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Nicolas Capens0cf20062016-09-26 15:02:51 -04001//===-- llvm/Support/MachO.h - The MachO file format ------------*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines manifest constants for the MachO object file format.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_SUPPORT_MACHO_H
15#define LLVM_SUPPORT_MACHO_H
16
17#include "llvm/Support/Compiler.h"
18#include "llvm/Support/DataTypes.h"
19#include "llvm/Support/Host.h"
20
21namespace llvm {
22 namespace MachO {
23 // Enums from <mach-o/loader.h>
24 enum : uint32_t {
25 // Constants for the "magic" field in llvm::MachO::mach_header and
26 // llvm::MachO::mach_header_64
27 MH_MAGIC = 0xFEEDFACEu,
28 MH_CIGAM = 0xCEFAEDFEu,
29 MH_MAGIC_64 = 0xFEEDFACFu,
30 MH_CIGAM_64 = 0xCFFAEDFEu,
31 FAT_MAGIC = 0xCAFEBABEu,
32 FAT_CIGAM = 0xBEBAFECAu,
33 FAT_MAGIC_64 = 0xCAFEBABFu,
34 FAT_CIGAM_64 = 0xBFBAFECAu
35 };
36
37 enum HeaderFileType {
38 // Constants for the "filetype" field in llvm::MachO::mach_header and
39 // llvm::MachO::mach_header_64
40 MH_OBJECT = 0x1u,
41 MH_EXECUTE = 0x2u,
42 MH_FVMLIB = 0x3u,
43 MH_CORE = 0x4u,
44 MH_PRELOAD = 0x5u,
45 MH_DYLIB = 0x6u,
46 MH_DYLINKER = 0x7u,
47 MH_BUNDLE = 0x8u,
48 MH_DYLIB_STUB = 0x9u,
49 MH_DSYM = 0xAu,
50 MH_KEXT_BUNDLE = 0xBu
51 };
52
53 enum {
54 // Constant bits for the "flags" field in llvm::MachO::mach_header and
55 // llvm::MachO::mach_header_64
56 MH_NOUNDEFS = 0x00000001u,
57 MH_INCRLINK = 0x00000002u,
58 MH_DYLDLINK = 0x00000004u,
59 MH_BINDATLOAD = 0x00000008u,
60 MH_PREBOUND = 0x00000010u,
61 MH_SPLIT_SEGS = 0x00000020u,
62 MH_LAZY_INIT = 0x00000040u,
63 MH_TWOLEVEL = 0x00000080u,
64 MH_FORCE_FLAT = 0x00000100u,
65 MH_NOMULTIDEFS = 0x00000200u,
66 MH_NOFIXPREBINDING = 0x00000400u,
67 MH_PREBINDABLE = 0x00000800u,
68 MH_ALLMODSBOUND = 0x00001000u,
69 MH_SUBSECTIONS_VIA_SYMBOLS = 0x00002000u,
70 MH_CANONICAL = 0x00004000u,
71 MH_WEAK_DEFINES = 0x00008000u,
72 MH_BINDS_TO_WEAK = 0x00010000u,
73 MH_ALLOW_STACK_EXECUTION = 0x00020000u,
74 MH_ROOT_SAFE = 0x00040000u,
75 MH_SETUID_SAFE = 0x00080000u,
76 MH_NO_REEXPORTED_DYLIBS = 0x00100000u,
77 MH_PIE = 0x00200000u,
78 MH_DEAD_STRIPPABLE_DYLIB = 0x00400000u,
79 MH_HAS_TLV_DESCRIPTORS = 0x00800000u,
80 MH_NO_HEAP_EXECUTION = 0x01000000u,
81 MH_APP_EXTENSION_SAFE = 0x02000000u
82 };
83
84 enum : uint32_t {
85 // Flags for the "cmd" field in llvm::MachO::load_command
86 LC_REQ_DYLD = 0x80000000u
87 };
88
89#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct) \
90 LCName = LCValue,
91
92 enum LoadCommandType : uint32_t {
93 #include "llvm/Support/MachO.def"
94 };
95
96#undef HANDLE_LOAD_COMMAND
97
98 enum : uint32_t {
99 // Constant bits for the "flags" field in llvm::MachO::segment_command
100 SG_HIGHVM = 0x1u,
101 SG_FVMLIB = 0x2u,
102 SG_NORELOC = 0x4u,
103 SG_PROTECTED_VERSION_1 = 0x8u,
104
105 // Constant masks for the "flags" field in llvm::MachO::section and
106 // llvm::MachO::section_64
107 SECTION_TYPE = 0x000000ffu, // SECTION_TYPE
108 SECTION_ATTRIBUTES = 0xffffff00u, // SECTION_ATTRIBUTES
109 SECTION_ATTRIBUTES_USR = 0xff000000u, // SECTION_ATTRIBUTES_USR
110 SECTION_ATTRIBUTES_SYS = 0x00ffff00u // SECTION_ATTRIBUTES_SYS
111 };
112
113 /// These are the section type and attributes fields. A MachO section can
114 /// have only one Type, but can have any of the attributes specified.
115 enum SectionType : uint32_t {
116 // Constant masks for the "flags[7:0]" field in llvm::MachO::section and
117 // llvm::MachO::section_64 (mask "flags" with SECTION_TYPE)
118
119 /// S_REGULAR - Regular section.
120 S_REGULAR = 0x00u,
121 /// S_ZEROFILL - Zero fill on demand section.
122 S_ZEROFILL = 0x01u,
123 /// S_CSTRING_LITERALS - Section with literal C strings.
124 S_CSTRING_LITERALS = 0x02u,
125 /// S_4BYTE_LITERALS - Section with 4 byte literals.
126 S_4BYTE_LITERALS = 0x03u,
127 /// S_8BYTE_LITERALS - Section with 8 byte literals.
128 S_8BYTE_LITERALS = 0x04u,
129 /// S_LITERAL_POINTERS - Section with pointers to literals.
130 S_LITERAL_POINTERS = 0x05u,
131 /// S_NON_LAZY_SYMBOL_POINTERS - Section with non-lazy symbol pointers.
132 S_NON_LAZY_SYMBOL_POINTERS = 0x06u,
133 /// S_LAZY_SYMBOL_POINTERS - Section with lazy symbol pointers.
134 S_LAZY_SYMBOL_POINTERS = 0x07u,
135 /// S_SYMBOL_STUBS - Section with symbol stubs, byte size of stub in
136 /// the Reserved2 field.
137 S_SYMBOL_STUBS = 0x08u,
138 /// S_MOD_INIT_FUNC_POINTERS - Section with only function pointers for
139 /// initialization.
140 S_MOD_INIT_FUNC_POINTERS = 0x09u,
141 /// S_MOD_TERM_FUNC_POINTERS - Section with only function pointers for
142 /// termination.
143 S_MOD_TERM_FUNC_POINTERS = 0x0au,
144 /// S_COALESCED - Section contains symbols that are to be coalesced.
145 S_COALESCED = 0x0bu,
146 /// S_GB_ZEROFILL - Zero fill on demand section (that can be larger than 4
147 /// gigabytes).
148 S_GB_ZEROFILL = 0x0cu,
149 /// S_INTERPOSING - Section with only pairs of function pointers for
150 /// interposing.
151 S_INTERPOSING = 0x0du,
152 /// S_16BYTE_LITERALS - Section with only 16 byte literals.
153 S_16BYTE_LITERALS = 0x0eu,
154 /// S_DTRACE_DOF - Section contains DTrace Object Format.
155 S_DTRACE_DOF = 0x0fu,
156 /// S_LAZY_DYLIB_SYMBOL_POINTERS - Section with lazy symbol pointers to
157 /// lazy loaded dylibs.
158 S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10u,
159 /// S_THREAD_LOCAL_REGULAR - Thread local data section.
160 S_THREAD_LOCAL_REGULAR = 0x11u,
161 /// S_THREAD_LOCAL_ZEROFILL - Thread local zerofill section.
162 S_THREAD_LOCAL_ZEROFILL = 0x12u,
163 /// S_THREAD_LOCAL_VARIABLES - Section with thread local variable
164 /// structure data.
165 S_THREAD_LOCAL_VARIABLES = 0x13u,
166 /// S_THREAD_LOCAL_VARIABLE_POINTERS - Section with pointers to thread
167 /// local structures.
168 S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14u,
169 /// S_THREAD_LOCAL_INIT_FUNCTION_POINTERS - Section with thread local
170 /// variable initialization pointers to functions.
171 S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u,
172
173 LAST_KNOWN_SECTION_TYPE = S_THREAD_LOCAL_INIT_FUNCTION_POINTERS
174 };
175
176 enum : uint32_t {
177 // Constant masks for the "flags[31:24]" field in llvm::MachO::section and
178 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_USR)
179
180 /// S_ATTR_PURE_INSTRUCTIONS - Section contains only true machine
181 /// instructions.
182 S_ATTR_PURE_INSTRUCTIONS = 0x80000000u,
183 /// S_ATTR_NO_TOC - Section contains coalesced symbols that are not to be
184 /// in a ranlib table of contents.
185 S_ATTR_NO_TOC = 0x40000000u,
186 /// S_ATTR_STRIP_STATIC_SYMS - Ok to strip static symbols in this section
187 /// in files with the MY_DYLDLINK flag.
188 S_ATTR_STRIP_STATIC_SYMS = 0x20000000u,
189 /// S_ATTR_NO_DEAD_STRIP - No dead stripping.
190 S_ATTR_NO_DEAD_STRIP = 0x10000000u,
191 /// S_ATTR_LIVE_SUPPORT - Blocks are live if they reference live blocks.
