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Diffstat (limited to 'include/iprt/formats/mach-o.h')
| -rw-r--r-- | include/iprt/formats/mach-o.h | 860 |
1 files changed, 860 insertions, 0 deletions
diff --git a/include/iprt/formats/mach-o.h b/include/iprt/formats/mach-o.h new file mode 100644 index 00000000..75fe0ed2 --- /dev/null +++ b/include/iprt/formats/mach-o.h @@ -0,0 +1,860 @@ +/* $Id: mach-o.h $ */ +/** @file + * IPRT - Mach-O Structures and Constants. + */ + +/* + * Copyright (C) 2011-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + +#ifndef IPRT_INCLUDED_formats_mach_o_h +#define IPRT_INCLUDED_formats_mach_o_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/types.h> +#include <iprt/assertcompile.h> + +#ifndef CPU_ARCH_MASK + +/* cputype */ +#define CPU_ARCH_MASK INT32_C(0xff000000) +#define CPU_ARCH_ABI64 INT32_C(0x01000000) +#define CPU_ARCH_ABI64_32 INT32_C(0x02000000) /**< LP32 on 64-bit hardware */ + +#define CPU_TYPE_ANY INT32_C(-1) +#define CPU_TYPE_VAX INT32_C(1) +#define CPU_TYPE_MC680x0 INT32_C(6) +#define CPU_TYPE_X86 INT32_C(7) +#define CPU_TYPE_I386 CPU_TYPE_X86 +#define CPU_TYPE_X86_64 (CPU_TYPE_X86 | CPU_ARCH_ABI64) +#define CPU_TYPE_MC98000 INT32_C(10) +#define CPU_TYPE_HPPA INT32_C(11) +#define CPU_TYPE_ARM INT32_C(12) +#define CPU_TYPE_ARM32 CPU_TYPE_ARM +#define CPU_TYPE_ARM64 (CPU_TYPE_ARM | CPU_ARCH_ABI64) +#define CPU_TYPE_ARM64_32 (CPU_TYPE_ARM | CPU_ARCH_ABI64_32) +#define CPU_TYPE_MC88000 INT32_C(13) +#define CPU_TYPE_SPARC INT32_C(14) +#define CPU_TYPE_I860 INT32_C(15) +#define CPU_TYPE_POWERPC INT32_C(18) +#define CPU_TYPE_POWERPC64 (CPU_TYPE_POWERPC | CPU_ARCH_ABI64) + +/* cpusubtype */ +#define CPU_SUBTYPE_MULTIPLE INT32_C(-1) +#define CPU_SUBTYPE_LITTLE_ENDIAN INT32_C(0) +#define CPU_SUBTYPE_BIG_ENDIAN INT32_C(1) + +#define CPU_SUBTYPE_VAX_ALL INT32_C(0) +#define CPU_SUBTYPE_VAX780 INT32_C(1) +#define CPU_SUBTYPE_VAX785 INT32_C(2) +#define CPU_SUBTYPE_VAX750 INT32_C(3) +#define CPU_SUBTYPE_VAX730 INT32_C(4) +#define CPU_SUBTYPE_UVAXI INT32_C(5) +#define CPU_SUBTYPE_UVAXII INT32_C(6) +#define CPU_SUBTYPE_VAX8200 INT32_C(7) +#define CPU_SUBTYPE_VAX8500 INT32_C(8) +#define CPU_SUBTYPE_VAX8600 INT32_C(9) +#define CPU_SUBTYPE_VAX8650 INT32_C(10) +#define CPU_SUBTYPE_VAX8800 INT32_C(11) +#define CPU_SUBTYPE_UVAXIII INT32_C(12) + +#define CPU_SUBTYPE_MC680x0_ALL INT32_C(1) +#define CPU_SUBTYPE_MC68030 INT32_C(1) +#define CPU_SUBTYPE_MC68040 INT32_C(2) +#define CPU_SUBTYPE_MC68030_ONLY INT32_C(3) + +#define CPU_SUBTYPE_INTEL(fam, model) ( (int32_t )(((model) << 4) | (fam)) ) +#define CPU_SUBTYPE_INTEL_FAMILY(subtype) ( (subtype) & 0xf ) +#define CPU_SUBTYPE_INTEL_MODEL(subtype) ( (subtype) >> 4 ) +#define CPU_SUBTYPE_INTEL_FAMILY_MAX 0xf +#define CPU_SUBTYPE_INTEL_MODEL_ALL 0 + +#define CPU_SUBTYPE_I386_ALL CPU_SUBTYPE_INTEL(3, 0) +#define CPU_SUBTYPE_386 CPU_SUBTYPE_INTEL(3, 0) +#define CPU_SUBTYPE_486 CPU_SUBTYPE_INTEL(4, 0) +#define CPU_SUBTYPE_486SX CPU_SUBTYPE_INTEL(4, 8) +#define CPU_SUBTYPE_586 CPU_SUBTYPE_INTEL(5, 0) +#define CPU_SUBTYPE_PENT CPU_SUBTYPE_INTEL(5, 0) +#define CPU_SUBTYPE_PENTPRO CPU_SUBTYPE_INTEL(6, 1) +#define CPU_SUBTYPE_PENTII_M3 CPU_SUBTYPE_INTEL(6, 3) +#define CPU_SUBTYPE_PENTII_M5 CPU_SUBTYPE_INTEL(6, 5) +#define CPU_SUBTYPE_CELERON CPU_SUBTYPE_INTEL(7, 6) +#define CPU_SUBTYPE_CELERON_MOBILE CPU_SUBTYPE_INTEL(7, 7) +#define CPU_SUBTYPE_PENTIUM_3 