| Peter Collingbourne | 5cbab07 | 2013-08-07 22:47:26 +0000 | [diff] [blame^] | 1 | // RUN: %clang_dfsan -m64 %s -o %t && %t |
| 2 | |
| 3 | // Tests that labels are propagated through function calls. |
| 4 | |
| 5 | #include <sanitizer/dfsan_interface.h> |
| 6 | #include <assert.h> |
| 7 | |
| 8 | int f(int x) { |
| 9 | int j = 2; |
| 10 | dfsan_label j_label = dfsan_create_label("j", 0); |
| 11 | dfsan_set_label(j_label, &j, sizeof(j)); |
| 12 | return x + j; |
| 13 | } |
| 14 | |
| 15 | int main(void) { |
| 16 | int i = 1; |
| 17 | dfsan_label i_label = dfsan_create_label("i", 0); |
| 18 | dfsan_set_label(i_label, &i, sizeof(i)); |
| 19 | |
| 20 | dfsan_label ij_label = dfsan_get_label(f(i)); |
| 21 | assert(dfsan_has_label(ij_label, i_label)); |
| 22 | assert(dfsan_has_label_with_desc(ij_label, "j")); |
| 23 | |
| 24 | return 0; |
| 25 | } |