1 //===-- llvm/BinaryFormat/MachO.h - The MachO file format -------*- C++/-*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file defines manifest constants for the MachO object file format. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_BINARYFORMAT_MACHO_H 15 #define LLVM_BINARYFORMAT_MACHO_H 16 17 #include "llvm/Support/Compiler.h" 18 #include "llvm/Support/DataTypes.h" 19 #include "llvm/Support/Host.h" 20 21 namespace llvm { 22 namespace MachO { 23 // Enums from <mach-o/loader.h> 24 enum : uint32_t { 25 // Constants for the "magic" field in llvm::MachO::mach_header and 26 // llvm::MachO::mach_header_64 27 MH_MAGIC = 0xFEEDFACEu, 28 MH_CIGAM = 0xCEFAEDFEu, 29 MH_MAGIC_64 = 0xFEEDFACFu, 30 MH_CIGAM_64 = 0xCFFAEDFEu, 31 FAT_MAGIC = 0xCAFEBABEu, 32 FAT_CIGAM = 0xBEBAFECAu, 33 FAT_MAGIC_64 = 0xCAFEBABFu, 34 FAT_CIGAM_64 = 0xBFBAFECAu 35 }; 36 37 enum HeaderFileType { 38 // Constants for the "filetype" field in llvm::MachO::mach_header and 39 // llvm::MachO::mach_header_64 40 MH_OBJECT = 0x1u, 41 MH_EXECUTE = 0x2u, 42 MH_FVMLIB = 0x3u, 43 MH_CORE = 0x4u, 44 MH_PRELOAD = 0x5u, 45 MH_DYLIB = 0x6u, 46 MH_DYLINKER = 0x7u, 47 MH_BUNDLE = 0x8u, 48 MH_DYLIB_STUB = 0x9u, 49 MH_DSYM = 0xAu, 50 MH_KEXT_BUNDLE = 0xBu 51 }; 52 53 enum { 54 // Constant bits for the "flags" field in llvm::MachO::mach_header and 55 // llvm::MachO::mach_header_64 56 MH_NOUNDEFS = 0x00000001u, 57 MH_INCRLINK = 0x00000002u, 58 MH_DYLDLINK = 0x00000004u, 59 MH_BINDATLOAD = 0x00000008u, 60 MH_PREBOUND = 0x00000010u, 61 MH_SPLIT_SEGS = 0x00000020u, 62 MH_LAZY_INIT = 0x00000040u, 63 MH_TWOLEVEL = 0x00000080u, 64 MH_FORCE_FLAT = 0x00000100u, 65 MH_NOMULTIDEFS = 0x00000200u, 66 MH_NOFIXPREBINDING = 0x00000400u, 67 MH_PREBINDABLE = 0x00000800u, 68 MH_ALLMODSBOUND = 0x00001000u, 69 MH_SUBSECTIONS_VIA_SYMBOLS = 0x00002000u, 70 MH_CANONICAL = 0x00004000u, 71 MH_WEAK_DEFINES = 0x00008000u, 72 MH_BINDS_TO_WEAK = 0x00010000u, 73 MH_ALLOW_STACK_EXECUTION = 0x00020000u, 74 MH_ROOT_SAFE = 0x00040000u, 75 MH_SETUID_SAFE = 0x00080000u, 76 MH_NO_REEXPORTED_DYLIBS = 0x00100000u, 77 MH_PIE = 0x00200000u, 78 MH_DEAD_STRIPPABLE_DYLIB = 0x00400000u, 79 MH_HAS_TLV_DESCRIPTORS = 0x00800000u, 80 MH_NO_HEAP_EXECUTION = 0x01000000u, 81 MH_APP_EXTENSION_SAFE = 0x02000000u, 82 MH_NLIST_OUTOFSYNC_WITH_DYLDINFO = 0x04000000u 83 }; 84 85 enum : uint32_t { 86 // Flags for the "cmd" field in llvm::MachO::load_command 87 LC_REQ_DYLD = 0x80000000u 88 }; 89 90 #define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct) LCName = LCValue, 91 92 enum LoadCommandType : uint32_t { 93 #include "llvm/BinaryFormat/MachO.def" 94 }; 95 96 #undef HANDLE_LOAD_COMMAND 97 98 enum : uint32_t { 99 // Constant bits for the "flags" field in llvm::MachO::segment_command 100 SG_HIGHVM = 0x1u, 101 SG_FVMLIB = 0x2u, 102 SG_NORELOC = 0x4u, 103 SG_PROTECTED_VERSION_1 = 0x8u, 104 105 // Constant masks for the "flags" field in llvm::MachO::section and 106 // llvm::MachO::section_64 107 SECTION_TYPE = 0x000000ffu, // SECTION_TYPE 108 SECTION_ATTRIBUTES = 0xffffff00u, // SECTION_ATTRIBUTES 109 SECTION_ATTRIBUTES_USR = 0xff000000u, // SECTION_ATTRIBUTES_USR 110 SECTION_ATTRIBUTES_SYS = 0x00ffff00u // SECTION_ATTRIBUTES_SYS 111 }; 112 113 /// These are the section type and attributes fields. A MachO section can 114 /// have only one Type, but can have any of the attributes specified. 115 enum SectionType : uint32_t { 116 // Constant masks for the "flags[7:0]" field in llvm::MachO::section and 117 // llvm::MachO::section_64 (mask "flags" with SECTION_TYPE) 118 119 /// S_REGULAR - Regular section. 120 S_REGULAR = 0x00u, 121 /// S_ZEROFILL - Zero fill on demand section. 122 S_ZEROFILL = 0x01u, 123 /// S_CSTRING_LITERALS - Section with literal C strings. 124 S_CSTRING_LITERALS = 0x02u, 125 /// S_4BYTE_LITERALS - Section with 4 byte literals. 126 S_4BYTE_LITERALS = 0x03u, 127 /// S_8BYTE_LITERALS - Section with 8 byte literals. 128 S_8BYTE_LITERALS = 0x04u, 129 /// S_LITERAL_POINTERS - Section with pointers to literals. 130 S_LITERAL_POINTERS = 0x05u, 131 /// S_NON_LAZY_SYMBOL_POINTERS - Section with non-lazy symbol pointers. 132 S_NON_LAZY_SYMBOL_POINTERS = 0x06u, 133 /// S_LAZY_SYMBOL_POINTERS - Section with lazy symbol pointers. 134 S_LAZY_SYMBOL_POINTERS = 0x07u, 135 /// S_SYMBOL_STUBS - Section with symbol stubs, byte size of stub in 136 /// the Reserved2 field. 137 S_SYMBOL_STUBS = 0x08u, 138 /// S_MOD_INIT_FUNC_POINTERS - Section with only function pointers for 139 /// initialization. 140 S_MOD_INIT_FUNC_POINTERS = 0x09u, 141 /// S_MOD_TERM_FUNC_POINTERS - Section with only function pointers for 142 /// termination. 143 S_MOD_TERM_FUNC_POINTERS = 0x0au, 144 /// S_COALESCED - Section contains symbols that are to be coalesced. 145 S_COALESCED = 0x0bu, 146 /// S_GB_ZEROFILL - Zero fill on demand section (that can be larger than 4 147 /// gigabytes). 148 S_GB_ZEROFILL = 0x0cu, 149 /// S_INTERPOSING - Section with only pairs of function pointers for 150 /// interposing. 151 S_INTERPOSING = 0x0du, 152 /// S_16BYTE_LITERALS - Section with only 16 byte literals. 153 S_16BYTE_LITERALS = 0x0eu, 154 /// S_DTRACE_DOF - Section contains DTrace Object Format. 155 S_DTRACE_DOF = 0x0fu, 156 /// S_LAZY_DYLIB_SYMBOL_POINTERS - Section with lazy symbol pointers to 157 /// lazy loaded dylibs. 158 S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10u, 159 /// S_THREAD_LOCAL_REGULAR - Thread local data section. 160 S_THREAD_LOCAL_REGULAR = 0x11u, 161 /// S_THREAD_LOCAL_ZEROFILL - Thread local zerofill section. 162 S_THREAD_LOCAL_ZEROFILL = 0x12u, 163 /// S_THREAD_LOCAL_VARIABLES - Section with thread local variable 164 /// structure data. 165 S_THREAD_LOCAL_VARIABLES = 0x13u, 166 /// S_THREAD_LOCAL_VARIABLE_POINTERS - Section with pointers to thread 167 /// local structures. 168 S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14u, 169 /// S_THREAD_LOCAL_INIT_FUNCTION_POINTERS - Section with thread local 170 /// variable initialization pointers to functions. 171 S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u, 172 173 LAST_KNOWN_SECTION_TYPE = S_THREAD_LOCAL_INIT_FUNCTION_POINTERS 174 }; 175 176 enum : uint32_t { 177 // Constant masks for the "flags[31:24]" field in llvm::MachO::section and 178 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_USR) 179 180 /// S_ATTR_PURE_INSTRUCTIONS - Section contains only true machine 181 /// instructions. 182 S_ATTR_PURE_INSTRUCTIONS = 0x80000000u, 183 /// S_ATTR_NO_TOC - Section contains coalesced symbols that are not to be 184 /// in a ranlib table of contents. 185 S_ATTR_NO_TOC = 0x40000000u, 186 /// S_ATTR_STRIP_STATIC_SYMS - Ok to strip static symbols in this section 187 /// in files with the MY_DYLDLINK flag. 188 S_ATTR_STRIP_STATIC_SYMS = 0x20000000u, 189 /// S_ATTR_NO_DEAD_STRIP - No dead stripping. 190 S_ATTR_NO_DEAD_STRIP = 0x10000000u, 191 /// S_ATTR_LIVE_SUPPORT - Blocks are live if they reference live blocks. 