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Fix _FORITY_SOURCE version of longjmp for Linux/x86-64.

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Chung-Lin Tang
2010-09-08 15:49:50 -07:00
committed by Ulrich Drepper
parent 389f72a5da
commit c044aa7535
2 changed files with 23 additions and 11 deletions
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8
ChangeLog
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@@ -1,3 +1,11 @@
2010-09-08 Chung-Lin Tang <cltang@codesourcery.com>
Ulrich Drepper <drepper@redhat.com>
[BZ #11968]
* sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S
(____longjmp_chk): Use %ebx for saving value across system call.
Add unwind info.
2010-09-06 Andreas Schwab <schwab@redhat.com> 2010-09-06 Andreas Schwab <schwab@redhat.com>
* manual/Makefile: Don't mix pattern rules with normal rules. * manual/Makefile: Don't mix pattern rules with normal rules.

10
sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S
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@@ -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. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@@ -63,7 +63,9 @@ ENTRY(____longjmp_chk)
/* Save function parameters. */ /* Save function parameters. */
movq %rdi, %r10 movq %rdi, %r10
movl %esi, %ecx cfi_register (%rdi, %r10)
movl %esi, %ebx
cfi_register (%rsi, %rbx)
xorl %edi, %edi xorl %edi, %edi
leaq -24(%rsp), %rsi leaq -24(%rsp), %rsi
@@ -84,7 +86,9 @@ ENTRY(____longjmp_chk)
.Lfail: CALL_FAIL .Lfail: CALL_FAIL
.Lok2: movq %r10, %rdi .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. */ .Lok: /* We add unwind information for the target here. */
cfi_def_cfa(%rdi, 0) cfi_def_cfa(%rdi, 0)