3 # Copyright 2013 The Chromium Authors. All rights reserved.
4 # Use of this source code is governed by a BSD-style license that can be
5 # found in the LICENSE file.
14 from pylib import constants
16 # Uses symbol.py from third_party/android_platform, not python's.
18 os.path.join(constants.DIR_SOURCE_ROOT,
19 'third_party/android_platform/development/scripts'))
23 _RE_ASAN = re.compile(r'(.*?)(#\S*?) (\S*?) \((.*?)\+(.*?)\)')
25 def _ParseAsanLogLine(line):
26 m = re.match(_RE_ASAN, line)
31 'library': m.group(4),
33 'rel_address': '%08x' % int(m.group(5), 16),
37 def _FindASanLibraries():
38 asan_lib_dir = os.path.join(constants.DIR_SOURCE_ROOT,
39 'third_party', 'llvm-build',
40 'Release+Asserts', 'lib')
42 for src_dir, _, files in os.walk(asan_lib_dir):
43 asan_libs += [os.path.relpath(os.path.join(src_dir, f))
49 def _TranslateLibPath(library, asan_libs):
50 for asan_lib in asan_libs:
51 if os.path.basename(library) == os.path.basename(asan_lib):
53 return symbol.TranslateLibPath(library)
56 def _Symbolize(input):
57 asan_libs = _FindASanLibraries()
58 libraries = collections.defaultdict(list)
60 for asan_log_line in [a.rstrip() for a in input]:
61 m = _ParseAsanLogLine(asan_log_line)
63 libraries[m['library']].append(m)
64 asan_lines.append({'raw_log': asan_log_line, 'parsed': m})
66 all_symbols = collections.defaultdict(dict)
67 original_symbols_dir = symbol.SYMBOLS_DIR
68 for library, items in libraries.iteritems():
69 libname = _TranslateLibPath(library, asan_libs)
70 lib_relative_addrs = set([i['rel_address'] for i in items])
71 info_dict = symbol.SymbolInformationForSet(libname,
75 all_symbols[library]['symbols'] = info_dict
77 for asan_log_line in asan_lines:
78 m = asan_log_line['parsed']
80 print asan_log_line['raw_log']
82 if (m['library'] in all_symbols and
83 m['rel_address'] in all_symbols[m['library']]['symbols']):
84 s = all_symbols[m['library']]['symbols'][m['rel_address']][0]
85 print '%s%s %s %s' %(m['prefix'], m['pos'], s[0], s[1])
87 print asan_log_line['raw_log']
91 parser = optparse.OptionParser()
92 parser.add_option('-l', '--logcat',
93 help='File containing adb logcat output with ASan stacks. '
94 'Use stdin if not specified.')
95 options, args = parser.parse_args()
97 input = file(options.logcat, 'r')
100 _Symbolize(input.readlines())
103 if __name__ == "__main__":