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f51461c8 | 1 | /** @file\r |
97fa0ee9 | 2 | Elf64 convert solution\r |
f51461c8 | 3 | \r |
97fa0ee9 | 4 | Copyright (c) 2010 - 2014, 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 | |
97 | //\r | |
98 | // Coff information\r | |
99 | //\r | |
100 | STATIC const UINT32 mCoffAlignment = 0x20;\r | |
101 | \r | |
102 | //\r | |
103 | // PE section alignment.\r | |
104 | //\r | |
105 | STATIC const UINT16 mCoffNbrSections = 5;\r | |
106 | \r | |
107 | //\r | |
108 | // ELF sections to offset in Coff file.\r | |
109 | //\r | |
110 | STATIC UINT32 *mCoffSectionsOffset = NULL;\r | |
111 | \r | |
112 | //\r | |
113 | // Offsets in COFF file\r | |
114 | //\r | |
115 | STATIC UINT32 mNtHdrOffset;\r | |
116 | STATIC UINT32 mTextOffset;\r | |
117 | STATIC UINT32 mDataOffset;\r | |
118 | STATIC UINT32 mHiiRsrcOffset;\r | |
119 | STATIC UINT32 mRelocOffset;\r | |
120 | \r | |
121 | //\r | |
122 | // Initialization Function\r | |
123 | //\r | |
124 | BOOLEAN\r | |
125 | InitializeElf64 (\r | |
126 | UINT8 *FileBuffer,\r | |
127 | ELF_FUNCTION_TABLE *ElfFunctions\r | |
128 | )\r | |
129 | {\r | |
130 | //\r | |
131 | // Initialize data pointer and structures.\r | |
132 | //\r | |
133 | VerboseMsg ("Set EHDR");\r | |
134 | mEhdr = (Elf_Ehdr*) FileBuffer;\r | |
135 | \r | |
136 | //\r | |
137 | // Check the ELF64 specific header information.\r | |
138 | //\r | |
139 | VerboseMsg ("Check ELF64 Header Information");\r | |
140 | if (mEhdr->e_ident[EI_CLASS] != ELFCLASS64) {\r | |
141 | Error (NULL, 0, 3000, "Unsupported", "ELF EI_DATA not ELFCLASS64");\r | |
142 | return FALSE;\r | |
143 | }\r | |
144 | if (mEhdr->e_ident[EI_DATA] != ELFDATA2LSB) {\r | |
145 | Error (NULL, 0, 3000, "Unsupported", "ELF EI_DATA not ELFDATA2LSB");\r | |
146 | return FALSE;\r | |
147 | }\r | |
148 | if ((mEhdr->e_type != ET_EXEC) && (mEhdr->e_type != ET_DYN)) {\r | |
149 | Error (NULL, 0, 3000, "Unsupported", "ELF e_type not ET_EXEC or ET_DYN");\r | |
150 | return FALSE;\r | |
151 | }\r | |
152 | if (!((mEhdr->e_machine == EM_X86_64) || (mEhdr->e_machine == EM_AARCH64))) {\r | |
153 | Error (NULL, 0, 3000, "Unsupported", "ELF e_machine not EM_X86_64 or EM_AARCH64");\r | |
154 | return FALSE;\r | |
155 | }\r | |
156 | if (mEhdr->e_version != EV_CURRENT) {\r | |
157 | Error (NULL, 0, 3000, "Unsupported", "ELF e_version (%u) not EV_CURRENT (%d)", (unsigned) mEhdr->e_version, EV_CURRENT);\r | |
158 | return FALSE;\r | |
159 | }\r | |
160 | \r | |
161 | //\r | |
162 | // Update section header pointers\r | |
163 | //\r | |
164 | VerboseMsg ("Update Header Pointers");\r | |
165 | mShdrBase = (Elf_Shdr *)((UINT8 *)mEhdr + mEhdr->e_shoff);\r | |
166 | mPhdrBase = (Elf_Phdr *)((UINT8 *)mEhdr + mEhdr->e_phoff);\r | |
167 | \r | |
168 | //\r | |
169 | // Create COFF Section offset buffer and zero.\r | |
170 | //\r | |
171 | VerboseMsg ("Create COFF Section Offset Buffer");\r | |
172 | mCoffSectionsOffset = (UINT32 *)malloc(mEhdr->e_shnum * sizeof (UINT32));\r | |
173 | memset(mCoffSectionsOffset, 0, mEhdr->e_shnum * sizeof(UINT32));\r | |
174 | \r | |
175 | //\r | |
176 | // Fill in function pointers.\r | |
177 | //\r | |
178 | VerboseMsg ("Fill in Function Pointers");\r | |
179 | ElfFunctions->ScanSections = ScanSections64;\r | |
180 | ElfFunctions->WriteSections = WriteSections64;\r | |
181 | ElfFunctions->WriteRelocations = WriteRelocations64;\r | |
182 | ElfFunctions->WriteDebug = WriteDebug64;\r | |
183 | ElfFunctions->SetImageSize = SetImageSize64;\r | |
184 | ElfFunctions->CleanUp = CleanUp64;\r | |
185 | \r | |
186 | return TRUE;\r | |
187 | }\r | |
188 | \r | |
189 | \r | |
190 | //\r | |
191 | // Header by Index functions\r | |
192 | //\r | |
193 | STATIC\r | |
194 | Elf_Shdr*\r | |
195 | GetShdrByIndex (\r | |
196 | UINT32 Num\r | |
197 | )\r | |
198 | {\r | |
199 | if (Num >= mEhdr->e_shnum)\r | |
200 | return NULL;\r | |
201 | return (Elf_Shdr*)((UINT8*)mShdrBase + Num * mEhdr->e_shentsize);\r | |
202 | }\r | |
203 | \r | |
204 | STATIC\r | |
205 | UINT32\r | |
206 | CoffAlign (\r | |
207 | UINT32 Offset\r | |
208 | )\r | |
209 | {\r | |
210 | return (Offset + mCoffAlignment - 1) & ~(mCoffAlignment - 1);\r | |
211 | }\r | |
212 | \r | |
213 | //\r | |
214 | // filter functions\r | |
215 | //\r | |
216 | STATIC\r | |
217 | BOOLEAN\r | |
218 | IsTextShdr (\r | |
