1 /** @file 2 EFI image format for PE32+. Please note some data structures are different 3 for IA-32 and Itanium-based images, look for UINTN and the #ifdef EFI_IA64 4 5 @bug Fix text - doc as defined in MSFT EFI specification. 6 7 Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR> 8 Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR> 9 10 This program and the accompanying materials are licensed and made available 11 under the terms and conditions of the BSD License which accompanies this 12 distribution. The full text of the license may be found at 13 http://opensource.org/licenses/bsd-license.php 14 15 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 16 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 17 18 **/ 19 20 #ifndef __PE_IMAGE_H__ 21 #define __PE_IMAGE_H__ 22 23 // 24 // PE32+ Subsystem type for EFI images 25 // 26 #define EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION 10 27 #define EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER 11 28 #define EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER 12 29 #define EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER 13 30 31 // 32 // BugBug: Need to get a real answer for this problem. This is not in the 33 // PE specification. 34 // 35 // A SAL runtime driver does not get fixed up when a transition to 36 // virtual mode is made. In all other cases it should be treated 37 // like a EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER image 38 // 39 #define EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER 13 40 41 // 42 // PE32+ Machine type for EFI images 43 // 44 #define IMAGE_FILE_MACHINE_I386 0x014c 45 #define IMAGE_FILE_MACHINE_IA64 0x0200 46 #define IMAGE_FILE_MACHINE_EBC 0x0EBC 47 #define IMAGE_FILE_MACHINE_X64 0x8664 48 #define IMAGE_FILE_MACHINE_ARM 0x01c0 // Thumb only 49 #define IMAGE_FILE_MACHINE_ARMT 0x01c2 // 32bit Mixed ARM and Thumb/Thumb 2 Little Endian 50 #define IMAGE_FILE_MACHINE_ARM64 0xAA64 // 64bit ARM Architecture, Little Endian 51 52 // 53 // Support old names for backward compatible 54 // 55 #define EFI_IMAGE_MACHINE_IA32 IMAGE_FILE_MACHINE_I386 56 #define EFI_IMAGE_MACHINE_IA64 IMAGE_FILE_MACHINE_IA64 57 #define EFI_IMAGE_MACHINE_IPF IMAGE_FILE_MACHINE_IA64 58 #define EFI_IMAGE_MACHINE_EBC IMAGE_FILE_MACHINE_EBC 59 #define EFI_IMAGE_MACHINE_X64 IMAGE_FILE_MACHINE_X64 60 #define EFI_IMAGE_MACHINE_ARMT IMAGE_FILE_MACHINE_ARMT 61 #define EFI_IMAGE_MACHINE_AARCH64 IMAGE_FILE_MACHINE_ARM64 62 63 #define EFI_IMAGE_DOS_SIGNATURE 0x5A4D // MZ 64 #define EFI_IMAGE_OS2_SIGNATURE 0x454E // NE 65 #define EFI_IMAGE_OS2_SIGNATURE_LE 0x454C // LE 66 #define EFI_IMAGE_NT_SIGNATURE 0x00004550 // PE00 67 #define EFI_IMAGE_EDOS_SIGNATURE 0x44454550 // PEED 68 69 /// 70 /// PE images can start with an optional DOS header, so if an image is run 71 /// under DOS it can print an error message. 