| 24 // Enums from <mach-o/loader.h>
25 enum {
26 // Constants for the "magic" field in llvm::MachO::mach_header and
27 // llvm::MachO::mach_header_64
28 HeaderMagic32 = 0xFEEDFACEu, // MH_MAGIC
29 HeaderMagic32Swapped = 0xCEFAEDFEu, // MH_CIGAM
30 HeaderMagic64 = 0xFEEDFACFu, // MH_MAGIC_64
31 HeaderMagic64Swapped = 0xCFFAEDFEu, // MH_CIGAM_64
32 UniversalMagic = 0xCAFEBABEu, // FAT_MAGIC
33 UniversalMagicSwapped = 0xBEBAFECAu, // FAT_CIGAM
34
35 // Constants for the "filetype" field in llvm::MachO::mach_header and
36 // llvm::MachO::mach_header_64
37 HeaderFileTypeObject = 0x1u, // MH_OBJECT
38 HeaderFileTypeExecutable = 0x2u, // MH_EXECUTE
39 HeaderFileTypeFixedVMShlib = 0x3u, // MH_FVMLIB
40 HeaderFileTypeCore = 0x4u, // MH_CORE
41 HeaderFileTypePreloadedExecutable = 0x5u, // MH_PRELOAD
42 HeaderFileTypeDynamicShlib = 0x6u, // MH_DYLIB
43 HeaderFileTypeDynamicLinkEditor = 0x7u, // MH_DYLINKER
44 HeaderFileTypeBundle = 0x8u, // MH_BUNDLE
45 HeaderFileTypeDynamicShlibStub = 0x9u, // MH_DYLIB_STUB
46 HeaderFileTypeDSYM = 0xAu, // MH_DSYM
47 HeaderFileTypeKextBundle = 0xBu, // MH_KEXT_BUNDLE
48
49 // Constant bits for the "flags" field in llvm::MachO::mach_header and
50 // llvm::MachO::mach_header_64
51 HeaderFlagBitNoUndefinedSymbols = 0x00000001u, // MH_NOUNDEFS
52 HeaderFlagBitIsIncrementalLinkObject= 0x00000002u, // MH_INCRLINK
53 HeaderFlagBitIsDynamicLinkObject = 0x00000004u, // MH_DYLDLINK
54 HeaderFlagBitBindAtLoad = 0x00000008u, // MH_BINDATLOAD
55 HeaderFlagBitPrebound = 0x00000010u, // MH_PREBOUND
56 HeaderFlagBitSplitSegments = 0x00000020u, // MH_SPLIT_SEGS
57 HeaderFlagBitLazyInit = 0x00000040u, // MH_LAZY_INIT
58 HeaderFlagBitTwoLevelNamespace = 0x00000080u, // MH_TWOLEVEL
59 HeaderFlagBitForceFlatNamespace = 0x00000100u, // MH_FORCE_FLAT
60 HeaderFlagBitNoMultipleDefintions = 0x00000200u, // MH_NOMULTIDEFS
61 HeaderFlagBitNoFixPrebinding = 0x00000400u, // MH_NOFIXPREBINDING
62 HeaderFlagBitPrebindable = 0x00000800u, // MH_PREBINDABLE
63 HeaderFlagBitAllModulesBound = 0x00001000u, // MH_ALLMODSBOUND
64 HeaderFlagBitSubsectionsViaSymbols = 0x00002000u, // MH_SUBSECTIONS_VIA_SYMBOLS
65 HeaderFlagBitCanonical = 0x00004000u, // MH_CANONICAL
66 HeaderFlagBitWeakDefines = 0x00008000u, // MH_WEAK_DEFINES
67 HeaderFlagBitBindsToWeak = 0x00010000u, // MH_BINDS_TO_WEAK
68 HeaderFlagBitAllowStackExecution = 0x00020000u, // MH_ALLOW_STACK_EXECUTION
69 HeaderFlagBitRootSafe = 0x00040000u, // MH_ROOT_SAFE
70 HeaderFlagBitSetUIDSafe = 0x00080000u, // MH_SETUID_SAFE
71 HeaderFlagBitNoReexportedDylibs = 0x00100000u, // MH_NO_REEXPORTED_DYLIBS
72 HeaderFlagBitPIE = 0x00200000u, // MH_PIE
