src/hotspot/share/gc/shared/barrierSetConfig.hpp
author rkennke
Mon, 10 Dec 2018 15:47:44 +0100
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child 53075 747d29313e5a
permissions -rw-r--r--
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental) Reviewed-by: kvn, roland, shade, coleenp, lmesnik, pliden, jgeorge, ihse, erikj Contributed-by: Christine Flood <chf@redhat.com>, Aleksey Shipilev <shade@redhat.com>, Roland Westrelin <rwestrel@redhat.com>, Zhenygu Gu <zgu@redhat.com>, Andrew Haley <aph@redhat.com>, Andrew Dinn <adinn@redhat.com>, Mario Torre <mtorre@redhat.com>, Roman Kennke <rkennke@redhat.com>
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/*
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 * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_GC_SHARED_BARRIERSETCONFIG_HPP
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#define SHARE_VM_GC_SHARED_BARRIERSETCONFIG_HPP
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#include "utilities/macros.hpp"
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// Do something for each concrete barrier set part of the build.
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#define FOR_EACH_CONCRETE_BARRIER_SET_DO(f)          \
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  f(CardTableBarrierSet)                             \
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  EPSILONGC_ONLY(f(EpsilonBarrierSet))               \
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  G1GC_ONLY(f(G1BarrierSet))                         \
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  SHENANDOAHGC_ONLY(f(ShenandoahBarrierSet))         \
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  ZGC_ONLY(f(ZBarrierSet))
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#define FOR_EACH_ABSTRACT_BARRIER_SET_DO(f)          \
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  f(ModRef)
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// Do something for each known barrier set.
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#define FOR_EACH_BARRIER_SET_DO(f)    \
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  FOR_EACH_ABSTRACT_BARRIER_SET_DO(f) \
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  FOR_EACH_CONCRETE_BARRIER_SET_DO(f)
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// To enable runtime-resolution of GC barriers on primitives, please
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// define SUPPORT_BARRIER_ON_PRIMITIVES.
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#ifdef SUPPORT_BARRIER_ON_PRIMITIVES
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#define ACCESS_PRIMITIVE_SUPPORT INTERNAL_BT_BARRIER_ON_PRIMITIVES
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#else
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#define ACCESS_PRIMITIVE_SUPPORT INTERNAL_EMPTY
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#endif
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#ifdef SUPPORT_NOT_TO_SPACE_INVARIANT
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#define ACCESS_TO_SPACE_INVARIANT_SUPPORT INTERNAL_EMPTY
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#else
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#define ACCESS_TO_SPACE_INVARIANT_SUPPORT INTERNAL_BT_TO_SPACE_INVARIANT
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#endif
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#define BT_BUILDTIME_DECORATORS (ACCESS_PRIMITIVE_SUPPORT | ACCESS_TO_SPACE_INVARIANT_SUPPORT)
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#endif // SHARE_VM_GC_SHARED_BARRIERSETCONFIG_HPP