219 | Elf_Shdr *Shdr\r | |
220 | )\r | |
221 | {\r | |
222 | return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == SHF_ALLOC);\r | |
223 | }\r | |
224 | \r | |
225 | STATIC\r | |
226 | BOOLEAN\r | |
227 | IsHiiRsrcShdr (\r | |
228 | Elf_Shdr *Shdr\r | |
229 | )\r | |
230 | {\r | |
231 | Elf_Shdr *Namedr = GetShdrByIndex(mEhdr->e_shstrndx);\r | |
232 | \r | |
233 | return (BOOLEAN) (strcmp((CHAR8*)mEhdr + Namedr->sh_offset + Shdr->sh_name, ELF_HII_SECTION_NAME) == 0);\r | |
234 | }\r | |
235 | \r | |
236 | STATIC\r | |
237 | BOOLEAN\r | |
238 | IsDataShdr (\r | |
239 | Elf_Shdr *Shdr\r | |
240 | )\r | |
241 | {\r | |
242 | if (IsHiiRsrcShdr(Shdr)) {\r | |
243 | return FALSE;\r | |
244 | }\r | |
245 | return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == (SHF_ALLOC | SHF_WRITE);\r | |
246 | }\r | |
247 | \r | |
248 | //\r | |
249 | // Elf functions interface implementation\r | |
250 | //\r | |
251 | \r | |
252 | STATIC\r | |
253 | VOID\r | |
254 | ScanSections64 (\r | |
255 | VOID\r | |
256 | )\r | |
257 | {\r | |
258 | UINT32 i;\r | |
259 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
260 | EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;\r | |
261 | UINT32 CoffEntry;\r | |
262 | UINT32 SectionCount;\r | |
234f9ff9 | 263 | BOOLEAN FoundSection;\r |
f51461c8 LG |
264 | \r |
265 | CoffEntry = 0;\r | |
266 | mCoffOffset = 0;\r | |
f51461c8 LG |
267 | \r |
268 | //\r | |
269 | // Coff file start with a DOS header.\r | |
270 | //\r | |
271 | mCoffOffset = sizeof(EFI_IMAGE_DOS_HEADER) + 0x40;\r | |
272 | mNtHdrOffset = mCoffOffset;\r | |
273 | switch (mEhdr->e_machine) {\r | |
274 | case EM_X86_64:\r | |
275 | case EM_IA_64:\r | |
276 | case EM_AARCH64:\r | |
277 | mCoffOffset += sizeof (EFI_IMAGE_NT_HEADERS64);\r | |
278 | break;\r | |
279 | default:\r | |
280 | VerboseMsg ("%s unknown e_machine type. Assume X64", (UINTN)mEhdr->e_machine);\r | |
281 | mCoffOffset += sizeof (EFI_IMAGE_NT_HEADERS64);\r | |
282 | break;\r | |
283 | }\r | |
284 | \r | |
285 | mTableOffset = mCoffOffset;\r | |
286 | mCoffOffset += mCoffNbrSections * sizeof(EFI_IMAGE_SECTION_HEADER);\r | |
287 | \r | |
288 | //\r | |
289 | // First text sections.\r | |
290 | //\r | |
291 | mCoffOffset = CoffAlign(mCoffOffset);\r | |
234f9ff9 EB |
292 | mTextOffset = mCoffOffset;\r |
293 | FoundSection = FALSE;\r | |
f51461c8 LG |
294 | SectionCount = 0;\r |
295 | for (i = 0; i < mEhdr->e_shnum; i++) {\r | |
296 | Elf_Shdr *shdr = GetShdrByIndex(i);\r | |
297 | if (IsTextShdr(shdr)) {\r | |
298 | if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {\r | |
299 | // the alignment field is valid\r | |
300 | if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {\r | |
301 | // if the section address is aligned we must align PE/COFF\r | |
302 | mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));\r | |
303 | } else if ((shdr->sh_addr % shdr->sh_addralign) != (mCoffOffset % shdr->sh_addralign)) {\r | |
304 | // ARM RVCT tools have behavior outside of the ELF specification to try\r | |
305 | // and make images smaller. If sh_addr is not aligned to sh_addralign\r | |
306 | // then the section needs to preserve sh_addr MOD sh_addralign.\r | |
307 | // Normally doing nothing here works great.\r | |
308 | Error (NULL, 0, 3000, "Invalid", "Unsupported section alignment.");\r | |
309 | }\r | |
310 | }\r | |
311 | \r | |
312 | /* Relocate entry. */\r | |
313 | if ((mEhdr->e_entry >= shdr->sh_addr) &&\r | |
314 | (mEhdr->e_entry < shdr->sh_addr + shdr->sh_size)) {\r | |
315 | CoffEntry = (UINT32) (mCoffOffset + mEhdr->e_entry - shdr->sh_addr);\r | |
316 | }\r | |
317 | \r | |
318 | //\r | |
319 | // Set mTextOffset with the offset of the first '.text' section\r | |
320 | //\r | |
234f9ff9 | 321 | if (!FoundSection) {\r |
f51461c8 | 322 | mTextOffset = mCoffOffset;\r |
234f9ff9 | 323 | FoundSection = TRUE;\r |
f51461c8 LG |
324 | }\r |
325 | \r | |
326 | mCoffSectionsOffset[i] = mCoffOffset;\r | |
327 | mCoffOffset += (UINT32) shdr->sh_size;\r | |
328 | SectionCount ++;\r | |
329 | }\r | |
330 | }\r | |
331 | \r | |
234f9ff9 | 332 | if (!FoundSection) {\r |
f51461c8 LG |
333 | Error (NULL, 0, 3000, "Invalid", "Did not find any '.text' section.");\r |
334 | assert (FALSE);\r | |
335 | }\r | |
336 | \r | |
337 | if (mEhdr->e_machine != EM_ARM) {\r | |
338 | mCoffOffset = CoffAlign(mCoffOffset);\r | |
