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source: vbox/trunk/include/iprt/formats/mach-o.h@ 93115

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1/* $Id: mach-o.h 93115 2022-01-01 11:31:46Z vboxsync $ */
2/** @file
3 * IPRT - Mach-O Structures and Constants.
4 */
5
6/*
7 * Copyright (C) 2011-2022 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27#ifndef IPRT_INCLUDED_formats_mach_o_h
28#define IPRT_INCLUDED_formats_mach_o_h
29#ifndef RT_WITHOUT_PRAGMA_ONCE
30# pragma once
31#endif
32
33#include <iprt/types.h>
34#include <iprt/assertcompile.h>
35
36#ifndef CPU_ARCH_MASK
37
38/* cputype */
39#define CPU_ARCH_MASK INT32_C(0xff000000)
40#define CPU_ARCH_ABI64 INT32_C(0x01000000)
41#define CPU_ARCH_ABI64_32 INT32_C(0x02000000) /**< LP32 on 64-bit hardware */
42
43#define CPU_TYPE_ANY INT32_C(-1)
44#define CPU_TYPE_VAX INT32_C(1)
45#define CPU_TYPE_MC680x0 INT32_C(6)
46#define CPU_TYPE_X86 INT32_C(7)
47#define CPU_TYPE_I386 CPU_TYPE_X86
48#define CPU_TYPE_X86_64 (CPU_TYPE_X86 | CPU_ARCH_ABI64)
49#define CPU_TYPE_MC98000 INT32_C(10)
50#define CPU_TYPE_HPPA INT32_C(11)
51#define CPU_TYPE_ARM INT32_C(12)
52#define CPU_TYPE_ARM32 CPU_TYPE_ARM
53#define CPU_TYPE_ARM64 (CPU_TYPE_ARM | CPU_ARCH_ABI64)
54#define CPU_TYPE_ARM64_32 (CPU_TYPE_ARM | CPU_ARCH_ABI64_32)
55#define CPU_TYPE_MC88000 INT32_C(13)
56#define CPU_TYPE_SPARC INT32_C(14)
57#define CPU_TYPE_I860 INT32_C(15)
58#define CPU_TYPE_POWERPC INT32_C(18)
59#define CPU_TYPE_POWERPC64 (CPU_TYPE_POWERPC | CPU_ARCH_ABI64)
60
61/* cpusubtype */
62#define CPU_SUBTYPE_MULTIPLE INT32_C(-1)
63#define CPU_SUBTYPE_LITTLE_ENDIAN INT32_C(0)
64#define CPU_SUBTYPE_BIG_ENDIAN INT32_C(1)
65
66#define CPU_SUBTYPE_VAX_ALL INT32_C(0)
67#define CPU_SUBTYPE_VAX780 INT32_C(1)
68#define CPU_SUBTYPE_VAX785 INT32_C(2)
69#define CPU_SUBTYPE_VAX750 INT32_C(3)
70#define CPU_SUBTYPE_VAX730 INT32_C(4)
71#define CPU_SUBTYPE_UVAXI INT32_C(5)
72#define CPU_SUBTYPE_UVAXII INT32_C(6)
73#define CPU_SUBTYPE_VAX8200 INT32_C(7)
74#define CPU_SUBTYPE_VAX8500 INT32_C(8)
75#define CPU_SUBTYPE_VAX8600 INT32_C(9)
76#define CPU_SUBTYPE_VAX8650 INT32_C(10)
77#define CPU_SUBTYPE_VAX8800 INT32_C(11)
78#define CPU_SUBTYPE_UVAXIII INT32_C(12)
79
80#define CPU_SUBTYPE_MC680x0_ALL INT32_C(1)
81#define CPU_SUBTYPE_MC68030 INT32_C(1)
82#define CPU_SUBTYPE_MC68040 INT32_C(2)
83#define CPU_SUBTYPE_MC68030_ONLY INT32_C(3)
84
85#define CPU_SUBTYPE_INTEL(fam, model) ( (int32_t )(((model) << 4) | (fam)) )
86#define CPU_SUBTYPE_INTEL_FAMILY(subtype) ( (subtype) & 0xf )
87#define CPU_SUBTYPE_INTEL_MODEL(subtype) ( (subtype) >> 4 )
88#define CPU_SUBTYPE_INTEL_FAMILY_MAX 0xf
89#define CPU_SUBTYPE_INTEL_MODEL_ALL 0
90
91#define CPU_SUBTYPE_I386_ALL CPU_SUBTYPE_INTEL(3, 0)
92#define CPU_SUBTYPE_386 CPU_SUBTYPE_INTEL(3, 0)
93#define CPU_SUBTYPE_486 CPU_SUBTYPE_INTEL(4, 0)
94#define CPU_SUBTYPE_486SX CPU_SUBTYPE_INTEL(4, 8)
95#define CPU_SUBTYPE_586 CPU_SUBTYPE_INTEL(5, 0)
96#define CPU_SUBTYPE_PENT CPU_SUBTYPE_INTEL(5, 0)
97#define CPU_SUBTYPE_PENTPRO CPU_SUBTYPE_INTEL(6, 1)
98#define CPU_SUBTYPE_PENTII_M3 CPU_SUBTYPE_INTEL(6, 3)
99#define CPU_SUBTYPE_PENTII_M5 CPU_SUBTYPE_INTEL(6, 5)
100#define CPU_SUBTYPE_CELERON CPU_SUBTYPE_INTEL(7, 6)
101#define CPU_SUBTYPE_CELERON_MOBILE CPU_SUBTYPE_INTEL(7, 7)
102#define CPU_SUBTYPE_PENTIUM_3 CPU_SUBTYPE_INTEL(8, 0)
103#define CPU_SUBTYPE_PENTIUM_3_M CPU_SUBTYPE_INTEL(8, 1)
104#define CPU_SUBTYPE_PENTIUM_3_XEON CPU_SUBTYPE_INTEL(8, 2)
105#define CPU_SUBTYPE_PENTIUM_M CPU_SUBTYPE_INTEL(9, 0)
106#define CPU_SUBTYPE_PENTIUM_4 CPU_SUBTYPE_INTEL(10, 0)
