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Diffstat (limited to 'sysdeps/x86_64/__longjmp.S')
-rw-r--r--sysdeps/x86_64/__longjmp.S27
1 files changed, 12 insertions, 15 deletions
diff --git a/sysdeps/x86_64/__longjmp.S b/sysdeps/x86_64/__longjmp.S
index a68e7a8a4f..9ed480c540 100644
--- a/sysdeps/x86_64/__longjmp.S
+++ b/sysdeps/x86_64/__longjmp.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001,2004,2005,2006 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2004 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
@@ -17,7 +17,9 @@
02111-1307 USA. */
#include <sysdep.h>
-#include <jmpbuf-offsets.h>
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
#include <asm-syntax.h>
/* Jump to the position specified by ENV, causing the
@@ -25,33 +27,28 @@
void __longjmp (__jmp_buf env, int val). */
ENTRY(__longjmp)
/* Restore registers. */
- 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)
- PTR_DEMANGLE (%rdx)
-#endif
/* We add unwind information for the target here. */
cfi_def_cfa(%rdi, 0)
- cfi_register(%rsp,%r8)
- cfi_register(%rbp,%r9)
- cfi_register(%rip,%rdx)
cfi_offset(%rbx,JB_RBX*8)
cfi_offset(%rbp,JB_RBP*8)
cfi_offset(%r12,JB_R12*8)
cfi_offset(%r13,JB_R13*8)
cfi_offset(%r14,JB_R14*8)
cfi_offset(%r15,JB_R15*8)
+ cfi_offset(%rsp,JB_RSP*8)
+ cfi_offset(%rip,JB_PC*8)
movq (JB_RBX*8)(%rdi),%rbx
+ movq (JB_RBP*8)(%rdi),%rbp
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. */
+ test %esi,%esi
+ mov $01,%eax
+ cmove %eax,%esi
mov %esi, %eax
- movq %r8,%rsp
- movq %r9,%rbp
+ movq (JB_PC*8)(%rdi),%rdx
+ movq (JB_RSP*8)(%rdi),%rsp
jmpq *%rdx
END (BP_SYM (__longjmp))