[src/trunk]: src/common/lib/libc/arch/arm/gen Add EABI support routines to ra...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/de630b3cf51c
branches:  trunk
changeset: 784254:de630b3cf51c
user:      matt <matt%NetBSD.org@localhost>
date:      Wed Jan 23 07:38:19 2013 +0000

description:
Add EABI support routines to raise SIGFPE on integer divide by 0.

diffstat:

 common/lib/libc/arch/arm/gen/__aeabi_idiv0.c |  59 ++++++++++++++++++++++++++++
 common/lib/libc/arch/arm/gen/__aeabi_ldiv0.c |  59 ++++++++++++++++++++++++++++
 2 files changed, 118 insertions(+), 0 deletions(-)

diffs (126 lines):

diff -r 950fb38578e5 -r de630b3cf51c common/lib/libc/arch/arm/gen/__aeabi_idiv0.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/common/lib/libc/arch/arm/gen/__aeabi_idiv0.c      Wed Jan 23 07:38:19 2013 +0000
@@ -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;
+}
diff -r 950fb38578e5 -r de630b3cf51c common/lib/libc/arch/arm/gen/__aeabi_ldiv0.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/common/lib/libc/arch/arm/gen/__aeabi_ldiv0.c      Wed Jan 23 07:38:19 2013 +0000
@@ -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;
+}