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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'. 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 */
- # define JB_SIZE (58*4)
- #endif
- #ifndef _ASM
- typedef long int __jmp_buf[58];
- #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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