MdePkg/Library/BasePeCoffLib/PeCoffLoaderEx.c

   1 /** @file
   2   Specific relocation fixups for none Itanium architecture.
   3
   4   Copyright (c) 2006 - 2008, Intel Corporation<BR>
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include "BasePeCoffLibInternals.h"
  16
  17
  18 /**
  19   Performs an IA-32 specific relocation fixup.
  20
  21   @param  Reloc       Pointer to the relocation record.
  22   @param  Fixup       Pointer to the address to fix up.
  23   @param  FixupData   Pointer to a buffer to log the fixups.
  24   @param  Adjust      The offset to adjust the fixup.
  25
  26   @retval EFI_UNSUPPORTED Unsupported now.
  27
  28 **/
  29 RETURN_STATUS
  30 PeCoffLoaderRelocateImageEx (
  31   IN UINT16      *Reloc,
  32   IN OUT CHAR8   *Fixup,
  33   IN OUT CHAR8   **FixupData,
  34   IN UINT64      Adjust
  35   )
  36 {
  37   return RETURN_UNSUPPORTED;
  38 }
  39
  40 /**
  41   Returns TRUE if the machine type of PE/COFF image is supported. Supported
  42   does not mean the image can be executed it means the PE/COFF loader supports
  43   loading and relocating of the image type. It's up to the caller to support
  44   the entry point.
  45
  46   This function implies the basic PE/COFF loader/relocator supports IA32, EBC,
  47   & x64 images. Calling the entry point in a correct mannor is up to the
  48   consumer of this library.
  49
  50   @param  Machine   Machine type from the PE Header.
  51
  52   @return TRUE if this PE/COFF loader can load the image
  53
  54 **/
  55 BOOLEAN
  56 PeCoffLoaderImageFormatSupported (
  57   IN  UINT16  Machine
  58   )
  59 {
  60   if ((Machine == EFI_IMAGE_MACHINE_IA32) || (Machine == EFI_IMAGE_MACHINE_X64) ||
  61       (Machine ==  EFI_IMAGE_MACHINE_EBC)) {
  62     return TRUE;
  63   }
  64
  65   return FALSE;
  66 }
  67
  68 /**
  69   Performs an Itanium-based specific re-relocation fixup and is a no-op on other
  70   instruction sets. This is used to re-relocated the image into the EFI virtual
  71   space for runtime calls.
  72
  73   @param  Reloc       Pointer to the relocation record.
  74   @param  Fixup       Pointer to the address to fix up.
  75   @param  FixupData   Pointer to a buffer to log the fixups.
  76   @param  Adjust      The offset to adjust the fixup.
  77
  78   @return Always return UNSUPPORTED.
  79
  80 **/
  81 RETURN_STATUS
  82 PeHotRelocateImageEx (
  83   IN UINT16      *Reloc,
  84   IN OUT CHAR8   *Fixup,
  85   IN OUT CHAR8   **FixupData,
  86   IN UINT64      Adjust
  87   )
  88 {
  89   return RETURN_UNSUPPORTED;
  90 }
  91