1 //===-- llvm/Support/MachO.h - The MachO file format ------------*- C -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // University of Illinois/NCSA
6 // Open Source License
7 //
8 // Copyright (c) 2003-2010 University of Illinois at Urbana-Champaign.
9 // All rights reserved.
10 //
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12 //
13 // LLVM Team
14 //
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16 //
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42 //
43 //===----------------------------------------------------------------------===//
44 //
45 // This file defines manifest constants for the MachO object file format.
46 //
47 //===----------------------------------------------------------------------===//
48
49 #ifndef LLVM_SUPPORT_MACHO_H
50 #define LLVM_SUPPORT_MACHO_H
51
52 #include <stdint.h>
53
54 // Enums from <mach-o/loader.h>
55 enum {
56 // Constants for the "magic" field in llvm::MachO::mach_header and
57 // llvm::MachO::mach_header_64
58 MH_MAGIC = 0xFEEDFACEu,
59 MH_CIGAM = 0xCEFAEDFEu,
60 MH_MAGIC_64 = 0xFEEDFACFu,
61 MH_CIGAM_64 = 0xCFFAEDFEu,
62 FAT_MAGIC = 0xCAFEBABEu,
63 FAT_CIGAM = 0xBEBAFECAu
64 };
65
66 enum HeaderFileType {
67 // Constants for the "filetype" field in llvm::MachO::mach_header and
68 // llvm::MachO::mach_header_64
69 MH_OBJECT = 0x1u,
70 MH_EXECUTE = 0x2u,
71 MH_FVMLIB = 0x3u,
72 MH_CORE = 0x4u,
73 MH_PRELOAD = 0x5u,
74 MH_DYLIB = 0x6u,
75 MH_DYLINKER = 0x7u,
76 MH_BUNDLE = 0x8u,
77 MH_DYLIB_STUB = 0x9u,
78 MH_DSYM = 0xAu,
79 MH_KEXT_BUNDLE = 0xBu,
80 MH_FILESET = 0xCu
81 };
82
83 enum {
84 // Constant bits for the "flags" field in llvm::MachO::mach_header and
85 // llvm::MachO::mach_header_64
86 MH_NOUNDEFS = 0x00000001u,
87 MH_INCRLINK = 0x00000002u,
88 MH_DYLDLINK = 0x00000004u,
89 MH_BINDATLOAD = 0x00000008u,
90 MH_PREBOUND = 0x00000010u,
91 MH_SPLIT_SEGS = 0x00000020u,
92 MH_LAZY_INIT = 0x00000040u,
93 MH_TWOLEVEL = 0x00000080u,
94 MH_FORCE_FLAT = 0x00000100u,
95 MH_NOMULTIDEFS = 0x00000200u,
96 MH_NOFIXPREBINDING = 0x00000400u,
97 MH_PREBINDABLE = 0x00000800u,
98 MH_ALLMODSBOUND = 0x00001000u,
99 MH_SUBSECTIONS_VIA_SYMBOLS = 0x00002000u,
100 MH_CANONICAL = 0x00004000u,
101 MH_WEAK_DEFINES = 0x00008000u,
102 MH_BINDS_TO_WEAK = 0x00010000u,
103 MH_ALLOW_STACK_EXECUTION = 0x00020000u,
104 MH_ROOT_SAFE = 0x00040000u,
105 MH_SETUID_SAFE = 0x00080000u,
106 MH_NO_REEXPORTED_DYLIBS = 0x00100000u,
107 MH_PIE = 0x00200000u,
108 MH_DEAD_STRIPPABLE_DYLIB = 0x00400000u,
109 MH_HAS_TLV_DESCRIPTORS = 0x00800000u,
110 MH_NO_HEAP_EXECUTION = 0x01000000u,
111 MH_APP_EXTENSION_SAFE = 0x02000000u
112 };
113
114 enum {
115 // Flags for the "cmd" field in llvm::MachO::load_command
116 LC_REQ_DYLD = 0x80000000u
117 };
118
119 enum LoadCommandType {
120 // Constants for the "cmd" field in llvm::MachO::load_command
121 LC_SEGMENT = 0x00000001u,
122 LC_SYMTAB = 0x00000002u,
123 LC_SYMSEG = 0x00000003u,
124 LC_THREAD = 0x00000004u,
125 LC_UNIXTHREAD = 0x00000005u,
126 LC_LOADFVMLIB = 0x00000006u,
127 LC_IDFVMLIB = 0x00000007u,
128 LC_IDENT = 0x00000008u,
129 LC_FVMFILE = 0x00000009u,
130 LC_PREPAGE = 0x0000000Au,
131 LC_DYSYMTAB = 0x0000000Bu,
132 LC_LOAD_DYLIB = 0x0000000Cu,
133 LC_ID_DYLIB = 0x0000000Du,
134 LC_LOAD_DYLINKER = 0x0000000Eu,
135 LC_ID_DYLINKER = 0x0000000Fu,
136 LC_PREBOUND_DYLIB = 0x00000010u,
137 LC_ROUTINES = 0x00000011u,
138 LC_SUB_FRAMEWORK = 0x00000012u,
139 LC_SUB_UMBRELLA = 0x00000013u,
140 LC_SUB_CLIENT = 0x00000014u,
141 LC_SUB_LIBRARY = 0x00000015u,
142 LC_TWOLEVEL_HINTS = 0x00000016u,
143 LC_PREBIND_CKSUM = 0x00000017u,
144 LC_LOAD_WEAK_DYLIB = 0x80000018u,
145 LC_SEGMENT_64 = 0x00000019u,
146 LC_ROUTINES_64 = 0x0000001Au,
147 LC_UUID = 0x0000001Bu,
148 LC_RPATH = 0x8000001Cu,
149 LC_CODE_SIGNATURE = 0x0000001Du,
150 LC_SEGMENT_SPLIT_INFO = 0x0000001Eu,
151 LC_REEXPORT_DYLIB = 0x8000001Fu,
152 LC_LAZY_LOAD_DYLIB = 0x00000020u,
153 LC_ENCRYPTION_INFO = 0x00000021u,
154 LC_DYLD_INFO = 0x00000022u,
155 LC_DYLD_INFO_ONLY = 0x80000022u,
156 LC_LOAD_UPWARD_DYLIB = 0x80000023u,
157 LC_VERSION_MIN_MACOSX = 0x00000024u,
158 LC_VERSION_MIN_IPHONEOS = 0x00000025u,
159 LC_FUNCTION_STARTS = 0x00000026u,
160 LC_DYLD_ENVIRONMENT = 0x00000027u,
161 LC_MAIN = 0x80000028u,
162 LC_DATA_IN_CODE = 0x00000029u,
163 LC_SOURCE_VERSION = 0x0000002Au,
164 LC_DYLIB_CODE_SIGN_DRS = 0x0000002Bu,
165 LC_ENCRYPTION_INFO_64 = 0x0000002Cu,
166 LC_LINKER_OPTION = 0x0000002Du,
167 LC_LINKER_OPTIMIZATION_HINT = 0x0000002Eu,
168 LC_VERSION_MIN_TVOS = 0x0000002Fu,
169 LC_VERSION_MIN_WATCHOS = 0x00000030u,
170 LC_NOTE = 0x00000031u,
171 LC_BUILD_VERSION = 0x00000032u,
172 LC_DYLD_EXPORTS_TRIE = 0x80000033u,
173 LC_DYLD_CHAINED_FIXUPS = 0x80000034u,
174 LC_KEXT = 0x80000035u, /* TODO: get the right name */
175 /*
176 Load command 9
177 cmd LC_BUILD_VERSION
178 cmdsize 32
179 platform macos
180 sdk 10.14
181 minos 10.14
182 ntools 1
183 tool ld
184 version 409.11
185 */
186 };
187
188 enum {
189 // Constant bits for the "flags" field in llvm::MachO::segment_command
190 SG_HIGHVM = 0x1u,
191 SG_FVMLIB = 0x2u,
192 SG_NORELOC = 0x4u,
193 SG_PROTECTED_VERSION_1 = 0x8u,
194
195
196 // Constant masks for the "flags" field in llvm::MachO::section and
197 // llvm::MachO::section_64
198 SECTION_TYPE = 0x000000ffu, // SECTION_TYPE
199 SECTION_ATTRIBUTES = 0xffffff00u, // SECTION_ATTRIBUTES
200 SECTION_ATTRIBUTES_USR = 0xff000000u, // SECTION_ATTRIBUTES_USR
201 SECTION_ATTRIBUTES_SYS = 0x00ffff00u // SECTION_ATTRIBUTES_SYS
202 };
203
204 /// These are the section type and attributes fields. A MachO section can
205 /// have only one Type, but can have any of the attributes specified.
