compiler-rt/test/sanitizer_common/TestCases/Darwin/symbolizer-function-offset-atos.cpp

   1 // RUN: %clangxx %s -g -O0 -o %t-with-debug
   2
   3 // With debug info atos reports the source location, but no function offset. We fallback to dladdr() to retrieve the function offset.
   4 // RUN: %env_tool_opts=verbosity=2,stack_trace_format='"function_name:%f function_offset:%q"' %run %t-with-debug > %t-with-debug.output 2>&1
   5 // RUN: FileCheck -input-file=%t-with-debug.output %s
   6
   7 // Without debug info atos reports the function offset and so dladdr() fallback is not used.
   8 // RUN: rm -rf %t-with-debug.dSYM
   9 // RUN: %env_tool_opts=verbosity=2,stack_trace_format='"function_name:%f function_offset:%q"' %run %t-with-debug > %t-no-debug.output 2>&1
  10 // RUN: FileCheck -input-file=%t-no-debug.output %s
  11
  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: Using atos found at:
  37
  38 // These `function_offset` patterns are designed to disallow `0x0` which is the
  39 // value printed for `kUnknown`.
  40 // CHECK: function_name:baz{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
  41 // CHECK: function_name:bar{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
  42 // CHECK: function_name:foo{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
  43 // CHECK: function_name:main{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}