Better debug information from ld.so

Differentiate between loading as a dependency and loading on request.

ChangeLog

@@ -1,3 +1,8 @@
+2011-08-12  Ulrich Drepper  <[email protected]>
+
+	* elf/dl-load.c (_dl_map_object): Show in debug output whether a DSO
+	was a dependency or dynamically loaded.
+
 2011-08-11  Ulrich Drepper  <[email protected]>
 
 	* intl/l10nflist.c: Allow architecture-specific pop function.

elf/dl-load.c

@@ -2094,9 +2094,11 @@ _dl_map_object (struct link_map *loader, const char *name,
   /* Display information if we are debugging.  */
   if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_FILES, 0)
       && loader != NULL)
-    _dl_debug_printf ("\nfile=%s [%lu];  needed by %s [%lu]\n", name, nsid,
-			      loader->l_name[0]
-			      ? loader->l_name : rtld_progname, loader->l_ns);
+    _dl_debug_printf ((mode & __RTLD_DLOPEN) == 0
+		      ? "\nfile=%s [%lu];  needed by %s [%lu]\n"
+		      : "\nfile=%s [%lu];  dynamically loaded by %s [%lu]\n",
+		      name, nsid, loader->l_name[0]
+		      ? loader->l_name : rtld_progname, loader->l_ns);
 
 #ifdef SHARED
   /* Give the auditing libraries a chance to change the name before we