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/* Copyright (C) 1997, 1998, 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. */
/* Define the machine-dependent type `jmp_buf'. PowerPC version. */
#ifndef _SETJMP_H
# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
#endif
/* The previous bits/setjmp.h had __jmp_buf defined as a structure.
We use an array of 'long int' instead, to make writing the
assembler easier. Naturally, user code should not depend on
either representation. */
#if defined __USE_MISC || defined _ASM
# define JB_GPR1 0 /* Also known as the stack pointer */
# define JB_GPR2 1
# define JB_LR 2 /* The address we will return to */
# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total */
# define JB_CR 21 /* Condition code registers. */
# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total */
#endif
#ifndef _ASM
typedef long int __jmp_buf[64];
#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_GPR1])
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