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sun.jvm.hotspot.gc.parallel

public Class MutableSpace

Class Inheritance

extends VMObject

java.lang.Object
sun.jvm.hotspot.runtime.VMObject
sun.jvm.hotspot.gc.parallel.MutableSpace

Imports

java.io.*, java.util.*, sun.jvm.hotspot.debugger.*, sun.jvm.hotspot.memory.*, sun.jvm.hotspot.runtime.*, sun.jvm.hotspot.types.*, sun.jvm.hotspot.utilities.Observable, .Observer

Field Summary

Modifier and Type	Field and Description
private static AddressField	bottomField
private static AddressField	endField
private static AddressField	topField

Inherited from sun.jvm.hotspot.runtime.VMObject:: addr

Constructor Summary

Access	Constructor and Description
public	MutableSpace(Address addr)

Method Summary

Modifier and Type	Method and Description
public Address	bottom()
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
public long	capacity() Returned value is in bytes
public boolean	contains(Address p) Testers
public Address	end()
public List<MemRegion>	getLiveRegions() returns all MemRegions where live objects are
private static synchronized void	initialize(TypeDataBase db)
public void	print()
public void	printOn(PrintStream tty)
public Address	top()
public long	used() In bytes
public MemRegion	usedRegion() Returns a subregion of the space containing all the objects in the space.

Inherited from sun.jvm.hotspot.runtime.VMObject:: equals getAddress hashCode toString

Field Detail

bottomField	back to summary
private static AddressField bottomField

endField	back to summary
private static AddressField endField

topField	back to summary
private static AddressField topField

Constructor Detail

MutableSpace	back to summary
public MutableSpace(Address addr)

Method Detail

bottom	back to summary
public Address bottom()

bottomAsOopHandle	back to summary
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

capacity	back to summary
public long capacity() Returned value is in bytes

contains	back to summary
public boolean contains(Address p) Testers

end	back to summary
public Address end()

getLiveRegions	back to summary
public List<MemRegion> getLiveRegions() returns all MemRegions where live objects are

initialize	back to summary
private static synchronized void initialize(TypeDataBase db)

print	back to summary
public void print()

printOn	back to summary
public void printOn(PrintStream tty)

top	back to summary
public Address top()

used	back to summary
public long used() In bytes

usedRegion	back to summary
public MemRegion usedRegion() Returns a subregion of the space containing all the objects in the space.