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
9#include <stdio.h>
10#include <stdint.h>
11#include <assert.h>
12
13const char *first_counter;
14
15extern "C"
16void __sanitizer_cov_8bit_counters_init(const char *start, const char *end) {
17 printf(format: "INIT: %p %p\n", start, end);
18 assert(end - start > 1);
19 first_counter = start;
20}
21
22uintptr_t FirstPC;
23uintptr_t FirstPCFlag;
24
25extern "C" void __sanitizer_cov_pcs_init(const uintptr_t *pcs_beg,
26 const uintptr_t *pcs_end) {
27 const uintptr_t *B = (const uintptr_t *)pcs_beg;
28 const uintptr_t *E = (const uintptr_t *)pcs_end;
29 assert(B + 1 < E);
30 FirstPC = B[0];
31 FirstPCFlag = B[1];
32}
33
34
35int main() {
36 assert(first_counter);
37 assert(*first_counter == 1);
38 assert(FirstPC == (uintptr_t)&main);
39 assert(FirstPCFlag == 1);
40 fprintf(stderr, format: "PASS\n");
41 // CHECK: PASS
42}
43

source code of compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cpp