#!/usr/bin/python #---------------------------------------------------------------------- # Be sure to add the python path that points to the LLDB shared library. # # To use this in the embedded python interpreter using "lldb": # # cd /path/containing/crashlog.py # lldb # (lldb) script import crashlog # "crashlog" command installed, type "crashlog --help" for detailed help # (lldb) crashlog ~/Library/Logs/DiagnosticReports/a.crash # # The benefit of running the crashlog command inside lldb in the # embedded python interpreter is when the command completes, there # will be a target with all of the files loaded at the locations # described in the crash log. Only the files that have stack frames # in the backtrace will be loaded unless the "--load-all" option # has been specified. This allows users to explore the program in the # state it was in right at crash time. # # On MacOSX csh, tcsh: # ( setenv PYTHONPATH /path/to/LLDB.framework/Resources/Python ; ./crashlog.py ~/Library/Logs/DiagnosticReports/a.crash ) # # On MacOSX sh, bash: # PYTHONPATH=/path/to/LLDB.framework/Resources/Python ./crashlog.py ~/Library/Logs/DiagnosticReports/a.crash #---------------------------------------------------------------------- from __future__ import print_function import cmd import datetime import glob import optparse import os import platform import plistlib import pprint # pp = pprint.PrettyPrinter(indent=4); pp.pprint(command_args) import re import shlex import string import subprocess import sys import time import uuid def read_plist(s): if sys.version_info.major == 3: return plistlib.loads(s) else: return plistlib.readPlistFromString(s) try: # Just try for LLDB in case PYTHONPATH is already correctly setup import lldb except ImportError: lldb_python_dirs = list() # lldb is not in the PYTHONPATH, try some defaults for the current platform platform_system = platform.system() if platform_system == 'Darwin': # On Darwin, try the currently selected Xcode directory xcode_dir = subprocess.check_output("xcode-select --print-path", shell=True).decode("utf-8") if xcode_dir: lldb_python_dirs.append( os.path.realpath( xcode_dir + '/../SharedFrameworks/LLDB.framework/Resources/Python')) lldb_python_dirs.append( xcode_dir + '/Library/PrivateFrameworks/LLDB.framework/Resources/Python') lldb_python_dirs.append( '/System/Library/PrivateFrameworks/LLDB.framework/Resources/Python') success = False for lldb_python_dir in lldb_python_dirs: if os.path.exists(lldb_python_dir): if not (sys.path.__contains__(lldb_python_dir)): sys.path.append(lldb_python_dir) try: import lldb except ImportError: pass else: print('imported lldb from: "%s"' % (lldb_python_dir)) success = True break if not success: print("error: couldn't locate the 'lldb' module, please set PYTHONPATH correctly") sys.exit(1) from lldb.utils import symbolication PARSE_MODE_NORMAL = 0 PARSE_MODE_THREAD = 1 PARSE_MODE_IMAGES = 2 PARSE_MODE_THREGS = 3 PARSE_MODE_SYSTEM = 4 class CrashLog(symbolication.Symbolicator): """Class that does parses darwin crash logs""" parent_process_regex = re.compile('^Parent Process:\s*(.*)\[(\d+)\]') thread_state_regex = re.compile('^Thread ([0-9]+) crashed with') thread_regex = re.compile('^Thread ([0-9]+)([^:]*):(.*)') app_backtrace_regex = re.compile( '^Application Specific Backtrace ([0-9]+)([^:]*):(.*)') version = r'(\(.+\)|(arm|x86_)[0-9a-z]+)\s+' frame_regex = re.compile(r'^([0-9]+)' r'\s' # id r'+(.+?)' r'\s+' # img_name r'(' +version+ r')?' # img_version r'(0x[0-9a-fA-F]{7}[0-9a-fA-F]+)' # addr r' +(.*)' # offs ) null_frame_regex = re.compile(r'^([0-9]+)\s+\?\?\?\s+(0{7}0+) +(.*)') image_regex_uuid = re.compile(r'(0x[0-9a-fA-F]+)' # img_lo r'\s+' '-' r'\s+' # - r'(0x[0-9a-fA-F]+)' r'\s+' # img_hi r'[+]?(.+?)' r'\s+' # img_name r'(' +version+ ')?' # img_version r'(<([-0-9a-fA-F]+)>\s+)?' # img_uuid r'(/.