mirror of
https://github.com/rui314/mold.git
synced 2024-11-11 05:46:58 +03:00
486 lines
15 KiB
C++
486 lines
15 KiB
C++
#pragma once
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#include <cstdint>
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namespace mold::macho {
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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typedef int8_t i8;
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typedef int16_t i16;
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typedef int32_t i32;
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typedef int64_t i64;
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static constexpr u32 MH_OBJECT = 0x1;
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static constexpr u32 MH_EXECUTE = 0x2;
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static constexpr u32 MH_FVMLIB = 0x3;
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static constexpr u32 MH_CORE = 0x4;
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static constexpr u32 MH_PRELOAD = 0x5;
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static constexpr u32 MH_DYLIB = 0x6;
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static constexpr u32 MH_DYLINKER = 0x7;
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static constexpr u32 MH_BUNDLE = 0x8;
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static constexpr u32 MH_DYLIB_STUB = 0x9;
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static constexpr u32 MH_DSYM = 0xa;
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static constexpr u32 MH_KEXT_BUNDLE = 0xb;
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static constexpr u32 MH_NOUNDEFS = 0x1;
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static constexpr u32 MH_INCRLINK = 0x2;
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static constexpr u32 MH_DYLDLINK = 0x4;
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static constexpr u32 MH_BINDATLOAD = 0x8;
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static constexpr u32 MH_PREBOUND = 0x10;
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static constexpr u32 MH_SPLIT_SEGS = 0x20;
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static constexpr u32 MH_LAZY_INIT = 0x40;
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static constexpr u32 MH_TWOLEVEL = 0x80;
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static constexpr u32 MH_FORCE_FLAT = 0x100;
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static constexpr u32 MH_NOMULTIDEFS = 0x200;
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static constexpr u32 MH_NOFIXPREBINDING = 0x400;
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static constexpr u32 MH_PREBINDABLE = 0x800;
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static constexpr u32 MH_ALLMODSBOUND = 0x1000;
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static constexpr u32 MH_SUBSECTIONS_VIA_SYMBOLS = 0x2000;
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static constexpr u32 MH_CANONICAL = 0x4000;
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static constexpr u32 MH_WEAK_DEFINES = 0x8000;
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static constexpr u32 MH_BINDS_TO_WEAK = 0x10000;
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static constexpr u32 MH_ALLOW_STACK_EXECUTION = 0x20000;
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static constexpr u32 MH_ROOT_SAFE = 0x40000;
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static constexpr u32 MH_SETUID_SAFE = 0x80000;
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static constexpr u32 MH_NO_REEXPORTED_DYLIBS = 0x100000;
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static constexpr u32 MH_PIE = 0x200000;
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static constexpr u32 MH_DEAD_STRIPPABLE_DYLIB = 0x400000;
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static constexpr u32 MH_HAS_TLV_DESCRIPTORS = 0x800000;
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static constexpr u32 MH_NO_HEAP_EXECUTION = 0x1000000;
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static constexpr u32 MH_APP_EXTENSION_SAFE = 0x02000000;
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static constexpr u32 MH_NLIST_OUTOFSYNC_WITH_DYLDINFO = 0x04000000;
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static constexpr u32 MH_SIM_SUPPORT = 0x08000000;
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static constexpr u32 VM_PROT_READ = 0x1;
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static constexpr u32 VM_PROT_WRITE = 0x2;
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static constexpr u32 VM_PROT_EXECUTE = 0x4;
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static constexpr u32 VM_PROT_NO_CHANGE = 0x8;
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static constexpr u32 VM_PROT_COPY = 0x10;
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static constexpr u32 VM_PROT_WANTS_COPY = 0x10;
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static constexpr u32 LC_REQ_DYLD = 0x80000000;
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static constexpr u32 LC_SEGMENT = 0x1;
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static constexpr u32 LC_SYMTAB = 0x2;
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static constexpr u32 LC_SYMSEG = 0x3;
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static constexpr u32 LC_THREAD = 0x4;
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static constexpr u32 LC_UNIXTHREAD = 0x5;
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static constexpr u32 LC_LOADFVMLIB = 0x6;
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static constexpr u32 LC_IDFVMLIB = 0x7;
