src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.cpp

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   1 /*
   2  * Copyright (c) 2001, 2009, 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 # include "incls/_precompiled.incl"
  26 # include "incls/_psMarkSweepDecorator.cpp.incl"








  27 
  28 PSMarkSweepDecorator* PSMarkSweepDecorator::_destination_decorator = NULL;
  29 
  30 
  31 void PSMarkSweepDecorator::set_destination_decorator_tenured() {
  32   ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
  33   assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity");
  34 
  35   _destination_decorator = heap->old_gen()->object_mark_sweep();
  36 }
  37 
  38 void PSMarkSweepDecorator::set_destination_decorator_perm_gen() {
  39   ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
  40   assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity");
  41 
  42   _destination_decorator = heap->perm_gen()->object_mark_sweep();
  43 }
  44 
  45 void PSMarkSweepDecorator::advance_destination_decorator() {
  46   ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();


   1 /*
   2  * Copyright (c) 2001, 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 #include "precompiled.hpp"
  26 #include "classfile/systemDictionary.hpp"
  27 #include "gc_implementation/parallelScavenge/objectStartArray.hpp"
  28 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
  29 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp"
  30 #include "gc_implementation/parallelScavenge/psMarkSweepDecorator.hpp"
  31 #include "gc_implementation/shared/liveRange.hpp"
  32 #include "gc_implementation/shared/markSweep.inline.hpp"
  33 #include "gc_implementation/shared/spaceDecorator.hpp"
  34 #include "oops/oop.inline.hpp"
  35 
  36 PSMarkSweepDecorator* PSMarkSweepDecorator::_destination_decorator = NULL;
  37 
  38 
  39 void PSMarkSweepDecorator::set_destination_decorator_tenured() {
  40   ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
  41   assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity");
  42 
  43   _destination_decorator = heap->old_gen()->object_mark_sweep();
  44 }
  45 
  46 void PSMarkSweepDecorator::set_destination_decorator_perm_gen() {
  47   ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
  48   assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity");
  49 
  50   _destination_decorator = heap->perm_gen()->object_mark_sweep();
  51 }
  52 
  53 void PSMarkSweepDecorator::advance_destination_decorator() {
  54   ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();