xref: /llvm-project/compiler-rt/test/sanitizer_common/TestCases/symbolize_pc.cpp (revision 7be84ba914c2474e2e1439a6796364a76313ef05)
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 
6 // FIXME: Investigate why it does not print GLOBAL_VAR_ABC.
7 // XFAIL: hwasan && target=aarch64{{.*}}
8 // LSan tests fail on Darwin
9 // UNSUPPORTED: darwin && lsan
10 // tsan and ubsan are supported on darwin, but they currently fail
11 // on some platforms likely because the test platform is too old
12 // UNSUPPORTED: darwin && tsan
13 // UNSUPPORTED: darwin && ubsan
14 
15 #include <stdio.h>
16 #include <sanitizer/common_interface_defs.h>
17 
18 int GLOBAL_VAR_ABC;
19 
SymbolizeSmallBuffer()20 void SymbolizeSmallBuffer() {
21   char data[] = "abcdef";
22   __sanitizer_symbolize_pc(__sanitizer_return_address(), "%p %F %L", data, 0);
23   printf("UNCHANGED '%s'\n", data);
24   __sanitizer_symbolize_pc(__sanitizer_return_address(), "%p %F %L", data, 1);
25   printf("EMPTY '%s'\n", data);
26   __sanitizer_symbolize_pc(__sanitizer_return_address(), "%p %F %L", data,
27                            sizeof(data));
28   printf("PARTIAL '%s'\n", data);
29 }
30 
SymbolizeCaller()31 void SymbolizeCaller() {
32   char data[100];
33   __sanitizer_symbolize_pc(__sanitizer_return_address(), "%p %F %L", data,
34                            sizeof(data));
35   printf("FIRST_FORMAT %s\n", data);
36   __sanitizer_symbolize_pc(__sanitizer_return_address(),
37                            "FUNC:%f LINE:%l FILE:%s", data, sizeof(data));
38   printf("SECOND_FORMAT %s\n", data);
39   __sanitizer_symbolize_pc(__sanitizer_return_address(),
40                            "LOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO"
41                            "OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO"
42                            "OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO"
43                            "OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO"
44                            "OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOONG"
45                            "FUNC:%f LINE:%l FILE:%s",
46                            data, sizeof(data));
47   printf("LONG_FORMAT %s\n", data);
48 }
49 
50 struct s {
51   int i;
52 };
53 
SymbolizeSRet()54 struct s SymbolizeSRet() {
55   char data[100];
56   __sanitizer_symbolize_pc(__sanitizer_return_address(),
57                            "FUNC:%f LINE:%l FILE:%s", data, sizeof(data));
58   printf("SRET: %s\n", data);
59   struct s s = {1};
60   return s;
61 }
62 
SymbolizeData()63 void SymbolizeData() {
64   char data[100];
65   __sanitizer_symbolize_global(&GLOBAL_VAR_ABC, "%g %s:%l", data, sizeof(data));
66   printf("GLOBAL: %s\n", data);
67 }
68 
main()69 int main() {
70   // CHECK: UNCHANGED 'abcdef'
71   // CHECK: EMPTY ''
72   // CHECK: PARTIAL '0x{{.*}}'
73   SymbolizeSmallBuffer();
74 
75   // CHECK: FIRST_FORMAT 0x{{.*}} in main symbolize_pc.cpp:[[@LINE+2]]
76   // CHECK: SECOND_FORMAT FUNC:main LINE:[[@LINE+1]] FILE:symbolize_pc.cpp
77   SymbolizeCaller();
78 
79   struct s s;
80   // CHECK: SRET: FUNC:main LINE:[[@LINE+1]] FILE:symbolize_pc.cpp
81   s = SymbolizeSRet();
82 
83   // CHECK: GLOBAL: GLOBAL_VAR_ABC
84   SymbolizeData();
85 }
86