73 HeaderFlagBitDeadStrippableDylib = 0x00400000u, // MH_DEAD_STRIPPABLE_DYLIB
74
75 // Constants for the "cmd" field in llvm::MachO::load_command
76 LoadCommandDynamicLinkerRequired = 0x80000000u, // LC_REQ_DYLD
77 LoadCommandSegment32 = 0x00000001u, // LC_SEGMENT
78 LoadCommandSymtab = 0x00000002u, // LC_SYMTAB
79 LoadCommandSymSeg = 0x00000003u, // LC_SYMSEG
80 LoadCommandThread = 0x00000004u, // LC_THREAD
81 LoadCommandUnixThread = 0x00000005u, // LC_UNIXTHREAD
82 LoadCommandFixedVMShlibLoad = 0x00000006u, // LC_LOADFVMLIB
83 LoadCommandFixedVMShlibIdent = 0x00000007u, // LC_IDFVMLIB
84 LoadCommandIdent = 0x00000008u, // LC_IDENT
85 LoadCommandFixedVMFileInclusion = 0x00000009u, // LC_FVMFILE
86 LoadCommandPrePage = 0x0000000Au, // LC_PREPAGE
87 LoadCommandDynamicSymtabInfo = 0x0000000Bu, // LC_DYSYMTAB
88 LoadCommandDylibLoad = 0x0000000Cu, // LC_LOAD_DYLIB
89 LoadCommandDylibIdent = 0x0000000Du, // LC_ID_DYLIB
90 LoadCommandDynamicLinkerLoad = 0x0000000Eu, // LC_LOAD_DYLINKER
91 LoadCommandDynamicLinkerIdent = 0x0000000Fu, // LC_ID_DYLINKER
92 LoadCommandDylibPrebound = 0x00000010u, // LC_PREBOUND_DYLIB
93 LoadCommandRoutines32 = 0x00000011u, // LC_ROUTINES
94 LoadCommandSubFramework = 0x00000012u, // LC_SUB_FRAMEWORK
95 LoadCommandSubUmbrella = 0x00000013u, // LC_SUB_UMBRELLA
96 LoadCommandSubClient = 0x00000014u, // LC_SUB_CLIENT
97 LoadCommandSubLibrary = 0x00000015u, // LC_SUB_LIBRARY
98 LoadCommandTwoLevelHints = 0x00000016u, // LC_TWOLEVEL_HINTS
99 LoadCommandPreBindChecksum = 0x00000017u, // LC_PREBIND_CKSUM
100 LoadCommandDylibLoadWeak = 0x80000018u, // LC_LOAD_WEAK_DYLIB
101 LoadCommandSegment64 = 0x00000019u, // LC_SEGMENT_64
102 LoadCommandRoutines64 = 0x0000001Au, // LC_ROUTINES_64
103 LoadCommandUUID = 0x0000001Bu, // LC_UUID
104 LoadCommandRunpath = 0x8000001Cu, // LC_RPATH
105 LoadCommandCodeSignature = 0x0000001Du, // LC_CODE_SIGNATURE
106 LoadCommandSegmentSplitInfo = 0x0000001Eu, // LC_SEGMENT_SPLIT_INFO
107 LoadCommandDylibReexport = 0x8000001Fu, // LC_REEXPORT_DYLIB
108 LoadCommandDylibLazyLoad = 0x00000020u, // LC_LAZY_LOAD_DYLIB
109 LoadCommandEncryptionInfo = 0x00000021u, // LC_ENCRYPTION_INFO
110 LoadCommandDynamicLinkerInfo = 0x00000022u, // LC_DYLD_INFO
111 LoadCommandDynamicLinkerInfoOnly = 0x80000022u, // LC_DYLD_INFO_ONLY
112 LoadCommandDylibLoadUpward = 0x80000023u, // LC_LOAD_UPWARD_DYLIB
113
114 // Constant bits for the "flags" field in llvm::MachO::segment_command
115 SegmentCommandFlagBitHighVM = 0x1u, // SG_HIGHVM
116 SegmentCommandFlagBitFixedVMLibrary = 0x2u, // SG_FVMLIB
117 SegmentCommandFlagBitNoRelocations = 0x4u, // SG_NORELOC
118 SegmentCommandFlagBitProtectedVersion1 = 0x8u, // SG_PROTECTED_VERSION_1
119
120
