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/* Copyright (C) 1997, 1998, 2000 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'. Intel 386 version. */
#ifndef _SETJMP_H
# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
#endif
#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
#ifdef _ASM
/* We internally convert all setjmp (buf) calls to sigsetjmp (buf, mask),
so we must shift with the call frame to insert the mask argument. */
# if __BOUNDED_POINTERS__
# define PUSH_SIGNAL_MASK(MASK) \
popl %eax; /* return address */ \
popl %ecx; /* jmp_buf value */ \
popl %edx; /* jmp_buf low bound */ \
pushl 0(%esp); /* jmp_buf high bound */ \
movl $MASK, 4(%esp); \
pushl %edx; \
pushl %ecx; \
pushl %eax
# else
# define PUSH_SIGNAL_MASK(MASK) \
popl %eax; /* return address */ \
popl %ecx; /* jmp_buf */ \
pushl $MASK; \
pushl %ecx; \
pushl %eax
# endif
#else
typedef int __jmp_buf[6];
#endif
/* Test if longjmp to JMPBUF would unwind the frame
containing a local variable at ADDRESS. */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
((void *) (address) < (void *) (jmpbuf)[JB_SP])
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