add test for portability (kahansei_kojo in dev_V)

test/portability/unhandled_page_fault.c

@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+
+#define ARRAY_SIZE 10
+
+void handler(int sig) {
+	printf("[OK] unhandled_page_fault_01: received SIGSEGV\n");	
+	exit(0);
+}
+	
+
+int main(int argc, char** argv){
+	int* test = NULL;
+	
+	signal(SIGSEGV, handler);
+	printf("try to access out of range!\n");
+	*test = 99;
+
+	return 0;
+}