/*      $NetBSD: signal.h,v 1.26 2021/10/28 23:41:06 thorpej 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 _SPARC_SIGNAL_H_
#define _SPARC_SIGNAL_H_

#include <sys/featuretest.h>

#define __HAVE_STRUCT_SIGCONTEXT

#ifndef _LOCORE
typedef int sig_atomic_t;
#endif

#if defined(_NETBSD_SOURCE)
#ifndef _LOCORE
#include <sys/sigtypes.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.
*
* All machines must have an sc_onstack and sc_mask.
*/
#if defined(_KERNEL)
struct sigcontext13 {
       int     sc_onstack;             /* sigstack state to restore */
       int     sc_mask;                /* signal mask to restore (old style) */
       /* begin machine dependent portion */
       long    sc_sp;                  /* %sp to restore */
       long    sc_pc;                  /* pc to restore */
       long    sc_npc;                 /* npc to restore */
#ifdef __arch64__
       long    sc_tstate;              /* tstate to restore */
#else
       long    sc_psr;                 /* psr to restore */
#endif
       long    sc_g1;                  /* %g1 to restore */
       long    sc_o0;                  /* %o0 to restore */
};
#endif /* _KERNEL */

struct sigcontext {
       int             sc_onstack;     /* sigstack state to restore */
       int             __sc_mask13;    /* signal mask to restore (old style) */
       /* begin machine dependent portion */
       long            sc_sp;          /* %sp to restore */
       long            sc_pc;          /* pc to restore */
       long            sc_npc;         /* npc to restore */
#ifdef __arch64__
       long            sc_tstate;      /* tstate to restore */
#else
       long            sc_psr;         /* psr to restore */
#endif
       long            sc_g1;          /* %g1 to restore */
       long            sc_o0;          /* %o0 to restore */
       sigset_t        sc_mask;        /* signal mask to restore (new style) */
};

#else /* _LOCORE */
/* XXXXX These values don't work for _LP64 */
#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 */

/*
* `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  /* _NETBSD_SOURCE */
#endif  /* !_SPARC_SIGNAL_H_ */