/*

 * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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package jdk.internal.reflect;

import java.lang.reflect.Field;

import java.lang.reflect.Modifier;

import java.security.AccessController;

import java.util.Set;

import jdk.internal.misc.Unsafe;

/** Base class for jdk.internal.misc.Unsafe-based FieldAccessors for static

    fields. The observation is that there are only nine types of

    fields from the standpoint of reflection code: the eight primitive

    types and Object. Using class Unsafe instead of generated

    bytecodes saves memory and loading time for the

    dynamically-generated FieldAccessors. */

abstract class UnsafeStaticFieldAccessorImpl extends UnsafeFieldAccessorImpl {

    static {

        Reflection.registerFieldsToFilter(UnsafeStaticFieldAccessorImpl.class,

                                          Set.of("base"));

    }

    protected final Object base; // base

    UnsafeStaticFieldAccessorImpl(Field field) {

        super(field);

        base = unsafe.staticFieldBase(field);

    }

}