def main(argv):
status = 0
try:
config = Config().init({
**memdf.util.config.CONFIG,
**memdf.collect.PREFIX_CONFIG,
**memdf.collector.readelf.NM_CONFIG,
**memdf.report.REPORT_CONFIG,
**memdf.report.OUTPUT_CONFIG,
**BLOCKLIST_CONFIG,
})
config.argparse.add_argument('inputs', metavar='FILE', nargs='+')
config = config.parse(argv)
block_re: Optional[Pattern] = config.get_re('symbol.block')
if block_re is None:
logging.warning('No block list')
else:
frames = []
for filename in config.get('args.inputs', []):
ssdf = memdf.collector.readelf.read_sources(config, filename)
frames.append(ssdf[ssdf.kind == 'U'])
ssdf = pd.concat(frames)
ssdf = ssdf[ssdf.symbol.str.fullmatch(block_re)]
memdf.report.write_dfs(config, {'Symbols': ssdf})
except Exception as exception:
raise exception
return status
def postprocess_symbols(config: Config, symbols: SymbolDF) -> SymbolDF:
"""Postprocess a symbol table after collecting from one source.
If the symbol table contains FILE symbols, they will be removed and
replaced by a 'file' column on other symbols.
If the symbol table contains ARM mode symbols, they will be removed
and replaced by an 'arm' column on other symbols.
"""
files = []
arms = []
arm_symbols = {}
current_file = ''
current_arm = ''
has_file = False
if config['collect.prefix-file']:
prefixes = config.get_re('collect.prefix')
else:
prefixes = None
if 'type' in symbols.columns:
for symbol in symbols.itertuples():
if symbol.type == 'FILE':
has_file = True
current_file = symbol.symbol
if prefixes:
current_file = simplify_source(current_file, prefixes)
elif symbol.type == 'NOTYPE':
if symbol.symbol.startswith('$'):
if current_arm or symbol.symbol in ARM_SPECIAL_SYMBOLS:
current_arm = symbol.symbol
arm_symbols[current_arm] = True
files.append(current_file)
arms.append(current_arm)
if has_file:
symbols['file'] = files
if current_arm:
symbols['arm'] = arms
if has_file:
symbols = symbols[symbols['type'] != 'FILE']
if current_arm:
syms = arm_symbols.keys()
symbols = symbols[~symbols.symbol.isin(syms)]
return symbols