1/* 2 * Copyright (c) 2011, 2016, 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 25package sun.jvm.hotspot.oops; 26 27import java.io.*; 28import java.util.*; 29import sun.jvm.hotspot.debugger.*; 30import sun.jvm.hotspot.runtime.*; 31import sun.jvm.hotspot.types.*; 32import sun.jvm.hotspot.utilities.*; 33 34// VirtualCallData 35// 36// A VirtualCallData is used to access profiling information about a 37// call. For now, it has nothing more than a ReceiverTypeData. 38public class VirtualCallData<K,M> extends ReceiverTypeData<K,M> { 39 public VirtualCallData(MethodDataInterface<K,M> methodData, DataLayout layout) { 40 super(methodData, layout); 41 //assert(layout.tag() == DataLayout.virtualCallDataTag, "wrong type"); 42 } 43 44 static int staticCellCount() { 45 // At this point we could add more profile state, e.g., for arguments. 46 // But for now it's the same size as the base record type. 47 int cellCount = ReceiverTypeData.staticCellCount(); 48 if (INCLUDE_JVMCI == 1) { 49 cellCount += MethodData.MethodProfileWidth * receiverTypeRowCellCount; 50 } 51 return cellCount; 52 } 53 54 public int cellCount() { 55 return staticCellCount(); 56 } 57 58 // Direct accessors 59 static int virtualCallDataSize() { 60 return cellOffset(staticCellCount()); 61 } 62 63 public void printDataOn(PrintStream st) { 64 printShared(st, "VirtualCallData"); 65 printReceiverDataOn(st); 66 } 67} 68