CPU_SUBTYPE_INTEL(8, 0) +#define CPU_SUBTYPE_PENTIUM_3_M CPU_SUBTYPE_INTEL(8, 1) +#define CPU_SUBTYPE_PENTIUM_3_XEON CPU_SUBTYPE_INTEL(8, 2) +#define CPU_SUBTYPE_PENTIUM_M CPU_SUBTYPE_INTEL(9, 0) +#define CPU_SUBTYPE_PENTIUM_4 CPU_SUBTYPE_INTEL(10, 0) +#define CPU_SUBTYPE_PENTIUM_4_M CPU_SUBTYPE_INTEL(10, 1) +#define CPU_SUBTYPE_ITANIUM CPU_SUBTYPE_INTEL(11, 0) +#define CPU_SUBTYPE_ITANIUM_2 CPU_SUBTYPE_INTEL(11, 1) +#define CPU_SUBTYPE_XEON CPU_SUBTYPE_INTEL(12, 0) +#define CPU_SUBTYPE_XEON_MP CPU_SUBTYPE_INTEL(12, 1) + +#define CPU_SUBTYPE_X86_ALL INT32_C(3) +#define CPU_SUBTYPE_X86_64_ALL INT32_C(3) +#define CPU_SUBTYPE_X86_ARCH1 INT32_C(4) + +#define CPU_SUBTYPE_MIPS_ALL INT32_C(0) +#define CPU_SUBTYPE_MIPS_R2300 INT32_C(1) +#define CPU_SUBTYPE_MIPS_R2600 INT32_C(2) +#define CPU_SUBTYPE_MIPS_R2800 INT32_C(3) +#define CPU_SUBTYPE_MIPS_R2000a INT32_C(4) +#define CPU_SUBTYPE_MIPS_R2000 INT32_C(5) +#define CPU_SUBTYPE_MIPS_R3000a INT32_C(6) +#define CPU_SUBTYPE_MIPS_R3000 INT32_C(7) + +#define CPU_SUBTYPE_MC98000_ALL INT32_C(0) +#define CPU_SUBTYPE_MC98601 INT32_C(1) + +#define CPU_SUBTYPE_HPPA_ALL INT32_C(0) +#define CPU_SUBTYPE_HPPA_7100 INT32_C(0) +#define CPU_SUBTYPE_HPPA_7100LC INT32_C(1) + +#define CPU_SUBTYPE_ARM_ALL INT32_C(0) +#define CPU_SUBTYPE_ARM_V4T INT32_C(5) +#define CPU_SUBTYPE_ARM_V6 INT32_C(6) +#define CPU_SUBTYPE_ARM_V5TEJ INT32_C(7) +#define CPU_SUBTYPE_ARM_XSCALE INT32_C(8) +#define CPU_SUBTYPE_ARM_V7 INT32_C(9) +#define CPU_SUBTYPE_ARM_V7F INT32_C(10) +#define CPU_SUBTYPE_ARM_V7S INT32_C(11) +#define CPU_SUBTYPE_ARM_V7K INT32_C(12) +#define CPU_SUBTYPE_ARM_V8 INT32_C(13) +#define CPU_SUBTYPE_ARM_V6M INT32_C(14) +#define CPU_SUBTYPE_ARM_V7M INT32_C(15) +#define CPU_SUBTYPE_ARM_V7EM INT32_C(16) +#define CPU_SUBTYPE_ARM_V8M INT32_C(17) + +#define CPU_SUBTYPE_ARM64_ALL INT32_C(0) +#define CPU_SUBTYPE_ARM64_V8 INT32_C(1) +#define CPU_SUBTYPE_ARM64E INT32_C(2) +#define CPU_SUBTYPE_ARM64_PTR_AUTH_MASK UINT32_C(0x0f000000) +#define CPU_SUBTYPE_ARM64_PTR_AUTH_VERSION(a) ( ((a) & CPU_SUBTYPE_ARM64_PTR_AUTH_MASK) >> 24 ) + +#define CPU_SUBTYPE_ARM64_32_ALL INT32_C(0) +#define CPU_SUBTYPE_ARM64_32_V8 INT32_C(1) + +#define CPU_SUBTYPE_MC88000_ALL INT32_C(0) +#define CPU_SUBTYPE_MC88100 INT32_C(1) +#define CPU_SUBTYPE_MC88110 INT32_C(2) + +#define CPU_SUBTYPE_SPARC_ALL INT32_C(0) + +#define CPU_SUBTYPE_I860_ALL INT32_C(0) +#define CPU_SUBTYPE_I860_860 INT32_C(1) + +#define CPU_SUBTYPE_POWERPC_ALL INT32_C(0) +#define CPU_SUBTYPE_POWERPC_601 INT32_C(1) +#define CPU_SUBTYPE_POWERPC_602 INT32_C(2) +#define CPU_SUBTYPE_POWERPC_603 INT32_C(3) +#define CPU_SUBTYPE_POWERPC_603e INT32_C(4) +#define CPU_SUBTYPE_POWERPC_603ev INT32_C(5) +#define CPU_SUBTYPE_POWERPC_604 INT32_C(6) +#define CPU_SUBTYPE_POWERPC_604e INT32_C(7) +#define CPU_SUBTYPE_POWERPC_620 INT32_C(8) +#define CPU_SUBTYPE_POWERPC_750 INT32_C(9) +#define CPU_SUBTYPE_POWERPC_7400 INT32_C(10) +#define CPU_SUBTYPE_POWERPC_7450 INT32_C(11) +#define CPU_SUBTYPE_POWERPC_Max INT32_C(10) +#define CPU_SUBTYPE_POWERPC_SCVger INT32_C(11) +#define CPU_SUBTYPE_POWERPC_970 INT32_C(100) + +#define CPU_SUBTYPE_MASK UINT32_C(0xff000000) +#define CPU_SUBTYPE_LIB64 UINT32_C(0x80000000) + +#endif /* !CPU_ARCH_MASK */ + + +typedef struct fat_header +{ + uint32_t magic; + uint32_t nfat_arch; +} fat_header_t; + +#ifndef IMAGE_FAT_SIGNATURE +# define IMAGE_FAT_SIGNATURE