objArrayKlass.hpp

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/* Copyright 1994, 1995 LongView Technologies L.L.C. $Revision: 1.26 $ */
/* Copyright (c) 2006, Sun Microsystems, Inc.
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class objArrayKlass: public memOopKlass {
 public:
  // allocation properties
  bool can_inline_allocation() const { return false; }

  // creation operation
  oop allocateObjectSize(int size);

  // creates invocation
  klassOop create_subclass(mixinOop mixin, Format format);

  static klassOop create_class(klassOop super_class, mixinOop mixin);

  // Format
  Format format() { return objArray_klass; }

  // allocated an object array for an interpreter PIC.
  static objArrayOop allocate_tenured_pic(int size);

  // Return the oop size for a objArrayOop
  int object_size(int size) const       { return non_indexable_size() + 1 + size; }

  // Layout
  int length_offset() const             { return non_indexable_size(); }
  int array_offset() const              { return non_indexable_size() + 1; }

  friend void set_objArrayKlass_vtbl(Klass* k);

  char* name() const { return "objArray"; }

  // ALL FUNCTIONS BELOW THIS POINT ARE DISPATCHED FROM AN OOP 
  
  // size operation
  int oop_size(oop obj) const { return object_size(objArrayOop(obj)->length()); }

  // Memory operations
  int  oop_scavenge_contents(oop obj);
  int  oop_scavenge_tenured_contents(oop obj);
  void oop_follow_contents(oop obj);

  // testers
  bool oop_is_objArray()  const { return true; }
  bool oop_is_indexable() const { return true; }

  void oop_short_print_on(oop obj, outputStream* st);

  // iterators
  void oop_oop_iterate(oop obj, OopClosure* blk);
  void oop_layout_iterate(oop obj, ObjectLayoutClosure* blk);

  // Sizing
  int oop_header_size() const { return objArrayOopDesc::header_size(); }
};

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