mach0_defines.h

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// SPDX-FileCopyrightText: 2003-2010 University of Illinois at Urbana-Champaign.
// SPDX-License-Identifier: NCSA
 
//===-- llvm/Support/MachO.h - The MachO file format ------------*- C -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// University of Illinois/NCSA
// Open Source License
//
// Copyright (c) 2003-2010 University of Illinois at Urbana-Champaign.
// All rights reserved.
//
// Developed by:
//
//    LLVM Team
//
//    University of Illinois at Urbana-Champaign
//
//    http://llvm.org
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal with the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimers.  Redistributions in binary
// form must reproduce the above copyright notice, this list of conditions and
// the following disclaimers in the documentation and/or other materials
// provided with the distribution. Neither the names of LLVM Team, Universitys
// of Illinois at Urbana-Champaign, nor the names of its contributors may be
// used to endorse or promote products derived from this Software without
// specific prior written permission.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// WITH THE SOFTWARE.
//
//===----------------------------------------------------------------------===//
//
// This file defines manifest constants for the MachO object file format.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_SUPPORT_MACHO_H
#define LLVM_SUPPORT_MACHO_H
 
#include <stdint.h>
 
// Enums from <mach-o/loader.h>
enum {
    // Constants for the "magic" field in llvm::MachO::mach_header and
    // llvm::MachO::mach_header_64
    MH_MAGIC = 0xFEEDFACEu,
    MH_CIGAM = 0xCEFAEDFEu,
    MH_MAGIC_64 = 0xFEEDFACFu,
    MH_CIGAM_64 = 0xCFFAEDFEu,
    FAT_MAGIC = 0xCAFEBABEu,
    FAT_CIGAM = 0xBEBAFECAu
};
 
enum HeaderFileType {
    // Constants for the "filetype" field in llvm::MachO::mach_header and
    // llvm::MachO::mach_header_64
    MH_OBJECT = 0x1u,
    MH_EXECUTE = 0x2u,
    MH_FVMLIB = 0x3u,
    MH_CORE = 0x4u,
    MH_PRELOAD = 0x5u,
    MH_DYLIB = 0x6u,
    MH_DYLINKER = 0x7u,
    MH_BUNDLE = 0x8u,
    MH_DYLIB_STUB = 0x9u,
    MH_DSYM = 0xAu,
    MH_KEXT_BUNDLE = 0xBu,
    MH_FILESET = 0xCu
};
 
enum {
    // Constant bits for the "flags" field in llvm::MachO::mach_header and
    // llvm::MachO::mach_header_64
    MH_NOUNDEFS = 0x00000001u,
    MH_INCRLINK = 0x00000002u,
    MH_DYLDLINK = 0x00000004u,
    MH_BINDATLOAD = 0x00000008u,
    MH_PREBOUND = 0x00000010u,
    MH_SPLIT_SEGS = 0x00000020u,
    MH_LAZY_INIT = 0x00000040u,
    MH_TWOLEVEL = 0x00000080u,
    MH_FORCE_FLAT = 0x00000100u,
    MH_NOMULTIDEFS = 0x00000200u,
    MH_NOFIXPREBINDING = 0x00000400u,
    MH_PREBINDABLE = 0x00000800u,
    MH_ALLMODSBOUND = 0x00001000u,
    MH_SUBSECTIONS_VIA_SYMBOLS = 0x00002000u,
    MH_CANONICAL = 0x00004000u,
    MH_WEAK_DEFINES = 0x00008000u,
    MH_BINDS_TO_WEAK = 0x00010000u,
    MH_ALLOW_STACK_EXECUTION = 0x00020000u,
    MH_ROOT_SAFE = 0x00040000u,
    MH_SETUID_SAFE = 0x00080000u,
    MH_NO_REEXPORTED_DYLIBS = 0x00100000u,
    MH_PIE = 0x00200000u,
    MH_DEAD_STRIPPABLE_DYLIB = 0x00400000u,
    MH_HAS_TLV_DESCRIPTORS = 0x00800000u,
    MH_NO_HEAP_EXECUTION = 0x01000000u,
    MH_APP_EXTENSION_SAFE = 0x02000000u
};
 
