| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_CALL_INTERFACE_DESCRIPTOR_H_ |
| #define V8_CALL_INTERFACE_DESCRIPTOR_H_ |
| |
| #include "src/assembler.h" |
| #include "src/macro-assembler.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| class PlatformInterfaceDescriptor; |
| |
| #define INTERFACE_DESCRIPTOR_LIST(V) \ |
| V(Load) \ |
| V(Store) \ |
| V(StoreTransition) \ |
| V(ElementTransitionAndStore) \ |
| V(Instanceof) \ |
| V(VectorLoadICTrampoline) \ |
| V(VectorLoadIC) \ |
| V(FastNewClosure) \ |
| V(FastNewContext) \ |
| V(ToNumber) \ |
| V(NumberToString) \ |
| V(FastCloneShallowArray) \ |
| V(FastCloneShallowObject) \ |
| V(CreateAllocationSite) \ |
| V(CallFunction) \ |
| V(CallFunctionWithFeedback) \ |
| V(CallConstruct) \ |
| V(RegExpConstructResult) \ |
| V(TransitionElementsKind) \ |
| V(AllocateHeapNumber) \ |
| V(ArrayConstructorConstantArgCount) \ |
| V(ArrayConstructor) \ |
| V(InternalArrayConstructorConstantArgCount) \ |
| V(InternalArrayConstructor) \ |
| V(CompareNil) \ |
| V(ToBoolean) \ |
| V(BinaryOp) \ |
| V(BinaryOpWithAllocationSite) \ |
| V(StringAdd) \ |
| V(Keyed) \ |
| V(Named) \ |
| V(CallHandler) \ |
| V(ArgumentAdaptor) \ |
| V(ApiGetter) \ |
| V(ApiFunction) \ |
| V(ArgumentsAccessRead) \ |
| V(StoreArrayLiteralElement) \ |
| V(MathPowTagged) \ |
| V(MathPowInteger) \ |
| V(ContextOnly) |
| |
| |
| class CallInterfaceDescriptorData { |
| public: |
| CallInterfaceDescriptorData() : register_param_count_(-1) {} |
| |
| // A copy of the passed in registers and param_representations is made |
| // and owned by the CallInterfaceDescriptorData. |
| |
| // TODO(mvstanton): Instead of taking parallel arrays register and |
| // param_representations, how about a struct that puts the representation |
| // and register side by side (eg, RegRep(r1, Representation::Tagged()). |
| // The same should go for the CodeStubDescriptor class. |
| void Initialize(int register_parameter_count, Register* registers, |
| Representation* param_representations, |
| PlatformInterfaceDescriptor* platform_descriptor = NULL); |
| |
| bool IsInitialized() const { return register_param_count_ >= 0; } |
| |
| int register_param_count() const { return register_param_count_; } |
| Register register_param(int index) const { return register_params_[index]; } |
| Register* register_params() const { return register_params_.get(); } |
| Representation register_param_representation(int index) const { |
| return register_param_representations_[index]; |
| } |
| Representation* register_param_representations() const { |
| return register_param_representations_.get(); |
| } |
| PlatformInterfaceDescriptor* platform_specific_descriptor() const { |
| return platform_specific_descriptor_; |
| } |
| |
| private: |
| int register_param_count_; |
| |
| // The Register params are allocated dynamically by the |
| // InterfaceDescriptor, and freed on destruction. This is because static |
| // arrays of Registers cause creation of runtime static initializers |
| // which we don't want. |
| SmartArrayPointer<Register> register_params_; |
| // Specifies Representations for the stub's parameter. Points to an array of |
| // Representations of the same length of the numbers of parameters to the |
| // stub, or if NULL (the default value), Representation of each parameter |
| // assumed to be Tagged(). |
| SmartArrayPointer<Representation> register_param_representations_; |
| |
| PlatformInterfaceDescriptor* platform_specific_descriptor_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CallInterfaceDescriptorData); |
| }; |
| |
| |
| class CallDescriptors { |
| public: |
| enum Key { |
| #define DEF_ENUM(name) name, |
| INTERFACE_DESCRIPTOR_LIST(DEF_ENUM) |
| #undef DEF_ENUM |
| NUMBER_OF_DESCRIPTORS |
| }; |
| }; |
| |
| |
| class CallInterfaceDescriptor { |
| public: |
| CallInterfaceDescriptor() : data_(NULL) {} |
| |
| CallInterfaceDescriptor(Isolate* isolate, CallDescriptors::Key key) |
| : data_(isolate->call_descriptor_data(key)) {} |
| |
| int GetEnvironmentLength() const { return data()->register_param_count(); } |
| |
| int GetRegisterParameterCount() const { |
| return data()->register_param_count(); |
| } |
| |
| Register GetParameterRegister(int index) const { |
| return data()->register_param(index); |
| } |
| |
| Representation GetParameterRepresentation(int index) const { |
| DCHECK(index < data()->register_param_count()); |
| if (data()->register_param_representations() == NULL) { |
| return Representation::Tagged(); |
| } |
| |
| return data()->register_param_representation(index); |
| } |
| |
| // "Environment" versions of parameter functions. The first register |
