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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 #include "src/objects.h" | 5 #include "src/objects.h" |
6 | 6 |
7 #include <iomanip> | 7 #include <iomanip> |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "src/disasm.h" | 10 #include "src/disasm.h" |
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679 template <typename Derived> | 679 template <typename Derived> |
680 void FeedbackVectorSpecBase<Derived>::FeedbackVectorSpecPrint( | 680 void FeedbackVectorSpecBase<Derived>::FeedbackVectorSpecPrint( |
681 std::ostream& os) { // NOLINT | 681 std::ostream& os) { // NOLINT |
682 int slot_count = This()->slots(); | 682 int slot_count = This()->slots(); |
683 os << " - slot_count: " << slot_count; | 683 os << " - slot_count: " << slot_count; |
684 if (slot_count == 0) { | 684 if (slot_count == 0) { |
685 os << " (empty)\n"; | 685 os << " (empty)\n"; |
686 return; | 686 return; |
687 } | 687 } |
688 | 688 |
689 for (int slot = 0, name_index = 0; slot < slot_count;) { | 689 for (int slot = 0; slot < slot_count;) { |
690 FeedbackVectorSlotKind kind = This()->GetKind(slot); | 690 FeedbackVectorSlotKind kind = This()->GetKind(slot); |
691 int entry_size = TypeFeedbackMetadata::GetSlotSize(kind); | 691 int entry_size = TypeFeedbackMetadata::GetSlotSize(kind); |
692 DCHECK_LT(0, entry_size); | 692 DCHECK_LT(0, entry_size); |
693 | |
694 os << "\n Slot #" << slot << " " << kind; | 693 os << "\n Slot #" << slot << " " << kind; |
695 if (TypeFeedbackMetadata::SlotRequiresName(kind)) { | |
696 os << ", " << Brief(*This()->GetName(name_index++)); | |
697 } | |
698 | |
699 slot += entry_size; | 694 slot += entry_size; |
700 } | 695 } |
701 os << "\n"; | 696 os << "\n"; |
702 } | 697 } |
703 | 698 |
704 void TypeFeedbackMetadata::Print() { | 699 void TypeFeedbackMetadata::Print() { |
705 OFStream os(stdout); | 700 OFStream os(stdout); |
706 TypeFeedbackMetadataPrint(os); | 701 TypeFeedbackMetadataPrint(os); |
707 os << std::flush; | 702 os << std::flush; |
708 } | 703 } |
709 | 704 |
710 | 705 |
711 void TypeFeedbackMetadata::TypeFeedbackMetadataPrint( | 706 void TypeFeedbackMetadata::TypeFeedbackMetadataPrint( |
712 std::ostream& os) { // NOLINT | 707 std::ostream& os) { // NOLINT |
713 HeapObject::PrintHeader(os, "TypeFeedbackMetadata"); | 708 HeapObject::PrintHeader(os, "TypeFeedbackMetadata"); |
714 os << "\n - length: " << length(); | 709 os << "\n - length: " << length(); |
715 if (length() == 0) { | 710 if (length() == 0) { |
716 os << " (empty)\n"; | 711 os << " (empty)\n"; |
717 return; | 712 return; |
718 } | 713 } |
719 os << "\n - slot_count: " << slot_count(); | 714 os << "\n - slot_count: " << slot_count(); |
720 | 715 |
721 TypeFeedbackMetadataIterator iter(this); | 716 TypeFeedbackMetadataIterator iter(this); |
722 while (iter.HasNext()) { | 717 while (iter.HasNext()) { |
723 FeedbackVectorSlot slot = iter.Next(); | 718 FeedbackVectorSlot slot = iter.Next(); |
724 FeedbackVectorSlotKind kind = iter.kind(); | 719 FeedbackVectorSlotKind kind = iter.kind(); |