*)' # img_path ) empty_line_regex = re.compile('^$') class Thread: """Class that represents a thread in a darwin crash log""" def __init__(self, index, app_specific_backtrace): self.index = index self.frames = list() self.idents = list() self.registers = dict() self.reason = None self.queue = None self.app_specific_backtrace = app_specific_backtrace def dump(self, prefix): if self.app_specific_backtrace: print("%Application Specific Backtrace[%u] %s" % (prefix, self.index, self.reason)) else: print("%sThread[%u] %s" % (prefix, self.index, self.reason)) if self.frames: print("%s Frames:" % (prefix)) for frame in self.frames: frame.dump(prefix + ' ') if self.registers: print("%s Registers:" % (prefix)) for reg in self.registers.keys(): print("%s %-5s = %#16.16x" % (prefix, reg, self.registers[reg])) def dump_symbolicated(self, crash_log, options): this_thread_crashed = self.app_specific_backtrace if not this_thread_crashed: this_thread_crashed = self.did_crash() if options.crashed_only and this_thread_crashed == False: return print("%s" % self) #prev_frame_index = -1 display_frame_idx = -1 for frame_idx, frame in enumerate(self.frames): disassemble = ( this_thread_crashed or options.disassemble_all_threads) and frame_idx < options.disassemble_depth if frame_idx == 0: symbolicated_frame_addresses = crash_log.symbolicate( frame.pc & crash_log.addr_mask, options.verbose) else: # Any frame above frame zero and we have to subtract one to # get the previous line entry symbolicated_frame_addresses = crash_log.symbolicate( (frame.pc & crash_log.addr_mask) - 1, options.verbose) if symbolicated_frame_addresses: symbolicated_frame_address_idx = 0 for symbolicated_frame_address in symbolicated_frame_addresses: display_frame_idx += 1 print('[%3u] %s' % (frame_idx, symbolicated_frame_address)) if (options.source_all or self.did_crash( )) and display_frame_idx < options.source_frames and options.source_context: source_context = options.source_context line_entry = symbolicated_frame_address.get_symbol_context().line_entry if line_entry.IsValid(): strm = lldb.SBStream() if line_entry: lldb.debugger.GetSourceManager().DisplaySourceLinesWithLineNumbers( line_entry.file, line_entry.line, source_context, source_context, "->", strm) source_text = strm.GetData() if source_text: # Indent the source a bit indent_str = ' ' join_str = '\n' + indent_str print('%s%s' % (indent_str, join_str.join(source_text.split('\n')))) if symbolicated_frame_address_idx == 0: if disassemble: instructions = symbolicated_frame_address.get_instructions() if instructions: print() symbolication.disassemble_instructions( crash_log.get_target(), instructions, frame.pc, options.disassemble_before, options.disassemble_after, frame.index > 0) print() symbolicated_frame_address_idx += 1 else: print(frame) def add_ident(self, ident): if ident not in self.idents: self.idents.append(ident) def did_crash(self): return self.reason is not None def __str__(self): if self.app_specific_backtrace: s = "Application Specific Backtrace[%u]" % self.index else: s = "Thread[%u]" % self.index if self.reason: s += ' %s' % self.reason return s class Frame: """Class that represents a stack frame in a thread in a darwin crash log""" def __init__(self, index, pc, description): self.pc = pc self.description = description self.index = index def __str__(self): if self.description: return "[%3u] 0x%16.16x %s" % ( self.index, self.pc, self.description) else: return "[%3u] 0x%16.16x" % (self.index, self.pc) def dump(self, prefix): print("%s%s" % (prefix, str(self))) class DarwinImage(symbolication.Image): """Class that represents a binary images in a darwin crash log""" dsymForUUIDBinary = '/usr/local/bin/dsymForUUID' if not os.path.exists(dsymForUUIDBinary): try: dsymForUUIDBinary = subprocess.check_output('which dsymForUUID', shell=True).decode("utf-8").rstrip('\n') except: dsymForUUIDBinary = "" dwarfdump_uuid_regex = re.compile( 'UUID: ([-0-9a-fA-F]+) \(([^\(]+)\) .*') def __init__( self, text_addr_lo, text_addr_hi, identifier, version, uuid, path, verbose): symbolication.Image.