JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 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 CPU_ARM_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_ARM_HPP
#define CPU_ARM_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_ARM_HPP

#include "asm/macroAssembler.hpp"
#include "gc/shared/modRefBarrierSetAssembler.hpp"

class CardTableBarrierSetAssembler: public ModRefBarrierSetAssembler {
private:
  void store_check(MacroAssembler* masm, Register obj, Address dst);
  void store_check_part1(MacroAssembler* masm, Register card_table_base);
  void store_check_part2(MacroAssembler* masm, Register obj, Register card_table_base, Register tmp);

  void set_card(MacroAssembler* masm, Register card_table_base, Address card_table_addr, Register tmp);

protected:
  virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
                                                Register addr, Register count, Register tmp);

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