72 /// 73 typedef struct { 74 UINT16 e_magic; // Magic number 75 UINT16 e_cblp; // Bytes on last page of file 76 UINT16 e_cp; // Pages in file 77 UINT16 e_crlc; // Relocations 78 UINT16 e_cparhdr; // Size of header in paragraphs 79 UINT16 e_minalloc; // Minimum extra paragraphs needed 80 UINT16 e_maxalloc; // Maximum extra paragraphs needed 81 UINT16 e_ss; // Initial (relative) SS value 82 UINT16 e_sp; // Initial SP value 83 UINT16 e_csum; // Checksum 84 UINT16 e_ip; // Initial IP value 85 UINT16 e_cs; // Initial (relative) CS value 86 UINT16 e_lfarlc; // File address of relocation table 87 UINT16 e_ovno; // Overlay number 88 UINT16 e_res[4]; // Reserved words 89 UINT16 e_oemid; // OEM identifier (for e_oeminfo) 90 UINT16 e_oeminfo; // OEM information; e_oemid specific 91 UINT16 e_res2[10]; // Reserved words 92 UINT32 e_lfanew; // File address of new exe header 93 } EFI_IMAGE_DOS_HEADER; 94 95 /// 96 /// File header format. 97 /// 98 typedef struct { 99 UINT16 Machine; 100 UINT16 NumberOfSections; 101 UINT32 TimeDateStamp; 102 UINT32 PointerToSymbolTable; 103 UINT32 NumberOfSymbols; 104 UINT16 SizeOfOptionalHeader; 105 UINT16 Characteristics; 106 } EFI_IMAGE_FILE_HEADER; 107 108 #define EFI_IMAGE_SIZEOF_FILE_HEADER 20 109 110 #define EFI_IMAGE_FILE_RELOCS_STRIPPED 0x0001 // Relocation info stripped from file. 111 #define EFI_IMAGE_FILE_EXECUTABLE_IMAGE 0x0002 // File is executable (i.e. no unresolved externel references). 112 #define EFI_IMAGE_FILE_LINE_NUMS_STRIPPED 0x0004 // Line nunbers stripped from file. 113 #define EFI_IMAGE_FILE_LOCAL_SYMS_STRIPPED 0x0008 // Local symbols stripped from file. 114 #define EFI_IMAGE_FILE_LARGE_ADDRESS_AWARE 0x0020 // Supports addresses > 2-GB 115 #define EFI_IMAGE_FILE_BYTES_REVERSED_LO 0x0080 // Bytes of machine word are reversed. 116 #define EFI_IMAGE_FILE_32BIT_MACHINE 0x0100 // 32 bit word machine. 117 #define EFI_IMAGE_FILE_DEBUG_STRIPPED 0x0200 // Debugging info stripped from file in .DBG file 118 #define EFI_IMAGE_FILE_SYSTEM 0x1000 // System File. 119 #define EFI_IMAGE_FILE_DLL 0x2000 // File is a DLL. 120 #define EFI_IMAGE_FILE_BYTES_REVERSED_HI 0x8000 // Bytes of machine word are reversed. 121 #define EFI_IMAGE_FILE_MACHINE_UNKNOWN 0 122 #define EFI_IMAGE_FILE_MACHINE_I386 0x14c // Intel 386. 123 #define EFI_IMAGE_FILE_MACHINE_R3000 0x162 // MIPS* little-endian, 0540 big-endian 124 #define EFI_IMAGE_FILE_MACHINE_R4000 0x166 // MIPS* little-endian 125 #define EFI_IMAGE_FILE_MACHINE_ALPHA 0x184 // Alpha_AXP* 126 #define EFI_IMAGE_FILE_MACHINE_POWERPC 0x1F0 // IBM* PowerPC Little-Endian 127 #define EFI_IMAGE_FILE_MACHINE_TAHOE 0x7cc // Intel EM machine 128 // 129 // * Other names and brands may be claimed as the property of others. 130 // 131 132 /// 133 /// Directory format. 134 /// 135 typedef struct { 136 UINT32 VirtualAddress; 137 UINT32 Size; 138 } EFI_IMAGE_DATA_DIRECTORY; 139 140 #define EFI_IMAGE_NUMBER_OF_DIRECTORY_ENTRIES 16 141 142 typedef struct { 143 UINT16 Magic; 144 UINT8 MajorLinkerVersion; 145 UINT8 MinorLinkerVersion; 146 UINT32 SizeOfCode; 147 UINT32 SizeOfInitializedData; 148 UINT32 SizeOfUninitializedData; 149 UINT32 AddressOfEntryPoint; 150 UINT32 BaseOfCode; 151 UINT32 BaseOfData; 152 UINT32 BaseOfBss; 153 UINT32 GprMask; 154 UINT32 CprMask[4]; 155 UINT32 GpValue; 156 } EFI_IMAGE_ROM_OPTIONAL_HEADER; 157 158 #define EFI_IMAGE_ROM_OPTIONAL_HDR_MAGIC 0x107 159 #define EFI_IMAGE_SIZEOF_ROM_OPTIONAL_HEADER sizeof (EFI_IMAGE_ROM_OPTIONAL_HEADER) 160 161 typedef struct { 162 EFI_IMAGE_FILE_HEADER FileHeader; 163 EFI_IMAGE_ROM_OPTIONAL_HEADER OptionalHeader; 164 } EFI_IMAGE_ROM_HEADERS; 165 166 /// 167 /// @attention 168 /// EFI_IMAGE_OPTIONAL_HEADER32 and EFI_IMAGE_OPTIONAL_HEADER64 169 /// are for use ONLY by tools. All proper EFI code MUST use 170 /// EFI_IMAGE_OPTIONAL_HEADER ONLY!!! 171 /// 172 #define EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC 0x10b 173 174 typedef struct { 175 // 176 // Standard fields. 177 // 178 UINT16 Magic; 179 UINT8 MajorLinkerVersion; 180 UINT8 MinorLinkerVersion; 181 UINT32 SizeOfCode; 182 UINT32 SizeOfInitializedData; 183 UINT32 SizeOfUninitializedData; 184 UINT32 AddressOfEntryPoint; 185 UINT32 BaseOfCode; 186 UINT32 BaseOfData; 187 // 188 // NT additional fields. 189 // 190 UINT32 ImageBase; 191 UINT32 SectionAlignment; 192 UINT32 FileAlignment; 193 UINT16 MajorOperatingSystemVersion; 194 UINT16 MinorOperatingSystemVersion; 195 UINT16 MajorImageVersion; 196 UINT16 MinorImageVersion; 197 UINT16 MajorSubsystemVersion; 198 UINT16 MinorSubsystemVersion; 199 UINT32 Win32VersionValue; 200 UINT32 SizeOfImage; 201 UINT32 SizeOfHeaders; 202 UINT32 CheckSum; 203 UINT16 Subsystem; 204 UINT16 DllCharacteristics; 205 UINT32 SizeOfStackReserve; 206 UINT32 SizeOfStackCommit; 207 UINT32 SizeOfHeapReserve; 208 UINT32 SizeOfHeapCommit; 209 UINT32 LoaderFlags; 210 UINT32 NumberOfRvaAndSizes; 211 EFI_IMAGE_DATA_DIRECTORY DataDirectory[EFI_IMAGE_NUMBER_OF_DIRECTORY_ENTRIES]; 212 } EFI_IMAGE_OPTIONAL_HEADER32; 213 214 /// 215 /// @attention 216 /// EFI_IMAGE_OPTIONAL_HEADER32 and EFI_IMAGE_OPTIONAL_HEADER64 217 /// are for use ONLY by tools. All proper EFI code MUST use 218 /// EFI_IMAGE_OPTIONAL_HEADER ONLY!!! 219 /// 220 #define EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x20b 221 222 typedef struct { 223 // 224 // Standard fields. 225 // 226 UINT16 Magic; 227 UINT8 MajorLinkerVersion; 228 UINT8 MinorLinkerVersion; 229 UINT32 SizeOfCode; 230 UINT32 SizeOfInitializedData; 231 UINT32 SizeOfUninitializedData; 232 UINT32 AddressOfEntryPoint; 233 UINT32 BaseOfCode; 234 // 235 // NT additional fields. 236 // 237 UINT64 ImageBase; 238 UINT32 SectionAlignment; 239 UINT32 FileAlignment; 240 UINT16 MajorOperatingSystemVersion; 241 UINT16 MinorOperatingSystemVersion; 242 UINT16 MajorImageVersion; 243 UINT16 MinorImageVersion; 244 UINT16 MajorSubsystemVersion; 245 UINT16 MinorSubsystemVersion; 246 UINT32 Win32VersionValue; 247 UINT32 SizeOfImage; 248 UINT32 SizeOfHeaders; 249 UINT32 CheckSum; 250 UINT16 Subsystem; 251 UINT16 DllCharacteristics; 252 UINT64 SizeOfStackReserve; 253 UINT64 SizeOfStackCommit; 254 UINT64 SizeOfHeapReserve; 255 UINT64 SizeOfHeapCommit; 256 UINT32 LoaderFlags; 257 UINT32 NumberOfRvaAndSizes; 258 EFI_IMAGE_DATA_DIRECTORY DataDirectory[EFI_IMAGE_NUMBER_OF_DIRECTORY_ENTRIES]; 259 } EFI_IMAGE_OPTIONAL_HEADER64; 260 261 /// 262 /// @attention 263 /// EFI_IMAGE_NT_HEADERS32 and EFI_IMAGE_HEADERS64 are for use ONLY 264 /// by tools. All proper EFI code MUST use EFI_IMAGE_NT_HEADERS ONLY!!! 265 /// 266 typedef struct { 267 UINT32 Signature; 268 EFI_IMAGE_FILE_HEADER