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static constexpr u32 LC_IDENT = 0x8;
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static constexpr u32 LC_FVMFILE = 0x9;
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static constexpr u32 LC_PREPAGE = 0xa;
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static constexpr u32 LC_DYSYMTAB = 0xb;
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static constexpr u32 LC_LOAD_DYLIB = 0xc;
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static constexpr u32 LC_ID_DYLIB = 0xd;
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static constexpr u32 LC_LOAD_DYLINKER = 0xe;
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static constexpr u32 LC_ID_DYLINKER = 0xf;
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static constexpr u32 LC_PREBOUND_DYLIB = 0x10;
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static constexpr u32 LC_ROUTINES = 0x11;
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static constexpr u32 LC_SUB_FRAMEWORK = 0x12;
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static constexpr u32 LC_SUB_UMBRELLA = 0x13;
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static constexpr u32 LC_SUB_CLIENT = 0x14;
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static constexpr u32 LC_SUB_LIBRARY = 0x15;
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static constexpr u32 LC_TWOLEVEL_HINTS = 0x16;
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static constexpr u32 LC_PREBIND_CKSUM = 0x17;
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static constexpr u32 LC_LOAD_WEAK_DYLIB = (0x18 | LC_REQ_DYLD);
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static constexpr u32 LC_SEGMENT_64 = 0x19;
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static constexpr u32 LC_ROUTINES_64 = 0x1a;
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static constexpr u32 LC_UUID = 0x1b;
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static constexpr u32 LC_RPATH = (0x1c | LC_REQ_DYLD);
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static constexpr u32 LC_CODE_SIGNATURE = 0x1d;
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static constexpr u32 LC_SEGMENT_SPLIT_INFO = 0x1e;
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static constexpr u32 LC_REEXPORT_DYLIB = (0x1f | LC_REQ_DYLD);
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static constexpr u32 LC_LAZY_LOAD_DYLIB = 0x20;
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static constexpr u32 LC_ENCRYPTION_INFO = 0x21;
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static constexpr u32 LC_DYLD_INFO = 0x22;
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static constexpr u32 LC_DYLD_INFO_ONLY = (0x22 | LC_REQ_DYLD);
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static constexpr u32 LC_LOAD_UPWARD_DYLIB = (0x23 | LC_REQ_DYLD);
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static constexpr u32 LC_VERSION_MIN_MACOSX = 0x24;
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static constexpr u32 LC_VERSION_MIN_IPHONEOS = 0x25;
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static constexpr u32 LC_FUNCTION_STARTS = 0x26;
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static constexpr u32 LC_DYLD_ENVIRONMENT = 0x27;
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static constexpr u32 LC_MAIN = (0x28 | LC_REQ_DYLD);
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static constexpr u32 LC_DATA_IN_CODE = 0x29;
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static constexpr u32 LC_SOURCE_VERSION = 0x2A;
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static constexpr u32 LC_DYLIB_CODE_SIGN_DRS = 0x2B;
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static constexpr u32 LC_ENCRYPTION_INFO_64 = 0x2C;
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static constexpr u32 LC_LINKER_OPTION = 0x2D;
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static constexpr u32 LC_LINKER_OPTIMIZATION_HINT = 0x2E;
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static constexpr u32 LC_VERSION_MIN_TVOS = 0x2F;
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static constexpr u32 LC_VERSION_MIN_WATCHOS = 0x30;
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static constexpr u32 LC_NOTE = 0x31;
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static constexpr u32 LC_BUILD_VERSION = 0x32;
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static constexpr u32 SG_HIGHVM = 0x1;
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static constexpr u32 SG_FVMLIB = 0x2;
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static constexpr u32 SG_NORELOC = 0x4;
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static constexpr u32 SG_PROTECTED_VERSION_1 = 0x8;
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static constexpr u32 SG_READ_ONLY = 0x10;
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static constexpr u32 S_REGULAR = 0x0;
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static constexpr u32 S_ZEROFILL = 0x1;
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static constexpr u32 S_CSTRING_LITERALS = 0x2;
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static constexpr u32 S_4BYTE_LITERALS = 0x3;
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static constexpr u32 S_8BYTE_LITERALS = 0x4;
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static constexpr u32 S_LITERAL_POINTERS = 0x5;
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static constexpr u32 S_NON_LAZY_SYMBOL_POINTERS = 0x6;
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static constexpr u32 S_LAZY_SYMBOL_POINTERS = 0x7;
