100 }
101
102 bool ZCollectedHeap::is_maximal_no_gc() const {
103 // Not supported
104 ShouldNotReachHere();
105 return false;
106 }
107
108 bool ZCollectedHeap::is_scavengable(oop obj) {
109 return false;
110 }
111
112 bool ZCollectedHeap::is_in(const void* p) const {
113 return is_in_reserved(p) && _heap.is_in((uintptr_t)p);
114 }
115
116 bool ZCollectedHeap::is_in_closed_subset(const void* p) const {
117 return is_in(p);
118 }
119
120 HeapWord* ZCollectedHeap::allocate_new_tlab(size_t min_size, size_t requested_size, size_t* actual_size) {
121 const size_t size_in_bytes = ZUtils::words_to_bytes(align_object_size(requested_size));
122 const uintptr_t addr = _heap.alloc_tlab(size_in_bytes);
123
124 if (addr != 0) {
125 *actual_size = requested_size;
126 }
127
128 return (HeapWord*)addr;
129 }
130
131 HeapWord* ZCollectedHeap::mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded) {
132 const size_t size_in_bytes = ZUtils::words_to_bytes(align_object_size(size));
133 return (HeapWord*)_heap.alloc_object(size_in_bytes);
134 }
135
136 MetaWord* ZCollectedHeap::satisfy_failed_metadata_allocation(ClassLoaderData* loader_data,
137 size_t size,
138 Metaspace::MetadataType mdtype) {
139 MetaWord* result;
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100 }
101
102 bool ZCollectedHeap::is_maximal_no_gc() const {
103 // Not supported
104 ShouldNotReachHere();
105 return false;
106 }
107
108 bool ZCollectedHeap::is_scavengable(oop obj) {
109 return false;
110 }
111
112 bool ZCollectedHeap::is_in(const void* p) const {
113 return is_in_reserved(p) && _heap.is_in((uintptr_t)p);
114 }
115
116 bool ZCollectedHeap::is_in_closed_subset(const void* p) const {
117 return is_in(p);
118 }
119
120 void ZCollectedHeap::fill_with_dummy_object(HeapWord* start, HeapWord* end, bool zap) {
121 // Does nothing, not a parsable heap
122 }
123
124 HeapWord* ZCollectedHeap::allocate_new_tlab(size_t min_size, size_t requested_size, size_t* actual_size) {
125 const size_t size_in_bytes = ZUtils::words_to_bytes(align_object_size(requested_size));
126 const uintptr_t addr = _heap.alloc_tlab(size_in_bytes);
127
128 if (addr != 0) {
129 *actual_size = requested_size;
130 }
131
132 return (HeapWord*)addr;
133 }
134
135 HeapWord* ZCollectedHeap::mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded) {
136 const size_t size_in_bytes = ZUtils::words_to_bytes(align_object_size(size));
137 return (HeapWord*)_heap.alloc_object(size_in_bytes);
138 }
139
140 MetaWord* ZCollectedHeap::satisfy_failed_metadata_allocation(ClassLoaderData* loader_data,
141 size_t size,
142 Metaspace::MetadataType mdtype) {
143 MetaWord* result;
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