192 S_ATTR_LIVE_SUPPORT = 0x08000000u,
193 /// S_ATTR_SELF_MODIFYING_CODE - Used with i386 code stubs written on by
194 /// dyld.
195 S_ATTR_SELF_MODIFYING_CODE = 0x04000000u,
196 /// S_ATTR_DEBUG - A debug section.
197 S_ATTR_DEBUG = 0x02000000u,
198
199 // Constant masks for the "flags[23:8]" field in llvm::MachO::section and
200 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_SYS)
201
202 /// S_ATTR_SOME_INSTRUCTIONS - Section contains some machine instructions.
203 S_ATTR_SOME_INSTRUCTIONS = 0x00000400u,
204 /// S_ATTR_EXT_RELOC - Section has external relocation entries.
205 S_ATTR_EXT_RELOC = 0x00000200u,
206 /// S_ATTR_LOC_RELOC - Section has local relocation entries.
207 S_ATTR_LOC_RELOC = 0x00000100u,
208
209 // Constant masks for the value of an indirect symbol in an indirect
210 // symbol table
211 INDIRECT_SYMBOL_LOCAL = 0x80000000u,
212 INDIRECT_SYMBOL_ABS = 0x40000000u
213 };
214
215 enum DataRegionType {
216 // Constants for the "kind" field in a data_in_code_entry structure
217 DICE_KIND_DATA = 1u,
218 DICE_KIND_JUMP_TABLE8 = 2u,
219 DICE_KIND_JUMP_TABLE16 = 3u,
220 DICE_KIND_JUMP_TABLE32 = 4u,
221 DICE_KIND_ABS_JUMP_TABLE32 = 5u
222 };
223
224 enum RebaseType {
225 REBASE_TYPE_POINTER = 1u,
226 REBASE_TYPE_TEXT_ABSOLUTE32 = 2u,
227 REBASE_TYPE_TEXT_PCREL32 = 3u
228 };
229
230 enum {
231 REBASE_OPCODE_MASK = 0xF0u,
232 REBASE_IMMEDIATE_MASK = 0x0Fu
233 };
234
235 enum RebaseOpcode {
236 REBASE_OPCODE_DONE = 0x00u,
237 REBASE_OPCODE_SET_TYPE_IMM = 0x10u,
238 REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x20u,
239 REBASE_OPCODE_ADD_ADDR_ULEB = 0x30u,
240 REBASE_OPCODE_ADD_ADDR_IMM_SCALED = 0x40u,
241 REBASE_OPCODE_DO_REBASE_IMM_TIMES = 0x50u,
242 REBASE_OPCODE_DO_REBASE_ULEB_TIMES = 0x60u,
243 REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB = 0x70u,
244 REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB = 0x80u
245 };
246
247 enum BindType {
248 BIND_TYPE_POINTER = 1u,
249 BIND_TYPE_TEXT_ABSOLUTE32 = 2u,
250 BIND_TYPE_TEXT_PCREL32 = 3u
251 };
252
253 enum BindSpecialDylib {
254 BIND_SPECIAL_DYLIB_SELF = 0,
255 BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1,
256 BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2
257 };
258
259 enum {
260 BIND_SYMBOL_FLAGS_WEAK_IMPORT = 0x1u,
261 BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION = 0x8u,
262
263 BIND_OPCODE_MASK = 0xF0u,
264 BIND_IMMEDIATE_MASK = 0x0Fu
265 };
266
267 enum BindOpcode {
268 BIND_OPCODE_DONE = 0x00u,
269 BIND_OPCODE_SET_DYLIB_ORDINAL_IMM = 0x10u,
270 BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB = 0x20u,
271 BIND_OPCODE_SET_DYLIB_SPECIAL_IMM = 0x30u,
272 BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM = 0x40u,
273 BIND_OPCODE_SET_TYPE_IMM = 0x50u,
274 BIND_OPCODE_SET_ADDEND_SLEB = 0x60u,
275 BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x70u,
276 BIND_OPCODE_ADD_ADDR_ULEB = 0x80u,
277 BIND_OPCODE_DO_BIND = 0x90u,
278 BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB = 0xA0u,
279 BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED = 0xB0u,
280 BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB = 0xC0u
281 };
282
283 enum {
284 EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03u,
285 EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04u,
286 EXPORT_SYMBOL_FLAGS_REEXPORT = 0x08u,
287 EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10u
288 };
289
290 enum ExportSymbolKind {
291 EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00u,
292 EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01u,
293 EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE = 0x02u
294 };
295
296 enum {
297 // Constant masks for the "n_type" field in llvm::MachO::nlist and
298 // llvm::MachO::nlist_64
299 N_STAB = 0xe0,
300 N_PEXT = 0x10,
301 N_TYPE = 0x0e,
302 N_EXT = 0x01
303 };
304
305 enum NListType : uint8_t {
306 // Constants for the "n_type & N_TYPE" llvm::MachO::nlist and
307 // llvm::MachO::nlist_64
308 N_UNDF = 0x0u,
309 N_ABS = 0x2u,
310 N_SECT = 0xeu,
311 N_PBUD = 0xcu,
312 N_INDR = 0xau
313 };
314
315 enum SectionOrdinal {
316 // Constants for the "n_sect" field in llvm::MachO::nlist and
317 // llvm::MachO::nlist_64
318 NO_SECT = 0u,
319 MAX_SECT = 0xffu
320 };
321
322 enum {
323 // Constant masks for the "n_desc" field in llvm::MachO::nlist and
324 // llvm::MachO::nlist_64
325 // The low 3 bits are the for the REFERENCE_TYPE.
326 REFERENCE_TYPE = 0x7,
327 REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0,
328 REFERENCE_FLAG_UNDEFINED_LAZY = 1,
329 REFERENCE_FLAG_DEFINED = 2,
330 REFERENCE_FLAG_PRIVATE_DEFINED = 3,
331 REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4,
332 REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5,
333 // Flag bits (some overlap with the library ordinal bits).
334 N_ARM_THUMB_DEF = 0x0008u,
335 REFERENCED_DYNAMICALLY = 0x0010u,
336 N_NO_DEAD_STRIP = 0x0020u,
337 N_WEAK_REF = 0x0040u,
338 N_WEAK_DEF = 0x0080u,
339 N_SYMBOL_RESOLVER = 0x0100u,
340 N_ALT_ENTRY = 0x0200u,
341 // For undefined symbols coming from libraries, see GET_LIBRARY_ORDINAL()
342 // as these are in the top 8 bits.
343 SELF_LIBRARY_ORDINAL = 0x0,
344 MAX_LIBRARY_ORDINAL = 0xfd,
345 DYNAMIC_LOOKUP_ORDINAL = 0xfe,
346 EXECUTABLE_ORDINAL = 0xff
347 };
348
349 enum StabType {
350 // Constant values for the "n_type" field in llvm::MachO::nlist and
351 // llvm::MachO::nlist_64 when "(n_type & N_STAB) != 0"
352 N_GSYM = 0x20u,
353 N_FNAME = 0x22u,
354 N_FUN = 0x24u,
355 N_STSYM = 0x26u,
356 N_LCSYM = 0x28u,
357 N_BNSYM = 0x2Eu,
358 N_PC = 0x30u,
359 N_AST = 0x32u,
360 N_OPT = 0x3Cu,
361 N_RSYM = 0x40u,
362 N_SLINE = 0x44u,
363 N_ENSYM = 0x4Eu,
364 N_SSYM = 0x60u,
365 N_SO = 0x64u,
366 N_OSO = 0x66u,
367 N_LSYM = 0x80u,
368 N_BINCL = 0x82u,
369 N_SOL = 0x84u,
370 N_PARAMS = 0x86u,
371 N_VERSION = 0x88u,
372 N_OLEVEL = 0x8Au,
373 N_PSYM = 0xA0u,
374 N_EINCL = 0xA2u,
375 N_ENTRY = 0xA4u,
376 N_LBRAC = 0xC0u,
377 N_EXCL = 0xC2u,
378 N_RBRAC = 0xE0u,
379 N_BCOMM = 0xE2u,
380 N_ECOMM = 0xE4u,
381 N_ECOML = 0xE8u,
382 N_LENG = 0xFEu
383 };
384
385 enum : uint32_t {
386 // Constant values for the r_symbolnum field in an
387 // llvm::MachO::relocation_info structure when r_extern is 0.
388 R_ABS = 0,
389
390 // Constant bits for the r_address field in an
391 // llvm::MachO::relocation_info structure.
392 R_SCATTERED = 0x80000000
393 };
394
395 enum RelocationInfoType {
396 // Constant values for the r_type field in an
397 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
398 // structure.
399 GENERIC_RELOC_VANILLA = 0,
400 GENERIC_RELOC_PAIR = 1,
401 GENERIC_RELOC_SECTDIFF = 2,
402 GENERIC_RELOC_PB_LA_PTR = 3,
403 GENERIC_RELOC_LOCAL_SECTDIFF = 4,
404 GENERIC_RELOC_TLV = 5,
405
406 // Constant values for the r_type field in a PowerPC architecture
407 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
408 // structure.
409 PPC_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
410 PPC_RELOC_PAIR = GENERIC_RELOC_PAIR,
411 PPC_RELOC_BR14 = 2,
412 PPC_RELOC_BR24 = 3,
413 PPC_RELOC_HI16 = 4,
414 PPC_RELOC_LO16 = 5,
415 PPC_RELOC_HA16 = 6,
416 PPC_RELOC_LO14 = 7,
417 PPC_RELOC_SECTDIFF = 8,
418 PPC_RELOC_PB_LA_PTR = 9,
419 PPC_RELOC_HI16_SECTDIFF = 10,
420 PPC_RELOC_LO16_SECTDIFF = 11,
421 PPC_RELOC_HA16_SECTDIFF = 12,
422 PPC_RELOC_JBSR = 13,
423 PPC_RELOC_LO14_SECTDIFF = 14,
424 PPC_RELOC_LOCAL_SECTDIFF = 15,
425
426 // Constant values for the r_type field in an ARM architecture
427 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
428 // structure.
