code: def do_bm(self, arg):
          
          pid = self.get_process_id_from_prefix()
          if not self.debug.is_debugee(pid):
              raise CmdError("target process is not being debugged")
          process       = self.get_process(pid)
          token_list    = self.split_tokens(arg, 1, 2)
          address, size = self.input_address_range(token_list[0], pid)
          self.debug.watch_buffer(pid, address, size)
docs: [~process] bm <address-address> - set memory breakpoint