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source: vbox/trunk/include/iprt/formats/mach-o.h@ 103224

Last change on this file since 103224 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

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1/* $Id: mach-o.h 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * IPRT - Mach-O Structures and Constants.
4 */
5
6/*
7 * Copyright (C) 2011-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * The contents of this file may alternatively be used under the terms
26 * of the Common Development and Distribution License Version 1.0
27 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28 * in the VirtualBox distribution, in which case the provisions of the
29 * CDDL are applicable instead of those of the GPL.
30 *
31 * You may elect to license modified versions of this file under the
32 * terms and conditions of either the GPL or the CDDL or both.
33 *
34 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35 */
36
37#ifndef IPRT_INCLUDED_formats_mach_o_h
38#define IPRT_INCLUDED_formats_mach_o_h
39#ifndef RT_WITHOUT_PRAGMA_ONCE
40# pragma once
41#endif
42
43#include <iprt/types.h>
44#include <iprt/assertcompile.h>
45
46#ifndef CPU_ARCH_MASK
47
48/* cputype */
49#define CPU_ARCH_MASK INT32_C(0xff000000)
50#define CPU_ARCH_ABI64 INT32_C(0x01000000)
51#define CPU_ARCH_ABI64_32 INT32_C(0x02000000) /**< LP32 on 64-bit hardware */
52
53#define CPU_TYPE_ANY INT32_C(-1)
54#define CPU_TYPE_VAX INT32_C(1)
55#define CPU_TYPE_MC680x0 INT32_C(6)
56#define CPU_TYPE_X86 INT32_C(7)
57#define CPU_TYPE_I386 CPU_TYPE_X86
58#define CPU_TYPE_X86_64 (CPU_TYPE_X86 | CPU_ARCH_ABI64)
59#define CPU_TYPE_MC98000 INT32_C(10)
60#define CPU_TYPE_HPPA INT32_C(11)
61#define CPU_TYPE_ARM INT32_C(12)
62#define CPU_TYPE_ARM32 CPU_TYPE_ARM
63#define CPU_TYPE_ARM64 (CPU_TYPE_ARM | CPU_ARCH_ABI64)
64#define CPU_TYPE_ARM64_32 (CPU_TYPE_ARM | CPU_ARCH_ABI64_32)
65#define CPU_TYPE_MC88000 INT32_C(13)
66#define CPU_TYPE_SPARC INT32_C(14)
67#define CPU_TYPE_I860 INT32_C(15)
68#define CPU_TYPE_POWERPC INT32_C(18)
69#define CPU_TYPE_POWERPC64 (CPU_TYPE_POWERPC | CPU_ARCH_ABI64)
70
71/* cpusubtype */
72#define CPU_SUBTYPE_MULTIPLE INT32_C(-1)
73#define CPU_SUBTYPE_LITTLE_ENDIAN INT32_C(0)
74#define CPU_SUBTYPE_BIG_ENDIAN INT32_C(1)
75
76#define CPU_SUBTYPE_VAX_ALL INT32_C(0)
77#define CPU_SUBTYPE_VAX780 INT32_C(1)
78#define CPU_SUBTYPE_VAX785 INT32_C(2)
79#define CPU_SUBTYPE_VAX750 INT32_C(3)
80#define CPU_SUBTYPE_VAX730 INT32_C(4)
81#define CPU_SUBTYPE_UVAXI INT32_C(5)
82#define CPU_SUBTYPE_UVAXII INT32_C(6)
83#define CPU_SUBTYPE_VAX8200 INT32_C(7)
84#define CPU_SUBTYPE_VAX8500 INT32_C(8)
85#define CPU_SUBTYPE_VAX8600 INT32_C(9)
86#define CPU_SUBTYPE_VAX8650 INT32_C(10)
87#define CPU_SUBTYPE_VAX8800 INT32_C(11)
88#define CPU_SUBTYPE_UVAXIII INT32_C(12)
89
90#define CPU_SUBTYPE_MC680x0_ALL INT32_C(1)
91#define CPU_SUBTYPE_MC68030 INT32_C(1)
92#define CPU_SUBTYPE_MC68040 INT32_C(2)
93#define CPU_SUBTYPE_MC68030_ONLY INT32_C(3)
94
95#define CPU_SUBTYPE_INTEL(fam, model) ( (int32_t )(((model) << 4) | (fam)) )
96#define CPU_SUBTYPE_INTEL_FAMILY(subtype) ( (subtype) & 0xf )
97#define CPU_SUBTYPE_INTEL_MODEL(subtype) ( (subtype) >> 4 )
98#define CPU_SUBTYPE_INTEL_FAMILY_MAX 0xf
99#define CPU_SUBTYPE_INTEL_MODEL_ALL 0
100
101#define CPU_SUBTYPE_I386_ALL CPU_SUBTYPE_INTEL(3, 0)
102#define CPU_SUBTYPE_386 CPU_SUBTYPE_INTEL(3, 0)
103#define CPU_SUBTYPE_486 CPU_SUBTYPE_INTEL(4, 0)
104#define CPU_SUBTYPE_486SX CPU_SUBTYPE_INTEL(4, 8)
105#define CPU_SUBTYPE_586 CPU_SUBTYPE_INTEL(5, 0)
106#define CPU_SUBTYPE_PENT CPU_SUBTYPE_INTEL(5, 0)
107#define CPU_SUBTYPE_PENTPRO CPU_SUBTYPE_INTEL(6, 1)