339 | }\r | |
340 | \r | |
341 | if (SectionCount > 1 && mOutImageType == FW_EFI_IMAGE) {\r | |
342 | Warning (NULL, 0, 0, NULL, "Mulitple sections in %s are merged into 1 text section. Source level debug might not work correctly.", mInImageName);\r | |
343 | }\r | |
344 | \r | |
345 | //\r | |
346 | // Then data sections.\r | |
347 | //\r | |
348 | mDataOffset = mCoffOffset;\r | |
234f9ff9 | 349 | FoundSection = FALSE;\r |
f51461c8 LG |
350 | SectionCount = 0;\r |
351 | for (i = 0; i < mEhdr->e_shnum; i++) {\r | |
352 | Elf_Shdr *shdr = GetShdrByIndex(i);\r | |
353 | if (IsDataShdr(shdr)) {\r | |
354 | if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {\r | |
355 | // the alignment field is valid\r | |
356 | if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {\r | |
357 | // if the section address is aligned we must align PE/COFF\r | |
358 | mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));\r | |
359 | } else if ((shdr->sh_addr % shdr->sh_addralign) != (mCoffOffset % shdr->sh_addralign)) {\r | |
360 | // ARM RVCT tools have behavior outside of the ELF specification to try\r | |
361 | // and make images smaller. If sh_addr is not aligned to sh_addralign\r | |
362 | // then the section needs to preserve sh_addr MOD sh_addralign.\r | |
363 | // Normally doing nothing here works great.\r | |
364 | Error (NULL, 0, 3000, "Invalid", "Unsupported section alignment.");\r | |
365 | }\r | |
366 | }\r | |
234f9ff9 EB |
367 | \r |
368 | //\r | |
369 | // Set mDataOffset with the offset of the first '.data' section\r | |
370 | //\r | |
371 | if (!FoundSection) {\r | |
372 | mDataOffset = mCoffOffset;\r | |
373 | FoundSection = TRUE;\r | |
374 | }\r | |
f51461c8 LG |
375 | mCoffSectionsOffset[i] = mCoffOffset;\r |
376 | mCoffOffset += (UINT32) shdr->sh_size;\r | |
377 | SectionCount ++;\r | |
378 | }\r | |
379 | }\r | |
380 | mCoffOffset = CoffAlign(mCoffOffset);\r | |
381 | \r | |
382 | if (SectionCount > 1 && mOutImageType == FW_EFI_IMAGE) {\r | |
383 | Warning (NULL, 0, 0, NULL, "Mulitple sections in %s are merged into 1 data section. Source level debug might not work correctly.", mInImageName);\r | |
384 | }\r | |
385 | \r | |
386 | //\r | |
387 | // The HII resource sections.\r | |
388 | //\r | |
389 | mHiiRsrcOffset = mCoffOffset;\r | |
390 | for (i = 0; i < mEhdr->e_shnum; i++) {\r | |
391 | Elf_Shdr *shdr = GetShdrByIndex(i);\r | |
392 | if (IsHiiRsrcShdr(shdr)) {\r | |
393 | if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {\r | |
394 | // the alignment field is valid\r | |
395 | if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {\r | |
396 | // if the section address is aligned we must align PE/COFF\r | |
397 | mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));\r | |
398 | } else if ((shdr->sh_addr % shdr->sh_addralign) != (mCoffOffset % shdr->sh_addralign)) {\r | |
399 | // ARM RVCT tools have behavior outside of the ELF specification to try\r | |
400 | // and make images smaller. If sh_addr is not aligned to sh_addralign\r | |
401 | // then the section needs to preserve sh_addr MOD sh_addralign.\r | |
402 | // Normally doing nothing here works great.\r | |
403 | Error (NULL, 0, 3000, "Invalid", "Unsupported section alignment.");\r | |
404 | }\r | |
405 | }\r | |
406 | if (shdr->sh_size != 0) {\r | |
234f9ff9 | 407 | mHiiRsrcOffset = mCoffOffset;\r |
f51461c8 LG |
408 | mCoffSectionsOffset[i] = mCoffOffset;\r |
409 | mCoffOffset += (UINT32) shdr->sh_size;\r | |
410 | mCoffOffset = CoffAlign(mCoffOffset);\r | |
411 | SetHiiResourceHeader ((UINT8*) mEhdr + shdr->sh_offset, mHiiRsrcOffset);\r | |
412 | }\r | |
413 | break;\r | |
414 | }\r | |
415 | }\r | |
416 | \r | |
417 | mRelocOffset = mCoffOffset;\r | |
418 | \r | |
419 | //\r | |
420 | // Allocate base Coff file. Will be expanded later for relocations.\r | |
421 | //\r | |
422 | mCoffFile = (UINT8 *)malloc(mCoffOffset);\r | |
423 | memset(mCoffFile, 0, mCoffOffset);\r | |
424 | \r | |
425 | //\r | |
426 | // Fill headers.\r | |
427 | //\r | |
428 | DosHdr = (EFI_IMAGE_DOS_HEADER *)mCoffFile;\r | |
429 | DosHdr->e_magic = EFI_IMAGE_DOS_SIGNATURE;\r | |
430 | DosHdr->e_lfanew = mNtHdrOffset;\r | |
431 | \r | |
432 | NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION*)(mCoffFile + mNtHdrOffset);\r | |
433 | \r | |
434 | NtHdr->Pe32Plus.Signature = EFI_IMAGE_NT_SIGNATURE;\r | |
