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;
+}

Reply via email to