1 /* 2 * Copyright (c) 2011, 2012, 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.ci; 26 27 import java.io.PrintStream; 28 import java.util.*; 29 import sun.jvm.hotspot.debugger.*; 30 import sun.jvm.hotspot.runtime.*; 31 import sun.jvm.hotspot.oops.*; 32 import sun.jvm.hotspot.opto.*; 33 import sun.jvm.hotspot.compiler.CompileTask; 34 import sun.jvm.hotspot.prims.JvmtiExport; 35 import sun.jvm.hotspot.types.*; 36 import sun.jvm.hotspot.utilities.GrowableArray; 37 38 public class ciEnv extends VMObject { 39 static { 40 VM.registerVMInitializedObserver(new Observer() { 41 public void update(Observable o, Object data) { 42 initialize(VM.getVM().getTypeDataBase()); 43 } 44 }); 45 } 46 47 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { 48 Type type = db.lookupType("ciEnv"); 49 dependenciesField = type.getAddressField("_dependencies"); 50 factoryField = type.getAddressField("_factory"); 51 compilerDataField = type.getAddressField("_compiler_data"); 52 taskField = type.getAddressField("_task"); 53 systemDictionaryModificationCounterField = new CIntField(type.getCIntegerField("_system_dictionary_modification_counter"), 0); 54 } 55 56 private static AddressField dependenciesField; 57 private static AddressField factoryField; 58 private static AddressField compilerDataField; 59 private static AddressField taskField; 60 private static CIntField systemDictionaryModificationCounterField; 61 62 public ciEnv(Address addr) { 63 super(addr); 64 } 65 66 public Compile compilerData() { 67 return new Compile(compilerDataField.getValue(this.getAddress())); 68 } 69 70 public ciObjectFactory factory() { 71 return new ciObjectFactory(factoryField.getValue(this.getAddress())); 72 } 73 74 public CompileTask task() { 75 return new CompileTask(taskField.getValue(this.getAddress())); 76 } 77 78 public void dumpReplayData(PrintStream out) { 79 out.println("JvmtiExport can_access_local_variables " + 80 (JvmtiExport.canAccessLocalVariables() ? '1' : '0')); 81 out.println("JvmtiExport can_hotswap_or_post_breakpoint " + 82 (JvmtiExport.canHotswapOrPostBreakpoint() ? '1' : '0')); 83 out.println("JvmtiExport can_post_on_exceptions " + 84 (JvmtiExport.canPostOnExceptions() ? '1' : '0')); 85 86 GrowableArray<ciMetadata> objects = factory().objects(); 87 out.println("# " + objects.length() + " ciObject found"); 88 for (int i = 0; i < objects.length(); i++) { 89 ciMetadata o = objects.at(i); 90 out.println("# ciMetadata" + i + " @ " + o); 91 o.dumpReplayData(out); 92 } 93 CompileTask task = task(); 94 Method method = task.method(); 95 int entryBci = task.osrBci(); 96 int compLevel = task.compLevel(); 97 Klass holder = method.getMethodHolder(); 98 out.print("compile " + holder.getName().asString() + " " + 99 OopUtilities.escapeString(method.getName().asString()) + " " + 100 method.getSignature().asString() + " " + 101 entryBci + " " + compLevel); 102 Compile compiler = compilerData(); 103 if (compiler != null) { 104 // Dump inlining data. 105 compiler.dumpInlineData(out); 106 } 107 out.println(); 108 } 109 }