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Andrew Scull5e1ddfa2018-08-14 10:06:54 +01001//===-- llvm/BinaryFormat/MachO.h - The MachO file format -------*- C++/-*-===//
2//
Andrew Walbran16937d02019-10-22 13:54:20 +01003// 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
Andrew Scull5e1ddfa2018-08-14 10:06:54 +01006//
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"
Olivier Deprezf4ef2d02021-04-20 13:36:24 +020018#include "llvm/Support/Error.h"
19#include "llvm/Support/SwapByteOrder.h"
Andrew Scull5e1ddfa2018-08-14 10:06:54 +010020
21namespace llvm {
Olivier Deprezf4ef2d02021-04-20 13:36:24 +020022
23class Triple;
24
Andrew Scull5e1ddfa2018-08-14 10:06:54 +010025namespace MachO {
26// Enums from <mach-o/loader.h>
27enum : uint32_t {
28 // Constants for the "magic" field in llvm::MachO::mach_header and
29 // llvm::MachO::mach_header_64
30 MH_MAGIC = 0xFEEDFACEu,
31 MH_CIGAM = 0xCEFAEDFEu,
32 MH_MAGIC_64 = 0xFEEDFACFu,
33 MH_CIGAM_64 = 0xCFFAEDFEu,
34 FAT_MAGIC = 0xCAFEBABEu,
35 FAT_CIGAM = 0xBEBAFECAu,
36 FAT_MAGIC_64 = 0xCAFEBABFu,
37 FAT_CIGAM_64 = 0xBFBAFECAu
38};
39
40enum HeaderFileType {
41 // Constants for the "filetype" field in llvm::MachO::mach_header and
42 // llvm::MachO::mach_header_64
43 MH_OBJECT = 0x1u,
44 MH_EXECUTE = 0x2u,
45 MH_FVMLIB = 0x3u,
46 MH_CORE = 0x4u,
47 MH_PRELOAD = 0x5u,
48 MH_DYLIB = 0x6u,
49 MH_DYLINKER = 0x7u,
50 MH_BUNDLE = 0x8u,
51 MH_DYLIB_STUB = 0x9u,
52 MH_DSYM = 0xAu,
53 MH_KEXT_BUNDLE = 0xBu
54};
55
56enum {
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,
Olivier Deprezf4ef2d02021-04-20 13:36:24 +020085 MH_NLIST_OUTOFSYNC_WITH_DYLDINFO = 0x04000000u,
86 MH_SIM_SUPPORT = 0x08000000u,
87 MH_DYLIB_IN_CACHE = 0x80000000u,
Andrew Scull5e1ddfa2018-08-14 10:06:54 +010088};
89
90enum : 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
97enum LoadCommandType : uint32_t {
98#include "llvm/BinaryFormat/MachO.def"
99};
100
101#undef HANDLE_LOAD_COMMAND
102
103enum : 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.
120enum 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
181enum : 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
220enum 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
229enum RebaseType {
230 REBASE_TYPE_POINTER = 1u,
231 REBASE_TYPE_TEXT_ABSOLUTE32 = 2u,
232 REBASE_TYPE_TEXT_PCREL32 = 3u
233};
234
235enum { REBASE_OPCODE_MASK = 0xF0u, REBASE_IMMEDIATE_MASK = 0x0Fu };
236
237enum 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
249enum BindType {
250 BIND_TYPE_POINTER = 1u,
251 BIND_TYPE_TEXT_ABSOLUTE32 = 2u,
252 BIND_TYPE_TEXT_PCREL32 = 3u
253};
254
255enum BindSpecialDylib {
256 BIND_SPECIAL_DYLIB_SELF = 0,
257 BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1,
258 BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2
259};
260
261enum {
262 BIND_SYMBOL_FLAGS_WEAK_IMPORT = 0x1u,
263 BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION = 0x8u,
264
265 BIND_OPCODE_MASK = 0xF0u,
266 BIND_IMMEDIATE_MASK = 0x0Fu
267};
268
269enum BindOpcode {
270 BIND_OPCODE_DONE = 0x00u,
271 BIND_OPCODE_SET_DYLIB_ORDINAL_IMM = 0x10u,
272 BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB = 0x20u,
273 BIND_OPCODE_SET_DYLIB_SPECIAL_IMM = 0x30u,
274 BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM = 0x40u,
275 BIND_OPCODE_SET_TYPE_IMM = 0x50u,
276 BIND_OPCODE_SET_ADDEND_SLEB = 0x60u,
277 BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x70u,
278 BIND_OPCODE_ADD_ADDR_ULEB = 0x80u,
279 BIND_OPCODE_DO_BIND = 0x90u,
280 BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB = 0xA0u,
281 BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED = 0xB0u,
282 BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB = 0xC0u
283};
284
285enum {
286 EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03u,
287 EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04u,
288 EXPORT_SYMBOL_FLAGS_REEXPORT = 0x08u,
289 EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10u
290};
291
292enum ExportSymbolKind {
293 EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00u,
294 EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01u,
295 EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE = 0x02u
296};
297
298enum {
299 // Constant masks for the "n_type" field in llvm::MachO::nlist and
300 // llvm::MachO::nlist_64
301 N_STAB = 0xe0,
302 N_PEXT = 0x10,
303 N_TYPE = 0x0e,
304 N_EXT = 0x01
305};
306
307enum NListType : uint8_t {
308 // Constants for the "n_type & N_TYPE" llvm::MachO::nlist and
309 // llvm::MachO::nlist_64
310 N_UNDF = 0x0u,
311 N_ABS = 0x2u,
312 N_SECT = 0xeu,
313 N_PBUD = 0xcu,
314 N_INDR = 0xau
315};
316
317enum SectionOrdinal {
318 // Constants for the "n_sect" field in llvm::MachO::nlist and
319 // llvm::MachO::nlist_64
320 NO_SECT = 0u,
321 MAX_SECT = 0xffu
322};
323
324enum {
325 // Constant masks for the "n_desc" field in llvm::MachO::nlist and
326 // llvm::MachO::nlist_64
327 // The low 3 bits are the for the REFERENCE_TYPE.
328 REFERENCE_TYPE = 0x7,
329 REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0,
330 REFERENCE_FLAG_UNDEFINED_LAZY = 1,
331 REFERENCE_FLAG_DEFINED = 2,
332 REFERENCE_FLAG_PRIVATE_DEFINED = 3,
333 REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4,
334 REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5,
335 // Flag bits (some overlap with the library ordinal bits).
336 N_ARM_THUMB_DEF = 0x0008u,
337 REFERENCED_DYNAMICALLY = 0x0010u,
338 N_NO_DEAD_STRIP = 0x0020u,
339 N_WEAK_REF = 0x0040u,
340 N_WEAK_DEF = 0x0080u,
341 N_SYMBOL_RESOLVER = 0x0100u,
342 N_ALT_ENTRY = 0x0200u,
Andrew Walbran16937d02019-10-22 13:54:20 +0100343 N_COLD_FUNC = 0x0400u,
Andrew Scull5e1ddfa2018-08-14 10:06:54 +0100344 // For undefined symbols coming from libraries, see GET_LIBRARY_ORDINAL()
345 // as these are in the top 8 bits.
346 SELF_LIBRARY_ORDINAL = 0x0,
347 MAX_LIBRARY_ORDINAL = 0xfd,
348 DYNAMIC_LOOKUP_ORDINAL = 0xfe,
349 EXECUTABLE_ORDINAL = 0xff
350};
351
352enum StabType {
353 // Constant values for the "n_type" field in llvm::MachO::nlist and
354 // llvm::MachO::nlist_64 when "(n_type & N_STAB) != 0"
355 N_GSYM = 0x20u,
356 N_FNAME = 0x22u,
357 N_FUN = 0x24u,
358 N_STSYM = 0x26u,
359 N_LCSYM = 0x28u,
360 N_BNSYM = 0x2Eu,
361 N_PC = 0x30u,
362 N_AST = 0x32u,
363 N_OPT = 0x3Cu,
364 N_RSYM = 0x40u,
365 N_SLINE = 0x44u,
366 N_ENSYM = 0x4Eu,
367 N_SSYM = 0x60u,
368 N_SO = 0x64u,
369 N_OSO = 0x66u,
370 N_LSYM = 0x80u,
371 N_BINCL = 0x82u,
372 N_SOL = 0x84u,
373 N_PARAMS = 0x86u,
374 N_VERSION = 0x88u,
375 N_OLEVEL = 0x8Au,
376 N_PSYM = 0xA0u,
377 N_EINCL = 0xA2u,
378 N_ENTRY = 0xA4u,
379 N_LBRAC = 0xC0u,
380 N_EXCL = 0xC2u,
381 N_RBRAC = 0xE0u,
382 N_BCOMM = 0xE2u,
383 N_ECOMM = 0xE4u,
384 N_ECOML = 0xE8u,
385 N_LENG = 0xFEu
386};
387
388enum : uint32_t {
389 // Constant values for the r_symbolnum field in an
390 // llvm::MachO::relocation_info structure when r_extern is 0.
391 R_ABS = 0,
392
393 // Constant bits for the r_address field in an
394 // llvm::MachO::relocation_info structure.
