93 }
94
95 size_t ZCollectedHeap::capacity() const {
96 return _heap.capacity();
97 }
98
99 size_t ZCollectedHeap::used() const {
100 return _heap.used();
101 }
102
103 bool ZCollectedHeap::is_maximal_no_gc() const {
104 // Not supported
105 ShouldNotReachHere();
106 return false;
107 }
108
109 bool ZCollectedHeap::is_in(const void* p) const {
110 return is_in_reserved(p) && _heap.is_in((uintptr_t)p);
111 }
112
113 bool ZCollectedHeap::is_in_closed_subset(const void* p) const {
114 return is_in(p);
115 }
116
117 HeapWord* ZCollectedHeap::allocate_new_tlab(size_t min_size, size_t requested_size, size_t* actual_size) {
118 const size_t size_in_bytes = ZUtils::words_to_bytes(align_object_size(requested_size));
119 const uintptr_t addr = _heap.alloc_tlab(size_in_bytes);
120
121 if (addr != 0) {
122 *actual_size = requested_size;
123 }
124
125 return (HeapWord*)addr;
126 }
127
128 HeapWord* ZCollectedHeap::mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded) {
129 const size_t size_in_bytes = ZUtils::words_to_bytes(align_object_size(size));
130 return (HeapWord*)_heap.alloc_object(size_in_bytes);
131 }
132
133 MetaWord* ZCollectedHeap::satisfy_failed_metadata_allocation(ClassLoaderData* loader_data,
134 size_t size,
135 Metaspace::MetadataType mdtype) {
136 MetaWord* result;
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93 }
94
95 size_t ZCollectedHeap::capacity() const {
96 return _heap.capacity();
97 }
98
99 size_t ZCollectedHeap::used() const {
100 return _heap.used();
101 }
102
103 bool ZCollectedHeap::is_maximal_no_gc() const {
104 // Not supported
105 ShouldNotReachHere();
106 return false;
107 }
108
109 bool ZCollectedHeap::is_in(const void* p) const {
110 return is_in_reserved(p) && _heap.is_in((uintptr_t)p);
111 }
112
113 HeapWord* ZCollectedHeap::allocate_new_tlab(size_t min_size, size_t requested_size, size_t* actual_size) {
114 const size_t size_in_bytes = ZUtils::words_to_bytes(align_object_size(requested_size));
115 const uintptr_t addr = _heap.alloc_tlab(size_in_bytes);
116
117 if (addr != 0) {
118 *actual_size = requested_size;
119 }
120
121 return (HeapWord*)addr;
122 }
123
124 HeapWord* ZCollectedHeap::mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded) {
125 const size_t size_in_bytes = ZUtils::words_to_bytes(align_object_size(size));
126 return (HeapWord*)_heap.alloc_object(size_in_bytes);
127 }
128
129 MetaWord* ZCollectedHeap::satisfy_failed_metadata_allocation(ClassLoaderData* loader_data,
130 size_t size,
131 Metaspace::MetadataType mdtype) {
132 MetaWord* result;
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