FileHeader; 269 EFI_IMAGE_OPTIONAL_HEADER32 OptionalHeader; 270 } EFI_IMAGE_NT_HEADERS32; 271 272 #define EFI_IMAGE_SIZEOF_NT_OPTIONAL32_HEADER sizeof (EFI_IMAGE_NT_HEADERS32) 273 274 typedef struct { 275 UINT32 Signature; 276 EFI_IMAGE_FILE_HEADER FileHeader; 277 EFI_IMAGE_OPTIONAL_HEADER64 OptionalHeader; 278 } EFI_IMAGE_NT_HEADERS64; 279 280 #define EFI_IMAGE_SIZEOF_NT_OPTIONAL64_HEADER sizeof (EFI_IMAGE_NT_HEADERS64) 281 282 // 283 // Subsystem Values 284 // 285 #define EFI_IMAGE_SUBSYSTEM_UNKNOWN 0 286 #define EFI_IMAGE_SUBSYSTEM_NATIVE 1 287 #define EFI_IMAGE_SUBSYSTEM_WINDOWS_GUI 2 288 #define EFI_IMAGE_SUBSYSTEM_WINDOWS_CUI 3. 289 #define EFI_IMAGE_SUBSYSTEM_OS2_CUI 5 290 #define EFI_IMAGE_SUBSYSTEM_POSIX_CUI 7 291 292 // 293 // Directory Entries 294 // 295 #define EFI_IMAGE_DIRECTORY_ENTRY_EXPORT 0 296 #define EFI_IMAGE_DIRECTORY_ENTRY_IMPORT 1 297 #define EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE 2 298 #define EFI_IMAGE_DIRECTORY_ENTRY_EXCEPTION 3 299 #define EFI_IMAGE_DIRECTORY_ENTRY_SECURITY 4 300 #define EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC 5 301 #define EFI_IMAGE_DIRECTORY_ENTRY_DEBUG 6 302 #define EFI_IMAGE_DIRECTORY_ENTRY_COPYRIGHT 7 303 #define EFI_IMAGE_DIRECTORY_ENTRY_GLOBALPTR 8 304 #define EFI_IMAGE_DIRECTORY_ENTRY_TLS 9 305 #define EFI_IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG 10 306 307 // 308 // Section header format. 309 // 310 #define EFI_IMAGE_SIZEOF_SHORT_NAME 8 311 312 typedef struct { 313 UINT8 Name[EFI_IMAGE_SIZEOF_SHORT_NAME]; 314 union { 315 UINT32 PhysicalAddress; 316 UINT32 VirtualSize; 317 } Misc; 318 UINT32 VirtualAddress; 319 UINT32 SizeOfRawData; 320 UINT32 PointerToRawData; 321 UINT32 PointerToRelocations; 322 UINT32 PointerToLinenumbers; 323 UINT16 NumberOfRelocations; 324 UINT16 NumberOfLinenumbers; 325 UINT32 Characteristics; 326 } EFI_IMAGE_SECTION_HEADER; 327 328 #define EFI_IMAGE_SIZEOF_SECTION_HEADER 40 329 330 #define EFI_IMAGE_SCN_TYPE_NO_PAD 0x00000008 // Reserved. 331 #define EFI_IMAGE_SCN_CNT_CODE 0x00000020 332 #define EFI_IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 333 #define EFI_IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 334 335 #define EFI_IMAGE_SCN_LNK_OTHER 0x00000100 // Reserved. 336 #define EFI_IMAGE_SCN_LNK_INFO 0x00000200 // Section contains comments or some other type of information. 337 #define EFI_IMAGE_SCN_LNK_REMOVE 0x00000800 // Section contents will not become part of image. 338 #define EFI_IMAGE_SCN_LNK_COMDAT 0x00001000 339 340 #define EFI_IMAGE_SCN_ALIGN_1BYTES 0x00100000 341 #define EFI_IMAGE_SCN_ALIGN_2BYTES 0x00200000 342 #define EFI_IMAGE_SCN_ALIGN_4BYTES 0x00300000 343 #define EFI_IMAGE_SCN_ALIGN_8BYTES 0x00400000 344 #define EFI_IMAGE_SCN_ALIGN_16BYTES 0x00500000 345 #define EFI_IMAGE_SCN_ALIGN_32BYTES 0x00600000 346 #define EFI_IMAGE_SCN_ALIGN_64BYTES 0x00700000 347 348 #define EFI_IMAGE_SCN_MEM_DISCARDABLE 0x02000000 349 #define EFI_IMAGE_SCN_MEM_NOT_CACHED 0x04000000 350 #define EFI_IMAGE_SCN_MEM_NOT_PAGED 0x08000000 351 #define EFI_IMAGE_SCN_MEM_SHARED 0x10000000 352 #define EFI_IMAGE_SCN_MEM_EXECUTE 0x20000000 353 #define EFI_IMAGE_SCN_MEM_READ 0x40000000 354 #define EFI_IMAGE_SCN_MEM_WRITE 0x80000000 355 356 /// 357 /// Symbol format. 