184d9c625SLionel Sambuc /*-
284d9c625SLionel Sambuc * Copyright (c) 2012 The NetBSD Foundation, Inc.
384d9c625SLionel Sambuc * All rights reserved.
484d9c625SLionel Sambuc *
584d9c625SLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation
684d9c625SLionel Sambuc * by Matt Thomas of 3am Software Foundry.
784d9c625SLionel Sambuc *
884d9c625SLionel Sambuc * Redistribution and use in source and binary forms, with or without
984d9c625SLionel Sambuc * modification, are permitted provided that the following conditions
1084d9c625SLionel Sambuc * are met:
1184d9c625SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
1284d9c625SLionel Sambuc * notice, this list of conditions and the following disclaimer.
1384d9c625SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
1484d9c625SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
1584d9c625SLionel Sambuc * documentation and/or other materials provided with the distribution.
1684d9c625SLionel Sambuc *
1784d9c625SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
1884d9c625SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
1984d9c625SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
2084d9c625SLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
2184d9c625SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
2284d9c625SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
2384d9c625SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
2484d9c625SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
2584d9c625SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
2684d9c625SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
2784d9c625SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
2884d9c625SLionel Sambuc */
2984d9c625SLionel Sambuc
3084d9c625SLionel Sambuc #include <sys/cdefs.h>
3184d9c625SLionel Sambuc
32*0a6a1f1dSLionel Sambuc __RCSID("$NetBSD: __aeabi_idiv0.c,v 1.3 2014/01/29 22:29:43 joerg Exp $");
3384d9c625SLionel Sambuc
34*0a6a1f1dSLionel Sambuc #if defined(_KERNEL) || defined(_STANDALONE)
35*0a6a1f1dSLionel Sambuc #include <sys/systm.h>
36*0a6a1f1dSLionel Sambuc #else
3784d9c625SLionel Sambuc #include <string.h>
3884d9c625SLionel Sambuc #include <unistd.h>
3984d9c625SLionel Sambuc #include <sys/types.h>
4084d9c625SLionel Sambuc #include <sys/signal.h>
4184d9c625SLionel Sambuc #include <sys/siginfo.h>
4284d9c625SLionel Sambuc #endif
4384d9c625SLionel Sambuc
4484d9c625SLionel Sambuc #include <arm/aeabi.h>
4584d9c625SLionel Sambuc
4684d9c625SLionel Sambuc int
__aeabi_idiv0(int result)4784d9c625SLionel Sambuc __aeabi_idiv0(int result)
4884d9c625SLionel Sambuc {
49*0a6a1f1dSLionel Sambuc #if defined(_KERNEL) || defined(_STANDALONE)
50*0a6a1f1dSLionel Sambuc panic("divide by 0");
51*0a6a1f1dSLionel Sambuc #else
5284d9c625SLionel Sambuc #if !defined(__minix) /* LSC: No sigqueueinfo on Minix. */
5384d9c625SLionel Sambuc siginfo_t info;
5484d9c625SLionel Sambuc
5584d9c625SLionel Sambuc memset(&info, 0, sizeof info);
5684d9c625SLionel Sambuc info.si_signo = SIGFPE;
5784d9c625SLionel Sambuc info.si_pid = getpid();
5884d9c625SLionel Sambuc info.si_uid = geteuid();
5984d9c625SLionel Sambuc info.si_code = FPE_INTDIV;
6084d9c625SLionel Sambuc sigqueueinfo(getpid(), &info);
6184d9c625SLionel Sambuc #else
6284d9c625SLionel Sambuc /* LSC: So just trigger the signal. */
6384d9c625SLionel Sambuc raise(SIGFPE);
6484d9c625SLionel Sambuc #endif /* !defined(__minix) */
6584d9c625SLionel Sambuc #endif
6684d9c625SLionel Sambuc return result;
6784d9c625SLionel Sambuc }
68