1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1999 by Sun Microsystems, Inc. 24*7c478bd9Sstevel@tonic-gate * All rights reserved. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate #include <stdio.h> 30*7c478bd9Sstevel@tonic-gate #include <stdlib.h> 31*7c478bd9Sstevel@tonic-gate #include <string.h> 32*7c478bd9Sstevel@tonic-gate #include <signal.h> 33*7c478bd9Sstevel@tonic-gate #include <unistd.h> 34*7c478bd9Sstevel@tonic-gate 35*7c478bd9Sstevel@tonic-gate #include <sys/time.h> 36*7c478bd9Sstevel@tonic-gate #include <sys/termio.h> 37*7c478bd9Sstevel@tonic-gate 38*7c478bd9Sstevel@tonic-gate #include <fcode/private.h> 39*7c478bd9Sstevel@tonic-gate #include <fcode/log.h> 40*7c478bd9Sstevel@tonic-gate 41*7c478bd9Sstevel@tonic-gate static fcode_env_t *saved_envp; 42*7c478bd9Sstevel@tonic-gate static struct termio saved_termio; 43*7c478bd9Sstevel@tonic-gate 44*7c478bd9Sstevel@tonic-gate static void 45*7c478bd9Sstevel@tonic-gate process_signal(int sig, siginfo_t *sip, void *addr) 46*7c478bd9Sstevel@tonic-gate { 47*7c478bd9Sstevel@tonic-gate /* 48*7c478bd9Sstevel@tonic-gate * Format appropriate error message, want fault addr if Bus Error 49*7c478bd9Sstevel@tonic-gate * or Segmentation Violation. 50*7c478bd9Sstevel@tonic-gate */ 51*7c478bd9Sstevel@tonic-gate switch (sig) { 52*7c478bd9Sstevel@tonic-gate case SIGSEGV: 53*7c478bd9Sstevel@tonic-gate case SIGBUS: 54*7c478bd9Sstevel@tonic-gate case SIGILL: 55*7c478bd9Sstevel@tonic-gate case SIGFPE: 56*7c478bd9Sstevel@tonic-gate forth_abort(saved_envp, "%s: Fault Addr: 0x%08x", 57*7c478bd9Sstevel@tonic-gate strsignal(sig), sip->si_addr); 58*7c478bd9Sstevel@tonic-gate 59*7c478bd9Sstevel@tonic-gate case SIGQUIT: 60*7c478bd9Sstevel@tonic-gate ioctl(fileno(stdin), TCSETA, &saved_termio); 61*7c478bd9Sstevel@tonic-gate log_message(MSG_FATAL, "SIGQUIT\n"); 62*7c478bd9Sstevel@tonic-gate abort(); 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate case SIGINT: 65*7c478bd9Sstevel@tonic-gate ioctl(fileno(stdin), TCSETA, &saved_termio); 66*7c478bd9Sstevel@tonic-gate break; 67*7c478bd9Sstevel@tonic-gate } 68*7c478bd9Sstevel@tonic-gate forth_abort(saved_envp, strsignal(sig)); 69*7c478bd9Sstevel@tonic-gate } 70*7c478bd9Sstevel@tonic-gate 71*7c478bd9Sstevel@tonic-gate void 72*7c478bd9Sstevel@tonic-gate install_handlers(fcode_env_t *env) 73*7c478bd9Sstevel@tonic-gate { 74*7c478bd9Sstevel@tonic-gate struct sigaction sa; 75*7c478bd9Sstevel@tonic-gate 76*7c478bd9Sstevel@tonic-gate saved_envp = env; 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate ioctl(fileno(stdin), TCGETA, &saved_termio); 79*7c478bd9Sstevel@tonic-gate 80*7c478bd9Sstevel@tonic-gate sigemptyset(&sa.sa_mask); 81*7c478bd9Sstevel@tonic-gate sa.sa_flags = SA_SIGINFO|SA_NODEFER; 82*7c478bd9Sstevel@tonic-gate sa.sa_handler = 0; 83*7c478bd9Sstevel@tonic-gate sa.sa_sigaction = process_signal; 84*7c478bd9Sstevel@tonic-gate 85*7c478bd9Sstevel@tonic-gate sigaction(SIGINT, &sa, NULL); 86*7c478bd9Sstevel@tonic-gate sigaction(SIGQUIT, &sa, NULL); 87*7c478bd9Sstevel@tonic-gate sigaction(SIGSEGV, &sa, NULL); 88*7c478bd9Sstevel@tonic-gate sigaction(SIGBUS, &sa, NULL); 89*7c478bd9Sstevel@tonic-gate sigaction(SIGUSR1, &sa, NULL); 90*7c478bd9Sstevel@tonic-gate sigaction(SIGFPE, &sa, NULL); 91*7c478bd9Sstevel@tonic-gate } 92