121 // Constant masks for the "flags" field in llvm::MachO::section and
122 // llvm::MachO::section_64
123 SectionFlagMaskSectionType = 0x000000ffu, // SECTION_TYPE
124 SectionFlagMaskAllAttributes = 0xffffff00u, // SECTION_ATTRIBUTES
125 SectionFlagMaskUserAttributes = 0xff000000u, // SECTION_ATTRIBUTES_USR
126 SectionFlagMaskSystemAttributes = 0x00ffff00u, // SECTION_ATTRIBUTES_SYS
127
128 // Constant masks for the "flags[7:0]" field in llvm::MachO::section and
129 // llvm::MachO::section_64 (mask "flags" with SECTION_TYPE)
130 SectionTypeRegular = 0x00u, // S_REGULAR
131 SectionTypeZeroFill = 0x01u, // S_ZEROFILL
132 SectionTypeCStringLiterals = 0x02u, // S_CSTRING_LITERALS
133 SectionType4ByteLiterals = 0x03u, // S_4BYTE_LITERALS
134 SectionType8ByteLiterals = 0x04u, // S_8BYTE_LITERALS
135 SectionTypeLiteralPointers = 0x05u, // S_LITERAL_POINTERS
136 SectionTypeNonLazySymbolPointers = 0x06u, // S_NON_LAZY_SYMBOL_POINTERS
137 SectionTypeLazySymbolPointers = 0x07u, // S_LAZY_SYMBOL_POINTERS
138 SectionTypeSymbolStubs = 0x08u, // S_SYMBOL_STUBS
139 SectionTypeModuleInitFunctionPointers = 0x09u, // S_MOD_INIT_FUNC_POINTERS
140 SectionTypeModuleTermFunctionPointers = 0x0au, // S_MOD_TERM_FUNC_POINTERS
141 SectionTypeCoalesced = 0x0bu, // S_COALESCED
142 SectionTypeZeroFillLarge = 0x0cu, // S_GB_ZEROFILL
143 SectionTypeInterposing = 0x0du, // S_INTERPOSING
144 SectionType16ByteLiterals = 0x0eu, // S_16BYTE_LITERALS
145 SectionTypeDTraceObjectFormat = 0x0fu, // S_DTRACE_DOF
146 SectionTypeLazyDylibSymbolPointers = 0x10u, // S_LAZY_DYLIB_SYMBOL_POINTERS
147
148 // Constant masks for the "flags[31:24]" field in llvm::MachO::section and
149 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_USR)
150 SectionAttrUserPureInstructions = 0x80000000u, // S_ATTR_PURE_INSTRUCTIONS
151 SectionAttrUserNoTableOfContents = 0x40000000u, // S_ATTR_NO_TOC
152 SectionAttrUserCanStripStaticSymbols = 0x20000000u, // S_ATTR_STRIP_STATIC_SYMS
153 SectionAttrUserNoDeadStrip = 0x10000000u, // S_ATTR_NO_DEAD_STRIP
154 SectionAttrUserLiveSupport = 0x08000000u, // S_ATTR_LIVE_SUPPORT
155 SectionAttrUserSelfModifyingCode = 0x04000000u, // S_ATTR_SELF_MODIFYING_CODE
156 SectionAttrUserDebug = 0x02000000u, // S_ATTR_DEBUG
157
158 // Constant masks for the "flags[23:8]" field in llvm::MachO::section and
159 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_SYS)
160 SectionAttrSytemSomeInstructions = 0x00000400u, // S_ATTR_SOME_INSTRUCTIONS
161 SectionAttrSytemHasExternalRelocations= 0x00000200u, // S_ATTR_EXT_RELOC
162 SectionAttrSytemHasLocalRelocations = 0x00000100u, // S_ATTR_LOC_RELOC
163
164 IndirectSymbolLocal = 0x80000000u, // INDIRECT_SYMBOL_LOCAL
