glibc/sysdeps/sh/bits/setjmp.h

57 lines
1.7 KiB
C

/* Copyright (C) 1999, 2000, 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'. SH version. */
#ifndef _BITS_SETJMP_H
#define _BITS_SETJMP_H 1
#if !defined _SETJMP_H && !defined _PTHREAD_H
# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
#endif
#ifndef _ASM
typedef struct
{
/* Callee-saved registers r8 through r15. */
int __regs[8];
/* Program counter. */
void * __pc;
/* The global pointer. */
void * __gbr;
/* Floating point status register. */
int __fpscr;
/* Callee-saved floating point registers fr12 through fr15. */
int __fpregs[4];
} __jmp_buf[1];
#endif
#if defined __USE_MISC || defined _ASM
# define JB_SIZE (4 * 15)
#endif
/* Test if longjmp to JMPBUF would unwind the frame
containing a local variable at ADDRESS. */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
((void *) (address) < &(jmpbuf)[0].__regs[7])
#endif /* bits/setjmp.h */