1 // RUN: %clang_dfsan %s -o %t && %run %t 2 // RUN: %clang_dfsan -mllvm -dfsan-args-abi %s -o %t && %run %t 3 4 // Tests that labels are propagated through loads and stores. 5 6 #include <sanitizer/dfsan_interface.h> 7 #include <assert.h> 8 9 int main(void) { 10 int i = 1; 11 dfsan_label i_label = dfsan_create_label("i", 0); 12 dfsan_set_label(i_label, &i, sizeof(i)); 13 14 dfsan_label new_label = dfsan_get_label(i); 15 assert(i_label == new_label); 16 17 dfsan_label read_label = dfsan_read_label(&i, sizeof(i)); 18 assert(i_label == read_label); 19 20 dfsan_label j_label = dfsan_create_label("j", 0); 21 dfsan_add_label(j_label, &i, sizeof(i)); 22 23 read_label = dfsan_read_label(&i, sizeof(i)); 24 assert(dfsan_has_label(read_label, i_label)); 25 assert(dfsan_has_label(read_label, j_label)); 26 27 return 0; 28 } 29