enum {
    // Flags for the "cmd" field in llvm::MachO::load_command
    LC_REQ_DYLD = 0x80000000u
};
 
enum LoadCommandType {
    // Constants for the "cmd" field in llvm::MachO::load_command
    LC_SEGMENT = 0x00000001u,
    LC_SYMTAB = 0x00000002u,
    LC_SYMSEG = 0x00000003u,
    LC_THREAD = 0x00000004u,
    LC_UNIXTHREAD = 0x00000005u,
    LC_LOADFVMLIB = 0x00000006u,
    LC_IDFVMLIB = 0x00000007u,
    LC_IDENT = 0x00000008u,
    LC_FVMFILE = 0x00000009u,
    LC_PREPAGE = 0x0000000Au,
    LC_DYSYMTAB = 0x0000000Bu,
    LC_LOAD_DYLIB = 0x0000000Cu,
    LC_ID_DYLIB = 0x0000000Du,
    LC_LOAD_DYLINKER = 0x0000000Eu,
    LC_ID_DYLINKER = 0x0000000Fu,
    LC_PREBOUND_DYLIB = 0x00000010u,
    LC_ROUTINES = 0x00000011u,
    LC_SUB_FRAMEWORK = 0x00000012u,
    LC_SUB_UMBRELLA = 0x00000013u,
    LC_SUB_CLIENT = 0x00000014u,
    LC_SUB_LIBRARY = 0x00000015u,
    LC_TWOLEVEL_HINTS = 0x00000016u,
    LC_PREBIND_CKSUM = 0x00000017u,
    LC_LOAD_WEAK_DYLIB = 0x80000018u,
    LC_SEGMENT_64 = 0x00000019u,
    LC_ROUTINES_64 = 0x0000001Au,
    LC_UUID = 0x0000001Bu,
    LC_RPATH = 0x8000001Cu,
    LC_CODE_SIGNATURE = 0x0000001Du,
    LC_SEGMENT_SPLIT_INFO = 0x0000001Eu,
    LC_REEXPORT_DYLIB = 0x8000001Fu,
    LC_LAZY_LOAD_DYLIB = 0x00000020u,
    LC_ENCRYPTION_INFO = 0x00000021u,
    LC_DYLD_INFO = 0x00000022u,
    LC_DYLD_INFO_ONLY = 0x80000022u,
    LC_LOAD_UPWARD_DYLIB = 0x80000023u,
    LC_VERSION_MIN_MACOSX = 0x00000024u,
    LC_VERSION_MIN_IPHONEOS = 0x00000025u,
    LC_FUNCTION_STARTS = 0x00000026u,
    LC_DYLD_ENVIRONMENT = 0x00000027u,
    LC_MAIN = 0x80000028u,
    LC_DATA_IN_CODE = 0x00000029u,
    LC_SOURCE_VERSION = 0x0000002Au,
    LC_DYLIB_CODE_SIGN_DRS = 0x0000002Bu,
    LC_ENCRYPTION_INFO_64 = 0x0000002Cu,
    LC_LINKER_OPTION = 0x0000002Du,
    LC_LINKER_OPTIMIZATION_HINT = 0x0000002Eu,
    LC_VERSION_MIN_TVOS = 0x0000002Fu,
    LC_VERSION_MIN_WATCHOS = 0x00000030u,
    LC_NOTE = 0x00000031u,
    LC_BUILD_VERSION = 0x00000032u,
    LC_DYLD_EXPORTS_TRIE = 0x80000033u,
    LC_DYLD_CHAINED_FIXUPS = 0x80000034u,
    LC_KEXT = 0x80000035u, /* TODO: get the right name */
    /*
Load command 9
       cmd LC_BUILD_VERSION
   cmdsize 32
  platform macos
       sdk 10.14
     minos 10.14
    ntools 1
      tool ld
   version 409.11
*/
};
 
enum {
    // Constant bits for the "flags" field in llvm::MachO::segment_command
    SG_HIGHVM = 0x1u,
    SG_FVMLIB = 0x2u,
    SG_NORELOC = 0x4u,
    SG_PROTECTED_VERSION_1 = 0x8u,
 
