mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-31 05:54:26 -04:00
3e2f578353
It's the eglibc packaging with a bit of spit-polishing. And testing. :-) [blogic: merged glibc and eglibc into 1 and made eglibc a glibc variant] Signed-off-by: Jeff Waugh <jdub@bethesignal.org> Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 44701
111 lines
3.7 KiB
Diff
111 lines
3.7 KiB
Diff
partially revert commit 4bff6e0175ed195871f4e01cc4c4c33274b8f6e3 - caused segmentation faults in dlopen
|
|
|
|
References:
|
|
http://comments.gmane.org/gmane.comp.lib.glibc.user/1227
|
|
http://sourceware.org/ml/libc-alpha/2011-06/msg00006.html
|
|
|
|
diff --git a/libc/elf/dl-close.c b/libc/elf/dl-close.c
|
|
index 4b17bf8..733cc1b 100644
|
|
--- a/libc/elf/dl-close.c
|
|
+++ b/libc/elf/dl-close.c
|
|
@@ -119,17 +119,8 @@ _dl_close_worker (struct link_map *map)
|
|
if (map->l_direct_opencount > 0 || map->l_type != lt_loaded
|
|
|| dl_close_state != not_pending)
|
|
{
|
|
- if (map->l_direct_opencount == 0)
|
|
- {
|
|
- if (map->l_type == lt_loaded)
|
|
- dl_close_state = rerun;
|
|
- else if (map->l_type == lt_library)
|
|
- {
|
|
- struct link_map **oldp = map->l_initfini;
|
|
- map->l_initfini = map->l_orig_initfini;
|
|
- _dl_scope_free (oldp);
|
|
- }
|
|
- }
|
|
+ if (map->l_direct_opencount == 0 && map->l_type == lt_loaded)
|
|
+ dl_close_state = rerun;
|
|
|
|
/* There are still references to this object. Do nothing more. */
|
|
if (__builtin_expect (GLRO_dl_debug_mask & DL_DEBUG_FILES, 0))
|
|
diff --git a/libc/elf/dl-deps.c b/libc/elf/dl-deps.c
|
|
index 51cb2fa..eddcbf0 100644
|
|
--- a/libc/elf/dl-deps.c
|
|
+++ b/libc/elf/dl-deps.c
|
|
@@ -489,6 +489,7 @@ _dl_map_object_deps (struct link_map *map,
|
|
nneeded * sizeof needed[0]);
|
|
atomic_write_barrier ();
|
|
l->l_initfini = l_initfini;
|
|
+ l->l_free_initfini = 1;
|
|
}
|
|
|
|
/* If we have no auxiliary objects just go on to the next map. */
|
|
@@ -689,6 +690,7 @@ Filters not supported with LD_TRACE_PRELINKING"));
|
|
l_initfini[nlist] = NULL;
|
|
atomic_write_barrier ();
|
|
map->l_initfini = l_initfini;
|
|
+ map->l_free_initfini = 1;
|
|
if (l_reldeps != NULL)
|
|
{
|
|
atomic_write_barrier ();
|
|
@@ -697,7 +699,7 @@ Filters not supported with LD_TRACE_PRELINKING"));
|
|
_dl_scope_free (old_l_reldeps);
|
|
}
|
|
if (old_l_initfini != NULL)
|
|
- map->l_orig_initfini = old_l_initfini;
|
|
+ _dl_scope_free (old_l_initfini);
|
|
|
|
if (errno_reason)
|
|
_dl_signal_error (errno_reason == -1 ? 0 : errno_reason, objname,
|
|
diff --git a/libc/elf/dl-libc.c b/libc/elf/dl-libc.c
|
|
index f44fa10..7563093 100644
|
|
--- a/libc/elf/dl-libc.c
|
|
+++ b/libc/elf/dl-libc.c
|
|
@@ -284,6 +284,10 @@ libc_freeres_fn (free_mem)
|
|
if (! old->dont_free)
|
|
free (old);
|
|
}
|
|
+
|
|
+ /* Free the initfini dependency list. */
|
|
+ if (l->l_free_initfini)
|
|
+ free (l->l_initfini);
|
|
}
|
|
|
|
if (__builtin_expect (GL(dl_ns)[ns]._ns_global_scope_alloc, 0) != 0
|
|
diff --git a/libc/elf/rtld.c b/libc/elf/rtld.c
|
|
index b93a01f..2fc83ce 100644
|
|
--- a/libc/elf/rtld.c
|
|
+++ b/libc/elf/rtld.c
|
|
@@ -2277,6 +2277,7 @@ ERROR: ld.so: object '%s' cannot be loaded as audit interface: %s; ignored.\n",
|
|
lnp->dont_free = 1;
|
|
lnp = lnp->next;
|
|
}
|
|
+ l->l_free_initfini = 0;
|
|
|
|
if (l != &GL(dl_rtld_map))
|
|
_dl_relocate_object (l, l->l_scope, GLRO(dl_lazy) ? RTLD_LAZY : 0,
|
|
diff --git a/libc/include/link.h b/libc/include/link.h
|
|
index e877104..b1b4065 100644
|
|
--- a/libc/include/link.h
|
|
+++ b/libc/include/link.h
|
|
@@ -192,6 +192,9 @@ struct link_map
|
|
during LD_TRACE_PRELINKING=1
|
|
contains any DT_SYMBOLIC
|
|
libraries. */
|
|
+ unsigned int l_free_initfini:1; /* Nonzero if l_initfini can be
|
|
+ freed, ie. not allocated with
|
|
+ the dummy malloc in ld.so. */
|
|
|
|
/* Collected information about own RPATH directories. */
|
|
struct r_search_path_struct l_rpath_dirs;
|
|
@@ -240,9 +243,6 @@ struct link_map
|
|
|
|
/* List of object in order of the init and fini calls. */
|
|
struct link_map **l_initfini;
|
|
- /* The init and fini list generated at startup, saved when the
|
|
- object is also loaded dynamically. */
|
|
- struct link_map **l_orig_initfini;
|
|
|
|
/* List of the dependencies introduced through symbol binding. */
|
|
struct link_map_reldeps
|