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Imported Upstream version 1.0.0+dfsg1
[rustc.git] / src / llvm / include / llvm / Support / MachO.h
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223e47cc
LB		 1//===-- 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
1a4d82fc 17#include "llvm/Support/Compiler.h"
223e47cc 18#include "llvm/Support/DataTypes.h"
1a4d82fc 19#include "llvm/Support/Host.h"
223e47cc 20
223e47cc
LB		 21namespace llvm {
22 namespace MachO {
23 // Enums from <mach-o/loader.h>
1a4d82fc 24 enum : uint32_t {
223e47cc
LB		 25 // Constants for the "magic" field in llvm::MachO::mach_header and
26 // llvm::MachO::mach_header_64
1a4d82fc
JJ		 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 };
223e47cc 34
1a4d82fc 35 enum HeaderFileType {
223e47cc
LB		 36 // Constants for the "filetype" field in llvm::MachO::mach_header and
37 // llvm::MachO::mach_header_64
1a4d82fc
JJ		 38 MH_OBJECT = 0x1u,
39 MH_EXECUTE = 0x2u,
40 MH_FVMLIB = 0x3u,
41 MH_CORE = 0x4u,
42 MH_PRELOAD = 0x5u,
43 MH_DYLIB = 0x6u,
44 MH_DYLINKER = 0x7u,
45 MH_BUNDLE = 0x8u,
46 MH_DYLIB_STUB = 0x9u,
47 MH_DSYM = 0xAu,
48 MH_KEXT_BUNDLE = 0xBu
49 };
223e47cc 50
1a4d82fc 51 enum {
223e47cc
LB		 52 // Constant bits for the "flags" field in llvm::MachO::mach_header and
53 // llvm::MachO::mach_header_64
1a4d82fc
JJ		 54 MH_NOUNDEFS = 0x00000001u,
55 MH_INCRLINK = 0x00000002u,
56 MH_DYLDLINK = 0x00000004u,
57 MH_BINDATLOAD = 0x00000008u,
58 MH_PREBOUND = 0x00000010u,
59 MH_SPLIT_SEGS = 0x00000020u,
60 MH_LAZY_INIT = 0x00000040u,
61 MH_TWOLEVEL = 0x00000080u,
62 MH_FORCE_FLAT = 0x00000100u,
63 MH_NOMULTIDEFS = 0x00000200u,
64 MH_NOFIXPREBINDING = 0x00000400u,
65 MH_PREBINDABLE = 0x00000800u,
66 MH_ALLMODSBOUND = 0x00001000u,
67 MH_SUBSECTIONS_VIA_SYMBOLS = 0x00002000u,
68 MH_CANONICAL = 0x00004000u,
69 MH_WEAK_DEFINES = 0x00008000u,
70 MH_BINDS_TO_WEAK = 0x00010000u,
71 MH_ALLOW_STACK_EXECUTION = 0x00020000u,
72 MH_ROOT_SAFE = 0x00040000u,
73 MH_SETUID_SAFE = 0x00080000u,
74 MH_NO_REEXPORTED_DYLIBS = 0x00100000u,
75 MH_PIE = 0x00200000u,
76 MH_DEAD_STRIPPABLE_DYLIB = 0x00400000u,
77 MH_HAS_TLV_DESCRIPTORS = 0x00800000u,
78 MH_NO_HEAP_EXECUTION = 0x01000000u,
79 MH_APP_EXTENSION_SAFE = 0x02000000u
80 };
223e47cc 81
1a4d82fc
JJ		 82 enum : uint32_t {
83 // Flags for the "cmd" field in llvm::MachO::load_command
84 LC_REQ_DYLD = 0x80000000u
85 };
86
87 enum LoadCommandType : uint32_t {
223e47cc 88 // Constants for the "cmd" field in llvm::MachO::load_command
1a4d82fc
JJ		 89 LC_SEGMENT = 0x00000001u,
90 LC_SYMTAB = 0x00000002u,
91 LC_SYMSEG = 0x00000003u,
92 LC_THREAD = 0x00000004u,
93 LC_UNIXTHREAD = 0x00000005u,
94 LC_LOADFVMLIB = 0x00000006u,
95 LC_IDFVMLIB = 0x00000007u,
96 LC_IDENT = 0x00000008u,
97 LC_FVMFILE = 0x00000009u,
98 LC_PREPAGE = 0x0000000Au,
99 LC_DYSYMTAB = 0x0000000Bu,
100 LC_LOAD_DYLIB = 0x0000000Cu,
101 LC_ID_DYLIB = 0x0000000Du,
102 LC_LOAD_DYLINKER = 0x0000000Eu,
103 LC_ID_DYLINKER = 0x0000000Fu,
104 LC_PREBOUND_DYLIB = 0x00000010u,
105 LC_ROUTINES = 0x00000011u,
106 LC_SUB_FRAMEWORK = 0x00000012u,
107 LC_SUB_UMBRELLA = 0x00000013u,
108 LC_SUB_CLIENT = 0x00000014u,
109 LC_SUB_LIBRARY = 0x00000015u,
110 LC_TWOLEVEL_HINTS = 0x00000016u,
111 LC_PREBIND_CKSUM = 0x00000017u,
112 LC_LOAD_WEAK_DYLIB = 0x80000018u,
113 LC_SEGMENT_64 = 0x00000019u,
114 LC_ROUTINES_64 = 0x0000001Au,
115 LC_UUID = 0x0000001Bu,
116 LC_RPATH = 0x8000001Cu,
117 LC_CODE_SIGNATURE = 0x0000001Du,
118 LC_SEGMENT_SPLIT_INFO = 0x0000001Eu,
119 LC_REEXPORT_DYLIB = 0x8000001Fu,
120 LC_LAZY_LOAD_DYLIB = 0x00000020u,
121 LC_ENCRYPTION_INFO = 0x00000021u,
122 LC_DYLD_INFO = 0x00000022u,
123 LC_DYLD_INFO_ONLY = 0x80000022u,
124 LC_LOAD_UPWARD_DYLIB = 0x80000023u,
125 LC_VERSION_MIN_MACOSX = 0x00000024u,
126 LC_VERSION_MIN_IPHONEOS = 0x00000025u,
127 LC_FUNCTION_STARTS = 0x00000026u,
128 LC_DYLD_ENVIRONMENT = 0x00000027u,
129 LC_MAIN = 0x80000028u,
130 LC_DATA_IN_CODE = 0x00000029u,
131 LC_SOURCE_VERSION = 0x0000002Au,
132 LC_DYLIB_CODE_SIGN_DRS = 0x0000002Bu,
85aaf69f
SL		 133 LC_ENCRYPTION_INFO_64 = 0x0000002Cu,
134 LC_LINKER_OPTION = 0x0000002Du,
1a4d82fc
JJ		 135 LC_LINKER_OPTIMIZATION_HINT = 0x0000002Eu
136 };
223e47cc 137
1a4d82fc 138 enum : uint32_t {
223e47cc 139 // Constant bits for the "flags" field in llvm::MachO::segment_command
1a4d82fc
JJ		 140 SG_HIGHVM = 0x1u,
141 SG_FVMLIB = 0x2u,
142 SG_NORELOC = 0x4u,
143 SG_PROTECTED_VERSION_1 = 0x8u,
223e47cc
LB		 144
145
146 // Constant masks for the "flags" field in llvm::MachO::section and
147 // llvm::MachO::section_64
1a4d82fc
JJ		 148 SECTION_TYPE = 0x000000ffu, // SECTION_TYPE
149 SECTION_ATTRIBUTES = 0xffffff00u, // SECTION_ATTRIBUTES
150 SECTION_ATTRIBUTES_USR = 0xff000000u, // SECTION_ATTRIBUTES_USR
151 SECTION_ATTRIBUTES_SYS = 0x00ffff00u // SECTION_ATTRIBUTES_SYS
152 };
223e47cc 153
1a4d82fc
JJ		 154 /// These are the section type and attributes fields. A MachO section can
155 /// have only one Type, but can have any of the attributes specified.
156 enum SectionType : uint32_t {
223e47cc
LB		 157 // Constant masks for the "flags[7:0]" field in llvm::MachO::section and
158 // llvm::MachO::section_64 (mask "flags" with SECTION_TYPE)
223e47cc 159
1a4d82fc
JJ		 160 /// S_REGULAR - Regular section.
161 S_REGULAR = 0x00u,
162 /// S_ZEROFILL - Zero fill on demand section.
163 S_ZEROFILL = 0x01u,
164 /// S_CSTRING_LITERALS - Section with literal C strings.
165 S_CSTRING_LITERALS = 0x02u,
166 /// S_4BYTE_LITERALS - Section with 4 byte literals.