    // Constant masks for the "flags" field in llvm::MachO::section and
    // llvm::MachO::section_64
    SECTION_TYPE = 0x000000ffu, // SECTION_TYPE
    SECTION_ATTRIBUTES = 0xffffff00u, // SECTION_ATTRIBUTES
    SECTION_ATTRIBUTES_USR = 0xff000000u, // SECTION_ATTRIBUTES_USR
    SECTION_ATTRIBUTES_SYS = 0x00ffff00u // SECTION_ATTRIBUTES_SYS
};
 
enum SectionType {
    // Constant masks for the "flags[7:0]" field in llvm::MachO::section and
    // llvm::MachO::section_64 (mask "flags" with SECTION_TYPE)
 
    S_REGULAR = 0x00u,
    S_ZEROFILL = 0x01u,
    S_CSTRING_LITERALS = 0x02u,
    S_4BYTE_LITERALS = 0x03u,
    S_8BYTE_LITERALS = 0x04u,
    S_LITERAL_POINTERS = 0x05u,
    S_NON_LAZY_SYMBOL_POINTERS = 0x06u,
    S_LAZY_SYMBOL_POINTERS = 0x07u,
    S_SYMBOL_STUBS = 0x08u,
    S_MOD_INIT_FUNC_POINTERS = 0x09u,
    S_MOD_TERM_FUNC_POINTERS = 0x0au,
    S_COALESCED = 0x0bu,
    S_GB_ZEROFILL = 0x0cu,
    S_INTERPOSING = 0x0du,
    S_16BYTE_LITERALS = 0x0eu,
    S_DTRACE_DOF = 0x0fu,
    S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10u,
    S_THREAD_LOCAL_REGULAR = 0x11u,
    S_THREAD_LOCAL_ZEROFILL = 0x12u,
    S_THREAD_LOCAL_VARIABLES = 0x13u,
    S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14u,
    S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u,
 
    LAST_KNOWN_SECTION_TYPE = S_THREAD_LOCAL_INIT_FUNCTION_POINTERS
};
 
enum {
    // Constant masks for the "flags[31:24]" field in llvm::MachO::section and
    // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_USR)
 
    S_ATTR_PURE_INSTRUCTIONS = 0x80000000u,
    S_ATTR_NO_TOC = 0x40000000u,
    S_ATTR_STRIP_STATIC_SYMS = 0x20000000u,
    S_ATTR_NO_DEAD_STRIP = 0x10000000u,
    S_ATTR_LIVE_SUPPORT = 0x08000000u,
    S_ATTR_SELF_MODIFYING_CODE = 0x04000000u,
    S_ATTR_DEBUG = 0x02000000u,
 
    // Constant masks for the "flags[23:8]" field in llvm::MachO::section and
    // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_SYS)
 
    S_ATTR_SOME_INSTRUCTIONS = 0x00000400u,
    S_ATTR_EXT_RELOC = 0x00000200u,
    S_ATTR_LOC_RELOC = 0x00000100u,
 
    // Constant masks for the value of an indirect symbol in an indirect
    // symbol table
    INDIRECT_SYMBOL_LOCAL = 0x80000000u,
    INDIRECT_SYMBOL_ABS = 0x40000000u
};
 
enum DataRegionType {
    // Constants for the "kind" field in a data_in_code_entry structure
    DICE_KIND_DATA = 1u,
    DICE_KIND_JUMP_TABLE8 = 2u,
    DICE_KIND_JUMP_TABLE16 = 3u,
    DICE_KIND_JUMP_TABLE32 = 4u,
    DICE_KIND_ABS_JUMP_TABLE32 = 5u
};
 
enum RebaseType {
    REBASE_TYPE_POINTER = 1u,
    REBASE_TYPE_TEXT_ABSOLUTE32 = 2u,
    REBASE_TYPE_TEXT_PCREL32 = 3u
};
 
enum {
    REBASE_OPCODE_MASK = 0xF0u,
    REBASE_IMMEDIATE_MASK = 0x0Fu
};
 