206 enum SectionType {
207 // Constant masks for the "flags[7:0]" field in llvm::MachO::section and
208 // llvm::MachO::section_64 (mask "flags" with SECTION_TYPE)
209
210 /// S_REGULAR - Regular section.
211 S_REGULAR = 0x00u,
212 /// S_ZEROFILL - Zero fill on demand section.
213 S_ZEROFILL = 0x01u,
214 /// S_CSTRING_LITERALS - Section with literal C strings.
215 S_CSTRING_LITERALS = 0x02u,
216 /// S_4BYTE_LITERALS - Section with 4 byte literals.
217 S_4BYTE_LITERALS = 0x03u,
218 /// S_8BYTE_LITERALS - Section with 8 byte literals.
219 S_8BYTE_LITERALS = 0x04u,
220 /// S_LITERAL_POINTERS - Section with pointers to literals.
221 S_LITERAL_POINTERS = 0x05u,
222 /// S_NON_LAZY_SYMBOL_POINTERS - Section with non-lazy symbol pointers.
223 S_NON_LAZY_SYMBOL_POINTERS = 0x06u,
224 /// S_LAZY_SYMBOL_POINTERS - Section with lazy symbol pointers.
225 S_LAZY_SYMBOL_POINTERS = 0x07u,
226 /// S_SYMBOL_STUBS - Section with symbol stubs, byte size of stub in
227 /// the Reserved2 field.
228 S_SYMBOL_STUBS = 0x08u,
229 /// S_MOD_INIT_FUNC_POINTERS - Section with only function pointers for
230 /// initialization.
231 S_MOD_INIT_FUNC_POINTERS = 0x09u,
232 /// S_MOD_TERM_FUNC_POINTERS - Section with only function pointers for
233 /// termination.
234 S_MOD_TERM_FUNC_POINTERS = 0x0au,
235 /// S_COALESCED - Section contains symbols that are to be coalesced.
236 S_COALESCED = 0x0bu,
237 /// S_GB_ZEROFILL - Zero fill on demand section (that can be larger than 4
238 /// gigabytes).
239 S_GB_ZEROFILL = 0x0cu,
240 /// S_INTERPOSING - Section with only pairs of function pointers for
241 /// interposing.
242 S_INTERPOSING = 0x0du,
243 /// S_16BYTE_LITERALS - Section with only 16 byte literals.
244 S_16BYTE_LITERALS = 0x0eu,
245 /// S_DTRACE_DOF - Section contains DTrace Object Format.
246 S_DTRACE_DOF = 0x0fu,
247 /// S_LAZY_DYLIB_SYMBOL_POINTERS - Section with lazy symbol pointers to
248 /// lazy loaded dylibs.
249 S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10u,
250 /// S_THREAD_LOCAL_REGULAR - Thread local data section.
251 S_THREAD_LOCAL_REGULAR = 0x11u,
252 /// S_THREAD_LOCAL_ZEROFILL - Thread local zerofill section.
253 S_THREAD_LOCAL_ZEROFILL = 0x12u,
254 /// S_THREAD_LOCAL_VARIABLES - Section with thread local variable
255 /// structure data.
256 S_THREAD_LOCAL_VARIABLES = 0x13u,
257 /// S_THREAD_LOCAL_VARIABLE_POINTERS - Section with pointers to thread
258 /// local structures.
259 S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14u,
260 /// S_THREAD_LOCAL_INIT_FUNCTION_POINTERS - Section with thread local
261 /// variable initialization pointers to functions.
262 S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u,
263
264 LAST_KNOWN_SECTION_TYPE = S_THREAD_LOCAL_INIT_FUNCTION_POINTERS
265 };
266
267 enum {
268 // Constant masks for the "flags[31:24]" field in llvm::MachO::section and
269 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_USR)
270
271 /// S_ATTR_PURE_INSTRUCTIONS - Section contains only true machine
272 /// instructions.
273 S_ATTR_PURE_INSTRUCTIONS = 0x80000000u,
274 /// S_ATTR_NO_TOC - Section contains coalesced symbols that are not to be
275 /// in a ranlib table of contents.
276 S_ATTR_NO_TOC = 0x40000000u,
277 /// S_ATTR_STRIP_STATIC_SYMS - Ok to strip static symbols in this section
278 /// in files with the MY_DYLDLINK flag.
279 S_ATTR_STRIP_STATIC_SYMS = 0x20000000u,
280 /// S_ATTR_NO_DEAD_STRIP - No dead stripping.
281 S_ATTR_NO_DEAD_STRIP = 0x10000000u,
282 /// S_ATTR_LIVE_SUPPORT - Blocks are live if they reference live blocks.
283 S_ATTR_LIVE_SUPPORT = 0x08000000u,
284 /// S_ATTR_SELF_MODIFYING_CODE - Used with i386 code stubs written on by
285 /// dyld.
286 S_ATTR_SELF_MODIFYING_CODE = 0x04000000u,
287 /// S_ATTR_DEBUG - A debug section.
288 S_ATTR_DEBUG = 0x02000000u,
289
290 // Constant masks for the "flags[23:8]" field in llvm::MachO::section and
291 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_SYS)
292
293 /// S_ATTR_SOME_INSTRUCTIONS - Section contains some machine instructions.
294 S_ATTR_SOME_INSTRUCTIONS = 0x00000400u,
295 /// S_ATTR_EXT_RELOC - Section has external relocation entries.
296 S_ATTR_EXT_RELOC = 0x00000200u,
297 /// S_ATTR_LOC_RELOC - Section has local relocation entries.
