73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
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/*-
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* Copyright (c) 1999 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _X86_SIGFRAME_H_
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#define _X86_SIGFRAME_H_
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/*
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* Signal frames, arguments passed to application signal handlers.
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*/
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#ifdef __i386__
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struct sigframe {
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/*
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* The first four members may be used by applications.
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*
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* NOTE: The 4th argument is undocumented, ill commented
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* on and seems to be somewhat BSD "standard". Handlers
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* installed with sigvec may be using it.
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*/
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register_t sf_signum;
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register_t sf_siginfo; /* code or pointer to sf_si */
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register_t sf_ucontext; /* points to sf_uc */
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register_t sf_addr; /* undocumented 4th arg */
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union {
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__siginfohandler_t *sf_action;
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__sighandler_t *sf_handler;
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} sf_ahu;
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ucontext_t sf_uc; /* = *sf_ucontext */
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siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case) */
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};
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#endif /* __i386__ */
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#ifdef __amd64__
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struct sigframe {
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union {
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__siginfohandler_t *sf_action;
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__sighandler_t *sf_handler;
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} sf_ahu;
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ucontext_t sf_uc; /* = *sf_ucontext */
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siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case) */
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};
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#endif /* __amd64__ */
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#endif /* _X86_SIGFRAME_H_ */
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