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}