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3eb9473e | 1 | /*++\r |
2 | \r | |
4ac4deb7 | 3 | Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved.<BR>\r |
4ea9375a | 4 | This program and the accompanying materials \r |
3eb9473e | 5 | are licensed and made available under the terms and conditions of the BSD License \r |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | PeCoffLoader.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Tiano PE/COFF loader \r | |
19 | \r | |
20 | Revision History\r | |
21 | \r | |
22 | --*/\r | |
23 | \r | |
24 | #include "Tiano.h"\r | |
25 | #include "Pei.h"\r | |
26 | #include "PeiLib.h"\r | |
27 | #include "PeCoffLoaderEx.h"\r | |
28 | \r | |
29 | #ifdef EFI_NT_EMULATOR\r | |
30 | #include "peilib.h"\r | |
31 | #include "EfiHobLib.h"\r | |
32 | #include EFI_PPI_DEFINITION (NtLoadAsDll)\r | |
33 | #endif\r | |
34 | \r | |
35 | STATIC\r | |
36 | EFI_STATUS\r | |
37 | PeCoffLoaderGetPeHeader (\r | |
38 | IN OUT EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,\r | |
39 | OUT EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr\r | |
40 | );\r | |
41 | \r | |
42 | STATIC\r | |
43 | VOID*\r | |
44 | PeCoffLoaderImageAddress (\r | |
45 | IN OUT EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,\r | |
46 | IN UINTN Address\r | |
47 | );\r | |
48 | \r | |
49 | EFI_STATUS\r | |
50 | EFIAPI\r | |
51 | PeCoffLoaderGetImageInfo (\r | |
52 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This,\r | |
53 | IN OUT EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
54 | );\r | |
55 | \r | |
56 | EFI_STATUS\r | |
57 | EFIAPI\r | |
58 | PeCoffLoaderRelocateImage (\r | |
59 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This,\r | |
60 | IN OUT EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
61 | );\r | |
62 | \r | |
63 | EFI_STATUS\r | |
64 | EFIAPI\r | |
65 | PeCoffLoaderLoadImage (\r | |
66 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This,\r | |
67 | IN OUT EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
68 | );\r | |
69 | \r | |
70 | EFI_STATUS\r | |
71 | EFIAPI\r | |
72 | PeCoffLoaderUnloadImage (\r | |
3e99020d | 73 | IN EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r |
3eb9473e | 74 | );\r |
75 | \r | |
76 | #if defined (EFI_DEBUG_ITP_BREAK) && !defined (_CONSOLE)\r | |
77 | VOID\r | |
78 | AsmEfiSetBreakSupport (\r | |
79 | IN UINTN LoadAddr\r | |
80 | );\r | |
81 | #endif\r | |
82 | \r | |
83 | EFI_PEI_PE_COFF_LOADER_PROTOCOL mPeCoffLoader = {\r | |
84 | PeCoffLoaderGetImageInfo,\r | |
85 | PeCoffLoaderLoadImage,\r | |
86 | PeCoffLoaderRelocateImage,\r | |
87 | PeCoffLoaderUnloadImage\r | |
88 | };\r | |
89 | \r | |
90 | #ifdef EFI_NT_EMULATOR\r | |
91 | EFI_NT_LOAD_AS_DLL_PPI *mPeCoffLoaderWinNtLoadAsDll = NULL;\r | |
92 | #endif\r | |
93 | \r | |
94 | EFI_STATUS\r | |
95 | InstallEfiPeiPeCoffLoader (\r | |
96 | IN EFI_PEI_SERVICES **PeiServices,\r | |
97 | IN OUT EFI_PEI_PE_COFF_LOADER_PROTOCOL **This,\r | |
98 | IN EFI_PEI_PPI_DESCRIPTOR *ThisPpi\r | |
99 | )\r | |
100 | /*++\r | |
101 | \r | |
102 | Routine Description:\r | |
103 | \r | |
104 | Install PE/COFF loader PPI\r | |
105 | \r | |
106 | Arguments:\r | |
107 | \r | |
108 | PeiServices - General purpose services available to every PEIM\r | |
109 | \r | |
110 | This - Pointer to get Pei PE coff loader protocol as output\r | |
111 | \r | |
112 | ThisPpi - Passed in as EFI_NT_LOAD_AS_DLL_PPI on NT_EMULATOR platform\r | |
113 | \r | |
114 | Returns:\r | |
115 | \r | |
116 | EFI_SUCCESS\r | |
117 | \r | |
118 | --*/\r | |
119 | {\r | |
120 | EFI_STATUS Status;\r | |
121 | \r | |
122 | Status = EFI_SUCCESS;\r | |
123 | \r | |
124 | #ifdef EFI_NT_EMULATOR\r | |
125 | //\r | |
126 | // For use by PEI Core and Modules\r | |
127 | //\r | |
128 | if (NULL != PeiServices) {\r | |
129 | Status = (**PeiServices).LocatePpi (\r | |
130 | PeiServices,\r | |
131 | &gEfiNtLoadAsDllPpiGuid,\r | |
132 | 0,\r | |
133 | NULL,\r | |
134 | &mPeCoffLoaderWinNtLoadAsDll\r | |
135 | );\r | |
136 | } else {\r | |
137 | //\r | |
138 | // Now in SecMain or ERM usage, bind appropriately\r | |
139 | //\r | |
140 | PEI_ASSERT (PeiServices, (NULL != ThisPpi));\r | |
141 | \r | |
142 | mPeCoffLoaderWinNtLoadAsDll = (EFI_NT_LOAD_AS_DLL_PPI *) ThisPpi;\r | |
143 | PEI_ASSERT (PeiServices, (NULL != mPeCoffLoaderWinNtLoadAsDll));\r | |
144 | }\r | |
145 | #endif\r | |
146 | \r | |
147 | if (NULL != This) {\r | |
148 | *This = &mPeCoffLoader;\r | |
149 | }\r | |
150 | \r | |
151 | return Status;\r | |
152 | }\r | |
153 | \r | |
154 | STATIC\r | |
155 | EFI_STATUS\r | |
156 | PeCoffLoaderGetPeHeader (\r | |
157 | IN OUT EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,\r | |
158 | OUT EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr\r | |
159 | )\r | |
160 | /*++\r | |
161 | \r | |
162 | Routine Description:\r | |
163 | \r | |
164 | Retrieves the PE or TE Header from a PE/COFF or TE image\r | |
165 | \r | |
166 | Arguments:\r | |
167 | \r | |
168 | ImageContext - The context of the image being loaded\r | |
169 | \r | |
170 | PeHdr - The buffer in which to return the PE32, PE32+, or TE header\r | |
171 | \r | |
172 | Returns:\r | |
173 | \r | |
174 | EFI_SUCCESS if the PE or TE Header is read, \r | |
175 | Otherwise, the error status from reading the PE/COFF or TE image using the ImageRead function.\r | |
176 | \r | |
177 | --*/\r | |
178 | {\r | |
179 | EFI_STATUS Status;\r | |
180 | EFI_IMAGE_DOS_HEADER DosHdr;\r | |
181 | UINTN Size;\r | |
182 | UINT16 Magic;\r | |
183 | \r | |
184 | //\r | |
185 | // Read the DOS image header to check for it's existance\r | |
186 | //\r | |
187 | Size = sizeof (EFI_IMAGE_DOS_HEADER);\r | |
188 | Status = ImageContext->ImageRead (\r | |
189 | ImageContext->Handle,\r | |
190 | 0,\r | |
191 | &Size,\r | |
192 | &DosHdr\r | |
193 | );\r | |
194 | if (EFI_ERROR (Status)) {\r | |
195 | ImageContext->ImageError = EFI_IMAGE_ERROR_IMAGE_READ;\r | |
196 | return Status;\r | |
197 | }\r | |
198 | \r | |
199 | ImageContext->PeCoffHeaderOffset = 0;\r | |
200 | if (DosHdr.e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r | |
201 | //\r | |
202 | // DOS image header is present, so read the PE header after the DOS image \r | |
203 | // header\r | |
204 | //\r | |
205 | ImageContext->PeCoffHeaderOffset = DosHdr.e_lfanew;\r | |
206 | }\r | |
207 | \r | |
208 | //\r | |
209 | // Read the PE/COFF Header. For PE32 (32-bit) this will read in too much \r | |
210 | // data, but that should not hurt anythine. Hdr.Pe32->OptionalHeader.Magic\r | |
211 | // determins if this is a PE32 or PE32+ image. The magic is in the same \r | |
212 | // location in both images.\r | |
213 | //\r | |
214 | Size = sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION);\r | |
215 | Status = ImageContext->ImageRead (\r | |
216 | ImageContext->Handle,\r | |
217 | ImageContext->PeCoffHeaderOffset,\r | |
218 | &Size,\r | |
219 | Hdr.Pe32\r | |
220 | );\r | |
221 | if (EFI_ERROR (Status)) {\r | |
222 | ImageContext->ImageError = EFI_IMAGE_ERROR_IMAGE_READ;\r | |
223 | return Status;\r | |
224 | }\r | |
225 | \r | |
226 | //\r | |
