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annotate 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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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dffc37fa7157 initialize HotSpotVMConfig fields efficiently from C++
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
dffc37fa7157 initialize HotSpotVMConfig fields efficiently from C++
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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b1530a6cce8c renamed com.oracle.graal.[debug|options|hotspotvmconfig]* modules to com.oracle.jvmci.[debug|options|hotspotvmconfig]* modules (JBS:GRAAL-53)
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23 package com.oracle.jvmci.hotspotvmconfig;
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24
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25 import java.lang.annotation.*;
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26
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27 @Target(ElementType.FIELD)
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28 @Retention(RetentionPolicy.RUNTIME)
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29 public @interface HotSpotVMValue {
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30
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31 /**
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32 * A C++ expression to be evaluated and assigned to the field.
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33 */
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34 String expression();
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35
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36 enum Type {
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37 /**
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38 * A C++ address which might require extra casts to be safely assigned to a Java field.
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39 */
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40 ADDRESS,
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41
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42 /**
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43 * A simple value which can be assigned to a regular Java field.
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44 */
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45 VALUE
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46 }
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47
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bharadwaj
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48 /**
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49 * If {@link #expression} is a C++ function name, {@link #signature} represents the signature of
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50 * the function.
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51 *
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52 */
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53 String signature() default "";
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54
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55 Type get() default Type.VALUE;
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56
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57 /**
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58 * List of preprocessor symbols that should guard initialization of this value.
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59 */
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60 String[] defines() default {};
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61
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62 }