| #!/usr/bin/python |
| |
| import lldb |
| import optparse |
| import shlex |
| import string |
| import sys |
| |
| def create_dump_module_line_tables_options (): |
| usage = "usage: dump_module_line_tables [options] MODULE1 [MODULE2 ...]" |
| description='''Dumps all line tables from all compile units for any modules specified as arguments. Specifying the --verbose flag will output address ranges for each line entry.''' |
| parser = optparse.OptionParser(description=description, prog='start_gdb_log',usage=usage) |
| parser.add_option('-v', '--verbose', action='store_true', dest='verbose', help='Display verbose output.', default=False) |
| return parser |
| |
| def dump_module_line_tables(debugger, command, result, dict): |
| '''Dumps all line tables from all compile units for any modules specified as arguments.''' |
| command_args = shlex.split(command) |
| |
| parser = create_dump_module_line_tables_options () |
| try: |
| (options, args) = parser.parse_args(command_args) |
| except: |
| return |
| if command_args: |
| target = debugger.GetSelectedTarget() |
| lldb.target = target |
| for module_name in command_args: |
| result.PutCString('Searching for module "%s"' % (module_name,)) |
| module_fspec = lldb.SBFileSpec (module_name, False) |
| module = target.FindModule (module_fspec); |
| if module: |
| for cu_idx in range (module.GetNumCompileUnits()): |
| cu = module.GetCompileUnitAtIndex(cu_idx) |
| result.PutCString("\n%s:" % (cu.file)) |
| for line_idx in range(cu.GetNumLineEntries()): |
| line_entry = cu.GetLineEntryAtIndex(line_idx) |
| start_file_addr = line_entry.addr.file_addr |
| end_file_addr = line_entry.end_addr.file_addr |
| # If the two addresses are equal, this line table entry is a termination entry |
| if options.verbose: |
| if start_file_addr != end_file_addr: |
| result.PutCString('[%#x - %#x): %s' % (start_file_addr, end_file_addr, line_entry)) |
| else: |
| if start_file_addr == end_file_addr: |
| result.PutCString('%#x: END' % (start_file_addr)) |
| else: |
| result.PutCString('%#x: %s' % (start_file_addr, line_entry)) |
| if start_file_addr == end_file_addr: |
| result.Printf("\n") |
| else: |
| result.PutCString ("no module for '%s'" % module) |
| else: |
| result.PutCString ("error: invalid target") |
| |
| parser = create_dump_module_line_tables_options () |
| dump_module_line_tables.__doc__ = parser.format_help() |
| lldb.debugger.HandleCommand('command script add -f %s.dump_module_line_tables dump_module_line_tables' % __name__) |
| print 'Installed "dump_module_line_tables" command' |
