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diff --git a/MdePkg/Library/BasePeCoffLib/BasePeCoffLibInternals.h b/MdePkg/Library/BasePeCoffLib/BasePeCoffLibInternals.h
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+++ b/MdePkg/Library/BasePeCoffLib/BasePeCoffLibInternals.h
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+/** @file
+  Declaration of internal functions in PE/COFF Lib.
+
+  Copyright (c) 2006, Intel Corporation<BR>
+  All rights reserved. This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+  Module Name:  BasePeCoffLibInternals.h
+
+**/
+
+#ifndef __BASE_PECOFF_LIB_INTERNALS__
+#define __BASE_PECOFF_LIB_INTERNALS__
+
+//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+/**
+  Performs an Itanium-based specific relocation fixup and is a no-op on other
+  instruction sets.
+
+  @param  Reloc       Pointer to the relocation record.
+  @param  Fixup       Pointer to the address to fix up.
+  @param  FixupData   Pointer to a buffer to log the fixups.
+  @param  Adjust      The offset to adjust the fixup.
+
+  @return Status code.
+
+**/
+RETURN_STATUS
+PeCoffLoaderRelocateImageEx (
+  IN UINT16      *Reloc,
+  IN OUT CHAR8   *Fixup,
+  IN OUT CHAR8   **FixupData,
+  IN UINT64      Adjust
+  );
+
+
+/**
+  Performs an Itanium-based specific re-relocation fixup and is a no-op on other
+  instruction sets. This is used to re-relocated the image into the EFI virtual
+  space for runtime calls.
+
+  @param  Reloc       Pointer to the relocation record.
+  @param  Fixup       Pointer to the address to fix up.
+  @param  FixupData   Pointer to a buffer to log the fixups.
+  @param  Adjust      The offset to adjust the fixup.
+
+  @return Status code.
+
+**/
+RETURN_STATUS
+PeHotRelocateImageEx (
+  IN UINT16      *Reloc,
+  IN OUT CHAR8   *Fixup,
+  IN OUT CHAR8   **FixupData,
+  IN UINT64      Adjust
+  );
+
+
+/**
+  Returns TRUE if the machine type of PE/COFF image is supported. Supported
+  does not mean the image can be executed it means the PE/COFF loader supports
+  loading and relocating of the image type. It's up to the caller to support
+  the entry point.
+
+  @param  Machine   Machine type from the PE Header.
+
+  @return TRUE if this PE/COFF loader can load the image
+
+**/
+BOOLEAN
+PeCoffLoaderImageFormatSupported (
+  IN  UINT16  Machine
+  );
+
+/**
+  Retrieves the magic value from the PE/COFF header.
+
+  @param  Hdr             The buffer in which to return the PE32, PE32+, or TE header.
+
+  @return EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC - Image is PE32
+  @return EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC - Image is PE32+
+
+**/
+UINT16
+PeCoffLoaderGetPeHeaderMagicValue (
+  IN  EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION  Hdr
+  );
+
+/**
+  Retrieves the PE or TE Header from a PE/COFF or TE image.
+
+  @param  ImageContext    The context of the image being loaded.
+  @param  Hdr             The buffer in which to return the PE32, PE32+, or TE header.
+
+  @retval RETURN_SUCCESS  The PE or TE Header is read.
+  @retval Other           The error status from reading the PE/COFF or TE image using the ImageRead function.
+
+**/
+RETURN_STATUS
+PeCoffLoaderGetPeHeader (
+  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT         *ImageContext,
+  OUT    EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION  Hdr
+  );
+
+/**
+  Converts an image address to the loaded address.
+
+  @param  ImageContext  The context of the image being loaded.
+  @param  Address       The address to be converted to the loaded address.
+
+  @return The converted address or NULL if the address can not be converted.
+
+**/
+VOID *
+PeCoffLoaderImageAddress (
+  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT          *ImageContext,
+  IN     UINTN                                 Address
+  );
+
+#endif