UINT32_C(0xcafebabe) +#endif +#ifndef IMAGE_FAT_SIGNATURE_OE +# define IMAGE_FAT_SIGNATURE_OE UINT32_C(0xbebafeca) +#endif + +typedef struct fat_arch +{ + int32_t cputype; + int32_t cpusubtype; + uint32_t offset; + uint32_t size; + uint32_t align; +} fat_arch_t; + +typedef struct mach_header_32 +{ + uint32_t magic; + int32_t cputype; + int32_t cpusubtype; + uint32_t filetype; + uint32_t ncmds; + uint32_t sizeofcmds; + uint32_t flags; +} mach_header_32_t; + +/* magic */ +#ifndef IMAGE_MACHO32_SIGNATURE +# define IMAGE_MACHO32_SIGNATURE UINT32_C(0xfeedface) +#endif +#ifndef IMAGE_MACHO32_SIGNATURE_OE +# define IMAGE_MACHO32_SIGNATURE_OE UINT32_C(0xcefaedfe) +#endif +#define MH_MAGIC IMAGE_MACHO32_SIGNATURE +#define MH_CIGAM IMAGE_MACHO32_SIGNATURE_OE + +typedef struct mach_header_64 +{ + uint32_t magic; /**< 0x00 */ + int32_t cputype; /**< 0x04 */ + int32_t cpusubtype; /**< 0x08 */ + uint32_t filetype; /**< 0x0c */ + uint32_t ncmds; /**< 0x10 */ + uint32_t sizeofcmds; /**< 0x14 */ + uint32_t flags; /**< 0x18 */ + uint32_t reserved; /**< 0x1c */ +} mach_header_64_t; +AssertCompileSize(mach_header_64_t, 0x20); + +/* magic */ +#ifndef IMAGE_MACHO64_SIGNATURE +# define IMAGE_MACHO64_SIGNATURE UINT32_C(0xfeedfacf) +#endif +#ifndef IMAGE_MACHO64_SIGNATURE_OE +# define IMAGE_MACHO64_SIGNATURE_OE UINT32_C(0xfefaedfe) +#endif +#define MH_MAGIC_64 IMAGE_MACHO64_SIGNATURE +#define MH_CIGAM_64 IMAGE_MACHO64_SIGNATURE_OE + +/* mach_header_* filetype */ +#define MH_OBJECT UINT32_C(1) +#define MH_EXECUTE UINT32_C(2) +#define MH_FVMLIB UINT32_C(3) +#define MH_CORE UINT32_C(4) +#define MH_PRELOAD UINT32_C(5) +#define MH_DYLIB UINT32_C(6) +#define MH_DYLINKER UINT32_C(7) +#define MH_BUNDLE UINT32_C(8) +#define MH_DYLIB_STUB UINT32_C(9) +#define MH_DSYM UINT32_C(10) +#define MH_KEXT_BUNDLE UINT32_C(11) + +/* mach_header_* flags */ +#define MH_NOUNDEFS UINT32_C(0x00000001) +#define MH_INCRLINK UINT32_C(0x00000002) +#define MH_DYLDLINK UINT32_C(0x00000004) +#define MH_BINDATLOAD UINT32_C(0x00000008) +#define MH_PREBOUND UINT32_C(0x00000010) +#define MH_SPLIT_SEGS UINT32_C(0x00000020) +#define MH_LAZY_INIT UINT32_C(0x00000040) +#define MH_TWOLEVEL UINT32_C(0x00000080) +#define MH_FORCE_FLAT UINT32_C(0x00000100) +#define MH_NOMULTIDEFS UINT32_C(0x00000200) +#define MH_NOFIXPREBINDING UINT32_C(0x00000400) +#define MH_PREBINDABLE UINT32_C(0x00000800) +#define MH_ALLMODSBOUND UINT32_C(0x00001000) +#define MH_SUBSECTIONS_VIA_SYMBOLS UINT32_C(0x00002000) +#define MH_CANONICAL UINT32_C(0x00004000) +#define MH_WEAK_DEFINES UINT32_C(0x00008000) +#define MH_BINDS_TO_WEAK UINT32_C(0x00010000) +#define MH_ALLOW_STACK_EXECUTION UINT32_C(0x00020000) +#define MH_ROOT_SAFE UINT32_C(0x00040000) +#define MH_SETUID_SAFE UINT32_C(0x00080000) +#define MH_NO_REEXPORTED_DYLIBS UINT32_C(0x00100000) +#define MH_PIE UINT32_C(0x00200000) +#define MH_DEAD_STRIPPABLE_DYLIB UINT32_C(0x00400000) +#define MH_HAS_TLV_DESCRIPTORS UINT32_C(0x00800000) +#define MH_NO_HEAP_EXECUTION UINT32_C(0x01000000) +#define MH_UNKNOWN UINT32_C(0x80000000) +#define MH_VALID_FLAGS UINT32_C(0x81ffffff) + + +typedef struct load_command +{ + uint32_t cmd; + uint32_t cmdsize; +} load_command_t; + +/* load cmd */ +#define LC_REQ_DYLD UINT32_C(0x80000000) +#define LC_SEGMENT_32 UINT32_C(0x01) +#define LC_SYMTAB UINT32_C(0x02) +#define LC_SYMSEG UINT32_C(0x03) +#define LC_THREAD UINT32_C(0x04) +#define