/*
* Copyright (c) 2015, 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
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*/
#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/zCollectorPolicy.hpp"
#include "gc/z/zDirector.hpp"
#include "gc/z/zDriver.hpp"
#include "gc/z/zInitialize.hpp"
#include "gc/z/zHeap.hpp"
#include "gc/z/zRuntimeWorkers.hpp"
#include "gc/z/zStat.hpp"
class ZCollectedHeap : public CollectedHeap {
friend class VMStructs;
private:
ZCollectorPolicy* _collector_policy;
SoftRefPolicy _soft_ref_policy;
ZBarrierSet _barrier_set;
ZInitialize _initialize;
ZHeap _heap;
ZDirector* _director;
ZDriver* _driver;
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(ZCollectorPolicy* policy);
virtual Name kind() const;
virtual const char* name() const;
virtual jint initialize();
virtual void initialize_serviceability();
virtual void stop();
virtual CollectorPolicy* collector_policy() const;
virtual SoftRefPolicy* soft_ref_policy();
virtual size_t max_capacity() const;
virtual size_t capacity() const;
virtual size_t used() const;
virtual bool is_maximal_no_gc() const;
virtual bool is_scavengable(oop obj);
virtual bool is_in(const void* p) const;
virtual bool is_in_closed_subset(const void* p) const;
virtual void fill_with_dummy_object(HeapWord* start, HeapWord* end, bool zap);
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,
Metaspace::MetadataType mdtype);
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 HeapWord* block_start(const void* addr) const;
virtual size_t block_size(const HeapWord* addr) const;
virtual bool block_is_obj(const HeapWord* addr) const;
virtual void register_nmethod(nmethod* nm);
virtual void unregister_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 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 void prepare_for_verify();
virtual void verify(VerifyOption option /* ignored */);
virtual bool is_oop(oop object) const;
};
#endif // SHARE_GC_Z_ZCOLLECTEDHEAP_HPP