diff options
Diffstat (limited to 'tccelf.c')
| -rw-r--r-- | tccelf.c | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -1510,12 +1510,32 @@ static int elf_output_file(TCCState *s1, const char *filename) sym - (ElfW(Sym) *)symtab_section->data); } else if (type == STT_OBJECT) { unsigned long offset; + ElfW(Sym) *dynsym, *dynsym_end; offset = bss_section->data_offset; /* XXX: which alignment ? */ offset = (offset + 16 - 1) & -16; index = put_elf_sym(s1->dynsym, offset, esym->st_size, esym->st_info, 0, bss_section->sh_num, name); + /* Ensure symbol aliases (that is, symbols with + the same st_value) resolve to the same + address in program .bss or .data section. */ + dynsym_end = (ElfW(Sym) *) + (s1->dynsymtab_section->data + + s1->dynsymtab_section->data_offset); + for(dynsym = (ElfW(Sym) *)s1->dynsymtab_section->data + 1; + dynsym < dynsym_end; dynsym++) { + if (dynsym->st_value == esym->st_value) { + char *dynname; + dynname = s1->dynsymtab_section->link->data + + dynsym->st_name; + put_elf_sym(s1->dynsym, offset, + dynsym->st_size, + dynsym->st_info, 0, + bss_section->sh_num, + dynname); + } + } put_elf_reloc(s1->dynsym, bss_section, offset, R_COPY, index); offset += esym->st_size; |