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diff --git a/lld/include/lld/ReaderWriter/WriterYAML.h b/lld/include/lld/ReaderWriter/WriterYAML.h
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+++ b/lld/include/lld/ReaderWriter/WriterYAML.h
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+//===- ReaderWriter/WriterYAML.h - YAML File Format Writing Interface -----===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLD_READERWRITER_WRITER_YAML_H_
+#define LLD_READERWRITER_WRITER_YAML_H_
+
+#include "lld/ReaderWriter/Writer.h"
+
+#include "lld/Core/LLVM.h"
+#include "lld/Core/Reference.h"
+#include "lld/Core/Pass.h"
+
+#include "llvm/ADT/StringRef.h"
+
+
+namespace lld {
+
+/// 
+/// The WriterOptionsYAML class encapsulates options needed 
+/// to process mach-o files.  You can create an WriterOptionsYAML 
+/// instance from command line arguments or by subclassing and setting the 
+/// instance variables in the subclass's constructor.
+///
+class WriterOptionsYAML : public WriterOptions {
+public:
+  virtual ~WriterOptionsYAML();
+
+  ///
+  /// Creates a Options object from darwin linker command line arguments.
+  /// FIXME: to be replaced with new option processing mechanism.
+  ///
+  WriterOptionsYAML(int argc, const char* argv[]);
+  
+  ///
+  /// Creates a Options object with default settings. For use when 
+  /// programmatically constructing options.
+  ///
+  WriterOptionsYAML();
+  
+  
+  /// Converts an in-memory reference kind value to a string.
+  /// Used when writing YAML encoded object files.
+  virtual StringRef kindToString(Reference::Kind) const = 0;
+
+
+  /// Enable Stubs pass to be run
+  virtual StubsPass *stubPass() const {
+    return nullptr;
+  }
+  
+  /// Enable GOT pass to be run
+  virtual GOTPass *gotPass() const {
+    return nullptr;
+  }
+  
+};
+ 
+
+
+
+///
+/// The only way to instantiate a WriterYAML object  
+/// is via this createWriterYAML function.  The is no public 
+/// WriterYAML class that you might be tempted to subclass.
+/// Support for all variants must be represented in the WriterOptionsYAML
+/// object.
+/// The Writer object created retains a reference to the 
+/// WriterOptionsYAML object supplied, so it must not be destroyed 
+/// before the Writer object. 
+///
+Writer* createWriterYAML(const WriterOptionsYAML &options);
+
+
+} // namespace lld
+
+#endif // LLD_READERWRITER_WRITER_YAML_H_