public void recordPackage(String jvmClassName) {
        String classname = jvmToJavaName(jvmClassName);
        for (;;) {
            int i = classname.lastIndexOf('.');
            if (i > 0) {
                classname = classname.substring(0, i);
                classPool.recordInvalidClassName(classname);
            }
            else
                break;
        }
    }