435 | \r | |
436 | switch (mEhdr->e_machine) {\r | |
437 | case EM_X86_64:\r | |
438 | NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_X64;\r | |
439 | NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
440 | break;\r | |
441 | case EM_IA_64:\r | |
442 | NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_IPF;\r | |
443 | NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
444 | break;\r | |
445 | case EM_AARCH64:\r | |
446 | NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_AARCH64;\r | |
447 | NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
448 | break;\r | |
449 | default:\r | |
450 | VerboseMsg ("%s unknown e_machine type. Assume X64", (UINTN)mEhdr->e_machine);\r | |
451 | NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_X64;\r | |
452 | NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r | |
453 | }\r | |
454 | \r | |
455 | NtHdr->Pe32Plus.FileHeader.NumberOfSections = mCoffNbrSections;\r | |
456 | NtHdr->Pe32Plus.FileHeader.TimeDateStamp = (UINT32) time(NULL);\r | |
457 | mImageTimeStamp = NtHdr->Pe32Plus.FileHeader.TimeDateStamp;\r | |
458 | NtHdr->Pe32Plus.FileHeader.PointerToSymbolTable = 0;\r | |
459 | NtHdr->Pe32Plus.FileHeader.NumberOfSymbols = 0;\r | |
460 | NtHdr->Pe32Plus.FileHeader.SizeOfOptionalHeader = sizeof(NtHdr->Pe32Plus.OptionalHeader);\r | |
461 | NtHdr->Pe32Plus.FileHeader.Characteristics = EFI_IMAGE_FILE_EXECUTABLE_IMAGE\r | |
462 | | EFI_IMAGE_FILE_LINE_NUMS_STRIPPED\r | |
463 | | EFI_IMAGE_FILE_LOCAL_SYMS_STRIPPED\r | |
464 | | EFI_IMAGE_FILE_LARGE_ADDRESS_AWARE;\r | |
465 | \r | |
466 | NtHdr->Pe32Plus.OptionalHeader.SizeOfCode = mDataOffset - mTextOffset;\r | |
467 | NtHdr->Pe32Plus.OptionalHeader.SizeOfInitializedData = mRelocOffset - mDataOffset;\r | |
468 | NtHdr->Pe32Plus.OptionalHeader.SizeOfUninitializedData = 0;\r | |
469 | NtHdr->Pe32Plus.OptionalHeader.AddressOfEntryPoint = CoffEntry;\r | |
470 | \r | |
471 | NtHdr->Pe32Plus.OptionalHeader.BaseOfCode = mTextOffset;\r | |
472 | \r | |
473 | NtHdr->Pe32Plus.OptionalHeader.ImageBase = 0;\r | |
474 | NtHdr->Pe32Plus.OptionalHeader.SectionAlignment = mCoffAlignment;\r | |
475 | NtHdr->Pe32Plus.OptionalHeader.FileAlignment = mCoffAlignment;\r | |
476 | NtHdr->Pe32Plus.OptionalHeader.SizeOfImage = 0;\r | |
477 | \r | |
478 | NtHdr->Pe32Plus.OptionalHeader.SizeOfHeaders = mTextOffset;\r | |
479 | NtHdr->Pe32Plus.OptionalHeader.NumberOfRvaAndSizes = EFI_IMAGE_NUMBER_OF_DIRECTORY_ENTRIES;\r | |
480 | \r | |
481 | //\r | |
482 | // Section headers.\r | |
483 | //\r | |
484 | if ((mDataOffset - mTextOffset) > 0) {\r | |
485 | CreateSectionHeader (".text", mTextOffset, mDataOffset - mTextOffset,\r | |
486 | EFI_IMAGE_SCN_CNT_CODE\r | |
487 | | EFI_IMAGE_SCN_MEM_EXECUTE\r | |
488 | | EFI_IMAGE_SCN_MEM_READ);\r | |
489 | } else {\r | |
490 | // Don't make a section of size 0.\r | |
491 | NtHdr->Pe32Plus.FileHeader.NumberOfSections--;\r | |
492 | }\r | |
493 | \r | |
494 | if ((mHiiRsrcOffset - mDataOffset) > 0) {\r | |
495 | CreateSectionHeader (".data", mDataOffset, mHiiRsrcOffset - mDataOffset,\r | |
496 | EFI_IMAGE_SCN_CNT_INITIALIZED_DATA\r | |
497 | | EFI_IMAGE_SCN_MEM_WRITE\r | |
498 | | EFI_IMAGE_SCN_MEM_READ);\r | |
499 | } else {\r | |
500 | // Don't make a section of size 0.\r | |
501 | NtHdr->Pe32Plus.FileHeader.NumberOfSections--;\r | |
502 | }\r | |
503 | \r | |
504 | if ((mRelocOffset - mHiiRsrcOffset) > 0) {\r | |
505 | CreateSectionHeader (".rsrc", mHiiRsrcOffset, mRelocOffset - mHiiRsrcOffset,\r | |
506 | EFI_IMAGE_SCN_CNT_INITIALIZED_DATA\r | |
507 | | EFI_IMAGE_SCN_MEM_READ);\r | |
508 | \r | |
509 | NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE].Size = mRelocOffset - mHiiRsrcOffset;\r | |
510 | NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress = mHiiRsrcOffset;\r | |
511 | } else {\r | |
512 | // Don't make a section of size 0.\r | |
513 | NtHdr->Pe32Plus.FileHeader.NumberOfSections--;\r | |
514 | }\r | |
515 | \r | |
516 | }\r | |
517 | \r | |
518 | STATIC\r | |
519 | BOOLEAN\r | |
520 | WriteSections64 (\r | |
521 | SECTION_FILTER_TYPES FilterType\r | |
522 | )\r | |
523 | {\r | |
524 | UINT32 Idx;\r | |
525 | Elf_Shdr *SecShdr;\r | |
526 | UINT32 SecOffset;\r | |
527 | BOOLEAN (*Filter)(Elf_Shdr *);\r | |
528 | \r | |
529 | //\r | |
530 | // Initialize filter pointer\r | |
531 | //\r | |