enum RebaseOpcode {
    REBASE_OPCODE_DONE = 0x00u,
    REBASE_OPCODE_SET_TYPE_IMM = 0x10u,
    REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x20u,
    REBASE_OPCODE_ADD_ADDR_ULEB = 0x30u,
    REBASE_OPCODE_ADD_ADDR_IMM_SCALED = 0x40u,
    REBASE_OPCODE_DO_REBASE_IMM_TIMES = 0x50u,
    REBASE_OPCODE_DO_REBASE_ULEB_TIMES = 0x60u,
    REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB = 0x70u,
    REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB = 0x80u
};
 
enum BindType {
    BIND_TYPE_POINTER = 1u,
    BIND_TYPE_TEXT_ABSOLUTE32 = 2u,
    BIND_TYPE_TEXT_PCREL32 = 3u
};
 
enum BindSpecialDylib {
    BIND_SPECIAL_DYLIB_SELF = 0,
    BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1,
    BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2
};
 
enum {
    BIND_SYMBOL_FLAGS_WEAK_IMPORT = 0x1u,
    BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION = 0x8u,
 
    BIND_OPCODE_MASK = 0xF0u,
    BIND_IMMEDIATE_MASK = 0x0Fu
};
 
enum BindOpcode {
    BIND_OPCODE_DONE = 0x00u,
    BIND_OPCODE_SET_DYLIB_ORDINAL_IMM = 0x10u,
    BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB = 0x20u,
    BIND_OPCODE_SET_DYLIB_SPECIAL_IMM = 0x30u,
    BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM = 0x40u,
    BIND_OPCODE_SET_TYPE_IMM = 0x50u,
    BIND_OPCODE_SET_ADDEND_SLEB = 0x60u,
    BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x70u,
    BIND_OPCODE_ADD_ADDR_ULEB = 0x80u,
    BIND_OPCODE_DO_BIND = 0x90u,
    BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB = 0xA0u,
    BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED = 0xB0u,
    BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB = 0xC0u,
    BIND_OPCODE_THREADED = 0xD0u
};
 
enum BindSubOpcode {
    BIND_SUBOPCODE_THREADED_SET_BIND_ORDINAL_TABLE_SIZE_ULEB = 0x00,
    BIND_SUBOPCODE_THREADED_APPLY = 0x01,
};
 
enum {
    EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03u,
    EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04u,
    EXPORT_SYMBOL_FLAGS_REEXPORT = 0x08u,
    EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10u
};
 
enum ExportSymbolKind {
    EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00u,
    EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01u,
    EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE = 0x02u
};
 
enum {
    // Constant masks for the "n_type" field in llvm::MachO::nlist and
    // llvm::MachO::nlist_64
    N_STAB = 0xe0,
    N_PEXT = 0x10,
    N_TYPE = 0x0e,
    N_EXT = 0x01
};
 
enum NListType {
    // Constants for the "n_type & N_TYPE" llvm::MachO::nlist and
    // llvm::MachO::nlist_64
    N_UNDF = 0x0u,
    N_ABS = 0x2u,
    N_SECT = 0xeu,
    N_PBUD = 0xcu,
    N_INDR = 0xau
};
 
enum SectionOrdinal {
    // Constants for the "n_sect" field in llvm::MachO::nlist and
    // llvm::MachO::nlist_64
    NO_SECT = 0u,
    MAX_SECT = 0xffu
};
 
enum {
    // Constant masks for the "n_desc" field in llvm::MachO::nlist and
    // llvm::MachO::nlist_64
    // The low 3 bits are the for the REFERENCE_TYPE.
    REFERENCE_TYPE = 0x7,
    REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0,
    REFERENCE_FLAG_UNDEFINED_LAZY = 1,
    REFERENCE_FLAG_DEFINED = 2,
    REFERENCE_FLAG_PRIVATE_DEFINED = 3,
    REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4,
    REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5,
    // Flag bits (some overlap with the library ordinal bits).
    N_ARM_THUMB_DEF = 0x0008u,
    REFERENCED_DYNAMICALLY = 0x0010u,
    N_NO_DEAD_STRIP = 0x0020u,
    N_WEAK_REF = 0x0040u,
    N_WEAK_DEF = 0x0080u,
    N_SYMBOL_RESOLVER = 0x0100u,
    N_ALT_ENTRY = 0x0200u,
    // For undefined symbols coming from libraries, see GET_LIBRARY_ORDINAL()
    // as these are in the top 8 bits.
    SELF_LIBRARY_ORDINAL = 0x0,
    MAX_LIBRARY_ORDINAL = 0xfd,
    DYNAMIC_LOOKUP_ORDINAL = 0xfe,
    EXECUTABLE_ORDINAL = 0xff
};
 
