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Fix stack alignment on x86_64

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This commit is contained in:
Andreas Schwab
2011-08-09 10:07:10 -04:00
committed by Ulrich Drepper
parent c55fbd1ea7
commit a724d1b9bf
4 changed files with 16 additions and 7 deletions
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7
nptl/ChangeLog
View File

@@ -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

6
nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S
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@@ -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

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 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)

4
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
View File

@@ -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)