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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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59 V(Instanceof) \ | 59 V(Instanceof) \ |
60 V(ConvertToDouble) \ | 60 V(ConvertToDouble) \ |
61 V(WriteInt32ToHeapNumber) \ | 61 V(WriteInt32ToHeapNumber) \ |
62 V(StackCheck) \ | 62 V(StackCheck) \ |
63 V(Interrupt) \ | 63 V(Interrupt) \ |
64 V(FastNewClosure) \ | 64 V(FastNewClosure) \ |
65 V(FastNewContext) \ | 65 V(FastNewContext) \ |
66 V(FastNewBlockContext) \ | 66 V(FastNewBlockContext) \ |
67 V(FastCloneShallowArray) \ | 67 V(FastCloneShallowArray) \ |
68 V(FastCloneShallowObject) \ | 68 V(FastCloneShallowObject) \ |
| 69 V(CreateAllocationSite) \ |
69 V(ToBoolean) \ | 70 V(ToBoolean) \ |
70 V(ToNumber) \ | 71 V(ToNumber) \ |
71 V(ArgumentsAccess) \ | 72 V(ArgumentsAccess) \ |
72 V(RegExpConstructResult) \ | 73 V(RegExpConstructResult) \ |
73 V(NumberToString) \ | 74 V(NumberToString) \ |
74 V(CEntry) \ | 75 V(CEntry) \ |
75 V(JSEntry) \ | 76 V(JSEntry) \ |
76 V(KeyedLoadElement) \ | 77 V(KeyedLoadElement) \ |
77 V(ArrayNoArgumentConstructor) \ | 78 V(ArrayNoArgumentConstructor) \ |
78 V(ArraySingleArgumentConstructor) \ | 79 V(ArraySingleArgumentConstructor) \ |
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731 private: | 732 private: |
732 int length_; | 733 int length_; |
733 | 734 |
734 Major MajorKey() { return FastCloneShallowObject; } | 735 Major MajorKey() { return FastCloneShallowObject; } |
735 int NotMissMinorKey() { return length_; } | 736 int NotMissMinorKey() { return length_; } |
736 | 737 |
737 DISALLOW_COPY_AND_ASSIGN(FastCloneShallowObjectStub); | 738 DISALLOW_COPY_AND_ASSIGN(FastCloneShallowObjectStub); |
738 }; | 739 }; |
739 | 740 |
740 | 741 |
| 742 class CreateAllocationSiteStub : public HydrogenCodeStub { |
| 743 public: |
| 744 explicit CreateAllocationSiteStub() { } |
| 745 |
| 746 virtual Handle<Code> GenerateCode(); |
| 747 |
| 748 virtual bool IsPregenerated() { return true; } |
| 749 |
| 750 static void GenerateAheadOfTime(Isolate* isolate); |
| 751 |
| 752 virtual void InitializeInterfaceDescriptor( |
| 753 Isolate* isolate, |
| 754 CodeStubInterfaceDescriptor* descriptor); |
| 755 |
| 756 private: |
| 757 Major MajorKey() { return CreateAllocationSite; } |
| 758 int NotMissMinorKey() { return 0; } |
| 759 |
| 760 DISALLOW_COPY_AND_ASSIGN(CreateAllocationSiteStub); |
| 761 }; |
| 762 |
| 763 |
741 class InstanceofStub: public PlatformCodeStub { | 764 class InstanceofStub: public PlatformCodeStub { |
742 public: | 765 public: |
743 enum Flags { | 766 enum Flags { |
744 kNoFlags = 0, | 767 kNoFlags = 0, |
745 kArgsInRegisters = 1 << 0, | 768 kArgsInRegisters = 1 << 0, |
746 kCallSiteInlineCheck = 1 << 1, | 769 kCallSiteInlineCheck = 1 << 1, |
747 kReturnTrueFalseObject = 1 << 2 | 770 kReturnTrueFalseObject = 1 << 2 |
748 }; | 771 }; |
749 | 772 |
750 explicit InstanceofStub(Flags flags) : flags_(flags) { } | 773 explicit InstanceofStub(Flags flags) : flags_(flags) { } |
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1866 | 1889 |
1867 | 1890 |
1868 class ArrayConstructorStubBase : public HydrogenCodeStub { | 1891 class ArrayConstructorStubBase : public HydrogenCodeStub { |
1869 public: | 1892 public: |
1870 ArrayConstructorStubBase(ElementsKind kind, ContextCheckMode context_mode, | 1893 ArrayConstructorStubBase(ElementsKind kind, ContextCheckMode context_mode, |
1871 AllocationSiteOverrideMode override_mode) { | 1894 AllocationSiteOverrideMode override_mode) { |
1872 // It only makes sense to override local allocation site behavior | 1895 // It only makes sense to override local allocation site behavior |
1873 // if there is a difference between the global allocation site policy | 1896 // if there is a difference between the global allocation site policy |
1874 // for an ElementsKind and the desired usage of the stub. | 1897 // for an ElementsKind and the desired usage of the stub. |
1875 ASSERT(override_mode != DISABLE_ALLOCATION_SITES || | 1898 ASSERT(override_mode != DISABLE_ALLOCATION_SITES || |
1876 AllocationSiteInfo::GetMode(kind) == TRACK_ALLOCATION_SITE); | 1899 AllocationSite::GetMode(kind) == TRACK_ALLOCATION_SITE); |
1877 bit_field_ = ElementsKindBits::encode(kind) | | 1900 bit_field_ = ElementsKindBits::encode(kind) | |
1878 AllocationSiteOverrideModeBits::encode(override_mode) | | 1901 AllocationSiteOverrideModeBits::encode(override_mode) | |
1879 ContextCheckModeBits::encode(context_mode); | 1902 ContextCheckModeBits::encode(context_mode); |
1880 } | 1903 } |
1881 | 1904 |
1882 ElementsKind elements_kind() const { | 1905 ElementsKind elements_kind() const { |
1883 return ElementsKindBits::decode(bit_field_); | 1906 return ElementsKindBits::decode(bit_field_); |
1884 } | 1907 } |
1885 | 1908 |
1886 AllocationSiteOverrideMode override_mode() const { | 1909 AllocationSiteOverrideMode override_mode() const { |
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2293 int MinorKey() { return 0; } | 2316 int MinorKey() { return 0; } |
2294 | 2317 |
2295 void Generate(MacroAssembler* masm); | 2318 void Generate(MacroAssembler* masm); |
2296 | 2319 |
2297 DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub); | 2320 DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub); |
2298 }; | 2321 }; |
2299 | 2322 |
2300 } } // namespace v8::internal | 2323 } } // namespace v8::internal |
2301 | 2324 |
2302 #endif // V8_CODE_STUBS_H_ | 2325 #endif // V8_CODE_STUBS_H_ |
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