165 IndirectSymbolAbsolute = 0x40000000u, // INDIRECT_SYMBOL_ABS
166
167 RebaseTypePointer = 1u, // REBASE_TYPE_POINTER
168 RebaseTypeTextAbsolute32 = 2u, // REBASE_TYPE_TEXT_ABSOLUTE32
169 RebaseTypeTextPCRelative32 = 3u, // REBASE_TYPE_TEXT_PCREL32
170
171 RebaseOpcodeMask = 0xF0u, // REBASE_OPCODE_MASK
172 RebaseImmediateMask = 0x0Fu, // REBASE_IMMEDIATE_MASK
173 RebaseOpcodeDone = 0x00u, // REBASE_OPCODE_DONE
174 RebaseOpcodeSetTypeImmediate = 0x10u, // REBASE_OPCODE_SET_TYPE_IMM
175 RebaseOpcodeSetSegmentAndOffsetULEB = 0x20u, // REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB
176 RebaseOpcodeAddAddressULEB = 0x30u, // REBASE_OPCODE_ADD_ADDR_ULEB
177 RebaseOpcodeAddAddressImmediateScaled = 0x40u, // REBASE_OPCODE_ADD_ADDR_IMM_SCALED
178 RebaseOpcodeDoRebaseImmediateTimes = 0x50u, // REBASE_OPCODE_DO_REBASE_IMM_TIMES
179 RebaseOpcodeDoRebaseULEBTimes = 0x60u, // REBASE_OPCODE_DO_REBASE_ULEB_TIMES
180 RebaseOpcodeDoRebaseAddAddressULEB = 0x70u, // REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB
181 RebaseOpcodeDoRebaseULEBTimesSkippingULEB = 0x80u, // REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB
182
183
184 BindTypePointer = 1u, // BIND_TYPE_POINTER
185 BindTypeTextAbsolute32 = 2u, // BIND_TYPE_TEXT_ABSOLUTE32
186 BindTypeTextPCRelative32 = 3u, // BIND_TYPE_TEXT_PCREL32
187
188 BindSpecialDylibSelf = 0u, // BIND_SPECIAL_DYLIB_SELF
189 BindSpecialDylibMainExecutable = -1u, // BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE
190 BindSpecialDylibFlatLookup = -2u, // BIND_SPECIAL_DYLIB_FLAT_LOOKUP
191
192 BindSymbolFlagsWeakImport = 0x1u, // BIND_SYMBOL_FLAGS_WEAK_IMPORT
193 BindSymbolFlagsNonWeakDefinition = 0x8u, // BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION
194
195 BindOpcodeMask = 0xF0u, // BIND_OPCODE_MASK
196 BindImmediateMask = 0x0Fu, // BIND_IMMEDIATE_MASK
197 BindOpcodeDone = 0x00u, // BIND_OPCODE_DONE
198 BindOpcodeSetDylibOrdinalImmediate = 0x10u, // BIND_OPCODE_SET_DYLIB_ORDINAL_IMM
199 BindOpcodeSetDylibOrdinalULEB = 0x20u, // BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB
200 BindOpcodeSetDylibSpecialImmediate = 0x30u, // BIND_OPCODE_SET_DYLIB_SPECIAL_IMM
201 BindOpcodeSetSymbolTrailingFlagsImmediate = 0x40u, // BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM
202 BindOpcodeSetTypeImmediate = 0x50u, // BIND_OPCODE_SET_TYPE_IMM
203 BindOpcodeSetAppendSLEB = 0x60u, // BIND_OPCODE_SET_ADDEND_SLEB
204 BindOpcodeSetSegmentAndOffsetULEB = 0x70u, // BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB
205 BindOpcodeAddAddressULEB = 0x80u, // BIND_OPCODE_ADD_ADDR_ULEB
206 BindOpcodeDoBind = 0x90u, // BIND_OPCODE_DO_BIND