LC_UNIXTHREAD UINT32_C(0x05) +#define LC_LOADFVMLIB UINT32_C(0x06) +#define LC_IDFVMLIB UINT32_C(0x07) +#define LC_IDENT UINT32_C(0x08) +#define LC_FVMFILE UINT32_C(0x09) +#define LC_PREPAGE UINT32_C(0x0a) +#define LC_DYSYMTAB UINT32_C(0x0b) +#define LC_LOAD_DYLIB UINT32_C(0x0c) +#define LC_ID_DYLIB UINT32_C(0x0d) +#define LC_LOAD_DYLINKER UINT32_C(0x0e) +#define LC_ID_DYLINKER UINT32_C(0x0f) +#define LC_PREBOUND_DYLIB UINT32_C(0x10) +#define LC_ROUTINES UINT32_C(0x11) +#define LC_SUB_FRAMEWORK UINT32_C(0x12) +#define LC_SUB_UMBRELLA UINT32_C(0x13) +#define LC_SUB_CLIENT UINT32_C(0x14) +#define LC_SUB_LIBRARY UINT32_C(0x15) +#define LC_TWOLEVEL_HINTS UINT32_C(0x16) +#define LC_PREBIND_CKSUM UINT32_C(0x17) +#define LC_LOAD_WEAK_DYLIB (UINT32_C(0x18) | LC_REQ_DYLD) +#define LC_SEGMENT_64 UINT32_C(0x19) +#define LC_ROUTINES_64 UINT32_C(0x1a) +#define LC_UUID UINT32_C(0x1b) +#define LC_RPATH (UINT32_C(0x1c) | LC_REQ_DYLD) +#define LC_CODE_SIGNATURE UINT32_C(0x1d) +#define LC_SEGMENT_SPLIT_INFO UINT32_C(0x1e) +#define LC_REEXPORT_DYLIB (UINT32_C(0x1f) | LC_REQ_DYLD) +#define LC_LAZY_LOAD_DYLIB UINT32_C(0x20) +#define LC_ENCRYPTION_INFO UINT32_C(0x21) +#define LC_DYLD_INFO UINT32_C(0x22) +#define LC_DYLD_INFO_ONLY (UINT32_C(0x22) | LC_REQ_DYLD) +#define LC_LOAD_UPWARD_DYLIB (UINT32_C(0x23) | LC_REQ_DYLD) +#define LC_VERSION_MIN_MACOSX UINT32_C(0x24) +#define LC_VERSION_MIN_IPHONEOS UINT32_C(0x25) +#define LC_FUNCTION_STARTS UINT32_C(0x26) +#define LC_DYLD_ENVIRONMENT UINT32_C(0x27) +#define LC_MAIN (UINT32_C(0x28) | LC_REQ_DYLD) +#define LC_DATA_IN_CODE UINT32_C(0x29) +#define LC_SOURCE_VERSION UINT32_C(0x2a) /**< source_version_command */ +#define LC_DYLIB_CODE_SIGN_DRS UINT32_C(0x2b) +#define LC_ENCRYPTION_INFO_64 UINT32_C(0x2c) +#define LC_LINKER_OPTION UINT32_C(0x2d) +#define LC_LINKER_OPTIMIZATION_HINT UINT32_C(0x2e) +#define LC_VERSION_MIN_TVOS UINT32_C(0x2f) +#define LC_VERSION_MIN_WATCHOS UINT32_C(0x30) +#define LC_NOTE UINT32_C(0x31) +#define LC_BUILD_VERSION UINT32_C(0x32) + + +typedef struct lc_str +{ + uint32_t offset; +} lc_str_t; + +typedef struct segment_command_32 +{ + uint32_t cmd; + uint32_t cmdsize; + char segname[16]; + uint32_t vmaddr; + uint32_t vmsize; + uint32_t fileoff; + uint32_t filesize; + uint32_t maxprot; + uint32_t initprot; + uint32_t nsects; + uint32_t flags; +} segment_command_32_t; + +typedef struct segment_command_64 +{ + uint32_t cmd; + uint32_t cmdsize; + char segname[16]; + uint64_t vmaddr; + uint64_t vmsize; + uint64_t fileoff; + uint64_t filesize; + uint32_t maxprot; + uint32_t initprot; + uint32_t nsects; + uint32_t flags; +} segment_command_64_t; + +/* segment flags */ +#define SG_HIGHVM UINT32_C(0x00000001) +#define SG_FVMLIB UINT32_C(0x00000002) +#define SG_NORELOC UINT32_C(0x00000004) +#define SG_PROTECTED_VERSION_1 UINT32_C(0x00000008) +#define SG_READ_ONLY UINT32_C(0x00000010) /**< Make it read-only after applying fixups. @since 10.14 */ + +/* maxprot/initprot */ +#ifndef VM_PROT_NONE +# define VM_PROT_NONE UINT32_C(0x00000000) +# define VM_PROT_READ UINT32_C(0x00000001) +# define VM_PROT_WRITE UINT32_C(0x00000002) +# define VM_PROT_EXECUTE UINT32_C(0x00000004) +# define VM_PROT_ALL UINT32_C(0x00000007) +#endif + +typedef struct section_32 +{ + char sectname[16]; + char segname[16]; + uint32_t addr; + uint32_t size; + uint32_t offset; + uint32_t align; + uint32_t