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42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
/* Copyright (C) 2000 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Define the machine-dependent type `jmp_buf'. HPPA version. */
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#ifndef _SETJMP_H
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# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
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#endif
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/* The previous bits/setjmp.h had __jmp_buf defined as a structure.
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We use an array of 'double' instead, to make writing the assembler
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easier, and to ensure proper alignment. Naturally, user code should
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not depend on either representation. */
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#if defined __USE_MISC || defined _ASM
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#define JB_SP (76/4)
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#endif
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#ifndef _ASM
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typedef double __jmp_buf[21];
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#endif
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/* Test if longjmp to JMPBUF would unwind the frame containing a local
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variable at ADDRESS. */
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#define _JMPBUF_UNWINDS(_jmpbuf, _address) \
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((void *)(_address) > (void *)(((unsigned long *) _jmpbuf)[JB_SP]))
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