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Issue 23039014: Hook-allocation on bleeding edge (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 4 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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359 void ReadChunk( 359 void ReadChunk(
360 Object** start, Object** end, int space, Address object_address); 360 Object** start, Object** end, int space, Address object_address);
361 void ReadObject(int space_number, Object** write_back); 361 void ReadObject(int space_number, Object** write_back);
362 362
363 // This routine both allocates a new object, and also keeps 363 // This routine both allocates a new object, and also keeps
364 // track of where objects have been allocated so that we can 364 // track of where objects have been allocated so that we can
365 // fix back references when deserializing. 365 // fix back references when deserializing.
366 Address Allocate(int space_index, int size) { 366 Address Allocate(int space_index, int size) {
367 Address address = high_water_[space_index]; 367 Address address = high_water_[space_index];
368 high_water_[space_index] = address + size; 368 high_water_[space_index] = address + size;
369 isolate_->heap_profiler()->RecordObjectAllocation(address, size);
369 return address; 370 return address;
370 } 371 }
371 372
372 // This returns the address of an object that has been described in the 373 // This returns the address of an object that has been described in the
373 // snapshot as being offset bytes back in a particular space. 374 // snapshot as being offset bytes back in a particular space.
374 HeapObject* GetAddressFromEnd(int space) { 375 HeapObject* GetAddressFromEnd(int space) {
375 int offset = source_->GetInt(); 376 int offset = source_->GetInt();
376 offset <<= kObjectAlignmentBits; 377 offset <<= kObjectAlignmentBits;
377 return HeapObject::FromAddress(high_water_[space] - offset); 378 return HeapObject::FromAddress(high_water_[space] - offset);
378 } 379 }
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655 private: 656 private:
656 virtual bool ShouldBeInThePartialSnapshotCache(HeapObject* o) { 657 virtual bool ShouldBeInThePartialSnapshotCache(HeapObject* o) {
657 return false; 658 return false;
658 } 659 }
659 }; 660 };
660 661
661 662
662 } } // namespace v8::internal 663 } } // namespace v8::internal
663 664
664 #endif // V8_SERIALIZE_H_ 665 #endif // V8_SERIALIZE_H_
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