reloff; + uint32_t nreloc; + uint32_t flags; + /** For S_LAZY_SYMBOL_POINTERS, S_NON_LAZY_SYMBOL_POINTERS and S_SYMBOL_STUBS + * this is the index into the indirect symbol table. */ + uint32_t reserved1; + /** For S_SYMBOL_STUBS this is the entry size. */ + uint32_t reserved2; +} section_32_t; + +typedef struct section_64 +{ + char sectname[16]; + char segname[16]; + uint64_t addr; + uint64_t size; + uint32_t offset; + uint32_t align; + uint32_t reloff; + uint32_t nreloc; + uint32_t flags; + /** For S_LAZY_SYMBOL_POINTERS, S_NON_LAZY_SYMBOL_POINTERS and S_SYMBOL_STUBS + * this is the index into the indirect symbol table. */ + uint32_t reserved1; + uint32_t reserved2; + uint32_t reserved3; +} section_64_t; + +/* section flags */ +#define SECTION_TYPE UINT32_C(0xff) +#define S_REGULAR UINT32_C(0x00) +#define S_ZEROFILL UINT32_C(0x01) +#define S_CSTRING_LITERALS UINT32_C(0x02) +#define S_4BYTE_LITERALS UINT32_C(0x03) +#define S_8BYTE_LITERALS UINT32_C(0x04) +#define S_LITERAL_POINTERS UINT32_C(0x05) +#define S_NON_LAZY_SYMBOL_POINTERS UINT32_C(0x06) +#define S_LAZY_SYMBOL_POINTERS UINT32_C(0x07) +#define S_SYMBOL_STUBS UINT32_C(0x08) +#define S_MOD_INIT_FUNC_POINTERS UINT32_C(0x09) +#define S_MOD_TERM_FUNC_POINTERS UINT32_C(0x0a) +#define S_COALESCED UINT32_C(0x0b) +#define S_GB_ZEROFILL UINT32_C(0x0c) +#define S_INTERPOSING UINT32_C(0x0d) +#define S_16BYTE_LITERALS UINT32_C(0x0e) +#define S_DTRACE_DOF UINT32_C(0x0f) +#define S_LAZY_DYLIB_SYMBOL_POINTERS UINT32_C(0x10) +#define S_THREAD_LOCAL_REGULAR UINT32_C(0x11) +#define S_THREAD_LOCAL_ZEROFILL UINT32_C(0x12) +#define S_THREAD_LOCAL_VARIABLES UINT32_C(0x13) +#define S_THREAD_LOCAL_VARIABLE_POINTERS UINT32_C(0x14) +#define S_THREAD_LOCAL_INIT_FUNCTION_POINTERS UINT32_C(0x15) + + + + +#define SECTION_ATTRIBUTES UINT32_C(0xffffff00) +#define SECTION_ATTRIBUTES_USR UINT32_C(0xff000000) +#define S_ATTR_PURE_INSTRUCTIONS UINT32_C(0x80000000) +#define S_ATTR_NO_TOC UINT32_C(0x40000000) +#define S_ATTR_STRIP_STATIC_SYMS UINT32_C(0x20000000) +#define S_ATTR_NO_DEAD_STRIP UINT32_C(0x10000000) +#define S_ATTR_LIVE_SUPPORT UINT32_C(0x08000000) +#define S_ATTR_SELF_MODIFYING_CODE UINT32_C(0x04000000) +#define S_ATTR_DEBUG UINT32_C(0x02000000) +#define SECTION_ATTRIBUTES_SYS UINT32_C(0x00ffff00) +#define S_ATTR_SOME_INSTRUCTIONS UINT32_C(0x00000400) +#define S_ATTR_EXT_RELOC UINT32_C(0x00000200) +#define S_ATTR_LOC_RELOC UINT32_C(0x00000100) + +/* standard section names */ +#define SEG_PAGEZERO "__PAGEZERO" +#define SEG_TEXT "__TEXT" +#define SECT_TEXT "__text" +#define SECT_FVMLIB_INIT0 "__fvmlib_init0" +#define SECT_FVMLIB_INIT1 "__fvmlib_init1" +#define SEG_DATA "__DATA" +#define SECT_DATA "__data" +#define SECT_BSS "__bss" +#define SECT_COMMON "__common" +#define SEG_OBJC "__OBJC" +#define SECT_OBJC_SYMBOLS "__symbol_table" +#define SECT_OBJC_MODULES "__module_info" +#define SECT_OBJC_STRINGS "__selector_strs" +#define SECT_OBJC_REFS "__selector_refs" +#define SEG_ICON "__ICON" +#define SECT_ICON_HEADER "__header" +#define SECT_ICON_TIFF "__tiff" +#define SEG_LINKEDIT "__LINKEDIT" +#define SEG_UNIXSTACK "__UNIXSTACK" +#define SEG_IMPORT "__IMPORT" + +typedef struct thread_command +{ + uint32_t cmd; + uint32_t cmdsize; +} thread_command_t; + +typedef struct symtab_command +{ + uint32_t cmd; + uint32_t cmdsize; + uint32_t symoff; + uint32_t nsyms; + uint32_t stroff; + uint32_t