add a few variations of execs crash test

developer/debug/test/exec/crashtest_highpagefault.c

@@ -0,0 +1,27 @@
+/*
+    Copyright (C) 2025, The AROS Development Team. All rights reserved.
+*/
+
+#include <exec/types.h>
+#include <proto/dos.h>
+
+void crashfunc()
+{
+#if __WORDSIZE==64
+    volatile LONG *ptr = (LONG *)0xFFFF000000000000ULL;
+#else
+volatile LONG *ptr = (LONG *)0xFFFF0000UL;
+#endif
+
+    PutStr("Before crash\n");
+    *ptr = 20;
+    PutStr("After crash\n");
+}
+
+int main(int argc, char **argv)
+{
+    PutStr("main() enter\n");
+    crashfunc();
+    PutStr("main() exit\n");
+    return 0;
+}

developer/debug/test/exec/crashtest_illegalins.c

@@ -0,0 +1,22 @@
+/*
+    Copyright (C) 2025, The AROS Development Team. All rights reserved.
+*/
+
+#include <exec/types.h>
+#include <proto/dos.h>
+
+void crashfunc()
+{
+    void (*bad)() = (void(*)())"abcd";
+    PutStr("Before crash\n");
+    bad();
+    PutStr("After crash\n");
+}
+
+int main(int argc, char **argv)
+{
+    PutStr("main() enter\n");
+    crashfunc();
+    PutStr("main() exit\n");
+    return 0;
+}

developer/debug/test/exec/crashtest_pagefault.c

@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013, The AROS Development Team. All rights reserved.
+    Copyright (C) 2013-2025, The AROS Development Team. All rights reserved.
 */
 
 #include <exec/types.h>

developer/debug/test/exec/crashtest_unaligned.c

@@ -0,0 +1,24 @@
+/*
+    Copyright (C) 2025, The AROS Development Team. All rights reserved.
+*/
+
+#include <exec/types.h>
+#include <proto/dos.h>
+
+/* on strict-alignment architectures this should crash */
+void crashfunc()
+{
+    char buf[5];
+    LONG *unaligned = (LONG *)(buf + 1);
+    PutStr("Before crash\n");
+    *unaligned = 0x12345678;
+    PutStr("After crash\n");
+}
+
+int main(int argc, char **argv)
+{
+    PutStr("main() enter\n");
+    crashfunc();
+    PutStr("main() exit\n");
+    return 0;
+}

developer/debug/test/exec/crashtest_zerodiv.c

@@ -0,0 +1,24 @@
+/*
+    Copyright (C) 2025, The AROS Development Team. All rights reserved.
+*/
+
+#include <exec/types.h>
+#include <proto/dos.h>
+
+void crashfunc()
+{
+    volatile int x = 1;
+    volatile int y = 0;
+    PutStr("Before crash\n");
+    volatile int z = x / y;
+    PutStr("After crash\n");
+    (void)z;
+}
+
+int main(int argc, char **argv)
+{
+    PutStr("main() enter\n");
+    crashfunc();
+    PutStr("main() exit\n");
+    return 0;
+}

developer/debug/test/exec/crashtest_zerodivfloat.c

@@ -0,0 +1,24 @@
+/*
+    Copyright (C) 2025, The AROS Development Team. All rights reserved.
+*/
+
+#include <exec/types.h>
+#include <proto/dos.h>
+
+void crashfunc()
+{
+    volatile double x = 1.0;
+    volatile double y = 0.0;
+    PutStr("Before crash\n");
+    volatile double z = x / y;
+    PutStr("After crash\n");
+    (void)z;
+}
+
+int main(int argc, char **argv)
+{
+    PutStr("main() enter\n");
+    crashfunc();
+    PutStr("main() exit\n");
+    return 0;
+}

developer/debug/test/exec/mmakefile.src

@@ -16,7 +16,6 @@ EXECPUBLICFILES :=		\
     childstatus		\
     childwait		\
     copymem		\
-    crashtest		\
     dumpmem		\
     enqueue		\
     exceptiontest	\
@@ -37,6 +36,14 @@ EXECPUBLICFILES :=		\
     traptest		\
     vblank
 
+EXECPUBLICFILES +=		\
+    crashtest_highpagefault \
+    crashtest_illegalins \
+    crashtest_pagefault \
+    crashtest_unaligned \
+    crashtest_zerodiv \
+    crashtest_zerodivfloat
+
 CUNITEXECTESTFILES := \
     cunit-exec-types