MdePkg/Library/BasePeCoffLib/Arm/PeCoffLoaderEx.c

   1 /** @file
   2   Specific relocation fixups for ARM architecture.
   3
   4   Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
   5   Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   6   This program and the accompanying materials
   7   are licensed and made available under the terms and conditions of the BSD License
   8   which accompanies this distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php.
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #include "BasePeCoffLibInternals.h"
  17
  18
  19 /**
  20   Performs an ARM-based specific relocation fixup and is a no-op on other
  21   instruction sets.
  22
  23   @param  Reloc       The pointer to the relocation record.
  24   @param  Fixup       The pointer to the address to fix up.
  25   @param  FixupData   The pointer to a buffer to log the fixups.
  26   @param  Adjust      The offset to adjust the fixup.
  27
  28   @return Status code.
  29
  30 **/
  31 RETURN_STATUS
  32 PeCoffLoaderRelocateImageEx (
  33   IN UINT16      *Reloc,
  34   IN OUT CHAR8   *Fixup,
  35   IN OUT CHAR8   **FixupData,
  36   IN UINT64      Adjust
  37   )
  38 {
  39   return RETURN_UNSUPPORTED;
  40 }
  41
  42 /**
  43   Returns TRUE if the machine type of PE/COFF image is supported. Supported
  44   does not mean the image can be executed it means the PE/COFF loader supports
  45   loading and relocating of the image type. It's up to the caller to support
  46   the entry point.
  47
  48   The IA32/X64 version PE/COFF loader/relocater both support IA32, X64 and EBC images.
  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 == IMAGE_FILE_MACHINE_ARMTHUMB_MIXED) || (Machine ==  IMAGE_FILE_MACHINE_EBC)) {
  61     return TRUE;
  62   }
  63
  64   return FALSE;
  65 }
  66
  67 /**
  68   Performs an ARM-based specific re-relocation fixup and is a no-op on other
  69   instruction sets. This is used to re-relocated the image into the EFI virtual
  70   space for runtime calls.
  71
  72   @param  Reloc       The pointer to the relocation record.
  73   @param  Fixup       The pointer to the address to fix up.
  74   @param  FixupData   The pointer to a buffer to log the fixups.
  75   @param  Adjust      The offset to adjust the fixup.
  76
  77   @return Status code.
  78
  79 **/
  80 RETURN_STATUS
  81 PeHotRelocateImageEx (
  82   IN UINT16      *Reloc,
  83   IN OUT CHAR8   *Fixup,
  84   IN OUT CHAR8   **FixupData,
  85   IN UINT64      Adjust
  86   )
  87 {
  88   return RETURN_UNSUPPORTED;
  89 }
  90