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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_SPACES_H_ | 5 #ifndef V8_SPACES_H_ |
6 #define V8_SPACES_H_ | 6 #define V8_SPACES_H_ |
7 | 7 |
8 #include "allocation.h" | 8 #include "allocation.h" |
9 #include "hashmap.h" | 9 #include "hashmap.h" |
10 #include "list.h" | 10 #include "list.h" |
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2410 public: | 2410 public: |
2411 // Constructor. | 2411 // Constructor. |
2412 explicit NewSpace(Heap* heap) | 2412 explicit NewSpace(Heap* heap) |
2413 : Space(heap, NEW_SPACE, NOT_EXECUTABLE), | 2413 : Space(heap, NEW_SPACE, NOT_EXECUTABLE), |
2414 to_space_(heap, kToSpace), | 2414 to_space_(heap, kToSpace), |
2415 from_space_(heap, kFromSpace), | 2415 from_space_(heap, kFromSpace), |
2416 reservation_(), | 2416 reservation_(), |
2417 inline_allocation_limit_step_(0) {} | 2417 inline_allocation_limit_step_(0) {} |
2418 | 2418 |
2419 // Sets up the new space using the given chunk. | 2419 // Sets up the new space using the given chunk. |
2420 bool SetUp(int reserved_semispace_size_, int max_semispace_size); | 2420 bool SetUp(int reserved_semispace_size_, int max_semi_space_size); |
2421 | 2421 |
2422 // Tears down the space. Heap memory was not allocated by the space, so it | 2422 // Tears down the space. Heap memory was not allocated by the space, so it |
2423 // is not deallocated here. | 2423 // is not deallocated here. |
2424 void TearDown(); | 2424 void TearDown(); |
2425 | 2425 |
2426 // True if the space has been set up but not torn down. | 2426 // True if the space has been set up but not torn down. |
2427 bool HasBeenSetUp() { | 2427 bool HasBeenSetUp() { |
2428 return to_space_.HasBeenSetUp() && from_space_.HasBeenSetUp(); | 2428 return to_space_.HasBeenSetUp() && from_space_.HasBeenSetUp(); |
2429 } | 2429 } |
2430 | 2430 |
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2996 } | 2996 } |
2997 // Must be small, since an iteration is used for lookup. | 2997 // Must be small, since an iteration is used for lookup. |
2998 static const int kMaxComments = 64; | 2998 static const int kMaxComments = 64; |
2999 }; | 2999 }; |
3000 #endif | 3000 #endif |
3001 | 3001 |
3002 | 3002 |
3003 } } // namespace v8::internal | 3003 } } // namespace v8::internal |
3004 | 3004 |
3005 #endif // V8_SPACES_H_ | 3005 #endif // V8_SPACES_H_ |
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