1// Tests trace pc guard coverage collection.
2//
3// REQUIRES: has_sancovcc,stable-runtime,x86_64-linux
4//
5// RUN: rm -rf %t_workdir
6// RUN: mkdir -p %t_workdir
7// RUN: cd %t_workdir
8// RUN: %clangxx -DSHARED1 -O0 -fsanitize-coverage=trace-pc-guard -shared %s -o %t_1.so -fPIC
9// RUN: %clangxx -DSTATIC1 -O0 -fsanitize-coverage=trace-pc-guard %s -c -o %t_2.o
10// RUN: %clangxx -DMAIN -O0 -fsanitize-coverage=trace-pc-guard %s -o %t %t_1.so %t_2.o
11// RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s
12// RUN: rm -rf %t_workdir
13
14#include <stdio.h>
15#include <stdint.h>
16#include <stdlib.h>
17
18extern "C" {
19 int bar();
20 int baz();
21}
22
23#ifdef MAIN
24
25extern "C" void __sanitizer_cov_trace_pc_guard_init(uint32_t *start, uint32_t *stop) {
26 fprintf(stderr, "__sanitizer_cov_trace_pc_guard_init\n");
27}
28
29extern "C" void __sanitizer_cov_trace_pc_guard(uint32_t *guard) { }
30
31
32int foo() {
33 fprintf(stderr, "foo\n");
34 return 1;
35}
36
37int main() {
38 fprintf(stderr, "main\n");
39 foo();
40 bar();
41 baz();
42}
43
44#endif // MAIN
45
46extern "C" {
47
48#ifdef SHARED1
49int bar() {
50 fprintf(stderr, "bar\n");
51 return 1;
52}
53#endif
54
55#ifdef STATIC1
56int baz() {
57 fprintf(stderr, "baz\n");
58 return 1;
59}
60#endif
61
62} // extern "C"
63
64// Init is called once per DSO.
65// CHECK: __sanitizer_cov_trace_pc_guard_init
66// CHECK-NEXT: __sanitizer_cov_trace_pc_guard_init
67// CHECK-NEXT: main
68// CHECK-NEXT: foo
69// CHECK-NEXT: bar
70// CHECK-NEXT: baz
71

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