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authorRoland McGrath <roland@gnu.org>1996-06-25 18:22:06 +0000
committerRoland McGrath <roland@gnu.org>1996-06-25 18:22:06 +0000
commit622586fbe088fbd0cca0533a046e65114c584526 (patch)
treea4f9cedd81e45b312fd057d9e92039c6895a5519 /elf
parenta4242e25dcf614b1eeb827e96d6d3c9f503f519d (diff)
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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.c2
-rw-r--r--elf/dlsym.c18
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);