395 R_SCATTERED = 0x80000000
396};
397
398enum RelocationInfoType {
399 // Constant values for the r_type field in an
400 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
401 // structure.
402 GENERIC_RELOC_VANILLA = 0,
403 GENERIC_RELOC_PAIR = 1,
404 GENERIC_RELOC_SECTDIFF = 2,
405 GENERIC_RELOC_PB_LA_PTR = 3,
406 GENERIC_RELOC_LOCAL_SECTDIFF = 4,
407 GENERIC_RELOC_TLV = 5,
408
409 // Constant values for the r_type field in a PowerPC architecture
410 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
411 // structure.
412 PPC_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
413 PPC_RELOC_PAIR = GENERIC_RELOC_PAIR,
414 PPC_RELOC_BR14 = 2,
415 PPC_RELOC_BR24 = 3,
416 PPC_RELOC_HI16 = 4,
417 PPC_RELOC_LO16 = 5,
418 PPC_RELOC_HA16 = 6,
419 PPC_RELOC_LO14 = 7,
420 PPC_RELOC_SECTDIFF = 8,
421 PPC_RELOC_PB_LA_PTR = 9,
422 PPC_RELOC_HI16_SECTDIFF = 10,
423 PPC_RELOC_LO16_SECTDIFF = 11,
424 PPC_RELOC_HA16_SECTDIFF = 12,
425 PPC_RELOC_JBSR = 13,
426 PPC_RELOC_LO14_SECTDIFF = 14,
427 PPC_RELOC_LOCAL_SECTDIFF = 15,
428
429 // Constant values for the r_type field in an ARM architecture
430 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
431 // structure.
432 ARM_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
433 ARM_RELOC_PAIR = GENERIC_RELOC_PAIR,
434 ARM_RELOC_SECTDIFF = GENERIC_RELOC_SECTDIFF,
435 ARM_RELOC_LOCAL_SECTDIFF = 3,
436 ARM_RELOC_PB_LA_PTR = 4,
437 ARM_RELOC_BR24 = 5,
438 ARM_THUMB_RELOC_BR22 = 6,
439 ARM_THUMB_32BIT_BRANCH = 7, // obsolete
440 ARM_RELOC_HALF = 8,
441 ARM_RELOC_HALF_SECTDIFF = 9,
442
443 // Constant values for the r_type field in an ARM64 architecture
444 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
445 // structure.
446
447 // For pointers.
448 ARM64_RELOC_UNSIGNED = 0,
449 // Must be followed by an ARM64_RELOC_UNSIGNED
450 ARM64_RELOC_SUBTRACTOR = 1,
451 // A B/BL instruction with 26-bit displacement.
452 ARM64_RELOC_BRANCH26 = 2,
453 // PC-rel distance to page of target.
454 ARM64_RELOC_PAGE21 = 3,
455 // Offset within page, scaled by r_length.
456 ARM64_RELOC_PAGEOFF12 = 4,
457 // PC-rel distance to page of GOT slot.
458 ARM64_RELOC_GOT_LOAD_PAGE21 = 5,
459 // Offset within page of GOT slot, scaled by r_length.
460 ARM64_RELOC_GOT_LOAD_PAGEOFF12 = 6,
461 // For pointers to GOT slots.
462 ARM64_RELOC_POINTER_TO_GOT = 7,
463 // PC-rel distance to page of TLVP slot.
464 ARM64_RELOC_TLVP_LOAD_PAGE21 = 8,
465 // Offset within page of TLVP slot, scaled by r_length.
466 ARM64_RELOC_TLVP_LOAD_PAGEOFF12 = 9,
467 // Must be followed by ARM64_RELOC_PAGE21 or ARM64_RELOC_PAGEOFF12.
468 ARM64_RELOC_ADDEND = 10,
469
470 // Constant values for the r_type field in an x86_64 architecture
471 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
472 // structure
473 X86_64_RELOC_UNSIGNED = 0,
474 X86_64_RELOC_SIGNED = 1,
475 X86_64_RELOC_BRANCH = 2,
476 X86_64_RELOC_GOT_LOAD = 3,
477 X86_64_RELOC_GOT = 4,
478 X86_64_RELOC_SUBTRACTOR = 5,
479 X86_64_RELOC_SIGNED_1 = 6,
480 X86_64_RELOC_SIGNED_2 = 7,
481 X86_64_RELOC_SIGNED_4 = 8,
482 X86_64_RELOC_TLV = 9
483};
484
485// Values for segment_command.initprot.
486// From <mach/vm_prot.h>
487enum { VM_PROT_READ = 0x1, VM_PROT_WRITE = 0x2, VM_PROT_EXECUTE = 0x4 };
488
489// Values for platform field in build_version_command.
490enum PlatformType {
491 PLATFORM_MACOS = 1,
492 PLATFORM_IOS = 2,
493 PLATFORM_TVOS = 3,
494 PLATFORM_WATCHOS = 4,
Andrew Walbran16937d02019-10-22 13:54:20 +0100495 PLATFORM_BRIDGEOS = 5,
Andrew Walbran3d2c1972020-04-07 12:24:26 +0100496 PLATFORM_MACCATALYST = 6,
Andrew Walbran16937d02019-10-22 13:54:20 +0100497 PLATFORM_IOSSIMULATOR = 7,
498 PLATFORM_TVOSSIMULATOR = 8,
Olivier Deprezf4ef2d02021-04-20 13:36:24 +0200499 PLATFORM_WATCHOSSIMULATOR = 9,
500 PLATFORM_DRIVERKIT = 10,
Andrew Scull5e1ddfa2018-08-14 10:06:54 +0100501};
502
503// Values for tools enum in build_tool_version.
504enum { TOOL_CLANG = 1, TOOL_SWIFT = 2, TOOL_LD = 3 };
505
506// Structs from <mach-o/loader.h>
507
508struct mach_header {
509 uint32_t magic;
510 uint32_t cputype;
511 uint32_t cpusubtype;
512 uint32_t filetype;
513 uint32_t ncmds;
514 uint32_t sizeofcmds;
515 uint32_t flags;
516};
517
518struct mach_header_64 {
519 uint32_t magic;
520 uint32_t cputype;
521 uint32_t cpusubtype;
522 uint32_t filetype;
523 uint32_t ncmds;
524 uint32_t sizeofcmds;
525 uint32_t flags;
526 uint32_t reserved;
527};
528
529struct load_command {
530 uint32_t cmd;
531 uint32_t cmdsize;
532};
533
534struct segment_command {
535 uint32_t cmd;
536 uint32_t cmdsize;
537 char segname[16];
538 uint32_t vmaddr;
539 uint32_t vmsize;
540 uint32_t fileoff;
541 uint32_t filesize;
542 uint32_t maxprot;
543 uint32_t initprot;
544 uint32_t nsects;
545 uint32_t flags;
546};
547
548struct segment_command_64 {
549 uint32_t cmd;
550 uint32_t cmdsize;
551 char segname[16];
552 uint64_t vmaddr;
553 uint64_t vmsize;
554 uint64_t fileoff;
555 uint64_t filesize;
556 uint32_t maxprot;
557 uint32_t initprot;
558 uint32_t nsects;
559 uint32_t flags;
560};
561
562struct section {
563 char sectname[16];
564 char segname[16];
565 uint32_t addr;
566 uint32_t size;
567 uint32_t offset;
568 uint32_t align;
569 uint32_t reloff;
570 uint32_t nreloc;
571 uint32_t flags;
572 uint32_t reserved1;
573 uint32_t reserved2;
574};
575
576struct section_64 {
577 char sectname[16];
578 char segname[16];
579 uint64_t addr;
580 uint64_t size;
581 uint32_t offset;
582 uint32_t align;
583 uint32_t reloff;
584 uint32_t nreloc;
585 uint32_t flags;
586 uint32_t reserved1;
587 uint32_t reserved2;
588 uint32_t reserved3;
589};
590
Olivier Deprezf4ef2d02021-04-20 13:36:24 +0200591inline bool isVirtualSection(uint8_t type) {
592 return (type == MachO::S_ZEROFILL || type == MachO::S_GB_ZEROFILL ||
593 type == MachO::S_THREAD_LOCAL_ZEROFILL);
594}
595
Andrew Scull5e1ddfa2018-08-14 10:06:54 +0100596struct fvmlib {
597 uint32_t name;
598 uint32_t minor_version;
599 uint32_t header_addr;
600};
601
602// The fvmlib_command is obsolete and no longer supported.
603struct fvmlib_command {
604 uint32_t cmd;
605 uint32_t cmdsize;
606 struct fvmlib fvmlib;
607};
608
609struct dylib {
610 uint32_t name;
611 uint32_t timestamp;
612 uint32_t current_version;
613 uint32_t compatibility_version;
614};
615
616struct dylib_command {
617 uint32_t cmd;
618 uint32_t cmdsize;
619 struct dylib dylib;
620};
621
622struct sub_framework_command {
623 uint32_t cmd;
624 uint32_t cmdsize;
625 uint32_t umbrella;
626};
627
628struct sub_client_command {
629 uint32_t cmd;
630 uint32_t cmdsize;
631 uint32_t client;
632};
633
634struct sub_umbrella_command {
635 uint32_t cmd;
636 uint32_t cmdsize;
637 uint32_t sub_umbrella;
638};
639
640struct sub_library_command {
641 uint32_t cmd;
642 uint32_t cmdsize;
643 uint32_t sub_library;
644};
645
646// The prebound_dylib_command is obsolete and no longer supported.
