// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#if V8_TARGET_ARCH_PPC
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#include "src/interface-descriptors.h"
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namespace v8 {
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namespace internal {
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const Register CallInterfaceDescriptor::ContextRegister() { return cp; }
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void CallInterfaceDescriptor::DefaultInitializePlatformSpecific(
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CallInterfaceDescriptorData* data, int register_parameter_count) {
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const Register default_stub_registers[] = {r3, r4, r5, r6, r7};
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CHECK_LE(static_cast<size_t>(register_parameter_count),
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arraysize(default_stub_registers));
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data->InitializePlatformSpecific(register_parameter_count,
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default_stub_registers);
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}
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void RecordWriteDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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const Register default_stub_registers[] = {r3, r4, r5, r6, r7};
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data->RestrictAllocatableRegisters(default_stub_registers,
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arraysize(default_stub_registers));
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CHECK_LE(static_cast<size_t>(kParameterCount),
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arraysize(default_stub_registers));
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data->InitializePlatformSpecific(kParameterCount, default_stub_registers);
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}
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const Register FastNewFunctionContextDescriptor::ScopeInfoRegister() {
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return r4;
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}
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const Register FastNewFunctionContextDescriptor::SlotsRegister() { return r3; }
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const Register LoadDescriptor::ReceiverRegister() { return r4; }
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const Register LoadDescriptor::NameRegister() { return r5; }
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const Register LoadDescriptor::SlotRegister() { return r3; }
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const Register LoadWithVectorDescriptor::VectorRegister() { return r6; }
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const Register StoreDescriptor::ReceiverRegister() { return r4; }
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const Register StoreDescriptor::NameRegister() { return r5; }
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const Register StoreDescriptor::ValueRegister() { return r3; }
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const Register StoreDescriptor::SlotRegister() { return r7; }
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const Register StoreWithVectorDescriptor::VectorRegister() { return r6; }
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const Register StoreTransitionDescriptor::SlotRegister() { return r7; }
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const Register StoreTransitionDescriptor::VectorRegister() { return r6; }
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const Register StoreTransitionDescriptor::MapRegister() { return r8; }
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const Register ApiGetterDescriptor::HolderRegister() { return r3; }
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const Register ApiGetterDescriptor::CallbackRegister() { return r6; }
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const Register GrowArrayElementsDescriptor::ObjectRegister() { return r3; }
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const Register GrowArrayElementsDescriptor::KeyRegister() { return r6; }
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// static
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const Register TypeConversionDescriptor::ArgumentRegister() { return r3; }
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void TypeofDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {r6};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void CallFunctionDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {r4};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void CallTrampolineDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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// r3 : number of arguments
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// r4 : the target to call
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Register registers[] = {r4, r3};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void CallVarargsDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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// r3 : number of arguments (on the stack, not including receiver)
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// r4 : the target to call
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// r5 : arguments list (FixedArray)
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// r7 : arguments list length (untagged)
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Register registers[] = {r4, r3, r5, r7};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void CallForwardVarargsDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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// r3 : number of arguments
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// r5 : start index (to support rest parameters)
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// r4 : the target to call
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Register registers[] = {r4, r3, r5};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void CallWithSpreadDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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// r3 : number of arguments (on the stack, not including receiver)
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// r4 : the target to call
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// r5 : the object to spread
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Register registers[] = {r4, r3, r5};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void CallWithArrayLikeDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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// r4 : the target to call
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// r5 : the arguments list
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Register registers[] = {r4, r5};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void ConstructVarargsDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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// r3 : number of arguments (on the stack, not including receiver)
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// r4 : the target to call
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// r6 : the new target
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// r5 : arguments list (FixedArray)
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// r7 : arguments list length (untagged)
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Register registers[] = {r4, r6, r3, r5, r7};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void ConstructForwardVarargsDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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// r3 : number of arguments
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// r6 : the new target
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// r5 : start index (to support rest parameters)
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// r4 : the target to call
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Register registers[] = {r4, r6, r3, r5};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void ConstructWithSpreadDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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// r3 : number of arguments (on the stack, not including receiver)
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// r4 : the target to call
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// r6 : the new target
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// r5 : the object to spread
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Register registers[] = {r4, r6, r3, r5};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void ConstructWithArrayLikeDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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// r4 : the target to call
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// r6 : the new target
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// r5 : the arguments list
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Register registers[] = {r4, r6, r5};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void ConstructStubDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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// r3 : number of arguments
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// r4 : the target to call
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// r6 : the new target
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// r5 : allocation site or undefined
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Register registers[] = {r4, r6, r3, r5};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void AbortDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {r4};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void AllocateHeapNumberDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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data->InitializePlatformSpecific(0, nullptr);
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}
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void CompareDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {r4, r3};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void BinaryOpDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {r4, r3};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void ArgumentAdaptorDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {
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r4, // JSFunction
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r6, // the new target
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r3, // actual number of arguments
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r5, // expected number of arguments
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};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void ApiCallbackDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {
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JavaScriptFrame::context_register(), // callee context
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r7, // call_data
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r5, // holder
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r4, // api_function_address
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};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void InterpreterDispatchDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {
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kInterpreterAccumulatorRegister, kInterpreterBytecodeOffsetRegister,
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kInterpreterBytecodeArrayRegister, kInterpreterDispatchTableRegister};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void InterpreterPushArgsThenCallDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {
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r3, // argument count (not including receiver)
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r5, // address of first argument
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r4 // the target callable to be call
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};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void InterpreterPushArgsThenConstructDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {
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r3, // argument count (not including receiver)
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r6, // new target
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r4, // constructor to call
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r5, // allocation site feedback if available, undefined otherwise
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r7 // address of the first argument
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};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void ResumeGeneratorDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {
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r3, // the value to pass to the generator
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r4 // the JSGeneratorObject to resume
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};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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void FrameDropperTrampolineDescriptor::InitializePlatformSpecific(
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CallInterfaceDescriptorData* data) {
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Register registers[] = {
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r4, // loaded new FP
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};
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data->InitializePlatformSpecific(arraysize(registers), registers);
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}
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} // namespace internal
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} // namespace v8
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#endif // V8_TARGET_ARCH_PPC
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