1 /*++
2 
3 Copyright (c) 2004 - 2006, Intel Corporation. All rights reserved.<BR>
4 This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution.  The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
8 
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
11 
12 Module Name:
13 
14   BasePeCoffLibInternals.h
15 
16 Abstract:
17 
18   Header file for Base PeCoff Library
19 
20 --*/
21 
22 #ifndef __BASE_PECOFF_LIB_INTERNALS__
23 #define __BASE_PECOFF_LIB_INTERNALS__
24 
25 #include "EdkIIGlueBase.h"
26 
27 /**
28   Performs an Itanium-based specific relocation fixup and is a no-op on other
29   instruction sets.
30 
31   @param  Reloc       Pointer to the relocation record.
32   @param  Fixup       Pointer to the address to fix up.
33   @param  FixupData   Pointer to a buffer to log the fixups.
34   @param  Adjust      The offset to adjust the fixup.
35 
36   @return Status code.
37 
38 **/
39 RETURN_STATUS
40 GluePeCoffLoaderRelocateImageEx (
41   IN UINT16      *Reloc,
42   IN OUT CHAR8   *Fixup,
43   IN OUT CHAR8   **FixupData,
44   IN UINT64      Adjust
45   );
46 
47 
48 /**
49   Performs an Itanium-based specific re-relocation fixup and is a no-op on other
50   instruction sets. This is used to re-relocated the image into the EFI virtual
51   space for runtime calls.
52 
53   @param  Reloc       Pointer to the relocation record.
54   @param  Fixup       Pointer to the address to fix up.
55   @param  FixupData   Pointer to a buffer to log the fixups.
56   @param  Adjust      The offset to adjust the fixup.
57 
58   @return Status code.
59 
60 **/
61 RETURN_STATUS
62 GluePeHotRelocateImageEx (
63   IN UINT16      *Reloc,
64   IN OUT CHAR8   *Fixup,
65   IN OUT CHAR8   **FixupData,
66   IN UINT64      Adjust
67   );
68 
69 
70 /**
71   Returns TRUE if the machine type of PE/COFF image is supported. Supported
72   does not mean the image can be executed it means the PE/COFF loader supports
73   loading and relocating of the image type. It's up to the caller to support
74   the entry point.
75 
76   @param  Machine   Machine type from the PE Header.
77 
78   @return TRUE if this PE/COFF loader can load the image
79 
80 **/
81 BOOLEAN
82 PeCoffLoaderImageFormatSupported (
83   IN  UINT16  Machine
84   );
85 
86 /**
87   Retrieves the magic value from the PE/COFF header.
88 
89   @param  Hdr             The buffer in which to return the PE32, PE32+, or TE header.
90 
91   @return EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC - Image is PE32
92   @return EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC - Image is PE32+
93 
94 **/
95 UINT16
96 PeCoffLoaderGetPeHeaderMagicValue (
97   IN  EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION  Hdr
98   );
99 
100 /**
101   Retrieves the PE or TE Header from a PE/COFF or TE image.
102 
103   @param  ImageContext    The context of the image being loaded.
104   @param  Hdr             The buffer in which to return the PE32, PE32+, or TE header.
105 
106   @retval RETURN_SUCCESS  The PE or TE Header is read.
107   @retval Other           The error status from reading the PE/COFF or TE image using the ImageRead function.
108 
109 **/
110 RETURN_STATUS
111 PeCoffLoaderGetPeHeader (
112   IN OUT PE_COFF_LOADER_IMAGE_CONTEXT         *ImageContext,
113   OUT    EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION  Hdr
114   );
115 
116 /**
117   Converts an image address to the loaded address.
118 
119   @param  ImageContext  The context of the image being loaded.
120   @param  Address       The address to be converted to the loaded address.
121 
122   @return The converted address or NULL if the address can not be converted.
123 
124 **/
125 VOID *
126 PeCoffLoaderImageAddress (
127   IN OUT PE_COFF_LOADER_IMAGE_CONTEXT          *ImageContext,
128   IN     UINTN                                 Address
129   );
130 
131 #endif
132