NetBSD/sys/arch/amd64/include/signal.h
agc aad01611e7 Move UCB-licensed code from 4-clause to 3-clause licence.
Patches provided by Joel Baker in PR 22364, verified by myself.
2003-08-07 16:26:28 +00:00

87 lines
3.1 KiB
C

/* $NetBSD: signal.h,v 1.3 2003/08/07 16:26:36 agc Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)signal.h 7.16 (Berkeley) 3/17/91
*/
#ifndef _AMD64_SIGNAL_H_
#define _AMD64_SIGNAL_H_
#include <sys/featuretest.h>
typedef int sig_atomic_t;
#if defined(_NETBSD_SOURCE)
/*
* Get the "code" values
*/
#include <machine/trap.h>
#include <machine/fpu.h>
#include <machine/mcontext.h>
/*
* Information pushed on stack when a signal is delivered.
* This is used by the kernel to restore state following
* execution of the signal handler. It is also made available
* to the handler to allow it to restore state properly if
* a non-standard exit is performed.
*/
struct sigcontext {
struct fxsave64 *sc_fpstate;
u_int64_t sc_onstack;
sigset_t sc_mask;
mcontext_t sc_mcontext;
};
#define _MCONTEXT_TO_SIGCONTEXT(uc, sc) \
do { \
memcpy(&(sc)->sc_mcontext.__gregs, &(uc)->uc_mcontext.__gregs, \
sizeof ((uc)->uc_mcontext.__gregs)); \
if ((uc)->uc_flags & _UC_FPU) { \
memcpy(&(sc)->sc_mcontext.__fpregs, \
&(uc)->uc_mcontext.__fpregs, \
sizeof ((uc)->uc_mcontext.__fpregs)); \
} \
} while (/*CONSTCOND*/0)
#define _SIGCONTEXT_TO_MCONTEXT(sc, uc) \
do { \
memcpy(&(uc)->uc_mcontext.__gregs, &(sc)->sc_mcontext.__gregs, \
sizeof ((uc)->uc_mcontext.__gregs)); \
if ((uc)->uc_flags & _UC_FPU) { \
memcpy(&(uc)->uc_mcontext.__fpregs, \
&(sc)->sc_mcontext.__fpregs, \
sizeof ((uc)->uc_mcontext.__fpregs)); \
} \
} while (/*CONSTCOND*/0)
#endif /* _NETBSD_SOURCE */
#endif /* !_AMD64_SIGNAL_H_ */