107#define CPU_SUBTYPE_PENTIUM_4_M CPU_SUBTYPE_INTEL(10, 1)
108#define CPU_SUBTYPE_ITANIUM CPU_SUBTYPE_INTEL(11, 0)
109#define CPU_SUBTYPE_ITANIUM_2 CPU_SUBTYPE_INTEL(11, 1)
110#define CPU_SUBTYPE_XEON CPU_SUBTYPE_INTEL(12, 0)
111#define CPU_SUBTYPE_XEON_MP CPU_SUBTYPE_INTEL(12, 1)
112
113#define CPU_SUBTYPE_X86_ALL INT32_C(3)
114#define CPU_SUBTYPE_X86_64_ALL INT32_C(3)
115#define CPU_SUBTYPE_X86_ARCH1 INT32_C(4)
116
117#define CPU_SUBTYPE_MIPS_ALL INT32_C(0)
118#define CPU_SUBTYPE_MIPS_R2300 INT32_C(1)
119#define CPU_SUBTYPE_MIPS_R2600 INT32_C(2)
120#define CPU_SUBTYPE_MIPS_R2800 INT32_C(3)
121#define CPU_SUBTYPE_MIPS_R2000a INT32_C(4)
122#define CPU_SUBTYPE_MIPS_R2000 INT32_C(5)
123#define CPU_SUBTYPE_MIPS_R3000a INT32_C(6)
124#define CPU_SUBTYPE_MIPS_R3000 INT32_C(7)
125
126#define CPU_SUBTYPE_MC98000_ALL INT32_C(0)
127#define CPU_SUBTYPE_MC98601 INT32_C(1)
128
129#define CPU_SUBTYPE_HPPA_ALL INT32_C(0)
130#define CPU_SUBTYPE_HPPA_7100 INT32_C(0)
131#define CPU_SUBTYPE_HPPA_7100LC INT32_C(1)
132
133#define CPU_SUBTYPE_ARM_ALL INT32_C(0)
134#define CPU_SUBTYPE_ARM_V4T INT32_C(5)
135#define CPU_SUBTYPE_ARM_V6 INT32_C(6)
136#define CPU_SUBTYPE_ARM_V5TEJ INT32_C(7)
137#define CPU_SUBTYPE_ARM_XSCALE INT32_C(8)
138#define CPU_SUBTYPE_ARM_V7 INT32_C(9)
139#define CPU_SUBTYPE_ARM_V7F INT32_C(10)
140#define CPU_SUBTYPE_ARM_V7S INT32_C(11)
141#define CPU_SUBTYPE_ARM_V7K INT32_C(12)
142#define CPU_SUBTYPE_ARM_V8 INT32_C(13)
143#define CPU_SUBTYPE_ARM_V6M INT32_C(14)
144#define CPU_SUBTYPE_ARM_V7M INT32_C(15)
145#define CPU_SUBTYPE_ARM_V7EM INT32_C(16)
146#define CPU_SUBTYPE_ARM_V8M INT32_C(17)
147
148#define CPU_SUBTYPE_ARM64_ALL INT32_C(0)
149#define CPU_SUBTYPE_ARM64_V8 INT32_C(1)
150#define CPU_SUBTYPE_ARM64E INT32_C(2)
151#define CPU_SUBTYPE_ARM64_PTR_AUTH_MASK UINT32_C(0x0f000000)
152#define CPU_SUBTYPE_ARM64_PTR_AUTH_VERSION(a) ( ((a) & CPU_SUBTYPE_ARM64_PTR_AUTH_MASK) >> 24 )
153
154#define CPU_SUBTYPE_ARM64_32_ALL INT32_C(0)
155#define CPU_SUBTYPE_ARM64_32_V8 INT32_C(1)
156
157#define CPU_SUBTYPE_MC88000_ALL INT32_C(0)
158#define CPU_SUBTYPE_MC88100 INT32_C(1)
159#define CPU_SUBTYPE_MC88110 INT32_C(2)
160
161#define CPU_SUBTYPE_SPARC_ALL INT32_C(0)
162
163#define CPU_SUBTYPE_I860_ALL INT32_C(0)
164#define CPU_SUBTYPE_I860_860 INT32_C(1)
165
166#define CPU_SUBTYPE_POWERPC_ALL INT32_C(0)
167#define CPU_SUBTYPE_POWERPC_601 INT32_C(1)
168#define CPU_SUBTYPE_POWERPC_602 INT32_C(2)
169#define CPU_SUBTYPE_POWERPC_603 INT32_C(3)
170#define CPU_SUBTYPE_POWERPC_603e INT32_C(4)
171#define CPU_SUBTYPE_POWERPC_603ev INT32_C(5)
172#define CPU_SUBTYPE_POWERPC_604 INT32_C(6)
173#define CPU_SUBTYPE_POWERPC_604e INT32_C(7)
174#define CPU_SUBTYPE_POWERPC_620 INT32_C(8)
175#define CPU_SUBTYPE_POWERPC_750 INT32_C(9)
176#define CPU_SUBTYPE_POWERPC_7400 INT32_C(10)
177#define CPU_SUBTYPE_POWERPC_7450 INT32_C(11)
178#define CPU_SUBTYPE_POWERPC_Max INT32_C(10)
179#define CPU_SUBTYPE_POWERPC_SCVger INT32_C(11)
180#define CPU_SUBTYPE_POWERPC_970 INT32_C(100)
181
182#define CPU_SUBTYPE_MASK UINT32_C(0xff000000)
183#define CPU_SUBTYPE_LIB64 UINT32_C(0x80000000)
184
185#endif /* !CPU_ARCH_MASK */
186
187
188typedef struct fat_header
189{
190 uint32_t magic;
191 uint32_t nfat_arch;
192} fat_header_t;
193
194#ifndef IMAGE_FAT_SIGNATURE
195# define IMAGE_FAT_SIGNATURE UINT32_C(0xcafebabe)
196#endif
197#ifndef IMAGE_FAT_SIGNATURE_OE
198# define IMAGE_FAT_SIGNATURE_OE UINT32_C(0xbebafeca)
199#endif
200
201typedef struct fat_arch
202{
203 int32_t cputype;
204 int32_t cpusubtype;
205 uint32_t offset;
206 uint32_t size;
207 uint32_t align;
