def symbolize_stacktrace(unsymbolized_crash_stacktrace,
enable_inline_frames=True):
"""Symbolize a crash stacktrace."""
if environment.is_trusted_host():
from bot.untrusted_runner import symbolize_host
return symbolize_host.symbolize_stacktrace(unsymbolized_crash_stacktrace,
enable_inline_frames)
platform = environment.platform()
if platform == 'WINDOWS':
# Windows Clang ASAN provides symbolized stacktraces anyway.
return unsymbolized_crash_stacktrace
if platform == 'FUCHSIA':
# Fuchsia Clang ASAN provides symbolized stacktraces anyway.
return unsymbolized_crash_stacktrace
# FIXME: Support symbolization on ChromeOS device.
if platform == 'CHROMEOS':
return unsymbolized_crash_stacktrace
# Initialize variables.
global llvm_symbolizer_path
global pipes
global stack_inlining
global symbolizers
pipes = []
stack_inlining = str(enable_inline_frames).lower()
symbolizers = {}
# Make sure we have a llvm symbolizer for this platform.
llvm_symbolizer_path = environment.get_llvm_symbolizer_path()
if not llvm_symbolizer_path:
return unsymbolized_crash_stacktrace
# Disable buffering for stdout.
disable_buffering()
loop = SymbolizationLoop(
binary_path_filter=filter_binary_path,
dsym_hint_producer=chrome_dsym_hints)
symbolized_crash_stacktrace = loop.process_stacktrace(
unsymbolized_crash_stacktrace)
return symbolized_crash_stacktrace
def test_symbolize(self):
"""Test symbolize."""
self._setup_env(job_type='job')
self.assertIsNotNone(build_manager.setup_build())
app_dir = environment.get_value('APP_DIR')
unsymbolized_stacktrace = (
'#0 0x4f1eb4 ({0}/app+0x4f1eb4)\n'
'#1 0x4f206e ({0}/app+0x4f206e)\n').format(app_dir)
expected_symbolized_stacktrace = (
' #0 0x4f1eb4 in Vuln(char*, unsigned long) /usr/local/google/home/'
'ochang/crashy_binary/test.cc:9:15\n'
' #1 0x4f206e in main /usr/local/google/home/ochang/crashy_binary/'
'test.cc:32:3\n')
symbolized_stacktrace = symbolize_host.symbolize_stacktrace(
unsymbolized_stacktrace)
self.assertEqual(expected_symbolized_stacktrace, symbolized_stacktrace)