532 | switch (FilterType) {\r | |
533 | case SECTION_TEXT:\r | |
534 | Filter = IsTextShdr;\r | |
535 | break;\r | |
536 | case SECTION_HII:\r | |
537 | Filter = IsHiiRsrcShdr;\r | |
538 | break;\r | |
539 | case SECTION_DATA:\r | |
540 | Filter = IsDataShdr;\r | |
541 | break;\r | |
542 | default:\r | |
543 | return FALSE;\r | |
544 | }\r | |
545 | \r | |
546 | //\r | |
547 | // First: copy sections.\r | |
548 | //\r | |
549 | for (Idx = 0; Idx < mEhdr->e_shnum; Idx++) {\r | |
550 | Elf_Shdr *Shdr = GetShdrByIndex(Idx);\r | |
551 | if ((*Filter)(Shdr)) {\r | |
552 | switch (Shdr->sh_type) {\r | |
553 | case SHT_PROGBITS:\r | |
554 | /* Copy. */\r | |
555 | memcpy(mCoffFile + mCoffSectionsOffset[Idx],\r | |
556 | (UINT8*)mEhdr + Shdr->sh_offset,\r | |
557 | (size_t) Shdr->sh_size);\r | |
558 | break;\r | |
559 | \r | |
560 | case SHT_NOBITS:\r | |
561 | memset(mCoffFile + mCoffSectionsOffset[Idx], 0, (size_t) Shdr->sh_size);\r | |
562 | break;\r | |
563 | \r | |
564 | default:\r | |
565 | //\r | |
566 | // Ignore for unkown section type.\r | |
567 | //\r | |
568 | VerboseMsg ("%s unknown section type %x. We directly copy this section into Coff file", mInImageName, (unsigned)Shdr->sh_type);\r | |
569 | break;\r | |
570 | }\r | |
571 | }\r | |
572 | }\r | |
573 | \r | |
574 | //\r | |
575 | // Second: apply relocations.\r | |
576 | //\r | |
577 | VerboseMsg ("Applying Relocations...");\r | |
578 | for (Idx = 0; Idx < mEhdr->e_shnum; Idx++) {\r | |
579 | //\r | |
580 | // Determine if this is a relocation section.\r | |
581 | //\r | |
582 | Elf_Shdr *RelShdr = GetShdrByIndex(Idx);\r | |
583 | if ((RelShdr->sh_type != SHT_REL) && (RelShdr->sh_type != SHT_RELA)) {\r | |
584 | continue;\r | |
585 | }\r | |
586 | \r | |
587 | //\r | |
588 | // Relocation section found. Now extract section information that the relocations\r | |
589 | // apply to in the ELF data and the new COFF data.\r | |
590 | //\r | |
591 | SecShdr = GetShdrByIndex(RelShdr->sh_info);\r | |
592 | SecOffset = mCoffSectionsOffset[RelShdr->sh_info];\r | |
593 | \r | |
594 | //\r | |
595 | // Only process relocations for the current filter type.\r | |
596 | //\r | |
597 | if (RelShdr->sh_type == SHT_RELA && (*Filter)(SecShdr)) {\r | |
598 | UINT64 RelIdx;\r | |
599 | \r | |
600 | //\r | |
601 | // Determine the symbol table referenced by the relocation data.\r | |
602 | //\r | |
603 | Elf_Shdr *SymtabShdr = GetShdrByIndex(RelShdr->sh_link);\r | |
604 | UINT8 *Symtab = (UINT8*)mEhdr + SymtabShdr->sh_offset;\r | |
605 | \r | |
606 | //\r | |
607 | // Process all relocation entries for this section.\r | |
608 | //\r | |
609 | for (RelIdx = 0; RelIdx < RelShdr->sh_size; RelIdx += (UINT32) RelShdr->sh_entsize) {\r | |
610 | \r | |
611 | //\r | |
612 | // Set pointer to relocation entry\r | |
613 | //\r | |
614 | Elf_Rela *Rel = (Elf_Rela *)((UINT8*)mEhdr + RelShdr->sh_offset + RelIdx);\r | |
615 | \r | |
616 | //\r | |
617 | // Set pointer to symbol table entry associated with the relocation entry.\r | |
618 | //\r | |
619 | Elf_Sym *Sym = (Elf_Sym *)(Symtab + ELF_R_SYM(Rel->r_info) * SymtabShdr->sh_entsize);\r | |
620 | \r | |
621 | Elf_Shdr *SymShdr;\r | |
622 | UINT8 *Targ;\r | |
623 | \r | |
624 | //\r | |
625 | // Check section header index found in symbol table and get the section\r | |
626 | // header location.\r | |
627 | //\r | |
628 | if (Sym->st_shndx == SHN_UNDEF\r | |
629 | || Sym->st_shndx == SHN_ABS\r | |
630 | || Sym->st_shndx > mEhdr->e_shnum) {\r | |
631 | Error (NULL, 0, 3000, "Invalid", "%s bad symbol definition.", mInImageName);\r | |
632 | }\r | |
633 | SymShdr = GetShdrByIndex(Sym->st_shndx);\r | |
634 | \r | |
635 | //\r | |
636 | // Convert the relocation data to a pointer into the coff file.\r | |
637 | //\r | |
638 | // Note:\r | |
639 | // r_offset is the virtual address of the storage unit to be relocated.\r | |
640 | // sh_addr is the virtual address for the base of the section.\r | |
641 | //\r | |
642 | // r_offset in a memory address.\r | |
643 | // Convert it to a pointer in the coff file.\r | |
644 | //\r | |
645 | Targ = mCoffFile + SecOffset + (Rel->r_offset - SecShdr->sh_addr);\r | |
646 | \r | |
647 | //\r | |
648 | // Determine how to handle each relocation type based on the machine type.\r | |
649 | //\r | |
650 | if (mEhdr->e_machine == EM_X86_64) {\r | |
651 | switch (ELF_R_TYPE(Rel->r_info)) {\r | |
