diff options
Diffstat (limited to 'libc/sysdeps/linux/x86_64/bits')
-rw-r--r-- | libc/sysdeps/linux/x86_64/bits/setjmp.h | 51 |
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 */ |