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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/dlsym.c
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/dlsym.c')
-rw-r--r--elf/dlsym.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/elf/dlsym.c b/elf/dlsym.c
index 7677f2741f..256eba800e 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);