__init__(self, path, uuid) self.add_section( symbolication.Section( text_addr_lo, text_addr_hi, "__TEXT")) self.identifier = identifier self.version = version self.verbose = verbose def show_symbol_progress(self): """ Hide progress output and errors from system frameworks as they are plentiful. """ if self.verbose: return True return not (self.path.startswith("/System/Library/") or self.path.startswith("/usr/lib/")) def find_matching_slice(self): dwarfdump_cmd_output = subprocess.check_output( 'dwarfdump --uuid "%s"' % self.path, shell=True).decode("utf-8") self_uuid = self.get_uuid() for line in dwarfdump_cmd_output.splitlines(): match = self.dwarfdump_uuid_regex.search(line) if match: dwarf_uuid_str = match.group(1) dwarf_uuid = uuid.UUID(dwarf_uuid_str) if self_uuid == dwarf_uuid: self.resolved_path = self.path self.arch = match.group(2) return True if not self.resolved_path: self.unavailable = True if self.show_symbol_progress(): print(("error\n error: unable to locate '%s' with UUID %s" % (self.path, self.get_normalized_uuid_string()))) return False def locate_module_and_debug_symbols(self): # Don't load a module twice... if self.resolved: return True # Mark this as resolved so we don't keep trying self.resolved = True uuid_str = self.get_normalized_uuid_string() if self.show_symbol_progress(): print('Getting symbols for %s %s...' % (uuid_str, self.path), end=' ') if os.path.exists(self.dsymForUUIDBinary): dsym_for_uuid_command = '%s %s' % ( self.dsymForUUIDBinary, uuid_str) s = subprocess.check_output(dsym_for_uuid_command, shell=True) if s: try: plist_root = read_plist(s) except: print(("Got exception: ", sys.exc_info()[1], " handling dsymForUUID output: \n", s)) raise if plist_root: plist = plist_root[uuid_str] if plist: if 'DBGArchitecture' in plist: self.arch = plist['DBGArchitecture'] if 'DBGDSYMPath' in plist: self.symfile = os.path.realpath( plist['DBGDSYMPath']) if 'DBGSymbolRichExecutable' in plist: self.path = os.path.expanduser( plist['DBGSymbolRichExecutable']) self.resolved_path = self.path if not self.resolved_path and os.path.exists(self.path): if not self.find_matching_slice(): return False if not self.resolved_path and not os.path.exists(self.path): try: dsym = subprocess.check_output( ["/usr/bin/mdfind", "com_apple_xcode_dsym_uuids == %s"%uuid_str]).decode("utf-8")[:-1] if dsym and os.path.exists(dsym): print(('falling back to binary inside "%s"'%dsym)) self.symfile = dsym dwarf_dir = os.path.join(dsym, 'Contents/Resources/DWARF') for filename in os.listdir(dwarf_dir): self.path = os.path.join(dwarf_dir, filename) if not self.find_matching_slice(): return False break except: pass if (self.resolved_path and os.path.exists(self.resolved_path)) or ( self.path and os.path.exists(self.path)): print('ok') return True else: self.unavailable = True return False def __init__(self, path, verbose): """CrashLog constructor that take a path to a darwin crash log file""" symbolication.Symbolicator.__init__(self) self.path = os.path.expanduser(path) self.info_lines = list() self.system_profile = list() self.threads = list() self.backtraces = list() # For application specific backtraces self.idents = list() # A list of the required identifiers for doing all stack backtraces self.crashed_thread_idx = -1 self.version = -1 self.error = None self.target = None self.verbose = verbose # With possible initial component of ~ or ~user replaced by that user's # home directory. try: f = open(self.path) except IOError: self.error = 'error: cannot open "%s"' % self.path return self.file_lines = f.read().splitlines() parse_mode = PARSE_MODE_NORMAL thread = None app_specific_backtrace = False for line in self.file_lines: # print line line_len = len(line) if line_len == 0: if thread: if parse_mode == PARSE_MODE_THREAD: if thread.index == self.crashed_thread_idx: thread.reason = '' if self.thread_exception: thread.reason += self.thread_exception if self.thread_exception_data: thread.reason += " (%s)" % self.thread_exception_data if app_specific_backtrace: self.backtraces.append(thread) else: self.threads.append(thread) thread = None