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/* Copyright (C) 1997, 1998 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. */
/* Define the machine-dependent type `jmp_buf'. m68k version. */
#ifndef _SETJMP_H
# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
#endif
#include <signal.h>
typedef struct
{
/* There are eight 4-byte data registers, but D0 is not saved. */
long int __dregs[7];
/* There are six 4-byte address registers, plus the FP and SP. */
int *__aregs[6];
int *__fp;
int *__sp;
#if defined __HAVE_68881__ || defined __HAVE_FPU__
/* There are eight floating point registers which
are saved in IEEE 96-bit extended format. */
char __fpregs[8 * (96 / 8)];
#endif
} __jmp_buf[1];
/* Test if longjmp to JMPBUF would unwind the frame
containing a local variable at ADDRESS. */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
((void *) (address) < (void *) (jmpbuf)->__sp)
/* Simple version of sigsetjmp and siglongjmp */
extern int __setjmp(__jmp_buf __buf);
extern int __longjmp(__jmp_buf __buf, int __val);
#define longjmp(buf, val) __longjmp(buf, val)
#define __sigsetjmp(env, savesigs) ((env)->__mask_was_saved = (savesigs), \
sigprocmask(SIG_SETMASK, 0, &(env)->__saved_mask), \
__setjmp((env)->__jmpbuf))
#define siglongjmp(env, val) (((env)->__mask_was_saved ? \
sigprocmask(SIG_SETMASK, &(env)->__saved_mask, 0) : 0), \
__longjmp((env)->__jmpbuf, val))
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