diff options
Diffstat (limited to 'elf/dl-lookup.c')
| -rw-r--r-- | elf/dl-lookup.c | 74 |
1 files changed, 48 insertions, 26 deletions
diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c index 48850e6caa..047ce4be9f 100644 --- a/elf/dl-lookup.c +++ b/elf/dl-lookup.c @@ -197,9 +197,8 @@ _dl_lookup_symbol (const char *undef_name, struct link_map *undef_map, const ElfW(Sym) **ref, struct r_scope_elem *symbol_scope[], int reloc_type, int explicit) { - const char *reference_name = undef_map ? undef_map->l_name : NULL; - const unsigned long int hash = _dl_elf_hash (undef_name); - struct sym_val current_value = { NULL, NULL }; + unsigned long int hash; + struct sym_val current_value; struct r_scope_elem **scope; int protected; int noexec = elf_machine_lookup_noexec_p (reloc_type); @@ -218,6 +217,9 @@ _dl_lookup_symbol (const char *undef_name, struct link_map *undef_map, ++_dl_num_relocations; + hash = _dl_elf_hash (undef_name); + current_value = ((struct sym_val) { NULL, NULL }); + /* Search the relevant loaded objects for a definition. */ for (scope = symbol_scope; *scope; ++scope) if (do_lookup (undef_name, hash, *ref, ¤t_value, *scope, 0, NULL, @@ -251,6 +253,8 @@ _dl_lookup_symbol (const char *undef_name, struct link_map *undef_map, if (__builtin_expect (current_value.s == NULL, 0)) { + const char *reference_name = undef_map ? undef_map->l_name : NULL; + if (*ref == NULL || ELFW(ST_BIND) ((*ref)->st_info) != STB_WEAK) /* We could find no value for a strong reference. */ /* XXX We cannot translate the messages. */ @@ -267,12 +271,16 @@ _dl_lookup_symbol (const char *undef_name, struct link_map *undef_map, protected = *ref && ELFW(ST_VISIBILITY) ((*ref)->st_other) == STV_PROTECTED; if (__builtin_expect (_dl_debug_mask & DL_DEBUG_BINDINGS, 0)) - _dl_debug_printf ("binding file %s to %s: %s symbol `%s'\n", - (reference_name && reference_name[0] - ? reference_name : (_dl_argv[0] ?: "<main program>")), - current_value.m->l_name[0] - ? current_value.m->l_name : _dl_argv[0], - protected ? "protected" : "normal", undef_name); + { + const char *reference_name = undef_map ? undef_map->l_name : NULL; + + _dl_debug_printf ("binding file %s to %s: %s symbol `%s'\n", + (reference_name && reference_name[0] + ? reference_name : (_dl_argv[0] ?: "<main program>")), + current_value.m->l_name[0] + ? current_value.m->l_name : _dl_argv[0], + protected ? "protected" : "normal", undef_name); + } if (__builtin_expect (protected == 0, 1)) { @@ -399,9 +407,8 @@ _dl_lookup_versioned_symbol (const char *undef_name, const struct r_found_version *version, int reloc_type, int explicit) { - const char *reference_name = undef_map ? undef_map->l_name : NULL; - const unsigned long int hash = _dl_elf_hash (undef_name); - struct sym_val current_value = { NULL, NULL }; + unsigned long int hash; + struct sym_val current_value; struct r_scope_elem **scope; int protected; int noexec = elf_machine_lookup_noexec_p (reloc_type); @@ -421,6 +428,9 @@ _dl_lookup_versioned_symbol (const char *undef_name, ++_dl_num_relocations; + hash = _dl_elf_hash (undef_name); + current_value = ((struct sym_val) { NULL, NULL }); + /* Search the relevant loaded objects for a definition. */ for (scope = symbol_scope; *scope; ++scope) { @@ -454,6 +464,8 @@ _dl_lookup_versioned_symbol (const char *undef_name, { /* Oh, oh. The file named in the relocation entry does not contain the needed symbol. */ + const char *reference_name = undef_map ? undef_map->l_name : NULL; + /* XXX We cannot translate the message. */ _dl_signal_cerror (0, (reference_name && reference_name[0] ? reference_name @@ -479,13 +491,19 @@ _dl_lookup_versioned_symbol (const char *undef_name, if (__builtin_expect (current_value.s == NULL, 0)) { if (*ref == NULL || ELFW(ST_BIND) ((*ref)->st_info) != STB_WEAK) - /* We could find no value for a strong reference. */ - /* XXX We cannot translate the message. */ - _dl_signal_cerror (0, (reference_name && reference_name[0] - ? reference_name - : (_dl_argv[0] ?: "<main program>")), - make_string (undefined_msg, undef_name, - ", version ", version->name ?: NULL)); + { + /* We could find no value for a strong reference. */ + const char *reference_name = undef_map ? undef_map->l_name : NULL; + + /* XXX We cannot translate the message. */ + _dl_signal_cerror (0, (reference_name && reference_name[0] + ? reference_name + : (_dl_argv[0] ?: "<main program>")), + make_string (undefined_msg, undef_name, + ", version ", + version->name ?: NULL)); + } + _dl_lookup_cache_versioned.ret = NULL; _dl_lookup_cache_versioned.value = 0; *ref = NULL; @@ -495,13 +513,17 @@ _dl_lookup_versioned_symbol (const char *undef_name, protected = *ref && ELFW(ST_VISIBILITY) ((*ref)->st_other) == STV_PROTECTED; if (__builtin_expect (_dl_debug_mask & DL_DEBUG_BINDINGS, 0)) - _dl_debug_printf ("binding file %s to %s: %s symbol `%s' [%s]\n", - (reference_name && reference_name[0] - ? reference_name : (_dl_argv[0] ?: "<main program>")), - current_value.m->l_name[0] - ? current_value.m->l_name : _dl_argv[0], - protected ? "protected" : "normal", - undef_name, version->name); + { + const char *reference_name = undef_map ? undef_map->l_name : NULL; + + _dl_debug_printf ("binding file %s to %s: %s symbol `%s' [%s]\n", + (reference_name && reference_name[0] + ? reference_name : (_dl_argv[0] ?: "<main program>")), + current_value.m->l_name[0] + ? current_value.m->l_name : _dl_argv[0], + protected ? "protected" : "normal", + undef_name, version->name); + } if (__builtin_expect (protected == 0, 1)) { |