def LoadAndPostProcessSizeInfo(path):
"""Returns a SizeInfo for the given |path|."""
logging.debug('Loading results from: %s', path)
size_info = file_format.LoadSizeInfo(path)
logging.info('Normalizing symbol names')
_NormalizeNames(size_info.raw_symbols)
logging.info('Calculating padding')
_CalculatePadding(size_info.raw_symbols)
logging.info('Loaded %d symbols', len(size_info.raw_symbols))
return size_info
def Analyze(path, lazy_paths=None):
"""Returns a SizeInfo for the given |path|.
Args:
path: Can be a .size file, or a .map(.gz). If the latter, then lazy_paths
must be provided as well.
"""
if path.endswith('.size'):
logging.debug('Loading results from: %s', path)
size_info = file_format.LoadSizeInfo(path)
# Recompute derived values (padding and function names).
logging.info('Calculating padding')
_RemoveDuplicatesAndCalculatePadding(size_info.symbols)
logging.info('Deriving signatures')
# Re-parse out function parameters.
_NormalizeNames(size_info.symbols)
return size_info
elif not path.endswith('.map') and not path.endswith('.map.gz'):
raise Exception('Expected input to be a .map or a .size')
else:
# output_directory needed for source file information.
lazy_paths.VerifyOutputDirectory()
# tool_prefix needed for c++filt.
lazy_paths.VerifyToolPrefix()
with _OpenMaybeGz(path) as map_file:
section_sizes, symbols = linker_map_parser.MapFileParser().Parse(
map_file)
size_info = models.SizeInfo(section_sizes, models.SymbolGroup(symbols))
# Map file for some reason doesn't unmangle all names.
logging.info('Calculating padding')
_RemoveDuplicatesAndCalculatePadding(size_info.symbols)
# Unmangle prints its own log statement.
_UnmangleRemainingSymbols(size_info.symbols, lazy_paths.tool_prefix)
logging.info('Extracting source paths from .ninja files')
all_found = _ExtractSourcePaths(size_info.symbols,
lazy_paths.output_directory)
assert all_found, (
'One or more source file paths could not be found. Likely caused by '
'.ninja files being generated at a different time than the .map file.'
)
# Resolve paths prints its own log statement.
logging.info('Normalizing names')
_NormalizeNames(size_info.symbols)
logging.info('Normalizing paths')
_NormalizeObjectPaths(size_info.symbols)
if logging.getLogger().isEnabledFor(logging.INFO):
for line in describe.DescribeSizeInfoCoverage(size_info):
logging.info(line)
logging.info('Finished analyzing %d symbols', len(size_info.symbols))
return size_info
def Analyze(path, output_directory=None, tool_prefix=''):
if path.endswith('.size'):
logging.debug('Loading results from: %s', path)
size_info = file_format.LoadSizeInfo(path)
# Recompute derived values (padding and function names).
logging.info('Calculating padding')
_RemoveDuplicatesAndCalculatePadding(size_info.symbols)
logging.info('Deriving signatures')
# Re-parse out function parameters.
_NormalizeNames(size_info.symbols)
return size_info
elif not path.endswith('.map') and not path.endswith('.map.gz'):
raise Exception('Expected input to be a .map or a .size')
else:
# Verify tool_prefix early.
output_directory, tool_prefix = (_DetectToolPrefix(
tool_prefix, path, output_directory))
with _OpenMaybeGz(path) as map_file:
section_sizes, symbols = linker_map_parser.MapFileParser().Parse(
map_file)
timestamp = datetime.datetime.utcfromtimestamp(os.path.getmtime(path))
size_info = models.SizeInfo(section_sizes,
models.SymbolGroup(symbols),
timestamp=timestamp)
# Map file for some reason doesn't unmangle all names.
logging.info('Calculating padding')
_RemoveDuplicatesAndCalculatePadding(size_info.symbols)
# Unmangle prints its own log statement.
_UnmangleRemainingSymbols(size_info.symbols, tool_prefix)
logging.info('Extracting source paths from .ninja files')
_ExtractSourcePaths(size_info.symbols, output_directory)
# Resolve paths prints its own log statement.
logging.info('Normalizing names')
_NormalizeNames(size_info.symbols)
logging.info('Normalizing paths')
_NormalizeObjectPaths(size_info.symbols)
if logging.getLogger().isEnabledFor(logging.INFO):
for line in describe.DescribeSizeInfoCoverage(size_info):
logging.info(line)
logging.info('Finished analyzing %d symbols', len(size_info.symbols))
return size_info
def LoadAndPostProcessSizeInfo(path):
"""Returns a SizeInfo for the given |path|."""
logging.debug('Loading results from: %s', path)
size_info = file_format.LoadSizeInfo(path)
_PostProcessSizeInfo(size_info)
return size_info