sys/arch/sparc/include/signal.h

   1 /*      $NetBSD: signal.h,v 1.21 2005/12/11 12:19:06 christos 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 #ifndef _LOCORE
  49 typedef int sig_atomic_t;
  50 #endif
  51
  52 #if defined(_NETBSD_SOURCE)
  53 #ifndef _LOCORE
  54
  55 /*
  56  * Information pushed on stack when a signal is delivered.
  57  * This is used by the kernel to restore state following
  58  * execution of the signal handler.  It is also made available
  59  * to the handler to allow it to restore state properly if
  60  * a non-standard exit is performed.
  61  *
  62  * All machines must have an sc_onstack and sc_mask.
  63  */
  64 #if defined(__LIBC12_SOURCE__) || defined(_KERNEL)
  65 struct sigcontext13 {
  66         int     sc_onstack;             /* sigstack state to restore */
  67         int     sc_mask;                /* signal mask to restore (old style) */
  68         /* begin machine dependent portion */
  69         long    sc_sp;                  /* %sp to restore */
  70         long    sc_pc;                  /* pc to restore */
  71         long    sc_npc;                 /* npc to restore */
  72 #ifdef __arch64__
  73         long    sc_tstate;              /* tstate to restore */
  74 #else
  75         long    sc_psr;                 /* psr to restore */
  76 #endif
  77         long    sc_g1;                  /* %g1 to restore */
  78         long    sc_o0;                  /* %o0 to restore */
  79 };
  80 #endif /* __LIBC12_SOURCE__ || _KERNEL */
  81 struct sigcontext {
  82         int             sc_onstack;     /* sigstack state to restore */
  83         int             __sc_mask13;    /* signal mask to restore (old style) */
  84         /* begin machine dependent portion */
  85         long            sc_sp;          /* %sp to restore */
  86         long            sc_pc;          /* pc to restore */
  87         long            sc_npc;         /* npc to restore */
  88 #ifdef __arch64__
  89         long            sc_tstate;      /* tstate to restore */
  90 #else
  91         long            sc_psr;         /* psr to restore */
  92 #endif
  93         long            sc_g1;          /* %g1 to restore */
  94         long            sc_o0;          /* %o0 to restore */
  95         sigset_t        sc_mask;        /* signal mask to restore (new style) */
  96 };
  97
  98 #else /* _LOCORE */
  99 /* XXXXX These values don't work for _LP64 */
 100 #define SC_SP_OFFSET    8
 101 #define SC_PC_OFFSET    12
 102 #define SC_NPC_OFFSET   16
 103 #define SC_PSR_OFFSET   20
 104 #define SC_G1_OFFSET    24
 105 #define SC_O0_OFFSET    28
 106 #endif /* _LOCORE */
 107
 108 /*
 109  * `Code' arguments to signal handlers.  The names, and the funny numbering.
 110  * are defined so as to match up with what SunOS uses; I have no idea why
 111  * they did the numbers that way, except maybe to match up with the 68881.
 112  */
 113 #define FPE_INTOVF_TRAP         0x01    /* integer overflow */
 114 #define FPE_INTDIV_TRAP         0x14    /* integer divide by zero */
 115 #define FPE_FLTINEX_TRAP        0xc4    /* inexact */
 116 #define FPE_FLTDIV_TRAP         0xc8    /* divide by zero */
 117 #define FPE_FLTUND_TRAP         0xcc    /* underflow */
 118 #define FPE_FLTOPERR_TRAP       0xd0    /* operand error */
 119 #define FPE_FLTOVF_TRAP         0xd4    /* overflow */
 120
 121 #endif  /* _NETBSD_SOURCE */
 122 #endif  /* !_SPARC_SIGNAL_H_ */