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