GDB Tools

gdb_tools.py

import gdb

def print_enum(argstr, mapper):
  typename = argstr
  if not typename or typename.isspace():
    raise gdb.GdbError("Usage: print-enum type")

  try:
    t = gdb.lookup_type(typename)
  except gdb.error:
    typename = "enum " + typename
    try:
      t = gdb.lookup_type(typename)
    except gdb.error:
      raise gdb.GdbError("type " + typename + " not found")

  if t.code != gdb.TYPE_CODE_ENUM:
    raise gdb.GdbError("type " + typename + " is not an enum")

  for f in t.fields():
    print(f.name, "=", mapper(f.enumval))

#
# Register commands
#
class PrintEnumCmd(gdb.Command):

  def __init__(self):
    super(PrintEnumCmd, self).__init__("print-enum", gdb.COMMAND_DATA, gdb.COMPLETE_EXPRESSION)

  def invoke(self, argstr, from_tty):
    print_enum(argstr, lambda x: x)
PrintEnumCmd()


class PrintCommandParamsCmd(gdb.Command):

  def __init__(self):
    super(PrintCommandParamsCmd, self).__init__("command-params", gdb.COMMAND_DATA, gdb.COMPLETE_EXPRESSION)

  def invoke(self, argstr, from_tty):
    print_enum("CommandRegistry::HardNonTerminal", lambda x: x & ~0x100000)
PrintCommandParamsCmd()