1 //===-- llvm/Support/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_SUPPORT_MACHO_H 15 #define LLVM_SUPPORT_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 }; 83 84 enum : uint32_t { 85 // Flags for the "cmd" field in llvm::MachO::load_command 86 LC_REQ_DYLD = 0x80000000u 87 }; 88 89 #define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct) \ 90 LCName = LCValue, 91 92 enum LoadCommandType : uint32_t { 93 #include "llvm/Support/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 { 231 REBASE_OPCODE_MASK = 0xF0u, 232 REBASE_IMMEDIATE_MASK = 0x0Fu 233 }; 234 235 enum RebaseOpcode { 236 REBASE_OPCODE_DONE = 0x00u, 237 REBASE_OPCODE_SET_TYPE_IMM = 0x10u, 238 REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x20u, 239 REBASE_OPCODE_ADD_ADDR_ULEB = 0x30u, 240 REBASE_OPCODE_ADD_ADDR_IMM_SCALED = 0x40u, 241 REBASE_OPCODE_DO_REBASE_IMM_TIMES = 0x50u, 242 REBASE_OPCODE_DO_REBASE_ULEB_TIMES = 0x60u, 243 REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB = 0x70u, 244 REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB = 0x80u 245 }; 246 247 enum BindType { 248 BIND_TYPE_POINTER = 1u, 249 BIND_TYPE_TEXT_ABSOLUTE32 = 2u, 250 BIND_TYPE_TEXT_PCREL32 = 3u 251 }; 252 253 enum BindSpecialDylib { 254 BIND_SPECIAL_DYLIB_SELF = 0, 255 BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1, 256 BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2 257 }; 258 259 enum { 260 BIND_SYMBOL_FLAGS_WEAK_IMPORT = 0x1u, 261 BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION = 0x8u, 262 263 BIND_OPCODE_MASK = 0xF0u, 264 BIND_IMMEDIATE_MASK = 0x0Fu 265 }; 266 267 enum BindOpcode { 268 BIND_OPCODE_DONE = 0x00u, 269 BIND_OPCODE_SET_DYLIB_ORDINAL_IMM = 0x10u, 270 BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB = 0x20u, 271 BIND_OPCODE_SET_DYLIB_SPECIAL_IMM = 0x30u, 272 BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM = 0x40u, 273 BIND_OPCODE_SET_TYPE_IMM = 0x50u, 274 BIND_OPCODE_SET_ADDEND_SLEB = 0x60u, 275 BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x70u, 276 BIND_OPCODE_ADD_ADDR_ULEB = 0x80u, 277 BIND_OPCODE_DO_BIND = 0x90u, 278 BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB = 0xA0u, 279 BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED = 0xB0u, 280 BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB = 0xC0u 281 }; 282 283 enum { 284 EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03u, 285 EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04u, 286 EXPORT_SYMBOL_FLAGS_REEXPORT = 0x08u, 287 EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10u 288 }; 289 290 enum ExportSymbolKind { 291 EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00u, 292 EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01u, 293 EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE = 0x02u 294 }; 295 296 enum { 297 // Constant masks for the "n_type" field in llvm::MachO::nlist and 298 // llvm::MachO::nlist_64 299 N_STAB = 0xe0, 300 N_PEXT = 0x10, 301 N_TYPE = 0x0e, 302 N_EXT = 0x01 303 }; 304 305 enum NListType : uint8_t { 306 // Constants for the "n_type & N_TYPE" llvm::MachO::nlist and 307 // llvm::MachO::nlist_64 308 N_UNDF = 0x0u, 309 N_ABS = 0x2u, 310 N_SECT = 0xeu, 311 N_PBUD = 0xcu, 312 N_INDR = 0xau 313 }; 314 315 enum SectionOrdinal { 316 // Constants for the "n_sect" field in llvm::MachO::nlist and 317 // llvm::MachO::nlist_64 318 NO_SECT = 0u, 319 MAX_SECT = 0xffu 320 }; 321 322 enum { 323 // Constant masks for the "n_desc" field in llvm::MachO::nlist and 324 // llvm::MachO::nlist_64 325 // The low 3 bits are the for the REFERENCE_TYPE. 326 REFERENCE_TYPE = 0x7, 327 REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0, 328 REFERENCE_FLAG_UNDEFINED_LAZY = 1, 329 REFERENCE_FLAG_DEFINED = 2, 330 REFERENCE_FLAG_PRIVATE_DEFINED = 3, 331 REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4, 332 REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5, 333 // Flag bits (some overlap with the library ordinal bits). 334 N_ARM_THUMB_DEF = 0x0008u, 335 REFERENCED_DYNAMICALLY = 0x0010u, 336 N_NO_DEAD_STRIP = 0x0020u, 337 N_WEAK_REF = 0x0040u, 338 N_WEAK_DEF = 0x0080u, 339 N_SYMBOL_RESOLVER = 0x0100u, 340 N_ALT_ENTRY = 0x0200u, 341 // For undefined symbols coming from libraries, see GET_LIBRARY_ORDINAL() 342 // as these are in the top 8 bits. 343 SELF_LIBRARY_ORDINAL = 0x0, 344 MAX_LIBRARY_ORDINAL = 0xfd, 345 DYNAMIC_LOOKUP_ORDINAL = 0xfe, 346 EXECUTABLE_ORDINAL = 0xff 347 }; 348 349 enum StabType { 350 // Constant values for the "n_type" field in llvm::MachO::nlist and 351 // llvm::MachO::nlist_64 when "(n_type & N_STAB) != 0" 352 N_GSYM = 0x20u, 353 N_FNAME = 0x22u, 354 N_FUN = 0x24u, 355 N_STSYM = 0x26u, 356 N_LCSYM = 0x28u, 357 N_BNSYM = 0x2Eu, 358 N_PC = 0x30u, 359 N_AST = 0x32u, 360 N_OPT = 0x3Cu, 361 N_RSYM = 0x40u, 362 N_SLINE = 0x44u, 363 N_ENSYM = 0x4Eu, 364 N_SSYM = 0x60u, 365 N_SO = 0x64u, 366 N_OSO = 0x66u, 367 N_LSYM = 0x80u, 368 N_BINCL = 0x82u, 369 N_SOL = 0x84u, 370 N_PARAMS = 0x86u, 371 N_VERSION = 0x88u, 372 N_OLEVEL = 0x8Au, 373 N_PSYM = 0xA0u, 374 N_EINCL = 0xA2u, 375 N_ENTRY = 0xA4u, 376 N_LBRAC = 0xC0u, 377 N_EXCL = 0xC2u, 378 N_RBRAC = 0xE0u, 379 N_BCOMM = 0xE2u, 380 N_ECOMM = 0xE4u, 381 N_ECOML = 0xE8u, 382 N_LENG = 0xFEu 383 }; 384 385 enum : uint32_t { 386 // Constant values for the r_symbolnum field in an 387 // llvm::MachO::relocation_info structure when r_extern is 0. 388 R_ABS = 0, 389 390 // Constant bits for the r_address field in an 391 // llvm::MachO::relocation_info structure. 392 R_SCATTERED = 0x80000000 393 }; 394 395 enum RelocationInfoType { 396 // Constant values for the r_type field in an 397 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 398 // structure. 399 GENERIC_RELOC_VANILLA = 0, 400 GENERIC_RELOC_PAIR = 1, 401 GENERIC_RELOC_SECTDIFF = 2, 402 GENERIC_RELOC_PB_LA_PTR = 3, 403 GENERIC_RELOC_LOCAL_SECTDIFF = 4, 404 GENERIC_RELOC_TLV = 5, 405 406 // Constant values for the r_type field in a PowerPC architecture 407 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 408 // structure. 