| /* |
| * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.ci; |
| |
| import java.io.*; |
| import java.util.*; |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.oops.*; |
| import sun.jvm.hotspot.types.*; |
| |
| public class ciMethodData extends ciMetadata { |
| static { |
| VM.registerVMInitializedObserver(new Observer() { |
| public void update(Observable o, Object data) { |
| initialize(VM.getVM().getTypeDataBase()); |
| } |
| }); |
| } |
| |
| private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { |
| Type type = db.lookupType("ciMethodData"); |
| origField = type.getAddressField("_orig"); |
| currentMileageField = new CIntField(type.getCIntegerField("_current_mileage"), 0); |
| argReturnedField = new CIntField(type.getCIntegerField("_arg_returned"), 0); |
| argStackField = new CIntField(type.getCIntegerField("_arg_stack"), 0); |
| argLocalField = new CIntField(type.getCIntegerField("_arg_local"), 0); |
| eflagsField = new CIntField(type.getCIntegerField("_eflags"), 0); |
| hintDiField = new CIntField(type.getCIntegerField("_hint_di"), 0); |
| currentMileageField = new CIntField(type.getCIntegerField("_current_mileage"), 0); |
| dataField = type.getAddressField("_data"); |
| extraDataSizeField = new CIntField(type.getCIntegerField("_extra_data_size"), 0); |
| dataSizeField = new CIntField(type.getCIntegerField("_data_size"), 0); |
| stateField = new CIntField(type.getCIntegerField("_state"), 0); |
| sizeofMethodDataOopDesc = (int)db.lookupType("MethodData").getSize();; |
| } |
| |
| private static AddressField origField; |
| private static CIntField currentMileageField; |
| private static CIntField argReturnedField; |
| private static CIntField argStackField; |
| private static CIntField argLocalField; |
| private static CIntField eflagsField; |
| private static CIntField hintDiField; |
| private static AddressField dataField; |
| private static CIntField extraDataSizeField; |
| private static CIntField dataSizeField; |
| private static CIntField stateField; |
| private static int sizeofMethodDataOopDesc; |
| |
| public ciMethodData(Address addr) { |
| super(addr); |
| } |
| |
| private byte[] fetchDataAt(Address base, long size) { |
| byte[] result = new byte[(int)size]; |
| for (int i = 0; i < size; i++) { |
| result[i] = base.getJByteAt(i); |
| } |
| return result; |
| } |
| |
| public byte[] orig() { |
| // fetch the orig MethodData data between header and dataSize |
| Address base = getAddress().addOffsetTo(origField.getOffset()); |
| byte[] result = new byte[MethodData.sizeofMethodDataOopDesc]; |
| for (int i = 0; i < MethodData.sizeofMethodDataOopDesc; i++) { |
| result[i] = base.getJByteAt(i); |
| } |
| return result; |
| } |
| |
| public long[] data() { |
| // Read the data as an array of intptr_t elements |
| Address base = dataField.getValue(getAddress()); |
| int elements = dataSize() / MethodData.cellSize; |
| long[] result = new long[elements]; |
| for (int i = 0; i < elements; i++) { |
| Address value = base.getAddressAt(i * MethodData.cellSize); |
| if (value != null) { |
| result[i] = value.minus(null); |
| } |
| } |
| return result; |
| } |
| |
| int dataSize() { |
| return (int)dataSizeField.getValue(getAddress()); |
| } |
| |
| int state() { |
| return (int)stateField.getValue(getAddress()); |
| } |
| |
| int currentMileage() { |
| return (int)currentMileageField.getValue(getAddress()); |
| } |
| |
