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115 lines
3.4 KiB
Python
Executable File
115 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import collections
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import optparse
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import os
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import re
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import sys
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from pylib import constants
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from pylib.constants import host_paths
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# Uses symbol.py from third_party/android_platform, not python's.
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with host_paths.SysPath(
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host_paths.ANDROID_PLATFORM_DEVELOPMENT_SCRIPTS_PATH,
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position=0):
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import symbol
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_RE_ASAN = re.compile(r'(.*?)(#\S*?)\s+(\S*?)\s+\((.*?)\+(.*?)\)')
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def _ParseAsanLogLine(line):
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m = re.match(_RE_ASAN, line)
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if not m:
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return None
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return {
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'prefix': m.group(1),
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'library': m.group(4),
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'pos': m.group(2),
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'rel_address': '%08x' % int(m.group(5), 16),
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}
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def _FindASanLibraries():
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asan_lib_dir = os.path.join(host_paths.DIR_SOURCE_ROOT,
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'third_party', 'llvm-build',
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'Release+Asserts', 'lib')
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asan_libs = []
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for src_dir, _, files in os.walk(asan_lib_dir):
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asan_libs += [os.path.relpath(os.path.join(src_dir, f))
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for f in files
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if f.endswith('.so')]
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return asan_libs
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def _TranslateLibPath(library, asan_libs):
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for asan_lib in asan_libs:
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if os.path.basename(library) == os.path.basename(asan_lib):
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return '/' + asan_lib
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# pylint: disable=no-member
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return symbol.TranslateLibPath(library)
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def _Symbolize(asan_input):
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asan_libs = _FindASanLibraries()
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libraries = collections.defaultdict(list)
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asan_lines = []
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for asan_log_line in [a.rstrip() for a in asan_input]:
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m = _ParseAsanLogLine(asan_log_line)
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if m:
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libraries[m['library']].append(m)
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asan_lines.append({'raw_log': asan_log_line, 'parsed': m})
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all_symbols = collections.defaultdict(dict)
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for library, items in libraries.iteritems():
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libname = _TranslateLibPath(library, asan_libs)
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lib_relative_addrs = set([i['rel_address'] for i in items])
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# pylint: disable=no-member
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info_dict = symbol.SymbolInformationForSet(libname,
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lib_relative_addrs,
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True)
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if info_dict:
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all_symbols[library]['symbols'] = info_dict
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for asan_log_line in asan_lines:
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m = asan_log_line['parsed']
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if not m:
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print asan_log_line['raw_log']
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continue
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if (m['library'] in all_symbols and
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m['rel_address'] in all_symbols[m['library']]['symbols']):
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s = all_symbols[m['library']]['symbols'][m['rel_address']][0]
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print '%s%s %s %s' % (m['prefix'], m['pos'], s[0], s[1])
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else:
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print asan_log_line['raw_log']
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def main():
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parser = optparse.OptionParser()
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parser.add_option('-l', '--logcat',
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help='File containing adb logcat output with ASan stacks. '
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'Use stdin if not specified.')
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parser.add_option('--output-directory',
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help='Path to the root build directory.')
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options, _ = parser.parse_args()
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if options.output_directory:
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constants.SetOutputDirectory(options.output_directory)
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# Do an up-front test that the output directory is known.
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constants.CheckOutputDirectory()
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if options.logcat:
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asan_input = file(options.logcat, 'r')
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else:
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asan_input = sys.stdin
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_Symbolize(asan_input.readlines())
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if __name__ == "__main__":
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sys.exit(main())
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