429 ARM_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
430 ARM_RELOC_PAIR = GENERIC_RELOC_PAIR,
431 ARM_RELOC_SECTDIFF = GENERIC_RELOC_SECTDIFF,
432 ARM_RELOC_LOCAL_SECTDIFF = 3,
433 ARM_RELOC_PB_LA_PTR = 4,
434 ARM_RELOC_BR24 = 5,
435 ARM_THUMB_RELOC_BR22 = 6,
436 ARM_THUMB_32BIT_BRANCH = 7, // obsolete
437 ARM_RELOC_HALF = 8,
438 ARM_RELOC_HALF_SECTDIFF = 9,
439
440 // Constant values for the r_type field in an ARM64 architecture
441 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
442 // structure.
443
444 // For pointers.
445 ARM64_RELOC_UNSIGNED = 0,
446 // Must be followed by an ARM64_RELOC_UNSIGNED
447 ARM64_RELOC_SUBTRACTOR = 1,
448 // A B/BL instruction with 26-bit displacement.
449 ARM64_RELOC_BRANCH26 = 2,
450 // PC-rel distance to page of target.
451 ARM64_RELOC_PAGE21 = 3,
452 // Offset within page, scaled by r_length.
453 ARM64_RELOC_PAGEOFF12 = 4,
454 // PC-rel distance to page of GOT slot.
455 ARM64_RELOC_GOT_LOAD_PAGE21 = 5,
456 // Offset within page of GOT slot, scaled by r_length.
457 ARM64_RELOC_GOT_LOAD_PAGEOFF12 = 6,
458 // For pointers to GOT slots.
459 ARM64_RELOC_POINTER_TO_GOT = 7,
460 // PC-rel distance to page of TLVP slot.
461 ARM64_RELOC_TLVP_LOAD_PAGE21 = 8,
462 // Offset within page of TLVP slot, scaled by r_length.
463 ARM64_RELOC_TLVP_LOAD_PAGEOFF12 = 9,
464 // Must be followed by ARM64_RELOC_PAGE21 or ARM64_RELOC_PAGEOFF12.
465 ARM64_RELOC_ADDEND = 10,
466
467 // Constant values for the r_type field in an x86_64 architecture
468 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
469 // structure
470 X86_64_RELOC_UNSIGNED = 0,
471 X86_64_RELOC_SIGNED = 1,
472 X86_64_RELOC_BRANCH = 2,
473 X86_64_RELOC_GOT_LOAD = 3,
474 X86_64_RELOC_GOT = 4,
475 X86_64_RELOC_SUBTRACTOR = 5,
476 X86_64_RELOC_SIGNED_1 = 6,
477 X86_64_RELOC_SIGNED_2 = 7,
478 X86_64_RELOC_SIGNED_4 = 8,
479 X86_64_RELOC_TLV = 9
480 };
481
482 // Values for segment_command.initprot.
483 // From <mach/vm_prot.h>
484 enum {
485 VM_PROT_READ = 0x1,
486 VM_PROT_WRITE = 0x2,
487 VM_PROT_EXECUTE = 0x4
488 };
489
490 // Structs from <mach-o/loader.h>
491
492 struct mach_header {
493 uint32_t magic;
494 uint32_t cputype;
495 uint32_t cpusubtype;
496 uint32_t filetype;
497 uint32_t ncmds;
498 uint32_t sizeofcmds;
499 uint32_t flags;
500 };
501
502 struct mach_header_64 {
503 uint32_t magic;
504 uint32_t cputype;
505 uint32_t cpusubtype;
506 uint32_t filetype;
507 uint32_t ncmds;
508 uint32_t sizeofcmds;
509 uint32_t flags;
510 uint32_t reserved;
511 };
512
513 struct load_command {
514 uint32_t cmd;
515 uint32_t cmdsize;
516 };
517
518 struct segment_command {
519 uint32_t cmd;
520 uint32_t cmdsize;
521 char segname[16];
522 uint32_t vmaddr;
523 uint32_t vmsize;
524 uint32_t fileoff;
525 uint32_t filesize;
526 uint32_t maxprot;
527 uint32_t initprot;
528 uint32_t nsects;
529 uint32_t flags;
530 };
531
532 struct segment_command_64 {
533 uint32_t cmd;
534 uint32_t cmdsize;
535 char segname[16];
536 uint64_t vmaddr;
537 uint64_t vmsize;
538 uint64_t fileoff;
539 uint64_t filesize;
540 uint32_t maxprot;
541 uint32_t initprot;
542 uint32_t nsects;
543 uint32_t flags;
544 };
545
546 struct section {
547 char sectname[16];
548 char segname[16];
549 uint32_t addr;
550 uint32_t size;
551 uint32_t offset;
552 uint32_t align;
553 uint32_t reloff;
554 uint32_t nreloc;
555 uint32_t flags;
556 uint32_t reserved1;
557 uint32_t reserved2;
558 };
559
560 struct section_64 {
561 char sectname[16];
562 char segname[16];
563 uint64_t addr;
564 uint64_t size;
565 uint32_t offset;
566 uint32_t align;
567 uint32_t reloff;
568 uint32_t nreloc;
569 uint32_t flags;
570 uint32_t reserved1;
571 uint32_t reserved2;
572 uint32_t reserved3;
573 };
574
575 struct fvmlib {
576 uint32_t name;
577 uint32_t minor_version;
578 uint32_t header_addr;
579 };
580
Nicolas Capensb7d59242017-01-03 14:02:05 -0500581 // The fvmlib_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -0400582 struct fvmlib_command {
583 uint32_t cmd;
584 uint32_t cmdsize;
585 struct fvmlib fvmlib;
586 };
587
588 struct dylib {
589 uint32_t name;
590 uint32_t timestamp;
591 uint32_t current_version;
592 uint32_t compatibility_version;
593 };
594
595 struct dylib_command {
596 uint32_t cmd;
597 uint32_t cmdsize;
598 struct dylib dylib;
599 };
600
601 struct sub_framework_command {
602 uint32_t cmd;
603 uint32_t cmdsize;
604 uint32_t umbrella;
605 };
606
607 struct sub_client_command {
608 uint32_t cmd;
609 uint32_t cmdsize;
610 uint32_t client;
611 };
612
613 struct sub_umbrella_command {
614 uint32_t cmd;
615 uint32_t cmdsize;
616 uint32_t sub_umbrella;
617 };
618
619 struct sub_library_command {
620 uint32_t cmd;
621 uint32_t cmdsize;
622 uint32_t sub_library;
623 };
624
Nicolas Capensb7d59242017-01-03 14:02:05 -0500625 // The prebound_dylib_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -0400626 struct prebound_dylib_command {
627 uint32_t cmd;
628 uint32_t cmdsize;
629 uint32_t name;
630 uint32_t nmodules;
631 uint32_t linked_modules;
632 };
633
634 struct dylinker_command {
635 uint32_t cmd;
636 uint32_t cmdsize;
637 uint32_t name;
638 };
639
640 struct thread_command {
641 uint32_t cmd;
642 uint32_t cmdsize;
643 };
644
645 struct routines_command {
646 uint32_t cmd;
647 uint32_t cmdsize;
648 uint32_t init_address;
649 uint32_t init_module;
650 uint32_t reserved1;
651 uint32_t reserved2;
652 uint32_t reserved3;
653 uint32_t reserved4;
654 uint32_t reserved5;
655 uint32_t reserved6;
656 };
657
658 struct routines_command_64 {
659 uint32_t cmd;
660 uint32_t cmdsize;
661 uint64_t init_address;
662 uint64_t init_module;
663 uint64_t reserved1;
664 uint64_t reserved2;
665 uint64_t reserved3;
666 uint64_t reserved4;
667 uint64_t reserved5;
668 uint64_t reserved6;
669 };
670
671 struct symtab_command {
672 uint32_t cmd;
673 uint32_t cmdsize;
674 uint32_t symoff;
675 uint32_t nsyms;
676 uint32_t stroff;
677 uint32_t strsize;
678 };
679
680 struct dysymtab_command {
681 uint32_t cmd;
682 uint32_t cmdsize;
683 uint32_t ilocalsym;
684 uint32_t nlocalsym;
685 uint32_t iextdefsym;
686 uint32_t nextdefsym;
687 uint32_t iundefsym;
688 uint32_t nundefsym;
689 uint32_t tocoff;
690 uint32_t ntoc;
691 uint32_t modtaboff;
692 uint32_t nmodtab;
693 uint32_t extrefsymoff;
694 uint32_t nextrefsyms;
695 uint32_t indirectsymoff;
696 uint32_t nindirectsyms;
697 uint32_t extreloff;
698 uint32_t nextrel;
699 uint32_t locreloff;
700 uint32_t nlocrel;
701 };
702
703 struct dylib_table_of_contents {
704 uint32_t symbol_index;
705 uint32_t module_index;
706 };
707
708 struct dylib_module {
709 uint32_t module_name;
710 uint32_t iextdefsym;
711 uint32_t nextdefsym;
712 uint32_t irefsym;
713 uint32_t nrefsym;
