From 2e93b4a4cd190fc8d21682f69a5455dc6dcd04dd Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Tue, 24 Oct 2000 19:18:25 +0000
Subject: Update.

	* elf/dl-deps.c (_dl_map_object_deps): Put l_initfini array before
	r_list array in allocated memory.
	* elf/dl-close.c (_dl_close): Optimize access to l_initfini list
	and remove use of r_list.
---
 elf/dl-close.c | 23 +++++++++--------------
 elf/dl-deps.c  | 18 ++++++++++--------
 2 files changed, 19 insertions(+), 22 deletions(-)

(limited to 'elf')

diff --git a/elf/dl-close.c b/elf/dl-close.c
index 4ee5c1b9bb..db11d3b50a 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -86,7 +86,7 @@ _dl_close (void *_map)
       return;
     }
 
-  list = map->l_searchlist.r_list;
+  list = map->l_initfini;
   nsearchlist = map->l_searchlist.r_nlist;
 
   /* Compute the new l_opencount values.  */
@@ -94,23 +94,23 @@ _dl_close (void *_map)
 					   * sizeof (unsigned int));
   for (i = 0; i < nsearchlist; ++i)
     {
-      map->l_initfini[i]->l_idx = i;
-      new_opencount[i] = map->l_initfini[i]->l_opencount;
+      list[i]->l_idx = i;
+      new_opencount[i] = list[i]->l_opencount;
     }
   --new_opencount[0];
   for (i = 1; i < nsearchlist; ++i)
-    if (! (map->l_initfini[i]->l_flags_1 & DF_1_NODELETE)
+    if (! (list[i]->l_flags_1 & DF_1_NODELETE)
 	/* Decrement counter.  */
 	&& --new_opencount[i] == 0
 	/* Test whether this object was also loaded directly.  */
-	&& map->l_initfini[i]->l_searchlist.r_list != NULL)
+	&& list[i]->l_searchlist.r_list != NULL)
       {
 	/* In this case we have the decrement all the dependencies of
            this object.  They are all in MAP's dependency list.  */
 	unsigned int j;
-	struct link_map **dep_list = map->l_initfini[i]->l_searchlist.r_list;
+	struct link_map **dep_list = list[i]->l_searchlist.r_list;
 
-	for (j = 1; j < map->l_initfini[i]->l_searchlist.r_nlist; ++j)
+	for (j = 1; j < list[i]->l_searchlist.r_nlist; ++j)
 	  if (! (dep_list[j]->l_flags_1 & DF_1_NODELETE))
 	    {
 	      assert (dep_list[j]->l_idx < nsearchlist);
@@ -125,7 +125,7 @@ _dl_close (void *_map)
   /* Call all termination functions at once.  */
   for (i = 0; i < nsearchlist; ++i)
     {
-      struct link_map *imap = map->l_initfini[i];
+      struct link_map *imap = list[i];
       if (new_opencount[i] == 0 && imap->l_type == lt_loaded
 	  && (imap->l_info[DT_FINI] || imap->l_info[DT_FINI_ARRAY])
 	  && ! (imap->l_flags_1 & DF_1_NODELETE)
@@ -235,12 +235,7 @@ _dl_close (void *_map)
 
 	  /* Remove the searchlists.  */
 	  if (imap != map)
-	    {
-	      if (imap->l_searchlist.r_list != NULL)
-		free (imap->l_searchlist.r_list);
-	      else
-		free (imap->l_initfini);
-	    }
+	      free (imap->l_initfini);
 
 	  if (imap->l_phdr_allocated)
 	    free ((void *) imap->l_phdr);
diff --git a/elf/dl-deps.c b/elf/dl-deps.c
index c3feb98270..c9997310ba 100644
--- a/elf/dl-deps.c
+++ b/elf/dl-deps.c
@@ -468,12 +468,16 @@ _dl_map_object_deps (struct link_map *map,
 
   /* Store the search list we built in the object.  It will be used for
      searches in the scope of this object.  */
-  map->l_searchlist.r_list = malloc ((2 * nlist + 1
-				      + (nlist == nduplist ? 0 : nduplist))
-				     * sizeof (struct link_map *));
-  if (map->l_searchlist.r_list == NULL)
+  map->l_initfini =
+    (struct link_map **) malloc ((2 * nlist + 1
+				  + (nlist == nduplist ? 0 : nduplist))
+				 * sizeof (struct link_map *));
+  if (map->l_initfini == NULL)
     _dl_signal_error (ENOMEM, map->l_name,
 		      N_("cannot allocate symbol search list"));
+
+
+  map->l_searchlist.r_list = &map->l_initfini[nlist + 1];
   map->l_searchlist.r_nlist = nlist;
 
   for (nlist = 0, runp = known; runp; runp = runp->unique)
@@ -507,10 +511,8 @@ _dl_map_object_deps (struct link_map *map,
     }
 
   /* Now determine the order in which the initialization has to happen.  */
-  map->l_initfini =
-    (struct link_map **) memcpy (map->l_searchlist.r_duplist + nduplist,
-				 map->l_searchlist.r_list,
-				 nlist * sizeof (struct link_map *));
+  memcpy (map->l_initfini, map->l_searchlist.r_list,
+	  nlist * sizeof (struct link_map *));
   /* We can skip looking for the binary itself which is at the front
      of the search list.  Look through the list backward so that circular
      dependencies are not changing the order.  */
-- 
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