Get CallInterfaceDescriptor directly from CodeStub.

src/interface-descriptors.h

 // 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.
 
 #ifndef V8_CALL_INTERFACE_DESCRIPTOR_H_
 #define V8_CALL_INTERFACE_DESCRIPTOR_H_
 
 #include "src/assembler.h"
 #include "src/macro-assembler.h"
 
@@ skipping 38 matching lines @@
 class CallInterfaceDescriptorData {
  public:
   CallInterfaceDescriptorData() : register_param_count_(-1) {}
 
   // A copy of the passed in registers and param_representations is made
   // and owned by the CallInterfaceDescriptorData.
 
   // TODO(mvstanton): Instead of taking parallel arrays register and
   // param_representations, how about a struct that puts the representation
   // and register side by side (eg, RegRep(r1, Representation::Tagged()).
-  // The same should go for the CodeStubInterfaceDescriptor class.
+  // The same should go for the CodeStubDescriptor class.
   void Initialize(int register_parameter_count, Register* registers,
                   Representation* param_representations,
                   PlatformInterfaceDescriptor* platform_descriptor = NULL);
 
   bool IsInitialized() const { return register_param_count_ >= 0; }
 
   int register_param_count() const { return register_param_count_; }
   Register register_param(int index) const { return register_params_[index]; }
   Register* register_params() const { return register_params_.get(); }
   Representation register_param_representation(int index) const {
@@ skipping 37 matching lines @@
 };
 
 
 class CallInterfaceDescriptor {
  public:
   CallInterfaceDescriptor() : data_(NULL) {}
 
   CallInterfaceDescriptor(Isolate* isolate, CallDescriptors::Key key)
       : data_(isolate->call_descriptor_data(key)) {}
 
-  bool IsInitialized() const {
-    return data() != NULL && data()->IsInitialized();
-  }
-
   int GetEnvironmentLength() const { return data()->register_param_count(); }
 
   int GetRegisterParameterCount() const {
     return data()->register_param_count();
   }
 
   Register GetParameterRegister(int index) const {
     return data()->register_param(index);
   }
 
@@ skipping 20 matching lines @@
     return GetParameterRepresentation(index + 1);
   }
 
   // Some platforms have extra information to associate with the descriptor.
   PlatformInterfaceDescriptor* platform_specific_descriptor() const {
     return data()->platform_specific_descriptor();
   }
 
   static const Register ContextRegister();
 
+  const char* DebugName(Isolate* isolate);
+
  protected:
   const CallInterfaceDescriptorData* data() const { return data_; }
 
  private:
   const CallInterfaceDescriptorData* data_;
 };
 
 
 #define DECLARE_DESCRIPTOR(name)                                              \
   explicit name(Isolate* isolate) : CallInterfaceDescriptor(isolate, key()) { \
@@ skipping 234 matching lines @@
 }  // namespace v8::internal
 
 
 #if V8_TARGET_ARCH_ARM64
 #include "src/arm64/interface-descriptors-arm64.h"
 #elif V8_TARGET_ARCH_ARM
 #include "src/arm/interface-descriptors-arm.h"
 #endif
 
 #endif  // V8_CALL_INTERFACE_DESCRIPTOR_H_