192 S_ATTR_LIVE_SUPPORT = 0x08000000u, 193 /// S_ATTR_SELF_MODIFYING_CODE - Used with i386 code stubs written on by 194 /// dyld. 195 S_ATTR_SELF_MODIFYING_CODE = 0x04000000u, 196 /// S_ATTR_DEBUG - A debug section. 197 S_ATTR_DEBUG = 0x02000000u, 198 199 // Constant masks for the "flags[23:8]" field in llvm::MachO::section and 200 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_SYS) 201 202 /// S_ATTR_SOME_INSTRUCTIONS - Section contains some machine instructions. 203 S_ATTR_SOME_INSTRUCTIONS = 0x00000400u, 204 /// S_ATTR_EXT_RELOC - Section has external relocation entries. 205 S_ATTR_EXT_RELOC = 0x00000200u, 206 /// S_ATTR_LOC_RELOC - Section has local relocation entries. 207 S_ATTR_LOC_RELOC = 0x00000100u, 208 209 // Constant masks for the value of an indirect symbol in an indirect 210 // symbol table 211 INDIRECT_SYMBOL_LOCAL = 0x80000000u, 212 INDIRECT_SYMBOL_ABS = 0x40000000u 213 }; 214 215 enum DataRegionType { 216 // Constants for the "kind" field in a data_in_code_entry structure 217 DICE_KIND_DATA = 1u, 218 DICE_KIND_JUMP_TABLE8 = 2u, 219 DICE_KIND_JUMP_TABLE16 = 3u, 220 DICE_KIND_JUMP_TABLE32 = 4u, 221 DICE_KIND_ABS_JUMP_TABLE32 = 5u 222 }; 223 224 enum RebaseType { 225 REBASE_TYPE_POINTER = 1u, 226 REBASE_TYPE_TEXT_ABSOLUTE32 = 2u, 227 REBASE_TYPE_TEXT_PCREL32 = 3u 228 }; 229 230 enum { REBASE_OPCODE_MASK = 0xF0u, REBASE_IMMEDIATE_MASK = 0x0Fu }; 231 232 enum RebaseOpcode { 233 REBASE_OPCODE_DONE = 0x00u, 234 REBASE_OPCODE_SET_TYPE_IMM = 0x10u, 235 REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x20u, 236 REBASE_OPCODE_ADD_ADDR_ULEB = 0x30u, 237 REBASE_OPCODE_ADD_ADDR_IMM_SCALED = 0x40u, 238 REBASE_OPCODE_DO_REBASE_IMM_TIMES = 0x50u, 239 REBASE_OPCODE_DO_REBASE_ULEB_TIMES = 0x60u, 240 REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB = 0x70u, 241 REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB = 0x80u 242 }; 243 244 enum BindType { 245 BIND_TYPE_POINTER = 1u, 246 BIND_TYPE_TEXT_ABSOLUTE32 = 2u, 247 BIND_TYPE_TEXT_PCREL32 = 3u 248 }; 249 250 enum BindSpecialDylib { 251 BIND_SPECIAL_DYLIB_SELF = 0, 252 BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1, 253 BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2 254 }; 255 256 enum { 257 BIND_SYMBOL_FLAGS_WEAK_IMPORT = 0x1u, 258 BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION = 0x8u, 259 260 BIND_OPCODE_MASK = 0xF0u, 261 BIND_IMMEDIATE_MASK = 0x0Fu 262 }; 263 264 enum BindOpcode { 265 BIND_OPCODE_DONE = 0x00u, 266 BIND_OPCODE_SET_DYLIB_ORDINAL_IMM = 0x10u, 267 BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB = 0x20u, 268 BIND_OPCODE_SET_DYLIB_SPECIAL_IMM = 0x30u, 269 BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM = 0x40u, 270 BIND_OPCODE_SET_TYPE_IMM = 0x50u, 271 BIND_OPCODE_SET_ADDEND_SLEB = 0x60u, 272 BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x70u, 273 BIND_OPCODE_ADD_ADDR_ULEB = 0x80u, 274 BIND_OPCODE_DO_BIND = 0x90u, 275 BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB = 0xA0u, 276 BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED = 0xB0u, 277 BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB = 0xC0u 278 }; 279 280 enum { 281 EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03u, 282 EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04u, 283 EXPORT_SYMBOL_FLAGS_REEXPORT = 0x08u, 284 EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10u 285 }; 286 287 enum ExportSymbolKind { 288 EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00u, 289 EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01u, 290 EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE = 0x02u 291 }; 292 293 enum { 294 // Constant masks for the "n_type" field in llvm::MachO::nlist and 295 // llvm::MachO::nlist_64 296 N_STAB = 0xe0, 297 N_PEXT = 0x10, 298 N_TYPE = 0x0e, 299 N_EXT = 0x01 300 }; 301 302 enum NListType : uint8_t { 303 // Constants for the "n_type & N_TYPE" llvm::MachO::nlist and 304 // llvm::MachO::nlist_64 305 N_UNDF = 0x0u, 306 N_ABS = 0x2u, 307 N_SECT = 0xeu, 308 N_PBUD = 0xcu, 309 N_INDR = 0xau 310 }; 311 312 enum SectionOrdinal { 313 // Constants for the "n_sect" field in llvm::MachO::nlist and 314 // llvm::MachO::nlist_64 315 NO_SECT = 0u, 316 MAX_SECT = 0xffu 317 }; 318 319 enum { 320 // Constant masks for the "n_desc" field in llvm::MachO::nlist and 321 // llvm::MachO::nlist_64 322 // The low 3 bits are the for the REFERENCE_TYPE. 323 REFERENCE_TYPE = 0x7, 324 REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0, 325 REFERENCE_FLAG_UNDEFINED_LAZY = 1, 326 REFERENCE_FLAG_DEFINED = 2, 327 REFERENCE_FLAG_PRIVATE_DEFINED = 3, 328 REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4, 329 REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5, 330 // Flag bits (some overlap with the library ordinal bits). 331 N_ARM_THUMB_DEF = 0x0008u, 332 REFERENCED_DYNAMICALLY = 0x0010u, 333 N_NO_DEAD_STRIP = 0x0020u, 334 N_WEAK_REF = 0x0040u, 335 N_WEAK_DEF = 0x0080u, 336 N_SYMBOL_RESOLVER = 0x0100u, 337 N_ALT_ENTRY = 0x0200u, 338 // For undefined symbols coming from libraries, see GET_LIBRARY_ORDINAL() 339 // as these are in the top 8 bits. 340 SELF_LIBRARY_ORDINAL = 0x0, 341 MAX_LIBRARY_ORDINAL = 0xfd, 342 DYNAMIC_LOOKUP_ORDINAL = 0xfe, 343 EXECUTABLE_ORDINAL = 0xff 344 }; 345 346 enum StabType { 347 // Constant values for the "n_type" field in llvm::MachO::nlist and 348 // llvm::MachO::nlist_64 when "(n_type & N_STAB) != 0" 349 N_GSYM = 0x20u, 350 N_FNAME = 0x22u, 351 N_FUN = 0x24u, 352 N_STSYM = 0x26u, 353 N_LCSYM = 0x28u, 354 N_BNSYM = 0x2Eu, 355 N_PC = 0x30u, 356 N_AST = 0x32u, 357 N_OPT = 0x3Cu, 358 N_RSYM = 0x40u, 359 N_SLINE = 0x44u, 360 N_ENSYM = 0x4Eu, 361 N_SSYM = 0x60u, 362 N_SO = 0x64u, 363 N_OSO = 0x66u, 364 N_LSYM = 0x80u, 365 N_BINCL = 0x82u, 366 N_SOL = 0x84u, 367 N_PARAMS = 0x86u, 368 N_VERSION = 0x88u, 369 N_OLEVEL = 0x8Au, 370 N_PSYM = 0xA0u, 371 N_EINCL = 0xA2u, 372 N_ENTRY = 0xA4u, 373 N_LBRAC = 0xC0u, 374 N_EXCL = 0xC2u, 375 N_RBRAC = 0xE0u, 376 N_BCOMM = 0xE2u, 377 N_ECOMM = 0xE4u, 378 N_ECOML = 0xE8u, 379 N_LENG = 0xFEu 380 }; 381 382 enum : uint32_t { 383 // Constant values for the r_symbolnum field in an 384 // llvm::MachO::relocation_info structure when r_extern is 0. 385 R_ABS = 0, 386 387 // Constant bits for the r_address field in an 388 // llvm::MachO::relocation_info structure. 389 R_SCATTERED = 0x80000000 390 }; 391 392 enum RelocationInfoType { 393 // Constant values for the r_type field in an 394 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 395 // structure. 396 GENERIC_RELOC_VANILLA = 0, 397 GENERIC_RELOC_PAIR = 1, 398 GENERIC_RELOC_SECTDIFF = 2, 399 GENERIC_RELOC_PB_LA_PTR = 3, 400 GENERIC_RELOC_LOCAL_SECTDIFF = 4, 401 GENERIC_RELOC_TLV = 5, 402 403 // Constant values for the r_type field in a PowerPC architecture 404 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 405 // structure. 