108#define CPU_SUBTYPE_PENTII_M3 CPU_SUBTYPE_INTEL(6, 3)
109#define CPU_SUBTYPE_PENTII_M5 CPU_SUBTYPE_INTEL(6, 5)
110#define CPU_SUBTYPE_CELERON CPU_SUBTYPE_INTEL(7, 6)
111#define CPU_SUBTYPE_CELERON_MOBILE CPU_SUBTYPE_INTEL(7, 7)
112#define CPU_SUBTYPE_PENTIUM_3 CPU_SUBTYPE_INTEL(8, 0)
113#define CPU_SUBTYPE_PENTIUM_3_M CPU_SUBTYPE_INTEL(8, 1)
114#define CPU_SUBTYPE_PENTIUM_3_XEON CPU_SUBTYPE_INTEL(8, 2)
115#define CPU_SUBTYPE_PENTIUM_M CPU_SUBTYPE_INTEL(9, 0)
116#define CPU_SUBTYPE_PENTIUM_4 CPU_SUBTYPE_INTEL(10, 0)
117#define CPU_SUBTYPE_PENTIUM_4_M CPU_SUBTYPE_INTEL(10, 1)
118#define CPU_SUBTYPE_ITANIUM CPU_SUBTYPE_INTEL(11, 0)
119#define CPU_SUBTYPE_ITANIUM_2 CPU_SUBTYPE_INTEL(11, 1)
120#define CPU_SUBTYPE_XEON CPU_SUBTYPE_INTEL(12, 0)
121#define CPU_SUBTYPE_XEON_MP CPU_SUBTYPE_INTEL(12, 1)
122
123#define CPU_SUBTYPE_X86_ALL INT32_C(3)
124#define CPU_SUBTYPE_X86_64_ALL INT32_C(3)
125#define CPU_SUBTYPE_X86_ARCH1 INT32_C(4)
126
127#define CPU_SUBTYPE_MIPS_ALL INT32_C(0)
128#define CPU_SUBTYPE_MIPS_R2300 INT32_C(1)
129#define CPU_SUBTYPE_MIPS_R2600 INT32_C(2)
130#define CPU_SUBTYPE_MIPS_R2800 INT32_C(3)
131#define CPU_SUBTYPE_MIPS_R2000a INT32_C(4)
132#define CPU_SUBTYPE_MIPS_R2000 INT32_C(5)
133#define CPU_SUBTYPE_MIPS_R3000a INT32_C(6)
134#define CPU_SUBTYPE_MIPS_R3000 INT32_C(7)
135
136#define CPU_SUBTYPE_MC98000_ALL INT32_C(0)
137#define CPU_SUBTYPE_MC98601 INT32_C(1)
138
139#define CPU_SUBTYPE_HPPA_ALL INT32_C(0)
140#define CPU_SUBTYPE_HPPA_7100 INT32_C(0)
141#define CPU_SUBTYPE_HPPA_7100LC INT32_C(1)
142
143#define CPU_SUBTYPE_ARM_ALL INT32_C(0)
144#define CPU_SUBTYPE_ARM_V4T INT32_C(5)
145#define CPU_SUBTYPE_ARM_V6 INT32_C(6)
146#define CPU_SUBTYPE_ARM_V5TEJ INT32_C(7)
147#define CPU_SUBTYPE_ARM_XSCALE INT32_C(8)
148#define CPU_SUBTYPE_ARM_V7 INT32_C(9)
149#define CPU_SUBTYPE_ARM_V7F INT32_C(10)
150#define CPU_SUBTYPE_ARM_V7S INT32_C(11)
151#define CPU_SUBTYPE_ARM_V7K INT32_C(12)
152#define CPU_SUBTYPE_ARM_V8 INT32_C(13)
153#define CPU_SUBTYPE_ARM_V6M INT32_C(14)
154#define CPU_SUBTYPE_ARM_V7M INT32_C(15)
155#define CPU_SUBTYPE_ARM_V7EM INT32_C(16)
156#define CPU_SUBTYPE_ARM_V8M INT32_C(17)
157
158#define CPU_SUBTYPE_ARM64_ALL INT32_C(0)
159#define CPU_SUBTYPE_ARM64_V8 INT32_C(1)
160#define CPU_SUBTYPE_ARM64E INT32_C(2)
161#define CPU_SUBTYPE_ARM64_PTR_AUTH_MASK UINT32_C(0x0f000000)
162#define CPU_SUBTYPE_ARM64_PTR_AUTH_VERSION(a) ( ((a) & CPU_SUBTYPE_ARM64_PTR_AUTH_MASK) >> 24 )
163
164#define CPU_SUBTYPE_ARM64_32_ALL INT32_C(0)
165#define CPU_SUBTYPE_ARM64_32_V8 INT32_C(1)
166
167#define CPU_SUBTYPE_MC88000_ALL INT32_C(0)
168#define CPU_SUBTYPE_MC88100 INT32_C(1)
169#define CPU_SUBTYPE_MC88110 INT32_C(2)
170
171#define CPU_SUBTYPE_SPARC_ALL INT32_C(0)
172
173#define CPU_SUBTYPE_I860_ALL INT32_C(0)
174#define CPU_SUBTYPE_I860_860 INT32_C(1)
175
176#define CPU_SUBTYPE_POWERPC_ALL INT32_C(0)
177#define CPU_SUBTYPE_POWERPC_601 INT32_C(1)
178#define CPU_SUBTYPE_POWERPC_602 INT32_C(2)
179#define CPU_SUBTYPE_POWERPC_603 INT32_C(3)
180#define CPU_SUBTYPE_POWERPC_603e INT32_C(4)
181#define CPU_SUBTYPE_POWERPC_603ev INT32_C(5)
182#define CPU_SUBTYPE_POWERPC_604 INT32_C(6)
183#define CPU_SUBTYPE_POWERPC_604e INT32_C(7)
184#define CPU_SUBTYPE_POWERPC_620 INT32_C(8)
185#define CPU_SUBTYPE_POWERPC_750 INT32_C(9)
186#define CPU_SUBTYPE_POWERPC_7400 INT32_C(10)
187#define CPU_SUBTYPE_POWERPC_7450 INT32_C(11)
188#define CPU_SUBTYPE_POWERPC_Max INT32_C(10)
189#define CPU_SUBTYPE_POWERPC_SCVger INT32_C(11)
190#define CPU_SUBTYPE_POWERPC_970 INT32_C(100)
191
192#define CPU_SUBTYPE_MASK UINT32_C(0xff000000)
193#define CPU_SUBTYPE_LIB64 UINT32_C(0x80000000)
194