enum StabType {
    // Constant values for the "n_type" field in llvm::MachO::nlist and
    // llvm::MachO::nlist_64 when "(n_type & N_STAB) != 0"
    N_GSYM = 0x20u,
    N_FNAME = 0x22u,
    N_FUN = 0x24u,
    N_STSYM = 0x26u,
    N_LCSYM = 0x28u,
    N_BNSYM = 0x2Eu,
    N_PC = 0x30u,
    N_AST = 0x32u,
    N_OPT = 0x3Cu,
    N_RSYM = 0x40u,
    N_SLINE = 0x44u,
    N_ENSYM = 0x4Eu,
    N_SSYM = 0x60u,
    N_SO = 0x64u,
    N_OSO = 0x66u,
    N_LSYM = 0x80u,
    N_BINCL = 0x82u,
    N_SOL = 0x84u,
    N_PARAMS = 0x86u,
    N_VERSION = 0x88u,
    N_OLEVEL = 0x8Au,
    N_PSYM = 0xA0u,
    N_EINCL = 0xA2u,
    N_ENTRY = 0xA4u,
    N_LBRAC = 0xC0u,
    N_EXCL = 0xC2u,
    N_RBRAC = 0xE0u,
    N_BCOMM = 0xE2u,
    N_ECOMM = 0xE4u,
    N_ECOML = 0xE8u,
    N_LENG = 0xFEu
};
 
enum {
    // Constant values for the r_symbolnum field in an
    // llvm::MachO::relocation_info structure when r_extern is 0.
    RZ_ABS = 0,
 
    // Constant bits for the r_address field in an
    // llvm::MachO::relocation_info structure.
    RZ_SCATTERED = 0x80000000
};
 
enum RelocationInfoType {
    // Constant values for the r_type field in an
    // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
    // structure.
    GENERIC_RELOC_VANILLA = 0,
    GENERIC_RELOC_PAIR = 1,
    GENERIC_RELOC_SECTDIFF = 2,
    GENERIC_RELOC_PB_LA_PTR = 3,
    GENERIC_RELOC_LOCAL_SECTDIFF = 4,
    GENERIC_RELOC_TLV = 5,
 
    // Constant values for the r_type field in a PowerPC architecture
    // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
    // structure.
    PPC_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
    PPC_RELOC_PAIR = GENERIC_RELOC_PAIR,
    PPC_RELOC_BR14 = 2,
    PPC_RELOC_BR24 = 3,
    PPC_RELOC_HI16 = 4,
    PPC_RELOC_LO16 = 5,
    PPC_RELOC_HA16 = 6,
    PPC_RELOC_LO14 = 7,
    PPC_RELOC_SECTDIFF = 8,
    PPC_RELOC_PB_LA_PTR = 9,
    PPC_RELOC_HI16_SECTDIFF = 10,
    PPC_RELOC_LO16_SECTDIFF = 11,
    PPC_RELOC_HA16_SECTDIFF = 12,
    PPC_RELOC_JBSR = 13,
    PPC_RELOC_LO14_SECTDIFF = 14,
    PPC_RELOC_LOCAL_SECTDIFF = 15,
 
    // Constant values for the r_type field in an ARM architecture
    // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
    // structure.
    ARM_RELOC_VANILLA = GENERIC_RELOC_VANILLA,
    ARM_RELOC_PAIR = GENERIC_RELOC_PAIR,
    ARM_RELOC_SECTDIFF = GENERIC_RELOC_SECTDIFF,
    ARM_RELOC_LOCAL_SECTDIFF = 3,
    ARM_RELOC_PB_LA_PTR = 4,
    ARM_RELOC_BR24 = 5,
    ARM_THUMB_RELOC_BR22 = 6,
    ARM_THUMB_32BIT_BRANCH = 7, // obsolete
    ARM_RELOC_HALF = 8,
    ARM_RELOC_HALF_SECTDIFF = 9,
 
    // Constant values for the r_type field in an ARM64 architecture
    // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
    // structure.
 
