| // XFAIL: * |
| |
| // RUN: %clangxx_cfi -o %t %s |
| // RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s |
| |
| // RUN: %clangxx_cfi -DB32 -o %t %s |
| // RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s |
| |
| // RUN: %clangxx_cfi -DB64 -o %t %s |
| // RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s |
| |
| // RUN: %clangxx_cfi -DBM -o %t %s |
| // RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s |
| |
| // RUN: %clangxx -o %t %s |
| // RUN: %t 2>&1 | FileCheck --check-prefix=NCFI %s |
| |
| // Tests that the CFI enforcement distinguishes betwen non-overriding siblings. |
| // XFAILed as not implemented yet. |
| |
| #include <stdio.h> |
| #include "utils.h" |
| |
| struct A { |
| virtual void f(); |
| }; |
| |
| void A::f() {} |
| |
| struct B : A { |
| virtual void f(); |
| }; |
| |
| void B::f() {} |
| |
| struct C : A { |
| }; |
| |
| int main() { |
| #ifdef B32 |
| break_optimization(new Deriver<B, 0>); |
| #endif |
| |
| #ifdef B64 |
| break_optimization(new Deriver<B, 0>); |
| break_optimization(new Deriver<B, 1>); |
| #endif |
| |
| #ifdef BM |
| break_optimization(new Deriver<B, 0>); |
| break_optimization(new Deriver<B, 1>); |
| break_optimization(new Deriver<B, 2>); |
| #endif |
| |
| B *b = new B; |
| break_optimization(b); |
| |
| // CFI: 1 |
| // NCFI: 1 |
| fprintf(stderr, "1\n"); |
| |
| ((C *)b)->f(); // UB here |
| |
| // CFI-NOT: 2 |
| // NCFI: 2 |
| fprintf(stderr, "2\n"); |
| } |