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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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296 | 296 |
297 | 297 |
298 void Page::SetIsPageExecutable(bool is_page_executable) { | 298 void Page::SetIsPageExecutable(bool is_page_executable) { |
299 SetPageFlag(IS_EXECUTABLE, is_page_executable); | 299 SetPageFlag(IS_EXECUTABLE, is_page_executable); |
300 } | 300 } |
301 | 301 |
302 | 302 |
303 // ----------------------------------------------------------------------------- | 303 // ----------------------------------------------------------------------------- |
304 // MemoryAllocator | 304 // MemoryAllocator |
305 | 305 |
| 306 void MemoryAllocator::ChunkInfo::init(Address a, size_t s, PagedSpace* o) { |
| 307 address_ = a; |
| 308 size_ = s; |
| 309 owner_ = o; |
| 310 executable_ = (o == NULL) ? NOT_EXECUTABLE : o->executable(); |
| 311 } |
| 312 |
| 313 |
306 bool MemoryAllocator::IsValidChunk(int chunk_id) { | 314 bool MemoryAllocator::IsValidChunk(int chunk_id) { |
307 if (!IsValidChunkId(chunk_id)) return false; | 315 if (!IsValidChunkId(chunk_id)) return false; |
308 | 316 |
309 ChunkInfo& c = chunks_[chunk_id]; | 317 ChunkInfo& c = chunks_[chunk_id]; |
310 return (c.address() != NULL) && (c.size() != 0) && (c.owner() != NULL); | 318 return (c.address() != NULL) && (c.size() != 0) && (c.owner() != NULL); |
311 } | 319 } |
312 | 320 |
313 | 321 |
314 bool MemoryAllocator::IsValidChunkId(int chunk_id) { | 322 bool MemoryAllocator::IsValidChunkId(int chunk_id) { |
315 return (0 <= chunk_id) && (chunk_id < max_nof_chunks_); | 323 return (0 <= chunk_id) && (chunk_id < max_nof_chunks_); |
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484 | 492 |
485 bool FreeListNode::IsFreeListNode(HeapObject* object) { | 493 bool FreeListNode::IsFreeListNode(HeapObject* object) { |
486 return object->map() == Heap::raw_unchecked_byte_array_map() | 494 return object->map() == Heap::raw_unchecked_byte_array_map() |
487 || object->map() == Heap::raw_unchecked_one_pointer_filler_map() | 495 || object->map() == Heap::raw_unchecked_one_pointer_filler_map() |
488 || object->map() == Heap::raw_unchecked_two_pointer_filler_map(); | 496 || object->map() == Heap::raw_unchecked_two_pointer_filler_map(); |
489 } | 497 } |
490 | 498 |
491 } } // namespace v8::internal | 499 } } // namespace v8::internal |
492 | 500 |
493 #endif // V8_SPACES_INL_H_ | 501 #endif // V8_SPACES_INL_H_ |
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