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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_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 LoadICProtoArrayDescriptor::HandlerRegister() { return a4; }
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 StoreTransitionDescriptor::SlotRegister() { return a4; }
const Register StoreTransitionDescriptor::VectorRegister() { return a3; }
const Register StoreTransitionDescriptor::MapRegister() { return a5; }
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, a0, 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 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 ApiCallbackDescriptor::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 InterpreterPushArgsAndConstructArrayDescriptor::InitializePlatformSpecific(
CallInterfaceDescriptorData* data) {
Register registers[] = {
a0, // argument count (not including receiver)
a1, // the target to call verified to be Array function
a2, // allocation site feedback
a3, // address of 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