195#endif /* !CPU_ARCH_MASK */
196
197
198typedef struct fat_header
199{
200 uint32_t magic;
201 uint32_t nfat_arch;
202} fat_header_t;
203
204#ifndef IMAGE_FAT_SIGNATURE
205# define IMAGE_FAT_SIGNATURE UINT32_C(0xcafebabe)
206#endif
207#ifndef IMAGE_FAT_SIGNATURE_OE
208# define IMAGE_FAT_SIGNATURE_OE UINT32_C(0xbebafeca)
209#endif
210
211typedef struct fat_arch
212{
213 int32_t cputype;
214 int32_t cpusubtype;
215 uint32_t offset;
216 uint32_t size;
217 uint32_t align;
218} fat_arch_t;
219
220typedef struct mach_header_32
221{
222 uint32_t magic;
223 int32_t cputype;
224 int32_t cpusubtype;
225 uint32_t filetype;
226 uint32_t ncmds;
227 uint32_t sizeofcmds;
228 uint32_t flags;
229} mach_header_32_t;
230
231/* magic */
232#ifndef IMAGE_MACHO32_SIGNATURE
233# define IMAGE_MACHO32_SIGNATURE UINT32_C(0xfeedface)
234#endif
235#ifndef IMAGE_MACHO32_SIGNATURE_OE
236# define IMAGE_MACHO32_SIGNATURE_OE UINT32_C(0xcefaedfe)
237#endif
238#define MH_MAGIC IMAGE_MACHO32_SIGNATURE
239#define MH_CIGAM IMAGE_MACHO32_SIGNATURE_OE
240
241typedef struct mach_header_64
242{
243 uint32_t magic; /**< 0x00 */
244 int32_t cputype; /**< 0x04 */
245 int32_t cpusubtype; /**< 0x08 */
246 uint32_t filetype; /**< 0x0c */
247 uint32_t ncmds; /**< 0x10 */
248 uint32_t sizeofcmds; /**< 0x14 */
249 uint32_t flags; /**< 0x18 */
250 uint32_t reserved; /**< 0x1c */
251} mach_header_64_t;
252AssertCompileSize(mach_header_64_t, 0x20);
253
254/* magic */
255#ifndef IMAGE_MACHO64_SIGNATURE
256# define IMAGE_MACHO64_SIGNATURE UINT32_C(0xfeedfacf)
257#endif
258#ifndef IMAGE_MACHO64_SIGNATURE_OE
259# define IMAGE_MACHO64_SIGNATURE_OE UINT32_C(0xfefaedfe)
260#endif
261#define MH_MAGIC_64 IMAGE_MACHO64_SIGNATURE
262#define MH_CIGAM_64 IMAGE_MACHO64_SIGNATURE_OE
263
264/* mach_header_* filetype */
265#define MH_OBJECT UINT32_C(1)
266#define MH_EXECUTE UINT32_C(2)
267#define MH_FVMLIB UINT32_C(3)
268#define MH_CORE UINT32_C(4)
269#define MH_PRELOAD UINT32_C(5)
270#define MH_DYLIB UINT32_C(6)
271#define MH_DYLINKER UINT32_C(7)
272#define MH_BUNDLE UINT32_C(8)
273#define MH_DYLIB_STUB UINT32_C(9)
274#define MH_DSYM UINT32_C(10)
275#define MH_KEXT_BUNDLE UINT32_C(11)
276
277/* mach_header_* flags */
278#define MH_NOUNDEFS UINT32_C(0x00000001)
279#define MH_INCRLINK UINT32_C(0x00000002)
280#define MH_DYLDLINK UINT32_C(0x00000004)
281#define MH_BINDATLOAD UINT32_C(0x00000008)
282#define MH_PREBOUND UINT32_C(0x00000010)
283#define MH_SPLIT_SEGS UINT32_C(0x00000020)
284#define MH_LAZY_INIT UINT32_C(0x00000040)
285#define MH_TWOLEVEL UINT32_C(0x00000080)
286#define MH_FORCE_FLAT UINT32_C(0x00000100)
287#define MH_NOMULTIDEFS UINT32_C(0x00000200)
288#define MH_NOFIXPREBINDING UINT32_C(0x00000400)
289#define MH_PREBINDABLE UINT32_C(0x00000800)
290#define MH_ALLMODSBOUND UINT32_C(0x00001000)
291#define MH_SUBSECTIONS_VIA_SYMBOLS UINT32_C(0x00002000)
292#define MH_CANONICAL UINT32_C(0x00004000)
293#define MH_WEAK_DEFINES UINT32_C(0x00008000)
294#define MH_BINDS_TO_WEAK UINT32_C(0x00010000)
295#define MH_ALLOW_STACK_EXECUTION UINT32_C(0x00020000)
296#define MH_ROOT_SAFE UINT32_C(0x00040000)
297#define MH_SETUID_SAFE UINT32_C(0x00080000)
298#define MH_NO_REEXPORTED_DYLIBS UINT32_C(0x00100000)
299#define MH_PIE UINT32_C(0x00200000)
300#define MH_DEAD_STRIPPABLE_DYLIB UINT32_C(0x00400000)
301#define MH_HAS_TLV_DESCRIPTORS UINT32_C(0x00800000)
302#define MH_NO_HEAP_EXECUTION UINT32_C(0x01000000)
303#define MH_UNKNOWN UINT32_C(0x80000000)
304#define MH_VALID_FLAGS UINT32_C(0x81ffffff)
305
306
307typedef struct load_command
308{
309 uint32_t cmd;
310 uint32_t cmdsize;
311} load_command_t;
312
313/* load cmd */
314#define LC_REQ_DYLD UINT32_C(0x80000000)