| // parameter (context) is not included. |
| int GetEnvironmentParameterCount() const { |
| return GetEnvironmentLength() - 1; |
| } |
| |
| Register GetEnvironmentParameterRegister(int index) const { |
| return GetParameterRegister(index + 1); |
| } |
| |
| Representation GetEnvironmentParameterRepresentation(int index) const { |
| return GetParameterRepresentation(index + 1); |
| } |
| |
| // Some platforms have extra information to associate with the descriptor. |
| PlatformInterfaceDescriptor* platform_specific_descriptor() const { |
| return data()->platform_specific_descriptor(); |
| } |
| |
| static const Register ContextRegister(); |
| |
| const char* DebugName(Isolate* isolate) const; |
| |
| protected: |
| const CallInterfaceDescriptorData* data() const { return data_; } |
| |
| private: |
| const CallInterfaceDescriptorData* data_; |
| }; |
| |
| |
| #define DECLARE_DESCRIPTOR(name, base) \ |
| explicit name(Isolate* isolate) : base(isolate, key()) { \ |
| if (!data()->IsInitialized()) \ |
| Initialize(isolate->call_descriptor_data(key())); \ |
| } \ |
| \ |
| protected: \ |
| void Initialize(CallInterfaceDescriptorData* data); \ |
| name(Isolate* isolate, CallDescriptors::Key key) : base(isolate, key) {} \ |
| \ |
| public: \ |
| static inline CallDescriptors::Key key(); |
| |
| |
| // LoadDescriptor is used by all stubs that implement Load/KeyedLoad ICs. |
| class LoadDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(LoadDescriptor, CallInterfaceDescriptor) |
| |
| enum ParameterIndices { kReceiverIndex, kNameIndex }; |
| static const Register ReceiverRegister(); |
| static const Register NameRegister(); |
| }; |
| |
| |
| class StoreDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(StoreDescriptor, CallInterfaceDescriptor) |
| |
| enum ParameterIndices { |
| kReceiverIndex, |
| kNameIndex, |
| kValueIndex, |
| kParameterCount |
| }; |
| static const Register ReceiverRegister(); |
| static const Register NameRegister(); |
| static const Register ValueRegister(); |
| }; |
| |
| |
| class StoreTransitionDescriptor : public StoreDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(StoreTransitionDescriptor, StoreDescriptor) |
| |
| // Extends StoreDescriptor with Map parameter. |
| enum ParameterIndices { |
| kReceiverIndex, |
| kNameIndex, |
| kValueIndex, |
| kMapIndex, |
| kParameterCount |
| }; |
| static const Register MapRegister(); |
| }; |
| |
| |
| class ElementTransitionAndStoreDescriptor : public StoreDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(ElementTransitionAndStoreDescriptor, StoreDescriptor) |
| |
| static const Register MapRegister(); |
| }; |
| |
| |
| class InstanceofDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(InstanceofDescriptor, CallInterfaceDescriptor) |
| |
| enum ParameterIndices { kLeftIndex, kRightIndex, kParameterCount }; |
| static const Register left(); |
| static const Register right(); |
| }; |
| |
| |
| class VectorLoadICTrampolineDescriptor : public LoadDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(VectorLoadICTrampolineDescriptor, LoadDescriptor) |
| |
| enum ParameterIndices { kReceiverIndex, kNameIndex, kSlotIndex }; |
| |
| static const Register SlotRegister(); |
| }; |
| |
| |
| class VectorLoadICDescriptor : public VectorLoadICTrampolineDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(VectorLoadICDescriptor, VectorLoadICTrampolineDescriptor) |
| |
| enum ParameterIndices { |
| kReceiverIndex, |
| kNameIndex, |
| kSlotIndex, |
| kVectorIndex |
| }; |
| |
| static const Register VectorRegister(); |
| }; |
| |
| |
| class FastNewClosureDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(FastNewClosureDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class FastNewContextDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(FastNewContextDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class ToNumberDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(ToNumberDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class NumberToStringDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(NumberToStringDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class FastCloneShallowArrayDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(FastCloneShallowArrayDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class FastCloneShallowObjectDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(FastCloneShallowObjectDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class CreateAllocationSiteDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(CreateAllocationSiteDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class CallFunctionDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(CallFunctionDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class CallFunctionWithFeedbackDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(CallFunctionWithFeedbackDescriptor, |
