mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-28 08:16:09 +03:00
105 lines
3.3 KiB
Python
105 lines
3.3 KiB
Python
# Copyright 2017 The Chromium Authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
|
|
import logging
|
|
import os
|
|
import re
|
|
import shutil
|
|
import tempfile
|
|
import zipfile
|
|
|
|
from devil.utils import cmd_helper
|
|
from pylib import constants
|
|
|
|
_STACK_TOOL = os.path.join(os.path.dirname(__file__), '..', '..', '..', '..',
|
|
'third_party', 'android_platform', 'development',
|
|
'scripts', 'stack')
|
|
ABI_REG = re.compile('ABI: \'(.+?)\'')
|
|
|
|
|
|
def _DeviceAbiToArch(device_abi):
|
|
# The order of this list is significant to find the more specific match
|
|
# (e.g., arm64) before the less specific (e.g., arm).
|
|
arches = ['arm64', 'arm', 'x86_64', 'x86_64', 'x86', 'mips']
|
|
for arch in arches:
|
|
if arch in device_abi:
|
|
return arch
|
|
raise RuntimeError('Unknown device ABI: %s' % device_abi)
|
|
|
|
|
|
class Symbolizer(object):
|
|
"""A helper class to symbolize stack."""
|
|
|
|
def __init__(self, apk_under_test=None,
|
|
enable_relocation_packing=None):
|
|
self._apk_under_test = apk_under_test
|
|
self._enable_relocation_packing = enable_relocation_packing
|
|
self._libs_dir = None
|
|
self._apk_libs = []
|
|
self._has_unzipped = False
|
|
|
|
|
|
def __del__(self):
|
|
if self._libs_dir:
|
|
logging.warning('Please call stack_symbolizer\'s'
|
|
' CleanUp method before it goes out of scope.')
|
|
self.CleanUp()
|
|
|
|
|
|
def CleanUp(self):
|
|
"""Clean up the temporary directory of apk libs."""
|
|
if self._libs_dir:
|
|
shutil.rmtree(self._libs_dir)
|
|
self._libs_dir = None
|
|
|
|
|
|
def UnzipAPKIfNecessary(self):
|
|
"""Unzip apk if packed relocation is enabled."""
|
|
if (self._has_unzipped
|
|
or not self._enable_relocation_packing
|
|
or not self._apk_under_test):
|
|
return
|
|
self._libs_dir = tempfile.mkdtemp()
|
|
with zipfile.ZipFile(self._apk_under_test) as z:
|
|
for name in z.namelist():
|
|
if name.endswith('.so'):
|
|
self._apk_libs.append(z.extract(name, self._libs_dir))
|
|
|
|
self._has_unzipped = True
|
|
|
|
|
|
def ExtractAndResolveNativeStackTraces(self, data_to_symbolize,
|
|
device_abi, include_stack=True):
|
|
"""Run the stack tool for given input.
|
|
|
|
Args:
|
|
data_to_symbolize: a list of strings to symbolize.
|
|
include_stack: boolean whether to include stack data in output.
|
|
device_abi: the default ABI of the device which generated the tombstone.
|
|
|
|
Yields:
|
|
A string for each line of resolved stack output.
|
|
"""
|
|
self.UnzipAPKIfNecessary()
|
|
arch = _DeviceAbiToArch(device_abi)
|
|
if not arch:
|
|
logging.warning('No device_abi can be found.')
|
|
return
|
|
|
|
cmd = [_STACK_TOOL, '--arch', arch, '--output-directory',
|
|
constants.GetOutDirectory(), '--more-info']
|
|
if self._enable_relocation_packing and self._apk_libs:
|
|
for apk_lib in self._apk_libs:
|
|
cmd.extend(['--packed-lib', apk_lib])
|
|
env = dict(os.environ)
|
|
env['PYTHONDONTWRITEBYTECODE'] = '1'
|
|
with tempfile.NamedTemporaryFile() as f:
|
|
f.write('\n'.join(data_to_symbolize))
|
|
f.flush()
|
|
_, output = cmd_helper.GetCmdStatusAndOutput(cmd + [f.name], env=env)
|
|
for line in output.splitlines():
|
|
if not include_stack and 'Stack Data:' in line:
|
|
break
|
|
yield line
|