298 S_ATTR_LOC_RELOC = 0x00000100u,
299
300 // Constant masks for the value of an indirect symbol in an indirect
301 // symbol table
302 INDIRECT_SYMBOL_LOCAL = 0x80000000u,
303 INDIRECT_SYMBOL_ABS = 0x40000000u
304 };
305
306 enum DataRegionType {
307 // Constants for the "kind" field in a data_in_code_entry structure
308 DICE_KIND_DATA = 1u,
309 DICE_KIND_JUMP_TABLE8 = 2u,
310 DICE_KIND_JUMP_TABLE16 = 3u,
311 DICE_KIND_JUMP_TABLE32 = 4u,
312 DICE_KIND_ABS_JUMP_TABLE32 = 5u
313 };
314
315 enum RebaseType {
316 REBASE_TYPE_POINTER = 1u,
317 REBASE_TYPE_TEXT_ABSOLUTE32 = 2u,
318 REBASE_TYPE_TEXT_PCREL32 = 3u
319 };
320
321 enum {
322 REBASE_OPCODE_MASK = 0xF0u,
323 REBASE_IMMEDIATE_MASK = 0x0Fu
324 };
325
326 enum RebaseOpcode {
327 REBASE_OPCODE_DONE = 0x00u,
328 REBASE_OPCODE_SET_TYPE_IMM = 0x10u,
329 REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x20u,
330 REBASE_OPCODE_ADD_ADDR_ULEB = 0x30u,
331 REBASE_OPCODE_ADD_ADDR_IMM_SCALED = 0x40u,
332 REBASE_OPCODE_DO_REBASE_IMM_TIMES = 0x50u,
333 REBASE_OPCODE_DO_REBASE_ULEB_TIMES = 0x60u,
334 REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB = 0x70u,
335 REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB = 0x80u
336 };
337
338 enum BindType {
339 BIND_TYPE_POINTER = 1u,
340 BIND_TYPE_TEXT_ABSOLUTE32 = 2u,
341 BIND_TYPE_TEXT_PCREL32 = 3u
342 };
343
344 enum BindSpecialDylib {
345 BIND_SPECIAL_DYLIB_SELF = 0,
346 BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1,
347 BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2
348 };
349
350 enum {
351 BIND_SYMBOL_FLAGS_WEAK_IMPORT = 0x1u,
352 BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION = 0x8u,
353
354 BIND_OPCODE_MASK = 0xF0u,
355 BIND_IMMEDIATE_MASK = 0x0Fu
356 };
357
358 enum BindOpcode {
359 BIND_OPCODE_DONE = 0x00u,
360 BIND_OPCODE_SET_DYLIB_ORDINAL_IMM = 0x10u,
361 BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB = 0x20u,
362 BIND_OPCODE_SET_DYLIB_SPECIAL_IMM = 0x30u,
363 BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM = 0x40u,
364 BIND_OPCODE_SET_TYPE_IMM = 0x50u,
365 BIND_OPCODE_SET_ADDEND_SLEB = 0x60u,
366 BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x70u,
367 BIND_OPCODE_ADD_ADDR_ULEB = 0x80u,
368 BIND_OPCODE_DO_BIND = 0x90u,
369 BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB = 0xA0u,
370 BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED = 0xB0u,
371 BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB = 0xC0u,
372 BIND_OPCODE_THREADED = 0xD0u
373 };
374
375 enum BindSubOpcode {
376 BIND_SUBOPCODE_THREADED_SET_BIND_ORDINAL_TABLE_SIZE_ULEB = 0x00,
377 BIND_SUBOPCODE_THREADED_APPLY = 0x01,
378 };
379
380 enum {
381 EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03u,
382 EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04u,
383 EXPORT_SYMBOL_FLAGS_REEXPORT = 0x08u,
384 EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10u
385 };
386
387 enum ExportSymbolKind {
388 EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00u,
389 EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01u,
390 EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE = 0x02u
391 };
392
393
394 enum {
395 // Constant masks for the "n_type" field in llvm::MachO::nlist and
396 // llvm::MachO::nlist_64
397 N_STAB = 0xe0,
398 N_PEXT = 0x10,
399 N_TYPE = 0x0e,
400 N_EXT = 0x01
401 };
402
403 enum NListType {
404 // Constants for the "n_type & N_TYPE" llvm::MachO::nlist and
405 // llvm::MachO::nlist_64
406 N_UNDF = 0x0u,
407 N_ABS = 0x2u,
408 N_SECT = 0xeu,
409 N_PBUD = 0xcu,
410 N_INDR = 0xau
411 };
412
413 enum SectionOrdinal {
414 // Constants for the "n_sect" field in llvm::MachO::nlist and
415 // llvm::MachO::nlist_64
416 NO_SECT = 0u,
417 MAX_SECT = 0xffu
418 };
419
420 enum {
421 // Constant masks for the "n_desc" field in llvm::MachO::nlist and
422 // llvm::MachO::nlist_64
423 // The low 3 bits are the for the REFERENCE_TYPE.
424 REFERENCE_TYPE = 0x7,
425 REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0,
426 REFERENCE_FLAG_UNDEFINED_LAZY = 1,
427 REFERENCE_FLAG_DEFINED = 2,
428 REFERENCE_FLAG_PRIVATE_DEFINED = 3,
429 REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4,
430 REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5,
431 // Flag bits (some overlap with the library ordinal bits).
432 N_ARM_THUMB_DEF = 0x0008u,
433 REFERENCED_DYNAMICALLY = 0x0010u,
434 N_NO_DEAD_STRIP = 0x0020u,
435 N_WEAK_REF = 0x0040u,
436 N_WEAK_DEF = 0x0080u,
437 N_SYMBOL_RESOLVER = 0x0100u,
438 N_ALT_ENTRY = 0x0200u,
439 // For undefined symbols coming from libraries, see GET_LIBRARY_ORDINAL()
440 // as these are in the top 8 bits.
441 SELF_LIBRARY_ORDINAL = 0x0,
442 MAX_LIBRARY_ORDINAL = 0xfd,
443 DYNAMIC_LOOKUP_ORDINAL = 0xfe,
444 EXECUTABLE_ORDINAL = 0xff
445 };
446
447 enum StabType {
448 // Constant values for the "n_type" field in llvm::MachO::nlist and
449 // llvm::MachO::nlist_64 when "(n_type & N_STAB) != 0"
450 N_GSYM = 0x20u,
451 N_FNAME = 0x22u,
452 N_FUN = 0x24u,
453 N_STSYM = 0x26u,
454 N_LCSYM = 0x28u,
455 N_BNSYM = 0x2Eu,
456 N_PC = 0x30u,
457 N_AST = 0x32u,
458 N_OPT = 0x3Cu,
459 N_RSYM = 0x40u,
460 N_SLINE = 0x44u,
461 N_ENSYM = 0x4Eu,
462 N_SSYM = 0x60u,
463 N_SO = 0x64u,
464 N_OSO = 0x66u,
465 N_LSYM = 0x80u,
466 N_BINCL = 0x82u,
467 N_SOL = 0x84u,
468 N_PARAMS = 0x86u,
469 N_VERSION = 0x88u,
470 N_OLEVEL = 0x8Au,
471 N_PSYM = 0xA0u,
472 N_EINCL = 0xA2u,
473 N_ENTRY = 0xA4u,
474 N_LBRAC = 0xC0u,
475 N_EXCL = 0xC2u,
476 N_RBRAC = 0xE0u,
477 N_BCOMM = 0xE2u,
478 N_ECOMM = 0xE4u,
479 N_ECOML = 0xE8u,
480 N_LENG = 0xFEu
481 };
482
483 enum {
484 // Constant values for the r_symbolnum field in an
485 // llvm::MachO::relocation_info structure when r_extern is 0.
486 R_ABS = 0,
487
488 // Constant bits for the r_address field in an
489 // llvm::MachO::relocation_info structure.
490 R_SCATTERED = 0x80000000
491 };
492
493 enum RelocationInfoType {
494 // Constant values for the r_type field in an
495 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
496 // structure.
497 GENERIC_RELOC_VANILLA = 0,
498 GENERIC_RELOC_PAIR = 1,
499 GENERIC_RELOC_SECTDIFF = 2,
500 GENERIC_RELOC_PB_LA_PTR = 3,
501 GENERIC_RELOC_LOCAL_SECTDIFF = 4,
502 GENERIC_RELOC_TLV = 5,
503
504 // Constant values for the r_type field in a PowerPC architecture
505 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
506 // structure.
