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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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620 return amount_of_external_allocated_memory_; | 620 return amount_of_external_allocated_memory_; |
621 } | 621 } |
622 | 622 |
623 | 623 |
624 Isolate* Heap::isolate() { | 624 Isolate* Heap::isolate() { |
625 return reinterpret_cast<Isolate*>(reinterpret_cast<intptr_t>(this) - | 625 return reinterpret_cast<Isolate*>(reinterpret_cast<intptr_t>(this) - |
626 reinterpret_cast<size_t>(reinterpret_cast<Isolate*>(4)->heap()) + 4); | 626 reinterpret_cast<size_t>(reinterpret_cast<Isolate*>(4)->heap()) + 4); |
627 } | 627 } |
628 | 628 |
629 | 629 |
630 #ifdef DEBUG | |
631 #define GC_GREEDY_CHECK(ISOLATE) \ | |
632 if (FLAG_gc_greedy) (ISOLATE)->heap()->GarbageCollectionGreedyCheck() | |
633 #else | |
634 #define GC_GREEDY_CHECK(ISOLATE) { } | |
635 #endif | |
636 | |
637 // Calls the FUNCTION_CALL function and retries it up to three times | 630 // Calls the FUNCTION_CALL function and retries it up to three times |
638 // to guarantee that any allocations performed during the call will | 631 // to guarantee that any allocations performed during the call will |
639 // succeed if there's enough memory. | 632 // succeed if there's enough memory. |
640 | 633 |
641 // Warning: Do not use the identifiers __object__, __maybe_object__ or | 634 // Warning: Do not use the identifiers __object__, __maybe_object__ or |
642 // __scope__ in a call to this macro. | 635 // __scope__ in a call to this macro. |
643 | 636 |
644 #define CALL_AND_RETRY(ISOLATE, FUNCTION_CALL, RETURN_VALUE, RETURN_EMPTY) \ | 637 #define CALL_AND_RETRY(ISOLATE, FUNCTION_CALL, RETURN_VALUE, RETURN_EMPTY) \ |
645 do { \ | 638 do { \ |
646 GC_GREEDY_CHECK(ISOLATE); \ | |
647 MaybeObject* __maybe_object__ = FUNCTION_CALL; \ | 639 MaybeObject* __maybe_object__ = FUNCTION_CALL; \ |
648 Object* __object__ = NULL; \ | 640 Object* __object__ = NULL; \ |
649 if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE; \ | 641 if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE; \ |
650 if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY; \ | 642 if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY; \ |
651 (ISOLATE)->heap()->CollectGarbage(Failure::cast(__maybe_object__)-> \ | 643 (ISOLATE)->heap()->CollectGarbage(Failure::cast(__maybe_object__)-> \ |
652 allocation_space(), \ | 644 allocation_space(), \ |
653 "allocation failure"); \ | 645 "allocation failure"); \ |
654 __maybe_object__ = FUNCTION_CALL; \ | 646 __maybe_object__ = FUNCTION_CALL; \ |
655 if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE; \ | 647 if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE; \ |
656 if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY; \ | 648 if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY; \ |
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825 | 817 |
826 | 818 |
827 double GCTracer::SizeOfHeapObjects() { | 819 double GCTracer::SizeOfHeapObjects() { |
828 return (static_cast<double>(heap_->SizeOfObjects())) / MB; | 820 return (static_cast<double>(heap_->SizeOfObjects())) / MB; |
829 } | 821 } |
830 | 822 |
831 | 823 |
832 } } // namespace v8::internal | 824 } } // namespace v8::internal |
833 | 825 |
834 #endif // V8_HEAP_INL_H_ | 826 #endif // V8_HEAP_INL_H_ |
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