208} fat_arch_t;
209
210typedef struct mach_header_32
211{
212 uint32_t magic;
213 int32_t cputype;
214 int32_t cpusubtype;
215 uint32_t filetype;
216 uint32_t ncmds;
217 uint32_t sizeofcmds;
218 uint32_t flags;
219} mach_header_32_t;
220
221/* magic */
222#ifndef IMAGE_MACHO32_SIGNATURE
223# define IMAGE_MACHO32_SIGNATURE UINT32_C(0xfeedface)
224#endif
225#ifndef IMAGE_MACHO32_SIGNATURE_OE
226# define IMAGE_MACHO32_SIGNATURE_OE UINT32_C(0xcefaedfe)
227#endif
228#define MH_MAGIC IMAGE_MACHO32_SIGNATURE
229#define MH_CIGAM IMAGE_MACHO32_SIGNATURE_OE
230
231typedef struct mach_header_64
232{
233 uint32_t magic; /**< 0x00 */
234 int32_t cputype; /**< 0x04 */
235 int32_t cpusubtype; /**< 0x08 */
236 uint32_t filetype; /**< 0x0c */
237 uint32_t ncmds; /**< 0x10 */
238 uint32_t sizeofcmds; /**< 0x14 */
239 uint32_t flags; /**< 0x18 */
240 uint32_t reserved; /**< 0x1c */
241} mach_header_64_t;
242AssertCompileSize(mach_header_64_t, 0x20);
243
244/* magic */
245#ifndef IMAGE_MACHO64_SIGNATURE
246# define IMAGE_MACHO64_SIGNATURE UINT32_C(0xfeedfacf)
247#endif
248#ifndef IMAGE_MACHO64_SIGNATURE_OE
249# define IMAGE_MACHO64_SIGNATURE_OE UINT32_C(0xfefaedfe)
250#endif
251#define MH_MAGIC_64 IMAGE_MACHO64_SIGNATURE
252#define MH_CIGAM_64 IMAGE_MACHO64_SIGNATURE_OE
253
254/* mach_header_* filetype */
255#define MH_OBJECT UINT32_C(1)
256#define MH_EXECUTE UINT32_C(2)
257#define MH_FVMLIB UINT32_C(3)
258#define MH_CORE UINT32_C(4)
259#define MH_PRELOAD UINT32_C(5)
260#define MH_DYLIB UINT32_C(6)
261#define MH_DYLINKER UINT32_C(7)
262#define MH_BUNDLE UINT32_C(8)
263#define MH_DYLIB_STUB UINT32_C(9)
264#define MH_DSYM UINT32_C(10)
265#define MH_KEXT_BUNDLE UINT32_C(11)
266
267/* mach_header_* flags */
268#define MH_NOUNDEFS UINT32_C(0x00000001)
269#define MH_INCRLINK UINT32_C(0x00000002)
270#define MH_DYLDLINK UINT32_C(0x00000004)
271#define MH_BINDATLOAD UINT32_C(0x00000008)
272#define MH_PREBOUND UINT32_C(0x00000010)
273#define MH_SPLIT_SEGS UINT32_C(0x00000020)
274#define MH_LAZY_INIT UINT32_C(0x00000040)
275#define MH_TWOLEVEL UINT32_C(0x00000080)
276#define MH_FORCE_FLAT UINT32_C(0x00000100)
277#define MH_NOMULTIDEFS UINT32_C(0x00000200)
278#define MH_NOFIXPREBINDING UINT32_C(0x00000400)
279#define MH_PREBINDABLE UINT32_C(0x00000800)
280#define MH_ALLMODSBOUND UINT32_C(0x00001000)
281#define MH_SUBSECTIONS_VIA_SYMBOLS UINT32_C(0x00002000)
282#define MH_CANONICAL UINT32_C(0x00004000)
283#define MH_WEAK_DEFINES UINT32_C(0x00008000)
284#define MH_BINDS_TO_WEAK UINT32_C(0x00010000)
285#define MH_ALLOW_STACK_EXECUTION UINT32_C(0x00020000)
286#define MH_ROOT_SAFE UINT32_C(0x00040000)
287#define MH_SETUID_SAFE UINT32_C(0x00080000)
288#define MH_NO_REEXPORTED_DYLIBS UINT32_C(0x00100000)
289#define MH_PIE UINT32_C(0x00200000)
290#define MH_DEAD_STRIPPABLE_DYLIB UINT32_C(0x00400000)
291#define MH_HAS_TLV_DESCRIPTORS UINT32_C(0x00800000)
292#define MH_NO_HEAP_EXECUTION UINT32_C(0x01000000)
293#define MH_UNKNOWN UINT32_C(0x80000000)
294#define MH_VALID_FLAGS UINT32_C(0x81ffffff)
295
296
297typedef struct load_command
298{
299 uint32_t cmd;
300 uint32_t cmdsize;
301} load_command_t;
302
303/* load cmd */
304#define LC_REQ_DYLD UINT32_C(0x80000000)
305#define LC_SEGMENT_32 UINT32_C(0x01)
306#define LC_SYMTAB UINT32_C(0x02)
307#define LC_SYMSEG UINT32_C(0x03)
308#define LC_THREAD UINT32_C(0x04)
309#define LC_UNIXTHREAD UINT32_C(0x05)
310#define LC_LOADFVMLIB UINT32_C(0x06)
311#define LC_IDFVMLIB UINT32_C(0x07)
312#define LC_IDENT UINT32_C(0x08)
313#define LC_FVMFILE UINT32_C(0x09)
314#define LC_PREPAGE UINT32_C(0x0a)
