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diff --git a/contrib/llvm/lib/ExecutionEngine/MCJIT/MCJIT.h b/contrib/llvm/lib/ExecutionEngine/MCJIT/MCJIT.h
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+++ b/contrib/llvm/lib/ExecutionEngine/MCJIT/MCJIT.h
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+//===-- MCJIT.h - Class definition for the MCJIT ----------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_EXECUTIONENGINE_MCJIT_H
+#define LLVM_LIB_EXECUTIONENGINE_MCJIT_H
+
+#include "llvm/PassManager.h"
+#include "llvm/ExecutionEngine/ExecutionEngine.h"
+#include "llvm/ExecutionEngine/RuntimeDyld.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace llvm {
+
+// FIXME: This makes all kinds of horrible assumptions for the time being,
+// like only having one module, not needing to worry about multi-threading,
+// blah blah. Purely in get-it-up-and-limping mode for now.
+
+class MCJIT : public ExecutionEngine {
+  MCJIT(Module *M, TargetMachine *tm, TargetJITInfo &tji,
+        RTDyldMemoryManager *MemMgr, bool AllocateGVsWithCode);
+
+  TargetMachine *TM;
+  MCContext *Ctx;
+  RTDyldMemoryManager *MemMgr;
+  RuntimeDyld Dyld;
+
+  // FIXME: Add support for multiple modules
+  bool isCompiled;
+  Module *M;
+
+  // FIXME: Move these to a single container which manages JITed objects
+  SmallVector<char, 4096> Buffer; // Working buffer into which we JIT.
+  raw_svector_ostream OS;
+
+public:
+  ~MCJIT();
+
+  /// @name ExecutionEngine interface implementation
+  /// @{
+
+  virtual void *getPointerToBasicBlock(BasicBlock *BB);
+
+  virtual void *getPointerToFunction(Function *F);
+
+  virtual void *recompileAndRelinkFunction(Function *F);
+
+  virtual void freeMachineCodeForFunction(Function *F);
+
+  virtual GenericValue runFunction(Function *F,
+                                   const std::vector<GenericValue> &ArgValues);
+
+  /// getPointerToNamedFunction - This method returns the address of the
+  /// specified function by using the dlsym function call.  As such it is only
+  /// useful for resolving library symbols, not code generated symbols.
+  ///
+  /// If AbortOnFailure is false and no function with the given name is
+  /// found, this function silently returns a null pointer. Otherwise,
+  /// it prints a message to stderr and aborts.
+  ///
+  virtual void *getPointerToNamedFunction(const std::string &Name,
+                                          bool AbortOnFailure = true);
+
+  /// mapSectionAddress - map a section to its target address space value.
+  /// Map the address of a JIT section as returned from the memory manager
+  /// to the address in the target process as the running code will see it.
+  /// This is the address which will be used for relocation resolution.
+  virtual void mapSectionAddress(void *LocalAddress, uint64_t TargetAddress) {
+    Dyld.mapSectionAddress(LocalAddress, TargetAddress);
+  }
+
+  /// @}
+  /// @name (Private) Registration Interfaces
+  /// @{
+
+  static void Register() {
+    MCJITCtor = createJIT;
+  }
+
+  static ExecutionEngine *createJIT(Module *M,
+                                    std::string *ErrorStr,
+                                    JITMemoryManager *JMM,
+                                    bool GVsWithCode,
+                                    TargetMachine *TM);
+
+  // @}
+
+protected:
+  /// emitObject -- Generate a JITed object in memory from the specified module
+  /// Currently, MCJIT only supports a single module and the module passed to
+  /// this function call is expected to be the contained module.  The module
+  /// is passed as a parameter here to prepare for multiple module support in 
+  /// the future.
+  void emitObject(Module *M);
+};
+
+} // End llvm namespace
+
+#endif