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// Copyright 2017 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_BUILTINS_BUILTINS_UTILS_GEN_H_ #define V8_BUILTINS_BUILTINS_UTILS_GEN_H_ #include "include/cppgc/source-location.h" #include "src/builtins/builtins-descriptors.h" namespace v8 { namespace internal { namespace compiler { class CodeAssemblerState; } // namespace compiler // ---------------------------------------------------------------------------- // Support macro for defining builtins with Turbofan. // ---------------------------------------------------------------------------- // // A builtin function is defined by writing: // // TF_BUILTIN(name, code_assember_base_class) { // ... // } // // In the body of the builtin function the arguments can be accessed // as "Parameter(n)". #define TF_BUILTIN(Name, AssemblerBase) \ class Name##Assembler : public AssemblerBase { \ public: \ using Descriptor = Builtin_##Name##_InterfaceDescriptor; \ \ explicit Name##Assembler(compiler::CodeAssemblerState* state) \ : AssemblerBase(state) {} \ void Generate##Name##Impl(); \ \ template <class T> \ TNode<T> Parameter( \ Descriptor::ParameterIndices index, \ cppgc::SourceLocation loc = cppgc::SourceLocation::Current()) { \ return CodeAssembler::Parameter<T>(static_cast<int>(index), loc); \ } \ \ template <class T> \ TNode<T> UncheckedParameter(Descriptor::ParameterIndices index) { \ return CodeAssembler::UncheckedParameter<T>(static_cast<int>(index)); \ } \ }; \ void Builtins::Generate_##Name(compiler::CodeAssemblerState* state) { \ Name##Assembler assembler(state); \ state->SetInitialDebugInformation(#Name, __FILE__, __LINE__); \ if (Builtins::KindOf(Builtin::k##Name) == Builtins::TFJ) { \ assembler.PerformStackCheck(assembler.GetJSContextParameter()); \ } \ assembler.Generate##Name##Impl(); \ } \ void Name##Assembler::Generate##Name##Impl() } // namespace internal } // namespace v8 #endif // V8_BUILTINS_BUILTINS_UTILS_GEN_H_