409 PPC_RELOC_VANILLA = GENERIC_RELOC_VANILLA, 410 PPC_RELOC_PAIR = GENERIC_RELOC_PAIR, 411 PPC_RELOC_BR14 = 2, 412 PPC_RELOC_BR24 = 3, 413 PPC_RELOC_HI16 = 4, 414 PPC_RELOC_LO16 = 5, 415 PPC_RELOC_HA16 = 6, 416 PPC_RELOC_LO14 = 7, 417 PPC_RELOC_SECTDIFF = 8, 418 PPC_RELOC_PB_LA_PTR = 9, 419 PPC_RELOC_HI16_SECTDIFF = 10, 420 PPC_RELOC_LO16_SECTDIFF = 11, 421 PPC_RELOC_HA16_SECTDIFF = 12, 422 PPC_RELOC_JBSR = 13, 423 PPC_RELOC_LO14_SECTDIFF = 14, 424 PPC_RELOC_LOCAL_SECTDIFF = 15, 425 426 // Constant values for the r_type field in an ARM architecture 427 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 428 // structure. 429 ARM_RELOC_VANILLA = GENERIC_RELOC_VANILLA, 430 ARM_RELOC_PAIR = GENERIC_RELOC_PAIR, 431 ARM_RELOC_SECTDIFF = GENERIC_RELOC_SECTDIFF, 432 ARM_RELOC_LOCAL_SECTDIFF = 3, 433 ARM_RELOC_PB_LA_PTR = 4, 434 ARM_RELOC_BR24 = 5, 435 ARM_THUMB_RELOC_BR22 = 6, 436 ARM_THUMB_32BIT_BRANCH = 7, // obsolete 437 ARM_RELOC_HALF = 8, 438 ARM_RELOC_HALF_SECTDIFF = 9, 439 440 // Constant values for the r_type field in an ARM64 architecture 441 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 442 // structure. 443 444 // For pointers. 445 ARM64_RELOC_UNSIGNED = 0, 446 // Must be followed by an ARM64_RELOC_UNSIGNED 447 ARM64_RELOC_SUBTRACTOR = 1, 448 // A B/BL instruction with 26-bit displacement. 449 ARM64_RELOC_BRANCH26 = 2, 450 // PC-rel distance to page of target. 451 ARM64_RELOC_PAGE21 = 3, 452 // Offset within page, scaled by r_length. 453 ARM64_RELOC_PAGEOFF12 = 4, 454 // PC-rel distance to page of GOT slot. 455 ARM64_RELOC_GOT_LOAD_PAGE21 = 5, 456 // Offset within page of GOT slot, scaled by r_length. 457 ARM64_RELOC_GOT_LOAD_PAGEOFF12 = 6, 458 // For pointers to GOT slots. 459 ARM64_RELOC_POINTER_TO_GOT = 7, 460 // PC-rel distance to page of TLVP slot. 461 ARM64_RELOC_TLVP_LOAD_PAGE21 = 8, 462 // Offset within page of TLVP slot, scaled by r_length. 463 ARM64_RELOC_TLVP_LOAD_PAGEOFF12 = 9, 464 // Must be followed by ARM64_RELOC_PAGE21 or ARM64_RELOC_PAGEOFF12. 465 ARM64_RELOC_ADDEND = 10, 466 467 // Constant values for the r_type field in an x86_64 architecture 468 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 469 // structure 470 X86_64_RELOC_UNSIGNED = 0, 471 X86_64_RELOC_SIGNED = 1, 472 X86_64_RELOC_BRANCH = 2, 473 X86_64_RELOC_GOT_LOAD = 3, 474 X86_64_RELOC_GOT = 4, 475 X86_64_RELOC_SUBTRACTOR = 5, 476 X86_64_RELOC_SIGNED_1 = 6, 477 X86_64_RELOC_SIGNED_2 = 7, 478 X86_64_RELOC_SIGNED_4 = 8, 479 X86_64_RELOC_TLV = 9 480 }; 481 482 // Values for segment_command.initprot. 483 // From <mach/vm_prot.h> 484 enum { 485 VM_PROT_READ = 0x1, 486 VM_PROT_WRITE = 0x2, 487 VM_PROT_EXECUTE = 0x4 488 }; 489 490 // Values for platform field in build_version_command. 491 enum { 492 PLATFORM_MACOS = 1, 493 PLATFORM_IOS = 2, 494 PLATFORM_TVOS = 3, 495 PLATFORM_WATCHOS = 4, 496 PLATFORM_BRIDGEOS = 5 497 }; 498 499 // Values for tools enum in build_tool_version. 500 enum { 501 TOOL_CLANG = 1, 502 TOOL_SWIFT = 2, 503 TOOL_LD = 3 504 }; 505 506 // Structs from <mach-o/loader.h> 507 508 struct mach_header { 509 uint32_t magic; 510 uint32_t cputype; 511 uint32_t cpusubtype; 512 uint32_t filetype; 513 uint32_t ncmds; 514 uint32_t sizeofcmds; 515 uint32_t flags; 516 }; 517 518 struct mach_header_64 { 519 uint32_t magic; 520 uint32_t cputype; 521 uint32_t cpusubtype; 522 uint32_t filetype; 523 uint32_t ncmds; 524 uint32_t sizeofcmds; 525 uint32_t flags; 526 uint32_t reserved; 527 }; 528 529 struct load_command { 530 uint32_t cmd; 531 uint32_t cmdsize; 532 }; 533 534 struct segment_command { 535 uint32_t cmd; 536 uint32_t cmdsize; 537 char segname[16]; 538 uint32_t vmaddr; 539 uint32_t vmsize; 540 uint32_t fileoff; 541 uint32_t filesize; 542 uint32_t maxprot; 543 uint32_t initprot; 544 uint32_t nsects; 545 uint32_t flags; 546 }; 547 548 struct segment_command_64 { 549 uint32_t cmd; 550 uint32_t cmdsize; 551 char segname[16]; 552 uint64_t vmaddr; 553 uint64_t vmsize; 554 uint64_t fileoff; 555 uint64_t filesize; 556 uint32_t maxprot; 557 uint32_t initprot; 558 uint32_t nsects; 559 uint32_t flags; 560 }; 561 562 struct section { 563 char sectname[16]; 564 char segname[16]; 565 uint32_t addr; 566 uint32_t size; 567 uint32_t offset; 568 uint32_t align; 569 uint32_t reloff; 570 uint32_t nreloc; 571 uint32_t flags; 572 uint32_t reserved1; 573 uint32_t reserved2; 574 }; 575 576 struct section_64 { 577 char sectname[16]; 578 char segname[16]; 579 uint64_t addr; 580 uint64_t size; 581 uint32_t offset; 582 uint32_t align; 583 uint32_t reloff; 584 uint32_t nreloc; 585 uint32_t flags; 586 uint32_t reserved1; 587 uint32_t reserved2; 588 uint32_t reserved3; 589 }; 590 591 struct fvmlib { 592 uint32_t name; 593 uint32_t minor_version; 594 uint32_t header_addr; 595 }; 596 597 // The fvmlib_command is obsolete and no longer supported. 598 struct fvmlib_command { 599 uint32_t cmd; 600 uint32_t cmdsize; 601 struct fvmlib fvmlib; 602 }; 603 604 struct dylib { 605 uint32_t name; 606 uint32_t timestamp; 607 uint32_t current_version; 608 uint32_t compatibility_version; 609 }; 610 611 struct dylib_command { 612 uint32_t cmd; 613 uint32_t cmdsize; 614 struct dylib dylib; 615 }; 616 617 struct sub_framework_command { 618 uint32_t cmd; 619 uint32_t cmdsize; 620 uint32_t umbrella; 621 }; 622 623 struct sub_client_command { 624 uint32_t cmd; 625 uint32_t cmdsize; 626 uint32_t client; 627 }; 628 629 struct sub_umbrella_command { 630 uint32_t cmd; 631 uint32_t cmdsize; 632 uint32_t sub_umbrella; 633 }; 634 635 struct sub_library_command { 636 uint32_t cmd; 637 uint32_t cmdsize; 638 uint32_t sub_library; 639 }; 640 641 // The prebound_dylib_command is obsolete and no longer supported. 