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GNU C Library master sources branch master updated. glibc-2.23-404-g3904414
- From: sthibaul at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 29 May 2016 23:24:37 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.23-404-g3904414
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=3904414a3008751ffcaf18fbe33bd34812b7bfe5
commit 3904414a3008751ffcaf18fbe33bd34812b7bfe5
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Mon May 30 01:24:09 2016 +0200
hurd: fix _hurd_self_sigstate reference from ____longjmp_chk
* sysdeps/mach/hurd/i386/____longjmp_chk.S (____longjmp_chk) [PIC]:
Use PLT entry for calling _hurd_self_sigstate.
diff --git a/ChangeLog b/ChangeLog
index 1e11464..3eee1b2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-30 Samuel Thibault <samuel.thibault@ens-lyon.org>
+
+ * sysdeps/mach/hurd/i386/____longjmp_chk.S (____longjmp_chk) [PIC]:
+ Use PLT entry for calling _hurd_self_sigstate.
+
2016-05-27 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86/cacheinfo.c (init_cacheinfo): Count number of
diff --git a/sysdeps/mach/hurd/i386/____longjmp_chk.S b/sysdeps/mach/hurd/i386/____longjmp_chk.S
index 4ddf6cd..dec8ea7 100644
--- a/sysdeps/mach/hurd/i386/____longjmp_chk.S
+++ b/sysdeps/mach/hurd/i386/____longjmp_chk.S
@@ -66,7 +66,12 @@ ENTRY (____longjmp_chk)
/* TODO: need locking? */
/* struct hurd_sigstate * _hurd_self_sigstate (void) */
- call _hurd_self_sigstate
+#ifdef PIC
+ call 1f
+1: popl %ebx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
+#endif
+ call JUMPTARGET(_hurd_self_sigstate)
/* TODO: %eax and %eax->sigaltstack are always valid? */
testl $SS_ONSTACK, (HURD_SIGSTATE__SIGALTSTACK__OFFSET + SIGALTSTACK__SS_FLAGS__OFFSET)(%eax)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/mach/hurd/i386/____longjmp_chk.S | 7 ++++++-
2 files changed, 11 insertions(+), 1 deletions(-)
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