/*

 * Copyright (c) 2012, 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

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 *

 */

#ifndef SHARE_VM_GC_SHARED_GCCONFIGURATION_HPP

#define SHARE_VM_GC_SHARED_GCCONFIGURATION_HPP

#include "gc/shared/gcName.hpp"

#include "memory/universe.hpp"

#include "utilities/globalDefinitions.hpp"

class GCConfiguration {

 public:

  GCName young_collector() const;

  GCName old_collector() const;

  uint num_parallel_gc_threads() const;

  uint num_concurrent_gc_threads() const;

  bool uses_dynamic_gc_threads() const;

  bool is_explicit_gc_concurrent() const;

  bool is_explicit_gc_disabled() const;

  uintx gc_time_ratio() const;

  bool has_pause_target_default_value() const;

  uintx pause_target() const;

};

class GCTLABConfiguration {

 public:

  bool uses_tlabs() const;

  size_t min_tlab_size() const;

  uint tlab_refill_waste_limit() const;

};

class GCSurvivorConfiguration {

 public:

  intx initial_tenuring_threshold() const;

  intx max_tenuring_threshold() const;

};

class GCHeapConfiguration {

 public:

  size_t max_size() const;

  size_t min_size() const;

  size_t initial_size() const;

  bool uses_compressed_oops() const;

  Universe::NARROW_OOP_MODE narrow_oop_mode() const;

  uint object_alignment_in_bytes() const;

  int heap_address_size_in_bits() const;

};

class GCYoungGenerationConfiguration {

 public:

  bool has_max_size_default_value() const;

  uintx max_size() const;

  uintx min_size() const;

  intx new_ratio() const;

};

#endif // SHARE_VM_GC_SHARED_GCCONFIGURATION_HPP