org.jikesrvm.objectmodel

Class FieldLayoutPacked

java.lang.Object

org.jikesrvm.objectmodel.FieldLayout

org.jikesrvm.objectmodel.FieldLayoutPacked

public class FieldLayoutPacked
extends FieldLayout

Layout fields in an object, packed like sardines in a crushed tin box.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	FieldLayoutPacked.LayoutContext Lay out an object, maintaining offsets of free slots of size 1,2,4 and 8 bytes.

Field Summary

Fields inherited from class org.jikesrvm.objectmodel.FieldLayout

DEBUG

Constructor Summary

Constructors

Constructor and Description
FieldLayoutPacked(boolean largeFieldsFirst, boolean clusterReferenceFields)

Method Summary

Modifier and Type	Method and Description
protected FieldLayoutContext	getLayoutContext(RVMClass klass) Return the appropriate layout context object for the given class.

Methods inherited from class org.jikesrvm.objectmodel.FieldLayout

layoutField, layoutInstanceFields, log2, setOffset, updateClass

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FieldLayoutPacked

public FieldLayoutPacked(boolean largeFieldsFirst,
                         boolean clusterReferenceFields)

Method Detail

getLayoutContext

protected FieldLayoutContext getLayoutContext(RVMClass klass)

Description copied from class: FieldLayout

Return the appropriate layout context object for the given class.

Specified by:

getLayoutContext in class FieldLayout

Parameters:

klass - the class to layout

Returns:

The layout context

See Also:

FieldLayout.getLayoutContext(RVMClass)