358 /// 359 #define EFI_IMAGE_SIZEOF_SYMBOL 18 360 361 // 362 // Section values. 363 // 364 // Symbols have a section number of the section in which they are 365 // defined. Otherwise, section numbers have the following meanings: 366 // 367 #define EFI_IMAGE_SYM_UNDEFINED (UINT16) 0 // Symbol is undefined or is common. 368 #define EFI_IMAGE_SYM_ABSOLUTE (UINT16) -1 // Symbol is an absolute value. 369 #define EFI_IMAGE_SYM_DEBUG (UINT16) -2 // Symbol is a special debug item. 370 // 371 // Type (fundamental) values. 372 // 373 #define EFI_IMAGE_SYM_TYPE_NULL 0 // no type. 374 #define EFI_IMAGE_SYM_TYPE_VOID 1 // 375 #define EFI_IMAGE_SYM_TYPE_CHAR 2 // type character. 376 #define EFI_IMAGE_SYM_TYPE_SHORT 3 // type short integer. 377 #define EFI_IMAGE_SYM_TYPE_INT 4 378 #define EFI_IMAGE_SYM_TYPE_LONG 5 379 #define EFI_IMAGE_SYM_TYPE_FLOAT 6 380 #define EFI_IMAGE_SYM_TYPE_DOUBLE 7 381 #define EFI_IMAGE_SYM_TYPE_STRUCT 8 382 #define EFI_IMAGE_SYM_TYPE_UNION 9 383 #define EFI_IMAGE_SYM_TYPE_ENUM 10 // enumeration. 384 #define EFI_IMAGE_SYM_TYPE_MOE 11 // member of enumeration. 385 #define EFI_IMAGE_SYM_TYPE_BYTE 12 386 #define EFI_IMAGE_SYM_TYPE_WORD 13 387 #define EFI_IMAGE_SYM_TYPE_UINT 14 388 #define EFI_IMAGE_SYM_TYPE_DWORD 15 389 390 // 391 // Type (derived) values. 392 // 393 #define EFI_IMAGE_SYM_DTYPE_NULL 0 // no derived type. 394 #define EFI_IMAGE_SYM_DTYPE_POINTER 1 395 #define EFI_IMAGE_SYM_DTYPE_FUNCTION 2 396 #define EFI_IMAGE_SYM_DTYPE_ARRAY 3 397 398 // 399 // Storage classes. 400 // 401 #define EFI_IMAGE_SYM_CLASS_END_OF_FUNCTION (UINT8) -1 402 #define EFI_IMAGE_SYM_CLASS_NULL 0 403 #define EFI_IMAGE_SYM_CLASS_AUTOMATIC 1 404 #define EFI_IMAGE_SYM_CLASS_EXTERNAL 2 405 #define EFI_IMAGE_SYM_CLASS_STATIC 3 406 #define EFI_IMAGE_SYM_CLASS_REGISTER 4 407 #define EFI_IMAGE_SYM_CLASS_EXTERNAL_DEF 5 408 #define EFI_IMAGE_SYM_CLASS_LABEL 6 409 #define EFI_IMAGE_SYM_CLASS_UNDEFINED_LABEL 7 410 #define EFI_IMAGE_SYM_CLASS_MEMBER_OF_STRUCT 8 411 #define EFI_IMAGE_SYM_CLASS_ARGUMENT 9 412 #define EFI_IMAGE_SYM_CLASS_STRUCT_TAG 10 413 #define EFI_IMAGE_SYM_CLASS_MEMBER_OF_UNION 11 414 #define EFI_IMAGE_SYM_CLASS_UNION_TAG 12 415 #define EFI_IMAGE_SYM_CLASS_TYPE_DEFINITION 13 416 #define EFI_IMAGE_SYM_CLASS_UNDEFINED_STATIC 14 417 #define EFI_IMAGE_SYM_CLASS_ENUM_TAG 15 418 #define EFI_IMAGE_SYM_CLASS_MEMBER_OF_ENUM 16 419 #define EFI_IMAGE_SYM_CLASS_REGISTER_PARAM 17 420 #define EFI_IMAGE_SYM_CLASS_BIT_FIELD 18 421 #define EFI_IMAGE_SYM_CLASS_BLOCK 100 422 #define EFI_IMAGE_SYM_CLASS_FUNCTION 101 423 #define EFI_IMAGE_SYM_CLASS_END_OF_STRUCT 102 424 #define EFI_IMAGE_SYM_CLASS_FILE 103 425 #define EFI_IMAGE_SYM_CLASS_SECTION 104 426 #define EFI_IMAGE_SYM_CLASS_WEAK_EXTERNAL 105 427 428 // 429 // type packing constants 430 // 431 #define EFI_IMAGE_N_BTMASK 017 432 #define EFI_IMAGE_N_TMASK 060 433 #define EFI_IMAGE_N_TMASK1 0300 434 #define EFI_IMAGE_N_TMASK2 0360 435 #define EFI_IMAGE_N_BTSHFT 4 436 #define EFI_IMAGE_N_TSHIFT 2 437 438 // 439 // Communal selection types. 