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static constexpr u32 S_SYMBOL_STUBS = 0x8;
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static constexpr u32 S_MOD_INIT_FUNC_POINTERS = 0x9;
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static constexpr u32 S_MOD_TERM_FUNC_POINTERS = 0xa;
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static constexpr u32 S_COALESCED = 0xb;
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static constexpr u32 S_GB_ZEROFILL = 0xc;
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static constexpr u32 S_INTERPOSING = 0xd;
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static constexpr u32 S_16BYTE_LITERALS = 0xe;
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static constexpr u32 S_DTRACE_DOF = 0xf;
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static constexpr u32 S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10;
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static constexpr u32 S_THREAD_LOCAL_REGULAR = 0x11;
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static constexpr u32 S_THREAD_LOCAL_ZEROFILL = 0x12;
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static constexpr u32 S_THREAD_LOCAL_VARIABLES = 0x13;
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static constexpr u32 S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14;
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static constexpr u32 S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15;
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static constexpr u32 S_INIT_FUNC_OFFSETS = 0x16;
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static constexpr u32 S_ATTR_LOC_RELOC = 0x000001;
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static constexpr u32 S_ATTR_EXT_RELOC = 0x000002;
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static constexpr u32 S_ATTR_SOME_INSTRUCTIONS = 0x000004;
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static constexpr u32 S_ATTR_DEBUG = 0x020000;
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static constexpr u32 S_ATTR_SELF_MODIFYING_CODE = 0x040000;
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static constexpr u32 S_ATTR_LIVE_SUPPORT = 0x080000;
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static constexpr u32 S_ATTR_NO_DEAD_STRIP = 0x100000;
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static constexpr u32 S_ATTR_STRIP_STATIC_SYMS = 0x200000;
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static constexpr u32 S_ATTR_NO_TOC = 0x400000;
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static constexpr u32 S_ATTR_PURE_INSTRUCTIONS = 0x800000;
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static constexpr u32 CPU_TYPE_X86_64 = 0x1000007;
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static constexpr u32 CPU_SUBTYPE_X86_64_ALL = 3;
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static constexpr u32 REBASE_TYPE_POINTER = 1;
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static constexpr u32 REBASE_TYPE_TEXT_ABSOLUTE32 = 2;
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static constexpr u32 REBASE_TYPE_TEXT_PCREL32 = 3;
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static constexpr u32 REBASE_OPCODE_MASK = 0xf0;
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static constexpr u32 REBASE_IMMEDIATE_MASK = 0x0f;
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static constexpr u32 REBASE_OPCODE_DONE = 0x00;
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static constexpr u32 REBASE_OPCODE_SET_TYPE_IMM = 0x10;
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static constexpr u32 REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x20;
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static constexpr u32 REBASE_OPCODE_ADD_ADDR_ULEB = 0x30;
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static constexpr u32 REBASE_OPCODE_ADD_ADDR_IMM_SCALED = 0x40;
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static constexpr u32 REBASE_OPCODE_DO_REBASE_IMM_TIMES = 0x50;
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static constexpr u32 REBASE_OPCODE_DO_REBASE_ULEB_TIMES = 0x60;
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static constexpr u32 REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB = 0x70;
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static constexpr u32 REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB = 0x80;
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static constexpr u32 BIND_TYPE_POINTER = 1;
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static constexpr u32 BIND_TYPE_TEXT_ABSOLUTE32 = 2;
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static constexpr u32 BIND_TYPE_TEXT_PCREL32 = 3;
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static constexpr u32 BIND_SPECIAL_DYLIB_SELF = 0;
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static constexpr u32 BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1;
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static constexpr u32 BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2;
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static constexpr u32 BIND_SPECIAL_DYLIB_WEAK_LOOKUP = -3;
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static constexpr u32 BIND_SYMBOL_FLAGS_WEAK_IMPORT = 0x1;
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static constexpr u32 BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION = 0x8;
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static constexpr u32 BIND_OPCODE_MASK = 0xF0;
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static constexpr u32 BIND_IMMEDIATE_MASK = 0x0F;
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static constexpr u32 BIND_OPCODE_DONE = 0x00;
