1 // Tests -fsanitize-coverage=inline-8bit-counters,pc-table
2 //
3 // REQUIRES: has_sancovcc,stable-runtime
4 // UNSUPPORTED: i386-darwin
5 //
6 // RUN: %clangxx -O0 %s -fsanitize-coverage=inline-8bit-counters,pc-table -o %t
7 // RUN: %run %t 2>&1 | FileCheck %s
8 // XFAIL: tsan
9 
10 #include <stdio.h>
11 #include <stdint.h>
12 #include <assert.h>
13 
14 const char *first_counter;
15 
16 extern "C"
17 void __sanitizer_cov_8bit_counters_init(const char *start, const char *end) {
18   printf("INIT: %p %p\n", start, end);
19   assert(end - start > 1);
20   first_counter = start;
21 }
22 
23 uintptr_t FirstPC;
24 uintptr_t FirstPCFlag;
25 
26 extern "C" void __sanitizer_cov_pcs_init(const uintptr_t *pcs_beg,
27                                          const uintptr_t *pcs_end) {
28   const uintptr_t *B = (const uintptr_t *)pcs_beg;
29   const uintptr_t *E = (const uintptr_t *)pcs_end;
30   assert(B + 1 < E);
31   FirstPC = B[0];
32   FirstPCFlag = B[1];
33 }
34 
35 
36 int main() {
37   assert(first_counter);
38   assert(*first_counter == 1);
39   assert(FirstPC == (uintptr_t)&main);
40   assert(FirstPCFlag == 1);
41   fprintf(stderr, "PASS\n");
42   // CHECK: PASS
43 }
44