CFI: Run the tests only on supported architectures/OSs.

Specifically, only run the cfi-icall tests on x86/x86_64, and add
an XFAIL for darwin.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@247325 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 27 insertions, 0 deletions

diff --git a/test/cfi/icall/bad-signature.c b/test/cfi/icall/bad-signature.c
new file mode 100644
index 000000000..43de1178f
--- /dev/null
+++ b/test/cfi/icall/bad-signature.c
@@ -0,0 +1,27 @@
+// RUN: %clangxx -o %t1 %s
+// RUN: %t1 2>&1 | FileCheck --check-prefix=NCFI %s
+
+// RUN: %clangxx_cfi -o %t2 %s
+// RUN: %expect_crash %t2 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi_diag -g -o %t3 %s
+// RUN: %t3 2>&1 | FileCheck --check-prefix=CFI-DIAG %s
+
+#include <stdio.h>
+
+void f() {
+}
+
+int main() {
+  // CFI: 1
+  // NCFI: 1
+  fprintf(stderr, "1\n");
+
+  // CFI-DIAG: runtime error: control flow integrity check for type 'void (int)' failed during indirect function call
+  // CFI-DIAG: f() defined here
+  ((void (*)(int))f)(42); // UB here
+
+  // CFI-NOT: 2
+  // NCFI: 2
+  fprintf(stderr, "2\n");
+}