406 PPC_RELOC_VANILLA = GENERIC_RELOC_VANILLA, 407 PPC_RELOC_PAIR = GENERIC_RELOC_PAIR, 408 PPC_RELOC_BR14 = 2, 409 PPC_RELOC_BR24 = 3, 410 PPC_RELOC_HI16 = 4, 411 PPC_RELOC_LO16 = 5, 412 PPC_RELOC_HA16 = 6, 413 PPC_RELOC_LO14 = 7, 414 PPC_RELOC_SECTDIFF = 8, 415 PPC_RELOC_PB_LA_PTR = 9, 416 PPC_RELOC_HI16_SECTDIFF = 10, 417 PPC_RELOC_LO16_SECTDIFF = 11, 418 PPC_RELOC_HA16_SECTDIFF = 12, 419 PPC_RELOC_JBSR = 13, 420 PPC_RELOC_LO14_SECTDIFF = 14, 421 PPC_RELOC_LOCAL_SECTDIFF = 15, 422 423 // Constant values for the r_type field in an ARM architecture 424 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 425 // structure. 426 ARM_RELOC_VANILLA = GENERIC_RELOC_VANILLA, 427 ARM_RELOC_PAIR = GENERIC_RELOC_PAIR, 428 ARM_RELOC_SECTDIFF = GENERIC_RELOC_SECTDIFF, 429 ARM_RELOC_LOCAL_SECTDIFF = 3, 430 ARM_RELOC_PB_LA_PTR = 4, 431 ARM_RELOC_BR24 = 5, 432 ARM_THUMB_RELOC_BR22 = 6, 433 ARM_THUMB_32BIT_BRANCH = 7, // obsolete 434 ARM_RELOC_HALF = 8, 435 ARM_RELOC_HALF_SECTDIFF = 9, 436 437 // Constant values for the r_type field in an ARM64 architecture 438 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 439 // structure. 440 441 // For pointers. 442 ARM64_RELOC_UNSIGNED = 0, 443 // Must be followed by an ARM64_RELOC_UNSIGNED 444 ARM64_RELOC_SUBTRACTOR = 1, 445 // A B/BL instruction with 26-bit displacement. 446 ARM64_RELOC_BRANCH26 = 2, 447 // PC-rel distance to page of target. 448 ARM64_RELOC_PAGE21 = 3, 449 // Offset within page, scaled by r_length. 450 ARM64_RELOC_PAGEOFF12 = 4, 451 // PC-rel distance to page of GOT slot. 452 ARM64_RELOC_GOT_LOAD_PAGE21 = 5, 453 // Offset within page of GOT slot, scaled by r_length. 454 ARM64_RELOC_GOT_LOAD_PAGEOFF12 = 6, 455 // For pointers to GOT slots. 456 ARM64_RELOC_POINTER_TO_GOT = 7, 457 // PC-rel distance to page of TLVP slot. 458 ARM64_RELOC_TLVP_LOAD_PAGE21 = 8, 459 // Offset within page of TLVP slot, scaled by r_length. 460 ARM64_RELOC_TLVP_LOAD_PAGEOFF12 = 9, 461 // Must be followed by ARM64_RELOC_PAGE21 or ARM64_RELOC_PAGEOFF12. 462 ARM64_RELOC_ADDEND = 10, 463 464 // Constant values for the r_type field in an x86_64 architecture 465 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 466 // structure 467 X86_64_RELOC_UNSIGNED = 0, 468 X86_64_RELOC_SIGNED = 1, 469 X86_64_RELOC_BRANCH = 2, 470 X86_64_RELOC_GOT_LOAD = 3, 471 X86_64_RELOC_GOT = 4, 472 X86_64_RELOC_SUBTRACTOR = 5, 473 X86_64_RELOC_SIGNED_1 = 6, 474 X86_64_RELOC_SIGNED_2 = 7, 475 X86_64_RELOC_SIGNED_4 = 8, 476 X86_64_RELOC_TLV = 9 477 }; 478 479 // Values for segment_command.initprot. 480 // From <mach/vm_prot.h> 481 enum { VM_PROT_READ = 0x1, VM_PROT_WRITE = 0x2, VM_PROT_EXECUTE = 0x4 }; 482 483 // Values for platform field in build_version_command. 484 enum PlatformType { 485 PLATFORM_MACOS = 1, 486 PLATFORM_IOS = 2, 487 PLATFORM_TVOS = 3, 488 PLATFORM_WATCHOS = 4, 489 PLATFORM_BRIDGEOS = 5 490 }; 491 492 // Values for tools enum in build_tool_version. 493 enum { TOOL_CLANG = 1, TOOL_SWIFT = 2, TOOL_LD = 3 }; 494 495 // Structs from <mach-o/loader.h> 496 497 struct mach_header { 498 uint32_t magic; 499 uint32_t cputype; 500 uint32_t cpusubtype; 501 uint32_t filetype; 502 uint32_t ncmds; 503 uint32_t sizeofcmds; 504 uint32_t flags; 505 }; 506 507 struct mach_header_64 { 508 uint32_t magic; 509 uint32_t cputype; 510 uint32_t cpusubtype; 511 uint32_t filetype; 512 uint32_t ncmds; 513 uint32_t sizeofcmds; 514 uint32_t flags; 515 uint32_t reserved; 516 }; 517 518 struct load_command { 519 uint32_t cmd; 520 uint32_t cmdsize; 521 }; 522 523 struct segment_command { 524 uint32_t cmd; 525 uint32_t cmdsize; 526 char segname[16]; 527 uint32_t vmaddr; 528 uint32_t vmsize; 529 uint32_t fileoff; 530 uint32_t filesize; 531 uint32_t maxprot; 532 uint32_t initprot; 533 uint32_t nsects; 534 uint32_t flags; 535 }; 536 537 struct segment_command_64 { 538 uint32_t cmd; 539 uint32_t cmdsize; 540 char segname[16]; 541 uint64_t vmaddr; 542 uint64_t vmsize; 543 uint64_t fileoff; 544 uint64_t filesize; 545 uint32_t maxprot; 546 uint32_t initprot; 547 uint32_t nsects; 548 uint32_t flags; 549 }; 550 551 struct section { 552 char sectname[16]; 553 char segname[16]; 554 uint32_t addr; 555 uint32_t size; 556 uint32_t offset; 557 uint32_t align; 558 uint32_t reloff; 559 uint32_t nreloc; 560 uint32_t flags; 561 uint32_t reserved1; 562 uint32_t reserved2; 563 }; 564 565 struct section_64 { 566 char sectname[16]; 567 char segname[16]; 568 uint64_t addr; 569 uint64_t size; 570 uint32_t offset; 571 uint32_t align; 572 uint32_t reloff; 573 uint32_t nreloc; 574 uint32_t flags; 575 uint32_t reserved1; 576 uint32_t reserved2; 577 uint32_t reserved3; 578 }; 579 580 struct fvmlib { 581 uint32_t name; 582 uint32_t minor_version; 583 uint32_t header_addr; 584 }; 585 586 // The fvmlib_command is obsolete and no longer supported. 587 struct fvmlib_command { 588 uint32_t cmd; 589 uint32_t cmdsize; 590 struct fvmlib fvmlib; 591 }; 592 593 struct dylib { 594 uint32_t name; 595 uint32_t timestamp; 596 uint32_t current_version; 597 uint32_t compatibility_version; 598 }; 599 600 struct dylib_command { 601 uint32_t cmd; 602 uint32_t cmdsize; 603 struct dylib dylib; 604 }; 605 606 struct sub_framework_command { 607 uint32_t cmd; 608 uint32_t cmdsize; 609 uint32_t umbrella; 610 }; 611 612 struct sub_client_command { 613 uint32_t cmd; 614 uint32_t cmdsize; 615 uint32_t client; 616 }; 617 618 struct sub_umbrella_command { 619 uint32_t cmd; 620 uint32_t cmdsize; 621 uint32_t sub_umbrella; 622 }; 623 624 struct sub_library_command { 625 uint32_t cmd; 626 uint32_t cmdsize; 627 uint32_t sub_library; 628 }; 629 630 // The prebound_dylib_command is obsolete and no longer supported. 631 struct prebound_dylib_command { 632 uint32_t cmd; 633 uint32_t cmdsize; 634 uint32_t name; 635 uint32_t nmodules; 636 uint32_t linked_modules; 637 }; 638 639 struct dylinker_command { 640 uint32_t cmd; 641 uint32_t cmdsize; 642 uint32_t name; 643 }; 644 645 struct thread_command { 646 uint32_t cmd; 647 uint32_t cmdsize; 648 }; 649 650 struct routines_command { 651 uint32_t cmd; 652 uint32_t cmdsize; 653 uint32_t init_address; 654 uint32_t init_module; 655 uint32_t reserved1; 656 uint32_t reserved2; 657 uint32_t reserved3; 658 uint32_t reserved4; 659 uint32_t reserved5; 660 uint32_t reserved6; 661 }; 662 663 struct routines_command_64 { 664 uint32_t cmd; 665 uint32_t cmdsize; 666 uint64_t init_address; 667 uint64_t init_module; 668 uint64_t reserved1; 669 uint64_t reserved2; 670 uint64_t reserved3; 671 uint64_t reserved4; 672 uint64_t reserved5; 673 uint64_t reserved6; 674 }; 675 676 struct symtab_command { 677 uint32_t cmd; 678 uint32_t cmdsize; 679 uint32_t symoff; 680 uint32_t nsyms; 681 uint32_t stroff; 682 uint32_t strsize; 683 }; 684 685 struct dysymtab_command { 686 uint32_t cmd; 687 uint32_t cmdsize; 688 uint32_t ilocalsym; 689 uint32_t nlocalsym; 690 uint32_t iextdefsym; 691 uint32_t nextdefsym; 692 uint32_t iundefsym; 693 uint32_t nundefsym; 694 uint32_t tocoff; 695 uint32_t ntoc; 696 uint32_t modtaboff; 697 uint32_t nmodtab; 698 uint32_t extrefsymoff; 699 uint32_t nextrefsyms; 700 uint32_t indirectsymoff; 701 uint32_t nindirectsyms; 702 uint32_t extreloff; 703 uint32_t nextrel; 704 uint32_t locreloff; 705 uint32_t nlocrel; 706 }; 707 708 struct dylib_table_of_contents { 709 uint32_t symbol_index; 710 uint32_t module_index; 711 }; 712 713 struct dylib_module { 714 uint32_t module_name; 715 uint32_t iextdefsym; 716 uint32_t nextdefsym; 717 uint32_t irefsym; 718 uint32_t nrefsym; 719 uint32_t ilocalsym; 720 uint32_t nlocalsym; 721 uint32_t iextrel; 722 uint32_t nextrel; 723 uint32_t iinit_iterm; 724 uint32_t ninit_nterm; 725 uint32_t objc_module_info_addr; 726 uint32_t objc_module_info_size; 727 }; 728 729 struct dylib_module_64 { 730 uint32_t module_name; 731 uint32_t iextdefsym; 732 uint32_t nextdefsym; 733 uint32_t irefsym; 734 uint32_t nrefsym; 735 uint32_t ilocalsym; 736 uint32_t nlocalsym; 737 uint32_t iextrel; 738 uint32_t nextrel; 739 uint32_t iinit_iterm; 740 uint32_t ninit_nterm; 741 uint32_t objc_module_info_size; 742 uint64_t objc_module_info_addr; 743 }; 744 745 struct dylib_reference { 746 uint32_t isym : 24, flags : 8; 747 }; 748 749 // The twolevel_hints_command is obsolete and no longer supported. 