167 S_4BYTE_LITERALS = 0x03u,
168 /// S_8BYTE_LITERALS - Section with 8 byte literals.
169 S_8BYTE_LITERALS = 0x04u,
170 /// S_LITERAL_POINTERS - Section with pointers to literals.
171 S_LITERAL_POINTERS = 0x05u,
172 /// S_NON_LAZY_SYMBOL_POINTERS - Section with non-lazy symbol pointers.
173 S_NON_LAZY_SYMBOL_POINTERS = 0x06u,
174 /// S_LAZY_SYMBOL_POINTERS - Section with lazy symbol pointers.
175 S_LAZY_SYMBOL_POINTERS = 0x07u,
176 /// S_SYMBOL_STUBS - Section with symbol stubs, byte size of stub in
177 /// the Reserved2 field.
178 S_SYMBOL_STUBS = 0x08u,
179 /// S_MOD_INIT_FUNC_POINTERS - Section with only function pointers for
180 /// initialization.
181 S_MOD_INIT_FUNC_POINTERS = 0x09u,
182 /// S_MOD_TERM_FUNC_POINTERS - Section with only function pointers for
183 /// termination.
184 S_MOD_TERM_FUNC_POINTERS = 0x0au,
185 /// S_COALESCED - Section contains symbols that are to be coalesced.
186 S_COALESCED = 0x0bu,
187 /// S_GB_ZEROFILL - Zero fill on demand section (that can be larger than 4
188 /// gigabytes).
189 S_GB_ZEROFILL = 0x0cu,
190 /// S_INTERPOSING - Section with only pairs of function pointers for
191 /// interposing.
192 S_INTERPOSING = 0x0du,
193 /// S_16BYTE_LITERALS - Section with only 16 byte literals.
194 S_16BYTE_LITERALS = 0x0eu,
195 /// S_DTRACE_DOF - Section contains DTrace Object Format.
196 S_DTRACE_DOF = 0x0fu,
197 /// S_LAZY_DYLIB_SYMBOL_POINTERS - Section with lazy symbol pointers to
198 /// lazy loaded dylibs.
199 S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10u,
200 /// S_THREAD_LOCAL_REGULAR - Thread local data section.
201 S_THREAD_LOCAL_REGULAR = 0x11u,
202 /// S_THREAD_LOCAL_ZEROFILL - Thread local zerofill section.
203 S_THREAD_LOCAL_ZEROFILL = 0x12u,
204 /// S_THREAD_LOCAL_VARIABLES - Section with thread local variable
205 /// structure data.
206 S_THREAD_LOCAL_VARIABLES = 0x13u,
207 /// S_THREAD_LOCAL_VARIABLE_POINTERS - Section with pointers to thread
208 /// local structures.
209 S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14u,
210 /// S_THREAD_LOCAL_INIT_FUNCTION_POINTERS - Section with thread local
211 /// variable initialization pointers to functions.
212 S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u,
213
214 LAST_KNOWN_SECTION_TYPE = S_THREAD_LOCAL_INIT_FUNCTION_POINTERS
215 };
216
217 enum : uint32_t {
223e47cc
LB		 218 // Constant masks for the "flags[31:24]" field in llvm::MachO::section and
219 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_USR)
1a4d82fc
JJ		 220
221 /// S_ATTR_PURE_INSTRUCTIONS - Section contains only true machine
222 /// instructions.
223 S_ATTR_PURE_INSTRUCTIONS = 0x80000000u,
224 /// S_ATTR_NO_TOC - Section contains coalesced symbols that are not to be
225 /// in a ranlib table of contents.
226 S_ATTR_NO_TOC = 0x40000000u,
227 /// S_ATTR_STRIP_STATIC_SYMS - Ok to strip static symbols in this section
228 /// in files with the MY_DYLDLINK flag.
229 S_ATTR_STRIP_STATIC_SYMS = 0x20000000u,
230 /// S_ATTR_NO_DEAD_STRIP - No dead stripping.
231 S_ATTR_NO_DEAD_STRIP = 0x10000000u,
232 /// S_ATTR_LIVE_SUPPORT - Blocks are live if they reference live blocks.
233 S_ATTR_LIVE_SUPPORT = 0x08000000u,
234 /// S_ATTR_SELF_MODIFYING_CODE - Used with i386 code stubs written on by
235 /// dyld.
236 S_ATTR_SELF_MODIFYING_CODE = 0x04000000u,
237 /// S_ATTR_DEBUG - A debug section.
238 S_ATTR_DEBUG = 0x02000000u,
223e47cc
LB		 239
240 // Constant masks for the "flags[23:8]" field in llvm::MachO::section and
241 // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_SYS)
223e47cc 242
1a4d82fc
JJ		 243 /// S_ATTR_SOME_INSTRUCTIONS - Section contains some machine instructions.
244 S_ATTR_SOME_INSTRUCTIONS = 0x00000400u,
245 /// S_ATTR_EXT_RELOC - Section has external relocation entries.
246 S_ATTR_EXT_RELOC = 0x00000200u,
247 /// S_ATTR_LOC_RELOC - Section has local relocation entries.
248 S_ATTR_LOC_RELOC = 0x00000100u,
249
250 // Constant masks for the value of an indirect symbol in an indirect
251 // symbol table
252 INDIRECT_SYMBOL_LOCAL = 0x80000000u,
253 INDIRECT_SYMBOL_ABS = 0x40000000u
254 };
255
256 enum DataRegionType {
257 // Constants for the "kind" field in a data_in_code_entry structure
258 DICE_KIND_DATA = 1u,
259 DICE_KIND_JUMP_TABLE8 = 2u,
260 DICE_KIND_JUMP_TABLE16 = 3u,
261 DICE_KIND_JUMP_TABLE32 = 4u,
262 DICE_KIND_ABS_JUMP_TABLE32 = 5u
263 };
264
265 enum RebaseType {
266 REBASE_TYPE_POINTER = 1u,
267 REBASE_TYPE_TEXT_ABSOLUTE32 = 2u,
268 REBASE_TYPE_TEXT_PCREL32 = 3u
269 };
270
271 enum {
272 REBASE_OPCODE_MASK = 0xF0u,
273 REBASE_IMMEDIATE_MASK = 0x0Fu
274 };
223e47cc 275
1a4d82fc
JJ		 276 enum RebaseOpcode {
277 REBASE_OPCODE_DONE = 0x00u,
278 REBASE_OPCODE_SET_TYPE_IMM = 0x10u,
279 REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x20u,
280 REBASE_OPCODE_ADD_ADDR_ULEB = 0x30u,
281 REBASE_OPCODE_ADD_ADDR_IMM_SCALED = 0x40u,
282 REBASE_OPCODE_DO_REBASE_IMM_TIMES = 0x50u,
283 REBASE_OPCODE_DO_REBASE_ULEB_TIMES = 0x60u,
284 REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB = 0x70u,
285 REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB = 0x80u
286 };
287
288 enum BindType {
289 BIND_TYPE_POINTER = 1u,
290 BIND_TYPE_TEXT_ABSOLUTE32 = 2u,
291 BIND_TYPE_TEXT_PCREL32 = 3u
292 };
293
294 enum BindSpecialDylib {
295 BIND_SPECIAL_DYLIB_SELF = 0,
296 BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1,
297 BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2
298 };
299
300 enum {
301 BIND_SYMBOL_FLAGS_WEAK_IMPORT = 0x1u,
302 BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION = 0x8u,
303
304 BIND_OPCODE_MASK = 0xF0u,
305 BIND_IMMEDIATE_MASK = 0x0Fu
306 };
307
308 enum BindOpcode {
309 BIND_OPCODE_DONE = 0x00u,
310 BIND_OPCODE_SET_DYLIB_ORDINAL_IMM = 0x10u,
311 BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB = 0x20u,
312 BIND_OPCODE_SET_DYLIB_SPECIAL_IMM = 0x30u,
313 BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM = 0x40u,
314 BIND_OPCODE_SET_TYPE_IMM = 0x50u,
315 BIND_OPCODE_SET_ADDEND_SLEB = 0x60u,
316 BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x70u,
317 BIND_OPCODE_ADD_ADDR_ULEB = 0x80u,
318 BIND_OPCODE_DO_BIND = 0x90u,
319 BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB = 0xA0u,
320 BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED = 0xB0u,
321 BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB = 0xC0u
322 };
323
324 enum {
325 EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03u,
326 EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04u,
327 EXPORT_SYMBOL_FLAGS_REEXPORT = 0x08u,
328 EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10u
329 };
330
331 enum ExportSymbolKind {
332 EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00u,
333 EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01u,
334 EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE = 0x02u
335 };
336
337
338 enum {
223e47cc
LB		 339 // Constant masks for the "n_type" field in llvm::MachO::nlist and
340 // llvm::MachO::nlist_64
1a4d82fc
JJ		 341 N_STAB = 0xe0,
342 N_PEXT = 0x10,
343 N_TYPE = 0x0e,
344 N_EXT = 0x01
345 };
223e47cc 346
1a4d82fc 347 enum NListType {
223e47cc
LB		 348 // Constants for the "n_type & N_TYPE" llvm::MachO::nlist and
349 // llvm::MachO::nlist_64
1a4d82fc
JJ		 350 N_UNDF = 0x0u,
351 N_ABS = 0x2u,
352 N_SECT = 0xeu,
353 N_PBUD = 0xcu,
354 N_INDR = 0xau
355 };
223e47cc 356
1a4d82fc
JJ		 357 enum SectionOrdinal {
358 // Constants for the "n_sect" field in llvm::MachO::nlist and
223e47cc 359 // llvm::MachO::nlist_64
1a4d82fc
JJ		 360 NO_SECT = 0u,
361 MAX_SECT = 0xffu
362 };
223e47cc 363
1a4d82fc
JJ		 364 enum {
365 // Constant masks for the "n_desc" field in llvm::MachO::nlist and
366 // llvm::MachO::nlist_64
367 // The low 3 bits are the for the REFERENCE_TYPE.
