harpoon.Backend.Runtime1
Class SPAllocationStrategy

java.lang.Object
  harpoon.Backend.Runtime1.AllocationStrategy
      harpoon.Backend.Runtime1.MallocAllocationStrategy
          harpoon.Backend.Runtime1.SPAllocationStrategy

All Implemented Interfaces:

Serializable

public class SPAllocationStrategy
extends MallocAllocationStrategy

SPAllocationStrategy implements a "semi-precise" allocation strategy by providing the BDW collector with more precise information about pointer locations.

Version:

$Id: SPAllocationStrategy.java,v 1.4 2002/04/10 03:03:20 cananian Exp $

Author:

Karen K. Zee <kkz@alum.mit.edu>

See Also:

Serialized Form

Field Summary

Fields inherited from class harpoon.Backend.Runtime1.MallocAllocationStrategy

frame

Constructor Summary

SPAllocationStrategy(Frame f)
Creates a SPAllocationStrategy.

Method Summary

Exp	memAlloc(TreeFactory tf, HCodeElement source, DerivationGenerator dg, AllocationInformation.AllocationProperties ap, Exp length) Return a Tree.Exp created with the given TreeFactory that returns a pointer to a piece of memory length bytes long.

Methods inherited from class harpoon.Backend.Runtime1.MallocAllocationStrategy

buildAllocCall, DECLARE, DECLARE

Methods inherited from class java.lang.Object

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

Constructor Detail

SPAllocationStrategy

public SPAllocationStrategy(Frame f)

Creates a SPAllocationStrategy.

Method Detail

memAlloc

public Exp memAlloc(TreeFactory tf,
                    HCodeElement source,
                    DerivationGenerator dg,
                    AllocationInformation.AllocationProperties ap,
                    Exp length)

Description copied from class: AllocationStrategy

Return a Tree.Exp created with the given TreeFactory that returns a pointer to a piece of memory length bytes long.

Overrides:

memAlloc in class MallocAllocationStrategy