1 //===-- llvm/BinaryFormat/MachO.h - The MachO file format -------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file defines manifest constants for the MachO object file format. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_BINARYFORMAT_MACHO_H 14 #define LLVM_BINARYFORMAT_MACHO_H 15 16 #include "llvm/Support/Compiler.h" 17 #include "llvm/Support/DataTypes.h" 18 #include "llvm/Support/Error.h" 19 #include "llvm/Support/SwapByteOrder.h" 20 21 namespace llvm { 22 23 class Triple; 24 25 namespace MachO { 26 // Enums from <mach-o/loader.h> 27 enum : uint32_t { 28 // Constants for the "magic" field in llvm::MachO::mach_header and 29 // llvm::MachO::mach_header_64 30 MH_MAGIC = 0xFEEDFACEu, 31 MH_CIGAM = 0xCEFAEDFEu, 32 MH_MAGIC_64 = 0xFEEDFACFu, 33 MH_CIGAM_64 = 0xCFFAEDFEu, 34 FAT_MAGIC = 0xCAFEBABEu, 35 FAT_CIGAM = 0xBEBAFECAu, 36 FAT_MAGIC_64 = 0xCAFEBABFu, 37 FAT_CIGAM_64 = 0xBFBAFECAu 38 }; 39 40 enum HeaderFileType { 41 // Constants for the "filetype" field in llvm::MachO::mach_header and 42 // llvm::MachO::mach_header_64 43 MH_OBJECT = 0x1u, 44 MH_EXECUTE = 0x2u, 45 MH_FVMLIB = 0x3u, 46 MH_CORE = 0x4u, 47 MH_PRELOAD = 0x5u, 48 MH_DYLIB = 0x6u, 49 MH_DYLINKER = 0x7u, 50 MH_BUNDLE = 0x8u, 51 MH_DYLIB_STUB = 0x9u, 52 MH_DSYM = 0xAu, 53 MH_KEXT_BUNDLE = 0xBu, 54 MH_FILESET = 0xCu, 55 }; 56 57 enum { 58 // Constant bits for the "flags" field in llvm::MachO::mach_header and 59 // llvm::MachO::mach_header_64 60 MH_NOUNDEFS = 0x00000001u, 61 MH_INCRLINK = 0x00000002u, 62 MH_DYLDLINK = 0x00000004u, 63 MH_BINDATLOAD = 0x00000008u, 64 MH_PREBOUND = 0x00000010u, 65 MH_SPLIT_SEGS = 0x00000020u, 66 MH_LAZY_INIT = 0x00000040u, 67 MH_TWOLEVEL = 0x00000080u, 68 MH_FORCE_FLAT = 0x00000100u, 69 MH_NOMULTIDEFS = 0x00000200u, 70 MH_NOFIXPREBINDING = 0x00000400u, 71 MH_PREBINDABLE = 0x00000800u, 72 MH_ALLMODSBOUND = 0x00001000u, 73 MH_SUBSECTIONS_VIA_SYMBOLS = 0x00002000u, 74 MH_CANONICAL = 0x00004000u, 75 MH_WEAK_DEFINES = 0x00008000u, 76 MH_BINDS_TO_WEAK = 0x00010000u, 77 MH_ALLOW_STACK_EXECUTION = 0x00020000u, 78 MH_ROOT_SAFE = 0x00040000u, 79 MH_SETUID_SAFE = 0x00080000u, 80 MH_NO_REEXPORTED_DYLIBS = 0x00100000u, 81 MH_PIE = 0x00200000u, 82 MH_DEAD_STRIPPABLE_DYLIB = 0x00400000u, 83 MH_HAS_TLV_DESCRIPTORS = 0x00800000u, 84 MH_NO_HEAP_EXECUTION = 0x01000000u, 85 MH_APP_EXTENSION_SAFE = 0x02000000u, 86 MH_NLIST_OUTOFSYNC_WITH_DYLDINFO = 0x04000000u, 87 MH_SIM_SUPPORT = 0x08000000u, 88 MH_DYLIB_IN_CACHE = 0x80000000u, 89 }; 90 91 enum : uint32_t { 92 // Flags for the "cmd" field in llvm::MachO::load_command 93 LC_REQ_DYLD = 0x80000000u 94 }; 95 96 #define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct) LCName = LCValue, 97 98 enum LoadCommandType : uint32_t { 99 #include "llvm/BinaryFormat/MachO.def" 100 }; 101 102 #undef HANDLE_LOAD_COMMAND 103 104 enum : uint32_t { 105 // Constant bits for the "flags" field in llvm::MachO::segment_command 106 SG_HIGHVM = 0x1u, 107 SG_FVMLIB = 0x2u, 108 SG_NORELOC = 0x4u, 109 SG_PROTECTED_VERSION_1 = 0x8u, 110 SG_READ_ONLY = 0x10u, 111 112 // Constant masks for the "flags" field in llvm::MachO::section and 113 // llvm::MachO::section_64 114 SECTION_TYPE = 0x000000ffu, // SECTION_TYPE 115 SECTION_ATTRIBUTES = 0xffffff00u, // SECTION_ATTRIBUTES 116 SECTION_ATTRIBUTES_USR = 0xff000000u, // SECTION_ATTRIBUTES_USR 117 SECTION_ATTRIBUTES_SYS = 0x00ffff00u // SECTION_ATTRIBUTES_SYS 118 }; 119 120 /// These are the section type and attributes fields. A MachO section can 121 /// have only one Type, but can have any of the attributes specified. 122 enum SectionType : uint32_t { 123 // Constant masks for the "flags[7:0]" field in llvm::MachO::section and 124 // llvm::MachO::section_64 (mask "flags" with SECTION_TYPE) 125 126 /// S_REGULAR - Regular section. 127 S_REGULAR = 0x00u, 128 /// S_ZEROFILL - Zero fill on demand section. 129 S_ZEROFILL = 0x01u, 130 /// S_CSTRING_LITERALS - Section with literal C strings. 131 S_CSTRING_LITERALS = 0x02u, 132 /// S_4BYTE_LITERALS - Section with 4 byte literals. 133 S_4BYTE_LITERALS = 0x03u, 134 /// S_8BYTE_LITERALS - Section with 8 byte literals. 135 S_8BYTE_LITERALS = 0x04u, 136 /// S_LITERAL_POINTERS - Section with pointers to literals. 137 S_LITERAL_POINTERS = 0x05u, 138 /// S_NON_LAZY_SYMBOL_POINTERS - Section with non-lazy symbol pointers. 139 S_NON_LAZY_SYMBOL_POINTERS = 0x06u, 140 /// S_LAZY_SYMBOL_POINTERS - Section with lazy symbol pointers. 141 S_LAZY_SYMBOL_POINTERS = 0x07u, 142 /// S_SYMBOL_STUBS - Section with symbol stubs, byte size of stub in 143 /// the Reserved2 field. 144 S_SYMBOL_STUBS = 0x08u, 145 /// S_MOD_INIT_FUNC_POINTERS - Section with only function pointers for 146 /// initialization. 147 S_MOD_INIT_FUNC_POINTERS = 0x09u, 148 /// S_MOD_TERM_FUNC_POINTERS - Section with only function pointers for 149 /// termination. 150 S_MOD_TERM_FUNC_POINTERS = 0x0au, 151 /// S_COALESCED - Section contains symbols that are to be coalesced. 152 S_COALESCED = 0x0bu, 153 /// S_GB_ZEROFILL - Zero fill on demand section (that can be larger than 4 154 /// gigabytes). 155 S_GB_ZEROFILL = 0x0cu, 156 /// S_INTERPOSING - Section with only pairs of function pointers for 157 /// interposing. 158 S_INTERPOSING = 0x0du, 159 /// S_16BYTE_LITERALS - Section with only 16 byte literals. 160 S_16BYTE_LITERALS = 0x0eu, 161 /// S_DTRACE_DOF - Section contains DTrace Object Format. 162 S_DTRACE_DOF = 0x0fu, 163 /// S_LAZY_DYLIB_SYMBOL_POINTERS - Section with lazy symbol pointers to 164 /// lazy loaded dylibs. 165 S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10u, 166 /// S_THREAD_LOCAL_REGULAR - Thread local data section. 167 S_THREAD_LOCAL_REGULAR = 0x11u, 168 /// S_THREAD_LOCAL_ZEROFILL - Thread local zerofill section. 169 S_THREAD_LOCAL_ZEROFILL = 0x12u, 170 /// S_THREAD_LOCAL_VARIABLES - Section with thread local variable 171 /// structure data. 172 S_THREAD_LOCAL_VARIABLES = 0x13u, 173 /// S_THREAD_LOCAL_VARIABLE_POINTERS - Section with pointers to thread 174 /// local structures. 175 S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14u, 176 /// S_THREAD_LOCAL_INIT_FUNCTION_POINTERS - Section with thread local 177 /// variable initialization pointers to functions. 178 S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u, 179 /// S_INIT_FUNC_OFFSETS - Section with 32-bit offsets to initializer 180 /// functions. 181 S_INIT_FUNC_OFFSETS = 0x16u, 182 183 LAST_KNOWN_SECTION_TYPE = S_INIT_FUNC_OFFSETS 184 }; 185 186 enum : uint32_t { 187 // Constant masks for the "flags[31:24]" field in llvm::MachO::section and 188 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_USR) 189 190 /// S_ATTR_PURE_INSTRUCTIONS - Section contains only true machine 191 /// instructions. 192 S_ATTR_PURE_INSTRUCTIONS = 0x80000000u, 193 /// S_ATTR_NO_TOC - Section contains coalesced symbols that are not to be 194 /// in a ranlib table of contents. 195 S_ATTR_NO_TOC = 0x40000000u, 196 /// S_ATTR_STRIP_STATIC_SYMS - Ok to strip static symbols in this section 197 /// in files with the MY_DYLDLINK flag. 198 S_ATTR_STRIP_STATIC_SYMS = 0x20000000u, 199 /// S_ATTR_NO_DEAD_STRIP - No dead stripping. 200 S_ATTR_NO_DEAD_STRIP = 0x10000000u, 201 /// S_ATTR_LIVE_SUPPORT - Blocks are live if they reference live blocks. 202 S_ATTR_LIVE_SUPPORT = 0x08000000u, 203 /// S_ATTR_SELF_MODIFYING_CODE - Used with i386 code stubs written on by 204 /// dyld. 205 S_ATTR_SELF_MODIFYING_CODE = 0x04000000u, 206 /// S_ATTR_DEBUG - A debug section. 207 S_ATTR_DEBUG = 0x02000000u, 208 209 // Constant masks for the "flags[23:8]" field in llvm::MachO::section and 210 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_SYS) 211 212 /// S_ATTR_SOME_INSTRUCTIONS - Section contains some machine instructions. 213 S_ATTR_SOME_INSTRUCTIONS = 0x00000400u, 214 /// S_ATTR_EXT_RELOC - Section has external relocation entries. 215 S_ATTR_EXT_RELOC = 0x00000200u, 216 /// S_ATTR_LOC_RELOC - Section has local relocation entries. 