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. --- libraries/luajit-2.0/lib/dis_ppc.lua | 591 ----------------------------------- 1 file changed, 591 deletions(-) delete mode 100644 libraries/luajit-2.0/lib/dis_ppc.lua (limited to 'libraries/luajit-2.0/lib/dis_ppc.lua') 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_ - -- cgit v1.1