_scratch(as, allow); - } - ir->r = dest; - } - if (LJ_UNLIKELY(ra_hasspill(ir->s))) ra_save(as, ir, dest); - return dest; -} - -/* Force a specific destination register (marked as free). */ -static void ra_destreg(ASMState *as, IRIns *ir, Reg r) -{ - Reg dest = ra_dest(as, ir, RID2RSET(r)); - if (dest != r) { - ra_scratch(as, RID2RSET(r)); - emit_movrr(as, ir, dest, r); - } -} - -#if LJ_TARGET_X86ORX64 -/* Propagate dest register to left reference. Emit moves as needed. -** This is a required fixup step for all 2-operand machine instructions. -*/ -static void ra_left(ASMState *as, Reg dest, IRRef lref) -{ - IRIns *ir = IR(lref); - Reg left = ir->r; - if (ra_noreg(left)) { - if (irref_isk(lref)) { - if (ir->o == IR_KNUM) { - cTValue *tv = ir_knum(ir); - /* FP remat needs a load except for +0. Still better than eviction. */ - if (tvispzero(tv) || !(as->freeset & RSET_FPR)) { - emit_loadn(as, dest, tv); - return; - } -#if LJ_64 - } else if (ir->o == IR_KINT64) { - emit_loadu64(as, dest, ir_kint64(ir)->u64); - return; -#endif - } else { - lua_assert(ir->o == IR_KINT || ir->o == IR_KGC || - ir->o == IR_KPTR || ir->o == IR_KKPTR || ir->o == IR_KNULL); - emit_loadi(as, dest, ir->i); - return; - } - } - if (!ra_hashint(left) && !iscrossref(as, lref)) - ra_sethint(ir->r, dest); /* Propagate register hint. */ - left = ra_allocref(as, lref, dest < RID_MAX_GPR ? RSET_GPR : RSET_FPR); - } - ra_noweak(as, left); - /* Move needed for true 3-operand instruction: y=a+b ==> y=a; y+=b. */ - if (dest != left) { - /* Use register renaming if dest is the PHI reg. */ - if (irt_isphi(ir->t) && as->phireg[dest] == lref) { - ra_modified(as, left); - ra_rename(as, left, dest); - } else { - emit_movrr(as, ir, dest, left); - } - } -} -#else -/* Similar to ra_left, except we override any hints. */ -static void ra_leftov(ASMState *as, Reg dest, IRRef lref) -{ - IRIns *ir = IR(lref); - Reg left = ir->r; - if (ra_noreg(left)) { - ra_sethint(ir->r, dest); /* Propagate register hint. */ - left = ra_allocref(as, lref, - (LJ_SOFTFP || dest < RID_MAX_GPR) ? RSET_GPR : RSET_FPR); - } - ra_noweak(as, left); - if (dest != left) { - /* Use register renaming if dest is the PHI reg. */ - if (irt_isphi(ir->t) && as->phireg[dest] == lref) { - ra_modified(as, left); - ra_rename(as, left, dest); - } else { - emit_movrr(as, ir, dest, left); - } - } -} -#endif - -#if !LJ_TARGET_X86ORX64 -/* Force a RID_RETLO/RID_RETHI destination register pair (marked as free). */ -static void ra_destpair(ASMState *as, IRIns *ir) -{ - Reg destlo = ir->r, desthi = (ir+1)->r; - /* First spill unrelated refs blocking the destination registers. */ - if (!rset_test(as->freeset, RID_RETLO) && - destlo != RID_RETLO && desthi != RID_RETLO) - ra_restore(as, regcost_ref(as->cost[RID_RETLO])); - if (!rset_test(as->freeset, RID_RETHI) && - destlo != RID_RETHI && desthi != RID_RETHI) - ra_restore(as, regcost_ref(as->cost[RID_RETHI])); - /* Next free the destination registers (if any). */ - if (ra_hasreg(destlo)) { - ra_free(as, destlo); - ra_modified(as, destlo); - } else { - destlo = RID_RETLO; - } - if (ra_hasreg(desthi)) { - ra_free(as, desthi); - ra_modified(as, desthi); - } else { - desthi = RID_RETHI; - } - /* Check for conflicts and shuffle the registers as needed. */ - if (destlo == RID_RETHI) { - if (desthi == RID_RETLO) { - emit_movrr(as, ir, RID_RETHI, RID_TMP); - emit_movrr(as, ir, RID_RETLO, RID_RETHI); - emit_movrr(as, ir, RID_TMP, RID_RETLO); - } else { - emit_movrr(as, ir, RID_RETHI, RID_RETLO); - if (desthi != RID_RETHI) emit_movrr(as, ir, desthi, RID_RETHI); - } - } else if (desthi == RID_RETLO) { - emit_movrr(as, ir, RID_RETLO, RID_RETHI); - if (destlo != RID_RETLO) emit_movrr(as, ir, destlo, RID_RETLO); - } else { - if (desthi != RID_RETHI) emit_movrr(as, ir, desthi, RID_RETHI); - if (destlo != RID_RETLO) emit_movrr(as, ir, destlo, RID_RETLO); - } - /* Restore spill slots (if any). */ - if (ra_hasspill((ir+1)->s)) ra_save(as, ir+1, RID_RETHI); - if (ra_hasspill(ir->s)) ra_save(as, ir, RID_RETLO); -} -#endif - -/* -- Snapshot handling --------- ----------------------------------------- */ - -/* Can we rematerialize a KNUM instead of forcing a spill? */ -static int asm_snap_canremat(ASMState *as) -{ - Reg r; - for (r = RID_MIN_FPR; r < RID_MAX_FPR; r++) - if (irref_isk(regcost_ref(as->cost[r]))) - return 1; - return 0; -} - -/* Allocate register or spill slot for a ref that escapes to a snapshot. */ -static void asm_snap_alloc1(ASMState *as, IRRef ref) -{ - IRIns *ir = IR(ref); - if (!ra_used(ir)) { - RegSet allow = (!LJ_SOFTFP && irt_isnum(ir->t)) ? RSET_FPR : RSET_GPR; - /* Get a weak register if we have a free one or can rematerialize. */ - if ((as->freeset & allow) || - (allow == RSET_FPR && asm_snap_canremat(as))) { - Reg r = ra_allocref(as, ref, allow); /* Allocate a register. */ - if (!irt_isphi(ir->t)) - ra_weak(as, r); /* But mark it as weakly referenced. */ - checkmclim(as); - RA_DBGX((as, "snapreg $f $r", ref, ir->r)); - } else { - ra_spill(as, ir); /* Otherwise force a spill slot. */ - RA_DBGX((as, "snapspill $f $s", ref, ir->s)); - } - } -} - -/* Allocate refs escaping to a snapshot. */ -static void asm_snap_alloc(ASMState *as) -{ - SnapShot *snap = &as->T->snap[as->snapno]; - SnapEntry *map = &as->T->snapmap[snap->mapofs]; - MSize n, nent = snap->nent; - for (n = 0; n < nent; n++) { - SnapEntry sn = map[n]; - IRRef ref = snap_ref(sn); - if (!irref_isk(ref)) { - asm_snap_alloc1(as, ref); - if (LJ_SOFTFP && (sn & SNAP_SOFTFPNUM)) { - lua_assert(irt_type(IR(ref+1)->t) == IRT_SOFTFP); - asm_snap_alloc1(as, ref+1); - } - } - } -} - -/* All guards for a snapshot use the same exitno. This is currently the -** same as the snapshot number. Since the exact origin of the exit cannot -** be determined, all guards for the same snapshot must exit with the same -** RegSP mapping. -** A renamed ref which has been used in a prior guard for the same snapshot -** would cause an inconsistency. The easy way out is to force a spill slot. -*/ -static int asm_snap_checkrename(ASMState *as, IRRef ren) -{ - SnapShot *snap = &as->T->snap[as->snapno]; - SnapEntry *map = &as->T->snapmap[snap->mapofs]; - MSize n, nent = snap->nent; - for (n = 0; n < nent; n++) { - SnapEntry sn = map[n]; - IRRef ref = snap_ref(sn); - if (ref == ren || (LJ_SOFTFP && (sn & SNAP_SOFTFPNUM) && ++ref == ren)) { - IRIns *ir = IR(ref); - ra_spill(as, ir); /* Register renamed, so force a spill slot. */ - RA_DBGX((as, "snaprensp $f $s", ref, ir->s)); - return 1; /* Found. */ - } - } - return 0; /* Not found. */ -} - -/* Prepare snapshot for next guard instruction. */ -static void asm_snap_prep(ASMState *as) -{ - if (as->curins < as->snapref) { - do { - lua_assert(as->snapno != 0); - as->snapno--; - as->snapref = as->T->snap[as->snapno].ref; - } while (as->curins < as->snapref); - asm_snap_alloc(as); - as->snaprename = as->T->nins; - } else { - /* Process any renames above the highwater mark. */ - for (; as->snaprename < as->T->nins; as->snaprename++) { - IRIns *ir = IR(as->snaprename); - if (asm_snap_checkrename(as, ir->op1)) - ir->op2 = REF_BIAS-1; /* Kill rename. */ - } - } -} - -/* -- Miscellaneous helpers ----------------------------------------------- */ - -/* Collect arguments from CALL* and CARG instructions. */ -static void asm_collectargs(ASMState *as, IRIns *ir, - const CCallInfo *ci, IRRef *args) -{ - uint32_t n = CCI_NARGS(ci); - lua_assert(n <= CCI_NARGS_MAX); - if ((ci->flags & CCI_L)) { *args++ = ASMREF_L; n--; } - while (n-- > 1) { - ir = IR(ir->op1); - lua_assert(ir->o == IR_CARG); - args[n] = ir->op2 == REF_NIL ? 0 : ir->op2; - } - args[0] = ir->op1 == REF_NIL ? 0 : ir->op1; - lua_assert(IR(ir->op1)->o != IR_CARG); -} - -/* Reconstruct CCallInfo flags for CALLX*. */ -static uint32_t asm_callx_flags(ASMState *as, IRIns *ir) -{ - uint32_t nargs = 0; - if (ir->op1 != REF_NIL) { /* Count number of arguments first. */ - IRIns *ira = IR(ir->op1); - nargs++; - while (ira->o == IR_CARG) { nargs++; ira = IR(ira->op1); } - } -#if LJ_HASFFI - if (IR(ir->op2)->o == IR_CARG) { /* Copy calling convention info. */ - CTypeID id = (CTypeID)IR(IR(ir->op2)->op2)->i; - CType *ct = ctype_get(ctype_ctsG(J2G(as->J)), id); - nargs |= ((ct->info & CTF_VARARG) ? CCI_VARARG : 0); -#if LJ_TARGET_X86 - nargs |= (ctype_cconv(ct->info) << CCI_CC_SHIFT); -#endif - } -#endif - return (nargs | (ir->t.irt << CCI_OTSHIFT)); -} - -/* Calculate stack adjustment. */ -static int32_t asm_stack_adjust(ASMState *as) -{ - if (as->evenspill <= SPS_FIXED) - return 0; - return sps_scale(sps_align(as->evenspill)); -} - -/* Must match with hash*() in lj_tab.c. */ -static uint32_t ir_khash(IRIns *ir) -{ - uint32_t lo, hi; - if (irt_isstr(ir->t)) { - return ir_kstr(ir)->hash; - } else if (irt_isnum(ir->t)) { - lo = ir_knum(ir)->u32.lo; - hi = ir_knum(ir)->u32.hi << 1; - } else if (irt_ispri(ir->t)) { - lua_assert(!irt_isnil(ir->t)); - return irt_type(ir->t)-IRT_FALSE; - } else { - lua_assert(irt_isgcv(ir->t)); - lo = u32ptr(ir_kgc(ir)); - hi = lo + HASH_BIAS; - } - return hashrot(lo, hi); -} - -/* -- Allocations --------------------------------------------------------- */ - -static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args); -static void asm_setupresult(ASMState *as, IRIns *ir, const CCallInfo *ci); - -static void asm_snew(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_new]; - IRRef args[3]; - args[0] = ASMREF_L; /* lua_State *L */ - args[1] = ir->op1; /* const char *str */ - args[2] = ir->op2; /* size_t len */ - as->gcsteps++; - asm_setupresult(as, ir, ci); /* GCstr * */ - asm_gencall(as, ci, args); -} - -static void asm_tnew(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_tab_new1]; - IRRef args[2]; - args[0] = ASMREF_L; /* lua_State *L */ - args[1] = ASMREF_TMP1; /* uint32_t ahsize */ - as->gcsteps++; - asm_setupresult(as, ir, ci); /* GCtab * */ - asm_gencall(as, ci, args); - ra_allockreg(as, ir->op1 | (ir->op2 << 24), ra_releasetmp(as, ASMREF_TMP1)); -} - -static void asm_tdup(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_tab_dup]; - IRRef args[2]; - args[0] = ASMREF_L; /* lua_State *L */ - args[1] = ir->op1; /* const GCtab *kt */ - as->gcsteps++; - asm_setupresult(as, ir, ci); /* GCtab * */ - asm_gencall(as, ci, args); -} - -/* -- PHI and loop handling ----------------------------------------------- */ - -/* Break a PHI cycle by renaming to a free register (evict if needed). */ -static void asm_phi_break(ASMState *as, RegSet blocked, RegSet blockedby, - RegSet allow) -{ - RegSet candidates = blocked & allow; - if (candidates) { /* If this register file has candidates. */ - /* Note: the set for ra_pick cannot be empty, since each register file - ** has some registers never allocated to PHIs. - */ - Reg down, up = ra_pick(as, ~blocked & allow); /* Get a free register. */ - if (candidates & ~blockedby) /* Optimize shifts, else it's a cycle. */ - candidates = candidates & ~blockedby; - down = rset_picktop(candidates); /* Pick candidate PHI register. */ - ra_rename(as, down, up); /* And rename it to the free register. */ - } -} - -/* PHI register shuffling. -** -** The allocator tries hard to preserve PHI register assignments across -** the loop body. Most of the time this loop does nothing, since there -** are no register mismatches. -** -** If a register mismatch is detected and ... -** - the register is currently free: rename it. -** - the register is blocked by an invariant: restore/remat and rename it. -** - Otherwise the register is used by another PHI, so mark it as blocked. -** -** The renames are order-sensitive, so just retry the loop if a register -** is marked as blocked, but has been freed in the meantime. A cycle is -** detected if all of the blocked registers are allocated. To break the -** cycle rename one of them to a free register and retry. -** -** Note that PHI spill slots are kept in sync and don't need to be shuffled. -*/ -static void asm_phi_shuffle(ASMState *as) -{ - RegSet work; - - /* Find and resolve PHI register mismatches. */ - for (;;) { - RegSet blocked = RSET_EMPTY; - RegSet blockedby = RSET_EMPTY; - RegSet phiset = as->phiset; - while (phiset) { /* Check all left PHI operand registers. */ - Reg r = rset_pickbot(phiset); - IRIns *irl = IR(as->phireg[r]); - Reg left = irl->r; - if (r != left) { /* Mismatch? */ - if (!rset_test(as->freeset, r)) { /* PHI register blocked? */ - IRRef ref = regcost_ref(as->cost[r]); - /* Blocked by other PHI (w/reg)? */ - if (!ra_iskref(ref) && irt_ismarked(IR(ref)->t)) { - rset_set(blocked, r); - if (ra_hasreg(left)) - rset_set(blockedby, left); - left = RID_NONE; - } else { /* Otherwise grab register from invariant. */ - ra_restore(as, ref); - checkmclim(as); - } - } - if (ra_hasreg(left)) { - ra_rename(as, left, r); - checkmclim(as); - } - } - rset_clear(phiset, r); - } - if (!blocked) break; /* Finished. */ - if (!(as->freeset & blocked)) { /* Break cycles if none are free. */ - asm_phi_break(as, blocked, blockedby, RSET_GPR); - if (!LJ_SOFTFP) asm_phi_break(as, blocked, blockedby, RSET_FPR); - checkmclim(as); - } /* Else retry some more renames. */ - } - - /* Restore/remat invariants whose registers are modified inside the loop. */ - work = as->modset & ~(as->freeset | as->phiset); - while (work) { - Reg r = rset_pickbot(work); - ra_restore(as, regcost_ref(as->cost[r])); - rset_clear(work, r); - checkmclim(as); - } - - /* Allocate and save all unsaved PHI regs and clear marks. */ - work = as->phiset; - while (work) { - Reg r = rset_picktop(work); - IRRef lref = as->phireg[r]; - IRIns *ir = IR(lref); - if (ra_hasspill(ir->s)) { /* Left PHI gained a spill slot? */ - irt_clearmark(ir->t); /* Handled here, so clear marker now. */ - ra_alloc1(as, lref, RID2RSET(r)); - ra_save(as, ir, r); /* Save to spill slot inside the loop. */ - checkmclim(as); - } - rset_clear(work, r); - } -} - -/* Emit renames for left PHIs which are only spilled outside the loop. */ -static void asm_phi_fixup(ASMState *as) -{ - RegSet work = as->phiset; - while (work) { - Reg r = rset_picktop(work); - IRRef lref = as->phireg[r]; - IRIns *ir = IR(lref); - /* Left PHI gained a spill slot before the loop? */ - if (irt_ismarked(ir->t) && ra_hasspill(ir->s)) { - IRRef ren; - lj_ir_set(as->J, IRT(IR_RENAME, IRT_NIL), lref, as->loopsnapno); - ren = tref_ref(lj_ir_emit(as->J)); - as->ir = as->T->ir; /* The IR may have been reallocated. */ - IR(ren)->r = (uint8_t)r; - IR(ren)->s = SPS_NONE; - } - irt_clearmark(ir->t); /* Always clear marker. */ - rset_clear(work, r); - } -} - -/* Setup right PHI reference. */ -static void asm_phi(ASMState *as, IRIns *ir) -{ - RegSet allow = ((!LJ_SOFTFP && irt_isfp(ir->t)) ? RSET_FPR : RSET_GPR) & - ~as->phiset; - RegSet afree = (as->freeset & allow); - IRIns *irl = IR(ir->op1); - IRIns *irr = IR(ir->op2); - /* Spill slot shuffling is not implemented yet (but rarely needed). */ - if (ra_hasspill(irl->s) || ra_hasspill(irr->s)) - lj_trace_err(as->J, LJ_TRERR_NYIPHI); - /* Leave at least one register free for non-PHIs (and PHI cycle breaking). */ - if ((afree & (afree-1))) { /* Two or more free registers? */ - Reg r; - if (ra_noreg(irr->r)) { /* Get a register for the right PHI. */ - r = ra_allocref(as, ir->op2, allow); - } else { /* Duplicate right PHI, need a copy (rare). */ - r = ra_scratch(as, allow); - emit_movrr(as, irr, r, irr->r); - } - ir->r = (uint8_t)r; - rset_set(as->phiset, r); - as->phireg[r] = (IRRef1)ir->op1; - irt_setmark(irl->t); /* Marks left PHIs _with_ register. */ - if (ra_noreg(irl->r)) - ra_sethint(irl->r, r); /* Set register hint for left PHI. */ - } else { /* Otherwise allocate a spill slot. */ - /* This is overly restrictive, but it triggers only on synthetic code. */ - if (ra_hasreg(irl->r) || ra_hasreg(irr->r)) - lj_trace_err(as->J, LJ_TRERR_NYIPHI); - ra_spill(as, ir); - irl->s = irr->s = ir->s; /* Sync left/right PHI spill slots. */ - } -} - -static void asm_gc_check(ASMState *as); -static void asm_loop_fixup(ASMState *as); - -/* Middle part of a loop. */ -static void asm_loop(ASMState *as) -{ - /* LOOP is a guard, so the snapno is up to date. */ - as->loopsnapno = as->snapno; - if (as->gcsteps) - asm_gc_check(as); - /* LOOP marks the transition from the variant to the invariant part. */ - as->flagmcp = as->invmcp = NULL; - as->sectref = 0; - if (!neverfuse(as)) as->fuseref = 0; - asm_phi_shuffle(as); - asm_loop_fixup(as); - as->mcloop = as->mcp; - RA_DBGX((as, "===== LOOP =====")); - if (!as->realign) RA_DBG_FLUSH(); -} - -/* -- Target-specific assembler ------------------------------------------- */ - -#if LJ_TARGET_X86ORX64 -#include "lj_asm_x86.h" -#elif LJ_TARGET_ARM -#include "lj_asm_arm.h" -#elif LJ_TARGET_PPC -#include "lj_asm_ppc.h" -#else -#error "Missing assembler for target CPU" -#endif - -/* -- Head of trace ------------------------------------------------------- */ - -/* Head of a root trace. */ -static void asm_head_root(ASMState *as) -{ - int32_t spadj; - asm_head_root_base(as); - emit_setvmstate(as, (int32_t)as->T->traceno); - spadj = asm_stack_adjust(as); - as->T->spadjust = (uint16_t)spadj; - emit_spsub(as, spadj); - /* Root traces assume a checked stack for the starting proto. */ - as->T->topslot = gcref(as->T->startpt)->pt.framesize; -} - -/* Get RegSP for parent slot. */ -static LJ_AINLINE RegSP asm_head_parentrs(ASMState *as, IRIns *ir) -{ -#if LJ_SOFTFP - if (ir->o == IR_HIOP) return as->parentmaphi[(ir-1)->op1]; -#endif - return as->parentmap[ir->op1]; -} - -/* Head of a side trace. -** -** The current simplistic algorithm requires that all slots inherited -** from the parent are live in a register between pass 2 and pass 3. This -** avoids the complexity of stack slot shuffling. But of course this may -** overflow the register set in some cases and cause the dreaded error: -** "NYI: register coalescing too complex". A refined algorithm is needed. -*/ -static void asm_head_side(ASMState *as) -{ - IRRef1 sloadins[RID_MAX]; - RegSet allow = RSET_ALL; /* Inverse of all coalesced registers. */ - RegSet live = RSET_EMPTY; /* Live parent registers. */ - IRIns *irp = &as->parent->ir[REF_BASE]; /* Parent base. */ - int32_t spadj, spdelta; - int pass2 = 0; - int pass3 = 0; - IRRef i; - - allow = asm_head_side_base(as, irp, allow); - - /* Scan all parent SLOADs and collect register dependencies. */ - for (i = as->stopins; i > REF_BASE; i--) { - IRIns *ir = IR(i); - RegSP rs; - lua_assert((ir->o == IR_SLOAD && (ir->op2 & IRSLOAD_PARENT)) || - (LJ_SOFTFP && ir->o == IR_HIOP)); - rs = asm_head_parentrs(as, ir); - if (ra_hasreg(ir->r)) { - rset_clear(allow, ir->r); - if (ra_hasspill(ir->s)) - ra_save(as, ir, ir->r); - } else if (ra_hasspill(ir->s)) { - irt_setmark(ir->t); - pass2 = 1; - } - if (ir->r == rs) { /* Coalesce matching registers right now. */ - ra_free(as, ir->r); - } else if (ra_hasspill(regsp_spill(rs))) { - if (ra_hasreg(ir->r)) - pass3 = 1; - } else if (ra_used(ir)) { - sloadins[rs] = (IRRef1)i; - rset_set(live, rs); /* Block live parent register. */ - } - } - - /* Calculate stack frame adjustment. */ - spadj = asm_stack_adjust(as); - spdelta = spadj - (int32_t)as->parent->spadjust; - if (spdelta < 0) { /* Don't shrink the stack frame. */ - spadj = (int32_t)as->parent->spadjust; - spdelta = 0; - } - as->T->spadjust = (uint16_t)spadj; - - /* Reload spilled target registers. */ - if (pass2) { - for (i = as->stopins; i > REF_BASE; i--) { - IRIns *ir = IR(i); - if (irt_ismarked(ir->t)) { - RegSet mask; - Reg r; - RegSP rs; - irt_clearmark(ir->t); - rs = asm_head_parentrs(as, ir); - if (!ra_hasspill(regsp_spill(rs))) - ra_sethint(ir->r, rs); /* Hint may be gone, set it again. */ - else if (sps_scale(regsp_spill(rs))+spdelta == sps_scale(ir->s)) - continue; /* Same spill slot, do nothing. */ - mask = ((!LJ_SOFTFP && irt_isnum(ir->t)) ? RSET_FPR : RSET_GPR) & allow; - if (mask == RSET_EMPTY) - lj_trace_err(as->J, LJ_TRERR_NYICOAL); - r = ra_allocref(as, i, mask); - ra_save(as, ir, r); - rset_clear(allow, r); - if (r == rs) { /* Coalesce matching registers right now. */ - ra_free(as, r); - rset_clear(live, r); - } else if (ra_hasspill(regsp_spill(rs))) { - pass3 = 1; - } - checkmclim(as); - } - } - } - - /* Store trace number and adjust stack frame relative to the parent. */ - emit_setvmstate(as, (int32_t)as->T->traceno); - emit_spsub(as, spdelta); - -#if !LJ_TARGET_X86ORX64 - /* Restore BASE register from parent spill slot. */ - if (ra_hasspill(irp->s)) - emit_spload(as, IR(REF_BASE), IR(REF_BASE)->r, sps_scale(irp->s)); -#endif - - /* Restore target registers from parent spill slots. */ - if (pass3) { - RegSet work = ~as->freeset & RSET_ALL; - while (work) { - Reg r = rset_pickbot(work); - IRIns *ir = IR(regcost_ref(as->cost[r])); - RegSP rs = asm_head_parentrs(as, ir); - rset_clear(work, r); - if (ra_hasspill(regsp_spill(rs))) { - int32_t ofs = sps_scale(regsp_spill(rs)); - ra_free(as, r); - emit_spload(as, ir, r, ofs); - checkmclim(as); - } - } - } - - /* Shuffle registers to match up target regs with parent regs. */ - for (;;) { - RegSet work; - - /* Repeatedly coalesce free live registers by moving to their target. */ - while ((work = as->freeset & live) != RSET_EMPTY) { - Reg rp = rset_pickbot(work); - IRIns *ir = IR(sloadins[rp]); - rset_clear(live, rp); - rset_clear(allow, rp); - ra_free(as, ir->r); - emit_movrr(as, ir, ir->r, rp); - checkmclim(as); - } - - /* We're done if no live registers remain. */ - if (live == RSET_EMPTY) - break; - - /* Break cycles by renaming one target to a temp. register. */ - if (live & RSET_GPR) { - RegSet tmpset = as->freeset & ~live & allow & RSET_GPR; - if (tmpset == RSET_EMPTY) - lj_trace_err(as->J, LJ_TRERR_NYICOAL); - ra_rename(as, rset_pickbot(live & RSET_GPR), rset_pickbot(tmpset)); - } - if (!LJ_SOFTFP && (live & RSET_FPR)) { - RegSet tmpset = as->freeset & ~live & allow & RSET_FPR; - if (tmpset == RSET_EMPTY) - lj_trace_err(as->J, LJ_TRERR_NYICOAL); - ra_rename(as, rset_pickbot(live & RSET_FPR), rset_pickbot(tmpset)); - } - checkmclim(as); - /* Continue with coalescing to fix up the broken cycle(s). */ - } - - /* Inherit top stack slot already checked by parent trace. */ - as->T->topslot = as->parent->topslot; - if (as->topslot > as->T->topslot) { /* Need to check for higher slot? */ -#ifdef EXITSTATE_CHECKEXIT - /* Highest exit + 1 indicates stack check. */ - ExitNo exitno = as->T->nsnap; -#else - /* Reuse the parent exit in the context of the parent trace. */ - ExitNo exitno = as->J->exitno; -#endif - as->T->topslot = (uint8_t)as->topslot; /* Remember for child traces. */ - asm_stack_check(as, as->topslot, irp, allow & RSET_GPR, exitno); - } -} - -/* -- Tail of trace ------------------------------------------------------- */ - -/* Get base slot for a snapshot. */ -static BCReg asm_baseslot(ASMState *as, SnapShot *snap, int *gotframe) -{ - SnapEntry *map = &as->T->snapmap[snap->mapofs]; - MSize n; - for (n = snap->nent; n > 0; n--) { - SnapEntry sn = map[n-1]; - if ((sn & SNAP_FRAME)) { - *gotframe = 1; - return snap_slot(sn); - } - } - return 0; -} - -/* Link to another trace. */ -static void asm_tail_link(ASMState *as) -{ - SnapNo snapno = as->T->nsnap-1; /* Last snapshot. */ - SnapShot *snap = &as->T->snap[snapno]; - int gotframe = 0; - BCReg baseslot = asm_baseslot(as, snap, &gotframe); - - as->topslot = snap->topslot; - checkmclim(as); - ra_allocref(as, REF_BASE, RID2RSET(RID_BASE)); - - if (as->T->link == 0) { - /* Setup fixed registers for exit to interpreter. */ - const BCIns *pc = snap_pc(as->T->snapmap[snap->mapofs + snap->nent]); - int32_t mres; - if (bc_op(*pc) == BC_JLOOP) { /* NYI: find a better way to do this. */ - BCIns *retpc = &traceref(as->J, bc_d(*pc))->startins; - if (bc_isret(bc_op(*retpc))) - pc = retpc; - } - ra_allockreg(as, i32ptr(J2GG(as->J)->dispatch), RID_DISPATCH); - ra_allockreg(as, i32ptr(pc), RID_LPC); - mres = (int32_t)(snap->nslots - baseslot); - switch (bc_op(*pc)) { - case BC_CALLM: case BC_CALLMT: - mres -= (int32_t)(1 + bc_a(*pc) + bc_c(*pc)); break; - case BC_RETM: mres -= (int32_t)(bc_a(*pc) + bc_d(*pc)); break; - case BC_TSETM: mres -= (int32_t)bc_a(*pc); break; - default: if (bc_op(*pc) < BC_FUNCF) mres = 0; break; - } - ra_allockreg(as, mres, RID_RET); /* Return MULTRES or 0. */ - } else if (baseslot) { - /* Save modified BASE for linking to trace with higher start frame. */ - emit_setgl(as, RID_BASE, jit_base); - } - emit_addptr(as, RID_BASE, 8*(int32_t)baseslot); - - /* Sync the interpreter state with the on-trace state. */ - asm_stack_restore(as, snap); - - /* Root traces that add frames need to check the stack at the end. */ - if (!as->parent && gotframe) - asm_stack_check(as, as->topslot, NULL, as->freeset & RSET_GPR, snapno); -} - -/* -- Trace setup --------------------------------------------------------- */ - -/* Clear reg/sp for all instructions and add register hints. */ -static void asm_setup_regsp(ASMState *as) -{ - GCtrace *T = as->T; - IRRef i, nins; - int inloop; -#if LJ_TARGET_ARM - uint32_t rload = 0xa6402a64; -#endif - - ra_setup(as); - - /* Clear reg/sp for constants. */ - for (i = T->nk; i < REF_BIAS; i++) - IR(i)->prev = REGSP_INIT; - - /* REF_BASE is used for implicit references to the BASE register. */ - IR(REF_BASE)->prev = REGSP_HINT(RID_BASE); - - nins = T->nins; - if (IR(nins-1)->o == IR_RENAME) { - do { nins--; } while (IR(nins-1)->o == IR_RENAME); - T->nins = nins; /* Remove any renames left over from ASM restart. */ - } - as->snaprename = nins; - as->snapref = nins; - as->snapno = T->nsnap; - - as->stopins = REF_BASE; - as->orignins = nins; - as->curins = nins; - - inloop = 0; - as->evenspill = SPS_FIRST; - for (i = REF_FIRST; i < nins; i++) { - IRIns *ir = IR(i); - switch (ir->o) { - case IR_LOOP: - inloop = 1; - break; - /* Set hints for slot loads from a parent trace. */ - case IR_SLOAD: - if ((ir->op2 & IRSLOAD_PARENT)) { - RegSP rs = as->parentmap[ir->op1]; - lua_assert(regsp_used(rs)); - as->stopins = i; - if (!ra_hasspill(regsp_spill(rs)) && ra_hasreg(regsp_reg(rs))) { - ir->prev = (uint16_t)REGSP_HINT(regsp_reg(rs)); - continue; - } - } -#if LJ_TARGET_ARM - if ((ir->op2 & IRSLOAD_TYPECHECK) || (ir+1)->o == IR_HIOP) { - ir->prev = (uint16_t)REGSP_HINT((rload & 15)); - rload = lj_ror(rload, 4); - continue; - } -#endif - break; -#if LJ_TARGET_ARM - case IR_ALOAD: case IR_HLOAD: case IR_ULOAD: case IR_VLOAD: - ir->prev = (uint16_t)REGSP_HINT((rload & 15)); - rload = lj_ror(rload, 4); - continue; -#endif - case IR_CALLXS: { - CCallInfo ci; - ci.flags = asm_callx_flags(as, ir); - ir->prev = asm_setup_call_slots(as, ir, &ci); - if (inloop) - as->modset |= RSET_SCRATCH; - continue; - } - case IR_CALLN: case IR_CALLL: case IR_CALLS: { - const CCallInfo *ci = &lj_ir_callinfo[ir->op2]; - ir->prev = asm_setup_call_slots(as, ir, ci); - if (inloop) - as->modset |= (ci->flags & CCI_NOFPRCLOBBER) ? - (RSET_SCRATCH & ~RSET_FPR) : RSET_SCRATCH; - continue; - } -#if LJ_SOFTFP || (LJ_32 && LJ_HASFFI) - case IR_HIOP: - switch ((ir-1)->o) { -#if LJ_SOFTFP - case IR_SLOAD: - if (((ir-1)->op2 & IRSLOAD_PARENT)) { - RegSP rs = as->parentmaphi[(ir-1)->op1]; - lua_assert(regsp_used(rs)); - as->stopins = i; - if (!ra_hasspill(regsp_spill(rs)) && ra_hasreg(regsp_reg(rs))) { - ir->prev = (uint16_t)REGSP_HINT(regsp_reg(rs)); - continue; - } - } -#if LJ_TARGET_ARM - /* fallthrough */ - case IR_ALOAD: case IR_HLOAD: case IR_ULOAD: case IR_VLOAD: - if (ra_hashint((ir-1)->r)) { - ir->prev = (ir-1)->prev + 1; - continue; - } -#endif - break; -#endif -#if LJ_NEED_FP64 - case IR_CONV: - if (irt_isfp((ir-1)->t)) { - ir->prev = REGSP_HINT(RID_FPRET); - continue; - } - /* fallthrough */ -#endif - case IR_CALLN: case IR_CALLXS: -#if LJ_SOFTFP - case IR_MIN: case IR_MAX: -#endif -#if LJ_BE - (ir-1)->prev = REGSP_HINT(RID_RETLO); -#endif - ir->prev = REGSP_HINT(RID_RETHI); - continue; - default: - break; - } - break; -#endif -#if LJ_SOFTFP - case IR_MIN: case IR_MAX: - if ((ir+1)->o != IR_HIOP) break; - /* fallthrough */ -#endif - /* C calls evict all scratch regs and return results in RID_RET. */ - case IR_SNEW: case IR_XSNEW: case IR_NEWREF: - if (REGARG_NUMGPR < 3 && as->evenspill < 3) - as->evenspill = 3; /* lj_str_new and lj_tab_newkey need 3 args. */ - case IR_TNEW: case IR_TDUP: case IR_CNEW: case IR_CNEWI: case IR_TOSTR: - ir->prev = REGSP_HINT(RID_RET); - if (inloop) - as->modset = RSET_SCRATCH; - continue; - case IR_STRTO: case IR_OBAR: - if (inloop) - as->modset = RSET_SCRATCH; - break; -#if !LJ_TARGET_X86ORX64 && !LJ_SOFTFP - case IR_ATAN2: case IR_LDEXP: -#endif - case IR_POW: - if (!LJ_SOFTFP && irt_isnum(ir->t)) { -#if LJ_TARGET_X86ORX64 - ir->prev = REGSP_HINT(RID_XMM0); - if (inloop) - as->modset |= RSET_RANGE(RID_XMM0, RID_XMM1+1)|RID2RSET(RID_EAX); -#else - ir->prev = REGSP_HINT(RID_FPRET); - if (inloop) - as->modset |= RSET_SCRATCH; -#endif - continue; - } - /* fallthrough for integer POW */ - case IR_DIV: case IR_MOD: - if (!irt_isnum(ir->t)) { - ir->prev = REGSP_HINT(RID_RET); - if (inloop) - as->modset |= (RSET_SCRATCH & RSET_GPR); - continue; - } - break; - case IR_FPMATH: -#if LJ_TARGET_X86ORX64 - if (ir->op2 == IRFPM_EXP2) { /* May be joined to lj_vm_pow_sse. */ - ir->prev = REGSP_HINT(RID_XMM0); -#if !LJ_64 - if (as->evenspill < 4) /* Leave room for 16 byte scratch area. */ - as->evenspill = 4; -#endif - if (inloop) - as->modset |= RSET_RANGE(RID_XMM0, RID_XMM2+1)|RID2RSET(RID_EAX); - continue; - } else if (ir->op2 <= IRFPM_TRUNC && !(as->flags & JIT_F_SSE4_1)) { - ir->prev = REGSP_HINT(RID_XMM0); - if (inloop) - as->modset |= RSET_RANGE(RID_XMM0, RID_XMM3+1)|RID2RSET(RID_EAX); - continue; - } - break; -#else - ir->prev = REGSP_HINT(RID_FPRET); - if (inloop) - as->modset |= RSET_SCRATCH; - continue; -#endif -#if LJ_TARGET_X86ORX64 - /* Non-constant shift counts need to be in RID_ECX on x86/x64. */ - case IR_BSHL: case IR_BSHR: case IR_BSAR: case IR_BROL: case IR_BROR: - if (!irref_isk(ir->op2) && !ra_hashint(IR(ir->op2)->r)) { - IR(ir->op2)->r = REGSP_HINT(RID_ECX); - if (inloop) - rset_set(as->modset, RID_ECX); - } - break; -#endif - /* Do not propagate hints across type conversions. */ - case IR_TOBIT: - break; - case IR_CONV: - if (irt_isfp(ir->t) || (ir->op2 & IRCONV_SRCMASK) == IRT_NUM || - (ir->op2 & IRCONV_SRCMASK) == IRT_FLOAT) - break; - /* fallthrough */ - default: - /* Propagate hints across likely 'op reg, imm' or 'op reg'. */ - if (irref_isk(ir->op2) && !irref_isk(ir->op1)) { - ir->prev = IR(ir->op1)->prev; - continue; - } - break; - } - ir->prev = REGSP_INIT; - } - if ((as->evenspill & 1)) - as->oddspill = as->evenspill++; - else - as->oddspill = 0; -} - -/* -- Assembler core ------------------------------------------------------ */ - -/* Assemble a trace. */ -void lj_asm_trace(jit_State *J, GCtrace *T) -{ - ASMState as_; - ASMState *as = &as_; - MCode *origtop; - - /* Ensure an initialized instruction beyond the last one for HIOP checks. */ - J->cur.nins = lj_ir_nextins(J); - J->cur.ir[J->cur.nins].o = IR_NOP; - - /* Setup initial state. Copy some fields to reduce indirections. */ - as->J = J; - as->T = T; - as->ir = T->ir; - as->flags = J->flags; - as->loopref = J->loopref; - as->realign = NULL; - as->loopinv = 0; - if (J->parent) { - as->parent = traceref(J, J->parent); - lj_snap_regspmap(as->parentmap, as->parent, J->exitno, 0); -#if LJ_SOFTFP - lj_snap_regspmap(as->parentmaphi, as->parent, J->exitno, 1); -#endif - } else { - as->parent = NULL; - } - /* Reserve MCode memory. */ - as->mctop = origtop = lj_mcode_reserve(J, &as->mcbot); - as->mcp = as->mctop; - as->mclim = as->mcbot + MCLIM_REDZONE; - asm_setup_target(as); - - do { - as->mcp = as->mctop; - as->curins = T->nins; - RA_DBG_START(); - RA_DBGX((as, "===== STOP =====")); - - /* General trace setup. Emit tail of trace. */ - asm_tail_prep(as); - as->mcloop = NULL; - as->flagmcp = NULL; - as->topslot = 0; - as->gcsteps = 0; - as->sectref = as->loopref; - as->fuseref = (as->flags & JIT_F_OPT_FUSE) ? as->loopref : FUSE_DISABLED; - asm_setup_regsp(as); - if (!as->loopref) - asm_tail_link(as); - - /* Assemble a trace in linear backwards order. */ - for (as->curins--; as->curins > as->stopins; as->curins--) { - IRIns *ir = IR(as->curins); - lua_assert(!(LJ_32 && irt_isint64(ir->t))); /* Handled by SPLIT. */ - if (!ra_used(ir) && !ir_sideeff(ir) && (as->flags & JIT_F_OPT_DCE)) - continue; /* Dead-code elimination can be soooo easy. */ - if (irt_isguard(ir->t)) - asm_snap_prep(as); - RA_DBG_REF(); - checkmclim(as); - asm_ir(as, ir); - } - } while (as->realign); /* Retry in case the MCode needs to be realigned. */ - - /* Emit head of trace. */ - RA_DBG_REF(); - checkmclim(as); - if (as->gcsteps) { - as->curins = as->T->snap[0].ref; - asm_snap_prep(as); /* The GC check is a guard. */ - asm_gc_check(as); - } - ra_evictk(as); - if (as->parent) - asm_head_side(as); - else - asm_head_root(as); - asm_phi_fixup(as); - - RA_DBGX((as, "===== START ====")); - RA_DBG_FLUSH(); - if (as->freeset != RSET_ALL) - lj_trace_err(as->J, LJ_TRERR_BADRA); /* Ouch! Should never happen. */ - - /* Set trace entry point before fixing up tail to allow link to self. */ - T->mcode = as->mcp; - T->mcloop = as->mcloop ? (MSize)((char *)as->mcloop - (char *)as->mcp) : 0; - if (!as->loopref) - asm_tail_fixup(as, T->link); /* Note: this may change as->mctop! */ - T->szmcode = (MSize)((char *)as->mctop - (char *)as->mcp); - lj_mcode_sync(T->mcode, origtop); -} - -#undef IR - -#endif diff --git a/libraries/luajit-2.0/src/lj_asm.h b/libraries/luajit-2.0/src/lj_asm.h deleted file mode 100644 index 64240ef..0000000 --- a/libraries/luajit-2.0/src/lj_asm.h +++ /dev/null @@ -1,17 +0,0 @@ -/* -** IR assembler (SSA IR -> machine code). -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_ASM_H -#define _LJ_ASM_H - -#include "lj_jit.h" - -#if LJ_HASJIT -LJ_FUNC void lj_asm_trace(jit_State *J, GCtrace *T); -LJ_FUNC void lj_asm_patchexit(jit_State *J, GCtrace *T, ExitNo exitno, - MCode *target); -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_asm_arm.h b/libraries/luajit-2.0/src/lj_asm_arm.h deleted file mode 100644 index 087fc0f..0000000 --- a/libraries/luajit-2.0/src/lj_asm_arm.h +++ /dev/null @@ -1,1785 +0,0 @@ -/* -** ARM IR assembler (SSA IR -> machine code). -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -/* -- Register allocator extensions --------------------------------------- */ - -/* Allocate a register with a hint. */ -static Reg ra_hintalloc(ASMState *as, IRRef ref, Reg hint, RegSet allow) -{ - Reg r = IR(ref)->r; - if (ra_noreg(r)) { - if (!ra_hashint(r) && !iscrossref(as, ref)) - ra_sethint(IR(ref)->r, hint); /* Propagate register hint. */ - r = ra_allocref(as, ref, allow); - } - ra_noweak(as, r); - return r; -} - -/* Allocate a scratch register pair. */ -static Reg ra_scratchpair(ASMState *as, RegSet allow) -{ - RegSet pick1 = as->freeset & allow; - RegSet pick2 = pick1 & (pick1 >> 1) & RSET_GPREVEN; - Reg r; - if (pick2) { - r = rset_picktop(pick2); - } else { - RegSet pick = pick1 & (allow >> 1) & RSET_GPREVEN; - if (pick) { - r = rset_picktop(pick); - ra_restore(as, regcost_ref(as->cost[r+1])); - } else { - pick = pick1 & (allow << 1) & RSET_GPRODD; - if (pick) { - r = ra_restore(as, regcost_ref(as->cost[rset_picktop(pick)-1])); - } else { - r = ra_evict(as, allow & (allow >> 1) & RSET_GPREVEN); - ra_restore(as, regcost_ref(as->cost[r+1])); - } - } - } - lua_assert(rset_test(RSET_GPREVEN, r)); - ra_modified(as, r); - ra_modified(as, r+1); - RA_DBGX((as, "scratchpair $r $r", r, r+1)); - return r; -} - -/* -- Guard handling ------------------------------------------------------ */ - -/* Generate an exit stub group at the bottom of the reserved MCode memory. */ -static MCode *asm_exitstub_gen(ASMState *as, ExitNo group) -{ - MCode *mxp = as->mcbot; - int i; - if (mxp + 4*4+4*EXITSTUBS_PER_GROUP >= as->mctop) - asm_mclimit(as); - /* str lr, [sp]; bl ->vm_exit_handler; .long DISPATCH_address, group. */ - *mxp++ = ARMI_STR|ARMI_LS_P|ARMI_LS_U|ARMF_D(RID_LR)|ARMF_N(RID_SP); - *mxp = ARMI_BL|((((MCode *)(void *)lj_vm_exit_handler-mxp)-2)&0x00ffffffu); - mxp++; - *mxp++ = (MCode)i32ptr(J2GG(as->J)->dispatch); /* DISPATCH address */ - *mxp++ = group*EXITSTUBS_PER_GROUP; - for (i = 0; i < EXITSTUBS_PER_GROUP; i++) - *mxp++ = ARMI_B|((-6-i)&0x00ffffffu); - lj_mcode_commitbot(as->J, mxp); - as->mcbot = mxp; - as->mclim = as->mcbot + MCLIM_REDZONE; - return mxp - EXITSTUBS_PER_GROUP; -} - -/* Setup all needed exit stubs. */ -static void asm_exitstub_setup(ASMState *as, ExitNo nexits) -{ - ExitNo i; - if (nexits >= EXITSTUBS_PER_GROUP*LJ_MAX_EXITSTUBGR) - lj_trace_err(as->J, LJ_TRERR_SNAPOV); - for (i = 0; i < (nexits+EXITSTUBS_PER_GROUP-1)/EXITSTUBS_PER_GROUP; i++) - if (as->J->exitstubgroup[i] == NULL) - as->J->exitstubgroup[i] = asm_exitstub_gen(as, i); -} - -/* Emit conditional branch to exit for guard. */ -static void asm_guardcc(ASMState *as, ARMCC cc) -{ - MCode *target = exitstub_addr(as->J, as->snapno); - MCode *p = as->mcp; - if (LJ_UNLIKELY(p == as->invmcp)) { - as->loopinv = 1; - *p = ARMI_BL | ((target-p-2) & 0x00ffffffu); - emit_branch(as, ARMF_CC(ARMI_B, cc^1), p+1); - return; - } - emit_branch(as, ARMF_CC(ARMI_BL, cc), target); -} - -/* -- Operand fusion ------------------------------------------------------ */ - -/* Limit linear search to this distance. Avoids O(n^2) behavior. */ -#define CONFLICT_SEARCH_LIM 31 - -/* Check if there's no conflicting instruction between curins and ref. */ -static int noconflict(ASMState *as, IRRef ref, IROp conflict) -{ - IRIns *ir = as->ir; - IRRef i = as->curins; - if (i > ref + CONFLICT_SEARCH_LIM) - return 0; /* Give up, ref is too far away. */ - while (--i > ref) - if (ir[i].o == conflict) - return 0; /* Conflict found. */ - return 1; /* Ok, no conflict. */ -} - -/* Fuse the array base of colocated arrays. */ -static int32_t asm_fuseabase(ASMState *as, IRRef ref) -{ - IRIns *ir = IR(ref); - if (ir->o == IR_TNEW && ir->op1 <= LJ_MAX_COLOSIZE && - !neverfuse(as) && noconflict(as, ref, IR_NEWREF)) - return (int32_t)sizeof(GCtab); - return 0; -} - -/* Fuse array/hash/upvalue reference into register+offset operand. */ -static Reg asm_fuseahuref(ASMState *as, IRRef ref, int32_t *ofsp, RegSet allow) -{ - IRIns *ir = IR(ref); - if (ra_noreg(ir->r)) { - if (ir->o == IR_AREF) { - if (mayfuse(as, ref)) { - if (irref_isk(ir->op2)) { - IRRef tab = IR(ir->op1)->op1; - int32_t ofs = asm_fuseabase(as, tab); - IRRef refa = ofs ? tab : ir->op1; - ofs += 8*IR(ir->op2)->i; - if (ofs > -4096 && ofs < 4096) { - *ofsp = ofs; - return ra_alloc1(as, refa, allow); - } - } - } - } else if (ir->o == IR_HREFK) { - if (mayfuse(as, ref)) { - int32_t ofs = (int32_t)(IR(ir->op2)->op2 * sizeof(Node)); - if (ofs < 4096) { - *ofsp = ofs; - return ra_alloc1(as, ir->op1, allow); - } - } - } else if (ir->o == IR_UREFC) { - if (irref_isk(ir->op1)) { - GCfunc *fn = ir_kfunc(IR(ir->op1)); - int32_t ofs = i32ptr(&gcref(fn->l.uvptr[(ir->op2 >> 8)])->uv.tv); - *ofsp = (ofs & 255); /* Mask out less bits to allow LDRD. */ - return ra_allock(as, (ofs & ~255), allow); - } - } - } - *ofsp = 0; - return ra_alloc1(as, ref, allow); -} - -/* Fuse m operand into arithmetic/logic instructions. */ -static uint32_t asm_fuseopm(ASMState *as, ARMIns ai, IRRef ref, RegSet allow) -{ - IRIns *ir = IR(ref); - if (ra_hasreg(ir->r)) { - ra_noweak(as, ir->r); - return ARMF_M(ir->r); - } else if (irref_isk(ref)) { - uint32_t k = emit_isk12(ai, ir->i); - if (k) - return k; - } else if (mayfuse(as, ref)) { - if (ir->o >= IR_BSHL && ir->o <= IR_BROR) { - Reg m = ra_alloc1(as, ir->op1, allow); - ARMShift sh = ir->o == IR_BSHL ? ARMSH_LSL : - ir->o == IR_BSHR ? ARMSH_LSR : - ir->o == IR_BSAR ? ARMSH_ASR : ARMSH_ROR; - if (irref_isk(ir->op2)) { - return m | ARMF_SH(sh, (IR(ir->op2)->i & 31)); - } else { - Reg s = ra_alloc1(as, ir->op2, rset_exclude(allow, m)); - return m | ARMF_RSH(sh, s); - } - } else if (ir->o == IR_ADD && ir->op1 == ir->op2) { - Reg m = ra_alloc1(as, ir->op1, allow); - return m | ARMF_SH(ARMSH_LSL, 1); - } - } - return ra_allocref(as, ref, allow); -} - -/* Fuse shifts into loads/stores. Only bother with BSHL 2 => lsl #2. */ -static IRRef asm_fuselsl2(ASMState *as, IRRef ref) -{ - IRIns *ir = IR(ref); - if (ra_noreg(ir->r) && mayfuse(as, ref) && ir->o == IR_BSHL && - irref_isk(ir->op2) && IR(ir->op2)->i == 2) - return ir->op1; - return 0; /* No fusion. */ -} - -/* Fuse XLOAD/XSTORE reference into load/store operand. */ -static void asm_fusexref(ASMState *as, ARMIns ai, Reg rd, IRRef ref, - RegSet allow) -{ - IRIns *ir = IR(ref); - int32_t ofs = 0; - Reg base; - if (ra_noreg(ir->r) && mayfuse(as, ref)) { - int32_t lim = (ai & 0x04000000) ? 4096 : 256; - if (ir->o == IR_ADD) { - if (irref_isk(ir->op2) && (ofs = IR(ir->op2)->i) > -lim && ofs < lim) { - ref = ir->op1; - } else { - IRRef lref = ir->op1, rref = ir->op2; - Reg rn, rm; - if ((ai & 0x04000000)) { - IRRef sref = asm_fuselsl2(as, rref); - if (sref) { - rref = sref; - ai |= ARMF_SH(ARMSH_LSL, 2); - } else if ((sref = asm_fuselsl2(as, lref)) != 0) { - lref = rref; - rref = sref; - ai |= ARMF_SH(ARMSH_LSL, 2); - } - } - rn = ra_alloc1(as, lref, allow); - rm = ra_alloc1(as, rref, rset_exclude(allow, rn)); - if ((ai & 0x04000000)) ai |= ARMI_LS_R; - emit_dnm(as, ai|ARMI_LS_P|ARMI_LS_U, rd, rn, rm); - return; - } - } else if (ir->o == IR_STRREF) { - ofs = (int32_t)sizeof(GCstr); - if (irref_isk(ir->op2)) { - ofs += IR(ir->op2)->i; - ref = ir->op1; - } else if (irref_isk(ir->op1)) { - ofs += IR(ir->op1)->i; - ref = ir->op2; - } else { - /* NYI: Fuse ADD with constant. */ - Reg rn = ra_alloc1(as, ir->op1, allow); - uint32_t m = asm_fuseopm(as, 0, ir->op2, rset_exclude(allow, rn)); - if ((ai & 0x04000000)) - emit_lso(as, ai, rd, rd, ofs); - else - emit_lsox(as, ai, rd, rd, ofs); - emit_dn(as, ARMI_ADD^m, rd, rn); - return; - } - if (ofs <= -lim || ofs >= lim) { - Reg rn = ra_alloc1(as, ref, allow); - Reg rm = ra_allock(as, ofs, rset_exclude(allow, rn)); - if ((ai & 0x04000000)) ai |= ARMI_LS_R; - emit_dnm(as, ai|ARMI_LS_P|ARMI_LS_U, rd, rn, rm); - return; - } - } - } - base = ra_alloc1(as, ref, allow); - if ((ai & 0x04000000)) - emit_lso(as, ai, rd, base, ofs); - else - emit_lsox(as, ai, rd, base, ofs); -} - -/* -- Calls --------------------------------------------------------------- */ - -/* Generate a call to a C function. */ -static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args) -{ - uint32_t n, nargs = CCI_NARGS(ci); - int32_t ofs = 0; - Reg gpr = REGARG_FIRSTGPR; - if ((void *)ci->func) - emit_call(as, (void *)ci->func); - for (n = 0; n < nargs; n++) { /* Setup args. */ - IRRef ref = args[n]; - IRIns *ir = IR(ref); - if (gpr <= REGARG_LASTGPR) { - lua_assert(rset_test(as->freeset, gpr)); /* Must have been evicted. */ - if (ref) ra_leftov(as, gpr, ref); - gpr++; - } else { - if (ref) { - Reg r = ra_alloc1(as, ref, RSET_GPR); - emit_spstore(as, ir, r, ofs); - } - ofs += 4; - } - } -} - -/* Setup result reg/sp for call. Evict scratch regs. */ -static void asm_setupresult(ASMState *as, IRIns *ir, const CCallInfo *ci) -{ - RegSet drop = RSET_SCRATCH; - int hiop = ((ir+1)->o == IR_HIOP); - if (ra_hasreg(ir->r)) - rset_clear(drop, ir->r); /* Dest reg handled below. */ - if (hiop && ra_hasreg((ir+1)->r)) - rset_clear(drop, (ir+1)->r); /* Dest reg handled below. */ - ra_evictset(as, drop); /* Evictions must be performed first. */ - if (ra_used(ir)) { - lua_assert(!irt_ispri(ir->t)); - if (hiop) - ra_destpair(as, ir); - else - ra_destreg(as, ir, RID_RET); - } - UNUSED(ci); -} - -static void asm_call(ASMState *as, IRIns *ir) -{ - IRRef args[CCI_NARGS_MAX]; - const CCallInfo *ci = &lj_ir_callinfo[ir->op2]; - asm_collectargs(as, ir, ci, args); - asm_setupresult(as, ir, ci); - asm_gencall(as, ci, args); -} - -static void asm_callx(ASMState *as, IRIns *ir) -{ - IRRef args[CCI_NARGS_MAX]; - CCallInfo ci; - IRRef func; - IRIns *irf; - ci.flags = asm_callx_flags(as, ir); - asm_collectargs(as, ir, &ci, args); - asm_setupresult(as, ir, &ci); - func = ir->op2; irf = IR(func); - if (irf->o == IR_CARG) { func = irf->op1; irf = IR(func); } - if (irref_isk(func)) { /* Call to constant address. */ - ci.func = (ASMFunction)(void *)(irf->i); - } else { /* Need a non-argument register for indirect calls. */ - Reg freg = ra_alloc1(as, func, RSET_RANGE(RID_R4, RID_R12+1)); - emit_m(as, ARMI_BLXr, freg); - ci.func = (ASMFunction)(void *)0; - } - asm_gencall(as, &ci, args); -} - -/* -- Returns ------------------------------------------------------------- */ - -/* Return to lower frame. Guard that it goes to the right spot. */ -static void asm_retf(ASMState *as, IRIns *ir) -{ - Reg base = ra_alloc1(as, REF_BASE, RSET_GPR); - void *pc = ir_kptr(IR(ir->op2)); - int32_t delta = 1+bc_a(*((const BCIns *)pc - 1)); - as->topslot -= (BCReg)delta; - if ((int32_t)as->topslot < 0) as->topslot = 0; - /* Need to force a spill on REF_BASE now to update the stack slot. */ - emit_lso(as, ARMI_STR, base, RID_SP, ra_spill(as, IR(REF_BASE))); - emit_setgl(as, base, jit_base); - emit_addptr(as, base, -8*delta); - asm_guardcc(as, CC_NE); - emit_nm(as, ARMI_CMP, RID_TMP, - ra_allock(as, i32ptr(pc), rset_exclude(RSET_GPR, base))); - emit_lso(as, ARMI_LDR, RID_TMP, base, -4); -} - -/* -- Type conversions ---------------------------------------------------- */ - -static void asm_conv(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - IRType st = (IRType)(ir->op2 & IRCONV_SRCMASK); - /* FP conversions and 64 bit integer conversions are handled by SPLIT. */ - lua_assert(!irt_isfp(ir->t) && !(st == IRT_NUM || st == IRT_FLOAT)); - lua_assert(!irt_isint64(ir->t) && !(st == IRT_I64 || st == IRT_U64)); - if (st >= IRT_I8 && st <= IRT_U16) { /* Extend to 32 bit integer. */ - Reg left = ra_alloc1(as, ir->op1, RSET_GPR); - lua_assert(irt_isint(ir->t) || irt_isu32(ir->t)); - if ((as->flags & JIT_F_ARMV6)) { - ARMIns ai = st == IRT_I8 ? ARMI_SXTB : - st == IRT_U8 ? ARMI_UXTB : - st == IRT_I16 ? ARMI_SXTH : ARMI_UXTH; - emit_dm(as, ai, dest, left); - } else if (st == IRT_U8) { - emit_dn(as, ARMI_AND|ARMI_K12|255, dest, left); - } else { - uint32_t shift = st == IRT_I8 ? 24 : 16; - ARMShift sh = st == IRT_U16 ? ARMSH_LSR : ARMSH_ASR; - emit_dm(as, ARMI_MOV|ARMF_SH(sh, shift), dest, RID_TMP); - emit_dm(as, ARMI_MOV|ARMF_SH(ARMSH_LSL, shift), RID_TMP, left); - } - } else { /* Handle 32/32 bit no-op (cast). */ - ra_leftov(as, dest, ir->op1); /* Do nothing, but may need to move regs. */ - } -} - -static void asm_strto(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_tonum]; - IRRef args[2]; - Reg rlo = 0, rhi = 0, tmp; - int destused = ra_used(ir); - int32_t ofs = 0; - ra_evictset(as, RSET_SCRATCH); - if (destused) { - if (ra_hasspill(ir->s) && ra_hasspill((ir+1)->s) && - (ir->s & 1) == 0 && ir->s + 1 == (ir+1)->s) { - int i; - for (i = 0; i < 2; i++) { - Reg r = (ir+i)->r; - if (ra_hasreg(r)) { - ra_free(as, r); - ra_modified(as, r); - emit_spload(as, ir+i, r, sps_scale((ir+i)->s)); - } - } - ofs = sps_scale(ir->s); - destused = 0; - } else { - rhi = ra_dest(as, ir+1, RSET_GPR); - rlo = ra_dest(as, ir, rset_exclude(RSET_GPR, rhi)); - } - } - asm_guardcc(as, CC_EQ); - if (destused) { - emit_lso(as, ARMI_LDR, rhi, RID_SP, 4); - emit_lso(as, ARMI_LDR, rlo, RID_SP, 0); - } - emit_n(as, ARMI_CMP|ARMI_K12|0, RID_RET); /* Test return status. */ - args[0] = ir->op1; /* GCstr *str */ - args[1] = ASMREF_TMP1; /* TValue *n */ - asm_gencall(as, ci, args); - tmp = ra_releasetmp(as, ASMREF_TMP1); - if (ofs == 0) - emit_dm(as, ARMI_MOV, tmp, RID_SP); - else - emit_opk(as, ARMI_ADD, tmp, RID_SP, ofs, RSET_GPR); -} - -/* Get pointer to TValue. */ -static void asm_tvptr(ASMState *as, Reg dest, IRRef ref) -{ - IRIns *ir = IR(ref); - if (irt_isnum(ir->t)) { /* Use the number constant itself as a TValue. */ - lua_assert(irref_isk(ref)); - ra_allockreg(as, i32ptr(ir_knum(ir)), dest); - } else { - /* Otherwise use [sp] and [sp+4] to hold the TValue. */ - RegSet allow = rset_exclude(RSET_GPR, dest); - Reg type; - emit_dm(as, ARMI_MOV, dest, RID_SP); - if (!irt_ispri(ir->t)) { - Reg src = ra_alloc1(as, ref, allow); - emit_lso(as, ARMI_STR, src, RID_SP, 0); - } - if ((ir+1)->o == IR_HIOP) - type = ra_alloc1(as, ref+1, allow); - else - type = ra_allock(as, irt_toitype(ir->t), allow); - emit_lso(as, ARMI_STR, type, RID_SP, 4); - } -} - -static void asm_tostr(ASMState *as, IRIns *ir) -{ - IRRef args[2]; - args[0] = ASMREF_L; - as->gcsteps++; - if (irt_isnum(IR(ir->op1)->t) || (ir+1)->o == IR_HIOP) { - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_fromnum]; - args[1] = ASMREF_TMP1; /* const lua_Number * */ - asm_setupresult(as, ir, ci); /* GCstr * */ - asm_gencall(as, ci, args); - asm_tvptr(as, ra_releasetmp(as, ASMREF_TMP1), ir->op1); - } else { - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_fromint]; - args[1] = ir->op1; /* int32_t k */ - asm_setupresult(as, ir, ci); /* GCstr * */ - asm_gencall(as, ci, args); - } -} - -/* -- Memory references --------------------------------------------------- */ - -static void asm_aref(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg idx, base; - if (irref_isk(ir->op2)) { - IRRef tab = IR(ir->op1)->op1; - int32_t ofs = asm_fuseabase(as, tab); - IRRef refa = ofs ? tab : ir->op1; - uint32_t k = emit_isk12(ARMI_ADD, ofs + 8*IR(ir->op2)->i); - if (k) { - base = ra_alloc1(as, refa, RSET_GPR); - emit_dn(as, ARMI_ADD^k, dest, base); - return; - } - } - base = ra_alloc1(as, ir->op1, RSET_GPR); - idx = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, base)); - emit_dnm(as, ARMI_ADD|ARMF_SH(ARMSH_LSL, 3), dest, base, idx); -} - -/* Inlined hash lookup. Specialized for key type and for const keys. -** The equivalent C code is: -** Node *n = hashkey(t, key); -** do { -** if (lj_obj_equal(&n->key, key)) return &n->val; -** } while ((n = nextnode(n))); -** return niltv(L); -*/ -static void asm_href(ASMState *as, IRIns *ir, IROp merge) -{ - RegSet allow = RSET_GPR; - int destused = ra_used(ir); - Reg dest = ra_dest(as, ir, allow); - Reg tab = ra_alloc1(as, ir->op1, rset_clear(allow, dest)); - Reg key = 0, keyhi = 0, keynumhi = RID_NONE, tmp = RID_TMP; - IRRef refkey = ir->op2; - IRIns *irkey = IR(refkey); - IRType1 kt = irkey->t; - int32_t k = 0, khi = emit_isk12(ARMI_CMP, irt_toitype(kt)); - uint32_t khash; - MCLabel l_end, l_loop; - rset_clear(allow, tab); - if (!irref_isk(refkey) || irt_isstr(kt)) { - key = ra_alloc1(as, refkey, allow); - rset_clear(allow, key); - if (irkey[1].o == IR_HIOP) { - if (ra_hasreg((irkey+1)->r)) { - keynumhi = (irkey+1)->r; - keyhi = RID_TMP; - ra_noweak(as, keynumhi); - } else { - keyhi = keynumhi = ra_allocref(as, refkey+1, allow); - } - rset_clear(allow, keynumhi); - khi = 0; - } - } else if (irt_isnum(kt)) { - int32_t val = (int32_t)ir_knum(irkey)->u32.lo; - k = emit_isk12(ARMI_CMP, val); - if (!k) { - key = ra_allock(as, val, allow); - rset_clear(allow, key); - } - val = (int32_t)ir_knum(irkey)->u32.hi; - khi = emit_isk12(ARMI_CMP, val); - if (!khi) { - keyhi = ra_allock(as, val, allow); - rset_clear(allow, keyhi); - } - } else if (!irt_ispri(kt)) { - k = emit_isk12(ARMI_CMP, irkey->i); - if (!k) { - key = ra_alloc1(as, refkey, allow); - rset_clear(allow, key); - } - } - if (!irt_ispri(kt)) - tmp = ra_scratchpair(as, allow); - - /* Key not found in chain: jump to exit (if merged) or load niltv. */ - l_end = emit_label(as); - as->invmcp = NULL; - if (merge == IR_NE) - asm_guardcc(as, CC_AL); - else if (destused) - emit_loada(as, dest, niltvg(J2G(as->J))); - - /* Follow hash chain until the end. */ - l_loop = --as->mcp; - emit_n(as, ARMI_CMP|ARMI_K12|0, dest); - emit_lso(as, ARMI_LDR, dest, dest, (int32_t)offsetof(Node, next)); - - /* Type and value comparison. */ - if (merge == IR_EQ) - asm_guardcc(as, CC_EQ); - else - emit_branch(as, ARMF_CC(ARMI_B, CC_EQ), l_end); - if (!irt_ispri(kt)) { - emit_nm(as, ARMF_CC(ARMI_CMP, CC_EQ)^khi, tmp+1, keyhi); - emit_nm(as, ARMI_CMP^k, tmp, key); - emit_lsox(as, ARMI_LDRD, tmp, dest, (int32_t)offsetof(Node, key)); - } else { - emit_n(as, ARMI_CMP^khi, tmp); - emit_lso(as, ARMI_LDR, tmp, dest, (int32_t)offsetof(Node, key.it)); - } - *l_loop = ARMF_CC(ARMI_B, CC_NE) | ((as->mcp-l_loop-2) & 0x00ffffffu); - - /* Load main position relative to tab->node into dest. */ - khash = irref_isk(refkey) ? ir_khash(irkey) : 1; - if (khash == 0) { - emit_lso(as, ARMI_LDR, dest, tab, (int32_t)offsetof(GCtab, node)); - } else { - emit_dnm(as, ARMI_ADD|ARMF_SH(ARMSH_LSL, 3), dest, dest, tmp); - emit_dnm(as, ARMI_ADD|ARMF_SH(ARMSH_LSL, 1), tmp, tmp, tmp); - if (irt_isstr(kt)) { /* Fetch of str->hash is cheaper than ra_allock. */ - emit_dnm(as, ARMI_AND, tmp, tmp+1, RID_TMP); - emit_lso(as, ARMI_LDR, dest, tab, (int32_t)offsetof(GCtab, node)); - emit_lso(as, ARMI_LDR, tmp+1, key, (int32_t)offsetof(GCstr, hash)); - emit_lso(as, ARMI_LDR, RID_TMP, tab, (int32_t)offsetof(GCtab, hmask)); - } else if (irref_isk(refkey)) { - emit_opk(as, ARMI_AND, tmp, RID_TMP, (int32_t)khash, - rset_exclude(rset_exclude(RSET_GPR, tab), dest)); - emit_lso(as, ARMI_LDR, dest, tab, (int32_t)offsetof(GCtab, node)); - emit_lso(as, ARMI_LDR, RID_TMP, tab, (int32_t)offsetof(GCtab, hmask)); - } else { /* Must match with hash*() in lj_tab.c. */ - if (ra_hasreg(keynumhi)) { /* Canonicalize +-0.0 to 0.0. */ - if (keyhi == RID_TMP) - emit_dm(as, ARMF_CC(ARMI_MOV, CC_NE), keyhi, keynumhi); - emit_d(as, ARMF_CC(ARMI_MOV, CC_EQ)|ARMI_K12|0, keyhi); - } - emit_dnm(as, ARMI_AND, tmp, tmp, RID_TMP); - emit_dnm(as, ARMI_SUB|ARMF_SH(ARMSH_ROR, 32-HASH_ROT3), tmp, tmp, tmp+1); - emit_lso(as, ARMI_LDR, dest, tab, (int32_t)offsetof(GCtab, node)); - emit_dnm(as, ARMI_EOR|ARMF_SH(ARMSH_ROR, 32-((HASH_ROT2+HASH_ROT1)&31)), - tmp, tmp+1, tmp); - emit_lso(as, ARMI_LDR, RID_TMP, tab, (int32_t)offsetof(GCtab, hmask)); - emit_dnm(as, ARMI_SUB|ARMF_SH(ARMSH_ROR, 32-HASH_ROT1), tmp+1, tmp+1, tmp); - if (ra_hasreg(keynumhi)) { - emit_dnm(as, ARMI_EOR, tmp+1, tmp, key); - emit_dnm(as, ARMI_ORR|ARMI_S, RID_TMP, tmp, key); /* Test for +-0.0. */ - emit_dnm(as, ARMI_ADD, tmp, keynumhi, keynumhi); - } else { - emit_dnm(as, ARMI_EOR, tmp+1, tmp, key); - emit_opk(as, ARMI_ADD, tmp, key, (int32_t)HASH_BIAS, - rset_exclude(rset_exclude(RSET_GPR, tab), key)); - } - } - } -} - -static void asm_hrefk(ASMState *as, IRIns *ir) -{ - IRIns *kslot = IR(ir->op2); - IRIns *irkey = IR(kslot->op1); - int32_t ofs = (int32_t)(kslot->op2 * sizeof(Node)); - int32_t kofs = ofs + (int32_t)offsetof(Node, key); - Reg dest = (ra_used(ir) || ofs > 4095) ? ra_dest(as, ir, RSET_GPR) : RID_NONE; - Reg node = ra_alloc1(as, ir->op1, RSET_GPR); - Reg key = RID_NONE, type = RID_TMP, idx = node; - RegSet allow = rset_exclude(RSET_GPR, node); - lua_assert(ofs % sizeof(Node) == 0); - if (ofs > 4095) { - idx = dest; - rset_clear(allow, dest); - kofs = (int32_t)offsetof(Node, key); - } else if (ra_hasreg(dest)) { - emit_opk(as, ARMI_ADD, dest, node, ofs, allow); - } - asm_guardcc(as, CC_NE); - if (!irt_ispri(irkey->t)) { - RegSet even = (as->freeset & (as->freeset >> 1) & allow & RSET_GPREVEN); - if (even) { - key = ra_scratch(as, even); - if (rset_test(as->freeset, key+1)) { - type = key+1; - ra_modified(as, type); - } - } else { - key = ra_scratch(as, allow); - } - rset_clear(allow, key); - } - rset_clear(allow, type); - if (irt_isnum(irkey->t)) { - emit_opk(as, ARMF_CC(ARMI_CMP, CC_EQ), 0, type, - (int32_t)ir_knum(irkey)->u32.hi, allow); - emit_opk(as, ARMI_CMP, 0, key, - (int32_t)ir_knum(irkey)->u32.lo, allow); - } else if (ra_hasreg(key)) { - emit_n(as, ARMF_CC(ARMI_CMN, CC_EQ)|ARMI_K12|-irt_toitype(irkey->t), type); - emit_opk(as, ARMI_CMP, 0, key, irkey->i, allow); - } else { - emit_n(as, ARMI_CMN|ARMI_K12|-irt_toitype(irkey->t), type); - } - emit_lso(as, ARMI_LDR, type, idx, kofs+4); - if (ra_hasreg(key)) emit_lso(as, ARMI_LDR, key, idx, kofs); - if (ofs > 4095) - emit_opk(as, ARMI_ADD, dest, node, ofs, RSET_GPR); -} - -static void asm_newref(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_tab_newkey]; - IRRef args[3]; - args[0] = ASMREF_L; /* lua_State *L */ - args[1] = ir->op1; /* GCtab *t */ - args[2] = ASMREF_TMP1; /* cTValue *key */ - asm_setupresult(as, ir, ci); /* TValue * */ - asm_gencall(as, ci, args); - asm_tvptr(as, ra_releasetmp(as, ASMREF_TMP1), ir->op2); -} - -static void asm_uref(ASMState *as, IRIns *ir) -{ - /* NYI: Check that UREFO is still open and not aliasing a slot. */ - Reg dest = ra_dest(as, ir, RSET_GPR); - if (irref_isk(ir->op1)) { - GCfunc *fn = ir_kfunc(IR(ir->op1)); - MRef *v = &gcref(fn->l.uvptr[(ir->op2 >> 8)])->uv.v; - emit_lsptr(as, ARMI_LDR, dest, v); - } else { - Reg uv = ra_scratch(as, RSET_GPR); - Reg func = ra_alloc1(as, ir->op1, RSET_GPR); - if (ir->o == IR_UREFC) { - asm_guardcc(as, CC_NE); - emit_n(as, ARMI_CMP|ARMI_K12|1, RID_TMP); - emit_opk(as, ARMI_ADD, dest, uv, - (int32_t)offsetof(GCupval, tv), RSET_GPR); - emit_lso(as, ARMI_LDRB, RID_TMP, uv, (int32_t)offsetof(GCupval, closed)); - } else { - emit_lso(as, ARMI_LDR, dest, uv, (int32_t)offsetof(GCupval, v)); - } - emit_lso(as, ARMI_LDR, uv, func, - (int32_t)offsetof(GCfuncL, uvptr) + 4*(int32_t)(ir->op2 >> 8)); - } -} - -static void asm_fref(ASMState *as, IRIns *ir) -{ - UNUSED(as); UNUSED(ir); - lua_assert(!ra_used(ir)); -} - -static void asm_strref(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - IRRef ref = ir->op2, refk = ir->op1; - Reg r; - if (irref_isk(ref)) { - IRRef tmp = refk; refk = ref; ref = tmp; - } else if (!irref_isk(refk)) { - uint32_t k, m = ARMI_K12|sizeof(GCstr); - Reg right, left = ra_alloc1(as, ir->op1, RSET_GPR); - IRIns *irr = IR(ir->op2); - if (ra_hasreg(irr->r)) { - ra_noweak(as, irr->r); - right = irr->r; - } else if (mayfuse(as, irr->op2) && - irr->o == IR_ADD && irref_isk(irr->op2) && - (k = emit_isk12(ARMI_ADD, - (int32_t)sizeof(GCstr) + IR(irr->op2)->i))) { - m = k; - right = ra_alloc1(as, irr->op1, rset_exclude(RSET_GPR, left)); - } else { - right = ra_allocref(as, ir->op2, rset_exclude(RSET_GPR, left)); - } - emit_dn(as, ARMI_ADD^m, dest, dest); - emit_dnm(as, ARMI_ADD, dest, left, right); - return; - } - r = ra_alloc1(as, ref, RSET_GPR); - emit_opk(as, ARMI_ADD, dest, r, - sizeof(GCstr) + IR(refk)->i, rset_exclude(RSET_GPR, r)); -} - -/* -- Loads and stores ---------------------------------------------------- */ - -static ARMIns asm_fxloadins(IRIns *ir) -{ - switch (irt_type(ir->t)) { - case IRT_I8: return ARMI_LDRSB; - case IRT_U8: return ARMI_LDRB; - case IRT_I16: return ARMI_LDRSH; - case IRT_U16: return ARMI_LDRH; - case IRT_NUM: lua_assert(0); - case IRT_FLOAT: - default: return ARMI_LDR; - } -} - -static ARMIns asm_fxstoreins(IRIns *ir) -{ - switch (irt_type(ir->t)) { - case IRT_I8: case IRT_U8: return ARMI_STRB; - case IRT_I16: case IRT_U16: return ARMI_STRH; - case IRT_NUM: lua_assert(0); - case IRT_FLOAT: - default: return ARMI_STR; - } -} - -static void asm_fload(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg idx = ra_alloc1(as, ir->op1, RSET_GPR); - ARMIns ai = asm_fxloadins(ir); - int32_t ofs; - if (ir->op2 == IRFL_TAB_ARRAY) { - ofs = asm_fuseabase(as, ir->op1); - if (ofs) { /* Turn the t->array load into an add for colocated arrays. */ - emit_dn(as, ARMI_ADD|ARMI_K12|ofs, dest, idx); - return; - } - } - ofs = field_ofs[ir->op2]; - if ((ai & 0x04000000)) - emit_lso(as, ai, dest, idx, ofs); - else - emit_lsox(as, ai, dest, idx, ofs); -} - -static void asm_fstore(ASMState *as, IRIns *ir) -{ - Reg src = ra_alloc1(as, ir->op2, RSET_GPR); - IRIns *irf = IR(ir->op1); - Reg idx = ra_alloc1(as, irf->op1, rset_exclude(RSET_GPR, src)); - int32_t ofs = field_ofs[irf->op2]; - ARMIns ai = asm_fxstoreins(ir); - if ((ai & 0x04000000)) - emit_lso(as, ai, src, idx, ofs); - else - emit_lsox(as, ai, src, idx, ofs); -} - -static void asm_xload(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - lua_assert(!(ir->op2 & IRXLOAD_UNALIGNED)); - asm_fusexref(as, asm_fxloadins(ir), dest, ir->op1, RSET_GPR); -} - -static void asm_xstore(ASMState *as, IRIns *ir) -{ - Reg src = ra_alloc1(as, ir->op2, RSET_GPR); - asm_fusexref(as, asm_fxstoreins(ir), src, ir->op1, - rset_exclude(RSET_GPR, src)); -} - -static void asm_ahuvload(ASMState *as, IRIns *ir) -{ - int hiop = ((ir+1)->o == IR_HIOP); - IRType t = hiop ? IRT_NUM : irt_type(ir->t); - Reg dest = RID_NONE, type = RID_NONE, idx; - RegSet allow = RSET_GPR; - int32_t ofs = 0; - if (hiop && ra_used(ir+1)) { - type = ra_dest(as, ir+1, allow); - rset_clear(allow, type); - } - if (ra_used(ir)) { - lua_assert(irt_isint(ir->t) || irt_isaddr(ir->t)); - dest = ra_dest(as, ir, allow); - rset_clear(allow, dest); - } - idx = asm_fuseahuref(as, ir->op1, &ofs, allow); - if (!hiop || type == RID_NONE) { - rset_clear(allow, idx); - if (ofs < 256 && ra_hasreg(dest) && (dest & 1) == 0 && - rset_test((as->freeset & allow), dest+1)) { - type = dest+1; - ra_modified(as, type); - } else { - type = RID_TMP; - } - } - asm_guardcc(as, t == IRT_NUM ? CC_HS : CC_NE); - emit_n(as, ARMI_CMN|ARMI_K12|-irt_toitype_(t), type); - if (ra_hasreg(dest)) emit_lso(as, ARMI_LDR, dest, idx, ofs); - emit_lso(as, ARMI_LDR, type, idx, ofs+4); -} - -static void asm_ahustore(ASMState *as, IRIns *ir) -{ - RegSet allow = RSET_GPR; - Reg idx, src = RID_NONE, type = RID_NONE; - int32_t ofs = 0; - int hiop = ((ir+1)->o == IR_HIOP); - if (!irt_ispri(ir->t)) { - src = ra_alloc1(as, ir->op2, allow); - rset_clear(allow, src); - } - if (hiop) - type = ra_alloc1(as, (ir+1)->op2, allow); - else - type = ra_allock(as, (int32_t)irt_toitype(ir->t), allow); - idx = asm_fuseahuref(as, ir->op1, &ofs, rset_exclude(allow, type)); - if (ra_hasreg(src)) emit_lso(as, ARMI_STR, src, idx, ofs); - emit_lso(as, ARMI_STR, type, idx, ofs+4); -} - -static void asm_sload(ASMState *as, IRIns *ir) -{ - int32_t ofs = 8*((int32_t)ir->op1-1) + ((ir->op2 & IRSLOAD_FRAME) ? 4 : 0); - int hiop = ((ir+1)->o == IR_HIOP); - IRType t = hiop ? IRT_NUM : irt_type(ir->t); - Reg dest = RID_NONE, type = RID_NONE, base; - RegSet allow = RSET_GPR; - lua_assert(!(ir->op2 & IRSLOAD_PARENT)); /* Handled by asm_head_side(). */ - lua_assert(irt_isguard(ir->t) || !(ir->op2 & IRSLOAD_TYPECHECK)); - lua_assert(!(ir->op2 & IRSLOAD_CONVERT)); /* Handled by LJ_SOFTFP SPLIT. */ - if (hiop && ra_used(ir+1)) { - type = ra_dest(as, ir+1, allow); - rset_clear(allow, type); - } - if (ra_used(ir)) { - lua_assert(irt_isint(ir->t) || irt_isaddr(ir->t)); - dest = ra_dest(as, ir, allow); - rset_clear(allow, dest); - } - base = ra_alloc1(as, REF_BASE, allow); - if ((ir->op2 & IRSLOAD_TYPECHECK)) { - if (ra_noreg(type)) { - rset_clear(allow, base); - if (ofs < 256 && ra_hasreg(dest) && (dest & 1) == 0 && - rset_test((as->freeset & allow), dest+1)) { - type = dest+1; - ra_modified(as, type); - } else { - type = RID_TMP; - } - } - asm_guardcc(as, t == IRT_NUM ? CC_HS : CC_NE); - emit_n(as, ARMI_CMN|ARMI_K12|-irt_toitype_(t), type); - } - if (ra_hasreg(dest)) emit_lso(as, ARMI_LDR, dest, base, ofs); - if (ra_hasreg(type)) emit_lso(as, ARMI_LDR, type, base, ofs+4); -} - -/* -- Allocations --------------------------------------------------------- */ - -#if LJ_HASFFI -static void asm_cnew(ASMState *as, IRIns *ir) -{ - CTState *cts = ctype_ctsG(J2G(as->J)); - CTypeID typeid = (CTypeID)IR(ir->op1)->i; - CTSize sz = (ir->o == IR_CNEWI || ir->op2 == REF_NIL) ? - lj_ctype_size(cts, typeid) : (CTSize)IR(ir->op2)->i; - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_mem_newgco]; - IRRef args[2]; - RegSet allow = (RSET_GPR & ~RSET_SCRATCH); - RegSet drop = RSET_SCRATCH; - lua_assert(sz != CTSIZE_INVALID); - - args[0] = ASMREF_L; /* lua_State *L */ - args[1] = ASMREF_TMP1; /* MSize size */ - as->gcsteps++; - - if (ra_hasreg(ir->r)) - rset_clear(drop, ir->r); /* Dest reg handled below. */ - ra_evictset(as, drop); - if (ra_used(ir)) - ra_destreg(as, ir, RID_RET); /* GCcdata * */ - - /* Initialize immutable cdata object. */ - if (ir->o == IR_CNEWI) { - int32_t ofs = sizeof(GCcdata); - lua_assert(sz == 4 || sz == 8); - if (sz == 8) { - ofs += 4; ir++; - lua_assert(ir->o == IR_HIOP); - } - for (;;) { - Reg r = ra_alloc1(as, ir->op2, allow); - emit_lso(as, ARMI_STR, r, RID_RET, ofs); - rset_clear(allow, r); - if (ofs == sizeof(GCcdata)) break; - ofs -= 4; ir--; - } - } - /* Initialize gct and typeid. lj_mem_newgco() already sets marked. */ - { - uint32_t k = emit_isk12(ARMI_MOV, typeid); - Reg r = k ? RID_R1 : ra_allock(as, typeid, allow); - emit_lso(as, ARMI_STRB, RID_TMP, RID_RET, offsetof(GCcdata, gct)); - emit_lsox(as, ARMI_STRH, r, RID_RET, offsetof(GCcdata, typeid)); - emit_d(as, ARMI_MOV|ARMI_K12|~LJ_TCDATA, RID_TMP); - if (k) emit_d(as, ARMI_MOV^k, RID_R1); - } - asm_gencall(as, ci, args); - ra_allockreg(as, (int32_t)(sz+sizeof(GCcdata)), - ra_releasetmp(as, ASMREF_TMP1)); -} -#else -#define asm_cnew(as, ir) ((void)0) -#endif - -/* -- Write barriers ------------------------------------------------------ */ - -static void asm_tbar(ASMState *as, IRIns *ir) -{ - Reg tab = ra_alloc1(as, ir->op1, RSET_GPR); - Reg link = ra_scratch(as, rset_exclude(RSET_GPR, tab)); - Reg gr = ra_allock(as, i32ptr(J2G(as->J)), - rset_exclude(rset_exclude(RSET_GPR, tab), link)); - Reg mark = RID_TMP; - MCLabel l_end = emit_label(as); - emit_lso(as, ARMI_STR, link, tab, (int32_t)offsetof(GCtab, gclist)); - emit_lso(as, ARMI_STRB, mark, tab, (int32_t)offsetof(GCtab, marked)); - emit_lso(as, ARMI_STR, tab, gr, - (int32_t)offsetof(global_State, gc.grayagain)); - emit_dn(as, ARMI_BIC|ARMI_K12|LJ_GC_BLACK, mark, mark); - emit_lso(as, ARMI_LDR, link, gr, - (int32_t)offsetof(global_State, gc.grayagain)); - emit_branch(as, ARMF_CC(ARMI_B, CC_EQ), l_end); - emit_n(as, ARMI_TST|ARMI_K12|LJ_GC_BLACK, mark); - emit_lso(as, ARMI_LDRB, mark, tab, (int32_t)offsetof(GCtab, marked)); -} - -static void asm_obar(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_gc_barrieruv]; - IRRef args[2]; - MCLabel l_end; - Reg obj, val, tmp; - /* No need for other object barriers (yet). */ - lua_assert(IR(ir->op1)->o == IR_UREFC); - ra_evictset(as, RSET_SCRATCH); - l_end = emit_label(as); - args[0] = ASMREF_TMP1; /* global_State *g */ - args[1] = ir->op1; /* TValue *tv */ - asm_gencall(as, ci, args); - if ((*as->mcp >> 28) == CC_AL) - *as->mcp = ARMF_CC(*as->mcp, CC_NE); - else - emit_branch(as, ARMF_CC(ARMI_B, CC_EQ), l_end); - ra_allockreg(as, i32ptr(J2G(as->J)), ra_releasetmp(as, ASMREF_TMP1)); - obj = IR(ir->op1)->r; - tmp = ra_scratch(as, rset_exclude(RSET_GPR, obj)); - emit_n(as, ARMF_CC(ARMI_TST, CC_NE)|ARMI_K12|LJ_GC_BLACK, tmp); - emit_n(as, ARMI_TST|ARMI_K12|LJ_GC_WHITES, RID_TMP); - val = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, obj)); - emit_lso(as, ARMI_LDRB, tmp, obj, - (int32_t)offsetof(GCupval, marked)-(int32_t)offsetof(GCupval, tv)); - emit_lso(as, ARMI_LDRB, RID_TMP, val, (int32_t)offsetof(GChead, marked)); -} - -/* -- Arithmetic and logic operations ------------------------------------- */ - -static int asm_swapops(ASMState *as, IRRef lref, IRRef rref) -{ - IRIns *ir; - if (irref_isk(rref)) - return 0; /* Don't swap constants to the left. */ - if (irref_isk(lref)) - return 1; /* But swap constants to the right. */ - ir = IR(rref); - if ((ir->o >= IR_BSHL && ir->o <= IR_BROR) || - (ir->o == IR_ADD && ir->op1 == ir->op2)) - return 0; /* Don't swap fusable operands to the left. */ - ir = IR(lref); - if ((ir->o >= IR_BSHL && ir->o <= IR_BROR) || - (ir->o == IR_ADD && ir->op1 == ir->op2)) - return 1; /* But swap fusable operands to the right. */ - return 0; /* Otherwise don't swap. */ -} - -static void asm_intop(ASMState *as, IRIns *ir, ARMIns ai) -{ - IRRef lref = ir->op1, rref = ir->op2; - Reg left, dest = ra_dest(as, ir, RSET_GPR); - uint32_t m; - if (asm_swapops(as, lref, rref)) { - IRRef tmp = lref; lref = rref; rref = tmp; - if ((ai & ~ARMI_S) == ARMI_SUB || (ai & ~ARMI_S) == ARMI_SBC) - ai ^= (ARMI_SUB^ARMI_RSB); - } - left = ra_hintalloc(as, lref, dest, RSET_GPR); - m = asm_fuseopm(as, ai, rref, rset_exclude(RSET_GPR, left)); - if (irt_isguard(ir->t)) { /* For IR_ADDOV etc. */ - asm_guardcc(as, CC_VS); - ai |= ARMI_S; - } - emit_dn(as, ai^m, dest, left); -} - -static void asm_bitop(ASMState *as, IRIns *ir, ARMIns ai) -{ - if (as->flagmcp == as->mcp) { /* Try to drop cmp r, #0. */ - uint32_t cc = (as->mcp[1] >> 28); - as->flagmcp = NULL; - if (cc <= CC_NE) { - as->mcp++; - ai |= ARMI_S; - } else if (cc == CC_GE) { - *++as->mcp ^= ((CC_GE^CC_PL) << 28); - ai |= ARMI_S; - } else if (cc == CC_LT) { - *++as->mcp ^= ((CC_LT^CC_MI) << 28); - ai |= ARMI_S; - } /* else: other conds don't work with bit ops. */ - } - if (ir->op2 == 0) { - Reg dest = ra_dest(as, ir, RSET_GPR); - uint32_t m = asm_fuseopm(as, ai, ir->op1, RSET_GPR); - emit_d(as, ai^m, dest); - } else { - /* NYI: Turn BAND !k12 into uxtb, uxth or bfc or shl+shr. */ - asm_intop(as, ir, ai); - } -} - -static void asm_arithop(ASMState *as, IRIns *ir, ARMIns ai) -{ - if (as->flagmcp == as->mcp) { /* Drop cmp r, #0. */ - as->flagmcp = NULL; - as->mcp++; - ai |= ARMI_S; - } - asm_intop(as, ir, ai); -} - -static void asm_intneg(ASMState *as, IRIns *ir, ARMIns ai) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg left = ra_hintalloc(as, ir->op1, dest, RSET_GPR); - emit_dn(as, ai|ARMI_K12|0, dest, left); -} - -/* NYI: use add/shift for MUL(OV) with constants. FOLD only does 2^k. */ -static void asm_intmul(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg left = ra_alloc1(as, ir->op1, rset_exclude(RSET_GPR, dest)); - Reg right = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, left)); - Reg tmp = RID_NONE; - /* ARMv5 restriction: dest != left and dest_hi != left. */ - if (dest == left && left != right) { left = right; right = dest; } - if (irt_isguard(ir->t)) { /* IR_MULOV */ - if (!(as->flags & JIT_F_ARMV6) && dest == left) - tmp = left = ra_scratch(as, rset_exclude(RSET_FPR, left)); - asm_guardcc(as, CC_NE); - emit_nm(as, ARMI_TEQ|ARMF_SH(ARMSH_ASR, 31), RID_TMP, dest); - emit_dnm(as, ARMI_SMULL|ARMF_S(right), dest, RID_TMP, left); - } else { - if (!(as->flags & JIT_F_ARMV6) && dest == left) tmp = left = RID_TMP; - emit_nm(as, ARMI_MUL|ARMF_S(right), dest, left); - } - /* Only need this for the dest == left == right case. */ - if (ra_hasreg(tmp)) emit_dm(as, ARMI_MOV, tmp, right); -} - -static void asm_intmod(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_vm_modi]; - IRRef args[2]; - args[0] = ir->op1; - args[1] = ir->op2; - asm_setupresult(as, ir, ci); - asm_gencall(as, ci, args); -} - -static void asm_bitswap(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg left = ra_alloc1(as, ir->op1, RSET_GPR); - if ((as->flags & JIT_F_ARMV6)) { - emit_dm(as, ARMI_REV, dest, left); - } else { - Reg tmp2 = dest; - if (tmp2 == left) - tmp2 = ra_scratch(as, rset_exclude(rset_exclude(RSET_GPR, dest), left)); - emit_dnm(as, ARMI_EOR|ARMF_SH(ARMSH_LSR, 8), dest, tmp2, RID_TMP); - emit_dm(as, ARMI_MOV|ARMF_SH(ARMSH_ROR, 8), tmp2, left); - emit_dn(as, ARMI_BIC|ARMI_K12|256*8|255, RID_TMP, RID_TMP); - emit_dnm(as, ARMI_EOR|ARMF_SH(ARMSH_ROR, 16), RID_TMP, left, left); - } -} - -static void asm_bitshift(ASMState *as, IRIns *ir, ARMShift sh) -{ - if (irref_isk(ir->op2)) { /* Constant shifts. */ - /* NYI: Turn SHL+SHR or BAND+SHR into uxtb, uxth or ubfx. */ - /* NYI: Turn SHL+ASR into sxtb, sxth or sbfx. */ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg left = ra_alloc1(as, ir->op1, RSET_GPR); - int32_t shift = (IR(ir->op2)->i & 31); - emit_dm(as, ARMI_MOV|ARMF_SH(sh, shift), dest, left); - } else { - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg left = ra_alloc1(as, ir->op1, RSET_GPR); - Reg right = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, left)); - emit_dm(as, ARMI_MOV|ARMF_RSH(sh, right), dest, left); - } -} - -static void asm_intmin_max(ASMState *as, IRIns *ir, int cc) -{ - uint32_t kcmp = 0, kmov = 0; - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg left = ra_hintalloc(as, ir->op1, dest, RSET_GPR); - Reg right = 0; - if (irref_isk(ir->op2)) { - kcmp = emit_isk12(ARMI_CMP, IR(ir->op2)->i); - if (kcmp) kmov = emit_isk12(ARMI_MOV, IR(ir->op2)->i); - } - if (!kmov) { - kcmp = 0; - right = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, left)); - } - if (dest != right) { - emit_dm(as, ARMF_CC(ARMI_MOV, cc)^kmov, dest, right); - cc ^= 1; /* Must use opposite conditions for paired moves. */ - } else { - cc ^= (CC_LT^CC_GT); /* Otherwise may swap CC_LT <-> CC_GT. */ - } - if (dest != left) emit_dm(as, ARMF_CC(ARMI_MOV, cc)^kmov, dest, left); - emit_nm(as, ARMI_CMP^kcmp, left, right); -} - -static void asm_fpmin_max(ASMState *as, IRIns *ir, int cc) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_softfp_cmp]; - RegSet drop = RSET_SCRATCH; - Reg r; - IRRef args[4]; - args[0] = ir->op1; args[1] = (ir+1)->op1; - args[2] = ir->op2; args[3] = (ir+1)->op2; - /* __aeabi_cdcmple preserves r0-r3. */ - if (ra_hasreg(ir->r)) rset_clear(drop, ir->r); - if (ra_hasreg((ir+1)->r)) rset_clear(drop, (ir+1)->r); - if (!rset_test(as->freeset, RID_R2) && - regcost_ref(as->cost[RID_R2]) == args[2]) rset_clear(drop, RID_R2); - if (!rset_test(as->freeset, RID_R3) && - regcost_ref(as->cost[RID_R3]) == args[3]) rset_clear(drop, RID_R3); - ra_evictset(as, drop); - ra_destpair(as, ir); - emit_dm(as, ARMF_CC(ARMI_MOV, cc), RID_RETHI, RID_R3); - emit_dm(as, ARMF_CC(ARMI_MOV, cc), RID_RETLO, RID_R2); - emit_call(as, (void *)ci->func); - for (r = RID_R0; r <= RID_R3; r++) - ra_leftov(as, r, args[r-RID_R0]); -} - -/* -- Comparisons --------------------------------------------------------- */ - -/* Map of comparisons to flags. ORDER IR. */ -static const uint8_t asm_compmap[IR_ABC+1] = { - /* op FP swp int cc FP cc */ - /* LT */ CC_GE + (CC_HS << 4), - /* GE x */ CC_LT + (CC_HI << 4), - /* LE */ CC_GT + (CC_HI << 4), - /* GT x */ CC_LE + (CC_HS << 4), - /* ULT x */ CC_HS + (CC_LS << 4), - /* UGE */ CC_LO + (CC_LO << 4), - /* ULE x */ CC_HI + (CC_LO << 4), - /* UGT */ CC_LS + (CC_LS << 4), - /* EQ */ CC_NE + (CC_NE << 4), - /* NE */ CC_EQ + (CC_EQ << 4), - /* ABC */ CC_LS + (CC_LS << 4) /* Same as UGT. */ -}; - -/* FP comparisons. */ -static void asm_fpcomp(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_softfp_cmp]; - RegSet drop = RSET_SCRATCH; - Reg r; - IRRef args[4]; - int swp = (((ir->o ^ (ir->o >> 2)) & ~(ir->o >> 3) & 1) << 1); - args[swp^0] = ir->op1; args[swp^1] = (ir+1)->op1; - args[swp^2] = ir->op2; args[swp^3] = (ir+1)->op2; - /* __aeabi_cdcmple preserves r0-r3. This helps to reduce spills. */ - for (r = RID_R0; r <= RID_R3; r++) - if (!rset_test(as->freeset, r) && - regcost_ref(as->cost[r]) == args[r-RID_R0]) rset_clear(drop, r); - ra_evictset(as, drop); - asm_guardcc(as, (asm_compmap[ir->o] >> 4)); - emit_call(as, (void *)ci->func); - for (r = RID_R0; r <= RID_R3; r++) - ra_leftov(as, r, args[r-RID_R0]); -} - -/* Integer comparisons. */ -static void asm_intcomp(ASMState *as, IRIns *ir) -{ - ARMCC cc = (asm_compmap[ir->o] & 15); - IRRef lref = ir->op1, rref = ir->op2; - Reg left; - uint32_t m; - int cmpprev0 = 0; - lua_assert(irt_isint(ir->t) || irt_isaddr(ir->t)); - if (asm_swapops(as, lref, rref)) { - Reg tmp = lref; lref = rref; rref = tmp; - if (cc >= CC_GE) cc ^= 7; /* LT <-> GT, LE <-> GE */ - else if (cc > CC_NE) cc ^= 11; /* LO <-> HI, LS <-> HS */ - } - if (irref_isk(rref) && IR(rref)->i == 0) { - IRIns *irl = IR(lref); - cmpprev0 = (irl+1 == ir); - /* Combine comp(BAND(left, right), 0) into tst left, right. */ - if (cmpprev0 && irl->o == IR_BAND && !ra_used(irl)) { - IRRef blref = irl->op1, brref = irl->op2; - uint32_t m2 = 0; - Reg bleft; - if (asm_swapops(as, blref, brref)) { - Reg tmp = blref; blref = brref; brref = tmp; - } - if (irref_isk(brref)) { - m2 = emit_isk12(ARMI_AND, IR(brref)->i); - if ((m2 & (ARMI_AND^ARMI_BIC))) - goto notst; /* Not beneficial if we miss a constant operand. */ - } - if (cc == CC_GE) cc = CC_PL; - else if (cc == CC_LT) cc = CC_MI; - else if (cc > CC_NE) goto notst; /* Other conds don't work with tst. */ - bleft = ra_alloc1(as, blref, RSET_GPR); - if (!m2) m2 = asm_fuseopm(as, 0, brref, rset_exclude(RSET_GPR, bleft)); - asm_guardcc(as, cc); - emit_n(as, ARMI_TST^m2, bleft); - return; - } - } -notst: - left = ra_alloc1(as, lref, RSET_GPR); - m = asm_fuseopm(as, ARMI_CMP, rref, rset_exclude(RSET_GPR, left)); - asm_guardcc(as, cc); - emit_n(as, ARMI_CMP^m, left); - /* Signed comparison with zero and referencing previous ins? */ - if (cmpprev0 && (cc <= CC_NE || cc >= CC_GE)) - as->flagmcp = as->mcp; /* Allow elimination of the compare. */ -} - -/* 64 bit integer comparisons. */ -static void asm_int64comp(ASMState *as, IRIns *ir) -{ - int signedcomp = (ir->o <= IR_GT); - ARMCC cclo, cchi; - Reg leftlo, lefthi; - uint32_t mlo, mhi; - RegSet allow = RSET_GPR, oldfree; - - /* Always use unsigned comparison for loword. */ - cclo = asm_compmap[ir->o + (signedcomp ? 4 : 0)] & 15; - leftlo = ra_alloc1(as, ir->op1, allow); - oldfree = as->freeset; - mlo = asm_fuseopm(as, ARMI_CMP, ir->op2, rset_clear(allow, leftlo)); - allow &= ~(oldfree & ~as->freeset); /* Update for allocs of asm_fuseopm. */ - - /* Use signed or unsigned comparison for hiword. */ - cchi = asm_compmap[ir->o] & 15; - lefthi = ra_alloc1(as, (ir+1)->op1, allow); - mhi = asm_fuseopm(as, ARMI_CMP, (ir+1)->op2, rset_clear(allow, lefthi)); - - /* All register allocations must be performed _before_ this point. */ - if (signedcomp) { - MCLabel l_around = emit_label(as); - asm_guardcc(as, cclo); - emit_n(as, ARMI_CMP^mlo, leftlo); - emit_branch(as, ARMF_CC(ARMI_B, CC_NE), l_around); - if (cchi == CC_GE || cchi == CC_LE) cchi ^= 6; /* GE -> GT, LE -> LT */ - asm_guardcc(as, cchi); - } else { - asm_guardcc(as, cclo); - emit_n(as, ARMF_CC(ARMI_CMP, CC_EQ)^mlo, leftlo); - } - emit_n(as, ARMI_CMP^mhi, lefthi); -} - -/* -- Support for 64 bit ops in 32 bit mode ------------------------------- */ - -/* Hiword op of a split 64 bit op. Previous op must be the loword op. */ -static void asm_hiop(ASMState *as, IRIns *ir) -{ - /* HIOP is marked as a store because it needs its own DCE logic. */ - int uselo = ra_used(ir-1), usehi = ra_used(ir); /* Loword/hiword used? */ - if (LJ_UNLIKELY(!(as->flags & JIT_F_OPT_DCE))) uselo = usehi = 1; - if ((ir-1)->o <= IR_NE) { /* 64 bit integer or FP comparisons. ORDER IR. */ - as->curins--; /* Always skip the loword comparison. */ - if (irt_isint(ir->t)) - asm_int64comp(as, ir-1); - else - asm_fpcomp(as, ir-1); - return; - } else if ((ir-1)->o == IR_MIN || (ir-1)->o == IR_MAX) { - as->curins--; /* Always skip the loword min/max. */ - if (uselo || usehi) - asm_fpmin_max(as, ir-1, (ir-1)->o == IR_MIN ? CC_HI : CC_LO); - return; - } - if (!usehi) return; /* Skip unused hiword op for all remaining ops. */ - switch ((ir-1)->o) { -#if LJ_HASFFI - case IR_ADD: - as->curins--; - asm_intop(as, ir, ARMI_ADC); - asm_intop(as, ir-1, ARMI_ADD|ARMI_S); - break; - case IR_SUB: - as->curins--; - asm_intop(as, ir, ARMI_SBC); - asm_intop(as, ir-1, ARMI_SUB|ARMI_S); - break; - case IR_NEG: - as->curins--; - asm_intneg(as, ir, ARMI_RSC); - asm_intneg(as, ir-1, ARMI_RSB|ARMI_S); - break; -#endif - case IR_SLOAD: case IR_ALOAD: case IR_HLOAD: case IR_ULOAD: case IR_VLOAD: - case IR_STRTO: - if (!uselo) - ra_allocref(as, ir->op1, RSET_GPR); /* Mark lo op as used. */ - break; - case IR_CALLN: - case IR_CALLS: - case IR_CALLXS: - if (!uselo) - ra_allocref(as, ir->op1, RID2RSET(RID_RETLO)); /* Mark lo op as used. */ - break; - case IR_ASTORE: case IR_HSTORE: case IR_USTORE: - case IR_TOSTR: case IR_CNEWI: - /* Nothing to do here. Handled by lo op itself. */ - break; - default: lua_assert(0); break; - } -} - -/* -- Stack handling ------------------------------------------------------ */ - -/* Check Lua stack size for overflow. Use exit handler as fallback. */ -static void asm_stack_check(ASMState *as, BCReg topslot, - IRIns *irp, RegSet allow, ExitNo exitno) -{ - Reg pbase; - uint32_t k; - if (irp) { - if (!ra_hasspill(irp->s)) { - pbase = irp->r; - lua_assert(ra_hasreg(pbase)); - } else if (allow) { - pbase = rset_pickbot(allow); - } else { - pbase = RID_RET; - emit_lso(as, ARMI_LDR, RID_RET, RID_SP, 0); /* Restore temp. register. */ - } - } else { - pbase = RID_BASE; - } - emit_branch(as, ARMF_CC(ARMI_BL, CC_LS), exitstub_addr(as->J, exitno)); - k = emit_isk12(0, (int32_t)(8*topslot)); - lua_assert(k); - emit_n(as, ARMI_CMP^k, RID_TMP); - emit_dnm(as, ARMI_SUB, RID_TMP, RID_TMP, pbase); - emit_lso(as, ARMI_LDR, RID_TMP, RID_TMP, - (int32_t)offsetof(lua_State, maxstack)); - if (irp) { /* Must not spill arbitrary registers in head of side trace. */ - int32_t i = i32ptr(&J2G(as->J)->jit_L); - if (ra_hasspill(irp->s)) - emit_lso(as, ARMI_LDR, pbase, RID_SP, sps_scale(irp->s)); - emit_lso(as, ARMI_LDR, RID_TMP, RID_TMP, (i & 4095)); - if (ra_hasspill(irp->s) && !allow) - emit_lso(as, ARMI_STR, RID_RET, RID_SP, 0); /* Save temp. register. */ - emit_loadi(as, RID_TMP, (i & ~4095)); - } else { - emit_getgl(as, RID_TMP, jit_L); - } -} - -/* Restore Lua stack from on-trace state. */ -static void asm_stack_restore(ASMState *as, SnapShot *snap) -{ - SnapEntry *map = &as->T->snapmap[snap->mapofs]; - SnapEntry *flinks = &as->T->snapmap[snap_nextofs(as->T, snap)-1]; - MSize n, nent = snap->nent; - /* Store the value of all modified slots to the Lua stack. */ - for (n = 0; n < nent; n++) { - SnapEntry sn = map[n]; - BCReg s = snap_slot(sn); - int32_t ofs = 8*((int32_t)s-1); - IRRef ref = snap_ref(sn); - IRIns *ir = IR(ref); - if ((sn & SNAP_NORESTORE)) - continue; - if (irt_isnum(ir->t)) { - RegSet odd = rset_exclude(RSET_GPRODD, RID_BASE); - Reg tmp; - lua_assert(irref_isk(ref)); /* LJ_SOFTFP: must be a number constant. */ - tmp = ra_allock(as, (int32_t)ir_knum(ir)->u32.lo, - rset_exclude(RSET_GPREVEN, RID_BASE)); - emit_lso(as, ARMI_STR, tmp, RID_BASE, ofs); - if (rset_test(as->freeset, tmp+1)) odd = RID2RSET(tmp+1); - tmp = ra_allock(as, (int32_t)ir_knum(ir)->u32.hi, odd); - emit_lso(as, ARMI_STR, tmp, RID_BASE, ofs+4); - } else { - RegSet odd = rset_exclude(RSET_GPRODD, RID_BASE); - Reg type; - lua_assert(irt_ispri(ir->t) || irt_isaddr(ir->t) || irt_isinteger(ir->t)); - if (!irt_ispri(ir->t)) { - Reg src = ra_alloc1(as, ref, rset_exclude(RSET_GPREVEN, RID_BASE)); - emit_lso(as, ARMI_STR, src, RID_BASE, ofs); - if (rset_test(as->freeset, src+1)) odd = RID2RSET(src+1); - } - if ((sn & (SNAP_CONT|SNAP_FRAME))) { - if (s == 0) continue; /* Do not overwrite link to previous frame. */ - type = ra_allock(as, (int32_t)(*flinks--), odd); - } else if ((sn & SNAP_SOFTFPNUM)) { - type = ra_alloc1(as, ref+1, rset_exclude(RSET_GPRODD, RID_BASE)); - } else { - type = ra_allock(as, (int32_t)irt_toitype(ir->t), odd); - } - emit_lso(as, ARMI_STR, type, RID_BASE, ofs+4); - } - checkmclim(as); - } - lua_assert(map + nent == flinks); -} - -/* -- GC handling --------------------------------------------------------- */ - -/* Check GC threshold and do one or more GC steps. */ -static void asm_gc_check(ASMState *as) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_gc_step_jit]; - IRRef args[2]; - MCLabel l_end; - Reg tmp1, tmp2; - ra_evictset(as, RSET_SCRATCH); - l_end = emit_label(as); - /* Exit trace if in GCSatomic or GCSfinalize. Avoids syncing GC objects. */ - asm_guardcc(as, CC_NE); /* Assumes asm_snap_prep() already done. */ - emit_n(as, ARMI_CMP|ARMI_K12|0, RID_RET); - args[0] = ASMREF_TMP1; /* global_State *g */ - args[1] = ASMREF_TMP2; /* MSize steps */ - asm_gencall(as, ci, args); - tmp1 = ra_releasetmp(as, ASMREF_TMP1); - tmp2 = ra_releasetmp(as, ASMREF_TMP2); - emit_loadi(as, tmp2, (int32_t)as->gcsteps); - /* Jump around GC step if GC total < GC threshold. */ - emit_branch(as, ARMF_CC(ARMI_B, CC_LS), l_end); - emit_nm(as, ARMI_CMP, RID_TMP, tmp2); - emit_lso(as, ARMI_LDR, tmp2, tmp1, - (int32_t)offsetof(global_State, gc.threshold)); - emit_lso(as, ARMI_LDR, RID_TMP, tmp1, - (int32_t)offsetof(global_State, gc.total)); - ra_allockreg(as, i32ptr(J2G(as->J)), tmp1); - as->gcsteps = 0; - checkmclim(as); -} - -/* -- Loop handling ------------------------------------------------------- */ - -/* Fixup the loop branch. */ -static void asm_loop_fixup(ASMState *as) -{ - MCode *p = as->mctop; - MCode *target = as->mcp; - if (as->loopinv) { /* Inverted loop branch? */ - /* asm_guardcc already inverted the bcc and patched the final bl. */ - p[-2] |= ((uint32_t)(target-p) & 0x00ffffffu); - } else { - p[-1] = ARMI_B | ((uint32_t)((target-p)-1) & 0x00ffffffu); - } -} - -/* -- Head of trace ------------------------------------------------------- */ - -/* Reload L register from g->jit_L. */ -static void asm_head_lreg(ASMState *as) -{ - IRIns *ir = IR(ASMREF_L); - if (ra_used(ir)) { - Reg r = ra_dest(as, ir, RSET_GPR); - emit_getgl(as, r, jit_L); - ra_evictk(as); - } -} - -/* Coalesce BASE register for a root trace. */ -static void asm_head_root_base(ASMState *as) -{ - IRIns *ir; - asm_head_lreg(as); - ir = IR(REF_BASE); - if (ra_hasreg(ir->r) && rset_test(as->modset, ir->r)) ra_spill(as, ir); - ra_destreg(as, ir, RID_BASE); -} - -/* Coalesce BASE register for a side trace. */ -static RegSet asm_head_side_base(ASMState *as, IRIns *irp, RegSet allow) -{ - IRIns *ir; - asm_head_lreg(as); - ir = IR(REF_BASE); - if (ra_hasreg(ir->r) && rset_test(as->modset, ir->r)) ra_spill(as, ir); - if (ra_hasspill(irp->s)) { - rset_clear(allow, ra_dest(as, ir, allow)); - } else { - lua_assert(ra_hasreg(irp->r)); - rset_clear(allow, irp->r); - ra_destreg(as, ir, irp->r); - } - return allow; -} - -/* -- Tail of trace ------------------------------------------------------- */ - -/* Fixup the tail code. */ -static void asm_tail_fixup(ASMState *as, TraceNo lnk) -{ - MCode *p = as->mctop; - MCode *target; - int32_t spadj = as->T->spadjust; - if (spadj == 0) { - as->mctop = --p; - } else { - /* Patch stack adjustment. */ - uint32_t k = emit_isk12(ARMI_ADD, spadj); - lua_assert(k); - p[-2] = (ARMI_ADD^k) | ARMF_D(RID_SP) | ARMF_N(RID_SP); - } - /* Patch exit branch. */ - target = lnk ? traceref(as->J, lnk)->mcode : (MCode *)lj_vm_exit_interp; - p[-1] = ARMI_B|(((target-p)-1)&0x00ffffffu); -} - -/* Prepare tail of code. */ -static void asm_tail_prep(ASMState *as) -{ - MCode *p = as->mctop - 1; /* Leave room for exit branch. */ - if (as->loopref) { - as->invmcp = as->mcp = p; - } else { - as->mcp = p-1; /* Leave room for stack pointer adjustment. */ - as->invmcp = NULL; - } - *p = 0; /* Prevent load/store merging. */ -} - -/* -- Instruction dispatch ------------------------------------------------ */ - -/* Assemble a single instruction. */ -static void asm_ir(ASMState *as, IRIns *ir) -{ - switch ((IROp)ir->o) { - /* Miscellaneous ops. */ - case IR_LOOP: asm_loop(as); break; - case IR_NOP: case IR_XBAR: lua_assert(!ra_used(ir)); break; - case IR_USE: ra_alloc1(as, ir->op1, RSET_GPR); break; - case IR_PHI: asm_phi(as, ir); break; - case IR_HIOP: asm_hiop(as, ir); break; - - /* Guarded assertions. */ - case IR_EQ: case IR_NE: - if ((ir-1)->o == IR_HREF && ir->op1 == as->curins-1) { - as->curins--; - asm_href(as, ir-1, (IROp)ir->o); - break; - } - /* fallthrough */ - case IR_LT: case IR_GE: case IR_LE: case IR_GT: - case IR_ULT: case IR_UGE: case IR_ULE: case IR_UGT: - case IR_ABC: - asm_intcomp(as, ir); - break; - - case IR_RETF: asm_retf(as, ir); break; - - /* Bit ops. */ - case IR_BNOT: asm_bitop(as, ir, ARMI_MVN); break; - case IR_BSWAP: asm_bitswap(as, ir); break; - - case IR_BAND: asm_bitop(as, ir, ARMI_AND); break; - case IR_BOR: asm_bitop(as, ir, ARMI_ORR); break; - case IR_BXOR: asm_bitop(as, ir, ARMI_EOR); break; - - case IR_BSHL: asm_bitshift(as, ir, ARMSH_LSL); break; - case IR_BSHR: asm_bitshift(as, ir, ARMSH_LSR); break; - case IR_BSAR: asm_bitshift(as, ir, ARMSH_ASR); break; - case IR_BROR: asm_bitshift(as, ir, ARMSH_ROR); break; - case IR_BROL: lua_assert(0); break; - - /* Arithmetic ops. */ - case IR_ADD: case IR_ADDOV: asm_arithop(as, ir, ARMI_ADD); break; - case IR_SUB: case IR_SUBOV: asm_arithop(as, ir, ARMI_SUB); break; - case IR_MUL: case IR_MULOV: asm_intmul(as, ir); break; - case IR_MOD: asm_intmod(as, ir); break; - - case IR_NEG: asm_intneg(as, ir, ARMI_RSB); break; - - case IR_MIN: asm_intmin_max(as, ir, CC_GT); break; - case IR_MAX: asm_intmin_max(as, ir, CC_LT); break; - - case IR_FPMATH: case IR_ATAN2: case IR_LDEXP: - case IR_DIV: case IR_POW: case IR_ABS: case IR_TOBIT: - lua_assert(0); /* Unused for LJ_SOFTFP. */ - break; - - /* Memory references. */ - case IR_AREF: asm_aref(as, ir); break; - case IR_HREF: asm_href(as, ir, 0); break; - case IR_HREFK: asm_hrefk(as, ir); break; - case IR_NEWREF: asm_newref(as, ir); break; - case IR_UREFO: case IR_UREFC: asm_uref(as, ir); break; - case IR_FREF: asm_fref(as, ir); break; - case IR_STRREF: asm_strref(as, ir); break; - - /* Loads and stores. */ - case IR_ALOAD: case IR_HLOAD: case IR_ULOAD: case IR_VLOAD: - asm_ahuvload(as, ir); - break; - case IR_FLOAD: asm_fload(as, ir); break; - case IR_XLOAD: asm_xload(as, ir); break; - case IR_SLOAD: asm_sload(as, ir); break; - - case IR_ASTORE: case IR_HSTORE: case IR_USTORE: asm_ahustore(as, ir); break; - case IR_FSTORE: asm_fstore(as, ir); break; - case IR_XSTORE: asm_xstore(as, ir); break; - - /* Allocations. */ - case IR_SNEW: case IR_XSNEW: asm_snew(as, ir); break; - case IR_TNEW: asm_tnew(as, ir); break; - case IR_TDUP: asm_tdup(as, ir); break; - case IR_CNEW: case IR_CNEWI: asm_cnew(as, ir); break; - - /* Write barriers. */ - case IR_TBAR: asm_tbar(as, ir); break; - case IR_OBAR: asm_obar(as, ir); break; - - /* Type conversions. */ - case IR_CONV: asm_conv(as, ir); break; - case IR_TOSTR: asm_tostr(as, ir); break; - case IR_STRTO: asm_strto(as, ir); break; - - /* Calls. */ - case IR_CALLN: case IR_CALLL: case IR_CALLS: asm_call(as, ir); break; - case IR_CALLXS: asm_callx(as, ir); break; - case IR_CARG: break; - - default: - setintV(&as->J->errinfo, ir->o); - lj_trace_err_info(as->J, LJ_TRERR_NYIIR); - break; - } -} - -/* -- Trace setup --------------------------------------------------------- */ - -/* Ensure there are enough stack slots for call arguments. */ -static Reg asm_setup_call_slots(ASMState *as, IRIns *ir, const CCallInfo *ci) -{ - IRRef args[CCI_NARGS_MAX]; - uint32_t i, nargs = (int)CCI_NARGS(ci); - int nslots = 0, ngpr = REGARG_NUMGPR; - asm_collectargs(as, ir, ci, args); - for (i = 0; i < nargs; i++) - if (!LJ_SOFTFP && args[i] && irt_isnum(IR(args[i])->t)) { - ngpr &= ~1; - if (ngpr > 0) ngpr -= 2; else nslots += 2; - } else { - if (ngpr > 0) ngpr--; else nslots++; - } - if (nslots > as->evenspill) /* Leave room for args in stack slots. */ - as->evenspill = nslots; - return REGSP_HINT(RID_RET); -} - -static void asm_setup_target(ASMState *as) -{ - /* May need extra exit for asm_stack_check on side traces. */ - asm_exitstub_setup(as, as->T->nsnap + (as->parent ? 1 : 0)); -} - -/* -- Trace patching ------------------------------------------------------ */ - -/* Patch exit jumps of existing machine code to a new target. */ -void lj_asm_patchexit(jit_State *J, GCtrace *T, ExitNo exitno, MCode *target) -{ - MCode *p = T->mcode; - MCode *pe = (MCode *)((char *)p + T->szmcode); - MCode *cstart = NULL, *cend = p; - MCode *mcarea = lj_mcode_patch(J, p, 0); - MCode *px = exitstub_addr(J, exitno) - 2; - for (; p < pe; p++) { - /* Look for bl_cc exitstub, replace with b_cc target. */ - uint32_t ins = *p; - if ((ins & 0x0f000000u) == 0x0b000000u && ins < 0xf0000000u && - ((ins ^ (px-p)) & 0x00ffffffu) == 0) { - *p = (ins & 0xfe000000u) | (((target-p)-2) & 0x00ffffffu); - cend = p+1; - if (!cstart) cstart = p; - } - } - lua_assert(cstart != NULL); - lj_mcode_sync(cstart, cend); - lj_mcode_patch(J, mcarea, 1); -} - diff --git a/libraries/luajit-2.0/src/lj_asm_ppc.h b/libraries/luajit-2.0/src/lj_asm_ppc.h deleted file mode 100644 index f3f9e2e..0000000 --- a/libraries/luajit-2.0/src/lj_asm_ppc.h +++ /dev/null @@ -1,2143 +0,0 @@ -/* -** PPC IR assembler (SSA IR -> machine code). -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -/* -- Register allocator extensions --------------------------------------- */ - -/* Allocate a register with a hint. */ -static Reg ra_hintalloc(ASMState *as, IRRef ref, Reg hint, RegSet allow) -{ - Reg r = IR(ref)->r; - if (ra_noreg(r)) { - if (!ra_hashint(r) && !iscrossref(as, ref)) - ra_sethint(IR(ref)->r, hint); /* Propagate register hint. */ - r = ra_allocref(as, ref, allow); - } - ra_noweak(as, r); - return r; -} - -/* Allocate two source registers for three-operand instructions. */ -static Reg ra_alloc2(ASMState *as, IRIns *ir, RegSet allow) -{ - IRIns *irl = IR(ir->op1), *irr = IR(ir->op2); - Reg left = irl->r, right = irr->r; - if (ra_hasreg(left)) { - ra_noweak(as, left); - if (ra_noreg(right)) - right = ra_allocref(as, ir->op2, rset_exclude(allow, left)); - else - ra_noweak(as, right); - } else if (ra_hasreg(right)) { - ra_noweak(as, right); - left = ra_allocref(as, ir->op1, rset_exclude(allow, right)); - } else if (ra_hashint(right)) { - right = ra_allocref(as, ir->op2, allow); - left = ra_alloc1(as, ir->op1, rset_exclude(allow, right)); - } else { - left = ra_allocref(as, ir->op1, allow); - right = ra_alloc1(as, ir->op2, rset_exclude(allow, left)); - } - return left | (right << 8); -} - -/* -- Guard handling ------------------------------------------------------ */ - -/* Setup exit stubs after the end of each trace. */ -static void asm_exitstub_setup(ASMState *as, ExitNo nexits) -{ - ExitNo i; - MCode *mxp = as->mctop; - /* 1: mflr r0; bl ->vm_exit_handler; li r0, traceno; bl <1; bl <1; ... */ - for (i = nexits-1; (int32_t)i >= 0; i--) - *--mxp = PPCI_BL|(((-3-i)&0x00ffffffu)<<2); - *--mxp = PPCI_LI|PPCF_T(RID_TMP)|as->T->traceno; /* Read by exit handler. */ - mxp--; - *mxp = PPCI_BL|((((MCode *)(void *)lj_vm_exit_handler-mxp)&0x00ffffffu)<<2); - *--mxp = PPCI_MFLR|PPCF_T(RID_TMP); - as->mctop = mxp; -} - -static MCode *asm_exitstub_addr(ASMState *as, ExitNo exitno) -{ - /* Keep this in-sync with exitstub_trace_addr(). */ - return as->mctop + exitno + 3; -} - -/* Emit conditional branch to exit for guard. */ -static void asm_guardcc(ASMState *as, PPCCC cc) -{ - MCode *target = asm_exitstub_addr(as, as->snapno); - MCode *p = as->mcp; - if (LJ_UNLIKELY(p == as->invmcp)) { - as->loopinv = 1; - *p = PPCI_B | (((target-p) & 0x00ffffffu) << 2); - emit_condbranch(as, PPCI_BC, cc^4, p); - return; - } - emit_condbranch(as, PPCI_BC, cc, target); -} - -/* -- Operand fusion ------------------------------------------------------ */ - -/* Limit linear search to this distance. Avoids O(n^2) behavior. */ -#define CONFLICT_SEARCH_LIM 31 - -/* Check if there's no conflicting instruction between curins and ref. */ -static int noconflict(ASMState *as, IRRef ref, IROp conflict) -{ - IRIns *ir = as->ir; - IRRef i = as->curins; - if (i > ref + CONFLICT_SEARCH_LIM) - return 0; /* Give up, ref is too far away. */ - while (--i > ref) - if (ir[i].o == conflict) - return 0; /* Conflict found. */ - return 1; /* Ok, no conflict. */ -} - -/* Fuse the array base of colocated arrays. */ -static int32_t asm_fuseabase(ASMState *as, IRRef ref) -{ - IRIns *ir = IR(ref); - if (ir->o == IR_TNEW && ir->op1 <= LJ_MAX_COLOSIZE && - !neverfuse(as) && noconflict(as, ref, IR_NEWREF)) - return (int32_t)sizeof(GCtab); - return 0; -} - -/* Indicates load/store indexed is ok. */ -#define AHUREF_LSX ((int32_t)0x80000000) - -/* Fuse array/hash/upvalue reference into register+offset operand. */ -static Reg asm_fuseahuref(ASMState *as, IRRef ref, int32_t *ofsp, RegSet allow) -{ - IRIns *ir = IR(ref); - if (ra_noreg(ir->r)) { - if (ir->o == IR_AREF) { - if (mayfuse(as, ref)) { - if (irref_isk(ir->op2)) { - IRRef tab = IR(ir->op1)->op1; - int32_t ofs = asm_fuseabase(as, tab); - IRRef refa = ofs ? tab : ir->op1; - ofs += 8*IR(ir->op2)->i; - if (checki16(ofs)) { - *ofsp = ofs; - return ra_alloc1(as, refa, allow); - } - } - if (*ofsp == AHUREF_LSX) { - Reg base = ra_alloc1(as, ir->op1, allow); - Reg idx = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, base)); - return base | (idx << 8); - } - } - } else if (ir->o == IR_HREFK) { - if (mayfuse(as, ref)) { - int32_t ofs = (int32_t)(IR(ir->op2)->op2 * sizeof(Node)); - if (checki16(ofs)) { - *ofsp = ofs; - return ra_alloc1(as, ir->op1, allow); - } - } - } else if (ir->o == IR_UREFC) { - if (irref_isk(ir->op1)) { - GCfunc *fn = ir_kfunc(IR(ir->op1)); - int32_t ofs = i32ptr(&gcref(fn->l.uvptr[(ir->op2 >> 8)])->uv.tv); - int32_t jgl = (intptr_t)J2G(as->J); - if ((uint32_t)(ofs-jgl) < 65536) { - *ofsp = ofs-jgl-32768; - return RID_JGL; - } else { - *ofsp = (int16_t)ofs; - return ra_allock(as, ofs-(int16_t)ofs, allow); - } - } - } - } - *ofsp = 0; - return ra_alloc1(as, ref, allow); -} - -/* Fuse XLOAD/XSTORE reference into load/store operand. */ -static void asm_fusexref(ASMState *as, PPCIns pi, Reg rt, IRRef ref, - RegSet allow) -{ - IRIns *ir = IR(ref); - int32_t ofs = 0; - Reg base; - if (ra_noreg(ir->r) && mayfuse(as, ref)) { - if (ir->o == IR_ADD) { - if (irref_isk(ir->op2) && (ofs = IR(ir->op2)->i, checki16(ofs))) { - ref = ir->op1; - } else { - Reg right, left = ra_alloc2(as, ir, allow); - right = (left >> 8); left &= 255; - emit_fab(as, PPCI_LWZX | ((pi >> 20) & 0x780), rt, left, right); - return; - } - } else if (ir->o == IR_STRREF) { - ofs = (int32_t)sizeof(GCstr); - if (irref_isk(ir->op2)) { - ofs += IR(ir->op2)->i; - ref = ir->op1; - } else if (irref_isk(ir->op1)) { - ofs += IR(ir->op1)->i; - ref = ir->op2; - } else { - /* NYI: Fuse ADD with constant. */ - Reg right, left = ra_alloc2(as, ir, allow); - right = (left >> 8); left &= 255; - emit_fai(as, pi, rt, rt, ofs); - emit_tab(as, PPCI_ADD, rt, left, right); - return; - } - if (!checki16(ofs)) { - Reg left = ra_alloc1(as, ref, allow); - Reg right = ra_allock(as, ofs, rset_exclude(allow, left)); - emit_fab(as, PPCI_LWZX | ((pi >> 20) & 0x780), rt, left, right); - return; - } - } - } - base = ra_alloc1(as, ref, allow); - emit_fai(as, pi, rt, base, ofs); -} - -/* Fuse XLOAD/XSTORE reference into indexed-only load/store operand. */ -static void asm_fusexrefx(ASMState *as, PPCIns pi, Reg rt, IRRef ref, - RegSet allow) -{ - IRIns *ira = IR(ref); - Reg right, left; - if (mayfuse(as, ref) && ira->o == IR_ADD && ra_noreg(ira->r)) { - left = ra_alloc2(as, ira, allow); - right = (left >> 8); left &= 255; - } else { - right = ra_alloc1(as, ref, allow); - left = RID_R0; - } - emit_tab(as, pi, rt, left, right); -} - -/* Fuse to multiply-add/sub instruction. */ -static int asm_fusemadd(ASMState *as, IRIns *ir, PPCIns pi, PPCIns pir) -{ - IRRef lref = ir->op1, rref = ir->op2; - IRIns *irm; - if (lref != rref && - ((mayfuse(as, lref) && (irm = IR(lref), irm->o == IR_MUL) && - ra_noreg(irm->r)) || - (mayfuse(as, rref) && (irm = IR(rref), irm->o == IR_MUL) && - (rref = lref, pi = pir, ra_noreg(irm->r))))) { - Reg dest = ra_dest(as, ir, RSET_FPR); - Reg add = ra_alloc1(as, rref, RSET_FPR); - Reg right, left = ra_alloc2(as, irm, rset_exclude(RSET_FPR, add)); - right = (left >> 8); left &= 255; - emit_facb(as, pi, dest, left, right, add); - return 1; - } - return 0; -} - -/* -- Calls --------------------------------------------------------------- */ - -/* Generate a call to a C function. */ -static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args) -{ - uint32_t n, nargs = CCI_NARGS(ci); - int32_t ofs = 8; - Reg gpr = REGARG_FIRSTGPR, fpr = REGARG_FIRSTFPR; - if ((void *)ci->func) - emit_call(as, (void *)ci->func); - for (n = 0; n < nargs; n++) { /* Setup args. */ - IRRef ref = args[n]; - if (ref) { - IRIns *ir = IR(ref); - if (irt_isfp(ir->t)) { - if (fpr <= REGARG_LASTFPR) { - lua_assert(rset_test(as->freeset, fpr)); /* Already evicted. */ - ra_leftov(as, fpr, ref); - fpr++; - } else { - Reg r = ra_alloc1(as, ref, RSET_FPR); - if (irt_isnum(ir->t)) ofs = (ofs + 4) & ~4; - emit_spstore(as, ir, r, ofs); - ofs += irt_isnum(ir->t) ? 8 : 4; - } - } else { - if (gpr <= REGARG_LASTGPR) { - lua_assert(rset_test(as->freeset, gpr)); /* Already evicted. */ - ra_leftov(as, gpr, ref); - gpr++; - } else { - Reg r = ra_alloc1(as, ref, RSET_GPR); - emit_spstore(as, ir, r, ofs); - ofs += 4; - } - } - } else { - if (gpr <= REGARG_LASTGPR) - gpr++; - else - ofs += 4; - } - } - if ((ci->flags & CCI_VARARG)) /* Vararg calls need to know about FPR use. */ - emit_tab(as, fpr == REGARG_FIRSTFPR ? PPCI_CRXOR : PPCI_CREQV, 6, 6, 6); -} - -/* Setup result reg/sp for call. Evict scratch regs. */ -static void asm_setupresult(ASMState *as, IRIns *ir, const CCallInfo *ci) -{ - RegSet drop = RSET_SCRATCH; - int hiop = ((ir+1)->o == IR_HIOP); - if ((ci->flags & CCI_NOFPRCLOBBER)) - drop &= ~RSET_FPR; - if (ra_hasreg(ir->r)) - rset_clear(drop, ir->r); /* Dest reg handled below. */ - if (hiop && ra_hasreg((ir+1)->r)) - rset_clear(drop, (ir+1)->r); /* Dest reg handled below. */ - ra_evictset(as, drop); /* Evictions must be performed first. */ - if (ra_used(ir)) { - lua_assert(!irt_ispri(ir->t)); - if (irt_isfp(ir->t)) { - if ((ci->flags & CCI_CASTU64)) { - /* Use spill slot or temp slots. */ - int32_t ofs = ir->s ? sps_scale(ir->s) : SPOFS_TMP; - Reg dest = ir->r; - if (ra_hasreg(dest)) { - ra_free(as, dest); - ra_modified(as, dest); - emit_fai(as, PPCI_LFD, dest, RID_SP, ofs); - } - emit_tai(as, PPCI_STW, RID_RETHI, RID_SP, ofs); - emit_tai(as, PPCI_STW, RID_RETLO, RID_SP, ofs+4); - } else { - ra_destreg(as, ir, RID_FPRET); - } - } else if (hiop) { - ra_destpair(as, ir); - } else { - ra_destreg(as, ir, RID_RET); - } - } -} - -static void asm_call(ASMState *as, IRIns *ir) -{ - IRRef args[CCI_NARGS_MAX]; - const CCallInfo *ci = &lj_ir_callinfo[ir->op2]; - asm_collectargs(as, ir, ci, args); - asm_setupresult(as, ir, ci); - asm_gencall(as, ci, args); -} - -static void asm_callx(ASMState *as, IRIns *ir) -{ - IRRef args[CCI_NARGS_MAX]; - CCallInfo ci; - IRRef func; - IRIns *irf; - ci.flags = asm_callx_flags(as, ir); - asm_collectargs(as, ir, &ci, args); - asm_setupresult(as, ir, &ci); - func = ir->op2; irf = IR(func); - if (irf->o == IR_CARG) { func = irf->op1; irf = IR(func); } - if (irref_isk(func)) { /* Call to constant address. */ - ci.func = (ASMFunction)(void *)(irf->i); - } else { /* Need a non-argument register for indirect calls. */ - RegSet allow = RSET_GPR & ~RSET_RANGE(RID_R0, REGARG_LASTGPR+1); - Reg freg = ra_alloc1(as, func, allow); - *--as->mcp = PPCI_BCTRL; - *--as->mcp = PPCI_MTCTR | PPCF_T(freg); - ci.func = (ASMFunction)(void *)0; - } - asm_gencall(as, &ci, args); -} - -static void asm_callid(ASMState *as, IRIns *ir, IRCallID id) -{ - const CCallInfo *ci = &lj_ir_callinfo[id]; - IRRef args[2]; - args[0] = ir->op1; - args[1] = ir->op2; - asm_setupresult(as, ir, ci); - asm_gencall(as, ci, args); -} - -/* -- Returns ------------------------------------------------------------- */ - -/* Return to lower frame. Guard that it goes to the right spot. */ -static void asm_retf(ASMState *as, IRIns *ir) -{ - Reg base = ra_alloc1(as, REF_BASE, RSET_GPR); - void *pc = ir_kptr(IR(ir->op2)); - int32_t delta = 1+bc_a(*((const BCIns *)pc - 1)); - as->topslot -= (BCReg)delta; - if ((int32_t)as->topslot < 0) as->topslot = 0; - emit_setgl(as, base, jit_base); - emit_addptr(as, base, -8*delta); - asm_guardcc(as, CC_NE); - emit_ab(as, PPCI_CMPW, RID_TMP, - ra_allock(as, i32ptr(pc), rset_exclude(RSET_GPR, base))); - emit_tai(as, PPCI_LWZ, RID_TMP, base, -8); -} - -/* -- Type conversions ---------------------------------------------------- */ - -static void asm_tointg(ASMState *as, IRIns *ir, Reg left) -{ - RegSet allow = RSET_FPR; - Reg tmp = ra_scratch(as, rset_clear(allow, left)); - Reg fbias = ra_scratch(as, rset_clear(allow, tmp)); - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg hibias = ra_allock(as, 0x43300000, rset_exclude(RSET_GPR, dest)); - asm_guardcc(as, CC_NE); - emit_fab(as, PPCI_FCMPU, 0, tmp, left); - emit_fab(as, PPCI_FSUB, tmp, tmp, fbias); - emit_fai(as, PPCI_LFD, tmp, RID_SP, SPOFS_TMP); - emit_tai(as, PPCI_STW, RID_TMP, RID_SP, SPOFS_TMPLO); - emit_tai(as, PPCI_STW, hibias, RID_SP, SPOFS_TMPHI); - emit_asi(as, PPCI_XORIS, RID_TMP, dest, 0x8000); - emit_tai(as, PPCI_LWZ, dest, RID_SP, SPOFS_TMPLO); - emit_lsptr(as, PPCI_LFS, (fbias & 31), - (void *)lj_ir_k64_find(as->J, U64x(59800004,59800000)), - RSET_GPR); - emit_fai(as, PPCI_STFD, tmp, RID_SP, SPOFS_TMP); - emit_fb(as, PPCI_FCTIWZ, tmp, left); -} - -static void asm_tobit(ASMState *as, IRIns *ir) -{ - RegSet allow = RSET_FPR; - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg left = ra_alloc1(as, ir->op1, allow); - Reg right = ra_alloc1(as, ir->op2, rset_clear(allow, left)); - Reg tmp = ra_scratch(as, rset_clear(allow, right)); - emit_tai(as, PPCI_LWZ, dest, RID_SP, SPOFS_TMPLO); - emit_fai(as, PPCI_STFD, tmp, RID_SP, SPOFS_TMP); - emit_fab(as, PPCI_FADD, tmp, left, right); -} - -static void asm_conv(ASMState *as, IRIns *ir) -{ - IRType st = (IRType)(ir->op2 & IRCONV_SRCMASK); - int stfp = (st == IRT_NUM || st == IRT_FLOAT); - IRRef lref = ir->op1; - lua_assert(irt_type(ir->t) != st); - lua_assert(!(irt_isint64(ir->t) || - (st == IRT_I64 || st == IRT_U64))); /* Handled by SPLIT. */ - if (irt_isfp(ir->t)) { - Reg dest = ra_dest(as, ir, RSET_FPR); - if (stfp) { /* FP to FP conversion. */ - if (st == IRT_NUM) /* double -> float conversion. */ - emit_fb(as, PPCI_FRSP, dest, ra_alloc1(as, lref, RSET_FPR)); - else /* float -> double conversion is a no-op on PPC. */ - ra_leftov(as, dest, lref); /* Do nothing, but may need to move regs. */ - } else { /* Integer to FP conversion. */ - /* IRT_INT: Flip hibit, bias with 2^52, subtract 2^52+2^31. */ - /* IRT_U32: Bias with 2^52, subtract 2^52. */ - RegSet allow = RSET_GPR; - Reg left = ra_alloc1(as, lref, allow); - Reg hibias = ra_allock(as, 0x43300000, rset_clear(allow, left)); - Reg fbias = ra_scratch(as, rset_exclude(RSET_FPR, dest)); - const float *kbias; - if (irt_isfloat(ir->t)) emit_fb(as, PPCI_FRSP, dest, dest); - emit_fab(as, PPCI_FSUB, dest, dest, fbias); - emit_fai(as, PPCI_LFD, dest, RID_SP, SPOFS_TMP); - kbias = (const float *)lj_ir_k64_find(as->J, U64x(59800004,59800000)); - if (st == IRT_U32) kbias++; - emit_lsptr(as, PPCI_LFS, (fbias & 31), (void *)kbias, - rset_clear(allow, hibias)); - emit_tai(as, PPCI_STW, st == IRT_U32 ? left : RID_TMP, - RID_SP, SPOFS_TMPLO); - emit_tai(as, PPCI_STW, hibias, RID_SP, SPOFS_TMPHI); - if (st != IRT_U32) emit_asi(as, PPCI_XORIS, RID_TMP, left, 0x8000); - } - } else if (stfp) { /* FP to integer conversion. */ - if (irt_isguard(ir->t)) { - /* Checked conversions are only supported from number to int. */ - lua_assert(irt_isint(ir->t) && st == IRT_NUM); - asm_tointg(as, ir, ra_alloc1(as, lref, RSET_FPR)); - } else { - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg left = ra_alloc1(as, lref, RSET_FPR); - Reg tmp = ra_scratch(as, rset_exclude(RSET_FPR, left)); - if (irt_isu32(ir->t)) { - /* Convert both x and x-2^31 to int and merge results. */ - Reg tmpi = ra_scratch(as, rset_exclude(RSET_GPR, dest)); - emit_asb(as, PPCI_OR, dest, dest, tmpi); /* Select with mask idiom. */ - emit_asb(as, PPCI_AND, tmpi, tmpi, RID_TMP); - emit_asb(as, PPCI_ANDC, dest, dest, RID_TMP); - emit_tai(as, PPCI_LWZ, tmpi, RID_SP, SPOFS_TMPLO); /* tmp = (int)(x) */ - emit_tai(as, PPCI_ADDIS, dest, dest, 0x8000); /* dest += 2^31 */ - emit_asb(as, PPCI_SRAWI, RID_TMP, dest, 31); /* mask = -(dest < 0) */ - emit_fai(as, PPCI_STFD, tmp, RID_SP, SPOFS_TMP); - emit_tai(as, PPCI_LWZ, dest, - RID_SP, SPOFS_TMPLO); /* dest = (int)(x-2^31) */ - emit_fb(as, PPCI_FCTIWZ, tmp, left); - emit_fai(as, PPCI_STFD, tmp, RID_SP, SPOFS_TMP); - emit_fb(as, PPCI_FCTIWZ, tmp, tmp); - emit_fab(as, PPCI_FSUB, tmp, left, tmp); - emit_lsptr(as, PPCI_LFS, (tmp & 31), - (void *)lj_ir_k64_find(as->J, U64x(4f000000,00000000)), - RSET_GPR); - } else { - emit_tai(as, PPCI_LWZ, dest, RID_SP, SPOFS_TMPLO); - emit_fai(as, PPCI_STFD, tmp, RID_SP, SPOFS_TMP); - emit_fb(as, PPCI_FCTIWZ, tmp, left); - } - } - } else { - Reg dest = ra_dest(as, ir, RSET_GPR); - if (st >= IRT_I8 && st <= IRT_U16) { /* Extend to 32 bit integer. */ - Reg left = ra_alloc1(as, ir->op1, RSET_GPR); - lua_assert(irt_isint(ir->t) || irt_isu32(ir->t)); - if ((ir->op2 & IRCONV_SEXT)) - emit_as(as, st == IRT_I8 ? PPCI_EXTSB : PPCI_EXTSH, dest, left); - else - emit_rot(as, PPCI_RLWINM, dest, left, 0, st == IRT_U8 ? 24 : 16, 31); - } else { /* 32/64 bit integer conversions. */ - /* Only need to handle 32/32 bit no-op (cast) on 32 bit archs. */ - ra_leftov(as, dest, lref); /* Do nothing, but may need to move regs. */ - } - } -} - -#if LJ_HASFFI -static void asm_conv64(ASMState *as, IRIns *ir) -{ - IRType st = (IRType)((ir-1)->op2 & IRCONV_SRCMASK); - IRType dt = (((ir-1)->op2 & IRCONV_DSTMASK) >> IRCONV_DSH); - IRCallID id; - const CCallInfo *ci; - IRRef args[2]; - args[0] = ir->op1; - args[1] = (ir-1)->op1; - if (st == IRT_NUM || st == IRT_FLOAT) { - id = IRCALL_fp64_d2l + ((st == IRT_FLOAT) ? 2 : 0) + (dt - IRT_I64); - ir--; - } else { - id = IRCALL_fp64_l2d + ((dt == IRT_FLOAT) ? 2 : 0) + (st - IRT_I64); - } - ci = &lj_ir_callinfo[id]; - asm_setupresult(as, ir, ci); - asm_gencall(as, ci, args); -} -#endif - -static void asm_strto(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_tonum]; - IRRef args[2]; - int32_t ofs; - RegSet drop = RSET_SCRATCH; - if (ra_hasreg(ir->r)) rset_set(drop, ir->r); /* Spill dest reg (if any). */ - ra_evictset(as, drop); - asm_guardcc(as, CC_EQ); - emit_ai(as, PPCI_CMPWI, RID_RET, 0); /* Test return status. */ - args[0] = ir->op1; /* GCstr *str */ - args[1] = ASMREF_TMP1; /* TValue *n */ - asm_gencall(as, ci, args); - /* Store the result to the spill slot or temp slots. */ - ofs = ir->s ? sps_scale(ir->s) : SPOFS_TMP; - emit_tai(as, PPCI_ADDI, ra_releasetmp(as, ASMREF_TMP1), RID_SP, ofs); -} - -/* Get pointer to TValue. */ -static void asm_tvptr(ASMState *as, Reg dest, IRRef ref) -{ - IRIns *ir = IR(ref); - if (irt_isnum(ir->t)) { - if (irref_isk(ref)) /* Use the number constant itself as a TValue. */ - ra_allockreg(as, i32ptr(ir_knum(ir)), dest); - else /* Otherwise force a spill and use the spill slot. */ - emit_tai(as, PPCI_ADDI, dest, RID_SP, ra_spill(as, ir)); - } else { - /* Otherwise use g->tmptv to hold the TValue. */ - RegSet allow = rset_exclude(RSET_GPR, dest); - Reg type; - emit_tai(as, PPCI_ADDI, dest, RID_JGL, offsetof(global_State, tmptv)-32768); - if (!irt_ispri(ir->t)) { - Reg src = ra_alloc1(as, ref, allow); - emit_setgl(as, src, tmptv.gcr); - } - type = ra_allock(as, irt_toitype(ir->t), allow); - emit_setgl(as, type, tmptv.it); - } -} - -static void asm_tostr(ASMState *as, IRIns *ir) -{ - IRRef args[2]; - args[0] = ASMREF_L; - as->gcsteps++; - if (irt_isnum(IR(ir->op1)->t) || (ir+1)->o == IR_HIOP) { - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_fromnum]; - args[1] = ASMREF_TMP1; /* const lua_Number * */ - asm_setupresult(as, ir, ci); /* GCstr * */ - asm_gencall(as, ci, args); - asm_tvptr(as, ra_releasetmp(as, ASMREF_TMP1), ir->op1); - } else { - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_fromint]; - args[1] = ir->op1; /* int32_t k */ - asm_setupresult(as, ir, ci); /* GCstr * */ - asm_gencall(as, ci, args); - } -} - -/* -- Memory references --------------------------------------------------- */ - -static void asm_aref(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg idx, base; - if (irref_isk(ir->op2)) { - IRRef tab = IR(ir->op1)->op1; - int32_t ofs = asm_fuseabase(as, tab); - IRRef refa = ofs ? tab : ir->op1; - ofs += 8*IR(ir->op2)->i; - if (checki16(ofs)) { - base = ra_alloc1(as, refa, RSET_GPR); - emit_tai(as, PPCI_ADDI, dest, base, ofs); - return; - } - } - base = ra_alloc1(as, ir->op1, RSET_GPR); - idx = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, base)); - emit_tab(as, PPCI_ADD, dest, RID_TMP, base); - emit_slwi(as, RID_TMP, idx, 3); -} - -/* Inlined hash lookup. Specialized for key type and for const keys. -** The equivalent C code is: -** Node *n = hashkey(t, key); -** do { -** if (lj_obj_equal(&n->key, key)) return &n->val; -** } while ((n = nextnode(n))); -** return niltv(L); -*/ -static void asm_href(ASMState *as, IRIns *ir, IROp merge) -{ - RegSet allow = RSET_GPR; - int destused = ra_used(ir); - Reg dest = ra_dest(as, ir, allow); - Reg tab = ra_alloc1(as, ir->op1, rset_clear(allow, dest)); - Reg key = RID_NONE, tmp1 = RID_TMP, tmp2; - Reg tisnum = RID_NONE, tmpnum = RID_NONE; - IRRef refkey = ir->op2; - IRIns *irkey = IR(refkey); - IRType1 kt = irkey->t; - uint32_t khash; - MCLabel l_end, l_loop, l_next; - - rset_clear(allow, tab); - if (irt_isnum(kt)) { - key = ra_alloc1(as, refkey, RSET_FPR); - tmpnum = ra_scratch(as, rset_exclude(RSET_FPR, key)); - tisnum = ra_allock(as, (int32_t)LJ_TISNUM, allow); - rset_clear(allow, tisnum); - } else if (!irt_ispri(kt)) { - key = ra_alloc1(as, refkey, allow); - rset_clear(allow, key); - } - tmp2 = ra_scratch(as, allow); - rset_clear(allow, tmp2); - - /* Key not found in chain: jump to exit (if merged) or load niltv. */ - l_end = emit_label(as); - as->invmcp = NULL; - if (merge == IR_NE) - asm_guardcc(as, CC_EQ); - else if (destused) - emit_loada(as, dest, niltvg(J2G(as->J))); - - /* Follow hash chain until the end. */ - l_loop = --as->mcp; - emit_ai(as, PPCI_CMPWI, dest, 0); - emit_tai(as, PPCI_LWZ, dest, dest, (int32_t)offsetof(Node, next)); - l_next = emit_label(as); - - /* Type and value comparison. */ - if (merge == IR_EQ) - asm_guardcc(as, CC_EQ); - else - emit_condbranch(as, PPCI_BC|PPCF_Y, CC_EQ, l_end); - if (irt_isnum(kt)) { - emit_fab(as, PPCI_FCMPU, 0, tmpnum, key); - emit_condbranch(as, PPCI_BC, CC_GE, l_next); - emit_ab(as, PPCI_CMPLW, tmp1, tisnum); - emit_fai(as, PPCI_LFD, tmpnum, dest, (int32_t)offsetof(Node, key.n)); - } else { - if (!irt_ispri(kt)) { - emit_ab(as, PPCI_CMPW, tmp2, key); - emit_condbranch(as, PPCI_BC, CC_NE, l_next); - } - emit_ai(as, PPCI_CMPWI, tmp1, irt_toitype(irkey->t)); - if (!irt_ispri(kt)) - emit_tai(as, PPCI_LWZ, tmp2, dest, (int32_t)offsetof(Node, key.gcr)); - } - emit_tai(as, PPCI_LWZ, tmp1, dest, (int32_t)offsetof(Node, key.it)); - *l_loop = PPCI_BC | PPCF_Y | PPCF_CC(CC_NE) | - (((char *)as->mcp-(char *)l_loop) & 0xffffu); - - /* Load main position relative to tab->node into dest. */ - khash = irref_isk(refkey) ? ir_khash(irkey) : 1; - if (khash == 0) { - emit_tai(as, PPCI_LWZ, dest, tab, (int32_t)offsetof(GCtab, node)); - } else { - Reg tmphash = tmp1; - if (irref_isk(refkey)) - tmphash = ra_allock(as, khash, allow); - emit_tab(as, PPCI_ADD, dest, dest, tmp1); - emit_tai(as, PPCI_MULLI, tmp1, tmp1, sizeof(Node)); - emit_asb(as, PPCI_AND, tmp1, tmp2, tmphash); - emit_tai(as, PPCI_LWZ, dest, tab, (int32_t)offsetof(GCtab, node)); - emit_tai(as, PPCI_LWZ, tmp2, tab, (int32_t)offsetof(GCtab, hmask)); - if (irref_isk(refkey)) { - /* Nothing to do. */ - } else if (irt_isstr(kt)) { - emit_tai(as, PPCI_LWZ, tmp1, key, (int32_t)offsetof(GCstr, hash)); - } else { /* Must match with hash*() in lj_tab.c. */ - emit_tab(as, PPCI_SUBF, tmp1, tmp2, tmp1); - emit_rotlwi(as, tmp2, tmp2, HASH_ROT3); - emit_asb(as, PPCI_XOR, tmp1, tmp1, tmp2); - emit_rotlwi(as, tmp1, tmp1, (HASH_ROT2+HASH_ROT1)&31); - emit_tab(as, PPCI_SUBF, tmp2, dest, tmp2); - if (irt_isnum(kt)) { - int32_t ofs = ra_spill(as, irkey); - emit_asb(as, PPCI_XOR, tmp2, tmp2, tmp1); - emit_rotlwi(as, dest, tmp1, HASH_ROT1); - emit_tab(as, PPCI_ADD, tmp1, tmp1, tmp1); - emit_tai(as, PPCI_LWZ, tmp2, RID_SP, ofs+4); - emit_tai(as, PPCI_LWZ, tmp1, RID_SP, ofs); - } else { - emit_asb(as, PPCI_XOR, tmp2, key, tmp1); - emit_rotlwi(as, dest, tmp1, HASH_ROT1); - emit_tai(as, PPCI_ADDI, tmp1, tmp2, HASH_BIAS); - emit_tai(as, PPCI_ADDIS, tmp2, key, (HASH_BIAS + 32768)>>16); - } - } - } -} - -static void asm_hrefk(ASMState *as, IRIns *ir) -{ - IRIns *kslot = IR(ir->op2); - IRIns *irkey = IR(kslot->op1); - int32_t ofs = (int32_t)(kslot->op2 * sizeof(Node)); - int32_t kofs = ofs + (int32_t)offsetof(Node, key); - Reg dest = (ra_used(ir)||ofs > 65535) ? ra_dest(as, ir, RSET_GPR) : RID_NONE; - Reg node = ra_alloc1(as, ir->op1, RSET_GPR); - Reg key = RID_NONE, type = RID_TMP, idx = node; - RegSet allow = rset_exclude(RSET_GPR, node); - lua_assert(ofs % sizeof(Node) == 0); - if (ofs > 65535) { - idx = dest; - rset_clear(allow, dest); - kofs = (int32_t)offsetof(Node, key); - } else if (ra_hasreg(dest)) { - emit_tai(as, PPCI_ADDI, dest, node, ofs); - } - asm_guardcc(as, CC_NE); - if (!irt_ispri(irkey->t)) { - key = ra_scratch(as, allow); - rset_clear(allow, key); - } - rset_clear(allow, type); - if (irt_isnum(irkey->t)) { - emit_cmpi(as, key, (int32_t)ir_knum(irkey)->u32.lo); - asm_guardcc(as, CC_NE); - emit_cmpi(as, type, (int32_t)ir_knum(irkey)->u32.hi); - } else { - if (ra_hasreg(key)) { - emit_cmpi(as, key, irkey->i); /* May use RID_TMP, i.e. type. */ - asm_guardcc(as, CC_NE); - } - emit_ai(as, PPCI_CMPWI, type, irt_toitype(irkey->t)); - } - if (ra_hasreg(key)) emit_tai(as, PPCI_LWZ, key, idx, kofs+4); - emit_tai(as, PPCI_LWZ, type, idx, kofs); - if (ofs > 65535) { - emit_tai(as, PPCI_ADDIS, dest, dest, (ofs + 32768) >> 16); - emit_tai(as, PPCI_ADDI, dest, node, ofs); - } -} - -static void asm_newref(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_tab_newkey]; - IRRef args[3]; - args[0] = ASMREF_L; /* lua_State *L */ - args[1] = ir->op1; /* GCtab *t */ - args[2] = ASMREF_TMP1; /* cTValue *key */ - asm_setupresult(as, ir, ci); /* TValue * */ - asm_gencall(as, ci, args); - asm_tvptr(as, ra_releasetmp(as, ASMREF_TMP1), ir->op2); -} - -static void asm_uref(ASMState *as, IRIns *ir) -{ - /* NYI: Check that UREFO is still open and not aliasing a slot. */ - Reg dest = ra_dest(as, ir, RSET_GPR); - if (irref_isk(ir->op1)) { - GCfunc *fn = ir_kfunc(IR(ir->op1)); - MRef *v = &gcref(fn->l.uvptr[(ir->op2 >> 8)])->uv.v; - emit_lsptr(as, PPCI_LWZ, dest, v, RSET_GPR); - } else { - Reg uv = ra_scratch(as, RSET_GPR); - Reg func = ra_alloc1(as, ir->op1, RSET_GPR); - if (ir->o == IR_UREFC) { - asm_guardcc(as, CC_NE); - emit_ai(as, PPCI_CMPWI, RID_TMP, 1); - emit_tai(as, PPCI_ADDI, dest, uv, (int32_t)offsetof(GCupval, tv)); - emit_tai(as, PPCI_LBZ, RID_TMP, uv, (int32_t)offsetof(GCupval, closed)); - } else { - emit_tai(as, PPCI_LWZ, dest, uv, (int32_t)offsetof(GCupval, v)); - } - emit_tai(as, PPCI_LWZ, uv, func, - (int32_t)offsetof(GCfuncL, uvptr) + 4*(int32_t)(ir->op2 >> 8)); - } -} - -static void asm_fref(ASMState *as, IRIns *ir) -{ - UNUSED(as); UNUSED(ir); - lua_assert(!ra_used(ir)); -} - -static void asm_strref(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - IRRef ref = ir->op2, refk = ir->op1; - int32_t ofs = (int32_t)sizeof(GCstr); - Reg r; - if (irref_isk(ref)) { - IRRef tmp = refk; refk = ref; ref = tmp; - } else if (!irref_isk(refk)) { - Reg right, left = ra_alloc1(as, ir->op1, RSET_GPR); - IRIns *irr = IR(ir->op2); - if (ra_hasreg(irr->r)) { - ra_noweak(as, irr->r); - right = irr->r; - } else if (mayfuse(as, irr->op2) && - irr->o == IR_ADD && irref_isk(irr->op2) && - checki16(ofs + IR(irr->op2)->i)) { - ofs += IR(irr->op2)->i; - right = ra_alloc1(as, irr->op1, rset_exclude(RSET_GPR, left)); - } else { - right = ra_allocref(as, ir->op2, rset_exclude(RSET_GPR, left)); - } - emit_tai(as, PPCI_ADDI, dest, dest, ofs); - emit_tab(as, PPCI_ADD, dest, left, right); - return; - } - r = ra_alloc1(as, ref, RSET_GPR); - ofs += IR(refk)->i; - if (checki16(ofs)) - emit_tai(as, PPCI_ADDI, dest, r, ofs); - else - emit_tab(as, PPCI_ADD, dest, r, - ra_allock(as, ofs, rset_exclude(RSET_GPR, r))); -} - -/* -- Loads and stores ---------------------------------------------------- */ - -static PPCIns asm_fxloadins(IRIns *ir) -{ - switch (irt_type(ir->t)) { - case IRT_I8: return PPCI_LBZ; /* Needs sign-extension. */ - case IRT_U8: return PPCI_LBZ; - case IRT_I16: return PPCI_LHA; - case IRT_U16: return PPCI_LHZ; - case IRT_NUM: return PPCI_LFD; - case IRT_FLOAT: return PPCI_LFS; - default: return PPCI_LWZ; - } -} - -static PPCIns asm_fxstoreins(IRIns *ir) -{ - switch (irt_type(ir->t)) { - case IRT_I8: case IRT_U8: return PPCI_STB; - case IRT_I16: case IRT_U16: return PPCI_STH; - case IRT_NUM: return PPCI_STFD; - case IRT_FLOAT: return PPCI_STFS; - default: return PPCI_STW; - } -} - -static void asm_fload(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg idx = ra_alloc1(as, ir->op1, RSET_GPR); - PPCIns pi = asm_fxloadins(ir); - int32_t ofs; - if (ir->op2 == IRFL_TAB_ARRAY) { - ofs = asm_fuseabase(as, ir->op1); - if (ofs) { /* Turn the t->array load into an add for colocated arrays. */ - emit_tai(as, PPCI_ADDI, dest, idx, ofs); - return; - } - } - ofs = field_ofs[ir->op2]; - lua_assert(!irt_isi8(ir->t)); - emit_tai(as, pi, dest, idx, ofs); -} - -static void asm_fstore(ASMState *as, IRIns *ir) -{ - Reg src = ra_alloc1(as, ir->op2, RSET_GPR); - IRIns *irf = IR(ir->op1); - Reg idx = ra_alloc1(as, irf->op1, rset_exclude(RSET_GPR, src)); - int32_t ofs = field_ofs[irf->op2]; - PPCIns pi = asm_fxstoreins(ir); - emit_tai(as, pi, src, idx, ofs); -} - -static void asm_xload(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, irt_isfp(ir->t) ? RSET_FPR : RSET_GPR); - lua_assert(!(ir->op2 & IRXLOAD_UNALIGNED)); - if (irt_isi8(ir->t)) - emit_as(as, PPCI_EXTSB, dest, dest); - asm_fusexref(as, asm_fxloadins(ir), dest, ir->op1, RSET_GPR); -} - -static void asm_xstore(ASMState *as, IRIns *ir) -{ - IRIns *irb; - if (mayfuse(as, ir->op2) && (irb = IR(ir->op2))->o == IR_BSWAP && - ra_noreg(irb->r) && (irt_isint(ir->t) || irt_isu32(ir->t))) { - /* Fuse BSWAP with XSTORE to stwbrx. */ - Reg src = ra_alloc1(as, irb->op1, RSET_GPR); - asm_fusexrefx(as, PPCI_STWBRX, src, ir->op1, rset_exclude(RSET_GPR, src)); - } else { - Reg src = ra_alloc1(as, ir->op2, irt_isfp(ir->t) ? RSET_FPR : RSET_GPR); - asm_fusexref(as, asm_fxstoreins(ir), src, ir->op1, - rset_exclude(RSET_GPR, src)); - } -} - -static void asm_ahuvload(ASMState *as, IRIns *ir) -{ - IRType1 t = ir->t; - Reg dest = RID_NONE, type = RID_TMP, tmp = RID_TMP, idx; - RegSet allow = RSET_GPR; - int32_t ofs = AHUREF_LSX; - if (ra_used(ir)) { - lua_assert(irt_isnum(t) || irt_isint(t) || irt_isaddr(t)); - if (!irt_isnum(t)) ofs = 0; - dest = ra_dest(as, ir, irt_isnum(t) ? RSET_FPR : RSET_GPR); - rset_clear(allow, dest); - } - idx = asm_fuseahuref(as, ir->op1, &ofs, allow); - if (irt_isnum(t)) { - Reg tisnum = ra_allock(as, (int32_t)LJ_TISNUM, rset_exclude(allow, idx)); - asm_guardcc(as, CC_GE); - emit_ab(as, PPCI_CMPLW, type, tisnum); - if (ra_hasreg(dest)) { - if (ofs == AHUREF_LSX) { - tmp = ra_scratch(as, rset_exclude(rset_exclude(RSET_GPR, - (idx&255)), (idx>>8))); - emit_fab(as, PPCI_LFDX, dest, (idx&255), tmp); - } else { - emit_fai(as, PPCI_LFD, dest, idx, ofs); - } - } - } else { - asm_guardcc(as, CC_NE); - emit_ai(as, PPCI_CMPWI, type, irt_toitype(t)); - if (ra_hasreg(dest)) emit_tai(as, PPCI_LWZ, dest, idx, ofs+4); - } - if (ofs == AHUREF_LSX) { - emit_tab(as, PPCI_LWZX, type, (idx&255), tmp); - emit_slwi(as, tmp, (idx>>8), 3); - } else { - emit_tai(as, PPCI_LWZ, type, idx, ofs); - } -} - -static void asm_ahustore(ASMState *as, IRIns *ir) -{ - RegSet allow = RSET_GPR; - Reg idx, src = RID_NONE, type = RID_NONE; - int32_t ofs = AHUREF_LSX; - if (irt_isnum(ir->t)) { - src = ra_alloc1(as, ir->op2, RSET_FPR); - } else { - if (!irt_ispri(ir->t)) { - src = ra_alloc1(as, ir->op2, allow); - rset_clear(allow, src); - ofs = 0; - } - type = ra_allock(as, (int32_t)irt_toitype(ir->t), allow); - rset_clear(allow, type); - } - idx = asm_fuseahuref(as, ir->op1, &ofs, allow); - if (irt_isnum(ir->t)) { - if (ofs == AHUREF_LSX) { - emit_fab(as, PPCI_STFDX, src, (idx&255), RID_TMP); - emit_slwi(as, RID_TMP, (idx>>8), 3); - } else { - emit_fai(as, PPCI_STFD, src, idx, ofs); - } - } else { - if (ra_hasreg(src)) - emit_tai(as, PPCI_STW, src, idx, ofs+4); - if (ofs == AHUREF_LSX) { - emit_tab(as, PPCI_STWX, type, (idx&255), RID_TMP); - emit_slwi(as, RID_TMP, (idx>>8), 3); - } else { - emit_tai(as, PPCI_STW, type, idx, ofs); - } - } -} - -static void asm_sload(ASMState *as, IRIns *ir) -{ - int32_t ofs = 8*((int32_t)ir->op1-1) + ((ir->op2 & IRSLOAD_FRAME) ? 0 : 4); - IRType1 t = ir->t; - Reg dest = RID_NONE, type = RID_NONE, base; - RegSet allow = RSET_GPR; - lua_assert(!(ir->op2 & IRSLOAD_PARENT)); /* Handled by asm_head_side(). */ - lua_assert(irt_isguard(t) || !(ir->op2 & IRSLOAD_TYPECHECK)); - lua_assert(LJ_DUALNUM || - !irt_isint(t) || (ir->op2 & (IRSLOAD_CONVERT|IRSLOAD_FRAME))); - if ((ir->op2 & IRSLOAD_CONVERT) && irt_isguard(t) && irt_isint(t)) { - dest = ra_scratch(as, RSET_FPR); - asm_tointg(as, ir, dest); - t.irt = IRT_NUM; /* Continue with a regular number type check. */ - } else if (ra_used(ir)) { - lua_assert(irt_isnum(t) || irt_isint(t) || irt_isaddr(t)); - dest = ra_dest(as, ir, irt_isnum(t) ? RSET_FPR : RSET_GPR); - rset_clear(allow, dest); - base = ra_alloc1(as, REF_BASE, allow); - rset_clear(allow, base); - if ((ir->op2 & IRSLOAD_CONVERT)) { - if (irt_isint(t)) { - emit_tai(as, PPCI_LWZ, dest, RID_SP, SPOFS_TMPLO); - dest = ra_scratch(as, RSET_FPR); - emit_fai(as, PPCI_STFD, dest, RID_SP, SPOFS_TMP); - emit_fb(as, PPCI_FCTIWZ, dest, dest); - t.irt = IRT_NUM; /* Check for original type. */ - } else { - Reg tmp = ra_scratch(as, allow); - Reg hibias = ra_allock(as, 0x43300000, rset_clear(allow, tmp)); - Reg fbias = ra_scratch(as, rset_exclude(RSET_FPR, dest)); - emit_fab(as, PPCI_FSUB, dest, dest, fbias); - emit_fai(as, PPCI_LFD, dest, RID_SP, SPOFS_TMP); - emit_lsptr(as, PPCI_LFS, (fbias & 31), - (void *)lj_ir_k64_find(as->J, U64x(59800004,59800000)), - rset_clear(allow, hibias)); - emit_tai(as, PPCI_STW, tmp, RID_SP, SPOFS_TMPLO); - emit_tai(as, PPCI_STW, hibias, RID_SP, SPOFS_TMPHI); - emit_asi(as, PPCI_XORIS, tmp, tmp, 0x8000); - dest = tmp; - t.irt = IRT_INT; /* Check for original type. */ - } - } - goto dotypecheck; - } - base = ra_alloc1(as, REF_BASE, allow); - rset_clear(allow, base); -dotypecheck: - if (irt_isnum(t)) { - if ((ir->op2 & IRSLOAD_TYPECHECK)) { - Reg tisnum = ra_allock(as, (int32_t)LJ_TISNUM, allow); - asm_guardcc(as, CC_GE); - emit_ab(as, PPCI_CMPLW, RID_TMP, tisnum); - type = RID_TMP; - } - if (ra_hasreg(dest)) emit_fai(as, PPCI_LFD, dest, base, ofs-4); - } else { - if ((ir->op2 & IRSLOAD_TYPECHECK)) { - asm_guardcc(as, CC_NE); - emit_ai(as, PPCI_CMPWI, RID_TMP, irt_toitype(t)); - type = RID_TMP; - } - if (ra_hasreg(dest)) emit_tai(as, PPCI_LWZ, dest, base, ofs); - } - if (ra_hasreg(type)) emit_tai(as, PPCI_LWZ, type, base, ofs-4); -} - -/* -- Allocations --------------------------------------------------------- */ - -#if LJ_HASFFI -static void asm_cnew(ASMState *as, IRIns *ir) -{ - CTState *cts = ctype_ctsG(J2G(as->J)); - CTypeID typeid = (CTypeID)IR(ir->op1)->i; - CTSize sz = (ir->o == IR_CNEWI || ir->op2 == REF_NIL) ? - lj_ctype_size(cts, typeid) : (CTSize)IR(ir->op2)->i; - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_mem_newgco]; - IRRef args[2]; - RegSet allow = (RSET_GPR & ~RSET_SCRATCH); - RegSet drop = RSET_SCRATCH; - lua_assert(sz != CTSIZE_INVALID); - - args[0] = ASMREF_L; /* lua_State *L */ - args[1] = ASMREF_TMP1; /* MSize size */ - as->gcsteps++; - - if (ra_hasreg(ir->r)) - rset_clear(drop, ir->r); /* Dest reg handled below. */ - ra_evictset(as, drop); - if (ra_used(ir)) - ra_destreg(as, ir, RID_RET); /* GCcdata * */ - - /* Initialize immutable cdata object. */ - if (ir->o == IR_CNEWI) { - int32_t ofs = sizeof(GCcdata); - lua_assert(sz == 4 || sz == 8); - if (sz == 8) { - ofs += 4; - lua_assert((ir+1)->o == IR_HIOP); - } - for (;;) { - Reg r = ra_alloc1(as, ir->op2, allow); - emit_tai(as, PPCI_STW, r, RID_RET, ofs); - rset_clear(allow, r); - if (ofs == sizeof(GCcdata)) break; - ofs -= 4; ir++; - } - } - /* Initialize gct and typeid. lj_mem_newgco() already sets marked. */ - emit_tai(as, PPCI_STB, RID_RET+1, RID_RET, offsetof(GCcdata, gct)); - emit_tai(as, PPCI_STH, RID_TMP, RID_RET, offsetof(GCcdata, typeid)); - emit_ti(as, PPCI_LI, RID_RET+1, ~LJ_TCDATA); - emit_ti(as, PPCI_LI, RID_TMP, typeid); /* Lower 16 bit used. Sign-ext ok. */ - asm_gencall(as, ci, args); - ra_allockreg(as, (int32_t)(sz+sizeof(GCcdata)), - ra_releasetmp(as, ASMREF_TMP1)); -} -#else -#define asm_cnew(as, ir) ((void)0) -#endif - -/* -- Write barriers ------------------------------------------------------ */ - -static void asm_tbar(ASMState *as, IRIns *ir) -{ - Reg tab = ra_alloc1(as, ir->op1, RSET_GPR); - Reg mark = ra_scratch(as, rset_exclude(RSET_GPR, tab)); - Reg link = RID_TMP; - MCLabel l_end = emit_label(as); - emit_tai(as, PPCI_STW, link, tab, (int32_t)offsetof(GCtab, gclist)); - emit_tai(as, PPCI_STB, mark, tab, (int32_t)offsetof(GCtab, marked)); - emit_setgl(as, tab, gc.grayagain); - lua_assert(LJ_GC_BLACK == 0x04); - emit_rot(as, PPCI_RLWINM, mark, mark, 0, 30, 28); /* Clear black bit. */ - emit_getgl(as, link, gc.grayagain); - emit_condbranch(as, PPCI_BC|PPCF_Y, CC_EQ, l_end); - emit_asi(as, PPCI_ANDIDOT, RID_TMP, mark, LJ_GC_BLACK); - emit_tai(as, PPCI_LBZ, mark, tab, (int32_t)offsetof(GCtab, marked)); -} - -static void asm_obar(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_gc_barrieruv]; - IRRef args[2]; - MCLabel l_end; - Reg obj, val, tmp; - /* No need for other object barriers (yet). */ - lua_assert(IR(ir->op1)->o == IR_UREFC); - ra_evictset(as, RSET_SCRATCH); - l_end = emit_label(as); - args[0] = ASMREF_TMP1; /* global_State *g */ - args[1] = ir->op1; /* TValue *tv */ - asm_gencall(as, ci, args); - emit_tai(as, PPCI_ADDI, ra_releasetmp(as, ASMREF_TMP1), RID_JGL, -32768); - obj = IR(ir->op1)->r; - tmp = ra_scratch(as, rset_exclude(RSET_GPR, obj)); - emit_condbranch(as, PPCI_BC|PPCF_Y, CC_EQ, l_end); - emit_asi(as, PPCI_ANDIDOT, tmp, tmp, LJ_GC_BLACK); - emit_condbranch(as, PPCI_BC, CC_EQ, l_end); - emit_asi(as, PPCI_ANDIDOT, RID_TMP, RID_TMP, LJ_GC_WHITES); - val = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, obj)); - emit_tai(as, PPCI_LBZ, tmp, obj, - (int32_t)offsetof(GCupval, marked)-(int32_t)offsetof(GCupval, tv)); - emit_tai(as, PPCI_LBZ, RID_TMP, val, (int32_t)offsetof(GChead, marked)); -} - -/* -- Arithmetic and logic operations ------------------------------------- */ - -static void asm_fparith(ASMState *as, IRIns *ir, PPCIns pi) -{ - Reg dest = ra_dest(as, ir, RSET_FPR); - Reg right, left = ra_alloc2(as, ir, RSET_FPR); - right = (left >> 8); left &= 255; - if (pi == PPCI_FMUL) - emit_fac(as, pi, dest, left, right); - else - emit_fab(as, pi, dest, left, right); -} - -static void asm_fpunary(ASMState *as, IRIns *ir, PPCIns pi) -{ - Reg dest = ra_dest(as, ir, RSET_FPR); - Reg left = ra_hintalloc(as, ir->op1, dest, RSET_FPR); - emit_fb(as, pi, dest, left); -} - -static int asm_fpjoin_pow(ASMState *as, IRIns *ir) -{ - IRIns *irp = IR(ir->op1); - if (irp == ir-1 && irp->o == IR_MUL && !ra_used(irp)) { - IRIns *irpp = IR(irp->op1); - if (irpp == ir-2 && irpp->o == IR_FPMATH && - irpp->op2 == IRFPM_LOG2 && !ra_used(irpp)) { - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_pow]; - IRRef args[2]; - args[0] = irpp->op1; - args[1] = irp->op2; - asm_setupresult(as, ir, ci); - asm_gencall(as, ci, args); - return 1; - } - } - return 0; -} - -static void asm_add(ASMState *as, IRIns *ir) -{ - if (irt_isnum(ir->t)) { - if (!asm_fusemadd(as, ir, PPCI_FMADD, PPCI_FMADD)) - asm_fparith(as, ir, PPCI_FADD); - } else { - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg right, left = ra_hintalloc(as, ir->op1, dest, RSET_GPR); - PPCIns pi; - if (irref_isk(ir->op2)) { - int32_t k = IR(ir->op2)->i; - if (checki16(k)) { - pi = PPCI_ADDI; - /* May fail due to spills/restores above, but simplifies the logic. */ - if (as->flagmcp == as->mcp) { - as->flagmcp = NULL; - as->mcp++; - pi = PPCI_ADDICDOT; - } - emit_tai(as, pi, dest, left, k); - return; - } else if ((k & 0xffff) == 0) { - emit_tai(as, PPCI_ADDIS, dest, left, (k >> 16)); - return; - } else if (!as->sectref) { - emit_tai(as, PPCI_ADDIS, dest, dest, (k + 32768) >> 16); - emit_tai(as, PPCI_ADDI, dest, left, k); - return; - } - } - pi = PPCI_ADD; - /* May fail due to spills/restores above, but simplifies the logic. */ - if (as->flagmcp == as->mcp) { - as->flagmcp = NULL; - as->mcp++; - pi |= PPCF_DOT; - } - right = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, left)); - emit_tab(as, pi, dest, left, right); - } -} - -static void asm_sub(ASMState *as, IRIns *ir) -{ - if (irt_isnum(ir->t)) { - if (!asm_fusemadd(as, ir, PPCI_FMSUB, PPCI_FNMSUB)) - asm_fparith(as, ir, PPCI_FSUB); - } else { - PPCIns pi = PPCI_SUBF; - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg left, right; - if (irref_isk(ir->op1)) { - int32_t k = IR(ir->op1)->i; - if (checki16(k)) { - right = ra_alloc1(as, ir->op2, RSET_GPR); - emit_tai(as, PPCI_SUBFIC, dest, right, k); - return; - } - } - /* May fail due to spills/restores above, but simplifies the logic. */ - if (as->flagmcp == as->mcp) { - as->flagmcp = NULL; - as->mcp++; - pi |= PPCF_DOT; - } - left = ra_hintalloc(as, ir->op1, dest, RSET_GPR); - right = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, left)); - emit_tab(as, pi, dest, right, left); /* Subtract right _from_ left. */ - } -} - -static void asm_mul(ASMState *as, IRIns *ir) -{ - if (irt_isnum(ir->t)) { - asm_fparith(as, ir, PPCI_FMUL); - } else { - PPCIns pi = PPCI_MULLW; - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg right, left = ra_hintalloc(as, ir->op1, dest, RSET_GPR); - if (irref_isk(ir->op2)) { - int32_t k = IR(ir->op2)->i; - if (checki16(k)) { - emit_tai(as, PPCI_MULLI, dest, left, k); - return; - } - } - /* May fail due to spills/restores above, but simplifies the logic. */ - if (as->flagmcp == as->mcp) { - as->flagmcp = NULL; - as->mcp++; - pi |= PPCF_DOT; - } - right = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, left)); - emit_tab(as, pi, dest, left, right); - } -} - -static void asm_neg(ASMState *as, IRIns *ir) -{ - if (irt_isnum(ir->t)) { - asm_fpunary(as, ir, PPCI_FNEG); - } else { - Reg dest, left; - PPCIns pi = PPCI_NEG; - if (as->flagmcp == as->mcp) { - as->flagmcp = NULL; - as->mcp++; - pi |= PPCF_DOT; - } - dest = ra_dest(as, ir, RSET_GPR); - left = ra_hintalloc(as, ir->op1, dest, RSET_GPR); - emit_tab(as, pi, dest, left, 0); - } -} - -static void asm_arithov(ASMState *as, IRIns *ir, PPCIns pi) -{ - Reg dest, left, right; - if (as->flagmcp == as->mcp) { - as->flagmcp = NULL; - as->mcp++; - } - asm_guardcc(as, CC_SO); - dest = ra_dest(as, ir, RSET_GPR); - left = ra_alloc2(as, ir, RSET_GPR); - right = (left >> 8); left &= 255; - if (pi == PPCI_SUBFO) { Reg tmp = left; left = right; right = tmp; } - emit_tab(as, pi|PPCF_DOT, dest, left, right); -} - -#if LJ_HASFFI -static void asm_add64(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg right, left = ra_alloc1(as, ir->op1, RSET_GPR); - PPCIns pi = PPCI_ADDE; - if (irref_isk(ir->op2)) { - int32_t k = IR(ir->op2)->i; - if (k == 0) - pi = PPCI_ADDZE; - else if (k == -1) - pi = PPCI_ADDME; - else - goto needright; - right = 0; - } else { - needright: - right = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, left)); - } - emit_tab(as, pi, dest, left, right); - ir--; - dest = ra_dest(as, ir, RSET_GPR); - left = ra_alloc1(as, ir->op1, RSET_GPR); - if (irref_isk(ir->op2)) { - int32_t k = IR(ir->op2)->i; - if (checki16(k)) { - emit_tai(as, PPCI_ADDIC, dest, left, k); - return; - } - } - right = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, left)); - emit_tab(as, PPCI_ADDC, dest, left, right); -} - -static void asm_sub64(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg left, right = ra_alloc1(as, ir->op2, RSET_GPR); - PPCIns pi = PPCI_SUBFE; - if (irref_isk(ir->op1)) { - int32_t k = IR(ir->op1)->i; - if (k == 0) - pi = PPCI_SUBFZE; - else if (k == -1) - pi = PPCI_SUBFME; - else - goto needleft; - left = 0; - } else { - needleft: - left = ra_alloc1(as, ir->op1, rset_exclude(RSET_GPR, right)); - } - emit_tab(as, pi, dest, right, left); /* Subtract right _from_ left. */ - ir--; - dest = ra_dest(as, ir, RSET_GPR); - right = ra_alloc1(as, ir->op2, RSET_GPR); - if (irref_isk(ir->op1)) { - int32_t k = IR(ir->op1)->i; - if (checki16(k)) { - emit_tai(as, PPCI_SUBFIC, dest, right, k); - return; - } - } - left = ra_alloc1(as, ir->op1, rset_exclude(RSET_GPR, right)); - emit_tab(as, PPCI_SUBFC, dest, right, left); -} - -static void asm_neg64(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg left = ra_alloc1(as, ir->op1, RSET_GPR); - emit_tab(as, PPCI_SUBFZE, dest, left, 0); - ir--; - dest = ra_dest(as, ir, RSET_GPR); - left = ra_alloc1(as, ir->op1, RSET_GPR); - emit_tai(as, PPCI_SUBFIC, dest, left, 0); -} -#endif - -static void asm_bitnot(ASMState *as, IRIns *ir) -{ - Reg dest, left, right; - PPCIns pi = PPCI_NOR; - if (as->flagmcp == as->mcp) { - as->flagmcp = NULL; - as->mcp++; - pi |= PPCF_DOT; - } - dest = ra_dest(as, ir, RSET_GPR); - if (mayfuse(as, ir->op1)) { - IRIns *irl = IR(ir->op1); - if (irl->o == IR_BAND) - pi ^= (PPCI_NOR ^ PPCI_NAND); - else if (irl->o == IR_BXOR) - pi ^= (PPCI_NOR ^ PPCI_EQV); - else if (irl->o != IR_BOR) - goto nofuse; - left = ra_hintalloc(as, irl->op1, dest, RSET_GPR); - right = ra_alloc1(as, irl->op2, rset_exclude(RSET_GPR, left)); - } else { -nofuse: - left = right = ra_hintalloc(as, ir->op1, dest, RSET_GPR); - } - emit_asb(as, pi, dest, left, right); -} - -static void asm_bitswap(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - IRIns *irx; - if (mayfuse(as, ir->op1) && (irx = IR(ir->op1))->o == IR_XLOAD && - ra_noreg(irx->r) && (irt_isint(irx->t) || irt_isu32(irx->t))) { - /* Fuse BSWAP with XLOAD to lwbrx. */ - asm_fusexrefx(as, PPCI_LWBRX, dest, irx->op1, RSET_GPR); - } else { - Reg left = ra_alloc1(as, ir->op1, RSET_GPR); - Reg tmp = dest; - if (tmp == left) { - tmp = RID_TMP; - emit_mr(as, dest, RID_TMP); - } - emit_rot(as, PPCI_RLWIMI, tmp, left, 24, 16, 23); - emit_rot(as, PPCI_RLWIMI, tmp, left, 24, 0, 7); - emit_rotlwi(as, tmp, left, 8); - } -} - -static void asm_bitop(ASMState *as, IRIns *ir, PPCIns pi, PPCIns pik) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg right, left = ra_hintalloc(as, ir->op1, dest, RSET_GPR); - if (irref_isk(ir->op2)) { - int32_t k = IR(ir->op2)->i; - Reg tmp = left; - if ((checku16(k) || (k & 0xffff) == 0) || (tmp = dest, !as->sectref)) { - if (!checku16(k)) { - emit_asi(as, pik ^ (PPCI_ORI ^ PPCI_ORIS), dest, tmp, (k >> 16)); - if ((k & 0xffff) == 0) return; - } - emit_asi(as, pik, dest, left, k); - return; - } - } - /* May fail due to spills/restores above, but simplifies the logic. */ - if (as->flagmcp == as->mcp) { - as->flagmcp = NULL; - as->mcp++; - pi |= PPCF_DOT; - } - right = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, left)); - emit_asb(as, pi, dest, left, right); -} - -/* Fuse BAND with contiguous bitmask and a shift to rlwinm. */ -static void asm_fuseandsh(ASMState *as, PPCIns pi, int32_t mask, IRRef ref) -{ - IRIns *ir; - Reg left; - if (mayfuse(as, ref) && (ir = IR(ref), ra_noreg(ir->r)) && - irref_isk(ir->op2) && ir->o >= IR_BSHL && ir->o <= IR_BROR) { - int32_t sh = (IR(ir->op2)->i & 31); - switch (ir->o) { - case IR_BSHL: - if ((mask & ((1u<>sh))) goto nofuse; - sh = ((32-sh)&31); - break; - case IR_BROL: - break; - default: - goto nofuse; - } - left = ra_alloc1(as, ir->op1, RSET_GPR); - *--as->mcp = pi | PPCF_T(left) | PPCF_B(sh); - return; - } -nofuse: - left = ra_alloc1(as, ref, RSET_GPR); - *--as->mcp = pi | PPCF_T(left); -} - -static void asm_bitand(ASMState *as, IRIns *ir) -{ - Reg dest, left, right; - IRRef lref = ir->op1; - PPCIns dot = 0; - IRRef op2; - if (as->flagmcp == as->mcp) { - as->flagmcp = NULL; - as->mcp++; - dot = PPCF_DOT; - } - dest = ra_dest(as, ir, RSET_GPR); - if (irref_isk(ir->op2)) { - int32_t k = IR(ir->op2)->i; - if (k) { - /* First check for a contiguous bitmask as used by rlwinm. */ - uint32_t s1 = lj_ffs((uint32_t)k); - uint32_t k1 = ((uint32_t)k >> s1); - if ((k1 & (k1+1)) == 0) { - asm_fuseandsh(as, PPCI_RLWINM|dot | PPCF_A(dest) | - PPCF_MB(31-lj_fls((uint32_t)k)) | PPCF_ME(31-s1), - k, lref); - return; - } - if (~(uint32_t)k) { - uint32_t s2 = lj_ffs(~(uint32_t)k); - uint32_t k2 = (~(uint32_t)k >> s2); - if ((k2 & (k2+1)) == 0) { - asm_fuseandsh(as, PPCI_RLWINM|dot | PPCF_A(dest) | - PPCF_MB(32-s2) | PPCF_ME(30-lj_fls(~(uint32_t)k)), - k, lref); - return; - } - } - } - if (checku16(k)) { - left = ra_alloc1(as, lref, RSET_GPR); - emit_asi(as, PPCI_ANDIDOT, dest, left, k); - return; - } else if ((k & 0xffff) == 0) { - left = ra_alloc1(as, lref, RSET_GPR); - emit_asi(as, PPCI_ANDISDOT, dest, left, (k >> 16)); - return; - } - } - op2 = ir->op2; - if (mayfuse(as, op2) && IR(op2)->o == IR_BNOT && ra_noreg(IR(op2)->r)) { - dot ^= (PPCI_AND ^ PPCI_ANDC); - op2 = IR(op2)->op1; - } - left = ra_hintalloc(as, lref, dest, RSET_GPR); - right = ra_alloc1(as, op2, rset_exclude(RSET_GPR, left)); - emit_asb(as, PPCI_AND ^ dot, dest, left, right); -} - -static void asm_bitshift(ASMState *as, IRIns *ir, PPCIns pi, PPCIns pik) -{ - Reg dest, left; - Reg dot = 0; - if (as->flagmcp == as->mcp) { - as->flagmcp = NULL; - as->mcp++; - dot = PPCF_DOT; - } - dest = ra_dest(as, ir, RSET_GPR); - left = ra_alloc1(as, ir->op1, RSET_GPR); - if (irref_isk(ir->op2)) { /* Constant shifts. */ - int32_t shift = (IR(ir->op2)->i & 31); - if (pik == 0) /* SLWI */ - emit_rot(as, PPCI_RLWINM|dot, dest, left, shift, 0, 31-shift); - else if (pik == 1) /* SRWI */ - emit_rot(as, PPCI_RLWINM|dot, dest, left, (32-shift)&31, shift, 31); - else - emit_asb(as, pik|dot, dest, left, shift); - } else { - Reg right = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, left)); - emit_asb(as, pi|dot, dest, left, right); - } -} - -static void asm_min_max(ASMState *as, IRIns *ir, int ismax) -{ - if (irt_isnum(ir->t)) { - Reg dest = ra_dest(as, ir, RSET_FPR); - Reg tmp = dest; - Reg right, left = ra_alloc2(as, ir, RSET_FPR); - right = (left >> 8); left &= 255; - if (tmp == left || tmp == right) - tmp = ra_scratch(as, rset_exclude(rset_exclude(rset_exclude(RSET_FPR, - dest), left), right)); - emit_facb(as, PPCI_FSEL, dest, tmp, - ismax ? left : right, ismax ? right : left); - emit_fab(as, PPCI_FSUB, tmp, left, right); - } else { - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg tmp1 = RID_TMP, tmp2 = dest; - Reg right, left = ra_alloc2(as, ir, RSET_GPR); - right = (left >> 8); left &= 255; - if (tmp2 == left || tmp2 == right) - tmp2 = ra_scratch(as, rset_exclude(rset_exclude(rset_exclude(RSET_GPR, - dest), left), right)); - emit_tab(as, PPCI_ADD, dest, tmp2, right); - emit_asb(as, ismax ? PPCI_ANDC : PPCI_AND, tmp2, tmp2, tmp1); - emit_tab(as, PPCI_SUBFE, tmp1, tmp1, tmp1); - emit_tab(as, PPCI_SUBFC, tmp2, tmp2, tmp1); - emit_asi(as, PPCI_XORIS, tmp2, right, 0x8000); - emit_asi(as, PPCI_XORIS, tmp1, left, 0x8000); - } -} - -/* -- Comparisons --------------------------------------------------------- */ - -#define CC_UNSIGNED 0x08 /* Unsigned integer comparison. */ -#define CC_TWO 0x80 /* Check two flags for FP comparison. */ - -/* Map of comparisons to flags. ORDER IR. */ -static const uint8_t asm_compmap[IR_ABC+1] = { - /* op int cc FP cc */ - /* LT */ CC_GE + (CC_GE<<4), - /* GE */ CC_LT + (CC_LE<<4) + CC_TWO, - /* LE */ CC_GT + (CC_GE<<4) + CC_TWO, - /* GT */ CC_LE + (CC_LE<<4), - /* ULT */ CC_GE + CC_UNSIGNED + (CC_GT<<4) + CC_TWO, - /* UGE */ CC_LT + CC_UNSIGNED + (CC_LT<<4), - /* ULE */ CC_GT + CC_UNSIGNED + (CC_GT<<4), - /* UGT */ CC_LE + CC_UNSIGNED + (CC_LT<<4) + CC_TWO, - /* EQ */ CC_NE + (CC_NE<<4), - /* NE */ CC_EQ + (CC_EQ<<4), - /* ABC */ CC_LE + CC_UNSIGNED + (CC_LT<<4) + CC_TWO /* Same as UGT. */ -}; - -static void asm_intcomp_(ASMState *as, IRRef lref, IRRef rref, Reg cr, PPCCC cc) -{ - Reg right, left = ra_alloc1(as, lref, RSET_GPR); - if (irref_isk(rref)) { - int32_t k = IR(rref)->i; - if ((cc & CC_UNSIGNED) == 0) { /* Signed comparison with constant. */ - if (checki16(k)) { - emit_tai(as, PPCI_CMPWI, cr, left, k); - /* Signed comparison with zero and referencing previous ins? */ - if (k == 0 && lref == as->curins-1) - as->flagmcp = as->mcp; /* Allow elimination of the compare. */ - return; - } else if ((cc & 3) == (CC_EQ & 3)) { /* Use CMPLWI for EQ or NE. */ - if (checku16(k)) { - emit_tai(as, PPCI_CMPLWI, cr, left, k); - return; - } else if (!as->sectref && ra_noreg(IR(rref)->r)) { - emit_tai(as, PPCI_CMPLWI, cr, RID_TMP, k); - emit_asi(as, PPCI_XORIS, RID_TMP, left, (k >> 16)); - return; - } - } - } else { /* Unsigned comparison with constant. */ - if (checku16(k)) { - emit_tai(as, PPCI_CMPLWI, cr, left, k); - return; - } - } - } - right = ra_alloc1(as, rref, rset_exclude(RSET_GPR, left)); - emit_tab(as, (cc & CC_UNSIGNED) ? PPCI_CMPLW : PPCI_CMPW, cr, left, right); -} - -static void asm_comp(ASMState *as, IRIns *ir) -{ - PPCCC cc = asm_compmap[ir->o]; - if (irt_isnum(ir->t)) { - Reg right, left = ra_alloc2(as, ir, RSET_FPR); - right = (left >> 8); left &= 255; - asm_guardcc(as, (cc >> 4)); - if ((cc & CC_TWO)) - emit_tab(as, PPCI_CROR, ((cc>>4)&3), ((cc>>4)&3), (CC_EQ&3)); - emit_fab(as, PPCI_FCMPU, 0, left, right); - } else { - IRRef lref = ir->op1, rref = ir->op2; - if (irref_isk(lref) && !irref_isk(rref)) { - /* Swap constants to the right (only for ABC). */ - IRRef tmp = lref; lref = rref; rref = tmp; - if ((cc & 2) == 0) cc ^= 1; /* LT <-> GT, LE <-> GE */ - } - asm_guardcc(as, cc); - asm_intcomp_(as, lref, rref, 0, cc); - } -} - -#if LJ_HASFFI -/* 64 bit integer comparisons. */ -static void asm_comp64(ASMState *as, IRIns *ir) -{ - PPCCC cc = asm_compmap[(ir-1)->o]; - if ((cc&3) == (CC_EQ&3)) { - asm_guardcc(as, cc); - emit_tab(as, (cc&4) ? PPCI_CRAND : PPCI_CROR, - (CC_EQ&3), (CC_EQ&3), 4+(CC_EQ&3)); - } else { - asm_guardcc(as, CC_EQ); - emit_tab(as, PPCI_CROR, (CC_EQ&3), (CC_EQ&3), ((cc^~(cc>>2))&1)); - emit_tab(as, (cc&4) ? PPCI_CRAND : PPCI_CRANDC, - (CC_EQ&3), (CC_EQ&3), 4+(cc&3)); - } - /* Loword comparison sets cr1 and is unsigned, except for equality. */ - asm_intcomp_(as, (ir-1)->op1, (ir-1)->op2, 4, - cc | ((cc&3) == (CC_EQ&3) ? 0 : CC_UNSIGNED)); - /* Hiword comparison sets cr0. */ - asm_intcomp_(as, ir->op1, ir->op2, 0, cc); - as->flagmcp = NULL; /* Doesn't work here. */ -} -#endif - -/* -- Support for 64 bit ops in 32 bit mode ------------------------------- */ - -/* Hiword op of a split 64 bit op. Previous op must be the loword op. */ -static void asm_hiop(ASMState *as, IRIns *ir) -{ -#if LJ_HASFFI - /* HIOP is marked as a store because it needs its own DCE logic. */ - int uselo = ra_used(ir-1), usehi = ra_used(ir); /* Loword/hiword used? */ - if (LJ_UNLIKELY(!(as->flags & JIT_F_OPT_DCE))) uselo = usehi = 1; - if ((ir-1)->o == IR_CONV) { /* Conversions to/from 64 bit. */ - as->curins--; /* Always skip the CONV. */ - if (usehi || uselo) - asm_conv64(as, ir); - return; - } else if ((ir-1)->o <= IR_NE) { /* 64 bit integer comparisons. ORDER IR. */ - as->curins--; /* Always skip the loword comparison. */ - asm_comp64(as, ir); - return; - } - if (!usehi) return; /* Skip unused hiword op for all remaining ops. */ - switch ((ir-1)->o) { - case IR_ADD: as->curins--; asm_add64(as, ir); break; - case IR_SUB: as->curins--; asm_sub64(as, ir); break; - case IR_NEG: as->curins--; asm_neg64(as, ir); break; - case IR_CALLN: - case IR_CALLXS: - if (!uselo) - ra_allocref(as, ir->op1, RID2RSET(RID_RETLO)); /* Mark lo op as used. */ - break; - case IR_CNEWI: - /* Nothing to do here. Handled by lo op itself. */ - break; - default: lua_assert(0); break; - } -#else - UNUSED(as); UNUSED(ir); lua_assert(0); /* Unused without FFI. */ -#endif -} - -/* -- Stack handling ------------------------------------------------------ */ - -/* Check Lua stack size for overflow. Use exit handler as fallback. */ -static void asm_stack_check(ASMState *as, BCReg topslot, - IRIns *irp, RegSet allow, ExitNo exitno) -{ - /* Try to get an unused temp. register, otherwise spill/restore RID_RET*. */ - Reg tmp, pbase = irp ? (ra_hasreg(irp->r) ? irp->r : RID_TMP) : RID_BASE; - rset_clear(allow, pbase); - tmp = allow ? rset_pickbot(allow) : - (pbase == RID_RETHI ? RID_RETLO : RID_RETHI); - emit_condbranch(as, PPCI_BC, CC_LT, asm_exitstub_addr(as, exitno)); - if (allow == RSET_EMPTY) /* Restore temp. register. */ - emit_tai(as, PPCI_LWZ, tmp, RID_SP, SPOFS_TMPW); - else - ra_modified(as, tmp); - emit_ai(as, PPCI_CMPLWI, RID_TMP, (int32_t)(8*topslot)); - emit_tab(as, PPCI_SUBF, RID_TMP, pbase, tmp); - emit_tai(as, PPCI_LWZ, tmp, tmp, offsetof(lua_State, maxstack)); - if (pbase == RID_TMP) - emit_getgl(as, RID_TMP, jit_base); - emit_getgl(as, tmp, jit_L); - if (allow == RSET_EMPTY) /* Spill temp. register. */ - emit_tai(as, PPCI_STW, tmp, RID_SP, SPOFS_TMPW); -} - -/* Restore Lua stack from on-trace state. */ -static void asm_stack_restore(ASMState *as, SnapShot *snap) -{ - SnapEntry *map = &as->T->snapmap[snap->mapofs]; - SnapEntry *flinks = &as->T->snapmap[snap_nextofs(as->T, snap)-1]; - MSize n, nent = snap->nent; - /* Store the value of all modified slots to the Lua stack. */ - for (n = 0; n < nent; n++) { - SnapEntry sn = map[n]; - BCReg s = snap_slot(sn); - int32_t ofs = 8*((int32_t)s-1); - IRRef ref = snap_ref(sn); - IRIns *ir = IR(ref); - if ((sn & SNAP_NORESTORE)) - continue; - if (irt_isnum(ir->t)) { - Reg src = ra_alloc1(as, ref, RSET_FPR); - emit_fai(as, PPCI_STFD, src, RID_BASE, ofs); - } else { - Reg type; - RegSet allow = rset_exclude(RSET_GPR, RID_BASE); - lua_assert(irt_ispri(ir->t) || irt_isaddr(ir->t) || irt_isinteger(ir->t)); - if (!irt_ispri(ir->t)) { - Reg src = ra_alloc1(as, ref, allow); - rset_clear(allow, src); - emit_tai(as, PPCI_STW, src, RID_BASE, ofs+4); - } - if ((sn & (SNAP_CONT|SNAP_FRAME))) { - if (s == 0) continue; /* Do not overwrite link to previous frame. */ - type = ra_allock(as, (int32_t)(*flinks--), allow); - } else { - type = ra_allock(as, (int32_t)irt_toitype(ir->t), allow); - } - emit_tai(as, PPCI_STW, type, RID_BASE, ofs); - } - checkmclim(as); - } - lua_assert(map + nent == flinks); -} - -/* -- GC handling --------------------------------------------------------- */ - -/* Check GC threshold and do one or more GC steps. */ -static void asm_gc_check(ASMState *as) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_gc_step_jit]; - IRRef args[2]; - MCLabel l_end; - Reg tmp; - ra_evictset(as, RSET_SCRATCH); - l_end = emit_label(as); - /* Exit trace if in GCSatomic or GCSfinalize. Avoids syncing GC objects. */ - asm_guardcc(as, CC_NE); /* Assumes asm_snap_prep() already done. */ - emit_ai(as, PPCI_CMPWI, RID_RET, 0); - args[0] = ASMREF_TMP1; /* global_State *g */ - args[1] = ASMREF_TMP2; /* MSize steps */ - asm_gencall(as, ci, args); - emit_tai(as, PPCI_ADDI, ra_releasetmp(as, ASMREF_TMP1), RID_JGL, -32768); - tmp = ra_releasetmp(as, ASMREF_TMP2); - emit_loadi(as, tmp, (int32_t)as->gcsteps); - /* Jump around GC step if GC total < GC threshold. */ - emit_condbranch(as, PPCI_BC|PPCF_Y, CC_LT, l_end); - emit_ab(as, PPCI_CMPLW, RID_TMP, tmp); - emit_getgl(as, tmp, gc.threshold); - emit_getgl(as, RID_TMP, gc.total); - as->gcsteps = 0; - checkmclim(as); -} - -/* -- Loop handling ------------------------------------------------------- */ - -/* Fixup the loop branch. */ -static void asm_loop_fixup(ASMState *as) -{ - MCode *p = as->mctop; - MCode *target = as->mcp; - if (as->loopinv) { /* Inverted loop branch? */ - /* asm_guardcc already inverted the cond branch and patched the final b. */ - p[-2] = (p[-2] & (0xffff0000u & ~PPCF_Y)) | (((target-p+2) & 0x3fffu) << 2); - } else { - p[-1] = PPCI_B|(((target-p+1)&0x00ffffffu)<<2); - } -} - -/* -- Head of trace ------------------------------------------------------- */ - -/* Coalesce BASE register for a root trace. */ -static void asm_head_root_base(ASMState *as) -{ - IRIns *ir = IR(REF_BASE); - Reg r = ir->r; - if (ra_hasreg(r)) { - ra_free(as, r); - if (rset_test(as->modset, r)) - ir->r = RID_INIT; /* No inheritance for modified BASE register. */ - if (r != RID_BASE) - emit_mr(as, r, RID_BASE); - } -} - -/* Coalesce BASE register for a side trace. */ -static RegSet asm_head_side_base(ASMState *as, IRIns *irp, RegSet allow) -{ - IRIns *ir = IR(REF_BASE); - Reg r = ir->r; - if (ra_hasreg(r)) { - ra_free(as, r); - if (rset_test(as->modset, r)) - ir->r = RID_INIT; /* No inheritance for modified BASE register. */ - if (irp->r == r) { - rset_clear(allow, r); /* Mark same BASE register as coalesced. */ - } else if (ra_hasreg(irp->r) && rset_test(as->freeset, irp->r)) { - rset_clear(allow, irp->r); - emit_mr(as, r, irp->r); /* Move from coalesced parent reg. */ - } else { - emit_getgl(as, r, jit_base); /* Otherwise reload BASE. */ - } - } - return allow; -} - -/* -- Tail of trace ------------------------------------------------------- */ - -/* Fixup the tail code. */ -static void asm_tail_fixup(ASMState *as, TraceNo lnk) -{ - MCode *p = as->mctop; - MCode *target; - int32_t spadj = as->T->spadjust; - if (spadj == 0) { - *--p = PPCI_NOP; - *--p = PPCI_NOP; - as->mctop = p; - } else { - /* Patch stack adjustment. */ - lua_assert(checki16(CFRAME_SIZE+spadj)); - p[-3] = PPCI_ADDI | PPCF_T(RID_TMP) | PPCF_A(RID_SP) | (CFRAME_SIZE+spadj); - p[-2] = PPCI_STWU | PPCF_T(RID_TMP) | PPCF_A(RID_SP) | spadj; - } - /* Patch exit branch. */ - target = lnk ? traceref(as->J, lnk)->mcode : (MCode *)lj_vm_exit_interp; - p[-1] = PPCI_B|(((target-p+1)&0x00ffffffu)<<2); -} - -/* Prepare tail of code. */ -static void asm_tail_prep(ASMState *as) -{ - MCode *p = as->mctop - 1; /* Leave room for exit branch. */ - if (as->loopref) { - as->invmcp = as->mcp = p; - } else { - as->mcp = p-2; /* Leave room for stack pointer adjustment. */ - as->invmcp = NULL; - } -} - -/* -- Instruction dispatch ------------------------------------------------ */ - -/* Assemble a single instruction. */ -static void asm_ir(ASMState *as, IRIns *ir) -{ - switch ((IROp)ir->o) { - /* Miscellaneous ops. */ - case IR_LOOP: asm_loop(as); break; - case IR_NOP: case IR_XBAR: lua_assert(!ra_used(ir)); break; - case IR_USE: - ra_alloc1(as, ir->op1, irt_isfp(ir->t) ? RSET_FPR : RSET_GPR); break; - case IR_PHI: asm_phi(as, ir); break; - case IR_HIOP: asm_hiop(as, ir); break; - - /* Guarded assertions. */ - case IR_EQ: case IR_NE: - if ((ir-1)->o == IR_HREF && ir->op1 == as->curins-1) { - as->curins--; - asm_href(as, ir-1, (IROp)ir->o); - break; - } - /* fallthrough */ - case IR_LT: case IR_GE: case IR_LE: case IR_GT: - case IR_ULT: case IR_UGE: case IR_ULE: case IR_UGT: - case IR_ABC: - asm_comp(as, ir); - break; - - case IR_RETF: asm_retf(as, ir); break; - - /* Bit ops. */ - case IR_BNOT: asm_bitnot(as, ir); break; - case IR_BSWAP: asm_bitswap(as, ir); break; - - case IR_BAND: asm_bitand(as, ir); break; - case IR_BOR: asm_bitop(as, ir, PPCI_OR, PPCI_ORI); break; - case IR_BXOR: asm_bitop(as, ir, PPCI_XOR, PPCI_XORI); break; - - case IR_BSHL: asm_bitshift(as, ir, PPCI_SLW, 0); break; - case IR_BSHR: asm_bitshift(as, ir, PPCI_SRW, 1); break; - case IR_BSAR: asm_bitshift(as, ir, PPCI_SRAW, PPCI_SRAWI); break; - case IR_BROL: asm_bitshift(as, ir, PPCI_RLWNM|PPCF_MB(0)|PPCF_ME(31), - PPCI_RLWINM|PPCF_MB(0)|PPCF_ME(31)); break; - case IR_BROR: lua_assert(0); break; - - /* Arithmetic ops. */ - case IR_ADD: asm_add(as, ir); break; - case IR_SUB: asm_sub(as, ir); break; - case IR_MUL: asm_mul(as, ir); break; - case IR_DIV: asm_fparith(as, ir, PPCI_FDIV); break; - case IR_MOD: asm_callid(as, ir, IRCALL_lj_vm_modi); break; - case IR_POW: asm_callid(as, ir, IRCALL_lj_vm_powi); break; - case IR_NEG: asm_neg(as, ir); break; - - case IR_ABS: asm_fpunary(as, ir, PPCI_FABS); break; - case IR_ATAN2: asm_callid(as, ir, IRCALL_atan2); break; - case IR_LDEXP: asm_callid(as, ir, IRCALL_ldexp); break; - case IR_MIN: asm_min_max(as, ir, 0); break; - case IR_MAX: asm_min_max(as, ir, 1); break; - case IR_FPMATH: - if (ir->op2 == IRFPM_EXP2 && asm_fpjoin_pow(as, ir)) - break; - asm_callid(as, ir, IRCALL_lj_vm_floor + ir->op2); - break; - - /* Overflow-checking arithmetic ops. */ - case IR_ADDOV: asm_arithov(as, ir, PPCI_ADDO); break; - case IR_SUBOV: asm_arithov(as, ir, PPCI_SUBFO); break; - case IR_MULOV: asm_arithov(as, ir, PPCI_MULLWO); break; - - /* Memory references. */ - case IR_AREF: asm_aref(as, ir); break; - case IR_HREF: asm_href(as, ir, 0); break; - case IR_HREFK: asm_hrefk(as, ir); break; - case IR_NEWREF: asm_newref(as, ir); break; - case IR_UREFO: case IR_UREFC: asm_uref(as, ir); break; - case IR_FREF: asm_fref(as, ir); break; - case IR_STRREF: asm_strref(as, ir); break; - - /* Loads and stores. */ - case IR_ALOAD: case IR_HLOAD: case IR_ULOAD: case IR_VLOAD: - asm_ahuvload(as, ir); - break; - case IR_FLOAD: asm_fload(as, ir); break; - case IR_XLOAD: asm_xload(as, ir); break; - case IR_SLOAD: asm_sload(as, ir); break; - - case IR_ASTORE: case IR_HSTORE: case IR_USTORE: asm_ahustore(as, ir); break; - case IR_FSTORE: asm_fstore(as, ir); break; - case IR_XSTORE: asm_xstore(as, ir); break; - - /* Allocations. */ - case IR_SNEW: case IR_XSNEW: asm_snew(as, ir); break; - case IR_TNEW: asm_tnew(as, ir); break; - case IR_TDUP: asm_tdup(as, ir); break; - case IR_CNEW: case IR_CNEWI: asm_cnew(as, ir); break; - - /* Write barriers. */ - case IR_TBAR: asm_tbar(as, ir); break; - case IR_OBAR: asm_obar(as, ir); break; - - /* Type conversions. */ - case IR_CONV: asm_conv(as, ir); break; - case IR_TOBIT: asm_tobit(as, ir); break; - case IR_TOSTR: asm_tostr(as, ir); break; - case IR_STRTO: asm_strto(as, ir); break; - - /* Calls. */ - case IR_CALLN: case IR_CALLL: case IR_CALLS: asm_call(as, ir); break; - case IR_CALLXS: asm_callx(as, ir); break; - case IR_CARG: break; - - default: - setintV(&as->J->errinfo, ir->o); - lj_trace_err_info(as->J, LJ_TRERR_NYIIR); - break; - } -} - -/* -- Trace setup --------------------------------------------------------- */ - -/* Ensure there are enough stack slots for call arguments. */ -static Reg asm_setup_call_slots(ASMState *as, IRIns *ir, const CCallInfo *ci) -{ - IRRef args[CCI_NARGS_MAX]; - uint32_t i, nargs = (int)CCI_NARGS(ci); - int nslots = 2, ngpr = REGARG_NUMGPR, nfpr = REGARG_NUMFPR; - asm_collectargs(as, ir, ci, args); - for (i = 0; i < nargs; i++) - if (args[i] && irt_isfp(IR(args[i])->t)) { - if (nfpr > 0) nfpr--; else nslots = (nslots+3) & ~1; - } else { - if (ngpr > 0) ngpr--; else nslots++; - } - if (nslots > as->evenspill) /* Leave room for args in stack slots. */ - as->evenspill = nslots; - return irt_isfp(ir->t) ? REGSP_HINT(RID_FPRET) : REGSP_HINT(RID_RET); -} - -static void asm_setup_target(ASMState *as) -{ - asm_exitstub_setup(as, as->T->nsnap + (as->parent ? 1 : 0)); -} - -/* -- Trace patching ------------------------------------------------------ */ - -/* Patch exit jumps of existing machine code to a new target. */ -void lj_asm_patchexit(jit_State *J, GCtrace *T, ExitNo exitno, MCode *target) -{ - MCode *p = T->mcode; - MCode *pe = (MCode *)((char *)p + T->szmcode); - MCode *px = exitstub_trace_addr(T, exitno); - MCode *cstart = NULL; - MCode *mcarea = lj_mcode_patch(J, p, 0); - int clearso = 0; - for (; p < pe; p++) { - /* Look for exitstub branch, try to replace with branch to target. */ - uint32_t ins = *p; - if ((ins & 0xfc000000u) == 0x40000000u && - ((ins ^ ((char *)px-(char *)p)) & 0xffffu) == 0) { - ptrdiff_t delta = (char *)target - (char *)p; - if (((ins >> 16) & 3) == (CC_SO&3)) { - clearso = sizeof(MCode); - delta -= sizeof(MCode); - } - /* Many, but not all short-range branches can be patched directly. */ - if (((delta + 0x8000) >> 16) == 0) { - *p = (ins & 0xffdf0000u) | ((uint32_t)delta & 0xffffu) | - ((delta & 0x8000) * (PPCF_Y/0x8000)); - if (!cstart) cstart = p; - } - } else if ((ins & 0xfc000000u) == PPCI_B && - ((ins ^ ((char *)px-(char *)p)) & 0x03ffffffu) == 0) { - ptrdiff_t delta = (char *)target - (char *)p; - lua_assert(((delta + 0x02000000) >> 26) == 0); - *p = PPCI_B | ((uint32_t)delta & 0x03ffffffu); - if (!cstart) cstart = p; - } - } - { /* Always patch long-range branch in exit stub itself. */ - ptrdiff_t delta = (char *)target - (char *)px - clearso; - lua_assert(((delta + 0x02000000) >> 26) == 0); - *px = PPCI_B | ((uint32_t)delta & 0x03ffffffu); - } - if (!cstart) cstart = px; - lj_mcode_sync(cstart, px+1); - if (clearso) { /* Extend the current trace. Ugly workaround. */ - MCode *pp = J->cur.mcode; - J->cur.szmcode += sizeof(MCode); - *--pp = PPCI_MCRXR; /* Clear SO flag. */ - J->cur.mcode = pp; - lj_mcode_sync(pp, pp+1); - } - lj_mcode_patch(J, mcarea, 1); -} - diff --git a/libraries/luajit-2.0/src/lj_asm_x86.h b/libraries/luajit-2.0/src/lj_asm_x86.h deleted file mode 100644 index 1170b66..0000000 --- a/libraries/luajit-2.0/src/lj_asm_x86.h +++ /dev/null @@ -1,2751 +0,0 @@ -/* -** x86/x64 IR assembler (SSA IR -> machine code). -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -/* -- Guard handling ------------------------------------------------------ */ - -/* Generate an exit stub group at the bottom of the reserved MCode memory. */ -static MCode *asm_exitstub_gen(ASMState *as, ExitNo group) -{ - ExitNo i, groupofs = (group*EXITSTUBS_PER_GROUP) & 0xff; - MCode *mxp = as->mcbot; - MCode *mxpstart = mxp; - if (mxp + (2+2)*EXITSTUBS_PER_GROUP+8+5 >= as->mctop) - asm_mclimit(as); - /* Push low byte of exitno for each exit stub. */ - *mxp++ = XI_PUSHi8; *mxp++ = (MCode)groupofs; - for (i = 1; i < EXITSTUBS_PER_GROUP; i++) { - *mxp++ = XI_JMPs; *mxp++ = (MCode)((2+2)*(EXITSTUBS_PER_GROUP - i) - 2); - *mxp++ = XI_PUSHi8; *mxp++ = (MCode)(groupofs + i); - } - /* Push the high byte of the exitno for each exit stub group. */ - *mxp++ = XI_PUSHi8; *mxp++ = (MCode)((group*EXITSTUBS_PER_GROUP)>>8); - /* Store DISPATCH at original stack slot 0. Account for the two push ops. */ - *mxp++ = XI_MOVmi; - *mxp++ = MODRM(XM_OFS8, 0, RID_ESP); - *mxp++ = MODRM(XM_SCALE1, RID_ESP, RID_ESP); - *mxp++ = 2*sizeof(void *); - *(int32_t *)mxp = ptr2addr(J2GG(as->J)->dispatch); mxp += 4; - /* Jump to exit handler which fills in the ExitState. */ - *mxp++ = XI_JMP; mxp += 4; - *((int32_t *)(mxp-4)) = jmprel(mxp, (MCode *)(void *)lj_vm_exit_handler); - /* Commit the code for this group (even if assembly fails later on). */ - lj_mcode_commitbot(as->J, mxp); - as->mcbot = mxp; - as->mclim = as->mcbot + MCLIM_REDZONE; - return mxpstart; -} - -/* Setup all needed exit stubs. */ -static void asm_exitstub_setup(ASMState *as, ExitNo nexits) -{ - ExitNo i; - if (nexits >= EXITSTUBS_PER_GROUP*LJ_MAX_EXITSTUBGR) - lj_trace_err(as->J, LJ_TRERR_SNAPOV); - for (i = 0; i < (nexits+EXITSTUBS_PER_GROUP-1)/EXITSTUBS_PER_GROUP; i++) - if (as->J->exitstubgroup[i] == NULL) - as->J->exitstubgroup[i] = asm_exitstub_gen(as, i); -} - -/* Emit conditional branch to exit for guard. -** It's important to emit this *after* all registers have been allocated, -** because rematerializations may invalidate the flags. -*/ -static void asm_guardcc(ASMState *as, int cc) -{ - MCode *target = exitstub_addr(as->J, as->snapno); - MCode *p = as->mcp; - if (LJ_UNLIKELY(p == as->invmcp)) { - as->loopinv = 1; - *(int32_t *)(p+1) = jmprel(p+5, target); - target = p; - cc ^= 1; - if (as->realign) { - emit_sjcc(as, cc, target); - return; - } - } - emit_jcc(as, cc, target); -} - -/* -- Memory operand fusion ----------------------------------------------- */ - -/* Limit linear search to this distance. Avoids O(n^2) behavior. */ -#define CONFLICT_SEARCH_LIM 31 - -/* Check if a reference is a signed 32 bit constant. */ -static int asm_isk32(ASMState *as, IRRef ref, int32_t *k) -{ - if (irref_isk(ref)) { - IRIns *ir = IR(ref); - if (ir->o != IR_KINT64) { - *k = ir->i; - return 1; - } else if (checki32((int64_t)ir_kint64(ir)->u64)) { - *k = (int32_t)ir_kint64(ir)->u64; - return 1; - } - } - return 0; -} - -/* Check if there's no conflicting instruction between curins and ref. -** Also avoid fusing loads if there are multiple references. -*/ -static int noconflict(ASMState *as, IRRef ref, IROp conflict, int noload) -{ - IRIns *ir = as->ir; - IRRef i = as->curins; - if (i > ref + CONFLICT_SEARCH_LIM) - return 0; /* Give up, ref is too far away. */ - while (--i > ref) { - if (ir[i].o == conflict) - return 0; /* Conflict found. */ - else if (!noload && (ir[i].op1 == ref || ir[i].op2 == ref)) - return 0; - } - return 1; /* Ok, no conflict. */ -} - -/* Fuse array base into memory operand. */ -static IRRef asm_fuseabase(ASMState *as, IRRef ref) -{ - IRIns *irb = IR(ref); - as->mrm.ofs = 0; - if (irb->o == IR_FLOAD) { - IRIns *ira = IR(irb->op1); - lua_assert(irb->op2 == IRFL_TAB_ARRAY); - /* We can avoid the FLOAD of t->array for colocated arrays. */ - if (ira->o == IR_TNEW && ira->op1 <= LJ_MAX_COLOSIZE && - !neverfuse(as) && noconflict(as, irb->op1, IR_NEWREF, 1)) { - as->mrm.ofs = (int32_t)sizeof(GCtab); /* Ofs to colocated array. */ - return irb->op1; /* Table obj. */ - } - } else if (irb->o == IR_ADD && irref_isk(irb->op2)) { - /* Fuse base offset (vararg load). */ - as->mrm.ofs = IR(irb->op2)->i; - return irb->op1; - } - return ref; /* Otherwise use the given array base. */ -} - -/* Fuse array reference into memory operand. */ -static void asm_fusearef(ASMState *as, IRIns *ir, RegSet allow) -{ - IRIns *irx; - lua_assert(ir->o == IR_AREF); - as->mrm.base = (uint8_t)ra_alloc1(as, asm_fuseabase(as, ir->op1), allow); - irx = IR(ir->op2); - if (irref_isk(ir->op2)) { - as->mrm.ofs += 8*irx->i; - as->mrm.idx = RID_NONE; - } else { - rset_clear(allow, as->mrm.base); - as->mrm.scale = XM_SCALE8; - /* Fuse a constant ADD (e.g. t[i+1]) into the offset. - ** Doesn't help much without ABCelim, but reduces register pressure. - */ - if (!LJ_64 && /* Has bad effects with negative index on x64. */ - mayfuse(as, ir->op2) && ra_noreg(irx->r) && - irx->o == IR_ADD && irref_isk(irx->op2)) { - as->mrm.ofs += 8*IR(irx->op2)->i; - as->mrm.idx = (uint8_t)ra_alloc1(as, irx->op1, allow); - } else { - as->mrm.idx = (uint8_t)ra_alloc1(as, ir->op2, allow); - } - } -} - -/* Fuse array/hash/upvalue reference into memory operand. -** Caveat: this may allocate GPRs for the base/idx registers. Be sure to -** pass the final allow mask, excluding any GPRs used for other inputs. -** In particular: 2-operand GPR instructions need to call ra_dest() first! -*/ -static void asm_fuseahuref(ASMState *as, IRRef ref, RegSet allow) -{ - IRIns *ir = IR(ref); - if (ra_noreg(ir->r)) { - switch ((IROp)ir->o) { - case IR_AREF: - if (mayfuse(as, ref)) { - asm_fusearef(as, ir, allow); - return; - } - break; - case IR_HREFK: - if (mayfuse(as, ref)) { - as->mrm.base = (uint8_t)ra_alloc1(as, ir->op1, allow); - as->mrm.ofs = (int32_t)(IR(ir->op2)->op2 * sizeof(Node)); - as->mrm.idx = RID_NONE; - return; - } - break; - case IR_UREFC: - if (irref_isk(ir->op1)) { - GCfunc *fn = ir_kfunc(IR(ir->op1)); - GCupval *uv = &gcref(fn->l.uvptr[(ir->op2 >> 8)])->uv; - as->mrm.ofs = ptr2addr(&uv->tv); - as->mrm.base = as->mrm.idx = RID_NONE; - return; - } - break; - default: - lua_assert(ir->o == IR_HREF || ir->o == IR_NEWREF || ir->o == IR_UREFO || - ir->o == IR_KKPTR); - break; - } - } - as->mrm.base = (uint8_t)ra_alloc1(as, ref, allow); - as->mrm.ofs = 0; - as->mrm.idx = RID_NONE; -} - -/* Fuse FLOAD/FREF reference into memory operand. */ -static void asm_fusefref(ASMState *as, IRIns *ir, RegSet allow) -{ - lua_assert(ir->o == IR_FLOAD || ir->o == IR_FREF); - as->mrm.ofs = field_ofs[ir->op2]; - as->mrm.idx = RID_NONE; - if (irref_isk(ir->op1)) { - as->mrm.ofs += IR(ir->op1)->i; - as->mrm.base = RID_NONE; - } else { - as->mrm.base = (uint8_t)ra_alloc1(as, ir->op1, allow); - } -} - -/* Fuse string reference into memory operand. */ -static void asm_fusestrref(ASMState *as, IRIns *ir, RegSet allow) -{ - IRIns *irr; - lua_assert(ir->o == IR_STRREF); - as->mrm.base = as->mrm.idx = RID_NONE; - as->mrm.scale = XM_SCALE1; - as->mrm.ofs = sizeof(GCstr); - if (irref_isk(ir->op1)) { - as->mrm.ofs += IR(ir->op1)->i; - } else { - Reg r = ra_alloc1(as, ir->op1, allow); - rset_clear(allow, r); - as->mrm.base = (uint8_t)r; - } - irr = IR(ir->op2); - if (irref_isk(ir->op2)) { - as->mrm.ofs += irr->i; - } else { - Reg r; - /* Fuse a constant add into the offset, e.g. string.sub(s, i+10). */ - if (!LJ_64 && /* Has bad effects with negative index on x64. */ - mayfuse(as, ir->op2) && irr->o == IR_ADD && irref_isk(irr->op2)) { - as->mrm.ofs += IR(irr->op2)->i; - r = ra_alloc1(as, irr->op1, allow); - } else { - r = ra_alloc1(as, ir->op2, allow); - } - if (as->mrm.base == RID_NONE) - as->mrm.base = (uint8_t)r; - else - as->mrm.idx = (uint8_t)r; - } -} - -static void asm_fusexref(ASMState *as, IRRef ref, RegSet allow) -{ - IRIns *ir = IR(ref); - as->mrm.idx = RID_NONE; - if (ir->o == IR_KPTR || ir->o == IR_KKPTR) { - as->mrm.ofs = ir->i; - as->mrm.base = RID_NONE; - } else if (ir->o == IR_STRREF) { - asm_fusestrref(as, ir, allow); - } else { - as->mrm.ofs = 0; - if (canfuse(as, ir) && ir->o == IR_ADD && ra_noreg(ir->r)) { - /* Gather (base+idx*sz)+ofs as emitted by cdata ptr/array indexing. */ - IRIns *irx; - IRRef idx; - Reg r; - if (asm_isk32(as, ir->op2, &as->mrm.ofs)) { /* Recognize x+ofs. */ - ref = ir->op1; - ir = IR(ref); - if (!