harpoon.Backend.PreciseC
Class PGCNiftyAllocationStrategy

java.lang.Object
  |
  +--harpoon.Backend.Runtime1.AllocationStrategy
        |
        +--harpoon.Backend.Runtime1.MallocAllocationStrategy
              |
              +--harpoon.Backend.Runtime1.NiftyAllocationStrategy
                    |
                    +--harpoon.Backend.PreciseC.PGCNiftyAllocationStrategy
Direct Known Subclasses:
PGCNiftyAllocationStrategyWithStats

public class PGCNiftyAllocationStrategy
extends NiftyAllocationStrategy

PGCNiftyAllocationStrategy uses alloca() instead of NSTK_alloc to do stack allocation. Other than this, it is identical to NiftyAllocationStrategy.

Version:
$Id: PGCNiftyAllocationStrategy.java,v 1.2 2002/02/25 21:02:09 cananian Exp $
Author:
C. Scott Ananian <cananian@alumni.princeton.edu>

Field Summary
 
Fields inherited from class harpoon.Backend.Runtime1.MallocAllocationStrategy
frame
 
Constructor Summary
PGCNiftyAllocationStrategy(Frame f)
          Creates a PGCNiftyAllocationStrategy.
 
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

PGCNiftyAllocationStrategy

public PGCNiftyAllocationStrategy(Frame f)
Creates a PGCNiftyAllocationStrategy.

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 NiftyAllocationStrategy