Add indirect function pointers to fibonacci tests

Former-commit-id: c89362d2752478f41d5ef6cef6752ba6789b1373

tools/selective_cfi/tests/fib.c

@@ -2,6 +2,19 @@
 
 extern int fib();
 extern int fib2();
+extern int fibp(int n, int (*)(int,int));
+
+int add(int n1, int n2)
+{
+	if (n1 == 0)
+		return n2;
+	else if (n2 == 0)
+		return n1;
+	else if (n1 == 2)
+		return add(1, add(1, n2));
+	else
+		return n1 + add(0, n2);
+}
 
 main(int argc, char **argv)
 {
@@ -16,6 +29,8 @@ main(int argc, char **argv)
 		f = fib2(x);
 	else if (x == 4)
 		f = fib_simple(x);
+	else if (x == 5)
+		f = fibp(x, &add);
 	else
 		f = fib(x);
 	printf("Fibonacci(%d) = %d\n", x, f);
@@ -24,14 +39,14 @@ main(int argc, char **argv)
 }
 
 fib_main(int f) {
-	if (f <= 1)
+	if (f <= 2)
 		return 1;
 	else
 		return fib_simple(f-1) + fib_main(f-2);
 }
 
 fib_simple(int f) {
-	if (f <= 1)
+	if (f <= 2)
 		return 1;
 	else
 		return fib_simple(f-1) + fib_simple(f-2);

tools/selective_cfi/tests/libfib.c

 extern int fib_main();
 extern int fib2();
+extern int fib2p(int n, int (*)(int,int));
 
-int fib(n)
+int add2(int n1, int n2)
 {
-	if (n <= 1)
+	if (n1 == 0)
+		return n2;
+	else if (n2 == 0)
+		return n1;
+	else if (n2 == 2)
+		return add2(add2(n1, 1),1);
+	else
+		return add2(0, n2) + add2(n1, 0);
+}
+
+int fib(int n)
+{
+	if (n <= 2)
 		return 1;
 	else
 		return fib_main(n-1) + fib2(n-2);
 
 }
+
+int fibp(int n, int (*addp)(int,int))
+{
+	if (n <= 2)
+		return 1;
+	else
+		return (*addp)(fib_main(n-1),fib2p(n-2,&add2));
+}

tools/selective_cfi/tests/libfib2.c

 extern int fib_main();
 extern int fib();
 
-int fib2(n)
+int fib2(int n)
 {
-	if (n <= 1)
+	if (n <= 2)
 		return 1;
 	else
-//		return fib_main(n-1) + fib2(n-2);
 		return fib2(n-1) + fib_main(n-2);
 }
+
+int fib2p(int n, int (*addp)(int,int))
+{
+	if (n <= 2)
+		return (*addp)(1,0);
+	else
+		return (*addp)(fib2(n-1),fib2p(n-2, addp));
+}

tools/selective_cfi/tests/test_fib.sh

@@ -130,106 +130,127 @@ main()
 	test fib.exe 3 libfib.so.orig libfib2.so.orig
 	test fib.exe 4 libfib.so.orig libfib2.so.orig
 	test fib.exe 5 libfib.so.orig libfib2.so.orig
+	test fib.exe 6 libfib.so.orig libfib2.so.orig
 
 	test fib.exe 2 libfib.so.cfi libfib2.so.orig
 	test fib.exe 3 libfib.so.cfi libfib2.so.orig
 	test fib.exe 4 libfib.so.cfi libfib2.so.orig
 	test fib.exe 5 libfib.so.cfi libfib2.so.orig
+	test fib.exe 6 libfib.so.cfi libfib2.so.orig
 
 	test fib.exe 2 libfib.so.orig libfib2.so.cfi
 	test fib.exe 3 libfib.so.orig libfib2.so.cfi
 	test fib.exe 4 libfib.so.orig libfib2.so.cfi
 	test fib.exe 5 libfib.so.orig libfib2.so.cfi
+	test fib.exe 6 libfib.so.orig libfib2.so.cfi
 
