diff options
| author | Andreas Jaeger <aj@suse.de> | 2000-04-14 00:35:47 +0000 |
|---|---|---|
| committer | Andreas Jaeger <aj@suse.de> | 2000-04-14 00:35:47 +0000 |
| commit | 68e1ab18abb0738218c37398d47f431b6697fbf3 (patch) | |
| tree | 6229ed1eaa992dab54280c6013651a912e95c812 | |
| parent | 0fc9546475a04def217688022ac9da264d71b9c7 (diff) | |
| download | glibc-68e1ab18abb0738218c37398d47f431b6697fbf3.zip glibc-68e1ab18abb0738218c37398d47f431b6697fbf3.tar.gz glibc-68e1ab18abb0738218c37398d47f431b6697fbf3.tar.bz2 | |
Update.
(elf_machine_got_rel): Handle symbol versioning.
| -rw-r--r-- | ChangeLog | 1 | ||||
| -rw-r--r-- | sysdeps/mips/dl-machine.h | 65 |
2 files changed, 48 insertions, 18 deletions
@@ -3,6 +3,7 @@ * sysdeps/mips/dl-machine.h (__dl_runtime_resolve): Handle symbol versioning. (elf_machine_got_rel): Only add runtime display if needed. + (elf_machine_got_rel): Handle symbol versioning. 2000-04-13 Andreas Jaeger <aj@suse.de> diff --git a/sysdeps/mips/dl-machine.h b/sysdeps/mips/dl-machine.h index 960b6b7..0d971e2 100644 --- a/sysdeps/mips/dl-machine.h +++ b/sysdeps/mips/dl-machine.h @@ -485,18 +485,46 @@ elf_machine_got_rel (struct link_map *map, int lazy) { ElfW(Addr) *got; ElfW(Sym) *sym; - int i, n; + int i, n, symidx; const char *strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]); + /* This function is loaded in dl-reloc as a nested function and can + therefore access the variable scope from _dl_relocate_object. */ +#ifdef RTLD_BOOTSTRAP +# define RESOLVE_GOTSYM(sym,sym_index) 0 +#else /* FIXME: The macro RESOLVE_GOTSYM is not handling versioning. */ -#define RESOLVE_GOTSYM(sym) \ - ({ \ - const ElfW(Sym) *ref = sym; \ - ElfW(Addr) sym_loadaddr; \ - sym_loadaddr = _dl_lookup_symbol (strtab + sym->st_name, map, \ - &ref, map->l_scope, \ - R_MIPS_REL32); \ - (ref)? sym_loadaddr + ref->st_value: 0; \ +# define RESOLVE_GOTSYM(sym,sym_index) \ + ({ \ + const ElfW(Sym) *ref = sym; \ + ElfW(Addr) value; \ + \ + switch (map->l_info[VERSYMIDX (DT_VERSYM)] != NULL) \ + { \ + default: \ + { \ + const ElfW(Half) *vernum = \ + (const void *) D_PTR (map, l_info[VERSYMIDX (DT_VERSYM)]); \ + ElfW(Half) ndx = vernum[sym_index]; \ + const struct r_found_version *version = &l->l_versions[ndx]; \ + \ + if (version->hash != 0) \ + { \ + value = _dl_lookup_versioned_symbol(strtab + sym->st_name, \ + map, \ + &ref, scope, version, \ + R_MIPS_REL32); \ + break; \ + } \ + /* Fall through. */ \ + } \ + case 0: \ + value = _dl_lookup_symbol (strtab + sym->st_name, map, &ref, \ + scope, R_MIPS_REL32); \ + } \ + \ + (ref)? value + ref->st_value: 0; \ }) +#endif /* RTLD_BOOTSTRAP */ got = (ElfW(Addr) *) D_PTR (map, l_info[DT_PLTGOT]); @@ -510,8 +538,6 @@ elf_machine_got_rel (struct link_map *map, int lazy) while (i < n) got[i++] += map->l_addr; } - else - i = n; /* Handle global got entries. */ got += n; @@ -519,7 +545,9 @@ elf_machine_got_rel (struct link_map *map, int lazy) sym += map->l_info[DT_MIPS (GOTSYM)]->d_un.d_val; i = (map->l_info[DT_MIPS (SYMTABNO)]->d_un.d_val - map->l_info[DT_MIPS (GOTSYM)]->d_un.d_val); - + /* Keep track of the symbol index. */ + symidx = n; + while (i--) { if (sym->st_shndx == SHN_UNDEF) @@ -529,13 +557,13 @@ elf_machine_got_rel (struct link_map *map, int lazy) if (sym->st_value && lazy) *got = sym->st_value + map->l_addr; else - *got = RESOLVE_GOTSYM (sym); + *got = RESOLVE_GOTSYM (sym, symidx); } else /* if (*got == 0 || *got == QS) */ - *got = RESOLVE_GOTSYM (sym); + *got = RESOLVE_GOTSYM (sym, symidx); } else if (sym->st_shndx == SHN_COMMON) - *got = RESOLVE_GOTSYM (sym); + *got = RESOLVE_GOTSYM (sym, symidx); else if (ELFW(ST_TYPE) (sym->st_info) == STT_FUNC && *got != sym->st_value && lazy) @@ -546,10 +574,11 @@ elf_machine_got_rel (struct link_map *map, int lazy) *got += map->l_addr; } else - *got = RESOLVE_GOTSYM (sym); + *got = RESOLVE_GOTSYM (sym, symidx); - got++; - sym++; + ++got; + ++sym; + ++symidx; } #undef RESOLVE_GOTSYM |