1 // RUN: %clangxx -O0 %s -o %t
2 // RUN: %env_tool_opts=strip_path_prefix=/TestCases/ %run %t 2>&1 | FileCheck %s
3 //
4 // Tests __sanitizer_symbolize_pc.
5 #include <stdio.h>
6 #include <sanitizer/common_interface_defs.h>
7
8 int GLOBAL_VAR_ABC;
9
SymbolizeSmallBuffer()10 void SymbolizeSmallBuffer() {
11 char data[] = "abcdef";
12 __sanitizer_symbolize_pc(__sanitizer_return_address(), "%p %F %L", data, 0);
13 printf("UNCHANGED '%s'\n", data);
14 __sanitizer_symbolize_pc(__sanitizer_return_address(), "%p %F %L", data, 1);
15 printf("EMPTY '%s'\n", data);
16 __sanitizer_symbolize_pc(__sanitizer_return_address(), "%p %F %L", data,
17 sizeof(data));
18 printf("PARTIAL '%s'\n", data);
19 }
20
SymbolizeCaller()21 void SymbolizeCaller() {
22 char data[100];
23 __sanitizer_symbolize_pc(__sanitizer_return_address(), "%p %F %L", data,
24 sizeof(data));
25 printf("FIRST_FORMAT %s\n", data);
26 __sanitizer_symbolize_pc(__sanitizer_return_address(),
27 "FUNC:%f LINE:%l FILE:%s", data, sizeof(data));
28 printf("SECOND_FORMAT %s\n", data);
29 __sanitizer_symbolize_pc(__sanitizer_return_address(),
30 "LOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO"
31 "OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO"
32 "OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO"
33 "OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO"
34 "OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOONG"
35 "FUNC:%f LINE:%l FILE:%s",
36 data, sizeof(data));
37 printf("LONG_FORMAT %s\n", data);
38 }
39
40 struct s {
41 int i;
42 };
43
SymbolizeSRet()44 struct s SymbolizeSRet() {
45 char data[100];
46 __sanitizer_symbolize_pc(__sanitizer_return_address(),
47 "FUNC:%f LINE:%l FILE:%s", data, sizeof(data));
48 printf("SRET: %s\n", data);
49 struct s s = {1};
50 return s;
51 }
52
SymbolizeData()53 void SymbolizeData() {
54 char data[100];
55 __sanitizer_symbolize_global(&GLOBAL_VAR_ABC, "%g %s:%l", data, sizeof(data));
56 printf("GLOBAL: %s\n", data);
57 }
58
main()59 int main() {
60 // CHECK: UNCHANGED 'abcdef'
61 // CHECK: EMPTY ''
62 // CHECK: PARTIAL '0x{{.*}}'
63 SymbolizeSmallBuffer();
64
65 // CHECK: FIRST_FORMAT 0x{{.*}} in main symbolize_pc.cpp:[[@LINE+2]]
66 // CHECK: SECOND_FORMAT FUNC:main LINE:[[@LINE+1]] FILE:symbolize_pc.cpp
67 SymbolizeCaller();
68
69 struct s s;
70 // CHECK: SRET: FUNC:main LINE:[[@LINE+1]] FILE:symbolize_pc.cpp
71 s = SymbolizeSRet();
72
73 // CHECK: GLOBAL: GLOBAL_VAR_ABC
74 SymbolizeData();
75 }
76