507 PPC_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
508 PPC_RELOC_PAIR = GENERIC_RELOC_PAIR,
509 PPC_RELOC_BR14 = 2,
510 PPC_RELOC_BR24 = 3,
511 PPC_RELOC_HI16 = 4,
512 PPC_RELOC_LO16 = 5,
513 PPC_RELOC_HA16 = 6,
514 PPC_RELOC_LO14 = 7,
515 PPC_RELOC_SECTDIFF = 8,
516 PPC_RELOC_PB_LA_PTR = 9,
517 PPC_RELOC_HI16_SECTDIFF = 10,
518 PPC_RELOC_LO16_SECTDIFF = 11,
519 PPC_RELOC_HA16_SECTDIFF = 12,
520 PPC_RELOC_JBSR = 13,
521 PPC_RELOC_LO14_SECTDIFF = 14,
522 PPC_RELOC_LOCAL_SECTDIFF = 15,
523
524 // Constant values for the r_type field in an ARM architecture
525 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
526 // structure.
527 ARM_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
528 ARM_RELOC_PAIR = GENERIC_RELOC_PAIR,
529 ARM_RELOC_SECTDIFF = GENERIC_RELOC_SECTDIFF,
530 ARM_RELOC_LOCAL_SECTDIFF = 3,
531 ARM_RELOC_PB_LA_PTR = 4,
532 ARM_RELOC_BR24 = 5,
533 ARM_THUMB_RELOC_BR22 = 6,
534 ARM_THUMB_32BIT_BRANCH = 7, // obsolete
535 ARM_RELOC_HALF = 8,
536 ARM_RELOC_HALF_SECTDIFF = 9,
537
538 // Constant values for the r_type field in an ARM64 architecture
539 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
540 // structure.
541
542 // For pointers.
543 ARM64_RELOC_UNSIGNED = 0,
544 // Must be followed by an ARM64_RELOC_UNSIGNED
545 ARM64_RELOC_SUBTRACTOR = 1,
546 // A B/BL instruction with 26-bit displacement.
547 ARM64_RELOC_BRANCH26 = 2,
548 // PC-rel distance to page of target.
549 ARM64_RELOC_PAGE21 = 3,
550 // Offset within page, scaled by r_length.
551 ARM64_RELOC_PAGEOFF12 = 4,
552 // PC-rel distance to page of GOT slot.
553 ARM64_RELOC_GOT_LOAD_PAGE21 = 5,
554 // Offset within page of GOT slot, scaled by r_length.
555 ARM64_RELOC_GOT_LOAD_PAGEOFF12 = 6,
556 // For pointers to GOT slots.
557 ARM64_RELOC_POINTER_TO_GOT = 7,
558 // PC-rel distance to page of TLVP slot.
559 ARM64_RELOC_TLVP_LOAD_PAGE21 = 8,
560 // Offset within page of TLVP slot, scaled by r_length.
561 ARM64_RELOC_TLVP_LOAD_PAGEOFF12 = 9,
562 // Must be followed by ARM64_RELOC_PAGE21 or ARM64_RELOC_PAGEOFF12.
563 ARM64_RELOC_ADDEND = 10,
564
565
566 // Constant values for the r_type field in an x86_64 architecture
567 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
568 // structure
569 X86_64_RELOC_UNSIGNED = 0,
570 X86_64_RELOC_SIGNED = 1,
571 X86_64_RELOC_BRANCH = 2,
572 X86_64_RELOC_GOT_LOAD = 3,
573 X86_64_RELOC_GOT = 4,
574 X86_64_RELOC_SUBTRACTOR = 5,
575 X86_64_RELOC_SIGNED_1 = 6,
576 X86_64_RELOC_SIGNED_2 = 7,
577 X86_64_RELOC_SIGNED_4 = 8,
578 X86_64_RELOC_TLV = 9
579 };
580
581 // Values for segment_command.initprot.
582 // From <mach/vm_prot.h>
583 enum {
584 VM_PROT_READ = 0x1,
585 VM_PROT_WRITE = 0x2,
586 VM_PROT_EXECUTE = 0x4
587 };
588
589
590 // Structs from <mach-o/loader.h>
591
592 struct mach_header {
593 uint32_t magic;
594 uint32_t cputype;
595 uint32_t cpusubtype;
596 uint32_t filetype;
597 uint32_t ncmds;
598 uint32_t sizeofcmds;
599 uint32_t flags;
600 };
601
602 struct mach_header_64 {
603 uint32_t magic;
604 uint32_t cputype;
605 uint32_t cpusubtype;
606 uint32_t filetype;
607 uint32_t ncmds;
608 uint32_t sizeofcmds;
609 uint32_t flags;
610 uint32_t reserved;
611 };
612
613 struct load_command {
614 uint32_t cmd;
615 uint32_t cmdsize;
616 };
617
618 struct segment_command {
619 uint32_t cmd;
620 uint32_t cmdsize;
621 char segname[16];
622 uint32_t vmaddr;
623 uint32_t vmsize;
624 uint32_t fileoff;
625 uint32_t filesize;
626 uint32_t maxprot;
627 uint32_t initprot;
628 uint32_t nsects;
629 uint32_t flags;
630 };
631
632 struct segment_command_64 {
633 uint32_t cmd;
634 uint32_t cmdsize;
635 char segname[16];
636 uint64_t vmaddr;
637 uint64_t vmsize;
638 uint64_t fileoff;
639 uint64_t filesize;
640 uint32_t maxprot;
641 uint32_t initprot;
642 uint32_t nsects;
643 uint32_t flags;
644 };
645
646 struct section {
647 char sectname[16];
648 char segname[16];
649 uint32_t addr;
650 uint32_t size;
651 uint32_t offset;
652 uint32_t align;
653 uint32_t reloff;
654 uint32_t nreloc;
655 uint32_t flags;
656 uint32_t reserved1;
657 uint32_t reserved2;
658 };
659
660 struct section_64 {
661 char sectname[16];
662 char segname[16];
663 uint64_t addr;
664 uint64_t size;
665 uint32_t offset;
666 uint32_t align;
667 uint32_t reloff;
668 uint32_t nreloc;
669 uint32_t flags;
670 uint32_t reserved1;
671 uint32_t reserved2;
672 uint32_t reserved3;
673 };
674
675 struct fvmlib {
676 uint32_t name;
677 uint32_t minor_version;
678 uint32_t header_addr;
679 };
680
681 struct fvmlib_command {
682 uint32_t cmd;
683 uint32_t cmdsize;
684 struct fvmlib fvmlib;
685 };
686
687 struct dylib {
688 uint32_t name;
689 uint32_t timestamp;
690 uint32_t current_version;
691 uint32_t compatibility_version;
692 };
693
694 struct dylib_command {
695 uint32_t cmd;
696 uint32_t cmdsize;
697 struct dylib dylib;
698 };
699
700 struct sub_framework_command {
701 uint32_t cmd;
702 uint32_t cmdsize;
703 uint32_t umbrella;
704 };
705
706 struct sub_client_command {
707 uint32_t cmd;
708 uint32_t cmdsize;
709 uint32_t client;
710 };
