/*

 * Copyright (c) 2018, 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

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

 * questions.

 */

#ifndef SHARE_GC_G1_G1THREADLOCALDATA_HPP

#define SHARE_GC_G1_G1THREADLOCALDATA_HPP

#include "gc/g1/g1BarrierSet.hpp"

#include "gc/g1/g1DirtyCardQueue.hpp"

#include "gc/shared/satbMarkQueue.hpp"

#include "runtime/thread.hpp"

#include "utilities/debug.hpp"

#include "utilities/sizes.hpp"

class G1ThreadLocalData {

private:

  SATBMarkQueue _satb_mark_queue;

  G1DirtyCardQueue _dirty_card_queue;

  G1ThreadLocalData() :

      _satb_mark_queue(&G1BarrierSet::satb_mark_queue_set()),

      _dirty_card_queue(&G1BarrierSet::dirty_card_queue_set()) {}

  static G1ThreadLocalData* data(Thread* thread) {

    assert(UseG1GC, "Sanity");

    return thread->gc_data<G1ThreadLocalData>();

  }

  static ByteSize satb_mark_queue_offset() {

    return Thread::gc_data_offset() + byte_offset_of(G1ThreadLocalData, _satb_mark_queue);

  }

  static ByteSize dirty_card_queue_offset() {

    return Thread::gc_data_offset() + byte_offset_of(G1ThreadLocalData, _dirty_card_queue);

  }

public:

  static void create(Thread* thread) {

    new (data(thread)) G1ThreadLocalData();

  }

  static void destroy(Thread* thread) {

    data(thread)->~G1ThreadLocalData();

  }

  static SATBMarkQueue& satb_mark_queue(Thread* thread) {

    return data(thread)->_satb_mark_queue;

  }

  static G1DirtyCardQueue& dirty_card_queue(Thread* thread) {

    return data(thread)->_dirty_card_queue;

  }

  static ByteSize satb_mark_queue_active_offset() {

    return satb_mark_queue_offset() + SATBMarkQueue::byte_offset_of_active();

  }

  static ByteSize satb_mark_queue_index_offset() {

    return satb_mark_queue_offset() + SATBMarkQueue::byte_offset_of_index();

  }

  static ByteSize satb_mark_queue_buffer_offset() {

    return satb_mark_queue_offset() + SATBMarkQueue::byte_offset_of_buf();

  }

  static ByteSize dirty_card_queue_index_offset() {

    return dirty_card_queue_offset() + G1DirtyCardQueue::byte_offset_of_index();

  }

  static ByteSize dirty_card_queue_buffer_offset() {

    return dirty_card_queue_offset() + G1DirtyCardQueue::byte_offset_of_buf();

  }

};

#endif // SHARE_GC_G1_G1THREADLOCALDATA_HPP