132 lines
4.6 KiB
C++
132 lines
4.6 KiB
C++
/*
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* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#ifndef SHARE_GC_Z_ZCOLLECTEDHEAP_HPP
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#define SHARE_GC_Z_ZCOLLECTEDHEAP_HPP
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#include "gc/shared/collectedHeap.hpp"
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#include "gc/shared/softRefPolicy.hpp"
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#include "gc/z/zBarrierSet.hpp"
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#include "gc/z/zDirector.hpp"
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#include "gc/z/zDriver.hpp"
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#include "gc/z/zHeap.hpp"
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#include "gc/z/zInitialize.hpp"
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#include "gc/z/zRuntimeWorkers.hpp"
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#include "gc/z/zStat.hpp"
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#include "gc/z/zUncommitter.hpp"
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class ZCollectedHeap : public CollectedHeap {
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friend class VMStructs;
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private:
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SoftRefPolicy _soft_ref_policy;
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ZBarrierSet _barrier_set;
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ZInitialize _initialize;
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ZHeap _heap;
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ZDirector* _director;
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ZDriver* _driver;
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ZUncommitter* _uncommitter;
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ZStat* _stat;
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ZRuntimeWorkers _runtime_workers;
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virtual HeapWord* allocate_new_tlab(size_t min_size,
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size_t requested_size,
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size_t* actual_size);
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public:
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static ZCollectedHeap* heap();
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ZCollectedHeap();
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virtual Name kind() const;
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virtual const char* name() const;
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virtual jint initialize();
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virtual void initialize_serviceability();
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virtual void stop();
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virtual SoftRefPolicy* soft_ref_policy();
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virtual size_t max_capacity() const;
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virtual size_t capacity() const;
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virtual size_t used() const;
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virtual size_t unused() const;
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virtual bool is_maximal_no_gc() const;
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virtual bool is_in(const void* p) const;
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virtual uint32_t hash_oop(oop obj) const;
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virtual oop array_allocate(Klass* klass, int size, int length, bool do_zero, TRAPS);
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virtual HeapWord* mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded);
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virtual MetaWord* satisfy_failed_metadata_allocation(ClassLoaderData* loader_data,
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size_t size,
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Metaspace::MetadataType mdtype);
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virtual void collect(GCCause::Cause cause);
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virtual void collect_as_vm_thread(GCCause::Cause cause);
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virtual void do_full_collection(bool clear_all_soft_refs);
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virtual bool supports_tlab_allocation() const;
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virtual size_t tlab_capacity(Thread* thr) const;
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virtual size_t tlab_used(Thread* thr) const;
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virtual size_t max_tlab_size() const;
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virtual size_t unsafe_max_tlab_alloc(Thread* thr) const;
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virtual bool can_elide_tlab_store_barriers() const;
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virtual bool can_elide_initializing_store_barrier(oop new_obj);
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virtual bool card_mark_must_follow_store() const;
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virtual GrowableArray<GCMemoryManager*> memory_managers();
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virtual GrowableArray<MemoryPool*> memory_pools();
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virtual void object_iterate(ObjectClosure* cl);
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virtual void safe_object_iterate(ObjectClosure* cl);
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virtual void register_nmethod(nmethod* nm);
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virtual void unregister_nmethod(nmethod* nm);
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virtual void flush_nmethod(nmethod* nm);
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virtual void verify_nmethod(nmethod* nmethod);
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virtual WorkGang* get_safepoint_workers();
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virtual jlong millis_since_last_gc();
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virtual void gc_threads_do(ThreadClosure* tc) const;
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virtual VirtualSpaceSummary create_heap_space_summary();
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virtual void safepoint_synchronize_begin();
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virtual void safepoint_synchronize_end();
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virtual void print_on(outputStream* st) const;
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virtual void print_on_error(outputStream* st) const;
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virtual void print_extended_on(outputStream* st) const;
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virtual void print_gc_threads_on(outputStream* st) const;
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virtual void print_tracing_info() const;
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virtual bool print_location(outputStream* st, void* addr) const;
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virtual void prepare_for_verify();
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virtual void verify(VerifyOption option /* ignored */);
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virtual bool is_oop(oop object) const;
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};
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#endif // SHARE_GC_Z_ZCOLLECTEDHEAP_HPP
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