227 | // Use Signature to figure out if we understand the image format\r | |
228 | //\r | |
229 | if (Hdr.Te->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {\r | |
230 | ImageContext->IsTeImage = TRUE;\r | |
231 | ImageContext->Machine = Hdr.Te->Machine;\r | |
232 | ImageContext->ImageType = (UINT16)(Hdr.Te->Subsystem);\r | |
233 | ImageContext->ImageSize = 0;\r | |
234 | ImageContext->SectionAlignment = 4096;\r | |
235 | ImageContext->SizeOfHeaders = sizeof (EFI_TE_IMAGE_HEADER) + (UINTN)Hdr.Te->BaseOfCode - (UINTN)Hdr.Te->StrippedSize;\r | |
236 | \r | |
237 | } else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {\r | |
238 | ImageContext->IsTeImage = FALSE;\r | |
239 | ImageContext->Machine = Hdr.Pe32->FileHeader.Machine;\r | |
240 | \r | |
241 | //\r | |
242 | // NOTE: We use Machine to identify PE32/PE32+, instead of Magic.\r | |
243 | // It is for backward-compatibility consideration, because\r | |
244 | // some system will generate PE32+ image with PE32 Magic.\r | |
245 | //\r | |
246 | if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32) {\r | |
247 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;\r | |
248 | } else if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64) {\r | |
249 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
250 | } else if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64) {\r | |
251 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
252 | } else {\r | |
253 | Magic = Hdr.Pe32->OptionalHeader.Magic;\r | |
254 | }\r | |
255 | \r | |
256 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC ||\r | |
257 | Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {\r | |
258 | //\r | |
259 | // PE32 and PE32+ have the same offset for these fields.\r | |
260 | // We use PE32 for both PE32 and PE32+ headers here.\r | |
261 | //\r | |
262 | ImageContext->ImageType = Hdr.Pe32->OptionalHeader.Subsystem;\r | |
263 | ImageContext->ImageSize = (UINT64)Hdr.Pe32->OptionalHeader.SizeOfImage;\r | |
264 | ImageContext->SectionAlignment = Hdr.Pe32->OptionalHeader.SectionAlignment;\r | |
265 | ImageContext->SizeOfHeaders = Hdr.Pe32->OptionalHeader.SizeOfHeaders;\r | |
266 | \r | |
267 | } else {\r | |
268 | ImageContext->ImageError = EFI_IMAGE_ERROR_INVALID_MACHINE_TYPE;\r | |
269 | return EFI_UNSUPPORTED; \r | |
270 | }\r | |
271 | } else {\r | |
272 | ImageContext->ImageError = EFI_IMAGE_ERROR_INVALID_MACHINE_TYPE;\r | |
273 | return EFI_UNSUPPORTED;\r | |
274 | }\r | |
275 | \r | |
276 | if (!PeCoffLoaderImageFormatSupported (ImageContext->Machine)) {\r | |
277 | //\r | |
278 | // If the PE/COFF loader does not support the image type return\r | |
279 | // unsupported. This library can suport lots of types of images\r | |
280 | // this does not mean the user of this library can call the entry\r | |
281 | // point of the image. \r | |
282 | //\r | |
283 | return EFI_UNSUPPORTED;\r | |
284 | }\r | |
285 | \r | |
286 | return EFI_SUCCESS;\r | |
287 | }\r | |
288 | \r | |
289 | STATIC\r | |
290 | EFI_STATUS\r | |
291 | PeCoffLoaderCheckImageType (\r | |
292 | IN OUT EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
293 | )\r | |
294 | /*++\r | |
295 | \r | |
296 | Routine Description:\r | |
297 | \r | |
298 | Checks the PE or TE header of a PE/COFF or TE image to determine if it supported\r | |
299 | \r | |
300 | Arguments:\r | |
301 | \r | |
302 | ImageContext - The context of the image being loaded\r | |
303 | \r | |
304 | Returns:\r | |
305 | \r | |
306 | EFI_SUCCESS if the PE/COFF or TE image is supported\r | |
307 | EFI_UNSUPPORTED of the PE/COFF or TE image is not supported.\r | |
308 | \r | |
309 | --*/\r | |
310 | {\r | |
311 | switch (ImageContext->ImageType) {\r | |
312 | \r | |
313 | case EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION:\r | |
314 | ImageContext->ImageCodeMemoryType = EfiLoaderCode;\r | |
315 | ImageContext->ImageDataMemoryType = EfiLoaderData;\r | |
316 | break;\r | |
317 | \r | |
318 | case EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:\r | |
319 | ImageContext->ImageCodeMemoryType = EfiBootServicesCode;\r | |
320 | ImageContext->ImageDataMemoryType = EfiBootServicesData;\r | |
321 | break;\r | |
322 | \r | |
323 | case EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:\r | |
324 | case EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER:\r | |
325 | ImageContext->ImageCodeMemoryType = EfiRuntimeServicesCode;\r | |
326 | ImageContext->ImageDataMemoryType = EfiRuntimeServicesData;\r | |
327 | break;\r | |
328 | \r | |
329 | default:\r | |
330 | ImageContext->ImageError = EFI_IMAGE_ERROR_INVALID_SUBSYSTEM;\r | |
331 | return EFI_UNSUPPORTED;\r | |
332 | }\r | |
333 | \r | |
334 | return EFI_SUCCESS;\r | |
335 | }\r | |
336 | \r | |
337 | EFI_STATUS\r | |
338 | EFIAPI\r | |
339 | PeCoffLoaderGetImageInfo (\r | |
340 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This,\r | |
341 | IN OUT EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
342 | )\r | |
343 | /*++\r | |
344 | \r | |
345 | Routine Description:\r | |
346 | \r | |
347 | Retrieves information on a PE/COFF image\r | |
348 | \r | |
349 | Arguments:\r | |
350 | \r | |
351 | This - Calling context\r | |
352 | \r | |
353 | ImageContext - The context of the image being loaded\r | |
354 | \r | |
355 | Returns:\r | |
356 | \r | |
357 | EFI_SUCCESS if the information on the PE/COFF image was collected.\r | |
358 | EFI_UNSUPPORTED of the PE/COFF image is not supported.\r | |
359 | Otherwise, the error status from reading the PE/COFF image using the \r | |
360 | ImageContext->ImageRead() function\r | |
361 | \r | |
362 | EFI_INVALID_PARAMETER - ImageContext is NULL.\r | |
363 | \r | |
364 | --*/\r | |
365 | {\r | |
366 | EFI_STATUS Status;\r | |
367 | EFI_IMAGE_OPTIONAL_HEADER_UNION HdrData;\r | |
368 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r | |
369 | EFI_IMAGE_DATA_DIRECTORY *DebugDirectoryEntry;\r | |
370 | UINTN Size;\r | |
371 | UINTN Index;\r | |
372 | UINTN DebugDirectoryEntryRva;\r | |
373 | UINTN DebugDirectoryEntryFileOffset;\r | |
374 | UINTN SectionHeaderOffset;\r | |
375 | EFI_IMAGE_SECTION_HEADER SectionHeader;\r | |
376 | EFI_IMAGE_DEBUG_DIRECTORY_ENTRY DebugEntry;\r | |
377 | UINT32 NumberOfRvaAndSizes;\r | |
378 | UINT16 Magic;\r | |
379 | \r | |
380 | if (NULL == ImageContext) {\r | |
381 | return EFI_INVALID_PARAMETER;\r | |
382 | }\r | |
383 | \r | |
384 | //\r | |
385 | // Assume success\r | |
386 | //\r | |
387 | ImageContext->ImageError = EFI_IMAGE_ERROR_SUCCESS;\r | |
388 | \r | |
389 | Hdr.Union = &HdrData;\r | |
390 | Status = PeCoffLoaderGetPeHeader (ImageContext, Hdr);\r | |
391 | if (EFI_ERROR (Status)) {\r | |
392 | return Status;\r | |
393 | }\r | |
394 | \r | |
395 | //\r | |
396 | // Verify machine type\r | |
397 | //\r | |
398 | Status = PeCoffLoaderCheckImageType (ImageContext);\r | |
399 | if (EFI_ERROR (Status)) {\r | |
400 | return Status;\r | |
401 | }\r | |
402 | \r | |
403 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;\r | |
404 | \r | |
405 | //\r | |
406 | // Retrieve the base address of the image\r | |
407 | //\r | |