368 REFERENCE_TYPE = 0x7,
369 REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0,
370 REFERENCE_FLAG_UNDEFINED_LAZY = 1,
371 REFERENCE_FLAG_DEFINED = 2,
372 REFERENCE_FLAG_PRIVATE_DEFINED = 3,
373 REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4,
374 REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5,
375 // Flag bits (some overlap with the library ordinal bits).
376 N_ARM_THUMB_DEF = 0x0008u,
377 REFERENCED_DYNAMICALLY = 0x0010u,
378 N_NO_DEAD_STRIP = 0x0020u,
379 N_WEAK_REF = 0x0040u,
380 N_WEAK_DEF = 0x0080u,
381 N_SYMBOL_RESOLVER = 0x0100u,
382 N_ALT_ENTRY = 0x0200u,
383 // For undefined symbols coming from libraries, see GET_LIBRARY_ORDINAL()
384 // as these are in the top 8 bits.
385 SELF_LIBRARY_ORDINAL = 0x0,
386 MAX_LIBRARY_ORDINAL = 0xfd,
387 DYNAMIC_LOOKUP_ORDINAL = 0xfe,
388 EXECUTABLE_ORDINAL = 0xff
389 };
223e47cc 390
1a4d82fc 391 enum StabType {
223e47cc 392 // Constant values for the "n_type" field in llvm::MachO::nlist and
1a4d82fc
JJ		 393 // llvm::MachO::nlist_64 when "(n_type & N_STAB) != 0"
394 N_GSYM = 0x20u,
395 N_FNAME = 0x22u,
396 N_FUN = 0x24u,
397 N_STSYM = 0x26u,
398 N_LCSYM = 0x28u,
399 N_BNSYM = 0x2Eu,
400 N_PC = 0x30u,
401 N_AST = 0x32u,
402 N_OPT = 0x3Cu,
403 N_RSYM = 0x40u,
404 N_SLINE = 0x44u,
405 N_ENSYM = 0x4Eu,
406 N_SSYM = 0x60u,
407 N_SO = 0x64u,
408 N_OSO = 0x66u,
409 N_LSYM = 0x80u,
410 N_BINCL = 0x82u,
411 N_SOL = 0x84u,
412 N_PARAMS = 0x86u,
413 N_VERSION = 0x88u,
414 N_OLEVEL = 0x8Au,
415 N_PSYM = 0xA0u,
416 N_EINCL = 0xA2u,
417 N_ENTRY = 0xA4u,
418 N_LBRAC = 0xC0u,
419 N_EXCL = 0xC2u,
420 N_RBRAC = 0xE0u,
421 N_BCOMM = 0xE2u,
422 N_ECOMM = 0xE4u,
423 N_ECOML = 0xE8u,
424 N_LENG = 0xFEu
425 };
426
427 enum : uint32_t {
428 // Constant values for the r_symbolnum field in an
429 // llvm::MachO::relocation_info structure when r_extern is 0.
430 R_ABS = 0,
431
432 // Constant bits for the r_address field in an
433 // llvm::MachO::relocation_info structure.
434 R_SCATTERED = 0x80000000
435 };
223e47cc 436
1a4d82fc
JJ		 437 enum RelocationInfoType {
438 // Constant values for the r_type field in an
439 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
440 // structure.
441 GENERIC_RELOC_VANILLA = 0,
442 GENERIC_RELOC_PAIR = 1,
443 GENERIC_RELOC_SECTDIFF = 2,
444 GENERIC_RELOC_PB_LA_PTR = 3,
445 GENERIC_RELOC_LOCAL_SECTDIFF = 4,
446 GENERIC_RELOC_TLV = 5,
447
448 // Constant values for the r_type field in a PowerPC architecture
449 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
450 // structure.
451 PPC_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
452 PPC_RELOC_PAIR = GENERIC_RELOC_PAIR,
453 PPC_RELOC_BR14 = 2,
454 PPC_RELOC_BR24 = 3,
455 PPC_RELOC_HI16 = 4,
456 PPC_RELOC_LO16 = 5,
457 PPC_RELOC_HA16 = 6,
458 PPC_RELOC_LO14 = 7,
459 PPC_RELOC_SECTDIFF = 8,
460 PPC_RELOC_PB_LA_PTR = 9,
461 PPC_RELOC_HI16_SECTDIFF = 10,
462 PPC_RELOC_LO16_SECTDIFF = 11,
463 PPC_RELOC_HA16_SECTDIFF = 12,
464 PPC_RELOC_JBSR = 13,
465 PPC_RELOC_LO14_SECTDIFF = 14,
466 PPC_RELOC_LOCAL_SECTDIFF = 15,
467
468 // Constant values for the r_type field in an ARM architecture
469 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
470 // structure.
471 ARM_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
472 ARM_RELOC_PAIR = GENERIC_RELOC_PAIR,
473 ARM_RELOC_SECTDIFF = GENERIC_RELOC_SECTDIFF,
474 ARM_RELOC_LOCAL_SECTDIFF = 3,
475 ARM_RELOC_PB_LA_PTR = 4,
476 ARM_RELOC_BR24 = 5,
477 ARM_THUMB_RELOC_BR22 = 6,
478 ARM_THUMB_32BIT_BRANCH = 7, // obsolete
479 ARM_RELOC_HALF = 8,
480 ARM_RELOC_HALF_SECTDIFF = 9,
481
482 // Constant values for the r_type field in an ARM64 architecture
483 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
484 // structure.
485
486 // For pointers.
487 ARM64_RELOC_UNSIGNED = 0,
488 // Must be followed by an ARM64_RELOC_UNSIGNED
489 ARM64_RELOC_SUBTRACTOR = 1,
490 // A B/BL instruction with 26-bit displacement.
491 ARM64_RELOC_BRANCH26 = 2,
492 // PC-rel distance to page of target.
493 ARM64_RELOC_PAGE21 = 3,
494 // Offset within page, scaled by r_length.
495 ARM64_RELOC_PAGEOFF12 = 4,
496 // PC-rel distance to page of GOT slot.
497 ARM64_RELOC_GOT_LOAD_PAGE21 = 5,
498 // Offset within page of GOT slot, scaled by r_length.
499 ARM64_RELOC_GOT_LOAD_PAGEOFF12 = 6,
500 // For pointers to GOT slots.
501 ARM64_RELOC_POINTER_TO_GOT = 7,
502 // PC-rel distance to page of TLVP slot.
503 ARM64_RELOC_TLVP_LOAD_PAGE21 = 8,
504 // Offset within page of TLVP slot, scaled by r_length.
505 ARM64_RELOC_TLVP_LOAD_PAGEOFF12 = 9,
506 // Must be followed by ARM64_RELOC_PAGE21 or ARM64_RELOC_PAGEOFF12.
507 ARM64_RELOC_ADDEND = 10,
508
509
510 // Constant values for the r_type field in an x86_64 architecture
511 // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
512 // structure
513 X86_64_RELOC_UNSIGNED = 0,
514 X86_64_RELOC_SIGNED = 1,
515 X86_64_RELOC_BRANCH = 2,
516 X86_64_RELOC_GOT_LOAD = 3,
517 X86_64_RELOC_GOT = 4,
518 X86_64_RELOC_SUBTRACTOR = 5,
519 X86_64_RELOC_SIGNED_1 = 6,
520 X86_64_RELOC_SIGNED_2 = 7,
521 X86_64_RELOC_SIGNED_4 = 8,
522 X86_64_RELOC_TLV = 9
223e47cc
LB		 523 };
524
1a4d82fc
JJ		 525 // Values for segment_command.initprot.
