/*
 * Copyright (c) 2018, 2021, Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2018, 2021 SAP SE. 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_PPC_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_PPC_HPP
#define CPU_PPC_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_PPC_HPP

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

class CardTableBarrierSetAssembler: public BarrierSetAssembler {
protected:
  void card_table_write(MacroAssembler* masm, CardTable::CardValue* byte_map_base, Register tmp, Register obj);

  void card_write_barrier_post(MacroAssembler* masm, Register store_addr, Register tmp);

  virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators,
                                               Register from, Register to, Register count,
                                               Register preserve1, Register preserve2) {}
  virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
                                                Register addr, Register count, Register preserve);

  virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                            Register base, RegisterOrConstant ind_or_offs, Register val,
                            Register tmp1, Register tmp2, Register tmp3,
                            MacroAssembler::PreservationLevel preservation_level);

public:
  virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                                  Register src, Register dst, Register count,
                                  Register preserve1, Register preserve2);
  virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                                  Register dst, Register count,
                                  Register preserve);

  virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                        Register base, RegisterOrConstant ind_or_offs, Register val,
                        Register tmp1, Register tmp2, Register tmp3,
                        MacroAssembler::PreservationLevel preservation_level);

  virtual void resolve_jobject(MacroAssembler* masm, Register value,
                               Register tmp1, Register tmp2,
                               MacroAssembler::PreservationLevel preservation_level);

};

#endif // CPU_PPC_GC_SHARED_CARDTABLEBARRIERSETASSEMBLER_PPC_HPP
