1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// Tests trace pc guard coverage collection.
//
// REQUIRES: has_sancovcc,stable-runtime,x86_64-linux
// XFAIL: tsan
//
// RUN: DIR=%t_workdir
// RUN: CLANG_ARGS="-O0 -fsanitize-coverage=trace-pc-guard"
// RUN: rm -rf $DIR
// RUN: mkdir -p $DIR
// RUN: cd $DIR
// RUN: %clangxx -DSHARED1 $CLANG_ARGS -shared %s -o %t_1.so -fPIC
// RUN: %clangxx -DSTATIC1 $CLANG_ARGS %s -c -o %t_2.o
// RUN: %clangxx -DMAIN $CLANG_ARGS %s -o %t %t_1.so %t_2.o
// RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s
// RUN: rm -rf $DIR
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
extern "C" {
int bar();
int baz();
}
#ifdef MAIN
extern "C" void __sanitizer_cov_trace_pc_guard_init(uint32_t *start, uint32_t *stop) {
fprintf(stderr, "__sanitizer_cov_trace_pc_guard_init\n");
}
extern "C" void __sanitizer_cov_trace_pc_guard(uint32_t *guard) { }
int foo() {
fprintf(stderr, "foo\n");
return 1;
}
int main() {
fprintf(stderr, "main\n");
foo();
bar();
baz();
}
#endif // MAIN
extern "C" {
#ifdef SHARED1
int bar() {
fprintf(stderr, "bar\n");
return 1;
}
#endif
#ifdef STATIC1
int baz() {
fprintf(stderr, "baz\n");
return 1;
}
#endif
} // extern "C"
// Init is called once per DSO.
// CHECK: __sanitizer_cov_trace_pc_guard_init
// CHECK-NEXT: __sanitizer_cov_trace_pc_guard_init
// CHECK-NEXT: main
// CHECK-NEXT: foo
// CHECK-NEXT: bar
// CHECK-NEXT: baz
|