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static constexpr u32 BIND_OPCODE_SET_DYLIB_ORDINAL_IMM = 0x10;
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static constexpr u32 BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB = 0x20;
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static constexpr u32 BIND_OPCODE_SET_DYLIB_SPECIAL_IMM = 0x30;
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static constexpr u32 BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM = 0x40;
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static constexpr u32 BIND_OPCODE_SET_TYPE_IMM = 0x50;
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static constexpr u32 BIND_OPCODE_SET_ADDEND_SLEB = 0x60;
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static constexpr u32 BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x70;
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static constexpr u32 BIND_OPCODE_ADD_ADDR_ULEB = 0x80;
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static constexpr u32 BIND_OPCODE_DO_BIND = 0x90;
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static constexpr u32 BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB = 0xA0;
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static constexpr u32 BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED = 0xB0;
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static constexpr u32 BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB = 0xC0;
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static constexpr u32 BIND_OPCODE_THREADED = 0xD0;
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static constexpr u32 BIND_SUBOPCODE_THREADED_SET_BIND_ORDINAL_TABLE_SIZE_ULEB = 0x00;
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static constexpr u32 BIND_SUBOPCODE_THREADED_APPLY = 0x01;
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static constexpr u32 EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03;
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static constexpr u32 EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00;
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static constexpr u32 EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01;
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static constexpr u32 EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE = 0x02;
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static constexpr u32 EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04;
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static constexpr u32 EXPORT_SYMBOL_FLAGS_REEXPORT = 0x08;
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static constexpr u32 EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10;
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static constexpr u32 DICE_KIND_DATA = 1;
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static constexpr u32 DICE_KIND_JUMP_TABLE8 = 2;
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static constexpr u32 DICE_KIND_JUMP_TABLE16 = 3;
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static constexpr u32 DICE_KIND_JUMP_TABLE32 = 4;
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static constexpr u32 DICE_KIND_ABS_JUMP_TABLE32 = 5;
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static constexpr u32 N_UNDF = 0;
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static constexpr u32 N_ABS = 1;
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static constexpr u32 N_INDR = 5;
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static constexpr u32 N_PBUD = 6;
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static constexpr u32 N_SECT = 7;
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static constexpr u32 N_GSYM = 0x20;
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static constexpr u32 N_FNAME = 0x22;
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static constexpr u32 N_FUN = 0x24;
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static constexpr u32 N_STSYM = 0x26;
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static constexpr u32 N_LCSYM = 0x28;
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static constexpr u32 N_BNSYM = 0x2e;
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static constexpr u32 N_AST = 0x32;
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static constexpr u32 N_OPT = 0x3c;
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static constexpr u32 N_RSYM = 0x40;
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static constexpr u32 N_SLINE = 0x44;
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static constexpr u32 N_ENSYM = 0x4e;
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static constexpr u32 N_SSYM = 0x60;
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static constexpr u32 N_SO = 0x64;
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static constexpr u32 N_OSO = 0x66;
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static constexpr u32 N_LSYM = 0x80;
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static constexpr u32 N_BINCL = 0x82;
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static constexpr u32 N_SOL = 0x84;
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static constexpr u32 N_PARAMS = 0x86;
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static constexpr u32 N_VERSION = 0x88;
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static constexpr u32 N_OLEVEL = 0x8A;
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static constexpr u32 N_PSYM = 0xa0;
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static constexpr u32 N_EINCL = 0xa2;
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static constexpr u32 N_ENTRY = 0xa4;
