/* $Id: mach-o.h $ */ /** @file * IPRT - Mach-O Structures and Constants. */ /* * Copyright (C) 2011-2019 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the * VirtualBox OSE 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. */ #ifndef IPRT_INCLUDED_formats_mach_o_h #define IPRT_INCLUDED_formats_mach_o_h #ifndef RT_WITHOUT_PRAGMA_ONCE # pragma once #endif #include #include #ifndef CPU_ARCH_MASK /* cputype */ #define CPU_ARCH_MASK INT32_C(0xff000000) #define CPU_ARCH_ABI64 INT32_C(0x01000000) #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_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_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; int32_t cputype; int32_t cpusubtype; uint32_t filetype; uint32_t ncmds; uint32_t sizeofcmds; uint32_t flags; uint32_t reserved; } mach_header_64_t; /* 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_VALID_FLAGS UINT32_C(0x01ffffff) 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) #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) /* 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. */ 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 */ uint32_t cmdsize; /**< Size of this structure. */ 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 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 */