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+/* Copyright (C) 1997, 1998, 2007 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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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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+
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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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+
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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., 51 Franklin Street - Fifth Floor,
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+ Boston, MA 02110-1301, USA. */
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+
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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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+
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+#include <setjmp.h>
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+#include <jmpbuf-offsets.h>
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+
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+#define _JMPBUF_UNWINDS(jmpbuf, address) \
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+ ((void *) (address) < (void *) (jmpbuf)[JB_SP])
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