strsize; +} symtab_command_t; + +typedef struct dysymtab_command +{ + uint32_t cmd; + uint32_t cmdsize; + /** @name Symbol groupings. + * @{ */ + uint32_t ilocalsym; /**< Index into the symbol table of the first local symbol. */ + uint32_t nlocalsym; /**< Number of local symbols. */ + uint32_t iextdefsym; /**< Index into the symbol table of the first externally defined symbol. */ + uint32_t nextdefsym; /**< Number of externally defined symbols. */ + uint32_t iundefsym; /**< Index into the symbol table of the first undefined symbol. */ + uint32_t nundefsym; /**< Number of undefined symbols. */ + /** @} */ + uint32_t tocoff; /**< Table of content file offset. (usually empty) */ + uint32_t ntoc; /**< Number of entries in TOC. */ + uint32_t modtaboff; /** The module table file offset. (usually empty) */ + uint32_t nmodtab; /**< Number of entries in the module table. */ + /** @name Dynamic symbol tables. + * @{ */ + uint32_t extrefsymoff; /**< Externally referenceable symbol table file offset. @sa dylib_reference_t */ + uint32_t nextrefsym; /**< Number externally referenceable symbols. */ + uint32_t indirectsymboff; /**< Indirect symbol table (32-bit symtab indexes) for thunks and offset tables. */ + uint32_t nindirectsymb; /**< Number of indirect symbol table entries. */ + /** @} */ + /** @name Relocations. + * @{ */ + uint32_t extreloff; /**< External relocations (r_address is relative to first segment (i.e. RVA)). */ + uint32_t nextrel; /**< Number of external relocations. */ + uint32_t locreloff; /**< Local relocations (r_address is relative to first segment (i.e. RVA)). */ + uint32_t nlocrel; /**< Number of local relocations. */ + /** @} */ +} dysymtab_command_t; +AssertCompileSize(dysymtab_command_t, 80); + +/** Special indirect symbol table entry value, stripped local symbol. */ +#define INDIRECT_SYMBOL_LOCAL UINT32_C(0x80000000) +/** Special indirect symbol table entry value, stripped absolute symbol. */ +#define INDIRECT_SYMBOL_ABS UINT32_C(0x40000000) + +typedef struct dylib_reference +{ + uint32_t isym : 24; /**< Symbol table index. */ + uint32_t flags : 8; /**< REFERENCE_FLAG_XXX? */ +} dylib_reference_t; +AssertCompileSize(dylib_reference_t, 4); + + +typedef struct dylib_table_of_contents +{ + uint32_t symbol_index; /**< External symbol table entry. */ + uint32_t module_index; /**< The module table index of the module defining it. */ +} dylib_table_of_contents_t; +AssertCompileSize(dylib_table_of_contents_t, 8); + + +/** 32-bit module table entry. */ +typedef struct dylib_module +{ + uint32_t module_name; + uint32_t iextdefsym; + uint32_t nextdefsym; + uint32_t irefsym; + uint32_t nrefsym; + uint32_t ilocalsym; + uint32_t nlocalsym; + uint32_t iextrel; + uint32_t nextrel; + uint32_t iinit_iterm; + uint32_t ninit_nterm; + uint32_t objc_module_info_addr; + uint32_t objc_module_info_size; +} dylib_module_32_t; +AssertCompileSize(dylib_module_32_t, 13*4); + +/* a 64-bit module table entry */ +typedef struct dylib_module_64 +{ + uint32_t module_name; + uint32_t iextdefsym; + uint32_t nextdefsym; + uint32_t irefsym; + uint32_t nrefsym; + uint32_t ilocalsym; + uint32_t nlocalsym; + uint32_t iextrel; + uint32_t nextrel; + uint32_t iinit_iterm; + uint32_t ninit_nterm; + uint32_t objc_module_info_size; + uint64_t objc_module_info_addr; +} dylib_module_64_t; +AssertCompileSize(dylib_module_64_t, 12*4+8); + +typedef struct