207 BindOpcodeDoBindAddAddressULEB = 0xA0u, // BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB
208 BindOpcodeDoBindAddAddressImmediateScaled = 0xB0u, // BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED
209 BindOpcodeDoBindULEBTimesSkippingULEB = 0xC0u, // BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB
210
211 ExportSymbolFlagsKindMask = 0x03u, // EXPORT_SYMBOL_FLAGS_KIND_MASK
212 ExportSymbolFlagsKindRegular = 0x00u, // EXPORT_SYMBOL_FLAGS_KIND_REGULAR
213 ExportSymbolFlagsKindThreadLocal = 0x01u, // EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL
214 ExportSymbolFlagsWeakDefinition = 0x04u, // EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION
215 ExportSymbolFlagsIndirectDefinition = 0x08u, // EXPORT_SYMBOL_FLAGS_INDIRECT_DEFINITION
216 ExportSymbolFlagsHasSpecializations = 0x10u, // EXPORT_SYMBOL_FLAGS_HAS_SPECIALIZATIONS
217
218
219 // Constant masks for the "n_type" field in llvm::MachO::nlist and
220 // llvm::MachO::nlist_64
221 NlistMaskStab = 0xe0, // N_STAB
222 NlistMaskPrivateExternal = 0x10, // N_PEXT
223 NlistMaskType = 0x0e, // N_TYPE
224 NlistMaskExternal = 0x01, // N_EXT
225
226 // Constants for the "n_type & N_TYPE" llvm::MachO::nlist and
227 // llvm::MachO::nlist_64
228 NListTypeUndefined = 0x0u, // N_UNDF
229 NListTypeAbsolute = 0x2u, // N_ABS
230 NListTypeSection = 0xeu, // N_SECT
231 NListTypePreboundUndefined = 0xcu, // N_PBUD
232 NListTypeIndirect = 0xau, // N_INDR
233
234 // Constant masks for the "n_sect" field in llvm::MachO::nlist and
235 // llvm::MachO::nlist_64
236 NListSectionNoSection = 0u, // NO_SECT
237 NListSectionMaxSection = 0xffu, // MAX_SECT
238
239 // Constant values for the "n_type" field in llvm::MachO::nlist and
240 // llvm::MachO::nlist_64 when "(n_type & NlistMaskStab) != 0"
241 StabGlobalSymbol = 0x20u, // N_GSYM
242 StabFunctionName = 0x22u, // N_FNAME
243 StabFunction = 0x24u, // N_FUN
244 StabStaticSymbol = 0x26u, // N_STSYM
245 StabLocalCommon = 0x28u, // N_LCSYM
246 StabBeginSymbol = 0x2Eu, // N_BNSYM
247 StabSourceFileOptions = 0x3Cu, // N_OPT
248 StabRegisterSymbol = 0x40u, // N_RSYM
249 StabSourceLine = 0x44u, // N_SLINE
250 StabEndSymbol = 0x4Eu, // N_ENSYM
251 StabStructureType = 0x60u, // N_SSYM
252 StabSourceFileName = 0x64u, // N_SO
253 StabObjectFileName = 0x66u, // N_OSO
254 StabLocalSymbol = 0x80u, // N_LSYM
255 StabBeginIncludeFileName = 0x82u, // N_BINCL
256 StabIncludeFileName = 0x84u, // N_SOL
257 StabCompilerParameters = 0x86u, // N_PARAMS
258 StabCompilerVersion = 0x88u, // N_VERSION
259 StabCompilerOptLevel = 0x8Au, // N_OLEVEL
260 StabParameter = 0xA0u, // N_PSYM
261 StabEndIncludeFile = 0xA2u, // N_EINCL
262 StabAlternateEntry = 0xA4u, // N_ENTRY
