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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef VM_HEAP_H_ | 5 #ifndef VM_HEAP_H_ |
| 6 #define VM_HEAP_H_ | 6 #define VM_HEAP_H_ |
| 7 | 7 |
| 8 #include "vm/allocation.h" | 8 #include "vm/allocation.h" |
| 9 #include "vm/assert.h" | 9 #include "vm/assert.h" |
| 10 #include "vm/flags.h" | 10 #include "vm/flags.h" |
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| 27 class Heap { | 27 class Heap { |
| 28 public: | 28 public: |
| 29 enum Space { | 29 enum Space { |
| 30 kNew, | 30 kNew, |
| 31 kOld, | 31 kOld, |
| 32 kExecutable | 32 kExecutable |
| 33 }; | 33 }; |
| 34 | 34 |
| 35 // Default allocation sizes in MB for the old gen and code heaps. | 35 // Default allocation sizes in MB for the old gen and code heaps. |
| 36 static const intptr_t kHeapSizeInMB = 512; | 36 static const intptr_t kHeapSizeInMB = 512; |
| 37 static const intptr_t kCodeHeapSizeInMB = 4; | 37 static const intptr_t kCodeHeapSizeInMB = 8; |
| 38 | 38 |
| 39 ~Heap(); | 39 ~Heap(); |
| 40 | 40 |
| 41 uword Allocate(intptr_t size, Space space) { | 41 uword Allocate(intptr_t size, Space space) { |
| 42 switch (space) { | 42 switch (space) { |
| 43 case kNew: | 43 case kNew: |
| 44 // Do not attempt to allocate very large objects in new space. | 44 // Do not attempt to allocate very large objects in new space. |
| 45 if (!PageSpace::IsPageAllocatableSize(size)) { | 45 if (!PageSpace::IsPageAllocatableSize(size)) { |
| 46 return AllocateOld(size); | 46 return AllocateOld(size); |
| 47 } | 47 } |
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| 122 public: | 122 public: |
| 123 NoGCScope() {} | 123 NoGCScope() {} |
| 124 private: | 124 private: |
| 125 DISALLOW_COPY_AND_ASSIGN(NoGCScope); | 125 DISALLOW_COPY_AND_ASSIGN(NoGCScope); |
| 126 }; | 126 }; |
| 127 #endif // defined(DEBUG) | 127 #endif // defined(DEBUG) |
| 128 | 128 |
| 129 } // namespace dart | 129 } // namespace dart |
| 130 | 130 |
| 131 #endif // VM_HEAP_H_ | 131 #endif // VM_HEAP_H_ |
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