else: # only append an extra empty line if the previous line # in the info_lines wasn't empty if len(self.info_lines) > 0 and len(self.info_lines[-1]): self.info_lines.append(line) parse_mode = PARSE_MODE_NORMAL # print 'PARSE_MODE_NORMAL' elif parse_mode == PARSE_MODE_NORMAL: if line.startswith('Process:'): (self.process_name, pid_with_brackets) = line[ 8:].strip().split(' [') self.process_id = pid_with_brackets.strip('[]') elif line.startswith('Path:'): self.process_path = line[5:].strip() elif line.startswith('Identifier:'): self.process_identifier = line[11:].strip() elif line.startswith('Version:'): version_string = line[8:].strip() matched_pair = re.search("(.+)\((.+)\)", version_string) if matched_pair: self.process_version = matched_pair.group(1) self.process_compatability_version = matched_pair.group( 2) else: self.process = version_string self.process_compatability_version = version_string elif self.parent_process_regex.search(line): parent_process_match = self.parent_process_regex.search( line) self.parent_process_name = parent_process_match.group(1) self.parent_process_id = parent_process_match.group(2) elif line.startswith('Exception Type:'): self.thread_exception = line[15:].strip() continue elif line.startswith('Exception Codes:'): self.thread_exception_data = line[16:].strip() continue elif line.startswith('Exception Subtype:'): # iOS self.thread_exception_data = line[18:].strip() continue elif line.startswith('Crashed Thread:'): self.crashed_thread_idx = int(line[15:].strip().split()[0]) continue elif line.startswith('Triggered by Thread:'): # iOS self.crashed_thread_idx = int(line[20:].strip().split()[0]) continue elif line.startswith('Report Version:'): self.version = int(line[15:].strip()) continue elif line.startswith('System Profile:'): parse_mode = PARSE_MODE_SYSTEM continue elif (line.startswith('Interval Since Last Report:') or line.startswith('Crashes Since Last Report:') or line.startswith('Per-App Interval Since Last Report:') or line.startswith('Per-App Crashes Since Last Report:') or line.startswith('Sleep/Wake UUID:') or line.startswith('Anonymous UUID:')): # ignore these continue elif line.startswith('Thread'): thread_state_match = self.thread_state_regex.search(line) if thread_state_match: app_specific_backtrace = False thread_state_match = self.thread_regex.search(line) thread_idx = int(thread_state_match.group(1)) parse_mode = PARSE_MODE_THREGS thread = self.threads[thread_idx] else: thread_match = self.thread_regex.search(line) if thread_match: app_specific_backtrace = False parse_mode = PARSE_MODE_THREAD thread_idx = int(thread_match.group(1)) thread = CrashLog.Thread(thread_idx, False) continue elif line.startswith('Binary Images:'): parse_mode = PARSE_MODE_IMAGES continue elif line.startswith('Application Specific Backtrace'): app_backtrace_match = self.app_backtrace_regex.search(line) if app_backtrace_match: parse_mode = PARSE_MODE_THREAD app_specific_backtrace = True idx = int(app_backtrace_match.group(1)) thread = CrashLog.Thread(idx, True) elif line.startswith('Last Exception Backtrace:'): # iOS parse_mode = PARSE_MODE_THREAD app_specific_backtrace = True idx = 1 thread = CrashLog.Thread(idx, True) self.info_lines.append(line.strip()) elif parse_mode == PARSE_MODE_THREAD: if line.startswith('Thread'): continue if self.null_frame_regex.search(line): print('warning: thread parser ignored null-frame: "%s"' % line) continue frame_match = self.frame_regex.search(line) if frame_match: (frame_id, frame_img_name, _, frame_img_version, _, frame_addr, frame_ofs) = frame_match.groups() ident = frame_img_name thread.add_ident(ident) if ident not in self.idents: self.idents.append(ident) thread.frames.append(CrashLog.Frame(int(frame_id), int( frame_addr, 0), frame_ofs)) else: print('error: frame regex failed for line: "%s"' % line) elif parse_mode == PARSE_MODE_IMAGES: image_match = self.image_regex_uuid.search(line) if image_match: (img_lo, img_hi, img_name, _, img_version, _, _, img_uuid, img_path) = image_match.groups() image = CrashLog.DarwinImage(int(img_lo, 0), int(img_hi, 0), img_name.strip(), img_version.strip() if img_version else "", uuid.UUID(img_uuid), img_path, self.verbose) self.images.append(image) else: print("error: image regex failed for: %s" % line) elif parse_mode == PARSE_MODE_THREGS: stripped_line = line.strip() # "r12: 0x00007fff6b5939c8 r13: 0x0000000007000006 r14: 0x0000000000002a03 r15: 0x0000000000000c00" reg_values = re.findall( '([a-zA-Z0-9]+: 0[Xx][0-9a-fA-F]+) *', stripped_line) for reg_value in reg_values: # print 'reg_value = "%s"' % reg_value (reg, value) = reg_value.split(': ') # print 'reg = "%s"' % reg # print 'value = "%s"' % value thread.registers[reg.strip()] = int(value, 0) elif parse_mode == PARSE_MODE_SYSTEM: self.system_profile.append(line) f.close() def dump(self): print("Crash Log File: %s" % (self.path)) if self.backtraces: print("\nApplication Specific Backtraces:") for thread in self.backtraces: thread.dump(' ') print("\nThreads:") for thread in self.threads: thread.dump(' ') print("\nImages:") for image in self.images: image.dump(' ') def find_image_with_identifier(self, identifier): for image in self.images: if image.identifier == identifier: return image regex_text = '^.*\.%s$' % (re.escape(identifier)) regex = re.compile(regex_text) for image in self.images: if regex.match(image.identifier): return image return None def create_target(self): # print 'crashlog.create_target()...' if self.target is None: self.target = symbolication.Symbolicator.create_target(self) if self.target: return self.target # We weren't able to open the main executable as, but we can still # symbolicate print('crashlog.create_target()...2') if self.idents: for ident in self.idents: image = self.find_image_with_identifier(ident) if image: self.target = image.create_target() if self.target: return self.target # success print('crashlog.create_target()...3') for image in self.images: self.target = image.create_target() if self.target: return self.target # success print('crashlog.create_target()...4') print('error: Unable to locate any executables from the crash log.') print(' Try loading the executable into lldb before running crashlog') print(' and/or make sure the .dSYM bundles can be found by Spotlight.') return self.target def get_target(self): return self.target def usage(): print("Usage: lldb-symbolicate.py [-n name] executable-image") sys.exit(0) class Interactive(cmd.Cmd): '''Interactive prompt for analyzing one or more Darwin crash logs, type "help" to see a list of supported commands.''' image_option_parser = None def __init__(self, crash_logs): cmd.Cmd.__init__(self) self.use_rawinput = False self.intro = 'Interactive crashlogs prompt, type "help" to see a list of supported commands.' self.crash_logs = crash_logs self.prompt = '% ' def default(self, line): '''Catch all for unknown command, which will exit the interpreter.''' print("uknown command: %s" % line) return True def do_q(self, line): '''Quit command''' return True def do_quit(self, line): '''Quit command''' return True def do_symbolicate(self, line): description = '''Symbolicate one or more darwin crash log files by index to provide source file and line information, inlined stack frames back to the concrete functions, and disassemble the location of the crash for the first frame of the crashed thread.''' option_parser = CreateSymbolicateCrashLogOptions( 'symbolicate', description, False) command_args = shlex.split(line) try: (options, args) = option_parser.parse_args(command_args) except: return if args: # We have arguments, they must valid be crash log file indexes for idx_str in args: idx = int(idx_str) if idx < len(self.crash_logs): SymbolicateCrashLog(self.crash_logs[idx], options) else: print('error: crash log index %u is out of range' % (idx)) else: # No arguments, symbolicate all crash logs using the options # provided for idx in range(len(self.crash_logs)): SymbolicateCrashLog(self.crash_logs[idx], options) def do_list(self, line=None): '''Dump