642 struct prebound_dylib_command { 643 uint32_t cmd; 644 uint32_t cmdsize; 645 uint32_t name; 646 uint32_t nmodules; 647 uint32_t linked_modules; 648 }; 649 650 struct dylinker_command { 651 uint32_t cmd; 652 uint32_t cmdsize; 653 uint32_t name; 654 }; 655 656 struct thread_command { 657 uint32_t cmd; 658 uint32_t cmdsize; 659 }; 660 661 struct routines_command { 662 uint32_t cmd; 663 uint32_t cmdsize; 664 uint32_t init_address; 665 uint32_t init_module; 666 uint32_t reserved1; 667 uint32_t reserved2; 668 uint32_t reserved3; 669 uint32_t reserved4; 670 uint32_t reserved5; 671 uint32_t reserved6; 672 }; 673 674 struct routines_command_64 { 675 uint32_t cmd; 676 uint32_t cmdsize; 677 uint64_t init_address; 678 uint64_t init_module; 679 uint64_t reserved1; 680 uint64_t reserved2; 681 uint64_t reserved3; 682 uint64_t reserved4; 683 uint64_t reserved5; 684 uint64_t reserved6; 685 }; 686 687 struct symtab_command { 688 uint32_t cmd; 689 uint32_t cmdsize; 690 uint32_t symoff; 691 uint32_t nsyms; 692 uint32_t stroff; 693 uint32_t strsize; 694 }; 695 696 struct dysymtab_command { 697 uint32_t cmd; 698 uint32_t cmdsize; 699 uint32_t ilocalsym; 700 uint32_t nlocalsym; 701 uint32_t iextdefsym; 702 uint32_t nextdefsym; 703 uint32_t iundefsym; 704 uint32_t nundefsym; 705 uint32_t tocoff; 706 uint32_t ntoc; 707 uint32_t modtaboff; 708 uint32_t nmodtab; 709 uint32_t extrefsymoff; 710 uint32_t nextrefsyms; 711 uint32_t indirectsymoff; 712 uint32_t nindirectsyms; 713 uint32_t extreloff; 714 uint32_t nextrel; 715 uint32_t locreloff; 716 uint32_t nlocrel; 717 }; 718 719 struct dylib_table_of_contents { 720 uint32_t symbol_index; 721 uint32_t module_index; 722 }; 723 724 struct dylib_module { 725 uint32_t module_name; 726 uint32_t iextdefsym; 727 uint32_t nextdefsym; 728 uint32_t irefsym; 729 uint32_t nrefsym; 730 uint32_t ilocalsym; 731 uint32_t nlocalsym; 732 uint32_t iextrel; 733 uint32_t nextrel; 734 uint32_t iinit_iterm; 735 uint32_t ninit_nterm; 736 uint32_t objc_module_info_addr; 737 uint32_t objc_module_info_size; 738 }; 739 740 struct dylib_module_64 { 741 uint32_t module_name; 742 uint32_t iextdefsym; 743 uint32_t nextdefsym; 744 uint32_t irefsym; 745 uint32_t nrefsym; 746 uint32_t ilocalsym; 747 uint32_t nlocalsym; 748 uint32_t iextrel; 749 uint32_t nextrel; 750 uint32_t iinit_iterm; 751 uint32_t ninit_nterm; 752 uint32_t objc_module_info_size; 753 uint64_t objc_module_info_addr; 754 }; 755 756 struct dylib_reference { 757 uint32_t isym:24, 758 flags:8; 759 }; 760 761 // The twolevel_hints_command is obsolete and no longer supported. 762 struct twolevel_hints_command { 763 uint32_t cmd; 764 uint32_t cmdsize; 765 uint32_t offset; 766 uint32_t nhints; 767 }; 768 769 // The twolevel_hints_command is obsolete and no longer supported. 770 struct twolevel_hint { 771 uint32_t isub_image:8, 772 itoc:24; 773 }; 774 775 // The prebind_cksum_command is obsolete and no longer supported. 776 struct prebind_cksum_command { 777 uint32_t cmd; 778 uint32_t cmdsize; 779 uint32_t cksum; 780 }; 781 782 struct uuid_command { 783 uint32_t cmd; 784 uint32_t cmdsize; 785 uint8_t uuid[16]; 786 }; 787 788 struct rpath_command { 789 uint32_t cmd; 790 uint32_t cmdsize; 791 uint32_t path; 792 }; 793 794 struct linkedit_data_command { 795 uint32_t cmd; 796 uint32_t cmdsize; 797 uint32_t dataoff; 798 uint32_t datasize; 799 }; 800 801 struct data_in_code_entry { 802 uint32_t offset; 803 uint16_t length; 804 uint16_t kind; 805 }; 806 807 struct source_version_command { 808 uint32_t cmd; 809 uint32_t cmdsize; 810 uint64_t version; 811 }; 812 813 struct encryption_info_command { 814 uint32_t cmd; 815 uint32_t cmdsize; 816 uint32_t cryptoff; 817 uint32_t cryptsize; 818 uint32_t cryptid; 819 }; 820 821 struct encryption_info_command_64 { 822 uint32_t cmd; 823 uint32_t cmdsize; 824 uint32_t cryptoff; 825 uint32_t cryptsize; 826 uint32_t cryptid; 827 uint32_t pad; 828 }; 829 830 struct version_min_command { 831 uint32_t cmd; // LC_VERSION_MIN_MACOSX or 832 // LC_VERSION_MIN_IPHONEOS 833 uint32_t cmdsize; // sizeof(struct version_min_command) 834 uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz 835 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz 836 }; 837 838 struct note_command { 839 uint32_t cmd; // LC_NOTE 840 uint32_t cmdsize; // sizeof(struct note_command) 841 char data_owner[16]; // owner name for this LC_NOTE 842 uint64_t offset; // file offset of this data 843 uint64_t size; // length of data region 844 }; 845 846 struct build_tool_version { 847 uint32_t tool; // enum for the tool 848 uint32_t version; // version of the tool 849 }; 850 851 struct build_version_command { 852 uint32_t cmd; // LC_BUILD_VERSION 853 uint32_t cmdsize; // sizeof(struct build_version_command) + 854 // ntools * sizeof(struct build_tool_version) 855 uint32_t platform; // platform 856 uint32_t minos; // X.Y.Z is encoded in nibbles xxxx.yy.zz 857 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz 858 uint32_t ntools; // number of tool entries following this 859 }; 860 861 struct dyld_info_command { 862 uint32_t cmd; 863 uint32_t cmdsize; 864 uint32_t rebase_off; 865 uint32_t rebase_size; 866 uint32_t bind_off; 867 uint32_t bind_size; 868 uint32_t weak_bind_off; 869 uint32_t weak_bind_size; 870 uint32_t lazy_bind_off; 871 uint32_t lazy_bind_size; 872 uint32_t export_off; 873 uint32_t export_size; 874 }; 875 876 struct linker_option_command { 877 uint32_t cmd; 878 uint32_t cmdsize; 879 uint32_t count; 880 }; 881 882 // The symseg_command is obsolete and no longer supported. 883 struct symseg_command { 884 uint32_t cmd; 885 uint32_t cmdsize; 886 uint32_t offset; 887 uint32_t size; 888 }; 889 890 // The ident_command is obsolete and no longer supported. 891 struct ident_command { 892 uint32_t cmd; 893 uint32_t cmdsize; 894 }; 895 896 // The fvmfile_command is obsolete and no longer supported. 