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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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| 131 if (IsOneByte(t, chars)) { | 131 if (IsOneByte(t, chars)) { |
| 132 return AllocateInternalizedStringImpl<true>(t, chars, hash_field); | 132 return AllocateInternalizedStringImpl<true>(t, chars, hash_field); |
| 133 } | 133 } |
| 134 return AllocateInternalizedStringImpl<false>(t, chars, hash_field); | 134 return AllocateInternalizedStringImpl<false>(t, chars, hash_field); |
| 135 } | 135 } |
| 136 | 136 |
| 137 | 137 |
| 138 MaybeObject* Heap::AllocateOneByteInternalizedString(Vector<const uint8_t> str, | 138 MaybeObject* Heap::AllocateOneByteInternalizedString(Vector<const uint8_t> str, |
| 139 uint32_t hash_field) { | 139 uint32_t hash_field) { |
| 140 if (str.length() > String::kMaxLength) { | 140 if (str.length() > String::kMaxLength) { |
| 141 v8::internal::Heap::FatalProcessOutOfMemory("invalid string length", true); | 141 return Failure::OutOfMemoryException(0x2); |
| 142 } | 142 } |
| 143 // Compute map and object size. | 143 // Compute map and object size. |
| 144 Map* map = ascii_internalized_string_map(); | 144 Map* map = ascii_internalized_string_map(); |
| 145 int size = SeqOneByteString::SizeFor(str.length()); | 145 int size = SeqOneByteString::SizeFor(str.length()); |
| 146 AllocationSpace space = SelectSpace(size, OLD_DATA_SPACE, TENURED); | 146 AllocationSpace space = SelectSpace(size, OLD_DATA_SPACE, TENURED); |
| 147 | 147 |
| 148 // Allocate string. | 148 // Allocate string. |
| 149 Object* result; | 149 Object* result; |
| 150 { MaybeObject* maybe_result = AllocateRaw(size, space, OLD_DATA_SPACE); | 150 { MaybeObject* maybe_result = AllocateRaw(size, space, OLD_DATA_SPACE); |
| 151 if (!maybe_result->ToObject(&result)) return maybe_result; | 151 if (!maybe_result->ToObject(&result)) return maybe_result; |
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| 164 OS::MemCopy(answer->address() + SeqOneByteString::kHeaderSize, | 164 OS::MemCopy(answer->address() + SeqOneByteString::kHeaderSize, |
| 165 str.start(), str.length()); | 165 str.start(), str.length()); |
| 166 | 166 |
| 167 return answer; | 167 return answer; |
| 168 } | 168 } |
| 169 | 169 |
| 170 | 170 |
| 171 MaybeObject* Heap::AllocateTwoByteInternalizedString(Vector<const uc16> str, | 171 MaybeObject* Heap::AllocateTwoByteInternalizedString(Vector<const uc16> str, |
| 172 uint32_t hash_field) { | 172 uint32_t hash_field) { |
| 173 if (str.length() > String::kMaxLength) { | 173 if (str.length() > String::kMaxLength) { |
| 174 v8::internal::Heap::FatalProcessOutOfMemory("invalid string length", true); | 174 return Failure::OutOfMemoryException(0x3); |
| 175 } | 175 } |
| 176 // Compute map and object size. | 176 // Compute map and object size. |
| 177 Map* map = internalized_string_map(); | 177 Map* map = internalized_string_map(); |
| 178 int size = SeqTwoByteString::SizeFor(str.length()); | 178 int size = SeqTwoByteString::SizeFor(str.length()); |
| 179 AllocationSpace space = SelectSpace(size, OLD_DATA_SPACE, TENURED); | 179 AllocationSpace space = SelectSpace(size, OLD_DATA_SPACE, TENURED); |
| 180 | 180 |
| 181 // Allocate string. | 181 // Allocate string. |
| 182 Object* result; | 182 Object* result; |