750 struct twolevel_hints_command { 751 uint32_t cmd; 752 uint32_t cmdsize; 753 uint32_t offset; 754 uint32_t nhints; 755 }; 756 757 // The twolevel_hints_command is obsolete and no longer supported. 758 struct twolevel_hint { 759 uint32_t isub_image : 8, itoc : 24; 760 }; 761 762 // The prebind_cksum_command is obsolete and no longer supported. 763 struct prebind_cksum_command { 764 uint32_t cmd; 765 uint32_t cmdsize; 766 uint32_t cksum; 767 }; 768 769 struct uuid_command { 770 uint32_t cmd; 771 uint32_t cmdsize; 772 uint8_t uuid[16]; 773 }; 774 775 struct rpath_command { 776 uint32_t cmd; 777 uint32_t cmdsize; 778 uint32_t path; 779 }; 780 781 struct linkedit_data_command { 782 uint32_t cmd; 783 uint32_t cmdsize; 784 uint32_t dataoff; 785 uint32_t datasize; 786 }; 787 788 struct data_in_code_entry { 789 uint32_t offset; 790 uint16_t length; 791 uint16_t kind; 792 }; 793 794 struct source_version_command { 795 uint32_t cmd; 796 uint32_t cmdsize; 797 uint64_t version; 798 }; 799 800 struct encryption_info_command { 801 uint32_t cmd; 802 uint32_t cmdsize; 803 uint32_t cryptoff; 804 uint32_t cryptsize; 805 uint32_t cryptid; 806 }; 807 808 struct encryption_info_command_64 { 809 uint32_t cmd; 810 uint32_t cmdsize; 811 uint32_t cryptoff; 812 uint32_t cryptsize; 813 uint32_t cryptid; 814 uint32_t pad; 815 }; 816 817 struct version_min_command { 818 uint32_t cmd; // LC_VERSION_MIN_MACOSX or 819 // LC_VERSION_MIN_IPHONEOS 820 uint32_t cmdsize; // sizeof(struct version_min_command) 821 uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz 822 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz 823 }; 824 825 struct note_command { 826 uint32_t cmd; // LC_NOTE 827 uint32_t cmdsize; // sizeof(struct note_command) 828 char data_owner[16]; // owner name for this LC_NOTE 829 uint64_t offset; // file offset of this data 830 uint64_t size; // length of data region 831 }; 832 833 struct build_tool_version { 834 uint32_t tool; // enum for the tool 835 uint32_t version; // version of the tool 836 }; 837 838 struct build_version_command { 839 uint32_t cmd; // LC_BUILD_VERSION 840 uint32_t cmdsize; // sizeof(struct build_version_command) + 841 // ntools * sizeof(struct build_tool_version) 842 uint32_t platform; // platform 843 uint32_t minos; // X.Y.Z is encoded in nibbles xxxx.yy.zz 844 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz 845 uint32_t ntools; // number of tool entries following this 846 }; 847 848 struct dyld_info_command { 849 uint32_t cmd; 850 uint32_t cmdsize; 851 uint32_t rebase_off; 852 uint32_t rebase_size; 853 uint32_t bind_off; 854 uint32_t bind_size; 855 uint32_t weak_bind_off; 856 uint32_t weak_bind_size; 857 uint32_t lazy_bind_off; 858 uint32_t lazy_bind_size; 859 uint32_t export_off; 860 uint32_t export_size; 861 }; 862 863 struct linker_option_command { 864 uint32_t cmd; 865 uint32_t cmdsize; 866 uint32_t count; 867 }; 868 869 // The symseg_command is obsolete and no longer supported. 870 struct symseg_command { 871 uint32_t cmd; 872 uint32_t cmdsize; 873 uint32_t offset; 874 uint32_t size; 875 }; 876 877 // The ident_command is obsolete and no longer supported. 878 struct ident_command { 879 uint32_t cmd; 880 uint32_t cmdsize; 881 }; 882 883 // The fvmfile_command is obsolete and no longer supported. 884 struct fvmfile_command { 885 uint32_t cmd; 886 uint32_t cmdsize; 887 uint32_t name; 888 uint32_t header_addr; 889 }; 890 891 struct tlv_descriptor_32 { 892 uint32_t thunk; 893 uint32_t key; 894 uint32_t offset; 895 }; 896 897 struct tlv_descriptor_64 { 898 uint64_t thunk; 899 uint64_t key; 900 uint64_t offset; 901 }; 902 903 struct tlv_descriptor { 904 uintptr_t thunk; 905 uintptr_t key; 906 uintptr_t offset; 907 }; 908 909 struct entry_point_command { 910 uint32_t cmd; 911 uint32_t cmdsize; 912 uint64_t entryoff; 913 uint64_t stacksize; 914 }; 915 916 // Structs from <mach-o/fat.h> 917 struct fat_header { 918 uint32_t magic; 919 uint32_t nfat_arch; 920 }; 921 922 struct fat_arch { 923 uint32_t cputype; 924 uint32_t cpusubtype; 925 uint32_t offset; 926 uint32_t size; 927 uint32_t align; 928 }; 929 930 struct fat_arch_64 { 931 uint32_t cputype; 932 uint32_t cpusubtype; 933 uint64_t offset; 934 uint64_t size; 935 uint32_t align; 936 uint32_t reserved; 937 }; 938 939 // Structs from <mach-o/reloc.h> 940 struct relocation_info { 941 int32_t r_address; 942 uint32_t r_symbolnum : 24, r_pcrel : 1, r_length : 2, r_extern : 1, 943 r_type : 4; 944 }; 945 946 struct scattered_relocation_info { 947 #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && (BYTE_ORDER == BIG_ENDIAN) 948 uint32_t r_scattered : 1, r_pcrel : 1, r_length : 2, r_type : 4, 949 r_address : 24; 950 #else 951 uint32_t r_address : 24, r_type : 4, r_length : 2, r_pcrel : 1, 952 r_scattered : 1; 953 #endif 954 int32_t r_value; 955 }; 956 957 // Structs NOT from <mach-o/reloc.h>, but that make LLVM's life easier 958 struct any_relocation_info { 959 uint32_t r_word0, r_word1; 960 }; 961 962 // Structs from <mach-o/nlist.h> 963 struct nlist_base { 964 uint32_t n_strx; 965 uint8_t n_type; 966 uint8_t n_sect; 967 uint16_t n_desc; 968 }; 969 970 struct nlist { 971 uint32_t n_strx; 972 uint8_t n_type; 973 uint8_t n_sect; 974 int16_t n_desc; 975 uint32_t n_value; 976 }; 977 978 struct nlist_64 { 979 uint32_t n_strx; 980 uint8_t n_type; 981 uint8_t n_sect; 982 uint16_t n_desc; 983 uint64_t n_value; 984 }; 985 986 // Byte order swapping functions for MachO structs 987 988 inline void swapStruct(fat_header &mh) { 989 sys::swapByteOrder(mh.magic); 990 sys::swapByteOrder(mh.nfat_arch); 991 } 992 993 inline void swapStruct(fat_arch &mh) { 994 sys::swapByteOrder(mh.cputype); 995 sys::swapByteOrder(mh.cpusubtype); 996 sys::swapByteOrder(mh.offset); 997 sys::swapByteOrder(mh.size); 998 sys::swapByteOrder(mh.align); 999 } 1000 1001 inline void swapStruct(fat_arch_64 &mh) { 1002 sys::swapByteOrder(mh.cputype); 1003 sys::swapByteOrder(mh.cpusubtype); 1004 sys::swapByteOrder(mh.offset); 1005 sys::swapByteOrder(mh.size); 1006 sys::swapByteOrder(mh.align); 1007 