315#define LC_DYSYMTAB UINT32_C(0x0b)
316#define LC_LOAD_DYLIB UINT32_C(0x0c)
317#define LC_ID_DYLIB UINT32_C(0x0d)
318#define LC_LOAD_DYLINKER UINT32_C(0x0e)
319#define LC_ID_DYLINKER UINT32_C(0x0f)
320#define LC_PREBOUND_DYLIB UINT32_C(0x10)
321#define LC_ROUTINES UINT32_C(0x11)
322#define LC_SUB_FRAMEWORK UINT32_C(0x12)
323#define LC_SUB_UMBRELLA UINT32_C(0x13)
324#define LC_SUB_CLIENT UINT32_C(0x14)
325#define LC_SUB_LIBRARY UINT32_C(0x15)
326#define LC_TWOLEVEL_HINTS UINT32_C(0x16)
327#define LC_PREBIND_CKSUM UINT32_C(0x17)
328#define LC_LOAD_WEAK_DYLIB (UINT32_C(0x18) | LC_REQ_DYLD)
329#define LC_SEGMENT_64 UINT32_C(0x19)
330#define LC_ROUTINES_64 UINT32_C(0x1a)
331#define LC_UUID UINT32_C(0x1b)
332#define LC_RPATH (UINT32_C(0x1c) | LC_REQ_DYLD)
333#define LC_CODE_SIGNATURE UINT32_C(0x1d)
334#define LC_SEGMENT_SPLIT_INFO UINT32_C(0x1e)
335#define LC_REEXPORT_DYLIB (UINT32_C(0x1f) | LC_REQ_DYLD)
336#define LC_LAZY_LOAD_DYLIB UINT32_C(0x20)
337#define LC_ENCRYPTION_INFO UINT32_C(0x21)
338#define LC_DYLD_INFO UINT32_C(0x22)
339#define LC_DYLD_INFO_ONLY (UINT32_C(0x22) | LC_REQ_DYLD)
340#define LC_LOAD_UPWARD_DYLIB (UINT32_C(0x23) | LC_REQ_DYLD)
341#define LC_VERSION_MIN_MACOSX UINT32_C(0x24)
342#define LC_VERSION_MIN_IPHONEOS UINT32_C(0x25)
343#define LC_FUNCTION_STARTS UINT32_C(0x26)
344#define LC_DYLD_ENVIRONMENT UINT32_C(0x27)
345#define LC_MAIN (UINT32_C(0x28) | LC_REQ_DYLD)
346#define LC_DATA_IN_CODE UINT32_C(0x29)
347#define LC_SOURCE_VERSION UINT32_C(0x2a) /**< source_version_command */
348#define LC_DYLIB_CODE_SIGN_DRS UINT32_C(0x2b)
349#define LC_ENCRYPTION_INFO_64 UINT32_C(0x2c)
350#define LC_LINKER_OPTION UINT32_C(0x2d)
351#define LC_LINKER_OPTIMIZATION_HINT UINT32_C(0x2e)
352#define LC_VERSION_MIN_TVOS UINT32_C(0x2f)
353#define LC_VERSION_MIN_WATCHOS UINT32_C(0x30)
354#define LC_NOTE UINT32_C(0x31)
355#define LC_BUILD_VERSION UINT32_C(0x32)
356
357
358typedef struct lc_str
359{
360 uint32_t offset;
361} lc_str_t;
362
363typedef struct segment_command_32
364{
365 uint32_t cmd;
366 uint32_t cmdsize;
367 char segname[16];
368 uint32_t vmaddr;
369 uint32_t vmsize;
370 uint32_t fileoff;
371 uint32_t filesize;
372 uint32_t maxprot;
373 uint32_t initprot;
374 uint32_t nsects;
375 uint32_t flags;
376} segment_command_32_t;
377
378typedef struct segment_command_64
379{
380 uint32_t cmd;
381 uint32_t cmdsize;
382 char segname[16];
383 uint64_t vmaddr;
384 uint64_t vmsize;
385 uint64_t fileoff;
386 uint64_t filesize;
387 uint32_t maxprot;
388 uint32_t initprot;
389 uint32_t nsects;
390 uint32_t flags;
391} segment_command_64_t;
392
393/* segment flags */
394#define SG_HIGHVM UINT32_C(0x00000001)
395#define SG_FVMLIB UINT32_C(0x00000002)
396#define SG_NORELOC UINT32_C(0x00000004)
397#define SG_PROTECTED_VERSION_1 UINT32_C(0x00000008)
398#define SG_READ_ONLY UINT32_C(0x00000010) /**< Make it read-only after applying fixups. @since 10.14 */
399
400/* maxprot/initprot */
401#ifndef VM_PROT_NONE
402# define VM_PROT_NONE UINT32_C(0x00000000)
403# define VM_PROT_READ UINT32_C(0x00000001)
404# define VM_PROT_WRITE UINT32_C(0x00000002)
405# define VM_PROT_EXECUTE UINT32_C(0x00000004)
406# define VM_PROT_ALL UINT32_C(0x00000007)
407#endif
408
409typedef struct section_32
410{
411 char sectname[16];
412 char segname[16];
413 uint32_t addr;
414 uint32_t size;
415 uint32_t offset;
416 uint32_t align;
417 uint32_t reloff;
418 uint32_t nreloc;
419 uint32_t flags;
420 /** For S_LAZY_SYMBOL_POINTERS, S_NON_LAZY_SYMBOL_POINTERS and S_SYMBOL_STUBS
421 * this is the index into the indirect symbol table. */
