MdePkg/Library/BasePeCoffLib/Ia32/PeCoffLoaderEx.c

   1 /** @file
   2   IA-32 Specific relocation fixups.
   3
   4   Copyright (c) 2006, 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   Module Name:  PeCoffLoaderEx.c
  14
  15 **/
  16
  17
  18
  19
  20
  21 //
  22 // Include common header file for this module.
  23 //
  24 #include "CommonHeader.h"
  25
  26 /**
  27   Performs an IA-32 specific relocation fixup.
  28
  29   @param  Reloc       Pointer to the relocation record.
  30   @param  Fixup       Pointer to the address to fix up.
  31   @param  FixupData   Pointer to a buffer to log the fixups.
  32   @param  Adjust      The offset to adjust the fixup.
  33
  34   @retval EFI_UNSUPPORTED Unsupported now.
  35
  36 **/
  37 RETURN_STATUS
  38 PeCoffLoaderRelocateImageEx (
  39   IN UINT16      *Reloc,
  40   IN OUT CHAR8   *Fixup,
  41   IN OUT CHAR8   **FixupData,
  42   IN UINT64      Adjust
  43   )
  44 {
  45   return RETURN_UNSUPPORTED;
  46 }
  47
  48 /**
  49   Returns TRUE if the machine type of PE/COFF image is supported. Supported
  50   does not mean the image can be executed it means the PE/COFF loader supports
  51   loading and relocating of the image type. It's up to the caller to support
  52   the entry point.
  53
  54   This function implies the basic PE/COFF loader/relocator supports IA32, EBC,
  55   & X64 images. Calling the entry point in a correct mannor is up to the
  56   consumer of this library.
  57
  58   @param  Machine   Machine type from the PE Header.
  59
  60   @return TRUE if this PE/COFF loader can load the image
  61
  62 **/
  63 BOOLEAN
  64 PeCoffLoaderImageFormatSupported (
  65   IN  UINT16  Machine
  66   )
  67 {
  68   if ((Machine == EFI_IMAGE_MACHINE_IA32) || (Machine == EFI_IMAGE_MACHINE_X64) ||
  69       (Machine ==  EFI_IMAGE_MACHINE_EBC)) {
  70     return TRUE;
  71   }
  72
  73   return FALSE;
  74 }
  75
  76 /**
  77   Performs an Itanium-based specific re-relocation fixup and is a no-op on other
  78   instruction sets. This is used to re-relocated the image into the EFI virtual
  79   space for runtime calls.
  80
  81   @param  Reloc       Pointer to the relocation record.
  82   @param  Fixup       Pointer to the address to fix up.
  83   @param  FixupData   Pointer to a buffer to log the fixups.
  84   @param  Adjust      The offset to adjust the fixup.
  85
  86   @return Status code.
  87
  88 **/
  89 RETURN_STATUS
  90 PeHotRelocateImageEx (
  91   IN UINT16      *Reloc,
  92   IN OUT CHAR8   *Fixup,
  93   IN OUT CHAR8   **FixupData,
  94   IN UINT64      Adjust
  95   )
  96 {
  97   return RETURN_UNSUPPORTED;
  98 }
  99