647struct prebound_dylib_command {
648 uint32_t cmd;
649 uint32_t cmdsize;
650 uint32_t name;
651 uint32_t nmodules;
652 uint32_t linked_modules;
653};
654
655struct dylinker_command {
656 uint32_t cmd;
657 uint32_t cmdsize;
658 uint32_t name;
659};
660
661struct thread_command {
662 uint32_t cmd;
663 uint32_t cmdsize;
664};
665
666struct routines_command {
667 uint32_t cmd;
668 uint32_t cmdsize;
669 uint32_t init_address;
670 uint32_t init_module;
671 uint32_t reserved1;
672 uint32_t reserved2;
673 uint32_t reserved3;
674 uint32_t reserved4;
675 uint32_t reserved5;
676 uint32_t reserved6;
677};
678
679struct routines_command_64 {
680 uint32_t cmd;
681 uint32_t cmdsize;
682 uint64_t init_address;
683 uint64_t init_module;
684 uint64_t reserved1;
685 uint64_t reserved2;
686 uint64_t reserved3;
687 uint64_t reserved4;
688 uint64_t reserved5;
689 uint64_t reserved6;
690};
691
692struct symtab_command {
693 uint32_t cmd;
694 uint32_t cmdsize;
695 uint32_t symoff;
696 uint32_t nsyms;
697 uint32_t stroff;
698 uint32_t strsize;
699};
700
701struct dysymtab_command {
702 uint32_t cmd;
703 uint32_t cmdsize;
704 uint32_t ilocalsym;
705 uint32_t nlocalsym;
706 uint32_t iextdefsym;
707 uint32_t nextdefsym;
708 uint32_t iundefsym;
709 uint32_t nundefsym;
710 uint32_t tocoff;
711 uint32_t ntoc;
712 uint32_t modtaboff;
713 uint32_t nmodtab;
714 uint32_t extrefsymoff;
715 uint32_t nextrefsyms;
716 uint32_t indirectsymoff;
717 uint32_t nindirectsyms;
718 uint32_t extreloff;
719 uint32_t nextrel;
720 uint32_t locreloff;
721 uint32_t nlocrel;
722};
723
724struct dylib_table_of_contents {
725 uint32_t symbol_index;
726 uint32_t module_index;
727};
728
729struct dylib_module {
730 uint32_t module_name;
731 uint32_t iextdefsym;
732 uint32_t nextdefsym;
733 uint32_t irefsym;
734 uint32_t nrefsym;
735 uint32_t ilocalsym;
736 uint32_t nlocalsym;
737 uint32_t iextrel;
738 uint32_t nextrel;
739 uint32_t iinit_iterm;
740 uint32_t ninit_nterm;
741 uint32_t objc_module_info_addr;
742 uint32_t objc_module_info_size;
743};
744
745struct dylib_module_64 {
746 uint32_t module_name;
747 uint32_t iextdefsym;
748 uint32_t nextdefsym;
749 uint32_t irefsym;
750 uint32_t nrefsym;
751 uint32_t ilocalsym;
752 uint32_t nlocalsym;
753 uint32_t iextrel;
754 uint32_t nextrel;
755 uint32_t iinit_iterm;
756 uint32_t ninit_nterm;
757 uint32_t objc_module_info_size;
758 uint64_t objc_module_info_addr;
759};
760
761struct dylib_reference {
762 uint32_t isym : 24, flags : 8;
763};
764
765// The twolevel_hints_command is obsolete and no longer supported.
766struct twolevel_hints_command {
767 uint32_t cmd;
768 uint32_t cmdsize;
769 uint32_t offset;
770 uint32_t nhints;
771};
772
773// The twolevel_hints_command is obsolete and no longer supported.
774struct twolevel_hint {
775 uint32_t isub_image : 8, itoc : 24;
776};
777
778// The prebind_cksum_command is obsolete and no longer supported.
779struct prebind_cksum_command {
780 uint32_t cmd;
781 uint32_t cmdsize;
782 uint32_t cksum;
783};
784
785struct uuid_command {
786 uint32_t cmd;
787 uint32_t cmdsize;
788 uint8_t uuid[16];
789};
790
791struct rpath_command {
792 uint32_t cmd;
793 uint32_t cmdsize;
794 uint32_t path;
795};
796
797struct linkedit_data_command {
798 uint32_t cmd;
799 uint32_t cmdsize;
800 uint32_t dataoff;
801 uint32_t datasize;
802};
803
804struct data_in_code_entry {
805 uint32_t offset;
806 uint16_t length;
807 uint16_t kind;
808};
809
810struct source_version_command {
811 uint32_t cmd;
812 uint32_t cmdsize;
813 uint64_t version;
814};
815
816struct encryption_info_command {
817 uint32_t cmd;
818 uint32_t cmdsize;
819 uint32_t cryptoff;
820 uint32_t cryptsize;
821 uint32_t cryptid;
822};
823
824struct encryption_info_command_64 {
825 uint32_t cmd;
826 uint32_t cmdsize;
827 uint32_t cryptoff;
828 uint32_t cryptsize;
829 uint32_t cryptid;
830 uint32_t pad;
831};
832
833struct version_min_command {
834 uint32_t cmd; // LC_VERSION_MIN_MACOSX or
835 // LC_VERSION_MIN_IPHONEOS
836 uint32_t cmdsize; // sizeof(struct version_min_command)
837 uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz
838 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz
839};
840
841struct note_command {
842 uint32_t cmd; // LC_NOTE
843 uint32_t cmdsize; // sizeof(struct note_command)
844 char data_owner[16]; // owner name for this LC_NOTE
845 uint64_t offset; // file offset of this data
846 uint64_t size; // length of data region
847};
848
849struct build_tool_version {
850 uint32_t tool; // enum for the tool
851 uint32_t version; // version of the tool
852};
853
854struct build_version_command {
855 uint32_t cmd; // LC_BUILD_VERSION
856 uint32_t cmdsize; // sizeof(struct build_version_command) +
857 // ntools * sizeof(struct build_tool_version)
858 uint32_t platform; // platform
859 uint32_t minos; // X.Y.Z is encoded in nibbles xxxx.yy.zz
860 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz
861 uint32_t ntools; // number of tool entries following this
862};
863
864struct dyld_info_command {
865 uint32_t cmd;
866 uint32_t cmdsize;
867 uint32_t rebase_off;
868 uint32_t rebase_size;
869 uint32_t bind_off;
870 uint32_t bind_size;
871 uint32_t weak_bind_off;
872 uint32_t weak_bind_size;
873 uint32_t lazy_bind_off;
874 uint32_t lazy_bind_size;
875 uint32_t export_off;
876 uint32_t export_size;
877};
878
879struct linker_option_command {
880 uint32_t cmd;
881 uint32_t cmdsize;
882 uint32_t count;
883};
884
885// The symseg_command is obsolete and no longer supported.
886struct symseg_command {
887 uint32_t cmd;
888 uint32_t cmdsize;
889 uint32_t offset;
890 uint32_t size;
891};
892
893// The ident_command is obsolete and no longer supported.
894struct ident_command {
895 uint32_t cmd;
896 uint32_t cmdsize;
897};
898
899// The fvmfile_command is obsolete and no longer supported.
