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