217 S_ATTR_LOC_RELOC = 0x00000100u, 218 219 // Constant masks for the value of an indirect symbol in an indirect 220 // symbol table 221 INDIRECT_SYMBOL_LOCAL = 0x80000000u, 222 INDIRECT_SYMBOL_ABS = 0x40000000u 223 }; 224 225 enum DataRegionType { 226 // Constants for the "kind" field in a data_in_code_entry structure 227 DICE_KIND_DATA = 1u, 228 DICE_KIND_JUMP_TABLE8 = 2u, 229 DICE_KIND_JUMP_TABLE16 = 3u, 230 DICE_KIND_JUMP_TABLE32 = 4u, 231 DICE_KIND_ABS_JUMP_TABLE32 = 5u 232 }; 233 234 enum RebaseType { 235 REBASE_TYPE_POINTER = 1u, 236 REBASE_TYPE_TEXT_ABSOLUTE32 = 2u, 237 REBASE_TYPE_TEXT_PCREL32 = 3u 238 }; 239 240 enum { REBASE_OPCODE_MASK = 0xF0u, REBASE_IMMEDIATE_MASK = 0x0Fu }; 241 242 enum RebaseOpcode { 243 REBASE_OPCODE_DONE = 0x00u, 244 REBASE_OPCODE_SET_TYPE_IMM = 0x10u, 245 REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x20u, 246 REBASE_OPCODE_ADD_ADDR_ULEB = 0x30u, 247 REBASE_OPCODE_ADD_ADDR_IMM_SCALED = 0x40u, 248 REBASE_OPCODE_DO_REBASE_IMM_TIMES = 0x50u, 249 REBASE_OPCODE_DO_REBASE_ULEB_TIMES = 0x60u, 250 REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB = 0x70u, 251 REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB = 0x80u 252 }; 253 254 enum BindType { 255 BIND_TYPE_POINTER = 1u, 256 BIND_TYPE_TEXT_ABSOLUTE32 = 2u, 257 BIND_TYPE_TEXT_PCREL32 = 3u 258 }; 259 260 enum BindSpecialDylib { 261 BIND_SPECIAL_DYLIB_SELF = 0, 262 BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1, 263 BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2, 264 BIND_SPECIAL_DYLIB_WEAK_LOOKUP = -3 265 }; 266 267 enum { 268 BIND_SYMBOL_FLAGS_WEAK_IMPORT = 0x1u, 269 BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION = 0x8u, 270 271 BIND_OPCODE_MASK = 0xF0u, 272 BIND_IMMEDIATE_MASK = 0x0Fu 273 }; 274 275 enum BindOpcode { 276 BIND_OPCODE_DONE = 0x00u, 277 BIND_OPCODE_SET_DYLIB_ORDINAL_IMM = 0x10u, 278 BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB = 0x20u, 279 BIND_OPCODE_SET_DYLIB_SPECIAL_IMM = 0x30u, 280 BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM = 0x40u, 281 BIND_OPCODE_SET_TYPE_IMM = 0x50u, 282 BIND_OPCODE_SET_ADDEND_SLEB = 0x60u, 283 BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x70u, 284 BIND_OPCODE_ADD_ADDR_ULEB = 0x80u, 285 BIND_OPCODE_DO_BIND = 0x90u, 286 BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB = 0xA0u, 287 BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED = 0xB0u, 288 BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB = 0xC0u 289 }; 290 291 enum { 292 EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03u, 293 EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04u, 294 EXPORT_SYMBOL_FLAGS_REEXPORT = 0x08u, 295 EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10u 296 }; 297 298 enum ExportSymbolKind { 299 EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00u, 300 EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01u, 301 EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE = 0x02u 302 }; 303 304 enum { 305 // Constant masks for the "n_type" field in llvm::MachO::nlist and 306 // llvm::MachO::nlist_64 307 N_STAB = 0xe0, 308 N_PEXT = 0x10, 309 N_TYPE = 0x0e, 310 N_EXT = 0x01 311 }; 312 313 enum NListType : uint8_t { 314 // Constants for the "n_type & N_TYPE" llvm::MachO::nlist and 315 // llvm::MachO::nlist_64 316 N_UNDF = 0x0u, 317 N_ABS = 0x2u, 318 N_SECT = 0xeu, 319 N_PBUD = 0xcu, 320 N_INDR = 0xau 321 }; 322 323 enum SectionOrdinal { 324 // Constants for the "n_sect" field in llvm::MachO::nlist and 325 // llvm::MachO::nlist_64 326 NO_SECT = 0u, 327 MAX_SECT = 0xffu 328 }; 329 330 enum { 331 // Constant masks for the "n_desc" field in llvm::MachO::nlist and 332 // llvm::MachO::nlist_64 333 // The low 3 bits are the for the REFERENCE_TYPE. 334 REFERENCE_TYPE = 0x7, 335 REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0, 336 REFERENCE_FLAG_UNDEFINED_LAZY = 1, 337 REFERENCE_FLAG_DEFINED = 2, 338 REFERENCE_FLAG_PRIVATE_DEFINED = 3, 339 REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4, 340 REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5, 341 // Flag bits (some overlap with the library ordinal bits). 342 N_ARM_THUMB_DEF = 0x0008u, 343 REFERENCED_DYNAMICALLY = 0x0010u, 344 N_NO_DEAD_STRIP = 0x0020u, 345 N_WEAK_REF = 0x0040u, 346 N_WEAK_DEF = 0x0080u, 347 N_SYMBOL_RESOLVER = 0x0100u, 348 N_ALT_ENTRY = 0x0200u, 349 N_COLD_FUNC = 0x0400u, 350 // For undefined symbols coming from libraries, see GET_LIBRARY_ORDINAL() 351 // as these are in the top 8 bits. 352 SELF_LIBRARY_ORDINAL = 0x0, 353 MAX_LIBRARY_ORDINAL = 0xfd, 354 DYNAMIC_LOOKUP_ORDINAL = 0xfe, 355 EXECUTABLE_ORDINAL = 0xff 356 }; 357 358 enum StabType { 359 // Constant values for the "n_type" field in llvm::MachO::nlist and 360 // llvm::MachO::nlist_64 when "(n_type & N_STAB) != 0" 361 N_GSYM = 0x20u, 362 N_FNAME = 0x22u, 363 N_FUN = 0x24u, 364 N_STSYM = 0x26u, 365 N_LCSYM = 0x28u, 366 N_BNSYM = 0x2Eu, 367 N_PC = 0x30u, 368 N_AST = 0x32u, 369 N_OPT = 0x3Cu, 370 N_RSYM = 0x40u, 371 N_SLINE = 0x44u, 372 N_ENSYM = 0x4Eu, 373 N_SSYM = 0x60u, 374 N_SO = 0x64u, 375 N_OSO = 0x66u, 376 N_LIB = 0x68u, 377 N_LSYM = 0x80u, 378 N_BINCL = 0x82u, 379 N_SOL = 0x84u, 380 N_PARAMS = 0x86u, 381 N_VERSION = 0x88u, 382 N_OLEVEL = 0x8Au, 383 N_PSYM = 0xA0u, 384 N_EINCL = 0xA2u, 385 N_ENTRY = 0xA4u, 386 N_LBRAC = 0xC0u, 387 N_EXCL = 0xC2u, 388 N_RBRAC = 0xE0u, 389 N_BCOMM = 0xE2u, 390 N_ECOMM = 0xE4u, 391 N_ECOML = 0xE8u, 392 N_LENG = 0xFEu 393 }; 394 395 enum : uint32_t { 396 // Constant values for the r_symbolnum field in an 397 // llvm::MachO::relocation_info structure when r_extern is 0. 398 R_ABS = 0, 399 400 // Constant bits for the r_address field in an 401 // llvm::MachO::relocation_info structure. 402 R_SCATTERED = 0x80000000 403 }; 404 405 enum RelocationInfoType { 406 // Constant values for the r_type field in an 407 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 408 // structure. 409 GENERIC_RELOC_INVALID = 0xff, 410 GENERIC_RELOC_VANILLA = 0, 411 GENERIC_RELOC_PAIR = 1, 412 GENERIC_RELOC_SECTDIFF = 2, 413 GENERIC_RELOC_PB_LA_PTR = 3, 414 GENERIC_RELOC_LOCAL_SECTDIFF = 4, 415 GENERIC_RELOC_TLV = 5, 416 417 // Constant values for the r_type field in a PowerPC architecture 418 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 419 // structure. 420 PPC_RELOC_VANILLA = GENERIC_RELOC_VANILLA, 421 PPC_RELOC_PAIR = GENERIC_RELOC_PAIR, 422 PPC_RELOC_BR14 = 2, 423 PPC_RELOC_BR24 = 3, 424 PPC_RELOC_HI16 = 4, 425 PPC_RELOC_LO16 = 5, 426 PPC_RELOC_HA16 = 6, 427 PPC_RELOC_LO14 = 7, 428 PPC_RELOC_SECTDIFF = 8, 429 PPC_RELOC_PB_LA_PTR = 9, 430 PPC_RELOC_HI16_SECTDIFF = 10, 431 PPC_RELOC_LO16_SECTDIFF = 11, 432 PPC_RELOC_HA16_SECTDIFF = 12, 433 PPC_RELOC_JBSR = 13, 434 PPC_RELOC_LO14_SECTDIFF = 14, 435 PPC_RELOC_LOCAL_SECTDIFF = 15, 436 437 // Constant values for the r_type field in an ARM architecture 438 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 439 // structure. 440 ARM_RELOC_VANILLA = GENERIC_RELOC_VANILLA, 441 ARM_RELOC_PAIR = GENERIC_RELOC_PAIR, 442 ARM_RELOC_SECTDIFF = GENERIC_RELOC_SECTDIFF, 443 ARM_RELOC_LOCAL_SECTDIFF = 3, 444 ARM_RELOC_PB_LA_PTR = 4, 445 ARM_RELOC_BR24 = 5, 446 ARM_THUMB_RELOC_BR22 = 6, 447 ARM_THUMB_32BIT_BRANCH = 7, // obsolete 448 ARM_RELOC_HALF = 8, 449 ARM_RELOC_HALF_SECTDIFF = 9, 450 451 // Constant values for the r_type field in an ARM64 architecture 452 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 453 // structure. 454 455 // For pointers. 456 ARM64_RELOC_UNSIGNED = 0, 457 // Must be followed by an ARM64_RELOC_UNSIGNED 458 ARM64_RELOC_SUBTRACTOR = 1, 459 // A B/BL instruction with 26-bit displacement. 460 ARM64_RELOC_BRANCH26 = 2, 461 // PC-rel distance to page of target. 462 ARM64_RELOC_PAGE21 = 3, 463 // Offset within page, scaled by r_length. 464 ARM64_RELOC_PAGEOFF12 = 4, 465 // PC-rel distance to page of GOT slot. 466 ARM64_RELOC_GOT_LOAD_PAGE21 = 5, 467 // Offset within page of GOT slot, scaled by r_length. 468 ARM64_RELOC_GOT_LOAD_PAGEOFF12 = 6, 469 // For pointers to GOT slots. 470 ARM64_RELOC_POINTER_TO_GOT = 7, 471 // PC-rel distance to page of TLVP slot. 472 ARM64_RELOC_TLVP_LOAD_PAGE21 = 8, 473 // Offset within page of TLVP slot, scaled by r_length. 474 ARM64_RELOC_TLVP_LOAD_PAGEOFF12 = 9, 475 // Must be followed by ARM64_RELOC_PAGE21 or ARM64_RELOC_PAGEOFF12. 476 ARM64_RELOC_ADDEND = 10, 477 // An authenticated pointer. 478 ARM64_RELOC_AUTHENTICATED_POINTER = 11, 479 480 // Constant values for the r_type field in an x86_64 architecture 481 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info 482 // structure 483 X86_64_RELOC_UNSIGNED = 0, 484 X86_64_RELOC_SIGNED = 1, 485 X86_64_RELOC_BRANCH = 2, 486 X86_64_RELOC_GOT_LOAD = 3, 487 X86_64_RELOC_GOT = 4, 488 X86_64_RELOC_SUBTRACTOR = 5, 489 X86_64_RELOC_SIGNED_1 = 6, 490 X86_64_RELOC_SIGNED_2 = 7, 491 X86_64_RELOC_SIGNED_4 = 8, 492 X86_64_RELOC_TLV = 9 493 }; 494 495 // Values for segment_command.initprot. 496 // From <mach/vm_prot.h> 497 enum { VM_PROT_READ = 0x1, VM_PROT_WRITE = 0x2, VM_PROT_EXECUTE = 0x4 }; 498 499 // Values for platform field in build_version_command. 500 enum PlatformType { 501 #define PLATFORM(platform, id, name, build_name, target, tapi_target, \ 502 marketing) \ 503 PLATFORM_##platform = id, 504 #include "MachO.def" 505 }; 506 507 // Values for tools enum in build_tool_version. 