| # Copyright (C) 2013 Google Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| import cgi |
| import logging |
| import threading |
| import Queue |
| |
| from webkitpy.common.webkit_finder import WebKitFinder |
| from webkitpy.layout_tests.breakpad.dump_reader import DumpReader |
| |
| |
| _log = logging.getLogger(__name__) |
| |
| |
| class DumpReaderMultipart(DumpReader): |
| """Base class for Linux and Android breakpad dump reader.""" |
| |
| def __init__(self, host, build_dir): |
| super(DumpReaderMultipart, self).__init__(host, build_dir) |
| self._webkit_finder = WebKitFinder(host.filesystem) |
| self._breakpad_tools_available = None |
| self._generated_symbols = False |
| |
| def check_is_functional(self): |
| return self._check_breakpad_tools_available() |
| |
| def _get_pid_from_dump(self, dump_file): |
| dump = self._read_dump(dump_file) |
| if not dump: |
| return None |
| if 'pid' in dump: |
| return dump['pid'][0] |
| return None |
| |
| def _get_stack_from_dump(self, dump_file): |
| dump = self._read_dump(dump_file) |
| if not dump: |
| return None |
| if not 'upload_file_minidump' in dump: |
| return None |
| |
| self._generate_breakpad_symbols_if_necessary() |
| f, temp_name = self._host.filesystem.open_binary_tempfile('dmp') |
| f.write("\r\n".join(dump['upload_file_minidump'])) |
| f.close() |
| |
| cmd = [self._path_to_minidump_stackwalk(), temp_name, self._symbols_dir()] |
| try: |
| stack = self._host.executive.run_command(cmd, return_stderr=False) |
| except: |
| _log.warning('Failed to execute "%s"' % ' '.join(cmd)) |
| stack = None |
| finally: |
| self._host.filesystem.remove(temp_name) |
| return stack |
| |
| def _read_dump(self, dump_file): |
| with self._host.filesystem.open_binary_file_for_reading(dump_file) as f: |
| boundary = f.readline().strip()[2:] |
| f.seek(0) |
| try: |
| data = cgi.parse_multipart(f, {'boundary': boundary}) |
| return data |
| except: |
| pass |
| return None |
| |
| def _check_breakpad_tools_available(self): |
| if self._breakpad_tools_available != None: |
| return self._breakpad_tools_available |
| |
| REQUIRED_BREAKPAD_TOOLS = [ |
| 'dump_syms', |
| 'minidump_stackwalk', |
| ] |
| result = True |
| for binary in REQUIRED_BREAKPAD_TOOLS: |
| full_path = self._host.filesystem.join(self._build_dir, binary) |
| if not self._host.filesystem.exists(full_path): |
| result = False |
| _log.error('Unable to find %s' % binary) |
| _log.error(' at %s' % full_path) |
| |
| if not result: |
| _log.error(" Could not find breakpad tools, unexpected crashes won't be symbolized") |
| _log.error(' Did you build the target blink_tests?') |
| _log.error('') |
| |
| self._breakpad_tools_available = result |
| return self._breakpad_tools_available |
| |
| def _path_to_minidump_stackwalk(self): |
| return self._host.filesystem.join(self._build_dir, "minidump_stackwalk") |
| |
| def _path_to_generate_breakpad_symbols(self): |
| return self._webkit_finder.path_from_chromium_base("components", "crash", "tools", "generate_breakpad_symbols.py") |
| |
| def _symbols_dir(self): |
| return self._host.filesystem.join(self._build_dir, 'content_shell.syms') |
| |
| def _generate_breakpad_symbols_if_necessary(self): |
| if self._generated_symbols: |
| return |
| self._generated_symbols = True |
| |
| _log.debug("Generating breakpad symbols") |
| queue = Queue.Queue() |
| thread = threading.Thread(target=_symbolize_keepalive, args=(queue,)) |
| thread.start() |
| try: |
| for binary in self._binaries_to_symbolize(): |
| _log.debug(' Symbolizing %s' % binary) |
| full_path = self._host.filesystem.join(self._build_dir, binary) |
| cmd = [ |
| self._path_to_generate_breakpad_symbols(), |
| '--binary=%s' % full_path, |
| '--symbols-dir=%s' % self._symbols_dir(), |
| '--build-dir=%s' % self._build_dir, |
| ] |
| try: |
| self._host.executive.run_command(cmd) |
| except: |
| _log.error('Failed to execute "%s"' % ' '.join(cmd)) |
| finally: |
| queue.put(None) |
| thread.join() |
| _log.debug("Done generating breakpad symbols") |
| |
| def _binaries_to_symbolize(self): |
| """This routine must be implemented by subclasses. |
| |
| Returns an array of binaries that need to be symbolized.""" |
| raise NotImplementedError() |
| |
| |
| def _symbolize_keepalive(queue): |
| while True: |
| _log.debug("waiting for symbolize to complete") |
| try: |
| msg = queue.get(block=True, timeout=60) |
| return |
| except Queue.Empty: |
| pass |
| |
| |
| class DumpReaderLinux(DumpReaderMultipart): |
| """Linux breakpad dump reader.""" |
| |
| def _binaries_to_symbolize(self): |
| return ['content_shell', 'libtest_netscape_plugin.so', 'libffmpegsumo.so', 'libosmesa.so'] |
| |
| def _file_extension(self): |
| return 'dmp' |
| |
| |
| class DumpReaderAndroid(DumpReaderMultipart): |
| """Android breakpad dump reader.""" |
| |
| def _binaries_to_symbolize(self): |
| return ['lib/libcontent_shell_content_view.so'] |
| |
| def _file_extension(self): |
| return 'dmp' |
