aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--ChangeLog5
-rw-r--r--elf/dl-close.c74
-rw-r--r--elf/dl-libc.c103
3 files changed, 92 insertions, 90 deletions
diff --git a/ChangeLog b/ChangeLog
index 34af34d..cd48489 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-09-16 Andreas Schwab <schwab@redhat.com>
+
+ * elf/dl-close.c (free_slotinfo, free_mem): Move to...
+ * elf/dl-libc.c (free_slotinfo, free_mem): ... here.
+
2010-09-21 Ulrich Drepper <drepper@redhat.com>
[BZ #12037]
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 286d67c..f6d8dd3 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -748,77 +748,3 @@ _dl_close (void *_map)
__rtld_lock_unlock_recursive (GL(dl_load_lock));
}
-
-
-static bool __libc_freeres_fn_section
-free_slotinfo (struct dtv_slotinfo_list **elemp)
-{
- size_t cnt;
-
- if (*elemp == NULL)
- /* Nothing here, all is removed (or there never was anything). */
- return true;
-
- if (!free_slotinfo (&(*elemp)->next))
- /* We cannot free the entry. */
- return false;
-
- /* That cleared our next pointer for us. */
-
- for (cnt = 0; cnt < (*elemp)->len; ++cnt)
- if ((*elemp)->slotinfo[cnt].map != NULL)
- /* Still used. */
- return false;
-
- /* We can remove the list element. */
- free (*elemp);
- *elemp = NULL;
-
- return true;
-}
-
-
-libc_freeres_fn (free_mem)
-{
- for (Lmid_t nsid = 0; nsid < GL(dl_nns); ++nsid)
- if (__builtin_expect (GL(dl_ns)[nsid]._ns_global_scope_alloc, 0) != 0
- && (GL(dl_ns)[nsid]._ns_main_searchlist->r_nlist
- // XXX Check whether we need NS-specific initial_searchlist
- == GLRO(dl_initial_searchlist).r_nlist))
- {
- /* All object dynamically loaded by the program are unloaded. Free
- the memory allocated for the global scope variable. */
- struct link_map **old = GL(dl_ns)[nsid]._ns_main_searchlist->r_list;
-
- /* Put the old map in. */
- GL(dl_ns)[nsid]._ns_main_searchlist->r_list
- // XXX Check whether we need NS-specific initial_searchlist
- = GLRO(dl_initial_searchlist).r_list;
- /* Signal that the original map is used. */
- GL(dl_ns)[nsid]._ns_global_scope_alloc = 0;
-
- /* Now free the old map. */
- free (old);
- }
-
- if (USE___THREAD || GL(dl_tls_dtv_slotinfo_list) != NULL)
- {
- /* Free the memory allocated for the dtv slotinfo array. We can do
- this only if all modules which used this memory are unloaded. */
-#ifdef SHARED
- if (GL(dl_initial_dtv) == NULL)
- /* There was no initial TLS setup, it was set up later when
- it used the normal malloc. */
- free_slotinfo (&GL(dl_tls_dtv_slotinfo_list));
- else
-#endif
- /* The first element of the list does not have to be deallocated.
- It was allocated in the dynamic linker (i.e., with a different
- malloc), and in the static library it's in .bss space. */
- free_slotinfo (&GL(dl_tls_dtv_slotinfo_list)->next);
- }
-
- void *scope_free_list = GL(dl_scope_free_list);
- GL(dl_scope_free_list) = NULL;
- free (scope_free_list);
-}
diff --git a/elf/dl-libc.c b/elf/dl-libc.c
index 5e303f2..771c9c1 100644
--- a/elf/dl-libc.c
+++ b/elf/dl-libc.c
@@ -1,5 +1,5 @@
/* Handle loading and unloading shared objects for internal libc purposes.
- Copyright (C) 1999-2002,2004,2005,2006,2009 Free Software Foundation, Inc.
+ Copyright (C) 1999-2002,2004-2006,2009,2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Zack Weinberg <zack@rabi.columbia.edu>, 1999.