714 uint32_t ilocalsym;
715 uint32_t nlocalsym;
716 uint32_t iextrel;
717 uint32_t nextrel;
718 uint32_t iinit_iterm;
719 uint32_t ninit_nterm;
720 uint32_t objc_module_info_addr;
721 uint32_t objc_module_info_size;
722 };
723
724 struct dylib_module_64 {
725 uint32_t module_name;
726 uint32_t iextdefsym;
727 uint32_t nextdefsym;
728 uint32_t irefsym;
729 uint32_t nrefsym;
730 uint32_t ilocalsym;
731 uint32_t nlocalsym;
732 uint32_t iextrel;
733 uint32_t nextrel;
734 uint32_t iinit_iterm;
735 uint32_t ninit_nterm;
736 uint32_t objc_module_info_size;
737 uint64_t objc_module_info_addr;
738 };
739
740 struct dylib_reference {
741 uint32_t isym:24,
742 flags:8;
743 };
744
Nicolas Capensb7d59242017-01-03 14:02:05 -0500745 // The twolevel_hints_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -0400746 struct twolevel_hints_command {
747 uint32_t cmd;
748 uint32_t cmdsize;
749 uint32_t offset;
750 uint32_t nhints;
751 };
752
Nicolas Capensb7d59242017-01-03 14:02:05 -0500753 // The twolevel_hints_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -0400754 struct twolevel_hint {
755 uint32_t isub_image:8,
756 itoc:24;
757 };
758
Nicolas Capensb7d59242017-01-03 14:02:05 -0500759 // The prebind_cksum_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -0400760 struct prebind_cksum_command {
761 uint32_t cmd;
762 uint32_t cmdsize;
763 uint32_t cksum;
764 };
765
766 struct uuid_command {
767 uint32_t cmd;
768 uint32_t cmdsize;
769 uint8_t uuid[16];
770 };
771
772 struct rpath_command {
773 uint32_t cmd;
774 uint32_t cmdsize;
775 uint32_t path;
776 };
777
778 struct linkedit_data_command {
779 uint32_t cmd;
780 uint32_t cmdsize;
781 uint32_t dataoff;
782 uint32_t datasize;
783 };
784
785 struct data_in_code_entry {
786 uint32_t offset;
787 uint16_t length;
788 uint16_t kind;
789 };
790
791 struct source_version_command {
792 uint32_t cmd;
793 uint32_t cmdsize;
794 uint64_t version;
795 };
796
797 struct encryption_info_command {
798 uint32_t cmd;
799 uint32_t cmdsize;
800 uint32_t cryptoff;
801 uint32_t cryptsize;
802 uint32_t cryptid;
803 };
804
805 struct encryption_info_command_64 {
806 uint32_t cmd;
807 uint32_t cmdsize;
808 uint32_t cryptoff;
809 uint32_t cryptsize;
810 uint32_t cryptid;
811 uint32_t pad;
812 };
813
814 struct version_min_command {
815 uint32_t cmd; // LC_VERSION_MIN_MACOSX or
816 // LC_VERSION_MIN_IPHONEOS
817 uint32_t cmdsize; // sizeof(struct version_min_command)
818 uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz
819 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz
820 };
821
822 struct dyld_info_command {
823 uint32_t cmd;
824 uint32_t cmdsize;
825 uint32_t rebase_off;
826 uint32_t rebase_size;
827 uint32_t bind_off;
828 uint32_t bind_size;
829 uint32_t weak_bind_off;
830 uint32_t weak_bind_size;
831 uint32_t lazy_bind_off;
832 uint32_t lazy_bind_size;
833 uint32_t export_off;
834 uint32_t export_size;
835 };
836
837 struct linker_option_command {
838 uint32_t cmd;
839 uint32_t cmdsize;
840 uint32_t count;
841 };
842
Nicolas Capensb7d59242017-01-03 14:02:05 -0500843 // The symseg_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -0400844 struct symseg_command {
845 uint32_t cmd;
846 uint32_t cmdsize;
847 uint32_t offset;
848 uint32_t size;
849 };
850
Nicolas Capensb7d59242017-01-03 14:02:05 -0500851 // The ident_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -0400852 struct ident_command {
853 uint32_t cmd;
854 uint32_t cmdsize;
855 };
856
Nicolas Capensb7d59242017-01-03 14:02:05 -0500857 // The fvmfile_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -0400858 struct fvmfile_command {
859 uint32_t cmd;
860 uint32_t cmdsize;
861 uint32_t name;
862 uint32_t header_addr;
863 };
864
865 struct tlv_descriptor_32 {
866 uint32_t thunk;
867 uint32_t key;
868 uint32_t offset;
869 };
870
871 struct tlv_descriptor_64 {
872 uint64_t thunk;
873 uint64_t key;
874 uint64_t offset;
875 };
876
877 struct tlv_descriptor {
878 uintptr_t thunk;
879 uintptr_t key;
880 uintptr_t offset;
881 };
882
883 struct entry_point_command {
884 uint32_t cmd;
885 uint32_t cmdsize;
886 uint64_t entryoff;
887 uint64_t stacksize;
888 };
889
890 // Structs from <mach-o/fat.h>
891 struct fat_header {
892 uint32_t magic;
893 uint32_t nfat_arch;
894 };
895
896 struct fat_arch {
897 uint32_t cputype;
898 uint32_t cpusubtype;
899 uint32_t offset;
900 uint32_t size;
901 uint32_t align;
902 };
903
904 struct fat_arch_64 {
905 uint32_t cputype;
906 uint32_t cpusubtype;
907 uint64_t offset;
908 uint64_t size;
909 uint32_t align;
910 uint32_t reserved;
911 };
912
913 // Structs from <mach-o/reloc.h>
914 struct relocation_info {
915 int32_t r_address;
916 uint32_t r_symbolnum:24,
917 r_pcrel:1,
918 r_length:2,
919 r_extern:1,
920 r_type:4;
921 };
922
923 struct scattered_relocation_info {
924#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && (BYTE_ORDER == BIG_ENDIAN)
925 uint32_t r_scattered:1,
926 r_pcrel:1,
927 r_length:2,
928 r_type:4,
929 r_address:24;
930#else
931 uint32_t r_address:24,
932 r_type:4,
933 r_length:2,
934 r_pcrel:1,
935 r_scattered:1;
936#endif
937 int32_t r_value;
938 };
939
940 // Structs NOT from <mach-o/reloc.h>, but that make LLVM's life easier
941 struct any_relocation_info {
942 uint32_t r_word0, r_word1;
943 };
944
945 // Structs from <mach-o/nlist.h>
946 struct nlist_base {
947 uint32_t n_strx;
948 uint8_t n_type;
949 uint8_t n_sect;
950 uint16_t n_desc;
951 };
952
953 struct nlist {
954 uint32_t n_strx;
955 uint8_t n_type;
956 uint8_t n_sect;
957 int16_t n_desc;
958 uint32_t n_value;
959 };
960
961 struct nlist_64 {
962 uint32_t n_strx;
963 uint8_t n_type;
964 uint8_t n_sect;
965 uint16_t n_desc;
966 uint64_t n_value;
967 };
968
969 // Byte order swapping functions for MachO structs
970
971 inline void swapStruct(fat_header &mh) {
972 sys::swapByteOrder(mh.magic);
973 sys::swapByteOrder(mh.nfat_arch);
974 }
975
976 inline void swapStruct(fat_arch &mh) {
977 sys::swapByteOrder(mh.cputype);
978 sys::swapByteOrder(mh.cpusubtype);
979 sys::swapByteOrder(mh.offset);
980 sys::swapByteOrder(mh.size);
981 sys::swapByteOrder(mh.align);
982 }
983
984 inline void swapStruct(fat_arch_64 &mh) {
985 sys::swapByteOrder(mh.cputype);
986 sys::swapByteOrder(mh.cpusubtype);
987 sys::swapByteOrder(mh.offset);
988 sys::swapByteOrder(mh.size);
989 sys::swapByteOrder(mh.align);
990 sys::swapByteOrder(mh.reserved);
991 }
992
993 inline void swapStruct(mach_header &mh) {
994 sys::swapByteOrder(mh.magic);
995 sys::swapByteOrder(mh.cputype);
996 sys::swapByteOrder(mh.cpusubtype);
997 sys::swapByteOrder(mh.filetype);
998 sys::swapByteOrder(mh.ncmds);
999 sys::swapByteOrder(mh.sizeofcmds);
1000 sys::swapByteOrder(mh.flags);
1001 }
