mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-17 10:30:20 +00:00
ebcd12d4f1
1998-05-07 Ulrich Drepper <drepper@cygnus.com> * sysdeps/powerpc/bits/setjmp.h (_JMPBUF_UNWINDS): Define. Patch by Matt McLean <keys@brio.yikes.com>.
47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
/* 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'. 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
|
|
# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total */
|
|
# define JB_UNUSED 21 /* it's sometimes faster to store doubles word-aligned */
|
|
# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total */
|
|
#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])
|