 	test fib.exe 2 libfib.so.cfi libfib2.so.cfi
 	test fib.exe 3 libfib.so.cfi libfib2.so.cfi
 	test fib.exe 4 libfib.so.cfi libfib2.so.cfi
 	test fib.exe 5 libfib.so.cfi libfib2.so.cfi
+	test fib.exe 6 libfib.so.cfi libfib2.so.cfi
 
 	test fib.exe.cfi 2 libfib.so.orig libfib2.so.orig
 	test fib.exe.cfi 3 libfib.so.orig libfib2.so.orig
 	test fib.exe.cfi 4 libfib.so.orig libfib2.so.orig
 	test fib.exe.cfi 5 libfib.so.orig libfib2.so.orig
+	test fib.exe.cfi 6 libfib.so.orig libfib2.so.orig
 
 	test fib.exe.cfi 2 libfib.so.cfi libfib2.so.orig
 	test fib.exe.cfi 3 libfib.so.cfi libfib2.so.orig
 	test fib.exe.cfi 4 libfib.so.cfi libfib2.so.orig
 	test fib.exe.cfi 5 libfib.so.cfi libfib2.so.orig
+	test fib.exe.cfi 6 libfib.so.cfi libfib2.so.orig
 
 	test fib.exe.cfi 2 libfib.so.orig libfib2.so.cfi
 	test fib.exe.cfi 3 libfib.so.orig libfib2.so.cfi
 	test fib.exe.cfi 4 libfib.so.orig libfib2.so.cfi
 	test fib.exe.cfi 5 libfib.so.orig libfib2.so.cfi
+	test fib.exe.cfi 6 libfib.so.orig libfib2.so.cfi
 
 	test fib.exe.cfi 2 libfib.so.cfi libfib2.so.cfi
 	test fib.exe.cfi 3 libfib.so.cfi libfib2.so.cfi
 	test fib.exe.cfi 4 libfib.so.cfi libfib2.so.cfi
 	test fib.exe.cfi 5 libfib.so.cfi libfib2.so.cfi
+	test fib.exe.cfi 6 libfib.so.cfi libfib2.so.cfi
 
 	test fib.exe.cfi.color 2 libfib.so.orig libfib2.so.orig
 	test fib.exe.cfi.color 3 libfib.so.orig libfib2.so.orig
 	test fib.exe.cfi.color 4 libfib.so.orig libfib2.so.orig
 	test fib.exe.cfi.color 5 libfib.so.orig libfib2.so.orig
+	test fib.exe.cfi.color 6 libfib.so.orig libfib2.so.orig
 
 	test fib.exe.cfi.color 2 libfib.so.cfi libfib2.so.orig
 	test fib.exe.cfi.color 3 libfib.so.cfi libfib2.so.orig
 	test fib.exe.cfi.color 4 libfib.so.cfi libfib2.so.orig
 	test fib.exe.cfi.color 5 libfib.so.cfi libfib2.so.orig
+	test fib.exe.cfi.color 6 libfib.so.cfi libfib2.so.orig
 
 	test fib.exe.cfi.color 2 libfib.so.orig libfib2.so.cfi
 	test fib.exe.cfi.color 3 libfib.so.orig libfib2.so.cfi
 	test fib.exe.cfi.color 4 libfib.so.orig libfib2.so.cfi
 	test fib.exe.cfi.color 5 libfib.so.orig libfib2.so.cfi
+	test fib.exe.cfi.color 6 libfib.so.orig libfib2.so.cfi
 
 	test fib.exe.cfi.color 2 libfib.so.cfi libfib2.so.cfi
 	test fib.exe.cfi.color 3 libfib.so.cfi libfib2.so.cfi
 	test fib.exe.cfi.color 4 libfib.so.cfi libfib2.so.cfi
 	test fib.exe.cfi.color 5 libfib.so.cfi libfib2.so.cfi
+	test fib.exe.cfi.color 6 libfib.so.cfi libfib2.so.cfi
 