315#define LC_SEGMENT_32 UINT32_C(0x01)
316#define LC_SYMTAB UINT32_C(0x02)
317#define LC_SYMSEG UINT32_C(0x03)
318#define LC_THREAD UINT32_C(0x04)
319#define LC_UNIXTHREAD UINT32_C(0x05)
320#define LC_LOADFVMLIB UINT32_C(0x06)
321#define LC_IDFVMLIB UINT32_C(0x07)
322#define LC_IDENT UINT32_C(0x08)
323#define LC_FVMFILE UINT32_C(0x09)
324#define LC_PREPAGE UINT32_C(0x0a)
325#define LC_DYSYMTAB UINT32_C(0x0b)
326#define LC_LOAD_DYLIB UINT32_C(0x0c)
327#define LC_ID_DYLIB UINT32_C(0x0d)
328#define LC_LOAD_DYLINKER UINT32_C(0x0e)
329#define LC_ID_DYLINKER UINT32_C(0x0f)
330#define LC_PREBOUND_DYLIB UINT32_C(0x10)
331#define LC_ROUTINES UINT32_C(0x11)
332#define LC_SUB_FRAMEWORK UINT32_C(0x12)
333#define LC_SUB_UMBRELLA UINT32_C(0x13)
334#define LC_SUB_CLIENT UINT32_C(0x14)
335#define LC_SUB_LIBRARY UINT32_C(0x15)
336#define LC_TWOLEVEL_HINTS UINT32_C(0x16)
337#define LC_PREBIND_CKSUM UINT32_C(0x17)
338#define LC_LOAD_WEAK_DYLIB (UINT32_C(0x18) | LC_REQ_DYLD)
339#define LC_SEGMENT_64 UINT32_C(0x19)
340#define LC_ROUTINES_64 UINT32_C(0x1a)
341#define LC_UUID UINT32_C(0x1b)
342#define LC_RPATH (UINT32_C(0x1c) | LC_REQ_DYLD)
343#define LC_CODE_SIGNATURE UINT32_C(0x1d)
344#define LC_SEGMENT_SPLIT_INFO UINT32_C(0x1e)
345#define LC_REEXPORT_DYLIB (UINT32_C(0x1f) | LC_REQ_DYLD)
346#define LC_LAZY_LOAD_DYLIB UINT32_C(0x20)
347#define LC_ENCRYPTION_INFO UINT32_C(0x21)
348#define LC_DYLD_INFO UINT32_C(0x22)
349#define LC_DYLD_INFO_ONLY (UINT32_C(0x22) | LC_REQ_DYLD)
350#define LC_LOAD_UPWARD_DYLIB (UINT32_C(0x23) | LC_REQ_DYLD)
351#define LC_VERSION_MIN_MACOSX UINT32_C(0x24)
352#define LC_VERSION_MIN_IPHONEOS UINT32_C(0x25)
353#define LC_FUNCTION_STARTS UINT32_C(0x26)
354#define LC_DYLD_ENVIRONMENT UINT32_C(0x27)
355#define LC_MAIN (UINT32_C(0x28) | LC_REQ_DYLD)
356#define LC_DATA_IN_CODE UINT32_C(0x29)
357#define LC_SOURCE_VERSION UINT32_C(0x2a) /**< source_version_command */
358#define LC_DYLIB_CODE_SIGN_DRS UINT32_C(0x2b)
359#define LC_ENCRYPTION_INFO_64 UINT32_C(0x2c)
360#define LC_LINKER_OPTION UINT32_C(0x2d)
361#define LC_LINKER_OPTIMIZATION_HINT UINT32_C(0x2e)
362#define LC_VERSION_MIN_TVOS UINT32_C(0x2f)
363#define LC_VERSION_MIN_WATCHOS UINT32_C(0x30)
364#define LC_NOTE UINT32_C(0x31)
365#define LC_BUILD_VERSION UINT32_C(0x32)
366
367
368typedef struct lc_str
369{
370 uint32_t offset;
371} lc_str_t;
372
373typedef struct segment_command_32
374{
375 uint32_t cmd;
376 uint32_t cmdsize;
377 char segname[16];
378 uint32_t vmaddr;
379 uint32_t vmsize;
380 uint32_t fileoff;
381 uint32_t filesize;
382 uint32_t maxprot;
383 uint32_t initprot;
384 uint32_t nsects;
385 uint32_t flags;
386} segment_command_32_t;
387
388typedef struct segment_command_64
389{
390 uint32_t cmd;
391 uint32_t cmdsize;
392 char segname[16];
393 uint64_t vmaddr;
394 uint64_t vmsize;
395 uint64_t fileoff;
396 uint64_t filesize;
397 uint32_t maxprot;
398 uint32_t initprot;
399 uint32_t nsects;
400 uint32_t flags;
401} segment_command_64_t;
402
403/* segment flags */
404#define SG_HIGHVM UINT32_C(0x00000001)
405#define SG_FVMLIB UINT32_C(0x00000002)
406#define SG_NORELOC UINT32_C(0x00000004)
407#define SG_PROTECTED_VERSION_1 UINT32_C(0x00000008)
408#define SG_READ_ONLY UINT32_C(0x00000010) /**< Make it read-only after applying fixups. @since 10.14 */
409
410/* maxprot/initprot */
411#ifndef VM_PROT_NONE
412# define VM_PROT_NONE UINT32_C(0x00000000)
413# define VM_PROT_READ UINT32_C(0x00000001)
414# define VM_PROT_WRITE UINT32_C(0x00000002)
415# define VM_PROT_EXECUTE UINT32_C(0x00000004)
416# define VM_PROT_ALL UINT32_C(0x00000007)
417#endif
418
419typedef struct section_32
420{
421 char sectname[16];
