| /* |
| * This file is part of the Jikes RVM project (http://jikesrvm.org). |
| * |
| * This file is licensed to You under the Common Public License (CPL); |
| * You may not use this file except in compliance with the License. You |
| * may obtain a copy of the License at |
| * |
| * http://www.opensource.org/licenses/cpl1.0.php |
| * |
| * See the COPYRIGHT.txt file distributed with this work for information |
| * regarding copyright ownership. |
| */ |
| package org.vmmagic.pragma; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.Target; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.ElementType; |
| import org.vmmagic.Pragma; |
| |
| /** |
| * This pragma is a variant of Pure that is used to mark methods that have a |
| * special behaviour at boot image writing time and are Pure at runtime |
| */ |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target({ElementType.METHOD}) |
| @Pragma |
| public @interface RuntimePure { |
| /** Enumeration of the special boot image return values */ |
| public enum ReturnValue { |
| /** the return value is unavailable until runtime*/ |
| Unavailable |
| } |
| /** What value should be returned */ |
| ReturnValue value() default ReturnValue.Unavailable; |
| } |