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static constexpr u32 N_LBRAC = 0xc0;
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static constexpr u32 N_EXCL = 0xc2;
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static constexpr u32 N_RBRAC = 0xe0;
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static constexpr u32 N_BCOMM = 0xe2;
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static constexpr u32 N_ECOMM = 0xe4;
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static constexpr u32 N_ECOML = 0xe8;
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static constexpr u32 N_LENG = 0xfe;
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static constexpr u32 N_PC = 0x30;
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static constexpr u32 REFERENCE_TYPE = 0xf;
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static constexpr u32 REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0;
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static constexpr u32 REFERENCE_FLAG_UNDEFINED_LAZY = 1;
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static constexpr u32 REFERENCE_FLAG_DEFINED = 2;
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static constexpr u32 REFERENCE_FLAG_PRIVATE_DEFINED = 3;
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static constexpr u32 REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4;
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static constexpr u32 REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5;
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static constexpr u32 REFERENCED_DYNAMICALLY = 0x0010;
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static constexpr u32 N_DESC_DISCARDED = 0x8000;
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static constexpr u32 PLATFORM_MACOS = 1;
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static constexpr u32 PLATFORM_IOS = 2;
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static constexpr u32 PLATFORM_TVOS = 3;
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static constexpr u32 PLATFORM_WATCHOS = 4;
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static constexpr u32 PLATFORM_BRIDGEOS = 5;
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static constexpr u32 PLATFORM_MACCATALYST = 6;
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static constexpr u32 PLATFORM_IOSSIMULATOR = 7;
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static constexpr u32 PLATFORM_TVOSSIMULATOR = 8;
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static constexpr u32 PLATFORM_WATCHOSSIMULATOR = 9;
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static constexpr u32 PLATFORM_DRIVERKIT = 10;
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static constexpr u32 TOOL_CLANG = 1;
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static constexpr u32 TOOL_SWIFT = 2;
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static constexpr u32 TOOL_LD = 3;
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static constexpr u32 X86_64_RELOC_UNSIGNED = 0;
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static constexpr u32 X86_64_RELOC_SIGNED = 1;
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static constexpr u32 X86_64_RELOC_BRANCH = 2;
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static constexpr u32 X86_64_RELOC_GOT_LOAD = 3;
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static constexpr u32 X86_64_RELOC_GOT = 4;
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static constexpr u32 X86_64_RELOC_SUBTRACTOR = 5;
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static constexpr u32 X86_64_RELOC_SIGNED_1 = 6;
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static constexpr u32 X86_64_RELOC_SIGNED_2 = 7;
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static constexpr u32 X86_64_RELOC_SIGNED_4 = 8;
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static constexpr u32 X86_64_RELOC_TLV = 9;
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struct MachHeader {
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u32 magic;
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u32 cputype;
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u32 cpusubtype;
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u32 filetype;
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u32 ncmds;
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u32 sizeofcmds;
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u32 flags;
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u32 reserved;
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};
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struct LoadCommand {
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u32 cmd;
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u32 cmdsize;
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};
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struct SegmentCommand {
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u32 cmd;
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u32 cmdsize;
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char segname[16];
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u64 vmaddr;
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u64 vmsize;
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u64 fileoff;
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u64 filesize;
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u32 maxprot;
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u32 initprot;
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u32 nsects;
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u32 flags;
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};
