Further improve printing os ELF symbol lookup scope information

diff --git a/ChangeLog b/ChangeLog
index 679dd698378b3ef4a68f4d368be7ec35daf2cd3f..84378d19dda955aa542c16990b4f9735498232af 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2011-08-20  Ulrich Drepper  <drepper@gmail.com>
 
+       * elf/dl-open.c (add_to_global): Report additions to the global scope
+       for LD_DEBUG=scopes.
+       (dl_open_worker): Also print scope of newly loaded dependencies.
+
        [BZ #13114]
        * stdio-common/Makefile (tests): Add bug24.
        * stdio-common/bug24.c: New file.

diff --git a/elf/dl-open.c b/elf/dl-open.c
index 65fdd3168d29663df2ac09933618a67aa6f1a839..865490daafcf00204ad0c15790cc57bf7c356f8c 100644 (file)
--- a/elf/dl-open.c
+++ b/elf/dl-open.c
@@ -152,6 +152,11 @@ add_to_global (struct link_map *new)
        {
          map->l_global = 1;
          ns->_ns_main_searchlist->r_list[new_nlist++] = map;
+
+         /* We modify the global scope.  Report this.  */
+         if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_SCOPES, 0))
+           _dl_debug_printf ("\nadd %s [%lu] to global scope\n",
+                             map->l_name, map->l_ns);
        }
     }
   atomic_write_barrier ();
@@ -345,6 +350,7 @@ dl_open_worker (void *a)
   for (unsigned int i = 0; i < new->l_searchlist.r_nlist; ++i)
     {
       struct link_map *imap = new->l_searchlist.r_list[i];
+      int from_scope = 0;
 
       /* If the initializer has been called already, the object has
         not been loaded here and now.  */
@@ -409,9 +415,8 @@ dl_open_worker (void *a)
          atomic_write_barrier ();
          imap->l_scope[cnt] = &new->l_searchlist;
 
-         /* Print scope information.  */
-         if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_SCOPES, 0))
-           _dl_show_scope (imap, cnt);
+         /* Print only new scope information.  */
+         from_scope = cnt;
        }
       /* Only add TLS memory if this object is loaded now and
         therefore is not yet initialized.  */
@@ -431,6 +436,10 @@ dl_open_worker (void *a)
          /* We have to bump the generation counter.  */
          any_tls = true;
        }
+
+      /* Print scope information.  */
+      if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_SCOPES, 0))
+       _dl_show_scope (imap, from_scope);
     }
 
   /* Bump the generation number if necessary.  */