711
712 struct sub_umbrella_command {
713 uint32_t cmd;
714 uint32_t cmdsize;
715 uint32_t sub_umbrella;
716 };
717
718 struct sub_library_command {
719 uint32_t cmd;
720 uint32_t cmdsize;
721 uint32_t sub_library;
722 };
723
724 struct prebound_dylib_command {
725 uint32_t cmd;
726 uint32_t cmdsize;
727 uint32_t name;
728 uint32_t nmodules;
729 uint32_t linked_modules;
730 };
731
732 struct dylinker_command {
733 uint32_t cmd;
734 uint32_t cmdsize;
735 uint32_t name;
736 };
737
738 struct thread_command {
739 uint32_t cmd;
740 uint32_t cmdsize;
741 };
742
743 struct routines_command {
744 uint32_t cmd;
745 uint32_t cmdsize;
746 uint32_t init_address;
747 uint32_t init_module;
748 uint32_t reserved1;
749 uint32_t reserved2;
750 uint32_t reserved3;
751 uint32_t reserved4;
752 uint32_t reserved5;
753 uint32_t reserved6;
754 };
755
756 struct routines_command_64 {
757 uint32_t cmd;
758 uint32_t cmdsize;
759 uint64_t init_address;
760 uint64_t init_module;
761 uint64_t reserved1;
762 uint64_t reserved2;
763 uint64_t reserved3;
764 uint64_t reserved4;
765 uint64_t reserved5;
766 uint64_t reserved6;
767 };
768
769 struct symtab_command {
770 uint32_t cmd;
771 uint32_t cmdsize;
772 uint32_t symoff;
773 uint32_t nsyms;
774 uint32_t stroff;
775 uint32_t strsize;
776 };
777
778 struct dysymtab_command {
779 uint32_t cmd;
780 uint32_t cmdsize;
781 uint32_t ilocalsym;
782 uint32_t nlocalsym;
783 uint32_t iextdefsym;
784 uint32_t nextdefsym;
785 uint32_t iundefsym;
786 uint32_t nundefsym;
787 uint32_t tocoff;
788 uint32_t ntoc;
789 uint32_t modtaboff;
790 uint32_t nmodtab;
791 uint32_t extrefsymoff;
792 uint32_t nextrefsyms;
793 uint32_t indirectsymoff;
794 uint32_t nindirectsyms;
795 uint32_t extreloff;
796 uint32_t nextrel;
797 uint32_t locreloff;
798 uint32_t nlocrel;
799 };
800
801 struct dylib_table_of_contents {
802 uint32_t symbol_index;
803 uint32_t module_index;
804 };
805
806 struct dylib_module {
807 uint32_t module_name;
808 uint32_t iextdefsym;
809 uint32_t nextdefsym;
810 uint32_t irefsym;
811 uint32_t nrefsym;
812 uint32_t ilocalsym;
813 uint32_t nlocalsym;
814 uint32_t iextrel;
815 uint32_t nextrel;
816 uint32_t iinit_iterm;
817 uint32_t ninit_nterm;
818 uint32_t objc_module_info_addr;
819 uint32_t objc_module_info_size;
820 };
821
822 struct dylib_module_64 {
823 uint32_t module_name;
824 uint32_t iextdefsym;
825 uint32_t nextdefsym;
826 uint32_t irefsym;
827 uint32_t nrefsym;
828 uint32_t ilocalsym;
829 uint32_t nlocalsym;
830 uint32_t iextrel;
831 uint32_t nextrel;
832 uint32_t iinit_iterm;
833 uint32_t ninit_nterm;
834 uint32_t objc_module_info_size;
835 uint64_t objc_module_info_addr;
836 };
837
838 struct dylib_reference {
839 uint32_t isym:24,
840 flags:8;
841 };
842
843
844 struct twolevel_hints_command {
845 uint32_t cmd;
846 uint32_t cmdsize;
847 uint32_t offset;
848 uint32_t nhints;
849 };
850
851 struct twolevel_hint {
852 uint32_t isub_image:8,
853 itoc:24;
854 };
855
856 struct prebind_cksum_command {
857 uint32_t cmd;
858 uint32_t cmdsize;
859 uint32_t cksum;
860 };
861
862 struct uuid_command {
863 uint32_t cmd;
864 uint32_t cmdsize;
865 uint8_t uuid[16];
866 };
867
868 struct rpath_command {
869 uint32_t cmd;
870 uint32_t cmdsize;
871 uint32_t path;
872 };
873
874 struct linkedit_data_command {
875 uint32_t cmd;
876 uint32_t cmdsize;
877 uint32_t dataoff;
878 uint32_t datasize;
879 };
880
881 struct data_in_code_entry {
882 uint32_t offset;
883 uint16_t length;
884 uint16_t kind;
885 };
886
887 struct source_version_command {
888 uint32_t cmd;
889 uint32_t cmdsize;
890 uint64_t version;
891 };
892
893 struct encryption_info_command {
894 uint32_t cmd;
895 uint32_t cmdsize;
896 uint32_t cryptoff;
897 uint32_t cryptsize;
898 uint32_t cryptid;
899 };
900
901 struct encryption_info_command_64 {
902 uint32_t cmd;
903 uint32_t cmdsize;
904 uint32_t cryptoff;
905 uint32_t cryptsize;
906 uint32_t cryptid;
907 uint32_t pad;
908 };
909
910 struct version_min_command {
911 uint32_t cmd; // LC_VERSION_MIN_MACOSX or
912 // LC_VERSION_MIN_IPHONEOS
913 uint32_t cmdsize; // sizeof(struct version_min_command)
914 uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz
915 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz
916 };
917
918 struct dyld_info_command {
919 uint32_t cmd;
920 uint32_t cmdsize;
921 uint32_t rebase_off;
922 uint32_t rebase_size;
923 uint32_t bind_off;
924 uint32_t bind_size;
925 uint32_t weak_bind_off;
926 uint32_t weak_bind_size;
927 uint32_t lazy_bind_off;
928 uint32_t lazy_bind_size;
929 uint32_t export_off;
930 uint32_t export_size;
931 };
932
933 struct linker_option_command {
934 uint32_t cmd;
935 uint32_t cmdsize;
936 uint32_t count;
937 };
938
939 struct symseg_command {
940 uint32_t cmd;
941 uint32_t cmdsize;
942 uint32_t offset;
943 uint32_t size;
944 };
945
946 struct ident_command {
947 uint32_t cmd;
948 uint32_t cmdsize;
949 };
950
951 struct fvmfile_command {
952 uint32_t cmd;
953 uint32_t cmdsize;
954 uint32_t name;
955 uint32_t header_addr;
956 };
957