263 StabLeftBracket = 0xC0u, // N_LBRAC
264 StabDeletedIncludeFile = 0xC2u, // N_EXCL
265 StabRightBracket = 0xE0u, // N_RBRAC
266 StabBeginCommon = 0xE2u, // N_BCOMM
267 StabEndCommon = 0xE4u, // N_ECOMM
268 StabEndCommonLocal = 0xE8u, // N_ECOML
269 StabLength = 0xFEu // N_LENG
270
271 };
272
273 // Structs from <mach-o/loader.h>
274
275 struct mach_header {
276 uint32_t magic;
277 uint32_t cputype;
278 uint32_t cpusubtype;
279 uint32_t filetype;
280 uint32_t ncmds;
281 uint32_t sizeofcmds;
282 uint32_t flags;
283 };
284
285 struct mach_header_64 {
286 uint32_t magic;
287 uint32_t cputype;
288 uint32_t cpusubtype;
289 uint32_t filetype;
290 uint32_t ncmds;
291 uint32_t sizeofcmds;
292 uint32_t flags;
293 uint32_t reserved;
294 };
295
296 struct load_command {
297 uint32_t cmd;
298 uint32_t cmdsize;
299 };
300
301 struct segment_command {
302 uint32_t cmd;
303 uint32_t cmdsize;
304 char segname[16];
305 uint32_t vmaddr;
306 uint32_t vmsize;
307 uint32_t fileoff;
308 uint32_t filesize;
309 uint32_t maxprot;
310 uint32_t initprot;
311 uint32_t nsects;
312 uint32_t flags;
313 };
314
315 struct segment_command_64 {
316 uint32_t cmd;
317 uint32_t cmdsize;
318 char segname[16];
319 uint64_t vmaddr;
320 uint64_t vmsize;
321 uint64_t fileoff;
322 uint64_t filesize;
323 uint32_t maxprot;
324 uint32_t initprot;
325 uint32_t nsects;
326 uint32_t flags;
327 };
328
329 struct section {
330 char sectname[16];
331 char segname[16];
332 uint32_t addr;
333 uint32_t size;
334 uint32_t offset;
335 uint32_t align;
336 uint32_t reloff;
337 uint32_t nreloc;
338 uint32_t flags;
339 uint32_t reserved1;
340 uint32_t reserved2;
341 };
342
343 struct section_64 {
344 char sectname[16];
345 char segname[16];
346 uint64_t addr;
347 uint64_t size;
348 uint32_t offset;
349 uint32_t align;
350 uint32_t reloff;
351 uint32_t nreloc;
352 uint32_t flags;
353 uint32_t reserved1;
354 uint32_t reserved2;
355 uint32_t reserved3;
356 };
357
358 struct fvmlib {
359 uint32_t name;
360 uint32_t minor_version;
361 uint32_t header_addr;
362 };
363
364 struct fvmlib_command {
365 uint32_t cmd;
366 uint32_t cmdsize;
367 struct fvmlib fvmlib;
368 };
369
370 struct dylib {
371 uint32_t name;
372 uint32_t timestamp;
373 uint32_t current_version;
374 uint32_t compatibility_version;
375 };
376
377 struct dylib_command {
378 uint32_t cmd;
379 uint32_t cmdsize;
380 struct dylib dylib;
381 };
382
383 struct sub_framework_command {
384 uint32_t cmd;
385 uint32_t cmdsize;
386 uint32_t umbrella;
387 };
388
389 struct sub_client_command {
390 uint32_t cmd;
391 uint32_t cmdsize;
392 uint32_t client;
393 };
394
395 struct sub_umbrella_command {
396 uint32_t cmd;