408 | if (!(ImageContext->IsTeImage)) {\r | |
409 | \r | |
410 | //\r | |
411 | // NOTE: We use Machine to identify PE32/PE32+, instead of Magic.\r | |
412 | // It is for backward-compatibility consideration, because\r | |
413 | // some system will generate PE32+ image with PE32 Magic.\r | |
414 | //\r | |
415 | if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32) {\r | |
416 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;\r | |
417 | } else if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64) {\r | |
418 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
419 | } else if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64) {\r | |
420 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
421 | } else {\r | |
422 | Magic = Hdr.Pe32->OptionalHeader.Magic;\r | |
423 | }\r | |
424 | \r | |
425 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
426 | //\r | |
427 | // Use PE32 offset\r | |
428 | //\r | |
429 | ImageContext->ImageAddress = Hdr.Pe32->OptionalHeader.ImageBase;\r | |
430 | } else {\r | |
431 | //\r | |
432 | // Use PE32+ offset\r | |
433 | //\r | |
434 | ImageContext->ImageAddress = Hdr.Pe32Plus->OptionalHeader.ImageBase;\r | |
435 | }\r | |
436 | } else {\r | |
c7f33ca4 | 437 | ImageContext->ImageAddress = (EFI_PHYSICAL_ADDRESS)(Hdr.Te->ImageBase + Hdr.Te->StrippedSize - sizeof (EFI_TE_IMAGE_HEADER));\r |
3eb9473e | 438 | }\r |
439 | \r | |
440 | //\r | |
441 | // Initialize the alternate destination address to 0 indicating that it\r | |
442 | // should not be used.\r | |
443 | //\r | |
444 | ImageContext->DestinationAddress = 0;\r | |
445 | \r | |
446 | //\r | |
447 | // Initialize the codeview pointer.\r | |
448 | //\r | |
449 | ImageContext->CodeView = NULL;\r | |
450 | ImageContext->PdbPointer = NULL;\r | |
451 | \r | |
452 | //\r | |
453 | // Three cases with regards to relocations:\r | |
454 | // - Image has base relocs, RELOCS_STRIPPED==0 => image is relocatable\r | |
455 | // - Image has no base relocs, RELOCS_STRIPPED==1 => Image is not relocatable\r | |
456 | // - Image has no base relocs, RELOCS_STRIPPED==0 => Image is relocatable but\r | |
457 | // has no base relocs to apply\r | |
458 | // Obviously having base relocations with RELOCS_STRIPPED==1 is invalid.\r | |
459 | //\r | |
460 | // Look at the file header to determine if relocations have been stripped, and\r | |
461 | // save this info in the image context for later use.\r | |
462 | //\r | |
463 | if ((!(ImageContext->IsTeImage)) && ((Hdr.Pe32->FileHeader.Characteristics & EFI_IMAGE_FILE_RELOCS_STRIPPED) != 0)) {\r | |
464 | ImageContext->RelocationsStripped = TRUE;\r | |
465 | } else {\r | |
466 | ImageContext->RelocationsStripped = FALSE;\r | |
467 | }\r | |
468 | \r | |
469 | if (!(ImageContext->IsTeImage)) {\r | |
470 | //\r | |
471 | // Use PE32 to access fields that have same offset in PE32 and PE32+\r | |
472 | //\r | |
473 | ImageContext->ImageSize = (UINT64) Hdr.Pe32->OptionalHeader.SizeOfImage;\r | |
474 | ImageContext->SectionAlignment = Hdr.Pe32->OptionalHeader.SectionAlignment;\r | |
475 | ImageContext->SizeOfHeaders = Hdr.Pe32->OptionalHeader.SizeOfHeaders;\r | |
476 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
477 | // \r | |
478 | // Use PE32 offset\r | |
479 | //\r | |
480 | NumberOfRvaAndSizes = Hdr.Pe32->OptionalHeader.NumberOfRvaAndSizes;\r | |
481 | DebugDirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);\r | |
482 | } else {\r | |
483 | // \r | |
484 | // Use PE32+ offset\r | |
485 | //\r | |
486 | NumberOfRvaAndSizes = Hdr.Pe32Plus->OptionalHeader.NumberOfRvaAndSizes;\r | |
487 | DebugDirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);\r | |
488 | } \r | |
489 | \r | |
490 | if (NumberOfRvaAndSizes > EFI_IMAGE_DIRECTORY_ENTRY_DEBUG) {\r | |
491 | \r | |
492 | DebugDirectoryEntryRva = DebugDirectoryEntry->VirtualAddress;\r | |
493 | \r | |
494 | //\r | |
495 | // Determine the file offset of the debug directory... This means we walk\r | |
496 | // the sections to find which section contains the RVA of the debug\r | |
497 | // directory\r | |
498 | //\r | |
499 | DebugDirectoryEntryFileOffset = 0;\r | |
500 | \r | |
501 | SectionHeaderOffset = (UINTN)(\r | |
502 | ImageContext->PeCoffHeaderOffset +\r | |
503 | sizeof (UINT32) + \r | |
504 | sizeof (EFI_IMAGE_FILE_HEADER) + \r | |
505 | Hdr.Pe32->FileHeader.SizeOfOptionalHeader\r | |
506 | );\r | |
507 | \r | |
508 | for (Index = 0; Index < Hdr.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
509 | //\r | |
510 | // Read section header from file\r | |
511 | //\r | |
512 | Size = sizeof (EFI_IMAGE_SECTION_HEADER);\r | |
513 | Status = ImageContext->ImageRead (\r | |
514 | ImageContext->Handle,\r | |
515 | SectionHeaderOffset,\r | |
516 | &Size,\r | |
517 | &SectionHeader\r | |
518 | );\r | |
519 | if (EFI_ERROR (Status)) {\r | |
520 | ImageContext->ImageError = EFI_IMAGE_ERROR_IMAGE_READ;\r | |
521 | return Status;\r | |
522 | }\r | |
523 | \r | |
524 | if (DebugDirectoryEntryRva >= SectionHeader.VirtualAddress &&\r | |
525 | DebugDirectoryEntryRva < SectionHeader.VirtualAddress + SectionHeader.Misc.VirtualSize) {\r | |
526 | \r | |
527 | DebugDirectoryEntryFileOffset = DebugDirectoryEntryRva - SectionHeader.VirtualAddress + SectionHeader.PointerToRawData;\r | |
528 | break;\r | |
529 | }\r | |
530 | \r | |
531 | SectionHeaderOffset += sizeof (EFI_IMAGE_SECTION_HEADER);\r | |
532 | }\r | |
533 | \r | |
534 | if (DebugDirectoryEntryFileOffset != 0) {\r | |
535 | for (Index = 0; Index < DebugDirectoryEntry->Size; Index++) {\r | |
536 | //\r | |
537 | // Read next debug directory entry\r | |
538 | //\r | |
539 | Size = sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);\r | |
540 | Status = ImageContext->ImageRead (\r | |
541 | ImageContext->Handle,\r | |
542 | DebugDirectoryEntryFileOffset,\r | |
543 | &Size,\r | |
544 | &DebugEntry\r | |
545 | );\r | |
546 | if (EFI_ERROR (Status)) {\r | |
547 | ImageContext->ImageError = EFI_IMAGE_ERROR_IMAGE_READ;\r | |
548 | return Status;\r | |
549 | }\r | |
550 | \r | |
551 | if (DebugEntry.Type == EFI_IMAGE_DEBUG_TYPE_CODEVIEW) {\r | |
552 | ImageContext->DebugDirectoryEntryRva = (UINT32) (DebugDirectoryEntryRva + Index * sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY));\r | |
553 | if (DebugEntry.RVA == 0 && DebugEntry.FileOffset != 0) {\r | |
554 | ImageContext->ImageSize += DebugEntry.SizeOfData;\r | |
555 | }\r | |
556 | \r | |
557 | return EFI_SUCCESS;\r | |
558 | }\r | |
559 | }\r | |
560 | }\r | |
561 | }\r | |
562 | } else {\r | |
563 | //\r | |
564 | // Because Te image only extracts base relocations and debug directory entries from\r | |
565 | // Pe image and in Te image header there is not a field to describe the imagesize,\r | |
566 | // we use the largest VirtualAddress plus Size in each directory entry to describe the imagesize\r | |
567 | //\r | |
3e99020d LG |
568 | ImageContext->ImageSize = (UINT64) (Hdr.Te->DataDirectory[0].VirtualAddress + Hdr.Te->DataDirectory[0].Size);\r |
569 | if(Hdr.Te->DataDirectory[1].VirtualAddress > Hdr.Te->DataDirectory[0].VirtualAddress) {\r | |