897 struct fvmfile_command { 898 uint32_t cmd; 899 uint32_t cmdsize; 900 uint32_t name; 901 uint32_t header_addr; 902 }; 903 904 struct tlv_descriptor_32 { 905 uint32_t thunk; 906 uint32_t key; 907 uint32_t offset; 908 }; 909 910 struct tlv_descriptor_64 { 911 uint64_t thunk; 912 uint64_t key; 913 uint64_t offset; 914 }; 915 916 struct tlv_descriptor { 917 uintptr_t thunk; 918 uintptr_t key; 919 uintptr_t offset; 920 }; 921 922 struct entry_point_command { 923 uint32_t cmd; 924 uint32_t cmdsize; 925 uint64_t entryoff; 926 uint64_t stacksize; 927 }; 928 929 // Structs from <mach-o/fat.h> 930 struct fat_header { 931 uint32_t magic; 932 uint32_t nfat_arch; 933 }; 934 935 struct fat_arch { 936 uint32_t cputype; 937 uint32_t cpusubtype; 938 uint32_t offset; 939 uint32_t size; 940 uint32_t align; 941 }; 942 943 struct fat_arch_64 { 944 uint32_t cputype; 945 uint32_t cpusubtype; 946 uint64_t offset; 947 uint64_t size; 948 uint32_t align; 949 uint32_t reserved; 950 }; 951 952 // Structs from <mach-o/reloc.h> 953 struct relocation_info { 954 int32_t r_address; 955 uint32_t r_symbolnum:24, 956 r_pcrel:1, 957 r_length:2, 958 r_extern:1, 959 r_type:4; 960 }; 961 962 struct scattered_relocation_info { 963 #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && (BYTE_ORDER == BIG_ENDIAN) 964 uint32_t r_scattered:1, 965 r_pcrel:1, 966 r_length:2, 967 r_type:4, 968 r_address:24; 969 #else 970 uint32_t r_address:24, 971 r_type:4, 972 r_length:2, 973 r_pcrel:1, 974 r_scattered:1; 975 #endif 976 int32_t r_value; 977 }; 978 979 // Structs NOT from <mach-o/reloc.h>, but that make LLVM's life easier 980 struct any_relocation_info { 981 uint32_t r_word0, r_word1; 982 }; 983 984 // Structs from <mach-o/nlist.h> 985 struct nlist_base { 986 uint32_t n_strx; 987 uint8_t n_type; 988 uint8_t n_sect; 989 uint16_t n_desc; 990 }; 991 992 struct nlist { 993 uint32_t n_strx; 994 uint8_t n_type; 995 uint8_t n_sect; 996 int16_t n_desc; 997 uint32_t n_value; 998 }; 999 1000 struct nlist_64 { 1001 uint32_t n_strx; 1002 uint8_t n_type; 1003 uint8_t n_sect; 1004 uint16_t n_desc; 1005 uint64_t n_value; 1006 }; 1007 1008 // Byte order swapping functions for MachO structs 1009 1010 inline void swapStruct(fat_header &mh) { 1011 sys::swapByteOrder(mh.magic); 1012 sys::swapByteOrder(mh.nfat_arch); 1013 } 1014 1015 inline void swapStruct(fat_arch &mh) { 1016 sys::swapByteOrder(mh.cputype); 1017 sys::swapByteOrder(mh.cpusubtype); 1018 sys::swapByteOrder(mh.offset); 1019 sys::swapByteOrder(mh.size); 1020 sys::swapByteOrder(mh.align); 1021 } 1022 1023 inline void swapStruct(fat_arch_64 &mh) { 1024 sys::swapByteOrder(mh.cputype); 1025 sys::swapByteOrder(mh.cpusubtype); 1026 sys::swapByteOrder(mh.offset); 1027 sys::swapByteOrder(mh.size); 1028 sys::swapByteOrder(mh.align); 1029 sys::swapByteOrder(mh.reserved); 1030 } 1031 1032 inline void swapStruct(mach_header &mh) { 1033 sys::swapByteOrder(mh.magic); 1034 sys::swapByteOrder(mh.cputype); 1035 sys::swapByteOrder(mh.cpusubtype); 1036 sys::swapByteOrder(mh.filetype); 1037 sys::swapByteOrder(mh.ncmds); 1038 sys::swapByteOrder(mh.sizeofcmds); 1039 sys::swapByteOrder(mh.flags); 1040 } 1041 1042 inline void swapStruct(mach_header_64 &H) { 1043 sys::swapByteOrder(H.magic); 1044 sys::swapByteOrder(H.cputype); 1045 sys::swapByteOrder(H.cpusubtype); 1046 sys::swapByteOrder(H.filetype); 1047 sys::swapByteOrder(H.ncmds); 1048 sys::swapByteOrder(H.sizeofcmds); 1049 sys::swapByteOrder(H.flags); 1050 sys::swapByteOrder(H.reserved); 1051 } 1052 1053 inline void swapStruct(load_command &lc) { 1054 sys::swapByteOrder(lc.cmd); 1055 sys::swapByteOrder(lc.cmdsize); 1056 } 1057 1058 inline void swapStruct(symtab_command &lc) { 1059 sys::swapByteOrder(lc.cmd); 1060 sys::swapByteOrder(lc.cmdsize); 1061 sys::swapByteOrder(lc.symoff); 1062 sys::swapByteOrder(lc.nsyms); 1063 sys::swapByteOrder(lc.stroff); 1064 sys::swapByteOrder(lc.strsize); 1065 } 1066 1067 inline void swapStruct(segment_command_64 &seg) { 1068 sys::swapByteOrder(seg.cmd); 1069 sys::swapByteOrder(seg.cmdsize); 1070 sys::swapByteOrder(seg.vmaddr); 1071 sys::swapByteOrder(seg.vmsize); 1072 sys::swapByteOrder(seg.fileoff); 1073 sys::swapByteOrder(seg.filesize); 1074 sys::swapByteOrder(seg.maxprot); 1075 sys::swapByteOrder(seg.initprot); 1076 sys::swapByteOrder(seg.nsects); 1077 sys::swapByteOrder(seg.flags); 1078 } 1079 1080 inline void swapStruct(segment_command &seg) { 1081 sys::swapByteOrder(seg.cmd); 1082 sys::swapByteOrder(seg.cmdsize); 1083 sys::swapByteOrder(seg.vmaddr); 1084 sys::swapByteOrder(seg.vmsize); 1085 sys::swapByteOrder(seg.fileoff); 1086 sys::swapByteOrder(seg.filesize); 1087 sys::swapByteOrder(seg.maxprot); 1088 sys::swapByteOrder(seg.initprot); 1089 sys::swapByteOrder(seg.nsects); 1090 sys::swapByteOrder(seg.flags); 1091 } 1092 1093 inline void swapStruct(section_64 §) { 1094 sys::swapByteOrder(sect.addr); 1095 sys::swapByteOrder(sect.size); 1096 sys::swapByteOrder(sect.offset); 1097 sys::swapByteOrder(sect.align); 1098 sys::swapByteOrder(sect.reloff); 1099 sys::swapByteOrder(sect.nreloc); 1100 sys::swapByteOrder(sect.flags); 1101 sys::swapByteOrder(sect.reserved1); 1102 sys::swapByteOrder(sect.reserved2); 1103 } 1104 1105 inline void swapStruct(section §) { 1106 sys::swapByteOrder(sect.addr); 1107 sys::swapByteOrder(sect.size); 1108 sys::swapByteOrder(sect.offset); 1109 sys::swapByteOrder(sect.align); 1110 sys::swapByteOrder(sect.reloff); 1111 sys::swapByteOrder(sect.nreloc); 1112 sys::swapByteOrder(sect.flags); 1113 sys::swapByteOrder(sect.reserved1); 1114 sys::swapByteOrder(sect.reserved2); 1115 } 1116 1117 inline void swapStruct(dyld_info_command &info) { 1118 sys::swapByteOrder(info.cmd); 1119 sys::swapByteOrder(info.cmdsize); 1120 sys::swapByteOrder(info.rebase_off); 1121 sys::swapByteOrder(info.rebase_size); 1122 sys::swapByteOrder(info.bind_off); 1123 sys::swapByteOrder(info.bind_size); 1124 sys::swapByteOrder(info.weak_bind_off); 1125 sys::swapByteOrder(info.weak_bind_size); 1126 sys::swapByteOrder(info.lazy_bind_off); 1127 sys::swapByteOrder(info.lazy_bind_size); 1128 sys::swapByteOrder(info.export_off); 1129 sys::swapByteOrder(info.export_size); 1130 } 1131 1132 inline void swapStruct(dylib_command &d) { 1133 sys::swapByteOrder(d.cmd); 1134 sys::swapByteOrder(d.cmdsize); 1135 sys::swapByteOrder(d.dylib.name); 1136 sys::swapByteOrder(d.dylib.timestamp); 1137 sys::swapByteOrder(d.dylib.current_version); 1138 sys::swapByteOrder(d.dylib.compatibility_version); 1139 } 1140 1141 inline void swapStruct(sub_framework_command &s) { 1142 sys::swapByteOrder(s.cmd); 1143 sys::swapByteOrder(s.cmdsize); 1144 sys::swapByteOrder(s.umbrella); 1145 } 1146 1147 inline void swapStruct(sub_umbrella_command &s) { 