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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotObjectConstant.java @ 18283:b2eb7302706c

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added HotSpotObjectConstant.getNodeClass()
author Doug Simon <doug.simon@oracle.com>
date Thu, 06 Nov 2014 13:26:33 +0100
parents ecf3de366ecc
children 29ba2a7cdfcb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2009, 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
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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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
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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,
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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
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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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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23 package com.oracle.graal.hotspot.meta;
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24
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25 import com.oracle.graal.api.meta.*;
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26 import com.oracle.graal.graph.*;
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27
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28 /**
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29 * Represents a constant non-{@code null} object reference, within the compiler and across the
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30 * compiler/runtime interface.
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31 */
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32 public interface HotSpotObjectConstant extends JavaValue, HotSpotConstant, VMConstant, Remote {
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33
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34 JavaConstant compress();
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35
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36 JavaConstant uncompress();
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37
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38 /**
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39 * Gets the result of {@link Class#getClassLoader()} for the {@link Class} object represented by
c7e0405a35d8 added HotSpotObjectConstant.getClassLoader()
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40 * this constant.
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41 *
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42 * @return {@code null} if this constant does not represent a {@link Class} object
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43 */
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44 @PureFunction
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45 JavaConstant getClassLoader();
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46
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47 /**
ecf3de366ecc added HotSpotObjectConstant.getIdentityHashCode()
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48 * Gets the {@linkplain System#identityHashCode(Object) identity} has code for the object
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49 * represented by this constant.
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50 */
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51 @PureFunction
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52 int getIdentityHashCode();
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53
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54 /**
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55 * Gets the result of {@link NodeClass#get(Class)} for the {@link Class} object represented by
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56 * this constant.
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57 *
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58 * @return {@code null} if this constant does not represent a {@link Class} object
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59 */
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60 JavaConstant getNodeClass();
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61 }