001/*
002 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package jdk.internal.jvmci.hotspotvmconfig;
024
025import java.lang.annotation.*;
026
027/**
028 * Refers to a C++ type in the VM.
029 */
030@Target(ElementType.FIELD)
031@Retention(RetentionPolicy.RUNTIME)
032public @interface HotSpotVMType {
033
034    /**
035     * Types of information this annotation can return.
036     */
037    enum Type {
038        /**
039         * Returns the size of the type (C++ {@code sizeof()}).
040         */
041        SIZE;
042    }
043
044    /**
045     * Specifies what type of information to return.
046     *
047     * @see Type
048     */
049    Type get();
050
051    /**
052     * Returns the name of the type.
053     *
054     * @return name of type
055     */
056    String name();
057}