526 // From <mach/vm_prot.h>
527 enum {
528 VM_PROT_READ = 0x1,
529 VM_PROT_WRITE = 0x2,
530 VM_PROT_EXECUTE = 0x4
531 };
532
533
223e47cc
LB		 534 // Structs from <mach-o/loader.h>
535
536 struct mach_header {
537 uint32_t magic;
538 uint32_t cputype;
539 uint32_t cpusubtype;
540 uint32_t filetype;
541 uint32_t ncmds;
542 uint32_t sizeofcmds;
543 uint32_t flags;
544 };
545
546 struct mach_header_64 {
547 uint32_t magic;
548 uint32_t cputype;
549 uint32_t cpusubtype;
550 uint32_t filetype;
551 uint32_t ncmds;
552 uint32_t sizeofcmds;
553 uint32_t flags;
554 uint32_t reserved;
555 };
556
557 struct load_command {
558 uint32_t cmd;
559 uint32_t cmdsize;
560 };
561
562 struct segment_command {
563 uint32_t cmd;
564 uint32_t cmdsize;
565 char segname[16];
566 uint32_t vmaddr;
567 uint32_t vmsize;
568 uint32_t fileoff;
569 uint32_t filesize;
570 uint32_t maxprot;
571 uint32_t initprot;
572 uint32_t nsects;
573 uint32_t flags;
574 };
575
576 struct segment_command_64 {
577 uint32_t cmd;
578 uint32_t cmdsize;
579 char segname[16];
580 uint64_t vmaddr;
581 uint64_t vmsize;
582 uint64_t fileoff;
583 uint64_t filesize;
584 uint32_t maxprot;
585 uint32_t initprot;
586 uint32_t nsects;
587 uint32_t flags;
588 };
589
590 struct section {
591 char sectname[16];
592 char segname[16];
593 uint32_t addr;
594 uint32_t size;
595 uint32_t offset;
596 uint32_t align;
597 uint32_t reloff;
598 uint32_t nreloc;
599 uint32_t flags;
600 uint32_t reserved1;
601 uint32_t reserved2;
602 };
603
604 struct section_64 {
605 char sectname[16];
606 char segname[16];
607 uint64_t addr;
608 uint64_t size;
609 uint32_t offset;
610 uint32_t align;
611 uint32_t reloff;
612 uint32_t nreloc;
613 uint32_t flags;
614 uint32_t reserved1;
615 uint32_t reserved2;
616 uint32_t reserved3;
617 };
618
619 struct fvmlib {
620 uint32_t name;
621 uint32_t minor_version;
622 uint32_t header_addr;
623 };
624
625 struct fvmlib_command {
626 uint32_t cmd;
627 uint32_t cmdsize;
628 struct fvmlib fvmlib;
629 };
630
631 struct dylib {
632 uint32_t name;
633 uint32_t timestamp;
634 uint32_t current_version;
635 uint32_t compatibility_version;
636 };
637
638 struct dylib_command {
639 uint32_t cmd;
640 uint32_t cmdsize;
641 struct dylib dylib;
642 };
643
644 struct sub_framework_command {
645 uint32_t cmd;
646 uint32_t cmdsize;
647 uint32_t umbrella;
648 };
649
650 struct sub_client_command {
651 uint32_t cmd;
652 uint32_t cmdsize;
653 uint32_t client;
654 };
655
656 struct sub_umbrella_command {
657 uint32_t cmd;
658 uint32_t cmdsize;
659 uint32_t sub_umbrella;
660 };
661
662 struct sub_library_command {
663 uint32_t cmd;
664 uint32_t cmdsize;
665 uint32_t sub_library;
666 };
667
668 struct prebound_dylib_command {
669 uint32_t cmd;
670 uint32_t cmdsize;
671 uint32_t name;
672 uint32_t nmodules;
673 uint32_t linked_modules;
674 };
675
676 struct dylinker_command {
677 uint32_t cmd;
678 uint32_t cmdsize;
679 uint32_t name;
680 };
681
682 struct thread_command {
683 uint32_t cmd;
684 uint32_t cmdsize;
685 };
686
687 struct routines_command {
688 uint32_t cmd;
689 uint32_t cmdsize;
690 uint32_t init_address;
691 uint32_t init_module;
692 uint32_t reserved1;
693 uint32_t reserved2;
694 uint32_t reserved3;
695 uint32_t reserved4;
696 uint32_t reserved5;
697 uint32_t reserved6;
698 };
699
700 struct routines_command_64 {
701 uint32_t cmd;
702 uint32_t cmdsize;
703 uint64_t init_address;
704 uint64_t init_module;
705 uint64_t reserved1;
706 uint64_t reserved2;
707 uint64_t reserved3;
708 uint64_t reserved4;
709 uint64_t reserved5;
710 uint64_t reserved6;
711 };
712
713 struct symtab_command {
714 uint32_t cmd;
715 uint32_t cmdsize;
716 uint32_t symoff;
717 uint32_t nsyms;
718 uint32_t stroff;
719 uint32_t strsize;
720 };
721
722 struct dysymtab_command {
723 uint32_t cmd;
724 uint32_t cmdsize;
725 uint32_t ilocalsym;
726 uint32_t nlocalsym;
727 uint32_t iextdefsym;
728 uint32_t nextdefsym;
729 uint32_t iundefsym;
730 uint32_t nundefsym;
731 uint32_t tocoff;
732 uint32_t ntoc;
733 uint32_t modtaboff;
734 uint32_t nmodtab;
735 uint32_t extrefsymoff;
736 uint32_t nextrefsyms;
737 uint32_t indirectsymoff;
738 uint32_t nindirectsyms;
739 uint32_t extreloff;
740 uint32_t nextrel;
741 uint32_t locreloff;
742 uint32_t nlocrel;
743 };
744
745 struct dylib_table_of_contents {
746 uint32_t symbol_index;
747 uint32_t module_index;
748 };
749
750 struct dylib_module {
751 uint32_t module_name;
752 uint32_t iextdefsym;
753 uint32_t nextdefsym;
754 uint32_t irefsym;
755 uint32_t nrefsym;
756 uint32_t ilocalsym;
757 uint32_t nlocalsym;
758 uint32_t iextrel;
759 uint32_t nextrel;
760 uint32_t iinit_iterm;
761 uint32_t ninit_nterm;
762 uint32_t objc_module_info_addr;
763 uint32_t objc_module_info_size;
764 };
765
766 struct dylib_module_64 {
767 uint32_t module_name;
768 uint32_t iextdefsym;
769 uint32_t nextdefsym;
770 uint32_t irefsym;
771 uint32_t nrefsym;
772 uint32_t ilocalsym;
773 uint32_t nlocalsym;
774 uint32_t iextrel;
775 uint32_t nextrel;
776 uint32_t iinit_iterm;
777 uint32_t ninit_nterm;
778 uint32_t objc_module_info_size;
779 uint64_t objc_module_info_addr;
780 };
781
782 struct dylib_reference {
783 uint32_t isym:24,
784 flags:8;
785 };
786
787
788 struct twolevel_hints_command {
789 uint32_t cmd;
790 uint32_t cmdsize;
791 uint32_t offset;
792 uint32_t nhints;
793 };
794
795 struct twolevel_hint {
796 uint32_t isub_image:8,
797 itoc:24;
798 };
799
800 struct prebind_cksum_command {
801 uint32_t cmd;
802 uint32_t cmdsize;
803 uint32_t cksum;
804 };
805
806 struct uuid_command {
807 uint32_t cmd;
808 uint32_t cmdsize;
809 uint8_t uuid[16];
810 };
811
812 struct rpath_command {
813 uint32_t cmd;
814 uint32_t cmdsize;
815 uint32_t path;
816 };
817
818 struct linkedit_data_command {
819 uint32_t cmd;
820 uint32_t cmdsize;
821 uint32_t dataoff;
822 uint32_t datasize;
823 };
824
1a4d82fc
JJ		 825 struct data_in_code_entry {
826 uint32_t offset;
827 uint16_t length;
828 uint16_t kind;
829 };
830
831 struct source_version_command {
832 uint32_t cmd;
833 uint32_t cmdsize;
834 uint64_t version;
835 };
836
223e47cc
LB		 837 struct encryption_info_command {
838 uint32_t cmd;
839 uint32_t cmdsize;
840 uint32_t cryptoff;
841 uint32_t cryptsize;
842 uint32_t cryptid;
843 };
844
85aaf69f
SL		 845 struct encryption_info_command_64 {
846 uint32_t cmd;
847 uint32_t cmdsize;
848 uint32_t cryptoff;
849 uint32_t cryptsize;
850 uint32_t cryptid;
851 uint32_t pad;
852 };
853
223e47cc 854 struct version_min_command {
