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 // Structs from <mach-o/loader.h> 491 492 struct mach_header { 493 uint32_t magic; 494 uint32_t cputype; 495 uint32_t cpusubtype; 496 uint32_t filetype; 497 uint32_t ncmds; 498 uint32_t sizeofcmds; 499 uint32_t flags; 500 }; 501 502 struct mach_header_64 { 503 uint32_t magic; 504 uint32_t cputype; 505 uint32_t cpusubtype; 506 uint32_t filetype; 507 uint32_t ncmds; 508 uint32_t sizeofcmds; 509 uint32_t flags; 510 uint32_t reserved; 511 }; 512 513 struct load_command { 514 uint32_t cmd; 515 uint32_t cmdsize; 516 }; 517 518 struct segment_command { 519 uint32_t cmd; 520 uint32_t cmdsize; 521 char segname[16]; 522 uint32_t vmaddr; 523 uint32_t vmsize; 524 uint32_t fileoff; 525 uint32_t filesize; 526 uint32_t maxprot; 527 uint32_t initprot; 528 uint32_t nsects; 529 uint32_t flags; 530 }; 531 532 struct segment_command_64 { 533 uint32_t cmd; 534 uint32_t cmdsize; 535 char segname[16]; 536 uint64_t vmaddr; 537 uint64_t vmsize; 538 uint64_t fileoff; 539 uint64_t filesize; 540 uint32_t maxprot; 541 uint32_t initprot; 542 uint32_t nsects; 543 uint32_t flags; 544 }; 545 546 struct section { 547 char sectname[16]; 548 char segname[16]; 549 uint32_t addr; 550 uint32_t size; 551 uint32_t offset; 552 uint32_t align; 553 uint32_t reloff; 554 uint32_t nreloc; 555 uint32_t flags; 556 uint32_t reserved1; 557 uint32_t reserved2; 558 }; 559 560 struct section_64 { 561 char sectname[16]; 562 char segname[16]; 563 uint64_t addr; 564 uint64_t size; 565 uint32_t offset; 566 uint32_t align; 567 uint32_t reloff; 568 uint32_t nreloc; 569 uint32_t flags; 570 uint32_t reserved1; 571 uint32_t reserved2; 572 uint32_t reserved3; 573 }; 574 575 struct fvmlib { 576 uint32_t name; 577 uint32_t minor_version; 578 uint32_t header_addr; 579 }; 580 581 // The fvmlib_command is obsolete and no longer supported. 582 struct fvmlib_command { 583 uint32_t cmd; 584 uint32_t cmdsize; 585 struct fvmlib fvmlib; 586 }; 587 588 struct dylib { 589 uint32_t name; 590 uint32_t timestamp; 591 uint32_t current_version; 592 uint32_t compatibility_version; 593 }; 594 595 struct dylib_command { 596 uint32_t cmd; 597 uint32_t cmdsize; 598 struct dylib dylib; 599 }; 600 601 struct sub_framework_command { 602 uint32_t cmd; 603 uint32_t cmdsize; 604 uint32_t umbrella; 605 }; 606 607 struct sub_client_command { 608 uint32_t cmd; 609 uint32_t cmdsize; 610 uint32_t client; 611 }; 612 613 struct sub_umbrella_command { 614 uint32_t cmd; 615 uint32_t cmdsize; 616 uint32_t sub_umbrella; 617 }; 618 619 struct sub_library_command { 620 uint32_t cmd; 621 uint32_t cmdsize; 622 uint32_t sub_library; 623 }; 624 625 // The prebound_dylib_command is obsolete and no longer supported. 626 struct prebound_dylib_command { 627 uint32_t cmd; 628 uint32_t cmdsize; 629 uint32_t name; 630 uint32_t nmodules; 631 uint32_t linked_modules; 632 }; 633 634 struct dylinker_command { 635 uint32_t cmd; 636 uint32_t cmdsize; 637 uint32_t name; 638 }; 639 640 struct thread_command { 641 uint32_t cmd; 642 uint32_t cmdsize; 643 }; 644 645 struct routines_command { 646 uint32_t cmd; 647 uint32_t cmdsize; 648 uint32_t init_address; 649 uint32_t init_module; 650 uint32_t reserved1; 651 uint32_t reserved2; 652 uint32_t reserved3; 653 uint32_t reserved4; 654 uint32_t reserved5; 655 uint32_t reserved6; 656 }; 657 658 struct routines_command_64 { 659 uint32_t cmd; 660 uint32_t cmdsize; 661 uint64_t init_address; 662 uint64_t init_module; 663 uint64_t reserved1; 664 uint64_t reserved2; 665 uint64_t reserved3; 666 uint64_t reserved4; 667 uint64_t reserved5; 668 uint64_t reserved6; 669 }; 670 671 struct symtab_command { 672 uint32_t cmd; 673 uint32_t cmdsize; 674 uint32_t symoff; 675 uint32_t nsyms; 676 uint32_t stroff; 677 uint32_t strsize; 678 }; 679 680 struct dysymtab_command { 681 uint32_t cmd; 682 uint32_t cmdsize; 683 uint32_t ilocalsym; 684 uint32_t nlocalsym; 685 uint32_t iextdefsym; 686 uint32_t nextdefsym; 687 uint32_t iundefsym; 688 uint32_t nundefsym; 689 uint32_t tocoff; 690 uint32_t ntoc; 691 uint32_t modtaboff; 692 uint32_t nmodtab; 693 uint32_t extrefsymoff; 694 uint32_t nextrefsyms; 695 uint32_t indirectsymoff; 696 uint32_t nindirectsyms; 697 uint32_t extreloff; 698 uint32_t nextrel; 699 uint32_t locreloff; 700 uint32_t nlocrel; 701 }; 702 703 struct dylib_table_of_contents { 704 uint32_t symbol_index; 705 uint32_t module_index; 706 }; 707 708 struct dylib_module { 709 uint32_t module_name; 710 uint32_t iextdefsym; 711 uint32_t nextdefsym; 712 uint32_t irefsym; 713 uint32_t nrefsym; 714 uint32_t ilocalsym; 715 uint32_t nlocalsym; 716 uint32_t iextrel; 717 uint32_t nextrel; 718 uint32_t iinit_iterm; 719 uint32_t ninit_nterm; 720 uint32_t objc_module_info_addr; 721 uint32_t objc_module_info_size; 722 }; 723 724 struct dylib_module_64 { 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_size; 737 uint64_t objc_module_info_addr; 738 }; 739 740 struct dylib_reference { 741 uint32_t isym:24, 742 flags:8; 743 }; 744 745 // The twolevel_hints_command is obsolete and no longer supported. 