422 char segname[16];
423 uint32_t addr;
424 uint32_t size;
425 uint32_t offset;
426 uint32_t align;
427 uint32_t reloff;
428 uint32_t nreloc;
429 uint32_t flags;
430 /** For S_LAZY_SYMBOL_POINTERS, S_NON_LAZY_SYMBOL_POINTERS and S_SYMBOL_STUBS
431 * this is the index into the indirect symbol table. */
432 uint32_t reserved1;
433 /** For S_SYMBOL_STUBS this is the entry size. */
434 uint32_t reserved2;
435} section_32_t;
436
437typedef struct section_64
438{
439 char sectname[16];
440 char segname[16];
441 uint64_t addr;
442 uint64_t size;
443 uint32_t offset;
444 uint32_t align;
445 uint32_t reloff;
446 uint32_t nreloc;
447 uint32_t flags;
448 /** For S_LAZY_SYMBOL_POINTERS, S_NON_LAZY_SYMBOL_POINTERS and S_SYMBOL_STUBS
449 * this is the index into the indirect symbol table. */
450 uint32_t reserved1;
451 uint32_t reserved2;
452 uint32_t reserved3;
453} section_64_t;
454
455/* section flags */
456#define SECTION_TYPE UINT32_C(0xff)
457#define S_REGULAR UINT32_C(0x00)
458#define S_ZEROFILL UINT32_C(0x01)
459#define S_CSTRING_LITERALS UINT32_C(0x02)
460#define S_4BYTE_LITERALS UINT32_C(0x03)
461#define S_8BYTE_LITERALS UINT32_C(0x04)
462#define S_LITERAL_POINTERS UINT32_C(0x05)
463#define S_NON_LAZY_SYMBOL_POINTERS UINT32_C(0x06)
464#define S_LAZY_SYMBOL_POINTERS UINT32_C(0x07)
465#define S_SYMBOL_STUBS UINT32_C(0x08)
466#define S_MOD_INIT_FUNC_POINTERS UINT32_C(0x09)
467#define S_MOD_TERM_FUNC_POINTERS UINT32_C(0x0a)
468#define S_COALESCED UINT32_C(0x0b)
469#define S_GB_ZEROFILL UINT32_C(0x0c)
470#define S_INTERPOSING UINT32_C(0x0d)
471#define S_16BYTE_LITERALS UINT32_C(0x0e)
472#define S_DTRACE_DOF UINT32_C(0x0f)
473#define S_LAZY_DYLIB_SYMBOL_POINTERS UINT32_C(0x10)
474#define S_THREAD_LOCAL_REGULAR UINT32_C(0x11)
475#define S_THREAD_LOCAL_ZEROFILL UINT32_C(0x12)
476#define S_THREAD_LOCAL_VARIABLES UINT32_C(0x13)
477#define S_THREAD_LOCAL_VARIABLE_POINTERS UINT32_C(0x14)
478#define S_THREAD_LOCAL_INIT_FUNCTION_POINTERS UINT32_C(0x15)
479
480
481
482
483#define SECTION_ATTRIBUTES UINT32_C(0xffffff00)
484#define SECTION_ATTRIBUTES_USR UINT32_C(0xff000000)
485#define S_ATTR_PURE_INSTRUCTIONS UINT32_C(0x80000000)
486#define S_ATTR_NO_TOC UINT32_C(0x40000000)
487#define S_ATTR_STRIP_STATIC_SYMS UINT32_C(0x20000000)
488#define S_ATTR_NO_DEAD_STRIP UINT32_C(0x10000000)
489#define S_ATTR_LIVE_SUPPORT UINT32_C(0x08000000)
490#define S_ATTR_SELF_MODIFYING_CODE UINT32_C(0x04000000)
491#define S_ATTR_DEBUG UINT32_C(0x02000000)
492#define SECTION_ATTRIBUTES_SYS UINT32_C(0x00ffff00)
493#define S_ATTR_SOME_INSTRUCTIONS UINT32_C(0x00000400)
494#define S_ATTR_EXT_RELOC UINT32_C(0x00000200)
495#define S_ATTR_LOC_RELOC UINT32_C(0x00000100)
496
497/* standard section names */
498#define SEG_PAGEZERO "__PAGEZERO"
499#define SEG_TEXT "__TEXT"
500#define SECT_TEXT "__text"
501#define SECT_FVMLIB_INIT0 "__fvmlib_init0"
502#define SECT_FVMLIB_INIT1 "__fvmlib_init1"
503#define SEG_DATA "__DATA"
504#define SECT_DATA "__data"
505#define SECT_BSS "__bss"
506#define SECT_COMMON "__common"
507#define SEG_OBJC "__OBJC"
508#define SECT_OBJC_SYMBOLS "__symbol_table"
509#define SECT_OBJC_MODULES "__module_info"
510#define SECT_OBJC_STRINGS "__selector_strs"
511#define SECT_OBJC_REFS "__selector_refs"
512#define SEG_ICON "__ICON"
513#define SECT_ICON_HEADER "__header"
514#define SECT_ICON_TIFF "__tiff"
515#define SEG_LINKEDIT "__LINKEDIT"
516#define SEG_UNIXSTACK "__UNIXSTACK"
517#define SEG_IMPORT "__IMPORT"
518
519typedef struct thread_command
520{
521 uint32_t cmd;
522 uint32_t cmdsize;
523} thread_command_t;
524
525typedef struct symtab_command
526{
527 uint32_t cmd;
528 uint32_t cmdsize;