a list of all crash logs that are currently loaded. USAGE: list''' print('%u crash logs are loaded:' % len(self.crash_logs)) for (crash_log_idx, crash_log) in enumerate(self.crash_logs): print('[%u] = %s' % (crash_log_idx, crash_log.path)) def do_image(self, line): '''Dump information about one or more binary images in the crash log given an image basename, or all images if no arguments are provided.''' usage = "usage: %prog [options] [PATH ...]" description = '''Dump information about one or more images in all crash logs. The can be a full path, image basename, or partial path. Searches are done in this order.''' command_args = shlex.split(line) if not self.image_option_parser: self.image_option_parser = optparse.OptionParser( description=description, prog='image', usage=usage) self.image_option_parser.add_option( '-a', '--all', action='store_true', help='show all images', default=False) try: (options, args) = self.image_option_parser.parse_args(command_args) except: return if args: for image_path in args: fullpath_search = image_path[0] == '/' for (crash_log_idx, crash_log) in enumerate(self.crash_logs): matches_found = 0 for (image_idx, image) in enumerate(crash_log.images): if fullpath_search: if image.get_resolved_path() == image_path: matches_found += 1 print('[%u] ' % (crash_log_idx), image) else: image_basename = image.get_resolved_path_basename() if image_basename == image_path: matches_found += 1 print('[%u] ' % (crash_log_idx), image) if matches_found == 0: for (image_idx, image) in enumerate(crash_log.images): resolved_image_path = image.get_resolved_path() if resolved_image_path and string.find( image.get_resolved_path(), image_path) >= 0: print('[%u] ' % (crash_log_idx), image) else: for crash_log in self.crash_logs: for (image_idx, image) in enumerate(crash_log.images): print('[%u] %s' % (image_idx, image)) return False def interactive_crashlogs(options, args): crash_log_files = list() for arg in args: for resolved_path in glob.glob(arg): crash_log_files.append(resolved_path) crash_logs = list() for crash_log_file in crash_log_files: # print 'crash_log_file = "%s"' % crash_log_file crash_log = CrashLog(crash_log_file, options.verbose) if crash_log.error: print(crash_log.error) continue if options.debug: crash_log.dump() if not crash_log.images: print('error: no images in crash log "%s"' % (crash_log)) continue else: crash_logs.append(crash_log) interpreter = Interactive(crash_logs) # List all crash logs that were imported interpreter.do_list() interpreter.cmdloop() def save_crashlog(debugger, command, exe_ctx, result, dict): usage = "usage: %prog [options] " description = '''Export the state of current target into a crashlog file''' parser = optparse.OptionParser( description=description, prog='save_crashlog', usage=usage) parser.add_option( '-v', '--verbose', action='store_true', dest='verbose', help='display verbose debug info', default=False) try: (options, args) = parser.parse_args(shlex.split(command)) except: result.PutCString("error: invalid options") return if len(args) != 1: result.PutCString( "error: invalid arguments, a single output file is the only valid argument") return out_file = open(args[0], 'w') if not out_file: result.PutCString( "error: failed to open file '%s' for writing...", args[0]) return target = exe_ctx.target if target: identifier = target.executable.basename process = exe_ctx.process if process: pid = process.id if pid != lldb.LLDB_INVALID_PROCESS_ID: out_file.write( 'Process: %s [%u]\n' % (identifier, pid)) out_file.write('Path: %s\n' % (target.executable.fullpath)) out_file.write('Identifier: %s\n' % (identifier)) out_file.write('\nDate/Time: %s\n' % (datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))) out_file.write( 'OS Version: Mac OS X %s (%s)\n' % (platform.mac_ver()[0], subprocess.check_output('sysctl -n kern.osversion', shell=True).decode("utf-8"))) out_file.write('Report Version: 9\n') for thread_idx in range(process.num_threads): thread = process.thread[thread_idx] out_file.write('\nThread %u:\n' % (thread_idx)) for (frame_idx, frame) in enumerate(thread.frames): frame_pc = frame.pc frame_offset = 0 if frame.function: block = frame.GetFrameBlock() block_range = block.range[frame.addr] if block_range: block_start_addr = block_range[0] frame_offset = frame_pc - block_start_addr.GetLoadAddress(target) else: frame_offset = frame_pc - frame.function.addr.GetLoadAddress(target) elif frame.symbol: frame_offset = frame_pc - frame.symbol.addr.GetLoadAddress(target) out_file.write( '%-3u %-32s 0x%16.16x %s' % (frame_idx, frame.module.file.basename, frame_pc, frame.name)) if frame_offset > 0: out_file.write(' + %u' % (frame_offset)) line_entry = frame.line_entry if line_entry: if options.verbose: # This will output the fullpath + line + column out_file.write(' %s' % (line_entry)) else: out_file.write( ' %s:%u' % (line_entry.file.basename, line_entry.line)) column = line_entry.column if column: out_file.write(':%u' % (column)) out_file.write('\n') out_file.write('\nBinary Images:\n') for module in target.modules: text_segment = module.section['__TEXT'] if text_segment: text_segment_load_addr = text_segment.GetLoadAddress(target) if text_segment_load_addr != lldb.LLDB_INVALID_ADDRESS: text_segment_end_load_addr = text_segment_load_addr + text_segment.size identifier = module.file.basename module_version = '???' module_version_array = module.GetVersion() if module_version_array: module_version = '.'.join( map(str, module_version_array)) out_file.write( ' 0x%16.16x - 0x%16.16x %s (%s - ???) <%s> %s\n' % (text_segment_load_addr, text_segment_end_load_addr, identifier, module_version, module.GetUUIDString(), module.file.fullpath)) out_file.close() else: result.PutCString("error: invalid target") def Symbolicate(debugger, command, result, dict): try: SymbolicateCrashLogs(shlex.split(command)) except: result.PutCString("error: python exception %s" % sys.exc_info()[0]) def SymbolicateCrashLog(crash_log, options): if crash_log.error: print(crash_log.error) return if options.debug: crash_log.dump() if not crash_log.images: print('error: no images in crash log') return if options.dump_image_list: print("Binary Images:") for image in crash_log.images: if options.verbose: print(image.debug_dump()) else: print(image) target = crash_log.create_target() if not target: return exe_module = target.GetModuleAtIndex(0) images_to_load = list() loaded_images = list() if options.load_all_images: # --load-all option was specified, load everything up for image in crash_log.images: images_to_load.append(image) else: # Only load the images found in stack frames for the crashed threads if options.crashed_only: for thread in crash_log.threads: if thread.did_crash(): for ident in thread.idents: images = crash_log.find_images_with_identifier(ident) if images: for image in images: images_to_load.append(image) else: print('error: can\'t find image for identifier "%s"' % ident) else: for ident in crash_log.idents: images = crash_log.find_images_with_identifier(ident) if images: for image in images: images_to_load.append(image) else: print('error: can\'t find image for identifier "%s"' % ident) for image in images_to_load: if image not in loaded_images: err = image.add_module(target) if err: print(err) else: # print 'loaded %s' % image loaded_images.append(image) if crash_log.backtraces: for thread in crash_log.backtraces: thread.dump_symbolicated(crash_log, options) print() for thread in crash_log.threads: thread.dump_symbolicated(crash_log, options) print() def CreateSymbolicateCrashLogOptions( command_name, description, add_interactive_options): usage = "usage: %prog [options] [FILE ...]" option_parser = optparse.OptionParser( description=description, prog='crashlog', usage=usage) option_parser.add_option( '--verbose', '-v', action='store_true', dest='verbose', help='display verbose debug info', default=False) option_parser.add_option( '--debug', '-g', action='store_true', dest='debug', help='display verbose debug