1// Tests trace pc guard coverage collection.
2
3// REQUIRES: has_sancovcc
4// Doesn't work on big-endian targets.
5// UNSUPPORTED: ubsan,target={{(powerpc64|s390x|sparc|thumb).*}}
6// XFAIL: tsan,darwin
7// XFAIL: android && asan
8
9// RUN: rm -rf %t_workdir
10// RUN: mkdir -p %t_workdir
11// RUN: cd %t_workdir
12// RUN: %clangxx -DSHARED1 -O0 -fsanitize-coverage=trace-pc-guard -shared %s -o %t_1.so -fPIC
13// RUN: %clangxx -DSHARED2 -O0 -fsanitize-coverage=trace-pc-guard -shared %s -o %t_2.so -fPIC
14// RUN: %clangxx -DMAIN -O0 -fsanitize-coverage=trace-pc-guard %s -o %t %t_1.so %t_2.so
15// RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s
16// RUN: %sancovcc -covered-functions -strip_path_prefix=TestCases/ *.sancov \
17// RUN: %t %t_1.so %t_2.so 2>&1 | \
18// RUN: FileCheck --check-prefix=CHECK-SANCOV %s
19// RUN: rm -rf %t_workdir
20
21#include <stdio.h>
22
23extern "C" {
24 int bar();
25 int baz();
26}
27
28#ifdef MAIN
29
30int foo() {
31 fprintf(stderr, "foo\n");
32 return 1;
33}
34
35int main() {
36 fprintf(stderr, "main\n");
37 foo();
38 bar();
39 baz();
40}
41
42#endif // MAIN
43
44extern "C" {
45
46#ifdef SHARED1
47int bar() {
48 fprintf(stderr, "bar\n");
49 return 1;
50}
51#endif
52
53#ifdef SHARED2
54int baz() {
55 fprintf(stderr, "baz\n");
56 return 1;
57}
58#endif
59
60} // extern "C"
61
62// CHECK: main
63// CHECK-NEXT: foo
64// CHECK-NEXT: bar
65// CHECK-NEXT: baz
66// CHECK-DAG: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.{{.*}}.sancov: 2 PCs written
67// CHECK-DAG: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.{{.*}}_2.so.{{.*}}.sancov: 1 PCs written
68// CHECK-DAG: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.{{.*}}_1.so.{{.*}}.sancov: 1 PCs written
69//
70// CHECK-SANCOV: Ignoring {{.*}}_1.so and its coverage because __sanitizer_cov* functions were not found.
71// CHECK-SANCOV: Ignoring {{.*}}_2.so and its coverage because __sanitizer_cov* functions were not found.
72// CHECK-SANCOV-NEXT: sanitizer_coverage_trace_pc_guard-dso.cpp:[[@LINE-42]] foo
73// CHECK-SANCOV-NEXT: sanitizer_coverage_trace_pc_guard-dso.cpp:[[@LINE-38]] main
74

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