48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
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/* Copyright (C) 2001 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'. x86-64 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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/* We only need to save callee-saved registers plus stackpointer and
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program counter. */
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#if defined __USE_MISC || defined _ASM
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# define JB_RBX 0
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# define JB_RBP 1
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# define JB_R12 2
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# define JB_R13 3
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# define JB_R14 4
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# define JB_R15 5
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# define JB_RSP 6
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# define JB_PC 7
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# define JB_SIZE (8*8)
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#endif
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#ifndef _ASM
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typedef long int __jmp_buf[8];
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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)[JB_RSP])
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#endif
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