1148 sys::swapByteOrder(s.cmd); 1149 sys::swapByteOrder(s.cmdsize); 1150 sys::swapByteOrder(s.sub_umbrella); 1151 } 1152 1153 inline void swapStruct(sub_library_command &s) { 1154 sys::swapByteOrder(s.cmd); 1155 sys::swapByteOrder(s.cmdsize); 1156 sys::swapByteOrder(s.sub_library); 1157 } 1158 1159 inline void swapStruct(sub_client_command &s) { 1160 sys::swapByteOrder(s.cmd); 1161 sys::swapByteOrder(s.cmdsize); 1162 sys::swapByteOrder(s.client); 1163 } 1164 1165 inline void swapStruct(routines_command &r) { 1166 sys::swapByteOrder(r.cmd); 1167 sys::swapByteOrder(r.cmdsize); 1168 sys::swapByteOrder(r.init_address); 1169 sys::swapByteOrder(r.init_module); 1170 sys::swapByteOrder(r.reserved1); 1171 sys::swapByteOrder(r.reserved2); 1172 sys::swapByteOrder(r.reserved3); 1173 sys::swapByteOrder(r.reserved4); 1174 sys::swapByteOrder(r.reserved5); 1175 sys::swapByteOrder(r.reserved6); 1176 } 1177 1178 inline void swapStruct(routines_command_64 &r) { 1179 sys::swapByteOrder(r.cmd); 1180 sys::swapByteOrder(r.cmdsize); 1181 sys::swapByteOrder(r.init_address); 1182 sys::swapByteOrder(r.init_module); 1183 sys::swapByteOrder(r.reserved1); 1184 sys::swapByteOrder(r.reserved2); 1185 sys::swapByteOrder(r.reserved3); 1186 sys::swapByteOrder(r.reserved4); 1187 sys::swapByteOrder(r.reserved5); 1188 sys::swapByteOrder(r.reserved6); 1189 } 1190 1191 inline void swapStruct(thread_command &t) { 1192 sys::swapByteOrder(t.cmd); 1193 sys::swapByteOrder(t.cmdsize); 1194 } 1195 1196 inline void swapStruct(dylinker_command &d) { 1197 sys::swapByteOrder(d.cmd); 1198 sys::swapByteOrder(d.cmdsize); 1199 sys::swapByteOrder(d.name); 1200 } 1201 1202 inline void swapStruct(uuid_command &u) { 1203 sys::swapByteOrder(u.cmd); 1204 sys::swapByteOrder(u.cmdsize); 1205 } 1206 1207 inline void swapStruct(rpath_command &r) { 1208 sys::swapByteOrder(r.cmd); 1209 sys::swapByteOrder(r.cmdsize); 1210 sys::swapByteOrder(r.path); 1211 } 1212 1213 inline void swapStruct(source_version_command &s) { 1214 sys::swapByteOrder(s.cmd); 1215 sys::swapByteOrder(s.cmdsize); 1216 sys::swapByteOrder(s.version); 1217 } 1218 1219 inline void swapStruct(entry_point_command &e) { 1220 sys::swapByteOrder(e.cmd); 1221 sys::swapByteOrder(e.cmdsize); 1222 sys::swapByteOrder(e.entryoff); 1223 sys::swapByteOrder(e.stacksize); 1224 } 1225 1226 inline void swapStruct(encryption_info_command &e) { 1227 sys::swapByteOrder(e.cmd); 1228 sys::swapByteOrder(e.cmdsize); 1229 sys::swapByteOrder(e.cryptoff); 1230 sys::swapByteOrder(e.cryptsize); 1231 sys::swapByteOrder(e.cryptid); 1232 } 1233 1234 inline void swapStruct(encryption_info_command_64 &e) { 1235 sys::swapByteOrder(e.cmd); 1236 sys::swapByteOrder(e.cmdsize); 1237 sys::swapByteOrder(e.cryptoff); 1238 sys::swapByteOrder(e.cryptsize); 1239 sys::swapByteOrder(e.cryptid); 1240 sys::swapByteOrder(e.pad); 1241 } 1242 1243 inline void swapStruct(dysymtab_command &dst) { 1244 sys::swapByteOrder(dst.cmd); 1245 sys::swapByteOrder(dst.cmdsize); 1246 sys::swapByteOrder(dst.ilocalsym); 1247 sys::swapByteOrder(dst.nlocalsym); 1248 sys::swapByteOrder(dst.iextdefsym); 1249 sys::swapByteOrder(dst.nextdefsym); 1250 sys::swapByteOrder(dst.iundefsym); 1251 sys::swapByteOrder(dst.nundefsym); 1252 sys::swapByteOrder(dst.tocoff); 1253 sys::swapByteOrder(dst.ntoc); 1254 sys::swapByteOrder(dst.modtaboff); 1255 sys::swapByteOrder(dst.nmodtab); 1256 sys::swapByteOrder(dst.extrefsymoff); 1257 sys::swapByteOrder(dst.nextrefsyms); 1258 sys::swapByteOrder(dst.indirectsymoff); 1259 sys::swapByteOrder(dst.nindirectsyms); 1260 sys::swapByteOrder(dst.extreloff); 1261 sys::swapByteOrder(dst.nextrel); 1262 sys::swapByteOrder(dst.locreloff); 1263 sys::swapByteOrder(dst.nlocrel); 1264 } 1265 1266 inline void swapStruct(any_relocation_info &reloc) { 1267 sys::swapByteOrder(reloc.r_word0); 1268 sys::swapByteOrder(reloc.r_word1); 1269 } 1270 1271 inline void swapStruct(nlist_base &S) { 1272 sys::swapByteOrder(S.n_strx); 1273 sys::swapByteOrder(S.n_desc); 1274 } 1275 1276 inline void swapStruct(nlist &sym) { 1277 sys::swapByteOrder(sym.n_strx); 1278 sys::swapByteOrder(sym.n_desc); 1279 sys::swapByteOrder(sym.n_value); 1280 } 1281 1282 inline void swapStruct(nlist_64 &sym) { 1283 sys::swapByteOrder(sym.n_strx); 1284 sys::swapByteOrder(sym.n_desc); 1285 sys::swapByteOrder(sym.n_value); 1286 } 1287 1288 inline void swapStruct(linkedit_data_command &C) { 1289 sys::swapByteOrder(C.cmd); 1290 sys::swapByteOrder(C.cmdsize); 1291 sys::swapByteOrder(C.dataoff); 1292 sys::swapByteOrder(C.datasize); 1293 } 1294 1295 inline void swapStruct(linker_option_command &C) { 1296 sys::swapByteOrder(C.cmd); 1297 sys::swapByteOrder(C.cmdsize); 1298 sys::swapByteOrder(C.count); 1299 } 1300 1301 inline void swapStruct(version_min_command&C) { 1302 sys::swapByteOrder(C.cmd); 1303 sys::swapByteOrder(C.cmdsize); 1304 sys::swapByteOrder(C.version); 1305 sys::swapByteOrder(C.sdk); 1306 } 1307 1308 inline void swapStruct(note_command &C) { 1309 sys::swapByteOrder(C.cmd); 1310 sys::swapByteOrder(C.cmdsize); 1311 sys::swapByteOrder(C.offset); 1312 sys::swapByteOrder(C.size); 1313 } 1314 1315 inline void swapStruct(build_version_command&C) { 1316 sys::swapByteOrder(C.cmd); 1317 sys::swapByteOrder(C.cmdsize); 1318 sys::swapByteOrder(C.platform); 1319 sys::swapByteOrder(C.minos); 1320 sys::swapByteOrder(C.sdk); 1321 sys::swapByteOrder(C.ntools); 1322 } 1323 1324 inline void swapStruct(build_tool_version&C) { 1325 sys::swapByteOrder(C.tool); 1326 sys::swapByteOrder(C.version); 1327 } 1328 1329 inline void swapStruct(data_in_code_entry &C) { 1330 sys::swapByteOrder(C.offset); 1331 sys::swapByteOrder(C.length); 1332 sys::swapByteOrder(C.kind); 1333 } 1334 1335 inline void swapStruct(uint32_t &C) { 1336 sys::swapByteOrder(C); 1337 } 1338 1339 // The prebind_cksum_command is obsolete and no longer supported. 1340 inline void swapStruct(prebind_cksum_command &C) { 1341 sys::swapByteOrder(C.cmd); 1342 sys::swapByteOrder(C.cmdsize); 1343 sys::swapByteOrder(C.cksum); 1344 } 1345 1346 // The twolevel_hints_command is obsolete and no longer supported. 