uuid_command +{ + uint32_t cmd; + uint32_t cmdsize; + uint8_t uuid[16]; +} uuid_command_t; +AssertCompileSize(uuid_command_t, 24); + +typedef struct linkedit_data_command +{ + uint32_t cmd; /**< LC_CODE_SIGNATURE, LC_SEGMENT_SPLIT_INFO, LC_FUNCTION_STARTS */ + uint32_t cmdsize; /**< Size of this structure (16). */ + uint32_t dataoff; /**< Offset into the file of the data. */ + uint32_t datasize; /**< The size of the data. */ +} linkedit_data_command_t; +AssertCompileSize(linkedit_data_command_t, 16); + +typedef struct version_min_command +{ + uint32_t cmd; /**< LC_VERSION_MIN_MACOSX, LC_VERSION_MIN_IPHONEOS, LC_VERSION_MIN_TVOS, LC_VERSION_MIN_WATCHOS */ + uint32_t cmdsize; /**< Size of this structure (16). */ + uint32_t version; /**< 31..16=major, 15..8=minor, 7..0=patch. */ + uint32_t reserved; /**< MBZ. */ +} version_min_command_t; +AssertCompileSize(version_min_command_t, 16); + +typedef struct build_tool_version +{ + uint32_t tool; /**< TOOL_XXX */ + uint32_t version; /**< 31..16=major, 15..8=minor, 7..0=patch. */ +} build_tool_version_t; +AssertCompileSize(build_tool_version_t, 8); + +/** @name TOOL_XXX - Values for build_tool_version::tool + * @{ */ +#define TOOL_CLANG 1 +#define TOOL_SWIFT 2 +#define TOOL_LD 3 +/** @} */ + +typedef struct build_version_command +{ + uint32_t cmd; /**< LC_BUILD_VERSION */ + uint32_t cmdsize; /**< Size of this structure (at least 24). */ + uint32_t platform; /**< PLATFORM_XXX */ + uint32_t minos; /**< Minimum OS version: 31..16=major, 15..8=minor, 7..0=patch */ + uint32_t sdk; /**< SDK version: 31..16=major, 15..8=minor, 7..0=patch */ + uint32_t ntools; /**< Number of build_tool_version entries following in aTools. */ + RT_FLEXIBLE_ARRAY_EXTENSION + build_tool_version_t aTools[RT_FLEXIBLE_ARRAY]; +} build_version_command_t; +AssertCompileMemberOffset(build_version_command_t, aTools, 24); + +/** @name PLATFORM_XXX - Values for build_version_command::platform + * @{ */ +#define PLATFORM_MACOS 1 +#define PLATFORM_IOS 2 +#define PLATFORM_TVOS 3 +#define PLATFORM_WATCHOS 4 +/** @} */ + +typedef struct source_version_command +{ + uint32_t cmd; /**< LC_SOURCE_VERSION */ + uint32_t cmdsize; /**< Size of this structure (16). */ + uint64_t version; /**< A.B.C.D.E, where A is 24 bits wide and the rest 10 bits each. */ +} source_version_command_t; +AssertCompileSize(source_version_command_t, 16); + + +typedef struct macho_nlist_32 +{ + union + { + int32_t n_strx; + } n_un; + uint8_t n_type; + uint8_t n_sect; + int16_t n_desc; + uint32_t n_value; +} macho_nlist_32_t; + + +typedef struct macho_nlist_64 +{ + union + { + uint32_t n_strx; + } n_un; + uint8_t n_type; + uint8_t n_sect; + int16_t n_desc; + uint64_t n_value; +} macho_nlist_64_t; + +#define MACHO_N_EXT UINT8_C(0x01) +#define MACHO_N_PEXT UINT8_C(0x10) + +#define MACHO_N_TYPE UINT8_C(0x0e) +#define MACHO_N_UNDF UINT8_C(0x00) +#define MACHO_N_ABS UINT8_C(0x02) +#define MACHO_N_INDR UINT8_C(0x0a) +#define MACHO_N_PBUD UINT8_C(0x0c) +#define MACHO_N_SECT UINT8_C(0x0e) + +#define MACHO_N_STAB UINT8_C(0xe0) +#define MACHO_N_GSYM UINT8_C(0x20) +#define MACHO_N_FNAME UINT8_C(0x22) +#define MACHO_N_FUN UINT8_C(0x24) +#define MACHO_N_STSYM UINT8_C(0x26) +#define MACHO_N_LCSYM UINT8_C(0x28) +#define MACHO_N_BNSYM UINT8_C(0x2e) +#define MACHO_N_PC UINT8_C(0x30) +#define MACHO_N_OPT UINT8_C(0x3c) +#define MACHO_N_RSYM UINT8_C(0x40) +#define