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GitHub Repository: PojavLauncherTeam/mobile
 Path: blob/master/src/hotspot/cpu/arm/gc/g1/g1BarrierSetAssembler_arm.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 CPU_ARM_GC_G1_G1BARRIERSETASSEMBLER_ARM_HPP

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#define CPU_ARM_GC_G1_G1BARRIERSETASSEMBLER_ARM_HPP

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#include "asm/macroAssembler.hpp"

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#include "gc/shared/modRefBarrierSetAssembler.hpp"

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#include "utilities/macros.hpp"

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class LIR_Assembler;

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class StubAssembler;

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class G1PreBarrierStub;

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class G1PostBarrierStub;

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class G1BarrierSetAssembler: public ModRefBarrierSetAssembler {

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protected:

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  void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators,

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                                       Register addr, Register count, int callee_saved_regs);

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  void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,

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                                        Register addr, Register count, Register tmp);

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  void g1_write_barrier_pre(MacroAssembler* masm,

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                            Register store_addr,

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                            Register new_val,

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                            Register pre_val,

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                            Register tmp1,

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                            Register tmp2);

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  void g1_write_barrier_post(MacroAssembler* masm,

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                             Register store_addr,

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                             Register new_val,

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                             Register tmp1,

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                             Register tmp2,

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                             Register tmp3);

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  virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,

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                            Address obj, Register new_val, Register tmp1, Register tmp2, Register tmp3, bool is_null);

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public:

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  virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,

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                       Register dst, Address src, Register tmp1, Register tmp2, Register tmp3);

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#ifdef COMPILER1

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public:

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  void gen_pre_barrier_stub(LIR_Assembler* ce, G1PreBarrierStub* stub);

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  void gen_post_barrier_stub(LIR_Assembler* ce, G1PostBarrierStub* stub);

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  void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);

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  void generate_c1_post_barrier_runtime_stub(StubAssembler* sasm);

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#endif

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};

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#endif // CPU_ARM_GC_G1_G1BARRIERSETASSEMBLER_ARM_HPP

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