Tools/Source/TianoTools/GenFvImage/X64/PeCoffLoaderEx.c

   1 /*++
   2
   3 Copyright 2005, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12
  13 Module Name:
  14
  15   PeCoffLoaderEx.c
  16
  17 Abstract:
  18
  19   x64 Specific relocation fixups
  20
  21 Revision History
  22
  23 --*/
  24
  25 #define EFI_SPECIFICATION_VERSION    0x00000000
  26 #define EDK_RELEASE_VERSION          0x00020000
  27 #include <Base.h>
  28 #include <Library/PeCoffLib.h>
  29 #include <Library/BaseMemoryLib.h>
  30
  31
  32
  33
  34 RETURN_STATUS
  35 PeCoffLoaderRelocateImageEx (
  36   IN UINT16      *Reloc,
  37   IN OUT CHAR8   *Fixup,
  38   IN OUT CHAR8   **FixupData,
  39   IN UINT64      Adjust
  40   )
  41 /*++
  42
  43 Routine Description:
  44   Performs an x64 specific relocation fixup
  45
  46 Arguments:
  47   Reloc      - Pointer to the relocation record
  48   Fixup      - Pointer to the address to fix up
  49   FixupData  - Pointer to a buffer to log the fixups
  50   Adjust     - The offset to adjust the fixup
  51
  52 Returns:
  53   None
  54
  55 --*/
  56 {
  57   UINT64      *F64;
  58
  59   switch ((*Reloc) >> 12) {
  60
  61     case EFI_IMAGE_REL_BASED_DIR64:
  62       F64 = (UINT64 *) Fixup;
  63       *F64 = *F64 + (UINT64) Adjust;
  64       if (*FixupData != NULL) {
  65         *FixupData = ALIGN_POINTER(*FixupData, sizeof(UINT64));
  66         *(UINT64 *)(*FixupData) = *F64;
  67         *FixupData = *FixupData + sizeof(UINT64);
  68       }
  69       break;
  70
  71     default:
  72       return RETURN_UNSUPPORTED;
  73   }
  74
  75   return RETURN_SUCCESS;
  76 }