/*
* 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.opto;
import java.io.PrintStream;
import java.util.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.oops.*;
import sun.jvm.hotspot.ci.*;
import sun.jvm.hotspot.types.*;
public class JVMState extends VMObject {
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("JVMState");
mapField = type.getAddressField("_map");
methodField = type.getAddressField("_method");
bciField = new CIntField(type.getCIntegerField("_bci"), 0);
spField = new CIntField(type.getCIntegerField("_sp"), 0);
endoffField = new CIntField(type.getCIntegerField("_endoff"), 0);
try {
scloffField = new CIntField(type.getCIntegerField("_scloff"), 0);
} catch (Exception e) {
}
monoffField = new CIntField(type.getCIntegerField("_monoff"), 0);
stkoffField = new CIntField(type.getCIntegerField("_stkoff"), 0);
locoffField = new CIntField(type.getCIntegerField("_locoff"), 0);
depthField = new CIntField(type.getCIntegerField("_depth"), 0);
callerField = type.getAddressField("_caller");
}
private static AddressField mapField;
private static AddressField methodField;
private static CIntField bciField;
private static CIntField spField;
private static CIntField endoffField;
private static CIntField scloffField;
private static CIntField monoffField;
private static CIntField stkoffField;
private static CIntField locoffField;
private static CIntField depthField;
private static AddressField callerField;
public static JVMState create(Address addr) {
if (addr == null) return null;
return new JVMState(addr);
}
public JVMState(Address addr) {
super(addr);
}
public ciMethod method() {
return (ciMethod) ciObjectFactory.getMetadata(methodField.getValue(getAddress()));
}
public int bci() {
return (int)bciField.getValue(getAddress());
}
public int depth() {
return (int)depthField.getValue(getAddress());
}
public JVMState caller() {
return create(callerField.getValue(getAddress()));
}
/**代码未完, 请加载全部代码(NowJava.com).**/