OLD | NEW |
1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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_OBJECTS_H_ | 5 #ifndef V8_OBJECTS_H_ |
6 #define V8_OBJECTS_H_ | 6 #define V8_OBJECTS_H_ |
7 | 7 |
8 #include <iosfwd> | 8 #include <iosfwd> |
9 #include <memory> | 9 #include <memory> |
10 | 10 |
(...skipping 4784 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
4795 inline static FreeSpace* cast(HeapObject* obj); | 4795 inline static FreeSpace* cast(HeapObject* obj); |
4796 | 4796 |
4797 // Dispatched behavior. | 4797 // Dispatched behavior. |
4798 DECLARE_PRINTER(FreeSpace) | 4798 DECLARE_PRINTER(FreeSpace) |
4799 DECLARE_VERIFIER(FreeSpace) | 4799 DECLARE_VERIFIER(FreeSpace) |
4800 | 4800 |
4801 // Layout description. | 4801 // Layout description. |
4802 // Size is smi tagged when it is stored. | 4802 // Size is smi tagged when it is stored. |
4803 static const int kSizeOffset = HeapObject::kHeaderSize; | 4803 static const int kSizeOffset = HeapObject::kHeaderSize; |
4804 static const int kNextOffset = POINTER_SIZE_ALIGN(kSizeOffset + kPointerSize); | 4804 static const int kNextOffset = POINTER_SIZE_ALIGN(kSizeOffset + kPointerSize); |
| 4805 static const int kSize = kNextOffset + kPointerSize; |
4805 | 4806 |
4806 private: | 4807 private: |
4807 DISALLOW_IMPLICIT_CONSTRUCTORS(FreeSpace); | 4808 DISALLOW_IMPLICIT_CONSTRUCTORS(FreeSpace); |
4808 }; | 4809 }; |
4809 | 4810 |
4810 | 4811 |
4811 // V has parameters (Type, type, TYPE, C type, element_size) | 4812 // V has parameters (Type, type, TYPE, C type, element_size) |
4812 #define TYPED_ARRAYS(V) \ | 4813 #define TYPED_ARRAYS(V) \ |
4813 V(Uint8, uint8, UINT8, uint8_t, 1) \ | 4814 V(Uint8, uint8, UINT8, uint8_t, 1) \ |
4814 V(Int8, int8, INT8, int8_t, 1) \ | 4815 V(Int8, int8, INT8, int8_t, 1) \ |
(...skipping 5741 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
10556 DECLARE_PRINTER(JSArray) | 10557 DECLARE_PRINTER(JSArray) |
10557 DECLARE_VERIFIER(JSArray) | 10558 DECLARE_VERIFIER(JSArray) |
10558 | 10559 |
10559 // Number of element slots to pre-allocate for an empty array. | 10560 // Number of element slots to pre-allocate for an empty array. |
10560 static const int kPreallocatedArrayElements = 4; | 10561 static const int kPreallocatedArrayElements = 4; |
10561 | 10562 |
10562 // Layout description. | 10563 // Layout description. |
10563 static const int kLengthOffset = JSObject::kHeaderSize; | 10564 static const int kLengthOffset = JSObject::kHeaderSize; |
10564 static const int kSize = kLengthOffset + kPointerSize; | 10565 static const int kSize = kLengthOffset + kPointerSize; |
10565 | 10566 |
10566 // 600 * KB is the Page::kMaxRegularHeapObjectSize defined in spaces.h which | 10567 // 400 * KB is the Page::kMaxRegularHeapObjectSize defined in spaces.h which |
10567 // we do not want to include in objects.h | 10568 // we do not want to include in objects.h |
10568 // Note that Page::kMaxRegularHeapObjectSize has to be in sync with | 10569 // Note that Page::kMaxRegularHeapObjectSize has to be in sync with |
10569 // kInitialMaxFastElementArray which is checked in a DCHECK in heap.cc. | 10570 // kInitialMaxFastElementArray which is checked in a DCHECK in heap.cc. |
10570 static const int kInitialMaxFastElementArray = | 10571 static const int kInitialMaxFastElementArray = |
10571 (600 * KB - FixedArray::kHeaderSize - kSize - AllocationMemento::kSize) / | 10572 (400 * KB - FixedArray::kHeaderSize - kSize - AllocationMemento::kSize) / |
10572 kPointerSize; | 10573 kPointerSize; |
10573 | 10574 |
10574 private: | 10575 private: |
10575 DISALLOW_IMPLICIT_CONSTRUCTORS(JSArray); | 10576 DISALLOW_IMPLICIT_CONSTRUCTORS(JSArray); |
10576 }; | 10577 }; |
10577 | 10578 |
10578 | 10579 |
10579 Handle<Object> CacheInitialJSArrayMaps(Handle<Context> native_context, | 10580 Handle<Object> CacheInitialJSArrayMaps(Handle<Context> native_context, |
10580 Handle<Map> initial_map); | 10581 Handle<Map> initial_map); |
10581 | 10582 |
(...skipping 597 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
11179 } | 11180 } |
11180 return value; | 11181 return value; |
11181 } | 11182 } |
11182 }; | 11183 }; |
11183 | 11184 |
11184 | 11185 |
11185 } // NOLINT, false-positive due to second-order macros. | 11186 } // NOLINT, false-positive due to second-order macros. |
11186 } // NOLINT, false-positive due to second-order macros. | 11187 } // NOLINT, false-positive due to second-order macros. |
11187 | 11188 |
11188 #endif // V8_OBJECTS_H_ | 11189 #endif // V8_OBJECTS_H_ |
OLD | NEW |