(ir->o == IR_ADD && canfuse(as, ir) && ra_noreg(ir->r))) - goto noadd; - } - as->mrm.scale = XM_SCALE1; - idx = ir->op1; - ref = ir->op2; - irx = IR(idx); - if (!(irx->o == IR_BSHL || irx->o == IR_ADD)) { /* Try other operand. */ - idx = ir->op2; - ref = ir->op1; - irx = IR(idx); - } - if (canfuse(as, irx) && ra_noreg(irx->r)) { - if (irx->o == IR_BSHL && irref_isk(irx->op2) && IR(irx->op2)->i <= 3) { - /* Recognize idx<op1; - as->mrm.scale = (uint8_t)(IR(irx->op2)->i << 6); - } else if (irx->o == IR_ADD && irx->op1 == irx->op2) { - /* FOLD does idx*2 ==> idx<<1 ==> idx+idx. */ - idx = irx->op1; - as->mrm.scale = XM_SCALE2; - } - } - r = ra_alloc1(as, idx, allow); - rset_clear(allow, r); - as->mrm.idx = (uint8_t)r; - } - noadd: - as->mrm.base = (uint8_t)ra_alloc1(as, ref, allow); - } -} - -/* Fuse load into memory operand. */ -static Reg asm_fuseload(ASMState *as, IRRef ref, RegSet allow) -{ - IRIns *ir = IR(ref); - if (ra_hasreg(ir->r)) { - if (allow != RSET_EMPTY) { /* Fast path. */ - ra_noweak(as, ir->r); - return ir->r; - } - fusespill: - /* Force a spill if only memory operands are allowed (asm_x87load). */ - as->mrm.base = RID_ESP; - as->mrm.ofs = ra_spill(as, ir); - as->mrm.idx = RID_NONE; - return RID_MRM; - } - if (ir->o == IR_KNUM) { - RegSet avail = as->freeset & ~as->modset & RSET_FPR; - lua_assert(allow != RSET_EMPTY); - if (!(avail & (avail-1))) { /* Fuse if less than two regs available. */ - as->mrm.ofs = ptr2addr(ir_knum(ir)); - as->mrm.base = as->mrm.idx = RID_NONE; - return RID_MRM; - } - } else if (mayfuse(as, ref)) { - RegSet xallow = (allow & RSET_GPR) ? allow : RSET_GPR; - if (ir->o == IR_SLOAD) { - if (!(ir->op2 & (IRSLOAD_PARENT|IRSLOAD_CONVERT)) && - noconflict(as, ref, IR_RETF, 0)) { - as->mrm.base = (uint8_t)ra_alloc1(as, REF_BASE, xallow); - as->mrm.ofs = 8*((int32_t)ir->op1-1) + ((ir->op2&IRSLOAD_FRAME)?4:0); - as->mrm.idx = RID_NONE; - return RID_MRM; - } - } else if (ir->o == IR_FLOAD) { - /* Generic fusion is only ok for 32 bit operand (but see asm_comp). */ - if ((irt_isint(ir->t) || irt_isaddr(ir->t)) && - noconflict(as, ref, IR_FSTORE, 0)) { - asm_fusefref(as, ir, xallow); - return RID_MRM; - } - } else if (ir->o == IR_ALOAD || ir->o == IR_HLOAD || ir->o == IR_ULOAD) { - if (noconflict(as, ref, ir->o + IRDELTA_L2S, 0)) { - asm_fuseahuref(as, ir->op1, xallow); - return RID_MRM; - } - } else if (ir->o == IR_XLOAD) { - /* Generic fusion is not ok for 8/16 bit operands (but see asm_comp). - ** Fusing unaligned memory operands is ok on x86 (except for SIMD types). - */ - if ((!irt_typerange(ir->t, IRT_I8, IRT_U16)) && - noconflict(as, ref, IR_XSTORE, 0)) { - asm_fusexref(as, ir->op1, xallow); - return RID_MRM; - } - } else if (ir->o == IR_VLOAD) { - asm_fuseahuref(as, ir->op1, xallow); - return RID_MRM; - } - } - if (!(as->freeset & allow) && - (allow == RSET_EMPTY || ra_hasspill(ir->s) || iscrossref(as, ref))) - goto fusespill; - return ra_allocref(as, ref, allow); -} - -/* -- Calls --------------------------------------------------------------- */ - -/* Count the required number of stack slots for a call. */ -static int asm_count_call_slots(ASMState *as, const CCallInfo *ci, IRRef *args) -{ - uint32_t i, nargs = CCI_NARGS(ci); - int nslots = 0; -#if LJ_64 - if (LJ_ABI_WIN) { - nslots = (int)(nargs*2); /* Only matters for more than four args. */ - } else { - int ngpr = REGARG_NUMGPR, nfpr = REGARG_NUMFPR; - for (i = 0; i < nargs; i++) - if (args[i] && irt_isfp(IR(args[i])->t)) { - if (nfpr > 0) nfpr--; else nslots += 2; - } else { - if (ngpr > 0) ngpr--; else nslots += 2; - } - } -#else - int ngpr = 0; - if ((ci->flags & CCI_CC_MASK) == CCI_CC_FASTCALL) - ngpr = 2; - else if ((ci->flags & CCI_CC_MASK) == CCI_CC_THISCALL) - ngpr = 1; - for (i = 0; i < nargs; i++) - if (args[i] && irt_isfp(IR(args[i])->t)) { - nslots += irt_isnum(IR(args[i])->t) ? 2 : 1; - } else { - if (ngpr > 0) ngpr--; else nslots++; - } -#endif - return nslots; -} - -/* Generate a call to a C function. */ -static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args) -{ - uint32_t n, nargs = CCI_NARGS(ci); - int32_t ofs = STACKARG_OFS; -#if LJ_64 - uint32_t gprs = REGARG_GPRS; - Reg fpr = REGARG_FIRSTFPR; -#if !LJ_ABI_WIN - MCode *patchnfpr = NULL; -#endif -#else - uint32_t gprs = 0; - if ((ci->flags & CCI_CC_MASK) != CCI_CC_CDECL) { - if ((ci->flags & CCI_CC_MASK) == CCI_CC_THISCALL) - gprs = (REGARG_GPRS & 31); - else if ((ci->flags & CCI_CC_MASK) == CCI_CC_FASTCALL) - gprs = REGARG_GPRS; - } -#endif - if ((void *)ci->func) - emit_call(as, ci->func); -#if LJ_64 - if ((ci->flags & CCI_VARARG)) { /* Special handling for vararg calls. */ -#if LJ_ABI_WIN - for (n = 0; n < 4 && n < nargs; n++) { - IRIns *ir = IR(args[n]); - if (irt_isfp(ir->t)) /* Duplicate FPRs in GPRs. */ - emit_rr(as, XO_MOVDto, (irt_isnum(ir->t) ? REX_64 : 0) | (fpr+n), - ((gprs >> (n*5)) & 31)); /* Either MOVD or MOVQ. */ - } -#else - patchnfpr = --as->mcp; /* Indicate number of used FPRs in register al. */ - *--as->mcp = XI_MOVrib | RID_EAX; -#endif - } -#endif - for (n = 0; n < nargs; n++) { /* Setup args. */ - IRRef ref = args[n]; - IRIns *ir = IR(ref); - Reg r; -#if LJ_64 && LJ_ABI_WIN - /* Windows/x64 argument registers are strictly positional. */ - r = irt_isfp(ir->t) ? (fpr <= REGARG_LASTFPR ? fpr : 0) : (gprs & 31); - fpr++; gprs >>= 5; -#elif LJ_64 - /* POSIX/x64 argument registers are used in order of appearance. */ - if (irt_isfp(ir->t)) { - r = fpr <= REGARG_LASTFPR ? fpr++ : 0; - } else { - r = gprs & 31; gprs >>= 5; - } -#else - if (ref && irt_isfp(ir->t)) { - r = 0; - } else { - r = gprs & 31; gprs >>= 5; - if (!ref) continue; - } -#endif - if (r) { /* Argument is in a register. */ - if (r < RID_MAX_GPR && ref < ASMREF_TMP1) { -#if LJ_64 - if (ir->o == IR_KINT64) - emit_loadu64(as, r, ir_kint64(ir)->u64); - else -#endif - emit_loadi(as, r, ir->i); - } else { - lua_assert(rset_test(as->freeset, r)); /* Must have been evicted. */ - if (ra_hasreg(ir->r)) { - ra_noweak(as, ir->r); - emit_movrr(as, ir, r, ir->r); - } else { - ra_allocref(as, ref, RID2RSET(r)); - } - } - } else if (irt_isfp(ir->t)) { /* FP argument is on stack. */ - lua_assert(!(irt_isfloat(ir->t) && irref_isk(ref))); /* No float k. */ - if (LJ_32 && (ofs & 4) && irref_isk(ref)) { - /* Split stores for unaligned FP consts. */ - emit_movmroi(as, RID_ESP, ofs, (int32_t)ir_knum(ir)->u32.lo); - emit_movmroi(as, RID_ESP, ofs+4, (int32_t)ir_knum(ir)->u32.hi); - } else { - r = ra_alloc1(as, ref, RSET_FPR); - emit_rmro(as, irt_isnum(ir->t) ? XO_MOVSDto : XO_MOVSSto, - r, RID_ESP, ofs); - } - ofs += (LJ_32 && irt_isfloat(ir->t)) ? 4 : 8; - } else { /* Non-FP argument is on stack. */ - if (LJ_32 && ref < ASMREF_TMP1) { - emit_movmroi(as, RID_ESP, ofs, ir->i); - } else { - r = ra_alloc1(as, ref, RSET_GPR); - emit_movtomro(as, REX_64 + r, RID_ESP, ofs); - } - ofs += sizeof(intptr_t); - } - } -#if LJ_64 && !LJ_ABI_WIN - if (patchnfpr) *patchnfpr = fpr - REGARG_FIRSTFPR; -#endif -} - -/* Setup result reg/sp for call. Evict scratch regs. */ -static void asm_setupresult(ASMState *as, IRIns *ir, const CCallInfo *ci) -{ - RegSet drop = RSET_SCRATCH; - if ((ci->flags & CCI_NOFPRCLOBBER)) - drop &= ~RSET_FPR; - if (ra_hasreg(ir->r)) - rset_clear(drop, ir->r); /* Dest reg handled below. */ - ra_evictset(as, drop); /* Evictions must be performed first. */ - if (ra_used(ir)) { - if (irt_isfp(ir->t)) { - int32_t ofs = sps_scale(ir->s); /* Use spill slot or temp slots. */ -#if LJ_64 - if ((ci->flags & CCI_CASTU64)) { - Reg dest = ir->r; - if (ra_hasreg(dest)) { - ra_free(as, dest); - ra_modified(as, dest); - emit_rr(as, XO_MOVD, dest|REX_64, RID_RET); /* Really MOVQ. */ - } - if (ofs) emit_movtomro(as, RID_RET|REX_64, RID_ESP, ofs); - } else { - ra_destreg(as, ir, RID_FPRET); - } -#else - /* Number result is in x87 st0 for x86 calling convention. */ - Reg dest = ir->r; - if (ra_hasreg(dest)) { - ra_free(as, dest); - ra_modified(as, dest); - emit_rmro(as, irt_isnum(ir->t) ? XMM_MOVRM(as) : XO_MOVSS, - dest, RID_ESP, ofs); - } - if ((ci->flags & CCI_CASTU64)) { - emit_movtomro(as, RID_RETLO, RID_ESP, ofs); - emit_movtomro(as, RID_RETHI, RID_ESP, ofs+4); - } else { - emit_rmro(as, irt_isnum(ir->t) ? XO_FSTPq : XO_FSTPd, - irt_isnum(ir->t) ? XOg_FSTPq : XOg_FSTPd, RID_ESP, ofs); - } -#endif - } else { - lua_assert(!irt_ispri(ir->t)); - ra_destreg(as, ir, RID_RET); - } - } else if (LJ_32 && irt_isfp(ir->t)) { - emit_x87op(as, XI_FPOP); /* Pop unused result from x87 st0. */ - } -} - -static void asm_call(ASMState *as, IRIns *ir) -{ - IRRef args[CCI_NARGS_MAX]; - const CCallInfo *ci = &lj_ir_callinfo[ir->op2]; - asm_collectargs(as, ir, ci, args); - asm_setupresult(as, ir, ci); - asm_gencall(as, ci, args); -} - -/* Return a constant function pointer or NULL for indirect calls. */ -static void *asm_callx_func(ASMState *as, IRIns *irf, IRRef func) -{ -#if LJ_32 - UNUSED(as); - if (irref_isk(func)) - return (void *)irf->i; -#else - if (irref_isk(func)) { - MCode *p; - if (irf->o == IR_KINT64) - p = (MCode *)(void *)ir_k64(irf)->u64; - else - p = (MCode *)(void *)(uintptr_t)(uint32_t)irf->i; - if (p - as->mcp == (int32_t)(p - as->mcp)) - return p; /* Call target is still in +-2GB range. */ - /* Avoid the indirect case of emit_call(). Try to hoist func addr. */ - } -#endif - return NULL; -} - -static void asm_callx(ASMState *as, IRIns *ir) -{ - IRRef args[CCI_NARGS_MAX]; - CCallInfo ci; - IRRef func; - IRIns *irf; - int32_t spadj = 0; - ci.flags = asm_callx_flags(as, ir); - asm_collectargs(as, ir, &ci, args); - asm_setupresult(as, ir, &ci); -#if LJ_32 - /* Have to readjust stack after non-cdecl calls due to callee cleanup. */ - if ((ci.flags & CCI_CC_MASK) != CCI_CC_CDECL) - spadj = 4 * asm_count_call_slots(as, &ci, args); -#endif - func = ir->op2; irf = IR(func); - if (irf->o == IR_CARG) { func = irf->op1; irf = IR(func); } - ci.func = (ASMFunction)asm_callx_func(as, irf, func); - if (!(void *)ci.func) { - /* Use a (hoistable) non-scratch register for indirect calls. */ - RegSet allow = (RSET_GPR & ~RSET_SCRATCH); - Reg r = ra_alloc1(as, func, allow); - if (LJ_32) emit_spsub(as, spadj); /* Above code may cause restores! */ - emit_rr(as, XO_GROUP5, XOg_CALL, r); - } else if (LJ_32) { - emit_spsub(as, spadj); - } - asm_gencall(as, &ci, args); -} - -/* -- Returns ------------------------------------------------------------- */ - -/* Return to lower frame. Guard that it goes to the right spot. */ -static void asm_retf(ASMState *as, IRIns *ir) -{ - Reg base = ra_alloc1(as, REF_BASE, RSET_GPR); - void *pc = ir_kptr(IR(ir->op2)); - int32_t delta = 1+bc_a(*((const BCIns *)pc - 1)); - as->topslot -= (BCReg)delta; - if ((int32_t)as->topslot < 0) as->topslot = 0; - emit_setgl(as, base, jit_base); - emit_addptr(as, base, -8*delta); - asm_guardcc(as, CC_NE); - emit_gmroi(as, XG_ARITHi(XOg_CMP), base, -4, ptr2addr(pc)); -} - -/* -- Type conversions ---------------------------------------------------- */ - -static void asm_tointg(ASMState *as, IRIns *ir, Reg left) -{ - Reg tmp = ra_scratch(as, rset_exclude(RSET_FPR, left)); - Reg dest = ra_dest(as, ir, RSET_GPR); - asm_guardcc(as, CC_P); - asm_guardcc(as, CC_NE); - emit_rr(as, XO_UCOMISD, left, tmp); - emit_rr(as, XO_CVTSI2SD, tmp, dest); - if (!(as->flags & JIT_F_SPLIT_XMM)) - emit_rr(as, XO_XORPS, tmp, tmp); /* Avoid partial register stall. */ - emit_rr(as, XO_CVTTSD2SI, dest, left); - /* Can't fuse since left is needed twice. */ -} - -static void asm_tobit(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - Reg tmp = ra_noreg(IR(ir->op1)->r) ? - ra_alloc1(as, ir->op1, RSET_FPR) : - ra_scratch(as, RSET_FPR); - Reg right = asm_fuseload(as, ir->op2, rset_exclude(RSET_FPR, tmp)); - emit_rr(as, XO_MOVDto, tmp, dest); - emit_mrm(as, XO_ADDSD, tmp, right); - ra_left(as, tmp, ir->op1); -} - -static void asm_conv(ASMState *as, IRIns *ir) -{ - IRType st = (IRType)(ir->op2 & IRCONV_SRCMASK); - int st64 = (st == IRT_I64 || st == IRT_U64 || (LJ_64 && st == IRT_P64)); - int stfp = (st == IRT_NUM || st == IRT_FLOAT); - IRRef lref = ir->op1; - lua_assert(irt_type(ir->t) != st); - lua_assert(!(LJ_32 && (irt_isint64(ir->t) || st64))); /* Handled by SPLIT. */ - if (irt_isfp(ir->t)) { - Reg dest = ra_dest(as, ir, RSET_FPR); - if (stfp) { /* FP to FP conversion. */ - Reg left = asm_fuseload(as, lref, RSET_FPR); - emit_mrm(as, st == IRT_NUM ? XO_CVTSD2SS : XO_CVTSS2SD, dest, left); - if (left == dest) return; /* Avoid the XO_XORPS. */ - } else if (LJ_32 && st == IRT_U32) { /* U32 to FP conversion on x86. */ - /* number = (2^52+2^51 .. u32) - (2^52+2^51) */ - cTValue *k = lj_ir_k64_find(as->J, U64x(43380000,00000000)); - Reg bias = ra_scratch(as, rset_exclude(RSET_FPR, dest)); - if (irt_isfloat(ir->t)) - emit_rr(as, XO_CVTSD2SS, dest, dest); - emit_rr(as, XO_SUBSD, dest, bias); /* Subtract 2^52+2^51 bias. */ - emit_rr(as, XO_XORPS, dest, bias); /* Merge bias and integer. */ - emit_loadn(as, bias, k); - emit_mrm(as, XO_MOVD, dest, asm_fuseload(as, lref, RSET_GPR)); - return; - } else { /* Integer to FP conversion. */ - Reg left = (LJ_64 && (st == IRT_U32 || st == IRT_U64)) ? - ra_alloc1(as, lref, RSET_GPR) : - asm_fuseload(as, lref, RSET_GPR); - if (LJ_64 && st == IRT_U64) { - MCLabel l_end = emit_label(as); - const void *k = lj_ir_k64_find(as->J, U64x(43f00000,00000000)); - emit_rma(as, XO_ADDSD, dest, k); /* Add 2^64 to compensate. */ - emit_sjcc(as, CC_NS, l_end); - emit_rr(as, XO_TEST, left|REX_64, left); /* Check if u64 >= 2^63. */ - } - emit_mrm(as, irt_isnum(ir->t) ? XO_CVTSI2SD : XO_CVTSI2SS, - dest|((LJ_64 && (st64 || st == IRT_U32)) ? REX_64 : 0), left); - } - if (!(as->flags & JIT_F_SPLIT_XMM)) - emit_rr(as, XO_XORPS, dest, dest); /* Avoid partial register stall. */ - } else if (stfp) { /* FP to integer conversion. */ - if (irt_isguard(ir->t)) { - /* Checked conversions are only supported from number to int. */ - lua_assert(irt_isint(ir->t) && st == IRT_NUM); - asm_tointg(as, ir, ra_alloc1(as, lref, RSET_FPR)); - } else { - Reg dest = ra_dest(as, ir, RSET_GPR); - x86Op op = st == IRT_NUM ? - ((ir->op2 & IRCONV_TRUNC) ? XO_CVTTSD2SI : XO_CVTSD2SI) : - ((ir->op2 & IRCONV_TRUNC) ? XO_CVTTSS2SI : XO_CVTSS2SI); - if (LJ_64 ? irt_isu64(ir->t) : irt_isu32(ir->t)) { - /* LJ_64: For inputs >= 2^63 add -2^64, convert again. */ - /* LJ_32: For inputs >= 2^31 add -2^31, convert again and add 2^31. */ - Reg tmp = ra_noreg(IR(lref)->r) ? ra_alloc1(as, lref, RSET_FPR) : - ra_scratch(as, RSET_FPR); - MCLabel l_end = emit_label(as); - if (LJ_32) - emit_gri(as, XG_ARITHi(XOg_ADD), dest, (int32_t)0x80000000); - emit_rr(as, op, dest|REX_64, tmp); - if (st == IRT_NUM) - emit_rma(as, XO_ADDSD, tmp, lj_ir_k64_find(as->J, - LJ_64 ? U64x(c3f00000,00000000) : U64x(c1e00000,00000000))); - else - emit_rma(as, XO_ADDSS, tmp, lj_ir_k64_find(as->J, - LJ_64 ? U64x(00000000,df800000) : U64x(00000000,cf000000))); - emit_sjcc(as, CC_NS, l_end); - emit_rr(as, XO_TEST, dest|REX_64, dest); /* Check if dest negative. */ - emit_rr(as, op, dest|REX_64, tmp); - ra_left(as, tmp, lref); - } else { - Reg left = asm_fuseload(as, lref, RSET_FPR); - if (LJ_64 && irt_isu32(ir->t)) - emit_rr(as, XO_MOV, dest, dest); /* Zero hiword. */ - emit_mrm(as, op, - dest|((LJ_64 && - (irt_is64(ir->t) || irt_isu32(ir->t))) ? REX_64 : 0), - left); - } - } - } else if (st >= IRT_I8 && st <= IRT_U16) { /* Extend to 32 bit integer. */ - Reg left, dest = ra_dest(as, ir, RSET_GPR); - RegSet allow = RSET_GPR; - x86Op op; - lua_assert(irt_isint(ir->t) || irt_isu32(ir->t)); - if (st == IRT_I8) { - op = XO_MOVSXb; allow = RSET_GPR8; dest |= FORCE_REX; - } else if (st == IRT_U8) { - op = XO_MOVZXb; allow = RSET_GPR8; dest |= FORCE_REX; - } else if (st == IRT_I16) { - op = XO_MOVSXw; - } else { - op = XO_MOVZXw; - } - left = asm_fuseload(as, lref, allow); - /* Add extra MOV if source is already in wrong register. */ - if (!LJ_64 && left != RID_MRM && !rset_test(allow, left)) { - Reg tmp = ra_scratch(as, allow); - emit_rr(as, op, dest, tmp); - emit_rr(as, XO_MOV, tmp, left); - } else { - emit_mrm(as, op, dest, left); - } - } else { /* 32/64 bit integer conversions. */ - if (LJ_32) { /* Only need to handle 32/32 bit no-op (cast) on x86. */ - Reg dest = ra_dest(as, ir, RSET_GPR); - ra_left(as, dest, lref); /* Do nothing, but may need to move regs. */ - } else if (irt_is64(ir->t)) { - Reg dest = ra_dest(as, ir, RSET_GPR); - if (st64 || !(ir->op2 & IRCONV_SEXT)) { - /* 64/64 bit no-op (cast) or 32 to 64 bit zero extension. */ - ra_left(as, dest, lref); /* Do nothing, but may need to move regs. */ - } else { /* 32 to 64 bit sign extension. */ - Reg left = asm_fuseload(as, lref, RSET_GPR); - emit_mrm(as, XO_MOVSXd, dest|REX_64, left); - } - } else { - Reg dest = ra_dest(as, ir, RSET_GPR); - if (st64) { - Reg left = asm_fuseload(as, lref, RSET_GPR); - /* This is either a 32 bit reg/reg mov which zeroes the hiword - ** or a load of the loword from a 64 bit address. - */ - emit_mrm(as, XO_MOV, dest, left); - } else { /* 32/32 bit no-op (cast). */ - ra_left(as, dest, lref); /* Do nothing, but may need to move regs. */ - } - } - } -} - -#if LJ_32 && LJ_HASFFI -/* No SSE conversions to/from 64 bit on x86, so resort to ugly x87 code. */ - -/* 64 bit integer to FP conversion in 32 bit mode. */ -static void asm_conv_fp_int64(ASMState *as, IRIns *ir) -{ - Reg hi = ra_alloc1(as, ir->op1, RSET_GPR); - Reg lo = ra_alloc1(as, (ir-1)->op1, rset_exclude(RSET_GPR, hi)); - int32_t ofs = sps_scale(ir->s); /* Use spill slot or temp slots. */ - Reg dest = ir->r; - if (ra_hasreg(dest)) { - ra_free(as, dest); - ra_modified(as, dest); - emit_rmro(as, irt_isnum(ir->t) ? XMM_MOVRM(as) : XO_MOVSS, - dest, RID_ESP, ofs); - } - emit_rmro(as, irt_isnum(ir->t) ? XO_FSTPq : XO_FSTPd, - irt_isnum(ir->t) ? XOg_FSTPq : XOg_FSTPd, RID_ESP, ofs); - if (((ir-1)->op2 & IRCONV_SRCMASK) == IRT_U64) { - /* For inputs in [2^63,2^64-1] add 2^64 to compensate. */ - MCLabel l_end = emit_label(as); - emit_rma(as, XO_FADDq, XOg_FADDq, - lj_ir_k64_find(as->J, U64x(43f00000,00000000))); - emit_sjcc(as, CC_NS, l_end); - emit_rr(as, XO_TEST, hi, hi); /* Check if u64 >= 2^63. */ - } else { - lua_assert(((ir-1)->op2 & IRCONV_SRCMASK) == IRT_I64); - } - emit_rmro(as, XO_FILDq, XOg_FILDq, RID_ESP, 0); - /* NYI: Avoid narrow-to-wide store-to-load forwarding stall. */ - emit_rmro(as, XO_MOVto, hi, RID_ESP, 4); - emit_rmro(as, XO_MOVto, lo, RID_ESP, 0); -} - -/* FP to 64 bit integer conversion in 32 bit mode. */ -static void asm_conv_int64_fp(ASMState *as, IRIns *ir) -{ - IRType st = (IRType)((ir-1)->op2 & IRCONV_SRCMASK); - IRType dt = (((ir-1)->op2 & IRCONV_DSTMASK) >> IRCONV_DSH); - Reg lo, hi; - lua_assert(st == IRT_NUM || st == IRT_FLOAT); - lua_assert(dt == IRT_I64 || dt == IRT_U64); - lua_assert(((ir-1)->op2 & IRCONV_TRUNC)); - hi = ra_dest(as, ir, RSET_GPR); - lo = ra_dest(as, ir-1, rset_exclude(RSET_GPR, hi)); - if (ra_used(ir-1)) emit_rmro(as, XO_MOV, lo, RID_ESP, 0); - /* NYI: Avoid wide-to-narrow store-to-load forwarding stall. */ - if (!(as->flags & JIT_F_SSE3)) { /* Set FPU rounding mode to default. */ - emit_rmro(as, XO_FLDCW, XOg_FLDCW, RID_ESP, 4); - emit_rmro(as, XO_MOVto, lo, RID_ESP, 4); - emit_gri(as, XG_ARITHi(XOg_AND), lo, 0xf3ff); - } - if (dt == IRT_U64) { - /* For inputs in [2^63,2^64-1] add -2^64 and convert again. */ - MCLabel l_pop, l_end = emit_label(as); - emit_x87op(as, XI_FPOP); - l_pop = emit_label(as); - emit_sjmp(as, l_end); - emit_rmro(as, XO_MOV, hi, RID_ESP, 4); - if ((as->flags & JIT_F_SSE3)) - emit_rmro(as, XO_FISTTPq, XOg_FISTTPq, RID_ESP, 0); - else - emit_rmro(as, XO_FISTPq, XOg_FISTPq, RID_ESP, 0); - emit_rma(as, XO_FADDq, XOg_FADDq, - lj_ir_k64_find(as->J, U64x(c3f00000,00000000))); - emit_sjcc(as, CC_NS, l_pop); - emit_rr(as, XO_TEST, hi, hi); /* Check if out-of-range (2^63). */ - } - emit_rmro(as, XO_MOV, hi, RID_ESP, 4); - if ((as->flags & JIT_F_SSE3)) { /* Truncation is easy with SSE3. */ - emit_rmro(as, XO_FISTTPq, XOg_FISTTPq, RID_ESP, 0); - } else { /* Otherwise set FPU rounding mode to truncate before the store. */ - emit_rmro(as, XO_FISTPq, XOg_FISTPq, RID_ESP, 0); - emit_rmro(as, XO_FLDCW, XOg_FLDCW, RID_ESP, 0); - emit_rmro(as, XO_MOVtow, lo, RID_ESP, 0); - emit_rmro(as, XO_ARITHw(XOg_OR), lo, RID_ESP, 0); - emit_loadi(as, lo, 0xc00); - emit_rmro(as, XO_FNSTCW, XOg_FNSTCW, RID_ESP, 0); - } - if (dt == IRT_U64) - emit_x87op(as, XI_FDUP); - emit_mrm(as, st == IRT_NUM ? XO_FLDq : XO_FLDd, - st == IRT_NUM ? XOg_FLDq: XOg_FLDd, - asm_fuseload(as, ir->op1, RSET_EMPTY)); -} -#endif - -static void asm_strto(ASMState *as, IRIns *ir) -{ - /* Force a spill slot for the destination register (if any). */ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_tonum]; - IRRef args[2]; - RegSet drop = RSET_SCRATCH; - if ((drop & RSET_FPR) != RSET_FPR && ra_hasreg(ir->r)) - rset_set(drop, ir->r); /* WIN64 doesn't spill all FPRs. */ - ra_evictset(as, drop); - asm_guardcc(as, CC_E); - emit_rr(as, XO_TEST, RID_RET, RID_RET); /* Test return status. */ - args[0] = ir->op1; /* GCstr *str */ - args[1] = ASMREF_TMP1; /* TValue *n */ - asm_gencall(as, ci, args); - /* Store the result to the spill slot or temp slots. */ - emit_rmro(as, XO_LEA, ra_releasetmp(as, ASMREF_TMP1)|REX_64, - RID_ESP, sps_scale(ir->s)); -} - -static void asm_tostr(ASMState *as, IRIns *ir) -{ - IRIns *irl = IR(ir->op1); - IRRef args[2]; - args[0] = ASMREF_L; - as->gcsteps++; - if (irt_isnum(irl->t)) { - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_fromnum]; - args[1] = ASMREF_TMP1; /* const lua_Number * */ - asm_setupresult(as, ir, ci); /* GCstr * */ - asm_gencall(as, ci, args); - emit_rmro(as, XO_LEA, ra_releasetmp(as, ASMREF_TMP1)|REX_64, - RID_ESP, ra_spill(as, irl)); - } else { - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_fromint]; - args[1] = ir->op1; /* int32_t k */ - asm_setupresult(as, ir, ci); /* GCstr * */ - asm_gencall(as, ci, args); - } -} - -/* -- Memory references --------------------------------------------------- */ - -static void asm_aref(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - asm_fusearef(as, ir, RSET_GPR); - if (!(as->mrm.idx == RID_NONE && as->mrm.ofs == 0)) - emit_mrm(as, XO_LEA, dest, RID_MRM); - else if (as->mrm.base != dest) - emit_rr(as, XO_MOV, dest, as->mrm.base); -} - -/* Merge NE(HREF, niltv) check. */ -static MCode *merge_href_niltv(ASMState *as, IRIns *ir) -{ - /* Assumes nothing else generates NE of HREF. */ - if ((ir[1].o == IR_NE || ir[1].o == IR_EQ) && ir[1].op1 == as->curins && - ra_hasreg(ir->r)) { - MCode *p = as->mcp; - p += (LJ_64 && *p != XI_ARITHi) ? 7+6 : 6+6; - /* Ensure no loop branch inversion happened. */ - if (p[-6] == 0x0f && p[-5] == XI_JCCn+(CC_NE^(ir[1].o & 1))) { - as->mcp = p; /* Kill cmp reg, imm32 + jz exit. */ - return p + *(int32_t *)(p-4); /* Return exit address. */ - } - } - return NULL; -} - -/* Inlined hash lookup. Specialized for key type and for const keys. -** The equivalent C code is: -** Node *n = hashkey(t, key); -** do { -** if (lj_obj_equal(&n->key, key)) return &n->val; -** } while ((n = nextnode(n))); -** return niltv(L); -*/ -static void asm_href(ASMState *as, IRIns *ir) -{ - MCode *nilexit = merge_href_niltv(as, ir); /* Do this before any restores. */ - RegSet allow = RSET_GPR; - Reg dest = ra_dest(as, ir, allow); - Reg tab = ra_alloc1(as, ir->op1, rset_clear(allow, dest)); - Reg key = RID_NONE, tmp = RID_NONE; - IRIns *irkey = IR(ir->op2); - int isk = irref_isk(ir->op2); - IRType1 kt = irkey->t; - uint32_t khash; - MCLabel l_end, l_loop, l_next; - - if (!isk) { - rset_clear(allow, tab); - key = ra_alloc1(as, ir->op2, irt_isnum(kt) ? RSET_FPR : allow); - if (!irt_isstr(kt)) - tmp = ra_scratch(as, rset_exclude(allow, key)); - } - - /* Key not found in chain: jump to exit (if merged with NE) or load niltv. */ - l_end = emit_label(as); - if (nilexit && ir[1].o == IR_NE) { - emit_jcc(as, CC_E, nilexit); /* XI_JMP is not found by lj_asm_patchexit. */ - nilexit = NULL; - } else { - emit_loada(as, dest, niltvg(J2G(as->J))); - } - - /* Follow hash chain until the end. */ - l_loop = emit_sjcc_label(as, CC_NZ); - emit_rr(as, XO_TEST, dest, dest); - emit_rmro(as, XO_MOV, dest, dest, offsetof(Node, next)); - l_next = emit_label(as); - - /* Type and value comparison. */ - if (nilexit) - emit_jcc(as, CC_E, nilexit); - else - emit_sjcc(as, CC_E, l_end); - if (irt_isnum(kt)) { - if (isk) { - /* Assumes -0.0 is already canonicalized to +0.0. */ - emit_gmroi(as, XG_ARITHi(XOg_CMP), dest, offsetof(Node, key.u32.lo), - (int32_t)ir_knum(irkey)->u32.lo); - emit_sjcc(as, CC_NE, l_next); - emit_gmroi(as, XG_ARITHi(XOg_CMP), dest, offsetof(Node, key.u32.hi), - (int32_t)ir_knum(irkey)->u32.hi); - } else { - emit_sjcc(as, CC_P, l_next); - emit_rmro(as, XO_UCOMISD, key, dest, offsetof(Node, key.n)); - emit_sjcc(as, CC_AE, l_next); - /* The type check avoids NaN penalties and complaints from Valgrind. */ -#if LJ_64 - emit_u32(as, LJ_TISNUM); - emit_rmro(as, XO_ARITHi, XOg_CMP, dest, offsetof(Node, key.it)); -#else - emit_i8(as, LJ_TISNUM); - emit_rmro(as, XO_ARITHi8, XOg_CMP, dest, offsetof(Node, key.it)); -#endif - } -#if LJ_64 - } else if (irt_islightud(kt)) { - emit_rmro(as, XO_CMP, key|REX_64, dest, offsetof(Node, key.u64)); -#endif - } else { - if (!irt_ispri(kt)) { - lua_assert(irt_isaddr(kt)); - if (isk) - emit_gmroi(as, XG_ARITHi(XOg_CMP), dest, offsetof(Node, key.gcr), - ptr2addr(ir_kgc(irkey))); - else - emit_rmro(as, XO_CMP, key, dest, offsetof(Node, key.gcr)); - emit_sjcc(as, CC_NE, l_next); - } - lua_assert(!irt_isnil(kt)); - emit_i8(as, irt_toitype(kt)); - emit_rmro(as, XO_ARITHi8, XOg_CMP, dest, offsetof(Node, key.it)); - } - emit_sfixup(as, l_loop); - checkmclim(as); - - /* Load main position relative to tab->node into dest. */ - khash = isk ? ir_khash(irkey) : 1; - if (khash == 0) { - emit_rmro(as, XO_MOV, dest, tab, offsetof(GCtab, node)); - } else { - emit_rmro(as, XO_ARITH(XOg_ADD), dest, tab, offsetof(GCtab, node)); - if ((as->flags & JIT_F_PREFER_IMUL)) { - emit_i8(as, sizeof(Node)); - emit_rr(as, XO_IMULi8, dest, dest); - } else { - emit_shifti(as, XOg_SHL, dest, 3); - emit_rmrxo(as, XO_LEA, dest, dest, dest, XM_SCALE2, 0); - } - if (isk) { - emit_gri(as, XG_ARITHi(XOg_AND), dest, (int32_t)khash); - emit_rmro(as, XO_MOV, dest, tab, offsetof(GCtab, hmask)); - } else if (irt_isstr(kt)) { - emit_rmro(as, XO_ARITH(XOg_AND), dest, key, offsetof(GCstr, hash)); - emit_rmro(as, XO_MOV, dest, tab, offsetof(GCtab, hmask)); - } else { /* Must match with hashrot() in lj_tab.c. */ - emit_rmro(as, XO_ARITH(XOg_AND), dest, tab, offsetof(GCtab, hmask)); - emit_rr(as, XO_ARITH(XOg_SUB), dest, tmp); - emit_shifti(as, XOg_ROL, tmp, HASH_ROT3); - emit_rr(as, XO_ARITH(XOg_XOR), dest, tmp); - emit_shifti(as, XOg_ROL, dest, HASH_ROT2); - emit_rr(as, XO_ARITH(XOg_SUB), tmp, dest); - emit_shifti(as, XOg_ROL, dest, HASH_ROT1); - emit_rr(as, XO_ARITH(XOg_XOR), tmp, dest); - if (irt_isnum(kt)) { - emit_rr(as, XO_ARITH(XOg_ADD), dest, dest); -#if LJ_64 - emit_shifti(as, XOg_SHR|REX_64, dest, 32); - emit_rr(as, XO_MOV, tmp, dest); - emit_rr(as, XO_MOVDto, key|REX_64, dest); -#else - emit_rmro(as, XO_MOV, dest, RID_ESP, ra_spill(as, irkey)+4); - emit_rr(as, XO_MOVDto, key, tmp); -#endif - } else { - emit_rr(as, XO_MOV, tmp, key); - emit_rmro(as, XO_LEA, dest, key, HASH_BIAS); - } - } - } -} - -static void asm_hrefk(ASMState *as, IRIns *ir) -{ - IRIns *kslot = IR(ir->op2); - IRIns *irkey = IR(kslot->op1); - int32_t ofs = (int32_t)(kslot->op2 * sizeof(Node)); - Reg dest = ra_used(ir) ? ra_dest(as, ir, RSET_GPR) : RID_NONE; - Reg node = ra_alloc1(as, ir->op1, RSET_GPR); -#if !LJ_64 - MCLabel l_exit; -#endif - lua_assert(ofs % sizeof(Node) == 0); - if (ra_hasreg(dest)) { - if (ofs != 0) { - if (dest == node && !(as->flags & JIT_F_LEA_AGU)) - emit_gri(as, XG_ARITHi(XOg_ADD), dest, ofs); - else - emit_rmro(as, XO_LEA, dest, node, ofs); - } else if (dest != node) { - emit_rr(as, XO_MOV, dest, node); - } - } - asm_guardcc(as, CC_NE); -#if LJ_64 - if (!irt_ispri(irkey->t)) { - Reg key = ra_scratch(as, rset_exclude(RSET_GPR, node)); - emit_rmro(as, XO_CMP, key|REX_64, node, - ofs + (int32_t)offsetof(Node, key.u64)); - lua_assert(irt_isnum(irkey->t) || irt_isgcv(irkey->t)); - /* Assumes -0.0 is already canonicalized to +0.0. */ - emit_loadu64(as, key, irt_isnum(irkey->t) ? ir_knum(irkey)->u64 : - ((uint64_t)irt_toitype(irkey->t) << 32) | - (uint64_t)(uint32_t)ptr2addr(ir_kgc(irkey))); - } else { - lua_assert(!irt_isnil(irkey->t)); - emit_i8(as, irt_toitype(irkey->t)); - emit_rmro(as, XO_ARITHi8, XOg_CMP, node, - ofs + (int32_t)offsetof(Node, key.it)); - } -#else - l_exit = emit_label(as); - if (irt_isnum(irkey->t)) { - /* Assumes -0.0 is already canonicalized to +0.0. */ - emit_gmroi(as, XG_ARITHi(XOg_CMP), node, - ofs + (int32_t)offsetof(Node, key.u32.lo), - (int32_t)ir_knum(irkey)->u32.lo); - emit_sjcc(as, CC_NE, l_exit); - emit_gmroi(as, XG_ARITHi(XOg_CMP), node, - ofs + (int32_t)offsetof(Node, key.u32.hi), - (int32_t)ir_knum(irkey)->u32.hi); - } else { - if (!irt_ispri(irkey->t)) { - lua_assert(irt_isgcv(irkey->t)); - emit_gmroi(as, XG_ARITHi(XOg_CMP), node, - ofs + (int32_t)offsetof(Node, key.gcr), - ptr2addr(ir_kgc(irkey))); - emit_sjcc(as, CC_NE, l_exit); - } - lua_assert(!irt_isnil(irkey->t)); - emit_i8(as, irt_toitype(irkey->t)); - emit_rmro(as, XO_ARITHi8, XOg_CMP, node, - ofs + (int32_t)offsetof(Node, key.it)); - } -#endif -} - -static void asm_newref(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_tab_newkey]; - IRRef args[3]; - IRIns *irkey; - Reg tmp; - args[0] = ASMREF_L; /* lua_State *L */ - args[1] = ir->op1; /* GCtab *t */ - args[2] = ASMREF_TMP1; /* cTValue *key */ - asm_setupresult(as, ir, ci); /* TValue * */ - asm_gencall(as, ci, args); - tmp = ra_releasetmp(as, ASMREF_TMP1); - irkey = IR(ir->op2); - if (irt_isnum(irkey->t)) { - /* For numbers use the constant itself or a spill slot as a TValue. */ - if (irref_isk(ir->op2)) - emit_loada(as, tmp, ir_knum(irkey)); - else - emit_rmro(as, XO_LEA, tmp|REX_64, RID_ESP, ra_spill(as, irkey)); - } else { - /* Otherwise use g->tmptv to hold the TValue. */ - if (!irref_isk(ir->op2)) { - Reg src = ra_alloc1(as, ir->op2, rset_exclude(RSET_GPR, tmp)); - emit_movtomro(as, REX_64IR(irkey, src), tmp, 0); - } else if (!irt_ispri(irkey->t)) { - emit_movmroi(as, tmp, 0, irkey->i); - } - if (!(LJ_64 && irt_islightud(irkey->t))) - emit_movmroi(as, tmp, 4, irt_toitype(irkey->t)); - emit_loada(as, tmp, &J2G(as->J)->tmptv); - } -} - -static void asm_uref(ASMState *as, IRIns *ir) -{ - /* NYI: Check that UREFO is still open and not aliasing a slot. */ - Reg dest = ra_dest(as, ir, RSET_GPR); - if (irref_isk(ir->op1)) { - GCfunc *fn = ir_kfunc(IR(ir->op1)); - MRef *v = &gcref(fn->l.uvptr[(ir->op2 >> 8)])->uv.v; - emit_rma(as, XO_MOV, dest, v); - } else { - Reg uv = ra_scratch(as, RSET_GPR); - Reg func = ra_alloc1(as, ir->op1, RSET_GPR); - if (ir->o == IR_UREFC) { - emit_rmro(as, XO_LEA, dest, uv, offsetof(GCupval, tv)); - asm_guardcc(as, CC_NE); - emit_i8(as, 1); - emit_rmro(as, XO_ARITHib, XOg_CMP, uv, offsetof(GCupval, closed)); - } else { - emit_rmro(as, XO_MOV, dest, uv, offsetof(GCupval, v)); - } - emit_rmro(as, XO_MOV, uv, func, - (int32_t)offsetof(GCfuncL, uvptr) + 4*(int32_t)(ir->op2 >> 8)); - } -} - -static void asm_fref(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - asm_fusefref(as, ir, RSET_GPR); - emit_mrm(as, XO_LEA, dest, RID_MRM); -} - -static void asm_strref(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - asm_fusestrref(as, ir, RSET_GPR); - if (as->mrm.base == RID_NONE) - emit_loadi(as, dest, as->mrm.ofs); - else if (as->mrm.base == dest && as->mrm.idx == RID_NONE) - emit_gri(as, XG_ARITHi(XOg_ADD), dest, as->mrm.ofs); - else - emit_mrm(as, XO_LEA, dest, RID_MRM); -} - -/* -- Loads and stores ---------------------------------------------------- */ - -static void asm_fxload(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, irt_isfp(ir->t) ? RSET_FPR : RSET_GPR); - x86Op xo; - if (ir->o == IR_FLOAD) - asm_fusefref(as, ir, RSET_GPR); - else - asm_fusexref(as, ir->op1, RSET_GPR); - /* ir->op2 is ignored -- unaligned loads are ok on x86. */ - switch (irt_type(ir->t)) { - case IRT_I8: xo = XO_MOVSXb; break; - case IRT_U8: xo = XO_MOVZXb; break; - case IRT_I16: xo = XO_MOVSXw; break; - case IRT_U16: xo = XO_MOVZXw; break; - case IRT_NUM: xo = XMM_MOVRM(as); break; - case IRT_FLOAT: xo = XO_MOVSS; break; - default: - if (LJ_64 && irt_is64(ir->t)) - dest |= REX_64; - else - lua_assert(irt_isint(ir->t) || irt_isu32(ir->t) || irt_isaddr(ir->t)); - xo = XO_MOV; - break; - } - emit_mrm(as, xo, dest, RID_MRM); -} - -static void asm_fxstore(ASMState *as, IRIns *ir) -{ - RegSet allow = RSET_GPR; - Reg src = RID_NONE, osrc = RID_NONE; - int32_t k = 0; - /* The IRT_I16/IRT_U16 stores should never be simplified for constant - ** values since mov word [mem], imm16 has a length-changing prefix. - */ - if (irt_isi16(ir->t) || irt_isu16(ir->t) || irt_isfp(ir->t) || - !asm_isk32(as, ir->op2, &k)) { - RegSet allow8 = irt_isfp(ir->t) ? RSET_FPR : - (irt_isi8(ir->t) || irt_isu8(ir->t)) ? RSET_GPR8 : RSET_GPR; - src = osrc = ra_alloc1(as, ir->op2, allow8); - if (!LJ_64 && !rset_test(allow8, src)) { /* Already in wrong register. */ - rset_clear(allow, osrc); - src = ra_scratch(as, allow8); - } - rset_clear(allow, src); - } - if (ir->o == IR_FSTORE) - asm_fusefref(as, IR(ir->op1), allow); - else - asm_fusexref(as, ir->op1, allow); - /* ir->op2 is ignored -- unaligned stores are ok on x86. */ - if (ra_hasreg(src)) { - x86Op xo; - switch (irt_type(ir->t)) { - case IRT_I8: case IRT_U8: xo = XO_MOVtob; src |= FORCE_REX; break; - case IRT_I16: case IRT_U16: xo = XO_MOVtow; break; - case IRT_NUM: xo = XO_MOVSDto; break; - case IRT_FLOAT: xo = XO_MOVSSto; break; -#if LJ_64 - case IRT_LIGHTUD: lua_assert(0); /* NYI: mask 64 bit lightuserdata. */ -#endif - default: - if (LJ_64 && irt_is64(ir->t)) - src |= REX_64; - else - lua_assert(irt_isint(ir->t) || irt_isu32(ir->t) || irt_isaddr(ir->t)); - xo = XO_MOVto; - break; - } - emit_mrm(as, xo, src, RID_MRM); - if (!LJ_64 && src != osrc) { - ra_noweak(as, osrc); - emit_rr(as, XO_MOV, src, osrc); - } - } else { - if (irt_isi8(ir->t) || irt_isu8(ir->t)) { - emit_i8(as, k); - emit_mrm(as, XO_MOVmib, 0, RID_MRM); - } else { - lua_assert(irt_is64(ir->t) || irt_isint(ir->t) || irt_isu32(ir->t) || - irt_isaddr(ir->t)); - emit_i32(as, k); - emit_mrm(as, XO_MOVmi, REX_64IR(ir, 0), RID_MRM); - } - } -} - -#if LJ_64 -static Reg asm_load_lightud64(ASMState *as, IRIns *ir, int typecheck) -{ - if (ra_used(ir) || typecheck) { - Reg dest = ra_dest(as, ir, RSET_GPR); - if (typecheck) { - Reg tmp = ra_scratch(as, rset_exclude(RSET_GPR, dest)); - asm_guardcc(as, CC_NE); - emit_i8(as, -2); - emit_rr(as, XO_ARITHi8, XOg_CMP, tmp); - emit_shifti(as, XOg_SAR|REX_64, tmp, 47); - emit_rr(as, XO_MOV, tmp|REX_64, dest); - } - return dest; - } else { - return RID_NONE; - } -} -#endif - -static void asm_ahuvload(ASMState *as, IRIns *ir) -{ - lua_assert(irt_isnum(ir->t) || irt_ispri(ir->t) || irt_isaddr(ir->t) || - (LJ_DUALNUM && irt_isint(ir->t))); -#if LJ_64 - if (irt_islightud(ir->t)) { - Reg dest = asm_load_lightud64(as, ir, 1); - if (ra_hasreg(dest)) { - asm_fuseahuref(as, ir->op1, RSET_GPR); - emit_mrm(as, XO_MOV, dest|REX_64, RID_MRM); - } - return; - } else -#endif - if (ra_used(ir)) { - RegSet allow = irt_isnum(ir->t) ? RSET_FPR : RSET_GPR; - Reg dest = ra_dest(as, ir, allow); - asm_fuseahuref(as, ir->op1, RSET_GPR); - emit_mrm(as, dest < RID_MAX_GPR ? XO_MOV : XMM_MOVRM(as), dest, RID_MRM); - } else { - asm_fuseahuref(as, ir->op1, RSET_GPR); - } - /* Always do the type check, even if the load result is unused. */ - as->mrm.ofs += 4; - asm_guardcc(as, irt_isnum(ir->t) ? CC_AE : CC_NE); - if (LJ_64 && irt_type(ir->t) >= IRT_NUM) { - lua_assert(irt_isinteger(ir->t) || irt_isnum(ir->t)); - emit_u32(as, LJ_TISNUM); - emit_mrm(as, XO_ARITHi, XOg_CMP, RID_MRM); - } else { - emit_i8(as, irt_toitype(ir->t)); - emit_mrm(as, XO_ARITHi8, XOg_CMP, RID_MRM); - } -} - -static void asm_ahustore(ASMState *as, IRIns *ir) -{ - if (irt_isnum(ir->t)) { - Reg src = ra_alloc1(as, ir->op2, RSET_FPR); - asm_fuseahuref(as, ir->op1, RSET_GPR); - emit_mrm(as, XO_MOVSDto, src, RID_MRM); -#if LJ_64 - } else if (irt_islightud(ir->t)) { - Reg src = ra_alloc1(as, ir->op2, RSET_GPR); - asm_fuseahuref(as, ir->op1, rset_exclude(RSET_GPR, src)); - emit_mrm(as, XO_MOVto, src|REX_64, RID_MRM); -#endif - } else { - IRIns *irr = IR(ir->op2); - RegSet allow = RSET_GPR; - Reg src = RID_NONE; - if (!irref_isk(ir->op2)) { - src = ra_alloc1(as, ir->op2, allow); - rset_clear(allow, src); - } - asm_fuseahuref(as, ir->op1, allow); - if (ra_hasreg(src)) { - emit_mrm(as, XO_MOVto, src, RID_MRM); - } else if (!irt_ispri(irr->t)) { - lua_assert(irt_isaddr(ir->t) || (LJ_DUALNUM && irt_isinteger(ir->t))); - emit_i32(as, irr->i); - emit_mrm(as, XO_MOVmi, 0, RID_MRM); - } - as->mrm.ofs += 4; - emit_i32(as, (int32_t)irt_toitype(ir->t)); - emit_mrm(as, XO_MOVmi, 0, RID_MRM); - } -} - -static void asm_sload(ASMState *as, IRIns *ir) -{ - int32_t ofs = 8*((int32_t)ir->op1-1) + ((ir->op2 & IRSLOAD_FRAME) ? 4 : 0); - IRType1 t = ir->t; - Reg base; - lua_assert(!(ir->op2 & IRSLOAD_PARENT)); /* Handled by asm_head_side(). */ - lua_assert(irt_isguard(t) || !(ir->op2 & IRSLOAD_TYPECHECK)); - lua_assert(LJ_DUALNUM || - !irt_isint(t) || (ir->op2 & (IRSLOAD_CONVERT|IRSLOAD_FRAME))); - if ((ir->op2 & IRSLOAD_CONVERT) && irt_isguard(t) && irt_isint(t)) { - Reg left = ra_scratch(as, RSET_FPR); - asm_tointg(as, ir, left); /* Frees dest reg. Do this before base alloc. */ - base = ra_alloc1(as, REF_BASE, RSET_GPR); - emit_rmro(as, XMM_MOVRM(as), left, base, ofs); - t.irt = IRT_NUM; /* Continue with a regular number type check. */ -#if LJ_64 - } else if (irt_islightud(t)) { - Reg dest = asm_load_lightud64(as, ir, (ir->op2 & IRSLOAD_TYPECHECK)); - if (ra_hasreg(dest)) { - base = ra_alloc1(as, REF_BASE, RSET_GPR); - emit_rmro(as, XO_MOV, dest|REX_64, base, ofs); - } - return; -#endif - } else if (ra_used(ir)) { - RegSet allow = irt_isnum(t) ? RSET_FPR : RSET_GPR; - Reg dest = ra_dest(as, ir, allow); - base = ra_alloc1(as, REF_BASE, RSET_GPR); - lua_assert(irt_isnum(t) || irt_isint(t) || irt_isaddr(t)); - if ((ir->op2 & IRSLOAD_CONVERT)) { - t.irt = irt_isint(t) ? IRT_NUM : IRT_INT; /* Check for original type. */ - emit_rmro(as, irt_isint(t) ? XO_CVTSI2SD : XO_CVTSD2SI, dest, base, ofs); - } else if (irt_isnum(t)) { - emit_rmro(as, XMM_MOVRM(as), dest, base, ofs); - } else { - emit_rmro(as, XO_MOV, dest, base, ofs); - } - } else { - if (!(ir->op2 & IRSLOAD_TYPECHECK)) - return; /* No type check: avoid base alloc. */ - base = ra_alloc1(as, REF_BASE, RSET_GPR); - } - if ((ir->op2 & IRSLOAD_TYPECHECK)) { - /* Need type check, even if the load result is unused. */ - asm_guardcc(as, irt_isnum(t) ? CC_AE : CC_NE); - if (LJ_64 && irt_type(t) >= IRT_NUM) { - lua_assert(irt_isinteger(t) || irt_isnum(t)); - emit_u32(as, LJ_TISNUM); - emit_rmro(as, XO_ARITHi, XOg_CMP, base, ofs+4); - } else { - emit_i8(as, irt_toitype(t)); - emit_rmro(as, XO_ARITHi8, XOg_CMP, base, ofs+4); - } - } -} - -/* -- Allocations --------------------------------------------------------- */ - -#if LJ_HASFFI -static void asm_cnew(ASMState *as, IRIns *ir) -{ - CTState *cts = ctype_ctsG(J2G(as->J)); - CTypeID typeid = (CTypeID)IR(ir->op1)->i; - CTSize sz = (ir->o == IR_CNEWI || ir->op2 == REF_NIL) ? - lj_ctype_size(cts, typeid) : (CTSize)IR(ir->op2)->i; - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_mem_newgco]; - IRRef args[2]; - lua_assert(sz != CTSIZE_INVALID); - - args[0] = ASMREF_L; /* lua_State *L */ - args[1] = ASMREF_TMP1; /* MSize size */ - as->gcsteps++; - asm_setupresult(as, ir, ci); /* GCcdata * */ - - /* Initialize immutable cdata object. */ - if (ir->o == IR_CNEWI) { - RegSet allow = (RSET_GPR & ~RSET_SCRATCH); -#if LJ_64 - Reg r64 = sz == 8 ? REX_64 : 0; - if (irref_isk(ir->op2)) { - IRIns *irk = IR(ir->op2); - uint64_t k = irk->o == IR_KINT64 ? ir_k64(irk)->u64 : - (uint64_t)(uint32_t)irk->i; - if (sz == 4 || checki32((int64_t)k)) { - emit_i32(as, (int32_t)k); - emit_rmro(as, XO_MOVmi, r64, RID_RET, sizeof(GCcdata)); - } else { - emit_movtomro(as, RID_ECX + r64, RID_RET, sizeof(GCcdata)); - emit_loadu64(as, RID_ECX, k); - } - } else { - Reg r = ra_alloc1(as, ir->op2, allow); - emit_movtomro(as, r + r64, RID_RET, sizeof(GCcdata)); - } -#else - int32_t ofs = sizeof(GCcdata); - if (sz == 8) { - ofs += 4; ir++; - lua_assert(ir->o == IR_HIOP); - } - do { - if (irref_isk(ir->op2)) { - emit_movmroi(as, RID_RET, ofs, IR(ir->op2)->i); - } else { - Reg r = ra_alloc1(as, ir->op2, allow); - emit_movtomro(as, r, RID_RET, ofs); - rset_clear(allow, r); - } - if (ofs == sizeof(GCcdata)) break; - ofs -= 4; ir--; - } while (1); -#endif - lua_assert(sz == 4 || sz == 8); - } - - /* Combine initialization of marked, gct and typeid. */ - emit_movtomro(as, RID_ECX, RID_RET, offsetof(GCcdata, marked)); - emit_gri(as, XG_ARITHi(XOg_OR), RID_ECX, - (int32_t)((~LJ_TCDATA<<8)+(typeid<<16))); - emit_gri(as, XG_ARITHi(XOg_AND), RID_ECX, LJ_GC_WHITES); - emit_opgl(as, XO_MOVZXb, RID_ECX, gc.currentwhite); - - asm_gencall(as, ci, args); - emit_loadi(as, ra_releasetmp(as, ASMREF_TMP1), (int32_t)(sz+sizeof(GCcdata))); -} -#else -#define asm_cnew(as, ir) ((void)0) -#endif - -/* -- Write barriers ------------------------------------------------------ */ - -static void asm_tbar(ASMState *as, IRIns *ir) -{ - Reg tab = ra_alloc1(as, ir->op1, RSET_GPR); - Reg tmp = ra_scratch(as, rset_exclude(RSET_GPR, tab)); - MCLabel l_end = emit_label(as); - emit_movtomro(as, tmp, tab, offsetof(GCtab, gclist)); - emit_setgl(as, tab, gc.grayagain); - emit_getgl(as, tmp, gc.grayagain); - emit_i8(as, ~LJ_GC_BLACK); - emit_rmro(as, XO_ARITHib, XOg_AND, tab, offsetof(GCtab, marked)); - emit_sjcc(as, CC_Z, l_end); - emit_i8(as, LJ_GC_BLACK); - emit_rmro(as, XO_GROUP3b, XOg_TEST, tab, offsetof(GCtab, marked)); -} - -static void asm_obar(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_gc_barrieruv]; - IRRef args[2]; - MCLabel l_end; - Reg obj; - /* No need for other object barriers (yet). */ - lua_assert(IR(ir->op1)->o == IR_UREFC); - ra_evictset(as, RSET_SCRATCH); - l_end = emit_label(as); - args[0] = ASMREF_TMP1; /* global_State *g */ - args[1] = ir->op1; /* TValue *tv */ - asm_gencall(as, ci, args); - emit_loada(as, ra_releasetmp(as, ASMREF_TMP1), J2G(as->J)); - obj = IR(ir->op1)->r; - emit_sjcc(as, CC_Z, l_end); - emit_i8(as, LJ_GC_WHITES); - if (irref_isk(ir->op2)) { - GCobj *vp = ir_kgc(IR(ir->op2)); - emit_rma(as, XO_GROUP3b, XOg_TEST, &vp->gch.marked); - } else { - Reg val = ra_alloc1(as, ir->op2, rset_exclude(RSET_SCRATCH&RSET_GPR, obj)); - emit_rmro(as, XO_GROUP3b, XOg_TEST, val, (int32_t)offsetof(GChead, marked)); - } - emit_sjcc(as, CC_Z, l_end); - emit_i8(as, LJ_GC_BLACK); - emit_rmro(as, XO_GROUP3b, XOg_TEST, obj, - (int32_t)offsetof(GCupval, marked)-(int32_t)offsetof(GCupval, tv)); -} - -/* -- FP/int arithmetic and logic operations ------------------------------ */ - -/* Load reference onto x87 stack. Force a spill to memory if needed. */ -static void asm_x87load(ASMState *as, IRRef ref) -{ - IRIns *ir = IR(ref); - if (ir->o == IR_KNUM) { - cTValue *tv = ir_knum(ir); - if (tvispzero(tv)) /* Use fldz only for +0. */ - emit_x87op(as, XI_FLDZ); - else if (tvispone(tv)) - emit_x87op(as, XI_FLD1); - else - emit_rma(as, XO_FLDq, XOg_FLDq, tv); - } else if (ir->o == IR_CONV && ir->op2 == IRCONV_NUM_INT && !ra_used(ir) && - !irref_isk(ir->op1) && mayfuse(as, ir->op1)) { - IRIns *iri = IR(ir->op1); - emit_rmro(as, XO_FILDd, XOg_FILDd, RID_ESP, ra_spill(as, iri)); - } else { - emit_mrm(as, XO_FLDq, XOg_FLDq, asm_fuseload(as, ref, RSET_EMPTY)); - } -} - -/* Try to rejoin pow from EXP2, MUL and LOG2 (if still unsplit). */ -static int fpmjoin_pow(ASMState *as, IRIns *ir) -{ - IRIns *irp = IR(ir->op1); - if (irp == ir-1 && irp->o == IR_MUL && !ra_used(irp)) { - IRIns *irpp = IR(irp->op1); - if (irpp == ir-2 && irpp->o == IR_FPMATH && - irpp->op2 == IRFPM_LOG2 && !ra_used(irpp)) { - /* The modified regs must match with the *.dasc implementation. */ - RegSet drop = RSET_RANGE(RID_XMM0, RID_XMM2+1)|RID2RSET(RID_EAX); - IRIns *irx; - if (ra_hasreg(ir->r)) - rset_clear(drop, ir->r); /* Dest reg handled below. */ - ra_evictset(as, drop); - ra_destreg(as, ir, RID_XMM0); - emit_call(as, lj_vm_pow_sse); - irx = IR(irpp->op1); - if (ra_noreg(irx->r) && ra_gethint(irx->r) == RID_XMM1) - irx->r = RID_INIT; /* Avoid allocating xmm1 for x. */ - ra_left(as, RID_XMM0, irpp->op1); - ra_left(as, RID_XMM1, irp->op2); - return 1; - } - } - return 0; -} - -static void asm_fpmath(ASMState *as, IRIns *ir) -{ - IRFPMathOp fpm = ir->o == IR_FPMATH ? (IRFPMathOp)ir->op2 : IRFPM_OTHER; - if (fpm == IRFPM_SQRT) { - Reg dest = ra_dest(as, ir, RSET_FPR); - Reg left = asm_fuseload(as, ir->op1, RSET_FPR); - emit_mrm(as, XO_SQRTSD, dest, left); - } else if (fpm <= IRFPM_TRUNC) { - if (as->flags & JIT_F_SSE4_1) { /* SSE4.1 has a rounding instruction. */ - Reg dest = ra_dest(as, ir, RSET_FPR); - Reg left = asm_fuseload(as, ir->op1, RSET_FPR); - /* ROUNDSD has a 4-byte opcode which doesn't fit in x86Op. - ** Let's pretend it's a 3-byte opcode, and compensate afterwards. - ** This is atrocious, but the alternatives are much worse. - */ - /* Round down/up/trunc == 1001/1010/1011. */ - emit_i8(as, 0x09 + fpm); - emit_mrm(as, XO_ROUNDSD, dest, left); - if (LJ_64 && as->mcp[1] != (MCode)(XO_ROUNDSD >> 16)) { - as->mcp[0] = as->mcp[1]; as->mcp[1] = 0x0f; /* Swap 0F and REX. */ - } - *--as->mcp = 0x66; /* 1st byte of ROUNDSD opcode. */ - } else { /* Call helper functions for SSE2 variant. */ - /* The modified regs must match with the *.dasc implementation. */ - RegSet drop = RSET_RANGE(RID_XMM0, RID_XMM3+1)|RID2RSET(RID_EAX); - if (ra_hasreg(ir->r)) - rset_clear(drop, ir->r); /* Dest reg handled below. */ - ra_evictset(as, drop); - ra_destreg(as, ir, RID_XMM0); - emit_call(as, fpm == IRFPM_FLOOR ? lj_vm_floor_sse : - fpm == IRFPM_CEIL ? lj_vm_ceil_sse : lj_vm_trunc_sse); - ra_left(as, RID_XMM0, ir->op1); - } - } else if (fpm == IRFPM_EXP2 && fpmjoin_pow(as, ir)) { - /* Rejoined to pow(). */ - } else { /* Handle x87 ops. */ - int32_t ofs = sps_scale(ir->s); /* Use spill slot or temp slots. */ - Reg dest = ir->r; - if (ra_hasreg(dest)) { - ra_free(as, dest); - ra_modified(as, dest); - emit_rmro(as, XMM_MOVRM(as), dest, RID_ESP, ofs); - } - emit_rmro(as, XO_FSTPq, XOg_FSTPq, RID_ESP, ofs); - switch (fpm) { /* st0 = lj_vm_*(st0) */ - case IRFPM_EXP: emit_call(as, lj_vm_exp_x87); break; - case IRFPM_EXP2: emit_call(as, lj_vm_exp2_x87); break; - case IRFPM_SIN: emit_x87op(as, XI_FSIN); break; - case IRFPM_COS: emit_x87op(as, XI_FCOS); break; - case IRFPM_TAN: emit_x87op(as, XI_FPOP); emit_x87op(as, XI_FPTAN); break; - case IRFPM_LOG: case IRFPM_LOG2: case IRFPM_LOG10: - /* Note: the use of fyl2xp1 would be pointless here. When computing - ** log(1.0+eps) the precision is already lost after 1.0 is added. - ** Subtracting 1.0 won't recover it. OTOH math.log1p would make sense. - */ - emit_x87op(as, XI_FYL2X); break; - case IRFPM_OTHER: - switch (ir->o) { - case IR_ATAN2: - emit_x87op(as, XI_FPATAN); asm_x87load(as, ir->op2); break; - case IR_LDEXP: - emit_x87op(as, XI_FPOP1); emit_x87op(as, XI_FSCALE); break; - default: lua_assert(0); break; - } - break; - default: lua_assert(0); break; - } - asm_x87load(as, ir->op1); - switch (fpm) { - case IRFPM_LOG: emit_x87op(as, XI_FLDLN2); break; - case IRFPM_LOG2: emit_x87op(as, XI_FLD1); break; - case IRFPM_LOG10: emit_x87op(as, XI_FLDLG2); break; - case IRFPM_OTHER: - if (ir->o == IR_LDEXP) asm_x87load(as, ir->op2); - break; - default: break; - } - } -} - -static void asm_fppowi(ASMState *as, IRIns *ir) -{ - /* The modified regs must match with the *.dasc implementation. */ - RegSet drop = RSET_RANGE(RID_XMM0, RID_XMM1+1)|RID2RSET(RID_EAX); - if (ra_hasreg(ir->r)) - rset_clear(drop, ir->r); /* Dest reg handled below. */ - ra_evictset(as, drop); - ra_destreg(as, ir, RID_XMM0); - emit_call(as, lj_vm_powi_sse); - ra_left(as, RID_XMM0, ir->op1); - ra_left(as, RID_EAX, ir->op2); -} - -#if LJ_64 && LJ_HASFFI -static void asm_arith64(ASMState *as, IRIns *ir, IRCallID id) -{ - const CCallInfo *ci = &lj_ir_callinfo[id]; - IRRef args[2]; - args[0] = ir->op1; - args[1] = ir->op2; - asm_setupresult(as, ir, ci); - asm_gencall(as, ci, args); -} -#endif - -static void asm_intmod(ASMState *as, IRIns *ir) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_vm_modi]; - IRRef args[2]; - args[0] = ir->op1; - args[1] = ir->op2; - asm_setupresult(as, ir, ci); - asm_gencall(as, ci, args); -} - -static int asm_swapops(ASMState *as, IRIns *ir) -{ - IRIns *irl = IR(ir->op1); - IRIns *irr = IR(ir->op2); - lua_assert(ra_noreg(irr->r)); - if (!irm_iscomm(lj_ir_mode[ir->o])) - return 0; /* Can't swap non-commutative operations. */ - if (irref_isk(ir->op2)) - return 0; /* Don't swap constants to the left. */ - if (ra_hasreg(irl->r)) - return 1; /* Swap if left already has a register. */ - if (ra_samehint(ir->r, irr->r)) - return 1; /* Swap if dest and right have matching hints. */ - if (as->curins > as->loopref) { /* In variant part? */ - if (ir->op2 < as->loopref && !irt_isphi(irr->t)) - return 0; /* Keep invariants on the right. */ - if (ir->op1 < as->loopref && !irt_isphi(irl->t)) - return 1; /* Swap invariants to the right. */ - } - if (opisfusableload(irl->o)) - return 1; /* Swap fusable loads to the right. */ - return 0; /* Otherwise don't swap. */ -} - -static void asm_fparith(ASMState *as, IRIns *ir, x86Op xo) -{ - IRRef lref = ir->op1; - IRRef rref = ir->op2; - RegSet allow = RSET_FPR; - Reg dest; - Reg right = IR(rref)->r; - if (ra_hasreg(right)) { - rset_clear(allow, right); - ra_noweak(as, right); - } - dest = ra_dest(as, ir, allow); - if (lref == rref) { - right = dest; - } else if (ra_noreg(right)) { - if (asm_swapops(as, ir)) { - IRRef tmp = lref; lref = rref; rref = tmp; - } - right = asm_fuseload(as, rref, rset_clear(allow, dest)); - } - emit_mrm(as, xo, dest, right); - ra_left(as, dest, lref); -} - -static void asm_intarith(ASMState *as, IRIns *ir, x86Arith xa) -{ - IRRef lref = ir->op1; - IRRef rref = ir->op2; - RegSet allow = RSET_GPR; - Reg dest, right; - int32_t k = 0; - if (as->flagmcp == as->mcp) { /* Drop test r,r instruction. */ - as->flagmcp = NULL; - as->mcp += (LJ_64 && *as->mcp != XI_TEST) ? 3 : 2; - } - right = IR(rref)->r; - if (ra_hasreg(right)) { - rset_clear(allow, right); - ra_noweak(as, right); - } - dest = ra_dest(as, ir, allow); - if (lref == rref) { - right = dest; - } else if (ra_noreg(right) && !asm_isk32(as, rref, &k)) { - if (asm_swapops(as, ir)) { - IRRef tmp = lref; lref = rref; rref = tmp; - } - right = asm_fuseload(as, rref, rset_clear(allow, dest)); - } - if (irt_isguard(ir->t)) /* For IR_ADDOV etc. */ - asm_guardcc(as, CC_O); - if (xa != XOg_X_IMUL) { - if (ra_hasreg(right)) - emit_mrm(as, XO_ARITH(xa), REX_64IR(ir, dest), right); - else - emit_gri(as, XG_ARITHi(xa), REX_64IR(ir, dest), k); - } else if (ra_hasreg(right)) { /* IMUL r, mrm. */ - emit_mrm(as, XO_IMUL, REX_64IR(ir, dest), right); - } else { /* IMUL r, r, k. */ - /* NYI: use lea/shl/add/sub (FOLD only does 2^k) depending on CPU. */ - Reg left = asm_fuseload(as, lref, RSET_GPR); - x86Op xo; - if (checki8(k)) { emit_i8(as, k); xo = XO_IMULi8; - } else { emit_i32(as, k); xo = XO_IMULi; } - emit_mrm(as, xo, REX_64IR(ir, dest), left); - return; - } - ra_left(as, dest, lref); -} - -/* LEA is really a 4-operand ADD with an independent destination register, -** up to two source registers and an immediate. One register can be scaled -** by 1, 2, 4 or 8. This can be used to avoid moves or to fuse several -** instructions. -** -** Currently only a few common cases are supported: -** - 3-operand ADD: y = a+b; y = a+k with a and b already allocated -** - Left ADD fusion: y = (a+b)+k; y = (a+k)+b -** - Right ADD fusion: y = a+(b+k) -** The ommited variants have already been reduced by FOLD. -** -** There are more fusion opportunities, like gathering shifts or joining -** common references. But these are probably not worth the trouble, since -** array indexing is not decomposed and already makes use of all fields -** of the ModRM operand. -*/ -static int asm_lea(ASMState *as, IRIns *ir) -{ - IRIns *irl = IR(ir->op1); - IRIns *irr = IR(ir->op2); - RegSet allow = RSET_GPR; - Reg dest; - as->mrm.base = as->mrm.idx = RID_NONE; - as->mrm.scale = XM_SCALE1; - as->mrm.ofs = 0; - if (ra_hasreg(irl->r)) { - rset_clear(allow, irl->r); - ra_noweak(as, irl->r); - as->mrm.base = irl->r; - if (irref_isk(ir->op2) || ra_hasreg(irr->r)) { - /* The PHI renaming logic does a better job in some cases. */ - if (ra_hasreg(ir->r) && - ((irt_isphi(irl->t) && as->phireg[ir->r] == ir->op1) || - (irt_isphi(irr->t) && as->phireg[ir->r] == ir->op2))) - return 0; - if (irref_isk(ir->op2)) { - as->mrm.ofs = irr->i; - } else { - rset_clear(allow, irr->r); - ra_noweak(as, irr->r); - as->mrm.idx = irr->r; - } - } else if (irr->o == IR_ADD && mayfuse(as, ir->op2) && - irref_isk(irr->op2)) { - Reg idx = ra_alloc1(as, irr->op1, allow); - rset_clear(allow, idx); - as->mrm.idx = (uint8_t)idx; - as->mrm.ofs = IR(irr->op2)->i; - } else { - return 0; - } - } else if (ir->op1 != ir->op2 && irl->o == IR_ADD && mayfuse(as, ir->op1) && - (irref_isk(ir->op2) || irref_isk(irl->op2))) { - Reg idx, base = ra_alloc1(as, irl->op1, allow); - rset_clear(allow, base); - as->mrm.base = (uint8_t)base; - if (irref_isk(ir->op2)) { - as->mrm.ofs = irr->i; - idx = ra_alloc1(as, irl->op2, allow); - } else { - as->mrm.ofs = IR(irl->op2)->i; - idx = ra_alloc1(as, ir->op2, allow); - } - rset_clear(allow, idx); - as->mrm.idx = (uint8_t)idx; - } else { - return 0; - } - dest = ra_dest(as, ir, allow); - emit_mrm(as, XO_LEA, dest, RID_MRM); - return 1; /* Success. */ -} - -static void asm_add(ASMState *as, IRIns *ir) -{ - if (irt_isnum(ir->t)) - asm_fparith(as, ir, XO_ADDSD); - else if ((as->flags & JIT_F_LEA_AGU) || as->flagmcp == as->mcp || - irt_is64(ir->t) || !asm_lea(as, ir)) - asm_intarith(as, ir, XOg_ADD); -} - -static void asm_neg_not(ASMState *as, IRIns *ir, x86Group3 xg) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - emit_rr(as, XO_GROUP3, REX_64IR(ir, xg), dest); - ra_left(as, dest, ir->op1); -} - -static void asm_min_max(ASMState *as, IRIns *ir, int cc) -{ - Reg right, dest = ra_dest(as, ir, RSET_GPR); - IRRef lref = ir->op1, rref = ir->op2; - if (irref_isk(rref)) { lref = rref; rref = ir->op1; } - right = ra_alloc1(as, rref, rset_exclude(RSET_GPR, dest)); - emit_rr(as, XO_CMOV + (cc<<24), REX_64IR(ir, dest), right); - emit_rr(as, XO_CMP, REX_64IR(ir, dest), right); - ra_left(as, dest, lref); -} - -static void asm_bitswap(ASMState *as, IRIns *ir) -{ - Reg dest = ra_dest(as, ir, RSET_GPR); - as->mcp = emit_op(XO_BSWAP + ((dest&7) << 24), - REX_64IR(ir, 0), dest, 0, as->mcp, 1); - ra_left(as, dest, ir->op1); -} - -static void asm_bitshift(ASMState *as, IRIns *ir, x86Shift xs) -{ - IRRef rref = ir->op2; - IRIns *irr = IR(rref); - Reg dest; - if (irref_isk(rref)) { /* Constant shifts. */ - int shift; - dest = ra_dest(as, ir, RSET_GPR); - shift = irr->i & (irt_is64(ir->t) ? 63 : 31); - switch (shift) { - case 0: break; - case 1: emit_rr(as, XO_SHIFT1, REX_64IR(ir, xs), dest); break; - default: emit_shifti(as, REX_64IR(ir, xs), dest, shift); break; - } - } else { /* Variable shifts implicitly use register cl (i.e. ecx). */ - Reg right; - dest = ra_dest(as, ir, rset_exclude(RSET_GPR, RID_ECX)); - if (dest == RID_ECX) { - dest = ra_scratch(as, rset_exclude(RSET_GPR, RID_ECX)); - emit_rr(as, XO_MOV, RID_ECX, dest); - } - right = irr->r; - if (ra_noreg(right)) - right = ra_allocref(as, rref, RID2RSET(RID_ECX)); - else if (right != RID_ECX) - ra_scratch(as, RID2RSET(RID_ECX)); - emit_rr(as, XO_SHIFTcl, REX_64IR(ir, xs), dest); - if (right != RID_ECX) { - ra_noweak(as, right); - emit_rr(as, XO_MOV, RID_ECX, right); - } - } - ra_left(as, dest, ir->op1); - /* - ** Note: avoid using the flags resulting from a shift or rotate! - ** All of them cause a partial flag stall, except for r,1 shifts - ** (but not rotates). And a shift count of 0 leaves the flags unmodified. - */ -} - -/* -- Comparisons --------------------------------------------------------- */ - -/* Virtual flags for unordered FP comparisons. */ -#define VCC_U 0x1000 /* Unordered. */ -#define VCC_P 0x2000 /* Needs extra CC_P branch. */ -#define VCC_S 0x4000 /* Swap avoids CC_P branch. */ -#define VCC_PS (VCC_P|VCC_S) - -/* Map of comparisons to flags. ORDER IR. */ -#define COMPFLAGS(ci, cin, cu, cf) ((ci)+((cu)<<4)+((cin)<<8)+(cf)) -static const uint16_t asm_compmap[IR_ABC+1] = { - /* signed non-eq unsigned flags */ - /* LT */ COMPFLAGS(CC_GE, CC_G, CC_AE, VCC_PS), - /* GE */ COMPFLAGS(CC_L, CC_L, CC_B, 0), - /* LE */ COMPFLAGS(CC_G, CC_G, CC_A, VCC_PS), - /* GT */ COMPFLAGS(CC_LE, CC_L, CC_BE, 0), - /* ULT */ COMPFLAGS(CC_AE, CC_A, CC_AE, VCC_U), - /* UGE */ COMPFLAGS(CC_B, CC_B, CC_B, VCC_U|VCC_PS), - /* ULE */ COMPFLAGS(CC_A, CC_A, CC_A, VCC_U), - /* UGT */ COMPFLAGS(CC_BE, CC_B, CC_BE, VCC_U|VCC_PS), - /* EQ */ COMPFLAGS(CC_NE, CC_NE, CC_NE, VCC_P), - /* NE */ COMPFLAGS(CC_E, CC_E, CC_E, VCC_U|VCC_P), - /* ABC */ COMPFLAGS(CC_BE, CC_B, CC_BE, VCC_U|VCC_PS) /* Same as UGT. */ -}; - -/* FP and integer comparisons. */ -static void asm_comp(ASMState *as, IRIns *ir, uint32_t cc) -{ - if (irt_isnum(ir->t)) { - IRRef lref = ir->op1; - IRRef rref = ir->op2; - Reg left, right; - MCLabel l_around; - /* - ** An extra CC_P branch is required to preserve ordered/unordered - ** semantics for FP comparisons. This can be avoided by swapping - ** the operands and inverting the condition (except for EQ and UNE). - ** So always try to swap if possible. - ** - ** Another option would be to swap operands to achieve better memory - ** operand fusion. But it's unlikely that this outweighs the cost - ** of the extra branches. - */ - if (cc & VCC_S) { /* Swap? */ - IRRef tmp = lref; lref = rref; rref = tmp; - cc ^= (VCC_PS|(5<<4)); /* A <-> B, AE <-> BE, PS <-> none */ - } - left = ra_alloc1(as, lref, RSET_FPR); - right = asm_fuseload(as, rref, rset_exclude(RSET_FPR, left)); - l_around = emit_label(as); - asm_guardcc(as, cc >> 4); - if (cc & VCC_P) { /* Extra CC_P branch required? */ - if (!(cc & VCC_U)) { - asm_guardcc(as, CC_P); /* Branch to exit for ordered comparisons. */ - } else if (l_around != as->invmcp) { - emit_sjcc(as, CC_P, l_around); /* Branch around for unordered. */ - } else { - /* Patched to mcloop by asm_loop_fixup. */ - as->loopinv = 2; - if (as->realign) - emit_sjcc(as, CC_P, as->mcp); - else - emit_jcc(as, CC_P, as->mcp); - } - } - emit_mrm(as, XO_UCOMISD, left, right); - } else { - IRRef lref = ir->op1, rref = ir->op2; - IROp leftop = (IROp)(IR(lref)->o); - Reg r64 = REX_64IR(ir, 0); - int32_t imm = 0; - lua_assert(irt_is64(ir->t) || irt_isint(ir->t) || irt_isaddr(ir->t)); - /* Swap constants (only for ABC) and fusable loads to the right. */ - if (irref_isk(lref) || (!irref_isk(rref) && opisfusableload(leftop))) { - if ((cc & 0xc) == 0xc) cc ^= 3; /* L <-> G, LE <-> GE */ - else if ((cc & 0xa) == 0x2) cc ^= 5; /* A <-> B, AE <-> BE */ - lref = ir->op2; rref = ir->op1; - } - if (asm_isk32(as, rref, &imm)) { - IRIns *irl = IR(lref); - /* Check wether we can use test ins. Not for unsigned, since CF=0. */ - int usetest = (imm == 0 && (cc & 0xa) != 0x2); - if (usetest && irl->o == IR_BAND && irl+1 == ir && !ra_used(irl)) { - /* Combine comp(BAND(ref, r/imm), 0) into test mrm, r/imm. */ - Reg right, left = RID_NONE; - RegSet allow = RSET_GPR; - if (!asm_isk32(as, irl->op2, &imm)) { - left = ra_alloc1(as, irl->op2, allow); - rset_clear(allow, left); - } else { /* Try to Fuse IRT_I8/IRT_U8 loads, too. See below. */ - IRIns *irll = IR(irl->op1); - if (opisfusableload((IROp)irll->o) && - (irt_isi8(irll->t) || irt_isu8(irll->t))) { - IRType1 origt = irll->t; /* Temporarily flip types. */ - irll->t.irt = (irll->t.irt & ~IRT_TYPE) | IRT_INT; - as->curins--; /* Skip to BAND to avoid failing in noconflict(). */ - right = asm_fuseload(as, irl->op1, RSET_GPR); - as->curins++; - irll->t = origt; - if (right != RID_MRM) goto test_nofuse; - /* Fusion succeeded, emit test byte mrm, imm8. */ - asm_guardcc(as, cc); - emit_i8(as, (imm & 0xff)); - emit_mrm(as, XO_GROUP3b, XOg_TEST, RID_MRM); - return; - } - } - as->curins--; /* Skip to BAND to avoid failing in noconflict(). */ - right = asm_fuseload(as, irl->op1, allow); - as->curins++; /* Undo the above. */ - test_nofuse: - asm_guardcc(as, cc); - if (ra_noreg(left)) { - emit_i32(as, imm); - emit_mrm(as, XO_GROUP3, r64 + XOg_TEST, right); - } else { - emit_mrm(as, XO_TEST, r64 + left, right); - } - } else { - Reg left; - if (opisfusableload((IROp)irl->o) && - ((irt_isu8(irl->t) && checku8(imm)) || - ((irt_isi8(irl->t) || irt_isi16(irl->t)) && checki8(imm)) || - (irt_isu16(irl->t) && checku16(imm) && checki8((int16_t)imm)))) { - /* Only the IRT_INT case is fused by asm_fuseload. - ** The IRT_I8/IRT_U8 loads and some IRT_I16/IRT_U16 loads - ** are handled here. - ** Note that cmp word [mem], imm16 should not be generated, - ** since it has a length-changing prefix. Compares of a word - ** against a sign-extended imm8 are ok, however. - */ - IRType1 origt = irl->t; /* Temporarily flip types. */ - irl->t.irt = (irl->t.irt & ~IRT_TYPE) | IRT_INT; - left = asm_fuseload(as, lref, RSET_GPR); - irl->t = origt; - if (left == RID_MRM) { /* Fusion succeeded? */ - if (irt_isu8(irl->t) || irt_isu16(irl->t)) - cc >>= 4; /* Need unsigned compare. */ - asm_guardcc(as, cc); - emit_i8(as, imm); - emit_mrm(as, (irt_isi8(origt) || irt_isu8(origt)) ? - XO_ARITHib : XO_ARITHiw8, r64 + XOg_CMP, RID_MRM); - return; - } /* Otherwise handle register case as usual. */ - } else { - left = asm_fuseload(as, lref, RSET_GPR); - } - asm_guardcc(as, cc); - if (usetest && left != RID_MRM) { - /* Use test r,r instead of cmp r,0. */ - emit_rr(as, XO_TEST, r64 + left, left); - if (irl+1 == ir) /* Referencing previous ins? */ - as->flagmcp = as->mcp; /* Set flag to drop test r,r if possible. */ - } else { - emit_gmrmi(as, XG_ARITHi(XOg_CMP), r64 + left, imm); - } - } - } else { - Reg left = ra_alloc1(as, lref, RSET_GPR); - Reg right = asm_fuseload(as, rref, rset_exclude(RSET_GPR, left)); - asm_guardcc(as, cc); - emit_mrm(as, XO_CMP, r64 + left, right); - } - } -} - -#if LJ_32 && LJ_HASFFI -/* 64 bit integer comparisons in 32 bit mode. */ -static void asm_comp_int64(ASMState *as, IRIns *ir) -{ - uint32_t cc = asm_compmap[(ir-1)->o]; - RegSet allow = RSET_GPR; - Reg lefthi = RID_NONE, leftlo = RID_NONE; - Reg righthi = RID_NONE, rightlo = RID_NONE; - MCLabel l_around; - x86ModRM mrm; - - as->curins--; /* Skip loword ins. Avoids failing in noconflict(), too. */ - - /* Allocate/fuse hiword operands. */ - if (irref_isk(ir->op2)) { - lefthi = asm_fuseload(as, ir->op1, allow); - } else { - lefthi = ra_alloc1(as, ir->op1, allow); - righthi = asm_fuseload(as, ir->op2, allow); - if (righthi == RID_MRM) { - if (as->mrm.base != RID_NONE) rset_clear(allow, as->mrm.base); - if (as->mrm.idx != RID_NONE) rset_clear(allow, as->mrm.idx); - } else { - rset_clear(allow, righthi); - } - } - mrm = as->mrm; /* Save state for hiword instruction. */ - - /* Allocate/fuse loword operands. */ - if (irref_isk((ir-1)->op2)) { - leftlo = asm_fuseload(as, (ir-1)->op1, allow); - } else { - leftlo = ra_alloc1(as, (ir-1)->op1, allow); - rightlo = asm_fuseload(as, (ir-1)->op2, allow); - if (rightlo == RID_MRM) { - if (as->mrm.base != RID_NONE) rset_clear(allow, as->mrm.base); - if (as->mrm.idx != RID_NONE) rset_clear(allow, as->mrm.idx); - } else { - rset_clear(allow, rightlo); - } - } - - /* All register allocations must be performed _before_ this point. */ - l_around = emit_label(as); - as->invmcp = as->flagmcp = NULL; /* Cannot use these optimizations. */ - - /* Loword comparison and branch. */ - asm_guardcc(as, cc >> 4); /* Always use unsigned compare for loword. */ - if (ra_noreg(rightlo)) { - int32_t imm = IR((ir-1)->op2)->i; - if (imm == 0 && ((cc >> 4) & 0xa) != 0x2 && leftlo != RID_MRM) - emit_rr(as, XO_TEST, leftlo, leftlo); - else - emit_gmrmi(as, XG_ARITHi(XOg_CMP), leftlo, imm); - } else { - emit_mrm(as, XO_CMP, leftlo, rightlo); - } - - /* Hiword comparison and branches. */ - if ((cc & 15) != CC_NE) - emit_sjcc(as, CC_NE, l_around); /* Hiword unequal: skip loword compare. */ - if ((cc & 15) != CC_E) - asm_guardcc(as, cc >> 8); /* Hiword compare without equality check. */ - as->mrm = mrm; /* Restore state. */ - if (ra_noreg(righthi)) { - int32_t imm = IR(ir->op2)->i; - if (imm == 0 && (cc & 0xa) != 0x2 && lefthi != RID_MRM) - emit_rr(as, XO_TEST, lefthi, lefthi); - else - emit_gmrmi(as, XG_ARITHi(XOg_CMP), lefthi, imm); - } else { - emit_mrm(as, XO_CMP, lefthi, righthi); - } -} -#endif - -/* -- Support for 64 bit ops in 32 bit mode ------------------------------- */ - -/* Hiword op of a split 64 bit op. Previous op must be the loword op. */ -static void asm_hiop(ASMState *as, IRIns *ir) -{ -#if LJ_32 && LJ_HASFFI - /* HIOP is marked as a store because it needs its own DCE logic. */ - int uselo = ra_used(ir-1), usehi = ra_used(ir); /* Loword/hiword used? */ - if (LJ_UNLIKELY(!(as->flags & JIT_F_OPT_DCE))) uselo = usehi = 1; - if ((ir-1)->o == IR_CONV) { /* Conversions to/from 64 bit. */ - if (usehi || uselo) { - if (irt_isfp(ir->t)) - asm_conv_fp_int64(as, ir); - else - asm_conv_int64_fp(as, ir); - } - as->curins--; /* Always skip the CONV. */ - return; - } else if ((ir-1)->o <= IR_NE) { /* 64 bit integer comparisons. ORDER IR. */ - asm_comp_int64(as, ir); - return; - } - if (!usehi) return; /* Skip unused hiword op for all remaining ops. */ - switch ((ir-1)->o) { - case IR_ADD: - as->flagmcp = NULL; - as->curins--; - asm_intarith(as, ir, XOg_ADC); - asm_intarith(as, ir-1, XOg_ADD); - break; - case IR_SUB: - as->flagmcp = NULL; - as->curins--; - asm_intarith(as, ir, XOg_SBB); - asm_intarith(as, ir-1, XOg_SUB); - break; - case IR_NEG: { - Reg dest = ra_dest(as, ir, RSET_GPR); - emit_rr(as, XO_GROUP3, XOg_NEG, dest); - emit_i8(as, 0); - emit_rr(as, XO_ARITHi8, XOg_ADC, dest); - ra_left(as, dest, ir->op1); - as->curins--; - asm_neg_not(as, ir-1, XOg_NEG); - break; - } - case IR_CALLN: - case IR_CALLXS: - ra_destreg(as, ir, RID_RETHI); - if (!uselo) - ra_allocref(as, ir->op1, RID2RSET(RID_RETLO)); /* Mark call as used. */ - break; - case IR_CNEWI: - /* Nothing to do here. Handled by CNEWI itself. */ - break; - default: lua_assert(0); break; - } -#else - UNUSED(as); UNUSED(ir); lua_assert(0); /* Unused on x64 or without FFI. */ -#endif -} - -/* -- Stack handling ------------------------------------------------------ */ - -/* Check Lua stack size for overflow. Use exit handler as fallback. */ -static void asm_stack_check(ASMState *as, BCReg topslot, - IRIns *irp, RegSet allow, ExitNo exitno) -{ - /* Try to get an unused temp. register, otherwise spill/restore eax. */ - Reg pbase = irp ? irp->r : RID_BASE; - Reg r = allow ? rset_pickbot(allow) : RID_EAX; - emit_jcc(as, CC_B, exitstub_addr(as->J, exitno)); - if (allow == RSET_EMPTY) /* Restore temp. register. */ - emit_rmro(as, XO_MOV, r|REX_64, RID_ESP, 0); - else - ra_modified(as, r); - emit_gri(as, XG_ARITHi(XOg_CMP), r, (int32_t)(8*topslot)); - if (ra_hasreg(pbase) && pbase != r) - emit_rr(as, XO_ARITH(XOg_SUB), r, pbase); - else - emit_rmro(as, XO_ARITH(XOg_SUB), r, RID_NONE, - ptr2addr(&J2G(as->J)->jit_base)); - emit_rmro(as, XO_MOV, r, r, offsetof(lua_State, maxstack)); - emit_getgl(as, r, jit_L); - if (allow == RSET_EMPTY) /* Spill temp. register. */ - emit_rmro(as, XO_MOVto, r|REX_64, RID_ESP, 0); -} - -/* Restore Lua stack from on-trace state. */ -static void asm_stack_restore(ASMState *as, SnapShot *snap) -{ - SnapEntry *map = &as->T->snapmap[snap->mapofs]; - SnapEntry *flinks = &as->T->snapmap[snap_nextofs(as->T, snap)-1]; - MSize n, nent = snap->nent; - /* Store the value of all modified slots to the Lua stack. */ - for (n = 0; n < nent; n++) { - SnapEntry sn = map[n]; - BCReg s = snap_slot(sn); - int32_t ofs = 8*((int32_t)s-1); - IRRef ref = snap_ref(sn); - IRIns *ir = IR(ref); - if ((sn & SNAP_NORESTORE)) - continue; - if (irt_isnum(ir->t)) { - Reg src = ra_alloc1(as, ref, RSET_FPR); - emit_rmro(as, XO_MOVSDto, src, RID_BASE, ofs); - } else { - lua_assert(irt_ispri(ir->t) || irt_isaddr(ir->t) || - (LJ_DUALNUM && irt_isinteger(ir->t))); - if (!irref_isk(ref)) { - Reg src = ra_alloc1(as, ref, rset_exclude(RSET_GPR, RID_BASE)); - emit_movtomro(as, REX_64IR(ir, src), RID_BASE, ofs); - } else if (!irt_ispri(ir->t)) { - emit_movmroi(as, RID_BASE, ofs, ir->i); - } - if ((sn & (SNAP_CONT|SNAP_FRAME))) { - if (s != 0) /* Do not overwrite link to previous frame. */ - emit_movmroi(as, RID_BASE, ofs+4, (int32_t)(*flinks--)); - } else { - if (!(LJ_64 && irt_islightud(ir->t))) - emit_movmroi(as, RID_BASE, ofs+4, irt_toitype(ir->t)); - } - } - checkmclim(as); - } - lua_assert(map + nent == flinks); -} - -/* -- GC handling --------------------------------------------------------- */ - -/* Check GC threshold and do one or more GC steps. */ -static void asm_gc_check(ASMState *as) -{ - const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_gc_step_jit]; - IRRef args[2]; - MCLabel l_end; - Reg tmp; - ra_evictset(as, RSET_SCRATCH); - l_end = emit_label(as); - /* Exit trace if in GCSatomic or GCSfinalize. Avoids syncing GC objects. */ - asm_guardcc(as, CC_NE); /* Assumes asm_snap_prep() already done. */ - emit_rr(as, XO_TEST, RID_RET, RID_RET); - args[0] = ASMREF_TMP1; /* global_State *g */ - args[1] = ASMREF_TMP2; /* MSize steps */ - asm_gencall(as, ci, args); - tmp = ra_releasetmp(as, ASMREF_TMP1); - emit_loada(as, tmp, J2G(as->J)); - emit_loadi(as, ra_releasetmp(as, ASMREF_TMP2), (int32_t)as->gcsteps); - /* Jump around GC step if GC total < GC threshold. */ - emit_sjcc(as, CC_B, l_end); - emit_opgl(as, XO_ARITH(XOg_CMP), tmp, gc.threshold); - emit_getgl(as, tmp, gc.total); - as->gcsteps = 0; - checkmclim(as); -} - -/* -- Loop handling ------------------------------------------------------- */ - -/* Fixup the loop branch. */ -static void asm_loop_fixup(ASMState *as) -{ - MCode *p = as->mctop; - MCode *target = as->mcp; - if (as->realign) { /* Realigned loops use short jumps. */ - as->realign = NULL; /* Stop another retry. */ - lua_assert(((intptr_t)target & 15) == 0); - if (as->loopinv) { /* Inverted loop branch? */ - p -= 5; - p[0] = XI_JMP; - lua_assert(target - p >= -128); - p[-1] = (MCode)(target - p); /* Patch sjcc. */ - if (as->loopinv == 2) - p[-3] = (MCode)(target - p + 2); /* Patch opt. short jp. */ - } else { - lua_assert(target - p >= -128); - p[-1] = (MCode)(int8_t)(target - p); /* Patch short jmp. */ - p[-2] = XI_JMPs; - } - } else { - MCode *newloop; - p[-5] = XI_JMP; - if (as->loopinv) { /* Inverted loop branch? */ - /* asm_guardcc already inverted the jcc and patched the jmp. */ - p -= 5; - newloop = target+4; - *(int32_t *)(p-4) = (int32_t)(target - p); /* Patch jcc. */ - if (as->loopinv == 2) { - *(int32_t *)(p-10) = (int32_t)(target - p + 6); /* Patch opt. jp. */ - newloop = target+8; - } - } else { /* Otherwise just patch jmp. */ - *(int32_t *)(p-4) = (int32_t)(target - p); - newloop = target+3; - } - /* Realign small loops and shorten the loop branch. */ - if (newloop >= p - 128) { - as->realign = newloop; /* Force a retry and remember alignment. */ - as->curins = as->stopins; /* Abort asm_trace now. */ - as->T->nins = as->orignins; /* Remove any added renames. */ - } - } -} - -/* -- Head of trace ------------------------------------------------------- */ - -/* Coalesce BASE register for a root trace. */ -static void asm_head_root_base(ASMState *as) -{ - IRIns *ir = IR(REF_BASE); - Reg r = ir->r; - if (ra_hasreg(r)) { - ra_free(as, r); - if (rset_test(as->modset, r)) - ir->r = RID_INIT; /* No inheritance for modified BASE register. */ - if (r != RID_BASE) - emit_rr(as, XO_MOV, r, RID_BASE); - } -} - -/* Coalesce or reload BASE register for a side trace. */ -static RegSet asm_head_side_base(ASMState *as, IRIns *irp, RegSet allow) -{ - IRIns *ir = IR(REF_BASE); - Reg r = ir->r; - if (ra_hasreg(r)) { - ra_free(as, r); - if (rset_test(as->modset, r)) - ir->r = RID_INIT; /* No inheritance for modified BASE register. */ - if (irp->r == r) { - rset_clear(allow, r); /* Mark same BASE register as coalesced. */ - } else if (ra_hasreg(irp->r) && rset_test(as->freeset, irp->r)) { - rset_clear(allow, irp->r); - emit_rr(as, XO_MOV, r, irp->r); /* Move from coalesced parent reg. */ - } else { - emit_getgl(as, r, jit_base); /* Otherwise reload BASE. */ - } - } - return allow; -} - -/* -- Tail of trace ------------------------------------------------------- */ - -/* Fixup the tail code. */ -static void asm_tail_fixup(ASMState *as, TraceNo lnk) -{ - /* Note: don't use as->mcp swap + emit_*: emit_op overwrites more bytes. */ - MCode *p = as->mctop; - MCode *target, *q; - int32_t spadj = as->T->spadjust; - if (spadj == 0) { - p -= ((as->flags & JIT_F_LEA_AGU) ? 7 : 6) + (LJ_64 ? 1 : 0); - } else { - MCode *p1; - /* Patch stack adjustment. */ - if (checki8(spadj)) { - p -= 3; - p1 = p-6; - *p1 = (MCode)spadj; - } else { - p1 = p-9; - *(int32_t *)p1 = spadj; - } - if ((as->flags & JIT_F_LEA_AGU)) { -#if LJ_64 - p1[-4] = 0x48; -#endif - p1[-3] = (MCode)XI_LEA; - p1[-2] = MODRM(checki8(spadj) ? XM_OFS8 : XM_OFS32, RID_ESP, RID_ESP); - p1[-1] = MODRM(XM_SCALE1, RID_ESP, RID_ESP); - } else { -#if LJ_64 - p1[-3] = 0x48; -#endif - p1[-2] = (MCode)(checki8(spadj) ? XI_ARITHi8 : XI_ARITHi); - p1[-1] = MODRM(XM_REG, XOg_ADD, RID_ESP); - } - } - /* Patch exit branch. */ - target = lnk ? traceref(as->J, lnk)->mcode : (MCode *)lj_vm_exit_interp; - *(int32_t *)(p-4) = jmprel(p, target); - p[-5] = XI_JMP; - /* Drop unused mcode tail. Fill with NOPs to make the prefetcher happy. */ - for (q = as->mctop-1; q >= p; q--) - *q = XI_NOP; - as->mctop = p; -} - -/* Prepare tail of code. */ -static void asm_tail_prep(ASMState *as) -{ - MCode *p = as->mctop; - /* Realign and leave room for backwards loop branch or exit branch. */ - if (as->realign) { - int i = ((int)(intptr_t)as->realign) & 15; - /* Fill unused mcode tail with NOPs to make the prefetcher happy. */ - while (i-- > 0) - *--p = XI_NOP; - as->mctop = p; - p -= (as->loopinv ? 5 : 2); /* Space for short/near jmp. */ - } else { - p -= 5; /* Space for exit branch (near jmp). */ - } - if (as->loopref) { - as->invmcp = as->mcp = p; - } else { - /* Leave room for ESP adjustment: add esp, imm or lea esp, [esp+imm] */ - as->mcp = p - (((as->flags & JIT_F_LEA_AGU) ? 7 : 6) + (LJ_64 ? 1 : 0)); - as->invmcp = NULL; - } -} - -/* -- Instruction dispatch ------------------------------------------------ */ - -/* Assemble a single instruction. */ -static void asm_ir(ASMState *as, IRIns *ir) -{ - switch ((IROp)ir->o) { - /* Miscellaneous ops. */ - case IR_LOOP: asm_loop(as); break; - case IR_NOP: case IR_XBAR: lua_assert(!ra_used(ir)); break; - case IR_USE: - ra_alloc1(as, ir->op1, irt_isfp(ir->t) ? RSET_FPR : RSET_GPR); break; - case IR_PHI: asm_phi(as, ir); break; - case IR_HIOP: asm_hiop(as, ir); break; - - /* Guarded assertions. */ - case IR_LT: case IR_GE: case IR_LE: case IR_GT: - case IR_ULT: case IR_UGE: case IR_ULE: case IR_UGT: - case IR_EQ: case IR_NE: case IR_ABC: - asm_comp(as, ir, asm_compmap[ir->o]); - break; - - case IR_RETF: asm_retf(as, ir); break; - - /* Bit ops. */ - case IR_BNOT: asm_neg_not(as, ir, XOg_NOT); break; - case IR_BSWAP: asm_bitswap(as, ir); break; - - case IR_BAND: asm_intarith(as, ir, XOg_AND); break; - case IR_BOR: asm_intarith(as, ir, XOg_OR); break; - case IR_BXOR: asm_intarith(as, ir, XOg_XOR); break; - - case IR_BSHL: asm_bitshift(as, ir, XOg_SHL); break; - case IR_BSHR: asm_bitshift(as, ir, XOg_SHR); break; - case IR_BSAR: asm_bitshift(as, ir, XOg_SAR); break; - case IR_BROL: asm_bitshift(as, ir, XOg_ROL); break; - case IR_BROR: asm_bitshift(as, ir, XOg_ROR); break; - - /* Arithmetic ops. */ - case IR_ADD: asm_add(as, ir); break; - case IR_SUB: - if (irt_isnum(ir->t)) - asm_fparith(as, ir, XO_SUBSD); - else /* Note: no need for LEA trick here. i-k is encoded as i+(-k). */ - asm_intarith(as, ir, XOg_SUB); - break; - case IR_MUL: - if (irt_isnum(ir->t)) - asm_fparith(as, ir, XO_MULSD); - else - asm_intarith(as, ir, XOg_X_IMUL); - break; - case IR_DIV: -#if LJ_64 && LJ_HASFFI - if (!irt_isnum(ir->t)) - asm_arith64(as, ir, irt_isi64(ir->t) ? IRCALL_lj_carith_divi64 : - IRCALL_lj_carith_divu64); - else -#endif - asm_fparith(as, ir, XO_DIVSD); - break; - case IR_MOD: -#if LJ_64 && LJ_HASFFI - if (!irt_isint(ir->t)) - asm_arith64(as, ir, irt_isi64(ir->t) ? IRCALL_lj_carith_modi64 : - IRCALL_lj_carith_modu64); - else -#endif - asm_intmod(as, ir); - break; - - case IR_NEG: - if (irt_isnum(ir->t)) - asm_fparith(as, ir, XO_XORPS); - else - asm_neg_not(as, ir, XOg_NEG); - break; - case IR_ABS: asm_fparith(as, ir, XO_ANDPS); break; - - case IR_MIN: - if (irt_isnum(ir->t)) - asm_fparith(as, ir, XO_MINSD); - else - asm_min_max(as, ir, CC_G); - break; - case IR_MAX: - if (irt_isnum(ir->t)) - asm_fparith(as, ir, XO_MAXSD); - else - asm_min_max(as, ir, CC_L); - break; - - case IR_FPMATH: case IR_ATAN2: case IR_LDEXP: - asm_fpmath(as, ir); - break; - case IR_POW: -#if LJ_64 && LJ_HASFFI - if (!irt_isnum(ir->t)) - asm_arith64(as, ir, irt_isi64(ir->t) ? IRCALL_lj_carith_powi64 : - IRCALL_lj_carith_powu64); - else -#endif - asm_fppowi(as, ir); - break; - - /* Overflow-checking arithmetic ops. Note: don't use LEA here! */ - case IR_ADDOV: asm_intarith(as, ir, XOg_ADD); break; - case IR_SUBOV: asm_intarith(as, ir, XOg_SUB); break; - case IR_MULOV: asm_intarith(as, ir, XOg_X_IMUL); break; - - /* Memory references. */ - case IR_AREF: asm_aref(as, ir); break; - case IR_HREF: asm_href(as, ir); break; - case IR_HREFK: asm_hrefk(as, ir); break; - case IR_NEWREF: asm_newref(as, ir); break; - case IR_UREFO: case IR_UREFC: asm_uref(as, ir); break; - case IR_FREF: asm_fref(as, ir); break; - case IR_STRREF: asm_strref(as, ir); break; - - /* Loads and stores. */ - case IR_ALOAD: case IR_HLOAD: case IR_ULOAD: case IR_VLOAD: - asm_ahuvload(as, ir); - break; - case IR_FLOAD: case IR_XLOAD: asm_fxload(as, ir); break; - case IR_SLOAD: asm_sload(as, ir); break; - - case IR_ASTORE: case IR_HSTORE: case IR_USTORE: asm_ahustore(as, ir); break; - case IR_FSTORE: case IR_XSTORE: asm_fxstore(as, ir); break; - - /* Allocations. */ - case IR_SNEW: case IR_XSNEW: asm_snew(as, ir); break; - case IR_TNEW: asm_tnew(as, ir); break; - case IR_TDUP: asm_tdup(as, ir); break; - case IR_CNEW: case IR_CNEWI: asm_cnew(as, ir); break; - - /* Write barriers. */ - case IR_TBAR: asm_tbar(as, ir); break; - case IR_OBAR: asm_obar(as, ir); break; - - /* Type conversions. */ - case IR_TOBIT: asm_tobit(as, ir); break; - case IR_CONV: asm_conv(as, ir); break; - case IR_TOSTR: asm_tostr(as, ir); break; - case IR_STRTO: asm_strto(as, ir); break; - - /* Calls. */ - case IR_CALLN: case IR_CALLL: case IR_CALLS: asm_call(as, ir); break; - case IR_CALLXS: asm_callx(as, ir); break; - case IR_CARG: break; - - default: - setintV(&as->J->errinfo, ir->o); - lj_trace_err_info(as->J, LJ_TRERR_NYIIR); - break; - } -} - -/* -- Trace setup --------------------------------------------------------- */ - -/* Ensure there are enough stack slots for call arguments. */ -static Reg asm_setup_call_slots(ASMState *as, IRIns *ir, const CCallInfo *ci) -{ - IRRef args[CCI_NARGS_MAX]; - int nslots; - asm_collectargs(as, ir, ci, args); - nslots = asm_count_call_slots(as, ci, args); - if (nslots > as->evenspill) /* Leave room for args in stack slots. */ - as->evenspill = nslots; -#if LJ_64 - return irt_isfp(ir->t) ? REGSP_HINT(RID_FPRET) : REGSP_HINT(RID_RET); -#else - return irt_isfp(ir->t) ? REGSP_INIT : REGSP_HINT(RID_RET); -#endif -} - -/* Target-specific setup. */ -static void asm_setup_target(ASMState *as) -{ - asm_exitstub_setup(as, as->T->nsnap); -} - -/* -- Trace patching ------------------------------------------------------ */ - -/* Patch exit jumps of existing machine code to a new target. */ -void lj_asm_patchexit(jit_State *J, GCtrace *T, ExitNo exitno, MCode *target) -{ - MCode *p = T->mcode; - MCode *mcarea = lj_mcode_patch(J, p, 0); - MSize len = T->szmcode; - MCode *px = exitstub_addr(J, exitno) - 6; - MCode *pe = p+len-6; - uint32_t stateaddr = u32ptr(&J2G(J)->vmstate); - if (len > 5 && p[len-5] == XI_JMP && p+len-6 + *(int32_t *)(p+len-4) == px) - *(int32_t *)(p+len-4) = jmprel(p+len, target); - /* Do not patch parent exit for a stack check. Skip beyond vmstate update. */ - for (; p < pe; p++) - if (*(uint32_t *)(p+(LJ_64 ? 3 : 2)) == stateaddr && p[0] == XI_MOVmi) { - p += LJ_64 ? 11 : 10; - break; - } - lua_assert(p < pe); - for (; p < pe; p++) { - if ((*(uint16_t *)p & 0xf0ff) == 0x800f && p + *(int32_t *)(p+2) == px) { - *(int32_t *)(p+2) = jmprel(p+6, target); - p += 5; - } - } - lj_mcode_sync(T->mcode, T->mcode + T->szmcode); - lj_mcode_patch(J, mcarea, 1); -} - diff --git a/libraries/luajit-2.0/src/lj_bc.c b/libraries/luajit-2.0/src/lj_bc.c deleted file mode 100644 index feb8e44..0000000 --- a/libraries/luajit-2.0/src/lj_bc.c +++ /dev/null @@ -1,14 +0,0 @@ -/* -** Bytecode instruction modes. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_bc_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_bc.h" - -/* Bytecode offsets and bytecode instruction modes. */ -#include "lj_bcdef.h" - diff --git a/libraries/luajit-2.0/src/lj_bc.h b/libraries/luajit-2.0/src/lj_bc.h deleted file mode 100644 index 97e4d92..0000000 --- a/libraries/luajit-2.0/src/lj_bc.h +++ /dev/null @@ -1,261 +0,0 @@ -/* -** Bytecode instruction format. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_BC_H -#define _LJ_BC_H - -#include "lj_def.h" -#include "lj_arch.h" - -/* Bytecode instruction format, 32 bit wide, fields of 8 or 16 bit: -** -** +----+----+----+----+ -** | B | C | A | OP | Format ABC -** +----+----+----+----+ -** | D | A | OP | Format AD -** +-------------------- -** MSB LSB -** -** In-memory instructions are always stored in host byte order. -*/ - -/* Operand ranges and related constants. */ -#define BCMAX_A 0xff -#define BCMAX_B 0xff -#define BCMAX_C 0xff -#define BCMAX_D 0xffff -#define BCBIAS_J 0x8000 -#define NO_REG BCMAX_A -#define NO_JMP (~(BCPos)0) - -/* Macros to get instruction fields. */ -#define bc_op(i) ((BCOp)((i)&0xff)) -#define bc_a(i) ((BCReg)(((i)>>8)&0xff)) -#define bc_b(i) ((BCReg)((i)>>24)) -#define bc_c(i) ((BCReg)(((i)>>16)&0xff)) -#define bc_d(i) ((BCReg)((i)>>16)) -#define bc_j(i) ((ptrdiff_t)bc_d(i)-BCBIAS_J) - -/* Macros to set instruction fields. */ -#define setbc_byte(p, x, ofs) \ - ((uint8_t *)(p))[LJ_ENDIAN_SELECT(ofs, 3-ofs)] = (uint8_t)(x) -#define setbc_op(p, x) setbc_byte(p, (x), 0) -#define setbc_a(p, x) setbc_byte(p, (x), 1) -#define setbc_b(p, x) setbc_byte(p, (x), 3) -#define setbc_c(p, x) setbc_byte(p, (x), 2) -#define setbc_d(p, x) \ - ((uint16_t *)(p))[LJ_ENDIAN_SELECT(1, 0)] = (uint16_t)(x) -#define setbc_j(p, x) setbc_d(p, (BCPos)((int32_t)(x)+BCBIAS_J)) - -/* Macros to compose instructions. */ -#define BCINS_ABC(o, a, b, c) \ - (((BCIns)(o))|((BCIns)(a)<<8)|((BCIns)(b)<<24)|((BCIns)(c)<<16)) -#define BCINS_AD(o, a, d) \ - (((BCIns)(o))|((BCIns)(a)<<8)|((BCIns)(d)<<16)) -#define BCINS_AJ(o, a, j) BCINS_AD(o, a, (BCPos)((int32_t)(j)+BCBIAS_J)) - -/* Bytecode instruction definition. Order matters, see below. -** -** (name, filler, Amode, Bmode, Cmode or Dmode, metamethod) -** -** The opcode name suffixes specify the type for RB/RC or RD: -** V = variable slot -** S = string const -** N = number const -** P = primitive type (~itype) -** B = unsigned byte literal -** M = multiple args/results -*/ -#define BCDEF(_) \ - /* Comparison ops. ORDER OPR. */ \ - _(ISLT, var, ___, var, lt) \ - _(ISGE, var, ___, var, lt) \ - _(ISLE, var, ___, var, le) \ - _(ISGT, var, ___, var, le) \ - \ - _(ISEQV, var, ___, var, eq) \ - _(ISNEV, var, ___, var, eq) \ - _(ISEQS, var, ___, str, eq) \ - _(ISNES, var, ___, str, eq) \ - _(ISEQN, var, ___, num, eq) \ - _(ISNEN, var, ___, num, eq) \ - _(ISEQP, var, ___, pri, eq) \ - _(ISNEP, var, ___, pri, eq) \ - \ - /* Unary test and copy ops. */ \ - _(ISTC, dst, ___, var, ___) \ - _(ISFC, dst, ___, var, ___) \ - _(IST, ___, ___, var, ___) \ - _(ISF, ___, ___, var, ___) \ - \ - /* Unary ops. */ \ - _(MOV, dst, ___, var, ___) \ - _(NOT, dst, ___, var, ___) \ - _(UNM, dst, ___, var, unm) \ - _(LEN, dst, ___, var, len) \ - \ - /* Binary ops. ORDER OPR. VV last, POW must be next. */ \ - _(ADDVN, dst, var, num, add) \ - _(SUBVN, dst, var, num, sub) \ - _(MULVN, dst, var, num, mul) \ - _(DIVVN, dst, var, num, div) \ - _(MODVN, dst, var, num, mod) \ - \ - _(ADDNV, dst, var, num, add) \ - _(SUBNV, dst, var, num, sub) \ - _(MULNV, dst, var, num, mul) \ - _(DIVNV, dst, var, num, div) \ - _(MODNV, dst, var, num, mod) \ - \ - _(ADDVV, dst, var, var, add) \ - _(SUBVV, dst, var, var, sub) \ - _(MULVV, dst, var, var, mul) \ - _(DIVVV, dst, var, var, div) \ - _(MODVV, dst, var, var, mod) \ - \ - _(POW, dst, var, var, pow) \ - _(CAT, dst, rbase, rbase, concat) \ - \ - /* Constant ops. */ \ - _(KSTR, dst, ___, str, ___) \ - _(KCDATA, dst, ___, cdata, ___) \ - _(KSHORT, dst, ___, lits, ___) \ - _(KNUM, dst, ___, num, ___) \ - _(KPRI, dst, ___, pri, ___) \ - _(KNIL, base, ___, base, ___) \ - \ - /* Upvalue and function ops. */ \ - _(UGET, dst, ___, uv, ___) \ - _(USETV, uv, ___, var, ___) \ - _(USETS, uv, ___, str, ___) \ - _(USETN, uv, ___, num, ___) \ - _(USETP, uv, ___, pri, ___) \ - _(UCLO, rbase, ___, jump, ___) \ - _(FNEW, dst, ___, func, gc) \ - \ - /* Table ops. */ \ - _(TNEW, dst, ___, lit, gc) \ - _(TDUP, dst, ___, tab, gc) \ - _(GGET, dst, ___, str, index) \ - _(GSET, var, ___, str, newindex) \ - _(TGETV, dst, var, var, index) \ - _(TGETS, dst, var, str, index) \ - _(TGETB, dst, var, lit, index) \ - _(TSETV, var, var, var, newindex) \ - _(TSETS, var, var, str, newindex) \ - _(TSETB, var, var, lit, newindex) \ - _(TSETM, base, ___, num, newindex) \ - \ - /* Calls and vararg handling. T = tail call. */ \ - _(CALLM, base, lit, lit, call) \ - _(CALL, base, lit, lit, call) \ - _(CALLMT, base, ___, lit, call) \ - _(CALLT, base, ___, lit, call) \ - _(ITERC, base, lit, lit, call) \ - _(ITERN, base, lit, lit, call) \ - _(VARG, base, lit, lit, ___) \ - _(ISNEXT, base, ___, jump, ___) \ - \ - /* Returns. */ \ - _(RETM, base, ___, lit, ___) \ - _(RET, rbase, ___, lit, ___) \ - _(RET0, rbase, ___, lit, ___) \ - _(RET1, rbase, ___, lit, ___) \ - \ - /* Loops and branches. I/J = interp/JIT, I/C/L = init/call/loop. */ \ - _(FORI, base, ___, jump, ___) \ - _(JFORI, base, ___, jump, ___) \ - \ - _(FORL, base, ___, jump, ___) \ - _(IFORL, base, ___, jump, ___) \ - _(JFORL, base, ___, lit, ___) \ - \ - _(ITERL, base, ___, jump, ___) \ - _(IITERL, base, ___, jump, ___) \ - _(JITERL, base, ___, lit, ___) \ - \ - _(LOOP, rbase, ___, jump, ___) \ - _(ILOOP, rbase, ___, jump, ___) \ - _(JLOOP, rbase, ___, lit, ___) \ - \ - _(JMP, rbase, ___, jump, ___) \ - \ - /* Function headers. I/J = interp/JIT, F/V/C = fixarg/vararg/C func. */ \ - _(FUNCF, rbase, ___, ___, ___) \ - _(IFUNCF, rbase, ___, ___, ___) \ - _(JFUNCF, rbase, ___, lit, ___) \ - _(FUNCV, rbase, ___, ___, ___) \ - _(IFUNCV, rbase, ___, ___, ___) \ - _(JFUNCV, rbase, ___, lit, ___) \ - _(FUNCC, rbase, ___, ___, ___) \ - _(FUNCCW, rbase, ___, ___, ___) - -/* Bytecode opcode numbers. */ -typedef enum { -#define BCENUM(name, ma, mb, mc, mt) BC_##name, -BCDEF(BCENUM) -#undef BCENUM - BC__MAX -} BCOp; - -LJ_STATIC_ASSERT((int)BC_ISEQV+1 == (int)BC_ISNEV); -LJ_STATIC_ASSERT(((int)BC_ISEQV^1) == (int)BC_ISNEV); -LJ_STATIC_ASSERT(((int)BC_ISEQS^1) == (int)BC_ISNES); -LJ_STATIC_ASSERT(((int)BC_ISEQN^1) == (int)BC_ISNEN); -LJ_STATIC_ASSERT(((int)BC_ISEQP^1) == (int)BC_ISNEP); -LJ_STATIC_ASSERT(((int)BC_ISLT^1) == (int)BC_ISGE); -LJ_STATIC_ASSERT(((int)BC_ISLE^1) == (int)BC_ISGT); -LJ_STATIC_ASSERT(((int)BC_ISLT^3) == (int)BC_ISGT); -LJ_STATIC_ASSERT((int)BC_IST-(int)BC_ISTC == (int)BC_ISF-(int)BC_ISFC); -LJ_STATIC_ASSERT((int)BC_CALLT-(int)BC_CALL == (int)BC_CALLMT-(int)BC_CALLM); -LJ_STATIC_ASSERT((int)BC_CALLMT + 1 == (int)BC_CALLT); -LJ_STATIC_ASSERT((int)BC_RETM + 1 == (int)BC_RET); -LJ_STATIC_ASSERT((int)BC_FORL + 1 == (int)BC_IFORL); -LJ_STATIC_ASSERT((int)BC_FORL + 2 == (int)BC_JFORL); -LJ_STATIC_ASSERT((int)BC_ITERL + 1 == (int)BC_IITERL); -LJ_STATIC_ASSERT((int)BC_ITERL + 2 == (int)BC_JITERL); -LJ_STATIC_ASSERT((int)BC_LOOP + 1 == (int)BC_ILOOP); -LJ_STATIC_ASSERT((int)BC_LOOP + 2 == (int)BC_JLOOP); -LJ_STATIC_ASSERT((int)BC_FUNCF + 1 == (int)BC_IFUNCF); -LJ_STATIC_ASSERT((int)BC_FUNCF + 2 == (int)BC_JFUNCF); -LJ_STATIC_ASSERT((int)BC_FUNCV + 1 == (int)BC_IFUNCV); -LJ_STATIC_ASSERT((int)BC_FUNCV + 2 == (int)BC_JFUNCV); - -/* This solves a circular dependency problem, change as needed. */ -#define FF_next_N 15 - -/* Stack slots used by FORI/FORL, relative to operand A. */ -enum { - FORL_IDX, FORL_STOP, FORL_STEP, FORL_EXT -}; - -/* Bytecode operand modes. ORDER BCMode */ -typedef enum { - BCMnone, BCMdst, BCMbase, BCMvar, BCMrbase, BCMuv, /* Mode A must be <= 7 */ - BCMlit, BCMlits, BCMpri, BCMnum, BCMstr, BCMtab, BCMfunc, BCMjump, BCMcdata, - BCM_max -} BCMode; -#define BCM___ BCMnone - -#define bcmode_a(op) ((BCMode)(lj_bc_mode[op] & 7)) -#define bcmode_b(op) ((BCMode)((lj_bc_mode[op]>>3) & 15)) -#define bcmode_c(op) ((BCMode)((lj_bc_mode[op]>>7) & 15)) -#define bcmode_d(op) bcmode_c(op) -#define bcmode_hasd(op) ((lj_bc_mode[op] & (15<<3)) == (BCMnone<<3)) -#define bcmode_mm(op) ((MMS)(lj_bc_mode[op]>>11)) - -#define BCMODE(name, ma, mb, mc, mm) \ - (BCM##ma|(BCM##mb<<3)|(BCM##mc<<7)|(MM_##mm<<11)), -#define BCMODE_FF 0 - -static LJ_AINLINE int bc_isret(BCOp op) -{ - return (op == BC_RETM || op == BC_RET || op == BC_RET0 || op == BC_RET1); -} - -LJ_DATA const uint16_t lj_bc_mode[]; -LJ_DATA const uint16_t lj_bc_ofs[]; - -#endif diff --git a/libraries/luajit-2.0/src/lj_bcdump.h b/libraries/luajit-2.0/src/lj_bcdump.h deleted file mode 100644 index 49b59e8..0000000 --- a/libraries/luajit-2.0/src/lj_bcdump.h +++ /dev/null @@ -1,66 +0,0 @@ -/* -** Bytecode dump definitions. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_BCDUMP_H -#define _LJ_BCDUMP_H - -#include "lj_obj.h" -#include "lj_lex.h" - -/* -- Bytecode dump format ------------------------------------------------ */ - -/* -** dump = header proto+ 0U -** header = ESC 'L' 'J' versionB flagsU [namelenU nameB*] -** proto = lengthU pdata -** pdata = phead bcinsW* uvdataH* kgc* knum* [debugB*] -** phead = flagsB numparamsB framesizeB numuvB numkgcU numknU numbcU -** [debuglenU [firstlineU numlineU]] -** kgc = kgctypeU { ktab | (loU hiU) | (rloU rhiU iloU ihiU) | strB* } -** knum = intU0 | (loU1 hiU) -** ktab = narrayU nhashU karray* khash* -** karray = ktabk -** khash = ktabk ktabk -** ktabk = ktabtypeU { intU | (loU hiU) | strB* } -** -** B = 8 bit, H = 16 bit, W = 32 bit, U = ULEB128 of W, U0/U1 = ULEB128 of W+1 -*/ - -/* Bytecode dump header. */ -#define BCDUMP_HEAD1 0x1b -#define BCDUMP_HEAD2 0x4c -#define BCDUMP_HEAD3 0x4a - -/* If you perform *any* kind of private modifications to the bytecode itself -** or to the dump format, you *must* set BCDUMP_VERSION to 0x80 or higher. -*/ -#define BCDUMP_VERSION 1 - -/* Compatibility flags. */ -#define BCDUMP_F_BE 0x01 -#define BCDUMP_F_STRIP 0x02 -#define BCDUMP_F_FFI 0x04 - -#define BCDUMP_F_KNOWN (BCDUMP_F_FFI*2-1) - -/* Type codes for the GC constants of a prototype. Plus length for strings. */ -enum { - BCDUMP_KGC_CHILD, BCDUMP_KGC_TAB, BCDUMP_KGC_I64, BCDUMP_KGC_U64, - BCDUMP_KGC_COMPLEX, BCDUMP_KGC_STR -}; - -/* Type codes for the keys/values of a constant table. */ -enum { - BCDUMP_KTAB_NIL, BCDUMP_KTAB_FALSE, BCDUMP_KTAB_TRUE, - BCDUMP_KTAB_INT, BCDUMP_KTAB_NUM, BCDUMP_KTAB_STR -}; - -/* -- Bytecode reader/writer ---------------------------------------------- */ - -LJ_FUNC int lj_bcwrite(lua_State *L, GCproto *pt, lua_Writer writer, - void *data, int strip); -LJ_FUNC GCproto *lj_bcread(LexState *ls); - -#endif diff --git a/libraries/luajit-2.0/src/lj_bcread.c b/libraries/luajit-2.0/src/lj_bcread.c deleted file mode 100644 index 3047923..0000000 --- a/libraries/luajit-2.0/src/lj_bcread.c +++ /dev/null @@ -1,466 +0,0 @@ -/* -** Bytecode reader. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_bcread_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_bc.h" -#if LJ_HASFFI -#include "lj_ctype.h" -#include "lj_cdata.h" -#endif -#include "lj_lex.h" -#include "lj_bcdump.h" -#include "lj_state.h" - -/* Reuse some lexer fields for our own purposes. */ -#define bcread_flags(ls) ls->level -#define bcread_swap(ls) \ - ((bcread_flags(ls) & BCDUMP_F_BE) != LJ_BE*BCDUMP_F_BE) -#define bcread_oldtop(L, ls) restorestack(L, ls->lastline) -#define bcread_savetop(L, ls, top) \ - ls->lastline = (BCLine)savestack(L, (top)) - -/* -- Input buffer handling ----------------------------------------------- */ - -/* Throw reader error. */ -static LJ_NOINLINE void bcread_error(LexState *ls, ErrMsg em) -{ - lua_State *L = ls->L; - const char *name = ls->chunkarg; - if (*name == BCDUMP_HEAD1) name = "(binary)"; - else if (*name == '@' || *name == '=') name++; - lj_str_pushf(L, "%s: %s", name, err2msg(em)); - lj_err_throw(L, LUA_ERRSYNTAX); -} - -/* Resize input buffer. */ -static void bcread_resize(LexState *ls, MSize len) -{ - if (ls->sb.sz < len) { - MSize sz = ls->sb.sz * 2; - while (len > sz) sz = sz * 2; - lj_str_resizebuf(ls->L, &ls->sb, sz); - /* Caveat: this may change ls->sb.buf which may affect ls->p. */ - } -} - -/* Refill buffer if needed. */ -static LJ_NOINLINE void bcread_fill(LexState *ls, MSize len, int need) -{ - lua_assert(len != 0); - if (len > LJ_MAX_MEM || ls->current < 0) - bcread_error(ls, LJ_ERR_BCBAD); - do { - const char *buf; - size_t size; - if (ls->n) { /* Copy remainder to buffer. */ - if (ls->sb.n) { /* Move down in buffer. */ - lua_assert(ls->p + ls->n == ls->sb.buf + ls->sb.n); - if (ls->n != ls->sb.n) - memmove(ls->sb.buf, ls->p, ls->n); - } else { /* Copy from buffer provided by reader. */ - bcread_resize(ls, len); - memcpy(ls->sb.buf, ls->p, ls->n); - } - ls->p = ls->sb.buf; - } - ls->sb.n = ls->n; - buf = ls->rfunc(ls->L, ls->rdata, &size); /* Get more data from reader. */ - if (buf == NULL || size == 0) { /* EOF? */ - if (need) bcread_error(ls, LJ_ERR_BCBAD); - ls->current = -1; /* Only bad if we get called again. */ - break; - } - if (ls->sb.n) { /* Append to buffer. */ - MSize n = ls->sb.n + (MSize)size; - bcread_resize(ls, n < len ? len : n); - memcpy(ls->sb.buf + ls->sb.n, buf, size); - ls->n = ls->sb.n = n; - ls->p = ls->sb.buf; - } else { /* Return buffer provided by reader. */ - ls->n = (MSize)size; - ls->p = buf; - } - } while (ls->n < len); -} - -/* Need a certain number of bytes. */ -static LJ_AINLINE void bcread_need(LexState *ls, MSize len) -{ - if (LJ_UNLIKELY(ls->n < len)) - bcread_fill(ls, len, 1); -} - -/* Want to read up to a certain number of bytes, but may need less. */ -static LJ_AINLINE void bcread_want(LexState *ls, MSize len) -{ - if (LJ_UNLIKELY(ls->n < len)) - bcread_fill(ls, len, 0); -} - -#define bcread_dec(ls) check_exp(ls->n > 0, ls->n--) -#define bcread_consume(ls, len) check_exp(ls->n >= (len), ls->n -= (len)) - -/* Return memory block from buffer. */ -static uint8_t *bcread_mem(LexState *ls, MSize len) -{ - uint8_t *p = (uint8_t *)ls->p; - bcread_consume(ls, len); - ls->p = (char *)p + len; - return p; -} - -/* Copy memory block from buffer. */ -static void bcread_block(LexState *ls, void *q, MSize len) -{ - memcpy(q, bcread_mem(ls, len), len); -} - -/* Read byte from buffer. */ -static LJ_AINLINE uint32_t bcread_byte(LexState *ls) -{ - bcread_dec(ls); - return (uint32_t)(uint8_t)*ls->p++; -} - -/* Read ULEB128 value from buffer. */ -static uint32_t bcread_uleb128(LexState *ls) -{ - const uint8_t *p = (const uint8_t *)ls->p; - uint32_t v = *p++; - if (LJ_UNLIKELY(v >= 0x80)) { - int sh = 0; - v &= 0x7f; - do { - v |= ((*p & 0x7f) << (sh += 7)); - bcread_dec(ls); - } while (*p++ >= 0x80); - } - bcread_dec(ls); - ls->p = (char *)p; - return v; -} - -/* Read top 32 bits of 33 bit ULEB128 value from buffer. */ -static uint32_t bcread_uleb128_33(LexState *ls) -{ - const uint8_t *p = (const uint8_t *)ls->p; - uint32_t v = (*p++ >> 1); - if (LJ_UNLIKELY(v >= 0x40)) { - int sh = -1; - v &= 0x3f; - do { - v |= ((*p & 0x7f) << (sh += 7)); - bcread_dec(ls); - } while (*p++ >= 0x80); - } - bcread_dec(ls); - ls->p = (char *)p; - return v; -} - -/* -- Bytecode reader ----------------------------------------------------- */ - -/* Read debug info of a prototype. */ -static void bcread_dbg(LexState *ls, GCproto *pt, MSize sizedbg) -{ - void *lineinfo = (void *)proto_lineinfo(pt); - bcread_block(ls, lineinfo, sizedbg); - /* Swap lineinfo if the endianess differs. */ - if (bcread_swap(ls) && pt->numline >= 256) { - MSize i, n = pt->sizebc-1; - if (pt->numline < 65536) { - uint16_t *p = (uint16_t *)lineinfo; - for (i = 0; i < n; i++) p[i] = (uint16_t)((p[i] >> 8)|(p[i] << 8)); - } else { - uint32_t *p = (uint32_t *)lineinfo; - for (i = 0; i < n; i++) p[i] = lj_bswap(p[i]); - } - } -} - -/* Find pointer to varinfo. */ -static const void *bcread_varinfo(GCproto *pt) -{ - const uint8_t *p = proto_uvinfo(pt); - MSize n = pt->sizeuv; - if (n) while (*p++ || --n) ; - return p; -} - -/* Read a single constant key/value of a template table. */ -static void bcread_ktabk(LexState *ls, TValue *o) -{ - MSize tp = bcread_uleb128(ls); - if (tp >= BCDUMP_KTAB_STR) { - MSize len = tp - BCDUMP_KTAB_STR; - const char *p = (const char *)bcread_mem(ls, len); - setstrV(ls->L, o, lj_str_new(ls->L, p, len)); - } else if (tp == BCDUMP_KTAB_INT) { - setintV(o, (int32_t)bcread_uleb128(ls)); - } else if (tp == BCDUMP_KTAB_NUM) { - o->u32.lo = bcread_uleb128(ls); - o->u32.hi = bcread_uleb128(ls); - } else { - lua_assert(tp <= BCDUMP_KTAB_TRUE); - setitype(o, ~tp); - } -} - -/* Read a template table. */ -static GCtab *bcread_ktab(LexState *ls) -{ - MSize narray = bcread_uleb128(ls); - MSize nhash = bcread_uleb128(ls); - GCtab *t = lj_tab_new(ls->L, narray, hsize2hbits(nhash)); - if (narray) { /* Read array entries. */ - MSize i; - TValue *o = tvref(t->array); - for (i = 0; i < narray; i++, o++) - bcread_ktabk(ls, o); - } - if (nhash) { /* Read hash entries. */ - MSize i; - for (i = 0; i < nhash; i++) { - TValue key; - bcread_ktabk(ls, &key); - lua_assert(!tvisnil(&key)); - bcread_ktabk(ls, lj_tab_set(ls->L, t, &key)); - } - } - return t; -} - -/* Read GC constants of a prototype. */ -static void bcread_kgc(LexState *ls, GCproto *pt, MSize sizekgc) -{ - MSize i; - GCRef *kr = mref(pt->k, GCRef) - (ptrdiff_t)sizekgc; - for (i = 0; i < sizekgc; i++, kr++) { - MSize tp = bcread_uleb128(ls); - if (tp >= BCDUMP_KGC_STR) { - MSize len = tp - BCDUMP_KGC_STR; - const char *p = (const char *)bcread_mem(ls, len); - setgcref(*kr, obj2gco(lj_str_new(ls->L, p, len))); - } else if (tp == BCDUMP_KGC_TAB) { - setgcref(*kr, obj2gco(bcread_ktab(ls))); -#if LJ_HASFFI - } else if (tp != BCDUMP_KGC_CHILD) { - CTypeID id = tp == BCDUMP_KGC_COMPLEX ? CTID_COMPLEX_DOUBLE : - tp == BCDUMP_KGC_I64 ? CTID_INT64 : CTID_UINT64; - CTSize sz = tp == BCDUMP_KGC_COMPLEX ? 16 : 8; - GCcdata *cd = lj_cdata_new_(ls->L, id, sz); - TValue *p = (TValue *)cdataptr(cd); - setgcref(*kr, obj2gco(cd)); - p[0].u32.lo = bcread_uleb128(ls); - p[0].u32.hi = bcread_uleb128(ls); - if (tp == BCDUMP_KGC_COMPLEX) { - p[1].u32.lo = bcread_uleb128(ls); - p[1].u32.hi = bcread_uleb128(ls); - } -#endif - } else { - lua_State *L = ls->L; - lua_assert(tp == BCDUMP_KGC_CHILD); - if (L->top <= bcread_oldtop(L, ls)) /* Stack underflow? */ - bcread_error(ls, LJ_ERR_BCBAD); - L->top--; - setgcref(*kr, obj2gco(protoV(L->top))); - } - } -} - -/* Read number constants of a prototype. */ -static void bcread_knum(LexState *ls, GCproto *pt, MSize sizekn) -{ - MSize i; - TValue *o = mref(pt->k, TValue); - for (i = 0; i < sizekn; i++, o++) { - int isnum = (ls->p[0] & 1); - uint32_t lo = bcread_uleb128_33(ls); - if (isnum) { - o->u32.lo = lo; - o->u32.hi = bcread_uleb128(ls); - } else { - setintV(o, lo); - } - } -} - -/* Read bytecode instructions. */ -static void bcread_bytecode(LexState *ls, GCproto *pt, MSize sizebc) -{ - BCIns *bc = proto_bc(pt); - bc[0] = BCINS_AD((pt->flags & PROTO_VARARG) ? BC_FUNCV : BC_FUNCF, - pt->framesize, 0); - bcread_block(ls, bc+1, (sizebc-1)*(MSize)sizeof(BCIns)); - /* Swap bytecode instructions if the endianess differs. */ - if (bcread_swap(ls)) { - MSize i; - for (i = 1; i < sizebc; i++) bc[i] = lj_bswap(bc[i]); - } -} - -/* Read upvalue refs. */ -static void bcread_uv(LexState *ls, GCproto *pt, MSize sizeuv) -{ - if (sizeuv) { - uint16_t *uv = proto_uv(pt); - bcread_block(ls, uv, sizeuv*2); - /* Swap upvalue refs if the endianess differs. */ - if (bcread_swap(ls)) { - MSize i; - for (i = 0; i < sizeuv; i++) - uv[i] = (uint16_t)((uv[i] >> 8)|(uv[i] << 8)); - } - } -} - -/* Read a prototype. */ -static GCproto *bcread_proto(LexState *ls) -{ - GCproto *pt; - MSize framesize, numparams, flags, sizeuv, sizekgc, sizekn, sizebc, sizept; - MSize ofsk, ofsuv, ofsdbg; - MSize sizedbg = 0; - BCLine firstline = 0, numline = 0; - MSize len, startn; - - /* Read length. */ - if (ls->n > 0 && ls->p[0] == 0) { /* Shortcut EOF. */ - ls->n--; ls->p++; - return NULL; - } - bcread_want(ls, 5); - len = bcread_uleb128(ls); - if (!len) return NULL; /* EOF */ - bcread_need(ls, len); - startn = ls->n; - - /* Read prototype header. */ - flags = bcread_byte(ls); - numparams = bcread_byte(ls); - framesize = bcread_byte(ls); - sizeuv = bcread_byte(ls); - sizekgc = bcread_uleb128(ls); - sizekn = bcread_uleb128(ls); - sizebc = bcread_uleb128(ls) + 1; - if (!(bcread_flags(ls) & BCDUMP_F_STRIP)) { - sizedbg = bcread_uleb128(ls); - if (sizedbg) { - firstline = bcread_uleb128(ls); - numline = bcread_uleb128(ls); - } - } - - /* Calculate total size of prototype including all colocated arrays. */ - sizept = (MSize)sizeof(GCproto) + - sizebc*(MSize)sizeof(BCIns) + - sizekgc*(MSize)sizeof(GCRef); - sizept = (sizept + (MSize)sizeof(TValue)-1) & ~((MSize)sizeof(TValue)-1); - ofsk = sizept; sizept += sizekn*(MSize)sizeof(TValue); - ofsuv = sizept; sizept += ((sizeuv+1)&~1)*2; - ofsdbg = sizept; sizept += sizedbg; - - /* Allocate prototype object and initialize its fields. */ - pt = (GCproto *)lj_mem_newgco(ls->L, (MSize)sizept); - pt->gct = ~LJ_TPROTO; - pt->numparams = (uint8_t)numparams; - pt->framesize = (uint8_t)framesize; - pt->sizebc = sizebc; - setmref(pt->k, (char *)pt + ofsk); - setmref(pt->uv, (char *)pt + ofsuv); - pt->sizekgc = 0; /* Set to zero until fully initialized. */ - pt->sizekn = sizekn; - pt->sizept = sizept; - pt->sizeuv = (uint8_t)sizeuv; - pt->flags = (uint8_t)flags; - pt->trace = 0; - setgcref(pt->chunkname, obj2gco(ls->chunkname)); - - /* Close potentially uninitialized gap between bc and kgc. */ - *(uint32_t *)((char *)pt + ofsk - sizeof(GCRef)*(sizekgc+1)) = 0; - - /* Read bytecode instructions and upvalue refs. */ - bcread_bytecode(ls, pt, sizebc); - bcread_uv(ls, pt, sizeuv); - - /* Read constants. */ - bcread_kgc(ls, pt, sizekgc); - pt->sizekgc = sizekgc; - bcread_knum(ls, pt, sizekn); - - /* Read and initialize debug info. */ - pt->firstline = firstline; - pt->numline = numline; - if (sizedbg) { - MSize sizeli = (sizebc-1) << (numline < 256 ? 0 : numline < 65536 ? 1 : 2); - setmref(pt->lineinfo, (char *)pt + ofsdbg); - setmref(pt->uvinfo, (char *)pt + ofsdbg + sizeli); - bcread_dbg(ls, pt, sizedbg); - setmref(pt->varinfo, bcread_varinfo(pt)); - } else { - setmref(pt->lineinfo, NULL); - setmref(pt->uvinfo, NULL); - setmref(pt->varinfo, NULL); - } - - if (len != startn - ls->n) - bcread_error(ls, LJ_ERR_BCBAD); - return pt; -} - -/* Read and check header of bytecode dump. */ -static int bcread_header(LexState *ls) -{ - uint32_t flags; - bcread_want(ls, 3+5+5); - if (bcread_byte(ls) != BCDUMP_HEAD2 || - bcread_byte(ls) != BCDUMP_HEAD3 || - bcread_byte(ls) != BCDUMP_VERSION) return 0; - bcread_flags(ls) = flags = bcread_uleb128(ls); - if ((flags & ~(BCDUMP_F_KNOWN)) != 0) return 0; -#if !LJ_HASFFI - if ((flags & BCDUMP_F_FFI)) return 0; -#endif - if ((flags & BCDUMP_F_STRIP)) { - ls->chunkname = lj_str_newz(ls->L, ls->chunkarg); - } else { - MSize len = bcread_uleb128(ls); - bcread_need(ls, len); - ls->chunkname = lj_str_new(ls->L, (const char *)bcread_mem(ls, len), len); - } - return 1; /* Ok. */ -} - -/* Read a bytecode dump. */ -GCproto *lj_bcread(LexState *ls) -{ - lua_State *L = ls->L; - lua_assert(ls->current == BCDUMP_HEAD1); - bcread_savetop(L, ls, L->top); - lj_str_resetbuf(&ls->sb); - /* Check for a valid bytecode dump header. */ - if (!bcread_header(ls)) - bcread_error(ls, LJ_ERR_BCFMT); - for (;;) { /* Process all prototypes in the bytecode dump. */ - GCproto *pt = bcread_proto(ls); - if (!pt) break; - setprotoV(L, L->top, pt); - incr_top(L); - } - if ((int32_t)ls->n > 0 || L->top-1 != bcread_oldtop(L, ls)) - bcread_error(ls, LJ_ERR_BCBAD); - /* Pop off last prototype. */ - L->top--; - return protoV(L->top); -} - diff --git a/libraries/luajit-2.0/src/lj_bcwrite.c b/libraries/luajit-2.0/src/lj_bcwrite.c deleted file mode 100644 index f177465..0000000 --- a/libraries/luajit-2.0/src/lj_bcwrite.c +++ /dev/null @@ -1,397 +0,0 @@ -/* -** Bytecode writer. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_bcwrite_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_str.h" -#include "lj_bc.h" -#if LJ_HASFFI -#include "lj_ctype.h" -#endif -#if LJ_HASJIT -#include "lj_dispatch.h" -#include "lj_jit.h" -#endif -#include "lj_bcdump.h" -#include "lj_vm.h" - -/* Context for bytecode writer. */ -typedef struct BCWriteCtx { - SBuf sb; /* Output buffer. */ - lua_State *L; /* Lua state. */ - GCproto *pt; /* Root prototype. */ - lua_Writer wfunc; /* Writer callback. */ - void *wdata; /* Writer callback data. */ - int strip; /* Strip debug info. */ - int status; /* Status from writer callback. */ -} BCWriteCtx; - -/* -- Output buffer handling ---------------------------------------------- */ - -/* Resize buffer if needed. */ -static LJ_NOINLINE void bcwrite_resize(BCWriteCtx *ctx, MSize len) -{ - MSize sz = ctx->sb.sz * 2; - while (ctx->sb.n + len > sz) sz = sz * 2; - lj_str_resizebuf(ctx->L, &ctx->sb, sz); -} - -/* Need a certain amount of buffer space. */ -static LJ_AINLINE void bcwrite_need(BCWriteCtx *ctx, MSize len) -{ - if (LJ_UNLIKELY(ctx->sb.n + len > ctx->sb.sz)) - bcwrite_resize(ctx, len); -} - -/* Add memory block to buffer. */ -static void bcwrite_block(BCWriteCtx *ctx, const void *p, MSize len) -{ - uint8_t *q = (uint8_t *)(ctx->sb.buf + ctx->sb.n); - MSize i; - ctx->sb.n += len; - for (i = 0; i < len; i++) q[i] = ((uint8_t *)p)[i]; -} - -/* Add byte to buffer. */ -static LJ_AINLINE void bcwrite_byte(BCWriteCtx *ctx, uint8_t b) -{ - ctx->sb.buf[ctx->sb.n++] = b; -} - -/* Add ULEB128 value to buffer. */ -static void bcwrite_uleb128(BCWriteCtx *ctx, uint32_t v) -{ - MSize n = ctx->sb.n; - uint8_t *p = (uint8_t *)ctx->sb.buf; - for (; v >= 0x80; v >>= 7) - p[n++] = (uint8_t)((v & 0x7f) | 0x80); - p[n++] = (uint8_t)v; - ctx->sb.n = n; -} - -/* -- Bytecode writer ----------------------------------------------------- */ - -/* Write a single constant key/value of a template table. */ -static void bcwrite_ktabk(BCWriteCtx *ctx, cTValue *o, int narrow) -{ - bcwrite_need(ctx, 1+10); - if (tvisstr(o)) { - const GCstr *str = strV(o); - MSize len = str->len; - bcwrite_need(ctx, 5+len); - bcwrite_uleb128(ctx, BCDUMP_KTAB_STR+len); - bcwrite_block(ctx, strdata(str), len); - } else if (tvisint(o)) { - bcwrite_byte(ctx, BCDUMP_KTAB_INT); - bcwrite_uleb128(ctx, intV(o)); - } else if (tvisnum(o)) { - if (!LJ_DUALNUM && narrow) { /* Narrow number constants to integers. */ - lua_Number num = numV(o); - int32_t k = lj_num2int(num); - if (num == (lua_Number)k) { /* -0 is never a constant. */ - bcwrite_byte(ctx, BCDUMP_KTAB_INT); - bcwrite_uleb128(ctx, k); - return; - } - } - bcwrite_byte(ctx, BCDUMP_KTAB_NUM); - bcwrite_uleb128(ctx, o->u32.lo); - bcwrite_uleb128(ctx, o->u32.hi); - } else { - lua_assert(tvispri(o)); - bcwrite_byte(ctx, BCDUMP_KTAB_NIL+~itype(o)); - } -} - -/* Write a template table. */ -static void bcwrite_ktab(BCWriteCtx *ctx, const GCtab *t) -{ - MSize narray = 0, nhash = 0; - if (t->asize > 0) { /* Determine max. length of array part. */ - ptrdiff_t i; - TValue *array = tvref(t->array); - for (i = (ptrdiff_t)t->asize-1; i >= 0; i--) - if (!tvisnil(&array[i])) - break; - narray = (MSize)(i+1); - } - if (t->hmask > 0) { /* Count number of used hash slots. */ - MSize i, hmask = t->hmask; - Node *node = noderef(t->node); - for (i = 0; i <= hmask; i++) - nhash += !tvisnil(&node[i].val); - } - /* Write number of array slots and hash slots. */ - bcwrite_uleb128(ctx, narray); - bcwrite_uleb128(ctx, nhash); - if (narray) { /* Write array entries (may contain nil). */ - MSize i; - TValue *o = tvref(t->array); - for (i = 0; i < narray; i++, o++) - bcwrite_ktabk(ctx, o, 1); - } - if (nhash) { /* Write hash entries. */ - MSize i = nhash; - Node *node = noderef(t->node) + t->hmask; - for (;; node--) - if (!tvisnil(&node->val)) { - bcwrite_ktabk(ctx, &node->key, 0); - bcwrite_ktabk(ctx, &node->val, 1); - if (--i == 0) break; - } - } -} - -/* Write GC constants of a prototype. */ -static void bcwrite_kgc(BCWriteCtx *ctx, GCproto *pt) -{ - MSize i, sizekgc = pt->sizekgc; - GCRef *kr = mref(pt->k, GCRef) - (ptrdiff_t)sizekgc; - for (i = 0; i < sizekgc; i++, kr++) { - GCobj *o = gcref(*kr); - MSize tp, need = 1; - /* Determine constant type and needed size. */ - if (o->gch.gct == ~LJ_TSTR) { - tp = BCDUMP_KGC_STR + gco2str(o)->len; - need = 5+gco2str(o)->len; - } else if (o->gch.gct == ~LJ_TPROTO) { - lua_assert((pt->flags & PROTO_CHILD)); - tp = BCDUMP_KGC_CHILD; -#if LJ_HASFFI - } else if (o->gch.gct == ~LJ_TCDATA) { - CTypeID id = gco2cd(o)->typeid; - need = 1+4*5; - if (id == CTID_INT64) { - tp = BCDUMP_KGC_I64; - } else if (id == CTID_UINT64) { - tp = BCDUMP_KGC_U64; - } else { - lua_assert(id == CTID_COMPLEX_DOUBLE); - tp = BCDUMP_KGC_COMPLEX; - } -#endif - } else { - lua_assert(o->gch.gct == ~LJ_TTAB); - tp = BCDUMP_KGC_TAB; - } - /* Write constant type. */ - bcwrite_need(ctx, need); - bcwrite_uleb128(ctx, tp); - /* Write constant data (if any). */ - if (tp >= BCDUMP_KGC_STR) { - bcwrite_block(ctx, strdata(gco2str(o)), gco2str(o)->len); - } else if (tp == BCDUMP_KGC_TAB) { - bcwrite_ktab(ctx, gco2tab(o)); -#if LJ_HASFFI - } else if (tp != BCDUMP_KGC_CHILD) { - cTValue *p = (TValue *)cdataptr(gco2cd(o)); - bcwrite_uleb128(ctx, p[0].u32.lo); - bcwrite_uleb128(ctx, p[0].u32.hi); - if (tp == BCDUMP_KGC_COMPLEX) { - bcwrite_uleb128(ctx, p[1].u32.lo); - bcwrite_uleb128(ctx, p[1].u32.hi); - } -#endif - } - } -} - -/* Write number constants of a prototype. */ -static void bcwrite_knum(BCWriteCtx *ctx, GCproto *pt) -{ - MSize i, sizekn = pt->sizekn; - cTValue *o = mref(pt->k, TValue); - bcwrite_need(ctx, 10*sizekn); - for (i = 0; i < sizekn; i++, o++) { - int32_t k; - if (tvisint(o)) { - k = intV(o); - goto save_int; - } else { - /* Write a 33 bit ULEB128 for the int (lsb=0) or loword (lsb=1). */ - if (!LJ_DUALNUM) { /* Narrow number constants to integers. */ - lua_Number num = numV(o); - - - k = lj_num2int(num); - if (num == (lua_Number)k) { /* -0 is never a constant. */ - save_int: - bcwrite_uleb128(ctx, 2*(uint32_t)k | ((uint32_t)k & 0x80000000u)); - if (k < 0) { - char *p = &ctx->sb.buf[ctx->sb.n-1]; - *p = (*p & 7) | ((k>>27) & 0x18); - } - continue; - } - } - bcwrite_uleb128(ctx, 1+(2*o->u32.lo | (o->u32.lo & 0x80000000u))); - if (o->u32.lo >= 0x80000000u) { - char *p = &ctx->sb.buf[ctx->sb.n-1]; - *p = (*p & 7) | ((o->u32.lo>>27) & 0x18); - } - bcwrite_uleb128(ctx, o->u32.hi); - } - } -} - -/* Write bytecode instructions. */ -static void bcwrite_bytecode(BCWriteCtx *ctx, GCproto *pt) -{ - MSize nbc = pt->sizebc-1; /* Omit the [JI]FUNC* header. */ -#if LJ_HASJIT - uint8_t *p = (uint8_t *)&ctx->sb.buf[ctx->sb.n]; -#endif - bcwrite_block(ctx, proto_bc(pt)+1, nbc*(MSize)sizeof(BCIns)); -#if LJ_HASJIT - /* Unpatch modified bytecode containing ILOOP/JLOOP etc. */ - if ((pt->flags & PROTO_ILOOP) || pt->trace) { - jit_State *J = L2J(ctx->L); - MSize i; - for (i = 0; i < nbc; i++, p += sizeof(BCIns)) { - BCOp op = (BCOp)p[LJ_ENDIAN_SELECT(0, 3)]; - if (op == BC_IFORL || op == BC_IITERL || op == BC_ILOOP || - op == BC_JFORI) { - p[LJ_ENDIAN_SELECT(0, 3)] = (uint8_t)(op-BC_IFORL+BC_FORL); - } else if (op == BC_JFORL || op == BC_JITERL || op == BC_JLOOP) { - BCReg rd = p[LJ_ENDIAN_SELECT(2, 1)] + (p[LJ_ENDIAN_SELECT(3, 0)] << 8); - BCIns ins = traceref(J, rd)->startins; - p[LJ_ENDIAN_SELECT(0, 3)] = (uint8_t)(op-BC_JFORL+BC_FORL); - p[LJ_ENDIAN_SELECT(2, 1)] = bc_c(ins); - p[LJ_ENDIAN_SELECT(3, 0)] = bc_b(ins); - } - } - } -#endif -} - -/* Write prototype. */ -static void bcwrite_proto(BCWriteCtx *ctx, GCproto *pt) -{ - MSize sizedbg = 0; - - /* Recursively write children of prototype. */ - if ((pt->flags & PROTO_CHILD)) { - ptrdiff_t i, n = pt->sizekgc; - GCRef *kr = mref(pt->k, GCRef) - 1; - for (i = 0; i < n; i++, kr--) { - GCobj *o = gcref(*kr); - if (o->gch.gct == ~LJ_TPROTO) - bcwrite_proto(ctx, gco2pt(o)); - } - } - - /* Start writing the prototype info to a buffer. */ - lj_str_resetbuf(&ctx->sb); - ctx->sb.n = 5; /* Leave room for final size. */ - bcwrite_need(ctx, 4+6*5+(pt->sizebc-1)*(MSize)sizeof(BCIns)+pt->sizeuv*2); - - /* Write prototype header. */ - bcwrite_byte(ctx, (pt->flags & (PROTO_CHILD|PROTO_VARARG|PROTO_FFI))); - bcwrite_byte(ctx, pt->numparams); - bcwrite_byte(ctx, pt->framesize); - bcwrite_byte(ctx, pt->sizeuv); - bcwrite_uleb128(ctx, pt->sizekgc); - bcwrite_uleb128(ctx, pt->sizekn); - bcwrite_uleb128(ctx, pt->sizebc-1); - if (!ctx->strip) { - if (proto_lineinfo(pt)) - sizedbg = pt->sizept - (MSize)((char *)proto_lineinfo(pt) - (char *)pt); - bcwrite_uleb128(ctx, sizedbg); - if (sizedbg) { - bcwrite_uleb128(ctx, pt->firstline); - bcwrite_uleb128(ctx, pt->numline); - } - } - - /* Write bytecode instructions and upvalue refs. */ - bcwrite_bytecode(ctx, pt); - bcwrite_block(ctx, proto_uv(pt), pt->sizeuv*2); - - /* Write constants. */ - bcwrite_kgc(ctx, pt); - bcwrite_knum(ctx, pt); - - /* Write debug info, if not stripped. */ - if (sizedbg) { - bcwrite_need(ctx, sizedbg); - bcwrite_block(ctx, proto_lineinfo(pt), sizedbg); - } - - /* Pass buffer to writer function. */ - if (ctx->status == 0) { - MSize n = ctx->sb.n - 5; - MSize nn = 1 + lj_fls(n)/7; - ctx->sb.n = 5 - nn; - bcwrite_uleb128(ctx, n); /* Fill in final size. */ - lua_assert(ctx->sb.n == 5); - ctx->status = ctx->wfunc(ctx->L, ctx->sb.buf+5-nn, nn+n, ctx->wdata); - } -} - -/* Write header of bytecode dump. */ -static void bcwrite_header(BCWriteCtx *ctx) -{ - GCstr *chunkname = proto_chunkname(ctx->pt); - const char *name = strdata(chunkname); - MSize len = chunkname->len; - lj_str_resetbuf(&ctx->sb); - bcwrite_need(ctx, 5+5+len); - bcwrite_byte(ctx, BCDUMP_HEAD1); - bcwrite_byte(ctx, BCDUMP_HEAD2); - bcwrite_byte(ctx, BCDUMP_HEAD3); - bcwrite_byte(ctx, BCDUMP_VERSION); - bcwrite_byte(ctx, (ctx->strip ? BCDUMP_F_STRIP : 0) + - (LJ_BE ? BCDUMP_F_BE : 0) + - ((ctx->pt->flags & PROTO_FFI) ? BCDUMP_F_FFI : 0)); - if (!ctx->strip) { - bcwrite_uleb128(ctx, len); - bcwrite_block(ctx, name, len); - } - ctx->status = ctx->wfunc(ctx->L, ctx->sb.buf, ctx->sb.n, ctx->wdata); -} - -/* Write footer of bytecode dump. */ -static void bcwrite_footer(BCWriteCtx *ctx) -{ - if (ctx->status == 0) { - uint8_t zero = 0; - ctx->status = ctx->wfunc(ctx->L, &zero, 1, ctx->wdata); - } -} - -/* Protected callback for bytecode writer. */ -static TValue *cpwriter(lua_State *L, lua_CFunction dummy, void *ud) -{ - BCWriteCtx *ctx = (BCWriteCtx *)ud; - UNUSED(dummy); - lj_str_resizebuf(L, &ctx->sb, 1024); /* Avoids resize for most prototypes. */ - bcwrite_header(ctx); - bcwrite_proto(ctx, ctx->pt); - bcwrite_footer(ctx); - return NULL; -} - -/* Write bytecode for a prototype. */ -int lj_bcwrite(lua_State *L, GCproto *pt, lua_Writer writer, void *data, - int strip) -{ - BCWriteCtx ctx; - int status; - ctx.L = L; - ctx.pt = pt; - ctx.wfunc = writer; - ctx.wdata = data; - ctx.strip = strip; - ctx.status = 0; - lj_str_initbuf(&ctx.sb); - status = lj_vm_cpcall(L, NULL, &ctx, cpwriter); - if (status == 0) status = ctx.status; - lj_str_freebuf(G(ctx.L), &ctx.sb); - return status; -} - diff --git a/libraries/luajit-2.0/src/lj_carith.c b/libraries/luajit-2.0/src/lj_carith.c deleted file mode 100644 index b0f4c65..0000000 --- a/libraries/luajit-2.0/src/lj_carith.c +++ /dev/null @@ -1,314 +0,0 @@ -/* -** C data arithmetic. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include "lj_obj.h" - -#if LJ_HASFFI - -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_tab.h" -#include "lj_meta.h" -#include "lj_ctype.h" -#include "lj_cconv.h" -#include "lj_cdata.h" -#include "lj_carith.h" - -/* -- C data arithmetic --------------------------------------------------- */ - -/* Binary operands of an operator converted to ctypes. */ -typedef struct CDArith { - uint8_t *p[2]; - CType *ct[2]; -} CDArith; - -/* Check arguments for arithmetic metamethods. */ -static int carith_checkarg(lua_State *L, CTState *cts, CDArith *ca) -{ - TValue *o = L->base; - int ok = 1; - MSize i; - if (o+1 >= L->top) - lj_err_argt(L, 1, LUA_TCDATA); - for (i = 0; i < 2; i++, o++) { - if (tviscdata(o)) { - GCcdata *cd = cdataV(o); - CTypeID id = (CTypeID)cd->typeid; - CType *ct = ctype_raw(cts, id); - uint8_t *p = (uint8_t *)cdataptr(cd); - if (ctype_isptr(ct->info)) { - p = (uint8_t *)cdata_getptr(p, ct->size); - if (ctype_isref(ct->info)) ct = ctype_rawchild(cts, ct); - } else if (ctype_isfunc(ct->info)) { - p = (uint8_t *)*(void **)p; - ct = ctype_get(cts, - lj_ctype_intern(cts, CTINFO(CT_PTR, CTALIGN_PTR|id), CTSIZE_PTR)); - } - ca->ct[i] = ct; - ca->p[i] = p; - } else if (tvisint(o)) { - ca->ct[i] = ctype_get(cts, CTID_INT32); - ca->p[i] = (uint8_t *)&o->i; - } else if (tvisnum(o)) { - ca->ct[i] = ctype_get(cts, CTID_DOUBLE); - ca->p[i] = (uint8_t *)&o->n; - } else if (tvisnil(o)) { - ca->ct[i] = ctype_get(cts, CTID_P_VOID); - ca->p[i] = (uint8_t *)0; - } else { - ca->ct[i] = NULL; - ca->p[i] = NULL; - ok = 0; - } - } - return ok; -} - -/* Pointer arithmetic. */ -static int carith_ptr(lua_State *L, CTState *cts, CDArith *ca, MMS mm) -{ - CType *ctp = ca->ct[0]; - uint8_t *pp = ca->p[0]; - ptrdiff_t idx; - CTSize sz; - CTypeID id; - GCcdata *cd; - if (ctype_isptr(ctp->info) || ctype_isrefarray(ctp->info)) { - if ((mm == MM_sub || mm == MM_eq || mm == MM_lt || mm == MM_le) && - (ctype_isptr(ca->ct[1]->info) || ctype_isrefarray(ca->ct[1]->info))) { - uint8_t *pp2 = ca->p[1]; - if (mm == MM_eq) { /* Pointer equality. Incompatible pointers are ok. */ - setboolV(L->top-1, (pp == pp2)); - return 1; - } - if (!lj_cconv_compatptr(cts, ctp, ca->ct[1], CCF_IGNQUAL)) - return 0; - if (mm == MM_sub) { /* Pointer difference. */ - intptr_t diff; - sz = lj_ctype_size(cts, ctype_cid(ctp->info)); /* Element size. */ - if (sz == 0 || sz == CTSIZE_INVALID) - return 0; - diff = ((intptr_t)pp - (intptr_t)pp2) / (int32_t)sz; - /* All valid pointer differences on x64 are in (-2^47, +2^47), - ** which fits into a double without loss of precision. - */ - setintptrV(L->top-1, (int32_t)diff); - return 1; - } else if (mm == MM_lt) { /* Pointer comparison (unsigned). */ - setboolV(L->top-1, ((uintptr_t)pp < (uintptr_t)pp2)); - return 1; - } else { - lua_assert(mm == MM_le); - setboolV(L->top-1, ((uintptr_t)pp <= (uintptr_t)pp2)); - return 1; - } - } - if (!((mm == MM_add || mm == MM_sub) && ctype_isnum(ca->ct[1]->info))) - return 0; - lj_cconv_ct_ct(cts, ctype_get(cts, CTID_INT_PSZ), ca->ct[1], - (uint8_t *)&idx, ca->p[1], 0); - if (mm == MM_sub) idx = -idx; - } else if (mm == MM_add && ctype_isnum(ctp->info) && - (ctype_isptr(ca->ct[1]->info) || ctype_isrefarray(ca->ct[1]->info))) { - /* Swap pointer and index. */ - ctp = ca->ct[1]; pp = ca->p[1]; - lj_cconv_ct_ct(cts, ctype_get(cts, CTID_INT_PSZ), ca->ct[0], - (uint8_t *)&idx, ca->p[0], 0); - } else { - return 0; - } - sz = lj_ctype_size(cts, ctype_cid(ctp->info)); /* Element size. */ - if (sz == CTSIZE_INVALID) - return 0; - pp += idx*(int32_t)sz; /* Compute pointer + index. */ - id = lj_ctype_intern(cts, CTINFO(CT_PTR, CTALIGN_PTR|ctype_cid(ctp->info)), - CTSIZE_PTR); - cd = lj_cdata_new(cts, id, CTSIZE_PTR); - *(uint8_t **)cdataptr(cd) = pp; - setcdataV(L, L->top-1, cd); - lj_gc_check(L); - return 1; -} - -/* 64 bit integer arithmetic. */ -static int carith_int64(lua_State *L, CTState *cts, CDArith *ca, MMS mm) -{ - if (ctype_isnum(ca->ct[0]->info) && ca->ct[0]->size <= 8 && - ctype_isnum(ca->ct[1]->info) && ca->ct[1]->size <= 8) { - CTypeID id = (((ca->ct[0]->info & CTF_UNSIGNED) && ca->ct[0]->size == 8) || - ((ca->ct[1]->info & CTF_UNSIGNED) && ca->ct[1]->size == 8)) ? - CTID_UINT64 : CTID_INT64; - CType *ct = ctype_get(cts, id); - GCcdata *cd; - uint64_t u0, u1, *up; - lj_cconv_ct_ct(cts, ct, ca->ct[0], (uint8_t *)&u0, ca->p[0], 0); - if (mm != MM_unm) - lj_cconv_ct_ct(cts, ct, ca->ct[1], (uint8_t *)&u1, ca->p[1], 0); - switch (mm) { - case MM_eq: - setboolV(L->top-1, (u0 == u1)); - return 1; - case MM_lt: - setboolV(L->top-1, - id == CTID_INT64 ? ((int64_t)u0 < (int64_t)u1) : (u0 < u1)); - return 1; - case MM_le: - setboolV(L->top-1, - id == CTID_INT64 ? ((int64_t)u0 <= (int64_t)u1) : (u0 <= u1)); - return 1; - default: break; - } - cd = lj_cdata_new(cts, id, 8); - up = (uint64_t *)cdataptr(cd); - setcdataV(L, L->top-1, cd); - switch (mm) { - case MM_add: *up = u0 + u1; break; - case MM_sub: *up = u0 - u1; break; - case MM_mul: *up = u0 * u1; break; - case MM_div: - if (id == CTID_INT64) - *up = (uint64_t)lj_carith_divi64((int64_t)u0, (int64_t)u1); - else - *up = lj_carith_divu64(u0, u1); - break; - case MM_mod: - if (id == CTID_INT64) - *up = (uint64_t)lj_carith_modi64((int64_t)u0, (int64_t)u1); - else - *up = lj_carith_modu64(u0, u1); - break; - case MM_pow: - if (id == CTID_INT64) - *up = (uint64_t)lj_carith_powi64((int64_t)u0, (int64_t)u1); - else - *up = lj_carith_powu64(u0, u1); - break; - case MM_unm: *up = (uint64_t)-(int64_t)u0; break; - default: lua_assert(0); break; - } - lj_gc_check(L); - return 1; - } - return 0; -} - -/* Handle ctype arithmetic metamethods. */ -static int lj_carith_meta(lua_State *L, CTState *cts, CDArith *ca, MMS mm) -{ - cTValue *tv = NULL; - if (tviscdata(L->base)) - tv = lj_ctype_meta(cts, cdataV(L->base)->typeid, mm); - if (!tv && L->base+1 < L->top && tviscdata(L->base+1)) - tv = lj_ctype_meta(cts, cdataV(L->base+1)->typeid, mm); - if (!tv) { - const char *repr[2]; - int i; - for (i = 0; i < 2; i++) { - if (ca->ct[i]) - repr[i] = strdata(lj_ctype_repr(L, ctype_typeid(cts, ca->ct[i]), NULL)); - else - repr[i] = typename(&L->base[i]); - } - lj_err_callerv(L, mm == MM_len ? LJ_ERR_FFI_BADLEN : - mm == MM_concat ? LJ_ERR_FFI_BADCONCAT : - mm < MM_add ? LJ_ERR_FFI_BADCOMP : LJ_ERR_FFI_BADARITH, - repr[0], repr[1]); - } - return lj_meta_tailcall(L, tv); -} - -/* Arithmetic operators for cdata. */ -int lj_carith_op(lua_State *L, MMS mm) -{ - CTState *cts = ctype_cts(L); - CDArith ca; - if (carith_checkarg(L, cts, &ca)) { - if (carith_int64(L, cts, &ca, mm) || carith_ptr(L, cts, &ca, mm)) { - copyTV(L, &G(L)->tmptv2, L->top-1); /* Remember for trace recorder. */ - return 1; - } - } - return lj_carith_meta(L, cts, &ca, mm); -} - -/* -- 64 bit integer arithmetic helpers ----------------------------------- */ - -#if LJ_32 && LJ_HASJIT -/* Signed/unsigned 64 bit multiplication. */ -int64_t lj_carith_mul64(int64_t a, int64_t b) -{ - return a * b; -} -#endif - -/* Unsigned 64 bit division. */ -uint64_t lj_carith_divu64(uint64_t a, uint64_t b) -{ - if (b == 0) return U64x(80000000,00000000); - return a / b; -} - -/* Signed 64 bit division. */ -int64_t lj_carith_divi64(int64_t a, int64_t b) -{ - if (b == 0 || (a == (int64_t)U64x(80000000,00000000) && b == -1)) - return U64x(80000000,00000000); - return a / b; -} - -/* Unsigned 64 bit modulo. */ -uint64_t lj_carith_modu64(uint64_t a, uint64_t b) -{ - if (b == 0) return U64x(80000000,00000000); - return a % b; -} - -/* Signed 64 bit modulo. */ -int64_t lj_carith_modi64(int64_t a, int64_t b) -{ - if (b == 0) return U64x(80000000,00000000); - if (a == (int64_t)U64x(80000000,00000000) && b == -1) return 0; - return a % b; -} - -/* Unsigned 64 bit x^k. */ -uint64_t lj_carith_powu64(uint64_t x, uint64_t k) -{ - uint64_t y; - if (k == 0) - return 1; - for (; (k & 1) == 0; k >>= 1) x *= x; - y = x; - if ((k >>= 1) != 0) { - for (;;) { - x *= x; - if (k == 1) break; - if (k & 1) y *= x; - k >>= 1; - } - y *= x; - } - return y; -} - -/* Signed 64 bit x^k. */ -int64_t lj_carith_powi64(int64_t x, int64_t k) -{ - if (k == 0) - return 1; - if (k < 0) { - if (x == 0) - return U64x(7fffffff,ffffffff); - else if (x == 1) - return 1; - else if (x == -1) - return (k & 1) ? -1 : 1; - else - return 0; - } - return (int64_t)lj_carith_powu64((uint64_t)x, (uint64_t)k); -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_carith.h b/libraries/luajit-2.0/src/lj_carith.h deleted file mode 100644 index c39594a..0000000 --- a/libraries/luajit-2.0/src/lj_carith.h +++ /dev/null @@ -1,27 +0,0 @@ -/* -** C data arithmetic. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_CARITH_H -#define _LJ_CARITH_H - -#include "lj_obj.h" - -#if LJ_HASFFI - -LJ_FUNC int lj_carith_op(lua_State *L, MMS mm); - -#if LJ_32 && LJ_HASJIT -LJ_FUNC int64_t lj_carith_mul64(int64_t x, int64_t k); -#endif -LJ_FUNC uint64_t lj_carith_divu64(uint64_t a, uint64_t b); -LJ_FUNC int64_t lj_carith_divi64(int64_t a, int64_t b); -LJ_FUNC uint64_t lj_carith_modu64(uint64_t a, uint64_t b); -LJ_FUNC int64_t lj_carith_modi64(int64_t a, int64_t b); -LJ_FUNC uint64_t lj_carith_powu64(uint64_t x, uint64_t k); -LJ_FUNC int64_t lj_carith_powi64(int64_t x, int64_t k); - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_ccall.c b/libraries/luajit-2.0/src/lj_ccall.c deleted file mode 100644 index 5ed1bf5..0000000 --- a/libraries/luajit-2.0/src/lj_ccall.c +++ /dev/null @@ -1,675 +0,0 @@ -/* -** FFI C call handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include "lj_obj.h" - -#if LJ_HASFFI - -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_ctype.h" -#include "lj_cconv.h" -#include "lj_cdata.h" -#include "lj_ccall.h" -#include "lj_trace.h" - -/* Target-specific handling of register arguments. */ -#if LJ_TARGET_X86 -/* -- x86 calling conventions --------------------------------------------- */ - -#if LJ_ABI_WIN - -#define CCALL_HANDLE_STRUCTRET \ - /* Return structs bigger than 8 by reference (on stack only). */ \ - cc->retref = (sz > 8); \ - if (cc->retref) cc->stack[nsp++] = (GPRArg)dp; - -#define CCALL_HANDLE_COMPLEXRET CCALL_HANDLE_STRUCTRET - -#else - -#define CCALL_HANDLE_STRUCTRET \ - cc->retref = 1; /* Return all structs by reference (in reg or on stack). */ \ - if (ngpr < maxgpr) \ - cc->gpr[ngpr++] = (GPRArg)dp; \ - else \ - cc->stack[nsp++] = (GPRArg)dp; - -#define CCALL_HANDLE_COMPLEXRET \ - /* Return complex float in GPRs and complex double by reference. */ \ - cc->retref = (sz > 8); \ - if (cc->retref) { \ - if (ngpr < maxgpr) \ - cc->gpr[ngpr++] = (GPRArg)dp; \ - else \ - cc->stack[nsp++] = (GPRArg)dp; \ - } - -#endif - -#define CCALL_HANDLE_COMPLEXRET2 \ - if (!cc->retref) \ - *(int64_t *)dp = *(int64_t *)sp; /* Copy complex float from GPRs. */ - -#define CCALL_HANDLE_STRUCTARG \ - ngpr = maxgpr; /* Pass all structs by value on the stack. */ - -#define CCALL_HANDLE_COMPLEXARG \ - isfp = 1; /* Pass complex by value on stack. */ - -#define CCALL_HANDLE_REGARG \ - if (!isfp) { /* Only non-FP values may be passed in registers. */ \ - if (n > 1) { /* Anything > 32 bit is passed on the stack. */ \ - if (!LJ_ABI_WIN) ngpr = maxgpr; /* Prevent reordering. */ \ - } else if (ngpr + 1 <= maxgpr) { \ - dp = &cc->gpr[ngpr]; \ - ngpr += n; \ - goto done; \ - } \ - } - -#elif LJ_TARGET_X64 && LJ_ABI_WIN -/* -- Windows/x64 calling conventions ------------------------------------- */ - -#define CCALL_HANDLE_STRUCTRET \ - /* Return structs of size 1, 2, 4 or 8 in a GPR. */ \ - cc->retref = !(sz == 1 || sz == 2 || sz == 4 || sz == 8); \ - if (cc->retref) cc->gpr[ngpr++] = (GPRArg)dp; - -#define CCALL_HANDLE_COMPLEXRET CCALL_HANDLE_STRUCTRET - -#define CCALL_HANDLE_COMPLEXRET2 \ - if (!cc->retref) \ - *(int64_t *)dp = *(int64_t *)sp; /* Copy complex float from GPRs. */ - -#define CCALL_HANDLE_STRUCTARG \ - /* Pass structs of size 1, 2, 4 or 8 in a GPR by value. */ \ - if (!(sz == 1 || sz == 2 || sz == 4 || sz == 8)) { \ - rp = cdataptr(lj_cdata_new(cts, did, sz)); \ - sz = CTSIZE_PTR; /* Pass all other structs by reference. */ \ - } - -#define CCALL_HANDLE_COMPLEXARG \ - /* Pass complex float in a GPR and complex double by reference. */ \ - if (sz != 2*sizeof(float)) { \ - rp = cdataptr(lj_cdata_new(cts, did, sz)); \ - sz = CTSIZE_PTR; \ - } - -/* Windows/x64 argument registers are strictly positional (use ngpr). */ -#define CCALL_HANDLE_REGARG \ - if (isfp) { \ - if (ngpr < 4) { dp = &cc->fpr[ngpr++]; nfpr = ngpr; goto done; } \ - } else { \ - if (ngpr < 4) { dp = &cc->gpr[ngpr++]; goto done; } \ - } - -#elif LJ_TARGET_X64 -/* -- POSIX/x64 calling conventions --------------------------------------- */ - -#define CCALL_HANDLE_STRUCTRET \ - int rcl[2]; rcl[0] = rcl[1] = 0; \ - if (ccall_classify_struct(cts, ctr, rcl, 0)) { \ - cc->retref = 1; /* Return struct by reference. */ \ - cc->gpr[ngpr++] = (GPRArg)dp; \ - } else { \ - cc->retref = 0; /* Return small structs in registers. */ \ - } - -#define CCALL_HANDLE_STRUCTRET2 \ - int rcl[2]; rcl[0] = rcl[1] = 0; \ - ccall_classify_struct(cts, ctr, rcl, 0); \ - ccall_struct_ret(cc, rcl, dp, ctr->size); - -#define CCALL_HANDLE_COMPLEXRET \ - /* Complex values are returned in one or two FPRs. */ \ - cc->retref = 0; - -#define CCALL_HANDLE_COMPLEXRET2 \ - if (ctr->size == 2*sizeof(float)) { /* Copy complex float from FPR. */ \ - *(int64_t *)dp = cc->fpr[0].l[0]; \ - } else { /* Copy non-contiguous complex double from FPRs. */ \ - ((int64_t *)dp)[0] = cc->fpr[0].l[0]; \ - ((int64_t *)dp)[1] = cc->fpr[1].l[0]; \ - } - -#define CCALL_HANDLE_STRUCTARG \ - int rcl[2]; rcl[0] = rcl[1] = 0; \ - if (!ccall_classify_struct(cts, d, rcl, 0)) { \ - cc->nsp = nsp; cc->ngpr = ngpr; cc->nfpr = nfpr; \ - if (ccall_struct_arg(cc, cts, d, rcl, o, narg)) goto err_nyi; \ - nsp = cc->nsp; ngpr = cc->ngpr; nfpr = cc->nfpr; \ - continue; \ - } /* Pass all other structs by value on stack. */ - -#define CCALL_HANDLE_COMPLEXARG \ - isfp = 2; /* Pass complex in FPRs or on stack. Needs postprocessing. */ - -#define CCALL_HANDLE_REGARG \ - if (isfp) { /* Try to pass argument in FPRs. */ \ - if (nfpr + n <= CCALL_NARG_FPR) { \ - dp = &cc->fpr[nfpr]; \ - nfpr += n; \ - goto done; \ - } \ - } else { /* Try to pass argument in GPRs. */ \ - /* Note that reordering is explicitly allowed in the x64 ABI. */ \ - if (n <= 2 && ngpr + n <= maxgpr) { \ - dp = &cc->gpr[ngpr]; \ - ngpr += n; \ - goto done; \ - } \ - } - -#elif LJ_TARGET_ARM -/* -- ARM calling conventions --------------------------------------------- */ - -#define CCALL_HANDLE_STRUCTRET \ - /* Return structs of size <= 4 in a GPR. */ \ - cc->retref = !(sz <= 4); \ - if (cc->retref) cc->gpr[ngpr++] = (GPRArg)dp; - -#define CCALL_HANDLE_COMPLEXRET \ - cc->retref = 1; /* Return all complex values by reference. */ \ - cc->gpr[ngpr++] = (GPRArg)dp; - -#define CCALL_HANDLE_COMPLEXRET2 \ - UNUSED(dp); /* Nothing to do. */ - -#define CCALL_HANDLE_STRUCTARG \ - /* Pass all structs by value in registers and/or on the stack. */ - -#define CCALL_HANDLE_COMPLEXARG \ - /* Pass complex by value in 2 or 4 GPRs. */ - -/* ARM has a softfp ABI. */ -#define CCALL_HANDLE_REGARG \ - if ((d->info & CTF_ALIGN) > CTALIGN_PTR) { \ - if (ngpr < maxgpr) \ - ngpr = (ngpr + 1u) & ~1u; /* Align to regpair. */ \ - else \ - nsp = (nsp + 1u) & ~1u; /* Align argument on stack. */ \ - } \ - if (ngpr < maxgpr) { \ - dp = &cc->gpr[ngpr]; \ - if (ngpr + n > maxgpr) { \ - nsp += ngpr + n - maxgpr; /* Assumes contiguous gpr/stack fields. */ \ - if (nsp > CCALL_MAXSTACK) goto err_nyi; /* Too many arguments. */ \ - ngpr = maxgpr; \ - } else { \ - ngpr += n; \ - } \ - goto done; \ - } - -#elif LJ_TARGET_PPC -/* -- PPC calling conventions --------------------------------------------- */ - -#define CCALL_HANDLE_STRUCTRET \ - cc->retref = 1; /* Return all structs by reference. */ \ - cc->gpr[ngpr++] = (GPRArg)dp; - -#define CCALL_HANDLE_COMPLEXRET \ - /* Complex values are returned in 2 or 4 GPRs. */ \ - cc->retref = 0; - -#define CCALL_HANDLE_COMPLEXRET2 \ - memcpy(dp, sp, ctr->size); /* Copy complex from GPRs. */ - -#define CCALL_HANDLE_STRUCTARG \ - rp = cdataptr(lj_cdata_new(cts, did, sz)); \ - sz = CTSIZE_PTR; /* Pass all structs by reference. */ - -#define CCALL_HANDLE_COMPLEXARG \ - /* Pass complex by value in 2 or 4 GPRs. */ - -#define CCALL_HANDLE_REGARG \ - if (isfp) { /* Try to pass argument in FPRs. */ \ - if (nfpr + 1 <= CCALL_NARG_FPR) { \ - dp = &cc->fpr[nfpr]; \ - nfpr += 1; \ - d = ctype_get(cts, CTID_DOUBLE); /* FPRs always hold doubles. */ \ - goto done; \ - } \ - } else { /* Try to pass argument in GPRs. */ \ - if (n > 1) { \ - lua_assert(n == 2 || n == 4); /* int64_t or complex (float). */ \ - if (ctype_isinteger(d->info)) \ - ngpr = (ngpr + 1u) & ~1u; /* Align int64_t to regpair. */ \ - else if (ngpr + n > maxgpr) \ - ngpr = maxgpr; /* Prevent reordering. */ \ - } \ - if (ngpr + n <= maxgpr) { \ - dp = &cc->gpr[ngpr]; \ - ngpr += n; \ - goto done; \ - } \ - } - -#define CCALL_HANDLE_RET \ - if (ctype_isfp(ctr->info) && ctr->size == sizeof(float)) \ - ctr = ctype_get(cts, CTID_DOUBLE); /* FPRs always hold doubles. */ - -#elif LJ_TARGET_PPCSPE -/* -- PPC/SPE calling conventions ----------------------------------------- */ - -#define CCALL_HANDLE_STRUCTRET \ - cc->retref = 1; /* Return all structs by reference. */ \ - cc->gpr[ngpr++] = (GPRArg)dp; - -#define CCALL_HANDLE_COMPLEXRET \ - /* Complex values are returned in 2 or 4 GPRs. */ \ - cc->retref = 0; - -#define CCALL_HANDLE_COMPLEXRET2 \ - memcpy(dp, sp, ctr->size); /* Copy complex from GPRs. */ - -#define CCALL_HANDLE_STRUCTARG \ - rp = cdataptr(lj_cdata_new(cts, did, sz)); \ - sz = CTSIZE_PTR; /* Pass all structs by reference. */ - -#define CCALL_HANDLE_COMPLEXARG \ - /* Pass complex by value in 2 or 4 GPRs. */ - -/* PPC/SPE has a softfp ABI. */ -#define CCALL_HANDLE_REGARG \ - if (n > 1) { /* Doesn't fit in a single GPR? */ \ - lua_assert(n == 2 || n == 4); /* int64_t, double or complex (float). */ \ - if (n == 2) \ - ngpr = (ngpr + 1u) & ~1u; /* Only align 64 bit value to regpair. */ \ - else if (ngpr + n > maxgpr) \ - ngpr = maxgpr; /* Prevent reordering. */ \ - } \ - if (ngpr + n <= maxgpr) { \ - dp = &cc->gpr[ngpr]; \ - ngpr += n; \ - goto done; \ - } - -#else -#error "Missing calling convention definitions for this architecture" -#endif - -#ifndef CCALL_HANDLE_STRUCTRET2 -#define CCALL_HANDLE_STRUCTRET2 \ - memcpy(dp, sp, ctr->size); /* Copy struct return value from GPRs. */ -#endif - -/* -- x64 struct classification ------------------------------------------- */ - -#if LJ_TARGET_X64 && !LJ_ABI_WIN - -/* Register classes for x64 struct classification. */ -#define CCALL_RCL_INT 1 -#define CCALL_RCL_SSE 2 -#define CCALL_RCL_MEM 4 -/* NYI: classify vectors. */ - -static int ccall_classify_struct(CTState *cts, CType *ct, int *rcl, CTSize ofs); - -/* Classify a C type. */ -static void ccall_classify_ct(CTState *cts, CType *ct, int *rcl, CTSize ofs) -{ - if (ctype_isarray(ct->info)) { - CType *cct = ctype_rawchild(cts, ct); - CTSize eofs, esz = cct->size, asz = ct->size; - for (eofs = 0; eofs < asz; eofs += esz) - ccall_classify_ct(cts, cct, rcl, ofs+eofs); - } else if (ctype_isstruct(ct->info)) { - ccall_classify_struct(cts, ct, rcl, ofs); - } else { - int cl = ctype_isfp(ct->info) ? CCALL_RCL_SSE : CCALL_RCL_INT; - lua_assert(ctype_hassize(ct->info)); - if ((ofs & (ct->size-1))) cl = CCALL_RCL_MEM; /* Unaligned. */ - rcl[(ofs >= 8)] |= cl; - } -} - -/* Recursively classify a struct based on its fields. */ -static int ccall_classify_struct(CTState *cts, CType *ct, int *rcl, CTSize ofs) -{ - if (ct->size > 16) return CCALL_RCL_MEM; /* Too big, gets memory class. */ - while (ct->sib) { - CTSize fofs; - ct = ctype_get(cts, ct->sib); - fofs = ofs+ct->size; - if (ctype_isfield(ct->info)) - ccall_classify_ct(cts, ctype_rawchild(cts, ct), rcl, fofs); - else if (ctype_isbitfield(ct->info)) - rcl[(fofs >= 8)] |= CCALL_RCL_INT; /* NYI: unaligned bitfields? */ - else if (ctype_isxattrib(ct->info, CTA_SUBTYPE)) - ccall_classify_struct(cts, ctype_child(cts, ct), rcl, fofs); - } - return ((rcl[0]|rcl[1]) & CCALL_RCL_MEM); /* Memory class? */ -} - -/* Try to split up a small struct into registers. */ -static int ccall_struct_reg(CCallState *cc, GPRArg *dp, int *rcl) -{ - MSize ngpr = cc->ngpr, nfpr = cc->nfpr; - uint32_t i; - for (i = 0; i < 2; i++) { - lua_assert(!(rcl[i] & CCALL_RCL_MEM)); - if ((rcl[i] & CCALL_RCL_INT)) { /* Integer class takes precedence. */ - if (ngpr >= CCALL_NARG_GPR) return 1; /* Register overflow. */ - cc->gpr[ngpr++] = dp[i]; - } else if ((rcl[i] & CCALL_RCL_SSE)) { - if (nfpr >= CCALL_NARG_FPR) return 1; /* Register overflow. */ - cc->fpr[nfpr++].l[0] = dp[i]; - } - } - cc->ngpr = ngpr; cc->nfpr = nfpr; - return 0; /* Ok. */ -} - -/* Pass a small struct argument. */ -static int ccall_struct_arg(CCallState *cc, CTState *cts, CType *d, int *rcl, - TValue *o, int narg) -{ - GPRArg dp[2]; - dp[0] = dp[1] = 0; - /* Convert to temp. struct. */ - lj_cconv_ct_tv(cts, d, (uint8_t *)dp, o, CCF_ARG(narg)); - if (ccall_struct_reg(cc, dp, rcl)) { /* Register overflow? Pass on stack. */ - MSize nsp = cc->nsp, n = rcl[1] ? 2 : 1; - if (nsp + n > CCALL_MAXSTACK) return 1; /* Too many arguments. */ - cc->nsp = nsp + n; - memcpy(&cc->stack[nsp], dp, n*CTSIZE_PTR); - } - return 0; /* Ok. */ -} - -/* Combine returned small struct. */ -static void ccall_struct_ret(CCallState *cc, int *rcl, uint8_t *dp, CTSize sz) -{ - GPRArg sp[2]; - MSize ngpr = 0, nfpr = 0; - uint32_t i; - for (i = 0; i < 2; i++) { - if ((rcl[i] & CCALL_RCL_INT)) { /* Integer class takes precedence. */ - sp[i] = cc->gpr[ngpr++]; - } else if ((rcl[i] & CCALL_RCL_SSE)) { - sp[i] = cc->fpr[nfpr++].l[0]; - } - } - memcpy(dp, sp, sz); -} -#endif - -/* -- Common C call handling ---------------------------------------------- */ - -/* Infer the destination CTypeID for a vararg argument. */ -CTypeID lj_ccall_ctid_vararg(CTState *cts, cTValue *o) -{ - if (tvisnumber(o)) { - return CTID_DOUBLE; - } else if (tviscdata(o)) { - CTypeID id = cdataV(o)->typeid; - CType *s = ctype_get(cts, id); - if (ctype_isrefarray(s->info)) { - return lj_ctype_intern(cts, - CTINFO(CT_PTR, CTALIGN_PTR|ctype_cid(s->info)), CTSIZE_PTR); - } else if (ctype_isstruct(s->info) || ctype_isfunc(s->info)) { - /* NYI: how to pass a struct by value in a vararg argument? */ - return lj_ctype_intern(cts, CTINFO(CT_PTR, CTALIGN_PTR|id), CTSIZE_PTR); - } else if (ctype_isfp(s->info) && s->size == sizeof(float)) { - return CTID_DOUBLE; - } else { - return id; - } - } else if (tvisstr(o)) { - return CTID_P_CCHAR; - } else if (tvisbool(o)) { - return CTID_BOOL; - } else { - return CTID_P_VOID; - } -} - -/* Setup arguments for C call. */ -static int ccall_set_args(lua_State *L, CTState *cts, CType *ct, - CCallState *cc) -{ - int gcsteps = 0; - TValue *o, *top = L->top; - CTypeID fid; - CType *ctr; - MSize maxgpr, ngpr = 0, nsp = 0, narg; -#if CCALL_NARG_FPR - MSize nfpr = 0; -#endif - - /* Clear unused regs to get some determinism in case of misdeclaration. */ - memset(cc->gpr, 0, sizeof(cc->gpr)); -#if CCALL_NUM_FPR - memset(cc->fpr, 0, sizeof(cc->fpr)); -#endif - -#if LJ_TARGET_X86 - /* x86 has several different calling conventions. */ - cc->resx87 = 0; - switch (ctype_cconv(ct->info)) { - case CTCC_FASTCALL: maxgpr = 2; break; - case CTCC_THISCALL: maxgpr = 1; break; - default: maxgpr = 0; break; - } -#else - maxgpr = CCALL_NARG_GPR; -#endif - - /* Perform required setup for some result types. */ - ctr = ctype_rawchild(cts, ct); - if (ctype_isvector(ctr->info)) { - if (!(CCALL_VECTOR_REG && (ctr->size == 8 || ctr->size == 16))) - goto err_nyi; - } else if (ctype_iscomplex(ctr->info) || ctype_isstruct(ctr->info)) { - /* Preallocate cdata object and anchor it after arguments. */ - CTSize sz = ctr->size; - GCcdata *cd = lj_cdata_new(cts, ctype_cid(ct->info), sz); - void *dp = cdataptr(cd); - setcdataV(L, L->top++, cd); - if (ctype_isstruct(ctr->info)) { - CCALL_HANDLE_STRUCTRET - } else { - CCALL_HANDLE_COMPLEXRET - } -#if LJ_TARGET_X86 - } else if (ctype_isfp(ctr->info)) { - cc->resx87 = ctr->size == sizeof(float) ? 1 : 2; -#endif - } - - /* Skip initial attributes. */ - fid = ct->sib; - while (fid) { - CType *ctf = ctype_get(cts, fid); - if (!ctype_isattrib(ctf->info)) break; - fid = ctf->sib; - } - - /* Walk through all passed arguments. */ - for (o = L->base+1, narg = 1; o < top; o++, narg++) { - CTypeID did; - CType *d; - CTSize sz; - MSize n, isfp = 0, isva = 0; - void *dp, *rp = NULL; - - if (fid) { /* Get argument type from field. */ - CType *ctf = ctype_get(cts, fid); - fid = ctf->sib; - lua_assert(ctype_isfield(ctf->info)); - did = ctype_cid(ctf->info); - } else { - if (!(ct->info & CTF_VARARG)) - lj_err_caller(L, LJ_ERR_FFI_NUMARG); /* Too many arguments. */ - did = lj_ccall_ctid_vararg(cts, o); /* Infer vararg type. */ - isva = 1; - } - d = ctype_raw(cts, did); - sz = d->size; - - /* Find out how (by value/ref) and where (GPR/FPR) to pass an argument. */ - if (ctype_isnum(d->info)) { - if (sz > 8) goto err_nyi; - if ((d->info & CTF_FP)) - isfp = 1; - } else if (ctype_isvector(d->info)) { - if (CCALL_VECTOR_REG && (sz == 8 || sz == 16)) - isfp = 1; - else - goto err_nyi; - } else if (ctype_isstruct(d->info)) { - CCALL_HANDLE_STRUCTARG - } else if (ctype_iscomplex(d->info)) { - CCALL_HANDLE_COMPLEXARG - } else { - sz = CTSIZE_PTR; - } - sz = (sz + CTSIZE_PTR-1) & ~(CTSIZE_PTR-1); - n = sz / CTSIZE_PTR; /* Number of GPRs or stack slots needed. */ - - CCALL_HANDLE_REGARG /* Handle register arguments. */ - - /* Otherwise pass argument on stack. */ - if (CCALL_ALIGN_STACKARG && !rp && (d->info & CTF_ALIGN) > CTALIGN_PTR) { - MSize align = (1u << ctype_align(d->info-CTALIGN_PTR)) -1; - nsp = (nsp + align) & ~align; /* Align argument on stack. */ - } - if (nsp + n > CCALL_MAXSTACK) { /* Too many arguments. */ - err_nyi: - lj_err_caller(L, LJ_ERR_FFI_NYICALL); - } - dp = &cc->stack[nsp]; - nsp += n; - isva = 0; - - done: - if (rp) { /* Pass by reference. */ - gcsteps++; - *(void **)dp = rp; - dp = rp; - } - lj_cconv_ct_tv(cts, d, (uint8_t *)dp, o, CCF_ARG(narg)); - /* Extend passed integers to 32 bits at least. */ - if (ctype_isinteger_or_bool(d->info) && d->size < 4) { - if (d->info & CTF_UNSIGNED) - *(uint32_t *)dp = d->size == 1 ? (uint32_t)*(uint8_t *)dp : - (uint32_t)*(uint16_t *)dp; - else - *(int32_t *)dp = d->size == 1 ? (int32_t)*(int8_t *)dp : - (int32_t)*(int16_t *)dp; - } -#if LJ_TARGET_X64 && LJ_ABI_WIN - if (isva) { /* Windows/x64 mirrors varargs in both register sets. */ - if (nfpr == ngpr) - cc->gpr[ngpr-1] = cc->fpr[ngpr-1].l[0]; - else - cc->fpr[ngpr-1].l[0] = cc->gpr[ngpr-1]; - } -#else - UNUSED(isva); -#endif -#if LJ_TARGET_X64 && !LJ_ABI_WIN - if (isfp == 2 && n == 2 && (uint8_t *)dp == (uint8_t *)&cc->fpr[nfpr-2]) { - cc->fpr[nfpr-1].d[0] = cc->fpr[nfpr-2].d[1]; /* Split complex double. */ - cc->fpr[nfpr-2].d[1] = 0; - } -#else - UNUSED(isfp); -#endif - } - if (fid) lj_err_caller(L, LJ_ERR_FFI_NUMARG); /* Too few arguments. */ - -#if LJ_TARGET_X64 || LJ_TARGET_PPC - cc->nfpr = nfpr; /* Required for vararg functions. */ -#endif - cc->nsp = nsp; - cc->spadj = (CCALL_SPS_FREE + CCALL_SPS_EXTRA)*CTSIZE_PTR; - if (nsp > CCALL_SPS_FREE) - cc->spadj += (((nsp-CCALL_SPS_FREE)*CTSIZE_PTR + 15u) & ~15u); - return gcsteps; -} - -/* Get results from C call. */ -static int ccall_get_results(lua_State *L, CTState *cts, CType *ct, - CCallState *cc, int *ret) -{ - CType *ctr = ctype_rawchild(cts, ct); - uint8_t *sp = (uint8_t *)&cc->gpr[0]; - if (ctype_isvoid(ctr->info)) { - *ret = 0; /* Zero results. */ - return 0; /* No additional GC step. */ - } - *ret = 1; /* One result. */ - if (ctype_isstruct(ctr->info)) { - /* Return cdata object which is already on top of stack. */ - if (!cc->retref) { - void *dp = cdataptr(cdataV(L->top-1)); /* Use preallocated object. */ - CCALL_HANDLE_STRUCTRET2 - } - return 1; /* One GC step. */ - } - if (ctype_iscomplex(ctr->info)) { - /* Return cdata object which is already on top of stack. */ - void *dp = cdataptr(cdataV(L->top-1)); /* Use preallocated object. */ - CCALL_HANDLE_COMPLEXRET2 - return 1; /* One GC step. */ - } - if (LJ_BE && ctype_isinteger_or_bool(ctr->info) && ctr->size < CTSIZE_PTR) - sp += (CTSIZE_PTR - ctr->size); -#ifdef CCALL_HANDLE_RET - CCALL_HANDLE_RET -#endif -#if CCALL_NUM_FPR - if (ctype_isfp(ctr->info) || ctype_isvector(ctr->info)) - sp = (uint8_t *)&cc->fpr[0]; -#endif - /* No reference types end up here, so there's no need for the CTypeID. */ - lua_assert(!(ctype_isrefarray(ctr->info) || ctype_isstruct(ctr->info))); - if (ctype_isenum(ctr->info)) ctr = ctype_child(cts, ctr); - return lj_cconv_tv_ct(cts, ctr, 0, L->top-1, sp); -} - -/* Call C function. */ -int lj_ccall_func(lua_State *L, GCcdata *cd) -{ - CTState *cts = ctype_cts(L); - CType *ct = ctype_raw(cts, cd->typeid); - CTSize sz = CTSIZE_PTR; - if (ctype_isptr(ct->info)) { - sz = ct->size; - ct = ctype_rawchild(cts, ct); - } - if (ctype_isfunc(ct->info)) { - CCallState cc; - int gcsteps, ret; - cc.func = (void (*)(void))cdata_getptr(cdataptr(cd), sz); - gcsteps = ccall_set_args(L, cts, ct, &cc); - cts->cb.slot = ~0u; - lj_vm_ffi_call(&cc); - if (cts->cb.slot != ~0u) { /* Blacklist function that called a callback. */ - TValue tv; - setlightudV(&tv, (void *)cc.func); - setboolV(lj_tab_set(L, cts->miscmap, &tv), 1); - } - gcsteps += ccall_get_results(L, cts, ct, &cc, &ret); -#if LJ_TARGET_X86 && LJ_ABI_WIN - /* Automatically detect __stdcall and fix up C function declaration. */ - if (cc.spadj && ctype_cconv(ct->info) == CTCC_CDECL) { - CTF_INSERT(ct->info, CCONV, CTCC_STDCALL); - lj_trace_abort(G(L)); - } -#endif - while (gcsteps-- > 0) - lj_gc_check(L); - return ret; - } - return -1; /* Not a function. */ -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_ccall.h b/libraries/luajit-2.0/src/lj_ccall.h deleted file mode 100644 index 0641625..0000000 --- a/libraries/luajit-2.0/src/lj_ccall.h +++ /dev/null @@ -1,143 +0,0 @@ -/* -** FFI C call handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_CCALL_H -#define _LJ_CCALL_H - -#include "lj_obj.h" -#include "lj_ctype.h" - -#if LJ_HASFFI - -/* -- C calling conventions ----------------------------------------------- */ - -#if LJ_TARGET_X86ORX64 - -#if LJ_TARGET_X86 -#define CCALL_NARG_GPR 2 /* For fastcall arguments. */ -#define CCALL_NARG_FPR 0 -#define CCALL_NRET_GPR 2 -#define CCALL_NRET_FPR 1 /* For FP results on x87 stack. */ -#define CCALL_ALIGN_STACKARG 0 /* Don't align argument on stack. */ -#elif LJ_ABI_WIN -#define CCALL_NARG_GPR 4 -#define CCALL_NARG_FPR 4 -#define CCALL_NRET_GPR 1 -#define CCALL_NRET_FPR 1 -#define CCALL_SPS_EXTRA 4 -#else -#define CCALL_NARG_GPR 6 -#define CCALL_NARG_FPR 8 -#define CCALL_NRET_GPR 2 -#define CCALL_NRET_FPR 2 -#define CCALL_VECTOR_REG 1 /* Pass vectors in registers. */ -#endif - -#define CCALL_SPS_FREE 1 - -typedef LJ_ALIGN(16) union FPRArg { - double d[2]; - float f[4]; - uint8_t b[16]; - uint16_t s[8]; - int i[4]; - int64_t l[2]; -} FPRArg; - -typedef intptr_t GPRArg; - -#elif LJ_TARGET_ARM - -#define CCALL_NARG_GPR 4 -#define CCALL_NARG_FPR 0 -#define CCALL_NRET_GPR 2 /* For softfp double. */ -#define CCALL_NRET_FPR 0 -#define CCALL_SPS_FREE 0 - -typedef intptr_t GPRArg; - -#elif LJ_TARGET_PPC - -#define CCALL_NARG_GPR 8 -#define CCALL_NARG_FPR 8 -#define CCALL_NRET_GPR 4 /* For complex double. */ -#define CCALL_NRET_FPR 1 -#define CCALL_SPS_EXTRA 4 -#define CCALL_SPS_FREE 0 - -typedef intptr_t GPRArg; -typedef double FPRArg; - -#elif LJ_TARGET_PPCSPE - -#define CCALL_NARG_GPR 8 -#define CCALL_NARG_FPR 0 -#define CCALL_NRET_GPR 4 /* For softfp complex double. */ -#define CCALL_NRET_FPR 0 -#define CCALL_SPS_FREE 0 /* NYI */ - -typedef intptr_t GPRArg; - -#else -#error "Missing calling convention definitions for this architecture" -#endif - -#ifndef CCALL_SPS_EXTRA -#define CCALL_SPS_EXTRA 0 -#endif -#ifndef CCALL_VECTOR_REG -#define CCALL_VECTOR_REG 0 -#endif -#ifndef CCALL_ALIGN_STACKARG -#define CCALL_ALIGN_STACKARG 1 -#endif - -#define CCALL_NUM_GPR \ - (CCALL_NARG_GPR > CCALL_NRET_GPR ? CCALL_NARG_GPR : CCALL_NRET_GPR) -#define CCALL_NUM_FPR \ - (CCALL_NARG_FPR > CCALL_NRET_FPR ? CCALL_NARG_FPR : CCALL_NRET_FPR) - -/* Check against constants in lj_ctype.h. */ -LJ_STATIC_ASSERT(CCALL_NUM_GPR <= CCALL_MAX_GPR); -LJ_STATIC_ASSERT(CCALL_NUM_FPR <= CCALL_MAX_FPR); - -#define CCALL_MAXSTACK 32 - -/* -- C call state -------------------------------------------------------- */ - -typedef struct CCallState { - void (*func)(void); /* Pointer to called function. */ - uint32_t spadj; /* Stack pointer adjustment. */ - uint8_t nsp; /* Number of stack slots. */ - uint8_t retref; /* Return value by reference. */ -#if LJ_TARGET_X64 - uint8_t ngpr; /* Number of arguments in GPRs. */ - uint8_t nfpr; /* Number of arguments in FPRs. */ -#elif LJ_TARGET_X86 - uint8_t resx87; /* Result on x87 stack: 1:float, 2:double. */ -#elif LJ_TARGET_PPC - uint8_t nfpr; /* Number of arguments in FPRs. */ -#endif -#if CCALL_NUM_FPR -#if LJ_32 - int32_t align1; -#endif - FPRArg fpr[CCALL_NUM_FPR]; /* Arguments/results in FPRs. */ -#endif - GPRArg gpr[CCALL_NUM_GPR]; /* Arguments/results in GPRs. */ - GPRArg stack[CCALL_MAXSTACK]; /* Stack slots. */ -} CCallState; - -/* -- C call handling ----------------------------------------------------- */ - -/* Really belongs to lj_vm.h. */ -LJ_ASMF void LJ_FASTCALL lj_vm_ffi_call(CCallState *cc); - -LJ_FUNC CTypeID lj_ccall_ctid_vararg(CTState *cts, cTValue *o); -LJ_FUNC int lj_ccall_func(lua_State *L, GCcdata *cd); - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_ccallback.c b/libraries/luajit-2.0/src/lj_ccallback.c deleted file mode 100644 index f347458..0000000 --- a/libraries/luajit-2.0/src/lj_ccallback.c +++ /dev/null @@ -1,544 +0,0 @@ -/* -** FFI C callback handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include "lj_obj.h" - -#if LJ_HASFFI - -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_tab.h" -#include "lj_state.h" -#include "lj_frame.h" -#include "lj_ctype.h" -#include "lj_cconv.h" -#include "lj_ccall.h" -#include "lj_ccallback.h" -#include "lj_target.h" -#include "lj_mcode.h" -#include "lj_vm.h" - -/* -- Target-specific handling of callback slots -------------------------- */ - -#define CALLBACK_MCODE_SIZE (LJ_PAGESIZE * LJ_NUM_CBPAGE) - -#if LJ_TARGET_X86ORX64 - -#define CALLBACK_MCODE_HEAD (LJ_64 ? 8 : 0) -#define CALLBACK_MCODE_GROUP (-2+1+2+5+(LJ_64 ? 6 : 5)) - -#define CALLBACK_SLOT2OFS(slot) \ - (CALLBACK_MCODE_HEAD + CALLBACK_MCODE_GROUP*((slot)/32) + 4*(slot)) - -static MSize CALLBACK_OFS2SLOT(MSize ofs) -{ - MSize group; - ofs -= CALLBACK_MCODE_HEAD; - group = ofs / (32*4 + CALLBACK_MCODE_GROUP); - return (ofs % (32*4 + CALLBACK_MCODE_GROUP))/4 + group*32; -} - -#define CALLBACK_MAX_SLOT \ - (((CALLBACK_MCODE_SIZE-CALLBACK_MCODE_HEAD)/(CALLBACK_MCODE_GROUP+4*32))*32) - -#elif LJ_TARGET_ARM - -#define CALLBACK_MCODE_HEAD 32 -#define CALLBACK_SLOT2OFS(slot) (CALLBACK_MCODE_HEAD + 8*(slot)) -#define CALLBACK_OFS2SLOT(ofs) (((ofs)-CALLBACK_MCODE_HEAD)/8) -#define CALLBACK_MAX_SLOT (CALLBACK_OFS2SLOT(CALLBACK_MCODE_SIZE)) - -#elif LJ_TARGET_PPC - -#define CALLBACK_MCODE_HEAD 24 -#define CALLBACK_SLOT2OFS(slot) (CALLBACK_MCODE_HEAD + 8*(slot)) -#define CALLBACK_OFS2SLOT(ofs) (((ofs)-CALLBACK_MCODE_HEAD)/8) -#define CALLBACK_MAX_SLOT (CALLBACK_OFS2SLOT(CALLBACK_MCODE_SIZE)) - -#else - -/* Missing support for this architecture. */ -#define CALLBACK_SLOT2OFS(slot) (0*(slot)) -#define CALLBACK_OFS2SLOT(ofs) (0*(ofs)) -#define CALLBACK_MAX_SLOT 0 - -#endif - -/* Convert callback slot number to callback function pointer. */ -static void *callback_slot2ptr(CTState *cts, MSize slot) -{ - return (uint8_t *)cts->cb.mcode + CALLBACK_SLOT2OFS(slot); -} - -/* Convert callback function pointer to slot number. */ -MSize lj_ccallback_ptr2slot(CTState *cts, void *p) -{ - uintptr_t ofs = (uintptr_t)((uint8_t *)p -(uint8_t *)cts->cb.mcode); - if (ofs < CALLBACK_MCODE_SIZE) { - MSize slot = CALLBACK_OFS2SLOT((MSize)ofs); - if (CALLBACK_SLOT2OFS(slot) == (MSize)ofs) - return slot; - } - return ~0u; /* Not a known callback function pointer. */ -} - -/* Initialize machine code for callback function pointers. */ -#if LJ_TARGET_X86ORX64 -static void callback_mcode_init(global_State *g, uint8_t *page) -{ - uint8_t *p = page; - uint8_t *target = (uint8_t *)(void *)lj_vm_ffi_callback; - MSize slot; -#if LJ_64 - *(void **)p = target; p += 8; -#endif - for (slot = 0; slot < CALLBACK_MAX_SLOT; slot++) { - /* mov al, slot; jmp group */ - *p++ = XI_MOVrib | RID_EAX; *p++ = (uint8_t)slot; - if ((slot & 31) == 31 || slot == CALLBACK_MAX_SLOT-1) { - /* push ebp/rbp; mov ah, slot>>8; mov ebp, &g. */ - *p++ = XI_PUSH + RID_EBP; - *p++ = XI_MOVrib | (RID_EAX+4); *p++ = (uint8_t)(slot >> 8); - *p++ = XI_MOVri | RID_EBP; - *(int32_t *)p = i32ptr(g); p += 4; -#if LJ_64 - /* jmp [rip-pageofs] where lj_vm_ffi_callback is stored. */ - *p++ = XI_GROUP5; *p++ = XM_OFS0 + (XOg_JMP<<3) + RID_EBP; - *(int32_t *)p = (int32_t)(page-(p+4)); p += 4; -#else - /* jmp lj_vm_ffi_callback. */ - *p++ = XI_JMP; *(int32_t *)p = target-(p+4); p += 4; -#endif - } else { - *p++ = XI_JMPs; *p++ = (uint8_t)((2+2)*(31-(slot&31)) - 2); - } - } - lua_assert(p - page <= CALLBACK_MCODE_SIZE); -} -#elif LJ_TARGET_ARM -static void callback_mcode_init(global_State *g, uint32_t *page) -{ - uint32_t *p = page; - void *target = (void *)lj_vm_ffi_callback; - MSize slot; - /* This must match with the saveregs macro in buildvm_arm.dasc. */ - *p++ = ARMI_SUB|ARMF_D(RID_R12)|ARMF_N(RID_R12)|ARMF_M(RID_PC); - *p++ = ARMI_PUSH|ARMF_N(RID_SP)|RSET_RANGE(RID_R4,RID_R11+1)|RID2RSET(RID_LR); - *p++ = ARMI_SUB|ARMI_K12|ARMF_D(RID_R12)|ARMF_N(RID_R12)|CALLBACK_MCODE_HEAD; - *p++ = ARMI_STR|ARMI_LS_P|ARMI_LS_W|ARMF_D(RID_R12)|ARMF_N(RID_SP)|(CFRAME_SIZE-4*9); - *p++ = ARMI_LDR|ARMI_LS_P|ARMI_LS_U|ARMF_D(RID_R12)|ARMF_N(RID_PC); - *p++ = ARMI_LDR|ARMI_LS_P|ARMI_LS_U|ARMF_D(RID_PC)|ARMF_N(RID_PC); - *p++ = u32ptr(g); - *p++ = u32ptr(target); - for (slot = 0; slot < CALLBACK_MAX_SLOT; slot++) { - *p++ = ARMI_MOV|ARMF_D(RID_R12)|ARMF_M(RID_PC); - *p = ARMI_B | ((page-p-2) & 0x00ffffffu); - p++; - } - lua_assert(p - page <= CALLBACK_MCODE_SIZE); -} -#elif LJ_TARGET_PPC -static void callback_mcode_init(global_State *g, uint32_t *page) -{ - uint32_t *p = page; - void *target = (void *)lj_vm_ffi_callback; - MSize slot; - *p++ = PPCI_LIS | PPCF_T(RID_TMP) | (u32ptr(target) >> 16); - *p++ = PPCI_LIS | PPCF_T(RID_R12) | (u32ptr(g) >> 16); - *p++ = PPCI_ORI | PPCF_A(RID_TMP)|PPCF_T(RID_TMP) | (u32ptr(target) & 0xffff); - *p++ = PPCI_ORI | PPCF_A(RID_R12)|PPCF_T(RID_R12) | (u32ptr(g) & 0xffff); - *p++ = PPCI_MTCTR | PPCF_T(RID_TMP); - *p++ = PPCI_BCTR; - for (slot = 0; slot < CALLBACK_MAX_SLOT; slot++) { - *p++ = PPCI_LI | PPCF_T(RID_R11) | slot; - *p = PPCI_B | (((page-p) & 0x00ffffffu) << 2); - p++; - } - lua_assert(p - page <= CALLBACK_MCODE_SIZE); -} -#else -/* Missing support for this architecture. */ -#define callback_mcode_init(g, p) UNUSED(p) -#endif - -/* -- Machine code management --------------------------------------------- */ - -#if LJ_TARGET_WINDOWS - -#define WIN32_LEAN_AND_MEAN -#include - -#elif LJ_TARGET_POSIX - -#include -#ifndef MAP_ANONYMOUS -#define MAP_ANONYMOUS MAP_ANON -#endif - -#endif - -/* Allocate and initialize area for callback function pointers. */ -static void callback_mcode_new(CTState *cts) -{ - size_t sz = (size_t)CALLBACK_MCODE_SIZE; - void *p; - if (CALLBACK_MAX_SLOT == 0) - lj_err_caller(cts->L, LJ_ERR_FFI_CBACKOV); -#if LJ_TARGET_WINDOWS - p = VirtualAlloc(NULL, sz, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE); - if (!p) - lj_err_caller(cts->L, LJ_ERR_FFI_CBACKOV); -#elif LJ_TARGET_POSIX - p = mmap(NULL, sz, (PROT_READ|PROT_WRITE), MAP_PRIVATE|MAP_ANONYMOUS, - -1, 0); - if (p == MAP_FAILED) - lj_err_caller(cts->L, LJ_ERR_FFI_CBACKOV); -#else - /* Fallback allocator. Fails if memory is not executable by default. */ - p = lj_mem_new(cts->L, sz); -#endif - cts->cb.mcode = p; - callback_mcode_init(cts->g, p); - lj_mcode_sync(p, (char *)p + sz); -#if LJ_TARGET_WINDOWS - { - DWORD oprot; - VirtualProtect(p, sz, PAGE_EXECUTE_READ, &oprot); - } -#elif LJ_TARGET_POSIX - mprotect(p, sz, (PROT_READ|PROT_EXEC)); -#endif -} - -/* Free area for callback function pointers. */ -void lj_ccallback_mcode_free(CTState *cts) -{ - size_t sz = (size_t)CALLBACK_MCODE_SIZE; - void *p = cts->cb.mcode; - if (p == NULL) return; -#if LJ_TARGET_WINDOWS - VirtualFree(p, 0, MEM_RELEASE); - UNUSED(sz); -#elif LJ_TARGET_POSIX - munmap(p, sz); -#else - lj_mem_free(cts->g, p, sz); -#endif -} - -/* -- C callback entry ---------------------------------------------------- */ - -/* Target-specific handling of register arguments. Similar to lj_ccall.c. */ -#if LJ_TARGET_X86 - -#define CALLBACK_HANDLE_REGARG \ - if (!isfp) { /* Only non-FP values may be passed in registers. */ \ - if (n > 1) { /* Anything > 32 bit is passed on the stack. */ \ - if (!LJ_ABI_WIN) ngpr = maxgpr; /* Prevent reordering. */ \ - } else if (ngpr + 1 <= maxgpr) { \ - sp = &cts->cb.gpr[ngpr]; \ - ngpr += n; \ - goto done; \ - } \ - } - -#elif LJ_TARGET_X64 && LJ_ABI_WIN - -/* Windows/x64 argument registers are strictly positional (use ngpr). */ -#define CALLBACK_HANDLE_REGARG \ - if (isfp) { \ - if (ngpr < 4) { sp = &cts->cb.fpr[ngpr++]; nfpr = ngpr; goto done; } \ - } else { \ - if (ngpr < 4) { sp = &cts->cb.gpr[ngpr++]; goto done; } \ - } - -#elif LJ_TARGET_X64 - -#define CALLBACK_HANDLE_REGARG \ - if (isfp) { \ - if (nfpr + n <= CCALL_NARG_FPR) { \ - sp = &cts->cb.fpr[nfpr]; \ - nfpr += n; \ - goto done; \ - } \ - } else { \ - if (ngpr + n <= maxgpr) { \ - sp = &cts->cb.gpr[ngpr]; \ - ngpr += n; \ - goto done; \ - } \ - } - -#elif LJ_TARGET_ARM - -#define CALLBACK_HANDLE_REGARG \ - if (n > 1) ngpr = (ngpr + 1u) & ~1u; /* Align to regpair. */ \ - if (ngpr + n <= maxgpr) { \ - sp = &cts->cb.gpr[ngpr]; \ - ngpr += n; \ - goto done; \ - } - -#elif LJ_TARGET_PPC - -#define CALLBACK_HANDLE_REGARG \ - if (isfp) { \ - if (nfpr + 1 <= CCALL_NARG_FPR) { \ - sp = &cts->cb.fpr[nfpr]; \ - nfpr += 1; \ - cta = ctype_get(cts, CTID_DOUBLE); /* FPRs always hold doubles. */ \ - goto done; \ - } \ - } else { /* Try to pass argument in GPRs. */ \ - if (n > 1) { \ - lua_assert(ctype_isinteger(cta->info) && n == 2); /* int64_t. */ \ - ngpr = (ngpr + 1u) & ~1u; /* Align int64_t to regpair. */ \ - } \ - if (ngpr + n <= maxgpr) { \ - sp = &cts->cb.gpr[ngpr]; \ - ngpr += n; \ - goto done; \ - } \ - } - -#define CALLBACK_HANDLE_RET \ - if (ctype_isfp(ctr->info) && ctr->size == sizeof(float)) \ - *(double *)dp = *(float *)dp; /* FPRs always hold doubles. */ - -#else -#error "Missing calling convention definitions for this architecture" -#endif - -/* Convert and push callback arguments to Lua stack. */ -static void callback_conv_args(CTState *cts, lua_State *L) -{ - TValue *o = L->top; - intptr_t *stack = cts->cb.stack; - MSize slot = cts->cb.slot; - CTypeID id = 0, rid, fid; - CType *ct; - GCfunc *fn; - MSize ngpr = 0, nsp = 0, maxgpr = CCALL_NARG_GPR; -#if CCALL_NARG_FPR - MSize nfpr = 0; -#endif - - if (slot < cts->cb.sizeid && (id = cts->cb.cbid[slot]) != 0) { - ct = ctype_get(cts, id); - rid = ctype_cid(ct->info); - fn = funcV(lj_tab_getint(cts->miscmap, (int32_t)slot)); - } else { /* Must set up frame first, before throwing the error. */ - ct = NULL; - rid = 0; - fn = (GCfunc *)L; - } - o->u32.lo = LJ_CONT_FFI_CALLBACK; /* Continuation returns from callback. */ - o->u32.hi = rid; /* Return type. x86: +(spadj<<16). */ - o++; - setframe_gc(o, obj2gco(fn)); - setframe_ftsz(o, (int)((char *)(o+1) - (char *)L->base) + FRAME_CONT); - L->top = L->base = ++o; - if (!ct) - lj_err_caller(cts->L, LJ_ERR_FFI_BADCBACK); - if (isluafunc(fn)) - setcframe_pc(L->cframe, proto_bc(funcproto(fn))+1); - lj_state_checkstack(L, LUA_MINSTACK); /* May throw. */ - o = L->base; /* Might have been reallocated. */ - -#if LJ_TARGET_X86 - /* x86 has several different calling conventions. */ - switch (ctype_cconv(ct->info)) { - case CTCC_FASTCALL: maxgpr = 2; break; - case CTCC_THISCALL: maxgpr = 1; break; - default: maxgpr = 0; break; - } -#endif - - fid = ct->sib; - while (fid) { - CType *ctf = ctype_get(cts, fid); - if (!ctype_isattrib(ctf->info)) { - CType *cta; - void *sp; - CTSize sz; - int isfp; - MSize n; - lua_assert(ctype_isfield(ctf->info)); - cta = ctype_rawchild(cts, ctf); - if (ctype_isenum(cta->info)) cta = ctype_child(cts, cta); - isfp = ctype_isfp(cta->info); - sz = (cta->size + CTSIZE_PTR-1) & ~(CTSIZE_PTR-1); - n = sz / CTSIZE_PTR; /* Number of GPRs or stack slots needed. */ - - CALLBACK_HANDLE_REGARG /* Handle register arguments. */ - - /* Otherwise pass argument on stack. */ - if (CCALL_ALIGN_STACKARG && LJ_32 && sz == 8) - nsp = (nsp + 1) & ~1u; /* Align 64 bit argument on stack. */ - sp = &stack[nsp]; - nsp += n; - - done: - if (LJ_BE && cta->size < CTSIZE_PTR) - sp = (void *)((uint8_t *)sp + CTSIZE_PTR-cta->size); - lj_cconv_tv_ct(cts, cta, 0, o++, sp); - } - fid = ctf->sib; - } - L->top = o; -#if LJ_TARGET_X86 - /* Store stack adjustment for returns from fastcall/stdcall callbacks. */ - switch (ctype_cconv(ct->info)) { - case CTCC_FASTCALL: case CTCC_STDCALL: - (L->base-2)->u32.hi |= (nsp << (16+2)); - break; - } -#endif -} - -/* Convert Lua object to callback result. */ -static void callback_conv_result(CTState *cts, lua_State *L, TValue *o) -{ - CType *ctr = ctype_raw(cts, (uint16_t)(L->base-2)->u32.hi); -#if LJ_TARGET_X86 - cts->cb.gpr[2] = 0; -#endif - if (!ctype_isvoid(ctr->info)) { - uint8_t *dp = (uint8_t *)&cts->cb.gpr[0]; -#if CCALL_NUM_FPR - if (ctype_isfp(ctr->info)) - dp = (uint8_t *)&cts->cb.fpr[0]; -#endif - lj_cconv_ct_tv(cts, ctr, dp, o, 0); -#ifdef CALLBACK_HANDLE_RET - CALLBACK_HANDLE_RET -#endif - /* Extend returned integers to (at least) 32 bits. */ - if (ctype_isinteger_or_bool(ctr->info) && ctr->size < 4) { - if (ctr->info & CTF_UNSIGNED) - *(uint32_t *)dp = ctr->size == 1 ? (uint32_t)*(uint8_t *)dp : - (uint32_t)*(uint16_t *)dp; - else - *(int32_t *)dp = ctr->size == 1 ? (int32_t)*(int8_t *)dp : - (int32_t)*(int16_t *)dp; - } -#if LJ_TARGET_X86 - if (ctype_isfp(ctr->info)) - cts->cb.gpr[2] = ctr->size == sizeof(float) ? 