sys::swapByteOrder(mh.reserved); 1008 } 1009 1010 inline void swapStruct(mach_header &mh) { 1011 sys::swapByteOrder(mh.magic); 1012 sys::swapByteOrder(mh.cputype); 1013 sys::swapByteOrder(mh.cpusubtype); 1014 sys::swapByteOrder(mh.filetype); 1015 sys::swapByteOrder(mh.ncmds); 1016 sys::swapByteOrder(mh.sizeofcmds); 1017 sys::swapByteOrder(mh.flags); 1018 } 1019 1020 inline void swapStruct(mach_header_64 &H) { 1021 sys::swapByteOrder(H.magic); 1022 sys::swapByteOrder(H.cputype); 1023 sys::swapByteOrder(H.cpusubtype); 1024 sys::swapByteOrder(H.filetype); 1025 sys::swapByteOrder(H.ncmds); 1026 sys::swapByteOrder(H.sizeofcmds); 1027 sys::swapByteOrder(H.flags); 1028 sys::swapByteOrder(H.reserved); 1029 } 1030 1031 inline void swapStruct(load_command &lc) { 1032 sys::swapByteOrder(lc.cmd); 1033 sys::swapByteOrder(lc.cmdsize); 1034 } 1035 1036 inline void swapStruct(symtab_command &lc) { 1037 sys::swapByteOrder(lc.cmd); 1038 sys::swapByteOrder(lc.cmdsize); 1039 sys::swapByteOrder(lc.symoff); 1040 sys::swapByteOrder(lc.nsyms); 1041 sys::swapByteOrder(lc.stroff); 1042 sys::swapByteOrder(lc.strsize); 1043 } 1044 1045 inline void swapStruct(segment_command_64 &seg) { 1046 sys::swapByteOrder(seg.cmd); 1047 sys::swapByteOrder(seg.cmdsize); 1048 sys::swapByteOrder(seg.vmaddr); 1049 sys::swapByteOrder(seg.vmsize); 1050 sys::swapByteOrder(seg.fileoff); 1051 sys::swapByteOrder(seg.filesize); 1052 sys::swapByteOrder(seg.maxprot); 1053 sys::swapByteOrder(seg.initprot); 1054 sys::swapByteOrder(seg.nsects); 1055 sys::swapByteOrder(seg.flags); 1056 } 1057 1058 inline void swapStruct(segment_command &seg) { 1059 sys::swapByteOrder(seg.cmd); 1060 sys::swapByteOrder(seg.cmdsize); 1061 sys::swapByteOrder(seg.vmaddr); 1062 sys::swapByteOrder(seg.vmsize); 1063 sys::swapByteOrder(seg.fileoff); 1064 sys::swapByteOrder(seg.filesize); 1065 sys::swapByteOrder(seg.maxprot); 1066 sys::swapByteOrder(seg.initprot); 1067 sys::swapByteOrder(seg.nsects); 1068 sys::swapByteOrder(seg.flags); 1069 } 1070 1071 inline void swapStruct(section_64 §) { 1072 sys::swapByteOrder(sect.addr); 1073 sys::swapByteOrder(sect.size); 1074 sys::swapByteOrder(sect.offset); 1075 sys::swapByteOrder(sect.align); 1076 sys::swapByteOrder(sect.reloff); 1077 sys::swapByteOrder(sect.nreloc); 1078 sys::swapByteOrder(sect.flags); 1079 sys::swapByteOrder(sect.reserved1); 1080 sys::swapByteOrder(sect.reserved2); 1081 } 1082 1083 inline void swapStruct(section §) { 1084 sys::swapByteOrder(sect.addr); 1085 sys::swapByteOrder(sect.size); 1086 sys::swapByteOrder(sect.offset); 1087 sys::swapByteOrder(sect.align); 1088 sys::swapByteOrder(sect.reloff); 1089 sys::swapByteOrder(sect.nreloc); 1090 sys::swapByteOrder(sect.flags); 1091 sys::swapByteOrder(sect.reserved1); 1092 sys::swapByteOrder(sect.reserved2); 1093 } 1094 1095 inline void swapStruct(dyld_info_command &info) { 1096 sys::swapByteOrder(info.cmd); 1097 sys::swapByteOrder(info.cmdsize); 1098 sys::swapByteOrder(info.rebase_off); 1099 sys::swapByteOrder(info.rebase_size); 1100 sys::swapByteOrder(info.bind_off); 1101 sys::swapByteOrder(info.bind_size); 1102 sys::swapByteOrder(info.weak_bind_off); 1103 sys::swapByteOrder(info.weak_bind_size); 1104 sys::swapByteOrder(info.lazy_bind_off); 1105 sys::swapByteOrder(info.lazy_bind_size); 1106 sys::swapByteOrder(info.export_off); 1107 sys::swapByteOrder(info.export_size); 1108 } 1109 1110 inline void swapStruct(dylib_command &d) { 1111 sys::swapByteOrder(d.cmd); 1112 sys::swapByteOrder(d.cmdsize); 1113 sys::swapByteOrder(d.dylib.name); 1114 sys::swapByteOrder(d.dylib.timestamp); 1115 sys::swapByteOrder(d.dylib.current_version); 1116 sys::swapByteOrder(d.dylib.compatibility_version); 1117 } 1118 1119 inline void swapStruct(sub_framework_command &s) { 1120 sys::swapByteOrder(s.cmd); 1121 sys::swapByteOrder(s.cmdsize); 1122 sys::swapByteOrder(s.umbrella); 1123 } 1124 1125 inline void swapStruct(sub_umbrella_command &s) { 1126 sys::swapByteOrder(s.cmd); 1127 sys::swapByteOrder(s.cmdsize); 1128 sys::swapByteOrder(s.sub_umbrella); 1129 } 1130 1131 inline void swapStruct(sub_library_command &s) { 1132 sys::swapByteOrder(s.cmd); 1133 sys::swapByteOrder(s.cmdsize); 1134 sys::swapByteOrder(s.sub_library); 1135 } 1136 1137 inline void swapStruct(sub_client_command &s) { 1138 sys::swapByteOrder(s.cmd); 1139 sys::swapByteOrder(s.cmdsize); 1140 sys::swapByteOrder(s.client); 1141 } 1142 1143 inline void swapStruct(routines_command &r) { 1144 sys::swapByteOrder(r.cmd); 1145 sys::swapByteOrder(r.cmdsize); 1146 sys::swapByteOrder(r.init_address); 1147 sys::swapByteOrder(r.init_module); 1148 sys::swapByteOrder(r.reserved1); 1149 sys::swapByteOrder(r.reserved2); 1150 sys::swapByteOrder(r.reserved3); 1151 sys::swapByteOrder(r.reserved4); 1152 sys::swapByteOrder(r.reserved5); 1153 sys::swapByteOrder(r.reserved6); 1154 } 1155 1156 inline void swapStruct(routines_command_64 &r) { 1157 sys::swapByteOrder(r.cmd); 1158 sys::swapByteOrder(r.cmdsize); 1159 sys::swapByteOrder(r.init_address); 1160 sys::swapByteOrder(r.init_module); 1161 sys::swapByteOrder(r.reserved1); 1162 sys::swapByteOrder(r.reserved2); 1163 sys::swapByteOrder(r.reserved3); 1164 sys::swapByteOrder(r.reserved4); 1165 sys::swapByteOrder(r.reserved5); 1166 sys::swapByteOrder(r.reserved6); 1167 } 1168 1169 inline void swapStruct(thread_command &t) { 1170 sys::swapByteOrder(t.cmd); 1171 sys::swapByteOrder(t.cmdsize); 1172 } 1173 1174 inline void swapStruct(dylinker_command &d) { 1175 sys::swapByteOrder(d.cmd); 1176 sys::swapByteOrder(d.cmdsize); 1177 sys::swapByteOrder(d.name); 1178 } 1179 1180 inline void swapStruct(uuid_command &u) { 1181 sys::swapByteOrder(u.cmd); 1182 sys::swapByteOrder(u.cmdsize); 1183 } 1184 1185 inline void swapStruct(rpath_command &r) { 1186 sys::swapByteOrder(r.cmd); 1187 sys::swapByteOrder(r.cmdsize); 1188 sys::swapByteOrder(r.path); 1189 } 1190 1191 inline void swapStruct(source_version_command &s) { 1192 sys::swapByteOrder(s.cmd); 1193 sys::swapByteOrder(s.cmdsize); 1194 sys::swapByteOrder(s.version); 1195 } 1196 1197 inline void swapStruct(entry_point_command &e) { 1198 sys::swapByteOrder(e.cmd); 1199 sys::swapByteOrder(e.cmdsize); 1200 sys::swapByteOrder(e.entryoff); 1201 sys::swapByteOrder(e.stacksize); 1202 } 1203 1204 inline void swapStruct(encryption_info_command &e) { 1205 sys::swapByteOrder(e.cmd); 1206 sys::swapByteOrder(e.cmdsize); 1207 sys::swapByteOrder(e.cryptoff); 1208 sys::swapByteOrder(e.cryptsize); 1209 sys::swapByteOrder(e.cryptid); 1210 } 1211 1212 inline void swapStruct(encryption_info_command_64 &e) { 1213 sys::swapByteOrder(e.cmd); 1214 sys::swapByteOrder(e.cmdsize); 1215 sys::swapByteOrder(e.cryptoff); 1216 sys::swapByteOrder(e.cryptsize); 1217 sys::swapByteOrder(e.cryptid); 1218 sys::swapByteOrder(e.pad); 1219 } 1220 1221 inline void swapStruct(dysymtab_command &dst) { 1222 sys::swapByteOrder(dst.cmd); 1223 sys::swapByteOrder(dst.cmdsize); 1224 sys::swapByteOrder(dst.ilocalsym); 1225 sys::swapByteOrder(dst.nlocalsym); 1226 sys::swapByteOrder(dst.iextdefsym); 1227 