forked from rpms/glibc
46 lines
1.4 KiB
Diff
46 lines
1.4 KiB
Diff
|
commit 4d0985543f479a6f421d4d8a9e0d1dc71c9c2c53
|
||
|
|
Author: Florian Weimer <fweimer@redhat.com>
|
||
|
|
Date: Tue Dec 15 20:56:04 2020 +0100
|
||
|
|
|
||
|
|
elf: Record libc.so link map when it is the main program (bug 20972)
|
||
|
|
|
||
|
|
Otherwise, it will not participate in the dependency sorting.
|
||
|
|
|
||
|
|
Fixes commit 9ffa50b26b0cb5d3043adf6d3d0b1ea735acc147
|
||
|
|
("elf: Include libc.so.6 as main program in dependency sort
|
||
|
|
(bug 20972)").
|
||
|
|
|
||
|
|
Conflicts:
|
||
|
|
elf/rtld.c
|
||
|
|
(Missing backported header include.)
|
||
|
|
|
||
|
|
diff --git a/elf/rtld.c b/elf/rtld.c
|
||
|
|
index fde5a6a4a485207e..992f825ba00762a7 100644
|
||
|
|
--- a/elf/rtld.c
|
||
|
|
+++ b/elf/rtld.c
|
||
|
|
@@ -46,6 +46,7 @@
|
||
|
|
#include <array_length.h>
|
||
|
|
#include <libc-early-init.h>
|
||
|
|
#include <dl-main.h>
|
||
|
|
+#include <gnu/lib-names.h>
|
||
|
|
|
||
|
|
#include <assert.h>
|
||
|
|
|
||
|
|
@@ -1588,6 +1589,16 @@ ERROR: '%s': cannot process note segment.\n", _dl_argv[0]);
|
||
|
|
{
|
||
|
|
/* Extract the contents of the dynamic section for easy access. */
|
||
|
|
elf_get_dynamic_info (main_map, NULL);
|
||
|
|
+
|
||
|
|
+ /* If the main map is libc.so, update the base namespace to
|
||
|
|
+ refer to this map. If libc.so is loaded later, this happens
|
||
|
|
+ in _dl_map_object_from_fd. */
|
||
|
|
+ if (main_map->l_info[DT_SONAME] != NULL
|
||
|
|
+ && (strcmp (((const char *) D_PTR (main_map, l_info[DT_STRTAB])
|
||
|
|
+ + main_map->l_info[DT_SONAME]->d_un.d_val), LIBC_SO)
|
||
|
|
+ == 0))
|
||
|
|
+ GL(dl_ns)[LM_ID_BASE].libc_map = main_map;
|
||
|
|
+
|
||
|
|
/* Set up our cache of pointers into the hash table. */
|
||
|
|
_dl_setup_hash (main_map);
|
||
|
|
}
|