diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2006-01-10 00:29:56 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2006-01-10 00:29:56 +0000 |
| commit | 22eff99ada7e5c18e2b2962a8c03384c579ec4c8 (patch) | |
| tree | dee809eb0ea0bb1b41ff5f7ab5589420e0d0d11c | |
| parent | ea0cc5b36c0dcc5a9b5994e8d8ecf3e848eeb3a0 (diff) | |
support a few more relocation types
| -rw-r--r-- | ldso/ldso/x86_64/elfinterp.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/ldso/ldso/x86_64/elfinterp.c b/ldso/ldso/x86_64/elfinterp.c index 8fd0ebba1..ef0fcb4e4 100644 --- a/ldso/ldso/x86_64/elfinterp.c +++ b/ldso/ldso/x86_64/elfinterp.c @@ -165,6 +165,7 @@ _dl_do_reloc(struct elf_resolve *tpnt, struct dyn_elf *scope, int reloc_type; int symtab_index; char *symname; + ElfW(Sym) *sym; ElfW(Addr) *reloc_addr; ElfW(Addr) symbol_addr; #if defined (__SUPPORT_LD_DEBUG__) @@ -174,8 +175,9 @@ _dl_do_reloc(struct elf_resolve *tpnt, struct dyn_elf *scope, reloc_addr = (ElfW(Addr)*)(tpnt->loadaddr + (unsigned long)rpnt->r_offset); reloc_type = ELF_R_TYPE(rpnt->r_info); symtab_index = ELF_R_SYM(rpnt->r_info); + sym = &symtab[symtab_index]; symbol_addr = 0; - symname = strtab + symtab[symtab_index].st_name; + symname = strtab + sym->st_name; if (symtab_index) { symbol_addr = (ElfW(Addr))_dl_find_hash(symname, scope, tpnt, @@ -185,7 +187,7 @@ _dl_do_reloc(struct elf_resolve *tpnt, struct dyn_elf *scope, * might have been intentional. We should not be linking local * symbols here, so all bases should be covered. */ - if (unlikely(!symbol_addr && ELF_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK)) { + if (unlikely(!symbol_addr && ELF_ST_BIND(sym->st_info) != STB_WEAK)) { _dl_dprintf(2, "%s: can't resolve symbol '%s'\n", _dl_progname, symname); _dl_exit(1); }; @@ -217,33 +219,33 @@ _dl_do_reloc(struct elf_resolve *tpnt, struct dyn_elf *scope, *reloc_addr = map->l_addr + rpnt->r_addend; break; */ -#if 0 case R_X86_64_DTPMOD64: + *reloc_addr = 1; break; case R_X86_64_DTPOFF64: - *reloc_addr = symbol_addr + rpnt->r_addend; + *reloc_addr = sym->st_value + rpnt->r_addend; break; case R_X86_64_TPOFF64: - *reloc_addr = symbol_addr + rpnt->r_addend; + *reloc_addr = sym->st_value + rpnt->r_addend - symbol_addr; break; case R_X86_64_32: - *reloc_addr = symbol_addr + rpnt->r_addend; + *(unsigned int *) reloc_addr = symbol_addr + rpnt->r_addend; + /* XXX: should check for overflow eh ? */ break; -#endif case R_X86_64_COPY: if (symbol_addr) { #if defined (__SUPPORT_LD_DEBUG__) if (_dl_debug_move) _dl_dprintf(_dl_debug_file, "\t%s move %d bytes from %x to %x\n", - symname, symtab[symtab_index].st_size, + symname, sym->st_size, symbol_addr, reloc_addr); #endif _dl_memcpy((char *)reloc_addr, (char *)symbol_addr, - symtab[symtab_index].st_size); + sym->st_size); } else _dl_dprintf(_dl_debug_file, "no symbol_addr to copy !?\n"); break; |