746 struct twolevel_hints_command { 747 uint32_t cmd; 748 uint32_t cmdsize; 749 uint32_t offset; 750 uint32_t nhints; 751 }; 752 753 // The twolevel_hints_command is obsolete and no longer supported. 754 struct twolevel_hint { 755 uint32_t isub_image:8, 756 itoc:24; 757 }; 758 759 // The prebind_cksum_command is obsolete and no longer supported. 760 struct prebind_cksum_command { 761 uint32_t cmd; 762 uint32_t cmdsize; 763 uint32_t cksum; 764 }; 765 766 struct uuid_command { 767 uint32_t cmd; 768 uint32_t cmdsize; 769 uint8_t uuid[16]; 770 }; 771 772 struct rpath_command { 773 uint32_t cmd; 774 uint32_t cmdsize; 775 uint32_t path; 776 }; 777 778 struct linkedit_data_command { 779 uint32_t cmd; 780 uint32_t cmdsize; 781 uint32_t dataoff; 782 uint32_t datasize; 783 }; 784 785 struct data_in_code_entry { 786 uint32_t offset; 787 uint16_t length; 788 uint16_t kind; 789 }; 790 791 struct source_version_command { 792 uint32_t cmd; 793 uint32_t cmdsize; 794 uint64_t version; 795 }; 796 797 struct encryption_info_command { 798 uint32_t cmd; 799 uint32_t cmdsize; 800 uint32_t cryptoff; 801 uint32_t cryptsize; 802 uint32_t cryptid; 803 }; 804 805 struct encryption_info_command_64 { 806 uint32_t cmd; 807 uint32_t cmdsize; 808 uint32_t cryptoff; 809 uint32_t cryptsize; 810 uint32_t cryptid; 811 uint32_t pad; 812 }; 813 814 struct version_min_command { 815 uint32_t cmd; // LC_VERSION_MIN_MACOSX or 816 // LC_VERSION_MIN_IPHONEOS 817 uint32_t cmdsize; // sizeof(struct version_min_command) 818 uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz 819 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz 820 }; 821 822 struct dyld_info_command { 823 uint32_t cmd; 824 uint32_t cmdsize; 825 uint32_t rebase_off; 826 uint32_t rebase_size; 827 uint32_t bind_off; 828 uint32_t bind_size; 829 uint32_t weak_bind_off; 830 uint32_t weak_bind_size; 831 uint32_t lazy_bind_off; 832 uint32_t lazy_bind_size; 833 uint32_t export_off; 834 uint32_t export_size; 835 }; 836 837 struct linker_option_command { 838 uint32_t cmd; 839 uint32_t cmdsize; 840 uint32_t count; 841 }; 842 843 // The symseg_command is obsolete and no longer supported. 844 struct symseg_command { 845 uint32_t cmd; 846 uint32_t cmdsize; 847 uint32_t offset; 848 uint32_t size; 849 }; 850 851 // The ident_command is obsolete and no longer supported. 852 struct ident_command { 853 uint32_t cmd; 854 uint32_t cmdsize; 855 }; 856 857 // The fvmfile_command is obsolete and no longer supported. 858 struct fvmfile_command { 859 uint32_t cmd; 860 uint32_t cmdsize; 861 uint32_t name; 862 uint32_t header_addr; 863 }; 864 865 struct tlv_descriptor_32 { 866 uint32_t thunk; 867 uint32_t key; 868 uint32_t offset; 869 }; 870 871 struct tlv_descriptor_64 { 872 uint64_t thunk; 873 uint64_t key; 874 uint64_t offset; 875 }; 876 877 struct tlv_descriptor { 878 uintptr_t thunk; 879 uintptr_t key; 880 uintptr_t offset; 881 }; 882 883 struct entry_point_command { 884 uint32_t cmd; 885 uint32_t cmdsize; 886 uint64_t entryoff; 887 uint64_t stacksize; 888 }; 889 890 // Structs from <mach-o/fat.h> 891 struct fat_header { 892 uint32_t magic; 893 uint32_t nfat_arch; 894 }; 895 896 struct fat_arch { 897 uint32_t cputype; 898 uint32_t cpusubtype; 899 uint32_t offset; 900 uint32_t size; 901 uint32_t align; 902 }; 903 904 struct fat_arch_64 { 905 uint32_t cputype; 906 uint32_t cpusubtype; 907 uint64_t offset; 908 uint64_t size; 909 uint32_t align; 910 uint32_t reserved; 911 }; 912 913 // Structs from <mach-o/reloc.h> 914 struct relocation_info { 915 int32_t r_address; 916 uint32_t r_symbolnum:24, 917 r_pcrel:1, 918 r_length:2, 919 r_extern:1, 920 r_type:4; 921 }; 922 923 struct scattered_relocation_info { 924 #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && (BYTE_ORDER == BIG_ENDIAN) 925 uint32_t r_scattered:1, 926 r_pcrel:1, 927 r_length:2, 928 r_type:4, 929 r_address:24; 930 #else 931 uint32_t r_address:24, 932 r_type:4, 933 r_length:2, 934 r_pcrel:1, 935 r_scattered:1; 936 #endif 937 int32_t r_value; 938 }; 939 940 // Structs NOT from <mach-o/reloc.h>, but that make LLVM's life easier 941 struct any_relocation_info { 942 uint32_t r_word0, r_word1; 