| 183 { MaybeObject* maybe_result = AllocateRaw(size, space, OLD_DATA_SPACE); | 183 { MaybeObject* maybe_result = AllocateRaw(size, space, OLD_DATA_SPACE); |
| 184 if (!maybe_result->ToObject(&result)) return maybe_result; | 184 if (!maybe_result->ToObject(&result)) return maybe_result; |
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| 634 #define GC_GREEDY_CHECK(ISOLATE) { } | 634 #define GC_GREEDY_CHECK(ISOLATE) { } |
| 635 #endif | 635 #endif |
| 636 | 636 |
| 637 // Calls the FUNCTION_CALL function and retries it up to three times | 637 // Calls the FUNCTION_CALL function and retries it up to three times |
| 638 // to guarantee that any allocations performed during the call will | 638 // to guarantee that any allocations performed during the call will |
| 639 // succeed if there's enough memory. | 639 // succeed if there's enough memory. |
| 640 | 640 |
| 641 // Warning: Do not use the identifiers __object__, __maybe_object__ or | 641 // Warning: Do not use the identifiers __object__, __maybe_object__ or |
| 642 // __scope__ in a call to this macro. | 642 // __scope__ in a call to this macro. |
| 643 | 643 |
| 644 #define CALL_AND_RETRY(ISOLATE, FUNCTION_CALL, RETURN_VALUE, RETURN_EMPTY) \ | 644 #define CALL_AND_RETRY(ISOLATE, FUNCTION_CALL, RETURN_VALUE, RETURN_EMPTY, OOM)\ |
| 645 do { \ | 645 do { \ |
| 646 GC_GREEDY_CHECK(ISOLATE); \ | 646 GC_GREEDY_CHECK(ISOLATE); \ |
| 647 MaybeObject* __maybe_object__ = FUNCTION_CALL; \ | 647 MaybeObject* __maybe_object__ = FUNCTION_CALL; \ |
| 648 Object* __object__ = NULL; \ | 648 Object* __object__ = NULL; \ |
| 649 if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE; \ | 649 if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE; \ |
| 650 if (__maybe_object__->IsOutOfMemory()) { \ |
| 651 OOM; \ |
| 652 } \ |
| 650 if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY; \ | 653 if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY; \ |
| 651 (ISOLATE)->heap()->CollectGarbage(Failure::cast(__maybe_object__)-> \ | 654 (ISOLATE)->heap()->CollectGarbage(Failure::cast(__maybe_object__)-> \ |
| 652 allocation_space(), \ | 655 allocation_space(), \ |
| 653 "allocation failure"); \ | 656 "allocation failure"); \ |
| 654 __maybe_object__ = FUNCTION_CALL; \ | 657 __maybe_object__ = FUNCTION_CALL; \ |
| 655 if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE; \ | 658 if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE; \ |
| 659 if (__maybe_object__->IsOutOfMemory()) { \ |
| 660 OOM; \ |
| 661 } \ |
| 656 if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY; \ | 662 if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY; \ |
| 657 (ISOLATE)->counters()->gc_last_resort_from_handles()->Increment(); \ | 663 (ISOLATE)->counters()->gc_last_resort_from_handles()->Increment(); \ |
| 658 (ISOLATE)->heap()->CollectAllAvailableGarbage("last resort gc"); \ | 664 (ISOLATE)->heap()->CollectAllAvailableGarbage("last resort gc"); \ |
| 659 { \ | 665 { \ |
| 660 AlwaysAllocateScope __scope__(ISOLATE); \ | 666 AlwaysAllocateScope __scope__(ISOLATE); \ |
| 661 __maybe_object__ = FUNCTION_CALL; \ | 667 __maybe_object__ = FUNCTION_CALL; \ |
| 662 } \ | 668 } \ |
| 663 if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE; \ | 669 if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE; \ |
