1 /* 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 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 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.ci; 26 27 import java.io.*; 28 import java.util.*; 29 import sun.jvm.hotspot.debugger.*; 30 import sun.jvm.hotspot.code.*; 31 import sun.jvm.hotspot.runtime.*; 32 import sun.jvm.hotspot.oops.*; 33 import sun.jvm.hotspot.types.*; 34 35 public class ciMethod extends ciObject { 36 static { 37 VM.registerVMInitializedObserver(new Observer() { 38 public void update(Observable o, Object data) { 39 initialize(VM.getVM().getTypeDataBase()); 40 } 41 }); 42 } 43 44 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { 45 Type type = db.lookupType("ciMethod"); 46 interpreterThrowoutCountField = new CIntField(type.getCIntegerField("_interpreter_throwout_count"), 0); 47 interpreterInvocationCountField = new CIntField(type.getCIntegerField("_interpreter_invocation_count"), 0); 48 try { 49 // XXX 50 instructionsSizeField = new CIntField(type.getCIntegerField("_instructions_size"), 0); 51 } catch (Exception e) { 52 } 53 } 54 55 private static CIntField interpreterThrowoutCountField; 56 private static CIntField interpreterInvocationCountField; 57 private static CIntField instructionsSizeField; 58 59 public ciMethod(Address addr) { 60 super(addr); 61 } 62 63 public Method method() { 64 return (Method)getOop(); 65 } 66 67 public int interpreterThrowoutCount() { 68 return (int) interpreterThrowoutCountField.getValue(getAddress()); 69 } 70 71 public int interpreterInvocationCount() { 72 return (int) interpreterInvocationCountField.getValue(getAddress()); 73 } 74 75 public int instructionsSize() { 76 if (instructionsSizeField == null) { 77 // XXX 78 Method method = (Method)getOop(); 79 NMethod nm = method.getNativeMethod(); 80 if (nm != null) return (int)nm.codeEnd().minus(nm.getVerifiedEntryPoint()); 81 return 0; 82 } 83 return (int) instructionsSizeField.getValue(getAddress()); 84 } 85 86 public void printShortName(PrintStream st) { 87 Method method = (Method)getOop(); 88 st.printf(" %s::%s", method.getMethodHolder().getName().asString().replace('/', '.'), 89 method.getName().asString()); 90 } 91 }