diff options
Diffstat (limited to 'elf/dl-version.c')
| -rw-r--r-- | elf/dl-version.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/elf/dl-version.c b/elf/dl-version.c index 0675b1c..b5515c8 100644 --- a/elf/dl-version.c +++ b/elf/dl-version.c @@ -155,16 +155,23 @@ int _dl_check_map_versions (struct link_map *map, int verbose) { int result = 0; - const char *strtab = (const char *) (map->l_addr - + map->l_info[DT_STRTAB]->d_un.d_ptr); + const char *strtab; /* Pointer to section with needed versions. */ - ElfW(Dyn) *dyn = map->l_info[VERSTAG (DT_VERNEED)]; + ElfW(Dyn) *dyn; /* Pointer to dynamic section with definitions. */ - ElfW(Dyn) *def = map->l_info[VERSTAG (DT_VERDEF)]; + ElfW(Dyn) *def; /* We need to find out which is the highest version index used in a dependecy. */ unsigned int ndx_high = 0; + /* If we don't have a string table, we must be ok. */ + if (map->l_info[DT_STRTAB] == NULL) + return 0; + strtab = (const char *) (map->l_addr + map->l_info[DT_STRTAB]->d_un.d_ptr); + + dyn = map->l_info[VERSTAG (DT_VERNEED)]; + def = map->l_info[VERSTAG (DT_VERDEF)]; + if (dyn != NULL) { /* This file requires special versions from its dependencies. */ |