1 /*
   2  * Copyright (c) 1997, 2006, 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 // arrayKlassKlass is the abstract baseclass for all array class classes
  26 
  27 class arrayKlassKlass : public klassKlass {
  28  public:
  29    // Testing
  30   bool oop_is_arrayKlass() const { return true; }
  31 
  32   // Allocation
  33   DEFINE_ALLOCATE_PERMANENT(arrayKlassKlass);
  34   static klassOop create_klass(TRAPS);
  35 
  36   // Casting from klassOop
  37   static arrayKlassKlass* cast(klassOop k) {
  38     assert(k->klass_part()->oop_is_klass(), "cast to arrayKlassKlass");
  39     return (arrayKlassKlass*) k->klass_part();
  40   }
  41 
  42   // Sizing
  43   static int header_size()      { return oopDesc::header_size() + sizeof(arrayKlassKlass)/HeapWordSize; }
  44   int object_size() const       { return align_object_size(header_size()); }
  45 
  46   // Garbage collection
  47   void oop_follow_contents(oop obj);
  48   int oop_adjust_pointers(oop obj);
  49   bool oop_is_parsable(oop obj) const;
  50 
  51   // Parallel Scavenge and Parallel Old
  52   PARALLEL_GC_DECLS
  53 
  54   // Iterators
  55   int oop_oop_iterate(oop obj, OopClosure* blk);
  56   int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
  57 
  58   // Printing
  59   void oop_print_value_on(oop obj, outputStream* st);
  60   void oop_print_on(oop obj, outputStream* st);
  61 
  62   // Verification
  63   const char* internal_name() const;
  64   void oop_verify_on(oop obj, outputStream* st);
  65 };