Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/U2Array.java @ 17467:55fb97c4c58d hs25-b65
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
author | mikael |
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date | Tue, 24 Dec 2013 11:48:39 -0800 |
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1 /* |
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2 * Copyright (c) 2012, 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 |
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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 |
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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 */ |
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24 |
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25 package sun.jvm.hotspot.utilities; |
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26 |
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27 import java.util.Observable; |
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28 import java.util.Observer; |
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29 |
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30 import sun.jvm.hotspot.debugger.Address; |
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31 import sun.jvm.hotspot.runtime.VM; |
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32 import sun.jvm.hotspot.types.Type; |
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33 import sun.jvm.hotspot.types.TypeDataBase; |
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34 import sun.jvm.hotspot.types.WrongTypeException; |
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35 |
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36 public class U2Array extends GenericArray { |
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37 static { |
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38 VM.registerVMInitializedObserver(new Observer() { |
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39 public void update(Observable o, Object data) { |
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40 initialize(VM.getVM().getTypeDataBase()); |
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41 } |
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42 }); |
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43 } |
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44 |
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45 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { |
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46 elemType = db.lookupType("u2"); |
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47 Type type = db.lookupType("Array<u2>"); |
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48 dataFieldOffset = type.getAddressField("_data").getOffset(); |
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49 } |
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50 |
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51 private static long dataFieldOffset; |
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52 protected static Type elemType; |
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53 |
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54 public U2Array(Address addr) { |
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55 super(addr, dataFieldOffset); |
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56 } |
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57 |
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58 public short at(int i) { |
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59 return (short)getIntegerAt(i); |
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60 } |
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61 |
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62 public Type getElemType() { |
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63 return elemType; |
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64 } |
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65 } |