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 1.2 2013/05/08 05:13:56 matt Exp $"); 33 34 #if !defined(_KERNEL) && !defined(_STANDALONE) 35 #include <string.h> 36 #include <unistd.h> 37 #include <sys/types.h> 38 #include <sys/signal.h> 39 #include <sys/siginfo.h> 40 #endif 41 42 #include <arm/aeabi.h> 43 44 long long 45 __aeabi_ldiv0(long long result) 46 { 47 #if !defined(_KERNEL) && !defined(_STANDALONE) 48 #if !defined(__minix) /* LSC: No sigqueueinfo on Minix. */ 49 siginfo_t info; 50 51 memset(&info, 0, sizeof info); 52 info.si_signo = SIGFPE; 53 info.si_pid = getpid(); 54 info.si_uid = geteuid(); 55 info.si_code = FPE_INTDIV; 56 sigqueueinfo(getpid(), &info); 57 #else 58 /* LSC: So just trigger the signal. */ 59 raise(SIGFPE); 60 #endif /* !defined(__minix) */ 61 #endif 62 return result; 63 } 64