Preview of a first step towards unification of hydrogen calls

src/arm/code-stubs-arm.h

Index: src/arm/code-stubs-arm.h
diff --git a/src/arm/code-stubs-arm.h b/src/arm/code-stubs-arm.h
index 6156384f284dfb4691716482fbf367ab94aede19..9b21d6f667652db523646217d6b7b734a9f73086 100644
--- a/src/arm/code-stubs-arm.h
+++ b/src/arm/code-stubs-arm.h
@@ -480,6 +480,18 @@ class NameDictionaryLookupStub: public PlatformCodeStub {
 };
 
 
+struct PlatformCallInterfaceDescriptor {
+  explicit PlatformCallInterfaceDescriptor(
+      TargetAddressStorageMode storage_mode)
+      : storage_mode_(storage_mode) { }
+
+  TargetAddressStorageMode storage_mode() { return storage_mode_; }
+
+ private:
+  TargetAddressStorageMode storage_mode_;
+};
+
+
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_CODE_STUBS_ARM_H_