Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/MethodData.java @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | a61af66fc99e |
| children | f6f3bb0ee072 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.oops; | |
| 26 | |
| 27 import java.io.*; | |
| 28 import java.util.*; | |
| 29 import sun.jvm.hotspot.debugger.*; | |
| 30 import sun.jvm.hotspot.runtime.*; | |
| 31 import sun.jvm.hotspot.types.*; | |
| 32 import sun.jvm.hotspot.utilities.*; | |
| 33 | |
| 34 // A MethodData provides interpreter profiling information | |
| 35 | |
| 36 public class MethodData extends Oop { | |
| 37 static { | |
| 38 VM.registerVMInitializedObserver(new Observer() { | |
| 39 public void update(Observable o, Object data) { | |
| 40 initialize(VM.getVM().getTypeDataBase()); | |
| 41 } | |
| 42 }); | |
| 43 } | |
| 44 | |
| 45 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { | |
| 46 Type type = db.lookupType("methodDataOopDesc"); | |
| 47 baseOffset = type.getSize(); | |
| 48 | |
| 49 size = new CIntField(type.getCIntegerField("_size"), 0); | |
| 50 method = new OopField(type.getOopField("_method"), 0); | |
| 51 // FIXME: add more fields and accessors | |
| 52 } | |
| 53 | |
| 54 MethodData(OopHandle handle, ObjectHeap heap) { | |
| 55 super(handle, heap); | |
| 56 } | |
| 57 | |
| 58 public boolean isMethodData() { return true; } | |
| 59 | |
| 60 private static long baseOffset; | |
| 61 private static CIntField size; | |
| 62 private static OopField method; | |
| 63 | |
| 64 public long getObjectSize() { | |
| 65 return alignObjectSize(size.getValue(this)); | |
| 66 } | |
| 67 | |
| 68 public Method getMethod() { | |
| 69 return (Method) method.getValue(this); | |
| 70 } | |
| 71 | |
| 72 public void printValueOn(PrintStream tty) { | |
| 73 Method m = getMethod(); | |
| 74 tty.print("MethodData for " + m.getName().asString() + m.getSignature().asString()); | |
| 75 } | |
| 76 | |
| 77 public void iterateFields(OopVisitor visitor, boolean doVMFields) { | |
| 78 super.iterateFields(visitor, doVMFields); | |
| 79 if (doVMFields) { | |
| 80 visitor.doOop(method, true); | |
| 81 visitor.doCInt(size, true); | |
| 82 } | |
| 83 } | |
| 84 } |