/*

 * 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.

 *

 */

#include "precompiled.hpp"

#include "gc/g1/g1BarrierSet.inline.hpp"

#include "gc/g1/g1BarrierSetRuntime.hpp"

#include "gc/g1/g1ThreadLocalData.hpp"

#include "runtime/interfaceSupport.inline.hpp"

#include "utilities/macros.hpp"

void G1BarrierSetRuntime::write_ref_array_pre_oop_entry(oop* dst, size_t length) {

  G1BarrierSet *bs = barrier_set_cast<G1BarrierSet>(BarrierSet::barrier_set());

  bs->write_ref_array_pre(dst, length, false);

}

void G1BarrierSetRuntime::write_ref_array_pre_narrow_oop_entry(narrowOop* dst, size_t length) {

  G1BarrierSet *bs = barrier_set_cast<G1BarrierSet>(BarrierSet::barrier_set());

  bs->write_ref_array_pre(dst, length, false);

}

void G1BarrierSetRuntime::write_ref_array_post_entry(HeapWord* dst, size_t length) {

  G1BarrierSet *bs = barrier_set_cast<G1BarrierSet>(BarrierSet::barrier_set());

  bs->G1BarrierSet::write_ref_array(dst, length);

}

// G1 pre write barrier slowpath

JRT_LEAF(void, G1BarrierSetRuntime::write_ref_field_pre_entry(oopDesc* orig, JavaThread *thread))

  if (orig == NULL) {

    assert(false, "should be optimized out");

    return;

  }

  assert(oopDesc::is_oop(orig, true /* ignore mark word */), "Error");

  // store the original value that was in the field reference

  G1ThreadLocalData::satb_mark_queue(thread).enqueue(orig);

JRT_END

// G1 post write barrier slowpath

JRT_LEAF(void, G1BarrierSetRuntime::write_ref_field_post_entry(void* card_addr, JavaThread* thread))

  G1ThreadLocalData::dirty_card_queue(thread).enqueue(card_addr);

JRT_END