| boolean outOfBounds(int dataIndex) { |
| return dataIndex >= dataSize(); |
| } |
| |
| ProfileData dataAt(int dataIndex) { |
| if (outOfBounds(dataIndex)) { |
| return null; |
| } |
| DataLayout dataLayout = new DataLayout(dataField.getValue(getAddress()), dataIndex); |
| |
| switch (dataLayout.tag()) { |
| case DataLayout.noTag: |
| default: |
| throw new InternalError(); |
| case DataLayout.bitDataTag: |
| return new BitData(dataLayout); |
| case DataLayout.counterDataTag: |
| return new CounterData(dataLayout); |
| case DataLayout.jumpDataTag: |
| return new JumpData(dataLayout); |
| case DataLayout.receiverTypeDataTag: |
| return new ciReceiverTypeData(dataLayout); |
| case DataLayout.virtualCallDataTag: |
| return new ciVirtualCallData(dataLayout); |
| case DataLayout.retDataTag: |
| return new RetData(dataLayout); |
| case DataLayout.branchDataTag: |
| return new BranchData(dataLayout); |
| case DataLayout.multiBranchDataTag: |
| return new MultiBranchData(dataLayout); |
| } |
| } |
| |
| int dpToDi(int dp) { |
| return dp; |
| } |
| |
| int firstDi() { return 0; } |
| ProfileData firstData() { return dataAt(firstDi()); } |
| ProfileData nextData(ProfileData current) { |
| int currentIndex = dpToDi(current.dp()); |
| int nextIndex = currentIndex + current.sizeInBytes(); |
| return dataAt(nextIndex); |
| } |
| boolean isValid(ProfileData current) { return current != null; } |
| |
| public void printDataOn(PrintStream st) { |
| ProfileData data = firstData(); |
| for ( ; isValid(data); data = nextData(data)) { |
| st.print(dpToDi(data.dp())); |
| st.print(" "); |
| // st->fillTo(6); |
| data.printDataOn(st); |
| } |
| } |
| |
| public void dumpReplayData(PrintStream out) { |
| MethodData mdo = (MethodData)getMetadata(); |
| Method method = mdo.getMethod(); |
| Klass holder = method.getMethodHolder(); |
| out.print("ciMethodData " + |
| holder.getName().asString() + " " + |
| OopUtilities.escapeString(method.getName().asString()) + " " + |
| method.getSignature().asString() + " " + |
| state() + " " + currentMileage()); |
| byte[] orig = orig(); |
| out.print(" orig " + orig.length); |
| for (int i = 0; i < orig.length; i++) { |
| out.print(" " + (orig[i] & 0xff)); |
| } |
| |
| long[] data = data(); |
| out.print(" data " + data.length); |
| for (int i = 0; i < data.length; i++) { |
| out.print(" 0x" + Long.toHexString(data[i])); |
| } |
| int count = 0; |
| for (int round = 0; round < 2; round++) { |
| if (round == 1) out.print(" oops " + count); |
| ProfileData pdata = firstData(); |
| for ( ; isValid(pdata); pdata = nextData(pdata)) { |
| if (pdata instanceof ciReceiverTypeData) { |
| ciReceiverTypeData vdata = (ciReceiverTypeData)pdata; |
| for (int i = 0; i < vdata.rowLimit(); i++) { |
| ciKlass k = vdata.receiverAt(i); |
| if (k != null) { |
| if (round == 0) count++; |
| else out.print(" " + ((vdata.dp() + vdata.cellOffset(vdata.receiverCellIndex(i))) / MethodData.cellSize) + " " + k.name()); |
| } |
| } |
| } else if (pdata instanceof ciVirtualCallData) { |
| ciVirtualCallData vdata = (ciVirtualCallData)pdata; |
| for (int i = 0; i < vdata.rowLimit(); i++) { |
| ciKlass k = vdata.receiverAt(i); |
| if (k != null) { |
| if (round == 0) count++; |
| else out.print(" " + ((vdata.dp() + vdata.cellOffset(vdata.receiverCellIndex(i))) / MethodData.cellSize + " " + k.name())); |
| } |
| } |
| } |
| } |
| } |
| out.println(); |
| } |
| } |