// Copyright 2012 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. #if V8_TARGET_ARCH_MIPS64 #include "src/interface-descriptors.h" namespace v8 { namespace internal { const Register CallInterfaceDescriptor::ContextRegister() { return cp; } void CallInterfaceDescriptor::DefaultInitializePlatformSpecific( CallInterfaceDescriptorData* data, int register_parameter_count) { const Register default_stub_registers[] = {a0, a1, a2, a3, a4}; CHECK_LE(static_cast<size_t>(register_parameter_count), arraysize(default_stub_registers)); data->InitializePlatformSpecific(register_parameter_count, default_stub_registers); } const Register FastNewFunctionContextDescriptor::FunctionRegister() { return a1; } const Register FastNewFunctionContextDescriptor::SlotsRegister() { return a0; } const Register LoadDescriptor::ReceiverRegister() { return a1; } const Register LoadDescriptor::NameRegister() { return a2; } const Register LoadDescriptor::SlotRegister() { return a0; } const Register LoadWithVectorDescriptor::VectorRegister() { return a3; } const Register StoreDescriptor::ReceiverRegister() { return a1; } const Register StoreDescriptor::NameRegister() { return a2; } const Register StoreDescriptor::ValueRegister() { return a0; } const Register StoreDescriptor::SlotRegister() { return a4; } const Register StoreWithVectorDescriptor::VectorRegister() { return a3; } const Register VectorStoreTransitionDescriptor::SlotRegister() { return a4; } const Register VectorStoreTransitionDescriptor::VectorRegister() { return a3; } const Register VectorStoreTransitionDescriptor::MapRegister() { return a5; } const Register StoreTransitionDescriptor::MapRegister() { return a3; } const Register StoreGlobalViaContextDescriptor::SlotRegister() { return a2; } const Register StoreGlobalViaContextDescriptor::ValueRegister() { return a0; } const Register StringCompareDescriptor::LeftRegister() { return a1; } const Register StringCompareDescriptor::RightRegister() { return a0; } const Register ApiGetterDescriptor::HolderRegister() { return a0; } const Register ApiGetterDescriptor::CallbackRegister() { return a3; } const Register MathPowTaggedDescriptor::exponent() { return a2; } const Register MathPowIntegerDescriptor::exponent() { return MathPowTaggedDescriptor::exponent(); } const Register GrowArrayElementsDescriptor::ObjectRegister() { return a0; } const Register GrowArrayElementsDescriptor::KeyRegister() { return a3; } void FastNewClosureDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a2}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void FastNewObjectDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a1, a3}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void FastNewRestParameterDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a1}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void FastNewSloppyArgumentsDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a1}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void FastNewStrictArgumentsDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a1}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } // static const Register TypeConversionDescriptor::ArgumentRegister() { return a0; } void TypeofDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a3}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void FastCloneRegExpDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a3, a2, a1, a0}; data->InitializePlatformSpecific(arraysize(registers), registers); } void FastCloneShallowArrayDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a3, a2, a1}; data->InitializePlatformSpecific(arraysize(registers), registers); } void FastCloneShallowObjectDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a3, a2, a1, a0}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void CreateAllocationSiteDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a2, a3}; data->InitializePlatformSpecific(arraysize(registers), registers); } void CreateWeakCellDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a2, a3, a1}; data->InitializePlatformSpecific(arraysize(registers), registers); } void CallFunctionWithFeedbackDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a1, a3}; data->InitializePlatformSpecific(arraysize(registers), registers); } void CallFunctionWithFeedbackAndVectorDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a1, a3, a2}; data->InitializePlatformSpecific(arraysize(registers), registers); } void CallFunctionDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a1}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void CallConstructDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { // a0 : number of arguments // a1 : the function to call // a2 : feedback vector // a3 : slot in feedback vector (Smi, for RecordCallTarget) // a4 : new target (for IsSuperConstructorCall) // TODO(turbofan): So far we don't gather type feedback and hence skip the // slot parameter, but ArrayConstructStub needs the vector to be undefined. Register registers[] = {a0, a1, a4, a2}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void CallTrampolineDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { // a1: target // a0: number of arguments Register registers[] = {a1, a0}; data->InitializePlatformSpecific(arraysize(registers), registers); } void ConstructStubDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { // a1: target // a3: new target // a0: number of arguments // a2: allocation site or undefined Register registers[] = {a1, a3, a0, a2}; data->InitializePlatformSpecific(arraysize(registers), registers); } void ConstructTrampolineDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { // a1: target // a3: new target // a0: number of arguments Register registers[] = {a1, a3, a0}; data->InitializePlatformSpecific(arraysize(registers), registers); } void RegExpConstructResultDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a2, a1, a0}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void TransitionElementsKindDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a0, a1}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void AllocateHeapNumberDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { // register state data->InitializePlatformSpecific(0, nullptr, nullptr); } #define SIMD128_ALLOC_DESC(TYPE, Type, type, lane_count, lane_type) \ void Allocate##Type##Descriptor::InitializePlatformSpecific( \ CallInterfaceDescriptorData* data) { \ data->InitializePlatformSpecific(0, nullptr, nullptr); \ } SIMD128_TYPES(SIMD128_ALLOC_DESC) #undef SIMD128_ALLOC_DESC void ArrayNoArgumentConstructorDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { // register state // a0 -- number of arguments // a1 -- function // a2 -- allocation site with elements kind Register registers[] = {a1, a2, a0}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void ArraySingleArgumentConstructorDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { // register state // a0 -- number of arguments // a1 -- function // a2 -- allocation site with elements kind Register registers[] = {a1, a2, a0}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void ArrayNArgumentsConstructorDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { // stack param count needs (constructor pointer, and single argument) Register registers[] = {a1, a2, a0}; data->InitializePlatformSpecific(arraysize(registers), registers); } void VarArgFunctionDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { // stack param count needs (arg count) Register registers[] = {a0}; data->InitializePlatformSpecific(arraysize(registers), registers); } void CompareDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a1, a0}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void BinaryOpDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a1, a0}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void BinaryOpWithAllocationSiteDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a2, a1, a0}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void BinaryOpWithVectorDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { // register state // a1 -- lhs // a0 -- rhs // a4 -- slot id // a3 -- vector Register registers[] = {a1, a0, a4, a3}; data->InitializePlatformSpecific(arraysize(registers), registers); } void CountOpDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a1}; data->InitializePlatformSpecific(arraysize(registers), registers); } void StringAddDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = {a1, a0}; data->InitializePlatformSpecific(arraysize(registers), registers, NULL); } void KeyedDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = { a2, // key }; data->InitializePlatformSpecific(arraysize(registers), registers); } void NamedDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = { a2, // name }; data->InitializePlatformSpecific(arraysize(registers), registers); } void CallHandlerDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = { a0, // receiver }; data->InitializePlatformSpecific(arraysize(registers), registers); } void ArgumentAdaptorDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = { a1, // JSFunction a3, // the new target a0, // actual number of arguments a2, // expected number of arguments }; data->InitializePlatformSpecific(arraysize(registers), registers); } void ApiCallbackDescriptorBase::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = { a0, // callee a4, // call_data a2, // holder a1, // api_function_address }; data->InitializePlatformSpecific(arraysize(registers), registers); } void InterpreterDispatchDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = { kInterpreterAccumulatorRegister, kInterpreterBytecodeOffsetRegister, kInterpreterBytecodeArrayRegister, kInterpreterDispatchTableRegister}; data->InitializePlatformSpecific(arraysize(registers), registers); } void InterpreterPushArgsAndCallDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = { a0, // argument count (not including receiver) a2, // address of first argument a1 // the target callable to be call }; data->InitializePlatformSpecific(arraysize(registers), registers); } void InterpreterPushArgsAndConstructDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = { a0, // argument count (not including receiver) a3, // new target a1, // constructor to call a2, // allocation site feedback if available, undefined otherwise. a4 // address of the first argument }; data->InitializePlatformSpecific(arraysize(registers), registers); } void InterpreterCEntryDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = { a0, // argument count (argc) a2, // address of first argument (argv) a1 // the runtime function to call }; data->InitializePlatformSpecific(arraysize(registers), registers); } void ResumeGeneratorDescriptor::InitializePlatformSpecific( CallInterfaceDescriptorData* data) { Register registers[] = { v0, // the value to pass to the generator a1, // the JSGeneratorObject to resume a2 // the resume mode (tagged) }; data->InitializePlatformSpecific(arraysize(registers), registers); } } // namespace internal } // namespace v8 #endif // V8_TARGET_ARCH_MIPS64