/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.mmtk.plan.nogc;
import org.mmtk.plan.*;
import org.mmtk.policy.ImmortalSpace;
import org.mmtk.utility.heap.VMRequest;
import org.mmtk.vm.VM;
import org.vmmagic.pragma.*;
/**
* This class implements the global state of a a simple allocator
* without a collector.
*/
@Uninterruptible
public class NoGC extends Plan {
/*****************************************************************************
* Class variables
*/
/**
*
*/
public static final ImmortalSpace noGCSpace = new ImmortalSpace("default", VMRequest.discontiguous());
public static final int NOGC = noGCSpace.getDescriptor();
/*****************************************************************************
* Instance variables
*/
/**
*
*/
public final Trace trace = new Trace(metaDataSpace);
/*****************************************************************************
* Collection
*/
/**
* {@inheritDoc}
*/
@Inline
@Override
public final void collectionPhase(short phaseId) {
if (VM.VERIFY_ASSERTIONS) VM.assertions._assert(false);
/*
if (phaseId == PREPARE) {
}
if (phaseId == CLOSURE) {
}
if (phaseId == RELEASE) {
}
super.collectionPhase(phaseId);
*/
}
/*****************************************************************************
* Accounting
*/
/**
* {@inheritDoc}
* The superclass accounts for its spaces, we just
* augment this with the default space's contribution.
*/
@Override
public int getPagesUsed() {
return (noGCSpace.reservedPages() + super.getPagesUsed());
}
/*****************************************************************************
* Miscellaneous
*/
/**
* {@inheritDoc}
*/
@Interruptible
@Override
protected void registerSpecializedMethods() {
super.registerSpecializedMethods();
}
}