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tccpe: allow linkage to extern symbols from asm

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This commit is contained in:
grischka 2009-12-19 19:14:01 +01:00
parent b5e2238483
commit 1445fea582
2 changed files with 24 additions and 0 deletions
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1
libtcc.c
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@ -1074,6 +1074,7 @@ static Sym *sym_push2(Sym **ps, int v, int t, long c)
s = sym_malloc(); s = sym_malloc();
s->v = v; s->v = v;
s->type.t = t; s->type.t = t;
s->type.ref = NULL;
#ifdef _WIN64 #ifdef _WIN64
s->d = NULL; s->d = NULL;
#endif #endif

23
tccpe.c
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@ -1184,6 +1184,21 @@ ST_FN void pe_relocate_rva (struct pe_info *pe, Section *s)
} }
} }
/*----------------------------------------------------------------------------*/
static int pe_isafunc(int sym_index)
{
Section *sr = text_section->reloc;
ElfW_Rel *rel, *rel_end;
Elf32_Word info = ELF32_R_INFO(sym_index, R_386_PC32);
if (!sr)
return 0;
rel_end = (ElfW_Rel *)(sr->data + sr->data_offset);
for (rel = (ElfW_Rel *)sr->data; rel < rel_end; rel++)
if (rel->r_info == info)
return 1;
return 0;
}
/*----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------*/
ST_FN int pe_check_symbols(struct pe_info *pe) ST_FN int pe_check_symbols(struct pe_info *pe)
{ {
@ -1210,6 +1225,14 @@ ST_FN int pe_check_symbols(struct pe_info *pe)
if (!is) if (!is)
goto not_found; goto not_found;
if (type == STT_NOTYPE) {
/* symbols from assembler have no type, find out which */
if (pe_isafunc(sym_index))
type = STT_FUNC;
else
type = STT_OBJECT;
}
if (type == STT_FUNC) { if (type == STT_FUNC) {
unsigned long offset = is->thk_offset; unsigned long offset = is->thk_offset;
if (offset) { if (offset) {