652 | case R_X86_64_NONE:\r | |
653 | break;\r | |
654 | case R_X86_64_64:\r | |
655 | //\r | |
656 | // Absolute relocation.\r | |
657 | //\r | |
658 | VerboseMsg ("R_X86_64_64");\r | |
659 | VerboseMsg ("Offset: 0x%08X, Addend: 0x%016LX", \r | |
660 | (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)), \r | |
661 | *(UINT64 *)Targ);\r | |
662 | *(UINT64 *)Targ = *(UINT64 *)Targ - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx];\r | |
663 | VerboseMsg ("Relocation: 0x%016LX", *(UINT64*)Targ);\r | |
664 | break;\r | |
665 | case R_X86_64_32:\r | |
666 | VerboseMsg ("R_X86_64_32");\r | |
667 | VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X", \r | |
668 | (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)), \r | |
669 | *(UINT32 *)Targ);\r | |
670 | *(UINT32 *)Targ = (UINT32)((UINT64)(*(UINT32 *)Targ) - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx]);\r | |
671 | VerboseMsg ("Relocation: 0x%08X", *(UINT32*)Targ);\r | |
672 | break;\r | |
673 | case R_X86_64_32S:\r | |
674 | VerboseMsg ("R_X86_64_32S");\r | |
675 | VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X", \r | |
676 | (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)), \r | |
677 | *(UINT32 *)Targ);\r | |
678 | *(INT32 *)Targ = (INT32)((INT64)(*(INT32 *)Targ) - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx]);\r | |
679 | VerboseMsg ("Relocation: 0x%08X", *(UINT32*)Targ);\r | |
680 | break;\r | |
681 | case R_X86_64_PC32:\r | |
682 | //\r | |
683 | // Relative relocation: Symbol - Ip + Addend\r | |
684 | //\r | |
685 | VerboseMsg ("R_X86_64_PC32");\r | |
686 | VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X", \r | |
687 | (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)), \r | |
688 | *(UINT32 *)Targ);\r | |
689 | *(UINT32 *)Targ = (UINT32) (*(UINT32 *)Targ\r | |
690 | + (mCoffSectionsOffset[Sym->st_shndx] - SymShdr->sh_addr)\r | |
691 | - (SecOffset - SecShdr->sh_addr));\r | |
692 | VerboseMsg ("Relocation: 0x%08X", *(UINT32 *)Targ);\r | |
693 | break;\r | |
694 | default:\r | |
695 | Error (NULL, 0, 3000, "Invalid", "%s unsupported ELF EM_X86_64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));\r | |
696 | }\r | |
697 | } else if (mEhdr->e_machine == EM_AARCH64) {\r | |
698 | \r | |
699 | // AARCH64 GCC uses RELA relocation, so all relocations have to be fixed up.\r | |
700 | // As opposed to ARM32 using REL.\r | |
701 | \r | |
702 | switch (ELF_R_TYPE(Rel->r_info)) {\r | |
703 | \r | |
87280982 HL |
704 | case R_AARCH64_ADR_PREL_LO21:\r |
705 | if (Rel->r_addend != 0 ) { /* TODO */\r | |
706 | Error (NULL, 0, 3000, "Invalid", "AArch64: R_AARCH64_ADR_PREL_LO21 Need to fixup with addend!.");\r | |
707 | }\r | |
708 | break;\r | |
709 | \r | |
710 | case R_AARCH64_CONDBR19:\r | |
711 | if (Rel->r_addend != 0 ) { /* TODO */\r | |
712 | Error (NULL, 0, 3000, "Invalid", "AArch64: R_AARCH64_CONDBR19 Need to fixup with addend!.");\r | |
713 | }\r | |
714 | break;\r | |
715 | \r | |
f51461c8 LG |
716 | case R_AARCH64_LD_PREL_LO19:\r |
717 | if (Rel->r_addend != 0 ) { /* TODO */\r | |
718 | Error (NULL, 0, 3000, "Invalid", "AArch64: R_AARCH64_LD_PREL_LO19 Need to fixup with addend!.");\r | |
719 | }\r | |
720 | break;\r | |
721 | \r | |
722 | case R_AARCH64_CALL26:\r | |
f51461c8 | 723 | case R_AARCH64_JUMP26:\r |
b85f5799 OM |
724 | if (Rel->r_addend != 0 ) {\r |
725 | // Some references to static functions sometime start at the base of .text + addend.\r | |
726 | // It is safe to ignore these relocations because they patch a `BL` instructions that\r | |
727 | // contains an offset from the instruction itself and there is only a single .text section.\r | |
728 | // So we check if the symbol is a "section symbol"\r | |
729 | if (ELF64_ST_TYPE (Sym->st_info) == STT_SECTION) {\r | |
730 | break;\r | |
731 | }\r | |
f51461c8 LG |
732 | Error (NULL, 0, 3000, "Invalid", "AArch64: R_AARCH64_JUMP26 Need to fixup with addend!.");\r |
733 | }\r | |
734 | break;\r | |
735 | \r | |
736 | case R_AARCH64_ADR_PREL_PG_HI21:\r | |
737 | // TODO : AArch64 'small' memory model.\r | |
738 | Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADR_PREL_PG_HI21.", mInImageName);\r | |
739 | break;\r | |
740 | \r | |
741 | case R_AARCH64_ADD_ABS_LO12_NC:\r | |
742 | // TODO : AArch64 'small' memory model.\r | |