logging', default=False) option_parser.add_option( '--load-all', '-a', action='store_true', dest='load_all_images', help='load all executable images, not just the images found in the crashed stack frames', default=False) option_parser.add_option( '--images', action='store_true', dest='dump_image_list', help='show image list', default=False) option_parser.add_option( '--debug-delay', type='int', dest='debug_delay', metavar='NSEC', help='pause for NSEC seconds for debugger', default=0) option_parser.add_option( '--crashed-only', '-c', action='store_true', dest='crashed_only', help='only symbolicate the crashed thread', default=False) option_parser.add_option( '--disasm-depth', '-d', type='int', dest='disassemble_depth', help='set the depth in stack frames that should be disassembled (default is 1)', default=1) option_parser.add_option( '--disasm-all', '-D', action='store_true', dest='disassemble_all_threads', help='enabled disassembly of frames on all threads (not just the crashed thread)', default=False) option_parser.add_option( '--disasm-before', '-B', type='int', dest='disassemble_before', help='the number of instructions to disassemble before the frame PC', default=4) option_parser.add_option( '--disasm-after', '-A', type='int', dest='disassemble_after', help='the number of instructions to disassemble after the frame PC', default=4) option_parser.add_option( '--source-context', '-C', type='int', metavar='NLINES', dest='source_context', help='show NLINES source lines of source context (default = 4)', default=4) option_parser.add_option( '--source-frames', type='int', metavar='NFRAMES', dest='source_frames', help='show source for NFRAMES (default = 4)', default=4) option_parser.add_option( '--source-all', action='store_true', dest='source_all', help='show source for all threads, not just the crashed thread', default=False) if add_interactive_options: option_parser.add_option( '-i', '--interactive', action='store_true', help='parse all crash logs and enter interactive mode', default=False) return option_parser def SymbolicateCrashLogs(command_args): description = '''Symbolicate one or more darwin crash log files to provide source file and line information, inlined stack frames back to the concrete functions, and disassemble the location of the crash for the first frame of the crashed thread. If this script is imported into the LLDB command interpreter, a "crashlog" command will be added to the interpreter for use at the LLDB command line. After a crash log has been parsed and symbolicated, a target will have been created that has all of the shared libraries loaded at the load addresses found in the crash log file. This allows you to explore the program as if it were stopped at the locations described in the crash log and functions can be disassembled and lookups can be performed using the addresses found in the crash log.''' option_parser = CreateSymbolicateCrashLogOptions( 'crashlog', description, True) try: (options, args) = option_parser.parse_args(command_args) except: return if options.debug: print('command_args = %s' % command_args) print('options', options) print('args', args) if options.debug_delay > 0: print("Waiting %u seconds for debugger to attach..." % options.debug_delay) time.sleep(options.debug_delay) error = lldb.SBError() if args: if options.interactive: interactive_crashlogs(options, args) else: for crash_log_file in args: crash_log = CrashLog(crash_log_file, options.verbose) SymbolicateCrashLog(crash_log, options) if __name__ == '__main__': # Create a new debugger instance lldb.debugger = lldb.SBDebugger.Create() SymbolicateCrashLogs(sys.argv[1:]) lldb.SBDebugger.Destroy(lldb.debugger) elif getattr(lldb, 'debugger', None): lldb.debugger.HandleCommand( 'command script add -f lldb.macosx.crashlog.Symbolicate crashlog') lldb.debugger.HandleCommand( 'command script add -f lldb.macosx.crashlog.save_crashlog save_crashlog') print('"crashlog" and "save_crashlog" command installed, use the "--help" option for detailed help')