    // For pointers.
    ARM64_RELOC_UNSIGNED = 0,
    // Must be followed by an ARM64_RELOC_UNSIGNED
    ARM64_RELOC_SUBTRACTOR = 1,
    // A B/BL instruction with 26-bit displacement.
    ARM64_RELOC_BRANCH26 = 2,
    // PC-rel distance to page of target.
    ARM64_RELOC_PAGE21 = 3,
    // Offset within page, scaled by r_length.
    ARM64_RELOC_PAGEOFF12 = 4,
    // PC-rel distance to page of GOT slot.
    ARM64_RELOC_GOT_LOAD_PAGE21 = 5,
    // Offset within page of GOT slot, scaled by r_length.
    ARM64_RELOC_GOT_LOAD_PAGEOFF12 = 6,
    // For pointers to GOT slots.
    ARM64_RELOC_POINTER_TO_GOT = 7,
    // PC-rel distance to page of TLVP slot.
    ARM64_RELOC_TLVP_LOAD_PAGE21 = 8,
    // Offset within page of TLVP slot, scaled by r_length.
    ARM64_RELOC_TLVP_LOAD_PAGEOFF12 = 9,
    // Must be followed by ARM64_RELOC_PAGE21 or ARM64_RELOC_PAGEOFF12.
    ARM64_RELOC_ADDEND = 10,
 
    // Constant values for the r_type field in an x86_64 architecture
    // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
    // structure
    X86_64_RELOC_UNSIGNED = 0,
    X86_64_RELOC_SIGNED = 1,
    X86_64_RELOC_BRANCH = 2,
    X86_64_RELOC_GOT_LOAD = 3,
    X86_64_RELOC_GOT = 4,
    X86_64_RELOC_SUBTRACTOR = 5,
    X86_64_RELOC_SIGNED_1 = 6,
    X86_64_RELOC_SIGNED_2 = 7,
    X86_64_RELOC_SIGNED_4 = 8,
    X86_64_RELOC_TLV = 9
};
 
// Values for segment_command.initprot.
// From <mach/vm_prot.h>
enum {
    VM_PROT_READ = 0x1,
    VM_PROT_WRITE = 0x2,
    VM_PROT_EXECUTE = 0x4
};
 
// Structs from <mach-o/loader.h>
 
struct mach_header {
    uint32_t magic;
    uint32_t cputype;
    uint32_t cpusubtype;
    uint32_t filetype;
    uint32_t ncmds;
    uint32_t sizeofcmds;
    uint32_t flags;
};
 
struct mach_header_64 {
    uint32_t magic;
    uint32_t cputype;
    uint32_t cpusubtype;
    uint32_t filetype;
    uint32_t ncmds;
    uint32_t sizeofcmds;
    uint32_t flags;
    uint32_t reserved;
};
 
struct load_command {
    uint32_t cmd;
    uint32_t cmdsize;
};
 
struct segment_command {
    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;
};
 
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;
};
 
struct section {
    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;
    uint32_t reserved1;
    uint32_t reserved2;
};
 
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;
    uint32_t reserved1;
    uint32_t reserved2;
    uint32_t reserved3;
};
 
struct fvmlib {
    uint32_t name;
    uint32_t minor_version;
    uint32_t header_addr;
};
 
struct fvmlib_command {
    uint32_t cmd;
    uint32_t cmdsize;
    struct fvmlib fvmlib;
};
 
struct dylib {
    uint32_t name;
    uint32_t timestamp;
    uint32_t current_version;
    uint32_t compatibility_version;
};
 
struct dylib_command {
    uint32_t cmd;
    uint32_t cmdsize;
    struct dylib dylib;
};
 
struct sub_framework_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t umbrella;
};
 
struct sub_client_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t client;
};
 
struct sub_umbrella_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t sub_umbrella;
};
 
struct sub_library_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t sub_library;
};
 
