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/* $OpenBSD: signal.h,v 1.11 2013/04/01 17:18:20 deraadt Exp $ */
/* $NetBSD: signal.h,v 1.4 1996/02/01 22:32:35 mycroft Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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 8.1 (Berkeley) 6/11/93
*/
#ifndef _MACHINE_SIGNAL_H_
#define _MACHINE_SIGNAL_H_
#ifndef _LOCORE
#include <sys/cdefs.h>
typedef int sig_atomic_t;
#if __BSD_VISIBLE || __XPG_VISIBLE >= 420
/*
* 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 {
int __sc_unused;
int sc_mask; /* signal mask to restore */
/* begin machine dependent portion */
int sc_sp; /* %sp to restore */
int sc_pc; /* pc to restore */
int sc_npc; /* npc to restore */
int sc_psr; /* psr to restore */
int sc_g1; /* %g1 to restore */
int sc_o0; /* %o0 to restore */
};
#endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
#else /* _LOCORE */
#define SC_SP_OFFSET 8
#define SC_PC_OFFSET 12
#define SC_NPC_OFFSET 16
#define SC_PSR_OFFSET 20
#define SC_G1_OFFSET 24
#define SC_O0_OFFSET 28
#endif /* _LOCORE */
#if defined(_LOCORE) || defined(_KERNEL)
/*
* `Code' arguments to signal handlers. The names, and the funny numbering.
* are defined so as to match up with what SunOS uses; I have no idea why
* they did the numbers that way, except maybe to match up with the 68881.
*/
#define FPE_INTOVF_TRAP 0x01 /* integer overflow */
#define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */
#define FPE_FLTINEX_TRAP 0xc4 /* inexact */
#define FPE_FLTDIV_TRAP 0xc8 /* divide by zero */
#define FPE_FLTUND_TRAP 0xcc /* underflow */
#define FPE_FLTOPERR_TRAP 0xd0 /* operand error */
#define FPE_FLTOVF_TRAP 0xd4 /* overflow */
#endif /* _LOCORE || __BSD_VISIBLE */
#endif /* !_MACHINE_SIGNAL_H_ */
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