Uses of Package
org.vmmagic.unboxed

Packages that use org.vmmagic.unboxed
gnu.classpath   
org.jikesrvm   
org.jikesrvm.adaptive   
org.jikesrvm.adaptive.measurements   
org.jikesrvm.adaptive.measurements.listeners   
org.jikesrvm.classloader   
org.jikesrvm.compilers.baseline   
org.jikesrvm.compilers.baseline.ia32   
org.jikesrvm.compilers.common   
org.jikesrvm.compilers.common.assembler.ia32   
org.jikesrvm.compilers.opt   
org.jikesrvm.compilers.opt.hir2lir   
org.jikesrvm.compilers.opt.ir   
org.jikesrvm.compilers.opt.ir.operand   
org.jikesrvm.compilers.opt.lir2mir   
org.jikesrvm.compilers.opt.lir2mir.ia32   
org.jikesrvm.compilers.opt.mir2mc.ia32   
org.jikesrvm.compilers.opt.regalloc   
org.jikesrvm.compilers.opt.runtimesupport   
org.jikesrvm.compilers.opt.runtimesupport.ia32   
org.jikesrvm.compilers.opt.util   
org.jikesrvm.ia32   
org.jikesrvm.jni   
org.jikesrvm.jni.ia32   
org.jikesrvm.mm.mminterface   
org.jikesrvm.mm.mmtk   
org.jikesrvm.objectmodel   
org.jikesrvm.options   
org.jikesrvm.osr   
org.jikesrvm.osr.bytecodes   
org.jikesrvm.osr.ia32   
org.jikesrvm.runtime   
org.jikesrvm.scheduler   
org.jikesrvm.tools.header_gen   
org.jikesrvm.util   
org.mmtk.plan   
org.mmtk.plan.concurrent   
org.mmtk.plan.concurrent.marksweep   
org.mmtk.plan.copyms   
org.mmtk.plan.generational   
org.mmtk.plan.generational.copying   
org.mmtk.plan.generational.immix   
org.mmtk.plan.generational.marksweep   
org.mmtk.plan.immix   
org.mmtk.plan.markcompact   
org.mmtk.plan.marksweep   
org.mmtk.plan.nogc   
org.mmtk.plan.poisoned   
org.mmtk.plan.refcount   
org.mmtk.plan.refcount.backuptrace   
org.mmtk.plan.refcount.fullheap   
org.mmtk.plan.refcount.generational   
org.mmtk.plan.semispace   
org.mmtk.plan.semispace.gcspy   
org.mmtk.plan.semispace.gctrace   
org.mmtk.plan.semispace.usePrimitiveWriteBarriers   
org.mmtk.plan.stickyimmix   
org.mmtk.plan.stickyms   
org.mmtk.policy   
org.mmtk.policy.immix   
org.mmtk.utility   
org.mmtk.utility.alloc   
org.mmtk.utility.deque   
org.mmtk.utility.gcspy   
org.mmtk.utility.gcspy.drivers   
org.mmtk.utility.heap   
org.mmtk.utility.sanitychecker   
org.mmtk.utility.statistics   
org.mmtk.vm   
org.mmtk.vm.gcspy   
org.vmmagic.unboxed   
org.vmutil.options   
 

Classes in org.vmmagic.unboxed used by gnu.classpath
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
WordArray
           
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.adaptive
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.adaptive.measurements
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.adaptive.measurements.listeners
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.classloader
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.baseline
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.baseline.ia32
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
WordArray
           
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.common
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
WordArray
           
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.common.assembler.ia32
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.opt
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.opt.hir2lir
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.opt.ir
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.opt.ir.operand
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.opt.lir2mir
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.opt.lir2mir.ia32
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.opt.mir2mc.ia32
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.opt.regalloc
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.opt.runtimesupport
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
WordArray
           
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.opt.runtimesupport.ia32
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
WordArray
           
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.compilers.opt.util
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.ia32
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
WordArray
           
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.jni
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
AddressArray
           
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.jni.ia32
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
AddressArray
           
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
WordArray
           
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.mm.mminterface
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
WordArray
           
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.mm.mmtk
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
AddressArray
           
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.objectmodel
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.options
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.osr
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.osr.bytecodes
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.osr.ia32
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
WordArray
           
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.runtime
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
AddressArray
           
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
WordArray
           
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.scheduler
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.tools.header_gen
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.jikesrvm.util
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.concurrent
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.concurrent.marksweep
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.copyms
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.generational
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.generational.copying
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.generational.immix
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.generational.marksweep
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.immix
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.markcompact
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.marksweep
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.nogc
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.poisoned
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.refcount
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.refcount.backuptrace
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.refcount.fullheap
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.refcount.generational
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.semispace
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.semispace.gcspy
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.semispace.gctrace
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.semispace.usePrimitiveWriteBarriers
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.stickyimmix
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.plan.stickyms
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.policy
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
AddressArray
           
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.policy.immix
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
AddressArray
           
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.utility
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
ObjectReferenceArray
           
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.utility.alloc
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
AddressArray
           
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.utility.deque
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
AddressArray
           
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.utility.gcspy
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
 

Classes in org.vmmagic.unboxed used by org.mmtk.utility.gcspy.drivers
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
 

Classes in org.vmmagic.unboxed used by org.mmtk.utility.heap
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
AddressArray
           
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.utility.sanitychecker
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
 

Classes in org.vmmagic.unboxed used by org.mmtk.utility.statistics
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.vm
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
Word
          A generic pointer-sized integer.
 

Classes in org.vmmagic.unboxed used by org.mmtk.vm.gcspy
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
 

Classes in org.vmmagic.unboxed used by org.vmmagic.unboxed
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
AddressArray
           
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.
ExtentArray
           
ObjectReference
          The object reference type is used by the runtime system and collector to represent a type that holds a reference to a single object.
ObjectReferenceArray
           
Offset
          Represents a pointer-sized signed integer used for describing an offset in bytes.
OffsetArray
           
Word
          A generic pointer-sized integer.
WordArray
           
 

Classes in org.vmmagic.unboxed used by org.vmutil.options
Address
          Stub implementation of an Address type, intended only to allow the core of MMTk to be compiled.
Extent
          Represents a pointer-sized unsigned integer used for describing a length in bytes.