1a4d82fc
JJ		 855 uint32_t cmd; // LC_VERSION_MIN_MACOSX or
856 // LC_VERSION_MIN_IPHONEOS
857 uint32_t cmdsize; // sizeof(struct version_min_command)
858 uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz
859 uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz
223e47cc
LB		 860 };
861
862 struct dyld_info_command {
863 uint32_t cmd;
864 uint32_t cmdsize;
865 uint32_t rebase_off;
866 uint32_t rebase_size;
867 uint32_t bind_off;
868 uint32_t bind_size;
869 uint32_t weak_bind_off;
870 uint32_t weak_bind_size;
871 uint32_t lazy_bind_off;
872 uint32_t lazy_bind_size;
873 uint32_t export_off;
874 uint32_t export_size;
875 };
876
85aaf69f 877 struct linker_option_command {
1a4d82fc
JJ		 878 uint32_t cmd;
879 uint32_t cmdsize;
880 uint32_t count;
881 };
882
223e47cc
LB		 883 struct symseg_command {
884 uint32_t cmd;
885 uint32_t cmdsize;
886 uint32_t offset;
887 uint32_t size;
888 };
889
890 struct ident_command {
891 uint32_t cmd;
892 uint32_t cmdsize;
893 };
894
895 struct fvmfile_command {
896 uint32_t cmd;
897 uint32_t cmdsize;
898 uint32_t name;
899 uint32_t header_addr;
900 };
901
1a4d82fc
JJ		 902 struct tlv_descriptor_32 {
903 uint32_t thunk;
904 uint32_t key;
905 uint32_t offset;
906 };
907
908 struct tlv_descriptor_64 {
909 uint64_t thunk;
910 uint64_t key;
911 uint64_t offset;
912 };
913
914 struct tlv_descriptor {
915 uintptr_t thunk;
916 uintptr_t key;
917 uintptr_t offset;
918 };
919
920 struct entry_point_command {
921 uint32_t cmd;
922 uint32_t cmdsize;
923 uint64_t entryoff;
924 uint64_t stacksize;
925 };
926
223e47cc
LB		 927
928 // Structs from <mach-o/fat.h>
929 struct fat_header {
930 uint32_t magic;
931 uint32_t nfat_arch;
932 };
933
934 struct fat_arch {
935 uint32_t cputype;
936 uint32_t cpusubtype;
937 uint32_t offset;
938 uint32_t size;
939 uint32_t align;
940 };
941
1a4d82fc
JJ		 942 // Structs from <mach-o/reloc.h>
943 struct relocation_info {
944 int32_t r_address;
945 uint32_t r_symbolnum:24,
946 r_pcrel:1,
947 r_length:2,
948 r_extern:1,
949 r_type:4;
950 };
951
952 struct scattered_relocation_info {
953#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && (BYTE_ORDER == BIG_ENDIAN)
954 uint32_t r_scattered:1,
955 r_pcrel:1,
956 r_length:2,
957 r_type:4,
958 r_address:24;
959#else
960 uint32_t r_address:24,
961 r_type:4,
962 r_length:2,
963 r_pcrel:1,
964 r_scattered:1;
965#endif
966 int32_t r_value;
967 };
968
969 // Structs NOT from <mach-o/reloc.h>, but that make LLVM's life easier
970 struct any_relocation_info {
971 uint32_t r_word0, r_word1;
972 };
973
974 // Structs from <mach-o/nlist.h>
975 struct nlist_base {
976 uint32_t n_strx;
977 uint8_t n_type;
978 uint8_t n_sect;
979 uint16_t n_desc;
980 };
981
223e47cc
LB		 982 struct nlist {
983 uint32_t n_strx;
984 uint8_t n_type;
985 uint8_t n_sect;
986 int16_t n_desc;
987 uint32_t n_value;
988 };
989
990 struct nlist_64 {
991 uint32_t n_strx;
992 uint8_t n_type;
993 uint8_t n_sect;
994 uint16_t n_desc;
995 uint64_t n_value;
996 };
997
1a4d82fc
JJ		 998
999 // Byte order swapping functions for MachO structs
1000
1001 inline void swapStruct(mach_header &mh) {
1002 sys::swapByteOrder(mh.magic);
1003 sys::swapByteOrder(mh.cputype);
1004 sys::swapByteOrder(mh.cpusubtype);
1005 sys::swapByteOrder(mh.filetype);
1006 sys::swapByteOrder(mh.ncmds);
1007 sys::swapByteOrder(mh.sizeofcmds);
1008 sys::swapByteOrder(mh.flags);
1009 }
1010
1011 inline void swapStruct(mach_header_64 &H) {
1012 sys::swapByteOrder(H.magic);
1013 sys::swapByteOrder(H.cputype);
1014 sys::swapByteOrder(H.cpusubtype);
1015 sys::swapByteOrder(H.filetype);
1016 sys::swapByteOrder(H.ncmds);
1017 sys::swapByteOrder(H.sizeofcmds);
1018 sys::swapByteOrder(H.flags);
1019 sys::swapByteOrder(H.reserved);
1020 }
1021
1022 inline void swapStruct(load_command &lc) {
1023 sys::swapByteOrder(lc.cmd);
1024 sys::swapByteOrder(lc.cmdsize);
1025 }
1026
1027 inline void swapStruct(symtab_command &lc) {
1028 sys::swapByteOrder(lc.cmd);
1029 sys::swapByteOrder(lc.cmdsize);
1030 sys::swapByteOrder(lc.symoff);
1031 sys::swapByteOrder(lc.nsyms);
1032 sys::swapByteOrder(lc.stroff);
1033 sys::swapByteOrder(lc.strsize);
1034 }
1035
1036 inline void swapStruct(segment_command_64 &seg) {
1037 sys::swapByteOrder(seg.cmd);
1038 sys::swapByteOrder(seg.cmdsize);
1039 sys::swapByteOrder(seg.vmaddr);
1040 sys::swapByteOrder(seg.vmsize);
1041 sys::swapByteOrder(seg.fileoff);
1042 sys::swapByteOrder(seg.filesize);
1043 sys::swapByteOrder(seg.maxprot);
1044 sys::swapByteOrder(seg.initprot);
1045 sys::swapByteOrder(seg.nsects);
1046 sys::swapByteOrder(seg.flags);
1047 }
1048
1049 inline void swapStruct(segment_command &seg) {
1050 sys::swapByteOrder(seg.cmd);
1051 sys::swapByteOrder(seg.cmdsize);
1052 sys::swapByteOrder(seg.vmaddr);
1053 sys::swapByteOrder(seg.vmsize);
1054 sys::swapByteOrder(seg.fileoff);
1055 sys::swapByteOrder(seg.filesize);
1056 sys::swapByteOrder(seg.maxprot);
1057 sys::swapByteOrder(seg.initprot);
1058 sys::swapByteOrder(seg.nsects);
1059 sys::swapByteOrder(seg.flags);
1060 }
1061
1062 inline void swapStruct(section_64 &sect) {
1063 sys::swapByteOrder(sect.addr);
1064 sys::swapByteOrder(sect.size);
1065 sys::swapByteOrder(sect.offset);
1066 sys::swapByteOrder(sect.align);
1067 sys::swapByteOrder(sect.reloff);
1068 sys::swapByteOrder(sect.nreloc);
1069 sys::swapByteOrder(sect.flags);
1070 sys::swapByteOrder(sect.reserved1);
1071 sys::swapByteOrder(sect.reserved2);
1072 }
1073
1074 inline void swapStruct(section &sect) {
1075 sys::swapByteOrder(sect.addr);
1076 sys::swapByteOrder(sect.size);
1077 sys::swapByteOrder(sect.offset);
1078 sys::swapByteOrder(sect.align);
1079 sys::swapByteOrder(sect.reloff);
1080 sys::swapByteOrder(sect.nreloc);
1081 sys::swapByteOrder(sect.flags);
1082 sys::swapByteOrder(sect.reserved1);
1083 sys::swapByteOrder(sect.reserved2);
1084 }
1085
1086 inline void swapStruct(dyld_info_command &info) {
1087 sys::swapByteOrder(info.cmd);
1088 sys::swapByteOrder(info.cmdsize);
1089 sys::swapByteOrder(info.rebase_off);
1090 sys::swapByteOrder(info.rebase_size);
1091 sys::swapByteOrder(info.bind_off);
1092 sys::swapByteOrder(info.bind_size);
1093 sys::swapByteOrder(info.weak_bind_off);
1094 sys::swapByteOrder(info.weak_bind_size);
1095 sys::swapByteOrder(info.lazy_bind_off);
1096 sys::swapByteOrder(info.lazy_bind_size);
1097 sys::swapByteOrder(info.export_off);
1098 sys::swapByteOrder(info.export_size);
1099 }
1100
1101 inline void swapStruct(dylib_command &d) {