440 // 441 #define EFI_IMAGE_COMDAT_SELECT_NODUPLICATES 1 442 #define EFI_IMAGE_COMDAT_SELECT_ANY 2 443 #define EFI_IMAGE_COMDAT_SELECT_SAME_SIZE 3 444 #define EFI_IMAGE_COMDAT_SELECT_EXACT_MATCH 4 445 #define EFI_IMAGE_COMDAT_SELECT_ASSOCIATIVE 5 446 447 #define EFI_IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY 1 448 #define EFI_IMAGE_WEAK_EXTERN_SEARCH_LIBRARY 2 449 #define EFI_IMAGE_WEAK_EXTERN_SEARCH_ALIAS 3 450 451 /// 452 /// Relocation format. 453 /// 454 typedef struct { 455 UINT32 VirtualAddress; 456 UINT32 SymbolTableIndex; 457 UINT16 Type; 458 } EFI_IMAGE_RELOCATION; 459 460 #define EFI_IMAGE_SIZEOF_RELOCATION 10 461 462 // 463 // I386 relocation types. 464 // 465 #define EFI_IMAGE_REL_I386_ABSOLUTE 0 // Reference is absolute, no relocation is necessary 466 #define EFI_IMAGE_REL_I386_DIR16 01 // Direct 16-bit reference to the symbols virtual address 467 #define EFI_IMAGE_REL_I386_REL16 02 // PC-relative 16-bit reference to the symbols virtual address 468 #define EFI_IMAGE_REL_I386_DIR32 06 // Direct 32-bit reference to the symbols virtual address 469 #define EFI_IMAGE_REL_I386_DIR32NB 07 // Direct 32-bit reference to the symbols virtual address, base not included 470 #define EFI_IMAGE_REL_I386_SEG12 09 // Direct 16-bit reference to the segment-selector bits of a 32-bit virtual address 471 #define EFI_IMAGE_REL_I386_SECTION 010 472 #define EFI_IMAGE_REL_I386_SECREL 011 473 #define EFI_IMAGE_REL_I386_REL32 020 // PC-relative 32-bit reference to the symbols virtual address 474 475 // 476 // x64 processor relocation types. 477 // 478 #define IMAGE_REL_AMD64_ABSOLUTE 0x0000 479 #define IMAGE_REL_AMD64_ADDR64 0x0001 480 #define IMAGE_REL_AMD64_ADDR32 0x0002 481 #define IMAGE_REL_AMD64_ADDR32NB 0x0003 482 #define IMAGE_REL_AMD64_REL32 0x0004 483 #define IMAGE_REL_AMD64_REL32_1 0x0005 484 #define IMAGE_REL_AMD64_REL32_2 0x0006 485 #define IMAGE_REL_AMD64_REL32_3 0x0007 486 #define IMAGE_REL_AMD64_REL32_4 0x0008 487 #define IMAGE_REL_AMD64_REL32_5 0x0009 488 #define IMAGE_REL_AMD64_SECTION 0x000A 489 #define IMAGE_REL_AMD64_SECREL 0x000B 490 #define IMAGE_REL_AMD64_SECREL7 0x000C 491 #define IMAGE_REL_AMD64_TOKEN 0x000D 492 #define IMAGE_REL_AMD64_SREL32 0x000E 493 #define IMAGE_REL_AMD64_PAIR 0x000F 494 #define IMAGE_REL_AMD64_SSPAN32 0x0010 495 496 /// 497 /// Based relocation format. 498 /// 499 typedef struct { 500 UINT32 VirtualAddress; 501 UINT32 SizeOfBlock; 502 } EFI_IMAGE_BASE_RELOCATION; 503 504 #define EFI_IMAGE_SIZEOF_BASE_RELOCATION 8 505 506 // 507 // Based relocation types. 508 // 509 #define EFI_IMAGE_REL_BASED_ABSOLUTE 0 510 #define EFI_IMAGE_REL_BASED_HIGH 1 511 #define EFI_IMAGE_REL_BASED_LOW 2 512 #define EFI_IMAGE_REL_BASED_HIGHLOW 3 513 #define EFI_IMAGE_REL_BASED_HIGHADJ 4 514 #define EFI_IMAGE_REL_BASED_MIPS_JMPADDR 5 515 #define EFI_IMAGE_REL_BASED_ARM_MOV32A 5 516 #define EFI_IMAGE_REL_BASED_ARM_MOV32T 7 517 #define EFI_IMAGE_REL_BASED_IA64_IMM64 9 518 #define EFI_IMAGE_REL_BASED_DIR64 10 519 520 521 /// 522 /// Line number format. 523 /// 524 typedef struct { 525 union { 526 UINT32 SymbolTableIndex; // Symbol table index of function name if Linenumber is 0. 527 UINT32 VirtualAddress; // Virtual address of line number. 