src/hotspot/share/gc/z/zBarrierSetRuntime.hpp
author pliden
Tue, 12 Jun 2018 17:40:28 +0200
changeset 50525 767cdb97f103
child 58931 304c63b17b07
permissions -rw-r--r--
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental) Reviewed-by: pliden, stefank, eosterlund, ehelin, sjohanss, rbackman, coleenp, ihse, jgeorge, lmesnik, rkennke Contributed-by: per.liden@oracle.com, stefan.karlsson@oracle.com, erik.osterlund@oracle.com, mikael.gerdin@oracle.com, kim.barrett@oracle.com, nils.eliasson@oracle.com, rickard.backman@oracle.com, rwestrel@redhat.com, coleen.phillimore@oracle.com, robbin.ehn@oracle.com, gerard.ziemski@oracle.com, hugh.wilkinson@intel.com, sandhya.viswanathan@intel.com, bill.npo.wheeler@intel.com, vinay.k.awasthi@intel.com, yasuenag@gmail.com

/*
 * Copyright (c) 2018, 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.
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#ifndef SHARE_GC_Z_ZBARRIERSETRUNTIME_HPP
#define SHARE_GC_Z_ZBARRIERSETRUNTIME_HPP

#include "memory/allocation.hpp"
#include "oops/accessDecorators.hpp"
#include "utilities/globalDefinitions.hpp"

class oopDesc;

class ZBarrierSetRuntime : public AllStatic {
private:
  static oopDesc* load_barrier_on_oop_field_preloaded(oopDesc* o, oop* p);
  static oopDesc* load_barrier_on_weak_oop_field_preloaded(oopDesc* o, oop* p);
  static oopDesc* load_barrier_on_phantom_oop_field_preloaded(oopDesc* o, oop* p);
  static void load_barrier_on_oop_array(oop* p, size_t length);

public:
  static address load_barrier_on_oop_field_preloaded_addr(DecoratorSet decorators);
  static address load_barrier_on_oop_field_preloaded_addr();
  static address load_barrier_on_weak_oop_field_preloaded_addr();
  static address load_barrier_on_phantom_oop_field_preloaded_addr();
  static address load_barrier_on_oop_array_addr();
};

#endif // SHARE_GC_Z_ZBARRIERSETRUNTIME_HPP