sun.jvm.hotspot.gc_implementation.shared

Class ImmutableSpace

java.lang.Object

sun.jvm.hotspot.runtime.VMObject

sun.jvm.hotspot.gc_implementation.shared.ImmutableSpace

Direct Known Subclasses:

MutableSpace

public abstract class ImmutableSpace
extends VMObject

Field Summary

Fields inherited from class sun.jvm.hotspot.runtime.VMObject

addr

Constructor Summary

Constructors

Constructor and Description
ImmutableSpace(Address addr)

Method Summary

Modifier and Type	Method and Description
Address	bottom()
OopHandle	bottomAsOopHandle() Support for iteration over heap -- not sure how this will interact with GC in reflective system, but necessary for the debugging mechanism
long	capacity() Returned value is in bytes
boolean	contains(Address p) Testers
Address	end()
abstract java.util.List	getLiveRegions() returns all MemRegions where live objects are
void	print()
abstract void	printOn(java.io.PrintStream tty)
abstract long	used()
MemRegion	usedRegion() Returns a subregion of the space containing all the objects in the space.

Methods inherited from class sun.jvm.hotspot.runtime.VMObject

equals, getAddress, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ImmutableSpace

public ImmutableSpace(Address addr)

Method Detail

bottom

public Address bottom()

end

public Address end()

usedRegion

public MemRegion usedRegion()

Returns a subregion of the space containing all the objects in the space.

bottomAsOopHandle

public OopHandle bottomAsOopHandle()

Support for iteration over heap -- not sure how this will interact with GC in reflective system, but necessary for the debugging mechanism

getLiveRegions

public abstract java.util.List getLiveRegions()

returns all MemRegions where live objects are

capacity

public long capacity()

Returned value is in bytes

used

public abstract long used()

contains

public boolean contains(Address p)

Testers

print

public void print()

printOn

public abstract void printOn(java.io.PrintStream tty)