jdk8-mips64-public/hotspot: src/share/vm/oops/constantPoolKlass.hpp@f8236e79048a

6664627: Merge changes made only in hotspot 11 forward to jdk 7
Reviewed-by: jcoomes

     1 /*

     2  * Copyright 1997-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

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    22  *

    23  */

    25 // A constantPoolKlass is the klass of a constantPoolOop

    27 class constantPoolKlass : public arrayKlass {

    28  public:

    29   // Dispatched klass operations

    30   bool oop_is_constantPool() const  { return true; }

    31   int oop_size(oop obj) const;

    32   int klass_oop_size() const        { return object_size(); }

    34   // Allocation

    35   DEFINE_ALLOCATE_PERMANENT(constantPoolKlass);

    36   constantPoolOop allocate(int length, TRAPS);

    37   static klassOop create_klass(TRAPS);

    39   // Casting from klassOop

    40   static constantPoolKlass* cast(klassOop k) {

    41     assert(k->klass_part()->oop_is_constantPool(), "cast to constantPoolKlass");

    42     return (constantPoolKlass*) k->klass_part();

    43   }

    45   // Sizing

    46   static int header_size()        { return oopDesc::header_size() + sizeof(constantPoolKlass)/HeapWordSize; }

    47   int object_size() const         { return arrayKlass::object_size(header_size()); }

    49   // Garbage collection

    50   void oop_follow_contents(oop obj);

    51   int oop_adjust_pointers(oop obj);

    53   // Parallel Scavenge and Parallel Old

    54   PARALLEL_GC_DECLS

    56   // Iterators

    57   int oop_oop_iterate(oop obj, OopClosure* blk);

    58   int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);

    60 #ifndef PRODUCT

    61  public:

    62   // Printing

    63   void oop_print_on(oop obj, outputStream* st);

    64 #endif

    66  public:

    67   // Verification

    68   const char* internal_name() const;

    69   void oop_verify_on(oop obj, outputStream* st);

    70   // tells whether obj is partially constructed (gc during class loading)

    71   bool oop_partially_loaded(oop obj) const;

    72   void oop_set_partially_loaded(oop obj);

    73 #ifndef PRODUCT

    74   // Compile the world support

    75   static void preload_and_initialize_all_classes(oop constant_pool, TRAPS);

    76 #endif

    77 };

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