compiler-rt/test/asan/TestCases/Darwin/symbolizer-function-offset-dladdr.cpp

   1 // FIXME(dliew): Duplicated from `test/sanitizer_common/TestCases/Darwin/symbolizer-function-offset-dladdr.cpp`.
   2 // This case can be dropped once sanitizer_common tests work on iOS devices (rdar://problem/47333049).
   3
   4 // NOTE: `detect_leaks=0` is necessary because with LSan enabled the dladdr
   5 // symbolizer actually leaks memory because the call to
   6 // `__sanitizer::DemangleCXXABI` leaks memory which LSan detects
   7 // (rdar://problem/42868950).
   8
   9 // RUN: %clangxx_asan %s -O0 -o %t
  10 // RUN: %env_asan_opts=detect_leaks=0,verbosity=2,external_symbolizer_path=,stack_trace_format='"function_name_%f___function_offset_%q"' %run %t > %t.output 2>&1
  11 // RUN: FileCheck -input-file=%t.output %s
  12 #include <sanitizer/common_interface_defs.h>
  13 #include <stdio.h>
  14
  15 void baz() {
  16   printf("Do stuff in baz\n");
  17   __sanitizer_print_stack_trace();
  18 }
  19
  20 void bar() {
  21   printf("Do stuff in bar\n");
  22   baz();
  23 }
  24
  25 void foo() {
  26   printf("Do stuff in foo\n");
  27   bar();
  28 }
  29
  30 int main() {
  31   printf("Do stuff in main\n");
  32   foo();
  33   return 0;
  34 }
  35
  36 // CHECK: External symbolizer is explicitly disabled
  37 // CHECK: Using dladdr symbolizer
  38
  39 // These `function_offset` patterns are designed to disallow `0x0` which is the
  40 // value printed for `kUnknown`.
  41 // CHECK: function_name_baz{{(\(\))?}}___function_offset_0x{{0*[1-9a-f][0-9a-f]*$}}
  42 // CHECK: function_name_bar{{(\(\))?}}___function_offset_0x{{0*[1-9a-f][0-9a-f]*$}}
  43 // CHECK: function_name_foo{{(\(\))?}}___function_offset_0x{{0*[1-9a-f][0-9a-f]*$}}
  44 // CHECK: function_name_main{{(\(\))?}}___function_offset_0x{{0*[1-9a-f][0-9a-f]*$}}