struct prebound_dylib_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t name;
    uint32_t nmodules;
    uint32_t linked_modules;
};
 
struct dylinker_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t name;
};
 
struct thread_command {
    uint32_t cmd;
    uint32_t cmdsize;
};
 
struct routines_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t init_address;
    uint32_t init_module;
    uint32_t reserved1;
    uint32_t reserved2;
    uint32_t reserved3;
    uint32_t reserved4;
    uint32_t reserved5;
    uint32_t reserved6;
};
 
struct routines_command_64 {
    uint32_t cmd;
    uint32_t cmdsize;
    uint64_t init_address;
    uint64_t init_module;
    uint64_t reserved1;
    uint64_t reserved2;
    uint64_t reserved3;
    uint64_t reserved4;
    uint64_t reserved5;
    uint64_t reserved6;
};
 
struct symtab_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t symoff;
    uint32_t nsyms;
    uint32_t stroff;
    uint32_t strsize;
};
 
struct dysymtab_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t ilocalsym;
    uint32_t nlocalsym;
    uint32_t iextdefsym;
    uint32_t nextdefsym;
    uint32_t iundefsym;
    uint32_t nundefsym;
    uint32_t tocoff;
    uint32_t ntoc;
    uint32_t modtaboff;
    uint32_t nmodtab;
    uint32_t extrefsymoff;
    uint32_t nextrefsyms;
    uint32_t indirectsymoff;
    uint32_t nindirectsyms;
    uint32_t extreloff;
    uint32_t nextrel;
    uint32_t locreloff;
    uint32_t nlocrel;
};
 
struct dylib_table_of_contents {
    uint32_t symbol_index;
    uint32_t module_index;
};
 
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;
};
 
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;
};
 
struct dylib_reference {
    uint32_t isym : 24,
        flags : 8;
};
 
struct twolevel_hints_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t offset;
    uint32_t nhints;
};
 
struct twolevel_hint {
    uint32_t isub_image : 8,
        itoc : 24;
};
 
struct prebind_cksum_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t cksum;
};
 
struct uuid_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint8_t uuid[16];
};
 
struct rpath_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t path;
};
 
struct linkedit_data_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t dataoff;
    uint32_t datasize;
};
 
struct data_in_code_entry {
    uint32_t offset;
    uint16_t length;
    uint16_t kind;
};
 
struct source_version_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint64_t version;
};
 
struct encryption_info_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t cryptoff;
    uint32_t cryptsize;
    uint32_t cryptid;
};
 
struct encryption_info_command_64 {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t cryptoff;
    uint32_t cryptsize;
    uint32_t cryptid;
    uint32_t pad;
};
 
struct version_min_command {
    uint32_t cmd; // LC_VERSION_MIN_MACOSX or
    // LC_VERSION_MIN_IPHONEOS
    uint32_t cmdsize; // sizeof(struct version_min_command)
    uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz
    uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz
};
 
struct dyld_info_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t rebase_off;
    uint32_t rebase_size;
    uint32_t bind_off;
    uint32_t bind_size;
    uint32_t weak_bind_off;
    uint32_t weak_bind_size;
    uint32_t lazy_bind_off;
    uint32_t lazy_bind_size;
    uint32_t export_off;
    uint32_t export_size;
};
 
struct linker_option_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t count;
};
 
struct symseg_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t offset;
    uint32_t size;
};
 
struct ident_command {
    uint32_t cmd;
    uint32_t cmdsize;
};
 
struct fvmfile_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint32_t name;
    uint32_t header_addr;
};
 
struct tlv_descriptor_32 {
    uint32_t thunk;
    uint32_t key;
    uint32_t offset;
};
 
struct tlv_descriptor_64 {
    uint64_t thunk;
    uint64_t key;
    uint64_t offset;
};
 
struct tlv_descriptor {
    uintptr_t thunk;
    uintptr_t key;
    uintptr_t offset;
};
 
struct entry_point_command {
    uint32_t cmd;
    uint32_t cmdsize;
    uint64_t entryoff;
    uint64_t stacksize;
};
 