1002
1003 inline void swapStruct(mach_header_64 &H) {
1004 sys::swapByteOrder(H.magic);
1005 sys::swapByteOrder(H.cputype);
1006 sys::swapByteOrder(H.cpusubtype);
1007 sys::swapByteOrder(H.filetype);
1008 sys::swapByteOrder(H.ncmds);
1009 sys::swapByteOrder(H.sizeofcmds);
1010 sys::swapByteOrder(H.flags);
1011 sys::swapByteOrder(H.reserved);
1012 }
1013
1014 inline void swapStruct(load_command &lc) {
1015 sys::swapByteOrder(lc.cmd);
1016 sys::swapByteOrder(lc.cmdsize);
1017 }
1018
1019 inline void swapStruct(symtab_command &lc) {
1020 sys::swapByteOrder(lc.cmd);
1021 sys::swapByteOrder(lc.cmdsize);
1022 sys::swapByteOrder(lc.symoff);
1023 sys::swapByteOrder(lc.nsyms);
1024 sys::swapByteOrder(lc.stroff);
1025 sys::swapByteOrder(lc.strsize);
1026 }
1027
1028 inline void swapStruct(segment_command_64 &seg) {
1029 sys::swapByteOrder(seg.cmd);
1030 sys::swapByteOrder(seg.cmdsize);
1031 sys::swapByteOrder(seg.vmaddr);
1032 sys::swapByteOrder(seg.vmsize);
1033 sys::swapByteOrder(seg.fileoff);
1034 sys::swapByteOrder(seg.filesize);
1035 sys::swapByteOrder(seg.maxprot);
1036 sys::swapByteOrder(seg.initprot);
1037 sys::swapByteOrder(seg.nsects);
1038 sys::swapByteOrder(seg.flags);
1039 }
1040
1041 inline void swapStruct(segment_command &seg) {
1042 sys::swapByteOrder(seg.cmd);
1043 sys::swapByteOrder(seg.cmdsize);
1044 sys::swapByteOrder(seg.vmaddr);
1045 sys::swapByteOrder(seg.vmsize);
1046 sys::swapByteOrder(seg.fileoff);
1047 sys::swapByteOrder(seg.filesize);
1048 sys::swapByteOrder(seg.maxprot);
1049 sys::swapByteOrder(seg.initprot);
1050 sys::swapByteOrder(seg.nsects);
1051 sys::swapByteOrder(seg.flags);
1052 }
1053
1054 inline void swapStruct(section_64 &sect) {
1055 sys::swapByteOrder(sect.addr);
1056 sys::swapByteOrder(sect.size);
1057 sys::swapByteOrder(sect.offset);
1058 sys::swapByteOrder(sect.align);
1059 sys::swapByteOrder(sect.reloff);
1060 sys::swapByteOrder(sect.nreloc);
1061 sys::swapByteOrder(sect.flags);
1062 sys::swapByteOrder(sect.reserved1);
1063 sys::swapByteOrder(sect.reserved2);
1064 }
1065
1066 inline void swapStruct(section &sect) {
1067 sys::swapByteOrder(sect.addr);
1068 sys::swapByteOrder(sect.size);
1069 sys::swapByteOrder(sect.offset);
1070 sys::swapByteOrder(sect.align);
1071 sys::swapByteOrder(sect.reloff);
1072 sys::swapByteOrder(sect.nreloc);
1073 sys::swapByteOrder(sect.flags);
1074 sys::swapByteOrder(sect.reserved1);
1075 sys::swapByteOrder(sect.reserved2);
1076 }
1077
1078 inline void swapStruct(dyld_info_command &info) {
1079 sys::swapByteOrder(info.cmd);
1080 sys::swapByteOrder(info.cmdsize);
1081 sys::swapByteOrder(info.rebase_off);
1082 sys::swapByteOrder(info.rebase_size);
1083 sys::swapByteOrder(info.bind_off);
1084 sys::swapByteOrder(info.bind_size);
1085 sys::swapByteOrder(info.weak_bind_off);
1086 sys::swapByteOrder(info.weak_bind_size);
1087 sys::swapByteOrder(info.lazy_bind_off);
1088 sys::swapByteOrder(info.lazy_bind_size);
1089 sys::swapByteOrder(info.export_off);
1090 sys::swapByteOrder(info.export_size);
1091 }
1092
1093 inline void swapStruct(dylib_command &d) {
1094 sys::swapByteOrder(d.cmd);
1095 sys::swapByteOrder(d.cmdsize);
1096 sys::swapByteOrder(d.dylib.name);
1097 sys::swapByteOrder(d.dylib.timestamp);
1098 sys::swapByteOrder(d.dylib.current_version);
1099 sys::swapByteOrder(d.dylib.compatibility_version);
1100 }
1101
1102 inline void swapStruct(sub_framework_command &s) {
1103 sys::swapByteOrder(s.cmd);
1104 sys::swapByteOrder(s.cmdsize);
1105 sys::swapByteOrder(s.umbrella);
1106 }
1107
1108 inline void swapStruct(sub_umbrella_command &s) {
1109 sys::swapByteOrder(s.cmd);
1110 sys::swapByteOrder(s.cmdsize);
1111 sys::swapByteOrder(s.sub_umbrella);
1112 }
1113
1114 inline void swapStruct(sub_library_command &s) {
1115 sys::swapByteOrder(s.cmd);
1116 sys::swapByteOrder(s.cmdsize);
1117 sys::swapByteOrder(s.sub_library);
1118 }
1119
1120 inline void swapStruct(sub_client_command &s) {
1121 sys::swapByteOrder(s.cmd);
1122 sys::swapByteOrder(s.cmdsize);
1123 sys::swapByteOrder(s.client);
1124 }
1125
1126 inline void swapStruct(routines_command &r) {
1127 sys::swapByteOrder(r.cmd);
1128 sys::swapByteOrder(r.cmdsize);
1129 sys::swapByteOrder(r.init_address);
1130 sys::swapByteOrder(r.init_module);
1131 sys::swapByteOrder(r.reserved1);
1132 sys::swapByteOrder(r.reserved2);
1133 sys::swapByteOrder(r.reserved3);
1134 sys::swapByteOrder(r.reserved4);
1135 sys::swapByteOrder(r.reserved5);
1136 sys::swapByteOrder(r.reserved6);
1137 }
1138
1139 inline void swapStruct(routines_command_64 &r) {
1140 sys::swapByteOrder(r.cmd);
1141 sys::swapByteOrder(r.cmdsize);
1142 sys::swapByteOrder(r.init_address);
1143 sys::swapByteOrder(r.init_module);
1144 sys::swapByteOrder(r.reserved1);
1145 sys::swapByteOrder(r.reserved2);
1146 sys::swapByteOrder(r.reserved3);
1147 sys::swapByteOrder(r.reserved4);
1148 sys::swapByteOrder(r.reserved5);
1149 sys::swapByteOrder(r.reserved6);
1150 }
1151
1152 inline void swapStruct(thread_command &t) {
1153 sys::swapByteOrder(t.cmd);
1154 sys::swapByteOrder(t.cmdsize);
1155 }
1156
1157 inline void swapStruct(dylinker_command &d) {
1158 sys::swapByteOrder(d.cmd);
1159 sys::swapByteOrder(d.cmdsize);
1160 sys::swapByteOrder(d.name);
1161 }
1162
1163 inline void swapStruct(uuid_command &u) {
1164 sys::swapByteOrder(u.cmd);
1165 sys::swapByteOrder(u.cmdsize);
1166 }
1167
1168 inline void swapStruct(rpath_command &r) {
1169 sys::swapByteOrder(r.cmd);
1170 sys::swapByteOrder(r.cmdsize);
1171 sys::swapByteOrder(r.path);
1172 }
1173
1174 inline void swapStruct(source_version_command &s) {
1175 sys::swapByteOrder(s.cmd);
1176 sys::swapByteOrder(s.cmdsize);
1177 sys::swapByteOrder(s.version);
1178 }
1179
1180 inline void swapStruct(entry_point_command &e) {
1181 sys::swapByteOrder(e.cmd);
1182 sys::swapByteOrder(e.cmdsize);
1183 sys::swapByteOrder(e.entryoff);
1184 sys::swapByteOrder(e.stacksize);
1185 }
1186
1187 inline void swapStruct(encryption_info_command &e) {
1188 sys::swapByteOrder(e.cmd);
1189 sys::swapByteOrder(e.cmdsize);
1190 sys::swapByteOrder(e.cryptoff);
1191 sys::swapByteOrder(e.cryptsize);
1192 sys::swapByteOrder(e.cryptid);
1193 }
1194
1195 inline void swapStruct(encryption_info_command_64 &e) {
1196 sys::swapByteOrder(e.cmd);
1197 sys::swapByteOrder(e.cmdsize);
1198 sys::swapByteOrder(e.cryptoff);
1199 sys::swapByteOrder(e.cryptsize);
1200 sys::swapByteOrder(e.cryptid);
1201 sys::swapByteOrder(e.pad);
1202 }
1203
1204 inline void swapStruct(dysymtab_command &dst) {
1205 sys::swapByteOrder(dst.cmd);
1206 sys::swapByteOrder(dst.cmdsize);
1207 sys::swapByteOrder(dst.ilocalsym);
1208 sys::swapByteOrder(dst.nlocalsym);
1209 sys::swapByteOrder(dst.iextdefsym);