1 : 2; -#endif - } -} - -/* Enter callback. */ -lua_State * LJ_FASTCALL lj_ccallback_enter(CTState *cts, void *cf) -{ - lua_State *L = cts->L; - lua_assert(L != NULL); - if (gcref(cts->g->jit_L)) - lj_err_caller(gco2th(gcref(cts->g->jit_L)), LJ_ERR_FFI_BADCBACK); - /* Setup C frame. */ - cframe_prev(cf) = L->cframe; - setcframe_L(cf, L); - cframe_errfunc(cf) = -1; - cframe_nres(cf) = 0; - L->cframe = cf; - callback_conv_args(cts, L); - return L; /* Now call the function on this stack. */ -} - -/* Leave callback. */ -void LJ_FASTCALL lj_ccallback_leave(CTState *cts, TValue *o) -{ - lua_State *L = cts->L; - GCfunc *fn; - TValue *obase = L->base; - L->base = L->top; /* Keep continuation frame for throwing errors. */ - /* PC of RET* is lost. Point to last line for result conv. errors. */ - fn = curr_func(L); - if (isluafunc(fn)) { - GCproto *pt = funcproto(fn); - setcframe_pc(L->cframe, proto_bc(pt)+pt->sizebc+1); - } - callback_conv_result(cts, L, o); - /* Finally drop C frame and continuation frame. */ - L->cframe = cframe_prev(L->cframe); - L->top -= 2; - L->base = obase; -} - -/* -- C callback management ----------------------------------------------- */ - -/* Get an unused slot in the callback slot table. */ -static MSize callback_slot_new(CTState *cts, CType *ct) -{ - CTypeID id = ctype_typeid(cts, ct); - CTypeID1 *cbid = cts->cb.cbid; - MSize top; - for (top = cts->cb.topid; top < cts->cb.sizeid; top++) - if (LJ_LIKELY(cbid[top] == 0)) - goto found; -#if CALLBACK_MAX_SLOT - if (top >= CALLBACK_MAX_SLOT) -#endif - lj_err_caller(cts->L, LJ_ERR_FFI_CBACKOV); - if (!cts->cb.mcode) - callback_mcode_new(cts); - lj_mem_growvec(cts->L, cbid, cts->cb.sizeid, CALLBACK_MAX_SLOT, CTypeID1); - cts->cb.cbid = cbid; - memset(cbid+top, 0, (cts->cb.sizeid-top)*sizeof(CTypeID1)); -found: - cbid[top] = id; - cts->cb.topid = top+1; - return top; -} - -/* Check for function pointer and supported argument/result types. */ -static CType *callback_checkfunc(CTState *cts, CType *ct) -{ - int narg = 0; - if (!ctype_isptr(ct->info) || (LJ_64 && ct->size != CTSIZE_PTR)) - return NULL; - ct = ctype_rawchild(cts, ct); - if (ctype_isfunc(ct->info)) { - CType *ctr = ctype_rawchild(cts, ct); - CTypeID fid = ct->sib; - if (!(ctype_isvoid(ctr->info) || ctype_isenum(ctr->info) || - ctype_isptr(ctr->info) || (ctype_isnum(ctr->info) && ctr->size <= 8))) - return NULL; - if ((ct->info & CTF_VARARG)) - return NULL; - while (fid) { - CType *ctf = ctype_get(cts, fid); - if (!ctype_isattrib(ctf->info)) { - CType *cta; - lua_assert(ctype_isfield(ctf->info)); - cta = ctype_rawchild(cts, ctf); - if (!(ctype_isenum(cta->info) || ctype_isptr(cta->info) || - (ctype_isnum(cta->info) && cta->size <= 8)) || - ++narg >= LUA_MINSTACK-3) - return NULL; - } - fid = ctf->sib; - } - return ct; - } - return NULL; -} - -/* Create a new callback and return the callback function pointer. */ -void *lj_ccallback_new(CTState *cts, CType *ct, GCfunc *fn) -{ - ct = callback_checkfunc(cts, ct); - if (ct) { - MSize slot = callback_slot_new(cts, ct); - GCtab *t = cts->miscmap; - setfuncV(cts->L, lj_tab_setint(cts->L, t, (int32_t)slot), fn); - lj_gc_anybarriert(cts->L, t); - return callback_slot2ptr(cts, slot); - } - return NULL; /* Bad conversion. */ -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_ccallback.h b/libraries/luajit-2.0/src/lj_ccallback.h deleted file mode 100644 index cbdc1e8..0000000 --- a/libraries/luajit-2.0/src/lj_ccallback.h +++ /dev/null @@ -1,25 +0,0 @@ -/* -** FFI C callback handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_CCALLBACK_H -#define _LJ_CCALLBACK_H - -#include "lj_obj.h" -#include "lj_ctype.h" - -#if LJ_HASFFI - -/* Really belongs to lj_vm.h. */ -LJ_ASMF void lj_vm_ffi_callback(void); - -LJ_FUNC MSize lj_ccallback_ptr2slot(CTState *cts, void *p); -LJ_FUNCA lua_State * LJ_FASTCALL lj_ccallback_enter(CTState *cts, void *cf); -LJ_FUNCA void LJ_FASTCALL lj_ccallback_leave(CTState *cts, TValue *o); -LJ_FUNC void *lj_ccallback_new(CTState *cts, CType *ct, GCfunc *fn); -LJ_FUNC void lj_ccallback_mcode_free(CTState *cts); - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_cconv.c b/libraries/luajit-2.0/src/lj_cconv.c deleted file mode 100644 index 9d47835..0000000 --- a/libraries/luajit-2.0/src/lj_cconv.c +++ /dev/null @@ -1,742 +0,0 @@ -/* -** C type conversions. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include "lj_obj.h" - -#if LJ_HASFFI - -#include "lj_err.h" -#include "lj_tab.h" -#include "lj_ctype.h" -#include "lj_cdata.h" -#include "lj_cconv.h" -#include "lj_ccallback.h" - -/* -- Conversion errors --------------------------------------------------- */ - -/* Bad conversion. */ -LJ_NORET static void cconv_err_conv(CTState *cts, CType *d, CType *s, - CTInfo flags) -{ - const char *dst = strdata(lj_ctype_repr(cts->L, ctype_typeid(cts, d), NULL)); - const char *src; - if ((flags & CCF_FROMTV)) - src = lj_obj_typename[1+(ctype_isnum(s->info) ? LUA_TNUMBER : - ctype_isarray(s->info) ? LUA_TSTRING : LUA_TNIL)]; - else - src = strdata(lj_ctype_repr(cts->L, ctype_typeid(cts, s), NULL)); - if (CCF_GETARG(flags)) - lj_err_argv(cts->L, CCF_GETARG(flags), LJ_ERR_FFI_BADCONV, src, dst); - else - lj_err_callerv(cts->L, LJ_ERR_FFI_BADCONV, src, dst); -} - -/* Bad conversion from TValue. */ -LJ_NORET static void cconv_err_convtv(CTState *cts, CType *d, TValue *o, - CTInfo flags) -{ - const char *dst = strdata(lj_ctype_repr(cts->L, ctype_typeid(cts, d), NULL)); - const char *src = typename(o); - if (CCF_GETARG(flags)) - lj_err_argv(cts->L, CCF_GETARG(flags), LJ_ERR_FFI_BADCONV, src, dst); - else - lj_err_callerv(cts->L, LJ_ERR_FFI_BADCONV, src, dst); -} - -/* Initializer overflow. */ -LJ_NORET static void cconv_err_initov(CTState *cts, CType *d) -{ - const char *dst = strdata(lj_ctype_repr(cts->L, ctype_typeid(cts, d), NULL)); - lj_err_callerv(cts->L, LJ_ERR_FFI_INITOV, dst); -} - -/* -- C type compatibility checks ----------------------------------------- */ - -/* Get raw type and qualifiers for a child type. Resolves enums, too. */ -static CType *cconv_childqual(CTState *cts, CType *ct, CTInfo *qual) -{ - ct = ctype_child(cts, ct); - for (;;) { - if (ctype_isattrib(ct->info)) { - if (ctype_attrib(ct->info) == CTA_QUAL) *qual |= ct->size; - } else if (!ctype_isenum(ct->info)) { - break; - } - ct = ctype_child(cts, ct); - } - *qual |= (ct->info & CTF_QUAL); - return ct; -} - -/* Check for compatible types when converting to a pointer. -** Note: these checks are more relaxed than what C99 mandates. -*/ -int lj_cconv_compatptr(CTState *cts, CType *d, CType *s, CTInfo flags) -{ - if (!((flags & CCF_CAST) || d == s)) { - CTInfo dqual = 0, squal = 0; - d = cconv_childqual(cts, d, &dqual); - if (!ctype_isstruct(s->info)) - s = cconv_childqual(cts, s, &squal); - if ((flags & CCF_SAME)) { - if (dqual != squal) - return 0; /* Different qualifiers. */ - } else if (!(flags & CCF_IGNQUAL)) { - if ((dqual & squal) != squal) - return 0; /* Discarded qualifiers. */ - if (ctype_isvoid(d->info) || ctype_isvoid(s->info)) - return 1; /* Converting to/from void * is always ok. */ - } - if (ctype_type(d->info) != ctype_type(s->info) || - d->size != s->size) - return 0; /* Different type or different size. */ - if (ctype_isnum(d->info)) { - if (((d->info ^ s->info) & (CTF_BOOL|CTF_FP))) - return 0; /* Different numeric types. */ - } else if (ctype_ispointer(d->info)) { - /* Check child types for compatibility. */ - return lj_cconv_compatptr(cts, d, s, flags|CCF_SAME); - } else if (ctype_isstruct(d->info)) { - if (d != s) - return 0; /* Must be exact same type for struct/union. */ - } else if (ctype_isfunc(d->info)) { - /* NYI: structural equality of functions. */ - } - } - return 1; /* Types are compatible. */ -} - -/* -- C type to C type conversion ----------------------------------------- */ - -/* Convert C type to C type. Caveat: expects to get the raw CType! -** -** Note: This is only used by the interpreter and not optimized at all. -** The JIT compiler will do a much better job specializing for each case. -*/ -void lj_cconv_ct_ct(CTState *cts, CType *d, CType *s, - uint8_t *dp, uint8_t *sp, CTInfo flags) -{ - CTSize dsize = d->size, ssize = s->size; - CTInfo dinfo = d->info, sinfo = s->info; - void *tmpptr; - - lua_assert(!ctype_isenum(dinfo) && !ctype_isenum(sinfo)); - lua_assert(!ctype_isattrib(dinfo) && !ctype_isattrib(sinfo)); - - if (ctype_type(dinfo) > CT_MAYCONVERT || ctype_type(sinfo) > CT_MAYCONVERT) - goto err_conv; - - /* Some basic sanity checks. */ - lua_assert(!ctype_isnum(dinfo) || dsize > 0); - lua_assert(!ctype_isnum(sinfo) || ssize > 0); - lua_assert(!ctype_isbool(dinfo) || dsize == 1); - lua_assert(!ctype_isbool(sinfo) || ssize == 1); - lua_assert(!ctype_isinteger(dinfo) || (1u< ssize) { /* Zero-extend or sign-extend LSB. */ -#if LJ_LE - uint8_t fill = (!(sinfo & CTF_UNSIGNED) && (sp[ssize-1]&0x80)) ? 0xff : 0; - memcpy(dp, sp, ssize); - memset(dp + ssize, fill, dsize-ssize); -#else - uint8_t fill = (!(sinfo & CTF_UNSIGNED) && (sp[0]&0x80)) ? 0xff : 0; - memset(dp, fill, dsize-ssize); - memcpy(dp + (dsize-ssize), sp, ssize); -#endif - } else { /* Copy LSB. */ -#if LJ_LE - memcpy(dp, sp, dsize); -#else - memcpy(dp, sp + (ssize-dsize), dsize); -#endif - } - break; - case CCX(I, F): { - double n; /* Always convert via double. */ - conv_I_F: - /* Convert source to double. */ - if (ssize == sizeof(double)) n = *(double *)sp; - else if (ssize == sizeof(float)) n = (double)*(float *)sp; - else goto err_conv; /* NYI: long double. */ - /* Then convert double to integer. */ - /* The conversion must exactly match the semantics of JIT-compiled code! */ - if (dsize < 4 || (dsize == 4 && !(dinfo & CTF_UNSIGNED))) { - int32_t i = (int32_t)n; - if (dsize == 4) *(int32_t *)dp = i; - else if (dsize == 2) *(int16_t *)dp = (int16_t)i; - else *(int8_t *)dp = (int8_t)i; - } else if (dsize == 4) { - *(uint32_t *)dp = (uint32_t)n; - } else if (dsize == 8) { - if (!(dinfo & CTF_UNSIGNED)) - *(int64_t *)dp = (int64_t)n; - else - *(uint64_t *)dp = lj_num2u64(n); - } else { - goto err_conv; /* NYI: conversion to >64 bit integers. */ - } - break; - } - case CCX(I, C): - s = ctype_child(cts, s); - sinfo = s->info; - ssize = s->size; - goto conv_I_F; /* Just convert re. */ - case CCX(I, P): - if (!(flags & CCF_CAST)) goto err_conv; - sinfo = CTINFO(CT_NUM, CTF_UNSIGNED); - goto conv_I_I; - case CCX(I, A): - if (!(flags & CCF_CAST)) goto err_conv; - sinfo = CTINFO(CT_NUM, CTF_UNSIGNED); - ssize = CTSIZE_PTR; - tmpptr = sp; - sp = (uint8_t *)&tmpptr; - goto conv_I_I; - - /* Destination is a floating-point number. */ - case CCX(F, B): - case CCX(F, I): { - double n; /* Always convert via double. */ - conv_F_I: - /* First convert source to double. */ - /* The conversion must exactly match the semantics of JIT-compiled code! */ - if (ssize < 4 || (ssize == 4 && !(sinfo & CTF_UNSIGNED))) { - int32_t i; - if (ssize == 4) { - i = *(int32_t *)sp; - } else if (!(sinfo & CTF_UNSIGNED)) { - if (ssize == 2) i = *(int16_t *)sp; - else i = *(int8_t *)sp; - } else { - if (ssize == 2) i = *(uint16_t *)sp; - else i = *(uint8_t *)sp; - } - n = (double)i; - } else if (ssize == 4) { - n = (double)*(uint32_t *)sp; - } else if (ssize == 8) { - if (!(sinfo & CTF_UNSIGNED)) n = (double)*(int64_t *)sp; - else n = (double)*(uint64_t *)sp; - } else { - goto err_conv; /* NYI: conversion from >64 bit integers. */ - } - /* Convert double to destination. */ - if (dsize == sizeof(double)) *(double *)dp = n; - else if (dsize == sizeof(float)) *(float *)dp = (float)n; - else goto err_conv; /* NYI: long double. */ - break; - } - case CCX(F, F): { - double n; /* Always convert via double. */ - conv_F_F: - if (ssize == dsize) goto copyval; - /* Convert source to double. */ - if (ssize == sizeof(double)) n = *(double *)sp; - else if (ssize == sizeof(float)) n = (double)*(float *)sp; - else goto err_conv; /* NYI: long double. */ - /* Convert double to destination. */ - if (dsize == sizeof(double)) *(double *)dp = n; - else if (dsize == sizeof(float)) *(float *)dp = (float)n; - else goto err_conv; /* NYI: long double. */ - break; - } - case CCX(F, C): - s = ctype_child(cts, s); - sinfo = s->info; - ssize = s->size; - goto conv_F_F; /* Ignore im, and convert from re. */ - - /* Destination is a complex number. */ - case CCX(C, I): - d = ctype_child(cts, d); - dinfo = d->info; - dsize = d->size; - memset(dp + dsize, 0, dsize); /* Clear im. */ - goto conv_F_I; /* Convert to re. */ - case CCX(C, F): - d = ctype_child(cts, d); - dinfo = d->info; - dsize = d->size; - memset(dp + dsize, 0, dsize); /* Clear im. */ - goto conv_F_F; /* Convert to re. */ - - case CCX(C, C): - if (dsize != ssize) { /* Different types: convert re/im separately. */ - CType *dc = ctype_child(cts, d); - CType *sc = ctype_child(cts, s); - lj_cconv_ct_ct(cts, dc, sc, dp, sp, flags); - lj_cconv_ct_ct(cts, dc, sc, dp + dc->size, sp + sc->size, flags); - return; - } - goto copyval; /* Otherwise this is easy. */ - - /* Destination is a vector. */ - case CCX(V, I): - case CCX(V, F): - case CCX(V, C): { - CType *dc = ctype_child(cts, d); - CTSize esize; - /* First convert the scalar to the first element. */ - lj_cconv_ct_ct(cts, dc, s, dp, sp, flags); - /* Then replicate it to the other elements (splat). */ - for (sp = dp, esize = dc->size; dsize > esize; dsize -= esize) { - dp += esize; - memcpy(dp, sp, esize); - } - break; - } - - case CCX(V, V): - /* Copy same-sized vectors, even for different lengths/element-types. */ - if (dsize != ssize) goto err_conv; - goto copyval; - - /* Destination is a pointer. */ - case CCX(P, I): - if (!(flags & CCF_CAST)) goto err_conv; - dinfo = CTINFO(CT_NUM, CTF_UNSIGNED); - goto conv_I_I; - - case CCX(P, F): - if (!(flags & CCF_CAST) || !(flags & CCF_FROMTV)) goto err_conv; - /* The signed conversion is cheaper. x64 really has 47 bit pointers. */ - dinfo = CTINFO(CT_NUM, (LJ_64 && dsize == 8) ? 0 : CTF_UNSIGNED); - goto conv_I_F; - - case CCX(P, P): - if (!lj_cconv_compatptr(cts, d, s, flags)) goto err_conv; - cdata_setptr(dp, dsize, cdata_getptr(sp, ssize)); - break; - - case CCX(P, A): - case CCX(P, S): - if (!lj_cconv_compatptr(cts, d, s, flags)) goto err_conv; - cdata_setptr(dp, dsize, sp); - break; - - /* Destination is an array. */ - case CCX(A, A): - if ((flags & CCF_CAST) || (d->info & CTF_VLA) || dsize != ssize || - d->size == CTSIZE_INVALID || !lj_cconv_compatptr(cts, d, s, flags)) - goto err_conv; - goto copyval; - - /* Destination is a struct/union. */ - case CCX(S, S): - if ((flags & CCF_CAST) || (d->info & CTF_VLA) || d != s) - goto err_conv; /* Must be exact same type. */ -copyval: /* Copy value. */ - lua_assert(dsize == ssize); - memcpy(dp, sp, dsize); - break; - - default: - err_conv: - cconv_err_conv(cts, d, s, flags); - } -} - -/* -- C type to TValue conversion ----------------------------------------- */ - -/* Convert C type to TValue. Caveat: expects to get the raw CType! */ -int lj_cconv_tv_ct(CTState *cts, CType *s, CTypeID sid, - TValue *o, uint8_t *sp) -{ - CTInfo sinfo = s->info; - lua_assert(!ctype_isenum(sinfo)); - if (ctype_isnum(sinfo)) { - if (!ctype_isbool(sinfo)) { - if (ctype_isinteger(sinfo) && s->size > 4) goto copyval; - if (LJ_DUALNUM && ctype_isinteger(sinfo)) { - int32_t i; - lj_cconv_ct_ct(cts, ctype_get(cts, CTID_INT32), s, - (uint8_t *)&i, sp, 0); - if ((sinfo & CTF_UNSIGNED) && i < 0) - setnumV(o, (lua_Number)(uint32_t)i); - else - setintV(o, i); - } else { - lj_cconv_ct_ct(cts, ctype_get(cts, CTID_DOUBLE), s, - (uint8_t *)&o->n, sp, 0); - /* Numbers are NOT canonicalized here! Beware of uninitialized data. */ - lua_assert(tvisnum(o)); - } - } else { - uint32_t b = (*sp != 0); - setboolV(o, b); - setboolV(&cts->g->tmptv2, b); /* Remember for trace recorder. */ - } - return 0; - } else if (ctype_isrefarray(sinfo) || ctype_isstruct(sinfo)) { - /* Create reference. */ - setcdataV(cts->L, o, lj_cdata_newref(cts, sp, sid)); - return 1; /* Need GC step. */ - } else { - GCcdata *cd; - CTSize sz; - copyval: /* Copy value. */ - sz = s->size; - lua_assert(sz != CTSIZE_INVALID); - /* Attributes are stripped, qualifiers are kept (but mostly ignored). */ - cd = lj_cdata_new(cts, ctype_typeid(cts, s), sz); - setcdataV(cts->L, o, cd); - memcpy(cdataptr(cd), sp, sz); - return 1; /* Need GC step. */ - } -} - -/* Convert bitfield to TValue. */ -int lj_cconv_tv_bf(CTState *cts, CType *s, TValue *o, uint8_t *sp) -{ - CTInfo info = s->info; - CTSize pos, bsz; - uint32_t val; - lua_assert(ctype_isbitfield(info)); - /* NYI: packed bitfields may cause misaligned reads. */ - switch (ctype_bitcsz(info)) { - case 4: val = *(uint32_t *)sp; break; - case 2: val = *(uint16_t *)sp; break; - case 1: val = *(uint8_t *)sp; break; - default: lua_assert(0); val = 0; break; - } - /* Check if a packed bitfield crosses a container boundary. */ - pos = ctype_bitpos(info); - bsz = ctype_bitbsz(info); - lua_assert(pos < 8*ctype_bitcsz(info)); - lua_assert(bsz > 0 && bsz <= 8*ctype_bitcsz(info)); - if (pos + bsz > 8*ctype_bitcsz(info)) - lj_err_caller(cts->L, LJ_ERR_FFI_NYIPACKBIT); - if (!(info & CTF_BOOL)) { - CTSize shift = 32 - bsz; - if (!(info & CTF_UNSIGNED)) { - setintV(o, (int32_t)(val << (shift-pos)) >> shift); - } else { - val = (val << (shift-pos)) >> shift; - if (!LJ_DUALNUM || (int32_t)val < 0) - setnumV(o, (lua_Number)(uint32_t)val); - else - setintV(o, (int32_t)val); - } - } else { - lua_assert(bsz == 1); - setboolV(o, (val >> pos) & 1); - } - return 0; /* No GC step needed. */ -} - -/* -- TValue to C type conversion ----------------------------------------- */ - -/* Convert table to array. */ -static void cconv_array_tab(CTState *cts, CType *d, - uint8_t *dp, GCtab *t, CTInfo flags) -{ - int32_t i; - CType *dc = ctype_rawchild(cts, d); /* Array element type. */ - CTSize size = d->size, esize = dc->size, ofs = 0; - for (i = 0; ; i++) { - TValue *tv = (TValue *)lj_tab_getint(t, i); - if (!tv || tvisnil(tv)) { - if (i == 0) continue; /* Try again for 1-based tables. */ - break; /* Stop at first nil. */ - } - if (ofs >= size) - cconv_err_initov(cts, d); - lj_cconv_ct_tv(cts, dc, dp + ofs, tv, flags); - ofs += esize; - } - if (size != CTSIZE_INVALID) { /* Only fill up arrays with known size. */ - if (ofs == esize) { /* Replicate a single element. */ - for (; ofs < size; ofs += esize) memcpy(dp + ofs, dp, esize); - } else { /* Otherwise fill the remainder with zero. */ - memset(dp + ofs, 0, size - ofs); - } - } -} - -/* Convert table to sub-struct/union. */ -static void cconv_substruct_tab(CTState *cts, CType *d, uint8_t *dp, - GCtab *t, int32_t *ip, CTInfo flags) -{ - CTypeID id = d->sib; - while (id) { - CType *df = ctype_get(cts, id); - id = df->sib; - if (ctype_isfield(df->info) || ctype_isbitfield(df->info)) { - TValue *tv; - int32_t i = *ip; - if (!gcref(df->name)) continue; /* Ignore unnamed fields. */ - if (i >= 0) { - retry: - tv = (TValue *)lj_tab_getint(t, i); - if (!tv || tvisnil(tv)) { - if (i == 0) { i = 1; goto retry; } /* 1-based tables. */ - break; /* Stop at first nil. */ - } - *ip = i + 1; - } else { - tv = (TValue *)lj_tab_getstr(t, gco2str(gcref(df->name))); - if (!tv || tvisnil(tv)) continue; - } - if (ctype_isfield(df->info)) - lj_cconv_ct_tv(cts, ctype_rawchild(cts, df), dp+df->size, tv, flags); - else - lj_cconv_bf_tv(cts, df, dp+df->size, tv); - if ((d->info & CTF_UNION)) break; - } else if (ctype_isxattrib(df->info, CTA_SUBTYPE)) { - cconv_substruct_tab(cts, ctype_child(cts, df), dp+df->size, t, ip, flags); - } /* Ignore all other entries in the chain. */ - } -} - -/* Convert table to struct/union. */ -static void cconv_struct_tab(CTState *cts, CType *d, - uint8_t *dp, GCtab *t, CTInfo flags) -{ - int32_t i = 0; - memset(dp, 0, d->size); /* Much simpler to clear the struct first. */ - if (t->hmask) i = -1; else if (t->asize == 0) return; /* Fast exit. */ - cconv_substruct_tab(cts, d, dp, t, &i, flags); -} - -/* Convert TValue to C type. Caveat: expects to get the raw CType! */ -void lj_cconv_ct_tv(CTState *cts, CType *d, - uint8_t *dp, TValue *o, CTInfo flags) -{ - CTypeID sid = CTID_P_VOID; - CType *s; - void *tmpptr; - uint8_t tmpbool, *sp = (uint8_t *)&tmpptr; - if (LJ_LIKELY(tvisint(o))) { - sp = (uint8_t *)&o->i; - sid = CTID_INT32; - flags |= CCF_FROMTV; - } else if (LJ_LIKELY(tvisnum(o))) { - sp = (uint8_t *)&o->n; - sid = CTID_DOUBLE; - flags |= CCF_FROMTV; - } else if (tviscdata(o)) { - sp = cdataptr(cdataV(o)); - sid = cdataV(o)->typeid; - s = ctype_get(cts, sid); - if (ctype_isref(s->info)) { /* Resolve reference for value. */ - lua_assert(s->size == CTSIZE_PTR); - sp = *(void **)sp; - sid = ctype_cid(s->info); - } - s = ctype_raw(cts, sid); - if (ctype_isfunc(s->info)) { - sid = lj_ctype_intern(cts, CTINFO(CT_PTR, CTALIGN_PTR|sid), CTSIZE_PTR); - } else { - if (ctype_isenum(s->info)) s = ctype_child(cts, s); - goto doconv; - } - } else if (tvisstr(o)) { - GCstr *str = strV(o); - if (ctype_isenum(d->info)) { /* Match string against enum constant. */ - CTSize ofs; - CType *cct = lj_ctype_getfield(cts, d, str, &ofs); - if (!cct || !ctype_isconstval(cct->info)) - goto err_conv; - lua_assert(d->size == 4); - sp = (uint8_t *)&cct->size; - sid = ctype_cid(cct->info); - } else if (ctype_isrefarray(d->info)) { /* Copy string to array. */ - CType *dc = ctype_rawchild(cts, d); - CTSize sz = str->len+1; - if (!ctype_isinteger(dc->info) || dc->size != 1) - goto err_conv; - if (d->size != 0 && d->size < sz) - sz = d->size; - memcpy(dp, strdata(str), sz); - return; - } else { /* Otherwise pass it as a const char[]. */ - sp = (uint8_t *)strdata(str); - sid = CTID_A_CCHAR; - flags |= CCF_FROMTV; - } - } else if (tvistab(o)) { - if (ctype_isarray(d->info)) { - cconv_array_tab(cts, d, dp, tabV(o), flags); - return; - } else if (ctype_isstruct(d->info)) { - cconv_struct_tab(cts, d, dp, tabV(o), flags); - return; - } else { - goto err_conv; - } - } else if (tvisbool(o)) { - tmpbool = boolV(o); - sp = &tmpbool; - sid = CTID_BOOL; - } else if (tvisnil(o)) { - tmpptr = (void *)0; - flags |= CCF_FROMTV; - } else if (tvisudata(o)) { - tmpptr = uddata(udataV(o)); - } else if (tvislightud(o)) { - tmpptr = lightudV(o); - } else if (tvisfunc(o)) { - void *p = lj_ccallback_new(cts, d, funcV(o)); - if (p) { - *(void **)dp = p; - return; - } - goto err_conv; - } else { - err_conv: - cconv_err_convtv(cts, d, o, flags); - } - s = ctype_get(cts, sid); -doconv: - if (ctype_isenum(d->info)) d = ctype_child(cts, d); - lj_cconv_ct_ct(cts, d, s, dp, sp, flags); -} - -/* Convert TValue to bitfield. */ -void lj_cconv_bf_tv(CTState *cts, CType *d, uint8_t *dp, TValue *o) -{ - CTInfo info = d->info; - CTSize pos, bsz; - uint32_t val, mask; - lua_assert(ctype_isbitfield(info)); - if ((info & CTF_BOOL)) { - uint8_t tmpbool; - lua_assert(ctype_bitbsz(info) == 1); - lj_cconv_ct_tv(cts, ctype_get(cts, CTID_BOOL), &tmpbool, o, 0); - val = tmpbool; - } else { - CTypeID did = (info & CTF_UNSIGNED) ? CTID_UINT32 : CTID_INT32; - lj_cconv_ct_tv(cts, ctype_get(cts, did), (uint8_t *)&val, o, 0); - } - pos = ctype_bitpos(info); - bsz = ctype_bitbsz(info); - lua_assert(pos < 8*ctype_bitcsz(info)); - lua_assert(bsz > 0 && bsz <= 8*ctype_bitcsz(info)); - /* Check if a packed bitfield crosses a container boundary. */ - if (pos + bsz > 8*ctype_bitcsz(info)) - lj_err_caller(cts->L, LJ_ERR_FFI_NYIPACKBIT); - mask = ((1u << bsz) - 1u) << pos; - val = (val << pos) & mask; - /* NYI: packed bitfields may cause misaligned reads/writes. */ - switch (ctype_bitcsz(info)) { - case 4: *(uint32_t *)dp = (*(uint32_t *)dp & ~mask) | (uint32_t)val; break; - case 2: *(uint16_t *)dp = (*(uint16_t *)dp & ~mask) | (uint16_t)val; break; - case 1: *(uint8_t *)dp = (*(uint8_t *)dp & ~mask) | (uint8_t)val; break; - default: lua_assert(0); break; - } -} - -/* -- Initialize C type with TValues -------------------------------------- */ - -/* Initialize an array with TValues. */ -static void cconv_array_init(CTState *cts, CType *d, CTSize sz, uint8_t *dp, - TValue *o, MSize len) -{ - CType *dc = ctype_rawchild(cts, d); /* Array element type. */ - CTSize ofs, esize = dc->size; - MSize i; - if (len*esize > sz) - cconv_err_initov(cts, d); - for (i = 0, ofs = 0; i < len; i++, ofs += esize) - lj_cconv_ct_tv(cts, dc, dp + ofs, o + i, 0); - if (ofs == esize) { /* Replicate a single element. */ - for (; ofs < sz; ofs += esize) memcpy(dp + ofs, dp, esize); - } else { /* Otherwise fill the remainder with zero. */ - memset(dp + ofs, 0, sz - ofs); - } -} - -/* Initialize a sub-struct/union with TValues. */ -static void cconv_substruct_init(CTState *cts, CType *d, uint8_t *dp, - TValue *o, MSize len, MSize *ip) -{ - CTypeID id = d->sib; - while (id) { - CType *df = ctype_get(cts, id); - id = df->sib; - if (ctype_isfield(df->info) || ctype_isbitfield(df->info)) { - MSize i = *ip; - if (!gcref(df->name)) continue; /* Ignore unnamed fields. */ - if (i >= len) break; - *ip = i + 1; - if (ctype_isfield(df->info)) - lj_cconv_ct_tv(cts, ctype_rawchild(cts, df), dp+df->size, o + i, 0); - else - lj_cconv_bf_tv(cts, df, dp+df->size, o + i); - if ((d->info & CTF_UNION)) break; - } else if (ctype_isxattrib(df->info, CTA_SUBTYPE)) { - cconv_substruct_init(cts, ctype_child(cts, df), dp+df->size, o, len, ip); - } /* Ignore all other entries in the chain. */ - } -} - -/* Initialize a struct/union with TValues. */ -static void cconv_struct_init(CTState *cts, CType *d, CTSize sz, uint8_t *dp, - TValue *o, MSize len) -{ - MSize i = 0; - memset(dp, 0, sz); /* Much simpler to clear the struct first. */ - cconv_substruct_init(cts, d, dp, o, len, &i); - if (i < len) - cconv_err_initov(cts, d); -} - -/* Check whether to use a multi-value initializer. -** This is true if an aggregate is to be initialized with a value. -** Valarrays are treated as values here so ct_tv handles (V|C, I|F). -*/ -int lj_cconv_multi_init(CType *d, TValue *o) -{ - if (!(ctype_isrefarray(d->info) || ctype_isstruct(d->info))) - return 0; /* Destination is not an aggregate. */ - if (tvistab(o) || (tvisstr(o) && !ctype_isstruct(d->info))) - return 0; /* Initializer is not a value. */ - return 1; /* Otherwise the initializer is a value. */ -} - -/* Initialize C type with TValues. Caveat: expects to get the raw CType! */ -void lj_cconv_ct_init(CTState *cts, CType *d, CTSize sz, - uint8_t *dp, TValue *o, MSize len) -{ - if (len == 0) - memset(dp, 0, sz); - else if (len == 1 && !lj_cconv_multi_init(d, o)) - lj_cconv_ct_tv(cts, d, dp, o, 0); - else if (ctype_isarray(d->info)) /* Also handles valarray init with len>1. */ - cconv_array_init(cts, d, sz, dp, o, len); - else if (ctype_isstruct(d->info)) - cconv_struct_init(cts, d, sz, dp, o, len); - else - cconv_err_initov(cts, d); -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_cconv.h b/libraries/luajit-2.0/src/lj_cconv.h deleted file mode 100644 index 47c1459..0000000 --- a/libraries/luajit-2.0/src/lj_cconv.h +++ /dev/null @@ -1,70 +0,0 @@ -/* -** C type conversions. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_CCONV_H -#define _LJ_CCONV_H - -#include "lj_obj.h" -#include "lj_ctype.h" - -#if LJ_HASFFI - -/* Compressed C type index. ORDER CCX. */ -enum { - CCX_B, /* Bool. */ - CCX_I, /* Integer. */ - CCX_F, /* Floating-point number. */ - CCX_C, /* Complex. */ - CCX_V, /* Vector. */ - CCX_P, /* Pointer. */ - CCX_A, /* Refarray. */ - CCX_S /* Struct/union. */ -}; - -/* Convert C type info to compressed C type index. ORDER CT. ORDER CCX. */ -static LJ_AINLINE uint32_t cconv_idx(CTInfo info) -{ - uint32_t idx = ((info >> 26) & 15u); /* Dispatch bits. */ - lua_assert(ctype_type(info) <= CT_MAYCONVERT); -#if LJ_64 - idx = ((U64x(f436fff5,fff7f021) >> 4*idx) & 15u); -#else - idx = (((idx < 8 ? 0xfff7f021u : 0xf436fff5) >> 4*(idx & 7u)) & 15u); -#endif - lua_assert(idx < 8); - return idx; -} - -#define cconv_idx2(dinfo, sinfo) \ - ((cconv_idx((dinfo)) << 3) + cconv_idx((sinfo))) - -#define CCX(dst, src) ((CCX_##dst << 3) + CCX_##src) - -/* Conversion flags. */ -#define CCF_CAST 0x00000001u -#define CCF_FROMTV 0x00000002u -#define CCF_SAME 0x00000004u -#define CCF_IGNQUAL 0x00000008u - -#define CCF_ARG_SHIFT 8 -#define CCF_ARG(n) ((n) << CCF_ARG_SHIFT) -#define CCF_GETARG(f) ((f) >> CCF_ARG_SHIFT) - -LJ_FUNC int lj_cconv_compatptr(CTState *cts, CType *d, CType *s, CTInfo flags); -LJ_FUNC void lj_cconv_ct_ct(CTState *cts, CType *d, CType *s, - uint8_t *dp, uint8_t *sp, CTInfo flags); -LJ_FUNC int lj_cconv_tv_ct(CTState *cts, CType *s, CTypeID sid, - TValue *o, uint8_t *sp); -LJ_FUNC int lj_cconv_tv_bf(CTState *cts, CType *s, TValue *o, uint8_t *sp); -LJ_FUNC void lj_cconv_ct_tv(CTState *cts, CType *d, - uint8_t *dp, TValue *o, CTInfo flags); -LJ_FUNC void lj_cconv_bf_tv(CTState *cts, CType *d, uint8_t *dp, TValue *o); -LJ_FUNC int lj_cconv_multi_init(CType *d, TValue *o); -LJ_FUNC void lj_cconv_ct_init(CTState *cts, CType *d, CTSize sz, - uint8_t *dp, TValue *o, MSize len); - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_cdata.c b/libraries/luajit-2.0/src/lj_cdata.c deleted file mode 100644 index 497b84e..0000000 --- a/libraries/luajit-2.0/src/lj_cdata.c +++ /dev/null @@ -1,284 +0,0 @@ -/* -** C data management. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include "lj_obj.h" - -#if LJ_HASFFI - -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_ctype.h" -#include "lj_cconv.h" -#include "lj_cdata.h" - -/* -- C data allocation --------------------------------------------------- */ - -/* Allocate a new C data object holding a reference to another object. */ -GCcdata *lj_cdata_newref(CTState *cts, const void *p, CTypeID id) -{ - CTypeID refid = lj_ctype_intern(cts, CTINFO_REF(id), CTSIZE_PTR); - GCcdata *cd = lj_cdata_new(cts, refid, CTSIZE_PTR); - *(const void **)cdataptr(cd) = p; - return cd; -} - -/* Allocate variable-sized or specially aligned C data object. */ -GCcdata *lj_cdata_newv(CTState *cts, CTypeID id, CTSize sz, CTSize align) -{ - global_State *g; - MSize extra = sizeof(GCcdataVar) + sizeof(GCcdata) + - (align > CT_MEMALIGN ? (1u<L, extra + sz, char); - uintptr_t adata = (uintptr_t)p + sizeof(GCcdataVar) + sizeof(GCcdata); - uintptr_t almask = (1u << align) - 1u; - GCcdata *cd = (GCcdata *)(((adata + almask) & ~almask) - sizeof(GCcdata)); - lua_assert((char *)cd - p < 65536); - cdatav(cd)->offset = (uint16_t)((char *)cd - p); - cdatav(cd)->extra = extra; - cdatav(cd)->len = sz; - g = cts->g; - setgcrefr(cd->nextgc, g->gc.root); - setgcref(g->gc.root, obj2gco(cd)); - newwhite(g, obj2gco(cd)); - cd->marked |= 0x80; - cd->gct = ~LJ_TCDATA; - cd->typeid = id; - return cd; -} - -/* Free a C data object. */ -void LJ_FASTCALL lj_cdata_free(global_State *g, GCcdata *cd) -{ - if (LJ_UNLIKELY(cd->marked & LJ_GC_CDATA_FIN)) { - GCobj *root; - makewhite(g, obj2gco(cd)); - obj2gco(cd)->gch.marked |= LJ_GC_FINALIZED; - if ((root = gcref(g->gc.mmudata)) != NULL) { - setgcrefr(cd->nextgc, root->gch.nextgc); - setgcref(root->gch.nextgc, obj2gco(cd)); - setgcref(g->gc.mmudata, obj2gco(cd)); - } else { - setgcref(cd->nextgc, obj2gco(cd)); - setgcref(g->gc.mmudata, obj2gco(cd)); - } - } else if (LJ_LIKELY(!cdataisv(cd))) { - CType *ct = ctype_raw(ctype_ctsG(g), cd->typeid); - CTSize sz = ctype_hassize(ct->info) ? ct->size : CTSIZE_PTR; - lua_assert(ctype_hassize(ct->info) || ctype_isfunc(ct->info) || - ctype_isextern(ct->info)); - lj_mem_free(g, cd, sizeof(GCcdata) + sz); - } else { - lj_mem_free(g, memcdatav(cd), sizecdatav(cd)); - } -} - -TValue * LJ_FASTCALL lj_cdata_setfin(lua_State *L, GCcdata *cd) -{ - global_State *g = G(L); - GCtab *t = ctype_ctsG(g)->finalizer; - if (gcref(t->metatable)) { - /* Add cdata to finalizer table, if still enabled. */ - TValue *tv, tmp; - setcdataV(L, &tmp, cd); - lj_gc_anybarriert(L, t); - tv = lj_tab_set(L, t, &tmp); - cd->marked |= LJ_GC_CDATA_FIN; - return tv; - } else { - /* Otherwise return dummy TValue. */ - return &g->tmptv; - } -} - -/* -- C data indexing ----------------------------------------------------- */ - -/* Index C data by a TValue. Return CType and pointer. */ -CType *lj_cdata_index(CTState *cts, GCcdata *cd, cTValue *key, uint8_t **pp, - CTInfo *qual) -{ - uint8_t *p = (uint8_t *)cdataptr(cd); - CType *ct = ctype_get(cts, cd->typeid); - ptrdiff_t idx; - - /* Resolve reference for cdata object. */ - if (ctype_isref(ct->info)) { - lua_assert(ct->size == CTSIZE_PTR); - p = *(uint8_t **)p; - ct = ctype_child(cts, ct); - } - -collect_attrib: - /* Skip attributes and collect qualifiers. */ - while (ctype_isattrib(ct->info)) { - if (ctype_attrib(ct->info) == CTA_QUAL) *qual |= ct->size; - ct = ctype_child(cts, ct); - } - lua_assert(!ctype_isref(ct->info)); /* Interning rejects refs to refs. */ - - if (tvisint(key)) { - idx = (ptrdiff_t)intV(key); - goto integer_key; - } else if (tvisnum(key)) { /* Numeric key. */ - idx = LJ_64 ? (ptrdiff_t)numV(key) : (ptrdiff_t)lj_num2int(numV(key)); - integer_key: - if (ctype_ispointer(ct->info)) { - CTSize sz = lj_ctype_size(cts, ctype_cid(ct->info)); /* Element size. */ - if (sz != CTSIZE_INVALID) { - if (ctype_isptr(ct->info)) { - p = (uint8_t *)cdata_getptr(p, ct->size); - } else if ((ct->info & (CTF_VECTOR|CTF_COMPLEX))) { - if ((ct->info & CTF_COMPLEX)) idx &= 1; - *qual |= CTF_CONST; /* Valarray elements are constant. */ - } - *pp = p + idx*(int32_t)sz; - return ct; - } - } - } else if (tviscdata(key)) { /* Integer cdata key. */ - GCcdata *cdk = cdataV(key); - CType *ctk = ctype_raw(cts, cdk->typeid); - if (ctype_isenum(ctk->info)) ctk = ctype_child(cts, ctk); - if (ctype_isinteger(ctk->info)) { - lj_cconv_ct_ct(cts, ctype_get(cts, CTID_INT_PSZ), ctk, - (uint8_t *)&idx, cdataptr(cdk), 0); - goto integer_key; - } - } else if (tvisstr(key)) { /* String key. */ - GCstr *name = strV(key); - if (ctype_isstruct(ct->info)) { - CTSize ofs; - CType *fct = lj_ctype_getfield(cts, ct, name, &ofs); - if (fct) { - *pp = p + ofs; - return fct; - } - } else if (ctype_iscomplex(ct->info)) { - if (name->len == 2) { - *qual |= CTF_CONST; /* Complex fields are constant. */ - if (strdata(name)[0] == 'r' && strdata(name)[1] == 'e') { - *pp = p; - return ct; - } else if (strdata(name)[0] == 'i' && strdata(name)[1] == 'm') { - *pp = p + (ct->size >> 1); - return ct; - } - } - } else if (cd->typeid == CTID_CTYPEID) { - /* Allow indexing a (pointer to) struct constructor to get constants. */ - CType *sct = ctype_raw(cts, *(CTypeID *)p); - if (ctype_isptr(sct->info)) - sct = ctype_rawchild(cts, sct); - if (ctype_isstruct(sct->info)) { - CTSize ofs; - CType *fct = lj_ctype_getfield(cts, sct, name, &ofs); - if (fct && ctype_isconstval(fct->info)) - return fct; - } - } - } - if (ctype_isptr(ct->info)) { /* Automatically perform '->'. */ - if (ctype_isstruct(ctype_rawchild(cts, ct)->info)) { - p = (uint8_t *)cdata_getptr(p, ct->size); - ct = ctype_child(cts, ct); - goto collect_attrib; - } - } - *qual |= 1; /* Lookup failed. */ - return ct; /* But return the resolved raw type. */ -} - -/* -- C data getters ------------------------------------------------------ */ - -/* Get constant value and convert to TValue. */ -static void cdata_getconst(CTState *cts, TValue *o, CType *ct) -{ - CType *ctt = ctype_child(cts, ct); - lua_assert(ctype_isinteger(ctt->info) && ctt->size <= 4); - /* Constants are already zero-extended/sign-extended to 32 bits. */ - if ((ctt->info & CTF_UNSIGNED) && (int32_t)ct->size < 0) - setnumV(o, (lua_Number)(uint32_t)ct->size); - else - setintV(o, (int32_t)ct->size); -} - -/* Get C data value and convert to TValue. */ -int lj_cdata_get(CTState *cts, CType *s, TValue *o, uint8_t *sp) -{ - CTypeID sid; - - if (ctype_isconstval(s->info)) { - cdata_getconst(cts, o, s); - return 0; /* No GC step needed. */ - } else if (ctype_isbitfield(s->info)) { - return lj_cconv_tv_bf(cts, s, o, sp); - } - - /* Get child type of pointer/array/field. */ - lua_assert(ctype_ispointer(s->info) || ctype_isfield(s->info)); - sid = ctype_cid(s->info); - s = ctype_get(cts, sid); - - /* Resolve reference for field. */ - if (ctype_isref(s->info)) { - lua_assert(s->size == CTSIZE_PTR); - sp = *(uint8_t **)sp; - sid = ctype_cid(s->info); - s = ctype_get(cts, sid); - } - - /* Skip attributes and enums. */ - while (ctype_isattrib(s->info) || ctype_isenum(s->info)) - s = ctype_child(cts, s); - - return lj_cconv_tv_ct(cts, s, sid, o, sp); -} - -/* -- C data setters ------------------------------------------------------ */ - -/* Convert TValue and set C data value. */ -void lj_cdata_set(CTState *cts, CType *d, uint8_t *dp, TValue *o, CTInfo qual) -{ - if (ctype_isconstval(d->info)) { - goto err_const; - } else if (ctype_isbitfield(d->info)) { - if (((d->info|qual) & CTF_CONST)) goto err_const; - lj_cconv_bf_tv(cts, d, dp, o); - return; - } - - /* Get child type of pointer/array/field. */ - lua_assert(ctype_ispointer(d->info) || ctype_isfield(d->info)); - d = ctype_child(cts, d); - - /* Resolve reference for field. */ - if (ctype_isref(d->info)) { - lua_assert(d->size == CTSIZE_PTR); - dp = *(uint8_t **)dp; - d = ctype_child(cts, d); - } - - /* Skip attributes and collect qualifiers. */ - for (;;) { - if (ctype_isattrib(d->info)) { - if (ctype_attrib(d->info) == CTA_QUAL) qual |= d->size; - } else { - break; - } - d = ctype_child(cts, d); - } - - lua_assert(ctype_hassize(d->info) && !ctype_isvoid(d->info)); - - if (((d->info|qual) & CTF_CONST)) { - err_const: - lj_err_caller(cts->L, LJ_ERR_FFI_WRCONST); - } - - lj_cconv_ct_tv(cts, d, dp, o, 0); -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_cdata.h b/libraries/luajit-2.0/src/lj_cdata.h deleted file mode 100644 index feb1bbf..0000000 --- a/libraries/luajit-2.0/src/lj_cdata.h +++ /dev/null @@ -1,75 +0,0 @@ -/* -** C data management. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_CDATA_H -#define _LJ_CDATA_H - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_ctype.h" - -#if LJ_HASFFI - -/* Get C data pointer. */ -static LJ_AINLINE void *cdata_getptr(void *p, CTSize sz) -{ - if (LJ_64 && sz == 4) { /* Support 32 bit pointers on 64 bit targets. */ - return ((void *)(uintptr_t)*(uint32_t *)p); - } else { - lua_assert(sz == CTSIZE_PTR); - return *(void **)p; - } -} - -/* Set C data pointer. */ -static LJ_AINLINE void cdata_setptr(void *p, CTSize sz, const void *v) -{ - if (LJ_64 && sz == 4) { /* Support 32 bit pointers on 64 bit targets. */ - *(uint32_t *)p = (uint32_t)(uintptr_t)v; - } else { - lua_assert(sz == CTSIZE_PTR); - *(void **)p = (void *)v; - } -} - -/* Allocate fixed-size C data object. */ -static LJ_AINLINE GCcdata *lj_cdata_new(CTState *cts, CTypeID id, CTSize sz) -{ - GCcdata *cd; -#ifdef LUA_USE_ASSERT - CType *ct = ctype_raw(cts, id); - lua_assert((ctype_hassize(ct->info) ? ct->size : CTSIZE_PTR) == sz); -#endif - cd = (GCcdata *)lj_mem_newgco(cts->L, sizeof(GCcdata) + sz); - cd->gct = ~LJ_TCDATA; - cd->typeid = ctype_check(cts, id); - return cd; -} - -/* Variant which works without a valid CTState. */ -static LJ_AINLINE GCcdata *lj_cdata_new_(lua_State *L, CTypeID id, CTSize sz) -{ - GCcdata *cd = (GCcdata *)lj_mem_newgco(L, sizeof(GCcdata) + sz); - cd->gct = ~LJ_TCDATA; - cd->typeid = id; - return cd; -} - -LJ_FUNC GCcdata *lj_cdata_newref(CTState *cts, const void *pp, CTypeID id); -LJ_FUNC GCcdata *lj_cdata_newv(CTState *cts, CTypeID id, CTSize sz, - CTSize align); - -LJ_FUNC void LJ_FASTCALL lj_cdata_free(global_State *g, GCcdata *cd); -LJ_FUNCA TValue * LJ_FASTCALL lj_cdata_setfin(lua_State *L, GCcdata *cd); - -LJ_FUNC CType *lj_cdata_index(CTState *cts, GCcdata *cd, cTValue *key, - uint8_t **pp, CTInfo *qual); -LJ_FUNC int lj_cdata_get(CTState *cts, CType *s, TValue *o, uint8_t *sp); -LJ_FUNC void lj_cdata_set(CTState *cts, CType *d, uint8_t *dp, TValue *o, - CTInfo qual); - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_char.c b/libraries/luajit-2.0/src/lj_char.c deleted file mode 100644 index 11f23ef..0000000 --- a/libraries/luajit-2.0/src/lj_char.c +++ /dev/null @@ -1,43 +0,0 @@ -/* -** Character types. -** Donated to the public domain. -** -** This is intended to replace the problematic libc single-byte NLS functions. -** These just don't make sense anymore with UTF-8 locales becoming the norm -** on POSIX systems. It never worked too well on Windows systems since hardly -** anyone bothered to call setlocale(). -** -** This table is hardcoded for ASCII. Identifiers include the characters -** 128-255, too. This allows for the use of all non-ASCII chars as identifiers -** in the lexer. This is a broad definition, but works well in practice -** for both UTF-8 locales and most single-byte locales (such as ISO-8859-*). -** -** If you really need proper character types for UTF-8 strings, please use -** an add-on library such as slnunicode: http://luaforge.net/projects/sln/ -*/ - -#define lj_char_c -#define LUA_CORE - -#include "lj_char.h" - -LJ_DATADEF const uint8_t lj_char_bits[257] = { - 0, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 152,152,152,152,152,152,152,152,152,152, 4, 4, 4, 4, 4, 4, - 4,176,176,176,176,176,176,160,160,160,160,160,160,160,160,160, - 160,160,160,160,160,160,160,160,160,160,160, 4, 4, 4, 4,132, - 4,208,208,208,208,208,208,192,192,192,192,192,192,192,192,192, - 192,192,192,192,192,192,192,192,192,192,192, 4, 4, 4, 4, 1, - 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128, - 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128, - 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128, - 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128, - 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128, - 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128, - 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128, - 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128 -}; - diff --git a/libraries/luajit-2.0/src/lj_char.h b/libraries/luajit-2.0/src/lj_char.h deleted file mode 100644 index 7b7c132..0000000 --- a/libraries/luajit-2.0/src/lj_char.h +++ /dev/null @@ -1,42 +0,0 @@ -/* -** Character types. -** Donated to the public domain. -*/ - -#ifndef _LJ_CHAR_H -#define _LJ_CHAR_H - -#include "lj_def.h" - -#define LJ_CHAR_CNTRL 0x01 -#define LJ_CHAR_SPACE 0x02 -#define LJ_CHAR_PUNCT 0x04 -#define LJ_CHAR_DIGIT 0x08 -#define LJ_CHAR_XDIGIT 0x10 -#define LJ_CHAR_UPPER 0x20 -#define LJ_CHAR_LOWER 0x40 -#define LJ_CHAR_IDENT 0x80 -#define LJ_CHAR_ALPHA (LJ_CHAR_LOWER|LJ_CHAR_UPPER) -#define LJ_CHAR_ALNUM (LJ_CHAR_ALPHA|LJ_CHAR_DIGIT) -#define LJ_CHAR_GRAPH (LJ_CHAR_ALNUM|LJ_CHAR_PUNCT) - -/* Only pass -1 or 0..255 to these macros. Never pass a signed char! */ -#define lj_char_isa(c, t) (lj_char_bits[(c)+1] & t) -#define lj_char_iscntrl(c) lj_char_isa((c), LJ_CHAR_CNTRL) -#define lj_char_isspace(c) lj_char_isa((c), LJ_CHAR_SPACE) -#define lj_char_ispunct(c) lj_char_isa((c), LJ_CHAR_PUNCT) -#define lj_char_isdigit(c) lj_char_isa((c), LJ_CHAR_DIGIT) -#define lj_char_isxdigit(c) lj_char_isa((c), LJ_CHAR_XDIGIT) -#define lj_char_isupper(c) lj_char_isa((c), LJ_CHAR_UPPER) -#define lj_char_islower(c) lj_char_isa((c), LJ_CHAR_LOWER) -#define lj_char_isident(c) lj_char_isa((c), LJ_CHAR_IDENT) -#define lj_char_isalpha(c) lj_char_isa((c), LJ_CHAR_ALPHA) -#define lj_char_isalnum(c) lj_char_isa((c), LJ_CHAR_ALNUM) -#define lj_char_isgraph(c) lj_char_isa((c), LJ_CHAR_GRAPH) - -#define lj_char_toupper(c) ((c) - (lj_char_islower(c) >> 1)) -#define lj_char_tolower(c) ((c) + lj_char_isupper(c)) - -LJ_DATA const uint8_t lj_char_bits[257]; - -#endif diff --git a/libraries/luajit-2.0/src/lj_clib.c b/libraries/luajit-2.0/src/lj_clib.c deleted file mode 100644 index 68398cf..0000000 --- a/libraries/luajit-2.0/src/lj_clib.c +++ /dev/null @@ -1,389 +0,0 @@ -/* -** FFI C library loader. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include "lj_obj.h" - -#if LJ_HASFFI - -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_tab.h" -#include "lj_str.h" -#include "lj_udata.h" -#include "lj_ctype.h" -#include "lj_cconv.h" -#include "lj_cdata.h" -#include "lj_clib.h" - -/* -- OS-specific functions ----------------------------------------------- */ - -#if LJ_TARGET_DLOPEN - -#include -#include - -#if defined(RTLD_DEFAULT) -#define CLIB_DEFHANDLE RTLD_DEFAULT -#elif LJ_TARGET_OSX || LJ_TARGET_BSD -#define CLIB_DEFHANDLE ((void *)(intptr_t)-2) -#else -#define CLIB_DEFHANDLE NULL -#endif - -LJ_NORET LJ_NOINLINE static void clib_error_(lua_State *L) -{ - lj_err_callermsg(L, dlerror()); -} - -#define clib_error(L, fmt, name) clib_error_(L) - -#if LJ_TARGET_OSX -#define CLIB_SOEXT "%s.dylib" -#else -#define CLIB_SOEXT "%s.so" -#endif - -static const char *clib_extname(lua_State *L, const char *name) -{ - if (!strchr(name, '/')) { - if (!strchr(name, '.')) { - name = lj_str_pushf(L, CLIB_SOEXT, name); - L->top--; - } - if (!(name[0] == 'l' && name[1] == 'i' && name[2] == 'b')) { - name = lj_str_pushf(L, "lib%s", name); - L->top--; - } - } - return name; -} - -/* Check for a recognized ld script line. */ -static const char *clib_check_lds(lua_State *L, const char *buf) -{ - char *p, *e; - if ((!strncmp(buf, "GROUP", 5) || !strncmp(buf, "INPUT", 5)) && - (p = strchr(buf, '('))) { - while (*++p == ' ') ; - for (e = p; *e && *e != ' ' && *e != ')'; e++) ; - return strdata(lj_str_new(L, p, e-p)); - } - return NULL; -} - -/* Quick and dirty solution to resolve shared library name from ld script. */ -static const char *clib_resolve_lds(lua_State *L, const char *name) -{ - FILE *fp = fopen(name, "r"); - const char *p = NULL; - if (fp) { - char buf[256]; - if (fgets(buf, sizeof(buf), fp)) { - if (!strncmp(buf, "/* GNU ld script", 16)) { /* ld script magic? */ - while (fgets(buf, sizeof(buf), fp)) { /* Check all lines. */ - p = clib_check_lds(L, buf); - if (p) break; - } - } else { /* Otherwise check only the first line. */ - p = clib_check_lds(L, buf); - } - } - fclose(fp); - } - return p; -} - -static void *clib_loadlib(lua_State *L, const char *name, int global) -{ - void *h = dlopen(clib_extname(L, name), - RTLD_LAZY | (global?RTLD_GLOBAL:RTLD_LOCAL)); - if (!h) { - const char *e, *err = dlerror(); - if (*err == '/' && (e = strchr(err, ':')) && - (name = clib_resolve_lds(L, strdata(lj_str_new(L, err, e-err))))) { - h = dlopen(name, RTLD_LAZY | (global?RTLD_GLOBAL:RTLD_LOCAL)); - if (h) return h; - err = dlerror(); - } - lj_err_callermsg(L, err); - } - return h; -} - -static void clib_unloadlib(CLibrary *cl) -{ - if (!cl->handle && cl->handle != CLIB_DEFHANDLE) - dlclose(cl->handle); -} - -static void *clib_getsym(CLibrary *cl, const char *name) -{ - void *p = dlsym(cl->handle, name); - return p; -} - -#elif LJ_TARGET_WINDOWS - -#define WIN32_LEAN_AND_MEAN -#ifndef WINVER -#define WINVER 0x0500 -#endif -#include - -#ifndef GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS -#define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS 4 -#define GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT 2 -BOOL WINAPI GetModuleHandleExA(DWORD, LPCSTR, HMODULE*); -#endif - -#define CLIB_DEFHANDLE ((void *)-1) - -/* Default libraries. */ -enum { - CLIB_HANDLE_EXE, - CLIB_HANDLE_DLL, - CLIB_HANDLE_CRT, - CLIB_HANDLE_KERNEL32, - CLIB_HANDLE_USER32, - CLIB_HANDLE_GDI32, - CLIB_HANDLE_MAX -}; - -static void *clib_def_handle[CLIB_HANDLE_MAX]; - -LJ_NORET LJ_NOINLINE static void clib_error(lua_State *L, const char *fmt, - const char *name) -{ - DWORD err = GetLastError(); - char buf[128]; - if (!FormatMessageA(FORMAT_MESSAGE_IGNORE_INSERTS|FORMAT_MESSAGE_FROM_SYSTEM, - NULL, err, 0, buf, sizeof(buf), NULL)) - buf[0] = '\0'; - lj_err_callermsg(L, lj_str_pushf(L, fmt, name, buf)); -} - -static int clib_needext(const char *s) -{ - while (*s) { - if (*s == '/' || *s == '\\' || *s == '.') return 0; - s++; - } - return 1; -} - -static const char *clib_extname(lua_State *L, const char *name) -{ - if (clib_needext(name)) { - name = lj_str_pushf(L, "%s.dll", name); - L->top--; - } - return name; -} - -static void *clib_loadlib(lua_State *L, const char *name, int global) -{ - DWORD oldwerr = GetLastError(); - void *h = (void *)LoadLibraryA(clib_extname(L, name)); - if (!h) clib_error(L, "cannot load module " LUA_QS ": %s", name); - SetLastError(oldwerr); - UNUSED(global); - return h; -} - -static void clib_unloadlib(CLibrary *cl) -{ - if (cl->handle == CLIB_DEFHANDLE) { - MSize i; - for (i = 0; i < CLIB_HANDLE_MAX; i++) { - void *h = clib_def_handle[i]; - if (h) { - clib_def_handle[i] = NULL; - FreeLibrary((HINSTANCE)h); - } - } - } else if (!cl->handle) { - FreeLibrary((HINSTANCE)cl->handle); - } -} - -static void *clib_getsym(CLibrary *cl, const char *name) -{ - void *p = NULL; - DWORD oldwerr = GetLastError(); - if (cl->handle == CLIB_DEFHANDLE) { /* Search default libraries. */ - MSize i; - for (i = 0; i < CLIB_HANDLE_MAX; i++) { - HINSTANCE h = (HINSTANCE)clib_def_handle[i]; - if (!(void *)h) { /* Resolve default library handles (once). */ - switch (i) { - case CLIB_HANDLE_EXE: GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, NULL, &h); break; - case CLIB_HANDLE_DLL: - GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS|GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, - (const char *)clib_def_handle, &h); - break; - case CLIB_HANDLE_CRT: - GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS|GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, - (const char *)&_fmode, &h); - break; - case CLIB_HANDLE_KERNEL32: h = LoadLibraryA("kernel32.dll"); break; - case CLIB_HANDLE_USER32: h = LoadLibraryA("user32.dll"); break; - case CLIB_HANDLE_GDI32: h = LoadLibraryA("gdi32.dll"); break; - } - if (!h) continue; - clib_def_handle[i] = (void *)h; - } - p = (void *)GetProcAddress(h, name); - if (p) break; - } - } else { - p = (void *)GetProcAddress((HINSTANCE)cl->handle, name); - } - SetLastError(oldwerr); - return p; -} - -#else - -#define CLIB_DEFHANDLE NULL - -LJ_NORET LJ_NOINLINE static void clib_error(lua_State *L, const char *fmt, - const char *name) -{ - lj_err_callermsg(L, lj_str_pushf(L, fmt, name, "no support for this OS")); -} - -static void *clib_loadlib(lua_State *L, const char *name, int global) -{ - lj_err_callermsg(L, "no support for loading dynamic libraries for this OS"); - UNUSED(name); UNUSED(global); - return NULL; -} - -static void clib_unloadlib(CLibrary *cl) -{ - UNUSED(cl); -} - -static void *clib_getsym(CLibrary *cl, const char *name) -{ - UNUSED(cl); UNUSED(name); - return NULL; -} - -#endif - -/* -- C library indexing -------------------------------------------------- */ - -#if LJ_TARGET_X86 && LJ_ABI_WIN -/* Compute argument size for fastcall/stdcall functions. */ -static CTSize clib_func_argsize(CTState *cts, CType *ct) -{ - CTSize n = 0; - while (ct->sib) { - CType *d; - ct = ctype_get(cts, ct->sib); - lua_assert(ctype_isfield(ct->info)); - d = ctype_rawchild(cts, ct); - n += ((d->size + 3) & ~3); - } - return n; -} -#endif - -/* Get redirected or mangled external symbol. */ -static const char *clib_extsym(CTState *cts, CType *ct, GCstr *name) -{ - if (ct->sib) { - CType *ctf = ctype_get(cts, ct->sib); - if (ctype_isxattrib(ctf->info, CTA_REDIR)) - return strdata(gco2str(gcref(ctf->name))); - } - return strdata(name); -} - -/* Index a C library by name. */ -TValue *lj_clib_index(lua_State *L, CLibrary *cl, GCstr *name) -{ - TValue *tv = lj_tab_setstr(L, cl->cache, name); - if (LJ_UNLIKELY(tvisnil(tv))) { - CTState *cts = ctype_cts(L); - CType *ct; - CTypeID id = lj_ctype_getname(cts, &ct, name, CLNS_INDEX); - if (!id) - lj_err_callerv(L, LJ_ERR_FFI_NODECL, strdata(name)); - if (ctype_isconstval(ct->info)) { - CType *ctt = ctype_child(cts, ct); - lua_assert(ctype_isinteger(ctt->info) && ctt->size <= 4); - if ((ctt->info & CTF_UNSIGNED) && (int32_t)ct->size < 0) - setnumV(tv, (lua_Number)(uint32_t)ct->size); - else - setintV(tv, (int32_t)ct->size); - } else { - const char *sym = clib_extsym(cts, ct, name); - void *p = clib_getsym(cl, sym); - GCcdata *cd; - lua_assert(ctype_isfunc(ct->info) || ctype_isextern(ct->info)); -#if LJ_TARGET_X86 && LJ_ABI_WIN - /* Retry with decorated name for fastcall/stdcall functions. */ - if (!p && ctype_isfunc(ct->info)) { - CTInfo cconv = ctype_cconv(ct->info); - if (cconv == CTCC_FASTCALL || cconv == CTCC_STDCALL) { - CTSize sz = clib_func_argsize(cts, ct); - sym = lj_str_pushf(L, cconv == CTCC_FASTCALL ? "@%s@%d" : "_%s@%d", - sym, sz); - L->top--; - p = clib_getsym(cl, sym); - } - } -#endif - if (!p) - clib_error(L, "cannot resolve symbol " LUA_QS ": %s", strdata(name)); - cd = lj_cdata_new(cts, id, CTSIZE_PTR); - *(void **)cdataptr(cd) = p; - setcdataV(L, tv, cd); - } - } - return tv; -} - -/* -- C library management ------------------------------------------------ */ - -/* Create a new CLibrary object and push it on the stack. */ -static CLibrary *clib_new(lua_State *L, GCtab *mt) -{ - GCtab *t = lj_tab_new(L, 0, 0); - GCudata *ud = lj_udata_new(L, sizeof(CLibrary), t); - CLibrary *cl = (CLibrary *)uddata(ud); - cl->cache = t; - ud->udtype = UDTYPE_FFI_CLIB; - /* NOBARRIER: The GCudata is new (marked white). */ - setgcref(ud->metatable, obj2gco(mt)); - setudataV(L, L->top++, ud); - return cl; -} - -/* Load a C library. */ -void lj_clib_load(lua_State *L, GCtab *mt, GCstr *name, int global) -{ - void *handle = clib_loadlib(L, strdata(name), global); - CLibrary *cl = clib_new(L, mt); - cl->handle = handle; -} - -/* Unload a C library. */ -void lj_clib_unload(CLibrary *cl) -{ - clib_unloadlib(cl); - cl->handle = NULL; -} - -/* Create the default C library object. */ -void lj_clib_default(lua_State *L, GCtab *mt) -{ - CLibrary *cl = clib_new(L, mt); - cl->handle = CLIB_DEFHANDLE; -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_clib.h b/libraries/luajit-2.0/src/lj_clib.h deleted file mode 100644 index 51c3270..0000000 --- a/libraries/luajit-2.0/src/lj_clib.h +++ /dev/null @@ -1,29 +0,0 @@ -/* -** FFI C library loader. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_CLIB_H -#define _LJ_CLIB_H - -#include "lj_obj.h" - -#if LJ_HASFFI - -/* Namespace for C library indexing. */ -#define CLNS_INDEX ((1u<env. */ -} CLibrary; - -LJ_FUNC TValue *lj_clib_index(lua_State *L, CLibrary *cl, GCstr *name); -LJ_FUNC void lj_clib_load(lua_State *L, GCtab *mt, GCstr *name, int global); -LJ_FUNC void lj_clib_unload(CLibrary *cl); -LJ_FUNC void lj_clib_default(lua_State *L, GCtab *mt); - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_cparse.c b/libraries/luajit-2.0/src/lj_cparse.c deleted file mode 100644 index 4f562df..0000000 --- a/libraries/luajit-2.0/src/lj_cparse.c +++ /dev/null @@ -1,1839 +0,0 @@ -/* -** C declaration parser. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include "lj_obj.h" - -#if LJ_HASFFI - -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_ctype.h" -#include "lj_cparse.h" -#include "lj_frame.h" -#include "lj_vm.h" -#include "lj_char.h" - -/* -** Important note: this is NOT a validating C parser! This is a minimal -** C declaration parser, solely for use by the LuaJIT FFI. -** -** It ought to return correct results for properly formed C declarations, -** but it may accept some invalid declarations, too (and return nonsense). -** Also, it shows rather generic error messages to avoid unnecessary bloat. -** If in doubt, please check the input against your favorite C compiler. -*/ - -/* -- C lexer ------------------------------------------------------------- */ - -/* C lexer token names. */ -static const char *const ctoknames[] = { -#define CTOKSTR(name, str) str, -CTOKDEF(CTOKSTR) -#undef CTOKSTR - NULL -}; - -/* Forward declaration. */ -LJ_NORET static void cp_err(CPState *cp, ErrMsg em); - -static const char *cp_tok2str(CPState *cp, CPToken tok) -{ - lua_assert(tok < CTOK_FIRSTDECL); - if (tok > CTOK_OFS) - return ctoknames[tok-CTOK_OFS-1]; - else if (!lj_char_iscntrl(tok)) - return lj_str_pushf(cp->L, "%c", tok); - else - return lj_str_pushf(cp->L, "char(%d)", tok); -} - -/* End-of-line? */ -static LJ_AINLINE int cp_iseol(CPChar c) -{ - return (c == '\n' || c == '\r'); -} - -static LJ_AINLINE CPChar cp_get(CPState *cp); - -/* Peek next raw character. */ -static LJ_AINLINE CPChar cp_rawpeek(CPState *cp) -{ - return (CPChar)(uint8_t)(*cp->p); -} - -/* Transparently skip backslash-escaped line breaks. */ -static LJ_NOINLINE CPChar cp_get_bs(CPState *cp) -{ - CPChar c2, c = cp_rawpeek(cp); - if (!cp_iseol(c)) return cp->c; - cp->p++; - c2 = cp_rawpeek(cp); - if (cp_iseol(c2) && c2 != c) cp->p++; - cp->linenumber++; - return cp_get(cp); -} - -/* Get next character. */ -static LJ_AINLINE CPChar cp_get(CPState *cp) -{ - cp->c = (CPChar)(uint8_t)(*cp->p++); - if (LJ_LIKELY(cp->c != '\\')) return cp->c; - return cp_get_bs(cp); -} - -/* Grow save buffer. */ -static LJ_NOINLINE void cp_save_grow(CPState *cp, CPChar c) -{ - MSize newsize; - if (cp->sb.sz >= CPARSE_MAX_BUF/2) - cp_err(cp, LJ_ERR_XELEM); - newsize = cp->sb.sz * 2; - lj_str_resizebuf(cp->L, &cp->sb, newsize); - cp->sb.buf[cp->sb.n++] = (char)c; -} - -/* Save character in buffer. */ -static LJ_AINLINE void cp_save(CPState *cp, CPChar c) -{ - if (LJ_UNLIKELY(cp->sb.n + 1 > cp->sb.sz)) - cp_save_grow(cp, c); - else - cp->sb.buf[cp->sb.n++] = (char)c; -} - -/* Skip line break. Handles "\n", "\r", "\r\n" or "\n\r". */ -static void cp_newline(CPState *cp) -{ - CPChar c = cp_rawpeek(cp); - if (cp_iseol(c) && c != cp->c) cp->p++; - cp->linenumber++; -} - -LJ_NORET static void cp_errmsg(CPState *cp, CPToken tok, ErrMsg em, ...) -{ - const char *msg, *tokstr; - lua_State *L; - va_list argp; - if (tok == 0) { - tokstr = NULL; - } else if (tok == CTOK_IDENT || tok == CTOK_INTEGER || tok == CTOK_STRING || - tok >= CTOK_FIRSTDECL) { - cp_save(cp, '\0'); - tokstr = cp->sb.buf; - } else { - tokstr = cp_tok2str(cp, tok); - } - L = cp->L; - va_start(argp, em); - msg = lj_str_pushvf(L, err2msg(em), argp); - va_end(argp); - if (tokstr) - msg = lj_str_pushf(L, err2msg(LJ_ERR_XNEAR), msg, tokstr); - if (cp->linenumber > 1) - msg = lj_str_pushf(L, "%s at line %d", msg, cp->linenumber); - lj_err_callermsg(L, msg); -} - -LJ_NORET LJ_NOINLINE static void cp_err_token(CPState *cp, CPToken tok) -{ - cp_errmsg(cp, cp->tok, LJ_ERR_XTOKEN, cp_tok2str(cp, tok)); -} - -LJ_NORET LJ_NOINLINE static void cp_err_badidx(CPState *cp, CType *ct) -{ - GCstr *s = lj_ctype_repr(cp->cts->L, ctype_typeid(cp->cts, ct), NULL); - cp_errmsg(cp, 0, LJ_ERR_FFI_BADIDX, strdata(s)); -} - -LJ_NORET LJ_NOINLINE static void cp_err(CPState *cp, ErrMsg em) -{ - cp_errmsg(cp, 0, em); -} - -/* -- Main lexical scanner ------------------------------------------------ */ - -/* Parse integer literal. */ -static CPToken cp_integer(CPState *cp) -{ - uint32_t n = 0; - cp->val.id = CTID_INT32; - if (cp->c != '0') { /* Decimal. */ - do { - n = n*10 + (cp->c - '0'); - } while (lj_char_isdigit(cp_get(cp))); - } else if ((cp_get(cp)& ~0x20) == 'X') { /* Hexadecimal. */ - if (!lj_char_isxdigit(cp_get(cp))) - cp_err(cp, LJ_ERR_XNUMBER); - do { - n = n*16 + (cp->c & 15); - if (!lj_char_isdigit(cp->c)) n += 9; - } while (lj_char_isxdigit(cp_get(cp))); - if (n >= 0x80000000u) cp->val.id = CTID_UINT32; - } else { /* Octal. */ - while (cp->c >= '0' && cp->c <= '7') { - n = n*8 + (cp->c - '0'); - cp_get(cp); - } - if (n >= 0x80000000u) cp->val.id = CTID_UINT32; - } - cp->val.u32 = n; - for (;;) { /* Parse suffixes. */ - if ((cp->c & ~0x20) == 'U') - cp->val.id = CTID_UINT32; - else if ((cp->c & ~0x20) != 'L') - break; - cp_get(cp); - } - if (lj_char_isident(cp->c) && !(cp->mode & CPARSE_MODE_SKIP)) - cp_errmsg(cp, cp->c, LJ_ERR_XNUMBER); - return CTOK_INTEGER; -} - -/* Parse identifier or keyword. */ -static CPToken cp_ident(CPState *cp) -{ - do { cp_save(cp, cp->c); } while (lj_char_isident(cp_get(cp))); - cp->str = lj_str_new(cp->L, cp->sb.buf, cp->sb.n); - cp->val.id = lj_ctype_getname(cp->cts, &cp->ct, cp->str, cp->tmask); - if (ctype_type(cp->ct->info) == CT_KW) - return ctype_cid(cp->ct->info); - return CTOK_IDENT; -} - -/* Parse string or character constant. */ -static CPToken cp_string(CPState *cp) -{ - CPChar delim = cp->c; - cp_get(cp); - while (cp->c != delim) { - CPChar c = cp->c; - if (c == '\0') cp_errmsg(cp, CTOK_EOF, LJ_ERR_XSTR); - if (c == '\\') { - c = cp_get(cp); - switch (c) { - case '\0': cp_errmsg(cp, CTOK_EOF, LJ_ERR_XSTR); break; - case 'a': c = '\a'; break; - case 'b': c = '\b'; break; - case 'f': c = '\f'; break; - case 'n': c = '\n'; break; - case 'r': c = '\r'; break; - case 't': c = '\t'; break; - case 'v': c = '\v'; break; - case 'e': c = 27; break; - case 'x': - c = 0; - while (lj_char_isxdigit(cp_get(cp))) - c = (c<<4) + (lj_char_isdigit(cp->c) ? cp->c-'0' : (cp->c&15)+9); - cp_save(cp, (c & 0xff)); - continue; - default: - if (lj_char_isdigit(c)) { - c -= '0'; - if (lj_char_isdigit(cp_get(cp))) { - c = c*8 + (cp->c - '0'); - if (lj_char_isdigit(cp_get(cp))) { - c = c*8 + (cp->c - '0'); - cp_get(cp); - } - } - cp_save(cp, (c & 0xff)); - continue; - } - break; - } - } - cp_save(cp, c); - cp_get(cp); - } - cp_get(cp); - if (delim == '"') { - cp->str = lj_str_new(cp->L, cp->sb.buf, cp->sb.n); - return CTOK_STRING; - } else { - if (cp->sb.n != 1) cp_err_token(cp, '\''); - cp->val.i32 = (int32_t)(char)cp->sb.buf[0]; - cp->val.id = CTID_INT32; - return CTOK_INTEGER; - } -} - -/* Skip C comment. */ -static void cp_comment_c(CPState *cp) -{ - do { - if (cp_get(cp) == '*') { - do { - if (cp_get(cp) == '/') { cp_get(cp); return; } - } while (cp->c == '*'); - } - if (cp_iseol(cp->c)) cp_newline(cp); - } while (cp->c != '\0'); -} - -/* Skip C++ comment. */ -static void cp_comment_cpp(CPState *cp) -{ - while (!cp_iseol(cp_get(cp)) && cp->c != '\0') - ; -} - -/* Lexical scanner for C. Only a minimal subset is implemented. */ -static CPToken cp_next_(CPState *cp) -{ - lj_str_resetbuf(&cp->sb); - for (;;) { - if (lj_char_isident(cp->c)) - return lj_char_isdigit(cp->c) ? cp_integer(cp) : cp_ident(cp); - switch (cp->c) { - case '\n': case '\r': cp_newline(cp); /* fallthrough. */ - case ' ': case '\t': case '\v': case '\f': cp_get(cp); break; - case '"': case '\'': return cp_string(cp); - case '/': - cp_get(cp); - if (cp->c == '*') cp_comment_c(cp); - else if (cp->c == '/') cp_comment_cpp(cp); - else return '/'; - break; - case '|': - cp_get(cp); if (cp->c != '|') return '|'; cp_get(cp); return CTOK_OROR; - case '&': - cp_get(cp); if (cp->c != '&') return '&'; cp_get(cp); return CTOK_ANDAND; - case '=': - cp_get(cp); if (cp->c != '=') return '='; cp_get(cp); return CTOK_EQ; - case '!': - cp_get(cp); if (cp->c != '=') return '!'; cp_get(cp); return CTOK_NE; - case '<': - cp_get(cp); - if (cp->c == '=') { cp_get(cp); return CTOK_LE; } - else if (cp->c == '<') { cp_get(cp); return CTOK_SHL; } - return '<'; - case '>': - cp_get(cp); - if (cp->c == '=') { cp_get(cp); return CTOK_GE; } - else if (cp->c == '>') { cp_get(cp); return CTOK_SHR; } - return '>'; - case '-': - cp_get(cp); if (cp->c != '>') return '-'; cp_get(cp); return CTOK_DEREF; - case '\0': return CTOK_EOF; - default: { CPToken c = cp->c; cp_get(cp); return c; } - } - } -} - -static LJ_NOINLINE CPToken cp_next(CPState *cp) -{ - return (cp->tok = cp_next_(cp)); -} - -/* -- C parser ------------------------------------------------------------ */ - -/* Namespaces for resolving identifiers. */ -#define CPNS_DEFAULT \ - ((1u<linenumber = 1; - cp->depth = 0; - cp->curpack = 0; - cp->packstack[0] = 255; - lj_str_initbuf(&cp->sb); - lj_str_resizebuf(cp->L, &cp->sb, LJ_MIN_SBUF); - lua_assert(cp->p != NULL); - cp_get(cp); /* Read-ahead first char. */ - cp->tok = 0; - cp->tmask = CPNS_DEFAULT; - cp_next(cp); /* Read-ahead first token. */ -} - -/* Cleanup C parser state. */ -static void cp_cleanup(CPState *cp) -{ - global_State *g = G(cp->L); - lj_str_freebuf(g, &cp->sb); -} - -/* Check and consume optional token. */ -static int cp_opt(CPState *cp, CPToken tok) -{ - if (cp->tok == tok) { cp_next(cp); return 1; } - return 0; -} - -/* Check and consume token. */ -static void cp_check(CPState *cp, CPToken tok) -{ - if (cp->tok != tok) cp_err_token(cp, tok); - cp_next(cp); -} - -/* Check if the next token may start a type declaration. */ -static int cp_istypedecl(CPState *cp) -{ - if (cp->tok >= CTOK_FIRSTDECL && cp->tok <= CTOK_LASTDECL) return 1; - if (cp->tok == CTOK_IDENT && ctype_istypedef(cp->ct->info)) return 1; - return 0; -} - -/* -- Constant expression evaluator --------------------------------------- */ - -/* Forward declarations. */ -static void cp_expr_unary(CPState *cp, CPValue *k); -static void cp_expr_sub(CPState *cp, CPValue *k, int pri); - -/* Please note that type handling is very weak here. Most ops simply -** assume integer operands. Accessors are only needed to compute types and -** return synthetic values. The only purpose of the expression evaluator -** is to compute the values of constant expressions one would typically -** find in C header files. And again: this is NOT a validating C parser! -*/ - -/* Parse comma separated expression and return last result. */ -static void cp_expr_comma(CPState *cp, CPValue *k) -{ - do { cp_expr_sub(cp, k, 0); } while (cp_opt(cp, ',')); -} - -/* Parse sizeof/alignof operator. */ -static void cp_expr_sizeof(CPState *cp, CPValue *k, int wantsz) -{ - CTSize sz; - CTInfo info; - if (cp_opt(cp, '(')) { - if (cp_istypedecl(cp)) - k->id = cp_decl_abstract(cp); - else - cp_expr_comma(cp, k); - cp_check(cp, ')'); - } else { - cp_expr_unary(cp, k); - } - info = lj_ctype_info(cp->cts, k->id, &sz); - if (wantsz) { - if (sz != CTSIZE_INVALID) - k->u32 = sz; - else if (k->id != CTID_A_CCHAR) /* Special case for sizeof("string"). */ - cp_err(cp, LJ_ERR_FFI_INVSIZE); - } else { - k->u32 = 1u << ctype_align(info); - } - k->id = CTID_UINT32; /* Really size_t. */ -} - -/* Parse prefix operators. */ -static void cp_expr_prefix(CPState *cp, CPValue *k) -{ - if (cp->tok == CTOK_INTEGER) { - *k = cp->val; cp_next(cp); - } else if (cp_opt(cp, '+')) { - cp_expr_unary(cp, k); /* Nothing to do (well, integer promotion). */ - } else if (cp_opt(cp, '-')) { - cp_expr_unary(cp, k); k->i32 = -k->i32; - } else if (cp_opt(cp, '~')) { - cp_expr_unary(cp, k); k->i32 = ~k->i32; - } else if (cp_opt(cp, '!')) { - cp_expr_unary(cp, k); k->i32 = !k->i32; k->id = CTID_INT32; - } else if (cp_opt(cp, '(')) { - if (cp_istypedecl(cp)) { /* Cast operator. */ - CTypeID id = cp_decl_abstract(cp); - cp_check(cp, ')'); - cp_expr_unary(cp, k); - k->id = id; /* No conversion performed. */ - } else { /* Sub-expression. */ - cp_expr_comma(cp, k); - cp_check(cp, ')'); - } - } else if (cp_opt(cp, '*')) { /* Indirection. */ - CType *ct; - cp_expr_unary(cp, k); - ct = lj_ctype_rawref(cp->cts, k->id); - if (!ctype_ispointer(ct->info)) - cp_err_badidx(cp, ct); - k->u32 = 0; k->id = ctype_cid(ct->info); - } else if (cp_opt(cp, '&')) { /* Address operator. */ - cp_expr_unary(cp, k); - k->id = lj_ctype_intern(cp->cts, CTINFO(CT_PTR, CTALIGN_PTR+k->id), - CTSIZE_PTR); - } else if (cp_opt(cp, CTOK_SIZEOF)) { - cp_expr_sizeof(cp, k, 1); - } else if (cp_opt(cp, CTOK_ALIGNOF)) { - cp_expr_sizeof(cp, k, 0); - } else if (cp->tok == CTOK_IDENT) { - if (ctype_type(cp->ct->info) == CT_CONSTVAL) { - k->u32 = cp->ct->size; k->id = ctype_cid(cp->ct->info); - } else if (ctype_type(cp->ct->info) == CT_EXTERN) { - k->u32 = cp->val.id; k->id = ctype_cid(cp->ct->info); - } else if (ctype_type(cp->ct->info) == CT_FUNC) { - k->u32 = cp->val.id; k->id = cp->val.id; - } else { - goto err_expr; - } - cp_next(cp); - } else if (cp->tok == CTOK_STRING) { - CTSize sz = cp->str->len; - while (cp_next(cp) == CTOK_STRING) - sz += cp->str->len; - k->u32 = sz + 1; - k->id = CTID_A_CCHAR; - } else { - err_expr: - cp_errmsg(cp, cp->tok, LJ_ERR_XSYMBOL); - } -} - -/* Parse postfix operators. */ -static void cp_expr_postfix(CPState *cp, CPValue *k) -{ - for (;;) { - CType *ct; - if (cp_opt(cp, '[')) { /* Array/pointer index. */ - CPValue k2; - cp_expr_comma(cp, &k2); - ct = lj_ctype_rawref(cp->cts, k->id); - if (!ctype_ispointer(ct->info)) { - ct = lj_ctype_rawref(cp->cts, k2.id); - if (!ctype_ispointer(ct->info)) - cp_err_badidx(cp, ct); - } - cp_check(cp, ']'); - k->u32 = 0; - } else if (cp->tok == '.' || cp->tok == CTOK_DEREF) { /* Struct deref. */ - CTSize ofs; - CType *fct; - ct = lj_ctype_rawref(cp->cts, k->id); - if (cp->tok == CTOK_DEREF) { - if (!ctype_ispointer(ct->info)) - cp_err_badidx(cp, ct); - ct = lj_ctype_rawref(cp->cts, ctype_cid(ct->info)); - } - cp_next(cp); - if (cp->tok != CTOK_IDENT) cp_err_token(cp, CTOK_IDENT); - if (!ctype_isstruct(ct->info) || ct->size == CTSIZE_INVALID || - !(fct = lj_ctype_getfield(cp->cts, ct, cp->str, &ofs)) || - ctype_isbitfield(fct->info)) { - GCstr *s = lj_ctype_repr(cp->cts->L, ctype_typeid(cp->cts, ct), NULL); - cp_errmsg(cp, 0, LJ_ERR_FFI_BADMEMBER, strdata(s), strdata(cp->str)); - } - ct = fct; - k->u32 = ctype_isconstval(ct->info) ? ct->size : 0; - cp_next(cp); - } else { - return; - } - k->id = ctype_cid(ct->info); - } -} - -/* Parse infix operators. */ -static void cp_expr_infix(CPState *cp, CPValue *k, int pri) -{ - CPValue k2; - k2.u32 = 0; k2.id = 0; /* Silence the compiler. */ - for (;;) { - switch (pri) { - case 0: - if (cp_opt(cp, '?')) { - CPValue k3; - cp_expr_comma(cp, &k2); /* Right-associative. */ - cp_check(cp, ':'); - cp_expr_sub(cp, &k3, 0); - k->u32 = k->u32 ? k2.u32 : k3.u32; - k->id = k2.id > k3.id ? k2.id : k3.id; - continue; - } - case 1: - if (cp_opt(cp, CTOK_OROR)) { - cp_expr_sub(cp, &k2, 2); k->i32 = k->u32 || k2.u32; k->id = CTID_INT32; - continue; - } - case 2: - if (cp_opt(cp, CTOK_ANDAND)) { - cp_expr_sub(cp, &k2, 3); k->i32 = k->u32 && k2.u32; k->id = CTID_INT32; - continue; - } - case 3: - if (cp_opt(cp, '|')) { - cp_expr_sub(cp, &k2, 4); k->u32 = k->u32 | k2.u32; goto arith_result; - } - case 4: - if (cp_opt(cp, '^')) { - cp_expr_sub(cp, &k2, 5); k->u32 = k->u32 ^ k2.u32; goto arith_result; - } - case 5: - if (cp_opt(cp, '&')) { - cp_expr_sub(cp, &k2, 6); k->u32 = k->u32 & k2.u32; goto arith_result; - } - case 6: - if (cp_opt(cp, CTOK_EQ)) { - cp_expr_sub(cp, &k2, 7); k->i32 = k->u32 == k2.u32; k->id = CTID_INT32; - continue; - } else if (cp_opt(cp, CTOK_NE)) { - cp_expr_sub(cp, &k2, 7); k->i32 = k->u32 != k2.u32; k->id = CTID_INT32; - continue; - } - case 7: - if (cp_opt(cp, '<')) { - cp_expr_sub(cp, &k2, 8); - if (k->id == CTID_INT32 && k2.id == CTID_INT32) - k->i32 = k->i32 < k2.i32; - else - k->i32 = k->u32 < k2.u32; - k->id = CTID_INT32; - continue; - } else if (cp_opt(cp, '>')) { - cp_expr_sub(cp, &k2, 8); - if (k->id == CTID_INT32 && k2.id == CTID_INT32) - k->i32 = k->i32 > k2.i32; - else - k->i32 = k->u32 > k2.u32; - k->id = CTID_INT32; - continue; - } else if (cp_opt(cp, CTOK_LE)) { - cp_expr_sub(cp, &k2, 8); - if (k->id == CTID_INT32 && k2.id == CTID_INT32) - k->i32 = k->i32 <= k2.i32; - else - k->i32 = k->u32 <= k2.u32; - k->id = CTID_INT32; - continue; - } else if (cp_opt(cp, CTOK_GE)) { - cp_expr_sub(cp, &k2, 8); - if (k->id == CTID_INT32 && k2.id == CTID_INT32) - k->i32 = k->i32 >= k2.i32; - else - k->i32 = k->u32 >= k2.u32; - k->id = CTID_INT32; - continue; - } - case 8: - if (cp_opt(cp, CTOK_SHL)) { - cp_expr_sub(cp, &k2, 9); k->u32 = k->u32 << k2.u32; - continue; - } else if (cp_opt(cp, CTOK_SHR)) { - cp_expr_sub(cp, &k2, 9); - if (k->id == CTID_INT32) - k->i32 = k->i32 >> k2.i32; - else - k->u32 = k->u32 >> k2.u32; - continue; - } - case 9: - if (cp_opt(cp, '+')) { - cp_expr_sub(cp, &k2, 10); k->u32 = k->u32 + k2.u32; - arith_result: - if (k2.id > k->id) k->id = k2.id; /* Trivial promotion to unsigned. */ - continue; - } else if (cp_opt(cp, '-')) { - cp_expr_sub(cp, &k2, 10); k->u32 = k->u32 - k2.u32; goto arith_result; - } - case 10: - if (cp_opt(cp, '*')) { - cp_expr_unary(cp, &k2); k->u32 = k->u32 * k2.u32; goto arith_result; - } else if (cp_opt(cp, '/')) { - cp_expr_unary(cp, &k2); - if (k2.id > k->id) k->id = k2.id; /* Trivial promotion to unsigned. */ - if (k2.u32 == 0 || - (k->id == CTID_INT32 && k->u32 == 0x80000000u && k2.i32 == -1)) - cp_err(cp, LJ_ERR_BADVAL); - if (k->id == CTID_INT32) - k->i32 = k->i32 / k2.i32; - else - k->u32 = k->u32 / k2.u32; - continue; - } else if (cp_opt(cp, '%')) { - cp_expr_unary(cp, &k2); - if (k2.id > k->id) k->id = k2.id; /* Trivial promotion to unsigned. */ - if (k2.u32 == 0 || - (k->id == CTID_INT32 && k->u32 == 0x80000000u && k2.i32 == -1)) - cp_err(cp, LJ_ERR_BADVAL); - if (k->id == CTID_INT32) - k->i32 = k->i32 % k2.i32; - else - k->u32 = k->u32 % k2.u32; - continue; - } - default: - return; - } - } -} - -/* Parse and evaluate unary expression. */ -static void cp_expr_unary(CPState *cp, CPValue *k) -{ - if (++cp->depth > CPARSE_MAX_DECLDEPTH) cp_err(cp, LJ_ERR_XLEVELS); - cp_expr_prefix(cp, k); - cp_expr_postfix(cp, k); - cp->depth--; -} - -/* Parse and evaluate sub-expression. */ -static void cp_expr_sub(CPState *cp, CPValue *k, int pri) -{ - cp_expr_unary(cp, k); - cp_expr_infix(cp, k, pri); -} - -/* Parse constant integer expression. */ -static void cp_expr_kint(CPState *cp, CPValue *k) -{ - CType *ct; - cp_expr_sub(cp, k, 0); - ct = ctype_raw(cp->cts, k->id); - if (!ctype_isinteger(ct->info)) cp_err(cp, LJ_ERR_BADVAL); -} - -/* Parse (non-negative) size expression. */ -static CTSize cp_expr_ksize(CPState *cp) -{ - CPValue k; - cp_expr_kint(cp, &k); - if (k.u32 >= 0x80000000u) cp_err(cp, LJ_ERR_FFI_INVSIZE); - return k.u32; -} - -/* -- Type declaration stack management ----------------------------------- */ - -/* Add declaration element behind the insertion position. */ -static CPDeclIdx cp_add(CPDecl *decl, CTInfo info, CTSize size) -{ - CPDeclIdx top = decl->top; - if (top >= CPARSE_MAX_DECLSTACK) cp_err(decl->cp, LJ_ERR_XLEVELS); - decl->stack[top].info = info; - decl->stack[top].size = size; - decl->stack[top].sib = 0; - setgcrefnull(decl->stack[top].name); - decl->stack[top].next = decl->stack[decl->pos].next; - decl->stack[decl->pos].next = (CTypeID1)top; - decl->top = top+1; - return top; -} - -/* Push declaration element before the insertion position. */ -static CPDeclIdx cp_push(CPDecl *decl, CTInfo info, CTSize size) -{ - return (decl->pos = cp_add(decl, info, size)); -} - -/* Push or merge attributes. */ -static void cp_push_attributes(CPDecl *decl) -{ - CType *ct = &decl->stack[decl->pos]; - if (ctype_isfunc(ct->info)) { /* Ok to modify in-place. */ -#if LJ_TARGET_X86 - if ((decl->fattr & CTFP_CCONV)) - ct->info = (ct->info & (CTMASK_NUM|CTF_VARARG|CTMASK_CID)) + - (decl->fattr & ~CTMASK_CID); -#endif - } else { - if ((decl->attr & CTFP_ALIGNED) && !(decl->mode & CPARSE_MODE_FIELD)) - cp_push(decl, CTINFO(CT_ATTRIB, CTATTRIB(CTA_ALIGN)), - ctype_align(decl->attr)); - } -} - -/* Push unrolled type to declaration stack and merge qualifiers. */ -static void cp_push_type(CPDecl *decl, CTypeID id) -{ - CType *ct = ctype_get(decl->cp->cts, id); - CTInfo info = ct->info; - CTSize size = ct->size; - switch (ctype_type(info)) { - case CT_STRUCT: case CT_ENUM: - cp_push(decl, CTINFO(CT_TYPEDEF, id), 0); /* Don't copy unique types. */ - if ((decl->attr & CTF_QUAL)) { /* Push unmerged qualifiers. */ - cp_push(decl, CTINFO(CT_ATTRIB, CTATTRIB(CTA_QUAL)), - (decl->attr & CTF_QUAL)); - decl->attr &= ~CTF_QUAL; - } - break; - case CT_ATTRIB: - if (ctype_isxattrib(info, CTA_QUAL)) - decl->attr &= ~size; /* Remove redundant qualifiers. */ - cp_push_type(decl, ctype_cid(info)); /* Unroll. */ - cp_push(decl, info & ~CTMASK_CID, size); /* Copy type. */ - break; - case CT_ARRAY: - cp_push_type(decl, ctype_cid(info)); /* Unroll. */ - cp_push(decl, info & ~CTMASK_CID, size); /* Copy type. */ - decl->stack[decl->pos].sib = 1; /* Mark as already checked and sized. */ - /* Note: this is not copied to the ct->sib in the C type table. */ - break; - case CT_FUNC: - /* Copy type, link parameters (shared). */ - decl->stack[cp_push(decl, info, size)].sib = ct->sib; - break; - default: - /* Copy type, merge common qualifiers. */ - cp_push(decl, info|(decl->attr & CTF_QUAL), size); - decl->attr &= ~CTF_QUAL; - break; - } -} - -/* Consume the declaration element chain and intern the C type. */ -static CTypeID cp_decl_intern(CPState *cp, CPDecl *decl) -{ - CTypeID id = 0; - CPDeclIdx idx = 0; - CTSize csize = CTSIZE_INVALID; - CTSize cinfo = 0; - do { - CType *ct = &decl->stack[idx]; - CTInfo info = ct->info; - CTInfo size = ct->size; - /* The cid is already part of info for copies of pointers/functions. */ - idx = ct->next; - if (ctype_istypedef(info)) { - lua_assert(id == 0); - id = ctype_cid(info); - /* Always refetch info/size, since struct/enum may have been completed. */ - cinfo = ctype_get(cp->cts, id)->info; - csize = ctype_get(cp->cts, id)->size; - lua_assert(ctype_isstruct(cinfo) || ctype_isenum(cinfo)); - } else if (ctype_isfunc(info)) { /* Intern function. */ - CType *fct; - CTypeID fid; - CTypeID sib; - if (id) { - CType *refct = ctype_raw(cp->cts, id); - /* Reject function or refarray return types. */ - if (ctype_isfunc(refct->info) || ctype_isrefarray(refct->info)) - cp_err(cp, LJ_ERR_FFI_INVTYPE); - } - /* No intervening attributes allowed, skip forward. */ - while (idx) { - CType *ctn = &decl->stack[idx]; - if (!ctype_isattrib(ctn->info)) break; - idx = ctn->next; /* Skip attribute. */ - } - sib = ct->sib; /* Next line may reallocate the C type table. */ - fid = lj_ctype_new(cp->cts, &fct); - csize = CTSIZE_INVALID; - fct->info = cinfo = info + id; - fct->size = size; - fct->sib = sib; - id = fid; - } else if (ctype_isattrib(info)) { - if (ctype_isxattrib(info, CTA_QUAL)) - cinfo |= size; - else if (ctype_isxattrib(info, CTA_ALIGN)) - CTF_INSERT(cinfo, ALIGN, size); - id = lj_ctype_intern(cp->cts, info+id, size); - /* Inherit csize/cinfo from original type. */ - } else { - if (ctype_isnum(info)) { /* Handle mode/vector-size attributes. */ - lua_assert(id == 0); - if (!(info & CTF_BOOL)) { - CTSize msize = ctype_msizeP(decl->attr); - CTSize vsize = ctype_vsizeP(decl->attr); - if (msize && (!(info & CTF_FP) || (msize == 4 || msize == 8))) { - CTSize malign = lj_fls(msize); - if (malign > 4) malign = 4; /* Limit alignment. */ - CTF_INSERT(info, ALIGN, malign); - size = msize; /* Override size via mode. */ - } - if (vsize) { /* Vector size set? */ - CTSize esize = lj_fls(size); - if (vsize >= esize) { - /* Intern the element type first. */ - id = lj_ctype_intern(cp->cts, info, size); - /* Then create a vector (array) with vsize alignment. */ - size = (1u << vsize); - if (vsize > 4) vsize = 4; /* Limit alignment. */ - if (ctype_align(info) > vsize) vsize = ctype_align(info); - info = CTINFO(CT_ARRAY, (info & CTF_QUAL) + CTF_VECTOR + - CTALIGN(vsize)); - } - } - } - } else if (ctype_isptr(info)) { - /* Reject pointer/ref to ref. */ - if (id && ctype_isref(ctype_raw(cp->cts, id)->info)) - cp_err(cp, LJ_ERR_FFI_INVTYPE); - if (ctype_isref(info)) { - info &= ~CTF_VOLATILE; /* Refs are always const, never volatile. */ - /* No intervening attributes allowed, skip forward. */ - while (idx) { - CType *ctn = &decl->stack[idx]; - if (!ctype_isattrib(ctn->info)) break; - idx = ctn->next; /* Skip attribute. */ - } - } - } else if (ctype_isarray(info)) { /* Check for valid array size etc. */ - if (ct->sib == 0) { /* Only check/size arrays not copied by unroll. */ - if (ctype_isref(cinfo)) /* Reject arrays of refs. */ - cp_err(cp, LJ_ERR_FFI_INVTYPE); - /* Reject VLS or unknown-sized types. */ - if (ctype_isvltype(cinfo) || csize == CTSIZE_INVALID) - cp_err(cp, LJ_ERR_FFI_INVSIZE); - /* a[] and a[?] keep their invalid size. */ - if (size != CTSIZE_INVALID) { - uint64_t xsz = (uint64_t)size * csize; - if (xsz >= 0x80000000u) cp_err(cp, LJ_ERR_FFI_INVSIZE); - size = (CTSize)xsz; - } - } - info |= (cinfo & (CTF_QUAL|CTF_ALIGN)); /* Inherit qual and align. */ - } else { - lua_assert(ctype_isvoid(info)); - } - csize = size; - cinfo = info+id; - id = lj_ctype_intern(cp->cts, info+id, size); - } - } while (idx); - return id; -} - -/* -- C declaration parser ------------------------------------------------ */ - -#define H_(le, be) LJ_ENDIAN_SELECT(0x##le, 0x##be) - -/* Reset declaration state to declaration specifier. */ -static void cp_decl_reset(CPDecl *decl) -{ - decl->pos = decl->specpos; - decl->top = decl->specpos+1; - decl->stack[decl->specpos].next = 0; - decl->attr = decl->specattr; - decl->fattr = decl->specfattr; - decl->name = NULL; - decl->redir = NULL; -} - -/* Parse constant initializer. */ -/* NYI: FP constants and strings as initializers. */ -static CTypeID cp_decl_constinit(CPState *cp, CType **ctp, CTypeID typeid) -{ - CType *ctt = ctype_get(cp->cts, typeid); - CTInfo info; - CTSize size; - CPValue k; - CTypeID constid; - while (ctype_isattrib(ctt->info)) { /* Skip attributes. */ - typeid = ctype_cid(ctt->info); /* Update ID, too. */ - ctt = ctype_get(cp->cts, typeid); - } - info = ctt->info; - size = ctt->size; - if (!ctype_isinteger(info) || !(info & CTF_CONST) || size > 4) - cp_err(cp, LJ_ERR_FFI_INVTYPE); - cp_check(cp, '='); - cp_expr_sub(cp, &k, 0); - constid = lj_ctype_new(cp->cts, ctp); - (*ctp)->info = CTINFO(CT_CONSTVAL, CTF_CONST|typeid); - k.u32 <<= 8*(4-size); - if ((info & CTF_UNSIGNED)) - k.u32 >>= 8*(4-size); - else - k.u32 = (uint32_t)((int32_t)k.u32 >> 8*(4-size)); - (*ctp)->size = k.u32; - return constid; -} - -/* Parse size in parentheses as part of attribute. */ -static CTSize cp_decl_sizeattr(CPState *cp) -{ - CTSize sz; - uint32_t oldtmask = cp->tmask; - cp->tmask = CPNS_DEFAULT; /* Required for expression evaluator. */ - cp_check(cp, '('); - sz = cp_expr_ksize(cp); - cp->tmask = oldtmask; - cp_check(cp, ')'); - return sz; -} - -/* Parse alignment attribute. */ -static void cp_decl_align(CPState *cp, CPDecl *decl) -{ - CTSize al = 4; /* Unspecified alignment is 16 bytes. */ - if (cp->tok == '(') { - al = cp_decl_sizeattr(cp); - al = al ? lj_fls(al) : 0; - } - CTF_INSERT(decl->attr, ALIGN, al); - decl->attr |= CTFP_ALIGNED; -} - -/* Parse GCC asm("name") redirect. */ -static void cp_decl_asm(CPState *cp, CPDecl *decl) -{ - UNUSED(decl); - cp_next(cp); - cp_check(cp, '('); - if (cp->tok == CTOK_STRING) { - GCstr *str = cp->str; - while (cp_next(cp) == CTOK_STRING) { - lj_str_pushf(cp->L, "%s%s", strdata(str), strdata(cp->str)); - cp->L->top--; - str = strV(cp->L->top); - } - decl->redir = str; - } - cp_check(cp, ')'); -} - -/* Parse GCC __attribute__((mode(...))). */ -static void cp_decl_mode(CPState *cp, CPDecl *decl) -{ - cp_check(cp, '('); - if (cp->tok == CTOK_IDENT) { - const char *s = strdata(cp->str); - CTSize sz = 0, vlen = 0; - if (s[0] == '_' && s[1] == '_') s += 2; - if (*s == 'V') { - s++; - vlen = *s++ - '0'; - if (*s >= '0' && *s <= '9') - vlen = vlen*10 + (*s++ - '0'); - } - switch (*s++) { - case 'Q': sz = 1; break; - case 'H': sz = 2; break; - case 'S': sz = 4; break; - case 'D': sz = 8; break; - case 'T': sz = 16; break; - case 'O': sz = 32; break; - default: goto bad_size; - } - if (*s == 'I' || *s == 'F') { - CTF_INSERT(decl->attr, MSIZEP, sz); - if (vlen) CTF_INSERT(decl->attr, VSIZEP, lj_fls(vlen*sz)); - } - bad_size: - cp_next(cp); - } - cp_check(cp, ')'); -} - -/* Parse GCC __attribute__((...)). */ -static void cp_decl_gccattribute(CPState *cp, CPDecl *decl) -{ - cp_next(cp); - cp_check(cp, '('); - cp_check(cp, '('); - while (cp->tok != ')') { - if (cp->tok == CTOK_IDENT) { - GCstr *attrstr = cp->str; - cp_next(cp); - switch (attrstr->hash) { - case H_(64a9208e,8ce14319): case H_(8e6331b2,95a282af): /* aligned */ - cp_decl_align(cp, decl); - break; - case H_(42eb47de,f0ede26c): case H_(29f48a09,cf383e0c): /* packed */ - decl->attr |= CTFP_PACKED; - break; - case H_(0a84eef6,8dfab04c): case H_(995cf92c,d5696591): /* mode */ - cp_decl_mode(cp, decl); - break; - case H_(0ab31997,2d5213fa): case H_(bf875611,200e9990): /* vector_size */ - { - CTSize vsize = cp_decl_sizeattr(cp); - if (vsize) CTF_INSERT(decl->attr, VSIZEP, lj_fls(vsize)); - } - break; -#if LJ_TARGET_X86 - case H_(5ad22db8,c689b848): case H_(439150fa,65ea78cb): /* regparm */ - CTF_INSERT(decl->fattr, REGPARM, cp_decl_sizeattr(cp)); - decl->fattr |= CTFP_CCONV; - break; - case H_(18fc0b98,7ff4c074): case H_(4e62abed,0a747424): /* cdecl */ - CTF_INSERT(decl->fattr, CCONV, CTCC_CDECL); - decl->fattr |= CTFP_CCONV; - break; - case H_(72b2e41b,494c5a44): case H_(f2356d59,f25fc9bd): /* thiscall */ - CTF_INSERT(decl->fattr, CCONV, CTCC_THISCALL); - decl->fattr |= CTFP_CCONV; - break; - case H_(0d0ffc42,ab746f88): case H_(21c54ba1,7f0ca7e3): /* fastcall */ - CTF_INSERT(decl->fattr, CCONV, CTCC_FASTCALL); - decl->fattr |= CTFP_CCONV; - break; - case H_(ef76b040,9412e06a): case H_(de56697b,c750e6e1): /* stdcall */ - CTF_INSERT(decl->fattr, CCONV, CTCC_STDCALL); - decl->fattr |= CTFP_CCONV; - break; - case H_(ea78b622,f234bd8e): case H_(252ffb06,8d50f34b): /* sseregparm */ - decl->fattr |= CTF_SSEREGPARM; - decl->fattr |= CTFP_CCONV; - break; -#endif - default: /* Skip all other attributes. */ - goto skip_attr; - } - } else if (cp->tok >= CTOK_FIRSTDECL) { /* For __attribute((const)) etc. */ - cp_next(cp); - skip_attr: - if (cp_opt(cp, '(')) { - while (cp->tok != ')' && cp->tok != CTOK_EOF) cp_next(cp); - cp_check(cp, ')'); - } - } else { - break; - } - if (!cp_opt(cp, ',')) break; - } - cp_check(cp, ')'); - cp_check(cp, ')'); -} - -/* Parse MSVC __declspec(...). */ -static void cp_decl_msvcattribute(CPState *cp, CPDecl *decl) -{ - cp_next(cp); - cp_check(cp, '('); - while (cp->tok == CTOK_IDENT) { - GCstr *attrstr = cp->str; - cp_next(cp); - switch (attrstr->hash) { - case H_(bc2395fa,98f267f8): /* align */ - cp_decl_align(cp, decl); - break; - default: /* Ignore all other attributes. */ - if (cp_opt(cp, '(')) { - while (cp->tok != ')' && cp->tok != CTOK_EOF) cp_next(cp); - cp_check(cp, ')'); - } - break; - } - } - cp_check(cp, ')'); -} - -/* Parse declaration attributes (and common qualifiers). */ -static void cp_decl_attributes(CPState *cp, CPDecl *decl) -{ - for (;;) { - switch (cp->tok) { - case CTOK_CONST: decl->attr |= CTF_CONST; break; - case CTOK_VOLATILE: decl->attr |= CTF_VOLATILE; break; - case CTOK_RESTRICT: break; /* Ignore. */ - case CTOK_EXTENSION: break; /* Ignore. */ - case CTOK_ATTRIBUTE: cp_decl_gccattribute(cp, decl); continue; - case CTOK_ASM: cp_decl_asm(cp, decl); continue; - case CTOK_DECLSPEC: cp_decl_msvcattribute(cp, decl); continue; - case CTOK_CCDECL: -#if LJ_TARGET_X86 - CTF_INSERT(decl->fattr, CCONV, cp->ct->size); - decl->fattr |= CTFP_CCONV; -#endif - break; - case CTOK_PTRSZ: -#if LJ_64 - CTF_INSERT(decl->attr, MSIZEP, cp->ct->size); -#endif - break; - default: return; - } - cp_next(cp); - } -} - -/* Parse struct/union/enum name. */ -static CTypeID cp_struct_name(CPState *cp, CPDecl *sdecl, CTInfo info) -{ - CTypeID sid; - CType *ct; - cp->tmask = CPNS_STRUCT; - cp_next(cp); - cp_decl_attributes(cp, sdecl); - cp->tmask = CPNS_DEFAULT; - if (cp->tok != '{') { - if (cp->tok != CTOK_IDENT) cp_err_token(cp, CTOK_IDENT); - if (cp->val.id) { /* Name of existing struct/union/enum. */ - sid = cp->val.id; - ct = cp->ct; - if ((ct->info ^ info) & (CTMASK_NUM|CTF_UNION)) /* Wrong type. */ - cp_errmsg(cp, 0, LJ_ERR_FFI_REDEF, strdata(gco2str(gcref(ct->name)))); - } else { /* Create named, incomplete struct/union/enum. */ - if ((cp->mode & CPARSE_MODE_NOIMPLICIT)) - cp_errmsg(cp, 0, LJ_ERR_FFI_BADTAG, strdata(cp->str)); - sid = lj_ctype_new(cp->cts, &ct); - ct->info = info; - ct->size = CTSIZE_INVALID; - ctype_setname(ct, cp->str); - lj_ctype_addname(cp->cts, ct, sid); - } - cp_next(cp); - } else { /* Create anonymous, incomplete struct/union/enum. */ - sid = lj_ctype_new(cp->cts, &ct); - ct->info = info; - ct->size = CTSIZE_INVALID; - } - if (cp->tok == '{') { - if (ct->size != CTSIZE_INVALID || ct->sib) - cp_errmsg(cp, 0, LJ_ERR_FFI_REDEF, strdata(gco2str(gcref(ct->name)))); - ct->sib = 1; /* Indicate the type is currently being defined. */ - } - return sid; -} - -/* Determine field alignment. */ -static CTSize cp_field_align(CPState *cp, CType *ct, CTInfo info) -{ - CTSize align = ctype_align(info); - UNUSED(cp); UNUSED(ct); -#if (LJ_TARGET_X86 && !LJ_ABI_WIN) || (LJ_TARGET_ARM && __APPLE__) - /* The SYSV i386 and iOS ABIs limit alignment of non-vector fields to 2^2. */ - if (align > 2 && !(info & CTFP_ALIGNED)) { - if (ctype_isarray(info) && !(info & CTF_VECTOR)) { - do { - ct = ctype_rawchild(cp->cts, ct); - info = ct->info; - } while (ctype_isarray(info) && !(info & CTF_VECTOR)); - } - if (ctype_isnum(info) || ctype_isenum(info)) - align = 2; - } -#endif - return align; -} - -/* Layout struct/union fields. */ -static void cp_struct_layout(CPState *cp, CTypeID sid, CTInfo sattr) -{ - CTSize bofs = 0, bmaxofs = 0; /* Bit offset and max. bit offset. */ - CTSize maxalign = ctype_align(sattr); - CType *sct = ctype_get(cp->cts, sid); - CTInfo sinfo = sct->info; - CTypeID fieldid = sct->sib; - while (fieldid) { - CType *ct = ctype_get(cp->cts, fieldid); - CTInfo attr = ct->size; /* Field declaration attributes (temp.). */ - - if (ctype_isfield(ct->info) || - (ctype_isxattrib(ct->info, CTA_SUBTYPE) && attr)) { - CTSize align, amask; /* Alignment (pow2) and alignment mask (bits). */ - CTSize sz; - CTInfo info = lj_ctype_info(cp->cts, ctype_cid(ct->info), &sz); - CTSize bsz, csz = 8*sz; /* Field size and container size (in bits). */ - sinfo |= (info & (CTF_QUAL|CTF_VLA)); /* Merge pseudo-qualifiers. */ - - /* Check for size overflow and determine alignment. */ - if (sz >= 0x20000000u || bofs + csz < bofs) { - if (!(sz == CTSIZE_INVALID && ctype_isarray(info) && - !(sinfo & CTF_UNION))) - cp_err(cp, LJ_ERR_FFI_INVSIZE); - csz = sz = 0; /* Treat a[] and a[?] as zero-sized. */ - } - align = cp_field_align(cp, ct, info); - if (((attr|sattr) & CTFP_PACKED) || - ((attr & CTFP_ALIGNED) && ctype_align(attr) > align)) - align = ctype_align(attr); - if (cp->packstack[cp->curpack] < align) - align = cp->packstack[cp->curpack]; - if (align > maxalign) maxalign = align; - amask = (8u << align) - 1; - - bsz = ctype_bitcsz(ct->info); /* Bitfield size (temp.). */ - if (bsz == CTBSZ_FIELD || !ctype_isfield(ct->info)) { - bsz = csz; /* Regular fields or subtypes always fill the container. */ - bofs = (bofs + amask) & ~amask; /* Start new aligned field. */ - ct->size = (bofs >> 3); /* Store field offset. */ - } else { /* Bitfield. */ - if (bsz == 0 || (attr & CTFP_ALIGNED) || - (!((attr|sattr) & CTFP_PACKED) && (bofs & amask) + bsz > csz)) - bofs = (bofs + amask) & ~amask; /* Start new aligned field. */ - - /* Prefer regular field over bitfield. */ - if (bsz == csz && (bofs & amask) == 0) { - ct->info = CTINFO(CT_FIELD, ctype_cid(ct->info)); - ct->size = (bofs >> 3); /* Store field offset. */ - } else { - ct->info = CTINFO(CT_BITFIELD, - (info & (CTF_QUAL|CTF_UNSIGNED|CTF_BOOL)) + - (csz << (CTSHIFT_BITCSZ-3)) + (bsz << CTSHIFT_BITBSZ)); -#if LJ_BE - ct->info += ((csz - (bofs & (csz-1)) - bsz) << CTSHIFT_BITPOS); -#else - ct->info += ((bofs & (csz-1)) << CTSHIFT_BITPOS); -#endif - ct->size = ((bofs & ~(csz-1)) >> 3); /* Store container offset. */ - } - } - - /* Determine next offset or max. offset. */ - if ((sinfo & CTF_UNION)) { - if (bsz > bmaxofs) bmaxofs = bsz; - } else { - bofs += bsz; - } - } /* All other fields in the chain are already set up. */ - - fieldid = ct->sib; - } - - /* Complete struct/union. */ - sct->info = sinfo + CTALIGN(maxalign); - bofs = (sinfo & CTF_UNION) ? bmaxofs : bofs; - maxalign = (8u << maxalign) - 1; - sct->size = (((bofs + maxalign) & ~maxalign) >> 3); -} - -/* Parse struct/union declaration. */ -static CTypeID cp_decl_struct(CPState *cp, CPDecl *sdecl, CTInfo sinfo) -{ - CTypeID sid = cp_struct_name(cp, sdecl, sinfo); - if (cp_opt(cp, '{')) { /* Struct/union definition. */ - CTypeID lastid = sid; - int lastdecl = 0; - while (cp->tok != '}') { - CPDecl decl; - CPscl scl = cp_decl_spec(cp, &decl, CDF_STATIC); - decl.mode = scl ? CPARSE_MODE_DIRECT : - CPARSE_MODE_DIRECT|CPARSE_MODE_ABSTRACT|CPARSE_MODE_FIELD; - - for (;;) { - CTypeID typeid; - - if (lastdecl) cp_err_token(cp, '}'); - - /* Parse field declarator. */ - decl.bits = CTSIZE_INVALID; - cp_declarator(cp, &decl); - typeid = cp_decl_intern(cp, &decl); - - if ((scl & CDF_STATIC)) { /* Static constant in struct namespace. */ - CType *ct; - CTypeID fieldid = cp_decl_constinit(cp, &ct, typeid); - ctype_get(cp->cts, lastid)->sib = fieldid; - lastid = fieldid; - ctype_setname(ct, decl.name); - } else { - CTSize bsz = CTBSZ_FIELD; /* Temp. for layout phase. */ - CType *ct; - CTypeID fieldid = lj_ctype_new(cp->cts, &ct); /* Do this first. */ - CType *tct = ctype_raw(cp->cts, typeid); - - if (decl.bits == CTSIZE_INVALID) { /* Regular field. */ - if (ctype_isarray(tct->info) && tct->size == CTSIZE_INVALID) - lastdecl = 1; /* a[] or a[?] must be the last declared field. */ - - /* Accept transparent struct/union/enum. */ - if (!decl.name) { - if (!((ctype_isstruct(tct->info) && !(tct->info & CTF_VLA)) || - ctype_isenum(tct->info))) - cp_err_token(cp, CTOK_IDENT); - ct->info = CTINFO(CT_ATTRIB, CTATTRIB(CTA_SUBTYPE) + typeid); - ct->size = ctype_isstruct(tct->info) ? - (decl.attr|0x80000000u) : 0; /* For layout phase. */ - goto add_field; - } - } else { /* Bitfield. */ - bsz = decl.bits; - if (!ctype_isinteger_or_bool(tct->info) || - (bsz == 0 && decl.name) || 8*tct->size > CTBSZ_MAX || - bsz > ((tct->info & CTF_BOOL) ? 1 : 8*tct->size)) - cp_errmsg(cp, ':', LJ_ERR_BADVAL); - } - - /* Create temporary field for layout phase. */ - ct->info = CTINFO(CT_FIELD, typeid + (bsz << CTSHIFT_BITCSZ)); - ct->size = decl.attr; - if (decl.name) ctype_setname(ct, decl.name); - - add_field: - ctype_get(cp->cts, lastid)->sib = fieldid; - lastid = fieldid; - } - if (!cp_opt(cp, ',')) break; - cp_decl_reset(&decl); - } - cp_check(cp, ';'); - } - cp_check(cp, '}'); - ctype_get(cp->cts, lastid)->sib = 0; /* Drop sib = 1 for empty structs. */ - cp_decl_attributes(cp, sdecl); /* Layout phase needs postfix attributes. */ - cp_struct_layout(cp, sid, sdecl->attr); - } - return sid; -} - -/* Parse enum declaration. */ -static CTypeID cp_decl_enum(CPState *cp, CPDecl *sdecl) -{ - CTypeID eid = cp_struct_name(cp, sdecl, CTINFO(CT_ENUM, CTID_VOID)); - CTInfo einfo = CTINFO(CT_ENUM, CTALIGN(2) + CTID_UINT32); - CTSize esize = 4; /* Only 32 bit enums are supported. */ - if (cp_opt(cp, '{')) { /* Enum definition. */ - CPValue k; - CTypeID lastid = eid; - k.u32 = 0; - k.id = CTID_INT32; - do { - GCstr *name = cp->str; - if (cp->tok != CTOK_IDENT) cp_err_token(cp, CTOK_IDENT); - if (cp->val.id) cp_errmsg(cp, 0, LJ_ERR_FFI_REDEF, strdata(name)); - cp_next(cp); - if (cp_opt(cp, '=')) { - cp_expr_kint(cp, &k); - if (k.id == CTID_UINT32) { - /* C99 says that enum constants are always (signed) integers. - ** But since unsigned constants like 0x80000000 are quite common, - ** those are left as uint32_t. - */ - if (k.i32 >= 0) k.id = CTID_INT32; - } else { - /* OTOH it's common practice and even mandated by some ABIs - ** that the enum type itself is unsigned, unless there are any - ** negative constants. - */ - k.id = CTID_INT32; - if (k.i32 < 0) einfo = CTINFO(CT_ENUM, CTALIGN(2) + CTID_INT32); - } - } - /* Add named enum constant. */ - { - CType *ct; - CTypeID constid = lj_ctype_new(cp->cts, &ct); - ctype_get(cp->cts, lastid)->sib = constid; - lastid = constid; - ctype_setname(ct, name); - ct->info = CTINFO(CT_CONSTVAL, CTF_CONST|k.id); - ct->size = k.u32++; - if (k.u32 == 0x80000000u) k.id = CTID_UINT32; - lj_ctype_addname(cp->cts, ct, constid); - } - if (!cp_opt(cp, ',')) break; - } while (cp->tok != '}'); /* Trailing ',' is ok. */ - cp_check(cp, '}'); - /* Complete enum. */ - ctype_get(cp->cts, eid)->info = einfo; - ctype_get(cp->cts, eid)->size = esize; - } - return eid; -} - -/* Parse declaration specifiers. */ -static CPscl cp_decl_spec(CPState *cp, CPDecl *decl, CPscl scl) -{ - uint32_t cds = 0, sz = 0; - CTInfo tdef = 0; - - decl->cp = cp; - decl->mode = cp->mode; - decl->name = NULL; - decl->redir = NULL; - decl->attr = 0; - decl->fattr = 0; - decl->pos = decl->top = 0; - decl->stack[0].next = 0; - - for (;;) { /* Parse basic types. */ - cp_decl_attributes(cp, decl); - switch (cp->tok) { - case CTOK_STRUCT: - tdef = cp_decl_struct(cp, decl, CTINFO(CT_STRUCT, 0)); - break; - case CTOK_UNION: - tdef = cp_decl_struct(cp, decl, CTINFO(CT_STRUCT, CTF_UNION)); - break; - case CTOK_ENUM: - tdef = cp_decl_enum(cp, decl); - break; - case CTOK_IDENT: - if (!ctype_istypedef(cp->ct->info) || sz || tdef || - (cds & (CDF_SHORT|CDF_LONG|CDF_SIGNED|CDF_UNSIGNED|CDF_COMPLEX))) - goto end_decl; - tdef = ctype_cid(cp->ct->info); /* Get typedef. */ - cp_next(cp); - break; - default: - if (cp->tok >= CTOK_FIRSTDECL && cp->tok <= CTOK_LASTDECLFLAG) { - uint32_t cbit; - if (cp->ct->size) { - if (sz) goto end_decl; - sz = cp->ct->size; - } - cbit = (1u << (cp->tok - CTOK_FIRSTDECL)); - cds = cds | cbit | ((cbit & cds & CDF_LONG) << 1); - if (cp->tok >= CTOK_FIRSTSCL && !(scl & cbit)) - cp_errmsg(cp, cp->tok, LJ_ERR_FFI_BADSCL); - cp_next(cp); - break; - } - goto end_decl; - } - } -end_decl: - - if ((cds & CDF_COMPLEX)) /* Use predefined complex types. */ - tdef = sz == 4 ? CTID_COMPLEX_FLOAT : CTID_COMPLEX_DOUBLE; - - if (tdef) { - cp_push_type(decl, tdef); - } else if ((cds & CDF_VOID)) { - cp_push(decl, CTINFO(CT_VOID, (decl->attr & CTF_QUAL)), CTSIZE_INVALID); - decl->attr &= ~CTF_QUAL; - } else { - /* Determine type info and size. */ - CTInfo info = CTINFO(CT_NUM, (cds & CDF_UNSIGNED) ? CTF_UNSIGNED : 0); - if ((cds & CDF_BOOL)) { - info = CTINFO(CT_NUM, CTF_UNSIGNED|CTF_BOOL); - lua_assert(sz == 1); - } else if ((cds & CDF_FP)) { - info = CTINFO(CT_NUM, CTF_FP); - if ((cds & CDF_LONG)) sz = sizeof(long double); - } else if ((cds & CDF_CHAR)) { - if ((cds & (CDF_CHAR|CDF_SIGNED|CDF_UNSIGNED)) == CDF_CHAR) - info |= CTF_UCHAR; /* Handle platforms where char is unsigned. */ - } else if ((cds & CDF_SHORT)) { - sz = sizeof(short); - } else if ((cds & CDF_LONGLONG)) { - sz = 8; - } else if ((cds & CDF_LONG)) { - info |= CTF_LONG; - sz = sizeof(long); - } else if (!sz) { - if (!(cds & (CDF_SIGNED|CDF_UNSIGNED))) - cp_errmsg(cp, cp->tok, LJ_ERR_FFI_DECLSPEC); - sz = sizeof(int); - } - lua_assert(sz != 0); - info += CTALIGN(lj_fls(sz)); /* Use natural alignment. */ - info += (decl->attr & CTF_QUAL); /* Merge qualifiers. */ - cp_push(decl, info, sz); - decl->attr &= ~CTF_QUAL; - } - decl->specpos = decl->pos; - decl->specattr = decl->attr; - decl->specfattr = decl->fattr; - return (cds & CDF_SCL); /* Return storage class. */ -} - -/* Parse array declaration. */ -static void cp_decl_array(CPState *cp, CPDecl *decl) -{ - CTInfo info = CTINFO(CT_ARRAY, 0); - CTSize nelem = CTSIZE_INVALID; /* Default size for a[] or a[?]. */ - cp_decl_attributes(cp, decl); - if (cp_opt(cp, '?')) - info |= CTF_VLA; /* Create variable-length array a[?]. */ - else if (cp->tok != ']') - nelem = cp_expr_ksize(cp); - cp_check(cp, ']'); - cp_add(decl, info, nelem); -} - -/* Parse function declaration. */ -static void cp_decl_func(CPState *cp, CPDecl *fdecl) -{ - CTSize nargs = 0; - CTInfo info = CTINFO(CT_FUNC, 0); - CTypeID lastid = 0, anchor = 0; - if (cp->tok != ')') { - do { - CPDecl decl; - CTypeID typeid, fieldid; - CType *ct; - if (cp_opt(cp, '.')) { /* Vararg function. */ - cp_check(cp, '.'); /* Workaround for the minimalistic lexer. */ - cp_check(cp, '.'); - info |= CTF_VARARG; - break; - } - cp_decl_spec(cp, &decl, CDF_REGISTER); - decl.mode = CPARSE_MODE_DIRECT|CPARSE_MODE_ABSTRACT; - cp_declarator(cp, &decl); - typeid = cp_decl_intern(cp, &decl); - ct = ctype_raw(cp->cts, typeid); - if (ctype_isvoid(ct->info)) - break; - else if (ctype_isrefarray(ct->info)) - typeid = lj_ctype_intern(cp->cts, - CTINFO(CT_PTR, CTALIGN_PTR|ctype_cid(ct->info)), CTSIZE_PTR); - else if (ctype_isfunc(ct->info)) - typeid = lj_ctype_intern(cp->cts, - CTINFO(CT_PTR, CTALIGN_PTR|typeid), CTSIZE_PTR); - /* Add new parameter. */ - fieldid = lj_ctype_new(cp->cts, &ct); - if (anchor) - ctype_get(cp->cts, lastid)->sib = fieldid; - else - anchor = fieldid; - lastid = fieldid; - if (decl.name) ctype_setname(ct, decl.name); - ct->info = CTINFO(CT_FIELD, typeid); - ct->size = nargs++; - } while (cp_opt(cp, ',')); - } - cp_check(cp, ')'); - if (cp_opt(cp, '{')) { /* Skip function definition. */ - int level = 1; - cp->mode |= CPARSE_MODE_SKIP; - for (;;) { - if (cp->tok == '{') level++; - else if (cp->tok == '}' && --level == 0) break; - else if (cp->tok == CTOK_EOF) cp_err_token(cp, '}'); - cp_next(cp); - } - cp->mode &= ~CPARSE_MODE_SKIP; - cp->tok = ';'; /* Ok for cp_decl_multi(), error in cp_decl_single(). */ - } - info |= (fdecl->fattr & ~CTMASK_CID); - fdecl->fattr = 0; - fdecl->stack[cp_add(fdecl, info, nargs)].sib = anchor; -} - -/* Parse declarator. */ -static void cp_declarator(CPState *cp, CPDecl *decl) -{ - if (++cp->depth > CPARSE_MAX_DECLDEPTH) cp_err(cp, LJ_ERR_XLEVELS); - - for (;;) { /* Head of declarator. */ - if (cp_opt(cp, '*')) { /* Pointer. */ - CTSize sz; - CTInfo info; - cp_decl_attributes(cp, decl); - sz = CTSIZE_PTR; - info = CTINFO(CT_PTR, CTALIGN_PTR); -#if LJ_64 - if (ctype_msizeP(decl->attr) == 4) { - sz = 4; - info = CTINFO(CT_PTR, CTALIGN(2)); - } -#endif - info += (decl->attr & (CTF_QUAL|CTF_REF)); - decl->attr &= ~(CTF_QUAL|(CTMASK_MSIZEP<attr &= ~(CTF_QUAL|(CTMASK_MSIZEP<mode & CPARSE_MODE_ABSTRACT) && - (cp->tok == ')' || cp_istypedecl(cp))) goto func_decl; - pos = decl->pos; - cp_declarator(cp, decl); - cp_check(cp, ')'); - decl->pos = pos; - } else if (cp->tok == CTOK_IDENT) { /* Direct declarator. */ - if (!(decl->mode & CPARSE_MODE_DIRECT)) cp_err_token(cp, CTOK_EOF); - decl->name = cp->str; - decl->nameid = cp->val.id; - cp_next(cp); - } else { /* Abstract declarator. */ - if (!(decl->mode & CPARSE_MODE_ABSTRACT)) cp_err_token(cp, CTOK_IDENT); - } - - for (;;) { /* Tail of declarator. */ - if (cp_opt(cp, '[')) { /* Array. */ - cp_decl_array(cp, decl); - } else if (cp_opt(cp, '(')) { /* Function. */ - func_decl: - cp_decl_func(cp, decl); - } else { - break; - } - } - - if ((decl->mode & CPARSE_MODE_FIELD) && cp_opt(cp, ':')) /* Field width. */ - decl->bits = cp_expr_ksize(cp); - - /* Process postfix attributes. */ - cp_decl_attributes(cp, decl); - cp_push_attributes(decl); - - cp->depth--; -} - -/* Parse an abstract type declaration and return it's C type ID. */ -static CTypeID cp_decl_abstract(CPState *cp) -{ - CPDecl decl; - cp_decl_spec(cp, &decl, 0); - decl.mode = CPARSE_MODE_ABSTRACT; - cp_declarator(cp, &decl); - return cp_decl_intern(cp, &decl); -} - -/* Handle pragmas. */ -static void cp_pragma(CPState *cp, BCLine pragmaline) -{ - cp_next(cp); - if (cp->tok == CTOK_IDENT && - cp->str->hash == H_(e79b999f,42ca3e85)) { /* pack */ - cp_next(cp); - cp_check(cp, '('); - if (cp->tok == CTOK_IDENT) { - if (cp->str->hash == H_(738e923c,a1b65954)) { /* push */ - if (cp->curpack < CPARSE_MAX_PACKSTACK) { - cp->packstack[cp->curpack+1] = cp->packstack[cp->curpack]; - cp->curpack++; - } - } else if (cp->str->hash == H_(6c71cf27,6c71cf27)) { /* pop */ - if (cp->curpack > 0) cp->curpack--; - } else { - cp_errmsg(cp, cp->tok, LJ_ERR_XSYMBOL); - } - cp_next(cp); - if (!cp_opt(cp, ',')) goto end_pack; - } - if (cp->tok == CTOK_INTEGER) { - cp->packstack[cp->curpack] = cp->val.u32 ? lj_fls(cp->val.u32) : 0; - cp_next(cp); - } else { - cp->packstack[cp->curpack] = 255; - } - end_pack: - cp_check(cp, ')'); - } else { /* Ignore all other pragmas. */ - while (cp->tok != CTOK_EOF && cp->linenumber == pragmaline) - cp_next(cp); - } -} - -/* Parse multiple C declarations of types or extern identifiers. */ -static void cp_decl_multi(CPState *cp) -{ - int first = 1; - while (cp->tok != CTOK_EOF) { - CPDecl decl; - CPscl scl; - if (cp_opt(cp, ';')) { /* Skip empty statements. */ - first = 0; - continue; - } - if (cp->tok == '#') { /* Workaround, since we have no preprocessor, yet. */ - BCLine pragmaline = cp->linenumber; - if (!(cp_next(cp) == CTOK_IDENT && - cp->str->hash == H_(f5e6b4f8,1d509107))) /* pragma */ - cp_errmsg(cp, cp->tok, LJ_ERR_XSYMBOL); - cp_pragma(cp, pragmaline); - continue; - } - scl = cp_decl_spec(cp, &decl, CDF_TYPEDEF|CDF_EXTERN|CDF_STATIC); - if ((cp->tok == ';' || cp->tok == CTOK_EOF) && - ctype_istypedef(decl.stack[0].info)) { - CTInfo info = ctype_rawchild(cp->cts, &decl.stack[0])->info; - if (ctype_isstruct(info) || ctype_isenum(info)) - goto decl_end; /* Accept empty declaration of struct/union/enum. */ - } - for (;;) { - CTypeID typeid; - cp_declarator(cp, &decl); - typeid = cp_decl_intern(cp, &decl); - if (decl.name && !decl.nameid) { /* NYI: redeclarations are ignored. */ - CType *ct; - CTypeID id; - if ((scl & CDF_TYPEDEF)) { /* Create new typedef. */ - id = lj_ctype_new(cp->cts, &ct); - ct->info = CTINFO(CT_TYPEDEF, typeid); - goto noredir; - } else if (ctype_isfunc(ctype_get(cp->cts, typeid)->info)) { - /* Treat both static and extern function declarations as extern. */ - ct = ctype_get(cp->cts, typeid); - /* We always get new anonymous functions (typedefs are copied). */ - lua_assert(gcref(ct->name) == NULL); - id = typeid; /* Just name it. */ - } else if ((scl & CDF_STATIC)) { /* Accept static constants. */ - id = cp_decl_constinit(cp, &ct, typeid); - goto noredir; - } else { /* External references have extern or no storage class. */ - id = lj_ctype_new(cp->cts, &ct); - ct->info = CTINFO(CT_EXTERN, typeid); - } - if (decl.redir) { /* Add attribute for redirected symbol name. */ - CType *cta; - CTypeID aid = lj_ctype_new(cp->cts, &cta); - ct = ctype_get(cp->cts, id); /* Table may have been reallocated. */ - cta->info = CTINFO(CT_ATTRIB, CTATTRIB(CTA_REDIR)); - cta->sib = ct->sib; - ct->sib = aid; - ctype_setname(cta, decl.redir); - } - noredir: - ctype_setname(ct, decl.name); - lj_ctype_addname(cp->cts, ct, id); - } - if (!cp_opt(cp, ',')) break; - cp_decl_reset(&decl); - } - decl_end: - if (cp->tok == CTOK_EOF && first) break; /* May omit ';' for 1 decl. */ - first = 0; - cp_check(cp, ';'); - } -} - -/* Parse a single C type declaration. */ -static void cp_decl_single(CPState *cp) -{ - CPDecl decl; - cp_decl_spec(cp, &decl, 0); - cp_declarator(cp, &decl); - cp->val.id = cp_decl_intern(cp, &decl); - if (cp->tok != CTOK_EOF) cp_err_token(cp, CTOK_EOF); -} - -#undef H_ - -/* ------------------------------------------------------------------------ */ - -/* Protected callback for C parser. */ -static TValue *cpcparser(lua_State *L, lua_CFunction dummy, void *ud) -{ - CPState *cp = (CPState *)ud; - UNUSED(dummy); - cframe_errfunc(L->cframe) = -1; /* Inherit error function. */ - cp_init(cp); - if ((cp->mode & CPARSE_MODE_MULTI)) - cp_decl_multi(cp); - else - cp_decl_single(cp); - lua_assert(cp->depth == 0); - return NULL; -} - -/* C parser. */ -int lj_cparse(CPState *cp) -{ - LJ_CTYPE_SAVE(cp->cts); - int errcode = lj_vm_cpcall(cp->L, NULL, cp, cpcparser); - if (errcode) - LJ_CTYPE_RESTORE(cp->cts); - cp_cleanup(cp); - return errcode; -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_cparse.h b/libraries/luajit-2.0/src/lj_cparse.h deleted file mode 100644 index c947700..0000000 --- a/libraries/luajit-2.0/src/lj_cparse.h +++ /dev/null @@ -1,64 +0,0 @@ -/* -** C declaration parser. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_CPARSE_H -#define _LJ_CPARSE_H - -#include "lj_obj.h" -#include "lj_ctype.h" - -#if LJ_HASFFI - -/* C parser limits. */ -#define CPARSE_MAX_BUF 32768 /* Max. token buffer size. */ -#define CPARSE_MAX_DECLSTACK 100 /* Max. declaration stack depth. */ -#define CPARSE_MAX_DECLDEPTH 20 /* Max. recursive declaration depth. */ -#define CPARSE_MAX_PACKSTACK 7 /* Max. pack pragma stack depth. */ - -/* Flags for C parser mode. */ -#define CPARSE_MODE_MULTI 1 /* Process multiple declarations. */ -#define CPARSE_MODE_ABSTRACT 2 /* Accept abstract declarators. */ -#define CPARSE_MODE_DIRECT 4 /* Accept direct declarators. */ -#define CPARSE_MODE_FIELD 8 /* Accept field width in bits, too. */ -#define CPARSE_MODE_NOIMPLICIT 16 /* Reject implicit declarations. */ -#define CPARSE_MODE_SKIP 32 /* Skip definitions, ignore errors. */ - -typedef int CPChar; /* C parser character. Unsigned ext. from char. */ -typedef int CPToken; /* C parser token. */ - -/* C parser internal value representation. */ -typedef struct CPValue { - union { - int32_t i32; /* Value for CTID_INT32. */ - uint32_t u32; /* Value for CTID_UINT32. */ - }; - CTypeID id; /* C Type ID of the value. */ -} CPValue; - -/* C parser state. */ -typedef struct CPState { - CPChar c; /* Current character. */ - CPToken tok; /* Current token. */ - CPValue val; /* Token value. */ - GCstr *str; /* Interned string of identifier/keyword. */ - CType *ct; /* C type table entry. */ - const char *p; /* Current position in input buffer. */ - SBuf sb; /* String buffer for tokens. */ - lua_State *L; /* Lua state. */ - CTState *cts; /* C type state. */ - const char *srcname; /* Current source name. */ - BCLine linenumber; /* Input line counter. */ - int depth; /* Recursive declaration depth. */ - uint32_t tmask; /* Type mask for next identifier. */ - uint32_t mode; /* C parser mode. */ - uint8_t packstack[CPARSE_MAX_PACKSTACK]; /* Stack for pack pragmas. */ - uint8_t curpack; /* Current position in pack pragma stack. */ -} CPState; - -LJ_FUNC int lj_cparse(CPState *cp); - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_crecord.c b/libraries/luajit-2.0/src/lj_crecord.c deleted file mode 100644 index 27001f6..0000000 --- a/libraries/luajit-2.0/src/lj_crecord.c +++ /dev/null @@ -1,1316 +0,0 @@ -/* -** Trace recorder for C data operations. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_ffrecord_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT && LJ_HASFFI - -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_frame.h" -#include "lj_ctype.h" -#include "lj_cdata.h" -#include "lj_cparse.h" -#include "lj_cconv.h" -#include "lj_clib.h" -#include "lj_ccall.h" -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_ircall.h" -#include "lj_iropt.h" -#include "lj_trace.h" -#include "lj_record.h" -#include "lj_ffrecord.h" -#include "lj_snap.h" -#include "lj_crecord.h" -#include "lj_dispatch.h" - -/* Some local macros to save typing. Undef'd at the end. */ -#define IR(ref) (&J->cur.ir[(ref)]) - -/* Pass IR on to next optimization in chain (FOLD). */ -#define emitir(ot, a, b) (lj_ir_set(J, (ot), (a), (b)), lj_opt_fold(J)) - -#define emitconv(a, dt, st, flags) \ - emitir(IRT(IR_CONV, (dt)), (a), (st)|((dt) << 5)|(flags)) - -/* -- C type checks ------------------------------------------------------- */ - -static GCcdata *argv2cdata(jit_State *J, TRef tr, cTValue *o) -{ - GCcdata *cd; - TRef trtypeid; - if (!tref_iscdata(tr)) - lj_trace_err(J, LJ_TRERR_BADTYPE); - cd = cdataV(o); - /* Specialize to the CTypeID. */ - trtypeid = emitir(IRT(IR_FLOAD, IRT_U16), tr, IRFL_CDATA_TYPEID); - emitir(IRTG(IR_EQ, IRT_INT), trtypeid, lj_ir_kint(J, (int32_t)cd->typeid)); - return cd; -} - -/* Specialize to the CTypeID held by a cdata constructor. */ -static CTypeID crec_constructor(jit_State *J, GCcdata *cd, TRef tr) -{ - CTypeID id; - lua_assert(tref_iscdata(tr) && cd->typeid == CTID_CTYPEID); - id = *(CTypeID *)cdataptr(cd); - tr = emitir(IRT(IR_ADD, IRT_PTR), tr, lj_ir_kintp(J, sizeof(GCcdata))); - tr = emitir(IRT(IR_XLOAD, IRT_INT), tr, 0); - emitir(IRTG(IR_EQ, IRT_INT), tr, lj_ir_kint(J, (int32_t)id)); - return id; -} - -static CTypeID argv2ctype(jit_State *J, TRef tr, cTValue *o) -{ - if (tref_isstr(tr)) { - GCstr *s = strV(o); - CPState cp; - CTypeID oldtop; - /* Specialize to the string containing the C type declaration. */ - emitir(IRTG(IR_EQ, IRT_STR), tr, lj_ir_kstr(J, s)); - cp.L = J->L; - cp.cts = ctype_ctsG(J2G(J)); - oldtop = cp.cts->top; - cp.srcname = strdata(s); - cp.p = strdata(s); - cp.mode = CPARSE_MODE_ABSTRACT|CPARSE_MODE_NOIMPLICIT; - if (lj_cparse(&cp) || cp.cts->top > oldtop) /* Avoid new struct defs. */ - lj_trace_err(J, LJ_TRERR_BADTYPE); - return cp.val.id; - } else { - GCcdata *cd = argv2cdata(J, tr, o); - return cd->typeid == CTID_CTYPEID ? crec_constructor(J, cd, tr) : - cd->typeid; - } -} - -/* -- Convert C type to C type -------------------------------------------- */ - -/* -** This code mirrors the code in lj_cconv.c. It performs the same steps -** for the trace recorder that lj_cconv.c does for the interpreter. -** -** One major difference is that we can get away with much fewer checks -** here. E.g. checks for casts, constness or correct types can often be -** omitted, even if they might fail. The interpreter subsequently throws -** an error, which aborts the trace. -** -** All operations are specialized to their C types, so the on-trace -** outcome must be the same as the outcome in the interpreter. If the -** interpreter doesn't throw an error, then the trace is correct, too. -** Care must be taken not to generate invalid (temporary) IR or to -** trigger asserts. -*/ - -/* Convert CType to IRType. */ -static IRType crec_ct2irt(CType *ct) -{ - if (LJ_LIKELY(ctype_isnum(ct->info))) { - if ((ct->info & CTF_FP)) { - if (ct->size == sizeof(double)) - return IRT_NUM; - else if (ct->size == sizeof(float)) - return IRT_FLOAT; - } else { - uint32_t b = lj_fls(ct->size); - if (b <= 3) - return IRT_I8 + 2*b + ((ct->info & CTF_UNSIGNED) ? 1 : 0); - } - } else if (ctype_isptr(ct->info)) { - return (LJ_64 && ct->size == 8) ? IRT_P64 : IRT_P32; - } else if (ctype_iscomplex(ct->info)) { - if (ct->size == 2*sizeof(double)) - return IRT_NUM; - else if (ct->size == 2*sizeof(float)) - return IRT_FLOAT; - } - return IRT_CDATA; -} - -/* Determine whether a passed number or cdata number is non-zero. */ -static int crec_isnonzero(CType *s, void *p) -{ - if (p == (void *)0) - return 0; - if (p == (void *)1) - return 1; - if ((s->info & CTF_FP)) { - if (s->size == sizeof(float)) - return (*(float *)p != 0); - else - return (*(double *)p != 0); - } else { - if (s->size == 1) - return (*(uint8_t *)p != 0); - else if (s->size == 2) - return (*(uint16_t *)p != 0); - else if (s->size == 4) - return (*(uint32_t *)p != 0); - else - return (*(uint64_t *)p != 0); - } -} - -static TRef crec_ct_ct(jit_State *J, CType *d, CType *s, TRef dp, TRef sp, - void *svisnz) -{ - CTSize dsize = d->size, ssize = s->size; - CTInfo dinfo = d->info, sinfo = s->info; - IRType dt = crec_ct2irt(d); - IRType st = crec_ct2irt(s); - - if (ctype_type(dinfo) > CT_MAYCONVERT || ctype_type(sinfo) > CT_MAYCONVERT) - goto err_conv; - - /* - ** Note: Unlike lj_cconv_ct_ct(), sp holds the _value_ of pointers and - ** numbers up to 8 bytes. Otherwise sp holds a pointer. - */ - - switch (cconv_idx2(dinfo, sinfo)) { - /* Destination is a bool. */ - case CCX(B, B): - goto xstore; /* Source operand is already normalized. */ - case CCX(B, I): - case CCX(B, F): - if (st != IRT_CDATA) { - /* Specialize to the result of a comparison against 0. */ - TRef zero = (st == IRT_NUM || st == IRT_FLOAT) ? lj_ir_knum(J, 0) : - (st == IRT_I64 || st == IRT_U64) ? lj_ir_kint64(J, 0) : - lj_ir_kint(J, 0); - int isnz = crec_isnonzero(s, svisnz); - emitir(IRTG(isnz ? IR_NE : IR_EQ, st), sp, zero); - sp = lj_ir_kint(J, isnz); - goto xstore; - } - goto err_nyi; - - /* Destination is an integer. */ - case CCX(I, B): - case CCX(I, I): - conv_I_I: - if (dt == IRT_CDATA || st == IRT_CDATA) goto err_nyi; - /* Extend 32 to 64 bit integer. */ - if (dsize == 8 && ssize < 8 && !(LJ_64 && (sinfo & CTF_UNSIGNED))) - sp = emitconv(sp, dt, ssize < 4 ? IRT_INT : st, - (sinfo & CTF_UNSIGNED) ? 0 : IRCONV_SEXT); - else if (dsize < 8 && ssize == 8) /* Truncate from 64 bit integer. */ - sp = emitconv(sp, dsize < 4 ? IRT_INT : dt, st, 0); - else if (st == IRT_INT) - sp = lj_opt_narrow_toint(J, sp); - xstore: - if (dt == IRT_I64 || dt == IRT_U64) lj_needsplit(J); - if (dp == 0) return sp; - emitir(IRT(IR_XSTORE, dt), dp, sp); - break; - case CCX(I, C): - sp = emitir(IRT(IR_XLOAD, st), sp, 0); /* Load re. */ - /* fallthrough */ - case CCX(I, F): - if (dt == IRT_CDATA || st == IRT_CDATA) goto err_nyi; - sp = emitconv(sp, dsize < 4 ? IRT_INT : dt, st, IRCONV_TRUNC|IRCONV_ANY); - goto xstore; - case CCX(I, P): - case CCX(I, A): - sinfo = CTINFO(CT_NUM, CTF_UNSIGNED); - ssize = CTSIZE_PTR; - st = IRT_UINTP; - goto conv_I_I; - - /* Destination is a floating-point number. */ - case CCX(F, B): - case CCX(F, I): - conv_F_I: - if (dt == IRT_CDATA || st == IRT_CDATA) goto err_nyi; - sp = emitconv(sp, dt, ssize < 4 ? IRT_INT : st, 0); - goto xstore; - case CCX(F, C): - sp = emitir(IRT(IR_XLOAD, st), sp, 0); /* Load re. */ - /* fallthrough */ - case CCX(F, F): - conv_F_F: - if (dt == IRT_CDATA || st == IRT_CDATA) goto err_nyi; - if (dt != st) sp = emitconv(sp, dt, st, 0); - goto xstore; - - /* Destination is a complex number. */ - case CCX(C, I): - case CCX(C, F): - { /* Clear im. */ - TRef ptr = emitir(IRT(IR_ADD, IRT_PTR), dp, lj_ir_kintp(J, (dsize >> 1))); - emitir(IRT(IR_XSTORE, dt), ptr, lj_ir_knum(J, 0)); - } - /* Convert to re. */ - if ((sinfo & CTF_FP)) goto conv_F_F; else goto conv_F_I; - - case CCX(C, C): - if (dt == IRT_CDATA || st == IRT_CDATA) goto err_nyi; - { - TRef re, im, ptr; - re = emitir(IRT(IR_XLOAD, st), sp, 0); - ptr = emitir(IRT(IR_ADD, IRT_PTR), sp, lj_ir_kintp(J, (ssize >> 1))); - im = emitir(IRT(IR_XLOAD, st), ptr, 0); - if (dt != st) { - re = emitconv(re, dt, st, 0); - im = emitconv(im, dt, st, 0); - } - emitir(IRT(IR_XSTORE, dt), dp, re); - ptr = emitir(IRT(IR_ADD, IRT_PTR), dp, lj_ir_kintp(J, (dsize >> 1))); - emitir(IRT(IR_XSTORE, dt), ptr, im); - } - break; - - /* Destination is a vector. */ - case CCX(V, I): - case CCX(V, F): - case CCX(V, C): - case CCX(V, V): - goto err_nyi; - - /* Destination is a pointer. */ - case CCX(P, P): - case CCX(P, A): - case CCX(P, S): - /* There are only 32 bit pointers/addresses on 32 bit machines. - ** Also ok on x64, since all 32 bit ops clear the upper part of the reg. - */ - goto xstore; - case CCX(P, I): - if (st == IRT_CDATA) goto err_nyi; - if (!LJ_64 && ssize == 8) /* Truncate from 64 bit integer. */ - sp = emitconv(sp, IRT_U32, st, 0); - goto xstore; - case CCX(P, F): - if (st == IRT_CDATA) goto err_nyi; - /* The signed conversion is cheaper. x64 really has 47 bit pointers. */ - sp = emitconv(sp, (LJ_64 && dsize == 8) ? IRT_I64 : IRT_U32, - st, IRCONV_TRUNC|IRCONV_ANY); - goto xstore; - - /* Destination is an array. */ - case CCX(A, A): - goto err_nyi; - - /* Destination is a struct/union. */ - case CCX(S, S): - goto err_nyi; - - default: - err_conv: - err_nyi: - lj_trace_err(J, LJ_TRERR_NYICONV); - break; - } - return 0; -} - -/* -- Convert C type to TValue (load) ------------------------------------- */ - -static TRef crec_tv_ct(jit_State *J, CType *s, CTypeID sid, TRef sp) -{ - CTState *cts = ctype_ctsG(J2G(J)); - CTInfo sinfo = s->info; - lua_assert(!ctype_isenum(sinfo)); - if (ctype_isnum(sinfo)) { - IRType t = crec_ct2irt(s); - TRef tr; - if (t == IRT_CDATA) - goto err_nyi; /* NYI: copyval of >64 bit integers. */ - tr = emitir(IRT(IR_XLOAD, t), sp, 0); - if (t == IRT_FLOAT || t == IRT_U32) { /* Keep uint32_t/float as numbers. */ - return emitconv(tr, IRT_NUM, t, 0); - } else if (t == IRT_I64 || t == IRT_U64) { /* Box 64 bit integer. */ - sp = tr; - lj_needsplit(J); - } else if ((sinfo & CTF_BOOL)) { - /* Assume not equal to zero. Fixup and emit pending guard later. */ - lj_ir_set(J, IRTGI(IR_NE), tr, lj_ir_kint(J, 0)); - J->postproc = LJ_POST_FIXGUARD; - return TREF_TRUE; - } else { - return tr; - } - } else if (ctype_isptr(sinfo)) { - IRType t = (LJ_64 && s->size == 8) ? IRT_P64 : IRT_P32; - sp = emitir(IRT(IR_XLOAD, t), sp, 0); - } else if (ctype_isrefarray(sinfo) || ctype_isstruct(sinfo)) { - cts->L = J->L; - sid = lj_ctype_intern(cts, CTINFO_REF(sid), CTSIZE_PTR); /* Create ref. */ - } else if (ctype_iscomplex(sinfo)) { /* Unbox/box complex. */ - IRType t = s->size == 2*sizeof(double) ? IRT_NUM : IRT_FLOAT; - ptrdiff_t esz = (ptrdiff_t)(s->size >> 1); - TRef ptr, tr1, tr2, dp; - dp = emitir(IRTG(IR_CNEW, IRT_CDATA), lj_ir_kint(J, sid), TREF_NIL); - tr1 = emitir(IRT(IR_XLOAD, t), sp, 0); - ptr = emitir(IRT(IR_ADD, IRT_PTR), sp, lj_ir_kintp(J, esz)); - tr2 = emitir(IRT(IR_XLOAD, t), ptr, 0); - ptr = emitir(IRT(IR_ADD, IRT_PTR), dp, lj_ir_kintp(J, sizeof(GCcdata))); - emitir(IRT(IR_XSTORE, t), ptr, tr1); - ptr = emitir(IRT(IR_ADD, IRT_PTR), dp, lj_ir_kintp(J, sizeof(GCcdata)+esz)); - emitir(IRT(IR_XSTORE, t), ptr, tr2); - return dp; - } else { - /* NYI: copyval of vectors. */ - err_nyi: - lj_trace_err(J, LJ_TRERR_NYICONV); - } - /* Box pointer, ref or 64 bit integer. */ - return emitir(IRTG(IR_CNEWI, IRT_CDATA), lj_ir_kint(J, sid), sp); -} - -/* -- Convert TValue to C type (store) ------------------------------------ */ - -static TRef crec_ct_tv(jit_State *J, CType *d, TRef dp, TRef sp, cTValue *sval) -{ - CTState *cts = ctype_ctsG(J2G(J)); - CTypeID sid = CTID_P_VOID; - void *svisnz = 0; - CType *s; - if (LJ_LIKELY(tref_isinteger(sp))) { - sid = CTID_INT32; - svisnz = (void *)(intptr_t)(tvisint(sval)?(intV(sval)!=0):!tviszero(sval)); - } else if (tref_isnum(sp)) { - sid = CTID_DOUBLE; - svisnz = (void *)(intptr_t)(tvisint(sval)?(intV(sval)!=0):!tviszero(sval)); - } else if (tref_isbool(sp)) { - sp = lj_ir_kint(J, tref_istrue(sp) ? 1 : 0); - sid = CTID_BOOL; - } else if (tref_isnil(sp)) { - sp = lj_ir_kptr(J, NULL); - } else if (tref_isudata(sp)) { - sp = emitir(IRT(IR_ADD, IRT_P32), sp, lj_ir_kint(J, sizeof(GCudata))); - } else if (tref_isstr(sp)) { - if (ctype_isenum(d->info)) { /* Match string against enum constant. */ - GCstr *str = strV(sval); - CTSize ofs; - CType *cct = lj_ctype_getfield(cts, d, str, &ofs); - /* Specialize to the name of the enum constant. */ - emitir(IRTG(IR_EQ, IRT_STR), sp, lj_ir_kstr(J, str)); - if (cct && ctype_isconstval(cct->info)) { - lua_assert(ctype_child(cts, cct)->size == 4); - svisnz = (void *)(intptr_t)(cct->size != 0); - sp = lj_ir_kint(J, (int32_t)cct->size); - sid = ctype_cid(cct->info); - } /* else: interpreter will throw. */ - } else if (ctype_isrefarray(d->info)) { /* Copy string to array. */ - lj_trace_err(J, LJ_TRERR_BADTYPE); /* NYI */ - } else { /* Otherwise pass the string data as a const char[]. */ - sp = emitir(IRT(IR_STRREF, IRT_P32), sp, lj_ir_kint(J, 0)); - sid = CTID_A_CCHAR; - } - } else { /* NYI: tref_istab(sp), tref_islightud(sp). */ - sid = argv2cdata(J, sp, sval)->typeid; - s = ctype_raw(cts, sid); - svisnz = cdataptr(cdataV(sval)); - if (ctype_isptr(s->info)) { - IRType t = (LJ_64 && s->size == 8) ? IRT_P64 : IRT_P32; - sp = emitir(IRT(IR_FLOAD, t), sp, IRFL_CDATA_PTR); - if (ctype_isref(s->info)) { - svisnz = *(void **)svisnz; - s = ctype_rawchild(cts, s); - } else { - goto doconv; /* The pointer value was loaded, don't load number. */ - } - } else if (ctype_isinteger(s->info) && s->size == 8) { - IRType t = (s->info & CTF_UNSIGNED) ? IRT_U64 : IRT_I64; - sp = emitir(IRT(IR_FLOAD, t), sp, IRFL_CDATA_INT64); - lj_needsplit(J); - goto doconv; - } else { - sp = emitir(IRT(IR_ADD, IRT_PTR), sp, lj_ir_kintp(J, sizeof(GCcdata))); - } - if (ctype_isenum(s->info)) s = ctype_child(cts, s); - if (ctype_isnum(s->info)) { /* Load number value. */ - IRType t = crec_ct2irt(s); - if (t != IRT_CDATA) { - sp = emitir(IRT(IR_XLOAD, t), sp, 0); - if (t == IRT_I64 || t == IRT_U64) lj_needsplit(J); - } - } - goto doconv; - } - s = ctype_get(cts, sid); -doconv: - if (ctype_isenum(d->info)) d = ctype_child(cts, d); - return crec_ct_ct(J, d, s, dp, sp, svisnz); -} - -/* -- C data metamethods -------------------------------------------------- */ - -/* This would be rather difficult in FOLD, so do it here: -** (base+k)+(idx*sz)+ofs ==> (base+idx*sz)+(ofs+k) -** (base+(idx+k)*sz)+ofs ==> (base+idx*sz)+(ofs+k*sz) -*/ -static TRef crec_reassoc_ofs(jit_State *J, TRef tr, ptrdiff_t *ofsp, MSize sz) -{ - IRIns *ir = IR(tref_ref(tr)); - if (LJ_LIKELY(J->flags & JIT_F_OPT_FOLD) && irref_isk(ir->op2) && - (ir->o == IR_ADD || ir->o == IR_ADDOV || ir->o == IR_SUBOV)) { - IRIns *irk = IR(ir->op2); - ptrdiff_t k; - if (LJ_64 && irk->o == IR_KINT64) - k = (ptrdiff_t)ir_kint64(irk)->u64 * sz; - else - k = (ptrdiff_t)irk->i * sz; - if (ir->o == IR_SUBOV) *ofsp -= k; else *ofsp += k; - tr = ir->op1; /* Not a TRef, but the caller doesn't care. */ - } - return tr; -} - -/* Record ctype __index/__newindex metamethods. */ -static void crec_index_meta(jit_State *J, CTState *cts, CType *ct, - RecordFFData *rd) -{ - CTypeID id = ctype_typeid(cts, ct); - cTValue *tv = lj_ctype_meta(cts, id, rd->data ? MM_newindex : MM_index); - if (!tv) - lj_trace_err(J, LJ_TRERR_BADTYPE); - if (tvisfunc(tv)) { - J->base[-1] = lj_ir_kfunc(J, funcV(tv)) | TREF_FRAME; - rd->nres = -1; /* Pending tailcall. */ - } else if (rd->data == 0 && tvistab(tv) && tref_isstr(J->base[1])) { - /* Specialize to result of __index lookup. */ - cTValue *o = lj_tab_get(J->L, tabV(tv), &rd->argv[1]); - IRType t = itype2irt(o); - if (tvisgcv(o)) - J->base[0] = lj_ir_kgc(J, gcV(o), t); - else if (tvisint(o)) - J->base[0] = lj_ir_kint(J, intV(o)); - else if (tvisnum(o)) - J->base[0] = lj_ir_knumint(J, numV(o)); - else if (tvisbool(o)) - J->base[0] = TREF_PRI(t); - else - lj_trace_err(J, LJ_TRERR_BADTYPE); - /* Always specialize to the key. */ - emitir(IRTG(IR_EQ, IRT_STR), J->base[1], lj_ir_kstr(J, strV(&rd->argv[1]))); - } else { - /* NYI: resolving of non-function metamethods. */ - /* NYI: non-string keys for __index table. */ - /* NYI: stores to __newindex table. */ - lj_trace_err(J, LJ_TRERR_BADTYPE); - } -} - -void LJ_FASTCALL recff_cdata_index(jit_State *J, RecordFFData *rd) -{ - TRef idx, ptr = J->base[0]; - ptrdiff_t ofs = sizeof(GCcdata); - GCcdata *cd = argv2cdata(J, ptr, &rd->argv[0]); - CTState *cts = ctype_ctsG(J2G(J)); - CType *ct = ctype_raw(cts, cd->typeid); - CTypeID sid = 0; - - /* Resolve pointer or reference for cdata object. */ - if (ctype_isptr(ct->info)) { - IRType t = (LJ_64 && ct->size == 8) ? IRT_P64 : IRT_P32; - if (ctype_isref(ct->info)) ct = ctype_rawchild(cts, ct); - ptr = emitir(IRT(IR_FLOAD, t), ptr, IRFL_CDATA_PTR); - ofs = 0; - ptr = crec_reassoc_ofs(J, ptr, &ofs, 1); - } - -again: - idx = J->base[1]; - if (tref_isnumber(idx)) { - idx = lj_opt_narrow_cindex(J, idx); - if (ctype_ispointer(ct->info)) { - CTSize sz; - integer_key: - if ((ct->info & CTF_COMPLEX)) - idx = emitir(IRT(IR_BAND, IRT_INTP), idx, lj_ir_kintp(J, 1)); - sz = lj_ctype_size(cts, (sid = ctype_cid(ct->info))); - idx = crec_reassoc_ofs(J, idx, &ofs, sz); -#if LJ_TARGET_ARM || LJ_TARGET_PPC - /* Hoist base add to allow fusion of index/shift into operands. */ - if (LJ_LIKELY(J->flags & JIT_F_OPT_LOOP) && ofs -#if LJ_TARGET_ARM - && (sz == 1 || sz == 4) -#endif - ) { - ptr = emitir(IRT(IR_ADD, IRT_PTR), ptr, lj_ir_kintp(J, ofs)); - ofs = 0; - } -#endif - idx = emitir(IRT(IR_MUL, IRT_INTP), idx, lj_ir_kintp(J, sz)); - ptr = emitir(IRT(IR_ADD, IRT_PTR), idx, ptr); - } - } else if (tref_iscdata(idx)) { - GCcdata *cdk = cdataV(&rd->argv[1]); - CType *ctk = ctype_raw(cts, cdk->typeid); - IRType t; - if (ctype_isenum(ctk->info)) ctk = ctype_child(cts, ctk); - if (ctype_ispointer(ct->info) && - ctype_isinteger(ctk->info) && (t = crec_ct2irt(ctk)) != IRT_CDATA) { - if (ctk->size == 8) { - idx = emitir(IRT(IR_FLOAD, t), idx, IRFL_CDATA_INT64); - } else { - idx = emitir(IRT(IR_ADD, IRT_PTR), idx, - lj_ir_kintp(J, sizeof(GCcdata))); - idx = emitir(IRT(IR_XLOAD, t), idx, 0); - } - if (LJ_64 && ctk->size < sizeof(intptr_t) && !(ctk->info & CTF_UNSIGNED)) - idx = emitconv(idx, IRT_INTP, IRT_INT, IRCONV_SEXT); - if (!LJ_64 && ctk->size > sizeof(intptr_t)) { - idx = emitconv(idx, IRT_INTP, t, 0); - lj_needsplit(J); - } - goto integer_key; - } - } else if (tref_isstr(idx)) { - GCstr *name = strV(&rd->argv[1]); - if (cd->typeid == CTID_CTYPEID) - ct = ctype_raw(cts, crec_constructor(J, cd, ptr)); - if (ctype_isstruct(ct->info)) { - CTSize fofs; - CType *fct; - fct = lj_ctype_getfield(cts, ct, name, &fofs); - if (fct) { - /* Always specialize to the field name. */ - emitir(IRTG(IR_EQ, IRT_STR), idx, lj_ir_kstr(J, name)); - if (ctype_isconstval(fct->info)) { - if (fct->size >= 0x80000000u && - (ctype_child(cts, fct)->info & CTF_UNSIGNED)) { - J->base[0] = lj_ir_knum(J, (lua_Number)(uint32_t)fct->size); - return; - } - J->base[0] = lj_ir_kint(J, (int32_t)fct->size); - return; /* Interpreter will throw for newindex. */ - } else if (ctype_isbitfield(fct->info)) { - lj_trace_err(J, LJ_TRERR_NYICONV); - } else { - lua_assert(ctype_isfield(fct->info)); - sid = ctype_cid(fct->info); - } - ofs += (ptrdiff_t)fofs; - } - } else if (ctype_iscomplex(ct->info)) { - if (name->len == 2 && - ((strdata(name)[0] == 'r' && strdata(name)[1] == 'e') || - (strdata(name)[0] == 'i' && strdata(name)[1] == 'm'))) { - /* Always specialize to the field name. */ - emitir(IRTG(IR_EQ, IRT_STR), idx, lj_ir_kstr(J, name)); - if (strdata(name)[0] == 'i') ofs += (ct->size >> 1); - sid = ctype_cid(ct->info); - } - } - } - if (!sid) { - if (ctype_isptr(ct->info)) { /* Automatically perform '->'. */ - CType *cct = ctype_rawchild(cts, ct); - if (ctype_isstruct(cct->info)) { - ct = cct; - if (tref_isstr(idx)) goto again; - } - } - crec_index_meta(J, cts, ct, rd); - return; - } - - if (ofs) - ptr = emitir(IRT(IR_ADD, IRT_PTR), ptr, lj_ir_kintp(J, ofs)); - - /* Resolve reference for field. */ - ct = ctype_get(cts, sid); - if (ctype_isref(ct->info)) - ptr = emitir(IRT(IR_XLOAD, IRT_PTR), ptr, 0); - - while (ctype_isattrib(ct->info)) - ct = ctype_child(cts, ct); /* Skip attributes. */ - - if (rd->data == 0) { /* __index metamethod. */ - if (ctype_isenum(ct->info)) ct = ctype_child(cts, ct); /* Skip enums. */ - J->base[0] = crec_tv_ct(J, ct, sid, ptr); - } else { /* __newindex metamethod. */ - rd->nres = 0; - J->needsnap = 1; - crec_ct_tv(J, ct, ptr, J->base[2], &rd->argv[2]); - } -} - -/* Record cdata allocation. */ -static void crec_alloc(jit_State *J, RecordFFData *rd, CTypeID id) -{ - CTState *cts = ctype_ctsG(J2G(J)); - CTSize sz; - CTInfo info = lj_ctype_info(cts, id, &sz); - CType *d = ctype_raw(cts, id); - TRef trid; - if (sz == 0 || sz > 64 || (info & CTF_VLA) || ctype_align(info) > CT_MEMALIGN) - lj_trace_err(J, LJ_TRERR_NYICONV); /* NYI: large/special allocations. */ - trid = lj_ir_kint(J, id); - /* Use special instruction to box pointer or 64 bit integer. */ - if (ctype_isptr(info) || (ctype_isinteger(info) && sz == 8)) { - TRef sp = J->base[1] ? crec_ct_tv(J, d, 0, J->base[1], &rd->argv[1]) : - ctype_isptr(info) ? lj_ir_kptr(J, NULL) : - (lj_needsplit(J), lj_ir_kint64(J, 0)); - J->base[0] = emitir(IRTG(IR_CNEWI, IRT_CDATA), trid, sp); - } else { - TRef trcd = emitir(IRTG(IR_CNEW, IRT_CDATA), trid, TREF_NIL); - cTValue *fin; - J->base[0] = trcd; - if (J->base[1] && !J->base[2] && !lj_cconv_multi_init(d, &rd->argv[1])) { - goto single_init; - } else if (ctype_isarray(d->info)) { - CType *dc = ctype_rawchild(cts, d); /* Array element type. */ - CTSize ofs, esize = dc->size; - TRef sp = 0; - TValue tv; - TValue *sval = &tv; - MSize i; - tv.u64 = 0; - if (!(ctype_isnum(dc->info) || ctype_isptr(dc->info))) - lj_trace_err(J, LJ_TRERR_NYICONV); /* NYI: init array of aggregates. */ - for (i = 1, ofs = 0; ofs < sz; ofs += esize) { - TRef dp = emitir(IRT(IR_ADD, IRT_PTR), trcd, - lj_ir_kintp(J, ofs + sizeof(GCcdata))); - if (J->base[i]) { - sp = J->base[i]; - sval = &rd->argv[i]; - i++; - } else if (i != 2) { - sp = ctype_isnum(dc->info) ? lj_ir_kint(J, 0) : TREF_NIL; - } - crec_ct_tv(J, dc, dp, sp, sval); - } - } else if (ctype_isstruct(d->info)) { - CTypeID fid = d->sib; - MSize i = 1; - while (fid) { - CType *df = ctype_get(cts, fid); - fid = df->sib; - if (ctype_isfield(df->info)) { - CType *dc; - TRef sp, dp; - TValue tv; - TValue *sval = &tv; - setintV(&tv, 0); - if (!gcref(df->name)) continue; /* Ignore unnamed fields. */ - dc = ctype_rawchild(cts, df); /* Field type. */ - if (!(ctype_isnum(dc->info) || ctype_isptr(dc->info))) - lj_trace_err(J, LJ_TRERR_NYICONV); /* NYI: init aggregates. */ - if (J->base[i]) { - sp = J->base[i]; - sval = &rd->argv[i]; - i++; - } else { - sp = ctype_isnum(dc->info) ? lj_ir_kint(J, 0) : TREF_NIL; - } - dp = emitir(IRT(IR_ADD, IRT_PTR), trcd, - lj_ir_kintp(J, df->size + sizeof(GCcdata))); - crec_ct_tv(J, dc, dp, sp, sval); - } else if (!ctype_isconstval(df->info)) { - /* NYI: init bitfields and sub-structures. */ - lj_trace_err(J, LJ_TRERR_NYICONV); - } - } - } else { - TRef dp; - single_init: - dp = emitir(IRT(IR_ADD, IRT_PTR), trcd, lj_ir_kintp(J, sizeof(GCcdata))); - if (J->base[1]) { - crec_ct_tv(J, d, dp, J->base[1], &rd->argv[1]); - } else { - TValue tv; - tv.u64 = 0; - crec_ct_tv(J, d, dp, lj_ir_kint(J, 0), &tv); - } - } - /* Handle __gc metamethod. */ - fin = lj_ctype_meta(cts, id, MM_gc); - if (fin) { - TRef trlo = lj_ir_call(J, IRCALL_lj_cdata_setfin, trcd); - TRef trhi = emitir(IRT(IR_ADD, IRT_P32), trlo, lj_ir_kint(J, 4)); - if (LJ_BE) { TRef tmp = trlo; trlo = trhi; trhi = tmp; } - if (tvisfunc(fin)) { - emitir(IRT(IR_XSTORE, IRT_P32), trlo, lj_ir_kfunc(J, funcV(fin))); - emitir(IRTI(IR_XSTORE), trhi, lj_ir_kint(J, LJ_TFUNC)); - } else if (tviscdata(fin)) { - emitir(IRT(IR_XSTORE, IRT_P32), trlo, - lj_ir_kgc(J, obj2gco(cdataV(fin)), IRT_CDATA)); - emitir(IRTI(IR_XSTORE), trhi, lj_ir_kint(J, LJ_TCDATA)); - } else { - lj_trace_err(J, LJ_TRERR_BADTYPE); - } - J->needsnap = 1; - } - } -} - -/* Record argument conversions. */ -static TRef crec_call_args(jit_State *J, RecordFFData *rd, - CTState *cts, CType *ct) -{ - TRef args[CCI_NARGS_MAX]; - CTypeID fid; - MSize i, n; - TRef tr, *base; - cTValue *o; -#if LJ_TARGET_X86 -#if LJ_ABI_WIN - TRef *arg0 = NULL, *arg1 = NULL; -#endif - int ngpr = 0; - if (ctype_cconv(ct->info) == CTCC_THISCALL) - ngpr = 1; - else if (ctype_cconv(ct->info) == CTCC_FASTCALL) - ngpr = 2; -#endif - - /* Skip initial attributes. */ - fid = ct->sib; - while (fid) { - CType *ctf = ctype_get(cts, fid); - if (!ctype_isattrib(ctf->info)) break; - fid = ctf->sib; - } - args[0] = TREF_NIL; - for (n = 0, base = J->base+1, o = rd->argv+1; *base; n++, base++, o++) { - CTypeID did; - CType *d; - - if (n >= CCI_NARGS_MAX) - lj_trace_err(J, LJ_TRERR_NYICALL); - - if (fid) { /* Get argument type from field. */ - CType *ctf = ctype_get(cts, fid); - fid = ctf->sib; - lua_assert(ctype_isfield(ctf->info)); - did = ctype_cid(ctf->info); - } else { - if (!(ct->info & CTF_VARARG)) - lj_trace_err(J, LJ_TRERR_NYICALL); /* Too many arguments. */ - did = lj_ccall_ctid_vararg(cts, o); /* Infer vararg type. */ - } - d = ctype_raw(cts, did); - if (!(ctype_isnum(d->info) || ctype_isptr(d->info) || - ctype_isenum(d->info))) - lj_trace_err(J, LJ_TRERR_NYICALL); - tr = crec_ct_tv(J, d, 0, *base, o); - if (ctype_isinteger_or_bool(d->info)) { - if (d->size < 4) { - if ((d->info & CTF_UNSIGNED)) - tr = emitconv(tr, IRT_INT, d->size==1 ? IRT_U8 : IRT_U16, 0); - else - tr = emitconv(tr, IRT_INT, d->size==1 ? IRT_I8 : IRT_I16,IRCONV_SEXT); - } - } -#if LJ_TARGET_X86 - /* 64 bit args must not end up in registers for fastcall/thiscall. */ -#if LJ_ABI_WIN - if (!ctype_isfp(d->info)) { - /* Sigh, the Windows/x86 ABI allows reordering across 64 bit args. */ - if (tref_typerange(tr, IRT_I64, IRT_U64)) { - if (ngpr) { - arg0 = &args[n]; args[n++] = TREF_NIL; ngpr--; - if (ngpr) { - arg1 = &args[n]; args[n++] = TREF_NIL; ngpr--; - } - } - } else { - if (arg0) { *arg0 = tr; arg0 = NULL; n--; continue; } - if (arg1) { *arg1 = tr; arg1 = NULL; n--; continue; } - if (ngpr) ngpr--; - } - } -#else - if (!ctype_isfp(d->info) && ngpr) { - if (tref_typerange(tr, IRT_I64, IRT_U64)) { - /* No reordering for other x86 ABIs. Simply add alignment args. */ - do { args[n++] = TREF_NIL; } while (--ngpr); - } else { - ngpr--; - } - } -#endif -#endif - args[n] = tr; - } - tr = args[0]; - for (i = 1; i < n; i++) - tr = emitir(IRT(IR_CARG, IRT_NIL), tr, args[i]); - return tr; -} - -/* Create a snapshot for the caller, simulating a 'false' return value. */ -static void crec_snap_caller(jit_State *J) -{ - lua_State *L = J->L; - TValue *base = L->base, *top = L->top; - const BCIns *pc = J->pc; - TRef ftr = J->base[-1]; - ptrdiff_t delta; - if (!frame_islua(base-1)) - lj_trace_err(J, LJ_TRERR_NYICALL); - J->pc = frame_pc(base-1); delta = 1+bc_a(J->pc[-1]); - L->top = base; L->base = base - delta; - J->base[-1] = TREF_FALSE; - J->base -= delta; J->baseslot -= (BCReg)delta; - J->maxslot = (BCReg)delta; J->framedepth--; - lj_snap_add(J); - L->base = base; L->top = top; - J->framedepth++; J->maxslot = 1; - J->base += delta; J->baseslot += (BCReg)delta; - J->base[-1] = ftr; J->pc = pc; -} - -/* Record function call. */ -static int crec_call(jit_State *J, RecordFFData *rd, GCcdata *cd) -{ - CTState *cts = ctype_ctsG(J2G(J)); - CType *ct = ctype_raw(cts, cd->typeid); - IRType tp = IRT_PTR; - if (ctype_isptr(ct->info)) { - tp = (LJ_64 && ct->size == 8) ? IRT_P64 : IRT_P32; - ct = ctype_rawchild(cts, ct); - } - if (ctype_isfunc(ct->info)) { - TRef func = emitir(IRT(IR_FLOAD, tp), J->base[0], IRFL_CDATA_PTR); - CType *ctr = ctype_rawchild(cts, ct); - IRType t = crec_ct2irt(ctr); - TRef tr; - TValue tv; - /* Check for blacklisted C functions that might call a callback. */ - setlightudV(&tv, - cdata_getptr(cdataptr(cd), (LJ_64 && tp == IRT_P64) ? 8 : 4)); - if (tvistrue(lj_tab_get(J->L, cts->miscmap, &tv))) - lj_trace_err(J, LJ_TRERR_BLACKL); - if (ctype_isvoid(ctr->info)) { - t = IRT_NIL; - rd->nres = 0; - } else if (ctype_isenum(ctr->info)) { - ctr = ctype_child(cts, ctr); - } - if (!(ctype_isnum(ctr->info) || ctype_isptr(ctr->info) || - ctype_isvoid(ctr->info)) || t == IRT_CDATA) - lj_trace_err(J, LJ_TRERR_NYICALL); - if ((ct->info & CTF_VARARG) -#if LJ_TARGET_X86 - || ctype_cconv(ct->info) != CTCC_CDECL -#endif - ) - func = emitir(IRT(IR_CARG, IRT_NIL), func, - lj_ir_kint(J, ctype_typeid(cts, ct))); - tr = emitir(IRT(IR_CALLXS, t), crec_call_args(J, rd, cts, ct), func); - if (ctype_isbool(ctr->info)) { - crec_snap_caller(J); - lj_ir_set(J, IRTGI(IR_NE), tr, lj_ir_kint(J, 0)); - J->postproc = LJ_POST_FIXGUARDSNAP; - tr = TREF_TRUE; - } else if (t == IRT_FLOAT || t == IRT_U32) { - tr = emitconv(tr, IRT_NUM, t, 0); - } else if (t == IRT_I8 || t == IRT_I16) { - tr = emitconv(tr, IRT_INT, t, IRCONV_SEXT); - } else if (t == IRT_U8 || t == IRT_U16) { - tr = emitconv(tr, IRT_INT, t, 0); - } else if (t == IRT_PTR || (LJ_64 && t == IRT_P32) || - (t == IRT_I64 || t == IRT_U64)) { - TRef trid = lj_ir_kint(J, ctype_cid(ct->info)); - tr = emitir(IRTG(IR_CNEWI, IRT_CDATA), trid, tr); - if (t == IRT_I64 || t == IRT_U64) lj_needsplit(J); - } - J->base[0] = tr; - J->needsnap = 1; - return 1; - } - return 0; -} - -/* Record ctype call metamethod. */ -static void crec_call_meta(jit_State *J, RecordFFData *rd, CTypeID id) -{ - CTState *cts = ctype_ctsG(J2G(J)); - CType *ct = ctype_raw(cts, id); - cTValue *tv; - if (ctype_isptr(ct->info)) id = ctype_cid(ct->info); - tv = lj_ctype_meta(cts, id, MM_call); - if (tv && tvisfunc(tv)) { - J->base[-1] = lj_ir_kfunc(J, funcV(tv)) | TREF_FRAME; - rd->nres = -1; /* Pending tailcall. */ - } else { - /* NYI: non-function metamethods. */ - lj_trace_err(J, LJ_TRERR_BADTYPE); - } -} - -void LJ_FASTCALL recff_cdata_call(jit_State *J, RecordFFData *rd) -{ - GCcdata *cd = argv2cdata(J, J->base[0], &rd->argv[0]); - if (cd->typeid == CTID_CTYPEID) - crec_alloc(J, rd, crec_constructor(J, cd, J->base[0])); - else if (!crec_call(J, rd, cd)) - crec_call_meta(J, rd, cd->typeid); -} - -static TRef crec_arith_int64(jit_State *J, TRef *sp, CType **s, MMS mm) -{ - if (ctype_isnum(s[0]->info) && ctype_isnum(s[1]->info)) { - IRType dt; - CTypeID id; - TRef tr; - MSize i; - lj_needsplit(J); - if (((s[0]->info & CTF_UNSIGNED) && s[0]->size == 8) || - ((s[1]->info & CTF_UNSIGNED) && s[1]->size == 8)) { - dt = IRT_U64; id = CTID_UINT64; - } else { - dt = IRT_I64; id = CTID_INT64; - } - for (i = 0; i < 2; i++) { - IRType st = tref_type(sp[i]); - if (st == IRT_NUM || st == IRT_FLOAT) - sp[i] = emitconv(sp[i], dt, st, IRCONV_TRUNC|IRCONV_ANY); - else if (!(st == IRT_I64 || st == IRT_U64)) - sp[i] = emitconv(sp[i], dt, IRT_INT, - ((st - IRT_I8) & 1) ? 0 : IRCONV_SEXT); - } - if (mm < MM_add) { - /* Assume true comparison. Fixup and emit pending guard later. */ - IROp op; - if (mm == MM_eq) { - op = IR_EQ; - } else { - op = mm == MM_lt ? IR_LT : IR_LE; - if (dt == IRT_U64) - op += (IR_ULT-IR_LT); - } - lj_ir_set(J, IRTG(op, dt), sp[0], sp[1]); - J->postproc = LJ_POST_FIXGUARD; - return TREF_TRUE; - } else { - tr = emitir(IRT(mm+(int)IR_ADD-(int)MM_add, dt), sp[0], sp[1]); - } - return emitir(IRTG(IR_CNEWI, IRT_CDATA), lj_ir_kint(J, id), tr); - } - return 0; -} - -static TRef crec_arith_ptr(jit_State *J, TRef *sp, CType **s, MMS mm) -{ - CTState *cts = ctype_ctsG(J2G(J)); - CType *ctp = s[0]; - if (ctype_isptr(ctp->info) || ctype_isrefarray(ctp->info)) { - if ((mm == MM_sub || mm == MM_eq || mm == MM_lt || mm == MM_le) && - (ctype_isptr(s[1]->info) || ctype_isrefarray(s[1]->info))) { - if (mm == MM_sub) { /* Pointer difference. */ - TRef tr; - CTSize sz = lj_ctype_size(cts, ctype_cid(ctp->info)); - if (sz == 0 || (sz & (sz-1)) != 0) - return 0; /* NYI: integer division. */ - tr = emitir(IRT(IR_SUB, IRT_PTR), sp[0], sp[1]); - tr = emitir(IRT(IR_BSAR, IRT_INTP), tr, lj_ir_kint(J, lj_fls(sz))); -#if LJ_64 - tr = emitconv(tr, IRT_NUM, IRT_INTP, 0); -#endif - return tr; - } else { /* Pointer comparison (unsigned). */ - /* Assume true comparison. Fixup and emit pending guard later. */ - IROp op = mm == MM_eq ? IR_EQ : mm == MM_lt ? IR_ULT : IR_ULE; - lj_ir_set(J, IRTG(op, IRT_PTR), sp[0], sp[1]); - J->postproc = LJ_POST_FIXGUARD; - return TREF_TRUE; - } - } - if (!((mm == MM_add || mm == MM_sub) && ctype_isnum(s[1]->info))) - return 0; - } else if (mm == MM_add && ctype_isnum(ctp->info) && - (ctype_isptr(s[1]->info) || ctype_isrefarray(s[1]->info))) { - TRef tr = sp[0]; sp[0] = sp[1]; sp[1] = tr; /* Swap pointer and index. */ - ctp = s[1]; - } else { - return 0; - } - { - TRef tr = sp[1]; - IRType t = tref_type(tr); - CTSize sz = lj_ctype_size(cts, ctype_cid(ctp->info)); - CTypeID id; -#if LJ_64 - if (t == IRT_NUM || t == IRT_FLOAT) - tr = emitconv(tr, IRT_INTP, t, IRCONV_TRUNC|IRCONV_ANY); - else if (!(t == IRT_I64 || t == IRT_U64)) - tr = emitconv(tr, IRT_INTP, IRT_INT, - ((t - IRT_I8) & 1) ? 0 : IRCONV_SEXT); -#else - if (!tref_typerange(sp[1], IRT_I8, IRT_U32)) { - tr = emitconv(tr, IRT_INTP, t, - (t == IRT_NUM || t == IRT_FLOAT) ? - IRCONV_TRUNC|IRCONV_ANY : 0); - } -#endif - tr = emitir(IRT(IR_MUL, IRT_INTP), tr, lj_ir_kintp(J, sz)); - tr = emitir(IRT(mm+(int)IR_ADD-(int)MM_add, IRT_PTR), sp[0], tr); - id = lj_ctype_intern(cts, CTINFO(CT_PTR, CTALIGN_PTR|ctype_cid(ctp->info)), - CTSIZE_PTR); - return emitir(IRTG(IR_CNEWI, IRT_CDATA), lj_ir_kint(J, id), tr); - } -} - -/* Record ctype arithmetic metamethods. */ -static void crec_arith_meta(jit_State *J, CTState *cts, RecordFFData *rd) -{ - cTValue *tv = NULL; - if (J->base[0]) { - if (tviscdata(&rd->argv[0])) - tv = lj_ctype_meta(cts, argv2cdata(J, J->base[0], &rd->argv[0])->typeid, - (MMS)rd->data); - if (!tv && J->base[1] && tviscdata(&rd->argv[1])) - tv = lj_ctype_meta(cts, argv2cdata(J, J->base[1], &rd->argv[1])->typeid, - (MMS)rd->data); - } - if (tv && tvisfunc(tv)) { - J->base[-1] = lj_ir_kfunc(J, funcV(tv)) | TREF_FRAME; - rd->nres = -1; /* Pending tailcall. */ - } else { - /* NYI: non-function metamethods. */ - lj_trace_err(J, LJ_TRERR_BADTYPE); - } -} - -void LJ_FASTCALL recff_cdata_arith(jit_State *J, RecordFFData *rd) -{ - CTState *cts = ctype_ctsG(J2G(J)); - TRef sp[2]; - CType *s[2]; - MSize i; - for (i = 0; i < 2; i++) { - TRef tr = J->base[i]; - CType *ct = ctype_get(cts, CTID_DOUBLE); - if (!tr) { - goto trymeta; - } else if (tref_iscdata(tr)) { - CTypeID id = argv2cdata(J, tr, &rd->argv[i])->typeid; - ct = ctype_raw(cts, id); - if (ctype_isptr(ct->info)) { /* Resolve pointer or reference. */ - IRType t = (LJ_64 && ct->size == 8) ? IRT_P64 : IRT_P32; - if (ctype_isref(ct->info)) ct = ctype_rawchild(cts, ct); - tr = emitir(IRT(IR_FLOAD, t), tr, IRFL_CDATA_PTR); - } else if (ctype_isinteger(ct->info) && ct->size == 8) { - IRType t = (ct->info & CTF_UNSIGNED) ? IRT_U64 : IRT_I64; - tr = emitir(IRT(IR_FLOAD, t), tr, IRFL_CDATA_INT64); - lj_needsplit(J); - goto ok; - } else if (ctype_isfunc(ct->info)) { - tr = emitir(IRT(IR_FLOAD, IRT_PTR), tr, IRFL_CDATA_PTR); - ct = ctype_get(cts, - lj_ctype_intern(cts, CTINFO(CT_PTR, CTALIGN_PTR|id), CTSIZE_PTR)); - } else { - tr = emitir(IRT(IR_ADD, IRT_PTR), tr, lj_ir_kintp(J, sizeof(GCcdata))); - } - if (ctype_isenum(ct->info)) ct = ctype_child(cts, ct); - if (ctype_isnum(ct->info)) { - IRType t = crec_ct2irt(ct); - if (t == IRT_CDATA) goto trymeta; - if (t == IRT_I64 || t == IRT_U64) lj_needsplit(J); - tr = emitir(IRT(IR_XLOAD, t), tr, 0); - } else if (!(ctype_isptr(ct->info) || ctype_isrefarray(ct->info))) { - goto trymeta; - } - } else if (tref_isnil(tr)) { - tr = lj_ir_kptr(J, NULL); - ct = ctype_get(cts, CTID_P_VOID); - } else if (tref_isinteger(tr)) { - ct = ctype_get(cts, CTID_INT32); - } else if (!tref_isnum(tr)) { - goto trymeta; - } - ok: - s[i] = ct; - sp[i] = tr; - } - { - TRef tr; - if ((tr = crec_arith_int64(J, sp, s, (MMS)rd->data)) || - (tr = crec_arith_ptr(J, sp, s, (MMS)rd->data))) { - J->base[0] = tr; - /* Fixup cdata comparisons, too. Avoids some cdata escapes. */ - if (J->postproc == LJ_POST_FIXGUARD && frame_iscont(J->L->base-1) && - !irt_isguard(J->guardemit)) { - const BCIns *pc = frame_contpc(J->L->base-1) - 1; - if (bc_op(*pc) <= BC_ISNEP) { - setframe_pc(&J2G(J)->tmptv, pc); - J2G(J)->tmptv.u32.lo = ((tref_istrue(tr) ^ bc_op(*pc)) & 1); - J->postproc = LJ_POST_FIXCOMP; - } - } - } else { - trymeta: - crec_arith_meta(J, cts, rd); - } - } -} - -/* -- C library namespace metamethods ------------------------------------- */ - -void LJ_FASTCALL recff_clib_index(jit_State *J, RecordFFData *rd) -{ - CTState *cts = ctype_ctsG(J2G(J)); - if (tref_isudata(J->base[0]) && tref_isstr(J->base[1]) && - udataV(&rd->argv[0])->udtype == UDTYPE_FFI_CLIB) { - CLibrary *cl = (CLibrary *)uddata(udataV(&rd->argv[0])); - GCstr *name = strV(&rd->argv[1]); - CType *ct; - CTypeID id = lj_ctype_getname(cts, &ct, name, CLNS_INDEX); - cTValue *tv = lj_tab_getstr(cl->cache, name); - rd->nres = rd->data; - if (id && tv && !tvisnil(tv)) { - /* Specialize to the symbol name and make the result a constant. */ - emitir(IRTG(IR_EQ, IRT_STR), J->base[1], lj_ir_kstr(J, name)); - if (ctype_isconstval(ct->info)) { - if (ct->size >= 0x80000000u && - (ctype_child(cts, ct)->info & CTF_UNSIGNED)) - J->base[0] = lj_ir_knum(J, (lua_Number)(uint32_t)ct->size); - else - J->base[0] = lj_ir_kint(J, (int32_t)ct->size); - } else if (ctype_isextern(ct->info)) { - CTypeID sid = ctype_cid(ct->info); - void *sp = *(void **)cdataptr(cdataV(tv)); - TRef ptr; - ct = ctype_raw(cts, sid); - if (rd->data && ctype_isenum(ct->info)) ct = ctype_child(cts, ct); - if (LJ_64 && !checkptr32(sp)) - ptr = lj_ir_kintp(J, (uintptr_t)sp); - else - ptr = lj_ir_kptr(J, sp); - if (rd->data) { - J->base[0] = crec_tv_ct(J, ct, sid, ptr); - } else { - J->needsnap = 1; - crec_ct_tv(J, ct, ptr, J->base[2], &rd->argv[2]); - } - } else { - J->base[0] = lj_ir_kgc(J, obj2gco(cdataV(tv)), IRT_CDATA); - } - } else { - lj_trace_err(J, LJ_TRERR_NOCACHE); - } - } /* else: interpreter will throw. */ -} - -/* -- FFI library functions ----------------------------------------------- */ - -static TRef crec_toint(jit_State *J, CTState *cts, TRef sp, TValue *sval) -{ - return crec_ct_tv(J, ctype_get(cts, CTID_INT32), 0, sp, sval); -} - -void LJ_FASTCALL recff_ffi_new(jit_State *J, RecordFFData *rd) -{ - crec_alloc(J, rd, argv2ctype(J, J->base[0], &rd->argv[0])); -} - -void LJ_FASTCALL recff_ffi_errno(jit_State *J, RecordFFData *rd) -{ - UNUSED(rd); - if (J->base[0]) - lj_trace_err(J, LJ_TRERR_NYICALL); - J->base[0] = lj_ir_call(J, IRCALL_lj_vm_errno); -} - -void LJ_FASTCALL recff_ffi_string(jit_State *J, RecordFFData *rd) -{ - CTState *cts = ctype_ctsG(J2G(J)); - TRef tr = J->base[0]; - if (tr) { - TRef trlen = J->base[1]; - if (trlen) { - trlen = crec_toint(J, cts, trlen, &rd->argv[1]); - tr = crec_ct_tv(J, ctype_get(cts, CTID_P_CVOID), 0, tr, &rd->argv[0]); - } else { - tr = crec_ct_tv(J, ctype_get(cts, CTID_P_CCHAR), 0, tr, &rd->argv[0]); - trlen = lj_ir_call(J, IRCALL_strlen, tr); - } - J->base[0] = emitir(IRT(IR_XSNEW, IRT_STR), tr, trlen); - } /* else: interpreter will throw. */ -} - -void LJ_FASTCALL recff_ffi_copy(jit_State *J, RecordFFData *rd) -{ - CTState *cts = ctype_ctsG(J2G(J)); - TRef trdst = J->base[0], trsrc = J->base[1], trlen = J->base[2]; - if (trdst && trsrc && (trlen || tref_isstr(trsrc))) { - trdst = crec_ct_tv(J, ctype_get(cts, CTID_P_VOID), 0, trdst, &rd->argv[0]); - trsrc = crec_ct_tv(J, ctype_get(cts, CTID_P_CVOID), 0, trsrc, &rd->argv[1]); - if (trlen) { - trlen = crec_toint(J, cts, trlen, &rd->argv[2]); - } else { - trlen = emitir(IRTI(IR_FLOAD), J->base[1], IRFL_STR_LEN); - trlen = emitir(IRTI(IR_ADD), trlen, lj_ir_kint(J, 1)); - } - lj_ir_call(J, IRCALL_memcpy, trdst, trsrc, trlen); - emitir(IRT(IR_XBAR, IRT_NIL), 0, 0); - rd->nres = 0; - } /* else: interpreter will throw. */ -} - -void LJ_FASTCALL recff_ffi_fill(jit_State *J, RecordFFData *rd) -{ - CTState *cts = ctype_ctsG(J2G(J)); - TRef tr = J->base[0], trlen = J->base[1], trfill = J->base[2]; - if (tr && trlen) { - tr = crec_ct_tv(J, ctype_get(cts, CTID_P_VOID), 0, tr, &rd->argv[0]); - trlen = crec_toint(J, cts, trlen, &rd->argv[1]); - if (trfill) - trfill = crec_toint(J, cts, trfill, &rd->argv[2]); - else - trfill = lj_ir_kint(J, 0); - lj_ir_call(J, IRCALL_memset, tr, trfill, trlen); - emitir(IRT(IR_XBAR, IRT_NIL), 0, 0); - rd->nres = 0; - } /* else: interpreter will throw. */ -} - -void LJ_FASTCALL recff_ffi_istype(jit_State *J, RecordFFData *rd) -{ - argv2ctype(J, J->base[0], &rd->argv[0]); - if (tref_iscdata(J->base[1])) { - argv2ctype(J, J->base[1], &rd->argv[1]); - J->postproc = LJ_POST_FIXBOOL; - J->base[0] = TREF_TRUE; - } else { - J->base[0] = TREF_FALSE; - } -} - -void LJ_FASTCALL recff_ffi_abi(jit_State *J, RecordFFData *rd) -{ - if (tref_isstr(J->base[0])) { - /* Specialize to the ABI string to make the boolean result a constant. */ - emitir(IRTG(IR_EQ, IRT_STR), J->base[0], lj_ir_kstr(J, strV(&rd->argv[0]))); - J->postproc = LJ_POST_FIXBOOL; - J->base[0] = TREF_TRUE; - } /* else: interpreter will throw. */ -} - -/* -- Miscellaneous library functions ------------------------------------- */ - -void LJ_FASTCALL lj_crecord_tonumber(jit_State *J, RecordFFData *rd) -{ - CTState *cts = ctype_ctsG(J2G(J)); - CType *d, *ct = lj_ctype_rawref(cts, cdataV(&rd->argv[0])->typeid); - if (ctype_isenum(ct->info)) ct = ctype_child(cts, ct); - if (ctype_isnum(ct->info) || ctype_iscomplex(ct->info)) { - if (ctype_isinteger_or_bool(ct->info) && ct->size <= 4 && - !(ct->size == 4 && (ct->info & CTF_UNSIGNED))) - d = ctype_get(cts, CTID_INT32); - else - d = ctype_get(cts, CTID_DOUBLE); - J->base[0] = crec_ct_tv(J, d, 0, J->base[0], &rd->argv[0]); - } else { - J->base[0] = TREF_NIL; - } -} - -#undef IR -#undef emitir -#undef emitconv - -#endif diff --git a/libraries/luajit-2.0/src/lj_crecord.h b/libraries/luajit-2.0/src/lj_crecord.h deleted file mode 100644 index fb042c5..0000000 --- a/libraries/luajit-2.0/src/lj_crecord.h +++ /dev/null @@ -1,40 +0,0 @@ -/* -** Trace recorder for C data operations. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_CRECORD_H -#define _LJ_CRECORD_H - -#include "lj_obj.h" -#include "lj_jit.h" -#include "lj_ffrecord.h" - -#if LJ_HASJIT && LJ_HASFFI -LJ_FUNC void LJ_FASTCALL recff_cdata_index(jit_State *J, RecordFFData *rd); -LJ_FUNC void LJ_FASTCALL recff_cdata_call(jit_State *J, RecordFFData *rd); -LJ_FUNC void LJ_FASTCALL recff_cdata_arith(jit_State *J, RecordFFData *rd); -LJ_FUNC void LJ_FASTCALL recff_clib_index(jit_State *J, RecordFFData *rd); -LJ_FUNC void LJ_FASTCALL recff_ffi_new(jit_State *J, RecordFFData *rd); -LJ_FUNC void LJ_FASTCALL recff_ffi_errno(jit_State *J, RecordFFData *rd); -LJ_FUNC void LJ_FASTCALL recff_ffi_string(jit_State *J, RecordFFData *rd); -LJ_FUNC void LJ_FASTCALL recff_ffi_copy(jit_State *J, RecordFFData *rd); -LJ_FUNC void LJ_FASTCALL recff_ffi_fill(jit_State *J, RecordFFData *rd); -LJ_FUNC void LJ_FASTCALL recff_ffi_istype(jit_State *J, RecordFFData *rd); -LJ_FUNC void LJ_FASTCALL recff_ffi_abi(jit_State *J, RecordFFData *rd); -LJ_FUNC void LJ_FASTCALL lj_crecord_tonumber(jit_State *J, RecordFFData *rd); -#else -#define recff_cdata_index recff_nyi -#define recff_cdata_call recff_nyi -#define recff_cdata_arith recff_nyi -#define recff_clib_index recff_nyi -#define recff_ffi_new recff_nyi -#define recff_ffi_errno recff_nyi -#define recff_ffi_string recff_nyi -#define recff_ffi_copy recff_nyi -#define recff_ffi_fill recff_nyi -#define recff_ffi_istype recff_nyi -#define recff_ffi_abi recff_nyi -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_ctype.c b/libraries/luajit-2.0/src/lj_ctype.c deleted file mode 100644 index 7187d6f..0000000 --- a/libraries/luajit-2.0/src/lj_ctype.c +++ /dev/null @@ -1,607 +0,0 @@ -/* -** C type management. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include "lj_obj.h" - -#if LJ_HASFFI - -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_ctype.h" -#include "lj_ccallback.h" - -/* -- C type definitions -------------------------------------------------- */ - -/* Predefined typedefs. */ -#define CTTDDEF(_) \ - /* Vararg handling. */ \ - _("va_list", P_VOID) \ - _("__builtin_va_list", P_VOID) \ - _("__gnuc_va_list", P_VOID) \ - /* From stddef.h. */ \ - _("ptrdiff_t", INT_PSZ) \ - _("size_t", UINT_PSZ) \ - _("wchar_t", WCHAR) \ - /* Subset of stdint.h. */ \ - _("int8_t", INT8) \ - _("int16_t", INT16) \ - _("int32_t", INT32) \ - _("int64_t", INT64) \ - _("uint8_t", UINT8) \ - _("uint16_t", UINT16) \ - _("uint32_t", UINT32) \ - _("uint64_t", UINT64) \ - _("intptr_t", INT_PSZ) \ - _("uintptr_t", UINT_PSZ) \ - /* End of typedef list. */ - -/* Keywords (only the ones we actually care for). */ -#define CTKWDEF(_) \ - /* Type specifiers. */ \ - _("void", -1, CTOK_VOID) \ - _("_Bool", 1, CTOK_BOOL) \ - _("bool", 1, CTOK_BOOL) \ - _("char", 1, CTOK_CHAR) \ - _("int", 4, CTOK_INT) \ - _("__int8", 1, CTOK_INT) \ - _("__int16", 2, CTOK_INT) \ - _("__int32", 4, CTOK_INT) \ - _("__int64", 8, CTOK_INT) \ - _("float", 4, CTOK_FP) \ - _("double", 8, CTOK_FP) \ - _("long", 0, CTOK_LONG) \ - _("short", 0, CTOK_SHORT) \ - _("_Complex", 0, CTOK_COMPLEX) \ - _("complex", 0, CTOK_COMPLEX) \ - _("__complex", 0, CTOK_COMPLEX) \ - _("__complex__", 0, CTOK_COMPLEX) \ - _("signed", 0, CTOK_SIGNED) \ - _("__signed", 0, CTOK_SIGNED) \ - _("__signed__", 0, CTOK_SIGNED) \ - _("unsigned", 0, CTOK_UNSIGNED) \ - /* Type qualifiers. */ \ - _("const", 0, CTOK_CONST) \ - _("__const", 0, CTOK_CONST) \ - _("__const__", 0, CTOK_CONST) \ - _("volatile", 0, CTOK_VOLATILE) \ - _("__volatile", 0, CTOK_VOLATILE) \ - _("__volatile__", 0, CTOK_VOLATILE) \ - _("restrict", 0, CTOK_RESTRICT) \ - _("__restrict", 0, CTOK_RESTRICT) \ - _("__restrict__", 0, CTOK_RESTRICT) \ - _("inline", 0, CTOK_INLINE) \ - _("__inline", 0, CTOK_INLINE) \ - _("__inline__", 0, CTOK_INLINE) \ - /* Storage class specifiers. */ \ - _("typedef", 0, CTOK_TYPEDEF) \ - _("extern", 0, CTOK_EXTERN) \ - _("static", 0, CTOK_STATIC) \ - _("auto", 0, CTOK_AUTO) \ - _("register", 0, CTOK_REGISTER) \ - /* GCC Attributes. */ \ - _("__extension__", 0, CTOK_EXTENSION) \ - _("__attribute", 0, CTOK_ATTRIBUTE) \ - _("__attribute__", 0, CTOK_ATTRIBUTE) \ - _("asm", 0, CTOK_ASM) \ - _("__asm", 0, CTOK_ASM) \ - _("__asm__", 0, CTOK_ASM) \ - /* MSVC Attributes. */ \ - _("__declspec", 0, CTOK_DECLSPEC) \ - _("__cdecl", CTCC_CDECL, CTOK_CCDECL) \ - _("__thiscall", CTCC_THISCALL, CTOK_CCDECL) \ - _("__fastcall", CTCC_FASTCALL, CTOK_CCDECL) \ - _("__stdcall", CTCC_STDCALL, CTOK_CCDECL) \ - _("__ptr32", 4, CTOK_PTRSZ) \ - _("__ptr64", 8, CTOK_PTRSZ) \ - /* Other type specifiers. */ \ - _("struct", 0, CTOK_STRUCT) \ - _("union", 0, CTOK_UNION) \ - _("enum", 0, CTOK_ENUM) \ - /* Operators. */ \ - _("sizeof", 0, CTOK_SIZEOF) \ - _("__alignof", 0, CTOK_ALIGNOF) \ - _("__alignof__", 0, CTOK_ALIGNOF) \ - /* End of keyword list. */ - -/* Type info for predefined types. Size merged in. */ -static CTInfo lj_ctype_typeinfo[] = { -#define CTTYINFODEF(id, sz, ct, info) CTINFO((ct),(((sz)&0x3fu)<<10)+(info)), -#define CTTDINFODEF(name, id) CTINFO(CT_TYPEDEF, CTID_##id), -#define CTKWINFODEF(name, sz, kw) CTINFO(CT_KW,(((sz)&0x3fu)<<10)+(kw)), -CTTYDEF(CTTYINFODEF) -CTTDDEF(CTTDINFODEF) -CTKWDEF(CTKWINFODEF) -#undef CTTYINFODEF -#undef CTTDINFODEF -#undef CTKWINFODEF - 0 -}; - -/* Predefined type names collected in a single string. */ -static const char * const lj_ctype_typenames = -#define CTTDNAMEDEF(name, id) name "\0" -#define CTKWNAMEDEF(name, sz, cds) name "\0" -CTTDDEF(CTTDNAMEDEF) -CTKWDEF(CTKWNAMEDEF) -#undef CTTDNAMEDEF -#undef CTKWNAMEDEF -; - -#define CTTYPEINFO_NUM (sizeof(lj_ctype_typeinfo)/sizeof(CTInfo)-1) -#define CTTYPETAB_MIN 128 - -/* -- C type interning ---------------------------------------------------- */ - -#define ct_hashtype(info, size) (hashrot(info, size) & CTHASH_MASK) -#define ct_hashname(name) \ - (hashrot(u32ptr(name), u32ptr(name) + HASH_BIAS) & CTHASH_MASK) - -/* Create new type element. */ -CTypeID lj_ctype_new(CTState *cts, CType **ctp) -{ - CTypeID id = cts->top; - CType *ct; - lua_assert(cts->L); - if (LJ_UNLIKELY(id >= cts->sizetab)) { - if (id >= CTID_MAX) lj_err_msg(cts->L, LJ_ERR_TABOV); - lj_mem_growvec(cts->L, cts->tab, cts->sizetab, CTID_MAX, CType); - } - cts->top = id+1; - *ctp = ct = &cts->tab[id]; - ct->info = 0; - ct->size = 0; - ct->sib = 0; - ct->next = 0; - setgcrefnull(ct->name); - return id; -} - -/* Intern a type element. */ -CTypeID lj_ctype_intern(CTState *cts, CTInfo info, CTSize size) -{ - uint32_t h = ct_hashtype(info, size); - CTypeID id = cts->hash[h]; - lua_assert(cts->L); - while (id) { - CType *ct = ctype_get(cts, id); - if (ct->info == info && ct->size == size) - return id; - id = ct->next; - } - id = cts->top; - if (LJ_UNLIKELY(id >= cts->sizetab)) { - if (id >= CTID_MAX) lj_err_msg(cts->L, LJ_ERR_TABOV); - lj_mem_growvec(cts->L, cts->tab, cts->sizetab, CTID_MAX, CType); - } - cts->top = id+1; - cts->tab[id].info = info; - cts->tab[id].size = size; - cts->tab[id].sib = 0; - cts->tab[id].next = cts->hash[h]; - setgcrefnull(cts->tab[id].name); - cts->hash[h] = (CTypeID1)id; - return id; -} - -/* Add type element to hash table. */ -static void ctype_addtype(CTState *cts, CType *ct, CTypeID id) -{ - uint32_t h = ct_hashtype(ct->info, ct->size); - ct->next = cts->hash[h]; - cts->hash[h] = (CTypeID1)id; -} - -/* Add named element to hash table. */ -void lj_ctype_addname(CTState *cts, CType *ct, CTypeID id) -{ - uint32_t h = ct_hashname(gcref(ct->name)); - ct->next = cts->hash[h]; - cts->hash[h] = (CTypeID1)id; -} - -/* Get a C type by name, matching the type mask. */ -CTypeID lj_ctype_getname(CTState *cts, CType **ctp, GCstr *name, uint32_t tmask) -{ - CTypeID id = cts->hash[ct_hashname(name)]; - while (id) { - CType *ct = ctype_get(cts, id); - if (gcref(ct->name) == obj2gco(name) && - ((tmask >> ctype_type(ct->info)) & 1)) { - *ctp = ct; - return id; - } - id = ct->next; - } - *ctp = &cts->tab[0]; /* Simplify caller logic. ctype_get() would assert. */ - return 0; -} - -/* Get a struct/union/enum/function field by name. */ -CType *lj_ctype_getfield(CTState *cts, CType *ct, GCstr *name, CTSize *ofs) -{ - while (ct->sib) { - ct = ctype_get(cts, ct->sib); - if (gcref(ct->name) == obj2gco(name)) { - *ofs = ct->size; - return ct; - } - if (ctype_isxattrib(ct->info, CTA_SUBTYPE)) { - CType *fct = lj_ctype_getfield(cts, ctype_child(cts, ct), name, ofs); - if (fct) { - *ofs += ct->size; - return fct; - } - } - } - return NULL; /* Not found. */ -} - -/* -- C type information -------------------------------------------------- */ - -/* Follow references and get raw type for a C type ID. */ -CType *lj_ctype_rawref(CTState *cts, CTypeID id) -{ - CType *ct = ctype_get(cts, id); - while (ctype_isattrib(ct->info) || ctype_isref(ct->info)) - ct = ctype_child(cts, ct); - return ct; -} - -/* Get size for a C type ID. Does NOT support VLA/VLS. */ -CTSize lj_ctype_size(CTState *cts, CTypeID id) -{ - CType *ct = ctype_raw(cts, id); - return ctype_hassize(ct->info) ? ct->size : CTSIZE_INVALID; -} - -/* Get size for a variable-length C type. Does NOT support other C types. */ -CTSize lj_ctype_vlsize(CTState *cts, CType *ct, CTSize nelem) -{ - uint64_t xsz = 0; - if (ctype_isstruct(ct->info)) { - CTypeID arrid = 0, fid = ct->sib; - xsz = ct->size; /* Add the struct size. */ - while (fid) { - CType *ctf = ctype_get(cts, fid); - if (ctype_type(ctf->info) == CT_FIELD) - arrid = ctype_cid(ctf->info); /* Remember last field of VLS. */ - fid = ctf->sib; - } - ct = ctype_raw(cts, arrid); - } - lua_assert(ctype_isvlarray(ct->info)); /* Must be a VLA. */ - ct = ctype_rawchild(cts, ct); /* Get array element. */ - lua_assert(ctype_hassize(ct->info)); - /* Calculate actual size of VLA and check for overflow. */ - xsz += (uint64_t)ct->size * nelem; - return xsz < 0x80000000u ? (CTSize)xsz : CTSIZE_INVALID; -} - -/* Get type, qualifiers, size and alignment for a C type ID. */ -CTInfo lj_ctype_info(CTState *cts, CTypeID id, CTSize *szp) -{ - CTInfo qual = 0; - CType *ct = ctype_get(cts, id); - for (;;) { - CTInfo info = ct->info; - if (ctype_isenum(info)) { - /* Follow child. Need to look at its attributes, too. */ - } else if (ctype_isattrib(info)) { - if (ctype_isxattrib(info, CTA_QUAL)) - qual |= ct->size; - else if (ctype_isxattrib(info, CTA_ALIGN) && !(qual & CTFP_ALIGNED)) - qual |= CTFP_ALIGNED + CTALIGN(ct->size); - } else { - if (!