422 uint32_t reserved1;
423 /** For S_SYMBOL_STUBS this is the entry size. */
424 uint32_t reserved2;
425} section_32_t;
426
427typedef struct section_64
428{
429 char sectname[16];
430 char segname[16];
431 uint64_t addr;
432 uint64_t size;
433 uint32_t offset;
434 uint32_t align;
435 uint32_t reloff;
436 uint32_t nreloc;
437 uint32_t flags;
438 /** For S_LAZY_SYMBOL_POINTERS, S_NON_LAZY_SYMBOL_POINTERS and S_SYMBOL_STUBS
439 * this is the index into the indirect symbol table. */
440 uint32_t reserved1;
441 uint32_t reserved2;
442 uint32_t reserved3;
443} section_64_t;
444
445/* section flags */
446#define SECTION_TYPE UINT32_C(0xff)
447#define S_REGULAR UINT32_C(0x00)
448#define S_ZEROFILL UINT32_C(0x01)
449#define S_CSTRING_LITERALS UINT32_C(0x02)
450#define S_4BYTE_LITERALS UINT32_C(0x03)
451#define S_8BYTE_LITERALS UINT32_C(0x04)
452#define S_LITERAL_POINTERS UINT32_C(0x05)
453#define S_NON_LAZY_SYMBOL_POINTERS UINT32_C(0x06)
454#define S_LAZY_SYMBOL_POINTERS UINT32_C(0x07)
455#define S_SYMBOL_STUBS UINT32_C(0x08)
456#define S_MOD_INIT_FUNC_POINTERS UINT32_C(0x09)
457#define S_MOD_TERM_FUNC_POINTERS UINT32_C(0x0a)
458#define S_COALESCED UINT32_C(0x0b)
459#define S_GB_ZEROFILL UINT32_C(0x0c)
460#define S_INTERPOSING UINT32_C(0x0d)
461#define S_16BYTE_LITERALS UINT32_C(0x0e)
462#define S_DTRACE_DOF UINT32_C(0x0f)
463#define S_LAZY_DYLIB_SYMBOL_POINTERS UINT32_C(0x10)
464#define S_THREAD_LOCAL_REGULAR UINT32_C(0x11)
465#define S_THREAD_LOCAL_ZEROFILL UINT32_C(0x12)
466#define S_THREAD_LOCAL_VARIABLES UINT32_C(0x13)
467#define S_THREAD_LOCAL_VARIABLE_POINTERS UINT32_C(0x14)
468#define S_THREAD_LOCAL_INIT_FUNCTION_POINTERS UINT32_C(0x15)
469
470
471
472
473#define SECTION_ATTRIBUTES UINT32_C(0xffffff00)
474#define SECTION_ATTRIBUTES_USR UINT32_C(0xff000000)
475#define S_ATTR_PURE_INSTRUCTIONS UINT32_C(0x80000000)
476#define S_ATTR_NO_TOC UINT32_C(0x40000000)
477#define S_ATTR_STRIP_STATIC_SYMS UINT32_C(0x20000000)
478#define S_ATTR_NO_DEAD_STRIP UINT32_C(0x10000000)
479#define S_ATTR_LIVE_SUPPORT UINT32_C(0x08000000)
480#define S_ATTR_SELF_MODIFYING_CODE UINT32_C(0x04000000)
481#define S_ATTR_DEBUG UINT32_C(0x02000000)
482#define SECTION_ATTRIBUTES_SYS UINT32_C(0x00ffff00)
483#define S_ATTR_SOME_INSTRUCTIONS UINT32_C(0x00000400)
484#define S_ATTR_EXT_RELOC UINT32_C(0x00000200)
485#define S_ATTR_LOC_RELOC UINT32_C(0x00000100)
486
487/* standard section names */
488#define SEG_PAGEZERO "__PAGEZERO"
489#define SEG_TEXT "__TEXT"
490#define SECT_TEXT "__text"
491#define SECT_FVMLIB_INIT0 "__fvmlib_init0"
492#define SECT_FVMLIB_INIT1 "__fvmlib_init1"
493#define SEG_DATA "__DATA"
494#define SECT_DATA "__data"
495#define SECT_BSS "__bss"
496#define SECT_COMMON "__common"
497#define SEG_OBJC "__OBJC"
498#define SECT_OBJC_SYMBOLS "__symbol_table"
499#define SECT_OBJC_MODULES "__module_info"
500#define SECT_OBJC_STRINGS "__selector_strs"
501#define SECT_OBJC_REFS "__selector_refs"
502#define SEG_ICON "__ICON"
503#define SECT_ICON_HEADER "__header"
504#define SECT_ICON_TIFF "__tiff"
505#define SEG_LINKEDIT "__LINKEDIT"
506#define SEG_UNIXSTACK "__UNIXSTACK"
507#define SEG_IMPORT "__IMPORT"
508
509typedef struct thread_command
510{
511 uint32_t cmd;
512 uint32_t cmdsize;
513} thread_command_t;
514
515typedef struct symtab_command
516{
517 uint32_t cmd;
518 uint32_t cmdsize;
519 uint32_t symoff;
520 uint32_t nsyms;
521 uint32_t stroff;
522 uint32_t strsize;
523} symtab_command_t;
524
525typedef struct dysymtab_command
526{
527 uint32_t cmd;
528 uint32_t cmdsize;
529 /** @name Symbol groupings.
530 * @{ */
