Module Name: src Committed By: matt Date: Wed Jan 23 07:38:20 UTC 2013
Added Files: src/common/lib/libc/arch/arm/gen: __aeabi_idiv0.c __aeabi_ldiv0.c Log Message: Add EABI support routines to raise SIGFPE on integer divide by 0. To generate a diff of this commit: cvs rdiff -u -r0 -r1.1 src/common/lib/libc/arch/arm/gen/__aeabi_idiv0.c \ src/common/lib/libc/arch/arm/gen/__aeabi_ldiv0.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Added files: Index: src/common/lib/libc/arch/arm/gen/__aeabi_idiv0.c diff -u /dev/null src/common/lib/libc/arch/arm/gen/__aeabi_idiv0.c:1.1 --- /dev/null Wed Jan 23 07:38:20 2013 +++ src/common/lib/libc/arch/arm/gen/__aeabi_idiv0.c Wed Jan 23 07:38:19 2013 @@ -0,0 +1,59 @@ +/*- + * Copyright (c) 2012 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Matt Thomas of 3am Software Foundry. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> + +__RCSID("$NetBSD: __aeabi_idiv0.c,v 1.1 2013/01/23 07:38:19 matt Exp $"); + +#if !defined(_KERNEL) +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/signal.h> +#include <sys/siginfo.h> +#endif + +#include <arm/aeabi.h> + +int +__aeabi_idiv0(int result) +{ +#ifdef _KERNEL +#else + siginfo_t info; + + memset(&info, 0, sizeof info); + info.si_signo = SIGFPE; + info.si_pid = getpid(); + info.si_uid = geteuid(); + info.si_code = FPE_INTDIV; + sigqueueinfo(getpid(), &info); +#endif + return result; +} Index: src/common/lib/libc/arch/arm/gen/__aeabi_ldiv0.c diff -u /dev/null src/common/lib/libc/arch/arm/gen/__aeabi_ldiv0.c:1.1 --- /dev/null Wed Jan 23 07:38:20 2013 +++ src/common/lib/libc/arch/arm/gen/__aeabi_ldiv0.c Wed Jan 23 07:38:19 2013 @@ -0,0 +1,59 @@ +/*- + * Copyright (c) 2012 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Matt Thomas of 3am Software Foundry. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> + +__RCSID("$NetBSD: __aeabi_ldiv0.c,v 1.1 2013/01/23 07:38:19 matt Exp $"); + +#if !defined(_KERNEL) +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/signal.h> +#include <sys/siginfo.h> +#endif + +#include <arm/aeabi.h> + +long long +__aeabi_ldiv0(long long result) +{ +#ifdef _KERNEL +#else + siginfo_t info; + + memset(&info, 0, sizeof info); + info.si_signo = SIGFPE; + info.si_pid = getpid(); + info.si_uid = geteuid(); + info.si_code = FPE_INTDIV; + sigqueueinfo(getpid(), &info); +#endif + return result; +}