958 struct tlv_descriptor_32 {
959 uint32_t thunk;
960 uint32_t key;
961 uint32_t offset;
962 };
963
964 struct tlv_descriptor_64 {
965 uint64_t thunk;
966 uint64_t key;
967 uint64_t offset;
968 };
969
970 struct tlv_descriptor {
971 uintptr_t thunk;
972 uintptr_t key;
973 uintptr_t offset;
974 };
975
976 struct entry_point_command {
977 uint32_t cmd;
978 uint32_t cmdsize;
979 uint64_t entryoff;
980 uint64_t stacksize;
981 };
982
983
984 // Structs from <mach-o/fat.h>
985 struct fat_header {
986 uint32_t magic;
987 uint32_t nfat_arch;
988 };
989
990 struct fat_arch {
991 uint32_t cputype;
992 uint32_t cpusubtype;
993 uint32_t offset;
994 uint32_t size;
995 uint32_t align;
996 };
997
998 // Structs from <mach-o/reloc.h>
999 struct relocation_info {
1000 int32_t r_address;
1001 uint32_t r_symbolnum:24,
1002 r_pcrel:1,
1003 r_length:2,
1004 r_extern:1,
1005 r_type:4;
1006 };
1007
1008 struct scattered_relocation_info {
1009 #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && (BYTE_ORDER == BIG_ENDIAN)
1010 uint32_t r_scattered:1,
1011 r_pcrel:1,
1012 r_length:2,
1013 r_type:4,
1014 r_address:24;
1015 #else
1016 uint32_t r_address:24,
1017 r_type:4,
1018 r_length:2,
1019 r_pcrel:1,
1020 r_scattered:1;
1021 #endif
1022 int32_t r_value;
1023 };
1024
1025 // Structs NOT from <mach-o/reloc.h>, but that make LLVM's life easier
1026 struct any_relocation_info {
1027 uint32_t r_word0, r_word1;
1028 };
1029
1030 // Structs from <mach-o/nlist.h>
1031 struct nlist_base {
1032 uint32_t n_strx;
1033 uint8_t n_type;
1034 uint8_t n_sect;
1035 uint16_t n_desc;
1036 };
1037
1038 struct nlist {
1039 uint32_t n_strx;
1040 uint8_t n_type;
1041 uint8_t n_sect;
1042 int16_t n_desc;
1043 uint32_t n_value;
1044 };
1045
1046 struct nlist_64 {
1047 uint32_t n_strx;
1048 uint8_t n_type;
1049 uint8_t n_sect;
1050 uint16_t n_desc;
1051 uint64_t n_value;
1052 };
1053
1054 // Get/Set functions from <mach-o/nlist.h>
1055
GET_LIBRARY_ORDINAL(uint16_t n_desc)1056 static inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc) {
1057 return (((n_desc) >> 8u) & 0xffu);
1058 }
1059
SET_LIBRARY_ORDINAL(uint16_t * n_desc,uint8_t ordinal)1060 static inline void SET_LIBRARY_ORDINAL(uint16_t *n_desc, uint8_t ordinal) {
1061 *n_desc = (((*n_desc) & 0x00ff) | (((ordinal) & 0xff) << 8));
1062 }
1063
GET_COMM_ALIGN(uint16_t n_desc)1064 static inline uint8_t GET_COMM_ALIGN (uint16_t n_desc) {
1065 return (n_desc >> 8u) & 0x0fu;
1066 }
1067
SET_COMM_ALIGN(uint16_t * n_desc,uint8_t align)1068 static inline void SET_COMM_ALIGN (uint16_t *n_desc, uint8_t align) {
1069 *n_desc = ((*n_desc & 0xf0ffu) | ((align & 0x0fu) << 8u));
1070 }
1071
1072 // Enums from <mach/machine.h>
1073 enum {
1074 // Capability bits used in the definition of cpu_type.
1075 CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits
1076 CPU_ARCH_ABI64 = 0x01000000, // 64 bit ABI
1077 CPU_ARCH_ABI32 = 0x02000000 // Used for ARM64_32 (new Apple Watch)
1078 };
1079
1080 // Constants for the cputype field.
1081 enum CPUType {
1082 CPU_TYPE_ANY = -1,
1083 CPU_TYPE_VAX = 1,
1084 CPU_TYPE_MC680x0 = 6,
1085 CPU_TYPE_X86 = 7,
1086 CPU_TYPE_I386 = CPU_TYPE_X86,
1087 CPU_TYPE_X86_64 = CPU_TYPE_X86 | CPU_ARCH_ABI64,
1088 CPU_TYPE_MIPS = 8,
1089 CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC
1090 CPU_TYPE_HPPA = 11,
1091 CPU_TYPE_ARM = 12,
1092 CPU_TYPE_ARM64 = CPU_TYPE_ARM | CPU_ARCH_ABI64,
1093 CPU_TYPE_ARM64_32 = CPU_TYPE_ARM | CPU_ARCH_ABI32,
1094 CPU_TYPE_MC88000 = 13,
1095 CPU_TYPE_SPARC = 14,
1096 CPU_TYPE_I860 = 15,
1097 CPU_TYPE_POWERPC = 18,
1098 CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64
1099 };
1100
1101 enum {
1102 // Capability bits used in the definition of cpusubtype.
1103 CPU_SUBTYPE_MASK = 0xff000000, // Mask for architecture bits
1104 CPU_SUBTYPE_LIB64 = 0x80000000, // 64 bit libraries
1105
1106 // Special CPU subtype constants.
1107 CPU_SUBTYPE_MULTIPLE = ~0u
1108 };
1109
1110 // Constants for the cpusubtype field.
1111 enum CPUSubTypeX86 {
1112 CPU_SUBTYPE_I386_ALL = 3,
1113 CPU_SUBTYPE_386 = 3,
1114 CPU_SUBTYPE_486 = 4,
1115 CPU_SUBTYPE_486SX = 0x84,
1116 CPU_SUBTYPE_586 = 5,
1117 CPU_SUBTYPE_PENT = CPU_SUBTYPE_586,
1118 CPU_SUBTYPE_PENTPRO = 0x16,
1119 CPU_SUBTYPE_PENTII_M3 = 0x36,
1120 CPU_SUBTYPE_PENTII_M5 = 0x56,
1121 CPU_SUBTYPE_CELERON = 0x67,
1122 CPU_SUBTYPE_CELERON_MOBILE = 0x77,
1123 CPU_SUBTYPE_PENTIUM_3 = 0x08,
1124 CPU_SUBTYPE_PENTIUM_3_M = 0x18,
1125 CPU_SUBTYPE_PENTIUM_3_XEON = 0x28,
1126 CPU_SUBTYPE_PENTIUM_M = 0x09,
1127 CPU_SUBTYPE_PENTIUM_4 = 0x0a,
1128 CPU_SUBTYPE_PENTIUM_4_M = 0x1a,
1129 CPU_SUBTYPE_ITANIUM = 0x0b,
1130 CPU_SUBTYPE_ITANIUM_2 = 0x1b,
1131 CPU_SUBTYPE_XEON = 0x0c,
1132 CPU_SUBTYPE_XEON_MP = 0x1c,
1133
1134 CPU_SUBTYPE_X86_ALL = 3,
1135 CPU_SUBTYPE_X86_64_ALL = 3,
1136 CPU_SUBTYPE_X86_ARCH1 = 4,
1137 CPU_SUBTYPE_X86_64_H = 8
1138 };
CPU_SUBTYPE_INTEL(int Family,int Model)1139 static inline int CPU_SUBTYPE_INTEL(int Family, int Model) {
1140 return Family | (Model << 4);
1141 }
