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comparison jvmci/com.oracle.jvmci.hotspotvmconfig/src/com/oracle/jvmci/hotspotvmconfig/HotSpotVMValue.java @ 21798:395ac43a8578

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moved JVMCI sources from graal/ to jvmci/ directory
author Doug Simon <doug.simon@oracle.com>
date Tue, 09 Jun 2015 00:22:49 +0200
parents graal/com.oracle.jvmci.hotspotvmconfig/src/com/oracle/jvmci/hotspotvmconfig/HotSpotVMValue.java@b1530a6cce8c
children
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21797:42452d2dfbec 21798:395ac43a8578
1 /*
2 * Copyright (c) 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 com.oracle.jvmci.hotspotvmconfig;
24
25 import java.lang.annotation.*;
26
27 @Target(ElementType.FIELD)
28 @Retention(RetentionPolicy.RUNTIME)
29 public @interface HotSpotVMValue {
30
31 /**
32 * A C++ expression to be evaluated and assigned to the field.
33 */
34 String expression();
35
36 enum Type {
37 /**
38 * A C++ address which might require extra casts to be safely assigned to a Java field.
39 */
40 ADDRESS,
41
42 /**
43 * A simple value which can be assigned to a regular Java field.
44 */
45 VALUE
46 }
47
48 /**
49 * If {@link #expression} is a C++ function name, {@link #signature} represents the signature of
50 * the function.
51 *
52 */
53 String signature() default "";
54
55 Type get() default Type.VALUE;
56
57 /**
58 * List of preprocessor symbols that should guard initialization of this value.
59 */
60 String[] defines() default {};
61
62 }