/*
* 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.utility.heap.layout;
import org.mmtk.vm.VM;
import org.vmmagic.pragma.Uninterruptible;
/**
* Encapsulate all the components that contribute to the layout of the heap
* in virtual memory. This gives us a pluggable choice of heap layouts.<p>
*
* The class consists largely of static members containing singletons that implement
* the various design choices.
*/
@Uninterruptible
public final class HeapLayout {
/****************************************************************************
* Class variables
*/
public static final Map vmMap =
VM.HEAP_LAYOUT_32BIT ? new Map32() : new Map64();
public static final Mmapper mmapper =
VM.HEAP_LAYOUT_32BIT ? new ByteMapMmapper() : new FragmentedMmapper();
}