528 } Type; 529 UINT16 Linenumber; // Line number. 530 } EFI_IMAGE_LINENUMBER; 531 532 #define EFI_IMAGE_SIZEOF_LINENUMBER 6 533 534 // 535 // Archive format. 536 // 537 #define EFI_IMAGE_ARCHIVE_START_SIZE 8 538 #define EFI_IMAGE_ARCHIVE_START "!<arch>\n" 539 #define EFI_IMAGE_ARCHIVE_END "`\n" 540 #define EFI_IMAGE_ARCHIVE_PAD "\n" 541 #define EFI_IMAGE_ARCHIVE_LINKER_MEMBER "/ " 542 #define EFI_IMAGE_ARCHIVE_LONGNAMES_MEMBER "// " 543 544 typedef struct { 545 UINT8 Name[16]; // File member name - `/' terminated. 546 UINT8 Date[12]; // File member date - decimal. 547 UINT8 UserID[6]; // File member user id - decimal. 548 UINT8 GroupID[6]; // File member group id - decimal. 549 UINT8 Mode[8]; // File member mode - octal. 550 UINT8 Size[10]; // File member size - decimal. 551 UINT8 EndHeader[2]; // String to end header. 552 } EFI_IMAGE_ARCHIVE_MEMBER_HEADER; 553 554 #define EFI_IMAGE_SIZEOF_ARCHIVE_MEMBER_HDR 60 555 556 // 557 // DLL support. 558 // 559 560 /// 561 /// DLL Export Format 562 /// 563 typedef struct { 564 UINT32 Characteristics; 565 UINT32 TimeDateStamp; 566 UINT16 MajorVersion; 567 UINT16 MinorVersion; 568 UINT32 Name; 569 UINT32 Base; 570 UINT32 NumberOfFunctions; 571 UINT32 NumberOfNames; 572 UINT32 AddressOfFunctions; 573 UINT32 AddressOfNames; 574 UINT32 AddressOfNameOrdinals; 575 } EFI_IMAGE_EXPORT_DIRECTORY; 576 577 /// 578 /// DLL support. 579 /// Import Format 580 /// 581 typedef struct { 582 UINT16 Hint; 583 UINT8 Name[1]; 584 } EFI_IMAGE_IMPORT_BY_NAME; 585 586 typedef struct { 587 union { 588 UINT32 Function; 589 UINT32 Ordinal; 590 EFI_IMAGE_IMPORT_BY_NAME *AddressOfData; 591 } u1; 592 } EFI_IMAGE_THUNK_DATA; 593 594 #define EFI_IMAGE_ORDINAL_FLAG 0x80000000 595 #define EFI_IMAGE_SNAP_BY_ORDINAL(Ordinal) ((Ordinal & EFI_IMAGE_ORDINAL_FLAG) != 0) 596 #define EFI_IMAGE_ORDINAL(Ordinal) (Ordinal & 0xffff) 597 598 typedef struct { 599 UINT32 Characteristics; 600 UINT32 TimeDateStamp; 601 UINT32 ForwarderChain; 602 UINT32 Name; 603 EFI_IMAGE_THUNK_DATA *FirstThunk; 604 } EFI_IMAGE_IMPORT_DESCRIPTOR; 605 606 /// 607 /// Debug Format 608 /// 609 #define EFI_IMAGE_DEBUG_TYPE_CODEVIEW 2 610 611 typedef struct { 612 UINT32 Characteristics; 613 UINT32 TimeDateStamp; 614 UINT16 MajorVersion; 615 UINT16 MinorVersion; 616 UINT32 Type; 617 UINT32 SizeOfData; 618 UINT32 RVA; 619 UINT32 FileOffset; 620 } EFI_IMAGE_DEBUG_DIRECTORY_ENTRY; 621 622 #define CODEVIEW_SIGNATURE_NB10 0x3031424E // "NB10" 623 typedef struct { 624 UINT32 Signature; // "NB10" 625 UINT32 Unknown; 626 UINT32 Unknown2; 627 UINT32 Unknown3; 628 // 629 // Filename of .PDB goes here 630 // 631 } EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY; 632 633 #define CODEVIEW_SIGNATURE_RSDS 0x53445352 // "RSDS" 634 typedef struct { 635 UINT32 Signature; // "RSDS" 636 UINT32 Unknown; 637 UINT32 Unknown2; 638 UINT32 Unknown3; 639 UINT32 Unknown4; 640 UINT32 Unknown5; 641 // 642 // Filename of .PDB goes here 643 // 644 } EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY; 645 646 /// 647 /// Debug Data Structure defined by Apple Mach-O to Coff utility 648 /// 649 #define CODEVIEW_SIGNATURE_MTOC