1 /* 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This software was developed by the Computer Systems Engineering group 6 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 7 * contributed to Berkeley. 8 * 9 * All advertising materials mentioning features or use of this software 10 * must display the following acknowledgement: 11 * This product includes software developed by the University of 12 * California, Lawrence Berkeley Laboratory. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 3. All advertising materials mentioning features or use of this software 23 * must display the following acknowledgement: 24 * This product includes software developed by the University of 25 * California, Berkeley and its contributors. 26 * 4. Neither the name of the University nor the names of its contributors 27 * may be used to endorse or promote products derived from this software 28 * without specific prior written permission. 29 * 30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 33 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 40 * SUCH DAMAGE. 41 * 42 * @(#)signal.h 8.1 (Berkeley) 6/11/93 43 * 44 * from: Header: signal.h,v 1.5 92/11/26 02:04:46 torek Exp 45 * $Id: signal.h,v 1.1 1993/10/02 10:23:28 deraadt Exp $ 46 */ 47 48 #ifndef LOCORE 49 typedef int sig_atomic_t; 50 51 /* 52 * Information pushed on stack when a signal is delivered. 53 * This is used by the kernel to restore state following 54 * execution of the signal handler. It is also made available 55 * to the handler to allow it to restore state properly if 56 * a non-standard exit is performed. 57 * 58 * All machines must have an sc_onstack and sc_mask. 59 */ 60 struct sigcontext { 61 int sc_onstack; /* sigstack state to restore */ 62 int sc_mask; /* signal mask to restore */ 63 /* begin machine dependent portion */ 64 int sc_sp; /* %sp to restore */ 65 int sc_pc; /* pc to restore */ 66 int sc_npc; /* npc to restore */ 67 int sc_psr; /* psr to restore */ 68 int sc_g1; /* %g1 to restore */ 69 int sc_o0; /* %o0 to restore */ 70 }; 71 #else /* LOCORE */ 72 #define SC_SP_OFFSET 8 73 #define SC_PC_OFFSET 12 74 #define SC_NPC_OFFSET 16 75 #define SC_PSR_OFFSET 20 76 #define SC_G1_OFFSET 24 77 #define SC_O0_OFFSET 28 78 #endif /* LOCORE */ 79 80 /* 81 * `Code' arguments to signal handlers. The names, and the funny numbering. 82 * are defined so as to match up with what SunOS uses; I have no idea why 83 * they did the numbers that way, except maybe to match up with the 68881. 84 */ 85 #define FPE_INTOVF_TRAP 0x01 /* integer overflow */ 86 #define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */ 87 #define FPE_FLTINEX_TRAP 0xc4 /* inexact */ 88 #define FPE_FLTDIV_TRAP 0xc8 /* divide by zero */ 89 #define FPE_FLTUND_TRAP 0xcc /* underflow */ 90 #define FPE_FLTOPERR_TRAP 0xd0 /* operand error */ 91 #define FPE_FLTOVF_TRAP 0xd4 /* overflow */ 92