Get CallInterfaceDescriptor directly from CodeStub.

src/compiler/linkage.cc

 // Copyright 2014 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/compiler/linkage.h"
 
 #include "src/code-stubs.h"
 #include "src/compiler.h"
 #include "src/compiler/node.h"
 #include "src/compiler/pipeline.h"
@@ skipping 33 matching lines @@
     // If we already have the function literal, use the number of parameters
     // plus the receiver.
     incoming_ = GetJSCallDescriptor(1 + info->function()->parameter_count());
   } else if (!info->closure().is_null()) {
     // If we are compiling a JS function, use a JS call descriptor,
     // plus the receiver.
     SharedFunctionInfo* shared = info->closure()->shared();
     incoming_ = GetJSCallDescriptor(1 + shared->formal_parameter_count());
   } else if (info->code_stub() != NULL) {
     // Use the code stub interface descriptor.
-    HydrogenCodeStub* stub = info->code_stub();
-    CodeStubInterfaceDescriptor descriptor(stub);
-    incoming_ = GetStubCallDescriptor(&descriptor);
+    CallInterfaceDescriptor descriptor =
+        info->code_stub()->GetCallInterfaceDescriptor();
+    incoming_ = GetStubCallDescriptor(descriptor);
   } else {
     incoming_ = NULL;  // TODO(titzer): ?
   }
 }
 
 
 FrameOffset Linkage::GetFrameOffset(int spill_slot, Frame* frame, int extra) {
   if (frame->GetSpillSlotCount() > 0 || incoming_->IsJSFunctionCall() ||
       incoming_->kind() == CallDescriptor::kCallAddress) {
     int offset;
@@ skipping 27 matching lines @@
 
 CallDescriptor* Linkage::GetRuntimeCallDescriptor(
     Runtime::FunctionId function, int parameter_count,
     Operator::Properties properties) {
   return GetRuntimeCallDescriptor(function, parameter_count, properties,
                                   this->info_->zone());
 }
 
 
 CallDescriptor* Linkage::GetStubCallDescriptor(
-    CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count,
+    CallInterfaceDescriptor descriptor, int stack_parameter_count,
     CallDescriptor::Flags flags) {
   return GetStubCallDescriptor(descriptor, stack_parameter_count, flags,
                                this->info_->zone());
 }
 
 
 // static
 bool Linkage::NeedsFrameState(Runtime::FunctionId function) {
   if (!FLAG_turbo_deoptimization) {
     return false;
@@ skipping 25 matching lines @@
 
 CallDescriptor* Linkage::GetRuntimeCallDescriptor(
     Runtime::FunctionId function, int parameter_count,
     Operator::Properties properties, Zone* zone) {
   UNIMPLEMENTED();
   return NULL;
 }
 
 
 CallDescriptor* Linkage::GetStubCallDescriptor(
-    CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count,
+    CallInterfaceDescriptor descriptor, int stack_parameter_count,
     CallDescriptor::Flags flags, Zone* zone) {
   UNIMPLEMENTED();
   return NULL;
 }
 
 
 CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
                                                   MachineSignature* sig) {
   UNIMPLEMENTED();
   return NULL;
 }
 #endif  // !V8_TURBOFAN_BACKEND
 }
 }
 }  // namespace v8::internal::compiler