1// Tests -fsanitize-coverage=inline-bool-flag,pc-table
2//
3// REQUIRES: has_sancovcc,stable-runtime
4// UNSUPPORTED: i386-darwin, x86_64-darwin
5//
6// RUN: %clangxx -O0 %s -fsanitize-coverage=inline-bool-flag,pc-table -o %t
7// RUN: %run %t 2>&1 | FileCheck %s
8
9#include <assert.h>
10#include <stdint.h>
11#include <stdio.h>
12
13const bool *first_flag;
14
15extern "C" void __sanitizer_cov_bool_flag_init(const bool *start,
16 const bool *end) {
17 printf(format: "INIT: %p %p\n", start, end);
18 assert(end - start > 1);
19 first_flag = 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
34int main() {
35 assert(first_flag);
36 assert(*first_flag);
37 assert(FirstPC == (uintptr_t)&main);
38 assert(FirstPCFlag == 1);
39 fprintf(stderr, format: "PASS\n");
40 // CHECK: PASS
41}
42

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