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GNU C Library master sources branch, master, updated. glibc-2.14-154-ga724d1b


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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=a724d1b9bfa0f6ee9146b365e43ea6e245d0cf0c

commit a724d1b9bfa0f6ee9146b365e43ea6e245d0cf0c
Author: Andreas Schwab <schwab@redhat.com>
Date:   Tue Aug 9 10:07:10 2011 -0400

    Fix stack alignment on x86_64

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 5920800..1dc5f20 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,10 @@
+2011-08-08  Andreas Schwab  <schwab@redhat.com>
+
+	* sysdeps/unix/sysv/linux/x86_64/cancellation.S: Maintain aligned
+	stack.
+	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise.
+	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Likewise.
+
 2011-07-22  Ulrich Drepper  <drepper@gmail.com>
 
 	* sysdeps/pthread/unwind-forcedunwind.c (_Unwind_Resume): Add read
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S b/nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S
index 6806962..a06cd9b 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2009, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2009.
 
@@ -71,7 +71,9 @@ ENTRY(__pthread_enable_asynccancel)
 
 1:	ret
 
-3:	movq	$TCB_PTHREAD_CANCELED, %fs:RESULT
+3:	subq	$8, %rsp
+	cfi_adjust_cfa_offset(8)
+	movq	$TCB_PTHREAD_CANCELED, %fs:RESULT
 	lock
 	orl	$TCB_EXITING_BITMASK, %fs:CANCELHANDLING
 	movq	%fs:CLEANUP_JMP_BUF, %rdi
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
index e6535fb..48ea8b9 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2005, 2007, 2009, 2010 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.
 
@@ -63,9 +63,9 @@ __pthread_cond_timedwait:
 	cfi_adjust_cfa_offset(8)
 	cfi_rel_offset(%r15, 0)
 #ifdef __ASSUME_FUTEX_CLOCK_REALTIME
-# define FRAME_SIZE 32
+# define FRAME_SIZE (32+8)
 #else
-# define FRAME_SIZE 48
+# define FRAME_SIZE (48+8)
 #endif
 	subq	$FRAME_SIZE, %rsp
 	cfi_adjust_cfa_offset(FRAME_SIZE)
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
index f5b929e..7535baa 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2007, 2009, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -45,7 +45,7 @@ __pthread_cond_wait:
 	cfi_lsda(DW_EH_PE_udata4, .LexceptSTART)
 #endif
 
-#define FRAME_SIZE 32
+#define FRAME_SIZE (32+8)
 	leaq	-FRAME_SIZE(%rsp), %rsp
 	cfi_adjust_cfa_offset(FRAME_SIZE)
 

-----------------------------------------------------------------------

Summary of changes:
 nptl/ChangeLog                                     |    7 +++++++
 nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S |    6 ++++--
 .../sysv/linux/x86_64/pthread_cond_timedwait.S     |    6 +++---
 .../unix/sysv/linux/x86_64/pthread_cond_wait.S     |    4 ++--
 4 files changed, 16 insertions(+), 7 deletions(-)


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