508 enum { TOOL_CLANG = 1, TOOL_SWIFT = 2, TOOL_LD = 3, TOOL_LLD = 4 }; 509 510 // Structs from <mach-o/loader.h> 511 512 struct mach_header { 513 uint32_t magic; 514 uint32_t cputype; 515 uint32_t cpusubtype; 516 uint32_t filetype; 517 uint32_t ncmds; 518 uint32_t sizeofcmds; 519 uint32_t flags; 520 }; 521 522 struct mach_header_64 { 523 uint32_t magic; 524 uint32_t cputype; 525 uint32_t cpusubtype; 526 uint32_t filetype; 527 uint32_t ncmds; 528 uint32_t sizeofcmds; 529 uint32_t flags; 530 uint32_t reserved; 531 }; 532 533 struct load_command { 534 uint32_t cmd; 535 uint32_t cmdsize; 536 }; 537 538 struct segment_command { 539 uint32_t cmd; 540 uint32_t cmdsize; 541 char segname[16]; 542 uint32_t vmaddr; 543 uint32_t vmsize; 544 uint32_t fileoff; 545 uint32_t filesize; 546 uint32_t maxprot; 547 uint32_t initprot; 548 uint32_t nsects; 549 uint32_t flags; 550 }; 551 552 struct segment_command_64 { 553 uint32_t cmd; 554 uint32_t cmdsize; 555 char segname[16]; 556 uint64_t vmaddr; 557 uint64_t vmsize; 558 uint64_t fileoff; 559 uint64_t filesize; 560 uint32_t maxprot; 561 uint32_t initprot; 562 uint32_t nsects; 563 uint32_t flags; 564 }; 565 566 struct section { 567 char sectname[16]; 568 char segname[16]; 569 uint32_t addr; 570 uint32_t size; 571 uint32_t offset; 572 uint32_t align; 573 uint32_t reloff; 574 uint32_t nreloc; 575 uint32_t flags; 576 uint32_t reserved1; 577 uint32_t reserved2; 578 }; 579 580 struct section_64 { 581 char sectname[16]; 582 char segname[16]; 583 uint64_t addr; 584 uint64_t size; 585 uint32_t offset; 586 uint32_t align; 587 uint32_t reloff; 588 uint32_t nreloc; 589 uint32_t flags; 590 uint32_t reserved1; 591 uint32_t reserved2; 592 uint32_t reserved3; 593 }; 594 595 inline bool isVirtualSection(uint8_t type) { 596 return (type == MachO::S_ZEROFILL || type == MachO::S_GB_ZEROFILL || 597 type == MachO::S_THREAD_LOCAL_ZEROFILL); 598 } 599 600 struct fvmlib { 601 uint32_t name; 602 uint32_t minor_version; 603 uint32_t header_addr; 604 }; 605 606 // The fvmlib_command is obsolete and no longer supported. 607 struct fvmlib_command { 608 uint32_t cmd; 609 uint32_t cmdsize; 610 struct fvmlib fvmlib; 611 }; 612 613 struct dylib { 614 uint32_t name; 615 uint32_t timestamp; 616 uint32_t current_version; 617 uint32_t compatibility_version; 618 }; 619 620 struct dylib_command { 621 uint32_t cmd; 622 uint32_t cmdsize; 623 struct dylib dylib; 624 }; 625 626 struct sub_framework_command { 627 uint32_t cmd; 628 uint32_t cmdsize; 629 uint32_t umbrella; 630 }; 631 632 struct sub_client_command { 633 uint32_t cmd; 634 uint32_t cmdsize; 635 uint32_t client; 636 }; 637 638 struct sub_umbrella_command { 639 uint32_t cmd; 640 uint32_t cmdsize; 641 uint32_t sub_umbrella; 642 }; 643 644 struct sub_library_command { 645 uint32_t cmd; 646 uint32_t cmdsize; 647 uint32_t sub_library; 648 }; 649 650 // The prebound_dylib_command is obsolete and no longer supported. 651 struct prebound_dylib_command { 652 uint32_t cmd; 653 uint32_t cmdsize; 654 uint32_t name; 655 uint32_t nmodules; 656 uint32_t linked_modules; 657 }; 658 659 struct dylinker_command { 660 uint32_t cmd; 661 uint32_t cmdsize; 662 uint32_t name; 663 }; 664 665 struct thread_command { 666 uint32_t cmd; 667 uint32_t cmdsize; 668 }; 669 670 struct routines_command { 671 uint32_t cmd; 672 uint32_t cmdsize; 673 uint32_t init_address; 674 uint32_t init_module; 675 uint32_t reserved1; 676 uint32_t reserved2; 677 uint32_t reserved3; 678 uint32_t reserved4; 679 uint32_t reserved5; 680 uint32_t reserved6; 681 }; 682 683 struct routines_command_64 { 684 uint32_t cmd; 685 uint32_t cmdsize; 686 uint64_t init_address; 687 uint64_t init_module; 688 uint64_t reserved1; 689 uint64_t reserved2; 690 uint64_t reserved3; 691 uint64_t reserved4; 692 uint64_t reserved5; 693 uint64_t reserved6; 694 }; 695 696 struct symtab_command { 697 uint32_t cmd; 698 uint32_t cmdsize; 699 uint32_t symoff; 700 uint32_t nsyms; 701 uint32_t stroff; 702 uint32_t strsize; 703 }; 704 705 struct dysymtab_command { 706 uint32_t cmd; 707 uint32_t cmdsize; 708 uint32_t ilocalsym; 709 uint32_t nlocalsym; 710 uint32_t iextdefsym; 711 uint32_t nextdefsym; 712 uint32_t iundefsym; 713 uint32_t nundefsym; 714 uint32_t tocoff; 715 uint32_t ntoc; 716 uint32_t modtaboff; 717 uint32_t nmodtab; 718 uint32_t extrefsymoff; 719 uint32_t nextrefsyms; 720 uint32_t indirectsymoff; 721 uint32_t nindirectsyms; 722 uint32_t extreloff; 723 uint32_t nextrel; 724 uint32_t locreloff; 725 uint32_t nlocrel; 726 }; 727 728 struct dylib_table_of_contents { 729 uint32_t symbol_index; 730 uint32_t module_index; 731 }; 732 733 struct dylib_module { 734 uint32_t module_name; 735 uint32_t iextdefsym; 736 uint32_t nextdefsym; 737 uint32_t irefsym; 738 uint32_t nrefsym; 739 uint32_t ilocalsym; 740 uint32_t nlocalsym; 741 uint32_t iextrel; 742 uint32_t nextrel; 743 uint32_t iinit_iterm; 744 uint32_t ninit_nterm; 745 uint32_t objc_module_info_addr; 746 uint32_t objc_module_info_size; 747 }; 748 749 struct dylib_module_64 { 750 uint32_t module_name; 751 uint32_t iextdefsym; 752 uint32_t nextdefsym; 753 uint32_t irefsym; 754 uint32_t nrefsym; 755 uint32_t ilocalsym; 756 uint32_t nlocalsym; 757 uint32_t iextrel; 758 uint32_t nextrel; 759 uint32_t iinit_iterm; 760 uint32_t ninit_nterm; 761 uint32_t objc_module_info_size; 762 uint64_t objc_module_info_addr; 763 }; 764 765 struct dylib_reference { 766 uint32_t isym : 24, flags : 8; 767 }; 768 769 // The twolevel_hints_command is obsolete and no longer supported. 770 struct twolevel_hints_command { 771 uint32_t cmd; 772 uint32_t cmdsize; 773 uint32_t offset; 774 uint32_t nhints; 775 }; 776 777 // The twolevel_hints_command is obsolete and no longer supported. 778 struct twolevel_hint { 779 uint32_t isub_image : 8, itoc : 24; 780 }; 781 782 // The prebind_cksum_command is obsolete and no longer supported. 783 struct prebind_cksum_command { 784 uint32_t cmd; 785 uint32_t cmdsize; 786 uint32_t cksum; 787 }; 788 789 struct uuid_command { 790 uint32_t cmd; 791 uint32_t cmdsize; 792 uint8_t uuid[16]; 793 }; 794 795 struct rpath_command { 796 uint32_t cmd; 797 uint32_t cmdsize; 798 uint32_t path; 799 }; 800 801 struct linkedit_data_command { 802 uint32_t cmd; 803 uint32_t cmdsize; 804 uint32_t dataoff; 805 uint32_t datasize; 806 }; 807 808 struct data_in_code_entry { 809 uint32_t offset; 810 uint16_t length; 811 uint16_t kind; 812 }; 813 814 struct source_version_command { 815 uint32_t cmd; 816 uint32_t cmdsize; 817 uint64_t version; 818 }; 819 820 struct encryption_info_command { 821 uint32_t cmd; 822 uint32_t cmdsize; 823 uint32_t cryptoff; 824 uint32_t cryptsize; 825 uint32_t cryptid; 826 }; 827 828 struct encryption_info_command_64 { 829 uint32_t cmd; 830 uint32_t cmdsize; 831 uint32_t cryptoff; 832 uint32_t cryptsize; 833 uint32_t cryptid; 834 uint32_t pad; 835 }; 836 837 struct version_min_command { 838 uint32_t cmd; // LC_VERSION_MIN_MACOSX or 839 // LC_VERSION_MIN_IPHONEOS 840 uint32_t cmdsize; // sizeof(struct version_min_command) 841 uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz 842 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz 843 }; 844 845 struct note_command { 846 uint32_t cmd; // LC_NOTE 847 uint32_t cmdsize; // sizeof(struct note_command) 848 char data_owner[16]; // owner name for this LC_NOTE 849 uint64_t offset; // file offset of this data 850 uint64_t size; // length of data region 851 }; 852 853 struct build_tool_version { 854 uint32_t tool; // enum for the tool 855 uint32_t version; // version of the tool 856 }; 857 858 struct build_version_command { 859 uint32_t cmd; // LC_BUILD_VERSION 860 uint32_t cmdsize; // sizeof(struct build_version_command) + 861 // ntools * sizeof(struct build_tool_version) 862 uint32_t platform; // platform 863 uint32_t minos; // X.Y.Z is encoded in nibbles xxxx.yy.zz 864 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz 865 uint32_t ntools; // number of tool entries following this 866 }; 867 868 struct dyld_env_command { 869 uint32_t cmd; 870 uint32_t cmdsize; 871 uint32_t name; 872 }; 873 874 struct dyld_info_command { 875 uint32_t cmd; 876 uint32_t cmdsize; 877 uint32_t rebase_off; 878 uint32_t rebase_size; 879 uint32_t bind_off; 880 uint32_t bind_size; 881 uint32_t weak_bind_off; 882 uint32_t weak_bind_size; 883 uint32_t lazy_bind_off; 884 uint32_t lazy_bind_size; 885 uint32_t export_off; 886 uint32_t export_size; 887 }; 888 889 struct linker_option_command { 890 uint32_t cmd; 891 uint32_t cmdsize; 892 uint32_t count; 893 }; 894 895 union lc_str { 896 uint32_t offset; 897 }; 898 899 struct fileset_entry_command { 900 uint32_t cmd; 901 uint32_t cmdsize; 902 uint64_t vmaddr; 903 uint64_t fileoff; 904 union lc_str entry_id; 905 uint32_t reserved; 906 }; 907 908 // The symseg_command is obsolete and no longer supported. 909 struct symseg_command { 910 uint32_t cmd; 911 uint32_t cmdsize; 912 uint32_t offset; 913 uint32_t size; 914 }; 915 916 // The ident_command is obsolete and no longer supported. 917 struct ident_command { 918 uint32_t cmd; 919 uint32_t cmdsize; 920 }; 921 922 // The fvmfile_command is obsolete and no longer supported. 