sys::swapByteOrder(dst.nextdefsym); 1228 sys::swapByteOrder(dst.iundefsym); 1229 sys::swapByteOrder(dst.nundefsym); 1230 sys::swapByteOrder(dst.tocoff); 1231 sys::swapByteOrder(dst.ntoc); 1232 sys::swapByteOrder(dst.modtaboff); 1233 sys::swapByteOrder(dst.nmodtab); 1234 sys::swapByteOrder(dst.extrefsymoff); 1235 sys::swapByteOrder(dst.nextrefsyms); 1236 sys::swapByteOrder(dst.indirectsymoff); 1237 sys::swapByteOrder(dst.nindirectsyms); 1238 sys::swapByteOrder(dst.extreloff); 1239 sys::swapByteOrder(dst.nextrel); 1240 sys::swapByteOrder(dst.locreloff); 1241 sys::swapByteOrder(dst.nlocrel); 1242 } 1243 1244 inline void swapStruct(any_relocation_info &reloc) { 1245 sys::swapByteOrder(reloc.r_word0); 1246 sys::swapByteOrder(reloc.r_word1); 1247 } 1248 1249 inline void swapStruct(nlist_base &S) { 1250 sys::swapByteOrder(S.n_strx); 1251 sys::swapByteOrder(S.n_desc); 1252 } 1253 1254 inline void swapStruct(nlist &sym) { 1255 sys::swapByteOrder(sym.n_strx); 1256 sys::swapByteOrder(sym.n_desc); 1257 sys::swapByteOrder(sym.n_value); 1258 } 1259 1260 inline void swapStruct(nlist_64 &sym) { 1261 sys::swapByteOrder(sym.n_strx); 1262 sys::swapByteOrder(sym.n_desc); 1263 sys::swapByteOrder(sym.n_value); 1264 } 1265 1266 inline void swapStruct(linkedit_data_command &C) { 1267 sys::swapByteOrder(C.cmd); 1268 sys::swapByteOrder(C.cmdsize); 1269 sys::swapByteOrder(C.dataoff); 1270 sys::swapByteOrder(C.datasize); 1271 } 1272 1273 inline void swapStruct(linker_option_command &C) { 1274 sys::swapByteOrder(C.cmd); 1275 sys::swapByteOrder(C.cmdsize); 1276 sys::swapByteOrder(C.count); 1277 } 1278 1279 inline void swapStruct(version_min_command &C) { 1280 sys::swapByteOrder(C.cmd); 1281 sys::swapByteOrder(C.cmdsize); 1282 sys::swapByteOrder(C.version); 1283 sys::swapByteOrder(C.sdk); 1284 } 1285 1286 inline void swapStruct(note_command &C) { 1287 sys::swapByteOrder(C.cmd); 1288 sys::swapByteOrder(C.cmdsize); 1289 sys::swapByteOrder(C.offset); 1290 sys::swapByteOrder(C.size); 1291 } 1292 1293 inline void swapStruct(build_version_command &C) { 1294 sys::swapByteOrder(C.cmd); 1295 sys::swapByteOrder(C.cmdsize); 1296 sys::swapByteOrder(C.platform); 1297 sys::swapByteOrder(C.minos); 1298 sys::swapByteOrder(C.sdk); 1299 sys::swapByteOrder(C.ntools); 1300 } 1301 1302 inline void swapStruct(build_tool_version &C) { 1303 sys::swapByteOrder(C.tool); 1304 sys::swapByteOrder(C.version); 1305 } 1306 1307 inline void swapStruct(data_in_code_entry &C) { 1308 sys::swapByteOrder(C.offset); 1309 sys::swapByteOrder(C.length); 1310 sys::swapByteOrder(C.kind); 1311 } 1312 1313 inline void swapStruct(uint32_t &C) { sys::swapByteOrder(C); } 1314 1315 // The prebind_cksum_command is obsolete and no longer supported. 1316 inline void swapStruct(prebind_cksum_command &C) { 1317 sys::swapByteOrder(C.cmd); 1318 sys::swapByteOrder(C.cmdsize); 1319 sys::swapByteOrder(C.cksum); 1320 } 1321 1322 // The twolevel_hints_command is obsolete and no longer supported. 1323 inline void swapStruct(twolevel_hints_command &C) { 1324 sys::swapByteOrder(C.cmd); 1325 sys::swapByteOrder(C.cmdsize); 1326 sys::swapByteOrder(C.offset); 1327 sys::swapByteOrder(C.nhints); 1328 } 1329 1330 // The prebound_dylib_command is obsolete and no longer supported. 1331 inline void swapStruct(prebound_dylib_command &C) { 1332 sys::swapByteOrder(C.cmd); 1333 sys::swapByteOrder(C.cmdsize); 1334 sys::swapByteOrder(C.name); 1335 sys::swapByteOrder(C.nmodules); 1336 sys::swapByteOrder(C.linked_modules); 1337 } 1338 1339 // The fvmfile_command is obsolete and no longer supported. 1340 inline void swapStruct(fvmfile_command &C) { 1341 sys::swapByteOrder(C.cmd); 1342 sys::swapByteOrder(C.cmdsize); 1343 sys::swapByteOrder(C.name); 1344 sys::swapByteOrder(C.header_addr); 1345 } 1346 1347 // The symseg_command is obsolete and no longer supported. 1348 inline void swapStruct(symseg_command &C) { 1349 sys::swapByteOrder(C.cmd); 1350 sys::swapByteOrder(C.cmdsize); 1351 sys::swapByteOrder(C.offset); 1352 sys::swapByteOrder(C.size); 1353 } 1354 1355 // The ident_command is obsolete and no longer supported. 1356 inline void swapStruct(ident_command &C) { 1357 sys::swapByteOrder(C.cmd); 1358 sys::swapByteOrder(C.cmdsize); 1359 } 1360 1361 inline void swapStruct(fvmlib &C) { 1362 sys::swapByteOrder(C.name); 1363 sys::swapByteOrder(C.minor_version); 1364 sys::swapByteOrder(C.header_addr); 1365 } 1366 1367 // The fvmlib_command is obsolete and no longer supported. 1368 inline void swapStruct(fvmlib_command &C) { 1369 sys::swapByteOrder(C.cmd); 1370 sys::swapByteOrder(C.cmdsize); 1371 swapStruct(C.fvmlib); 1372 } 1373 1374 // Get/Set functions from <mach-o/nlist.h> 1375 1376 inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc) { 1377 return (((n_desc) >> 8u) & 0xffu); 1378 } 1379 1380 inline void SET_LIBRARY_ORDINAL(uint16_t &n_desc, uint8_t ordinal) { 1381 n_desc = (((n_desc)&0x00ff) | (((ordinal)&0xff) << 8)); 1382 } 1383 1384 inline uint8_t GET_COMM_ALIGN(uint16_t n_desc) { 1385 return (n_desc >> 8u) & 0x0fu; 1386 } 1387 1388 inline void SET_COMM_ALIGN(uint16_t &n_desc, uint8_t align) { 1389 n_desc = ((n_desc & 0xf0ffu) | ((align & 0x0fu) << 8u)); 1390 } 1391 1392 // Enums from <mach/machine.h> 1393 enum : uint32_t { 1394 // Capability bits used in the definition of cpu_type. 1395 CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits 1396 CPU_ARCH_ABI64 = 0x01000000 // 64 bit ABI 1397 }; 1398 1399 // Constants for the cputype field. 1400 enum CPUType { 1401 CPU_TYPE_ANY = -1, 1402 CPU_TYPE_X86 = 7, 1403 CPU_TYPE_I386 = CPU_TYPE_X86, 1404 CPU_TYPE_X86_64 = CPU_TYPE_X86 | CPU_ARCH_ABI64, 1405 /* CPU_TYPE_MIPS = 8, */ 1406 CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC 1407 CPU_TYPE_ARM = 12, 1408 CPU_TYPE_ARM64 = CPU_TYPE_ARM | CPU_ARCH_ABI64, 1409 CPU_TYPE_SPARC = 14, 1410 CPU_TYPE_POWERPC = 18, 1411 CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64 1412 }; 1413 1414 enum : uint32_t { 1415 // Capability bits used in the definition of cpusubtype. 1416 CPU_SUBTYPE_MASK = 0xff000000, // Mask for architecture bits 1417 CPU_SUBTYPE_LIB64 = 0x80000000, // 64 bit libraries 1418 1419 // Special CPU subtype constants. 1420 CPU_SUBTYPE_MULTIPLE = ~0u 1421 }; 1422 1423 // Constants for the cpusubtype field. 