| Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 1 | // RUN: %clangxx -o %t1 %s |
| 2 | // RUN: %t1 2>&1 | FileCheck --check-prefix=NCFI %s |
| 3 | |
| 4 | // RUN: %clangxx_cfi -o %t2 %s |
| 5 | // RUN: %expect_crash %t2 2>&1 | FileCheck --check-prefix=CFI %s |
| 6 | |
| 7 | // RUN: %clangxx_cfi_diag -g -o %t3 %s |
| 8 | // RUN: %t3 2>&1 | FileCheck --check-prefix=CFI-DIAG %s |
| 9 | |
| 10 | #include <stdio.h> |
| 11 | |
| 12 | void f() { |
| 13 | } |
| 14 | |
| 15 | int main() { |
| 16 | // CFI: 1 |
| 17 | // NCFI: 1 |
| 18 | fprintf(stderr, "1\n"); |
| 19 | |
| 20 | // CFI-DIAG: runtime error: control flow integrity check for type 'void (int)' failed during indirect function call |
| 21 | // CFI-DIAG: f() defined here |
| 22 | ((void (*)(int))f)(42); // UB here |
| 23 | |
| 24 | // CFI-NOT: 2 |
| 25 | // NCFI: 2 |
| 26 | fprintf(stderr, "2\n"); |
| 27 | } |