923 struct fvmfile_command { 924 uint32_t cmd; 925 uint32_t cmdsize; 926 uint32_t name; 927 uint32_t header_addr; 928 }; 929 930 struct tlv_descriptor_32 { 931 uint32_t thunk; 932 uint32_t key; 933 uint32_t offset; 934 }; 935 936 struct tlv_descriptor_64 { 937 uint64_t thunk; 938 uint64_t key; 939 uint64_t offset; 940 }; 941 942 struct tlv_descriptor { 943 uintptr_t thunk; 944 uintptr_t key; 945 uintptr_t offset; 946 }; 947 948 struct entry_point_command { 949 uint32_t cmd; 950 uint32_t cmdsize; 951 uint64_t entryoff; 952 uint64_t stacksize; 953 }; 954 955 // Structs from <mach-o/fat.h> 956 struct fat_header { 957 uint32_t magic; 958 uint32_t nfat_arch; 959 }; 960 961 struct fat_arch { 962 uint32_t cputype; 963 uint32_t cpusubtype; 964 uint32_t offset; 965 uint32_t size; 966 uint32_t align; 967 }; 968 969 struct fat_arch_64 { 970 uint32_t cputype; 971 uint32_t cpusubtype; 972 uint64_t offset; 973 uint64_t size; 974 uint32_t align; 975 uint32_t reserved; 976 }; 977 978 // Structs from <mach-o/reloc.h> 979 struct relocation_info { 980 int32_t r_address; 981 uint32_t r_symbolnum : 24, r_pcrel : 1, r_length : 2, r_extern : 1, 982 r_type : 4; 983 }; 984 985 struct scattered_relocation_info { 986 #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && (BYTE_ORDER == BIG_ENDIAN) 987 uint32_t r_scattered : 1, r_pcrel : 1, r_length : 2, r_type : 4, 988 r_address : 24; 989 #else 990 uint32_t r_address : 24, r_type : 4, r_length : 2, r_pcrel : 1, 991 r_scattered : 1; 992 #endif 993 int32_t r_value; 994 }; 995 996 // Structs NOT from <mach-o/reloc.h>, but that make LLVM's life easier 997 struct any_relocation_info { 998 uint32_t r_word0, r_word1; 999 }; 1000 1001 // Structs from <mach-o/nlist.h> 1002 struct nlist_base { 1003 uint32_t n_strx; 1004 uint8_t n_type; 1005 uint8_t n_sect; 1006 uint16_t n_desc; 1007 }; 1008 1009 struct nlist { 1010 uint32_t n_strx; 1011 uint8_t n_type; 1012 uint8_t n_sect; 1013 int16_t n_desc; 1014 uint32_t n_value; 1015 }; 1016 1017 struct nlist_64 { 1018 uint32_t n_strx; 1019 uint8_t n_type; 1020 uint8_t n_sect; 1021 uint16_t n_desc; 1022 uint64_t n_value; 1023 }; 1024 1025 // Values for dyld_chained_fixups_header::imports_format. 1026 enum ChainedImportFormat { 1027 DYLD_CHAINED_IMPORT = 1, 1028 DYLD_CHAINED_IMPORT_ADDEND = 2, 1029 DYLD_CHAINED_IMPORT_ADDEND64 = 3, 1030 }; 1031 1032 // Values for dyld_chained_fixups_header::symbols_format. 1033 enum { 1034 DYLD_CHAINED_SYMBOL_UNCOMPRESSED = 0, 1035 DYLD_CHAINED_SYMBOL_ZLIB = 1, 1036 }; 1037 1038 // Values for dyld_chained_starts_in_segment::page_start. 1039 enum { 1040 DYLD_CHAINED_PTR_START_NONE = 0xFFFF, 1041 DYLD_CHAINED_PTR_START_MULTI = 0x8000, // page which has multiple starts 1042 DYLD_CHAINED_PTR_START_LAST = 0x8000, // last chain_start for a given page 1043 }; 1044 1045 // Values for dyld_chained_starts_in_segment::pointer_format. 1046 enum { 1047 DYLD_CHAINED_PTR_ARM64E = 1, 1048 DYLD_CHAINED_PTR_64 = 2, 1049 DYLD_CHAINED_PTR_32 = 3, 1050 DYLD_CHAINED_PTR_32_CACHE = 4, 1051 DYLD_CHAINED_PTR_32_FIRMWARE = 5, 1052 DYLD_CHAINED_PTR_64_OFFSET = 6, 1053 DYLD_CHAINED_PTR_ARM64E_KERNEL = 7, 1054 DYLD_CHAINED_PTR_64_KERNEL_CACHE = 8, 1055 DYLD_CHAINED_PTR_ARM64E_USERLAND = 9, 1056 DYLD_CHAINED_PTR_ARM64E_FIRMWARE = 10, 1057 DYLD_CHAINED_PTR_X86_64_KERNEL_CACHE = 11, 1058 DYLD_CHAINED_PTR_ARM64E_USERLAND24 = 12, 1059 }; 1060 1061 /// Structs for dyld chained fixups. 1062 /// dyld_chained_fixups_header is the data pointed to by LC_DYLD_CHAINED_FIXUPS 1063 /// load command. 1064 struct dyld_chained_fixups_header { 1065 uint32_t fixups_version; ///< 0 1066 uint32_t starts_offset; ///< Offset of dyld_chained_starts_in_image. 1067 uint32_t imports_offset; ///< Offset of imports table in chain_data. 1068 uint32_t symbols_offset; ///< Offset of symbol strings in chain_data. 1069 uint32_t imports_count; ///< Number of imported symbol names. 1070 uint32_t imports_format; ///< DYLD_CHAINED_IMPORT* 1071 uint32_t symbols_format; ///< 0 => uncompressed, 1 => zlib compressed 1072 }; 1073 1074 /// dyld_chained_starts_in_image is embedded in LC_DYLD_CHAINED_FIXUPS payload. 1075 /// Each seg_info_offset entry is the offset into this struct for that 1076 /// segment followed by pool of dyld_chain_starts_in_segment data. 1077 struct dyld_chained_starts_in_image { 1078 uint32_t seg_count; 1079 uint32_t seg_info_offset[1]; 1080 }; 1081 1082 struct dyld_chained_starts_in_segment { 1083 uint32_t size; ///< Size of this, including chain_starts entries 1084 uint16_t page_size; ///< Page size in bytes (0x1000 or 0x4000) 1085 uint16_t pointer_format; ///< DYLD_CHAINED_PTR* 1086 uint64_t segment_offset; ///< VM offset from the __TEXT segment 1087 uint32_t max_valid_pointer; ///< Values beyond this are not pointers on 32-bit 1088 uint16_t page_count; ///< Length of the page_start array 1089 uint16_t page_start[1]; ///< Page offset of first fixup on each page, or 1090 ///< DYLD_CHAINED_PTR_START_NONE if no fixups 1091 }; 1092 1093 // DYLD_CHAINED_IMPORT 1094 struct dyld_chained_import { 1095 uint32_t lib_ordinal : 8; 1096 uint32_t weak_import : 1; 1097 uint32_t name_offset : 23; 1098 }; 1099 1100 // DYLD_CHAINED_IMPORT_ADDEND 1101 struct dyld_chained_import_addend { 1102 uint32_t lib_ordinal : 8; 1103 uint32_t weak_import : 1; 1104 uint32_t name_offset : 23; 1105 int32_t addend; 1106 }; 1107 1108 // DYLD_CHAINED_IMPORT_ADDEND64 1109 struct dyld_chained_import_addend64 { 1110 uint64_t lib_ordinal : 16; 1111 uint64_t weak_import : 1; 1112 uint64_t reserved : 15; 1113 uint64_t name_offset : 32; 1114 uint64_t addend; 1115 }; 1116 1117 // The `bind` field (most significant bit) of the encoded fixup determines 1118 // whether it is dyld_chained_ptr_64_bind or dyld_chained_ptr_64_rebase. 1119 1120 // DYLD_CHAINED_PTR_64/DYLD_CHAINED_PTR_64_OFFSET 1121 struct dyld_chained_ptr_64_bind { 1122 uint64_t ordinal : 24; 1123 uint64_t addend : 8; 1124 uint64_t reserved : 19; 1125 uint64_t next : 12; 1126 uint64_t bind : 1; // set to 1 1127 }; 1128 1129 // DYLD_CHAINED_PTR_64/DYLD_CHAINED_PTR_64_OFFSET 1130 struct dyld_chained_ptr_64_rebase { 1131 uint64_t target : 36; 1132 uint64_t high8 : 8; 1133 uint64_t reserved : 7; 1134 uint64_t next : 12; 1135 uint64_t bind : 1; // set to 0 1136 }; 1137 1138 // Byte order swapping functions for MachO structs 1139 1140 inline void swapStruct(fat_header &mh) { 1141 sys::swapByteOrder(mh.magic); 1142 sys::swapByteOrder(mh.nfat_arch); 1143 } 1144 1145 inline void swapStruct(fat_arch &mh) { 1146 sys::swapByteOrder(mh.cputype); 1147 sys::swapByteOrder(mh.cpusubtype); 1148 sys::swapByteOrder(mh.offset); 1149 sys::swapByteOrder(mh.size); 1150 sys::swapByteOrder(mh.align); 1151 } 1152 1153 inline void swapStruct(fat_arch_64 &mh) { 1154 sys::swapByteOrder(mh.cputype); 1155 sys::swapByteOrder(mh.cpusubtype); 1156 sys::swapByteOrder(mh.offset); 1157 sys::swapByteOrder(mh.size); 1158 sys::swapByteOrder(mh.align); 1159 sys::swapByteOrder(mh.reserved); 1160 } 1161 1162 inline void swapStruct(mach_header &mh) { 1163 sys::swapByteOrder(mh.magic); 1164 sys::swapByteOrder(mh.cputype); 1165 sys::swapByteOrder(mh.cpusubtype); 1166 sys::swapByteOrder(mh.filetype); 1167 sys::swapByteOrder(mh.ncmds); 1168 sys::swapByteOrder(mh.sizeofcmds); 1169 sys::swapByteOrder(mh.flags); 1170 } 1171 1172 inline void swapStruct(mach_header_64 &H) { 1173 sys::swapByteOrder(H.magic); 1174 sys::swapByteOrder(H.cputype); 1175 sys::swapByteOrder(H.cpusubtype); 1176 sys::swapByteOrder(H.filetype); 1177 sys::swapByteOrder(H.ncmds); 1178 sys::swapByteOrder(H.sizeofcmds); 1179 sys::swapByteOrder(H.flags); 1180 sys::swapByteOrder(H.reserved); 1181 } 1182 1183 inline void swapStruct(load_command &lc) { 1184 sys::swapByteOrder(lc.cmd); 1185 sys::swapByteOrder(lc.cmdsize); 1186 } 1187 1188 inline void swapStruct(symtab_command &lc) { 1189 sys::swapByteOrder(lc.cmd); 1190 sys::swapByteOrder(lc.cmdsize); 1191 sys::swapByteOrder(lc.symoff); 1192 sys::swapByteOrder(lc.nsyms); 1193 sys::swapByteOrder(lc.stroff); 1194 sys::swapByteOrder(lc.strsize); 1195 } 1196 1197 inline void swapStruct(segment_command_64 &seg) { 1198 sys::swapByteOrder(seg.cmd); 1199 sys::swapByteOrder(seg.cmdsize); 1200 sys::swapByteOrder(seg.vmaddr); 1201 sys::swapByteOrder(seg.vmsize); 1202 sys::swapByteOrder(seg.fileoff); 1203 sys::swapByteOrder(seg.filesize); 1204 sys::swapByteOrder(seg.maxprot); 1205 sys::swapByteOrder(seg.initprot); 1206 sys::swapByteOrder(seg.nsects); 1207 sys::swapByteOrder(seg.flags); 1208 } 1209 1210 inline void swapStruct(segment_command &seg) { 1211 sys::swapByteOrder(seg.cmd); 1212 sys::swapByteOrder(seg.cmdsize); 1213 sys::swapByteOrder(seg.vmaddr); 1214 sys::swapByteOrder(seg.vmsize); 1215 sys::swapByteOrder(seg.fileoff); 1216 sys::swapByteOrder(seg.filesize); 1217 sys::swapByteOrder(seg.maxprot); 1218 sys::swapByteOrder(seg.initprot); 1219 sys::swapByteOrder(seg.nsects); 1220 sys::swapByteOrder(seg.flags); 1221 } 1222 1223 inline void swapStruct(section_64 §) { 1224 sys::swapByteOrder(sect.addr); 1225 sys::swapByteOrder(sect.size); 1226 sys::swapByteOrder(sect.offset); 1227 sys::swapByteOrder(sect.align); 1228 sys::swapByteOrder(sect.reloff); 1229 sys::swapByteOrder(sect.nreloc); 1230 sys::swapByteOrder(sect.flags); 1231 sys::swapByteOrder(sect.reserved1); 1232 sys::swapByteOrder(sect.reserved2); 1233 } 1234 1235 inline void swapStruct(section §) { 1236 sys::swapByteOrder(sect.addr); 1237 sys::swapByteOrder(sect.size); 1238 