diff options
Diffstat (limited to 'tccelf.c')
| -rw-r--r-- | tccelf.c | 13 |
1 files changed, 9 insertions, 4 deletions
@@ -394,12 +394,17 @@ ST_FUNC int add_elf_sym(Section *s, addr_t value, unsigned long size, sym_type = ELFW(ST_TYPE)(info); sym_vis = ELFW(ST_VISIBILITY)(other); + sym_index = find_elf_sym(s, name); + esym = &((ElfW(Sym) *)s->data)[sym_index]; + if (sym_index && esym->st_value == value && esym->st_size == size + && esym->st_info == info && esym->st_other == other + && esym->st_shndx == sh_num) + return sym_index; + if (sym_bind != STB_LOCAL) { /* we search global or weak symbols */ - sym_index = find_elf_sym(s, name); if (!sym_index) goto do_def; - esym = &((ElfW(Sym) *)s->data)[sym_index]; if (esym->st_shndx != SHN_UNDEF) { esym_bind = ELFW(ST_BIND)(esym->st_info); /* propagate the most constraining visibility */ @@ -2058,7 +2063,7 @@ static void bind_exe_dynsyms(TCCState *s1) } else if (s1->rdynamic && ELFW(ST_BIND)(sym->st_info) != STB_LOCAL) { /* if -rdynamic option, then export all non local symbols */ name = (char *) symtab_section->link->data + sym->st_name; - put_elf_sym(s1->dynsym, sym->st_value, sym->st_size, sym->st_info, + add_elf_sym(s1->dynsym, sym->st_value, sym->st_size, sym->st_info, 0, sym->st_shndx, name); } } @@ -2081,7 +2086,7 @@ static void bind_libs_dynsyms(TCCState *s1) -rdynamic ? */ sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; if (sym_index && sym->st_shndx != SHN_UNDEF) - put_elf_sym(s1->dynsym, sym->st_value, sym->st_size, sym->st_info, + add_elf_sym(s1->dynsym, sym->st_value, sym->st_size, sym->st_info, 0, sym->st_shndx, name); else if (esym->st_shndx == SHN_UNDEF) { /* weak symbols can stay undefined */ |