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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.
#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 LoadDescriptor::SlotRegister() { return rax; }
const Register LoadWithVectorDescriptor::VectorRegister() { return rbx; }
const Register StoreDescriptor::ReceiverRegister() { return rdx; }
const Register StoreDescriptor::NameRegister() { return rcx; }
const Register StoreDescriptor::ValueRegister() { return rax; }
const Register VectorStoreICTrampolineDescriptor::SlotRegister() { return rdi; }
const Register VectorStoreICDescriptor::VectorRegister() { return rbx; }
const Register StoreTransitionDescriptor::MapRegister() { return rbx; }
const Register LoadGlobalViaContextDescriptor::SlotRegister() { return rbx; }
const Register StoreGlobalViaContextDescriptor::SlotRegister() { return rbx; }
const Register StoreGlobalViaContextDescriptor::ValueRegister() { return rax; }
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();
}
const Register GrowArrayElementsDescriptor::ObjectRegister() { return rax; }
const Register GrowArrayElementsDescriptor::KeyRegister() { return rbx; }
void StoreTransitionDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {ReceiverRegister(), NameRegister(), ValueRegister(),
MapRegister()};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void FastNewClosureDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rbx};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void FastNewContextDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rdi};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void TypeofDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rbx};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void ToNumberDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
// ToNumberStub invokes a function, and therefore needs a context.
Register registers[] = {rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
// static
const Register ToObjectDescriptor::ReceiverRegister() { return rax; }
void NumberToStringDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void FastCloneShallowArrayDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rax, rbx, rcx};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void FastCloneShallowObjectDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rax, rbx, rcx, rdx};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void CreateAllocationSiteDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rbx, rdx};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void CreateWeakCellDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rbx, rdx, rdi};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void StoreArrayLiteralElementDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rcx, rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void CallFunctionDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rdi};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void CallFunctionWithFeedbackDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rdi, rdx};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void CallFunctionWithFeedbackAndVectorDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rdi, rdx, rbx};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void CallConstructDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
// rax : number of arguments
// rbx : feedback vector
// rcx : original constructor (for IsSuperConstructorCall)
// rdx : slot in feedback vector (Smi, for RecordCallTarget)
// 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[] = {rax, rdi, rcx, rbx};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void RegExpConstructResultDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rcx, rbx, rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void TransitionElementsKindDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rax, rbx};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void AllocateHeapNumberDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
data->InitializePlatformSpecific(0, nullptr, nullptr);
}
void ArrayConstructorConstantArgCountDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
// register state
// rax -- number of arguments
// rdi -- function
// rbx -- allocation site with elements kind
Register registers[] = {rdi, rbx};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void ArrayConstructorDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
// stack param count needs (constructor pointer, and single argument)
Register registers[] = {rdi, rbx, rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void InternalArrayConstructorConstantArgCountDescriptor::
InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
// register state
// rax -- number of arguments
// rdi -- constructor function
Register registers[] = {rdi};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void InternalArrayConstructorDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
// stack param count needs (constructor pointer, and single argument)
Register registers[] = {rdi, rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void CompareDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rdx, rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void CompareNilDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void ToBooleanDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void BinaryOpDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rdx, rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void BinaryOpWithAllocationSiteDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rcx, rdx, rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void StringAddDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {rdx, rax};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void KeyedDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {
rcx, // key
};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void NamedDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {
rcx, // name
};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void CallHandlerDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {
rdx, // receiver
};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void ArgumentAdaptorDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {
rdi, // JSFunction
rax, // actual number of arguments
rbx, // expected number of arguments
};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void ApiFunctionDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {
rdi, // callee
rbx, // call_data
rcx, // holder
rdx, // api_function_address
rax, // actual number of arguments
};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void ApiAccessorDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {
rdi, // callee
rbx, // call_data
rcx, // holder
rdx, // api_function_address
};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void MathRoundVariantCallFromUnoptimizedCodeDescriptor::
InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
Register registers[] = {
rdi, // math rounding function
rdx, // vector slot id
};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
void MathRoundVariantCallFromOptimizedCodeDescriptor::
InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
Register registers[] = {
rdi, // math rounding function
rdx, // vector slot id
rbx // type vector
};
data->InitializePlatformSpecific(arraysize(registers), registers);
}
} // namespace internal
} // namespace v8
#endif // V8_TARGET_ARCH_X64
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