Mercurial > hg > truffle
view src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.hpp @ 15250:4c68a0eb69ca
mx: refactored JMH benchmark building and dependency creation out of 'jmh' into 'buildjmh' and 'makejmhdeps' respectively
author | Doug Simon <doug.simon@oracle.com> |
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date | Sat, 19 Apr 2014 00:41:04 +0200 |
parents | 4ca6dc0799b6 |
children | 89152779163c |
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/* * Copyright (c) 2001, 2012, 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_IMPLEMENTATION_PARALLELSCAVENGE_PSMARKSWEEP_HPP #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSMARKSWEEP_HPP #include "gc_implementation/shared/collectorCounters.hpp" #include "gc_implementation/shared/markSweep.inline.hpp" #include "utilities/stack.hpp" class PSAdaptiveSizePolicy; class PSYoungGen; class PSOldGen; class PSMarkSweep : public MarkSweep { private: static elapsedTimer _accumulated_time; static jlong _time_of_last_gc; // ms static CollectorCounters* _counters; // Closure accessors static OopClosure* mark_and_push_closure() { return &MarkSweep::mark_and_push_closure; } static KlassClosure* follow_klass_closure() { return &MarkSweep::follow_klass_closure; } static VoidClosure* follow_stack_closure() { return (VoidClosure*)&MarkSweep::follow_stack_closure; } static OopClosure* adjust_pointer_closure() { return (OopClosure*)&MarkSweep::adjust_pointer_closure; } static KlassClosure* adjust_klass_closure() { return &MarkSweep::adjust_klass_closure; } static BoolObjectClosure* is_alive_closure() { return (BoolObjectClosure*)&MarkSweep::is_alive; } debug_only(public:) // Used for PSParallelCompact debugging // Mark live objects static void mark_sweep_phase1(bool clear_all_softrefs); // Calculate new addresses static void mark_sweep_phase2(); debug_only(private:) // End used for PSParallelCompact debugging // Update pointers static void mark_sweep_phase3(); // Move objects to new positions static void mark_sweep_phase4(); debug_only(public:) // Used for PSParallelCompact debugging // Temporary data structures for traversal and storing/restoring marks static void allocate_stacks(); static void deallocate_stacks(); static void set_ref_processor(ReferenceProcessor* rp) { // delete this method _ref_processor = rp; } debug_only(private:) // End used for PSParallelCompact debugging // If objects are left in eden after a collection, try to move the boundary // and absorb them into the old gen. Returns true if eden was emptied. static bool absorb_live_data_from_eden(PSAdaptiveSizePolicy* size_policy, PSYoungGen* young_gen, PSOldGen* old_gen); // Reset time since last full gc static void reset_millis_since_last_gc(); public: static void invoke(bool clear_all_softrefs); static bool invoke_no_policy(bool clear_all_softrefs); static void initialize(); // Public accessors static elapsedTimer* accumulated_time() { return &_accumulated_time; } static CollectorCounters* counters() { return _counters; } // Time since last full gc (in milliseconds) static jlong millis_since_last_gc(); }; #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSMARKSWEEP_HPP