743 | Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADD_ABS_LO12_NC.", mInImageName);\r | |
744 | break;\r | |
745 | \r | |
746 | // Absolute relocations.\r | |
747 | case R_AARCH64_ABS64:\r | |
748 | *(UINT64 *)Targ = *(UINT64 *)Targ - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx];\r | |
749 | break;\r | |
750 | \r | |
751 | default:\r | |
752 | Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s unsupported ELF EM_AARCH64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));\r | |
753 | }\r | |
754 | } else {\r | |
755 | Error (NULL, 0, 3000, "Invalid", "Not a supported machine type");\r | |
756 | }\r | |
757 | }\r | |
758 | }\r | |
759 | }\r | |
760 | \r | |
761 | return TRUE;\r | |
762 | }\r | |
763 | \r | |
764 | STATIC\r | |
765 | VOID\r | |
766 | WriteRelocations64 (\r | |
767 | VOID\r | |
768 | )\r | |
769 | {\r | |
770 | UINT32 Index;\r | |
771 | EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;\r | |
772 | EFI_IMAGE_DATA_DIRECTORY *Dir;\r | |
773 | \r | |
774 | for (Index = 0; Index < mEhdr->e_shnum; Index++) {\r | |
775 | Elf_Shdr *RelShdr = GetShdrByIndex(Index);\r | |
776 | if ((RelShdr->sh_type == SHT_REL) || (RelShdr->sh_type == SHT_RELA)) {\r | |
777 | Elf_Shdr *SecShdr = GetShdrByIndex (RelShdr->sh_info);\r | |
778 | if (IsTextShdr(SecShdr) || IsDataShdr(SecShdr)) {\r | |
779 | UINT64 RelIdx;\r | |
780 | \r | |
781 | for (RelIdx = 0; RelIdx < RelShdr->sh_size; RelIdx += RelShdr->sh_entsize) {\r | |
782 | Elf_Rela *Rel = (Elf_Rela *)((UINT8*)mEhdr + RelShdr->sh_offset + RelIdx);\r | |
783 | \r | |
784 | if (mEhdr->e_machine == EM_X86_64) {\r | |
785 | switch (ELF_R_TYPE(Rel->r_info)) {\r | |
786 | case R_X86_64_NONE:\r | |
787 | case R_X86_64_PC32:\r | |
788 | break;\r | |
789 | case R_X86_64_64:\r | |
790 | VerboseMsg ("EFI_IMAGE_REL_BASED_DIR64 Offset: 0x%08X", \r | |
791 | mCoffSectionsOffset[RelShdr->sh_info] + (Rel->r_offset - SecShdr->sh_addr));\r | |
792 | CoffAddFixup(\r | |
793 | (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]\r | |
794 | + (Rel->r_offset - SecShdr->sh_addr)),\r | |
795 | EFI_IMAGE_REL_BASED_DIR64);\r | |
796 | break;\r | |
797 | case R_X86_64_32S:\r | |
798 | case R_X86_64_32:\r | |
799 | VerboseMsg ("EFI_IMAGE_REL_BASED_HIGHLOW Offset: 0x%08X", \r | |
800 | mCoffSectionsOffset[RelShdr->sh_info] + (Rel->r_offset - SecShdr->sh_addr));\r | |
801 | CoffAddFixup(\r | |
802 | (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]\r | |
803 | + (Rel->r_offset - SecShdr->sh_addr)),\r | |
804 | EFI_IMAGE_REL_BASED_HIGHLOW);\r | |
805 | break;\r | |
806 | default:\r | |
807 | Error (NULL, 0, 3000, "Invalid", "%s unsupported ELF EM_X86_64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));\r | |
808 | }\r | |
809 | } else if (mEhdr->e_machine == EM_AARCH64) {\r | |
810 | // AArch64 GCC uses RELA relocation, so all relocations has to be fixed up. ARM32 uses REL.\r | |
811 | switch (ELF_R_TYPE(Rel->r_info)) {\r | |
87280982 HL |
812 | case R_AARCH64_ADR_PREL_LO21:\r |
813 | break;\r | |
814 | \r | |
815 | case R_AARCH64_CONDBR19:\r | |
816 | break;\r | |
817 | \r | |
f51461c8 LG |
818 | case R_AARCH64_LD_PREL_LO19:\r |
819 | break;\r | |
820 | \r | |
821 | case R_AARCH64_CALL26:\r | |
822 | break;\r | |
823 | \r | |
824 | case R_AARCH64_JUMP26:\r | |
825 | break;\r | |
826 | \r | |
827 | case R_AARCH64_ADR_PREL_PG_HI21:\r | |
828 | // TODO : AArch64 'small' memory model.\r | |
829 | Error (NULL, 0, 3000, "Invalid", "WriteRelocations64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADR_PREL_PG_HI21.", mInImageName);\r | |
830 | break;\r | |
831 | \r | |
832 | case R_AARCH64_ADD_ABS_LO12_NC:\r | |
833 | // TODO : AArch64 'small' memory model.\r | |
834 | Error (NULL, 0, 3000, "Invalid", "WriteRelocations64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADD_ABS_LO12_NC.", mInImageName);\r | |
835 | break;\r | |
836 | \r | |
837 | case R_AARCH64_ABS64:\r | |
838 | CoffAddFixup(\r | |
839 | (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]\r | |
840 | + (Rel->r_offset - SecShdr->sh_addr)),\r | |
841 | EFI_IMAGE_REL_BASED_DIR64);\r | |
842 | break;\r | |
843 | \r | |
844 | case R_AARCH64_ABS32:\r | |
845 | CoffAddFixup(\r | |
846 | (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]\r | |
847 | + (Rel->r_offset - SecShdr->sh_addr)),\r | |
848 | EFI_IMAGE_REL_BASED_HIGHLOW);\r | |
849 | break;\r | |
850 | \r | |
851 | default:\r | |
