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