1210 sys::swapByteOrder(dst.nextdefsym);
1211 sys::swapByteOrder(dst.iundefsym);
1212 sys::swapByteOrder(dst.nundefsym);
1213 sys::swapByteOrder(dst.tocoff);
1214 sys::swapByteOrder(dst.ntoc);
1215 sys::swapByteOrder(dst.modtaboff);
1216 sys::swapByteOrder(dst.nmodtab);
1217 sys::swapByteOrder(dst.extrefsymoff);
1218 sys::swapByteOrder(dst.nextrefsyms);
1219 sys::swapByteOrder(dst.indirectsymoff);
1220 sys::swapByteOrder(dst.nindirectsyms);
1221 sys::swapByteOrder(dst.extreloff);
1222 sys::swapByteOrder(dst.nextrel);
1223 sys::swapByteOrder(dst.locreloff);
1224 sys::swapByteOrder(dst.nlocrel);
1225 }
1226
1227 inline void swapStruct(any_relocation_info &reloc) {
1228 sys::swapByteOrder(reloc.r_word0);
1229 sys::swapByteOrder(reloc.r_word1);
1230 }
1231
1232 inline void swapStruct(nlist_base &S) {
1233 sys::swapByteOrder(S.n_strx);
1234 sys::swapByteOrder(S.n_desc);
1235 }
1236
1237 inline void swapStruct(nlist &sym) {
1238 sys::swapByteOrder(sym.n_strx);
1239 sys::swapByteOrder(sym.n_desc);
1240 sys::swapByteOrder(sym.n_value);
1241 }
1242
1243 inline void swapStruct(nlist_64 &sym) {
1244 sys::swapByteOrder(sym.n_strx);
1245 sys::swapByteOrder(sym.n_desc);
1246 sys::swapByteOrder(sym.n_value);
1247 }
1248
1249 inline void swapStruct(linkedit_data_command &C) {
1250 sys::swapByteOrder(C.cmd);
1251 sys::swapByteOrder(C.cmdsize);
1252 sys::swapByteOrder(C.dataoff);
1253 sys::swapByteOrder(C.datasize);
1254 }
1255
1256 inline void swapStruct(linker_option_command &C) {
1257 sys::swapByteOrder(C.cmd);
1258 sys::swapByteOrder(C.cmdsize);
1259 sys::swapByteOrder(C.count);
1260 }
1261
1262 inline void swapStruct(version_min_command&C) {
1263 sys::swapByteOrder(C.cmd);
1264 sys::swapByteOrder(C.cmdsize);
1265 sys::swapByteOrder(C.version);
1266 sys::swapByteOrder(C.sdk);
1267 }
1268
1269 inline void swapStruct(data_in_code_entry &C) {
1270 sys::swapByteOrder(C.offset);
1271 sys::swapByteOrder(C.length);
1272 sys::swapByteOrder(C.kind);
1273 }
1274
1275 inline void swapStruct(uint32_t &C) {
1276 sys::swapByteOrder(C);
1277 }
1278
Nicolas Capensb7d59242017-01-03 14:02:05 -05001279 // The prebind_cksum_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -04001280 inline void swapStruct(prebind_cksum_command &C) {
1281 sys::swapByteOrder(C.cmd);
1282 sys::swapByteOrder(C.cmdsize);
1283 sys::swapByteOrder(C.cksum);
1284 }
1285
Nicolas Capensb7d59242017-01-03 14:02:05 -05001286 // The twolevel_hints_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -04001287 inline void swapStruct(twolevel_hints_command &C) {
1288 sys::swapByteOrder(C.cmd);
1289 sys::swapByteOrder(C.cmdsize);
1290 sys::swapByteOrder(C.offset);
1291 sys::swapByteOrder(C.nhints);
1292 }
1293
Nicolas Capensb7d59242017-01-03 14:02:05 -05001294 // The prebound_dylib_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -04001295 inline void swapStruct(prebound_dylib_command &C) {
1296 sys::swapByteOrder(C.cmd);
1297 sys::swapByteOrder(C.cmdsize);
1298 sys::swapByteOrder(C.name);
1299 sys::swapByteOrder(C.nmodules);
1300 sys::swapByteOrder(C.linked_modules);
1301 }
1302
Nicolas Capensb7d59242017-01-03 14:02:05 -05001303 // The fvmfile_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -04001304 inline void swapStruct(fvmfile_command &C) {
1305 sys::swapByteOrder(C.cmd);
1306 sys::swapByteOrder(C.cmdsize);
1307 sys::swapByteOrder(C.name);
1308 sys::swapByteOrder(C.header_addr);
1309 }
1310
Nicolas Capensb7d59242017-01-03 14:02:05 -05001311 // The symseg_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -04001312 inline void swapStruct(symseg_command &C) {
1313 sys::swapByteOrder(C.cmd);
1314 sys::swapByteOrder(C.cmdsize);
1315 sys::swapByteOrder(C.offset);
1316 sys::swapByteOrder(C.size);
1317 }
1318
Nicolas Capensb7d59242017-01-03 14:02:05 -05001319 // The ident_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -04001320 inline void swapStruct(ident_command &C) {
1321 sys::swapByteOrder(C.cmd);
1322 sys::swapByteOrder(C.cmdsize);
1323 }
1324
1325 inline void swapStruct(fvmlib &C) {
1326 sys::swapByteOrder(C.name);
1327 sys::swapByteOrder(C.minor_version);
1328 sys::swapByteOrder(C.header_addr);
1329 }
1330
Nicolas Capensb7d59242017-01-03 14:02:05 -05001331 // The fvmlib_command is obsolete and no longer supported.
Nicolas Capens0cf20062016-09-26 15:02:51 -04001332 inline void swapStruct(fvmlib_command &C) {
1333 sys::swapByteOrder(C.cmd);
1334 sys::swapByteOrder(C.cmdsize);
1335 swapStruct(C.fvmlib);
1336 }
1337
1338 // Get/Set functions from <mach-o/nlist.h>
1339
1340 static inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc) {
1341 return (((n_desc) >> 8u) & 0xffu);
1342 }
1343
1344 static inline void SET_LIBRARY_ORDINAL(uint16_t &n_desc, uint8_t ordinal) {
1345 n_desc = (((n_desc) & 0x00ff) | (((ordinal) & 0xff) << 8));
1346 }
1347
1348 static inline uint8_t GET_COMM_ALIGN (uint16_t n_desc) {
1349 return (n_desc >> 8u) & 0x0fu;
1350 }
1351
1352 static inline void SET_COMM_ALIGN (uint16_t &n_desc, uint8_t align) {
1353 n_desc = ((n_desc & 0xf0ffu) | ((align & 0x0fu) << 8u));
1354 }
1355
1356 // Enums from <mach/machine.h>
1357 enum : uint32_t {
1358 // Capability bits used in the definition of cpu_type.
1359 CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits
1360 CPU_ARCH_ABI64 = 0x01000000 // 64 bit ABI
1361 };
1362
1363 // Constants for the cputype field.
1364 enum CPUType {
1365 CPU_TYPE_ANY = -1,
1366 CPU_TYPE_X86 = 7,
1367 CPU_TYPE_I386 = CPU_TYPE_X86,
1368 CPU_TYPE_X86_64 = CPU_TYPE_X86 | CPU_ARCH_ABI64,
1369 /* CPU_TYPE_MIPS = 8, */
1370 CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC
1371 CPU_TYPE_ARM = 12,
1372 CPU_TYPE_ARM64 = CPU_TYPE_ARM | CPU_ARCH_ABI64,
1373 CPU_TYPE_SPARC = 14,
1374 CPU_TYPE_POWERPC = 18,
1375 CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64
1376 };
1377
1378 enum : uint32_t {
1379 // Capability bits used in the definition of cpusubtype.
1380 CPU_SUBTYPE_MASK = 0xff000000, // Mask for architecture bits
1381 CPU_SUBTYPE_LIB64 = 0x80000000, // 64 bit libraries
1382
1383 // Special CPU subtype constants.
1384 CPU_SUBTYPE_MULTIPLE = ~0u
1385 };
1386
1387 // Constants for the cpusubtype field.
1388 enum CPUSubTypeX86 {
1389 CPU_SUBTYPE_I386_ALL = 3,
1390 CPU_SUBTYPE_386 = 3,
1391 CPU_SUBTYPE_486 = 4,
1392 CPU_SUBTYPE_486SX = 0x84,
1393 CPU_SUBTYPE_586 = 5,
1394 CPU_SUBTYPE_PENT = CPU_SUBTYPE_586,
1395 CPU_SUBTYPE_PENTPRO = 0x16,
1396 CPU_SUBTYPE_PENTII_M3 = 0x36,
1397 CPU_SUBTYPE_PENTII_M5 = 0x56,
1398 CPU_SUBTYPE_CELERON = 0x67,
1399 CPU_SUBTYPE_CELERON_MOBILE = 0x77,
1400 CPU_SUBTYPE_PENTIUM_3 = 0x08,
1401 CPU_SUBTYPE_PENTIUM_3_M = 0x18,
1402 CPU_SUBTYPE_PENTIUM_3_XEON = 0x28,
1403 CPU_SUBTYPE_PENTIUM_M = 0x09,
