[stubs] An easier way of defining a stub call interface descriptor.

src/interface-descriptors.cc

 // 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/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
 
 namespace {
@@ skipping 25 matching lines @@
   Zone* zone = isolate->interface_descriptor_zone();
   FunctionType* function =
       Type::Function(AnyTagged(zone), Type::Undefined(), parameter_count, zone)
           ->AsFunction();
   while (parameter_count-- != 0) {
     function->InitParameter(parameter_count, AnyTagged(zone));
   }
   return function;
 }
 
-
 void CallInterfaceDescriptorData::InitializePlatformSpecific(
-    int register_parameter_count, Register* registers,
+    int register_parameter_count, const Register* registers,
     PlatformInterfaceDescriptor* platform_descriptor) {
   platform_specific_descriptor_ = platform_descriptor;
   register_param_count_ = register_parameter_count;
 
   // InterfaceDescriptor owns a copy of the registers array.
   register_params_.Reset(NewArray<Register>(register_parameter_count));
   for (int i = 0; i < register_parameter_count; i++) {
     register_params_[i] = registers[i];
   }
 }
@@ skipping 124 matching lines @@
   Register registers[] = {LeftRegister(), RightRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 void TypeConversionDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {ArgumentRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
-void HasPropertyDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {KeyRegister(), ObjectRegister()};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
 void MathPowTaggedDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {exponent()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 void MathPowIntegerDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {exponent()};
@@ skipping 335 matching lines @@
       Type::Function(AnyTagged(zone), Type::Undefined(), 4, zone)->AsFunction();
   function->InitParameter(kAccumulatorParameter, AnyTagged(zone));
   function->InitParameter(kBytecodeOffsetParameter, UntaggedIntegral32(zone));
   function->InitParameter(kBytecodeArrayParameter, AnyTagged(zone));
   function->InitParameter(kDispatchTableParameter, AnyTagged(zone));
   return function;
 }
 
 }  // namespace internal
 }  // namespace v8