397 uint32_t cmdsize;
398 uint32_t sub_umbrella;
399 };
400
401 struct sub_library_command {
402 uint32_t cmd;
403 uint32_t cmdsize;
404 uint32_t sub_library;
405 };
406
407 struct prebound_dylib_command {
408 uint32_t cmd;
409 uint32_t cmdsize;
410 uint32_t name;
411 uint32_t nmodules;
412 uint32_t linked_modules;
413 };
414
415 struct dylinker_command {
416 uint32_t cmd;
417 uint32_t cmdsize;
418 uint32_t name;
419 };
420
421 struct thread_command {
422 uint32_t cmd;
423 uint32_t cmdsize;
424 };
425
426 struct routines_command {
427 uint32_t cmd;
428 uint32_t cmdsize;
429 uint32_t init_address;
430 uint32_t init_module;
431 uint32_t reserved1;
432 uint32_t reserved2;
433 uint32_t reserved3;
434 uint32_t reserved4;
435 uint32_t reserved5;
436 uint32_t reserved6;
437 };
438
439 struct routines_command_64 {
440 uint32_t cmd;
441 uint32_t cmdsize;
442 uint64_t init_address;
443 uint64_t init_module;
444 uint64_t reserved1;
445 uint64_t reserved2;
446 uint64_t reserved3;
447 uint64_t reserved4;
448 uint64_t reserved5;
449 uint64_t reserved6;
450 };
451
452 struct symtab_command {
453 uint32_t cmd;
454 uint32_t cmdsize;
455 uint32_t symoff;
456 uint32_t nsyms;
457 uint32_t stroff;
458 uint32_t strsize;
459 };
460
461 struct dysymtab_command {
462 uint32_t cmd;
463 uint32_t cmdsize;
464 uint32_t ilocalsym;
465 uint32_t nlocalsym;
466 uint32_t iextdefsym;
467 uint32_t nextdefsym;
468 uint32_t iundefsym;
469 uint32_t nundefsym;
470 uint32_t tocoff;
471 uint32_t ntoc;
472 uint32_t modtaboff;
473 uint32_t nmodtab;
474 uint32_t extrefsymoff;
475 uint32_t nextrefsyms;
476 uint32_t indirectsymoff;
477 uint32_t nindirectsyms;
478 uint32_t extreloff;
479 uint32_t nextrel;
480 uint32_t locreloff;
481 uint32_t nlocrel;
482 };
483
484 struct dylib_table_of_contents {
485 uint32_t symbol_index;
486 uint32_t module_index;
487 };
488
489 struct dylib_module {
490 uint32_t module_name;
491 uint32_t iextdefsym;
492 uint32_t nextdefsym;
493 uint32_t irefsym;
494 uint32_t nrefsym;
495 uint32_t ilocalsym;
496 uint32_t nlocalsym;
497 uint32_t iextrel;
498 uint32_t nextrel;
499 uint32_t iinit_iterm;
500 uint32_t ninit_nterm;
501 uint32_t objc_module_info_addr;
502 uint32_t objc_module_info_size;
503 };
504
505 struct dylib_module_64 {
506 uint32_t module_name;
507 uint32_t iextdefsym;
508 uint32_t nextdefsym;
509 uint32_t irefsym;
510 uint32_t nrefsym;
511 uint32_t ilocalsym;
512 uint32_t nlocalsym;
513 uint32_t iextrel;
514 uint32_t nextrel;
515 uint32_t iinit_iterm;
516 uint32_t ninit_nterm;
517 uint32_t objc_module_info_size;
518 uint64_t objc_module_info_addr;
519 };
520
521 struct dylib_reference {
522 uint32_t isym:24,
523 flags:8;
524 };
525
526
