src/hotspot/share/gc/shenandoah/shenandoahRuntime.hpp
author shade
Wed, 25 Sep 2019 12:21:10 +0200
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child 58405 752bf4d5fbb7
permissions -rw-r--r--
8231410: Shenandoah: clone barrier should use base pointer Reviewed-by: rkennke
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/*
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 * Copyright (c) 2018, 2019, Red Hat, Inc. All rights reserved.
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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_SHENANDOAH_SHENANDOAHRUNTIME_HPP
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#define SHARE_GC_SHENANDOAH_SHENANDOAHRUNTIME_HPP
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#include "memory/allocation.hpp"
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#include "oops/oopsHierarchy.hpp"
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class JavaThread;
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class oopDesc;
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class ShenandoahRuntime : public AllStatic {
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public:
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  static void write_ref_array_pre_oop_entry(oop* src, oop* dst, size_t length);
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  static void write_ref_array_pre_narrow_oop_entry(narrowOop* src, narrowOop* dst, size_t length);
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  static void write_ref_array_pre_duinit_oop_entry(oop* src, oop* dst, size_t length);
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  static void write_ref_array_pre_duinit_narrow_oop_entry(narrowOop* src, narrowOop* dst, size_t length);
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  static void write_ref_field_pre_entry(oopDesc* orig, JavaThread* thread);
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  static oopDesc* load_reference_barrier(oopDesc* src);
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  static oopDesc* load_reference_barrier_fixup(oopDesc* src, oop* load_addr);
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  static oopDesc* load_reference_barrier_fixup_narrow(oopDesc* src, narrowOop* load_addr);
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  static oopDesc* load_reference_barrier_native(oopDesc* src);
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  static void shenandoah_clone_barrier(oopDesc* src, void* src_ptr, void* dst_ptr, size_t length);
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};
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#endif // SHARE_GC_SHENANDOAH_SHENANDOAHRUNTIME_HPP