1347 inline void swapStruct(twolevel_hints_command &C) { 1348 sys::swapByteOrder(C.cmd); 1349 sys::swapByteOrder(C.cmdsize); 1350 sys::swapByteOrder(C.offset); 1351 sys::swapByteOrder(C.nhints); 1352 } 1353 1354 // The prebound_dylib_command is obsolete and no longer supported. 1355 inline void swapStruct(prebound_dylib_command &C) { 1356 sys::swapByteOrder(C.cmd); 1357 sys::swapByteOrder(C.cmdsize); 1358 sys::swapByteOrder(C.name); 1359 sys::swapByteOrder(C.nmodules); 1360 sys::swapByteOrder(C.linked_modules); 1361 } 1362 1363 // The fvmfile_command is obsolete and no longer supported. 1364 inline void swapStruct(fvmfile_command &C) { 1365 sys::swapByteOrder(C.cmd); 1366 sys::swapByteOrder(C.cmdsize); 1367 sys::swapByteOrder(C.name); 1368 sys::swapByteOrder(C.header_addr); 1369 } 1370 1371 // The symseg_command is obsolete and no longer supported. 1372 inline void swapStruct(symseg_command &C) { 1373 sys::swapByteOrder(C.cmd); 1374 sys::swapByteOrder(C.cmdsize); 1375 sys::swapByteOrder(C.offset); 1376 sys::swapByteOrder(C.size); 1377 } 1378 1379 // The ident_command is obsolete and no longer supported. 1380 inline void swapStruct(ident_command &C) { 1381 sys::swapByteOrder(C.cmd); 1382 sys::swapByteOrder(C.cmdsize); 1383 } 1384 1385 inline void swapStruct(fvmlib &C) { 1386 sys::swapByteOrder(C.name); 1387 sys::swapByteOrder(C.minor_version); 1388 sys::swapByteOrder(C.header_addr); 1389 } 1390 1391 // The fvmlib_command is obsolete and no longer supported. 1392 inline void swapStruct(fvmlib_command &C) { 1393 sys::swapByteOrder(C.cmd); 1394 sys::swapByteOrder(C.cmdsize); 1395 swapStruct(C.fvmlib); 1396 } 1397 1398 // Get/Set functions from <mach-o/nlist.h> 1399 1400 static inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc) { 1401 return (((n_desc) >> 8u) & 0xffu); 1402 } 1403 1404 static inline void SET_LIBRARY_ORDINAL(uint16_t &n_desc, uint8_t ordinal) { 1405 n_desc = (((n_desc) & 0x00ff) | (((ordinal) & 0xff) << 8)); 1406 } 1407 1408 static inline uint8_t GET_COMM_ALIGN (uint16_t n_desc) { 1409 return (n_desc >> 8u) & 0x0fu; 1410 } 1411 1412 static inline void SET_COMM_ALIGN (uint16_t &n_desc, uint8_t align) { 1413 n_desc = ((n_desc & 0xf0ffu) | ((align & 0x0fu) << 8u)); 1414 } 1415 1416 // Enums from <mach/machine.h> 1417 enum : uint32_t { 1418 // Capability bits used in the definition of cpu_type. 1419 CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits 1420 CPU_ARCH_ABI64 = 0x01000000 // 64 bit ABI 1421 }; 1422 1423 // Constants for the cputype field. 1424 enum CPUType { 1425 CPU_TYPE_ANY = -1, 1426 CPU_TYPE_X86 = 7, 1427 CPU_TYPE_I386 = CPU_TYPE_X86, 1428 CPU_TYPE_X86_64 = CPU_TYPE_X86 | CPU_ARCH_ABI64, 1429 /* CPU_TYPE_MIPS = 8, */ 1430 CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC 1431 CPU_TYPE_ARM = 12, 1432 CPU_TYPE_ARM64 = CPU_TYPE_ARM | CPU_ARCH_ABI64, 1433 CPU_TYPE_SPARC = 14, 1434 CPU_TYPE_POWERPC = 18, 1435 CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64 1436 }; 1437 1438 enum : uint32_t { 1439 // Capability bits used in the definition of cpusubtype. 1440 CPU_SUBTYPE_MASK = 0xff000000, // Mask for architecture bits 1441 CPU_SUBTYPE_LIB64 = 0x80000000, // 64 bit libraries 1442 1443 // Special CPU subtype constants. 1444 CPU_SUBTYPE_MULTIPLE = ~0u 1445 }; 1446 1447 // Constants for the cpusubtype field. 1448 enum CPUSubTypeX86 { 1449 CPU_SUBTYPE_I386_ALL = 3, 1450 CPU_SUBTYPE_386 = 3, 1451 CPU_SUBTYPE_486 = 4, 1452 CPU_SUBTYPE_486SX = 0x84, 1453 CPU_SUBTYPE_586 = 5, 1454 CPU_SUBTYPE_PENT = CPU_SUBTYPE_586, 1455 CPU_SUBTYPE_PENTPRO = 0x16, 1456 CPU_SUBTYPE_PENTII_M3 = 0x36, 1457 CPU_SUBTYPE_PENTII_M5 = 0x56, 1458 CPU_SUBTYPE_CELERON = 0x67, 1459 CPU_SUBTYPE_CELERON_MOBILE = 0x77, 1460 CPU_SUBTYPE_PENTIUM_3 = 0x08, 1461 CPU_SUBTYPE_PENTIUM_3_M = 0x18, 1462 CPU_SUBTYPE_PENTIUM_3_XEON = 0x28, 1463 CPU_SUBTYPE_PENTIUM_M = 0x09, 1464 CPU_SUBTYPE_PENTIUM_4 = 0x0a, 1465 CPU_SUBTYPE_PENTIUM_4_M = 0x1a, 1466 CPU_SUBTYPE_ITANIUM = 0x0b, 1467 CPU_SUBTYPE_ITANIUM_2 = 0x1b, 1468 CPU_SUBTYPE_XEON = 0x0c, 1469 CPU_SUBTYPE_XEON_MP = 0x1c, 1470 1471 CPU_SUBTYPE_X86_ALL = 3, 1472 CPU_SUBTYPE_X86_64_ALL = 3, 1473 CPU_SUBTYPE_X86_ARCH1 = 4, 1474 CPU_SUBTYPE_X86_64_H = 8 1475 }; 1476 static inline int CPU_SUBTYPE_INTEL(int Family, int Model) { 1477 return Family | (Model << 4); 1478 } 1479 static inline int CPU_SUBTYPE_INTEL_FAMILY(CPUSubTypeX86 ST) { 1480 return ((int)ST) & 0x0f; 1481 } 1482 static inline int CPU_SUBTYPE_INTEL_MODEL(CPUSubTypeX86 ST) { 1483 return ((int)ST) >> 4; 1484 } 1485 enum { 1486 CPU_SUBTYPE_INTEL_FAMILY_MAX = 15, 1487 CPU_SUBTYPE_INTEL_MODEL_ALL = 0 1488 }; 1489 1490 enum CPUSubTypeARM { 1491 CPU_SUBTYPE_ARM_ALL = 0, 1492 CPU_SUBTYPE_ARM_V4T = 5, 1493 CPU_SUBTYPE_ARM_V6 = 6, 1494 CPU_SUBTYPE_ARM_V5 = 7, 1495 CPU_SUBTYPE_ARM_V5TEJ = 7, 1496 CPU_SUBTYPE_ARM_XSCALE = 8, 1497 CPU_SUBTYPE_ARM_V7 = 9, 1498 // unused ARM_V7F = 10, 1499 CPU_SUBTYPE_ARM_V7S = 11, 1500 CPU_SUBTYPE_ARM_V7K = 12, 1501 CPU_SUBTYPE_ARM_V6M = 14, 1502 CPU_SUBTYPE_ARM_V7M = 15, 1503 CPU_SUBTYPE_ARM_V7EM = 16 1504 }; 1505 1506 enum CPUSubTypeARM64 { 1507 CPU_SUBTYPE_ARM64_ALL = 0 1508 }; 1509 1510 enum CPUSubTypeSPARC { 1511 CPU_SUBTYPE_SPARC_ALL = 0 1512 }; 1513 1514 enum CPUSubTypePowerPC { 1515 CPU_SUBTYPE_POWERPC_ALL = 0, 1516 CPU_SUBTYPE_POWERPC_601 = 1, 1517 CPU_SUBTYPE_POWERPC_602 = 2, 1518 CPU_SUBTYPE_POWERPC_603 = 3, 1519 CPU_SUBTYPE_POWERPC_603e = 4, 1520 CPU_SUBTYPE_POWERPC_603ev = 5, 1521 CPU_SUBTYPE_POWERPC_604 = 6, 1522 CPU_SUBTYPE_POWERPC_604e = 7, 1523 CPU_SUBTYPE_POWERPC_620 = 8, 1524 CPU_SUBTYPE_POWERPC_750 = 9, 1525 CPU_SUBTYPE_POWERPC_7400 = 10, 1526 CPU_SUBTYPE_POWERPC_7450 = 11, 1527 CPU_SUBTYPE_POWERPC_970 = 100, 1528 1529 CPU_SUBTYPE_MC980000_ALL = CPU_SUBTYPE_POWERPC_ALL, 1530 CPU_SUBTYPE_MC98601 = CPU_SUBTYPE_POWERPC_601 1531 }; 1532 1533 struct x86_thread_state32_t { 1534 uint32_t eax; 1535 uint32_t ebx; 1536 uint32_t ecx; 1537 uint32_t edx; 1538 uint32_t edi; 1539 uint32_t esi; 1540 uint32_t ebp; 1541 uint32_t esp; 1542 uint32_t ss; 1543 uint32_t eflags; 1544 uint32_t eip; 1545 uint32_t