| CallInterfaceDescriptor) |
| }; |
| |
| |
| class CallConstructDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(CallConstructDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class RegExpConstructResultDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(RegExpConstructResultDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class TransitionElementsKindDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(TransitionElementsKindDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class AllocateHeapNumberDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(AllocateHeapNumberDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class ArrayConstructorConstantArgCountDescriptor |
| : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(ArrayConstructorConstantArgCountDescriptor, |
| CallInterfaceDescriptor) |
| }; |
| |
| |
| class ArrayConstructorDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(ArrayConstructorDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class InternalArrayConstructorConstantArgCountDescriptor |
| : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(InternalArrayConstructorConstantArgCountDescriptor, |
| CallInterfaceDescriptor) |
| }; |
| |
| |
| class InternalArrayConstructorDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(InternalArrayConstructorDescriptor, |
| CallInterfaceDescriptor) |
| }; |
| |
| |
| class CompareNilDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(CompareNilDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class ToBooleanDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(ToBooleanDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class BinaryOpDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(BinaryOpDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class BinaryOpWithAllocationSiteDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(BinaryOpWithAllocationSiteDescriptor, |
| CallInterfaceDescriptor) |
| }; |
| |
| |
| class StringAddDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(StringAddDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class KeyedDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(KeyedDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class NamedDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(NamedDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class CallHandlerDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(CallHandlerDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class ArgumentAdaptorDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(ArgumentAdaptorDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class ApiFunctionDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(ApiFunctionDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| |
| class ApiGetterDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(ApiGetterDescriptor, CallInterfaceDescriptor) |
| |
| static const Register function_address(); |
| }; |
| |
| |
| class ArgumentsAccessReadDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(ArgumentsAccessReadDescriptor, CallInterfaceDescriptor) |
| |
| static const Register index(); |
| static const Register parameter_count(); |
| }; |
| |
| |
| class StoreArrayLiteralElementDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(StoreArrayLiteralElementDescriptor, |
| CallInterfaceDescriptor) |
| }; |
| |
| |
| class MathPowTaggedDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(MathPowTaggedDescriptor, CallInterfaceDescriptor) |
| |
| static const Register exponent(); |
| }; |
| |
| |
| class MathPowIntegerDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(MathPowIntegerDescriptor, CallInterfaceDescriptor) |
| |
| static const Register exponent(); |
| }; |
| |
| |
| class ContextOnlyDescriptor : public CallInterfaceDescriptor { |
| public: |
| DECLARE_DESCRIPTOR(ContextOnlyDescriptor, CallInterfaceDescriptor) |
| }; |
| |
| #undef DECLARE_DESCRIPTOR |
| |
| |
| // We define the association between CallDescriptors::Key and the specialized |
| // descriptor here to reduce boilerplate and mistakes. |
| #define DEF_KEY(name) \ |
| CallDescriptors::Key name##Descriptor::key() { return CallDescriptors::name; } |
| INTERFACE_DESCRIPTOR_LIST(DEF_KEY) |
| #undef DEF_KEY |
| } |
| } // namespace v8::internal |
| |
| |
| #if V8_TARGET_ARCH_ARM64 |
| #include "src/arm64/interface-descriptors-arm64.h" |
| #elif V8_TARGET_ARCH_ARM |
| #include "src/arm/interface-descriptors-arm.h" |
| #endif |
| |
| #endif // V8_CALL_INTERFACE_DESCRIPTOR_H_ |