Add a new regression test for ARM 6 and ARM7 machines to check if

unhandled instruction patterns in the early or late abort handler
terminate the program with a SEGV instead of the panic it used to
give.

Since this test is quite volatile if failing its not run automatically.

regress/sys/arch/arm/Makefile

@@ -1,7 +1,9 @@
-#	$NetBSD: Makefile,v 1.2 2001/09/01 09:53:25 rearnsha Exp $
+#	$NetBSD: Makefile,v 1.3 2002/03/16 20:37:49 reinoud Exp $
 
 .include <bsd.own.mk>
 
+SUBDIR+= abort-fixup
+
 .if ${OBJECT_FMT} == "ELF"
 SUBDIR+= sigstackalign
 .endif

regress/sys/arch/arm/abort-fixup/Makefile

@@ -0,0 +1,10 @@
+#	$NetBSD: Makefile,v 1.1 2002/03/16 20:37:49 reinoud Exp $
+
+PROG=		abortfixup
+SRCS=		abortfixup.c
+NOMAN=		# defined
+
+regress: ${PROG}
+	echo NOTE: please run the abortfixup program manually since it can panic
+
+.include <bsd.prog.mk>

regress/sys/arch/arm/abort-fixup/abortfixup.c

@@ -0,0 +1,70 @@
+/* $NetBSD: abortfixup.c,v 1.1 2002/03/16 20:37:49 reinoud Exp $ */
+
+/*-
+ * Copyright (c) 2001 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the NetBSD
+ *      Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * 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.
+ *
+ *
+ * Trying out if an unhandled instruction pattern in the late abort fixup
+ * generates a panic or sysfaults like it ought to do.
+ */
+
+#include <sys/types.h>
+
+__RCSID("$NetBSD: abortfixup.c,v 1.1 2002/03/16 20:37:49 reinoud Exp $");
+
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+
+int main(void) {
+	printf("ARM 6/7 abort fixup panic regression test\n");
+	printf("    it should SEGV instead of panic!\n");
+
+	/*
+ 	 * issue an instruction that for certain generates a page
+	 * fault but _can't_ be fixed up by late abort fixup
+	 * routines due to its structure.
+	 */
+	
+	__asm __volatile ("
+		mvn r0, #0
+		mov r1, r0
+		str r0, [r0], r1, ror #10
+	");
+
+	/* Should not be reached if OK */
+	printf("!!! Regression test FAILED - no SEGV recieved\n");
+	return 1;
+};
+