Better debug information from ld.so

Differentiate between loading as a dependency and loading on request.

diff --git a/ChangeLog b/ChangeLog
index 83bee3f..a5ad9e3 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-08-12  Ulrich Drepper  <drepper@gmail.com>
+
+       * 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  <drepper@gmail.com>
 
        * intl/l10nflist.c: Allow architecture-specific pop function.

diff --git a/elf/dl-load.c b/elf/dl-load.c
index 18a83d2..ec700c4 100644 (file)
--- a/elf/dl-load.c
+++ b/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