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/*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.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.code.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.oops.*;
import sun.jvm.hotspot.types.*;
public class ciMethod 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("ciMethod");
interpreterThrowoutCountField = new CIntField(type.getCIntegerField("_interpreter_throwout_count"), 0);
interpreterInvocationCountField = new CIntField(type.getCIntegerField("_interpreter_invocation_count"), 0);
try {
// XXX
instructionsSizeField = new CIntField(type.getCIntegerField("_instructions_size"), 0);
} catch (Exception e) {
}
}
private static CIntField interpreterThrowoutCountField;
private static CIntField interpreterInvocationCountField;
private static CIntField instructionsSizeField;
public ciMethod(Address addr) {
super(addr);
}
public Method method() {
return (Method)getMetadata();
}
public int interpreterThrowoutCount() {
return (int) interpreterThrowoutCountField.getValue(getAddress());
}
public int interpreterInvocationCount() {
return (int) interpreterInvocationCountField.getValue(getAddress());
}
public int instructionsSize() {
if (instructionsSizeField == null) {
// XXX
Method method = method();
NMethod nm = method.getNativeMethod();
if (nm != null) return (int)nm.codeEnd().minus(nm.getVerifiedEntryPoint());
return 0;
}
return (int) instructionsSizeField.getValue(getAddress());
}
public void printShortName(PrintStream st) {
Method method = method();
st.printf(" %s::%s", method.getMethodHolder().getName().asString().replace('/', '.'),
method.getName().asString());
}
}
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