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Issue 23468021: move HEAP to /test (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 3 months ago
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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 // 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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300 // 1MB aligned. Start of the body is aligned so it can accommodate 300 // 1MB aligned. Start of the body is aligned so it can accommodate
301 // any heap object. 301 // any heap object.
302 class MemoryChunk { 302 class MemoryChunk {
303 public: 303 public:
304 // Only works if the pointer is in the first kPageSize of the MemoryChunk. 304 // Only works if the pointer is in the first kPageSize of the MemoryChunk.
305 static MemoryChunk* FromAddress(Address a) { 305 static MemoryChunk* FromAddress(Address a) {
306 return reinterpret_cast<MemoryChunk*>(OffsetFrom(a) & ~kAlignmentMask); 306 return reinterpret_cast<MemoryChunk*>(OffsetFrom(a) & ~kAlignmentMask);
307 } 307 }
308 308
309 // Only works for addresses in pointer spaces, not data or code spaces. 309 // Only works for addresses in pointer spaces, not data or code spaces.
310 static inline MemoryChunk* FromAnyPointerAddress(Address addr); 310 static inline MemoryChunk* FromAnyPointerAddress(Heap* heap, Address addr);
311 311
312 Address address() { return reinterpret_cast<Address>(this); } 312 Address address() { return reinterpret_cast<Address>(this); }
313 313
314 bool is_valid() { return address() != NULL; } 314 bool is_valid() { return address() != NULL; }
315 315
316 MemoryChunk* next_chunk() const { return next_chunk_; } 316 MemoryChunk* next_chunk() const { return next_chunk_; }
317 MemoryChunk* prev_chunk() const { return prev_chunk_; } 317 MemoryChunk* prev_chunk() const { return prev_chunk_; }
318 318
319 void set_next_chunk(MemoryChunk* next) { next_chunk_ = next; } 319 void set_next_chunk(MemoryChunk* next) { next_chunk_ = next; }
320 void set_prev_chunk(MemoryChunk* prev) { prev_chunk_ = prev; } 320 void set_prev_chunk(MemoryChunk* prev) { prev_chunk_ = prev; }
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2896 } 2896 }
2897 // Must be small, since an iteration is used for lookup. 2897 // Must be small, since an iteration is used for lookup.
2898 static const int kMaxComments = 64; 2898 static const int kMaxComments = 64;
2899 }; 2899 };
2900 #endif 2900 #endif
2901 2901
2902 2902
2903 } } // namespace v8::internal 2903 } } // namespace v8::internal
2904 2904
2905 #endif // V8_SPACES_H_ 2905 #endif // V8_SPACES_H_
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