852 | Error (NULL, 0, 3000, "Invalid", "WriteRelocations64(): %s unsupported ELF EM_AARCH64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));\r | |
853 | }\r | |
854 | } else {\r | |
855 | 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 | |
856 | }\r | |
857 | }\r | |
858 | }\r | |
859 | }\r | |
860 | }\r | |
861 | \r | |
862 | //\r | |
863 | // Pad by adding empty entries.\r | |
864 | //\r | |
865 | while (mCoffOffset & (mCoffAlignment - 1)) {\r | |
866 | CoffAddFixupEntry(0);\r | |
867 | }\r | |
868 | \r | |
869 | NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);\r | |
870 | Dir = &NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC];\r | |
871 | Dir->Size = mCoffOffset - mRelocOffset;\r | |
872 | if (Dir->Size == 0) {\r | |
873 | // If no relocations, null out the directory entry and don't add the .reloc section\r | |
874 | Dir->VirtualAddress = 0;\r | |
875 | NtHdr->Pe32Plus.FileHeader.NumberOfSections--;\r | |
876 | } else {\r | |
877 | Dir->VirtualAddress = mRelocOffset;\r | |
878 | CreateSectionHeader (".reloc", mRelocOffset, mCoffOffset - mRelocOffset,\r | |
879 | EFI_IMAGE_SCN_CNT_INITIALIZED_DATA\r | |
880 | | EFI_IMAGE_SCN_MEM_DISCARDABLE\r | |
881 | | EFI_IMAGE_SCN_MEM_READ);\r | |
882 | }\r | |
883 | }\r | |
884 | \r | |
885 | STATIC\r | |
886 | VOID\r | |
887 | WriteDebug64 (\r | |
888 | VOID\r | |
889 | )\r | |
890 | {\r | |
891 | UINT32 Len;\r | |
892 | UINT32 DebugOffset;\r | |
893 | EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;\r | |
894 | EFI_IMAGE_DATA_DIRECTORY *DataDir;\r | |
895 | EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *Dir;\r | |
896 | EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY *Nb10;\r | |
897 | \r | |
898 | Len = strlen(mInImageName) + 1;\r | |
899 | DebugOffset = mCoffOffset;\r | |
900 | \r | |
901 | mCoffOffset += sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY)\r | |
902 | + sizeof(EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY)\r | |
903 | + Len;\r | |
904 | mCoffOffset = CoffAlign(mCoffOffset);\r | |
905 | \r | |
906 | mCoffFile = realloc(mCoffFile, mCoffOffset);\r | |
907 | memset(mCoffFile + DebugOffset, 0, mCoffOffset - DebugOffset);\r | |
908 | \r | |
909 | Dir = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY*)(mCoffFile + DebugOffset);\r | |
910 | Dir->Type = EFI_IMAGE_DEBUG_TYPE_CODEVIEW;\r | |
911 | Dir->SizeOfData = sizeof(EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY) + Len;\r | |
912 | Dir->RVA = DebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);\r | |
913 | Dir->FileOffset = DebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);\r | |
914 | \r | |
915 | Nb10 = (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY*)(Dir + 1);\r | |
916 | Nb10->Signature = CODEVIEW_SIGNATURE_NB10;\r | |
917 | strcpy ((char *)(Nb10 + 1), mInImageName);\r | |
918 | \r | |
919 | \r | |
920 | NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);\r | |
921 | DataDir = &NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG];\r | |
922 | DataDir->VirtualAddress = DebugOffset;\r | |
923 | DataDir->Size = mCoffOffset - DebugOffset;\r | |
924 | if (DataDir->Size == 0) {\r | |
925 | // If no debug, null out the directory entry and don't add the .debug section\r | |
926 | DataDir->VirtualAddress = 0;\r | |
927 | NtHdr->Pe32Plus.FileHeader.NumberOfSections--;\r | |
928 | } else {\r | |
929 | DataDir->VirtualAddress = DebugOffset;\r | |
930 | CreateSectionHeader (".debug", DebugOffset, mCoffOffset - DebugOffset,\r | |
931 | EFI_IMAGE_SCN_CNT_INITIALIZED_DATA\r | |
932 | | EFI_IMAGE_SCN_MEM_DISCARDABLE\r | |
933 | | EFI_IMAGE_SCN_MEM_READ);\r | |
934 | \r | |
935 | }\r | |
936 | }\r | |
937 | \r | |
938 | STATIC\r | |
939 | VOID\r | |
940 | SetImageSize64 (\r | |
941 | VOID\r | |
942 | )\r | |
943 | {\r | |
944 | EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;\r | |
945 | \r | |
946 | //\r | |
947 | // Set image size\r | |
948 | //\r | |
949 | NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);\r | |
950 | NtHdr->Pe32Plus.OptionalHeader.SizeOfImage = mCoffOffset;\r | |
951 | }\r | |
952 | \r | |
953 | STATIC\r | |
954 | VOID\r | |
955 | CleanUp64 (\r | |
956 | VOID\r | |
957 | )\r | |
958 | {\r | |
959 | if (mCoffSectionsOffset != NULL) {\r | |
960 | free (mCoffSectionsOffset);\r | |
961 | }\r | |
962 | }\r | |
963 | \r | |
964 | \r |