uclibc-ng/libc/sysdeps/linux/sparc/bits/setjmp.h

/* Copyright (C) 1997,1999 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 Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */


#ifndef _SETJMP_H
# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
#endif

#include <bits/wordsize.h>

#if __WORDSIZE == 64

#include <sys/ucontext.h>

typedef ucontext_t __jmp_buf[1];

/* Test if longjmp to JMPBUF would unwind the frame
   containing a local variable at ADDRESS.  */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
  ((unsigned long int) (address) < (jmpbuf)->uc_mcontext.mc_fp)

#else

#if defined __USE_MISC || defined _ASM
# define JB_SP  0
# define JB_FP  1
# define JB_PC  2
#endif

#ifndef _ASM
typedef int __jmp_buf[3];
#endif

/* Test if longjmp to JMPBUF would unwind the frame
   containing a local variable at ADDRESS.  */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
  ((int) (address) < (jmpbuf)[JB_SP])

#endif