(qual & CTFP_ALIGNED)) qual |= (info & CTF_ALIGN); - qual |= (info & ~(CTF_ALIGN|CTMASK_CID)); - lua_assert(ctype_hassize(info) || ctype_isfunc(info)); - *szp = ctype_isfunc(info) ? CTSIZE_INVALID : ct->size; - break; - } - ct = ctype_get(cts, ctype_cid(info)); - } - return qual; -} - -/* Get ctype metamethod. */ -cTValue *lj_ctype_meta(CTState *cts, CTypeID id, MMS mm) -{ - CType *ct = ctype_get(cts, id); - cTValue *tv; - while (ctype_isattrib(ct->info) || ctype_isref(ct->info)) { - id = ctype_cid(ct->info); - ct = ctype_get(cts, id); - } - if (ctype_isptr(ct->info) && - ctype_isfunc(ctype_get(cts, ctype_cid(ct->info))->info)) - tv = lj_tab_getstr(cts->miscmap, &cts->g->strempty); - else - tv = lj_tab_getinth(cts->miscmap, -(int32_t)id); - if (tv && tvistab(tv) && - (tv = lj_tab_getstr(tabV(tv), mmname_str(cts->g, mm))) && !tvisnil(tv)) - return tv; - return NULL; -} - -/* -- C type representation ----------------------------------------------- */ - -/* Fixed max. length of a C type representation. */ -#define CTREPR_MAX 512 - -typedef struct CTRepr { - char *pb, *pe; - CTState *cts; - lua_State *L; - int needsp; - int ok; - char buf[CTREPR_MAX]; -} CTRepr; - -/* Prepend string. */ -static void ctype_prepstr(CTRepr *ctr, const char *str, MSize len) -{ - char *p = ctr->pb; - if (ctr->buf + len+1 > p) { ctr->ok = 0; return; } - if (ctr->needsp) *--p = ' '; - ctr->needsp = 1; - p -= len; - while (len-- > 0) p[len] = str[len]; - ctr->pb = p; -} - -#define ctype_preplit(ctr, str) ctype_prepstr((ctr), "" str, sizeof(str)-1) - -/* Prepend char. */ -static void ctype_prepc(CTRepr *ctr, int c) -{ - if (ctr->buf >= ctr->pb) { ctr->ok = 0; return; } - *--ctr->pb = c; -} - -/* Prepend number. */ -static void ctype_prepnum(CTRepr *ctr, uint32_t n) -{ - char *p = ctr->pb; - if (ctr->buf + 10+1 > p) { ctr->ok = 0; return; } - do { *--p = (char)('0' + n % 10); } while (n /= 10); - ctr->pb = p; - ctr->needsp = 0; -} - -/* Append char. */ -static void ctype_appc(CTRepr *ctr, int c) -{ - if (ctr->pe >= ctr->buf + CTREPR_MAX) { ctr->ok = 0; return; } - *ctr->pe++ = c; -} - -/* Append number. */ -static void ctype_appnum(CTRepr *ctr, uint32_t n) -{ - char buf[10]; - char *p = buf+sizeof(buf); - char *q = ctr->pe; - if (q > ctr->buf + CTREPR_MAX - 10) { ctr->ok = 0; return; } - do { *--p = (char)('0' + n % 10); } while (n /= 10); - do { *q++ = *p++; } while (p < buf+sizeof(buf)); - ctr->pe = q; -} - -/* Prepend qualifiers. */ -static void ctype_prepqual(CTRepr *ctr, CTInfo info) -{ - if ((info & CTF_VOLATILE)) ctype_preplit(ctr, "volatile"); - if ((info & CTF_CONST)) ctype_preplit(ctr, "const"); -} - -/* Prepend named type. */ -static void ctype_preptype(CTRepr *ctr, CType *ct, CTInfo qual, const char *t) -{ - if (gcref(ct->name)) { - GCstr *str = gco2str(gcref(ct->name)); - ctype_prepstr(ctr, strdata(str), str->len); - } else { - if (ctr->needsp) ctype_prepc(ctr, ' '); - ctype_prepnum(ctr, ctype_typeid(ctr->cts, ct)); - ctr->needsp = 1; - } - ctype_prepstr(ctr, t, (MSize)strlen(t)); - ctype_prepqual(ctr, qual); -} - -static void ctype_repr(CTRepr *ctr, CTypeID id) -{ - CType *ct = ctype_get(ctr->cts, id); - CTInfo qual = 0; - int ptrto = 0; - for (;;) { - CTInfo info = ct->info; - CTSize size = ct->size; - switch (ctype_type(info)) { - case CT_NUM: - if ((info & CTF_BOOL)) { - ctype_preplit(ctr, "bool"); - } else if ((info & CTF_FP)) { - if (size == sizeof(double)) ctype_preplit(ctr, "double"); - else if (size == sizeof(float)) ctype_preplit(ctr, "float"); - else ctype_preplit(ctr, "long double"); - } else if (size == 1) { - if (!((info ^ CTF_UCHAR) & CTF_UNSIGNED)) ctype_preplit(ctr, "char"); - else if (CTF_UCHAR) ctype_preplit(ctr, "signed char"); - else ctype_preplit(ctr, "unsigned char"); - } else if (size < 8) { - if (size == 4) ctype_preplit(ctr, "int"); - else ctype_preplit(ctr, "short"); - if ((info & CTF_UNSIGNED)) ctype_preplit(ctr, "unsigned"); - } else { - ctype_preplit(ctr, "_t"); - ctype_prepnum(ctr, size*8); - ctype_preplit(ctr, "int"); - if ((info & CTF_UNSIGNED)) ctype_prepc(ctr, 'u'); - } - ctype_prepqual(ctr, (qual|info)); - return; - case CT_VOID: - ctype_preplit(ctr, "void"); - ctype_prepqual(ctr, (qual|info)); - return; - case CT_STRUCT: - ctype_preptype(ctr, ct, qual, (info & CTF_UNION) ? "union" : "struct"); - return; - case CT_ENUM: - ctype_preptype(ctr, ct, qual, "enum"); - return; - case CT_ATTRIB: - if (ctype_attrib(info) == CTA_QUAL) qual |= size; - break; - case CT_PTR: - if ((info & CTF_REF)) { - ctype_prepc(ctr, '&'); - } else { - ctype_prepqual(ctr, (qual|info)); - if (LJ_64 && size == 4) ctype_preplit(ctr, "__ptr32"); - ctype_prepc(ctr, '*'); - } - qual = 0; - ptrto = 1; - ctr->needsp = 1; - break; - case CT_ARRAY: - if (ctype_isrefarray(info)) { - ctr->needsp = 1; - if (ptrto) { ptrto = 0; ctype_prepc(ctr, '('); ctype_appc(ctr, ')'); } - ctype_appc(ctr, '['); - if (size != CTSIZE_INVALID) { - CTSize csize = ctype_child(ctr->cts, ct)->size; - ctype_appnum(ctr, csize ? size/csize : 0); - } else if ((info & CTF_VLA)) { - ctype_appc(ctr, '?'); - } - ctype_appc(ctr, ']'); - } else if ((info & CTF_COMPLEX)) { - if (size == 2*sizeof(float)) ctype_preplit(ctr, "float"); - ctype_preplit(ctr, "complex"); - return; - } else { - ctype_preplit(ctr, ")))"); - ctype_prepnum(ctr, size); - ctype_preplit(ctr, "__attribute__((vector_size("); - } - break; - case CT_FUNC: - ctr->needsp = 1; - if (ptrto) { ptrto = 0; ctype_prepc(ctr, '('); ctype_appc(ctr, ')'); } - ctype_appc(ctr, '('); - ctype_appc(ctr, ')'); - break; - default: - lua_assert(0); - break; - } - ct = ctype_get(ctr->cts, ctype_cid(info)); - } -} - -/* Return a printable representation of a C type. */ -GCstr *lj_ctype_repr(lua_State *L, CTypeID id, GCstr *name) -{ - global_State *g = G(L); - CTRepr ctr; - ctr.pb = ctr.pe = &ctr.buf[CTREPR_MAX/2]; - ctr.cts = ctype_ctsG(g); - ctr.L = L; - ctr.ok = 1; - ctr.needsp = 0; - if (name) ctype_prepstr(&ctr, strdata(name), name->len); - ctype_repr(&ctr, id); - if (LJ_UNLIKELY(!ctr.ok)) return lj_str_newlit(L, "?"); - return lj_str_new(L, ctr.pb, ctr.pe - ctr.pb); -} - -/* Convert int64_t/uint64_t to string with 'LL' or 'ULL' suffix. */ -GCstr *lj_ctype_repr_int64(lua_State *L, uint64_t n, int isunsigned) -{ - char buf[1+20+3]; - char *p = buf+sizeof(buf); - int sign = 0; - *--p = 'L'; *--p = 'L'; - if (isunsigned) { - *--p = 'U'; - } else if ((int64_t)n < 0) { - n = (uint64_t)-(int64_t)n; - sign = 1; - } - do { *--p = (char)('0' + n % 10); } while (n /= 10); - if (sign) *--p = '-'; - return lj_str_new(L, p, (size_t)(buf+sizeof(buf)-p)); -} - -/* Convert complex to string with 'i' or 'I' suffix. */ -GCstr *lj_ctype_repr_complex(lua_State *L, void *sp, CTSize size) -{ - char buf[2*LJ_STR_NUMBUF+2+1]; - TValue re, im; - size_t len; - if (size == 2*sizeof(double)) { - re.n = *(double *)sp; im.n = ((double *)sp)[1]; - } else { - re.n = (double)*(float *)sp; im.n = (double)((float *)sp)[1]; - } - len = lj_str_bufnum(buf, &re); - if (!(im.u32.hi & 0x80000000u) || im.n != im.n) buf[len++] = '+'; - len += lj_str_bufnum(buf+len, &im); - buf[len] = buf[len-1] >= 'a' ? 'I' : 'i'; - return lj_str_new(L, buf, len+1); -} - -/* -- C type state -------------------------------------------------------- */ - -/* Initialize C type table and state. */ -CTState *lj_ctype_init(lua_State *L) -{ - CTState *cts = lj_mem_newt(L, sizeof(CTState), CTState); - CType *ct = lj_mem_newvec(L, CTTYPETAB_MIN, CType); - const char *name = lj_ctype_typenames; - CTypeID id; - memset(cts, 0, sizeof(CTState)); - cts->tab = ct; - cts->sizetab = CTTYPETAB_MIN; - cts->top = CTTYPEINFO_NUM; - cts->L = NULL; - cts->g = G(L); - for (id = 0; id < CTTYPEINFO_NUM; id++, ct++) { - CTInfo info = lj_ctype_typeinfo[id]; - ct->size = (CTSize)((int32_t)(info << 16) >> 26); - ct->info = info & 0xffff03ffu; - if (ctype_type(info) == CT_KW || ctype_istypedef(info)) { - size_t len = strlen(name); - GCstr *str = lj_str_new(L, name, len); - ctype_setname(ct, str); - name += len+1; - lj_ctype_addname(cts, ct, id); - } else { - setgcrefnull(ct->name); - if (!ctype_isenum(info)) ctype_addtype(cts, ct, id); - } - } - setmref(G(L)->ctype_state, cts); - return cts; -} - -/* Free C type table and state. */ -void lj_ctype_freestate(global_State *g) -{ - CTState *cts = ctype_ctsG(g); - if (cts) { - lj_ccallback_mcode_free(cts); - lj_mem_freevec(g, cts->tab, cts->sizetab, CType); - lj_mem_freevec(g, cts->cb.cbid, cts->cb.sizeid, CTypeID1); - lj_mem_freet(g, cts); - } -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_ctype.h b/libraries/luajit-2.0/src/lj_ctype.h deleted file mode 100644 index da31385..0000000 --- a/libraries/luajit-2.0/src/lj_ctype.h +++ /dev/null @@ -1,459 +0,0 @@ -/* -** C type management. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_CTYPE_H -#define _LJ_CTYPE_H - -#include "lj_obj.h" -#include "lj_gc.h" - -#if LJ_HASFFI - -/* -- C type definitions -------------------------------------------------- */ - -/* C type numbers. Highest 4 bits of C type info. ORDER CT. */ -enum { - /* Externally visible types. */ - CT_NUM, /* Integer or floating-point numbers. */ - CT_STRUCT, /* Struct or union. */ - CT_PTR, /* Pointer or reference. */ - CT_ARRAY, /* Array or complex type. */ - CT_MAYCONVERT = CT_ARRAY, - CT_VOID, /* Void type. */ - CT_ENUM, /* Enumeration. */ - CT_HASSIZE = CT_ENUM, /* Last type where ct->size holds the actual size. */ - CT_FUNC, /* Function. */ - CT_TYPEDEF, /* Typedef. */ - CT_ATTRIB, /* Miscellaneous attributes. */ - /* Internal element types. */ - CT_FIELD, /* Struct/union field or function parameter. */ - CT_BITFIELD, /* Struct/union bitfield. */ - CT_CONSTVAL, /* Constant value. */ - CT_EXTERN, /* External reference. */ - CT_KW /* Keyword. */ -}; - -LJ_STATIC_ASSERT(((int)CT_PTR & (int)CT_ARRAY) == CT_PTR); -LJ_STATIC_ASSERT(((int)CT_STRUCT & (int)CT_ARRAY) == CT_STRUCT); - -/* -** ---------- info ------------ -** |type flags... A cid | size | sib | next | name | -** +----------------------------+--------+-------+-------+-------+-- -** |NUM BFvcUL.. A | size | | type | | -** |STRUCT ..vcU..V A | size | field | name? | name? | -** |PTR ..vcR... A cid | size | | type | | -** |ARRAY VCvc...V A cid | size | | type | | -** |VOID ..vc.... A | size | | type | | -** |ENUM A cid | size | const | name? | name? | -** |FUNC ....VS.. cc cid | nargs | field | name? | name? | -** |TYPEDEF cid | | | name | name | -** |ATTRIB attrnum cid | attr | sib? | type? | | -** |FIELD cid | offset | field | | name? | -** |BITFIELD B.vcU csz bsz pos | offset | field | | name? | -** |CONSTVAL c cid | value | const | name | name | -** |EXTERN cid | | sib? | name | name | -** |KW tok | size | | name | name | -** +----------------------------+--------+-------+-------+-------+-- -** ^^ ^^--- bits used for C type conversion dispatch -*/ - -/* C type info flags. TFFArrrr */ -#define CTF_BOOL 0x08000000u /* Boolean: NUM, BITFIELD. */ -#define CTF_FP 0x04000000u /* Floating-point: NUM. */ -#define CTF_CONST 0x02000000u /* Const qualifier. */ -#define CTF_VOLATILE 0x01000000u /* Volatile qualifier. */ -#define CTF_UNSIGNED 0x00800000u /* Unsigned: NUM, BITFIELD. */ -#define CTF_LONG 0x00400000u /* Long: NUM. */ -#define CTF_VLA 0x00100000u /* Variable-length: ARRAY, STRUCT. */ -#define CTF_REF 0x00800000u /* Reference: PTR. */ -#define CTF_VECTOR 0x08000000u /* Vector: ARRAY. */ -#define CTF_COMPLEX 0x04000000u /* Complex: ARRAY. */ -#define CTF_UNION 0x00800000u /* Union: STRUCT. */ -#define CTF_VARARG 0x00800000u /* Vararg: FUNC. */ -#define CTF_SSEREGPARM 0x00400000u /* SSE register parameters: FUNC. */ - -#define CTF_QUAL (CTF_CONST|CTF_VOLATILE) -#define CTF_ALIGN (CTMASK_ALIGN< 0 ? CTF_UNSIGNED : 0) - -/* Flags used in parser. .F.Ammvf cp->attr */ -#define CTFP_ALIGNED 0x00000001u /* cp->attr + ALIGN */ -#define CTFP_PACKED 0x00000002u /* cp->attr */ -/* ...C...f cp->fattr */ -#define CTFP_CCONV 0x00000001u /* cp->fattr + CCONV/[SSE]REGPARM */ - -/* C type info bitfields. */ -#define CTMASK_CID 0x0000ffffu /* Max. 65536 type IDs. */ -#define CTMASK_NUM 0xf0000000u /* Max. 16 type numbers. */ -#define CTSHIFT_NUM 28 -#define CTMASK_ALIGN 15 /* Max. alignment is 2^15. */ -#define CTSHIFT_ALIGN 16 -#define CTMASK_ATTRIB 255 /* Max. 256 attributes. */ -#define CTSHIFT_ATTRIB 16 -#define CTMASK_CCONV 3 /* Max. 4 calling conventions. */ -#define CTSHIFT_CCONV 16 -#define CTMASK_REGPARM 3 /* Max. 0-3 regparms. */ -#define CTSHIFT_REGPARM 18 -/* Bitfields only used in parser. */ -#define CTMASK_VSIZEP 15 /* Max. vector size is 2^15. */ -#define CTSHIFT_VSIZEP 4 -#define CTMASK_MSIZEP 255 /* Max. type size (via mode) is 128. */ -#define CTSHIFT_MSIZEP 8 - -/* Info bits for BITFIELD. Max. size of bitfield is 64 bits. */ -#define CTBSZ_MAX 32 /* Max. size of bitfield is 32 bit. */ -#define CTBSZ_FIELD 127 /* Temp. marker for regular field. */ -#define CTMASK_BITPOS 127 -#define CTMASK_BITBSZ 127 -#define CTMASK_BITCSZ 127 -#define CTSHIFT_BITPOS 0 -#define CTSHIFT_BITBSZ 8 -#define CTSHIFT_BITCSZ 16 - -#define CTF_INSERT(info, field, val) \ - info = (info & ~(CTMASK_##field<> CTSHIFT_NUM) -#define ctype_cid(info) ((CTypeID)((info) & CTMASK_CID)) -#define ctype_align(info) (((info) >> CTSHIFT_ALIGN) & CTMASK_ALIGN) -#define ctype_attrib(info) (((info) >> CTSHIFT_ATTRIB) & CTMASK_ATTRIB) -#define ctype_bitpos(info) (((info) >> CTSHIFT_BITPOS) & CTMASK_BITPOS) -#define ctype_bitbsz(info) (((info) >> CTSHIFT_BITBSZ) & CTMASK_BITBSZ) -#define ctype_bitcsz(info) (((info) >> CTSHIFT_BITCSZ) & CTMASK_BITCSZ) -#define ctype_vsizeP(info) (((info) >> CTSHIFT_VSIZEP) & CTMASK_VSIZEP) -#define ctype_msizeP(info) (((info) >> CTSHIFT_MSIZEP) & CTMASK_MSIZEP) -#define ctype_cconv(info) (((info) >> CTSHIFT_CCONV) & CTMASK_CCONV) - -/* Simple type checks. */ -#define ctype_isnum(info) (ctype_type((info)) == CT_NUM) -#define ctype_isvoid(info) (ctype_type((info)) == CT_VOID) -#define ctype_isptr(info) (ctype_type((info)) == CT_PTR) -#define ctype_isarray(info) (ctype_type((info)) == CT_ARRAY) -#define ctype_isstruct(info) (ctype_type((info)) == CT_STRUCT) -#define ctype_isfunc(info) (ctype_type((info)) == CT_FUNC) -#define ctype_isenum(info) (ctype_type((info)) == CT_ENUM) -#define ctype_istypedef(info) (ctype_type((info)) == CT_TYPEDEF) -#define ctype_isattrib(info) (ctype_type((info)) == CT_ATTRIB) -#define ctype_isfield(info) (ctype_type((info)) == CT_FIELD) -#define ctype_isbitfield(info) (ctype_type((info)) == CT_BITFIELD) -#define ctype_isconstval(info) (ctype_type((info)) == CT_CONSTVAL) -#define ctype_isextern(info) (ctype_type((info)) == CT_EXTERN) -#define ctype_hassize(info) (ctype_type((info)) <= CT_HASSIZE) - -/* Combined type and flag checks. */ -#define ctype_isinteger(info) \ - (((info) & (CTMASK_NUM|CTF_BOOL|CTF_FP)) == CTINFO(CT_NUM, 0)) -#define ctype_isinteger_or_bool(info) \ - (((info) & (CTMASK_NUM|CTF_FP)) == CTINFO(CT_NUM, 0)) -#define ctype_isbool(info) \ - (((info) & (CTMASK_NUM|CTF_BOOL)) == CTINFO(CT_NUM, CTF_BOOL)) -#define ctype_isfp(info) \ - (((info) & (CTMASK_NUM|CTF_FP)) == CTINFO(CT_NUM, CTF_FP)) - -#define ctype_ispointer(info) \ - ((ctype_type(info) >> 1) == (CT_PTR >> 1)) /* Pointer or array. */ -#define ctype_isref(info) \ - (((info) & (CTMASK_NUM|CTF_REF)) == CTINFO(CT_PTR, CTF_REF)) - -#define ctype_isrefarray(info) \ - (((info) & (CTMASK_NUM|CTF_VECTOR|CTF_COMPLEX)) == CTINFO(CT_ARRAY, 0)) -#define ctype_isvector(info) \ - (((info) & (CTMASK_NUM|CTF_VECTOR)) == CTINFO(CT_ARRAY, CTF_VECTOR)) -#define ctype_iscomplex(info) \ - (((info) & (CTMASK_NUM|CTF_COMPLEX)) == CTINFO(CT_ARRAY, CTF_COMPLEX)) - -#define ctype_isvltype(info) \ - (((info) & ((CTMASK_NUM|CTF_VLA) - (2u<") _(STRING, "") \ - _(INTEGER, "") _(EOF, "") \ - _(OROR, "||") _(ANDAND, "&&") _(EQ, "==") _(NE, "!=") \ - _(LE, "<=") _(GE, ">=") _(SHL, "<<") _(SHR, ">>") _(DEREF, "->") - -/* Simple declaration specifiers. */ -#define CDSDEF(_) \ - _(VOID) _(BOOL) _(CHAR) _(INT) _(FP) \ - _(LONG) _(LONGLONG) _(SHORT) _(COMPLEX) _(SIGNED) _(UNSIGNED) \ - _(CONST) _(VOLATILE) _(RESTRICT) _(INLINE) \ - _(TYPEDEF) _(EXTERN) _(STATIC) _(AUTO) _(REGISTER) - -/* C keywords. */ -#define CKWDEF(_) \ - CDSDEF(_) _(EXTENSION) _(ASM) _(ATTRIBUTE) \ - _(DECLSPEC) _(CCDECL) _(PTRSZ) \ - _(STRUCT) _(UNION) _(ENUM) \ - _(SIZEOF) _(ALIGNOF) - -/* C token numbers. */ -enum { - CTOK_OFS = 255, -#define CTOKNUM(name, sym) CTOK_##name, -#define CKWNUM(name) CTOK_##name, -CTOKDEF(CTOKNUM) -CKWDEF(CKWNUM) -#undef CTOKNUM -#undef CKWNUM - CTOK_FIRSTDECL = CTOK_VOID, - CTOK_FIRSTSCL = CTOK_TYPEDEF, - CTOK_LASTDECLFLAG = CTOK_REGISTER, - CTOK_LASTDECL = CTOK_ENUM -}; - -/* Declaration specifier flags. */ -enum { -#define CDSFLAG(name) CDF_##name = (1u << (CTOK_##name - CTOK_FIRSTDECL)), -CDSDEF(CDSFLAG) -#undef CDSFLAG - CDF__END -}; - -#define CDF_SCL (CDF_TYPEDEF|CDF_EXTERN|CDF_STATIC|CDF_AUTO|CDF_REGISTER) - -/* -- C type management --------------------------------------------------- */ - -#define ctype_ctsG(g) (mref((g)->ctype_state, CTState)) - -/* Get C type state. */ -static LJ_AINLINE CTState *ctype_cts(lua_State *L) -{ - CTState *cts = ctype_ctsG(G(L)); - cts->L = L; /* Save L for errors and allocations. */ - return cts; -} - -/* Save and restore state of C type table. */ -#define LJ_CTYPE_SAVE(cts) CTState savects_ = *(cts) -#define LJ_CTYPE_RESTORE(cts) \ - ((cts)->top = savects_.top, \ - memcpy((cts)->hash, savects_.hash, sizeof(savects_.hash))) - -/* Check C type ID for validity when assertions are enabled. */ -static LJ_AINLINE CTypeID ctype_check(CTState *cts, CTypeID id) -{ - lua_assert(id > 0 && id < cts->top); UNUSED(cts); - return id; -} - -/* Get C type for C type ID. */ -static LJ_AINLINE CType *ctype_get(CTState *cts, CTypeID id) -{ - return &cts->tab[ctype_check(cts, id)]; -} - -/* Get C type ID for a C type. */ -#define ctype_typeid(cts, ct) ((CTypeID)((ct) - (cts)->tab)) - -/* Get child C type. */ -static LJ_AINLINE CType *ctype_child(CTState *cts, CType *ct) -{ - lua_assert(!(ctype_isvoid(ct->info) || ctype_isstruct(ct->info) || - ctype_isbitfield(ct->info))); /* These don't have children. */ - return ctype_get(cts, ctype_cid(ct->info)); -} - -/* Get raw type for a C type ID. */ -static LJ_AINLINE CType *ctype_raw(CTState *cts, CTypeID id) -{ - CType *ct = ctype_get(cts, id); - while (ctype_isattrib(ct->info)) ct = ctype_child(cts, ct); - return ct; -} - -/* Get raw type of the child of a C type. */ -static LJ_AINLINE CType *ctype_rawchild(CTState *cts, CType *ct) -{ - do { ct = ctype_child(cts, ct); } while (ctype_isattrib(ct->info)); - return ct; -} - -/* Set the name of a C type table element. */ -static LJ_AINLINE void ctype_setname(CType *ct, GCstr *s) -{ - /* NOBARRIER: mark string as fixed -- the C type table is never collected. */ - fixstring(s); - setgcref(ct->name, obj2gco(s)); -} - -LJ_FUNC CTypeID lj_ctype_new(CTState *cts, CType **ctp); -LJ_FUNC CTypeID lj_ctype_intern(CTState *cts, CTInfo info, CTSize size); -LJ_FUNC void lj_ctype_addname(CTState *cts, CType *ct, CTypeID id); -LJ_FUNC CTypeID lj_ctype_getname(CTState *cts, CType **ctp, GCstr *name, - uint32_t tmask); -LJ_FUNC CType *lj_ctype_getfield(CTState *cts, CType *ct, GCstr *name, - CTSize *ofs); -LJ_FUNC CType *lj_ctype_rawref(CTState *cts, CTypeID id); -LJ_FUNC CTSize lj_ctype_size(CTState *cts, CTypeID id); -LJ_FUNC CTSize lj_ctype_vlsize(CTState *cts, CType *ct, CTSize nelem); -LJ_FUNC CTInfo lj_ctype_info(CTState *cts, CTypeID id, CTSize *szp); -LJ_FUNC cTValue *lj_ctype_meta(CTState *cts, CTypeID id, MMS mm); -LJ_FUNC GCstr *lj_ctype_repr(lua_State *L, CTypeID id, GCstr *name); -LJ_FUNC GCstr *lj_ctype_repr_int64(lua_State *L, uint64_t n, int isunsigned); -LJ_FUNC GCstr *lj_ctype_repr_complex(lua_State *L, void *sp, CTSize size); -LJ_FUNC CTState *lj_ctype_init(lua_State *L); -LJ_FUNC void lj_ctype_freestate(global_State *g); - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_debug.c b/libraries/luajit-2.0/src/lj_debug.c deleted file mode 100644 index 89434aa..0000000 --- a/libraries/luajit-2.0/src/lj_debug.c +++ /dev/null @@ -1,502 +0,0 @@ -/* -** Debugging and introspection. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_debug_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_err.h" -#include "lj_debug.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_state.h" -#include "lj_frame.h" -#include "lj_bc.h" -#if LJ_HASJIT -#include "lj_jit.h" -#endif - -/* -- Frames -------------------------------------------------------------- */ - -/* Get frame corresponding to a level. */ -cTValue *lj_debug_frame(lua_State *L, int level, int *size) -{ - cTValue *frame, *nextframe, *bot = tvref(L->stack); - /* Traverse frames backwards. */ - for (nextframe = frame = L->base-1; frame > bot; ) { - if (frame_gc(frame) == obj2gco(L)) - level++; /* Skip dummy frames. See lj_meta_call(). */ - if (level-- == 0) { - *size = (int)(nextframe - frame); - return frame; /* Level found. */ - } - nextframe = frame; - if (frame_islua(frame)) { - frame = frame_prevl(frame); - } else { - if (frame_isvarg(frame)) - level++; /* Skip vararg pseudo-frame. */ - frame = frame_prevd(frame); - } - } - *size = level; - return NULL; /* Level not found. */ -} - -/* Invalid bytecode position. */ -#define NO_BCPOS (~(BCPos)0) - -/* Return bytecode position for function/frame or NO_BCPOS. */ -static BCPos debug_framepc(lua_State *L, GCfunc *fn, cTValue *nextframe) -{ - const BCIns *ins; - GCproto *pt; - BCPos pos; - lua_assert(fn->c.gct == ~LJ_TFUNC || fn->c.gct == ~LJ_TTHREAD); - if (!isluafunc(fn)) { /* Cannot derive a PC for non-Lua functions. */ - return NO_BCPOS; - } else if (nextframe == NULL) { /* Lua function on top. */ - void *cf = cframe_raw(L->cframe); - if (cf == NULL || (char *)cframe_pc(cf) == (char *)cframe_L(cf)) - return NO_BCPOS; - ins = cframe_pc(cf); /* Only happens during error/hook handling. */ - } else { - if (frame_islua(nextframe)) { - ins = frame_pc(nextframe); - } else if (frame_iscont(nextframe)) { - ins = frame_contpc(nextframe); - } else { - /* Lua function below errfunc/gc/hook: find cframe to get the PC. */ - void *cf = cframe_raw(L->cframe); - TValue *f = L->base-1; - if (cf == NULL) - return NO_BCPOS; - while (f > nextframe) { - if (frame_islua(f)) { - f = frame_prevl(f); - } else { - if (frame_isc(f)) - cf = cframe_raw(cframe_prev(cf)); - f = frame_prevd(f); - } - } - if (cframe_prev(cf)) - cf = cframe_raw(cframe_prev(cf)); - ins = cframe_pc(cf); - } - } - pt = funcproto(fn); - pos = proto_bcpos(pt, ins) - 1; -#if LJ_HASJIT - if (pos > pt->sizebc) { /* Undo the effects of lj_trace_exit for JLOOP. */ - GCtrace *T = (GCtrace *)((char *)(ins-1) - offsetof(GCtrace, startins)); - lua_assert(bc_isret(bc_op(ins[-1]))); - pos = proto_bcpos(pt, mref(T->startpc, const BCIns)); - } -#endif - return pos; -} - -/* -- Line numbers -------------------------------------------------------- */ - -/* Get line number for a bytecode position. */ -BCLine LJ_FASTCALL lj_debug_line(GCproto *pt, BCPos pc) -{ - const void *lineinfo = proto_lineinfo(pt); - if (pc <= pt->sizebc && lineinfo) { - BCLine first = pt->firstline; - if (pc == pt->sizebc) return first + pt->numline; - if (pc-- == 0) return first; - if (pt->numline < 256) - return first + (BCLine)((const uint8_t *)lineinfo)[pc]; - else if (pt->numline < 65536) - return first + (BCLine)((const uint16_t *)lineinfo)[pc]; - else - return first + (BCLine)((const uint32_t *)lineinfo)[pc]; - } - return 0; -} - -/* Get line number for function/frame. */ -static BCLine debug_frameline(lua_State *L, GCfunc *fn, cTValue *nextframe) -{ - BCPos pc = debug_framepc(L, fn, nextframe); - if (pc != NO_BCPOS) { - GCproto *pt = funcproto(fn); - lua_assert(pc <= pt->sizebc); - return lj_debug_line(pt, pc); - } - return -1; -} - -/* -- Variable names ------------------------------------------------------ */ - -/* Read ULEB128 value. */ -static uint32_t debug_read_uleb128(const uint8_t **pp) -{ - const uint8_t *p = *pp; - uint32_t v = *p++; - if (LJ_UNLIKELY(v >= 0x80)) { - int sh = 0; - v &= 0x7f; - do { v |= ((*p & 0x7f) << (sh += 7)); } while (*p++ >= 0x80); - } - *pp = p; - return v; -} - -/* Get name of a local variable from slot number and PC. */ -static const char *debug_varname(const GCproto *pt, BCPos pc, BCReg slot) -{ - const uint8_t *p = proto_varinfo(pt); - if (p) { - BCPos lastpc = 0; - for (;;) { - const char *name = (const char *)p; - uint32_t vn = *p++; - BCPos startpc, endpc; - if (vn < VARNAME__MAX) { - if (vn == VARNAME_END) break; /* End of varinfo. */ - } else { - while (*p++) ; /* Skip over variable name string. */ - } - lastpc = startpc = lastpc + debug_read_uleb128(&p); - if (startpc > pc) break; - endpc = startpc + debug_read_uleb128(&p); - if (pc < endpc && slot-- == 0) { - if (vn < VARNAME__MAX) { -#define VARNAMESTR(name, str) str "\0" - name = VARNAMEDEF(VARNAMESTR); -#undef VARNAMESTR - if (--vn) while (*name++ || --vn) ; - } - return name; - } - } - } - return NULL; -} - -/* Get name of local variable from 1-based slot number and function/frame. */ -static TValue *debug_localname(lua_State *L, const lua_Debug *ar, - const char **name, BCReg slot1) -{ - uint32_t offset = (uint32_t)ar->i_ci & 0xffff; - uint32_t size = (uint32_t)ar->i_ci >> 16; - TValue *frame = tvref(L->stack) + offset; - TValue *nextframe = size ? frame + size : NULL; - GCfunc *fn = frame_func(frame); - BCPos pc = debug_framepc(L, fn, nextframe); - if (pc != NO_BCPOS && - (*name = debug_varname(funcproto(fn), pc, slot1-1)) != NULL) - ; - else if (slot1 > 0 && frame + slot1 < (nextframe ? nextframe : L->top)) - *name = "(*temporary)"; - else - *name = NULL; - return frame+slot1; -} - -/* Get name of upvalue. */ -const char *lj_debug_uvname(GCproto *pt, uint32_t idx) -{ - const uint8_t *p = proto_uvinfo(pt); - lua_assert(idx < pt->sizeuv); - if (!p) return ""; - if (idx) while (*p++ || --idx) ; - return (const char *)p; -} - -/* Get name and value of upvalue. */ -const char *lj_debug_uvnamev(cTValue *o, uint32_t idx, TValue **tvp) -{ - if (tvisfunc(o)) { - GCfunc *fn = funcV(o); - if (isluafunc(fn)) { - GCproto *pt = funcproto(fn); - if (idx < pt->sizeuv) { - *tvp = uvval(&gcref(fn->l.uvptr[idx])->uv); - return lj_debug_uvname(pt, idx); - } - } else { - if (idx < fn->c.nupvalues) { - *tvp = &fn->c.upvalue[idx]; - return ""; - } - } - } - return NULL; -} - -/* Deduce name of an object from slot number and PC. */ -const char *lj_debug_slotname(GCproto *pt, const BCIns *ip, BCReg slot, - const char **name) -{ - const char *lname; -restart: - lname = debug_varname(pt, proto_bcpos(pt, ip), slot); - if (lname != NULL) { *name = lname; return "local"; } - while (--ip > proto_bc(pt)) { - BCIns ins = *ip; - BCOp op = bc_op(ins); - BCReg ra = bc_a(ins); - if (bcmode_a(op) == BCMbase) { - if (slot >= ra && (op != BC_KNIL || slot <= bc_d(ins))) - return NULL; - } else if (bcmode_a(op) == BCMdst && ra == slot) { - switch (bc_op(ins)) { - case BC_MOV: - if (ra == slot) { slot = bc_d(ins); goto restart; } - break; - case BC_GGET: - *name = strdata(gco2str(proto_kgc(pt, ~(ptrdiff_t)bc_d(ins)))); - return "global"; - case BC_TGETS: - *name = strdata(gco2str(proto_kgc(pt, ~(ptrdiff_t)bc_c(ins)))); - if (ip > proto_bc(pt)) { - BCIns insp = ip[-1]; - if (bc_op(insp) == BC_MOV && bc_a(insp) == ra+1 && - bc_d(insp) == bc_b(ins)) - return "method"; - } - return "field"; - case BC_UGET: - *name = lj_debug_uvname(pt, bc_d(ins)); - return "upvalue"; - default: - return NULL; - } - } - } - return NULL; -} - -/* Deduce function name from caller of a frame. */ -const char *lj_debug_funcname(lua_State *L, TValue *frame, const char **name) -{ - TValue *pframe; - GCfunc *fn; - BCPos pc; - if (frame_isvarg(frame)) - frame = frame_prevd(frame); - pframe = frame_prev(frame); - fn = frame_func(pframe); - pc = debug_framepc(L, fn, frame); - if (pc != NO_BCPOS) { - GCproto *pt = funcproto(fn); - const BCIns *ip = &proto_bc(pt)[check_exp(pc < pt->sizebc, pc)]; - MMS mm = bcmode_mm(bc_op(*ip)); - if (mm == MM_call) { - BCReg slot = bc_a(*ip); - if (bc_op(*ip) == BC_ITERC) slot -= 3; - return lj_debug_slotname(pt, ip, slot, name); - } else if (mm != MM__MAX) { - *name = strdata(mmname_str(G(L), mm)); - return "metamethod"; - } - } - return NULL; -} - -/* -- Source code locations ----------------------------------------------- */ - -/* Generate shortened source name. */ -void lj_debug_shortname(char *out, GCstr *str) -{ - const char *src = strdata(str); - if (*src == '=') { - strncpy(out, src+1, LUA_IDSIZE); /* Remove first char. */ - out[LUA_IDSIZE-1] = '\0'; /* Ensures null termination. */ - } else if (*src == '@') { /* Output "source", or "...source". */ - size_t len = str->len-1; - src++; /* Skip the `@' */ - if (len >= LUA_IDSIZE) { - src += len-(LUA_IDSIZE-4); /* Get last part of file name. */ - *out++ = '.'; *out++ = '.'; *out++ = '.'; - } - strcpy(out, src); - } else { /* Output [string "string"]. */ - size_t len; /* Length, up to first control char. */ - for (len = 0; len < LUA_IDSIZE-12; len++) - if (((const unsigned char *)src)[len] < ' ') break; - strcpy(out, "[string \""); out += 9; - if (src[len] != '\0') { /* Must truncate? */ - if (len > LUA_IDSIZE-15) len = LUA_IDSIZE-15; - strncpy(out, src, len); out += len; - strcpy(out, "..."); out += 3; - } else { - strcpy(out, src); out += len; - } - strcpy(out, "\"]"); - } -} - -/* Add current location of a frame to error message. */ -void lj_debug_addloc(lua_State *L, const char *msg, - cTValue *frame, cTValue *nextframe) -{ - if (frame) { - GCfunc *fn = frame_func(frame); - if (isluafunc(fn)) { - BCLine line = debug_frameline(L, fn, nextframe); - if (line >= 0) { - char buf[LUA_IDSIZE]; - lj_debug_shortname(buf, proto_chunkname(funcproto(fn))); - lj_str_pushf(L, "%s:%d: %s", buf, line, msg); - return; - } - } - } - lj_str_pushf(L, "%s", msg); -} - -/* Push location string for a bytecode position to Lua stack. */ -void lj_debug_pushloc(lua_State *L, GCproto *pt, BCPos pc) -{ - GCstr *name = proto_chunkname(pt); - const char *s = strdata(name); - MSize i, len = name->len; - BCLine line = lj_debug_line(pt, pc); - if (*s == '@') { - s++; len--; - for (i = len; i > 0; i--) - if (s[i] == '/' || s[i] == '\\') { - s += i+1; - break; - } - lj_str_pushf(L, "%s:%d", s, line); - } else if (len > 40) { - lj_str_pushf(L, "%p:%d", pt, line); - } else if (*s == '=') { - lj_str_pushf(L, "%s:%d", s+1, line); - } else { - lj_str_pushf(L, "\"%s\":%d", s, line); - } -} - -/* -- Public debug API ---------------------------------------------------- */ - -/* lua_getupvalue() and lua_setupvalue() are in lj_api.c. */ - -LUA_API const char *lua_getlocal(lua_State *L, const lua_Debug *ar, int n) -{ - const char *name; - TValue *o = debug_localname(L, ar, &name, (BCReg)n); - if (name) { - copyTV(L, L->top, o); - incr_top(L); - } - return name; -} - -LUA_API const char *lua_setlocal(lua_State *L, const lua_Debug *ar, int n) -{ - const char *name; - TValue *o = debug_localname(L, ar, &name, (BCReg)n); - if (name) - copyTV(L, o, L->top-1); - L->top--; - return name; -} - -LUA_API int lua_getinfo(lua_State *L, const char *what, lua_Debug *ar) -{ - int status = 1; - TValue *frame = NULL; - TValue *nextframe = NULL; - GCfunc *fn; - if (*what == '>') { - TValue *func = L->top - 1; - api_check(L, tvisfunc(func)); - fn = funcV(func); - L->top--; - what++; - } else { - uint32_t offset = (uint32_t)ar->i_ci & 0xffff; - uint32_t size = (uint32_t)ar->i_ci >> 16; - lua_assert(offset != 0); - frame = tvref(L->stack) + offset; - if (size) nextframe = frame + size; - lua_assert(frame <= tvref(L->maxstack) && - (!nextframe || nextframe <= tvref(L->maxstack))); - fn = frame_func(frame); - lua_assert(fn->c.gct == ~LJ_TFUNC); - } - for (; *what; what++) { - if (*what == 'S') { - if (isluafunc(fn)) { - GCproto *pt = funcproto(fn); - BCLine firstline = pt->firstline; - GCstr *name = proto_chunkname(pt); - ar->source = strdata(name); - lj_debug_shortname(ar->short_src, name); - ar->linedefined = (int)firstline; - ar->lastlinedefined = (int)(firstline + pt->numline); - ar->what = firstline ? "Lua" : "main"; - } else { - ar->source = "=[C]"; - ar->short_src[0] = '['; - ar->short_src[1] = 'C'; - ar->short_src[2] = ']'; - ar->short_src[3] = '\0'; - ar->linedefined = -1; - ar->lastlinedefined = -1; - ar->what = "C"; - } - } else if (*what == 'l') { - ar->currentline = frame ? debug_frameline(L, fn, nextframe) : -1; - } else if (*what == 'u') { - ar->nups = fn->c.nupvalues; - } else if (*what == 'n') { - ar->namewhat = frame ? lj_debug_funcname(L, frame, &ar->name) : NULL; - if (ar->namewhat == NULL) { - ar->namewhat = ""; - ar->name = NULL; - } - } else if (*what == 'f') { - setfuncV(L, L->top, fn); - incr_top(L); - } else if (*what == 'L') { - if (isluafunc(fn)) { - GCtab *t = lj_tab_new(L, 0, 0); - GCproto *pt = funcproto(fn); - const void *lineinfo = proto_lineinfo(pt); - if (lineinfo) { - BCLine first = pt->firstline; - int sz = pt->numline < 256 ? 1 : pt->numline < 65536 ? 2 : 4; - MSize i, szl = pt->sizebc-1; - for (i = 0; i < szl; i++) { - BCLine line = first + - (sz == 1 ? (BCLine)((const uint8_t *)lineinfo)[i] : - sz == 2 ? (BCLine)((const uint16_t *)lineinfo)[i] : - (BCLine)((const uint32_t *)lineinfo)[i]); - setboolV(lj_tab_setint(L, t, line), 1); - } - } - settabV(L, L->top, t); - } else { - setnilV(L->top); - } - incr_top(L); - } else { - status = 0; /* Bad option. */ - } - } - return status; -} - -LUA_API int lua_getstack(lua_State *L, int level, lua_Debug *ar) -{ - int size; - cTValue *frame = lj_debug_frame(L, level, &size); - if (frame) { - ar->i_ci = (size << 16) + (int)(frame - tvref(L->stack)); - return 1; - } else { - ar->i_ci = level - size; - return 0; - } -} - diff --git a/libraries/luajit-2.0/src/lj_debug.h b/libraries/luajit-2.0/src/lj_debug.h deleted file mode 100644 index f82fdfe..0000000 --- a/libraries/luajit-2.0/src/lj_debug.h +++ /dev/null @@ -1,41 +0,0 @@ -/* -** Debugging and introspection. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_DEBUG_H -#define _LJ_DEBUG_H - -#include "lj_obj.h" - -LJ_FUNC cTValue *lj_debug_frame(lua_State *L, int level, int *size); -LJ_FUNC BCLine LJ_FASTCALL lj_debug_line(GCproto *pt, BCPos pc); -LJ_FUNC const char *lj_debug_uvname(GCproto *pt, uint32_t idx); -LJ_FUNC const char *lj_debug_uvnamev(cTValue *o, uint32_t idx, TValue **tvp); -LJ_FUNC const char *lj_debug_slotname(GCproto *pt, const BCIns *pc, - BCReg slot, const char **name); -LJ_FUNC const char *lj_debug_funcname(lua_State *L, TValue *frame, - const char **name); -LJ_FUNC void lj_debug_shortname(char *out, GCstr *str); -LJ_FUNC void lj_debug_addloc(lua_State *L, const char *msg, - cTValue *frame, cTValue *nextframe); -LJ_FUNC void lj_debug_pushloc(lua_State *L, GCproto *pt, BCPos pc); - -/* Fixed internal variable names. */ -#define VARNAMEDEF(_) \ - _(FOR_IDX, "(for index)") \ - _(FOR_STOP, "(for limit)") \ - _(FOR_STEP, "(for step)") \ - _(FOR_GEN, "(for generator)") \ - _(FOR_STATE, "(for state)") \ - _(FOR_CTL, "(for control)") - -enum { - VARNAME_END, -#define VARNAMEENUM(name, str) VARNAME_##name, - VARNAMEDEF(VARNAMEENUM) -#undef VARNAMEENUM - VARNAME__MAX -}; - -#endif diff --git a/libraries/luajit-2.0/src/lj_def.h b/libraries/luajit-2.0/src/lj_def.h deleted file mode 100644 index 5d21d58..0000000 --- a/libraries/luajit-2.0/src/lj_def.h +++ /dev/null @@ -1,307 +0,0 @@ -/* -** LuaJIT common internal definitions. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_DEF_H -#define _LJ_DEF_H - -#include "lua.h" - -#if defined(_MSC_VER) -/* MSVC is stuck in the last century and doesn't have C99's stdint.h. */ -typedef __int8 int8_t; -typedef __int16 int16_t; -typedef __int32 int32_t; -typedef __int64 int64_t; -typedef unsigned __int8 uint8_t; -typedef unsigned __int16 uint16_t; -typedef unsigned __int32 uint32_t; -typedef unsigned __int64 uint64_t; -#ifdef _WIN64 -typedef __int64 intptr_t; -typedef unsigned __int64 uintptr_t; -#else -typedef __int32 intptr_t; -typedef unsigned __int32 uintptr_t; -#endif -#elif defined(__symbian__) -/* Cough. */ -typedef signed char int8_t; -typedef short int int16_t; -typedef int int32_t; -typedef long long int64_t; -typedef unsigned char uint8_t; -typedef unsigned short int uint16_t; -typedef unsigned int uint32_t; -typedef unsigned long long uint64_t; -typedef int intptr_t; -typedef unsigned int uintptr_t; -#else -#include -#endif - -/* Needed everywhere. */ -#include -#include - -/* Various VM limits. */ -#define LJ_MAX_MEM 0x7fffff00 /* Max. total memory allocation. */ -#define LJ_MAX_ALLOC LJ_MAX_MEM /* Max. individual allocation length. */ -#define LJ_MAX_STR LJ_MAX_MEM /* Max. string length. */ -#define LJ_MAX_UDATA LJ_MAX_MEM /* Max. userdata length. */ - -#define LJ_MAX_STRTAB (1<<26) /* Max. string table size. */ -#define LJ_MAX_HBITS 26 /* Max. hash bits. */ -#define LJ_MAX_ABITS 28 /* Max. bits of array key. */ -#define LJ_MAX_ASIZE ((1<<(LJ_MAX_ABITS-1))+1) /* Max. array part size. */ -#define LJ_MAX_COLOSIZE 16 /* Max. elems for colocated array. */ - -#define LJ_MAX_LINE LJ_MAX_MEM /* Max. source code line number. */ -#define LJ_MAX_XLEVEL 200 /* Max. syntactic nesting level. */ -#define LJ_MAX_BCINS (1<<26) /* Max. # of bytecode instructions. */ -#define LJ_MAX_SLOTS 250 /* Max. # of slots in a Lua func. */ -#define LJ_MAX_LOCVAR 200 /* Max. # of local variables. */ -#define LJ_MAX_UPVAL 60 /* Max. # of upvalues. */ - -#define LJ_MAX_IDXCHAIN 100 /* __index/__newindex chain limit. */ -#define LJ_STACK_EXTRA 5 /* Extra stack space (metamethods). */ - -#define LJ_NUM_CBPAGE 1 /* Number of FFI callback pages. */ - -/* Minimum table/buffer sizes. */ -#define LJ_MIN_GLOBAL 6 /* Min. global table size (hbits). */ -#define LJ_MIN_REGISTRY 2 /* Min. registry size (hbits). */ -#define LJ_MIN_STRTAB 256 /* Min. string table size (pow2). */ -#define LJ_MIN_SBUF 32 /* Min. string buffer length. */ -#define LJ_MIN_VECSZ 8 /* Min. size for growable vectors. */ -#define LJ_MIN_IRSZ 32 /* Min. size for growable IR. */ -#define LJ_MIN_K64SZ 16 /* Min. size for chained K64Array. */ - -/* JIT compiler limits. */ -#define LJ_MAX_JSLOTS 250 /* Max. # of stack slots for a trace. */ -#define LJ_MAX_PHI 32 /* Max. # of PHIs for a loop. */ -#define LJ_MAX_EXITSTUBGR 16 /* Max. # of exit stub groups. */ - -/* Various macros. */ -#ifndef UNUSED -#define UNUSED(x) ((void)(x)) /* to avoid warnings */ -#endif - -#define U64x(hi, lo) (((uint64_t)0x##hi << 32) + (uint64_t)0x##lo) -#define i32ptr(p) ((int32_t)(intptr_t)(void *)(p)) -#define u32ptr(p) ((uint32_t)(intptr_t)(void *)(p)) - -#define checki8(x) ((x) == (int32_t)(int8_t)(x)) -#define checku8(x) ((x) == (int32_t)(uint8_t)(x)) -#define checki16(x) ((x) == (int32_t)(int16_t)(x)) -#define checku16(x) ((x) == (int32_t)(uint16_t)(x)) -#define checki32(x) ((x) == (int32_t)(x)) -#define checku32(x) ((x) == (uint32_t)(x)) -#define checkptr32(x) ((uintptr_t)(x) == (uint32_t)(uintptr_t)(x)) - -/* Every half-decent C compiler transforms this into a rotate instruction. */ -#define lj_rol(x, n) (((x)<<(n)) | ((x)>>(8*sizeof(x)-(n)))) -#define lj_ror(x, n) (((x)<<(8*sizeof(x)-(n))) | ((x)>>(n))) - -/* A really naive Bloom filter. But sufficient for our needs. */ -typedef uintptr_t BloomFilter; -#define BLOOM_MASK (8*sizeof(BloomFilter) - 1) -#define bloombit(x) ((uintptr_t)1 << ((x) & BLOOM_MASK)) -#define bloomset(b, x) ((b) |= bloombit((x))) -#define bloomtest(b, x) ((b) & bloombit((x))) - -#if defined(__GNUC__) - -#define LJ_NORET __attribute__((noreturn)) -#define LJ_ALIGN(n) __attribute__((aligned(n))) -#define LJ_INLINE inline -#define LJ_AINLINE inline __attribute__((always_inline)) -#define LJ_NOINLINE __attribute__((noinline)) - -#if defined(__ELF__) || defined(__MACH__) -#if !((defined(__sun__) && defined(__svr4__)) || defined(__solaris__)) -#define LJ_NOAPI extern __attribute__((visibility("hidden"))) -#endif -#endif - -/* Note: it's only beneficial to use fastcall on x86 and then only for up to -** two non-FP args. The amalgamated compile covers all LJ_FUNC cases. Only -** indirect calls and related tail-called C functions are marked as fastcall. -*/ -#if defined(__i386__) -#define LJ_FASTCALL __attribute__((fastcall)) -#endif - -#define LJ_LIKELY(x) __builtin_expect(!!(x), 1) -#define LJ_UNLIKELY(x) __builtin_expect(!!(x), 0) - -#define lj_ffs(x) ((uint32_t)__builtin_ctz(x)) -/* Don't ask ... */ -#if defined(__INTEL_COMPILER) && (defined(__i386__) || defined(__x86_64__)) -static LJ_AINLINE uint32_t lj_fls(uint32_t x) -{ - uint32_t r; __asm__("bsrl %1, %0" : "=r" (r) : "rm" (x) : "cc"); return r; -} -#else -#define lj_fls(x) ((uint32_t)(__builtin_clz(x)^31)) -#endif - -#if defined(__arm__) -static LJ_AINLINE uint32_t lj_bswap(uint32_t x) -{ - uint32_t r; -#if __ARM_ARCH_6__ || __ARM_ARCH_6J__ || __ARM_ARCH_6T2__ || __ARM_ARCH_6Z__ ||\ - __ARM_ARCH_6ZK__ || __ARM_ARCH_7__ || __ARM_ARCH_7A__ || __ARM_ARCH_7R__ - __asm__("rev %0, %1" : "=r" (r) : "r" (x)); - return r; -#else -#ifdef __thumb__ - r = x ^ lj_ror(x, 16); -#else - __asm__("eor %0, %1, %1, ror #16" : "=r" (r) : "r" (x)); -#endif - return ((r & 0xff00ffffu) >> 8) ^ lj_ror(x, 8); -#endif -} - -static LJ_AINLINE uint64_t lj_bswap64(uint64_t x) -{ - return ((uint64_t)lj_bswap((uint32_t)x)<<32) | lj_bswap((uint32_t)(x>>32)); -} -#elif (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) -static LJ_AINLINE uint32_t lj_bswap(uint32_t x) -{ - return (uint32_t)__builtin_bswap32((int32_t)x); -} - -static LJ_AINLINE uint64_t lj_bswap64(uint64_t x) -{ - return (uint64_t)__builtin_bswap64((int64_t)x); -} -#elif defined(__i386__) || defined(__x86_64__) -static LJ_AINLINE uint32_t lj_bswap(uint32_t x) -{ - uint32_t r; __asm__("bswap %0" : "=r" (r) : "0" (x)); return r; -} - -#if defined(__i386__) -static LJ_AINLINE uint64_t lj_bswap64(uint64_t x) -{ - return ((uint64_t)lj_bswap((uint32_t)x)<<32) | lj_bswap((uint32_t)(x>>32)); -} -#else -static LJ_AINLINE uint64_t lj_bswap64(uint64_t x) -{ - uint64_t r; __asm__("bswap %0" : "=r" (r) : "0" (x)); return r; -} -#endif -#else -#error "missing define for lj_bswap()" -#endif - -typedef union __attribute__((packed)) Unaligned16 { - uint16_t u; - uint8_t b[2]; -} Unaligned16; - -typedef union __attribute__((packed)) Unaligned32 { - uint32_t u; - uint8_t b[4]; -} Unaligned32; - -/* Unaligned load of uint16_t. */ -static LJ_AINLINE uint16_t lj_getu16(const void *p) -{ - return ((const Unaligned16 *)p)->u; -} - -/* Unaligned load of uint32_t. */ -static LJ_AINLINE uint32_t lj_getu32(const void *p) -{ - return ((const Unaligned32 *)p)->u; -} - -#elif defined(_MSC_VER) - -#define LJ_NORET __declspec(noreturn) -#define LJ_ALIGN(n) __declspec(align(n)) -#define LJ_INLINE __inline -#define LJ_AINLINE __forceinline -#define LJ_NOINLINE __declspec(noinline) -#if defined(_M_IX86) -#define LJ_FASTCALL __fastcall -#endif - -static LJ_AINLINE uint32_t lj_ffs(uint32_t x) -{ - uint32_t r; _BitScanForward(&r, x); return r; -} - -static LJ_AINLINE uint32_t lj_fls(uint32_t x) -{ - uint32_t r; _BitScanReverse(&r, x); return r; -} - -#define lj_bswap(x) (_byteswap_ulong((x))) -#define lj_bswap64(x) (_byteswap_uint64((x))) - -/* MSVC is only supported on x86/x64, where unaligned loads are always ok. */ -#define lj_getu16(p) (*(uint16_t *)(p)) -#define lj_getu32(p) (*(uint32_t *)(p)) - -#else -#error "missing defines for your compiler" -#endif - -/* Optional defines. */ -#ifndef LJ_FASTCALL -#define LJ_FASTCALL -#endif -#ifndef LJ_NORET -#define LJ_NORET -#endif -#ifndef LJ_NOAPI -#define LJ_NOAPI extern -#endif -#ifndef LJ_LIKELY -#define LJ_LIKELY(x) (x) -#define LJ_UNLIKELY(x) (x) -#endif - -/* Attributes for internal functions. */ -#define LJ_DATA LJ_NOAPI -#define LJ_DATADEF -#define LJ_ASMF LJ_NOAPI -#define LJ_FUNCA LJ_NOAPI -#if defined(ljamalg_c) -#define LJ_FUNC static -#else -#define LJ_FUNC LJ_NOAPI -#endif -#define LJ_FUNC_NORET LJ_FUNC LJ_NORET -#define LJ_FUNCA_NORET LJ_FUNCA LJ_NORET -#define LJ_ASMF_NORET LJ_ASMF LJ_NORET - -/* Runtime assertions. */ -#ifdef lua_assert -#define check_exp(c, e) (lua_assert(c), (e)) -#define api_check(l, e) lua_assert(e) -#else -#define lua_assert(c) ((void)0) -#define check_exp(c, e) (e) -#define api_check luai_apicheck -#endif - -/* Static assertions. */ -#define LJ_ASSERT_NAME2(name, line) name ## line -#define LJ_ASSERT_NAME(line) LJ_ASSERT_NAME2(lj_assert_, line) -#ifdef __COUNTER__ -#define LJ_STATIC_ASSERT(cond) \ - extern void LJ_ASSERT_NAME(__COUNTER__)(int STATIC_ASSERTION_FAILED[(cond)?1:-1]) -#else -#define LJ_STATIC_ASSERT(cond) \ - extern void LJ_ASSERT_NAME(__LINE__)(int STATIC_ASSERTION_FAILED[(cond)?1:-1]) -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_dispatch.c b/libraries/luajit-2.0/src/lj_dispatch.c deleted file mode 100644 index 38fd170..0000000 --- a/libraries/luajit-2.0/src/lj_dispatch.c +++ /dev/null @@ -1,464 +0,0 @@ -/* -** Instruction dispatch handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_dispatch_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_err.h" -#include "lj_debug.h" -#include "lj_state.h" -#include "lj_frame.h" -#include "lj_bc.h" -#include "lj_ff.h" -#if LJ_HASJIT -#include "lj_jit.h" -#endif -#include "lj_trace.h" -#include "lj_dispatch.h" -#include "lj_vm.h" -#include "luajit.h" - -/* Bump GG_NUM_ASMFF in lj_dispatch.h as needed. Ugly. */ -LJ_STATIC_ASSERT(GG_NUM_ASMFF == FF_NUM_ASMFUNC); - -/* -- Dispatch table management ------------------------------------------- */ - -/* Initialize instruction dispatch table and hot counters. */ -void lj_dispatch_init(GG_State *GG) -{ - uint32_t i; - ASMFunction *disp = GG->dispatch; - for (i = 0; i < GG_LEN_SDISP; i++) - disp[GG_LEN_DDISP+i] = disp[i] = makeasmfunc(lj_bc_ofs[i]); - for (i = GG_LEN_SDISP; i < GG_LEN_DDISP; i++) - disp[i] = makeasmfunc(lj_bc_ofs[i]); - /* The JIT engine is off by default. luaopen_jit() turns it on. */ - disp[BC_FORL] = disp[BC_IFORL]; - disp[BC_ITERL] = disp[BC_IITERL]; - disp[BC_LOOP] = disp[BC_ILOOP]; - disp[BC_FUNCF] = disp[BC_IFUNCF]; - disp[BC_FUNCV] = disp[BC_IFUNCV]; - GG->g.bc_cfunc_ext = GG->g.bc_cfunc_int = BCINS_AD(BC_FUNCC, LUA_MINSTACK, 0); - for (i = 0; i < GG_NUM_ASMFF; i++) - GG->bcff[i] = BCINS_AD(BC__MAX+i, 0, 0); -} - -#if LJ_HASJIT -/* Initialize hotcount table. */ -void lj_dispatch_init_hotcount(global_State *g) -{ - int32_t hotloop = G2J(g)->param[JIT_P_hotloop]; - HotCount start = (HotCount)(hotloop*HOTCOUNT_LOOP - 1); - HotCount *hotcount = G2GG(g)->hotcount; - uint32_t i; - for (i = 0; i < HOTCOUNT_SIZE; i++) - hotcount[i] = start; -} -#endif - -/* Internal dispatch mode bits. */ -#define DISPMODE_JIT 0x01 /* JIT compiler on. */ -#define DISPMODE_REC 0x02 /* Recording active. */ -#define DISPMODE_INS 0x04 /* Override instruction dispatch. */ -#define DISPMODE_CALL 0x08 /* Override call dispatch. */ -#define DISPMODE_RET 0x08 /* Override return dispatch. */ - -/* Update dispatch table depending on various flags. */ -void lj_dispatch_update(global_State *g) -{ - uint8_t oldmode = g->dispatchmode; - uint8_t mode = 0; -#if LJ_HASJIT - mode |= (G2J(g)->flags & JIT_F_ON) ? DISPMODE_JIT : 0; - mode |= G2J(g)->state != LJ_TRACE_IDLE ? - (DISPMODE_REC|DISPMODE_INS|DISPMODE_CALL) : 0; -#endif - mode |= (g->hookmask & (LUA_MASKLINE|LUA_MASKCOUNT)) ? DISPMODE_INS : 0; - mode |= (g->hookmask & LUA_MASKCALL) ? DISPMODE_CALL : 0; - mode |= (g->hookmask & LUA_MASKRET) ? DISPMODE_RET : 0; - if (oldmode != mode) { /* Mode changed? */ - ASMFunction *disp = G2GG(g)->dispatch; - ASMFunction f_forl, f_iterl, f_loop, f_funcf, f_funcv; - g->dispatchmode = mode; - - /* Hotcount if JIT is on, but not while recording. */ - if ((mode & (DISPMODE_JIT|DISPMODE_REC)) == DISPMODE_JIT) { - f_forl = makeasmfunc(lj_bc_ofs[BC_FORL]); - f_iterl = makeasmfunc(lj_bc_ofs[BC_ITERL]); - f_loop = makeasmfunc(lj_bc_ofs[BC_LOOP]); - f_funcf = makeasmfunc(lj_bc_ofs[BC_FUNCF]); - f_funcv = makeasmfunc(lj_bc_ofs[BC_FUNCV]); - } else { /* Otherwise use the non-hotcounting instructions. */ - f_forl = disp[GG_LEN_DDISP+BC_IFORL]; - f_iterl = disp[GG_LEN_DDISP+BC_IITERL]; - f_loop = disp[GG_LEN_DDISP+BC_ILOOP]; - f_funcf = makeasmfunc(lj_bc_ofs[BC_IFUNCF]); - f_funcv = makeasmfunc(lj_bc_ofs[BC_IFUNCV]); - } - /* Init static counting instruction dispatch first (may be copied below). */ - disp[GG_LEN_DDISP+BC_FORL] = f_forl; - disp[GG_LEN_DDISP+BC_ITERL] = f_iterl; - disp[GG_LEN_DDISP+BC_LOOP] = f_loop; - - /* Set dynamic instruction dispatch. */ - if ((oldmode ^ mode) & (DISPMODE_REC|DISPMODE_INS)) { - /* Need to update the whole table. */ - if (!(mode & (DISPMODE_REC|DISPMODE_INS))) { /* No ins dispatch? */ - /* Copy static dispatch table to dynamic dispatch table. */ - memcpy(&disp[0], &disp[GG_LEN_DDISP], GG_LEN_SDISP*sizeof(ASMFunction)); - /* Overwrite with dynamic return dispatch. */ - if ((mode & DISPMODE_RET)) { - disp[BC_RETM] = lj_vm_rethook; - disp[BC_RET] = lj_vm_rethook; - disp[BC_RET0] = lj_vm_rethook; - disp[BC_RET1] = lj_vm_rethook; - } - } else { - /* The recording dispatch also checks for hooks. */ - ASMFunction f = (mode & DISPMODE_REC) ? lj_vm_record : lj_vm_inshook; - uint32_t i; - for (i = 0; i < GG_LEN_SDISP; i++) - disp[i] = f; - } - } else if (!(mode & (DISPMODE_REC|DISPMODE_INS))) { - /* Otherwise set dynamic counting ins. */ - disp[BC_FORL] = f_forl; - disp[BC_ITERL] = f_iterl; - disp[BC_LOOP] = f_loop; - /* Set dynamic return dispatch. */ - if ((mode & DISPMODE_RET)) { - disp[BC_RETM] = lj_vm_rethook; - disp[BC_RET] = lj_vm_rethook; - disp[BC_RET0] = lj_vm_rethook; - disp[BC_RET1] = lj_vm_rethook; - } else { - disp[BC_RETM] = disp[GG_LEN_DDISP+BC_RETM]; - disp[BC_RET] = disp[GG_LEN_DDISP+BC_RET]; - disp[BC_RET0] = disp[GG_LEN_DDISP+BC_RET0]; - disp[BC_RET1] = disp[GG_LEN_DDISP+BC_RET1]; - } - } - - /* Set dynamic call dispatch. */ - if ((oldmode ^ mode) & DISPMODE_CALL) { /* Update the whole table? */ - uint32_t i; - if ((mode & 8) == 0) { /* No call hooks? */ - for (i = GG_LEN_SDISP; i < GG_LEN_DDISP; i++) - disp[i] = makeasmfunc(lj_bc_ofs[i]); - } else { - for (i = GG_LEN_SDISP; i < GG_LEN_DDISP; i++) - disp[i] = lj_vm_callhook; - } - } - if (!(mode & DISPMODE_CALL)) { /* Overwrite dynamic counting ins. */ - disp[BC_FUNCF] = f_funcf; - disp[BC_FUNCV] = f_funcv; - } - -#if LJ_HASJIT - /* Reset hotcounts for JIT off to on transition. */ - if ((mode & DISPMODE_JIT) && !(oldmode & DISPMODE_JIT)) - lj_dispatch_init_hotcount(g); -#endif - } -} - -/* -- JIT mode setting ---------------------------------------------------- */ - -#if LJ_HASJIT -/* Set JIT mode for a single prototype. */ -static void setptmode(global_State *g, GCproto *pt, int mode) -{ - if ((mode & LUAJIT_MODE_ON)) { /* (Re-)enable JIT compilation. */ - pt->flags &= ~PROTO_NOJIT; - lj_trace_reenableproto(pt); /* Unpatch all ILOOP etc. bytecodes. */ - } else { /* Flush and/or disable JIT compilation. */ - if (!(mode & LUAJIT_MODE_FLUSH)) - pt->flags |= PROTO_NOJIT; - lj_trace_flushproto(g, pt); /* Flush all traces of prototype. */ - } -} - -/* Recursively set the JIT mode for all children of a prototype. */ -static void setptmode_all(global_State *g, GCproto *pt, int mode) -{ - ptrdiff_t i; - if (!(pt->flags & PROTO_CHILD)) return; - for (i = -(ptrdiff_t)pt->sizekgc; i < 0; i++) { - GCobj *o = proto_kgc(pt, i); - if (o->gch.gct == ~LJ_TPROTO) { - setptmode(g, gco2pt(o), mode); - setptmode_all(g, gco2pt(o), mode); - } - } -} -#endif - -/* Public API function: control the JIT engine. */ -int luaJIT_setmode(lua_State *L, int idx, int mode) -{ - global_State *g = G(L); - int mm = mode & LUAJIT_MODE_MASK; - lj_trace_abort(g); /* Abort recording on any state change. */ - /* Avoid pulling the rug from under our own feet. */ - if ((g->hookmask & HOOK_GC)) - lj_err_caller(L, LJ_ERR_NOGCMM); - switch (mm) { -#if LJ_HASJIT - case LUAJIT_MODE_ENGINE: - if ((mode & LUAJIT_MODE_FLUSH)) { - lj_trace_flushall(L); - } else { - if (!(mode & LUAJIT_MODE_ON)) - G2J(g)->flags &= ~(uint32_t)JIT_F_ON; -#if LJ_TARGET_X86ORX64 - else if ((G2J(g)->flags & JIT_F_SSE2)) - G2J(g)->flags |= (uint32_t)JIT_F_ON; - else - return 0; /* Don't turn on JIT compiler without SSE2 support. */ -#else - else - G2J(g)->flags |= (uint32_t)JIT_F_ON; -#endif - lj_dispatch_update(g); - } - break; - case LUAJIT_MODE_FUNC: - case LUAJIT_MODE_ALLFUNC: - case LUAJIT_MODE_ALLSUBFUNC: { - cTValue *tv = idx == 0 ? frame_prev(L->base-1) : - idx > 0 ? L->base + (idx-1) : L->top + idx; - GCproto *pt; - if ((idx == 0 || tvisfunc(tv)) && isluafunc(&gcval(tv)->fn)) - pt = funcproto(&gcval(tv)->fn); /* Cannot use funcV() for frame slot. */ - else if (tvisproto(tv)) - pt = protoV(tv); - else - return 0; /* Failed. */ - if (mm != LUAJIT_MODE_ALLSUBFUNC) - setptmode(g, pt, mode); - if (mm != LUAJIT_MODE_FUNC) - setptmode_all(g, pt, mode); - break; - } - case LUAJIT_MODE_TRACE: - if (!(mode & LUAJIT_MODE_FLUSH)) - return 0; /* Failed. */ - lj_trace_flush(G2J(g), idx); - break; -#else - case LUAJIT_MODE_ENGINE: - case LUAJIT_MODE_FUNC: - case LUAJIT_MODE_ALLFUNC: - case LUAJIT_MODE_ALLSUBFUNC: - UNUSED(idx); - if ((mode & LUAJIT_MODE_ON)) - return 0; /* Failed. */ - break; -#endif - case LUAJIT_MODE_WRAPCFUNC: - if ((mode & LUAJIT_MODE_ON)) { - if (idx != 0) { - cTValue *tv = idx > 0 ? L->base + (idx-1) : L->top + idx; - if (tvislightud(tv)) - g->wrapf = (lua_CFunction)lightudV(tv); - else - return 0; /* Failed. */ - } else { - return 0; /* Failed. */ - } - g->bc_cfunc_ext = BCINS_AD(BC_FUNCCW, 0, 0); - } else { - g->bc_cfunc_ext = BCINS_AD(BC_FUNCC, 0, 0); - } - break; - default: - return 0; /* Failed. */ - } - return 1; /* OK. */ -} - -/* Enforce (dynamic) linker error for version mismatches. See luajit.c. */ -LUA_API void LUAJIT_VERSION_SYM(void) -{ -} - -/* -- Hooks --------------------------------------------------------------- */ - -/* This function can be called asynchronously (e.g. during a signal). */ -LUA_API int lua_sethook(lua_State *L, lua_Hook func, int mask, int count) -{ - global_State *g = G(L); - mask &= HOOK_EVENTMASK; - if (func == NULL || mask == 0) { mask = 0; func = NULL; } /* Consistency. */ - g->hookf = func; - g->hookcount = g->hookcstart = (int32_t)count; - g->hookmask = (uint8_t)((g->hookmask & ~HOOK_EVENTMASK) | mask); - lj_trace_abort(g); /* Abort recording on any hook change. */ - lj_dispatch_update(g); - return 1; -} - -LUA_API lua_Hook lua_gethook(lua_State *L) -{ - return G(L)->hookf; -} - -LUA_API int lua_gethookmask(lua_State *L) -{ - return G(L)->hookmask & HOOK_EVENTMASK; -} - -LUA_API int lua_gethookcount(lua_State *L) -{ - return (int)G(L)->hookcstart; -} - -/* Call a hook. */ -static void callhook(lua_State *L, int event, BCLine line) -{ - global_State *g = G(L); - lua_Hook hookf = g->hookf; - if (hookf && !hook_active(g)) { - lua_Debug ar; - lj_trace_abort(g); /* Abort recording on any hook call. */ - ar.event = event; - ar.currentline = line; - /* Top frame, nextframe = NULL. */ - ar.i_ci = (int)((L->base-1) - tvref(L->stack)); - lj_state_checkstack(L, 1+LUA_MINSTACK); - hook_enter(g); - hookf(L, &ar); - lua_assert(hook_active(g)); - hook_leave(g); - } -} - -/* -- Dispatch callbacks -------------------------------------------------- */ - -/* Calculate number of used stack slots in the current frame. */ -static BCReg cur_topslot(GCproto *pt, const BCIns *pc, uint32_t nres) -{ - BCIns ins = pc[-1]; - if (bc_op(ins) == BC_UCLO) - ins = pc[bc_j(ins)]; - switch (bc_op(ins)) { - case BC_CALLM: case BC_CALLMT: return bc_a(ins) + bc_c(ins) + nres-1+1; - case BC_RETM: return bc_a(ins) + bc_d(ins) + nres-1; - case BC_TSETM: return bc_a(ins) + nres-1; - default: return pt->framesize; - } -} - -/* Instruction dispatch. Used by instr/line/return hooks or when recording. */ -void LJ_FASTCALL lj_dispatch_ins(lua_State *L, const BCIns *pc) -{ - ERRNO_SAVE - GCfunc *fn = curr_func(L); - GCproto *pt = funcproto(fn); - void *cf = cframe_raw(L->cframe); - const BCIns *oldpc = cframe_pc(cf); - global_State *g = G(L); - BCReg slots; - setcframe_pc(cf, pc); - slots = cur_topslot(pt, pc, cframe_multres_n(cf)); - L->top = L->base + slots; /* Fix top. */ -#if LJ_HASJIT - { - jit_State *J = G2J(g); - if (J->state != LJ_TRACE_IDLE) { - J->L = L; - lj_trace_ins(J, pc-1); /* The interpreter bytecode PC is offset by 1. */ - } - } -#endif - if ((g->hookmask & LUA_MASKCOUNT) && g->hookcount == 0) { - g->hookcount = g->hookcstart; - callhook(L, LUA_HOOKCOUNT, -1); - L->top = L->base + slots; /* Fix top again. */ - } - if ((g->hookmask & LUA_MASKLINE)) { - BCPos npc = proto_bcpos(pt, pc) - 1; - BCPos opc = proto_bcpos(pt, oldpc) - 1; - BCLine line = lj_debug_line(pt, npc); - if (pc <= oldpc || opc >= pt->sizebc || line != lj_debug_line(pt, opc)) { - callhook(L, LUA_HOOKLINE, line); - L->top = L->base + slots; /* Fix top again. */ - } - } - if ((g->hookmask & LUA_MASKRET) && bc_isret(bc_op(pc[-1]))) - callhook(L, LUA_HOOKRET, -1); - ERRNO_RESTORE -} - -/* Initialize call. Ensure stack space and return # of missing parameters. */ -static int call_init(lua_State *L, GCfunc *fn) -{ - if (isluafunc(fn)) { - GCproto *pt = funcproto(fn); - int numparams = pt->numparams; - int gotparams = (int)(L->top - L->base); - int need = pt->framesize; - if ((pt->flags & PROTO_VARARG)) need += 1+gotparams; - lj_state_checkstack(L, (MSize)need); - numparams -= gotparams; - return numparams >= 0 ? numparams : 0; - } else { - lj_state_checkstack(L, LUA_MINSTACK); - return 0; - } -} - -/* Call dispatch. Used by call hooks, hot calls or when recording. */ -ASMFunction LJ_FASTCALL lj_dispatch_call(lua_State *L, const BCIns *pc) -{ - ERRNO_SAVE - GCfunc *fn = curr_func(L); - BCOp op; - global_State *g = G(L); -#if LJ_HASJIT - jit_State *J = G2J(g); -#endif - int missing = call_init(L, fn); -#if LJ_HASJIT - J->L = L; - if ((uintptr_t)pc & 1) { /* Marker for hot call. */ - pc = (const BCIns *)((uintptr_t)pc & ~(uintptr_t)1); - lj_trace_hot(J, pc); - goto out; - } else if (J->state != LJ_TRACE_IDLE && - !(g->hookmask & (HOOK_GC|HOOK_VMEVENT))) { -#ifdef LUA_USE_ASSERT - ptrdiff_t delta = L->top - L->base; -#endif - /* Record the FUNC* bytecodes, too. */ - lj_trace_ins(J, pc-1); /* The interpreter bytecode PC is offset by 1. */ - lua_assert(L->top - L->base == delta); - } -#endif - if ((g->hookmask & LUA_MASKCALL)) { - int i; - for (i = 0; i < missing; i++) /* Add missing parameters. */ - setnilV(L->top++); - callhook(L, LUA_HOOKCALL, -1); - /* Preserve modifications of missing parameters by lua_setlocal(). */ - while (missing-- > 0 && tvisnil(L->top - 1)) - L->top--; - } -#if LJ_HASJIT -out: -#endif - op = bc_op(pc[-1]); /* Get FUNC* op. */ -#if LJ_HASJIT - /* Use the non-hotcounting variants if JIT is off or while recording. */ - if ((!(J->flags & JIT_F_ON) || J->state != LJ_TRACE_IDLE) && - (op == BC_FUNCF || op == BC_FUNCV)) - op = (BCOp)((int)op+(int)BC_IFUNCF-(int)BC_FUNCF); -#endif - ERRNO_RESTORE - return makeasmfunc(lj_bc_ofs[op]); /* Return static dispatch target. */ -} - diff --git a/libraries/luajit-2.0/src/lj_dispatch.h b/libraries/luajit-2.0/src/lj_dispatch.h deleted file mode 100644 index c50d33a..0000000 --- a/libraries/luajit-2.0/src/lj_dispatch.h +++ /dev/null @@ -1,93 +0,0 @@ -/* -** Instruction dispatch handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_DISPATCH_H -#define _LJ_DISPATCH_H - -#include "lj_obj.h" -#include "lj_bc.h" -#if LJ_HASJIT -#include "lj_jit.h" -#endif - -/* Type of hot counter. Must match the code in the assembler VM. */ -/* 16 bits are sufficient. Only 0.0015% overhead with maximum slot penalty. */ -typedef uint16_t HotCount; - -/* Number of hot counter hash table entries (must be a power of two). */ -#define HOTCOUNT_SIZE 64 -#define HOTCOUNT_PCMASK ((HOTCOUNT_SIZE-1)*sizeof(HotCount)) - -/* Hotcount decrements. */ -#define HOTCOUNT_LOOP 2 -#define HOTCOUNT_CALL 1 - -/* This solves a circular dependency problem -- bump as needed. Sigh. */ -#define GG_NUM_ASMFF 62 - -#define GG_LEN_DDISP (BC__MAX + GG_NUM_ASMFF) -#define GG_LEN_SDISP BC_FUNCF -#define GG_LEN_DISP (GG_LEN_DDISP + GG_LEN_SDISP) - -/* Global state, main thread and extra fields are allocated together. */ -typedef struct GG_State { - lua_State L; /* Main thread. */ - global_State g; /* Global state. */ -#if LJ_HASJIT - jit_State J; /* JIT state. */ - HotCount hotcount[HOTCOUNT_SIZE]; /* Hot counters. */ -#endif - ASMFunction dispatch[GG_LEN_DISP]; /* Instruction dispatch tables. */ - BCIns bcff[GG_NUM_ASMFF]; /* Bytecode for ASM fast functions. */ -} GG_State; - -#define GG_OFS(field) ((int)offsetof(GG_State, field)) -#define G2GG(gl) ((GG_State *)((char *)(gl) - GG_OFS(g))) -#define J2GG(j) ((GG_State *)((char *)(j) - GG_OFS(J))) -#define L2GG(L) (G2GG(G(L))) -#define J2G(J) (&J2GG(J)->g) -#define G2J(gl) (&G2GG(gl)->J) -#define L2J(L) (&L2GG(L)->J) -#define GG_G2DISP (GG_OFS(dispatch) - GG_OFS(g)) -#define GG_DISP2G (GG_OFS(g) - GG_OFS(dispatch)) -#define GG_DISP2J (GG_OFS(J) - GG_OFS(dispatch)) -#define GG_DISP2HOT (GG_OFS(hotcount) - GG_OFS(dispatch)) -#define GG_DISP2STATIC (GG_LEN_DDISP*(int)sizeof(ASMFunction)) - -#define hotcount_get(gg, pc) \ - (gg)->hotcount[(u32ptr(pc)>>2) & (HOTCOUNT_SIZE-1)] -#define hotcount_set(gg, pc, val) \ - (hotcount_get((gg), (pc)) = (HotCount)(val)) - -/* Dispatch table management. */ -LJ_FUNC void lj_dispatch_init(GG_State *GG); -#if LJ_HASJIT -LJ_FUNC void lj_dispatch_init_hotcount(global_State *g); -#endif -LJ_FUNC void lj_dispatch_update(global_State *g); - -/* Instruction dispatch callback for hooks or when recording. */ -LJ_FUNCA void LJ_FASTCALL lj_dispatch_ins(lua_State *L, const BCIns *pc); -LJ_FUNCA ASMFunction LJ_FASTCALL lj_dispatch_call(lua_State *L, const BCIns*pc); -LJ_FUNCA void LJ_FASTCALL lj_dispatch_return(lua_State *L, const BCIns *pc); - -#if LJ_HASFFI && !defined(_BUILDVM_H) -/* Save/restore errno and GetLastError() around hooks, exits and recording. */ -#include -#if LJ_TARGET_WINDOWS -#define WIN32_LEAN_AND_MEAN -#include -#define ERRNO_SAVE int olderr = errno; DWORD oldwerr = GetLastError(); -#define ERRNO_RESTORE errno = olderr; SetLastError(oldwerr); -#else -#define ERRNO_SAVE int olderr = errno; -#define ERRNO_RESTORE errno = olderr; -#endif -#else -#define ERRNO_SAVE -#define ERRNO_RESTORE -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_emit_arm.h b/libraries/luajit-2.0/src/lj_emit_arm.h deleted file mode 100644 index ea90852..0000000 --- a/libraries/luajit-2.0/src/lj_emit_arm.h +++ /dev/null @@ -1,300 +0,0 @@ -/* -** ARM instruction emitter. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -/* -- Constant encoding --------------------------------------------------- */ - -static uint8_t emit_invai[16] = { - /* AND */ (ARMI_AND^ARMI_BIC) >> 21, - /* EOR */ 0, - /* SUB */ (ARMI_SUB^ARMI_ADD) >> 21, - /* RSB */ 0, - /* ADD */ (ARMI_ADD^ARMI_SUB) >> 21, - /* ADC */ (ARMI_ADC^ARMI_SBC) >> 21, - /* SBC */ (ARMI_SBC^ARMI_ADC) >> 21, - /* RSC */ 0, - /* TST */ 0, - /* TEQ */ 0, - /* CMP */ (ARMI_CMP^ARMI_CMN) >> 21, - /* CMN */ (ARMI_CMN^ARMI_CMP) >> 21, - /* ORR */ 0, - /* MOV */ (ARMI_MOV^ARMI_MVN) >> 21, - /* BIC */ (ARMI_BIC^ARMI_AND) >> 21, - /* MVN */ (ARMI_MVN^ARMI_MOV) >> 21 -}; - -/* Encode constant in K12 format for data processing instructions. */ -static uint32_t emit_isk12(ARMIns ai, int32_t n) -{ - uint32_t invai, i, m = (uint32_t)n; - /* K12: unsigned 8 bit value, rotated in steps of two bits. */ - for (i = 0; i < 4096; i += 256, m = lj_rol(m, 2)) - if (m <= 255) return ARMI_K12|m|i; - /* Otherwise try negation/complement with the inverse instruction. */ - invai = emit_invai[((ai >> 21) & 15)]; - if (!invai) return 0; /* Failed. No inverse instruction. */ - m = ~(uint32_t)n; - if (invai == ((ARMI_SUB^ARMI_ADD) >> 21) || - invai == (ARMI_CMP^ARMI_CMN) >> 21) m++; - for (i = 0; i < 4096; i += 256, m = lj_rol(m, 2)) - if (m <= 255) return ARMI_K12|(invai<<21)|m|i; - return 0; /* Failed. */ -} - -/* -- Emit basic instructions --------------------------------------------- */ - -static void emit_dnm(ASMState *as, ARMIns ai, Reg rd, Reg rn, Reg rm) -{ - *--as->mcp = ai | ARMF_D(rd) | ARMF_N(rn) | ARMF_M(rm); -} - -static void emit_dm(ASMState *as, ARMIns ai, Reg rd, Reg rm) -{ - *--as->mcp = ai | ARMF_D(rd) | ARMF_M(rm); -} - -static void emit_dn(ASMState *as, ARMIns ai, Reg rd, Reg rn) -{ - *--as->mcp = ai | ARMF_D(rd) | ARMF_N(rn); -} - -static void emit_nm(ASMState *as, ARMIns ai, Reg rn, Reg rm) -{ - *--as->mcp = ai | ARMF_N(rn) | ARMF_M(rm); -} - -static void emit_d(ASMState *as, ARMIns ai, Reg rd) -{ - *--as->mcp = ai | ARMF_D(rd); -} - -static void emit_n(ASMState *as, ARMIns ai, Reg rn) -{ - *--as->mcp = ai | ARMF_N(rn); -} - -static void emit_m(ASMState *as, ARMIns ai, Reg rm) -{ - *--as->mcp = ai | ARMF_M(rm); -} - -static void emit_lsox(ASMState *as, ARMIns ai, Reg rd, Reg rn, int32_t ofs) -{ - lua_assert(ofs >= -255 && ofs <= 255); - if (ofs < 0) ofs = -ofs; else ai |= ARMI_LS_U; - *--as->mcp = ai | ARMI_LS_P | ARMI_LSX_I | ARMF_D(rd) | ARMF_N(rn) | - ((ofs & 0xf0) << 4) | (ofs & 0x0f); -} - -static void emit_lso(ASMState *as, ARMIns ai, Reg rd, Reg rn, int32_t ofs) -{ - lua_assert(ofs >= -4095 && ofs <= 4095); - /* Combine LDR/STR pairs to LDRD/STRD. */ - if (*as->mcp == (ai|ARMI_LS_P|ARMI_LS_U|ARMF_D(rd^1)|ARMF_N(rn)|(ofs^4)) && - (ai & ~(ARMI_LDR^ARMI_STR)) == ARMI_STR && rd != rn && - (uint32_t)ofs <= 252 && !(ofs & 3) && !((rd ^ (ofs >>2)) & 1) && - as->mcp != as->mcloop) { - as->mcp++; - emit_lsox(as, ai == ARMI_LDR ? ARMI_LDRD : ARMI_STRD, rd&~1, rn, ofs&~4); - return; - } - if (ofs < 0) ofs = -ofs; else ai |= ARMI_LS_U; - *--as->mcp = ai | ARMI_LS_P | ARMF_D(rd) | ARMF_N(rn) | ofs; -} - -/* -- Emit loads/stores --------------------------------------------------- */ - -/* Prefer spills of BASE/L. */ -#define emit_canremat(ref) ((ref) < ASMREF_L) - -/* Try to find a one step delta relative to another constant. */ -static int emit_kdelta1(ASMState *as, Reg d, int32_t i) -{ - RegSet work = ~as->freeset & RSET_GPR; - while (work) { - Reg r = rset_picktop(work); - IRRef ref = regcost_ref(as->cost[r]); - lua_assert(r != d); - if (emit_canremat(ref)) { - int32_t delta = i - (ra_iskref(ref) ? ra_krefk(as, ref) : IR(ref)->i); - uint32_t k = emit_isk12(ARMI_ADD, delta); - if (k) { - if (k == ARMI_K12) - emit_dm(as, ARMI_MOV, d, r); - else - emit_dn(as, ARMI_ADD^k, d, r); - return 1; - } - } - rset_clear(work, r); - } - return 0; /* Failed. */ -} - -/* Try to find a two step delta relative to another constant. */ -static int emit_kdelta2(ASMState *as, Reg d, int32_t i) -{ - RegSet work = ~as->freeset & RSET_GPR; - while (work) { - Reg r = rset_picktop(work); - IRRef ref = regcost_ref(as->cost[r]); - lua_assert(r != d); - if (emit_canremat(ref)) { - int32_t delta = i - (ra_iskref(ref) ? ra_krefk(as, ref) : IR(ref)->i); - uint32_t sh, inv = 0, k2, k; - if (delta < 0) { delta = -delta; inv = ARMI_ADD^ARMI_SUB; } - sh = lj_ffs(delta) & ~1; - k2 = emit_isk12(0, delta & (255 << sh)); - k = emit_isk12(0, delta & ~(255 << sh)); - if (k) { - emit_dn(as, ARMI_ADD^k2^inv, d, d); - emit_dn(as, ARMI_ADD^k^inv, d, r); - return 1; - } - } - rset_clear(work, r); - } - return 0; /* Failed. */ -} - -/* Load a 32 bit constant into a GPR. */ -static void emit_loadi(ASMState *as, Reg r, int32_t i) -{ - uint32_t k = emit_isk12(ARMI_MOV, i); - lua_assert(rset_test(as->freeset, r) || r == RID_TMP); - if (k) { - /* Standard K12 constant. */ - emit_d(as, ARMI_MOV^k, r); - } else if ((as->flags & JIT_F_ARMV6T2) && (uint32_t)i < 0x00010000u) { - /* 16 bit loword constant for ARMv6T2. */ - emit_d(as, ARMI_MOVW|(i & 0x0fff)|((i & 0xf000)<<4), r); - } else if (emit_kdelta1(as, r, i)) { - /* One step delta relative to another constant. */ - } else if ((as->flags & JIT_F_ARMV6T2)) { - /* 32 bit hiword/loword constant for ARMv6T2. */ - emit_d(as, ARMI_MOVT|((i>>16) & 0x0fff)|(((i>>16) & 0xf000)<<4), r); - emit_d(as, ARMI_MOVW|(i & 0x0fff)|((i & 0xf000)<<4), r); - } else if (emit_kdelta2(as, r, i)) { - /* Two step delta relative to another constant. */ - } else { - /* Otherwise construct the constant with up to 4 instructions. */ - /* NYI: use mvn+bic, use pc-relative loads. */ - for (;;) { - uint32_t sh = lj_ffs(i) & ~1; - int32_t m = i & (255 << sh); - i &= ~(255 << sh); - if (i == 0) { - emit_d(as, ARMI_MOV ^ emit_isk12(0, m), r); - break; - } - emit_dn(as, ARMI_ORR ^ emit_isk12(0, m), r, r); - } - } -} - -#define emit_loada(as, r, addr) emit_loadi(as, (r), i32ptr((addr))) - -static Reg ra_allock(ASMState *as, int32_t k, RegSet allow); - -/* Get/set from constant pointer. */ -static void emit_lsptr(ASMState *as, ARMIns ai, Reg r, void *p) -{ - int32_t i = i32ptr(p); - emit_lso(as, ai, r, ra_allock(as, (i & ~4095), rset_exclude(RSET_GPR, r)), - (i & 4095)); -} - -/* Get/set global_State fields. */ -#define emit_getgl(as, r, field) \ - emit_lsptr(as, ARMI_LDR, (r), (void *)&J2G(as->J)->field) -#define emit_setgl(as, r, field) \ - emit_lsptr(as, ARMI_STR, (r), (void *)&J2G(as->J)->field) - -/* Trace number is determined from pc of exit instruction. */ -#define emit_setvmstate(as, i) UNUSED(i) - -/* -- Emit control-flow instructions -------------------------------------- */ - -/* Label for internal jumps. */ -typedef MCode *MCLabel; - -/* Return label pointing to current PC. */ -#define emit_label(as) ((as)->mcp) - -static void emit_branch(ASMState *as, ARMIns ai, MCode *target) -{ - MCode *p = as->mcp; - ptrdiff_t delta = (target - p) - 1; - lua_assert(((delta + 0x00800000) >> 24) == 0); - *--p = ai | ((uint32_t)delta & 0x00ffffffu); - as->mcp = p; -} - -static void emit_call(ASMState *as, void *target) -{ - MCode *p = --as->mcp; - ptrdiff_t delta = ((char *)target - (char *)p) - 8; - if ((((delta>>2) + 0x00800000) >> 24) == 0) { - if ((delta & 1)) - *p = ARMI_BLX | ((uint32_t)(delta>>2) & 0x00ffffffu) | ((delta&2) << 27); - else - *p = ARMI_BL | ((uint32_t)(delta>>2) & 0x00ffffffu); - } else { /* Target out of range: need indirect call. But don't use R0-R3. */ - Reg r = ra_allock(as, i32ptr(target), RSET_RANGE(RID_R4, RID_R12+1)); - *p = ARMI_BLXr | ARMF_M(r); - } -} - -/* -- Emit generic operations --------------------------------------------- */ - -/* Generic move between two regs. */ -static void emit_movrr(ASMState *as, IRIns *ir, Reg dst, Reg src) -{ - lua_assert(!irt_isnum(ir->t)); UNUSED(ir); - if (as->mcp != as->mcloop) { /* Swap early registers for loads/stores. */ - MCode ins = *as->mcp, swp = (src^dst); - if ((ins & 0x0c000000) == 0x04000000 && (ins & 0x02000010) != 0x02000010) { - if (!((ins ^ (dst << 16)) & 0x000f0000)) - *as->mcp = ins ^ (swp << 16); /* Swap N in load/store. */ - if (!(ins & 0x00100000) && !((ins ^ (dst << 12)) & 0x0000f000)) - *as->mcp = ins ^ (swp << 12); /* Swap D in store. */ - } - } - emit_dm(as, ARMI_MOV, dst, src); -} - -/* Generic load of register from stack slot. */ -static void emit_spload(ASMState *as, IRIns *ir, Reg r, int32_t ofs) -{ - lua_assert(!irt_isnum(ir->t)); UNUSED(ir); - emit_lso(as, ARMI_LDR, r, RID_SP, ofs); -} - -/* Generic store of register to stack slot. */ -static void emit_spstore(ASMState *as, IRIns *ir, Reg r, int32_t ofs) -{ - lua_assert(!irt_isnum(ir->t)); UNUSED(ir); - emit_lso(as, ARMI_STR, r, RID_SP, ofs); -} - -/* Emit an arithmetic/logic operation with a constant operand. */ -static void emit_opk(ASMState *as, ARMIns ai, Reg dest, Reg src, - int32_t i, RegSet allow) -{ - uint32_t k = emit_isk12(ai, i); - if (k) - emit_dn(as, ai^k, dest, src); - else - emit_dnm(as, ai, dest, src, ra_allock(as, i, allow)); -} - -/* Add offset to pointer. */ -static void emit_addptr(ASMState *as, Reg r, int32_t ofs) -{ - if (ofs) - emit_opk(as, ARMI_ADD, r, r, ofs, rset_exclude(RSET_GPR, r)); -} - -#define emit_spsub(as, ofs) emit_addptr(as, RID_SP, -(ofs)) - diff --git a/libraries/luajit-2.0/src/lj_emit_ppc.h b/libraries/luajit-2.0/src/lj_emit_ppc.h deleted file mode 100644 index e44221c..0000000 --- a/libraries/luajit-2.0/src/lj_emit_ppc.h +++ /dev/null @@ -1,232 +0,0 @@ -/* -** PPC instruction emitter. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -/* -- Emit basic instructions --------------------------------------------- */ - -static void emit_tab(ASMState *as, PPCIns pi, Reg rt, Reg ra, Reg rb) -{ - *--as->mcp = pi | PPCF_T(rt) | PPCF_A(ra) | PPCF_B(rb); -} - -#define emit_asb(as, pi, ra, rs, rb) emit_tab(as, (pi), (rs), (ra), (rb)) -#define emit_as(as, pi, ra, rs) emit_tab(as, (pi), (rs), (ra), 0) -#define emit_ab(as, pi, ra, rb) emit_tab(as, (pi), 0, (ra), (rb)) - -static void emit_tai(ASMState *as, PPCIns pi, Reg rt, Reg ra, int32_t i) -{ - *--as->mcp = pi | PPCF_T(rt) | PPCF_A(ra) | (i & 0xffff); -} - -#define emit_ti(as, pi, rt, i) emit_tai(as, (pi), (rt), 0, (i)) -#define emit_ai(as, pi, ra, i) emit_tai(as, (pi), 0, (ra), (i)) -#define emit_asi(as, pi, ra, rs, i) emit_tai(as, (pi), (rs), (ra), (i)) - -#define emit_fab(as, pi, rf, ra, rb) \ - emit_tab(as, (pi), (rf)&31, (ra)&31, (rb)&31) -#define emit_fb(as, pi, rf, rb) emit_tab(as, (pi), (rf)&31, 0, (rb)&31) -#define emit_fac(as, pi, rf, ra, rc) \ - emit_tab(as, (pi) | PPCF_C((rc) & 31), (rf)&31, (ra)&31, 0) -#define emit_facb(as, pi, rf, ra, rc, rb) \ - emit_tab(as, (pi) | PPCF_C((rc) & 31), (rf)&31, (ra)&31, (rb)&31) -#define emit_fai(as, pi, rf, ra, i) emit_tai(as, (pi), (rf)&31, (ra), (i)) - -static void emit_rot(ASMState *as, PPCIns pi, Reg ra, Reg rs, - int32_t n, int32_t b, int32_t e) -{ - *--as->mcp = pi | PPCF_T(rs) | PPCF_A(ra) | PPCF_B(n) | - PPCF_MB(b) | PPCF_ME(e); -} - -static void emit_slwi(ASMState *as, Reg ra, Reg rs, int32_t n) -{ - lua_assert(n >= 0 && n < 32); - emit_rot(as, PPCI_RLWINM, ra, rs, n, 0, 31-n); -} - -static void emit_rotlwi(ASMState *as, Reg ra, Reg rs, int32_t n) -{ - lua_assert(n >= 0 && n < 32); - emit_rot(as, PPCI_RLWINM, ra, rs, n, 0, 31); -} - -/* -- Emit loads/stores --------------------------------------------------- */ - -/* Prefer rematerialization of BASE/L from global_State over spills. */ -#define emit_canremat(ref) ((ref) <= REF_BASE) - -/* Try to find a one step delta relative to another constant. */ -static int emit_kdelta1(ASMState *as, Reg t, int32_t i) -{ - RegSet work = ~as->freeset & RSET_GPR; - while (work) { - Reg r = rset_picktop(work); - IRRef ref = regcost_ref(as->cost[r]); - lua_assert(r != t); - if (ref < ASMREF_L) { - int32_t delta = i - (ra_iskref(ref) ? ra_krefk(as, ref) : IR(ref)->i); - if (checki16(delta)) { - emit_tai(as, PPCI_ADDI, t, r, delta); - return 1; - } - } - rset_clear(work, r); - } - return 0; /* Failed. */ -} - -/* Load a 32 bit constant into a GPR. */ -static void emit_loadi(ASMState *as, Reg r, int32_t i) -{ - if (checki16(i)) { - emit_ti(as, PPCI_LI, r, i); - } else { - if ((i & 0xffff)) { - int32_t jgl = i32ptr(J2G(as->J)); - if ((uint32_t)(i-jgl) < 65536) { - emit_tai(as, PPCI_ADDI, r, RID_JGL, i-jgl-32768); - return; - } else if (emit_kdelta1(as, r, i)) { - return; - } - emit_asi(as, PPCI_ORI, r, r, i); - } - emit_ti(as, PPCI_LIS, r, (i >> 16)); - } -} - -#define emit_loada(as, r, addr) emit_loadi(as, (r), i32ptr((addr))) - -static Reg ra_allock(ASMState *as, int32_t k, RegSet allow); - -/* Get/set from constant pointer. */ -static void emit_lsptr(ASMState *as, PPCIns pi, Reg r, void *p, RegSet allow) -{ - int32_t jgl = i32ptr(J2G(as->J)); - int32_t i = i32ptr(p); - Reg base; - if ((uint32_t)(i-jgl) < 65536) { - i = i-jgl-32768; - base = RID_JGL; - } else { - base = ra_allock(as, i-(int16_t)i, allow); - } - emit_tai(as, pi, r, base, i); -} - -#define emit_loadn(as, r, tv) \ - emit_lsptr(as, PPCI_LFD, ((r) & 31), (void *)(tv), RSET_GPR) - -/* Get/set global_State fields. */ -static void emit_lsglptr(ASMState *as, PPCIns pi, Reg r, int32_t ofs) -{ - emit_tai(as, pi, r, RID_JGL, ofs-32768); -} - -#define emit_getgl(as, r, field) \ - emit_lsglptr(as, PPCI_LWZ, (r), (int32_t)offsetof(global_State, field)) -#define emit_setgl(as, r, field) \ - emit_lsglptr(as, PPCI_STW, (r), (int32_t)offsetof(global_State, field)) - -/* Trace number is determined from per-trace exit stubs. */ -#define emit_setvmstate(as, i) UNUSED(i) - -/* -- Emit control-flow instructions -------------------------------------- */ - -/* Label for internal jumps. */ -typedef MCode *MCLabel; - -/* Return label pointing to current PC. */ -#define emit_label(as) ((as)->mcp) - -static void emit_condbranch(ASMState *as, PPCIns pi, PPCCC cc, MCode *target) -{ - MCode *p = as->mcp; - ptrdiff_t delta = ((char *)target - (char *)p) + 4; - lua_assert(((delta + 0x8000) >> 16) == 0); - pi ^= (delta & 0x8000) * (PPCF_Y/0x8000); - *--p = pi | PPCF_CC(cc) | ((uint32_t)delta & 0xffffu); - as->mcp = p; -} - -static void emit_call(ASMState *as, void *target) -{ - MCode *p = --as->mcp; - ptrdiff_t delta = (char *)target - (char *)p; - if ((((delta>>2) + 0x00800000) >> 24) == 0) { - *p = PPCI_BL | (delta & 0x03fffffcu); - } else { /* Target out of range: need indirect call. Don't use arg reg. */ - RegSet allow = RSET_GPR & ~RSET_RANGE(RID_R0, REGARG_LASTGPR+1); - Reg r = ra_allock(as, i32ptr(target), allow); - *p = PPCI_BCTRL; - p[-1] = PPCI_MTCTR | PPCF_T(r); - as->mcp = p-1; - } -} - -/* -- Emit generic operations --------------------------------------------- */ - -#define emit_mr(as, dst, src) \ - emit_asb(as, PPCI_MR, (dst), (src), (src)) - -/* Generic move between two regs. */ -static void emit_movrr(ASMState *as, IRIns *ir, Reg dst, Reg src) -{ - UNUSED(ir); - if (dst < RID_MAX_GPR) - emit_mr(as, dst, src); - else - emit_fb(as, PPCI_FMR, dst, src); -} - -/* Generic load of register from stack slot. */ -static void emit_spload(ASMState *as, IRIns *ir, Reg r, int32_t ofs) -{ - if (r < RID_MAX_GPR) - emit_tai(as, PPCI_LWZ, r, RID_SP, ofs); - else - emit_fai(as, irt_isnum(ir->t) ? PPCI_LFD : PPCI_LFS, r, RID_SP, ofs); -} - -/* Generic store of register to stack slot. */ -static void emit_spstore(ASMState *as, IRIns *ir, Reg r, int32_t ofs) -{ - if (r < RID_MAX_GPR) - emit_tai(as, PPCI_STW, r, RID_SP, ofs); - else - emit_fai(as, irt_isnum(ir->t) ? PPCI_STFD : PPCI_STFS, r, RID_SP, ofs); -} - -/* Emit a compare (for equality) with a constant operand. */ -static void emit_cmpi(ASMState *as, Reg r, int32_t k) -{ - if (checki16(k)) { - emit_ai(as, PPCI_CMPWI, r, k); - } else if (checku16(k)) { - emit_ai(as, PPCI_CMPLWI, r, k); - } else { - emit_ai(as, PPCI_CMPLWI, RID_TMP, k); - emit_asi(as, PPCI_XORIS, RID_TMP, r, (k >> 16)); - } -} - -/* Add offset to pointer. */ -static void emit_addptr(ASMState *as, Reg r, int32_t ofs) -{ - if (ofs) { - emit_tai(as, PPCI_ADDI, r, r, ofs); - if (!checki16(ofs)) - emit_tai(as, PPCI_ADDIS, r, r, (ofs + 32768) >> 16); - } -} - -static void emit_spsub(ASMState *as, int32_t ofs) -{ - if (ofs) { - emit_tai(as, PPCI_STWU, RID_TMP, RID_SP, -ofs); - emit_tai(as, PPCI_ADDI, RID_TMP, RID_SP, - CFRAME_SIZE + (as->parent ? as->parent->spadjust : 0)); - } -} - diff --git a/libraries/luajit-2.0/src/lj_emit_x86.h b/libraries/luajit-2.0/src/lj_emit_x86.h deleted file mode 100644 index 6c06184..0000000 --- a/libraries/luajit-2.0/src/lj_emit_x86.h +++ /dev/null @@ -1,457 +0,0 @@ -/* -** x86/x64 instruction emitter. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -/* -- Emit basic instructions --------------------------------------------- */ - -#define MODRM(mode, r1, r2) ((MCode)((mode)+(((r1)&7)<<3)+((r2)&7))) - -#if LJ_64 -#define REXRB(p, rr, rb) \ - { MCode rex = 0x40 + (((rr)>>1)&4) + (((rb)>>3)&1); \ - if (rex != 0x40) *--(p) = rex; } -#define FORCE_REX 0x200 -#define REX_64 (FORCE_REX|0x080000) -#else -#define REXRB(p, rr, rb) ((void)0) -#define FORCE_REX 0 -#define REX_64 0 -#endif - -#define emit_i8(as, i) (*--as->mcp = (MCode)(i)) -#define emit_i32(as, i) (*(int32_t *)(as->mcp-4) = (i), as->mcp -= 4) -#define emit_u32(as, u) (*(uint32_t *)(as->mcp-4) = (u), as->mcp -= 4) - -#define emit_x87op(as, xo) \ - (*(uint16_t *)(as->mcp-2) = (uint16_t)(xo), as->mcp -= 2) - -/* op */ -static LJ_AINLINE MCode *emit_op(x86Op xo, Reg rr, Reg rb, Reg rx, - MCode *p, int delta) -{ - int n = (int8_t)xo; -#if defined(__GNUC__) - if (__builtin_constant_p(xo) && n == -2) - p[delta-2] = (MCode)(xo >> 24); - else if (__builtin_constant_p(xo) && n == -3) - *(uint16_t *)(p+delta-3) = (uint16_t)(xo >> 16); - else -#endif - *(uint32_t *)(p+delta-5) = (uint32_t)xo; - p += n + delta; -#if LJ_64 - { - uint32_t rex = 0x40 + ((rr>>1)&(4+(FORCE_REX>>1)))+((rx>>2)&2)+((rb>>3)&1); - if (rex != 0x40) { - rex |= (rr >> 16); - if (n == -4) { *p = (MCode)rex; rex = (MCode)(xo >> 8); } - else if ((xo & 0xffffff) == 0x6600fd) { *p = (MCode)rex; rex = 0x66; } - *--p = (MCode)rex; - } - } -#else - UNUSED(rr); UNUSED(rb); UNUSED(rx); -#endif - return p; -} - -/* op + modrm */ -#define emit_opm(xo, mode, rr, rb, p, delta) \ - (p[(delta)-1] = MODRM((mode), (rr), (rb)), \ - emit_op((xo), (rr), (rb), 0, (p), (delta))) - -/* op + modrm + sib */ -#define emit_opmx(xo, mode, scale, rr, rb, rx, p) \ - (p[-1] = MODRM((scale), (rx), (rb)), \ - p[-2] = MODRM((mode), (rr), RID_ESP), \ - emit_op((xo), (rr), (rb), (rx), (p), -1)) - -/* op r1, r2 */ -static void emit_rr(ASMState *as, x86Op xo, Reg r1, Reg r2) -{ - MCode *p = as->mcp; - as->mcp = emit_opm(xo, XM_REG, r1, r2, p, 0); -} - -#if LJ_64 && defined(LUA_USE_ASSERT) -/* [addr] is sign-extended in x64 and must be in lower 2G (not 4G). */ -static int32_t ptr2addr(const void *p) -{ - lua_assert((uintptr_t)p < (uintptr_t)0x80000000); - return i32ptr(p); -} -#else -#define ptr2addr(p) (i32ptr((p))) -#endif - -/* op r, [addr] */ -static void emit_rma(ASMState *as, x86Op xo, Reg rr, const void *addr) -{ - MCode *p = as->mcp; - *(int32_t *)(p-4) = ptr2addr(addr); -#if LJ_64 - p[-5] = MODRM(XM_SCALE1, RID_ESP, RID_EBP); - as->mcp = emit_opm(xo, XM_OFS0, rr, RID_ESP, p, -5); -#else - as->mcp = emit_opm(xo, XM_OFS0, rr, RID_EBP, p, -4); -#endif -} - -/* op r, [base+ofs] */ -static void emit_rmro(ASMState *as, x86Op xo, Reg rr, Reg rb, int32_t ofs) -{ - MCode *p = as->mcp; - x86Mode mode; - if (ra_hasreg(rb)) { - if (ofs == 0 && (rb&7) != RID_EBP) { - mode = XM_OFS0; - } else if (checki8(ofs)) { - *--p = (MCode)ofs; - mode = XM_OFS8; - } else { - p -= 4; - *(int32_t *)p = ofs; - mode = XM_OFS32; - } - if ((rb&7) == RID_ESP) - *--p = MODRM(XM_SCALE1, RID_ESP, RID_ESP); - } else { - *(int32_t *)(p-4) = ofs; -#if LJ_64 - p[-5] = MODRM(XM_SCALE1, RID_ESP, RID_EBP); - p -= 5; - rb = RID_ESP; -#else - p -= 4; - rb = RID_EBP; -#endif - mode = XM_OFS0; - } - as->mcp = emit_opm(xo, mode, rr, rb, p, 0); -} - -/* op r, [base+idx*scale+ofs] */ -static void emit_rmrxo(ASMState *as, x86Op xo, Reg rr, Reg rb, Reg rx, - x86Mode scale, int32_t ofs) -{ - MCode *p = as->mcp; - x86Mode mode; - if (ofs == 0 && (rb&7) != RID_EBP) { - mode = XM_OFS0; - } else if (checki8(ofs)) { - mode = XM_OFS8; - *--p = (MCode)ofs; - } else { - mode = XM_OFS32; - p -= 4; - *(int32_t *)p = ofs; - } - as->mcp = emit_opmx(xo, mode, scale, rr, rb, rx, p); -} - -/* op r, i */ -static void emit_gri(ASMState *as, x86Group xg, Reg rb, int32_t i) -{ - MCode *p = as->mcp; - x86Op xo; - if (checki8(i)) { - *--p = (MCode)i; - xo = XG_TOXOi8(xg); - } else { - p -= 4; - *(int32_t *)p = i; - xo = XG_TOXOi(xg); - } - as->mcp = emit_opm(xo, XM_REG, (Reg)(xg & 7) | (rb & REX_64), rb, p, 0); -} - -/* op [base+ofs], i */ -static void emit_gmroi(ASMState *as, x86Group xg, Reg rb, int32_t ofs, - int32_t i) -{ - x86Op xo; - if (checki8(i)) { - emit_i8(as, i); - xo = XG_TOXOi8(xg); - } else { - emit_i32(as, i); - xo = XG_TOXOi(xg); - } - emit_rmro(as, xo, (Reg)(xg & 7), rb, ofs); -} - -#define emit_shifti(as, xg, r, i) \ - (emit_i8(as, (i)), emit_rr(as, XO_SHIFTi, (Reg)(xg), (r))) - -/* op r, rm/mrm */ -static void emit_mrm(ASMState *as, x86Op xo, Reg rr, Reg rb) -{ - MCode *p = as->mcp; - x86Mode mode = XM_REG; - if (rb == RID_MRM) { - rb = as->mrm.base; - if (rb == RID_NONE) { - rb = RID_EBP; - mode = XM_OFS0; - p -= 4; - *(int32_t *)p = as->mrm.ofs; - if (as->mrm.idx != RID_NONE) - goto mrmidx; -#if LJ_64 - *--p = MODRM(XM_SCALE1, RID_ESP, RID_EBP); - rb = RID_ESP; -#endif - } else { - if (as->mrm.ofs == 0 && (rb&7) != RID_EBP) { - mode = XM_OFS0; - } else if (checki8(as->mrm.ofs)) { - *--p = (MCode)as->mrm.ofs; - mode = XM_OFS8; - } else { - p -= 4; - *(int32_t *)p = as->mrm.ofs; - mode = XM_OFS32; - } - if (as->mrm.idx != RID_NONE) { - mrmidx: - as->mcp = emit_opmx(xo, mode, as->mrm.scale, rr, rb, as->mrm.idx, p); - return; - } - if ((rb&7) == RID_ESP) - *--p = MODRM(XM_SCALE1, RID_ESP, RID_ESP); - } - } - as->mcp = emit_opm(xo, mode, rr, rb, p, 0); -} - -/* op rm/mrm, i */ -static void emit_gmrmi(ASMState *as, x86Group xg, Reg rb, int32_t i) -{ - x86Op xo; - if (checki8(i)) { - emit_i8(as, i); - xo = XG_TOXOi8(xg); - } else { - emit_i32(as, i); - xo = XG_TOXOi(xg); - } - emit_mrm(as, xo, (Reg)(xg & 7) | (rb & REX_64), (rb & ~REX_64)); -} - -/* -- Emit loads/stores --------------------------------------------------- */ - -/* Instruction selection for XMM moves. */ -#define XMM_MOVRR(as) ((as->flags & JIT_F_SPLIT_XMM) ? XO_MOVSD : XO_MOVAPS) -#define XMM_MOVRM(as) ((as->flags & JIT_F_SPLIT_XMM) ? XO_MOVLPD : XO_MOVSD) - -/* mov [base+ofs], i */ -static void emit_movmroi(ASMState *as, Reg base, int32_t ofs, int32_t i) -{ - emit_i32(as, i); - emit_rmro(as, XO_MOVmi, 0, base, ofs); -} - -/* mov [base+ofs], r */ -#define emit_movtomro(as, r, base, ofs) \ - emit_rmro(as, XO_MOVto, (r), (base), (ofs)) - -/* Get/set global_State fields. */ -#define emit_opgl(as, xo, r, field) \ - emit_rma(as, (xo), (r), (void *)&J2G(as->J)->field) -#define emit_getgl(as, r, field) emit_opgl(as, XO_MOV, (r), field) -#define emit_setgl(as, r, field) emit_opgl(as, XO_MOVto, (r), field) - -#define emit_setvmstate(as, i) \ - (emit_i32(as, i), emit_opgl(as, XO_MOVmi, 0, vmstate)) - -/* mov r, i / xor r, r */ -static void emit_loadi(ASMState *as, Reg r, int32_t i) -{ - /* XOR r,r is shorter, but modifies the flags. This is bad for HIOP. */ - if (i == 0 && !(LJ_32 && (IR(as->curins)->o == IR_HIOP || - (as->curins+1 < as->T->nins && - IR(as->curins+1)->o == IR_HIOP)))) { - emit_rr(as, XO_ARITH(XOg_XOR), r, r); - } else { - MCode *p = as->mcp; - *(int32_t *)(p-4) = i; - p[-5] = (MCode)(XI_MOVri+(r&7)); - p -= 5; - REXRB(p, 0, r); - as->mcp = p; - } -} - -/* mov r, addr */ -#define emit_loada(as, r, addr) \ - emit_loadi(as, (r), ptr2addr((addr))) - -#if LJ_64 -/* mov r, imm64 or shorter 32 bit extended load. */ -static void emit_loadu64(ASMState *as, Reg r, uint64_t u64) -{ - if (checku32(u64)) { /* 32 bit load clears upper 32 bits. */ - emit_loadi(as, r, (int32_t)u64); - } else if (checki32((int64_t)u64)) { /* Sign-extended 32 bit load. */ - MCode *p = as->mcp; - *(int32_t *)(p-4) = (int32_t)u64; - as->mcp = emit_opm(XO_MOVmi, XM_REG, REX_64, r, p, -4); - } else { /* Full-size 64 bit load. */ - MCode *p = as->mcp; - *(uint64_t *)(p-8) = u64; - p[-9] = (MCode)(XI_MOVri+(r&7)); - p[-10] = 0x48 + ((r>>3)&1); - p -= 10; - as->mcp = p; - } -} -#endif - -/* movsd r, [&tv->n] / xorps r, r */ -static void emit_loadn(ASMState *as, Reg r, cTValue *tv) -{ - if (tvispzero(tv)) /* Use xor only for +0. */ - emit_rr(as, XO_XORPS, r, r); - else - emit_rma(as, XMM_MOVRM(as), r, &tv->n); -} - -/* -- Emit control-flow instructions -------------------------------------- */ - -/* Label for short jumps. */ -typedef MCode *MCLabel; - -#if LJ_32 && LJ_HASFFI -/* jmp short target */ -static void emit_sjmp(ASMState *as, MCLabel target) -{ - MCode *p = as->mcp; - ptrdiff_t delta = target - p; - lua_assert(delta == (int8_t)delta); - p[-1] = (MCode)(int8_t)delta; - p[-2] = XI_JMPs; - as->mcp = p - 2; -} -#endif - -/* jcc short target */ -static void emit_sjcc(ASMState *as, int cc, MCLabel target) -{ - MCode *p = as->mcp; - ptrdiff_t delta = target - p; - lua_assert(delta == (int8_t)delta); - p[-1] = (MCode)(int8_t)delta; - p[-2] = (MCode)(XI_JCCs+(cc&15)); - as->mcp = p - 2; -} - -/* jcc short (pending target) */ -static MCLabel emit_sjcc_label(ASMState *as, int cc) -{ - MCode *p = as->mcp; - p[-1] = 0; - p[-2] = (MCode)(XI_JCCs+(cc&15)); - as->mcp = p - 2; - return p; -} - -/* Fixup jcc short target. */ -static void emit_sfixup(ASMState *as, MCLabel source) -{ - source[-1] = (MCode)(as->mcp-source); -} - -/* Return label pointing to current PC. */ -#define emit_label(as) ((as)->mcp) - -/* Compute relative 32 bit offset for jump and call instructions. */ -static LJ_AINLINE int32_t jmprel(MCode *p, MCode *target) -{ - ptrdiff_t delta = target - p; - lua_assert(delta == (int32_t)delta); - return (int32_t)delta; -} - -/* jcc target */ -static void emit_jcc(ASMState *as, int cc, MCode *target) -{ - MCode *p = as->mcp; - *(int32_t *)(p-4) = jmprel(p, target); - p[-5] = (MCode)(XI_JCCn+(cc&15)); - p[-6] = 0x0f; - as->mcp = p - 6; -} - -/* call target */ -static void emit_call_(ASMState *as, MCode *target) -{ - MCode *p = as->mcp; -#if LJ_64 - if (target-p != (int32_t)(target-p)) { - /* Assumes RID_RET is never an argument to calls and always clobbered. */ - emit_rr(as, XO_GROUP5, XOg_CALL, RID_RET); - emit_loadu64(as, RID_RET, (uint64_t)target); - return; - } -#endif - *(int32_t *)(p-4) = jmprel(p, target); - p[-5] = XI_CALL; - as->mcp = p - 5; -} - -#define emit_call(as, f) emit_call_(as, (MCode *)(void *)(f)) - -/* -- Emit generic operations --------------------------------------------- */ - -/* Use 64 bit operations to handle 64 bit IR types. */ -#if LJ_64 -#define REX_64IR(ir, r) ((r) + (irt_is64((ir)->t) ? REX_64 : 0)) -#else -#define REX_64IR(ir, r) (r) -#endif - -/* Generic move between two regs. */ -static void emit_movrr(ASMState *as, IRIns *ir, Reg dst, Reg src) -{ - UNUSED(ir); - if (dst < RID_MAX_GPR) - emit_rr(as, XO_MOV, REX_64IR(ir, dst), src); - else - emit_rr(as, XMM_MOVRR(as), dst, src); -} - -/* Generic load of register from stack slot. */ -static void emit_spload(ASMState *as, IRIns *ir, Reg r, int32_t ofs) -{ - if (r < RID_MAX_GPR) - emit_rmro(as, XO_MOV, REX_64IR(ir, r), RID_ESP, ofs); - else - emit_rmro(as, irt_isnum(ir->t) ? XMM_MOVRM(as) : XO_MOVSS, r, RID_ESP, ofs); -} - -/* Generic store of register to stack slot. */ -static void emit_spstore(ASMState *as, IRIns *ir, Reg r, int32_t ofs) -{ - if (r < RID_MAX_GPR) - emit_rmro(as, XO_MOVto, REX_64IR(ir, r), RID_ESP, ofs); - else - emit_rmro(as, irt_isnum(ir->t) ? XO_MOVSDto : XO_MOVSSto, r, RID_ESP, ofs); -} - -/* Add offset to pointer. */ -static void emit_addptr(ASMState *as, Reg r, int32_t ofs) -{ - if (ofs) { - if ((as->flags & JIT_F_LEA_AGU)) - emit_rmro(as, XO_LEA, r, r, ofs); - else - emit_gri(as, XG_ARITHi(XOg_ADD), r, ofs); - } -} - -#define emit_spsub(as, ofs) emit_addptr(as, RID_ESP|REX_64, -(ofs)) - -/* Prefer rematerialization of BASE/L from global_State over spills. */ -#define emit_canremat(ref) ((ref) <= REF_BASE) - diff --git a/libraries/luajit-2.0/src/lj_err.c b/libraries/luajit-2.0/src/lj_err.c deleted file mode 100644 index b0f3e5c..0000000 --- a/libraries/luajit-2.0/src/lj_err.c +++ /dev/null @@ -1,736 +0,0 @@ -/* -** Error handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_err_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_err.h" -#include "lj_debug.h" -#include "lj_str.h" -#include "lj_func.h" -#include "lj_state.h" -#include "lj_frame.h" -#include "lj_ff.h" -#include "lj_trace.h" -#include "lj_vm.h" - -/* -** LuaJIT can either use internal or external frame unwinding: -** -** - Internal frame unwinding (INT) is free-standing and doesn't require -** any OS or library support. -** -** - External frame unwinding (EXT) uses the system-provided unwind handler. -** -** Pros and Cons: -** -** - EXT requires unwind tables for *all* functions on the C stack between -** the pcall/catch and the error/throw. This is the default on x64, -** but needs to be manually enabled on x86/PPC for non-C++ code. -** -** - INT is faster when actually throwing errors (but this happens rarely). -** Setting up error handlers is zero-cost in any case. -** -** - EXT provides full interoperability with C++ exceptions. You can throw -** Lua errors or C++ exceptions through a mix of Lua frames and C++ frames. -** C++ destructors are called as needed. C++ exceptions caught by pcall -** are converted to the string "C++ exception". Lua errors can be caught -** with catch (...) in C++. -** -** - INT has only limited support for automatically catching C++ exceptions -** on POSIX systems using DWARF2 stack unwinding. Other systems may use -** the wrapper function feature. Lua errors thrown through C++ frames -** cannot be caught by C++ code and C++ destructors are not run. -** -** EXT is the default on x64 systems, INT is the default on all other systems. -** -** EXT can be manually enabled on POSIX systems using GCC and DWARF2 stack -** unwinding with -DLUAJIT_UNWIND_EXTERNAL. *All* C code must be compiled -** with -funwind-tables (or -fexceptions). This includes LuaJIT itself (set -** TARGET_CFLAGS), all of your C/Lua binding code, all loadable C modules -** and all C libraries that have callbacks which may be used to call back -** into Lua. C++ code must *not* be compiled with -fno-exceptions. -** -** EXT cannot be enabled on WIN32 since system exceptions use code-driven SEH. -** EXT is mandatory on WIN64 since the calling convention has an abundance -** of callee-saved registers (rbx, rbp, rsi, rdi, r12-r15, xmm6-xmm15). -** EXT is mandatory on POSIX/x64 since the interpreter doesn't save r12/r13. -*/ - -#if defined(__GNUC__) && (LJ_TARGET_X64 || defined(LUAJIT_UNWIND_EXTERNAL)) -#define LJ_UNWIND_EXT 1 -#elif LJ_TARGET_X64 && LJ_TARGET_WINDOWS -#define LJ_UNWIND_EXT 1 -#endif - -/* -- Error messages ------------------------------------------------------ */ - -/* Error message strings. */ -LJ_DATADEF const char *lj_err_allmsg = -#define ERRDEF(name, msg) msg "\0" -#include "lj_errmsg.h" -; - -/* -- Internal frame unwinding -------------------------------------------- */ - -/* Unwind Lua stack and move error message to new top. */ -LJ_NOINLINE static void unwindstack(lua_State *L, TValue *top) -{ - lj_func_closeuv(L, top); - if (top < L->top-1) { - copyTV(L, top, L->top-1); - L->top = top+1; - } - lj_state_relimitstack(L); -} - -/* Unwind until stop frame. Optionally cleanup frames. */ -static void *err_unwind(lua_State *L, void *stopcf, int errcode) -{ - TValue *frame = L->base-1; - void *cf = L->cframe; - while (cf) { - int32_t nres = cframe_nres(cframe_raw(cf)); - if (nres < 0) { /* C frame without Lua frame? */ - TValue *top = restorestack(L, -nres); - if (frame < top) { /* Frame reached? */ - if (errcode) { - L->cframe = cframe_prev(cf); - L->base = frame+1; - unwindstack(L, top); - } - return cf; - } - } - if (frame <= tvref(L->stack)) - break; - switch (frame_typep(frame)) { - case FRAME_LUA: /* Lua frame. */ - case FRAME_LUAP: - frame = frame_prevl(frame); - break; - case FRAME_C: /* C frame. */ -#if LJ_HASFFI - unwind_c: -#endif -#if LJ_UNWIND_EXT - if (errcode) { - L->cframe = cframe_prev(cf); - L->base = frame_prevd(frame) + 1; - unwindstack(L, frame); - } else if (cf != stopcf) { - cf = cframe_prev(cf); - frame = frame_prevd(frame); - break; - } - return NULL; /* Continue unwinding. */ -#else - UNUSED(stopcf); - cf = cframe_prev(cf); - frame = frame_prevd(frame); - break; -#endif - case FRAME_CP: /* Protected C frame. */ - if (cframe_canyield(cf)) { /* Resume? */ - if (errcode) { - L->cframe = NULL; - L->status = (uint8_t)errcode; - } - return cf; - } - if (errcode) { - L->cframe = cframe_prev(cf); - L->base = frame_prevd(frame) + 1; - unwindstack(L, frame); - } - return cf; - case FRAME_CONT: /* Continuation frame. */ -#if LJ_HASFFI - if ((frame-1)->u32.lo == LJ_CONT_FFI_CALLBACK) - goto unwind_c; -#endif - case FRAME_VARG: /* Vararg frame. */ - frame = frame_prevd(frame); - break; - case FRAME_PCALL: /* FF pcall() frame. */ - case FRAME_PCALLH: /* FF pcall() frame inside hook. */ - if (errcode) { - if (errcode == LUA_YIELD) { - frame = frame_prevd(frame); - break; - } - if (frame_typep(frame) == FRAME_PCALL) - hook_leave(G(L)); - L->cframe = cf; - L->base = frame_prevd(frame) + 1; - unwindstack(L, L->base); - } - return (void *)((intptr_t)cf | CFRAME_UNWIND_FF); - } - } - /* No C frame. */ - if (errcode) { - L->cframe = NULL; - L->base = tvref(L->stack)+1; - unwindstack(L, L->base); - if (G(L)->panic) - G(L)->panic(L); - exit(EXIT_FAILURE); - } - return L; /* Anything non-NULL will do. */ -} - -/* -- External frame unwinding -------------------------------------------- */ - -#if defined(__GNUC__) && !defined(LUAJIT_NO_UNWIND) - -#ifdef __clang__ -/* http://llvm.org/bugs/show_bug.cgi?id=8703 */ -#define __unwind_word__ word -#endif - -#include - -#if !LJ_TARGET_ARM - -#define LJ_UEXCLASS 0x4c55414a49543200ULL /* LUAJIT2\0 */ -#define LJ_UEXCLASS_MAKE(c) (LJ_UEXCLASS | (uint64_t)(c)) -#define LJ_UEXCLASS_CHECK(cl) (((cl) ^ LJ_UEXCLASS) <= 0xff) -#define LJ_UEXCLASS_ERRCODE(cl) ((int)((cl) & 0xff)) - -/* DWARF2 personality handler referenced from interpreter .eh_frame. */ -LJ_FUNCA int lj_err_unwind_dwarf(int version, _Unwind_Action actions, - uint64_t uexclass, struct _Unwind_Exception *uex, - struct _Unwind_Context *ctx) -{ - void *cf; - lua_State *L; - if (version != 1) - return _URC_FATAL_PHASE1_ERROR; - UNUSED(uexclass); - cf = (void *)_Unwind_GetCFA(ctx); - L = cframe_L(cf); - if ((actions & _UA_SEARCH_PHASE)) { -#if LJ_UNWIND_EXT - if (err_unwind(L, cf, 0) == NULL) - return _URC_CONTINUE_UNWIND; -#endif - if (!LJ_UEXCLASS_CHECK(uexclass)) { - setstrV(L, L->top++, lj_err_str(L, LJ_ERR_ERRCPP)); - } - return _URC_HANDLER_FOUND; - } - if ((actions & _UA_CLEANUP_PHASE)) { - int errcode; - if (LJ_UEXCLASS_CHECK(uexclass)) { - errcode = LJ_UEXCLASS_ERRCODE(uexclass); - } else { - if ((actions & _UA_HANDLER_FRAME)) - _Unwind_DeleteException(uex); - errcode = LUA_ERRRUN; - } -#if LJ_UNWIND_EXT - cf = err_unwind(L, cf, errcode); - if ((actions & _UA_FORCE_UNWIND)) { - return _URC_CONTINUE_UNWIND; - } else if (cf) { - _Unwind_SetGR(ctx, LJ_TARGET_EHRETREG, errcode); - _Unwind_SetIP(ctx, (uintptr_t)(cframe_unwind_ff(cf) ? - lj_vm_unwind_ff_eh : - lj_vm_unwind_c_eh)); - return _URC_INSTALL_CONTEXT; - } -#if LJ_TARGET_X86ORX64 - else if ((actions & _UA_HANDLER_FRAME)) { - /* Workaround for ancient libgcc bug. Still present in RHEL 5.5. :-/ - ** Real fix: http://gcc.gnu.org/viewcvs/trunk/gcc/unwind-dw2.c?r1=121165&r2=124837&pathrev=153877&diff_format=h - */ - _Unwind_SetGR(ctx, LJ_TARGET_EHRETREG, errcode); - _Unwind_SetIP(ctx, (uintptr_t)lj_vm_unwind_rethrow); - return _URC_INSTALL_CONTEXT; - } -#endif -#else - /* This is not the proper way to escape from the unwinder. We get away with - ** it on x86/PPC because the interpreter restores all callee-saved regs. - */ - lj_err_throw(L, errcode); -#endif - } - return _URC_CONTINUE_UNWIND; -} - -#if LJ_UNWIND_EXT -#if LJ_TARGET_OSX -/* Sorry, no thread safety for OSX. Complain to Apple, not me. */ -static struct _Unwind_Exception static_uex; -#else -static __thread struct _Unwind_Exception static_uex; -#endif - -/* Raise DWARF2 exception. */ -static void err_raise_ext(int errcode) -{ - static_uex.exception_class = LJ_UEXCLASS_MAKE(errcode); - static_uex.exception_cleanup = NULL; - _Unwind_RaiseException(&static_uex); -} -#endif - -#else - -/* ARM unwinder personality handler referenced from interpreter .ARM.extab. */ -LJ_FUNCA _Unwind_Reason_Code lj_err_unwind_arm(_Unwind_State state, - _Unwind_Control_Block *ucb, - _Unwind_Context *ctx) -{ - void *cf = (void *)_Unwind_GetGR(ctx, 13); - lua_State *L = cframe_L(cf); - if ((state & _US_ACTION_MASK) == _US_VIRTUAL_UNWIND_FRAME) { - setstrV(L, L->top++, lj_err_str(L, LJ_ERR_ERRCPP)); - return _URC_HANDLER_FOUND; - } - if ((state&(_US_ACTION_MASK|_US_FORCE_UNWIND)) == _US_UNWIND_FRAME_STARTING) { - _Unwind_DeleteException(ucb); - _Unwind_SetGR(ctx, 15, (_Unwind_Word)(void *)lj_err_throw); - _Unwind_SetGR(ctx, 0, (_Unwind_Word)L); - _Unwind_SetGR(ctx, 1, (_Unwind_Word)LUA_ERRRUN); - return _URC_INSTALL_CONTEXT; - } - if (__gnu_unwind_frame(ucb, ctx) != _URC_OK) - return _URC_FAILURE; - return _URC_CONTINUE_UNWIND; -} - -#endif - -#elif LJ_TARGET_X64 && LJ_TARGET_WINDOWS - -/* -** Someone in Redmond owes me several days of my life. A lot of this is -** undocumented or just plain wrong on MSDN. Some of it can be gathered -** from 3rd party docs or must be found by trial-and-error. They really -** don't want you to write your own language-specific exception handler -** or to interact gracefully with MSVC. :-( -** -** Apparently MSVC doesn't call C++ destructors for foreign exceptions -** unless you compile your C++ code with /EHa. Unfortunately this means -** catch (...) also catches things like access violations. The use of -** _set_se_translator doesn't really help, because it requires /EHa, too. -*/ - -#define WIN32_LEAN_AND_MEAN -#include - -/* Taken from: http://www.nynaeve.net/?p=99 */ -typedef struct UndocumentedDispatcherContext { - ULONG64 ControlPc; - ULONG64 ImageBase; - PRUNTIME_FUNCTION FunctionEntry; - ULONG64 EstablisherFrame; - ULONG64 TargetIp; - PCONTEXT ContextRecord; - PEXCEPTION_ROUTINE LanguageHandler; - PVOID HandlerData; - PUNWIND_HISTORY_TABLE HistoryTable; - ULONG ScopeIndex; - ULONG Fill0; -} UndocumentedDispatcherContext; - -#ifdef _MSC_VER -/* Another wild guess. */ -extern __DestructExceptionObject(EXCEPTION_RECORD *rec, int nothrow); -#endif - -#define LJ_MSVC_EXCODE ((DWORD)0xe06d7363) - -#define LJ_EXCODE ((DWORD)0xe24c4a00) -#define LJ_EXCODE_MAKE(c) (LJ_EXCODE | (DWORD)(c)) -#define LJ_EXCODE_CHECK(cl) (((cl) ^ LJ_EXCODE) <= 0xff) -#define LJ_EXCODE_ERRCODE(cl) ((int)((cl) & 0xff)) - -/* Win64 exception handler for interpreter frame. */ -LJ_FUNCA EXCEPTION_DISPOSITION lj_err_unwind_win64(EXCEPTION_RECORD *rec, - void *cf, CONTEXT *ctx, UndocumentedDispatcherContext *dispatch) -{ - lua_State *L = cframe_L(cf); - int errcode = LJ_EXCODE_CHECK(rec->ExceptionCode) ? - LJ_EXCODE_ERRCODE(rec->ExceptionCode) : LUA_ERRRUN; - if ((rec->ExceptionFlags & 6)) { /* EH_UNWINDING|EH_EXIT_UNWIND */ - /* Unwind internal frames. */ - err_unwind(L, cf, errcode); - } else { - void *cf2 = err_unwind(L, cf, 0); - if (cf2) { /* We catch it, so start unwinding the upper frames. */ - if (rec->ExceptionCode == LJ_MSVC_EXCODE) { -#ifdef _MSC_VER - __DestructExceptionObject(rec, 1); -#endif - setstrV(L, L->top++, lj_err_str(L, LJ_ERR_ERRCPP)); - } else if (!LJ_EXCODE_CHECK(rec->ExceptionCode)) { - /* Don't catch access violations etc. */ - return ExceptionContinueSearch; - } - /* Unwind the stack and call all handlers for all lower C frames - ** (including ourselves) again with EH_UNWINDING set. Then set - ** rsp = cf, rax = errcode and jump to the specified target. - */ - RtlUnwindEx(cf, (void *)((cframe_unwind_ff(cf2) && errcode != LUA_YIELD) ? - lj_vm_unwind_ff_eh : - lj_vm_unwind_c_eh), - rec, (void *)errcode, ctx, dispatch->HistoryTable); - /* RtlUnwindEx should never return. */ - } - } - return ExceptionContinueSearch; -} - -/* Raise Windows exception. */ -static void err_raise_ext(int errcode) -{ - RaiseException(LJ_EXCODE_MAKE(errcode), 1 /* EH_NONCONTINUABLE */, 0, NULL); -} - -#endif - -/* -- Error handling ------------------------------------------------------ */ - -/* Throw error. Find catch frame, unwind stack and continue. */ -LJ_NOINLINE void LJ_FASTCALL lj_err_throw(lua_State *L, int errcode) -{ - global_State *g = G(L); - lj_trace_abort(g); - setgcrefnull(g->jit_L); - L->status = 0; -#if LJ_UNWIND_EXT - err_raise_ext(errcode); - /* - ** A return from this function signals a corrupt C stack that cannot be - ** unwound. We have no choice but to call the panic function and exit. - ** - ** Usually this is caused by a C function without unwind information. - ** This should never happen on x64, but may happen if you've manually - ** enabled LUAJIT_UNWIND_EXTERNAL and forgot to recompile *every* - ** non-C++ file with -funwind-tables. - */ - if (G(L)->panic) - G(L)->panic(L); -#else - { - void *cf = err_unwind(L, NULL, errcode); - if (cframe_unwind_ff(cf)) - lj_vm_unwind_ff(cframe_raw(cf)); - else - lj_vm_unwind_c(cframe_raw(cf), errcode); - } -#endif - exit(EXIT_FAILURE); -} - -/* Return string object for error message. */ -LJ_NOINLINE GCstr *lj_err_str(lua_State *L, ErrMsg em) -{ - return lj_str_newz(L, err2msg(em)); -} - -/* Out-of-memory error. */ -LJ_NOINLINE void lj_err_mem(lua_State *L) -{ - if (L->status == LUA_ERRERR+1) /* Don't touch the stack during lua_open. */ - lj_vm_unwind_c(L->cframe, LUA_ERRMEM); - L->top = L->base; - setstrV(L, L->top++, lj_err_str(L, LJ_ERR_ERRMEM)); - lj_err_throw(L, LUA_ERRMEM); -} - -/* Find error function for runtime errors. Requires an extra stack traversal. */ -static ptrdiff_t finderrfunc(lua_State *L) -{ - cTValue *frame = L->base-1, *bot = tvref(L->stack); - void *cf = L->cframe; - while (frame > bot) { - lua_assert(cf != NULL); - while (cframe_nres(cframe_raw(cf)) < 0) { /* cframe without frame? */ - if (frame >= restorestack(L, -cframe_nres(cf))) - break; - if (cframe_errfunc(cf) >= 0) /* Error handler not inherited (-1)? */ - return cframe_errfunc(cf); - cf = cframe_prev(cf); /* Else unwind cframe and continue searching. */ - if (cf == NULL) - return 0; - } - switch (frame_typep(frame)) { - case FRAME_LUA: - case FRAME_LUAP: - frame = frame_prevl(frame); - break; - case FRAME_C: - cf = cframe_prev(cf); - /* fallthrough */ - case FRAME_CONT: -#if LJ_HASFFI - if ((frame-1)->u32.lo == LJ_CONT_FFI_CALLBACK) - cf = cframe_prev(cf); -#endif - case FRAME_VARG: - frame = frame_prevd(frame); - break; - case FRAME_CP: - if (cframe_canyield(cf)) return 0; - if (cframe_errfunc(cf) >= 0) - return cframe_errfunc(cf); - frame = frame_prevd(frame); - break; - case FRAME_PCALL: - case FRAME_PCALLH: - if (frame_ftsz(frame) >= (ptrdiff_t)(2*sizeof(TValue))) /* xpcall? */ - return savestack(L, frame-1); /* Point to xpcall's errorfunc. */ - return 0; - default: - lua_assert(0); - return 0; - } - } - return 0; -} - -/* Runtime error. */ -LJ_NOINLINE void lj_err_run(lua_State *L) -{ - ptrdiff_t ef = finderrfunc(L); - if (ef) { - TValue *errfunc = restorestack(L, ef); - TValue *top = L->top; - lj_trace_abort(G(L)); - if (!tvisfunc(errfunc) || L->status == LUA_ERRERR) { - setstrV(L, top-1, lj_err_str(L, LJ_ERR_ERRERR)); - lj_err_throw(L, LUA_ERRERR); - } - L->status = LUA_ERRERR; - copyTV(L, top, top-1); - copyTV(L, top-1, errfunc); - L->top = top+1; - lj_vm_call(L, top, 1+1); /* Stack: |errfunc|msg| -> |msg| */ - } - lj_err_throw(L, LUA_ERRRUN); -} - -/* Formatted runtime error message. */ -LJ_NORET LJ_NOINLINE static void err_msgv(lua_State *L, ErrMsg em, ...) -{ - const char *msg; - va_list argp; - va_start(argp, em); - if (curr_funcisL(L)) L->top = curr_topL(L); - msg = lj_str_pushvf(L, err2msg(em), argp); - va_end(argp); - lj_debug_addloc(L, msg, L->base-1, NULL); - lj_err_run(L); -} - -/* Non-vararg variant for better calling conventions. */ -LJ_NOINLINE void lj_err_msg(lua_State *L, ErrMsg em) -{ - err_msgv(L, em); -} - -/* Lexer error. */ -LJ_NOINLINE void lj_err_lex(lua_State *L, GCstr *src, const char *tok, - BCLine line, ErrMsg em, va_list argp) -{ - char buff[LUA_IDSIZE]; - const char *msg; - lj_debug_shortname(buff, src); - msg = lj_str_pushvf(L, err2msg(em), argp); - msg = lj_str_pushf(L, "%s:%d: %s", buff, line, msg); - if (tok) - lj_str_pushf(L, err2msg(LJ_ERR_XNEAR), msg, tok); - lj_err_throw(L, LUA_ERRSYNTAX); -} - -/* Typecheck error for operands. */ -LJ_NOINLINE void lj_err_optype(lua_State *L, cTValue *o, ErrMsg opm) -{ - const char *tname = typename(o); - const char *opname = err2msg(opm); - if (curr_funcisL(L)) { - GCproto *pt = curr_proto(L); - const BCIns *pc = cframe_Lpc(L) - 1; - const char *oname = NULL; - const char *kind = lj_debug_slotname(pt, pc, (BCReg)(o-L->base), &oname); - if (kind) - err_msgv(L, LJ_ERR_BADOPRT, opname, kind, oname, tname); - } - err_msgv(L, LJ_ERR_BADOPRV, opname, tname); -} - -/* Typecheck error for ordered comparisons. */ -LJ_NOINLINE void lj_err_comp(lua_State *L, cTValue *o1, cTValue *o2) -{ - const char *t1 = typename(o1); - const char *t2 = typename(o2); - err_msgv(L, t1 == t2 ? LJ_ERR_BADCMPV : LJ_ERR_BADCMPT, t1, t2); - /* This assumes the two "boolean" entries are commoned by the C compiler. */ -} - -/* Typecheck error for __call. */ -LJ_NOINLINE void lj_err_optype_call(lua_State *L, TValue *o) -{ - /* Gross hack if lua_[p]call or pcall/xpcall fail for a non-callable object: - ** L->base still points to the caller. So add a dummy frame with L instead - ** of a function. See lua_getstack(). - */ - const BCIns *pc = cframe_Lpc(L); - if (((ptrdiff_t)pc & FRAME_TYPE) != FRAME_LUA) { - const char *tname = typename(o); - setframe_pc(o, pc); - setframe_gc(o, obj2gco(L)); - L->top = L->base = o+1; - err_msgv(L, LJ_ERR_BADCALL, tname); - } - lj_err_optype(L, o, LJ_ERR_OPCALL); -} - -/* Error in context of caller. */ -LJ_NOINLINE void lj_err_callermsg(lua_State *L, const char *msg) -{ - TValue *frame = L->base-1; - TValue *pframe = NULL; - if (frame_islua(frame)) { - pframe = frame_prevl(frame); - } else if (frame_iscont(frame)) { -#if LJ_HASFFI - if ((frame-1)->u32.lo == LJ_CONT_FFI_CALLBACK) { - pframe = frame; - frame = NULL; - } else -#endif - { - pframe = frame_prevd(frame); -#if LJ_HASFFI - /* Remove frame for FFI metamethods. */ - if (frame_func(frame)->c.ffid >= FF_ffi_meta___index && - frame_func(frame)->c.ffid <= FF_ffi_meta___tostring) { - L->base = pframe+1; - L->top = frame; - } -#endif - } - } - lj_debug_addloc(L, msg, pframe, frame); - lj_err_run(L); -} - -/* Formatted error in context of caller. */ -LJ_NOINLINE void lj_err_callerv(lua_State *L, ErrMsg em, ...) -{ - const char *msg; - va_list argp; - va_start(argp, em); - msg = lj_str_pushvf(L, err2msg(em), argp); - va_end(argp); - lj_err_callermsg(L, msg); -} - -/* Error in context of caller. */ -LJ_NOINLINE void lj_err_caller(lua_State *L, ErrMsg em) -{ - lj_err_callermsg(L, err2msg(em)); -} - -/* Argument error message. */ -LJ_NORET LJ_NOINLINE static void err_argmsg(lua_State *L, int narg, - const char *msg) -{ - const char *fname = "?"; - const char *ftype = lj_debug_funcname(L, L->base - 1, &fname); - if (narg < 0 && narg > LUA_REGISTRYINDEX) - narg = (int)(L->top - L->base) + narg + 1; - if (ftype && ftype[3] == 'h' && --narg == 0) /* Check for "method". */ - msg = lj_str_pushf(L, err2msg(LJ_ERR_BADSELF), fname, msg); - else - msg = lj_str_pushf(L, err2msg(LJ_ERR_BADARG), narg, fname, msg); - lj_err_callermsg(L, msg); -} - -/* Formatted argument error. */ -LJ_NOINLINE void lj_err_argv(lua_State *L, int narg, ErrMsg em, ...) -{ - const char *msg; - va_list argp; - va_start(argp, em); - msg = lj_str_pushvf(L, err2msg(em), argp); - va_end(argp); - err_argmsg(L, narg, msg); -} - -/* Argument error. */ -LJ_NOINLINE void lj_err_arg(lua_State *L, int narg, ErrMsg em) -{ - err_argmsg(L, narg, err2msg(em)); -} - -/* Typecheck error for arguments. */ -LJ_NOINLINE void lj_err_argtype(lua_State *L, int narg, const char *xname) -{ - TValue *o = L->base + narg-1; - const char *tname = o < L->top ? typename(o) : lj_obj_typename[0]; - const char *msg = lj_str_pushf(L, err2msg(LJ_ERR_BADTYPE), xname, tname); - err_argmsg(L, narg, msg); -} - -/* Typecheck error for arguments. */ -LJ_NOINLINE void lj_err_argt(lua_State *L, int narg, int tt) -{ - lj_err_argtype(L, narg, lj_obj_typename[tt+1]); -} - -/* -- Public error handling API ------------------------------------------- */ - -LUA_API lua_CFunction lua_atpanic(lua_State *L, lua_CFunction panicf) -{ - lua_CFunction old = G(L)->panic; - G(L)->panic = panicf; - return old; -} - -/* Forwarders for the public API (C calling convention and no LJ_NORET). */ -LUA_API int lua_error(lua_State *L) -{ - lj_err_run(L); - return 0; /* unreachable */ -} - -LUALIB_API int luaL_argerror(lua_State *L, int narg, const char *msg) -{ - err_argmsg(L, narg, msg); - return 0; /* unreachable */ -} - -LUALIB_API int luaL_typerror(lua_State *L, int narg, const char *xname) -{ - lj_err_argtype(L, narg, xname); - return 0; /* unreachable */ -} - -LUALIB_API void luaL_where(lua_State *L, int level) -{ - int size; - cTValue *frame = lj_debug_frame(L, level, &size); - lj_debug_addloc(L, "", frame, size ? frame+size : NULL); -} - -LUALIB_API int luaL_error(lua_State *L, const char *fmt, ...) -{ - const char *msg; - va_list argp; - va_start(argp, fmt); - msg = lj_str_pushvf(L, fmt, argp); - va_end(argp); - lj_err_callermsg(L, msg); - return 0; /* unreachable */ -} - diff --git a/libraries/luajit-2.0/src/lj_err.h b/libraries/luajit-2.0/src/lj_err.h deleted file mode 100644 index c65f484..0000000 --- a/libraries/luajit-2.0/src/lj_err.h +++ /dev/null @@ -1,41 +0,0 @@ -/* -** Error handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_ERR_H -#define _LJ_ERR_H - -#include - -#include "lj_obj.h" - -typedef enum { -#define ERRDEF(name, msg) \ - LJ_ERR_##name, LJ_ERR_##name##_ = LJ_ERR_##name + sizeof(msg)-1, -#include "lj_errmsg.h" - LJ_ERR__MAX -} ErrMsg; - -LJ_DATA const char *lj_err_allmsg; -#define err2msg(em) (lj_err_allmsg+(int)(em)) - -LJ_FUNC GCstr *lj_err_str(lua_State *L, ErrMsg em); -LJ_FUNCA_NORET void LJ_FASTCALL lj_err_throw(lua_State *L, int errcode); -LJ_FUNC_NORET void lj_err_mem(lua_State *L); -LJ_FUNC_NORET void lj_err_run(lua_State *L); -LJ_FUNC_NORET void lj_err_msg(lua_State *L, ErrMsg em); -LJ_FUNC_NORET void lj_err_lex(lua_State *L, GCstr *src, const char *tok, - BCLine line, ErrMsg em, va_list argp); -LJ_FUNC_NORET void lj_err_optype(lua_State *L, cTValue *o, ErrMsg opm); -LJ_FUNC_NORET void lj_err_comp(lua_State *L, cTValue *o1, cTValue *o2); -LJ_FUNC_NORET void lj_err_optype_call(lua_State *L, TValue *o); -LJ_FUNC_NORET void lj_err_callermsg(lua_State *L, const char *msg); -LJ_FUNC_NORET void lj_err_callerv(lua_State *L, ErrMsg em, ...); -LJ_FUNC_NORET void lj_err_caller(lua_State *L, ErrMsg em); -LJ_FUNC_NORET void lj_err_arg(lua_State *L, int narg, ErrMsg em); -LJ_FUNC_NORET void lj_err_argv(lua_State *L, int narg, ErrMsg em, ...); -LJ_FUNC_NORET void lj_err_argtype(lua_State *L, int narg, const char *xname); -LJ_FUNC_NORET void lj_err_argt(lua_State *L, int narg, int tt); - -#endif diff --git a/libraries/luajit-2.0/src/lj_errmsg.h b/libraries/luajit-2.0/src/lj_errmsg.h deleted file mode 100644 index 10c8395..0000000 --- a/libraries/luajit-2.0/src/lj_errmsg.h +++ /dev/null @@ -1,173 +0,0 @@ -/* -** VM error messages. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -/* This file may be included multiple times with different ERRDEF macros. */ - -/* Basic error handling. */ -ERRDEF(ERRMEM, "not enough memory") -ERRDEF(ERRERR, "error in error handling") -ERRDEF(ERRCPP, "C++ exception") - -/* Allocations. */ -ERRDEF(STROV, "string length overflow") -ERRDEF(UDATAOV, "userdata length overflow") -ERRDEF(STKOV, "stack overflow") -ERRDEF(STKOVM, "stack overflow (%s)") -ERRDEF(TABOV, "table overflow") - -/* Table indexing. */ -ERRDEF(NANIDX, "table index is NaN") -ERRDEF(NILIDX, "table index is nil") -ERRDEF(NEXTIDX, "invalid key to " LUA_QL("next")) - -/* Metamethod resolving. */ -ERRDEF(BADCALL, "attempt to call a %s value") -ERRDEF(BADOPRT, "attempt to %s %s " LUA_QS " (a %s value)") -ERRDEF(BADOPRV, "attempt to %s a %s value") -ERRDEF(BADCMPT, "attempt to compare %s with %s") -ERRDEF(BADCMPV, "attempt to compare two %s values") -ERRDEF(GETLOOP, "loop in gettable") -ERRDEF(SETLOOP, "loop in settable") -ERRDEF(OPCALL, "call") -ERRDEF(OPINDEX, "index") -ERRDEF(OPARITH, "perform arithmetic on") -ERRDEF(OPCAT, "concatenate") -ERRDEF(OPLEN, "get length of") - -/* Type checks. */ -ERRDEF(BADSELF, "calling " LUA_QS " on bad self (%s)") -ERRDEF(BADARG, "bad argument #%d to " LUA_QS " (%s)") -ERRDEF(BADTYPE, "%s expected, got %s") -ERRDEF(BADVAL, "invalid value") -ERRDEF(NOVAL, "value expected") -ERRDEF(NOCORO, "coroutine expected") -ERRDEF(NOTABN, "nil or table expected") -ERRDEF(NOFUNCL, "function or level expected") -ERRDEF(NOSFT, "string/function/table expected") -ERRDEF(NOPROXY, "boolean or proxy expected") -ERRDEF(FORINIT, LUA_QL("for") " initial value must be a number") -ERRDEF(FORLIM, LUA_QL("for") " limit must be a number") -ERRDEF(FORSTEP, LUA_QL("for") " step must be a number") - -/* C API checks. */ -ERRDEF(NOENV, "no calling environment") -ERRDEF(CYIELD, "attempt to yield across C-call boundary") -ERRDEF(BADLU, "bad light userdata pointer") -ERRDEF(NOGCMM, "bad action while in __gc metamethod") -#if LJ_TARGET_WINDOWS -ERRDEF(BADFPU, "bad FPU precision (use D3DCREATE_FPU_PRESERVE with DirectX)") -#endif - -/* Standard library function errors. */ -ERRDEF(ASSERT, "assertion failed!") -ERRDEF(PROTMT, "cannot change a protected metatable") -ERRDEF(UNPACK, "too many results to unpack") -ERRDEF(RDRSTR, "reader function must return a string") -ERRDEF(PRTOSTR, LUA_QL("tostring") " must return a string to " LUA_QL("print")) -ERRDEF(IDXRNG, "index out of range") -ERRDEF(BASERNG, "base out of range") -ERRDEF(LVLRNG, "level out of range") -ERRDEF(INVLVL, "invalid level") -ERRDEF(INVOPT, "invalid option") -ERRDEF(INVOPTM, "invalid option " LUA_QS) -ERRDEF(INVFMT, "invalid format") -ERRDEF(SETFENV, LUA_QL("setfenv") " cannot change environment of given object") -ERRDEF(CORUN, "cannot resume running coroutine") -ERRDEF(CODEAD, "cannot resume dead coroutine") -ERRDEF(COSUSP, "cannot resume non-suspended coroutine") -ERRDEF(TABINS, "wrong number of arguments to " LUA_QL("insert")) -ERRDEF(TABCAT, "invalid value (%s) at index %d in table for " LUA_QL("concat")) -ERRDEF(TABSORT, "invalid order function for sorting") -ERRDEF(IOCLFL, "attempt to use a closed file") -ERRDEF(IOSTDCL, "standard file is closed") -ERRDEF(OSUNIQF, "unable to generate a unique filename") -ERRDEF(OSDATEF, "field " LUA_QS " missing in date table") -ERRDEF(STRDUMP, "unable to dump given function") -ERRDEF(STRSLC, "string slice too long") -ERRDEF(STRPATB, "missing " LUA_QL("[") " after " LUA_QL("%f") " in pattern") -ERRDEF(STRPATC, "invalid pattern capture") -ERRDEF(STRPATE, "malformed pattern (ends with " LUA_QL("%") ")") -ERRDEF(STRPATM, "malformed pattern (missing " LUA_QL("]") ")") -ERRDEF(STRPATU, "unbalanced pattern") -ERRDEF(STRCAPI, "invalid capture index") -ERRDEF(STRCAPN, "too many captures") -ERRDEF(STRCAPU, "unfinished capture") -ERRDEF(STRFMTO, "invalid option " LUA_QL("%%%c") " to " LUA_QL("format")) -ERRDEF(STRFMTR, "invalid format (repeated flags)") -ERRDEF(STRFMTW, "invalid format (width or precision too long)") -ERRDEF(STRGSRV, "invalid replacement value (a %s)") -ERRDEF(BADMODN, "name conflict for module " LUA_QS) -#if LJ_HASJIT -ERRDEF(NOJIT, "JIT compiler disabled, CPU does not support SSE2") -#elif defined(LJ_ARCH_NOJIT) -ERRDEF(NOJIT, "no JIT compiler for this architecture (yet)") -#else -ERRDEF(NOJIT, "JIT compiler permanently disabled by build option") -#endif -ERRDEF(JITOPT, "unknown or malformed optimization flag " LUA_QS) - -/* Lexer/parser errors. */ -ERRDEF(XNEAR, "%s near " LUA_QS) -ERRDEF(XELEM, "lexical element too long") -ERRDEF(XLINES, "chunk has too many lines") -ERRDEF(XLEVELS, "chunk has too many syntax levels") -ERRDEF(XNUMBER, "malformed number") -ERRDEF(XLSTR, "unfinished long string") -ERRDEF(XLCOM, "unfinished long comment") -ERRDEF(XSTR, "unfinished string") -ERRDEF(XESC, "invalid escape sequence") -ERRDEF(XLDELIM, "invalid long string delimiter") -ERRDEF(XTOKEN, LUA_QS " expected") -ERRDEF(XJUMP, "control structure too long") -ERRDEF(XSLOTS, "function or expression too complex") -ERRDEF(XLIMC, "chunk has more than %d local variables") -ERRDEF(XLIMM, "main function has more than %d %s") -ERRDEF(XLIMF, "function at line %d has more than %d %s") -ERRDEF(XMATCH, LUA_QS " expected (to close " LUA_QS " at line %d)") -ERRDEF(XFIXUP, "function too long for return fixup") -ERRDEF(XPARAM, " or " LUA_QL("...") " expected") -ERRDEF(XAMBIG, "ambiguous syntax (function call x new statement)") -ERRDEF(XFUNARG, "function arguments expected") -ERRDEF(XSYMBOL, "unexpected symbol") -ERRDEF(XDOTS, "cannot use " LUA_QL("...") " outside a vararg function") -ERRDEF(XSYNTAX, "syntax error") -ERRDEF(XBREAK, "no loop to break") -ERRDEF(XFOR, LUA_QL("=") " or " LUA_QL("in") " expected") - -/* Bytecode reader errors. */ -ERRDEF(BCFMT, "cannot load incompatible bytecode") -ERRDEF(BCBAD, "cannot load malformed bytecode") - -#if LJ_HASFFI -/* FFI errors. */ -ERRDEF(FFI_INVTYPE, "invalid C type") -ERRDEF(FFI_INVSIZE, "size of C type is unknown or too large") -ERRDEF(FFI_BADSCL, "bad storage class") -ERRDEF(FFI_DECLSPEC, "declaration specifier expected") -ERRDEF(FFI_BADTAG, "undeclared or implicit tag " LUA_QS) -ERRDEF(FFI_REDEF, "attempt to redefine " LUA_QS) -ERRDEF(FFI_INITOV, "too many initializers for " LUA_QS) -ERRDEF(FFI_BADCONV, "cannot convert " LUA_QS " to " LUA_QS) -ERRDEF(FFI_BADLEN, "attempt to get length of " LUA_QS) -ERRDEF(FFI_BADCONCAT, "attempt to concatenate " LUA_QS " and " LUA_QS) -ERRDEF(FFI_BADARITH, "attempt to perform arithmetic on " LUA_QS " and " LUA_QS) -ERRDEF(FFI_BADCOMP, "attempt to compare " LUA_QS " with " LUA_QS) -ERRDEF(FFI_BADCALL, LUA_QS " is not callable") -ERRDEF(FFI_NUMARG, "wrong number of arguments for function call") -ERRDEF(FFI_BADMEMBER, LUA_QS " has no member named " LUA_QS) -ERRDEF(FFI_BADIDX, LUA_QS " cannot be indexed") -ERRDEF(FFI_WRCONST, "attempt to write to constant location") -ERRDEF(FFI_NODECL, "missing declaration for symbol " LUA_QS) -ERRDEF(FFI_BADCBACK, "bad callback") -ERRDEF(FFI_CBACKOV, "too many callbacks") -ERRDEF(FFI_NYIPACKBIT, "NYI: packed bit fields") -ERRDEF(FFI_NYICALL, "NYI: cannot call this C function (yet)") -#endif - -#undef ERRDEF - -/* Detecting unused error messages: - awk -F, '/^ERRDEF/ { gsub(/ERRDEF./, ""); printf "grep -q LJ_ERR_%s *.[ch] || echo %s\n", $1, $1}' lj_errmsg.h | sh -*/ diff --git a/libraries/luajit-2.0/src/lj_ff.h b/libraries/luajit-2.0/src/lj_ff.h deleted file mode 100644 index 0b01e16..0000000 --- a/libraries/luajit-2.0/src/lj_ff.h +++ /dev/null @@ -1,18 +0,0 @@ -/* -** Fast function IDs. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_FF_H -#define _LJ_FF_H - -/* Fast function ID. */ -typedef enum { - FF_LUA_ = FF_LUA, /* Lua function (must be 0). */ - FF_C_ = FF_C, /* Regular C function (must be 1). */ -#define FFDEF(name) FF_##name, -#include "lj_ffdef.h" - FF__MAX -} FastFunc; - -#endif diff --git a/libraries/luajit-2.0/src/lj_ffrecord.c b/libraries/luajit-2.0/src/lj_ffrecord.c deleted file mode 100644 index 6cdd79a..0000000 --- a/libraries/luajit-2.0/src/lj_ffrecord.c +++ /dev/null @@ -1,855 +0,0 @@ -/* -** Fast function call recorder. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_ffrecord_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_frame.h" -#include "lj_bc.h" -#include "lj_ff.h" -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_ircall.h" -#include "lj_iropt.h" -#include "lj_trace.h" -#include "lj_record.h" -#include "lj_ffrecord.h" -#include "lj_crecord.h" -#include "lj_dispatch.h" -#include "lj_vm.h" - -/* Some local macros to save typing. Undef'd at the end. */ -#define IR(ref) (&J->cur.ir[(ref)]) - -/* Pass IR on to next optimization in chain (FOLD). */ -#define emitir(ot, a, b) (lj_ir_set(J, (ot), (a), (b)), lj_opt_fold(J)) - -/* -- Fast function recording handlers ------------------------------------ */ - -/* Conventions for fast function call handlers: -** -** The argument slots start at J->base[0]. All of them are guaranteed to be -** valid and type-specialized references. J->base[J->maxslot] is set to 0 -** as a sentinel. The runtime argument values start at rd->argv[0]. -** -** In general fast functions should check for presence of all of their -** arguments and for the correct argument types. Some simplifications -** are allowed if the interpreter throws instead. But even if recording -** is aborted, the generated IR must be consistent (no zero-refs). -** -** The number of results in rd->nres is set to 1. Handlers that return -** a different number of results need to override it. A negative value -** prevents return processing (e.g. for pending calls). -** -** Results need to be stored starting at J->base[0]. Return processing -** moves them to the right slots later. -** -** The per-ffid auxiliary data is the value of the 2nd part of the -** LJLIB_REC() annotation. This allows handling similar functionality -** in a common handler. -*/ - -/* Type of handler to record a fast function. */ -typedef void (LJ_FASTCALL *RecordFunc)(jit_State *J, RecordFFData *rd); - -/* Get runtime value of int argument. */ -static int32_t argv2int(jit_State *J, TValue *o) -{ - if (!tvisnumber(o) && !(tvisstr(o) && lj_str_tonumber(strV(o), o))) - lj_trace_err(J, LJ_TRERR_BADTYPE); - return tvisint(o) ? intV(o) : lj_num2int(numV(o)); -} - -/* Get runtime value of string argument. */ -static GCstr *argv2str(jit_State *J, TValue *o) -{ - if (LJ_LIKELY(tvisstr(o))) { - return strV(o); - } else { - GCstr *s; - if (!tvisnumber(o)) - lj_trace_err(J, LJ_TRERR_BADTYPE); - if (tvisint(o)) - s = lj_str_fromint(J->L, intV(o)); - else - s = lj_str_fromnum(J->L, &o->n); - setstrV(J->L, o, s); - return s; - } -} - -/* Return number of results wanted by caller. */ -static ptrdiff_t results_wanted(jit_State *J) -{ - TValue *frame = J->L->base-1; - if (frame_islua(frame)) - return (ptrdiff_t)bc_b(frame_pc(frame)[-1]) - 1; - else - return -1; -} - -/* Throw error for unsupported variant of fast function. */ -LJ_NORET static void recff_nyiu(jit_State *J) -{ - setfuncV(J->L, &J->errinfo, J->fn); - lj_trace_err_info(J, LJ_TRERR_NYIFFU); -} - -/* Fallback handler for all fast functions that are not recorded (yet). */ -static void LJ_FASTCALL recff_nyi(jit_State *J, RecordFFData *rd) -{ - setfuncV(J->L, &J->errinfo, J->fn); - lj_trace_err_info(J, LJ_TRERR_NYIFF); - UNUSED(rd); -} - -/* C functions can have arbitrary side-effects and are not recorded (yet). */ -static void LJ_FASTCALL recff_c(jit_State *J, RecordFFData *rd) -{ - setfuncV(J->L, &J->errinfo, J->fn); - lj_trace_err_info(J, LJ_TRERR_NYICF); - UNUSED(rd); -} - -/* -- Base library fast functions ----------------------------------------- */ - -static void LJ_FASTCALL recff_assert(jit_State *J, RecordFFData *rd) -{ - /* Arguments already specialized. The interpreter throws for nil/false. */ - rd->nres = J->maxslot; /* Pass through all arguments. */ -} - -static void LJ_FASTCALL recff_type(jit_State *J, RecordFFData *rd) -{ - /* Arguments already specialized. Result is a constant string. Neat, huh? */ - uint32_t t; - if (tvisnumber(&rd->argv[0])) - t = ~LJ_TNUMX; - else if (LJ_64 && tvislightud(&rd->argv[0])) - t = ~LJ_TLIGHTUD; - else - t = ~itype(&rd->argv[0]); - J->base[0] = lj_ir_kstr(J, strV(&J->fn->c.upvalue[t])); - UNUSED(rd); -} - -static void LJ_FASTCALL recff_getmetatable(jit_State *J, RecordFFData *rd) -{ - TRef tr = J->base[0]; - if (tr) { - RecordIndex ix; - ix.tab = tr; - copyTV(J->L, &ix.tabv, &rd->argv[0]); - if (lj_record_mm_lookup(J, &ix, MM_metatable)) - J->base[0] = ix.mobj; - else - J->base[0] = ix.mt; - } /* else: Interpreter will throw. */ -} - -static void LJ_FASTCALL recff_setmetatable(jit_State *J, RecordFFData *rd) -{ - TRef tr = J->base[0]; - TRef mt = J->base[1]; - if (tref_istab(tr) && (tref_istab(mt) || (mt && tref_isnil(mt)))) { - TRef fref, mtref; - RecordIndex ix; - ix.tab = tr; - copyTV(J->L, &ix.tabv, &rd->argv[0]); - lj_record_mm_lookup(J, &ix, MM_metatable); /* Guard for no __metatable. */ - fref = emitir(IRT(IR_FREF, IRT_P32), tr, IRFL_TAB_META); - mtref = tref_isnil(mt) ? lj_ir_knull(J, IRT_TAB) : mt; - emitir(IRT(IR_FSTORE, IRT_TAB), fref, mtref); - if (!tref_isnil(mt)) - emitir(IRT(IR_TBAR, IRT_TAB), tr, 0); - J->base[0] = tr; - J->needsnap = 1; - } /* else: Interpreter will throw. */ -} - -static void LJ_FASTCALL recff_rawget(jit_State *J, RecordFFData *rd) -{ - RecordIndex ix; - ix.tab = J->base[0]; ix.key = J->base[1]; - if (tref_istab(ix.tab) && ix.key) { - ix.val = 0; ix.idxchain = 0; - settabV(J->L, &ix.tabv, tabV(&rd->argv[0])); - copyTV(J->L, &ix.keyv, &rd->argv[1]); - J->base[0] = lj_record_idx(J, &ix); - } /* else: Interpreter will throw. */ -} - -static void LJ_FASTCALL recff_rawset(jit_State *J, RecordFFData *rd) -{ - RecordIndex ix; - ix.tab = J->base[0]; ix.key = J->base[1]; ix.val = J->base[2]; - if (tref_istab(ix.tab) && ix.key && ix.val) { - ix.idxchain = 0; - settabV(J->L, &ix.tabv, tabV(&rd->argv[0])); - copyTV(J->L, &ix.keyv, &rd->argv[1]); - copyTV(J->L, &ix.valv, &rd->argv[2]); - lj_record_idx(J, &ix); - /* Pass through table at J->base[0] as result. */ - } /* else: Interpreter will throw. */ -} - -static void LJ_FASTCALL recff_rawequal(jit_State *J, RecordFFData *rd) -{ - TRef tra = J->base[0]; - TRef trb = J->base[1]; - if (tra && trb) { - int diff = lj_record_objcmp(J, tra, trb, &rd->argv[0], &rd->argv[1]); - J->base[0] = diff ? TREF_FALSE : TREF_TRUE; - } /* else: Interpreter will throw. */ -} - -/* Determine mode of select() call. */ -int32_t lj_ffrecord_select_mode(jit_State *J, TRef tr, TValue *tv) -{ - if (tref_isstr(tr) && *strVdata(tv) == '#') { /* select('#', ...) */ - if (strV(tv)->len == 1) { - emitir(IRTG(IR_EQ, IRT_STR), tr, lj_ir_kstr(J, strV(tv))); - } else { - TRef trptr = emitir(IRT(IR_STRREF, IRT_P32), tr, lj_ir_kint(J, 0)); - TRef trchar = emitir(IRT(IR_XLOAD, IRT_U8), trptr, IRXLOAD_READONLY); - emitir(IRTG(IR_EQ, IRT_INT), trchar, lj_ir_kint(J, '#')); - } - return 0; - } else { /* select(n, ...) */ - int32_t start = argv2int(J, tv); - if (start == 0) lj_trace_err(J, LJ_TRERR_BADTYPE); /* A bit misleading. */ - return start; - } -} - -static void LJ_FASTCALL recff_select(jit_State *J, RecordFFData *rd) -{ - TRef tr = J->base[0]; - if (tr) { - ptrdiff_t start = lj_ffrecord_select_mode(J, tr, &rd->argv[0]); - if (start == 0) { /* select('#', ...) */ - J->base[0] = lj_ir_kint(J, J->maxslot - 1); - } else if (tref_isk(tr)) { /* select(k, ...) */ - ptrdiff_t n = (ptrdiff_t)J->maxslot; - if (start < 0) start += n; - else if (start > n) start = n; - rd->nres = n - start; - if (start >= 1) { - ptrdiff_t i; - for (i = 0; i < n - start; i++) - J->base[i] = J->base[start+i]; - } /* else: Interpreter will throw. */ - } else { - recff_nyiu(J); - } - } /* else: Interpreter will throw. */ -} - -static void LJ_FASTCALL recff_tonumber(jit_State *J, RecordFFData *rd) -{ - TRef tr = J->base[0]; - TRef base = J->base[1]; - if (tr && base) { - base = lj_opt_narrow_toint(J, base); - if (!tref_isk(base) || IR(tref_ref(base))->i != 10) - recff_nyiu(J); - } - if (tref_isnumber_str(tr)) { - if (tref_isstr(tr)) { - TValue tmp; - if (!lj_str_tonum(strV(&rd->argv[0]), &tmp)) - recff_nyiu(J); /* Would need an inverted STRTO for this case. */ - tr = emitir(IRTG(IR_STRTO, IRT_NUM), tr, 0); - } -#if LJ_HASFFI - } else if (tref_iscdata(tr)) { - lj_crecord_tonumber(J, rd); - return; -#endif - } else { - tr = TREF_NIL; - } - J->base[0] = tr; - UNUSED(rd); -} - -static TValue *recff_metacall_cp(lua_State *L, lua_CFunction dummy, void *ud) -{ - jit_State *J = (jit_State *)ud; - lj_record_tailcall(J, 0, 1); - UNUSED(L); UNUSED(dummy); - return NULL; -} - -static int recff_metacall(jit_State *J, RecordFFData *rd, MMS mm) -{ - RecordIndex ix; - ix.tab = J->base[0]; - copyTV(J->L, &ix.tabv, &rd->argv[0]); - if (lj_record_mm_lookup(J, &ix, mm)) { /* Has metamethod? */ - int errcode; - TValue argv0; - /* Temporarily insert metamethod below object. */ - J->base[1] = J->base[0]; - J->base[0] = ix.mobj; - copyTV(J->L, &argv0, &rd->argv[0]); - copyTV(J->L, &rd->argv[1], &rd->argv[0]); - copyTV(J->L, &rd->argv[0], &ix.mobjv); - /* Need to protect lj_record_tailcall because it may throw. */ - errcode = lj_vm_cpcall(J->L, NULL, J, recff_metacall_cp); - /* Always undo Lua stack changes to avoid confusing the interpreter. */ - copyTV(J->L, &rd->argv[0], &argv0); - if (errcode) - lj_err_throw(J->L, errcode); /* Propagate errors. */ - rd->nres = -1; /* Pending call. */ - return 1; /* Tailcalled to metamethod. */ - } - return 0; -} - -static void LJ_FASTCALL recff_tostring(jit_State *J, RecordFFData *rd) -{ - TRef tr = J->base[0]; - if (tref_isstr(tr)) { - /* Ignore __tostring in the string base metatable. */ - /* Pass on result in J->base[0]. */ - } else if (!recff_metacall(J, rd, MM_tostring)) { - if (tref_isnumber(tr)) { - J->base[0] = emitir(IRT(IR_TOSTR, IRT_STR), tr, 0); - } else if (tref_ispri(tr)) { - J->base[0] = lj_ir_kstr(J, strV(&J->fn->c.upvalue[tref_type(tr)])); - } else { - recff_nyiu(J); - } - } -} - -static void LJ_FASTCALL recff_ipairs_aux(jit_State *J, RecordFFData *rd) -{ - RecordIndex ix; - ix.tab = J->base[0]; - if (tref_istab(ix.tab)) { - if (!tvisnumber(&rd->argv[1])) /* No support for string coercion. */ - lj_trace_err(J, LJ_TRERR_BADTYPE); - setintV(&ix.keyv, numberVint(&rd->argv[1])+1); - settabV(J->L, &ix.tabv, tabV(&rd->argv[0])); - ix.val = 0; ix.idxchain = 0; - ix.key = lj_opt_narrow_toint(J, J->base[1]); - J->base[0] = ix.key = emitir(IRTI(IR_ADD), ix.key, lj_ir_kint(J, 1)); - J->base[1] = lj_record_idx(J, &ix); - rd->nres = tref_isnil(J->base[1]) ? 0 : 2; - } /* else: Interpreter will throw. */ -} - -static void LJ_FASTCALL recff_ipairs(jit_State *J, RecordFFData *rd) -{ -#ifdef LUAJIT_ENABLE_LUA52COMPAT - if (!recff_metacall(J, rd, MM_ipairs)) -#endif - { - TRef tab = J->base[0]; - if (tref_istab(tab)) { - J->base[0] = lj_ir_kfunc(J, funcV(&J->fn->c.upvalue[0])); - J->base[1] = tab; - J->base[2] = lj_ir_kint(J, 0); - rd->nres = 3; - } /* else: Interpreter will throw. */ - } -} - -static void LJ_FASTCALL recff_pcall(jit_State *J, RecordFFData *rd) -{ - if (J->maxslot >= 1) { - lj_record_call(J, 0, J->maxslot - 1); - rd->nres = -1; /* Pending call. */ - } /* else: Interpreter will throw. */ -} - -static TValue *recff_xpcall_cp(lua_State *L, lua_CFunction dummy, void *ud) -{ - jit_State *J = (jit_State *)ud; - lj_record_call(J, 1, J->maxslot - 2); - UNUSED(L); UNUSED(dummy); - return NULL; -} - -static void LJ_FASTCALL recff_xpcall(jit_State *J, RecordFFData *rd) -{ - if (J->maxslot >= 2) { - TValue argv0, argv1; - TRef tmp; - int errcode; - /* Swap function and traceback. */ - tmp = J->base[0]; J->base[0] = J->base[1]; J->base[1] = tmp; - copyTV(J->L, &argv0, &rd->argv[0]); - copyTV(J->L, &argv1, &rd->argv[1]); - copyTV(J->L, &rd->argv[0], &argv1); - copyTV(J->L, &rd->argv[1], &argv0); - /* Need to protect lj_record_call because it may throw. */ - errcode = lj_vm_cpcall(J->L, NULL, J, recff_xpcall_cp); - /* Always undo Lua stack swap to avoid confusing the interpreter. */ - copyTV(J->L, &rd->argv[0], &argv0); - copyTV(J->L, &rd->argv[1], &argv1); - if (errcode) - lj_err_throw(J->L, errcode); /* Propagate errors. */ - rd->nres = -1; /* Pending call. */ - } /* else: Interpreter will throw. */ -} - -/* -- Math library fast functions ----------------------------------------- */ - -static void LJ_FASTCALL recff_math_abs(jit_State *J, RecordFFData *rd) -{ - TRef tr = lj_ir_tonum(J, J->base[0]); - J->base[0] = emitir(IRTN(IR_ABS), tr, lj_ir_knum_abs(J)); - UNUSED(rd); -} - -/* Record rounding functions math.floor and math.ceil. */ -static void LJ_FASTCALL recff_math_round(jit_State *J, RecordFFData *rd) -{ - TRef tr = J->base[0]; - if (!tref_isinteger(tr)) { /* Pass through integers unmodified. */ - tr = emitir(IRTN(IR_FPMATH), lj_ir_tonum(J, tr), rd->data); - /* Result is integral (or NaN/Inf), but may not fit an int32_t. */ - if (LJ_DUALNUM) { /* Try to narrow using a guarded conversion to int. */ - lua_Number n = lj_vm_foldfpm(numberVnum(&rd->argv[0]), rd->data); - if (n == (lua_Number)lj_num2int(n)) - tr = emitir(IRTGI(IR_CONV), tr, IRCONV_INT_NUM|IRCONV_CHECK); - } - J->base[0] = tr; - } -} - -/* Record unary math.* functions, mapped to IR_FPMATH opcode. */ -static void LJ_FASTCALL recff_math_unary(jit_State *J, RecordFFData *rd) -{ - J->base[0] = emitir(IRTN(IR_FPMATH), lj_ir_tonum(J, J->base[0]), rd->data); -} - -/* Record math.atan2. */ -static void LJ_FASTCALL recff_math_atan2(jit_State *J, RecordFFData *rd) -{ - TRef tr = lj_ir_tonum(J, J->base[0]); - TRef tr2 = lj_ir_tonum(J, J->base[1]); - J->base[0] = emitir(IRTN(IR_ATAN2), tr, tr2); - UNUSED(rd); -} - -/* Record math.ldexp. */ -static void LJ_FASTCALL recff_math_ldexp(jit_State *J, RecordFFData *rd) -{ - TRef tr = lj_ir_tonum(J, J->base[0]); -#if LJ_TARGET_X86ORX64 - TRef tr2 = lj_ir_tonum(J, J->base[1]); -#else - TRef tr2 = lj_opt_narrow_toint(J, J->base[1]); -#endif - J->base[0] = emitir(IRTN(IR_LDEXP), tr, tr2); - UNUSED(rd); -} - -/* Record math.asin, math.acos, math.atan. */ -static void LJ_FASTCALL recff_math_atrig(jit_State *J, RecordFFData *rd) -{ - TRef y = lj_ir_tonum(J, J->base[0]); - TRef x = lj_ir_knum_one(J); - uint32_t ffid = rd->data; - if (ffid != FF_math_atan) { - TRef tmp = emitir(IRTN(IR_MUL), y, y); - tmp = emitir(IRTN(IR_SUB), x, tmp); - tmp = emitir(IRTN(IR_FPMATH), tmp, IRFPM_SQRT); - if (ffid == FF_math_asin) { x = tmp; } else { x = y; y = tmp; } - } - J->base[0] = emitir(IRTN(IR_ATAN2), y, x); -} - -static void LJ_FASTCALL recff_math_htrig(jit_State *J, RecordFFData *rd) -{ - TRef tr = lj_ir_tonum(J, J->base[0]); - J->base[0] = lj_ir_call(J, rd->data, tr); -} - -static void LJ_FASTCALL recff_math_modf(jit_State *J, RecordFFData *rd) -{ - TRef tr = J->base[0]; - if (tref_isinteger(tr)) { - J->base[0] = tr; - J->base[1] = lj_ir_kint(J, 0); - } else { - TRef trt; - tr = lj_ir_tonum(J, tr); - trt = emitir(IRTN(IR_FPMATH), tr, IRFPM_TRUNC); - J->base[0] = trt; - J->base[1] = emitir(IRTN(IR_SUB), tr, trt); - } - rd->nres = 2; -} - -static void LJ_FASTCALL recff_math_degrad(jit_State *J, RecordFFData *rd) -{ - TRef tr = lj_ir_tonum(J, J->base[0]); - TRef trm = lj_ir_knum(J, numV(&J->fn->c.upvalue[0])); - J->base[0] = emitir(IRTN(IR_MUL), tr, trm); - UNUSED(rd); -} - -static void LJ_FASTCALL recff_math_pow(jit_State *J, RecordFFData *rd) -{ - TRef tr = lj_ir_tonum(J, J->base[0]); - if (!tref_isnumber_str(J->base[1])) - lj_trace_err(J, LJ_TRERR_BADTYPE); - J->base[0] = lj_opt_narrow_pow(J, tr, J->base[1], &rd->argv[1]); - UNUSED(rd); -} - -static void LJ_FASTCALL recff_math_minmax(jit_State *J, RecordFFData *rd) -{ - TRef tr = lj_ir_tonumber(J, J->base[0]); - uint32_t op = rd->data; - BCReg i; - for (i = 1; J->base[i] != 0; i++) { - TRef tr2 = lj_ir_tonumber(J, J->base[i]); - IRType t = IRT_INT; - if (!(tref_isinteger(tr) && tref_isinteger(tr2))) { - if (tref_isinteger(tr)) tr = emitir(IRTN(IR_CONV), tr, IRCONV_NUM_INT); - if (tref_isinteger(tr2)) tr2 = emitir(IRTN(IR_CONV), tr2, IRCONV_NUM_INT); - t = IRT_NUM; - } - tr = emitir(IRT(op, t), tr, tr2); - } - J->base[0] = tr; -} - -static void LJ_FASTCALL recff_math_random(jit_State *J, RecordFFData *rd) -{ - GCudata *ud = udataV(&J->fn->c.upvalue[0]); - TRef tr, one; - lj_ir_kgc(J, obj2gco(ud), IRT_UDATA); /* Prevent collection. */ - tr = lj_ir_call(J, IRCALL_lj_math_random_step, lj_ir_kptr(J, uddata(ud))); - one = lj_ir_knum_one(J); - tr = emitir(IRTN(IR_SUB), tr, one); - if (J->base[0]) { - TRef tr1 = lj_ir_tonum(J, J->base[0]); - if (J->base[1]) { /* d = floor(d*(r2-r1+1.0)) + r1 */ - TRef tr2 = lj_ir_tonum(J, J->base[1]); - tr2 = emitir(IRTN(IR_SUB), tr2, tr1); - tr2 = emitir(IRTN(IR_ADD), tr2, one); - tr = emitir(IRTN(IR_MUL), tr, tr2); - tr = emitir(IRTN(IR_FPMATH), tr, IRFPM_FLOOR); - tr = emitir(IRTN(IR_ADD), tr, tr1); - } else { /* d = floor(d*r1) + 1.0 */ - tr = emitir(IRTN(IR_MUL), tr, tr1); - tr = emitir(IRTN(IR_FPMATH), tr, IRFPM_FLOOR); - tr = emitir(IRTN(IR_ADD), tr, one); - } - } - J->base[0] = tr; - UNUSED(rd); -} - -/* -- Bit library fast functions ------------------------------------------ */ - -/* Record unary bit.tobit, bit.bnot, bit.bswap. */ -static void LJ_FASTCALL recff_bit_unary(jit_State *J, RecordFFData *rd) -{ - TRef tr = lj_opt_narrow_tobit(J, J->base[0]); - J->base[0] = (rd->data == IR_TOBIT) ? tr : emitir(IRTI(rd->data), tr, 0); -} - -/* Record N-ary bit.band, bit.bor, bit.bxor. */ -static void LJ_FASTCALL recff_bit_nary(jit_State *J, RecordFFData *rd) -{ - TRef tr = lj_opt_narrow_tobit(J, J->base[0]); - uint32_t op = rd->data; - BCReg i; - for (i = 1; J->base[i] != 0; i++) - tr = emitir(IRTI(op), tr, lj_opt_narrow_tobit(J, J->base[i])); - J->base[0] = tr; -} - -/* Record bit shifts. */ -static void LJ_FASTCALL recff_bit_shift(jit_State *J, RecordFFData *rd) -{ - TRef tr = lj_opt_narrow_tobit(J, J->base[0]); - TRef tsh = lj_opt_narrow_tobit(J, J->base[1]); - IROp op = (IROp)rd->data; - if (!(op < IR_BROL ? LJ_TARGET_MASKSHIFT : LJ_TARGET_MASKROT) && - !tref_isk(tsh)) - tsh = emitir(IRTI(IR_BAND), tsh, lj_ir_kint(J, 31)); -#ifdef LJ_TARGET_UNIFYROT - if (op == (LJ_TARGET_UNIFYROT == 1 ? IR_BROR : IR_BROL)) { - op = LJ_TARGET_UNIFYROT == 1 ? IR_BROL : IR_BROR; - tsh = emitir(IRTI(IR_NEG), tsh, tsh); - } -#endif - J->base[0] = emitir(IRTI(op), tr, tsh); -} - -/* -- String library fast functions --------------------------------------- */ - -static void LJ_FASTCALL recff_string_len(jit_State *J, RecordFFData *rd) -{ - J->base[0] = emitir(IRTI(IR_FLOAD), lj_ir_tostr(J, J->base[0]), IRFL_STR_LEN); - UNUSED(rd); -} - -/* Handle string.byte (rd->data = 0) and string.sub (rd->data = 1). */ -static void LJ_FASTCALL recff_string_range(jit_State *J, RecordFFData *rd) -{ - TRef trstr = lj_ir_tostr(J, J->base[0]); - TRef trlen = emitir(IRTI(IR_FLOAD), trstr, IRFL_STR_LEN); - TRef tr0 = lj_ir_kint(J, 0); - TRef trstart, trend; - GCstr *str = argv2str(J, &rd->argv[0]); - int32_t start, end; - if (rd->data) { /* string.sub(str, start [,end]) */ - start = argv2int(J, &rd->argv[1]); - trstart = lj_opt_narrow_toint(J, J->base[1]); - trend = J->base[2]; - if (tref_isnil(trend)) { - trend = lj_ir_kint(J, -1); - end = -1; - } else { - trend = lj_opt_narrow_toint(J, trend); - end = argv2int(J, &rd->argv[2]); - } - } else { /* string.byte(str, [,start [,end]]) */ - if (J->base[1]) { - start = argv2int(J, &rd->argv[1]); - trstart = lj_opt_narrow_toint(J, J->base[1]); - trend = J->base[2]; - if (tref_isnil(trend)) { - trend = trstart; - end = start; - } else { - trend = lj_opt_narrow_toint(J, trend); - end = argv2int(J, &rd->argv[2]); - } - } else { - trend = trstart = lj_ir_kint(J, 1); - end = start = 1; - } - } - if (end < 0) { - emitir(IRTGI(IR_LT), trend, tr0); - trend = emitir(IRTI(IR_ADD), emitir(IRTI(IR_ADD), trlen, trend), - lj_ir_kint(J, 1)); - end = end+(int32_t)str->len+1; - } else if ((MSize)end <= str->len) { - emitir(IRTGI(IR_ULE), trend, trlen); - } else { - emitir(IRTGI(IR_GT), trend, trlen); - end = (int32_t)str->len; - trend = trlen; - } - if (start < 0) { - emitir(IRTGI(IR_LT), trstart, tr0); - trstart = emitir(IRTI(IR_ADD), trlen, trstart); - start = start+(int32_t)str->len; - emitir(start < 0 ? IRTGI(IR_LT) : IRTGI(IR_GE), trstart, tr0); - if (start < 0) { - trstart = tr0; - start = 0; - } - } else { - if (start == 0) { - emitir(IRTGI(IR_EQ), trstart, tr0); - trstart = tr0; - } else { - trstart = emitir(IRTI(IR_ADD), trstart, lj_ir_kint(J, -1)); - emitir(IRTGI(IR_GE), trstart, tr0); - start--; - } - } - if (rd->data) { /* Return string.sub result. */ - if (end - start >= 0) { - /* Also handle empty range here, to avoid extra traces. */ - TRef trptr, trslen = emitir(IRTI(IR_SUB), trend, trstart); - emitir(IRTGI(IR_GE), trslen, tr0); - trptr = emitir(IRT(IR_STRREF, IRT_P32), trstr, trstart); - J->base[0] = emitir(IRT(IR_SNEW, IRT_STR), trptr, trslen); - } else { /* Range underflow: return empty string. */ - emitir(IRTGI(IR_LT), trend, trstart); - J->base[0] = lj_ir_kstr(J, lj_str_new(J->L, strdata(str), 0)); - } - } else { /* Return string.byte result(s). */ - ptrdiff_t i, len = end - start; - if (len > 0) { - TRef trslen = emitir(IRTI(IR_SUB), trend, trstart); - emitir(IRTGI(IR_EQ), trslen, lj_ir_kint(J, (int32_t)len)); - if (J->baseslot + len > LJ_MAX_JSLOTS) - lj_trace_err_info(J, LJ_TRERR_STACKOV); - rd->nres = len; - for (i = 0; i < len; i++) { - TRef tmp = emitir(IRTI(IR_ADD), trstart, lj_ir_kint(J, (int32_t)i)); - tmp = emitir(IRT(IR_STRREF, IRT_P32), trstr, tmp); - J->base[i] = emitir(IRT(IR_XLOAD, IRT_U8), tmp, IRXLOAD_READONLY); - } - } else { /* Empty range or range underflow: return no results. */ - emitir(IRTGI(IR_LE), trend, trstart); - rd->nres = 0; - } - } -} - -/* -- Table library fast functions ---------------------------------------- */ - -static void LJ_FASTCALL recff_table_getn(jit_State *J, RecordFFData *rd) -{ - if (tref_istab(J->base[0])) - J->base[0] = lj_ir_call(J, IRCALL_lj_tab_len, J->base[0]); - /* else: Interpreter will throw. */ - UNUSED(rd); -} - -static void LJ_FASTCALL recff_table_remove(jit_State *J, RecordFFData *rd) -{ - TRef tab = J->base[0]; - rd->nres = 0; - if (tref_istab(tab)) { - if (!J->base[1] || tref_isnil(J->base[1])) { /* Simple pop: t[#t] = nil */ - TRef trlen = lj_ir_call(J, IRCALL_lj_tab_len, tab); - GCtab *t = tabV(&rd->argv[0]); - MSize len = lj_tab_len(t); - emitir(IRTGI(len ? IR_NE : IR_EQ), trlen, lj_ir_kint(J, 0)); - if (len) { - RecordIndex ix; - ix.tab = tab; - ix.key = trlen; - settabV(J->L, &ix.tabv, t); - setintV(&ix.keyv, len); - ix.idxchain = 0; - if (results_wanted(J) != 0) { /* Specialize load only if needed. */ - ix.val = 0; - J->base[0] = lj_record_idx(J, &ix); /* Load previous value. */ - rd->nres = 1; - /* Assumes ix.key/ix.tab is not modified for raw lj_record_idx(). */ - } - ix.val = TREF_NIL; - lj_record_idx(J, &ix); /* Remove value. */ - } - } else { /* Complex case: remove in the middle. */ - recff_nyiu(J); - } - } /* else: Interpreter will throw. */ -} - -static void LJ_FASTCALL recff_table_insert(jit_State *J, RecordFFData *rd) -{ - RecordIndex ix; - ix.tab = J->base[0]; - ix.val = J->base[1]; - rd->nres = 0; - if (tref_istab(ix.tab) && ix.val) { - if (!J->base[2]) { /* Simple push: t[#t+1] = v */ - TRef trlen = lj_ir_call(J, IRCALL_lj_tab_len, ix.tab); - GCtab *t = tabV(&rd->argv[0]); - ix.key = emitir(IRTI(IR_ADD), trlen, lj_ir_kint(J, 1)); - settabV(J->L, &ix.tabv, t); - setintV(&ix.keyv, lj_tab_len(t) + 1); - ix.idxchain = 0; - lj_record_idx(J, &ix); /* Set new value. */ - } else { /* Complex case: insert in the middle. */ - recff_nyiu(J); - } - } /* else: Interpreter will throw. */ -} - -/* -- I/O library fast functions ------------------------------------------ */ - -/* Get FILE* for I/O function. Any I/O error aborts recording, so there's -** no need to encode the alternate cases for any of the guards. -*/ -static TRef recff_io_fp(jit_State *J, uint32_t id) -{ - TRef tr, ud, fp; - if (id) { /* io.func() */ - tr = lj_ir_kptr(J, &J2G(J)->gcroot[id]); - ud = emitir(IRT(IR_XLOAD, IRT_UDATA), tr, 0); - } else { /* fp:method() */ - ud = J->base[0]; - if (!tref_isudata(ud)) - lj_trace_err(J, LJ_TRERR_BADTYPE); - tr = emitir(IRT(IR_FLOAD, IRT_U8), ud, IRFL_UDATA_UDTYPE); - emitir(IRTGI(IR_EQ), tr, lj_ir_kint(J, UDTYPE_IO_FILE)); - } - fp = emitir(IRT(IR_FLOAD, IRT_PTR), ud, IRFL_UDATA_FILE); - emitir(IRTG(IR_NE, IRT_PTR), fp, lj_ir_knull(J, IRT_PTR)); - return fp; -} - -static void LJ_FASTCALL recff_io_write(jit_State *J, RecordFFData *rd) -{ - TRef fp = recff_io_fp(J, rd->data); - TRef zero = lj_ir_kint(J, 0); - TRef one = lj_ir_kint(J, 1); - ptrdiff_t i = rd->data == 0 ? 1 : 0; - for (; J->base[i]; i++) { - TRef str = lj_ir_tostr(J, J->base[i]); - TRef buf = emitir(IRT(IR_STRREF, IRT_P32), str, zero); - TRef len = emitir(IRTI(IR_FLOAD), str, IRFL_STR_LEN); - if (tref_isk(len) && IR(tref_ref(len))->i == 1) { - TRef tr = emitir(IRT(IR_XLOAD, IRT_U8), buf, IRXLOAD_READONLY); - tr = lj_ir_call(J, IRCALL_fputc, tr, fp); - if (results_wanted(J) != 0) /* Check result only if not ignored. */ - emitir(IRTGI(IR_NE), tr, lj_ir_kint(J, -1)); - } else { - TRef tr = lj_ir_call(J, IRCALL_fwrite, buf, one, len, fp); - if (results_wanted(J) != 0) /* Check result only if not ignored. */ - emitir(IRTGI(IR_EQ), tr, len); - } - } - J->base[0] = TREF_TRUE; -} - -static void LJ_FASTCALL recff_io_flush(jit_State *J, RecordFFData *rd) -{ - TRef fp = recff_io_fp(J, rd->data); - TRef tr = lj_ir_call(J, IRCALL_fflush, fp); - if (results_wanted(J) != 0) /* Check result only if not ignored. */ - emitir(IRTGI(IR_EQ), tr, lj_ir_kint(J, 0)); - J->base[0] = TREF_TRUE; -} - -/* -- Record calls to fast functions -------------------------------------- */ - -#include "lj_recdef.h" - -static uint32_t recdef_lookup(GCfunc *fn) -{ - if (fn->c.ffid < sizeof(recff_idmap)/sizeof(recff_idmap[0])) - return recff_idmap[fn->c.ffid]; - else - return 0; -} - -/* Record entry to a fast function or C function. */ -void lj_ffrecord_func(jit_State *J) -{ - RecordFFData rd; - uint32_t m = recdef_lookup(J->fn); - rd.data = m & 0xff; - rd.nres = 1; /* Default is one result. */ - rd.argv = J->L->base; - J->base[J->maxslot] = 0; /* Mark end of arguments. */ - (recff_func[m >> 8])(J, &rd); /* Call recff_* handler. */ - if (rd.nres >= 0) { - if (J->postproc == LJ_POST_NONE) J->postproc = LJ_POST_FFRETRY; - lj_record_ret(J, 0, rd.nres); - } -} - -#undef IR -#undef emitir - -#endif diff --git a/libraries/luajit-2.0/src/lj_ffrecord.h b/libraries/luajit-2.0/src/lj_ffrecord.h deleted file mode 100644 index 7ff270a..0000000 --- a/libraries/luajit-2.0/src/lj_ffrecord.h +++ /dev/null @@ -1,24 +0,0 @@ -/* -** Fast function call recorder. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_FFRECORD_H -#define _LJ_FFRECORD_H - -#include "lj_obj.h" -#include "lj_jit.h" - -#if LJ_HASJIT -/* Data used by handlers to record a fast function. */ -typedef struct RecordFFData { - TValue *argv; /* Runtime argument values. */ - ptrdiff_t nres; /* Number of returned results (defaults to 1). */ - uint32_t data; /* Per-ffid auxiliary data (opcode, literal etc.). */ -} RecordFFData; - -LJ_FUNC int32_t lj_ffrecord_select_mode(jit_State *J, TRef tr, TValue *tv); -LJ_FUNC void lj_ffrecord_func(jit_State *J); -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_frame.h b/libraries/luajit-2.0/src/lj_frame.h deleted file mode 100644 index a69917e..0000000 --- a/libraries/luajit-2.0/src/lj_frame.h +++ /dev/null @@ -1,160 +0,0 @@ -/* -** Stack frames. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_FRAME_H -#define _LJ_FRAME_H - -#include "lj_obj.h" -#include "lj_bc.h" - -/* -- Lua stack frame ----------------------------------------------------- */ - -/* Frame type markers in callee function slot (callee base-1). */ -enum { - FRAME_LUA, FRAME_C, FRAME_CONT, FRAME_VARG, - FRAME_LUAP, FRAME_CP, FRAME_PCALL, FRAME_PCALLH -}; -#define FRAME_TYPE 3 -#define FRAME_P 4 -#define FRAME_TYPEP (FRAME_TYPE|FRAME_P) - -/* Macros to access and modify Lua frames. */ -#define frame_gc(f) (gcref((f)->fr.func)) -#define frame_func(f) (&frame_gc(f)->fn) -#define frame_ftsz(f) ((f)->fr.tp.ftsz) - -#define frame_type(f) (frame_ftsz(f) & FRAME_TYPE) -#define frame_typep(f) (frame_ftsz(f) & FRAME_TYPEP) -#define frame_islua(f) (frame_type(f) == FRAME_LUA) -#define frame_isc(f) (frame_type(f) == FRAME_C) -#define frame_iscont(f) (frame_typep(f) == FRAME_CONT) -#define frame_isvarg(f) (frame_typep(f) == FRAME_VARG) -#define frame_ispcall(f) ((frame_ftsz(f) & 6) == FRAME_PCALL) - -#define frame_pc(f) (mref((f)->fr.tp.pcr, const BCIns)) -#define frame_contpc(f) (frame_pc((f)-1)) -#if LJ_64 -#define frame_contf(f) \ - ((ASMFunction)(void *)((intptr_t)lj_vm_asm_begin + \ - (intptr_t)(int32_t)((f)-1)->u32.lo)) -#else -#define frame_contf(f) ((ASMFunction)gcrefp(((f)-1)->gcr, void)) -#endif -#define frame_delta(f) (frame_ftsz(f) >> 3) -#define frame_sized(f) (frame_ftsz(f) & ~FRAME_TYPEP) - -#define frame_prevl(f) ((f) - (1+bc_a(frame_pc(f)[-1]))) -#define frame_prevd(f) ((TValue *)((char *)(f) - frame_sized(f))) -#define frame_prev(f) (frame_islua(f)?frame_prevl(f):frame_prevd(f)) -/* Note: this macro does not skip over FRAME_VARG. */ - -#define setframe_pc(f, pc) (setmref((f)->fr.tp.pcr, (pc))) -#define setframe_ftsz(f, sz) ((f)->fr.tp.ftsz = (sz)) -#define setframe_gc(f, p) (setgcref((f)->fr.func, (p))) - -/* -- C stack frame ------------------------------------------------------- */ - -/* Macros to access and modify the C stack frame chain. */ - -/* These definitions must match with the arch-specific *.dasc files. */ -#if LJ_TARGET_X86 -#define CFRAME_OFS_ERRF (15*4) -#define CFRAME_OFS_NRES (14*4) -#define CFRAME_OFS_PREV (13*4) -#define CFRAME_OFS_L (12*4) -#define CFRAME_OFS_PC (6*4) -#define CFRAME_OFS_MULTRES (5*4) -#define CFRAME_SIZE (12*4) -#define CFRAME_SHIFT_MULTRES 0 -#elif LJ_TARGET_X64 -#if LJ_ABI_WIN -#define CFRAME_OFS_PREV (13*8) -#define CFRAME_OFS_PC (25*4) -#define CFRAME_OFS_L (24*4) -#define CFRAME_OFS_ERRF (23*4) -#define CFRAME_OFS_NRES (22*4) -#define CFRAME_OFS_MULTRES (21*4) -#define CFRAME_SIZE (10*8) -#define CFRAME_SIZE_JIT (CFRAME_SIZE + 9*16 + 4*8) -#define CFRAME_SHIFT_MULTRES 0 -#else -#define CFRAME_OFS_PREV (4*8) -#define CFRAME_OFS_PC (7*4) -#define CFRAME_OFS_L (6*4) -#define CFRAME_OFS_ERRF (5*4) -#define CFRAME_OFS_NRES (4*4) -#define CFRAME_OFS_MULTRES (1*4) -#define CFRAME_SIZE (10*8) -#define CFRAME_SIZE_JIT (CFRAME_SIZE + 16) -#define CFRAME_SHIFT_MULTRES 0 -#endif -#elif LJ_TARGET_ARM -#define CFRAME_OFS_ERRF 24 -#define CFRAME_OFS_NRES 20 -#define CFRAME_OFS_PREV 16 -#define CFRAME_OFS_L 12 -#define CFRAME_OFS_PC 8 -#define CFRAME_OFS_MULTRES 4 -#define CFRAME_SIZE 64 -#define CFRAME_SHIFT_MULTRES 3 -#elif LJ_TARGET_PPC -#define CFRAME_OFS_ERRF 48 -#define CFRAME_OFS_NRES 44 -#define CFRAME_OFS_PREV 40 -#define CFRAME_OFS_L 36 -#define CFRAME_OFS_PC 32 -#define CFRAME_OFS_MULTRES 28 -#define CFRAME_SIZE 272 -#define CFRAME_SHIFT_MULTRES 3 -#elif LJ_TARGET_PPCSPE -#define CFRAME_OFS_ERRF 28 -#define CFRAME_OFS_NRES 24 -#define CFRAME_OFS_PREV 20 -#define CFRAME_OFS_L 16 -#define CFRAME_OFS_PC 12 -#define CFRAME_OFS_MULTRES 8 -#define CFRAME_SIZE 184 -#define CFRAME_SHIFT_MULTRES 3 -#elif LJ_TARGET_MIPS -/* NYI: Dummy definitions for now. */ -#define CFRAME_OFS_ERRF 0 -#define CFRAME_OFS_NRES 0 -#define CFRAME_OFS_PREV 0 -#define CFRAME_OFS_L 0 -#define CFRAME_OFS_PC 0 -#define CFRAME_OFS_MULTRES 0 -#define CFRAME_SIZE 256 -#define CFRAME_SHIFT_MULTRES 3 -#else -#error "Missing CFRAME_* definitions for this architecture" -#endif - -#ifndef CFRAME_SIZE_JIT -#define CFRAME_SIZE_JIT CFRAME_SIZE -#endif - -#define CFRAME_RESUME 1 -#define CFRAME_UNWIND_FF 2 /* Only used in unwinder. */ -#define CFRAME_RAWMASK (~(intptr_t)(CFRAME_RESUME|CFRAME_UNWIND_FF)) - -#define cframe_errfunc(cf) (*(int32_t *)(((char *)(cf))+CFRAME_OFS_ERRF)) -#define cframe_nres(cf) (*(int32_t *)(((char *)(cf))+CFRAME_OFS_NRES)) -#define cframe_prev(cf) (*(void **)(((char *)(cf))+CFRAME_OFS_PREV)) -#define cframe_multres(cf) (*(uint32_t *)(((char *)(cf))+CFRAME_OFS_MULTRES)) -#define cframe_multres_n(cf) (cframe_multres((cf)) >> CFRAME_SHIFT_MULTRES) -#define cframe_L(cf) \ - (&gcref(*(GCRef *)(((char *)(cf))+CFRAME_OFS_L))->th) -#define cframe_pc(cf) \ - (mref(*(MRef *)(((char *)(cf))+CFRAME_OFS_PC), const BCIns)) -#define setcframe_L(cf, L) \ - (setmref(*(MRef *)(((char *)(cf))+CFRAME_OFS_L), (L))) -#define setcframe_pc(cf, pc) \ - (setmref(*(MRef *)(((char *)(cf))+CFRAME_OFS_PC), (pc))) -#define cframe_canyield(cf) ((intptr_t)(cf) & CFRAME_RESUME) -#define cframe_unwind_ff(cf) ((intptr_t)(cf) & CFRAME_UNWIND_FF) -#define cframe_raw(cf) ((void *)((intptr_t)(cf) & CFRAME_RAWMASK)) -#define cframe_Lpc(L) cframe_pc(cframe_raw(L->cframe)) - -#endif diff --git a/libraries/luajit-2.0/src/lj_func.c b/libraries/luajit-2.0/src/lj_func.c deleted file mode 100644 index 97be0a2..0000000 --- a/libraries/luajit-2.0/src/lj_func.c +++ /dev/null @@ -1,184 +0,0 @@ -/* -** Function handling (prototypes, functions and upvalues). -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#define lj_func_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_func.h" -#include "lj_trace.h" -#include "lj_vm.h" - -/* -- Prototypes ---------------------------------------------------------- */ - -void LJ_FASTCALL lj_func_freeproto(global_State *g, GCproto *pt) -{ - lj_mem_free(g, pt, pt->sizept); -} - -/* -- Upvalues ------------------------------------------------------------ */ - -static void unlinkuv(GCupval *uv) -{ - lua_assert(uvprev(uvnext(uv)) == uv && uvnext(uvprev(uv)) == uv); - setgcrefr(uvnext(uv)->prev, uv->prev); - setgcrefr(uvprev(uv)->next, uv->next); -} - -/* Find existing open upvalue for a stack slot or create a new one. */ -static GCupval *func_finduv(lua_State *L, TValue *slot) -{ - global_State *g = G(L); - GCRef *pp = &L->openupval; - GCupval *p; - GCupval *uv; - /* Search the sorted list of open upvalues. */ - while (gcref(*pp) != NULL && uvval((p = gco2uv(gcref(*pp)))) >= slot) { - lua_assert(!p->closed && uvval(p) != &p->tv); - if (uvval(p) == slot) { /* Found open upvalue pointing to same slot? */ - if (isdead(g, obj2gco(p))) /* Resurrect it, if it's dead. */ - flipwhite(obj2gco(p)); - return p; - } - pp = &p->nextgc; - } - /* No matching upvalue found. Create a new one. */ - uv = lj_mem_newt(L, sizeof(GCupval), GCupval); - newwhite(g, uv); - uv->gct = ~LJ_TUPVAL; - uv->closed = 0; /* Still open. */ - setmref(uv->v, slot); /* Pointing to the stack slot. */ - /* NOBARRIER: The GCupval is new (marked white) and open. */ - setgcrefr(uv->nextgc, *pp); /* Insert into sorted list of open upvalues. */ - setgcref(*pp, obj2gco(uv)); - setgcref(uv->prev, obj2gco(&g->uvhead)); /* Insert into GC list, too. */ - setgcrefr(uv->next, g->uvhead.next); - setgcref(uvnext(uv)->prev, obj2gco(uv)); - setgcref(g->uvhead.next, obj2gco(uv)); - lua_assert(uvprev(uvnext(uv)) == uv && uvnext(uvprev(uv)) == uv); - return uv; -} - -/* Create an empty and closed upvalue. */ -static GCupval *func_emptyuv(lua_State *L) -{ - GCupval *uv = (GCupval *)lj_mem_newgco(L, sizeof(GCupval)); - uv->gct = ~LJ_TUPVAL; - uv->closed = 1; - setnilV(&uv->tv); - setmref(uv->v, &uv->tv); - return uv; -} - -/* Close all open upvalues pointing to some stack level or above. */ -void LJ_FASTCALL lj_func_closeuv(lua_State *L, TValue *level) -{ - GCupval *uv; - global_State *g = G(L); - while (gcref(L->openupval) != NULL && - uvval((uv = gco2uv(gcref(L->openupval)))) >= level) { - GCobj *o = obj2gco(uv); - lua_assert(!isblack(o) && !uv->closed && uvval(uv) != &uv->tv); - setgcrefr(L->openupval, uv->nextgc); /* No longer in open list. */ - if (isdead(g, o)) { - lj_func_freeuv(g, uv); - } else { - unlinkuv(uv); - lj_gc_closeuv(g, uv); - } - } -} - -void LJ_FASTCALL lj_func_freeuv(global_State *g, GCupval *uv) -{ - if (!uv->closed) - unlinkuv(uv); - lj_mem_freet(g, uv); -} - -/* -- Functions (closures) ------------------------------------------------ */ - -GCfunc *lj_func_newC(lua_State *L, MSize nelems, GCtab *env) -{ - GCfunc *fn = (GCfunc *)lj_mem_newgco(L, sizeCfunc(nelems)); - fn->c.gct = ~LJ_TFUNC; - fn->c.ffid = FF_C; - fn->c.nupvalues = (uint8_t)nelems; - /* NOBARRIER: The GCfunc is new (marked white). */ - setmref(fn->c.pc, &G(L)->bc_cfunc_ext); - setgcref(fn->c.env, obj2gco(env)); - return fn; -} - -static GCfunc *func_newL(lua_State *L, GCproto *pt, GCtab *env) -{ - uint32_t count; - GCfunc *fn = (GCfunc *)lj_mem_newgco(L, sizeLfunc((MSize)pt->sizeuv)); - fn->l.gct = ~LJ_TFUNC; - fn->l.ffid = FF_LUA; - fn->l.nupvalues = 0; /* Set to zero until upvalues are initialized. */ - /* NOBARRIER: Really a setgcref. But the GCfunc is new (marked white). */ - setmref(fn->l.pc, proto_bc(pt)); - setgcref(fn->l.env, obj2gco(env)); - /* Saturating 3 bit counter (0..7) for created closures. */ - count = (uint32_t)pt->flags + PROTO_CLCOUNT; - pt->flags = (uint8_t)(count - ((count >> PROTO_CLC_BITS) & PROTO_CLCOUNT)); - return fn; -} - -/* Create a new Lua function with empty upvalues. */ -GCfunc *lj_func_newL_empty(lua_State *L, GCproto *pt, GCtab *env) -{ - GCfunc *fn = func_newL(L, pt, env); - MSize i, nuv = pt->sizeuv; - /* NOBARRIER: The GCfunc is new (marked white). */ - for (i = 0; i < nuv; i++) { - GCupval *uv = func_emptyuv(L); - uv->dhash = (uint32_t)(uintptr_t)pt ^ ((uint32_t)proto_uv(pt)[i] << 24); - setgcref(fn->l.uvptr[i], obj2gco(uv)); - } - fn->l.nupvalues = (uint8_t)nuv; - return fn; -} - -/* Do a GC check and create a new Lua function with inherited upvalues. */ -GCfunc *lj_func_newL_gc(lua_State *L, GCproto *pt, GCfuncL *parent) -{ - GCfunc *fn; - GCRef *puv; - MSize i, nuv; - TValue *base; - lj_gc_check_fixtop(L); - fn = func_newL(L, pt, tabref(parent->env)); - /* NOBARRIER: The GCfunc is new (marked white). */ - puv = parent->uvptr; - nuv = pt->sizeuv; - base = L->base; - for (i = 0; i < nuv; i++) { - uint32_t v = proto_uv(pt)[i]; - GCupval *uv; - if ((v & 0x8000)) { - uv = func_finduv(L, base + (v & 0xff)); - uv->dhash = (uint32_t)(uintptr_t)mref(parent->pc, char) ^ (v << 24); - } else { - uv = &gcref(puv[v])->uv; - } - setgcref(fn->l.uvptr[i], obj2gco(uv)); - } - fn->l.nupvalues = (uint8_t)nuv; - return fn; -} - -void LJ_FASTCALL lj_func_free(global_State *g, GCfunc *fn) -{ - MSize size = isluafunc(fn) ? sizeLfunc((MSize)fn->l.nupvalues) : - sizeCfunc((MSize)fn->c.nupvalues); - lj_mem_free(g, fn, size); -} - diff --git a/libraries/luajit-2.0/src/lj_func.h b/libraries/luajit-2.0/src/lj_func.h deleted file mode 100644 index 6ec4ab9..0000000 --- a/libraries/luajit-2.0/src/lj_func.h +++ /dev/null @@ -1,24 +0,0 @@ -/* -** Function handling (prototypes, functions and upvalues). -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_FUNC_H -#define _LJ_FUNC_H - -#include "lj_obj.h" - -/* Prototypes. */ -LJ_FUNC void LJ_FASTCALL lj_func_freeproto(global_State *g, GCproto *pt); - -/* Upvalues. */ -LJ_FUNCA void LJ_FASTCALL lj_func_closeuv(lua_State *L, TValue *level); -LJ_FUNC void LJ_FASTCALL lj_func_freeuv(global_State *g, GCupval *uv); - -/* Functions (closures). */ -LJ_FUNC GCfunc *lj_func_newC(lua_State *L, MSize nelems, GCtab *env); -LJ_FUNC GCfunc *lj_func_newL_empty(lua_State *L, GCproto *pt, GCtab *env); -LJ_FUNCA GCfunc *lj_func_newL_gc(lua_State *L, GCproto *pt, GCfuncL *parent); -LJ_FUNC void LJ_FASTCALL lj_func_free(global_State *g, GCfunc *c); - -#endif diff --git a/libraries/luajit-2.0/src/lj_gc.c b/libraries/luajit-2.0/src/lj_gc.c deleted file mode 100644 index 1985abc..0000000 --- a/libraries/luajit-2.0/src/lj_gc.c +++ /dev/null @@ -1,838 +0,0 @@ -/* -** Garbage collector. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#define lj_gc_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_func.h" -#include "lj_udata.h" -#include "lj_meta.h" -#include "lj_state.h" -#include "lj_frame.h" -#if LJ_HASFFI -#include "lj_ctype.h" -#include "lj_cdata.h" -#endif -#include "lj_trace.h" -#include "lj_vm.h" - -#define GCSTEPSIZE 1024u -#define GCSWEEPMAX 40 -#define GCSWEEPCOST 10 -#define GCFINALIZECOST 100 - -/* Macros to set GCobj colors and flags. */ -#define white2gray(x) ((x)->gch.marked &= (uint8_t)~LJ_GC_WHITES) -#define gray2black(x) ((x)->gch.marked |= LJ_GC_BLACK) -#define isfinalized(u) ((u)->marked & LJ_GC_FINALIZED) -#define markfinalized(u) ((u)->marked |= LJ_GC_FINALIZED) - -/* -- Mark phase ---------------------------------------------------------- */ - -/* Mark a TValue (if needed). */ -#define gc_marktv(g, tv) \ - { lua_assert(!tvisgcv(tv) || (~itype(tv) == gcval(tv)->gch.gct)); \ - if (tviswhite(tv)) gc_mark(g, gcV(tv)); } - -/* Mark a GCobj (if needed). */ -#define gc_markobj(g, o) \ - { if (iswhite(obj2gco(o))) gc_mark(g, obj2gco(o)); } - -/* Mark a string object. */ -#define gc_mark_str(s) ((s)->marked &= (uint8_t)~LJ_GC_WHITES) - -/* Mark a white GCobj. */ -static void gc_mark(global_State *g, GCobj *o) -{ - lua_assert(iswhite(o) && !isdead(g, o)); - white2gray(o); - if (LJ_UNLIKELY(o->gch.gct == ~LJ_TUDATA)) { - GCtab *mt = tabref(gco2ud(o)->metatable); - gray2black(o); /* Userdata are never gray. */ - if (mt) gc_markobj(g, mt); - gc_markobj(g, tabref(gco2ud(o)->env)); - } else if (LJ_UNLIKELY(o->gch.gct == ~LJ_TUPVAL)) { - GCupval *uv = gco2uv(o); - gc_marktv(g, uvval(uv)); - if (uv->closed) - gray2black(o); /* Closed upvalues are never gray. */ - } else if (o->gch.gct != ~LJ_TSTR && o->gch.gct != ~LJ_TCDATA) { - lua_assert(o->gch.gct == ~LJ_TFUNC || o->gch.gct == ~LJ_TTAB || - o->gch.gct == ~LJ_TTHREAD || o->gch.gct == ~LJ_TPROTO); - setgcrefr(o->gch.gclist, g->gc.gray); - setgcref(g->gc.gray, o); - } -} - -/* Mark GC roots. */ -static void gc_mark_gcroot(global_State *g) -{ - ptrdiff_t i; - for (i = 0; i < GCROOT_MAX; i++) - if (gcref(g->gcroot[i]) != NULL) - gc_markobj(g, gcref(g->gcroot[i])); -} - -/* Start a GC cycle and mark the root set. */ -static void gc_mark_start(global_State *g) -{ - setgcrefnull(g->gc.gray); - setgcrefnull(g->gc.grayagain); - setgcrefnull(g->gc.weak); - gc_markobj(g, mainthread(g)); - gc_markobj(g, tabref(mainthread(g)->env)); - gc_marktv(g, &g->registrytv); - gc_mark_gcroot(g); - g->gc.state = GCSpropagate; -} - -/* Mark open upvalues. */ -static void gc_mark_uv(global_State *g) -{ - GCupval *uv; - for (uv = uvnext(&g->uvhead); uv != &g->uvhead; uv = uvnext(uv)) { - lua_assert(uvprev(uvnext(uv)) == uv && uvnext(uvprev(uv)) == uv); - if (isgray(obj2gco(uv))) - gc_marktv(g, uvval(uv)); - } -} - -/* Mark userdata in mmudata list. */ -static void gc_mark_mmudata(global_State *g) -{ - GCobj *root = gcref(g->gc.mmudata); - GCobj *u = root; - if (u) { - do { - u = gcnext(u); - makewhite(g, u); /* Could be from previous GC. */ - gc_mark(g, u); - } while (u != root); - } -} - -/* Separate userdata which which needs finalization to mmudata list. */ -size_t lj_gc_separateudata(global_State *g, int all) -{ - size_t m = 0; - GCRef *p = &mainthread(g)->nextgc; - GCobj *o; - while ((o = gcref(*p)) != NULL) { - if (!