1 /*

     2  * Copyright (c) 2005, 2015, 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_OOP_PCGC_INLINE_HPP

    26 #define SHARE_VM_OOPS_OOP_PCGC_INLINE_HPP

    27 

    28 #include "runtime/atomic.inline.hpp"

    29 #include "utilities/macros.hpp"

    30 #if INCLUDE_ALL_GCS

    31 #include "gc_implementation/parNew/parNewGeneration.hpp"

    32 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"

    33 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp"

    34 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"

    35 #include "gc_implementation/parallelScavenge/psScavenge.hpp"

    36 #endif // INCLUDE_ALL_GCS

    37 

    38 inline void oopDesc::update_contents(ParCompactionManager* cm) {

    39   // The klass field must be updated before anything else

    40   // can be done.

    41   DEBUG_ONLY(Klass* original_klass = klass());

    42 

    43   Klass* new_klass = klass();

    44   if (!new_klass->oop_is_typeArray()) {

    45     // It might contain oops beyond the header, so take the virtual call.

    46     new_klass->oop_update_pointers(cm, this);

    47   }

    48   // Else skip it.  The TypeArrayKlass in the header never needs scavenging.

    49 }

    50 

    51 inline void oopDesc::follow_contents(ParCompactionManager* cm) {

    52   assert (PSParallelCompact::mark_bitmap()->is_marked(this),

    53     "should be marked");

    54   klass()->oop_follow_contents(cm, this);

    55 }

    56 

    57 #endif // SHARE_VM_OOPS_OOP_PCGC_INLINE_HPP