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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/i386/bsd-setjmp.S
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/i386/bsd-setjmp.S')
-rw-r--r--sysdeps/i386/bsd-setjmp.S20
1 files changed, 16 insertions, 4 deletions
diff --git a/sysdeps/i386/bsd-setjmp.S b/sysdeps/i386/bsd-setjmp.S
index ea242d1f96..c9af0e1477 100644
--- a/sysdeps/i386/bsd-setjmp.S
+++ b/sysdeps/i386/bsd-setjmp.S
@@ -1,5 +1,5 @@
/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. i386 version.
- Copyright (C) 1994,1995,1996,1997,2000,2001 Free Software Foundation, Inc.
+ Copyright (C) 1994-1997,2000,2001,2005, 2006 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
@@ -22,12 +22,14 @@
in setjmp doesn't clobber the state restored by longjmp. */
#include <sysdep.h>
-#define _ASM
-#define _SETJMP_H
-#include <bits/setjmp.h>
+#include <jmpbuf-offsets.h>
#include "bp-sym.h"
#include "bp-asm.h"
+#define PARMS LINKAGE /* no space for saved regs */
+#define JMPBUF PARMS
+#define SIGMSK JMPBUF+PTR_SIZE
+
ENTRY (BP_SYM (setjmp))
/* Note that we have to use a non-exported symbol in the next
jump since otherwise gas will emit it as a jump through the
@@ -42,17 +44,27 @@ ENTRY (BP_SYM (setjmp))
movl %esi, (JB_SI*4)(%eax)
movl %edi, (JB_DI*4)(%eax)
leal JMPBUF(%esp), %ecx /* Save SP as it will be after we return. */
+#ifdef PTR_MANGLE
+ PTR_MANGLE (%ecx)
+#endif
movl %ecx, (JB_SP*4)(%eax)
movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */
+#ifdef PTR_MANGLE
+ PTR_MANGLE (%ecx)
+#endif
movl %ecx, (JB_PC*4)(%eax)
LEAVE /* pop frame pointer to prepare for tail-call. */
movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer. */
/* Call __sigjmp_save. */
pushl $1
+ cfi_adjust_cfa_offset (4)
pushl 8(%esp)
+ cfi_adjust_cfa_offset (4)
call BP_SYM (__sigjmp_save)
popl %ecx
+ cfi_adjust_cfa_offset (-4)
popl %edx
+ cfi_adjust_cfa_offset (-4)
ret
END (BP_SYM (setjmp))