(iswhite(o) || all) || isfinalized(gco2ud(o))) { - p = &o->gch.nextgc; /* Nothing to do. */ - } else if (!lj_meta_fastg(g, tabref(gco2ud(o)->metatable), MM_gc)) { - markfinalized(gco2ud(o)); /* Done, as there's no __gc metamethod. */ - p = &o->gch.nextgc; - } else { /* Otherwise move userdata to be finalized to mmudata list. */ - m += sizeudata(gco2ud(o)); - markfinalized(gco2ud(o)); - *p = o->gch.nextgc; - if (gcref(g->gc.mmudata)) { /* Link to end of mmudata list. */ - GCobj *root = gcref(g->gc.mmudata); - setgcrefr(o->gch.nextgc, root->gch.nextgc); - setgcref(root->gch.nextgc, o); - setgcref(g->gc.mmudata, o); - } else { /* Create circular list. */ - setgcref(o->gch.nextgc, o); - setgcref(g->gc.mmudata, o); - } - } - } - return m; -} - -/* -- Propagation phase --------------------------------------------------- */ - -/* Traverse a table. */ -static int gc_traverse_tab(global_State *g, GCtab *t) -{ - int weak = 0; - cTValue *mode; - GCtab *mt = tabref(t->metatable); - if (mt) - gc_markobj(g, mt); - mode = lj_meta_fastg(g, mt, MM_mode); - if (mode && tvisstr(mode)) { /* Valid __mode field? */ - const char *modestr = strVdata(mode); - int c; - while ((c = *modestr++)) { - if (c == 'k') weak |= LJ_GC_WEAKKEY; - else if (c == 'v') weak |= LJ_GC_WEAKVAL; - else if (c == 'K') weak = (int)(~0u & ~LJ_GC_WEAKVAL); - } - if (weak > 0) { /* Weak tables are cleared in the atomic phase. */ - t->marked = (uint8_t)((t->marked & ~LJ_GC_WEAK) | weak); - setgcrefr(t->gclist, g->gc.weak); - setgcref(g->gc.weak, obj2gco(t)); - } - } - if (weak == LJ_GC_WEAK) /* Nothing to mark if both keys/values are weak. */ - return 1; - if (!(weak & LJ_GC_WEAKVAL)) { /* Mark array part. */ - MSize i, asize = t->asize; - for (i = 0; i < asize; i++) - gc_marktv(g, arrayslot(t, i)); - } - if (t->hmask > 0) { /* Mark hash part. */ - Node *node = noderef(t->node); - MSize i, hmask = t->hmask; - for (i = 0; i <= hmask; i++) { - Node *n = &node[i]; - if (!tvisnil(&n->val)) { /* Mark non-empty slot. */ - lua_assert(!tvisnil(&n->key)); - if (!(weak & LJ_GC_WEAKKEY)) gc_marktv(g, &n->key); - if (!(weak & LJ_GC_WEAKVAL)) gc_marktv(g, &n->val); - } - } - } - return weak; -} - -/* Traverse a function. */ -static void gc_traverse_func(global_State *g, GCfunc *fn) -{ - gc_markobj(g, tabref(fn->c.env)); - if (isluafunc(fn)) { - uint32_t i; - lua_assert(fn->l.nupvalues <= funcproto(fn)->sizeuv); - gc_markobj(g, funcproto(fn)); - for (i = 0; i < fn->l.nupvalues; i++) /* Mark Lua function upvalues. */ - gc_markobj(g, &gcref(fn->l.uvptr[i])->uv); - } else { - uint32_t i; - for (i = 0; i < fn->c.nupvalues; i++) /* Mark C function upvalues. */ - gc_marktv(g, &fn->c.upvalue[i]); - } -} - -#if LJ_HASJIT -/* Mark a trace. */ -static void gc_marktrace(global_State *g, TraceNo traceno) -{ - GCobj *o = obj2gco(traceref(G2J(g), traceno)); - lua_assert(traceno != G2J(g)->cur.traceno); - if (iswhite(o)) { - white2gray(o); - setgcrefr(o->gch.gclist, g->gc.gray); - setgcref(g->gc.gray, o); - } -} - -/* Traverse a trace. */ -static void gc_traverse_trace(global_State *g, GCtrace *T) -{ - IRRef ref; - if (T->traceno == 0) return; - for (ref = T->nk; ref < REF_TRUE; ref++) { - IRIns *ir = &T->ir[ref]; - if (ir->o == IR_KGC) - gc_markobj(g, ir_kgc(ir)); - } - if (T->link) gc_marktrace(g, T->link); - if (T->nextroot) gc_marktrace(g, T->nextroot); - if (T->nextside) gc_marktrace(g, T->nextside); - gc_markobj(g, gcref(T->startpt)); -} - -/* The current trace is a GC root while not anchored in the prototype (yet). */ -#define gc_traverse_curtrace(g) gc_traverse_trace(g, &G2J(g)->cur) -#else -#define gc_traverse_curtrace(g) UNUSED(g) -#endif - -/* Traverse a prototype. */ -static void gc_traverse_proto(global_State *g, GCproto *pt) -{ - ptrdiff_t i; - gc_mark_str(proto_chunkname(pt)); - for (i = -(ptrdiff_t)pt->sizekgc; i < 0; i++) /* Mark collectable consts. */ - gc_markobj(g, proto_kgc(pt, i)); -#if LJ_HASJIT - if (pt->trace) gc_marktrace(g, pt->trace); -#endif -} - -/* Traverse the frame structure of a stack. */ -static MSize gc_traverse_frames(global_State *g, lua_State *th) -{ - TValue *frame, *top = th->top-1, *bot = tvref(th->stack); - /* Note: extra vararg frame not skipped, marks function twice (harmless). */ - for (frame = th->base-1; frame > bot; frame = frame_prev(frame)) { - GCfunc *fn = frame_func(frame); - TValue *ftop = frame; - if (isluafunc(fn)) ftop += funcproto(fn)->framesize; - if (ftop > top) top = ftop; - gc_markobj(g, fn); /* Need to mark hidden function (or L). */ - } - top++; /* Correct bias of -1 (frame == base-1). */ - if (top > tvref(th->maxstack)) top = tvref(th->maxstack); - return (MSize)(top - bot); /* Return minimum needed stack size. */ -} - -/* Traverse a thread object. */ -static void gc_traverse_thread(global_State *g, lua_State *th) -{ - TValue *o, *top = th->top; - for (o = tvref(th->stack)+1; o < top; o++) - gc_marktv(g, o); - if (g->gc.state == GCSatomic) { - top = tvref(th->stack) + th->stacksize; - for (; o < top; o++) /* Clear unmarked slots. */ - setnilV(o); - } - gc_markobj(g, tabref(th->env)); - lj_state_shrinkstack(th, gc_traverse_frames(g, th)); -} - -/* Propagate one gray object. Traverse it and turn it black. */ -static size_t propagatemark(global_State *g) -{ - GCobj *o = gcref(g->gc.gray); - lua_assert(isgray(o)); - gray2black(o); - setgcrefr(g->gc.gray, o->gch.gclist); /* Remove from gray list. */ - if (LJ_LIKELY(o->gch.gct == ~LJ_TTAB)) { - GCtab *t = gco2tab(o); - if (gc_traverse_tab(g, t) > 0) - black2gray(o); /* Keep weak tables gray. */ - return sizeof(GCtab) + sizeof(TValue) * t->asize + - sizeof(Node) * (t->hmask + 1); - } else if (LJ_LIKELY(o->gch.gct == ~LJ_TFUNC)) { - GCfunc *fn = gco2func(o); - gc_traverse_func(g, fn); - return isluafunc(fn) ? sizeLfunc((MSize)fn->l.nupvalues) : - sizeCfunc((MSize)fn->c.nupvalues); - } else if (LJ_LIKELY(o->gch.gct == ~LJ_TPROTO)) { - GCproto *pt = gco2pt(o); - gc_traverse_proto(g, pt); - return pt->sizept; - } else if (LJ_LIKELY(o->gch.gct == ~LJ_TTHREAD)) { - lua_State *th = gco2th(o); - setgcrefr(th->gclist, g->gc.grayagain); - setgcref(g->gc.grayagain, o); - black2gray(o); /* Threads are never black. */ - gc_traverse_thread(g, th); - return sizeof(lua_State) + sizeof(TValue) * th->stacksize; - } else { -#if LJ_HASJIT - GCtrace *T = gco2trace(o); - gc_traverse_trace(g, T); - return ((sizeof(GCtrace)+7)&~7) + (T->nins-T->nk)*sizeof(IRIns) + - T->nsnap*sizeof(SnapShot) + T->nsnapmap*sizeof(SnapEntry); -#else - lua_assert(0); - return 0; -#endif - } -} - -/* Propagate all gray objects. */ -static size_t gc_propagate_gray(global_State *g) -{ - size_t m = 0; - while (gcref(g->gc.gray) != NULL) - m += propagatemark(g); - return m; -} - -/* -- Sweep phase --------------------------------------------------------- */ - -/* Try to shrink some common data structures. */ -static void gc_shrink(global_State *g, lua_State *L) -{ - if (g->strnum <= (g->strmask >> 2) && g->strmask > LJ_MIN_STRTAB*2-1) - lj_str_resize(L, g->strmask >> 1); /* Shrink string table. */ - if (g->tmpbuf.sz > LJ_MIN_SBUF*2) - lj_str_resizebuf(L, &g->tmpbuf, g->tmpbuf.sz >> 1); /* Shrink temp buf. */ -} - -/* Type of GC free functions. */ -typedef void (LJ_FASTCALL *GCFreeFunc)(global_State *g, GCobj *o); - -/* GC free functions for LJ_TSTR .. LJ_TUDATA. ORDER LJ_T */ -static const GCFreeFunc gc_freefunc[] = { - (GCFreeFunc)lj_str_free, - (GCFreeFunc)lj_func_freeuv, - (GCFreeFunc)lj_state_free, - (GCFreeFunc)lj_func_freeproto, - (GCFreeFunc)lj_func_free, -#if LJ_HASJIT - (GCFreeFunc)lj_trace_free, -#else - (GCFreeFunc)0, -#endif -#if LJ_HASFFI - (GCFreeFunc)lj_cdata_free, -#else - (GCFreeFunc)0, -#endif - (GCFreeFunc)lj_tab_free, - (GCFreeFunc)lj_udata_free -}; - -/* Full sweep of a GC list. */ -#define gc_fullsweep(g, p) gc_sweep(g, (p), LJ_MAX_MEM) - -/* Partial sweep of a GC list. */ -static GCRef *gc_sweep(global_State *g, GCRef *p, uint32_t lim) -{ - /* Mask with other white and LJ_GC_FIXED. Or LJ_GC_SFIXED on shutdown. */ - int ow = otherwhite(g); - GCobj *o; - while ((o = gcref(*p)) != NULL && lim-- > 0) { - if (o->gch.gct == ~LJ_TTHREAD) /* Need to sweep open upvalues, too. */ - gc_fullsweep(g, &gco2th(o)->openupval); - if (((o->gch.marked ^ LJ_GC_WHITES) & ow)) { /* Black or current white? */ - lua_assert(!isdead(g, o) || (o->gch.marked & LJ_GC_FIXED)); - makewhite(g, o); /* Value is alive, change to the current white. */ - p = &o->gch.nextgc; - } else { /* Otherwise value is dead, free it. */ - lua_assert(isdead(g, o) || ow == LJ_GC_SFIXED); - setgcrefr(*p, o->gch.nextgc); - if (o == gcref(g->gc.root)) - setgcrefr(g->gc.root, o->gch.nextgc); /* Adjust list anchor. */ - gc_freefunc[o->gch.gct - ~LJ_TSTR](g, o); - } - } - return p; -} - -/* Check whether we can clear a key or a value slot from a table. */ -static int gc_mayclear(cTValue *o, int val) -{ - if (tvisgcv(o)) { /* Only collectable objects can be weak references. */ - if (tvisstr(o)) { /* But strings cannot be used as weak references. */ - gc_mark_str(strV(o)); /* And need to be marked. */ - return 0; - } - if (iswhite(gcV(o))) - return 1; /* Object is about to be collected. */ - if (tvisudata(o) && val && isfinalized(udataV(o))) - return 1; /* Finalized userdata is dropped only from values. */ - } - return 0; /* Cannot clear. */ -} - -/* Clear collected entries from weak tables. */ -static void gc_clearweak(GCobj *o) -{ - while (o) { - GCtab *t = gco2tab(o); - lua_assert((t->marked & LJ_GC_WEAK)); - if ((t->marked & LJ_GC_WEAKVAL)) { - MSize i, asize = t->asize; - for (i = 0; i < asize; i++) { - /* Clear array slot when value is about to be collected. */ - TValue *tv = arrayslot(t, i); - if (gc_mayclear(tv, 1)) - setnilV(tv); - } - } - if (t->hmask > 0) { - Node *node = noderef(t->node); - MSize i, hmask = t->hmask; - for (i = 0; i <= hmask; i++) { - Node *n = &node[i]; - /* Clear hash slot when key or value is about to be collected. */ - if (!tvisnil(&n->val) && (gc_mayclear(&n->key, 0) || - gc_mayclear(&n->val, 1))) - setnilV(&n->val); - } - } - o = gcref(t->gclist); - } -} - -/* Call a userdata or cdata finalizer. */ -static void gc_call_finalizer(global_State *g, lua_State *L, - cTValue *mo, GCobj *o) -{ - /* Save and restore lots of state around the __gc callback. */ - uint8_t oldh = hook_save(g); - MSize oldt = g->gc.threshold; - int errcode; - TValue *top; - lj_trace_abort(g); - top = L->top; - L->top = top+2; - hook_entergc(g); /* Disable hooks and new traces during __gc. */ - g->gc.threshold = LJ_MAX_MEM; /* Prevent GC steps. */ - copyTV(L, top, mo); - setgcV(L, top+1, o, ~o->gch.gct); - errcode = lj_vm_pcall(L, top+1, 1+0, -1); /* Stack: |mo|o| -> | */ - hook_restore(g, oldh); - g->gc.threshold = oldt; /* Restore GC threshold. */ - if (errcode) - lj_err_throw(L, errcode); /* Propagate errors. */ -} - -/* Finalize one userdata or cdata object from the mmudata list. */ -static void gc_finalize(lua_State *L) -{ - global_State *g = G(L); - GCobj *o = gcnext(gcref(g->gc.mmudata)); - cTValue *mo; - lua_assert(gcref(g->jit_L) == NULL); /* Must not be called on trace. */ - /* Unchain from list of userdata to be finalized. */ - if (o == gcref(g->gc.mmudata)) - setgcrefnull(g->gc.mmudata); - else - setgcrefr(gcref(g->gc.mmudata)->gch.nextgc, o->gch.nextgc); -#if LJ_HASFFI - if (o->gch.gct == ~LJ_TCDATA) { - TValue tmp, *tv; - /* Add cdata back to the GC list and make it white. */ - setgcrefr(o->gch.nextgc, g->gc.root); - setgcref(g->gc.root, o); - makewhite(g, o); - o->gch.marked &= (uint8_t)~LJ_GC_CDATA_FIN; - /* Resolve finalizer. */ - setcdataV(L, &tmp, gco2cd(o)); - tv = lj_tab_set(L, ctype_ctsG(g)->finalizer, &tmp); - if (!tvisnil(tv)) { - copyTV(L, &tmp, tv); - setnilV(tv); /* Clear entry in finalizer table. */ - gc_call_finalizer(g, L, &tmp, o); - } - return; - } -#endif - /* Add userdata back to the main userdata list and make it white. */ - setgcrefr(o->gch.nextgc, mainthread(g)->nextgc); - setgcref(mainthread(g)->nextgc, o); - makewhite(g, o); - /* Resolve the __gc metamethod. */ - mo = lj_meta_fastg(g, tabref(gco2ud(o)->metatable), MM_gc); - if (mo) - gc_call_finalizer(g, L, mo, o); -} - -/* Finalize all userdata objects from mmudata list. */ -void lj_gc_finalize_udata(lua_State *L) -{ - while (gcref(G(L)->gc.mmudata) != NULL) - gc_finalize(L); -} - -#if LJ_HASFFI -/* Finalize all cdata objects from finalizer table. */ -void lj_gc_finalize_cdata(lua_State *L) -{ - global_State *g = G(L); - CTState *cts = ctype_ctsG(g); - if (cts) { - GCtab *t = cts->finalizer; - Node *node = noderef(t->node); - ptrdiff_t i; - setgcrefnull(t->metatable); /* Mark finalizer table as disabled. */ - for (i = (ptrdiff_t)t->hmask; i >= 0; i--) - if (!tvisnil(&node[i].val) && tviscdata(&node[i].key)) { - GCobj *o = gcV(&node[i].key); - TValue tmp; - makewhite(g, o); - o->gch.marked &= (uint8_t)~LJ_GC_CDATA_FIN; - copyTV(L, &tmp, &node[i].val); - setnilV(&node[i].val); - gc_call_finalizer(g, L, &tmp, o); - } - } -} -#endif - -/* Free all remaining GC objects. */ -void lj_gc_freeall(global_State *g) -{ - MSize i, strmask; - /* Free everything, except super-fixed objects (the main thread). */ - g->gc.currentwhite = LJ_GC_WHITES | LJ_GC_SFIXED; - gc_fullsweep(g, &g->gc.root); - strmask = g->strmask; - for (i = 0; i <= strmask; i++) /* Free all string hash chains. */ - gc_fullsweep(g, &g->strhash[i]); -} - -/* -- Collector ----------------------------------------------------------- */ - -/* Atomic part of the GC cycle, transitioning from mark to sweep phase. */ -static void atomic(global_State *g, lua_State *L) -{ - size_t udsize; - - gc_mark_uv(g); /* Need to remark open upvalues (the thread may be dead). */ - gc_propagate_gray(g); /* Propagate any left-overs. */ - - setgcrefr(g->gc.gray, g->gc.weak); /* Empty the list of weak tables. */ - setgcrefnull(g->gc.weak); - lua_assert(!iswhite(obj2gco(mainthread(g)))); - gc_markobj(g, L); /* Mark running thread. */ - gc_traverse_curtrace(g); /* Traverse current trace. */ - gc_mark_gcroot(g); /* Mark GC roots (again). */ - gc_propagate_gray(g); /* Propagate all of the above. */ - - setgcrefr(g->gc.gray, g->gc.grayagain); /* Empty the 2nd chance list. */ - setgcrefnull(g->gc.grayagain); - gc_propagate_gray(g); /* Propagate it. */ - - udsize = lj_gc_separateudata(g, 0); /* Separate userdata to be finalized. */ - gc_mark_mmudata(g); /* Mark them. */ - udsize += gc_propagate_gray(g); /* And propagate the marks. */ - - /* All marking done, clear weak tables. */ - gc_clearweak(gcref(g->gc.weak)); - - /* Prepare for sweep phase. */ - g->gc.currentwhite = (uint8_t)otherwhite(g); /* Flip current white. */ - g->strempty.marked = g->gc.currentwhite; - setmref(g->gc.sweep, &g->gc.root); - g->gc.estimate = g->gc.total - (MSize)udsize; /* Initial estimate. */ -} - -/* GC state machine. Returns a cost estimate for each step performed. */ -static size_t gc_onestep(lua_State *L) -{ - global_State *g = G(L); - switch (g->gc.state) { - case GCSpause: - gc_mark_start(g); /* Start a new GC cycle by marking all GC roots. */ - return 0; - case GCSpropagate: - if (gcref(g->gc.gray) != NULL) - return propagatemark(g); /* Propagate one gray object. */ - g->gc.state = GCSatomic; /* End of mark phase. */ - return 0; - case GCSatomic: - if (gcref(g->jit_L)) /* Don't run atomic phase on trace. */ - return LJ_MAX_MEM; - atomic(g, L); - g->gc.state = GCSsweepstring; /* Start of sweep phase. */ - g->gc.sweepstr = 0; - return 0; - case GCSsweepstring: { - MSize old = g->gc.total; - gc_fullsweep(g, &g->strhash[g->gc.sweepstr++]); /* Sweep one chain. */ - if (g->gc.sweepstr > g->strmask) - g->gc.state = GCSsweep; /* All string hash chains sweeped. */ - lua_assert(old >= g->gc.total); - g->gc.estimate -= old - g->gc.total; - return GCSWEEPCOST; - } - case GCSsweep: { - MSize old = g->gc.total; - setmref(g->gc.sweep, gc_sweep(g, mref(g->gc.sweep, GCRef), GCSWEEPMAX)); - if (gcref(*mref(g->gc.sweep, GCRef)) == NULL) { - gc_shrink(g, L); - if (gcref(g->gc.mmudata)) { /* Need any finalizations? */ - g->gc.state = GCSfinalize; - } else { /* Otherwise skip this phase to help the JIT. */ - g->gc.state = GCSpause; /* End of GC cycle. */ - g->gc.debt = 0; - } - } - lua_assert(old >= g->gc.total); - g->gc.estimate -= old - g->gc.total; - return GCSWEEPMAX*GCSWEEPCOST; - } - case GCSfinalize: - if (gcref(g->gc.mmudata) != NULL) { - if (gcref(g->jit_L)) /* Don't call finalizers on trace. */ - return LJ_MAX_MEM; - gc_finalize(L); /* Finalize one userdata object. */ - if (g->gc.estimate > GCFINALIZECOST) - g->gc.estimate -= GCFINALIZECOST; - return GCFINALIZECOST; - } - g->gc.state = GCSpause; /* End of GC cycle. */ - g->gc.debt = 0; - return 0; - default: - lua_assert(0); - return 0; - } -} - -/* Perform a limited amount of incremental GC steps. */ -int LJ_FASTCALL lj_gc_step(lua_State *L) -{ - global_State *g = G(L); - MSize lim; - int32_t ostate = g->vmstate; - setvmstate(g, GC); - lim = (GCSTEPSIZE/100) * g->gc.stepmul; - if (lim == 0) - lim = LJ_MAX_MEM; - g->gc.debt += g->gc.total - g->gc.threshold; - do { - lim -= (MSize)gc_onestep(L); - if (g->gc.state == GCSpause) { - g->gc.threshold = (g->gc.estimate/100) * g->gc.pause; - g->vmstate = ostate; - return 1; /* Finished a GC cycle. */ - } - } while ((int32_t)lim > 0); - if (g->gc.debt < GCSTEPSIZE) { - g->gc.threshold = g->gc.total + GCSTEPSIZE; - } else { - g->gc.debt -= GCSTEPSIZE; - g->gc.threshold = g->gc.total; - } - g->vmstate = ostate; - return 0; -} - -/* Ditto, but fix the stack top first. */ -void LJ_FASTCALL lj_gc_step_fixtop(lua_State *L) -{ - if (curr_funcisL(L)) L->top = curr_topL(L); - lj_gc_step(L); -} - -#if LJ_HASJIT -/* Perform multiple GC steps. Called from JIT-compiled code. */ -int LJ_FASTCALL lj_gc_step_jit(global_State *g, MSize steps) -{ - lua_State *L = gco2th(gcref(g->jit_L)); - L->base = mref(G(L)->jit_base, TValue); - L->top = curr_topL(L); - while (steps-- > 0 && lj_gc_step(L) == 0) - ; - /* Return 1 to force a trace exit. */ - return (G(L)->gc.state == GCSatomic || G(L)->gc.state == GCSfinalize); -} -#endif - -/* Perform a full GC cycle. */ -void lj_gc_fullgc(lua_State *L) -{ - global_State *g = G(L); - int32_t ostate = g->vmstate; - setvmstate(g, GC); - if (g->gc.state <= GCSatomic) { /* Caught somewhere in the middle. */ - setmref(g->gc.sweep, &g->gc.root); /* Sweep everything (preserving it). */ - setgcrefnull(g->gc.gray); /* Reset lists from partial propagation. */ - setgcrefnull(g->gc.grayagain); - setgcrefnull(g->gc.weak); - g->gc.state = GCSsweepstring; /* Fast forward to the sweep phase. */ - g->gc.sweepstr = 0; - } - while (g->gc.state == GCSsweepstring || g->gc.state == GCSsweep) - gc_onestep(L); /* Finish sweep. */ - lua_assert(g->gc.state == GCSfinalize || g->gc.state == GCSpause); - /* Now perform a full GC. */ - g->gc.state = GCSpause; - do { gc_onestep(L); } while (g->gc.state != GCSpause); - g->gc.threshold = (g->gc.estimate/100) * g->gc.pause; - g->vmstate = ostate; -} - -/* -- Write barriers ------------------------------------------------------ */ - -/* Move the GC propagation frontier forward. */ -void lj_gc_barrierf(global_State *g, GCobj *o, GCobj *v) -{ - lua_assert(isblack(o) && iswhite(v) && !isdead(g, v) && !isdead(g, o)); - lua_assert(g->gc.state != GCSfinalize && g->gc.state != GCSpause); - lua_assert(o->gch.gct != ~LJ_TTAB); - /* Preserve invariant during propagation. Otherwise it doesn't matter. */ - if (g->gc.state == GCSpropagate || g->gc.state == GCSatomic) - gc_mark(g, v); /* Move frontier forward. */ - else - makewhite(g, o); /* Make it white to avoid the following barrier. */ -} - -/* Specialized barrier for closed upvalue. Pass &uv->tv. */ -void LJ_FASTCALL lj_gc_barrieruv(global_State *g, TValue *tv) -{ -#define TV2MARKED(x) \ - (*((uint8_t *)(x) - offsetof(GCupval, tv) + offsetof(GCupval, marked))) - if (g->gc.state == GCSpropagate || g->gc.state == GCSatomic) - gc_mark(g, gcV(tv)); - else - TV2MARKED(tv) = (TV2MARKED(tv) & (uint8_t)~LJ_GC_COLORS) | curwhite(g); -#undef TV2MARKED -} - -/* Close upvalue. Also needs a write barrier. */ -void lj_gc_closeuv(global_State *g, GCupval *uv) -{ - GCobj *o = obj2gco(uv); - /* Copy stack slot to upvalue itself and point to the copy. */ - copyTV(mainthread(g), &uv->tv, uvval(uv)); - setmref(uv->v, &uv->tv); - uv->closed = 1; - setgcrefr(o->gch.nextgc, g->gc.root); - setgcref(g->gc.root, o); - if (isgray(o)) { /* A closed upvalue is never gray, so fix this. */ - if (g->gc.state == GCSpropagate || g->gc.state == GCSatomic) { - gray2black(o); /* Make it black and preserve invariant. */ - if (tviswhite(&uv->tv)) - lj_gc_barrierf(g, o, gcV(&uv->tv)); - } else { - makewhite(g, o); /* Make it white, i.e. sweep the upvalue. */ - lua_assert(g->gc.state != GCSfinalize && g->gc.state != GCSpause); - } - } -} - -#if LJ_HASJIT -/* Mark a trace if it's saved during the propagation phase. */ -void lj_gc_barriertrace(global_State *g, uint32_t traceno) -{ - if (g->gc.state == GCSpropagate || g->gc.state == GCSatomic) - gc_marktrace(g, traceno); -} -#endif - -/* -- Allocator ----------------------------------------------------------- */ - -/* Call pluggable memory allocator to allocate or resize a fragment. */ -void *lj_mem_realloc(lua_State *L, void *p, MSize osz, MSize nsz) -{ - global_State *g = G(L); - lua_assert((osz == 0) == (p == NULL)); - p = g->allocf(g->allocd, p, osz, nsz); - if (p == NULL && nsz > 0) - lj_err_mem(L); - lua_assert((nsz == 0) == (p == NULL)); - lua_assert(checkptr32(p)); - g->gc.total = (g->gc.total - osz) + nsz; - return p; -} - -/* Allocate new GC object and link it to the root set. */ -void * LJ_FASTCALL lj_mem_newgco(lua_State *L, MSize size) -{ - global_State *g = G(L); - GCobj *o = (GCobj *)g->allocf(g->allocd, NULL, 0, size); - if (o == NULL) - lj_err_mem(L); - lua_assert(checkptr32(o)); - g->gc.total += size; - setgcrefr(o->gch.nextgc, g->gc.root); - setgcref(g->gc.root, o); - newwhite(g, o); - return o; -} - -/* Resize growable vector. */ -void *lj_mem_grow(lua_State *L, void *p, MSize *szp, MSize lim, MSize esz) -{ - MSize sz = (*szp) << 1; - if (sz < LJ_MIN_VECSZ) - sz = LJ_MIN_VECSZ; - if (sz > lim) - sz = lim; - p = lj_mem_realloc(L, p, (*szp)*esz, sz*esz); - *szp = sz; - return p; -} - diff --git a/libraries/luajit-2.0/src/lj_gc.h b/libraries/luajit-2.0/src/lj_gc.h deleted file mode 100644 index dd7f87b..0000000 --- a/libraries/luajit-2.0/src/lj_gc.h +++ /dev/null @@ -1,133 +0,0 @@ -/* -** Garbage collector. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_GC_H -#define _LJ_GC_H - -#include "lj_obj.h" - -/* Garbage collector states. Order matters. */ -enum { - GCSpause, GCSpropagate, GCSatomic, GCSsweepstring, GCSsweep, GCSfinalize -}; - -/* Bitmasks for marked field of GCobj. */ -#define LJ_GC_WHITE0 0x01 -#define LJ_GC_WHITE1 0x02 -#define LJ_GC_BLACK 0x04 -#define LJ_GC_FINALIZED 0x08 -#define LJ_GC_WEAKKEY 0x08 -#define LJ_GC_WEAKVAL 0x10 -#define LJ_GC_CDATA_FIN 0x10 -#define LJ_GC_FIXED 0x20 -#define LJ_GC_SFIXED 0x40 - -#define LJ_GC_WHITES (LJ_GC_WHITE0 | LJ_GC_WHITE1) -#define LJ_GC_COLORS (LJ_GC_WHITES | LJ_GC_BLACK) -#define LJ_GC_WEAK (LJ_GC_WEAKKEY | LJ_GC_WEAKVAL) - -/* Macros to test and set GCobj colors. */ -#define iswhite(x) ((x)->gch.marked & LJ_GC_WHITES) -#define isblack(x) ((x)->gch.marked & LJ_GC_BLACK) -#define isgray(x) (!((x)->gch.marked & (LJ_GC_BLACK|LJ_GC_WHITES))) -#define tviswhite(x) (tvisgcv(x) && iswhite(gcV(x))) -#define otherwhite(g) (g->gc.currentwhite ^ LJ_GC_WHITES) -#define isdead(g, v) ((v)->gch.marked & otherwhite(g) & LJ_GC_WHITES) - -#define curwhite(g) ((g)->gc.currentwhite & LJ_GC_WHITES) -#define newwhite(g, x) (obj2gco(x)->gch.marked = (uint8_t)curwhite(g)) -#define makewhite(g, x) \ - ((x)->gch.marked = ((x)->gch.marked & (uint8_t)~LJ_GC_COLORS) | curwhite(g)) -#define flipwhite(x) ((x)->gch.marked ^= LJ_GC_WHITES) -#define black2gray(x) ((x)->gch.marked &= (uint8_t)~LJ_GC_BLACK) -#define fixstring(s) ((s)->marked |= LJ_GC_FIXED) - -/* Collector. */ -LJ_FUNC size_t lj_gc_separateudata(global_State *g, int all); -LJ_FUNC void lj_gc_finalize_udata(lua_State *L); -#if LJ_HASFFI -LJ_FUNC void lj_gc_finalize_cdata(lua_State *L); -#else -#define lj_gc_finalize_cdata(L) UNUSED(L) -#endif -LJ_FUNC void lj_gc_freeall(global_State *g); -LJ_FUNCA int LJ_FASTCALL lj_gc_step(lua_State *L); -LJ_FUNCA void LJ_FASTCALL lj_gc_step_fixtop(lua_State *L); -#if LJ_HASJIT -LJ_FUNC int LJ_FASTCALL lj_gc_step_jit(global_State *g, MSize steps); -#endif -LJ_FUNC void lj_gc_fullgc(lua_State *L); - -/* GC check: drive collector forward if the GC threshold has been reached. */ -#define lj_gc_check(L) \ - { if (LJ_UNLIKELY(G(L)->gc.total >= G(L)->gc.threshold)) \ - lj_gc_step(L); } -#define lj_gc_check_fixtop(L) \ - { if (LJ_UNLIKELY(G(L)->gc.total >= G(L)->gc.threshold)) \ - lj_gc_step_fixtop(L); } - -/* Write barriers. */ -LJ_FUNC void lj_gc_barrierf(global_State *g, GCobj *o, GCobj *v); -LJ_FUNCA void LJ_FASTCALL lj_gc_barrieruv(global_State *g, TValue *tv); -LJ_FUNC void lj_gc_closeuv(global_State *g, GCupval *uv); -#if LJ_HASJIT -LJ_FUNC void lj_gc_barriertrace(global_State *g, uint32_t traceno); -#endif - -/* Move the GC propagation frontier back for tables (make it gray again). */ -static LJ_AINLINE void lj_gc_barrierback(global_State *g, GCtab *t) -{ - GCobj *o = obj2gco(t); - lua_assert(isblack(o) && !isdead(g, o)); - lua_assert(g->gc.state != GCSfinalize && g->gc.state != GCSpause); - black2gray(o); - setgcrefr(t->gclist, g->gc.grayagain); - setgcref(g->gc.grayagain, o); -} - -/* Barrier for stores to table objects. TValue and GCobj variant. */ -#define lj_gc_anybarriert(L, t) \ - { if (LJ_UNLIKELY(isblack(obj2gco(t)))) lj_gc_barrierback(G(L), (t)); } -#define lj_gc_barriert(L, t, tv) \ - { if (tviswhite(tv) && isblack(obj2gco(t))) \ - lj_gc_barrierback(G(L), (t)); } -#define lj_gc_objbarriert(L, t, o) \ - { if (iswhite(obj2gco(o)) && isblack(obj2gco(t))) \ - lj_gc_barrierback(G(L), (t)); } - -/* Barrier for stores to any other object. TValue and GCobj variant. */ -#define lj_gc_barrier(L, p, tv) \ - { if (tviswhite(tv) && isblack(obj2gco(p))) \ - lj_gc_barrierf(G(L), obj2gco(p), gcV(tv)); } -#define lj_gc_objbarrier(L, p, o) \ - { if (iswhite(obj2gco(o)) && isblack(obj2gco(p))) \ - lj_gc_barrierf(G(L), obj2gco(p), obj2gco(o)); } - -/* Allocator. */ -LJ_FUNC void *lj_mem_realloc(lua_State *L, void *p, MSize osz, MSize nsz); -LJ_FUNC void * LJ_FASTCALL lj_mem_newgco(lua_State *L, MSize size); -LJ_FUNC void *lj_mem_grow(lua_State *L, void *p, - MSize *szp, MSize lim, MSize esz); - -#define lj_mem_new(L, s) lj_mem_realloc(L, NULL, 0, (s)) - -static LJ_AINLINE void lj_mem_free(global_State *g, void *p, size_t osize) -{ - g->gc.total -= (MSize)osize; - g->allocf(g->allocd, p, osize, 0); -} - -#define lj_mem_newvec(L, n, t) ((t *)lj_mem_new(L, (MSize)((n)*sizeof(t)))) -#define lj_mem_reallocvec(L, p, on, n, t) \ - ((p) = (t *)lj_mem_realloc(L, p, (on)*sizeof(t), (MSize)((n)*sizeof(t)))) -#define lj_mem_growvec(L, p, n, m, t) \ - ((p) = (t *)lj_mem_grow(L, (p), &(n), (m), (MSize)sizeof(t))) -#define lj_mem_freevec(g, p, n, t) lj_mem_free(g, (p), (n)*sizeof(t)) - -#define lj_mem_newobj(L, t) ((t *)lj_mem_newgco(L, sizeof(t))) -#define lj_mem_newt(L, s, t) ((t *)lj_mem_new(L, (s))) -#define lj_mem_freet(g, p) lj_mem_free(g, (p), sizeof(*(p))) - -#endif diff --git a/libraries/luajit-2.0/src/lj_gdbjit.c b/libraries/luajit-2.0/src/lj_gdbjit.c deleted file mode 100644 index 130ab99..0000000 --- a/libraries/luajit-2.0/src/lj_gdbjit.c +++ /dev/null @@ -1,783 +0,0 @@ -/* -** Client for the GDB JIT API. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_gdbjit_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_debug.h" -#include "lj_frame.h" -#include "lj_jit.h" -#include "lj_dispatch.h" - -/* This is not compiled in by default. -** Enable with -DLUAJIT_USE_GDBJIT in the Makefile and recompile everything. -*/ -#ifdef LUAJIT_USE_GDBJIT - -/* The GDB JIT API allows JIT compilers to pass debug information about -** JIT-compiled code back to GDB. You need at least GDB 7.0 or higher -** to see it in action. -** -** This is a passive API, so it works even when not running under GDB -** or when attaching to an already running process. Alas, this implies -** enabling it always has a non-negligible overhead -- do not use in -** release mode! -** -** The LuaJIT GDB JIT client is rather minimal at the moment. It gives -** each trace a symbol name and adds a source location and frame unwind -** information. Obviously LuaJIT itself and any embedding C application -** should be compiled with debug symbols, too (see the Makefile). -** -** Traces are named TRACE_1, TRACE_2, ... these correspond to the trace -** numbers from -jv or -jdump. Use "break TRACE_1" or "tbreak TRACE_1" etc. -** to set breakpoints on specific traces (even ahead of their creation). -** -** The source location for each trace allows listing the corresponding -** source lines with the GDB command "list" (but only if the Lua source -** has been loaded from a file). Currently this is always set to the -** location where the trace has been started. -** -** Frame unwind information can be inspected with the GDB command -** "info frame". This also allows proper backtraces across JIT-compiled -** code with the GDB command "bt". -** -** You probably want to add the following settings to a .gdbinit file -** (or add them to ~/.gdbinit): -** set disassembly-flavor intel -** set breakpoint pending on -** -** Here's a sample GDB session: -** ------------------------------------------------------------------------ - -$ cat >x.lua -for outer=1,100 do - for inner=1,100 do end -end -^D - -$ luajit -jv x.lua -[TRACE 1 x.lua:2] -[TRACE 2 (1/3) x.lua:1 -> 1] - -$ gdb --quiet --args luajit x.lua -(gdb) tbreak TRACE_1 -Function "TRACE_1" not defined. -Temporary breakpoint 1 (TRACE_1) pending. -(gdb) run -Starting program: luajit x.lua - -Temporary breakpoint 1, TRACE_1 () at x.lua:2 -2 for inner=1,100 do end -(gdb) list -1 for outer=1,100 do -2 for inner=1,100 do end -3 end -(gdb) bt -#0 TRACE_1 () at x.lua:2 -#1 0x08053690 in lua_pcall [...] -[...] -#7 0x0806ff90 in main [...] -(gdb) disass TRACE_1 -Dump of assembler code for function TRACE_1: -0xf7fd9fba : mov DWORD PTR ds:0xf7e0e2a0,0x1 -0xf7fd9fc4 : movsd xmm7,QWORD PTR [edx+0x20] -[...] -0xf7fd9ff8 : jmp 0xf7fd2014 -End of assembler dump. -(gdb) tbreak TRACE_2 -Function "TRACE_2" not defined. -Temporary breakpoint 2 (TRACE_2) pending. -(gdb) cont -Continuing. - -Temporary breakpoint 2, TRACE_2 () at x.lua:1 -1 for outer=1,100 do -(gdb) info frame -Stack level 0, frame at 0xffffd7c0: - eip = 0xf7fd9f60 in TRACE_2 (x.lua:1); saved eip 0x8053690 - called by frame at 0xffffd7e0 - source language unknown. - Arglist at 0xffffd78c, args: - Locals at 0xffffd78c, Previous frame's sp is 0xffffd7c0 - Saved registers: - ebx at 0xffffd7ac, ebp at 0xffffd7b8, esi at 0xffffd7b0, edi at 0xffffd7b4, - eip at 0xffffd7bc -(gdb) - -** ------------------------------------------------------------------------ -*/ - -/* -- GDB JIT API --------------------------------------------------------- */ - -/* GDB JIT actions. */ -enum { - GDBJIT_NOACTION = 0, - GDBJIT_REGISTER, - GDBJIT_UNREGISTER -}; - -/* GDB JIT entry. */ -typedef struct GDBJITentry { - struct GDBJITentry *next_entry; - struct GDBJITentry *prev_entry; - const char *symfile_addr; - uint64_t symfile_size; -} GDBJITentry; - -/* GDB JIT descriptor. */ -typedef struct GDBJITdesc { - uint32_t version; - uint32_t action_flag; - GDBJITentry *relevant_entry; - GDBJITentry *first_entry; -} GDBJITdesc; - -GDBJITdesc __jit_debug_descriptor = { - 1, GDBJIT_NOACTION, NULL, NULL -}; - -/* GDB sets a breakpoint at this function. */ -void LJ_NOINLINE __jit_debug_register_code() -{ - __asm__ __volatile__(""); -}; - -/* -- In-memory ELF object definitions ------------------------------------ */ - -/* ELF definitions. */ -typedef struct ELFheader { - uint8_t emagic[4]; - uint8_t eclass; - uint8_t eendian; - uint8_t eversion; - uint8_t eosabi; - uint8_t eabiversion; - uint8_t epad[7]; - uint16_t type; - uint16_t machine; - uint32_t version; - uintptr_t entry; - uintptr_t phofs; - uintptr_t shofs; - uint32_t flags; - uint16_t ehsize; - uint16_t phentsize; - uint16_t phnum; - uint16_t shentsize; - uint16_t shnum; - uint16_t shstridx; -} ELFheader; - -typedef struct ELFsectheader { - uint32_t name; - uint32_t type; - uintptr_t flags; - uintptr_t addr; - uintptr_t ofs; - uintptr_t size; - uint32_t link; - uint32_t info; - uintptr_t align; - uintptr_t entsize; -} ELFsectheader; - -#define ELFSECT_IDX_ABS 0xfff1 - -enum { - ELFSECT_TYPE_PROGBITS = 1, - ELFSECT_TYPE_SYMTAB = 2, - ELFSECT_TYPE_STRTAB = 3, - ELFSECT_TYPE_NOBITS = 8 -}; - -#define ELFSECT_FLAGS_WRITE 1 -#define ELFSECT_FLAGS_ALLOC 2 -#define ELFSECT_FLAGS_EXEC 4 - -typedef struct ELFsymbol { -#if LJ_64 - uint32_t name; - uint8_t info; - uint8_t other; - uint16_t sectidx; - uintptr_t value; - uint64_t size; -#else - uint32_t name; - uintptr_t value; - uint32_t size; - uint8_t info; - uint8_t other; - uint16_t sectidx; -#endif -} ELFsymbol; - -enum { - ELFSYM_TYPE_FUNC = 2, - ELFSYM_TYPE_FILE = 4, - ELFSYM_BIND_LOCAL = 0 << 4, - ELFSYM_BIND_GLOBAL = 1 << 4, -}; - -/* DWARF definitions. */ -#define DW_CIE_VERSION 1 - -enum { - DW_CFA_nop = 0x0, - DW_CFA_offset_extended = 0x5, - DW_CFA_def_cfa = 0xc, - DW_CFA_def_cfa_offset = 0xe, - DW_CFA_offset_extended_sf = 0x11, - DW_CFA_advance_loc = 0x40, - DW_CFA_offset = 0x80 -}; - -enum { - DW_EH_PE_udata4 = 3, - DW_EH_PE_textrel = 0x20 -}; - -enum { - DW_TAG_compile_unit = 0x11 -}; - -enum { - DW_children_no = 0, - DW_children_yes = 1 -}; - -enum { - DW_AT_name = 0x03, - DW_AT_stmt_list = 0x10, - DW_AT_low_pc = 0x11, - DW_AT_high_pc = 0x12 -}; - -enum { - DW_FORM_addr = 0x01, - DW_FORM_data4 = 0x06, - DW_FORM_string = 0x08 -}; - -enum { - DW_LNS_extended_op = 0, - DW_LNS_copy = 1, - DW_LNS_advance_pc = 2, - DW_LNS_advance_line = 3 -}; - -enum { - DW_LNE_end_sequence = 1, - DW_LNE_set_address = 2 -}; - -enum { -#if LJ_TARGET_X86 - DW_REG_AX, DW_REG_CX, DW_REG_DX, DW_REG_BX, - DW_REG_SP, DW_REG_BP, DW_REG_SI, DW_REG_DI, - DW_REG_RA, -#elif LJ_TARGET_X64 - /* Yes, the order is strange, but correct. */ - DW_REG_AX, DW_REG_DX, DW_REG_CX, DW_REG_BX, - DW_REG_SI, DW_REG_DI, DW_REG_BP, DW_REG_SP, - DW_REG_8, DW_REG_9, DW_REG_10, DW_REG_11, - DW_REG_12, DW_REG_13, DW_REG_14, DW_REG_15, - DW_REG_RA, -#elif LJ_TARGET_ARM - DW_REG_SP = 13, - DW_REG_RA = 14, -#elif LJ_TARGET_PPC - DW_REG_SP = 1, - DW_REG_RA = 65, - DW_REG_CR = 70, -#else -#error "Unsupported target architecture" -#endif -}; - -/* Minimal list of sections for the in-memory ELF object. */ -enum { - GDBJIT_SECT_NULL, - GDBJIT_SECT_text, - GDBJIT_SECT_eh_frame, - GDBJIT_SECT_shstrtab, - GDBJIT_SECT_strtab, - GDBJIT_SECT_symtab, - GDBJIT_SECT_debug_info, - GDBJIT_SECT_debug_abbrev, - GDBJIT_SECT_debug_line, - GDBJIT_SECT__MAX -}; - -enum { - GDBJIT_SYM_UNDEF, - GDBJIT_SYM_FILE, - GDBJIT_SYM_FUNC, - GDBJIT_SYM__MAX -}; - -/* In-memory ELF object. */ -typedef struct GDBJITobj { - ELFheader hdr; /* ELF header. */ - ELFsectheader sect[GDBJIT_SECT__MAX]; /* ELF sections. */ - ELFsymbol sym[GDBJIT_SYM__MAX]; /* ELF symbol table. */ - uint8_t space[4096]; /* Space for various section data. */ -} GDBJITobj; - -/* Combined structure for GDB JIT entry and ELF object. */ -typedef struct GDBJITentryobj { - GDBJITentry entry; - size_t sz; - GDBJITobj obj; -} GDBJITentryobj; - -/* Template for in-memory ELF header. */ -static const ELFheader elfhdr_template = { - .emagic = { 0x7f, 'E', 'L', 'F' }, - .eclass = LJ_64 ? 2 : 1, - .eendian = LJ_ENDIAN_SELECT(1, 2), - .eversion = 1, -#if LJ_TARGET_LINUX - .eosabi = 0, /* Nope, it's not 3. */ -#elif defined(__FreeBSD__) - .eosabi = 9, -#elif defined(__NetBSD__) - .eosabi = 2, -#elif defined(__OpenBSD__) - .eosabi = 12, -#elif (defined(__sun__) && defined(__svr4__)) || defined(__solaris__) - .eosabi = 6, -#else - .eosabi = 0, -#endif - .eabiversion = 0, - .epad = { 0, 0, 0, 0, 0, 0, 0 }, - .type = 1, -#if LJ_TARGET_X86 - .machine = 3, -#elif LJ_TARGET_X64 - .machine = 62, -#elif LJ_TARGET_ARM - .machine = 40, -#elif LJ_TARGET_PPC - .machine = 20, -#else -#error "Unsupported target architecture" -#endif - .version = 1, - .entry = 0, - .phofs = 0, - .shofs = offsetof(GDBJITobj, sect), - .flags = 0, - .ehsize = sizeof(ELFheader), - .phentsize = 0, - .phnum = 0, - .shentsize = sizeof(ELFsectheader), - .shnum = GDBJIT_SECT__MAX, - .shstridx = GDBJIT_SECT_shstrtab -}; - -/* -- In-memory ELF object generation ------------------------------------- */ - -/* Context for generating the ELF object for the GDB JIT API. */ -typedef struct GDBJITctx { - uint8_t *p; /* Pointer to next address in obj.space. */ - uint8_t *startp; /* Pointer to start address in obj.space. */ - GCtrace *T; /* Generate symbols for this trace. */ - uintptr_t mcaddr; /* Machine code address. */ - MSize szmcode; /* Size of machine code. */ - MSize spadjp; /* Stack adjustment for parent trace or interpreter. */ - MSize spadj; /* Stack adjustment for trace itself. */ - BCLine lineno; /* Starting line number. */ - const char *filename; /* Starting file name. */ - size_t objsize; /* Final size of ELF object. */ - GDBJITobj obj; /* In-memory ELF object. */ -} GDBJITctx; - -/* Add a zero-terminated string. */ -static uint32_t gdbjit_strz(GDBJITctx *ctx, const char *str) -{ - uint8_t *p = ctx->p; - uint32_t ofs = (uint32_t)(p - ctx->startp); - do { - *p++ = (uint8_t)*str; - } while (*str++); - ctx->p = p; - return ofs; -} - -/* Append a decimal number. */ -static void gdbjit_catnum(GDBJITctx *ctx, uint32_t n) -{ - if (n >= 10) { uint32_t m = n / 10; n = n % 10; gdbjit_catnum(ctx, m); } - *ctx->p++ = '0' + n; -} - -/* Add a ULEB128 value. */ -static void gdbjit_uleb128(GDBJITctx *ctx, uint32_t v) -{ - uint8_t *p = ctx->p; - for (; v >= 0x80; v >>= 7) - *p++ = (uint8_t)((v & 0x7f) | 0x80); - *p++ = (uint8_t)v; - ctx->p = p; -} - -/* Add a SLEB128 value. */ -static void gdbjit_sleb128(GDBJITctx *ctx, int32_t v) -{ - uint8_t *p = ctx->p; - for (; (uint32_t)(v+0x40) >= 0x80; v >>= 7) - *p++ = (uint8_t)((v & 0x7f) | 0x80); - *p++ = (uint8_t)(v & 0x7f); - ctx->p = p; -} - -/* Shortcuts to generate DWARF structures. */ -#define DB(x) (*p++ = (x)) -#define DI8(x) (*(int8_t *)p = (x), p++) -#define DU16(x) (*(uint16_t *)p = (x), p += 2) -#define DU32(x) (*(uint32_t *)p = (x), p += 4) -#define DADDR(x) (*(uintptr_t *)p = (x), p += sizeof(uintptr_t)) -#define DUV(x) (ctx->p = p, gdbjit_uleb128(ctx, (x)), p = ctx->p) -#define DSV(x) (ctx->p = p, gdbjit_sleb128(ctx, (x)), p = ctx->p) -#define DSTR(str) (ctx->p = p, gdbjit_strz(ctx, (str)), p = ctx->p) -#define DALIGNNOP(s) while ((uintptr_t)p & ((s)-1)) *p++ = DW_CFA_nop -#define DSECT(name, stmt) \ - { uint32_t *szp_##name = (uint32_t *)p; p += 4; stmt \ - *szp_##name = (uint32_t)((p-(uint8_t *)szp_##name)-4); } \ - -/* Initialize ELF section headers. */ -static void LJ_FASTCALL gdbjit_secthdr(GDBJITctx *ctx) -{ - ELFsectheader *sect; - - *ctx->p++ = '\0'; /* Empty string at start of string table. */ - -#define SECTDEF(id, tp, al) \ - sect = &ctx->obj.sect[GDBJIT_SECT_##id]; \ - sect->name = gdbjit_strz(ctx, "." #id); \ - sect->type = ELFSECT_TYPE_##tp; \ - sect->align = (al) - - SECTDEF(text, NOBITS, 16); - sect->flags = ELFSECT_FLAGS_ALLOC|ELFSECT_FLAGS_EXEC; - sect->addr = ctx->mcaddr; - sect->ofs = 0; - sect->size = ctx->szmcode; - - SECTDEF(eh_frame, PROGBITS, sizeof(uintptr_t)); - sect->flags = ELFSECT_FLAGS_ALLOC; - - SECTDEF(shstrtab, STRTAB, 1); - SECTDEF(strtab, STRTAB, 1); - - SECTDEF(symtab, SYMTAB, sizeof(uintptr_t)); - sect->ofs = offsetof(GDBJITobj, sym); - sect->size = sizeof(ctx->obj.sym); - sect->link = GDBJIT_SECT_strtab; - sect->entsize = sizeof(ELFsymbol); - sect->info = GDBJIT_SYM_FUNC; - - SECTDEF(debug_info, PROGBITS, 1); - SECTDEF(debug_abbrev, PROGBITS, 1); - SECTDEF(debug_line, PROGBITS, 1); - -#undef SECTDEF -} - -/* Initialize symbol table. */ -static void LJ_FASTCALL gdbjit_symtab(GDBJITctx *ctx) -{ - ELFsymbol *sym; - - *ctx->p++ = '\0'; /* Empty string at start of string table. */ - - sym = &ctx->obj.sym[GDBJIT_SYM_FILE]; - sym->name = gdbjit_strz(ctx, "JIT mcode"); - sym->sectidx = ELFSECT_IDX_ABS; - sym->info = ELFSYM_TYPE_FILE|ELFSYM_BIND_LOCAL; - - sym = &ctx->obj.sym[GDBJIT_SYM_FUNC]; - sym->name = gdbjit_strz(ctx, "TRACE_"); ctx->p--; - gdbjit_catnum(ctx, ctx->T->traceno); *ctx->p++ = '\0'; - sym->sectidx = GDBJIT_SECT_text; - sym->value = 0; - sym->size = ctx->szmcode; - sym->info = ELFSYM_TYPE_FUNC|ELFSYM_BIND_GLOBAL; -} - -/* Initialize .eh_frame section. */ -static void LJ_FASTCALL gdbjit_ehframe(GDBJITctx *ctx) -{ - uint8_t *p = ctx->p; - uint8_t *framep = p; - - /* Emit DWARF EH CIE. */ - DSECT(CIE, - DU32(0); /* Offset to CIE itself. */ - DB(DW_CIE_VERSION); - DSTR("zR"); /* Augmentation. */ - DUV(1); /* Code alignment factor. */ - DSV(-(int32_t)sizeof(uintptr_t)); /* Data alignment factor. */ - DB(DW_REG_RA); /* Return address register. */ - DB(1); DB(DW_EH_PE_textrel|DW_EH_PE_udata4); /* Augmentation data. */ - DB(DW_CFA_def_cfa); DUV(DW_REG_SP); DUV(sizeof(uintptr_t)); -#if LJ_TARGET_PPC - DB(DW_CFA_offset_extended_sf); DB(DW_REG_RA); DSV(-1); -#else - DB(DW_CFA_offset|DW_REG_RA); DUV(1); -#endif - DALIGNNOP(sizeof(uintptr_t)); - ) - - /* Emit DWARF EH FDE. */ - DSECT(FDE, - DU32((uint32_t)(p-framep)); /* Offset to CIE. */ - DU32(0); /* Machine code offset relative to .text. */ - DU32(ctx->szmcode); /* Machine code length. */ - DB(0); /* Augmentation data. */ - /* Registers saved in CFRAME. */ -#if LJ_TARGET_X86 - DB(DW_CFA_offset|DW_REG_BP); DUV(2); - DB(DW_CFA_offset|DW_REG_DI); DUV(3); - DB(DW_CFA_offset|DW_REG_SI); DUV(4); - DB(DW_CFA_offset|DW_REG_BX); DUV(5); -#elif LJ_TARGET_X64 - DB(DW_CFA_offset|DW_REG_BP); DUV(2); - DB(DW_CFA_offset|DW_REG_BX); DUV(3); - DB(DW_CFA_offset|DW_REG_15); DUV(4); - DB(DW_CFA_offset|DW_REG_14); DUV(5); - /* Extra registers saved for JIT-compiled code. */ - DB(DW_CFA_offset|DW_REG_13); DUV(9); - DB(DW_CFA_offset|DW_REG_12); DUV(10); -#elif LJ_TARGET_ARM - { - int i; - DB(DW_CFA_offset_extended); DB(DW_REG_CR); DUV(55); - for (i = 11; i >= 4; i--) { /* R4-R11. */ - DB(DW_CFA_offset|i); DUV(2+(11-i)); - } - } -#elif LJ_TARGET_PPC - { - int i; - for (i = 14; i <= 31; i++) { - DB(DW_CFA_offset|i); DUV(37+(31-i)); - DB(DW_CFA_offset|32|i); DUV(2+2*(31-i)); - } - } -#else -#error "Unsupported target architecture" -#endif - if (ctx->spadjp != ctx->spadj) { /* Parent/interpreter stack frame size. */ - DB(DW_CFA_def_cfa_offset); DUV(ctx->spadjp); - DB(DW_CFA_advance_loc|1); /* Only an approximation. */ - } - DB(DW_CFA_def_cfa_offset); DUV(ctx->spadj); /* Trace stack frame size. */ - DALIGNNOP(sizeof(uintptr_t)); - ) - - ctx->p = p; -} - -/* Initialize .debug_info section. */ -static void LJ_FASTCALL gdbjit_debuginfo(GDBJITctx *ctx) -{ - uint8_t *p = ctx->p; - - DSECT(info, - DU16(2); /* DWARF version. */ - DU32(0); /* Abbrev offset. */ - DB(sizeof(uintptr_t)); /* Pointer size. */ - - DUV(1); /* Abbrev #1: DW_TAG_compile_unit. */ - DSTR(ctx->filename); /* DW_AT_name. */ - DADDR(ctx->mcaddr); /* DW_AT_low_pc. */ - DADDR(ctx->mcaddr + ctx->szmcode); /* DW_AT_high_pc. */ - DU32(0); /* DW_AT_stmt_list. */ - ) - - ctx->p = p; -} - -/* Initialize .debug_abbrev section. */ -static void LJ_FASTCALL gdbjit_debugabbrev(GDBJITctx *ctx) -{ - uint8_t *p = ctx->p; - - /* Abbrev #1: DW_TAG_compile_unit. */ - DUV(1); DUV(DW_TAG_compile_unit); - DB(DW_children_no); - DUV(DW_AT_name); DUV(DW_FORM_string); - DUV(DW_AT_low_pc); DUV(DW_FORM_addr); - DUV(DW_AT_high_pc); DUV(DW_FORM_addr); - DUV(DW_AT_stmt_list); DUV(DW_FORM_data4); - DB(0); DB(0); - - ctx->p = p; -} - -#define DLNE(op, s) (DB(DW_LNS_extended_op), DUV(1+(s)), DB((op))) - -/* Initialize .debug_line section. */ -static void LJ_FASTCALL gdbjit_debugline(GDBJITctx *ctx) -{ - uint8_t *p = ctx->p; - - DSECT(line, - DU16(2); /* DWARF version. */ - DSECT(header, - DB(1); /* Minimum instruction length. */ - DB(1); /* is_stmt. */ - DI8(0); /* Line base for special opcodes. */ - DB(2); /* Line range for special opcodes. */ - DB(3+1); /* Opcode base at DW_LNS_advance_line+1. */ - DB(0); DB(1); DB(1); /* Standard opcode lengths. */ - /* Directory table. */ - DB(0); - /* File name table. */ - DSTR(ctx->filename); DUV(0); DUV(0); DUV(0); - DB(0); - ) - - DLNE(DW_LNE_set_address, sizeof(uintptr_t)); DADDR(ctx->mcaddr); - if (ctx->lineno) { - DB(DW_LNS_advance_line); DSV(ctx->lineno-1); - } - DB(DW_LNS_copy); - DB(DW_LNS_advance_pc); DUV(ctx->szmcode); - DLNE(DW_LNE_end_sequence, 0); - ) - - ctx->p = p; -} - -#undef DLNE - -/* Undef shortcuts. */ -#undef DB -#undef DI8 -#undef DU16 -#undef DU32 -#undef DADDR -#undef DUV -#undef DSV -#undef DSTR -#undef DALIGNNOP -#undef DSECT - -/* Type of a section initializer callback. */ -typedef void (LJ_FASTCALL *GDBJITinitf)(GDBJITctx *ctx); - -/* Call section initializer and set the section offset and size. */ -static void gdbjit_initsect(GDBJITctx *ctx, int sect, GDBJITinitf initf) -{ - ctx->startp = ctx->p; - ctx->obj.sect[sect].ofs = (uintptr_t)((char *)ctx->p - (char *)&ctx->obj); - initf(ctx); - ctx->obj.sect[sect].size = (uintptr_t)(ctx->p - ctx->startp); -} - -#define SECTALIGN(p, a) \ - ((p) = (uint8_t *)(((uintptr_t)(p) + ((a)-1)) & ~(uintptr_t)((a)-1))) - -/* Build in-memory ELF object. */ -static void gdbjit_buildobj(GDBJITctx *ctx) -{ - GDBJITobj *obj = &ctx->obj; - /* Fill in ELF header and clear structures. */ - memcpy(&obj->hdr, &elfhdr_template, sizeof(ELFheader)); - memset(&obj->sect, 0, sizeof(ELFsectheader)*GDBJIT_SECT__MAX); - memset(&obj->sym, 0, sizeof(ELFsymbol)*GDBJIT_SYM__MAX); - /* Initialize sections. */ - ctx->p = obj->space; - gdbjit_initsect(ctx, GDBJIT_SECT_shstrtab, gdbjit_secthdr); - gdbjit_initsect(ctx, GDBJIT_SECT_strtab, gdbjit_symtab); - gdbjit_initsect(ctx, GDBJIT_SECT_debug_info, gdbjit_debuginfo); - gdbjit_initsect(ctx, GDBJIT_SECT_debug_abbrev, gdbjit_debugabbrev); - gdbjit_initsect(ctx, GDBJIT_SECT_debug_line, gdbjit_debugline); - SECTALIGN(ctx->p, sizeof(uintptr_t)); - gdbjit_initsect(ctx, GDBJIT_SECT_eh_frame, gdbjit_ehframe); - ctx->objsize = (size_t)((char *)ctx->p - (char *)obj); - lua_assert(ctx->objsize < sizeof(GDBJITobj)); -} - -#undef SECTALIGN - -/* -- Interface to GDB JIT API -------------------------------------------- */ - -/* Add new entry to GDB JIT symbol chain. */ -static void gdbjit_newentry(lua_State *L, GDBJITctx *ctx) -{ - /* Allocate memory for GDB JIT entry and ELF object. */ - MSize sz = (MSize)(sizeof(GDBJITentryobj) - sizeof(GDBJITobj) + ctx->objsize); - GDBJITentryobj *eo = lj_mem_newt(L, sz, GDBJITentryobj); - memcpy(&eo->obj, &ctx->obj, ctx->objsize); /* Copy ELF object. */ - eo->sz = sz; - ctx->T->gdbjit_entry = (void *)eo; - /* Link new entry to chain and register it. */ - eo->entry.prev_entry = NULL; - eo->entry.next_entry = __jit_debug_descriptor.first_entry; - if (eo->entry.next_entry) - eo->entry.next_entry->prev_entry = &eo->entry; - eo->entry.symfile_addr = (const char *)&eo->obj; - eo->entry.symfile_size = ctx->objsize; - __jit_debug_descriptor.first_entry = &eo->entry; - __jit_debug_descriptor.relevant_entry = &eo->entry; - __jit_debug_descriptor.action_flag = GDBJIT_REGISTER; - __jit_debug_register_code(); -} - -/* Add debug info for newly compiled trace and notify GDB. */ -void lj_gdbjit_addtrace(jit_State *J, GCtrace *T) -{ - GDBJITctx ctx; - GCproto *pt = &gcref(T->startpt)->pt; - TraceNo parent = T->ir[REF_BASE].op1; - const BCIns *startpc = mref(T->startpc, const BCIns); - ctx.T = T; - ctx.mcaddr = (uintptr_t)T->mcode; - ctx.szmcode = T->szmcode; - ctx.spadjp = CFRAME_SIZE_JIT + - (MSize)(parent ? traceref(J, parent)->spadjust : 0); - ctx.spadj = CFRAME_SIZE_JIT + T->spadjust; - lua_assert(startpc >= proto_bc(pt) && startpc < proto_bc(pt) + pt->sizebc); - ctx.lineno = lj_debug_line(pt, proto_bcpos(pt, startpc)); - ctx.filename = proto_chunknamestr(pt); - if (*ctx.filename == '@' || *ctx.filename == '=') - ctx.filename++; - else - ctx.filename = "(string)"; - gdbjit_buildobj(&ctx); - gdbjit_newentry(J->L, &ctx); -} - -/* Delete debug info for trace and notify GDB. */ -void lj_gdbjit_deltrace(jit_State *J, GCtrace *T) -{ - GDBJITentryobj *eo = (GDBJITentryobj *)T->gdbjit_entry; - if (eo) { - if (eo->entry.prev_entry) - eo->entry.prev_entry->next_entry = eo->entry.next_entry; - else - __jit_debug_descriptor.first_entry = eo->entry.next_entry; - if (eo->entry.next_entry) - eo->entry.next_entry->prev_entry = eo->entry.prev_entry; - __jit_debug_descriptor.relevant_entry = &eo->entry; - __jit_debug_descriptor.action_flag = GDBJIT_UNREGISTER; - __jit_debug_register_code(); - lj_mem_free(J2G(J), eo, eo->sz); - } -} - -#endif -#endif diff --git a/libraries/luajit-2.0/src/lj_gdbjit.h b/libraries/luajit-2.0/src/lj_gdbjit.h deleted file mode 100644 index 5e42d3c..0000000 --- a/libraries/luajit-2.0/src/lj_gdbjit.h +++ /dev/null @@ -1,22 +0,0 @@ -/* -** Client for the GDB JIT API. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_GDBJIT_H -#define _LJ_GDBJIT_H - -#include "lj_obj.h" -#include "lj_jit.h" - -#if LJ_HASJIT && defined(LUAJIT_USE_GDBJIT) - -LJ_FUNC void lj_gdbjit_addtrace(jit_State *J, GCtrace *T); -LJ_FUNC void lj_gdbjit_deltrace(jit_State *J, GCtrace *T); - -#else -#define lj_gdbjit_addtrace(J, T) UNUSED(T) -#define lj_gdbjit_deltrace(J, T) UNUSED(T) -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_ir.c b/libraries/luajit-2.0/src/lj_ir.c deleted file mode 100644 index 457d918..0000000 --- a/libraries/luajit-2.0/src/lj_ir.c +++ /dev/null @@ -1,492 +0,0 @@ -/* -** SSA IR (Intermediate Representation) emitter. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_ir_c -#define LUA_CORE - -/* For pointers to libc/libm functions. */ -#include -#include - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_gc.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_ircall.h" -#include "lj_iropt.h" -#include "lj_trace.h" -#if LJ_HASFFI -#include "lj_ctype.h" -#include "lj_cdata.h" -#include "lj_carith.h" -#endif -#include "lj_vm.h" -#include "lj_lib.h" - -/* Some local macros to save typing. Undef'd at the end. */ -#define IR(ref) (&J->cur.ir[(ref)]) -#define fins (&J->fold.ins) - -/* Pass IR on to next optimization in chain (FOLD). */ -#define emitir(ot, a, b) (lj_ir_set(J, (ot), (a), (b)), lj_opt_fold(J)) - -/* -- IR tables ----------------------------------------------------------- */ - -/* IR instruction modes. */ -LJ_DATADEF const uint8_t lj_ir_mode[IR__MAX+1] = { -IRDEF(IRMODE) - 0 -}; - -/* C call info for CALL* instructions. */ -LJ_DATADEF const CCallInfo lj_ir_callinfo[] = { -#define IRCALLCI(cond, name, nargs, kind, type, flags) \ - { (ASMFunction)IRCALLCOND_##cond(name), \ - (nargs)|(CCI_CALL_##kind)|(IRT_##type<irbuf + J->irbotlim; - MSize szins = J->irtoplim - J->irbotlim; - if (szins) { - baseir = (IRIns *)lj_mem_realloc(J->L, baseir, szins*sizeof(IRIns), - 2*szins*sizeof(IRIns)); - J->irtoplim = J->irbotlim + 2*szins; - } else { - baseir = (IRIns *)lj_mem_realloc(J->L, NULL, 0, LJ_MIN_IRSZ*sizeof(IRIns)); - J->irbotlim = REF_BASE - LJ_MIN_IRSZ/4; - J->irtoplim = J->irbotlim + LJ_MIN_IRSZ; - } - J->cur.ir = J->irbuf = baseir - J->irbotlim; -} - -/* Grow IR buffer at the bottom or shift it up. */ -static void lj_ir_growbot(jit_State *J) -{ - IRIns *baseir = J->irbuf + J->irbotlim; - MSize szins = J->irtoplim - J->irbotlim; - lua_assert(szins != 0); - lua_assert(J->cur.nk == J->irbotlim); - if (J->cur.nins + (szins >> 1) < J->irtoplim) { - /* More than half of the buffer is free on top: shift up by a quarter. */ - MSize ofs = szins >> 2; - memmove(baseir + ofs, baseir, (J->cur.nins - J->irbotlim)*sizeof(IRIns)); - J->irbotlim -= ofs; - J->irtoplim -= ofs; - J->cur.ir = J->irbuf = baseir - J->irbotlim; - } else { - /* Double the buffer size, but split the growth amongst top/bottom. */ - IRIns *newbase = lj_mem_newt(J->L, 2*szins*sizeof(IRIns), IRIns); - MSize ofs = szins >= 256 ? 128 : (szins >> 1); /* Limit bottom growth. */ - memcpy(newbase + ofs, baseir, (J->cur.nins - J->irbotlim)*sizeof(IRIns)); - lj_mem_free(G(J->L), baseir, szins*sizeof(IRIns)); - J->irbotlim -= ofs; - J->irtoplim = J->irbotlim + 2*szins; - J->cur.ir = J->irbuf = newbase - J->irbotlim; - } -} - -/* Emit IR without any optimizations. */ -TRef LJ_FASTCALL lj_ir_emit(jit_State *J) -{ - IRRef ref = lj_ir_nextins(J); - IRIns *ir = IR(ref); - IROp op = fins->o; - ir->prev = J->chain[op]; - J->chain[op] = (IRRef1)ref; - ir->o = op; - ir->op1 = fins->op1; - ir->op2 = fins->op2; - J->guardemit.irt |= fins->t.irt; - return TREF(ref, irt_t((ir->t = fins->t))); -} - -/* Emit call to a C function. */ -TRef lj_ir_call(jit_State *J, IRCallID id, ...) -{ - const CCallInfo *ci = &lj_ir_callinfo[id]; - uint32_t n = CCI_NARGS(ci); - TRef tr = TREF_NIL; - va_list argp; - va_start(argp, id); - if ((ci->flags & CCI_L)) n--; - if (n > 0) - tr = va_arg(argp, IRRef); - while (n-- > 1) - tr = emitir(IRT(IR_CARG, IRT_NIL), tr, va_arg(argp, IRRef)); - va_end(argp); - if (CCI_OP(ci) == IR_CALLS) - J->needsnap = 1; /* Need snapshot after call with side effect. */ - return emitir(CCI_OPTYPE(ci), tr, id); -} - -/* -- Interning of constants ---------------------------------------------- */ - -/* -** IR instructions for constants are kept between J->cur.nk >= ref < REF_BIAS. -** They are chained like all other instructions, but grow downwards. -** The are interned (like strings in the VM) to facilitate reference -** comparisons. The same constant must get the same reference. -*/ - -/* Get ref of next IR constant and optionally grow IR. -** Note: this may invalidate all IRIns *! -*/ -static LJ_AINLINE IRRef ir_nextk(jit_State *J) -{ - IRRef ref = J->cur.nk; - if (LJ_UNLIKELY(ref <= J->irbotlim)) lj_ir_growbot(J); - J->cur.nk = --ref; - return ref; -} - -/* Intern int32_t constant. */ -TRef LJ_FASTCALL lj_ir_kint(jit_State *J, int32_t k) -{ - IRIns *ir, *cir = J->cur.ir; - IRRef ref; - for (ref = J->chain[IR_KINT]; ref; ref = cir[ref].prev) - if (cir[ref].i == k) - goto found; - ref = ir_nextk(J); - ir = IR(ref); - ir->i = k; - ir->t.irt = IRT_INT; - ir->o = IR_KINT; - ir->prev = J->chain[IR_KINT]; - J->chain[IR_KINT] = (IRRef1)ref; -found: - return TREF(ref, IRT_INT); -} - -/* The MRef inside the KNUM/KINT64 IR instructions holds the address of the -** 64 bit constant. The constants themselves are stored in a chained array -** and shared across traces. -** -** Rationale for choosing this data structure: -** - The address of the constants is embedded in the generated machine code -** and must never move. A resizable array or hash table wouldn't work. -** - Most apps need very few non-32 bit integer constants (less than a dozen). -** - Linear search is hard to beat in terms of speed and low complexity. -*/ -typedef struct K64Array { - MRef next; /* Pointer to next list. */ - MSize numk; /* Number of used elements in this array. */ - TValue k[LJ_MIN_K64SZ]; /* Array of constants. */ -} K64Array; - -/* Free all chained arrays. */ -void lj_ir_k64_freeall(jit_State *J) -{ - K64Array *k; - for (k = mref(J->k64, K64Array); k; ) { - K64Array *next = mref(k->next, K64Array); - lj_mem_free(J2G(J), k, sizeof(K64Array)); - k = next; - } -} - -/* Find 64 bit constant in chained array or add it. */ -cTValue *lj_ir_k64_find(jit_State *J, uint64_t u64) -{ - K64Array *k, *kp = NULL; - TValue *ntv; - MSize idx; - /* Search for the constant in the whole chain of arrays. */ - for (k = mref(J->k64, K64Array); k; k = mref(k->next, K64Array)) { - kp = k; /* Remember previous element in list. */ - for (idx = 0; idx < k->numk; idx++) { /* Search one array. */ - TValue *tv = &k->k[idx]; - if (tv->u64 == u64) /* Needed for +-0/NaN/absmask. */ - return tv; - } - } - /* Constant was not found, need to add it. */ - if (!(kp && kp->numk < LJ_MIN_K64SZ)) { /* Allocate a new array. */ - K64Array *kn = lj_mem_newt(J->L, sizeof(K64Array), K64Array); - setmref(kn->next, NULL); - kn->numk = 0; - if (kp) - setmref(kp->next, kn); /* Chain to the end of the list. */ - else - setmref(J->k64, kn); /* Link first array. */ - kp = kn; - } - ntv = &kp->k[kp->numk++]; /* Add to current array. */ - ntv->u64 = u64; - return ntv; -} - -/* Intern 64 bit constant, given by its address. */ -TRef lj_ir_k64(jit_State *J, IROp op, cTValue *tv) -{ - IRIns *ir, *cir = J->cur.ir; - IRRef ref; - IRType t = op == IR_KNUM ? IRT_NUM : IRT_I64; - for (ref = J->chain[op]; ref; ref = cir[ref].prev) - if (ir_k64(&cir[ref]) == tv) - goto found; - ref = ir_nextk(J); - ir = IR(ref); - lua_assert(checkptr32(tv)); - setmref(ir->ptr, tv); - ir->t.irt = t; - ir->o = op; - ir->prev = J->chain[op]; - J->chain[op] = (IRRef1)ref; -found: - return TREF(ref, t); -} - -/* Intern FP constant, given by its 64 bit pattern. */ -TRef lj_ir_knum_u64(jit_State *J, uint64_t u64) -{ - return lj_ir_k64(J, IR_KNUM, lj_ir_k64_find(J, u64)); -} - -/* Intern 64 bit integer constant. */ -TRef lj_ir_kint64(jit_State *J, uint64_t u64) -{ - return lj_ir_k64(J, IR_KINT64, lj_ir_k64_find(J, u64)); -} - -/* Check whether a number is int and return it. -0 is NOT considered an int. */ -static int numistrueint(lua_Number n, int32_t *kp) -{ - int32_t k = lj_num2int(n); - if (n == (lua_Number)k) { - if (kp) *kp = k; - if (k == 0) { /* Special check for -0. */ - TValue tv; - setnumV(&tv, n); - if (tv.u32.hi != 0) - return 0; - } - return 1; - } - return 0; -} - -/* Intern number as int32_t constant if possible, otherwise as FP constant. */ -TRef lj_ir_knumint(jit_State *J, lua_Number n) -{ - int32_t k; - if (numistrueint(n, &k)) - return lj_ir_kint(J, k); - else - return lj_ir_knum(J, n); -} - -/* Intern GC object "constant". */ -TRef lj_ir_kgc(jit_State *J, GCobj *o, IRType t) -{ - IRIns *ir, *cir = J->cur.ir; - IRRef ref; - lua_assert(!isdead(J2G(J), o)); - for (ref = J->chain[IR_KGC]; ref; ref = cir[ref].prev) - if (ir_kgc(&cir[ref]) == o) - goto found; - ref = ir_nextk(J); - ir = IR(ref); - /* NOBARRIER: Current trace is a GC root. */ - setgcref(ir->gcr, o); - ir->t.irt = (uint8_t)t; - ir->o = IR_KGC; - ir->prev = J->chain[IR_KGC]; - J->chain[IR_KGC] = (IRRef1)ref; -found: - return TREF(ref, t); -} - -/* Intern 32 bit pointer constant. */ -TRef lj_ir_kptr_(jit_State *J, IROp op, void *ptr) -{ - IRIns *ir, *cir = J->cur.ir; - IRRef ref; - lua_assert((void *)(intptr_t)i32ptr(ptr) == ptr); - for (ref = J->chain[op]; ref; ref = cir[ref].prev) - if (mref(cir[ref].ptr, void) == ptr) - goto found; - ref = ir_nextk(J); - ir = IR(ref); - setmref(ir->ptr, ptr); - ir->t.irt = IRT_P32; - ir->o = op; - ir->prev = J->chain[op]; - J->chain[op] = (IRRef1)ref; -found: - return TREF(ref, IRT_P32); -} - -/* Intern typed NULL constant. */ -TRef lj_ir_knull(jit_State *J, IRType t) -{ - IRIns *ir, *cir = J->cur.ir; - IRRef ref; - for (ref = J->chain[IR_KNULL]; ref; ref = cir[ref].prev) - if (irt_t(cir[ref].t) == t) - goto found; - ref = ir_nextk(J); - ir = IR(ref); - ir->i = 0; - ir->t.irt = (uint8_t)t; - ir->o = IR_KNULL; - ir->prev = J->chain[IR_KNULL]; - J->chain[IR_KNULL] = (IRRef1)ref; -found: - return TREF(ref, t); -} - -/* Intern key slot. */ -TRef lj_ir_kslot(jit_State *J, TRef key, IRRef slot) -{ - IRIns *ir, *cir = J->cur.ir; - IRRef2 op12 = IRREF2((IRRef1)key, (IRRef1)slot); - IRRef ref; - /* Const part is not touched by CSE/DCE, so 0-65535 is ok for IRMlit here. */ - lua_assert(tref_isk(key) && slot == (IRRef)(IRRef1)slot); - for (ref = J->chain[IR_KSLOT]; ref; ref = cir[ref].prev) - if (cir[ref].op12 == op12) - goto found; - ref = ir_nextk(J); - ir = IR(ref); - ir->op12 = op12; - ir->t.irt = IRT_P32; - ir->o = IR_KSLOT; - ir->prev = J->chain[IR_KSLOT]; - J->chain[IR_KSLOT] = (IRRef1)ref; -found: - return TREF(ref, IRT_P32); -} - -/* -- Access to IR constants ---------------------------------------------- */ - -/* Copy value of IR constant. */ -void lj_ir_kvalue(lua_State *L, TValue *tv, const IRIns *ir) -{ - UNUSED(L); - lua_assert(ir->o != IR_KSLOT); /* Common mistake. */ - switch (ir->o) { - case IR_KPRI: setitype(tv, irt_toitype(ir->t)); break; - case IR_KINT: setintV(tv, ir->i); break; - case IR_KGC: setgcV(L, tv, ir_kgc(ir), irt_toitype(ir->t)); break; - case IR_KPTR: case IR_KKPTR: case IR_KNULL: - setlightudV(tv, mref(ir->ptr, void)); - break; - case IR_KNUM: setnumV(tv, ir_knum(ir)->n); break; -#if LJ_HASFFI - case IR_KINT64: { - GCcdata *cd = lj_cdata_new_(L, CTID_INT64, 8); - *(uint64_t *)cdataptr(cd) = ir_kint64(ir)->u64; - setcdataV(L, tv, cd); - break; - } -#endif - default: lua_assert(0); break; - } -} - -/* -- Convert IR operand types -------------------------------------------- */ - -/* Convert from string to number. */ -TRef LJ_FASTCALL lj_ir_tonumber(jit_State *J, TRef tr) -{ - if (!tref_isnumber(tr)) { - if (tref_isstr(tr)) - tr = emitir(IRTG(IR_STRTO, IRT_NUM), tr, 0); - else - lj_trace_err(J, LJ_TRERR_BADTYPE); - } - return tr; -} - -/* Convert from integer or string to number. */ -TRef LJ_FASTCALL lj_ir_tonum(jit_State *J, TRef tr) -{ - if (!tref_isnum(tr)) { - if (tref_isinteger(tr)) - tr = emitir(IRTN(IR_CONV), tr, IRCONV_NUM_INT); - else if (tref_isstr(tr)) - tr = emitir(IRTG(IR_STRTO, IRT_NUM), tr, 0); - else - lj_trace_err(J, LJ_TRERR_BADTYPE); - } - return tr; -} - -/* Convert from integer or number to string. */ -TRef LJ_FASTCALL lj_ir_tostr(jit_State *J, TRef tr) -{ - if (!tref_isstr(tr)) { - if (!tref_isnumber(tr)) - lj_trace_err(J, LJ_TRERR_BADTYPE); - tr = emitir(IRT(IR_TOSTR, IRT_STR), tr, 0); - } - return tr; -} - -/* -- Miscellaneous IR ops ------------------------------------------------ */ - -/* Evaluate numeric comparison. */ -int lj_ir_numcmp(lua_Number a, lua_Number b, IROp op) -{ - switch (op) { - case IR_EQ: return (a == b); - case IR_NE: return (a != b); - case IR_LT: return (a < b); - case IR_GE: return (a >= b); - case IR_LE: return (a <= b); - case IR_GT: return (a > b); - case IR_ULT: return !(a >= b); - case IR_UGE: return !(a < b); - case IR_ULE: return !(a > b); - case IR_UGT: return !(a <= b); - default: lua_assert(0); return 0; - } -} - -/* Evaluate string comparison. */ -int lj_ir_strcmp(GCstr *a, GCstr *b, IROp op) -{ - int res = lj_str_cmp(a, b); - switch (op) { - case IR_LT: return (res < 0); - case IR_GE: return (res >= 0); - case IR_LE: return (res <= 0); - case IR_GT: return (res > 0); - default: lua_assert(0); return 0; - } -} - -/* Rollback IR to previous state. */ -void lj_ir_rollback(jit_State *J, IRRef ref) -{ - IRRef nins = J->cur.nins; - while (nins > ref) { - IRIns *ir; - nins--; - ir = IR(nins); - J->chain[ir->o] = ir->prev; - } - J->cur.nins = nins; -} - -#undef IR -#undef fins -#undef emitir - -#endif diff --git a/libraries/luajit-2.0/src/lj_ir.h b/libraries/luajit-2.0/src/lj_ir.h deleted file mode 100644 index 8cf8129..0000000 --- a/libraries/luajit-2.0/src/lj_ir.h +++ /dev/null @@ -1,540 +0,0 @@ -/* -** SSA IR (Intermediate Representation) format. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_IR_H -#define _LJ_IR_H - -#include "lj_obj.h" - -/* -- IR instructions ----------------------------------------------------- */ - -/* IR instruction definition. Order matters, see below. ORDER IR */ -#define IRDEF(_) \ - /* Guarded assertions. */ \ - /* Must be properly aligned to flip opposites (^1) and (un)ordered (^4). */ \ - _(LT, N , ref, ref) \ - _(GE, N , ref, ref) \ - _(LE, N , ref, ref) \ - _(GT, N , ref, ref) \ - \ - _(ULT, N , ref, ref) \ - _(UGE, N , ref, ref) \ - _(ULE, N , ref, ref) \ - _(UGT, N , ref, ref) \ - \ - _(EQ, C , ref, ref) \ - _(NE, C , ref, ref) \ - \ - _(ABC, N , ref, ref) \ - _(RETF, S , ref, ref) \ - \ - /* Miscellaneous ops. */ \ - _(NOP, N , ___, ___) \ - _(BASE, N , lit, lit) \ - _(HIOP, S , ref, ref) \ - _(LOOP, S , ___, ___) \ - _(USE, S , ref, ___) \ - _(PHI, S , ref, ref) \ - _(RENAME, S , ref, lit) \ - \ - /* Constants. */ \ - _(KPRI, N , ___, ___) \ - _(KINT, N , cst, ___) \ - _(KGC, N , cst, ___) \ - _(KPTR, N , cst, ___) \ - _(KKPTR, N , cst, ___) \ - _(KNULL, N , cst, ___) \ - _(KNUM, N , cst, ___) \ - _(KINT64, N , cst, ___) \ - _(KSLOT, N , ref, lit) \ - \ - /* Bit ops. */ \ - _(BNOT, N , ref, ___) \ - _(BSWAP, N , ref, ___) \ - _(BAND, C , ref, ref) \ - _(BOR, C , ref, ref) \ - _(BXOR, C , ref, ref) \ - _(BSHL, N , ref, ref) \ - _(BSHR, N , ref, ref) \ - _(BSAR, N , ref, ref) \ - _(BROL, N , ref, ref) \ - _(BROR, N , ref, ref) \ - \ - /* Arithmetic ops. ORDER ARITH */ \ - _(ADD, C , ref, ref) \ - _(SUB, N , ref, ref) \ - _(MUL, C , ref, ref) \ - _(DIV, N , ref, ref) \ - _(MOD, N , ref, ref) \ - _(POW, N , ref, ref) \ - _(NEG, N , ref, ref) \ - \ - _(ABS, N , ref, ref) \ - _(ATAN2, N , ref, ref) \ - _(LDEXP, N , ref, ref) \ - _(MIN, C , ref, ref) \ - _(MAX, C , ref, ref) \ - _(FPMATH, N , ref, lit) \ - \ - /* Overflow-checking arithmetic ops. */ \ - _(ADDOV, CW, ref, ref) \ - _(SUBOV, NW, ref, ref) \ - _(MULOV, CW, ref, ref) \ - \ - /* Memory ops. A = array, H = hash, U = upvalue, F = field, S = stack. */ \ - \ - /* Memory references. */ \ - _(AREF, R , ref, ref) \ - _(HREFK, R , ref, ref) \ - _(HREF, L , ref, ref) \ - _(NEWREF, S , ref, ref) \ - _(UREFO, LW, ref, lit) \ - _(UREFC, LW, ref, lit) \ - _(FREF, R , ref, lit) \ - _(STRREF, N , ref, ref) \ - \ - /* Loads and Stores. These must be in the same order. */ \ - _(ALOAD, L , ref, ___) \ - _(HLOAD, L , ref, ___) \ - _(ULOAD, L , ref, ___) \ - _(FLOAD, L , ref, lit) \ - _(XLOAD, L , ref, lit) \ - _(SLOAD, L , lit, lit) \ - _(VLOAD, L , ref, ___) \ - \ - _(ASTORE, S , ref, ref) \ - _(HSTORE, S , ref, ref) \ - _(USTORE, S , ref, ref) \ - _(FSTORE, S , ref, ref) \ - _(XSTORE, S , ref, ref) \ - \ - /* Allocations. */ \ - _(SNEW, N , ref, ref) /* CSE is ok, not marked as A. */ \ - _(XSNEW, A , ref, ref) \ - _(TNEW, AW, lit, lit) \ - _(TDUP, AW, ref, ___) \ - _(CNEW, AW, ref, ref) \ - _(CNEWI, NW, ref, ref) /* CSE is ok, not marked as A. */ \ - \ - /* Barriers. */ \ - _(TBAR, S , ref, ___) \ - _(OBAR, S , ref, ref) \ - _(XBAR, S , ___, ___) \ - \ - /* Type conversions. */ \ - _(CONV, NW, ref, lit) \ - _(TOBIT, N , ref, ref) \ - _(TOSTR, N , ref, ___) \ - _(STRTO, N , ref, ___) \ - \ - /* Calls. */ \ - _(CALLN, N , ref, lit) \ - _(CALLL, L , ref, lit) \ - _(CALLS, S , ref, lit) \ - _(CALLXS, S , ref, ref) \ - _(CARG, N , ref, ref) \ - \ - /* End of list. */ - -/* IR opcodes (max. 256). */ -typedef enum { -#define IRENUM(name, m, m1, m2) IR_##name, -IRDEF(IRENUM) -#undef IRENUM - IR__MAX -} IROp; - -/* Stored opcode. */ -typedef uint8_t IROp1; - -LJ_STATIC_ASSERT(((int)IR_EQ^1) == (int)IR_NE); -LJ_STATIC_ASSERT(((int)IR_LT^1) == (int)IR_GE); -LJ_STATIC_ASSERT(((int)IR_LE^1) == (int)IR_GT); -LJ_STATIC_ASSERT(((int)IR_LT^3) == (int)IR_GT); -LJ_STATIC_ASSERT(((int)IR_LT^4) == (int)IR_ULT); - -/* Delta between xLOAD and xSTORE. */ -#define IRDELTA_L2S ((int)IR_ASTORE - (int)IR_ALOAD) - -LJ_STATIC_ASSERT((int)IR_HLOAD + IRDELTA_L2S == (int)IR_HSTORE); -LJ_STATIC_ASSERT((int)IR_ULOAD + IRDELTA_L2S == (int)IR_USTORE); -LJ_STATIC_ASSERT((int)IR_FLOAD + IRDELTA_L2S == (int)IR_FSTORE); -LJ_STATIC_ASSERT((int)IR_XLOAD + IRDELTA_L2S == (int)IR_XSTORE); - -/* -- Named IR literals --------------------------------------------------- */ - -/* FPMATH sub-functions. ORDER FPM. */ -#define IRFPMDEF(_) \ - _(FLOOR) _(CEIL) _(TRUNC) /* Must be first and in this order. */ \ - _(SQRT) _(EXP) _(EXP2) _(LOG) _(LOG2) _(LOG10) \ - _(SIN) _(COS) _(TAN) \ - _(OTHER) - -typedef enum { -#define FPMENUM(name) IRFPM_##name, -IRFPMDEF(FPMENUM) -#undef FPMENUM - IRFPM__MAX -} IRFPMathOp; - -/* FLOAD fields. */ -#define IRFLDEF(_) \ - _(STR_LEN, offsetof(GCstr, len)) \ - _(FUNC_ENV, offsetof(GCfunc, l.env)) \ - _(FUNC_PC, offsetof(GCfunc, l.pc)) \ - _(TAB_META, offsetof(GCtab, metatable)) \ - _(TAB_ARRAY, offsetof(GCtab, array)) \ - _(TAB_NODE, offsetof(GCtab, node)) \ - _(TAB_ASIZE, offsetof(GCtab, asize)) \ - _(TAB_HMASK, offsetof(GCtab, hmask)) \ - _(TAB_NOMM, offsetof(GCtab, nomm)) \ - _(UDATA_META, offsetof(GCudata, metatable)) \ - _(UDATA_UDTYPE, offsetof(GCudata, udtype)) \ - _(UDATA_FILE, sizeof(GCudata)) \ - _(CDATA_TYPEID, offsetof(GCcdata, typeid)) \ - _(CDATA_PTR, sizeof(GCcdata)) \ - _(CDATA_INT64, sizeof(GCcdata)) \ - _(CDATA_INT64_4, sizeof(GCcdata) + 4) - -typedef enum { -#define FLENUM(name, ofs) IRFL_##name, -IRFLDEF(FLENUM) -#undef FLENUM - IRFL__MAX -} IRFieldID; - -/* SLOAD mode bits, stored in op2. */ -#define IRSLOAD_PARENT 0x01 /* Coalesce with parent trace. */ -#define IRSLOAD_FRAME 0x02 /* Load hiword of frame. */ -#define IRSLOAD_TYPECHECK 0x04 /* Needs type check. */ -#define IRSLOAD_CONVERT 0x08 /* Number to integer conversion. */ -#define IRSLOAD_READONLY 0x10 /* Read-only, omit slot store. */ -#define IRSLOAD_INHERIT 0x20 /* Inherited by exits/side traces. */ - -/* XLOAD mode, stored in op2. */ -#define IRXLOAD_READONLY 1 /* Load from read-only data. */ -#define IRXLOAD_VOLATILE 2 /* Load from volatile data. */ -#define IRXLOAD_UNALIGNED 4 /* Unaligned load. */ - -/* CONV mode, stored in op2. */ -#define IRCONV_SRCMASK 0x001f /* Source IRType. */ -#define IRCONV_DSTMASK 0x03e0 /* Dest. IRType (also in ir->t). */ -#define IRCONV_DSH 5 -#define IRCONV_NUM_INT ((IRT_NUM<>2)&3)) -#define irm_iscomm(m) ((m) & IRM_C) -#define irm_kind(m) ((m) & IRM_S) - -#define IRMODE(name, m, m1, m2) (((IRM##m1)|((IRM##m2)<<2)|(IRM_##m))^IRM_W), - -LJ_DATA const uint8_t lj_ir_mode[IR__MAX+1]; - -/* -- IR instruction types ------------------------------------------------ */ - -/* Map of itypes to non-negative numbers. ORDER LJ_T. -** LJ_TUPVAL/LJ_TTRACE never appear in a TValue. Use these itypes for -** IRT_P32 and IRT_P64, which never escape the IR. -** The various integers are only used in the IR and can only escape to -** a TValue after implicit or explicit conversion. Their types must be -** contiguous and next to IRT_NUM (see the typerange macros below). -*/ -#define IRTDEF(_) \ - _(NIL) _(FALSE) _(TRUE) _(LIGHTUD) _(STR) _(P32) _(THREAD) \ - _(PROTO) _(FUNC) _(P64) _(CDATA) _(TAB) _(UDATA) \ - _(FLOAT) _(NUM) _(I8) _(U8) _(I16) _(U16) _(INT) _(U32) _(I64) _(U64) \ - _(SOFTFP) /* There is room for 9 more types. */ - -/* IR result type and flags (8 bit). */ -typedef enum { -#define IRTENUM(name) IRT_##name, -IRTDEF(IRTENUM) -#undef IRTENUM - - /* Native pointer type and the corresponding integer type. */ - IRT_PTR = LJ_64 ? IRT_P64 : IRT_P32, - IRT_INTP = LJ_64 ? IRT_I64 : IRT_INT, - IRT_UINTP = LJ_64 ? IRT_U64 : IRT_U32, - - /* Additional flags. */ - IRT_MARK = 0x20, /* Marker for misc. purposes. */ - IRT_ISPHI = 0x40, /* Instruction is left or right PHI operand. */ - IRT_GUARD = 0x80, /* Instruction is a guard. */ - - /* Masks. */ - IRT_TYPE = 0x1f, - IRT_T = 0xff -} IRType; - -#define irtype_ispri(irt) ((uint32_t)(irt) <= IRT_TRUE) - -/* Stored IRType. */ -typedef struct IRType1 { uint8_t irt; } IRType1; - -#define IRT(o, t) ((uint32_t)(((o)<<8) | (t))) -#define IRTI(o) (IRT((o), IRT_INT)) -#define IRTN(o) (IRT((o), IRT_NUM)) -#define IRTG(o, t) (IRT((o), IRT_GUARD|(t))) -#define IRTGI(o) (IRT((o), IRT_GUARD|IRT_INT)) - -#define irt_t(t) ((IRType)(t).irt) -#define irt_type(t) ((IRType)((t).irt & IRT_TYPE)) -#define irt_sametype(t1, t2) ((((t1).irt ^ (t2).irt) & IRT_TYPE) == 0) -#define irt_typerange(t, first, last) \ - ((uint32_t)((t).irt & IRT_TYPE) - (uint32_t)(first) <= (uint32_t)(last-first)) - -#define irt_isnil(t) (irt_type(t) == IRT_NIL) -#define irt_ispri(t) ((uint32_t)irt_type(t) <= IRT_TRUE) -#define irt_islightud(t) (irt_type(t) == IRT_LIGHTUD) -#define irt_isstr(t) (irt_type(t) == IRT_STR) -#define irt_istab(t) (irt_type(t) == IRT_TAB) -#define irt_isfloat(t) (irt_type(t) == IRT_FLOAT) -#define irt_isnum(t) (irt_type(t) == IRT_NUM) -#define irt_isint(t) (irt_type(t) == IRT_INT) -#define irt_isi8(t) (irt_type(t) == IRT_I8) -#define irt_isu8(t) (irt_type(t) == IRT_U8) -#define irt_isi16(t) (irt_type(t) == IRT_I16) -#define irt_isu16(t) (irt_type(t) == IRT_U16) -#define irt_isu32(t) (irt_type(t) == IRT_U32) -#define irt_isi64(t) (irt_type(t) == IRT_I64) -#define irt_isu64(t) (irt_type(t) == IRT_U64) - -#define irt_isfp(t) (irt_isnum(t) || irt_isfloat(t)) -#define irt_isinteger(t) (irt_typerange((t), IRT_I8, IRT_INT)) -#define irt_isgcv(t) (irt_typerange((t), IRT_STR, IRT_UDATA)) -#define irt_isaddr(t) (irt_typerange((t), IRT_LIGHTUD, IRT_UDATA)) -#define irt_isint64(t) (irt_typerange((t), IRT_I64, IRT_U64)) - -#if LJ_64 -#define IRT_IS64 \ - ((1u<> irt_type(t)) & 1) -#define irt_is64orfp(t) (((IRT_IS64|(1u<>irt_type(t)) & 1) - -static LJ_AINLINE IRType itype2irt(const TValue *tv) -{ - if (tvisint(tv)) - return IRT_INT; - else if (tvisnum(tv)) - return IRT_NUM; -#if LJ_64 - else if (tvislightud(tv)) - return IRT_LIGHTUD; -#endif - else - return (IRType)~itype(tv); -} - -static LJ_AINLINE uint32_t irt_toitype_(IRType t) -{ - lua_assert(!LJ_64 || t != IRT_LIGHTUD); - if (LJ_DUALNUM && t > IRT_NUM) { - return LJ_TISNUM; - } else { - lua_assert(t <= IRT_NUM); - return ~(uint32_t)t; - } -} - -#define irt_toitype(t) irt_toitype_(irt_type((t))) - -#define irt_isguard(t) ((t).irt & IRT_GUARD) -#define irt_ismarked(t) ((t).irt & IRT_MARK) -#define irt_setmark(t) ((t).irt |= IRT_MARK) -#define irt_clearmark(t) ((t).irt &= ~IRT_MARK) -#define irt_isphi(t) ((t).irt & IRT_ISPHI) -#define irt_setphi(t) ((t).irt |= IRT_ISPHI) -#define irt_clearphi(t) ((t).irt &= ~IRT_ISPHI) - -/* Stored combined IR opcode and type. */ -typedef uint16_t IROpT; - -/* -- IR references ------------------------------------------------------- */ - -/* IR references. */ -typedef uint16_t IRRef1; /* One stored reference. */ -typedef uint32_t IRRef2; /* Two stored references. */ -typedef uint32_t IRRef; /* Used to pass around references. */ - -/* Fixed references. */ -enum { - REF_BIAS = 0x8000, - REF_TRUE = REF_BIAS-3, - REF_FALSE = REF_BIAS-2, - REF_NIL = REF_BIAS-1, /* \--- Constants grow downwards. */ - REF_BASE = REF_BIAS, /* /--- IR grows upwards. */ - REF_FIRST = REF_BIAS+1, - REF_DROP = 0xffff -}; - -/* Note: IRMlit operands must be < REF_BIAS, too! -** This allows for fast and uniform manipulation of all operands -** without looking up the operand mode in lj_ir_mode: -** - CSE calculates the maximum reference of two operands. -** This must work with mixed reference/literal operands, too. -** - DCE marking only checks for operand >= REF_BIAS. -** - LOOP needs to substitute reference operands. -** Constant references and literals must not be modified. -*/ - -#define IRREF2(lo, hi) ((IRRef2)(lo) | ((IRRef2)(hi) << 16)) - -#define irref_isk(ref) ((ref) < REF_BIAS) - -/* Tagged IR references (32 bit). -** -** +-------+-------+---------------+ -** | irt | flags | ref | -** +-------+-------+---------------+ -** -** The tag holds a copy of the IRType and speeds up IR type checks. -*/ -typedef uint32_t TRef; - -#define TREF_REFMASK 0x0000ffff -#define TREF_FRAME 0x00010000 -#define TREF_CONT 0x00020000 - -#define TREF(ref, t) ((TRef)((ref) + ((t)<<24))) - -#define tref_ref(tr) ((IRRef1)(tr)) -#define tref_t(tr) ((IRType)((tr)>>24)) -#define tref_type(tr) ((IRType)(((tr)>>24) & IRT_TYPE)) -#define tref_typerange(tr, first, last) \ - ((((tr)>>24) & IRT_TYPE) - (TRef)(first) <= (TRef)(last-first)) - -#define tref_istype(tr, t) (((tr) & (IRT_TYPE<<24)) == ((t)<<24)) -#define tref_isnil(tr) (tref_istype((tr), IRT_NIL)) -#define tref_isfalse(tr) (tref_istype((tr), IRT_FALSE)) -#define tref_istrue(tr) (tref_istype((tr), IRT_TRUE)) -#define tref_isstr(tr) (tref_istype((tr), IRT_STR)) -#define tref_isfunc(tr) (tref_istype((tr), IRT_FUNC)) -#define tref_iscdata(tr) (tref_istype((tr), IRT_CDATA)) -#define tref_istab(tr) (tref_istype((tr), IRT_TAB)) -#define tref_isudata(tr) (tref_istype((tr), IRT_UDATA)) -#define tref_isnum(tr) (tref_istype((tr), IRT_NUM)) -#define tref_isint(tr) (tref_istype((tr), IRT_INT)) - -#define tref_isbool(tr) (tref_typerange((tr), IRT_FALSE, IRT_TRUE)) -#define tref_ispri(tr) (tref_typerange((tr), IRT_NIL, IRT_TRUE)) -#define tref_istruecond(tr) (!tref_typerange((tr), IRT_NIL, IRT_FALSE)) -#define tref_isinteger(tr) (tref_typerange((tr), IRT_I8, IRT_INT)) -#define tref_isnumber(tr) (tref_typerange((tr), IRT_NUM, IRT_INT)) -#define tref_isnumber_str(tr) (tref_isnumber((tr)) || tref_isstr((tr))) -#define tref_isgcv(tr) (tref_typerange((tr), IRT_STR, IRT_UDATA)) - -#define tref_isk(tr) (irref_isk(tref_ref((tr)))) -#define tref_isk2(tr1, tr2) (irref_isk(tref_ref((tr1) | (tr2)))) - -#define TREF_PRI(t) (TREF(REF_NIL-(t), (t))) -#define TREF_NIL (TREF_PRI(IRT_NIL)) -#define TREF_FALSE (TREF_PRI(IRT_FALSE)) -#define TREF_TRUE (TREF_PRI(IRT_TRUE)) - -/* -- IR format ----------------------------------------------------------- */ - -/* IR instruction format (64 bit). -** -** 16 16 8 8 8 8 -** +-------+-------+---+---+---+---+ -** | op1 | op2 | t | o | r | s | -** +-------+-------+---+---+---+---+ -** | op12/i/gco | ot | prev | (alternative fields in union) -** +---------------+-------+-------+ -** 32 16 16 -** -** prev is only valid prior to register allocation and then reused for r + s. -*/ - -typedef union IRIns { - struct { - LJ_ENDIAN_LOHI( - IRRef1 op1; /* IR operand 1. */ - , IRRef1 op2; /* IR operand 2. */ - ) - IROpT ot; /* IR opcode and type (overlaps t and o). */ - IRRef1 prev; /* Previous ins in same chain (overlaps r and s). */ - }; - struct { - IRRef2 op12; /* IR operand 1 and 2 (overlaps op1 and op2). */ - LJ_ENDIAN_LOHI( - IRType1 t; /* IR type. */ - , IROp1 o; /* IR opcode. */ - ) - LJ_ENDIAN_LOHI( - uint8_t r; /* Register allocation (overlaps prev). */ - , uint8_t s; /* Spill slot allocation (overlaps prev). */ - ) - }; - int32_t i; /* 32 bit signed integer literal (overlaps op12). */ - GCRef gcr; /* GCobj constant (overlaps op12). */ - MRef ptr; /* Pointer constant (overlaps op12). */ -} IRIns; - -#define ir_kgc(ir) check_exp((ir)->o == IR_KGC, gcref((ir)->gcr)) -#define ir_kstr(ir) (gco2str(ir_kgc((ir)))) -#define ir_ktab(ir) (gco2tab(ir_kgc((ir)))) -#define ir_kfunc(ir) (gco2func(ir_kgc((ir)))) -#define ir_kcdata(ir) (gco2cd(ir_kgc((ir)))) -#define ir_knum(ir) check_exp((ir)->o == IR_KNUM, mref((ir)->ptr, cTValue)) -#define ir_kint64(ir) check_exp((ir)->o == IR_KINT64, mref((ir)->ptr,cTValue)) -#define ir_k64(ir) \ - check_exp((ir)->o == IR_KNUM || (ir)->o == IR_KINT64, mref((ir)->ptr,cTValue)) -#define ir_kptr(ir) \ - check_exp((ir)->o == IR_KPTR || (ir)->o == IR_KKPTR, mref((ir)->ptr, void)) - -/* A store or any other op with a non-weak guard has a side-effect. */ -static LJ_AINLINE int ir_sideeff(IRIns *ir) -{ - return (((ir->t.irt | ~IRT_GUARD) & lj_ir_mode[ir->o]) >= IRM_S); -} - -LJ_STATIC_ASSERT((int)IRT_GUARD == (int)IRM_W); - -#endif diff --git a/libraries/luajit-2.0/src/lj_ircall.h b/libraries/luajit-2.0/src/lj_ircall.h deleted file mode 100644 index 1a9599a..0000000 --- a/libraries/luajit-2.0/src/lj_ircall.h +++ /dev/null @@ -1,271 +0,0 @@ -/* -** IR CALL* instruction definitions. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_IRCALL_H -#define _LJ_IRCALL_H - -#include "lj_obj.h" -#include "lj_ir.h" -#include "lj_jit.h" - -/* C call info for CALL* instructions. */ -typedef struct CCallInfo { - ASMFunction func; /* Function pointer. */ - uint32_t flags; /* Number of arguments and flags. */ -} CCallInfo; - -#define CCI_NARGS(ci) ((ci)->flags & 0xff) /* Extract # of args. */ -#define CCI_NARGS_MAX 32 /* Max. # of args. */ - -#define CCI_OTSHIFT 16 -#define CCI_OPTYPE(ci) ((ci)->flags >> CCI_OTSHIFT) /* Get op/type. */ -#define CCI_OPSHIFT 24 -#define CCI_OP(ci) ((ci)->flags >> CCI_OPSHIFT) /* Get op. */ - -#define CCI_CALL_N (IR_CALLN << CCI_OPSHIFT) -#define CCI_CALL_L (IR_CALLL << CCI_OPSHIFT) -#define CCI_CALL_S (IR_CALLS << CCI_OPSHIFT) -#define CCI_CALL_FN (CCI_CALL_N|CCI_CC_FASTCALL) -#define CCI_CALL_FL (CCI_CALL_L|CCI_CC_FASTCALL) -#define CCI_CALL_FS (CCI_CALL_S|CCI_CC_FASTCALL) - -/* C call info flags. */ -#define CCI_L 0x0100 /* Implicit L arg. */ -#define CCI_CASTU64 0x0200 /* Cast u64 result to number. */ -#define CCI_NOFPRCLOBBER 0x0400 /* Does not clobber any FPRs. */ -#define CCI_VARARG 0x0800 /* Vararg function. */ - -#define CCI_CC_MASK 0x3000 /* Calling convention mask. */ -#define CCI_CC_SHIFT 12 -/* ORDER CC */ -#define CCI_CC_CDECL 0x0000 /* Default cdecl calling convention. */ -#define CCI_CC_THISCALL 0x1000 /* Thiscall calling convention. */ -#define CCI_CC_FASTCALL 0x2000 /* Fastcall calling convention. */ -#define CCI_CC_STDCALL 0x3000 /* Stdcall calling convention. */ - -/* Helpers for conditional function definitions. */ -#define IRCALLCOND_ANY(x) x - -#if LJ_TARGET_X86ORX64 -#define IRCALLCOND_FPMATH(x) NULL -#else -#define IRCALLCOND_FPMATH(x) x -#endif - -#if LJ_SOFTFP -#define IRCALLCOND_SOFTFP(x) x -#if LJ_HASFFI -#define IRCALLCOND_SOFTFP_FFI(x) x -#else -#define IRCALLCOND_SOFTFP_FFI(x) NULL -#endif -#else -#define IRCALLCOND_SOFTFP(x) NULL -#define IRCALLCOND_SOFTFP_FFI(x) NULL -#endif - -#define LJ_NEED_FP64 LJ_TARGET_PPC - -#if LJ_HASFFI && (LJ_SOFTFP || LJ_NEED_FP64) -#define IRCALLCOND_FP64_FFI(x) x -#else -#define IRCALLCOND_FP64_FFI(x) NULL -#endif - -#if LJ_HASFFI -#define IRCALLCOND_FFI(x) x -#if LJ_32 -#define IRCALLCOND_FFI32(x) x -#else -#define IRCALLCOND_FFI32(x) NULL -#endif -#else -#define IRCALLCOND_FFI(x) NULL -#define IRCALLCOND_FFI32(x) NULL -#endif - -#if LJ_SOFTFP -#define ARG1_FP 2 /* Treat as 2 32 bit arguments. */ -#else -#define ARG1_FP 1 -#endif - -#if LJ_32 -#define ARG2_64 4 /* Treat as 4 32 bit arguments. */ -#else -#define ARG2_64 2 -#endif - -/* Function definitions for CALL* instructions. */ -#define IRCALLDEF(_) \ - _(ANY, lj_str_cmp, 2, FN, INT, CCI_NOFPRCLOBBER) \ - _(ANY, lj_str_new, 3, S, STR, CCI_L) \ - _(ANY, lj_str_tonum, 2, FN, INT, 0) \ - _(ANY, lj_str_fromint, 2, FN, STR, CCI_L) \ - _(ANY, lj_str_fromnum, 2, FN, STR, CCI_L) \ - _(ANY, lj_tab_new1, 2, FS, TAB, CCI_L) \ - _(ANY, lj_tab_dup, 2, FS, TAB, CCI_L) \ - _(ANY, lj_tab_newkey, 3, S, P32, CCI_L) \ - _(ANY, lj_tab_len, 1, FL, INT, 0) \ - _(ANY, lj_gc_step_jit, 2, FS, NIL, CCI_L) \ - _(ANY, lj_gc_barrieruv, 2, FS, NIL, 0) \ - _(ANY, lj_mem_newgco, 2, FS, P32, CCI_L) \ - _(ANY, lj_math_random_step, 1, FS, NUM, CCI_CASTU64|CCI_NOFPRCLOBBER) \ - _(ANY, lj_vm_modi, 2, FN, INT, 0) \ - _(ANY, sinh, 1, N, NUM, 0) \ - _(ANY, cosh, 1, N, NUM, 0) \ - _(ANY, tanh, 1, N, NUM, 0) \ - _(ANY, fputc, 2, S, INT, 0) \ - _(ANY, fwrite, 4, S, INT, 0) \ - _(ANY, fflush, 1, S, INT, 0) \ - /* ORDER FPM */ \ - _(FPMATH, lj_vm_floor, ARG1_FP, N, NUM, 0) \ - _(FPMATH, lj_vm_ceil, ARG1_FP, N, NUM, 0) \ - _(FPMATH, lj_vm_trunc, ARG1_FP, N, NUM, 0) \ - _(FPMATH, sqrt, ARG1_FP, N, NUM, 0) \ - _(FPMATH, exp, ARG1_FP, N, NUM, 0) \ - _(FPMATH, lj_vm_exp2, ARG1_FP, N, NUM, 0) \ - _(FPMATH, log, ARG1_FP, N, NUM, 0) \ - _(FPMATH, lj_vm_log2, ARG1_FP, N, NUM, 0) \ - _(FPMATH, log10, ARG1_FP, N, NUM, 0) \ - _(FPMATH, sin, ARG1_FP, N, NUM, 0) \ - _(FPMATH, cos, ARG1_FP, N, NUM, 0) \ - _(FPMATH, tan, ARG1_FP, N, NUM, 0) \ - _(FPMATH, lj_vm_powi, ARG1_FP+1, N, NUM, 0) \ - _(FPMATH, pow, ARG1_FP*2, N, NUM, 0) \ - _(FPMATH, atan2, ARG1_FP*2, N, NUM, 0) \ - _(FPMATH, ldexp, ARG1_FP+1, N, NUM, 0) \ - _(SOFTFP, lj_vm_tobit, 2, N, INT, 0) \ - _(SOFTFP, softfp_add, 4, N, NUM, 0) \ - _(SOFTFP, softfp_sub, 4, N, NUM, 0) \ - _(SOFTFP, softfp_mul, 4, N, NUM, 0) \ - _(SOFTFP, softfp_div, 4, N, NUM, 0) \ - _(SOFTFP, softfp_cmp, 4, N, NIL, 0) \ - _(SOFTFP, softfp_i2d, 1, N, NUM, 0) \ - _(SOFTFP, softfp_d2i, 2, N, INT, 0) \ - _(SOFTFP_FFI, softfp_ui2d, 1, N, NUM, 0) \ - _(SOFTFP_FFI, softfp_f2d, 1, N, NUM, 0) \ - _(SOFTFP_FFI, softfp_d2ui, 2, N, INT, 0) \ - _(SOFTFP_FFI, softfp_d2f, 2, N, FLOAT, 0) \ - _(SOFTFP_FFI, softfp_i2f, 1, N, FLOAT, 0) \ - _(SOFTFP_FFI, softfp_ui2f, 1, N, FLOAT, 0) \ - _(SOFTFP_FFI, softfp_f2i, 1, N, INT, 0) \ - _(SOFTFP_FFI, softfp_f2ui, 1, N, INT, 0) \ - _(FP64_FFI, fp64_l2d, 2, N, NUM, 0) \ - _(FP64_FFI, fp64_ul2d, 2, N, NUM, 0) \ - _(FP64_FFI, fp64_l2f, 2, N, FLOAT, 0) \ - _(FP64_FFI, fp64_ul2f, 2, N, FLOAT, 0) \ - _(FP64_FFI, fp64_d2l, 2, N, I64, 0) \ - _(FP64_FFI, fp64_d2ul, 2, N, U64, 0) \ - _(FP64_FFI, fp64_f2l, 1, N, I64, 0) \ - _(FP64_FFI, fp64_f2ul, 1, N, U64, 0) \ - _(FFI, lj_carith_divi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \ - _(FFI, lj_carith_divu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER) \ - _(FFI, lj_carith_modi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \ - _(FFI, lj_carith_modu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER) \ - _(FFI, lj_carith_powi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \ - _(FFI, lj_carith_powu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER) \ - _(FFI, lj_cdata_setfin, 2, FN, P32, CCI_L) \ - _(FFI, strlen, 1, L, INTP, 0) \ - _(FFI, memcpy, 3, S, PTR, 0) \ - _(FFI, memset, 3, S, PTR, 0) \ - _(FFI, lj_vm_errno, 0, S, INT, CCI_NOFPRCLOBBER) \ - _(FFI32, lj_carith_mul64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) - \ - /* End of list. */ - -typedef enum { -#define IRCALLENUM(cond, name, nargs, kind, type, flags) IRCALL_##name, -IRCALLDEF(IRCALLENUM) -#undef IRCALLENUM - IRCALL__MAX -} IRCallID; - -LJ_FUNC TRef lj_ir_call(jit_State *J, IRCallID id, ...); - -LJ_DATA const CCallInfo lj_ir_callinfo[IRCALL__MAX+1]; - -/* Soft-float declarations. */ -#if LJ_SOFTFP -#if LJ_TARGET_ARM -#define softfp_add __aeabi_dadd -#define softfp_sub __aeabi_dsub -#define softfp_mul __aeabi_dmul -#define softfp_div __aeabi_ddiv -#define softfp_cmp __aeabi_cdcmple -#define softfp_i2d __aeabi_i2d -#define softfp_d2i __aeabi_d2iz -#define softfp_ui2d __aeabi_ui2d -#define softfp_f2d __aeabi_f2d -#define softfp_d2ui __aeabi_d2uiz -#define softfp_d2f __aeabi_d2f -#define softfp_i2f __aeabi_i2f -#define softfp_ui2f __aeabi_ui2f -#define softfp_f2i __aeabi_f2iz -#define softfp_f2ui __aeabi_f2uiz -#define fp64_l2d __aeabi_l2d -#define fp64_ul2d __aeabi_ul2d -#define fp64_l2f __aeabi_l2f -#define fp64_ul2f __aeabi_ul2f -#if LJ_TARGET_OSX -#define fp64_d2l __fixdfdi -#define fp64_d2ul __fixunsdfdi -#define fp64_f2l __fixsfdi -#define fp64_f2ul __fixunssfdi -#else -#define fp64_d2l __aeabi_d2lz -#define fp64_d2ul __aeabi_d2ulz -#define fp64_f2l __aeabi_f2lz -#define fp64_f2ul __aeabi_f2ulz -#endif -#else -#error "Missing soft-float definitions for target architecture" -#endif -extern double softfp_add(double a, double b); -extern double softfp_sub(double a, double b); -extern double softfp_mul(double a, double b); -extern double softfp_div(double a, double b); -extern void softfp_cmp(double a, double b); -extern double softfp_i2d(int32_t a); -extern int32_t softfp_d2i(double a); -#if LJ_HASFFI -extern double softfp_ui2d(uint32_t a); -extern double softfp_f2d(float a); -extern uint32_t softfp_d2ui(double a); -extern float softfp_d2f(double a); -extern float softfp_i2f(int32_t a); -extern float softfp_ui2f(uint32_t a); -extern int32_t softfp_f2i(float a); -extern uint32_t softfp_f2ui(float a); -#endif -#endif - -#if LJ_HASFFI && LJ_NEED_FP64 -#ifdef __GNUC__ -#define fp64_l2d __floatdidf -#define fp64_ul2d __floatundidf -#define fp64_l2f __floatdisf -#define fp64_ul2f __floatundisf -#define fp64_d2l __fixdfdi -#define fp64_d2ul __fixunsdfdi -#define fp64_f2l __fixsfdi -#define fp64_f2ul __fixunssfdi -#else -#error "Missing fp64 helper definitions for this compiler" -#endif -#endif - -#if LJ_HASFFI && (LJ_SOFTFP || LJ_NEED_FP64) -extern double fp64_l2d(int64_t a); -extern double fp64_ul2d(uint64_t a); -extern float fp64_l2f(int64_t a); -extern float fp64_ul2f(uint64_t a); -extern int64_t fp64_d2l(double a); -extern uint64_t fp64_d2ul(double a); -extern int64_t fp64_f2l(float a); -extern uint64_t fp64_f2ul(float a); -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_iropt.h b/libraries/luajit-2.0/src/lj_iropt.h deleted file mode 100644 index 3059fb9..0000000 --- a/libraries/luajit-2.0/src/lj_iropt.h +++ /dev/null @@ -1,159 +0,0 @@ -/* -** Common header for IR emitter and optimizations. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_IROPT_H -#define _LJ_IROPT_H - -#include - -#include "lj_obj.h" -#include "lj_jit.h" - -#if LJ_HASJIT -/* IR emitter. */ -LJ_FUNC void LJ_FASTCALL lj_ir_growtop(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_ir_emit(jit_State *J); - -/* Save current IR in J->fold.ins, but do not emit it (yet). */ -static LJ_AINLINE void lj_ir_set_(jit_State *J, uint16_t ot, IRRef1 a, IRRef1 b) -{ - J->fold.ins.ot = ot; J->fold.ins.op1 = a; J->fold.ins.op2 = b; -} - -#define lj_ir_set(J, ot, a, b) \ - lj_ir_set_(J, (uint16_t)(ot), (IRRef1)(a), (IRRef1)(b)) - -/* Get ref of next IR instruction and optionally grow IR. -** Note: this may invalidate all IRIns*! -*/ -static LJ_AINLINE IRRef lj_ir_nextins(jit_State *J) -{ - IRRef ref = J->cur.nins; - if (LJ_UNLIKELY(ref >= J->irtoplim)) lj_ir_growtop(J); - J->cur.nins = ref + 1; - return ref; -} - -/* Interning of constants. */ -LJ_FUNC TRef LJ_FASTCALL lj_ir_kint(jit_State *J, int32_t k); -LJ_FUNC void lj_ir_k64_freeall(jit_State *J); -LJ_FUNC TRef lj_ir_k64(jit_State *J, IROp op, cTValue *tv); -LJ_FUNC cTValue *lj_ir_k64_find(jit_State *J, uint64_t u64); -LJ_FUNC TRef lj_ir_knum_u64(jit_State *J, uint64_t u64); -LJ_FUNC TRef lj_ir_knumint(jit_State *J, lua_Number n); -LJ_FUNC TRef lj_ir_kint64(jit_State *J, uint64_t u64); -LJ_FUNC TRef lj_ir_kgc(jit_State *J, GCobj *o, IRType t); -LJ_FUNC TRef lj_ir_kptr_(jit_State *J, IROp op, void *ptr); -LJ_FUNC TRef lj_ir_knull(jit_State *J, IRType t); -LJ_FUNC TRef lj_ir_kslot(jit_State *J, TRef key, IRRef slot); - -#if LJ_64 -#define lj_ir_kintp(J, k) lj_ir_kint64(J, (uint64_t)(k)) -#else -#define lj_ir_kintp(J, k) lj_ir_kint(J, (int32_t)(k)) -#endif - -static LJ_AINLINE TRef lj_ir_knum(jit_State *J, lua_Number n) -{ - TValue tv; - tv.n = n; - return lj_ir_knum_u64(J, tv.u64); -} - -#define lj_ir_kstr(J, str) lj_ir_kgc(J, obj2gco((str)), IRT_STR) -#define lj_ir_ktab(J, tab) lj_ir_kgc(J, obj2gco((tab)), IRT_TAB) -#define lj_ir_kfunc(J, func) lj_ir_kgc(J, obj2gco((func)), IRT_FUNC) -#define lj_ir_kptr(J, ptr) lj_ir_kptr_(J, IR_KPTR, (ptr)) -#define lj_ir_kkptr(J, ptr) lj_ir_kptr_(J, IR_KKPTR, (ptr)) - -/* Special FP constants. */ -#define lj_ir_knum_zero(J) lj_ir_knum_u64(J, U64x(00000000,00000000)) -#define lj_ir_knum_one(J) lj_ir_knum_u64(J, U64x(3ff00000,00000000)) -#define lj_ir_knum_tobit(J) lj_ir_knum_u64(J, U64x(43380000,00000000)) - -/* Special 128 bit SIMD constants. */ -#define lj_ir_knum_abs(J) lj_ir_k64(J, IR_KNUM, LJ_KSIMD(J, LJ_KSIMD_ABS)) -#define lj_ir_knum_neg(J) lj_ir_k64(J, IR_KNUM, LJ_KSIMD(J, LJ_KSIMD_NEG)) - -/* Access to constants. */ -LJ_FUNC void lj_ir_kvalue(lua_State *L, TValue *tv, const IRIns *ir); - -/* Convert IR operand types. */ -LJ_FUNC TRef LJ_FASTCALL lj_ir_tonumber(jit_State *J, TRef tr); -LJ_FUNC TRef LJ_FASTCALL lj_ir_tonum(jit_State *J, TRef tr); -LJ_FUNC TRef LJ_FASTCALL lj_ir_tostr(jit_State *J, TRef tr); - -/* Miscellaneous IR ops. */ -LJ_FUNC int lj_ir_numcmp(lua_Number a, lua_Number b, IROp op); -LJ_FUNC int lj_ir_strcmp(GCstr *a, GCstr *b, IROp op); -LJ_FUNC void lj_ir_rollback(jit_State *J, IRRef ref); - -/* Emit IR instructions with on-the-fly optimizations. */ -LJ_FUNC TRef LJ_FASTCALL lj_opt_fold(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_opt_cse(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_opt_cselim(jit_State *J, IRRef lim); - -/* Special return values for the fold functions. */ -enum { - NEXTFOLD, /* Couldn't fold, pass on. */ - RETRYFOLD, /* Retry fold with modified fins. */ - KINTFOLD, /* Return ref for int constant in fins->i. */ - FAILFOLD, /* Guard would always fail. */ - DROPFOLD, /* Guard eliminated. */ - MAX_FOLD -}; - -#define INTFOLD(k) ((J->fold.ins.i = (k)), (TRef)KINTFOLD) -#define INT64FOLD(k) (lj_ir_kint64(J, (k))) -#define CONDFOLD(cond) ((TRef)FAILFOLD + (TRef)(cond)) -#define LEFTFOLD (J->fold.ins.op1) -#define RIGHTFOLD (J->fold.ins.op2) -#define CSEFOLD (lj_opt_cse(J)) -#define EMITFOLD (lj_ir_emit(J)) - -/* Load/store forwarding. */ -LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_aload(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_hload(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_uload(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_fload(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_xload(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_tab_len(jit_State *J); -LJ_FUNC int LJ_FASTCALL lj_opt_fwd_href_nokey(jit_State *J); -LJ_FUNC int LJ_FASTCALL lj_opt_fwd_tptr(jit_State *J, IRRef lim); -LJ_FUNC int lj_opt_fwd_wasnonnil(jit_State *J, IROpT loadop, IRRef xref); - -/* Dead-store elimination. */ -LJ_FUNC TRef LJ_FASTCALL lj_opt_dse_ahstore(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_opt_dse_ustore(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_opt_dse_fstore(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_opt_dse_xstore(jit_State *J); - -/* Narrowing. */ -LJ_FUNC TRef LJ_FASTCALL lj_opt_narrow_convert(jit_State *J); -LJ_FUNC TRef LJ_FASTCALL lj_opt_narrow_index(jit_State *J, TRef key); -LJ_FUNC TRef LJ_FASTCALL lj_opt_narrow_toint(jit_State *J, TRef tr); -LJ_FUNC TRef LJ_FASTCALL lj_opt_narrow_tobit(jit_State *J, TRef tr); -#if LJ_HASFFI -LJ_FUNC TRef LJ_FASTCALL lj_opt_narrow_cindex(jit_State *J, TRef key); -#endif -LJ_FUNC TRef lj_opt_narrow_arith(jit_State *J, TRef rb, TRef rc, - TValue *vb, TValue *vc, IROp op); -LJ_FUNC TRef lj_opt_narrow_unm(jit_State *J, TRef rc, TValue *vc); -LJ_FUNC TRef lj_opt_narrow_mod(jit_State *J, TRef rb, TRef rc, TValue *vc); -LJ_FUNC TRef lj_opt_narrow_pow(jit_State *J, TRef rb, TRef rc, TValue *vc); -LJ_FUNC IRType lj_opt_narrow_forl(jit_State *J, cTValue *forbase); - -/* Optimization passes. */ -LJ_FUNC void lj_opt_dce(jit_State *J); -LJ_FUNC int lj_opt_loop(jit_State *J); -#if LJ_SOFTFP || (LJ_32 && LJ_HASFFI) -LJ_FUNC void lj_opt_split(jit_State *J); -#else -#define lj_opt_split(J) UNUSED(J) -#endif - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_jit.h b/libraries/luajit-2.0/src/lj_jit.h deleted file mode 100644 index 8a4c04c..0000000 --- a/libraries/luajit-2.0/src/lj_jit.h +++ /dev/null @@ -1,394 +0,0 @@ -/* -** Common definitions for the JIT compiler. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_JIT_H -#define _LJ_JIT_H - -#include "lj_obj.h" -#include "lj_ir.h" - -/* JIT engine flags. */ -#define JIT_F_ON 0x00000001 - -/* CPU-specific JIT engine flags. */ -#if LJ_TARGET_X86ORX64 -#define JIT_F_CMOV 0x00000010 -#define JIT_F_SSE2 0x00000020 -#define JIT_F_SSE3 0x00000040 -#define JIT_F_SSE4_1 0x00000080 -#define JIT_F_P4 0x00000100 -#define JIT_F_PREFER_IMUL 0x00000200 -#define JIT_F_SPLIT_XMM 0x00000400 -#define JIT_F_LEA_AGU 0x00000800 - -/* Names for the CPU-specific flags. Must match the order above. */ -#define JIT_F_CPU_FIRST JIT_F_CMOV -#define JIT_F_CPUSTRING "\4CMOV\4SSE2\4SSE3\6SSE4.1\2P4\3AMD\2K8\4ATOM" -#elif LJ_TARGET_ARM -#define JIT_F_ARMV6 0x00000010 -#define JIT_F_ARMV6T2 0x00000020 -#define JIT_F_ARMV7 0x00000040 - -/* Names for the CPU-specific flags. Must match the order above. */ -#define JIT_F_CPU_FIRST JIT_F_ARMV6 -#define JIT_F_CPUSTRING "\5ARMv6\7ARMv6T2\5ARMv7" -#else -#define JIT_F_CPU_FIRST 0 -#define JIT_F_CPUSTRING "" -#endif - -/* Optimization flags. */ -#define JIT_F_OPT_MASK 0x0fff0000 - -#define JIT_F_OPT_FOLD 0x00010000 -#define JIT_F_OPT_CSE 0x00020000 -#define JIT_F_OPT_DCE 0x00040000 -#define JIT_F_OPT_FWD 0x00080000 -#define JIT_F_OPT_DSE 0x00100000 -#define JIT_F_OPT_NARROW 0x00200000 -#define JIT_F_OPT_LOOP 0x00400000 -#define JIT_F_OPT_ABC 0x00800000 -#define JIT_F_OPT_FUSE 0x01000000 - -/* Optimizations names for -O. Must match the order above. */ -#define JIT_F_OPT_FIRST JIT_F_OPT_FOLD -#define JIT_F_OPTSTRING \ - "\4fold\3cse\3dce\3fwd\3dse\6narrow\4loop\3abc\4fuse" - -/* Optimization levels set a fixed combination of flags. */ -#define JIT_F_OPT_0 0 -#define JIT_F_OPT_1 (JIT_F_OPT_FOLD|JIT_F_OPT_CSE|JIT_F_OPT_DCE) -#define JIT_F_OPT_2 (JIT_F_OPT_1|JIT_F_OPT_NARROW|JIT_F_OPT_LOOP) -#define JIT_F_OPT_3 \ - (JIT_F_OPT_2|JIT_F_OPT_FWD|JIT_F_OPT_DSE|JIT_F_OPT_ABC|JIT_F_OPT_FUSE) -#define JIT_F_OPT_DEFAULT JIT_F_OPT_3 - -#if LJ_TARGET_WINDOWS || LJ_64 -/* See: http://blogs.msdn.com/oldnewthing/archive/2003/10/08/55239.aspx */ -#define JIT_P_sizemcode_DEFAULT 64 -#else -/* Could go as low as 4K, but the mmap() overhead would be rather high. */ -#define JIT_P_sizemcode_DEFAULT 32 -#endif - -/* Optimization parameters and their defaults. Length is a char in octal! */ -#define JIT_PARAMDEF(_) \ - _(\010, maxtrace, 1000) /* Max. # of traces in cache. */ \ - _(\011, maxrecord, 4000) /* Max. # of recorded IR instructions. */ \ - _(\012, maxirconst, 500) /* Max. # of IR constants of a trace. */ \ - _(\007, maxside, 100) /* Max. # of side traces of a root trace. */ \ - _(\007, maxsnap, 500) /* Max. # of snapshots for a trace. */ \ - \ - _(\007, hotloop, 56) /* # of iter. to detect a hot loop/call. */ \ - _(\007, hotexit, 10) /* # of taken exits to start a side trace. */ \ - _(\007, tryside, 4) /* # of attempts to compile a side trace. */ \ - \ - _(\012, instunroll, 4) /* Max. unroll for instable loops. */ \ - _(\012, loopunroll, 15) /* Max. unroll for loop ops in side traces. */ \ - _(\012, callunroll, 3) /* Max. unroll for recursive calls. */ \ - _(\011, recunroll, 2) /* Min. unroll for true recursion. */ \ - \ - /* Size of each machine code area (in KBytes). */ \ - _(\011, sizemcode, JIT_P_sizemcode_DEFAULT) \ - /* Max. total size of all machine code areas (in KBytes). */ \ - _(\010, maxmcode, 512) \ - /* End of list. */ - -enum { -#define JIT_PARAMENUM(len, name, value) JIT_P_##name, -JIT_PARAMDEF(JIT_PARAMENUM) -#undef JIT_PARAMENUM - JIT_P__MAX -}; - -#define JIT_PARAMSTR(len, name, value) #len #name -#define JIT_P_STRING JIT_PARAMDEF(JIT_PARAMSTR) - -/* Trace compiler state. */ -typedef enum { - LJ_TRACE_IDLE, /* Trace compiler idle. */ - LJ_TRACE_ACTIVE = 0x10, - LJ_TRACE_RECORD, /* Bytecode recording active. */ - LJ_TRACE_START, /* New trace started. */ - LJ_TRACE_END, /* End of trace. */ - LJ_TRACE_ASM, /* Assemble trace. */ - LJ_TRACE_ERR /* Trace aborted with error. */ -} TraceState; - -/* Post-processing action. */ -typedef enum { - LJ_POST_NONE, /* No action. */ - LJ_POST_FIXCOMP, /* Fixup comparison and emit pending guard. */ - LJ_POST_FIXGUARD, /* Fixup and emit pending guard. */ - LJ_POST_FIXGUARDSNAP, /* Fixup and emit pending guard and snapshot. */ - LJ_POST_FIXBOOL, /* Fixup boolean result. */ - LJ_POST_FFRETRY /* Suppress recording of retried fast functions. */ -} PostProc; - -/* Machine code type. */ -#if LJ_TARGET_X86ORX64 -typedef uint8_t MCode; -#else -typedef uint32_t MCode; -#endif - -/* Stack snapshot header. */ -typedef struct SnapShot { - uint16_t mapofs; /* Offset into snapshot map. */ - IRRef1 ref; /* First IR ref for this snapshot. */ - uint8_t nslots; /* Number of valid slots. */ - uint8_t topslot; /* Maximum frame extent. */ - uint8_t nent; /* Number of compressed entries. */ - uint8_t count; /* Count of taken exits for this snapshot. */ -} SnapShot; - -#define SNAPCOUNT_DONE 255 /* Already compiled and linked a side trace. */ - -/* Compressed snapshot entry. */ -typedef uint32_t SnapEntry; - -#define SNAP_FRAME 0x010000 /* Frame slot. */ -#define SNAP_CONT 0x020000 /* Continuation slot. */ -#define SNAP_NORESTORE 0x040000 /* No need to restore slot. */ -#define SNAP_SOFTFPNUM 0x080000 /* Soft-float number. */ -LJ_STATIC_ASSERT(SNAP_FRAME == TREF_FRAME); -LJ_STATIC_ASSERT(SNAP_CONT == TREF_CONT); - -#define SNAP(slot, flags, ref) (((SnapEntry)(slot) << 24) + (flags) + (ref)) -#define SNAP_TR(slot, tr) \ - (((SnapEntry)(slot) << 24) + ((tr) & (TREF_CONT|TREF_FRAME|TREF_REFMASK))) -#define SNAP_MKPC(pc) ((SnapEntry)u32ptr(pc)) -#define SNAP_MKFTSZ(ftsz) ((SnapEntry)(ftsz)) -#define snap_ref(sn) ((sn) & 0xffff) -#define snap_slot(sn) ((BCReg)((sn) >> 24)) -#define snap_isframe(sn) ((sn) & SNAP_FRAME) -#define snap_pc(sn) ((const BCIns *)(uintptr_t)(sn)) -#define snap_setref(sn, ref) (((sn) & (0xffff0000&~SNAP_NORESTORE)) | (ref)) - -/* Snapshot and exit numbers. */ -typedef uint32_t SnapNo; -typedef uint32_t ExitNo; - -/* Trace number. */ -typedef uint32_t TraceNo; /* Used to pass around trace numbers. */ -typedef uint16_t TraceNo1; /* Stored trace number. */ - -/* Type of link. ORDER LJ_TRLINK */ -typedef enum { - LJ_TRLINK_NONE, /* Incomplete trace. No link, yet. */ - LJ_TRLINK_ROOT, /* Link to other root trace. */ - LJ_TRLINK_LOOP, /* Loop to same trace. */ - LJ_TRLINK_TAILREC, /* Tail-recursion. */ - LJ_TRLINK_UPREC, /* Up-recursion. */ - LJ_TRLINK_DOWNREC, /* Down-recursion. */ - LJ_TRLINK_INTERP, /* Fallback to interpreter. */ - LJ_TRLINK_RETURN /* Return to interpreter. */ -} TraceLink; - -/* Trace object. */ -typedef struct GCtrace { - GCHeader; - uint8_t topslot; /* Top stack slot already checked to be allocated. */ - uint8_t linktype; /* Type of link. */ - IRRef nins; /* Next IR instruction. Biased with REF_BIAS. */ - GCRef gclist; - IRIns *ir; /* IR instructions/constants. Biased with REF_BIAS. */ - IRRef nk; /* Lowest IR constant. Biased with REF_BIAS. */ - uint16_t nsnap; /* Number of snapshots. */ - uint16_t nsnapmap; /* Number of snapshot map elements. */ - SnapShot *snap; /* Snapshot array. */ - SnapEntry *snapmap; /* Snapshot map. */ - GCRef startpt; /* Starting prototype. */ - MRef startpc; /* Bytecode PC of starting instruction. */ - BCIns startins; /* Original bytecode of starting instruction. */ - MSize szmcode; /* Size of machine code. */ - MCode *mcode; /* Start of machine code. */ - MSize mcloop; /* Offset of loop start in machine code. */ - uint16_t nchild; /* Number of child traces (root trace only). */ - uint16_t spadjust; /* Stack pointer adjustment (offset in bytes). */ - TraceNo1 traceno; /* Trace number. */ - TraceNo1 link; /* Linked trace (or self for loops). */ - TraceNo1 root; /* Root trace of side trace (or 0 for root traces). */ - TraceNo1 nextroot; /* Next root trace for same prototype. */ - TraceNo1 nextside; /* Next side trace of same root trace. */ - uint16_t unused2; -#ifdef LUAJIT_USE_GDBJIT - void *gdbjit_entry; /* GDB JIT entry. */ -#endif -} GCtrace; - -#define gco2trace(o) check_exp((o)->gch.gct == ~LJ_TTRACE, (GCtrace *)(o)) -#define traceref(J, n) \ - check_exp((n)>0 && (MSize)(n)sizetrace, (GCtrace *)gcref(J->trace[(n)])) - -LJ_STATIC_ASSERT(offsetof(GChead, gclist) == offsetof(GCtrace, gclist)); - -static LJ_AINLINE MSize snap_nextofs(GCtrace *T, SnapShot *snap) -{ - if (snap+1 == &T->snap[T->nsnap]) - return T->nsnapmap; - else - return (snap+1)->mapofs; -} - -/* Round-robin penalty cache for bytecodes leading to aborted traces. */ -typedef struct HotPenalty { - MRef pc; /* Starting bytecode PC. */ - uint16_t val; /* Penalty value, i.e. hotcount start. */ - uint16_t reason; /* Abort reason (really TraceErr). */ -} HotPenalty; - -#define PENALTY_SLOTS 64 /* Penalty cache slot. Must be a power of 2. */ -#define PENALTY_MIN (36*2) /* Minimum penalty value. */ -#define PENALTY_MAX 60000 /* Maximum penalty value. */ -#define PENALTY_RNDBITS 4 /* # of random bits to add to penalty value. */ - -/* Round-robin backpropagation cache for narrowing conversions. */ -typedef struct BPropEntry { - IRRef1 key; /* Key: original reference. */ - IRRef1 val; /* Value: reference after conversion. */ - IRRef mode; /* Mode for this entry (currently IRCONV_*). */ -} BPropEntry; - -/* Number of slots for the backpropagation cache. Must be a power of 2. */ -#define BPROP_SLOTS 16 - -/* Scalar evolution analysis cache. */ -typedef struct ScEvEntry { - IRRef1 idx; /* Index reference. */ - IRRef1 start; /* Constant start reference. */ - IRRef1 stop; /* Constant stop reference. */ - IRRef1 step; /* Constant step reference. */ - IRType1 t; /* Scalar type. */ - uint8_t dir; /* Direction. 1: +, 0: -. */ -} ScEvEntry; - -/* 128 bit SIMD constants. */ -enum { - LJ_KSIMD_ABS, - LJ_KSIMD_NEG, - LJ_KSIMD__MAX -}; - -/* Get 16 byte aligned pointer to SIMD constant. */ -#define LJ_KSIMD(J, n) \ - ((TValue *)(((intptr_t)&J->ksimd[2*(n)] + 15) & ~(intptr_t)15)) - -/* Set/reset flag to activate the SPLIT pass for the current trace. */ -#if LJ_SOFTFP || (LJ_32 && LJ_HASFFI) -#define lj_needsplit(J) (J->needsplit = 1) -#define lj_resetsplit(J) (J->needsplit = 0) -#else -#define lj_needsplit(J) UNUSED(J) -#define lj_resetsplit(J) UNUSED(J) -#endif - -/* Fold state is used to fold instructions on-the-fly. */ -typedef struct FoldState { - IRIns ins; /* Currently emitted instruction. */ - IRIns left; /* Instruction referenced by left operand. */ - IRIns right; /* Instruction referenced by right operand. */ -} FoldState; - -/* JIT compiler state. */ -typedef struct jit_State { - GCtrace cur; /* Current trace. */ - - lua_State *L; /* Current Lua state. */ - const BCIns *pc; /* Current PC. */ - GCfunc *fn; /* Current function. */ - GCproto *pt; /* Current prototype. */ - TRef *base; /* Current frame base, points into J->slots. */ - - uint32_t flags; /* JIT engine flags. */ - BCReg maxslot; /* Relative to baseslot. */ - BCReg baseslot; /* Current frame base, offset into J->slots. */ - - uint8_t mergesnap; /* Allowed to merge with next snapshot. */ - uint8_t needsnap; /* Need snapshot before recording next bytecode. */ - IRType1 guardemit; /* Accumulated IRT_GUARD for emitted instructions. */ - uint8_t bcskip; /* Number of bytecode instructions to skip. */ - - FoldState fold; /* Fold state. */ - - const BCIns *bc_min; /* Start of allowed bytecode range for root trace. */ - MSize bc_extent; /* Extent of the range. */ - - TraceState state; /* Trace compiler state. */ - - int32_t instunroll; /* Unroll counter for instable loops. */ - int32_t loopunroll; /* Unroll counter for loop ops in side traces. */ - int32_t tailcalled; /* Number of successive tailcalls. */ - int32_t framedepth; /* Current frame depth. */ - int32_t retdepth; /* Return frame depth (count of RETF). */ - - MRef k64; /* Pointer to chained array of 64 bit constants. */ - TValue ksimd[LJ_KSIMD__MAX*2+1]; /* 16 byte aligned SIMD constants. */ - - IRIns *irbuf; /* Temp. IR instruction buffer. Biased with REF_BIAS. */ - IRRef irtoplim; /* Upper limit of instuction buffer (biased). */ - IRRef irbotlim; /* Lower limit of instuction buffer (biased). */ - IRRef loopref; /* Last loop reference or ref of final LOOP (or 0). */ - - MSize sizesnap; /* Size of temp. snapshot buffer. */ - SnapShot *snapbuf; /* Temp. snapshot buffer. */ - SnapEntry *snapmapbuf; /* Temp. snapshot map buffer. */ - MSize sizesnapmap; /* Size of temp. snapshot map buffer. */ - - PostProc postproc; /* Required post-processing after execution. */ -#if LJ_SOFTFP || (LJ_32 && LJ_HASFFI) - int needsplit; /* Need SPLIT pass. */ -#endif - - GCRef *trace; /* Array of traces. */ - TraceNo freetrace; /* Start of scan for next free trace. */ - MSize sizetrace; /* Size of trace array. */ - - IRRef1 chain[IR__MAX]; /* IR instruction skip-list chain anchors. */ - TRef slot[LJ_MAX_JSLOTS+LJ_STACK_EXTRA]; /* Stack slot map. */ - - int32_t param[JIT_P__MAX]; /* JIT engine parameters. */ - - MCode *exitstubgroup[LJ_MAX_EXITSTUBGR]; /* Exit stub group addresses. */ - - HotPenalty penalty[PENALTY_SLOTS]; /* Penalty slots. */ - uint32_t penaltyslot; /* Round-robin index into penalty slots. */ - uint32_t prngstate; /* PRNG state. */ - - BPropEntry bpropcache[BPROP_SLOTS]; /* Backpropagation cache slots. */ - uint32_t bpropslot; /* Round-robin index into bpropcache slots. */ - - ScEvEntry scev; /* Scalar evolution analysis cache slots. */ - - const BCIns *startpc; /* Bytecode PC of starting instruction. */ - TraceNo parent; /* Parent of current side trace (0 for root traces). */ - ExitNo exitno; /* Exit number in parent of current side trace. */ - - BCIns *patchpc; /* PC for pending re-patch. */ - BCIns patchins; /* Instruction for pending re-patch. */ - - int mcprot; /* Protection of current mcode area. */ - MCode *mcarea; /* Base of current mcode area. */ - MCode *mctop; /* Top of current mcode area. */ - MCode *mcbot; /* Bottom of current mcode area. */ - size_t szmcarea; /* Size of current mcode area. */ - size_t szallmcarea; /* Total size of all allocated mcode areas. */ - - TValue errinfo; /* Additional info element for trace errors. */ -} -#if LJ_TARGET_ARM -LJ_ALIGN(16) /* For DISPATCH-relative addresses in assembler part. */ -#endif -jit_State; - -/* Trivial PRNG e.g. used for penalty randomization. */ -static LJ_AINLINE uint32_t LJ_PRNG_BITS(jit_State *J, int bits) -{ - /* Yes, this LCG is very weak, but that doesn't matter for our use case. */ - J->prngstate = J->prngstate * 1103515245 + 12345; - return J->prngstate >> (32-bits); -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_lex.c b/libraries/luajit-2.0/src/lj_lex.c deleted file mode 100644 index 59d8225..0000000 --- a/libraries/luajit-2.0/src/lj_lex.c +++ /dev/null @@ -1,508 +0,0 @@ -/* -** Lexical analyzer. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#define lj_lex_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#if LJ_HASFFI -#include "lj_tab.h" -#include "lj_ctype.h" -#include "lj_cdata.h" -#include "lualib.h" -#endif -#include "lj_state.h" -#include "lj_lex.h" -#include "lj_parse.h" -#include "lj_char.h" - -/* Lua lexer token names. */ -static const char *const tokennames[] = { -#define TKSTR1(name) #name, -#define TKSTR2(name, sym) #sym, -TKDEF(TKSTR1, TKSTR2) -#undef TKSTR1 -#undef TKSTR2 - NULL -}; - -/* -- Buffer handling ----------------------------------------------------- */ - -#define char2int(c) ((int)(uint8_t)(c)) -#define next(ls) \ - (ls->current = (ls->n--) > 0 ? char2int(*ls->p++) : fillbuf(ls)) -#define save_and_next(ls) (save(ls, ls->current), next(ls)) -#define currIsNewline(ls) (ls->current == '\n' || ls->current == '\r') -#define END_OF_STREAM (-1) - -static int fillbuf(LexState *ls) -{ - size_t sz; - const char *buf = ls->rfunc(ls->L, ls->rdata, &sz); - if (buf == NULL || sz == 0) return END_OF_STREAM; - ls->n = (MSize)sz - 1; - ls->p = buf; - return char2int(*(ls->p++)); -} - -static LJ_NOINLINE void save_grow(LexState *ls, int c) -{ - MSize newsize; - if (ls->sb.sz >= LJ_MAX_STR/2) - lj_lex_error(ls, 0, LJ_ERR_XELEM); - newsize = ls->sb.sz * 2; - lj_str_resizebuf(ls->L, &ls->sb, newsize); - ls->sb.buf[ls->sb.n++] = (char)c; -} - -static LJ_AINLINE void save(LexState *ls, int c) -{ - if (LJ_UNLIKELY(ls->sb.n + 1 > ls->sb.sz)) - save_grow(ls, c); - else - ls->sb.buf[ls->sb.n++] = (char)c; -} - -static void inclinenumber(LexState *ls) -{ - int old = ls->current; - lua_assert(currIsNewline(ls)); - next(ls); /* skip `\n' or `\r' */ - if (currIsNewline(ls) && ls->current != old) - next(ls); /* skip `\n\r' or `\r\n' */ - if (++ls->linenumber >= LJ_MAX_LINE) - lj_lex_error(ls, ls->token, LJ_ERR_XLINES); -} - -/* -- Scanner for terminals ----------------------------------------------- */ - -#if LJ_HASFFI -/* Load FFI library on-demand. Needed if we create cdata objects. */ -static void lex_loadffi(lua_State *L) -{ - ptrdiff_t oldtop = savestack(L, L->top); - luaopen_ffi(L); - L->top = restorestack(L, oldtop); -} - -/* Parse 64 bit integer. */ -static int lex_number64(LexState *ls, TValue *tv) -{ - uint64_t n = 0; - uint8_t *p = (uint8_t *)ls->sb.buf; - CTypeID id = CTID_INT64; - GCcdata *cd; - int numl = 0; - if (p[0] == '0' && (p[1] & ~0x20) == 'X') { /* Hexadecimal. */ - p += 2; - if (!lj_char_isxdigit(*p)) return 0; - do { - n = n*16 + (*p & 15); - if (!lj_char_isdigit(*p)) n += 9; - p++; - } while (lj_char_isxdigit(*p)); - } else { /* Decimal. */ - if (!lj_char_isdigit(*p)) return 0; - do { - n = n*10 + (*p - '0'); - p++; - } while (lj_char_isdigit(*p)); - } - for (;;) { /* Parse suffixes. */ - if ((*p & ~0x20) == 'U') - id = CTID_UINT64; - else if ((*p & ~0x20) == 'L') - numl++; - else - break; - p++; - } - if (numl != 2 || *p != '\0') return 0; - /* Return cdata holding a 64 bit integer. */ - cd = lj_cdata_new_(ls->L, id, 8); - *(uint64_t *)cdataptr(cd) = n; - lj_parse_keepcdata(ls, tv, cd); - return 1; /* Ok. */ -} -#endif - -/* Parse a number literal. */ -static void lex_number(LexState *ls, TValue *tv) -{ - int c, xp = 'E'; - lua_assert(lj_char_isdigit(ls->current)); - if ((c = ls->current) == '0') { - save_and_next(ls); - if ((ls->current & ~0x20) == 'X') xp = 'P'; - } - while (lj_char_isident(ls->current) || ls->current == '.' || - ((ls->current == '-' || ls->current == '+') && (c & ~0x20) == xp)) { - c = ls->current; - save_and_next(ls); - } -#if LJ_HASFFI - c &= ~0x20; - if ((c == 'I' || c == 'L' || c == 'U') && !ctype_ctsG(G(ls->L))) - lex_loadffi(ls->L); - if (c == 'I') /* Parse imaginary part of complex number. */ - ls->sb.n--; -#endif - save(ls, '\0'); -#if LJ_HASFFI - if ((c == 'L' || c == 'U') && lex_number64(ls, tv)) { /* Parse 64 bit int. */ - return; - } else -#endif - if (lj_str_numconv(ls->sb.buf, tv)) { -#if LJ_HASFFI - if (c == 'I') { /* Return cdata holding a complex number. */ - GCcdata *cd = lj_cdata_new_(ls->L, CTID_COMPLEX_DOUBLE, 2*sizeof(double)); - ((double *)cdataptr(cd))[0] = 0; - ((double *)cdataptr(cd))[1] = numberVnum(tv); - lj_parse_keepcdata(ls, tv, cd); - } -#endif - if (LJ_DUALNUM && tvisnum(tv)) { - int32_t k = lj_num2int(numV(tv)); - if ((lua_Number)k == numV(tv)) /* -0 cannot end up here. */ - setintV(tv, k); - } - return; - } - lj_lex_error(ls, TK_number, LJ_ERR_XNUMBER); -} - -static int skip_sep(LexState *ls) -{ - int count = 0; - int s = ls->current; - lua_assert(s == '[' || s == ']'); - save_and_next(ls); - while (ls->current == '=') { - save_and_next(ls); - count++; - } - return (ls->current == s) ? count : (-count) - 1; -} - -static void read_long_string(LexState *ls, TValue *tv, int sep) -{ - save_and_next(ls); /* skip 2nd `[' */ - if (currIsNewline(ls)) /* string starts with a newline? */ - inclinenumber(ls); /* skip it */ - for (;;) { - switch (ls->current) { - case END_OF_STREAM: - lj_lex_error(ls, TK_eof, tv ? LJ_ERR_XLSTR : LJ_ERR_XLCOM); - break; - case ']': - if (skip_sep(ls) == sep) { - save_and_next(ls); /* skip 2nd `]' */ - goto endloop; - } - break; - case '\n': - case '\r': - save(ls, '\n'); - inclinenumber(ls); - if (!tv) lj_str_resetbuf(&ls->sb); /* avoid wasting space */ - break; - default: - if (tv) save_and_next(ls); - else next(ls); - break; - } - } endloop: - if (tv) { - GCstr *str = lj_parse_keepstr(ls, ls->sb.buf + (2 + (MSize)sep), - ls->sb.n - 2*(2 + (MSize)sep)); - setstrV(ls->L, tv, str); - } -} - -static void read_string(LexState *ls, int delim, TValue *tv) -{ - save_and_next(ls); - while (ls->current != delim) { - switch (ls->current) { - case END_OF_STREAM: - lj_lex_error(ls, TK_eof, LJ_ERR_XSTR); - continue; - case '\n': - case '\r': - lj_lex_error(ls, TK_string, LJ_ERR_XSTR); - continue; - case '\\': { - int c = next(ls); /* Skip the '\\'. */ - switch (c) { - case 'a': c = '\a'; break; - case 'b': c = '\b'; break; - case 'f': c = '\f'; break; - case 'n': c = '\n'; break; - case 'r': c = '\r'; break; - case 't': c = '\t'; break; - case 'v': c = '\v'; break; - case 'x': /* Hexadecimal escape '\xXX'. */ - c = (next(ls) & 15u) << 4; - if (!lj_char_isdigit(ls->current)) { - if (!lj_char_isxdigit(ls->current)) goto err_xesc; - c += 9 << 4; - } - c += (next(ls) & 15u); - if (!lj_char_isdigit(ls->current)) { - if (!lj_char_isxdigit(ls->current)) goto err_xesc; - c += 9; - } - break; - case 'z': /* Skip whitespace. */ - next(ls); - while (lj_char_isspace(ls->current)) - if (currIsNewline(ls)) inclinenumber(ls); else next(ls); - continue; - case '\n': case '\r': save(ls, '\n'); inclinenumber(ls); continue; - case '\\': case '\"': case '\'': break; - case END_OF_STREAM: continue; - default: - if (!lj_char_isdigit(c)) - goto err_xesc; - c -= '0'; /* Decimal escape '\ddd'. */ - if (lj_char_isdigit(next(ls))) { - c = c*10 + (ls->current - '0'); - if (lj_char_isdigit(next(ls))) { - c = c*10 + (ls->current - '0'); - if (c > 255) { - err_xesc: - lj_lex_error(ls, TK_string, LJ_ERR_XESC); - } - next(ls); - } - } - save(ls, c); - continue; - } - save(ls, c); - next(ls); - continue; - } - default: - save_and_next(ls); - break; - } - } - save_and_next(ls); /* skip delimiter */ - setstrV(ls->L, tv, lj_parse_keepstr(ls, ls->sb.buf + 1, ls->sb.n - 2)); -} - -/* -- Main lexical scanner ------------------------------------------------ */ - -static int llex(LexState *ls, TValue *tv) -{ - lj_str_resetbuf(&ls->sb); - for (;;) { - if (lj_char_isident(ls->current)) { - GCstr *s; - if (lj_char_isdigit(ls->current)) { /* Numeric literal. */ - lex_number(ls, tv); - return TK_number; - } - /* Identifier or reserved word. */ - do { - save_and_next(ls); - } while (lj_char_isident(ls->current)); - s = lj_parse_keepstr(ls, ls->sb.buf, ls->sb.n); - if (s->reserved > 0) /* Reserved word? */ - return TK_OFS + s->reserved; - setstrV(ls->L, tv, s); - return TK_name; - } - switch (ls->current) { - case '\n': - case '\r': - inclinenumber(ls); - continue; - case ' ': - case '\t': - case '\v': - case '\f': - next(ls); - continue; - case '-': - next(ls); - if (ls->current != '-') return '-'; - /* else is a comment */ - next(ls); - if (ls->current == '[') { - int sep = skip_sep(ls); - lj_str_resetbuf(&ls->sb); /* `skip_sep' may dirty the buffer */ - if (sep >= 0) { - read_long_string(ls, NULL, sep); /* long comment */ - lj_str_resetbuf(&ls->sb); - continue; - } - } - /* else short comment */ - while (!currIsNewline(ls) && ls->current != END_OF_STREAM) - next(ls); - continue; - case '[': { - int sep = skip_sep(ls); - if (sep >= 0) { - read_long_string(ls, tv, sep); - return TK_string; - } else if (sep == -1) { - return '['; - } else { - lj_lex_error(ls, TK_string, LJ_ERR_XLDELIM); - continue; - } - } - case '=': - next(ls); - if (ls->current != '=') return '='; else { next(ls); return TK_eq; } - case '<': - next(ls); - if (ls->current != '=') return '<'; else { next(ls); return TK_le; } - case '>': - next(ls); - if (ls->current != '=') return '>'; else { next(ls); return TK_ge; } - case '~': - next(ls); - if (ls->current != '=') return '~'; else { next(ls); return TK_ne; } - case '"': - case '\'': - read_string(ls, ls->current, tv); - return TK_string; - case '.': - save_and_next(ls); - if (ls->current == '.') { - next(ls); - if (ls->current == '.') { - next(ls); - return TK_dots; /* ... */ - } - return TK_concat; /* .. */ - } else if (!lj_char_isdigit(ls->current)) { - return '.'; - } else { - lex_number(ls, tv); - return TK_number; - } - case END_OF_STREAM: - return TK_eof; - default: { - int c = ls->current; - next(ls); - return c; /* Single-char tokens (+ - / ...). */ - } - } - } -} - -/* -- Lexer API ----------------------------------------------------------- */ - -/* Setup lexer state. */ -int lj_lex_setup(lua_State *L, LexState *ls) -{ - ls->L = L; - ls->fs = NULL; - ls->n = 0; - ls->p = NULL; - ls->vstack = NULL; - ls->sizevstack = 0; - ls->vtop = 0; - ls->bcstack = NULL; - ls->sizebcstack = 0; - ls->lookahead = TK_eof; /* No look-ahead token. */ - ls->linenumber = 1; - ls->lastline = 1; - lj_str_resizebuf(ls->L, &ls->sb, LJ_MIN_SBUF); - next(ls); /* Read-ahead first char. */ - if (ls->current == 0xef && ls->n >= 2 && char2int(ls->p[0]) == 0xbb && - char2int(ls->p[1]) == 0xbf) { /* Skip UTF-8 BOM (if buffered). */ - ls->n -= 2; - ls->p += 2; - next(ls); - } - if (ls->current == '#') { /* Skip POSIX #! header line. */ - do { - next(ls); - if (ls->current == END_OF_STREAM) return 0; - } while (!currIsNewline(ls)); - inclinenumber(ls); - } - return (ls->current == LUA_SIGNATURE[0]); /* Bytecode dump? */ -} - -/* Cleanup lexer state. */ -void lj_lex_cleanup(lua_State *L, LexState *ls) -{ - global_State *g = G(L); - lj_mem_freevec(g, ls->bcstack, ls->sizebcstack, BCInsLine); - lj_mem_freevec(g, ls->vstack, ls->sizevstack, VarInfo); - lj_str_freebuf(g, &ls->sb); -} - -void lj_lex_next(LexState *ls) -{ - ls->lastline = ls->linenumber; - if (LJ_LIKELY(ls->lookahead == TK_eof)) { /* No lookahead token? */ - ls->token = llex(ls, &ls->tokenval); /* Get next token. */ - } else { /* Otherwise return lookahead token. */ - ls->token = ls->lookahead; - ls->lookahead = TK_eof; - ls->tokenval = ls->lookaheadval; - } -} - -LexToken lj_lex_lookahead(LexState *ls) -{ - lua_assert(ls->lookahead == TK_eof); - ls->lookahead = llex(ls, &ls->lookaheadval); - return ls->lookahead; -} - -const char *lj_lex_token2str(LexState *ls, LexToken token) -{ - if (token > TK_OFS) - return tokennames[token-TK_OFS-1]; - else if (!lj_char_iscntrl(token)) - return lj_str_pushf(ls->L, "%c", token); - else - return lj_str_pushf(ls->L, "char(%d)", token); -} - -void lj_lex_error(LexState *ls, LexToken token, ErrMsg em, ...) -{ - const char *tok; - va_list argp; - if (token == 0) { - tok = NULL; - } else if (token == TK_name || token == TK_string || token == TK_number) { - save(ls, '\0'); - tok = ls->sb.buf; - } else { - tok = lj_lex_token2str(ls, token); - } - va_start(argp, em); - lj_err_lex(ls->L, ls->chunkname, tok, ls->linenumber, em, argp); - va_end(argp); -} - -void lj_lex_init(lua_State *L) -{ - uint32_t i; - for (i = 0; i < TK_RESERVED; i++) { - GCstr *s = lj_str_newz(L, tokennames[i]); - fixstring(s); /* Reserved words are never collected. */ - s->reserved = (uint8_t)(i+1); - } -} - diff --git a/libraries/luajit-2.0/src/lj_lex.h b/libraries/luajit-2.0/src/lj_lex.h deleted file mode 100644 index 1ddf4b5..0000000 --- a/libraries/luajit-2.0/src/lj_lex.h +++ /dev/null @@ -1,82 +0,0 @@ -/* -** Lexical analyzer. -** Major parts taken verbatim from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#ifndef _LJ_LEX_H -#define _LJ_LEX_H - -#include - -#include "lj_obj.h" -#include "lj_err.h" - -/* Lua lexer tokens. */ -#define TKDEF(_, __) \ - _(and) _(break) _(do) _(else) _(elseif) _(end) _(false) \ - _(for) _(function) _(if) _(in) _(local) _(nil) _(not) _(or) \ - _(repeat) _(return) _(then) _(true) _(until) _(while) \ - __(concat, ..) __(dots, ...) __(eq, ==) __(ge, >=) __(le, <=) __(ne, ~=) \ - __(number, ) __(name, ) __(string, ) __(eof, ) - -enum { - TK_OFS = 256, -#define TKENUM1(name) TK_##name, -#define TKENUM2(name, sym) TK_##name, -TKDEF(TKENUM1, TKENUM2) -#undef TKENUM1 -#undef TKENUM2 - TK_RESERVED = TK_while - TK_OFS -}; - -typedef int LexToken; - -/* Combined bytecode ins/line. Only used during bytecode generation. */ -typedef struct BCInsLine { - BCIns ins; /* Bytecode instruction. */ - BCLine line; /* Line number for this bytecode. */ -} BCInsLine; - -/* Info for local variables. Only used during bytecode generation. */ -typedef struct VarInfo { - GCRef name; /* Local variable name. */ - BCPos startpc; /* First point where the local variable is active. */ - BCPos endpc; /* First point where the local variable is dead. */ -} VarInfo; - -/* Lua lexer state. */ -typedef struct LexState { - struct FuncState *fs; /* Current FuncState. Defined in lj_parse.c. */ - struct lua_State *L; /* Lua state. */ - TValue tokenval; /* Current token value. */ - TValue lookaheadval; /* Lookahead token value. */ - int current; /* Current character (charint). */ - LexToken token; /* Current token. */ - LexToken lookahead; /* Lookahead token. */ - MSize n; /* Bytes left in input buffer. */ - const char *p; /* Current position in input buffer. */ - SBuf sb; /* String buffer for tokens. */ - lua_Reader rfunc; /* Reader callback. */ - void *rdata; /* Reader callback data. */ - BCLine linenumber; /* Input line counter. */ - BCLine lastline; /* Line of last token. */ - GCstr *chunkname; /* Current chunk name (interned string). */ - const char *chunkarg; /* Chunk name argument. */ - VarInfo *vstack; /* Stack for names and extents of local variables. */ - MSize sizevstack; /* Size of variable stack. */ - MSize vtop; /* Top of variable stack. */ - BCInsLine *bcstack; /* Stack for bytecode instructions/line numbers. */ - MSize sizebcstack; /* Size of bytecode stack. */ - uint32_t level; /* Syntactical nesting level. */ -} LexState; - -LJ_FUNC int lj_lex_setup(lua_State *L, LexState *ls); -LJ_FUNC void lj_lex_cleanup(lua_State *L, LexState *ls); -LJ_FUNC void lj_lex_next(LexState *ls); -LJ_FUNC LexToken lj_lex_lookahead(LexState *ls); -LJ_FUNC const char *lj_lex_token2str(LexState *ls, LexToken token); -LJ_FUNC_NORET void lj_lex_error(LexState *ls, LexToken token, ErrMsg em, ...); -LJ_FUNC void lj_lex_init(lua_State *L); - -#endif diff --git a/libraries/luajit-2.0/src/lj_lib.c b/libraries/luajit-2.0/src/lj_lib.c deleted file mode 100644 index 655ad08..0000000 --- a/libraries/luajit-2.0/src/lj_lib.c +++ /dev/null @@ -1,260 +0,0 @@ -/* -** Library function support. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_lib_c -#define LUA_CORE - -#include "lauxlib.h" - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_func.h" -#include "lj_bc.h" -#include "lj_dispatch.h" -#include "lj_vm.h" -#include "lj_lib.h" - -/* -- Library initialization ---------------------------------------------- */ - -static GCtab *lib_create_table(lua_State *L, const char *libname, int hsize) -{ - if (libname) { - luaL_findtable(L, LUA_REGISTRYINDEX, "_LOADED", 16); - lua_getfield(L, -1, libname); - if (!tvistab(L->top-1)) { - L->top--; - if (luaL_findtable(L, LUA_GLOBALSINDEX, libname, hsize) != NULL) - lj_err_callerv(L, LJ_ERR_BADMODN, libname); - settabV(L, L->top, tabV(L->top-1)); - L->top++; - lua_setfield(L, -3, libname); /* _LOADED[libname] = new table */ - } - L->top--; - settabV(L, L->top-1, tabV(L->top)); - } else { - lua_createtable(L, 0, hsize); - } - return tabV(L->top-1); -} - -void lj_lib_register(lua_State *L, const char *libname, - const uint8_t *p, const lua_CFunction *cf) -{ - GCtab *env = tabref(L->env); - GCfunc *ofn = NULL; - int ffid = *p++; - BCIns *bcff = &L2GG(L)->bcff[*p++]; - GCtab *tab = lib_create_table(L, libname, *p++); - ptrdiff_t tpos = L->top - L->base; - - /* Avoid barriers further down. */ - lj_gc_anybarriert(L, tab); - tab->nomm = 0; - - for (;;) { - uint32_t tag = *p++; - MSize len = tag & LIBINIT_LENMASK; - tag &= LIBINIT_TAGMASK; - if (tag != LIBINIT_STRING) { - const char *name; - MSize nuv = (MSize)(L->top - L->base - tpos); - GCfunc *fn = lj_func_newC(L, nuv, env); - if (nuv) { - L->top = L->base + tpos; - memcpy(fn->c.upvalue, L->top, sizeof(TValue)*nuv); - } - fn->c.ffid = (uint8_t)(ffid++); - name = (const char *)p; - p += len; - if (tag == LIBINIT_CF) - setmref(fn->c.pc, &G(L)->bc_cfunc_int); - else - setmref(fn->c.pc, bcff++); - if (tag == LIBINIT_ASM_) - fn->c.f = ofn->c.f; /* Copy handler from previous function. */ - else - fn->c.f = *cf++; /* Get cf or handler from C function table. */ - if (len) { - /* NOBARRIER: See above for common barrier. */ - setfuncV(L, lj_tab_setstr(L, tab, lj_str_new(L, name, len)), fn); - } - ofn = fn; - } else { - switch (tag | len) { - case LIBINIT_SET: - L->top -= 2; - if (tvisstr(L->top+1) && strV(L->top+1)->len == 0) - env = tabV(L->top); - else /* NOBARRIER: See above for common barrier. */ - copyTV(L, lj_tab_set(L, tab, L->top+1), L->top); - break; - case LIBINIT_NUMBER: - memcpy(&L->top->n, p, sizeof(double)); - L->top++; - p += sizeof(double); - break; - case LIBINIT_COPY: - copyTV(L, L->top, L->top - *p++); - L->top++; - break; - case LIBINIT_LASTCL: - setfuncV(L, L->top++, ofn); - break; - case LIBINIT_FFID: - ffid++; - break; - case LIBINIT_END: - return; - default: - setstrV(L, L->top++, lj_str_new(L, (const char *)p, len)); - p += len; - break; - } - } - } -} - -/* -- Type checks --------------------------------------------------------- */ - -TValue *lj_lib_checkany(lua_State *L, int narg) -{ - TValue *o = L->base + narg-1; - if (o >= L->top) - lj_err_arg(L, narg, LJ_ERR_NOVAL); - return o; -} - -GCstr *lj_lib_checkstr(lua_State *L, int narg) -{ - TValue *o = L->base + narg-1; - if (o < L->top) { - if (LJ_LIKELY(tvisstr(o))) { - return strV(o); - } else if (tvisnumber(o)) { - GCstr *s = lj_str_fromnumber(L, o); - setstrV(L, o, s); - return s; - } - } - lj_err_argt(L, narg, LUA_TSTRING); - return NULL; /* unreachable */ -} - -GCstr *lj_lib_optstr(lua_State *L, int narg) -{ - TValue *o = L->base + narg-1; - return (o < L->top && !tvisnil(o)) ? lj_lib_checkstr(L, narg) : NULL; -} - -#if LJ_DUALNUM -void lj_lib_checknumber(lua_State *L, int narg) -{ - TValue *o = L->base + narg-1; - if (!(o < L->top && - (tvisnumber(o) || (tvisstr(o) && lj_str_tonumber(strV(o), o))))) - lj_err_argt(L, narg, LUA_TNUMBER); -} -#endif - -lua_Number lj_lib_checknum(lua_State *L, int narg) -{ - TValue *o = L->base + narg-1; - if (!(o < L->top && - (tvisnumber(o) || (tvisstr(o) && lj_str_tonumber(strV(o), o))))) - lj_err_argt(L, narg, LUA_TNUMBER); - if (LJ_UNLIKELY(tvisint(o))) { - lua_Number n = (lua_Number)intV(o); - setnumV(o, n); - return n; - } else { - return numV(o); - } -} - -int32_t lj_lib_checkint(lua_State *L, int narg) -{ - TValue *o = L->base + narg-1; - if (!(o < L->top && - (tvisnumber(o) || (tvisstr(o) && lj_str_tonumber(strV(o), o))))) - lj_err_argt(L, narg, LUA_TNUMBER); - if (LJ_LIKELY(tvisint(o))) { - return intV(o); - } else { - int32_t i = lj_num2int(numV(o)); - if (LJ_DUALNUM) setintV(o, i); - return i; - } -} - -int32_t lj_lib_optint(lua_State *L, int narg, int32_t def) -{ - TValue *o = L->base + narg-1; - return (o < L->top && !tvisnil(o)) ? lj_lib_checkint(L, narg) : def; -} - -int32_t lj_lib_checkbit(lua_State *L, int narg) -{ - TValue *o = L->base + narg-1; - if (!(o < L->top && - (tvisnumber(o) || (tvisstr(o) && lj_str_tonumber(strV(o), o))))) - lj_err_argt(L, narg, LUA_TNUMBER); - if (LJ_LIKELY(tvisint(o))) { - return intV(o); - } else { - int32_t i = lj_num2bit(numV(o)); - if (LJ_DUALNUM) setintV(o, i); - return i; - } -} - -GCfunc *lj_lib_checkfunc(lua_State *L, int narg) -{ - TValue *o = L->base + narg-1; - if (!(o < L->top && tvisfunc(o))) - lj_err_argt(L, narg, LUA_TFUNCTION); - return funcV(o); -} - -GCtab *lj_lib_checktab(lua_State *L, int narg) -{ - TValue *o = L->base + narg-1; - if (!(o < L->top && tvistab(o))) - lj_err_argt(L, narg, LUA_TTABLE); - return tabV(o); -} - -GCtab *lj_lib_checktabornil(lua_State *L, int narg) -{ - TValue *o = L->base + narg-1; - if (o < L->top) { - if (tvistab(o)) - return tabV(o); - else if (tvisnil(o)) - return NULL; - } - lj_err_arg(L, narg, LJ_ERR_NOTABN); - return NULL; /* unreachable */ -} - -int lj_lib_checkopt(lua_State *L, int narg, int def, const char *lst) -{ - GCstr *s = def >= 0 ? lj_lib_optstr(L, narg) : lj_lib_checkstr(L, narg); - if (s) { - const char *opt = strdata(s); - MSize len = s->len; - int i; - for (i = 0; *(const uint8_t *)lst; i++) { - if (*(const uint8_t *)lst == len && memcmp(opt, lst+1, len) == 0) - return i; - lst += 1+*(const uint8_t *)lst; - } - lj_err_argv(L, narg, LJ_ERR_INVOPTM, opt); - } - return def; -} - diff --git a/libraries/luajit-2.0/src/lj_lib.h b/libraries/luajit-2.0/src/lj_lib.h deleted file mode 100644 index 2c30b68..0000000 --- a/libraries/luajit-2.0/src/lj_lib.h +++ /dev/null @@ -1,112 +0,0 @@ -/* -** Library function support. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_LIB_H -#define _LJ_LIB_H - -#include "lj_obj.h" - -/* -** A fallback handler is called by the assembler VM if the fast path fails: -** -** - too few arguments: unrecoverable. -** - wrong argument type: recoverable, if coercion succeeds. -** - bad argument value: unrecoverable. -** - stack overflow: recoverable, if stack reallocation succeeds. -** - extra handling: recoverable. -** -** The unrecoverable cases throw an error with lj_err_arg(), lj_err_argtype(), -** lj_err_caller() or lj_err_callermsg(). -** The recoverable cases return 0 or the number of results + 1. -** The assembler VM retries the fast path only if 0 is returned. -** This time the fallback must not be called again or it gets stuck in a loop. -*/ - -/* Return values from fallback handler. */ -#define FFH_RETRY 0 -#define FFH_UNREACHABLE FFH_RETRY -#define FFH_RES(n) ((n)+1) -#define FFH_TAILCALL (-1) - -LJ_FUNC TValue *lj_lib_checkany(lua_State *L, int narg); -LJ_FUNC GCstr *lj_lib_checkstr(lua_State *L, int narg); -LJ_FUNC GCstr *lj_lib_optstr(lua_State *L, int narg); -#if LJ_DUALNUM -LJ_FUNC void lj_lib_checknumber(lua_State *L, int narg); -#else -#define lj_lib_checknumber(L, narg) lj_lib_checknum((L), (narg)) -#endif -LJ_FUNC lua_Number lj_lib_checknum(lua_State *L, int narg); -LJ_FUNC int32_t lj_lib_checkint(lua_State *L, int narg); -LJ_FUNC int32_t lj_lib_optint(lua_State *L, int narg, int32_t def); -LJ_FUNC int32_t lj_lib_checkbit(lua_State *L, int narg); -LJ_FUNC GCfunc *lj_lib_checkfunc(lua_State *L, int narg); -LJ_FUNC GCtab *lj_lib_checktab(lua_State *L, int narg); -LJ_FUNC GCtab *lj_lib_checktabornil(lua_State *L, int narg); -LJ_FUNC int lj_lib_checkopt(lua_State *L, int narg, int def, const char *lst); - -/* Avoid including lj_frame.h. */ -#define lj_lib_upvalue(L, n) \ - (&gcref((L->base-1)->fr.func)->fn.c.upvalue[(n)-1]) - -#if LJ_TARGET_WINDOWS -#define lj_lib_checkfpu(L) \ - do { setnumV(L->top++, (lua_Number)1437217655); \ - if (lua_tointeger(L, -1) != 1437217655) lj_err_caller(L, LJ_ERR_BADFPU); \ - L->top--; } while (0) -#else -#define lj_lib_checkfpu(L) UNUSED(L) -#endif - -/* Push internal function on the stack. */ -static LJ_AINLINE void lj_lib_pushcc(lua_State *L, lua_CFunction f, - int id, int n) -{ - GCfunc *fn; - lua_pushcclosure(L, f, n); - fn = funcV(L->top-1); - fn->c.ffid = (uint8_t)id; - setmref(fn->c.pc, &G(L)->bc_cfunc_int); -} - -#define lj_lib_pushcf(L, fn, id) (lj_lib_pushcc(L, (fn), (id), 0)) - -/* Library function declarations. Scanned by buildvm. */ -#define LJLIB_CF(name) static int lj_cf_##name(lua_State *L) -#define LJLIB_ASM(name) static int lj_ffh_##name(lua_State *L) -#define LJLIB_ASM_(name) -#define LJLIB_SET(name) -#define LJLIB_PUSH(arg) -#define LJLIB_REC(handler) -#define LJLIB_NOREGUV -#define LJLIB_NOREG - -#define LJ_LIB_REG(L, regname, name) \ - lj_lib_register(L, regname, lj_lib_init_##name, lj_lib_cf_##name) - -LJ_FUNC void lj_lib_register(lua_State *L, const char *libname, - const uint8_t *init, const lua_CFunction *cf); - -/* Library init data tags. */ -#define LIBINIT_LENMASK 0x3f -#define LIBINIT_TAGMASK 0xc0 -#define LIBINIT_CF 0x00 -#define LIBINIT_ASM 0x40 -#define LIBINIT_ASM_ 0x80 -#define LIBINIT_STRING 0xc0 -#define LIBINIT_MAXSTR 0x39 -#define LIBINIT_SET 0xfa -#define LIBINIT_NUMBER 0xfb -#define LIBINIT_COPY 0xfc -#define LIBINIT_LASTCL 0xfd -#define LIBINIT_FFID 0xfe -#define LIBINIT_END 0xff - -/* Exported library functions. */ - -typedef struct RandomState RandomState; -LJ_FUNC uint64_t LJ_FASTCALL lj_math_random_step(RandomState *rs); - -#endif diff --git a/libraries/luajit-2.0/src/lj_mcode.c b/libraries/luajit-2.0/src/lj_mcode.c deleted file mode 100644 index 90ac34f..0000000 --- a/libraries/luajit-2.0/src/lj_mcode.c +++ /dev/null @@ -1,364 +0,0 @@ -/* -** Machine code management. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_mcode_c -#define LUA_CORE - -#include "lj_obj.h" -#if LJ_HASJIT -#include "lj_gc.h" -#include "lj_jit.h" -#include "lj_mcode.h" -#include "lj_trace.h" -#include "lj_dispatch.h" -#include "lj_vm.h" -#endif - -/* -- OS-specific functions ----------------------------------------------- */ - -#if LJ_HASJIT || LJ_HASFFI - -/* Define this if you want to run LuaJIT with Valgrind. */ -#ifdef LUAJIT_USE_VALGRIND -#include -#endif - -#if !LJ_TARGET_X86ORX64 && LJ_TARGET_OSX -void sys_icache_invalidate(void *start, size_t len); -#endif - -#if LJ_TARGET_LINUX && LJ_TARGET_PPC -#include -static void (*mcode_sync_ppc)(void *start, void *end); -static void mcode_sync_dummy(void *start, void *end) -{ - UNUSED(start); UNUSED(end); -} -#endif - -/* Synchronize data/instruction cache. */ -void lj_mcode_sync(void *start, void *end) -{ -#ifdef LUAJIT_USE_VALGRIND - VALGRIND_DISCARD_TRANSLATIONS(start, (char *)end-(char *)start); -#endif -#if LJ_TARGET_X86ORX64 - UNUSED(start); UNUSED(end); -#elif LJ_TARGET_OSX - sys_icache_invalidate(start, (char *)end-(char *)start); -#elif LJ_TARGET_LINUX && LJ_TARGET_PPC - if (!mcode_sync_ppc) { - void *vdso = dlopen("linux-vdso32.so.1", RTLD_LAZY); - if (!vdso || !(mcode_sync_ppc = dlsym(vdso, "__kernel_sync_dicache"))) - mcode_sync_ppc = mcode_sync_dummy; - } - mcode_sync_ppc(start, end); -#elif defined(__GNUC__) && !LJ_TARGET_PPC - __clear_cache(start, end); -#else -#error "Missing builtin to flush instruction cache" -#endif -} - -#endif - -#if LJ_HASJIT - -#if LJ_TARGET_WINDOWS - -#define WIN32_LEAN_AND_MEAN -#include - -#define MCPROT_RW PAGE_READWRITE -#define MCPROT_RX PAGE_EXECUTE_READ -#define MCPROT_RWX PAGE_EXECUTE_READWRITE - -static void *mcode_alloc_at(jit_State *J, uintptr_t hint, size_t sz, DWORD prot) -{ - void *p = VirtualAlloc((void *)hint, sz, - MEM_RESERVE|MEM_COMMIT|MEM_TOP_DOWN, prot); - if (!p && !hint) - lj_trace_err(J, LJ_TRERR_MCODEAL); - return p; -} - -static void mcode_free(jit_State *J, void *p, size_t sz) -{ - UNUSED(J); UNUSED(sz); - VirtualFree(p, 0, MEM_RELEASE); -} - -static void mcode_setprot(void *p, size_t sz, DWORD prot) -{ - DWORD oprot; - VirtualProtect(p, sz, prot, &oprot); -} - -#elif LJ_TARGET_POSIX - -#include - -#ifndef MAP_ANONYMOUS -#define MAP_ANONYMOUS MAP_ANON -#endif - -#define MCPROT_RW (PROT_READ|PROT_WRITE) -#define MCPROT_RX (PROT_READ|PROT_EXEC) -#define MCPROT_RWX (PROT_READ|PROT_WRITE|PROT_EXEC) - -static void *mcode_alloc_at(jit_State *J, uintptr_t hint, size_t sz, int prot) -{ - void *p = mmap((void *)hint, sz, prot, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); - if (p == MAP_FAILED && !hint) - lj_trace_err(J, LJ_TRERR_MCODEAL); - return p; -} - -static void mcode_free(jit_State *J, void *p, size_t sz) -{ - UNUSED(J); - munmap(p, sz); -} - -static void mcode_setprot(void *p, size_t sz, int prot) -{ - mprotect(p, sz, prot); -} - -#elif LJ_64 - -#error "Missing OS support for explicit placement of executable memory" - -#else - -/* Fallback allocator. This will fail if memory is not executable by default. */ -#define LUAJIT_UNPROTECT_MCODE -#define MCPROT_RW 0 -#define MCPROT_RX 0 -#define MCPROT_RWX 0 - -static void *mcode_alloc_at(jit_State *J, uintptr_t hint, size_t sz, int prot) -{ - UNUSED(hint); UNUSED(prot); - return lj_mem_new(J->L, sz); -} - -static void mcode_free(jit_State *J, void *p, size_t sz) -{ - lj_mem_free(J2G(J), p, sz); -} - -#define mcode_setprot(p, sz, prot) UNUSED(p) - -#endif - -/* -- MCode area protection ----------------------------------------------- */ - -/* Define this ONLY if the page protection twiddling becomes a bottleneck. */ -#ifdef LUAJIT_UNPROTECT_MCODE - -/* It's generally considered to be a potential security risk to have -** pages with simultaneous write *and* execute access in a process. -** -** Do not even think about using this mode for server processes or -** apps handling untrusted external data (such as a browser). -** -** The security risk is not in LuaJIT itself -- but if an adversary finds -** any *other* flaw in your C application logic, then any RWX memory page -** simplifies writing an exploit considerably. -*/ -#define MCPROT_GEN MCPROT_RWX -#define MCPROT_RUN MCPROT_RWX - -static void mcode_protect(jit_State *J, int prot) -{ - UNUSED(J); UNUSED(prot); -} - -#else - -/* This is the default behaviour and much safer: -** -** Most of the time the memory pages holding machine code are executable, -** but NONE of them is writable. -** -** The current memory area is marked read-write (but NOT executable) only -** during the short time window while the assembler generates machine code. -*/ -#define MCPROT_GEN MCPROT_RW -#define MCPROT_RUN MCPROT_RX - -/* Change protection of MCode area. */ -static void mcode_protect(jit_State *J, int prot) -{ - if (J->mcprot != prot) { - mcode_setprot(J->mcarea, J->szmcarea, prot); - J->mcprot = prot; - } -} - -#endif - -/* -- MCode area allocation ----------------------------------------------- */ - -#if LJ_TARGET_X64 -#define mcode_validptr(p) ((p) && (uintptr_t)(p) < (uintptr_t)1<<47) -#else -#define mcode_validptr(p) ((p) && (uintptr_t)(p) < 0xffff0000) -#endif - -#ifdef LJ_TARGET_JUMPRANGE - -/* Get memory within relative jump distance of our code in 64 bit mode. */ -static void *mcode_alloc(jit_State *J, size_t sz) -{ - /* Target an address in the static assembler code (64K aligned). - ** Try addresses within a distance of target-range/2+1MB..target+range/2-1MB. - */ - uintptr_t target = (uintptr_t)(void *)lj_vm_exit_handler & ~(uintptr_t)0xffff; - const uintptr_t range = (1u << LJ_TARGET_JUMPRANGE) - (1u << 21); - /* First try a contiguous area below the last one. */ - uintptr_t hint = J->mcarea ? (uintptr_t)J->mcarea - sz : 0; - int i; - for (i = 0; i < 32; i++) { /* 32 attempts ought to be enough ... */ - if (mcode_validptr(hint)) { - void *p = mcode_alloc_at(J, hint, sz, MCPROT_GEN); - - if (mcode_validptr(p)) { - if ((uintptr_t)p + sz - target < range || target - (uintptr_t)p < range) - return p; - mcode_free(J, p, sz); /* Free badly placed area. */ - } - } - /* Next try probing pseudo-random addresses. */ - do { - hint = (0x78fb ^ LJ_PRNG_BITS(J, 15)) << 16; /* 64K aligned. */ - } while (!(hint + sz < range)); - hint = target + hint - (range>>1); - } - lj_trace_err(J, LJ_TRERR_MCODEAL); /* Give up. OS probably ignores hints? */ - return NULL; -} - -#else - -/* All memory addresses are reachable by relative jumps. */ -#define mcode_alloc(J, sz) mcode_alloc_at((J), 0, (sz), MCPROT_GEN) - -#endif - -/* -- MCode area management ----------------------------------------------- */ - -/* Linked list of MCode areas. */ -typedef struct MCLink { - MCode *next; /* Next area. */ - size_t size; /* Size of current area. */ -} MCLink; - -/* Allocate a new MCode area. */ -static void mcode_allocarea(jit_State *J) -{ - MCode *oldarea = J->mcarea; - size_t sz = (size_t)J->param[JIT_P_sizemcode] << 10; - sz = (sz + LJ_PAGESIZE-1) & ~(size_t)(LJ_PAGESIZE - 1); - J->mcarea = (MCode *)mcode_alloc(J, sz); - J->szmcarea = sz; - J->mcprot = MCPROT_GEN; - J->mctop = (MCode *)((char *)J->mcarea + J->szmcarea); - J->mcbot = (MCode *)((char *)J->mcarea + sizeof(MCLink)); - ((MCLink *)J->mcarea)->next = oldarea; - ((MCLink *)J->mcarea)->size = sz; - J->szallmcarea += sz; -} - -/* Free all MCode areas. */ -void lj_mcode_free(jit_State *J) -{ - MCode *mc = J->mcarea; - J->mcarea = NULL; - J->szallmcarea = 0; - while (mc) { - MCode *next = ((MCLink *)mc)->next; - mcode_free(J, mc, ((MCLink *)mc)->size); - mc = next; - } -} - -/* -- MCode transactions -------------------------------------------------- */ - -/* Reserve the remainder of the current MCode area. */ -MCode *lj_mcode_reserve(jit_State *J, MCode **lim) -{ - if (!J->mcarea) - mcode_allocarea(J); - else - mcode_protect(J, MCPROT_GEN); - *lim = J->mcbot; - return J->mctop; -} - -/* Commit the top part of the current MCode area. */ -void lj_mcode_commit(jit_State *J, MCode *top) -{ - J->mctop = top; - mcode_protect(J, MCPROT_RUN); -} - -/* Abort the reservation. */ -void lj_mcode_abort(jit_State *J) -{ - mcode_protect(J, MCPROT_RUN); -} - -/* Set/reset protection to allow patching of MCode areas. */ -MCode *lj_mcode_patch(jit_State *J, MCode *ptr, int finish) -{ -#ifdef LUAJIT_UNPROTECT_MCODE - UNUSED(J); UNUSED(ptr); UNUSED(finish); - return NULL; -#else - if (finish) { - if (J->mcarea == ptr) - mcode_protect(J, MCPROT_RUN); - else - mcode_setprot(ptr, ((MCLink *)ptr)->size, MCPROT_RUN); - return NULL; - } else { - MCode *mc = J->mcarea; - /* Try current area first to use the protection cache. */ - if (ptr >= mc && ptr < (MCode *)((char *)mc + J->szmcarea)) { - mcode_protect(J, MCPROT_GEN); - return mc; - } - /* Otherwise search through the list of MCode areas. */ - for (;;) { - mc = ((MCLink *)mc)->next; - lua_assert(mc != NULL); - if (ptr >= mc && ptr < (MCode *)((char *)mc + ((MCLink *)mc)->size)) { - mcode_setprot(mc, ((MCLink *)mc)->size, MCPROT_GEN); - return mc; - } - } - } -#endif -} - -/* Limit of MCode reservation reached. */ -void lj_mcode_limiterr(jit_State *J, size_t need) -{ - size_t sizemcode, maxmcode; - lj_mcode_abort(J); - sizemcode = (size_t)J->param[JIT_P_sizemcode] << 10; - sizemcode = (sizemcode + LJ_PAGESIZE-1) & ~(size_t)(LJ_PAGESIZE - 1); - maxmcode = (size_t)J->param[JIT_P_maxmcode] << 10; - if ((size_t)need > sizemcode) - lj_trace_err(J, LJ_TRERR_MCODEOV); /* Too long for any area. */ - if (J->szallmcarea + sizemcode > maxmcode) - lj_trace_err(J, LJ_TRERR_MCODEAL); - mcode_allocarea(J); - lj_trace_err(J, LJ_TRERR_MCODELM); /* Retry with new area. */ -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_mcode.h b/libraries/luajit-2.0/src/lj_mcode.h deleted file mode 100644 index d11b668..0000000 --- a/libraries/luajit-2.0/src/lj_mcode.h +++ /dev/null @@ -1,30 +0,0 @@ -/* -** Machine code management. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_MCODE_H -#define _LJ_MCODE_H - -#include "lj_obj.h" - -#if LJ_HASJIT || LJ_HASFFI -LJ_FUNC void lj_mcode_sync(void *start, void *end); -#endif - -#if LJ_HASJIT - -#include "lj_jit.h" - -LJ_FUNC void lj_mcode_free(jit_State *J); -LJ_FUNC MCode *lj_mcode_reserve(jit_State *J, MCode **lim); -LJ_FUNC void lj_mcode_commit(jit_State *J, MCode *m); -LJ_FUNC void lj_mcode_abort(jit_State *J); -LJ_FUNC MCode *lj_mcode_patch(jit_State *J, MCode *ptr, int finish); -LJ_FUNC_NORET void lj_mcode_limiterr(jit_State *J, size_t need); - -#define lj_mcode_commitbot(J, m) (J->mcbot = (m)) - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_meta.c b/libraries/luajit-2.0/src/lj_meta.c deleted file mode 100644 index f258e3e..0000000 --- a/libraries/luajit-2.0/src/lj_meta.c +++ /dev/null @@ -1,463 +0,0 @@ -/* -** Metamethod handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#define lj_meta_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_meta.h" -#include "lj_frame.h" -#include "lj_bc.h" -#include "lj_vm.h" - -/* -- Metamethod handling ------------------------------------------------- */ - -/* String interning of metamethod names for fast indexing. */ -void lj_meta_init(lua_State *L) -{ -#define MMNAME(name) "__" #name - const char *metanames = MMDEF(MMNAME); -#undef MMNAME - global_State *g = G(L); - const char *p, *q; - uint32_t mm; - for (mm = 0, p = metanames; *p; mm++, p = q) { - GCstr *s; - for (q = p+2; *q && *q != '_'; q++) ; - s = lj_str_new(L, p, (size_t)(q-p)); - /* NOBARRIER: g->gcroot[] is a GC root. */ - setgcref(g->gcroot[GCROOT_MMNAME+mm], obj2gco(s)); - } -} - -/* Negative caching of a few fast metamethods. See the lj_meta_fast() macro. */ -cTValue *lj_meta_cache(GCtab *mt, MMS mm, GCstr *name) -{ - cTValue *mo = lj_tab_getstr(mt, name); - lua_assert(mm <= MM_FAST); - if (!mo || tvisnil(mo)) { /* No metamethod? */ - mt->nomm |= (uint8_t)(1u<metatable); - else if (tvisudata(o)) - mt = tabref(udataV(o)->metatable); - else - mt = tabref(basemt_obj(G(L), o)); - if (mt) { - cTValue *mo = lj_tab_getstr(mt, mmname_str(G(L), mm)); - if (mo) - return mo; - } - return niltv(L); -} - -#if LJ_HASFFI -/* Tailcall from C function. */ -int lj_meta_tailcall(lua_State *L, cTValue *tv) -{ - TValue *base = L->base; - TValue *top = L->top; - const BCIns *pc = frame_pc(base-1); /* Preserve old PC from frame. */ - copyTV(L, base-1, tv); /* Replace frame with new object. */ - top->u32.lo = LJ_CONT_TAILCALL; - setframe_pc(top, pc); - setframe_gc(top+1, obj2gco(L)); /* Dummy frame object. */ - setframe_ftsz(top+1, (int)((char *)(top+2) - (char *)base) + FRAME_CONT); - L->base = L->top = top+2; - /* - ** before: [old_mo|PC] [... ...] - ** ^base ^top - ** after: [new_mo|itype] [... ...] [NULL|PC] [dummy|delta] - ** ^base/top - ** tailcall: [new_mo|PC] [... ...] - ** ^base ^top - */ - return 0; -} -#endif - -/* Setup call to metamethod to be run by Assembler VM. */ -static TValue *mmcall(lua_State *L, ASMFunction cont, cTValue *mo, - cTValue *a, cTValue *b) -{ - /* - ** |-- framesize -> top top+1 top+2 top+3 - ** before: [func slots ...] - ** mm setup: [func slots ...] [cont|?] [mo|tmtype] [a] [b] - ** in asm: [func slots ...] [cont|PC] [mo|delta] [a] [b] - ** ^-- func base ^-- mm base - ** after mm: [func slots ...] [result] - ** ^-- copy to base[PC_RA] --/ for lj_cont_ra - ** istruecond + branch for lj_cont_cond* - ** ignore for lj_cont_nop - ** next PC: [func slots ...] - */ - TValue *top = L->top; - if (curr_funcisL(L)) top = curr_topL(L); - setcont(top, cont); /* Assembler VM stores PC in upper word. */ - copyTV(L, top+1, mo); /* Store metamethod and two arguments. */ - copyTV(L, top+2, a); - copyTV(L, top+3, b); - return top+2; /* Return new base. */ -} - -/* -- C helpers for some instructions, called from assembler VM ----------- */ - -/* Helper for TGET*. __index chain and metamethod. */ -cTValue *lj_meta_tget(lua_State *L, cTValue *o, cTValue *k) -{ - int loop; - for (loop = 0; loop < LJ_MAX_IDXCHAIN; loop++) { - cTValue *mo; - if (LJ_LIKELY(tvistab(o))) { - GCtab *t = tabV(o); - cTValue *tv = lj_tab_get(L, t, k); - if (!tvisnil(tv) || - !(mo = lj_meta_fast(L, tabref(t->metatable), MM_index))) - return tv; - } else if (tvisnil(mo = lj_meta_lookup(L, o, MM_index))) { - lj_err_optype(L, o, LJ_ERR_OPINDEX); - return NULL; /* unreachable */ - } - if (tvisfunc(mo)) { - L->top = mmcall(L, lj_cont_ra, mo, o, k); - return NULL; /* Trigger metamethod call. */ - } - o = mo; - } - lj_err_msg(L, LJ_ERR_GETLOOP); - return NULL; /* unreachable */ -} - -/* Helper for TSET*. __newindex chain and metamethod. */ -TValue *lj_meta_tset(lua_State *L, cTValue *o, cTValue *k) -{ - TValue tmp; - int loop; - for (loop = 0; loop < LJ_MAX_IDXCHAIN; loop++) { - cTValue *mo; - if (LJ_LIKELY(tvistab(o))) { - GCtab *t = tabV(o); - cTValue *tv = lj_tab_get(L, t, k); - if (LJ_LIKELY(!tvisnil(tv))) { - t->nomm = 0; /* Invalidate negative metamethod cache. */ - lj_gc_anybarriert(L, t); - return (TValue *)tv; - } else if (!(mo = lj_meta_fast(L, tabref(t->metatable), MM_newindex))) { - t->nomm = 0; /* Invalidate negative metamethod cache. */ - lj_gc_anybarriert(L, t); - if (tv != niltv(L)) - return (TValue *)tv; - if (tvisnil(k)) lj_err_msg(L, LJ_ERR_NILIDX); - else if (tvisint(k)) { setnumV(&tmp, (lua_Number)intV(k)); k = &tmp; } - else if (tvisnum(k) && tvisnan(k)) lj_err_msg(L, LJ_ERR_NANIDX); - return lj_tab_newkey(L, t, k); - } - } else if (tvisnil(mo = lj_meta_lookup(L, o, MM_newindex))) { - lj_err_optype(L, o, LJ_ERR_OPINDEX); - return NULL; /* unreachable */ - } - if (tvisfunc(mo)) { - L->top = mmcall(L, lj_cont_nop, mo, o, k); - /* L->top+2 = v filled in by caller. */ - return NULL; /* Trigger metamethod call. */ - } - copyTV(L, &tmp, mo); - o = &tmp; - } - lj_err_msg(L, LJ_ERR_SETLOOP); - return NULL; /* unreachable */ -} - -static cTValue *str2num(cTValue *o, TValue *n) -{ - if (tvisnum(o)) - return o; - else if (tvisint(o)) - return (setnumV(n, (lua_Number)intV(o)), n); - else if (tvisstr(o) && lj_str_tonum(strV(o), n)) - return n; - else - return NULL; -} - -/* Helper for arithmetic instructions. Coercion, metamethod. */ -TValue *lj_meta_arith(lua_State *L, TValue *ra, cTValue *rb, cTValue *rc, - BCReg op) -{ - MMS mm = bcmode_mm(op); - TValue tempb, tempc; - cTValue *b, *c; - if ((b = str2num(rb, &tempb)) != NULL && - (c = str2num(rc, &tempc)) != NULL) { /* Try coercion first. */ - setnumV(ra, lj_vm_foldarith(numV(b), numV(c), (int)mm-MM_add)); - return NULL; - } else { - cTValue *mo = lj_meta_lookup(L, rb, mm); - if (tvisnil(mo)) { - mo = lj_meta_lookup(L, rc, mm); - if (tvisnil(mo)) { - if (str2num(rb, &tempb) == NULL) rc = rb; - lj_err_optype(L, rc, LJ_ERR_OPARITH); - return NULL; /* unreachable */ - } - } - return mmcall(L, lj_cont_ra, mo, rb, rc); - } -} - -/* In-place coercion of a number to a string. */ -static LJ_AINLINE int tostring(lua_State *L, TValue *o) -{ - if (tvisstr(o)) { - return 1; - } else if (tvisnumber(o)) { - setstrV(L, o, lj_str_fromnumber(L, o)); - return 1; - } else { - return 0; - } -} - -/* Helper for CAT. Coercion, iterative concat, __concat metamethod. */ -TValue *lj_meta_cat(lua_State *L, TValue *top, int left) -{ - do { - int n = 1; - if (!(tvisstr(top-1) || tvisnumber(top-1)) || !tostring(L, top)) { - cTValue *mo = lj_meta_lookup(L, top-1, MM_concat); - if (tvisnil(mo)) { - mo = lj_meta_lookup(L, top, MM_concat); - if (tvisnil(mo)) { - if (tvisstr(top-1) || tvisnumber(top-1)) top++; - lj_err_optype(L, top-1, LJ_ERR_OPCAT); - return NULL; /* unreachable */ - } - } - /* One of the top two elements is not a string, call __cat metamethod: - ** - ** before: [...][CAT stack .........................] - ** top-1 top top+1 top+2 - ** pick two: [...][CAT stack ...] [o1] [o2] - ** setup mm: [...][CAT stack ...] [cont|?] [mo|tmtype] [o1] [o2] - ** in asm: [...][CAT stack ...] [cont|PC] [mo|delta] [o1] [o2] - ** ^-- func base ^-- mm base - ** after mm: [...][CAT stack ...] <--push-- [result] - ** next step: [...][CAT stack .............] - */ - copyTV(L, top+2, top); /* Careful with the order of stack copies! */ - copyTV(L, top+1, top-1); - copyTV(L, top, mo); - setcont(top-1, lj_cont_cat); - return top+1; /* Trigger metamethod call. */ - } else if (strV(top)->len == 0) { /* Shortcut. */ - (void)tostring(L, top-1); - } else { - /* Pick as many strings as possible from the top and concatenate them: - ** - ** before: [...][CAT stack ...........................] - ** pick str: [...][CAT stack ...] [...... strings ......] - ** concat: [...][CAT stack ...] [result] - ** next step: [...][CAT stack ............] - */ - MSize tlen = strV(top)->len; - char *buffer; - int i; - for (n = 1; n <= left && tostring(L, top-n); n++) { - MSize len = strV(top-n)->len; - if (len >= LJ_MAX_STR - tlen) - lj_err_msg(L, LJ_ERR_STROV); - tlen += len; - } - buffer = lj_str_needbuf(L, &G(L)->tmpbuf, tlen); - n--; - tlen = 0; - for (i = n; i >= 0; i--) { - MSize len = strV(top-i)->len; - memcpy(buffer + tlen, strVdata(top-i), len); - tlen += len; - } - setstrV(L, top-n, lj_str_new(L, buffer, tlen)); - } - left -= n; - top -= n; - } while (left >= 1); - lj_gc_check_fixtop(L); - return NULL; -} - -/* Helper for LEN. __len metamethod. */ -TValue * LJ_FASTCALL lj_meta_len(lua_State *L, cTValue *o) -{ - cTValue *mo = lj_meta_lookup(L, o, MM_len); - if (tvisnil(mo)) { -#ifdef LUAJIT_ENABLE_LUA52COMPAT - if (tvistab(o)) - tabref(tabV(o)->metatable)->nomm |= (uint8_t)(1u<gch.metatable), MM_eq); - if (mo) { - TValue *top; - uint32_t it; - if (tabref(o1->gch.metatable) != tabref(o2->gch.metatable)) { - cTValue *mo2 = lj_meta_fast(L, tabref(o2->gch.metatable), MM_eq); - if (mo2 == NULL || !lj_obj_equal(mo, mo2)) - return (TValue *)(intptr_t)ne; - } - top = curr_top(L); - setcont(top, ne ? lj_cont_condf : lj_cont_condt); - copyTV(L, top+1, mo); - it = ~(uint32_t)o1->gch.gct; - setgcV(L, top+2, o1, it); - setgcV(L, top+3, o2, it); - return top+2; /* Trigger metamethod call. */ - } - return (TValue *)(intptr_t)ne; -} - -#if LJ_HASFFI -TValue * LJ_FASTCALL lj_meta_equal_cd(lua_State *L, BCIns ins) -{ - ASMFunction cont = (bc_op(ins) & 1) ? lj_cont_condf : lj_cont_condt; - int op = (int)bc_op(ins) & ~1; - TValue tv; - cTValue *mo, *o2, *o1 = &L->base[bc_a(ins)]; - cTValue *o1mm = o1; - if (op == BC_ISEQV) { - o2 = &L->base[bc_d(ins)]; - if (!tviscdata(o1mm)) o1mm = o2; - } else if (op == BC_ISEQS) { - setstrV(L, &tv, gco2str(proto_kgc(curr_proto(L), ~(ptrdiff_t)bc_d(ins)))); - o2 = &tv; - } else if (op == BC_ISEQN) { - o2 = &mref(curr_proto(L)->k, cTValue)[bc_d(ins)]; - } else { - lua_assert(op == BC_ISEQP); - setitype(&tv, ~bc_d(ins)); - o2 = &tv; - } - mo = lj_meta_lookup(L, o1mm, MM_eq); - if (LJ_LIKELY(!tvisnil(mo))) - return mmcall(L, cont, mo, o1, o2); - else - return (TValue *)(intptr_t)(bc_op(ins) & 1); -} -#endif - -/* Helper for ordered comparisons. String compare, __lt/__le metamethods. */ -TValue *lj_meta_comp(lua_State *L, cTValue *o1, cTValue *o2, int op) -{ - if (LJ_HASFFI && (tviscdata(o1) || tviscdata(o2))) { - ASMFunction cont = (op & 1) ? lj_cont_condf : lj_cont_condt; - MMS mm = (op & 2) ? MM_le : MM_lt; - cTValue *mo = lj_meta_lookup(L, tviscdata(o1) ? o1 : o2, mm); - if (LJ_UNLIKELY(tvisnil(mo))) goto err; - return mmcall(L, cont, mo, o1, o2); - } else if (itype(o1) == itype(o2)) { /* Never called with two numbers. */ - if (tvisstr(o1) && tvisstr(o2)) { - int32_t res = lj_str_cmp(strV(o1), strV(o2)); - return (TValue *)(intptr_t)(((op&2) ? res <= 0 : res < 0) ^ (op&1)); - } else { - trymt: - while (1) { - ASMFunction cont = (op & 1) ? lj_cont_condf : lj_cont_condt; - MMS mm = (op & 2) ? MM_le : MM_lt; - cTValue *mo = lj_meta_lookup(L, o1, mm); - cTValue *mo2 = lj_meta_lookup(L, o2, mm); - if (tvisnil(mo) || !lj_obj_equal(mo, mo2)) { - if (op & 2) { /* MM_le not found: retry with MM_lt. */ - cTValue *ot = o1; o1 = o2; o2 = ot; /* Swap operands. */ - op ^= 3; /* Use LT and flip condition. */ - continue; - } - goto err; - } - return mmcall(L, cont, mo, o1, o2); - } - } - } else if (tvisbool(o1) && tvisbool(o2)) { - goto trymt; - } else { - err: - lj_err_comp(L, o1, o2); - return NULL; - } -} - -/* Helper for calls. __call metamethod. */ -void lj_meta_call(lua_State *L, TValue *func, TValue *top) -{ - cTValue *mo = lj_meta_lookup(L, func, MM_call); - TValue *p; - if (!tvisfunc(mo)) - lj_err_optype_call(L, func); - for (p = top; p > func; p--) copyTV(L, p, p-1); - copyTV(L, func, mo); -} - -/* Helper for FORI. Coercion. */ -void LJ_FASTCALL lj_meta_for(lua_State *L, TValue *o) -{ - if (!(tvisnumber(o) || (tvisstr(o) && lj_str_tonumber(strV(o), o)))) - lj_err_msg(L, LJ_ERR_FORINIT); - if (!(tvisnumber(o+1) || (tvisstr(o+1) && lj_str_tonumber(strV(o+1), o+1)))) - lj_err_msg(L, LJ_ERR_FORLIM); - if (!(tvisnumber(o+2) || (tvisstr(o+2) && lj_str_tonumber(strV(o+2), o+2)))) - lj_err_msg(L, LJ_ERR_FORSTEP); - if (LJ_DUALNUM) { - /* Ensure all slots are integers or all slots are numbers. */ - int32_t k[3]; - int nint = 0; - ptrdiff_t i; - for (i = 0; i <= 2; i++) { - if (tvisint(o+i)) { - k[i] = intV(o+i); nint++; - } else { - k[i] = lj_num2int(numV(o+i)); nint += ((lua_Number)k[i] == numV(o+i)); - } - } - if (nint == 3) { /* Narrow to integers. */ - setintV(o, k[0]); - setintV(o+1, k[1]); - setintV(o+2, k[2]); - } else if (nint != 0) { /* Widen to numbers. */ - if (tvisint(o)) setnumV(o, (lua_Number)intV(o)); - if (tvisint(o+1)) setnumV(o+1, (lua_Number)intV(o+1)); - if (tvisint(o+2)) setnumV(o+2, (lua_Number)intV(o+2)); - } - } -} - diff --git a/libraries/luajit-2.0/src/lj_meta.h b/libraries/luajit-2.0/src/lj_meta.h deleted file mode 100644 index 3fec5b2..0000000 --- a/libraries/luajit-2.0/src/lj_meta.h +++ /dev/null @@ -1,37 +0,0 @@ -/* -** Metamethod handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_META_H -#define _LJ_META_H - -#include "lj_obj.h" - -/* Metamethod handling */ -LJ_FUNC void lj_meta_init(lua_State *L); -LJ_FUNC cTValue *lj_meta_cache(GCtab *mt, MMS mm, GCstr *name); -LJ_FUNC cTValue *lj_meta_lookup(lua_State *L, cTValue *o, MMS mm); -#if LJ_HASFFI -LJ_FUNC int lj_meta_tailcall(lua_State *L, cTValue *tv); -#endif - -#define lj_meta_fastg(g, mt, mm) \ - ((mt) == NULL ? NULL : ((mt)->nomm & (1u<<(mm))) ? NULL : \ - lj_meta_cache(mt, mm, mmname_str(g, mm))) -#define lj_meta_fast(L, mt, mm) lj_meta_fastg(G(L), mt, mm) - -/* C helpers for some instructions, called from assembler VM. */ -LJ_FUNCA cTValue *lj_meta_tget(lua_State *L, cTValue *o, cTValue *k); -LJ_FUNCA TValue *lj_meta_tset(lua_State *L, cTValue *o, cTValue *k); -LJ_FUNCA TValue *lj_meta_arith(lua_State *L, TValue *ra, cTValue *rb, - cTValue *rc, BCReg op); -LJ_FUNCA TValue *lj_meta_cat(lua_State *L, TValue *top, int left); -LJ_FUNCA TValue * LJ_FASTCALL lj_meta_len(lua_State *L, cTValue *o); -LJ_FUNCA TValue *lj_meta_equal(lua_State *L, GCobj *o1, GCobj *o2, int ne); -LJ_FUNCA TValue * LJ_FASTCALL lj_meta_equal_cd(lua_State *L, BCIns ins); -LJ_FUNCA TValue *lj_meta_comp(lua_State *L, cTValue *o1, cTValue *o2, int op); -LJ_FUNCA void lj_meta_call(lua_State *L, TValue *func, TValue *top); -LJ_FUNCA void LJ_FASTCALL lj_meta_for(lua_State *L, TValue *o); - -#endif diff --git a/libraries/luajit-2.0/src/lj_obj.c b/libraries/luajit-2.0/src/lj_obj.c deleted file mode 100644 index 1476f0b..0000000 --- a/libraries/luajit-2.0/src/lj_obj.c +++ /dev/null @@ -1,35 +0,0 @@ -/* -** Miscellaneous object handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_obj_c -#define LUA_CORE - -#include "lj_obj.h" - -/* Object type names. */ -LJ_DATADEF const char *const lj_obj_typename[] = { /* ORDER LUA_T */ - "no value", "nil", "boolean", "userdata", "number", "string", - "table", "function", "userdata", "thread", "proto", "cdata" -}; - -LJ_DATADEF const char *const lj_obj_itypename[] = { /* ORDER LJ_T */ - "nil", "boolean", "boolean", "userdata", "string", "upval", "thread", - "proto", "function", "trace", "cdata", "table", "userdata", "number" -}; - -/* Compare two objects without calling metamethods. */ -int lj_obj_equal(cTValue *o1, cTValue *o2) -{ - if (itype(o1) == itype(o2)) { - if (tvispri(o1)) - return 1; - if (!tvisnum(o1)) - return gcrefeq(o1->gcr, o2->gcr); - } else if (!tvisnumber(o1) || !tvisnumber(o2)) { - return 0; - } - return numberVnum(o1) == numberVnum(o2); -} - diff --git a/libraries/luajit-2.0/src/lj_obj.h b/libraries/luajit-2.0/src/lj_obj.h deleted file mode 100644 index 4a360df..0000000 --- a/libraries/luajit-2.0/src/lj_obj.h +++ /dev/null @@ -1,844 +0,0 @@ -/* -** LuaJIT VM tags, values and objects. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#ifndef _LJ_OBJ_H -#define _LJ_OBJ_H - -#include "lua.h" -#include "lj_def.h" -#include "lj_arch.h" - -/* -- Memory references (32 bit address space) ---------------------------- */ - -/* Memory size. */ -typedef uint32_t MSize; - -/* Memory reference */ -typedef struct MRef { - uint32_t ptr32; /* Pseudo 32 bit pointer. */ -} MRef; - -#define mref(r, t) ((t *)(void *)(uintptr_t)(r).ptr32) - -#define setmref(r, p) ((r).ptr32 = (uint32_t)(uintptr_t)(void *)(p)) -#define setmrefr(r, v) ((r).ptr32 = (v).ptr32) - -/* -- GC object references (32 bit address space) ------------------------- */ - -/* GCobj reference */ -typedef struct GCRef { - uint32_t gcptr32; /* Pseudo 32 bit pointer. */ -} GCRef; - -/* Common GC header for all collectable objects. */ -#define GCHeader GCRef nextgc; uint8_t marked; uint8_t gct -/* This occupies 6 bytes, so use the next 2 bytes for non-32 bit fields. */ - -#define gcref(r) ((GCobj *)(uintptr_t)(r).gcptr32) -#define gcrefp(r, t) ((t *)(void *)(uintptr_t)(r).gcptr32) -#define gcrefu(r) ((r).gcptr32) -#define gcrefi(r) ((int32_t)(r).gcptr32) -#define gcrefeq(r1, r2) ((r1).gcptr32 == (r2).gcptr32) -#define gcnext(gc) (gcref((gc)->gch.nextgc)) - -#define setgcref(r, gc) ((r).gcptr32 = (uint32_t)(uintptr_t)&(gc)->gch) -#define setgcrefi(r, i) ((r).gcptr32 = (uint32_t)(i)) -#define setgcrefp(r, p) ((r).gcptr32 = (uint32_t)(uintptr_t)(p)) -#define setgcrefnull(r) ((r).gcptr32 = 0) -#define setgcrefr(r, v) ((r).gcptr32 = (v).gcptr32) - -/* IMPORTANT NOTE: -** -** All uses of the setgcref* macros MUST be accompanied with a write barrier. -** -** This is to ensure the integrity of the incremental GC. The invariant -** to preserve is that a black object never points to a white object. -** I.e. never store a white object into a field of a black object. -** -** It's ok to LEAVE OUT the write barrier ONLY in the following cases: -** - The source is not a GC object (NULL). -** - The target is a GC root. I.e. everything in global_State. -** - The target is a lua_State field (threads are never black). -** - The target is a stack slot, see setgcV et al. -** - The target is an open upvalue, i.e. pointing to a stack slot. -** - The target is a newly created object (i.e. marked white). But make -** sure nothing invokes the GC inbetween. -** - The target and the source are the same object (self-reference). -** - The target already contains the object (e.g. moving elements around). -** -** The most common case is a store to a stack slot. All other cases where -** a barrier has been omitted are annotated with a NOBARRIER comment. -** -** The same logic applies for stores to table slots (array part or hash -** part). ALL uses of lj_tab_set* require a barrier for the stored value -** *and* the stored key, based on the above rules. In practice this means -** a barrier is needed if *either* of the key or value are a GC object. -** -** It's ok to LEAVE OUT the write barrier in the following special cases: -** - The stored value is nil. The key doesn't matter because it's either -** not resurrected or lj_tab_newkey() will take care of the key barrier. -** - The key doesn't matter if the *previously* stored value is guaranteed -** to be non-nil (because the key is kept alive in the table). -** - The key doesn't matter if it's guaranteed not to be part of the table, -** since lj_tab_newkey() takes care of the key barrier. This applies -** trivially to new tables, but watch out for resurrected keys. Storing -** a nil value leaves the key in the table! -** -** In case of doubt use lj_gc_anybarriert() as it's rather cheap. It's used -** by the interpreter for all table stores. -** -** Note: In contrast to Lua's GC, LuaJIT's GC does *not* specially mark -** dead keys in tables. The reference is left in, but it's guaranteed to -** be never dereferenced as long as the value is nil. It's ok if the key is -** freed or if any object subsequently gets the same address. -** -** Not destroying dead keys helps to keep key hash slots stable. This avoids -** specialization back-off for HREFK when a value flips between nil and -** non-nil and the GC gets in the way. It also allows safely hoisting -** HREF/HREFK across GC steps. Dead keys are only removed if a table is -** resized (i.e. by NEWREF) and xREF must not be CSEd across a resize. -** -** The trade-off is that a write barrier for tables must take the key into -** account, too. Implicitly resurrecting the key by storing a non-nil value -** may invalidate the incremental GC invariant. -*/ - -/* -- Common type definitions --------------------------------------------- */ - -/* Types for handling bytecodes. Need this here, details in lj_bc.h. */ -typedef uint32_t BCIns; /* Bytecode instruction. */ -typedef uint32_t BCPos; /* Bytecode position. */ -typedef uint32_t BCReg; /* Bytecode register. */ -typedef int32_t BCLine; /* Bytecode line number. */ - -/* Internal assembler functions. Never call these directly from C. */ -typedef void (*ASMFunction)(void); - -/* Resizable string buffer. Need this here, details in lj_str.h. */ -typedef struct SBuf { - char *buf; /* String buffer base. */ - MSize n; /* String buffer length. */ - MSize sz; /* String buffer size. */ -} SBuf; - -/* -- Tags and values ----------------------------------------------------- */ - -/* Frame link. */ -typedef union { - int32_t ftsz; /* Frame type and size of previous frame. */ - MRef pcr; /* Overlaps PC for Lua frames. */ -} FrameLink; - -/* Tagged value. */ -typedef LJ_ALIGN(8) union TValue { - uint64_t u64; /* 64 bit pattern overlaps number. */ - lua_Number n; /* Number object overlaps split tag/value object. */ - struct { - LJ_ENDIAN_LOHI( - union { - GCRef gcr; /* GCobj reference (if any). */ - int32_t i; /* Integer value. */ - }; - , uint32_t it; /* Internal object tag. Must overlap MSW of number. */ - ) - }; - struct { - LJ_ENDIAN_LOHI( - GCRef func; /* Function for next frame (or dummy L). */ - , FrameLink tp; /* Link to previous frame. */ - ) - } fr; - struct { - LJ_ENDIAN_LOHI( - uint32_t lo; /* Lower 32 bits of number. */ - , uint32_t hi; /* Upper 32 bits of number. */ - ) - } u32; -} TValue; - -typedef const TValue cTValue; - -#define tvref(r) (mref(r, TValue)) - -/* More external and GCobj tags for internal objects. */ -#define LAST_TT LUA_TTHREAD -#define LUA_TPROTO (LAST_TT+1) -#define LUA_TCDATA (LAST_TT+2) - -/* Internal object tags. -** -** Internal tags overlap the MSW of a number object (must be a double). -** Interpreted as a double these are special NaNs. The FPU only generates -** one type of NaN (0xfff8_0000_0000_0000). So MSWs > 0xfff80000 are available -** for use as internal tags. Small negative numbers are used to shorten the -** encoding of type comparisons (reg/mem against sign-ext. 8 bit immediate). -** -** ---MSW---.---LSW--- -** primitive types | itype | | -** lightuserdata | itype | void * | (32 bit platforms) -** lightuserdata |ffff| void * | (64 bit platforms, 47 bit pointers) -** GC objects | itype | GCRef | -** int (LJ_DUALNUM)| itype | int | -** number -------double------ -** -** ORDER LJ_T -** Primitive types nil/false/true must be first, lightuserdata next. -** GC objects are at the end, table/userdata must be lowest. -** Also check lj_ir.h for similar ordering constraints. -*/ -#define LJ_TNIL (~0u) -#define LJ_TFALSE (~1u) -#define LJ_TTRUE (~2u) -#define LJ_TLIGHTUD (~3u) -#define LJ_TSTR (~4u) -#define LJ_TUPVAL (~5u) -#define LJ_TTHREAD (~6u) -#define LJ_TPROTO (~7u) -#define LJ_TFUNC (~8u) -#define LJ_TTRACE (~9u) -#define LJ_TCDATA (~10u) -#define LJ_TTAB (~11u) -#define LJ_TUDATA (~12u) -/* This is just the canonical number type used in some places. */ -#define LJ_TNUMX (~13u) - -/* Integers have itype == LJ_TISNUM doubles have itype < LJ_TISNUM */ -#if LJ_64 -#define LJ_TISNUM 0xfffeffffu -#else -#define LJ_TISNUM LJ_TNUMX -#endif -#define LJ_TISTRUECOND LJ_TFALSE -#define LJ_TISPRI LJ_TTRUE -#define LJ_TISGCV (LJ_TSTR+1) -#define LJ_TISTABUD LJ_TTAB - -/* -- String object ------------------------------------------------------- */ - -/* String object header. String payload follows. */ -typedef struct GCstr { - GCHeader; - uint8_t reserved; /* Used by lexer for fast lookup of reserved words. */ - uint8_t unused; - MSize hash; /* Hash of string. */ - MSize len; /* Size of string. */ -} GCstr; - -#define strref(r) (&gcref((r))->str) -#define strdata(s) ((const char *)((s)+1)) -#define strdatawr(s) ((char *)((s)+1)) -#define strVdata(o) strdata(strV(o)) -#define sizestring(s) (sizeof(struct GCstr)+(s)->len+1) - -/* -- Userdata object ----------------------------------------------------- */ - -/* Userdata object. Payload follows. */ -typedef struct GCudata { - GCHeader; - uint8_t udtype; /* Userdata type. */ - uint8_t unused2; - GCRef env; /* Should be at same offset in GCfunc. */ - MSize len; /* Size of payload. */ - GCRef metatable; /* Must be at same offset in GCtab. */ - uint32_t align1; /* To force 8 byte alignment of the payload. */ -} GCudata; - -/* Userdata types. */ -enum { - UDTYPE_USERDATA, /* Regular userdata. */ - UDTYPE_IO_FILE, /* I/O library FILE. */ - UDTYPE_FFI_CLIB, /* FFI C library namespace. */ - UDTYPE__MAX -}; - -#define uddata(u) ((void *)((u)+1)) -#define sizeudata(u) (sizeof(struct GCudata)+(u)->len) - -/* -- C data object ------------------------------------------------------- */ - -/* C data object. Payload follows. */ -typedef struct GCcdata { - GCHeader; - uint16_t typeid; /* C type ID. */ -} GCcdata; - -/* Prepended to variable-sized or realigned C data objects. */ -typedef struct GCcdataVar { - uint16_t offset; /* Offset to allocated memory (relative to GCcdata). */ - uint16_t extra; /* Extra space allocated (incl. GCcdata + GCcdatav). */ - MSize len; /* Size of payload. */ -} GCcdataVar; - -#define cdataptr(cd) ((void *)((cd)+1)) -#define cdataisv(cd) ((cd)->marked & 0x80) -#define cdatav(cd) ((GCcdataVar *)((char *)(cd) - sizeof(GCcdataVar))) -#define cdatavlen(cd) check_exp(cdataisv(cd), cdatav(cd)->len) -#define sizecdatav(cd) (cdatavlen(cd) + cdatav(cd)->extra) -#define memcdatav(cd) ((void *)((char *)(cd) - cdatav(cd)->offset)) - -/* -- Prototype object ---------------------------------------------------- */ - -#define SCALE_NUM_GCO ((int32_t)sizeof(lua_Number)/sizeof(GCRef)) -#define round_nkgc(n) (((n) + SCALE_NUM_GCO-1) & ~(SCALE_NUM_GCO-1)) - -typedef struct GCproto { - GCHeader; - uint8_t numparams; /* Number of parameters. */ - uint8_t framesize; /* Fixed frame size. */ - MSize sizebc; /* Number of bytecode instructions. */ - GCRef gclist; - MRef k; /* Split constant array (points to the middle). */ - MRef uv; /* Upvalue list. local slot|0x8000 or parent uv idx. */ - MSize sizekgc; /* Number of collectable constants. */ - MSize sizekn; /* Number of lua_Number constants. */ - MSize sizept; /* Total size including colocated arrays. */ - uint8_t sizeuv; /* Number of upvalues. */ - uint8_t flags; /* Miscellaneous flags (see below). */ - uint16_t trace; /* Anchor for chain of root traces. */ - /* ------ The following fields are for debugging/tracebacks only ------ */ - GCRef chunkname; /* Name of the chunk this function was defined in. */ - BCLine firstline; /* First line of the function definition. */ - BCLine numline; /* Number of lines for the function definition. */ - MRef lineinfo; /* Compressed map from bytecode ins. to source line. */ - MRef uvinfo; /* Upvalue names. */ - MRef varinfo; /* Names and compressed extents of local variables. */ -} GCproto; - -/* Flags for prototype. */ -#define PROTO_CHILD 0x01 /* Has child prototypes. */ -#define PROTO_VARARG 0x02 /* Vararg function. */ -#define PROTO_FFI 0x04 /* Uses BC_KCDATA for FFI datatypes. */ -#define PROTO_NOJIT 0x08 /* JIT disabled for this function. */ -#define PROTO_ILOOP 0x10 /* Patched bytecode with ILOOP etc. */ -/* Only used during parsing. */ -#define PROTO_HAS_RETURN 0x20 /* Already emitted a return. */ -#define PROTO_FIXUP_RETURN 0x40 /* Need to fixup emitted returns. */ -/* Top bits used for counting created closures. */ -#define PROTO_CLCOUNT 0x20 /* Base of saturating 3 bit counter. */ -#define PROTO_CLC_BITS 3 - -#define proto_kgc(pt, idx) \ - check_exp((uintptr_t)(intptr_t)(idx) >= (uintptr_t)-(intptr_t)(pt)->sizekgc, \ - gcref(mref((pt)->k, GCRef)[(idx)])) -#define proto_knumtv(pt, idx) \ - check_exp((uintptr_t)(idx) < (pt)->sizekn, &mref((pt)->k, TValue)[(idx)]) -#define proto_bc(pt) ((BCIns *)((char *)(pt) + sizeof(GCproto))) -#define proto_bcpos(pt, pc) ((BCPos)((pc) - proto_bc(pt))) -#define proto_uv(pt) (mref((pt)->uv, uint16_t)) - -#define proto_chunkname(pt) (strref((pt)->chunkname)) -#define proto_chunknamestr(pt) (strdata(proto_chunkname((pt)))) -#define proto_lineinfo(pt) (mref((pt)->lineinfo, const void)) -#define proto_uvinfo(pt) (mref((pt)->uvinfo, const uint8_t)) -#define proto_varinfo(pt) (mref((pt)->varinfo, const uint8_t)) - -/* -- Upvalue object ------------------------------------------------------ */ - -typedef struct GCupval { - GCHeader; - uint8_t closed; /* Set if closed (i.e. uv->v == &uv->u.value). */ - uint8_t unused; - union { - TValue tv; /* If closed: the value itself. */ - struct { /* If open: double linked list, anchored at thread. */ - GCRef prev; - GCRef next; - }; - }; - MRef v; /* Points to stack slot (open) or above (closed). */ - uint32_t dhash; /* Disambiguation hash: dh1 != dh2 => cannot alias. */ -} GCupval; - -#define uvprev(uv_) (&gcref((uv_)->prev)->uv) -#define uvnext(uv_) (&gcref((uv_)->next)->uv) -#define uvval(uv_) (mref((uv_)->v, TValue)) - -/* -- Function object (closures) ------------------------------------------ */ - -/* Common header for functions. env should be at same offset in GCudata. */ -#define GCfuncHeader \ - GCHeader; uint8_t ffid; uint8_t nupvalues; \ - GCRef env; GCRef gclist; MRef pc - -typedef struct GCfuncC { - GCfuncHeader; - lua_CFunction f; /* C function to be called. */ - TValue upvalue[1]; /* Array of upvalues (TValue). */ -} GCfuncC; - -typedef struct GCfuncL { - GCfuncHeader; - GCRef uvptr[1]; /* Array of _pointers_ to upvalue objects (GCupval). */ -} GCfuncL; - -typedef union GCfunc { - GCfuncC c; - GCfuncL l; -} GCfunc; - -#define FF_LUA 0 -#define FF_C 1 -#define isluafunc(fn) ((fn)->c.ffid == FF_LUA) -#define iscfunc(fn) ((fn)->c.ffid == FF_C) -#define isffunc(fn) ((fn)->c.ffid > FF_C) -#define funcproto(fn) \ - check_exp(isluafunc(fn), (GCproto *)(mref((fn)->l.pc, char)-sizeof(GCproto))) -#define sizeCfunc(n) (sizeof(GCfuncC)-sizeof(TValue)+sizeof(TValue)*(n)) -#define sizeLfunc(n) (sizeof(GCfuncL)-sizeof(GCRef)+sizeof(GCRef)*(n)) - -/* -- Table object -------------------------------------------------------- */ - -/* Hash node. */ -typedef struct Node { - TValue val; /* Value object. Must be first field. */ - TValue key; /* Key object. */ - MRef next; /* Hash chain. */ - MRef freetop; /* Top of free elements (stored in t->node[0]). */ -} Node; - -LJ_STATIC_ASSERT(offsetof(Node, val) == 0); - -typedef struct GCtab { - GCHeader; - uint8_t nomm; /* Negative cache for fast metamethods. */ - int8_t colo; /* Array colocation. */ - MRef array; /* Array part. */ - GCRef gclist; - GCRef metatable; /* Must be at same offset in GCudata. */ - MRef node; /* Hash part. */ - uint32_t asize; /* Size of array part (keys [0, asize-1]). */ - uint32_t hmask; /* Hash part mask (size of hash part - 1). */ -} GCtab; - -#define sizetabcolo(n) ((n)*sizeof(TValue) + sizeof(GCtab)) -#define tabref(r) (&gcref((r))->tab) -#define noderef(r) (mref((r), Node)) -#define nextnode(n) (mref((n)->next, Node)) - -/* -- State objects ------------------------------------------------------- */ - -/* VM states. */ -enum { - LJ_VMST_INTERP, /* Interpreter. */ - LJ_VMST_C, /* C function. */ - LJ_VMST_GC, /* Garbage collector. */ - LJ_VMST_EXIT, /* Trace exit handler. */ - LJ_VMST_RECORD, /* Trace recorder. */ - LJ_VMST_OPT, /* Optimizer. */ - LJ_VMST_ASM, /* Assembler. */ - LJ_VMST__MAX -}; - -#define setvmstate(g, st) ((g)->vmstate = ~LJ_VMST_##st) - -/* Metamethods. ORDER MM */ -#ifdef LUAJIT_ENABLE_LUA52COMPAT -#define MMDEF_52(_) _(pairs) _(ipairs) -#else -#define MMDEF_52(_) -#endif - -#define MMDEF(_) \ - _(index) _(newindex) _(gc) _(mode) _(eq) _(len) \ - /* Only the above (fast) metamethods are negative cached (max. 8). */ \ - _(lt) _(le) _(concat) _(call) \ - /* The following must be in ORDER ARITH. */ \ - _(add) _(sub) _(mul) _(div) _(mod) _(pow) _(unm) \ - /* The following are used in the standard libraries. */ \ - _(metatable) _(tostring) MMDEF_52(_) - -typedef enum { -#define MMENUM(name) MM_##name, -MMDEF(MMENUM) -#undef MMENUM - MM__MAX, - MM____ = MM__MAX, - MM_FAST = MM_len -} MMS; - -/* GC root IDs. */ -typedef enum { - GCROOT_MMNAME, /* Metamethod names. */ - GCROOT_MMNAME_LAST = GCROOT_MMNAME + MM__MAX-1, - GCROOT_BASEMT, /* Metatables for base types. */ - GCROOT_BASEMT_NUM = GCROOT_BASEMT + ~LJ_TNUMX, - GCROOT_IO_INPUT, /* Userdata for default I/O input file. */ - GCROOT_IO_OUTPUT, /* Userdata for default I/O output file. */ - GCROOT_MAX -} GCRootID; - -#define basemt_it(g, it) ((g)->gcroot[GCROOT_BASEMT+~(it)]) -#define basemt_obj(g, o) ((g)->gcroot[GCROOT_BASEMT+itypemap(o)]) -#define mmname_str(g, mm) (strref((g)->gcroot[GCROOT_MMNAME+(mm)])) - -typedef struct GCState { - MSize total; /* Memory currently allocated. */ - MSize threshold; /* Memory threshold. */ - uint8_t currentwhite; /* Current white color. */ - uint8_t state; /* GC state. */ - uint8_t unused1; - uint8_t unused2; - MSize sweepstr; /* Sweep position in string table. */ - GCRef root; /* List of all collectable objects. */ - MRef sweep; /* Sweep position in root list. */ - GCRef gray; /* List of gray objects. */ - GCRef grayagain; /* List of objects for atomic traversal. */ - GCRef weak; /* List of weak tables (to be cleared). */ - GCRef mmudata; /* List of userdata (to be finalized). */ - MSize stepmul; /* Incremental GC step granularity. */ - MSize debt; /* Debt (how much GC is behind schedule). */ - MSize estimate; /* Estimate of memory actually in use. */ - MSize pause; /* Pause between successive GC cycles. */ -} GCState; - -/* Global state, shared by all threads of a Lua universe. */ -typedef struct global_State { - GCRef *strhash; /* String hash table (hash chain anchors). */ - MSize strmask; /* String hash mask (size of hash table - 1). */ - MSize strnum; /* Number of strings in hash table. */ - lua_Alloc allocf; /* Memory allocator. */ - void *allocd; /* Memory allocator data. */ - GCState gc; /* Garbage collector. */ - SBuf tmpbuf; /* Temporary buffer for string concatenation. */ - Node nilnode; /* Fallback 1-element hash part (nil key and value). */ - GCstr strempty; /* Empty string. */ - uint8_t stremptyz; /* Zero terminator of empty string. */ - uint8_t hookmask; /* Hook mask. */ - uint8_t dispatchmode; /* Dispatch mode. */ - uint8_t vmevmask; /* VM event mask. */ - GCRef mainthref; /* Link to main thread. */ - TValue registrytv; /* Anchor for registry. */ - TValue tmptv, tmptv2; /* Temporary TValues. */ - GCupval uvhead; /* Head of double-linked list of all open upvalues. */ - int32_t hookcount; /* Instruction hook countdown. */ - int32_t hookcstart; /* Start count for instruction hook counter. */ - lua_Hook hookf; /* Hook function. */ - lua_CFunction wrapf; /* Wrapper for C function calls. */ - lua_CFunction panic; /* Called as a last resort for errors. */ - volatile int32_t vmstate; /* VM state or current JIT code trace number. */ - BCIns bc_cfunc_int; /* Bytecode for internal C function calls. */ - BCIns bc_cfunc_ext; /* Bytecode for external C function calls. */ - GCRef jit_L; /* Current JIT code lua_State or NULL. */ - MRef jit_base; /* Current JIT code L->base. */ - MRef ctype_state; /* Pointer to C type state. */ - GCRef gcroot[GCROOT_MAX]; /* GC roots. */ -} global_State; - -#define mainthread(g) (&gcref(g->mainthref)->th) -#define niltv(L) \ - check_exp(tvisnil(&G(L)->nilnode.val), &G(L)->nilnode.val) -#define niltvg(g) \ - check_exp(tvisnil(&(g)->nilnode.val), &(g)->nilnode.val) - -/* Hook management. Hook event masks are defined in lua.h. */ -#define HOOK_EVENTMASK 0x0f -#define HOOK_ACTIVE 0x10 -#define HOOK_ACTIVE_SHIFT 4 -#define HOOK_VMEVENT 0x20 -#define HOOK_GC 0x40 -#define hook_active(g) ((g)->hookmask & HOOK_ACTIVE) -#define hook_enter(g) ((g)->hookmask |= HOOK_ACTIVE) -#define hook_entergc(g) ((g)->hookmask |= (HOOK_ACTIVE|HOOK_GC)) -#define hook_vmevent(g) ((g)->hookmask |= (HOOK_ACTIVE|HOOK_VMEVENT)) -#define hook_leave(g) ((g)->hookmask &= ~HOOK_ACTIVE) -#define hook_save(g) ((g)->hookmask & ~HOOK_EVENTMASK) -#define hook_restore(g, h) \ - ((g)->hookmask = ((g)->hookmask & HOOK_EVENTMASK) | (h)) - -/* Per-thread state object. */ -struct lua_State { - GCHeader; - uint8_t dummy_ffid; /* Fake FF_C for curr_funcisL() on dummy frames. */ - uint8_t status; /* Thread status. */ - MRef glref; /* Link to global state. */ - GCRef gclist; /* GC chain. */ - TValue *base; /* Base of currently executing function. */ - TValue *top; /* First free slot in the stack. */ - MRef maxstack; /* Last free slot in the stack. */ - MRef stack; /* Stack base. */ - GCRef openupval; /* List of open upvalues in the stack. */ - GCRef env; /* Thread environment (table of globals). */ - void *cframe; /* End of C stack frame chain. */ - MSize stacksize; /* True stack size (incl. LJ_STACK_EXTRA). */ -}; - -#define G(L) (mref(L->glref, global_State)) -#define registry(L) (&G(L)->registrytv) - -/* Macros to access the currently executing (Lua) function. */ -#define curr_func(L) (&gcref((L->base-1)->fr.func)->fn) -#define curr_funcisL(L) (isluafunc(curr_func(L))) -#define curr_proto(L) (funcproto(curr_func(L))) -#define curr_topL(L) (L->base + curr_proto(L)->framesize) -#define curr_top(L) (curr_funcisL(L) ? curr_topL(L) : L->top) - -/* -- GC object definition and conversions -------------------------------- */ - -/* GC header for generic access to common fields of GC objects. */ -typedef struct GChead { - GCHeader; - uint8_t unused1; - uint8_t unused2; - GCRef env; - GCRef gclist; - GCRef metatable; -} GChead; - -/* The env field SHOULD be at the same offset for all GC objects. */ -LJ_STATIC_ASSERT(offsetof(GChead, env) == offsetof(GCfuncL, env)); -LJ_STATIC_ASSERT(offsetof(GChead, env) == offsetof(GCudata, env)); - -/* The metatable field MUST be at the same offset for all GC objects. */ -LJ_STATIC_ASSERT(offsetof(GChead, metatable) == offsetof(GCtab, metatable)); -LJ_STATIC_ASSERT(offsetof(GChead, metatable) == offsetof(GCudata, metatable)); - -/* The gclist field MUST be at the same offset for all GC objects. */ -LJ_STATIC_ASSERT(offsetof(GChead, gclist) == offsetof(lua_State, gclist)); -LJ_STATIC_ASSERT(offsetof(GChead, gclist) == offsetof(GCproto, gclist)); -LJ_STATIC_ASSERT(offsetof(GChead, gclist) == offsetof(GCfuncL, gclist)); -LJ_STATIC_ASSERT(offsetof(GChead, gclist) == offsetof(GCtab, gclist)); - -typedef union GCobj { - GChead gch; - GCstr str; - GCupval uv; - lua_State th; - GCproto pt; - GCfunc fn; - GCcdata cd; - GCtab tab; - GCudata ud; -} GCobj; - -/* Macros to convert a GCobj pointer into a specific value. */ -#define gco2str(o) check_exp((o)->gch.gct == ~LJ_TSTR, &(o)->str) -#define gco2uv(o) check_exp((o)->gch.gct == ~LJ_TUPVAL, &(o)->uv) -#define gco2th(o) check_exp((o)->gch.gct == ~LJ_TTHREAD, &(o)->th) -#define gco2pt(o) check_exp((o)->gch.gct == ~LJ_TPROTO, &(o)->pt) -#define gco2func(o) check_exp((o)->gch.gct == ~LJ_TFUNC, &(o)->fn) -#define gco2cd(o) check_exp((o)->gch.gct == ~LJ_TCDATA, &(o)->cd) -#define gco2tab(o) check_exp((o)->gch.gct == ~LJ_TTAB, &(o)->tab) -#define gco2ud(o) check_exp((o)->gch.gct == ~LJ_TUDATA, &(o)->ud) - -/* Macro to convert any collectable object into a GCobj pointer. */ -#define obj2gco(v) ((GCobj *)(v)) - -/* -- TValue getters/setters ---------------------------------------------- */ - -#ifdef LUA_USE_ASSERT -#include "lj_gc.h" -#endif - -/* Macros to test types. */ -#define itype(o) ((o)->it) -#define tvisnil(o) (itype(o) == LJ_TNIL) -#define tvisfalse(o) (itype(o) == LJ_TFALSE) -#define tvistrue(o) (itype(o) == LJ_TTRUE) -#define tvisbool(o) (tvisfalse(o) || tvistrue(o)) -#if LJ_64 -#define tvislightud(o) (((int32_t)itype(o) >> 15) == -2) -#else -#define tvislightud(o) (itype(o) == LJ_TLIGHTUD) -#endif -#define tvisstr(o) (itype(o) == LJ_TSTR) -#define tvisfunc(o) (itype(o) == LJ_TFUNC) -#define tvisthread(o) (itype(o) == LJ_TTHREAD) -#define tvisproto(o) (itype(o) == LJ_TPROTO) -#define tviscdata(o) (itype(o) == LJ_TCDATA) -#define tvistab(o) (itype(o) == LJ_TTAB) -#define tvisudata(o) (itype(o) == LJ_TUDATA) -#define tvisnumber(o) (itype(o) <= LJ_TISNUM) -#define tvisint(o) (LJ_DUALNUM && itype(o) == LJ_TISNUM) -#define tvisnum(o) (itype(o) < LJ_TISNUM) - -#define tvistruecond(o) (itype(o) < LJ_TISTRUECOND) -#define tvispri(o) (itype(o) >= LJ_TISPRI) -#define tvistabud(o) (itype(o) <= LJ_TISTABUD) /* && !tvisnum() */ -#define tvisgcv(o) ((itype(o) - LJ_TISGCV) > (LJ_TNUMX - LJ_TISGCV)) - -/* Special macros to test numbers for NaN, +0, -0, +1 and raw equality. */ -#define tvisnan(o) ((o)->n != (o)->n) -#if LJ_64 -#define tviszero(o) (((o)->u64 << 1) == 0) -#else -#define tviszero(o) (((o)->u32.lo | ((o)->u32.hi << 1)) == 0) -#endif -#define tvispzero(o) ((o)->u64 == 0) -#define tvismzero(o) ((o)->u64 == U64x(80000000,00000000)) -#define tvispone(o) ((o)->u64 == U64x(3ff00000,00000000)) -#define rawnumequal(o1, o2) ((o1)->u64 == (o2)->u64) - -/* Macros to convert type ids. */ -#if LJ_64 -#define itypemap(o) \ - (tvisnumber(o) ? ~LJ_TNUMX : tvislightud(o) ? ~LJ_TLIGHTUD : ~itype(o)) -#else -#define itypemap(o) (tvisnumber(o) ? ~LJ_TNUMX : ~itype(o)) -#endif - -/* Macros to get tagged values. */ -#define gcval(o) (gcref((o)->gcr)) -#define boolV(o) check_exp(tvisbool(o), (LJ_TFALSE - (o)->it)) -#if LJ_64 -#define lightudV(o) \ - check_exp(tvislightud(o), (void *)((o)->u64 & U64x(00007fff,ffffffff))) -#else -#define lightudV(o) check_exp(tvislightud(o), gcrefp((o)->gcr, void)) -#endif -#define gcV(o) check_exp(tvisgcv(o), gcval(o)) -#define strV(o) check_exp(tvisstr(o), &gcval(o)->str) -#define funcV(o) check_exp(tvisfunc(o), &gcval(o)->fn) -#define threadV(o) check_exp(tvisthread(o), &gcval(o)->th) -#define protoV(o) check_exp(tvisproto(o), &gcval(o)->pt) -#define cdataV(o) check_exp(tviscdata(o), &gcval(o)->cd) -#define tabV(o) check_exp(tvistab(o), &gcval(o)->tab) -#define udataV(o) check_exp(tvisudata(o), &gcval(o)->ud) -#define numV(o) check_exp(tvisnum(o), (o)->n) -#define intV(o) check_exp(tvisint(o), (int32_t)(o)->i) - -/* Macros to set tagged values. */ -#define setitype(o, i) ((o)->it = (i)) -#define setnilV(o) ((o)->it = LJ_TNIL) -#define setboolV(o, x) ((o)->it = LJ_TFALSE-(uint32_t)(x)) - -static LJ_AINLINE void setlightudV(TValue *o, void *p) -{ -#if LJ_64 - o->u64 = (uint64_t)p | (((uint64_t)0xffff) << 48); -#else - setgcrefp(o->gcr, p); setitype(o, LJ_TLIGHTUD); -#endif -} - -#if LJ_64 -#define checklightudptr(L, p) \ - (((uint64_t)(p) >> 47) ? (lj_err_msg(L, LJ_ERR_BADLU), NULL) : (p)) -#define setcont(o, f) \ - ((o)->u64 = (uint64_t)(void *)(f) - (uint64_t)lj_vm_asm_begin) -#else -#define checklightudptr(L, p) (p) -#define setcont(o, f) setlightudV((o), (void *)(f)) -#endif - -#define tvchecklive(L, o) \ - UNUSED(L), lua_assert(!tvisgcv(o) || \ - ((~itype(o) == gcval(o)->gch.gct) && !isdead(G(L), gcval(o)))) - -static LJ_AINLINE void setgcV(lua_State *L, TValue *o, GCobj *v, uint32_t itype) -{ - setgcref(o->gcr, v); setitype(o, itype); tvchecklive(L, o); -} - -#define define_setV(name, type, tag) \ -static LJ_AINLINE void name(lua_State *L, TValue *o, type *v) \ -{ \ - setgcV(L, o, obj2gco(v), tag); \ -} -define_setV(setstrV, GCstr, LJ_TSTR) -define_setV(setthreadV, lua_State, LJ_TTHREAD) -define_setV(setprotoV, GCproto, LJ_TPROTO) -define_setV(setfuncV, GCfunc, LJ_TFUNC) -define_setV(setcdataV, GCcdata, LJ_TCDATA) -define_setV(settabV, GCtab, LJ_TTAB) -define_setV(setudataV, GCudata, LJ_TUDATA) - -#define setnumV(o, x) ((o)->n = (x)) -#define setnanV(o) ((o)->u64 = U64x(fff80000,00000000)) -#define setpinfV(o) ((o)->u64 = U64x(7ff00000,00000000)) -#define setminfV(o) ((o)->u64 = U64x(fff00000,00000000)) - -static LJ_AINLINE void setintV(TValue *o, int32_t i) -{ -#if LJ_DUALNUM - o->i = (uint32_t)i; setitype(o, LJ_TISNUM); -#else - o->n = (lua_Number)i; -#endif -} - -static LJ_AINLINE void setint64V(TValue *o, int64_t i) -{ - if (LJ_DUALNUM && LJ_LIKELY(i == (int64_t)(int32_t)i)) - setintV(o, (int32_t)i); - else - setnumV(o, (lua_Number)i); -} - -#if LJ_64 -#define setintptrV(o, i) setint64V((o), (i)) -#else -#define setintptrV(o, i) setintV((o), (i)) -#endif - -/* Copy tagged values. */ -static LJ_AINLINE void copyTV(lua_State *L, TValue *o1, const TValue *o2) -{ - *o1 = *o2; tvchecklive(L, o1); -} - -/* -- Number to integer conversion ---------------------------------------- */ - -#if LJ_SOFTFP -LJ_ASMF int32_t lj_vm_tobit(double x); -#endif - -static LJ_AINLINE int32_t lj_num2bit(lua_Number n) -{ -#if LJ_SOFTFP - return lj_vm_tobit(n); -#else - TValue o; - o.n = n + 6755399441055744.0; /* 2^52 + 2^51 */ - return (int32_t)o.u32.lo; -#endif -} - -#if LJ_TARGET_X86 && !defined(__SSE2__) -#define lj_num2int(n) lj_num2bit((n)) -#else -#define lj_num2int(n) ((int32_t)(n)) -#endif - -static LJ_AINLINE uint64_t lj_num2u64(lua_Number n) -{ -#ifdef _MSC_VER - if (n >= 9223372036854775808.0) /* They think it's a feature. */ - return (uint64_t)(int64_t)(n - 18446744073709551616.0); - else -#endif - return (uint64_t)n; -} - -static LJ_AINLINE int32_t numberVint(cTValue *o) -{ - if (LJ_LIKELY(tvisint(o))) - return intV(o); - else - return lj_num2int(numV(o)); -} - -static LJ_AINLINE lua_Number numberVnum(cTValue *o) -{ - if (LJ_UNLIKELY(tvisint(o))) - return (lua_Number)intV(o); - else - return numV(o); -} - -/* -- Miscellaneous object handling --------------------------------------- */ - -/* Names and maps for internal and external object tags. */ -LJ_DATA const char *const lj_obj_typename[1+LUA_TCDATA+1]; -LJ_DATA const char *const lj_obj_itypename[~LJ_TNUMX+1]; - -#define typename(o) (lj_obj_itypename[itypemap(o)]) - -/* Compare two objects without calling metamethods. */ -LJ_FUNC int lj_obj_equal(cTValue *o1, cTValue *o2); - -#endif diff --git a/libraries/luajit-2.0/src/lj_opt_dce.c b/libraries/luajit-2.0/src/lj_opt_dce.c deleted file mode 100644 index 0587262..0000000 --- a/libraries/luajit-2.0/src/lj_opt_dce.c +++ /dev/null @@ -1,77 +0,0 @@ -/* -** DCE: Dead Code Elimination. Pre-LOOP only -- ASM already performs DCE. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_opt_dce_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_iropt.h" - -/* Some local macros to save typing. Undef'd at the end. */ -#define IR(ref) (&J->cur.ir[(ref)]) - -/* Scan through all snapshots and mark all referenced instructions. */ -static void dce_marksnap(jit_State *J) -{ - SnapNo i, nsnap = J->cur.nsnap; - for (i = 0; i < nsnap; i++) { - SnapShot *snap = &J->cur.snap[i]; - SnapEntry *map = &J->cur.snapmap[snap->mapofs]; - MSize n, nent = snap->nent; - for (n = 0; n < nent; n++) { - IRRef ref = snap_ref(map[n]); - if (ref >= REF_FIRST) - irt_setmark(IR(ref)->t); - } - } -} - -/* Backwards propagate marks. Replace unused instructions with NOPs. */ -static void dce_propagate(jit_State *J) -{ - IRRef1 *pchain[IR__MAX]; - IRRef ins; - uint32_t i; - for (i = 0; i < IR__MAX; i++) pchain[i] = &J->chain[i]; - for (ins = J->cur.nins-1; ins >= REF_FIRST; ins--) { - IRIns *ir = IR(ins); - if (irt_ismarked(ir->t)) { - irt_clearmark(ir->t); - pchain[ir->o] = &ir->prev; - } else if (!ir_sideeff(ir)) { - *pchain[ir->o] = ir->prev; /* Reroute original instruction chain. */ - ir->t.irt = IRT_NIL; - ir->o = IR_NOP; /* Replace instruction with NOP. */ - ir->op1 = ir->op2 = 0; - ir->prev = 0; - continue; - } - if (ir->op1 >= REF_FIRST) irt_setmark(IR(ir->op1)->t); - if (ir->op2 >= REF_FIRST) irt_setmark(IR(ir->op2)->t); - } -} - -/* Dead Code Elimination. -** -** First backpropagate marks for all used instructions. Then replace -** the unused ones with a NOP. Note that compressing the IR to eliminate -** the NOPs does not pay off. -*/ -void lj_opt_dce(jit_State *J) -{ - if ((J->flags & JIT_F_OPT_DCE)) { - dce_marksnap(J); - dce_propagate(J); - } -} - -#undef IR - -#endif diff --git a/libraries/luajit-2.0/src/lj_opt_fold.c b/libraries/luajit-2.0/src/lj_opt_fold.c deleted file mode 100644 index e7d4f9c..0000000 --- a/libraries/luajit-2.0/src/lj_opt_fold.c +++ /dev/null @@ -1,2218 +0,0 @@ -/* -** FOLD: Constant Folding, Algebraic Simplifications and Reassociation. -** ABCelim: Array Bounds Check Elimination. -** CSE: Common-Subexpression Elimination. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_opt_fold_c -#define LUA_CORE - -#include - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_iropt.h" -#include "lj_trace.h" -#include "lj_carith.h" -#include "lj_vm.h" - -/* Here's a short description how the FOLD engine processes instructions: -** -** The FOLD engine receives a single instruction stored in fins (J->fold.ins). -** The instruction and its operands are used to select matching fold rules. -** These are applied iteratively until a fixed point is reached. -** -** The 8 bit opcode of the instruction itself plus the opcodes of the -** two instructions referenced by its operands form a 24 bit key -** 'ins left right' (unused operands -> 0, literals -> lowest 8 bits). -** -** This key is used for partial matching against the fold rules. The -** left/right operand fields of the key are successively masked with -** the 'any' wildcard, from most specific to least specific: -** -** ins left right -** ins any right -** ins left any -** ins any any -** -** The masked key is used to lookup a matching fold rule in a semi-perfect -** hash table. If a matching rule is found, the related fold function is run. -** Multiple rules can share the same fold function. A fold rule may return -** one of several special values: -** -** - NEXTFOLD means no folding was applied, because an additional test -** inside the fold function failed. Matching continues against less -** specific fold rules. Finally the instruction is passed on to CSE. -** -** - RETRYFOLD means the instruction was modified in-place. Folding is -** retried as if this instruction had just been received. -** -** All other return values are terminal actions -- no further folding is -** applied: -** -** - INTFOLD(i) returns a reference to the integer constant i. -** -** - LEFTFOLD and RIGHTFOLD return the left/right operand reference -** without emitting an instruction. -** -** - CSEFOLD and EMITFOLD pass the instruction directly to CSE or emit -** it without passing through any further optimizations. -** -** - FAILFOLD, DROPFOLD and CONDFOLD only apply to instructions which have -** no result (e.g. guarded assertions): FAILFOLD means the guard would -** always fail, i.e. the current trace is pointless. DROPFOLD means -** the guard is always true and has been eliminated. CONDFOLD is a -** shortcut for FAILFOLD + cond (i.e. drop if true, otherwise fail). -** -** - Any other return value is interpreted as an IRRef or TRef. This -** can be a reference to an existing or a newly created instruction. -** Only the least-significant 16 bits (IRRef1) are used to form a TRef -** which is finally returned to the caller. -** -** The FOLD engine receives instructions both from the trace recorder and -** substituted instructions from LOOP unrolling. This means all types -** of instructions may end up here, even though the recorder bypasses -** FOLD in some cases. Thus all loads, stores and allocations must have -** an any/any rule to avoid being passed on to CSE. -** -** Carefully read the following requirements before adding or modifying -** any fold rules: -** -** Requirement #1: All fold rules must preserve their destination type. -** -** Consistently use INTFOLD() (KINT result) or lj_ir_knum() (KNUM result). -** Never use lj_ir_knumint() which can have either a KINT or KNUM result. -** -** Requirement #2: Fold rules should not create *new* instructions which -** reference operands *across* PHIs. -** -** E.g. a RETRYFOLD with 'fins->op1 = fleft->op1' is invalid if the -** left operand is a PHI. Then fleft->op1 would point across the PHI -** frontier to an invariant instruction. Adding a PHI for this instruction -** would be counterproductive. The solution is to add a barrier which -** prevents folding across PHIs, i.e. 'PHIBARRIER(fleft)' in this case. -** The only exception is for recurrences with high latencies like -** repeated int->num->int conversions. -** -** One could relax this condition a bit if the referenced instruction is -** a PHI, too. But this often leads to worse code due to excessive -** register shuffling. -** -** Note: returning *existing* instructions (e.g. LEFTFOLD) is ok, though. -** Even returning fleft->op1 would be ok, because a new PHI will added, -** if needed. But again, this leads to excessive register shuffling and -** should be avoided. -** -** Requirement #3: The set of all fold rules must be monotonic to guarantee -** termination. -** -** The goal is optimization, so one primarily wants to add strength-reducing -** rules. This means eliminating an instruction or replacing an instruction -** with one or more simpler instructions. Don't add fold rules which point -** into the other direction. -** -** Some rules (like commutativity) do not directly reduce the strength of -** an instruction, but enable other fold rules (e.g. by moving constants -** to the right operand). These rules must be made unidirectional to avoid -** cycles. -** -** Rule of thumb: the trace recorder expands the IR and FOLD shrinks it. -*/ - -/* Some local macros to save typing. Undef'd at the end. */ -#define IR(ref) (&J->cur.ir[(ref)]) -#define fins (&J->fold.ins) -#define fleft (&J->fold.left) -#define fright (&J->fold.right) -#define knumleft (ir_knum(fleft)->n) -#define knumright (ir_knum(fright)->n) - -/* Pass IR on to next optimization in chain (FOLD). */ -#define emitir(ot, a, b) (lj_ir_set(J, (ot), (a), (b)), lj_opt_fold(J)) - -/* Fold function type. Fastcall on x86 significantly reduces their size. */ -typedef IRRef (LJ_FASTCALL *FoldFunc)(jit_State *J); - -/* Macros for the fold specs, so buildvm can recognize them. */ -#define LJFOLD(x) -#define LJFOLDX(x) -#define LJFOLDF(name) static TRef LJ_FASTCALL fold_##name(jit_State *J) -/* Note: They must be at the start of a line or buildvm ignores them! */ - -/* Barrier to prevent using operands across PHIs. */ -#define PHIBARRIER(ir) if (irt_isphi((ir)->t)) return NEXTFOLD - -/* Barrier to prevent folding across a GC step. -** GC steps can only happen at the head of a trace and at LOOP. -** And the GC is only driven forward if there is at least one allocation. -*/ -#define gcstep_barrier(J, ref) \ - ((ref) < J->chain[IR_LOOP] && \ - (J->chain[IR_SNEW] || J->chain[IR_XSNEW] || \ - J->chain[IR_TNEW] || J->chain[IR_TDUP] || \ - J->chain[IR_CNEW] || J->chain[IR_CNEWI] || J->chain[IR_TOSTR])) - -/* -- Constant folding for FP numbers ------------------------------------- */ - -LJFOLD(ADD KNUM KNUM) -LJFOLD(SUB KNUM KNUM) -LJFOLD(MUL KNUM KNUM) -LJFOLD(DIV KNUM KNUM) -LJFOLD(NEG KNUM KNUM) -LJFOLD(ABS KNUM KNUM) -LJFOLD(ATAN2 KNUM KNUM) -LJFOLD(LDEXP KNUM KNUM) -LJFOLD(MIN KNUM KNUM) -LJFOLD(MAX KNUM KNUM) -LJFOLDF(kfold_numarith) -{ - lua_Number a = knumleft; - lua_Number b = knumright; - lua_Number y = lj_vm_foldarith(a, b, fins->o - IR_ADD); - return lj_ir_knum(J, y); -} - -LJFOLD(LDEXP KNUM KINT) -LJFOLDF(kfold_ldexp) -{ -#if LJ_TARGET_X86ORX64 - UNUSED(J); - return NEXTFOLD; -#else - return lj_ir_knum(J, ldexp(knumleft, fright->i)); -#endif -} - -LJFOLD(FPMATH KNUM any) -LJFOLDF(kfold_fpmath) -{ - lua_Number a = knumleft; - lua_Number y = lj_vm_foldfpm(a, fins->op2); - return lj_ir_knum(J, y); -} - -LJFOLD(POW KNUM KINT) -LJFOLDF(kfold_numpow) -{ - lua_Number a = knumleft; - lua_Number b = (lua_Number)fright->i; - lua_Number y = lj_vm_foldarith(a, b, IR_POW - IR_ADD); - return lj_ir_knum(J, y); -} - -/* Must not use kfold_kref for numbers (could be NaN). */ -LJFOLD(EQ KNUM KNUM) -LJFOLD(NE KNUM KNUM) -LJFOLD(LT KNUM KNUM) -LJFOLD(GE KNUM KNUM) -LJFOLD(LE KNUM KNUM) -LJFOLD(GT KNUM KNUM) -LJFOLD(ULT KNUM KNUM) -LJFOLD(UGE KNUM KNUM) -LJFOLD(ULE KNUM KNUM) -LJFOLD(UGT KNUM KNUM) -LJFOLDF(kfold_numcomp) -{ - return CONDFOLD(lj_ir_numcmp(knumleft, knumright, (IROp)fins->o)); -} - -/* -- Constant folding for 32 bit integers -------------------------------- */ - -static int32_t kfold_intop(int32_t k1, int32_t k2, IROp op) -{ - switch (op) { - case IR_ADD: k1 += k2; break; - case IR_SUB: k1 -= k2; break; - case IR_MUL: k1 *= k2; break; - case IR_MOD: k1 = lj_vm_modi(k1, k2); break; - case IR_NEG: k1 = -k1; break; - case IR_BAND: k1 &= k2; break; - case IR_BOR: k1 |= k2; break; - case IR_BXOR: k1 ^= k2; break; - case IR_BSHL: k1 <<= (k2 & 31); break; - case IR_BSHR: k1 = (int32_t)((uint32_t)k1 >> (k2 & 31)); break; - case IR_BSAR: k1 >>= (k2 & 31); break; - case IR_BROL: k1 = (int32_t)lj_rol((uint32_t)k1, (k2 & 31)); break; - case IR_BROR: k1 = (int32_t)lj_ror((uint32_t)k1, (k2 & 31)); break; - case IR_MIN: k1 = k1 < k2 ? k1 : k2; break; - case IR_MAX: k1 = k1 > k2 ? k1 : k2; break; - default: lua_assert(0); break; - } - return k1; -} - -LJFOLD(ADD KINT KINT) -LJFOLD(SUB KINT KINT) -LJFOLD(MUL KINT KINT) -LJFOLD(MOD KINT KINT) -LJFOLD(NEG KINT KINT) -LJFOLD(BAND KINT KINT) -LJFOLD(BOR KINT KINT) -LJFOLD(BXOR KINT KINT) -LJFOLD(BSHL KINT KINT) -LJFOLD(BSHR KINT KINT) -LJFOLD(BSAR KINT KINT) -LJFOLD(BROL KINT KINT) -LJFOLD(BROR KINT KINT) -LJFOLD(MIN KINT KINT) -LJFOLD(MAX KINT KINT) -LJFOLDF(kfold_intarith) -{ - return INTFOLD(kfold_intop(fleft->i, fright->i, (IROp)fins->o)); -} - -LJFOLD(ADDOV KINT KINT) -LJFOLD(SUBOV KINT KINT) -LJFOLD(MULOV KINT KINT) -LJFOLDF(kfold_intovarith) -{ - lua_Number n = lj_vm_foldarith((lua_Number)fleft->i, (lua_Number)fright->i, - fins->o - IR_ADDOV); - int32_t k = lj_num2int(n); - if (n != (lua_Number)k) - return FAILFOLD; - return INTFOLD(k); -} - -LJFOLD(BNOT KINT) -LJFOLDF(kfold_bnot) -{ - return INTFOLD(~fleft->i); -} - -LJFOLD(BSWAP KINT) -LJFOLDF(kfold_bswap) -{ - return INTFOLD((int32_t)lj_bswap((uint32_t)fleft->i)); -} - -LJFOLD(LT KINT KINT) -LJFOLD(GE KINT KINT) -LJFOLD(LE KINT KINT) -LJFOLD(GT KINT KINT) -LJFOLD(ULT KINT KINT) -LJFOLD(UGE KINT KINT) -LJFOLD(ULE KINT KINT) -LJFOLD(UGT KINT KINT) -LJFOLD(ABC KINT KINT) -LJFOLDF(kfold_intcomp) -{ - int32_t a = fleft->i, b = fright->i; - switch ((IROp)fins->o) { - case IR_LT: return CONDFOLD(a < b); - case IR_GE: return CONDFOLD(a >= b); - case IR_LE: return CONDFOLD(a <= b); - case IR_GT: return CONDFOLD(a > b); - case IR_ULT: return CONDFOLD((uint32_t)a < (uint32_t)b); - case IR_UGE: return CONDFOLD((uint32_t)a >= (uint32_t)b); - case IR_ULE: return CONDFOLD((uint32_t)a <= (uint32_t)b); - case IR_ABC: - case IR_UGT: return CONDFOLD((uint32_t)a > (uint32_t)b); - default: lua_assert(0); return FAILFOLD; - } -} - -LJFOLD(UGE any KINT) -LJFOLDF(kfold_intcomp0) -{ - if (fright->i == 0) - return DROPFOLD; - return NEXTFOLD; -} - -/* -- Constant folding for 64 bit integers -------------------------------- */ - -static uint64_t kfold_int64arith(uint64_t k1, uint64_t k2, IROp op) -{ - switch (op) { -#if LJ_64 || LJ_HASFFI - case IR_ADD: k1 += k2; break; - case IR_SUB: k1 -= k2; break; -#endif -#if LJ_HASFFI - case IR_MUL: k1 *= k2; break; - case IR_BAND: k1 &= k2; break; - case IR_BOR: k1 |= k2; break; - case IR_BXOR: k1 ^= k2; break; -#endif - default: UNUSED(k2); lua_assert(0); break; - } - return k1; -} - -LJFOLD(ADD KINT64 KINT64) -LJFOLD(SUB KINT64 KINT64) -LJFOLD(MUL KINT64 KINT64) -LJFOLD(BAND KINT64 KINT64) -LJFOLD(BOR KINT64 KINT64) -LJFOLD(BXOR KINT64 KINT64) -LJFOLDF(kfold_int64arith) -{ - return INT64FOLD(kfold_int64arith(ir_k64(fleft)->u64, - ir_k64(fright)->u64, (IROp)fins->o)); -} - -LJFOLD(DIV KINT64 KINT64) -LJFOLD(MOD KINT64 KINT64) -LJFOLD(POW KINT64 KINT64) -LJFOLDF(kfold_int64arith2) -{ -#if LJ_HASFFI - uint64_t k1 = ir_k64(fleft)->u64, k2 = ir_k64(fright)->u64; - if (irt_isi64(fins->t)) { - k1 = fins->o == IR_DIV ? lj_carith_divi64((int64_t)k1, (int64_t)k2) : - fins->o == IR_MOD ? lj_carith_modi64((int64_t)k1, (int64_t)k2) : - lj_carith_powi64((int64_t)k1, (int64_t)k2); - } else { - k1 = fins->o == IR_DIV ? lj_carith_divu64(k1, k2) : - fins->o == IR_MOD ? lj_carith_modu64(k1, k2) : - lj_carith_powu64(k1, k2); - } - return INT64FOLD(k1); -#else - UNUSED(J); lua_assert(0); return FAILFOLD; -#endif -} - -LJFOLD(BSHL KINT64 KINT) -LJFOLD(BSHR KINT64 KINT) -LJFOLD(BSAR KINT64 KINT) -LJFOLD(BROL KINT64 KINT) -LJFOLD(BROR KINT64 KINT) -LJFOLDF(kfold_int64shift) -{ -#if LJ_HASFFI || LJ_64 - uint64_t k = ir_k64(fleft)->u64; - int32_t sh = (fright->i & 63); - switch ((IROp)fins->o) { - case IR_BSHL: k <<= sh; break; -#if LJ_HASFFI - case IR_BSHR: k >>= sh; break; - case IR_BSAR: k = (uint64_t)((int64_t)k >> sh); break; - case IR_BROL: k = lj_rol(k, sh); break; - case IR_BROR: k = lj_ror(k, sh); break; -#endif - default: lua_assert(0); break; - } - return INT64FOLD(k); -#else - UNUSED(J); lua_assert(0); return FAILFOLD; -#endif -} - -LJFOLD(BNOT KINT64) -LJFOLDF(kfold_bnot64) -{ -#if LJ_HASFFI - return INT64FOLD(~ir_k64(fleft)->u64); -#else - UNUSED(J); lua_assert(0); return FAILFOLD; -#endif -} - -LJFOLD(BSWAP KINT64) -LJFOLDF(kfold_bswap64) -{ -#if LJ_HASFFI - return INT64FOLD(lj_bswap64(ir_k64(fleft)->u64)); -#else - UNUSED(J); lua_assert(0); return FAILFOLD; -#endif -} - -LJFOLD(LT KINT64 KINT) -LJFOLD(GE KINT64 KINT) -LJFOLD(LE KINT64 KINT) -LJFOLD(GT KINT64 KINT) -LJFOLD(ULT KINT64 KINT) -LJFOLD(UGE KINT64 KINT) -LJFOLD(ULE KINT64 KINT) -LJFOLD(UGT KINT64 KINT) -LJFOLDF(kfold_int64comp) -{ -#if LJ_HASFFI - uint64_t a = ir_k64(fleft)->u64, b = ir_k64(fright)->u64; - switch ((IROp)fins->o) { - case IR_LT: return CONDFOLD(a < b); - case IR_GE: return CONDFOLD(a >= b); - case IR_LE: return CONDFOLD(a <= b); - case IR_GT: return CONDFOLD(a > b); - case IR_ULT: return CONDFOLD((uint64_t)a < (uint64_t)b); - case IR_UGE: return CONDFOLD((uint64_t)a >= (uint64_t)b); - case IR_ULE: return CONDFOLD((uint64_t)a <= (uint64_t)b); - case IR_UGT: return CONDFOLD((uint64_t)a > (uint64_t)b); - default: lua_assert(0); return FAILFOLD; - } -#else - UNUSED(J); lua_assert(0); return FAILFOLD; -#endif -} - -LJFOLD(UGE any KINT64) -LJFOLDF(kfold_int64comp0) -{ -#if LJ_HASFFI - if (ir_k64(fright)->u64 == 0) - return DROPFOLD; - return NEXTFOLD; -#else - UNUSED(J); lua_assert(0); return FAILFOLD; -#endif -} - -/* -- Constant folding for strings ---------------------------------------- */ - -LJFOLD(SNEW KKPTR KINT) -LJFOLDF(kfold_snew_kptr) -{ - GCstr *s = lj_str_new(J->L, (const char *)ir_kptr(fleft), (size_t)fright->i); - return lj_ir_kstr(J, s); -} - -LJFOLD(SNEW any KINT) -LJFOLDF(kfold_snew_empty) -{ - if (fright->i == 0) - return lj_ir_kstr(J, &J2G(J)->strempty); - return NEXTFOLD; -} - -LJFOLD(STRREF KGC KINT) -LJFOLDF(kfold_strref) -{ - GCstr *str = ir_kstr(fleft); - lua_assert((MSize)fright->i < str->len); - return lj_ir_kkptr(J, (char *)strdata(str) + fright->i); -} - -LJFOLD(STRREF SNEW any) -LJFOLDF(kfold_strref_snew) -{ - PHIBARRIER(fleft); - if (irref_isk(fins->op2) && fright->i == 0) { - return fleft->op1; /* strref(snew(ptr, len), 0) ==> ptr */ - } else { - /* Reassociate: strref(snew(strref(str, a), len), b) ==> strref(str, a+b) */ - IRIns *ir = IR(fleft->op1); - IRRef1 str = ir->op1; /* IRIns * is not valid across emitir. */ - lua_assert(ir->o == IR_STRREF); - PHIBARRIER(ir); - fins->op2 = emitir(IRTI(IR_ADD), ir->op2, fins->op2); /* Clobbers fins! */ - fins->op1 = str; - fins->ot = IRT(IR_STRREF, IRT_P32); - return RETRYFOLD; - } - return NEXTFOLD; -} - -LJFOLD(CALLN CARG IRCALL_lj_str_cmp) -LJFOLDF(kfold_strcmp) -{ - if (irref_isk(fleft->op1) && irref_isk(fleft->op2)) { - GCstr *a = ir_kstr(IR(fleft->op1)); - GCstr *b = ir_kstr(IR(fleft->op2)); - return INTFOLD(lj_str_cmp(a, b)); - } - return NEXTFOLD; -} - -/* -- Constant folding of pointer arithmetic ------------------------------ */ - -LJFOLD(ADD KGC KINT) -LJFOLD(ADD KGC KINT64) -LJFOLDF(kfold_add_kgc) -{ - GCobj *o = ir_kgc(fleft); -#if LJ_64 - ptrdiff_t ofs = (ptrdiff_t)ir_kint64(fright)->u64; -#else - ptrdiff_t ofs = fright->i; -#endif - return lj_ir_kkptr(J, (char *)o + ofs); -} - -LJFOLD(ADD KPTR KINT) -LJFOLD(ADD KPTR KINT64) -LJFOLD(ADD KKPTR KINT) -LJFOLD(ADD KKPTR KINT64) -LJFOLDF(kfold_add_kptr) -{ - void *p = ir_kptr(fleft); -#if LJ_64 - ptrdiff_t ofs = (ptrdiff_t)ir_kint64(fright)->u64; -#else - ptrdiff_t ofs = fright->i; -#endif - return lj_ir_kptr_(J, fleft->o, (char *)p + ofs); -} - -/* -- Constant folding of conversions ------------------------------------- */ - -LJFOLD(TOBIT KNUM KNUM) -LJFOLDF(kfold_tobit) -{ - return INTFOLD(lj_num2bit(knumleft)); -} - -LJFOLD(CONV KINT IRCONV_NUM_INT) -LJFOLDF(kfold_conv_kint_num) -{ - return lj_ir_knum(J, (lua_Number)fleft->i); -} - -LJFOLD(CONV KINT IRCONV_NUM_U32) -LJFOLDF(kfold_conv_kintu32_num) -{ - return lj_ir_knum(J, (lua_Number)(uint32_t)fleft->i); -} - -LJFOLD(CONV KINT IRCONV_I64_INT) -LJFOLD(CONV KINT IRCONV_U64_INT) -LJFOLDF(kfold_conv_kint_i64) -{ - if ((fins->op2 & IRCONV_SEXT)) - return INT64FOLD((uint64_t)(int64_t)fleft->i); - else - return INT64FOLD((uint64_t)(int64_t)(uint32_t)fleft->i); -} - -LJFOLD(CONV KINT64 IRCONV_NUM_I64) -LJFOLDF(kfold_conv_kint64_num_i64) -{ - return lj_ir_knum(J, (lua_Number)(int64_t)ir_kint64(fleft)->u64); -} - -LJFOLD(CONV KINT64 IRCONV_NUM_U64) -LJFOLDF(kfold_conv_kint64_num_u64) -{ - return lj_ir_knum(J, (lua_Number)ir_kint64(fleft)->u64); -} - -LJFOLD(CONV KINT64 IRCONV_INT_I64) -LJFOLD(CONV KINT64 IRCONV_U32_I64) -LJFOLDF(kfold_conv_kint64_int_i64) -{ - return INTFOLD((int32_t)ir_kint64(fleft)->u64); -} - -LJFOLD(CONV KNUM IRCONV_INT_NUM) -LJFOLDF(kfold_conv_knum_int_num) -{ - lua_Number n = knumleft; - if (!(fins->op2 & IRCONV_TRUNC)) { - int32_t k = lj_num2int(n); - if (irt_isguard(fins->t) && n != (lua_Number)k) { - /* We're about to create a guard which always fails, like CONV +1.5. - ** Some pathological loops cause this during LICM, e.g.: - ** local x,k,t = 0,1.5,{1,[1.5]=2} - ** for i=1,200 do x = x+ t[k]; k = k == 1 and 1.5 or 1 end - ** assert(x == 300) - */ - return FAILFOLD; - } - return INTFOLD(k); - } else { - return INTFOLD((int32_t)n); - } -} - -LJFOLD(CONV KNUM IRCONV_U32_NUM) -LJFOLDF(kfold_conv_knum_u32_num) -{ - lua_assert((fins->op2 & IRCONV_TRUNC)); - return INTFOLD((int32_t)(uint32_t)knumleft); -} - -LJFOLD(CONV KNUM IRCONV_I64_NUM) -LJFOLDF(kfold_conv_knum_i64_num) -{ - lua_assert((fins->op2 & IRCONV_TRUNC)); - return INT64FOLD((uint64_t)(int64_t)knumleft); -} - -LJFOLD(CONV KNUM IRCONV_U64_NUM) -LJFOLDF(kfold_conv_knum_u64_num) -{ - lua_assert((fins->op2 & IRCONV_TRUNC)); - return INT64FOLD(lj_num2u64(knumleft)); -} - -LJFOLD(TOSTR KNUM) -LJFOLDF(kfold_tostr_knum) -{ - return lj_ir_kstr(J, lj_str_fromnum(J->L, &knumleft)); -} - -LJFOLD(TOSTR KINT) -LJFOLDF(kfold_tostr_kint) -{ - return lj_ir_kstr(J, lj_str_fromint(J->L, fleft->i)); -} - -LJFOLD(STRTO KGC) -LJFOLDF(kfold_strto) -{ - TValue n; - if (lj_str_tonum(ir_kstr(fleft), &n)) - return lj_ir_knum(J, numV(&n)); - return FAILFOLD; -} - -/* -- Constant folding of equality checks --------------------------------- */ - -/* Don't constant-fold away FLOAD checks against KNULL. */ -LJFOLD(EQ FLOAD KNULL) -LJFOLD(NE FLOAD KNULL) -LJFOLDX(lj_opt_cse) - -/* But fold all other KNULL compares, since only KNULL is equal to KNULL. */ -LJFOLD(EQ any KNULL) -LJFOLD(NE any KNULL) -LJFOLD(EQ KNULL any) -LJFOLD(NE KNULL any) -LJFOLD(EQ KINT KINT) /* Constants are unique, so same refs <==> same value. */ -LJFOLD(NE KINT KINT) -LJFOLD(EQ KINT64 KINT64) -LJFOLD(NE KINT64 KINT64) -LJFOLD(EQ KGC KGC) -LJFOLD(NE KGC KGC) -LJFOLDF(kfold_kref) -{ - return CONDFOLD((fins->op1 == fins->op2) ^ (fins->o == IR_NE)); -} - -/* -- Algebraic shortcuts ------------------------------------------------- */ - -LJFOLD(FPMATH FPMATH IRFPM_FLOOR) -LJFOLD(FPMATH FPMATH IRFPM_CEIL) -LJFOLD(FPMATH FPMATH IRFPM_TRUNC) -LJFOLDF(shortcut_round) -{ - IRFPMathOp op = (IRFPMathOp)fleft->op2; - if (op == IRFPM_FLOOR || op == IRFPM_CEIL || op == IRFPM_TRUNC) - return LEFTFOLD; /* round(round_left(x)) = round_left(x) */ - return NEXTFOLD; -} - -LJFOLD(ABS ABS KNUM) -LJFOLDF(shortcut_left) -{ - return LEFTFOLD; /* f(g(x)) ==> g(x) */ -} - -LJFOLD(ABS NEG KNUM) -LJFOLDF(shortcut_dropleft) -{ - PHIBARRIER(fleft); - fins->op1 = fleft->op1; /* abs(neg(x)) ==> abs(x) */ - return RETRYFOLD; -} - -/* Note: no safe shortcuts with STRTO and TOSTR ("1e2" ==> +100 ==> "100"). */ -LJFOLD(NEG NEG any) -LJFOLD(BNOT BNOT) -LJFOLD(BSWAP BSWAP) -LJFOLDF(shortcut_leftleft) -{ - PHIBARRIER(fleft); /* See above. Fold would be ok, but not beneficial. */ - return fleft->op1; /* f(g(x)) ==> x */ -} - -/* -- FP algebraic simplifications ---------------------------------------- */ - -/* FP arithmetic is tricky -- there's not much to simplify. -** Please note the following common pitfalls before sending "improvements": -** x+0 ==> x is INVALID for x=-0 -** 0-x ==> -x is INVALID for x=+0 -** x*0 ==> 0 is INVALID for x=-0, x=+-Inf or x=NaN -*/ - -LJFOLD(ADD NEG any) -LJFOLDF(simplify_numadd_negx) -{ - PHIBARRIER(fleft); - fins->o = IR_SUB; /* (-a) + b ==> b - a */ - fins->op1 = fins->op2; - fins->op2 = fleft->op1; - return RETRYFOLD; -} - -LJFOLD(ADD any NEG) -LJFOLDF(simplify_numadd_xneg) -{ - PHIBARRIER(fright); - fins->o = IR_SUB; /* a + (-b) ==> a - b */ - fins->op2 = fright->op1; - return RETRYFOLD; -} - -LJFOLD(SUB any KNUM) -LJFOLDF(simplify_numsub_k) -{ - lua_Number n = knumright; - if (n == 0.0) /* x - (+-0) ==> x */ - return LEFTFOLD; - return NEXTFOLD; -} - -LJFOLD(SUB NEG KNUM) -LJFOLDF(simplify_numsub_negk) -{ - PHIBARRIER(fleft); - fins->op2 = fleft->op1; /* (-x) - k ==> (-k) - x */ - fins->op1 = (IRRef1)lj_ir_knum(J, -knumright); - return RETRYFOLD; -} - -LJFOLD(SUB any NEG) -LJFOLDF(simplify_numsub_xneg) -{ - PHIBARRIER(fright); - fins->o = IR_ADD; /* a - (-b) ==> a + b */ - fins->op2 = fright->op1; - return RETRYFOLD; -} - -LJFOLD(MUL any KNUM) -LJFOLD(DIV any KNUM) -LJFOLDF(simplify_nummuldiv_k) -{ - lua_Number n = knumright; - if (n == 1.0) { /* x o 1 ==> x */ - return LEFTFOLD; - } else if (n == -1.0) { /* x o -1 ==> -x */ - fins->o = IR_NEG; - fins->op2 = (IRRef1)lj_ir_knum_neg(J); - return RETRYFOLD; - } else if (fins->o == IR_MUL && n == 2.0) { /* x * 2 ==> x + x */ - fins->o = IR_ADD; - fins->op2 = fins->op1; - return RETRYFOLD; - } - return NEXTFOLD; -} - -LJFOLD(MUL NEG KNUM) -LJFOLD(DIV NEG KNUM) -LJFOLDF(simplify_nummuldiv_negk) -{ - PHIBARRIER(fleft); - fins->op1 = fleft->op1; /* (-a) o k ==> a o (-k) */ - fins->op2 = (IRRef1)lj_ir_knum(J, -knumright); - return RETRYFOLD; -} - -LJFOLD(MUL NEG NEG) -LJFOLD(DIV NEG NEG) -LJFOLDF(simplify_nummuldiv_negneg) -{ - PHIBARRIER(fleft); - PHIBARRIER(fright); - fins->op1 = fleft->op1; /* (-a) o (-b) ==> a o b */ - fins->op2 = fright->op1; - return RETRYFOLD; -} - -LJFOLD(POW any KINT) -LJFOLDF(simplify_numpow_xk) -{ - int32_t k = fright->i; - TRef ref = fins->op1; - if (k == 0) /* x ^ 0 ==> 1 */ - return lj_ir_knum_one(J); /* Result must be a number, not an int. */ - if (k == 1) /* x ^ 1 ==> x */ - return LEFTFOLD; - if ((uint32_t)(k+65536) > 2*65536u) /* Limit code explosion. */ - return NEXTFOLD; - if (k < 0) { /* x ^ (-k) ==> (1/x) ^ k. */ - ref = emitir(IRTN(IR_DIV), lj_ir_knum_one(J), ref); - k = -k; - } - /* Unroll x^k for 1 <= k <= 65536. */ - for (; (k & 1) == 0; k >>= 1) /* Handle leading zeros. */ - ref = emitir(IRTN(IR_MUL), ref, ref); - if ((k >>= 1) != 0) { /* Handle trailing bits. */ - TRef tmp = emitir(IRTN(IR_MUL), ref, ref); - for (; k != 1; k >>= 1) { - if (k & 1) - ref = emitir(IRTN(IR_MUL), ref, tmp); - tmp = emitir(IRTN(IR_MUL), tmp, tmp); - } - ref = emitir(IRTN(IR_MUL), ref, tmp); - } - return ref; -} - -LJFOLD(POW KNUM any) -LJFOLDF(simplify_numpow_kx) -{ - lua_Number n = knumleft; - if (n == 2.0) { /* 2.0 ^ i ==> ldexp(1.0, tonum(i)) */ - fins->o = IR_CONV; -#if LJ_TARGET_X86ORX64 - fins->op1 = fins->op2; - fins->op2 = IRCONV_NUM_INT; - fins->op2 = (IRRef1)lj_opt_fold(J); -#endif - fins->op1 = (IRRef1)lj_ir_knum_one(J); - fins->o = IR_LDEXP; - return RETRYFOLD; - } - return NEXTFOLD; -} - -/* -- Simplify conversions ------------------------------------------------ */ - -LJFOLD(CONV CONV IRCONV_NUM_INT) /* _NUM */ -LJFOLDF(shortcut_conv_num_int) -{ - PHIBARRIER(fleft); - /* Only safe with a guarded conversion to int. */ - if ((fleft->op2 & IRCONV_SRCMASK) == IRT_NUM && irt_isguard(fleft->t)) - return fleft->op1; /* f(g(x)) ==> x */ - return NEXTFOLD; -} - -LJFOLD(CONV CONV IRCONV_INT_NUM) /* _INT */ -LJFOLDF(simplify_conv_int_num) -{ - /* Fold even across PHI to avoid expensive num->int conversions in loop. */ - if ((fleft->op2 & IRCONV_SRCMASK) == IRT_INT) - return fleft->op1; - return NEXTFOLD; -} - -LJFOLD(CONV CONV IRCONV_U32_NUM) /* _U32*/ -LJFOLDF(simplify_conv_u32_num) -{ - /* Fold even across PHI to avoid expensive num->int conversions in loop. */ - if ((fleft->op2 & IRCONV_SRCMASK) == IRT_U32) - return fleft->op1; - return NEXTFOLD; -} - -LJFOLD(CONV CONV IRCONV_I64_NUM) /* _INT or _U32*/ -LJFOLD(CONV CONV IRCONV_U64_NUM) /* _INT or _U32*/ -LJFOLDF(simplify_conv_i64_num) -{ - PHIBARRIER(fleft); - if ((fleft->op2 & IRCONV_SRCMASK) == IRT_INT) { - /* Reduce to a sign-extension. */ - fins->op1 = fleft->op1; - fins->op2 = ((IRT_I64<<5)|IRT_INT|IRCONV_SEXT); - return RETRYFOLD; - } else if ((fleft->op2 & IRCONV_SRCMASK) == IRT_U32) { -#if LJ_TARGET_X64 - return fleft->op1; -#else - /* Reduce to a zero-extension. */ - fins->op1 = fleft->op1; - fins->op2 = (IRT_I64<<5)|IRT_U32; - return RETRYFOLD; -#endif - } - return NEXTFOLD; -} - -LJFOLD(CONV CONV IRCONV_INT_I64) /* _INT */ -LJFOLD(CONV CONV IRCONV_INT_U64) /* _INT */ -LJFOLDF(simplify_conv_int_i64) -{ - PHIBARRIER(fleft); - if ((fleft->op2 & IRCONV_SRCMASK) == IRT_INT) - return fleft->op1; - return NEXTFOLD; -} - -LJFOLD(CONV CONV IRCONV_FLOAT_NUM) /* _FLOAT */ -LJFOLDF(simplify_conv_flt_num) -{ - PHIBARRIER(fleft); - if ((fleft->op2 & IRCONV_SRCMASK) == IRT_FLOAT) - return fleft->op1; - return NEXTFOLD; -} - -/* Shortcut TOBIT + IRT_NUM <- IRT_INT/IRT_U32 conversion. */ -LJFOLD(TOBIT CONV KNUM) -LJFOLDF(simplify_tobit_conv) -{ - if ((fleft->op2 & IRCONV_SRCMASK) == IRT_INT || - (fleft->op2 & IRCONV_SRCMASK) == IRT_U32) { - /* Fold even across PHI to avoid expensive num->int conversions in loop. */ - lua_assert(irt_isnum(fleft->t)); - return fleft->op1; - } - return NEXTFOLD; -} - -/* Shortcut floor/ceil/round + IRT_NUM <- IRT_INT/IRT_U32 conversion. */ -LJFOLD(FPMATH CONV IRFPM_FLOOR) -LJFOLD(FPMATH CONV IRFPM_CEIL) -LJFOLD(FPMATH CONV IRFPM_TRUNC) -LJFOLDF(simplify_floor_conv) -{ - if ((fleft->op2 & IRCONV_SRCMASK) == IRT_INT || - (fleft->op2 & IRCONV_SRCMASK) == IRT_U32) - return LEFTFOLD; - return NEXTFOLD; -} - -/* Strength reduction of widening. */ -LJFOLD(CONV any IRCONV_I64_INT) -LJFOLD(CONV any IRCONV_U64_INT) -LJFOLDF(simplify_conv_sext) -{ - IRRef ref = fins->op1; - int64_t ofs = 0; - if (!(fins->op2 & IRCONV_SEXT)) - return NEXTFOLD; - PHIBARRIER(fleft); - if (fleft->o == IR_XLOAD && (irt_isu8(fleft->t) || irt_isu16(fleft->t))) - goto ok_reduce; - if (fleft->o == IR_ADD && irref_isk(fleft->op2)) { - ofs = (int64_t)IR(fleft->op2)->i; - ref = fleft->op1; - } - /* Use scalar evolution analysis results to strength-reduce sign-extension. */ - if (ref == J->scev.idx) { - IRRef lo = J->scev.dir ? J->scev.start : J->scev.stop; - lua_assert(irt_isint(J->scev.t)); - if (lo && IR(lo)->i + ofs >= 0) { - ok_reduce: -#if LJ_TARGET_X64 - /* Eliminate widening. All 32 bit ops do an implicit zero-extension. */ - return LEFTFOLD; -#else - /* Reduce to a (cheaper) zero-extension. */ - fins->op2 &= ~IRCONV_SEXT; - return RETRYFOLD; -#endif - } - } - return NEXTFOLD; -} - -/* Strength reduction of narrowing. */ -LJFOLD(CONV ADD IRCONV_INT_I64) -LJFOLD(CONV SUB IRCONV_INT_I64) -LJFOLD(CONV MUL IRCONV_INT_I64) -LJFOLD(CONV ADD IRCONV_INT_U64) -LJFOLD(CONV SUB IRCONV_INT_U64) -LJFOLD(CONV MUL IRCONV_INT_U64) -LJFOLDF(simplify_conv_narrow) -{ - IROp op = (IROp)fleft->o; - IRRef op1 = fleft->op1, op2 = fleft->op2, mode = fins->op2; - PHIBARRIER(fleft); - op1 = emitir(IRTI(IR_CONV), op1, mode); - op2 = emitir(IRTI(IR_CONV), op2, mode); - fins->ot = IRTI(op); - fins->op1 = op1; - fins->op2 = op2; - return RETRYFOLD; -} - -/* Special CSE rule for CONV. */ -LJFOLD(CONV any any) -LJFOLDF(cse_conv) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_CSE)) { - IRRef op1 = fins->op1, op2 = (fins->op2 & IRCONV_MODEMASK); - uint8_t guard = irt_isguard(fins->t); - IRRef ref = J->chain[IR_CONV]; - while (ref > op1) { - IRIns *ir = IR(ref); - /* Commoning with stronger checks is ok. */ - if (ir->op1 == op1 && (ir->op2 & IRCONV_MODEMASK) == op2 && - irt_isguard(ir->t) >= guard) - return ref; - ref = ir->prev; - } - } - return EMITFOLD; /* No fallthrough to regular CSE. */ -} - -/* FP conversion narrowing. */ -LJFOLD(TOBIT ADD KNUM) -LJFOLD(TOBIT SUB KNUM) -LJFOLD(CONV ADD IRCONV_INT_NUM) -LJFOLD(CONV SUB IRCONV_INT_NUM) -LJFOLD(CONV ADD IRCONV_I64_NUM) -LJFOLD(CONV SUB IRCONV_I64_NUM) -LJFOLDF(narrow_convert) -{ - PHIBARRIER(fleft); - /* Narrowing ignores PHIs and repeating it inside the loop is not useful. */ - if (J->chain[IR_LOOP]) - return NEXTFOLD; - lua_assert(fins->o != IR_CONV || (fins->op2&IRCONV_CONVMASK) != IRCONV_TOBIT); - return lj_opt_narrow_convert(J); -} - -/* -- Integer algebraic simplifications ----------------------------------- */ - -LJFOLD(ADD any KINT) -LJFOLD(ADDOV any KINT) -LJFOLD(SUBOV any KINT) -LJFOLDF(simplify_intadd_k) -{ - if (fright->i == 0) /* i o 0 ==> i */ - return LEFTFOLD; - return NEXTFOLD; -} - -LJFOLD(MULOV any KINT) -LJFOLDF(simplify_intmul_k) -{ - if (fright->i == 0) /* i * 0 ==> 0 */ - return RIGHTFOLD; - if (fright->i == 1) /* i * 1 ==> i */ - return LEFTFOLD; - if (fright->i == 2) { /* i * 2 ==> i + i */ - fins->o = IR_ADDOV; - fins->op2 = fins->op1; - return RETRYFOLD; - } - return NEXTFOLD; -} - -LJFOLD(SUB any KINT) -LJFOLDF(simplify_intsub_k) -{ - if (fright->i == 0) /* i - 0 ==> i */ - return LEFTFOLD; - fins->o = IR_ADD; /* i - k ==> i + (-k) */ - fins->op2 = (IRRef1)lj_ir_kint(J, -fright->i); /* Overflow for -2^31 ok. */ - return RETRYFOLD; -} - -LJFOLD(SUB KINT any) -LJFOLD(SUB KINT64 any) -LJFOLDF(simplify_intsub_kleft) -{ - if (fleft->o == IR_KINT ? (fleft->i == 0) : (ir_kint64(fleft)->u64 == 0)) { - fins->o = IR_NEG; /* 0 - i ==> -i */ - fins->op1 = fins->op2; - return RETRYFOLD; - } - return NEXTFOLD; -} - -LJFOLD(ADD any KINT64) -LJFOLDF(simplify_intadd_k64) -{ - if (ir_kint64(fright)->u64 == 0) /* i + 0 ==> i */ - return LEFTFOLD; - return NEXTFOLD; -} - -LJFOLD(SUB any KINT64) -LJFOLDF(simplify_intsub_k64) -{ - uint64_t k = ir_kint64(fright)->u64; - if (k == 0) /* i - 0 ==> i */ - return LEFTFOLD; - fins->o = IR_ADD; /* i - k ==> i + (-k) */ - fins->op2 = (IRRef1)lj_ir_kint64(J, (uint64_t)-(int64_t)k); - return RETRYFOLD; -} - -static TRef simplify_intmul_k(jit_State *J, int32_t k) -{ - /* Note: many more simplifications are possible, e.g. 2^k1 +- 2^k2. - ** But this is mainly intended for simple address arithmetic. - ** Also it's easier for the backend to optimize the original multiplies. - */ - if (k == 1) { /* i * 1 ==> i */ - return LEFTFOLD; - } else if ((k & (k-1)) == 0) { /* i * 2^k ==> i << k */ - fins->o = IR_BSHL; - fins->op2 = lj_ir_kint(J, lj_fls((uint32_t)k)); - return RETRYFOLD; - } - return NEXTFOLD; -} - -LJFOLD(MUL any KINT) -LJFOLDF(simplify_intmul_k32) -{ - if (fright->i == 0) /* i * 0 ==> 0 */ - return INTFOLD(0); - else if (fright->i > 0) - return simplify_intmul_k(J, fright->i); - return NEXTFOLD; -} - -LJFOLD(MUL any KINT64) -LJFOLDF(simplify_intmul_k64) -{ - if (ir_kint64(fright)->u64 == 0) /* i * 0 ==> 0 */ - return INT64FOLD(0); -#if LJ_64 - /* NYI: SPLIT for BSHL and 32 bit backend support. */ - else if (ir_kint64(fright)->u64 < 0x80000000u) - return simplify_intmul_k(J, (int32_t)ir_kint64(fright)->u64); -#endif - return NEXTFOLD; -} - -LJFOLD(MOD any KINT) -LJFOLDF(simplify_intmod_k) -{ - int32_t k = fright->i; - lua_assert(k != 0); - if (k > 0 && (k & (k-1)) == 0) { /* i % (2^k) ==> i & (2^k-1) */ - fins->o = IR_BAND; - fins->op2 = lj_ir_kint(J, k-1); - return RETRYFOLD; - } - return NEXTFOLD; -} - -LJFOLD(MOD KINT any) -LJFOLDF(simplify_intmod_kleft) -{ - if (fleft->i == 0) - return INTFOLD(0); - return NEXTFOLD; -} - -LJFOLD(SUB any any) -LJFOLD(SUBOV any any) -LJFOLDF(simplify_intsub) -{ - if (fins->op1 == fins->op2 && !irt_isnum(fins->t)) /* i - i ==> 0 */ - return irt_is64(fins->t) ? INT64FOLD(0) : INTFOLD(0); - return NEXTFOLD; -} - -LJFOLD(SUB ADD any) -LJFOLDF(simplify_intsubadd_leftcancel) -{ - if (!irt_isnum(fins->t)) { - PHIBARRIER(fleft); - if (fins->op2 == fleft->op1) /* (i + j) - i ==> j */ - return fleft->op2; - if (fins->op2 == fleft->op2) /* (i + j) - j ==> i */ - return fleft->op1; - } - return NEXTFOLD; -} - -LJFOLD(SUB SUB any) -LJFOLDF(simplify_intsubsub_leftcancel) -{ - if (!irt_isnum(fins->t)) { - PHIBARRIER(fleft); - if (fins->op1 == fleft->op1) { /* (i - j) - i ==> 0 - j */ - fins->op1 = (IRRef1)lj_ir_kint(J, 0); - fins->op2 = fleft->op2; - return RETRYFOLD; - } - } - return NEXTFOLD; -} - -LJFOLD(SUB any SUB) -LJFOLDF(simplify_intsubsub_rightcancel) -{ - if (!irt_isnum(fins->t)) { - PHIBARRIER(fright); - if (fins->op1 == fright->op1) /* i - (i - j) ==> j */ - return fright->op2; - } - return NEXTFOLD; -} - -LJFOLD(SUB any ADD) -LJFOLDF(simplify_intsubadd_rightcancel) -{ - if (!irt_isnum(fins->t)) { - PHIBARRIER(fright); - if (fins->op1 == fright->op1) { /* i - (i + j) ==> 0 - j */ - fins->op2 = fright->op2; - fins->op1 = (IRRef1)lj_ir_kint(J, 0); - return RETRYFOLD; - } - if (fins->op1 == fright->op2) { /* i - (j + i) ==> 0 - j */ - fins->op2 = fright->op1; - fins->op1 = (IRRef1)lj_ir_kint(J, 0); - return RETRYFOLD; - } - } - return NEXTFOLD; -} - -LJFOLD(SUB ADD ADD) -LJFOLDF(simplify_intsubaddadd_cancel) -{ - if (!irt_isnum(fins->t)) { - PHIBARRIER(fleft); - PHIBARRIER(fright); - if (fleft->op1 == fright->op1) { /* (i + j1) - (i + j2) ==> j1 - j2 */ - fins->op1 = fleft->op2; - fins->op2 = fright->op2; - return RETRYFOLD; - } - if (fleft->op1 == fright->op2) { /* (i + j1) - (j2 + i) ==> j1 - j2 */ - fins->op1 = fleft->op2; - fins->op2 = fright->op1; - return RETRYFOLD; - } - if (fleft->op2 == fright->op1) { /* (j1 + i) - (i + j2) ==> j1 - j2 */ - fins->op1 = fleft->op1; - fins->op2 = fright->op2; - return RETRYFOLD; - } - if (fleft->op2 == fright->op2) { /* (j1 + i) - (j2 + i) ==> j1 - j2 */ - fins->op1 = fleft->op1; - fins->op2 = fright->op1; - return RETRYFOLD; - } - } - return NEXTFOLD; -} - -LJFOLD(BAND any KINT) -LJFOLD(BAND any KINT64) -LJFOLDF(simplify_band_k) -{ - int64_t k = fright->o == IR_KINT ? (int64_t)fright->i : - (int64_t)ir_k64(fright)->u64; - if (k == 0) /* i & 0 ==> 0 */ - return RIGHTFOLD; - if (k == -1) /* i & -1 ==> i */ - return LEFTFOLD; - return NEXTFOLD; -} - -LJFOLD(BOR any KINT) -LJFOLD(BOR any KINT64) -LJFOLDF(simplify_bor_k) -{ - int64_t k = fright->o == IR_KINT ? (int64_t)fright->i : - (int64_t)ir_k64(fright)->u64; - if (k == 0) /* i | 0 ==> i */ - return LEFTFOLD; - if (k == -1) /* i | -1 ==> -1 */ - return RIGHTFOLD; - return NEXTFOLD; -} - -LJFOLD(BXOR any KINT) -LJFOLD(BXOR any KINT64) -LJFOLDF(simplify_bxor_k) -{ - int64_t k = fright->o == IR_KINT ? (int64_t)fright->i : - (int64_t)ir_k64(fright)->u64; - if (k == 0) /* i xor 0 ==> i */ - return LEFTFOLD; - if (k == -1) { /* i xor -1 ==> ~i */ - fins->o = IR_BNOT; - fins->op2 = 0; - return RETRYFOLD; - } - return NEXTFOLD; -} - -LJFOLD(BSHL any KINT) -LJFOLD(BSHR any KINT) -LJFOLD(BSAR any KINT) -LJFOLD(BROL any KINT) -LJFOLD(BROR any KINT) -LJFOLDF(simplify_shift_ik) -{ - int32_t mask = irt_is64(fins->t) ? 63 : 31; - int32_t k = (fright->i & mask); - if (k == 0) /* i o 0 ==> i */ - return LEFTFOLD; - if (k == 1 && fins->o == IR_BSHL) { /* i << 1 ==> i + i */ - fins->o = IR_ADD; - fins->op2 = fins->op1; - return RETRYFOLD; - } - if (k != fright->i) { /* i o k ==> i o (k & mask) */ - fins->op2 = (IRRef1)lj_ir_kint(J, k); - return RETRYFOLD; - } -#ifndef LJ_TARGET_UNIFYROT - if (fins->o == IR_BROR) { /* bror(i, k) ==> brol(i, (-k)&mask) */ - fins->o = IR_BROL; - fins->op2 = (IRRef1)lj_ir_kint(J, (-k)&mask); - return RETRYFOLD; - } -#endif - return NEXTFOLD; -} - -LJFOLD(BSHL any BAND) -LJFOLD(BSHR any BAND) -LJFOLD(BSAR any BAND) -LJFOLD(BROL any BAND) -LJFOLD(BROR any BAND) -LJFOLDF(simplify_shift_andk) -{ - IRIns *irk = IR(fright->op2); - PHIBARRIER(fright); - if ((fins->o < IR_BROL ? LJ_TARGET_MASKSHIFT : LJ_TARGET_MASKROT) && - irk->o == IR_KINT) { /* i o (j & mask) ==> i o j */ - int32_t mask = irt_is64(fins->t) ? 63 : 31; - int32_t k = irk->i & mask; - if (k == mask) { - fins->op2 = fright->op1; - return RETRYFOLD; - } - } - return NEXTFOLD; -} - -LJFOLD(BSHL KINT any) -LJFOLD(BSHR KINT any) -LJFOLD(BSHL KINT64 any) -LJFOLD(BSHR KINT64 any) -LJFOLDF(simplify_shift1_ki) -{ - int64_t k = fleft->o == IR_KINT ? (int64_t)fleft->i : - (int64_t)ir_k64(fleft)->u64; - if (k == 0) /* 0 o i ==> 0 */ - return LEFTFOLD; - return NEXTFOLD; -} - -LJFOLD(BSAR KINT any) -LJFOLD(BROL KINT any) -LJFOLD(BROR KINT any) -LJFOLD(BSAR KINT64 any) -LJFOLD(BROL KINT64 any) -LJFOLD(BROR KINT64 any) -LJFOLDF(simplify_shift2_ki) -{ - int64_t k = fleft->o == IR_KINT ? (int64_t)fleft->i : - (int64_t)ir_k64(fleft)->u64; - if (k == 0 || k == -1) /* 0 o i ==> 0; -1 o i ==> -1 */ - return LEFTFOLD; - return NEXTFOLD; -} - -LJFOLD(BSHL BAND KINT) -LJFOLD(BSHR BAND KINT) -LJFOLD(BROL BAND KINT) -LJFOLD(BROR BAND KINT) -LJFOLDF(simplify_shiftk_andk) -{ - IRIns *irk = IR(fleft->op2); - PHIBARRIER(fleft); - if (irk->o == IR_KINT) { /* (i & k1) o k2 ==> (i o k2) & (k1 o k2) */ - int32_t k = kfold_intop(irk->i, fright->i, (IROp)fins->o); - fins->op1 = fleft->op1; - fins->op1 = (IRRef1)lj_opt_fold(J); - fins->op2 = (IRRef1)lj_ir_kint(J, k); - fins->ot = IRTI(IR_BAND); - return RETRYFOLD; - } - return NEXTFOLD; -} - -LJFOLD(BAND BSHL KINT) -LJFOLD(BAND BSHR KINT) -LJFOLDF(simplify_andk_shiftk) -{ - IRIns *irk = IR(fleft->op2); - if (irk->o == IR_KINT && - kfold_intop(-1, irk->i, (IROp)fleft->o) == fright->i) - return LEFTFOLD; /* (i o k1) & k2 ==> i, if (-1 o k1) == k2 */ - return NEXTFOLD; -} - -/* -- Reassociation ------------------------------------------------------- */ - -LJFOLD(ADD ADD KINT) -LJFOLD(MUL MUL KINT) -LJFOLD(BAND BAND KINT) -LJFOLD(BOR BOR KINT) -LJFOLD(BXOR BXOR KINT) -LJFOLDF(reassoc_intarith_k) -{ - IRIns *irk = IR(fleft->op2); - if (irk->o == IR_KINT) { - int32_t k = kfold_intop(irk->i, fright->i, (IROp)fins->o); - if (k == irk->i) /* (i o k1) o k2 ==> i o k1, if (k1 o k2) == k1. */ - return LEFTFOLD; - PHIBARRIER(fleft); - fins->op1 = fleft->op1; - fins->op2 = (IRRef1)lj_ir_kint(J, k); - return RETRYFOLD; /* (i o k1) o k2 ==> i o (k1 o k2) */ - } - return NEXTFOLD; -} - -LJFOLD(ADD ADD KINT64) -LJFOLD(MUL MUL KINT64) -LJFOLD(BAND BAND KINT64) -LJFOLD(BOR BOR KINT64) -LJFOLD(BXOR BXOR KINT64) -LJFOLDF(reassoc_intarith_k64) -{ -#if LJ_HASFFI || LJ_64 - IRIns *irk = IR(fleft->op2); - if (irk->o == IR_KINT64) { - uint64_t k = kfold_int64arith(ir_k64(irk)->u64, - ir_k64(fright)->u64, (IROp)fins->o); - PHIBARRIER(fleft); - fins->op1 = fleft->op1; - fins->op2 = (IRRef1)lj_ir_kint64(J, k); - return RETRYFOLD; /* (i o k1) o k2 ==> i o (k1 o k2) */ - } - return NEXTFOLD; -#else - UNUSED(J); lua_assert(0); return FAILFOLD; -#endif -} - -LJFOLD(MIN MIN any) -LJFOLD(MAX MAX any) -LJFOLD(BAND BAND any) -LJFOLD(BOR BOR any) -LJFOLDF(reassoc_dup) -{ - if (fins->op2 == fleft->op1 || fins->op2 == fleft->op2) - return LEFTFOLD; /* (a o b) o a ==> a o b; (a o b) o b ==> a o b */ - return NEXTFOLD; -} - -LJFOLD(BXOR BXOR any) -LJFOLDF(reassoc_bxor) -{ - PHIBARRIER(fleft); - if (fins->op2 == fleft->op1) /* (a xor b) xor a ==> b */ - return fleft->op2; - if (fins->op2 == fleft->op2) /* (a xor b) xor b ==> a */ - return fleft->op1; - return NEXTFOLD; -} - -LJFOLD(BSHL BSHL KINT) -LJFOLD(BSHR BSHR KINT) -LJFOLD(BSAR BSAR KINT) -LJFOLD(BROL BROL KINT) -LJFOLD(BROR BROR KINT) -LJFOLDF(reassoc_shift) -{ - IRIns *irk = IR(fleft->op2); - PHIBARRIER(fleft); /* The (shift any KINT) rule covers k2 == 0 and more. */ - if (irk->o == IR_KINT) { /* (i o k1) o k2 ==> i o (k1 + k2) */ - int32_t mask = irt_is64(fins->t) ? 63 : 31; - int32_t k = (irk->i & mask) + (fright->i & mask); - if (k > mask) { /* Combined shift too wide? */ - if (fins->o == IR_BSHL || fins->o == IR_BSHR) - return mask == 31 ? INTFOLD(0) : INT64FOLD(0); - else if (fins->o == IR_BSAR) - k = mask; - else - k &= mask; - } - fins->op1 = fleft->op1; - fins->op2 = (IRRef1)lj_ir_kint(J, k); - return RETRYFOLD; - } - return NEXTFOLD; -} - -LJFOLD(MIN MIN KNUM) -LJFOLD(MAX MAX KNUM) -LJFOLD(MIN MIN KINT) -LJFOLD(MAX MAX KINT) -LJFOLDF(reassoc_minmax_k) -{ - IRIns *irk = IR(fleft->op2); - if (irk->o == IR_KNUM) { - lua_Number a = ir_knum(irk)->n; - lua_Number y = lj_vm_foldarith(a, knumright, fins->o - IR_ADD); - if (a == y) /* (x o k1) o k2 ==> x o k1, if (k1 o k2) == k1. */ - return LEFTFOLD; - PHIBARRIER(fleft); - fins->op1 = fleft->op1; - fins->op2 = (IRRef1)lj_ir_knum(J, y); - return RETRYFOLD; /* (x o k1) o k2 ==> x o (k1 o k2) */ - } else if (irk->o == IR_KINT) { - int32_t a = irk->i; - int32_t y = kfold_intop(a, fright->i, fins->o); - if (a == y) /* (x o k1) o k2 ==> x o k1, if (k1 o k2) == k1. */ - return LEFTFOLD; - PHIBARRIER(fleft); - fins->op1 = fleft->op1; - fins->op2 = (IRRef1)lj_ir_kint(J, y); - return RETRYFOLD; /* (x o k1) o k2 ==> x o (k1 o k2) */ - } - return NEXTFOLD; -} - -LJFOLD(MIN MAX any) -LJFOLD(MAX MIN any) -LJFOLDF(reassoc_minmax_left) -{ - if (fins->op2 == fleft->op1 || fins->op2 == fleft->op2) - return RIGHTFOLD; /* (b o1 a) o2 b ==> b; (a o1 b) o2 b ==> b */ - return NEXTFOLD; -} - -LJFOLD(MIN any MAX) -LJFOLD(MAX any MIN) -LJFOLDF(reassoc_minmax_right) -{ - if (fins->op1 == fright->op1 || fins->op1 == fright->op2) - return LEFTFOLD; /* a o2 (a o1 b) ==> a; a o2 (b o1 a) ==> a */ - return NEXTFOLD; -} - -/* -- Array bounds check elimination -------------------------------------- */ - -/* Eliminate ABC across PHIs to handle t[i-1] forwarding case. -** ABC(asize, (i+k)+(-k)) ==> ABC(asize, i), but only if it already exists. -** Could be generalized to (i+k1)+k2 ==> i+(k1+k2), but needs better disambig. -*/ -LJFOLD(ABC any ADD) -LJFOLDF(abc_fwd) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_ABC)) { - if (irref_isk(fright->op2)) { - IRIns *add2 = IR(fright->op1); - if (add2->o == IR_ADD && irref_isk(add2->op2) && - IR(fright->op2)->i == -IR(add2->op2)->i) { - IRRef ref = J->chain[IR_ABC]; - IRRef lim = add2->op1; - if (fins->op1 > lim) lim = fins->op1; - while (ref > lim) { - IRIns *ir = IR(ref); - if (ir->op1 == fins->op1 && ir->op2 == add2->op1) - return DROPFOLD; - ref = ir->prev; - } - } - } - } - return NEXTFOLD; -} - -/* Eliminate ABC for constants. -** ABC(asize, k1), ABC(asize k2) ==> ABC(asize, max(k1, k2)) -** Drop second ABC if k2 is lower. Otherwise patch first ABC with k2. -*/ -LJFOLD(ABC any KINT) -LJFOLDF(abc_k) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_ABC)) { - IRRef ref = J->chain[IR_ABC]; - IRRef asize = fins->op1; - while (ref > asize) { - IRIns *ir = IR(ref); - if (ir->op1 == asize && irref_isk(ir->op2)) { - int32_t k = IR(ir->op2)->i; - if (fright->i > k) - ir->op2 = fins->op2; - return DROPFOLD; - } - ref = ir->prev; - } - return EMITFOLD; /* Already performed CSE. */ - } - return NEXTFOLD; -} - -/* Eliminate invariant ABC inside loop. */ -LJFOLD(ABC any any) -LJFOLDF(abc_invar) -{ - if (!irt_isint(fins->t) && J->chain[IR_LOOP]) /* Currently marked as PTR. */ - return DROPFOLD; - return NEXTFOLD; -} - -/* -- Commutativity ------------------------------------------------------- */ - -/* The refs of commutative ops are canonicalized. Lower refs go to the right. -** Rationale behind this: -** - It (also) moves constants to the right. -** - It reduces the number of FOLD rules (e.g. (BOR any KINT) suffices). -** - It helps CSE to find more matches. -** - The assembler generates better code with constants at the right. -*/ - -LJFOLD(ADD any any) -LJFOLD(MUL any any) -LJFOLD(ADDOV any any) -LJFOLD(MULOV any any) -LJFOLDF(comm_swap) -{ - if (fins->op1 < fins->op2) { /* Move lower ref to the right. */ - IRRef1 tmp = fins->op1; - fins->op1 = fins->op2; - fins->op2 = tmp; - return RETRYFOLD; - } - return NEXTFOLD; -} - -LJFOLD(EQ any any) -LJFOLD(NE any any) -LJFOLDF(comm_equal) -{ - /* For non-numbers only: x == x ==> drop; x ~= x ==> fail */ - if (fins->op1 == fins->op2 && !irt_isnum(fins->t)) - return CONDFOLD(fins->o == IR_EQ); - return fold_comm_swap(J); -} - -LJFOLD(LT any any) -LJFOLD(GE any any) -LJFOLD(LE any any) -LJFOLD(GT any any) -LJFOLD(ULT any any) -LJFOLD(UGE any any) -LJFOLD(ULE any any) -LJFOLD(UGT any any) -LJFOLDF(comm_comp) -{ - /* For non-numbers only: x <=> x ==> drop; x <> x ==> fail */ - if (fins->op1 == fins->op2 && !irt_isnum(fins->t)) - return CONDFOLD((fins->o ^ (fins->o >> 1)) & 1); - if (fins->op1 < fins->op2) { /* Move lower ref to the right. */ - IRRef1 tmp = fins->op1; - fins->op1 = fins->op2; - fins->op2 = tmp; - fins->o ^= 3; /* GT <-> LT, GE <-> LE, does not affect U */ - return RETRYFOLD; - } - return NEXTFOLD; -} - -LJFOLD(BAND any any) -LJFOLD(BOR any any) -LJFOLD(MIN any any) -LJFOLD(MAX any any) -LJFOLDF(comm_dup) -{ - if (fins->op1 == fins->op2) /* x o x ==> x */ - return LEFTFOLD; - return fold_comm_swap(J); -} - -LJFOLD(BXOR any any) -LJFOLDF(comm_bxor) -{ - if (fins->op1 == fins->op2) /* i xor i ==> 0 */ - return irt_is64(fins->t) ? INT64FOLD(0) : INTFOLD(0); - return fold_comm_swap(J); -} - -/* -- Simplification of compound expressions ------------------------------ */ - -static TRef kfold_xload(jit_State *J, IRIns *ir, const void *p) -{ - int32_t k; - switch (irt_type(ir->t)) { - case IRT_NUM: return lj_ir_knum_u64(J, *(uint64_t *)p); - case IRT_I8: k = (int32_t)*(int8_t *)p; break; - case IRT_U8: k = (int32_t)*(uint8_t *)p; break; - case IRT_I16: k = (int32_t)(int16_t)lj_getu16(p); break; - case IRT_U16: k = (int32_t)(uint16_t)lj_getu16(p); break; - case IRT_INT: case IRT_U32: k = (int32_t)lj_getu32(p); break; - case IRT_I64: case IRT_U64: return lj_ir_kint64(J, *(uint64_t *)p); - default: return 0; - } - return lj_ir_kint(J, k); -} - -/* Turn: string.sub(str, a, b) == kstr -** into: string.byte(str, a) == string.byte(kstr, 1) etc. -** Note: this creates unaligned XLOADs on x86/x64. -*/ -LJFOLD(EQ SNEW KGC) -LJFOLD(NE SNEW KGC) -LJFOLDF(merge_eqne_snew_kgc) -{ - GCstr *kstr = ir_kstr(fright); - int32_t len = (int32_t)kstr->len; - lua_assert(irt_isstr(fins->t)); - -#if LJ_TARGET_X86ORX64 -#define FOLD_SNEW_MAX_LEN 4 /* Handle string lengths 0, 1, 2, 3, 4. */ -#define FOLD_SNEW_TYPE8 IRT_I8 /* Creates shorter immediates. */ -#else -#define FOLD_SNEW_MAX_LEN 1 /* Handle string lengths 0 or 1. */ -#define FOLD_SNEW_TYPE8 IRT_U8 /* Prefer unsigned loads. */ -#endif - - if (len <= FOLD_SNEW_MAX_LEN) { - IROp op = (IROp)fins->o; - IRRef strref = fleft->op1; - lua_assert(IR(strref)->o == IR_STRREF); - if (op == IR_EQ) { - emitir(IRTGI(IR_EQ), fleft->op2, lj_ir_kint(J, len)); - /* Caveat: fins/fleft/fright is no longer valid after emitir. */ - } else { - /* NE is not expanded since this would need an OR of two conds. */ - if (!irref_isk(fleft->op2)) /* Only handle the constant length case. */ - return NEXTFOLD; - if (IR(fleft->op2)->i != len) - return DROPFOLD; - } - if (len > 0) { - /* A 4 byte load for length 3 is ok -- all strings have an extra NUL. */ - uint16_t ot = (uint16_t)(len == 1 ? IRT(IR_XLOAD, FOLD_SNEW_TYPE8) : - len == 2 ? IRT(IR_XLOAD, IRT_U16) : - IRTI(IR_XLOAD)); - TRef tmp = emitir(ot, strref, - IRXLOAD_READONLY | (len > 1 ? IRXLOAD_UNALIGNED : 0)); - TRef val = kfold_xload(J, IR(tref_ref(tmp)), strdata(kstr)); - if (len == 3) - tmp = emitir(IRTI(IR_BAND), tmp, - lj_ir_kint(J, LJ_ENDIAN_SELECT(0x00ffffff, 0xffffff00))); - fins->op1 = (IRRef1)tmp; - fins->op2 = (IRRef1)val; - fins->ot = (IROpT)IRTGI(op); - return RETRYFOLD; - } else { - return DROPFOLD; - } - } - return NEXTFOLD; -} - -/* -- Loads --------------------------------------------------------------- */ - -/* Loads cannot be folded or passed on to CSE in general. -** Alias analysis is needed to check for forwarding opportunities. -** -** Caveat: *all* loads must be listed here or they end up at CSE! -*/ - -LJFOLD(ALOAD any) -LJFOLDX(lj_opt_fwd_aload) - -/* From HREF fwd (see below). Must eliminate, not supported by fwd/backend. */ -LJFOLD(HLOAD KKPTR) -LJFOLDF(kfold_hload_kkptr) -{ - UNUSED(J); - lua_assert(ir_kptr(fleft) == niltvg(J2G(J))); - return TREF_NIL; -} - -LJFOLD(HLOAD any) -LJFOLDX(lj_opt_fwd_hload) - -LJFOLD(ULOAD any) -LJFOLDX(lj_opt_fwd_uload) - -LJFOLD(CALLL any IRCALL_lj_tab_len) -LJFOLDX(lj_opt_fwd_tab_len) - -/* Upvalue refs are really loads, but there are no corresponding stores. -** So CSE is ok for them, except for UREFO across a GC step (see below). -** If the referenced function is const, its upvalue addresses are const, too. -** This can be used to improve CSE by looking for the same address, -** even if the upvalues originate from a different function. -*/ -LJFOLD(UREFO KGC any) -LJFOLD(UREFC KGC any) -LJFOLDF(cse_uref) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_CSE)) { - IRRef ref = J->chain[fins->o]; - GCfunc *fn = ir_kfunc(fleft); - GCupval *uv = gco2uv(gcref(fn->l.uvptr[(fins->op2 >> 8)])); - while (ref > 0) { - IRIns *ir = IR(ref); - if (irref_isk(ir->op1)) { - GCfunc *fn2 = ir_kfunc(IR(ir->op1)); - if (gco2uv(gcref(fn2->l.uvptr[(ir->op2 >> 8)])) == uv) { - if (fins->o == IR_UREFO && gcstep_barrier(J, ref)) - break; - return ref; - } - } - ref = ir->prev; - } - } - return EMITFOLD; -} - -LJFOLD(HREF TNEW any) -LJFOLDF(fwd_href_tnew) -{ - if (lj_opt_fwd_href_nokey(J)) - return lj_ir_kkptr(J, niltvg(J2G(J))); - return NEXTFOLD; -} - -LJFOLD(HREF TDUP KPRI) -LJFOLD(HREF TDUP KGC) -LJFOLD(HREF TDUP KNUM) -LJFOLDF(fwd_href_tdup) -{ - TValue keyv; - lj_ir_kvalue(J->L, &keyv, fright); - if (lj_tab_get(J->L, ir_ktab(IR(fleft->op1)), &keyv) == niltvg(J2G(J)) && - lj_opt_fwd_href_nokey(J)) - return lj_ir_kkptr(J, niltvg(J2G(J))); - return NEXTFOLD; -} - -/* We can safely FOLD/CSE array/hash refs and field loads, since there -** are no corresponding stores. But we need to check for any NEWREF with -** an aliased table, as it may invalidate all of the pointers and fields. -** Only HREF needs the NEWREF check -- AREF and HREFK already depend on -** FLOADs. And NEWREF itself is treated like a store (see below). -*/ -LJFOLD(FLOAD TNEW IRFL_TAB_ASIZE) -LJFOLDF(fload_tab_tnew_asize) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_FOLD) && lj_opt_fwd_tptr(J, fins->op1)) - return INTFOLD(fleft->op1); - return NEXTFOLD; -} - -LJFOLD(FLOAD TNEW IRFL_TAB_HMASK) -LJFOLDF(fload_tab_tnew_hmask) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_FOLD) && lj_opt_fwd_tptr(J, fins->op1)) - return INTFOLD((1 << fleft->op2)-1); - return NEXTFOLD; -} - -LJFOLD(FLOAD TDUP IRFL_TAB_ASIZE) -LJFOLDF(fload_tab_tdup_asize) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_FOLD) && lj_opt_fwd_tptr(J, fins->op1)) - return INTFOLD((int32_t)ir_ktab(IR(fleft->op1))->asize); - return NEXTFOLD; -} - -LJFOLD(FLOAD TDUP IRFL_TAB_HMASK) -LJFOLDF(fload_tab_tdup_hmask) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_FOLD) && lj_opt_fwd_tptr(J, fins->op1)) - return INTFOLD((int32_t)ir_ktab(IR(fleft->op1))->hmask); - return NEXTFOLD; -} - -LJFOLD(HREF any any) -LJFOLD(FLOAD any IRFL_TAB_ARRAY) -LJFOLD(FLOAD any IRFL_TAB_NODE) -LJFOLD(FLOAD any IRFL_TAB_ASIZE) -LJFOLD(FLOAD any IRFL_TAB_HMASK) -LJFOLDF(fload_tab_ah) -{ - TRef tr = lj_opt_cse(J); - return lj_opt_fwd_tptr(J, tref_ref(tr)) ? tr : EMITFOLD; -} - -/* Strings are immutable, so we can safely FOLD/CSE the related FLOAD. */ -LJFOLD(FLOAD KGC IRFL_STR_LEN) -LJFOLDF(fload_str_len_kgc) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_FOLD)) - return INTFOLD((int32_t)ir_kstr(fleft)->len); - return NEXTFOLD; -} - -LJFOLD(FLOAD SNEW IRFL_STR_LEN) -LJFOLDF(fload_str_len_snew) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_FOLD)) { - PHIBARRIER(fleft); - return fleft->op2; - } - return NEXTFOLD; -} - -/* The C type ID of cdata objects is immutable. */ -LJFOLD(FLOAD KGC IRFL_CDATA_TYPEID) -LJFOLDF(fload_cdata_typeid_kgc) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_FOLD)) - return INTFOLD((int32_t)ir_kcdata(fleft)->typeid); - return NEXTFOLD; -} - -/* Get the contents of immutable cdata objects. */ -LJFOLD(FLOAD KGC IRFL_CDATA_PTR) -LJFOLD(FLOAD KGC IRFL_CDATA_INT64) -LJFOLDF(fload_cdata_int64_kgc) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_FOLD)) { - void *p = cdataptr(ir_kcdata(fleft)); - if (irt_is64(fins->t)) - return INT64FOLD(*(uint64_t *)p); - else - return INTFOLD(*(int32_t *)p); - } - return NEXTFOLD; -} - -LJFOLD(FLOAD CNEW IRFL_CDATA_TYPEID) -LJFOLD(FLOAD CNEWI IRFL_CDATA_TYPEID) -LJFOLDF(fload_cdata_typeid_cnew) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_FOLD)) - return fleft->op1; /* No PHI barrier needed. CNEW/CNEWI op1 is const. */ - return NEXTFOLD; -} - -/* Pointer and int64 cdata objects are immutable. */ -LJFOLD(FLOAD CNEWI IRFL_CDATA_PTR) -LJFOLD(FLOAD CNEWI IRFL_CDATA_INT64) -LJFOLDF(fload_cdata_ptr_int64_cnew) -{ - if (LJ_LIKELY(J->flags & JIT_F_OPT_FOLD)) - return fleft->op2; /* Fold even across PHI to avoid allocations. */ - return NEXTFOLD; -} - -LJFOLD(FLOAD any IRFL_STR_LEN) -LJFOLD(FLOAD any IRFL_CDATA_TYPEID) -LJFOLD(FLOAD any IRFL_CDATA_PTR) -LJFOLD(FLOAD any IRFL_CDATA_INT64) -LJFOLD(VLOAD any any) /* Vararg loads have no corresponding stores. */ -LJFOLDX(lj_opt_cse) - -/* All other field loads need alias analysis. */ -LJFOLD(FLOAD any any) -LJFOLDX(lj_opt_fwd_fload) - -/* This is for LOOP only. Recording handles SLOADs internally. */ -LJFOLD(SLOAD any any) -LJFOLDF(fwd_sload) -{ - if ((fins->op2 & IRSLOAD_FRAME)) { - TRef tr = lj_opt_cse(J); - return tref_ref(tr) < J->chain[IR_RETF] ? EMITFOLD : tr; - } else { - lua_assert(J->slot[fins->op1] != 0); - return J->slot[fins->op1]; - } -} - -/* Only fold for KKPTR. The pointer _and_ the contents must be const. */ -LJFOLD(XLOAD KKPTR any) -LJFOLDF(xload_kptr) -{ - TRef tr = kfold_xload(J, fins, ir_kptr(fleft)); - return tr ? tr : NEXTFOLD; -} - -LJFOLD(XLOAD any any) -LJFOLDX(lj_opt_fwd_xload) - -/* -- Write barriers ------------------------------------------------------ */ - -/* Write barriers are amenable to CSE, but not across any incremental -** GC steps. -** -** The same logic applies to open upvalue references, because a stack -** may be resized during a GC step (not the current stack, but maybe that -** of a coroutine). -*/ -LJFOLD(TBAR any) -LJFOLD(OBAR any any) -LJFOLD(UREFO any any) -LJFOLDF(barrier_tab) -{ - TRef tr = lj_opt_cse(J); - if (gcstep_barrier(J, tref_ref(tr))) /* CSE across GC step? */ - return EMITFOLD; /* Raw emit. Assumes fins is left intact by CSE. */ - return tr; -} - -LJFOLD(TBAR TNEW) -LJFOLD(TBAR TDUP) -LJFOLDF(barrier_tnew_tdup) -{ - /* New tables are always white and never need a barrier. */ - if (fins->op1 < J->chain[IR_LOOP]) /* Except across a GC step. */ - return NEXTFOLD; - return DROPFOLD; -} - -/* -- Stores and allocations ---------------------------------------------- */ - -/* Stores and allocations cannot be folded or passed on to CSE in general. -** But some stores can be eliminated with dead-store elimination (DSE). -** -** Caveat: *all* stores and allocs must be listed here or they end up at CSE! -*/ - -LJFOLD(ASTORE any any) -LJFOLD(HSTORE any any) -LJFOLDX(lj_opt_dse_ahstore) - -LJFOLD(USTORE any any) -LJFOLDX(lj_opt_dse_ustore) - -LJFOLD(FSTORE any any) -LJFOLDX(lj_opt_dse_fstore) - -LJFOLD(XSTORE any any) -LJFOLDX(lj_opt_dse_xstore) - -LJFOLD(NEWREF any any) /* Treated like a store. */ -LJFOLD(CALLS any any) -LJFOLD(CALLL any any) /* Safeguard fallback. */ -LJFOLD(CALLXS any any) -LJFOLD(XBAR) -LJFOLD(RETF any any) /* Modifies BASE. */ -LJFOLD(TNEW any any) -LJFOLD(TDUP any) -LJFOLD(CNEW any any) -LJFOLD(XSNEW any any) -LJFOLDX(lj_ir_emit) - -/* ------------------------------------------------------------------------ */ - -/* Every entry in the generated hash table is a 32 bit pattern: -** -** xxxxxxxx iiiiiii lllllll rrrrrrrrrr -** -** xxxxxxxx = 8 bit index into fold function table -** iiiiiii = 7 bit folded instruction opcode -** lllllll = 7 bit left instruction opcode -** rrrrrrrrrr = 8 bit right instruction opcode or 10 bits from literal field -*/ - -#include "lj_folddef.h" - -/* ------------------------------------------------------------------------ */ - -/* Fold IR instruction. */ -TRef LJ_FASTCALL lj_opt_fold(jit_State *J) -{ - uint32_t key, any; - IRRef ref; - - if (LJ_UNLIKELY((J->flags & JIT_F_OPT_MASK) != JIT_F_OPT_DEFAULT)) { - lua_assert(((JIT_F_OPT_FOLD|JIT_F_OPT_FWD|JIT_F_OPT_CSE|JIT_F_OPT_DSE) | - JIT_F_OPT_DEFAULT) == JIT_F_OPT_DEFAULT); - /* Folding disabled? Chain to CSE, but not for loads/stores/allocs. */ - if (!(J->flags & JIT_F_OPT_FOLD) && irm_kind(lj_ir_mode[fins->o]) == IRM_N) - return lj_opt_cse(J); - - /* Forwarding or CSE disabled? Emit raw IR for loads, except for SLOAD. */ - if ((J->flags & (JIT_F_OPT_FWD|JIT_F_OPT_CSE)) != - (JIT_F_OPT_FWD|JIT_F_OPT_CSE) && - irm_kind(lj_ir_mode[fins->o]) == IRM_L && fins->o != IR_SLOAD) - return lj_ir_emit(J); - - /* DSE disabled? Emit raw IR for stores. */ - if (!(J->flags & JIT_F_OPT_DSE) && irm_kind(lj_ir_mode[fins->o]) == IRM_S) - return lj_ir_emit(J); - } - - /* Fold engine start/retry point. */ -retry: - /* Construct key from opcode and operand opcodes (unless literal/none). */ - key = ((uint32_t)fins->o << 17); - if (fins->op1 >= J->cur.nk) { - key += (uint32_t)IR(fins->op1)->o << 10; - *fleft = *IR(fins->op1); - } - if (fins->op2 >= J->cur.nk) { - key += (uint32_t)IR(fins->op2)->o; - *fright = *IR(fins->op2); - } else { - key += (fins->op2 & 0x3ffu); /* Literal mask. Must include IRCONV_*MASK. */ - } - - /* Check for a match in order from most specific to least specific. */ - any = 0; - for (;;) { - uint32_t k = key | (any & 0x1ffff); - uint32_t h = fold_hashkey(k); - uint32_t fh = fold_hash[h]; /* Lookup key in semi-perfect hash table. */ - if ((fh & 0xffffff) == k || (fh = fold_hash[h+1], (fh & 0xffffff) == k)) { - ref = (IRRef)tref_ref(fold_func[fh >> 24](J)); - if (ref != NEXTFOLD) - break; - } - if (any == 0xfffff) /* Exhausted folding. Pass on to CSE. */ - return lj_opt_cse(J); - any = (any | (any >> 10)) ^ 0xffc00; - } - - /* Return value processing, ordered by frequency. */ - if (LJ_LIKELY(ref >= MAX_FOLD)) - return TREF(ref, irt_t(IR(ref)->t)); - if (ref == RETRYFOLD) - goto retry; - if (ref == KINTFOLD) - return lj_ir_kint(J, fins->i); - if (ref == FAILFOLD) - lj_trace_err(J, LJ_TRERR_GFAIL); - lua_assert(ref == DROPFOLD); - return REF_DROP; -} - -/* -- Common-Subexpression Elimination ------------------------------------ */ - -/* CSE an IR instruction. This is very fast due to the skip-list chains. */ -TRef LJ_FASTCALL lj_opt_cse(jit_State *J) -{ - /* Avoid narrow to wide store-to-load forwarding stall */ - IRRef2 op12 = (IRRef2)fins->op1 + ((IRRef2)fins->op2 << 16); - IROp op = fins->o; - if (LJ_LIKELY(J->flags & JIT_F_OPT_CSE)) { - /* Limited search for same operands in per-opcode chain. */ - IRRef ref = J->chain[op]; - IRRef lim = fins->op1; - if (fins->op2 > lim) lim = fins->op2; /* Relies on lit < REF_BIAS. */ - while (ref > lim) { - if (IR(ref)->op12 == op12) - return TREF(ref, irt_t(IR(ref)->t)); /* Common subexpression found. */ - ref = IR(ref)->prev; - } - } - /* Otherwise emit IR (inlined for speed). */ - { - IRRef ref = lj_ir_nextins(J); - IRIns *ir = IR(ref); - ir->prev = J->chain[op]; - ir->op12 = op12; - J->chain[op] = (IRRef1)ref; - ir->o = fins->o; - J->guardemit.irt |= fins->t.irt; - return TREF(ref, irt_t((ir->t = fins->t))); - } -} - -/* CSE with explicit search limit. */ -TRef LJ_FASTCALL lj_opt_cselim(jit_State *J, IRRef lim) -{ - IRRef ref = J->chain[fins->o]; - IRRef2 op12 = (IRRef2)fins->op1 + ((IRRef2)fins->op2 << 16); - while (ref > lim) { - if (IR(ref)->op12 == op12) - return ref; - ref = IR(ref)->prev; - } - return lj_ir_emit(J); -} - -/* ------------------------------------------------------------------------ */ - -#undef IR -#undef fins -#undef fleft -#undef fright -#undef knumleft -#undef knumright -#undef emitir - -#endif diff --git a/libraries/luajit-2.0/src/lj_opt_loop.c b/libraries/luajit-2.0/src/lj_opt_loop.c deleted file mode 100644 index 460297b..0000000 --- a/libraries/luajit-2.0/src/lj_opt_loop.c +++ /dev/null @@ -1,429 +0,0 @@ -/* -** LOOP: Loop Optimizations. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_opt_loop_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_err.h" -#include "lj_str.h" -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_iropt.h" -#include "lj_trace.h" -#include "lj_snap.h" -#include "lj_vm.h" - -/* Loop optimization: -** -** Traditional Loop-Invariant Code Motion (LICM) splits the instructions -** of a loop into invariant and variant instructions. The invariant -** instructions are hoisted out of the loop and only the variant -** instructions remain inside the loop body. -** -** Unfortunately LICM is mostly useless for compiling dynamic languages. -** The IR has many guards and most of the subsequent instructions are -** control-dependent on them. The first non-hoistable guard would -** effectively prevent hoisting of all subsequent instructions. -** -** That's why we use a special form of unrolling using copy-substitution, -** combined with redundancy elimination: -** -** The recorded instruction stream is re-emitted to the compiler pipeline -** with substituted operands. The substitution table is filled with the -** refs returned by re-emitting each instruction. This can be done -** on-the-fly, because the IR is in strict SSA form, where every ref is -** defined before its use. -** -** This aproach generates two code sections, separated by the LOOP -** instruction: -** -** 1. The recorded instructions form a kind of pre-roll for the loop. It -** contains a mix of invariant and variant instructions and performs -** exactly one loop iteration (but not necessarily the 1st iteration). -** -** 2. The loop body contains only the variant instructions and performs -** all remaining loop iterations. -** -** On first sight that looks like a waste of space, because the variant -** instructions are present twice. But the key insight is that the -** pre-roll honors the control-dependencies for *both* the pre-roll itself -** *and* the loop body! -** -** It also means one doesn't have to explicitly model control-dependencies -** (which, BTW, wouldn't help LICM much). And it's much easier to -** integrate sparse snapshotting with this approach. -** -** One of the nicest aspects of this approach is that all of the -** optimizations of the compiler pipeline (FOLD, CSE, FWD, etc.) can be -** reused with only minor restrictions (e.g. one should not fold -** instructions across loop-carried dependencies). -** -** But in general all optimizations can be applied which only need to look -** backwards into the generated instruction stream. At any point in time -** during the copy-substitution process this contains both a static loop -** iteration (the pre-roll) and a dynamic one (from the to-be-copied -** instruction up to the end of the partial loop body). -** -** Since control-dependencies are implicitly kept, CSE also applies to all -** kinds of guards. The major advantage is that all invariant guards can -** be hoisted, too. -** -** Load/store forwarding works across loop iterations, too. This is -** important if loop-carried dependencies are kept in upvalues or tables. -** E.g. 'self.idx = self.idx + 1' deep down in some OO-style method may -** become a forwarded loop-recurrence after inlining. -** -** Since the IR is in SSA form, loop-carried dependencies have to be -** modeled with PHI instructions. The potential candidates for PHIs are -** collected on-the-fly during copy-substitution. After eliminating the -** redundant ones, PHI instructions are emitted *below* the loop body. -** -** Note that this departure from traditional SSA form doesn't change the -** semantics of the PHI instructions themselves. But it greatly simplifies -** on-the-fly generation of the IR and the machine code. -*/ - -/* Some local macros to save typing. Undef'd at the end. */ -#define IR(ref) (&J->cur.ir[(ref)]) - -/* Pass IR on to next optimization in chain (FOLD). */ -#define emitir(ot, a, b) (lj_ir_set(J, (ot), (a), (b)), lj_opt_fold(J)) - -/* Emit raw IR without passing through optimizations. */ -#define emitir_raw(ot, a, b) (lj_ir_set(J, (ot), (a), (b)), lj_ir_emit(J)) - -/* -- PHI elimination ----------------------------------------------------- */ - -/* Emit or eliminate collected PHIs. */ -static void loop_emit_phi(jit_State *J, IRRef1 *subst, IRRef1 *phi, IRRef nphi, - SnapNo onsnap) -{ - int passx = 0; - IRRef i, nslots; - IRRef invar = J->chain[IR_LOOP]; - /* Pass #1: mark redundant and potentially redundant PHIs. */ - for (i = 0; i < nphi; i++) { - IRRef lref = phi[i]; - IRRef rref = subst[lref]; - if (lref == rref || rref == REF_DROP) { /* Invariants are redundant. */ - irt_setmark(IR(lref)->t); - } else if (!(IR(rref)->op1 == lref || IR(rref)->op2 == lref)) { - /* Quick check for simple recurrences failed, need pass2. */ - irt_setmark(IR(lref)->t); - passx = 1; - } - } - /* Pass #2: traverse variant part and clear marks of non-redundant PHIs. */ - if (passx) { - SnapNo s; - for (i = J->cur.nins-1; i > invar; i--) { - IRIns *ir = IR(i); - if (!irref_isk(ir->op2)) irt_clearmark(IR(ir->op2)->t); - if (!irref_isk(ir->op1)) { - irt_clearmark(IR(ir->op1)->t); - if (ir->op1 < invar && - ir->o >= IR_CALLN && ir->o <= IR_CARG) { /* ORDER IR */ - ir = IR(ir->op1); - while (ir->o == IR_CARG) { - if (!irref_isk(ir->op2)) irt_clearmark(IR(ir->op2)->t); - if (irref_isk(ir->op1)) break; - ir = IR(ir->op1); - irt_clearmark(ir->t); - } - } - } - } - for (s = J->cur.nsnap-1; s >= onsnap; s--) { - SnapShot *snap = &J->cur.snap[s]; - SnapEntry *map = &J->cur.snapmap[snap->mapofs]; - MSize n, nent = snap->nent; - for (n = 0; n < nent; n++) { - IRRef ref = snap_ref(map[n]); - if (!irref_isk(ref)) irt_clearmark(IR(ref)->t); - } - } - } - /* Pass #3: add PHIs for variant slots without a corresponding SLOAD. */ - nslots = J->baseslot+J->maxslot; - for (i = 1; i < nslots; i++) { - IRRef ref = tref_ref(J->slot[i]); - while (!irref_isk(ref) && ref != subst[ref]) { - IRIns *ir = IR(ref); - irt_clearmark(ir->t); /* Unmark potential uses, too. */ - if (irt_isphi(ir->t) || irt_ispri(ir->t)) - break; - irt_setphi(ir->t); - if (nphi >= LJ_MAX_PHI) - lj_trace_err(J, LJ_TRERR_PHIOV); - phi[nphi++] = (IRRef1)ref; - ref = subst[ref]; - if (ref > invar) - break; - } - } - /* Pass #4: propagate non-redundant PHIs. */ - while (passx) { - passx = 0; - for (i = 0; i < nphi; i++) { - IRRef lref = phi[i]; - IRIns *ir = IR(lref); - if (!irt_ismarked(ir->t)) { /* Propagate only from unmarked PHIs. */ - IRRef rref = subst[lref]; - if (lref == rref) { /* Mark redundant PHI. */ - irt_setmark(ir->t); - } else { - IRIns *irr = IR(rref); - if (irt_ismarked(irr->t)) { /* Right ref points to other PHI? */ - irt_clearmark(irr->t); /* Mark that PHI as non-redundant. */ - passx = 1; /* Retry. */ - } - } - } - } - } - /* Pass #5: emit PHI instructions or eliminate PHIs. */ - for (i = 0; i < nphi; i++) { - IRRef lref = phi[i]; - IRIns *ir = IR(lref); - if (!irt_ismarked(ir->t)) { /* Emit PHI if not marked. */ - IRRef rref = subst[lref]; - if (rref > invar) - irt_setphi(IR(rref)->t); - emitir_raw(IRT(IR_PHI, irt_type(ir->t)), lref, rref); - } else { /* Otherwise eliminate PHI. */ - irt_clearmark(ir->t); - irt_clearphi(ir->t); - } - } -} - -/* -- Loop unrolling using copy-substitution ------------------------------ */ - -/* Copy-substitute snapshot. */ -static void loop_subst_snap(jit_State *J, SnapShot *osnap, - SnapEntry *loopmap, IRRef1 *subst) -{ - SnapEntry *nmap, *omap = &J->cur.snapmap[osnap->mapofs]; - SnapEntry *nextmap = &J->cur.snapmap[snap_nextofs(&J->cur, osnap)]; - MSize nmapofs; - MSize on, ln, nn, onent = osnap->nent; - BCReg nslots = osnap->nslots; - SnapShot *snap = &J->cur.snap[J->cur.nsnap]; - if (irt_isguard(J->guardemit)) { /* Guard inbetween? */ - nmapofs = J->cur.nsnapmap; - J->cur.nsnap++; /* Add new snapshot. */ - } else { /* Otherwise overwrite previous snapshot. */ - snap--; - nmapofs = snap->mapofs; - } - J->guardemit.irt = 0; - /* Setup new snapshot. */ - snap->mapofs = (uint16_t)nmapofs; - snap->ref = (IRRef1)J->cur.nins; - snap->nslots = nslots; - snap->topslot = osnap->topslot; - snap->count = 0; - nmap = &J->cur.snapmap[nmapofs]; - /* Substitute snapshot slots. */ - on = ln = nn = 0; - while (on < onent) { - SnapEntry osn = omap[on], lsn = loopmap[ln]; - if (snap_slot(lsn) < snap_slot(osn)) { /* Copy slot from loop map. */ - nmap[nn++] = lsn; - ln++; - } else { /* Copy substituted slot from snapshot map. */ - if (snap_slot(lsn) == snap_slot(osn)) ln++; /* Shadowed loop slot. */ - if (!irref_isk(snap_ref(osn))) - osn = snap_setref(osn, subst[snap_ref(osn)]); - nmap[nn++] = osn; - on++; - } - } - while (snap_slot(loopmap[ln]) < nslots) /* Copy remaining loop slots. */ - nmap[nn++] = loopmap[ln++]; - snap->nent = (uint8_t)nn; - omap += onent; - nmap += nn; - while (omap < nextmap) /* Copy PC + frame links. */ - *nmap++ = *omap++; - J->cur.nsnapmap = (uint16_t)(nmap - J->cur.snapmap); -} - -/* Unroll loop. */ -static void loop_unroll(jit_State *J) -{ - IRRef1 phi[LJ_MAX_PHI]; - uint32_t nphi = 0; - IRRef1 *subst; - SnapNo onsnap; - SnapShot *osnap, *loopsnap; - SnapEntry *loopmap, *psentinel; - IRRef ins, invar; - - /* Use temp buffer for substitution table. - ** Only non-constant refs in [REF_BIAS,invar) are valid indexes. - ** Caveat: don't call into the VM or run the GC or the buffer may be gone. - */ - invar = J->cur.nins; - subst = (IRRef1 *)lj_str_needbuf(J->L, &G(J->L)->tmpbuf, - (invar-REF_BIAS)*sizeof(IRRef1)) - REF_BIAS; - subst[REF_BASE] = REF_BASE; - - /* LOOP separates the pre-roll from the loop body. */ - emitir_raw(IRTG(IR_LOOP, IRT_NIL), 0, 0); - - /* Grow snapshot buffer and map for copy-substituted snapshots. - ** Need up to twice the number of snapshots minus #0 and loop snapshot. - ** Need up to twice the number of entries plus fallback substitutions - ** from the loop snapshot entries for each new snapshot. - ** Caveat: both calls may reallocate J->cur.snap and J->cur.snapmap! - */ - onsnap = J->cur.nsnap; - lj_snap_grow_buf(J, 2*onsnap-2); - lj_snap_grow_map(J, J->cur.nsnapmap*2+(onsnap-2)*J->cur.snap[onsnap-1].nent); - - /* The loop snapshot is used for fallback substitutions. */ - loopsnap = &J->cur.snap[onsnap-1]; - loopmap = &J->cur.snapmap[loopsnap->mapofs]; - /* The PC of snapshot #0 and the loop snapshot must match. */ - psentinel = &loopmap[loopsnap->nent]; - lua_assert(*psentinel == J->cur.snapmap[J->cur.snap[0].nent]); - *psentinel = SNAP(255, 0, 0); /* Replace PC with temporary sentinel. */ - - /* Start substitution with snapshot #1 (#0 is empty for root traces). */ - osnap = &J->cur.snap[1]; - - /* Copy and substitute all recorded instructions and snapshots. */ - for (ins = REF_FIRST; ins < invar; ins++) { - IRIns *ir; - IRRef op1, op2; - - if (ins >= osnap->ref) /* Instruction belongs to next snapshot? */ - loop_subst_snap(J, osnap++, loopmap, subst); /* Copy-substitute it. */ - - /* Substitute instruction operands. */ - ir = IR(ins); - op1 = ir->op1; - if (!irref_isk(op1)) op1 = subst[op1]; - op2 = ir->op2; - if (!irref_isk(op2)) op2 = subst[op2]; - if (irm_kind(lj_ir_mode[ir->o]) == IRM_N && - op1 == ir->op1 && op2 == ir->op2) { /* Regular invariant ins? */ - subst[ins] = (IRRef1)ins; /* Shortcut. */ - } else { - /* Re-emit substituted instruction to the FOLD/CSE/etc. pipeline. */ - IRType1 t = ir->t; /* Get this first, since emitir may invalidate ir. */ - IRRef ref = tref_ref(emitir(ir->ot & ~IRT_ISPHI, op1, op2)); - subst[ins] = (IRRef1)ref; - if (ref != ins && ref < invar) { /* Loop-carried dependency? */ - IRIns *irr = IR(ref); - /* Potential PHI? */ - if (!irref_isk(ref) && !irt_isphi(irr->t) && !irt_ispri(irr->t)) { - irt_setphi(irr->t); - if (nphi >= LJ_MAX_PHI) - lj_trace_err(J, LJ_TRERR_PHIOV); - phi[nphi++] = (IRRef1)ref; - } - /* Check all loop-carried dependencies for type instability. */ - if (!irt_sametype(t, irr->t)) { - if (irt_isinteger(t) && irt_isinteger(irr->t)) - continue; - else if (irt_isnum(t) && irt_isinteger(irr->t)) /* Fix int->num. */ - ref = tref_ref(emitir(IRTN(IR_CONV), ref, IRCONV_NUM_INT)); - else if (irt_isnum(irr->t) && irt_isinteger(t)) /* Fix num->int. */ - ref = tref_ref(emitir(IRTGI(IR_CONV), ref, - IRCONV_INT_NUM|IRCONV_CHECK)); - else - lj_trace_err(J, LJ_TRERR_TYPEINS); - subst[ins] = (IRRef1)ref; - /* May need a PHI for the CONV, too. */ - irr = IR(ref); - if (ref < invar && !irref_isk(ref) && !irt_isphi(irr->t)) { - irt_setphi(irr->t); - if (nphi >= LJ_MAX_PHI) - lj_trace_err(J, LJ_TRERR_PHIOV); - phi[nphi++] = (IRRef1)ref; - } - } - } - } - } - if (!irt_isguard(J->guardemit)) /* Drop redundant snapshot. */ - J->cur.nsnapmap = (uint16_t)J->cur.snap[--J->cur.nsnap].mapofs; - lua_assert(J->cur.nsnapmap <= J->sizesnapmap); - *psentinel = J->cur.snapmap[J->cur.snap[0].nent]; /* Restore PC. */ - - loop_emit_phi(J, subst, phi, nphi, onsnap); -} - -/* Undo any partial changes made by the loop optimization. */ -static void loop_undo(jit_State *J, IRRef ins, SnapNo nsnap, MSize nsnapmap) -{ - ptrdiff_t i; - SnapShot *snap = &J->cur.snap[nsnap-1]; - SnapEntry *map = J->cur.snapmap; - map[snap->mapofs + snap->nent] = map[J->cur.snap[0].nent]; /* Restore PC. */ - J->cur.nsnapmap = (uint16_t)nsnapmap; - J->cur.nsnap = nsnap; - J->guardemit.irt = 0; - lj_ir_rollback(J, ins); - for (i = 0; i < BPROP_SLOTS; i++) { /* Remove backprop. cache entries. */ - BPropEntry *bp = &J->bpropcache[i]; - if (bp->val >= ins) - bp->key = 0; - } - for (ins--; ins >= REF_FIRST; ins--) { /* Remove flags. */ - IRIns *ir = IR(ins); - irt_clearphi(ir->t); - irt_clearmark(ir->t); - } -} - -/* Protected callback for loop optimization. */ -static TValue *cploop_opt(lua_State *L, lua_CFunction dummy, void *ud) -{ - UNUSED(L); UNUSED(dummy); - loop_unroll((jit_State *)ud); - return NULL; -} - -/* Loop optimization. */ -int lj_opt_loop(jit_State *J) -{ - IRRef nins = J->cur.nins; - SnapNo nsnap = J->cur.nsnap; - MSize nsnapmap = J->cur.nsnapmap; - int errcode = lj_vm_cpcall(J->L, NULL, J, cploop_opt); - if (LJ_UNLIKELY(errcode)) { - lua_State *L = J->L; - if (errcode == LUA_ERRRUN && tvisnumber(L->top-1)) { /* Trace error? */ - int32_t e = numberVint(L->top-1); - switch ((TraceError)e) { - case LJ_TRERR_TYPEINS: /* Type instability. */ - case LJ_TRERR_GFAIL: /* Guard would always fail. */ - /* Unrolling via recording fixes many cases, e.g. a flipped boolean. */ - if (--J->instunroll < 0) /* But do not unroll forever. */ - break; - L->top--; /* Remove error object. */ - loop_undo(J, nins, nsnap, nsnapmap); - return 1; /* Loop optimization failed, continue recording. */ - default: - break; - } - } - lj_err_throw(L, errcode); /* Propagate all other errors. */ - } - return 0; /* Loop optimization is ok. */ -} - -#undef IR -#undef emitir -#undef emitir_raw - -#endif diff --git a/libraries/luajit-2.0/src/lj_opt_mem.c b/libraries/luajit-2.0/src/lj_opt_mem.c deleted file mode 100644 index a90d097..0000000 --- a/libraries/luajit-2.0/src/lj_opt_mem.c +++ /dev/null @@ -1,861 +0,0 @@ -/* -** Memory access optimizations. -** AA: Alias Analysis using high-level semantic disambiguation. -** FWD: Load Forwarding (L2L) + Store Forwarding (S2L). -** DSE: Dead-Store Elimination. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_opt_mem_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_tab.h" -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_iropt.h" - -/* Some local macros to save typing. Undef'd at the end. */ -#define IR(ref) (&J->cur.ir[(ref)]) -#define fins (&J->fold.ins) -#define fright (&J->fold.right) - -/* -** Caveat #1: return value is not always a TRef -- only use with tref_ref(). -** Caveat #2: FWD relies on active CSE for xREF operands -- see lj_opt_fold(). -*/ - -/* Return values from alias analysis. */ -typedef enum { - ALIAS_NO, /* The two refs CANNOT alias (exact). */ - ALIAS_MAY, /* The two refs MAY alias (inexact). */ - ALIAS_MUST /* The two refs MUST alias (exact). */ -} AliasRet; - -/* -- ALOAD/HLOAD forwarding and ASTORE/HSTORE elimination ---------------- */ - -/* Simplified escape analysis: check for intervening stores. */ -static AliasRet aa_escape(jit_State *J, IRIns *ir, IRIns *stop) -{ - IRRef ref = (IRRef)(ir - J->cur.ir); /* The ref that might be stored. */ - for (ir++; ir < stop; ir++) - if (ir->op2 == ref && - (ir->o == IR_ASTORE || ir->o == IR_HSTORE || - ir->o == IR_USTORE || ir->o == IR_FSTORE)) - return ALIAS_MAY; /* Reference was stored and might alias. */ - return ALIAS_NO; /* Reference was not stored. */ -} - -/* Alias analysis for two different table references. */ -static AliasRet aa_table(jit_State *J, IRRef ta, IRRef tb) -{ - IRIns *taba = IR(ta), *tabb = IR(tb); - int newa, newb; - lua_assert(ta != tb); - lua_assert(irt_istab(taba->t) && irt_istab(tabb->t)); - /* Disambiguate new allocations. */ - newa = (taba->o == IR_TNEW || taba->o == IR_TDUP); - newb = (tabb->o == IR_TNEW || tabb->o == IR_TDUP); - if (newa && newb) - return ALIAS_NO; /* Two different allocations never alias. */ - if (newb) { /* At least one allocation? */ - IRIns *tmp = taba; taba = tabb; tabb = tmp; - } else if (!newa) { - return ALIAS_MAY; /* Anything else: we just don't know. */ - } - return aa_escape(J, taba, tabb); -} - -/* Alias analysis for array and hash access using key-based disambiguation. */ -static AliasRet aa_ahref(jit_State *J, IRIns *refa, IRIns *refb) -{ - IRRef ka = refa->op2; - IRRef kb = refb->op2; - IRIns *keya, *keyb; - IRRef ta, tb; - if (refa == refb) - return ALIAS_MUST; /* Shortcut for same refs. */ - keya = IR(ka); - if (keya->o == IR_KSLOT) { ka = keya->op1; keya = IR(ka); } - keyb = IR(kb); - if (keyb->o == IR_KSLOT) { kb = keyb->op1; keyb = IR(kb); } - ta = (refa->o==IR_HREFK || refa->o==IR_AREF) ? IR(refa->op1)->op1 : refa->op1; - tb = (refb->o==IR_HREFK || refb->o==IR_AREF) ? IR(refb->op1)->op1 : refb->op1; - if (ka == kb) { - /* Same key. Check for same table with different ref (NEWREF vs. HREF). */ - if (ta == tb) - return ALIAS_MUST; /* Same key, same table. */ - else - return aa_table(J, ta, tb); /* Same key, possibly different table. */ - } - if (irref_isk(ka) && irref_isk(kb)) - return ALIAS_NO; /* Different constant keys. */ - if (refa->o == IR_AREF) { - /* Disambiguate array references based on index arithmetic. */ - int32_t ofsa = 0, ofsb = 0; - IRRef basea = ka, baseb = kb; - lua_assert(refb->o == IR_AREF); - /* Gather base and offset from t[base] or t[base+-ofs]. */ - if (keya->o == IR_ADD && irref_isk(keya->op2)) { - basea = keya->op1; - ofsa = IR(keya->op2)->i; - if (basea == kb && ofsa != 0) - return ALIAS_NO; /* t[base+-ofs] vs. t[base]. */ - } - if (keyb->o == IR_ADD && irref_isk(keyb->op2)) { - baseb = keyb->op1; - ofsb = IR(keyb->op2)->i; - if (ka == baseb && ofsb != 0) - return ALIAS_NO; /* t[base] vs. t[base+-ofs]. */ - } - if (basea == baseb && ofsa != ofsb) - return ALIAS_NO; /* t[base+-o1] vs. t[base+-o2] and o1 != o2. */ - } else { - /* Disambiguate hash references based on the type of their keys. */ - lua_assert((refa->o==IR_HREF || refa->o==IR_HREFK || refa->o==IR_NEWREF) && - (refb->o==IR_HREF || refb->o==IR_HREFK || refb->o==IR_NEWREF)); - if (!irt_sametype(keya->t, keyb->t)) - return ALIAS_NO; /* Different key types. */ - } - if (ta == tb) - return ALIAS_MAY; /* Same table, cannot disambiguate keys. */ - else - return aa_table(J, ta, tb); /* Try to disambiguate tables. */ -} - -/* Array and hash load forwarding. */ -static TRef fwd_ahload(jit_State *J, IRRef xref) -{ - IRIns *xr = IR(xref); - IRRef lim = xref; /* Search limit. */ - IRRef ref; - - /* Search for conflicting stores. */ - ref = J->chain[fins->o+IRDELTA_L2S]; - while (ref > xref) { - IRIns *store = IR(ref); - switch (aa_ahref(J, xr, IR(store->op1))) { - case ALIAS_NO: break; /* Continue searching. */ - case ALIAS_MAY: lim = ref; goto cselim; /* Limit search for load. */ - case ALIAS_MUST: return store->op2; /* Store forwarding. */ - } - ref = store->prev; - } - - /* No conflicting store (yet): const-fold loads from allocations. */ - { - IRIns *ir = (xr->o == IR_HREFK || xr->o == IR_AREF) ? IR(xr->op1) : xr; - IRRef tab = ir->op1; - ir = IR(tab); - if (ir->o == IR_TNEW || (ir->o == IR_TDUP && irref_isk(xr->op2))) { - /* A NEWREF with a number key may end up pointing to the array part. - ** But it's referenced from HSTORE and not found in the ASTORE chain. - ** For now simply consider this a conflict without forwarding anything. - */ - if (xr->o == IR_AREF) { - IRRef ref2 = J->chain[IR_NEWREF]; - while (ref2 > tab) { - IRIns *newref = IR(ref2); - if (irt_isnum(IR(newref->op2)->t)) - goto cselim; - ref2 = newref->prev; - } - } - /* NEWREF inhibits CSE for HREF, and dependent FLOADs from HREFK/AREF. - ** But the above search for conflicting stores was limited by xref. - ** So continue searching, limited by the TNEW/TDUP. Store forwarding - ** is ok, too. A conflict does NOT limit the search for a matching load. - */ - while (ref > tab) { - IRIns *store = IR(ref); - switch (aa_ahref(J, xr, IR(store->op1))) { - case ALIAS_NO: break; /* Continue searching. */ - case ALIAS_MAY: goto cselim; /* Conflicting store. */ - case ALIAS_MUST: return store->op2; /* Store forwarding. */ - } - ref = store->prev; - } - lua_assert(ir->o != IR_TNEW || irt_isnil(fins->t)); - if (irt_ispri(fins->t)) { - return TREF_PRI(irt_type(fins->t)); - } else if (irt_isnum(fins->t) || irt_isstr(fins->t)) { - TValue keyv; - cTValue *tv; - IRIns *key = IR(xr->op2); - if (key->o == IR_KSLOT) key = IR(key->op1); - lj_ir_kvalue(J->L, &keyv, key); - tv = lj_tab_get(J->L, ir_ktab(IR(ir->op1)), &keyv); - lua_assert(itype2irt(tv) == irt_type(fins->t)); - if (irt_isnum(fins->t)) - return lj_ir_knum_u64(J, tv->u64); - else - return lj_ir_kstr(J, strV(tv)); - } - /* Othwerwise: don't intern as a constant. */ - } - } - -cselim: - /* Try to find a matching load. Below the conflicting store, if any. */ - ref = J->chain[fins->o]; - while (ref > lim) { - IRIns *load = IR(ref); - if (load->op1 == xref) - return ref; /* Load forwarding. */ - ref = load->prev; - } - return 0; /* Conflict or no match. */ -} - -/* Reassociate ALOAD across PHIs to handle t[i-1] forwarding case. */ -static TRef fwd_aload_reassoc(jit_State *J) -{ - IRIns *irx = IR(fins->op1); - IRIns *key = IR(irx->op2); - if (key->o == IR_ADD && irref_isk(key->op2)) { - IRIns *add2 = IR(key->op1); - if (add2->o == IR_ADD && irref_isk(add2->op2) && - IR(key->op2)->i == -IR(add2->op2)->i) { - IRRef ref = J->chain[IR_AREF]; - IRRef lim = add2->op1; - if (irx->op1 > lim) lim = irx->op1; - while (ref > lim) { - IRIns *ir = IR(ref); - if (ir->op1 == irx->op1 && ir->op2 == add2->op1) - return fwd_ahload(J, ref); - ref = ir->prev; - } - } - } - return 0; -} - -/* ALOAD forwarding. */ -TRef LJ_FASTCALL lj_opt_fwd_aload(jit_State *J) -{ - IRRef ref; - if ((ref = fwd_ahload(J, fins->op1)) || - (ref = fwd_aload_reassoc(J))) - return ref; - return EMITFOLD; -} - -/* HLOAD forwarding. */ -TRef LJ_FASTCALL lj_opt_fwd_hload(jit_State *J) -{ - IRRef ref = fwd_ahload(J, fins->op1); - if (ref) - return ref; - return EMITFOLD; -} - -/* Check whether HREF of TNEW/TDUP can be folded to niltv. */ -int LJ_FASTCALL lj_opt_fwd_href_nokey(jit_State *J) -{ - IRRef lim = fins->op1; /* Search limit. */ - IRRef ref; - - /* The key for an ASTORE may end up in the hash part after a NEWREF. */ - if (irt_isnum(fright->t) && J->chain[IR_NEWREF] > lim) { - ref = J->chain[IR_ASTORE]; - while (ref > lim) { - if (ref < J->chain[IR_NEWREF]) - return 0; /* Conflict. */ - ref = IR(ref)->prev; - } - } - - /* Search for conflicting stores. */ - ref = J->chain[IR_HSTORE]; - while (ref > lim) { - IRIns *store = IR(ref); - if (aa_ahref(J, fins, IR(store->op1)) != ALIAS_NO) - return 0; /* Conflict. */ - ref = store->prev; - } - - return 1; /* No conflict. Can fold to niltv. */ -} - -/* Check whether there's no aliasing NEWREF for the left operand. */ -int LJ_FASTCALL lj_opt_fwd_tptr(jit_State *J, IRRef lim) -{ - IRRef ta = fins->op1; - IRRef ref = J->chain[IR_NEWREF]; - while (ref > lim) { - IRIns *newref = IR(ref); - if (ta == newref->op1 || aa_table(J, ta, newref->op1) != ALIAS_NO) - return 0; /* Conflict. */ - ref = newref->prev; - } - return 1; /* No conflict. Can safely FOLD/CSE. */ -} - -/* ASTORE/HSTORE elimination. */ -TRef LJ_FASTCALL lj_opt_dse_ahstore(jit_State *J) -{ - IRRef xref = fins->op1; /* xREF reference. */ - IRRef val = fins->op2; /* Stored value reference. */ - IRIns *xr = IR(xref); - IRRef1 *refp = &J->chain[fins->o]; - IRRef ref = *refp; - while (ref > xref) { /* Search for redundant or conflicting stores. */ - IRIns *store = IR(ref); - switch (aa_ahref(J, xr, IR(store->op1))) { - case ALIAS_NO: - break; /* Continue searching. */ - case ALIAS_MAY: /* Store to MAYBE the same location. */ - if (store->op2 != val) /* Conflict if the value is different. */ - goto doemit; - break; /* Otherwise continue searching. */ - case ALIAS_MUST: /* Store to the same location. */ - if (store->op2 == val) /* Same value: drop the new store. */ - return DROPFOLD; - /* Different value: try to eliminate the redundant store. */ - if (ref > J->chain[IR_LOOP]) { /* Quick check to avoid crossing LOOP. */ - IRIns *ir; - /* Check for any intervening guards (includes conflicting loads). */ - for (ir = IR(J->cur.nins-1); ir > store; ir--) - if (irt_isguard(ir->t)) - goto doemit; /* No elimination possible. */ - /* Remove redundant store from chain and replace with NOP. */ - *refp = store->prev; - store->o = IR_NOP; - store->t.irt = IRT_NIL; - store->op1 = store->op2 = 0; - store->prev = 0; - /* Now emit the new store instead. */ - } - goto doemit; - } - ref = *(refp = &store->prev); - } -doemit: - return EMITFOLD; /* Otherwise we have a conflict or simply no match. */ -} - -/* -- ULOAD forwarding ---------------------------------------------------- */ - -/* The current alias analysis for upvalues is very simplistic. It only -** disambiguates between the unique upvalues of the same function. -** This is good enough for now, since most upvalues are read-only. -** -** A more precise analysis would be feasible with the help of the parser: -** generate a unique key for every upvalue, even across all prototypes. -** Lacking a realistic use-case, it's unclear whether this is beneficial. -*/ -static AliasRet aa_uref(IRIns *refa, IRIns *refb) -{ - if (refa->o != refb->o) - return ALIAS_NO; /* Different UREFx type. */ - if (refa->op1 == refb->op1) { /* Same function. */ - if (refa->op2 == refb->op2) - return ALIAS_MUST; /* Same function, same upvalue idx. */ - else - return ALIAS_NO; /* Same function, different upvalue idx. */ - } else { /* Different functions, check disambiguation hash values. */ - if (((refa->op2 ^ refb->op2) & 0xff)) - return ALIAS_NO; /* Upvalues with different hash values cannot alias. */ - else - return ALIAS_MAY; /* No conclusion can be drawn for same hash value. */ - } -} - -/* ULOAD forwarding. */ -TRef LJ_FASTCALL lj_opt_fwd_uload(jit_State *J) -{ - IRRef uref = fins->op1; - IRRef lim = uref; /* Search limit. */ - IRIns *xr = IR(uref); - IRRef ref; - - /* Search for conflicting stores. */ - ref = J->chain[IR_USTORE]; - while (ref > uref) { - IRIns *store = IR(ref); - switch (aa_uref(xr, IR(store->op1))) { - case ALIAS_NO: break; /* Continue searching. */ - case ALIAS_MAY: lim = ref; goto cselim; /* Limit search for load. */ - case ALIAS_MUST: return store->op2; /* Store forwarding. */ - } - ref = store->prev; - } - -cselim: - /* Try to find a matching load. Below the conflicting store, if any. */ - return lj_opt_cselim(J, lim); -} - -/* USTORE elimination. */ -TRef LJ_FASTCALL lj_opt_dse_ustore(jit_State *J) -{ - IRRef xref = fins->op1; /* xREF reference. */ - IRRef val = fins->op2; /* Stored value reference. */ - IRIns *xr = IR(xref); - IRRef1 *refp = &J->chain[IR_USTORE]; - IRRef ref = *refp; - while (ref > xref) { /* Search for redundant or conflicting stores. */ - IRIns *store = IR(ref); - switch (aa_uref(xr, IR(store->op1))) { - case ALIAS_NO: - break; /* Continue searching. */ - case ALIAS_MAY: /* Store to MAYBE the same location. */ - if (store->op2 != val) /* Conflict if the value is different. */ - goto doemit; - break; /* Otherwise continue searching. */ - case ALIAS_MUST: /* Store to the same location. */ - if (store->op2 == val) /* Same value: drop the new store. */ - return DROPFOLD; - /* Different value: try to eliminate the redundant store. */ - if (ref > J->chain[IR_LOOP]) { /* Quick check to avoid crossing LOOP. */ - IRIns *ir; - /* Check for any intervening guards (includes conflicting loads). */ - for (ir = IR(J->cur.nins-1); ir > store; ir--) - if (irt_isguard(ir->t)) - goto doemit; /* No elimination possible. */ - /* Remove redundant store from chain and replace with NOP. */ - *refp = store->prev; - store->o = IR_NOP; - store->t.irt = IRT_NIL; - store->op1 = store->op2 = 0; - store->prev = 0; - /* Now emit the new store instead. */ - } - goto doemit; - } - ref = *(refp = &store->prev); - } -doemit: - return EMITFOLD; /* Otherwise we have a conflict or simply no match. */ -} - -/* -- FLOAD forwarding and FSTORE elimination ----------------------------- */ - -/* Alias analysis for field access. -** Field loads are cheap and field stores are rare. -** Simple disambiguation based on field types is good enough. -*/ -static AliasRet aa_fref(jit_State *J, IRIns *refa, IRIns *refb) -{ - if (refa->op2 != refb->op2) - return ALIAS_NO; /* Different fields. */ - if (refa->op1 == refb->op1) - return ALIAS_MUST; /* Same field, same object. */ - else if (refa->op2 >= IRFL_TAB_META && refa->op2 <= IRFL_TAB_NOMM) - return aa_table(J, refa->op1, refb->op1); /* Disambiguate tables. */ - else - return ALIAS_MAY; /* Same field, possibly different object. */ -} - -/* Only the loads for mutable fields end up here (see FOLD). */ -TRef LJ_FASTCALL lj_opt_fwd_fload(jit_State *J) -{ - IRRef oref = fins->op1; /* Object reference. */ - IRRef fid = fins->op2; /* Field ID. */ - IRRef lim = oref; /* Search limit. */ - IRRef ref; - - /* Search for conflicting stores. */ - ref = J->chain[IR_FSTORE]; - while (ref > oref) { - IRIns *store = IR(ref); - switch (aa_fref(J, fins, IR(store->op1))) { - case ALIAS_NO: break; /* Continue searching. */ - case ALIAS_MAY: lim = ref; goto cselim; /* Limit search for load. */ - case ALIAS_MUST: return store->op2; /* Store forwarding. */ - } - ref = store->prev; - } - - /* No conflicting store: const-fold field loads from allocations. */ - if (fid == IRFL_TAB_META) { - IRIns *ir = IR(oref); - if (ir->o == IR_TNEW || ir->o == IR_TDUP) - return lj_ir_knull(J, IRT_TAB); - } - -cselim: - /* Try to find a matching load. Below the conflicting store, if any. */ - return lj_opt_cselim(J, lim); -} - -/* FSTORE elimination. */ -TRef LJ_FASTCALL lj_opt_dse_fstore(jit_State *J) -{ - IRRef fref = fins->op1; /* FREF reference. */ - IRRef val = fins->op2; /* Stored value reference. */ - IRIns *xr = IR(fref); - IRRef1 *refp = &J->chain[IR_FSTORE]; - IRRef ref = *refp; - while (ref > fref) { /* Search for redundant or conflicting stores. */ - IRIns *store = IR(ref); - switch (aa_fref(J, xr, IR(store->op1))) { - case ALIAS_NO: - break; /* Continue searching. */ - case ALIAS_MAY: - if (store->op2 != val) /* Conflict if the value is different. */ - goto doemit; - break; /* Otherwise continue searching. */ - case ALIAS_MUST: - if (store->op2 == val) /* Same value: drop the new store. */ - return DROPFOLD; - /* Different value: try to eliminate the redundant store. */ - if (ref > J->chain[IR_LOOP]) { /* Quick check to avoid crossing LOOP. */ - IRIns *ir; - /* Check for any intervening guards or conflicting loads. */ - for (ir = IR(J->cur.nins-1); ir > store; ir--) - if (irt_isguard(ir->t) || (ir->o == IR_FLOAD && ir->op2 == xr->op2)) - goto doemit; /* No elimination possible. */ - /* Remove redundant store from chain and replace with NOP. */ - *refp = store->prev; - store->o = IR_NOP; - store->t.irt = IRT_NIL; - store->op1 = store->op2 = 0; - store->prev = 0; - /* Now emit the new store instead. */ - } - goto doemit; - } - ref = *(refp = &store->prev); - } -doemit: - return EMITFOLD; /* Otherwise we have a conflict or simply no match. */ -} - -/* -- XLOAD forwarding and XSTORE elimination ----------------------------- */ - -/* Find cdata allocation for a reference (if any). */ -static IRIns *aa_findcnew(jit_State *J, IRIns *ir) -{ - while (ir->o == IR_ADD) { - if (!irref_isk(ir->op1)) { - IRIns *ir1 = aa_findcnew(J, IR(ir->op1)); /* Left-recursion. */ - if (ir1) return ir1; - } - if (irref_isk(ir->op2)) return NULL; - ir = IR(ir->op2); /* Flatten right-recursion. */ - } - return ir->o == IR_CNEW ? ir : NULL; -} - -/* Alias analysis for two cdata allocations. */ -static AliasRet aa_cnew(jit_State *J, IRIns *refa, IRIns *refb) -{ - IRIns *cnewa = aa_findcnew(J, refa); - IRIns *cnewb = aa_findcnew(J, refb); - if (cnewa == cnewb) - return ALIAS_MAY; /* Same allocation or neither is an allocation. */ - if (cnewa && cnewb) - return ALIAS_NO; /* Two different allocations never alias. */ - if (cnewb) { cnewa = cnewb; refb = refa; } - return aa_escape(J, cnewa, refb); -} - -/* Alias analysis for XLOAD/XSTORE. */ -static AliasRet aa_xref(jit_State *J, IRIns *refa, IRIns *xa, IRIns *xb) -{ - ptrdiff_t ofsa = 0, ofsb = 0; - IRIns *refb = IR(xb->op1); - IRIns *basea = refa, *baseb = refb; - /* This implements (very) strict aliasing rules. - ** Different types do NOT alias, except for differences in signedness. - ** NYI: this also prevents type punning through unions. - */ - if (irt_sametype(xa->t, xb->t)) { - if (refa == refb) - return ALIAS_MUST; /* Shortcut for same refs with identical type. */ - } else if (!(irt_typerange(xa->t, IRT_I8, IRT_U64) && - ((xa->t.irt - IRT_I8) ^ (xb->t.irt - IRT_I8)) == 1)) { - return ALIAS_NO; - } - /* Offset-based disambiguation. */ - if (refa->o == IR_ADD && irref_isk(refa->op2)) { - IRIns *irk = IR(refa->op2); - basea = IR(refa->op1); - ofsa = (LJ_64 && irk->o == IR_KINT64) ? (ptrdiff_t)ir_k64(irk)->u64 : - (ptrdiff_t)irk->i; - if (basea == refb && ofsa != 0) - return ALIAS_NO; /* base+-ofs vs. base. */ - } - if (refb->o == IR_ADD && irref_isk(refb->op2)) { - IRIns *irk = IR(refb->op2); - baseb = IR(refb->op1); - ofsb = (LJ_64 && irk->o == IR_KINT64) ? (ptrdiff_t)ir_k64(irk)->u64 : - (ptrdiff_t)irk->i; - if (refa == baseb && ofsb != 0) - return ALIAS_NO; /* base vs. base+-ofs. */ - } - if (basea == baseb) { - /* This assumes strictly-typed, non-overlapping accesses. */ - if (ofsa != ofsb) - return ALIAS_NO; /* base+-o1 vs. base+-o2 and o1 != o2. */ - return ALIAS_MUST; /* Unsigned vs. signed access to the same address. */ - } - /* NYI: structural disambiguation. */ - return aa_cnew(J, basea, baseb); /* Try to disambiguate allocations. */ -} - -/* Return CSEd reference or 0. Caveat: swaps lower ref to the right! */ -static IRRef reassoc_trycse(jit_State *J, IROp op, IRRef op1, IRRef op2) -{ - IRRef ref = J->chain[op]; - IRRef lim = op1; - if (op2 > lim) { lim = op2; op2 = op1; op1 = lim; } - while (ref > lim) { - IRIns *ir = IR(ref); - if (ir->op1 == op1 && ir->op2 == op2) - return ref; - ref = ir->prev; - } - return 0; -} - -/* Reassociate index references. */ -static IRRef reassoc_xref(jit_State *J, IRIns *ir) -{ - ptrdiff_t ofs = 0; - if (ir->o == IR_ADD && irref_isk(ir->op2)) { /* Get constant offset. */ - IRIns *irk = IR(ir->op2); - ofs = (LJ_64 && irk->o == IR_KINT64) ? (ptrdiff_t)ir_k64(irk)->u64 : - (ptrdiff_t)irk->i; - ir = IR(ir->op1); - } - if (ir->o == IR_ADD) { /* Add of base + index. */ - /* Index ref > base ref for loop-carried dependences. Only check op1. */ - IRIns *ir2, *ir1 = IR(ir->op1); - int32_t shift = 0; - IRRef idxref; - /* Determine index shifts. Don't bother with IR_MUL here. */ - if (ir1->o == IR_BSHL && irref_isk(ir1->op2)) - shift = IR(ir1->op2)->i; - else if (ir1->o == IR_ADD && ir1->op1 == ir1->op2) - shift = 1; - else - ir1 = ir; - ir2 = IR(ir1->op1); - /* A non-reassociated add. Must be a loop-carried dependence. */ - if (ir2->o == IR_ADD && irt_isint(ir2->t) && irref_isk(ir2->op2)) - ofs += (ptrdiff_t)IR(ir2->op2)->i << shift; - else - return 0; - idxref = ir2->op1; - /* Try to CSE the reassociated chain. Give up if not found. */ - if (ir1 != ir && - !(idxref = reassoc_trycse(J, ir1->o, idxref, - ir1->o == IR_BSHL ? ir1->op2 : idxref))) - return 0; - if (!(idxref = reassoc_trycse(J, IR_ADD, idxref, ir->op2))) - return 0; - if (ofs != 0) { - IRRef refk = tref_ref(lj_ir_kintp(J, ofs)); - if (!(idxref = reassoc_trycse(J, IR_ADD, idxref, refk))) - return 0; - } - return idxref; /* Success, found a reassociated index reference. Phew. */ - } - return 0; /* Failure. */ -} - -/* XLOAD forwarding. */ -TRef LJ_FASTCALL lj_opt_fwd_xload(jit_State *J) -{ - IRRef xref = fins->op1; - IRIns *xr = IR(xref); - IRRef lim = xref; /* Search limit. */ - IRRef ref; - - if ((fins->op2 & IRXLOAD_READONLY)) - goto cselim; - if ((fins->op2 & IRXLOAD_VOLATILE)) - goto doemit; - - /* Search for conflicting stores. */ - ref = J->chain[IR_XSTORE]; -retry: - if (J->chain[IR_CALLXS] > lim) lim = J->chain[IR_CALLXS]; - if (J->chain[IR_XBAR] > lim) lim = J->chain[IR_XBAR]; - while (ref > lim) { - IRIns *store = IR(ref); - switch (aa_xref(J, xr, fins, store)) { - case ALIAS_NO: break; /* Continue searching. */ - case ALIAS_MAY: lim = ref; goto cselim; /* Limit search for load. */ - case ALIAS_MUST: - /* Emit conversion if the loaded type doesn't match the forwarded type. */ - if (!irt_sametype(fins->t, IR(store->op2)->t)) { - IRType st = irt_type(fins->t); - if (st == IRT_I8 || st == IRT_I16) { /* Trunc + sign-extend. */ - st |= IRCONV_SEXT; - } else if (st == IRT_U8 || st == IRT_U16) { /* Trunc + zero-extend. */ - } else if (st == IRT_INT && !irt_isint(IR(store->op2)->t)) { - st = irt_type(IR(store->op2)->t); /* Needs dummy CONV.int.*. */ - } else { /* I64/U64 are boxed, U32 is hidden behind a CONV.num.u32. */ - goto store_fwd; - } - fins->ot = IRTI(IR_CONV); - fins->op1 = store->op2; - fins->op2 = (IRT_INT<<5)|st; - return RETRYFOLD; - } - store_fwd: - return store->op2; /* Store forwarding. */ - } - ref = store->prev; - } - -cselim: - /* Try to find a matching load. Below the conflicting store, if any. */ - ref = J->chain[IR_XLOAD]; - while (ref > lim) { - /* CSE for XLOAD depends on the type, but not on the IRXLOAD_* flags. */ - if (IR(ref)->op1 == xref && irt_sametype(IR(ref)->t, fins->t)) - return ref; - ref = IR(ref)->prev; - } - - /* Reassociate XLOAD across PHIs to handle a[i-1] forwarding case. */ - if (!(fins->op2 & IRXLOAD_READONLY) && J->chain[IR_LOOP] && - xref == fins->op1 && (xref = reassoc_xref(J, xr)) != 0) { - ref = J->chain[IR_XSTORE]; - while (ref > lim) /* Skip stores that have already been checked. */ - ref = IR(ref)->prev; - lim = xref; - xr = IR(xref); - goto retry; /* Retry with the reassociated reference. */ - } -doemit: - return EMITFOLD; -} - -/* XSTORE elimination. */ -TRef LJ_FASTCALL lj_opt_dse_xstore(jit_State *J) -{ - IRRef xref = fins->op1; - IRIns *xr = IR(xref); - IRRef lim = xref; /* Search limit. */ - IRRef val = fins->op2; /* Stored value reference. */ - IRRef1 *refp = &J->chain[IR_XSTORE]; - IRRef ref = *refp; - if (J->chain[IR_CALLXS] > lim) lim = J->chain[IR_CALLXS]; - if (J->chain[IR_XBAR] > lim) lim = J->chain[IR_XBAR]; - while (ref > lim) { /* Search for redundant or conflicting stores. */ - IRIns *store = IR(ref); - switch (aa_xref(J, xr, fins, store)) { - case ALIAS_NO: - break; /* Continue searching. */ - case ALIAS_MAY: - if (store->op2 != val) /* Conflict if the value is different. */ - goto doemit; - break; /* Otherwise continue searching. */ - case ALIAS_MUST: - if (store->op2 == val) /* Same value: drop the new store. */ - return DROPFOLD; - /* Different value: try to eliminate the redundant store. */ - if (ref > J->chain[IR_LOOP]) { /* Quick check to avoid crossing LOOP. */ - IRIns *ir; - /* Check for any intervening guards or any XLOADs (no AA performed). */ - for (ir = IR(J->cur.nins-1); ir > store; ir--) - if (irt_isguard(ir->t) || ir->o == IR_XLOAD) - goto doemit; /* No elimination possible. */ - /* Remove redundant store from chain and replace with NOP. */ - *refp = store->prev; - store->o = IR_NOP; - store->t.irt = IRT_NIL; - store->op1 = store->op2 = 0; - store->prev = 0; - /* Now emit the new store instead. */ - } - goto doemit; - } - ref = *(refp = &store->prev); - } -doemit: - return EMITFOLD; /* Otherwise we have a conflict or simply no match. */ -} - -/* -- Forwarding of lj_tab_len -------------------------------------------- */ - -/* This is rather simplistic right now, but better than nothing. */ -TRef LJ_FASTCALL lj_opt_fwd_tab_len(jit_State *J) -{ - IRRef tab = fins->op1; /* Table reference. */ - IRRef lim = tab; /* Search limit. */ - IRRef ref; - - /* Any ASTORE is a conflict and limits the search. */ - if (J->chain[IR_ASTORE] > lim) lim = J->chain[IR_ASTORE]; - - /* Search for conflicting HSTORE with numeric key. */ - ref = J->chain[IR_HSTORE]; - while (ref > lim) { - IRIns *store = IR(ref); - IRIns *href = IR(store->op1); - IRIns *key = IR(href->op2); - if (irt_isnum(key->o == IR_KSLOT ? IR(key->op1)->t : key->t)) { - lim = ref; /* Conflicting store found, limits search for TLEN. */ - break; - } - ref = store->prev; - } - - /* Try to find a matching load. Below the conflicting store, if any. */ - return lj_opt_cselim(J, lim); -} - -/* -- ASTORE/HSTORE previous type analysis -------------------------------- */ - -/* Check whether the previous value for a table store is non-nil. -** This can be derived either from a previous store or from a previous -** load (because all loads from tables perform a type check). -** -** The result of the analysis can be used to avoid the metatable check -** and the guard against HREF returning niltv. Both of these are cheap, -** so let's not spend too much effort on the analysis. -** -** A result of 1 is exact: previous value CANNOT be nil. -** A result of 0 is inexact: previous value MAY be nil. -*/ -int lj_opt_fwd_wasnonnil(jit_State *J, IROpT loadop, IRRef xref) -{ - /* First check stores. */ - IRRef ref = J->chain[loadop+IRDELTA_L2S]; - while (ref > xref) { - IRIns *store = IR(ref); - if (store->op1 == xref) { /* Same xREF. */ - /* A nil store MAY alias, but a non-nil store MUST alias. */ - return !irt_isnil(store->t); - } else if (irt_isnil(store->t)) { /* Must check any nil store. */ - IRRef skref = IR(store->op1)->op2; - IRRef xkref = IR(xref)->op2; - /* Same key type MAY alias. Need ALOAD check due to multiple int types. */ - if (loadop == IR_ALOAD || irt_sametype(IR(skref)->t, IR(xkref)->t)) { - if (skref == xkref || !irref_isk(skref) || !irref_isk(xkref)) - return 0; /* A nil store with same const key or var key MAY alias. */ - /* Different const keys CANNOT alias. */ - } /* Different key types CANNOT alias. */ - } /* Other non-nil stores MAY alias. */ - ref = store->prev; - } - - /* Check loads since nothing could be derived from stores. */ - ref = J->chain[loadop]; - while (ref > xref) { - IRIns *load = IR(ref); - if (load->op1 == xref) { /* Same xREF. */ - /* A nil load MAY alias, but a non-nil load MUST alias. */ - return !irt_isnil(load->t); - } /* Other non-nil loads MAY alias. */ - ref = load->prev; - } - return 0; /* Nothing derived at all, previous value MAY be nil. */ -} - -/* ------------------------------------------------------------------------ */ - -#undef IR -#undef fins -#undef fright - -#endif diff --git a/libraries/luajit-2.0/src/lj_opt_narrow.c b/libraries/luajit-2.0/src/lj_opt_narrow.c deleted file mode 100644 index d9d1e2b..0000000 --- a/libraries/luajit-2.0/src/lj_opt_narrow.c +++ /dev/null @@ -1,648 +0,0 @@ -/* -** NARROW: Narrowing of numbers to integers (double to int32_t). -** STRIPOV: Stripping of overflow checks. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_opt_narrow_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_str.h" -#include "lj_bc.h" -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_iropt.h" -#include "lj_trace.h" -#include "lj_vm.h" - -/* Rationale for narrowing optimizations: -** -** Lua has only a single number type and this is a FP double by default. -** Narrowing doubles to integers does not pay off for the interpreter on a -** current-generation x86/x64 machine. Most FP operations need the same -** amount of execution resources as their integer counterparts, except -** with slightly longer latencies. Longer latencies are a non-issue for -** the interpreter, since they are usually hidden by other overhead. -** -** The total CPU execution bandwidth is the sum of the bandwidth of the FP -** and the integer units, because they execute in parallel. The FP units -** have an equal or higher bandwidth than the integer units. Not using -** them means losing execution bandwidth. Moving work away from them to -** the already quite busy integer units is a losing proposition. -** -** The situation for JIT-compiled code is a bit different: the higher code -** density makes the extra latencies much more visible. Tight loops expose -** the latencies for updating the induction variables. Array indexing -** requires narrowing conversions with high latencies and additional -** guards (to check that the index is really an integer). And many common -** optimizations only work on integers. -** -** One solution would be speculative, eager narrowing of all number loads. -** This causes many problems, like losing -0 or the need to resolve type -** mismatches between traces. It also effectively forces the integer type -** to have overflow-checking semantics. This impedes many basic -** optimizations and requires adding overflow checks to all integer -** arithmetic operations (whereas FP arithmetics can do without). -** -** Always replacing an FP op with an integer op plus an overflow check is -** counter-productive on a current-generation super-scalar CPU. Although -** the overflow check branches are highly predictable, they will clog the -** execution port for the branch unit and tie up reorder buffers. This is -** turning a pure data-flow dependency into a different data-flow -** dependency (with slightly lower latency) *plus* a control dependency. -** In general, you don't want to do this since latencies due to data-flow -** dependencies can be well hidden by out-of-order execution. -** -** A better solution is to keep all numbers as FP values and only narrow -** when it's beneficial to do so. LuaJIT uses predictive narrowing for -** induction variables and demand-driven narrowing for index expressions, -** integer arguments and bit operations. Additionally it can eliminate or -** hoist most of the resulting overflow checks. Regular arithmetic -** computations are never narrowed to integers. -** -** The integer type in the IR has convenient wrap-around semantics and -** ignores overflow. Extra operations have been added for -** overflow-checking arithmetic (ADDOV/SUBOV) instead of an extra type. -** Apart from reducing overall complexity of the compiler, this also -** nicely solves the problem where you want to apply algebraic -** simplifications to ADD, but not to ADDOV. And the x86/x64 assembler can -** use lea instead of an add for integer ADD, but not for ADDOV (lea does -** not affect the flags, but it helps to avoid register moves). -** -** -** All of the above has to be reconsidered for architectures with slow FP -** operations or without a hardware FPU. The dual-number mode of LuaJIT -** addresses this issue. Arithmetic operations are performed on integers -** as far as possible and overflow checks are added as needed. -** -** This implies that narrowing for integer arguments and bit operations -** should also strip overflow checks, e.g. replace ADDOV with ADD. The -** original overflow guards are weak and can be eliminated by DCE, if -** there's no other use. -** -** A slight twist is that it's usually beneficial to use overflow-checked -** integer arithmetics if all inputs are already integers. This is the only -** change that affects the single-number mode, too. -*/ - -/* Some local macros to save typing. Undef'd at the end. */ -#define IR(ref) (&J->cur.ir[(ref)]) -#define fins (&J->fold.ins) - -/* Pass IR on to next optimization in chain (FOLD). */ -#define emitir(ot, a, b) (lj_ir_set(J, (ot), (a), (b)), lj_opt_fold(J)) - -#define emitir_raw(ot, a, b) (lj_ir_set(J, (ot), (a), (b)), lj_ir_emit(J)) - -/* -- Elimination of narrowing type conversions --------------------------- */ - -/* Narrowing of index expressions and bit operations is demand-driven. The -** trace recorder emits a narrowing type conversion (CONV.int.num or TOBIT) -** in all of these cases (e.g. array indexing or string indexing). FOLD -** already takes care of eliminating simple redundant conversions like -** CONV.int.num(CONV.num.int(x)) ==> x. -** -** But the surrounding code is FP-heavy and arithmetic operations are -** performed on FP numbers (for the single-number mode). Consider a common -** example such as 'x=t[i+1]', with 'i' already an integer (due to induction -** variable narrowing). The index expression would be recorded as -** CONV.int.num(ADD(CONV.num.int(i), 1)) -** which is clearly suboptimal. -** -** One can do better by recursively backpropagating the narrowing type -** conversion across FP arithmetic operations. This turns FP ops into -** their corresponding integer counterparts. Depending on the semantics of -** the conversion they also need to check for overflow. Currently only ADD -** and SUB are supported. -** -** The above example can be rewritten as -** ADDOV(CONV.int.num(CONV.num.int(i)), 1) -** and then into ADDOV(i, 1) after folding of the conversions. The original -** FP ops remain in the IR and are eliminated by DCE since all references to -** them are gone. -** -** [In dual-number mode the trace recorder already emits ADDOV etc., but -** this can be further reduced. See below.] -** -** Special care has to be taken to avoid narrowing across an operation -** which is potentially operating on non-integral operands. One obvious -** case is when an expression contains a non-integral constant, but ends -** up as an integer index at runtime (like t[x+1.5] with x=0.5). -** -** Operations with two non-constant operands illustrate a similar problem -** (like t[a+b] with a=1.5 and b=2.5). Backpropagation has to stop there, -** unless it can be proven that either operand is integral (e.g. by CSEing -** a previous conversion). As a not-so-obvious corollary this logic also -** applies for a whole expression tree (e.g. t[(a+1)+(b+1)]). -** -** Correctness of the transformation is guaranteed by avoiding to expand -** the tree by adding more conversions than the one we would need to emit -** if not backpropagating. TOBIT employs a more optimistic rule, because -** the conversion has special semantics, designed to make the life of the -** compiler writer easier. ;-) -** -** Using on-the-fly backpropagation of an expression tree doesn't work -** because it's unknown whether the transform is correct until the end. -** This either requires IR rollback and cache invalidation for every -** subtree or a two-pass algorithm. The former didn't work out too well, -** so the code now combines a recursive collector with a stack-based -** emitter. -** -** [A recursive backpropagation algorithm with backtracking, employing -** skip-list lookup and round-robin caching, emitting stack operations -** on-the-fly for a stack-based interpreter -- and all of that in a meager -** kilobyte? Yep, compilers are a great treasure chest. Throw away your -** textbooks and read the codebase of a compiler today!] -** -** There's another optimization opportunity for array indexing: it's -** always accompanied by an array bounds-check. The outermost overflow -** check may be delegated to the ABC operation. This works because ABC is -** an unsigned comparison and wrap-around due to overflow creates negative -** numbers. -** -** But this optimization is only valid for constants that cannot overflow -** an int32_t into the range of valid array indexes [0..2^27+1). A check -** for +-2^30 is safe since -2^31 - 2^30 wraps to 2^30 and 2^31-1 + 2^30 -** wraps to -2^30-1. -** -** It's also good enough in practice, since e.g. t[i+1] or t[i-10] are -** quite common. So the above example finally ends up as ADD(i, 1)! -** -** Later on, the assembler is able to fuse the whole array reference and -** the ADD into the memory operands of loads and other instructions. This -** is why LuaJIT is able to generate very pretty (and fast) machine code -** for array indexing. And that, my dear, concludes another story about -** one of the hidden secrets of LuaJIT ... -*/ - -/* Maximum backpropagation depth and maximum stack size. */ -#define NARROW_MAX_BACKPROP 100 -#define NARROW_MAX_STACK 256 - -/* The stack machine has a 32 bit instruction format: [IROpT | IRRef1] -** The lower 16 bits hold a reference (or 0). The upper 16 bits hold -** the IR opcode + type or one of the following special opcodes: -*/ -enum { - NARROW_REF, /* Push ref. */ - NARROW_CONV, /* Push conversion of ref. */ - NARROW_SEXT, /* Push sign-extension of ref. */ - NARROW_INT /* Push KINT ref. The next code holds an int32_t. */ -}; - -typedef uint32_t NarrowIns; - -#define NARROWINS(op, ref) (((op) << 16) + (ref)) -#define narrow_op(ins) ((IROpT)((ins) >> 16)) -#define narrow_ref(ins) ((IRRef1)(ins)) - -/* Context used for narrowing of type conversions. */ -typedef struct NarrowConv { - jit_State *J; /* JIT compiler state. */ - NarrowIns *sp; /* Current stack pointer. */ - NarrowIns *maxsp; /* Maximum stack pointer minus redzone. */ - int lim; /* Limit on the number of emitted conversions. */ - IRRef mode; /* Conversion mode (IRCONV_*). */ - IRType t; /* Destination type: IRT_INT or IRT_I64. */ - NarrowIns stack[NARROW_MAX_STACK]; /* Stack holding stack-machine code. */ -} NarrowConv; - -/* Lookup a reference in the backpropagation cache. */ -static BPropEntry *narrow_bpc_get(jit_State *J, IRRef1 key, IRRef mode) -{ - ptrdiff_t i; - for (i = 0; i < BPROP_SLOTS; i++) { - BPropEntry *bp = &J->bpropcache[i]; - /* Stronger checks are ok, too. */ - if (bp->key == key && bp->mode >= mode && - ((bp->mode ^ mode) & IRCONV_MODEMASK) == 0) - return bp; - } - return NULL; -} - -/* Add an entry to the backpropagation cache. */ -static void narrow_bpc_set(jit_State *J, IRRef1 key, IRRef1 val, IRRef mode) -{ - uint32_t slot = J->bpropslot; - BPropEntry *bp = &J->bpropcache[slot]; - J->bpropslot = (slot + 1) & (BPROP_SLOTS-1); - bp->key = key; - bp->val = val; - bp->mode = mode; -} - -/* Backpropagate overflow stripping. */ -static void narrow_stripov_backprop(NarrowConv *nc, IRRef ref, int depth) -{ - jit_State *J = nc->J; - IRIns *ir = IR(ref); - if (ir->o == IR_ADDOV || ir->o == IR_SUBOV || - (ir->o == IR_MULOV && (nc->mode & IRCONV_CONVMASK) == IRCONV_ANY)) { - BPropEntry *bp = narrow_bpc_get(nc->J, ref, IRCONV_TOBIT); - if (bp) { - ref = bp->val; - } else if (++depth < NARROW_MAX_BACKPROP && nc->sp < nc->maxsp) { - narrow_stripov_backprop(nc, ir->op1, depth); - narrow_stripov_backprop(nc, ir->op2, depth); - *nc->sp++ = NARROWINS(IRT(ir->o - IR_ADDOV + IR_ADD, IRT_INT), ref); - return; - } - } - *nc->sp++ = NARROWINS(NARROW_REF, ref); -} - -/* Backpropagate narrowing conversion. Return number of needed conversions. */ -static int narrow_conv_backprop(NarrowConv *nc, IRRef ref, int depth) -{ - jit_State *J = nc->J; - IRIns *ir = IR(ref); - IRRef cref; - - /* Check the easy cases first. */ - if (ir->o == IR_CONV && (ir->op2 & IRCONV_SRCMASK) == IRT_INT) { - if ((nc->mode & IRCONV_CONVMASK) <= IRCONV_ANY) - narrow_stripov_backprop(nc, ir->op1, depth+1); - else - *nc->sp++ = NARROWINS(NARROW_REF, ir->op1); /* Undo conversion. */ - if (nc->t == IRT_I64) - *nc->sp++ = NARROWINS(NARROW_SEXT, 0); /* Sign-extend integer. */ - return 0; - } else if (ir->o == IR_KNUM) { /* Narrow FP constant. */ - lua_Number n = ir_knum(ir)->n; - if ((nc->mode & IRCONV_CONVMASK) == IRCONV_TOBIT) { - /* Allows a wider range of constants. */ - int64_t k64 = (int64_t)n; - if (n == (lua_Number)k64) { /* Only if const doesn't lose precision. */ - *nc->sp++ = NARROWINS(NARROW_INT, 0); - *nc->sp++ = (NarrowIns)k64; /* But always truncate to 32 bits. */ - return 0; - } - } else { - int32_t k = lj_num2int(n); - /* Only if constant is a small integer. */ - if (checki16(k) && n == (lua_Number)k) { - *nc->sp++ = NARROWINS(NARROW_INT, 0); - *nc->sp++ = (NarrowIns)k; - return 0; - } - } - return 10; /* Never narrow other FP constants (this is rare). */ - } - - /* Try to CSE the conversion. Stronger checks are ok, too. */ - cref = J->chain[fins->o]; - while (cref > ref) { - IRIns *cr = IR(cref); - if (cr->op1 == ref && - (fins->o == IR_TOBIT || - ((cr->op2 & IRCONV_MODEMASK) == (nc->mode & IRCONV_MODEMASK) && - irt_isguard(cr->t) >= irt_isguard(fins->t)))) { - *nc->sp++ = NARROWINS(NARROW_REF, cref); - return 0; /* Already there, no additional conversion needed. */ - } - cref = cr->prev; - } - - /* Backpropagate across ADD/SUB. */ - if (ir->o == IR_ADD || ir->o == IR_SUB) { - /* Try cache lookup first. */ - IRRef mode = nc->mode; - BPropEntry *bp; - /* Inner conversions need a stronger check. */ - if ((mode & IRCONV_CONVMASK) == IRCONV_INDEX && depth > 0) - mode += IRCONV_CHECK-IRCONV_INDEX; - bp = narrow_bpc_get(nc->J, (IRRef1)ref, mode); - if (bp) { - *nc->sp++ = NARROWINS(NARROW_REF, bp->val); - return 0; - } else if (nc->t == IRT_I64) { - /* Try sign-extending from an existing (checked) conversion to int. */ - mode = (IRT_INT<<5)|IRT_NUM|IRCONV_INDEX; - bp = narrow_bpc_get(nc->J, (IRRef1)ref, mode); - if (bp) { - *nc->sp++ = NARROWINS(NARROW_REF, bp->val); - *nc->sp++ = NARROWINS(NARROW_SEXT, 0); - return 0; - } - } - if (++depth < NARROW_MAX_BACKPROP && nc->sp < nc->maxsp) { - NarrowIns *savesp = nc->sp; - int count = narrow_conv_backprop(nc, ir->op1, depth); - count += narrow_conv_backprop(nc, ir->op2, depth); - if (count <= nc->lim) { /* Limit total number of conversions. */ - *nc->sp++ = NARROWINS(IRT(ir->o, nc->t), ref); - return count; - } - nc->sp = savesp; /* Too many conversions, need to backtrack. */ - } - } - - /* Otherwise add a conversion. */ - *nc->sp++ = NARROWINS(NARROW_CONV, ref); - return 1; -} - -/* Emit the conversions collected during backpropagation. */ -static IRRef narrow_conv_emit(jit_State *J, NarrowConv *nc) -{ - /* The fins fields must be saved now -- emitir() overwrites them. */ - IROpT guardot = irt_isguard(fins->t) ? IRTG(IR_ADDOV-IR_ADD, 0) : 0; - IROpT convot = fins->ot; - IRRef1 convop2 = fins->op2; - NarrowIns *next = nc->stack; /* List of instructions from backpropagation. */ - NarrowIns *last = nc->sp; - NarrowIns *sp = nc->stack; /* Recycle the stack to store operands. */ - while (next < last) { /* Simple stack machine to process the ins. list. */ - NarrowIns ref = *next++; - IROpT op = narrow_op(ref); - if (op == NARROW_REF) { - *sp++ = ref; - } else if (op == NARROW_CONV) { - *sp++ = emitir_raw(convot, ref, convop2); /* Raw emit avoids a loop. */ - } else if (op == NARROW_SEXT) { - lua_assert(sp >= nc->stack+1); - sp[-1] = emitir(IRT(IR_CONV, IRT_I64), sp[-1], - (IRT_I64<<5)|IRT_INT|IRCONV_SEXT); - } else if (op == NARROW_INT) { - lua_assert(next < last); - *sp++ = nc->t == IRT_I64 ? - lj_ir_kint64(J, (int64_t)(int32_t)*next++) : - lj_ir_kint(J, *next++); - } else { /* Regular IROpT. Pops two operands and pushes one result. */ - IRRef mode = nc->mode; - lua_assert(sp >= nc->stack+2); - sp--; - /* Omit some overflow checks for array indexing. See comments above. */ - if ((mode & IRCONV_CONVMASK) == IRCONV_INDEX) { - if (next == last && irref_isk(narrow_ref(sp[0])) && - (uint32_t)IR(narrow_ref(sp[0]))->i + 0x40000000u < 0x80000000u) - guardot = 0; - else /* Otherwise cache a stronger check. */ - mode += IRCONV_CHECK-IRCONV_INDEX; - } - sp[-1] = emitir(op+guardot, sp[-1], sp[0]); - /* Add to cache. */ - if (narrow_ref(ref)) - narrow_bpc_set(J, narrow_ref(ref), narrow_ref(sp[-1]), mode); - } - } - lua_assert(sp == nc->stack+1); - return nc->stack[0]; -} - -/* Narrow a type conversion of an arithmetic operation. */ -TRef LJ_FASTCALL lj_opt_narrow_convert(jit_State *J) -{ - if ((J->flags & JIT_F_OPT_NARROW)) { - NarrowConv nc; - nc.J = J; - nc.sp = nc.stack; - nc.maxsp = &nc.stack[NARROW_MAX_STACK-4]; - nc.t = irt_type(fins->t); - if (fins->o == IR_TOBIT) { - nc.mode = IRCONV_TOBIT; /* Used only in the backpropagation cache. */ - nc.lim = 2; /* TOBIT can use a more optimistic rule. */ - } else { - nc.mode = fins->op2; - nc.lim = 1; - } - if (narrow_conv_backprop(&nc, fins->op1, 0) <= nc.lim) - return narrow_conv_emit(J, &nc); - } - return NEXTFOLD; -} - -/* -- Narrowing of implicit conversions ----------------------------------- */ - -/* Recursively strip overflow checks. */ -static TRef narrow_stripov(jit_State *J, TRef tr, int lastop, IRRef mode) -{ - IRRef ref = tref_ref(tr); - IRIns *ir = IR(ref); - int op = ir->o; - if (op >= IR_ADDOV && op <= lastop) { - BPropEntry *bp = narrow_bpc_get(J, ref, mode); - if (bp) { - return TREF(bp->val, irt_t(IR(bp->val)->t)); - } else { - IRRef op1 = ir->op1, op2 = ir->op2; /* The IR may be reallocated. */ - op1 = narrow_stripov(J, op1, lastop, mode); - op2 = narrow_stripov(J, op2, lastop, mode); - tr = emitir(IRT(op - IR_ADDOV + IR_ADD, - ((mode & IRCONV_DSTMASK) >> IRCONV_DSH)), op1, op2); - narrow_bpc_set(J, ref, tref_ref(tr), mode); - } - } else if (LJ_64 && (mode & IRCONV_SEXT) && !irt_is64(ir->t)) { - tr = emitir(IRT(IR_CONV, IRT_INTP), tr, mode); - } - return tr; -} - -/* Narrow array index. */ -TRef LJ_FASTCALL lj_opt_narrow_index(jit_State *J, TRef tr) -{ - IRIns *ir; - lua_assert(tref_isnumber(tr)); - if (tref_isnum(tr)) /* Conversion may be narrowed, too. See above. */ - return emitir(IRTGI(IR_CONV), tr, IRCONV_INT_NUM|IRCONV_INDEX); - /* Omit some overflow checks for array indexing. See comments above. */ - ir = IR(tref_ref(tr)); - if ((ir->o == IR_ADDOV || ir->o == IR_SUBOV) && irref_isk(ir->op2) && - (uint32_t)IR(ir->op2)->i + 0x40000000u < 0x80000000u) - return emitir(IRTI(ir->o - IR_ADDOV + IR_ADD), ir->op1, ir->op2); - return tr; -} - -/* Narrow conversion to integer operand (overflow undefined). */ -TRef LJ_FASTCALL lj_opt_narrow_toint(jit_State *J, TRef tr) -{ - if (tref_isstr(tr)) - tr = emitir(IRTG(IR_STRTO, IRT_NUM), tr, 0); - if (tref_isnum(tr)) /* Conversion may be narrowed, too. See above. */ - return emitir(IRTI(IR_CONV), tr, IRCONV_INT_NUM|IRCONV_ANY); - if (!tref_isinteger(tr)) - lj_trace_err(J, LJ_TRERR_BADTYPE); - /* - ** Undefined overflow semantics allow stripping of ADDOV, SUBOV and MULOV. - ** Use IRCONV_TOBIT for the cache entries, since the semantics are the same. - */ - return narrow_stripov(J, tr, IR_MULOV, (IRT_INT<<5)|IRT_INT|IRCONV_TOBIT); -} - -/* Narrow conversion to bitop operand (overflow wrapped). */ -TRef LJ_FASTCALL lj_opt_narrow_tobit(jit_State *J, TRef tr) -{ - if (tref_isstr(tr)) - tr = emitir(IRTG(IR_STRTO, IRT_NUM), tr, 0); - if (tref_isnum(tr)) /* Conversion may be narrowed, too. See above. */ - return emitir(IRTI(IR_TOBIT), tr, lj_ir_knum_tobit(J)); - if (!tref_isinteger(tr)) - lj_trace_err(J, LJ_TRERR_BADTYPE); - /* - ** Wrapped overflow semantics allow stripping of ADDOV and SUBOV. - ** MULOV cannot be stripped due to precision widening. - */ - return narrow_stripov(J, tr, IR_SUBOV, (IRT_INT<<5)|IRT_INT|IRCONV_TOBIT); -} - -#if LJ_HASFFI -/* Narrow C array index (overflow undefined). */ -TRef LJ_FASTCALL lj_opt_narrow_cindex(jit_State *J, TRef tr) -{ - lua_assert(tref_isnumber(tr)); - if (tref_isnum(tr)) - return emitir(IRT(IR_CONV, IRT_INTP), tr, - (IRT_INTP<<5)|IRT_NUM|IRCONV_TRUNC|IRCONV_ANY); - /* Undefined overflow semantics allow stripping of ADDOV, SUBOV and MULOV. */ - return narrow_stripov(J, tr, IR_MULOV, - LJ_64 ? ((IRT_INTP<<5)|IRT_INT|IRCONV_SEXT) : - ((IRT_INTP<<5)|IRT_INT|IRCONV_TOBIT)); -} -#endif - -/* -- Narrowing of arithmetic operators ----------------------------------- */ - -/* Check whether a number fits into an int32_t (-0 is ok, too). */ -static int numisint(lua_Number n) -{ - return (n == (lua_Number)lj_num2int(n)); -} - -/* Narrowing of arithmetic operations. */ -TRef lj_opt_narrow_arith(jit_State *J, TRef rb, TRef rc, - TValue *vb, TValue *vc, IROp op) -{ - if (tref_isstr(rb)) { - rb = emitir(IRTG(IR_STRTO, IRT_NUM), rb, 0); - lj_str_tonum(strV(vb), vb); - } - if (tref_isstr(rc)) { - rc = emitir(IRTG(IR_STRTO, IRT_NUM), rc, 0); - lj_str_tonum(strV(vc), vc); - } - /* Must not narrow MUL in non-DUALNUM variant, because it loses -0. */ - if ((op >= IR_ADD && op <= (LJ_DUALNUM ? IR_MUL : IR_SUB)) && - tref_isinteger(rb) && tref_isinteger(rc) && - numisint(lj_vm_foldarith(numberVnum(vb), numberVnum(vc), - (int)op - (int)IR_ADD))) - return emitir(IRTGI((int)op - (int)IR_ADD + (int)IR_ADDOV), rb, rc); - if (!tref_isnum(rb)) rb = emitir(IRTN(IR_CONV), rb, IRCONV_NUM_INT); - if (!tref_isnum(rc)) rc = emitir(IRTN(IR_CONV), rc, IRCONV_NUM_INT); - return emitir(IRTN(op), rb, rc); -} - -/* Narrowing of unary minus operator. */ -TRef lj_opt_narrow_unm(jit_State *J, TRef rc, TValue *vc) -{ - if (tref_isstr(rc)) { - rc = emitir(IRTG(IR_STRTO, IRT_NUM), rc, 0); - lj_str_tonum(strV(vc), vc); - } - if (tref_isinteger(rc)) { - if ((uint32_t)numberVint(vc) != 0x80000000u) - return emitir(IRTGI(IR_SUBOV), lj_ir_kint(J, 0), rc); - rc = emitir(IRTN(IR_CONV), rc, IRCONV_NUM_INT); - } - return emitir(IRTN(IR_NEG), rc, lj_ir_knum_neg(J)); -} - -/* Narrowing of modulo operator. */ -TRef lj_opt_narrow_mod(jit_State *J, TRef rb, TRef rc, TValue *vc) -{ - TRef tmp; - if (tvisstr(vc) && !lj_str_tonum(strV(vc), vc)) - lj_trace_err(J, LJ_TRERR_BADTYPE); - if ((LJ_DUALNUM || (J->flags & JIT_F_OPT_NARROW)) && - tref_isinteger(rb) && tref_isinteger(rc) && - (tvisint(vc) ? intV(vc) != 0 : !tviszero(vc))) { - emitir(IRTGI(IR_NE), rc, lj_ir_kint(J, 0)); - return emitir(IRTI(IR_MOD), rb, rc); - } - /* b % c ==> b - floor(b/c)*c */ - rb = lj_ir_tonum(J, rb); - rc = lj_ir_tonum(J, rc); - tmp = emitir(IRTN(IR_DIV), rb, rc); - tmp = emitir(IRTN(IR_FPMATH), tmp, IRFPM_FLOOR); - tmp = emitir(IRTN(IR_MUL), tmp, rc); - return emitir(IRTN(IR_SUB), rb, tmp); -} - -/* Narrowing of power operator or math.pow. */ -TRef lj_opt_narrow_pow(jit_State *J, TRef rb, TRef rc, TValue *vc) -{ - if (tvisstr(vc) && !lj_str_tonum(strV(vc), vc)) - lj_trace_err(J, LJ_TRERR_BADTYPE); - /* Narrowing must be unconditional to preserve (-x)^i semantics. */ - if (tvisint(vc) || numisint(numV(vc))) { - int checkrange = 0; - /* Split pow is faster for bigger exponents. But do this only for (+k)^i. */ - if (tref_isk(rb) && (int32_t)ir_knum(IR(tref_ref(rb)))->u32.hi >= 0) { - int32_t k = numberVint(vc); - if (!(k >= -65536 && k <= 65536)) goto split_pow; - checkrange = 1; - } - if (!tref_isinteger(rc)) { - if (tref_isstr(rc)) - rc = emitir(IRTG(IR_STRTO, IRT_NUM), rc, 0); - /* Guarded conversion to integer! */ - rc = emitir(IRTGI(IR_CONV), rc, IRCONV_INT_NUM|IRCONV_CHECK); - } - if (checkrange && !tref_isk(rc)) { /* Range guard: -65536 <= i <= 65536 */ - TRef tmp = emitir(IRTI(IR_ADD), rc, lj_ir_kint(J, 65536)); - emitir(IRTGI(IR_ULE), tmp, lj_ir_kint(J, 2*65536)); - } - return emitir(IRTN(IR_POW), rb, rc); - } -split_pow: - /* FOLD covers most cases, but some are easier to do here. */ - if (tref_isk(rb) && tvispone(ir_knum(IR(tref_ref(rb))))) - return rb; /* 1 ^ x ==> 1 */ - rc = lj_ir_tonum(J, rc); - if (tref_isk(rc) && ir_knum(IR(tref_ref(rc)))->n == 0.5) - return emitir(IRTN(IR_FPMATH), rb, IRFPM_SQRT); /* x ^ 0.5 ==> sqrt(x) */ - /* Split up b^c into exp2(c*log2(b)). Assembler may rejoin later. */ - rb = emitir(IRTN(IR_FPMATH), rb, IRFPM_LOG2); - rc = emitir(IRTN(IR_MUL), rb, rc); - return emitir(IRTN(IR_FPMATH), rc, IRFPM_EXP2); -} - -/* -- Predictive narrowing of induction variables ------------------------- */ - -/* Narrow a single runtime value. */ -static int narrow_forl(jit_State *J, cTValue *o) -{ - if (tvisint(o)) return 1; - if (LJ_DUALNUM || (J->flags & JIT_F_OPT_NARROW)) return numisint(numV(o)); - return 0; -} - -/* Narrow the FORL index type by looking at the runtime values. */ -IRType lj_opt_narrow_forl(jit_State *J, cTValue *tv) -{ - lua_assert(tvisnumber(&tv[FORL_IDX]) && - tvisnumber(&tv[FORL_STOP]) && - tvisnumber(&tv[FORL_STEP])); - /* Narrow only if the runtime values of start/stop/step are all integers. */ - if (narrow_forl(J, &tv[FORL_IDX]) && - narrow_forl(J, &tv[FORL_STOP]) && - narrow_forl(J, &tv[FORL_STEP])) { - /* And if the loop index can't possibly overflow. */ - lua_Number step = numberVnum(&tv[FORL_STEP]); - lua_Number sum = numberVnum(&tv[FORL_STOP]) + step; - if (0 <= step ? (sum <= 2147483647.0) : (sum >= -2147483648.0)) - return IRT_INT; - } - return IRT_NUM; -} - -#undef IR -#undef fins -#undef emitir -#undef emitir_raw - -#endif diff --git a/libraries/luajit-2.0/src/lj_opt_split.c b/libraries/luajit-2.0/src/lj_opt_split.c deleted file mode 100644 index 913a7a0..0000000 --- a/libraries/luajit-2.0/src/lj_opt_split.c +++ /dev/null @@ -1,723 +0,0 @@ -/* -** SPLIT: Split 64 bit IR instructions into 32 bit IR instructions. