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authorChung-Lin Tang <cltang@codesourcery.com>2010-09-08 15:49:50 -0700
committerPetr Baudis <pasky@suse.cz>2010-11-09 02:14:32 +0100
commite6ff4b8b261116ccf2867bc91891ad8f3f33ea24 (patch)
tree40691d08feaa0f986216d6d3ffed392322cb1da4 /sysdeps
parent254fea5e8ff6b6823858dc5404e5e68a621d5a60 (diff)
downloadglibc-e6ff4b8b261116ccf2867bc91891ad8f3f33ea24.tar.gz
Fix _FORITY_SOURCE version of longjmp for Linux/x86-64.
(cherry picked from commit c044aa75354b48d4b7aaffe465706282192e54c2)
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S26
1 files changed, 15 insertions, 11 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S b/sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S
index 5e11540fd4..da35115b9f 100644
--- a/sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S
+++ b/sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001,2004,2005,2006,2009 Free Software Foundation, Inc.
+/* Copyright (C) 2001,2004,2005,2006,2009,2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -49,9 +49,9 @@ longjmp_msg:
.text
ENTRY(____longjmp_chk)
/* Restore registers. */
- movq (JB_RSP*8)(%rdi),%r8
- movq (JB_RBP*8)(%rdi),%r9
- movq (JB_PC*8)(%rdi),%rdx
+ movq (JB_RSP*8)(%rdi), %r8
+ movq (JB_RBP*8)(%rdi), %r9
+ movq (JB_PC*8)(%rdi), %rdx
#ifdef PTR_DEMANGLE
PTR_DEMANGLE (%r8)
PTR_DEMANGLE (%r9)
@@ -63,7 +63,9 @@ ENTRY(____longjmp_chk)
/* Save function parameters. */
movq %rdi, %r10
- movl %esi, %ecx
+ cfi_register (%rdi, %r10)
+ movl %esi, %ebx
+ cfi_register (%rsi, %rbx)
xorl %edi, %edi
leaq -24(%rsp), %rsi
@@ -84,7 +86,9 @@ ENTRY(____longjmp_chk)
.Lfail: CALL_FAIL
.Lok2: movq %r10, %rdi
- movl %ecx, %esi
+ cfi_restore (%rdi)
+ movl %ebx, %esi
+ cfi_restore (%rsi)
.Lok: /* We add unwind information for the target here. */
cfi_def_cfa(%rdi, 0)
@@ -96,11 +100,11 @@ ENTRY(____longjmp_chk)
cfi_offset(%r13,JB_R13*8)
cfi_offset(%r14,JB_R14*8)
cfi_offset(%r15,JB_R15*8)
- movq (JB_RBX*8)(%rdi),%rbx
- movq (JB_R12*8)(%rdi),%r12
- movq (JB_R13*8)(%rdi),%r13
- movq (JB_R14*8)(%rdi),%r14
- movq (JB_R15*8)(%rdi),%r15
+ movq (JB_RBX*8)(%rdi), %rbx
+ movq (JB_R12*8)(%rdi), %r12
+ movq (JB_R13*8)(%rdi), %r13
+ movq (JB_R14*8)(%rdi), %r14
+ movq (JB_R15*8)(%rdi), %r15
/* Set return value for setjmp. */
movl %esi, %eax
movq %r8,%rsp