__aeabi_ldiv0.c revision 1.1.4.4 
1/*-
2 * Copyright (c) 2012 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Matt Thomas of 3am Software Foundry.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31
32__RCSID("$NetBSD: __aeabi_ldiv0.c,v 1.1.4.4 2014/08/19 23:45:12 tls Exp $");
33
34#if defined(_KERNEL) || defined(_STANDALONE)
35#include <sys/systm.h>
36#else
37#include <string.h>
38#include <unistd.h>
39#include <sys/types.h>
40#include <sys/signal.h>
41#include <sys/siginfo.h>
42#endif
43
44#include <arm/aeabi.h>
45
46long long
47__aeabi_ldiv0(long long result)
48{
49#if defined(_KERNEL) || defined(_STANDALONE)
50	panic("divide by 0");
51#else
52	siginfo_t info;
53
54	memset(&info, 0, sizeof info);
55	info.si_signo = SIGFPE;
56	info.si_pid = getpid();
57	info.si_uid = geteuid();
58	info.si_code = FPE_INTDIV;
59	sigqueueinfo(getpid(), &info);
60#endif
61	return result;
62}
63