| // 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. |
| |
| #include "src/v8.h" |
| |
| #if V8_TARGET_ARCH_X64 |
| |
| #include "src/interface-descriptors.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| const Register CallInterfaceDescriptor::ContextRegister() { return rsi; } |
| |
| |
| const Register LoadDescriptor::ReceiverRegister() { return rdx; } |
| const Register LoadDescriptor::NameRegister() { return rcx; } |
| |
| |
| const Register VectorLoadICTrampolineDescriptor::SlotRegister() { return rax; } |
| |
| |
| const Register VectorLoadICDescriptor::VectorRegister() { return rbx; } |
| |
| |
| const Register StoreDescriptor::ReceiverRegister() { return rdx; } |
| const Register StoreDescriptor::NameRegister() { return rcx; } |
| const Register StoreDescriptor::ValueRegister() { return rax; } |
| |
| |
| const Register StoreTransitionDescriptor::MapRegister() { return rbx; } |
| |
| |
| const Register ElementTransitionAndStoreDescriptor::MapRegister() { |
| return rbx; |
| } |
| |
| |
| const Register InstanceofDescriptor::left() { return rax; } |
| const Register InstanceofDescriptor::right() { return rdx; } |
| |
| |
| const Register ArgumentsAccessReadDescriptor::index() { return rdx; } |
| const Register ArgumentsAccessReadDescriptor::parameter_count() { return rax; } |
| |
| |
| const Register ApiGetterDescriptor::function_address() { return r8; } |
| |
| |
| const Register MathPowTaggedDescriptor::exponent() { return rdx; } |
| |
| |
| const Register MathPowIntegerDescriptor::exponent() { |
| return MathPowTaggedDescriptor::exponent(); |
| } |
| |
| |
| void FastNewClosureDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rbx}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void FastNewContextDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rdi}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void ToNumberDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| // ToNumberStub invokes a function, and therefore needs a context. |
| Register registers[] = {rsi, rax}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void NumberToStringDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rax}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void FastCloneShallowArrayDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rax, rbx, rcx}; |
| Representation representations[] = { |
| Representation::Tagged(), Representation::Tagged(), Representation::Smi(), |
| Representation::Tagged()}; |
| data->Initialize(arraysize(registers), registers, representations); |
| } |
| |
| |
| void FastCloneShallowObjectDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rax, rbx, rcx, rdx}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void CreateAllocationSiteDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rbx, rdx}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void StoreArrayLiteralElementDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rcx, rax}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void CallFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rdi}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void CallFunctionWithFeedbackDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rdi, rdx}; |
| Representation representations[] = {Representation::Tagged(), |
| Representation::Tagged(), |
| Representation::Smi()}; |
| data->Initialize(arraysize(registers), registers, representations); |
| } |
| |
| |
| void CallConstructDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| // rax : number of arguments |
| // rbx : feedback vector |
| // rdx : (only if rbx is not the megamorphic symbol) slot in feedback |
| // vector (Smi) |
| // rdi : constructor function |
| // 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[] = {rsi, rax, rdi, rbx}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void RegExpConstructResultDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rcx, rbx, rax}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void TransitionElementsKindDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rax, rbx}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void AllocateHeapNumberDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| // register state |
| // rsi -- context |
| Register registers[] = {rsi}; |
| data->Initialize(arraysize(registers), registers, nullptr); |
| } |
| |
| |
| void ArrayConstructorConstantArgCountDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| // register state |
| // rax -- number of arguments |
| // rdi -- function |
| // rbx -- allocation site with elements kind |
| Register registers[] = {rsi, rdi, rbx}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void ArrayConstructorDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| // stack param count needs (constructor pointer, and single argument) |
| Register registers[] = {rsi, rdi, rbx, rax}; |
| Representation representations[] = { |
| Representation::Tagged(), Representation::Tagged(), |
| Representation::Tagged(), Representation::Integer32()}; |
| data->Initialize(arraysize(registers), registers, representations); |
| } |
| |
| |
| void InternalArrayConstructorConstantArgCountDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| // register state |
| // rsi -- context |
| // rax -- number of arguments |
| // rdi -- constructor function |
| Register registers[] = {rsi, rdi}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void InternalArrayConstructorDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| // stack param count needs (constructor pointer, and single argument) |
| Register registers[] = {rsi, rdi, rax}; |
| Representation representations[] = {Representation::Tagged(), |
| Representation::Tagged(), |
| Representation::Integer32()}; |
| data->Initialize(arraysize(registers), registers, representations); |
| } |
| |
| |
| void CompareNilDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rax}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void ToBooleanDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rax}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void BinaryOpDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rdx, rax}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void BinaryOpWithAllocationSiteDescriptor::Initialize( |
| CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rcx, rdx, rax}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void StringAddDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = {rsi, rdx, rax}; |
| data->Initialize(arraysize(registers), registers, NULL); |
| } |
| |
| |
| void KeyedDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = { |
| rsi, // context |
| rcx, // key |
| }; |
| Representation representations[] = { |
| Representation::Tagged(), // context |
| Representation::Tagged(), // key |
| }; |
| data->Initialize(arraysize(registers), registers, representations); |
| } |
| |
| |
| void NamedDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = { |
| rsi, // context |
| rcx, // name |
| }; |
| Representation representations[] = { |
| Representation::Tagged(), // context |
| Representation::Tagged(), // name |
| }; |
| data->Initialize(arraysize(registers), registers, representations); |
| } |
| |
| |
| void CallHandlerDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = { |
| rsi, // context |
| rdx, // receiver |
| }; |
| Representation representations[] = { |
| Representation::Tagged(), // context |
| Representation::Tagged(), // receiver |
| }; |
| data->Initialize(arraysize(registers), registers, representations); |
| } |
| |
| |
| void ArgumentAdaptorDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = { |
| rsi, // context |
| rdi, // JSFunction |
| rax, // actual number of arguments |
| rbx, // expected number of arguments |
| }; |
| Representation representations[] = { |
| Representation::Tagged(), // context |
| Representation::Tagged(), // JSFunction |
| Representation::Integer32(), // actual number of arguments |
| Representation::Integer32(), // expected number of arguments |
| }; |
| data->Initialize(arraysize(registers), registers, representations); |
| } |
| |
| |
| void ApiFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) { |
| Register registers[] = { |
| rsi, // context |
| rax, // callee |
| rbx, // call_data |
| rcx, // holder |
| rdx, // api_function_address |
| }; |
| Representation representations[] = { |
| Representation::Tagged(), // context |
| Representation::Tagged(), // callee |
| Representation::Tagged(), // call_data |
| Representation::Tagged(), // holder |
| Representation::External(), // api_function_address |
| }; |
| data->Initialize(arraysize(registers), registers, representations); |
| } |
| } |
| } // namespace v8::internal |
| |
| #endif // V8_TARGET_ARCH_X64 |