SIGNATURE_32('M', 'T', 'O', 'C') 650 typedef struct { 651 UINT32 Signature; ///< "MTOC" 652 EFI_GUID MachOUuid; 653 // 654 // Filename of .DLL (Mach-O with debug info) goes here 655 // 656 } EFI_IMAGE_DEBUG_CODEVIEW_MTOC_ENTRY; 657 658 // 659 // .pdata entries for X64 660 // 661 typedef struct { 662 UINT32 FunctionStartAddress; 663 UINT32 FunctionEndAddress; 664 UINT32 UnwindInfoAddress; 665 } RUNTIME_FUNCTION; 666 667 typedef struct { 668 UINT8 Version:3; 669 UINT8 Flags:5; 670 UINT8 SizeOfProlog; 671 UINT8 CountOfUnwindCodes; 672 UINT8 FrameRegister:4; 673 UINT8 FrameRegisterOffset:4; 674 } UNWIND_INFO; 675 676 /// 677 /// Resource format. 678 /// 679 typedef struct { 680 UINT32 Characteristics; 681 UINT32 TimeDateStamp; 682 UINT16 MajorVersion; 683 UINT16 MinorVersion; 684 UINT16 NumberOfNamedEntries; 685 UINT16 NumberOfIdEntries; 686 // 687 // Array of EFI_IMAGE_RESOURCE_DIRECTORY_ENTRY entries goes here. 688 // 689 } EFI_IMAGE_RESOURCE_DIRECTORY; 690 691 /// 692 /// Resource directory entry format. 693 /// 694 typedef struct { 695 union { 696 struct { 697 UINT32 NameOffset:31; 698 UINT32 NameIsString:1; 699 } s; 700 UINT32 Id; 701 } u1; 702 union { 703 UINT32 OffsetToData; 704 struct { 705 UINT32 OffsetToDirectory:31; 706 UINT32 DataIsDirectory:1; 707 } s; 708 } u2; 709 } EFI_IMAGE_RESOURCE_DIRECTORY_ENTRY; 710 711 /// 712 /// Resource directory entry for string. 713 /// 714 typedef struct { 715 UINT16 Length; 716 CHAR16 String[1]; 717 } EFI_IMAGE_RESOURCE_DIRECTORY_STRING; 718 719 /// 720 /// Resource directory entry for data array. 721 /// 722 typedef struct { 723 UINT32 OffsetToData; 724 UINT32 Size; 725 UINT32 CodePage; 726 UINT32 Reserved; 727 } EFI_IMAGE_RESOURCE_DATA_ENTRY; 728 729 /// 730 /// Header format for TE images 731 /// 732 typedef struct { 733 UINT16 Signature; // signature for TE format = "VZ" 734 UINT16 Machine; // from the original file header 735 UINT8 NumberOfSections; // from the original file header 736 UINT8 Subsystem; // from original optional header 737 UINT16 StrippedSize; // how many bytes we removed from the header 738 UINT32 AddressOfEntryPoint; // offset to entry point -- from original optional header 739 UINT32 BaseOfCode; // from original image -- required for ITP debug 740 UINT64 ImageBase; // from original file header 741 EFI_IMAGE_DATA_DIRECTORY DataDirectory[2]; // only base relocation and debug directory 742 } EFI_TE_IMAGE_HEADER; 743 744 #define EFI_TE_IMAGE_HEADER_SIGNATURE 0x5A56 // "VZ" 745 746 // 747 // Data directory indexes in our TE image header 748 // 749 #define EFI_TE_IMAGE_DIRECTORY_ENTRY_BASERELOC 0 750 #define EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG 1 751 752 753 // 754 // Union of PE32, PE32+, and TE headers 755 // 756 typedef union { 757 EFI_IMAGE_NT_HEADERS32 Pe32; 758 EFI_IMAGE_NT_HEADERS64 Pe32Plus; 759 EFI_TE_IMAGE_HEADER Te; 760 } EFI_IMAGE_OPTIONAL_HEADER_UNION; 761 762 typedef union { 763 EFI_IMAGE_NT_HEADERS32 *Pe32; 764 EFI_IMAGE_NT_HEADERS64 *Pe32Plus; 765 EFI_TE_IMAGE_HEADER *Te; 766 EFI_IMAGE_OPTIONAL_HEADER_UNION *Union; 767 } EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION; 768 769 #endif 770