/*

 * Copyright (c) 2019, Red Hat, Inc. All rights reserved.

 *

 * 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/shenandoah/shenandoahNormalMode.hpp"

#include "gc/shenandoah/heuristics/shenandoahAdaptiveHeuristics.hpp"

#include "gc/shenandoah/heuristics/shenandoahAggressiveHeuristics.hpp"

#include "gc/shenandoah/heuristics/shenandoahCompactHeuristics.hpp"

#include "gc/shenandoah/heuristics/shenandoahStaticHeuristics.hpp"

#include "logging/log.hpp"

#include "logging/logTag.hpp"

void ShenandoahNormalMode::initialize_flags() const {

  SHENANDOAH_ERGO_ENABLE_FLAG(ExplicitGCInvokesConcurrent);

  SHENANDOAH_ERGO_ENABLE_FLAG(ShenandoahImplicitGCInvokesConcurrent);

  // Final configuration checks

  SHENANDOAH_CHECK_FLAG_SET(ShenandoahLoadRefBarrier);

  SHENANDOAH_CHECK_FLAG_SET(ShenandoahSATBBarrier);

  SHENANDOAH_CHECK_FLAG_SET(ShenandoahKeepAliveBarrier);

  SHENANDOAH_CHECK_FLAG_SET(ShenandoahCASBarrier);

  SHENANDOAH_CHECK_FLAG_SET(ShenandoahCloneBarrier);

}

ShenandoahHeuristics* ShenandoahNormalMode::initialize_heuristics() const {

  if (ShenandoahGCHeuristics != NULL) {

    if (strcmp(ShenandoahGCHeuristics, "aggressive") == 0) {

      return new ShenandoahAggressiveHeuristics();

    } else if (strcmp(ShenandoahGCHeuristics, "static") == 0) {

      return new ShenandoahStaticHeuristics();

    } else if (strcmp(ShenandoahGCHeuristics, "adaptive") == 0) {

      return new ShenandoahAdaptiveHeuristics();

    } else if (strcmp(ShenandoahGCHeuristics, "compact") == 0) {

      return new ShenandoahCompactHeuristics();

    } else {

      vm_exit_during_initialization("Unknown -XX:ShenandoahGCHeuristics option");

    }

  }

  ShouldNotReachHere();

  return NULL;

}