sys::swapByteOrder(sect.offset); 1239 sys::swapByteOrder(sect.align); 1240 sys::swapByteOrder(sect.reloff); 1241 sys::swapByteOrder(sect.nreloc); 1242 sys::swapByteOrder(sect.flags); 1243 sys::swapByteOrder(sect.reserved1); 1244 sys::swapByteOrder(sect.reserved2); 1245 } 1246 1247 inline void swapStruct(dyld_info_command &info) { 1248 sys::swapByteOrder(info.cmd); 1249 sys::swapByteOrder(info.cmdsize); 1250 sys::swapByteOrder(info.rebase_off); 1251 sys::swapByteOrder(info.rebase_size); 1252 sys::swapByteOrder(info.bind_off); 1253 sys::swapByteOrder(info.bind_size); 1254 sys::swapByteOrder(info.weak_bind_off); 1255 sys::swapByteOrder(info.weak_bind_size); 1256 sys::swapByteOrder(info.lazy_bind_off); 1257 sys::swapByteOrder(info.lazy_bind_size); 1258 sys::swapByteOrder(info.export_off); 1259 sys::swapByteOrder(info.export_size); 1260 } 1261 1262 inline void swapStruct(dylib_command &d) { 1263 sys::swapByteOrder(d.cmd); 1264 sys::swapByteOrder(d.cmdsize); 1265 sys::swapByteOrder(d.dylib.name); 1266 sys::swapByteOrder(d.dylib.timestamp); 1267 sys::swapByteOrder(d.dylib.current_version); 1268 sys::swapByteOrder(d.dylib.compatibility_version); 1269 } 1270 1271 inline void swapStruct(sub_framework_command &s) { 1272 sys::swapByteOrder(s.cmd); 1273 sys::swapByteOrder(s.cmdsize); 1274 sys::swapByteOrder(s.umbrella); 1275 } 1276 1277 inline void swapStruct(sub_umbrella_command &s) { 1278 sys::swapByteOrder(s.cmd); 1279 sys::swapByteOrder(s.cmdsize); 1280 sys::swapByteOrder(s.sub_umbrella); 1281 } 1282 1283 inline void swapStruct(sub_library_command &s) { 1284 sys::swapByteOrder(s.cmd); 1285 sys::swapByteOrder(s.cmdsize); 1286 sys::swapByteOrder(s.sub_library); 1287 } 1288 1289 inline void swapStruct(sub_client_command &s) { 1290 sys::swapByteOrder(s.cmd); 1291 sys::swapByteOrder(s.cmdsize); 1292 sys::swapByteOrder(s.client); 1293 } 1294 1295 inline void swapStruct(routines_command &r) { 1296 sys::swapByteOrder(r.cmd); 1297 sys::swapByteOrder(r.cmdsize); 1298 sys::swapByteOrder(r.init_address); 1299 sys::swapByteOrder(r.init_module); 1300 sys::swapByteOrder(r.reserved1); 1301 sys::swapByteOrder(r.reserved2); 1302 sys::swapByteOrder(r.reserved3); 1303 sys::swapByteOrder(r.reserved4); 1304 sys::swapByteOrder(r.reserved5); 1305 sys::swapByteOrder(r.reserved6); 1306 } 1307 1308 inline void swapStruct(routines_command_64 &r) { 1309 sys::swapByteOrder(r.cmd); 1310 sys::swapByteOrder(r.cmdsize); 1311 sys::swapByteOrder(r.init_address); 1312 sys::swapByteOrder(r.init_module); 1313 sys::swapByteOrder(r.reserved1); 1314 sys::swapByteOrder(r.reserved2); 1315 sys::swapByteOrder(r.reserved3); 1316 sys::swapByteOrder(r.reserved4); 1317 sys::swapByteOrder(r.reserved5); 1318 sys::swapByteOrder(r.reserved6); 1319 } 1320 1321 inline void swapStruct(thread_command &t) { 1322 sys::swapByteOrder(t.cmd); 1323 sys::swapByteOrder(t.cmdsize); 1324 } 1325 1326 inline void swapStruct(dylinker_command &d) { 1327 sys::swapByteOrder(d.cmd); 1328 sys::swapByteOrder(d.cmdsize); 1329 sys::swapByteOrder(d.name); 1330 } 1331 1332 inline void swapStruct(uuid_command &u) { 1333 sys::swapByteOrder(u.cmd); 1334 sys::swapByteOrder(u.cmdsize); 1335 } 1336 1337 inline void swapStruct(rpath_command &r) { 1338 sys::swapByteOrder(r.cmd); 1339 sys::swapByteOrder(r.cmdsize); 1340 sys::swapByteOrder(r.path); 1341 } 1342 1343 inline void swapStruct(source_version_command &s) { 1344 sys::swapByteOrder(s.cmd); 1345 sys::swapByteOrder(s.cmdsize); 1346 sys::swapByteOrder(s.version); 1347 } 1348 1349 inline void swapStruct(entry_point_command &e) { 1350 sys::swapByteOrder(e.cmd); 1351 sys::swapByteOrder(e.cmdsize); 1352 sys::swapByteOrder(e.entryoff); 1353 sys::swapByteOrder(e.stacksize); 1354 } 1355 1356 inline void swapStruct(encryption_info_command &e) { 1357 sys::swapByteOrder(e.cmd); 1358 sys::swapByteOrder(e.cmdsize); 1359 sys::swapByteOrder(e.cryptoff); 1360 sys::swapByteOrder(e.cryptsize); 1361 sys::swapByteOrder(e.cryptid); 1362 } 1363 1364 inline void swapStruct(encryption_info_command_64 &e) { 1365 sys::swapByteOrder(e.cmd); 1366 sys::swapByteOrder(e.cmdsize); 1367 sys::swapByteOrder(e.cryptoff); 1368 sys::swapByteOrder(e.cryptsize); 1369 sys::swapByteOrder(e.cryptid); 1370 sys::swapByteOrder(e.pad); 1371 } 1372 1373 inline void swapStruct(dysymtab_command &dst) { 1374 sys::swapByteOrder(dst.cmd); 1375 sys::swapByteOrder(dst.cmdsize); 1376 sys::swapByteOrder(dst.ilocalsym); 1377 sys::swapByteOrder(dst.nlocalsym); 1378 sys::swapByteOrder(dst.iextdefsym); 1379 sys::swapByteOrder(dst.nextdefsym); 1380 sys::swapByteOrder(dst.iundefsym); 1381 sys::swapByteOrder(dst.nundefsym); 1382 sys::swapByteOrder(dst.tocoff); 1383 sys::swapByteOrder(dst.ntoc); 1384 sys::swapByteOrder(dst.modtaboff); 1385 sys::swapByteOrder(dst.nmodtab); 1386 sys::swapByteOrder(dst.extrefsymoff); 1387 sys::swapByteOrder(dst.nextrefsyms); 1388 sys::swapByteOrder(dst.indirectsymoff); 1389 sys::swapByteOrder(dst.nindirectsyms); 1390 sys::swapByteOrder(dst.extreloff); 1391 sys::swapByteOrder(dst.nextrel); 1392 sys::swapByteOrder(dst.locreloff); 1393 sys::swapByteOrder(dst.nlocrel); 1394 } 1395 1396 inline void swapStruct(any_relocation_info &reloc) { 1397 sys::swapByteOrder(reloc.r_word0); 1398 sys::swapByteOrder(reloc.r_word1); 1399 } 1400 1401 inline void swapStruct(nlist_base &S) { 1402 sys::swapByteOrder(S.n_strx); 1403 sys::swapByteOrder(S.n_desc); 1404 } 1405 1406 inline void swapStruct(nlist &sym) { 1407 sys::swapByteOrder(sym.n_strx); 1408 sys::swapByteOrder(sym.n_desc); 1409 sys::swapByteOrder(sym.n_value); 1410 } 1411 1412 inline void swapStruct(nlist_64 &sym) { 1413 sys::swapByteOrder(sym.n_strx); 1414 sys::swapByteOrder(sym.n_desc); 1415 sys::swapByteOrder(sym.n_value); 1416 } 1417 1418 inline void swapStruct(linkedit_data_command &C) { 1419 sys::swapByteOrder(C.cmd); 1420 sys::swapByteOrder(C.cmdsize); 1421 sys::swapByteOrder(C.dataoff); 1422 sys::swapByteOrder(C.datasize); 1423 } 1424 1425 inline void swapStruct(linker_option_command &C) { 1426 sys::swapByteOrder(C.cmd); 1427 sys::swapByteOrder(C.cmdsize); 1428 sys::swapByteOrder(C.count); 1429 } 1430 1431 inline void swapStruct(fileset_entry_command &C) { 1432 sys::swapByteOrder(C.cmd); 1433 sys::swapByteOrder(C.cmdsize); 1434 sys::swapByteOrder(C.vmaddr); 1435 sys::swapByteOrder(C.fileoff); 1436 sys::swapByteOrder(C.entry_id.offset); 1437 sys::swapByteOrder(C.reserved); 1438 } 1439 1440 inline void swapStruct(version_min_command &C) { 1441 sys::swapByteOrder(C.cmd); 1442 sys::swapByteOrder(C.cmdsize); 1443 sys::swapByteOrder(C.version); 1444 sys::swapByteOrder(C.sdk); 1445 } 1446 1447 inline void swapStruct(note_command &C) { 1448 sys::swapByteOrder(C.cmd); 1449 sys::swapByteOrder(C.cmdsize); 1450 sys::swapByteOrder(C.offset); 1451 sys::swapByteOrder(C.size); 1452 } 1453 1454 inline void swapStruct(build_version_command &C) { 1455 sys::swapByteOrder(C.cmd); 1456 sys::swapByteOrder(C.cmdsize); 1457 sys::swapByteOrder(C.platform); 1458 sys::swapByteOrder(C.minos); 1459 sys::swapByteOrder(C.sdk); 1460 sys::swapByteOrder(C.ntools); 1461 } 1462 1463 inline void swapStruct(build_tool_version &C) { 1464 sys::swapByteOrder(C.tool); 1465 sys::swapByteOrder(C.version); 1466 } 1467 1468 inline void swapStruct(data_in_code_entry &C) { 1469 sys::swapByteOrder(C.offset); 1470 sys::swapByteOrder(C.length); 1471 sys::swapByteOrder(C.kind); 1472 } 1473 1474 inline void swapStruct(uint32_t &C) { sys::swapByteOrder(C); } 1475 1476 // The prebind_cksum_command is obsolete and no longer supported. 1477 inline void swapStruct(prebind_cksum_command &C) { 1478 sys::swapByteOrder(C.cmd); 1479 sys::swapByteOrder(C.cmdsize); 1480 sys::swapByteOrder(C.cksum); 1481 } 1482 1483 // The twolevel_hints_command is obsolete and no longer supported. 1484 inline void swapStruct(twolevel_hints_command &C) { 1485 sys::swapByteOrder(C.cmd); 1486 sys::swapByteOrder(C.cmdsize); 1487 sys::swapByteOrder(C.offset); 1488 sys::swapByteOrder(C.nhints); 1489 } 1490 1491 // The prebound_dylib_command is obsolete and no longer supported. 1492 inline void swapStruct(prebound_dylib_command &C) { 1493 sys::swapByteOrder(C.cmd); 1494 sys::swapByteOrder(C.cmdsize); 1495 sys::swapByteOrder(C.name); 1496 sys::swapByteOrder(C.nmodules); 1497 sys::swapByteOrder(C.linked_modules); 1498 } 1499 1500 // The fvmfile_command is obsolete and no longer supported. 1501 inline void swapStruct(fvmfile_command &C) { 1502 sys::swapByteOrder(C.cmd); 1503 sys::swapByteOrder(C.cmdsize); 1504 sys::swapByteOrder(C.name); 1505 sys::swapByteOrder(C.header_addr); 1506 } 1507 1508 // The symseg_command is obsolete and no longer supported. 1509 inline void swapStruct(symseg_command &C) { 1510 sys::swapByteOrder(C.cmd); 1511 sys::swapByteOrder(C.cmdsize); 1512 sys::swapByteOrder(C.offset); 1513 sys::swapByteOrder(C.size); 1514 } 1515 1516 // The ident_command is obsolete and no longer supported. 