943 }; 944 945 // Structs from <mach-o/nlist.h> 946 struct nlist_base { 947 uint32_t n_strx; 948 uint8_t n_type; 949 uint8_t n_sect; 950 uint16_t n_desc; 951 }; 952 953 struct nlist { 954 uint32_t n_strx; 955 uint8_t n_type; 956 uint8_t n_sect; 957 int16_t n_desc; 958 uint32_t n_value; 959 }; 960 961 struct nlist_64 { 962 uint32_t n_strx; 963 uint8_t n_type; 964 uint8_t n_sect; 965 uint16_t n_desc; 966 uint64_t n_value; 967 }; 968 969 // Byte order swapping functions for MachO structs 970 971 inline void swapStruct(fat_header &mh) { 972 sys::swapByteOrder(mh.magic); 973 sys::swapByteOrder(mh.nfat_arch); 974 } 975 976 inline void swapStruct(fat_arch &mh) { 977 sys::swapByteOrder(mh.cputype); 978 sys::swapByteOrder(mh.cpusubtype); 979 sys::swapByteOrder(mh.offset); 980 sys::swapByteOrder(mh.size); 981 sys::swapByteOrder(mh.align); 982 } 983 984 inline void swapStruct(fat_arch_64 &mh) { 985 sys::swapByteOrder(mh.cputype); 986 sys::swapByteOrder(mh.cpusubtype); 987 sys::swapByteOrder(mh.offset); 988 sys::swapByteOrder(mh.size); 989 sys::swapByteOrder(mh.align); 990 sys::swapByteOrder(mh.reserved); 991 } 992 993 inline void swapStruct(mach_header &mh) { 994 sys::swapByteOrder(mh.magic); 995 sys::swapByteOrder(mh.cputype); 996 sys::swapByteOrder(mh.cpusubtype); 997 sys::swapByteOrder(mh.filetype); 998 sys::swapByteOrder(mh.ncmds); 999 sys::swapByteOrder(mh.sizeofcmds); 1000 sys::swapByteOrder(mh.flags); 1001 } 1002 1003 inline void swapStruct(mach_header_64 &H) { 1004 sys::swapByteOrder(H.magic); 1005 sys::swapByteOrder(H.cputype); 1006 sys::swapByteOrder(H.cpusubtype); 1007 sys::swapByteOrder(H.filetype); 1008 sys::swapByteOrder(H.ncmds); 1009 sys::swapByteOrder(H.sizeofcmds); 1010 sys::swapByteOrder(H.flags); 1011 sys::swapByteOrder(H.reserved); 1012 } 1013 1014 inline void swapStruct(load_command &lc) { 1015 sys::swapByteOrder(lc.cmd); 1016 sys::swapByteOrder(lc.cmdsize); 1017 } 1018 1019 inline void swapStruct(symtab_command &lc) { 1020 sys::swapByteOrder(lc.cmd); 1021 sys::swapByteOrder(lc.cmdsize); 1022 sys::swapByteOrder(lc.symoff); 1023 sys::swapByteOrder(lc.nsyms); 1024 sys::swapByteOrder(lc.stroff); 1025 sys::swapByteOrder(lc.strsize); 1026 } 1027 1028 inline void swapStruct(segment_command_64 &seg) { 1029 sys::swapByteOrder(seg.cmd); 1030 sys::swapByteOrder(seg.cmdsize); 1031 sys::swapByteOrder(seg.vmaddr); 1032 sys::swapByteOrder(seg.vmsize); 1033 sys::swapByteOrder(seg.fileoff); 1034 sys::swapByteOrder(seg.filesize); 1035 sys::swapByteOrder(seg.maxprot); 1036 sys::swapByteOrder(seg.initprot); 1037 sys::swapByteOrder(seg.nsects); 1038 sys::swapByteOrder(seg.flags); 1039 } 1040 1041 inline void swapStruct(segment_command &seg) { 1042 sys::swapByteOrder(seg.cmd); 1043 sys::swapByteOrder(seg.cmdsize); 1044 sys::swapByteOrder(seg.vmaddr); 1045 sys::swapByteOrder(seg.vmsize); 1046 sys::swapByteOrder(seg.fileoff); 1047 sys::swapByteOrder(seg.filesize); 1048 sys::swapByteOrder(seg.maxprot); 1049 sys::swapByteOrder(seg.initprot); 1050 sys::swapByteOrder(seg.nsects); 1051 sys::swapByteOrder(seg.flags); 1052 } 1053 1054 inline void swapStruct(section_64 §) { 1055 sys::swapByteOrder(sect.addr); 1056 sys::swapByteOrder(sect.size); 1057 sys::swapByteOrder(sect.offset); 1058 sys::swapByteOrder(sect.align); 1059 sys::swapByteOrder(sect.reloff); 1060 sys::swapByteOrder(sect.nreloc); 1061 sys::swapByteOrder(sect.flags); 1062 sys::swapByteOrder(sect.reserved1); 1063 sys::swapByteOrder(sect.reserved2); 1064 } 1065 1066 inline void swapStruct(section §) { 1067 sys::swapByteOrder(sect.addr); 1068 sys::swapByteOrder(sect.size); 1069 sys::swapByteOrder(sect.offset); 1070 sys::swapByteOrder(sect.align); 1071 sys::swapByteOrder(sect.reloff); 1072 sys::swapByteOrder(sect.nreloc); 1073 sys::swapByteOrder(sect.flags); 1074 sys::swapByteOrder(sect.reserved1); 1075 sys::swapByteOrder(sect.reserved2); 1076 } 1077 1078 inline void swapStruct(dyld_info_command &info) { 1079 sys::swapByteOrder(info.cmd); 1080 sys::swapByteOrder(info.cmdsize); 1081 sys::swapByteOrder(info.rebase_off); 1082 sys::swapByteOrder(info.rebase_size); 1083 sys::swapByteOrder(info.bind_off); 1084 sys::swapByteOrder(info.bind_size); 1085 sys::swapByteOrder(info.weak_bind_off); 1086 sys::swapByteOrder(info.weak_bind_size); 1087 sys::swapByteOrder(info.lazy_bind_off); 1088 sys::swapByteOrder(info.lazy_bind_size); 1089 sys::swapByteOrder(info.export_off); 1090 sys::swapByteOrder(info.export_size); 1091 } 1092 1093 inline void swapStruct(dylib_command &d) { 1094 sys::swapByteOrder(d.cmd); 1095 sys::swapByteOrder(d.cmdsize); 1096 sys::swapByteOrder(d.dylib.name); 