570 | ImageContext->ImageSize = (UINT64) (Hdr.Te->DataDirectory[1].VirtualAddress + Hdr.Te->DataDirectory[1].Size);\r | |
571 | }\r | |
3eb9473e | 572 | ImageContext->SectionAlignment = 4096;\r |
573 | ImageContext->SizeOfHeaders = sizeof (EFI_TE_IMAGE_HEADER) + (UINTN) Hdr.Te->BaseOfCode - (UINTN) Hdr.Te->StrippedSize;\r | |
574 | \r | |
575 | DebugDirectoryEntry = &Hdr.Te->DataDirectory[1];\r | |
576 | DebugDirectoryEntryRva = DebugDirectoryEntry->VirtualAddress;\r | |
577 | SectionHeaderOffset = (UINTN)(sizeof (EFI_TE_IMAGE_HEADER));\r | |
578 | \r | |
579 | DebugDirectoryEntryFileOffset = 0;\r | |
580 | \r | |
581 | for (Index = 0; Index < Hdr.Te->NumberOfSections; Index++) {\r | |
582 | //\r | |
583 | // Read section header from file\r | |
584 | //\r | |
585 | Size = sizeof (EFI_IMAGE_SECTION_HEADER);\r | |
586 | Status = ImageContext->ImageRead (\r | |
587 | ImageContext->Handle,\r | |
588 | SectionHeaderOffset,\r | |
589 | &Size,\r | |
590 | &SectionHeader\r | |
591 | );\r | |
592 | if (EFI_ERROR (Status)) {\r | |
593 | ImageContext->ImageError = EFI_IMAGE_ERROR_IMAGE_READ;\r | |
594 | return Status;\r | |
595 | }\r | |
596 | \r | |
597 | if (DebugDirectoryEntryRva >= SectionHeader.VirtualAddress &&\r | |
598 | DebugDirectoryEntryRva < SectionHeader.VirtualAddress + SectionHeader.Misc.VirtualSize) {\r | |
599 | DebugDirectoryEntryFileOffset = DebugDirectoryEntryRva -\r | |
600 | SectionHeader.VirtualAddress +\r | |
601 | SectionHeader.PointerToRawData +\r | |
602 | sizeof (EFI_TE_IMAGE_HEADER) -\r | |
603 | Hdr.Te->StrippedSize;\r | |
604 | break;\r | |
605 | }\r | |
606 | \r | |
607 | SectionHeaderOffset += sizeof (EFI_IMAGE_SECTION_HEADER);\r | |
608 | }\r | |
609 | \r | |
610 | if (DebugDirectoryEntryFileOffset != 0) {\r | |
611 | for (Index = 0; Index < DebugDirectoryEntry->Size; Index++) {\r | |
612 | //\r | |
613 | // Read next debug directory entry\r | |
614 | //\r | |
615 | Size = sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);\r | |
616 | Status = ImageContext->ImageRead (\r | |
617 | ImageContext->Handle,\r | |
618 | DebugDirectoryEntryFileOffset,\r | |
619 | &Size,\r | |
620 | &DebugEntry\r | |
621 | );\r | |
622 | if (EFI_ERROR (Status)) {\r | |
623 | ImageContext->ImageError = EFI_IMAGE_ERROR_IMAGE_READ;\r | |
624 | return Status;\r | |
625 | }\r | |
626 | \r | |
627 | if (DebugEntry.Type == EFI_IMAGE_DEBUG_TYPE_CODEVIEW) {\r | |
628 | ImageContext->DebugDirectoryEntryRva = (UINT32) (DebugDirectoryEntryRva + Index * sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY));\r | |
629 | return EFI_SUCCESS;\r | |
630 | }\r | |
631 | }\r | |
632 | }\r | |
633 | }\r | |
634 | \r | |
635 | return EFI_SUCCESS;\r | |
636 | }\r | |
637 | \r | |
638 | STATIC\r | |
639 | VOID *\r | |
640 | PeCoffLoaderImageAddress (\r | |
641 | IN OUT EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,\r | |
642 | IN UINTN Address\r | |
643 | )\r | |
644 | /*++\r | |
645 | \r | |
646 | Routine Description:\r | |
647 | \r | |
648 | Converts an image address to the loaded address\r | |
649 | \r | |
650 | Arguments:\r | |
651 | \r | |
652 | ImageContext - The context of the image being loaded\r | |
653 | \r | |
654 | Address - The address to be converted to the loaded address\r | |
655 | \r | |
656 | Returns:\r | |
657 | \r | |
658 | NULL if the address can not be converted, otherwise, the converted address\r | |
659 | \r | |
660 | --*/\r | |
661 | {\r | |
662 | if (Address >= ImageContext->ImageSize) {\r | |
663 | ImageContext->ImageError = EFI_IMAGE_ERROR_INVALID_IMAGE_ADDRESS;\r | |
664 | return NULL;\r | |
665 | }\r | |
666 | \r | |
667 | return (CHAR8 *) ((UINTN) ImageContext->ImageAddress + Address);\r | |
668 | }\r | |
669 | \r | |
670 | EFI_STATUS\r | |
671 | EFIAPI\r | |
672 | PeCoffLoaderRelocateImage (\r | |
673 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This,\r | |
674 | IN OUT EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
675 | )\r | |
676 | /*++\r | |
677 | \r | |
678 | Routine Description:\r | |
679 | \r | |
680 | Relocates a PE/COFF image in memory\r | |
681 | \r | |
682 | Arguments:\r | |
683 | \r | |
684 | This - Calling context\r | |
685 | \r | |
686 | ImageContext - Contains information on the loaded image to relocate\r | |
687 | \r | |
688 | Returns:\r | |
689 | \r | |
690 | EFI_SUCCESS if the PE/COFF image was relocated\r | |
691 | EFI_LOAD_ERROR if the image is not a valid PE/COFF image\r | |
692 | EFI_UNSUPPORTED not support\r | |
693 | \r | |
694 | --*/\r | |
695 | {\r | |
696 | EFI_STATUS Status;\r | |
697 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r | |
698 | EFI_IMAGE_DATA_DIRECTORY *RelocDir;\r | |
699 | UINT64 Adjust;\r | |
700 | EFI_IMAGE_BASE_RELOCATION *RelocBase;\r | |
701 | EFI_IMAGE_BASE_RELOCATION *RelocBaseEnd;\r | |
702 | UINT16 *Reloc;\r | |
703 | UINT16 *RelocEnd;\r | |
704 | CHAR8 *Fixup;\r | |
705 | CHAR8 *FixupBase;\r | |
706 | UINT16 *F16;\r | |
707 | UINT32 *F32; \r | |
708 | UINT64 *F64;\r | |
709 | CHAR8 *FixupData;\r | |
710 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
711 | UINT32 NumberOfRvaAndSizes;\r | |
712 | UINT16 Magic;\r | |
713 | #ifdef EFI_NT_EMULATOR\r | |
714 | VOID *DllEntryPoint;\r | |
715 | VOID *ModHandle;\r | |
716 | \r | |
717 | ModHandle = NULL;\r | |
718 | #endif\r | |
719 | \r | |
720 | if (NULL == ImageContext) {\r | |
721 | return EFI_INVALID_PARAMETER;\r | |
722 | }\r | |
723 | \r | |
724 | //\r | |
725 | // Assume success\r | |
726 | //\r | |
727 | ImageContext->ImageError = EFI_IMAGE_ERROR_SUCCESS;\r | |
728 | \r | |
729 | //\r | |
730 | // If there are no relocation entries, then we are done\r | |
731 | //\r | |
732 | if (ImageContext->RelocationsStripped) {\r | |
733 | return EFI_SUCCESS;\r | |
734 | }\r | |
735 | \r | |
736 | //\r | |
737 | // If the destination address is not 0, use that rather than the\r | |
738 | // image address as the relocation target.\r | |
739 | //\r | |
740 | if (ImageContext->DestinationAddress != 0) {\r | |
741 | BaseAddress = ImageContext->DestinationAddress;\r | |
742 | } else {\r | |
743 | BaseAddress = ImageContext->ImageAddress;\r | |
744 | }\r | |
745 | \r | |
746 | if (!(ImageContext->IsTeImage)) {\r | |
747 | Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN)ImageContext->ImageAddress + ImageContext->PeCoffHeaderOffset);\r | |
748 | \r | |
749 | //\r | |
750 | // NOTE: We use Machine to identify PE32/PE32+, instead of Magic.\r | |
751 | // It is for backward-compatibility consideration, because\r | |
752 | // some system will generate PE32+ image with PE32 Magic.\r | |
753 | //\r | |
754 | if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32) {\r | |
755 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;\r | |
756 | } else if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64) {\r | |
757 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
758 | } else if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64) {\r | |
759 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
760 | } else {\r | |
761 | Magic = Hdr.Pe32->OptionalHeader.Magic;\r | |
762 | }\r | |
763 | \r | |
764 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
765 | //\r | |
766 | // Use PE32 offset\r | |
767 | //\r | |
768 | Adjust = (UINT64)BaseAddress - Hdr.Pe32->OptionalHeader.ImageBase;\r | |
769 | Hdr.Pe32->OptionalHeader.ImageBase = (UINT32)BaseAddress;\r | |
770 | \r | |
771 | NumberOfRvaAndSizes = Hdr.Pe32->OptionalHeader.NumberOfRvaAndSizes;\r | |
772 | RelocDir = &Hdr.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC];\r | |
773 | } else {\r | |
774 | //\r | |
775 | // Use PE32+ offset\r | |
776 | //\r | |
777 | Adjust = (UINT64) BaseAddress - Hdr.Pe32Plus->OptionalHeader.ImageBase;\r | |
778 | Hdr.Pe32Plus->OptionalHeader.ImageBase = (UINT64)BaseAddress;\r | |
779 | \r | |
780 | NumberOfRvaAndSizes = Hdr.Pe32Plus->OptionalHeader.NumberOfRvaAndSizes;\r | |
781 | RelocDir = &Hdr.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC];\r | |
782 | }\r | |
783 | \r | |
784 | //\r | |
785 | // Find the relocation block\r | |
786 | // Per the PE/COFF spec, you can't assume that a given data directory\r | |
787 | // is present in the image. You have to check the NumberOfRvaAndSizes in\r | |
788 | // the optional header to verify a desired directory entry is there.\r | |
789 | //\r | |
790 | \r | |
4ac4deb7 | 791 | if (NumberOfRvaAndSizes > EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC && RelocDir->Size > 0) {\r |
3eb9473e | 792 | RelocBase = PeCoffLoaderImageAddress (ImageContext, RelocDir->VirtualAddress);\r |
793 | RelocBaseEnd = PeCoffLoaderImageAddress (\r | |
794 | ImageContext,\r | |
795 | RelocDir->VirtualAddress + RelocDir->Size - 1\r | |
796 | );\r | |
4ac4deb7 LG |
797 | if ((RelocBase == NULL) || (RelocBaseEnd == NULL)) {\r |
798 | //\r | |
799 | // If the base start or end address resolved to 0, then fail.\r | |
800 | //\r | |
801 | return EFI_LOAD_ERROR;\r | |
802 | }\r | |
3eb9473e | 803 | } else {\r |
804 | //\r | |
805 | // Set base and end to bypass processing below.\r | |
806 | //\r | |
807 | RelocBase = RelocBaseEnd = 0;\r | |
808 | }\r | |
809 | } else {\r | |
810 | Hdr.Te = (EFI_TE_IMAGE_HEADER *)(UINTN)(ImageContext->ImageAddress);\r | |
c7f33ca4 | 811 | Adjust = (UINT64) (BaseAddress - Hdr.Te->StrippedSize + sizeof (EFI_TE_IMAGE_HEADER) - Hdr.Te->ImageBase);\r |
812 | Hdr.Te->ImageBase = (UINT64) (BaseAddress - Hdr.Te->StrippedSize + sizeof (EFI_TE_IMAGE_HEADER));\r | |
3eb9473e | 813 | \r |
814 | //\r | |
815 | // Find the relocation block\r | |
816 | //\r | |
817 | RelocDir = &Hdr.Te->DataDirectory[0];\r | |
4ac4deb7 LG |
818 | if (RelocDir->Size > 0) {\r |
819 | RelocBase = (EFI_IMAGE_BASE_RELOCATION *)(UINTN)(\r | |
820 | ImageContext->ImageAddress +\r | |
821 | RelocDir->VirtualAddress +\r | |
822 | sizeof(EFI_TE_IMAGE_HEADER) -\r | |
823 | Hdr.Te->StrippedSize\r | |
824 | );\r | |
825 | RelocBaseEnd = (EFI_IMAGE_BASE_RELOCATION *) ((UINTN) RelocBase + (UINTN) RelocDir->Size - 1);\r | |
826 | } else {\r | |
827 | //\r | |
828 | // Set base and end to bypass processing below.\r | |
829 | //\r | |
830 | RelocBase = NULL;\r | |
831 | RelocBaseEnd = NULL;\r | |
832 | }\r | |
3eb9473e | 833 | }\r |
834 | \r | |
835 | //\r | |
836 | // Run the relocation information and apply the fixups\r | |
837 | //\r | |
838 | FixupData = ImageContext->FixupData;\r | |
839 | while (RelocBase < RelocBaseEnd) {\r | |
840 | \r | |
841 | Reloc = (UINT16 *) ((CHAR8 *) RelocBase + sizeof (EFI_IMAGE_BASE_RELOCATION));\r | |
842 | RelocEnd = (UINT16 *) ((CHAR8 *) RelocBase + RelocBase->SizeOfBlock);\r | |
843 | if (!(ImageContext->IsTeImage)) {\r | |
844 | FixupBase = PeCoffLoaderImageAddress (ImageContext, RelocBase->VirtualAddress);\r | |
4ac4deb7 LG |
845 | \r |
846 | if (FixupBase == NULL) {\r | |
847 | //\r | |
848 | // If the FixupBase address resolved to 0, then fail.\r | |
849 | //\r | |
850 | return EFI_LOAD_ERROR;\r | |
851 | }\r | |
3eb9473e | 852 | } else {\r |
853 | FixupBase = (CHAR8 *)(UINTN)(ImageContext->ImageAddress +\r | |
854 | RelocBase->VirtualAddress +\r | |
855 | sizeof(EFI_TE_IMAGE_HEADER) - \r | |
856 | Hdr.Te->StrippedSize\r | |
857 | );\r | |
858 | }\r | |
859 | \r | |
860 | if ((CHAR8 *) RelocEnd < (CHAR8 *) ((UINTN) ImageContext->ImageAddress) ||\r | |
861 | (CHAR8 *) RelocEnd > (CHAR8 *)((UINTN)ImageContext->ImageAddress + \r | |
862 | (UINTN)ImageContext->ImageSize)) {\r | |
863 | ImageContext->ImageError = EFI_IMAGE_ERROR_FAILED_RELOCATION;\r | |
864 | return EFI_LOAD_ERROR;\r | |
865 | }\r | |
866 | \r | |
867 | //\r | |
868 | // Run this relocation record\r | |
869 | //\r | |
870 | while (Reloc < RelocEnd) {\r | |
871 | \r | |
872 | Fixup = FixupBase + (*Reloc & 0xFFF);\r | |
873 | switch ((*Reloc) >> 12) {\r | |
874 | case EFI_IMAGE_REL_BASED_ABSOLUTE:\r | |
875 | break;\r | |
876 | \r | |
877 | case EFI_IMAGE_REL_BASED_HIGH:\r | |
878 | F16 = (UINT16 *) Fixup;\r | |
879 | *F16 = (UINT16) (*F16 + (UINT16)(((UINT32)Adjust) >> 16));\r | |
880 | if (FixupData != NULL) {\r | |
881 | *(UINT16 *) FixupData = *F16;\r | |
882 | FixupData = FixupData + sizeof (UINT16);\r | |
883 | }\r | |
884 | break;\r | |
885 | \r | |
886 | case EFI_IMAGE_REL_BASED_LOW:\r | |
887 | F16 = (UINT16 *) Fixup;\r | |
888 | *F16 = (UINT16) (*F16 + (UINT16) Adjust);\r | |
889 | if (FixupData != NULL) {\r | |
890 | *(UINT16 *) FixupData = *F16;\r | |
891 | FixupData = FixupData + sizeof (UINT16);\r | |
892 | }\r | |
893 | break;\r | |
894 | \r | |
895 | case EFI_IMAGE_REL_BASED_HIGHLOW:\r | |
896 | F32 = (UINT32 *) Fixup;\r | |
897 | *F32 = *F32 + (UINT32) Adjust;\r | |
898 | if (FixupData != NULL) {\r | |
899 | FixupData = ALIGN_POINTER (FixupData, sizeof (UINT32));\r | |
900 | *(UINT32 *) FixupData = *F32;\r | |
901 | FixupData = FixupData + sizeof (UINT32);\r | |
902 | }\r | |
903 | break;\r | |
904 | \r | |
905 | case EFI_IMAGE_REL_BASED_DIR64:\r | |
906 | //\r | |
907 | // For X64 and IPF\r | |
908 | //\r | |
909 | F64 = (UINT64 *) Fixup;\r | |
910 | *F64 = *F64 + (UINT64) Adjust;\r | |
911 | if (FixupData != NULL) {\r | |
912 | FixupData = ALIGN_POINTER (FixupData, sizeof(UINT64));\r | |
913 | *(UINT64 *)(FixupData) = *F64;\r | |
914 | FixupData = FixupData + sizeof(UINT64);\r | |
915 | }\r | |
916 | break;\r | |
917 | \r | |
918 | case EFI_IMAGE_REL_BASED_HIGHADJ:\r | |
919 | //\r | |
920 | // Return the same EFI_UNSUPPORTED return code as\r | |
921 | // PeCoffLoaderRelocateImageEx() returns if it does not recognize\r | |
922 | // the relocation type.\r | |
923 | //\r | |
924 | ImageContext->ImageError = EFI_IMAGE_ERROR_FAILED_RELOCATION;\r | |
925 | return EFI_UNSUPPORTED;\r | |
926 | \r | |
927 | default:\r | |
928 | //\r | |
929 | // The common code does not handle some of the stranger IPF relocations\r | |
930 | // PeCoffLoaderRelocateImageEx () addes support for these complex fixups\r | |
931 | // on IPF and is a No-Op on other archtiectures.\r | |
932 | //\r | |
933 | Status = PeCoffLoaderRelocateImageEx (Reloc, Fixup, &FixupData, Adjust);\r | |
934 | if (EFI_ERROR (Status)) {\r | |
935 | ImageContext->ImageError = EFI_IMAGE_ERROR_FAILED_RELOCATION;\r | |
936 | return Status;\r | |
937 | }\r | |
938 | }\r | |
939 | \r | |
940 | //\r | |
941 | // Next relocation record\r | |
942 | //\r | |
943 | Reloc += 1;\r | |
944 | }\r | |
945 | \r | |
946 | //\r | |
947 | // Next reloc block\r | |
948 | //\r | |
949 | RelocBase = (EFI_IMAGE_BASE_RELOCATION *) RelocEnd;\r | |
950 | }\r | |
951 | \r | |
952 | #ifdef EFI_NT_EMULATOR\r | |
953 | DllEntryPoint = NULL;\r | |
954 | ImageContext->ModHandle = NULL;\r | |
955 | //\r | |
956 | // Load the DLL if it's not an EBC image.\r | |
957 | //\r | |
958 | if ((ImageContext->PdbPointer != NULL) && \r | |
959 | (ImageContext->Machine != EFI_IMAGE_MACHINE_EBC)) {\r | |
960 | Status = mPeCoffLoaderWinNtLoadAsDll->Entry (\r | |
961 | ImageContext->PdbPointer,\r | |
962 | &DllEntryPoint,\r | |
963 | &ModHandle\r | |
964 | );\r | |
965 | \r | |
966 | if (!EFI_ERROR (Status) && DllEntryPoint != NULL) {\r | |
967 | ImageContext->EntryPoint = (EFI_PHYSICAL_ADDRESS) (UINTN) DllEntryPoint;\r | |
968 | ImageContext->ModHandle = ModHandle;\r | |
969 | }\r | |
970 | }\r | |
971 | #endif\r | |
972 | \r | |
973 | return EFI_SUCCESS;\r | |
974 | }\r | |
975 | \r | |
976 | EFI_STATUS\r | |
977 | EFIAPI\r | |
978 | PeCoffLoaderLoadImage (\r | |
979 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This,\r | |
980 | IN OUT EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
981 | )\r | |
982 | /*++\r | |
983 | \r | |
984 | Routine Description:\r | |
985 | \r | |
986 | Loads a PE/COFF image into memory\r | |
987 | \r | |
988 | Arguments:\r | |
989 | \r | |
990 | This - Calling context\r | |
991 | \r | |
992 | ImageContext - Contains information on image to load into memory\r | |
993 | \r | |
994 | Returns:\r | |
995 | \r | |
996 | EFI_SUCCESS if the PE/COFF image was loaded\r | |
997 | EFI_BUFFER_TOO_SMALL if the caller did not provide a large enough buffer\r | |
998 | EFI_LOAD_ERROR if the image is a runtime driver with no relocations\r | |
999 | EFI_INVALID_PARAMETER if the image address is invalid\r | |
1000 | \r | |
1001 | --*/\r | |
1002 | {\r | |
1003 | EFI_STATUS Status;\r | |
1004 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r | |
1005 | EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT CheckContext;\r | |
1006 | EFI_IMAGE_SECTION_HEADER *FirstSection;\r | |
1007 | EFI_IMAGE_SECTION_HEADER *Section;\r | |
1008 | UINTN NumberOfSections;\r | |
1009 | UINTN Index;\r | |
1010 | CHAR8 *Base;\r | |
1011 | CHAR8 *End;\r | |
1012 | CHAR8 *MaxEnd;\r | |
1013 | EFI_IMAGE_DATA_DIRECTORY *DirectoryEntry;\r | |
1014 | EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *DebugEntry;\r | |
1015 | UINTN Size;\r | |
1016 | UINT32 TempDebugEntryRva;\r | |
1017 | UINT32 NumberOfRvaAndSizes;\r | |
1018 | UINT16 Magic;\r | |
3e99020d LG |
1019 | #if (EFI_SPECIFICATION_VERSION >= 0x0002000A)\r |
1020 | EFI_IMAGE_RESOURCE_DIRECTORY *ResourceDirectory;\r | |
1021 | EFI_IMAGE_RESOURCE_DIRECTORY_ENTRY *ResourceDirectoryEntry;\r | |
1022 | EFI_IMAGE_RESOURCE_DIRECTORY_STRING *ResourceDirectoryString;\r | |
1023 | EFI_IMAGE_RESOURCE_DATA_ENTRY *ResourceDataEntry;\r | |
1024 | #endif\r | |
3eb9473e | 1025 | \r |
1026 | if (NULL == ImageContext) {\r | |
1027 | return EFI_INVALID_PARAMETER;\r | |
1028 | }\r | |
1029 | \r | |
1030 | //\r | |
1031 | // Assume success\r | |
1032 | //\r | |
1033 | ImageContext->ImageError = EFI_IMAGE_ERROR_SUCCESS;\r | |
1034 | \r | |
1035 | //\r | |
1036 | // Copy the provided context info into our local version, get what we\r | |
1037 | // can from the original image, and then use that to make sure everything\r | |
1038 | // is legit.\r | |
1039 | //\r | |
1040 | CopyMem (&CheckContext, ImageContext, sizeof (EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT));\r | |
1041 | \r | |
1042 | Status = PeCoffLoaderGetImageInfo (This, &CheckContext);\r | |
1043 | if (EFI_ERROR (Status)) {\r | |
1044 | return Status;\r | |
1045 | }\r | |
1046 | \r | |
1047 | //\r | |
1048 | // Make sure there is enough allocated space for the image being loaded\r | |
1049 | //\r | |
1050 | if (ImageContext->ImageSize < CheckContext.ImageSize) {\r | |
1051 | ImageContext->ImageError = EFI_IMAGE_ERROR_INVALID_IMAGE_SIZE;\r | |
1052 | return EFI_BUFFER_TOO_SMALL;\r | |
1053 | }\r | |
1054 | if (ImageContext->ImageAddress == 0) {\r | |
1055 | //\r | |
1056 | // Image cannot be loaded into 0 address.\r | |
1057 | //\r | |
1058 | ImageContext->ImageError = EFI_IMAGE_ERROR_INVALID_IMAGE_ADDRESS;\r | |
1059 | return EFI_INVALID_PARAMETER;\r | |
1060 | }\r | |
1061 | //\r | |
1062 | // If there's no relocations, then make sure it's not a runtime driver,\r | |
1063 | // and that it's being loaded at the linked address.\r | |
1064 | //\r | |
1065 | if (CheckContext.RelocationsStripped) {\r | |
1066 | //\r | |
1067 | // If the image does not contain relocations and it is a runtime driver\r | |
1068 | // then return an error.\r | |
1069 | //\r | |
1070 | if (CheckContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r | |
1071 | ImageContext->ImageError = EFI_IMAGE_ERROR_INVALID_SUBSYSTEM;\r | |
1072 | return EFI_LOAD_ERROR;\r | |
1073 | }\r | |
1074 | //\r | |
1075 | // If the image does not contain relocations, and the requested load address\r | |
1076 | // is not the linked address, then return an error.\r | |
1077 | //\r | |
1078 | if (CheckContext.ImageAddress != ImageContext->ImageAddress) {\r | |
1079 | ImageContext->ImageError = EFI_IMAGE_ERROR_INVALID_IMAGE_ADDRESS;\r | |
1080 | return EFI_INVALID_PARAMETER;\r | |
1081 | }\r | |
1082 | }\r | |
1083 | //\r | |
1084 | // Make sure the allocated space has the proper section alignment\r | |
1085 | //\r | |
1086 | if (!(ImageContext->IsTeImage)) {\r | |
1087 | if ((ImageContext->ImageAddress & (CheckContext.SectionAlignment - 1)) != 0) {\r | |
1088 | ImageContext->ImageError = EFI_IMAGE_ERROR_INVALID_SECTION_ALIGNMENT;\r | |
1089 | return EFI_INVALID_PARAMETER;\r | |
1090 | }\r | |
1091 | }\r | |
1092 | //\r | |
1093 | // Read the entire PE/COFF or TE header into memory\r | |
1094 | //\r | |
1095 | if (!(ImageContext->IsTeImage)) {\r | |
1096 | Status = ImageContext->ImageRead (\r | |
1097 | ImageContext->Handle,\r | |
1098 | 0,\r | |
1099 | &ImageContext->SizeOfHeaders,\r | |
1100 | (VOID *) (UINTN) ImageContext->ImageAddress\r | |
1101 | );\r | |
1102 | \r | |
1103 | Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN)ImageContext->ImageAddress + ImageContext->PeCoffHeaderOffset);\r | |
1104 | \r | |
1105 | FirstSection = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1106 | (UINTN)ImageContext->ImageAddress +\r | |
1107 | ImageContext->PeCoffHeaderOffset +\r | |
1108 | sizeof(UINT32) + \r | |
1109 | sizeof(EFI_IMAGE_FILE_HEADER) + \r | |
1110 | Hdr.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1111 | );\r | |
1112 | NumberOfSections = (UINTN) (Hdr.Pe32->FileHeader.NumberOfSections);\r | |
1113 | } else {\r | |
1114 | Status = ImageContext->ImageRead (\r | |
1115 | ImageContext->Handle,\r | |
1116 | 0,\r | |
1117 | &ImageContext->SizeOfHeaders,\r | |
1118 | (VOID *)(UINTN)ImageContext->ImageAddress\r | |
1119 | );\r | |
1120 | \r | |
1121 | Hdr.Te = (EFI_TE_IMAGE_HEADER *)(UINTN)(ImageContext->ImageAddress);\r | |
1122 | \r | |
