Remove LuaJIT source, we can use packaged LuaJIT 2.0 release now.

Also some cleanups related to the other library removals.

1 files changed, 0 insertions, 811 deletions

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 <errno.h>
-
-#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<<MM_mode));
-  return t;
-}
-
-/* Register FFI module as loaded. */
-static void ffi_register_module(lua_State *L)
-{
-  cTValue *tmp = lj_tab_getstr(tabV(registry(L)), lj_str_newlit(L, "_LOADED"));
-  if (tmp && tvistab(tmp)) {
-    GCtab *t = tabV(tmp);
-    copyTV(L, lj_tab_setstr(L, t, lj_str_newlit(L, LUA_FFILIBNAME)), L->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