/*

 * Copyright (c) 2019, 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_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP

#define CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP

#include "code/vmreg.hpp"

#include "oops/accessDecorators.hpp"

#ifdef COMPILER2

#include "opto/optoreg.hpp"

#endif // COMPILER2

#ifdef COMPILER1

class LIR_Assembler;

class LIR_OprDesc;

typedef LIR_OprDesc* LIR_Opr;

class StubAssembler;

class ZLoadBarrierStubC1;

#endif // COMPILER1

#ifdef COMPILER2

class Node;

class ZLoadBarrierStubC2;

#endif // COMPILER2

class ZBarrierSetAssembler : public ZBarrierSetAssemblerBase {

public:

  virtual void load_at(MacroAssembler* masm,

                       DecoratorSet decorators,

                       BasicType type,

                       Register dst,

                       Address src,

                       Register tmp1,

                       Register tmp_thread);

#ifdef ASSERT

  virtual void store_at(MacroAssembler* masm,

                        DecoratorSet decorators,

                        BasicType type,

                        Address dst,

                        Register val,

                        Register tmp1,

                        Register tmp2);

#endif // ASSERT

  virtual void arraycopy_prologue(MacroAssembler* masm,

                                  DecoratorSet decorators,

                                  bool is_oop,

                                  Register src,

                                  Register dst,

                                  Register count,

                                  RegSet saved_regs);

  virtual void try_resolve_jobject_in_native(MacroAssembler* masm,

                                             Register jni_env,

                                             Register robj,

                                             Register tmp,

                                             Label& slowpath);

#ifdef COMPILER1

  void generate_c1_load_barrier_test(LIR_Assembler* ce,

                                     LIR_Opr ref) const;

  void generate_c1_load_barrier_stub(LIR_Assembler* ce,

                                     ZLoadBarrierStubC1* stub) const;

  void generate_c1_load_barrier_runtime_stub(StubAssembler* sasm,

                                             DecoratorSet decorators) const;

#endif // COMPILER1

#ifdef COMPILER2

  OptoReg::Name refine_register(const Node* node,

                                OptoReg::Name opto_reg);

  void generate_c2_load_barrier_stub(MacroAssembler* masm,

                                     ZLoadBarrierStubC2* stub) const;

#endif // COMPILER2

};

#endif // CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP