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f51461c8 | 1 | /** @file\r |
97fa0ee9 | 2 | Elf64 convert solution\r |
f51461c8 | 3 | \r |
3f021800 | 4 | Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>\r |
87280982 | 5 | Portions copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>\r |
f51461c8 LG |
6 | \r |
7 | This program and the accompanying materials are licensed and made available\r | |
8 | under the terms and conditions of the BSD License which accompanies this\r | |
9 | distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #include "WinNtInclude.h"\r | |
18 | \r | |
19 | #ifndef __GNUC__\r | |
20 | #include <windows.h>\r | |
21 | #include <io.h>\r | |
22 | #endif\r | |
23 | #include <assert.h>\r | |
24 | #include <stdio.h>\r | |
25 | #include <stdlib.h>\r | |
26 | #include <string.h>\r | |
27 | #include <time.h>\r | |
28 | #include <ctype.h>\r | |
29 | \r | |
30 | #include <Common/UefiBaseTypes.h>\r | |
31 | #include <IndustryStandard/PeImage.h>\r | |
32 | \r | |
33 | #include "PeCoffLib.h"\r | |
34 | #include "EfiUtilityMsgs.h"\r | |
35 | \r | |
36 | #include "GenFw.h"\r | |
37 | #include "ElfConvert.h"\r | |
38 | #include "Elf64Convert.h"\r | |
39 | \r | |
40 | STATIC\r | |
41 | VOID\r | |
42 | ScanSections64 (\r | |
43 | VOID\r | |
44 | );\r | |
45 | \r | |
46 | STATIC\r | |
47 | BOOLEAN\r | |
48 | WriteSections64 (\r | |
49 | SECTION_FILTER_TYPES FilterType\r | |
50 | );\r | |
51 | \r | |
52 | STATIC\r | |
53 | VOID\r | |
54 | WriteRelocations64 (\r | |
55 | VOID\r | |
56 | );\r | |
57 | \r | |
58 | STATIC\r | |
59 | VOID\r | |
60 | WriteDebug64 (\r | |
61 | VOID\r | |
62 | );\r | |
63 | \r | |
64 | STATIC\r | |
65 | VOID\r | |
66 | SetImageSize64 (\r | |
67 | VOID\r | |
68 | );\r | |
69 | \r | |
70 | STATIC\r | |
71 | VOID\r | |
72 | CleanUp64 (\r | |
73 | VOID\r | |
74 | );\r | |
75 | \r | |
76 | //\r | |
77 | // Rename ELF32 strucutres to common names to help when porting to ELF64.\r | |
78 | //\r | |
79 | typedef Elf64_Shdr Elf_Shdr;\r | |
80 | typedef Elf64_Ehdr Elf_Ehdr;\r | |
81 | typedef Elf64_Rel Elf_Rel;\r | |
82 | typedef Elf64_Rela Elf_Rela;\r | |
83 | typedef Elf64_Sym Elf_Sym;\r | |
84 | typedef Elf64_Phdr Elf_Phdr;\r | |
85 | typedef Elf64_Dyn Elf_Dyn;\r | |
86 | #define ELFCLASS ELFCLASS64\r | |
87 | #define ELF_R_TYPE(r) ELF64_R_TYPE(r)\r | |
88 | #define ELF_R_SYM(r) ELF64_R_SYM(r)\r | |
89 | \r | |
90 | //\r | |
91 | // Well known ELF structures.\r | |
92 | //\r | |
93 | STATIC Elf_Ehdr *mEhdr;\r | |
94 | STATIC Elf_Shdr *mShdrBase;\r | |
95 | STATIC Elf_Phdr *mPhdrBase;\r | |
96 | \r | |
ecbaa856 Z |
97 | //\r |
98 | // GOT information\r | |
99 | //\r | |
100 | STATIC Elf_Shdr *mGOTShdr = NULL;\r | |
101 | STATIC UINT32 mGOTShindex = 0;\r | |
102 | STATIC UINT32 *mGOTCoffEntries = NULL;\r | |
103 | STATIC UINT32 mGOTMaxCoffEntries = 0;\r | |
104 | STATIC UINT32 mGOTNumCoffEntries = 0;\r | |
105 | \r | |
f51461c8 LG |
106 | //\r |
107 | // Coff information\r | |
108 | //\r | |
54b1b57a | 109 | STATIC UINT32 mCoffAlignment = 0x20;\r |
f51461c8 LG |
110 | \r |
111 | //\r | |
112 | // PE section alignment.\r | |
113 | //\r | |
0192b71c | 114 | STATIC const UINT16 mCoffNbrSections = 4;\r |
f51461c8 LG |
115 | \r |
116 | //\r | |
117 | // ELF sections to offset in Coff file.\r | |
118 | //\r | |
119 | STATIC UINT32 *mCoffSectionsOffset = NULL;\r | |
120 | \r | |
121 | //\r | |
122 | // Offsets in COFF file\r | |
123 | //\r | |
124 | STATIC UINT32 mNtHdrOffset;\r | |
125 | STATIC UINT32 mTextOffset;\r | |
126 | STATIC UINT32 mDataOffset;\r | |
127 | STATIC UINT32 mHiiRsrcOffset;\r | |
128 | STATIC UINT32 mRelocOffset;\r | |
0192b71c | 129 | STATIC UINT32 mDebugOffset;\r |
f51461c8 LG |
130 | \r |
131 | //\r | |
132 | // Initialization Function\r | |
133 | //\r | |
134 | BOOLEAN\r | |
135 | InitializeElf64 (\r | |
136 | UINT8 *FileBuffer,\r | |
137 | ELF_FUNCTION_TABLE *ElfFunctions\r | |
138 | )\r | |
139 | {\r | |
140 | //\r | |
141 | // Initialize data pointer and structures.\r | |
142 | //\r | |
143 | VerboseMsg ("Set EHDR");\r | |
144 | mEhdr = (Elf_Ehdr*) FileBuffer;\r | |
145 | \r | |
146 | //\r | |
147 | // Check the ELF64 specific header information.\r | |
148 | //\r | |
149 | VerboseMsg ("Check ELF64 Header Information");\r | |
150 | if (mEhdr->e_ident[EI_CLASS] != ELFCLASS64) {\r | |
151 | Error (NULL, 0, 3000, "Unsupported", "ELF EI_DATA not ELFCLASS64");\r | |
152 | return FALSE;\r | |
153 | }\r | |
154 | if (mEhdr->e_ident[EI_DATA] != ELFDATA2LSB) {\r | |
155 | Error (NULL, 0, 3000, "Unsupported", "ELF EI_DATA not ELFDATA2LSB");\r | |
156 | return FALSE;\r | |
157 | }\r | |
158 | if ((mEhdr->e_type != ET_EXEC) && (mEhdr->e_type != ET_DYN)) {\r | |
159 | Error (NULL, 0, 3000, "Unsupported", "ELF e_type not ET_EXEC or ET_DYN");\r | |
160 | return FALSE;\r | |
161 | }\r | |
162 | if (!((mEhdr->e_machine == EM_X86_64) || (mEhdr->e_machine == EM_AARCH64))) {\r | |
163 | Error (NULL, 0, 3000, "Unsupported", "ELF e_machine not EM_X86_64 or EM_AARCH64");\r | |
164 | return FALSE;\r | |
165 | }\r | |
166 | if (mEhdr->e_version != EV_CURRENT) {\r | |
167 | Error (NULL, 0, 3000, "Unsupported", "ELF e_version (%u) not EV_CURRENT (%d)", (unsigned) mEhdr->e_version, EV_CURRENT);\r | |
168 | return FALSE;\r | |
169 | }\r | |
170 | \r | |
171 | //\r | |
172 | // Update section header pointers\r | |
173 | //\r | |
174 | VerboseMsg ("Update Header Pointers");\r | |
175 | mShdrBase = (Elf_Shdr *)((UINT8 *)mEhdr + mEhdr->e_shoff);\r | |
176 | mPhdrBase = (Elf_Phdr *)((UINT8 *)mEhdr + mEhdr->e_phoff);\r | |
177 | \r | |
178 | //\r | |
179 | // Create COFF Section offset buffer and zero.\r | |
180 | //\r | |
181 | VerboseMsg ("Create COFF Section Offset Buffer");\r | |
182 | mCoffSectionsOffset = (UINT32 *)malloc(mEhdr->e_shnum * sizeof (UINT32));\r | |
06b45735 HW |
183 | if (mCoffSectionsOffset == NULL) {\r |
184 | Error (NULL, 0, 4001, "Resource", "memory cannot be allocated!");\r | |
185 | return FALSE;\r | |
186 | }\r | |
f51461c8 LG |
187 | memset(mCoffSectionsOffset, 0, mEhdr->e_shnum * sizeof(UINT32));\r |
188 | \r | |
189 | //\r | |
190 | // Fill in function pointers.\r | |
191 | //\r | |
192 | VerboseMsg ("Fill in Function Pointers");\r | |
193 | ElfFunctions->ScanSections = ScanSections64;\r | |
194 | ElfFunctions->WriteSections = WriteSections64;\r | |
195 | ElfFunctions->WriteRelocations = WriteRelocations64;\r | |
196 | ElfFunctions->WriteDebug = WriteDebug64;\r | |
197 | ElfFunctions->SetImageSize = SetImageSize64;\r | |
198 | ElfFunctions->CleanUp = CleanUp64;\r | |
199 | \r | |
200 | return TRUE;\r | |
201 | }\r | |
202 | \r | |
203 | \r | |
204 | //\r | |
205 | // Header by Index functions\r | |
206 | //\r | |
207 | STATIC\r | |
208 | Elf_Shdr*\r | |
209 | GetShdrByIndex (\r | |
210 | UINT32 Num\r | |
211 | )\r | |
212 | {\r | |
17751c5f ML |
213 | if (Num >= mEhdr->e_shnum) {\r |
214 | Error (NULL, 0, 3000, "Invalid", "GetShdrByIndex: Index %u is too high.", Num);\r | |
215 | exit(EXIT_FAILURE);\r | |
216 | }\r | |
217 | \r | |
f51461c8 LG |
218 | return (Elf_Shdr*)((UINT8*)mShdrBase + Num * mEhdr->e_shentsize);\r |
219 | }\r | |
220 | \r | |
221 | STATIC\r | |
222 | UINT32\r | |
223 | CoffAlign (\r | |
224 | UINT32 Offset\r | |
225 | )\r | |
226 | {\r | |
227 | return (Offset + mCoffAlignment - 1) & ~(mCoffAlignment - 1);\r | |
228 | }\r | |
229 | \r | |
4f7d5c67 AB |
230 | STATIC\r |
231 | UINT32\r | |
232 | DebugRvaAlign (\r | |
233 | UINT32 Offset\r | |
234 | )\r | |
235 | {\r | |
236 | return (Offset + 3) & ~3;\r | |
237 | }\r | |
238 | \r | |
f51461c8 LG |
239 | //\r |
240 | // filter functions\r | |
241 | //\r | |
242 | STATIC\r | |
243 | BOOLEAN\r | |
244 | IsTextShdr (\r | |
245 | Elf_Shdr *Shdr\r | |
246 | )\r | |
247 | {\r | |
248 | return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == SHF_ALLOC);\r | |
249 | }\r | |
250 | \r | |
251 | STATIC\r | |
252 | BOOLEAN\r | |
253 | IsHiiRsrcShdr (\r | |
254 | Elf_Shdr *Shdr\r | |
255 | )\r | |
256 | {\r | |
257 | Elf_Shdr *Namedr = GetShdrByIndex(mEhdr->e_shstrndx);\r | |
258 | \r | |
259 | return (BOOLEAN) (strcmp((CHAR8*)mEhdr + Namedr->sh_offset + Shdr->sh_name, ELF_HII_SECTION_NAME) == 0);\r | |
260 | }\r | |
261 | \r | |
262 | STATIC\r | |
263 | BOOLEAN\r | |
264 | IsDataShdr (\r | |
265 | Elf_Shdr *Shdr\r | |
266 | )\r | |
267 | {\r | |
268 | if (IsHiiRsrcShdr(Shdr)) {\r | |
269 | return FALSE;\r | |
270 | }\r | |
271 | return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == (SHF_ALLOC | SHF_WRITE);\r | |
272 | }\r | |
273 | \r | |
621bb723 ML |
274 | STATIC\r |
275 | BOOLEAN\r | |
276 | IsStrtabShdr (\r | |
277 | Elf_Shdr *Shdr\r | |
278 | )\r | |
279 | {\r | |
280 | Elf_Shdr *Namedr = GetShdrByIndex(mEhdr->e_shstrndx);\r | |
281 | \r | |
282 | return (BOOLEAN) (strcmp((CHAR8*)mEhdr + Namedr->sh_offset + Shdr->sh_name, ELF_STRTAB_SECTION_NAME) == 0);\r | |
283 | }\r | |
284 | \r | |
285 | STATIC\r | |
286 | Elf_Shdr *\r | |
287 | FindStrtabShdr (\r | |
288 | VOID\r | |
289 | )\r | |
290 | {\r | |
291 | UINT32 i;\r | |
292 | for (i = 0; i < mEhdr->e_shnum; i++) {\r | |
293 | Elf_Shdr *shdr = GetShdrByIndex(i);\r | |
294 | if (IsStrtabShdr(shdr)) {\r | |
295 | return shdr;\r | |
296 | }\r | |
297 | }\r | |
298 | return NULL;\r | |
299 | }\r | |
300 | \r | |
301 | STATIC\r | |
302 | const UINT8 *\r | |
303 | GetSymName (\r | |
304 | Elf_Sym *Sym\r | |
305 | )\r | |
306 | {\r | |
7be7b25d HW |
307 | Elf_Shdr *StrtabShdr;\r |
308 | UINT8 *StrtabContents;\r | |
309 | BOOLEAN foundEnd;\r | |
310 | UINT32 i;\r | |
311 | \r | |
621bb723 ML |
312 | if (Sym->st_name == 0) {\r |
313 | return NULL;\r | |
314 | }\r | |
315 | \r | |
7be7b25d | 316 | StrtabShdr = FindStrtabShdr();\r |
621bb723 ML |
317 | if (StrtabShdr == NULL) {\r |
318 | return NULL;\r | |
319 | }\r | |
320 | \r | |
321 | assert(Sym->st_name < StrtabShdr->sh_size);\r | |
322 | \r | |
7be7b25d | 323 | StrtabContents = (UINT8*)mEhdr + StrtabShdr->sh_offset;\r |
ea3e924a | 324 | \r |
7be7b25d | 325 | foundEnd = FALSE;\r |
a754c70c | 326 | for (i= Sym->st_name; (i < StrtabShdr->sh_size) && !foundEnd; i++) {\r |
7be7b25d | 327 | foundEnd = (BOOLEAN)(StrtabContents[i] == 0);\r |
ea3e924a ML |
328 | }\r |
329 | assert(foundEnd);\r | |
330 | \r | |
331 | return StrtabContents + Sym->st_name;\r | |
621bb723 ML |
332 | }\r |
333 | \r | |
ecbaa856 Z |
334 | //\r |
335 | // Find the ELF section hosting the GOT from an ELF Rva\r | |
336 | // of a single GOT entry. Normally, GOT is placed in\r | |
337 | // ELF .text section, so assume once we find in which\r | |
338 | // section the GOT is, all GOT entries are there, and\r | |
339 | // just verify this.\r | |
340 | //\r | |
341 | STATIC\r | |
342 | VOID\r | |
343 | FindElfGOTSectionFromGOTEntryElfRva (\r | |
344 | Elf64_Addr GOTEntryElfRva\r | |
345 | )\r | |
346 | {\r | |
347 | UINT32 i;\r | |
348 | if (mGOTShdr != NULL) {\r | |
349 | if (GOTEntryElfRva >= mGOTShdr->sh_addr &&\r | |
350 | GOTEntryElfRva < mGOTShdr->sh_addr + mGOTShdr->sh_size) {\r | |
351 | return;\r | |
352 | }\r | |
353 | Error (NULL, 0, 3000, "Unsupported", "FindElfGOTSectionFromGOTEntryElfRva: GOT entries found in multiple sections.");\r | |
354 | exit(EXIT_FAILURE);\r | |
355 | }\r | |
356 | for (i = 0; i < mEhdr->e_shnum; i++) {\r | |
357 | Elf_Shdr *shdr = GetShdrByIndex(i);\r | |
358 | if (GOTEntryElfRva >= shdr->sh_addr &&\r | |
359 | GOTEntryElfRva < shdr->sh_addr + shdr->sh_size) {\r | |
360 | mGOTShdr = shdr;\r | |
361 | mGOTShindex = i;\r | |
362 | return;\r | |
363 | }\r | |
364 | }\r | |
365 | Error (NULL, 0, 3000, "Invalid", "FindElfGOTSectionFromGOTEntryElfRva: ElfRva 0x%016LX for GOT entry not found in any section.", GOTEntryElfRva);\r | |
366 | exit(EXIT_FAILURE);\r | |
367 | }\r | |
368 | \r | |
369 | //\r | |
370 | // Stores locations of GOT entries in COFF image.\r | |
371 | // Returns TRUE if GOT entry is new.\r | |
372 | // Simple implementation as number of GOT\r | |
373 | // entries is expected to be low.\r | |
374 | //\r | |
375 | \r | |
376 | STATIC\r | |
377 | BOOLEAN\r | |
378 | AccumulateCoffGOTEntries (\r | |
379 | UINT32 GOTCoffEntry\r | |
380 | )\r | |
381 | {\r | |
382 | UINT32 i;\r | |
383 | if (mGOTCoffEntries != NULL) {\r | |
384 | for (i = 0; i < mGOTNumCoffEntries; i++) {\r | |
385 | if (mGOTCoffEntries[i] == GOTCoffEntry) {\r | |
386 | return FALSE;\r | |
387 | }\r | |
388 | }\r | |
389 | }\r | |
390 | if (mGOTCoffEntries == NULL) {\r | |
391 | mGOTCoffEntries = (UINT32*)malloc(5 * sizeof *mGOTCoffEntries);\r | |
392 | if (mGOTCoffEntries == NULL) {\r | |
393 | Error (NULL, 0, 4001, "Resource", "memory cannot be allocated!");\r | |
394 | }\r | |
395 | assert (mGOTCoffEntries != NULL);\r | |
396 | mGOTMaxCoffEntries = 5;\r | |
397 | mGOTNumCoffEntries = 0;\r | |
398 | } else if (mGOTNumCoffEntries == mGOTMaxCoffEntries) {\r | |
399 | mGOTCoffEntries = (UINT32*)realloc(mGOTCoffEntries, 2 * mGOTMaxCoffEntries * sizeof *mGOTCoffEntries);\r | |
400 | if (mGOTCoffEntries == NULL) {\r | |
401 | Error (NULL, 0, 4001, "Resource", "memory cannot be allocated!");\r | |
402 | }\r | |
403 | assert (mGOTCoffEntries != NULL);\r | |
404 | mGOTMaxCoffEntries += mGOTMaxCoffEntries;\r | |
405 | }\r | |
406 | mGOTCoffEntries[mGOTNumCoffEntries++] = GOTCoffEntry;\r | |
407 | return TRUE;\r | |
408 | }\r | |
409 | \r | |
410 | //\r | |
411 | // 32-bit Unsigned integer comparator for qsort.\r | |
412 | //\r | |
413 | STATIC\r | |
414 | int\r | |
415 | UINT32Comparator (\r | |
416 | const void* lhs,\r | |
417 | const void* rhs\r | |
418 | )\r | |
419 | {\r | |
420 | if (*(const UINT32*)lhs < *(const UINT32*)rhs) {\r | |
421 | return -1;\r | |
422 | }\r | |
423 | return *(const UINT32*)lhs > *(const UINT32*)rhs;\r | |
424 | }\r | |
425 | \r | |
426 | //\r | |
427 | // Emit accumulated Coff GOT entry relocations into\r | |
428 | // Coff image. This function performs its job\r | |
429 | // once and then releases the entry list, so\r | |
430 | // it can safely be called multiple times.\r | |
431 | //\r | |
432 | STATIC\r | |
433 | VOID\r | |
434 | EmitGOTRelocations (\r | |
435 | VOID\r | |
436 | )\r | |
437 | {\r | |
438 | UINT32 i;\r | |
439 | if (mGOTCoffEntries == NULL) {\r | |
440 | return;\r | |
441 | }\r | |
442 | //\r | |
443 | // Emit Coff relocations with Rvas ordered.\r | |
444 | //\r | |
445 | qsort(\r | |
446 | mGOTCoffEntries,\r | |
447 | mGOTNumCoffEntries,\r | |
448 | sizeof *mGOTCoffEntries,\r | |
449 | UINT32Comparator);\r | |
450 | for (i = 0; i < mGOTNumCoffEntries; i++) {\r | |
451 | VerboseMsg ("EFI_IMAGE_REL_BASED_DIR64 Offset: 0x%08X", mGOTCoffEntries[i]);\r | |
452 | CoffAddFixup(\r | |
453 | mGOTCoffEntries[i],\r | |
454 | EFI_IMAGE_REL_BASED_DIR64);\r | |
455 | }\r | |
456 | free(mGOTCoffEntries);\r | |
457 | mGOTCoffEntries = NULL;\r | |
458 | mGOTMaxCoffEntries = 0;\r | |
459 | mGOTNumCoffEntries = 0;\r | |
460 | }\r | |
461 | \r | |
f51461c8 LG |
462 | //\r |
463 | // Elf functions interface implementation\r | |
464 | //\r | |
465 | \r | |
466 | STATIC\r | |
467 | VOID\r | |
468 | ScanSections64 (\r | |
469 | VOID\r | |
470 | )\r | |
471 | {\r | |
472 | UINT32 i;\r | |
473 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
474 | EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;\r | |
475 | UINT32 CoffEntry;\r | |
476 | UINT32 SectionCount;\r | |
234f9ff9 | 477 | BOOLEAN FoundSection;\r |
f51461c8 LG |
478 | \r |
479 | CoffEntry = 0;\r | |
480 | mCoffOffset = 0;\r | |
f51461c8 LG |
481 | \r |
482 | //\r | |
483 | // Coff file start with a DOS header.\r | |
484 | //\r | |
485 | mCoffOffset = sizeof(EFI_IMAGE_DOS_HEADER) + 0x40;\r | |
486 | mNtHdrOffset = mCoffOffset;\r | |
487 | switch (mEhdr->e_machine) {\r | |
488 | case EM_X86_64:\r | |
489 | case EM_IA_64:\r | |
490 | case EM_AARCH64:\r | |
491 | mCoffOffset += sizeof (EFI_IMAGE_NT_HEADERS64);\r | |
492 | break;\r | |
493 | default:\r | |
ea3e924a | 494 | VerboseMsg ("%s unknown e_machine type %hu. Assume X64", mInImageName, mEhdr->e_machine);\r |
f51461c8 LG |
495 | mCoffOffset += sizeof (EFI_IMAGE_NT_HEADERS64);\r |
496 | break;\r | |
497 | }\r | |
498 | \r | |
499 | mTableOffset = mCoffOffset;\r | |
500 | mCoffOffset += mCoffNbrSections * sizeof(EFI_IMAGE_SECTION_HEADER);\r | |
501 | \r | |
54b1b57a AB |
502 | //\r |
503 | // Set mCoffAlignment to the maximum alignment of the input sections\r | |
504 | // we care about\r | |
505 | //\r | |
506 | for (i = 0; i < mEhdr->e_shnum; i++) {\r | |
507 | Elf_Shdr *shdr = GetShdrByIndex(i);\r | |
508 | if (shdr->sh_addralign <= mCoffAlignment) {\r | |
509 | continue;\r | |
510 | }\r | |
511 | if (IsTextShdr(shdr) || IsDataShdr(shdr) || IsHiiRsrcShdr(shdr)) {\r | |
512 | mCoffAlignment = (UINT32)shdr->sh_addralign;\r | |
513 | }\r | |
514 | }\r | |
515 | \r | |
3f021800 YF |
516 | //\r |
517 | // Check if mCoffAlignment is larger than MAX_COFF_ALIGNMENT\r | |
518 | //\r | |
519 | if (mCoffAlignment > MAX_COFF_ALIGNMENT) {\r | |
520 | Error (NULL, 0, 3000, "Invalid", "Section alignment is larger than MAX_COFF_ALIGNMENT.");\r | |
521 | assert (FALSE);\r | |
522 | }\r | |
523 | \r | |
524 | \r | |
02a5421f AB |
525 | //\r |
526 | // Move the PE/COFF header right before the first section. This will help us\r | |
527 | // save space when converting to TE.\r | |
528 | //\r | |
529 | if (mCoffAlignment > mCoffOffset) {\r | |
530 | mNtHdrOffset += mCoffAlignment - mCoffOffset;\r | |
531 | mTableOffset += mCoffAlignment - mCoffOffset;\r | |
532 | mCoffOffset = mCoffAlignment;\r | |
533 | }\r | |
534 | \r | |
f51461c8 LG |
535 | //\r |
536 | // First text sections.\r | |
537 | //\r | |
538 | mCoffOffset = CoffAlign(mCoffOffset);\r | |
234f9ff9 EB |
539 | mTextOffset = mCoffOffset;\r |
540 | FoundSection = FALSE;\r | |
f51461c8 LG |
541 | SectionCount = 0;\r |
542 | for (i = 0; i < mEhdr->e_shnum; i++) {\r | |
543 | Elf_Shdr *shdr = GetShdrByIndex(i);\r | |
544 | if (IsTextShdr(shdr)) {\r | |
545 | if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {\r | |
546 | // the alignment field is valid\r | |
547 | if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {\r | |
548 | // if the section address is aligned we must align PE/COFF\r | |
549 | mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));\r | |
0c960e86 AB |
550 | } else {\r |
551 | Error (NULL, 0, 3000, "Invalid", "Section address not aligned to its own alignment.");\r | |
f51461c8 LG |
552 | }\r |
553 | }\r | |
554 | \r | |
555 | /* Relocate entry. */\r | |
556 | if ((mEhdr->e_entry >= shdr->sh_addr) &&\r | |
557 | (mEhdr->e_entry < shdr->sh_addr + shdr->sh_size)) {\r | |
558 | CoffEntry = (UINT32) (mCoffOffset + mEhdr->e_entry - shdr->sh_addr);\r | |
559 | }\r | |
560 | \r | |
561 | //\r | |
562 | // Set mTextOffset with the offset of the first '.text' section\r | |
563 | //\r | |
234f9ff9 | 564 | if (!FoundSection) {\r |
f51461c8 | 565 | mTextOffset = mCoffOffset;\r |
234f9ff9 | 566 | FoundSection = TRUE;\r |
f51461c8 LG |
567 | }\r |
568 | \r | |
569 | mCoffSectionsOffset[i] = mCoffOffset;\r | |
570 | mCoffOffset += (UINT32) shdr->sh_size;\r | |
571 | SectionCount ++;\r | |
572 | }\r | |
573 | }\r | |
574 | \r | |
234f9ff9 | 575 | if (!FoundSection) {\r |
f51461c8 LG |
576 | Error (NULL, 0, 3000, "Invalid", "Did not find any '.text' section.");\r |
577 | assert (FALSE);\r | |
578 | }\r | |
579 | \r | |
4f7d5c67 | 580 | mDebugOffset = DebugRvaAlign(mCoffOffset);\r |
0c960e86 | 581 | mCoffOffset = CoffAlign(mCoffOffset);\r |
f51461c8 LG |
582 | \r |
583 | if (SectionCount > 1 && mOutImageType == FW_EFI_IMAGE) {\r | |
584 | Warning (NULL, 0, 0, NULL, "Mulitple sections in %s are merged into 1 text section. Source level debug might not work correctly.", mInImageName);\r | |
585 | }\r | |
586 | \r | |
587 | //\r | |
588 | // Then data sections.\r | |
589 | //\r | |
590 | mDataOffset = mCoffOffset;\r | |
234f9ff9 | 591 | FoundSection = FALSE;\r |
f51461c8 LG |
592 | SectionCount = 0;\r |
593 | for (i = 0; i < mEhdr->e_shnum; i++) {\r | |
594 | Elf_Shdr *shdr = GetShdrByIndex(i);\r | |
595 | if (IsDataShdr(shdr)) {\r | |
596 | if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {\r | |
597 | // the alignment field is valid\r | |
598 | if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {\r | |
599 | // if the section address is aligned we must align PE/COFF\r | |
600 | mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));\r | |
0c960e86 AB |
601 | } else {\r |
602 | Error (NULL, 0, 3000, "Invalid", "Section address not aligned to its own alignment.");\r | |
f51461c8 LG |
603 | }\r |
604 | }\r | |
234f9ff9 EB |
605 | \r |
606 | //\r | |
607 | // Set mDataOffset with the offset of the first '.data' section\r | |
608 | //\r | |
609 | if (!FoundSection) {\r | |
610 | mDataOffset = mCoffOffset;\r | |
611 | FoundSection = TRUE;\r | |
612 | }\r | |
f51461c8 LG |
613 | mCoffSectionsOffset[i] = mCoffOffset;\r |
614 | mCoffOffset += (UINT32) shdr->sh_size;\r | |
615 | SectionCount ++;\r | |
616 | }\r | |
617 | }\r | |
0192b71c AB |
618 | \r |
619 | //\r | |
620 | // Make room for .debug data in .data (or .text if .data is empty) instead of\r | |
621 | // putting it in a section of its own. This is explicitly allowed by the\r | |
622 | // PE/COFF spec, and prevents bloat in the binary when using large values for\r | |
623 | // section alignment.\r | |
624 | //\r | |
625 | if (SectionCount > 0) {\r | |
4f7d5c67 | 626 | mDebugOffset = DebugRvaAlign(mCoffOffset);\r |
0192b71c AB |
627 | }\r |
628 | mCoffOffset = mDebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY) +\r | |
629 | sizeof(EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY) +\r | |
630 | strlen(mInImageName) + 1;\r | |
631 | \r | |
f51461c8 | 632 | mCoffOffset = CoffAlign(mCoffOffset);\r |
0192b71c AB |
633 | if (SectionCount == 0) {\r |
634 | mDataOffset = mCoffOffset;\r | |
635 | }\r | |
f51461c8 LG |
636 | \r |
637 | if (SectionCount > 1 && mOutImageType == FW_EFI_IMAGE) {\r | |
638 | Warning (NULL, 0, 0, NULL, "Mulitple sections in %s are merged into 1 data section. Source level debug might not work correctly.", mInImageName);\r | |
639 | }\r | |
640 | \r | |
641 | //\r | |
642 | // The HII resource sections.\r | |
643 | //\r | |
644 | mHiiRsrcOffset = mCoffOffset;\r | |
645 | for (i = 0; i < mEhdr->e_shnum; i++) {\r | |
646 | Elf_Shdr *shdr = GetShdrByIndex(i);\r | |
647 | if (IsHiiRsrcShdr(shdr)) {\r | |
648 | if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {\r | |
649 | // the alignment field is valid\r | |
650 | if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {\r | |
651 | // if the section address is aligned we must align PE/COFF\r | |
652 | mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));\r | |
0c960e86 AB |
653 | } else {\r |
654 | Error (NULL, 0, 3000, "Invalid", "Section address not aligned to its own alignment.");\r | |
f51461c8 LG |
655 | }\r |
656 | }\r | |
657 | if (shdr->sh_size != 0) {\r | |
234f9ff9 | 658 | mHiiRsrcOffset = mCoffOffset;\r |
f51461c8 LG |
659 | mCoffSectionsOffset[i] = mCoffOffset;\r |
660 | mCoffOffset += (UINT32) shdr->sh_size;\r | |
661 | mCoffOffset = CoffAlign(mCoffOffset);\r | |
662 | SetHiiResourceHeader ((UINT8*) mEhdr + shdr->sh_offset, mHiiRsrcOffset);\r | |
663 | }\r | |
664 | break;\r | |
665 | }\r | |
666 | }\r | |
667 | \r | |
668 | mRelocOffset = mCoffOffset;\r | |
669 | \r | |
670 | //\r | |
671 | // Allocate base Coff file. Will be expanded later for relocations.\r | |
672 | //\r | |
673 | mCoffFile = (UINT8 *)malloc(mCoffOffset);\r | |
06b45735 HW |
674 | if (mCoffFile == NULL) {\r |
675 | Error (NULL, 0, 4001, "Resource", "memory cannot be allocated!");\r | |
676 | }\r | |
677 | assert (mCoffFile != NULL);\r | |
f51461c8 LG |
678 | memset(mCoffFile, 0, mCoffOffset);\r |
679 | \r | |
680 | //\r | |
681 | // Fill headers.\r | |
682 | //\r | |
683 | DosHdr = (EFI_IMAGE_DOS_HEADER *)mCoffFile;\r | |
684 | DosHdr->e_magic = EFI_IMAGE_DOS_SIGNATURE;\r | |
685 | DosHdr->e_lfanew = mNtHdrOffset;\r | |
686 | \r | |
687 | NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION*)(mCoffFile + mNtHdrOffset);\r | |
688 | \r | |
689 | NtHdr->Pe32Plus.Signature = EFI_IMAGE_NT_SIGNATURE;\r | |
690 | \r | |
691 | switch (mEhdr->e_machine) {\r | |
692 | case EM_X86_64:\r | |
693 | NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_X64;\r | |
694 | NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
695 | break;\r | |
696 | case EM_IA_64:\r | |
697 | NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_IPF;\r | |
698 | NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
699 | break;\r | |
700 | case EM_AARCH64:\r | |
701 | NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_AARCH64;\r | |
702 | NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
703 | break;\r | |
704 | default:\r | |
705 | VerboseMsg ("%s unknown e_machine type. Assume X64", (UINTN)mEhdr->e_machine);\r | |
706 | NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_X64;\r | |
707 | NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
708 | }\r | |
709 | \r | |
710 | NtHdr->Pe32Plus.FileHeader.NumberOfSections = mCoffNbrSections;\r | |
711 | NtHdr->Pe32Plus.FileHeader.TimeDateStamp = (UINT32) time(NULL);\r | |
712 | mImageTimeStamp = NtHdr->Pe32Plus.FileHeader.TimeDateStamp;\r | |
713 | NtHdr->Pe32Plus.FileHeader.PointerToSymbolTable = 0;\r | |
714 | NtHdr->Pe32Plus.FileHeader.NumberOfSymbols = 0;\r | |
715 | NtHdr->Pe32Plus.FileHeader.SizeOfOptionalHeader = sizeof(NtHdr->Pe32Plus.OptionalHeader);\r | |
716 | NtHdr->Pe32Plus.FileHeader.Characteristics = EFI_IMAGE_FILE_EXECUTABLE_IMAGE\r | |
717 | | EFI_IMAGE_FILE_LINE_NUMS_STRIPPED\r | |
718 | | EFI_IMAGE_FILE_LOCAL_SYMS_STRIPPED\r | |
719 | | EFI_IMAGE_FILE_LARGE_ADDRESS_AWARE;\r | |
720 | \r | |
721 | NtHdr->Pe32Plus.OptionalHeader.SizeOfCode = mDataOffset - mTextOffset;\r | |
722 | NtHdr->Pe32Plus.OptionalHeader.SizeOfInitializedData = mRelocOffset - mDataOffset;\r | |
723 | NtHdr->Pe32Plus.OptionalHeader.SizeOfUninitializedData = 0;\r | |
724 | NtHdr->Pe32Plus.OptionalHeader.AddressOfEntryPoint = CoffEntry;\r | |
725 | \r | |
726 | NtHdr->Pe32Plus.OptionalHeader.BaseOfCode = mTextOffset;\r | |
727 | \r | |
728 | NtHdr->Pe32Plus.OptionalHeader.ImageBase = 0;\r | |
729 | NtHdr->Pe32Plus.OptionalHeader.SectionAlignment = mCoffAlignment;\r | |
730 | NtHdr->Pe32Plus.OptionalHeader.FileAlignment = mCoffAlignment;\r | |
731 | NtHdr->Pe32Plus.OptionalHeader.SizeOfImage = 0;\r | |
732 | \r | |
733 | NtHdr->Pe32Plus.OptionalHeader.SizeOfHeaders = mTextOffset;\r | |
734 | NtHdr->Pe32Plus.OptionalHeader.NumberOfRvaAndSizes = EFI_IMAGE_NUMBER_OF_DIRECTORY_ENTRIES;\r | |
735 | \r | |
736 | //\r | |
737 | // Section headers.\r | |
738 | //\r | |
739 | if ((mDataOffset - mTextOffset) > 0) {\r | |
740 | CreateSectionHeader (".text", mTextOffset, mDataOffset - mTextOffset,\r | |
741 | EFI_IMAGE_SCN_CNT_CODE\r | |
742 | | EFI_IMAGE_SCN_MEM_EXECUTE\r | |
743 | | EFI_IMAGE_SCN_MEM_READ);\r | |
744 | } else {\r | |
745 | // Don't make a section of size 0.\r | |
746 | NtHdr->Pe32Plus.FileHeader.NumberOfSections--;\r | |
747 | }\r | |
748 | \r | |
749 | if ((mHiiRsrcOffset - mDataOffset) > 0) {\r | |
750 | CreateSectionHeader (".data", mDataOffset, mHiiRsrcOffset - mDataOffset,\r | |
751 | EFI_IMAGE_SCN_CNT_INITIALIZED_DATA\r | |
752 | | EFI_IMAGE_SCN_MEM_WRITE\r | |
753 | | EFI_IMAGE_SCN_MEM_READ);\r | |
754 | } else {\r | |
755 | // Don't make a section of size 0.\r | |
756 | NtHdr->Pe32Plus.FileHeader.NumberOfSections--;\r | |
757 | }\r | |
758 | \r | |
759 | if ((mRelocOffset - mHiiRsrcOffset) > 0) {\r | |
760 | CreateSectionHeader (".rsrc", mHiiRsrcOffset, mRelocOffset - mHiiRsrcOffset,\r | |
761 | EFI_IMAGE_SCN_CNT_INITIALIZED_DATA\r | |
762 | | EFI_IMAGE_SCN_MEM_READ);\r | |
763 | \r | |
764 | NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE].Size = mRelocOffset - mHiiRsrcOffset;\r | |
765 | NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress = mHiiRsrcOffset;\r | |
766 | } else {\r | |
767 | // Don't make a section of size 0.\r | |
768 | NtHdr->Pe32Plus.FileHeader.NumberOfSections--;\r | |
769 | }\r | |
770 | \r | |
771 | }\r | |
772 | \r | |
773 | STATIC\r | |
774 | BOOLEAN\r | |
775 | WriteSections64 (\r | |
776 | SECTION_FILTER_TYPES FilterType\r | |
777 | )\r | |
778 | {\r | |
779 | UINT32 Idx;\r | |
780 | Elf_Shdr *SecShdr;\r | |
781 | UINT32 SecOffset;\r | |
782 | BOOLEAN (*Filter)(Elf_Shdr *);\r | |
ecbaa856 | 783 | Elf64_Addr GOTEntryRva;\r |
f51461c8 LG |
784 | \r |
785 | //\r | |
786 | // Initialize filter pointer\r | |
787 | //\r | |
788 | switch (FilterType) {\r | |
789 | case SECTION_TEXT:\r | |
790 | Filter = IsTextShdr;\r | |
791 | break;\r | |
792 | case SECTION_HII:\r | |
793 | Filter = IsHiiRsrcShdr;\r | |
794 | break;\r | |
795 | case SECTION_DATA:\r | |
796 | Filter = IsDataShdr;\r | |
797 | break;\r | |
798 | default:\r | |
799 | return FALSE;\r | |
800 | }\r | |
801 | \r | |
802 | //\r | |
803 | // First: copy sections.\r | |
804 | //\r | |
805 | for (Idx = 0; Idx < mEhdr->e_shnum; Idx++) {\r | |
806 | Elf_Shdr *Shdr = GetShdrByIndex(Idx);\r | |
807 | if ((*Filter)(Shdr)) {\r | |
808 | switch (Shdr->sh_type) {\r | |
809 | case SHT_PROGBITS:\r | |
810 | /* Copy. */\r | |
d78675d1 YF |
811 | if (Shdr->sh_offset + Shdr->sh_size > mFileBufferSize) {\r |
812 | return FALSE;\r | |
813 | }\r | |
f51461c8 LG |
814 | memcpy(mCoffFile + mCoffSectionsOffset[Idx],\r |
815 | (UINT8*)mEhdr + Shdr->sh_offset,\r | |
816 | (size_t) Shdr->sh_size);\r | |
817 | break;\r | |
818 | \r | |
819 | case SHT_NOBITS:\r | |
820 | memset(mCoffFile + mCoffSectionsOffset[Idx], 0, (size_t) Shdr->sh_size);\r | |
821 | break;\r | |
822 | \r | |
823 | default:\r | |
824 | //\r | |
825 | // Ignore for unkown section type.\r | |
826 | //\r | |
1794b98f | 827 | VerboseMsg ("%s unknown section type %x. We ignore this unknown section type.", mInImageName, (unsigned)Shdr->sh_type);\r |
f51461c8 LG |
828 | break;\r |
829 | }\r | |
830 | }\r | |
831 | }\r | |
832 | \r | |
833 | //\r | |
834 | // Second: apply relocations.\r | |
835 | //\r | |
836 | VerboseMsg ("Applying Relocations...");\r | |
837 | for (Idx = 0; Idx < mEhdr->e_shnum; Idx++) {\r | |
838 | //\r | |
839 | // Determine if this is a relocation section.\r | |
840 | //\r | |
841 | Elf_Shdr *RelShdr = GetShdrByIndex(Idx);\r | |
842 | if ((RelShdr->sh_type != SHT_REL) && (RelShdr->sh_type != SHT_RELA)) {\r | |
843 | continue;\r | |
844 | }\r | |
845 | \r | |
4962fcfa AB |
846 | //\r |
847 | // If this is a ET_DYN (PIE) executable, we will encounter a dynamic SHT_RELA\r | |
848 | // section that applies to the entire binary, and which will have its section\r | |
849 | // index set to #0 (which is a NULL section with the SHF_ALLOC bit cleared).\r | |
850 | //\r | |
ecbaa856 | 851 | // In the absence of GOT based relocations,\r |
4962fcfa AB |
852 | // this RELA section will contain redundant R_xxx_RELATIVE relocations, one\r |
853 | // for every R_xxx_xx64 relocation appearing in the per-section RELA sections.\r | |
854 | // (i.e., .rela.text and .rela.data)\r | |
855 | //\r | |
856 | if (RelShdr->sh_info == 0) {\r | |
857 | continue;\r | |
858 | }\r | |
859 | \r | |
f51461c8 LG |
860 | //\r |
861 | // Relocation section found. Now extract section information that the relocations\r | |
862 | // apply to in the ELF data and the new COFF data.\r | |
863 | //\r | |
864 | SecShdr = GetShdrByIndex(RelShdr->sh_info);\r | |
865 | SecOffset = mCoffSectionsOffset[RelShdr->sh_info];\r | |
866 | \r | |
867 | //\r | |
868 | // Only process relocations for the current filter type.\r | |
869 | //\r | |
870 | if (RelShdr->sh_type == SHT_RELA && (*Filter)(SecShdr)) {\r | |
871 | UINT64 RelIdx;\r | |
872 | \r | |
873 | //\r | |
874 | // Determine the symbol table referenced by the relocation data.\r | |
875 | //\r | |
876 | Elf_Shdr *SymtabShdr = GetShdrByIndex(RelShdr->sh_link);\r | |
877 | UINT8 *Symtab = (UINT8*)mEhdr + SymtabShdr->sh_offset;\r | |
878 | \r | |
879 | //\r | |
880 | // Process all relocation entries for this section.\r | |
881 | //\r | |
882 | for (RelIdx = 0; RelIdx < RelShdr->sh_size; RelIdx += (UINT32) RelShdr->sh_entsize) {\r | |
883 | \r | |
884 | //\r | |
885 | // Set pointer to relocation entry\r | |
886 | //\r | |
887 | Elf_Rela *Rel = (Elf_Rela *)((UINT8*)mEhdr + RelShdr->sh_offset + RelIdx);\r | |
888 | \r | |
889 | //\r | |
890 | // Set pointer to symbol table entry associated with the relocation entry.\r | |
891 | //\r | |
892 | Elf_Sym *Sym = (Elf_Sym *)(Symtab + ELF_R_SYM(Rel->r_info) * SymtabShdr->sh_entsize);\r | |
893 | \r | |
894 | Elf_Shdr *SymShdr;\r | |
895 | UINT8 *Targ;\r | |
896 | \r | |
897 | //\r | |
898 | // Check section header index found in symbol table and get the section\r | |
899 | // header location.\r | |
900 | //\r | |
901 | if (Sym->st_shndx == SHN_UNDEF\r | |
621bb723 ML |
902 | || Sym->st_shndx >= mEhdr->e_shnum) {\r |
903 | const UINT8 *SymName = GetSymName(Sym);\r | |
904 | if (SymName == NULL) {\r | |
905 | SymName = (const UINT8 *)"<unknown>";\r | |
906 | }\r | |
907 | \r | |
908 | Error (NULL, 0, 3000, "Invalid",\r | |
ea3e924a | 909 | "%s: Bad definition for symbol '%s'@%#llx or unsupported symbol type. "\r |
621bb723 ML |
910 | "For example, absolute and undefined symbols are not supported.",\r |
911 | mInImageName, SymName, Sym->st_value);\r | |
912 | \r | |
913 | exit(EXIT_FAILURE);\r | |
f51461c8 LG |
914 | }\r |
915 | SymShdr = GetShdrByIndex(Sym->st_shndx);\r | |
916 | \r | |
917 | //\r | |
918 | // Convert the relocation data to a pointer into the coff file.\r | |
919 | //\r | |
920 | // Note:\r | |
921 | // r_offset is the virtual address of the storage unit to be relocated.\r | |
922 | // sh_addr is the virtual address for the base of the section.\r | |
923 | //\r | |
924 | // r_offset in a memory address.\r | |
925 | // Convert it to a pointer in the coff file.\r | |
926 | //\r | |
927 | Targ = mCoffFile + SecOffset + (Rel->r_offset - SecShdr->sh_addr);\r | |
928 | \r | |
929 | //\r | |
930 | // Determine how to handle each relocation type based on the machine type.\r | |
931 | //\r | |
932 | if (mEhdr->e_machine == EM_X86_64) {\r | |
933 | switch (ELF_R_TYPE(Rel->r_info)) {\r | |
934 | case R_X86_64_NONE:\r | |
935 | break;\r | |
936 | case R_X86_64_64:\r | |
937 | //\r | |
938 | // Absolute relocation.\r | |
939 | //\r | |
940 | VerboseMsg ("R_X86_64_64");\r | |
f7496d71 LG |
941 | VerboseMsg ("Offset: 0x%08X, Addend: 0x%016LX",\r |
942 | (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),\r | |
f51461c8 LG |
943 | *(UINT64 *)Targ);\r |
944 | *(UINT64 *)Targ = *(UINT64 *)Targ - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx];\r | |
945 | VerboseMsg ("Relocation: 0x%016LX", *(UINT64*)Targ);\r | |
946 | break;\r | |
947 | case R_X86_64_32:\r | |
948 | VerboseMsg ("R_X86_64_32");\r | |
f7496d71 LG |
949 | VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",\r |
950 | (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),\r | |
f51461c8 LG |
951 | *(UINT32 *)Targ);\r |
952 | *(UINT32 *)Targ = (UINT32)((UINT64)(*(UINT32 *)Targ) - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx]);\r | |
953 | VerboseMsg ("Relocation: 0x%08X", *(UINT32*)Targ);\r | |
954 | break;\r | |
955 | case R_X86_64_32S:\r | |
956 | VerboseMsg ("R_X86_64_32S");\r | |
f7496d71 LG |
957 | VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",\r |
958 | (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),\r | |
f51461c8 LG |
959 | *(UINT32 *)Targ);\r |
960 | *(INT32 *)Targ = (INT32)((INT64)(*(INT32 *)Targ) - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx]);\r | |
961 | VerboseMsg ("Relocation: 0x%08X", *(UINT32*)Targ);\r | |
962 | break;\r | |
c9f29755 AB |
963 | \r |
964 | case R_X86_64_PLT32:\r | |
965 | //\r | |
966 | // Treat R_X86_64_PLT32 relocations as R_X86_64_PC32: this is\r | |
967 | // possible since we know all code symbol references resolve to\r | |
968 | // definitions in the same module (UEFI has no shared libraries),\r | |
969 | // and so there is never a reason to jump via a PLT entry,\r | |
970 | // allowing us to resolve the reference using the symbol directly.\r | |
971 | //\r | |
972 | VerboseMsg ("Treating R_X86_64_PLT32 as R_X86_64_PC32 ...");\r | |
973 | /* fall through */\r | |
f51461c8 LG |
974 | case R_X86_64_PC32:\r |
975 | //\r | |
976 | // Relative relocation: Symbol - Ip + Addend\r | |
977 | //\r | |
978 | VerboseMsg ("R_X86_64_PC32");\r | |
f7496d71 LG |
979 | VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",\r |
980 | (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),\r | |
f51461c8 LG |
981 | *(UINT32 *)Targ);\r |
982 | *(UINT32 *)Targ = (UINT32) (*(UINT32 *)Targ\r | |
983 | + (mCoffSectionsOffset[Sym->st_shndx] - SymShdr->sh_addr)\r | |
984 | - (SecOffset - SecShdr->sh_addr));\r | |
985 | VerboseMsg ("Relocation: 0x%08X", *(UINT32 *)Targ);\r | |
986 | break;\r | |
ecbaa856 Z |
987 | case R_X86_64_GOTPCREL:\r |
988 | case R_X86_64_GOTPCRELX:\r | |
989 | case R_X86_64_REX_GOTPCRELX:\r | |
990 | VerboseMsg ("R_X86_64_GOTPCREL family");\r | |
991 | VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",\r | |
992 | (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),\r | |
993 | *(UINT32 *)Targ);\r | |
994 | GOTEntryRva = Rel->r_offset - Rel->r_addend + *(INT32 *)Targ;\r | |
995 | FindElfGOTSectionFromGOTEntryElfRva(GOTEntryRva);\r | |
996 | *(UINT32 *)Targ = (UINT32) (*(UINT32 *)Targ\r | |
997 | + (mCoffSectionsOffset[mGOTShindex] - mGOTShdr->sh_addr)\r | |
998 | - (SecOffset - SecShdr->sh_addr));\r | |
999 | VerboseMsg ("Relocation: 0x%08X", *(UINT32 *)Targ);\r | |
1000 | GOTEntryRva += (mCoffSectionsOffset[mGOTShindex] - mGOTShdr->sh_addr); // ELF Rva -> COFF Rva\r | |
1001 | if (AccumulateCoffGOTEntries((UINT32)GOTEntryRva)) {\r | |
1002 | //\r | |
1003 | // Relocate GOT entry if it's the first time we run into it\r | |
1004 | //\r | |
1005 | Targ = mCoffFile + GOTEntryRva;\r | |
1006 | //\r | |
1007 | // Limitation: The following three statements assume memory\r | |
1008 | // at *Targ is valid because the section containing the GOT\r | |
1009 | // has already been copied from the ELF image to the Coff image.\r | |
1010 | // This pre-condition presently holds because the GOT is placed\r | |
1011 | // in section .text, and the ELF text sections are all copied\r | |
1012 | // prior to reaching this point.\r | |
1013 | // If the pre-condition is violated in the future, this fixup\r | |
1014 | // either needs to be deferred after the GOT section is copied\r | |
1015 | // to the Coff image, or the fixup should be performed on the\r | |
1016 | // source Elf image instead of the destination Coff image.\r | |
1017 | //\r | |
1018 | VerboseMsg ("Offset: 0x%08X, Addend: 0x%016LX",\r | |
1019 | (UINT32)GOTEntryRva,\r | |
1020 | *(UINT64 *)Targ);\r | |
1021 | *(UINT64 *)Targ = *(UINT64 *)Targ - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx];\r | |
1022 | VerboseMsg ("Relocation: 0x%016LX", *(UINT64*)Targ);\r | |
1023 | }\r | |
1024 | break;\r | |
f51461c8 LG |
1025 | default:\r |
1026 | Error (NULL, 0, 3000, "Invalid", "%s unsupported ELF EM_X86_64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));\r | |
1027 | }\r | |
1028 | } else if (mEhdr->e_machine == EM_AARCH64) {\r | |
1029 | \r | |
f51461c8 LG |
1030 | switch (ELF_R_TYPE(Rel->r_info)) {\r |
1031 | \r | |
24d610e6 | 1032 | case R_AARCH64_ADR_PREL_PG_HI21:\r |
24d610e6 AB |
1033 | //\r |
1034 | // AArch64 PG_H21 relocations are typically paired with ABS_LO12\r | |
1035 | // relocations, where a PC-relative reference with +/- 4 GB range is\r | |
1036 | // split into a relative high part and an absolute low part. Since\r | |
1037 | // the absolute low part represents the offset into a 4 KB page, we\r | |
026a82ab AB |
1038 | // either have to convert the ADRP into an ADR instruction, or we\r |
1039 | // need to use a section alignment of at least 4 KB, so that the\r | |
1040 | // binary appears at a correct offset at runtime. In any case, we\r | |
24d610e6 AB |
1041 | // have to make sure that the 4 KB relative offsets of both the\r |
1042 | // section containing the reference as well as the section to which\r | |
1043 | // it refers have not been changed during PE/COFF conversion (i.e.,\r | |
1044 | // in ScanSections64() above).\r | |
1045 | //\r | |
026a82ab AB |
1046 | if (mCoffAlignment < 0x1000) {\r |
1047 | //\r | |
1048 | // Attempt to convert the ADRP into an ADR instruction.\r | |
1049 | // This is only possible if the symbol is within +/- 1 MB.\r | |
1050 | //\r | |
1051 | INT64 Offset;\r | |
1052 | \r | |
1053 | // Decode the ADRP instruction\r | |
1054 | Offset = (INT32)((*(UINT32 *)Targ & 0xffffe0) << 8);\r | |
1055 | Offset = (Offset << (6 - 5)) | ((*(UINT32 *)Targ & 0x60000000) >> (29 - 12));\r | |
1056 | \r | |
1057 | //\r | |
1058 | // ADRP offset is relative to the previous page boundary,\r | |
1059 | // whereas ADR offset is relative to the instruction itself.\r | |
1060 | // So fix up the offset so it points to the page containing\r | |
1061 | // the symbol.\r | |
1062 | //\r | |
1063 | Offset -= (UINTN)(Targ - mCoffFile) & 0xfff;\r | |
1064 | \r | |
1065 | if (Offset < -0x100000 || Offset > 0xfffff) {\r | |
1066 | Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s due to its size (> 1 MB), this module requires 4 KB section alignment.",\r | |
1067 | mInImageName);\r | |
1068 | break;\r | |
1069 | }\r | |
1070 | \r | |
1071 | // Re-encode the offset as an ADR instruction\r | |
1072 | *(UINT32 *)Targ &= 0x1000001f;\r | |
1073 | *(UINT32 *)Targ |= ((Offset & 0x1ffffc) << (5 - 2)) | ((Offset & 0x3) << 29);\r | |
1074 | }\r | |
1075 | /* fall through */\r | |
1076 | \r | |
1077 | case R_AARCH64_ADD_ABS_LO12_NC:\r | |
1078 | case R_AARCH64_LDST8_ABS_LO12_NC:\r | |
1079 | case R_AARCH64_LDST16_ABS_LO12_NC:\r | |
1080 | case R_AARCH64_LDST32_ABS_LO12_NC:\r | |
1081 | case R_AARCH64_LDST64_ABS_LO12_NC:\r | |
1082 | case R_AARCH64_LDST128_ABS_LO12_NC:\r | |
24d610e6 | 1083 | if (((SecShdr->sh_addr ^ SecOffset) & 0xfff) != 0 ||\r |
026a82ab AB |
1084 | ((SymShdr->sh_addr ^ mCoffSectionsOffset[Sym->st_shndx]) & 0xfff) != 0) {\r |
1085 | Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s AARCH64 small code model requires identical ELF and PE/COFF section offsets modulo 4 KB.",\r | |
24d610e6 AB |
1086 | mInImageName);\r |
1087 | break;\r | |
87280982 | 1088 | }\r |
24d610e6 | 1089 | /* fall through */\r |
87280982 | 1090 | \r |
24d610e6 | 1091 | case R_AARCH64_ADR_PREL_LO21:\r |
87280982 | 1092 | case R_AARCH64_CONDBR19:\r |
f51461c8 | 1093 | case R_AARCH64_LD_PREL_LO19:\r |
f51461c8 | 1094 | case R_AARCH64_CALL26:\r |
f51461c8 | 1095 | case R_AARCH64_JUMP26:\r |
0b6249f5 AB |
1096 | case R_AARCH64_PREL64:\r |
1097 | case R_AARCH64_PREL32:\r | |
1098 | case R_AARCH64_PREL16:\r | |
24d610e6 AB |
1099 | //\r |
1100 | // The GCC toolchains (i.e., binutils) may corrupt section relative\r | |
1101 | // relocations when emitting relocation sections into fully linked\r | |
1102 | // binaries. More specifically, they tend to fail to take into\r | |
1103 | // account the fact that a '.rodata + XXX' relocation needs to have\r | |
1104 | // its addend recalculated once .rodata is merged into the .text\r | |
1105 | // section, and the relocation emitted into the .rela.text section.\r | |
1106 | //\r | |
1107 | // We cannot really recover from this loss of information, so the\r | |
1108 | // only workaround is to prevent having to recalculate any relative\r | |
1109 | // relocations at all, by using a linker script that ensures that\r | |
1110 | // the offset between the Place and the Symbol is the same in both\r | |
1111 | // the ELF and the PE/COFF versions of the binary.\r | |
1112 | //\r | |
1113 | if ((SymShdr->sh_addr - SecShdr->sh_addr) !=\r | |
1114 | (mCoffSectionsOffset[Sym->st_shndx] - SecOffset)) {\r | |
1115 | Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s AARCH64 relative relocations require identical ELF and PE/COFF section offsets",\r | |
1116 | mInImageName);\r | |
f51461c8 LG |
1117 | }\r |
1118 | break;\r | |
1119 | \r | |
f51461c8 LG |
1120 | // Absolute relocations.\r |
1121 | case R_AARCH64_ABS64:\r | |
1122 | *(UINT64 *)Targ = *(UINT64 *)Targ - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx];\r | |
1123 | break;\r | |
1124 | \r | |
1125 | default:\r | |
1126 | Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s unsupported ELF EM_AARCH64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));\r | |
1127 | }\r | |
1128 | } else {\r | |
1129 | Error (NULL, 0, 3000, "Invalid", "Not a supported machine type");\r | |
1130 | }\r | |
1131 | }\r | |
1132 | }\r | |
1133 | }\r | |
1134 | \r | |
1135 | return TRUE;\r | |
1136 | }\r | |
1137 | \r | |
1138 | STATIC\r | |
1139 | VOID\r | |
1140 | WriteRelocations64 (\r | |
1141 | VOID\r | |
1142 | )\r | |
1143 | {\r | |
1144 | UINT32 Index;\r | |
1145 | EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;\r | |
1146 | EFI_IMAGE_DATA_DIRECTORY *Dir;\r | |
1147 | \r | |
1148 | for (Index = 0; Index < mEhdr->e_shnum; Index++) {\r | |
1149 | Elf_Shdr *RelShdr = GetShdrByIndex(Index);\r | |
1150 | if ((RelShdr->sh_type == SHT_REL) || (RelShdr->sh_type == SHT_RELA)) {\r | |
1151 | Elf_Shdr *SecShdr = GetShdrByIndex (RelShdr->sh_info);\r | |
1152 | if (IsTextShdr(SecShdr) || IsDataShdr(SecShdr)) {\r | |
1153 | UINT64 RelIdx;\r | |
1154 | \r | |
1155 | for (RelIdx = 0; RelIdx < RelShdr->sh_size; RelIdx += RelShdr->sh_entsize) {\r | |
1156 | Elf_Rela *Rel = (Elf_Rela *)((UINT8*)mEhdr + RelShdr->sh_offset + RelIdx);\r | |
1157 | \r | |
1158 | if (mEhdr->e_machine == EM_X86_64) {\r | |
1159 | switch (ELF_R_TYPE(Rel->r_info)) {\r | |
1160 | case R_X86_64_NONE:\r | |
1161 | case R_X86_64_PC32:\r | |
c9f29755 | 1162 | case R_X86_64_PLT32:\r |
ecbaa856 Z |
1163 | case R_X86_64_GOTPCREL:\r |
1164 | case R_X86_64_GOTPCRELX:\r | |
1165 | case R_X86_64_REX_GOTPCRELX:\r | |
f51461c8 LG |
1166 | break;\r |
1167 | case R_X86_64_64:\r | |
f7496d71 | 1168 | VerboseMsg ("EFI_IMAGE_REL_BASED_DIR64 Offset: 0x%08X",\r |
f51461c8 LG |
1169 | mCoffSectionsOffset[RelShdr->sh_info] + (Rel->r_offset - SecShdr->sh_addr));\r |
1170 | CoffAddFixup(\r | |
1171 | (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]\r | |
1172 | + (Rel->r_offset - SecShdr->sh_addr)),\r | |
1173 | EFI_IMAGE_REL_BASED_DIR64);\r | |
1174 | break;\r | |
c6a14de3 Z |
1175 | //\r |
1176 | // R_X86_64_32 and R_X86_64_32S are ELF64 relocations emitted when using\r | |
1177 | // the SYSV X64 ABI small non-position-independent code model.\r | |
1178 | // R_X86_64_32 is used for unsigned 32-bit immediates with a 32-bit operand\r | |
1179 | // size. The value is either not extended, or zero-extended to 64 bits.\r | |
1180 | // R_X86_64_32S is used for either signed 32-bit non-rip-relative displacements\r | |
1181 | // or signed 32-bit immediates with a 64-bit operand size. The value is\r | |
1182 | // sign-extended to 64 bits.\r | |
1183 | // EFI_IMAGE_REL_BASED_HIGHLOW is a PE relocation that uses 32-bit arithmetic\r | |
1184 | // for rebasing an image.\r | |
1185 | // EFI PE binaries declare themselves EFI_IMAGE_FILE_LARGE_ADDRESS_AWARE and\r | |
1186 | // may load above 2GB. If an EFI PE binary with a converted R_X86_64_32S\r | |
1187 | // relocation is loaded above 2GB, the value will get sign-extended to the\r | |
1188 | // negative part of the 64-bit address space. The negative part of the 64-bit\r | |
1189 | // address space is unmapped, so accessing such an address page-faults.\r | |
1190 | // In order to support R_X86_64_32S, it is necessary to unset\r | |
1191 | // EFI_IMAGE_FILE_LARGE_ADDRESS_AWARE, and the EFI PE loader must implement\r | |
1192 | // this flag and abstain from loading such a PE binary above 2GB.\r | |
1193 | // Since this feature is not supported, support for R_X86_64_32S (and hence\r | |
1194 | // the small non-position-independent code model) is disabled.\r | |
1195 | //\r | |
1196 | // case R_X86_64_32S:\r | |
f51461c8 | 1197 | case R_X86_64_32:\r |
f7496d71 | 1198 | VerboseMsg ("EFI_IMAGE_REL_BASED_HIGHLOW Offset: 0x%08X",\r |
f51461c8 LG |
1199 | mCoffSectionsOffset[RelShdr->sh_info] + (Rel->r_offset - SecShdr->sh_addr));\r |
1200 | CoffAddFixup(\r | |
1201 | (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]\r | |
1202 | + (Rel->r_offset - SecShdr->sh_addr)),\r | |
1203 | EFI_IMAGE_REL_BASED_HIGHLOW);\r | |
1204 | break;\r | |
1205 | default:\r | |
1206 | Error (NULL, 0, 3000, "Invalid", "%s unsupported ELF EM_X86_64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));\r | |
1207 | }\r | |
1208 | } else if (mEhdr->e_machine == EM_AARCH64) {\r | |
24d610e6 | 1209 | \r |
f51461c8 | 1210 | switch (ELF_R_TYPE(Rel->r_info)) {\r |
87280982 | 1211 | case R_AARCH64_ADR_PREL_LO21:\r |
87280982 | 1212 | case R_AARCH64_CONDBR19:\r |
f51461c8 | 1213 | case R_AARCH64_LD_PREL_LO19:\r |
f51461c8 | 1214 | case R_AARCH64_CALL26:\r |
f51461c8 | 1215 | case R_AARCH64_JUMP26:\r |
0b6249f5 AB |
1216 | case R_AARCH64_PREL64:\r |
1217 | case R_AARCH64_PREL32:\r | |
1218 | case R_AARCH64_PREL16:\r | |
f51461c8 | 1219 | case R_AARCH64_ADR_PREL_PG_HI21:\r |
f51461c8 | 1220 | case R_AARCH64_ADD_ABS_LO12_NC:\r |
24d610e6 AB |
1221 | case R_AARCH64_LDST8_ABS_LO12_NC:\r |
1222 | case R_AARCH64_LDST16_ABS_LO12_NC:\r | |
1223 | case R_AARCH64_LDST32_ABS_LO12_NC:\r | |
1224 | case R_AARCH64_LDST64_ABS_LO12_NC:\r | |
1225 | case R_AARCH64_LDST128_ABS_LO12_NC:\r | |
0b6249f5 AB |
1226 | //\r |
1227 | // No fixups are required for relative relocations, provided that\r | |
1228 | // the relative offsets between sections have been preserved in\r | |
1229 | // the ELF to PE/COFF conversion. We have already asserted that\r | |
1230 | // this is the case in WriteSections64 ().\r | |
1231 | //\r | |
f51461c8 LG |
1232 | break;\r |
1233 | \r | |
1234 | case R_AARCH64_ABS64:\r | |
1235 | CoffAddFixup(\r | |
1236 | (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]\r | |
1237 | + (Rel->r_offset - SecShdr->sh_addr)),\r | |
1238 | EFI_IMAGE_REL_BASED_DIR64);\r | |
1239 | break;\r | |
1240 | \r | |
1241 | case R_AARCH64_ABS32:\r | |
1242 | CoffAddFixup(\r | |
1243 | (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]\r | |
1244 | + (Rel->r_offset - SecShdr->sh_addr)),\r | |
1245 | EFI_IMAGE_REL_BASED_HIGHLOW);\r | |
1246 | break;\r | |
1247 | \r | |
1248 | default:\r | |
1249 | Error (NULL, 0, 3000, "Invalid", "WriteRelocations64(): %s unsupported ELF EM_AARCH64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));\r | |
1250 | }\r | |
1251 | } else {\r | |
1252 | Error (NULL, 0, 3000, "Not Supported", "This tool does not support relocations for ELF with e_machine %u (processor type).", (unsigned) mEhdr->e_machine);\r | |
1253 | }\r | |
1254 | }\r | |
ecbaa856 Z |
1255 | if (mEhdr->e_machine == EM_X86_64 && RelShdr->sh_info == mGOTShindex) {\r |
1256 | //\r | |
1257 | // Tack relocations for GOT entries after other relocations for\r | |
1258 | // the section the GOT is in, as it's usually found at the end\r | |
1259 | // of the section. This is done in order to maintain Rva order\r | |
1260 | // of Coff relocations.\r | |
1261 | //\r | |
1262 | EmitGOTRelocations();\r | |
1263 | }\r | |
f51461c8 LG |
1264 | }\r |
1265 | }\r | |
1266 | }\r | |
1267 | \r | |
ecbaa856 Z |
1268 | if (mEhdr->e_machine == EM_X86_64) {\r |
1269 | //\r | |
1270 | // This is a safety net just in case the GOT is in a section\r | |
1271 | // with no other relocations and the first invocation of\r | |
1272 | // EmitGOTRelocations() above was skipped. This invocation\r | |
1273 | // does not maintain Rva order of Coff relocations.\r | |
1274 | // At present, with a single text section, all references to\r | |
1275 | // the GOT and the GOT itself reside in section .text, so\r | |
1276 | // if there's a GOT at all, the first invocation above\r | |
1277 | // is executed.\r | |
1278 | //\r | |
1279 | EmitGOTRelocations();\r | |
1280 | }\r | |
f51461c8 LG |
1281 | //\r |
1282 | // Pad by adding empty entries.\r | |
1283 | //\r | |
1284 | while (mCoffOffset & (mCoffAlignment - 1)) {\r | |
1285 | CoffAddFixupEntry(0);\r | |
1286 | }\r | |
1287 | \r | |
1288 | NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);\r | |
1289 | Dir = &NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC];\r | |
1290 | Dir->Size = mCoffOffset - mRelocOffset;\r | |
1291 | if (Dir->Size == 0) {\r | |
1292 | // If no relocations, null out the directory entry and don't add the .reloc section\r | |
1293 | Dir->VirtualAddress = 0;\r | |
1294 | NtHdr->Pe32Plus.FileHeader.NumberOfSections--;\r | |
1295 | } else {\r | |
1296 | Dir->VirtualAddress = mRelocOffset;\r | |
1297 | CreateSectionHeader (".reloc", mRelocOffset, mCoffOffset - mRelocOffset,\r | |
1298 | EFI_IMAGE_SCN_CNT_INITIALIZED_DATA\r | |
1299 | | EFI_IMAGE_SCN_MEM_DISCARDABLE\r | |
1300 | | EFI_IMAGE_SCN_MEM_READ);\r | |
1301 | }\r | |
1302 | }\r | |
1303 | \r | |
1304 | STATIC\r | |
1305 | VOID\r | |
1306 | WriteDebug64 (\r | |
1307 | VOID\r | |
1308 | )\r | |
1309 | {\r | |
1310 | UINT32 Len;\r | |
f51461c8 LG |
1311 | EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;\r |
1312 | EFI_IMAGE_DATA_DIRECTORY *DataDir;\r | |
1313 | EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *Dir;\r | |
1314 | EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY *Nb10;\r | |
1315 | \r | |
1316 | Len = strlen(mInImageName) + 1;\r | |
f51461c8 | 1317 | \r |
0192b71c | 1318 | Dir = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY*)(mCoffFile + mDebugOffset);\r |
f51461c8 LG |
1319 | Dir->Type = EFI_IMAGE_DEBUG_TYPE_CODEVIEW;\r |
1320 | Dir->SizeOfData = sizeof(EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY) + Len;\r | |
0192b71c AB |
1321 | Dir->RVA = mDebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);\r |
1322 | Dir->FileOffset = mDebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);\r | |
f51461c8 LG |
1323 | \r |
1324 | Nb10 = (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY*)(Dir + 1);\r | |
1325 | Nb10->Signature = CODEVIEW_SIGNATURE_NB10;\r | |
1326 | strcpy ((char *)(Nb10 + 1), mInImageName);\r | |
1327 | \r | |
1328 | \r | |
1329 | NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);\r | |
1330 | DataDir = &NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG];\r | |
0192b71c | 1331 | DataDir->VirtualAddress = mDebugOffset;\r |
60e85a39 | 1332 | DataDir->Size = sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);\r |
f51461c8 LG |
1333 | }\r |
1334 | \r | |
1335 | STATIC\r | |
1336 | VOID\r | |
1337 | SetImageSize64 (\r | |
1338 | VOID\r | |
1339 | )\r | |
1340 | {\r | |
1341 | EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;\r | |
1342 | \r | |
1343 | //\r | |
1344 | // Set image size\r | |
1345 | //\r | |
1346 | NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);\r | |
1347 | NtHdr->Pe32Plus.OptionalHeader.SizeOfImage = mCoffOffset;\r | |
1348 | }\r | |
1349 | \r | |
1350 | STATIC\r | |
1351 | VOID\r | |
1352 | CleanUp64 (\r | |
1353 | VOID\r | |
1354 | )\r | |
1355 | {\r | |
1356 | if (mCoffSectionsOffset != NULL) {\r | |
1357 | free (mCoffSectionsOffset);\r | |
1358 | }\r | |
1359 | }\r | |
1360 | \r | |
1361 | \r |