1/*	$NetBSD: signal.h,v 1.26 2021/10/28 23:41:06 thorpej Exp $ */
  2
  3/*
  4 * Copyright (c) 1992, 1993
  5 *	The Regents of the University of California.  All rights reserved.
  6 *
  7 * This software was developed by the Computer Systems Engineering group
  8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
  9 * contributed to Berkeley.
 10 *
 11 * All advertising materials mentioning features or use of this software
 12 * must display the following acknowledgement:
 13 *	This product includes software developed by the University of
 14 *	California, Lawrence Berkeley Laboratory.
 15 *
 16 * Redistribution and use in source and binary forms, with or without
 17 * modification, are permitted provided that the following conditions
 18 * are met:
 19 * 1. Redistributions of source code must retain the above copyright
 20 *    notice, this list of conditions and the following disclaimer.
 21 * 2. Redistributions in binary form must reproduce the above copyright
 22 *    notice, this list of conditions and the following disclaimer in the
 23 *    documentation and/or other materials provided with the distribution.
 24 * 3. Neither the name of the University nor the names of its contributors
 25 *    may be used to endorse or promote products derived from this software
 26 *    without specific prior written permission.
 27 *
 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 31 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 38 * SUCH DAMAGE.
 39 *
 40 *	@(#)signal.h	8.1 (Berkeley) 6/11/93
 41 */
 42
 43#ifndef	_SPARC_SIGNAL_H_
 44#define _SPARC_SIGNAL_H_
 45
 46#include <sys/featuretest.h>
 47
 48#define	__HAVE_STRUCT_SIGCONTEXT
 49
 50#ifndef _LOCORE
 51typedef int sig_atomic_t;
 52#endif
 53
 54#if defined(_NETBSD_SOURCE)
 55#ifndef _LOCORE
 56#include <sys/sigtypes.h>
 57/*
 58 * Information pushed on stack when a signal is delivered.
 59 * This is used by the kernel to restore state following
 60 * execution of the signal handler.  It is also made available
 61 * to the handler to allow it to restore state properly if
 62 * a non-standard exit is performed.
 63 *
 64 * All machines must have an sc_onstack and sc_mask.
 65 */
 66#if defined(_KERNEL)
 67struct sigcontext13 {
 68	int	sc_onstack;		/* sigstack state to restore */
 69	int	sc_mask;		/* signal mask to restore (old style) */
 70	/* begin machine dependent portion */
 71	long	sc_sp;			/* %sp to restore */
 72	long	sc_pc;			/* pc to restore */
 73	long	sc_npc;			/* npc to restore */
 74#ifdef __arch64__
 75	long	sc_tstate;		/* tstate to restore */
 76#else
 77	long	sc_psr;			/* psr to restore */
 78#endif
 79	long	sc_g1;			/* %g1 to restore */
 80	long	sc_o0;			/* %o0 to restore */
 81};
 82#endif /* _KERNEL */
 83
 84struct sigcontext {
 85	int		sc_onstack;	/* sigstack state to restore */
 86	int		__sc_mask13;	/* signal mask to restore (old style) */
 87	/* begin machine dependent portion */
 88	long		sc_sp;		/* %sp to restore */
 89	long		sc_pc;		/* pc to restore */
 90	long		sc_npc;		/* npc to restore */
 91#ifdef __arch64__
 92	long		sc_tstate;	/* tstate to restore */
 93#else
 94	long		sc_psr;		/* psr to restore */
 95#endif
 96	long		sc_g1;		/* %g1 to restore */
 97	long		sc_o0;		/* %o0 to restore */
 98	sigset_t	sc_mask;	/* signal mask to restore (new style) */
 99};
100
101#else /* _LOCORE */
102/* XXXXX These values don't work for _LP64 */
103#define	SC_SP_OFFSET	8
104#define	SC_PC_OFFSET	12
105#define	SC_NPC_OFFSET	16
106#define	SC_PSR_OFFSET	20
107#define	SC_G1_OFFSET	24
108#define	SC_O0_OFFSET	28
109#endif /* _LOCORE */
110
111/*
112 * `Code' arguments to signal handlers.  The names, and the funny numbering.
113 * are defined so as to match up with what SunOS uses; I have no idea why
114 * they did the numbers that way, except maybe to match up with the 68881.
115 */
116#define	FPE_INTOVF_TRAP		0x01	/* integer overflow */
117#define	FPE_INTDIV_TRAP		0x14	/* integer divide by zero */
118#define	FPE_FLTINEX_TRAP	0xc4	/* inexact */
119#define	FPE_FLTDIV_TRAP		0xc8	/* divide by zero */
120#define	FPE_FLTUND_TRAP		0xcc	/* underflow */
121#define	FPE_FLTOPERR_TRAP	0xd0	/* operand error */
122#define	FPE_FLTOVF_TRAP		0xd4	/* overflow */
123
124#endif	/* _NETBSD_SOURCE */
125#endif	/* !_SPARC_SIGNAL_H_ */