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