diff options
| -rw-r--r-- | sysdeps/x86_64/dl-machine.h | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/sysdeps/x86_64/dl-machine.h b/sysdeps/x86_64/dl-machine.h index 103eee6..9a876a3 100644 --- a/sysdeps/x86_64/dl-machine.h +++ b/sysdeps/x86_64/dl-machine.h @@ -570,12 +570,21 @@ elf_machine_lazy_rel (struct link_map *map, } else if (__glibc_likely (r_type == R_X86_64_TLSDESC)) { - struct tlsdesc volatile * __attribute__((__unused__)) td = - (struct tlsdesc volatile *)reloc_addr; + const Elf_Symndx symndx = ELFW (R_SYM) (reloc->r_info); + const ElfW (Sym) *symtab = (const void *)D_PTR (map, l_info[DT_SYMTAB]); + const ElfW (Sym) *sym = &symtab[symndx]; + const struct r_found_version *version = NULL; - td->arg = (void*)reloc; - td->entry = (void*)(D_PTR (map, l_info[ADDRIDX (DT_TLSDESC_PLT)]) - + map->l_addr); + if (map->l_info[VERSYMIDX (DT_VERSYM)] != NULL) + { + const ElfW (Half) *vernum = + (const void *)D_PTR (map, l_info[VERSYMIDX (DT_VERSYM)]); + version = &map->l_versions[vernum[symndx] & 0x7fff]; + } + + /* Always initialize TLS descriptors completely at load time, in + case static TLS is allocated for it that requires locking. */ + elf_machine_rela (map, reloc, sym, version, reloc_addr, skip_ifunc); } else if (__glibc_unlikely (r_type == R_X86_64_IRELATIVE)) { |