1517 inline void swapStruct(ident_command &C) { 1518 sys::swapByteOrder(C.cmd); 1519 sys::swapByteOrder(C.cmdsize); 1520 } 1521 1522 inline void swapStruct(fvmlib &C) { 1523 sys::swapByteOrder(C.name); 1524 sys::swapByteOrder(C.minor_version); 1525 sys::swapByteOrder(C.header_addr); 1526 } 1527 1528 // The fvmlib_command is obsolete and no longer supported. 1529 inline void swapStruct(fvmlib_command &C) { 1530 sys::swapByteOrder(C.cmd); 1531 sys::swapByteOrder(C.cmdsize); 1532 swapStruct(C.fvmlib); 1533 } 1534 1535 // Get/Set functions from <mach-o/nlist.h> 1536 1537 inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc) { 1538 return (((n_desc) >> 8u) & 0xffu); 1539 } 1540 1541 inline void SET_LIBRARY_ORDINAL(uint16_t &n_desc, uint8_t ordinal) { 1542 n_desc = (((n_desc)&0x00ff) | (((ordinal)&0xff) << 8)); 1543 } 1544 1545 inline uint8_t GET_COMM_ALIGN(uint16_t n_desc) { 1546 return (n_desc >> 8u) & 0x0fu; 1547 } 1548 1549 inline void SET_COMM_ALIGN(uint16_t &n_desc, uint8_t align) { 1550 n_desc = ((n_desc & 0xf0ffu) | ((align & 0x0fu) << 8u)); 1551 } 1552 1553 // Enums from <mach/machine.h> 1554 enum : uint32_t { 1555 // Capability bits used in the definition of cpu_type. 1556 CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits 1557 CPU_ARCH_ABI64 = 0x01000000, // 64 bit ABI 1558 CPU_ARCH_ABI64_32 = 0x02000000, // ILP32 ABI on 64-bit hardware 1559 }; 1560 1561 // Constants for the cputype field. 1562 enum CPUType { 1563 CPU_TYPE_ANY = -1, 1564 CPU_TYPE_X86 = 7, 1565 CPU_TYPE_I386 = CPU_TYPE_X86, 1566 CPU_TYPE_X86_64 = CPU_TYPE_X86 | CPU_ARCH_ABI64, 1567 /* CPU_TYPE_MIPS = 8, */ 1568 CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC 1569 CPU_TYPE_ARM = 12, 1570 CPU_TYPE_ARM64 = CPU_TYPE_ARM | CPU_ARCH_ABI64, 1571 CPU_TYPE_ARM64_32 = CPU_TYPE_ARM | CPU_ARCH_ABI64_32, 1572 CPU_TYPE_SPARC = 14, 1573 CPU_TYPE_POWERPC = 18, 1574 CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64 1575 }; 1576 1577 enum : uint32_t { 1578 // Capability bits used in the definition of cpusubtype. 1579 CPU_SUBTYPE_MASK = 0xff000000, // Mask for architecture bits 1580 CPU_SUBTYPE_LIB64 = 0x80000000, // 64 bit libraries 1581 1582 // Special CPU subtype constants. 1583 CPU_SUBTYPE_MULTIPLE = ~0u 1584 }; 1585 1586 // Constants for the cpusubtype field. 1587 enum CPUSubTypeX86 { 1588 CPU_SUBTYPE_I386_ALL = 3, 1589 CPU_SUBTYPE_386 = 3, 1590 CPU_SUBTYPE_486 = 4, 1591 CPU_SUBTYPE_486SX = 0x84, 1592 CPU_SUBTYPE_586 = 5, 1593 CPU_SUBTYPE_PENT = CPU_SUBTYPE_586, 1594 CPU_SUBTYPE_PENTPRO = 0x16, 1595 CPU_SUBTYPE_PENTII_M3 = 0x36, 1596 CPU_SUBTYPE_PENTII_M5 = 0x56, 1597 CPU_SUBTYPE_CELERON = 0x67, 1598 CPU_SUBTYPE_CELERON_MOBILE = 0x77, 1599 CPU_SUBTYPE_PENTIUM_3 = 0x08, 1600 CPU_SUBTYPE_PENTIUM_3_M = 0x18, 1601 CPU_SUBTYPE_PENTIUM_3_XEON = 0x28, 1602 CPU_SUBTYPE_PENTIUM_M = 0x09, 1603 CPU_SUBTYPE_PENTIUM_4 = 0x0a, 1604 CPU_SUBTYPE_PENTIUM_4_M = 0x1a, 1605 CPU_SUBTYPE_ITANIUM = 0x0b, 1606 CPU_SUBTYPE_ITANIUM_2 = 0x1b, 1607 CPU_SUBTYPE_XEON = 0x0c, 1608 CPU_SUBTYPE_XEON_MP = 0x1c, 1609 1610 CPU_SUBTYPE_X86_ALL = 3, 1611 CPU_SUBTYPE_X86_64_ALL = 3, 1612 CPU_SUBTYPE_X86_ARCH1 = 4, 1613 CPU_SUBTYPE_X86_64_H = 8 1614 }; 1615 inline int CPU_SUBTYPE_INTEL(int Family, int Model) { 1616 return Family | (Model << 4); 1617 } 1618 inline int CPU_SUBTYPE_INTEL_FAMILY(CPUSubTypeX86 ST) { 1619 return ((int)ST) & 0x0f; 1620 } 1621 inline int CPU_SUBTYPE_INTEL_MODEL(CPUSubTypeX86 ST) { return ((int)ST) >> 4; } 1622 enum { CPU_SUBTYPE_INTEL_FAMILY_MAX = 15, CPU_SUBTYPE_INTEL_MODEL_ALL = 0 }; 1623 1624 enum CPUSubTypeARM { 1625 CPU_SUBTYPE_ARM_ALL = 0, 1626 CPU_SUBTYPE_ARM_V4T = 5, 1627 CPU_SUBTYPE_ARM_V6 = 6, 1628 CPU_SUBTYPE_ARM_V5 = 7, 1629 CPU_SUBTYPE_ARM_V5TEJ = 7, 1630 CPU_SUBTYPE_ARM_XSCALE = 8, 1631 CPU_SUBTYPE_ARM_V7 = 9, 1632 // unused ARM_V7F = 10, 1633 CPU_SUBTYPE_ARM_V7S = 11, 1634 CPU_SUBTYPE_ARM_V7K = 12, 1635 CPU_SUBTYPE_ARM_V6M = 14, 1636 CPU_SUBTYPE_ARM_V7M = 15, 1637 CPU_SUBTYPE_ARM_V7EM = 16 1638 }; 1639 1640 enum CPUSubTypeARM64 { 1641 CPU_SUBTYPE_ARM64_ALL = 0, 1642 CPU_SUBTYPE_ARM64_V8 = 1, 1643 CPU_SUBTYPE_ARM64E = 2, 1644 }; 1645 1646 enum CPUSubTypeARM64_32 { CPU_SUBTYPE_ARM64_32_V8 = 1 }; 1647 1648 enum CPUSubTypeSPARC { CPU_SUBTYPE_SPARC_ALL = 0 }; 1649 1650 enum CPUSubTypePowerPC { 1651 CPU_SUBTYPE_POWERPC_ALL = 0, 1652 CPU_SUBTYPE_POWERPC_601 = 1, 1653 CPU_SUBTYPE_POWERPC_602 = 2, 1654 CPU_SUBTYPE_POWERPC_603 = 3, 1655 CPU_SUBTYPE_POWERPC_603e = 4, 1656 CPU_SUBTYPE_POWERPC_603ev = 5, 1657 CPU_SUBTYPE_POWERPC_604 = 6, 1658 CPU_SUBTYPE_POWERPC_604e = 7, 1659 CPU_SUBTYPE_POWERPC_620 = 8, 1660 CPU_SUBTYPE_POWERPC_750 = 9, 1661 CPU_SUBTYPE_POWERPC_7400 = 10, 1662 CPU_SUBTYPE_POWERPC_7450 = 11, 1663 CPU_SUBTYPE_POWERPC_970 = 100, 1664 1665 CPU_SUBTYPE_MC980000_ALL = CPU_SUBTYPE_POWERPC_ALL, 1666 CPU_SUBTYPE_MC98601 = CPU_SUBTYPE_POWERPC_601 1667 }; 1668 1669 Expected<uint32_t> getCPUType(const Triple &T); 1670 Expected<uint32_t> getCPUSubType(const Triple &T); 1671 1672 struct x86_thread_state32_t { 1673 uint32_t eax; 1674 uint32_t ebx; 1675 uint32_t ecx; 1676 uint32_t edx; 1677 uint32_t edi; 1678 uint32_t esi; 1679 uint32_t ebp; 1680 uint32_t esp; 1681 uint32_t ss; 1682 uint32_t eflags; 1683 uint32_t eip; 1684 uint32_t cs; 1685 uint32_t ds; 1686 uint32_t es; 1687 uint32_t fs; 1688 uint32_t gs; 1689 }; 1690 1691 struct x86_thread_state64_t { 1692 uint64_t rax; 1693 uint64_t rbx; 1694 uint64_t rcx; 1695 uint64_t rdx; 1696 uint64_t rdi; 1697 uint64_t rsi; 1698 uint64_t rbp; 1699 uint64_t rsp; 1700 uint64_t r8; 1701 uint64_t r9; 1702 uint64_t r10; 1703 uint64_t r11; 1704 uint64_t r12; 1705 uint64_t r13; 1706 uint64_t r14; 1707 uint64_t r15; 1708 uint64_t rip; 1709 uint64_t rflags; 1710 uint64_t cs; 1711 uint64_t fs; 1712 uint64_t gs; 1713 }; 1714 1715 enum x86_fp_control_precis { 1716 x86_FP_PREC_24B = 0, 1717 x86_FP_PREC_53B = 2, 1718 x86_FP_PREC_64B = 3 1719 }; 1720 1721 enum x86_fp_control_rc { 1722 x86_FP_RND_NEAR = 0, 1723 x86_FP_RND_DOWN = 1, 1724 x86_FP_RND_UP = 2, 1725 x86_FP_CHOP = 3 1726 }; 1727 1728 struct fp_control_t { 1729 unsigned short invalid : 1, denorm : 1, zdiv : 1, ovrfl : 1, undfl : 1, 1730 precis : 1, : 2, pc : 2, rc : 2, : 1, : 3; 1731 }; 1732 1733 struct fp_status_t { 1734 unsigned short invalid : 1, denorm : 1, zdiv : 1, ovrfl : 1, undfl : 1, 1735 precis : 1, stkflt : 1, errsumm : 1, c0 : 1, c1 : 1, c2 : 1, tos : 3, 1736 c3 : 1, busy : 1; 1737 }; 1738 1739 struct mmst_reg_t { 1740 char mmst_reg[10]; 1741 char mmst_rsrv[6]; 1742 }; 1743 1744 struct xmm_reg_t { 1745 char xmm_reg[16]; 1746 }; 1747 1748 struct x86_float_state64_t { 1749 int32_t fpu_reserved[2]; 1750 fp_control_t fpu_fcw; 1751 fp_status_t fpu_fsw; 1752 uint8_t fpu_ftw; 1753 uint8_t fpu_rsrv1; 1754 uint16_t fpu_fop; 1755 uint32_t fpu_ip; 1756 uint16_t fpu_cs; 1757 uint16_t fpu_rsrv2; 1758 uint32_t fpu_dp; 1759 uint16_t fpu_ds; 1760 uint16_t fpu_rsrv3; 1761 uint32_t fpu_mxcsr; 1762 uint32_t fpu_mxcsrmask; 1763 mmst_reg_t fpu_stmm0; 1764 mmst_reg_t fpu_stmm1; 1765 mmst_reg_t fpu_stmm2; 1766 mmst_reg_t fpu_stmm3; 1767 mmst_reg_t fpu_stmm4; 1768 mmst_reg_t fpu_stmm5; 1769 mmst_reg_t fpu_stmm6; 1770 mmst_reg_t fpu_stmm7; 1771 xmm_reg_t fpu_xmm0; 1772 xmm_reg_t fpu_xmm1; 1773 xmm_reg_t fpu_xmm2; 1774 xmm_reg_t fpu_xmm3; 1775 xmm_reg_t fpu_xmm4; 1776 xmm_reg_t fpu_xmm5; 1777 xmm_reg_t fpu_xmm6; 1778 xmm_reg_t fpu_xmm7; 1779 xmm_reg_t fpu_xmm8; 1780 xmm_reg_t fpu_xmm9; 1781 xmm_reg_t fpu_xmm10; 1782 xmm_reg_t fpu_xmm11; 1783 xmm_reg_t fpu_xmm12; 1784 xmm_reg_t fpu_xmm13; 1785 xmm_reg_t fpu_xmm14; 1786 xmm_reg_t fpu_xmm15; 1787 char fpu_rsrv4[6 * 16]; 1788 uint32_t fpu_reserved1; 1789 }; 1790 1791 struct x86_exception_state64_t { 1792 uint16_t trapno; 1793 uint16_t cpu; 1794 uint32_t err; 1795 uint64_t faultvaddr; 1796 }; 1797 1798 inline void swapStruct(x86_thread_state32_t &x) { 1799 sys::swapByteOrder(x.eax); 1800 sys::swapByteOrder(x.ebx); 1801 sys::swapByteOrder(x.ecx); 1802 sys::swapByteOrder(x.edx); 1803 sys::swapByteOrder(x.edi); 1804 sys::swapByteOrder(x.esi); 1805 sys::swapByteOrder(x.ebp); 1806 sys::swapByteOrder(x.esp); 1807 sys::swapByteOrder(x.ss); 1808 sys::swapByteOrder(x.eflags); 1809 sys::swapByteOrder(x.eip); 1810 sys::swapByteOrder(x.cs); 1811 sys::swapByteOrder(x.ds); 1812 sys::swapByteOrder(x.es); 1813 sys::swapByteOrder(x.fs); 1814 sys::swapByteOrder(x.gs); 1815 } 1816 1817 inline void swapStruct(x86_thread_state64_t &x) { 1818 sys::swapByteOrder(x.rax); 1819 sys::swapByteOrder(x.rbx); 1820 sys::swapByteOrder(x.rcx); 1821 sys::swapByteOrder(x.rdx); 1822 sys::swapByteOrder(x.rdi); 1823 sys::swapByteOrder(x.rsi); 1824 sys::swapByteOrder(x.rbp); 1825 sys::swapByteOrder(x.rsp); 1826 sys::swapByteOrder(x.r8); 1827 sys::swapByteOrder(x.r9); 1828 sys::swapByteOrder(x.r10); 1829 sys::swapByteOrder(x.r11); 1830 sys::swapByteOrder(x.r12); 1831 sys::swapByteOrder(x.r13); 1832 sys::swapByteOrder(x.r14); 1833 sys::swapByteOrder(x.r15); 1834 sys::swapByteOrder(x.rip); 1835 sys::swapByteOrder(x.rflags); 1836 sys::swapByteOrder(x.cs); 1837 