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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 #ifndef V8_CODE_STUBS_H_ | 5 #ifndef V8_CODE_STUBS_H_ |
6 #define V8_CODE_STUBS_H_ | 6 #define V8_CODE_STUBS_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/assembler.h" | 9 #include "src/assembler.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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27 V(CallApiAccessor) \ | 27 V(CallApiAccessor) \ |
28 V(CallApiGetter) \ | 28 V(CallApiGetter) \ |
29 V(CallConstruct) \ | 29 V(CallConstruct) \ |
30 V(CallFunction) \ | 30 V(CallFunction) \ |
31 V(CallIC) \ | 31 V(CallIC) \ |
32 V(CallIC_Array) \ | 32 V(CallIC_Array) \ |
33 V(CEntry) \ | 33 V(CEntry) \ |
34 V(CompareIC) \ | 34 V(CompareIC) \ |
35 V(DoubleToI) \ | 35 V(DoubleToI) \ |
36 V(FunctionPrototype) \ | 36 V(FunctionPrototype) \ |
37 V(Instanceof) \ | 37 V(InstanceOf) \ |
38 V(InternalArrayConstructor) \ | 38 V(InternalArrayConstructor) \ |
39 V(JSEntry) \ | 39 V(JSEntry) \ |
40 V(KeyedLoadICTrampoline) \ | 40 V(KeyedLoadICTrampoline) \ |
41 V(LoadICTrampoline) \ | 41 V(LoadICTrampoline) \ |
42 V(CallICTrampoline) \ | 42 V(CallICTrampoline) \ |
43 V(CallIC_ArrayTrampoline) \ | 43 V(CallIC_ArrayTrampoline) \ |
44 V(LoadIndexedInterceptor) \ | 44 V(LoadIndexedInterceptor) \ |
45 V(LoadIndexedString) \ | 45 V(LoadIndexedString) \ |
46 V(MathPow) \ | 46 V(MathPow) \ |
47 V(ProfileEntryHook) \ | 47 V(ProfileEntryHook) \ |
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869 bool is_js_array() const { return IsJsArrayBits::decode(sub_minor_key()); } | 869 bool is_js_array() const { return IsJsArrayBits::decode(sub_minor_key()); } |
870 | 870 |
871 private: | 871 private: |
872 class ElementsKindBits : public BitField<ElementsKind, 0, 8> {}; | 872 class ElementsKindBits : public BitField<ElementsKind, 0, 8> {}; |
873 class IsJsArrayBits : public BitField<bool, ElementsKindBits::kNext, 1> {}; | 873 class IsJsArrayBits : public BitField<bool, ElementsKindBits::kNext, 1> {}; |
874 | 874 |
875 DEFINE_CALL_INTERFACE_DESCRIPTOR(GrowArrayElements); | 875 DEFINE_CALL_INTERFACE_DESCRIPTOR(GrowArrayElements); |
876 DEFINE_HYDROGEN_CODE_STUB(GrowArrayElements, HydrogenCodeStub); | 876 DEFINE_HYDROGEN_CODE_STUB(GrowArrayElements, HydrogenCodeStub); |
877 }; | 877 }; |
878 | 878 |
879 class InstanceofStub: public PlatformCodeStub { | 879 |
| 880 class InstanceOfStub final : public PlatformCodeStub { |
880 public: | 881 public: |
881 enum Flags { | 882 explicit InstanceOfStub(Isolate* isolate) : PlatformCodeStub(isolate) {} |
882 kNoFlags = 0, | |
883 kArgsInRegisters = 1 << 0, | |
884 kCallSiteInlineCheck = 1 << 1, | |
885 kReturnTrueFalseObject = 1 << 2 | |
886 }; | |
887 | |
888 InstanceofStub(Isolate* isolate, Flags flags) : PlatformCodeStub(isolate) { | |
889 minor_key_ = FlagBits::encode(flags); | |
890 } | |
891 | |
892 static Register left() { return InstanceofDescriptor::left(); } | |
893 static Register right() { return InstanceofDescriptor::right(); } | |
894 | |
895 CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { | |
896 if (HasArgsInRegisters()) { | |
897 return InstanceofDescriptor(isolate()); | |
898 } | |
899 return ContextOnlyDescriptor(isolate()); | |
900 } | |
901 | 883 |
902 private: | 884 private: |
903 Flags flags() const { return FlagBits::decode(minor_key_); } | 885 DEFINE_CALL_INTERFACE_DESCRIPTOR(InstanceOf); |
904 | 886 DEFINE_PLATFORM_CODE_STUB(InstanceOf, PlatformCodeStub); |
905 bool HasArgsInRegisters() const { return (flags() & kArgsInRegisters) != 0; } | |
906 | |
907 bool HasCallSiteInlineCheck() const { | |
908 return (flags() & kCallSiteInlineCheck) != 0; | |
909 } | |
910 | |
911 bool ReturnTrueFalseObject() const { | |
912 return (flags() & kReturnTrueFalseObject) != 0; | |
913 } | |
914 | |
915 void PrintName(std::ostream& os) const override; // NOLINT | |
916 | |
917 class FlagBits : public BitField<Flags, 0, 3> {}; | |
918 | |
919 DEFINE_PLATFORM_CODE_STUB(Instanceof, PlatformCodeStub); | |
920 }; | 887 }; |
921 | 888 |
922 | 889 |
923 enum AllocationSiteOverrideMode { | 890 enum AllocationSiteOverrideMode { |
924 DONT_OVERRIDE, | 891 DONT_OVERRIDE, |
925 DISABLE_ALLOCATION_SITES, | 892 DISABLE_ALLOCATION_SITES, |
926 LAST_ALLOCATION_SITE_OVERRIDE_MODE = DISABLE_ALLOCATION_SITES | 893 LAST_ALLOCATION_SITE_OVERRIDE_MODE = DISABLE_ALLOCATION_SITES |
927 }; | 894 }; |
928 | 895 |
929 | 896 |
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3127 #undef DEFINE_PLATFORM_CODE_STUB | 3094 #undef DEFINE_PLATFORM_CODE_STUB |
3128 #undef DEFINE_HANDLER_CODE_STUB | 3095 #undef DEFINE_HANDLER_CODE_STUB |
3129 #undef DEFINE_HYDROGEN_CODE_STUB | 3096 #undef DEFINE_HYDROGEN_CODE_STUB |
3130 #undef DEFINE_CODE_STUB | 3097 #undef DEFINE_CODE_STUB |
3131 #undef DEFINE_CODE_STUB_BASE | 3098 #undef DEFINE_CODE_STUB_BASE |
3132 | 3099 |
3133 extern Representation RepresentationFromType(Type* type); | 3100 extern Representation RepresentationFromType(Type* type); |
3134 } } // namespace v8::internal | 3101 } } // namespace v8::internal |
3135 | 3102 |
3136 #endif // V8_CODE_STUBS_H_ | 3103 #endif // V8_CODE_STUBS_H_ |
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