1 /*
   2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_OOPS_ARRAYKLASSKLASS_HPP
  26 #define SHARE_VM_OOPS_ARRAYKLASSKLASS_HPP
  27 
  28 #include "oops/arrayKlass.hpp"
  29 #include "oops/klassKlass.hpp"
  30 
  31 // arrayKlassKlass is the abstract baseclass for all array class classes
  32 
  33 class arrayKlassKlass : public klassKlass {
  34  public:
  35    // Testing
  36   bool oop_is_arrayKlass() const { return true; }
  37 
  38   // Allocation
  39   DEFINE_ALLOCATE_PERMANENT(arrayKlassKlass);
  40   static klassOop create_klass(TRAPS);
  41 
  42   // Casting from klassOop
  43   static arrayKlassKlass* cast(klassOop k) {
  44     assert(k->klass_part()->oop_is_klass(), "cast to arrayKlassKlass");
  45     return (arrayKlassKlass*) k->klass_part();
  46   }
  47 
  48   // Sizing
  49   static int header_size()      { return oopDesc::header_size() + sizeof(arrayKlassKlass)/HeapWordSize; }
  50   int object_size() const       { return align_object_size(header_size()); }
  51 
  52   // Garbage collection
  53   void oop_follow_contents(oop obj);
  54   int oop_adjust_pointers(oop obj);
  55   bool oop_is_parsable(oop obj) const;
  56 
  57   // Parallel Scavenge and Parallel Old
  58   PARALLEL_GC_DECLS
  59 
  60   // Iterators
  61   int oop_oop_iterate(oop obj, OopClosure* blk);
  62   int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
  63 
  64   // Printing
  65   void oop_print_value_on(oop obj, outputStream* st);
  66   void oop_print_on(oop obj, outputStream* st);
  67 
  68   // Verification
  69   const char* internal_name() const;
  70   void oop_verify_on(oop obj, outputStream* st);
  71 };
  72 
  73 #endif // SHARE_VM_OOPS_ARRAYKLASSKLASS_HPP