diff options
Diffstat (limited to 'elf')
-rw-r--r-- | elf/dl-lookup.c | 8 | ||||
-rw-r--r-- | elf/dl-version.c | 1 | ||||
-rw-r--r-- | elf/dlvsym.c | 1 | ||||
-rw-r--r-- | elf/link.h | 1 |
4 files changed, 8 insertions, 3 deletions
diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c index 15da23d95c..4cc1f2d468 100644 --- a/elf/dl-lookup.c +++ b/elf/dl-lookup.c @@ -151,10 +151,12 @@ do_lookup (const char *undef_name, unsigned long int hash, } else { - /* We can match the version information. */ + /* We can match the version information or use the + default one. */ ElfW(Half) ndx = verstab[symidx] & 0x7fff; - if (map->l_versions[ndx].hash != version->hash - || strcmp (map->l_versions[ndx].name, version->name)) + if ((map->l_versions[ndx].hash != version->hash + || strcmp (map->l_versions[ndx].name, version->name)) + && (version->hidden || map->l_versions[ndx].hash)) /* It's not the version we want. */ continue; } diff --git a/elf/dl-version.c b/elf/dl-version.c index f7df9805b3..d06fd5ce1e 100644 --- a/elf/dl-version.c +++ b/elf/dl-version.c @@ -274,6 +274,7 @@ _dl_check_map_versions (struct link_map *map, int verbose) { ElfW(Half) ndx = aux->vna_other & 0x7fff; map->l_versions[ndx].hash = aux->vna_hash; + map->l_versions[ndx].hidden = aux->vna_other & 0x8000; map->l_versions[ndx].name = &strtab[aux->vna_name]; map->l_versions[ndx].filename = &strtab[ent->vn_file]; diff --git a/elf/dlvsym.c b/elf/dlvsym.c index ca8e25d9df..18cb892a3f 100644 --- a/elf/dlvsym.c +++ b/elf/dlvsym.c @@ -95,6 +95,7 @@ __dlvsym (void *handle, const char *name, const char *version_str) /* Compute hash value to the version string. */ args.version.name = version_str; + args.version.hidden = 1; args.version.hash = _dl_elf_hash (version_str); /* We don't have a specific file where the symbol can be found. */ args.version.filename = NULL; diff --git a/elf/link.h b/elf/link.h index 6c272fe054..20e80b1466 100644 --- a/elf/link.h +++ b/elf/link.h @@ -87,6 +87,7 @@ struct r_found_version const char *name; ElfW(Word) hash; + int hidden; const char *filename; }; |