1404 CPU_SUBTYPE_PENTIUM_4 = 0x0a,
1405 CPU_SUBTYPE_PENTIUM_4_M = 0x1a,
1406 CPU_SUBTYPE_ITANIUM = 0x0b,
1407 CPU_SUBTYPE_ITANIUM_2 = 0x1b,
1408 CPU_SUBTYPE_XEON = 0x0c,
1409 CPU_SUBTYPE_XEON_MP = 0x1c,
1410
1411 CPU_SUBTYPE_X86_ALL = 3,
1412 CPU_SUBTYPE_X86_64_ALL = 3,
1413 CPU_SUBTYPE_X86_ARCH1 = 4,
1414 CPU_SUBTYPE_X86_64_H = 8
1415 };
1416 static inline int CPU_SUBTYPE_INTEL(int Family, int Model) {
1417 return Family | (Model << 4);
1418 }
1419 static inline int CPU_SUBTYPE_INTEL_FAMILY(CPUSubTypeX86 ST) {
1420 return ((int)ST) & 0x0f;
1421 }
1422 static inline int CPU_SUBTYPE_INTEL_MODEL(CPUSubTypeX86 ST) {
1423 return ((int)ST) >> 4;
1424 }
1425 enum {
1426 CPU_SUBTYPE_INTEL_FAMILY_MAX = 15,
1427 CPU_SUBTYPE_INTEL_MODEL_ALL = 0
1428 };
1429
1430 enum CPUSubTypeARM {
1431 CPU_SUBTYPE_ARM_ALL = 0,
1432 CPU_SUBTYPE_ARM_V4T = 5,
1433 CPU_SUBTYPE_ARM_V6 = 6,
1434 CPU_SUBTYPE_ARM_V5 = 7,
1435 CPU_SUBTYPE_ARM_V5TEJ = 7,
1436 CPU_SUBTYPE_ARM_XSCALE = 8,
1437 CPU_SUBTYPE_ARM_V7 = 9,
1438 // unused ARM_V7F = 10,
1439 CPU_SUBTYPE_ARM_V7S = 11,
1440 CPU_SUBTYPE_ARM_V7K = 12,
1441 CPU_SUBTYPE_ARM_V6M = 14,
1442 CPU_SUBTYPE_ARM_V7M = 15,
1443 CPU_SUBTYPE_ARM_V7EM = 16
1444 };
1445
1446 enum CPUSubTypeARM64 {
1447 CPU_SUBTYPE_ARM64_ALL = 0
1448 };
1449
1450 enum CPUSubTypeSPARC {
1451 CPU_SUBTYPE_SPARC_ALL = 0
1452 };
1453
1454 enum CPUSubTypePowerPC {
1455 CPU_SUBTYPE_POWERPC_ALL = 0,
1456 CPU_SUBTYPE_POWERPC_601 = 1,
1457 CPU_SUBTYPE_POWERPC_602 = 2,
1458 CPU_SUBTYPE_POWERPC_603 = 3,
1459 CPU_SUBTYPE_POWERPC_603e = 4,
1460 CPU_SUBTYPE_POWERPC_603ev = 5,
1461 CPU_SUBTYPE_POWERPC_604 = 6,
1462 CPU_SUBTYPE_POWERPC_604e = 7,
1463 CPU_SUBTYPE_POWERPC_620 = 8,
1464 CPU_SUBTYPE_POWERPC_750 = 9,
1465 CPU_SUBTYPE_POWERPC_7400 = 10,
1466 CPU_SUBTYPE_POWERPC_7450 = 11,
1467 CPU_SUBTYPE_POWERPC_970 = 100,
1468
1469 CPU_SUBTYPE_MC980000_ALL = CPU_SUBTYPE_POWERPC_ALL,
1470 CPU_SUBTYPE_MC98601 = CPU_SUBTYPE_POWERPC_601
1471 };
1472
1473 struct x86_thread_state64_t {
1474 uint64_t rax;
1475 uint64_t rbx;
1476 uint64_t rcx;
1477 uint64_t rdx;
1478 uint64_t rdi;
1479 uint64_t rsi;
1480 uint64_t rbp;
1481 uint64_t rsp;
1482 uint64_t r8;
1483 uint64_t r9;
1484 uint64_t r10;
1485 uint64_t r11;
1486 uint64_t r12;
1487 uint64_t r13;
1488 uint64_t r14;
1489 uint64_t r15;
1490 uint64_t rip;
1491 uint64_t rflags;
1492 uint64_t cs;
1493 uint64_t fs;
1494 uint64_t gs;
1495 };
1496
1497 enum x86_fp_control_precis {
1498 x86_FP_PREC_24B = 0,
1499 x86_FP_PREC_53B = 2,
1500 x86_FP_PREC_64B = 3
1501 };
1502
1503 enum x86_fp_control_rc {
1504 x86_FP_RND_NEAR = 0,
1505 x86_FP_RND_DOWN = 1,
1506 x86_FP_RND_UP = 2,
1507 x86_FP_CHOP = 3
1508 };
1509
1510 struct fp_control_t {
1511 unsigned short
1512 invalid :1,
1513 denorm :1,
1514 zdiv :1,
1515 ovrfl :1,
1516 undfl :1,
1517 precis :1,
1518 :2,
1519 pc :2,
1520 rc :2,
1521 :1,
1522 :3;
1523 };
1524
1525 struct fp_status_t {
1526 unsigned short
1527 invalid :1,
1528 denorm :1,
1529 zdiv :1,
1530 ovrfl :1,
1531 undfl :1,
1532 precis :1,
1533 stkflt :1,
1534 errsumm :1,
1535 c0 :1,
1536 c1 :1,
1537 c2 :1,
1538 tos :3,
1539 c3 :1,
1540 busy :1;
1541 };
1542
1543 struct mmst_reg_t {
1544 char mmst_reg[10];
1545 char mmst_rsrv[6];
1546 };
1547
1548 struct xmm_reg_t {
1549 char xmm_reg[16];
1550 };
1551
1552 struct x86_float_state64_t {
1553 int32_t fpu_reserved[2];
1554 fp_control_t fpu_fcw;
1555 fp_status_t fpu_fsw;
1556 uint8_t fpu_ftw;
1557 uint8_t fpu_rsrv1;
1558 uint16_t fpu_fop;
1559 uint32_t fpu_ip;
1560 uint16_t fpu_cs;
1561 uint16_t fpu_rsrv2;
1562 uint32_t fpu_dp;
1563 uint16_t fpu_ds;
1564 uint16_t fpu_rsrv3;
1565 uint32_t fpu_mxcsr;
1566 uint32_t fpu_mxcsrmask;
1567 mmst_reg_t fpu_stmm0;
1568 mmst_reg_t fpu_stmm1;
1569 mmst_reg_t fpu_stmm2;
1570 mmst_reg_t fpu_stmm3;
1571 mmst_reg_t fpu_stmm4;
1572 mmst_reg_t fpu_stmm5;
1573 mmst_reg_t fpu_stmm6;
1574 mmst_reg_t fpu_stmm7;
1575 xmm_reg_t fpu_xmm0;
1576 xmm_reg_t fpu_xmm1;
1577 xmm_reg_t fpu_xmm2;
1578 xmm_reg_t fpu_xmm3;
1579 xmm_reg_t fpu_xmm4;
1580 xmm_reg_t fpu_xmm5;
1581 xmm_reg_t fpu_xmm6;
1582 xmm_reg_t fpu_xmm7;
1583 xmm_reg_t fpu_xmm8;
1584 xmm_reg_t fpu_xmm9;
1585 xmm_reg_t fpu_xmm10;
1586 xmm_reg_t fpu_xmm11;
1587 xmm_reg_t fpu_xmm12;
1588 xmm_reg_t fpu_xmm13;
1589 xmm_reg_t fpu_xmm14;
1590 xmm_reg_t fpu_xmm15;
1591 char fpu_rsrv4[6*16];
1592 uint32_t fpu_reserved1;
1593 };
1594
1595 struct x86_exception_state64_t {
1596 uint16_t trapno;
1597 uint16_t cpu;
1598 uint32_t err;
1599 uint64_t faultvaddr;
1600 };
1601
1602 inline void swapStruct(x86_thread_state64_t &x) {
1603 sys::swapByteOrder(x.rax);
1604 sys::swapByteOrder(x.rbx);
1605 sys::swapByteOrder(x.rcx);
1606 sys::swapByteOrder(x.rdx);
1607 sys::swapByteOrder(x.rdi);
1608 sys::swapByteOrder(x.rsi);
1609 sys::swapByteOrder(x.rbp);
1610 sys::swapByteOrder(x.rsp);
1611 sys::swapByteOrder(x.r8);
1612 sys::swapByteOrder(x.r9);
1613 sys::swapByteOrder(x.r10);
1614 sys::swapByteOrder(x.r11);
1615 sys::swapByteOrder(x.r12);
1616 sys::swapByteOrder(x.r13);
1617 sys::swapByteOrder(x.r14);
1618 sys::swapByteOrder(x.r15);
1619 sys::swapByteOrder(x.rip);
1620 sys::swapByteOrder(x.rflags);
1621 sys::swapByteOrder(x.cs);
1622 sys::swapByteOrder(x.fs);
1623 sys::swapByteOrder(x.gs);
1624 }
1625
1626 inline void swapStruct(x86_float_state64_t &x) {
1627 sys::swapByteOrder(x.fpu_reserved[0]);
1628 sys::swapByteOrder(x.fpu_reserved[1]);
1629 // TODO swap: fp_control_t fpu_fcw;
1630 // TODO swap: fp_status_t fpu_fsw;
1631 sys::swapByteOrder(x.fpu_fop);
1632 sys::swapByteOrder(x.fpu_ip);
1633 sys::swapByteOrder(x.fpu_cs);
1634 sys::swapByteOrder(x.fpu_rsrv2);
1635 sys::swapByteOrder(x.fpu_dp);
1636 sys::swapByteOrder(x.fpu_ds);
1637 sys::swapByteOrder(x.fpu_rsrv3);
1638 sys::swapByteOrder(x.fpu_mxcsr);
1639 sys::swapByteOrder(x.fpu_mxcsrmask);
1640 sys::swapByteOrder(x.fpu_reserved1);
1641 }
1642
1643 inline void swapStruct(x86_exception_state64_t &x) {
1644 sys::swapByteOrder(x.trapno);
1645 sys::swapByteOrder(x.cpu);
1646 sys::swapByteOrder(x.err);
1647 sys::swapByteOrder(x.faultvaddr);
1648 }
1649
1650 struct x86_state_hdr_t {
1651 uint32_t flavor;
1652 uint32_t count;
1653 };
1654
1655 struct x86_thread_state_t {
1656 x86_state_hdr_t tsh;
1657 union {
1658 x86_thread_state64_t ts64;
1659 } uts;
1660 };
1661
1662 struct x86_float_state_t {
1663 x86_state_hdr_t fsh;
1664 union {
1665 x86_float_state64_t fs64;
1666 } ufs;
1667 };
1668
1669 struct x86_exception_state_t {
1670 x86_state_hdr_t esh;
1671 union {
1672 x86_exception_state64_t es64;
1673 } ues;
1674 };
1675
1676 inline void swapStruct(x86_state_hdr_t &x) {
1677 sys::swapByteOrder(x.flavor);
1678 sys::swapByteOrder(x.count);
1679 }
1680
1681 enum X86ThreadFlavors {
