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FFI: Record loads/stores to external variables in namespaces.

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This commit is contained in:
Mike Pall
2011-10-11 20:56:57 +02:00
parent 4a144625c9
commit 120c3adbff
3 changed files with 21 additions and 5 deletions
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17
src/lj_crecord.c
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@@ -1031,6 +1031,7 @@ void LJ_FASTCALL recff_clib_index(jit_State *J, RecordFFData *rd)
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));
@@ -1041,7 +1042,21 @@ void LJ_FASTCALL recff_clib_index(jit_State *J, RecordFFData *rd)
else
J->base[0] = lj_ir_kint(J, (int32_t)ct->size);
} else if (ctype_isextern(ct->info)) {
lj_trace_err(J, LJ_TRERR_BADTYPE); /* NYI: access extern variables. */
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);
}