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60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/* Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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/* Define the machine-dependent type `jmp_buf'. IBM s390 version. */
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#ifndef __S390_SETJMP_H__
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#define __S390_SETJMP_H__
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#include <bits/wordsize.h>
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#define __JB_GPR6 0
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#define __JB_GPR7 1
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#define __JB_GPR8 2
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#define __JB_GPR9 3
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#define __JB_GPR10 4
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#define __JB_GPR11 5
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#define __JB_GPR12 6
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#define __JB_GPR13 7
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#define __JB_GPR14 8
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#define __JB_GPR15 9
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#ifndef _ASM
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typedef struct {
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/* We save registers 6-15. */
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long int __gregs[10];
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#if __WORDSIZE == 64
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/* We save fpu registers 1, 3, 5 and 7. */
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long __fpregs[8];
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#else
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/* We save fpu registers 4 and 6. */
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long __fpregs[4];
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#endif
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} __jmp_buf[1];
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#endif
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/* Test if longjmp to JMPBUF would unwind the frame
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containing a local variable at ADDRESS. */
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#define _JMPBUF_UNWINDS(jmpbuf, address) \
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((void *) (address) < (void *) (jmpbuf)->__gregs[__JB_GPR15])
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#endif /* __S390_SETJMP_H__ */
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