1102 sys::swapByteOrder(d.cmd);
1103 sys::swapByteOrder(d.cmdsize);
1104 sys::swapByteOrder(d.dylib.name);
1105 sys::swapByteOrder(d.dylib.timestamp);
1106 sys::swapByteOrder(d.dylib.current_version);
1107 sys::swapByteOrder(d.dylib.compatibility_version);
1108 }
1109
85aaf69f
SL		 1110 inline void swapStruct(sub_framework_command &s) {
1111 sys::swapByteOrder(s.cmd);
1112 sys::swapByteOrder(s.cmdsize);
1113 sys::swapByteOrder(s.umbrella);
1114 }
1115
1116 inline void swapStruct(sub_umbrella_command &s) {
1117 sys::swapByteOrder(s.cmd);
1118 sys::swapByteOrder(s.cmdsize);
1119 sys::swapByteOrder(s.sub_umbrella);
1120 }
1121
1122 inline void swapStruct(sub_library_command &s) {
1123 sys::swapByteOrder(s.cmd);
1124 sys::swapByteOrder(s.cmdsize);
1125 sys::swapByteOrder(s.sub_library);
1126 }
1127
1128 inline void swapStruct(sub_client_command &s) {
1129 sys::swapByteOrder(s.cmd);
1130 sys::swapByteOrder(s.cmdsize);
1131 sys::swapByteOrder(s.client);
1132 }
1133
1134 inline void swapStruct(routines_command &r) {
1135 sys::swapByteOrder(r.cmd);
1136 sys::swapByteOrder(r.cmdsize);
1137 sys::swapByteOrder(r.init_address);
1138 sys::swapByteOrder(r.init_module);
1139 sys::swapByteOrder(r.reserved1);
1140 sys::swapByteOrder(r.reserved2);
1141 sys::swapByteOrder(r.reserved3);
1142 sys::swapByteOrder(r.reserved4);
1143 sys::swapByteOrder(r.reserved5);
1144 sys::swapByteOrder(r.reserved6);
1145 }
1146
1147 inline void swapStruct(routines_command_64 &r) {
1148 sys::swapByteOrder(r.cmd);
1149 sys::swapByteOrder(r.cmdsize);
1150 sys::swapByteOrder(r.init_address);
1151 sys::swapByteOrder(r.init_module);
1152 sys::swapByteOrder(r.reserved1);
1153 sys::swapByteOrder(r.reserved2);
1154 sys::swapByteOrder(r.reserved3);
1155 sys::swapByteOrder(r.reserved4);
1156 sys::swapByteOrder(r.reserved5);
1157 sys::swapByteOrder(r.reserved6);
1158 }
1159
1160 inline void swapStruct(thread_command &t) {
1161 sys::swapByteOrder(t.cmd);
1162 sys::swapByteOrder(t.cmdsize);
1163 }
1164
1a4d82fc
JJ		 1165 inline void swapStruct(dylinker_command &d) {
1166 sys::swapByteOrder(d.cmd);
1167 sys::swapByteOrder(d.cmdsize);
1168 sys::swapByteOrder(d.name);
1169 }
1170
1171 inline void swapStruct(uuid_command &u) {
1172 sys::swapByteOrder(u.cmd);
1173 sys::swapByteOrder(u.cmdsize);
1174 }
1175
85aaf69f
SL		 1176 inline void swapStruct(rpath_command &r) {
1177 sys::swapByteOrder(r.cmd);
1178 sys::swapByteOrder(r.cmdsize);
1179 sys::swapByteOrder(r.path);
1180 }
1181
1a4d82fc
JJ		 1182 inline void swapStruct(source_version_command &s) {
1183 sys::swapByteOrder(s.cmd);
1184 sys::swapByteOrder(s.cmdsize);
1185 sys::swapByteOrder(s.version);
1186 }
1187
1188 inline void swapStruct(entry_point_command &e) {
1189 sys::swapByteOrder(e.cmd);
1190 sys::swapByteOrder(e.cmdsize);
1191 sys::swapByteOrder(e.entryoff);
1192 sys::swapByteOrder(e.stacksize);
1193 }
1194
85aaf69f
SL		 1195 inline void swapStruct(encryption_info_command &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 }
1202
1203 inline void swapStruct(encryption_info_command_64 &e) {
1204 sys::swapByteOrder(e.cmd);
1205 sys::swapByteOrder(e.cmdsize);
1206 sys::swapByteOrder(e.cryptoff);
1207 sys::swapByteOrder(e.cryptsize);
1208 sys::swapByteOrder(e.cryptid);
1209 sys::swapByteOrder(e.pad);
1210 }
1211
1a4d82fc
JJ		 1212 inline void swapStruct(dysymtab_command &dst) {
1213 sys::swapByteOrder(dst.cmd);
1214 sys::swapByteOrder(dst.cmdsize);
1215 sys::swapByteOrder(dst.ilocalsym);
1216 sys::swapByteOrder(dst.nlocalsym);
1217 sys::swapByteOrder(dst.iextdefsym);
1218 sys::swapByteOrder(dst.nextdefsym);
1219 sys::swapByteOrder(dst.iundefsym);
1220 sys::swapByteOrder(dst.nundefsym);
1221 sys::swapByteOrder(dst.tocoff);
1222 sys::swapByteOrder(dst.ntoc);
1223 sys::swapByteOrder(dst.modtaboff);
1224 sys::swapByteOrder(dst.nmodtab);
1225 sys::swapByteOrder(dst.extrefsymoff);
1226 sys::swapByteOrder(dst.nextrefsyms);
1227 sys::swapByteOrder(dst.indirectsymoff);
1228 sys::swapByteOrder(dst.nindirectsyms);
1229 sys::swapByteOrder(dst.extreloff);
1230 sys::swapByteOrder(dst.nextrel);
1231 sys::swapByteOrder(dst.locreloff);
1232 sys::swapByteOrder(dst.nlocrel);
1233 }
1234
1235 inline void swapStruct(any_relocation_info &reloc) {
1236 sys::swapByteOrder(reloc.r_word0);
1237 sys::swapByteOrder(reloc.r_word1);
1238 }
1239
1240 inline void swapStruct(nlist_base &S) {
1241 sys::swapByteOrder(S.n_strx);
1242 sys::swapByteOrder(S.n_desc);
1243 }
1244
1245 inline void swapStruct(nlist &sym) {
1246 sys::swapByteOrder(sym.n_strx);
1247 sys::swapByteOrder(sym.n_desc);
1248 sys::swapByteOrder(sym.n_value);
1249 }
1250
1251 inline void swapStruct(nlist_64 &sym) {
1252 sys::swapByteOrder(sym.n_strx);
1253 sys::swapByteOrder(sym.n_desc);
1254 sys::swapByteOrder(sym.n_value);
1255 }
1256
1257 inline void swapStruct(linkedit_data_command &C) {
1258 sys::swapByteOrder(C.cmd);
1259 sys::swapByteOrder(C.cmdsize);
1260 sys::swapByteOrder(C.dataoff);
1261 sys::swapByteOrder(C.datasize);
1262 }
1263
85aaf69f 1264 inline void swapStruct(linker_option_command &C) {
1a4d82fc
JJ		 1265 sys::swapByteOrder(C.cmd);
1266 sys::swapByteOrder(C.cmdsize);
1267 sys::swapByteOrder(C.count);
1268 }
1269
1270 inline void swapStruct(version_min_command&C) {
1271 sys::swapByteOrder(C.cmd);
1272 sys::swapByteOrder(C.cmdsize);
1273 sys::swapByteOrder(C.version);
1274 sys::swapByteOrder(C.sdk);
1275 }
1276
1277 inline void swapStruct(data_in_code_entry &C) {
1278 sys::swapByteOrder(C.offset);
1279 sys::swapByteOrder(C.length);
1280 sys::swapByteOrder(C.kind);
1281 }
1282
1283 inline void swapStruct(uint32_t &C) {
1284 sys::swapByteOrder(C);
1285 }
1286
223e47cc
LB		 1287 // Get/Set functions from <mach-o/nlist.h>
1288
1a4d82fc 1289 static inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc) {
223e47cc
LB		 1290 return (((n_desc) >> 8u) & 0xffu);
1291 }
1292
1a4d82fc 1293 static inline void SET_LIBRARY_ORDINAL(uint16_t &n_desc, uint8_t ordinal) {
223e47cc
LB		 1294 n_desc = (((n_desc) & 0x00ff) | (((ordinal) & 0xff) << 8));
1295 }
1296
1a4d82fc 1297 static inline uint8_t GET_COMM_ALIGN (uint16_t n_desc) {
223e47cc
LB		 1298 return (n_desc >> 8u) & 0x0fu;
1299 }
1300
1a4d82fc 1301 static inline void SET_COMM_ALIGN (uint16_t &n_desc, uint8_t align) {
223e47cc
LB		 1302 n_desc = ((n_desc & 0xf0ffu) | ((align & 0x0fu) << 8u));
1303 }
1304
1305 // Enums from <mach/machine.h>
1a4d82fc 1306 enum : uint32_t {
223e47cc 1307 // Capability bits used in the definition of cpu_type.