1123 | FirstSection = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1124 | (UINTN)ImageContext->ImageAddress +\r | |
1125 | sizeof(EFI_TE_IMAGE_HEADER)\r | |
1126 | );\r | |
1127 | NumberOfSections = (UINTN) (Hdr.Te->NumberOfSections);\r | |
1128 | \r | |
1129 | }\r | |
1130 | \r | |
1131 | if (EFI_ERROR (Status)) {\r | |
1132 | ImageContext->ImageError = EFI_IMAGE_ERROR_IMAGE_READ;\r | |
1133 | return EFI_LOAD_ERROR;\r | |
1134 | }\r | |
1135 | \r | |
1136 | //\r | |
1137 | // Load each section of the image\r | |
1138 | //\r | |
1139 | Section = FirstSection;\r | |
1140 | for (Index = 0, MaxEnd = NULL; Index < NumberOfSections; Index++) {\r | |
1141 | \r | |
1142 | //\r | |
1143 | // Compute sections address\r | |
1144 | //\r | |
1145 | Base = PeCoffLoaderImageAddress (ImageContext, Section->VirtualAddress);\r | |
1146 | End = PeCoffLoaderImageAddress (\r | |
1147 | ImageContext,\r | |
1148 | Section->VirtualAddress + Section->Misc.VirtualSize - 1\r | |
1149 | );\r | |
1150 | if (ImageContext->IsTeImage) {\r | |
1151 | Base = (CHAR8 *)((UINTN) Base + sizeof (EFI_TE_IMAGE_HEADER) - (UINTN)Hdr.Te->StrippedSize);\r | |
1152 | End = (CHAR8 *)((UINTN) End + sizeof (EFI_TE_IMAGE_HEADER) - (UINTN)Hdr.Te->StrippedSize);\r | |
1153 | }\r | |
1154 | \r | |
1155 | if (End > MaxEnd) {\r | |
1156 | MaxEnd = End;\r | |
1157 | }\r | |
1158 | //\r | |
1159 | // If the base start or end address resolved to 0, then fail.\r | |
1160 | //\r | |
1161 | if ((Base == NULL) || (End == NULL)) {\r | |
1162 | ImageContext->ImageError = EFI_IMAGE_ERROR_SECTION_NOT_LOADED;\r | |
1163 | return EFI_LOAD_ERROR;\r | |
1164 | }\r | |
1165 | \r | |
1166 | //\r | |
1167 | // Read the section\r | |
1168 | //\r | |
1169 | Size = (UINTN) Section->Misc.VirtualSize;\r | |
1170 | if ((Size == 0) || (Size > Section->SizeOfRawData)) {\r | |
1171 | Size = (UINTN) Section->SizeOfRawData;\r | |
1172 | }\r | |
1173 | \r | |
1174 | if (Section->SizeOfRawData) {\r | |
1175 | if (!(ImageContext->IsTeImage)) {\r | |
1176 | Status = ImageContext->ImageRead (\r | |
1177 | ImageContext->Handle,\r | |
1178 | Section->PointerToRawData,\r | |
1179 | &Size,\r | |
1180 | Base\r | |
1181 | );\r | |
1182 | } else {\r | |
1183 | Status = ImageContext->ImageRead (\r | |
1184 | ImageContext->Handle,\r | |
1185 | Section->PointerToRawData + sizeof (EFI_TE_IMAGE_HEADER) - (UINTN)Hdr.Te->StrippedSize,\r | |
1186 | &Size,\r | |
1187 | Base\r | |
1188 | );\r | |
1189 | }\r | |
1190 | \r | |
1191 | if (EFI_ERROR (Status)) {\r | |
1192 | ImageContext->ImageError = EFI_IMAGE_ERROR_IMAGE_READ;\r | |
1193 | return Status;\r | |
1194 | }\r | |
1195 | }\r | |
1196 | \r | |
1197 | //\r | |
1198 | // If raw size is less then virt size, zero fill the remaining\r | |
1199 | //\r | |
1200 | \r | |
1201 | if (Size < Section->Misc.VirtualSize) {\r | |
1202 | ZeroMem (Base + Size, Section->Misc.VirtualSize - Size);\r | |
1203 | }\r | |
1204 | \r | |
1205 | //\r | |
1206 | // Next Section\r | |
1207 | //\r | |
1208 | Section += 1;\r | |
1209 | }\r | |
1210 | \r | |
1211 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;\r | |
1212 | \r | |
1213 | //\r | |
1214 | // Get image's entry point\r | |
1215 | //\r | |
1216 | if (!(ImageContext->IsTeImage)) {\r | |
1217 | \r | |
1218 | //\r | |
1219 | // NOTE: We use Machine to identify PE32/PE32+, instead of Magic.\r | |
1220 | // It is for backward-compatibility consideration, because\r | |
1221 | // some system will generate PE32+ image with PE32 Magic.\r | |
1222 | //\r | |
1223 | if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA32) {\r | |
1224 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;\r | |
1225 | } else if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64) {\r | |
1226 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
1227 | } else if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_X64) {\r | |
1228 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
1229 | } else {\r | |
1230 | Magic = Hdr.Pe32->OptionalHeader.Magic;\r | |
1231 | }\r | |
1232 | \r | |
1233 | //\r | |
1234 | // Sizes of AddressOfEntryPoint are different so we need to do this safely\r | |
1235 | //\r | |
1236 | ImageContext->EntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)PeCoffLoaderImageAddress (\r | |
1237 | ImageContext,\r | |
1238 | (UINTN)Hdr.Pe32->OptionalHeader.AddressOfEntryPoint\r | |
1239 | );\r | |
1240 | \r | |
1241 | } else {\r | |
1242 | ImageContext->EntryPoint = (EFI_PHYSICAL_ADDRESS) (\r | |
1243 | (UINTN)ImageContext->ImageAddress +\r | |
1244 | (UINTN)Hdr.Te->AddressOfEntryPoint +\r | |
1245 | (UINTN)sizeof(EFI_TE_IMAGE_HEADER) -\r | |
1246 | (UINTN)Hdr.Te->StrippedSize\r | |
1247 | );\r | |
1248 | }\r | |
1249 | \r | |
1250 | //\r | |
1251 | // Determine the size of the fixup data\r | |
1252 | //\r | |
1253 | // Per the PE/COFF spec, you can't assume that a given data directory\r | |
1254 | // is present in the image. You have to check the NumberOfRvaAndSizes in\r | |
1255 | // the optional header to verify a desired directory entry is there.\r | |
1256 | //\r | |
1257 | if (!(ImageContext->IsTeImage)) {\r | |
1258 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1259 | //\r | |
1260 | // Use PE32 offset\r | |
1261 | //\r | |
1262 | NumberOfRvaAndSizes = Hdr.Pe32->OptionalHeader.NumberOfRvaAndSizes;\r | |
1263 | DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&Hdr.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC];\r | |
1264 | } else {\r | |
1265 | //\r | |
1266 | // Use PE32+ offset\r | |
1267 | //\r | |
1268 | NumberOfRvaAndSizes = Hdr.Pe32Plus->OptionalHeader.NumberOfRvaAndSizes;\r | |
1269 | DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&Hdr.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC];\r | |
1270 | }\r | |
1271 | \r | |
1272 | if (NumberOfRvaAndSizes > EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC) {\r | |
1273 | ImageContext->FixupDataSize = DirectoryEntry->Size / sizeof (UINT16) * sizeof (UINTN);\r | |
1274 | } else {\r | |
1275 | ImageContext->FixupDataSize = 0;\r | |
1276 | }\r | |
1277 | } else {\r | |
1278 | DirectoryEntry = &Hdr.Te->DataDirectory[0];\r | |
1279 | ImageContext->FixupDataSize = DirectoryEntry->Size / sizeof (UINT16) * sizeof (UINTN);\r | |
1280 | }\r | |
1281 | //\r | |
1282 | // Consumer must allocate a buffer for the relocation fixup log.\r | |
1283 | // Only used for runtime drivers.\r | |
1284 | //\r | |
1285 | ImageContext->FixupData = NULL;\r | |
1286 | \r | |
1287 | //\r | |
1288 | // Load the Codeview info if present\r | |
1289 | //\r | |
1290 | if (ImageContext->DebugDirectoryEntryRva != 0) {\r | |
1291 | if (!(ImageContext->IsTeImage)) {\r | |
1292 | DebugEntry = PeCoffLoaderImageAddress (\r | |
1293 | ImageContext,\r | |
1294 | ImageContext->DebugDirectoryEntryRva\r | |
1295 | );\r | |
1296 | } else {\r | |
1297 | DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *)(UINTN)(\r | |
1298 | ImageContext->ImageAddress +\r | |
1299 | ImageContext->DebugDirectoryEntryRva +\r | |
1300 | sizeof(EFI_TE_IMAGE_HEADER) -\r | |
1301 | Hdr.Te->StrippedSize\r | |
1302 | );\r | |
1303 | }\r | |
