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878ddf1f | 1 | /** @file\r |
24e25d11 | 2 | Memory Only PE COFF loader\r |
878ddf1f | 3 | \r |
24e25d11 | 4 | Copyright (c) 2006, Intel Corporation \r |
5 | All rights reserved. This program and the accompanying materials \r | |
6 | are licensed and made available under the terms and conditions of the BSD License \r | |
7 | which accompanies this distribution. The full text of the license may be found at \r | |
8 | http://opensource.org/licenses/bsd-license.php \r | |
878ddf1f | 9 | \r |
24e25d11 | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
878ddf1f | 12 | \r |
24e25d11 | 13 | Module Name: PeCoffLib.h\r |
878ddf1f | 14 | \r |
15 | **/\r | |
16 | \r | |
17 | #ifndef __BASE_PE_COFF_LIB_H__\r | |
18 | #define __BASE_PE_COFF_LIB_H__\r | |
19 | \r | |
20 | //\r | |
21 | // Return status codes from the PE/COFF Loader services\r | |
22 | // BUGBUG: Find where used and see if can be replaced by RETURN_STATUS codes\r | |
23 | //\r | |
24 | #define IMAGE_ERROR_SUCCESS 0\r | |
25 | #define IMAGE_ERROR_IMAGE_READ 1 \r | |
26 | #define IMAGE_ERROR_INVALID_PE_HEADER_SIGNATURE 2\r | |
27 | #define IMAGE_ERROR_INVALID_MACHINE_TYPE 3\r | |
28 | #define IMAGE_ERROR_INVALID_SUBSYSTEM 4\r | |
29 | #define IMAGE_ERROR_INVALID_IMAGE_ADDRESS 5\r | |
30 | #define IMAGE_ERROR_INVALID_IMAGE_SIZE 6\r | |
31 | #define IMAGE_ERROR_INVALID_SECTION_ALIGNMENT 7\r | |
32 | #define IMAGE_ERROR_SECTION_NOT_LOADED 8\r | |
33 | #define IMAGE_ERROR_FAILED_RELOCATION 9\r | |
34 | #define IMAGE_ERROR_FAILED_ICACHE_FLUSH 10\r | |
35 | \r | |
36 | \r | |
37 | //\r | |
38 | // PE/COFF Loader Read Function passed in by caller\r | |
39 | //\r | |
40 | typedef\r | |
41 | RETURN_STATUS\r | |
42 | (EFIAPI *PE_COFF_LOADER_READ_FILE) (\r | |
43 | IN VOID *FileHandle,\r | |
44 | IN UINTN FileOffset,\r | |
45 | IN OUT UINTN *ReadSize,\r | |
46 | OUT VOID *Buffer\r | |
47 | );\r | |
48 | \r | |
49 | //\r | |
50 | // Context structure used while PE/COFF image is being loaded and relocated\r | |
51 | //\r | |
52 | typedef struct {\r | |
53 | PHYSICAL_ADDRESS ImageAddress;\r | |
54 | UINT64 ImageSize;\r | |
55 | PHYSICAL_ADDRESS DestinationAddress;\r | |
56 | PHYSICAL_ADDRESS EntryPoint;\r | |
57 | PE_COFF_LOADER_READ_FILE ImageRead;\r | |
58 | VOID *Handle;\r | |
59 | VOID *FixupData;\r | |
60 | UINT32 SectionAlignment;\r | |
61 | UINT32 PeCoffHeaderOffset;\r | |
62 | UINT32 DebugDirectoryEntryRva;\r | |
63 | VOID *CodeView;\r | |
64 | CHAR8 *PdbPointer;\r | |
65 | UINTN SizeOfHeaders;\r | |
66 | UINT32 ImageCodeMemoryType;\r | |
67 | UINT32 ImageDataMemoryType;\r | |
68 | UINT32 ImageError;\r | |
69 | UINTN FixupDataSize;\r | |
70 | UINT16 Machine;\r | |
71 | UINT16 ImageType;\r | |
72 | BOOLEAN RelocationsStripped;\r | |
73 | BOOLEAN IsTeImage;\r | |
74 | } PE_COFF_LOADER_IMAGE_CONTEXT;\r | |
75 | \r | |
76 | \r | |
77 | /**\r | |
4ba61e5e | 78 | Retrieves information about a PE/COFF image.\r |
878ddf1f | 79 | \r |
4ba61e5e | 80 | Computes the PeCoffHeaderOffset, ImageAddress, ImageSize, DestinationAddress, CodeView,\r |
81 | PdbPointer, RelocationsStripped, SectionAlignment, SizeOfHeaders, and DebugDirectoryEntryRva\r | |
82 | fields of the ImageContext structure. If ImageContext is NULL, then return RETURN_INVALID_PARAMETER.\r | |
83 | If the PE/COFF image accessed through the ImageRead service in the ImageContext structure is not\r | |
84 | a supported PE/COFF image type, then return RETURN_UNSUPPORTED. If any errors occur while\r | |
85 | computing the fields of ImageContext, then the error status is returned in the ImageError field of\r | |
86 | ImageContext. \r | |
878ddf1f | 87 | \r |
4ba61e5e | 88 | @param ImageContext Pointer to the image context structure that describes the PE/COFF\r |
