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.ci;
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26
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27 import java.io.*;
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28 import java.util.*;
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29 import sun.jvm.hotspot.debugger.*;
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30 import sun.jvm.hotspot.code.*;
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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.types.*;
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34
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35 public class ciMethod extends ciObject {
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36 static {
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37 VM.registerVMInitializedObserver(new Observer() {
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38 public void update(Observable o, Object data) {
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39 initialize(VM.getVM().getTypeDataBase());
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40 }
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41 });
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42 }
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43
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44 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
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45 Type type = db.lookupType("ciMethod");
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46 interpreterThrowoutCountField = new CIntField(type.getCIntegerField("_interpreter_throwout_count"), 0);
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47 interpreterInvocationCountField = new CIntField(type.getCIntegerField("_interpreter_invocation_count"), 0);
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48 try {
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49 // XXX
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50 instructionsSizeField = new CIntField(type.getCIntegerField("_instructions_size"), 0);
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51 } catch (Exception e) {
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52 }
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53 }
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54
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55 private static CIntField interpreterThrowoutCountField;
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56 private static CIntField interpreterInvocationCountField;
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57 private static CIntField instructionsSizeField;
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58
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59 public ciMethod(Address addr) {
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60 super(addr);
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61 }
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62
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63 public Method method() {
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64 return (Method)getOop();
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65 }
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66
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67 public int interpreterThrowoutCount() {
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68 return (int) interpreterThrowoutCountField.getValue(getAddress());
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69 }
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70
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71 public int interpreterInvocationCount() {
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72 return (int) interpreterInvocationCountField.getValue(getAddress());
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73 }
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74
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75 public int instructionsSize() {
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76 if (instructionsSizeField == null) {
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77 // XXX
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78 Method method = (Method)getOop();
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79 NMethod nm = method.getNativeMethod();
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80 if (nm != null) return (int)nm.codeEnd().minus(nm.getVerifiedEntryPoint());
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81 return 0;
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82 }
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83 return (int) instructionsSizeField.getValue(getAddress());
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84 }
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85
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86 public void printShortName(PrintStream st) {
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87 Method method = (Method)getOop();
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88 st.printf(" %s::%s", method.getMethodHolder().getName().asString().replace('/', '.'),
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89 method.getName().asString());
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90 }
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91 }
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