11.1Smatt/*-
21.1Smatt * Copyright (c) 2012 The NetBSD Foundation, Inc.
31.1Smatt * All rights reserved.
41.1Smatt *
51.1Smatt * This code is derived from software contributed to The NetBSD Foundation
61.1Smatt * by Matt Thomas of 3am Software Foundry.
71.1Smatt *
81.1Smatt * Redistribution and use in source and binary forms, with or without
91.1Smatt * modification, are permitted provided that the following conditions
101.1Smatt * are met:
111.1Smatt * 1. Redistributions of source code must retain the above copyright
121.1Smatt *    notice, this list of conditions and the following disclaimer.
131.1Smatt * 2. Redistributions in binary form must reproduce the above copyright
141.1Smatt *    notice, this list of conditions and the following disclaimer in the
151.1Smatt *    documentation and/or other materials provided with the distribution.
161.1Smatt *
171.1Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
181.1Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
191.1Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
201.1Smatt * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
211.1Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
221.1Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
231.1Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
241.1Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
251.1Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
261.1Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
271.1Smatt * POSSIBILITY OF SUCH DAMAGE.
281.1Smatt */
291.1Smatt
301.1Smatt#include <sys/cdefs.h>
311.1Smatt
321.3Sjoerg__RCSID("$NetBSD: __aeabi_idiv0.c,v 1.3 2014/01/29 22:29:43 joerg Exp $");
331.1Smatt
341.3Sjoerg#if defined(_KERNEL) || defined(_STANDALONE)
351.3Sjoerg#include <sys/systm.h>
361.3Sjoerg#else
371.1Smatt#include <string.h>
381.1Smatt#include <unistd.h>
391.1Smatt#include <sys/types.h>
401.1Smatt#include <sys/signal.h>
411.1Smatt#include <sys/siginfo.h>
421.1Smatt#endif
431.1Smatt
441.1Smatt#include <arm/aeabi.h>
451.1Smatt
461.1Smattint
471.1Smatt__aeabi_idiv0(int result)
481.1Smatt{
491.3Sjoerg#if defined(_KERNEL) || defined(_STANDALONE)
501.3Sjoerg	panic("divide by 0");
511.3Sjoerg#else
521.1Smatt	siginfo_t info;
531.1Smatt
541.1Smatt	memset(&info, 0, sizeof info);
551.1Smatt	info.si_signo = SIGFPE;
561.1Smatt	info.si_pid = getpid();
571.1Smatt	info.si_uid = geteuid();
581.1Smatt	info.si_code = FPE_INTDIV;
591.1Smatt	sigqueueinfo(getpid(), &info);
601.1Smatt#endif
611.1Smatt	return result;
621.1Smatt}
63