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struct MachSection {
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char sectname[16];
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char segname[16];
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u64 addr;
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u64 size;
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u32 offset;
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u32 p2align;
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u32 reloff;
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u32 nreloc;
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u32 type : 8;
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u32 attr : 24;
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u32 reserved1;
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u32 reserved2;
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u32 reserved3;
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};
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struct DylibCommand {
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u32 cmd;
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u32 cmdsize;
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u32 nameoff;
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u32 timestamp;
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u32 current_version;
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u32 compatibility_version;
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};
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struct DylinkerCommand {
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u32 cmd;
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u32 cmdsize;
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u32 nameoff;
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};
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struct SymtabCommand {
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u32 cmd;
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u32 cmdsize;
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u32 symoff;
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u32 nsyms;
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u32 stroff;
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u32 strsize;
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};
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struct DysymtabCommand {
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u32 cmd;
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u32 cmdsize;
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u32 ilocalsym;
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u32 nlocalsym;
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u32 iextdefsym;
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u32 nextdefsym;
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u32 iundefsym;
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u32 nundefsym;
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u32 tocoff;
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u32 ntoc;
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u32 modtaboff;
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u32 nmodtab;
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u32 extrefsymoff;
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u32 nextrefsyms;
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u32 indirectsymoff;
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u32 nindirectsyms;
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u32 extreloff;
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u32 nextrel;
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u32 locreloff;
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u32 nlocrel;
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};
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struct VersionMinCommand {
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u32 cmd;
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u32 cmdsize;
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u32 version;
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u32 sdk;
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};
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struct DyldInfoCommand {
|
|
u32 cmd;
|
|
u32 cmdsize;
|
|
u32 rebase_off;
|
|
u32 rebase_size;
|
|
u32 bind_off;
|
|
u32 bind_size;
|
|
u32 weak_bind_off;
|
|
u32 weak_bind_size;
|
|
u32 lazy_bind_off;
|
|
u32 lazy_bind_size;
|
|
u32 export_off;
|
|
u32 export_size;
|
|
};
|
|
|
|
struct UUIDCommand {
|
|
u32 cmd;
|
|
u32 cmdsize;
|
|
u8 uuid[16];
|
|
};
|
|
|
|
struct LinkEditDataCommand {
|
|
u32 cmd;
|
|
u32 cmdsize;
|
|
u32 dataoff;
|
|
u32 datasize;
|
|
};
|
|
|
|
struct BuildToolVersion {
|
|
u32 tool;
|
|
u32 version;
|
|
};
|
|
|
|
struct BuildVersionCommand {
|
|
u32 cmd;
|
|
u32 cmdsize;
|
|
u32 platform;
|
|
u32 minos;
|
|
u32 sdk;
|
|
u32 ntools;
|
|
};
|
|
|
|
struct EntryPointCommand {
|
|
u32 cmd;
|
|
u32 cmdsize;
|
|
u64 entryoff;
|
|
u64 stacksize;
|
|
};
|
|
|
|
struct SourceVersionCommand {
|
|
u32 cmd;
|
|
u32 cmdsize;
|
|
u64 version;
|
|
};
|
|
|
|
struct DataInCodeEntry {
|
|
u32 offset;
|
|
u32 length;
|
|
u16 kind;
|
|
};
|
|
|
|
// This struct is named `n_list` on BSD and macOS.
|
|
struct MachSym {
|
|
u32 stroff;
|
|
u8 ext : 1;
|
|
u8 type : 3;
|
|
u8 pext : 1;
|
|
u8 stub : 3;
|
|
u8 sect;
|
|
u16 desc;
|
|
u64 value;
|
|
};
|
|
|
|
// This struct is named `relocation_info` on BSD and macOS.
|
|
struct MachRel {
|
|
i32 offset;
|
|
u32 idx : 24;
|
|
u32 is_pcrel : 1;
|
|
u32 length : 2;
|
|
u32 is_extern : 1;
|
|
u32 type : 4;
|
|
};
|
|
|
|
} // namespace mold::macho
|