duke@435: /*
mikael@6198:  * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSMARKSWEEP_HPP
stefank@2314: #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSMARKSWEEP_HPP
stefank@2314: 
stefank@2314: #include "gc_implementation/shared/collectorCounters.hpp"
stefank@2314: #include "gc_implementation/shared/markSweep.inline.hpp"
stefank@2314: #include "utilities/stack.hpp"
stefank@2314: 
duke@435: class PSAdaptiveSizePolicy;
duke@435: class PSYoungGen;
duke@435: class PSOldGen;
duke@435: 
duke@435: class PSMarkSweep : public MarkSweep {
duke@435:  private:
duke@435:   static elapsedTimer        _accumulated_time;
duke@435:   static jlong               _time_of_last_gc;   // ms
duke@435:   static CollectorCounters*  _counters;
duke@435: 
duke@435:   // Closure accessors
stefank@6992:   static OopClosure* mark_and_push_closure()   { return &MarkSweep::mark_and_push_closure; }
stefank@6992:   static VoidClosure* follow_stack_closure()   { return (VoidClosure*)&MarkSweep::follow_stack_closure; }
stefank@6992:   static CLDClosure* follow_cld_closure()      { return &MarkSweep::follow_cld_closure; }
stefank@6992:   static OopClosure* adjust_pointer_closure()  { return (OopClosure*)&MarkSweep::adjust_pointer_closure; }
stefank@6992:   static CLDClosure* adjust_cld_closure()      { return &MarkSweep::adjust_cld_closure; }
duke@435:   static BoolObjectClosure* is_alive_closure() { return (BoolObjectClosure*)&MarkSweep::is_alive; }
duke@435: 
duke@435:  debug_only(public:)  // Used for PSParallelCompact debugging
duke@435:   // Mark live objects
duke@435:   static void mark_sweep_phase1(bool clear_all_softrefs);
duke@435:   // Calculate new addresses
duke@435:   static void mark_sweep_phase2();
duke@435:  debug_only(private:) // End used for PSParallelCompact debugging
duke@435:   // Update pointers
duke@435:   static void mark_sweep_phase3();
duke@435:   // Move objects to new positions
duke@435:   static void mark_sweep_phase4();
duke@435: 
duke@435:  debug_only(public:)  // Used for PSParallelCompact debugging
duke@435:   // Temporary data structures for traversal and storing/restoring marks
duke@435:   static void allocate_stacks();
duke@435:   static void deallocate_stacks();
duke@435:   static void set_ref_processor(ReferenceProcessor* rp) {  // delete this method
duke@435:     _ref_processor = rp;
duke@435:   }
duke@435:  debug_only(private:) // End used for PSParallelCompact debugging
duke@435: 
duke@435:   // If objects are left in eden after a collection, try to move the boundary
duke@435:   // and absorb them into the old gen.  Returns true if eden was emptied.
duke@435:   static bool absorb_live_data_from_eden(PSAdaptiveSizePolicy* size_policy,
duke@435:                                          PSYoungGen* young_gen,
duke@435:                                          PSOldGen* old_gen);
duke@435: 
duke@435:   // Reset time since last full gc
duke@435:   static void reset_millis_since_last_gc();
duke@435: 
duke@435:  public:
duke@435:   static void invoke(bool clear_all_softrefs);
jcoomes@3540:   static bool invoke_no_policy(bool clear_all_softrefs);
duke@435: 
duke@435:   static void initialize();
duke@435: 
duke@435:   // Public accessors
duke@435:   static elapsedTimer* accumulated_time() { return &_accumulated_time; }
duke@435:   static CollectorCounters* counters()    { return _counters; }
duke@435: 
duke@435:   // Time since last full gc (in milliseconds)
duke@435:   static jlong millis_since_last_gc();
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSMARKSWEEP_HPP