1 /* 2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package jdk.vm.ci.hotspotvmconfig; 24 25 import java.lang.annotation.ElementType; 26 import java.lang.annotation.Retention; 27 import java.lang.annotation.RetentionPolicy; 28 import java.lang.annotation.Target; 29 30 /** 31 * Refers to a C++ flag in the VM. 32 */ 33 @Target(ElementType.FIELD) 34 @Retention(RetentionPolicy.RUNTIME) 35 public @interface HotSpotVMFlag { 36 37 /** 38 * Returns the name of this flag. 39 * 40 * @return name of flag. 41 */ 42 String name(); 43 44 /** 45 * List of architectures where this constant is required. Names are derived from 46 * {@link HotSpotVMConfig#getHostArchitectureName()}. An empty list implies that the constant is 47 * required on all architectures. 48 */ 49 @SuppressWarnings("javadoc") 50 String[] archs() default {}; 51 52 boolean optional() default false; 53 }