cs; 1546 uint32_t ds; 1547 uint32_t es; 1548 uint32_t fs; 1549 uint32_t gs; 1550 }; 1551 1552 struct x86_thread_state64_t { 1553 uint64_t rax; 1554 uint64_t rbx; 1555 uint64_t rcx; 1556 uint64_t rdx; 1557 uint64_t rdi; 1558 uint64_t rsi; 1559 uint64_t rbp; 1560 uint64_t rsp; 1561 uint64_t r8; 1562 uint64_t r9; 1563 uint64_t r10; 1564 uint64_t r11; 1565 uint64_t r12; 1566 uint64_t r13; 1567 uint64_t r14; 1568 uint64_t r15; 1569 uint64_t rip; 1570 uint64_t rflags; 1571 uint64_t cs; 1572 uint64_t fs; 1573 uint64_t gs; 1574 }; 1575 1576 enum x86_fp_control_precis { 1577 x86_FP_PREC_24B = 0, 1578 x86_FP_PREC_53B = 2, 1579 x86_FP_PREC_64B = 3 1580 }; 1581 1582 enum x86_fp_control_rc { 1583 x86_FP_RND_NEAR = 0, 1584 x86_FP_RND_DOWN = 1, 1585 x86_FP_RND_UP = 2, 1586 x86_FP_CHOP = 3 1587 }; 1588 1589 struct fp_control_t { 1590 unsigned short 1591 invalid :1, 1592 denorm :1, 1593 zdiv :1, 1594 ovrfl :1, 1595 undfl :1, 1596 precis :1, 1597 :2, 1598 pc :2, 1599 rc :2, 1600 :1, 1601 :3; 1602 }; 1603 1604 struct fp_status_t { 1605 unsigned short 1606 invalid :1, 1607 denorm :1, 1608 zdiv :1, 1609 ovrfl :1, 1610 undfl :1, 1611 precis :1, 1612 stkflt :1, 1613 errsumm :1, 1614 c0 :1, 1615 c1 :1, 1616 c2 :1, 1617 tos :3, 1618 c3 :1, 1619 busy :1; 1620 }; 1621 1622 struct mmst_reg_t { 1623 char mmst_reg[10]; 1624 char mmst_rsrv[6]; 1625 }; 1626 1627 struct xmm_reg_t { 1628 char xmm_reg[16]; 1629 }; 1630 1631 struct x86_float_state64_t { 1632 int32_t fpu_reserved[2]; 1633 fp_control_t fpu_fcw; 1634 fp_status_t fpu_fsw; 1635 uint8_t fpu_ftw; 1636 uint8_t fpu_rsrv1; 1637 uint16_t fpu_fop; 1638 uint32_t fpu_ip; 1639 uint16_t fpu_cs; 1640 uint16_t fpu_rsrv2; 1641 uint32_t fpu_dp; 1642 uint16_t fpu_ds; 1643 uint16_t fpu_rsrv3; 1644 uint32_t fpu_mxcsr; 1645 uint32_t fpu_mxcsrmask; 1646 mmst_reg_t fpu_stmm0; 1647 mmst_reg_t fpu_stmm1; 1648 mmst_reg_t fpu_stmm2; 1649 mmst_reg_t fpu_stmm3; 1650 mmst_reg_t fpu_stmm4; 1651 mmst_reg_t fpu_stmm5; 1652 mmst_reg_t fpu_stmm6; 1653 mmst_reg_t fpu_stmm7; 1654 xmm_reg_t fpu_xmm0; 1655 xmm_reg_t fpu_xmm1; 1656 xmm_reg_t fpu_xmm2; 1657 xmm_reg_t fpu_xmm3; 1658 xmm_reg_t fpu_xmm4; 1659 xmm_reg_t fpu_xmm5; 1660 xmm_reg_t fpu_xmm6; 1661 xmm_reg_t fpu_xmm7; 1662 xmm_reg_t fpu_xmm8; 1663 xmm_reg_t fpu_xmm9; 1664 xmm_reg_t fpu_xmm10; 1665 xmm_reg_t fpu_xmm11; 1666 xmm_reg_t fpu_xmm12; 1667 xmm_reg_t fpu_xmm13; 1668 xmm_reg_t fpu_xmm14; 1669 xmm_reg_t fpu_xmm15; 1670 char fpu_rsrv4[6*16]; 1671 uint32_t fpu_reserved1; 1672 }; 1673 1674 struct x86_exception_state64_t { 1675 uint16_t trapno; 1676 uint16_t cpu; 1677 uint32_t err; 1678 uint64_t faultvaddr; 1679 }; 1680 1681 inline void swapStruct(x86_thread_state32_t &x) { 1682 sys::swapByteOrder(x.eax); 1683 sys::swapByteOrder(x.ebx); 1684 sys::swapByteOrder(x.ecx); 1685 sys::swapByteOrder(x.edx); 1686 sys::swapByteOrder(x.edi); 1687 sys::swapByteOrder(x.esi); 1688 sys::swapByteOrder(x.ebp); 1689 sys::swapByteOrder(x.esp); 1690 sys::swapByteOrder(x.ss); 1691 sys::swapByteOrder(x.eflags); 1692 sys::swapByteOrder(x.eip); 1693 sys::swapByteOrder(x.cs); 1694 sys::swapByteOrder(x.ds); 1695 sys::swapByteOrder(x.es); 1696 sys::swapByteOrder(x.fs); 1697 sys::swapByteOrder(x.gs); 1698 } 1699 1700 inline void swapStruct(x86_thread_state64_t &x) { 1701 sys::swapByteOrder(x.rax); 1702 sys::swapByteOrder(x.rbx); 1703 sys::swapByteOrder(x.rcx); 1704 sys::swapByteOrder(x.rdx); 1705 sys::swapByteOrder(x.rdi); 1706 sys::swapByteOrder(x.rsi); 1707 sys::swapByteOrder(x.rbp); 1708 sys::swapByteOrder(x.rsp); 1709 sys::swapByteOrder(x.r8); 1710 sys::swapByteOrder(x.r9); 1711 sys::swapByteOrder(x.r10); 1712 sys::swapByteOrder(x.r11); 1713 sys::swapByteOrder(x.r12); 1714 sys::swapByteOrder(x.r13); 1715 sys::swapByteOrder(x.r14); 1716 sys::swapByteOrder(x.r15); 1717 sys::swapByteOrder(x.rip); 1718 sys::swapByteOrder(x.rflags); 1719 sys::swapByteOrder(x.cs); 1720 sys::swapByteOrder(x.fs); 1721 sys::swapByteOrder(x.gs); 1722 } 1723 1724 inline void swapStruct(x86_float_state64_t &x) { 1725 sys::swapByteOrder(x.fpu_reserved[0]); 1726 sys::swapByteOrder(x.fpu_reserved[1]); 1727 // TODO swap: fp_control_t fpu_fcw; 1728 // TODO swap: fp_status_t fpu_fsw; 1729 sys::swapByteOrder(x.fpu_fop); 1730 sys::swapByteOrder(x.fpu_ip); 1731 sys::swapByteOrder(x.fpu_cs); 1732 sys::swapByteOrder(x.fpu_rsrv2); 1733 sys::swapByteOrder(x.fpu_dp); 1734 sys::swapByteOrder(x.fpu_ds); 1735 sys::swapByteOrder(x.fpu_rsrv3); 1736 sys::swapByteOrder(x.fpu_mxcsr); 1737 sys::swapByteOrder(x.fpu_mxcsrmask); 1738 sys::swapByteOrder(x.fpu_reserved1); 1739 } 1740 1741 inline void swapStruct(x86_exception_state64_t &x) { 1742 sys::swapByteOrder(x.trapno); 1743 sys::swapByteOrder(x.cpu); 1744 sys::swapByteOrder(x.err); 1745 sys::swapByteOrder(x.faultvaddr); 1746 } 1747 1748 struct x86_state_hdr_t { 1749 uint32_t flavor; 1750 uint32_t count; 1751 }; 1752 1753 struct x86_thread_state_t { 1754 x86_state_hdr_t tsh; 1755 union { 1756 x86_thread_state64_t ts64; 1757 x86_thread_state32_t ts32; 1758 } uts; 1759 }; 1760 1761 struct x86_float_state_t { 1762 x86_state_hdr_t fsh; 1763 union { 1764 x86_float_state64_t fs64; 1765 } ufs; 1766 }; 1767 1768 struct x86_exception_state_t { 1769 x86_state_hdr_t esh; 1770 union { 1771 x86_exception_state64_t es64; 1772 } ues; 1773 }; 1774 1775 inline void swapStruct(x86_state_hdr_t &x) { 1776 sys::swapByteOrder(x.flavor); 1777 sys::swapByteOrder(x.count); 1778 } 1779 1780 enum X86ThreadFlavors { 1781 x86_THREAD_STATE32 = 1, 1782 x86_FLOAT_STATE32 = 2, 1783 x86_EXCEPTION_STATE32 = 3, 1784 x86_THREAD_STATE64 = 4, 1785 x86_FLOAT_STATE64 = 5, 1786 x86_EXCEPTION_STATE64 = 6, 1787 x86_THREAD_STATE = 7, 1788 x86_FLOAT_STATE = 8, 1789 x86_EXCEPTION_STATE = 9, 1790 x86_DEBUG_STATE32 = 10, 1791 x86_DEBUG_STATE64 = 11, 1792 x86_DEBUG_STATE = 12 1793 }; 1794 1795 inline void swapStruct(x86_thread_state_t &x) { 1796 swapStruct(x.tsh); 1797 if (x.tsh.flavor == x86_THREAD_STATE64) 1798 swapStruct(x.uts.ts64); 1799 } 1800 1801 inline void swapStruct(x86_float_state_t &x) { 1802 swapStruct(x.fsh); 1803 if (x.fsh.flavor == x86_FLOAT_STATE64) 