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authorUlrich Drepper <drepper@redhat.com>2000-10-24 19:18:25 +0000
committerUlrich Drepper <drepper@redhat.com>2000-10-24 19:18:25 +0000
commit2e93b4a4cd190fc8d21682f69a5455dc6dcd04dd (patch)
tree827aaf2c600f898f308661d5bbbcd66cc7f7cb63 /elf
parent8edd9172533488545e7e088e0c3bc02f9ef36bee (diff)
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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.
Diffstat (limited to 'elf')
-rw-r--r--elf/dl-close.c23
-rw-r--r--elf/dl-deps.c18
2 files changed, 19 insertions, 22 deletions
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. */