342N/A/*
1879N/A * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
342N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
342N/A *
342N/A * This code is free software; you can redistribute it and/or modify it
342N/A * under the terms of the GNU General Public License version 2 only, as
342N/A * published by the Free Software Foundation.
342N/A *
342N/A * This code is distributed in the hope that it will be useful, but WITHOUT
342N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
342N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
342N/A * version 2 for more details (a copy is included in the LICENSE file that
342N/A * accompanied this code).
342N/A *
342N/A * You should have received a copy of the GNU General Public License version
342N/A * 2 along with this work; if not, write to the Free Software Foundation,
342N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
342N/A *
1472N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1472N/A * or visit www.oracle.com if you need additional information or have any
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342N/A *
342N/A */
342N/A
1879N/A#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP
1879N/A#define SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP
1879N/A
1879N/A#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
1879N/A#include "gc_implementation/g1/heapRegion.hpp"
1879N/A#include "memory/genMarkSweep.hpp"
1879N/A#include "memory/generation.hpp"
1879N/A#include "memory/universe.hpp"
1879N/A#include "oops/markOop.hpp"
1879N/A#include "oops/oop.hpp"
1879N/A#include "runtime/timer.hpp"
1879N/A#include "utilities/growableArray.hpp"
1879N/A
342N/Aclass ReferenceProcessor;
342N/A
342N/A// G1MarkSweep takes care of global mark-compact garbage collection for a
342N/A// G1CollectedHeap using a four-phase pointer forwarding algorithm. All
342N/A// generations are assumed to support marking; those that can also support
342N/A// compaction.
342N/A//
342N/A// Class unloading will only occur when a full gc is invoked.
342N/A
342N/A
342N/Aclass G1MarkSweep : AllStatic {
342N/A friend class VM_G1MarkSweep;
342N/A friend class Scavenge;
342N/A
342N/A public:
342N/A
342N/A static void invoke_at_safepoint(ReferenceProcessor* rp,
342N/A bool clear_all_softrefs);
342N/A
4141N/A static STWGCTimer* gc_timer() { return GenMarkSweep::_gc_timer; }
4141N/A static SerialOldTracer* gc_tracer() { return GenMarkSweep::_gc_tracer; }
4141N/A
342N/A private:
342N/A
342N/A // Mark live objects
342N/A static void mark_sweep_phase1(bool& marked_for_deopt,
342N/A bool clear_all_softrefs);
342N/A // Calculate new addresses
342N/A static void mark_sweep_phase2();
342N/A // Update pointers
342N/A static void mark_sweep_phase3();
342N/A // Move objects to new positions
342N/A static void mark_sweep_phase4();
342N/A
342N/A static void allocate_stacks();
342N/A};
1879N/A
1879N/A#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP