17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef SHARE_GC_Z_ZCOLLECTEDHEAP_HPP
25 #define SHARE_GC_Z_ZCOLLECTEDHEAP_HPP
26
27 #include "gc/shared/collectedHeap.hpp"
28 #include "gc/shared/softRefPolicy.hpp"
29 #include "gc/z/zBarrierSet.hpp"
30 #include "gc/z/zDirector.hpp"
31 #include "gc/z/zDriver.hpp"
32 #include "gc/z/zHeap.hpp"
33 #include "gc/z/zInitialize.hpp"
34 #include "gc/z/zRuntimeWorkers.hpp"
35 #include "gc/z/zStat.hpp"
36 #include "gc/z/zUncommitter.hpp"
37
38 class ZCollectedHeap : public CollectedHeap {
39 friend class VMStructs;
40
41 private:
42 SoftRefPolicy _soft_ref_policy;
43 ZBarrierSet _barrier_set;
44 ZInitialize _initialize;
45 ZHeap _heap;
46 ZDirector* _director;
47 ZDriver* _driver;
48 ZUncommitter* _uncommitter;
49 ZStat* _stat;
50 ZRuntimeWorkers _runtime_workers;
51
52 virtual HeapWord* allocate_new_tlab(size_t min_size,
53 size_t requested_size,
54 size_t* actual_size);
55
56 public:
61 virtual const char* name() const;
62 virtual jint initialize();
63 virtual void initialize_serviceability();
64 virtual void stop();
65
66 virtual SoftRefPolicy* soft_ref_policy();
67
68 virtual size_t max_capacity() const;
69 virtual size_t capacity() const;
70 virtual size_t used() const;
71 virtual size_t unused() const;
72
73 virtual bool is_maximal_no_gc() const;
74 virtual bool is_in(const void* p) const;
75
76 virtual uint32_t hash_oop(oop obj) const;
77
78 virtual HeapWord* mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded);
79 virtual MetaWord* satisfy_failed_metadata_allocation(ClassLoaderData* loader_data,
80 size_t size,
81 Metaspace::MetadataType mdtype);
82 virtual void collect(GCCause::Cause cause);
83 virtual void collect_as_vm_thread(GCCause::Cause cause);
84 virtual void do_full_collection(bool clear_all_soft_refs);
85
86 virtual bool supports_tlab_allocation() const;
87 virtual size_t tlab_capacity(Thread* thr) const;
88 virtual size_t tlab_used(Thread* thr) const;
89 virtual size_t max_tlab_size() const;
90 virtual size_t unsafe_max_tlab_alloc(Thread* thr) const;
91
92 virtual bool can_elide_tlab_store_barriers() const;
93 virtual bool can_elide_initializing_store_barrier(oop new_obj);
94 virtual bool card_mark_must_follow_store() const;
95
96 virtual GrowableArray<GCMemoryManager*> memory_managers();
97 virtual GrowableArray<MemoryPool*> memory_pools();
98
99 virtual void object_iterate(ObjectClosure* cl);
100 virtual void safe_object_iterate(ObjectClosure* cl);
101
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef SHARE_GC_Z_ZCOLLECTEDHEAP_HPP
25 #define SHARE_GC_Z_ZCOLLECTEDHEAP_HPP
26
27 #include "gc/shared/collectedHeap.hpp"
28 #include "gc/shared/softRefPolicy.hpp"
29 #include "gc/z/zBarrierSet.hpp"
30 #include "gc/z/zDirector.hpp"
31 #include "gc/z/zDriver.hpp"
32 #include "gc/z/zHeap.hpp"
33 #include "gc/z/zInitialize.hpp"
34 #include "gc/z/zRuntimeWorkers.hpp"
35 #include "gc/z/zStat.hpp"
36 #include "gc/z/zUncommitter.hpp"
37 #include "memory/metaspace/metaspaceEnums.hpp"
38
39 class ZCollectedHeap : public CollectedHeap {
40 friend class VMStructs;
41
42 private:
43 SoftRefPolicy _soft_ref_policy;
44 ZBarrierSet _barrier_set;
45 ZInitialize _initialize;
46 ZHeap _heap;
47 ZDirector* _director;
48 ZDriver* _driver;
49 ZUncommitter* _uncommitter;
50 ZStat* _stat;
51 ZRuntimeWorkers _runtime_workers;
52
53 virtual HeapWord* allocate_new_tlab(size_t min_size,
54 size_t requested_size,
55 size_t* actual_size);
56
57 public:
62 virtual const char* name() const;
63 virtual jint initialize();
64 virtual void initialize_serviceability();
65 virtual void stop();
66
67 virtual SoftRefPolicy* soft_ref_policy();
68
69 virtual size_t max_capacity() const;
70 virtual size_t capacity() const;
71 virtual size_t used() const;
72 virtual size_t unused() const;
73
74 virtual bool is_maximal_no_gc() const;
75 virtual bool is_in(const void* p) const;
76
77 virtual uint32_t hash_oop(oop obj) const;
78
79 virtual HeapWord* mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded);
80 virtual MetaWord* satisfy_failed_metadata_allocation(ClassLoaderData* loader_data,
81 size_t size,
82 metaspace::MetadataType mdtype);
83 virtual void collect(GCCause::Cause cause);
84 virtual void collect_as_vm_thread(GCCause::Cause cause);
85 virtual void do_full_collection(bool clear_all_soft_refs);
86
87 virtual bool supports_tlab_allocation() const;
88 virtual size_t tlab_capacity(Thread* thr) const;
89 virtual size_t tlab_used(Thread* thr) const;
90 virtual size_t max_tlab_size() const;
91 virtual size_t unsafe_max_tlab_alloc(Thread* thr) const;
92
93 virtual bool can_elide_tlab_store_barriers() const;
94 virtual bool can_elide_initializing_store_barrier(oop new_obj);
95 virtual bool card_mark_must_follow_store() const;
96
97 virtual GrowableArray<GCMemoryManager*> memory_managers();
98 virtual GrowableArray<MemoryPool*> memory_pools();
99
100 virtual void object_iterate(ObjectClosure* cl);
101 virtual void safe_object_iterate(ObjectClosure* cl);
102
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