/*

 * Copyright (c) 2015, 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_Z_ZCOLLECTEDHEAP_HPP

#define SHARE_GC_Z_ZCOLLECTEDHEAP_HPP

#include "gc/shared/collectedHeap.hpp"

#include "gc/shared/softRefPolicy.hpp"

#include "gc/z/zBarrierSet.hpp"

#include "gc/z/zDirector.hpp"

#include "gc/z/zDriver.hpp"

#include "gc/z/zHeap.hpp"

#include "gc/z/zInitialize.hpp"

#include "gc/z/zRuntimeWorkers.hpp"

#include "gc/z/zStat.hpp"

#include "gc/z/zUncommitter.hpp"

class ZCollectedHeap : public CollectedHeap {

  friend class VMStructs;

private:

  SoftRefPolicy     _soft_ref_policy;

  ZBarrierSet       _barrier_set;

  ZInitialize       _initialize;

  ZHeap             _heap;

  ZDirector*        _director;

  ZDriver*          _driver;

  ZUncommitter*     _uncommitter;

  ZStat*            _stat;

  ZRuntimeWorkers   _runtime_workers;

  virtual HeapWord* allocate_new_tlab(size_t min_size,

                                      size_t requested_size,

                                      size_t* actual_size);

public:

  static ZCollectedHeap* heap();

  ZCollectedHeap();

  virtual Name kind() const;

  virtual const char* name() const;

  virtual jint initialize();

  virtual void initialize_serviceability();

  virtual void stop();

  virtual SoftRefPolicy* soft_ref_policy();

  virtual size_t max_capacity() const;

  virtual size_t capacity() const;

  virtual size_t used() const;

  virtual size_t unused() const;

  virtual bool is_maximal_no_gc() const;

  virtual bool is_in(const void* p) const;

  virtual uint32_t hash_oop(oop obj) const;

  virtual oop array_allocate(Klass* klass, int size, int length, bool do_zero, TRAPS);

  virtual HeapWord* mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded);

  virtual MetaWord* satisfy_failed_metadata_allocation(ClassLoaderData* loader_data,

                                                       size_t size,

  virtual void collect(GCCause::Cause cause);

  virtual void collect_as_vm_thread(GCCause::Cause cause);

  virtual void do_full_collection(bool clear_all_soft_refs);

  virtual bool supports_tlab_allocation() const;

  virtual size_t tlab_capacity(Thread* thr) const;

  virtual size_t tlab_used(Thread* thr) const;

  virtual size_t max_tlab_size() const;

  virtual size_t unsafe_max_tlab_alloc(Thread* thr) const;

  virtual bool can_elide_tlab_store_barriers() const;

  virtual bool can_elide_initializing_store_barrier(oop new_obj);

  virtual bool card_mark_must_follow_store() const;

  virtual GrowableArray<GCMemoryManager*> memory_managers();

  virtual GrowableArray<MemoryPool*> memory_pools();

  virtual void object_iterate(ObjectClosure* cl);

  virtual void safe_object_iterate(ObjectClosure* cl);

  virtual void register_nmethod(nmethod* nm);

  virtual void unregister_nmethod(nmethod* nm);

  virtual void flush_nmethod(nmethod* nm);

  virtual void verify_nmethod(nmethod* nmethod);

  virtual WorkGang* get_safepoint_workers();

  virtual jlong millis_since_last_gc();

  virtual void gc_threads_do(ThreadClosure* tc) const;

  virtual VirtualSpaceSummary create_heap_space_summary();

  virtual void safepoint_synchronize_begin();

  virtual void safepoint_synchronize_end();

  virtual void print_on(outputStream* st) const;

  virtual void print_on_error(outputStream* st) const;

  virtual void print_extended_on(outputStream* st) const;

  virtual void print_gc_threads_on(outputStream* st) const;

  virtual void print_tracing_info() const;

  virtual bool print_location(outputStream* st, void* addr) const;

  virtual void prepare_for_verify();

  virtual void verify(VerifyOption option /* ignored */);

  virtual bool is_oop(oop object) const;

};

#endif // SHARE_GC_Z_ZCOLLECTEDHEAP_HPP