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Diffstat (limited to 'examples/python/lldb_module_utils.py')
| -rw-r--r-- | examples/python/lldb_module_utils.py | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/examples/python/lldb_module_utils.py b/examples/python/lldb_module_utils.py new file mode 100644 index 000000000000..37f33ba416a5 --- /dev/null +++ b/examples/python/lldb_module_utils.py @@ -0,0 +1,59 @@ +#!/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'
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