llvm-project/compiler-rt/test/dfsan/flush.c
Fangrui Song 975327a609 [dfsan][test] Replace REQUIRES: x86_64-target-arch with lit.cfg.py check
Make it easier to support a new architecture.

Reviewed By: #sanitizers, vitalybuka

Differential Revision: https://reviews.llvm.org/D140744
2022-12-28 15:35:09 -08:00

39 lines
987 B
C

// Tests dfsan_flush().
// RUN: %clang_dfsan %s -o %t && %run %t
// RUN: %clang_dfsan -DORIGIN_TRACKING -mllvm -dfsan-track-origins=1 %s -o %t && %run %t
#include <sanitizer/dfsan_interface.h>
#include <assert.h>
#include <stdlib.h>
int global;
int main() {
int local;
int *heap = (int*)malloc(sizeof(int));
dfsan_set_label(10, &global, sizeof(global));
dfsan_set_label(20, &local, sizeof(local));
dfsan_set_label(30, heap, sizeof(*heap));
assert(dfsan_get_label(global) == 10);
assert(dfsan_get_label(local) == 20);
assert(dfsan_get_label(*heap) == 30);
#ifdef ORIGIN_TRACKING
assert(dfsan_get_origin(global));
assert(dfsan_get_origin(local));
assert(dfsan_get_origin(*heap));
#endif
dfsan_flush();
assert(dfsan_get_label(global) == 0);
assert(dfsan_get_label(local) == 0);
assert(dfsan_get_label(*heap) == 0);
assert(dfsan_get_origin(global) == 0);
assert(dfsan_get_origin(local) == 0);
assert(dfsan_get_origin(*heap) == 0);
free(heap);
}