1097 sys::swapByteOrder(d.dylib.timestamp); 1098 sys::swapByteOrder(d.dylib.current_version); 1099 sys::swapByteOrder(d.dylib.compatibility_version); 1100 } 1101 1102 inline void swapStruct(sub_framework_command &s) { 1103 sys::swapByteOrder(s.cmd); 1104 sys::swapByteOrder(s.cmdsize); 1105 sys::swapByteOrder(s.umbrella); 1106 } 1107 1108 inline void swapStruct(sub_umbrella_command &s) { 1109 sys::swapByteOrder(s.cmd); 1110 sys::swapByteOrder(s.cmdsize); 1111 sys::swapByteOrder(s.sub_umbrella); 1112 } 1113 1114 inline void swapStruct(sub_library_command &s) { 1115 sys::swapByteOrder(s.cmd); 1116 sys::swapByteOrder(s.cmdsize); 1117 sys::swapByteOrder(s.sub_library); 1118 } 1119 1120 inline void swapStruct(sub_client_command &s) { 1121 sys::swapByteOrder(s.cmd); 1122 sys::swapByteOrder(s.cmdsize); 1123 sys::swapByteOrder(s.client); 1124 } 1125 1126 inline void swapStruct(routines_command &r) { 1127 sys::swapByteOrder(r.cmd); 1128 sys::swapByteOrder(r.cmdsize); 1129 sys::swapByteOrder(r.init_address); 1130 sys::swapByteOrder(r.init_module); 1131 sys::swapByteOrder(r.reserved1); 1132 sys::swapByteOrder(r.reserved2); 1133 sys::swapByteOrder(r.reserved3); 1134 sys::swapByteOrder(r.reserved4); 1135 sys::swapByteOrder(r.reserved5); 1136 sys::swapByteOrder(r.reserved6); 1137 } 1138 1139 inline void swapStruct(routines_command_64 &r) { 1140 sys::swapByteOrder(r.cmd); 1141 sys::swapByteOrder(r.cmdsize); 1142 sys::swapByteOrder(r.init_address); 1143 sys::swapByteOrder(r.init_module); 1144 sys::swapByteOrder(r.reserved1); 1145 sys::swapByteOrder(r.reserved2); 1146 sys::swapByteOrder(r.reserved3); 1147 sys::swapByteOrder(r.reserved4); 1148 sys::swapByteOrder(r.reserved5); 1149 sys::swapByteOrder(r.reserved6); 1150 } 1151 1152 inline void swapStruct(thread_command &t) { 1153 sys::swapByteOrder(t.cmd); 1154 sys::swapByteOrder(t.cmdsize); 1155 } 1156 1157 inline void swapStruct(dylinker_command &d) { 1158 sys::swapByteOrder(d.cmd); 1159 sys::swapByteOrder(d.cmdsize); 1160 sys::swapByteOrder(d.name); 1161 } 1162 1163 inline void swapStruct(uuid_command &u) { 1164 sys::swapByteOrder(u.cmd); 1165 sys::swapByteOrder(u.cmdsize); 1166 } 1167 1168 inline void swapStruct(rpath_command &r) { 1169 sys::swapByteOrder(r.cmd); 1170 sys::swapByteOrder(r.cmdsize); 1171 sys::swapByteOrder(r.path); 1172 } 1173 1174 inline void swapStruct(source_version_command &s) { 1175 sys::swapByteOrder(s.cmd); 1176 sys::swapByteOrder(s.cmdsize); 1177 sys::swapByteOrder(s.version); 1178 } 1179 1180 inline void swapStruct(entry_point_command &e) { 1181 sys::swapByteOrder(e.cmd); 1182 sys::swapByteOrder(e.cmdsize); 1183 sys::swapByteOrder(e.entryoff); 1184 sys::swapByteOrder(e.stacksize); 1185 } 1186 1187 inline void swapStruct(encryption_info_command &e) { 1188 sys::swapByteOrder(e.cmd); 1189 sys::swapByteOrder(e.cmdsize); 1190 sys::swapByteOrder(e.cryptoff); 1191 sys::swapByteOrder(e.cryptsize); 1192 sys::swapByteOrder(e.cryptid); 1193 } 1194 1195 inline void swapStruct(encryption_info_command_64 &e) { 1196 sys::swapByteOrder(e.cmd); 1197 sys::swapByteOrder(e.cmdsize); 1198 sys::swapByteOrder(e.cryptoff); 1199 sys::swapByteOrder(e.cryptsize); 1200 sys::swapByteOrder(e.cryptid); 1201 sys::swapByteOrder(e.pad); 1202 } 1203 1204 inline void swapStruct(dysymtab_command &dst) { 1205 sys::swapByteOrder(dst.cmd); 1206 sys::swapByteOrder(dst.cmdsize); 1207 sys::swapByteOrder(dst.ilocalsym); 1208 sys::swapByteOrder(dst.nlocalsym); 1209 sys::swapByteOrder(dst.iextdefsym); 1210 sys::swapByteOrder(dst.nextdefsym); 1211 sys::swapByteOrder(dst.iundefsym); 1212 sys::swapByteOrder(dst.nundefsym); 1213 sys::swapByteOrder(dst.tocoff); 1214 sys::swapByteOrder(dst.ntoc); 1215 sys::swapByteOrder(dst.modtaboff); 1216 sys::swapByteOrder(dst.nmodtab); 1217 sys::swapByteOrder(dst.extrefsymoff); 1218 sys::swapByteOrder(dst.nextrefsyms); 1219 sys::swapByteOrder(dst.indirectsymoff); 1220 sys::swapByteOrder(dst.nindirectsyms); 1221 sys::swapByteOrder(dst.extreloff); 1222 sys::swapByteOrder(dst.nextrel); 1223 sys::swapByteOrder(dst.locreloff); 1224 sys::swapByteOrder(dst.nlocrel); 1225 } 1226 1227 inline void swapStruct(any_relocation_info &reloc) { 1228 sys::swapByteOrder(reloc.r_word0); 1229 sys::swapByteOrder(reloc.r_word1); 1230 } 1231 1232 inline void swapStruct(nlist_base &S) { 1233 sys::swapByteOrder(S.n_strx); 1234 sys::swapByteOrder(S.n_desc); 1235 } 1236 1237 inline void swapStruct(nlist &sym) { 1238 sys::swapByteOrder(sym.n_strx); 1239 sys::swapByteOrder(sym.n_desc); 1240 sys::swapByteOrder(sym.n_value); 1241 } 1242 1243 inline void swapStruct(nlist_64 &sym) { 