sys::swapByteOrder(x.fs); 1838 sys::swapByteOrder(x.gs); 1839 } 1840 1841 inline void swapStruct(x86_float_state64_t &x) { 1842 sys::swapByteOrder(x.fpu_reserved[0]); 1843 sys::swapByteOrder(x.fpu_reserved[1]); 1844 // TODO swap: fp_control_t fpu_fcw; 1845 // TODO swap: fp_status_t fpu_fsw; 1846 sys::swapByteOrder(x.fpu_fop); 1847 sys::swapByteOrder(x.fpu_ip); 1848 sys::swapByteOrder(x.fpu_cs); 1849 sys::swapByteOrder(x.fpu_rsrv2); 1850 sys::swapByteOrder(x.fpu_dp); 1851 sys::swapByteOrder(x.fpu_ds); 1852 sys::swapByteOrder(x.fpu_rsrv3); 1853 sys::swapByteOrder(x.fpu_mxcsr); 1854 sys::swapByteOrder(x.fpu_mxcsrmask); 1855 sys::swapByteOrder(x.fpu_reserved1); 1856 } 1857 1858 inline void swapStruct(x86_exception_state64_t &x) { 1859 sys::swapByteOrder(x.trapno); 1860 sys::swapByteOrder(x.cpu); 1861 sys::swapByteOrder(x.err); 1862 sys::swapByteOrder(x.faultvaddr); 1863 } 1864 1865 struct x86_state_hdr_t { 1866 uint32_t flavor; 1867 uint32_t count; 1868 }; 1869 1870 struct x86_thread_state_t { 1871 x86_state_hdr_t tsh; 1872 union { 1873 x86_thread_state64_t ts64; 1874 x86_thread_state32_t ts32; 1875 } uts; 1876 }; 1877 1878 struct x86_float_state_t { 1879 x86_state_hdr_t fsh; 1880 union { 1881 x86_float_state64_t fs64; 1882 } ufs; 1883 }; 1884 1885 struct x86_exception_state_t { 1886 x86_state_hdr_t esh; 1887 union { 1888 x86_exception_state64_t es64; 1889 } ues; 1890 }; 1891 1892 inline void swapStruct(x86_state_hdr_t &x) { 1893 sys::swapByteOrder(x.flavor); 1894 sys::swapByteOrder(x.count); 1895 } 1896 1897 enum X86ThreadFlavors { 1898 x86_THREAD_STATE32 = 1, 1899 x86_FLOAT_STATE32 = 2, 1900 x86_EXCEPTION_STATE32 = 3, 1901 x86_THREAD_STATE64 = 4, 1902 x86_FLOAT_STATE64 = 5, 1903 x86_EXCEPTION_STATE64 = 6, 1904 x86_THREAD_STATE = 7, 1905 x86_FLOAT_STATE = 8, 1906 x86_EXCEPTION_STATE = 9, 1907 x86_DEBUG_STATE32 = 10, 1908 x86_DEBUG_STATE64 = 11, 1909 x86_DEBUG_STATE = 12 1910 }; 1911 1912 inline void swapStruct(x86_thread_state_t &x) { 1913 swapStruct(x.tsh); 1914 if (x.tsh.flavor == x86_THREAD_STATE64) 1915 swapStruct(x.uts.ts64); 1916 } 1917 1918 inline void swapStruct(x86_float_state_t &x) { 1919 swapStruct(x.fsh); 1920 if (x.fsh.flavor == x86_FLOAT_STATE64) 1921 swapStruct(x.ufs.fs64); 1922 } 1923 1924 inline void swapStruct(x86_exception_state_t &x) { 1925 swapStruct(x.esh); 1926 if (x.esh.flavor == x86_EXCEPTION_STATE64) 1927 swapStruct(x.ues.es64); 1928 } 1929 1930 const uint32_t x86_THREAD_STATE32_COUNT = 1931 sizeof(x86_thread_state32_t) / sizeof(uint32_t); 1932 1933 const uint32_t x86_THREAD_STATE64_COUNT = 1934 sizeof(x86_thread_state64_t) / sizeof(uint32_t); 1935 const uint32_t x86_FLOAT_STATE64_COUNT = 1936 sizeof(x86_float_state64_t) / sizeof(uint32_t); 1937 const uint32_t x86_EXCEPTION_STATE64_COUNT = 1938 sizeof(x86_exception_state64_t) / sizeof(uint32_t); 1939 1940 const uint32_t x86_THREAD_STATE_COUNT = 1941 sizeof(x86_thread_state_t) / sizeof(uint32_t); 1942 const uint32_t x86_FLOAT_STATE_COUNT = 1943 sizeof(x86_float_state_t) / sizeof(uint32_t); 1944 const uint32_t x86_EXCEPTION_STATE_COUNT = 1945 sizeof(x86_exception_state_t) / sizeof(uint32_t); 1946 1947 struct arm_thread_state32_t { 1948 uint32_t r[13]; 1949 uint32_t sp; 1950 uint32_t lr; 1951 uint32_t pc; 1952 uint32_t cpsr; 1953 }; 1954 1955 inline void swapStruct(arm_thread_state32_t &x) { 1956 for (int i = 0; i < 13; i++) 1957 sys::swapByteOrder(x.r[i]); 1958 sys::swapByteOrder(x.sp); 1959 sys::swapByteOrder(x.lr); 1960 sys::swapByteOrder(x.pc); 1961 sys::swapByteOrder(x.cpsr); 1962 } 1963 1964 struct arm_thread_state64_t { 1965 uint64_t x[29]; 1966 uint64_t fp; 1967 uint64_t lr; 1968 uint64_t sp; 1969 uint64_t pc; 1970 uint32_t cpsr; 1971 uint32_t pad; 1972 }; 1973 1974 inline void swapStruct(arm_thread_state64_t &x) { 1975 for (int i = 0; i < 29; i++) 1976 sys::swapByteOrder(x.x[i]); 1977 sys::swapByteOrder(x.fp); 1978 sys::swapByteOrder(x.lr); 1979 sys::swapByteOrder(x.sp); 1980 sys::swapByteOrder(x.pc); 1981 sys::swapByteOrder(x.cpsr); 1982 } 1983 1984 struct arm_state_hdr_t { 1985 uint32_t flavor; 1986 uint32_t count; 1987 }; 1988 1989 struct arm_thread_state_t { 1990 arm_state_hdr_t tsh; 1991 union { 1992 arm_thread_state32_t ts32; 1993 } uts; 1994 }; 1995 1996 inline void swapStruct(arm_state_hdr_t &x) { 1997 sys::swapByteOrder(x.flavor); 1998 sys::swapByteOrder(x.count); 1999 } 2000 2001 enum ARMThreadFlavors { 2002 ARM_THREAD_STATE = 1, 2003 ARM_VFP_STATE = 2, 2004 ARM_EXCEPTION_STATE = 3, 2005 ARM_DEBUG_STATE = 4, 2006 ARN_THREAD_STATE_NONE = 5, 2007 ARM_THREAD_STATE64 = 6, 2008 ARM_EXCEPTION_STATE64 = 7 2009 }; 2010 2011 inline void swapStruct(arm_thread_state_t &x) { 2012 swapStruct(x.tsh); 2013 if (x.tsh.flavor == ARM_THREAD_STATE) 2014 swapStruct(x.uts.ts32); 2015 } 2016 2017 const uint32_t ARM_THREAD_STATE_COUNT = 2018 sizeof(arm_thread_state32_t) / sizeof(uint32_t); 2019 2020 const uint32_t ARM_THREAD_STATE64_COUNT = 2021 sizeof(arm_thread_state64_t) / sizeof(uint32_t); 2022 2023 struct ppc_thread_state32_t { 2024 uint32_t srr0; 2025 uint32_t srr1; 2026 uint32_t r0; 2027 uint32_t r1; 2028 uint32_t r2; 2029 uint32_t r3; 2030 uint32_t r4; 2031 uint32_t r5; 2032 uint32_t r6; 2033 uint32_t r7; 2034 uint32_t r8; 2035 uint32_t r9; 2036 uint32_t r10; 2037 uint32_t r11; 2038 uint32_t r12; 2039 uint32_t r13; 2040 uint32_t r14; 2041 uint32_t r15; 2042 uint32_t r16; 2043 uint32_t r17; 2044 uint32_t r18; 2045 uint32_t r19; 2046 uint32_t r20; 2047 uint32_t r21; 2048 uint32_t r22; 2049 uint32_t r23; 2050 uint32_t r24; 2051 uint32_t r25; 2052 uint32_t r26; 2053 uint32_t r27; 2054 uint32_t r28; 2055 uint32_t r29; 2056 uint32_t r30; 2057 uint32_t r31; 2058 uint32_t ct; 2059 uint32_t xer; 2060 uint32_t lr; 2061 uint32_t ctr; 2062 uint32_t mq; 2063 uint32_t vrsave; 2064 }; 2065 2066 inline void swapStruct(ppc_thread_state32_t &x) { 2067 sys::swapByteOrder(x.srr0); 2068 sys::swapByteOrder(x.srr1); 2069 sys::swapByteOrder(x.r0); 2070 sys::swapByteOrder(x.r1); 2071 sys::swapByteOrder(x.r2); 2072 sys::swapByteOrder(x.r3); 2073 sys::swapByteOrder(x.r4); 2074 sys::swapByteOrder(x.r5); 2075 sys::swapByteOrder(x.r6); 2076 sys::swapByteOrder(x.r7); 2077 sys::swapByteOrder(x.r8); 2078 sys::swapByteOrder(x.r9); 2079 sys::swapByteOrder(x.r10); 2080 sys::swapByteOrder(x.r11); 2081 sys::swapByteOrder(x.r12); 2082 sys::swapByteOrder(x.r13); 2083 sys::swapByteOrder(x.r14); 2084 sys::swapByteOrder(x.r15); 2085 sys::swapByteOrder(x.r16); 2086 sys::swapByteOrder(x.r17); 2087 sys::swapByteOrder(x.r18); 2088 sys::swapByteOrder(x.r19); 2089 sys::swapByteOrder(x.r20); 2090 sys::swapByteOrder(x.r21); 2091 sys::swapByteOrder(x.r22); 2092 sys::swapByteOrder(x.r23); 2093 sys::swapByteOrder(x.r24); 2094 sys::swapByteOrder(x.r25); 2095 sys::swapByteOrder(x.r26); 2096 sys::swapByteOrder(x.r27); 2097 sys::swapByteOrder(x.r28); 2098 sys::swapByteOrder(x.r29); 2099 sys::swapByteOrder(x.r30); 2100 sys::swapByteOrder(x.r31); 2101 sys::swapByteOrder(x.ct); 2102 sys::swapByteOrder(x.xer); 2103 sys::swapByteOrder(x.lr); 2104 sys::swapByteOrder(x.ctr); 2105 sys::swapByteOrder(x.mq); 2106 sys::swapByteOrder(x.vrsave); 2107 } 2108 2109 struct ppc_state_hdr_t { 2110 uint32_t flavor; 2111 uint32_t count; 2112 }; 2113 2114 struct ppc_thread_state_t { 2115 ppc_state_hdr_t tsh; 2116 union { 2117 ppc_thread_state32_t ts32; 2118 } uts; 2119 }; 2120 2121 inline void swapStruct(ppc_state_hdr_t &x) { 2122 sys::swapByteOrder(x.flavor); 2123 sys::swapByteOrder(x.count); 2124 } 2125 2126 enum PPCThreadFlavors { 2127 PPC_THREAD_STATE = 1, 2128 PPC_FLOAT_STATE = 2, 2129 PPC_EXCEPTION_STATE = 3, 2130 PPC_VECTOR_STATE = 4, 2131 PPC_THREAD_STATE64 = 5, 2132 PPC_EXCEPTION_STATE64 = 6, 2133 PPC_THREAD_STATE_NONE = 7 2134 }; 2135 2136 inline void swapStruct(ppc_thread_state_t &x) { 2137 swapStruct(x.tsh); 2138 if (x.tsh.flavor == PPC_THREAD_STATE) 2139 swapStruct(x.uts.ts32); 2140 } 2141 2142 const uint32_t PPC_THREAD_STATE_COUNT = 2143 sizeof(ppc_thread_state32_t) / sizeof(uint32_t); 2144 2145 // Define a union of all load command structs 2146 #define LOAD_COMMAND_STRUCT(LCStruct) LCStruct LCStruct##_data; 2147 2148 LLVM_PACKED_START 2149 union alignas(4) macho_load_command { 2150 #include "llvm/BinaryFormat/MachO.def" 2151 }; 2152 LLVM_PACKED_END 2153 2154 inline void swapStruct(dyld_chained_fixups_header &C) { 2155 sys::swapByteOrder(C.fixups_version); 2156 sys::swapByteOrder(C.starts_offset); 2157 sys::swapByteOrder(C.imports_offset); 2158 sys::swapByteOrder(C.symbols_offset); 2159 sys::swapByteOrder(C.imports_count); 2160 sys::swapByteOrder(C.imports_format); 2161 sys::swapByteOrder(C.symbols_format); 2162 } 2163 2164 inline void swapStruct(dyld_chained_starts_in_image &C) { 2165 sys::swapByteOrder(C.seg_count); 2166 // getStructOrErr() cannot copy the variable-length seg_info_offset array. 2167 // Its elements must be byte swapped manually. 