diff options
Diffstat (limited to 'chromium/tools/find_runtime_symbols/find_runtime_symbols.py')
| -rwxr-xr-x | chromium/tools/find_runtime_symbols/find_runtime_symbols.py | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/chromium/tools/find_runtime_symbols/find_runtime_symbols.py b/chromium/tools/find_runtime_symbols/find_runtime_symbols.py deleted file mode 100755 index e96db4f95a7..00000000000 --- a/chromium/tools/find_runtime_symbols/find_runtime_symbols.py +++ /dev/null @@ -1,214 +0,0 @@ -#!/usr/bin/env python -# Copyright (c) 2012 The Chromium Authors. All rights reserved. -# Use of this source code is governed by a BSD-style license that can be -# found in the LICENSE file. -"""Find symbols in a binary corresponding to given runtime virtual addresses. - -Note that source file names are treated as symbols in this script while they -are actually not. -""" - -import json -import logging -import os -import sys - -from static_symbols import StaticSymbolsInFile - - -_BASE_PATH = os.path.dirname(os.path.abspath(__file__)) -_TOOLS_LINUX_PATH = os.path.join(_BASE_PATH, os.pardir, 'linux') -sys.path.insert(0, _TOOLS_LINUX_PATH) - - -from procfs import ProcMaps # pylint: disable=F0401 - -try: - from collections import OrderedDict # pylint: disable=E0611 -except ImportError: - _SIMPLEJSON_PATH = os.path.join(_BASE_PATH, os.pardir, os.pardir, - 'third_party') - sys.path.insert(0, _SIMPLEJSON_PATH) - from simplejson import OrderedDict - - -FUNCTION_SYMBOLS = 0 -SOURCEFILE_SYMBOLS = 1 -TYPEINFO_SYMBOLS = 2 - -_MAPS_FILENAME = 'maps' -_FILES_FILENAME = 'files.json' - - -class RuntimeSymbolsInProcess(object): - def __init__(self): - self._maps = None - self._static_symbols_in_filse = {} - - def find_procedure(self, runtime_address): - for vma in self._maps.iter(ProcMaps.executable): - if vma.begin <= runtime_address < vma.end: - static_symbols = self._static_symbols_in_filse.get(vma.name) - if static_symbols: - return static_symbols.find_procedure_by_runtime_address( - runtime_address, vma) - else: - return None - return None - - def find_sourcefile(self, runtime_address): - for vma in self._maps.iter(ProcMaps.executable): - if vma.begin <= runtime_address < vma.end: - static_symbols = self._static_symbols_in_filse.get(vma.name) - if static_symbols: - return static_symbols.find_sourcefile_by_runtime_address( - runtime_address, vma) - else: - return None - return None - - def find_typeinfo(self, runtime_address): - for vma in self._maps.iter(ProcMaps.constants): - if vma.begin <= runtime_address < vma.end: - static_symbols = self._static_symbols_in_filse.get(vma.name) - if static_symbols: - return static_symbols.find_typeinfo_by_runtime_address( - runtime_address, vma) - else: - return None - return None - - @staticmethod - def load(prepared_data_dir): - symbols_in_process = RuntimeSymbolsInProcess() - - with open(os.path.join(prepared_data_dir, _MAPS_FILENAME), mode='r') as f: - symbols_in_process._maps = ProcMaps.load_file(f) - with open(os.path.join(prepared_data_dir, _FILES_FILENAME), mode='r') as f: - files = json.load(f) - - # pylint: disable=W0212 - for vma in symbols_in_process._maps.iter(ProcMaps.executable_and_constants): - file_entry = files.get(vma.name) - if not file_entry: - continue - - static_symbols = StaticSymbolsInFile(vma.name) - - nm_entry = file_entry.get('nm') - if nm_entry and nm_entry['format'] == 'bsd': - with open(os.path.join(prepared_data_dir, nm_entry['file']), 'r') as f: - static_symbols.load_nm_bsd(f, nm_entry['mangled']) - - readelf_entry = file_entry.get('readelf-e') - if readelf_entry: - with open(os.path.join(prepared_data_dir, readelf_entry['file']), - 'r') as f: - static_symbols.load_readelf_ew(f) - - decodedline_file_entry = file_entry.get('readelf-debug-decodedline-file') - if decodedline_file_entry: - with open(os.path.join(prepared_data_dir, - decodedline_file_entry['file']), 'r') as f: - static_symbols.load_readelf_debug_decodedline_file(f) - - symbols_in_process._static_symbols_in_filse[vma.name] = static_symbols - - return symbols_in_process - - -def _find_runtime_function_symbols(symbols_in_process, addresses): - result = OrderedDict() - for address in addresses: - if isinstance(address, basestring): - address = int(address, 16) - found = symbols_in_process.find_procedure(address) - if found: - result[address] = found.name - else: - result[address] = '0x%016x' % address - return result - - -def _find_runtime_sourcefile_symbols(symbols_in_process, addresses): - result = OrderedDict() - for address in addresses: - if isinstance(address, basestring): - address = int(address, 16) - found = symbols_in_process.find_sourcefile(address) - if found: - result[address] = found - else: - result[address] = '' - return result - - -def _find_runtime_typeinfo_symbols(symbols_in_process, addresses): - result = OrderedDict() - for address in addresses: - if isinstance(address, basestring): - address = int(address, 16) - if address == 0: - result[address] = 'no typeinfo' - else: - found = symbols_in_process.find_typeinfo(address) - if found: - if found.startswith('typeinfo for '): - result[address] = found[13:] - else: - result[address] = found - else: - result[address] = '0x%016x' % address - return result - - -_INTERNAL_FINDERS = { - FUNCTION_SYMBOLS: _find_runtime_function_symbols, - SOURCEFILE_SYMBOLS: _find_runtime_sourcefile_symbols, - TYPEINFO_SYMBOLS: _find_runtime_typeinfo_symbols, - } - - -def find_runtime_symbols(symbol_type, symbols_in_process, addresses): - return _INTERNAL_FINDERS[symbol_type](symbols_in_process, addresses) - - -def main(): - # FIX: Accept only .pre data - if len(sys.argv) < 2: - sys.stderr.write("""Usage: -%s /path/to/prepared_data_dir/ < addresses.txt -""" % sys.argv[0]) - return 1 - - log = logging.getLogger('find_runtime_symbols') - log.setLevel(logging.WARN) - handler = logging.StreamHandler() - handler.setLevel(logging.WARN) - formatter = logging.Formatter('%(message)s') - handler.setFormatter(formatter) - log.addHandler(handler) - - prepared_data_dir = sys.argv[1] - if not os.path.exists(prepared_data_dir): - log.warn("Nothing found: %s" % prepared_data_dir) - return 1 - if not os.path.isdir(prepared_data_dir): - log.warn("Not a directory: %s" % prepared_data_dir) - return 1 - - symbols_in_process = RuntimeSymbolsInProcess.load(prepared_data_dir) - symbols_dict = find_runtime_symbols(FUNCTION_SYMBOLS, - symbols_in_process, - sys.stdin) - for address, symbol in symbols_dict: - if symbol: - print '%016x %s' % (address, symbol) - else: - print '%016x' % address - - return 0 - - -if __name__ == '__main__': - sys.exit(main()) |