1244 sys::swapByteOrder(sym.n_strx); 1245 sys::swapByteOrder(sym.n_desc); 1246 sys::swapByteOrder(sym.n_value); 1247 } 1248 1249 inline void swapStruct(linkedit_data_command &C) { 1250 sys::swapByteOrder(C.cmd); 1251 sys::swapByteOrder(C.cmdsize); 1252 sys::swapByteOrder(C.dataoff); 1253 sys::swapByteOrder(C.datasize); 1254 } 1255 1256 inline void swapStruct(linker_option_command &C) { 1257 sys::swapByteOrder(C.cmd); 1258 sys::swapByteOrder(C.cmdsize); 1259 sys::swapByteOrder(C.count); 1260 } 1261 1262 inline void swapStruct(version_min_command&C) { 1263 sys::swapByteOrder(C.cmd); 1264 sys::swapByteOrder(C.cmdsize); 1265 sys::swapByteOrder(C.version); 1266 sys::swapByteOrder(C.sdk); 1267 } 1268 1269 inline void swapStruct(data_in_code_entry &C) { 1270 sys::swapByteOrder(C.offset); 1271 sys::swapByteOrder(C.length); 1272 sys::swapByteOrder(C.kind); 1273 } 1274 1275 inline void swapStruct(uint32_t &C) { 1276 sys::swapByteOrder(C); 1277 } 1278 1279 // The prebind_cksum_command is obsolete and no longer supported. 1280 inline void swapStruct(prebind_cksum_command &C) { 1281 sys::swapByteOrder(C.cmd); 1282 sys::swapByteOrder(C.cmdsize); 1283 sys::swapByteOrder(C.cksum); 1284 } 1285 1286 // The twolevel_hints_command is obsolete and no longer supported. 1287 inline void swapStruct(twolevel_hints_command &C) { 1288 sys::swapByteOrder(C.cmd); 1289 sys::swapByteOrder(C.cmdsize); 1290 sys::swapByteOrder(C.offset); 1291 sys::swapByteOrder(C.nhints); 1292 } 1293 1294 // The prebound_dylib_command is obsolete and no longer supported. 1295 inline void swapStruct(prebound_dylib_command &C) { 1296 sys::swapByteOrder(C.cmd); 1297 sys::swapByteOrder(C.cmdsize); 1298 sys::swapByteOrder(C.name); 1299 sys::swapByteOrder(C.nmodules); 1300 sys::swapByteOrder(C.linked_modules); 1301 } 1302 1303 // The fvmfile_command is obsolete and no longer supported. 1304 inline void swapStruct(fvmfile_command &C) { 1305 sys::swapByteOrder(C.cmd); 1306 sys::swapByteOrder(C.cmdsize); 1307 sys::swapByteOrder(C.name); 1308 sys::swapByteOrder(C.header_addr); 1309 } 1310 1311 // The symseg_command is obsolete and no longer supported. 1312 inline void swapStruct(symseg_command &C) { 1313 sys::swapByteOrder(C.cmd); 1314 sys::swapByteOrder(C.cmdsize); 1315 sys::swapByteOrder(C.offset); 1316 sys::swapByteOrder(C.size); 1317 } 1318 1319 // The ident_command is obsolete and no longer supported. 1320 inline void swapStruct(ident_command &C) { 1321 sys::swapByteOrder(C.cmd); 1322 sys::swapByteOrder(C.cmdsize); 1323 } 1324 1325 inline void swapStruct(fvmlib &C) { 1326 sys::swapByteOrder(C.name); 1327 sys::swapByteOrder(C.minor_version); 1328 sys::swapByteOrder(C.header_addr); 1329 } 1330 1331 // The fvmlib_command is obsolete and no longer supported. 1332 inline void swapStruct(fvmlib_command &C) { 1333 sys::swapByteOrder(C.cmd); 1334 sys::swapByteOrder(C.cmdsize); 1335 swapStruct(C.fvmlib); 1336 } 1337 1338 // Get/Set functions from <mach-o/nlist.h> 1339 1340 static inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc) { 1341 return (((n_desc) >> 8u) & 0xffu); 1342 } 1343 1344 static inline void SET_LIBRARY_ORDINAL(uint16_t &n_desc, uint8_t ordinal) { 1345 n_desc = (((n_desc) & 0x00ff) | (((ordinal) & 0xff) << 8)); 1346 } 1347 1348 static inline uint8_t GET_COMM_ALIGN (uint16_t n_desc) { 1349 return (n_desc >> 8u) & 0x0fu; 1350 } 1351 1352 static inline void SET_COMM_ALIGN (uint16_t &n_desc, uint8_t align) { 1353 n_desc = ((n_desc & 0xf0ffu) | ((align & 0x0fu) << 8u)); 1354 } 1355 1356 // Enums from <mach/machine.h> 1357 enum : uint32_t { 1358 // Capability bits used in the definition of cpu_type. 1359 CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits 1360 CPU_ARCH_ABI64 = 0x01000000 // 64 bit ABI 1361 }; 1362 1363 // Constants for the cputype field. 1364 enum CPUType { 1365 CPU_TYPE_ANY = -1, 1366 CPU_TYPE_X86 = 7, 1367 CPU_TYPE_I386 = CPU_TYPE_X86, 1368 CPU_TYPE_X86_64 = CPU_TYPE_X86 | CPU_ARCH_ABI64, 1369 /* CPU_TYPE_MIPS = 8, */ 1370 CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC 1371 CPU_TYPE_ARM = 12, 1372 CPU_TYPE_ARM64 = CPU_TYPE_ARM | CPU_ARCH_ABI64, 1373 CPU_TYPE_SPARC = 14, 1374 CPU_TYPE_POWERPC = 18, 1375 CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64 1376 }; 1377 1378 enum : uint32_t { 1379 // Capability bits used in the definition of cpusubtype. 1380 CPU_SUBTYPE_MASK = 0xff000000, // Mask for architecture bits 1381 CPU_SUBTYPE_LIB64 = 0x80000000, // 64 bit libraries 1382 1383 // Special CPU subtype constants. 1384 CPU_SUBTYPE_MULTIPLE = ~0u 1385 }; 1386 1387 // Constants for the cpusubtype field. 