compiler-rt/test/dfsan/origin_track_ld.c

   1 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=2 %s -o %t && \
   2 // RUN:     %run %t > %t.out 2>&1
   3 // RUN: FileCheck %s < %t.out
   4
   5 #include <sanitizer/dfsan_interface.h>
   6
   7 __attribute__((noinline)) uint64_t foo(uint64_t a, uint64_t b) { return a + b; }
   8
   9 int main(int argc, char *argv[]) {
  10   uint64_t a = 10;
  11   uint64_t b = 20;
  12   dfsan_set_label(8, &a, sizeof(a));
  13   uint64_t c = foo(a, b);
  14   dfsan_print_origin_trace(&c, NULL);
  15 }
  16
  17 // CHECK: Taint value 0x8 {{.*}} origin tracking ()
  18 // CHECK: Origin value: {{.*}}, Taint value was stored to memory at
  19 // CHECK: #0 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-6]]
  20
  21 // CHECK: Origin value: {{.*}}, Taint value was stored to memory at
  22 // CHECK: #0 {{.*}} in foo.dfsan {{.*}}origin_track_ld.c:[[@LINE-15]]
  23 // CHECK: #1 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-10]]
  24
  25 // CHECK: Origin value: {{.*}}, Taint value was stored to memory at
  26 // CHECK: #0 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-13]]
  27
  28 // CHECK: Origin value: {{.*}}, Taint value was created at
  29 // CHECK: #0 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-17]]