1a4d82fc
JJ		 1308 CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits
1309 CPU_ARCH_ABI64 = 0x01000000 // 64 bit ABI
1310 };
223e47cc 1311
1a4d82fc
JJ		 1312 // Constants for the cputype field.
1313 enum CPUType {
1314 CPU_TYPE_ANY = -1,
1315 CPU_TYPE_X86 = 7,
1316 CPU_TYPE_I386 = CPU_TYPE_X86,
1317 CPU_TYPE_X86_64 = CPU_TYPE_X86 | CPU_ARCH_ABI64,
1318 /* CPU_TYPE_MIPS = 8, */
1319 CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC
1320 CPU_TYPE_ARM = 12,
1321 CPU_TYPE_ARM64 = CPU_TYPE_ARM | CPU_ARCH_ABI64,
1322 CPU_TYPE_SPARC = 14,
1323 CPU_TYPE_POWERPC = 18,
1324 CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64
1325 };
223e47cc 1326
1a4d82fc
JJ		 1327 enum : uint32_t {
1328 // Capability bits used in the definition of cpusubtype.
1329 CPU_SUBTYPE_MASK = 0xff000000, // Mask for architecture bits
1330 CPU_SUBTYPE_LIB64 = 0x80000000, // 64 bit libraries
223e47cc 1331
1a4d82fc
JJ		 1332 // Special CPU subtype constants.
1333 CPU_SUBTYPE_MULTIPLE = ~0u
1334 };
223e47cc 1335
1a4d82fc
JJ		 1336 // Constants for the cpusubtype field.
1337 enum CPUSubTypeX86 {
1338 CPU_SUBTYPE_I386_ALL = 3,
1339 CPU_SUBTYPE_386 = 3,
1340 CPU_SUBTYPE_486 = 4,
1341 CPU_SUBTYPE_486SX = 0x84,
1342 CPU_SUBTYPE_586 = 5,
1343 CPU_SUBTYPE_PENT = CPU_SUBTYPE_586,
1344 CPU_SUBTYPE_PENTPRO = 0x16,
1345 CPU_SUBTYPE_PENTII_M3 = 0x36,
1346 CPU_SUBTYPE_PENTII_M5 = 0x56,
1347 CPU_SUBTYPE_CELERON = 0x67,
1348 CPU_SUBTYPE_CELERON_MOBILE = 0x77,
1349 CPU_SUBTYPE_PENTIUM_3 = 0x08,
1350 CPU_SUBTYPE_PENTIUM_3_M = 0x18,
1351 CPU_SUBTYPE_PENTIUM_3_XEON = 0x28,
1352 CPU_SUBTYPE_PENTIUM_M = 0x09,
1353 CPU_SUBTYPE_PENTIUM_4 = 0x0a,
1354 CPU_SUBTYPE_PENTIUM_4_M = 0x1a,
1355 CPU_SUBTYPE_ITANIUM = 0x0b,
1356 CPU_SUBTYPE_ITANIUM_2 = 0x1b,
1357 CPU_SUBTYPE_XEON = 0x0c,
1358 CPU_SUBTYPE_XEON_MP = 0x1c,
1359
1360 CPU_SUBTYPE_X86_ALL = 3,
1361 CPU_SUBTYPE_X86_64_ALL = 3,
1362 CPU_SUBTYPE_X86_ARCH1 = 4,
1363 CPU_SUBTYPE_X86_64_H = 8
1364 };
1365 static inline int CPU_SUBTYPE_INTEL(int Family, int Model) {
1366 return Family | (Model << 4);
1367 }
1368 static inline int CPU_SUBTYPE_INTEL_FAMILY(CPUSubTypeX86 ST) {
1369 return ((int)ST) & 0x0f;
1370 }
1371 static inline int CPU_SUBTYPE_INTEL_MODEL(CPUSubTypeX86 ST) {
1372 return ((int)ST) >> 4;
1373 }
1374 enum {
1375 CPU_SUBTYPE_INTEL_FAMILY_MAX = 15,
1376 CPU_SUBTYPE_INTEL_MODEL_ALL = 0
1377 };
223e47cc 1378
1a4d82fc
JJ		 1379 enum CPUSubTypeARM {
1380 CPU_SUBTYPE_ARM_ALL = 0,
1381 CPU_SUBTYPE_ARM_V4T = 5,
1382 CPU_SUBTYPE_ARM_V6 = 6,
1383 CPU_SUBTYPE_ARM_V5 = 7,
1384 CPU_SUBTYPE_ARM_V5TEJ = 7,
1385 CPU_SUBTYPE_ARM_XSCALE = 8,
1386 CPU_SUBTYPE_ARM_V7 = 9,
1387 // unused ARM_V7F = 10,
1388 CPU_SUBTYPE_ARM_V7S = 11,
1389 CPU_SUBTYPE_ARM_V7K = 12,
1390 CPU_SUBTYPE_ARM_V6M = 14,
1391 CPU_SUBTYPE_ARM_V7M = 15,
1392 CPU_SUBTYPE_ARM_V7EM = 16
1393 };
1394
1395 enum CPUSubTypeARM64 {
1396 CPU_SUBTYPE_ARM64_ALL = 0
1397 };
223e47cc 1398
1a4d82fc
JJ		 1399 enum CPUSubTypeSPARC {
1400 CPU_SUBTYPE_SPARC_ALL = 0
1401 };
223e47cc 1402
1a4d82fc
JJ		 1403 enum CPUSubTypePowerPC {
1404 CPU_SUBTYPE_POWERPC_ALL = 0,
1405 CPU_SUBTYPE_POWERPC_601 = 1,
1406 CPU_SUBTYPE_POWERPC_602 = 2,
1407 CPU_SUBTYPE_POWERPC_603 = 3,
1408 CPU_SUBTYPE_POWERPC_603e = 4,
1409 CPU_SUBTYPE_POWERPC_603ev = 5,
1410 CPU_SUBTYPE_POWERPC_604 = 6,
1411 CPU_SUBTYPE_POWERPC_604e = 7,
1412 CPU_SUBTYPE_POWERPC_620 = 8,
1413 CPU_SUBTYPE_POWERPC_750 = 9,
1414 CPU_SUBTYPE_POWERPC_7400 = 10,
1415 CPU_SUBTYPE_POWERPC_7450 = 11,
1416 CPU_SUBTYPE_POWERPC_970 = 100,
1417
1418 CPU_SUBTYPE_MC980000_ALL = CPU_SUBTYPE_POWERPC_ALL,
1419 CPU_SUBTYPE_MC98601 = CPU_SUBTYPE_POWERPC_601
223e47cc 1420 };
85aaf69f
SL		 1421
1422 struct x86_thread_state64_t {
1423 uint64_t rax;
1424 uint64_t rbx;
1425 uint64_t rcx;
1426 uint64_t rdx;
1427 uint64_t rdi;
1428 uint64_t rsi;
1429 uint64_t rbp;
1430 uint64_t rsp;
1431 uint64_t r8;
1432 uint64_t r9;
1433 uint64_t r10;
1434 uint64_t r11;
1435 uint64_t r12;
1436 uint64_t r13;
1437 uint64_t r14;
1438 uint64_t r15;
1439 uint64_t rip;
1440 uint64_t rflags;
1441 uint64_t cs;
1442 uint64_t fs;
1443 uint64_t gs;
1444 };
1445
1446 enum x86_fp_control_precis {
1447 x86_FP_PREC_24B = 0,
1448 x86_FP_PREC_53B = 2,
1449 x86_FP_PREC_64B = 3
1450 };
1451
1452 enum x86_fp_control_rc {
1453 x86_FP_RND_NEAR = 0,
1454 x86_FP_RND_DOWN = 1,
1455 x86_FP_RND_UP = 2,
1456 x86_FP_CHOP = 3
1457 };
1458
1459 struct fp_control_t {
1460 unsigned short
1461 invalid :1,
1462 denorm :1,
1463 zdiv :1,
1464 ovrfl :1,
1465 undfl :1,
1466 precis :1,
1467 :2,
1468 pc :2,
1469 rc :2,
1470 :1,
1471 :3;
1472 };
1473
1474 struct fp_status_t {
1475 unsigned short
1476 invalid :1,
1477 denorm :1,
1478 zdiv :1,
1479 ovrfl :1,
1480 undfl :1,
1481 precis :1,
1482 stkflt :1,
1483 errsumm :1,
1484 c0 :1,
1485 c1 :1,
1486 c2 :1,
1487 tos :3,
1488 c3 :1,
1489 busy :1;
1490 };
1491
1492 struct mmst_reg_t {
1493 char mmst_reg[10];
1494 char mmst_rsrv[6];
1495 };
1496
1497 struct xmm_reg_t {
1498 char xmm_reg[16];
1499 };
1500
