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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_OBJECTS_VISITING_INL_H_ | 5 #ifndef V8_OBJECTS_VISITING_INL_H_ |
6 #define V8_OBJECTS_VISITING_INL_H_ | 6 #define V8_OBJECTS_VISITING_INL_H_ |
7 | 7 |
8 #include "src/heap/array-buffer-tracker.h" | 8 #include "src/heap/array-buffer-tracker.h" |
9 #include "src/heap/objects-visiting.h" | 9 #include "src/heap/objects-visiting.h" |
10 #include "src/ic/ic-state.h" | 10 #include "src/ic/ic-state.h" |
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563 } | 563 } |
564 | 564 |
565 | 565 |
566 template <typename StaticVisitor> | 566 template <typename StaticVisitor> |
567 bool StaticMarkingVisitor<StaticVisitor>::IsFlushable(Heap* heap, | 567 bool StaticMarkingVisitor<StaticVisitor>::IsFlushable(Heap* heap, |
568 JSFunction* function) { | 568 JSFunction* function) { |
569 SharedFunctionInfo* shared_info = function->shared(); | 569 SharedFunctionInfo* shared_info = function->shared(); |
570 | 570 |
571 // Code is either on stack, in compilation cache or referenced | 571 // Code is either on stack, in compilation cache or referenced |
572 // by optimized version of function. | 572 // by optimized version of function. |
573 MarkBit code_mark = Marking::MarkBitFrom(function->code()); | 573 MarkBit code_mark = ObjectMarking::MarkBitFrom(function->code()); |
574 if (Marking::IsBlackOrGrey(code_mark)) { | 574 if (Marking::IsBlackOrGrey(code_mark)) { |
575 return false; | 575 return false; |
576 } | 576 } |
577 | 577 |
578 // We do not (yet) flush code for optimized functions. | 578 // We do not (yet) flush code for optimized functions. |
579 if (function->code() != shared_info->code()) { | 579 if (function->code() != shared_info->code()) { |
580 return false; | 580 return false; |
581 } | 581 } |
582 | 582 |
583 // Check age of optimized code. | 583 // Check age of optimized code. |
584 if (FLAG_age_code && !function->code()->IsOld()) { | 584 if (FLAG_age_code && !function->code()->IsOld()) { |
585 return false; | 585 return false; |
586 } | 586 } |
587 | 587 |
588 return IsFlushable(heap, shared_info); | 588 return IsFlushable(heap, shared_info); |
589 } | 589 } |
590 | 590 |
591 | 591 |
592 template <typename StaticVisitor> | 592 template <typename StaticVisitor> |
593 bool StaticMarkingVisitor<StaticVisitor>::IsFlushable( | 593 bool StaticMarkingVisitor<StaticVisitor>::IsFlushable( |
594 Heap* heap, SharedFunctionInfo* shared_info) { | 594 Heap* heap, SharedFunctionInfo* shared_info) { |
595 // Code is either on stack, in compilation cache or referenced | 595 // Code is either on stack, in compilation cache or referenced |
596 // by optimized version of function. | 596 // by optimized version of function. |
597 MarkBit code_mark = Marking::MarkBitFrom(shared_info->code()); | 597 MarkBit code_mark = ObjectMarking::MarkBitFrom(shared_info->code()); |
598 if (Marking::IsBlackOrGrey(code_mark)) { | 598 if (Marking::IsBlackOrGrey(code_mark)) { |
599 return false; | 599 return false; |
600 } | 600 } |
601 | 601 |
602 // The function must be compiled and have the source code available, | 602 // The function must be compiled and have the source code available, |
603 // to be able to recompile it in case we need the function again. | 603 // to be able to recompile it in case we need the function again. |
604 if (!(shared_info->is_compiled() && HasSourceCode(heap, shared_info))) { | 604 if (!(shared_info->is_compiled() && HasSourceCode(heap, shared_info))) { |
605 return false; | 605 return false; |
606 } | 606 } |
607 | 607 |
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705 typedef FlexibleBodyVisitor<StaticVisitor, JSFunction::BodyDescriptorWeakCode, | 705 typedef FlexibleBodyVisitor<StaticVisitor, JSFunction::BodyDescriptorWeakCode, |
706 void> JSFunctionWeakCodeBodyVisitor; | 706 void> JSFunctionWeakCodeBodyVisitor; |
707 JSFunctionWeakCodeBodyVisitor::Visit(map, object); | 707 JSFunctionWeakCodeBodyVisitor::Visit(map, object); |
708 } | 708 } |
709 | 709 |
710 | 710 |
711 } // namespace internal | 711 } // namespace internal |
712 } // namespace v8 | 712 } // namespace v8 |
713 | 713 |
714 #endif // V8_OBJECTS_VISITING_INL_H_ | 714 #endif // V8_OBJECTS_VISITING_INL_H_ |
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