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// 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_IA32
#include "src/interface-descriptors.h"
namespace v8 {
namespace internal {
const Register CallInterfaceDescriptor::ContextRegister() { return esi; }
const Register LoadDescriptor::ReceiverRegister() { return edx; }
const Register LoadDescriptor::NameRegister() { return ecx; }
const Register VectorLoadICTrampolineDescriptor::SlotRegister() { return eax; }
const Register VectorLoadICDescriptor::VectorRegister() { return ebx; }
const Register StoreDescriptor::ReceiverRegister() { return edx; }
const Register StoreDescriptor::NameRegister() { return ecx; }
const Register StoreDescriptor::ValueRegister() { return eax; }
const Register StoreTransitionDescriptor::MapRegister() { return ebx; }
const Register ElementTransitionAndStoreDescriptor::MapRegister() {
return ebx;
}
const Register InstanceofDescriptor::left() { return eax; }
const Register InstanceofDescriptor::right() { return edx; }
const Register ArgumentsAccessReadDescriptor::index() { return edx; }
const Register ArgumentsAccessReadDescriptor::parameter_count() { return eax; }
const Register ApiGetterDescriptor::function_address() { return edx; }
const Register MathPowTaggedDescriptor::exponent() { return eax; }
const Register MathPowIntegerDescriptor::exponent() {
return MathPowTaggedDescriptor::exponent();
}
void FastNewClosureDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {esi, ebx};
data->Initialize(arraysize(registers), registers, NULL);
}
void FastNewContextDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {esi, edi};
data->Initialize(arraysize(registers), registers, NULL);
}
void ToNumberDescriptor::Initialize(CallInterfaceDescriptorData* data) {
// ToNumberStub invokes a function, and therefore needs a context.
Register registers[] = {esi, eax};
data->Initialize(arraysize(registers), registers, NULL);
}
void NumberToStringDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {esi, eax};
data->Initialize(arraysize(registers), registers, NULL);
}
void FastCloneShallowArrayDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {esi, eax, ebx, ecx};
Representation representations[] = {
Representation::Tagged(), Representation::Tagged(), Representation::Smi(),
Representation::Tagged()};
data->Initialize(arraysize(registers), registers, representations);
}
void FastCloneShallowObjectDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {esi, eax, ebx, ecx, edx};
data->Initialize(arraysize(registers), registers, NULL);
}
void CreateAllocationSiteDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {esi, ebx, edx};
Representation representations[] = {Representation::Tagged(),
Representation::Tagged(),
Representation::Smi()};
data->Initialize(arraysize(registers), registers, representations);
}
void CreateWeakCellDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {esi, ebx, edx, edi};
Representation representations[] = {
Representation::Tagged(), Representation::Tagged(), Representation::Smi(),
Representation::Tagged()};
data->Initialize(arraysize(registers), registers, representations);
}
void StoreArrayLiteralElementDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {esi, ecx, eax};
data->Initialize(arraysize(registers), registers, NULL);
}
void CallFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {esi, edi};
data->Initialize(arraysize(registers), registers, NULL);
}
void CallFunctionWithFeedbackDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {esi, edi, edx};
Representation representations[] = {Representation::Tagged(),
Representation::Tagged(),
Representation::Smi()};
data->Initialize(arraysize(registers), registers, representations);
}
void CallFunctionWithFeedbackAndVectorDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {esi, edi, edx, ebx};
Representation representations[] = {
Representation::Tagged(), Representation::Tagged(), Representation::Smi(),
Representation::Tagged()};
data->Initialize(arraysize(registers), registers, representations);
}
void CallConstructDescriptor::Initialize(CallInterfaceDescriptorData* data) {
// eax : number of arguments
// ebx : feedback vector
// edx : (only if ebx is not the megamorphic symbol) slot in feedback
// vector (Smi)
// edi : 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[] = {esi, eax, edi, ebx};
data->Initialize(arraysize(registers), registers, NULL);
}
void RegExpConstructResultDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {esi, ecx, ebx, eax};
data->Initialize(arraysize(registers), registers, NULL);
}
void TransitionElementsKindDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {esi, eax, ebx};
data->Initialize(arraysize(registers), registers, NULL);
}
void AllocateHeapNumberDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
// register state
// esi -- context
Register registers[] = {esi};
data->Initialize(arraysize(registers), registers, nullptr);
}
void ArrayConstructorConstantArgCountDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
// register state
// eax -- number of arguments
// edi -- function
// ebx -- allocation site with elements kind
Register registers[] = {esi, edi, ebx};
data->Initialize(arraysize(registers), registers, NULL);
}
void ArrayConstructorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
// stack param count needs (constructor pointer, and single argument)
Register registers[] = {esi, edi, ebx, eax};
Representation representations[] = {
Representation::Tagged(), Representation::Tagged(),
Representation::Tagged(), Representation::Integer32()};
data->Initialize(arraysize(registers), registers, representations);
}
void InternalArrayConstructorConstantArgCountDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
// register state
// eax -- number of arguments
// edi -- function
Register registers[] = {esi, edi};
data->Initialize(arraysize(registers), registers, NULL);
}
void InternalArrayConstructorDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
// stack param count needs (constructor pointer, and single argument)
Register registers[] = {esi, edi, eax};
Representation representations[] = {Representation::Tagged(),
Representation::Tagged(),
Representation::Integer32()};
data->Initialize(arraysize(registers), registers, representations);
}
void CompareDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {esi, edx, eax};
data->Initialize(arraysize(registers), registers, NULL);
}
void CompareNilDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {esi, eax};
data->Initialize(arraysize(registers), registers, NULL);
}
void ToBooleanDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {esi, eax};
data->Initialize(arraysize(registers), registers, NULL);
}
void BinaryOpDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {esi, edx, eax};
data->Initialize(arraysize(registers), registers, NULL);
}
void BinaryOpWithAllocationSiteDescriptor::Initialize(
CallInterfaceDescriptorData* data) {
Register registers[] = {esi, ecx, edx, eax};
data->Initialize(arraysize(registers), registers, NULL);
}
void StringAddDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {esi, edx, eax};
data->Initialize(arraysize(registers), registers, NULL);
}
void KeyedDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {
esi, // context
ecx, // key
};
Representation representations[] = {
Representation::Tagged(), // context
Representation::Tagged(), // key
};
data->Initialize(arraysize(registers), registers, representations);
}
void NamedDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {
esi, // context
ecx, // name
};
Representation representations[] = {
Representation::Tagged(), // context
Representation::Tagged(), // name
};
data->Initialize(arraysize(registers), registers, representations);
}
void CallHandlerDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {
esi, // context
edx, // name
};
Representation representations[] = {
Representation::Tagged(), // context
Representation::Tagged(), // receiver
};
data->Initialize(arraysize(registers), registers, representations);
}
void ArgumentAdaptorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {
esi, // context
edi, // JSFunction
eax, // actual number of arguments
ebx, // 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[] = {
esi, // context
edi, // callee
ebx, // call_data
ecx, // holder
edx, // api_function_address
eax, // actual number of arguments
};
Representation representations[] = {
Representation::Tagged(), // context
Representation::Tagged(), // callee
Representation::Tagged(), // call_data
Representation::Tagged(), // holder
Representation::External(), // api_function_address
Representation::Integer32(), // actual number of arguments
};
data->Initialize(arraysize(registers), registers, representations);
}
void ApiAccessorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
Register registers[] = {
esi, // context
edi, // callee
ebx, // call_data
ecx, // holder
edx, // 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_IA32
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