1304 | \r | |
1305 | if (DebugEntry != NULL) {\r | |
1306 | TempDebugEntryRva = DebugEntry->RVA;\r | |
1307 | if (DebugEntry->RVA == 0 && DebugEntry->FileOffset != 0) {\r | |
1308 | Section--;\r | |
1309 | if ((UINTN)Section->SizeOfRawData < Section->Misc.VirtualSize) {\r | |
1310 | TempDebugEntryRva = Section->VirtualAddress + Section->Misc.VirtualSize;\r | |
1311 | } else {\r | |
1312 | TempDebugEntryRva = Section->VirtualAddress + Section->SizeOfRawData;\r | |
1313 | }\r | |
1314 | }\r | |
1315 | \r | |
1316 | if (TempDebugEntryRva != 0) {\r | |
1317 | if (!(ImageContext->IsTeImage)) {\r | |
1318 | ImageContext->CodeView = PeCoffLoaderImageAddress (ImageContext, TempDebugEntryRva);\r | |
1319 | } else {\r | |
1320 | ImageContext->CodeView = (VOID *)(\r | |
1321 | (UINTN)ImageContext->ImageAddress +\r | |
1322 | (UINTN)TempDebugEntryRva +\r | |
1323 | (UINTN)sizeof (EFI_TE_IMAGE_HEADER) -\r | |
1324 | (UINTN) Hdr.Te->StrippedSize\r | |
1325 | );\r | |
1326 | }\r | |
1327 | \r | |
1328 | if (ImageContext->CodeView == NULL) {\r | |
1329 | ImageContext->ImageError = EFI_IMAGE_ERROR_IMAGE_READ;\r | |
1330 | return EFI_LOAD_ERROR;\r | |
1331 | }\r | |
1332 | \r | |
1333 | if (DebugEntry->RVA == 0) {\r | |
1334 | Size = DebugEntry->SizeOfData;\r | |
1335 | if (!(ImageContext->IsTeImage)) {\r | |
1336 | Status = ImageContext->ImageRead (\r | |
1337 | ImageContext->Handle,\r | |
1338 | DebugEntry->FileOffset,\r | |
1339 | &Size,\r | |
1340 | ImageContext->CodeView\r | |
1341 | );\r | |
1342 | } else {\r | |
1343 | Status = ImageContext->ImageRead (\r | |
1344 | ImageContext->Handle,\r | |
1345 | DebugEntry->FileOffset + sizeof (EFI_TE_IMAGE_HEADER) - Hdr.Te->StrippedSize,\r | |
1346 | &Size,\r | |
1347 | ImageContext->CodeView\r | |
1348 | );\r | |
1349 | //\r | |
1350 | // Should we apply fix up to this field according to the size difference between PE and TE?\r | |
1351 | // Because now we maintain TE header fields unfixed, this field will also remain as they are\r | |
1352 | // in original PE image.\r | |
1353 | //\r | |
1354 | }\r | |
1355 | \r | |
1356 | if (EFI_ERROR (Status)) {\r | |
1357 | ImageContext->ImageError = EFI_IMAGE_ERROR_IMAGE_READ;\r | |
1358 | return EFI_LOAD_ERROR;\r | |
1359 | }\r | |
1360 | \r | |
1361 | DebugEntry->RVA = TempDebugEntryRva;\r | |
1362 | }\r | |
1363 | \r | |
1364 | switch (*(UINT32 *) ImageContext->CodeView) {\r | |
1365 | case CODEVIEW_SIGNATURE_NB10:\r | |
1366 | ImageContext->PdbPointer = (CHAR8 *)ImageContext->CodeView + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY);\r | |
1367 | break;\r | |
1368 | \r | |
1369 | case CODEVIEW_SIGNATURE_RSDS:\r | |
1370 | ImageContext->PdbPointer = (CHAR8 *)ImageContext->CodeView + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY);\r | |
1371 | break;\r | |
1372 | \r | |
1373 | default:\r | |
1374 | break;\r | |
1375 | }\r | |
1376 | }\r | |
1377 | }\r | |
1378 | }\r | |
1379 | \r | |
3e99020d LG |
1380 | #if (EFI_SPECIFICATION_VERSION >= 0x0002000A)\r |
1381 | //\r | |
1382 | // Get Image's HII resource section\r | |
1383 | //\r | |
1384 | if (!(ImageContext->IsTeImage)) {\r | |
1385 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1386 | //\r | |
1387 | // Use PE32 offset\r | |
1388 | //\r | |
1389 | DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&Hdr.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE];\r | |
1390 | } else {\r | |
1391 | //\r | |
1392 | // Use PE32+ offset\r | |
1393 | //\r | |
1394 | DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&Hdr.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE];\r | |
1395 | }\r | |
1396 | \r | |
1397 | if (DirectoryEntry->Size != 0) {\r | |
1398 | Base = PeCoffLoaderImageAddress (ImageContext, DirectoryEntry->VirtualAddress);\r | |
1399 | \r | |
1400 | ResourceDirectory = (EFI_IMAGE_RESOURCE_DIRECTORY *) Base;\r | |
1401 | ResourceDirectoryEntry = (EFI_IMAGE_RESOURCE_DIRECTORY_ENTRY *) (ResourceDirectory + 1);\r | |
1402 | \r | |
1403 | for (Index = 0; Index < ResourceDirectory->NumberOfNamedEntries; Index++) {\r | |
1404 | if (ResourceDirectoryEntry->u1.s.NameIsString) {\r | |
1405 | ResourceDirectoryString = (EFI_IMAGE_RESOURCE_DIRECTORY_STRING *) (Base + ResourceDirectoryEntry->u1.s.NameOffset);\r | |
1406 | \r | |
1407 | if (ResourceDirectoryString->Length == 3 &&\r | |
1408 | ResourceDirectoryString->String[0] == L'H' &&\r | |
1409 | ResourceDirectoryString->String[1] == L'I' &&\r | |
1410 | ResourceDirectoryString->String[2] == L'I') {\r | |
1411 | //\r | |
1412 | // Resource Type "HII" found\r | |
1413 | //\r | |
1414 | if (ResourceDirectoryEntry->u2.s.DataIsDirectory) {\r | |
1415 | //\r | |
1416 | // Move to next level - resource Name\r | |
1417 | //\r | |
1418 | ResourceDirectory = (EFI_IMAGE_RESOURCE_DIRECTORY *) (Base + ResourceDirectoryEntry->u2.s.OffsetToDirectory);\r | |
1419 | ResourceDirectoryEntry = (EFI_IMAGE_RESOURCE_DIRECTORY_ENTRY *) (ResourceDirectory + 1);\r | |
1420 | \r | |
1421 | if (ResourceDirectoryEntry->u2.s.DataIsDirectory) {\r | |
1422 | //\r | |
1423 | // Move to next level - resource Language\r | |
1424 | //\r | |
1425 | ResourceDirectory = (EFI_IMAGE_RESOURCE_DIRECTORY *) (Base + ResourceDirectoryEntry->u2.s.OffsetToDirectory);\r | |
1426 | ResourceDirectoryEntry = (EFI_IMAGE_RESOURCE_DIRECTORY_ENTRY *) (ResourceDirectory + 1);\r | |
1427 | }\r | |
1428 | }\r | |
1429 | \r | |
1430 | //\r | |
1431 | // Now it ought to be resource Data\r | |
1432 | //\r | |
1433 | if (!ResourceDirectoryEntry->u2.s.DataIsDirectory) {\r | |
1434 | ResourceDataEntry = (EFI_IMAGE_RESOURCE_DATA_ENTRY *) (Base + ResourceDirectoryEntry->u2.OffsetToData);\r | |
1435 | ImageContext->HiiResourceData = (EFI_PHYSICAL_ADDRESS) (UINTN) PeCoffLoaderImageAddress (ImageContext, ResourceDataEntry->OffsetToData);\r | |
1436 | break;\r | |
1437 | }\r | |
1438 | }\r | |
1439 | }\r | |
1440 | \r | |
1441 | ResourceDirectoryEntry++;\r | |
1442 | }\r | |
1443 | }\r | |
1444 | }\r | |
1445 | #endif\r | |
1446 | \r | |
3eb9473e | 1447 | #if defined (EFI_DEBUG_ITP_BREAK) && !defined (_CONSOLE)\r |
1448 | AsmEfiSetBreakSupport ((UINTN)(ImageContext->ImageAddress));\r | |
1449 | #endif\r | |
1450 | \r | |
1451 | return Status;\r | |
1452 | }\r | |
1453 | \r | |
1454 | EFI_STATUS\r | |
1455 | EFIAPI\r | |
1456 | PeCoffLoaderUnloadImage (\r | |
3e99020d | 1457 | IN EFI_PEI_PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r |
3eb9473e | 1458 | )\r |
1459 | /*++\r | |
1460 | \r | |
1461 | Routine Description:\r | |
1462 | \r | |
1463 | Unload a PE/COFF image from memory\r | |
1464 | \r | |
1465 | Arguments:\r | |
1466 | \r | |
1467 | ImageContext - Contains information on image to load into memory\r | |
1468 | \r | |
1469 | Returns:\r | |
1470 | \r | |
1471 | EFI_SUCCESS \r | |
1472 | \r | |
1473 | --*/\r | |
1474 | {\r | |
1475 | #ifdef EFI_NT_EMULATOR\r | |
1476 | //\r | |
1477 | // Calling Win32 API free library\r | |
1478 | //\r | |
1479 | mPeCoffLoaderWinNtLoadAsDll->FreeLibrary (ImageContext->ModHandle);\r | |
1480 | \r | |
1481 | #endif\r | |
1482 | \r | |
1483 | return EFI_SUCCESS;\r | |
1484 | }\r |