joeq.Allocator
Class DefaultHeapAllocator

java.lang.Object
  joeq.Allocator.DefaultHeapAllocator

public abstract class DefaultHeapAllocator
extends Object

Provides access functions to the default heap allocator for the current thread.

Version:

$Id: DefaultHeapAllocator.java,v 1.15 2004/08/07 10:00:39 joewhaley Exp $

Author:

John Whaley

Field Summary

static jq_StaticMethod	_allocateArray
static jq_StaticMethod	_allocateArrayAlign8
static jq_StaticMethod	_allocateObject
static jq_StaticMethod	_allocateObjectAlign8

Constructor Summary

DefaultHeapAllocator()

Method Summary

static Object	allocateArray(int length, int size, Object vtable) Allocate an array with the default heap allocator for the current thread.
static Object	allocateArrayAlign8(int length, int size, Object vtable) Allocate an aligned array with the default heap allocator for the current thread.
static Object	allocateObject(int size, Object vtable) Allocate an object with the default heap allocator for the current thread.
static Object	allocateObjectAlign8(int size, Object vtable) Allocate an aligned object with the default heap allocator for the current thread.
static void	collect()
static HeapAllocator	def() The default heap allocator for the current thread.
static int	freeMemory() Return the amount of free memory in the default heap allocator for the current thread.
static void	init() Initialize the default heap allocator for the current thread.
static boolean	isValidHeapAddress(Address a)
static void	processObjectReference(Address a)
static void	processPossibleObjectReference(Address a)
static int	totalMemory() Return the total amount of memory us the default heap allocator for the current thread.

Methods inherited from class java.lang.Object

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

Field Detail

_allocateObject

public static final jq_StaticMethod _allocateObject

_allocateObjectAlign8

public static final jq_StaticMethod _allocateObjectAlign8

_allocateArray

public static final jq_StaticMethod _allocateArray

_allocateArrayAlign8

public static final jq_StaticMethod _allocateArrayAlign8

Constructor Detail

DefaultHeapAllocator

public DefaultHeapAllocator()

Method Detail

def

public static final HeapAllocator def()

The default heap allocator for the current thread.

Returns:

default heap allocator for the current thread

init

public static final void init()
                       throws OutOfMemoryError

Initialize the default heap allocator for the current thread.

Throws:

OutOfMemoryError

allocateObject

public static final Object allocateObject(int size,
                                          Object vtable)
                                   throws OutOfMemoryError

Allocate an object with the default heap allocator for the current thread.

Throws:

OutOfMemoryError

allocateObjectAlign8

public static final Object allocateObjectAlign8(int size,
                                                Object vtable)
                                         throws OutOfMemoryError

Allocate an aligned object with the default heap allocator for the current thread.

Throws:

OutOfMemoryError

allocateArray

public static final Object allocateArray(int length,
                                         int size,
                                         Object vtable)
                                  throws OutOfMemoryError,
                                         NegativeArraySizeException

Allocate an array with the default heap allocator for the current thread.

Throws:

OutOfMemoryError

NegativeArraySizeException

allocateArrayAlign8

public static final Object allocateArrayAlign8(int length,
                                               int size,
                                               Object vtable)
                                        throws OutOfMemoryError,
                                               NegativeArraySizeException

Allocate an aligned array with the default heap allocator for the current thread.

Throws:

OutOfMemoryError

NegativeArraySizeException

freeMemory

public static final int freeMemory()

Return the amount of free memory in the default heap allocator for the current thread.

Throws:

OutOfMemoryError

totalMemory

public static final int totalMemory()

Return the total amount of memory us the default heap allocator for the current thread.

Throws:

OutOfMemoryError

collect

public static final void collect()

isValidHeapAddress

public static final boolean isValidHeapAddress(Address a)

processObjectReference

public static final void processObjectReference(Address a)

processPossibleObjectReference

public static final void processPossibleObjectReference(Address a)