| /* |
| * 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, |
| 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 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 |