Initial import.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BasePeCoffLib/x64/PeCoffLoaderEx.c

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+/** @file
+  x64 Specific relocation fixups.
+
+  Copyright (c) 2006, Intel Corporation
+  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:  PeCoffLoaderEx.c
+
+**/
+
+
+
+
+/**
+  Performs an x64 specific relocation fixup.
+
+  @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
+PeCoffLoaderRelocateImageEx (
+  IN UINT16      *Reloc,
+  IN OUT CHAR8   *Fixup, 
+  IN OUT CHAR8   **FixupData,
+  IN UINT64      Adjust
+  )
+{
+  UINT64      *F64;
+
+  switch ((*Reloc) >> 12) {
+
+    case EFI_IMAGE_REL_BASED_DIR64:
+      F64 = (UINT64 *) Fixup;
+      *F64 = *F64 + (UINT64) Adjust;
+      if (*FixupData != NULL) {
+        *FixupData = ALIGN_POINTER(*FixupData, sizeof(UINT64));
+        *(UINT64 *)(*FixupData) = *F64;
+        *FixupData = *FixupData + sizeof(UINT64);
+      }
+      break;
+
+    default:
+      return RETURN_UNSUPPORTED;
+  }
+
+  return RETURN_SUCCESS;
+}