Distinguish between ELF 32/64, little/big endian, in the type system of Binary.h

include/llvm/Object/ObjectFile.h

 //===- ObjectFile.h - File format independent object file -------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares a file format independent ObjectFile class.
@@ skipping 354 matching lines @@
   virtual StringRef getLoadName() const = 0;
 
   /// @returns Pointer to ObjectFile subclass to handle this type of object.
   /// @param ObjectPath The path to the object file. ObjectPath.isObject must
   ///        return true.
   /// @brief Create ObjectFile from path.
   static ObjectFile *createObjectFile(StringRef ObjectPath);
   static ObjectFile *createObjectFile(MemoryBuffer *Object);
 
   static inline bool classof(const Binary *v) {
-    return v->getType() >= isObject &&
-           v->getType() < lastObject;
+    return v->isObject();
   }
   static inline bool classof(const ObjectFile *v) { return true; }
 
 public:
   static ObjectFile *createCOFFObjectFile(MemoryBuffer *Object);
   static ObjectFile *createELFObjectFile(MemoryBuffer *Object);
   static ObjectFile *createMachOObjectFile(MemoryBuffer *Object);
 };
 
 // Inline function definitions.
@@ skipping 179 matching lines @@
 }
 
 inline error_code LibraryRef::getPath(StringRef &Result) const {
   return OwningObject->getLibraryPath(LibraryPimpl, Result);
 }
 
 } // end namespace object
 } // end namespace llvm
 
 #endif