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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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180 | 180 |
181 | 181 |
182 void Heap::RecordWrite(Address address, int offset) { | 182 void Heap::RecordWrite(Address address, int offset) { |
183 if (new_space_.Contains(address)) return; | 183 if (new_space_.Contains(address)) return; |
184 ASSERT(!new_space_.FromSpaceContains(address)); | 184 ASSERT(!new_space_.FromSpaceContains(address)); |
185 SLOW_ASSERT(Contains(address + offset)); | 185 SLOW_ASSERT(Contains(address + offset)); |
186 Page::SetRSet(address, offset); | 186 Page::SetRSet(address, offset); |
187 } | 187 } |
188 | 188 |
189 | 189 |
| 190 void Heap::RecordWrites(Address address, int start, int len) { |
| 191 if (new_space_.Contains(address)) return; |
| 192 ASSERT(!new_space_.FromSpaceContains(address)); |
| 193 for (int offset = start; |
| 194 offset < start + len * kPointerSize; |
| 195 offset += kPointerSize) { |
| 196 SLOW_ASSERT(Contains(address + offset)); |
| 197 Page::SetRSet(address, offset); |
| 198 } |
| 199 } |
| 200 |
| 201 |
190 OldSpace* Heap::TargetSpace(HeapObject* object) { | 202 OldSpace* Heap::TargetSpace(HeapObject* object) { |
191 InstanceType type = object->map()->instance_type(); | 203 InstanceType type = object->map()->instance_type(); |
192 AllocationSpace space = TargetSpaceId(type); | 204 AllocationSpace space = TargetSpaceId(type); |
193 return (space == OLD_POINTER_SPACE) | 205 return (space == OLD_POINTER_SPACE) |
194 ? old_pointer_space_ | 206 ? old_pointer_space_ |
195 : old_data_space_; | 207 : old_data_space_; |
196 } | 208 } |
197 | 209 |
198 | 210 |
199 AllocationSpace Heap::TargetSpaceId(InstanceType type) { | 211 AllocationSpace Heap::TargetSpaceId(InstanceType type) { |
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402 | 414 |
403 | 415 |
404 void ExternalStringTable::ShrinkNewStrings(int position) { | 416 void ExternalStringTable::ShrinkNewStrings(int position) { |
405 new_space_strings_.Rewind(position); | 417 new_space_strings_.Rewind(position); |
406 Verify(); | 418 Verify(); |
407 } | 419 } |
408 | 420 |
409 } } // namespace v8::internal | 421 } } // namespace v8::internal |
410 | 422 |
411 #endif // V8_HEAP_INL_H_ | 423 #endif // V8_HEAP_INL_H_ |
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