From 1fef64b22811709b2e640d341237bce1c8081203 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 15 Feb 2005 01:27:10 +0000 Subject: headers for x86_64 --- libc/sysdeps/linux/x86_64/bits/setjmp.h | 78 +++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 libc/sysdeps/linux/x86_64/bits/setjmp.h (limited to 'libc/sysdeps/linux/x86_64/bits/setjmp.h') diff --git a/libc/sysdeps/linux/x86_64/bits/setjmp.h b/libc/sysdeps/linux/x86_64/bits/setjmp.h new file mode 100644 index 000000000..96646efdd --- /dev/null +++ b/libc/sysdeps/linux/x86_64/bits/setjmp.h @@ -0,0 +1,78 @@ +/* Copyright (C) 2001, 2002, 2003 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* Define the machine-dependent type `jmp_buf'. x86-64 version. */ +#ifndef _BITS_SETJMP_H +#define _BITS_SETJMP_H 1 + +#if !defined _SETJMP_H && !defined _PTHREAD_H +# error "Never include directly; use instead." +#endif + +#include + +#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 +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 */ -- cgit v1.2.3