1// UNSUPPORTED: lsan
2// This test fails with LSan enabled because the dladdr symbolizer actually leaks
3// memory because the call to `__sanitizer::DemangleCXXABI` leaks memory which LSan
4// detects (rdar://problem/42868950).
5
6// RUN: %clangxx %s -O0 -o %t
7// RUN: %env_tool_opts=verbosity=2,external_symbolizer_path=,stack_trace_format='"function_name:%f function_offset:%q"' %run %t > %t.output 2>&1
8// RUN: FileCheck -input-file=%t.output %s
9#include <sanitizer/common_interface_defs.h>
10#include <stdio.h>
11
12void baz() {
13 printf(format: "Do stuff in baz\n");
14 __sanitizer_print_stack_trace();
15}
16
17void bar() {
18 printf(format: "Do stuff in bar\n");
19 baz();
20}
21
22void foo() {
23 printf(format: "Do stuff in foo\n");
24 bar();
25}
26
27int main() {
28 printf(format: "Do stuff in main\n");
29 foo();
30 return 0;
31}
32
33// CHECK: External symbolizer is explicitly disabled
34// CHECK: Using dladdr symbolizer
35
36// These `function_offset` patterns are designed to disallow `0x0` which is the
37// value printed for `kUnknown`.
38// CHECK: function_name:baz{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
39// CHECK: function_name:bar{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
40// CHECK: function_name:foo{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
41// CHECK: function_name:main{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
42

source code of compiler-rt/test/sanitizer_common/TestCases/Darwin/symbolizer-function-offset-dladdr.cpp