| /* |
| * Copyright (c) 2004, 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.runtime; |
| |
| import java.util.*; |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.oops.*; |
| import sun.jvm.hotspot.types.*; |
| |
| public class PerfDataPrologue extends VMObject { |
| private static JIntField magicField; |
| private static JByteField byteOrderField; |
| private static JByteField majorVersionField; |
| private static JByteField minorVersionField; |
| private static JByteField accessibleField; |
| private static JIntField usedField; |
| private static JIntField overflowField; |
| private static JLongField modTimeStampField; |
| private static JIntField entryOffsetField; |
| private static JIntField numEntriesField; |
| |
| static { |
| VM.registerVMInitializedObserver(new Observer() { |
| public void update(Observable o, Object data) { |
| initialize(VM.getVM().getTypeDataBase()); |
| } |
| }); |
| } |
| |
| private static synchronized void initialize(TypeDataBase db) { |
| Type type = db.lookupType("PerfDataPrologue"); |
| magicField = type.getJIntField("magic"); |
| byteOrderField = type.getJByteField("byte_order"); |
| majorVersionField = type.getJByteField("major_version"); |
| minorVersionField = type.getJByteField("minor_version"); |
| accessibleField = type.getJByteField("accessible"); |
| usedField = type.getJIntField("used"); |
| overflowField = type.getJIntField("overflow"); |
| modTimeStampField = type.getJLongField("mod_time_stamp"); |
| entryOffsetField = type.getJIntField("entry_offset"); |
| numEntriesField = type.getJIntField("num_entries"); |
| } |
| |
| public PerfDataPrologue(Address addr) { |
| super(addr); |
| } |
| |
| // Accessors |
| public int magic() { |
| return (int) magicField.getValue(addr); |
| } |
| |
| public byte byteOrder() { |
| return (byte) byteOrderField.getValue(addr); |
| } |
| |
| public byte majorVersion() { |
| return (byte) majorVersionField.getValue(addr); |
| } |
| |
| public boolean accessible() { |
| return ((byte) accessibleField.getValue(addr)) != (byte)0; |
| } |
| |
| public int used() { |
| return (int) usedField.getValue(addr); |
| } |
| |
| public int overflow() { |
| return (int) overflowField.getValue(addr); |
| } |
| |
| public long modTimeStamp() { |
| return (long) modTimeStampField.getValue(addr); |
| } |
| |
| public int entryOffset() { |
| return (int) entryOffsetField.getValue(addr); |
| } |
| |
| public int numEntries() { |
| return (int) numEntriesField.getValue(addr); |
| } |
| } |