001/*
002 *  This file is part of the Jikes RVM project (http://jikesrvm.org).
003 *
004 *  This file is licensed to You under the Eclipse Public License (EPL);
005 *  You may not use this file except in compliance with the License. You
006 *  may obtain a copy of the License at
007 *
008 *      http://www.opensource.org/licenses/eclipse-1.0.php
009 *
010 *  See the COPYRIGHT.txt file distributed with this work for information
011 *  regarding copyright ownership.
012 */
013package org.vmmagic.pragma;
014
015import java.lang.annotation.Retention;
016import java.lang.annotation.Target;
017import java.lang.annotation.RetentionPolicy;
018import java.lang.annotation.ElementType;
019import org.vmmagic.Pragma;
020
021/**
022 * This pragma is used to indicate a field will be final in the running VM. We
023 * can't indicate all fields are final as some are used in the boot strap
024 * process.
025 */
026@Retention(RetentionPolicy.RUNTIME)
027@Target({ElementType.FIELD})
028@Pragma
029public @interface RuntimeFinal {
030  /** @return value of the field at runtime.
031   * Currently only boolean values can be RuntimeFinal. */
032  boolean value();
033}