MACHO_N_SLINE UINT8_C(0x44) +#define MACHO_N_ENSYM UINT8_C(0x4e) +#define MACHO_N_SSYM UINT8_C(0x60) +#define MACHO_N_SO UINT8_C(0x64) +#define MACHO_N_OSO UINT8_C(0x66) +#define MACHO_N_LSYM UINT8_C(0x80) +#define MACHO_N_BINCL UINT8_C(0x82) +#define MACHO_N_SOL UINT8_C(0x84) +#define MACHO_N_PARAMS UINT8_C(0x86) +#define MACHO_N_VERSION UINT8_C(0x88) +#define MACHO_N_OLEVEL UINT8_C(0x8A) +#define MACHO_N_PSYM UINT8_C(0xa0) +#define MACHO_N_EINCL UINT8_C(0xa2) +#define MACHO_N_ENTRY UINT8_C(0xa4) +#define MACHO_N_LBRAC UINT8_C(0xc0) +#define MACHO_N_EXCL UINT8_C(0xc2) +#define MACHO_N_RBRAC UINT8_C(0xe0) +#define MACHO_N_BCOMM UINT8_C(0xe2) +#define MACHO_N_ECOMM UINT8_C(0xe4) +#define MACHO_N_ECOML UINT8_C(0xe8) +#define MACHO_N_LENG UINT8_C(0xfe) + +#define MACHO_NO_SECT UINT8_C(0x00) +#define MACHO_MAX_SECT UINT8_C(0xff) + +#define REFERENCE_TYPE UINT16_C(0x000f) +#define REFERENCE_FLAG_UNDEFINED_NON_LAZY 0 +#define REFERENCE_FLAG_UNDEFINED_LAZY 1 +#define REFERENCE_FLAG_DEFINED 2 +#define REFERENCE_FLAG_PRIVATE_DEFINED 3 +#define REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY 4 +#define REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY 5 +#define REFERENCED_DYNAMICALLY UINT16_C(0x0010) + +#define GET_LIBRARY_ORDINAL(a_n_desc) \ + RT_BYTE2(a_n_desc) +#define SET_LIBRARY_ORDINAL(a_n_desc, a_ordinal) \ + do { (a_n_desc) = RT_MAKE_U16(RT_BYTE1(a_n_desc), a_ordinal); } while (0) + +#define SELF_LIBRARY_ORDINAL 0x00 +#define MAX_LIBRARY_ORDINAL 0xfd +#define DYNAMIC_LOOKUP_ORDINAL 0xfe +#define EXECUTABLE_ORDINAL 0xff + +#define N_NO_DEAD_STRIP UINT16_C(0x0020) +#define N_DESC_DISCARDED UINT16_C(0x0020) +#define N_WEAK_REF UINT16_C(0x0040) +#define N_WEAK_DEF UINT16_C(0x0080) +#define N_REF_TO_WEAK UINT16_C(0x0080) +#define N_SYMBOL_RESOLVER UINT16_C(0x0100) +#define N_ALT_ENTRY UINT16_C(0x0200) + +typedef struct macho_relocation_info +{ + int32_t r_address; + uint32_t r_symbolnum : 24; + uint32_t r_pcrel : 1; + uint32_t r_length : 2; + uint32_t r_extern : 1; + uint32_t r_type : 4; +} macho_relocation_info_t; +AssertCompileSize(macho_relocation_info_t, 8); + +#define R_ABS 0 +#define R_SCATTERED UINT32_C(0x80000000) + +typedef struct scattered_relocation_info +{ +#ifdef RT_LITTLE_ENDIAN + uint32_t r_address : 24; + uint32_t r_type : 4; + uint32_t r_length : 2; + uint32_t r_pcrel : 1; + uint32_t r_scattered : 1; +#elif defined(RT_BIG_ENDIAN) + uint32_t r_scattered : 1; + uint32_t r_pcrel : 1; + uint32_t r_length : 2; + uint32_t r_type : 4; + uint32_t r_address : 24; +#else +# error "Neither K_ENDIAN isn't LITTLE or BIG!" +#endif + int32_t r_value; +} scattered_relocation_info_t; +AssertCompileSize(scattered_relocation_info_t, 8); + +typedef union +{ + macho_relocation_info_t r; + scattered_relocation_info_t s; +} macho_relocation_union_t; +AssertCompileSize(macho_relocation_union_t, 8); + +typedef enum reloc_type_generic +{ + GENERIC_RELOC_VANILLA = 0, + GENERIC_RELOC_PAIR, + GENERIC_RELOC_SECTDIFF, + GENERIC_RELOC_PB_LA_PTR, + GENERIC_RELOC_LOCAL_SECTDIFF +} reloc_type_generic_t; + +typedef enum reloc_type_x86_64 +{ + X86_64_RELOC_UNSIGNED = 0, + X86_64_RELOC_SIGNED, + X86_64_RELOC_BRANCH, + X86_64_RELOC_GOT_LOAD, + X86_64_RELOC_GOT, + X86_64_RELOC_SUBTRACTOR, + X86_64_RELOC_SIGNED_1, + X86_64_RELOC_SIGNED_2, + X86_64_RELOC_SIGNED_4 +} reloc_type_x86_64_t; + +#endif /* !IPRT_INCLUDED_formats_mach_o_h */ + |