 	test fib.exe 2 libfib.so.cfi.color libfib2.so.orig
 	test fib.exe 3 libfib.so.cfi.color libfib2.so.orig
 	test fib.exe 4 libfib.so.cfi.color libfib2.so.orig
 	test fib.exe 5 libfib.so.cfi.color libfib2.so.orig
+	test fib.exe 6 libfib.so.cfi.color libfib2.so.orig
 
 	test fib.exe 2 libfib.so.orig libfib2.so.cfi.color
 	test fib.exe 3 libfib.so.orig libfib2.so.cfi.color
 	test fib.exe 4 libfib.so.orig libfib2.so.cfi.color
 	test fib.exe 5 libfib.so.orig libfib2.so.cfi.color
+	test fib.exe 6 libfib.so.orig libfib2.so.cfi.color
 
 	test fib.exe 2 libfib.so.cfi.color libfib2.so.cfi.color
 	test fib.exe 3 libfib.so.cfi.color libfib2.so.cfi.color
 	test fib.exe 4 libfib.so.cfi.color libfib2.so.cfi.color
 	test fib.exe 5 libfib.so.cfi.color libfib2.so.cfi.color
+	test fib.exe 6 libfib.so.cfi.color libfib2.so.cfi.color
 
 	test fib.exe.cfi 2 libfib.so.cfi.color libfib2.so.orig
 	test fib.exe.cfi 3 libfib.so.cfi.color libfib2.so.orig
 	test fib.exe.cfi 4 libfib.so.cfi.color libfib2.so.orig
 	test fib.exe.cfi 5 libfib.so.cfi.color libfib2.so.orig
+	test fib.exe.cfi 6 libfib.so.cfi.color libfib2.so.orig
 
 	test fib.exe.cfi 2 libfib.so.orig libfib2.so.cfi.color
 	test fib.exe.cfi 3 libfib.so.orig libfib2.so.cfi.color
 	test fib.exe.cfi 4 libfib.so.orig libfib2.so.cfi.color
 	test fib.exe.cfi 5 libfib.so.orig libfib2.so.cfi.color
+	test fib.exe.cfi 6 libfib.so.orig libfib2.so.cfi.color
 
 	test fib.exe.cfi 2 libfib.so.cfi.color libfib2.so.cfi.color
 	test fib.exe.cfi 3 libfib.so.cfi.color libfib2.so.cfi.color
 	test fib.exe.cfi 4 libfib.so.cfi.color libfib2.so.cfi.color
 	test fib.exe.cfi 5 libfib.so.cfi.color libfib2.so.cfi.color
+	test fib.exe.cfi 6 libfib.so.cfi.color libfib2.so.cfi.color
 
 	test fib.exe.cfi.color 2 libfib.so.cfi.color libfib2.so.orig
 	test fib.exe.cfi.color 3 libfib.so.cfi.color libfib2.so.orig
 	test fib.exe.cfi.color 4 libfib.so.cfi.color libfib2.so.orig
 	test fib.exe.cfi.color 5 libfib.so.cfi.color libfib2.so.orig
+	test fib.exe.cfi.color 6 libfib.so.cfi.color libfib2.so.orig
 
 	test fib.exe.cfi.color 2 libfib.so.orig libfib2.so.cfi.color
 	test fib.exe.cfi.color 3 libfib.so.orig libfib2.so.cfi.color
 	test fib.exe.cfi.color 4 libfib.so.orig libfib2.so.cfi.color
 	test fib.exe.cfi.color 5 libfib.so.orig libfib2.so.cfi.color
+	test fib.exe.cfi.color 6 libfib.so.orig libfib2.so.cfi.color
 
 	test fib.exe.cfi.color 2 libfib.so.cfi.color libfib2.so.cfi.color
 	test fib.exe.cfi.color 3 libfib.so.cfi.color libfib2.so.cfi.color
 	test fib.exe.cfi.color 4 libfib.so.cfi.color libfib2.so.cfi.color
 	test fib.exe.cfi.color 5 libfib.so.cfi.color libfib2.so.cfi.color
+	test fib.exe.cfi.color 6 libfib.so.cfi.color libfib2.so.cfi.color
 
 	# some tests for different optimization levels
 	test fib.exe.cfi.color 5 libfib.so.orig libfib2.O.so.cfi