| 670 if (__maybe_object__->IsOutOfMemory()) { \ |
| 671 OOM; \ |
| 672 } \ |
| 664 if (__maybe_object__->IsRetryAfterGC()) { \ | 673 if (__maybe_object__->IsRetryAfterGC()) { \ |
| 665 /* TODO(1181417): Fix this. */ \ | 674 /* TODO(1181417): Fix this. */ \ |
| 666 v8::internal::Heap::FatalProcessOutOfMemory("CALL_AND_RETRY_LAST", true);\ | 675 v8::internal::Heap::FatalProcessOutOfMemory("CALL_AND_RETRY_LAST", true);\ |
| 667 } \ | 676 } \ |
| 668 RETURN_EMPTY; \ | 677 RETURN_EMPTY; \ |
| 669 } while (false) | 678 } while (false) |
| 670 | 679 |
| 671 #define CALL_AND_RETRY_OR_DIE( \ | 680 #define CALL_AND_RETRY_OR_DIE( \ |
| 672 ISOLATE, FUNCTION_CALL, RETURN_VALUE, RETURN_EMPTY) \ | 681 ISOLATE, FUNCTION_CALL, RETURN_VALUE, RETURN_EMPTY) \ |
| 673 CALL_AND_RETRY( \ | 682 CALL_AND_RETRY( \ |
| 674 ISOLATE, \ | 683 ISOLATE, \ |
| 675 FUNCTION_CALL, \ | 684 FUNCTION_CALL, \ |
| 676 RETURN_VALUE, \ | 685 RETURN_VALUE, \ |
| 677 RETURN_EMPTY) | 686 RETURN_EMPTY, \ |
| 687 v8::internal::Heap::FatalProcessOutOfMemory("CALL_AND_RETRY", true)) |
| 678 | 688 |
| 679 #define CALL_HEAP_FUNCTION(ISOLATE, FUNCTION_CALL, TYPE) \ | 689 #define CALL_HEAP_FUNCTION(ISOLATE, FUNCTION_CALL, TYPE) \ |
| 680 CALL_AND_RETRY_OR_DIE(ISOLATE, \ | 690 CALL_AND_RETRY_OR_DIE(ISOLATE, \ |
| 681 FUNCTION_CALL, \ | 691 FUNCTION_CALL, \ |
| 682 return Handle<TYPE>(TYPE::cast(__object__), ISOLATE), \ | 692 return Handle<TYPE>(TYPE::cast(__object__), ISOLATE), \ |
| 683 return Handle<TYPE>()) \ | 693 return Handle<TYPE>()) \ |
| 684 | 694 |
| 685 | 695 |
| 686 #define CALL_HEAP_FUNCTION_VOID(ISOLATE, FUNCTION_CALL) \ | 696 #define CALL_HEAP_FUNCTION_VOID(ISOLATE, FUNCTION_CALL) \ |
| 687 CALL_AND_RETRY_OR_DIE(ISOLATE, FUNCTION_CALL, return, return) | 697 CALL_AND_RETRY_OR_DIE(ISOLATE, FUNCTION_CALL, return, return) |
| 688 | 698 |
| 689 | 699 |
| 690 #define CALL_HEAP_FUNCTION_PASS_EXCEPTION(ISOLATE, FUNCTION_CALL) \ | 700 #define CALL_HEAP_FUNCTION_PASS_EXCEPTION(ISOLATE, FUNCTION_CALL) \ |
| 691 CALL_AND_RETRY(ISOLATE, \ | 701 CALL_AND_RETRY(ISOLATE, \ |
| 692 FUNCTION_CALL, \ | 702 FUNCTION_CALL, \ |
| 693 return __object__, \ | 703 return __object__, \ |
| 704 return __maybe_object__, \ |
| 694 return __maybe_object__) | 705 return __maybe_object__) |
| 695 | 706 |
| 696 | 707 |
| 697 void ExternalStringTable::AddString(String* string) { | 708 void ExternalStringTable::AddString(String* string) { |
| 698 ASSERT(string->IsExternalString()); | 709 ASSERT(string->IsExternalString()); |
| 699 if (heap_->InNewSpace(string)) { | 710 if (heap_->InNewSpace(string)) { |
| 700 new_space_strings_.Add(string); | 711 new_space_strings_.Add(string); |
| 701 } else { | 712 } else { |
| 702 old_space_strings_.Add(string); | 713 old_space_strings_.Add(string); |
| 703 } | 714 } |
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| 832 | 843 |
| 833 | 844 |
| 834 double GCTracer::SizeOfHeapObjects() { | 845 double GCTracer::SizeOfHeapObjects() { |
| 835 return (static_cast<double>(heap_->SizeOfObjects())) / MB; | 846 return (static_cast<double>(heap_->SizeOfObjects())) / MB; |
| 836 } | 847 } |
| 837 | 848 |
| 838 | 849 |
| 839 } } // namespace v8::internal | 850 } } // namespace v8::internal |
| 840 | 851 |
| 841 #endif // V8_HEAP_INL_H_ | 852 #endif // V8_HEAP_INL_H_ |
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