1388 enum CPUSubTypeX86 { 1389 CPU_SUBTYPE_I386_ALL = 3, 1390 CPU_SUBTYPE_386 = 3, 1391 CPU_SUBTYPE_486 = 4, 1392 CPU_SUBTYPE_486SX = 0x84, 1393 CPU_SUBTYPE_586 = 5, 1394 CPU_SUBTYPE_PENT = CPU_SUBTYPE_586, 1395 CPU_SUBTYPE_PENTPRO = 0x16, 1396 CPU_SUBTYPE_PENTII_M3 = 0x36, 1397 CPU_SUBTYPE_PENTII_M5 = 0x56, 1398 CPU_SUBTYPE_CELERON = 0x67, 1399 CPU_SUBTYPE_CELERON_MOBILE = 0x77, 1400 CPU_SUBTYPE_PENTIUM_3 = 0x08, 1401 CPU_SUBTYPE_PENTIUM_3_M = 0x18, 1402 CPU_SUBTYPE_PENTIUM_3_XEON = 0x28, 1403 CPU_SUBTYPE_PENTIUM_M = 0x09, 1404 CPU_SUBTYPE_PENTIUM_4 = 0x0a, 1405 CPU_SUBTYPE_PENTIUM_4_M = 0x1a, 1406 CPU_SUBTYPE_ITANIUM = 0x0b, 1407 CPU_SUBTYPE_ITANIUM_2 = 0x1b, 1408 CPU_SUBTYPE_XEON = 0x0c, 1409 CPU_SUBTYPE_XEON_MP = 0x1c, 1410 1411 CPU_SUBTYPE_X86_ALL = 3, 1412 CPU_SUBTYPE_X86_64_ALL = 3, 1413 CPU_SUBTYPE_X86_ARCH1 = 4, 1414 CPU_SUBTYPE_X86_64_H = 8 1415 }; 1416 static inline int CPU_SUBTYPE_INTEL(int Family, int Model) { 1417 return Family | (Model << 4); 1418 } 1419 static inline int CPU_SUBTYPE_INTEL_FAMILY(CPUSubTypeX86 ST) { 1420 return ((int)ST) & 0x0f; 1421 } 1422 static inline int CPU_SUBTYPE_INTEL_MODEL(CPUSubTypeX86 ST) { 1423 return ((int)ST) >> 4; 1424 } 1425 enum { 1426 CPU_SUBTYPE_INTEL_FAMILY_MAX = 15, 1427 CPU_SUBTYPE_INTEL_MODEL_ALL = 0 1428 }; 1429 1430 enum CPUSubTypeARM { 1431 CPU_SUBTYPE_ARM_ALL = 0, 1432 CPU_SUBTYPE_ARM_V4T = 5, 1433 CPU_SUBTYPE_ARM_V6 = 6, 1434 CPU_SUBTYPE_ARM_V5 = 7, 1435 CPU_SUBTYPE_ARM_V5TEJ = 7, 1436 CPU_SUBTYPE_ARM_XSCALE = 8, 1437 CPU_SUBTYPE_ARM_V7 = 9, 1438 // unused ARM_V7F = 10, 1439 CPU_SUBTYPE_ARM_V7S = 11, 1440 CPU_SUBTYPE_ARM_V7K = 12, 1441 CPU_SUBTYPE_ARM_V6M = 14, 1442 CPU_SUBTYPE_ARM_V7M = 15, 1443 CPU_SUBTYPE_ARM_V7EM = 16 1444 }; 1445 1446 enum CPUSubTypeARM64 { 1447 CPU_SUBTYPE_ARM64_ALL = 0 1448 }; 1449 1450 enum CPUSubTypeSPARC { 1451 CPU_SUBTYPE_SPARC_ALL = 0 1452 }; 1453 1454 enum CPUSubTypePowerPC { 1455 CPU_SUBTYPE_POWERPC_ALL = 0, 1456 CPU_SUBTYPE_POWERPC_601 = 1, 1457 CPU_SUBTYPE_POWERPC_602 = 2, 1458 CPU_SUBTYPE_POWERPC_603 = 3, 1459 CPU_SUBTYPE_POWERPC_603e = 4, 1460 CPU_SUBTYPE_POWERPC_603ev = 5, 1461 CPU_SUBTYPE_POWERPC_604 = 6, 1462 CPU_SUBTYPE_POWERPC_604e = 7, 1463 CPU_SUBTYPE_POWERPC_620 = 8, 1464 CPU_SUBTYPE_POWERPC_750 = 9, 1465 CPU_SUBTYPE_POWERPC_7400 = 10, 1466 CPU_SUBTYPE_POWERPC_7450 = 11, 1467 CPU_SUBTYPE_POWERPC_970 = 100, 1468 1469 CPU_SUBTYPE_MC980000_ALL = CPU_SUBTYPE_POWERPC_ALL, 1470 CPU_SUBTYPE_MC98601 = CPU_SUBTYPE_POWERPC_601 1471 }; 1472 1473 struct x86_thread_state64_t { 1474 uint64_t rax; 1475 uint64_t rbx; 1476 uint64_t rcx; 1477 uint64_t rdx; 1478 uint64_t rdi; 1479 uint64_t rsi; 1480 uint64_t rbp; 1481 uint64_t rsp; 1482 uint64_t r8; 1483 uint64_t r9; 1484 uint64_t r10; 1485 uint64_t r11; 1486 uint64_t r12; 1487 uint64_t r13; 1488 uint64_t r14; 1489 uint64_t r15; 1490 uint64_t rip; 1491 uint64_t rflags; 1492 uint64_t cs; 1493 uint64_t fs; 1494 uint64_t gs; 1495 }; 1496 1497 enum x86_fp_control_precis { 1498 x86_FP_PREC_24B = 0, 1499 x86_FP_PREC_53B = 2, 1500 x86_FP_PREC_64B = 3 1501 }; 1502 1503 enum x86_fp_control_rc { 1504 x86_FP_RND_NEAR = 0, 1505 x86_FP_RND_DOWN = 1, 1506 x86_FP_RND_UP = 2, 1507 x86_FP_CHOP = 3 1508 }; 1509 1510 struct fp_control_t { 1511 unsigned short 1512 invalid :1, 1513 denorm :1, 1514 zdiv :1, 1515 ovrfl :1, 1516 undfl :1, 1517 precis :1, 1518 :2, 1519 pc :2, 1520 rc :2, 1521 :1, 1522 :3; 1523 }; 1524 1525 struct fp_status_t { 1526 unsigned short 1527 invalid :1, 1528 denorm :1, 1529 zdiv :1, 1530 ovrfl :1, 1531 undfl :1, 1532 precis :1, 1533 stkflt :1, 1534 errsumm :1, 1535 c0 :1, 1536 c1 :1, 1537 c2 :1, 1538 tos :3, 1539 c3 :1, 1540 busy :1; 1541 }; 1542 1543 struct mmst_reg_t { 1544 char mmst_reg[10]; 1545 char mmst_rsrv[6]; 1546 }; 1547 1548 struct xmm_reg_t { 1549 char xmm_reg[16]; 1550 }; 1551 1552 struct x86_float_state64_t { 1553 int32_t fpu_reserved[2]; 1554 fp_control_t fpu_fcw; 1555 fp_status_t fpu_fsw; 1556 uint8_t fpu_ftw; 1557 uint8_t fpu_rsrv1; 1558 uint16_t fpu_fop; 1559 uint32_t fpu_ip; 1560 uint16_t fpu_cs; 1561 uint16_t fpu_rsrv2; 1562 uint32_t fpu_dp; 1563 uint16_t fpu_ds; 1564 uint16_t fpu_rsrv3; 1565 uint32_t fpu_mxcsr; 1566 uint32_t fpu_mxcsrmask; 1567 mmst_reg_t fpu_stmm0; 1568 mmst_reg_t fpu_stmm1; 1569 mmst_reg_t fpu_stmm2; 1570 mmst_reg_t fpu_stmm3; 1571 mmst_reg_t fpu_stmm4; 1572 mmst_reg_t fpu_stmm5; 1573 mmst_reg_t fpu_stmm6; 1574 mmst_reg_t fpu_stmm7; 1575 xmm_reg_t fpu_xmm0; 1576 xmm_reg_t fpu_xmm1; 1577 xmm_reg_t fpu_xmm2; 1578 xmm_reg_t fpu_xmm3; 1579 xmm_reg_t fpu_xmm4; 1580 xmm_reg_t fpu_xmm5; 1581 xmm_reg_t fpu_xmm6; 1582 xmm_reg_t fpu_xmm7; 1583 