531 uint32_t ilocalsym; /**< Index into the symbol table of the first local symbol. */
532 uint32_t nlocalsym; /**< Number of local symbols. */
533 uint32_t iextdefsym; /**< Index into the symbol table of the first externally defined symbol. */
534 uint32_t nextdefsym; /**< Number of externally defined symbols. */
535 uint32_t iundefsym; /**< Index into the symbol table of the first undefined symbol. */
536 uint32_t nundefsym; /**< Number of undefined symbols. */
537 /** @} */
538 uint32_t tocoff; /**< Table of content file offset. (usually empty) */
539 uint32_t ntoc; /**< Number of entries in TOC. */
540 uint32_t modtaboff; /** The module table file offset. (usually empty) */
541 uint32_t nmodtab; /**< Number of entries in the module table. */
542 /** @name Dynamic symbol tables.
543 * @{ */
544 uint32_t extrefsymoff; /**< Externally referenceable symbol table file offset. @sa dylib_reference_t */
545 uint32_t nextrefsym; /**< Number externally referenceable symbols. */
546 uint32_t indirectsymboff; /**< Indirect symbol table (32-bit symtab indexes) for thunks and offset tables. */
547 uint32_t nindirectsymb; /**< Number of indirect symbol table entries. */
548 /** @} */
549 /** @name Relocations.
550 * @{ */
551 uint32_t extreloff; /**< External relocations (r_address is relative to first segment (i.e. RVA)). */
552 uint32_t nextrel; /**< Number of external relocations. */
553 uint32_t locreloff; /**< Local relocations (r_address is relative to first segment (i.e. RVA)). */
554 uint32_t nlocrel; /**< Number of local relocations. */
555 /** @} */
556} dysymtab_command_t;
557AssertCompileSize(dysymtab_command_t, 80);
558
559/** Special indirect symbol table entry value, stripped local symbol. */
560#define INDIRECT_SYMBOL_LOCAL UINT32_C(0x80000000)
561/** Special indirect symbol table entry value, stripped absolute symbol. */
562#define INDIRECT_SYMBOL_ABS UINT32_C(0x40000000)
563
564typedef struct dylib_reference
565{
566 uint32_t isym : 24; /**< Symbol table index. */
567 uint32_t flags : 8; /**< REFERENCE_FLAG_XXX? */
568} dylib_reference_t;
569AssertCompileSize(dylib_reference_t, 4);
570
571
572typedef struct dylib_table_of_contents
573{
574 uint32_t symbol_index; /**< External symbol table entry. */
575 uint32_t module_index; /**< The module table index of the module defining it. */
576} dylib_table_of_contents_t;
577AssertCompileSize(dylib_table_of_contents_t, 8);
578
579
580/** 32-bit module table entry. */
581typedef struct dylib_module
582{
583 uint32_t module_name;
584 uint32_t iextdefsym;
585 uint32_t nextdefsym;
586 uint32_t irefsym;
587 uint32_t nrefsym;
588 uint32_t ilocalsym;
589 uint32_t nlocalsym;
590 uint32_t iextrel;
591 uint32_t nextrel;
592 uint32_t iinit_iterm;
593 uint32_t ninit_nterm;
594 uint32_t objc_module_info_addr;
595 uint32_t objc_module_info_size;
596} dylib_module_32_t;
597AssertCompileSize(dylib_module_32_t, 13*4);
598
599/* a 64-bit module table entry */
600typedef struct dylib_module_64
601{
602 uint32_t module_name;
603 uint32_t iextdefsym;
604 uint32_t nextdefsym;
605 uint32_t irefsym;
606 uint32_t nrefsym;
607 uint32_t ilocalsym;
608 uint32_t nlocalsym;
609 uint32_t iextrel;
610 uint32_t nextrel;
611 uint32_t iinit_iterm;
612 uint32_t ninit_nterm;
613 uint32_t objc_module_info_size;
614 uint64_t objc_module_info_addr;
615} dylib_module_64_t;
616AssertCompileSize(dylib_module_64_t, 12*4+8);
617
618typedef struct uuid_command
619{
620 uint32_t cmd;
621 uint32_t cmdsize;
622 uint8_t uuid[16];
623} uuid_command_t;
624AssertCompileSize(uuid_command_t, 24);
625
