You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
2.9 KiB
92 lines
2.9 KiB
9 months ago
|
Short description: Cleanup use of _dl_starting_up.
|
||
|
|
Author(s): Fedora glibc team <glibc@lists.fedoraproject.org>
|
||
|
|
Origin: PATCH
|
||
|
|
Upstream status: https://sourceware.org/ml/libc-alpha/2014-02/msg00589.html
|
||
|
|
|
||
|
|
Upstream discussions:
|
||
|
|
https://sourceware.org/ml/libc-alpha/2014-02/msg00580.html
|
||
|
|
|
||
|
|
Based on the following commit:
|
||
|
|
~~~
|
||
|
|
From 16552c01a66633c9e412984d9d92616bd4e5303c Mon Sep 17 00:00:00 2001
|
||
|
|
From: Andreas Schwab <schwab@redhat.com>
|
||
|
|
Date: Fri, 11 Jun 2010 11:04:11 +0200
|
||
|
|
Subject: [PATCH] Properly set __libc_multiple_libcs
|
||
|
|
|
||
|
|
* elf/rtld.c (_dl_starting_up): Always define.
|
||
|
|
(dl_main): Always set _dl_starting_up.
|
||
|
|
* elf/dl-support.c (_dl_starting_up): Always define.
|
||
|
|
* elf/dl-init.c (_dl_init): Always clear _dl_starting_up.
|
||
|
|
|
||
|
|
---
|
||
|
|
ChangeLog | 7 +++++++
|
||
|
|
elf/dl-init.c | 4 ----
|
||
|
|
elf/dl-support.c | 2 --
|
||
|
|
elf/rtld.c | 4 ----
|
||
|
|
4 files changed, 7 insertions(+), 10 deletions(-)
|
||
|
|
~~~
|
||
|
|
|
||
|
|
This patch needs to go upstream to get cleaned up, but has always involed
|
||
|
|
analysis of the GNU/Hurd parts of the change and that stalled out, but
|
||
|
|
perhaps with build-many-glibcs we can now test these changes more easily.
|
||
|
|
|
||
|
|
Index: b/elf/dl-init.c
|
||
|
|
===================================================================
|
||
|
|
--- a/elf/dl-init.c
|
||
|
|
+++ b/elf/dl-init.c
|
||
|
|
@@ -119,8 +119,6 @@ _dl_init (struct link_map *main_map, int
|
||
|
|
while (i-- > 0)
|
||
|
|
call_init (main_map->l_initfini[i], argc, argv, env);
|
||
|
|
|
||
|
|
-#ifndef HAVE_INLINED_SYSCALLS
|
||
|
|
/* Finished starting up. */
|
||
|
|
_dl_starting_up = 0;
|
||
|
|
-#endif
|
||
|
|
}
|
||
|
|
Index: b/elf/dl-support.c
|
||
|
|
===================================================================
|
||
|
|
--- a/elf/dl-support.c
|
||
|
|
+++ b/elf/dl-support.c
|
||
|
|
@@ -117,10 +117,8 @@ struct r_scope_elem _dl_initial_searchli
|
||
|
|
.r_nlist = 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
-#ifndef HAVE_INLINED_SYSCALLS
|
||
|
|
/* Nonzero during startup. */
|
||
|
|
int _dl_starting_up = 1;
|
||
|
|
-#endif
|
||
|
|
|
||
|
|
/* Random data provided by the kernel. */
|
||
|
|
void *_dl_random;
|
||
|
|
Index: b/elf/rtld.c
|
||
|
|
===================================================================
|
||
|
|
--- a/elf/rtld.c
|
||
|
|
+++ b/elf/rtld.c
|
||
|
|
@@ -214,7 +214,6 @@ audit_list_iter_next (struct audit_list_
|
||
|
|
return iter->previous->name;
|
||
|
|
}
|
||
|
|
|
||
|
|
-#ifndef HAVE_INLINED_SYSCALLS
|
||
|
|
/* Set nonzero during loading and initialization of executable and
|
||
|
|
libraries, cleared before the executable's entry point runs. This
|
||
|
|
must not be initialized to nonzero, because the unused dynamic
|
||
|
|
@@ -224,7 +223,6 @@ audit_list_iter_next (struct audit_list_
|
||
|
|
never be called. */
|
||
|
|
int _dl_starting_up = 0;
|
||
|
|
rtld_hidden_def (_dl_starting_up)
|
||
|
|
-#endif
|
||
|
|
|
||
|
|
/* This is the structure which defines all variables global to ld.so
|
||
|
|
(except those which cannot be added for some reason). */
|
||
|
|
@@ -898,10 +896,8 @@ dl_main (const ElfW(Phdr) *phdr,
|
||
|
|
/* Process the environment variable which control the behaviour. */
|
||
|
|
process_envvars (&mode);
|
||
|
|
|
||
|
|
-#ifndef HAVE_INLINED_SYSCALLS
|
||
|
|
/* Set up a flag which tells we are just starting. */
|
||
|
|
_dl_starting_up = 1;
|
||
|
|
-#endif
|
||
|
|
|
||
|
|
if (*user_entry == (ElfW(Addr)) ENTRY_POINT)
|
||
|
|
{
|