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Issue 145773008: A64: Synchronize with r17104. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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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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518 518
519 // If the first word is a forwarding address, the object has already been 519 // If the first word is a forwarding address, the object has already been
520 // copied. 520 // copied.
521 if (first_word.IsForwardingAddress()) { 521 if (first_word.IsForwardingAddress()) {
522 HeapObject* dest = first_word.ToForwardingAddress(); 522 HeapObject* dest = first_word.ToForwardingAddress();
523 ASSERT(object->GetIsolate()->heap()->InFromSpace(*p)); 523 ASSERT(object->GetIsolate()->heap()->InFromSpace(*p));
524 *p = dest; 524 *p = dest;
525 return; 525 return;
526 } 526 }
527 527
528 if (FLAG_trace_track_allocation_sites && object->IsJSObject()) {
529 if (AllocationMemento::FindForJSObject(JSObject::cast(object), true) !=
530 NULL) {
531 object->GetIsolate()->heap()->allocation_mementos_found_++;
532 }
533 }
534
528 // AllocationMementos are unrooted and shouldn't survive a scavenge 535 // AllocationMementos are unrooted and shouldn't survive a scavenge
529 ASSERT(object->map() != object->GetHeap()->allocation_memento_map()); 536 ASSERT(object->map() != object->GetHeap()->allocation_memento_map());
530 // Call the slow part of scavenge object. 537 // Call the slow part of scavenge object.
531 return ScavengeObjectSlow(p, object); 538 return ScavengeObjectSlow(p, object);
532 } 539 }
533 540
534 541
535 bool Heap::CollectGarbage(AllocationSpace space, const char* gc_reason) { 542 bool Heap::CollectGarbage(AllocationSpace space, const char* gc_reason) {
536 const char* collector_reason = NULL; 543 const char* collector_reason = NULL;
537 GarbageCollector collector = SelectGarbageCollector(space, &collector_reason); 544 GarbageCollector collector = SelectGarbageCollector(space, &collector_reason);
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832 839
833 840
834 AlwaysAllocateScope::~AlwaysAllocateScope() { 841 AlwaysAllocateScope::~AlwaysAllocateScope() {
835 Isolate* isolate = Isolate::Current(); 842 Isolate* isolate = Isolate::Current();
836 isolate->heap()->always_allocate_scope_depth_--; 843 isolate->heap()->always_allocate_scope_depth_--;
837 ASSERT(isolate->heap()->always_allocate_scope_depth_ == 0); 844 ASSERT(isolate->heap()->always_allocate_scope_depth_ == 0);
838 } 845 }
839 846
840 847
841 #ifdef VERIFY_HEAP 848 #ifdef VERIFY_HEAP
842 NoWeakEmbeddedMapsVerificationScope::NoWeakEmbeddedMapsVerificationScope() { 849 NoWeakObjectVerificationScope::NoWeakObjectVerificationScope() {
843 Isolate* isolate = Isolate::Current(); 850 Isolate* isolate = Isolate::Current();
844 isolate->heap()->no_weak_embedded_maps_verification_scope_depth_++; 851 isolate->heap()->no_weak_object_verification_scope_depth_++;
845 } 852 }
846 853
847 854
848 NoWeakEmbeddedMapsVerificationScope::~NoWeakEmbeddedMapsVerificationScope() { 855 NoWeakObjectVerificationScope::~NoWeakObjectVerificationScope() {
849 Isolate* isolate = Isolate::Current(); 856 Isolate* isolate = Isolate::Current();
850 isolate->heap()->no_weak_embedded_maps_verification_scope_depth_--; 857 isolate->heap()->no_weak_object_verification_scope_depth_--;
851 } 858 }
852 #endif 859 #endif
853 860
854 861
855 void VerifyPointersVisitor::VisitPointers(Object** start, Object** end) { 862 void VerifyPointersVisitor::VisitPointers(Object** start, Object** end) {
856 for (Object** current = start; current < end; current++) { 863 for (Object** current = start; current < end; current++) {
857 if ((*current)->IsHeapObject()) { 864 if ((*current)->IsHeapObject()) {
858 HeapObject* object = HeapObject::cast(*current); 865 HeapObject* object = HeapObject::cast(*current);
859 CHECK(object->GetIsolate()->heap()->Contains(object)); 866 CHECK(object->GetIsolate()->heap()->Contains(object));
860 CHECK(object->map()->IsMap()); 867 CHECK(object->map()->IsMap());
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881 #ifdef DEBUG 888 #ifdef DEBUG
882 Isolate* isolate = Isolate::Current(); 889 Isolate* isolate = Isolate::Current();
883 isolate->heap()->disallow_allocation_failure_ = old_state_; 890 isolate->heap()->disallow_allocation_failure_ = old_state_;
884 #endif 891 #endif
885 } 892 }
886 893
887 894
888 } } // namespace v8::internal 895 } } // namespace v8::internal
889 896
890 #endif // V8_HEAP_INL_H_ 897 #endif // V8_HEAP_INL_H_
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