626typedef struct linkedit_data_command
627{
628 uint32_t cmd; /**< LC_CODE_SIGNATURE, LC_SEGMENT_SPLIT_INFO, LC_FUNCTION_STARTS */
629 uint32_t cmdsize; /**< Size of this structure (16). */
630 uint32_t dataoff; /**< Offset into the file of the data. */
631 uint32_t datasize; /**< The size of the data. */
632} linkedit_data_command_t;
633AssertCompileSize(linkedit_data_command_t, 16);
634
635typedef struct version_min_command
636{
637 uint32_t cmd; /**< LC_VERSION_MIN_MACOSX, LC_VERSION_MIN_IPHONEOS, LC_VERSION_MIN_TVOS, LC_VERSION_MIN_WATCHOS */
638 uint32_t cmdsize; /**< Size of this structure (16). */
639 uint32_t version; /**< 31..16=major, 15..8=minor, 7..0=patch. */
640 uint32_t reserved; /**< MBZ. */
641} version_min_command_t;
642AssertCompileSize(version_min_command_t, 16);
643
644typedef struct build_tool_version
645{
646 uint32_t tool; /**< TOOL_XXX */
647 uint32_t version; /**< 31..16=major, 15..8=minor, 7..0=patch. */
648} build_tool_version_t;
649AssertCompileSize(build_tool_version_t, 8);
650
651/** @name TOOL_XXX - Values for build_tool_version::tool
652 * @{ */
653#define TOOL_CLANG 1
654#define TOOL_SWIFT 2
655#define TOOL_LD 3
656/** @} */
657
658typedef struct build_version_command
659{
660 uint32_t cmd; /**< LC_BUILD_VERSION */
661 uint32_t cmdsize; /**< Size of this structure (at least 24). */
662 uint32_t platform; /**< PLATFORM_XXX */
663 uint32_t minos; /**< Minimum OS version: 31..16=major, 15..8=minor, 7..0=patch */
664 uint32_t sdk; /**< SDK version: 31..16=major, 15..8=minor, 7..0=patch */
665 uint32_t ntools; /**< Number of build_tool_version entries following in aTools. */
666 RT_FLEXIBLE_ARRAY_EXTENSION
667 build_tool_version_t aTools[RT_FLEXIBLE_ARRAY];
668} build_version_command_t;
669AssertCompileMemberOffset(build_version_command_t, aTools, 24);
670
671/** @name PLATFORM_XXX - Values for build_version_command::platform
672 * @{ */
673#define PLATFORM_MACOS 1
674#define PLATFORM_IOS 2
675#define PLATFORM_TVOS 3
676#define PLATFORM_WATCHOS 4
677/** @} */
678
679typedef struct source_version_command
680{
681 uint32_t cmd; /**< LC_SOURCE_VERSION */
682 uint32_t cmdsize; /**< Size of this structure (16). */
683 uint64_t version; /**< A.B.C.D.E, where A is 24 bits wide and the rest 10 bits each. */
684} source_version_command_t;
685AssertCompileSize(source_version_command_t, 16);
686
687
688typedef struct macho_nlist_32
689{
690 union
691 {
692 int32_t n_strx;
693 } n_un;
694 uint8_t n_type;
695 uint8_t n_sect;
696 int16_t n_desc;
697 uint32_t n_value;
698} macho_nlist_32_t;
699
700
701typedef struct macho_nlist_64
702{
703 union
704 {
705 uint32_t n_strx;
706 } n_un;
707 uint8_t n_type;
708 uint8_t n_sect;
709 int16_t n_desc;
710 uint64_t n_value;
711} macho_nlist_64_t;
712
713#define MACHO_N_EXT UINT8_C(0x01)
714#define MACHO_N_PEXT UINT8_C(0x10)
715
716#define MACHO_N_TYPE UINT8_C(0x0e)
717#define MACHO_N_UNDF UINT8_C(0x00)
718#define MACHO_N_ABS UINT8_C(0x02)
719#define MACHO_N_INDR UINT8_C(0x0a)
720#define MACHO_N_PBUD UINT8_C(0x0c)
721#define MACHO_N_SECT UINT8_C(0x0e)
722
723#define MACHO_N_STAB UINT8_C(0xe0)
724#define MACHO_N_GSYM UINT8_C(0x20)
725#define MACHO_N_FNAME UINT8_C(0x22)
726#define MACHO_N_FUN UINT8_C(0x24)
727#define MACHO_N_STSYM UINT8_C(0x26)
728#define MACHO_N_LCSYM UINT8_C(0x28)
729#define MACHO_N_BNSYM UINT8_C(0x2e)
730#define MACHO_N_PC UINT8_C(0x30)
731#define MACHO_N_OPT UINT8_C(0x3c)
732#define MACHO_N_RSYM UINT8_C(0x40)
733#define MACHO_N_SLINE UINT8_C(0x44)
734#define MACHO_N_ENSYM UINT8_C(0x4e)
735#define MACHO_N_SSYM UINT8_C(0x60)