2168 } 2169 2170 inline void swapStruct(dyld_chained_starts_in_segment &C) { 2171 sys::swapByteOrder(C.size); 2172 sys::swapByteOrder(C.page_size); 2173 sys::swapByteOrder(C.pointer_format); 2174 sys::swapByteOrder(C.segment_offset); 2175 sys::swapByteOrder(C.max_valid_pointer); 2176 sys::swapByteOrder(C.page_count); 2177 // seg_info_offset entries must be byte swapped manually. 2178 } 2179 2180 /* code signing attributes of a process */ 2181 2182 enum CodeSignAttrs { 2183 CS_VALID = 0x00000001, /* dynamically valid */ 2184 CS_ADHOC = 0x00000002, /* ad hoc signed */ 2185 CS_GET_TASK_ALLOW = 0x00000004, /* has get-task-allow entitlement */ 2186 CS_INSTALLER = 0x00000008, /* has installer entitlement */ 2187 2188 CS_FORCED_LV = 2189 0x00000010, /* Library Validation required by Hardened System Policy */ 2190 CS_INVALID_ALLOWED = 0x00000020, /* (macOS Only) Page invalidation allowed by 2191 task port policy */ 2192 2193 CS_HARD = 0x00000100, /* don't load invalid pages */ 2194 CS_KILL = 0x00000200, /* kill process if it becomes invalid */ 2195 CS_CHECK_EXPIRATION = 0x00000400, /* force expiration checking */ 2196 CS_RESTRICT = 0x00000800, /* tell dyld to treat restricted */ 2197 2198 CS_ENFORCEMENT = 0x00001000, /* require enforcement */ 2199 CS_REQUIRE_LV = 0x00002000, /* require library validation */ 2200 CS_ENTITLEMENTS_VALIDATED = 2201 0x00004000, /* code signature permits restricted entitlements */ 2202 CS_NVRAM_UNRESTRICTED = 2203 0x00008000, /* has com.apple.rootless.restricted-nvram-variables.heritable 2204 entitlement */ 2205 2206 CS_RUNTIME = 0x00010000, /* Apply hardened runtime policies */ 2207 CS_LINKER_SIGNED = 0x00020000, /* Automatically signed by the linker */ 2208 2209 CS_ALLOWED_MACHO = 2210 (CS_ADHOC | CS_HARD | CS_KILL | CS_CHECK_EXPIRATION | CS_RESTRICT | 2211 CS_ENFORCEMENT | CS_REQUIRE_LV | CS_RUNTIME | CS_LINKER_SIGNED), 2212 2213 CS_EXEC_SET_HARD = 0x00100000, /* set CS_HARD on any exec'ed process */ 2214 CS_EXEC_SET_KILL = 0x00200000, /* set CS_KILL on any exec'ed process */ 2215 CS_EXEC_SET_ENFORCEMENT = 2216 0x00400000, /* set CS_ENFORCEMENT on any exec'ed process */ 2217 CS_EXEC_INHERIT_SIP = 2218 0x00800000, /* set CS_INSTALLER on any exec'ed process */ 2219 2220 CS_KILLED = 0x01000000, /* was killed by kernel for invalidity */ 2221 CS_DYLD_PLATFORM = 2222 0x02000000, /* dyld used to load this is a platform binary */ 2223 CS_PLATFORM_BINARY = 0x04000000, /* this is a platform binary */ 2224 CS_PLATFORM_PATH = 2225 0x08000000, /* platform binary by the fact of path (osx only) */ 2226 2227 CS_DEBUGGED = 0x10000000, /* process is currently or has previously been 2228 debugged and allowed to run with invalid pages */ 2229 CS_SIGNED = 0x20000000, /* process has a signature (may have gone invalid) */ 2230 CS_DEV_CODE = 2231 0x40000000, /* code is dev signed, cannot be loaded into prod signed code 2232 (will go away with rdar://problem/28322552) */ 2233 CS_DATAVAULT_CONTROLLER = 2234 0x80000000, /* has Data Vault controller entitlement */ 2235 2236 CS_ENTITLEMENT_FLAGS = (CS_GET_TASK_ALLOW | CS_INSTALLER | 2237 CS_DATAVAULT_CONTROLLER | CS_NVRAM_UNRESTRICTED), 2238 }; 2239 2240 /* executable segment flags */ 2241 2242 enum CodeSignExecSegFlags { 2243 2244 CS_EXECSEG_MAIN_BINARY = 0x1, /* executable segment denotes main binary */ 2245 CS_EXECSEG_ALLOW_UNSIGNED = 0x10, /* allow unsigned pages (for debugging) */ 2246 CS_EXECSEG_DEBUGGER = 0x20, /* main binary is debugger */ 2247 CS_EXECSEG_JIT = 0x40, /* JIT enabled */ 2248 CS_EXECSEG_SKIP_LV = 0x80, /* OBSOLETE: skip library validation */ 2249 CS_EXECSEG_CAN_LOAD_CDHASH = 0x100, /* can bless cdhash for execution */ 2250 CS_EXECSEG_CAN_EXEC_CDHASH = 0x200, /* can execute blessed cdhash */ 2251 2252 }; 2253 2254 /* Magic numbers used by Code Signing */ 2255 2256 enum CodeSignMagic { 2257 CSMAGIC_REQUIREMENT = 0xfade0c00, /* single Requirement blob */ 2258 CSMAGIC_REQUIREMENTS = 2259 0xfade0c01, /* Requirements vector (internal requirements) */ 2260 CSMAGIC_CODEDIRECTORY = 0xfade0c02, /* CodeDirectory blob */ 2261 CSMAGIC_EMBEDDED_SIGNATURE = 0xfade0cc0, /* embedded form of signature data */ 2262 CSMAGIC_EMBEDDED_SIGNATURE_OLD = 0xfade0b02, /* XXX */ 2263 CSMAGIC_EMBEDDED_ENTITLEMENTS = 0xfade7171, /* embedded entitlements */ 2264 CSMAGIC_DETACHED_SIGNATURE = 2265 0xfade0cc1, /* multi-arch collection of embedded signatures */ 2266 CSMAGIC_BLOBWRAPPER = 0xfade0b01, /* CMS Signature, among other things */ 2267 2268 CS_SUPPORTSSCATTER = 0x20100, 2269 CS_SUPPORTSTEAMID = 0x20200, 2270 CS_SUPPORTSCODELIMIT64 = 0x20300, 2271 CS_SUPPORTSEXECSEG = 0x20400, 2272 CS_SUPPORTSRUNTIME = 0x20500, 2273 CS_SUPPORTSLINKAGE = 0x20600, 2274 2275 CSSLOT_CODEDIRECTORY = 0, /* slot index for CodeDirectory */ 2276 CSSLOT_INFOSLOT = 1, 2277 CSSLOT_REQUIREMENTS = 2, 2278 CSSLOT_RESOURCEDIR = 3, 2279 CSSLOT_APPLICATION = 4, 2280 CSSLOT_ENTITLEMENTS = 5, 2281 2282 CSSLOT_ALTERNATE_CODEDIRECTORIES = 2283 0x1000, /* first alternate CodeDirectory, if any */ 2284 CSSLOT_ALTERNATE_CODEDIRECTORY_MAX = 5, /* max number of alternate CD slots */ 2285 CSSLOT_ALTERNATE_CODEDIRECTORY_LIMIT = 2286 CSSLOT_ALTERNATE_CODEDIRECTORIES + 2287 CSSLOT_ALTERNATE_CODEDIRECTORY_MAX, /* one past the last */ 2288 2289 CSSLOT_SIGNATURESLOT = 0x10000, /* CMS Signature */ 2290 CSSLOT_IDENTIFICATIONSLOT = 0x10001, 2291 CSSLOT_TICKETSLOT = 0x10002, 2292 2293 CSTYPE_INDEX_REQUIREMENTS = 0x00000002, /* compat with amfi */ 2294 CSTYPE_INDEX_ENTITLEMENTS = 0x00000005, /* compat with amfi */ 2295 2296 CS_HASHTYPE_SHA1 = 1, 2297 CS_HASHTYPE_SHA256 = 2, 2298 CS_HASHTYPE_SHA256_TRUNCATED = 3, 2299 CS_HASHTYPE_SHA384 = 4, 2300 2301 CS_SHA1_LEN = 20, 2302 CS_SHA256_LEN = 32, 2303 CS_SHA256_TRUNCATED_LEN = 20, 2304 2305 CS_CDHASH_LEN = 20, /* always - larger hashes are truncated */ 2306 CS_HASH_MAX_SIZE = 48, /* max size of the hash we'll support */ 2307 2308 /* 2309 * Currently only to support Legacy VPN plugins, and Mac App Store 2310 * but intended to replace all the various platform code, dev code etc. bits. 2311 */ 2312 CS_SIGNER_TYPE_UNKNOWN = 0, 2313 CS_SIGNER_TYPE_LEGACYVPN = 5, 2314 CS_SIGNER_TYPE_MAC_APP_STORE = 6, 2315 2316 CS_SUPPL_SIGNER_TYPE_UNKNOWN = 0, 2317 CS_SUPPL_SIGNER_TYPE_TRUSTCACHE = 7, 2318 CS_SUPPL_SIGNER_TYPE_LOCAL = 8, 2319 }; 2320 2321 struct CS_CodeDirectory { 2322 uint32_t magic; /* magic number (CSMAGIC_CODEDIRECTORY) */ 2323 uint32_t length; /* total length of CodeDirectory blob */ 2324 uint32_t version; /* compatibility version */ 2325 uint32_t flags; /* setup and mode flags */ 2326 uint32_t hashOffset; /* offset of hash slot element at index zero */ 2327 uint32_t identOffset; /* offset of identifier string */ 2328 uint32_t nSpecialSlots; /* number of special hash slots */ 2329 uint32_t nCodeSlots; /* number of ordinary (code) hash slots */ 2330 uint32_t codeLimit; /* limit to main image signature range */ 2331 uint8_t hashSize; /* size of each hash in bytes */ 2332 uint8_t hashType; /* type of hash (cdHashType* constants) */ 2333 uint8_t platform; /* platform identifier; zero if not platform binary */ 2334 uint8_t pageSize; /* log2(page size in bytes); 0 => infinite */ 2335 uint32_t spare2; /* unused (must be zero) */ 2336 2337 /* Version 0x20100 */ 2338 uint32_t scatterOffset; /* offset of optional scatter vector */ 2339 2340 /* Version 0x20200 */ 2341 uint32_t teamOffset; /* offset of optional team identifier */ 2342 2343 /* Version 0x20300 */ 2344 uint32_t spare3; /* unused (must be zero) */ 2345 uint64_t codeLimit64; /* limit to main image signature range, 64 bits */ 2346 2347 /* Version 0x20400 */ 2348 uint64_t execSegBase; /* offset of executable segment */ 2349 uint64_t execSegLimit; /* limit of executable segment */ 2350 uint64_t execSegFlags; /* executable segment flags */ 2351 }; 2352 2353 static_assert(sizeof(CS_CodeDirectory) == 88); 2354 2355 struct CS_BlobIndex { 2356 uint32_t type; /* type of entry */ 2357 uint32_t offset; /* offset of entry */ 2358 }; 2359 2360 struct CS_SuperBlob { 2361 uint32_t magic; /* magic number */ 2362 uint32_t length; /* total length of SuperBlob */ 2363 uint32_t count; /* number of index entries following */ 2364 /* followed by Blobs in no particular order as indicated by index offsets */ 2365 }; 2366 2367 enum SecCSDigestAlgorithm { 2368 kSecCodeSignatureNoHash = 0, /* null value */ 2369 kSecCodeSignatureHashSHA1 = 1, /* SHA-1 */ 2370 kSecCodeSignatureHashSHA256 = 2, /* SHA-256 */ 2371 kSecCodeSignatureHashSHA256Truncated = 2372 3, /* SHA-256 truncated to first 20 bytes */ 2373 kSecCodeSignatureHashSHA384 = 4, /* SHA-384 */ 2374 kSecCodeSignatureHashSHA512 = 5, /* SHA-512 */ 2375 }; 2376 2377 enum LinkerOptimizationHintKind { 2378 LOH_ARM64_ADRP_ADRP = 1, 2379 LOH_ARM64_ADRP_LDR = 2, 2380 LOH_ARM64_ADRP_ADD_LDR = 3, 2381 LOH_ARM64_ADRP_LDR_GOT_LDR = 4, 2382 LOH_ARM64_ADRP_ADD_STR = 5, 2383 LOH_ARM64_ADRP_LDR_GOT_STR = 6, 2384 LOH_ARM64_ADRP_ADD = 7, 2385 LOH_ARM64_ADRP_LDR_GOT = 8, 2386 }; 2387 2388 } // end namespace MachO 2389 } // end namespace llvm 2390 2391 #endif 2392