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Diffstat (limited to 'libc/sysdeps/linux/x86_64')
-rw-r--r--libc/sysdeps/linux/x86_64/bits/setjmp.h51
1 files changed, 4 insertions, 47 deletions
diff --git a/libc/sysdeps/linux/x86_64/bits/setjmp.h b/libc/sysdeps/linux/x86_64/bits/setjmp.h
index 515d769be..49c842842 100644
--- a/libc/sysdeps/linux/x86_64/bits/setjmp.h
+++ b/libc/sysdeps/linux/x86_64/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2001,2002,2003,2005,2006 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
@@ -18,7 +18,7 @@
/* Define the machine-dependent type `jmp_buf'. x86-64 version. */
#ifndef _BITS_SETJMP_H
-#define _BITS_SETJMP_H 1
+#define _BITS_SETJMP_H 1
#if !defined _SETJMP_H && !defined _PTHREAD_H
# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
@@ -27,52 +27,9 @@
#include <bits/wordsize.h>
#if __WORDSIZE == 64
-
-/* We only need to save callee-saved registers plus stackpointer and
- program counter. */
-# if defined __USE_MISC || defined _ASM
-# define JB_RBX 0
-# define JB_RBP 1
-# define JB_R12 2
-# define JB_R13 3
-# define JB_R14 4
-# define JB_R15 5
-# define JB_RSP 6
-# define JB_PC 7
-# define JB_SIZE (8*8)
-# endif
-
-#else
-
-# if defined __USE_MISC || defined _ASM
-# define JB_BX 0
-# define JB_SI 1
-# define JB_DI 2
-# define JB_BP 3
-# define JB_SP 4
-# define JB_PC 5
-# define JB_SIZE 24
-# endif
-
-#endif
-
-#ifndef _ASM
-
-# if __WORDSIZE == 64
typedef long int __jmp_buf[8];
-# else
+#else
typedef int __jmp_buf[6];
-# endif
-
-/* Test if longjmp to JMPBUF would unwind the frame
- containing a local variable at ADDRESS. */
-# if __WORDSIZE == 64
-# define _JMPBUF_UNWINDS(jmpbuf, address) \
- ((void *) (address) < (void *) (jmpbuf)[JB_RSP])
-# else
-# define _JMPBUF_UNWINDS(jmpbuf, address) \
- ((void *) (address) < (void *) (jmpbuf)[JB_SP])
-# endif
#endif
-#endif /* bits/setjmp.h */
+#endif /* bits/setjmp.h */