1 | // XFAIL: * |
2 | |
3 | // RUN: %clangxx_cfi -o %t1 %s |
4 | // RUN: %expect_crash %run %t1 2>&1 | FileCheck --check-prefix=CFI %s |
5 | |
6 | // RUN: %clangxx_cfi -DB32 -o %t2 %s |
7 | // RUN: %expect_crash %run %t2 2>&1 | FileCheck --check-prefix=CFI %s |
8 | |
9 | // RUN: %clangxx_cfi -DB64 -o %t3 %s |
10 | // RUN: %expect_crash %run %t3 2>&1 | FileCheck --check-prefix=CFI %s |
11 | |
12 | // RUN: %clangxx_cfi -DBM -o %t4 %s |
13 | // RUN: %expect_crash %run %t4 2>&1 | FileCheck --check-prefix=CFI %s |
14 | |
15 | // RUN: %clangxx -o %t5 %s |
16 | // RUN: %run %t5 2>&1 | FileCheck --check-prefix=NCFI %s |
17 | |
18 | // Tests that the CFI enforcement distinguishes between non-overriding siblings. |
19 | // XFAILed as not implemented yet. |
20 | |
21 | #include <stdio.h> |
22 | #include "utils.h" |
23 | |
24 | struct A { |
25 | virtual void f(); |
26 | }; |
27 | |
28 | void A::f() {} |
29 | |
30 | struct B : A { |
31 | virtual void f(); |
32 | }; |
33 | |
34 | void B::f() {} |
35 | |
36 | struct C : A { |
37 | }; |
38 | |
39 | int main() { |
40 | create_derivers<B>(); |
41 | |
42 | B *b = new B; |
43 | break_optimization(arg: b); |
44 | |
45 | // CFI: 1 |
46 | // NCFI: 1 |
47 | fprintf(stderr, format: "1\n" ); |
48 | |
49 | ((C *)b)->f(); // UB here |
50 | |
51 | // CFI-NOT: 2 |
52 | // NCFI: 2 |
53 | fprintf(stderr, format: "2\n" ); |
54 | } |
55 | |