179   static oop          _virtual_machine_error_instance; // preallocated exception object

   179   static oop          _virtual_machine_error_instance; // preallocated exception object

   180   // The object used as an exception dummy when exceptions are thrown for

   180   // The object used as an exception dummy when exceptions are thrown for

   181   // the vm thread.

   181   // the vm thread.

   182   static oop          _vm_exception;

   182   static oop          _vm_exception;

   183 

   183 

   186   // References waiting to be transferred to the ReferenceHandler

   184   // References waiting to be transferred to the ReferenceHandler

   187   static oop          _reference_pending_list;

   185   static oop          _reference_pending_list;

   188 

   186 

   189   // The particular choice of collected heap.

   187   // The particular choice of collected heap.

   190   static CollectedHeap* _collectedHeap;

   188   static CollectedHeap* _collectedHeap;

   331 

   329 

   332   static oop          null_ptr_exception_instance()   { return _null_ptr_exception_instance;   }

   330   static oop          null_ptr_exception_instance()   { return _null_ptr_exception_instance;   }

   333   static oop          arithmetic_exception_instance() { return _arithmetic_exception_instance; }

   331   static oop          arithmetic_exception_instance() { return _arithmetic_exception_instance; }

   334   static oop          virtual_machine_error_instance() { return _virtual_machine_error_instance; }

   332   static oop          virtual_machine_error_instance() { return _virtual_machine_error_instance; }

   335   static oop          vm_exception()                  { return _vm_exception; }

   333   static oop          vm_exception()                  { return _vm_exception; }

   339 

   334 

   340   // Reference pending list manipulation.  Access is protected by

   335   // Reference pending list manipulation.  Access is protected by

   341   // Heap_lock.  The getter, setter and predicate require the caller

   336   // Heap_lock.  The getter, setter and predicate require the caller

   342   // owns the lock.  Swap is used by parallel non-concurrent reference

   337   // owns the lock.  Swap is used by parallel non-concurrent reference

   343   // processing threads, where some higher level controller owns

   338   // processing threads, where some higher level controller owns