src/hotspot/share/gc/g1/g1MarkSweep.hpp
changeset 47885 5caa1d5f74c1
parent 47884 3cfab71d6c81
child 47886 95363d2f2c13
--- a/src/hotspot/share/gc/g1/g1MarkSweep.hpp	Mon Oct 30 08:34:54 2017 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,96 +0,0 @@
-/*
- * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#ifndef SHARE_VM_GC_G1_G1MARKSWEEP_HPP
-#define SHARE_VM_GC_G1_G1MARKSWEEP_HPP
-
-#include "gc/g1/g1CollectedHeap.hpp"
-#include "gc/g1/heapRegion.hpp"
-#include "gc/serial/genMarkSweep.hpp"
-#include "gc/shared/generation.hpp"
-#include "memory/universe.hpp"
-#include "oops/markOop.hpp"
-#include "oops/oop.hpp"
-#include "runtime/timer.hpp"
-#include "utilities/growableArray.hpp"
-
-class ReferenceProcessor;
-
-// G1MarkSweep takes care of global mark-compact garbage collection for a
-// G1CollectedHeap using a four-phase pointer forwarding algorithm.  All
-// generations are assumed to support marking; those that can also support
-// compaction.
-//
-// Class unloading will only occur when a full gc is invoked.
-class G1PrepareCompactClosure;
-class G1ArchiveRegionMap;
-
-class G1MarkSweep : AllStatic {
- public:
-
-  static void invoke_at_safepoint(ReferenceProcessor* rp,
-                                  bool clear_all_softrefs);
-
-  static STWGCTimer* gc_timer();
-  static SerialOldTracer* gc_tracer();
-
-private:
-  // Mark live objects
-  static void mark_sweep_phase1(bool& marked_for_deopt,
-                                bool clear_all_softrefs);
-  // Calculate new addresses
-  static void mark_sweep_phase2();
-  // Update pointers
-  static void mark_sweep_phase3();
-  // Move objects to new positions
-  static void mark_sweep_phase4();
-
-  static void allocate_stacks();
-  static void prepare_compaction();
-  static void prepare_compaction_work(G1PrepareCompactClosure* blk);
-};
-
-class G1PrepareCompactClosure : public HeapRegionClosure {
- protected:
-  G1CollectedHeap* _g1h;
-  ModRefBarrierSet* _mrbs;
-  CompactPoint _cp;
-  uint _humongous_regions_removed;
-
-  virtual void prepare_for_compaction(HeapRegion* hr, HeapWord* end);
-  void prepare_for_compaction_work(CompactPoint* cp, HeapRegion* hr, HeapWord* end);
-  void free_humongous_region(HeapRegion* hr);
-  bool is_cp_initialized() const { return _cp.space != NULL; }
-
- public:
-  G1PrepareCompactClosure() :
-    _g1h(G1CollectedHeap::heap()),
-    _mrbs(_g1h->g1_barrier_set()),
-    _humongous_regions_removed(0) { }
-
-  void update_sets();
-  bool doHeapRegion(HeapRegion* hr);
-};
-
-#endif // SHARE_VM_GC_G1_G1MARKSWEEP_HPP