529 uint32_t symoff;
530 uint32_t nsyms;
531 uint32_t stroff;
532 uint32_t strsize;
533} symtab_command_t;
534
535typedef struct dysymtab_command
536{
537 uint32_t cmd;
538 uint32_t cmdsize;
539 /** @name Symbol groupings.
540 * @{ */
541 uint32_t ilocalsym; /**< Index into the symbol table of the first local symbol. */
542 uint32_t nlocalsym; /**< Number of local symbols. */
543 uint32_t iextdefsym; /**< Index into the symbol table of the first externally defined symbol. */
544 uint32_t nextdefsym; /**< Number of externally defined symbols. */
545 uint32_t iundefsym; /**< Index into the symbol table of the first undefined symbol. */
546 uint32_t nundefsym; /**< Number of undefined symbols. */
547 /** @} */
548 uint32_t tocoff; /**< Table of content file offset. (usually empty) */
549 uint32_t ntoc; /**< Number of entries in TOC. */
550 uint32_t modtaboff; /** The module table file offset. (usually empty) */
551 uint32_t nmodtab; /**< Number of entries in the module table. */
552 /** @name Dynamic symbol tables.
553 * @{ */
554 uint32_t extrefsymoff; /**< Externally referenceable symbol table file offset. @sa dylib_reference_t */
555 uint32_t nextrefsym; /**< Number externally referenceable symbols. */
556 uint32_t indirectsymboff; /**< Indirect symbol table (32-bit symtab indexes) for thunks and offset tables. */
557 uint32_t nindirectsymb; /**< Number of indirect symbol table entries. */
558 /** @} */
559 /** @name Relocations.
560 * @{ */
561 uint32_t extreloff; /**< External relocations (r_address is relative to first segment (i.e. RVA)). */
562 uint32_t nextrel; /**< Number of external relocations. */
563 uint32_t locreloff; /**< Local relocations (r_address is relative to first segment (i.e. RVA)). */
564 uint32_t nlocrel; /**< Number of local relocations. */
565 /** @} */
566} dysymtab_command_t;
567AssertCompileSize(dysymtab_command_t, 80);
568
569/** Special indirect symbol table entry value, stripped local symbol. */
570#define INDIRECT_SYMBOL_LOCAL UINT32_C(0x80000000)
571/** Special indirect symbol table entry value, stripped absolute symbol. */
572#define INDIRECT_SYMBOL_ABS UINT32_C(0x40000000)
573
574typedef struct dylib_reference
575{
576 uint32_t isym : 24; /**< Symbol table index. */
577 uint32_t flags : 8; /**< REFERENCE_FLAG_XXX? */
578} dylib_reference_t;
579AssertCompileSize(dylib_reference_t, 4);
580
581
582typedef struct dylib_table_of_contents
583{
584 uint32_t symbol_index; /**< External symbol table entry. */
585 uint32_t module_index; /**< The module table index of the module defining it. */
586} dylib_table_of_contents_t;
587AssertCompileSize(dylib_table_of_contents_t, 8);
588
589
590/** 32-bit module table entry. */
591typedef struct dylib_module
592{
593 uint32_t module_name;
594 uint32_t iextdefsym;
595 uint32_t nextdefsym;
596 uint32_t irefsym;
597 uint32_t nrefsym;
598 uint32_t ilocalsym;
599 uint32_t nlocalsym;
600 uint32_t iextrel;
601 uint32_t nextrel;
602 uint32_t iinit_iterm;
603 uint32_t ninit_nterm;
604 uint32_t objc_module_info_addr;
605 uint32_t objc_module_info_size;
606} dylib_module_32_t;
607AssertCompileSize(dylib_module_32_t, 13*4);
608
609/* a 64-bit module table entry */
610typedef struct dylib_module_64
611{
612 uint32_t module_name;
613 uint32_t iextdefsym;
614 uint32_t nextdefsym;
615 uint32_t irefsym;
616 uint32_t nrefsym;
617 uint32_t ilocalsym;
618 uint32_t nlocalsym;
619 uint32_t iextrel;
620 uint32_t nextrel;
621 uint32_t iinit_iterm;
622 uint32_t ninit_nterm;
623 uint32_t objc_module_info_size;
624 uint64_t objc_module_info_addr;
625} dylib_module_64_t;
626AssertCompileSize(dylib_module_64_t, 12*4+8);
627