900struct fvmfile_command {
901 uint32_t cmd;
902 uint32_t cmdsize;
903 uint32_t name;
904 uint32_t header_addr;
905};
906
907struct tlv_descriptor_32 {
908 uint32_t thunk;
909 uint32_t key;
910 uint32_t offset;
911};
912
913struct tlv_descriptor_64 {
914 uint64_t thunk;
915 uint64_t key;
916 uint64_t offset;
917};
918
919struct tlv_descriptor {
920 uintptr_t thunk;
921 uintptr_t key;
922 uintptr_t offset;
923};
924
925struct entry_point_command {
926 uint32_t cmd;
927 uint32_t cmdsize;
928 uint64_t entryoff;
929 uint64_t stacksize;
930};
931
932// Structs from <mach-o/fat.h>
933struct fat_header {
934 uint32_t magic;
935 uint32_t nfat_arch;
936};
937
938struct fat_arch {
939 uint32_t cputype;
940 uint32_t cpusubtype;
941 uint32_t offset;
942 uint32_t size;
943 uint32_t align;
944};
945
946struct fat_arch_64 {
947 uint32_t cputype;
948 uint32_t cpusubtype;
949 uint64_t offset;
950 uint64_t size;
951 uint32_t align;
952 uint32_t reserved;
953};
954
955// Structs from <mach-o/reloc.h>
956struct relocation_info {
957 int32_t r_address;
958 uint32_t r_symbolnum : 24, r_pcrel : 1, r_length : 2, r_extern : 1,
959 r_type : 4;
960};
961
962struct scattered_relocation_info {
963#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && (BYTE_ORDER == BIG_ENDIAN)
964 uint32_t r_scattered : 1, r_pcrel : 1, r_length : 2, r_type : 4,
965 r_address : 24;
966#else
967 uint32_t r_address : 24, r_type : 4, r_length : 2, r_pcrel : 1,
968 r_scattered : 1;
969#endif
970 int32_t r_value;
971};
972
973// Structs NOT from <mach-o/reloc.h>, but that make LLVM's life easier
974struct any_relocation_info {
975 uint32_t r_word0, r_word1;
976};
977
978// Structs from <mach-o/nlist.h>
979struct nlist_base {
980 uint32_t n_strx;
981 uint8_t n_type;
982 uint8_t n_sect;
983 uint16_t n_desc;
984};
985
986struct nlist {
987 uint32_t n_strx;
988 uint8_t n_type;
989 uint8_t n_sect;
990 int16_t n_desc;
991 uint32_t n_value;
992};
993
994struct nlist_64 {
995 uint32_t n_strx;
996 uint8_t n_type;
997 uint8_t n_sect;
998 uint16_t n_desc;
999 uint64_t n_value;
1000};
1001
1002// Byte order swapping functions for MachO structs
1003
1004inline void swapStruct(fat_header &mh) {
1005 sys::swapByteOrder(mh.magic);
1006 sys::swapByteOrder(mh.nfat_arch);
1007}
1008
1009inline void swapStruct(fat_arch &mh) {
1010 sys::swapByteOrder(mh.cputype);
1011 sys::swapByteOrder(mh.cpusubtype);
1012 sys::swapByteOrder(mh.offset);
1013 sys::swapByteOrder(mh.size);
1014 sys::swapByteOrder(mh.align);
1015}
1016
1017inline void swapStruct(fat_arch_64 &mh) {
1018 sys::swapByteOrder(mh.cputype);
1019 sys::swapByteOrder(mh.cpusubtype);
1020 sys::swapByteOrder(mh.offset);
1021 sys::swapByteOrder(mh.size);
1022 sys::swapByteOrder(mh.align);
1023 sys::swapByteOrder(mh.reserved);
1024}
1025
1026inline void swapStruct(mach_header &mh) {
1027 sys::swapByteOrder(mh.magic);
1028 sys::swapByteOrder(mh.cputype);
1029 sys::swapByteOrder(mh.cpusubtype);
1030 sys::swapByteOrder(mh.filetype);
1031 sys::swapByteOrder(mh.ncmds);
1032 sys::swapByteOrder(mh.sizeofcmds);
1033 sys::swapByteOrder(mh.flags);
1034}
1035
1036inline void swapStruct(mach_header_64 &H) {
1037 sys::swapByteOrder(H.magic);
1038 sys::swapByteOrder(H.cputype);
1039 sys::swapByteOrder(H.cpusubtype);
1040 sys::swapByteOrder(H.filetype);
1041 sys::swapByteOrder(H.ncmds);
1042 sys::swapByteOrder(H.sizeofcmds);
1043 sys::swapByteOrder(H.flags);
1044 sys::swapByteOrder(H.reserved);
1045}
1046
1047inline void swapStruct(load_command &lc) {
1048 sys::swapByteOrder(lc.cmd);
1049 sys::swapByteOrder(lc.cmdsize);
1050}
1051
1052inline void swapStruct(symtab_command &lc) {
1053 sys::swapByteOrder(lc.cmd);
1054 sys::swapByteOrder(lc.cmdsize);
1055 sys::swapByteOrder(lc.symoff);
1056 sys::swapByteOrder(lc.nsyms);
1057 sys::swapByteOrder(lc.stroff);
1058 sys::swapByteOrder(lc.strsize);
1059}
1060
1061inline void swapStruct(segment_command_64 &seg) {
1062 sys::swapByteOrder(seg.cmd);
1063 sys::swapByteOrder(seg.cmdsize);
1064 sys::swapByteOrder(seg.vmaddr);
1065 sys::swapByteOrder(seg.vmsize);
1066 sys::swapByteOrder(seg.fileoff);
1067 sys::swapByteOrder(seg.filesize);
1068 sys::swapByteOrder(seg.maxprot);
1069 sys::swapByteOrder(seg.initprot);
1070 sys::swapByteOrder(seg.nsects);
1071 sys::swapByteOrder(seg.flags);
1072}
1073
1074inline void swapStruct(segment_command &seg) {
1075 sys::swapByteOrder(seg.cmd);
1076 sys::swapByteOrder(seg.cmdsize);
1077 sys::swapByteOrder(seg.vmaddr);
1078 sys::swapByteOrder(seg.vmsize);
1079 sys::swapByteOrder(seg.fileoff);
1080 sys::swapByteOrder(seg.filesize);
1081 sys::swapByteOrder(seg.maxprot);
1082 sys::swapByteOrder(seg.initprot);
1083 sys::swapByteOrder(seg.nsects);
1084 sys::swapByteOrder(seg.flags);
1085}
1086
1087inline void swapStruct(section_64 &sect) {
1088 sys::swapByteOrder(sect.addr);
1089 sys::swapByteOrder(sect.size);
1090 sys::swapByteOrder(sect.offset);
1091 sys::swapByteOrder(sect.align);
1092 sys::swapByteOrder(sect.reloff);
1093 sys::swapByteOrder(sect.nreloc);
1094 sys::swapByteOrder(sect.flags);
1095 sys::swapByteOrder(sect.reserved1);
1096 sys::swapByteOrder(sect.reserved2);
1097}
1098
1099inline void swapStruct(section &sect) {
1100 sys::swapByteOrder(sect.addr);
1101 sys::swapByteOrder(sect.size);
1102 sys::swapByteOrder(sect.offset);
1103 sys::swapByteOrder(sect.align);
1104 sys::swapByteOrder(sect.reloff);
1105 sys::swapByteOrder(sect.nreloc);
1106 sys::swapByteOrder(sect.flags);
1107 sys::swapByteOrder(sect.reserved1);
1108 sys::swapByteOrder(sect.reserved2);
1109}
1110
1111inline void swapStruct(dyld_info_command &info) {
1112 sys::swapByteOrder(info.cmd);
1113 sys::swapByteOrder(info.cmdsize);
1114 sys::swapByteOrder(info.rebase_off);
1115 sys::swapByteOrder(info.rebase_size);
1116 sys::swapByteOrder(info.bind_off);
1117 sys::swapByteOrder(info.bind_size);
1118 sys::swapByteOrder(info.weak_bind_off);
1119 sys::swapByteOrder(info.weak_bind_size);
1120 sys::swapByteOrder(info.lazy_bind_off);
1121 sys::swapByteOrder(info.lazy_bind_size);
1122 sys::swapByteOrder(info.export_off);
1123 sys::swapByteOrder(info.export_size);
1124}
1125
1126inline void swapStruct(dylib_command &d) {
1127 sys::swapByteOrder(d.cmd);
1128 sys::swapByteOrder(d.cmdsize);
1129 sys::swapByteOrder(d.dylib.name);
1130 sys::swapByteOrder(d.dylib.timestamp);
1131 sys::swapByteOrder(d.dylib.current_version);
1132 sys::swapByteOrder(d.dylib.compatibility_version);
1133}
1134
1135inline void swapStruct(sub_framework_command &s) {
1136 sys::swapByteOrder(s.cmd);
1137 sys::swapByteOrder(s.cmdsize);
1138 sys::swapByteOrder(s.umbrella);
1139}
1140
1141inline void swapStruct(sub_umbrella_command &s) {
1142 sys::swapByteOrder(s.cmd);
1143 sys::swapByteOrder(s.cmdsize);
1144 sys::swapByteOrder(s.sub_umbrella);
1145}
1146
1147inline void swapStruct(sub_library_command &s) {
1148 sys::swapByteOrder(s.cmd);
1149 sys::swapByteOrder(s.cmdsize);
1150 sys::swapByteOrder(s.sub_library);
1151}
1152
1153inline void swapStruct(sub_client_command &s) {
1154 sys::swapByteOrder(s.cmd);
1155 sys::swapByteOrder(s.cmdsize);
