/*

 * 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#ifndef CPU_X86_GC_G1_G1BARRIERSETASSEMBLER_X86_HPP

#define CPU_X86_GC_G1_G1BARRIERSETASSEMBLER_X86_HPP

#include "asm/macroAssembler.hpp"

#include "gc/shared/modRefBarrierSetAssembler.hpp"

class G1BarrierSetAssembler: public ModRefBarrierSetAssembler {

 protected:

  virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count);

  virtual 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 obj,

                            Register pre_val,

                            Register thread,

                            Register tmp,

                            bool tosca_live,

                            bool expand_call);

  void g1_write_barrier_post(MacroAssembler* masm,

                             Register store_addr,

                             Register new_val,

                             Register thread,

                             Register tmp,

                             Register tmp2);

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

                            Address dst, Register val, Register tmp1, Register tmp2);

 public:

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

                       Register dst, Address src, Register tmp1, Register tmp_thread);

};

#endif // CPU_X86_GC_G1_G1BARRIERSETASSEMBLER_X86_HPP