xmm_reg_t fpu_xmm8; 1584 xmm_reg_t fpu_xmm9; 1585 xmm_reg_t fpu_xmm10; 1586 xmm_reg_t fpu_xmm11; 1587 xmm_reg_t fpu_xmm12; 1588 xmm_reg_t fpu_xmm13; 1589 xmm_reg_t fpu_xmm14; 1590 xmm_reg_t fpu_xmm15; 1591 char fpu_rsrv4[6*16]; 1592 uint32_t fpu_reserved1; 1593 }; 1594 1595 struct x86_exception_state64_t { 1596 uint16_t trapno; 1597 uint16_t cpu; 1598 uint32_t err; 1599 uint64_t faultvaddr; 1600 }; 1601 1602 inline void swapStruct(x86_thread_state64_t &x) { 1603 sys::swapByteOrder(x.rax); 1604 sys::swapByteOrder(x.rbx); 1605 sys::swapByteOrder(x.rcx); 1606 sys::swapByteOrder(x.rdx); 1607 sys::swapByteOrder(x.rdi); 1608 sys::swapByteOrder(x.rsi); 1609 sys::swapByteOrder(x.rbp); 1610 sys::swapByteOrder(x.rsp); 1611 sys::swapByteOrder(x.r8); 1612 sys::swapByteOrder(x.r9); 1613 sys::swapByteOrder(x.r10); 1614 sys::swapByteOrder(x.r11); 1615 sys::swapByteOrder(x.r12); 1616 sys::swapByteOrder(x.r13); 1617 sys::swapByteOrder(x.r14); 1618 sys::swapByteOrder(x.r15); 1619 sys::swapByteOrder(x.rip); 1620 sys::swapByteOrder(x.rflags); 1621 sys::swapByteOrder(x.cs); 1622 sys::swapByteOrder(x.fs); 1623 sys::swapByteOrder(x.gs); 1624 } 1625 1626 inline void swapStruct(x86_float_state64_t &x) { 1627 sys::swapByteOrder(x.fpu_reserved[0]); 1628 sys::swapByteOrder(x.fpu_reserved[1]); 1629 // TODO swap: fp_control_t fpu_fcw; 1630 // TODO swap: fp_status_t fpu_fsw; 1631 sys::swapByteOrder(x.fpu_fop); 1632 sys::swapByteOrder(x.fpu_ip); 1633 sys::swapByteOrder(x.fpu_cs); 1634 sys::swapByteOrder(x.fpu_rsrv2); 1635 sys::swapByteOrder(x.fpu_dp); 1636 sys::swapByteOrder(x.fpu_ds); 1637 sys::swapByteOrder(x.fpu_rsrv3); 1638 sys::swapByteOrder(x.fpu_mxcsr); 1639 sys::swapByteOrder(x.fpu_mxcsrmask); 1640 sys::swapByteOrder(x.fpu_reserved1); 1641 } 1642 1643 inline void swapStruct(x86_exception_state64_t &x) { 1644 sys::swapByteOrder(x.trapno); 1645 sys::swapByteOrder(x.cpu); 1646 sys::swapByteOrder(x.err); 1647 sys::swapByteOrder(x.faultvaddr); 1648 } 1649 1650 struct x86_state_hdr_t { 1651 uint32_t flavor; 1652 uint32_t count; 1653 }; 1654 1655 struct x86_thread_state_t { 1656 x86_state_hdr_t tsh; 1657 union { 1658 x86_thread_state64_t ts64; 1659 } uts; 1660 }; 1661 1662 struct x86_float_state_t { 1663 x86_state_hdr_t fsh; 1664 union { 1665 x86_float_state64_t fs64; 1666 } ufs; 1667 }; 1668 1669 struct x86_exception_state_t { 1670 x86_state_hdr_t esh; 1671 union { 1672 x86_exception_state64_t es64; 1673 } ues; 1674 }; 1675 1676 inline void swapStruct(x86_state_hdr_t &x) { 1677 sys::swapByteOrder(x.flavor); 1678 sys::swapByteOrder(x.count); 1679 } 1680 1681 enum X86ThreadFlavors { 1682 x86_THREAD_STATE32 = 1, 1683 x86_FLOAT_STATE32 = 2, 1684 x86_EXCEPTION_STATE32 = 3, 1685 x86_THREAD_STATE64 = 4, 1686 x86_FLOAT_STATE64 = 5, 1687 x86_EXCEPTION_STATE64 = 6, 1688 x86_THREAD_STATE = 7, 1689 x86_FLOAT_STATE = 8, 1690 x86_EXCEPTION_STATE = 9, 1691 x86_DEBUG_STATE32 = 10, 1692 x86_DEBUG_STATE64 = 11, 1693 x86_DEBUG_STATE = 12 1694 }; 1695 1696 inline void swapStruct(x86_thread_state_t &x) { 1697 swapStruct(x.tsh); 1698 if (x.tsh.flavor == x86_THREAD_STATE64) 1699 swapStruct(x.uts.ts64); 1700 } 1701 1702 inline void swapStruct(x86_float_state_t &x) { 1703 swapStruct(x.fsh); 1704 if (x.fsh.flavor == x86_FLOAT_STATE64) 1705 swapStruct(x.ufs.fs64); 1706 } 1707 1708 inline void swapStruct(x86_exception_state_t &x) { 1709 swapStruct(x.esh); 1710 if (x.esh.flavor == x86_EXCEPTION_STATE64) 1711 swapStruct(x.ues.es64); 1712 } 1713 1714 const uint32_t x86_THREAD_STATE64_COUNT = 1715 sizeof(x86_thread_state64_t) / sizeof(uint32_t); 1716 const uint32_t x86_FLOAT_STATE64_COUNT = 1717 sizeof(x86_float_state64_t) / sizeof(uint32_t); 1718 const uint32_t x86_EXCEPTION_STATE64_COUNT = 1719 sizeof(x86_exception_state64_t) / sizeof(uint32_t); 1720 1721 const uint32_t x86_THREAD_STATE_COUNT = 1722 sizeof(x86_thread_state_t) / sizeof(uint32_t); 1723 const uint32_t x86_FLOAT_STATE_COUNT = 1724 sizeof(x86_float_state_t) / sizeof(uint32_t); 1725 const uint32_t x86_EXCEPTION_STATE_COUNT = 1726 sizeof(x86_exception_state_t) / sizeof(uint32_t); 1727 1728 struct arm_thread_state32_t { 1729 uint32_t r[13]; 1730 uint32_t sp; 1731 uint32_t lr; 1732 uint32_t pc; 1733 uint32_t cpsr; 1734 }; 1735 1736 inline void swapStruct(arm_thread_state32_t &x) { 1737 for (int i = 0; i < 13; i++) 1738 sys::swapByteOrder(x.r[i]); 1739 sys::swapByteOrder(x.sp); 1740 sys::swapByteOrder(x.lr); 1741 sys::swapByteOrder(x.pc); 1742 sys::swapByteOrder(x.cpsr); 1743 } 1744 1745 struct arm_thread_state64_t { 1746 uint64_t x[29]; 1747 uint64_t fp; 1748 uint64_t lr; 1749 uint64_t sp; 1750 uint64_t pc; 