1156 sys::swapByteOrder(s.client);
1157}
1158
1159inline void swapStruct(routines_command &r) {
1160 sys::swapByteOrder(r.cmd);
1161 sys::swapByteOrder(r.cmdsize);
1162 sys::swapByteOrder(r.init_address);
1163 sys::swapByteOrder(r.init_module);
1164 sys::swapByteOrder(r.reserved1);
1165 sys::swapByteOrder(r.reserved2);
1166 sys::swapByteOrder(r.reserved3);
1167 sys::swapByteOrder(r.reserved4);
1168 sys::swapByteOrder(r.reserved5);
1169 sys::swapByteOrder(r.reserved6);
1170}
1171
1172inline void swapStruct(routines_command_64 &r) {
1173 sys::swapByteOrder(r.cmd);
1174 sys::swapByteOrder(r.cmdsize);
1175 sys::swapByteOrder(r.init_address);
1176 sys::swapByteOrder(r.init_module);
1177 sys::swapByteOrder(r.reserved1);
1178 sys::swapByteOrder(r.reserved2);
1179 sys::swapByteOrder(r.reserved3);
1180 sys::swapByteOrder(r.reserved4);
1181 sys::swapByteOrder(r.reserved5);
1182 sys::swapByteOrder(r.reserved6);
1183}
1184
1185inline void swapStruct(thread_command &t) {
1186 sys::swapByteOrder(t.cmd);
1187 sys::swapByteOrder(t.cmdsize);
1188}
1189
1190inline void swapStruct(dylinker_command &d) {
1191 sys::swapByteOrder(d.cmd);
1192 sys::swapByteOrder(d.cmdsize);
1193 sys::swapByteOrder(d.name);
1194}
1195
1196inline void swapStruct(uuid_command &u) {
1197 sys::swapByteOrder(u.cmd);
1198 sys::swapByteOrder(u.cmdsize);
1199}
1200
1201inline void swapStruct(rpath_command &r) {
1202 sys::swapByteOrder(r.cmd);
1203 sys::swapByteOrder(r.cmdsize);
1204 sys::swapByteOrder(r.path);
1205}
1206
1207inline void swapStruct(source_version_command &s) {
1208 sys::swapByteOrder(s.cmd);
1209 sys::swapByteOrder(s.cmdsize);
1210 sys::swapByteOrder(s.version);
1211}
1212
1213inline void swapStruct(entry_point_command &e) {
1214 sys::swapByteOrder(e.cmd);
1215 sys::swapByteOrder(e.cmdsize);
1216 sys::swapByteOrder(e.entryoff);
1217 sys::swapByteOrder(e.stacksize);
1218}
1219
1220inline void swapStruct(encryption_info_command &e) {
1221 sys::swapByteOrder(e.cmd);
1222 sys::swapByteOrder(e.cmdsize);
1223 sys::swapByteOrder(e.cryptoff);
1224 sys::swapByteOrder(e.cryptsize);
1225 sys::swapByteOrder(e.cryptid);
1226}
1227
1228inline void swapStruct(encryption_info_command_64 &e) {
1229 sys::swapByteOrder(e.cmd);
1230 sys::swapByteOrder(e.cmdsize);
1231 sys::swapByteOrder(e.cryptoff);
1232 sys::swapByteOrder(e.cryptsize);
1233 sys::swapByteOrder(e.cryptid);
1234 sys::swapByteOrder(e.pad);
1235}
1236
1237inline void swapStruct(dysymtab_command &dst) {
1238 sys::swapByteOrder(dst.cmd);
1239 sys::swapByteOrder(dst.cmdsize);
1240 sys::swapByteOrder(dst.ilocalsym);
1241 sys::swapByteOrder(dst.nlocalsym);
1242 sys::swapByteOrder(dst.iextdefsym);
1243 sys::swapByteOrder(dst.nextdefsym);
1244 sys::swapByteOrder(dst.iundefsym);
1245 sys::swapByteOrder(dst.nundefsym);
1246 sys::swapByteOrder(dst.tocoff);
1247 sys::swapByteOrder(dst.ntoc);
1248 sys::swapByteOrder(dst.modtaboff);
1249 sys::swapByteOrder(dst.nmodtab);
1250 sys::swapByteOrder(dst.extrefsymoff);
1251 sys::swapByteOrder(dst.nextrefsyms);
1252 sys::swapByteOrder(dst.indirectsymoff);
1253 sys::swapByteOrder(dst.nindirectsyms);
1254 sys::swapByteOrder(dst.extreloff);
1255 sys::swapByteOrder(dst.nextrel);
1256 sys::swapByteOrder(dst.locreloff);
1257 sys::swapByteOrder(dst.nlocrel);
1258}
1259
1260inline void swapStruct(any_relocation_info &reloc) {
1261 sys::swapByteOrder(reloc.r_word0);
1262 sys::swapByteOrder(reloc.r_word1);
1263}
1264
1265inline void swapStruct(nlist_base &S) {
1266 sys::swapByteOrder(S.n_strx);
1267 sys::swapByteOrder(S.n_desc);
1268}
1269
1270inline void swapStruct(nlist &sym) {
1271 sys::swapByteOrder(sym.n_strx);
1272 sys::swapByteOrder(sym.n_desc);
1273 sys::swapByteOrder(sym.n_value);
1274}
1275
1276inline void swapStruct(nlist_64 &sym) {
1277 sys::swapByteOrder(sym.n_strx);
1278 sys::swapByteOrder(sym.n_desc);
1279 sys::swapByteOrder(sym.n_value);
1280}
1281
1282inline void swapStruct(linkedit_data_command &C) {
1283 sys::swapByteOrder(C.cmd);
1284 sys::swapByteOrder(C.cmdsize);
1285 sys::swapByteOrder(C.dataoff);
1286 sys::swapByteOrder(C.datasize);
1287}
1288
1289inline void swapStruct(linker_option_command &C) {
1290 sys::swapByteOrder(C.cmd);
1291 sys::swapByteOrder(C.cmdsize);
1292 sys::swapByteOrder(C.count);
1293}
1294
1295inline void swapStruct(version_min_command &C) {
1296 sys::swapByteOrder(C.cmd);
1297 sys::swapByteOrder(C.cmdsize);
1298 sys::swapByteOrder(C.version);
1299 sys::swapByteOrder(C.sdk);
1300}
1301
1302inline void swapStruct(note_command &C) {
1303 sys::swapByteOrder(C.cmd);
1304 sys::swapByteOrder(C.cmdsize);
1305 sys::swapByteOrder(C.offset);
1306 sys::swapByteOrder(C.size);
1307}
1308
1309inline void swapStruct(build_version_command &C) {
1310 sys::swapByteOrder(C.cmd);
1311 sys::swapByteOrder(C.cmdsize);
1312 sys::swapByteOrder(C.platform);
1313 sys::swapByteOrder(C.minos);
1314 sys::swapByteOrder(C.sdk);
1315 sys::swapByteOrder(C.ntools);
1316}
1317
1318inline void swapStruct(build_tool_version &C) {
1319 sys::swapByteOrder(C.tool);
1320 sys::swapByteOrder(C.version);
1321}
1322
1323inline void swapStruct(data_in_code_entry &C) {
1324 sys::swapByteOrder(C.offset);
1325 sys::swapByteOrder(C.length);
1326 sys::swapByteOrder(C.kind);
1327}
1328
1329inline void swapStruct(uint32_t &C) { sys::swapByteOrder(C); }
1330
1331// The prebind_cksum_command is obsolete and no longer supported.
1332inline void swapStruct(prebind_cksum_command &C) {
1333 sys::swapByteOrder(C.cmd);
1334 sys::swapByteOrder(C.cmdsize);
1335 sys::swapByteOrder(C.cksum);
1336}
1337
1338// The twolevel_hints_command is obsolete and no longer supported.
1339inline void swapStruct(twolevel_hints_command &C) {
1340 sys::swapByteOrder(C.cmd);
1341 sys::swapByteOrder(C.cmdsize);
1342 sys::swapByteOrder(C.offset);
1343 sys::swapByteOrder(C.nhints);
1344}
1345
1346// The prebound_dylib_command is obsolete and no longer supported.
1347inline void swapStruct(prebound_dylib_command &C) {
1348 sys::swapByteOrder(C.cmd);
1349 sys::swapByteOrder(C.cmdsize);
1350 sys::swapByteOrder(C.name);
1351 sys::swapByteOrder(C.nmodules);
1352 sys::swapByteOrder(C.linked_modules);
1353}
1354
1355// The fvmfile_command is obsolete and no longer supported.
1356inline void swapStruct(fvmfile_command &C) {
1357 sys::swapByteOrder(C.cmd);
1358 sys::swapByteOrder(C.cmdsize);
1359 sys::swapByteOrder(C.name);
1360 sys::swapByteOrder(C.header_addr);
1361}
1362
1363// The symseg_command is obsolete and no longer supported.
1364inline void swapStruct(symseg_command &C) {
1365 sys::swapByteOrder(C.cmd);
1366 sys::swapByteOrder(C.cmdsize);
1367 sys::swapByteOrder(C.offset);
1368 sys::swapByteOrder(C.size);
1369}
1370
1371// The ident_command is obsolete and no longer supported.
1372inline void swapStruct(ident_command &C) {
1373 sys::swapByteOrder(C.cmd);
1374 sys::swapByteOrder(C.cmdsize);
1375}
1376
1377inline void swapStruct(fvmlib &C) {
1378 sys::swapByteOrder(C.name);
1379 sys::swapByteOrder(C.minor_version);
1380 sys::swapByteOrder(C.header_addr);
1381}
1382
1383// The fvmlib_command is obsolete and no longer supported.