89 | image that needs to be examined by this function.\r | |
90 | \r | |
91 | @retval RETURN_SUCCESS The information on the PE/COFF image was collected.\r | |
92 | @retval RETURN_INVALID_PARAMETER ImageContext is NULL.\r | |
93 | @retval RETURN_UNSUPPORTED The PE/COFF image is not supported.\r | |
878ddf1f | 94 | \r |
95 | **/\r | |
96 | RETURN_STATUS\r | |
97 | EFIAPI\r | |
98 | PeCoffLoaderGetImageInfo (\r | |
99 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
100 | )\r | |
101 | ;\r | |
102 | \r | |
103 | /**\r | |
4ba61e5e | 104 | Applies relocation fixups to a PE/COFF image that was loaded with PeCoffLoaderLoadImage().\r |
105 | \r | |
106 | If the DestinationAddress field of ImageContext is 0, then use the ImageAddress field of\r | |
107 | ImageContext as the relocation base address. Otherwise, use the DestinationAddress field\r | |
108 | of ImageContext as the relocation base address. The caller must allocate the relocation\r | |
109 | fixup log buffer and fill in the FixupData field of ImageContext prior to calling this function. \r | |
110 | If ImageContext is NULL, then ASSERT().\r | |
878ddf1f | 111 | \r |
4ba61e5e | 112 | @param ImageContext Pointer to the image context structure that describes the PE/COFF\r |
113 | image that is being relocated.\r | |
878ddf1f | 114 | \r |
4ba61e5e | 115 | @retval RETURN_SUCCESS The PE/COFF image was relocated.\r |
116 | Extended status information is in the ImageError field of ImageContext.\r | |
117 | @retval RETURN_LOAD_ERROR The image in not a valid PE/COFF image.\r | |
118 | Extended status information is in the ImageError field of ImageContext.\r | |
119 | @retval RETURN_UNSUPPORTED A relocation record type is not supported.\r | |
120 | Extended status information is in the ImageError field of ImageContext.\r | |
878ddf1f | 121 | \r |
122 | **/\r | |
123 | RETURN_STATUS\r | |
124 | EFIAPI\r | |
125 | PeCoffLoaderRelocateImage (\r | |
126 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
127 | )\r | |
128 | ;\r | |
129 | \r | |
130 | /**\r | |
4ba61e5e | 131 | Loads a PE/COFF image into memory.\r |
132 | \r | |
133 | Loads the PE/COFF image accessed through the ImageRead service of ImageContext into the buffer\r | |
134 | specified by the ImageAddress and ImageSize fields of ImageContext. The caller must allocate\r | |
135 | the load buffer and fill in the ImageAddress and ImageSize fields prior to calling this function.\r | |
136 | The EntryPoint, FixupDataSize, CodeView, and PdbPointer fields of ImageContext are computed.\r | |
137 | If ImageContext is NULL, then ASSERT().\r | |
138 | \r | |
139 | @param ImageContext Pointer to the image context structure that describes the PE/COFF\r | |
140 | image that is being loaded.\r | |
141 | \r | |
142 | @retval RETURN_SUCCESS The PE/COFF image was loaded into the buffer specified by\r | |
143 | the ImageAddress and ImageSize fields of ImageContext.\r | |
144 | Extended status information is in the ImageError field of ImageContext.\r | |
145 | @retval RETURN_BUFFER_TOO_SMALL The caller did not provide a large enough buffer.\r | |
146 | Extended status information is in the ImageError field of ImageContext.\r | |
147 | @retval RETURN_LOAD_ERROR The PE/COFF image is an EFI Runtime image with no relocations.\r | |
148 | Extended status information is in the ImageError field of ImageContext.\r | |
149 | @retval RETURN_INVALID_PARAMETER The image address is invalid.\r | |
150 | Extended status information is in the ImageError field of ImageContext.\r | |
878ddf1f | 151 | \r |
152 | **/\r | |
153 | RETURN_STATUS\r | |
154 | EFIAPI\r | |
155 | PeCoffLoaderLoadImage (\r | |
156 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
157 | )\r | |
158 | ;\r | |
159 | \r | |
160 | #endif\r |