736#define MACHO_N_SO UINT8_C(0x64)
737#define MACHO_N_OSO UINT8_C(0x66)
738#define MACHO_N_LSYM UINT8_C(0x80)
739#define MACHO_N_BINCL UINT8_C(0x82)
740#define MACHO_N_SOL UINT8_C(0x84)
741#define MACHO_N_PARAMS UINT8_C(0x86)
742#define MACHO_N_VERSION UINT8_C(0x88)
743#define MACHO_N_OLEVEL UINT8_C(0x8A)
744#define MACHO_N_PSYM UINT8_C(0xa0)
745#define MACHO_N_EINCL UINT8_C(0xa2)
746#define MACHO_N_ENTRY UINT8_C(0xa4)
747#define MACHO_N_LBRAC UINT8_C(0xc0)
748#define MACHO_N_EXCL UINT8_C(0xc2)
749#define MACHO_N_RBRAC UINT8_C(0xe0)
750#define MACHO_N_BCOMM UINT8_C(0xe2)
751#define MACHO_N_ECOMM UINT8_C(0xe4)
752#define MACHO_N_ECOML UINT8_C(0xe8)
753#define MACHO_N_LENG UINT8_C(0xfe)
754
755#define MACHO_NO_SECT UINT8_C(0x00)
756#define MACHO_MAX_SECT UINT8_C(0xff)
757
758#define REFERENCE_TYPE UINT16_C(0x000f)
759#define REFERENCE_FLAG_UNDEFINED_NON_LAZY 0
760#define REFERENCE_FLAG_UNDEFINED_LAZY 1
761#define REFERENCE_FLAG_DEFINED 2
762#define REFERENCE_FLAG_PRIVATE_DEFINED 3
763#define REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY 4
764#define REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY 5
765#define REFERENCED_DYNAMICALLY UINT16_C(0x0010)
766
767#define GET_LIBRARY_ORDINAL(a_n_desc) \
768 RT_BYTE2(a_n_desc)
769#define SET_LIBRARY_ORDINAL(a_n_desc, a_ordinal) \
770 do { (a_n_desc) = RT_MAKE_U16(RT_BYTE1(a_n_desc), a_ordinal); } while (0)
771
772#define SELF_LIBRARY_ORDINAL 0x00
773#define MAX_LIBRARY_ORDINAL 0xfd
774#define DYNAMIC_LOOKUP_ORDINAL 0xfe
775#define EXECUTABLE_ORDINAL 0xff
776
777#define N_NO_DEAD_STRIP UINT16_C(0x0020)
778#define N_DESC_DISCARDED UINT16_C(0x0020)
779#define N_WEAK_REF UINT16_C(0x0040)
780#define N_WEAK_DEF UINT16_C(0x0080)
781#define N_REF_TO_WEAK UINT16_C(0x0080)
782#define N_SYMBOL_RESOLVER UINT16_C(0x0100)
783#define N_ALT_ENTRY UINT16_C(0x0200)
784
785typedef struct macho_relocation_info
786{
787 int32_t r_address;
788 uint32_t r_symbolnum : 24;
789 uint32_t r_pcrel : 1;
790 uint32_t r_length : 2;
791 uint32_t r_extern : 1;
792 uint32_t r_type : 4;
793} macho_relocation_info_t;
794AssertCompileSize(macho_relocation_info_t, 8);
795
796#define R_ABS 0
797#define R_SCATTERED UINT32_C(0x80000000)
798
799typedef struct scattered_relocation_info
800{
801#ifdef RT_LITTLE_ENDIAN
802 uint32_t r_address : 24;
803 uint32_t r_type : 4;
804 uint32_t r_length : 2;
805 uint32_t r_pcrel : 1;
806 uint32_t r_scattered : 1;
807#elif defined(RT_BIG_ENDIAN)
808 uint32_t r_scattered : 1;
809 uint32_t r_pcrel : 1;
810 uint32_t r_length : 2;
811 uint32_t r_type : 4;
812 uint32_t r_address : 24;
813#else
814# error "Neither K_ENDIAN isn't LITTLE or BIG!"
815#endif
816 int32_t r_value;
817} scattered_relocation_info_t;
818AssertCompileSize(scattered_relocation_info_t, 8);
819
820typedef union
821{
822 macho_relocation_info_t r;
823 scattered_relocation_info_t s;
824} macho_relocation_union_t;
825AssertCompileSize(macho_relocation_union_t, 8);
826
827typedef enum reloc_type_generic
828{
829 GENERIC_RELOC_VANILLA = 0,
830 GENERIC_RELOC_PAIR,
831 GENERIC_RELOC_SECTDIFF,
832 GENERIC_RELOC_PB_LA_PTR,
833 GENERIC_RELOC_LOCAL_SECTDIFF
834} reloc_type_generic_t;
835
836typedef enum reloc_type_x86_64
837{
838 X86_64_RELOC_UNSIGNED = 0,
839 X86_64_RELOC_SIGNED,
840 X86_64_RELOC_BRANCH,
841 X86_64_RELOC_GOT_LOAD,
842 X86_64_RELOC_GOT,
843 X86_64_RELOC_SUBTRACTOR,
844 X86_64_RELOC_SIGNED_1,
845 X86_64_RELOC_SIGNED_2,
846 X86_64_RELOC_SIGNED_4
847} reloc_type_x86_64_t;
848
849#endif /* !IPRT_INCLUDED_formats_mach_o_h */
850
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