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annotate agent/src/share/classes/sun/jvm/hotspot/oops/OopVisitor.java @ 3939:f6f3bb0ee072

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7088955: add C2 IR support to the SA Reviewed-by: kvn
author never
date Sun, 11 Sep 2011 14:48:24 -0700
parents c18cbe5936b8
children da91efe96a93
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1 /*
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2 * Copyright (c) 2000, 2008, 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.oops;
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26
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27 // An OopVisitor can be used to inspect all fields within an object.
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28 // Fields include vm fields, java fields, indexable fields.
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29
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30 public interface OopVisitor {
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31 // Called before visiting an object
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32 public void prologue();
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33
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34 // Called after visiting an object
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35 public void epilogue();
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36
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37 public void setObj(Oop obj);
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38
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39 // Returns the object being visited
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40 public Oop getObj();
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41
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42 // Callback methods for each field type in an object
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43 public void doOop(OopField field, boolean isVMField);
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ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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44 public void doOop(NarrowOopField field, boolean isVMField);
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45 public void doByte(ByteField field, boolean isVMField);
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46 public void doChar(CharField field, boolean isVMField);
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47 public void doBoolean(BooleanField field, boolean isVMField);
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48 public void doShort(ShortField field, boolean isVMField);
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49 public void doInt(IntField field, boolean isVMField);
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50 public void doLong(LongField field, boolean isVMField);
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51 public void doFloat(FloatField field, boolean isVMField);
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52 public void doDouble(DoubleField field, boolean isVMField);
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53 public void doCInt(CIntField field, boolean isVMField);
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54 };