17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5f841f6adSraf * Common Development and Distribution License (the "License").
6f841f6adSraf * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
21f841f6adSraf
227c478bd9Sstevel@tonic-gate /*
237257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
287c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
29dd2ed563SToomas Soome /* All Rights Reserved */
30f841f6adSraf
31*ed093b41SRobert Mustacchi /*
32*ed093b41SRobert Mustacchi * Copyright 2023 Oxide Computer Company
33*ed093b41SRobert Mustacchi */
34*ed093b41SRobert Mustacchi
357257d1b4Sraf #include "lint.h"
367c478bd9Sstevel@tonic-gate #include <sys/types.h>
377c478bd9Sstevel@tonic-gate #include <sys/ucontext.h>
387c478bd9Sstevel@tonic-gate #include <setjmp.h>
397c478bd9Sstevel@tonic-gate #include <ucontext.h>
40*ed093b41SRobert Mustacchi #include <strings.h>
41*ed093b41SRobert Mustacchi #include <upanic.h>
42dd2ed563SToomas Soome #include "libc.h"
43dd2ed563SToomas Soome
44dd2ed563SToomas Soome #pragma weak _siglongjmp = siglongjmp
457c478bd9Sstevel@tonic-gate
467c478bd9Sstevel@tonic-gate void
siglongjmp(sigjmp_buf env,int val)477257d1b4Sraf siglongjmp(sigjmp_buf env, int val)
487c478bd9Sstevel@tonic-gate {
49*ed093b41SRobert Mustacchi const char *msg = "siglongjmp(): setcontext() returned";
507c478bd9Sstevel@tonic-gate ucontext_t *ucp = (ucontext_t *)env;
517c478bd9Sstevel@tonic-gate
527c478bd9Sstevel@tonic-gate if (val)
537c478bd9Sstevel@tonic-gate ucp->uc_mcontext.gregs[EAX] = val;
547c478bd9Sstevel@tonic-gate else
557c478bd9Sstevel@tonic-gate ucp->uc_mcontext.gregs[EAX] = 1;
567c478bd9Sstevel@tonic-gate
57*ed093b41SRobert Mustacchi /*
58*ed093b41SRobert Mustacchi * While unlikely, it is possible that setcontext() may fail for some
59*ed093b41SRobert Mustacchi * reason. If that happens, we will kill the process.
60*ed093b41SRobert Mustacchi */
617257d1b4Sraf (void) setcontext(ucp);
62*ed093b41SRobert Mustacchi upanic(msg, strlen(msg) + 1);
637c478bd9Sstevel@tonic-gate }
64