@@ -221,6 +221,34 @@ __libc_dlclose (void *map)
libc_hidden_def (__libc_dlclose)
+static bool __libc_freeres_fn_section
+free_slotinfo (struct dtv_slotinfo_list **elemp)
+{
+ size_t cnt;
+
+ if (*elemp == NULL)
+ /* Nothing here, all is removed (or there never was anything). */
+ return true;
+
+ if (!free_slotinfo (&(*elemp)->next))
+ /* We cannot free the entry. */
+ return false;
+
+ /* That cleared our next pointer for us. */
+
+ for (cnt = 0; cnt < (*elemp)->len; ++cnt)
+ if ((*elemp)->slotinfo[cnt].map != NULL)
+ /* Still used. */
+ return false;
+
+ /* We can remove the list element. */
+ free (*elemp);
+ *elemp = NULL;
+
+ return true;
+}
+
+
libc_freeres_fn (free_mem)
{
struct link_map *l;
@@ -235,20 +263,63 @@ libc_freeres_fn (free_mem)
free (old);
}
- /* Remove all additional names added to the objects. */
for (Lmid_t ns = 0; ns < GL(dl_nns); ++ns)
- for (l = GL(dl_ns)[ns]._ns_loaded; l != NULL; l = l->l_next)
- {
- struct libname_list *lnp = l->l_libname->next;
-
- l->l_libname->next = NULL;
-
- while (lnp != NULL)
- {
- struct libname_list *old = lnp;
- lnp = lnp->next;
- if (! old->dont_free)
- free (old);
- }
- }
+ {
+ /* Remove all additional names added to the objects. */
+ for (l = GL(dl_ns)[ns]._ns_loaded; l != NULL; l = l->l_next)
+ {
+ struct libname_list *lnp = l->l_libname->next;
+
+ l->l_libname->next = NULL;
+
+ while (lnp != NULL)
+ {
+ struct libname_list *old = lnp;
+ lnp = lnp->next;
+ if (! old->dont_free)
+ free (old);
+ }
+ }
+
+ if (__builtin_expect (GL(dl_ns)[ns]._ns_global_scope_alloc, 0) != 0
+ && (GL(dl_ns)[ns]._ns_main_searchlist->r_nlist
+ // XXX Check whether we need NS-specific initial_searchlist
+ == GLRO(dl_initial_searchlist).r_nlist))
+ {
+ /* All object dynamically loaded by the program are unloaded. Free
+ the memory allocated for the global scope variable. */
+ struct link_map **old = GL(dl_ns)[ns]._ns_main_searchlist->r_list;
+
+ /* Put the old map in. */
+ GL(dl_ns)[ns]._ns_main_searchlist->r_list
+ // XXX Check whether we need NS-specific initial_searchlist
+ = GLRO(dl_initial_searchlist).r_list;
+ /* Signal that the original map is used. */
+ GL(dl_ns)[ns]._ns_global_scope_alloc = 0;
+
+ /* Now free the old map. */
+ free (old);
+ }
+ }
+
+ if (USE___THREAD || GL(dl_tls_dtv_slotinfo_list) != NULL)
+ {
+ /* Free the memory allocated for the dtv slotinfo array. We can do
+ this only if all modules which used this memory are unloaded. */
+#ifdef SHARED
+ if (GL(dl_initial_dtv) == NULL)
+ /* There was no initial TLS setup, it was set up later when
+ it used the normal malloc. */
+ free_slotinfo (&GL(dl_tls_dtv_slotinfo_list));
+ else
+#endif
+ /* The first element of the list does not have to be deallocated.
+ It was allocated in the dynamic linker (i.e., with a different
+ malloc), and in the static library it's in .bss space. */
+ free_slotinfo (&GL(dl_tls_dtv_slotinfo_list)->next);
+ }
+
+ void *scope_free_list = GL(dl_scope_free_list);
+ GL(dl_scope_free_list) = NULL;
+ free (scope_free_list);
}
generated by cgit v1.1 at 2024-11-17 21:33:06 +0000