1384inline void swapStruct(fvmlib_command &C) {
1385 sys::swapByteOrder(C.cmd);
1386 sys::swapByteOrder(C.cmdsize);
1387 swapStruct(C.fvmlib);
1388}
1389
1390// Get/Set functions from <mach-o/nlist.h>
1391
1392inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc) {
1393 return (((n_desc) >> 8u) & 0xffu);
1394}
1395
1396inline void SET_LIBRARY_ORDINAL(uint16_t &n_desc, uint8_t ordinal) {
1397 n_desc = (((n_desc)&0x00ff) | (((ordinal)&0xff) << 8));
1398}
1399
1400inline uint8_t GET_COMM_ALIGN(uint16_t n_desc) {
1401 return (n_desc >> 8u) & 0x0fu;
1402}
1403
1404inline void SET_COMM_ALIGN(uint16_t &n_desc, uint8_t align) {
1405 n_desc = ((n_desc & 0xf0ffu) | ((align & 0x0fu) << 8u));
1406}
1407
1408// Enums from <mach/machine.h>
1409enum : uint32_t {
1410 // Capability bits used in the definition of cpu_type.
1411 CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits
Andrew Walbran3d2c1972020-04-07 12:24:26 +01001412 CPU_ARCH_ABI64 = 0x01000000, // 64 bit ABI
1413 CPU_ARCH_ABI64_32 = 0x02000000, // ILP32 ABI on 64-bit hardware
Andrew Scull5e1ddfa2018-08-14 10:06:54 +01001414};
1415
1416// Constants for the cputype field.
1417enum CPUType {
1418 CPU_TYPE_ANY = -1,
1419 CPU_TYPE_X86 = 7,
1420 CPU_TYPE_I386 = CPU_TYPE_X86,
1421 CPU_TYPE_X86_64 = CPU_TYPE_X86 | CPU_ARCH_ABI64,
1422 /* CPU_TYPE_MIPS = 8, */
1423 CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC
1424 CPU_TYPE_ARM = 12,
1425 CPU_TYPE_ARM64 = CPU_TYPE_ARM | CPU_ARCH_ABI64,
Andrew Walbran3d2c1972020-04-07 12:24:26 +01001426 CPU_TYPE_ARM64_32 = CPU_TYPE_ARM | CPU_ARCH_ABI64_32,
Andrew Scull5e1ddfa2018-08-14 10:06:54 +01001427 CPU_TYPE_SPARC = 14,
1428 CPU_TYPE_POWERPC = 18,
1429 CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64
1430};
1431
1432enum : uint32_t {
1433 // Capability bits used in the definition of cpusubtype.
1434 CPU_SUBTYPE_MASK = 0xff000000, // Mask for architecture bits
1435 CPU_SUBTYPE_LIB64 = 0x80000000, // 64 bit libraries
1436
1437 // Special CPU subtype constants.
1438 CPU_SUBTYPE_MULTIPLE = ~0u
1439};
1440
1441// Constants for the cpusubtype field.
1442enum CPUSubTypeX86 {
1443 CPU_SUBTYPE_I386_ALL = 3,
1444 CPU_SUBTYPE_386 = 3,
1445 CPU_SUBTYPE_486 = 4,
1446 CPU_SUBTYPE_486SX = 0x84,
1447 CPU_SUBTYPE_586 = 5,
1448 CPU_SUBTYPE_PENT = CPU_SUBTYPE_586,
1449 CPU_SUBTYPE_PENTPRO = 0x16,
1450 CPU_SUBTYPE_PENTII_M3 = 0x36,
1451 CPU_SUBTYPE_PENTII_M5 = 0x56,
1452 CPU_SUBTYPE_CELERON = 0x67,
1453 CPU_SUBTYPE_CELERON_MOBILE = 0x77,
1454 CPU_SUBTYPE_PENTIUM_3 = 0x08,
1455 CPU_SUBTYPE_PENTIUM_3_M = 0x18,
1456 CPU_SUBTYPE_PENTIUM_3_XEON = 0x28,
1457 CPU_SUBTYPE_PENTIUM_M = 0x09,
1458 CPU_SUBTYPE_PENTIUM_4 = 0x0a,
1459 CPU_SUBTYPE_PENTIUM_4_M = 0x1a,
1460 CPU_SUBTYPE_ITANIUM = 0x0b,
1461 CPU_SUBTYPE_ITANIUM_2 = 0x1b,
1462 CPU_SUBTYPE_XEON = 0x0c,
1463 CPU_SUBTYPE_XEON_MP = 0x1c,
1464
1465 CPU_SUBTYPE_X86_ALL = 3,
1466 CPU_SUBTYPE_X86_64_ALL = 3,
1467 CPU_SUBTYPE_X86_ARCH1 = 4,
1468 CPU_SUBTYPE_X86_64_H = 8
1469};
1470inline int CPU_SUBTYPE_INTEL(int Family, int Model) {
1471 return Family | (Model << 4);
1472}
1473inline int CPU_SUBTYPE_INTEL_FAMILY(CPUSubTypeX86 ST) {
1474 return ((int)ST) & 0x0f;
1475}
1476inline int CPU_SUBTYPE_INTEL_MODEL(CPUSubTypeX86 ST) { return ((int)ST) >> 4; }
1477enum { CPU_SUBTYPE_INTEL_FAMILY_MAX = 15, CPU_SUBTYPE_INTEL_MODEL_ALL = 0 };
1478
1479enum CPUSubTypeARM {
1480 CPU_SUBTYPE_ARM_ALL = 0,
1481 CPU_SUBTYPE_ARM_V4T = 5,
1482 CPU_SUBTYPE_ARM_V6 = 6,
1483 CPU_SUBTYPE_ARM_V5 = 7,
1484 CPU_SUBTYPE_ARM_V5TEJ = 7,
1485 CPU_SUBTYPE_ARM_XSCALE = 8,
1486 CPU_SUBTYPE_ARM_V7 = 9,
1487 // unused ARM_V7F = 10,
1488 CPU_SUBTYPE_ARM_V7S = 11,
1489 CPU_SUBTYPE_ARM_V7K = 12,
1490 CPU_SUBTYPE_ARM_V6M = 14,
1491 CPU_SUBTYPE_ARM_V7M = 15,
1492 CPU_SUBTYPE_ARM_V7EM = 16
1493};
1494
Andrew Walbran3d2c1972020-04-07 12:24:26 +01001495enum CPUSubTypeARM64 {
1496 CPU_SUBTYPE_ARM64_ALL = 0,
Olivier Deprezf4ef2d02021-04-20 13:36:24 +02001497 CPU_SUBTYPE_ARM64_V8 = 1,
Andrew Walbran3d2c1972020-04-07 12:24:26 +01001498 CPU_SUBTYPE_ARM64E = 2,
1499};
1500
1501enum CPUSubTypeARM64_32 { CPU_SUBTYPE_ARM64_32_V8 = 1 };
Andrew Scull5e1ddfa2018-08-14 10:06:54 +01001502
1503enum CPUSubTypeSPARC { CPU_SUBTYPE_SPARC_ALL = 0 };
1504
1505enum CPUSubTypePowerPC {
1506 CPU_SUBTYPE_POWERPC_ALL = 0,
1507 CPU_SUBTYPE_POWERPC_601 = 1,
1508 CPU_SUBTYPE_POWERPC_602 = 2,
1509 CPU_SUBTYPE_POWERPC_603 = 3,
1510 CPU_SUBTYPE_POWERPC_603e = 4,
1511 CPU_SUBTYPE_POWERPC_603ev = 5,
1512 CPU_SUBTYPE_POWERPC_604 = 6,
1513 CPU_SUBTYPE_POWERPC_604e = 7,
1514 CPU_SUBTYPE_POWERPC_620 = 8,
1515 CPU_SUBTYPE_POWERPC_750 = 9,
1516 CPU_SUBTYPE_POWERPC_7400 = 10,
1517 CPU_SUBTYPE_POWERPC_7450 = 11,
1518 CPU_SUBTYPE_POWERPC_970 = 100,
1519
1520 CPU_SUBTYPE_MC980000_ALL = CPU_SUBTYPE_POWERPC_ALL,
1521 CPU_SUBTYPE_MC98601 = CPU_SUBTYPE_POWERPC_601
1522};
1523
Olivier Deprezf4ef2d02021-04-20 13:36:24 +02001524Expected<uint32_t> getCPUType(const Triple &T);
1525Expected<uint32_t> getCPUSubType(const Triple &T);
1526
Andrew Scull5e1ddfa2018-08-14 10:06:54 +01001527struct x86_thread_state32_t {
1528 uint32_t eax;
1529 uint32_t ebx;
1530 uint32_t ecx;
1531 uint32_t edx;
1532 uint32_t edi;
1533 uint32_t esi;
1534 uint32_t ebp;
1535 uint32_t esp;
1536 uint32_t ss;
1537 uint32_t eflags;
1538 uint32_t eip;
1539 uint32_t cs;
1540 uint32_t ds;
1541 uint32_t es;
1542 uint32_t fs;
1543 uint32_t gs;
1544};
1545
1546struct x86_thread_state64_t {
1547 uint64_t rax;
1548 uint64_t rbx;
1549 uint64_t rcx;
1550 uint64_t rdx;
1551 uint64_t rdi;
1552 uint64_t rsi;
1553 uint64_t rbp;
1554 uint64_t rsp;
1555 uint64_t r8;
1556 uint64_t r9;
1557 uint64_t r10;
1558 uint64_t r11;
1559 uint64_t r12;
1560 uint64_t r13;
1561 uint64_t r14;
1562 uint64_t r15;
1563 uint64_t rip;
1564 uint64_t rflags;
1565 uint64_t cs;
1566 uint64_t fs;
1567 uint64_t gs;
1568};
1569
