3939
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1 /*
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2 * Copyright (c) 2011, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any 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.opto;
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26
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27 import java.util.*;
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28 import java.io.PrintStream;
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29 import sun.jvm.hotspot.ci.*;
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30 import sun.jvm.hotspot.debugger.*;
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31 import sun.jvm.hotspot.runtime.*;
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32 import sun.jvm.hotspot.oops.*;
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33 import sun.jvm.hotspot.utilities.GrowableArray;
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34 import sun.jvm.hotspot.types.*;
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35
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36 public class InlineTree extends VMObject {
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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 Type type = db.lookupType("InlineTree");
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47 callerJvmsField = type.getAddressField("_caller_jvms");
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48 methodField = type.getAddressField("_method");
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49 callerTreeField = type.getAddressField("_caller_tree");
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50 subtreesField = type.getAddressField("_subtrees");
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51 }
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52
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53 private static AddressField callerJvmsField;
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54 private static AddressField methodField;
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55 private static AddressField callerTreeField;
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56 private static AddressField subtreesField;
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57
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58 private static StaticBaseConstructor inlineTreeConstructor = new StaticBaseConstructor<InlineTree>(InlineTree.class);
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59
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60 public InlineTree(Address addr) {
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61 super(addr);
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62 }
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63
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64 public InlineTree callerTree() {
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65 Address addr = callerTreeField.getValue(getAddress());
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66 if (addr == null) return null;
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67
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68 return new InlineTree(addr);
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69 }
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70
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71 public ciMethod method() {
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72 return (ciMethod) ciObjectFactory.get(methodField.getValue(getAddress()));
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73 }
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74
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75 public JVMState callerJvms() {
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76 return JVMState.create(callerJvmsField.getValue(getAddress()));
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77 }
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78
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79 public int callerBci() {
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80 JVMState jvms = callerJvms();
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81 return (jvms != null) ? jvms.bci() : -1;
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82 }
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83
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84 public GrowableArray<InlineTree> subtrees() {
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85 Address addr = getAddress().addOffsetTo(subtreesField.getOffset());
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86
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87 return GrowableArray.create(addr, inlineTreeConstructor);
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88 }
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89
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90 public void printImpl(PrintStream st, int indent) {
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91 for (int i = 0; i < indent; i++) st.print(" ");
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92 st.printf(" @ %d ", callerBci());
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93 method().printShortName(st);
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94 st.println();
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95
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96 GrowableArray<InlineTree> subt = subtrees();
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97 for (int i = 0 ; i < subt.length(); i++) {
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98 subt.at(i).printImpl(st, indent + 2);
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99 }
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100 }
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101 public void print(PrintStream st) {
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102 printImpl(st, 2);
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103 }
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104 }
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