1501 struct x86_float_state64_t {
1502 int32_t fpu_reserved[2];
1503 fp_control_t fpu_fcw;
1504 fp_status_t fpu_fsw;
1505 uint8_t fpu_ftw;
1506 uint8_t fpu_rsrv1;
1507 uint16_t fpu_fop;
1508 uint32_t fpu_ip;
1509 uint16_t fpu_cs;
1510 uint16_t fpu_rsrv2;
1511 uint32_t fpu_dp;
1512 uint16_t fpu_ds;
1513 uint16_t fpu_rsrv3;
1514 uint32_t fpu_mxcsr;
1515 uint32_t fpu_mxcsrmask;
1516 mmst_reg_t fpu_stmm0;
1517 mmst_reg_t fpu_stmm1;
1518 mmst_reg_t fpu_stmm2;
1519 mmst_reg_t fpu_stmm3;
1520 mmst_reg_t fpu_stmm4;
1521 mmst_reg_t fpu_stmm5;
1522 mmst_reg_t fpu_stmm6;
1523 mmst_reg_t fpu_stmm7;
1524 xmm_reg_t fpu_xmm0;
1525 xmm_reg_t fpu_xmm1;
1526 xmm_reg_t fpu_xmm2;
1527 xmm_reg_t fpu_xmm3;
1528 xmm_reg_t fpu_xmm4;
1529 xmm_reg_t fpu_xmm5;
1530 xmm_reg_t fpu_xmm6;
1531 xmm_reg_t fpu_xmm7;
1532 xmm_reg_t fpu_xmm8;
1533 xmm_reg_t fpu_xmm9;
1534 xmm_reg_t fpu_xmm10;
1535 xmm_reg_t fpu_xmm11;
1536 xmm_reg_t fpu_xmm12;
1537 xmm_reg_t fpu_xmm13;
1538 xmm_reg_t fpu_xmm14;
1539 xmm_reg_t fpu_xmm15;
1540 char fpu_rsrv4[6*16];
1541 uint32_t fpu_reserved1;
1542 };
1543
1544 struct x86_exception_state64_t {
1545 uint16_t trapno;
1546 uint16_t cpu;
1547 uint32_t err;
1548 uint64_t faultvaddr;
1549 };
1550
1551 inline void swapStruct(x86_thread_state64_t &x) {
1552 sys::swapByteOrder(x.rax);
1553 sys::swapByteOrder(x.rbx);
1554 sys::swapByteOrder(x.rcx);
1555 sys::swapByteOrder(x.rdx);
1556 sys::swapByteOrder(x.rdi);
1557 sys::swapByteOrder(x.rsi);
1558 sys::swapByteOrder(x.rbp);
1559 sys::swapByteOrder(x.rsp);
1560 sys::swapByteOrder(x.r8);
1561 sys::swapByteOrder(x.r9);
1562 sys::swapByteOrder(x.r10);
1563 sys::swapByteOrder(x.r11);
1564 sys::swapByteOrder(x.r12);
1565 sys::swapByteOrder(x.r13);
1566 sys::swapByteOrder(x.r14);
1567 sys::swapByteOrder(x.r15);
1568 sys::swapByteOrder(x.rip);
1569 sys::swapByteOrder(x.rflags);
1570 sys::swapByteOrder(x.cs);
1571 sys::swapByteOrder(x.fs);
1572 sys::swapByteOrder(x.gs);
1573 }
1574
1575 inline void swapStruct(x86_float_state64_t &x) {
1576 sys::swapByteOrder(x.fpu_reserved[0]);
1577 sys::swapByteOrder(x.fpu_reserved[1]);
1578 // TODO swap: fp_control_t fpu_fcw;
1579 // TODO swap: fp_status_t fpu_fsw;
1580 sys::swapByteOrder(x.fpu_fop);
1581 sys::swapByteOrder(x.fpu_ip);
1582 sys::swapByteOrder(x.fpu_cs);
1583 sys::swapByteOrder(x.fpu_rsrv2);
1584 sys::swapByteOrder(x.fpu_dp);
1585 sys::swapByteOrder(x.fpu_ds);
1586 sys::swapByteOrder(x.fpu_rsrv3);
1587 sys::swapByteOrder(x.fpu_mxcsr);
1588 sys::swapByteOrder(x.fpu_mxcsrmask);
1589 sys::swapByteOrder(x.fpu_reserved1);
1590 }
1591
1592 inline void swapStruct(x86_exception_state64_t &x) {
1593 sys::swapByteOrder(x.trapno);
1594 sys::swapByteOrder(x.cpu);
1595 sys::swapByteOrder(x.err);
1596 sys::swapByteOrder(x.faultvaddr);
1597 }
1598
1599 struct x86_state_hdr_t {
1600 uint32_t flavor;
1601 uint32_t count;
1602 };
1603
1604 struct x86_thread_state_t {
1605 x86_state_hdr_t tsh;
1606 union {
1607 x86_thread_state64_t ts64;
1608 } uts;
1609 };
1610
1611 struct x86_float_state_t {
1612 x86_state_hdr_t fsh;
1613 union {
1614 x86_float_state64_t fs64;
1615 } ufs;
1616 };
1617
1618 struct x86_exception_state_t {
1619 x86_state_hdr_t esh;
1620 union {
1621 x86_exception_state64_t es64;
1622 } ues;
1623 };
1624
1625 inline void swapStruct(x86_state_hdr_t &x) {
1626 sys::swapByteOrder(x.flavor);
1627 sys::swapByteOrder(x.count);
1628 }
1629
1630 enum X86ThreadFlavors {
1631 x86_THREAD_STATE32 = 1,
1632 x86_FLOAT_STATE32 = 2,
1633 x86_EXCEPTION_STATE32 = 3,
1634 x86_THREAD_STATE64 = 4,
1635 x86_FLOAT_STATE64 = 5,
1636 x86_EXCEPTION_STATE64 = 6,
1637 x86_THREAD_STATE = 7,
1638 x86_FLOAT_STATE = 8,
1639 x86_EXCEPTION_STATE = 9,
1640 x86_DEBUG_STATE32 = 10,
1641 x86_DEBUG_STATE64 = 11,
1642 x86_DEBUG_STATE = 12
1643 };
1644
1645 inline void swapStruct(x86_thread_state_t &x) {
1646 swapStruct(x.tsh);
1647 if (x.tsh.flavor == x86_THREAD_STATE64)
1648 swapStruct(x.uts.ts64);
1649 }
1650
1651 inline void swapStruct(x86_float_state_t &x) {
1652 swapStruct(x.fsh);
1653 if (x.fsh.flavor == x86_FLOAT_STATE64)
1654 swapStruct(x.ufs.fs64);
1655 }
1656
1657 inline void swapStruct(x86_exception_state_t &x) {
1658 swapStruct(x.esh);
1659 if (x.esh.flavor == x86_EXCEPTION_STATE64)
1660 swapStruct(x.ues.es64);
1661 }
1662
1663 const uint32_t x86_THREAD_STATE64_COUNT =
1664 sizeof(x86_thread_state64_t) / sizeof(uint32_t);
1665 const uint32_t x86_FLOAT_STATE64_COUNT =
1666 sizeof(x86_float_state64_t) / sizeof(uint32_t);
1667 const uint32_t x86_EXCEPTION_STATE64_COUNT =
1668 sizeof(x86_exception_state64_t) / sizeof(uint32_t);
1669
1670 const uint32_t x86_THREAD_STATE_COUNT =
1671 sizeof(x86_thread_state_t) / sizeof(uint32_t);
1672 const uint32_t x86_FLOAT_STATE_COUNT =
1673 sizeof(x86_float_state_t) / sizeof(uint32_t);
1674 const uint32_t x86_EXCEPTION_STATE_COUNT =
1675 sizeof(x86_exception_state_t) / sizeof(uint32_t);
1676
223e47cc
LB		 1677 } // end namespace MachO
1678} // end namespace llvm
1679
1680#endif
backport for Debian buster