1570enum x86_fp_control_precis {
1571 x86_FP_PREC_24B = 0,
1572 x86_FP_PREC_53B = 2,
1573 x86_FP_PREC_64B = 3
1574};
1575
1576enum x86_fp_control_rc {
1577 x86_FP_RND_NEAR = 0,
1578 x86_FP_RND_DOWN = 1,
1579 x86_FP_RND_UP = 2,
1580 x86_FP_CHOP = 3
1581};
1582
1583struct fp_control_t {
1584 unsigned short invalid : 1, denorm : 1, zdiv : 1, ovrfl : 1, undfl : 1,
1585 precis : 1, : 2, pc : 2, rc : 2, : 1, : 3;
1586};
1587
1588struct fp_status_t {
1589 unsigned short invalid : 1, denorm : 1, zdiv : 1, ovrfl : 1, undfl : 1,
1590 precis : 1, stkflt : 1, errsumm : 1, c0 : 1, c1 : 1, c2 : 1, tos : 3,
1591 c3 : 1, busy : 1;
1592};
1593
1594struct mmst_reg_t {
1595 char mmst_reg[10];
1596 char mmst_rsrv[6];
1597};
1598
1599struct xmm_reg_t {
1600 char xmm_reg[16];
1601};
1602
1603struct x86_float_state64_t {
1604 int32_t fpu_reserved[2];
1605 fp_control_t fpu_fcw;
1606 fp_status_t fpu_fsw;
1607 uint8_t fpu_ftw;
1608 uint8_t fpu_rsrv1;
1609 uint16_t fpu_fop;
1610 uint32_t fpu_ip;
1611 uint16_t fpu_cs;
1612 uint16_t fpu_rsrv2;
1613 uint32_t fpu_dp;
1614 uint16_t fpu_ds;
1615 uint16_t fpu_rsrv3;
1616 uint32_t fpu_mxcsr;
1617 uint32_t fpu_mxcsrmask;
1618 mmst_reg_t fpu_stmm0;
1619 mmst_reg_t fpu_stmm1;
1620 mmst_reg_t fpu_stmm2;
1621 mmst_reg_t fpu_stmm3;
1622 mmst_reg_t fpu_stmm4;
1623 mmst_reg_t fpu_stmm5;
1624 mmst_reg_t fpu_stmm6;
1625 mmst_reg_t fpu_stmm7;
1626 xmm_reg_t fpu_xmm0;
1627 xmm_reg_t fpu_xmm1;
1628 xmm_reg_t fpu_xmm2;
1629 xmm_reg_t fpu_xmm3;
1630 xmm_reg_t fpu_xmm4;
1631 xmm_reg_t fpu_xmm5;
1632 xmm_reg_t fpu_xmm6;
1633 xmm_reg_t fpu_xmm7;
1634 xmm_reg_t fpu_xmm8;
1635 xmm_reg_t fpu_xmm9;
1636 xmm_reg_t fpu_xmm10;
1637 xmm_reg_t fpu_xmm11;
1638 xmm_reg_t fpu_xmm12;
1639 xmm_reg_t fpu_xmm13;
1640 xmm_reg_t fpu_xmm14;
1641 xmm_reg_t fpu_xmm15;
1642 char fpu_rsrv4[6 * 16];
1643 uint32_t fpu_reserved1;
1644};
1645
1646struct x86_exception_state64_t {
1647 uint16_t trapno;
1648 uint16_t cpu;
1649 uint32_t err;
1650 uint64_t faultvaddr;
1651};
1652
1653inline void swapStruct(x86_thread_state32_t &x) {
1654 sys::swapByteOrder(x.eax);
1655 sys::swapByteOrder(x.ebx);
1656 sys::swapByteOrder(x.ecx);
1657 sys::swapByteOrder(x.edx);
1658 sys::swapByteOrder(x.edi);
1659 sys::swapByteOrder(x.esi);
1660 sys::swapByteOrder(x.ebp);
1661 sys::swapByteOrder(x.esp);
1662 sys::swapByteOrder(x.ss);
1663 sys::swapByteOrder(x.eflags);
1664 sys::swapByteOrder(x.eip);
1665 sys::swapByteOrder(x.cs);
1666 sys::swapByteOrder(x.ds);
1667 sys::swapByteOrder(x.es);
1668 sys::swapByteOrder(x.fs);
1669 sys::swapByteOrder(x.gs);
1670}
1671
1672inline void swapStruct(x86_thread_state64_t &x) {
1673 sys::swapByteOrder(x.rax);
1674 sys::swapByteOrder(x.rbx);
1675 sys::swapByteOrder(x.rcx);
1676 sys::swapByteOrder(x.rdx);
1677 sys::swapByteOrder(x.rdi);
1678 sys::swapByteOrder(x.rsi);
1679 sys::swapByteOrder(x.rbp);
1680 sys::swapByteOrder(x.rsp);
1681 sys::swapByteOrder(x.r8);
1682 sys::swapByteOrder(x.r9);
1683 sys::swapByteOrder(x.r10);
1684 sys::swapByteOrder(x.r11);
1685 sys::swapByteOrder(x.r12);
1686 sys::swapByteOrder(x.r13);
1687 sys::swapByteOrder(x.r14);
1688 sys::swapByteOrder(x.r15);
1689 sys::swapByteOrder(x.rip);
1690 sys::swapByteOrder(x.rflags);
1691 sys::swapByteOrder(x.cs);
1692 sys::swapByteOrder(x.fs);
1693 sys::swapByteOrder(x.gs);
1694}
1695
1696inline void swapStruct(x86_float_state64_t &x) {
1697 sys::swapByteOrder(x.fpu_reserved[0]);
1698 sys::swapByteOrder(x.fpu_reserved[1]);
1699 // TODO swap: fp_control_t fpu_fcw;
1700 // TODO swap: fp_status_t fpu_fsw;
1701 sys::swapByteOrder(x.fpu_fop);
1702 sys::swapByteOrder(x.fpu_ip);
1703 sys::swapByteOrder(x.fpu_cs);
1704 sys::swapByteOrder(x.fpu_rsrv2);
1705 sys::swapByteOrder(x.fpu_dp);
1706 sys::swapByteOrder(x.fpu_ds);
1707 sys::swapByteOrder(x.fpu_rsrv3);
1708 sys::swapByteOrder(x.fpu_mxcsr);
1709 sys::swapByteOrder(x.fpu_mxcsrmask);
1710 sys::swapByteOrder(x.fpu_reserved1);
1711}
1712
1713inline void swapStruct(x86_exception_state64_t &x) {
1714 sys::swapByteOrder(x.trapno);
1715 sys::swapByteOrder(x.cpu);
1716 sys::swapByteOrder(x.err);
1717 sys::swapByteOrder(x.faultvaddr);
1718}
1719
1720struct x86_state_hdr_t {
1721 uint32_t flavor;
1722 uint32_t count;
1723};
1724
1725struct x86_thread_state_t {
1726 x86_state_hdr_t tsh;
1727 union {
1728 x86_thread_state64_t ts64;
1729 x86_thread_state32_t ts32;
1730 } uts;
1731};
1732
1733struct x86_float_state_t {
1734 x86_state_hdr_t fsh;
1735 union {
1736 x86_float_state64_t fs64;
1737 } ufs;
1738};
1739
1740struct x86_exception_state_t {
1741 x86_state_hdr_t esh;
1742 union {
1743 x86_exception_state64_t es64;
1744 } ues;
1745};
1746
1747inline void swapStruct(x86_state_hdr_t &x) {
1748 sys::swapByteOrder(x.flavor);
1749 sys::swapByteOrder(x.count);
1750}
1751
1752enum X86ThreadFlavors {
1753 x86_THREAD_STATE32 = 1,
1754 x86_FLOAT_STATE32 = 2,
1755 x86_EXCEPTION_STATE32 = 3,
1756 x86_THREAD_STATE64 = 4,
1757 x86_FLOAT_STATE64 = 5,
1758 x86_EXCEPTION_STATE64 = 6,
1759 x86_THREAD_STATE = 7,
1760 x86_FLOAT_STATE = 8,
1761 x86_EXCEPTION_STATE = 9,
1762 x86_DEBUG_STATE32 = 10,
1763 x86_DEBUG_STATE64 = 11,
1764 x86_DEBUG_STATE = 12
1765};
1766
1767inline void swapStruct(x86_thread_state_t &x) {
1768 swapStruct(x.tsh);
1769 if (x.tsh.flavor == x86_THREAD_STATE64)
1770 swapStruct(x.uts.ts64);
1771}
1772
1773inline void swapStruct(x86_float_state_t &x) {
1774 swapStruct(x.fsh);
1775 if (x.fsh.flavor == x86_FLOAT_STATE64)
1776 swapStruct(x.ufs.fs64);
1777}
1778
1779inline void swapStruct(x86_exception_state_t &x) {
1780 swapStruct(x.esh);
1781 if (x.esh.flavor == x86_EXCEPTION_STATE64)
1782 swapStruct(x.ues.es64);
1783}
1784
1785const uint32_t x86_THREAD_STATE32_COUNT =
1786 sizeof(x86_thread_state32_t) / sizeof(uint32_t);
1787
1788const uint32_t x86_THREAD_STATE64_COUNT =
1789 sizeof(x86_thread_state64_t) / sizeof(uint32_t);
