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author | Roland McGrath <roland@gnu.org> | 1996-06-25 18:22:06 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1996-06-25 18:22:06 +0000 |
commit | 622586fbe088fbd0cca0533a046e65114c584526 (patch) | |
tree | a4f9cedd81e45b312fd057d9e92039c6895a5519 /elf | |
parent | a4242e25dcf614b1eeb827e96d6d3c9f503f519d (diff) | |
download | glibc-622586fbe088fbd0cca0533a046e65114c584526.zip glibc-622586fbe088fbd0cca0533a046e65114c584526.tar.gz glibc-622586fbe088fbd0cca0533a046e65114c584526.tar.bz2 |
Tue Jun 25 10:58:23 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* inet/getrpcent.c: Fix macros.
* inet/getrpcent_r.c: Fix macros.
* elf/dlsym.c (dlsym): Search the global scope if HANDLE is null.
* elf/dl-load.c (_dl_map_object_from_fd): Initialize L.
Diffstat (limited to 'elf')
-rw-r--r-- | elf/dl-load.c | 2 | ||||
-rw-r--r-- | elf/dlsym.c | 18 |
2 files changed, 16 insertions, 4 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c index f01bdad..c19ebe7 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -70,7 +70,7 @@ struct link_map * _dl_map_object_from_fd (const char *name, int fd, char *realname, struct link_map *loader, int l_type) { - struct link_map *l; + struct link_map *l = NULL; void *file_mapping = NULL; size_t mapping_size = 0; diff --git a/elf/dlsym.c b/elf/dlsym.c index 7677f27..256eba8 100644 --- a/elf/dlsym.c +++ b/elf/dlsym.c @@ -26,13 +26,25 @@ Cambridge, MA 02139, USA. */ void * dlsym (void *handle, const char *name) { - struct link_map *map = handle; ElfW(Addr) loadbase; const ElfW(Sym) *ref = NULL; void doit (void) { - struct link_map *scope[2] = { map, NULL }; - loadbase = _dl_lookup_symbol (name, &ref, scope, map->l_name, 0, 0); + struct link_map *map = handle, **scope, *mapscope[2] = { map, NULL }; + const char *owner; + + if (map) + { + /* Search the scope of the given object. */ + scope = mapscope; + owner = map->l_name; + } + else + { + scope = &(_dl_global_scope ?: _dl_default_scope)[2]; + owner = NULL; + } + loadbase = _dl_lookup_symbol (name, &ref, scope, owner, 0, 0); } return _dlerror_run (doit) ? NULL : (void *) (loadbase + ref->st_value); |