1804 swapStruct(x.ufs.fs64); 1805 } 1806 1807 inline void swapStruct(x86_exception_state_t &x) { 1808 swapStruct(x.esh); 1809 if (x.esh.flavor == x86_EXCEPTION_STATE64) 1810 swapStruct(x.ues.es64); 1811 } 1812 1813 const uint32_t x86_THREAD_STATE32_COUNT = 1814 sizeof(x86_thread_state32_t) / sizeof(uint32_t); 1815 1816 const uint32_t x86_THREAD_STATE64_COUNT = 1817 sizeof(x86_thread_state64_t) / sizeof(uint32_t); 1818 const uint32_t x86_FLOAT_STATE64_COUNT = 1819 sizeof(x86_float_state64_t) / sizeof(uint32_t); 1820 const uint32_t x86_EXCEPTION_STATE64_COUNT = 1821 sizeof(x86_exception_state64_t) / sizeof(uint32_t); 1822 1823 const uint32_t x86_THREAD_STATE_COUNT = 1824 sizeof(x86_thread_state_t) / sizeof(uint32_t); 1825 const uint32_t x86_FLOAT_STATE_COUNT = 1826 sizeof(x86_float_state_t) / sizeof(uint32_t); 1827 const uint32_t x86_EXCEPTION_STATE_COUNT = 1828 sizeof(x86_exception_state_t) / sizeof(uint32_t); 1829 1830 struct arm_thread_state32_t { 1831 uint32_t r[13]; 1832 uint32_t sp; 1833 uint32_t lr; 1834 uint32_t pc; 1835 uint32_t cpsr; 1836 }; 1837 1838 inline void swapStruct(arm_thread_state32_t &x) { 1839 for (int i = 0; i < 13; i++) 1840 sys::swapByteOrder(x.r[i]); 1841 sys::swapByteOrder(x.sp); 1842 sys::swapByteOrder(x.lr); 1843 sys::swapByteOrder(x.pc); 1844 sys::swapByteOrder(x.cpsr); 1845 } 1846 1847 struct arm_thread_state64_t { 1848 uint64_t x[29]; 1849 uint64_t fp; 1850 uint64_t lr; 1851 uint64_t sp; 1852 uint64_t pc; 1853 uint32_t cpsr; 1854 uint32_t pad; 1855 }; 1856 1857 inline void swapStruct(arm_thread_state64_t &x) { 1858 for (int i = 0; i < 29; i++) 1859 sys::swapByteOrder(x.x[i]); 1860 sys::swapByteOrder(x.fp); 1861 sys::swapByteOrder(x.lr); 1862 sys::swapByteOrder(x.sp); 1863 sys::swapByteOrder(x.pc); 1864 sys::swapByteOrder(x.cpsr); 1865 } 1866 1867 struct arm_state_hdr_t { 1868 uint32_t flavor; 1869 uint32_t count; 1870 }; 1871 1872 struct arm_thread_state_t { 1873 arm_state_hdr_t tsh; 1874 union { 1875 arm_thread_state32_t ts32; 1876 } uts; 1877 }; 1878 1879 inline void swapStruct(arm_state_hdr_t &x) { 1880 sys::swapByteOrder(x.flavor); 1881 sys::swapByteOrder(x.count); 1882 } 1883 1884 enum ARMThreadFlavors { 1885 ARM_THREAD_STATE = 1, 1886 ARM_VFP_STATE = 2, 1887 ARM_EXCEPTION_STATE = 3, 1888 ARM_DEBUG_STATE = 4, 1889 ARN_THREAD_STATE_NONE = 5, 1890 ARM_THREAD_STATE64 = 6, 1891 ARM_EXCEPTION_STATE64 = 7 1892 }; 1893 1894 inline void swapStruct(arm_thread_state_t &x) { 1895 swapStruct(x.tsh); 1896 if (x.tsh.flavor == ARM_THREAD_STATE) 1897 swapStruct(x.uts.ts32); 1898 } 1899 1900 const uint32_t ARM_THREAD_STATE_COUNT = 1901 sizeof(arm_thread_state32_t) / sizeof(uint32_t); 1902 1903 const uint32_t ARM_THREAD_STATE64_COUNT = 1904 sizeof(arm_thread_state64_t) / sizeof(uint32_t); 1905 1906 struct ppc_thread_state32_t { 1907 uint32_t srr0; 1908 uint32_t srr1; 1909 uint32_t r0; 1910 uint32_t r1; 1911 uint32_t r2; 1912 uint32_t r3; 1913 uint32_t r4; 1914 uint32_t r5; 1915 uint32_t r6; 1916 uint32_t r7; 1917 uint32_t r8; 1918 uint32_t r9; 1919 uint32_t r10; 1920 uint32_t r11; 1921 uint32_t r12; 1922 uint32_t r13; 1923 uint32_t r14; 1924 uint32_t r15; 1925 uint32_t r16; 1926 uint32_t r17; 1927 uint32_t r18; 1928 uint32_t r19; 1929 uint32_t r20; 1930 uint32_t r21; 1931 uint32_t r22; 1932 uint32_t r23; 1933 uint32_t r24; 1934 uint32_t r25; 1935 uint32_t r26; 1936 uint32_t r27; 1937 uint32_t r28; 1938 uint32_t r29; 1939 uint32_t r30; 1940 uint32_t r31; 1941 uint32_t ct; 1942 uint32_t xer; 1943 uint32_t lr; 1944 uint32_t ctr; 1945 uint32_t mq; 1946 uint32_t vrsave; 1947 }; 1948 1949 inline void swapStruct(ppc_thread_state32_t &x) { 1950 sys::swapByteOrder(x.srr0); 1951 sys::swapByteOrder(x.srr1); 1952 sys::swapByteOrder(x.r0); 1953 sys::swapByteOrder(x.r1); 1954 sys::swapByteOrder(x.r2); 1955 sys::swapByteOrder(x.r3); 1956 sys::swapByteOrder(x.r4); 1957 sys::swapByteOrder(x.r5); 1958 sys::swapByteOrder(x.r6); 1959 sys::swapByteOrder(x.r7); 1960 sys::swapByteOrder(x.r8); 1961 sys::swapByteOrder(x.r9); 1962 sys::swapByteOrder(x.r10); 1963 sys::swapByteOrder(x.r11); 1964 sys::swapByteOrder(x.r12); 1965 sys::swapByteOrder(x.r13); 1966 sys::swapByteOrder(x.r14); 1967 sys::swapByteOrder(x.r15); 1968 sys::swapByteOrder(x.r16); 1969 sys::swapByteOrder(x.r17); 1970 sys::swapByteOrder(x.r18); 1971 sys::swapByteOrder(x.r19); 1972 sys::swapByteOrder(x.r20); 1973 sys::swapByteOrder(x.r21); 1974 sys::swapByteOrder(x.r22); 1975 sys::swapByteOrder(x.r23); 1976 sys::swapByteOrder(x.r24); 1977 sys::swapByteOrder(x.r25); 1978 sys::swapByteOrder(x.r26); 1979 sys::swapByteOrder(x.r27); 1980 sys::swapByteOrder(x.r28); 1981 sys::swapByteOrder(x.r29); 1982 sys::swapByteOrder(x.r30); 1983 sys::swapByteOrder(x.r31); 1984 sys::swapByteOrder(x.ct); 1985 sys::swapByteOrder(x.xer); 1986 sys::swapByteOrder(x.lr); 1987 sys::swapByteOrder(x.ctr); 1988 sys::swapByteOrder(x.mq); 1989 sys::swapByteOrder(x.vrsave); 1990 } 1991 1992 struct ppc_state_hdr_t { 1993 uint32_t flavor; 1994 uint32_t count; 1995 }; 1996 1997 struct ppc_thread_state_t { 1998 ppc_state_hdr_t tsh; 1999 union { 2000 ppc_thread_state32_t ts32; 2001 } uts; 2002 }; 2003 2004 inline void swapStruct(ppc_state_hdr_t &x) { 2005 sys::swapByteOrder(x.flavor); 2006 sys::swapByteOrder(x.count); 2007 } 2008 2009 enum PPCThreadFlavors { 2010 PPC_THREAD_STATE = 1, 2011 PPC_FLOAT_STATE = 2, 2012 PPC_EXCEPTION_STATE = 3, 2013 PPC_VECTOR_STATE = 4, 2014 PPC_THREAD_STATE64 = 5, 2015 PPC_EXCEPTION_STATE64 = 6, 2016 PPC_THREAD_STATE_NONE = 7 2017 }; 2018 2019 inline void swapStruct(ppc_thread_state_t &x) { 2020 swapStruct(x.tsh); 2021 if (x.tsh.flavor == PPC_THREAD_STATE) 2022 swapStruct(x.uts.ts32); 2023 } 2024 2025 const uint32_t PPC_THREAD_STATE_COUNT = 2026 sizeof(ppc_thread_state32_t) / sizeof(uint32_t); 2027 2028 // Define a union of all load command structs 2029 #define LOAD_COMMAND_STRUCT(LCStruct) LCStruct LCStruct##_data; 2030 2031 union macho_load_command { 2032 #include "llvm/Support/MachO.def" 2033 }; 2034 2035 } // end namespace MachO 2036 } // end namespace llvm 2037 2038 #endif 2039