symbolizer-function-offset-atos.cpp
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// RUN: %clangxx %s -g -O0 -o %t-with-debug
// With debug info atos reports the source location, but no function offset. We fallback to dladdr() to retrieve the function offset.
// 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
// RUN: FileCheck -input-file=%t-with-debug.output %s
// Without debug info atos reports the function offset and so dladdr() fallback is not used.
// RUN: rm -rf %t-with-debug.dSYM
// 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
// RUN: FileCheck -input-file=%t-no-debug.output %s
#include <sanitizer/common_interface_defs.h>
#include <stdio.h>
void baz() {
printf("Do stuff in baz\n");
__sanitizer_print_stack_trace();
}
void bar() {
printf("Do stuff in bar\n");
baz();
}
void foo() {
printf("Do stuff in foo\n");
bar();
}
int main() {
printf("Do stuff in main\n");
foo();
return 0;
}
// CHECK: Using atos found at:
// These `function_offset` patterns are designed to disallow `0x0` which is the
// value printed for `kUnknown`.
// CHECK: function_name:baz{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
// CHECK: function_name:bar{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
// CHECK: function_name:foo{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
// CHECK: function_name:main{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}