1790const uint32_t x86_FLOAT_STATE64_COUNT =
1791 sizeof(x86_float_state64_t) / sizeof(uint32_t);
1792const uint32_t x86_EXCEPTION_STATE64_COUNT =
1793 sizeof(x86_exception_state64_t) / sizeof(uint32_t);
1794
1795const uint32_t x86_THREAD_STATE_COUNT =
1796 sizeof(x86_thread_state_t) / sizeof(uint32_t);
1797const uint32_t x86_FLOAT_STATE_COUNT =
1798 sizeof(x86_float_state_t) / sizeof(uint32_t);
1799const uint32_t x86_EXCEPTION_STATE_COUNT =
1800 sizeof(x86_exception_state_t) / sizeof(uint32_t);
1801
1802struct arm_thread_state32_t {
1803 uint32_t r[13];
1804 uint32_t sp;
1805 uint32_t lr;
1806 uint32_t pc;
1807 uint32_t cpsr;
1808};
1809
1810inline void swapStruct(arm_thread_state32_t &x) {
1811 for (int i = 0; i < 13; i++)
1812 sys::swapByteOrder(x.r[i]);
1813 sys::swapByteOrder(x.sp);
1814 sys::swapByteOrder(x.lr);
1815 sys::swapByteOrder(x.pc);
1816 sys::swapByteOrder(x.cpsr);
1817}
1818
1819struct arm_thread_state64_t {
1820 uint64_t x[29];
1821 uint64_t fp;
1822 uint64_t lr;
1823 uint64_t sp;
1824 uint64_t pc;
1825 uint32_t cpsr;
1826 uint32_t pad;
1827};
1828
1829inline void swapStruct(arm_thread_state64_t &x) {
1830 for (int i = 0; i < 29; i++)
1831 sys::swapByteOrder(x.x[i]);
1832 sys::swapByteOrder(x.fp);
1833 sys::swapByteOrder(x.lr);
1834 sys::swapByteOrder(x.sp);
1835 sys::swapByteOrder(x.pc);
1836 sys::swapByteOrder(x.cpsr);
1837}
1838
1839struct arm_state_hdr_t {
1840 uint32_t flavor;
1841 uint32_t count;
1842};
1843
1844struct arm_thread_state_t {
1845 arm_state_hdr_t tsh;
1846 union {
1847 arm_thread_state32_t ts32;
1848 } uts;
1849};
1850
1851inline void swapStruct(arm_state_hdr_t &x) {
1852 sys::swapByteOrder(x.flavor);
1853 sys::swapByteOrder(x.count);
1854}
1855
1856enum ARMThreadFlavors {
1857 ARM_THREAD_STATE = 1,
1858 ARM_VFP_STATE = 2,
1859 ARM_EXCEPTION_STATE = 3,
1860 ARM_DEBUG_STATE = 4,
1861 ARN_THREAD_STATE_NONE = 5,
1862 ARM_THREAD_STATE64 = 6,
1863 ARM_EXCEPTION_STATE64 = 7
1864};
1865
1866inline void swapStruct(arm_thread_state_t &x) {
1867 swapStruct(x.tsh);
1868 if (x.tsh.flavor == ARM_THREAD_STATE)
1869 swapStruct(x.uts.ts32);
1870}
1871
1872const uint32_t ARM_THREAD_STATE_COUNT =
1873 sizeof(arm_thread_state32_t) / sizeof(uint32_t);
1874
1875const uint32_t ARM_THREAD_STATE64_COUNT =
1876 sizeof(arm_thread_state64_t) / sizeof(uint32_t);
1877
1878struct ppc_thread_state32_t {
1879 uint32_t srr0;
1880 uint32_t srr1;
1881 uint32_t r0;
1882 uint32_t r1;
1883 uint32_t r2;
1884 uint32_t r3;
1885 uint32_t r4;
1886 uint32_t r5;
1887 uint32_t r6;
1888 uint32_t r7;
1889 uint32_t r8;
1890 uint32_t r9;
1891 uint32_t r10;
1892 uint32_t r11;
1893 uint32_t r12;
1894 uint32_t r13;
1895 uint32_t r14;
1896 uint32_t r15;
1897 uint32_t r16;
1898 uint32_t r17;
1899 uint32_t r18;
1900 uint32_t r19;
1901 uint32_t r20;
1902 uint32_t r21;
1903 uint32_t r22;
1904 uint32_t r23;
1905 uint32_t r24;
1906 uint32_t r25;
1907 uint32_t r26;
1908 uint32_t r27;
1909 uint32_t r28;
1910 uint32_t r29;
1911 uint32_t r30;
1912 uint32_t r31;
1913 uint32_t ct;
1914 uint32_t xer;
1915 uint32_t lr;
1916 uint32_t ctr;
1917 uint32_t mq;
1918 uint32_t vrsave;
1919};
1920
1921inline void swapStruct(ppc_thread_state32_t &x) {
1922 sys::swapByteOrder(x.srr0);
1923 sys::swapByteOrder(x.srr1);
1924 sys::swapByteOrder(x.r0);
1925 sys::swapByteOrder(x.r1);
1926 sys::swapByteOrder(x.r2);
1927 sys::swapByteOrder(x.r3);
1928 sys::swapByteOrder(x.r4);
1929 sys::swapByteOrder(x.r5);
1930 sys::swapByteOrder(x.r6);
1931 sys::swapByteOrder(x.r7);
1932 sys::swapByteOrder(x.r8);
1933 sys::swapByteOrder(x.r9);
1934 sys::swapByteOrder(x.r10);
1935 sys::swapByteOrder(x.r11);
1936 sys::swapByteOrder(x.r12);
1937 sys::swapByteOrder(x.r13);
1938 sys::swapByteOrder(x.r14);
1939 sys::swapByteOrder(x.r15);
1940 sys::swapByteOrder(x.r16);
1941 sys::swapByteOrder(x.r17);
1942 sys::swapByteOrder(x.r18);
1943 sys::swapByteOrder(x.r19);
1944 sys::swapByteOrder(x.r20);
1945 sys::swapByteOrder(x.r21);
1946 sys::swapByteOrder(x.r22);
1947 sys::swapByteOrder(x.r23);
1948 sys::swapByteOrder(x.r24);
1949 sys::swapByteOrder(x.r25);
1950 sys::swapByteOrder(x.r26);
1951 sys::swapByteOrder(x.r27);
1952 sys::swapByteOrder(x.r28);
1953 sys::swapByteOrder(x.r29);
1954 sys::swapByteOrder(x.r30);
1955 sys::swapByteOrder(x.r31);
1956 sys::swapByteOrder(x.ct);
1957 sys::swapByteOrder(x.xer);
1958 sys::swapByteOrder(x.lr);
1959 sys::swapByteOrder(x.ctr);
1960 sys::swapByteOrder(x.mq);
1961 sys::swapByteOrder(x.vrsave);
1962}
1963
1964struct ppc_state_hdr_t {
1965 uint32_t flavor;
1966 uint32_t count;
1967};
1968
1969struct ppc_thread_state_t {
1970 ppc_state_hdr_t tsh;
1971 union {
1972 ppc_thread_state32_t ts32;
1973 } uts;
1974};
1975
1976inline void swapStruct(ppc_state_hdr_t &x) {
1977 sys::swapByteOrder(x.flavor);
1978 sys::swapByteOrder(x.count);
1979}
1980
1981enum PPCThreadFlavors {
1982 PPC_THREAD_STATE = 1,
1983 PPC_FLOAT_STATE = 2,
1984 PPC_EXCEPTION_STATE = 3,
1985 PPC_VECTOR_STATE = 4,
1986 PPC_THREAD_STATE64 = 5,
1987 PPC_EXCEPTION_STATE64 = 6,
1988 PPC_THREAD_STATE_NONE = 7
1989};
1990
1991inline void swapStruct(ppc_thread_state_t &x) {
1992 swapStruct(x.tsh);
1993 if (x.tsh.flavor == PPC_THREAD_STATE)
1994 swapStruct(x.uts.ts32);
1995}
1996
1997const uint32_t PPC_THREAD_STATE_COUNT =
1998 sizeof(ppc_thread_state32_t) / sizeof(uint32_t);
1999
2000// Define a union of all load command structs
2001#define LOAD_COMMAND_STRUCT(LCStruct) LCStruct LCStruct##_data;
2002
Andrew Scullcdfcccc2018-10-05 20:58:37 +01002003LLVM_PACKED_START
2004union alignas(4) macho_load_command {
Andrew Scull5e1ddfa2018-08-14 10:06:54 +01002005#include "llvm/BinaryFormat/MachO.def"
2006};
Andrew Scullcdfcccc2018-10-05 20:58:37 +01002007LLVM_PACKED_END
Andrew Scull5e1ddfa2018-08-14 10:06:54 +01002008
2009} // end namespace MachO
2010} // end namespace llvm
2011
2012#endif