def testCreateNameToSymbolInfo(self):
name_to_symbol_info = symbol_extractor.CreateNameToSymbolInfo(
self.symbol_infos)
self.assertEquals(len(name_to_symbol_info), 3)
for i in range(3):
name = self.symbol_infos[i].name
self.assertIn(name, name_to_symbol_info)
self.assertEquals(self.symbol_infos[i], name_to_symbol_info[name])
def testSymbolCollisions(self):
symbol_infos_with_collision = list(self.symbol_infos)
symbol_infos_with_collision.append(
symbol_extractor.SymbolInfo('secondNameAtOffset', 0x84, 42,
'.text'))
# The symbol added above should not affect the output.
name_to_symbol_info = symbol_extractor.CreateNameToSymbolInfo(
self.symbol_infos)
self.assertEquals(len(name_to_symbol_info), 3)
for i in range(3):
name = self.symbol_infos[i].name
self.assertIn(name, name_to_symbol_info)
self.assertEquals(self.symbol_infos[i], name_to_symbol_info[name])
def _CountMisorderedSymbols(symbols, symbol_infos):
"""Count the number of misordered symbols, and log them.
Args:
symbols: ordered sequence of symbols from the orderfile
symbol_infos: ordered list of SymbolInfo from the binary
Returns:
(misordered_pairs_count, matched_symbols_count, unmatched_symbols_count)
"""
name_to_symbol_info = symbol_extractor.CreateNameToSymbolInfo(symbol_infos)
matched_symbol_infos = []
missing_count = 0
misordered_count = 0
# Find the SymbolInfo matching the orderfile symbols in the binary.
for symbol in symbols:
if symbol in name_to_symbol_info:
matched_symbol_infos.append(name_to_symbol_info[symbol])
else:
missing_count += 1
if missing_count < _MAX_WARNINGS_TO_PRINT:
logging.warning(
'Symbol "%s" is in the orderfile, not in the binary' %
symbol)
logging.info(
'%d matched symbols, %d un-matched (Only the first %d unmatched'
' symbols are shown)' %
(len(matched_symbol_infos), missing_count, _MAX_WARNINGS_TO_PRINT))
# In the order of the orderfile, find all the symbols that are at an offset
# smaller than their immediate predecessor, and record the pair.
previous_symbol_info = symbol_extractor.SymbolInfo(name='',
offset=-1,
size=0,
section='')
for symbol_info in matched_symbol_infos:
if symbol_info.offset < previous_symbol_info.offset and not (
_IsSameMethod(symbol_info.name, previous_symbol_info.name)):
logging.warning('Misordered pair: %s - %s' %
(str(previous_symbol_info), str(symbol_info)))
misordered_count += 1
previous_symbol_info = symbol_info
return (misordered_count, len(matched_symbol_infos), missing_count)