527 struct twolevel_hints_command {
528 uint32_t cmd;
529 uint32_t cmdsize;
530 uint32_t offset;
531 uint32_t nhints;
532 };
533
534 struct twolevel_hint {
535 uint32_t isub_image:8,
536 itoc:24;
537 };
538
539 struct prebind_cksum_command {
540 uint32_t cmd;
541 uint32_t cmdsize;
542 uint32_t cksum;
543 };
544
545 struct uuid_command {
546 uint32_t cmd;
547 uint32_t cmdsize;
548 uint8_t uuid[16];
549 };
550
551 struct rpath_command {
552 uint32_t cmd;
553 uint32_t cmdsize;
554 uint32_t path;
555 };
556
557 struct linkedit_data_command {
558 uint32_t cmd;
559 uint32_t cmdsize;
560 uint32_t dataoff;
561 uint32_t datasize;
562 };
563
564 struct encryption_info_command {
565 uint32_t cmd;
566 uint32_t cmdsize;
567 uint32_t cryptoff;
568 uint32_t cryptsize;
569 uint32_t cryptid;
570 };
571
572 struct dyld_info_command {
573 uint32_t cmd;
574 uint32_t cmdsize;
575 uint32_t rebase_off;
576 uint32_t rebase_size;
577 uint32_t bind_off;
578 uint32_t bind_size;
579 uint32_t weak_bind_off;
580 uint32_t weak_bind_size;
581 uint32_t lazy_bind_off;
582 uint32_t lazy_bind_size;
583 uint32_t export_off;
584 uint32_t export_size;
585 };
586
587 struct symseg_command {
588 uint32_t cmd;
589 uint32_t cmdsize;
590 uint32_t offset;
591 uint32_t size;
592 };
593
594 struct ident_command {
595 uint32_t cmd;
596 uint32_t cmdsize;
597 };
598
599 struct fvmfile_command {
600 uint32_t cmd;
601 uint32_t cmdsize;
602 uint32_t name;
603 uint32_t header_addr;
604 };
605
606
607 // Structs from <mach-o/fat.h>
608 struct fat_header {
609 uint32_t magic;
610 uint32_t nfat_arch;
611 };
612
613 struct fat_arch {
614 uint32_t cputype;
615 uint32_t cpusubtype;
616 uint32_t offset;
617 uint32_t size;
618 uint32_t align;
619 };
620
621 // Structs from <mach-o/fat.h>
622 struct nlist {
623 uint32_t n_strx;
624 uint8_t n_type;
625 uint8_t n_sect;
626 int16_t n_desc;
627 uint32_t n_value;
628 };
629
630 struct nlist_64 {
631 uint32_t n_strx;
632 uint8_t n_type;
633 uint8_t n_sect;
634 uint16_t n_desc;
635 uint64_t n_value;
636 };
637
638 // Get/Set functions from <mach-o/nlist.h>
639
640 static inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc)
641 {
642 return (((n_desc) >> 8u) & 0xffu);
643 }
644
645 static inline void SET_LIBRARY_ORDINAL(uint16_t &n_desc, uint8_t ordinal)
646 {
647 n_desc = (((n_desc) & 0x00ff) | (((ordinal) & 0xff) << 8));
648 }
649
650 static inline uint8_t GET_COMM_ALIGN (uint16_t n_desc)
651 {
652 return (n_desc >> 8u) & 0x0fu;
653 }
654
655 static inline void SET_COMM_ALIGN (uint16_t &n_desc, uint8_t align)
656 {
657 n_desc = ((n_desc & 0xf0ffu) | ((align & 0x0fu) << 8u));
658 }
659
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