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_opt_split_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT && (LJ_SOFTFP || (LJ_32 && LJ_HASFFI)) - -#include "lj_err.h" -#include "lj_str.h" -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_ircall.h" -#include "lj_iropt.h" -#include "lj_vm.h" - -/* SPLIT pass: -** -** This pass splits up 64 bit IR instructions into multiple 32 bit IR -** instructions. It's only active for soft-float targets or for 32 bit CPUs -** which lack native 64 bit integer operations (the FFI is currently the -** only emitter for 64 bit integer instructions). -** -** Splitting the IR in a separate pass keeps each 32 bit IR assembler -** backend simple. Only a small amount of extra functionality needs to be -** implemented. This is much easier than adding support for allocating -** register pairs to each backend (believe me, I tried). A few simple, but -** important optimizations can be performed by the SPLIT pass, which would -** be tedious to do in the backend. -** -** The basic idea is to replace each 64 bit IR instruction with its 32 bit -** equivalent plus an extra HIOP instruction. The splitted IR is not passed -** through FOLD or any other optimizations, so each HIOP is guaranteed to -** immediately follow it's counterpart. The actual functionality of HIOP is -** inferred from the previous instruction. -** -** The operands of HIOP hold the hiword input references. The output of HIOP -** is the hiword output reference, which is also used to hold the hiword -** register or spill slot information. The register allocator treats this -** instruction independently of any other instruction, which improves code -** quality compared to using fixed register pairs. -** -** It's easier to split up some instructions into two regular 32 bit -** instructions. E.g. XLOAD is split up into two XLOADs with two different -** addresses. Obviously 64 bit constants need to be split up into two 32 bit -** constants, too. Some hiword instructions can be entirely omitted, e.g. -** when zero-extending a 32 bit value to 64 bits. 64 bit arguments for calls -** are split up into two 32 bit arguments each. -** -** On soft-float targets, floating-point instructions are directly converted -** to soft-float calls by the SPLIT pass (except for comparisons and MIN/MAX). -** HIOP for number results has the type IRT_SOFTFP ("sfp" in -jdump). -** -** Here's the IR and x64 machine code for 'x.b = x.a + 1' for a struct with -** two int64_t fields: -** -** 0100 p32 ADD base +8 -** 0101 i64 XLOAD 0100 -** 0102 i64 ADD 0101 +1 -** 0103 p32 ADD base +16 -** 0104 i64 XSTORE 0103 0102 -** -** mov rax, [esi+0x8] -** add rax, +0x01 -** mov [esi+0x10], rax -** -** Here's the transformed IR and the x86 machine code after the SPLIT pass: -** -** 0100 p32 ADD base +8 -** 0101 int XLOAD 0100 -** 0102 p32 ADD base +12 -** 0103 int XLOAD 0102 -** 0104 int ADD 0101 +1 -** 0105 int HIOP 0103 +0 -** 0106 p32 ADD base +16 -** 0107 int XSTORE 0106 0104 -** 0108 p32 ADD base +20 -** 0109 int XSTORE 0108 0105 -** -** mov eax, [esi+0x8] -** mov ecx, [esi+0xc] -** add eax, +0x01 -** adc ecx, +0x00 -** mov [esi+0x10], eax -** mov [esi+0x14], ecx -** -** You may notice the reassociated hiword address computation, which is -** later fused into the mov operands by the assembler. -*/ - -/* Some local macros to save typing. Undef'd at the end. */ -#define IR(ref) (&J->cur.ir[(ref)]) - -/* Directly emit the transformed IR without updating chains etc. */ -static IRRef split_emit(jit_State *J, uint16_t ot, IRRef1 op1, IRRef1 op2) -{ - IRRef nref = lj_ir_nextins(J); - IRIns *ir = IR(nref); - ir->ot = ot; - ir->op1 = op1; - ir->op2 = op2; - return nref; -} - -#if LJ_SOFTFP -/* Emit a (checked) number to integer conversion. */ -static IRRef split_num2int(jit_State *J, IRRef lo, IRRef hi, int check) -{ - IRRef tmp, res; -#if LJ_LE - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), lo, hi); -#else - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), hi, lo); -#endif - res = split_emit(J, IRTI(IR_CALLN), tmp, IRCALL_softfp_d2i); - if (check) { - tmp = split_emit(J, IRTI(IR_CALLN), res, IRCALL_softfp_i2d); - split_emit(J, IRT(IR_HIOP, IRT_SOFTFP), tmp, tmp); - split_emit(J, IRTGI(IR_EQ), tmp, lo); - split_emit(J, IRTG(IR_HIOP, IRT_SOFTFP), tmp+1, hi); - } - return res; -} - -/* Emit a CALLN with one split 64 bit argument. */ -static IRRef split_call_l(jit_State *J, IRRef1 *hisubst, IRIns *oir, - IRIns *ir, IRCallID id) -{ - IRRef tmp, op1 = ir->op1; - J->cur.nins--; -#if LJ_LE - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), oir[op1].prev, hisubst[op1]); -#else - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), hisubst[op1], oir[op1].prev); -#endif - ir->prev = tmp = split_emit(J, IRTI(IR_CALLN), tmp, id); - return split_emit(J, IRT(IR_HIOP, IRT_SOFTFP), tmp, tmp); -} - -/* Emit a CALLN with one split 64 bit argument and a 32 bit argument. */ -static IRRef split_call_li(jit_State *J, IRRef1 *hisubst, IRIns *oir, - IRIns *ir, IRCallID id) -{ - IRRef tmp, op1 = ir->op1, op2 = ir->op2; - J->cur.nins--; -#if LJ_LE - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), oir[op1].prev, hisubst[op1]); -#else - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), hisubst[op1], oir[op1].prev); -#endif - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), tmp, oir[op2].prev); - ir->prev = tmp = split_emit(J, IRTI(IR_CALLN), tmp, id); - return split_emit(J, IRT(IR_HIOP, IRT_SOFTFP), tmp, tmp); -} -#endif - -/* Emit a CALLN with two split 64 bit arguments. */ -static IRRef split_call_ll(jit_State *J, IRRef1 *hisubst, IRIns *oir, - IRIns *ir, IRCallID id) -{ - IRRef tmp, op1 = ir->op1, op2 = ir->op2; - J->cur.nins--; -#if LJ_LE - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), oir[op1].prev, hisubst[op1]); - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), tmp, oir[op2].prev); - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), tmp, hisubst[op2]); -#else - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), hisubst[op1], oir[op1].prev); - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), tmp, hisubst[op2]); - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), tmp, oir[op2].prev); -#endif - ir->prev = tmp = split_emit(J, IRTI(IR_CALLN), tmp, id); - return split_emit(J, - IRT(IR_HIOP, (LJ_SOFTFP && irt_isnum(ir->t)) ? IRT_SOFTFP : IRT_INT), - tmp, tmp); -} - -/* Get a pointer to the other 32 bit word (LE: hiword, BE: loword). */ -static IRRef split_ptr(jit_State *J, IRIns *oir, IRRef ref) -{ - IRRef nref = oir[ref].prev; - IRIns *ir = IR(nref); - int32_t ofs = 4; - if (ir->o == IR_ADD && irref_isk(ir->op2) && !irt_isphi(oir[ref].t)) { - /* Reassociate address. */ - ofs += IR(ir->op2)->i; - nref = ir->op1; - if (ofs == 0) return nref; - } - return split_emit(J, IRTI(IR_ADD), nref, lj_ir_kint(J, ofs)); -} - -/* Transform the old IR to the new IR. */ -static void split_ir(jit_State *J) -{ - IRRef nins = J->cur.nins, nk = J->cur.nk; - MSize irlen = nins - nk; - MSize need = (irlen+1)*(sizeof(IRIns) + sizeof(IRRef1)); - IRIns *oir = (IRIns *)lj_str_needbuf(J->L, &G(J->L)->tmpbuf, need); - IRRef1 *hisubst; - IRRef ref; - - /* Copy old IR to buffer. */ - memcpy(oir, IR(nk), irlen*sizeof(IRIns)); - /* Bias hiword substitution table and old IR. Loword kept in field prev. */ - hisubst = (IRRef1 *)&oir[irlen] - nk; - oir -= nk; - - /* Remove all IR instructions, but retain IR constants. */ - J->cur.nins = REF_FIRST; - J->loopref = 0; - - /* Process constants and fixed references. */ - for (ref = nk; ref <= REF_BASE; ref++) { - IRIns *ir = &oir[ref]; - if ((LJ_SOFTFP && ir->o == IR_KNUM) || ir->o == IR_KINT64) { - /* Split up 64 bit constant. */ - TValue tv = *ir_k64(ir); - ir->prev = lj_ir_kint(J, (int32_t)tv.u32.lo); - hisubst[ref] = lj_ir_kint(J, (int32_t)tv.u32.hi); - } else { - ir->prev = ref; /* Identity substitution for loword. */ - hisubst[ref] = 0; - } - } - - /* Process old IR instructions. */ - for (ref = REF_FIRST; ref < nins; ref++) { - IRIns *ir = &oir[ref]; - IRRef nref = lj_ir_nextins(J); - IRIns *nir = IR(nref); - IRRef hi = 0; - - /* Copy-substitute old instruction to new instruction. */ - nir->op1 = ir->op1 < nk ? ir->op1 : oir[ir->op1].prev; - nir->op2 = ir->op2 < nk ? ir->op2 : oir[ir->op2].prev; - ir->prev = nref; /* Loword substitution. */ - nir->o = ir->o; - nir->t.irt = ir->t.irt & ~(IRT_MARK|IRT_ISPHI); - hisubst[ref] = 0; - - /* Split 64 bit instructions. */ -#if LJ_SOFTFP - if (irt_isnum(ir->t)) { - nir->t.irt = IRT_INT | (nir->t.irt & IRT_GUARD); /* Turn into INT op. */ - /* Note: hi ref = lo ref + 1! Required for SNAP_SOFTFPNUM logic. */ - switch (ir->o) { - case IR_ADD: - hi = split_call_ll(J, hisubst, oir, ir, IRCALL_softfp_add); - break; - case IR_SUB: - hi = split_call_ll(J, hisubst, oir, ir, IRCALL_softfp_sub); - break; - case IR_MUL: - hi = split_call_ll(J, hisubst, oir, ir, IRCALL_softfp_mul); - break; - case IR_DIV: - hi = split_call_ll(J, hisubst, oir, ir, IRCALL_softfp_div); - break; - case IR_POW: - hi = split_call_li(J, hisubst, oir, ir, IRCALL_lj_vm_powi); - break; - case IR_FPMATH: - /* Try to rejoin pow from EXP2, MUL and LOG2. */ - if (nir->op2 == IRFPM_EXP2 && nir->op1 > J->loopref) { - IRIns *irp = IR(nir->op1); - if (irp->o == IR_CALLN && irp->op2 == IRCALL_softfp_mul) { - IRIns *irm4 = IR(irp->op1); - IRIns *irm3 = IR(irm4->op1); - IRIns *irm12 = IR(irm3->op1); - IRIns *irl1 = IR(irm12->op1); - if (irm12->op1 > J->loopref && irl1->o == IR_CALLN && - irl1->op2 == IRCALL_lj_vm_log2) { - IRRef tmp = irl1->op1; /* Recycle first two args from LOG2. */ - IRRef arg3 = irm3->op2, arg4 = irm4->op2; - J->cur.nins--; - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), tmp, arg3); - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), tmp, arg4); - ir->prev = tmp = split_emit(J, IRTI(IR_CALLN), tmp, IRCALL_pow); - hi = split_emit(J, IRT(IR_HIOP, LJ_SOFTFP), tmp, tmp); - break; - } - } - } - hi = split_call_l(J, hisubst, oir, ir, IRCALL_lj_vm_floor + ir->op2); - break; - case IR_ATAN2: - hi = split_call_ll(J, hisubst, oir, ir, IRCALL_atan2); - break; - case IR_LDEXP: - hi = split_call_li(J, hisubst, oir, ir, IRCALL_ldexp); - break; - case IR_NEG: case IR_ABS: - nir->o = IR_CONV; /* Pass through loword. */ - nir->op2 = (IRT_INT << 5) | IRT_INT; - hi = split_emit(J, IRT(ir->o == IR_NEG ? IR_BXOR : IR_BAND, IRT_SOFTFP), - hisubst[ir->op1], hisubst[ir->op2]); - break; - case IR_SLOAD: - if ((nir->op2 & IRSLOAD_CONVERT)) { /* Convert from int to number. */ - nir->op2 &= ~IRSLOAD_CONVERT; - ir->prev = nref = split_emit(J, IRTI(IR_CALLN), nref, - IRCALL_softfp_i2d); - hi = split_emit(J, IRT(IR_HIOP, IRT_SOFTFP), nref, nref); - break; - } - /* fallthrough */ - case IR_ALOAD: case IR_HLOAD: case IR_ULOAD: case IR_VLOAD: - case IR_STRTO: - hi = split_emit(J, IRT(IR_HIOP, IRT_SOFTFP), nref, nref); - break; - case IR_XLOAD: { - IRIns inslo = *nir; /* Save/undo the emit of the lo XLOAD. */ - J->cur.nins--; - hi = split_ptr(J, oir, ir->op1); /* Insert the hiref ADD. */ - nref = lj_ir_nextins(J); - nir = IR(nref); - *nir = inslo; /* Re-emit lo XLOAD immediately before hi XLOAD. */ - hi = split_emit(J, IRT(IR_XLOAD, IRT_SOFTFP), hi, ir->op2); -#if LJ_LE - ir->prev = nref; -#else - ir->prev = hi; hi = nref; -#endif - break; - } - case IR_ASTORE: case IR_HSTORE: case IR_USTORE: - split_emit(J, IRT(IR_HIOP, IRT_SOFTFP), nir->op1, hisubst[ir->op2]); - break; - case IR_XSTORE: { -#if LJ_LE - IRRef hiref = hisubst[ir->op2]; -#else - IRRef hiref = nir->op2; nir->op2 = hisubst[ir->op2]; -#endif - split_emit(J, IRT(IR_XSTORE, IRT_SOFTFP), - split_ptr(J, oir, ir->op1), hiref); - break; - } - case IR_CONV: { /* Conversion to number. Others handled below. */ - IRType st = (IRType)(ir->op2 & IRCONV_SRCMASK); - UNUSED(st); -#if LJ_32 && LJ_HASFFI - if (st == IRT_I64 || st == IRT_U64) { - hi = split_call_l(J, hisubst, oir, ir, - st == IRT_I64 ? IRCALL_fp64_l2d : IRCALL_fp64_ul2d); - break; - } -#endif - lua_assert(st == IRT_INT || - (LJ_32 && LJ_HASFFI && (st == IRT_U32 || st == IRT_FLOAT))); - nir->o = IR_CALLN; -#if LJ_32 && LJ_HASFFI - nir->op2 = st == IRT_INT ? IRCALL_softfp_i2d : - st == IRT_FLOAT ? IRCALL_softfp_f2d : - IRCALL_softfp_ui2d; -#else - nir->op2 = IRCALL_softfp_i2d; -#endif - hi = split_emit(J, IRT(IR_HIOP, IRT_SOFTFP), nref, nref); - break; - } - case IR_CALLS: - case IR_CALLXS: - goto split_call; - case IR_PHI: - if (nir->op1 == nir->op2) - J->cur.nins--; /* Drop useless PHIs. */ - if (hisubst[ir->op1] != hisubst[ir->op2]) - split_emit(J, IRT(IR_PHI, IRT_SOFTFP), - hisubst[ir->op1], hisubst[ir->op2]); - break; - default: - lua_assert(ir->o <= IR_NE || ir->o == IR_MIN || ir->o == IR_MAX); - hi = split_emit(J, IRTG(IR_HIOP, IRT_SOFTFP), - hisubst[ir->op1], hisubst[ir->op2]); - break; - } - } else -#endif -#if LJ_32 && LJ_HASFFI - if (irt_isint64(ir->t)) { - IRRef hiref = hisubst[ir->op1]; - nir->t.irt = IRT_INT | (nir->t.irt & IRT_GUARD); /* Turn into INT op. */ - switch (ir->o) { - case IR_ADD: - case IR_SUB: - /* Use plain op for hiword if loword cannot produce a carry/borrow. */ - if (irref_isk(nir->op2) && IR(nir->op2)->i == 0) { - ir->prev = nir->op1; /* Pass through loword. */ - nir->op1 = hiref; nir->op2 = hisubst[ir->op2]; - hi = nref; - break; - } - /* fallthrough */ - case IR_NEG: - hi = split_emit(J, IRTI(IR_HIOP), hiref, hisubst[ir->op2]); - break; - case IR_MUL: - hi = split_call_ll(J, hisubst, oir, ir, IRCALL_lj_carith_mul64); - break; - case IR_DIV: - hi = split_call_ll(J, hisubst, oir, ir, - irt_isi64(ir->t) ? IRCALL_lj_carith_divi64 : - IRCALL_lj_carith_divu64); - break; - case IR_MOD: - hi = split_call_ll(J, hisubst, oir, ir, - irt_isi64(ir->t) ? IRCALL_lj_carith_modi64 : - IRCALL_lj_carith_modu64); - break; - case IR_POW: - hi = split_call_ll(J, hisubst, oir, ir, - irt_isi64(ir->t) ? IRCALL_lj_carith_powi64 : - IRCALL_lj_carith_powu64); - break; - case IR_FLOAD: - lua_assert(ir->op2 == IRFL_CDATA_INT64); - hi = split_emit(J, IRTI(IR_FLOAD), nir->op1, IRFL_CDATA_INT64_4); -#if LJ_BE - ir->prev = hi; hi = nref; -#endif - break; - case IR_XLOAD: - hi = split_emit(J, IRTI(IR_XLOAD), split_ptr(J, oir, ir->op1), ir->op2); -#if LJ_BE - ir->prev = hi; hi = nref; -#endif - break; - case IR_XSTORE: -#if LJ_LE - hiref = hisubst[ir->op2]; -#else - hiref = nir->op2; nir->op2 = hisubst[ir->op2]; -#endif - split_emit(J, IRTI(IR_XSTORE), split_ptr(J, oir, ir->op1), hiref); - break; - case IR_CONV: { /* Conversion to 64 bit integer. Others handled below. */ - IRType st = (IRType)(ir->op2 & IRCONV_SRCMASK); -#if LJ_SOFTFP - if (st == IRT_NUM) { /* NUM to 64 bit int conv. */ - hi = split_call_l(J, hisubst, oir, ir, - irt_isi64(ir->t) ? IRCALL_fp64_d2l : IRCALL_fp64_d2ul); - } else if (st == IRT_FLOAT) { /* FLOAT to 64 bit int conv. */ - nir->o = IR_CALLN; - nir->op2 = irt_isi64(ir->t) ? IRCALL_fp64_f2l : IRCALL_fp64_f2ul; - hi = split_emit(J, IRTI(IR_HIOP), nref, nref); - } -#else - if (st == IRT_NUM || st == IRT_FLOAT) { /* FP to 64 bit int conv. */ - hi = split_emit(J, IRTI(IR_HIOP), nir->op1, nref); - } -#endif - else if (st == IRT_I64 || st == IRT_U64) { /* 64/64 bit cast. */ - /* Drop cast, since assembler doesn't care. */ - goto fwdlo; - } else if ((ir->op2 & IRCONV_SEXT)) { /* Sign-extend to 64 bit. */ - IRRef k31 = lj_ir_kint(J, 31); - nir = IR(nref); /* May have been reallocated. */ - ir->prev = nir->op1; /* Pass through loword. */ - nir->o = IR_BSAR; /* hi = bsar(lo, 31). */ - nir->op2 = k31; - hi = nref; - } else { /* Zero-extend to 64 bit. */ - hi = lj_ir_kint(J, 0); - goto fwdlo; - } - break; - } - case IR_CALLXS: - goto split_call; - case IR_PHI: { - IRRef hiref2; - if ((irref_isk(nir->op1) && irref_isk(nir->op2)) || - nir->op1 == nir->op2) - J->cur.nins--; /* Drop useless PHIs. */ - hiref2 = hisubst[ir->op2]; - if (!((irref_isk(hiref) && irref_isk(hiref2)) || hiref == hiref2)) - split_emit(J, IRTI(IR_PHI), hiref, hiref2); - break; - } - default: - lua_assert(ir->o <= IR_NE); /* Comparisons. */ - split_emit(J, IRTGI(IR_HIOP), hiref, hisubst[ir->op2]); - break; - } - } else -#endif -#if LJ_SOFTFP - if (ir->o == IR_SLOAD) { - if ((nir->op2 & IRSLOAD_CONVERT)) { /* Convert from number to int. */ - nir->op2 &= ~IRSLOAD_CONVERT; - if (!(nir->op2 & IRSLOAD_TYPECHECK)) - nir->t.irt = IRT_INT; /* Drop guard. */ - split_emit(J, IRT(IR_HIOP, IRT_SOFTFP), nref, nref); - ir->prev = split_num2int(J, nref, nref+1, irt_isguard(ir->t)); - } - } else if (ir->o == IR_TOBIT) { - IRRef tmp, op1 = ir->op1; - J->cur.nins--; -#if LJ_LE - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), oir[op1].prev, hisubst[op1]); -#else - tmp = split_emit(J, IRT(IR_CARG, IRT_NIL), hisubst[op1], oir[op1].prev); -#endif - ir->prev = split_emit(J, IRTI(IR_CALLN), tmp, IRCALL_lj_vm_tobit); - } else if (ir->o == IR_TOSTR) { - if (hisubst[ir->op1]) { - if (irref_isk(ir->op1)) - nir->op1 = ir->op1; - else - split_emit(J, IRT(IR_HIOP, IRT_NIL), hisubst[ir->op1], nref); - } - } else if (ir->o == IR_HREF || ir->o == IR_NEWREF) { - if (irref_isk(ir->op2) && hisubst[ir->op2]) - nir->op2 = ir->op2; - } else -#endif - if (ir->o == IR_CONV) { /* See above, too. */ - IRType st = (IRType)(ir->op2 & IRCONV_SRCMASK); -#if LJ_32 && LJ_HASFFI - if (st == IRT_I64 || st == IRT_U64) { /* Conversion from 64 bit int. */ -#if LJ_SOFTFP - if (irt_isfloat(ir->t)) { - split_call_l(J, hisubst, oir, ir, - st == IRT_I64 ? IRCALL_fp64_l2f : IRCALL_fp64_ul2f); - J->cur.nins--; /* Drop unused HIOP. */ - } -#else - if (irt_isfp(ir->t)) { /* 64 bit integer to FP conversion. */ - ir->prev = split_emit(J, IRT(IR_HIOP, irt_type(ir->t)), - hisubst[ir->op1], nref); - } -#endif - else { /* Truncate to lower 32 bits. */ - fwdlo: - ir->prev = nir->op1; /* Forward loword. */ - /* Replace with NOP to avoid messing up the snapshot logic. */ - nir->ot = IRT(IR_NOP, IRT_NIL); - nir->op1 = nir->op2 = 0; - } - } -#endif -#if LJ_SOFTFP && LJ_32 && LJ_HASFFI - else if (irt_isfloat(ir->t)) { - if (st == IRT_NUM) { - split_call_l(J, hisubst, oir, ir, IRCALL_softfp_d2f); - J->cur.nins--; /* Drop unused HIOP. */ - } else { - nir->o = IR_CALLN; - nir->op2 = st == IRT_INT ? IRCALL_softfp_i2f : IRCALL_softfp_ui2f; - } - } else if (st == IRT_FLOAT) { - nir->o = IR_CALLN; - nir->op2 = irt_isint(ir->t) ? IRCALL_softfp_f2i : IRCALL_softfp_f2ui; - } else -#endif -#if LJ_SOFTFP - if (st == IRT_NUM || (LJ_32 && LJ_HASFFI && st == IRT_FLOAT)) { - if (irt_isguard(ir->t)) { - lua_assert(st == IRT_NUM && irt_isint(ir->t)); - J->cur.nins--; - ir->prev = split_num2int(J, nir->op1, hisubst[ir->op1], 1); - } else { - split_call_l(J, hisubst, oir, ir, -#if LJ_32 && LJ_HASFFI - st == IRT_NUM ? - (irt_isint(ir->t) ? IRCALL_softfp_d2i : IRCALL_softfp_d2ui) : - (irt_isint(ir->t) ? IRCALL_softfp_f2i : IRCALL_softfp_f2ui) -#else - IRCALL_softfp_d2i -#endif - ); - J->cur.nins--; /* Drop unused HIOP. */ - } - } -#endif - } else if (ir->o == IR_CALLXS) { - IRRef hiref; - split_call: - hiref = hisubst[ir->op1]; - if (hiref) { - IROpT ot = nir->ot; - IRRef op2 = nir->op2; - nir->ot = IRT(IR_CARG, IRT_NIL); -#if LJ_LE - nir->op2 = hiref; -#else - nir->op2 = nir->op1; nir->op1 = hiref; -#endif - ir->prev = nref = split_emit(J, ot, nref, op2); - } - if (LJ_SOFTFP ? irt_is64(ir->t) : irt_isint64(ir->t)) - hi = split_emit(J, - IRT(IR_HIOP, (LJ_SOFTFP && irt_isnum(ir->t)) ? IRT_SOFTFP : IRT_INT), - nref, nref); - } else if (ir->o == IR_CARG) { - IRRef hiref = hisubst[ir->op1]; - if (hiref) { - IRRef op2 = nir->op2; -#if LJ_LE - nir->op2 = hiref; -#else - nir->op2 = nir->op1; nir->op1 = hiref; -#endif - ir->prev = nref = split_emit(J, IRT(IR_CARG, IRT_NIL), nref, op2); - nir = IR(nref); - } - hiref = hisubst[ir->op2]; - if (hiref) { -#if !LJ_TARGET_X86 - int carg = 0; - IRIns *cir; - for (cir = IR(nir->op1); cir->o == IR_CARG; cir = IR(cir->op1)) - carg++; - if ((carg & 1) == 0) { /* Align 64 bit arguments. */ - IRRef op2 = nir->op2; - nir->op2 = REF_NIL; - nref = split_emit(J, IRT(IR_CARG, IRT_NIL), nref, op2); - nir = IR(nref); - } -#endif -#if LJ_BE - { IRRef tmp = nir->op2; nir->op2 = hiref; hiref = tmp; } -#endif - ir->prev = split_emit(J, IRT(IR_CARG, IRT_NIL), nref, hiref); - } - } else if (ir->o == IR_CNEWI) { - if (hisubst[ir->op2]) - split_emit(J, IRT(IR_HIOP, IRT_NIL), nref, hisubst[ir->op2]); - } else if (ir->o == IR_LOOP) { - J->loopref = nref; /* Needed by assembler. */ - } - hisubst[ref] = hi; /* Store hiword substitution. */ - } - - /* Add PHI marks. */ - for (ref = J->cur.nins-1; ref >= REF_FIRST; ref--) { - IRIns *ir = IR(ref); - if (ir->o != IR_PHI) break; - if (!irref_isk(ir->op1)) irt_setphi(IR(ir->op1)->t); - if (ir->op2 > J->loopref) irt_setphi(IR(ir->op2)->t); - } - - /* Substitute snapshot maps. */ - oir[nins].prev = J->cur.nins; /* Substitution for last snapshot. */ - { - SnapNo i, nsnap = J->cur.nsnap; - for (i = 0; i < nsnap; i++) { - SnapShot *snap = &J->cur.snap[i]; - SnapEntry *map = &J->cur.snapmap[snap->mapofs]; - MSize n, nent = snap->nent; - snap->ref = snap->ref == REF_FIRST ? REF_FIRST : oir[snap->ref].prev; - for (n = 0; n < nent; n++) { - SnapEntry sn = map[n]; - IRIns *ir = &oir[snap_ref(sn)]; - if (!(LJ_SOFTFP && (sn & SNAP_SOFTFPNUM) && irref_isk(snap_ref(sn)))) - map[n] = ((sn & 0xffff0000) | ir->prev); - } - } - } -} - -/* Protected callback for split pass. */ -static TValue *cpsplit(lua_State *L, lua_CFunction dummy, void *ud) -{ - jit_State *J = (jit_State *)ud; - split_ir(J); - UNUSED(L); UNUSED(dummy); - return NULL; -} - -#if defined(LUA_USE_ASSERT) || LJ_SOFTFP -/* Slow, but sure way to check whether a SPLIT pass is needed. */ -static int split_needsplit(jit_State *J) -{ - IRIns *ir, *irend; - IRRef ref; - for (ir = IR(REF_FIRST), irend = IR(J->cur.nins); ir < irend; ir++) - if (LJ_SOFTFP ? irt_is64orfp(ir->t) : irt_isint64(ir->t)) - return 1; - if (LJ_SOFTFP) { - for (ref = J->chain[IR_SLOAD]; ref; ref = IR(ref)->prev) - if ((IR(ref)->op2 & IRSLOAD_CONVERT)) - return 1; - } - for (ref = J->chain[IR_CONV]; ref; ref = IR(ref)->prev) { - IRType st = (IR(ref)->op2 & IRCONV_SRCMASK); - if ((LJ_SOFTFP && (st == IRT_NUM || st == IRT_FLOAT)) || - st == IRT_I64 || st == IRT_U64) - return 1; - } - return 0; /* Nope. */ -} -#endif - -/* SPLIT pass. */ -void lj_opt_split(jit_State *J) -{ -#if LJ_SOFTFP - if (!J->needsplit) - J->needsplit = split_needsplit(J); -#else - lua_assert(J->needsplit >= split_needsplit(J)); /* Verify flag. */ -#endif - if (J->needsplit) { - int errcode = lj_vm_cpcall(J->L, NULL, J, cpsplit); - if (errcode) { - /* Completely reset the trace to avoid inconsistent dump on abort. */ - J->cur.nins = J->cur.nk = REF_BASE; - J->cur.nsnap = 0; - lj_err_throw(J->L, errcode); /* Propagate errors. */ - } - } -} - -#undef IR - -#endif diff --git a/libraries/luajit-2.0/src/lj_parse.c b/libraries/luajit-2.0/src/lj_parse.c deleted file mode 100644 index 4b8a8e6..0000000 --- a/libraries/luajit-2.0/src/lj_parse.c +++ /dev/null @@ -1,2511 +0,0 @@ -/* -** Lua parser (source code -> bytecode). -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#define lj_parse_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_debug.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_func.h" -#include "lj_state.h" -#include "lj_bc.h" -#if LJ_HASFFI -#include "lj_ctype.h" -#endif -#include "lj_lex.h" -#include "lj_parse.h" -#include "lj_vm.h" -#include "lj_vmevent.h" - -/* -- Parser structures and definitions ----------------------------------- */ - -/* Expression kinds. */ -typedef enum { - /* Constant expressions must be first and in this order: */ - VKNIL, - VKFALSE, - VKTRUE, - VKSTR, /* sval = string value */ - VKNUM, /* nval = number value */ - VKLAST = VKNUM, - VKCDATA, /* nval = cdata value, not treated as a constant expression */ - /* Non-constant expressions follow: */ - VLOCAL, /* info = local register */ - VUPVAL, /* info = upvalue index */ - VGLOBAL, /* sval = string value */ - VINDEXED, /* info = table register, aux = index reg/byte/string const */ - VJMP, /* info = instruction PC */ - VRELOCABLE, /* info = instruction PC */ - VNONRELOC, /* info = result register */ - VCALL, /* info = instruction PC, aux = base */ - VVOID -} ExpKind; - -/* Expression descriptor. */ -typedef struct ExpDesc { - union { - struct { - uint32_t info; /* Primary info. */ - uint32_t aux; /* Secondary info. */ - } s; - TValue nval; /* Number value. */ - GCstr *sval; /* String value. */ - } u; - ExpKind k; - BCPos t; /* True condition jump list. */ - BCPos f; /* False condition jump list. */ -} ExpDesc; - -/* Macros for expressions. */ -#define expr_hasjump(e) ((e)->t != (e)->f) - -#define expr_isk(e) ((e)->k <= VKLAST) -#define expr_isk_nojump(e) (expr_isk(e) && !expr_hasjump(e)) -#define expr_isnumk(e) ((e)->k == VKNUM) -#define expr_isnumk_nojump(e) (expr_isnumk(e) && !expr_hasjump(e)) -#define expr_isstrk(e) ((e)->k == VKSTR) - -#define expr_numtv(e) check_exp(expr_isnumk((e)), &(e)->u.nval) -#define expr_numberV(e) numberVnum(expr_numtv((e))) - -/* Initialize expression. */ -static LJ_AINLINE void expr_init(ExpDesc *e, ExpKind k, uint32_t info) -{ - e->k = k; - e->u.s.info = info; - e->f = e->t = NO_JMP; -} - -/* Check number constant for +-0. */ -static int expr_numiszero(ExpDesc *e) -{ - TValue *o = expr_numtv(e); - return tvisint(o) ? (intV(o) == 0) : tviszero(o); -} - -/* Per-function linked list of scope blocks. */ -typedef struct FuncScope { - struct FuncScope *prev; /* Link to outer scope. */ - BCPos breaklist; /* Jump list for loop breaks. */ - uint8_t nactvar; /* Number of active vars outside the scope. */ - uint8_t upval; /* Some variable in the scope is an upvalue. */ - uint8_t isbreakable; /* Scope is a loop and allows a break. */ -} FuncScope; - -/* Index into variable stack. */ -typedef uint16_t VarIndex; -#define LJ_MAX_VSTACK 65536 - -/* Upvalue map. */ -typedef struct UVMap { - VarIndex vidx; /* Varinfo index. */ - uint16_t slot; /* Slot or parent upvalue index. */ -} UVMap; - -/* Per-function state. */ -typedef struct FuncState { - GCtab *kt; /* Hash table for constants. */ - LexState *ls; /* Lexer state. */ - lua_State *L; /* Lua state. */ - FuncScope *bl; /* Current scope. */ - struct FuncState *prev; /* Enclosing function. */ - BCPos pc; /* Next bytecode position. */ - BCPos lasttarget; /* Bytecode position of last jump target. */ - BCPos jpc; /* Pending jump list to next bytecode. */ - BCReg freereg; /* First free register. */ - BCReg nactvar; /* Number of active local variables. */ - BCReg nkn, nkgc; /* Number of lua_Number/GCobj constants */ - BCLine linedefined; /* First line of the function definition. */ - BCInsLine *bcbase; /* Base of bytecode stack. */ - BCPos bclim; /* Limit of bytecode stack. */ - MSize vbase; /* Base of variable stack for this function. */ - uint8_t flags; /* Prototype flags. */ - uint8_t numparams; /* Number of parameters. */ - uint8_t framesize; /* Fixed frame size. */ - uint8_t nuv; /* Number of upvalues */ - VarIndex varmap[LJ_MAX_LOCVAR]; /* Map from register to variable idx. */ - UVMap uvloc[LJ_MAX_UPVAL]; /* Map from upvalue to variable idx and slot. */ -} FuncState; - -/* Binary and unary operators. ORDER OPR */ -typedef enum BinOpr { - OPR_ADD, OPR_SUB, OPR_MUL, OPR_DIV, OPR_MOD, OPR_POW, /* ORDER ARITH */ - OPR_CONCAT, - OPR_NE, OPR_EQ, - OPR_LT, OPR_GE, OPR_LE, OPR_GT, - OPR_AND, OPR_OR, - OPR_NOBINOPR -} BinOpr; - -LJ_STATIC_ASSERT((int)BC_ISGE-(int)BC_ISLT == (int)OPR_GE-(int)OPR_LT); -LJ_STATIC_ASSERT((int)BC_ISLE-(int)BC_ISLT == (int)OPR_LE-(int)OPR_LT); -LJ_STATIC_ASSERT((int)BC_ISGT-(int)BC_ISLT == (int)OPR_GT-(int)OPR_LT); -LJ_STATIC_ASSERT((int)BC_SUBVV-(int)BC_ADDVV == (int)OPR_SUB-(int)OPR_ADD); -LJ_STATIC_ASSERT((int)BC_MULVV-(int)BC_ADDVV == (int)OPR_MUL-(int)OPR_ADD); -LJ_STATIC_ASSERT((int)BC_DIVVV-(int)BC_ADDVV == (int)OPR_DIV-(int)OPR_ADD); -LJ_STATIC_ASSERT((int)BC_MODVV-(int)BC_ADDVV == (int)OPR_MOD-(int)OPR_ADD); - -/* -- Error handling ------------------------------------------------------ */ - -LJ_NORET LJ_NOINLINE static void err_syntax(LexState *ls, ErrMsg em) -{ - lj_lex_error(ls, ls->token, em); -} - -LJ_NORET LJ_NOINLINE static void err_token(LexState *ls, LexToken token) -{ - lj_lex_error(ls, ls->token, LJ_ERR_XTOKEN, lj_lex_token2str(ls, token)); -} - -LJ_NORET static void err_limit(FuncState *fs, uint32_t limit, const char *what) -{ - if (fs->linedefined == 0) - lj_lex_error(fs->ls, 0, LJ_ERR_XLIMM, limit, what); - else - lj_lex_error(fs->ls, 0, LJ_ERR_XLIMF, fs->linedefined, limit, what); -} - -#define checklimit(fs, v, l, m) if ((v) >= (l)) err_limit(fs, l, m) -#define checklimitgt(fs, v, l, m) if ((v) > (l)) err_limit(fs, l, m) -#define checkcond(ls, c, em) { if (!(c)) err_syntax(ls, em); } - -/* -- Management of constants --------------------------------------------- */ - -/* Return bytecode encoding for primitive constant. */ -#define const_pri(e) check_exp((e)->k <= VKTRUE, (e)->k) - -#define tvhaskslot(o) ((o)->u32.hi == 0) -#define tvkslot(o) ((o)->u32.lo) - -/* Add a number constant. */ -static BCReg const_num(FuncState *fs, ExpDesc *e) -{ - lua_State *L = fs->L; - TValue *o; - lua_assert(expr_isnumk(e)); - o = lj_tab_set(L, fs->kt, &e->u.nval); - if (tvhaskslot(o)) - return tvkslot(o); - o->u64 = fs->nkn; - return fs->nkn++; -} - -/* Add a GC object constant. */ -static BCReg const_gc(FuncState *fs, GCobj *gc, uint32_t itype) -{ - lua_State *L = fs->L; - TValue key, *o; - setgcV(L, &key, gc, itype); - /* NOBARRIER: the key is new or kept alive. */ - o = lj_tab_set(L, fs->kt, &key); - if (tvhaskslot(o)) - return tvkslot(o); - o->u64 = fs->nkgc; - return fs->nkgc++; -} - -/* Add a string constant. */ -static BCReg const_str(FuncState *fs, ExpDesc *e) -{ - lua_assert(expr_isstrk(e) || e->k == VGLOBAL); - return const_gc(fs, obj2gco(e->u.sval), LJ_TSTR); -} - -/* Anchor string constant to avoid GC. */ -GCstr *lj_parse_keepstr(LexState *ls, const char *str, size_t len) -{ - /* NOBARRIER: the key is new or kept alive. */ - lua_State *L = ls->L; - GCstr *s = lj_str_new(L, str, len); - TValue *tv = lj_tab_setstr(L, ls->fs->kt, s); - if (tvisnil(tv)) setboolV(tv, 1); - lj_gc_check(L); - return s; -} - -#if LJ_HASFFI -/* Anchor cdata to avoid GC. */ -void lj_parse_keepcdata(LexState *ls, TValue *tv, GCcdata *cd) -{ - /* NOBARRIER: the key is new or kept alive. */ - lua_State *L = ls->L; - setcdataV(L, tv, cd); - setboolV(lj_tab_set(L, ls->fs->kt, tv), 1); -} -#endif - -/* -- Jump list handling -------------------------------------------------- */ - -/* Get next element in jump list. */ -static BCPos jmp_next(FuncState *fs, BCPos pc) -{ - ptrdiff_t delta = bc_j(fs->bcbase[pc].ins); - if ((BCPos)delta == NO_JMP) - return NO_JMP; - else - return (BCPos)(((ptrdiff_t)pc+1)+delta); -} - -/* Check if any of the instructions on the jump list produce no value. */ -static int jmp_novalue(FuncState *fs, BCPos list) -{ - for (; list != NO_JMP; list = jmp_next(fs, list)) { - BCIns p = fs->bcbase[list >= 1 ? list-1 : list].ins; - if (!(bc_op(p) == BC_ISTC || bc_op(p) == BC_ISFC || bc_a(p) == NO_REG)) - return 1; - } - return 0; -} - -/* Patch register of test instructions. */ -static int jmp_patchtestreg(FuncState *fs, BCPos pc, BCReg reg) -{ - BCIns *ip = &fs->bcbase[pc >= 1 ? pc-1 : pc].ins; - BCOp op = bc_op(*ip); - if (op == BC_ISTC || op == BC_ISFC) { - if (reg != NO_REG && reg != bc_d(*ip)) { - setbc_a(ip, reg); - } else { /* Nothing to store or already in the right register. */ - setbc_op(ip, op+(BC_IST-BC_ISTC)); - setbc_a(ip, 0); - } - } else if (bc_a(*ip) == NO_REG) { - if (reg == NO_REG) - *ip = BCINS_AJ(BC_JMP, bc_a(fs->bcbase[pc].ins), 0); - else - setbc_a(ip, reg); - } else { - return 0; /* Cannot patch other instructions. */ - } - return 1; -} - -/* Drop values for all instructions on jump list. */ -static void jmp_dropval(FuncState *fs, BCPos list) -{ - for (; list != NO_JMP; list = jmp_next(fs, list)) - jmp_patchtestreg(fs, list, NO_REG); -} - -/* Patch jump instruction to target. */ -static void jmp_patchins(FuncState *fs, BCPos pc, BCPos dest) -{ - BCIns *jmp = &fs->bcbase[pc].ins; - BCPos offset = dest-(pc+1)+BCBIAS_J; - lua_assert(dest != NO_JMP); - if (offset > BCMAX_D) - err_syntax(fs->ls, LJ_ERR_XJUMP); - setbc_d(jmp, offset); -} - -/* Append to jump list. */ -static void jmp_append(FuncState *fs, BCPos *l1, BCPos l2) -{ - if (l2 == NO_JMP) { - return; - } else if (*l1 == NO_JMP) { - *l1 = l2; - } else { - BCPos list = *l1; - BCPos next; - while ((next = jmp_next(fs, list)) != NO_JMP) /* Find last element. */ - list = next; - jmp_patchins(fs, list, l2); - } -} - -/* Patch jump list and preserve produced values. */ -static void jmp_patchval(FuncState *fs, BCPos list, BCPos vtarget, - BCReg reg, BCPos dtarget) -{ - while (list != NO_JMP) { - BCPos next = jmp_next(fs, list); - if (jmp_patchtestreg(fs, list, reg)) - jmp_patchins(fs, list, vtarget); /* Jump to target with value. */ - else - jmp_patchins(fs, list, dtarget); /* Jump to default target. */ - list = next; - } -} - -/* Jump to following instruction. Append to list of pending jumps. */ -static void jmp_tohere(FuncState *fs, BCPos list) -{ - fs->lasttarget = fs->pc; - jmp_append(fs, &fs->jpc, list); -} - -/* Patch jump list to target. */ -static void jmp_patch(FuncState *fs, BCPos list, BCPos target) -{ - if (target == fs->pc) { - jmp_tohere(fs, list); - } else { - lua_assert(target < fs->pc); - jmp_patchval(fs, list, target, NO_REG, target); - } -} - -/* -- Bytecode register allocator ----------------------------------------- */ - -/* Bump frame size. */ -static void bcreg_bump(FuncState *fs, BCReg n) -{ - BCReg sz = fs->freereg + n; - if (sz > fs->framesize) { - if (sz >= LJ_MAX_SLOTS) - err_syntax(fs->ls, LJ_ERR_XSLOTS); - fs->framesize = (uint8_t)sz; - } -} - -/* Reserve registers. */ -static void bcreg_reserve(FuncState *fs, BCReg n) -{ - bcreg_bump(fs, n); - fs->freereg += n; -} - -/* Free register. */ -static void bcreg_free(FuncState *fs, BCReg reg) -{ - if (reg >= fs->nactvar) { - fs->freereg--; - lua_assert(reg == fs->freereg); - } -} - -/* Free register for expression. */ -static void expr_free(FuncState *fs, ExpDesc *e) -{ - if (e->k == VNONRELOC) - bcreg_free(fs, e->u.s.info); -} - -/* -- Bytecode emitter ---------------------------------------------------- */ - -/* Emit bytecode instruction. */ -static BCPos bcemit_INS(FuncState *fs, BCIns ins) -{ - BCPos pc = fs->pc; - LexState *ls = fs->ls; - jmp_patchval(fs, fs->jpc, pc, NO_REG, pc); - fs->jpc = NO_JMP; - if (LJ_UNLIKELY(pc >= fs->bclim)) { - ptrdiff_t base = fs->bcbase - ls->bcstack; - checklimit(fs, ls->sizebcstack, LJ_MAX_BCINS, "bytecode instructions"); - lj_mem_growvec(fs->L, ls->bcstack, ls->sizebcstack, LJ_MAX_BCINS,BCInsLine); - fs->bclim = (BCPos)(ls->sizebcstack - base); - fs->bcbase = ls->bcstack + base; - } - fs->bcbase[pc].ins = ins; - fs->bcbase[pc].line = ls->lastline; - fs->pc = pc+1; - return pc; -} - -#define bcemit_ABC(fs, o, a, b, c) bcemit_INS(fs, BCINS_ABC(o, a, b, c)) -#define bcemit_AD(fs, o, a, d) bcemit_INS(fs, BCINS_AD(o, a, d)) -#define bcemit_AJ(fs, o, a, j) bcemit_INS(fs, BCINS_AJ(o, a, j)) - -#define bcptr(fs, e) (&(fs)->bcbase[(e)->u.s.info].ins) - -/* -- Bytecode emitter for expressions ------------------------------------ */ - -/* Discharge non-constant expression to any register. */ -static void expr_discharge(FuncState *fs, ExpDesc *e) -{ - BCIns ins; - if (e->k == VUPVAL) { - ins = BCINS_AD(BC_UGET, 0, e->u.s.info); - } else if (e->k == VGLOBAL) { - ins = BCINS_AD(BC_GGET, 0, const_str(fs, e)); - } else if (e->k == VINDEXED) { - BCReg rc = e->u.s.aux; - if ((int32_t)rc < 0) { - ins = BCINS_ABC(BC_TGETS, 0, e->u.s.info, ~rc); - } else if (rc > BCMAX_C) { - ins = BCINS_ABC(BC_TGETB, 0, e->u.s.info, rc-(BCMAX_C+1)); - } else { - bcreg_free(fs, rc); - ins = BCINS_ABC(BC_TGETV, 0, e->u.s.info, rc); - } - bcreg_free(fs, e->u.s.info); - } else if (e->k == VCALL) { - e->u.s.info = e->u.s.aux; - e->k = VNONRELOC; - return; - } else if (e->k == VLOCAL) { - e->k = VNONRELOC; - return; - } else { - return; - } - e->u.s.info = bcemit_INS(fs, ins); - e->k = VRELOCABLE; -} - -/* Emit bytecode to set a range of registers to nil. */ -static void bcemit_nil(FuncState *fs, BCReg from, BCReg n) -{ - if (fs->pc > fs->lasttarget) { /* No jumps to current position? */ - BCIns *ip = &fs->bcbase[fs->pc-1].ins; - BCReg pto, pfrom = bc_a(*ip); - switch (bc_op(*ip)) { /* Try to merge with the previous instruction. */ - case BC_KPRI: - if (bc_d(*ip) != ~LJ_TNIL) break; - if (from == pfrom) { - if (n == 1) return; - } else if (from == pfrom+1) { - from = pfrom; - n++; - } else { - break; - } - fs->pc--; /* Drop KPRI. */ - break; - case BC_KNIL: - pto = bc_d(*ip); - if (pfrom <= from && from <= pto+1) { /* Can we connect both ranges? */ - if (from+n-1 > pto) - setbc_d(ip, from+n-1); /* Patch previous instruction range. */ - return; - } - break; - default: - break; - } - } - /* Emit new instruction or replace old instruction. */ - bcemit_INS(fs, n == 1 ? BCINS_AD(BC_KPRI, from, VKNIL) : - BCINS_AD(BC_KNIL, from, from+n-1)); -} - -/* Discharge an expression to a specific register. Ignore branches. */ -static void expr_toreg_nobranch(FuncState *fs, ExpDesc *e, BCReg reg) -{ - BCIns ins; - expr_discharge(fs, e); - if (e->k == VKSTR) { - ins = BCINS_AD(BC_KSTR, reg, const_str(fs, e)); - } else if (e->k == VKNUM) { -#if LJ_DUALNUM - cTValue *tv = expr_numtv(e); - if (tvisint(tv) && checki16(intV(tv))) - ins = BCINS_AD(BC_KSHORT, reg, (BCReg)(uint16_t)intV(tv)); - else -#else - lua_Number n = expr_numberV(e); - int32_t k = lj_num2int(n); - if (checki16(k) && n == (lua_Number)k) - ins = BCINS_AD(BC_KSHORT, reg, (BCReg)(uint16_t)k); - else -#endif - ins = BCINS_AD(BC_KNUM, reg, const_num(fs, e)); -#if LJ_HASFFI - } else if (e->k == VKCDATA) { - fs->flags |= PROTO_FFI; - ins = BCINS_AD(BC_KCDATA, reg, - const_gc(fs, obj2gco(cdataV(&e->u.nval)), LJ_TCDATA)); -#endif - } else if (e->k == VRELOCABLE) { - setbc_a(bcptr(fs, e), reg); - goto noins; - } else if (e->k == VNONRELOC) { - if (reg == e->u.s.info) - goto noins; - ins = BCINS_AD(BC_MOV, reg, e->u.s.info); - } else if (e->k == VKNIL) { - bcemit_nil(fs, reg, 1); - goto noins; - } else if (e->k <= VKTRUE) { - ins = BCINS_AD(BC_KPRI, reg, const_pri(e)); - } else { - lua_assert(e->k == VVOID || e->k == VJMP); - return; - } - bcemit_INS(fs, ins); -noins: - e->u.s.info = reg; - e->k = VNONRELOC; -} - -/* Forward declaration. */ -static BCPos bcemit_jmp(FuncState *fs); - -/* Discharge an expression to a specific register. */ -static void expr_toreg(FuncState *fs, ExpDesc *e, BCReg reg) -{ - expr_toreg_nobranch(fs, e, reg); - if (e->k == VJMP) - jmp_append(fs, &e->t, e->u.s.info); /* Add it to the true jump list. */ - if (expr_hasjump(e)) { /* Discharge expression with branches. */ - BCPos jend, jfalse = NO_JMP, jtrue = NO_JMP; - if (jmp_novalue(fs, e->t) || jmp_novalue(fs, e->f)) { - BCPos jval = (e->k == VJMP) ? NO_JMP : bcemit_jmp(fs); - jfalse = bcemit_AD(fs, BC_KPRI, reg, VKFALSE); - bcemit_AJ(fs, BC_JMP, fs->freereg, 1); - jtrue = bcemit_AD(fs, BC_KPRI, reg, VKTRUE); - jmp_tohere(fs, jval); - } - jend = fs->pc; - fs->lasttarget = jend; - jmp_patchval(fs, e->f, jend, reg, jfalse); - jmp_patchval(fs, e->t, jend, reg, jtrue); - } - e->f = e->t = NO_JMP; - e->u.s.info = reg; - e->k = VNONRELOC; -} - -/* Discharge an expression to the next free register. */ -static void expr_tonextreg(FuncState *fs, ExpDesc *e) -{ - expr_discharge(fs, e); - expr_free(fs, e); - bcreg_reserve(fs, 1); - expr_toreg(fs, e, fs->freereg - 1); -} - -/* Discharge an expression to any register. */ -static BCReg expr_toanyreg(FuncState *fs, ExpDesc *e) -{ - expr_discharge(fs, e); - if (e->k == VNONRELOC) { - if (!expr_hasjump(e)) return e->u.s.info; /* Already in a register. */ - if (e->u.s.info >= fs->nactvar) { - expr_toreg(fs, e, e->u.s.info); /* Discharge to temp. register. */ - return e->u.s.info; - } - } - expr_tonextreg(fs, e); /* Discharge to next register. */ - return e->u.s.info; -} - -/* Partially discharge expression to a value. */ -static void expr_toval(FuncState *fs, ExpDesc *e) -{ - if (expr_hasjump(e)) - expr_toanyreg(fs, e); - else - expr_discharge(fs, e); -} - -/* Emit store for LHS expression. */ -static void bcemit_store(FuncState *fs, ExpDesc *var, ExpDesc *e) -{ - BCIns ins; - if (var->k == VLOCAL) { - expr_free(fs, e); - expr_toreg(fs, e, var->u.s.info); - return; - } else if (var->k == VUPVAL) { - expr_toval(fs, e); - if (e->k <= VKTRUE) - ins = BCINS_AD(BC_USETP, var->u.s.info, const_pri(e)); - else if (e->k == VKSTR) - ins = BCINS_AD(BC_USETS, var->u.s.info, const_str(fs, e)); - else if (e->k == VKNUM) - ins = BCINS_AD(BC_USETN, var->u.s.info, const_num(fs, e)); - else - ins = BCINS_AD(BC_USETV, var->u.s.info, expr_toanyreg(fs, e)); - } else if (var->k == VGLOBAL) { - BCReg ra = expr_toanyreg(fs, e); - ins = BCINS_AD(BC_GSET, ra, const_str(fs, var)); - } else { - BCReg ra, rc; - lua_assert(var->k == VINDEXED); - ra = expr_toanyreg(fs, e); - rc = var->u.s.aux; - if ((int32_t)rc < 0) { - ins = BCINS_ABC(BC_TSETS, ra, var->u.s.info, ~rc); - } else if (rc > BCMAX_C) { - ins = BCINS_ABC(BC_TSETB, ra, var->u.s.info, rc-(BCMAX_C+1)); - } else { - /* Free late alloced key reg to avoid assert on free of value reg. */ - /* This can only happen when called from expr_table(). */ - lua_assert(e->k != VNONRELOC || ra < fs->nactvar || - rc < ra || (bcreg_free(fs, rc),1)); - ins = BCINS_ABC(BC_TSETV, ra, var->u.s.info, rc); - } - } - bcemit_INS(fs, ins); - expr_free(fs, e); -} - -/* Emit method lookup expression. */ -static void bcemit_method(FuncState *fs, ExpDesc *e, ExpDesc *key) -{ - BCReg idx, func, obj = expr_toanyreg(fs, e); - expr_free(fs, e); - func = fs->freereg; - bcemit_AD(fs, BC_MOV, func+1, obj); /* Copy object to first argument. */ - lua_assert(expr_isstrk(key)); - idx = const_str(fs, key); - if (idx <= BCMAX_C) { - bcreg_reserve(fs, 2); - bcemit_ABC(fs, BC_TGETS, func, obj, idx); - } else { - bcreg_reserve(fs, 3); - bcemit_AD(fs, BC_KSTR, func+2, idx); - bcemit_ABC(fs, BC_TGETV, func, obj, func+2); - fs->freereg--; - } - e->u.s.info = func; - e->k = VNONRELOC; -} - -/* -- Bytecode emitter for branches --------------------------------------- */ - -/* Emit unconditional branch. */ -static BCPos bcemit_jmp(FuncState *fs) -{ - BCPos jpc = fs->jpc; - BCPos j = fs->pc - 1; - BCIns *ip = &fs->bcbase[j].ins; - fs->jpc = NO_JMP; - if ((int32_t)j >= (int32_t)fs->lasttarget && - bc_op(*ip) == BC_UCLO) - setbc_j(ip, NO_JMP); - else - j = bcemit_AJ(fs, BC_JMP, fs->freereg, NO_JMP); - jmp_append(fs, &j, jpc); - return j; -} - -/* Invert branch condition of bytecode instruction. */ -static void invertcond(FuncState *fs, ExpDesc *e) -{ - BCIns *ip = &fs->bcbase[e->u.s.info - 1].ins; - setbc_op(ip, bc_op(*ip)^1); -} - -/* Emit conditional branch. */ -static BCPos bcemit_branch(FuncState *fs, ExpDesc *e, int cond) -{ - BCPos pc; - if (e->k == VRELOCABLE) { - BCIns *ip = bcptr(fs, e); - if (bc_op(*ip) == BC_NOT) { - *ip = BCINS_AD(cond ? BC_ISF : BC_IST, 0, bc_d(*ip)); - return bcemit_jmp(fs); - } - } - if (e->k != VNONRELOC) { - bcreg_reserve(fs, 1); - expr_toreg_nobranch(fs, e, fs->freereg-1); - } - bcemit_AD(fs, cond ? BC_ISTC : BC_ISFC, NO_REG, e->u.s.info); - pc = bcemit_jmp(fs); - expr_free(fs, e); - return pc; -} - -/* Emit branch on true condition. */ -static void bcemit_branch_t(FuncState *fs, ExpDesc *e) -{ - BCPos pc; - expr_discharge(fs, e); - if (e->k == VKSTR || e->k == VKNUM || e->k == VKTRUE) - pc = NO_JMP; /* Never jump. */ - else if (e->k == VJMP) - invertcond(fs, e), pc = e->u.s.info; - else if (e->k == VKFALSE || e->k == VKNIL) - expr_toreg_nobranch(fs, e, NO_REG), pc = bcemit_jmp(fs); - else - pc = bcemit_branch(fs, e, 0); - jmp_append(fs, &e->f, pc); - jmp_tohere(fs, e->t); - e->t = NO_JMP; -} - -/* Emit branch on false condition. */ -static void bcemit_branch_f(FuncState *fs, ExpDesc *e) -{ - BCPos pc; - expr_discharge(fs, e); - if (e->k == VKNIL || e->k == VKFALSE) - pc = NO_JMP; /* Never jump. */ - else if (e->k == VJMP) - pc = e->u.s.info; - else if (e->k == VKSTR || e->k == VKNUM || e->k == VKTRUE) - expr_toreg_nobranch(fs, e, NO_REG), pc = bcemit_jmp(fs); - else - pc = bcemit_branch(fs, e, 1); - jmp_append(fs, &e->t, pc); - jmp_tohere(fs, e->f); - e->f = NO_JMP; -} - -/* -- Bytecode emitter for operators -------------------------------------- */ - -/* Try constant-folding of arithmetic operators. */ -static int foldarith(BinOpr opr, ExpDesc *e1, ExpDesc *e2) -{ - TValue o; - lua_Number n; - if (!expr_isnumk_nojump(e1) || !expr_isnumk_nojump(e2)) return 0; - n = lj_vm_foldarith(expr_numberV(e1), expr_numberV(e2), (int)opr-OPR_ADD); - setnumV(&o, n); - if (tvisnan(&o) || tvismzero(&o)) return 0; /* Avoid NaN and -0 as consts. */ - if (LJ_DUALNUM) { - int32_t k = lj_num2int(n); - if ((lua_Number)k == n) { - setintV(&e1->u.nval, k); - return 1; - } - } - setnumV(&e1->u.nval, n); - return 1; -} - -/* Emit arithmetic operator. */ -static void bcemit_arith(FuncState *fs, BinOpr opr, ExpDesc *e1, ExpDesc *e2) -{ - BCReg rb, rc, t; - uint32_t op; - if (foldarith(opr, e1, e2)) - return; - if (opr == OPR_POW) { - op = BC_POW; - rc = expr_toanyreg(fs, e2); - rb = expr_toanyreg(fs, e1); - } else { - op = opr-OPR_ADD+BC_ADDVV; - /* Must discharge 2nd operand first since VINDEXED might free regs. */ - expr_toval(fs, e2); - if (expr_isnumk(e2) && (rc = const_num(fs, e2)) <= BCMAX_C) - op -= BC_ADDVV-BC_ADDVN; - else - rc = expr_toanyreg(fs, e2); - /* 1st operand discharged by bcemit_binop_left, but need KNUM/KSHORT. */ - lua_assert(expr_isnumk(e1) || e1->k == VNONRELOC); - expr_toval(fs, e1); - /* Avoid two consts to satisfy bytecode constraints. */ - if (expr_isnumk(e1) && !expr_isnumk(e2) && - (t = const_num(fs, e1)) <= BCMAX_B) { - rb = rc; rc = t; op -= BC_ADDVV-BC_ADDNV; - } else { - rb = expr_toanyreg(fs, e1); - } - } - /* Using expr_free might cause asserts if the order is wrong. */ - if (e1->k == VNONRELOC && e1->u.s.info >= fs->nactvar) fs->freereg--; - if (e2->k == VNONRELOC && e2->u.s.info >= fs->nactvar) fs->freereg--; - e1->u.s.info = bcemit_ABC(fs, op, 0, rb, rc); - e1->k = VRELOCABLE; -} - -/* Emit comparison operator. */ -static void bcemit_comp(FuncState *fs, BinOpr opr, ExpDesc *e1, ExpDesc *e2) -{ - ExpDesc *eret = e1; - BCIns ins; - expr_toval(fs, e1); - if (opr == OPR_EQ || opr == OPR_NE) { - BCOp op = opr == OPR_EQ ? BC_ISEQV : BC_ISNEV; - BCReg ra; - if (expr_isk(e1)) { e1 = e2; e2 = eret; } /* Need constant in 2nd arg. */ - ra = expr_toanyreg(fs, e1); /* First arg must be in a reg. */ - expr_toval(fs, e2); - switch (e2->k) { - case VKNIL: case VKFALSE: case VKTRUE: - ins = BCINS_AD(op+(BC_ISEQP-BC_ISEQV), ra, const_pri(e2)); - break; - case VKSTR: - ins = BCINS_AD(op+(BC_ISEQS-BC_ISEQV), ra, const_str(fs, e2)); - break; - case VKNUM: - ins = BCINS_AD(op+(BC_ISEQN-BC_ISEQV), ra, const_num(fs, e2)); - break; - default: - ins = BCINS_AD(op, ra, expr_toanyreg(fs, e2)); - break; - } - } else { - uint32_t op = opr-OPR_LT+BC_ISLT; - BCReg ra; - if ((op-BC_ISLT) & 1) { /* GT -> LT, GE -> LE */ - e1 = e2; e2 = eret; /* Swap operands. */ - op = ((op-BC_ISLT)^3)+BC_ISLT; - } - ra = expr_toanyreg(fs, e1); - ins = BCINS_AD(op, ra, expr_toanyreg(fs, e2)); - } - /* Using expr_free might cause asserts if the order is wrong. */ - if (e1->k == VNONRELOC && e1->u.s.info >= fs->nactvar) fs->freereg--; - if (e2->k == VNONRELOC && e2->u.s.info >= fs->nactvar) fs->freereg--; - bcemit_INS(fs, ins); - eret->u.s.info = bcemit_jmp(fs); - eret->k = VJMP; -} - -/* Fixup left side of binary operator. */ -static void bcemit_binop_left(FuncState *fs, BinOpr op, ExpDesc *e) -{ - if (op == OPR_AND) { - bcemit_branch_t(fs, e); - } else if (op == OPR_OR) { - bcemit_branch_f(fs, e); - } else if (op == OPR_CONCAT) { - expr_tonextreg(fs, e); - } else if (op == OPR_EQ || op == OPR_NE) { - if (!expr_isk_nojump(e)) expr_toanyreg(fs, e); - } else { - if (!expr_isnumk_nojump(e)) expr_toanyreg(fs, e); - } -} - -/* Emit binary operator. */ -static void bcemit_binop(FuncState *fs, BinOpr op, ExpDesc *e1, ExpDesc *e2) -{ - if (op <= OPR_POW) { - bcemit_arith(fs, op, e1, e2); - } else if (op == OPR_AND) { - lua_assert(e1->t == NO_JMP); /* List must be closed. */ - expr_discharge(fs, e2); - jmp_append(fs, &e2->f, e1->f); - *e1 = *e2; - } else if (op == OPR_OR) { - lua_assert(e1->f == NO_JMP); /* List must be closed. */ - expr_discharge(fs, e2); - jmp_append(fs, &e2->t, e1->t); - *e1 = *e2; - } else if (op == OPR_CONCAT) { - expr_toval(fs, e2); - if (e2->k == VRELOCABLE && bc_op(*bcptr(fs, e2)) == BC_CAT) { - lua_assert(e1->u.s.info == bc_b(*bcptr(fs, e2))-1); - expr_free(fs, e1); - setbc_b(bcptr(fs, e2), e1->u.s.info); - e1->u.s.info = e2->u.s.info; - } else { - expr_tonextreg(fs, e2); - expr_free(fs, e2); - expr_free(fs, e1); - e1->u.s.info = bcemit_ABC(fs, BC_CAT, 0, e1->u.s.info, e2->u.s.info); - } - e1->k = VRELOCABLE; - } else { - lua_assert(op == OPR_NE || op == OPR_EQ || - op == OPR_LT || op == OPR_GE || op == OPR_LE || op == OPR_GT); - bcemit_comp(fs, op, e1, e2); - } -} - -/* Emit unary operator. */ -static void bcemit_unop(FuncState *fs, BCOp op, ExpDesc *e) -{ - if (op == BC_NOT) { - /* Swap true and false lists. */ - { BCPos temp = e->f; e->f = e->t; e->t = temp; } - jmp_dropval(fs, e->f); - jmp_dropval(fs, e->t); - expr_discharge(fs, e); - if (e->k == VKNIL || e->k == VKFALSE) { - e->k = VKTRUE; - return; - } else if (expr_isk(e) || (LJ_HASFFI && e->k == VKCDATA)) { - e->k = VKFALSE; - return; - } else if (e->k == VJMP) { - invertcond(fs, e); - return; - } else if (e->k == VRELOCABLE) { - bcreg_reserve(fs, 1); - setbc_a(bcptr(fs, e), fs->freereg-1); - e->u.s.info = fs->freereg-1; - e->k = VNONRELOC; - } else { - lua_assert(e->k == VNONRELOC); - } - } else { - lua_assert(op == BC_UNM || op == BC_LEN); - if (op == BC_UNM && !expr_hasjump(e)) { /* Constant-fold negations. */ -#if LJ_HASFFI - if (e->k == VKCDATA) { /* Fold in-place since cdata is not interned. */ - GCcdata *cd = cdataV(&e->u.nval); - int64_t *p = (int64_t *)cdataptr(cd); - if (cd->typeid == CTID_COMPLEX_DOUBLE) - p[1] ^= (int64_t)U64x(80000000,00000000); - else - *p = -*p; - return; - } else -#endif - if (expr_isnumk(e) && !expr_numiszero(e)) { /* Avoid folding to -0. */ - TValue *o = expr_numtv(e); - if (tvisint(o)) { - int32_t k = intV(o); - if (k == -k) - setnumV(o, -(lua_Number)k); - else - setintV(o, -k); - return; - } else { - o->u64 ^= U64x(80000000,00000000); - return; - } - } - } - expr_toanyreg(fs, e); - } - expr_free(fs, e); - e->u.s.info = bcemit_AD(fs, op, 0, e->u.s.info); - e->k = VRELOCABLE; -} - -/* -- Lexer support ------------------------------------------------------- */ - -/* Check and consume optional token. */ -static int lex_opt(LexState *ls, LexToken tok) -{ - if (ls->token == tok) { - lj_lex_next(ls); - return 1; - } - return 0; -} - -/* Check and consume token. */ -static void lex_check(LexState *ls, LexToken tok) -{ - if (ls->token != tok) - err_token(ls, tok); - lj_lex_next(ls); -} - -/* Check for matching token. */ -static void lex_match(LexState *ls, LexToken what, LexToken who, BCLine line) -{ - if (!lex_opt(ls, what)) { - if (line == ls->linenumber) { - err_token(ls, what); - } else { - const char *swhat = lj_lex_token2str(ls, what); - const char *swho = lj_lex_token2str(ls, who); - lj_lex_error(ls, ls->token, LJ_ERR_XMATCH, swhat, swho, line); - } - } -} - -/* Check for string token. */ -static GCstr *lex_str(LexState *ls) -{ - GCstr *s; - if (ls->token != TK_name) - err_token(ls, TK_name); - s = strV(&ls->tokenval); - lj_lex_next(ls); - return s; -} - -/* -- Variable handling --------------------------------------------------- */ - -#define var_get(ls, fs, i) ((ls)->vstack[(fs)->varmap[(i)]]) - -/* Define a new local variable. */ -static void var_new(LexState *ls, BCReg n, GCstr *name) -{ - FuncState *fs = ls->fs; - MSize vtop = ls->vtop; - checklimit(fs, fs->nactvar+n, LJ_MAX_LOCVAR, "local variables"); - if (LJ_UNLIKELY(vtop >= ls->sizevstack)) { - if (ls->sizevstack >= LJ_MAX_VSTACK) - lj_lex_error(ls, 0, LJ_ERR_XLIMC, LJ_MAX_VSTACK); - lj_mem_growvec(ls->L, ls->vstack, ls->sizevstack, LJ_MAX_VSTACK, VarInfo); - } - lua_assert((uintptr_t)name < VARNAME__MAX || - lj_tab_getstr(fs->kt, name) != NULL); - /* NOBARRIER: name is anchored in fs->kt and ls->vstack is not a GCobj. */ - setgcref(ls->vstack[vtop].name, obj2gco(name)); - fs->varmap[fs->nactvar+n] = (uint16_t)vtop; - ls->vtop = vtop+1; -} - -#define var_new_lit(ls, n, v) \ - var_new(ls, (n), lj_parse_keepstr(ls, "" v, sizeof(v)-1)) - -#define var_new_fixed(ls, n, vn) \ - var_new(ls, (n), (GCstr *)(uintptr_t)(vn)) - -/* Add local variables. */ -static void var_add(LexState *ls, BCReg nvars) -{ - FuncState *fs = ls->fs; - fs->nactvar = (uint8_t)(fs->nactvar + nvars); - for (; nvars; nvars--) - var_get(ls, fs, fs->nactvar - nvars).startpc = fs->pc; -} - -/* Remove local variables. */ -static void var_remove(LexState *ls, BCReg tolevel) -{ - FuncState *fs = ls->fs; - while (fs->nactvar > tolevel) - var_get(ls, fs, --fs->nactvar).endpc = fs->pc; -} - -/* Lookup local variable name. */ -static BCReg var_lookup_local(FuncState *fs, GCstr *n) -{ - int i; - for (i = fs->nactvar-1; i >= 0; i--) { - if (n == strref(var_get(fs->ls, fs, i).name)) - return (BCReg)i; - } - return (BCReg)-1; /* Not found. */ -} - -/* Lookup or add upvalue index. */ -static MSize var_lookup_uv(FuncState *fs, MSize vidx, ExpDesc *e) -{ - MSize i, n = fs->nuv; - for (i = 0; i < n; i++) - if (fs->uvloc[i].vidx == vidx) - return i; /* Already exists. */ - /* Otherwise create a new one. */ - checklimit(fs, fs->nuv, LJ_MAX_UPVAL, "upvalues"); - lua_assert(e->k == VLOCAL || e->k == VUPVAL); - fs->uvloc[n].vidx = (uint16_t)vidx; - fs->uvloc[n].slot = (uint16_t)(e->u.s.info | (e->k == VLOCAL ? 0x8000 : 0)); - fs->nuv = n+1; - return n; -} - -/* Forward declaration. */ -static void scope_uvmark(FuncState *fs, BCReg level); - -/* Recursively lookup variables in enclosing functions. */ -static MSize var_lookup_(FuncState *fs, GCstr *name, ExpDesc *e, int first) -{ - if (fs) { - BCReg reg = var_lookup_local(fs, name); - if ((int32_t)reg >= 0) { /* Local in this function? */ - expr_init(e, VLOCAL, reg); - if (!first) - scope_uvmark(fs, reg); /* Scope now has an upvalue. */ - return (MSize)fs->varmap[reg]; - } else { - MSize vidx = var_lookup_(fs->prev, name, e, 0); /* Var in outer func? */ - if ((int32_t)vidx >= 0) { /* Yes, make it an upvalue here. */ - e->u.s.info = (uint8_t)var_lookup_uv(fs, vidx, e); - e->k = VUPVAL; - return vidx; - } - } - } else { /* Not found in any function, must be a global. */ - expr_init(e, VGLOBAL, 0); - e->u.sval = name; - } - return (MSize)-1; /* Global. */ -} - -/* Lookup variable name. */ -#define var_lookup(ls, e) \ - var_lookup_((ls)->fs, lex_str(ls), (e), 1) - -/* -- Function state management ------------------------------------------- */ - -/* Fixup bytecode for prototype. */ -static void fs_fixup_bc(FuncState *fs, GCproto *pt, BCIns *bc, MSize n) -{ - BCInsLine *base = fs->bcbase; - MSize i; - pt->sizebc = n; - bc[0] = BCINS_AD((fs->flags & PROTO_VARARG) ? BC_FUNCV : BC_FUNCF, - fs->framesize, 0); - for (i = 1; i < n; i++) - bc[i] = base[i].ins; -} - -/* Fixup constants for prototype. */ -static void fs_fixup_k(FuncState *fs, GCproto *pt, void *kptr) -{ - GCtab *kt; - TValue *array; - Node *node; - MSize i, hmask; - checklimitgt(fs, fs->nkn, BCMAX_D+1, "constants"); - checklimitgt(fs, fs->nkgc, BCMAX_D+1, "constants"); - setmref(pt->k, kptr); - pt->sizekn = fs->nkn; - pt->sizekgc = fs->nkgc; - kt = fs->kt; - array = tvref(kt->array); - for (i = 0; i < kt->asize; i++) - if (tvhaskslot(&array[i])) { - TValue *tv = &((TValue *)kptr)[tvkslot(&array[i])]; - if (LJ_DUALNUM) - setintV(tv, (int32_t)i); - else - setnumV(tv, (lua_Number)i); - } - node = noderef(kt->node); - hmask = kt->hmask; - for (i = 0; i <= hmask; i++) { - Node *n = &node[i]; - if (tvhaskslot(&n->val)) { - ptrdiff_t kidx = (ptrdiff_t)tvkslot(&n->val); - lua_assert(!tvisint(&n->key)); - if (tvisnum(&n->key)) { - TValue *tv = &((TValue *)kptr)[kidx]; - if (LJ_DUALNUM) { - lua_Number nn = numV(&n->key); - int32_t k = lj_num2int(nn); - lua_assert(!tvismzero(&n->key)); - if ((lua_Number)k == nn) - setintV(tv, k); - else - *tv = n->key; - } else { - *tv = n->key; - } - } else { - GCobj *o = gcV(&n->key); - setgcref(((GCRef *)kptr)[~kidx], o); - lj_gc_objbarrier(fs->L, pt, o); - } - } - } -} - -/* Fixup upvalues for prototype. */ -static void fs_fixup_uv(FuncState *fs, GCproto *pt, uint16_t *uv) -{ - MSize i, n = fs->nuv; - setmref(pt->uv, uv); - pt->sizeuv = n; - for (i = 0; i < n; i++) - uv[i] = fs->uvloc[i].slot; -} - -#ifndef LUAJIT_DISABLE_DEBUGINFO -/* Prepare lineinfo for prototype. */ -static size_t fs_prep_line(FuncState *fs, BCLine numline) -{ - return (fs->pc-1) << (numline < 256 ? 0 : numline < 65536 ? 1 : 2); -} - -/* Fixup lineinfo for prototype. */ -static void fs_fixup_line(FuncState *fs, GCproto *pt, - void *lineinfo, BCLine numline) -{ - BCInsLine *base = fs->bcbase + 1; - BCLine first = fs->linedefined; - MSize i = 0, n = fs->pc-1; - pt->firstline = fs->linedefined; - pt->numline = numline; - setmref(pt->lineinfo, lineinfo); - if (LJ_LIKELY(numline < 256)) { - uint8_t *li = (uint8_t *)lineinfo; - do { - BCLine delta = base[i].line - first; - lua_assert(delta >= 0 && delta < 256); - li[i] = (uint8_t)delta; - } while (++i < n); - } else if (LJ_LIKELY(numline < 65536)) { - uint16_t *li = (uint16_t *)lineinfo; - do { - BCLine delta = base[i].line - first; - lua_assert(delta >= 0 && delta < 65536); - li[i] = (uint16_t)delta; - } while (++i < n); - } else { - uint32_t *li = (uint32_t *)lineinfo; - do { - BCLine delta = base[i].line - first; - lua_assert(delta >= 0); - li[i] = (uint32_t)delta; - } while (++i < n); - } -} - -/* Resize buffer if needed. */ -static LJ_NOINLINE void fs_buf_resize(LexState *ls, MSize len) -{ - MSize sz = ls->sb.sz * 2; - while (ls->sb.n + len > sz) sz = sz * 2; - lj_str_resizebuf(ls->L, &ls->sb, sz); -} - -static LJ_AINLINE void fs_buf_need(LexState *ls, MSize len) -{ - if (LJ_UNLIKELY(ls->sb.n + len > ls->sb.sz)) - fs_buf_resize(ls, len); -} - -/* Add string to buffer. */ -static void fs_buf_str(LexState *ls, const char *str, MSize len) -{ - char *p = ls->sb.buf + ls->sb.n; - MSize i; - ls->sb.n += len; - for (i = 0; i < len; i++) p[i] = str[i]; -} - -/* Add ULEB128 value to buffer. */ -static void fs_buf_uleb128(LexState *ls, uint32_t v) -{ - MSize n = ls->sb.n; - uint8_t *p = (uint8_t *)ls->sb.buf; - for (; v >= 0x80; v >>= 7) - p[n++] = (uint8_t)((v & 0x7f) | 0x80); - p[n++] = (uint8_t)v; - ls->sb.n = n; -} - -/* Prepare variable info for prototype. */ -static size_t fs_prep_var(LexState *ls, FuncState *fs, size_t *ofsvar) -{ - VarInfo *vstack = fs->ls->vstack; - MSize i, n; - BCPos lastpc; - lj_str_resetbuf(&ls->sb); /* Copy to temp. string buffer. */ - /* Store upvalue names. */ - for (i = 0, n = fs->nuv; i < n; i++) { - GCstr *s = strref(vstack[fs->uvloc[i].vidx].name); - MSize len = s->len+1; - fs_buf_need(ls, len); - fs_buf_str(ls, strdata(s), len); - } - *ofsvar = ls->sb.n; - vstack += fs->vbase; - lastpc = 0; - /* Store local variable names and compressed ranges. */ - for (i = 0, n = ls->vtop - fs->vbase; i < n; i++) { - GCstr *s = strref(vstack[i].name); - BCPos startpc = vstack[i].startpc, endpc = vstack[i].endpc; - if ((uintptr_t)s < VARNAME__MAX) { - fs_buf_need(ls, 1 + 2*5); - ls->sb.buf[ls->sb.n++] = (uint8_t)(uintptr_t)s; - } else { - MSize len = s->len+1; - fs_buf_need(ls, len + 2*5); - fs_buf_str(ls, strdata(s), len); - } - fs_buf_uleb128(ls, startpc-lastpc); - fs_buf_uleb128(ls, endpc-startpc); - lastpc = startpc; - } - fs_buf_need(ls, 1); - ls->sb.buf[ls->sb.n++] = '\0'; /* Terminator for varinfo. */ - return ls->sb.n; -} - -/* Fixup variable info for prototype. */ -static void fs_fixup_var(LexState *ls, GCproto *pt, uint8_t *p, size_t ofsvar) -{ - setmref(pt->uvinfo, p); - setmref(pt->varinfo, (char *)p + ofsvar); - memcpy(p, ls->sb.buf, ls->sb.n); /* Copy from temp. string buffer. */ -} -#else - -/* Initialize with empty debug info, if disabled. */ -#define fs_prep_line(fs, numline) (UNUSED(numline), 0) -#define fs_fixup_line(fs, pt, li, numline) \ - pt->firstline = pt->numline = 0, setmref((pt)->lineinfo, NULL) -#define fs_prep_var(ls, fs, ofsvar) (UNUSED(ofsvar), 0) -#define fs_fixup_var(ls, pt, p, ofsvar) \ - setmref((pt)->uvinfo, NULL), setmref((pt)->varinfo, NULL) - -#endif - -/* Check if bytecode op returns. */ -static int bcopisret(BCOp op) -{ - switch (op) { - case BC_CALLMT: case BC_CALLT: - case BC_RETM: case BC_RET: case BC_RET0: case BC_RET1: - return 1; - default: - return 0; - } -} - -/* Fixup return instruction for prototype. */ -static void fs_fixup_ret(FuncState *fs) -{ - BCPos lastpc = fs->pc; - if (lastpc <= fs->lasttarget || !bcopisret(bc_op(fs->bcbase[lastpc-1].ins))) { - if (fs->flags & PROTO_CHILD) - bcemit_AJ(fs, BC_UCLO, 0, 0); - bcemit_AD(fs, BC_RET0, 0, 1); /* Need final return. */ - } - /* May need to fixup returns encoded before first function was created. */ - if (fs->flags & PROTO_FIXUP_RETURN) { - BCPos pc; - for (pc = 0; pc < lastpc; pc++) { - BCIns ins = fs->bcbase[pc].ins; - BCPos offset; - switch (bc_op(ins)) { - case BC_CALLMT: case BC_CALLT: - case BC_RETM: case BC_RET: case BC_RET0: case BC_RET1: - offset = bcemit_INS(fs, ins)-(pc+1)+BCBIAS_J; /* Copy return ins. */ - if (offset > BCMAX_D) - err_syntax(fs->ls, LJ_ERR_XFIXUP); - /* Replace with UCLO plus branch. */ - fs->bcbase[pc].ins = BCINS_AD(BC_UCLO, 0, offset); - break; - case BC_UCLO: - return; /* We're done. */ - default: - break; - } - } - } -} - -/* Finish a FuncState and return the new prototype. */ -static GCproto *fs_finish(LexState *ls, BCLine line) -{ - lua_State *L = ls->L; - FuncState *fs = ls->fs; - BCLine numline = line - fs->linedefined; - size_t sizept, ofsk, ofsuv, ofsli, ofsdbg, ofsvar; - GCproto *pt; - - /* Apply final fixups. */ - lua_assert(fs->bl == NULL); - fs_fixup_ret(fs); - var_remove(ls, 0); - - /* Calculate total size of prototype including all colocated arrays. */ - sizept = sizeof(GCproto) + fs->pc*sizeof(BCIns) + fs->nkgc*sizeof(GCRef); - sizept = (sizept + sizeof(TValue)-1) & ~(sizeof(TValue)-1); - ofsk = sizept; sizept += fs->nkn*sizeof(TValue); - ofsuv = sizept; sizept += ((fs->nuv+1)&~1)*2; - ofsli = sizept; sizept += fs_prep_line(fs, numline); - ofsdbg = sizept; sizept += fs_prep_var(ls, fs, &ofsvar); - - /* Allocate prototype and initialize its fields. */ - pt = (GCproto *)lj_mem_newgco(L, (MSize)sizept); - pt->gct = ~LJ_TPROTO; - pt->sizept = (MSize)sizept; - pt->trace = 0; - pt->flags = (uint8_t)(fs->flags & ~(PROTO_HAS_RETURN|PROTO_FIXUP_RETURN)); - pt->numparams = fs->numparams; - pt->framesize = fs->framesize; - setgcref(pt->chunkname, obj2gco(ls->chunkname)); - - /* Close potentially uninitialized gap between bc and kgc. */ - *(uint32_t *)((char *)pt + ofsk - sizeof(GCRef)*(fs->nkgc+1)) = 0; - fs_fixup_bc(fs, pt, (BCIns *)((char *)pt + sizeof(GCproto)), fs->pc); - fs_fixup_k(fs, pt, (void *)((char *)pt + ofsk)); - fs_fixup_uv(fs, pt, (uint16_t *)((char *)pt + ofsuv)); - fs_fixup_line(fs, pt, (void *)((char *)pt + ofsli), numline); - fs_fixup_var(ls, pt, (uint8_t *)((char *)pt + ofsdbg), ofsvar); - - lj_vmevent_send(L, BC, - setprotoV(L, L->top++, pt); - ); - - L->top--; /* Pop table of constants. */ - ls->vtop = fs->vbase; /* Reset variable stack. */ - ls->fs = fs->prev; - lua_assert(ls->fs != NULL || ls->token == TK_eof); - return pt; -} - -/* Initialize a new FuncState. */ -static void fs_init(LexState *ls, FuncState *fs) -{ - lua_State *L = ls->L; - fs->prev = ls->fs; ls->fs = fs; /* Append to list. */ - fs->ls = ls; - fs->vbase = ls->vtop; - fs->L = L; - fs->pc = 0; - fs->lasttarget = 0; - fs->jpc = NO_JMP; - fs->freereg = 0; - fs->nkgc = 0; - fs->nkn = 0; - fs->nactvar = 0; - fs->nuv = 0; - fs->bl = NULL; - fs->flags = 0; - fs->framesize = 1; /* Minimum frame size. */ - fs->kt = lj_tab_new(L, 0, 0); - /* Anchor table of constants in stack to avoid being collected. */ - settabV(L, L->top, fs->kt); - incr_top(L); -} - -/* -- Expressions --------------------------------------------------------- */ - -/* Forward declaration. */ -static void expr(LexState *ls, ExpDesc *v); - -/* Return string expression. */ -static void expr_str(LexState *ls, ExpDesc *e) -{ - expr_init(e, VKSTR, 0); - e->u.sval = lex_str(ls); -} - -/* Return index expression. */ -static void expr_index(FuncState *fs, ExpDesc *t, ExpDesc *e) -{ - /* Already called: expr_toval(fs, e). */ - t->k = VINDEXED; - if (expr_isnumk(e)) { -#if LJ_DUALNUM - if (tvisint(expr_numtv(e))) { - int32_t k = intV(expr_numtv(e)); - if (checku8(k)) { - t->u.s.aux = BCMAX_C+1+(uint32_t)k; /* 256..511: const byte key */ - return; - } - } -#else - lua_Number n = expr_numberV(e); - int32_t k = lj_num2int(n); - if (checku8(k) && n == (lua_Number)k) { - t->u.s.aux = BCMAX_C+1+(uint32_t)k; /* 256..511: const byte key */ - return; - } -#endif - } else if (expr_isstrk(e)) { - BCReg idx = const_str(fs, e); - if (idx <= BCMAX_C) { - t->u.s.aux = ~idx; /* -256..-1: const string key */ - return; - } - } - t->u.s.aux = expr_toanyreg(fs, e); /* 0..255: register */ -} - -/* Parse index expression with named field. */ -static void expr_field(LexState *ls, ExpDesc *v) -{ - FuncState *fs = ls->fs; - ExpDesc key; - expr_toanyreg(fs, v); - lj_lex_next(ls); /* Skip dot or colon. */ - expr_str(ls, &key); - expr_index(fs, v, &key); -} - -/* Parse index expression with brackets. */ -static void expr_bracket(LexState *ls, ExpDesc *v) -{ - lj_lex_next(ls); /* Skip '['. */ - expr(ls, v); - expr_toval(ls->fs, v); - lex_check(ls, ']'); -} - -/* Get value of constant expression. */ -static void expr_kvalue(TValue *v, ExpDesc *e) -{ - if (e->k <= VKTRUE) { - setitype(v, ~(uint32_t)e->k); - } else if (e->k == VKSTR) { - setgcref(v->gcr, obj2gco(e->u.sval)); - setitype(v, LJ_TSTR); - } else { - lua_assert(tvisnumber(expr_numtv(e))); - *v = *expr_numtv(e); - } -} - -/* Parse table constructor expression. */ -static void expr_table(LexState *ls, ExpDesc *e) -{ - FuncState *fs = ls->fs; - BCLine line = ls->linenumber; - GCtab *t = NULL; - int vcall = 0, needarr = 0; - int32_t narr = 1; /* First array index. */ - uint32_t nhash = 0; /* Number of hash entries. */ - BCReg freg = fs->freereg; - BCPos pc = bcemit_AD(fs, BC_TNEW, freg, 0); - expr_init(e, VNONRELOC, freg); - bcreg_reserve(fs, 1); - freg++; - lex_check(ls, '{'); - while (ls->token != '}') { - ExpDesc key, val; - vcall = 0; - if (ls->token == '[') { - expr_bracket(ls, &key); /* Already calls expr_toval. */ - if (!expr_isk(&key)) expr_index(fs, e, &key); - if (expr_isnumk(&key) && expr_numiszero(&key)) needarr = 1; else nhash++; - lex_check(ls, '='); - } else if (ls->token == TK_name && lj_lex_lookahead(ls) == '=') { - expr_str(ls, &key); - lex_check(ls, '='); - nhash++; - } else { - expr_init(&key, VKNUM, 0); - setintV(&key.u.nval, narr); - narr++; - needarr = vcall = 1; - } - expr(ls, &val); - if (expr_isk_nojump(&val) && expr_isk(&key) && key.k != VKNIL) { - TValue k; - if (!t) { /* Create template table on demand. */ - BCReg kidx; - t = lj_tab_new(fs->L, 0, 0); - kidx = const_gc(fs, obj2gco(t), LJ_TTAB); - fs->bcbase[pc].ins = BCINS_AD(BC_TDUP, freg-1, kidx); - } - vcall = 0; - expr_kvalue(&k, &key); - expr_kvalue(lj_tab_set(fs->L, t, &k), &val); - lj_gc_anybarriert(fs->L, t); - } else { - if (val.k != VCALL) { expr_toanyreg(fs, &val); vcall = 0; } - if (expr_isk(&key)) expr_index(fs, e, &key); - bcemit_store(fs, e, &val); - } - fs->freereg = freg; - if (!lex_opt(ls, ',') && !lex_opt(ls, ';')) break; - } - lex_match(ls, '}', '{', line); - if (vcall) { - BCInsLine *ilp = &fs->bcbase[fs->pc-1]; - ExpDesc en; - lua_assert(bc_a(ilp->ins) == freg && - bc_op(ilp->ins) == (narr > 256 ? BC_TSETV : BC_TSETB)); - expr_init(&en, VKNUM, 0); - en.u.nval.u32.lo = narr-1; - en.u.nval.u32.hi = 0x43300000; /* Biased integer to avoid denormals. */ - if (narr > 256) { fs->pc--; ilp--; } - ilp->ins = BCINS_AD(BC_TSETM, freg, const_num(fs, &en)); - setbc_b(&ilp[-1].ins, 0); - } - if (pc == fs->pc-1) { /* Make expr relocable if possible. */ - e->u.s.info = pc; - fs->freereg--; - e->k = VRELOCABLE; - } else { - e->k = VNONRELOC; /* May have been changed by expr_index. */ - } - if (!t) { /* Construct TNEW RD: hhhhhaaaaaaaaaaa. */ - BCIns *ip = &fs->bcbase[pc].ins; - if (!needarr) narr = 0; - else if (narr < 3) narr = 3; - else if (narr > 0x7ff) narr = 0x7ff; - setbc_d(ip, (uint32_t)narr|(hsize2hbits(nhash)<<11)); - } -} - -/* Parse function parameters. */ -static BCReg parse_params(LexState *ls, int needself) -{ - FuncState *fs = ls->fs; - BCReg nparams = 0; - lex_check(ls, '('); - if (needself) - var_new_lit(ls, nparams++, "self"); - if (ls->token != ')') { - do { - if (ls->token == TK_name) { - var_new(ls, nparams++, lex_str(ls)); - } else if (ls->token == TK_dots) { - lj_lex_next(ls); - fs->flags |= PROTO_VARARG; - break; - } else { - err_syntax(ls, LJ_ERR_XPARAM); - } - } while (lex_opt(ls, ',')); - } - var_add(ls, nparams); - lua_assert(fs->nactvar == nparams); - bcreg_reserve(fs, nparams); - lex_check(ls, ')'); - return nparams; -} - -/* Forward declaration. */ -static void parse_chunk(LexState *ls); - -/* Parse body of a function. */ -static void parse_body(LexState *ls, ExpDesc *e, int needself, BCLine line) -{ - FuncState fs, *pfs = ls->fs; - GCproto *pt; - ptrdiff_t oldbase = pfs->bcbase - ls->bcstack; - fs_init(ls, &fs); - fs.linedefined = line; - fs.numparams = (uint8_t)parse_params(ls, needself); - fs.bcbase = pfs->bcbase + pfs->pc; - fs.bclim = pfs->bclim - pfs->pc; - bcemit_AD(&fs, BC_FUNCF, 0, 0); /* Placeholder. */ - parse_chunk(ls); - if (ls->token != TK_end) lex_match(ls, TK_end, TK_function, line); - pt = fs_finish(ls, (ls->lastline = ls->linenumber)); - pfs->bcbase = ls->bcstack + oldbase; /* May have been reallocated. */ - pfs->bclim = (BCPos)(ls->sizebcstack - oldbase); - /* Store new prototype in the constant array of the parent. */ - expr_init(e, VRELOCABLE, - bcemit_AD(pfs, BC_FNEW, 0, const_gc(pfs, obj2gco(pt), LJ_TPROTO))); -#if LJ_HASFFI - pfs->flags |= (fs.flags & PROTO_FFI); -#endif - if (!(pfs->flags & PROTO_CHILD)) { - if (pfs->flags & PROTO_HAS_RETURN) - pfs->flags |= PROTO_FIXUP_RETURN; - pfs->flags |= PROTO_CHILD; - } - lj_lex_next(ls); -} - -/* Parse expression list. Last expression is left open. */ -static BCReg expr_list(LexState *ls, ExpDesc *v) -{ - BCReg n = 1; - expr(ls, v); - while (lex_opt(ls, ',')) { - expr_tonextreg(ls->fs, v); - expr(ls, v); - n++; - } - return n; -} - -/* Parse function argument list. */ -static void parse_args(LexState *ls, ExpDesc *e) -{ - FuncState *fs = ls->fs; - ExpDesc args; - BCIns ins; - BCReg base; - BCLine line = ls->linenumber; - if (ls->token == '(') { - if (line != ls->lastline) - err_syntax(ls, LJ_ERR_XAMBIG); - lj_lex_next(ls); - if (ls->token == ')') { /* f(). */ - args.k = VVOID; - } else { - expr_list(ls, &args); - if (args.k == VCALL) /* f(a, b, g()) or f(a, b, ...). */ - setbc_b(bcptr(fs, &args), 0); /* Pass on multiple results. */ - } - lex_match(ls, ')', '(', line); - } else if (ls->token == '{') { - expr_table(ls, &args); - } else if (ls->token == TK_string) { - expr_init(&args, VKSTR, 0); - args.u.sval = strV(&ls->tokenval); - lj_lex_next(ls); - } else { - err_syntax(ls, LJ_ERR_XFUNARG); - return; /* Silence compiler. */ - } - lua_assert(e->k == VNONRELOC); - base = e->u.s.info; /* Base register for call. */ - if (args.k == VCALL) { - ins = BCINS_ABC(BC_CALLM, base, 2, args.u.s.aux - base - 1); - } else { - if (args.k != VVOID) - expr_tonextreg(fs, &args); - ins = BCINS_ABC(BC_CALL, base, 2, fs->freereg - base); - } - expr_init(e, VCALL, bcemit_INS(fs, ins)); - e->u.s.aux = base; - fs->bcbase[fs->pc - 1].line = line; - fs->freereg = base+1; /* Leave one result by default. */ -} - -/* Parse primary expression. */ -static void expr_primary(LexState *ls, ExpDesc *v) -{ - FuncState *fs = ls->fs; - /* Parse prefix expression. */ - if (ls->token == '(') { - BCLine line = ls->linenumber; - lj_lex_next(ls); - expr(ls, v); - lex_match(ls, ')', '(', line); - expr_discharge(ls->fs, v); - } else if (ls->token == TK_name) { - var_lookup(ls, v); - } else { - err_syntax(ls, LJ_ERR_XSYMBOL); - } - for (;;) { /* Parse multiple expression suffixes. */ - if (ls->token == '.') { - expr_field(ls, v); - } else if (ls->token == '[') { - ExpDesc key; - expr_toanyreg(fs, v); - expr_bracket(ls, &key); - expr_index(fs, v, &key); - } else if (ls->token == ':') { - ExpDesc key; - lj_lex_next(ls); - expr_str(ls, &key); - bcemit_method(fs, v, &key); - parse_args(ls, v); - } else if (ls->token == '(' || ls->token == TK_string || ls->token == '{') { - expr_tonextreg(fs, v); - parse_args(ls, v); - } else { - break; - } - } -} - -/* Parse simple expression. */ -static void expr_simple(LexState *ls, ExpDesc *v) -{ - switch (ls->token) { - case TK_number: - expr_init(v, (LJ_HASFFI && tviscdata(&ls->tokenval)) ? VKCDATA : VKNUM, 0); - copyTV(ls->L, &v->u.nval, &ls->tokenval); - break; - case TK_string: - expr_init(v, VKSTR, 0); - v->u.sval = strV(&ls->tokenval); - break; - case TK_nil: - expr_init(v, VKNIL, 0); - break; - case TK_true: - expr_init(v, VKTRUE, 0); - break; - case TK_false: - expr_init(v, VKFALSE, 0); - break; - case TK_dots: { /* Vararg. */ - FuncState *fs = ls->fs; - BCReg base; - checkcond(ls, fs->flags & PROTO_VARARG, LJ_ERR_XDOTS); - bcreg_reserve(fs, 1); - base = fs->freereg-1; - expr_init(v, VCALL, bcemit_ABC(fs, BC_VARG, base, 2, fs->numparams)); - v->u.s.aux = base; - break; - } - case '{': /* Table constructor. */ - expr_table(ls, v); - return; - case TK_function: - lj_lex_next(ls); - parse_body(ls, v, 0, ls->linenumber); - return; - default: - expr_primary(ls, v); - return; - } - lj_lex_next(ls); -} - -/* Manage syntactic levels to avoid blowing up the stack. */ -static void synlevel_begin(LexState *ls) -{ - if (++ls->level >= LJ_MAX_XLEVEL) - lj_lex_error(ls, 0, LJ_ERR_XLEVELS); -} - -#define synlevel_end(ls) ((ls)->level--) - -/* Convert token to binary operator. */ -static BinOpr token2binop(LexToken tok) -{ - switch (tok) { - case '+': return OPR_ADD; - case '-': return OPR_SUB; - case '*': return OPR_MUL; - case '/': return OPR_DIV; - case '%': return OPR_MOD; - case '^': return OPR_POW; - case TK_concat: return OPR_CONCAT; - case TK_ne: return OPR_NE; - case TK_eq: return OPR_EQ; - case '<': return OPR_LT; - case TK_le: return OPR_LE; - case '>': return OPR_GT; - case TK_ge: return OPR_GE; - case TK_and: return OPR_AND; - case TK_or: return OPR_OR; - default: return OPR_NOBINOPR; - } -} - -/* Priorities for each binary operator. ORDER OPR. */ -static const struct { - uint8_t left; /* Left priority. */ - uint8_t right; /* Right priority. */ -} priority[] = { - {6,6}, {6,6}, {7,7}, {7,7}, {7,7}, /* ADD SUB MUL DIV MOD */ - {10,9}, {5,4}, /* POW CONCAT (right associative) */ - {3,3}, {3,3}, /* EQ NE */ - {3,3}, {3,3}, {3,3}, {3,3}, /* LT GE GT LE */ - {2,2}, {1,1} /* AND OR */ -}; - -#define UNARY_PRIORITY 8 /* Priority for unary operators. */ - -/* Forward declaration. */ -static BinOpr expr_binop(LexState *ls, ExpDesc *v, uint32_t limit); - -/* Parse unary expression. */ -static void expr_unop(LexState *ls, ExpDesc *v) -{ - BCOp op; - if (ls->token == TK_not) { - op = BC_NOT; - } else if (ls->token == '-') { - op = BC_UNM; - } else if (ls->token == '#') { - op = BC_LEN; - } else { - expr_simple(ls, v); - return; - } - lj_lex_next(ls); - expr_binop(ls, v, UNARY_PRIORITY); - bcemit_unop(ls->fs, op, v); -} - -/* Parse binary expressions with priority higher than the limit. */ -static BinOpr expr_binop(LexState *ls, ExpDesc *v, uint32_t limit) -{ - BinOpr op; - synlevel_begin(ls); - expr_unop(ls, v); - op = token2binop(ls->token); - while (op != OPR_NOBINOPR && priority[op].left > limit) { - ExpDesc v2; - BinOpr nextop; - lj_lex_next(ls); - bcemit_binop_left(ls->fs, op, v); - /* Parse binary expression with higher priority. */ - nextop = expr_binop(ls, &v2, priority[op].right); - bcemit_binop(ls->fs, op, v, &v2); - op = nextop; - } - synlevel_end(ls); - return op; /* Return unconsumed binary operator (if any). */ -} - -/* Parse expression. */ -static void expr(LexState *ls, ExpDesc *v) -{ - expr_binop(ls, v, 0); /* Priority 0: parse whole expression. */ -} - -/* Assign expression to the next register. */ -static void expr_next(LexState *ls) -{ - ExpDesc e; - expr(ls, &e); - expr_tonextreg(ls->fs, &e); -} - -/* Parse conditional expression. */ -static BCPos expr_cond(LexState *ls) -{ - ExpDesc v; - expr(ls, &v); - if (v.k == VKNIL) v.k = VKFALSE; - bcemit_branch_t(ls->fs, &v); - return v.f; -} - -/* -- Scope handling ------------------------------------------------------ */ - -/* Begin a scope. */ -static void scope_begin(FuncState *fs, FuncScope *bl, int isbreakable) -{ - bl->breaklist = NO_JMP; - bl->isbreakable = (uint8_t)isbreakable; - bl->nactvar = (uint8_t)fs->nactvar; - bl->upval = 0; - bl->prev = fs->bl; - fs->bl = bl; - lua_assert(fs->freereg == fs->nactvar); -} - -/* End a scope. */ -static void scope_end(FuncState *fs) -{ - FuncScope *bl = fs->bl; - fs->bl = bl->prev; - var_remove(fs->ls, bl->nactvar); - fs->freereg = fs->nactvar; - lua_assert(bl->nactvar == fs->nactvar); - /* A scope is either breakable or has upvalues. */ - lua_assert(!bl->isbreakable || !bl->upval); - if (bl->upval) - bcemit_AJ(fs, BC_UCLO, bl->nactvar, 0); - else /* Avoid in upval case, it clears lasttarget and kills UCLO+JMP join. */ - jmp_tohere(fs, bl->breaklist); -} - -/* Mark scope as having an upvalue. */ -static void scope_uvmark(FuncState *fs, BCReg level) -{ - FuncScope *bl; - for (bl = fs->bl; bl && bl->nactvar > level; bl = bl->prev) - ; - if (bl) - bl->upval = 1; -} - -/* Parse 'break' statement. */ -static void parse_break(LexState *ls) -{ - FuncState *fs = ls->fs; - FuncScope *bl; - BCReg savefr; - int upval = 0; - for (bl = fs->bl; bl && !bl->isbreakable; bl = bl->prev) - upval |= bl->upval; /* Collect upvalues in intervening scopes. */ - if (!bl) /* Error if no breakable scope found. */ - err_syntax(ls, LJ_ERR_XBREAK); - savefr = fs->freereg; - fs->freereg = bl->nactvar; /* Shrink slots to help data-flow analysis. */ - if (upval) - bcemit_AJ(fs, BC_UCLO, bl->nactvar, 0); /* Close upvalues. */ - jmp_append(fs, &bl->breaklist, bcemit_jmp(fs)); - fs->freereg = savefr; -} - -/* Check for end of block. */ -static int endofblock(LexToken token) -{ - switch (token) { - case TK_else: case TK_elseif: case TK_end: case TK_until: case TK_eof: - return 1; - default: - return 0; - } -} - -/* Parse 'return' statement. */ -static void parse_return(LexState *ls) -{ - BCIns ins; - FuncState *fs = ls->fs; - lj_lex_next(ls); /* Skip 'return'. */ - fs->flags |= PROTO_HAS_RETURN; - if (endofblock(ls->token) || ls->token == ';') { /* Bare return. */ - ins = BCINS_AD(BC_RET0, 0, 1); - } else { /* Return with one or more values. */ - ExpDesc e; /* Receives the _last_ expression in the list. */ - BCReg nret = expr_list(ls, &e); - if (nret == 1) { /* Return one result. */ - if (e.k == VCALL) { /* Check for tail call. */ - BCIns *ip = bcptr(fs, &e); - /* It doesn't pay off to add BC_VARGT just for 'return ...'. */ - if (bc_op(*ip) == BC_VARG) goto notailcall; - fs->pc--; - ins = BCINS_AD(bc_op(*ip)-BC_CALL+BC_CALLT, bc_a(*ip), bc_c(*ip)); - } else { /* Can return the result from any register. */ - ins = BCINS_AD(BC_RET1, expr_toanyreg(fs, &e), 2); - } - } else { - if (e.k == VCALL) { /* Append all results from a call. */ - notailcall: - setbc_b(bcptr(fs, &e), 0); - ins = BCINS_AD(BC_RETM, fs->nactvar, e.u.s.aux - fs->nactvar); - } else { - expr_tonextreg(fs, &e); /* Force contiguous registers. */ - ins = BCINS_AD(BC_RET, fs->nactvar, nret+1); - } - } - } - if (fs->flags & PROTO_CHILD) - bcemit_AJ(fs, BC_UCLO, 0, 0); /* May need to close upvalues first. */ - bcemit_INS(fs, ins); -} - -/* Parse a block. */ -static void parse_block(LexState *ls) -{ - FuncState *fs = ls->fs; - FuncScope bl; - scope_begin(fs, &bl, 0); - parse_chunk(ls); - lua_assert(bl.breaklist == NO_JMP); - scope_end(fs); -} - -/* -- Assignments --------------------------------------------------------- */ - -/* List of LHS variables. */ -typedef struct LHSVarList { - ExpDesc v; /* LHS variable. */ - struct LHSVarList *prev; /* Link to previous LHS variable. */ -} LHSVarList; - -/* Eliminate write-after-read hazards for local variable assignment. */ -static void assign_hazard(LexState *ls, LHSVarList *lh, const ExpDesc *v) -{ - FuncState *fs = ls->fs; - BCReg reg = v->u.s.info; /* Check against this variable. */ - BCReg tmp = fs->freereg; /* Rename to this temp. register (if needed). */ - int hazard = 0; - for (; lh; lh = lh->prev) { - if (lh->v.k == VINDEXED) { - if (lh->v.u.s.info == reg) { /* t[i], t = 1, 2 */ - hazard = 1; - lh->v.u.s.info = tmp; - } - if (lh->v.u.s.aux == reg) { /* t[i], i = 1, 2 */ - hazard = 1; - lh->v.u.s.aux = tmp; - } - } - } - if (hazard) { - bcemit_AD(fs, BC_MOV, tmp, reg); /* Rename conflicting variable. */ - bcreg_reserve(fs, 1); - } -} - -/* Adjust LHS/RHS of an assignment. */ -static void assign_adjust(LexState *ls, BCReg nvars, BCReg nexps, ExpDesc *e) -{ - FuncState *fs = ls->fs; - int32_t extra = (int32_t)nvars - (int32_t)nexps; - if (e->k == VCALL) { - extra++; /* Compensate for the VCALL itself. */ - if (extra < 0) extra = 0; - setbc_b(bcptr(fs, e), extra+1); /* Fixup call results. */ - if (extra > 1) bcreg_reserve(fs, (BCReg)extra-1); - } else { - if (e->k != VVOID) - expr_tonextreg(fs, e); /* Close last expression. */ - if (extra > 0) { /* Leftover LHS are set to nil. */ - BCReg reg = fs->freereg; - bcreg_reserve(fs, (BCReg)extra); - bcemit_nil(fs, reg, (BCReg)extra); - } - } -} - -/* Recursively parse assignment statement. */ -static void parse_assignment(LexState *ls, LHSVarList *lh, BCReg nvars) -{ - ExpDesc e; - checkcond(ls, VLOCAL <= lh->v.k && lh->v.k <= VINDEXED, LJ_ERR_XSYNTAX); - if (lex_opt(ls, ',')) { /* Collect LHS list and recurse upwards. */ - LHSVarList vl; - vl.prev = lh; - expr_primary(ls, &vl.v); - if (vl.v.k == VLOCAL) - assign_hazard(ls, lh, &vl.v); - checklimit(ls->fs, ls->level + nvars, LJ_MAX_XLEVEL, "variable names"); - parse_assignment(ls, &vl, nvars+1); - } else { /* Parse RHS. */ - BCReg nexps; - lex_check(ls, '='); - nexps = expr_list(ls, &e); - if (nexps == nvars) { - if (e.k == VCALL) { - if (bc_op(*bcptr(ls->fs, &e)) == BC_VARG) { /* Vararg assignment. */ - ls->fs->freereg--; - e.k = VRELOCABLE; - } else { /* Multiple call results. */ - e.u.s.info = e.u.s.aux; /* Base of call is not relocatable. */ - e.k = VNONRELOC; - } - } - bcemit_store(ls->fs, &lh->v, &e); - return; - } - assign_adjust(ls, nvars, nexps, &e); - if (nexps > nvars) - ls->fs->freereg -= nexps - nvars; /* Drop leftover regs. */ - } - /* Assign RHS to LHS and recurse downwards. */ - expr_init(&e, VNONRELOC, ls->fs->freereg-1); - bcemit_store(ls->fs, &lh->v, &e); -} - -/* Parse call statement or assignment. */ -static void parse_call_assign(LexState *ls) -{ - FuncState *fs = ls->fs; - LHSVarList vl; - expr_primary(ls, &vl.v); - if (vl.v.k == VCALL) { /* Function call statement. */ - setbc_b(bcptr(fs, &vl.v), 1); /* No results. */ - } else { /* Start of an assignment. */ - vl.prev = NULL; - parse_assignment(ls, &vl, 1); - } -} - -/* Parse 'local' statement. */ -static void parse_local(LexState *ls) -{ - if (lex_opt(ls, TK_function)) { /* Local function declaration. */ - ExpDesc v, b; - FuncState *fs = ls->fs; - var_new(ls, 0, lex_str(ls)); - expr_init(&v, VLOCAL, fs->freereg); - bcreg_reserve(fs, 1); - var_add(ls, 1); - parse_body(ls, &b, 0, ls->linenumber); - bcemit_store(fs, &v, &b); - /* The upvalue is in scope, but the local is only valid after the store. */ - var_get(ls, fs, fs->nactvar - 1).startpc = fs->pc; - } else { /* Local variable declaration. */ - ExpDesc e; - BCReg nexps, nvars = 0; - do { /* Collect LHS. */ - var_new(ls, nvars++, lex_str(ls)); - } while (lex_opt(ls, ',')); - if (lex_opt(ls, '=')) { /* Optional RHS. */ - nexps = expr_list(ls, &e); - } else { /* Or implicitly set to nil. */ - e.k = VVOID; - nexps = 0; - } - assign_adjust(ls, nvars, nexps, &e); - var_add(ls, nvars); - } -} - -/* Parse 'function' statement. */ -static void parse_func(LexState *ls, BCLine line) -{ - FuncState *fs; - ExpDesc v, b; - int needself = 0; - lj_lex_next(ls); /* Skip 'function'. */ - /* Parse function name. */ - var_lookup(ls, &v); - while (ls->token == '.') /* Multiple dot-separated fields. */ - expr_field(ls, &v); - if (ls->token == ':') { /* Optional colon to signify method call. */ - needself = 1; - expr_field(ls, &v); - } - parse_body(ls, &b, needself, line); - fs = ls->fs; - bcemit_store(fs, &v, &b); - fs->bcbase[fs->pc - 1].line = line; /* Set line for the store. */ -} - -/* -- Loop and conditional statements ------------------------------------- */ - -/* Parse 'while' statement. */ -static void parse_while(LexState *ls, BCLine line) -{ - FuncState *fs = ls->fs; - BCPos start, loop, condexit; - FuncScope bl; - lj_lex_next(ls); /* Skip 'while'. */ - start = fs->lasttarget = fs->pc; - condexit = expr_cond(ls); - scope_begin(fs, &bl, 1); - lex_check(ls, TK_do); - loop = bcemit_AD(fs, BC_LOOP, fs->nactvar, 0); - parse_block(ls); - jmp_patch(fs, bcemit_jmp(fs), start); - lex_match(ls, TK_end, TK_while, line); - scope_end(fs); - jmp_tohere(fs, condexit); - jmp_patchins(fs, loop, fs->pc); -} - -/* Parse 'repeat' statement. */ -static void parse_repeat(LexState *ls, BCLine line) -{ - FuncState *fs = ls->fs; - BCPos loop = fs->lasttarget = fs->pc; - BCPos condexit; - FuncScope bl1, bl2; - scope_begin(fs, &bl1, 1); /* Breakable loop scope. */ - scope_begin(fs, &bl2, 0); /* Inner scope. */ - lj_lex_next(ls); /* Skip 'repeat'. */ - bcemit_AD(fs, BC_LOOP, fs->nactvar, 0); - parse_chunk(ls); - lex_match(ls, TK_until, TK_repeat, line); - condexit = expr_cond(ls); /* Parse condition (still inside inner scope). */ - if (!bl2.upval) { /* No upvalues? Just end inner scope. */ - scope_end(fs); - } else { /* Otherwise generate: cond: UCLO+JMP out, !cond: UCLO+JMP loop. */ - parse_break(ls); /* Break from loop and close upvalues. */ - jmp_tohere(fs, condexit); - scope_end(fs); /* End inner scope and close upvalues. */ - condexit = bcemit_jmp(fs); - } - jmp_patch(fs, condexit, loop); /* Jump backwards if !cond. */ - jmp_patchins(fs, loop, fs->pc); - scope_end(fs); /* End loop scope. */ -} - -/* Parse numeric 'for'. */ -static void parse_for_num(LexState *ls, GCstr *varname, BCLine line) -{ - FuncState *fs = ls->fs; - BCReg base = fs->freereg; - FuncScope bl; - BCPos loop, loopend; - /* Hidden control variables. */ - var_new_fixed(ls, FORL_IDX, VARNAME_FOR_IDX); - var_new_fixed(ls, FORL_STOP, VARNAME_FOR_STOP); - var_new_fixed(ls, FORL_STEP, VARNAME_FOR_STEP); - /* Visible copy of index variable. */ - var_new(ls, FORL_EXT, varname); - lex_check(ls, '='); - expr_next(ls); - lex_check(ls, ','); - expr_next(ls); - if (lex_opt(ls, ',')) { - expr_next(ls); - } else { - bcemit_AD(fs, BC_KSHORT, fs->freereg, 1); /* Default step is 1. */ - bcreg_reserve(fs, 1); - } - var_add(ls, 3); /* Hidden control variables. */ - lex_check(ls, TK_do); - loop = bcemit_AJ(fs, BC_FORI, base, NO_JMP); - scope_begin(fs, &bl, 0); /* Scope for visible variables. */ - var_add(ls, 1); - bcreg_reserve(fs, 1); - parse_block(ls); - scope_end(fs); - /* Perform loop inversion. Loop control instructions are at the end. */ - loopend = bcemit_AJ(fs, BC_FORL, base, NO_JMP); - fs->bcbase[loopend].line = line; /* Fix line for control ins. */ - jmp_patchins(fs, loopend, loop+1); - jmp_patchins(fs, loop, fs->pc); -} - -/* Try to predict whether the iterator is next() and specialize the bytecode. -** Detecting next() and pairs() by name is simplistic, but quite effective. -** The interpreter backs off if the check for the closure fails at runtime. -*/ -static int predict_next(LexState *ls, FuncState *fs, BCPos pc) -{ - BCIns ins = fs->bcbase[pc].ins; - GCstr *name; - cTValue *o; - switch (bc_op(ins)) { - case BC_MOV: - name = gco2str(gcref(var_get(ls, fs, bc_d(ins)).name)); - break; - case BC_UGET: - name = gco2str(gcref(ls->vstack[fs->uvloc[bc_d(ins)].vidx].name)); - break; - case BC_GGET: - /* There's no inverse index (yet), so lookup the strings. */ - o = lj_tab_getstr(fs->kt, lj_str_newlit(ls->L, "pairs")); - if (o && tvhaskslot(o) && tvkslot(o) == bc_d(ins)) - return 1; - o = lj_tab_getstr(fs->kt, lj_str_newlit(ls->L, "next")); - if (o && tvhaskslot(o) && tvkslot(o) == bc_d(ins)) - return 1; - return 0; - default: - return 0; - } - return (name->len == 5 && !strcmp(strdata(name), "pairs")) || - (name->len == 4 && !strcmp(strdata(name), "next")); -} - -/* Parse 'for' iterator. */ -static void parse_for_iter(LexState *ls, GCstr *indexname) -{ - FuncState *fs = ls->fs; - ExpDesc e; - BCReg nvars = 0; - BCLine line; - BCReg base = fs->freereg + 3; - BCPos loop, loopend, exprpc = fs->pc; - FuncScope bl; - int isnext; - /* Hidden control variables. */ - var_new_fixed(ls, nvars++, VARNAME_FOR_GEN); - var_new_fixed(ls, nvars++, VARNAME_FOR_STATE); - var_new_fixed(ls, nvars++, VARNAME_FOR_CTL); - /* Visible variables returned from iterator. */ - var_new(ls, nvars++, indexname); - while (lex_opt(ls, ',')) - var_new(ls, nvars++, lex_str(ls)); - lex_check(ls, TK_in); - line = ls->linenumber; - assign_adjust(ls, 3, expr_list(ls, &e), &e); - bcreg_bump(fs, 3); /* The iterator needs another 3 slots (func + 2 args). */ - isnext = (nvars <= 5 && predict_next(ls, fs, exprpc)); - var_add(ls, 3); /* Hidden control variables. */ - lex_check(ls, TK_do); - loop = bcemit_AJ(fs, isnext ? BC_ISNEXT : BC_JMP, base, NO_JMP); - scope_begin(fs, &bl, 0); /* Scope for visible variables. */ - var_add(ls, nvars-3); - bcreg_reserve(fs, nvars-3); - parse_block(ls); - scope_end(fs); - /* Perform loop inversion. Loop control instructions are at the end. */ - jmp_patchins(fs, loop, fs->pc); - bcemit_ABC(fs, isnext ? BC_ITERN : BC_ITERC, base, nvars-3+1, 2+1); - loopend = bcemit_AJ(fs, BC_ITERL, base, NO_JMP); - fs->bcbase[loopend-1].line = line; /* Fix line for control ins. */ - fs->bcbase[loopend].line = line; - jmp_patchins(fs, loopend, loop+1); -} - -/* Parse 'for' statement. */ -static void parse_for(LexState *ls, BCLine line) -{ - FuncState *fs = ls->fs; - GCstr *varname; - FuncScope bl; - scope_begin(fs, &bl, 1); /* Breakable loop scope. */ - lj_lex_next(ls); /* Skip 'for'. */ - varname = lex_str(ls); /* Get first variable name. */ - if (ls->token == '=') - parse_for_num(ls, varname, line); - else if (ls->token == ',' || ls->token == TK_in) - parse_for_iter(ls, varname); - else - err_syntax(ls, LJ_ERR_XFOR); - lex_match(ls, TK_end, TK_for, line); - scope_end(fs); /* Resolve break list. */ -} - -/* Parse condition and 'then' block. */ -static BCPos parse_then(LexState *ls) -{ - BCPos condexit; - lj_lex_next(ls); /* Skip 'if' or 'elseif'. */ - condexit = expr_cond(ls); - lex_check(ls, TK_then); - parse_block(ls); - return condexit; -} - -/* Parse 'if' statement. */ -static void parse_if(LexState *ls, BCLine line) -{ - FuncState *fs = ls->fs; - BCPos flist; - BCPos escapelist = NO_JMP; - flist = parse_then(ls); - while (ls->token == TK_elseif) { /* Parse multiple 'elseif' blocks. */ - jmp_append(fs, &escapelist, bcemit_jmp(fs)); - jmp_tohere(fs, flist); - flist = parse_then(ls); - } - if (ls->token == TK_else) { /* Parse optional 'else' block. */ - jmp_append(fs, &escapelist, bcemit_jmp(fs)); - jmp_tohere(fs, flist); - lj_lex_next(ls); /* Skip 'else'. */ - parse_block(ls); - } else { - jmp_append(fs, &escapelist, flist); - } - jmp_tohere(fs, escapelist); - lex_match(ls, TK_end, TK_if, line); -} - -/* -- Parse statements ---------------------------------------------------- */ - -/* Parse a statement. Returns 1 if it must be the last one in a chunk. */ -static int parse_stmt(LexState *ls) -{ - BCLine line = ls->linenumber; - switch (ls->token) { - case TK_if: - parse_if(ls, line); - break; - case TK_while: - parse_while(ls, line); - break; - case TK_do: - lj_lex_next(ls); - parse_block(ls); - lex_match(ls, TK_end, TK_do, line); - break; - case TK_for: - parse_for(ls, line); - break; - case TK_repeat: - parse_repeat(ls, line); - break; - case TK_function: - parse_func(ls, line); - break; - case TK_local: - lj_lex_next(ls); - parse_local(ls); - break; - case TK_return: - parse_return(ls); - return 1; /* Must be last. */ - case TK_break: - lj_lex_next(ls); - parse_break(ls); - return 1; /* Must be last. */ -#ifdef LUAJIT_ENABLE_LUA52COMPAT - case ';': - lj_lex_next(ls); - break; -#endif - default: - parse_call_assign(ls); - break; - } - return 0; -} - -/* A chunk is a list of statements optionally separated by semicolons. */ -static void parse_chunk(LexState *ls) -{ - int islast = 0; - synlevel_begin(ls); - while (!islast && !endofblock(ls->token)) { - islast = parse_stmt(ls); - lex_opt(ls, ';'); - lua_assert(ls->fs->framesize >= ls->fs->freereg && - ls->fs->freereg >= ls->fs->nactvar); - ls->fs->freereg = ls->fs->nactvar; /* Free registers after each stmt. */ - } - synlevel_end(ls); -} - -/* Entry point of bytecode parser. */ -GCproto *lj_parse(LexState *ls) -{ - FuncState fs; - GCproto *pt; - lua_State *L = ls->L; -#ifdef LUAJIT_DISABLE_DEBUGINFO - ls->chunkname = lj_str_newlit(L, "="); -#else - ls->chunkname = lj_str_newz(L, ls->chunkarg); -#endif - setstrV(L, L->top, ls->chunkname); /* Anchor chunkname string. */ - incr_top(L); - ls->level = 0; - fs_init(ls, &fs); - fs.linedefined = 0; - fs.numparams = 0; - fs.bcbase = NULL; - fs.bclim = 0; - fs.flags |= PROTO_VARARG; /* Main chunk is always a vararg func. */ - bcemit_AD(&fs, BC_FUNCV, 0, 0); /* Placeholder. */ - lj_lex_next(ls); /* Read-ahead first token. */ - parse_chunk(ls); - if (ls->token != TK_eof) - err_token(ls, TK_eof); - pt = fs_finish(ls, ls->linenumber); - L->top--; /* Drop chunkname. */ - lua_assert(fs.prev == NULL); - lua_assert(ls->fs == NULL); - lua_assert(pt->sizeuv == 0); - return pt; -} - diff --git a/libraries/luajit-2.0/src/lj_parse.h b/libraries/luajit-2.0/src/lj_parse.h deleted file mode 100644 index 0916535..0000000 --- a/libraries/luajit-2.0/src/lj_parse.h +++ /dev/null @@ -1,18 +0,0 @@ -/* -** Lua parser (source code -> bytecode). -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_PARSE_H -#define _LJ_PARSE_H - -#include "lj_obj.h" -#include "lj_lex.h" - -LJ_FUNC GCproto *lj_parse(LexState *ls); -LJ_FUNC GCstr *lj_parse_keepstr(LexState *ls, const char *str, size_t l); -#if LJ_HASFFI -LJ_FUNC void lj_parse_keepcdata(LexState *ls, TValue *tv, GCcdata *cd); -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_record.c b/libraries/luajit-2.0/src/lj_record.c deleted file mode 100644 index 2c27a71..0000000 --- a/libraries/luajit-2.0/src/lj_record.c +++ /dev/null @@ -1,2228 +0,0 @@ -/* -** Trace recorder (bytecode -> SSA IR). -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_record_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_meta.h" -#include "lj_frame.h" -#include "lj_bc.h" -#include "lj_ff.h" -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_ircall.h" -#include "lj_iropt.h" -#include "lj_trace.h" -#include "lj_record.h" -#include "lj_ffrecord.h" -#include "lj_snap.h" -#include "lj_dispatch.h" -#include "lj_vm.h" - -/* Some local macros to save typing. Undef'd at the end. */ -#define IR(ref) (&J->cur.ir[(ref)]) - -/* Pass IR on to next optimization in chain (FOLD). */ -#define emitir(ot, a, b) (lj_ir_set(J, (ot), (a), (b)), lj_opt_fold(J)) - -/* Emit raw IR without passing through optimizations. */ -#define emitir_raw(ot, a, b) (lj_ir_set(J, (ot), (a), (b)), lj_ir_emit(J)) - -/* -- Sanity checks ------------------------------------------------------- */ - -#ifdef LUA_USE_ASSERT -/* Sanity check the whole IR -- sloooow. */ -static void rec_check_ir(jit_State *J) -{ - IRRef i, nins = J->cur.nins, nk = J->cur.nk; - lua_assert(nk <= REF_BIAS && nins >= REF_BIAS && nins < 65536); - for (i = nins-1; i >= nk; i--) { - IRIns *ir = IR(i); - uint32_t mode = lj_ir_mode[ir->o]; - IRRef op1 = ir->op1; - IRRef op2 = ir->op2; - switch (irm_op1(mode)) { - case IRMnone: lua_assert(op1 == 0); break; - case IRMref: lua_assert(op1 >= nk); - lua_assert(i >= REF_BIAS ? op1 < i : op1 > i); break; - case IRMlit: break; - case IRMcst: lua_assert(i < REF_BIAS); continue; - } - switch (irm_op2(mode)) { - case IRMnone: lua_assert(op2 == 0); break; - case IRMref: lua_assert(op2 >= nk); - lua_assert(i >= REF_BIAS ? op2 < i : op2 > i); break; - case IRMlit: break; - case IRMcst: lua_assert(0); break; - } - if (ir->prev) { - lua_assert(ir->prev >= nk); - lua_assert(i >= REF_BIAS ? ir->prev < i : ir->prev > i); - lua_assert(ir->o == IR_NOP || IR(ir->prev)->o == ir->o); - } - } -} - -/* Compare stack slots and frames of the recorder and the VM. */ -static void rec_check_slots(jit_State *J) -{ - BCReg s, nslots = J->baseslot + J->maxslot; - int32_t depth = 0; - cTValue *base = J->L->base - J->baseslot; - lua_assert(J->baseslot >= 1 && J->baseslot < LJ_MAX_JSLOTS); - lua_assert(J->baseslot == 1 || (J->slot[J->baseslot-1] & TREF_FRAME)); - lua_assert(nslots < LJ_MAX_JSLOTS); - for (s = 0; s < nslots; s++) { - TRef tr = J->slot[s]; - if (tr) { - cTValue *tv = &base[s]; - IRRef ref = tref_ref(tr); - IRIns *ir; - lua_assert(ref >= J->cur.nk && ref < J->cur.nins); - ir = IR(ref); - lua_assert(irt_t(ir->t) == tref_t(tr)); - if (s == 0) { - lua_assert(tref_isfunc(tr)); - } else if ((tr & TREF_FRAME)) { - GCfunc *fn = gco2func(frame_gc(tv)); - BCReg delta = (BCReg)(tv - frame_prev(tv)); - lua_assert(tref_isfunc(tr)); - if (tref_isk(tr)) lua_assert(fn == ir_kfunc(ir)); - lua_assert(s > delta ? (J->slot[s-delta] & TREF_FRAME) : (s == delta)); - depth++; - } else if ((tr & TREF_CONT)) { - lua_assert(ir_kptr(ir) == gcrefp(tv->gcr, void)); - lua_assert((J->slot[s+1] & TREF_FRAME)); - depth++; - } else { - if (tvisnumber(tv)) - lua_assert(tref_isnumber(tr)); /* Could be IRT_INT etc., too. */ - else - lua_assert(itype2irt(tv) == tref_type(tr)); - if (tref_isk(tr)) { /* Compare constants. */ - TValue tvk; - lj_ir_kvalue(J->L, &tvk, ir); - if (!(tvisnum(&tvk) && tvisnan(&tvk))) - lua_assert(lj_obj_equal(tv, &tvk)); - else - lua_assert(tvisnum(tv) && tvisnan(tv)); - } - } - } - } - lua_assert(J->framedepth == depth); -} -#endif - -/* -- Type handling and specialization ------------------------------------ */ - -/* Note: these functions return tagged references (TRef). */ - -/* Specialize a slot to a specific type. Note: slot can be negative! */ -static TRef sloadt(jit_State *J, int32_t slot, IRType t, int mode) -{ - /* Caller may set IRT_GUARD in t. */ - TRef ref = emitir_raw(IRT(IR_SLOAD, t), (int32_t)J->baseslot+slot, mode); - J->base[slot] = ref; - return ref; -} - -/* Specialize a slot to the runtime type. Note: slot can be negative! */ -static TRef sload(jit_State *J, int32_t slot) -{ - IRType t = itype2irt(&J->L->base[slot]); - TRef ref = emitir_raw(IRTG(IR_SLOAD, t), (int32_t)J->baseslot+slot, - IRSLOAD_TYPECHECK); - if (irtype_ispri(t)) ref = TREF_PRI(t); /* Canonicalize primitive refs. */ - J->base[slot] = ref; - return ref; -} - -/* Get TRef from slot. Load slot and specialize if not done already. */ -#define getslot(J, s) (J->base[(s)] ? J->base[(s)] : sload(J, (int32_t)(s))) - -/* Get TRef for current function. */ -static TRef getcurrf(jit_State *J) -{ - if (J->base[-1]) - return J->base[-1]; - lua_assert(J->baseslot == 1); - return sloadt(J, -1, IRT_FUNC, IRSLOAD_READONLY); -} - -/* Compare for raw object equality. -** Returns 0 if the objects are the same. -** Returns 1 if they are different, but the same type. -** Returns 2 for two different types. -** Comparisons between primitives always return 1 -- no caller cares about it. -*/ -int lj_record_objcmp(jit_State *J, TRef a, TRef b, cTValue *av, cTValue *bv) -{ - int diff = !lj_obj_equal(av, bv); - if (!tref_isk2(a, b)) { /* Shortcut, also handles primitives. */ - IRType ta = tref_isinteger(a) ? IRT_INT : tref_type(a); - IRType tb = tref_isinteger(b) ? IRT_INT : tref_type(b); - if (ta != tb) { - /* Widen mixed number/int comparisons to number/number comparison. */ - if (ta == IRT_INT && tb == IRT_NUM) { - a = emitir(IRTN(IR_CONV), a, IRCONV_NUM_INT); - ta = IRT_NUM; - } else if (ta == IRT_NUM && tb == IRT_INT) { - b = emitir(IRTN(IR_CONV), b, IRCONV_NUM_INT); - } else { - return 2; /* Two different types are never equal. */ - } - } - emitir(IRTG(diff ? IR_NE : IR_EQ, ta), a, b); - } - return diff; -} - -/* -- Record loop ops ----------------------------------------------------- */ - -/* Loop event. */ -typedef enum { - LOOPEV_LEAVE, /* Loop is left or not entered. */ - LOOPEV_ENTERLO, /* Loop is entered with a low iteration count left. */ - LOOPEV_ENTER /* Loop is entered. */ -} LoopEvent; - -/* Canonicalize slots: convert integers to numbers. */ -static void canonicalize_slots(jit_State *J) -{ - BCReg s; - if (LJ_DUALNUM) return; - for (s = J->baseslot+J->maxslot-1; s >= 1; s--) { - TRef tr = J->slot[s]; - if (tref_isinteger(tr)) { - IRIns *ir = IR(tref_ref(tr)); - if (!(ir->o == IR_SLOAD && (ir->op2 & IRSLOAD_READONLY))) - J->slot[s] = emitir(IRTN(IR_CONV), tr, IRCONV_NUM_INT); - } - } -} - -/* Stop recording. */ -static void rec_stop(jit_State *J, TraceLink linktype, TraceNo lnk) -{ - lj_trace_end(J); - J->cur.linktype = (uint8_t)linktype; - J->cur.link = (uint16_t)lnk; - /* Looping back at the same stack level? */ - if (lnk == J->cur.traceno && J->framedepth + J->retdepth == 0) { - if ((J->flags & JIT_F_OPT_LOOP)) /* Shall we try to create a loop? */ - goto nocanon; /* Do not canonicalize or we lose the narrowing. */ - if (J->cur.root) /* Otherwise ensure we always link to the root trace. */ - J->cur.link = J->cur.root; - } - canonicalize_slots(J); -nocanon: - /* Note: all loop ops must set J->pc to the following instruction! */ - lj_snap_add(J); /* Add loop snapshot. */ - J->needsnap = 0; - J->mergesnap = 1; /* In case recording continues. */ -} - -/* Search bytecode backwards for a int/num constant slot initializer. */ -static TRef find_kinit(jit_State *J, const BCIns *endpc, BCReg slot, IRType t) -{ - /* This algorithm is rather simplistic and assumes quite a bit about - ** how the bytecode is generated. It works fine for FORI initializers, - ** but it won't necessarily work in other cases (e.g. iterator arguments). - ** It doesn't do anything fancy, either (like backpropagating MOVs). - */ - const BCIns *pc, *startpc = proto_bc(J->pt); - for (pc = endpc-1; pc > startpc; pc--) { - BCIns ins = *pc; - BCOp op = bc_op(ins); - /* First try to find the last instruction that stores to this slot. */ - if (bcmode_a(op) == BCMbase && bc_a(ins) <= slot) { - return 0; /* Multiple results, e.g. from a CALL or KNIL. */ - } else if (bcmode_a(op) == BCMdst && bc_a(ins) == slot) { - if (op == BC_KSHORT || op == BC_KNUM) { /* Found const. initializer. */ - /* Now try to verify there's no forward jump across it. */ - const BCIns *kpc = pc; - for (; pc > startpc; pc--) - if (bc_op(*pc) == BC_JMP) { - const BCIns *target = pc+bc_j(*pc)+1; - if (target > kpc && target <= endpc) - return 0; /* Conditional assignment. */ - } - if (op == BC_KSHORT) { - int32_t k = (int32_t)(int16_t)bc_d(ins); - return t == IRT_INT ? lj_ir_kint(J, k) : lj_ir_knum(J, (lua_Number)k); - } else { - cTValue *tv = proto_knumtv(J->pt, bc_d(ins)); - if (t == IRT_INT) { - int32_t k = numberVint(tv); - if (tvisint(tv) || numV(tv) == (lua_Number)k) /* -0 is ok here. */ - return lj_ir_kint(J, k); - return 0; /* Type mismatch. */ - } else { - return lj_ir_knum(J, numberVnum(tv)); - } - } - } - return 0; /* Non-constant initializer. */ - } - } - return 0; /* No assignment to this slot found? */ -} - -/* Load and optionally convert a FORI argument from a slot. */ -static TRef fori_load(jit_State *J, BCReg slot, IRType t, int mode) -{ - int conv = (tvisint(&J->L->base[slot]) != (t==IRT_INT)) ? IRSLOAD_CONVERT : 0; - return sloadt(J, (int32_t)slot, - t + (((mode & IRSLOAD_TYPECHECK) || - (conv && t == IRT_INT && !(mode >> 16))) ? - IRT_GUARD : 0), - mode + conv); -} - -/* Peek before FORI to find a const initializer. Otherwise load from slot. */ -static TRef fori_arg(jit_State *J, const BCIns *fori, BCReg slot, - IRType t, int mode) -{ - TRef tr = J->base[slot]; - if (!tr) { - tr = find_kinit(J, fori, slot, t); - if (!tr) - tr = fori_load(J, slot, t, mode); - } - return tr; -} - -/* Return the direction of the FOR loop iterator. -** It's important to exactly reproduce the semantics of the interpreter. -*/ -static int rec_for_direction(cTValue *o) -{ - return (tvisint(o) ? intV(o) : (int32_t)o->u32.hi) >= 0; -} - -/* Simulate the runtime behavior of the FOR loop iterator. */ -static LoopEvent rec_for_iter(IROp *op, cTValue *o, int isforl) -{ - lua_Number stopv = numberVnum(&o[FORL_STOP]); - lua_Number idxv = numberVnum(&o[FORL_IDX]); - lua_Number stepv = numberVnum(&o[FORL_STEP]); - if (isforl) - idxv += stepv; - if (rec_for_direction(&o[FORL_STEP])) { - if (idxv <= stopv) { - *op = IR_LE; - return idxv + 2*stepv > stopv ? LOOPEV_ENTERLO : LOOPEV_ENTER; - } - *op = IR_GT; return LOOPEV_LEAVE; - } else { - if (stopv <= idxv) { - *op = IR_GE; - return idxv + 2*stepv < stopv ? LOOPEV_ENTERLO : LOOPEV_ENTER; - } - *op = IR_LT; return LOOPEV_LEAVE; - } -} - -/* Record checks for FOR loop overflow and step direction. */ -static void rec_for_check(jit_State *J, IRType t, int dir, - TRef stop, TRef step, int init) -{ - if (!tref_isk(step)) { - /* Non-constant step: need a guard for the direction. */ - TRef zero = (t == IRT_INT) ? lj_ir_kint(J, 0) : lj_ir_knum_zero(J); - emitir(IRTG(dir ? IR_GE : IR_LT, t), step, zero); - /* Add hoistable overflow checks for a narrowed FORL index. */ - if (init && t == IRT_INT) { - if (tref_isk(stop)) { - /* Constant stop: optimize check away or to a range check for step. */ - int32_t k = IR(tref_ref(stop))->i; - if (dir) { - if (k > 0) - emitir(IRTGI(IR_LE), step, lj_ir_kint(J, (int32_t)0x7fffffff-k)); - } else { - if (k < 0) - emitir(IRTGI(IR_GE), step, lj_ir_kint(J, (int32_t)0x80000000-k)); - } - } else { - /* Stop+step variable: need full overflow check. */ - TRef tr = emitir(IRTGI(IR_ADDOV), step, stop); - emitir(IRTI(IR_USE), tr, 0); /* ADDOV is weak. Avoid dead result. */ - } - } - } else if (init && t == IRT_INT && !tref_isk(stop)) { - /* Constant step: optimize overflow check to a range check for stop. */ - int32_t k = IR(tref_ref(step))->i; - k = (int32_t)(dir ? 0x7fffffff : 0x80000000) - k; - emitir(IRTGI(dir ? IR_LE : IR_GE), stop, lj_ir_kint(J, k)); - } -} - -/* Record a FORL instruction. */ -static void rec_for_loop(jit_State *J, const BCIns *fori, ScEvEntry *scev, - int init) -{ - BCReg ra = bc_a(*fori); - cTValue *tv = &J->L->base[ra]; - TRef idx = J->base[ra+FORL_IDX]; - IRType t = idx ? tref_type(idx) : - (init || LJ_DUALNUM) ? lj_opt_narrow_forl(J, tv) : IRT_NUM; - int mode = IRSLOAD_INHERIT + - ((!LJ_DUALNUM || tvisint(tv) == (t == IRT_INT)) ? IRSLOAD_READONLY : 0); - TRef stop = fori_arg(J, fori, ra+FORL_STOP, t, mode); - TRef step = fori_arg(J, fori, ra+FORL_STEP, t, mode); - int tc, dir = rec_for_direction(&tv[FORL_STEP]); - lua_assert(bc_op(*fori) == BC_FORI || bc_op(*fori) == BC_JFORI); - scev->t.irt = t; - scev->dir = dir; - scev->stop = tref_ref(stop); - scev->step = tref_ref(step); - rec_for_check(J, t, dir, stop, step, init); - scev->start = tref_ref(find_kinit(J, fori, ra+FORL_IDX, IRT_INT)); - tc = (LJ_DUALNUM && - !(scev->start && irref_isk(scev->stop) && irref_isk(scev->step) && - tvisint(&tv[FORL_IDX]) == (t == IRT_INT))) ? - IRSLOAD_TYPECHECK : 0; - if (tc) { - J->base[ra+FORL_STOP] = stop; - J->base[ra+FORL_STEP] = step; - } - if (!idx) - idx = fori_load(J, ra+FORL_IDX, t, - IRSLOAD_INHERIT + tc + (J->scev.start << 16)); - if (!init) - J->base[ra+FORL_IDX] = idx = emitir(IRT(IR_ADD, t), idx, step); - J->base[ra+FORL_EXT] = idx; - scev->idx = tref_ref(idx); - J->maxslot = ra+FORL_EXT+1; -} - -/* Record FORL/JFORL or FORI/JFORI. */ -static LoopEvent rec_for(jit_State *J, const BCIns *fori, int isforl) -{ - BCReg ra = bc_a(*fori); - TValue *tv = &J->L->base[ra]; - TRef *tr = &J->base[ra]; - IROp op; - LoopEvent ev; - TRef stop; - IRType t; - if (isforl) { /* Handle FORL/JFORL opcodes. */ - TRef idx = tr[FORL_IDX]; - if (tref_ref(idx) == J->scev.idx) { - t = J->scev.t.irt; - stop = J->scev.stop; - idx = emitir(IRT(IR_ADD, t), idx, J->scev.step); - tr[FORL_EXT] = tr[FORL_IDX] = idx; - } else { - ScEvEntry scev; - rec_for_loop(J, fori, &scev, 0); - t = scev.t.irt; - stop = scev.stop; - } - } else { /* Handle FORI/JFORI opcodes. */ - BCReg i; - lj_meta_for(J->L, tv); - t = (LJ_DUALNUM || tref_isint(tr[FORL_IDX])) ? lj_opt_narrow_forl(J, tv) : - IRT_NUM; - for (i = FORL_IDX; i <= FORL_STEP; i++) { - if (!tr[i]) sload(J, ra+i); - lua_assert(tref_isnumber_str(tr[i])); - if (tref_isstr(tr[i])) - tr[i] = emitir(IRTG(IR_STRTO, IRT_NUM), tr[i], 0); - if (t == IRT_INT) { - if (!tref_isinteger(tr[i])) - tr[i] = emitir(IRTGI(IR_CONV), tr[i], IRCONV_INT_NUM|IRCONV_CHECK); - } else { - if (!tref_isnum(tr[i])) - tr[i] = emitir(IRTN(IR_CONV), tr[i], IRCONV_NUM_INT); - } - } - tr[FORL_EXT] = tr[FORL_IDX]; - stop = tr[FORL_STOP]; - rec_for_check(J, t, rec_for_direction(&tv[FORL_STEP]), - stop, tr[FORL_STEP], 1); - } - - ev = rec_for_iter(&op, tv, isforl); - if (ev == LOOPEV_LEAVE) { - J->maxslot = ra+FORL_EXT+1; - J->pc = fori+1; - } else { - J->maxslot = ra; - J->pc = fori+bc_j(*fori)+1; - } - lj_snap_add(J); - - emitir(IRTG(op, t), tr[FORL_IDX], stop); - - if (ev == LOOPEV_LEAVE) { - J->maxslot = ra; - J->pc = fori+bc_j(*fori)+1; - } else { - J->maxslot = ra+FORL_EXT+1; - J->pc = fori+1; - } - J->needsnap = 1; - return ev; -} - -/* Record ITERL/JITERL. */ -static LoopEvent rec_iterl(jit_State *J, const BCIns iterins) -{ - BCReg ra = bc_a(iterins); - lua_assert(J->base[ra] != 0); - if (!tref_isnil(J->base[ra])) { /* Looping back? */ - J->base[ra-1] = J->base[ra]; /* Copy result of ITERC to control var. */ - J->maxslot = ra-1+bc_b(J->pc[-1]); - J->pc += bc_j(iterins)+1; - return LOOPEV_ENTER; - } else { - J->maxslot = ra-3; - J->pc++; - return LOOPEV_LEAVE; - } -} - -/* Record LOOP/JLOOP. Now, that was easy. */ -static LoopEvent rec_loop(jit_State *J, BCReg ra) -{ - if (ra < J->maxslot) J->maxslot = ra; - J->pc++; - return LOOPEV_ENTER; -} - -/* Check if a loop repeatedly failed to trace because it didn't loop back. */ -static int innerloopleft(jit_State *J, const BCIns *pc) -{ - ptrdiff_t i; - for (i = 0; i < PENALTY_SLOTS; i++) - if (mref(J->penalty[i].pc, const BCIns) == pc) { - if ((J->penalty[i].reason == LJ_TRERR_LLEAVE || - J->penalty[i].reason == LJ_TRERR_LINNER) && - J->penalty[i].val >= 2*PENALTY_MIN) - return 1; - break; - } - return 0; -} - -/* Handle the case when an interpreted loop op is hit. */ -static void rec_loop_interp(jit_State *J, const BCIns *pc, LoopEvent ev) -{ - if (J->parent == 0) { - if (pc == J->startpc && J->framedepth + J->retdepth == 0) { - /* Same loop? */ - if (ev == LOOPEV_LEAVE) /* Must loop back to form a root trace. */ - lj_trace_err(J, LJ_TRERR_LLEAVE); - rec_stop(J, LJ_TRLINK_LOOP, J->cur.traceno); /* Looping root trace. */ - } else if (ev != LOOPEV_LEAVE) { /* Entering inner loop? */ - /* It's usually better to abort here and wait until the inner loop - ** is traced. But if the inner loop repeatedly didn't loop back, - ** this indicates a low trip count. In this case try unrolling - ** an inner loop even in a root trace. But it's better to be a bit - ** more conservative here and only do it for very short loops. - */ - if (!innerloopleft(J, pc)) - lj_trace_err(J, LJ_TRERR_LINNER); /* Root trace hit an inner loop. */ - if ((ev != LOOPEV_ENTERLO && - J->loopref && J->cur.nins - J->loopref > 24) || --J->loopunroll < 0) - lj_trace_err(J, LJ_TRERR_LUNROLL); /* Limit loop unrolling. */ - J->loopref = J->cur.nins; - } - } else if (ev != LOOPEV_LEAVE) { /* Side trace enters an inner loop. */ - J->loopref = J->cur.nins; - if (--J->loopunroll < 0) - lj_trace_err(J, LJ_TRERR_LUNROLL); /* Limit loop unrolling. */ - } /* Side trace continues across a loop that's left or not entered. */ -} - -/* Handle the case when an already compiled loop op is hit. */ -static void rec_loop_jit(jit_State *J, TraceNo lnk, LoopEvent ev) -{ - if (J->parent == 0) { /* Root trace hit an inner loop. */ - /* Better let the inner loop spawn a side trace back here. */ - lj_trace_err(J, LJ_TRERR_LINNER); - } else if (ev != LOOPEV_LEAVE) { /* Side trace enters a compiled loop. */ - J->instunroll = 0; /* Cannot continue across a compiled loop op. */ - if (J->pc == J->startpc && J->framedepth + J->retdepth == 0) - rec_stop(J, LJ_TRLINK_LOOP, J->cur.traceno); /* Form an extra loop. */ - else - rec_stop(J, LJ_TRLINK_ROOT, lnk); /* Link to the loop. */ - } /* Side trace continues across a loop that's left or not entered. */ -} - -/* -- Record calls and returns -------------------------------------------- */ - -/* Specialize to the runtime value of the called function or its prototype. */ -static TRef rec_call_specialize(jit_State *J, GCfunc *fn, TRef tr) -{ - TRef kfunc; - if (isluafunc(fn)) { - GCproto *pt = funcproto(fn); - /* 3 or more closures created? Probably not a monomorphic function. */ - if (pt->flags >= 3*PROTO_CLCOUNT) { /* Specialize to prototype instead. */ - TRef trpt = emitir(IRT(IR_FLOAD, IRT_P32), tr, IRFL_FUNC_PC); - emitir(IRTG(IR_EQ, IRT_P32), trpt, lj_ir_kptr(J, proto_bc(pt))); - (void)lj_ir_kgc(J, obj2gco(pt), IRT_PROTO); /* Prevent GC of proto. */ - return tr; - } - } - /* Otherwise specialize to the function (closure) value itself. */ - kfunc = lj_ir_kfunc(J, fn); - emitir(IRTG(IR_EQ, IRT_FUNC), tr, kfunc); - return kfunc; -} - -/* Record call setup. */ -static void rec_call_setup(jit_State *J, BCReg func, ptrdiff_t nargs) -{ - RecordIndex ix; - TValue *functv = &J->L->base[func]; - TRef *fbase = &J->base[func]; - ptrdiff_t i; - for (i = 0; i <= nargs; i++) - (void)getslot(J, func+i); /* Ensure func and all args have a reference. */ - if (!tref_isfunc(fbase[0])) { /* Resolve __call metamethod. */ - ix.tab = fbase[0]; - copyTV(J->L, &ix.tabv, functv); - if (!lj_record_mm_lookup(J, &ix, MM_call) || !tref_isfunc(ix.mobj)) - lj_trace_err(J, LJ_TRERR_NOMM); - for (i = ++nargs; i > 0; i--) /* Shift arguments up. */ - fbase[i] = fbase[i-1]; - fbase[0] = ix.mobj; /* Replace function. */ - functv = &ix.mobjv; - } - fbase[0] = TREF_FRAME | rec_call_specialize(J, funcV(functv), fbase[0]); - J->maxslot = (BCReg)nargs; -} - -/* Record call. */ -void lj_record_call(jit_State *J, BCReg func, ptrdiff_t nargs) -{ - rec_call_setup(J, func, nargs); - /* Bump frame. */ - J->framedepth++; - J->base += func+1; - J->baseslot += func+1; -} - -/* Record tail call. */ -void lj_record_tailcall(jit_State *J, BCReg func, ptrdiff_t nargs) -{ - rec_call_setup(J, func, nargs); - if (frame_isvarg(J->L->base - 1)) { - BCReg cbase = (BCReg)frame_delta(J->L->base - 1); - if (--J->framedepth < 0) - lj_trace_err(J, LJ_TRERR_NYIRETL); - J->baseslot -= (BCReg)cbase; - J->base -= cbase; - func += cbase; - } - /* Move func + args down. */ - memmove(&J->base[-1], &J->base[func], sizeof(TRef)*(J->maxslot+1)); - /* Note: the new TREF_FRAME is now at J->base[-1] (even for slot #0). */ - /* Tailcalls can form a loop, so count towards the loop unroll limit. */ - if (++J->tailcalled > J->loopunroll) - lj_trace_err(J, LJ_TRERR_LUNROLL); -} - -/* Check unroll limits for down-recursion. */ -static int check_downrec_unroll(jit_State *J, GCproto *pt) -{ - IRRef ptref; - for (ptref = J->chain[IR_KGC]; ptref; ptref = IR(ptref)->prev) - if (ir_kgc(IR(ptref)) == obj2gco(pt)) { - int count = 0; - IRRef ref; - for (ref = J->chain[IR_RETF]; ref; ref = IR(ref)->prev) - if (IR(ref)->op1 == ptref) - count++; - if (count) { - if (J->pc == J->startpc) { - if (count + J->tailcalled > J->param[JIT_P_recunroll]) - return 1; - } else { - lj_trace_err(J, LJ_TRERR_DOWNREC); - } - } - } - return 0; -} - -/* Record return. */ -void lj_record_ret(jit_State *J, BCReg rbase, ptrdiff_t gotresults) -{ - TValue *frame = J->L->base - 1; - ptrdiff_t i; - for (i = 0; i < gotresults; i++) - (void)getslot(J, rbase+i); /* Ensure all results have a reference. */ - while (frame_ispcall(frame)) { /* Immediately resolve pcall() returns. */ - BCReg cbase = (BCReg)frame_delta(frame); - if (--J->framedepth < 0) - lj_trace_err(J, LJ_TRERR_NYIRETL); - lua_assert(J->baseslot > 1); - gotresults++; - rbase += cbase; - J->baseslot -= (BCReg)cbase; - J->base -= cbase; - J->base[--rbase] = TREF_TRUE; /* Prepend true to results. */ - frame = frame_prevd(frame); - } - /* Return to lower frame via interpreter for unhandled cases. */ - if (J->framedepth == 0 && J->pt && bc_isret(bc_op(*J->pc)) && - (!frame_islua(frame) || - (J->parent == 0 && !bc_isret(bc_op(J->cur.startins))))) { - /* NYI: specialize to frame type and return directly, not via RET*. */ - for (i = -1; i < (ptrdiff_t)rbase; i++) - J->base[i] = 0; /* Purge dead slots. */ - J->maxslot = rbase + (BCReg)gotresults; - rec_stop(J, LJ_TRLINK_RETURN, 0); /* Return to interpreter. */ - return; - } - if (frame_isvarg(frame)) { - BCReg cbase = (BCReg)frame_delta(frame); - if (--J->framedepth < 0) /* NYI: return of vararg func to lower frame. */ - lj_trace_err(J, LJ_TRERR_NYIRETL); - lua_assert(J->baseslot > 1); - rbase += cbase; - J->baseslot -= (BCReg)cbase; - J->base -= cbase; - frame = frame_prevd(frame); - } - if (frame_islua(frame)) { /* Return to Lua frame. */ - BCIns callins = *(frame_pc(frame)-1); - ptrdiff_t nresults = bc_b(callins) ? (ptrdiff_t)bc_b(callins)-1 :gotresults; - BCReg cbase = bc_a(callins); - GCproto *pt = funcproto(frame_func(frame - (cbase+1))); - if (J->framedepth == 0 && J->pt && frame == J->L->base - 1) { - if (check_downrec_unroll(J, pt)) { - J->maxslot = (BCReg)(rbase + gotresults); - lj_snap_purge(J); - rec_stop(J, LJ_TRLINK_DOWNREC, J->cur.traceno); /* Down-recursion. */ - return; - } - lj_snap_add(J); - } - for (i = 0; i < nresults; i++) /* Adjust results. */ - J->base[i-1] = i < gotresults ? J->base[rbase+i] : TREF_NIL; - J->maxslot = cbase+(BCReg)nresults; - if (J->framedepth > 0) { /* Return to a frame that is part of the trace. */ - J->framedepth--; - lua_assert(J->baseslot > cbase+1); - J->baseslot -= cbase+1; - J->base -= cbase+1; - } else if (J->parent == 0 && !bc_isret(bc_op(J->cur.startins))) { - /* Return to lower frame would leave the loop in a root trace. */ - lj_trace_err(J, LJ_TRERR_LLEAVE); - } else { /* Return to lower frame. Guard for the target we return to. */ - TRef trpt = lj_ir_kgc(J, obj2gco(pt), IRT_PROTO); - TRef trpc = lj_ir_kptr(J, (void *)frame_pc(frame)); - emitir(IRTG(IR_RETF, IRT_P32), trpt, trpc); - J->retdepth++; - J->needsnap = 1; - lua_assert(J->baseslot == 1); - /* Shift result slots up and clear the slots of the new frame below. */ - memmove(J->base + cbase, J->base-1, sizeof(TRef)*nresults); - memset(J->base-1, 0, sizeof(TRef)*(cbase+1)); - } - } else if (frame_iscont(frame)) { /* Return to continuation frame. */ - ASMFunction cont = frame_contf(frame); - BCReg cbase = (BCReg)frame_delta(frame); - if ((J->framedepth -= 2) < 0) - lj_trace_err(J, LJ_TRERR_NYIRETL); - J->baseslot -= (BCReg)cbase; - J->base -= cbase; - J->maxslot = cbase-2; - if (cont == lj_cont_ra) { - /* Copy result to destination slot. */ - BCReg dst = bc_a(*(frame_contpc(frame)-1)); - J->base[dst] = gotresults ? J->base[cbase+rbase] : TREF_NIL; - if (dst >= J->maxslot) J->maxslot = dst+1; - } else if (cont == lj_cont_nop) { - /* Nothing to do here. */ - } else if (cont == lj_cont_cat) { - lua_assert(0); - } else { - /* Result type already specialized. */ - lua_assert(cont == lj_cont_condf || cont == lj_cont_condt); - } - } else { - lj_trace_err(J, LJ_TRERR_NYIRETL); /* NYI: handle return to C frame. */ - } - lua_assert(J->baseslot >= 1); -} - -/* -- Metamethod handling ------------------------------------------------- */ - -/* Prepare to record call to metamethod. */ -static BCReg rec_mm_prep(jit_State *J, ASMFunction cont) -{ - BCReg s, top = curr_proto(J->L)->framesize; - TRef trcont; - setcont(&J->L->base[top], cont); -#if LJ_64 - trcont = lj_ir_kptr(J, (void *)((int64_t)cont - (int64_t)lj_vm_asm_begin)); -#else - trcont = lj_ir_kptr(J, (void *)cont); -#endif - J->base[top] = trcont | TREF_CONT; - J->framedepth++; - for (s = J->maxslot; s < top; s++) - J->base[s] = 0; /* Clear frame gap to avoid resurrecting previous refs. */ - return top+1; -} - -/* Record metamethod lookup. */ -int lj_record_mm_lookup(jit_State *J, RecordIndex *ix, MMS mm) -{ - RecordIndex mix; - GCtab *mt; - if (tref_istab(ix->tab)) { - mt = tabref(tabV(&ix->tabv)->metatable); - mix.tab = emitir(IRT(IR_FLOAD, IRT_TAB), ix->tab, IRFL_TAB_META); - } else if (tref_isudata(ix->tab)) { - int udtype = udataV(&ix->tabv)->udtype; - mt = tabref(udataV(&ix->tabv)->metatable); - /* The metatables of special userdata objects are treated as immutable. */ - if (udtype != UDTYPE_USERDATA) { - cTValue *mo; - if (LJ_HASFFI && udtype == UDTYPE_FFI_CLIB) { - /* Specialize to the C library namespace object. */ - emitir(IRTG(IR_EQ, IRT_P32), ix->tab, lj_ir_kptr(J, udataV(&ix->tabv))); - } else { - /* Specialize to the type of userdata. */ - TRef tr = emitir(IRT(IR_FLOAD, IRT_U8), ix->tab, IRFL_UDATA_UDTYPE); - emitir(IRTGI(IR_EQ), tr, lj_ir_kint(J, udtype)); - } - immutable_mt: - mo = lj_tab_getstr(mt, mmname_str(J2G(J), mm)); - if (!mo || tvisnil(mo)) - return 0; /* No metamethod. */ - /* Treat metamethod or index table as immutable, too. */ - if (!(tvisfunc(mo) || tvistab(mo))) - lj_trace_err(J, LJ_TRERR_BADTYPE); - copyTV(J->L, &ix->mobjv, mo); - ix->mobj = lj_ir_kgc(J, gcV(mo), tvisfunc(mo) ? IRT_FUNC : IRT_TAB); - ix->mtv = mt; - ix->mt = TREF_NIL; /* Dummy value for comparison semantics. */ - return 1; /* Got metamethod or index table. */ - } - mix.tab = emitir(IRT(IR_FLOAD, IRT_TAB), ix->tab, IRFL_UDATA_META); - } else { - /* Specialize to base metatable. Must flush mcode in lua_setmetatable(). */ - mt = tabref(basemt_obj(J2G(J), &ix->tabv)); - if (mt == NULL) { - ix->mt = TREF_NIL; - return 0; /* No metamethod. */ - } - /* The cdata metatable is treated as immutable. */ - if (LJ_HASFFI && tref_iscdata(ix->tab)) goto immutable_mt; - ix->mt = mix.tab = lj_ir_ktab(J, mt); - goto nocheck; - } - ix->mt = mt ? mix.tab : TREF_NIL; - emitir(IRTG(mt ? IR_NE : IR_EQ, IRT_TAB), mix.tab, lj_ir_knull(J, IRT_TAB)); -nocheck: - if (mt) { - GCstr *mmstr = mmname_str(J2G(J), mm); - cTValue *mo = lj_tab_getstr(mt, mmstr); - if (mo && !tvisnil(mo)) - copyTV(J->L, &ix->mobjv, mo); - ix->mtv = mt; - settabV(J->L, &mix.tabv, mt); - setstrV(J->L, &mix.keyv, mmstr); - mix.key = lj_ir_kstr(J, mmstr); - mix.val = 0; - mix.idxchain = 0; - ix->mobj = lj_record_idx(J, &mix); - return !tref_isnil(ix->mobj); /* 1 if metamethod found, 0 if not. */ - } - return 0; /* No metamethod. */ -} - -/* Record call to arithmetic metamethod. */ -static TRef rec_mm_arith(jit_State *J, RecordIndex *ix, MMS mm) -{ - /* Set up metamethod call first to save ix->tab and ix->tabv. */ - BCReg func = rec_mm_prep(J, lj_cont_ra); - TRef *base = J->base + func; - TValue *basev = J->L->base + func; - base[1] = ix->tab; base[2] = ix->key; - copyTV(J->L, basev+1, &ix->tabv); - copyTV(J->L, basev+2, &ix->keyv); - if (!lj_record_mm_lookup(J, ix, mm)) { /* Lookup mm on 1st operand. */ - if (mm != MM_unm) { - ix->tab = ix->key; - copyTV(J->L, &ix->tabv, &ix->keyv); - if (lj_record_mm_lookup(J, ix, mm)) /* Lookup mm on 2nd operand. */ - goto ok; - } - lj_trace_err(J, LJ_TRERR_NOMM); - } -ok: - base[0] = ix->mobj; - copyTV(J->L, basev+0, &ix->mobjv); - lj_record_call(J, func, 2); - return 0; /* No result yet. */ -} - -/* Record call to __len metamethod. */ -static TRef rec_mm_len(jit_State *J, TRef tr, TValue *tv) -{ - RecordIndex ix; - ix.tab = tr; - copyTV(J->L, &ix.tabv, tv); - if (lj_record_mm_lookup(J, &ix, MM_len)) { - BCReg func = rec_mm_prep(J, lj_cont_ra); - TRef *base = J->base + func; - TValue *basev = J->L->base + func; - base[0] = ix.mobj; copyTV(J->L, basev+0, &ix.mobjv); - base[1] = tr; copyTV(J->L, basev+1, tv); -#ifdef LUAJIT_ENABLE_LUA52COMPAT - base[2] = tr; copyTV(J->L, basev+2, tv); -#else - base[2] = TREF_NIL; setnilV(basev+2); -#endif - lj_record_call(J, func, 2); - } else { -#ifdef LUAJIT_ENABLE_LUA52COMPAT - if (tref_istab(tr)) - return lj_ir_call(J, IRCALL_lj_tab_len, tr); -#endif - lj_trace_err(J, LJ_TRERR_NOMM); - } - return 0; /* No result yet. */ -} - -/* Call a comparison metamethod. */ -static void rec_mm_callcomp(jit_State *J, RecordIndex *ix, int op) -{ - BCReg func = rec_mm_prep(J, (op&1) ? lj_cont_condf : lj_cont_condt); - TRef *base = J->base + func; - TValue *tv = J->L->base + func; - base[0] = ix->mobj; base[1] = ix->val; base[2] = ix->key; - copyTV(J->L, tv+0, &ix->mobjv); - copyTV(J->L, tv+1, &ix->valv); - copyTV(J->L, tv+2, &ix->keyv); - lj_record_call(J, func, 2); -} - -/* Record call to equality comparison metamethod (for tab and udata only). */ -static void rec_mm_equal(jit_State *J, RecordIndex *ix, int op) -{ - ix->tab = ix->val; - copyTV(J->L, &ix->tabv, &ix->valv); - if (lj_record_mm_lookup(J, ix, MM_eq)) { /* Lookup mm on 1st operand. */ - cTValue *bv; - TRef mo1 = ix->mobj; - TValue mo1v; - copyTV(J->L, &mo1v, &ix->mobjv); - /* Avoid the 2nd lookup and the objcmp if the metatables are equal. */ - bv = &ix->keyv; - if (tvistab(bv) && tabref(tabV(bv)->metatable) == ix->mtv) { - TRef mt2 = emitir(IRT(IR_FLOAD, IRT_TAB), ix->key, IRFL_TAB_META); - emitir(IRTG(IR_EQ, IRT_TAB), mt2, ix->mt); - } else if (tvisudata(bv) && tabref(udataV(bv)->metatable) == ix->mtv) { - TRef mt2 = emitir(IRT(IR_FLOAD, IRT_TAB), ix->key, IRFL_UDATA_META); - emitir(IRTG(IR_EQ, IRT_TAB), mt2, ix->mt); - } else { /* Lookup metamethod on 2nd operand and compare both. */ - ix->tab = ix->key; - copyTV(J->L, &ix->tabv, bv); - if (!lj_record_mm_lookup(J, ix, MM_eq) || - lj_record_objcmp(J, mo1, ix->mobj, &mo1v, &ix->mobjv)) - return; - } - rec_mm_callcomp(J, ix, op); - } -} - -/* Record call to ordered comparison metamethods (for arbitrary objects). */ -static void rec_mm_comp(jit_State *J, RecordIndex *ix, int op) -{ - ix->tab = ix->val; - copyTV(J->L, &ix->tabv, &ix->valv); - while (1) { - MMS mm = (op & 2) ? MM_le : MM_lt; /* Try __le + __lt or only __lt. */ - if (lj_record_mm_lookup(J, ix, mm)) { /* Lookup mm on 1st operand. */ - cTValue *bv; - TRef mo1 = ix->mobj; - TValue mo1v; - copyTV(J->L, &mo1v, &ix->mobjv); - /* Avoid the 2nd lookup and the objcmp if the metatables are equal. */ - bv = &ix->keyv; - if (tvistab(bv) && tabref(tabV(bv)->metatable) == ix->mtv) { - TRef mt2 = emitir(IRT(IR_FLOAD, IRT_TAB), ix->key, IRFL_TAB_META); - emitir(IRTG(IR_EQ, IRT_TAB), mt2, ix->mt); - } else if (tvisudata(bv) && tabref(udataV(bv)->metatable) == ix->mtv) { - TRef mt2 = emitir(IRT(IR_FLOAD, IRT_TAB), ix->key, IRFL_UDATA_META); - emitir(IRTG(IR_EQ, IRT_TAB), mt2, ix->mt); - } else { /* Lookup metamethod on 2nd operand and compare both. */ - ix->tab = ix->key; - copyTV(J->L, &ix->tabv, bv); - if (!lj_record_mm_lookup(J, ix, mm) || - lj_record_objcmp(J, mo1, ix->mobj, &mo1v, &ix->mobjv)) - goto nomatch; - } - rec_mm_callcomp(J, ix, op); - return; - } - nomatch: - /* First lookup failed. Retry with __lt and swapped operands. */ - if (!(op & 2)) break; /* Already at __lt. Interpreter will throw. */ - ix->tab = ix->key; ix->key = ix->val; ix->val = ix->tab; - copyTV(J->L, &ix->tabv, &ix->keyv); - copyTV(J->L, &ix->keyv, &ix->valv); - copyTV(J->L, &ix->valv, &ix->tabv); - op ^= 3; - } -} - -#if LJ_HASFFI -/* Setup call to cdata comparison metamethod. */ -static void rec_mm_comp_cdata(jit_State *J, RecordIndex *ix, int op, MMS mm) -{ - lj_snap_add(J); - if (tref_iscdata(ix->val)) { - ix->tab = ix->val; - copyTV(J->L, &ix->tabv, &ix->valv); - } else { - lua_assert(tref_iscdata(ix->key)); - ix->tab = ix->key; - copyTV(J->L, &ix->tabv, &ix->keyv); - } - lj_record_mm_lookup(J, ix, mm); - rec_mm_callcomp(J, ix, op); -} -#endif - -/* -- Indexed access ------------------------------------------------------ */ - -/* Record bounds-check. */ -static void rec_idx_abc(jit_State *J, TRef asizeref, TRef ikey, uint32_t asize) -{ - /* Try to emit invariant bounds checks. */ - if ((J->flags & (JIT_F_OPT_LOOP|JIT_F_OPT_ABC)) == - (JIT_F_OPT_LOOP|JIT_F_OPT_ABC)) { - IRRef ref = tref_ref(ikey); - IRIns *ir = IR(ref); - int32_t ofs = 0; - IRRef ofsref = 0; - /* Handle constant offsets. */ - if (ir->o == IR_ADD && irref_isk(ir->op2)) { - ofsref = ir->op2; - ofs = IR(ofsref)->i; - ref = ir->op1; - ir = IR(ref); - } - /* Got scalar evolution analysis results for this reference? */ - if (ref == J->scev.idx) { - int32_t stop; - lua_assert(irt_isint(J->scev.t) && ir->o == IR_SLOAD); - stop = numberVint(&(J->L->base - J->baseslot)[ir->op1 + FORL_STOP]); - /* Runtime value for stop of loop is within bounds? */ - if ((int64_t)stop + ofs < (int64_t)asize) { - /* Emit invariant bounds check for stop. */ - emitir(IRTG(IR_ABC, IRT_P32), asizeref, ofs == 0 ? J->scev.stop : - emitir(IRTI(IR_ADD), J->scev.stop, ofsref)); - /* Emit invariant bounds check for start, if not const or negative. */ - if (!(J->scev.dir && J->scev.start && - (int64_t)IR(J->scev.start)->i + ofs >= 0)) - emitir(IRTG(IR_ABC, IRT_P32), asizeref, ikey); - return; - } - } - } - emitir(IRTGI(IR_ABC), asizeref, ikey); /* Emit regular bounds check. */ -} - -/* Record indexed key lookup. */ -static TRef rec_idx_key(jit_State *J, RecordIndex *ix) -{ - TRef key; - GCtab *t = tabV(&ix->tabv); - ix->oldv = lj_tab_get(J->L, t, &ix->keyv); /* Lookup previous value. */ - - /* Integer keys are looked up in the array part first. */ - key = ix->key; - if (tref_isnumber(key)) { - int32_t k = numberVint(&ix->keyv); - if (!tvisint(&ix->keyv) && numV(&ix->keyv) != (lua_Number)k) - k = LJ_MAX_ASIZE; - if ((MSize)k < LJ_MAX_ASIZE) { /* Potential array key? */ - TRef ikey = lj_opt_narrow_index(J, key); - TRef asizeref = emitir(IRTI(IR_FLOAD), ix->tab, IRFL_TAB_ASIZE); - if ((MSize)k < t->asize) { /* Currently an array key? */ - TRef arrayref; - rec_idx_abc(J, asizeref, ikey, t->asize); - arrayref = emitir(IRT(IR_FLOAD, IRT_P32), ix->tab, IRFL_TAB_ARRAY); - return emitir(IRT(IR_AREF, IRT_P32), arrayref, ikey); - } else { /* Currently not in array (may be an array extension)? */ - emitir(IRTGI(IR_ULE), asizeref, ikey); /* Inv. bounds check. */ - if (k == 0 && tref_isk(key)) - key = lj_ir_knum_zero(J); /* Canonicalize 0 or +-0.0 to +0.0. */ - /* And continue with the hash lookup. */ - } - } else if (!tref_isk(key)) { - /* We can rule out const numbers which failed the integerness test - ** above. But all other numbers are potential array keys. - */ - if (t->asize == 0) { /* True sparse tables have an empty array part. */ - /* Guard that the array part stays empty. */ - TRef tmp = emitir(IRTI(IR_FLOAD), ix->tab, IRFL_TAB_ASIZE); - emitir(IRTGI(IR_EQ), tmp, lj_ir_kint(J, 0)); - } else { - lj_trace_err(J, LJ_TRERR_NYITMIX); - } - } - } - - /* Otherwise the key is located in the hash part. */ - if (t->hmask == 0) { /* Shortcut for empty hash part. */ - /* Guard that the hash part stays empty. */ - TRef tmp = emitir(IRTI(IR_FLOAD), ix->tab, IRFL_TAB_HMASK); - emitir(IRTGI(IR_EQ), tmp, lj_ir_kint(J, 0)); - return lj_ir_kkptr(J, niltvg(J2G(J))); - } - if (tref_isinteger(key)) /* Hash keys are based on numbers, not ints. */ - ix->key = key = emitir(IRTN(IR_CONV), key, IRCONV_NUM_INT); - if (tref_isk(key)) { - /* Optimize lookup of constant hash keys. */ - MSize hslot = (MSize)((char *)ix->oldv - (char *)&noderef(t->node)[0].val); - if (t->hmask > 0 && hslot <= t->hmask*(MSize)sizeof(Node) && - hslot <= 65535*(MSize)sizeof(Node)) { - TRef node, kslot; - TRef hm = emitir(IRTI(IR_FLOAD), ix->tab, IRFL_TAB_HMASK); - emitir(IRTGI(IR_EQ), hm, lj_ir_kint(J, (int32_t)t->hmask)); - node = emitir(IRT(IR_FLOAD, IRT_P32), ix->tab, IRFL_TAB_NODE); - kslot = lj_ir_kslot(J, key, hslot / sizeof(Node)); - return emitir(IRTG(IR_HREFK, IRT_P32), node, kslot); - } - } - /* Fall back to a regular hash lookup. */ - return emitir(IRT(IR_HREF, IRT_P32), ix->tab, key); -} - -/* Determine whether a key is NOT one of the fast metamethod names. */ -static int nommstr(jit_State *J, TRef key) -{ - if (tref_isstr(key)) { - if (tref_isk(key)) { - GCstr *str = ir_kstr(IR(tref_ref(key))); - uint32_t mm; - for (mm = 0; mm <= MM_FAST; mm++) - if (mmname_str(J2G(J), mm) == str) - return 0; /* MUST be one the fast metamethod names. */ - } else { - return 0; /* Variable string key MAY be a metamethod name. */ - } - } - return 1; /* CANNOT be a metamethod name. */ -} - -/* Record indexed load/store. */ -TRef lj_record_idx(jit_State *J, RecordIndex *ix) -{ - TRef xref; - IROp xrefop, loadop; - cTValue *oldv; - - while (!tref_istab(ix->tab)) { /* Handle non-table lookup. */ - /* Never call raw lj_record_idx() on non-table. */ - lua_assert(ix->idxchain != 0); - if (!lj_record_mm_lookup(J, ix, ix->val ? MM_newindex : MM_index)) - lj_trace_err(J, LJ_TRERR_NOMM); - handlemm: - if (tref_isfunc(ix->mobj)) { /* Handle metamethod call. */ - BCReg func = rec_mm_prep(J, ix->val ? lj_cont_nop : lj_cont_ra); - TRef *base = J->base + func; - TValue *tv = J->L->base + func; - base[0] = ix->mobj; base[1] = ix->tab; base[2] = ix->key; - setfuncV(J->L, tv+0, funcV(&ix->mobjv)); - copyTV(J->L, tv+1, &ix->tabv); - copyTV(J->L, tv+2, &ix->keyv); - if (ix->val) { - base[3] = ix->val; - copyTV(J->L, tv+3, &ix->valv); - lj_record_call(J, func, 3); /* mobj(tab, key, val) */ - return 0; - } else { - lj_record_call(J, func, 2); /* res = mobj(tab, key) */ - return 0; /* No result yet. */ - } - } - /* Otherwise retry lookup with metaobject. */ - ix->tab = ix->mobj; - copyTV(J->L, &ix->tabv, &ix->mobjv); - if (--ix->idxchain == 0) - lj_trace_err(J, LJ_TRERR_IDXLOOP); - } - - /* First catch nil and NaN keys for tables. */ - if (tvisnil(&ix->keyv) || (tvisnum(&ix->keyv) && tvisnan(&ix->keyv))) { - if (ix->val) /* Better fail early. */ - lj_trace_err(J, LJ_TRERR_STORENN); - if (tref_isk(ix->key)) { - if (ix->idxchain && lj_record_mm_lookup(J, ix, MM_index)) - goto handlemm; - return TREF_NIL; - } - } - - /* Record the key lookup. */ - xref = rec_idx_key(J, ix); - xrefop = IR(tref_ref(xref))->o; - loadop = xrefop == IR_AREF ? IR_ALOAD : IR_HLOAD; - /* The lj_meta_tset() inconsistency is gone, but better play safe. */ - oldv = xrefop == IR_KKPTR ? (cTValue *)ir_kptr(IR(tref_ref(xref))) : ix->oldv; - - if (ix->val == 0) { /* Indexed load */ - IRType t = itype2irt(oldv); - TRef res; - if (oldv == niltvg(J2G(J))) { - emitir(IRTG(IR_EQ, IRT_P32), xref, lj_ir_kkptr(J, niltvg(J2G(J)))); - res = TREF_NIL; - } else { - res = emitir(IRTG(loadop, t), xref, 0); - } - if (t == IRT_NIL && ix->idxchain && lj_record_mm_lookup(J, ix, MM_index)) - goto handlemm; - if (irtype_ispri(t)) res = TREF_PRI(t); /* Canonicalize primitives. */ - return res; - } else { /* Indexed store. */ - GCtab *mt = tabref(tabV(&ix->tabv)->metatable); - int keybarrier = tref_isgcv(ix->key) && !tref_isnil(ix->val); - if (tvisnil(oldv)) { /* Previous value was nil? */ - /* Need to duplicate the hasmm check for the early guards. */ - int hasmm = 0; - if (ix->idxchain && mt) { - cTValue *mo = lj_tab_getstr(mt, mmname_str(J2G(J), MM_newindex)); - hasmm = mo && !tvisnil(mo); - } - if (hasmm) - emitir(IRTG(loadop, IRT_NIL), xref, 0); /* Guard for nil value. */ - else if (xrefop == IR_HREF) - emitir(IRTG(oldv == niltvg(J2G(J)) ? IR_EQ : IR_NE, IRT_P32), - xref, lj_ir_kkptr(J, niltvg(J2G(J)))); - if (ix->idxchain && lj_record_mm_lookup(J, ix, MM_newindex)) { - lua_assert(hasmm); - goto handlemm; - } - lua_assert(!hasmm); - if (oldv == niltvg(J2G(J))) { /* Need to insert a new key. */ - TRef key = ix->key; - if (tref_isinteger(key)) /* NEWREF needs a TValue as a key. */ - key = emitir(IRTN(IR_CONV), key, IRCONV_NUM_INT); - xref = emitir(IRT(IR_NEWREF, IRT_P32), ix->tab, key); - keybarrier = 0; /* NEWREF already takes care of the key barrier. */ - } - } else if (!lj_opt_fwd_wasnonnil(J, loadop, tref_ref(xref))) { - /* Cannot derive that the previous value was non-nil, must do checks. */ - if (xrefop == IR_HREF) /* Guard against store to niltv. */ - emitir(IRTG(IR_NE, IRT_P32), xref, lj_ir_kkptr(J, niltvg(J2G(J)))); - if (ix->idxchain) { /* Metamethod lookup required? */ - /* A check for NULL metatable is cheaper (hoistable) than a load. */ - if (!mt) { - TRef mtref = emitir(IRT(IR_FLOAD, IRT_TAB), ix->tab, IRFL_TAB_META); - emitir(IRTG(IR_EQ, IRT_TAB), mtref, lj_ir_knull(J, IRT_TAB)); - } else { - IRType t = itype2irt(oldv); - emitir(IRTG(loadop, t), xref, 0); /* Guard for non-nil value. */ - } - } - } else { - keybarrier = 0; /* Previous non-nil value kept the key alive. */ - } - /* Convert int to number before storing. */ - if (!LJ_DUALNUM && tref_isinteger(ix->val)) - ix->val = emitir(IRTN(IR_CONV), ix->val, IRCONV_NUM_INT); - emitir(IRT(loadop+IRDELTA_L2S, tref_type(ix->val)), xref, ix->val); - if (keybarrier || tref_isgcv(ix->val)) - emitir(IRT(IR_TBAR, IRT_NIL), ix->tab, 0); - /* Invalidate neg. metamethod cache for stores with certain string keys. */ - if (!nommstr(J, ix->key)) { - TRef fref = emitir(IRT(IR_FREF, IRT_P32), ix->tab, IRFL_TAB_NOMM); - emitir(IRT(IR_FSTORE, IRT_U8), fref, lj_ir_kint(J, 0)); - } - J->needsnap = 1; - return 0; - } -} - -/* -- Upvalue access ------------------------------------------------------ */ - -/* Record upvalue load/store. */ -static TRef rec_upvalue(jit_State *J, uint32_t uv, TRef val) -{ - GCupval *uvp = &gcref(J->fn->l.uvptr[uv])->uv; - TRef fn = getcurrf(J); - IRRef uref; - int needbarrier = 0; - /* Note: this effectively limits LJ_MAX_UPVAL to 127. */ - uv = (uv << 8) | (hashrot(uvp->dhash, uvp->dhash + HASH_BIAS) & 0xff); - if (!uvp->closed) { - /* In current stack? */ - if (uvval(uvp) >= tvref(J->L->stack) && - uvval(uvp) < tvref(J->L->maxstack)) { - int32_t slot = (int32_t)(uvval(uvp) - (J->L->base - J->baseslot)); - if (slot >= 0) { /* Aliases an SSA slot? */ - slot -= (int32_t)J->baseslot; /* Note: slot number may be negative! */ - /* NYI: add IR to guard that it's still aliasing the same slot. */ - if (val == 0) { - return getslot(J, slot); - } else { - J->base[slot] = val; - if (slot >= (int32_t)J->maxslot) J->maxslot = (BCReg)(slot+1); - return 0; - } - } - } - uref = tref_ref(emitir(IRTG(IR_UREFO, IRT_P32), fn, uv)); - } else { - needbarrier = 1; - uref = tref_ref(emitir(IRTG(IR_UREFC, IRT_P32), fn, uv)); - } - if (val == 0) { /* Upvalue load */ - IRType t = itype2irt(uvval(uvp)); - TRef res = emitir(IRTG(IR_ULOAD, t), uref, 0); - if (irtype_ispri(t)) res = TREF_PRI(t); /* Canonicalize primitive refs. */ - return res; - } else { /* Upvalue store. */ - /* Convert int to number before storing. */ - if (!LJ_DUALNUM && tref_isinteger(val)) - val = emitir(IRTN(IR_CONV), val, IRCONV_NUM_INT); - emitir(IRT(IR_USTORE, tref_type(val)), uref, val); - if (needbarrier && tref_isgcv(val)) - emitir(IRT(IR_OBAR, IRT_NIL), uref, val); - J->needsnap = 1; - return 0; - } -} - -/* -- Record calls to Lua functions --------------------------------------- */ - -/* Check unroll limits for calls. */ -static void check_call_unroll(jit_State *J, TraceNo lnk) -{ - cTValue *frame = J->L->base - 1; - void *pc = mref(frame_func(frame)->l.pc, void); - int32_t depth = J->framedepth; - int32_t count = 0; - if ((J->pt->flags & PROTO_VARARG)) depth--; /* Vararg frame still missing. */ - for (; depth > 0; depth--) { /* Count frames with same prototype. */ - frame = frame_prev(frame); - if (mref(frame_func(frame)->l.pc, void) == pc) - count++; - } - if (J->pc == J->startpc) { - if (count + J->tailcalled > J->param[JIT_P_recunroll]) { - J->pc++; - if (J->framedepth + J->retdepth == 0) - rec_stop(J, LJ_TRLINK_TAILREC, J->cur.traceno); /* Tail-recursion. */ - else - rec_stop(J, LJ_TRLINK_UPREC, J->cur.traceno); /* Up-recursion. */ - } - } else { - if (count > J->param[JIT_P_callunroll]) { - if (lnk) { /* Possible tail- or up-recursion. */ - lj_trace_flush(J, lnk); /* Flush trace that only returns. */ - /* Set a small, pseudo-random hotcount for a quick retry of JFUNC*. */ - hotcount_set(J2GG(J), J->pc+1, LJ_PRNG_BITS(J, 4)); - } - lj_trace_err(J, LJ_TRERR_CUNROLL); - } - } -} - -/* Record Lua function setup. */ -static void rec_func_setup(jit_State *J) -{ - GCproto *pt = J->pt; - BCReg s, numparams = pt->numparams; - if ((pt->flags & PROTO_NOJIT)) - lj_trace_err(J, LJ_TRERR_CJITOFF); - if (J->baseslot + pt->framesize >= LJ_MAX_JSLOTS) - lj_trace_err(J, LJ_TRERR_STACKOV); - /* Fill up missing parameters with nil. */ - for (s = J->maxslot; s < numparams; s++) - J->base[s] = TREF_NIL; - /* The remaining slots should never be read before they are written. */ - J->maxslot = numparams; -} - -/* Record Lua vararg function setup. */ -static void rec_func_vararg(jit_State *J) -{ - GCproto *pt = J->pt; - BCReg s, fixargs, vframe = J->maxslot+1; - lua_assert((pt->flags & PROTO_VARARG)); - if (J->baseslot + vframe + pt->framesize >= LJ_MAX_JSLOTS) - lj_trace_err(J, LJ_TRERR_STACKOV); - J->base[vframe-1] = J->base[-1]; /* Copy function up. */ - /* Copy fixarg slots up and set their original slots to nil. */ - fixargs = pt->numparams < J->maxslot ? pt->numparams : J->maxslot; - for (s = 0; s < fixargs; s++) { - J->base[vframe+s] = J->base[s]; - J->base[s] = TREF_NIL; - } - J->maxslot = fixargs; - J->framedepth++; - J->base += vframe; - J->baseslot += vframe; -} - -/* Record entry to a Lua function. */ -static void rec_func_lua(jit_State *J) -{ - rec_func_setup(J); - check_call_unroll(J, 0); -} - -/* Record entry to an already compiled function. */ -static void rec_func_jit(jit_State *J, TraceNo lnk) -{ - GCtrace *T; - rec_func_setup(J); - T = traceref(J, lnk); - if (T->linktype == LJ_TRLINK_RETURN) { /* Trace returns to interpreter? */ - check_call_unroll(J, lnk); - /* Temporarily unpatch JFUNC* to continue recording across function. */ - J->patchins = *J->pc; - J->patchpc = (BCIns *)J->pc; - *J->patchpc = T->startins; - return; - } - J->instunroll = 0; /* Cannot continue across a compiled function. */ - if (J->pc == J->startpc && J->framedepth + J->retdepth == 0) - rec_stop(J, LJ_TRLINK_TAILREC, J->cur.traceno); /* Extra tail-recursion. */ - else - rec_stop(J, LJ_TRLINK_ROOT, lnk); /* Link to the function. */ -} - -/* -- Vararg handling ----------------------------------------------------- */ - -/* Detect y = select(x, ...) idiom. */ -static int select_detect(jit_State *J) -{ - BCIns ins = J->pc[1]; - if (bc_op(ins) == BC_CALLM && bc_b(ins) == 2 && bc_c(ins) == 1) { - cTValue *func = &J->L->base[bc_a(ins)]; - if (tvisfunc(func) && funcV(func)->c.ffid == FF_select) - return 1; - } - return 0; -} - -/* Record vararg instruction. */ -static void rec_varg(jit_State *J, BCReg dst, ptrdiff_t nresults) -{ - int32_t numparams = J->pt->numparams; - ptrdiff_t nvararg = frame_delta(J->L->base-1) - numparams - 1; - lua_assert(frame_isvarg(J->L->base-1)); - if (J->framedepth > 0) { /* Simple case: varargs defined on-trace. */ - ptrdiff_t i; - if (nvararg < 0) nvararg = 0; - if (nresults == -1) { - nresults = nvararg; - J->maxslot = dst + (BCReg)nvararg; - } else if (dst + nresults > J->maxslot) { - J->maxslot = dst + (BCReg)nresults; - } - for (i = 0; i < nresults; i++) { - J->base[dst+i] = i < nvararg ? J->base[i - nvararg - 1] : TREF_NIL; - lua_assert(J->base[dst+i] != 0); - } - } else { /* Unknown number of varargs passed to trace. */ - TRef fr = emitir(IRTI(IR_SLOAD), 0, IRSLOAD_READONLY|IRSLOAD_FRAME); - int32_t frofs = 8*(1+numparams)+FRAME_VARG; - if (nresults >= 0) { /* Known fixed number of results. */ - ptrdiff_t i; - if (nvararg > 0) { - ptrdiff_t nload = nvararg >= nresults ? nresults : nvararg; - TRef vbase; - if (nvararg >= nresults) - emitir(IRTGI(IR_GE), fr, lj_ir_kint(J, frofs+8*(int32_t)nresults)); - else - emitir(IRTGI(IR_EQ), fr, lj_ir_kint(J, frame_ftsz(J->L->base-1))); - vbase = emitir(IRTI(IR_SUB), REF_BASE, fr); - vbase = emitir(IRT(IR_ADD, IRT_P32), vbase, lj_ir_kint(J, frofs-8)); - for (i = 0; i < nload; i++) { - IRType t = itype2irt(&J->L->base[i-1-nvararg]); - TRef aref = emitir(IRT(IR_AREF, IRT_P32), - vbase, lj_ir_kint(J, (int32_t)i)); - TRef tr = emitir(IRTG(IR_VLOAD, t), aref, 0); - if (irtype_ispri(t)) tr = TREF_PRI(t); /* Canonicalize primitives. */ - J->base[dst+i] = tr; - } - } else { - emitir(IRTGI(IR_LE), fr, lj_ir_kint(J, frofs)); - nvararg = 0; - } - for (i = nvararg; i < nresults; i++) - J->base[dst+i] = TREF_NIL; - if (dst + (BCReg)nresults > J->maxslot) - J->maxslot = dst + (BCReg)nresults; - } else if (select_detect(J)) { /* y = select(x, ...) */ - TRef tridx = J->base[dst-1]; - TRef tr = TREF_NIL; - ptrdiff_t idx = lj_ffrecord_select_mode(J, tridx, &J->L->base[dst-1]); - if (idx < 0) goto nyivarg; - if (idx != 0 && !tref_isinteger(tridx)) - tridx = emitir(IRTGI(IR_CONV), tridx, IRCONV_INT_NUM|IRCONV_INDEX); - if (idx != 0 && tref_isk(tridx)) { - emitir(IRTGI(idx <= nvararg ? IR_GE : IR_LT), - fr, lj_ir_kint(J, frofs+8*(int32_t)idx)); - frofs -= 8; /* Bias for 1-based index. */ - } else if (idx <= nvararg) { /* Compute size. */ - TRef tmp = emitir(IRTI(IR_ADD), fr, lj_ir_kint(J, -frofs)); - if (numparams) - emitir(IRTGI(IR_GE), tmp, lj_ir_kint(J, 0)); - tr = emitir(IRTI(IR_BSHR), tmp, lj_ir_kint(J, 3)); - if (idx != 0) { - tridx = emitir(IRTI(IR_ADD), tridx, lj_ir_kint(J, -1)); - rec_idx_abc(J, tr, tridx, (uint32_t)nvararg); - } - } else { - TRef tmp = lj_ir_kint(J, frofs); - if (idx != 0) { - TRef tmp2 = emitir(IRTI(IR_BSHL), tridx, lj_ir_kint(J, 3)); - tmp = emitir(IRTI(IR_ADD), tmp2, tmp); - } else { - tr = lj_ir_kint(J, 0); - } - emitir(IRTGI(IR_LT), fr, tmp); - } - if (idx != 0 && idx <= nvararg) { - IRType t; - TRef aref, vbase = emitir(IRTI(IR_SUB), REF_BASE, fr); - vbase = emitir(IRT(IR_ADD, IRT_P32), vbase, lj_ir_kint(J, frofs-8)); - t = itype2irt(&J->L->base[idx-2-nvararg]); - aref = emitir(IRT(IR_AREF, IRT_P32), vbase, tridx); - tr = emitir(IRTG(IR_VLOAD, t), aref, 0); - if (irtype_ispri(t)) tr = TREF_PRI(t); /* Canonicalize primitives. */ - } - J->base[dst-2] = tr; - J->maxslot = dst-1; - J->bcskip = 2; /* Skip CALLM + select. */ - } else { - nyivarg: - setintV(&J->errinfo, BC_VARG); - lj_trace_err_info(J, LJ_TRERR_NYIBC); - } - } -} - -/* -- Record allocations -------------------------------------------------- */ - -static TRef rec_tnew(jit_State *J, uint32_t ah) -{ - uint32_t asize = ah & 0x7ff; - uint32_t hbits = ah >> 11; - if (asize == 0x7ff) asize = 0x801; - return emitir(IRTG(IR_TNEW, IRT_TAB), asize, hbits); -} - -/* -- Record bytecode ops ------------------------------------------------- */ - -/* Prepare for comparison. */ -static void rec_comp_prep(jit_State *J) -{ - /* Prevent merging with snapshot #0 (GC exit) since we fixup the PC. */ - if (J->cur.nsnap == 1 && J->cur.snap[0].ref == J->cur.nins) - emitir_raw(IRT(IR_NOP, IRT_NIL), 0, 0); - lj_snap_add(J); -} - -/* Fixup comparison. */ -static void rec_comp_fixup(jit_State *J, const BCIns *pc, int cond) -{ - BCIns jmpins = pc[1]; - const BCIns *npc = pc + 2 + (cond ? bc_j(jmpins) : 0); - SnapShot *snap = &J->cur.snap[J->cur.nsnap-1]; - /* Set PC to opposite target to avoid re-recording the comp. in side trace. */ - J->cur.snapmap[snap->mapofs + snap->nent] = SNAP_MKPC(npc); - J->needsnap = 1; - if (bc_a(jmpins) < J->maxslot) J->maxslot = bc_a(jmpins); - lj_snap_shrink(J); /* Shrink last snapshot if possible. */ -} - -/* Record the next bytecode instruction (_before_ it's executed). */ -void lj_record_ins(jit_State *J) -{ - cTValue *lbase; - RecordIndex ix; - const BCIns *pc; - BCIns ins; - BCOp op; - TRef ra, rb, rc; - - /* Perform post-processing action before recording the next instruction. */ - if (LJ_UNLIKELY(J->postproc != LJ_POST_NONE)) { - switch (J->postproc) { - case LJ_POST_FIXCOMP: /* Fixup comparison. */ - pc = frame_pc(&J2G(J)->tmptv); - rec_comp_fixup(J, pc, (!tvistruecond(&J2G(J)->tmptv2) ^ (bc_op(*pc)&1))); - /* fallthrough */ - case LJ_POST_FIXGUARD: /* Fixup and emit pending guard. */ - case LJ_POST_FIXGUARDSNAP: /* Fixup and emit pending guard and snapshot. */ - if (!tvistruecond(&J2G(J)->tmptv2)) { - J->fold.ins.o ^= 1; /* Flip guard to opposite. */ - if (J->postproc == LJ_POST_FIXGUARDSNAP) { - SnapShot *snap = &J->cur.snap[J->cur.nsnap-1]; - J->cur.snapmap[snap->mapofs+snap->nent-1]--; /* False -> true. */ - } - } - lj_opt_fold(J); /* Emit pending guard. */ - /* fallthrough */ - case LJ_POST_FIXBOOL: - if (!tvistruecond(&J2G(J)->tmptv2)) { - BCReg s; - for (s = 0; s < J->maxslot; s++) /* Fixup stack slot (if any). */ - if (J->base[s] == TREF_TRUE && tvisfalse(&J->L->base[s])) { - J->base[s] = TREF_FALSE; - break; - } - } - break; - case LJ_POST_FFRETRY: /* Suppress recording of retried fast function. */ - if (bc_op(*J->pc) >= BC__MAX) - return; - break; - default: lua_assert(0); break; - } - J->postproc = LJ_POST_NONE; - } - - /* Need snapshot before recording next bytecode (e.g. after a store). */ - if (J->needsnap) { - J->needsnap = 0; - lj_snap_purge(J); - lj_snap_add(J); - J->mergesnap = 1; - } - - /* Skip some bytecodes. */ - if (LJ_UNLIKELY(J->bcskip > 0)) { - J->bcskip--; - return; - } - - /* Record only closed loops for root traces. */ - pc = J->pc; - if (J->framedepth == 0 && - (MSize)((char *)pc - (char *)J->bc_min) >= J->bc_extent) - lj_trace_err(J, LJ_TRERR_LLEAVE); - -#ifdef LUA_USE_ASSERT - rec_check_slots(J); - rec_check_ir(J); -#endif - - /* Keep a copy of the runtime values of var/num/str operands. */ -#define rav (&ix.valv) -#define rbv (&ix.tabv) -#define rcv (&ix.keyv) - - lbase = J->L->base; - ins = *pc; - op = bc_op(ins); - ra = bc_a(ins); - ix.val = 0; - switch (bcmode_a(op)) { - case BCMvar: - copyTV(J->L, rav, &lbase[ra]); ix.val = ra = getslot(J, ra); break; - default: break; /* Handled later. */ - } - rb = bc_b(ins); - rc = bc_c(ins); - switch (bcmode_b(op)) { - case BCMnone: rb = 0; rc = bc_d(ins); break; /* Upgrade rc to 'rd'. */ - case BCMvar: - copyTV(J->L, rbv, &lbase[rb]); ix.tab = rb = getslot(J, rb); break; - default: break; /* Handled later. */ - } - switch (bcmode_c(op)) { - case BCMvar: - copyTV(J->L, rcv, &lbase[rc]); ix.key = rc = getslot(J, rc); break; - case BCMpri: setitype(rcv, ~rc); ix.key = rc = TREF_PRI(IRT_NIL+rc); break; - case BCMnum: { cTValue *tv = proto_knumtv(J->pt, rc); - copyTV(J->L, rcv, tv); ix.key = rc = tvisint(tv) ? lj_ir_kint(J, intV(tv)) : - lj_ir_knumint(J, numV(tv)); } break; - case BCMstr: { GCstr *s = gco2str(proto_kgc(J->pt, ~(ptrdiff_t)rc)); - setstrV(J->L, rcv, s); ix.key = rc = lj_ir_kstr(J, s); } break; - default: break; /* Handled later. */ - } - - switch (op) { - - /* -- Comparison ops ---------------------------------------------------- */ - - case BC_ISLT: case BC_ISGE: case BC_ISLE: case BC_ISGT: -#if LJ_HASFFI - if (tref_iscdata(ra) || tref_iscdata(rc)) { - rec_mm_comp_cdata(J, &ix, op, ((int)op & 2) ? MM_le : MM_lt); - break; - } -#endif - /* Emit nothing for two numeric or string consts. */ - if (!(tref_isk2(ra,rc) && tref_isnumber_str(ra) && tref_isnumber_str(rc))) { - IRType ta = tref_isinteger(ra) ? IRT_INT : tref_type(ra); - IRType tc = tref_isinteger(rc) ? IRT_INT : tref_type(rc); - int irop; - if (ta != tc) { - /* Widen mixed number/int comparisons to number/number comparison. */ - if (ta == IRT_INT && tc == IRT_NUM) { - ra = emitir(IRTN(IR_CONV), ra, IRCONV_NUM_INT); - ta = IRT_NUM; - } else if (ta == IRT_NUM && tc == IRT_INT) { - rc = emitir(IRTN(IR_CONV), rc, IRCONV_NUM_INT); - } else if (!((ta == IRT_FALSE || ta == IRT_TRUE) && - (tc == IRT_FALSE || tc == IRT_TRUE))) { - break; /* Interpreter will throw for two different types. */ - } - } - rec_comp_prep(J); - irop = (int)op - (int)BC_ISLT + (int)IR_LT; - if (ta == IRT_NUM) { - if ((irop & 1)) irop ^= 4; /* ISGE/ISGT are unordered. */ - if (!lj_ir_numcmp(numberVnum(rav), numberVnum(rcv), (IROp)irop)) - irop ^= 5; - } else if (ta == IRT_INT) { - if (!lj_ir_numcmp(numberVnum(rav), numberVnum(rcv), (IROp)irop)) - irop ^= 1; - } else if (ta == IRT_STR) { - if (!lj_ir_strcmp(strV(rav), strV(rcv), (IROp)irop)) irop ^= 1; - ra = lj_ir_call(J, IRCALL_lj_str_cmp, ra, rc); - rc = lj_ir_kint(J, 0); - ta = IRT_INT; - } else { - rec_mm_comp(J, &ix, (int)op); - break; - } - emitir(IRTG(irop, ta), ra, rc); - rec_comp_fixup(J, J->pc, ((int)op ^ irop) & 1); - } - break; - - case BC_ISEQV: case BC_ISNEV: - case BC_ISEQS: case BC_ISNES: - case BC_ISEQN: case BC_ISNEN: - case BC_ISEQP: case BC_ISNEP: -#if LJ_HASFFI - if (tref_iscdata(ra) || tref_iscdata(rc)) { - rec_mm_comp_cdata(J, &ix, op, MM_eq); - break; - } -#endif - /* Emit nothing for two non-table, non-udata consts. */ - if (!(tref_isk2(ra, rc) && !(tref_istab(ra) || tref_isudata(ra)))) { - int diff; - rec_comp_prep(J); - diff = lj_record_objcmp(J, ra, rc, rav, rcv); - if (diff == 1 && (tref_istab(ra) || tref_isudata(ra))) { - /* Only check __eq if different, but the same type (table or udata). */ - rec_mm_equal(J, &ix, (int)op); - break; - } - rec_comp_fixup(J, J->pc, ((int)op & 1) == !diff); - } - break; - - /* -- Unary test and copy ops ------------------------------------------- */ - - case BC_ISTC: case BC_ISFC: - if ((op & 1) == tref_istruecond(rc)) - rc = 0; /* Don't store if condition is not true. */ - /* fallthrough */ - case BC_IST: case BC_ISF: /* Type specialization suffices. */ - if (bc_a(pc[1]) < J->maxslot) - J->maxslot = bc_a(pc[1]); /* Shrink used slots. */ - break; - - /* -- Unary ops --------------------------------------------------------- */ - - case BC_NOT: - /* Type specialization already forces const result. */ - rc = tref_istruecond(rc) ? TREF_FALSE : TREF_TRUE; - break; - - case BC_LEN: - if (tref_isstr(rc)) - rc = emitir(IRTI(IR_FLOAD), rc, IRFL_STR_LEN); -#ifndef LUAJIT_ENABLE_LUA52COMPAT - else if (tref_istab(rc)) - rc = lj_ir_call(J, IRCALL_lj_tab_len, rc); -#endif - else - rc = rec_mm_len(J, rc, rcv); - break; - - /* -- Arithmetic ops ---------------------------------------------------- */ - - case BC_UNM: - if (tref_isnumber_str(rc)) { - rc = lj_opt_narrow_unm(J, rc, rcv); - } else { - ix.tab = rc; - copyTV(J->L, &ix.tabv, rcv); - rc = rec_mm_arith(J, &ix, MM_unm); - } - break; - - case BC_ADDNV: case BC_SUBNV: case BC_MULNV: case BC_DIVNV: case BC_MODNV: - /* Swap rb/rc and rbv/rcv. rav is temp. */ - ix.tab = rc; ix.key = rc = rb; rb = ix.tab; - copyTV(J->L, rav, rbv); - copyTV(J->L, rbv, rcv); - copyTV(J->L, rcv, rav); - if (op == BC_MODNV) - goto recmod; - /* fallthrough */ - case BC_ADDVN: case BC_SUBVN: case BC_MULVN: case BC_DIVVN: - case BC_ADDVV: case BC_SUBVV: case BC_MULVV: case BC_DIVVV: { - MMS mm = bcmode_mm(op); - if (tref_isnumber_str(rb) && tref_isnumber_str(rc)) - rc = lj_opt_narrow_arith(J, rb, rc, rbv, rcv, - (int)mm - (int)MM_add + (int)IR_ADD); - else - rc = rec_mm_arith(J, &ix, mm); - break; - } - - case BC_MODVN: case BC_MODVV: - recmod: - if (tref_isnumber_str(rb) && tref_isnumber_str(rc)) - rc = lj_opt_narrow_mod(J, rb, rc, rcv); - else - rc = rec_mm_arith(J, &ix, MM_mod); - break; - - case BC_POW: - if (tref_isnumber_str(rb) && tref_isnumber_str(rc)) - rc = lj_opt_narrow_pow(J, lj_ir_tonum(J, rb), rc, rcv); - else - rc = rec_mm_arith(J, &ix, MM_pow); - break; - - /* -- Constant and move ops --------------------------------------------- */ - - case BC_MOV: - /* Clear gap of method call to avoid resurrecting previous refs. */ - if (ra > J->maxslot) J->base[ra-1] = 0; - break; - case BC_KSTR: case BC_KNUM: case BC_KPRI: - break; - case BC_KSHORT: - rc = lj_ir_kint(J, (int32_t)(int16_t)rc); - break; - case BC_KNIL: - while (ra <= rc) - J->base[ra++] = TREF_NIL; - if (rc >= J->maxslot) J->maxslot = rc+1; - break; -#if LJ_HASFFI - case BC_KCDATA: - rc = lj_ir_kgc(J, proto_kgc(J->pt, ~(ptrdiff_t)rc), IRT_CDATA); - break; -#endif - - /* -- Upvalue and function ops ------------------------------------------ */ - - case BC_UGET: - rc = rec_upvalue(J, rc, 0); - break; - case BC_USETV: case BC_USETS: case BC_USETN: case BC_USETP: - rec_upvalue(J, ra, rc); - break; - - /* -- Table ops --------------------------------------------------------- */ - - case BC_GGET: case BC_GSET: - settabV(J->L, &ix.tabv, tabref(J->fn->l.env)); - ix.tab = emitir(IRT(IR_FLOAD, IRT_TAB), getcurrf(J), IRFL_FUNC_ENV); - ix.idxchain = LJ_MAX_IDXCHAIN; - rc = lj_record_idx(J, &ix); - break; - - case BC_TGETB: case BC_TSETB: - setintV(&ix.keyv, (int32_t)rc); - ix.key = lj_ir_kint(J, (int32_t)rc); - /* fallthrough */ - case BC_TGETV: case BC_TGETS: case BC_TSETV: case BC_TSETS: - ix.idxchain = LJ_MAX_IDXCHAIN; - rc = lj_record_idx(J, &ix); - break; - - case BC_TNEW: - rc = rec_tnew(J, rc); - break; - case BC_TDUP: - rc = emitir(IRTG(IR_TDUP, IRT_TAB), - lj_ir_ktab(J, gco2tab(proto_kgc(J->pt, ~(ptrdiff_t)rc))), 0); - break; - - /* -- Calls and vararg handling ----------------------------------------- */ - - case BC_ITERC: - J->base[ra] = getslot(J, ra-3); - J->base[ra+1] = getslot(J, ra-2); - J->base[ra+2] = getslot(J, ra-1); - { /* Do the actual copy now because lj_record_call needs the values. */ - TValue *b = &J->L->base[ra]; - copyTV(J->L, b, b-3); - copyTV(J->L, b+1, b-2); - copyTV(J->L, b+2, b-1); - } - lj_record_call(J, ra, (ptrdiff_t)rc-1); - break; - - /* L->top is set to L->base+ra+rc+NARGS-1+1. See lj_dispatch_ins(). */ - case BC_CALLM: - rc = (BCReg)(J->L->top - J->L->base) - ra; - /* fallthrough */ - case BC_CALL: - lj_record_call(J, ra, (ptrdiff_t)rc-1); - break; - - case BC_CALLMT: - rc = (BCReg)(J->L->top - J->L->base) - ra; - /* fallthrough */ - case BC_CALLT: - lj_record_tailcall(J, ra, (ptrdiff_t)rc-1); - break; - - case BC_VARG: - rec_varg(J, ra, (ptrdiff_t)rb-1); - break; - - /* -- Returns ----------------------------------------------------------- */ - - case BC_RETM: - /* L->top is set to L->base+ra+rc+NRESULTS-1, see lj_dispatch_ins(). */ - rc = (BCReg)(J->L->top - J->L->base) - ra + 1; - /* fallthrough */ - case BC_RET: case BC_RET0: case BC_RET1: - lj_record_ret(J, ra, (ptrdiff_t)rc-1); - break; - - /* -- Loops and branches ------------------------------------------------ */ - - case BC_FORI: - if (rec_for(J, pc, 0) != LOOPEV_LEAVE) - J->loopref = J->cur.nins; - break; - case BC_JFORI: - lua_assert(bc_op(pc[(ptrdiff_t)rc-BCBIAS_J]) == BC_JFORL); - if (rec_for(J, pc, 0) != LOOPEV_LEAVE) /* Link to existing loop. */ - rec_stop(J, LJ_TRLINK_ROOT, bc_d(pc[(ptrdiff_t)rc-BCBIAS_J])); - /* Continue tracing if the loop is not entered. */ - break; - - case BC_FORL: - rec_loop_interp(J, pc, rec_for(J, pc+((ptrdiff_t)rc-BCBIAS_J), 1)); - break; - case BC_ITERL: - rec_loop_interp(J, pc, rec_iterl(J, *pc)); - break; - case BC_LOOP: - rec_loop_interp(J, pc, rec_loop(J, ra)); - break; - - case BC_JFORL: - rec_loop_jit(J, rc, rec_for(J, pc+bc_j(traceref(J, rc)->startins), 1)); - break; - case BC_JITERL: - rec_loop_jit(J, rc, rec_iterl(J, traceref(J, rc)->startins)); - break; - case BC_JLOOP: - rec_loop_jit(J, rc, rec_loop(J, ra)); - break; - - case BC_IFORL: - case BC_IITERL: - case BC_ILOOP: - case BC_IFUNCF: - case BC_IFUNCV: - lj_trace_err(J, LJ_TRERR_BLACKL); - break; - - case BC_JMP: - if (ra < J->maxslot) - J->maxslot = ra; /* Shrink used slots. */ - break; - - /* -- Function headers -------------------------------------------------- */ - - case BC_FUNCF: - rec_func_lua(J); - break; - case BC_JFUNCF: - rec_func_jit(J, rc); - break; - - case BC_FUNCV: - rec_func_vararg(J); - rec_func_lua(J); - break; - case BC_JFUNCV: - lua_assert(0); /* Cannot happen. No hotcall counting for varag funcs. */ - break; - - case BC_FUNCC: - case BC_FUNCCW: - lj_ffrecord_func(J); - break; - - default: - if (op >= BC__MAX) { - lj_ffrecord_func(J); - break; - } - /* fallthrough */ - case BC_ITERN: - case BC_ISNEXT: - case BC_CAT: - case BC_UCLO: - case BC_FNEW: - case BC_TSETM: - setintV(&J->errinfo, (int32_t)op); - lj_trace_err_info(J, LJ_TRERR_NYIBC); - break; - } - - /* rc == 0 if we have no result yet, e.g. pending __index metamethod call. */ - if (bcmode_a(op) == BCMdst && rc) { - J->base[ra] = rc; - if (ra >= J->maxslot) J->maxslot = ra+1; - } - -#undef rav -#undef rbv -#undef rcv - - /* Limit the number of recorded IR instructions. */ - if (J->cur.nins > REF_FIRST+(IRRef)J->param[JIT_P_maxrecord]) - lj_trace_err(J, LJ_TRERR_TRACEOV); -} - -/* -- Recording setup ----------------------------------------------------- */ - -/* Setup recording for a root trace started by a hot loop. */ -static const BCIns *rec_setup_root(jit_State *J) -{ - /* Determine the next PC and the bytecode range for the loop. */ - const BCIns *pcj, *pc = J->pc; - BCIns ins = *pc; - BCReg ra = bc_a(ins); - switch (bc_op(ins)) { - case BC_FORL: - J->bc_extent = (MSize)(-bc_j(ins))*sizeof(BCIns); - pc += 1+bc_j(ins); - J->bc_min = pc; - break; - case BC_ITERL: - lua_assert(bc_op(pc[-1]) == BC_ITERC); - J->maxslot = ra + bc_b(pc[-1]) - 1; - J->bc_extent = (MSize)(-bc_j(ins))*sizeof(BCIns); - pc += 1+bc_j(ins); - lua_assert(bc_op(pc[-1]) == BC_JMP); - J->bc_min = pc; - break; - case BC_LOOP: - /* Only check BC range for real loops, but not for "repeat until true". */ - pcj = pc + bc_j(ins); - ins = *pcj; - if (bc_op(ins) == BC_JMP && bc_j(ins) < 0) { - J->bc_min = pcj+1 + bc_j(ins); - J->bc_extent = (MSize)(-bc_j(ins))*sizeof(BCIns); - } - J->maxslot = ra; - pc++; - break; - case BC_RET: - case BC_RET0: - case BC_RET1: - /* No bytecode range check for down-recursive root traces. */ - J->maxslot = ra + bc_d(ins); - break; - case BC_FUNCF: - /* No bytecode range check for root traces started by a hot call. */ - J->maxslot = J->pt->numparams; - pc++; - break; - default: - lua_assert(0); - break; - } - return pc; -} - -/* Setup recording for a side trace. */ -static void rec_setup_side(jit_State *J, GCtrace *T) -{ - SnapShot *snap = &T->snap[J->exitno]; - SnapEntry *map = &T->snapmap[snap->mapofs]; - MSize n, nent = snap->nent; - BloomFilter seen = 0; - J->framedepth = 0; - /* Emit IR for slots inherited from parent snapshot. */ - for (n = 0; n < nent; n++) { - SnapEntry sn = map[n]; - IRRef ref = snap_ref(sn); - BCReg s = snap_slot(sn); - IRIns *ir = &T->ir[ref]; - IRType t = irt_type(ir->t); - TRef tr; - /* The bloom filter avoids O(nent^2) overhead for de-duping slots. */ - if (bloomtest(seen, ref)) { - MSize j; - for (j = 0; j < n; j++) - if (snap_ref(map[j]) == ref) { - tr = J->slot[snap_slot(map[j])]; - goto setslot; - } - } - bloomset(seen, ref); - switch ((IROp)ir->o) { - /* Only have to deal with constants that can occur in stack slots. */ - case IR_KPRI: tr = TREF_PRI(t); break; - case IR_KINT: tr = lj_ir_kint(J, ir->i); break; - case IR_KGC: tr = lj_ir_kgc(J, ir_kgc(ir), irt_t(ir->t)); break; - case IR_KNUM: tr = lj_ir_k64(J, IR_KNUM, ir_knum(ir)); break; - case IR_KINT64: tr = lj_ir_k64(J, IR_KINT64, ir_kint64(ir)); break; - case IR_KPTR: tr = lj_ir_kptr(J, ir_kptr(ir)); break; /* Continuation. */ - /* Inherited SLOADs don't need a guard or type check. */ - case IR_SLOAD: - if (LJ_SOFTFP && (sn & SNAP_SOFTFPNUM)) t = IRT_NUM; - tr = emitir_raw(IRT(IR_SLOAD, t), s, - (ir->op2&IRSLOAD_READONLY) | IRSLOAD_INHERIT|IRSLOAD_PARENT); - break; - /* Parent refs are already typed and don't need a guard. */ - default: - if (LJ_SOFTFP && (sn & SNAP_SOFTFPNUM)) t = IRT_NUM; - tr = emitir_raw(IRT(IR_SLOAD, t), s, IRSLOAD_INHERIT|IRSLOAD_PARENT); - break; - } - setslot: - J->slot[s] = tr | (sn&(SNAP_CONT|SNAP_FRAME)); /* Same as TREF_* flags. */ - J->framedepth += ((sn & (SNAP_CONT|SNAP_FRAME)) && s); - if ((sn & SNAP_FRAME)) - J->baseslot = s+1; - } - J->base = J->slot + J->baseslot; - J->maxslot = snap->nslots - J->baseslot; - lj_snap_add(J); -} - -/* Setup for recording a new trace. */ -void lj_record_setup(jit_State *J) -{ - uint32_t i; - - /* Initialize state related to current trace. */ - memset(J->slot, 0, sizeof(J->slot)); - memset(J->chain, 0, sizeof(J->chain)); - memset(J->bpropcache, 0, sizeof(J->bpropcache)); - J->scev.idx = REF_NIL; - - J->baseslot = 1; /* Invoking function is at base[-1]. */ - J->base = J->slot + J->baseslot; - J->maxslot = 0; - J->framedepth = 0; - J->retdepth = 0; - - J->instunroll = J->param[JIT_P_instunroll]; - J->loopunroll = J->param[JIT_P_loopunroll]; - J->tailcalled = 0; - J->loopref = 0; - - J->bc_min = NULL; /* Means no limit. */ - J->bc_extent = ~(MSize)0; - - /* Emit instructions for fixed references. Also triggers initial IR alloc. */ - emitir_raw(IRT(IR_BASE, IRT_P32), J->parent, J->exitno); - for (i = 0; i <= 2; i++) { - IRIns *ir = IR(REF_NIL-i); - ir->i = 0; - ir->t.irt = (uint8_t)(IRT_NIL+i); - ir->o = IR_KPRI; - ir->prev = 0; - } - J->cur.nk = REF_TRUE; - - J->startpc = J->pc; - setmref(J->cur.startpc, J->pc); - if (J->parent) { /* Side trace. */ - GCtrace *T = traceref(J, J->parent); - TraceNo root = T->root ? T->root : J->parent; - J->cur.root = (uint16_t)root; - J->cur.startins = BCINS_AD(BC_JMP, 0, 0); - /* Check whether we could at least potentially form an extra loop. */ - if (J->exitno == 0 && T->snap[0].nent == 0) { - /* We can narrow a FORL for some side traces, too. */ - if (J->pc > proto_bc(J->pt) && bc_op(J->pc[-1]) == BC_JFORI && - bc_d(J->pc[bc_j(J->pc[-1])-1]) == root) { - lj_snap_add(J); - rec_for_loop(J, J->pc-1, &J->scev, 1); - goto sidecheck; - } - } else { - J->startpc = NULL; /* Prevent forming an extra loop. */ - } - rec_setup_side(J, T); - sidecheck: - if (traceref(J, J->cur.root)->nchild >= J->param[JIT_P_maxside] || - T->snap[J->exitno].count >= J->param[JIT_P_hotexit] + - J->param[JIT_P_tryside]) { - rec_stop(J, LJ_TRLINK_INTERP, 0); - } - } else { /* Root trace. */ - J->cur.root = 0; - J->cur.startins = *J->pc; - J->pc = rec_setup_root(J); - /* Note: the loop instruction itself is recorded at the end and not - ** at the start! So snapshot #0 needs to point to the *next* instruction. - */ - lj_snap_add(J); - if (bc_op(J->cur.startins) == BC_FORL) - rec_for_loop(J, J->pc-1, &J->scev, 1); - if (1 + J->pt->framesize >= LJ_MAX_JSLOTS) - lj_trace_err(J, LJ_TRERR_STACKOV); - } -#ifdef LUAJIT_ENABLE_CHECKHOOK - /* Regularly check for instruction/line hooks from compiled code and - ** exit to the interpreter if the hooks are set. - ** - ** This is a compile-time option and disabled by default, since the - ** hook checks may be quite expensive in tight loops. - ** - ** Note this is only useful if hooks are *not* set most of the time. - ** Use this only if you want to *asynchronously* interrupt the execution. - ** - ** You can set the instruction hook via lua_sethook() with a count of 1 - ** from a signal handler or another native thread. Please have a look - ** at the first few functions in luajit.c for an example (Ctrl-C handler). - */ - { - TRef tr = emitir(IRT(IR_XLOAD, IRT_U8), - lj_ir_kptr(J, &J2G(J)->hookmask), IRXLOAD_VOLATILE); - tr = emitir(IRTI(IR_BAND), tr, lj_ir_kint(J, (LUA_MASKLINE|LUA_MASKCOUNT))); - emitir(IRTGI(IR_EQ), tr, lj_ir_kint(J, 0)); - } -#endif -} - -#undef IR -#undef emitir_raw -#undef emitir - -#endif diff --git a/libraries/luajit-2.0/src/lj_record.h b/libraries/luajit-2.0/src/lj_record.h deleted file mode 100644 index 186a25f..0000000 --- a/libraries/luajit-2.0/src/lj_record.h +++ /dev/null @@ -1,43 +0,0 @@ -/* -** Trace recorder (bytecode -> SSA IR). -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_RECORD_H -#define _LJ_RECORD_H - -#include "lj_obj.h" -#include "lj_jit.h" - -#if LJ_HASJIT -/* Context for recording an indexed load/store. */ -typedef struct RecordIndex { - TValue tabv; /* Runtime value of table (or indexed object). */ - TValue keyv; /* Runtime value of key. */ - TValue valv; /* Runtime value of stored value. */ - TValue mobjv; /* Runtime value of metamethod object. */ - GCtab *mtv; /* Runtime value of metatable object. */ - cTValue *oldv; /* Runtime value of previously stored value. */ - TRef tab; /* Table (or indexed object) reference. */ - TRef key; /* Key reference. */ - TRef val; /* Value reference for a store or 0 for a load. */ - TRef mt; /* Metatable reference. */ - TRef mobj; /* Metamethod object reference. */ - int idxchain; /* Index indirections left or 0 for raw lookup. */ -} RecordIndex; - -LJ_FUNC int lj_record_objcmp(jit_State *J, TRef a, TRef b, - cTValue *av, cTValue *bv); - -LJ_FUNC void lj_record_call(jit_State *J, BCReg func, ptrdiff_t nargs); -LJ_FUNC void lj_record_tailcall(jit_State *J, BCReg func, ptrdiff_t nargs); -LJ_FUNC void lj_record_ret(jit_State *J, BCReg rbase, ptrdiff_t gotresults); - -LJ_FUNC int lj_record_mm_lookup(jit_State *J, RecordIndex *ix, MMS mm); -LJ_FUNC TRef lj_record_idx(jit_State *J, RecordIndex *ix); - -LJ_FUNC void lj_record_ins(jit_State *J); -LJ_FUNC void lj_record_setup(jit_State *J); -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_snap.c b/libraries/luajit-2.0/src/lj_snap.c deleted file mode 100644 index 10fd6af..0000000 --- a/libraries/luajit-2.0/src/lj_snap.c +++ /dev/null @@ -1,446 +0,0 @@ -/* -** Snapshot handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_snap_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_gc.h" -#include "lj_state.h" -#include "lj_frame.h" -#include "lj_bc.h" -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_iropt.h" -#include "lj_trace.h" -#include "lj_snap.h" -#include "lj_target.h" - -/* Some local macros to save typing. Undef'd at the end. */ -#define IR(ref) (&J->cur.ir[(ref)]) - -/* -- Snapshot buffer allocation ------------------------------------------ */ - -/* Grow snapshot buffer. */ -void lj_snap_grow_buf_(jit_State *J, MSize need) -{ - MSize maxsnap = (MSize)J->param[JIT_P_maxsnap]; - if (need > maxsnap) - lj_trace_err(J, LJ_TRERR_SNAPOV); - lj_mem_growvec(J->L, J->snapbuf, J->sizesnap, maxsnap, SnapShot); - J->cur.snap = J->snapbuf; -} - -/* Grow snapshot map buffer. */ -void lj_snap_grow_map_(jit_State *J, MSize need) -{ - if (need < 2*J->sizesnapmap) - need = 2*J->sizesnapmap; - else if (need < 64) - need = 64; - J->snapmapbuf = (SnapEntry *)lj_mem_realloc(J->L, J->snapmapbuf, - J->sizesnapmap*sizeof(SnapEntry), need*sizeof(SnapEntry)); - J->cur.snapmap = J->snapmapbuf; - J->sizesnapmap = need; -} - -/* -- Snapshot generation ------------------------------------------------- */ - -/* Add all modified slots to the snapshot. */ -static MSize snapshot_slots(jit_State *J, SnapEntry *map, BCReg nslots) -{ - IRRef retf = J->chain[IR_RETF]; /* Limits SLOAD restore elimination. */ - BCReg s; - MSize n = 0; - for (s = 0; s < nslots; s++) { - TRef tr = J->slot[s]; - IRRef ref = tref_ref(tr); - if (ref) { - SnapEntry sn = SNAP_TR(s, tr); - IRIns *ir = IR(ref); - if (!