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Side by Side Diff: src/heap-inl.h

Issue 5985012: Rename write buffers to store buffers. (Closed) Base URL: http://v8.googlecode.com/svn/branches/experimental/gc/
Patch Set: Created 9 years, 11 months ago
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1 // Copyright 2006-2010 the V8 project authors. All rights reserved. 1 // Copyright 2006-2010 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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24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 27
28 #ifndef V8_HEAP_INL_H_ 28 #ifndef V8_HEAP_INL_H_
29 #define V8_HEAP_INL_H_ 29 #define V8_HEAP_INL_H_
30 30
31 #include "heap.h" 31 #include "heap.h"
32 #include "objects.h" 32 #include "objects.h"
33 #include "v8-counters.h" 33 #include "v8-counters.h"
34 #include "write-buffer.h" 34 #include "store-buffer.h"
35 #include "write-buffer-inl.h" 35 #include "store-buffer-inl.h"
36 36
37 namespace v8 { 37 namespace v8 {
38 namespace internal { 38 namespace internal {
39 39
40 int Heap::MaxObjectSizeInPagedSpace() { 40 int Heap::MaxObjectSizeInPagedSpace() {
41 return Page::kMaxHeapObjectSize; 41 return Page::kMaxHeapObjectSize;
42 } 42 }
43 43
44 44
45 MaybeObject* Heap::AllocateStringFromUtf8(Vector<const char> str, 45 MaybeObject* Heap::AllocateStringFromUtf8(Vector<const char> str,
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265 bool Heap::ShouldBePromoted(Address old_address, int object_size) { 265 bool Heap::ShouldBePromoted(Address old_address, int object_size) {
266 // An object should be promoted if: 266 // An object should be promoted if:
267 // - the object has survived a scavenge operation or 267 // - the object has survived a scavenge operation or
268 // - to space is already 25% full. 268 // - to space is already 25% full.
269 return old_address < new_space_.age_mark() 269 return old_address < new_space_.age_mark()
270 || (new_space_.Size() + object_size) >= (new_space_.Capacity() >> 2); 270 || (new_space_.Size() + object_size) >= (new_space_.Capacity() >> 2);
271 } 271 }
272 272
273 273
274 void Heap::RecordWrite(Address address, int offset) { 274 void Heap::RecordWrite(Address address, int offset) {
275 WriteBuffer::Mark(address + offset); 275 StoreBuffer::Mark(address + offset);
276 } 276 }
277 277
278 278
279 void Heap::RecordWrites(Address address, int start, int len) { 279 void Heap::RecordWrites(Address address, int start, int len) {
280 for (int i = 0; i < len; i++) { 280 for (int i = 0; i < len; i++) {
281 WriteBuffer::Mark(address + start + i); 281 StoreBuffer::Mark(address + start + i);
282 } 282 }
283 } 283 }
284 284
285 285
286 OldSpace* Heap::TargetSpace(HeapObject* object) { 286 OldSpace* Heap::TargetSpace(HeapObject* object) {
287 InstanceType type = object->map()->instance_type(); 287 InstanceType type = object->map()->instance_type();
288 AllocationSpace space = TargetSpaceId(type); 288 AllocationSpace space = TargetSpaceId(type);
289 return (space == OLD_POINTER_SPACE) 289 return (space == OLD_POINTER_SPACE)
290 ? old_pointer_space_ 290 ? old_pointer_space_
291 : old_data_space_; 291 : old_data_space_;
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587 587
588 588
589 void ExternalStringTable::ShrinkNewStrings(int position) { 589 void ExternalStringTable::ShrinkNewStrings(int position) {
590 new_space_strings_.Rewind(position); 590 new_space_strings_.Rewind(position);
591 Verify(); 591 Verify();
592 } 592 }
593 593
594 } } // namespace v8::internal 594 } } // namespace v8::internal
595 595
596 #endif // V8_HEAP_INL_H_ 596 #endif // V8_HEAP_INL_H_
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