Tccelf.c has an undefined reference to sym_index with R_X86_64_PC32 case
line 897.
The declaration of sym_index at line 877 is not covered by this case.
static int prepare_dynamic_rel(TCCState *s1, Section *sr)
{
ElfW_Rel *rel;
int type, count;
count = 0;
for_each_elem(sr, 0, rel, ElfW_Rel) {
type = ELFW(R_TYPE)(rel->r_info);
switch(type) {
#if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64)
#if defined(TCC_TARGET_I386)
int sym_index = ELFW(R_SYM)(rel->r_info); <<<< definition limited
to I386
case R_386_32:
if (!get_sym_attr(s1, sym_index, 0)->dyn_index
&& ((ElfW(Sym)*)symtab_section->data + sym_index)->st_shndx
== SHN_UNDEF) {
/* don't fixup unresolved (weak) symbols */
rel->r_info = ELFW(R_INFO)(sym_index, R_386_RELATIVE);
break;
}
#elif defined(TCC_TARGET_X86_64)
case R_X86_64_32:
case R_X86_64_32S:
case R_X86_64_64:
#endif
count++;
break;
#if defined(TCC_TARGET_I386)
case R_386_PC32:
#elif defined(TCC_TARGET_X86_64)
case R_X86_64_PC32:
#endif
if (get_sym_attr(s1, sym_index, 0)->dyn_index)
count++;
break;
#endif
default:
break;
}
}
if (count) {
/* allocate the section */
sr->sh_flags |= SHF_ALLOC;
sr->sh_size = count * sizeof(ElfW_Rel);
}
return count;
}
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