CPU_SUBTYPE_INTEL_FAMILY(enum CPUSubTypeX86 ST)1142 static inline int CPU_SUBTYPE_INTEL_FAMILY(enum CPUSubTypeX86 ST) {
1143 return ((int)ST) & 0x0f;
1144 }
CPU_SUBTYPE_INTEL_MODEL(enum CPUSubTypeX86 ST)1145 static inline int CPU_SUBTYPE_INTEL_MODEL(enum CPUSubTypeX86 ST) {
1146 return ((int)ST) >> 4;
1147 }
1148 enum {
1149 CPU_SUBTYPE_INTEL_FAMILY_MAX = 15,
1150 CPU_SUBTYPE_INTEL_MODEL_ALL = 0
1151 };
1152
1153 enum CPUSubTypeARM {
1154 CPU_SUBTYPE_ARM_ALL = 0,
1155 CPU_SUBTYPE_ARM_V4T = 5,
1156 CPU_SUBTYPE_ARM_V6 = 6,
1157 CPU_SUBTYPE_ARM_V5 = 7,
1158 CPU_SUBTYPE_ARM_V5TEJ = 7,
1159 CPU_SUBTYPE_ARM_XSCALE = 8,
1160 CPU_SUBTYPE_ARM_V7 = 9,
1161 CPU_SUBTYPE_ARM_V7F = 10,
1162 CPU_SUBTYPE_ARM_V7S = 11,
1163 CPU_SUBTYPE_ARM_V7K = 12,
1164 CPU_SUBTYPE_ARM_V6M = 14,
1165 CPU_SUBTYPE_ARM_V7M = 15,
1166 CPU_SUBTYPE_ARM_V7EM = 16
1167 };
1168
1169 enum CPUSubTypeARM64 {
1170 CPU_SUBTYPE_ARM64_ALL = 0,
1171 CPU_SUBTYPE_ARM64_V8 = 1,
1172 CPU_SUBTYPE_ARM64E = 2
1173 };
1174
1175 enum CPUSubTypeSPARC {
1176 CPU_SUBTYPE_SPARC_ALL = 0
1177 };
1178
1179 enum CPUSubTypePowerPC {
1180 CPU_SUBTYPE_POWERPC_ALL = 0,
1181 CPU_SUBTYPE_POWERPC_601 = 1,
1182 CPU_SUBTYPE_POWERPC_602 = 2,
1183 CPU_SUBTYPE_POWERPC_603 = 3,
1184 CPU_SUBTYPE_POWERPC_603e = 4,
1185 CPU_SUBTYPE_POWERPC_603ev = 5,
1186 CPU_SUBTYPE_POWERPC_604 = 6,
1187 CPU_SUBTYPE_POWERPC_604e = 7,
1188 CPU_SUBTYPE_POWERPC_620 = 8,
1189 CPU_SUBTYPE_POWERPC_750 = 9,
1190 CPU_SUBTYPE_POWERPC_7400 = 10,
1191 CPU_SUBTYPE_POWERPC_7450 = 11,
1192 CPU_SUBTYPE_POWERPC_970 = 100,
1193
1194 CPU_SUBTYPE_MC98000_ALL = CPU_SUBTYPE_POWERPC_ALL,
1195 CPU_SUBTYPE_MC98601 = CPU_SUBTYPE_POWERPC_601
1196 };
1197
1198 enum CPUSubTypeVAX {
1199 CPU_SUBTYPE_VAX_ALL = 0,
1200 CPU_SUBTYPE_VAX780 = 1,
1201 CPU_SUBTYPE_VAX785 = 2,
1202 CPU_SUBTYPE_VAX750 = 3,
1203 CPU_SUBTYPE_VAX730 = 4,
1204 CPU_SUBTYPE_UVAXI = 5,
1205 CPU_SUBTYPE_UVAXII = 6,
1206 CPU_SUBTYPE_VAX8200 = 7,
1207 CPU_SUBTYPE_VAX8500 = 8,
1208 CPU_SUBTYPE_VAX8600 = 9,
1209 CPU_SUBTYPE_VAX8650 = 10,
1210 CPU_SUBTYPE_VAX8800 = 11,
1211 CPU_SUBTYPE_UVAXIII = 12
1212 };
1213
1214 enum CPUSubTypeMIPS {
1215 CPU_SUBTYPE_MIPS_ALL = 0,
1216 CPU_SUBTYPE_MIPS_R2300 = 1,
1217 CPU_SUBTYPE_MIPS_R2600 = 2,
1218 CPU_SUBTYPE_MIPS_R2800 = 3,
1219 CPU_SUBTYPE_MIPS_R2000a = 4,
1220 CPU_SUBTYPE_MIPS_R2000 = 5,
1221 CPU_SUBTYPE_MIPS_R3000a = 6,
1222 CPU_SUBTYPE_MIPS_R3000 = 7
1223 };
1224
1225 enum CPUSubTypeMC680x0 {
1226 CPU_SUBTYPE_MC680x0_ALL = 1,
1227 CPU_SUBTYPE_MC68030 = 1,
1228 CPU_SUBTYPE_MC68040 = 2,
1229 CPU_SUBTYPE_MC68030_ONLY = 3
1230 };
1231
1232 enum CPUSubTypeMC88000 {
1233 CPU_SUBTYPE_MC88000_ALL = 0,
1234 CPU_SUBTYPE_MC88100 = 1,
1235 CPU_SUBTYPE_MC88110 = 2
1236 };
1237
1238 enum CPUSubTypeHPPA {
1239 CPU_SUBTYPE_HPPA_ALL = 0,
1240 CPU_SUBTYPE_HPPA_7100 = 0,
1241 CPU_SUBTYPE_HPPA_7100LC = 1
1242 };
1243
1244 enum CPUSubTypeI860 {
1245 CPU_SUBTYPE_I860_ALL = 0,
1246 CPU_SUBTYPE_I860_860 = 1
1247 };
1248
1249
1250 struct x86_thread_state64_t {
1251 uint64_t rax;
1252 uint64_t rbx;
1253 uint64_t rcx;
1254 uint64_t rdx;
1255 uint64_t rdi;
1256 uint64_t rsi;
1257 uint64_t rbp;
1258 uint64_t rsp;
1259 uint64_t r8;
1260 uint64_t r9;
1261 uint64_t r10;
1262 uint64_t r11;
1263 uint64_t r12;
1264 uint64_t r13;
1265 uint64_t r14;
1266 uint64_t r15;
1267 uint64_t rip;
1268 uint64_t rflags;
1269 uint64_t cs;
1270 uint64_t fs;
1271 uint64_t gs;
1272 };
1273
1274 enum x86_fp_control_precis {
1275 x86_FP_PREC_24B = 0,
1276 x86_FP_PREC_53B = 2,
1277 x86_FP_PREC_64B = 3
1278 };
1279
1280 enum x86_fp_control_rc {
1281 x86_FP_RND_NEAR = 0,
1282 x86_FP_RND_DOWN = 1,
1283 x86_FP_RND_UP = 2,
1284 x86_FP_CHOP = 3
1285 };
1286
1287 struct fp_control_t {
1288 unsigned short
1289 invalid :1,
1290 denorm :1,
1291 zdiv :1,
1292 ovrfl :1,
1293 undfl :1,
1294 precis :1,
1295 :2,
1296 pc :2,
1297 rc :2,
1298 :1,
1299 :3;
1300 };
1301
1302 struct fp_status_t {
1303 unsigned short
1304 invalid :1,
1305 denorm :1,
1306 zdiv :1,
1307 ovrfl :1,
1308 undfl :1,
1309 precis :1,
1310 stkflt :1,
1311 errsumm :1,
1312 c0 :1,
1313 c1 :1,
1314 c2 :1,
1315 tos :3,
1316 c3 :1,
1317 busy :1;
1318 };
1319
1320 struct mmst_reg_t {
1321 char mmst_reg[10];
1322 char mmst_rsrv[6];
1323 };
1324
1325 struct xmm_reg_t {
1326 char xmm_reg[16];
1327 };
1328
1329 struct x86_float_state64_t {
1330 int32_t fpu_reserved[2];
1331 struct fp_control_t fpu_fcw;
1332 struct fp_status_t fpu_fsw;
1333 uint8_t fpu_ftw;
1334 uint8_t fpu_rsrv1;
1335 uint16_t fpu_fop;
1336 uint32_t fpu_ip;
1337 uint16_t fpu_cs;
1338 uint16_t fpu_rsrv2;
1339 uint32_t fpu_dp;
1340 uint16_t fpu_ds;
1341 uint16_t fpu_rsrv3;
1342 uint32_t fpu_mxcsr;
1343 uint32_t fpu_mxcsrmask;
1344 struct mmst_reg_t fpu_stmm0;
1345 struct mmst_reg_t fpu_stmm1;
1346 struct mmst_reg_t fpu_stmm2;
1347 struct mmst_reg_t fpu_stmm3;
1348 struct mmst_reg_t fpu_stmm4;
1349 struct mmst_reg_t fpu_stmm5;
1350 struct mmst_reg_t fpu_stmm6;
1351 struct mmst_reg_t fpu_stmm7;
1352 struct xmm_reg_t fpu_xmm0;
1353 struct xmm_reg_t fpu_xmm1;
1354 struct xmm_reg_t fpu_xmm2;
1355 struct xmm_reg_t fpu_xmm3;
