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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mobile
 Path: blob/master/src/hotspot/share/gc/shared/c2/cardTableBarrierSetC2.hpp
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/*

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 * Copyright (c) 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_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP

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#define SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP

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#include "gc/shared/c2/modRefBarrierSetC2.hpp"

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class CardTableBarrierSetC2: public ModRefBarrierSetC2 {

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protected:

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  virtual void post_barrier(GraphKit* kit,

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                            Node* ctl,

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                            Node* store,

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                            Node* obj,

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                            Node* adr,

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                            uint adr_idx,

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                            Node* val,

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                            BasicType bt,

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                            bool use_precise) const;

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  Node* byte_map_base_node(GraphKit* kit) const;

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public:

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  virtual void clone(GraphKit* kit, Node* src, Node* dst, Node* size, bool is_array) const;

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  virtual bool is_gc_barrier_node(Node* node) const;

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  virtual void eliminate_gc_barrier(PhaseMacroExpand* macro, Node* node) const;

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  virtual bool array_copy_requires_gc_barriers(bool tightly_coupled_alloc, BasicType type, bool is_clone, bool is_clone_instance, ArrayCopyPhase phase) const;

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  bool use_ReduceInitialCardMarks() const;

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};

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#endif // SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP

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