MdePkg/Include/Library/PeCoffGetEntryPointLib.h

   1 /** @file
   2   Provides a service to retrieve the PE/COFF entry point from a PE/COFF image.
   3
   4 Copyright (c) 2006 - 2008, Intel Corporation
   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 #ifndef __PE_COFF_GET_ENTRY_POINT_LIB_H__
  16 #define __PE_COFF_GET_ENTRY_POINT_LIB_H__
  17
  18 /**
  19   Retrieves and returns a pointer to the entry point to a PE/COFF image that has been loaded
  20   into system memory with the PE/COFF Loader Library functions.
  21
  22   Retrieves the entry point to the PE/COFF image specified by Pe32Data and returns this entry
  23   point in EntryPoint.  If the entry point could not be retrieved from the PE/COFF image, then
  24   return RETURN_INVALID_PARAMETER.  Otherwise return RETURN_SUCCESS.
  25   If Pe32Data is NULL, then ASSERT().
  26   If EntryPoint is NULL, then ASSERT().
  27
  28   @param  Pe32Data                  Pointer to the PE/COFF image that is loaded in system memory.
  29   @param  EntryPoint                Pointer to entry point to the PE/COFF image to return.
  30
  31   @retval RETURN_SUCCESS            EntryPoint was returned.
  32   @retval RETURN_INVALID_PARAMETER  The entry point could not be found in the PE/COFF image.
  33
  34 **/
  35 RETURN_STATUS
  36 EFIAPI
  37 PeCoffLoaderGetEntryPoint (
  38   IN  VOID  *Pe32Data,
  39   OUT VOID  **EntryPoint
  40   );
  41
  42 /**
  43   Returns the machine type of a PE/COFF image.
  44
  45   Returns the machine type from the PE/COFF image specified by Pe32Data.
  46   If Pe32Data is NULL, then ASSERT().
  47
  48   @param  Pe32Data   Pointer to the PE/COFF image that is loaded in system
  49                      memory.
  50
  51   @return Machine type or zero if not a valid iamge.
  52
  53 **/
  54 UINT16
  55 EFIAPI
  56 PeCoffLoaderGetMachineType (
  57   IN VOID  *Pe32Data
  58   );
  59
  60 /**
  61   Returns a pointer to the PDB file name for a PE/COFF image that has been
  62   loaded into system memory with the PE/COFF Loader Library functions.
  63
  64   Returns the PDB file name for the PE/COFF image specified by Pe32Data.  If
  65   the PE/COFF image specified by Pe32Data is not a valid, then NULL is
  66   returned.  If the PE/COFF image specified by Pe32Data does not contain a
  67   debug directory entry, then NULL is returned.  If the debug directory entry
  68   in the PE/COFF image specified by Pe32Data does not contain a PDB file name,
  69   then NULL is returned.
  70   If Pe32Data is NULL, then ASSERT().
  71
  72   @param  Pe32Data   Pointer to the PE/COFF image that is loaded in system
  73                      memory.
  74
  75   @return The PDB file name for the PE/COFF image specified by Pe32Data or NULL
  76           if it cannot be retrieved.
  77
  78 **/
  79 VOID *
  80 EFIAPI
  81 PeCoffLoaderGetPdbPointer (
  82   IN VOID  *Pe32Data
  83   );
  84
  85
  86 /**
  87   Returns the size of the PE/COFF headers
  88
  89   Returns the size of the PE/COFF header specified by Pe32Data.
  90   If Pe32Data is NULL, then ASSERT().
  91
  92   @param  Pe32Data   Pointer to the PE/COFF image that is loaded in system
  93                      memory.
  94
  95   @return Size of PE/COFF header in bytes or zero if not a valid iamge.
  96
  97 **/
  98 UINT32
  99 EFIAPI
 100 PeCoffGetSizeOfHeaders (
 101   IN VOID     *Pe32Data
 102   );
 103
 104 #endif