628typedef struct uuid_command
629{
630 uint32_t cmd;
631 uint32_t cmdsize;
632 uint8_t uuid[16];
633} uuid_command_t;
634AssertCompileSize(uuid_command_t, 24);
635
636typedef struct linkedit_data_command
637{
638 uint32_t cmd; /**< LC_CODE_SIGNATURE, LC_SEGMENT_SPLIT_INFO, LC_FUNCTION_STARTS */
639 uint32_t cmdsize; /**< Size of this structure (16). */
640 uint32_t dataoff; /**< Offset into the file of the data. */
641 uint32_t datasize; /**< The size of the data. */
642} linkedit_data_command_t;
643AssertCompileSize(linkedit_data_command_t, 16);
644
645typedef struct version_min_command
646{
647 uint32_t cmd; /**< LC_VERSION_MIN_MACOSX, LC_VERSION_MIN_IPHONEOS, LC_VERSION_MIN_TVOS, LC_VERSION_MIN_WATCHOS */
648 uint32_t cmdsize; /**< Size of this structure (16). */
649 uint32_t version; /**< 31..16=major, 15..8=minor, 7..0=patch. */
650 uint32_t reserved; /**< MBZ. */
651} version_min_command_t;
652AssertCompileSize(version_min_command_t, 16);
653
654typedef struct build_tool_version
655{
656 uint32_t tool; /**< TOOL_XXX */
657 uint32_t version; /**< 31..16=major, 15..8=minor, 7..0=patch. */
658} build_tool_version_t;
659AssertCompileSize(build_tool_version_t, 8);
660
661/** @name TOOL_XXX - Values for build_tool_version::tool
662 * @{ */
663#define TOOL_CLANG 1
664#define TOOL_SWIFT 2
665#define TOOL_LD 3
666/** @} */
667
668typedef struct build_version_command
669{
670 uint32_t cmd; /**< LC_BUILD_VERSION */
671 uint32_t cmdsize; /**< Size of this structure (at least 24). */
672 uint32_t platform; /**< PLATFORM_XXX */
673 uint32_t minos; /**< Minimum OS version: 31..16=major, 15..8=minor, 7..0=patch */
674 uint32_t sdk; /**< SDK version: 31..16=major, 15..8=minor, 7..0=patch */
675 uint32_t ntools; /**< Number of build_tool_version entries following in aTools. */
676 RT_FLEXIBLE_ARRAY_EXTENSION
677 build_tool_version_t aTools[RT_FLEXIBLE_ARRAY];
678} build_version_command_t;
679AssertCompileMemberOffset(build_version_command_t, aTools, 24);
680
681/** @name PLATFORM_XXX - Values for build_version_command::platform
682 * @{ */
683#define PLATFORM_MACOS 1
684#define PLATFORM_IOS 2
685#define PLATFORM_TVOS 3
686#define PLATFORM_WATCHOS 4
687/** @} */
688
689typedef struct source_version_command
690{
691 uint32_t cmd; /**< LC_SOURCE_VERSION */
692 uint32_t cmdsize; /**< Size of this structure (16). */
693 uint64_t version; /**< A.B.C.D.E, where A is 24 bits wide and the rest 10 bits each. */
694} source_version_command_t;
695AssertCompileSize(source_version_command_t, 16);
696
697
698typedef struct macho_nlist_32
699{
700 union
701 {
702 int32_t n_strx;
703 } n_un;
704 uint8_t n_type;
705 uint8_t n_sect;
706 int16_t n_desc;
707 uint32_t n_value;
708} macho_nlist_32_t;
709
710
711typedef struct macho_nlist_64
712{
713 union
714 {
715 uint32_t n_strx;
716 } n_un;
717 uint8_t n_type;
718 uint8_t n_sect;
719 int16_t n_desc;
720 uint64_t n_value;
721} macho_nlist_64_t;
722
723#define MACHO_N_EXT UINT8_C(0x01)
724#define MACHO_N_PEXT UINT8_C(0x10)
725
726#define MACHO_N_TYPE UINT8_C(0x0e)
727#define MACHO_N_UNDF UINT8_C(0x00)
728#define MACHO_N_ABS UINT8_C(0x02)
729#define MACHO_N_INDR UINT8_C(0x0a)
730#define MACHO_N_PBUD UINT8_C(0x0c)
731#define MACHO_N_SECT UINT8_C(0x0e)
732
733#define MACHO_N_STAB UINT8_C(0xe0)
734#define MACHO_N_GSYM UINT8_C(0x20)
735#define MACHO_N_FNAME UINT8_C(0x22)
736#define MACHO_N_FUN UINT8_C(0x24)
737#define MACHO_N_STSYM UINT8_C(0x26)
738#define MACHO_N_LCSYM UINT8_C(0x28)
739#define MACHO_N_BNSYM UINT8_C(0x2e)
740#define MACHO_N_PC UINT8_C(0x30)
741#define MACHO_N_OPT UINT8_C(0x3c)
742#define MACHO_N_RSYM UINT8_C(0x40)
743#define MACHO_N_SLINE UINT8_C(0x44)
