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Add missing register initialization in x86-64 pthread_cond_timedwait

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Ulrich Drepper 2011-10-29 15:50:01 -04:00
parent cb95113e30
commit c2b18f7a0e
3 changed files with 12 additions and 4 deletions
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2
NEWS
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@ -12,7 +12,7 @@ Version 2.15
6779, 6783, 9696, 10709, 11589, 12403, 12847, 12868, 12852, 12874, 12885,
12892, 12907, 12922, 12935, 13007, 13021, 13067, 13068, 13090, 13092,
13114, 13118, 13123, 13134, 13138, 13150, 13179, 13192, 13268, 13291,
13335, 13337, 13344
13335, 13337, 13344, 13358
* New program pldd to list loaded object of a process
Implemented by Ulrich Drepper.

8
nptl/ChangeLog
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@ -1,3 +1,11 @@
2011-10-29 Ulrich Drepper <drepper@gmail.com>
[BZ #13358]
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
(__pthread_cond_timedwait): Initialize %r15 correctly also for code
path for kernels with FUTEX_CLOCK_REALTIME.
Debugged by H.J. Lu <hjl.tools@gmail.com>.
2011-10-27 Andreas Schwab <schwab@redhat.com>
[BZ #13344]

6
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
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@ -1,4 +1,4 @@
/* Copyright (C) 2002-2005, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
/* Copyright (C) 2002-2005,2007,2009,2010,2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -101,6 +101,8 @@ __pthread_cond_timedwait:
movq %rsi, dep_mutex(%rdi)
22:
xorl %r15d, %r15d
#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
# ifdef PIC
cmpl $0, __have_futex_clock_realtime(%rip)
@ -402,8 +404,6 @@ __pthread_cond_timedwait:
#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
.Lreltmo:
xorl %r15d, %r15d
/* Get internal lock. */
movl $1, %esi
xorl %eax, %eax