725 os << "\n Slot " << slot << " " << kind; | 720 os << "\n Slot " << slot << " " << kind; |
726 if (TypeFeedbackMetadata::SlotRequiresName(kind)) { | |
727 os << ", " << Brief(iter.name()); | |
728 } | |
729 } | 721 } |
730 os << "\n"; | 722 os << "\n"; |
731 } | 723 } |
732 | 724 |
733 | 725 |
734 void TypeFeedbackVector::Print() { | 726 void TypeFeedbackVector::Print() { |
735 OFStream os(stdout); | 727 OFStream os(stdout); |
736 TypeFeedbackVectorPrint(os); | 728 TypeFeedbackVectorPrint(os); |
737 os << std::flush; | 729 os << std::flush; |
738 } | 730 } |
739 | 731 |
740 | 732 |
741 void TypeFeedbackVector::TypeFeedbackVectorPrint(std::ostream& os) { // NOLINT | 733 void TypeFeedbackVector::TypeFeedbackVectorPrint(std::ostream& os) { // NOLINT |
742 HeapObject::PrintHeader(os, "TypeFeedbackVector"); | 734 HeapObject::PrintHeader(os, "TypeFeedbackVector"); |
743 os << "\n - length: " << length(); | 735 os << "\n - length: " << length(); |
744 if (length() == 0) { | 736 if (length() == 0) { |
745 os << " (empty)\n"; | 737 os << " (empty)\n"; |
746 return; | 738 return; |
747 } | 739 } |
748 | 740 |
749 TypeFeedbackMetadataIterator iter(metadata()); | 741 TypeFeedbackMetadataIterator iter(metadata()); |
750 while (iter.HasNext()) { | 742 while (iter.HasNext()) { |
751 FeedbackVectorSlot slot = iter.Next(); | 743 FeedbackVectorSlot slot = iter.Next(); |
752 FeedbackVectorSlotKind kind = iter.kind(); | 744 FeedbackVectorSlotKind kind = iter.kind(); |
753 | 745 |
754 os << "\n Slot " << slot << " " << kind; | 746 os << "\n Slot " << slot << " " << kind; |
755 if (TypeFeedbackMetadata::SlotRequiresName(kind)) { | |
756 os << ", " << Brief(iter.name()); | |
757 } | |
758 os << " "; | 747 os << " "; |
759 switch (kind) { | 748 switch (kind) { |
760 case FeedbackVectorSlotKind::LOAD_IC: { | 749 case FeedbackVectorSlotKind::LOAD_IC: { |
761 LoadICNexus nexus(this, slot); | 750 LoadICNexus nexus(this, slot); |
762 os << Code::ICState2String(nexus.StateFromFeedback()); | 751 os << Code::ICState2String(nexus.StateFromFeedback()); |
763 break; | 752 break; |
764 } | 753 } |
765 case FeedbackVectorSlotKind::LOAD_GLOBAL_IC: { | 754 case FeedbackVectorSlotKind::LOAD_GLOBAL_IC: { |
766 LoadGlobalICNexus nexus(this, slot); | 755 LoadGlobalICNexus nexus(this, slot); |
767 os << Code::ICState2String(nexus.StateFromFeedback()); | 756 os << Code::ICState2String(nexus.StateFromFeedback()); |
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1654 printf("Not a transition array\n"); | 1643 printf("Not a transition array\n"); |
1655 } else { | 1644 } else { |
1656 reinterpret_cast<i::TransitionArray*>(object)->Print(); | 1645 reinterpret_cast<i::TransitionArray*>(object)->Print(); |
1657 } | 1646 } |
1658 } | 1647 } |
1659 | 1648 |
1660 extern void _v8_internal_Print_StackTrace() { | 1649 extern void _v8_internal_Print_StackTrace() { |
1661 i::Isolate* isolate = i::Isolate::Current(); | 1650 i::Isolate* isolate = i::Isolate::Current(); |
1662 isolate->PrintStack(stdout); | 1651 isolate->PrintStack(stdout); |
1663 } | 1652 } |
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