1751 uint32_t cpsr; 1752 uint32_t pad; 1753 }; 1754 1755 inline void swapStruct(arm_thread_state64_t &x) { 1756 for (int i = 0; i < 29; i++) 1757 sys::swapByteOrder(x.x[i]); 1758 sys::swapByteOrder(x.fp); 1759 sys::swapByteOrder(x.lr); 1760 sys::swapByteOrder(x.sp); 1761 sys::swapByteOrder(x.pc); 1762 sys::swapByteOrder(x.cpsr); 1763 } 1764 1765 struct arm_state_hdr_t { 1766 uint32_t flavor; 1767 uint32_t count; 1768 }; 1769 1770 struct arm_thread_state_t { 1771 arm_state_hdr_t tsh; 1772 union { 1773 arm_thread_state32_t ts32; 1774 } uts; 1775 }; 1776 1777 inline void swapStruct(arm_state_hdr_t &x) { 1778 sys::swapByteOrder(x.flavor); 1779 sys::swapByteOrder(x.count); 1780 } 1781 1782 enum ARMThreadFlavors { 1783 ARM_THREAD_STATE = 1, 1784 ARM_VFP_STATE = 2, 1785 ARM_EXCEPTION_STATE = 3, 1786 ARM_DEBUG_STATE = 4, 1787 ARN_THREAD_STATE_NONE = 5, 1788 ARM_THREAD_STATE64 = 6, 1789 ARM_EXCEPTION_STATE64 = 7 1790 }; 1791 1792 inline void swapStruct(arm_thread_state_t &x) { 1793 swapStruct(x.tsh); 1794 if (x.tsh.flavor == ARM_THREAD_STATE) 1795 swapStruct(x.uts.ts32); 1796 } 1797 1798 const uint32_t ARM_THREAD_STATE_COUNT = 1799 sizeof(arm_thread_state32_t) / sizeof(uint32_t); 1800 1801 const uint32_t ARM_THREAD_STATE64_COUNT = 1802 sizeof(arm_thread_state64_t) / sizeof(uint32_t); 1803 1804 struct ppc_thread_state32_t { 1805 uint32_t srr0; 1806 uint32_t srr1; 1807 uint32_t r0; 1808 uint32_t r1; 1809 uint32_t r2; 1810 uint32_t r3; 1811 uint32_t r4; 1812 uint32_t r5; 1813 uint32_t r6; 1814 uint32_t r7; 1815 uint32_t r8; 1816 uint32_t r9; 1817 uint32_t r10; 1818 uint32_t r11; 1819 uint32_t r12; 1820 uint32_t r13; 1821 uint32_t r14; 1822 uint32_t r15; 1823 uint32_t r16; 1824 uint32_t r17; 1825 uint32_t r18; 1826 uint32_t r19; 1827 uint32_t r20; 1828 uint32_t r21; 1829 uint32_t r22; 1830 uint32_t r23; 1831 uint32_t r24; 1832 uint32_t r25; 1833 uint32_t r26; 1834 uint32_t r27; 1835 uint32_t r28; 1836 uint32_t r29; 1837 uint32_t r30; 1838 uint32_t r31; 1839 uint32_t ct; 1840 uint32_t xer; 1841 uint32_t lr; 1842 uint32_t ctr; 1843 uint32_t mq; 1844 uint32_t vrsave; 1845 }; 1846 1847 inline void swapStruct(ppc_thread_state32_t &x) { 1848 sys::swapByteOrder(x.srr0); 1849 sys::swapByteOrder(x.srr1); 1850 sys::swapByteOrder(x.r0); 1851 sys::swapByteOrder(x.r1); 1852 sys::swapByteOrder(x.r2); 1853 sys::swapByteOrder(x.r3); 1854 sys::swapByteOrder(x.r4); 1855 sys::swapByteOrder(x.r5); 1856 sys::swapByteOrder(x.r6); 1857 sys::swapByteOrder(x.r7); 1858 sys::swapByteOrder(x.r8); 1859 sys::swapByteOrder(x.r9); 1860 sys::swapByteOrder(x.r10); 1861 sys::swapByteOrder(x.r11); 1862 sys::swapByteOrder(x.r12); 1863 sys::swapByteOrder(x.r13); 1864 sys::swapByteOrder(x.r14); 1865 sys::swapByteOrder(x.r15); 1866 sys::swapByteOrder(x.r16); 1867 sys::swapByteOrder(x.r17); 1868 sys::swapByteOrder(x.r18); 1869 sys::swapByteOrder(x.r19); 1870 sys::swapByteOrder(x.r20); 1871 sys::swapByteOrder(x.r21); 1872 sys::swapByteOrder(x.r22); 1873 sys::swapByteOrder(x.r23); 1874 sys::swapByteOrder(x.r24); 1875 sys::swapByteOrder(x.r25); 1876 sys::swapByteOrder(x.r26); 1877 sys::swapByteOrder(x.r27); 1878 sys::swapByteOrder(x.r28); 1879 sys::swapByteOrder(x.r29); 1880 sys::swapByteOrder(x.r30); 1881 sys::swapByteOrder(x.r31); 1882 sys::swapByteOrder(x.ct); 1883 sys::swapByteOrder(x.xer); 1884 sys::swapByteOrder(x.lr); 1885 sys::swapByteOrder(x.ctr); 1886 sys::swapByteOrder(x.mq); 1887 sys::swapByteOrder(x.vrsave); 1888 } 1889 1890 struct ppc_state_hdr_t { 1891 uint32_t flavor; 1892 uint32_t count; 1893 }; 1894 1895 struct ppc_thread_state_t { 1896 ppc_state_hdr_t tsh; 1897 union { 1898 ppc_thread_state32_t ts32; 1899 } uts; 1900 }; 1901 1902 inline void swapStruct(ppc_state_hdr_t &x) { 1903 sys::swapByteOrder(x.flavor); 1904 sys::swapByteOrder(x.count); 1905 } 1906 1907 enum PPCThreadFlavors { 1908 PPC_THREAD_STATE = 1, 1909 PPC_FLOAT_STATE = 2, 1910 PPC_EXCEPTION_STATE = 3, 1911 PPC_VECTOR_STATE = 4, 1912 PPC_THREAD_STATE64 = 5, 1913 PPC_EXCEPTION_STATE64 = 6, 1914 PPC_THREAD_STATE_NONE = 7 1915 }; 1916 1917 inline void swapStruct(ppc_thread_state_t &x) { 1918 swapStruct(x.tsh); 1919 if (x.tsh.flavor == PPC_THREAD_STATE) 1920 swapStruct(x.uts.ts32); 1921 } 1922 1923 const uint32_t PPC_THREAD_STATE_COUNT = 1924 sizeof(ppc_thread_state32_t) / sizeof(uint32_t); 1925 1926 // Define a union of all load command structs 1927 #define LOAD_COMMAND_STRUCT(LCStruct) LCStruct LCStruct##_data; 1928 1929 union macho_load_command { 1930 #include "llvm/Support/MachO.def" 1931 }; 1932 1933 } // end namespace MachO 1934 } // end namespace llvm 1935 1936 #endif 1937
