JDK14/Java14源码在线阅读

/*
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 */

#ifndef CPU_ARM_GC_G1_G1BARRIERSETASSEMBLER_ARM_HPP
#define CPU_ARM_GC_G1_G1BARRIERSETASSEMBLER_ARM_HPP

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

class LIR_Assembler;
class StubAssembler;
class G1PreBarrierStub;
class G1PostBarrierStub;

class G1BarrierSetAssembler: public ModRefBarrierSetAssembler {
protected:
  void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators,
                                       Register addr, Register count, int callee_saved_regs);
  void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
                                        Register addr, Register count, Register tmp);

  void g1_write_barrier_pre(MacroAssembler* masm,
                            Register store_addr,
                            Register new_val,
                            Register pre_val,
                            Register tmp1,
                            Register tmp2);

  void g1_write_barrier_post(MacroAssembler* masm,
                             Register store_addr,
                             Register new_val,
                             Register tmp1,
                             Register tmp2,
                             Register tmp3);

  virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                            Address obj, Register new_val, Register tmp1, Register tmp2, Register tmp3, bool is_null);

public:
  virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                       Register dst, Address src, Register tmp1, Register tmp2, Register tmp3);

#ifdef COMPILER1
public:

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