struct Exception::CallStack
  def self.load_debug_info_impl : Nil
  end

  def self.decode_address(ip)
    ip
  end

  def self.decode_line_number(pc)
    {"??", 0, 0}
  end

  def self.decode_function_name(pc)
    nil
  end

  protected def self.decode_frame(pc)
    nil
  end

  protected def self.unwind : Array(Void*)
    [] of Void*
  end
end