1682 x86_THREAD_STATE32 = 1,
1683 x86_FLOAT_STATE32 = 2,
1684 x86_EXCEPTION_STATE32 = 3,
1685 x86_THREAD_STATE64 = 4,
1686 x86_FLOAT_STATE64 = 5,
1687 x86_EXCEPTION_STATE64 = 6,
1688 x86_THREAD_STATE = 7,
1689 x86_FLOAT_STATE = 8,
1690 x86_EXCEPTION_STATE = 9,
1691 x86_DEBUG_STATE32 = 10,
1692 x86_DEBUG_STATE64 = 11,
1693 x86_DEBUG_STATE = 12
1694 };
1695
1696 inline void swapStruct(x86_thread_state_t &x) {
1697 swapStruct(x.tsh);
1698 if (x.tsh.flavor == x86_THREAD_STATE64)
1699 swapStruct(x.uts.ts64);
1700 }
1701
1702 inline void swapStruct(x86_float_state_t &x) {
1703 swapStruct(x.fsh);
1704 if (x.fsh.flavor == x86_FLOAT_STATE64)
1705 swapStruct(x.ufs.fs64);
1706 }
1707
1708 inline void swapStruct(x86_exception_state_t &x) {
1709 swapStruct(x.esh);
1710 if (x.esh.flavor == x86_EXCEPTION_STATE64)
1711 swapStruct(x.ues.es64);
1712 }
1713
1714 const uint32_t x86_THREAD_STATE64_COUNT =
1715 sizeof(x86_thread_state64_t) / sizeof(uint32_t);
1716 const uint32_t x86_FLOAT_STATE64_COUNT =
1717 sizeof(x86_float_state64_t) / sizeof(uint32_t);
1718 const uint32_t x86_EXCEPTION_STATE64_COUNT =
1719 sizeof(x86_exception_state64_t) / sizeof(uint32_t);
1720
1721 const uint32_t x86_THREAD_STATE_COUNT =
1722 sizeof(x86_thread_state_t) / sizeof(uint32_t);
1723 const uint32_t x86_FLOAT_STATE_COUNT =
1724 sizeof(x86_float_state_t) / sizeof(uint32_t);
1725 const uint32_t x86_EXCEPTION_STATE_COUNT =
1726 sizeof(x86_exception_state_t) / sizeof(uint32_t);
1727
Nicolas Capensb7d59242017-01-03 14:02:05 -05001728 struct arm_thread_state32_t {
1729 uint32_t r[13];
1730 uint32_t sp;
1731 uint32_t lr;
1732 uint32_t pc;
1733 uint32_t cpsr;
1734 };
1735
1736 inline void swapStruct(arm_thread_state32_t &x) {
1737 for (int i = 0; i < 13; i++)
1738 sys::swapByteOrder(x.r[i]);
1739 sys::swapByteOrder(x.sp);
1740 sys::swapByteOrder(x.lr);
1741 sys::swapByteOrder(x.pc);
1742 sys::swapByteOrder(x.cpsr);
1743 }
1744
1745 struct arm_thread_state64_t {
1746 uint64_t x[29];
1747 uint64_t fp;
1748 uint64_t lr;
1749 uint64_t sp;
1750 uint64_t pc;
1751 uint32_t cpsr;
1752 uint32_t pad;
1753 };
1754
1755 inline void swapStruct(arm_thread_state64_t &x) {
1756 for (int i = 0; i < 29; i++)
1757 sys::swapByteOrder(x.x[i]);
1758 sys::swapByteOrder(x.fp);
1759 sys::swapByteOrder(x.lr);
1760 sys::swapByteOrder(x.sp);
1761 sys::swapByteOrder(x.pc);
1762 sys::swapByteOrder(x.cpsr);
1763 }
1764
1765 struct arm_state_hdr_t {
1766 uint32_t flavor;
1767 uint32_t count;
1768 };
1769
1770 struct arm_thread_state_t {
1771 arm_state_hdr_t tsh;
1772 union {
1773 arm_thread_state32_t ts32;
1774 } uts;
1775 };
1776
1777 inline void swapStruct(arm_state_hdr_t &x) {
1778 sys::swapByteOrder(x.flavor);
1779 sys::swapByteOrder(x.count);
1780 }
1781
1782 enum ARMThreadFlavors {
1783 ARM_THREAD_STATE = 1,
1784 ARM_VFP_STATE = 2,
1785 ARM_EXCEPTION_STATE = 3,
1786 ARM_DEBUG_STATE = 4,
1787 ARN_THREAD_STATE_NONE = 5,
1788 ARM_THREAD_STATE64 = 6,
1789 ARM_EXCEPTION_STATE64 = 7
1790 };
1791
1792 inline void swapStruct(arm_thread_state_t &x) {
1793 swapStruct(x.tsh);
1794 if (x.tsh.flavor == ARM_THREAD_STATE)
1795 swapStruct(x.uts.ts32);
1796 }
1797
1798 const uint32_t ARM_THREAD_STATE_COUNT =
1799 sizeof(arm_thread_state32_t) / sizeof(uint32_t);
1800
1801 const uint32_t ARM_THREAD_STATE64_COUNT =
1802 sizeof(arm_thread_state64_t) / sizeof(uint32_t);
1803
1804 struct ppc_thread_state32_t {
1805 uint32_t srr0;
1806 uint32_t srr1;
1807 uint32_t r0;
1808 uint32_t r1;
1809 uint32_t r2;
1810 uint32_t r3;
1811 uint32_t r4;
1812 uint32_t r5;
1813 uint32_t r6;
1814 uint32_t r7;
1815 uint32_t r8;
1816 uint32_t r9;
1817 uint32_t r10;
1818 uint32_t r11;
1819 uint32_t r12;
1820 uint32_t r13;
1821 uint32_t r14;
1822 uint32_t r15;
1823 uint32_t r16;
1824 uint32_t r17;
1825 uint32_t r18;
1826 uint32_t r19;
1827 uint32_t r20;
1828 uint32_t r21;
1829 uint32_t r22;
1830 uint32_t r23;
1831 uint32_t r24;
1832 uint32_t r25;
1833 uint32_t r26;
1834 uint32_t r27;
1835 uint32_t r28;
1836 uint32_t r29;
1837 uint32_t r30;
1838 uint32_t r31;
1839 uint32_t ct;
1840 uint32_t xer;
1841 uint32_t lr;
1842 uint32_t ctr;
1843 uint32_t mq;
1844 uint32_t vrsave;
1845 };
1846
1847 inline void swapStruct(ppc_thread_state32_t &x) {
1848 sys::swapByteOrder(x.srr0);
1849 sys::swapByteOrder(x.srr1);
1850 sys::swapByteOrder(x.r0);
1851 sys::swapByteOrder(x.r1);
1852 sys::swapByteOrder(x.r2);
1853 sys::swapByteOrder(x.r3);
1854 sys::swapByteOrder(x.r4);
1855 sys::swapByteOrder(x.r5);
1856 sys::swapByteOrder(x.r6);
1857 sys::swapByteOrder(x.r7);
1858 sys::swapByteOrder(x.r8);
1859 sys::swapByteOrder(x.r9);
1860 sys::swapByteOrder(x.r10);
1861 sys::swapByteOrder(x.r11);
1862 sys::swapByteOrder(x.r12);
1863 sys::swapByteOrder(x.r13);
1864 sys::swapByteOrder(x.r14);
1865 sys::swapByteOrder(x.r15);
1866 sys::swapByteOrder(x.r16);
1867 sys::swapByteOrder(x.r17);
1868 sys::swapByteOrder(x.r18);
1869 sys::swapByteOrder(x.r19);
1870 sys::swapByteOrder(x.r20);
1871 sys::swapByteOrder(x.r21);
1872 sys::swapByteOrder(x.r22);
1873 sys::swapByteOrder(x.r23);
1874 sys::swapByteOrder(x.r24);
1875 sys::swapByteOrder(x.r25);
1876 sys::swapByteOrder(x.r26);
1877 sys::swapByteOrder(x.r27);
1878 sys::swapByteOrder(x.r28);
1879 sys::swapByteOrder(x.r29);
1880 sys::swapByteOrder(x.r30);
1881 sys::swapByteOrder(x.r31);
1882 sys::swapByteOrder(x.ct);
1883 sys::swapByteOrder(x.xer);
1884 sys::swapByteOrder(x.lr);
1885 sys::swapByteOrder(x.ctr);
1886 sys::swapByteOrder(x.mq);
1887 sys::swapByteOrder(x.vrsave);
1888 }
1889
1890 struct ppc_state_hdr_t {
1891 uint32_t flavor;
1892 uint32_t count;
1893 };
1894
1895 struct ppc_thread_state_t {
1896 ppc_state_hdr_t tsh;
1897 union {
1898 ppc_thread_state32_t ts32;
1899 } uts;
1900 };
1901
1902 inline void swapStruct(ppc_state_hdr_t &x) {
1903 sys::swapByteOrder(x.flavor);
1904 sys::swapByteOrder(x.count);
1905 }
1906
1907 enum PPCThreadFlavors {
1908 PPC_THREAD_STATE = 1,
1909 PPC_FLOAT_STATE = 2,
1910 PPC_EXCEPTION_STATE = 3,
1911 PPC_VECTOR_STATE = 4,
1912 PPC_THREAD_STATE64 = 5,
1913 PPC_EXCEPTION_STATE64 = 6,
1914 PPC_THREAD_STATE_NONE = 7
1915 };
1916
1917 inline void swapStruct(ppc_thread_state_t &x) {
1918 swapStruct(x.tsh);
1919 if (x.tsh.flavor == PPC_THREAD_STATE)
1920 swapStruct(x.uts.ts32);
1921 }
1922
1923 const uint32_t PPC_THREAD_STATE_COUNT =
1924 sizeof(ppc_thread_state32_t) / sizeof(uint32_t);
1925
Nicolas Capens0cf20062016-09-26 15:02:51 -04001926 // Define a union of all load command structs
1927 #define LOAD_COMMAND_STRUCT(LCStruct) LCStruct LCStruct##_data;
1928
1929 union macho_load_command {
1930 #include "llvm/Support/MachO.def"
1931 };
1932
1933 } // end namespace MachO
1934} // end namespace llvm
1935
1936#endif