744#define MACHO_N_ENSYM UINT8_C(0x4e)
745#define MACHO_N_SSYM UINT8_C(0x60)
746#define MACHO_N_SO UINT8_C(0x64)
747#define MACHO_N_OSO UINT8_C(0x66)
748#define MACHO_N_LSYM UINT8_C(0x80)
749#define MACHO_N_BINCL UINT8_C(0x82)
750#define MACHO_N_SOL UINT8_C(0x84)
751#define MACHO_N_PARAMS UINT8_C(0x86)
752#define MACHO_N_VERSION UINT8_C(0x88)
753#define MACHO_N_OLEVEL UINT8_C(0x8A)
754#define MACHO_N_PSYM UINT8_C(0xa0)
755#define MACHO_N_EINCL UINT8_C(0xa2)
756#define MACHO_N_ENTRY UINT8_C(0xa4)
757#define MACHO_N_LBRAC UINT8_C(0xc0)
758#define MACHO_N_EXCL UINT8_C(0xc2)
759#define MACHO_N_RBRAC UINT8_C(0xe0)
760#define MACHO_N_BCOMM UINT8_C(0xe2)
761#define MACHO_N_ECOMM UINT8_C(0xe4)
762#define MACHO_N_ECOML UINT8_C(0xe8)
763#define MACHO_N_LENG UINT8_C(0xfe)
764
765#define MACHO_NO_SECT UINT8_C(0x00)
766#define MACHO_MAX_SECT UINT8_C(0xff)
767
768#define REFERENCE_TYPE UINT16_C(0x000f)
769#define REFERENCE_FLAG_UNDEFINED_NON_LAZY 0
770#define REFERENCE_FLAG_UNDEFINED_LAZY 1
771#define REFERENCE_FLAG_DEFINED 2
772#define REFERENCE_FLAG_PRIVATE_DEFINED 3
773#define REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY 4
774#define REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY 5
775#define REFERENCED_DYNAMICALLY UINT16_C(0x0010)
776
777#define GET_LIBRARY_ORDINAL(a_n_desc) \
778 RT_BYTE2(a_n_desc)
779#define SET_LIBRARY_ORDINAL(a_n_desc, a_ordinal) \
780 do { (a_n_desc) = RT_MAKE_U16(RT_BYTE1(a_n_desc), a_ordinal); } while (0)
781
782#define SELF_LIBRARY_ORDINAL 0x00
783#define MAX_LIBRARY_ORDINAL 0xfd
784#define DYNAMIC_LOOKUP_ORDINAL 0xfe
785#define EXECUTABLE_ORDINAL 0xff
786
787#define N_NO_DEAD_STRIP UINT16_C(0x0020)
788#define N_DESC_DISCARDED UINT16_C(0x0020)
789#define N_WEAK_REF UINT16_C(0x0040)
790#define N_WEAK_DEF UINT16_C(0x0080)
791#define N_REF_TO_WEAK UINT16_C(0x0080)
792#define N_SYMBOL_RESOLVER UINT16_C(0x0100)
793#define N_ALT_ENTRY UINT16_C(0x0200)
794
795typedef struct macho_relocation_info
796{
797 int32_t r_address;
798 uint32_t r_symbolnum : 24;
799 uint32_t r_pcrel : 1;
800 uint32_t r_length : 2;
801 uint32_t r_extern : 1;
802 uint32_t r_type : 4;
803} macho_relocation_info_t;
804AssertCompileSize(macho_relocation_info_t, 8);
805
806#define R_ABS 0
807#define R_SCATTERED UINT32_C(0x80000000)
808
809typedef struct scattered_relocation_info
810{
811#ifdef RT_LITTLE_ENDIAN
812 uint32_t r_address : 24;
813 uint32_t r_type : 4;
814 uint32_t r_length : 2;
815 uint32_t r_pcrel : 1;
816 uint32_t r_scattered : 1;
817#elif defined(RT_BIG_ENDIAN)
818 uint32_t r_scattered : 1;
819 uint32_t r_pcrel : 1;
820 uint32_t r_length : 2;
821 uint32_t r_type : 4;
822 uint32_t r_address : 24;
823#else
824# error "Neither K_ENDIAN isn't LITTLE or BIG!"
825#endif
826 int32_t r_value;
827} scattered_relocation_info_t;
828AssertCompileSize(scattered_relocation_info_t, 8);
829
830typedef union
831{
832 macho_relocation_info_t r;
833 scattered_relocation_info_t s;
834} macho_relocation_union_t;
835AssertCompileSize(macho_relocation_union_t, 8);
836
837typedef enum reloc_type_generic
838{
839 GENERIC_RELOC_VANILLA = 0,
840 GENERIC_RELOC_PAIR,
841 GENERIC_RELOC_SECTDIFF,
842 GENERIC_RELOC_PB_LA_PTR,
843 GENERIC_RELOC_LOCAL_SECTDIFF
844} reloc_type_generic_t;
845
846typedef enum reloc_type_x86_64
847{
848 X86_64_RELOC_UNSIGNED = 0,
849 X86_64_RELOC_SIGNED,
850 X86_64_RELOC_BRANCH,
851 X86_64_RELOC_GOT_LOAD,
852 X86_64_RELOC_GOT,
853 X86_64_RELOC_SUBTRACTOR,
854 X86_64_RELOC_SIGNED_1,
855 X86_64_RELOC_SIGNED_2,
856 X86_64_RELOC_SIGNED_4
857} reloc_type_x86_64_t;
858
859#endif /* !IPRT_INCLUDED_formats_mach_o_h */
860
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