1424 enum CPUSubTypeX86 { 1425 CPU_SUBTYPE_I386_ALL = 3, 1426 CPU_SUBTYPE_386 = 3, 1427 CPU_SUBTYPE_486 = 4, 1428 CPU_SUBTYPE_486SX = 0x84, 1429 CPU_SUBTYPE_586 = 5, 1430 CPU_SUBTYPE_PENT = CPU_SUBTYPE_586, 1431 CPU_SUBTYPE_PENTPRO = 0x16, 1432 CPU_SUBTYPE_PENTII_M3 = 0x36, 1433 CPU_SUBTYPE_PENTII_M5 = 0x56, 1434 CPU_SUBTYPE_CELERON = 0x67, 1435 CPU_SUBTYPE_CELERON_MOBILE = 0x77, 1436 CPU_SUBTYPE_PENTIUM_3 = 0x08, 1437 CPU_SUBTYPE_PENTIUM_3_M = 0x18, 1438 CPU_SUBTYPE_PENTIUM_3_XEON = 0x28, 1439 CPU_SUBTYPE_PENTIUM_M = 0x09, 1440 CPU_SUBTYPE_PENTIUM_4 = 0x0a, 1441 CPU_SUBTYPE_PENTIUM_4_M = 0x1a, 1442 CPU_SUBTYPE_ITANIUM = 0x0b, 1443 CPU_SUBTYPE_ITANIUM_2 = 0x1b, 1444 CPU_SUBTYPE_XEON = 0x0c, 1445 CPU_SUBTYPE_XEON_MP = 0x1c, 1446 1447 CPU_SUBTYPE_X86_ALL = 3, 1448 CPU_SUBTYPE_X86_64_ALL = 3, 1449 CPU_SUBTYPE_X86_ARCH1 = 4, 1450 CPU_SUBTYPE_X86_64_H = 8 1451 }; 1452 inline int CPU_SUBTYPE_INTEL(int Family, int Model) { 1453 return Family | (Model << 4); 1454 } 1455 inline int CPU_SUBTYPE_INTEL_FAMILY(CPUSubTypeX86 ST) { 1456 return ((int)ST) & 0x0f; 1457 } 1458 inline int CPU_SUBTYPE_INTEL_MODEL(CPUSubTypeX86 ST) { return ((int)ST) >> 4; } 1459 enum { CPU_SUBTYPE_INTEL_FAMILY_MAX = 15, CPU_SUBTYPE_INTEL_MODEL_ALL = 0 }; 1460 1461 enum CPUSubTypeARM { 1462 CPU_SUBTYPE_ARM_ALL = 0, 1463 CPU_SUBTYPE_ARM_V4T = 5, 1464 CPU_SUBTYPE_ARM_V6 = 6, 1465 CPU_SUBTYPE_ARM_V5 = 7, 1466 CPU_SUBTYPE_ARM_V5TEJ = 7, 1467 CPU_SUBTYPE_ARM_XSCALE = 8, 1468 CPU_SUBTYPE_ARM_V7 = 9, 1469 // unused ARM_V7F = 10, 1470 CPU_SUBTYPE_ARM_V7S = 11, 1471 CPU_SUBTYPE_ARM_V7K = 12, 1472 CPU_SUBTYPE_ARM_V6M = 14, 1473 CPU_SUBTYPE_ARM_V7M = 15, 1474 CPU_SUBTYPE_ARM_V7EM = 16 1475 }; 1476 1477 enum CPUSubTypeARM64 { CPU_SUBTYPE_ARM64_ALL = 0 }; 1478 1479 enum CPUSubTypeSPARC { CPU_SUBTYPE_SPARC_ALL = 0 }; 1480 1481 enum CPUSubTypePowerPC { 1482 CPU_SUBTYPE_POWERPC_ALL = 0, 1483 CPU_SUBTYPE_POWERPC_601 = 1, 1484 CPU_SUBTYPE_POWERPC_602 = 2, 1485 CPU_SUBTYPE_POWERPC_603 = 3, 1486 CPU_SUBTYPE_POWERPC_603e = 4, 1487 CPU_SUBTYPE_POWERPC_603ev = 5, 1488 CPU_SUBTYPE_POWERPC_604 = 6, 1489 CPU_SUBTYPE_POWERPC_604e = 7, 1490 CPU_SUBTYPE_POWERPC_620 = 8, 1491 CPU_SUBTYPE_POWERPC_750 = 9, 1492 CPU_SUBTYPE_POWERPC_7400 = 10, 1493 CPU_SUBTYPE_POWERPC_7450 = 11, 1494 CPU_SUBTYPE_POWERPC_970 = 100, 1495 1496 CPU_SUBTYPE_MC980000_ALL = CPU_SUBTYPE_POWERPC_ALL, 1497 CPU_SUBTYPE_MC98601 = CPU_SUBTYPE_POWERPC_601 1498 }; 1499 1500 struct x86_thread_state32_t { 1501 uint32_t eax; 1502 uint32_t ebx; 1503 uint32_t ecx; 1504 uint32_t edx; 1505 uint32_t edi; 1506 uint32_t esi; 1507 uint32_t ebp; 1508 uint32_t esp; 1509 uint32_t ss; 1510 uint32_t eflags; 1511 uint32_t eip; 1512 uint32_t cs; 1513 uint32_t ds; 1514 uint32_t es; 1515 uint32_t fs; 1516 uint32_t gs; 1517 }; 1518 1519 struct x86_thread_state64_t { 1520 uint64_t rax; 1521 uint64_t rbx; 1522 uint64_t rcx; 1523 uint64_t rdx; 1524 uint64_t rdi; 1525 uint64_t rsi; 1526 uint64_t rbp; 1527 uint64_t rsp; 1528 uint64_t r8; 1529 uint64_t r9; 1530 uint64_t r10; 1531 uint64_t r11; 1532 uint64_t r12; 1533 uint64_t r13; 1534 uint64_t r14; 1535 uint64_t r15; 1536 uint64_t rip; 1537 uint64_t rflags; 1538 uint64_t cs; 1539 uint64_t fs; 1540 uint64_t gs; 1541 }; 1542 1543 enum x86_fp_control_precis { 1544 x86_FP_PREC_24B = 0, 1545 x86_FP_PREC_53B = 2, 1546 x86_FP_PREC_64B = 3 1547 }; 1548 1549 enum x86_fp_control_rc { 1550 x86_FP_RND_NEAR = 0, 1551 x86_FP_RND_DOWN = 1, 1552 x86_FP_RND_UP = 2, 1553 x86_FP_CHOP = 3 1554 }; 1555 1556 struct fp_control_t { 1557 unsigned short invalid : 1, denorm : 1, zdiv : 1, ovrfl : 1, undfl : 1, 1558 precis : 1, : 2, pc : 2, rc : 2, : 1, : 3; 1559 }; 1560 1561 struct fp_status_t { 1562 unsigned short invalid : 1, denorm : 1, zdiv : 1, ovrfl : 1, undfl : 1, 1563 precis : 1, stkflt : 1, errsumm : 1, c0 : 1, c1 : 1, c2 : 1, tos : 3, 1564 c3 : 1, busy : 1; 1565 }; 1566 1567 struct mmst_reg_t { 1568 char mmst_reg[10]; 1569 char mmst_rsrv[6]; 1570 }; 1571 1572 struct xmm_reg_t { 1573 char xmm_reg[16]; 1574 }; 1575 1576 struct x86_float_state64_t { 1577 int32_t fpu_reserved[2]; 1578 fp_control_t fpu_fcw; 1579 fp_status_t fpu_fsw; 1580 uint8_t fpu_ftw; 1581 uint8_t fpu_rsrv1; 1582 uint16_t fpu_fop; 1583 uint32_t fpu_ip; 1584 uint16_t fpu_cs; 1585 uint16_t fpu_rsrv2; 1586 uint32_t fpu_dp; 1587 uint16_t fpu_ds; 1588 uint16_t fpu_rsrv3; 1589 uint32_t fpu_mxcsr; 1590 uint32_t fpu_mxcsrmask; 1591 mmst_reg_t fpu_stmm0; 1592 mmst_reg_t fpu_stmm1; 1593 mmst_reg_t fpu_stmm2; 1594 mmst_reg_t fpu_stmm3; 1595 mmst_reg_t fpu_stmm4; 1596 mmst_reg_t fpu_stmm5; 1597 mmst_reg_t fpu_stmm6; 1598 mmst_reg_t fpu_stmm7; 1599 xmm_reg_t fpu_xmm0; 1600 xmm_reg_t fpu_xmm1; 1601 xmm_reg_t fpu_xmm2; 1602 xmm_reg_t fpu_xmm3; 1603 xmm_reg_t fpu_xmm4; 1604 xmm_reg_t fpu_xmm5; 1605 xmm_reg_t fpu_xmm6; 1606 xmm_reg_t fpu_xmm7; 1607 xmm_reg_t fpu_xmm8; 1608 xmm_reg_t fpu_xmm9; 1609 xmm_reg_t fpu_xmm10; 1610 xmm_reg_t fpu_xmm11; 1611 xmm_reg_t fpu_xmm12; 1612 xmm_reg_t fpu_xmm13; 1613 xmm_reg_t fpu_xmm14; 1614 xmm_reg_t fpu_xmm15; 1615 char fpu_rsrv4[6 * 16]; 1616 uint32_t fpu_reserved1; 1617 }; 1618 1619 struct x86_exception_state64_t { 1620 uint16_t trapno; 1621 uint16_t cpu; 1622 uint32_t err; 1623 uint64_t faultvaddr; 1624 }; 1625 1626 inline void swapStruct(x86_thread_state32_t &x) { 1627 sys::swapByteOrder(x.eax); 1628 sys::swapByteOrder(x.ebx); 1629 sys::swapByteOrder(x.ecx); 1630 sys::swapByteOrder(x.edx); 1631 sys::swapByteOrder(x.edi); 1632 sys::swapByteOrder(x.esi); 1633 sys::swapByteOrder(x.ebp); 1634 sys::swapByteOrder(x.esp); 1635 sys::swapByteOrder(x.ss); 1636 sys::swapByteOrder(x.eflags); 1637 sys::swapByteOrder(x.eip); 1638 sys::swapByteOrder(x.cs); 1639 sys::swapByteOrder(x.ds); 1640 sys::swapByteOrder(x.es); 1641 sys::swapByteOrder(x.fs); 1642 sys::swapByteOrder(x.gs); 1643 } 1644 1645 inline void swapStruct(x86_thread_state64_t &x) { 1646 sys::swapByteOrder(x.rax); 1647 sys::swapByteOrder(x.rbx); 1648 sys::swapByteOrder(x.rcx); 1649 sys::swapByteOrder(x.rdx); 1650 sys::swapByteOrder(x.rdi); 1651 sys::swapByteOrder(x.rsi); 1652 sys::swapByteOrder(x.rbp); 1653 sys::swapByteOrder(x.rsp); 1654 sys::swapByteOrder(x.r8); 1655 sys::swapByteOrder(x.r9); 1656 sys::swapByteOrder(x.r10); 1657 sys::swapByteOrder(x.r11); 1658 sys::swapByteOrder(x.r12); 1659 sys::swapByteOrder(x.r13); 1660 sys::swapByteOrder(x.r14); 1661 sys::swapByteOrder(x.r15); 1662 sys::swapByteOrder(x.rip); 1663 sys::swapByteOrder(x.rflags); 1664 sys::swapByteOrder(x.cs); 1665 sys::swapByteOrder(x.fs); 1666 sys::swapByteOrder(x.gs); 1667 } 1668 1669 inline void swapStruct(x86_float_state64_t &x) { 1670 sys::swapByteOrder(x.fpu_reserved[0]); 1671 sys::swapByteOrder(x.fpu_reserved[1]); 1672 // TODO swap: fp_control_t fpu_fcw; 1673 // TODO swap: fp_status_t fpu_fsw; 1674 sys::swapByteOrder(x.fpu_fop); 1675 sys::swapByteOrder(x.fpu_ip); 1676 sys::swapByteOrder(x.fpu_cs); 1677 sys::swapByteOrder(x.fpu_rsrv2); 1678 sys::swapByteOrder(x.fpu_dp); 1679 sys::swapByteOrder(x.fpu_ds); 1680 sys::swapByteOrder(x.fpu_rsrv3); 1681 sys::swapByteOrder(x.fpu_mxcsr); 1682 sys::swapByteOrder(x.fpu_mxcsrmask); 1683 sys::swapByteOrder(x.fpu_reserved1); 1684 } 1685 1686 inline void swapStruct(x86_exception_state64_t &x) { 1687 sys::swapByteOrder(x.trapno); 1688 sys::swapByteOrder(x.cpu); 1689 sys::swapByteOrder(x.err); 1690 sys::swapByteOrder(x.faultvaddr); 1691 } 1692 1693 struct x86_state_hdr_t { 1694 uint32_t flavor; 1695 uint32_t count; 1696 }; 1697 1698 struct x86_thread_state_t { 1699 x86_state_hdr_t tsh; 1700 union { 1701 x86_thread_state64_t ts64; 1702 x86_thread_state32_t ts32; 1703 } uts; 1704 }; 1705 1706 struct x86_float_state_t { 1707 x86_state_hdr_t fsh; 1708 union { 1709 x86_float_state64_t fs64; 1710 } ufs; 1711 }; 1712 1713 struct x86_exception_state_t { 1714 