glibc/sysdeps/s390/bits/setjmp.h
2000-08-23 09:03:54 +00:00

53 lines
1.6 KiB
C

/* Copyright (C) 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'. IBM s390 version. */
#ifndef __S390_SETJMP_H__
#define __S390_SETJMP_H__
#define __JB_GPR6 0
#define __JB_GPR7 1
#define __JB_GPR8 2
#define __JB_GPR9 3
#define __JB_GPR10 4
#define __JB_GPR11 5
#define __JB_GPR12 6
#define __JB_GPR13 7
#define __JB_GPR14 8
#define __JB_GPR15 9
#ifndef _ASM
typedef struct {
/* We save registers 6-15 */
long int gregs[10];
/* We save fpu registers 4 and 6 */
long long fpregs[2];
} __jmp_buf[1];
#endif
/* Test if longjmp to JMPBUF would unwind the frame
containing a local variable at ADDRESS. */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
((int) (address) < (jmpbuf)->gregs[__JB_GPR15])
#endif /* __S390_SETJMP_H__ */