1 /* $NetBSD: signal.h,v 1.2 1994/11/20 20:53:32 deraadt 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. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)signal.h 8.1 (Berkeley) 6/11/93 45 */ 46 47 #ifndef LOCORE 48 typedef int sig_atomic_t; 49 50 /* 51 * Information pushed on stack when a signal is delivered. 52 * This is used by the kernel to restore state following 53 * execution of the signal handler. It is also made available 54 * to the handler to allow it to restore state properly if 55 * a non-standard exit is performed. 56 * 57 * All machines must have an sc_onstack and sc_mask. 58 */ 59 struct sigcontext { 60 int sc_onstack; /* sigstack state to restore */ 61 int sc_mask; /* signal mask to restore */ 62 /* begin machine dependent portion */ 63 int sc_sp; /* %sp to restore */ 64 int sc_pc; /* pc to restore */ 65 int sc_npc; /* npc to restore */ 66 int sc_psr; /* psr to restore */ 67 int sc_g1; /* %g1 to restore */ 68 int sc_o0; /* %o0 to restore */ 69 }; 70 #else /* LOCORE */ 71 #define SC_SP_OFFSET 8 72 #define SC_PC_OFFSET 12 73 #define SC_NPC_OFFSET 16 74 #define SC_PSR_OFFSET 20 75 #define SC_G1_OFFSET 24 76 #define SC_O0_OFFSET 28 77 #endif /* LOCORE */ 78 79 /* 80 * `Code' arguments to signal handlers. The names, and the funny numbering. 81 * are defined so as to match up with what SunOS uses; I have no idea why 82 * they did the numbers that way, except maybe to match up with the 68881. 83 */ 84 #define FPE_INTOVF_TRAP 0x01 /* integer overflow */ 85 #define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */ 86 #define FPE_FLTINEX_TRAP 0xc4 /* inexact */ 87 #define FPE_FLTDIV_TRAP 0xc8 /* divide by zero */ 88 #define FPE_FLTUND_TRAP 0xcc /* underflow */ 89 #define FPE_FLTOPERR_TRAP 0xd0 /* operand error */ 90 #define FPE_FLTOVF_TRAP 0xd4 /* overflow */ 91