(sn & (SNAP_CONT|SNAP_FRAME)) && - ir->o == IR_SLOAD && ir->op1 == s && ref > retf) { - /* No need to snapshot unmodified non-inherited slots. */ - if (!(ir->op2 & IRSLOAD_INHERIT)) - continue; - /* No need to restore readonly slots and unmodified non-parent slots. */ - if (!(LJ_DUALNUM && (ir->op2 & IRSLOAD_CONVERT)) && - (ir->op2 & (IRSLOAD_READONLY|IRSLOAD_PARENT)) != IRSLOAD_PARENT) - sn |= SNAP_NORESTORE; - } - if (LJ_SOFTFP && irt_isnum(ir->t)) - sn |= SNAP_SOFTFPNUM; - map[n++] = sn; - } - } - return n; -} - -/* Add frame links at the end of the snapshot. */ -static BCReg snapshot_framelinks(jit_State *J, SnapEntry *map) -{ - cTValue *frame = J->L->base - 1; - cTValue *lim = J->L->base - J->baseslot; - cTValue *ftop = frame + funcproto(frame_func(frame))->framesize; - MSize f = 0; - map[f++] = SNAP_MKPC(J->pc); /* The current PC is always the first entry. */ - while (frame > lim) { /* Backwards traversal of all frames above base. */ - if (frame_islua(frame)) { - map[f++] = SNAP_MKPC(frame_pc(frame)); - frame = frame_prevl(frame); - if (frame + funcproto(frame_func(frame))->framesize > ftop) - ftop = frame + funcproto(frame_func(frame))->framesize; - } else if (frame_iscont(frame)) { - map[f++] = SNAP_MKFTSZ(frame_ftsz(frame)); - map[f++] = SNAP_MKPC(frame_contpc(frame)); - frame = frame_prevd(frame); - } else { - lua_assert(!frame_isc(frame)); - map[f++] = SNAP_MKFTSZ(frame_ftsz(frame)); - frame = frame_prevd(frame); - } - } - lua_assert(f == (MSize)(1 + J->framedepth)); - return (BCReg)(ftop - lim); -} - -/* Take a snapshot of the current stack. */ -static void snapshot_stack(jit_State *J, SnapShot *snap, MSize nsnapmap) -{ - BCReg nslots = J->baseslot + J->maxslot; - MSize nent; - SnapEntry *p; - /* Conservative estimate. */ - lj_snap_grow_map(J, nsnapmap + nslots + (MSize)J->framedepth+1); - p = &J->cur.snapmap[nsnapmap]; - nent = snapshot_slots(J, p, nslots); - snap->topslot = (uint8_t)snapshot_framelinks(J, p + nent); - snap->mapofs = (uint16_t)nsnapmap; - snap->ref = (IRRef1)J->cur.nins; - snap->nent = (uint8_t)nent; - snap->nslots = (uint8_t)nslots; - snap->count = 0; - J->cur.nsnapmap = (uint16_t)(nsnapmap + nent + 1 + J->framedepth); -} - -/* Add or merge a snapshot. */ -void lj_snap_add(jit_State *J) -{ - MSize nsnap = J->cur.nsnap; - MSize nsnapmap = J->cur.nsnapmap; - /* Merge if no ins. inbetween or if requested and no guard inbetween. */ - if (J->mergesnap ? !irt_isguard(J->guardemit) : - (nsnap > 0 && J->cur.snap[nsnap-1].ref == J->cur.nins)) { - nsnapmap = J->cur.snap[--nsnap].mapofs; - } else { - lj_snap_grow_buf(J, nsnap+1); - J->cur.nsnap = (uint16_t)(nsnap+1); - } - J->mergesnap = 0; - J->guardemit.irt = 0; - snapshot_stack(J, &J->cur.snap[nsnap], nsnapmap); -} - -/* -- Snapshot modification ----------------------------------------------- */ - -#define SNAP_USEDEF_SLOTS (LJ_MAX_JSLOTS+LJ_STACK_EXTRA) - -/* Find unused slots with reaching-definitions bytecode data-flow analysis. */ -static BCReg snap_usedef(jit_State *J, uint8_t *udf, - const BCIns *pc, BCReg maxslot) -{ - BCReg s; - GCobj *o; - - if (maxslot == 0) return 0; -#ifdef LUAJIT_USE_VALGRIND - /* Avoid errors for harmless reads beyond maxslot. */ - memset(udf, 1, SNAP_USEDEF_SLOTS); -#else - memset(udf, 1, maxslot); -#endif - - /* Treat open upvalues as used. */ - o = gcref(J->L->openupval); - while (o) { - if (uvval(gco2uv(o)) < J->L->base) break; - udf[uvval(gco2uv(o)) - J->L->base] = 0; - o = gcref(o->gch.nextgc); - } - -#define USE_SLOT(s) udf[(s)] &= ~1 -#define DEF_SLOT(s) udf[(s)] *= 3 - - /* Scan through following bytecode and check for uses/defs. */ - lua_assert(pc >= proto_bc(J->pt) && pc < proto_bc(J->pt) + J->pt->sizebc); - for (;;) { - BCIns ins = *pc++; - BCOp op = bc_op(ins); - switch (bcmode_b(op)) { - case BCMvar: USE_SLOT(bc_b(ins)); break; - default: break; - } - switch (bcmode_c(op)) { - case BCMvar: USE_SLOT(bc_c(ins)); break; - case BCMrbase: - lua_assert(op == BC_CAT); - for (s = bc_b(ins); s <= bc_c(ins); s++) USE_SLOT(s); - for (; s < maxslot; s++) DEF_SLOT(s); - break; - case BCMjump: - handle_jump: { - BCReg minslot = bc_a(ins); - if (op >= BC_FORI && op <= BC_JFORL) minslot += FORL_EXT; - else if (op >= BC_ITERL && op <= BC_JITERL) minslot += bc_b(pc[-2])-1; - else if (op == BC_UCLO) { pc += bc_j(ins); break; } - for (s = minslot; s < maxslot; s++) DEF_SLOT(s); - return minslot < maxslot ? minslot : maxslot; - } - case BCMlit: - if (op == BC_JFORL || op == BC_JITERL || op == BC_JLOOP) { - goto handle_jump; - } else if (bc_isret(op)) { - BCReg top = op == BC_RETM ? maxslot : (bc_a(ins) + bc_d(ins)-1); - for (s = 0; s < bc_a(ins); s++) DEF_SLOT(s); - for (; s < top; s++) USE_SLOT(s); - for (; s < maxslot; s++) DEF_SLOT(s); - return 0; - } - break; - case BCMfunc: return maxslot; /* NYI: will abort, anyway. */ - default: break; - } - switch (bcmode_a(op)) { - case BCMvar: USE_SLOT(bc_a(ins)); break; - case BCMdst: - if (!(op == BC_ISTC || op == BC_ISFC)) DEF_SLOT(bc_a(ins)); - break; - case BCMbase: - if (op >= BC_CALLM && op <= BC_VARG) { - BCReg top = (op == BC_CALLM || op == BC_CALLMT || bc_c(ins) == 0) ? - maxslot : (bc_a(ins) + bc_c(ins)); - s = bc_a(ins) - ((op == BC_ITERC || op == BC_ITERN) ? 3 : 0); - for (; s < top; s++) USE_SLOT(s); - for (; s < maxslot; s++) DEF_SLOT(s); - if (op == BC_CALLT || op == BC_CALLMT) { - for (s = 0; s < bc_a(ins); s++) DEF_SLOT(s); - return 0; - } - } else if (op == BC_KNIL) { - for (s = bc_a(ins); s <= bc_d(ins); s++) DEF_SLOT(s); - } else if (op == BC_TSETM) { - for (s = bc_a(ins)-1; s < maxslot; s++) USE_SLOT(s); - } - break; - default: break; - } - lua_assert(pc >= proto_bc(J->pt) && pc < proto_bc(J->pt) + J->pt->sizebc); - } - -#undef USE_SLOT -#undef DEF_SLOT - - return 0; /* unreachable */ -} - -/* Purge dead slots before the next snapshot. */ -void lj_snap_purge(jit_State *J) -{ - uint8_t udf[SNAP_USEDEF_SLOTS]; - BCReg maxslot = J->maxslot; - BCReg s = snap_usedef(J, udf, J->pc, maxslot); - for (; s < maxslot; s++) - if (udf[s] != 0) - J->base[s] = 0; /* Purge dead slots. */ -} - -/* Shrink last snapshot. */ -void lj_snap_shrink(jit_State *J) -{ - SnapShot *snap = &J->cur.snap[J->cur.nsnap-1]; - SnapEntry *map = &J->cur.snapmap[snap->mapofs]; - MSize n, m, nlim, nent = snap->nent; - uint8_t udf[SNAP_USEDEF_SLOTS]; - BCReg maxslot = J->maxslot; - BCReg minslot = snap_usedef(J, udf, snap_pc(map[nent]), maxslot); - BCReg baseslot = J->baseslot; - maxslot += baseslot; - minslot += baseslot; - snap->nslots = (uint8_t)maxslot; - for (n = m = 0; n < nent; n++) { /* Remove unused slots from snapshot. */ - BCReg s = snap_slot(map[n]); - if (s < minslot || (s < maxslot && udf[s-baseslot] == 0)) - map[m++] = map[n]; /* Only copy used slots. */ - } - snap->nent = (uint8_t)m; - nlim = J->cur.nsnapmap - snap->mapofs - 1; - while (n <= nlim) map[m++] = map[n++]; /* Move PC + frame links down. */ - J->cur.nsnapmap = (uint16_t)(snap->mapofs + m); /* Free up space in map. */ -} - -/* -- Snapshot access ----------------------------------------------------- */ - -/* Initialize a Bloom Filter with all renamed refs. -** There are very few renames (often none), so the filter has -** very few bits set. This makes it suitable for negative filtering. -*/ -static BloomFilter snap_renamefilter(GCtrace *T, SnapNo lim) -{ - BloomFilter rfilt = 0; - IRIns *ir; - for (ir = &T->ir[T->nins-1]; ir->o == IR_RENAME; ir--) - if (ir->op2 <= lim) - bloomset(rfilt, ir->op1); - return rfilt; -} - -/* Process matching renames to find the original RegSP. */ -static RegSP snap_renameref(GCtrace *T, SnapNo lim, IRRef ref, RegSP rs) -{ - IRIns *ir; - for (ir = &T->ir[T->nins-1]; ir->o == IR_RENAME; ir--) - if (ir->op1 == ref && ir->op2 <= lim) - rs = ir->prev; - return rs; -} - -/* Convert a snapshot into a linear slot -> RegSP map. -** Note: unused slots are not initialized! -*/ -void lj_snap_regspmap(uint16_t *rsmap, GCtrace *T, SnapNo snapno, int hi) -{ - SnapShot *snap = &T->snap[snapno]; - MSize n, nent = snap->nent; - SnapEntry *map = &T->snapmap[snap->mapofs]; - BloomFilter rfilt = snap_renamefilter(T, snapno); - for (n = 0; n < nent; n++) { - SnapEntry sn = map[n]; - IRRef ref = snap_ref(sn); - if (!irref_isk(ref) && - ((LJ_SOFTFP && hi) ? (ref++, (sn & SNAP_SOFTFPNUM)) : 1)) { - IRIns *ir = &T->ir[ref]; - uint32_t rs = ir->prev; - if (bloomtest(rfilt, ref)) - rs = snap_renameref(T, snapno, ref, rs); - rsmap[snap_slot(sn)] = (uint16_t)rs; - } - } -} - -/* Restore interpreter state from exit state with the help of a snapshot. */ -const BCIns *lj_snap_restore(jit_State *J, void *exptr) -{ - ExitState *ex = (ExitState *)exptr; - SnapNo snapno = J->exitno; /* For now, snapno == exitno. */ - GCtrace *T = traceref(J, J->parent); - SnapShot *snap = &T->snap[snapno]; - MSize n, nent = snap->nent; - SnapEntry *map = &T->snapmap[snap->mapofs]; - SnapEntry *flinks = &T->snapmap[snap_nextofs(T, snap)-1]; - int32_t ftsz0; - TValue *frame; - BloomFilter rfilt = snap_renamefilter(T, snapno); - const BCIns *pc = snap_pc(map[nent]); - lua_State *L = J->L; - - /* Set interpreter PC to the next PC to get correct error messages. */ - setcframe_pc(cframe_raw(L->cframe), pc+1); - - /* Make sure the stack is big enough for the slots from the snapshot. */ - if (LJ_UNLIKELY(L->base + snap->topslot >= tvref(L->maxstack))) { - L->top = curr_topL(L); - lj_state_growstack(L, snap->topslot - curr_proto(L)->framesize); - } - - /* Fill stack slots with data from the registers and spill slots. */ - frame = L->base-1; - ftsz0 = frame_ftsz(frame); /* Preserve link to previous frame in slot #0. */ - for (n = 0; n < nent; n++) { - SnapEntry sn = map[n]; - IRRef ref = snap_ref(sn); - BCReg s = snap_slot(sn); - TValue *o = &frame[s]; /* Stack slots are relative to start frame. */ - IRIns *ir = &T->ir[ref]; - if (irref_isk(ref)) { /* Restore constant slot. */ - lj_ir_kvalue(L, o, ir); - } else if (!(sn & SNAP_NORESTORE)) { - IRType1 t = ir->t; - RegSP rs = ir->prev; - if (LJ_UNLIKELY(bloomtest(rfilt, ref))) - rs = snap_renameref(T, snapno, ref, rs); - if (ra_hasspill(regsp_spill(rs))) { /* Restore from spill slot. */ - int32_t *sps = &ex->spill[regsp_spill(rs)]; - if (LJ_SOFTFP && (sn & SNAP_SOFTFPNUM)) { - o->u32.lo = (uint32_t)*sps; - } else if (irt_isinteger(t)) { - setintV(o, *sps); -#if !LJ_SOFTFP - } else if (irt_isnum(t)) { - o->u64 = *(uint64_t *)sps; -#endif -#if LJ_64 - } else if (irt_islightud(t)) { - /* 64 bit lightuserdata which may escape already has the tag bits. */ - o->u64 = *(uint64_t *)sps; -#endif - } else { - lua_assert(!irt_ispri(t)); /* PRI refs never have a spill slot. */ - setgcrefi(o->gcr, *sps); - setitype(o, irt_toitype(t)); - } - } else { /* Restore from register. */ - Reg r = regsp_reg(rs); - lua_assert(ra_hasreg(r)); - if (LJ_SOFTFP && (sn & SNAP_SOFTFPNUM)) { - o->u32.lo = (uint32_t)ex->gpr[r-RID_MIN_GPR]; - } else if (irt_isinteger(t)) { - setintV(o, (int32_t)ex->gpr[r-RID_MIN_GPR]); -#if !LJ_SOFTFP - } else if (irt_isnum(t)) { - setnumV(o, ex->fpr[r-RID_MIN_FPR]); -#endif -#if LJ_64 - } else if (irt_islightud(t)) { - /* 64 bit lightuserdata which may escape already has the tag bits. */ - o->u64 = ex->gpr[r-RID_MIN_GPR]; -#endif - } else { - if (!irt_ispri(t)) - setgcrefi(o->gcr, ex->gpr[r-RID_MIN_GPR]); - setitype(o, irt_toitype(t)); - } - } - if (LJ_SOFTFP && (sn & SNAP_SOFTFPNUM)) { - rs = (ir+1)->prev; - if (LJ_UNLIKELY(bloomtest(rfilt, ref+1))) - rs = snap_renameref(T, snapno, ref+1, rs); - o->u32.hi = (ra_hasspill(regsp_spill(rs))) ? - (uint32_t)*&ex->spill[regsp_spill(rs)] : - (uint32_t)ex->gpr[regsp_reg(rs)-RID_MIN_GPR]; - } - } - if ((sn & (SNAP_CONT|SNAP_FRAME))) { /* Overwrite tag with frame link. */ - o->fr.tp.ftsz = s != 0 ? (int32_t)*flinks-- : ftsz0; - L->base = o+1; - } - } - switch (bc_op(*pc)) { - case BC_CALLM: case BC_CALLMT: case BC_RETM: case BC_TSETM: - L->top = frame + snap->nslots; - break; - default: - L->top = curr_topL(L); - break; - } - lua_assert(map + nent == flinks); - return pc; -} - -#undef IR - -#endif diff --git a/libraries/luajit-2.0/src/lj_snap.h b/libraries/luajit-2.0/src/lj_snap.h deleted file mode 100644 index da9813b..0000000 --- a/libraries/luajit-2.0/src/lj_snap.h +++ /dev/null @@ -1,34 +0,0 @@ -/* -** Snapshot handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_SNAP_H -#define _LJ_SNAP_H - -#include "lj_obj.h" -#include "lj_jit.h" - -#if LJ_HASJIT -LJ_FUNC void lj_snap_add(jit_State *J); -LJ_FUNC void lj_snap_purge(jit_State *J); -LJ_FUNC void lj_snap_shrink(jit_State *J); -LJ_FUNC void lj_snap_regspmap(uint16_t *rsmap, GCtrace *T, SnapNo snapno, - int hi); -LJ_FUNC const BCIns *lj_snap_restore(jit_State *J, void *exptr); -LJ_FUNC void lj_snap_grow_buf_(jit_State *J, MSize need); -LJ_FUNC void lj_snap_grow_map_(jit_State *J, MSize need); - -static LJ_AINLINE void lj_snap_grow_buf(jit_State *J, MSize need) -{ - if (LJ_UNLIKELY(need > J->sizesnap)) lj_snap_grow_buf_(J, need); -} - -static LJ_AINLINE void lj_snap_grow_map(jit_State *J, MSize need) -{ - if (LJ_UNLIKELY(need > J->sizesnapmap)) lj_snap_grow_map_(J, need); -} - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_state.c b/libraries/luajit-2.0/src/lj_state.c deleted file mode 100644 index 49f2d6b..0000000 --- a/libraries/luajit-2.0/src/lj_state.c +++ /dev/null @@ -1,280 +0,0 @@ -/* -** State and stack handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#define lj_state_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_func.h" -#include "lj_meta.h" -#include "lj_state.h" -#include "lj_frame.h" -#if LJ_HASFFI -#include "lj_ctype.h" -#endif -#include "lj_trace.h" -#include "lj_dispatch.h" -#include "lj_vm.h" -#include "lj_lex.h" -#include "lj_alloc.h" - -/* -- Stack handling ------------------------------------------------------ */ - -/* Stack sizes. */ -#define LJ_STACK_MIN LUA_MINSTACK /* Min. stack size. */ -#define LJ_STACK_MAX LUAI_MAXSTACK /* Max. stack size. */ -#define LJ_STACK_START (2*LJ_STACK_MIN) /* Starting stack size. */ -#define LJ_STACK_MAXEX (LJ_STACK_MAX + 1 + LJ_STACK_EXTRA) - -/* Explanation of LJ_STACK_EXTRA: -** -** Calls to metamethods store their arguments beyond the current top -** without checking for the stack limit. This avoids stack resizes which -** would invalidate passed TValue pointers. The stack check is performed -** later by the function header. This can safely resize the stack or raise -** an error. Thus we need some extra slots beyond the current stack limit. -** -** Most metamethods need 4 slots above top (cont, mobj, arg1, arg2) plus -** one extra slot if mobj is not a function. Only lj_meta_tset needs 5 -** slots above top, but then mobj is always a function. So we can get by -** with 5 extra slots. -*/ - -/* Resize stack slots and adjust pointers in state. */ -static void resizestack(lua_State *L, MSize n) -{ - TValue *st, *oldst = tvref(L->stack); - ptrdiff_t delta; - MSize oldsize = L->stacksize; - MSize realsize = n + 1 + LJ_STACK_EXTRA; - GCobj *up; - lua_assert((MSize)(tvref(L->maxstack)-oldst)==L->stacksize-LJ_STACK_EXTRA-1); - st = (TValue *)lj_mem_realloc(L, tvref(L->stack), - (MSize)(L->stacksize*sizeof(TValue)), - (MSize)(realsize*sizeof(TValue))); - setmref(L->stack, st); - delta = (char *)st - (char *)oldst; - setmref(L->maxstack, st + n); - while (oldsize < realsize) /* Clear new slots. */ - setnilV(st + oldsize++); - L->stacksize = realsize; - L->base = (TValue *)((char *)L->base + delta); - L->top = (TValue *)((char *)L->top + delta); - for (up = gcref(L->openupval); up != NULL; up = gcnext(up)) - setmref(gco2uv(up)->v, (TValue *)((char *)uvval(gco2uv(up)) + delta)); - if (obj2gco(L) == gcref(G(L)->jit_L)) - setmref(G(L)->jit_base, mref(G(L)->jit_base, char) + delta); -} - -/* Relimit stack after error, in case the limit was overdrawn. */ -void lj_state_relimitstack(lua_State *L) -{ - if (L->stacksize > LJ_STACK_MAXEX && L->top-tvref(L->stack) < LJ_STACK_MAX-1) - resizestack(L, LJ_STACK_MAX); -} - -/* Try to shrink the stack (called from GC). */ -void lj_state_shrinkstack(lua_State *L, MSize used) -{ - if (L->stacksize > LJ_STACK_MAXEX) - return; /* Avoid stack shrinking while handling stack overflow. */ - if (4*used < L->stacksize && - 2*(LJ_STACK_START+LJ_STACK_EXTRA) < L->stacksize && - obj2gco(L) != gcref(G(L)->jit_L)) /* Don't shrink stack of live trace. */ - resizestack(L, L->stacksize >> 1); -} - -/* Try to grow stack. */ -void LJ_FASTCALL lj_state_growstack(lua_State *L, MSize need) -{ - MSize n; - if (L->stacksize > LJ_STACK_MAXEX) /* Overflow while handling overflow? */ - lj_err_throw(L, LUA_ERRERR); - n = L->stacksize + need; - if (n > LJ_STACK_MAX) { - n += 2*LUA_MINSTACK; - } else if (n < 2*L->stacksize) { - n = 2*L->stacksize; - if (n >= LJ_STACK_MAX) - n = LJ_STACK_MAX; - } - resizestack(L, n); - if (L->stacksize > LJ_STACK_MAXEX) - lj_err_msg(L, LJ_ERR_STKOV); -} - -void LJ_FASTCALL lj_state_growstack1(lua_State *L) -{ - lj_state_growstack(L, 1); -} - -/* Allocate basic stack for new state. */ -static void stack_init(lua_State *L1, lua_State *L) -{ - TValue *stend, *st = lj_mem_newvec(L, LJ_STACK_START+LJ_STACK_EXTRA, TValue); - setmref(L1->stack, st); - L1->stacksize = LJ_STACK_START + LJ_STACK_EXTRA; - stend = st + L1->stacksize; - setmref(L1->maxstack, stend - LJ_STACK_EXTRA - 1); - L1->base = L1->top = st+1; - setthreadV(L1, st, L1); /* Needed for curr_funcisL() on empty stack. */ - while (st < stend) /* Clear new slots. */ - setnilV(st++); -} - -/* -- State handling ------------------------------------------------------ */ - -/* Open parts that may cause memory-allocation errors. */ -static TValue *cpluaopen(lua_State *L, lua_CFunction dummy, void *ud) -{ - global_State *g = G(L); - UNUSED(dummy); - UNUSED(ud); - stack_init(L, L); - /* NOBARRIER: State initialization, all objects are white. */ - setgcref(L->env, obj2gco(lj_tab_new(L, 0, LJ_MIN_GLOBAL))); - settabV(L, registry(L), lj_tab_new(L, 0, LJ_MIN_REGISTRY)); - lj_str_resize(L, LJ_MIN_STRTAB-1); - lj_meta_init(L); - lj_lex_init(L); - fixstring(lj_err_str(L, LJ_ERR_ERRMEM)); /* Preallocate memory error msg. */ - g->gc.threshold = 4*g->gc.total; - lj_trace_initstate(g); - return NULL; -} - -static void close_state(lua_State *L) -{ - global_State *g = G(L); - lj_func_closeuv(L, tvref(L->stack)); - lj_gc_freeall(g); - lua_assert(gcref(g->gc.root) == obj2gco(L)); - lua_assert(g->strnum == 0); - lj_trace_freestate(g); -#if LJ_HASFFI - lj_ctype_freestate(g); -#endif - lj_mem_freevec(g, g->strhash, g->strmask+1, GCRef); - lj_str_freebuf(g, &g->tmpbuf); - lj_mem_freevec(g, tvref(L->stack), L->stacksize, TValue); - lua_assert(g->gc.total == sizeof(GG_State)); -#ifndef LUAJIT_USE_SYSMALLOC - if (g->allocf == lj_alloc_f) - lj_alloc_destroy(g->allocd); - else -#endif - g->allocf(g->allocd, G2GG(g), sizeof(GG_State), 0); -} - -#if LJ_64 -lua_State *lj_state_newstate(lua_Alloc f, void *ud) -#else -LUA_API lua_State *lua_newstate(lua_Alloc f, void *ud) -#endif -{ - GG_State *GG = (GG_State *)f(ud, NULL, 0, sizeof(GG_State)); - lua_State *L = &GG->L; - global_State *g = &GG->g; - if (GG == NULL || !checkptr32(GG)) return NULL; - memset(GG, 0, sizeof(GG_State)); - L->gct = ~LJ_TTHREAD; - L->marked = LJ_GC_WHITE0 | LJ_GC_FIXED | LJ_GC_SFIXED; /* Prevent free. */ - L->dummy_ffid = FF_C; - setmref(L->glref, g); - g->gc.currentwhite = LJ_GC_WHITE0 | LJ_GC_FIXED; - g->strempty.marked = LJ_GC_WHITE0; - g->strempty.gct = ~LJ_TSTR; - g->allocf = f; - g->allocd = ud; - setgcref(g->mainthref, obj2gco(L)); - setgcref(g->uvhead.prev, obj2gco(&g->uvhead)); - setgcref(g->uvhead.next, obj2gco(&g->uvhead)); - g->strmask = ~(MSize)0; - setnilV(registry(L)); - setnilV(&g->nilnode.val); - setnilV(&g->nilnode.key); - setmref(g->nilnode.freetop, &g->nilnode); - lj_str_initbuf(&g->tmpbuf); - g->gc.state = GCSpause; - setgcref(g->gc.root, obj2gco(L)); - setmref(g->gc.sweep, &g->gc.root); - g->gc.total = sizeof(GG_State); - g->gc.pause = LUAI_GCPAUSE; - g->gc.stepmul = LUAI_GCMUL; - lj_dispatch_init((GG_State *)L); - L->status = LUA_ERRERR+1; /* Avoid touching the stack upon memory error. */ - if (lj_vm_cpcall(L, NULL, NULL, cpluaopen) != 0) { - /* Memory allocation error: free partial state. */ - close_state(L); - return NULL; - } - L->status = 0; - return L; -} - -static TValue *cpfinalize(lua_State *L, lua_CFunction dummy, void *ud) -{ - UNUSED(dummy); - UNUSED(ud); - lj_gc_finalize_udata(L); - lj_gc_finalize_cdata(L); - /* Frame pop omitted. */ - return NULL; -} - -LUA_API void lua_close(lua_State *L) -{ - global_State *g = G(L); - L = mainthread(g); /* Only the main thread can be closed. */ - lj_func_closeuv(L, tvref(L->stack)); - lj_gc_separateudata(g, 1); /* Separate udata which have GC metamethods. */ -#if LJ_HASJIT - G2J(g)->flags &= ~JIT_F_ON; - G2J(g)->state = LJ_TRACE_IDLE; - lj_dispatch_update(g); -#endif - do { - hook_enter(g); - L->status = 0; - L->cframe = NULL; - L->base = L->top = tvref(L->stack) + 1; - } while (lj_vm_cpcall(L, NULL, NULL, cpfinalize) != 0); - close_state(L); -} - -lua_State *lj_state_new(lua_State *L) -{ - lua_State *L1 = lj_mem_newobj(L, lua_State); - L1->gct = ~LJ_TTHREAD; - L1->dummy_ffid = FF_C; - L1->status = 0; - L1->stacksize = 0; - setmref(L1->stack, NULL); - L1->cframe = NULL; - /* NOBARRIER: The lua_State is new (marked white). */ - setgcrefnull(L1->openupval); - setmrefr(L1->glref, L->glref); - setgcrefr(L1->env, L->env); - stack_init(L1, L); /* init stack */ - lua_assert(iswhite(obj2gco(L1))); - return L1; -} - -void LJ_FASTCALL lj_state_free(global_State *g, lua_State *L) -{ - lua_assert(L != mainthread(g)); - lj_func_closeuv(L, tvref(L->stack)); - lua_assert(gcref(L->openupval) == NULL); - lj_mem_freevec(g, tvref(L->stack), L->stacksize, TValue); - lj_mem_freet(g, L); -} - diff --git a/libraries/luajit-2.0/src/lj_state.h b/libraries/luajit-2.0/src/lj_state.h deleted file mode 100644 index 75b8dc8..0000000 --- a/libraries/luajit-2.0/src/lj_state.h +++ /dev/null @@ -1,35 +0,0 @@ -/* -** State and stack handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_STATE_H -#define _LJ_STATE_H - -#include "lj_obj.h" - -#define incr_top(L) \ - (++L->top >= tvref(L->maxstack) && (lj_state_growstack1(L), 0)) - -#define savestack(L, p) ((char *)(p) - mref(L->stack, char)) -#define restorestack(L, n) ((TValue *)(mref(L->stack, char) + (n))) - -LJ_FUNC void lj_state_relimitstack(lua_State *L); -LJ_FUNC void lj_state_shrinkstack(lua_State *L, MSize used); -LJ_FUNCA void LJ_FASTCALL lj_state_growstack(lua_State *L, MSize need); -LJ_FUNC void LJ_FASTCALL lj_state_growstack1(lua_State *L); - -static LJ_AINLINE void lj_state_checkstack(lua_State *L, MSize need) -{ - if ((mref(L->maxstack, char) - (char *)L->top) <= - (ptrdiff_t)need*(ptrdiff_t)sizeof(TValue)) - lj_state_growstack(L, need); -} - -LJ_FUNC lua_State *lj_state_new(lua_State *L); -LJ_FUNC void LJ_FASTCALL lj_state_free(global_State *g, lua_State *L); -#if LJ_64 -LJ_FUNC lua_State *lj_state_newstate(lua_Alloc f, void *ud); -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_str.c b/libraries/luajit-2.0/src/lj_str.c deleted file mode 100644 index cd3a8b6..0000000 --- a/libraries/luajit-2.0/src/lj_str.c +++ /dev/null @@ -1,415 +0,0 @@ -/* -** String handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#include - -#define lj_str_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_str.h" -#include "lj_state.h" -#include "lj_char.h" - -/* -- String interning ---------------------------------------------------- */ - -/* Ordered compare of strings. Assumes string data is 4-byte aligned. */ -int32_t LJ_FASTCALL lj_str_cmp(GCstr *a, GCstr *b) -{ - MSize i, n = a->len > b->len ? b->len : a->len; - for (i = 0; i < n; i += 4) { - /* Note: innocuous access up to end of string + 3. */ - uint32_t va = *(const uint32_t *)(strdata(a)+i); - uint32_t vb = *(const uint32_t *)(strdata(b)+i); - if (va != vb) { -#if LJ_LE - va = lj_bswap(va); vb = lj_bswap(vb); -#endif - i -= n; - if ((int32_t)i >= -3) { - va >>= 32+(i<<3); vb >>= 32+(i<<3); - if (va == vb) break; - } - return va < vb ? -1 : 1; - } - } - return (int32_t)(a->len - b->len); -} - -/* Fast string data comparison. Caveat: unaligned access to 1st string! */ -static LJ_AINLINE int str_fastcmp(const char *a, const char *b, MSize len) -{ - MSize i = 0; - lua_assert(len > 0); - lua_assert((((uintptr_t)a + len) & (LJ_PAGESIZE-1)) <= LJ_PAGESIZE-4); - do { /* Note: innocuous access up to end of string + 3. */ - uint32_t v = lj_getu32(a+i) ^ *(const uint32_t *)(b+i); - if (v) { - i -= len; -#if LJ_LE - return (int32_t)i >= -3 ? (v << (32+(i<<3))) : 1; -#else - return (int32_t)i >= -3 ? (v >> (32+(i<<3))) : 1; -#endif - } - i += 4; - } while (i < len); - return 0; -} - -/* Resize the string hash table (grow and shrink). */ -void lj_str_resize(lua_State *L, MSize newmask) -{ - global_State *g = G(L); - GCRef *newhash; - MSize i; - if (g->gc.state == GCSsweepstring || newmask >= LJ_MAX_STRTAB-1) - return; /* No resizing during GC traversal or if already too big. */ - newhash = lj_mem_newvec(L, newmask+1, GCRef); - memset(newhash, 0, (newmask+1)*sizeof(GCRef)); - for (i = g->strmask; i != ~(MSize)0; i--) { /* Rehash old table. */ - GCobj *p = gcref(g->strhash[i]); - while (p) { /* Follow each hash chain and reinsert all strings. */ - MSize h = gco2str(p)->hash & newmask; - GCobj *next = gcnext(p); - /* NOBARRIER: The string table is a GC root. */ - setgcrefr(p->gch.nextgc, newhash[h]); - setgcref(newhash[h], p); - p = next; - } - } - lj_mem_freevec(g, g->strhash, g->strmask+1, GCRef); - g->strmask = newmask; - g->strhash = newhash; -} - -/* Intern a string and return string object. */ -GCstr *lj_str_new(lua_State *L, const char *str, size_t lenx) -{ - global_State *g; - GCstr *s; - GCobj *o; - MSize len = (MSize)lenx; - MSize a, b, h = len; - if (lenx >= LJ_MAX_STR) - lj_err_msg(L, LJ_ERR_STROV); - g = G(L); - /* Compute string hash. Constants taken from lookup3 hash by Bob Jenkins. */ - if (len >= 4) { /* Caveat: unaligned access! */ - a = lj_getu32(str); - h ^= lj_getu32(str+len-4); - b = lj_getu32(str+(len>>1)-2); - h ^= b; h -= lj_rol(b, 14); - b += lj_getu32(str+(len>>2)-1); - } else if (len > 0) { - a = *(const uint8_t *)str; - h ^= *(const uint8_t *)(str+len-1); - b = *(const uint8_t *)(str+(len>>1)); - h ^= b; h -= lj_rol(b, 14); - } else { - return &g->strempty; - } - a ^= h; a -= lj_rol(h, 11); - b ^= a; b -= lj_rol(a, 25); - h ^= b; h -= lj_rol(b, 16); - /* Check if the string has already been interned. */ - o = gcref(g->strhash[h & g->strmask]); - if (LJ_LIKELY((((uintptr_t)str + len) & (LJ_PAGESIZE-1)) <= LJ_PAGESIZE-4)) { - while (o != NULL) { - GCstr *sx = gco2str(o); - if (sx->len == len && str_fastcmp(str, strdata(sx), len) == 0) { - /* Resurrect if dead. Can only happen with fixstring() (keywords). */ - if (isdead(g, o)) flipwhite(o); - return sx; /* Return existing string. */ - } - o = gcnext(o); - } - } else { /* Slow path: end of string is too close to a page boundary. */ - while (o != NULL) { - GCstr *sx = gco2str(o); - if (sx->len == len && memcmp(str, strdata(sx), len) == 0) { - /* Resurrect if dead. Can only happen with fixstring() (keywords). */ - if (isdead(g, o)) flipwhite(o); - return sx; /* Return existing string. */ - } - o = gcnext(o); - } - } - /* Nope, create a new string. */ - s = lj_mem_newt(L, sizeof(GCstr)+len+1, GCstr); - newwhite(g, s); - s->gct = ~LJ_TSTR; - s->len = len; - s->hash = h; - s->reserved = 0; - memcpy(strdatawr(s), str, len); - strdatawr(s)[len] = '\0'; /* Zero-terminate string. */ - /* Add it to string hash table. */ - h &= g->strmask; - s->nextgc = g->strhash[h]; - /* NOBARRIER: The string table is a GC root. */ - setgcref(g->strhash[h], obj2gco(s)); - if (g->strnum++ > g->strmask) /* Allow a 100% load factor. */ - lj_str_resize(L, (g->strmask<<1)+1); /* Grow string table. */ - return s; /* Return newly interned string. */ -} - -void LJ_FASTCALL lj_str_free(global_State *g, GCstr *s) -{ - g->strnum--; - lj_mem_free(g, s, sizestring(s)); -} - -/* -- Type conversions ---------------------------------------------------- */ - -/* Convert string object to number. */ -int LJ_FASTCALL lj_str_tonum(GCstr *str, TValue *n) -{ - int ok = lj_str_numconv(strdata(str), n); - if (ok && tvisint(n)) - setnumV(n, (lua_Number)intV(n)); - return ok; -} - -int LJ_FASTCALL lj_str_tonumber(GCstr *str, TValue *n) -{ - return lj_str_numconv(strdata(str), n); -} - -/* Convert string to number. */ -int LJ_FASTCALL lj_str_numconv(const char *s, TValue *n) -{ -#if LJ_DUALNUM - int sign = 1; -#else - lua_Number sign = 1; -#endif - const uint8_t *p = (const uint8_t *)s; - while (lj_char_isspace(*p)) p++; - if (*p == '-') { p++; sign = -1; } else if (*p == '+') { p++; } - if ((uint32_t)(*p - '0') < 10) { - uint32_t k = (uint32_t)(*p++ - '0'); - if (k == 0 && ((*p & ~0x20) == 'X')) { - p++; - if (!lj_char_isxdigit(*p)) - return 0; /* Don't accept '0x' without hex digits. */ - do { - if (k >= 0x10000000u) goto parsedbl; - k = (k << 4) + (*p & 15u); - if (!lj_char_isdigit(*p)) k += 9; - p++; - } while (lj_char_isxdigit(*p)); - } else { - while ((uint32_t)(*p - '0') < 10) { - if (LJ_UNLIKELY(k >= 429496729) && (k != 429496729 || *p > '5')) - goto parsedbl; - k = k * 10u + (uint32_t)(*p++ - '0'); - } - } - while (LJ_UNLIKELY(lj_char_isspace(*p))) p++; - if (LJ_LIKELY(*p == '\0')) { -#if LJ_DUALNUM - if (sign == 1) { - if (k < 0x80000000u) { - setintV(n, (int32_t)k); - return 1; - } - } else if (k <= 0x80000000u) { - setintV(n, -(int32_t)k); - return 1; - } -#endif - setnumV(n, sign * (lua_Number)k); - return 1; - } - } -parsedbl: - { - TValue tv; - char *endptr; - setnumV(&tv, lua_str2number(s, &endptr)); - if (endptr == s) return 0; /* Conversion failed. */ - if (LJ_UNLIKELY(*endptr != '\0')) { - while (lj_char_isspace((uint8_t)*endptr)) endptr++; - if (*endptr != '\0') return 0; /* Invalid trailing characters? */ - } - if (LJ_LIKELY(!tvisnan(&tv))) - setnumV(n, numV(&tv)); - else - setnanV(n); /* Canonicalize injected NaNs. */ - return 1; - } -} - -/* Print number to buffer. Canonicalizes non-finite values. */ -size_t LJ_FASTCALL lj_str_bufnum(char *s, cTValue *o) -{ - if (LJ_LIKELY((o->u32.hi << 1) < 0xffe00000)) { /* Finite? */ - lua_Number n = o->n; - return (size_t)lua_number2str(s, n); - } else if (((o->u32.hi & 0x000fffff) | o->u32.lo) != 0) { - s[0] = 'n'; s[1] = 'a'; s[2] = 'n'; return 3; - } else if ((o->u32.hi & 0x80000000) == 0) { - s[0] = 'i'; s[1] = 'n'; s[2] = 'f'; return 3; - } else { - s[0] = '-'; s[1] = 'i'; s[2] = 'n'; s[3] = 'f'; return 4; - } -} - -/* Print integer to buffer. Returns pointer to start. */ -char * LJ_FASTCALL lj_str_bufint(char *p, int32_t k) -{ - uint32_t u = (uint32_t)(k < 0 ? -k : k); - p += 1+10; - do { *--p = (char)('0' + u % 10); } while (u /= 10); - if (k < 0) *--p = '-'; - return p; -} - -/* Convert number to string. */ -GCstr * LJ_FASTCALL lj_str_fromnum(lua_State *L, const lua_Number *np) -{ - char buf[LJ_STR_NUMBUF]; - size_t len = lj_str_bufnum(buf, (TValue *)np); - return lj_str_new(L, buf, len); -} - -/* Convert integer to string. */ -GCstr * LJ_FASTCALL lj_str_fromint(lua_State *L, int32_t k) -{ - char s[1+10]; - char *p = lj_str_bufint(s, k); - return lj_str_new(L, p, (size_t)(s+sizeof(s)-p)); -} - -GCstr * LJ_FASTCALL lj_str_fromnumber(lua_State *L, cTValue *o) -{ - return tvisint(o) ? lj_str_fromint(L, intV(o)) : lj_str_fromnum(L, &o->n); -} - -/* -- String formatting --------------------------------------------------- */ - -static void addstr(lua_State *L, SBuf *sb, const char *str, MSize len) -{ - char *p; - MSize i; - if (sb->n + len > sb->sz) { - MSize sz = sb->sz * 2; - while (sb->n + len > sz) sz = sz * 2; - lj_str_resizebuf(L, sb, sz); - } - p = sb->buf + sb->n; - sb->n += len; - for (i = 0; i < len; i++) p[i] = str[i]; -} - -static void addchar(lua_State *L, SBuf *sb, int c) -{ - if (sb->n + 1 > sb->sz) { - MSize sz = sb->sz * 2; - lj_str_resizebuf(L, sb, sz); - } - sb->buf[sb->n++] = (char)c; -} - -/* Push formatted message as a string object to Lua stack. va_list variant. */ -const char *lj_str_pushvf(lua_State *L, const char *fmt, va_list argp) -{ - SBuf *sb = &G(L)->tmpbuf; - lj_str_needbuf(L, sb, (MSize)strlen(fmt)); - lj_str_resetbuf(sb); - for (;;) { - const char *e = strchr(fmt, '%'); - if (e == NULL) break; - addstr(L, sb, fmt, (MSize)(e-fmt)); - /* This function only handles %s, %c, %d, %f and %p formats. */ - switch (e[1]) { - case 's': { - const char *s = va_arg(argp, char *); - if (s == NULL) s = "(null)"; - addstr(L, sb, s, (MSize)strlen(s)); - break; - } - case 'c': - addchar(L, sb, va_arg(argp, int)); - break; - case 'd': { - char buf[LJ_STR_INTBUF]; - char *p = lj_str_bufint(buf, va_arg(argp, int32_t)); - addstr(L, sb, p, (MSize)(buf+LJ_STR_INTBUF-p)); - break; - } - case 'f': { - char buf[LJ_STR_NUMBUF]; - TValue tv; - MSize len; - tv.n = (lua_Number)(va_arg(argp, LUAI_UACNUMBER)); - len = (MSize)lj_str_bufnum(buf, &tv); - addstr(L, sb, buf, len); - break; - } - case 'p': { -#define FMTP_CHARS (2*sizeof(ptrdiff_t)) - char buf[2+FMTP_CHARS]; - ptrdiff_t p = (ptrdiff_t)(va_arg(argp, void *)); - ptrdiff_t i, lasti = 2+FMTP_CHARS; - if (p == 0) { - addstr(L, sb, "NULL", 4); - break; - } -#if LJ_64 - /* Shorten output for 64 bit pointers. */ - lasti = 2+2*4+((p >> 32) ? 2+2*(lj_fls((uint32_t)(p >> 32))>>3) : 0); -#endif - buf[0] = '0'; - buf[1] = 'x'; - for (i = lasti-1; i >= 2; i--, p >>= 4) - buf[i] = "0123456789abcdef"[(p & 15)]; - addstr(L, sb, buf, (MSize)lasti); - break; - } - case '%': - addchar(L, sb, '%'); - break; - default: - addchar(L, sb, '%'); - addchar(L, sb, e[1]); - break; - } - fmt = e+2; - } - addstr(L, sb, fmt, (MSize)strlen(fmt)); - setstrV(L, L->top, lj_str_new(L, sb->buf, sb->n)); - incr_top(L); - return strVdata(L->top - 1); -} - -/* Push formatted message as a string object to Lua stack. Vararg variant. */ -const char *lj_str_pushf(lua_State *L, const char *fmt, ...) -{ - const char *msg; - va_list argp; - va_start(argp, fmt); - msg = lj_str_pushvf(L, fmt, argp); - va_end(argp); - return msg; -} - -/* -- Buffer handling ----------------------------------------------------- */ - -char *lj_str_needbuf(lua_State *L, SBuf *sb, MSize sz) -{ - if (sz > sb->sz) { - if (sz < LJ_MIN_SBUF) sz = LJ_MIN_SBUF; - lj_str_resizebuf(L, sb, sz); - } - return sb->buf; -} - diff --git a/libraries/luajit-2.0/src/lj_str.h b/libraries/luajit-2.0/src/lj_str.h deleted file mode 100644 index fbd927c..0000000 --- a/libraries/luajit-2.0/src/lj_str.h +++ /dev/null @@ -1,53 +0,0 @@ -/* -** String handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_STR_H -#define _LJ_STR_H - -#include - -#include "lj_obj.h" - -/* String interning. */ -LJ_FUNC int32_t LJ_FASTCALL lj_str_cmp(GCstr *a, GCstr *b); -LJ_FUNC void lj_str_resize(lua_State *L, MSize newmask); -LJ_FUNCA GCstr *lj_str_new(lua_State *L, const char *str, size_t len); -LJ_FUNC void LJ_FASTCALL lj_str_free(global_State *g, GCstr *s); - -#define lj_str_newz(L, s) (lj_str_new(L, s, strlen(s))) -#define lj_str_newlit(L, s) (lj_str_new(L, "" s, sizeof(s)-1)) - -/* Type conversions. */ -LJ_FUNC int LJ_FASTCALL lj_str_numconv(const char *s, TValue *n); -LJ_FUNC int LJ_FASTCALL lj_str_tonum(GCstr *str, TValue *n); -LJ_FUNC int LJ_FASTCALL lj_str_tonumber(GCstr *str, TValue *n); -LJ_FUNC size_t LJ_FASTCALL lj_str_bufnum(char *s, cTValue *o); -LJ_FUNC char * LJ_FASTCALL lj_str_bufint(char *p, int32_t k); -LJ_FUNCA GCstr * LJ_FASTCALL lj_str_fromnum(lua_State *L, const lua_Number *np); -LJ_FUNC GCstr * LJ_FASTCALL lj_str_fromint(lua_State *L, int32_t k); -LJ_FUNCA GCstr * LJ_FASTCALL lj_str_fromnumber(lua_State *L, cTValue *o); - -#define LJ_STR_INTBUF (1+10) -#define LJ_STR_NUMBUF LUAI_MAXNUMBER2STR - -/* String formatting. */ -LJ_FUNC const char *lj_str_pushvf(lua_State *L, const char *fmt, va_list argp); -LJ_FUNC const char *lj_str_pushf(lua_State *L, const char *fmt, ...) -#if defined(__GNUC__) - __attribute__ ((format (printf, 2, 3))) -#endif - ; - -/* Resizable string buffers. Struct definition in lj_obj.h. */ -LJ_FUNC char *lj_str_needbuf(lua_State *L, SBuf *sb, MSize sz); - -#define lj_str_initbuf(sb) ((sb)->buf = NULL, (sb)->sz = 0) -#define lj_str_resetbuf(sb) ((sb)->n = 0) -#define lj_str_resizebuf(L, sb, size) \ - ((sb)->buf = (char *)lj_mem_realloc(L, (sb)->buf, (sb)->sz, (size)), \ - (sb)->sz = (size)) -#define lj_str_freebuf(g, sb) lj_mem_free(g, (void *)(sb)->buf, (sb)->sz) - -#endif diff --git a/libraries/luajit-2.0/src/lj_tab.c b/libraries/luajit-2.0/src/lj_tab.c deleted file mode 100644 index cd200f0..0000000 --- a/libraries/luajit-2.0/src/lj_tab.c +++ /dev/null @@ -1,622 +0,0 @@ -/* -** Table handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#define lj_tab_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_tab.h" - -/* -- Object hashing ------------------------------------------------------ */ - -/* Hash values are masked with the table hash mask and used as an index. */ -static LJ_AINLINE Node *hashmask(const GCtab *t, uint32_t hash) -{ - Node *n = noderef(t->node); - return &n[hash & t->hmask]; -} - -/* String hashes are precomputed when they are interned. */ -#define hashstr(t, s) hashmask(t, (s)->hash) - -#define hashlohi(t, lo, hi) hashmask((t), hashrot((lo), (hi))) -#define hashnum(t, o) hashlohi((t), (o)->u32.lo, ((o)->u32.hi << 1)) -#define hashptr(t, p) hashlohi((t), u32ptr(p), u32ptr(p) + HASH_BIAS) -#define hashgcref(t, r) hashlohi((t), gcrefu(r), gcrefu(r) + HASH_BIAS) - -/* Hash an arbitrary key and return its anchor position in the hash table. */ -static Node *hashkey(const GCtab *t, cTValue *key) -{ - lua_assert(!tvisint(key)); - if (tvisstr(key)) - return hashstr(t, strV(key)); - else if (tvisnum(key)) - return hashnum(t, key); - else if (tvisbool(key)) - return hashmask(t, boolV(key)); - else - return hashgcref(t, key->gcr); - /* Only hash 32 bits of lightuserdata on a 64 bit CPU. Good enough? */ -} - -/* -- Table creation and destruction -------------------------------------- */ - -/* Create new hash part for table. */ -static LJ_AINLINE void newhpart(lua_State *L, GCtab *t, uint32_t hbits) -{ - uint32_t hsize; - Node *node; - lua_assert(hbits != 0); - if (hbits > LJ_MAX_HBITS) - lj_err_msg(L, LJ_ERR_TABOV); - hsize = 1u << hbits; - node = lj_mem_newvec(L, hsize, Node); - setmref(node->freetop, &node[hsize]); - setmref(t->node, node); - t->hmask = hsize-1; -} - -/* -** Q: Why all of these copies of t->hmask, t->node etc. to local variables? -** A: Because alias analysis for C is _really_ tough. -** Even state-of-the-art C compilers won't produce good code without this. -*/ - -/* Clear hash part of table. */ -static LJ_AINLINE void clearhpart(GCtab *t) -{ - uint32_t i, hmask = t->hmask; - Node *node = noderef(t->node); - lua_assert(t->hmask != 0); - for (i = 0; i <= hmask; i++) { - Node *n = &node[i]; - setmref(n->next, NULL); - setnilV(&n->key); - setnilV(&n->val); - } -} - -/* Clear array part of table. */ -static LJ_AINLINE void clearapart(GCtab *t) -{ - uint32_t i, asize = t->asize; - TValue *array = tvref(t->array); - for (i = 0; i < asize; i++) - setnilV(&array[i]); -} - -/* Create a new table. Note: the slots are not initialized (yet). */ -static GCtab *newtab(lua_State *L, uint32_t asize, uint32_t hbits) -{ - GCtab *t; - /* First try to colocate the array part. */ - if (LJ_MAX_COLOSIZE != 0 && asize > 0 && asize <= LJ_MAX_COLOSIZE) { - lua_assert((sizeof(GCtab) & 7) == 0); - t = (GCtab *)lj_mem_newgco(L, sizetabcolo(asize)); - t->gct = ~LJ_TTAB; - t->nomm = (uint8_t)~0; - t->colo = (int8_t)asize; - setmref(t->array, (TValue *)((char *)t + sizeof(GCtab))); - setgcrefnull(t->metatable); - t->asize = asize; - t->hmask = 0; - setmref(t->node, &G(L)->nilnode); - } else { /* Otherwise separately allocate the array part. */ - t = lj_mem_newobj(L, GCtab); - t->gct = ~LJ_TTAB; - t->nomm = (uint8_t)~0; - t->colo = 0; - setmref(t->array, NULL); - setgcrefnull(t->metatable); - t->asize = 0; /* In case the array allocation fails. */ - t->hmask = 0; - setmref(t->node, &G(L)->nilnode); - if (asize > 0) { - if (asize > LJ_MAX_ASIZE) - lj_err_msg(L, LJ_ERR_TABOV); - setmref(t->array, lj_mem_newvec(L, asize, TValue)); - t->asize = asize; - } - } - if (hbits) - newhpart(L, t, hbits); - return t; -} - -/* Create a new table. -** -** IMPORTANT NOTE: The API differs from lua_createtable()! -** -** The array size is non-inclusive. E.g. asize=128 creates array slots -** for 0..127, but not for 128. If you need slots 1..128, pass asize=129 -** (slot 0 is wasted in this case). -** -** The hash size is given in hash bits. hbits=0 means no hash part. -** hbits=1 creates 2 hash slots, hbits=2 creates 4 hash slots and so on. -*/ -GCtab *lj_tab_new(lua_State *L, uint32_t asize, uint32_t hbits) -{ - GCtab *t = newtab(L, asize, hbits); - clearapart(t); - if (t->hmask > 0) clearhpart(t); - return t; -} - -#if LJ_HASJIT -GCtab * LJ_FASTCALL lj_tab_new1(lua_State *L, uint32_t ahsize) -{ - GCtab *t = newtab(L, ahsize & 0xffffff, ahsize >> 24); - clearapart(t); - if (t->hmask > 0) clearhpart(t); - return t; -} -#endif - -/* Duplicate a table. */ -GCtab * LJ_FASTCALL lj_tab_dup(lua_State *L, const GCtab *kt) -{ - GCtab *t; - uint32_t asize, hmask; - t = newtab(L, kt->asize, kt->hmask > 0 ? lj_fls(kt->hmask)+1 : 0); - lua_assert(kt->asize == t->asize && kt->hmask == t->hmask); - t->nomm = 0; /* Keys with metamethod names may be present. */ - asize = kt->asize; - if (asize > 0) { - TValue *array = tvref(t->array); - TValue *karray = tvref(kt->array); - if (asize < 64) { /* An inlined loop beats memcpy for < 512 bytes. */ - uint32_t i; - for (i = 0; i < asize; i++) - copyTV(L, &array[i], &karray[i]); - } else { - memcpy(array, karray, asize*sizeof(TValue)); - } - } - hmask = kt->hmask; - if (hmask > 0) { - uint32_t i; - Node *node = noderef(t->node); - Node *knode = noderef(kt->node); - ptrdiff_t d = (char *)node - (char *)knode; - setmref(node->freetop, (Node *)((char *)noderef(knode->freetop) + d)); - for (i = 0; i <= hmask; i++) { - Node *kn = &knode[i]; - Node *n = &node[i]; - Node *next = nextnode(kn); - /* Don't use copyTV here, since it asserts on a copy of a dead key. */ - n->val = kn->val; n->key = kn->key; - setmref(n->next, next == NULL? next : (Node *)((char *)next + d)); - } - } - return t; -} - -/* Free a table. */ -void LJ_FASTCALL lj_tab_free(global_State *g, GCtab *t) -{ - if (t->hmask > 0) - lj_mem_freevec(g, noderef(t->node), t->hmask+1, Node); - if (t->asize > 0 && LJ_MAX_COLOSIZE != 0 && t->colo <= 0) - lj_mem_freevec(g, tvref(t->array), t->asize, TValue); - if (LJ_MAX_COLOSIZE != 0 && t->colo) - lj_mem_free(g, t, sizetabcolo((uint32_t)t->colo & 0x7f)); - else - lj_mem_freet(g, t); -} - -/* -- Table resizing ------------------------------------------------------ */ - -/* Resize a table to fit the new array/hash part sizes. */ -static void resizetab(lua_State *L, GCtab *t, uint32_t asize, uint32_t hbits) -{ - Node *oldnode = noderef(t->node); - uint32_t oldasize = t->asize; - uint32_t oldhmask = t->hmask; - if (asize > oldasize) { /* Array part grows? */ - TValue *array; - uint32_t i; - if (asize > LJ_MAX_ASIZE) - lj_err_msg(L, LJ_ERR_TABOV); - if (LJ_MAX_COLOSIZE != 0 && t->colo > 0) { - /* A colocated array must be separated and copied. */ - TValue *oarray = tvref(t->array); - array = lj_mem_newvec(L, asize, TValue); - t->colo = (int8_t)(t->colo | 0x80); /* Mark as separated (colo < 0). */ - for (i = 0; i < oldasize; i++) - copyTV(L, &array[i], &oarray[i]); - } else { - array = (TValue *)lj_mem_realloc(L, tvref(t->array), - oldasize*sizeof(TValue), asize*sizeof(TValue)); - } - setmref(t->array, array); - t->asize = asize; - for (i = oldasize; i < asize; i++) /* Clear newly allocated slots. */ - setnilV(&array[i]); - } - /* Create new (empty) hash part. */ - if (hbits) { - newhpart(L, t, hbits); - clearhpart(t); - } else { - global_State *g = G(L); - setmref(t->node, &g->nilnode); - t->hmask = 0; - } - if (asize < oldasize) { /* Array part shrinks? */ - TValue *array = tvref(t->array); - uint32_t i; - t->asize = asize; /* Note: This 'shrinks' even colocated arrays. */ - for (i = asize; i < oldasize; i++) /* Reinsert old array values. */ - if (!tvisnil(&array[i])) - copyTV(L, lj_tab_setinth(L, t, (int32_t)i), &array[i]); - /* Physically shrink only separated arrays. */ - if (LJ_MAX_COLOSIZE != 0 && t->colo <= 0) - setmref(t->array, lj_mem_realloc(L, array, - oldasize*sizeof(TValue), asize*sizeof(TValue))); - } - if (oldhmask > 0) { /* Reinsert pairs from old hash part. */ - global_State *g; - uint32_t i; - for (i = 0; i <= oldhmask; i++) { - Node *n = &oldnode[i]; - if (!tvisnil(&n->val)) - copyTV(L, lj_tab_set(L, t, &n->key), &n->val); - } - g = G(L); - lj_mem_freevec(g, oldnode, oldhmask+1, Node); - } -} - -static uint32_t countint(cTValue *key, uint32_t *bins) -{ - lua_assert(!tvisint(key)); - if (tvisnum(key)) { - lua_Number nk = numV(key); - int32_t k = lj_num2int(nk); - if ((uint32_t)k < LJ_MAX_ASIZE && nk == (lua_Number)k) { - bins[(k > 2 ? lj_fls((uint32_t)(k-1)) : 0)]++; - return 1; - } - } - return 0; -} - -static uint32_t countarray(const GCtab *t, uint32_t *bins) -{ - uint32_t na, b, i; - if (t->asize == 0) return 0; - for (na = i = b = 0; b < LJ_MAX_ABITS; b++) { - uint32_t n, top = 2u << b; - TValue *array; - if (top >= t->asize) { - top = t->asize-1; - if (i > top) - break; - } - array = tvref(t->array); - for (n = 0; i <= top; i++) - if (!tvisnil(&array[i])) - n++; - bins[b] += n; - na += n; - } - return na; -} - -static uint32_t counthash(const GCtab *t, uint32_t *bins, uint32_t *narray) -{ - uint32_t total, na, i, hmask = t->hmask; - Node *node = noderef(t->node); - for (total = na = 0, i = 0; i <= hmask; i++) { - Node *n = &node[i]; - if (!tvisnil(&n->val)) { - na += countint(&n->key, bins); - total++; - } - } - *narray += na; - return total; -} - -static uint32_t bestasize(uint32_t bins[], uint32_t *narray) -{ - uint32_t b, sum, na = 0, sz = 0, nn = *narray; - for (b = 0, sum = 0; 2*nn > (1u< 0 && 2*(sum += bins[b]) > (1u<hmask > 0 ? lj_fls(t->hmask)+1 : 0); -} - -/* -- Table getters ------------------------------------------------------- */ - -cTValue * LJ_FASTCALL lj_tab_getinth(GCtab *t, int32_t key) -{ - TValue k; - Node *n; - k.n = (lua_Number)key; - n = hashnum(t, &k); - do { - if (tvisnum(&n->key) && n->key.n == k.n) - return &n->val; - } while ((n = nextnode(n))); - return NULL; -} - -cTValue *lj_tab_getstr(GCtab *t, GCstr *key) -{ - Node *n = hashstr(t, key); - do { - if (tvisstr(&n->key) && strV(&n->key) == key) - return &n->val; - } while ((n = nextnode(n))); - return NULL; -} - -cTValue *lj_tab_get(lua_State *L, GCtab *t, cTValue *key) -{ - if (tvisstr(key)) { - cTValue *tv = lj_tab_getstr(t, strV(key)); - if (tv) - return tv; - } else if (tvisint(key)) { - cTValue *tv = lj_tab_getint(t, intV(key)); - if (tv) - return tv; - } else if (tvisnum(key)) { - lua_Number nk = numV(key); - int32_t k = lj_num2int(nk); - if (nk == (lua_Number)k) { - cTValue *tv = lj_tab_getint(t, k); - if (tv) - return tv; - } else { - goto genlookup; /* Else use the generic lookup. */ - } - } else if (!tvisnil(key)) { - Node *n; - genlookup: - n = hashkey(t, key); - do { - if (lj_obj_equal(&n->key, key)) - return &n->val; - } while ((n = nextnode(n))); - } - return niltv(L); -} - -/* -- Table setters ------------------------------------------------------- */ - -/* Insert new key. Use Brent's variation to optimize the chain length. */ -TValue *lj_tab_newkey(lua_State *L, GCtab *t, cTValue *key) -{ - Node *n = hashkey(t, key); - if (!tvisnil(&n->val) || t->hmask == 0) { - Node *nodebase = noderef(t->node); - Node *collide, *freenode = noderef(nodebase->freetop); - lua_assert(freenode >= nodebase && freenode <= nodebase+t->hmask+1); - do { - if (freenode == nodebase) { /* No free node found? */ - rehashtab(L, t, key); /* Rehash table. */ - return lj_tab_set(L, t, key); /* Retry key insertion. */ - } - } while (!tvisnil(&(--freenode)->key)); - setmref(nodebase->freetop, freenode); - lua_assert(freenode != &G(L)->nilnode); - collide = hashkey(t, &n->key); - if (collide != n) { /* Colliding node not the main node? */ - while (noderef(collide->next) != n) /* Find predecessor. */ - collide = nextnode(collide); - setmref(collide->next, freenode); /* Relink chain. */ - /* Copy colliding node into free node and free main node. */ - freenode->val = n->val; - freenode->key = n->key; - freenode->next = n->next; - setmref(n->next, NULL); - setnilV(&n->val); - /* Rechain pseudo-resurrected string keys with colliding hashes. */ - while (nextnode(freenode)) { - Node *nn = nextnode(freenode); - if (tvisstr(&nn->key) && !tvisnil(&nn->val) && - hashstr(t, strV(&nn->key)) == n) { - freenode->next = nn->next; - nn->next = n->next; - setmref(n->next, nn); - } else { - freenode = nn; - } - } - } else { /* Otherwise use free node. */ - setmrefr(freenode->next, n->next); /* Insert into chain. */ - setmref(n->next, freenode); - n = freenode; - } - } - n->key.u64 = key->u64; - if (LJ_UNLIKELY(tvismzero(&n->key))) - n->key.u64 = 0; - lj_gc_anybarriert(L, t); - lua_assert(tvisnil(&n->val)); - return &n->val; -} - -TValue *lj_tab_setinth(lua_State *L, GCtab *t, int32_t key) -{ - TValue k; - Node *n; - k.n = (lua_Number)key; - n = hashnum(t, &k); - do { - if (tvisnum(&n->key) && n->key.n == k.n) - return &n->val; - } while ((n = nextnode(n))); - return lj_tab_newkey(L, t, &k); -} - -TValue *lj_tab_setstr(lua_State *L, GCtab *t, GCstr *key) -{ - TValue k; - Node *n = hashstr(t, key); - do { - if (tvisstr(&n->key) && strV(&n->key) == key) - return &n->val; - } while ((n = nextnode(n))); - setstrV(L, &k, key); - return lj_tab_newkey(L, t, &k); -} - -TValue *lj_tab_set(lua_State *L, GCtab *t, cTValue *key) -{ - Node *n; - t->nomm = 0; /* Invalidate negative metamethod cache. */ - if (tvisstr(key)) { - return lj_tab_setstr(L, t, strV(key)); - } else if (tvisint(key)) { - return lj_tab_setint(L, t, intV(key)); - } else if (tvisnum(key)) { - lua_Number nk = numV(key); - int32_t k = lj_num2int(nk); - if (nk == (lua_Number)k) - return lj_tab_setint(L, t, k); - if (tvisnan(key)) - lj_err_msg(L, LJ_ERR_NANIDX); - /* Else use the generic lookup. */ - } else if (tvisnil(key)) { - lj_err_msg(L, LJ_ERR_NILIDX); - } - n = hashkey(t, key); - do { - if (lj_obj_equal(&n->key, key)) - return &n->val; - } while ((n = nextnode(n))); - return lj_tab_newkey(L, t, key); -} - -/* -- Table traversal ----------------------------------------------------- */ - -/* Get the traversal index of a key. */ -static uint32_t keyindex(lua_State *L, GCtab *t, cTValue *key) -{ - TValue tmp; - if (tvisint(key)) { - int32_t k = intV(key); - if ((uint32_t)k < t->asize) - return (uint32_t)k; /* Array key indexes: [0..t->asize-1] */ - setnumV(&tmp, (lua_Number)k); - key = &tmp; - } else if (tvisnum(key)) { - lua_Number nk = numV(key); - int32_t k = lj_num2int(nk); - if ((uint32_t)k < t->asize && nk == (lua_Number)k) - return (uint32_t)k; /* Array key indexes: [0..t->asize-1] */ - } - if (!tvisnil(key)) { - Node *n = hashkey(t, key); - do { - if (lj_obj_equal(&n->key, key)) - return t->asize + (uint32_t)(n - noderef(t->node)); - /* Hash key indexes: [t->asize..t->asize+t->nmask] */ - } while ((n = nextnode(n))); - lj_err_msg(L, LJ_ERR_NEXTIDX); - return 0; /* unreachable */ - } - return ~0u; /* A nil key starts the traversal. */ -} - -/* Advance to the next step in a table traversal. */ -int lj_tab_next(lua_State *L, GCtab *t, TValue *key) -{ - uint32_t i = keyindex(L, t, key); /* Find predecessor key index. */ - for (i++; i < t->asize; i++) /* First traverse the array keys. */ - if (!tvisnil(arrayslot(t, i))) { - setintV(key, i); - copyTV(L, key+1, arrayslot(t, i)); - return 1; - } - for (i -= t->asize; i <= t->hmask; i++) { /* Then traverse the hash keys. */ - Node *n = &noderef(t->node)[i]; - if (!tvisnil(&n->val)) { - copyTV(L, key, &n->key); - copyTV(L, key+1, &n->val); - return 1; - } - } - return 0; /* End of traversal. */ -} - -/* -- Table length calculation -------------------------------------------- */ - -static MSize unbound_search(GCtab *t, MSize j) -{ - cTValue *tv; - MSize i = j; /* i is zero or a present index */ - j++; - /* find `i' and `j' such that i is present and j is not */ - while ((tv = lj_tab_getint(t, (int32_t)j)) && !tvisnil(tv)) { - i = j; - j *= 2; - if (j > (MSize)(INT_MAX-2)) { /* overflow? */ - /* table was built with bad purposes: resort to linear search */ - i = 1; - while ((tv = lj_tab_getint(t, (int32_t)i)) && !tvisnil(tv)) i++; - return i - 1; - } - } - /* now do a binary search between them */ - while (j - i > 1) { - MSize m = (i+j)/2; - cTValue *tvb = lj_tab_getint(t, (int32_t)m); - if (tvb && !tvisnil(tvb)) i = m; else j = m; - } - return i; -} - -/* -** Try to find a boundary in table `t'. A `boundary' is an integer index -** such that t[i] is non-nil and t[i+1] is nil (and 0 if t[1] is nil). -*/ -MSize LJ_FASTCALL lj_tab_len(GCtab *t) -{ - MSize j = (MSize)t->asize; - if (j > 1 && tvisnil(arrayslot(t, j-1))) { - MSize i = 1; - while (j - i > 1) { - MSize m = (i+j)/2; - if (tvisnil(arrayslot(t, m-1))) j = m; else i = m; - } - return i-1; - } - if (j) j--; - if (t->hmask <= 0) - return j; - return unbound_search(t, j); -} - diff --git a/libraries/luajit-2.0/src/lj_tab.h b/libraries/luajit-2.0/src/lj_tab.h deleted file mode 100644 index 76e96f1..0000000 --- a/libraries/luajit-2.0/src/lj_tab.h +++ /dev/null @@ -1,67 +0,0 @@ -/* -** Table handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_TAB_H -#define _LJ_TAB_H - -#include "lj_obj.h" - -/* Hash constants. Tuned using a brute force search. */ -#define HASH_BIAS (-0x04c11db7) -#define HASH_ROT1 14 -#define HASH_ROT2 5 -#define HASH_ROT3 13 - -/* Scramble the bits of numbers and pointers. */ -static LJ_AINLINE uint32_t hashrot(uint32_t lo, uint32_t hi) -{ -#if LJ_TARGET_X86ORX64 - /* Prefer variant that compiles well for a 2-operand CPU. */ - lo ^= hi; hi = lj_rol(hi, HASH_ROT1); - lo -= hi; hi = lj_rol(hi, HASH_ROT2); - hi ^= lo; hi -= lj_rol(lo, HASH_ROT3); -#else - lo ^= hi; - lo = lo - lj_rol(hi, HASH_ROT1); - hi = lo ^ lj_rol(hi, HASH_ROT1 + HASH_ROT2); - hi = hi - lj_rol(lo, HASH_ROT3); -#endif - return hi; -} - -#define hsize2hbits(s) ((s) ? ((s)==1 ? 1 : 1+lj_fls((uint32_t)((s)-1))) : 0) - -LJ_FUNCA GCtab *lj_tab_new(lua_State *L, uint32_t asize, uint32_t hbits); -#if LJ_HASJIT -LJ_FUNC GCtab * LJ_FASTCALL lj_tab_new1(lua_State *L, uint32_t ahsize); -#endif -LJ_FUNCA GCtab * LJ_FASTCALL lj_tab_dup(lua_State *L, const GCtab *kt); -LJ_FUNC void LJ_FASTCALL lj_tab_free(global_State *g, GCtab *t); -LJ_FUNCA void lj_tab_reasize(lua_State *L, GCtab *t, uint32_t nasize); - -/* Caveat: all getters except lj_tab_get() can return NULL! */ - -LJ_FUNCA cTValue * LJ_FASTCALL lj_tab_getinth(GCtab *t, int32_t key); -LJ_FUNC cTValue *lj_tab_getstr(GCtab *t, GCstr *key); -LJ_FUNCA cTValue *lj_tab_get(lua_State *L, GCtab *t, cTValue *key); - -/* Caveat: all setters require a write barrier for the stored value. */ - -LJ_FUNCA TValue *lj_tab_newkey(lua_State *L, GCtab *t, cTValue *key); -LJ_FUNC TValue *lj_tab_setinth(lua_State *L, GCtab *t, int32_t key); -LJ_FUNC TValue *lj_tab_setstr(lua_State *L, GCtab *t, GCstr *key); -LJ_FUNC TValue *lj_tab_set(lua_State *L, GCtab *t, cTValue *key); - -#define inarray(t, key) ((MSize)(key) < (MSize)(t)->asize) -#define arrayslot(t, i) (&tvref((t)->array)[(i)]) -#define lj_tab_getint(t, key) \ - (inarray((t), (key)) ? arrayslot((t), (key)) : lj_tab_getinth((t), (key))) -#define lj_tab_setint(L, t, key) \ - (inarray((t), (key)) ? arrayslot((t), (key)) : lj_tab_setinth(L, (t), (key))) - -LJ_FUNCA int lj_tab_next(lua_State *L, GCtab *t, TValue *key); -LJ_FUNCA MSize LJ_FASTCALL lj_tab_len(GCtab *t); - -#endif diff --git a/libraries/luajit-2.0/src/lj_target.h b/libraries/luajit-2.0/src/lj_target.h deleted file mode 100644 index c302d30..0000000 --- a/libraries/luajit-2.0/src/lj_target.h +++ /dev/null @@ -1,158 +0,0 @@ -/* -** Definitions for target CPU. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_TARGET_H -#define _LJ_TARGET_H - -#include "lj_def.h" -#include "lj_arch.h" - -/* -- Registers and spill slots ------------------------------------------- */ - -/* Register type (uint8_t in ir->r). */ -typedef uint32_t Reg; - -/* The hi-bit is NOT set for an allocated register. This means the value -** can be directly used without masking. The hi-bit is set for a register -** allocation hint or for RID_INIT. -*/ -#define RID_NONE 0x80 -#define RID_MASK 0x7f -#define RID_INIT (RID_NONE|RID_MASK) - -#define ra_noreg(r) ((r) & RID_NONE) -#define ra_hasreg(r) (!((r) & RID_NONE)) - -/* The ra_hashint() macro assumes a previous test for ra_noreg(). */ -#define ra_hashint(r) ((r) != RID_INIT) -#define ra_gethint(r) ((Reg)((r) & RID_MASK)) -#define ra_sethint(rr, r) rr = (uint8_t)((r)|RID_NONE) -#define ra_samehint(r1, r2) (ra_gethint((r1)^(r2)) == 0) - -/* Spill slot 0 means no spill slot has been allocated. */ -#define SPS_NONE 0 - -#define ra_hasspill(s) ((s) != SPS_NONE) - -/* Combined register and spill slot (uint16_t in ir->prev). */ -typedef uint32_t RegSP; - -#define REGSP(r, s) ((r) + ((s) << 8)) -#define REGSP_HINT(r) ((r)|RID_NONE) -#define REGSP_INIT REGSP(RID_INIT, 0) - -#define regsp_reg(rs) ((rs) & 255) -#define regsp_spill(rs) ((rs) >> 8) -#define regsp_used(rs) \ - (((rs) & ~REGSP(RID_MASK, 0)) != REGSP(RID_NONE, 0)) - -/* -- Register sets ------------------------------------------------------- */ - -/* Bitset for registers. 32 registers suffice for most architectures. -** Note that one set holds bits for both GPRs and FPRs. -*/ -#if LJ_TARGET_PPC -typedef uint64_t RegSet; -#else -typedef uint32_t RegSet; -#endif - -#define RID2RSET(r) (((RegSet)1) << (r)) -#define RSET_EMPTY ((RegSet)0) -#define RSET_RANGE(lo, hi) ((RID2RSET((hi)-(lo))-1) << (lo)) - -#define rset_test(rs, r) (((rs) >> (r)) & 1) -#define rset_set(rs, r) (rs |= RID2RSET(r)) -#define rset_clear(rs, r) (rs &= ~RID2RSET(r)) -#define rset_exclude(rs, r) (rs & ~RID2RSET(r)) -#if LJ_TARGET_PPC -#define rset_picktop(rs) ((Reg)(__builtin_clzll(rs)^63)) -#define rset_pickbot(rs) ((Reg)__builtin_ctzll(rs)) -#else -#define rset_picktop(rs) ((Reg)lj_fls(rs)) -#define rset_pickbot(rs) ((Reg)lj_ffs(rs)) -#endif - -/* -- Register allocation cost -------------------------------------------- */ - -/* The register allocation heuristic keeps track of the cost for allocating -** a specific register: -** -** A free register (obviously) has a cost of 0 and a 1-bit in the free mask. -** -** An already allocated register has the (non-zero) IR reference in the lowest -** bits and the result of a blended cost-model in the higher bits. -** -** The allocator first checks the free mask for a hit. Otherwise an (unrolled) -** linear search for the minimum cost is used. The search doesn't need to -** keep track of the position of the minimum, which makes it very fast. -** The lowest bits of the minimum cost show the desired IR reference whose -** register is the one to evict. -** -** Without the cost-model this degenerates to the standard heuristics for -** (reverse) linear-scan register allocation. Since code generation is done -** in reverse, a live interval extends from the last use to the first def. -** For an SSA IR the IR reference is the first (and only) def and thus -** trivially marks the end of the interval. The LSRA heuristics says to pick -** the register whose live interval has the furthest extent, i.e. the lowest -** IR reference in our case. -** -** A cost-model should take into account other factors, like spill-cost and -** restore- or rematerialization-cost, which depend on the kind of instruction. -** E.g. constants have zero spill costs, variant instructions have higher -** costs than invariants and PHIs should preferably never be spilled. -** -** Here's a first cut at simple, but effective blended cost-model for R-LSRA: -** - Due to careful design of the IR, constants already have lower IR -** references than invariants and invariants have lower IR references -** than variants. -** - The cost in the upper 16 bits is the sum of the IR reference and a -** weighted score. The score currently only takes into account whether -** the IRT_ISPHI bit is set in the instruction type. -** - The PHI weight is the minimum distance (in IR instructions) a PHI -** reference has to be further apart from a non-PHI reference to be spilled. -** - It should be a power of two (for speed) and must be between 2 and 32768. -** Good values for the PHI weight seem to be between 40 and 150. -** - Further study is required. -*/ -#define REGCOST_PHI_WEIGHT 64 - -/* Cost for allocating a specific register. */ -typedef uint32_t RegCost; - -/* Note: assumes 16 bit IRRef1. */ -#define REGCOST(cost, ref) ((RegCost)(ref) + ((RegCost)(cost) << 16)) -#define regcost_ref(rc) ((IRRef1)(rc)) - -#define REGCOST_T(t) \ - ((RegCost)((t)&IRT_ISPHI) * (((RegCost)(REGCOST_PHI_WEIGHT)<<16)/IRT_ISPHI)) -#define REGCOST_REF_T(ref, t) (REGCOST((ref), (ref)) + REGCOST_T((t))) - -/* -- Target-specific definitions ----------------------------------------- */ - -#if LJ_TARGET_X86ORX64 -#include "lj_target_x86.h" -#elif LJ_TARGET_ARM -#include "lj_target_arm.h" -#elif LJ_TARGET_PPC -#include "lj_target_ppc.h" -#else -#error "Missing include for target CPU" -#endif - -#ifdef EXITSTUBS_PER_GROUP -/* Return the address of an exit stub. */ -static LJ_AINLINE char *exitstub_addr_(char **group, uint32_t exitno) -{ - lua_assert(group[exitno / EXITSTUBS_PER_GROUP] != NULL); - return (char *)group[exitno / EXITSTUBS_PER_GROUP] + - EXITSTUB_SPACING*(exitno % EXITSTUBS_PER_GROUP); -} -/* Avoid dependence on lj_jit.h if only including lj_target.h. */ -#define exitstub_addr(J, exitno) \ - ((MCode *)exitstub_addr_((char **)((J)->exitstubgroup), (exitno))) -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_target_arm.h b/libraries/luajit-2.0/src/lj_target_arm.h deleted file mode 100644 index b4b26d4..0000000 --- a/libraries/luajit-2.0/src/lj_target_arm.h +++ /dev/null @@ -1,210 +0,0 @@ -/* -** Definitions for ARM CPUs. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_TARGET_ARM_H -#define _LJ_TARGET_ARM_H - -/* -- Registers IDs ------------------------------------------------------- */ - -#define GPRDEF(_) \ - _(R0) _(R1) _(R2) _(R3) _(R4) _(R5) _(R6) _(R7) \ - _(R8) _(R9) _(R10) _(R11) _(R12) _(SP) _(LR) _(PC) -#if LJ_SOFTFP -#define FPRDEF(_) -#else -#error "NYI: hard-float support for ARM" -#endif -#define VRIDDEF(_) - -#define RIDENUM(name) RID_##name, - -enum { - GPRDEF(RIDENUM) /* General-purpose registers (GPRs). */ - FPRDEF(RIDENUM) /* Floating-point registers (FPRs). */ - RID_MAX, - RID_TMP = RID_LR, - - /* Calling conventions. */ - RID_RET = RID_R0, - RID_RETLO = RID_R0, - RID_RETHI = RID_R1, - RID_FPRET = RID_R0, - - /* These definitions must match with the *.dasc file(s): */ - RID_BASE = RID_R9, /* Interpreter BASE. */ - RID_LPC = RID_R6, /* Interpreter PC. */ - RID_DISPATCH = RID_R7, /* Interpreter DISPATCH table. */ - RID_LREG = RID_R8, /* Interpreter L. */ - - /* Register ranges [min, max) and number of registers. */ - RID_MIN_GPR = RID_R0, - RID_MAX_GPR = RID_PC+1, - RID_MIN_FPR = RID_MAX_GPR, -#if LJ_SOFTFP - RID_MAX_FPR = RID_MIN_FPR, -#else -#error "NYI: VFP support for ARM" -#endif - RID_NUM_GPR = RID_MAX_GPR - RID_MIN_GPR, - RID_NUM_FPR = RID_MAX_FPR - RID_MIN_FPR -}; - -#define RID_NUM_KREF RID_NUM_GPR -#define RID_MIN_KREF RID_R0 - -/* -- Register sets ------------------------------------------------------- */ - -/* Make use of all registers, except sp, lr and pc. */ -#define RSET_GPR (RSET_RANGE(RID_MIN_GPR, RID_R12+1)) -#define RSET_GPREVEN \ - (RID2RSET(RID_R0)|RID2RSET(RID_R2)|RID2RSET(RID_R4)|RID2RSET(RID_R6)| \ - RID2RSET(RID_R8)|RID2RSET(RID_R10)) -#define RSET_GPRODD \ - (RID2RSET(RID_R1)|RID2RSET(RID_R3)|RID2RSET(RID_R5)|RID2RSET(RID_R7)| \ - RID2RSET(RID_R9)|RID2RSET(RID_R11)) -#if LJ_SOFTFP -#define RSET_FPR 0 -#define RSET_ALL RSET_GPR -#else -#error "NYI: VFP support for ARM" -#endif -#define RSET_INIT RSET_ALL - -/* ABI-specific register sets. lr is an implicit scratch register. */ -#define RSET_SCRATCH_GPR_ (RSET_RANGE(RID_R0, RID_R3+1)|RID2RSET(RID_R12)) -#ifdef __APPLE__ -#define RSET_SCRATCH_GPR (RSET_SCRATCH_GPR_|RID2RSET(RID_R9)) -#else -#define RSET_SCRATCH_GPR RSET_SCRATCH_GPR_ -#endif -#if LJ_SOFTFP -#define RSET_SCRATCH_FPR 0 -#else -#error "NYI: VFP support for ARM" -#endif -#define RSET_SCRATCH (RSET_SCRATCH_GPR|RSET_SCRATCH_FPR) -#define REGARG_FIRSTGPR RID_R0 -#define REGARG_LASTGPR RID_R3 -#define REGARG_NUMGPR 4 - -/* -- Spill slots --------------------------------------------------------- */ - -/* Spill slots are 32 bit wide. An even/odd pair is used for FPRs. -** -** SPS_FIXED: Available fixed spill slots in interpreter frame. -** This definition must match with the *.dasc file(s). -** -** SPS_FIRST: First spill slot for general use. Reserve min. two 32 bit slots. -*/ -#define SPS_FIXED 2 -#define SPS_FIRST 2 - -#define sps_scale(slot) (4 * (int32_t)(slot)) -#define sps_align(slot) (((slot) - SPS_FIXED + 1) & ~1) - -/* -- Exit state ---------------------------------------------------------- */ - -/* This definition must match with the *.dasc file(s). */ -typedef struct { -#if !LJ_SOFTFP - lua_Number fpr[RID_NUM_FPR]; /* Floating-point registers. */ -#endif - int32_t gpr[RID_NUM_GPR]; /* General-purpose registers. */ - int32_t spill[256]; /* Spill slots. */ -} ExitState; - -/* PC after instruction that caused an exit. Used to find the trace number. */ -#define EXITSTATE_PCREG RID_PC -/* Highest exit + 1 indicates stack check. */ -#define EXITSTATE_CHECKEXIT 1 - -#define EXITSTUB_SPACING 4 -#define EXITSTUBS_PER_GROUP 32 - -/* -- Instructions -------------------------------------------------------- */ - -/* Instruction fields. */ -#define ARMF_CC(ai, cc) (((ai) ^ ARMI_CCAL) | ((cc) << 28)) -#define ARMF_N(r) ((r) << 16) -#define ARMF_D(r) ((r) << 12) -#define ARMF_S(r) ((r) << 8) -#define ARMF_M(r) (r) -#define ARMF_SH(sh, n) (((sh) << 5) | ((n) << 7)) -#define ARMF_RSH(sh, r) (0x10 | ((sh) << 5) | ARMF_S(r)) - -typedef enum ARMIns { - ARMI_CCAL = 0xe0000000, - ARMI_S = 0x000100000, - ARMI_K12 = 0x02000000, - ARMI_KNEG = 0x00200000, - ARMI_LS_W = 0x00200000, - ARMI_LS_U = 0x00800000, - ARMI_LS_P = 0x01000000, - ARMI_LS_R = 0x02000000, - ARMI_LSX_I = 0x00400000, - - ARMI_AND = 0xe0000000, - ARMI_EOR = 0xe0200000, - ARMI_SUB = 0xe0400000, - ARMI_RSB = 0xe0600000, - ARMI_ADD = 0xe0800000, - ARMI_ADC = 0xe0a00000, - ARMI_SBC = 0xe0c00000, - ARMI_RSC = 0xe0e00000, - ARMI_TST = 0xe1100000, - ARMI_TEQ = 0xe1300000, - ARMI_CMP = 0xe1500000, - ARMI_CMN = 0xe1700000, - ARMI_ORR = 0xe1800000, - ARMI_MOV = 0xe1a00000, - ARMI_BIC = 0xe1c00000, - ARMI_MVN = 0xe1e00000, - - ARMI_NOP = 0xe1a00000, - - ARMI_MUL = 0xe0000090, - ARMI_SMULL = 0xe0c00090, - - ARMI_LDR = 0xe4100000, - ARMI_LDRB = 0xe4500000, - ARMI_LDRH = 0xe01000b0, - ARMI_LDRSB = 0xe01000d0, - ARMI_LDRSH = 0xe01000f0, - ARMI_LDRD = 0xe00000d0, - ARMI_STR = 0xe4000000, - ARMI_STRB = 0xe4400000, - ARMI_STRH = 0xe00000b0, - ARMI_STRD = 0xe00000f0, - ARMI_PUSH = 0xe92d0000, - - ARMI_B = 0xea000000, - ARMI_BL = 0xeb000000, - ARMI_BLX = 0xfa000000, - ARMI_BLXr = 0xe12fff30, - - /* ARMv6 */ - ARMI_REV = 0xe6bf0f30, - ARMI_SXTB = 0xe6af0070, - ARMI_SXTH = 0xe6bf0070, - ARMI_UXTB = 0xe6ef0070, - ARMI_UXTH = 0xe6ff0070, - - /* ARMv6T2 */ - ARMI_MOVW = 0xe3000000, - ARMI_MOVT = 0xe3400000, -} ARMIns; - -typedef enum ARMShift { - ARMSH_LSL, ARMSH_LSR, ARMSH_ASR, ARMSH_ROR -} ARMShift; - -/* ARM condition codes. */ -typedef enum ARMCC { - CC_EQ, CC_NE, CC_CS, CC_CC, CC_MI, CC_PL, CC_VS, CC_VC, - CC_HI, CC_LS, CC_GE, CC_LT, CC_GT, CC_LE, CC_AL, - CC_HS = CC_CS, CC_LO = CC_CC -} ARMCC; - -#endif diff --git a/libraries/luajit-2.0/src/lj_target_ppc.h b/libraries/luajit-2.0/src/lj_target_ppc.h deleted file mode 100644 index d8fbea6..0000000 --- a/libraries/luajit-2.0/src/lj_target_ppc.h +++ /dev/null @@ -1,279 +0,0 @@ -/* -** Definitions for PPC CPUs. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_TARGET_PPC_H -#define _LJ_TARGET_PPC_H - -/* -- Registers IDs ------------------------------------------------------- */ - -#define GPRDEF(_) \ - _(R0) _(SP) _(SYS1) _(R3) _(R4) _(R5) _(R6) _(R7) \ - _(R8) _(R9) _(R10) _(R11) _(R12) _(SYS2) _(R14) _(R15) \ - _(R16) _(R17) _(R18) _(R19) _(R20) _(R21) _(R22) _(R23) \ - _(R24) _(R25) _(R26) _(R27) _(R28) _(R29) _(R30) _(R31) -#define FPRDEF(_) \ - _(F0) _(F1) _(F2) _(F3) _(F4) _(F5) _(F6) _(F7) \ - _(F8) _(F9) _(F10) _(F11) _(F12) _(F13) _(F14) _(F15) \ - _(F16) _(F17) _(F18) _(F19) _(F20) _(F21) _(F22) _(F23) \ - _(F24) _(F25) _(F26) _(F27) _(F28) _(F29) _(F30) _(F31) -#define VRIDDEF(_) - -#define RIDENUM(name) RID_##name, - -enum { - GPRDEF(RIDENUM) /* General-purpose registers (GPRs). */ - FPRDEF(RIDENUM) /* Floating-point registers (FPRs). */ - RID_MAX, - RID_TMP = RID_R0, - - /* Calling conventions. */ - RID_RET = RID_R3, - RID_RETHI = RID_R3, - RID_RETLO = RID_R4, - RID_FPRET = RID_F1, - - /* These definitions must match with the *.dasc file(s): */ - RID_BASE = RID_R14, /* Interpreter BASE. */ - RID_LPC = RID_R16, /* Interpreter PC. */ - RID_DISPATCH = RID_R17, /* Interpreter DISPATCH table. */ - RID_LREG = RID_R18, /* Interpreter L. */ - RID_JGL = RID_R31, /* On-trace: global_State + 32768. */ - - /* Register ranges [min, max) and number of registers. */ - RID_MIN_GPR = RID_R0, - RID_MAX_GPR = RID_R31+1, - RID_MIN_FPR = RID_F0, - RID_MAX_FPR = RID_F31+1, - RID_NUM_GPR = RID_MAX_GPR - RID_MIN_GPR, - RID_NUM_FPR = RID_MAX_FPR - RID_MIN_FPR -}; - -#define RID_NUM_KREF RID_NUM_GPR -#define RID_MIN_KREF RID_R0 - -/* -- Register sets ------------------------------------------------------- */ - -/* Make use of all registers, except TMP, SP, SYS1, SYS2 and JGL. */ -#define RSET_FIXED \ - (RID2RSET(RID_TMP)|RID2RSET(RID_SP)|RID2RSET(RID_SYS1)|\ - RID2RSET(RID_SYS2)|RID2RSET(RID_JGL)) -#define RSET_GPR (RSET_RANGE(RID_MIN_GPR, RID_MAX_GPR) - RSET_FIXED) -#define RSET_FPR RSET_RANGE(RID_MIN_FPR, RID_MAX_FPR) -#define RSET_ALL (RSET_GPR|RSET_FPR) -#define RSET_INIT RSET_ALL - -#define RSET_SCRATCH_GPR (RSET_RANGE(RID_R3, RID_R12+1)) -#define RSET_SCRATCH_FPR (RSET_RANGE(RID_F0, RID_F13+1)) -#define RSET_SCRATCH (RSET_SCRATCH_GPR|RSET_SCRATCH_FPR) -#define REGARG_FIRSTGPR RID_R3 -#define REGARG_LASTGPR RID_R10 -#define REGARG_NUMGPR 8 -#define REGARG_FIRSTFPR RID_F1 -#define REGARG_LASTFPR RID_F8 -#define REGARG_NUMFPR 8 - -/* -- Spill slots --------------------------------------------------------- */ - -/* Spill slots are 32 bit wide. An even/odd pair is used for FPRs. -** -** SPS_FIXED: Available fixed spill slots in interpreter frame. -** This definition must match with the *.dasc file(s). -** -** SPS_FIRST: First spill slot for general use. -** [sp+12] tmplo word \ -** [sp+ 8] tmphi word / tmp dword, parameter area for callee -** [sp+ 4] tmpw, LR of callee -** [sp+ 0] stack chain -*/ -#define SPS_FIXED 7 -#define SPS_FIRST 4 - -/* Stack offsets for temporary slots. Used for FP<->int conversions etc. */ -#define SPOFS_TMPW 4 -#define SPOFS_TMP 8 -#define SPOFS_TMPHI 8 -#define SPOFS_TMPLO 12 - -#define sps_scale(slot) (4 * (int32_t)(slot)) -#define sps_align(slot) (((slot) - SPS_FIXED + 3) & ~3) - -/* -- Exit state ---------------------------------------------------------- */ - -/* This definition must match with the *.dasc file(s). */ -typedef struct { - lua_Number fpr[RID_NUM_FPR]; /* Floating-point registers. */ - int32_t gpr[RID_NUM_GPR]; /* General-purpose registers. */ - int32_t spill[256]; /* Spill slots. */ -} ExitState; - -/* Highest exit + 1 indicates stack check. */ -#define EXITSTATE_CHECKEXIT 1 - -/* Return the address of a per-trace exit stub. */ -static LJ_AINLINE uint32_t *exitstub_trace_addr_(uint32_t *p, uint32_t exitno) -{ - while (*p == 0x60000000) p++; /* Skip PPCI_NOP. */ - return p + 3 + exitno; -} -/* Avoid dependence on lj_jit.h if only including lj_target.h. */ -#define exitstub_trace_addr(T, exitno) \ - exitstub_trace_addr_((MCode *)((char *)(T)->mcode + (T)->szmcode), (exitno)) - -/* -- Instructions -------------------------------------------------------- */ - -/* Instruction fields. */ -#define PPCF_CC(cc) ((((cc) & 3) << 16) | (((cc) & 4) << 22)) -#define PPCF_T(r) ((r) << 21) -#define PPCF_A(r) ((r) << 16) -#define PPCF_B(r) ((r) << 11) -#define PPCF_C(r) ((r) << 6) -#define PPCF_MB(n) ((n) << 6) -#define PPCF_ME(n) ((n) << 1) -#define PPCF_Y 0x00200000 -#define PPCF_DOT 0x00000001 - -typedef enum PPCIns { - /* Integer instructions. */ - PPCI_MR = 0x7c000378, - PPCI_NOP = 0x60000000, - - PPCI_LI = 0x38000000, - PPCI_LIS = 0x3c000000, - - PPCI_ADD = 0x7c000214, - PPCI_ADDC = 0x7c000014, - PPCI_ADDO = 0x7c000614, - PPCI_ADDE = 0x7c000114, - PPCI_ADDZE = 0x7c000194, - PPCI_ADDME = 0x7c0001d4, - PPCI_ADDI = 0x38000000, - PPCI_ADDIS = 0x3c000000, - PPCI_ADDIC = 0x30000000, - PPCI_ADDICDOT = 0x34000000, - - PPCI_SUBF = 0x7c000050, - PPCI_SUBFC = 0x7c000010, - PPCI_SUBFO = 0x7c000450, - PPCI_SUBFE = 0x7c000110, - PPCI_SUBFZE = 0x7c000190, - PPCI_SUBFME = 0x7c0001d0, - PPCI_SUBFIC = 0x20000000, - - PPCI_NEG = 0x7c0000d0, - - PPCI_AND = 0x7c000038, - PPCI_ANDC = 0x7c000078, - PPCI_NAND = 0x7c0003b8, - PPCI_ANDIDOT = 0x70000000, - PPCI_ANDISDOT = 0x74000000, - - PPCI_OR = 0x7c000378, - PPCI_NOR = 0x7c0000f8, - PPCI_ORI = 0x60000000, - PPCI_ORIS = 0x64000000, - - PPCI_XOR = 0x7c000278, - PPCI_EQV = 0x7c000238, - PPCI_XORI = 0x68000000, - PPCI_XORIS = 0x6c000000, - - PPCI_CMPW = 0x7c000000, - PPCI_CMPLW = 0x7c000040, - PPCI_CMPWI = 0x2c000000, - PPCI_CMPLWI = 0x28000000, - - PPCI_MULLW = 0x7c0001d6, - PPCI_MULLI = 0x1c000000, - PPCI_MULLWO = 0x7c0005d6, - - PPCI_EXTSB = 0x7c000774, - PPCI_EXTSH = 0x7c000734, - - PPCI_SLW = 0x7c000030, - PPCI_SRW = 0x7c000430, - PPCI_SRAW = 0x7c000630, - PPCI_SRAWI = 0x7c000670, - - PPCI_RLWNM = 0x5c000000, - PPCI_RLWINM = 0x54000000, - PPCI_RLWIMI = 0x50000000, - - PPCI_B = 0x48000000, - PPCI_BL = 0x48000001, - PPCI_BC = 0x40800000, - PPCI_BCL = 0x40800001, - PPCI_BCTR = 0x4e800420, - PPCI_BCTRL = 0x4e800421, - - PPCI_CRANDC = 0x4c000102, - PPCI_CRXOR = 0x4c000182, - PPCI_CRAND = 0x4c000202, - PPCI_CREQV = 0x4c000242, - PPCI_CRORC = 0x4c000342, - PPCI_CROR = 0x4c000382, - - PPCI_MFLR = 0x7c0802a6, - PPCI_MTCTR = 0x7c0903a6, - - PPCI_MCRXR = 0x7c000400, - - /* Load/store instructions. */ - PPCI_LWZ = 0x80000000, - PPCI_LBZ = 0x88000000, - PPCI_STW = 0x90000000, - PPCI_STB = 0x98000000, - PPCI_LHZ = 0xa0000000, - PPCI_LHA = 0xa8000000, - PPCI_STH = 0xb0000000, - - PPCI_STWU = 0x94000000, - - PPCI_LFS = 0xc0000000, - PPCI_LFD = 0xc8000000, - PPCI_STFS = 0xd0000000, - PPCI_STFD = 0xd8000000, - - PPCI_LWZX = 0x7c00002e, - PPCI_LBZX = 0x7c0000ae, - PPCI_STWX = 0x7c00012e, - PPCI_STBX = 0x7c0001ae, - PPCI_LHZX = 0x7c00022e, - PPCI_LHAX = 0x7c0002ae, - PPCI_STHX = 0x7c00032e, - - PPCI_LWBRX = 0x7c00042c, - PPCI_STWBRX = 0x7c00052c, - - PPCI_LFSX = 0x7c00042e, - PPCI_LFDX = 0x7c0004ae, - PPCI_STFSX = 0x7c00052e, - PPCI_STFDX = 0x7c0005ae, - - /* FP instructions. */ - PPCI_FMR = 0xfc000090, - PPCI_FNEG = 0xfc000050, - PPCI_FABS = 0xfc000210, - - PPCI_FRSP = 0xfc000018, - PPCI_FCTIWZ = 0xfc00001e, - - PPCI_FADD = 0xfc00002a, - PPCI_FSUB = 0xfc000028, - PPCI_FMUL = 0xfc000032, - PPCI_FDIV = 0xfc000024, - - PPCI_FMADD = 0xfc00003a, - PPCI_FMSUB = 0xfc000038, - PPCI_FNMSUB = 0xfc00003c, - - PPCI_FCMPU = 0xfc000000, - PPCI_FSEL = 0xfc00002e, -} PPCIns; - -typedef enum PPCCC { - CC_GE, CC_LE, CC_NE, CC_NS, CC_LT, CC_GT, CC_EQ, CC_SO -} PPCCC; - -#endif diff --git a/libraries/luajit-2.0/src/lj_target_x86.h b/libraries/luajit-2.0/src/lj_target_x86.h deleted file mode 100644 index 593e7b0..0000000 --- a/libraries/luajit-2.0/src/lj_target_x86.h +++ /dev/null @@ -1,337 +0,0 @@ -/* -** Definitions for x86 and x64 CPUs. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_TARGET_X86_H -#define _LJ_TARGET_X86_H - -/* -- Registers IDs ------------------------------------------------------- */ - -#if LJ_64 -#define GPRDEF(_) \ - _(EAX) _(ECX) _(EDX) _(EBX) _(ESP) _(EBP) _(ESI) _(EDI) \ - _(R8D) _(R9D) _(R10D) _(R11D) _(R12D) _(R13D) _(R14D) _(R15D) -#define FPRDEF(_) \ - _(XMM0) _(XMM1) _(XMM2) _(XMM3) _(XMM4) _(XMM5) _(XMM6) _(XMM7) \ - _(XMM8) _(XMM9) _(XMM10) _(XMM11) _(XMM12) _(XMM13) _(XMM14) _(XMM15) -#else -#define GPRDEF(_) \ - _(EAX) _(ECX) _(EDX) _(EBX) _(ESP) _(EBP) _(ESI) _(EDI) -#define FPRDEF(_) \ - _(XMM0) _(XMM1) _(XMM2) _(XMM3) _(XMM4) _(XMM5) _(XMM6) _(XMM7) -#endif -#define VRIDDEF(_) \ - _(MRM) - -#define RIDENUM(name) RID_##name, - -enum { - GPRDEF(RIDENUM) /* General-purpose registers (GPRs). */ - FPRDEF(RIDENUM) /* Floating-point registers (FPRs). */ - RID_MAX, - RID_MRM = RID_MAX, /* Pseudo-id for ModRM operand. */ - - /* Calling conventions. */ - RID_RET = RID_EAX, -#if LJ_64 - RID_FPRET = RID_XMM0, -#else - RID_RETLO = RID_EAX, - RID_RETHI = RID_EDX, -#endif - - /* These definitions must match with the *.dasc file(s): */ - RID_BASE = RID_EDX, /* Interpreter BASE. */ -#if LJ_64 && !LJ_ABI_WIN - RID_LPC = RID_EBX, /* Interpreter PC. */ - RID_DISPATCH = RID_R14D, /* Interpreter DISPATCH table. */ -#else - RID_LPC = RID_ESI, /* Interpreter PC. */ - RID_DISPATCH = RID_EBX, /* Interpreter DISPATCH table. */ -#endif - - /* Register ranges [min, max) and number of registers. */ - RID_MIN_GPR = RID_EAX, - RID_MIN_FPR = RID_XMM0, - RID_MAX_GPR = RID_MIN_FPR, - RID_MAX_FPR = RID_MAX, - RID_NUM_GPR = RID_MAX_GPR - RID_MIN_GPR, - RID_NUM_FPR = RID_MAX_FPR - RID_MIN_FPR, -}; - -/* -- Register sets ------------------------------------------------------- */ - -/* Make use of all registers, except the stack pointer. */ -#define RSET_GPR (RSET_RANGE(RID_MIN_GPR, RID_MAX_GPR)-RID2RSET(RID_ESP)) -#define RSET_FPR (RSET_RANGE(RID_MIN_FPR, RID_MAX_FPR)) -#define RSET_ALL (RSET_GPR|RSET_FPR) -#define RSET_INIT RSET_ALL - -#if LJ_64 -/* Note: this requires the use of FORCE_REX! */ -#define RSET_GPR8 RSET_GPR -#else -#define RSET_GPR8 (RSET_RANGE(RID_EAX, RID_EBX+1)) -#endif - -/* ABI-specific register sets. */ -#define RSET_ACD (RID2RSET(RID_EAX)|RID2RSET(RID_ECX)|RID2RSET(RID_EDX)) -#if LJ_64 -#if LJ_ABI_WIN -/* Windows x64 ABI. */ -#define RSET_SCRATCH \ - (RSET_ACD|RSET_RANGE(RID_R8D, RID_R11D+1)|RSET_RANGE(RID_XMM0, RID_XMM5+1)) -#define REGARG_GPRS \ - (RID_ECX|((RID_EDX|((RID_R8D|(RID_R9D<<5))<<5))<<5)) -#define REGARG_NUMGPR 4 -#define REGARG_NUMFPR 4 -#define REGARG_FIRSTFPR RID_XMM0 -#define REGARG_LASTFPR RID_XMM3 -#define STACKARG_OFS (4*8) -#else -/* The rest of the civilized x64 world has a common ABI. */ -#define RSET_SCRATCH \ - (RSET_ACD|RSET_RANGE(RID_ESI, RID_R11D+1)|RSET_FPR) -#define REGARG_GPRS \ - (RID_EDI|((RID_ESI|((RID_EDX|((RID_ECX|((RID_R8D|(RID_R9D \ - <<5))<<5))<<5))<<5))<<5)) -#define REGARG_NUMGPR 6 -#define REGARG_NUMFPR 8 -#define REGARG_FIRSTFPR RID_XMM0 -#define REGARG_LASTFPR RID_XMM7 -#define STACKARG_OFS 0 -#endif -#else -/* Common x86 ABI. */ -#define RSET_SCRATCH (RSET_ACD|RSET_FPR) -#define REGARG_GPRS (RID_ECX|(RID_EDX<<5)) /* Fastcall only. */ -#define REGARG_NUMGPR 2 /* Fastcall only. */ -#define REGARG_NUMFPR 0 -#define STACKARG_OFS 0 -#endif - -#if LJ_64 -/* Prefer the low 8 regs of each type to reduce REX prefixes. */ -#undef rset_picktop -#define rset_picktop(rs) (lj_fls(lj_bswap(rs)) ^ 0x18) -#endif - -/* -- Spill slots --------------------------------------------------------- */ - -/* Spill slots are 32 bit wide. An even/odd pair is used for FPRs. -** -** SPS_FIXED: Available fixed spill slots in interpreter frame. -** This definition must match with the *.dasc file(s). -** -** SPS_FIRST: First spill slot for general use. Reserve min. two 32 bit slots. -*/ -#if LJ_64 -#if LJ_ABI_WIN -#define SPS_FIXED (4*2) -#define SPS_FIRST (4*2) /* Don't use callee register save area. */ -#else -#define SPS_FIXED 4 -#define SPS_FIRST 2 -#endif -#else -#define SPS_FIXED 6 -#define SPS_FIRST 2 -#endif - -#define sps_scale(slot) (4 * (int32_t)(slot)) -#define sps_align(slot) (((slot) - SPS_FIXED + 3) & ~3) - -/* -- Exit state ---------------------------------------------------------- */ - -/* This definition must match with the *.dasc file(s). */ -typedef struct { - lua_Number fpr[RID_NUM_FPR]; /* Floating-point registers. */ - intptr_t gpr[RID_NUM_GPR]; /* General-purpose registers. */ - int32_t spill[256]; /* Spill slots. */ -} ExitState; - -/* Limited by the range of a short fwd jump (127): (2+2)*(32-1)-2 = 122. */ -#define EXITSTUB_SPACING (2+2) -#define EXITSTUBS_PER_GROUP 32 - -/* -- x86 ModRM operand encoding ------------------------------------------ */ - -typedef enum { - XM_OFS0 = 0x00, XM_OFS8 = 0x40, XM_OFS32 = 0x80, XM_REG = 0xc0, - XM_SCALE1 = 0x00, XM_SCALE2 = 0x40, XM_SCALE4 = 0x80, XM_SCALE8 = 0xc0, - XM_MASK = 0xc0 -} x86Mode; - -/* Structure to hold variable ModRM operand. */ -typedef struct { - int32_t ofs; /* Offset. */ - uint8_t base; /* Base register or RID_NONE. */ - uint8_t idx; /* Index register or RID_NONE. */ - uint8_t scale; /* Index scale (XM_SCALE1 .. XM_SCALE8). */ -} x86ModRM; - -/* -- Opcodes ------------------------------------------------------------- */ - -/* Macros to construct variable-length x86 opcodes. -(len+1) is in LSB. */ -#define XO_(o) ((uint32_t)(0x0000fe + (0x##o<<24))) -#define XO_FPU(a,b) ((uint32_t)(0x00fd + (0x##a<<16)+(0x##b<<24))) -#define XO_0f(o) ((uint32_t)(0x0f00fd + (0x##o<<24))) -#define XO_66(o) ((uint32_t)(0x6600fd + (0x##o<<24))) -#define XO_660f(o) ((uint32_t)(0x0f66fc + (0x##o<<24))) -#define XO_f20f(o) ((uint32_t)(0x0ff2fc + (0x##o<<24))) -#define XO_f30f(o) ((uint32_t)(0x0ff3fc + (0x##o<<24))) - -/* This list of x86 opcodes is not intended to be complete. Opcodes are only -** included when needed. Take a look at DynASM or jit.dis_x86 to see the -** whole mess. -*/ -typedef enum { - /* Fixed length opcodes. XI_* prefix. */ - XI_NOP = 0x90, - XI_CALL = 0xe8, - XI_JMP = 0xe9, - XI_JMPs = 0xeb, - XI_PUSH = 0x50, /* Really 50+r. */ - XI_JCCs = 0x70, /* Really 7x. */ - XI_JCCn = 0x80, /* Really 0f8x. */ - XI_LEA = 0x8d, - XI_MOVrib = 0xb0, /* Really b0+r. */ - XI_MOVri = 0xb8, /* Really b8+r. */ - XI_ARITHib = 0x80, - XI_ARITHi = 0x81, - XI_ARITHi8 = 0x83, - XI_PUSHi8 = 0x6a, - XI_TEST = 0x85, - XI_MOVmi = 0xc7, - XI_GROUP5 = 0xff, - - /* Note: little-endian byte-order! */ - XI_FLDZ = 0xeed9, - XI_FLD1 = 0xe8d9, - XI_FLDLG2 = 0xecd9, - XI_FLDLN2 = 0xedd9, - XI_FDUP = 0xc0d9, /* Really fld st0. */ - XI_FPOP = 0xd8dd, /* Really fstp st0. */ - XI_FPOP1 = 0xd9dd, /* Really fstp st1. */ - XI_FRNDINT = 0xfcd9, - XI_FSIN = 0xfed9, - XI_FCOS = 0xffd9, - XI_FPTAN = 0xf2d9, - XI_FPATAN = 0xf3d9, - XI_FSCALE = 0xfdd9, - XI_FYL2X = 0xf1d9, - - /* Variable-length opcodes. XO_* prefix. */ - XO_MOV = XO_(8b), - XO_MOVto = XO_(89), - XO_MOVtow = XO_66(89), - XO_MOVtob = XO_(88), - XO_MOVmi = XO_(c7), - XO_MOVmib = XO_(c6), - XO_LEA = XO_(8d), - XO_ARITHib = XO_(80), - XO_ARITHi = XO_(81), - XO_ARITHi8 = XO_(83), - XO_ARITHiw8 = XO_66(83), - XO_SHIFTi = XO_(c1), - XO_SHIFT1 = XO_(d1), - XO_SHIFTcl = XO_(d3), - XO_IMUL = XO_0f(af), - XO_IMULi = XO_(69), - XO_IMULi8 = XO_(6b), - XO_CMP = XO_(3b), - XO_TEST = XO_(85), - XO_GROUP3b = XO_(f6), - XO_GROUP3 = XO_(f7), - XO_GROUP5b = XO_(fe), - XO_GROUP5 = XO_(ff), - XO_MOVZXb = XO_0f(b6), - XO_MOVZXw = XO_0f(b7), - XO_MOVSXb = XO_0f(be), - XO_MOVSXw = XO_0f(bf), - XO_MOVSXd = XO_(63), - XO_BSWAP = XO_0f(c8), - XO_CMOV = XO_0f(40), - - XO_MOVSD = XO_f20f(10), - XO_MOVSDto = XO_f20f(11), - XO_MOVSS = XO_f30f(10), - XO_MOVSSto = XO_f30f(11), - XO_MOVLPD = XO_660f(12), - XO_MOVAPS = XO_0f(28), - XO_XORPS = XO_0f(57), - XO_ANDPS = XO_0f(54), - XO_ADDSD = XO_f20f(58), - XO_SUBSD = XO_f20f(5c), - XO_MULSD = XO_f20f(59), - XO_DIVSD = XO_f20f(5e), - XO_SQRTSD = XO_f20f(51), - XO_MINSD = XO_f20f(5d), - XO_MAXSD = XO_f20f(5f), - XO_ROUNDSD = 0x0b3a0ffc, /* Really 66 0f 3a 0b. See asm_fpmath. */ - XO_UCOMISD = XO_660f(2e), - XO_CVTSI2SD = XO_f20f(2a), - XO_CVTSD2SI = XO_f20f(2d), - XO_CVTTSD2SI= XO_f20f(2c), - XO_CVTSI2SS = XO_f30f(2a), - XO_CVTSS2SI = XO_f30f(2d), - XO_CVTTSS2SI= XO_f30f(2c), - XO_CVTSS2SD = XO_f30f(5a), - XO_CVTSD2SS = XO_f20f(5a), - XO_ADDSS = XO_f30f(58), - XO_MOVD = XO_660f(6e), - XO_MOVDto = XO_660f(7e), - - XO_FLDd = XO_(d9), XOg_FLDd = 0, - XO_FLDq = XO_(dd), XOg_FLDq = 0, - XO_FILDd = XO_(db), XOg_FILDd = 0, - XO_FILDq = XO_(df), XOg_FILDq = 5, - XO_FSTPd = XO_(d9), XOg_FSTPd = 3, - XO_FSTPq = XO_(dd), XOg_FSTPq = 3, - XO_FISTPq = XO_(df), XOg_FISTPq = 7, - XO_FISTTPq = XO_(dd), XOg_FISTTPq = 1, - XO_FADDq = XO_(dc), XOg_FADDq = 0, - XO_FLDCW = XO_(d9), XOg_FLDCW = 5, - XO_FNSTCW = XO_(d9), XOg_FNSTCW = 7 -} x86Op; - -/* x86 opcode groups. */ -typedef uint32_t x86Group; - -#define XG_(i8, i, g) ((x86Group)(((i8) << 16) + ((i) << 8) + (g))) -#define XG_ARITHi(g) XG_(XI_ARITHi8, XI_ARITHi, g) -#define XG_TOXOi(xg) ((x86Op)(0x000000fe + (((xg)<<16) & 0xff000000))) -#define XG_TOXOi8(xg) ((x86Op)(0x000000fe + (((xg)<<8) & 0xff000000))) - -#define XO_ARITH(a) ((x86Op)(0x030000fe + ((a)<<27))) -#define XO_ARITHw(a) ((x86Op)(0x036600fd + ((a)<<27))) - -typedef enum { - XOg_ADD, XOg_OR, XOg_ADC, XOg_SBB, XOg_AND, XOg_SUB, XOg_XOR, XOg_CMP, - XOg_X_IMUL -} x86Arith; - -typedef enum { - XOg_ROL, XOg_ROR, XOg_RCL, XOg_RCR, XOg_SHL, XOg_SHR, XOg_SAL, XOg_SAR -} x86Shift; - -typedef enum { - XOg_TEST, XOg_TEST_, XOg_NOT, XOg_NEG, XOg_MUL, XOg_IMUL, XOg_DIV, XOg_IDIV -} x86Group3; - -typedef enum { - XOg_INC, XOg_DEC, XOg_CALL, XOg_CALLfar, XOg_JMP, XOg_JMPfar, XOg_PUSH -} x86Group5; - -/* x86 condition codes. */ -typedef enum { - CC_O, CC_NO, CC_B, CC_NB, CC_E, CC_NE, CC_BE, CC_NBE, - CC_S, CC_NS, CC_P, CC_NP, CC_L, CC_NL, CC_LE, CC_NLE, - CC_C = CC_B, CC_NAE = CC_C, CC_NC = CC_NB, CC_AE = CC_NB, - CC_Z = CC_E, CC_NZ = CC_NE, CC_NA = CC_BE, CC_A = CC_NBE, - CC_PE = CC_P, CC_PO = CC_NP, CC_NGE = CC_L, CC_GE = CC_NL, - CC_NG = CC_LE, CC_G = CC_NLE -} x86CC; - -#endif diff --git a/libraries/luajit-2.0/src/lj_trace.c b/libraries/luajit-2.0/src/lj_trace.c deleted file mode 100644 index 9645ecb..0000000 --- a/libraries/luajit-2.0/src/lj_trace.c +++ /dev/null @@ -1,812 +0,0 @@ -/* -** Trace management. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_trace_c -#define LUA_CORE - -#include "lj_obj.h" - -#if LJ_HASJIT - -#include "lj_gc.h" -#include "lj_err.h" -#include "lj_debug.h" -#include "lj_str.h" -#include "lj_frame.h" -#include "lj_state.h" -#include "lj_bc.h" -#include "lj_ir.h" -#include "lj_jit.h" -#include "lj_iropt.h" -#include "lj_mcode.h" -#include "lj_trace.h" -#include "lj_snap.h" -#include "lj_gdbjit.h" -#include "lj_record.h" -#include "lj_asm.h" -#include "lj_dispatch.h" -#include "lj_vm.h" -#include "lj_vmevent.h" -#include "lj_target.h" - -/* -- Error handling ------------------------------------------------------ */ - -/* Synchronous abort with error message. */ -void lj_trace_err(jit_State *J, TraceError e) -{ - setnilV(&J->errinfo); /* No error info. */ - setintV(J->L->top++, (int32_t)e); - lj_err_throw(J->L, LUA_ERRRUN); -} - -/* Synchronous abort with error message and error info. */ -void lj_trace_err_info(jit_State *J, TraceError e) -{ - setintV(J->L->top++, (int32_t)e); - lj_err_throw(J->L, LUA_ERRRUN); -} - -/* -- Trace management ---------------------------------------------------- */ - -/* The current trace is first assembled in J->cur. The variable length -** arrays point to shared, growable buffers (J->irbuf etc.). When trace -** recording ends successfully, the current trace and its data structures -** are copied to a new (compact) GCtrace object. -*/ - -/* Find a free trace number. */ -static TraceNo trace_findfree(jit_State *J) -{ - MSize osz, lim; - if (J->freetrace == 0) - J->freetrace = 1; - for (; J->freetrace < J->sizetrace; J->freetrace++) - if (traceref(J, J->freetrace) == NULL) - return J->freetrace++; - /* Need to grow trace array. */ - lim = (MSize)J->param[JIT_P_maxtrace] + 1; - if (lim < 2) lim = 2; else if (lim > 65535) lim = 65535; - osz = J->sizetrace; - if (osz >= lim) - return 0; /* Too many traces. */ - lj_mem_growvec(J->L, J->trace, J->sizetrace, lim, GCRef); - for (; osz < J->sizetrace; osz++) - setgcrefnull(J->trace[osz]); - return J->freetrace; -} - -#define TRACE_APPENDVEC(field, szfield, tp) \ - T->field = (tp *)p; \ - memcpy(p, J->cur.field, J->cur.szfield*sizeof(tp)); \ - p += J->cur.szfield*sizeof(tp); - -#ifdef LUAJIT_USE_PERFTOOLS -/* -** Create symbol table of JIT-compiled code. For use with Linux perf tools. -** Example usage: -** perf record -f -e cycles luajit test.lua -** perf report -s symbol -** rm perf.data /tmp/perf-*.map -*/ -#include -#include - -static void perftools_addtrace(GCtrace *T) -{ - static FILE *fp; - GCproto *pt = &gcref(T->startpt)->pt; - const BCIns *startpc = mref(T->startpc, const BCIns); - const char *name = proto_chunknamestr(pt); - BCLine lineno; - if (name[0] == '@' || name[0] == '=') - name++; - else - name = "(string)"; - lua_assert(startpc >= proto_bc(pt) && startpc < proto_bc(pt) + pt->sizebc); - lineno = lj_debug_line(pt, proto_bcpos(pt, startpc)); - if (!fp) { - char fname[40]; - sprintf(fname, "/tmp/perf-%d.map", getpid()); - if (!(fp = fopen(fname, "w"))) return; - setlinebuf(fp); - } - fprintf(fp, "%lx %x TRACE_%d::%s:%u\n", - (long)T->mcode, T->szmcode, T->traceno, name, lineno); -} -#endif - -/* Save current trace by copying and compacting it. */ -static void trace_save(jit_State *J) -{ - size_t sztr = ((sizeof(GCtrace)+7)&~7); - size_t szins = (J->cur.nins-J->cur.nk)*sizeof(IRIns); - size_t sz = sztr + szins + - J->cur.nsnap*sizeof(SnapShot) + - J->cur.nsnapmap*sizeof(SnapEntry); - GCtrace *T = lj_mem_newt(J->L, (MSize)sz, GCtrace); - char *p = (char *)T + sztr; - memcpy(T, &J->cur, sizeof(GCtrace)); - setgcrefr(T->nextgc, J2G(J)->gc.root); - setgcrefp(J2G(J)->gc.root, T); - newwhite(J2G(J), T); - T->gct = ~LJ_TTRACE; - T->ir = (IRIns *)p - J->cur.nk; - memcpy(p, J->cur.ir+J->cur.nk, szins); - p += szins; - TRACE_APPENDVEC(snap, nsnap, SnapShot) - TRACE_APPENDVEC(snapmap, nsnapmap, SnapEntry) - J->cur.traceno = 0; - setgcrefp(J->trace[T->traceno], T); - lj_gc_barriertrace(J2G(J), T->traceno); - lj_gdbjit_addtrace(J, T); -#ifdef LUAJIT_USE_PERFTOOLS - perftools_addtrace(T); -#endif -} - -void LJ_FASTCALL lj_trace_free(global_State *g, GCtrace *T) -{ - jit_State *J = G2J(g); - if (T->traceno) { - lj_gdbjit_deltrace(J, T); - if (T->traceno < J->freetrace) - J->freetrace = T->traceno; - setgcrefnull(J->trace[T->traceno]); - } - lj_mem_free(g, T, - ((sizeof(GCtrace)+7)&~7) + (T->nins-T->nk)*sizeof(IRIns) + - T->nsnap*sizeof(SnapShot) + T->nsnapmap*sizeof(SnapEntry)); -} - -/* Re-enable compiling a prototype by unpatching any modified bytecode. */ -void lj_trace_reenableproto(GCproto *pt) -{ - if ((pt->flags & PROTO_ILOOP)) { - BCIns *bc = proto_bc(pt); - BCPos i, sizebc = pt->sizebc;; - pt->flags &= ~PROTO_ILOOP; - if (bc_op(bc[0]) == BC_IFUNCF) - setbc_op(&bc[0], BC_FUNCF); - for (i = 1; i < sizebc; i++) { - BCOp op = bc_op(bc[i]); - if (op == BC_IFORL || op == BC_IITERL || op == BC_ILOOP) - setbc_op(&bc[i], (int)op+(int)BC_LOOP-(int)BC_ILOOP); - } - } -} - -/* Unpatch the bytecode modified by a root trace. */ -static void trace_unpatch(jit_State *J, GCtrace *T) -{ - BCOp op = bc_op(T->startins); - BCIns *pc = mref(T->startpc, BCIns); - UNUSED(J); - if (op == BC_JMP) - return; /* No need to unpatch branches in parent traces (yet). */ - switch (bc_op(*pc)) { - case BC_JFORL: - lua_assert(traceref(J, bc_d(*pc)) == T); - *pc = T->startins; - pc += bc_j(T->startins); - lua_assert(bc_op(*pc) == BC_JFORI); - setbc_op(pc, BC_FORI); - break; - case BC_JITERL: - case BC_JLOOP: - lua_assert(op == BC_ITERL || op == BC_LOOP || bc_isret(op)); - *pc = T->startins; - break; - case BC_JMP: - lua_assert(op == BC_ITERL); - pc += bc_j(*pc)+2; - if (bc_op(*pc) == BC_JITERL) { - lua_assert(traceref(J, bc_d(*pc)) == T); - *pc = T->startins; - } - break; - case BC_JFUNCF: - lua_assert(op == BC_FUNCF); - *pc = T->startins; - break; - default: /* Already unpatched. */ - break; - } -} - -/* Flush a root trace. */ -static void trace_flushroot(jit_State *J, GCtrace *T) -{ - GCproto *pt = &gcref(T->startpt)->pt; - lua_assert(T->root == 0 && pt != NULL); - /* First unpatch any modified bytecode. */ - trace_unpatch(J, T); - /* Unlink root trace from chain anchored in prototype. */ - if (pt->trace == T->traceno) { /* Trace is first in chain. Easy. */ - pt->trace = T->nextroot; - } else if (pt->trace) { /* Otherwise search in chain of root traces. */ - GCtrace *T2 = traceref(J, pt->trace); - if (T2) { - for (; T2->nextroot; T2 = traceref(J, T2->nextroot)) - if (T2->nextroot == T->traceno) { - T2->nextroot = T->nextroot; /* Unlink from chain. */ - break; - } - } - } -} - -/* Flush a trace. Only root traces are considered. */ -void lj_trace_flush(jit_State *J, TraceNo traceno) -{ - if (traceno > 0 && traceno < J->sizetrace) { - GCtrace *T = traceref(J, traceno); - if (T && T->root == 0) - trace_flushroot(J, T); - } -} - -/* Flush all traces associated with a prototype. */ -void lj_trace_flushproto(global_State *g, GCproto *pt) -{ - while (pt->trace != 0) - trace_flushroot(G2J(g), traceref(G2J(g), pt->trace)); -} - -/* Flush all traces. */ -int lj_trace_flushall(lua_State *L) -{ - jit_State *J = L2J(L); - ptrdiff_t i; - if ((J2G(J)->hookmask & HOOK_GC)) - return 1; - for (i = (ptrdiff_t)J->sizetrace-1; i > 0; i--) { - GCtrace *T = traceref(J, i); - if (T) { - if (T->root == 0) - trace_flushroot(J, T); - lj_gdbjit_deltrace(J, T); - T->traceno = 0; - setgcrefnull(J->trace[i]); - } - } - J->cur.traceno = 0; - J->freetrace = 0; - /* Clear penalty cache. */ - memset(J->penalty, 0, sizeof(J->penalty)); - /* Free the whole machine code and invalidate all exit stub groups. */ - lj_mcode_free(J); - memset(J->exitstubgroup, 0, sizeof(J->exitstubgroup)); - lj_vmevent_send(L, TRACE, - setstrV(L, L->top++, lj_str_newlit(L, "flush")); - ); - return 0; -} - -/* Initialize JIT compiler state. */ -void lj_trace_initstate(global_State *g) -{ - jit_State *J = G2J(g); - TValue *tv; - /* Initialize SIMD constants. */ - tv = LJ_KSIMD(J, LJ_KSIMD_ABS); - tv[0].u64 = U64x(7fffffff,ffffffff); - tv[1].u64 = U64x(7fffffff,ffffffff); - tv = LJ_KSIMD(J, LJ_KSIMD_NEG); - tv[0].u64 = U64x(80000000,00000000); - tv[1].u64 = U64x(80000000,00000000); -} - -/* Free everything associated with the JIT compiler state. */ -void lj_trace_freestate(global_State *g) -{ - jit_State *J = G2J(g); -#ifdef LUA_USE_ASSERT - { /* This assumes all traces have already been freed. */ - ptrdiff_t i; - for (i = 1; i < (ptrdiff_t)J->sizetrace; i++) - lua_assert(i == (ptrdiff_t)J->cur.traceno || traceref(J, i) == NULL); - } -#endif - lj_mcode_free(J); - lj_ir_k64_freeall(J); - lj_mem_freevec(g, J->snapmapbuf, J->sizesnapmap, SnapEntry); - lj_mem_freevec(g, J->snapbuf, J->sizesnap, SnapShot); - lj_mem_freevec(g, J->irbuf + J->irbotlim, J->irtoplim - J->irbotlim, IRIns); - lj_mem_freevec(g, J->trace, J->sizetrace, GCRef); -} - -/* -- Penalties and blacklisting ------------------------------------------ */ - -/* Blacklist a bytecode instruction. */ -static void blacklist_pc(GCproto *pt, BCIns *pc) -{ - setbc_op(pc, (int)bc_op(*pc)+(int)BC_ILOOP-(int)BC_LOOP); - pt->flags |= PROTO_ILOOP; -} - -/* Penalize a bytecode instruction. */ -static void penalty_pc(jit_State *J, GCproto *pt, BCIns *pc, TraceError e) -{ - uint32_t i, val = PENALTY_MIN; - for (i = 0; i < PENALTY_SLOTS; i++) - if (mref(J->penalty[i].pc, const BCIns) == pc) { /* Cache slot found? */ - /* First try to bump its hotcount several times. */ - val = ((uint32_t)J->penalty[i].val << 1) + - LJ_PRNG_BITS(J, PENALTY_RNDBITS); - if (val > PENALTY_MAX) { - blacklist_pc(pt, pc); /* Blacklist it, if that didn't help. */ - return; - } - goto setpenalty; - } - /* Assign a new penalty cache slot. */ - i = J->penaltyslot; - J->penaltyslot = (J->penaltyslot + 1) & (PENALTY_SLOTS-1); - setmref(J->penalty[i].pc, pc); -setpenalty: - J->penalty[i].val = (uint16_t)val; - J->penalty[i].reason = e; - hotcount_set(J2GG(J), pc+1, val); -} - -/* -- Trace compiler state machine ---------------------------------------- */ - -/* Start tracing. */ -static void trace_start(jit_State *J) -{ - lua_State *L; - TraceNo traceno; - - if ((J->pt->flags & PROTO_NOJIT)) { /* JIT disabled for this proto? */ - if (J->parent == 0) { - /* Lazy bytecode patching to disable hotcount events. */ - lua_assert(bc_op(*J->pc) == BC_FORL || bc_op(*J->pc) == BC_ITERL || - bc_op(*J->pc) == BC_LOOP || bc_op(*J->pc) == BC_FUNCF); - setbc_op(J->pc, (int)bc_op(*J->pc)+(int)BC_ILOOP-(int)BC_LOOP); - J->pt->flags |= PROTO_ILOOP; - } - J->state = LJ_TRACE_IDLE; /* Silently ignored. */ - return; - } - - /* Get a new trace number. */ - traceno = trace_findfree(J); - if (LJ_UNLIKELY(traceno == 0)) { /* No free trace? */ - lua_assert((J2G(J)->hookmask & HOOK_GC) == 0); - lj_trace_flushall(J->L); - J->state = LJ_TRACE_IDLE; /* Silently ignored. */ - return; - } - setgcrefp(J->trace[traceno], &J->cur); - - /* Setup enough of the current trace to be able to send the vmevent. */ - memset(&J->cur, 0, sizeof(GCtrace)); - J->cur.traceno = traceno; - J->cur.nins = J->cur.nk = REF_BASE; - J->cur.ir = J->irbuf; - J->cur.snap = J->snapbuf; - J->cur.snapmap = J->snapmapbuf; - J->mergesnap = 0; - J->needsnap = 0; - J->bcskip = 0; - J->guardemit.irt = 0; - J->postproc = LJ_POST_NONE; - lj_resetsplit(J); - setgcref(J->cur.startpt, obj2gco(J->pt)); - - L = J->L; - lj_vmevent_send(L, TRACE, - setstrV(L, L->top++, lj_str_newlit(L, "start")); - setintV(L->top++, traceno); - setfuncV(L, L->top++, J->fn); - setintV(L->top++, proto_bcpos(J->pt, J->pc)); - if (J->parent) { - setintV(L->top++, J->parent); - setintV(L->top++, J->exitno); - } - ); - lj_record_setup(J); -} - -/* Stop tracing. */ -static void trace_stop(jit_State *J) -{ - BCIns *pc = mref(J->cur.startpc, BCIns); - BCOp op = bc_op(J->cur.startins); - GCproto *pt = &gcref(J->cur.startpt)->pt; - TraceNo traceno = J->cur.traceno; - lua_State *L; - - switch (op) { - case BC_FORL: - setbc_op(pc+bc_j(J->cur.startins), BC_JFORI); /* Patch FORI, too. */ - /* fallthrough */ - case BC_LOOP: - case BC_ITERL: - case BC_FUNCF: - /* Patch bytecode of starting instruction in root trace. */ - setbc_op(pc, (int)op+(int)BC_JLOOP-(int)BC_LOOP); - setbc_d(pc, traceno); - addroot: - /* Add to root trace chain in prototype. */ - J->cur.nextroot = pt->trace; - pt->trace = (TraceNo1)traceno; - break; - case BC_RET: - case BC_RET0: - case BC_RET1: - *pc = BCINS_AD(BC_JLOOP, J->cur.snap[0].nslots, traceno); - goto addroot; - case BC_JMP: - /* Patch exit branch in parent to side trace entry. */ - lua_assert(J->parent != 0 && J->cur.root != 0); - lj_asm_patchexit(J, traceref(J, J->parent), J->exitno, J->cur.mcode); - /* Avoid compiling a side trace twice (stack resizing uses parent exit). */ - traceref(J, J->parent)->snap[J->exitno].count = SNAPCOUNT_DONE; - /* Add to side trace chain in root trace. */ - { - GCtrace *root = traceref(J, J->cur.root); - root->nchild++; - J->cur.nextside = root->nextside; - root->nextside = (TraceNo1)traceno; - } - break; - default: - lua_assert(0); - break; - } - - /* Commit new mcode only after all patching is done. */ - lj_mcode_commit(J, J->cur.mcode); - J->postproc = LJ_POST_NONE; - trace_save(J); - - L = J->L; - lj_vmevent_send(L, TRACE, - setstrV(L, L->top++, lj_str_newlit(L, "stop")); - setintV(L->top++, traceno); - ); -} - -/* Start a new root trace for down-recursion. */ -static int trace_downrec(jit_State *J) -{ - /* Restart recording at the return instruction. */ - lua_assert(J->pt != NULL); - lua_assert(bc_isret(bc_op(*J->pc))); - if (bc_op(*J->pc) == BC_RETM) - return 0; /* NYI: down-recursion with RETM. */ - J->parent = 0; - J->exitno = 0; - J->state = LJ_TRACE_RECORD; - trace_start(J); - return 1; -} - -/* Abort tracing. */ -static int trace_abort(jit_State *J) -{ - lua_State *L = J->L; - TraceError e = LJ_TRERR_RECERR; - TraceNo traceno; - - J->postproc = LJ_POST_NONE; - lj_mcode_abort(J); - if (tvisnumber(L->top-1)) - e = (TraceError)numberVint(L->top-1); - if (e == LJ_TRERR_MCODELM) { - L->top--; /* Remove error object */ - J->state = LJ_TRACE_ASM; - return 1; /* Retry ASM with new MCode area. */ - } - /* Penalize or blacklist starting bytecode instruction. */ - if (J->parent == 0 && !bc_isret(bc_op(J->cur.startins))) - penalty_pc(J, &gcref(J->cur.startpt)->pt, mref(J->cur.startpc, BCIns), e); - - /* Is there anything to abort? */ - traceno = J->cur.traceno; - if (traceno) { - ptrdiff_t errobj = savestack(L, L->top-1); /* Stack may be resized. */ - J->cur.link = 0; - J->cur.linktype = LJ_TRLINK_NONE; - lj_vmevent_send(L, TRACE, - TValue *frame; - const BCIns *pc; - GCfunc *fn; - setstrV(L, L->top++, lj_str_newlit(L, "abort")); - setintV(L->top++, traceno); - /* Find original Lua function call to generate a better error message. */ - frame = J->L->base-1; - pc = J->pc; - while (!isluafunc(frame_func(frame))) { - pc = (frame_iscont(frame) ? frame_contpc(frame) : frame_pc(frame)) - 1; - frame = frame_prev(frame); - } - fn = frame_func(frame); - setfuncV(L, L->top++, fn); - setintV(L->top++, proto_bcpos(funcproto(fn), pc)); - copyTV(L, L->top++, restorestack(L, errobj)); - copyTV(L, L->top++, &J->errinfo); - ); - /* Drop aborted trace after the vmevent (which may still access it). */ - setgcrefnull(J->trace[traceno]); - if (traceno < J->freetrace) - J->freetrace = traceno; - J->cur.traceno = 0; - } - L->top--; /* Remove error object */ - if (e == LJ_TRERR_DOWNREC) - return trace_downrec(J); - else if (e == LJ_TRERR_MCODEAL) - lj_trace_flushall(L); - return 0; -} - -/* Perform pending re-patch of a bytecode instruction. */ -static LJ_AINLINE void trace_pendpatch(jit_State *J, int force) -{ - if (LJ_UNLIKELY(J->patchpc)) { - if (force || J->bcskip == 0) { - *J->patchpc = J->patchins; - J->patchpc = NULL; - } else { - J->bcskip = 0; - } - } -} - -/* State machine for the trace compiler. Protected callback. */ -static TValue *trace_state(lua_State *L, lua_CFunction dummy, void *ud) -{ - jit_State *J = (jit_State *)ud; - UNUSED(dummy); - do { - retry: - switch (J->state) { - case LJ_TRACE_START: - J->state = LJ_TRACE_RECORD; /* trace_start() may change state. */ - trace_start(J); - lj_dispatch_update(J2G(J)); - break; - - case LJ_TRACE_RECORD: - trace_pendpatch(J, 0); - setvmstate(J2G(J), RECORD); - lj_vmevent_send_(L, RECORD, - /* Save/restore tmptv state for trace recorder. */ - TValue savetv = J2G(J)->tmptv; - TValue savetv2 = J2G(J)->tmptv2; - setintV(L->top++, J->cur.traceno); - setfuncV(L, L->top++, J->fn); - setintV(L->top++, J->pt ? (int32_t)proto_bcpos(J->pt, J->pc) : -1); - setintV(L->top++, J->framedepth); - , - J2G(J)->tmptv = savetv; - J2G(J)->tmptv2 = savetv2; - ); - lj_record_ins(J); - break; - - case LJ_TRACE_END: - trace_pendpatch(J, 1); - J->loopref = 0; - if ((J->flags & JIT_F_OPT_LOOP) && - J->cur.link == J->cur.traceno && J->framedepth + J->retdepth == 0) { - setvmstate(J2G(J), OPT); - lj_opt_dce(J); - if (lj_opt_loop(J)) { /* Loop optimization failed? */ - J->cur.link = 0; - J->cur.linktype = LJ_TRLINK_NONE; - J->loopref = J->cur.nins; - J->state = LJ_TRACE_RECORD; /* Try to continue recording. */ - break; - } - J->loopref = J->chain[IR_LOOP]; /* Needed by assembler. */ - } - lj_opt_split(J); - J->state = LJ_TRACE_ASM; - break; - - case LJ_TRACE_ASM: - setvmstate(J2G(J), ASM); - lj_asm_trace(J, &J->cur); - trace_stop(J); - setvmstate(J2G(J), INTERP); - J->state = LJ_TRACE_IDLE; - lj_dispatch_update(J2G(J)); - return NULL; - - default: /* Trace aborted asynchronously. */ - setintV(L->top++, (int32_t)LJ_TRERR_RECERR); - /* fallthrough */ - case LJ_TRACE_ERR: - trace_pendpatch(J, 1); - if (trace_abort(J)) - goto retry; - setvmstate(J2G(J), INTERP); - J->state = LJ_TRACE_IDLE; - lj_dispatch_update(J2G(J)); - return NULL; - } - } while (J->state > LJ_TRACE_RECORD); - return NULL; -} - -/* -- Event handling ------------------------------------------------------ */ - -/* A bytecode instruction is about to be executed. Record it. */ -void lj_trace_ins(jit_State *J, const BCIns *pc) -{ - /* Note: J->L must already be set. pc is the true bytecode PC here. */ - J->pc = pc; - J->fn = curr_func(J->L); - J->pt = isluafunc(J->fn) ? funcproto(J->fn) : NULL; - while (lj_vm_cpcall(J->L, NULL, (void *)J, trace_state) != 0) - J->state = LJ_TRACE_ERR; -} - -/* A hotcount triggered. Start recording a root trace. */ -void LJ_FASTCALL lj_trace_hot(jit_State *J, const BCIns *pc) -{ - /* Note: pc is the interpreter bytecode PC here. It's offset by 1. */ - ERRNO_SAVE - /* Reset hotcount. */ - hotcount_set(J2GG(J), pc, J->param[JIT_P_hotloop]*HOTCOUNT_LOOP); - /* Only start a new trace if not recording or inside __gc call or vmevent. */ - if (J->state == LJ_TRACE_IDLE && - !(J2G(J)->hookmask & (HOOK_GC|HOOK_VMEVENT))) { - J->parent = 0; /* Root trace. */ - J->exitno = 0; - J->state = LJ_TRACE_START; - lj_trace_ins(J, pc-1); - } - ERRNO_RESTORE -} - -/* Check for a hot side exit. If yes, start recording a side trace. */ -static void trace_hotside(jit_State *J, const BCIns *pc) -{ - SnapShot *snap = &traceref(J, J->parent)->snap[J->exitno]; - if (!(J2G(J)->hookmask & (HOOK_GC|HOOK_VMEVENT)) && - snap->count != SNAPCOUNT_DONE && - ++snap->count >= J->param[JIT_P_hotexit]) { - lua_assert(J->state == LJ_TRACE_IDLE); - /* J->parent is non-zero for a side trace. */ - J->state = LJ_TRACE_START; - lj_trace_ins(J, pc); - } -} - -/* Tiny struct to pass data to protected call. */ -typedef struct ExitDataCP { - jit_State *J; - void *exptr; /* Pointer to exit state. */ - const BCIns *pc; /* Restart interpreter at this PC. */ -} ExitDataCP; - -/* Need to protect lj_snap_restore because it may throw. */ -static TValue *trace_exit_cp(lua_State *L, lua_CFunction dummy, void *ud) -{ - ExitDataCP *exd = (ExitDataCP *)ud; - cframe_errfunc(L->cframe) = -1; /* Inherit error function. */ - exd->pc = lj_snap_restore(exd->J, exd->exptr); - UNUSED(dummy); - return NULL; -} - -#ifndef LUAJIT_DISABLE_VMEVENT -/* Push all registers from exit state. */ -static void trace_exit_regs(lua_State *L, ExitState *ex) -{ - int32_t i; - setintV(L->top++, RID_NUM_GPR); - setintV(L->top++, RID_NUM_FPR); - for (i = 0; i < RID_NUM_GPR; i++) { - if (sizeof(ex->gpr[i]) == sizeof(int32_t)) - setintV(L->top++, (int32_t)ex->gpr[i]); - else - setnumV(L->top++, (lua_Number)ex->gpr[i]); - } -#if !LJ_SOFTFP - for (i = 0; i < RID_NUM_FPR; i++) { - setnumV(L->top, ex->fpr[i]); - if (LJ_UNLIKELY(tvisnan(L->top))) - setnanV(L->top); - L->top++; - } -#endif -} -#endif - -#ifdef EXITSTATE_PCREG -/* Determine trace number from pc of exit instruction. */ -static TraceNo trace_exit_find(jit_State *J, MCode *pc) -{ - TraceNo traceno; - for (traceno = 1; traceno < J->sizetrace; traceno++) { - GCtrace *T = traceref(J, traceno); - if (T && pc >= T->mcode && pc < (MCode *)((char *)T->mcode + T->szmcode)) - return traceno; - } - lua_assert(0); - return 0; -} -#endif - -/* A trace exited. Restore interpreter state. */ -int LJ_FASTCALL lj_trace_exit(jit_State *J, void *exptr) -{ - ERRNO_SAVE - lua_State *L = J->L; - ExitState *ex = (ExitState *)exptr; - ExitDataCP exd; - int errcode; - const BCIns *pc; - void *cf; - GCtrace *T; -#ifdef EXITSTATE_PCREG - J->parent = trace_exit_find(J, (MCode *)(intptr_t)ex->gpr[EXITSTATE_PCREG]); -#endif - T = traceref(J, J->parent); UNUSED(T); -#ifdef EXITSTATE_CHECKEXIT - if (J->exitno == T->nsnap) { /* Treat stack check like a parent exit. */ - lua_assert(T->root != 0); - J->exitno = T->ir[REF_BASE].op2; - J->parent = T->ir[REF_BASE].op1; - T = traceref(J, J->parent); - } -#endif - lua_assert(T != NULL && J->exitno < T->nsnap); - exd.J = J; - exd.exptr = exptr; - errcode = lj_vm_cpcall(L, NULL, &exd, trace_exit_cp); - if (errcode) - return -errcode; /* Return negated error code. */ - - lj_vmevent_send(L, TEXIT, - lj_state_checkstack(L, 4+RID_NUM_GPR+RID_NUM_FPR+LUA_MINSTACK); - setintV(L->top++, J->parent); - setintV(L->top++, J->exitno); - trace_exit_regs(L, ex); - ); - - pc = exd.pc; - cf = cframe_raw(L->cframe); - setcframe_pc(cf, pc); - if (G(L)->gc.state == GCSatomic || G(L)->gc.state == GCSfinalize) - lj_gc_step(L); /* Exited because of GC: drive GC forward. */ - else - trace_hotside(J, pc); - if (bc_op(*pc) == BC_JLOOP) { - BCIns *retpc = &traceref(J, bc_d(*pc))->startins; - if (bc_isret(bc_op(*retpc))) { - if (J->state == LJ_TRACE_RECORD) { - J->patchins = *pc; - J->patchpc = (BCIns *)pc; - *J->patchpc = *retpc; - J->bcskip = 1; - } else { - pc = retpc; - setcframe_pc(cf, pc); - } - } - } - /* Return MULTRES or 0. */ - ERRNO_RESTORE - switch (bc_op(*pc)) { - case BC_CALLM: case BC_CALLMT: - return (int)((BCReg)(L->top - L->base) - bc_a(*pc) - bc_c(*pc)); - case BC_RETM: - return (int)((BCReg)(L->top - L->base) + 1 - bc_a(*pc) - bc_d(*pc)); - case BC_TSETM: - return (int)((BCReg)(L->top - L->base) + 1 - bc_a(*pc)); - default: - if (bc_op(*pc) >= BC_FUNCF) - return (int)((BCReg)(L->top - L->base) + 1); - return 0; - } -} - -#endif diff --git a/libraries/luajit-2.0/src/lj_trace.h b/libraries/luajit-2.0/src/lj_trace.h deleted file mode 100644 index 25a456d..0000000 --- a/libraries/luajit-2.0/src/lj_trace.h +++ /dev/null @@ -1,53 +0,0 @@ -/* -** Trace management. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_TRACE_H -#define _LJ_TRACE_H - -#include "lj_obj.h" - -#if LJ_HASJIT -#include "lj_jit.h" -#include "lj_dispatch.h" - -/* Trace errors. */ -typedef enum { -#define TREDEF(name, msg) LJ_TRERR_##name, -#include "lj_traceerr.h" - LJ_TRERR__MAX -} TraceError; - -LJ_FUNC_NORET void lj_trace_err(jit_State *J, TraceError e); -LJ_FUNC_NORET void lj_trace_err_info(jit_State *J, TraceError e); - -/* Trace management. */ -LJ_FUNC void LJ_FASTCALL lj_trace_free(global_State *g, GCtrace *T); -LJ_FUNC void lj_trace_reenableproto(GCproto *pt); -LJ_FUNC void lj_trace_flushproto(global_State *g, GCproto *pt); -LJ_FUNC void lj_trace_flush(jit_State *J, TraceNo traceno); -LJ_FUNC int lj_trace_flushall(lua_State *L); -LJ_FUNC void lj_trace_initstate(global_State *g); -LJ_FUNC void lj_trace_freestate(global_State *g); - -/* Event handling. */ -LJ_FUNC void lj_trace_ins(jit_State *J, const BCIns *pc); -LJ_FUNCA void LJ_FASTCALL lj_trace_hot(jit_State *J, const BCIns *pc); -LJ_FUNCA int LJ_FASTCALL lj_trace_exit(jit_State *J, void *exptr); - -/* Signal asynchronous abort of trace or end of trace. */ -#define lj_trace_abort(g) (G2J(g)->state &= ~LJ_TRACE_ACTIVE) -#define lj_trace_end(J) (J->state = LJ_TRACE_END) - -#else - -#define lj_trace_flushall(L) (UNUSED(L), 0) -#define lj_trace_initstate(g) UNUSED(g) -#define lj_trace_freestate(g) UNUSED(g) -#define lj_trace_abort(g) UNUSED(g) -#define lj_trace_end(J) UNUSED(J) - -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_traceerr.h b/libraries/luajit-2.0/src/lj_traceerr.h deleted file mode 100644 index 756330e..0000000 --- a/libraries/luajit-2.0/src/lj_traceerr.h +++ /dev/null @@ -1,61 +0,0 @@ -/* -** Trace compiler error messages. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -/* This file may be included multiple times with different TREDEF macros. */ - -/* Recording. */ -TREDEF(RECERR, "error thrown or hook called during recording") -TREDEF(TRACEOV, "trace too long") -TREDEF(STACKOV, "trace too deep") -TREDEF(SNAPOV, "too many snapshots") -TREDEF(BLACKL, "blacklisted") -TREDEF(NYIBC, "NYI: bytecode %d") - -/* Recording loop ops. */ -TREDEF(LLEAVE, "leaving loop in root trace") -TREDEF(LINNER, "inner loop in root trace") -TREDEF(LUNROLL, "loop unroll limit reached") - -/* Recording calls/returns. */ -TREDEF(BADTYPE, "bad argument type") -TREDEF(CJITOFF, "call to JIT-disabled function") -TREDEF(CUNROLL, "call unroll limit reached") -TREDEF(DOWNREC, "down-recursion, restarting") -TREDEF(NYICF, "NYI: C function %p") -TREDEF(NYIFF, "NYI: FastFunc %s") -TREDEF(NYIFFU, "NYI: unsupported variant of FastFunc %s") -TREDEF(NYIRETL, "NYI: return to lower frame") - -/* Recording indexed load/store. */ -TREDEF(STORENN, "store with nil or NaN key") -TREDEF(NOMM, "missing metamethod") -TREDEF(IDXLOOP, "looping index lookup") -TREDEF(NYITMIX, "NYI: mixed sparse/dense table") - -/* Recording C data operations. */ -TREDEF(NOCACHE, "symbol not in cache") -TREDEF(NYICONV, "NYI: unsupported C type conversion") -TREDEF(NYICALL, "NYI: unsupported C function type") - -/* Optimizations. */ -TREDEF(GFAIL, "guard would always fail") -TREDEF(PHIOV, "too many PHIs") -TREDEF(TYPEINS, "persistent type instability") - -/* Assembler. */ -TREDEF(MCODEAL, "failed to allocate mcode memory") -TREDEF(MCODEOV, "machine code too long") -TREDEF(MCODELM, "hit mcode limit (retrying)") -TREDEF(SPILLOV, "too many spill slots") -TREDEF(BADRA, "inconsistent register allocation") -TREDEF(NYIIR, "NYI: cannot assemble IR instruction %d") -TREDEF(NYIPHI, "NYI: PHI shuffling too complex") -TREDEF(NYICOAL, "NYI: register coalescing too complex") - -#undef TREDEF - -/* Detecting unused error messages: - awk -F, '/^TREDEF/ { gsub(/TREDEF./, ""); printf "grep -q LJ_TRERR_%s *.[ch] || echo %s\n", $1, $1}' lj_traceerr.h | sh -*/ diff --git a/libraries/luajit-2.0/src/lj_udata.c b/libraries/luajit-2.0/src/lj_udata.c deleted file mode 100644 index 869f31f..0000000 --- a/libraries/luajit-2.0/src/lj_udata.c +++ /dev/null @@ -1,34 +0,0 @@ -/* -** Userdata handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_udata_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_gc.h" -#include "lj_udata.h" - -GCudata *lj_udata_new(lua_State *L, MSize sz, GCtab *env) -{ - GCudata *ud = lj_mem_newt(L, sizeof(GCudata) + sz, GCudata); - global_State *g = G(L); - newwhite(g, ud); /* Not finalized. */ - ud->gct = ~LJ_TUDATA; - ud->udtype = UDTYPE_USERDATA; - ud->len = sz; - /* NOBARRIER: The GCudata is new (marked white). */ - setgcrefnull(ud->metatable); - setgcref(ud->env, obj2gco(env)); - /* Chain to userdata list (after main thread). */ - setgcrefr(ud->nextgc, mainthread(g)->nextgc); - setgcref(mainthread(g)->nextgc, obj2gco(ud)); - return ud; -} - -void LJ_FASTCALL lj_udata_free(global_State *g, GCudata *ud) -{ - lj_mem_free(g, ud, sizeudata(ud)); -} - diff --git a/libraries/luajit-2.0/src/lj_udata.h b/libraries/luajit-2.0/src/lj_udata.h deleted file mode 100644 index 952c748..0000000 --- a/libraries/luajit-2.0/src/lj_udata.h +++ /dev/null @@ -1,14 +0,0 @@ -/* -** Userdata handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_UDATA_H -#define _LJ_UDATA_H - -#include "lj_obj.h" - -LJ_FUNC GCudata *lj_udata_new(lua_State *L, MSize sz, GCtab *env); -LJ_FUNC void LJ_FASTCALL lj_udata_free(global_State *g, GCudata *ud); - -#endif diff --git a/libraries/luajit-2.0/src/lj_vm.h b/libraries/luajit-2.0/src/lj_vm.h deleted file mode 100644 index da940b9..0000000 --- a/libraries/luajit-2.0/src/lj_vm.h +++ /dev/null @@ -1,102 +0,0 @@ -/* -** Assembler VM interface definitions. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_VM_H -#define _LJ_VM_H - -#include "lj_obj.h" - -/* Entry points for ASM parts of VM. */ -LJ_ASMF void lj_vm_call(lua_State *L, TValue *base, int nres1); -LJ_ASMF int lj_vm_pcall(lua_State *L, TValue *base, int nres1, ptrdiff_t ef); -typedef TValue *(*lua_CPFunction)(lua_State *L, lua_CFunction func, void *ud); -LJ_ASMF int lj_vm_cpcall(lua_State *L, lua_CFunction func, void *ud, - lua_CPFunction cp); -LJ_ASMF int lj_vm_resume(lua_State *L, TValue *base, int nres1, ptrdiff_t ef); -LJ_ASMF_NORET void LJ_FASTCALL lj_vm_unwind_c(void *cframe, int errcode); -LJ_ASMF_NORET void LJ_FASTCALL lj_vm_unwind_ff(void *cframe); -LJ_ASMF void lj_vm_unwind_c_eh(void); -LJ_ASMF void lj_vm_unwind_ff_eh(void); -#if LJ_TARGET_X86ORX64 -LJ_ASMF void lj_vm_unwind_rethrow(void); -#endif - -/* Miscellaneous functions. */ -#if LJ_TARGET_X86ORX64 -LJ_ASMF int lj_vm_cpuid(uint32_t f, uint32_t res[4]); -#endif -LJ_ASMF double lj_vm_foldarith(double x, double y, int op); -#if LJ_HASJIT -LJ_ASMF double lj_vm_foldfpm(double x, int op); -#endif -#if !LJ_ARCH_HASFPU -/* Declared in lj_obj.h: LJ_ASMF int32_t lj_vm_tobit(double x); */ -#endif - -/* Dispatch targets for recording and hooks. */ -LJ_ASMF void lj_vm_record(void); -LJ_ASMF void lj_vm_inshook(void); -LJ_ASMF void lj_vm_rethook(void); -LJ_ASMF void lj_vm_callhook(void); - -/* Trace exit handling. */ -LJ_ASMF void lj_vm_exit_handler(void); -LJ_ASMF void lj_vm_exit_interp(void); - -/* Internal math helper functions. */ -#if LJ_TARGET_X86ORX64 -#define lj_vm_floor(x) floor(x) -#define lj_vm_ceil(x) ceil(x) -#else -LJ_ASMF double lj_vm_floor(double); -LJ_ASMF double lj_vm_ceil(double); -#endif - -#if LJ_HASJIT -#if LJ_TARGET_X86ORX64 -LJ_ASMF void lj_vm_floor_sse(void); -LJ_ASMF void lj_vm_ceil_sse(void); -LJ_ASMF void lj_vm_trunc_sse(void); -LJ_ASMF void lj_vm_exp_x87(void); -LJ_ASMF void lj_vm_exp2_x87(void); -LJ_ASMF void lj_vm_pow_sse(void); -LJ_ASMF void lj_vm_powi_sse(void); -#else -LJ_ASMF double lj_vm_trunc(double); -LJ_ASMF double lj_vm_powi(double, int32_t); -#ifdef LUAJIT_NO_LOG2 -LJ_ASMF double lj_vm_log2(double); -#else -#define lj_vm_log2 log2 -#endif -#ifdef LUAJIT_NO_EXP2 -LJ_ASMF double lj_vm_exp2(double); -#else -#define lj_vm_exp2 exp2 -#endif -#endif -LJ_ASMF int32_t LJ_FASTCALL lj_vm_modi(int32_t, int32_t); -#if LJ_HASFFI -LJ_ASMF int lj_vm_errno(void); -#endif -#endif - -/* Continuations for metamethods. */ -LJ_ASMF void lj_cont_cat(void); /* Continue with concatenation. */ -LJ_ASMF void lj_cont_ra(void); /* Store result in RA from instruction. */ -LJ_ASMF void lj_cont_nop(void); /* Do nothing, just continue execution. */ -LJ_ASMF void lj_cont_condt(void); /* Branch if result is true. */ -LJ_ASMF void lj_cont_condf(void); /* Branch if result is false. */ -LJ_ASMF void lj_cont_hook(void); /* Continue from hook yield. */ - -enum { LJ_CONT_TAILCALL, LJ_CONT_FFI_CALLBACK }; /* Special continuations. */ - -/* Start of the ASM code. */ -LJ_ASMF char lj_vm_asm_begin[]; - -/* Bytecode offsets are relative to lj_vm_asm_begin. */ -#define makeasmfunc(ofs) ((ASMFunction)(lj_vm_asm_begin + (ofs))) - -#endif diff --git a/libraries/luajit-2.0/src/lj_vmevent.c b/libraries/luajit-2.0/src/lj_vmevent.c deleted file mode 100644 index 67cc6dc..0000000 --- a/libraries/luajit-2.0/src/lj_vmevent.c +++ /dev/null @@ -1,56 +0,0 @@ -/* -** VM event handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#include - -#define lj_vmevent_c -#define LUA_CORE - -#include "lj_obj.h" -#include "lj_str.h" -#include "lj_tab.h" -#include "lj_state.h" -#include "lj_dispatch.h" -#include "lj_vm.h" -#include "lj_vmevent.h" - -ptrdiff_t lj_vmevent_prepare(lua_State *L, VMEvent ev) -{ - global_State *g = G(L); - GCstr *s = lj_str_newlit(L, LJ_VMEVENTS_REGKEY); - cTValue *tv = lj_tab_getstr(tabV(registry(L)), s); - if (tvistab(tv)) { - int hash = VMEVENT_HASH(ev); - tv = lj_tab_getint(tabV(tv), hash); - if (tv && tvisfunc(tv)) { - lj_state_checkstack(L, LUA_MINSTACK); - setfuncV(L, L->top++, funcV(tv)); - return savestack(L, L->top); - } - } - g->vmevmask &= ~VMEVENT_MASK(ev); /* No handler: cache this fact. */ - return 0; -} - -void lj_vmevent_call(lua_State *L, ptrdiff_t argbase) -{ - global_State *g = G(L); - uint8_t oldmask = g->vmevmask; - uint8_t oldh = hook_save(g); - int status; - g->vmevmask = 0; /* Disable all events. */ - hook_vmevent(g); - status = lj_vm_pcall(L, restorestack(L, argbase), 0+1, 0); - if (LJ_UNLIKELY(status)) { - /* Really shouldn't use stderr here, but where else to complain? */ - L->top--; - fprintf(stderr, "VM handler failed: %s\n", - tvisstr(L->top) ? strVdata(L->top) : "?"); - } - hook_restore(g, oldh); - if (g->vmevmask != VMEVENT_NOCACHE) - g->vmevmask = oldmask; /* Restore event mask, but not if not modified. */ -} - diff --git a/libraries/luajit-2.0/src/lj_vmevent.h b/libraries/luajit-2.0/src/lj_vmevent.h deleted file mode 100644 index 8a0822f..0000000 --- a/libraries/luajit-2.0/src/lj_vmevent.h +++ /dev/null @@ -1,59 +0,0 @@ -/* -** VM event handling. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LJ_VMEVENT_H -#define _LJ_VMEVENT_H - -#include "lj_obj.h" - -/* Registry key for VM event handler table. */ -#define LJ_VMEVENTS_REGKEY "_VMEVENTS" -#define LJ_VMEVENTS_HSIZE 4 - -#define VMEVENT_MASK(ev) ((uint8_t)1 << ((int)(ev) & 7)) -#define VMEVENT_HASH(ev) ((int)(ev) & ~7) -#define VMEVENT_HASHIDX(h) ((int)(h) << 3) -#define VMEVENT_NOCACHE 255 - -#define VMEVENT_DEF(name, hash) \ - LJ_VMEVENT_##name##_, \ - LJ_VMEVENT_##name = ((LJ_VMEVENT_##name##_) & 7)|((hash) << 3) - -/* VM event IDs. */ -typedef enum { - VMEVENT_DEF(BC, 0x00003883), - VMEVENT_DEF(TRACE, 0xb2d91467), - VMEVENT_DEF(RECORD, 0x9284bf4f), - VMEVENT_DEF(TEXIT, 0xb29df2b0), - LJ_VMEVENT__MAX -} VMEvent; - -#ifdef LUAJIT_DISABLE_VMEVENT -#define lj_vmevent_send(L, ev, args) UNUSED(L) -#define lj_vmevent_send_(L, ev, args, post) UNUSED(L) -#else -#define lj_vmevent_send(L, ev, args) \ - if (G(L)->vmevmask & VMEVENT_MASK(LJ_VMEVENT_##ev)) { \ - ptrdiff_t argbase = lj_vmevent_prepare(L, LJ_VMEVENT_##ev); \ - if (argbase) { \ - args \ - lj_vmevent_call(L, argbase); \ - } \ - } -#define lj_vmevent_send_(L, ev, args, post) \ - if (G(L)->vmevmask & VMEVENT_MASK(LJ_VMEVENT_##ev)) { \ - ptrdiff_t argbase = lj_vmevent_prepare(L, LJ_VMEVENT_##ev); \ - if (argbase) { \ - args \ - lj_vmevent_call(L, argbase); \ - post \ - } \ - } - -LJ_FUNC ptrdiff_t lj_vmevent_prepare(lua_State *L, VMEvent ev); -LJ_FUNC void lj_vmevent_call(lua_State *L, ptrdiff_t argbase); -#endif - -#endif diff --git a/libraries/luajit-2.0/src/lj_vmmath.c b/libraries/luajit-2.0/src/lj_vmmath.c deleted file mode 100644 index 8b17720..0000000 --- a/libraries/luajit-2.0/src/lj_vmmath.c +++ /dev/null @@ -1,119 +0,0 @@ -/* -** Math helper functions for assembler VM. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#define lj_vmmath_c -#define LUA_CORE - -#include -#include - -#include "lj_obj.h" -#if LJ_HASJIT -#include "lj_ir.h" -#endif -#include "lj_vm.h" - -/* -- Helper functions for generated machine code ------------------------- */ - -#if LJ_TARGET_X86ORX64 -/* Wrapper functions to avoid linker issues on OSX. */ -LJ_FUNCA double lj_vm_sinh(double x) { return sinh(x); } -LJ_FUNCA double lj_vm_cosh(double x) { return cosh(x); } -LJ_FUNCA double lj_vm_tanh(double x) { return tanh(x); } -#endif - -#if LJ_HASJIT - -#ifdef LUAJIT_NO_LOG2 -double lj_vm_log2(double a) -{ - return log(a) * 1.4426950408889634074; -} -#endif - -#ifdef LUAJIT_NO_EXP2 -double lj_vm_exp2(double a) -{ - return exp(a * 0.6931471805599453); -} -#endif - -#if !(LJ_TARGET_ARM || LJ_TARGET_PPC) -int32_t LJ_FASTCALL lj_vm_modi(int32_t a, int32_t b) -{ - uint32_t y, ua, ub; - lua_assert(b != 0); /* This must be checked before using this function. */ - ua = a < 0 ? (uint32_t)-a : (uint32_t)a; - ub = b < 0 ? (uint32_t)-b : (uint32_t)b; - y = ua % ub; - if (y != 0 && (a^b) < 0) y = y - ub; - if (((int32_t)y^b) < 0) y = (uint32_t)-(int32_t)y; - return (int32_t)y; -} -#endif - -#if !LJ_TARGET_X86ORX64 -/* Unsigned x^k. */ -static double lj_vm_powui(double x, uint32_t k) -{ - double y; - lua_assert(k != 0); - for (; (k & 1) == 0; k >>= 1) x *= x; - y = x; - if ((k >>= 1) != 0) { - for (;;) { - x *= x; - if (k == 1) break; - if (k & 1) y *= x; - k >>= 1; - } - y *= x; - } - return y; -} - -/* Signed x^k. */ -double lj_vm_powi(double x, int32_t k) -{ - if (k > 1) - return lj_vm_powui(x, (uint32_t)k); - else if (k == 1) - return x; - else if (k == 0) - return 1.0; - else - return 1.0 / lj_vm_powui(x, (uint32_t)-k); -} - -/* Computes fpm(x) for extended math functions. */ -double lj_vm_foldfpm(double x, int fpm) -{ - switch (fpm) { - case IRFPM_FLOOR: return lj_vm_floor(x); - case IRFPM_CEIL: return lj_vm_ceil(x); - case IRFPM_TRUNC: return lj_vm_trunc(x); - case IRFPM_SQRT: return sqrt(x); - case IRFPM_EXP: return exp(x); - case IRFPM_EXP2: return lj_vm_exp2(x); - case IRFPM_LOG: return log(x); - case IRFPM_LOG2: return lj_vm_log2(x); - case IRFPM_LOG10: return log10(x); - case IRFPM_SIN: return sin(x); - case IRFPM_COS: return cos(x); - case IRFPM_TAN: return tan(x); - default: lua_assert(0); - } - return 0; -} -#endif - -#if LJ_HASFFI -int lj_vm_errno(void) -{ - return errno; -} -#endif - -#endif diff --git a/libraries/luajit-2.0/src/ljamalg.c b/libraries/luajit-2.0/src/ljamalg.c deleted file mode 100644 index 17c4b65..0000000 --- a/libraries/luajit-2.0/src/ljamalg.c +++ /dev/null @@ -1,90 +0,0 @@ -/* -** LuaJIT core and libraries amalgamation. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -/* -+--------------------------------------------------------------------------+ -| WARNING: Compiling the amalgamation needs a lot of virtual memory | -| (around 200 MB with GCC 4.x)! If you don't have enough physical memory | -| your machine will start swapping to disk and the compile will not finish | -| within a reasonable amount of time. | -| So either compile on a bigger machine or use the non-amalgamated build. | -+--------------------------------------------------------------------------+ -*/ - -#define ljamalg_c -#define LUA_CORE - -/* To get the mremap prototype. Must be defined before any system includes. */ -#if defined(__linux__) && !defined(_GNU_SOURCE) -#define _GNU_SOURCE -#endif - -#ifndef WINVER -#define WINVER 0x0500 -#endif - -#include "lua.h" -#include "lauxlib.h" - -#include "lj_gc.c" -#include "lj_err.c" -#include "lj_char.c" -#include "lj_bc.c" -#include "lj_obj.c" -#include "lj_str.c" -#include "lj_tab.c" -#include "lj_func.c" -#include "lj_udata.c" -#include "lj_meta.c" -#include "lj_debug.c" -#include "lj_state.c" -#include "lj_dispatch.c" -#include "lj_vmevent.c" -#include "lj_vmmath.c" -#include "lj_api.c" -#include "lj_lex.c" -#include "lj_parse.c" -#include "lj_bcread.c" -#include "lj_bcwrite.c" -#include "lj_ctype.c" -#include "lj_cdata.c" -#include "lj_cconv.c" -#include "lj_ccall.c" -#include "lj_ccallback.c" -#include "lj_carith.c" -#include "lj_clib.c" -#include "lj_cparse.c" -#include "lj_lib.c" -#include "lj_ir.c" -#include "lj_opt_mem.c" -#include "lj_opt_fold.c" -#include "lj_opt_narrow.c" -#include "lj_opt_dce.c" -#include "lj_opt_loop.c" -#include "lj_opt_split.c" -#include "lj_mcode.c" -#include "lj_snap.c" -#include "lj_record.c" -#include "lj_crecord.c" -#include "lj_ffrecord.c" -#include "lj_asm.c" -#include "lj_trace.c" -#include "lj_gdbjit.c" -#include "lj_alloc.c" - -#include "lib_aux.c" -#include "lib_base.c" -#include "lib_math.c" -#include "lib_string.c" -#include "lib_table.c" -#include "lib_io.c" -#include "lib_os.c" -#include "lib_package.c" -#include "lib_debug.c" -#include "lib_bit.c" -#include "lib_jit.c" -#include "lib_ffi.c" -#include "lib_init.c" - diff --git a/libraries/luajit-2.0/src/lua.h b/libraries/luajit-2.0/src/lua.h deleted file mode 100644 index 0e98b37..0000000 --- a/libraries/luajit-2.0/src/lua.h +++ /dev/null @@ -1,388 +0,0 @@ -/* -** $Id: lua.h,v 1.218.1.5 2008/08/06 13:30:12 roberto Exp $ -** Lua - An Extensible Extension Language -** Lua.org, PUC-Rio, Brazil (http://www.lua.org) -** See Copyright Notice at the end of this file -*/ - - -#ifndef lua_h -#define lua_h - -#include -#include - - -#include "luaconf.h" - - -#define LUA_VERSION "Lua 5.1" -#define LUA_RELEASE "Lua 5.1.4" -#define LUA_VERSION_NUM 501 -#define LUA_COPYRIGHT "Copyright (C) 1994-2008 Lua.org, PUC-Rio" -#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo & W. Celes" - - -/* mark for precompiled code (`Lua') */ -#define LUA_SIGNATURE "\033Lua" - -/* option for multiple returns in `lua_pcall' and `lua_call' */ -#define LUA_MULTRET (-1) - - -/* -** pseudo-indices -*/ -#define LUA_REGISTRYINDEX (-10000) -#define LUA_ENVIRONINDEX (-10001) -#define LUA_GLOBALSINDEX (-10002) -#define lua_upvalueindex(i) (LUA_GLOBALSINDEX-(i)) - - -/* thread status; 0 is OK */ -#define LUA_YIELD 1 -#define LUA_ERRRUN 2 -#define LUA_ERRSYNTAX 3 -#define LUA_ERRMEM 4 -#define LUA_ERRERR 5 - - -typedef struct lua_State lua_State; - -typedef int (*lua_CFunction) (lua_State *L); - - -/* -** functions that read/write blocks when loading/dumping Lua chunks -*/ -typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz); - -typedef int (*lua_Writer) (lua_State *L, const void* p, size_t sz, void* ud); - - -/* -** prototype for memory-allocation functions -*/ -typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize); - - -/* -** basic types -*/ -#define LUA_TNONE (-1) - -#define LUA_TNIL 0 -#define LUA_TBOOLEAN 1 -#define LUA_TLIGHTUSERDATA 2 -#define LUA_TNUMBER 3 -#define LUA_TSTRING 4 -#define LUA_TTABLE 5 -#define LUA_TFUNCTION 6 -#define LUA_TUSERDATA 7 -#define LUA_TTHREAD 8 - - - -/* minimum Lua stack available to a C function */ -#define LUA_MINSTACK 20 - - -/* -** generic extra include file -*/ -#if defined(LUA_USER_H) -#include LUA_USER_H -#endif - - -/* type of numbers in Lua */ -typedef LUA_NUMBER lua_Number; - - -/* type for integer functions */ -typedef LUA_INTEGER lua_Integer; - - - -/* -** state manipulation -*/ -LUA_API lua_State *(lua_newstate) (lua_Alloc f, void *ud); -LUA_API void (lua_close) (lua_State *L); -LUA_API lua_State *(lua_newthread) (lua_State *L); - -LUA_API lua_CFunction (lua_atpanic) (lua_State *L, lua_CFunction panicf); - - -/* -** basic stack manipulation -*/ -LUA_API int (lua_gettop) (lua_State *L); -LUA_API void (lua_settop) (lua_State *L, int idx); -LUA_API void (lua_pushvalue) (lua_State *L, int idx); -LUA_API void (lua_remove) (lua_State *L, int idx); -LUA_API void (lua_insert) (lua_State *L, int idx); -LUA_API void (lua_replace) (lua_State *L, int idx); -LUA_API int (lua_checkstack) (lua_State *L, int sz); - -LUA_API void (lua_xmove) (lua_State *from, lua_State *to, int n); - - -/* -** access functions (stack -> C) -*/ - -LUA_API int (lua_isnumber) (lua_State *L, int idx); -LUA_API int (lua_isstring) (lua_State *L, int idx); -LUA_API int (lua_iscfunction) (lua_State *L, int idx); -LUA_API int (lua_isuserdata) (lua_State *L, int idx); -LUA_API int (lua_type) (lua_State *L, int idx); -LUA_API const char *(lua_typename) (lua_State *L, int tp); - -LUA_API int (lua_equal) (lua_State *L, int idx1, int idx2); -LUA_API int (lua_rawequal) (lua_State *L, int idx1, int idx2); -LUA_API int (lua_lessthan) (lua_State *L, int idx1, int idx2); - -LUA_API lua_Number (lua_tonumber) (lua_State *L, int idx); -LUA_API lua_Integer (lua_tointeger) (lua_State *L, int idx); -LUA_API int (lua_toboolean) (lua_State *L, int idx); -LUA_API const char *(lua_tolstring) (lua_State *L, int idx, size_t *len); -LUA_API size_t (lua_objlen) (lua_State *L, int idx); -LUA_API lua_CFunction (lua_tocfunction) (lua_State *L, int idx); -LUA_API void *(lua_touserdata) (lua_State *L, int idx); -LUA_API lua_State *(lua_tothread) (lua_State *L, int idx); -LUA_API const void *(lua_topointer) (lua_State *L, int idx); - - -/* -** push functions (C -> stack) -*/ -LUA_API void (lua_pushnil) (lua_State *L); -LUA_API void (lua_pushnumber) (lua_State *L, lua_Number n); -LUA_API void (lua_pushinteger) (lua_State *L, lua_Integer n); -LUA_API void (lua_pushlstring) (lua_State *L, const char *s, size_t l); -LUA_API void (lua_pushstring) (lua_State *L, const char *s); -LUA_API const char *(lua_pushvfstring) (lua_State *L, const char *fmt, - va_list argp); -LUA_API const char *(lua_pushfstring) (lua_State *L, const char *fmt, ...); -LUA_API void (lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n); -LUA_API void (lua_pushboolean) (lua_State *L, int b); -LUA_API void (lua_pushlightuserdata) (lua_State *L, void *p); -LUA_API int (lua_pushthread) (lua_State *L); - - -/* -** get functions (Lua -> stack) -*/ -LUA_API void (lua_gettable) (lua_State *L, int idx); -LUA_API void (lua_getfield) (lua_State *L, int idx, const char *k); -LUA_API void (lua_rawget) (lua_State *L, int idx); -LUA_API void (lua_rawgeti) (lua_State *L, int idx, int n); -LUA_API void (lua_createtable) (lua_State *L, int narr, int nrec); -LUA_API void *(lua_newuserdata) (lua_State *L, size_t sz); -LUA_API int (lua_getmetatable) (lua_State *L, int objindex); -LUA_API void (lua_getfenv) (lua_State *L, int idx); - - -/* -** set functions (stack -> Lua) -*/ -LUA_API void (lua_settable) (lua_State *L, int idx); -LUA_API void (lua_setfield) (lua_State *L, int idx, const char *k); -LUA_API void (lua_rawset) (lua_State *L, int idx); -LUA_API void (lua_rawseti) (lua_State *L, int idx, int n); -LUA_API int (lua_setmetatable) (lua_State *L, int objindex); -LUA_API int (lua_setfenv) (lua_State *L, int idx); - - -/* -** `load' and `call' functions (load and run Lua code) -*/ -LUA_API void (lua_call) (lua_State *L, int nargs, int nresults); -LUA_API int (lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc); -LUA_API int (lua_cpcall) (lua_State *L, lua_CFunction func, void *ud); -LUA_API int (lua_load) (lua_State *L, lua_Reader reader, void *dt, - const char *chunkname); - -LUA_API int (lua_dump) (lua_State *L, lua_Writer writer, void *data); - - -/* -** coroutine functions -*/ -LUA_API int (lua_yield) (lua_State *L, int nresults); -LUA_API int (lua_resume) (lua_State *L, int narg); -LUA_API int (lua_status) (lua_State *L); - -/* -** garbage-collection function and options -*/ - -#define LUA_GCSTOP 0 -#define LUA_GCRESTART 1 -#define LUA_GCCOLLECT 2 -#define LUA_GCCOUNT 3 -#define LUA_GCCOUNTB 4 -#define LUA_GCSTEP 5 -#define LUA_GCSETPAUSE 6 -#define LUA_GCSETSTEPMUL 7 - -LUA_API int (lua_gc) (lua_State *L, int what, int data); - - -/* -** miscellaneous functions -*/ - -LUA_API int (lua_error) (lua_State *L); - -LUA_API int (lua_next) (lua_State *L, int idx); - -LUA_API void (lua_concat) (lua_State *L, int n); - -LUA_API lua_Alloc (lua_getallocf) (lua_State *L, void **ud); -LUA_API void lua_setallocf (lua_State *L, lua_Alloc f, void *ud); - - - -/* -** =============================================================== -** some useful macros -** =============================================================== -*/ - -#define lua_pop(L,n) lua_settop(L, -(n)-1) - -#define lua_newtable(L) lua_createtable(L, 0, 0) - -#define lua_register(L,n,f) (lua_pushcfunction(L, (f)), lua_setglobal(L, (n))) - -#define lua_pushcfunction(L,f) lua_pushcclosure(L, (f), 0) - -#define lua_strlen(L,i) lua_objlen(L, (i)) - -#define lua_isfunction(L,n) (lua_type(L, (n)) == LUA_TFUNCTION) -#define lua_istable(L,n) (lua_type(L, (n)) == LUA_TTABLE) -#define lua_islightuserdata(L,n) (lua_type(L, (n)) == LUA_TLIGHTUSERDATA) -#define lua_isnil(L,n) (lua_type(L, (n)) == LUA_TNIL) -#define lua_isboolean(L,n) (lua_type(L, (n)) == LUA_TBOOLEAN) -#define lua_isthread(L,n) (lua_type(L, (n)) == LUA_TTHREAD) -#define lua_isnone(L,n) (lua_type(L, (n)) == LUA_TNONE) -#define lua_isnoneornil(L, n) (lua_type(L, (n)) <= 0) - -#define lua_pushliteral(L, s) \ - lua_pushlstring(L, "" s, (sizeof(s)/sizeof(char))-1) - -#define lua_setglobal(L,s) lua_setfield(L, LUA_GLOBALSINDEX, (s)) -#define lua_getglobal(L,s) lua_getfield(L, LUA_GLOBALSINDEX, (s)) - -#define lua_tostring(L,i) lua_tolstring(L, (i), NULL) - - - -/* -** compatibility macros and functions -*/ - -#define lua_open() luaL_newstate() - -#define lua_getregistry(L) lua_pushvalue(L, LUA_REGISTRYINDEX) - -#define lua_getgccount(L) lua_gc(L, LUA_GCCOUNT, 0) - -#define lua_Chunkreader lua_Reader -#define lua_Chunkwriter lua_Writer - - -/* hack */ -LUA_API void lua_setlevel (lua_State *from, lua_State *to); - - -/* -** {====================================================================== -** Debug API -** ======================================================================= -*/ - - -/* -** Event codes -*/ -#define LUA_HOOKCALL 0 -#define LUA_HOOKRET 1 -#define LUA_HOOKLINE 2 -#define LUA_HOOKCOUNT 3 -#define LUA_HOOKTAILRET 4 - - -/* -** Event masks -*/ -#define LUA_MASKCALL (1 << LUA_HOOKCALL) -#define LUA_MASKRET (1 << LUA_HOOKRET) -#define LUA_MASKLINE (1 << LUA_HOOKLINE) -#define LUA_MASKCOUNT (1 << LUA_HOOKCOUNT) - -typedef struct lua_Debug lua_Debug; /* activation record */ - - -/* Functions to be called by the debuger in specific events */ -typedef void (*lua_Hook) (lua_State *L, lua_Debug *ar); - - -LUA_API int lua_getstack (lua_State *L, int level, lua_Debug *ar); -LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar); -LUA_API const char *lua_getlocal (lua_State *L, const lua_Debug *ar, int n); -LUA_API const char *lua_setlocal (lua_State *L, const lua_Debug *ar, int n); -LUA_API const char *lua_getupvalue (lua_State *L, int funcindex, int n); -LUA_API const char *lua_setupvalue (lua_State *L, int funcindex, int n); - -LUA_API int lua_sethook (lua_State *L, lua_Hook func, int mask, int count); -LUA_API lua_Hook lua_gethook (lua_State *L); -LUA_API int lua_gethookmask (lua_State *L); -LUA_API int lua_gethookcount (lua_State *L); - - -struct lua_Debug { - int event; - const char *name; /* (n) */ - const char *namewhat; /* (n) `global', `local', `field', `method' */ - const char *what; /* (S) `Lua', `C', `main', `tail' */ - const char *source; /* (S) */ - int currentline; /* (l) */ - int nups; /* (u) number of upvalues */ - int linedefined; /* (S) */ - int lastlinedefined; /* (S) */ - char short_src[LUA_IDSIZE]; /* (S) */ - /* private part */ - int i_ci; /* active function */ -}; - -/* }====================================================================== */ - - -/****************************************************************************** -* Copyright (C) 1994-2008 Lua.org, PUC-Rio. All rights reserved. -* -* Permission is hereby granted, free of charge, to any person obtaining -* a copy of this software and associated documentation files (the -* "Software"), to deal in the Software without restriction, including -* without limitation the rights to use, copy, modify, merge, publish, -* distribute, sublicense, and/or sell copies of the Software, and to -* permit persons to whom the Software is furnished to do so, subject to -* the following conditions: -* -* The above copyright notice and this permission notice shall be -* included in all copies or substantial portions of the Software. -* -* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -******************************************************************************/ - - -#endif diff --git a/libraries/luajit-2.0/src/lua.hpp b/libraries/luajit-2.0/src/lua.hpp deleted file mode 100644 index 07e9002..0000000 --- a/libraries/luajit-2.0/src/lua.hpp +++ /dev/null @@ -1,9 +0,0 @@ -// C++ wrapper for LuaJIT header files. - -extern "C" { -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" -#include "luajit.h" -} - diff --git a/libraries/luajit-2.0/src/luaconf.h b/libraries/luajit-2.0/src/luaconf.h deleted file mode 100644 index 5b04ad4..0000000 --- a/libraries/luajit-2.0/src/luaconf.h +++ /dev/null @@ -1,131 +0,0 @@ -/* -** Configuration header. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef luaconf_h -#define luaconf_h - -#include -#include - -/* Default path for loading Lua and C modules with require(). */ -#if defined(_WIN32) -/* -** In Windows, any exclamation mark ('!') in the path is replaced by the -** path of the directory of the executable file of the current process. -*/ -#define LUA_LDIR "!\\lua\\" -#define LUA_CDIR "!\\" -#define LUA_PATH_DEFAULT \ - ".\\?.lua;" LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;" -#define LUA_CPATH_DEFAULT \ - ".\\?.dll;" LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll" -#else -#define LUA_ROOT "/usr/local/" -#define LUA_LDIR LUA_ROOT "share/lua/5.1/" -#define LUA_CDIR LUA_ROOT "lib/lua/5.1/" -#ifdef LUA_XROOT -#define LUA_JDIR LUA_XROOT "share/luajit-2.0.0-beta9/" -#define LUA_XPATH \ - ";" LUA_XROOT "share/lua/5.1/?.lua;" LUA_XROOT "share/lua/5.1/?/init.lua" -#define LUA_XCPATH LUA_XROOT "lib/lua/5.1/?.so;" -#else -#define LUA_JDIR LUA_ROOT "share/luajit-2.0.0-beta9/" -#define LUA_XPATH -#define LUA_XCPATH -#endif -#define LUA_PATH_DEFAULT \ - "./?.lua;" LUA_JDIR"?.lua;" LUA_LDIR"?.lua;" LUA_LDIR"?/init.lua" LUA_XPATH -#define LUA_CPATH_DEFAULT \ - "./?.so;" LUA_CDIR"?.so;" LUA_XCPATH LUA_CDIR"loadall.so" -#endif - -/* Environment variable names for path overrides and initialization code. */ -#define LUA_PATH "LUA_PATH" -#define LUA_CPATH "LUA_CPATH" -#define LUA_INIT "LUA_INIT" - -/* Special file system characters. */ -#if defined(_WIN32) -#define LUA_DIRSEP "\\" -#else -#define LUA_DIRSEP "/" -#endif -#define LUA_PATHSEP ";" -#define LUA_PATH_MARK "?" -#define LUA_EXECDIR "!" -#define LUA_IGMARK "-" -#define LUA_PATH_CONFIG \ - LUA_DIRSEP "\n" LUA_PATHSEP "\n" LUA_PATH_MARK "\n" \ - LUA_EXECDIR "\n" LUA_IGMARK - -/* Quoting in error messages. */ -#define LUA_QL(x) "'" x "'" -#define LUA_QS LUA_QL("%s") - -/* Various tunables. */ -#define LUAI_MAXSTACK 65500 /* Max. # of stack slots for a thread (<64K). */ -#define LUAI_MAXCSTACK 8000 /* Max. # of stack slots for a C func (<10K). */ -#define LUAI_GCPAUSE 200 /* Pause GC until memory is at 200%. */ -#define LUAI_GCMUL 200 /* Run GC at 200% of allocation speed. */ -#define LUA_MAXCAPTURES 32 /* Max. pattern captures. */ - -/* Compatibility with older library function names. */ -#define LUA_COMPAT_MOD /* OLD: math.mod, NEW: math.fmod */ -#define LUA_COMPAT_GFIND /* OLD: string.gfind, NEW: string.gmatch */ - -/* Configuration for the frontend (the luajit executable). */ -#if defined(luajit_c) -#define LUA_PROGNAME "luajit" /* Fallback frontend name. */ -#define LUA_PROMPT "> " /* Interactive prompt. */ -#define LUA_PROMPT2 ">> " /* Continuation prompt. */ -#define LUA_MAXINPUT 512 /* Max. input line length. */ -#endif - -/* Note: changing the following defines breaks the Lua 5.1 ABI. */ -#define LUA_INTEGER ptrdiff_t -#define LUA_IDSIZE 60 /* Size of lua_Debug.short_src. */ -#define LUAL_BUFFERSIZE BUFSIZ /* Size of lauxlib and io.* buffers. */ - -/* The following defines are here only for compatibility with luaconf.h -** from the standard Lua distribution. They must not be changed for LuaJIT. -*/ -#define LUA_NUMBER_DOUBLE -#define LUA_NUMBER double -#define LUAI_UACNUMBER double -#define LUA_NUMBER_SCAN "%lf" -#define LUA_NUMBER_FMT "%.14g" -#define lua_number2str(s, n) sprintf((s), LUA_NUMBER_FMT, (n)) -#define LUAI_MAXNUMBER2STR 32 -#define lua_str2number(s, p) strtod((s), (p)) -#define LUA_INTFRMLEN "l" -#define LUA_INTFRM_T long - -/* Linkage of public API functions. */ -#if defined(LUA_BUILD_AS_DLL) -#if defined(LUA_CORE) || defined(LUA_LIB) -#define LUA_API __declspec(dllexport) -#else -#define LUA_API __declspec(dllimport) -#endif -#else -#define LUA_API extern -#endif - -#define LUALIB_API LUA_API - -/* Support for internal assertions. */ -#if defined(LUA_USE_ASSERT) || defined(LUA_USE_APICHECK) -#include -#endif -#ifdef LUA_USE_ASSERT -#define lua_assert(x) assert(x) -#endif -#ifdef LUA_USE_APICHECK -#define luai_apicheck(L, o) { (void)L; assert(o); } -#else -#define luai_apicheck(L, o) { (void)L; } -#endif - -#endif diff --git a/libraries/luajit-2.0/src/luajit.c b/libraries/luajit-2.0/src/luajit.c deleted file mode 100644 index 17d3b5f..0000000 --- a/libraries/luajit-2.0/src/luajit.c +++ /dev/null @@ -1,553 +0,0 @@ -/* -** LuaJIT frontend. Runs commands, scripts, read-eval-print (REPL) etc. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -** -** Major portions taken verbatim or adapted from the Lua interpreter. -** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h -*/ - -#include -#include -#include -#include - -#define luajit_c - -#include "lua.h" -#include "lauxlib.h" -#include "lualib.h" -#include "luajit.h" - -#include "lj_arch.h" - -#if LJ_TARGET_POSIX -#include -#define lua_stdin_is_tty() isatty(0) -#elif LJ_TARGET_WINDOWS -#include -#ifdef __BORLANDC__ -#define lua_stdin_is_tty() isatty(_fileno(stdin)) -#else -#define lua_stdin_is_tty() _isatty(_fileno(stdin)) -#endif -#else -#define lua_stdin_is_tty() 1 -#endif - -static lua_State *globalL = NULL; -static const char *progname = LUA_PROGNAME; - -static void lstop(lua_State *L, lua_Debug *ar) -{ - (void)ar; /* unused arg. */ - lua_sethook(L, NULL, 0, 0); - /* Avoid luaL_error -- a C hook doesn't add an extra frame. */ - luaL_where(L, 0); - lua_pushfstring(L, "%sinterrupted!", lua_tostring(L, -1)); - lua_error(L); -} - -static void laction(int i) -{ - signal(i, SIG_DFL); /* if another SIGINT happens before lstop, - terminate process (default action) */ - lua_sethook(globalL, lstop, LUA_MASKCALL | LUA_MASKRET | LUA_MASKCOUNT, 1); -} - -static void print_usage(void) -{ - fprintf(stderr, - "usage: %s [options]... [script [args]...].\n" - "Available options are:\n" - " -e chunk Execute string " LUA_QL("chunk") ".\n" - " -l name Require library " LUA_QL("name") ".\n" - " -b ... Save or list bytecode.\n" - " -j cmd Perform LuaJIT control command.\n" - " -O[opt] Control LuaJIT optimizations.\n" - " -i Enter interactive mode after executing " LUA_QL("script") ".\n" - " -v Show version information.\n" - " -- Stop handling options.\n" - " - Execute stdin and stop handling options.\n" - , - progname); - fflush(stderr); -} - -static void l_message(const char *pname, const char *msg) -{ - if (pname) fprintf(stderr, "%s: ", pname); - fprintf(stderr, "%s\n", msg); - fflush(stderr); -} - -static int report(lua_State *L, int status) -{ - if (status && !lua_isnil(L, -1)) { - const char *msg = lua_tostring(L, -1); - if (msg == NULL) msg = "(error object is not a string)"; - l_message(progname, msg); - lua_pop(L, 1); - } - return status; -} - -static int traceback(lua_State *L) -{ - if (!lua_isstring(L, 1)) /* 'message' not a string? */ - return 1; /* keep it intact */ - lua_getfield(L, LUA_GLOBALSINDEX, "debug"); - if (!lua_istable(L, -1)) { - lua_pop(L, 1); - return 1; - } - lua_getfield(L, -1, "traceback"); - if (!lua_isfunction(L, -1)) { - lua_pop(L, 2); - return 1; - } - lua_pushvalue(L, 1); /* pass error message */ - lua_pushinteger(L, 2); /* skip this function and traceback */ - lua_call(L, 2, 1); /* call debug.traceback */ - return 1; -} - -static int docall(lua_State *L, int narg, int clear) -{ - int status; - int base = lua_gettop(L) - narg; /* function index */ - lua_pushcfunction(L, traceback); /* push traceback function */ - lua_insert(L, base); /* put it under chunk and args */ - signal(SIGINT, laction); - status = lua_pcall(L, narg, (clear ? 0 : LUA_MULTRET), base); - signal(SIGINT, SIG_DFL); - lua_remove(L, base); /* remove traceback function */ - /* force a complete garbage collection in case of errors */ - if (status != 0) lua_gc(L, LUA_GCCOLLECT, 0); - return status; -} - -static void print_version(void) -{ - fprintf(stderr, - LUAJIT_VERSION " -- " LUAJIT_COPYRIGHT ". " LUAJIT_URL "\n"); -} - -static void print_jit_status(lua_State *L) -{ - int n; - const char *s; - lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED"); - lua_getfield(L, -1, "jit"); /* Get jit.* module table. */ - lua_remove(L, -2); - lua_getfield(L, -1, "status"); - lua_remove(L, -2); - n = lua_gettop(L); - lua_call(L, 0, LUA_MULTRET); - fputs(lua_toboolean(L, n) ? "JIT: ON" : "JIT: OFF", stderr); - for (n++; (s = lua_tostring(L, n)); n++) - fprintf(stderr, " %s", s); - fputs("\n", stderr); -} - -static int getargs(lua_State *L, char **argv, int n) -{ - int narg; - int i; - int argc = 0; - while (argv[argc]) argc++; /* count total number of arguments */ - narg = argc - (n + 1); /* number of arguments to the script */ - luaL_checkstack(L, narg + 3, "too many arguments to script"); - for (i = n+1; i < argc; i++) - lua_pushstring(L, argv[i]); - lua_createtable(L, narg, n + 1); - for (i = 0; i < argc; i++) { - lua_pushstring(L, argv[i]); - lua_rawseti(L, -2, i - n); - } - return narg; -} - -static int dofile(lua_State *L, const char *name) -{ - int status = luaL_loadfile(L, name) || docall(L, 0, 1); - return report(L, status); -} - -static int dostring(lua_State *L, const char *s, const char *name) -{ - int status = luaL_loadbuffer(L, s, strlen(s), name) || docall(L, 0, 1); - return report(L, status); -} - -static int dolibrary(lua_State *L, const char *name) -{ - lua_getglobal(L, "require"); - lua_pushstring(L, name); - return report(L, docall(L, 1, 1)); -} - -static void write_prompt(lua_State *L, int firstline) -{ - const char *p; - lua_getfield(L, LUA_GLOBALSINDEX, firstline ? "_PROMPT" : "_PROMPT2"); - p = lua_tostring(L, -1); - if (p == NULL) p = firstline ? LUA_PROMPT : LUA_PROMPT2; - fputs(p, stdout); - fflush(stdout); - lua_pop(L, 1); /* remove global */ -} - -static int incomplete(lua_State *L, int status) -{ - if (status == LUA_ERRSYNTAX) { - size_t lmsg; - const char *msg = lua_tolstring(L, -1, &lmsg); - const char *tp = msg + lmsg - (sizeof(LUA_QL("")) - 1); - if (strstr(msg, LUA_QL("")) == tp) { - lua_pop(L, 1); - return 1; - } - } - return 0; /* else... */ -} - -static int pushline(lua_State *L, int firstline) -{ - char buf[LUA_MAXINPUT]; - write_prompt(L, firstline); - if (fgets(buf, LUA_MAXINPUT, stdin)) { - size_t len = strlen(buf); - if (len > 0 && buf[len-1] == '\n') - buf[len-1] = '\0'; - if (firstline && buf[0] == '=') - lua_pushfstring(L, "return %s", buf+1); - else - lua_pushstring(L, buf); - return 1; - } - return 0; -} - -static int loadline(lua_State *L) -{ - int status; - lua_settop(L, 0); - if (!pushline(L, 1)) - return -1; /* no input */ - for (;;) { /* repeat until gets a complete line */ - status = luaL_loadbuffer(L, lua_tostring(L, 1), lua_strlen(L, 1), "=stdin"); - if (!incomplete(L, status)) break; /* cannot try to add lines? */ - if (!pushline(L, 0)) /* no more input? */ - return -1; - lua_pushliteral(L, "\n"); /* add a new line... */ - lua_insert(L, -2); /* ...between the two lines */ - lua_concat(L, 3); /* join them */ - } - lua_remove(L, 1); /* remove line */ - return status; -} - -static void dotty(lua_State *L) -{ - int status; - const char *oldprogname = progname; - progname = NULL; - while ((status = loadline(L)) != -1) { - if (status == 0) status = docall(L, 0, 0); - report(L, status); - if (status == 0 && lua_gettop(L) > 0) { /* any result to print? */ - lua_getglobal(L, "print"); - lua_insert(L, 1); - if (lua_pcall(L, lua_gettop(L)-1, 0, 0) != 0) - l_message(progname, - lua_pushfstring(L, "error calling " LUA_QL("print") " (%s)", - lua_tostring(L, -1))); - } - } - lua_settop(L, 0); /* clear stack */ - fputs("\n", stdout); - fflush(stdout); - progname = oldprogname; -} - -static int handle_script(lua_State *L, char **argv, int n) -{ - int status; - const char *fname; - int narg = getargs(L, argv, n); /* collect arguments */ - lua_setglobal(L, "arg"); - fname = argv[n]; - if (strcmp(fname, "-") == 0 && strcmp(argv[n-1], "--") != 0) - fname = NULL; /* stdin */ - status = luaL_loadfile(L, fname); - lua_insert(L, -(narg+1)); - if (status == 0) - status = docall(L, narg, 0); - else - lua_pop(L, narg); - return report(L, status); -} - -/* Load add-on module. */ -static int loadjitmodule(lua_State *L) -{ - lua_getglobal(L, "require"); - lua_pushliteral(L, "jit."); - lua_pushvalue(L, -3); - lua_concat(L, 2); - if (lua_pcall(L, 1, 1, 0)) { - const char *msg = lua_tostring(L, -1); - if (msg && !strncmp(msg, "module ", 7)) { - err: - l_message(progname, - "unknown luaJIT command or jit.* modules not installed"); - return 1; - } else { - return report(L, 1); - } - } - lua_getfield(L, -1, "start"); - if (lua_isnil(L, -1)) goto err; - lua_remove(L, -2); /* Drop module table. */ - return 0; -} - -/* Run command with options. */ -static int runcmdopt(lua_State *L, const char *opt) -{ - int narg = 0; - if (opt && *opt) { - for (;;) { /* Split arguments. */ - const char *p = strchr(opt, ','); - narg++; - if (!p) break; - if (p == opt) - lua_pushnil(L); - else - lua_pushlstring(L, opt, (size_t)(p - opt)); - opt = p + 1; - } - if (*opt) - lua_pushstring(L, opt); - else - lua_pushnil(L); - } - return report(L, lua_pcall(L, narg, 0, 0)); -} - -/* JIT engine control command: try jit library first or load add-on module. */ -static int dojitcmd(lua_State *L, const char *cmd) -{ - const char *opt = strchr(cmd, '='); - lua_pushlstring(L, cmd, opt ? (size_t)(opt - cmd) : strlen(cmd)); - lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED"); - lua_getfield(L, -1, "jit"); /* Get jit.* module table. */ - lua_remove(L, -2); - lua_pushvalue(L, -2); - lua_gettable(L, -2); /* Lookup library function. */ - if (!lua_isfunction(L, -1)) { - lua_pop(L, 2); /* Drop non-function and jit.* table, keep module name. */ - if (loadjitmodule(L)) - return 1; - } else { - lua_remove(L, -2); /* Drop jit.* table. */ - } - lua_remove(L, -2); /* Drop module name. */ - return runcmdopt(L, opt ? opt+1 : opt); -} - -/* Optimization flags. */ -static int dojitopt(lua_State *L, const char *opt) -{ - lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED"); - lua_getfield(L, -1, "jit.opt"); /* Get jit.opt.* module table. */ - lua_remove(L, -2); - lua_getfield(L, -1, "start"); - lua_remove(L, -2); - return runcmdopt(L, opt); -} - -/* Save or list bytecode. */ -static int dobytecode(lua_State *L, char **argv) -{ - int narg = 0; - lua_pushliteral(L, "bcsave"); - if (loadjitmodule(L)) - return 1; - if (argv[0][2]) { - narg++; - argv[0][1] = '-'; - lua_pushstring(L, argv[0]+1); - } - for (argv++; *argv != NULL; narg++, argv++) - lua_pushstring(L, *argv); - return report(L, lua_pcall(L, narg, 0, 0)); -} - -/* check that argument has no extra characters at the end */ -#define notail(x) {if ((x)[2] != '\0') return -1;} - -#define FLAGS_INTERACTIVE 1 -#define FLAGS_VERSION 2 -#define FLAGS_EXEC 4 -#define FLAGS_OPTION 8 - -static int collectargs(char **argv, int *flags) -{ - int i; - for (i = 1; argv[i] != NULL; i++) { - if (argv[i][0] != '-') /* Not an option? */ - return i; - switch (argv[i][1]) { /* Check option. */ - case '-': - notail(argv[i]); - return (argv[i+1] != NULL ? i+1 : 0); - case '\0': - return i; - case 'i': - notail(argv[i]); - *flags |= FLAGS_INTERACTIVE; - /* fallthrough */ - case 'v': - notail(argv[i]); - *flags |= FLAGS_VERSION; - break; - case 'e': - *flags |= FLAGS_EXEC; - case 'j': /* LuaJIT extension */ - case 'l': - *flags |= FLAGS_OPTION; - if (argv[i][2] == '\0') { - i++; - if (argv[i] == NULL) return -1; - } - break; - case 'O': break; /* LuaJIT extension */ - case 'b': /* LuaJIT extension */ - if (*flags) return -1; - *flags |= FLAGS_EXEC; - return 0; - default: return -1; /* invalid option */ - } - } - return 0; -} - -static int runargs(lua_State *L, char **argv, int n) -{ - int i; - for (i = 1; i < n; i++) { - if (argv[i] == NULL) continue; - lua_assert(argv[i][0] == '-'); - switch (argv[i][1]) { /* option */ - case 'e': { - const char *chunk = argv[i] + 2; - if (*chunk == '\0') chunk = argv[++i]; - lua_assert(chunk != NULL); - if (dostring(L, chunk, "=(command line)") != 0) - return 1; - break; - } - case 'l': { - const char *filename = argv[i] + 2; - if (*filename == '\0') filename = argv[++i]; - lua_assert(filename != NULL); - if (dolibrary(L, filename)) - return 1; /* stop if file fails */ - break; - } - case 'j': { /* LuaJIT extension */ - const char *cmd = argv[i] + 2; - if (*cmd == '\0') cmd = argv[++i]; - lua_assert(cmd != NULL); - if (dojitcmd(L, cmd)) - return 1; - break; - } - case 'O': /* LuaJIT extension */ - if (dojitopt(L, argv[i] + 2)) - return 1; - break; - case 'b': /* LuaJIT extension */ - return dobytecode(L, argv+i); - default: break; - } - } - return 0; -} - -static int handle_luainit(lua_State *L) -{ - const char *init = getenv(LUA_INIT); - if (init == NULL) - return 0; /* status OK */ - else if (init[0] == '@') - return dofile(L, init+1); - else - return dostring(L, init, "=" LUA_INIT); -} - -struct Smain { - char **argv; - int argc; - int status; -}; - -static int pmain(lua_State *L) -{ - struct Smain *s = (struct Smain *)lua_touserdata(L, 1); - char **argv = s->argv; - int script; - int flags = 0; - globalL = L; - if (argv[0] && argv[0][0]) progname = argv[0]; - LUAJIT_VERSION_SYM(); /* linker-enforced version check */ - lua_gc(L, LUA_GCSTOP, 0); /* stop collector during initialization */ - luaL_openlibs(L); /* open libraries */ - lua_gc(L, LUA_GCRESTART, -1); - s->status = handle_luainit(L); - if (s->status != 0) return 0; - script = collectargs(argv, &flags); - if (script < 0) { /* invalid args? */ - print_usage(); - s->status = 1; - return 0; - } - if ((flags & FLAGS_VERSION)) print_version(); - s->status = runargs(L, argv, (script > 0) ? script : s->argc); - if (s->status != 0) return 0; - if (script) - s->status = handle_script(L, argv, script); - if (s->status != 0) return 0; - if ((flags & FLAGS_INTERACTIVE)) { - print_jit_status(L); - dotty(L); - } else if (script == 0 && !(flags & (FLAGS_EXEC|FLAGS_VERSION))) { - if (lua_stdin_is_tty()) { - print_version(); - print_jit_status(L); - dotty(L); - } else { - dofile(L, NULL); /* executes stdin as a file */ - } - } - return 0; -} - -int main(int argc, char **argv) -{ - int status; - struct Smain s; - lua_State *L = lua_open(); /* create state */ - if (L == NULL) { - l_message(argv[0], "cannot create state: not enough memory"); - return EXIT_FAILURE; - } - s.argc = argc; - s.argv = argv; - status = lua_cpcall(L, pmain, &s); - report(L, status); - lua_close(L); - return (status || s.status) ? EXIT_FAILURE : EXIT_SUCCESS; -} - diff --git a/libraries/luajit-2.0/src/luajit.h b/libraries/luajit-2.0/src/luajit.h deleted file mode 100644 index 2421502..0000000 --- a/libraries/luajit-2.0/src/luajit.h +++ /dev/null @@ -1,70 +0,0 @@ -/* -** LuaJIT -- a Just-In-Time Compiler for Lua. http://luajit.org/ -** -** Copyright (C) 2005-2011 Mike Pall. All rights reserved. -** -** Permission is hereby granted, free of charge, to any person obtaining -** a copy of this software and associated documentation files (the -** "Software"), to deal in the Software without restriction, including -** without limitation the rights to use, copy, modify, merge, publish, -** distribute, sublicense, and/or sell copies of the Software, and to -** permit persons to whom the Software is furnished to do so, subject to -** the following conditions: -** -** The above copyright notice and this permission notice shall be -** included in all copies or substantial portions of the Software. -** -** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -** -** [ MIT license: http://www.opensource.org/licenses/mit-license.php ] -*/ - -#ifndef _LUAJIT_H -#define _LUAJIT_H - -#include "lua.h" - -#define LUAJIT_VERSION "LuaJIT 2.0.0-beta9" -#define LUAJIT_VERSION_NUM 20000 /* Version 2.0.0 = 02.00.00. */ -#define LUAJIT_VERSION_SYM luaJIT_version_2_0_0_beta9 -#define LUAJIT_COPYRIGHT "Copyright (C) 2005-2011 Mike Pall" -#define LUAJIT_URL "http://luajit.org/" - -/* Modes for luaJIT_setmode. */ -#define LUAJIT_MODE_MASK 0x00ff - -enum { - LUAJIT_MODE_ENGINE, /* Set mode for whole JIT engine. */ - LUAJIT_MODE_DEBUG, /* Set debug mode (idx = level). */ - - LUAJIT_MODE_FUNC, /* Change mode for a function. */ - LUAJIT_MODE_ALLFUNC, /* Recurse into subroutine protos. */ - LUAJIT_MODE_ALLSUBFUNC, /* Change only the subroutines. */ - - LUAJIT_MODE_TRACE, /* Flush a compiled trace. */ - - LUAJIT_MODE_WRAPCFUNC = 0x10, /* Set wrapper mode for C function calls. */ - - LUAJIT_MODE_MAX -}; - -/* Flags or'ed in to the mode. */ -#define LUAJIT_MODE_OFF 0x0000 /* Turn feature off. */ -#define LUAJIT_MODE_ON 0x0100 /* Turn feature on. */ -#define LUAJIT_MODE_FLUSH 0x0200 /* Flush JIT-compiled code. */ - -/* LuaJIT public C API. */ - -/* Control the JIT engine. */ -LUA_API int luaJIT_setmode(lua_State *L, int idx, int mode); - -/* Enforce (dynamic) linker error for version mismatches. Call from main. */ -LUA_API void LUAJIT_VERSION_SYM(void); - -#endif diff --git a/libraries/luajit-2.0/src/lualib.h b/libraries/luajit-2.0/src/lualib.h deleted file mode 100644 index 35fb698..0000000 --- a/libraries/luajit-2.0/src/lualib.h +++ /dev/null @@ -1,43 +0,0 @@ -/* -** Standard library header. -** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -*/ - -#ifndef _LUALIB_H -#define _LUALIB_H - -#include "lua.h" - -#define LUA_FILEHANDLE "FILE*" - -#define LUA_COLIBNAME "coroutine" -#define LUA_MATHLIBNAME "math" -#define LUA_STRLIBNAME "string" -#define LUA_TABLIBNAME "table" -#define LUA_IOLIBNAME "io" -#define LUA_OSLIBNAME "os" -#define LUA_LOADLIBNAME "package" -#define LUA_DBLIBNAME "debug" -#define LUA_BITLIBNAME "bit" -#define LUA_JITLIBNAME "jit" -#define LUA_FFILIBNAME "ffi" - -LUALIB_API int luaopen_base(lua_State *L); -LUALIB_API int luaopen_math(lua_State *L); -LUALIB_API int luaopen_string(lua_State *L); -LUALIB_API int luaopen_table(lua_State *L); -LUALIB_API int luaopen_io(lua_State *L); -LUALIB_API int luaopen_os(lua_State *L); -LUALIB_API int luaopen_package(lua_State *L); -LUALIB_API int luaopen_debug(lua_State *L); -LUALIB_API int luaopen_bit(lua_State *L); -LUALIB_API int luaopen_jit(lua_State *L); -LUALIB_API int luaopen_ffi(lua_State *L); - -LUALIB_API void luaL_openlibs(lua_State *L); - -#ifndef lua_assert -#define lua_assert(x) ((void)0) -#endif - -#endif diff --git a/libraries/luajit-2.0/src/msvcbuild.bat b/libraries/luajit-2.0/src/msvcbuild.bat deleted file mode 100644 index 422d165..0000000 --- a/libraries/luajit-2.0/src/msvcbuild.bat +++ /dev/null @@ -1,101 +0,0 @@ -@rem Script to build LuaJIT with MSVC. -@rem Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h -@rem -@rem Either open a "Visual Studio .NET Command Prompt" -@rem (Note that the Express Edition does not contain an x64 compiler) -@rem -or- -@rem Open a "Windows SDK Command Shell" and set the compiler environment: -@rem setenv /release /x86 -@rem -or- -@rem setenv /release /x64 -@rem -@rem Then cd to this directory and run this script. - -@if not defined INCLUDE goto :FAIL - -@setlocal -@set LJCOMPILE=cl /nologo /c /MD /O2 /W3 /D_CRT_SECURE_NO_DEPRECATE -@set LJLINK=link /nologo -@set LJMT=mt /nologo -@set LJLIB=lib /nologo -@set DASMDIR=..\dynasm -@set DASM=lua %DASMDIR%\dynasm.lua -@set ALL_LIB=lib_base.c lib_math.c lib_bit.c lib_string.c lib_table.c lib_io.c lib_os.c lib_package.c lib_debug.c lib_jit.c lib_ffi.c - -if not exist buildvm_x86.h^ - %DASM% -LN -o buildvm_x86.h buildvm_x86.dasc -@if errorlevel 1 goto :BAD -if not exist buildvm_x64win.h^ - %DASM% -LN -D X64 -D X64WIN -o buildvm_x64win.h buildvm_x86.dasc -@if errorlevel 1 goto :BAD - -%LJCOMPILE% /I "." /I %DASMDIR% buildvm*.c -@if errorlevel 1 goto :BAD -%LJLINK% /out:buildvm.exe buildvm*.obj -@if errorlevel 1 goto :BAD -if exist buildvm.exe.manifest^ - %LJMT% -manifest buildvm.exe.manifest -outputresource:buildvm.exe - -buildvm -m peobj -o lj_vm.obj -@if errorlevel 1 goto :BAD -buildvm -m bcdef -o lj_bcdef.h %ALL_LIB% -@if errorlevel 1 goto :BAD -buildvm -m ffdef -o lj_ffdef.h %ALL_LIB% -@if errorlevel 1 goto :BAD -buildvm -m libdef -o lj_libdef.h %ALL_LIB% -@if errorlevel 1 goto :BAD -buildvm -m recdef -o lj_recdef.h %ALL_LIB% -@if errorlevel 1 goto :BAD -buildvm -m vmdef -o ..\lib\vmdef.lua %ALL_LIB% -@if errorlevel 1 goto :BAD -buildvm -m folddef -o lj_folddef.h lj_opt_fold.c -@if errorlevel 1 goto :BAD - -@if "%1" neq "debug" goto :NODEBUG -@shift -@set LJCOMPILE=%LJCOMPILE% /Zi -@set LJLINK=%LJLINK% /debug -:NODEBUG -@if "%1"=="amalg" goto :AMALGDLL -@if "%1"=="static" goto :STATIC -%LJCOMPILE% /DLUA_BUILD_AS_DLL lj_*.c lib_*.c -@if errorlevel 1 goto :BAD -%LJLINK% /DLL /out:lua51.dll lj_*.obj lib_*.obj -@if errorlevel 1 goto :BAD -@goto :MTDLL -:STATIC -%LJCOMPILE% /DLUA_BUILD_AS_DLL lj_*.c lib_*.c -@if errorlevel 1 goto :BAD -%LJLIB% /OUT:lua51.lib lj_*.obj lib_*.obj -@if errorlevel 1 goto :BAD -@goto :MTDLL -:AMALGDLL -%LJCOMPILE% /DLUA_BUILD_AS_DLL ljamalg.c -@if errorlevel 1 goto :BAD -%LJLINK% /DLL /out:lua51.dll ljamalg.obj lj_vm.obj -@if errorlevel 1 goto :BAD -:MTDLL -if exist lua51.dll.manifest^ - %LJMT% -manifest lua51.dll.manifest -outputresource:lua51.dll;2 - -%LJCOMPILE% luajit.c -@if errorlevel 1 goto :BAD -%LJLINK% /out:luajit.exe luajit.obj lua51.lib -@if errorlevel 1 goto :BAD -if exist luajit.exe.manifest^ - %LJMT% -manifest luajit.exe.manifest -outputresource:luajit.exe - -@del *.obj *.manifest buildvm.exe -@echo. -@echo === Successfully built LuaJIT === - -@goto :END -:BAD -@echo. -@echo ******************************************************* -@echo *** Build FAILED -- Please check the error messages *** -@echo ******************************************************* -@goto :END -:FAIL -@echo You must open a "Visual Studio .NET Command Prompt" to run this script -:END -- cgit v1.1