1 /* $OpenBSD: signal.h,v 1.4 2003/06/02 23:27:54 millert Exp $ */ 2 /* $NetBSD: signal.h,v 1.4 1996/02/01 22:32:35 mycroft Exp $ */ 3 4 /* 5 * Copyright (c) 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This software was developed by the Computer Systems Engineering group 9 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 10 * contributed to Berkeley. 11 * 12 * All advertising materials mentioning features or use of this software 13 * must display the following acknowledgement: 14 * This product includes software developed by the University of 15 * California, Lawrence Berkeley Laboratory. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions 19 * are met: 20 * 1. Redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer. 22 * 2. Redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution. 25 * 3. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * @(#)signal.h 8.1 (Berkeley) 6/11/93 42 */ 43 44 #ifndef _SPARC_SIGNAL_H_ 45 #define _SPARC_SIGNAL_H_ 46 47 #ifndef _LOCORE 48 typedef int sig_atomic_t; 49 #endif 50 51 #ifndef _ANSI_SOURCE 52 #ifndef _LOCORE 53 54 /* 55 * Information pushed on stack when a signal is delivered. 56 * This is used by the kernel to restore state following 57 * execution of the signal handler. It is also made available 58 * to the handler to allow it to restore state properly if 59 * a non-standard exit is performed. 60 * 61 * All machines must have an sc_onstack and sc_mask. 62 */ 63 struct sigcontext { 64 int sc_onstack; /* sigstack state to restore */ 65 int sc_mask; /* signal mask to restore */ 66 /* begin machine dependent portion */ 67 int sc_sp; /* %sp to restore */ 68 int sc_pc; /* pc to restore */ 69 int sc_npc; /* npc to restore */ 70 int sc_psr; /* psr to restore */ 71 int sc_g1; /* %g1 to restore */ 72 int sc_o0; /* %o0 to restore */ 73 }; 74 #else /* _LOCORE */ 75 #define SC_SP_OFFSET 8 76 #define SC_PC_OFFSET 12 77 #define SC_NPC_OFFSET 16 78 #define SC_PSR_OFFSET 20 79 #define SC_G1_OFFSET 24 80 #define SC_O0_OFFSET 28 81 #endif /* _LOCORE */ 82 83 /* 84 * `Code' arguments to signal handlers. The names, and the funny numbering. 85 * are defined so as to match up with what SunOS uses; I have no idea why 86 * they did the numbers that way, except maybe to match up with the 68881. 87 */ 88 #define FPE_INTOVF_TRAP 0x01 /* integer overflow */ 89 #define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */ 90 #define FPE_FLTINEX_TRAP 0xc4 /* inexact */ 91 #define FPE_FLTDIV_TRAP 0xc8 /* divide by zero */ 92 #define FPE_FLTUND_TRAP 0xcc /* underflow */ 93 #define FPE_FLTOPERR_TRAP 0xd0 /* operand error */ 94 #define FPE_FLTOVF_TRAP 0xd4 /* overflow */ 95 96 #endif /* !_ANSI_SOURCE */ 97 #endif /* !_SPARC_SIGNAL_H_ */ 98