1356 struct xmm_reg_t fpu_xmm4;
1357 struct xmm_reg_t fpu_xmm5;
1358 struct xmm_reg_t fpu_xmm6;
1359 struct xmm_reg_t fpu_xmm7;
1360 struct xmm_reg_t fpu_xmm8;
1361 struct xmm_reg_t fpu_xmm9;
1362 struct xmm_reg_t fpu_xmm10;
1363 struct xmm_reg_t fpu_xmm11;
1364 struct xmm_reg_t fpu_xmm12;
1365 struct xmm_reg_t fpu_xmm13;
1366 struct xmm_reg_t fpu_xmm14;
1367 struct xmm_reg_t fpu_xmm15;
1368 char fpu_rsrv4[6*16];
1369 uint32_t fpu_reserved1;
1370 };
1371
1372 struct x86_exception_state64_t {
1373 uint16_t trapno;
1374 uint16_t cpu;
1375 uint32_t err;
1376 uint64_t faultvaddr;
1377 };
1378
1379 struct x86_state_hdr_t {
1380 uint32_t flavor;
1381 uint32_t count;
1382 };
1383
1384 struct x86_thread_state_t {
1385 struct x86_state_hdr_t tsh;
1386 union {
1387 struct x86_thread_state64_t ts64;
1388 } uts;
1389 };
1390
1391 struct x86_float_state_t {
1392 struct x86_state_hdr_t fsh;
1393 union {
1394 struct x86_float_state64_t fs64;
1395 } ufs;
1396 };
1397
1398 struct x86_exception_state_t {
1399 struct x86_state_hdr_t esh;
1400 union {
1401 struct x86_exception_state64_t es64;
1402 } ues;
1403 };
1404
1405 enum X86ThreadFlavors {
1406 x86_THREAD_STATE32 = 1,
1407 x86_FLOAT_STATE32 = 2,
1408 x86_EXCEPTION_STATE32 = 3,
1409 x86_THREAD_STATE64 = 4,
1410 x86_FLOAT_STATE64 = 5,
1411 x86_EXCEPTION_STATE64 = 6,
1412 x86_THREAD_STATE = 7,
1413 x86_FLOAT_STATE = 8,
1414 x86_EXCEPTION_STATE = 9,
1415 x86_DEBUG_STATE32 = 10,
1416 x86_DEBUG_STATE64 = 11,
1417 x86_DEBUG_STATE = 12
1418 };
1419
1420 #define x86_THREAD_STATE64_COUNT \
1421 sizeof(struct x86_thread_state64_t) / sizeof(uint32_t);
1422 #define x86_FLOAT_STATE64_COUNT \
1423 sizeof(struct x86_float_state64_t) / sizeof(uint32_t);
1424 #define x86_EXCEPTION_STATE64_COUNT \
1425 sizeof(struct x86_exception_state64_t) / sizeof(uint32_t);
1426
1427 #define x86_THREAD_STATE_COUNT \
1428 sizeof(struct x86_thread_state_t) / sizeof(uint32_t);
1429 #define x86_FLOAT_STATE_COUNT \
1430 sizeof(struct x86_float_state_t) / sizeof(uint32_t);
1431 #define x86_EXCEPTION_STATE_COUNT \
1432 sizeof(struct x86_exception_state_t) / sizeof(uint32_t);
1433
1434 #define EXPORT_SYMBOL_FLAGS_KIND_MASK 0x03
1435 #define EXPORT_SYMBOL_FLAGS_KIND_REGULAR 0x00
1436 #define EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL 0x01
1437 #define EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE 0x02
1438 #define EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION 0x04
1439 #define EXPORT_SYMBOL_FLAGS_REEXPORT 0x08
1440 #define EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER 0x10
1441
1442 struct dyld_chained_fixups_header
1443 {
1444 uint32_t fixups_version;
1445 uint32_t starts_offset;
1446 uint32_t imports_offset;
1447 uint32_t symbols_offset;
1448 uint32_t imports_count;
1449 uint32_t imports_format;
1450 uint32_t symbols_format;
1451 };
1452
1453 struct dyld_chained_starts_in_image {
1454 uint32_t seg_count;
1455 };
1456
1457 struct dyld_chained_starts_in_segment {
1458 uint32_t size;
1459 uint16_t page_size;
1460 uint16_t pointer_format;
1461 uint64_t segment_offset;
1462 uint32_t max_valid_pointer;
1463 uint16_t page_count;
1464 };
1465
1466 struct r_dyld_chained_starts_in_segment {
1467 uint32_t size;
1468 uint16_t page_size;
1469 uint16_t pointer_format;
1470 uint64_t segment_offset;
1471 uint32_t max_valid_pointer;
1472 uint16_t page_count;
1473 ut16 * page_start;
1474 };
1475
1476 enum {
1477 DYLD_CHAINED_PTR_START_NONE = 0xFFFF,
1478 DYLD_CHAINED_PTR_START_MULTI = 0x8000,
1479 DYLD_CHAINED_PTR_START_LAST = 0x8000,
1480 };
1481
1482 enum {
1483 DYLD_CHAINED_PTR_ARM64E = 1,
1484 DYLD_CHAINED_PTR_64 = 2,
1485 DYLD_CHAINED_PTR_32 = 3,
1486 DYLD_CHAINED_PTR_32_CACHE = 4,
1487 DYLD_CHAINED_PTR_32_FIRMWARE = 5,
1488 DYLD_CHAINED_PTR_ARM64E_KERNEL = 7,
1489 DYLD_CHAINED_PTR_64_KERNEL_CACHE = 8,
1490 };
1491
1492 struct dyld_chained_ptr_arm64e_rebase {
1493 uint64_t target : 43,
1494 high8 : 8,
1495 next : 11,
1496 bind : 1, // == 0
1497 auth : 1; // == 0
1498 };
1499
1500 struct dyld_chained_ptr_arm64e_bind {
1501 uint64_t ordinal : 16,
1502 zero : 16,
1503 addend : 19,
1504 next : 11,
1505 bind : 1, // == 1
1506 auth : 1; // == 0
1507 };
1508
1509 struct dyld_chained_ptr_arm64e_auth_rebase {
1510 uint64_t target : 32,
1511 diversity : 16,
1512 addrDiv : 1,
1513 key : 2,
1514 next : 11,
1515 bind : 1, // == 0
1516 auth : 1; // == 1
1517 };
1518
1519 struct dyld_chained_ptr_arm64e_auth_bind {
1520 uint64_t ordinal : 16,
1521 zero : 16,
1522 diversity : 16,
1523 addrDiv : 1,
1524 key : 2,
1525 next : 11,
1526 bind : 1, // == 1
1527 auth : 1; // == 1
1528 };
1529
1530 /* WARNING: this is guesswork based on trial and error */
1531 struct dyld_chained_ptr_arm64e_cache_rebase {
1532 uint64_t target : 43,
1533 high8 : 8,
1534 next : 12,
1535 auth : 1; // == 0
1536 };
1537
1538 struct dyld_chained_ptr_arm64e_cache_auth_rebase {
1539 uint64_t target : 32,
1540 diversity : 16,
1541 addrDiv : 1,
1542 key : 2,
1543 next : 12,
1544 auth : 1; // == 1
1545 };
1546
1547 #endif
1548