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