x86_state_hdr_t esh; 1715 union { 1716 x86_exception_state64_t es64; 1717 } ues; 1718 }; 1719 1720 inline void swapStruct(x86_state_hdr_t &x) { 1721 sys::swapByteOrder(x.flavor); 1722 sys::swapByteOrder(x.count); 1723 } 1724 1725 enum X86ThreadFlavors { 1726 x86_THREAD_STATE32 = 1, 1727 x86_FLOAT_STATE32 = 2, 1728 x86_EXCEPTION_STATE32 = 3, 1729 x86_THREAD_STATE64 = 4, 1730 x86_FLOAT_STATE64 = 5, 1731 x86_EXCEPTION_STATE64 = 6, 1732 x86_THREAD_STATE = 7, 1733 x86_FLOAT_STATE = 8, 1734 x86_EXCEPTION_STATE = 9, 1735 x86_DEBUG_STATE32 = 10, 1736 x86_DEBUG_STATE64 = 11, 1737 x86_DEBUG_STATE = 12 1738 }; 1739 1740 inline void swapStruct(x86_thread_state_t &x) { 1741 swapStruct(x.tsh); 1742 if (x.tsh.flavor == x86_THREAD_STATE64) 1743 swapStruct(x.uts.ts64); 1744 } 1745 1746 inline void swapStruct(x86_float_state_t &x) { 1747 swapStruct(x.fsh); 1748 if (x.fsh.flavor == x86_FLOAT_STATE64) 1749 swapStruct(x.ufs.fs64); 1750 } 1751 1752 inline void swapStruct(x86_exception_state_t &x) { 1753 swapStruct(x.esh); 1754 if (x.esh.flavor == x86_EXCEPTION_STATE64) 1755 swapStruct(x.ues.es64); 1756 } 1757 1758 const uint32_t x86_THREAD_STATE32_COUNT = 1759 sizeof(x86_thread_state32_t) / sizeof(uint32_t); 1760 1761 const uint32_t x86_THREAD_STATE64_COUNT = 1762 sizeof(x86_thread_state64_t) / sizeof(uint32_t); 1763 const uint32_t x86_FLOAT_STATE64_COUNT = 1764 sizeof(x86_float_state64_t) / sizeof(uint32_t); 1765 const uint32_t x86_EXCEPTION_STATE64_COUNT = 1766 sizeof(x86_exception_state64_t) / sizeof(uint32_t); 1767 1768 const uint32_t x86_THREAD_STATE_COUNT = 1769 sizeof(x86_thread_state_t) / sizeof(uint32_t); 1770 const uint32_t x86_FLOAT_STATE_COUNT = 1771 sizeof(x86_float_state_t) / sizeof(uint32_t); 1772 const uint32_t x86_EXCEPTION_STATE_COUNT = 1773 sizeof(x86_exception_state_t) / sizeof(uint32_t); 1774 1775 struct arm_thread_state32_t { 1776 uint32_t r[13]; 1777 uint32_t sp; 1778 uint32_t lr; 1779 uint32_t pc; 1780 uint32_t cpsr; 1781 }; 1782 1783 inline void swapStruct(arm_thread_state32_t &x) { 1784 for (int i = 0; i < 13; i++) 1785 sys::swapByteOrder(x.r[i]); 1786 sys::swapByteOrder(x.sp); 1787 sys::swapByteOrder(x.lr); 1788 sys::swapByteOrder(x.pc); 1789 sys::swapByteOrder(x.cpsr); 1790 } 1791 1792 struct arm_thread_state64_t { 1793 uint64_t x[29]; 1794 uint64_t fp; 1795 uint64_t lr; 1796 uint64_t sp; 1797 uint64_t pc; 1798 uint32_t cpsr; 1799 uint32_t pad; 1800 }; 1801 1802 inline void swapStruct(arm_thread_state64_t &x) { 1803 for (int i = 0; i < 29; i++) 1804 sys::swapByteOrder(x.x[i]); 1805 sys::swapByteOrder(x.fp); 1806 sys::swapByteOrder(x.lr); 1807 sys::swapByteOrder(x.sp); 1808 sys::swapByteOrder(x.pc); 1809 sys::swapByteOrder(x.cpsr); 1810 } 1811 1812 struct arm_state_hdr_t { 1813 uint32_t flavor; 1814 uint32_t count; 1815 }; 1816 1817 struct arm_thread_state_t { 1818 arm_state_hdr_t tsh; 1819 union { 1820 arm_thread_state32_t ts32; 1821 } uts; 1822 }; 1823 1824 inline void swapStruct(arm_state_hdr_t &x) { 1825 sys::swapByteOrder(x.flavor); 1826 sys::swapByteOrder(x.count); 1827 } 1828 1829 enum ARMThreadFlavors { 1830 ARM_THREAD_STATE = 1, 1831 ARM_VFP_STATE = 2, 1832 ARM_EXCEPTION_STATE = 3, 1833 ARM_DEBUG_STATE = 4, 1834 ARN_THREAD_STATE_NONE = 5, 1835 ARM_THREAD_STATE64 = 6, 1836 ARM_EXCEPTION_STATE64 = 7 1837 }; 1838 1839 inline void swapStruct(arm_thread_state_t &x) { 1840 swapStruct(x.tsh); 1841 if (x.tsh.flavor == ARM_THREAD_STATE) 1842 swapStruct(x.uts.ts32); 1843 } 1844 1845 const uint32_t ARM_THREAD_STATE_COUNT = 1846 sizeof(arm_thread_state32_t) / sizeof(uint32_t); 1847 1848 const uint32_t ARM_THREAD_STATE64_COUNT = 1849 sizeof(arm_thread_state64_t) / sizeof(uint32_t); 1850 1851 struct ppc_thread_state32_t { 1852 uint32_t srr0; 1853 uint32_t srr1; 1854 uint32_t r0; 1855 uint32_t r1; 1856 uint32_t r2; 1857 uint32_t r3; 1858 uint32_t r4; 1859 uint32_t r5; 1860 uint32_t r6; 1861 uint32_t r7; 1862 uint32_t r8; 1863 uint32_t r9; 1864 uint32_t r10; 1865 uint32_t r11; 1866 uint32_t r12; 1867 uint32_t r13; 1868 uint32_t r14; 1869 uint32_t r15; 1870 uint32_t r16; 1871 uint32_t r17; 1872 uint32_t r18; 1873 uint32_t r19; 1874 uint32_t r20; 1875 uint32_t r21; 1876 uint32_t r22; 1877 uint32_t r23; 1878 uint32_t r24; 1879 uint32_t r25; 1880 uint32_t r26; 1881 uint32_t r27; 1882 uint32_t r28; 1883 uint32_t r29; 1884 uint32_t r30; 1885 uint32_t r31; 1886 uint32_t ct; 1887 uint32_t xer; 1888 uint32_t lr; 1889 uint32_t ctr; 1890 uint32_t mq; 1891 uint32_t vrsave; 1892 }; 1893 1894 inline void swapStruct(ppc_thread_state32_t &x) { 1895 sys::swapByteOrder(x.srr0); 1896 sys::swapByteOrder(x.srr1); 1897 sys::swapByteOrder(x.r0); 1898 sys::swapByteOrder(x.r1); 1899 sys::swapByteOrder(x.r2); 1900 sys::swapByteOrder(x.r3); 1901 sys::swapByteOrder(x.r4); 1902 sys::swapByteOrder(x.r5); 1903 sys::swapByteOrder(x.r6); 1904 sys::swapByteOrder(x.r7); 1905 sys::swapByteOrder(x.r8); 1906 sys::swapByteOrder(x.r9); 1907 sys::swapByteOrder(x.r10); 1908 sys::swapByteOrder(x.r11); 1909 sys::swapByteOrder(x.r12); 1910 sys::swapByteOrder(x.r13); 1911 sys::swapByteOrder(x.r14); 1912 sys::swapByteOrder(x.r15); 1913 sys::swapByteOrder(x.r16); 1914 sys::swapByteOrder(x.r17); 1915 sys::swapByteOrder(x.r18); 1916 sys::swapByteOrder(x.r19); 1917 sys::swapByteOrder(x.r20); 1918 sys::swapByteOrder(x.r21); 1919 sys::swapByteOrder(x.r22); 1920 sys::swapByteOrder(x.r23); 1921 sys::swapByteOrder(x.r24); 1922 sys::swapByteOrder(x.r25); 1923 sys::swapByteOrder(x.r26); 1924 sys::swapByteOrder(x.r27); 1925 sys::swapByteOrder(x.r28); 1926 sys::swapByteOrder(x.r29); 1927 sys::swapByteOrder(x.r30); 1928 sys::swapByteOrder(x.r31); 1929 sys::swapByteOrder(x.ct); 1930 sys::swapByteOrder(x.xer); 1931 sys::swapByteOrder(x.lr); 1932 sys::swapByteOrder(x.ctr); 1933 sys::swapByteOrder(x.mq); 1934 sys::swapByteOrder(x.vrsave); 1935 } 1936 1937 struct ppc_state_hdr_t { 1938 uint32_t flavor; 1939 uint32_t count; 1940 }; 1941 1942 struct ppc_thread_state_t { 1943 ppc_state_hdr_t tsh; 1944 union { 1945 ppc_thread_state32_t ts32; 1946 } uts; 1947 }; 1948 1949 inline void swapStruct(ppc_state_hdr_t &x) { 1950 sys::swapByteOrder(x.flavor); 1951 sys::swapByteOrder(x.count); 1952 } 1953 1954 enum PPCThreadFlavors { 1955 PPC_THREAD_STATE = 1, 1956 PPC_FLOAT_STATE = 2, 1957 PPC_EXCEPTION_STATE = 3, 1958 PPC_VECTOR_STATE = 4, 1959 PPC_THREAD_STATE64 = 5, 1960 PPC_EXCEPTION_STATE64 = 6, 1961 PPC_THREAD_STATE_NONE = 7 1962 }; 1963 1964 inline void swapStruct(ppc_thread_state_t &x) { 1965 swapStruct(x.tsh); 1966 if (x.tsh.flavor == PPC_THREAD_STATE) 1967 swapStruct(x.uts.ts32); 1968 } 1969 1970 const uint32_t PPC_THREAD_STATE_COUNT = 1971 sizeof(ppc_thread_state32_t) / sizeof(uint32_t); 1972 1973 // Define a union of all load command structs 1974 #define LOAD_COMMAND_STRUCT(LCStruct) LCStruct LCStruct##_data; 1975 1976 LLVM_PACKED_START 1977 union alignas(4) macho_load_command { 1978 #include "llvm/BinaryFormat/MachO.def" 1979 }; 1980 LLVM_PACKED_END 1981 1982 } // end namespace MachO 1983 } // end namespace llvm 1984 1985 #endif 1986