/*
* 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.memory.SystemDictionary;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.oops.*;
import sun.jvm.hotspot.types.Type;
import sun.jvm.hotspot.types.TypeDataBase;
import sun.jvm.hotspot.types.WrongTypeException;
public class ciInstanceKlass extends ciKlass {
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("ciInstanceKlass");
initStateField = new CIntField(type.getCIntegerField("_init_state"), 0);
isSharedField = new CIntField(type.getCIntegerField("_is_shared"), 0);
CLASS_STATE_LINKED = db.lookupIntConstant("InstanceKlass::linked").intValue();
CLASS_STATE_FULLY_INITIALIZED = db.lookupIntConstant("InstanceKlass::fully_initialized").intValue();
}
private static CIntField initStateField;
private static CIntField isSharedField;
private static int CLASS_STATE_LINKED;
private static int CLASS_STATE_FULLY_INITIALIZED;
public ciInstanceKlass(Address addr) {
super(addr);
}
public int initState() {
int initState = (int)initStateField.getValue(getAddress());
if (isShared() && initState < CLASS_STATE_LINKED) {
InstanceKlass ik = (InstanceKlass)getMetadata();
initState = ik.getInitStateAsInt();
}
return initState;
}
public boolean isShared() {
return isSharedField.getValue(getAddress()) != 0;
}
public boolean isLinked() {
return initState() >= CLASS_STATE_LINKED;
}
public boolean isInitialized() {
return initState() == CLASS_STATE_FULLY_INITIALIZED;
}
public void dumpReplayData(PrintStream out) {
InstanceKlass ik = (InstanceKlass)getMetadata();
ConstantPool cp = ik.getConstants();
// Try to record related loaded classes
Klass sub = ik.getSubklassKlass();
while (sub != null) {
if (sub instanceof InstanceKlass) {
out.println("instanceKlass " + sub.getName().asString());
}
sub = sub.getNextSiblingKlass();
}
final int length = (int) cp.getLength();
out.print("ciInstanceKlass " + name() + " " + (isLinked() ? 1 : 0) + " " + (isInitialized() ? 1 : 0) + " " + length);
for (int index = 1; index < length; index++) {
out.print(" " + cp.getTags().at(index));
}
out.println();
if (isInitialized()) {
Field[] staticFields = ik.getStaticFields();
for (int i = 0; i < staticFields.length; i++) {
Field f = staticFields[i];
Oop mirror = ik.getJavaMirror();
if (f.isFinal() && !f.hasInitialValue()) {
out.print("staticfield " + name() + " " +
OopUtilities.escapeString(f.getID().getName()) + " " +
f.getFieldType().getSignature().asString() + " ");
if (f instanceof ByteField) {
ByteField bf = (ByteField)f;
out.println(bf.getValue(mirror));
} else if (f instanceof BooleanField) {
BooleanField bf = (BooleanField)f;
out.println(bf.getValue(mirror) ? 1 : 0);
} else if (f instanceof ShortField) {
ShortField bf = (ShortField)f;
out.println(bf.getValue(mirror));
} else if (f instanceof CharField) {
CharField bf = (CharField)f;
out.println(bf.getValue(mirror) & 0xffff);
} else if (f instanceof IntField) {
IntField bf = (IntField)f;
out.println(bf.getValue(mirror));
} else if (f instanceof LongField) {
LongField bf = (LongField)f;
out.println(bf.getValue(mirror));
} else if (f instanceof FloatField) {
FloatField bf = (FloatField)f;
out.println(Float.floatToRawIntBits(bf.getValue(mirror)));
} else if (f instanceof DoubleField) {
DoubleField bf = (DoubleField)f;
out.println(Double.doubleToRawLongBits(bf.getValue(mirror)));
} else if (f instanceof OopField) {
OopField bf = (OopField)f;
Oop value = bf.getValue(mirror);
if (value == null) {
out.println("null");
} else if (value.isInstance()) {
Instance inst = (Instance)value;
if (inst.isA(SystemDictionary.getStringKlass())) {
out.println("\"" + OopUtilities.stringOopToEscapedString(inst) + "\"");
} else {
out.println(inst.getKlass().getName().asString());
}
} else if (value.isObjArray()) {
ObjArray oa = (ObjArray)value;
Klass ek = (ObjArrayKlass)oa.getKlass();
out.println(oa.getLength() + " " + ek.getName().asString());
} else if (value.isTypeArray()) {
TypeArray ta = (TypeArray)value;
out.println(ta.getLength());
} else {
out.println(value);
}
}
}
}
}
}
}