132 return CHeapObj<F>::operator new(size, nothrow_constant, stack);
133 }
134
135 template <MEMFLAGS F> void* CHeapObj<F>::operator new [](size_t size,
136 const std::nothrow_t& nothrow_constant) throw() {
137 return CHeapObj<F>::operator new(size, nothrow_constant, CALLER_PC);
138 }
139
140 template <MEMFLAGS F> void CHeapObj<F>::operator delete(void* p){
141 FreeHeap(p);
142 }
143
144 template <MEMFLAGS F> void CHeapObj<F>::operator delete [](void* p){
145 FreeHeap(p);
146 }
147
148 template <class E, MEMFLAGS F>
149 size_t MmapArrayAllocator<E, F>::size_for(size_t length) {
150 size_t size = length * sizeof(E);
151 int alignment = os::vm_allocation_granularity();
152 return align_size_up(size, alignment);
153 }
154
155 template <class E, MEMFLAGS F>
156 E* MmapArrayAllocator<E, F>::allocate_or_null(size_t length) {
157 size_t size = size_for(length);
158 int alignment = os::vm_allocation_granularity();
159
160 char* addr = os::reserve_memory(size, NULL, alignment, F);
161 if (addr == NULL) {
162 return NULL;
163 }
164
165 if (os::commit_memory(addr, size, !ExecMem, "Allocator (commit)")) {
166 return (E*)addr;
167 } else {
168 os::release_memory(addr, size);
169 return NULL;
170 }
171 }
172
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132 return CHeapObj<F>::operator new(size, nothrow_constant, stack);
133 }
134
135 template <MEMFLAGS F> void* CHeapObj<F>::operator new [](size_t size,
136 const std::nothrow_t& nothrow_constant) throw() {
137 return CHeapObj<F>::operator new(size, nothrow_constant, CALLER_PC);
138 }
139
140 template <MEMFLAGS F> void CHeapObj<F>::operator delete(void* p){
141 FreeHeap(p);
142 }
143
144 template <MEMFLAGS F> void CHeapObj<F>::operator delete [](void* p){
145 FreeHeap(p);
146 }
147
148 template <class E, MEMFLAGS F>
149 size_t MmapArrayAllocator<E, F>::size_for(size_t length) {
150 size_t size = length * sizeof(E);
151 int alignment = os::vm_allocation_granularity();
152 return align_up(size, alignment);
153 }
154
155 template <class E, MEMFLAGS F>
156 E* MmapArrayAllocator<E, F>::allocate_or_null(size_t length) {
157 size_t size = size_for(length);
158 int alignment = os::vm_allocation_granularity();
159
160 char* addr = os::reserve_memory(size, NULL, alignment, F);
161 if (addr == NULL) {
162 return NULL;
163 }
164
165 if (os::commit_memory(addr, size, !ExecMem, "Allocator (commit)")) {
166 return (E*)addr;
167 } else {
168 os::release_memory(addr, size);
169 return NULL;
170 }
171 }
172
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