// Structs from <mach-o/fat.h>
struct fat_header {
    uint32_t magic;
    uint32_t nfat_arch;
};
 
struct fat_arch {
    uint32_t cputype;
    uint32_t cpusubtype;
    uint32_t offset;
    uint32_t size;
    uint32_t align;
};
 
// Structs from <mach-o/reloc.h>
struct relocation_info {
    int32_t r_address;
    uint32_t r_symbolnum : 24,
        r_pcrel : 1,
        r_length : 2,
        r_extern : 1,
        r_type : 4;
};
 
struct scattered_relocation_info {
#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && (BYTE_ORDER == BIG_ENDIAN)
    uint32_t r_scattered : 1,
        r_pcrel : 1,
        r_length : 2,
        r_type : 4,
        r_address : 24;
#else
    uint32_t r_address : 24,
        r_type : 4,
        r_length : 2,
        r_pcrel : 1,
        r_scattered : 1;
#endif
    int32_t r_value;
};
 
// Structs NOT from <mach-o/reloc.h>, but that make LLVM's life easier
struct any_relocation_info {
    uint32_t r_word0, r_word1;
};
 
// Structs from <mach-o/nlist.h>
struct nlist_base {
    uint32_t n_strx;
    uint8_t n_type;
    uint8_t n_sect;
    uint16_t n_desc;
};
 
struct nlist {
    uint32_t n_strx;
    uint8_t n_type;
    uint8_t n_sect;
    int16_t n_desc;
    uint32_t n_value;
};
 
struct nlist_64 {
    uint32_t n_strx;
    uint8_t n_type;
    uint8_t n_sect;
    uint16_t n_desc;
    uint64_t n_value;
};
 
// Get/Set functions from <mach-o/nlist.h>
 
static inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc) {
    return (((n_desc) >> 8u) & 0xffu);
}
 
static inline void SET_LIBRARY_ORDINAL(uint16_t *n_desc, uint8_t ordinal) {
    *n_desc = (((*n_desc) & 0x00ff) | (((ordinal)&0xff) << 8));
}
 
static inline uint8_t GET_COMM_ALIGN(uint16_t n_desc) {
    return (n_desc >> 8u) & 0x0fu;
}
 
static inline void SET_COMM_ALIGN(uint16_t *n_desc, uint8_t align) {
    *n_desc = ((*n_desc & 0xf0ffu) | ((align & 0x0fu) << 8u));
}
 
// Enums from <mach/machine.h>
enum {
    // Capability bits used in the definition of cpu_type.
    CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits
    CPU_ARCH_ABI64 = 0x01000000, // 64 bit ABI
    CPU_ARCH_ABI32 = 0x02000000 // Used for ARM64_32 (new Apple Watch)
};
 
// Constants for the cputype field.
enum CPUType {
    CPU_TYPE_ANY = -1,
    CPU_TYPE_VAX = 1,
    CPU_TYPE_MC680x0 = 6,
    CPU_TYPE_X86 = 7,
    CPU_TYPE_I386 = CPU_TYPE_X86,
    CPU_TYPE_X86_64 = CPU_TYPE_X86 | CPU_ARCH_ABI64,
    CPU_TYPE_MIPS = 8,
    CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC
    CPU_TYPE_HPPA = 11,
    CPU_TYPE_ARM = 12,
    CPU_TYPE_ARM64 = CPU_TYPE_ARM | CPU_ARCH_ABI64,
    CPU_TYPE_ARM64_32 = CPU_TYPE_ARM | CPU_ARCH_ABI32,
    CPU_TYPE_MC88000 = 13,
    CPU_TYPE_SPARC = 14,
    CPU_TYPE_I860 = 15,
    CPU_TYPE_POWERPC = 18,
    CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64
};
 
enum {
    // Capability bits used in the definition of cpusubtype.
    CPU_SUBTYPE_MASK = 0xff000000, // Mask for architecture bits
    CPU_SUBTYPE_LIB64 = 0x80000000, // 64 bit libraries
 
    // Special CPU subtype constants.
    CPU_SUBTYPE_MULTIPLE = ~0u
};
 
// Constants for the cpusubtype field.
enum CPUSubTypeX86 {
    CPU_SUBTYPE_I386_ALL = 3,
    CPU_SUBTYPE_386 = 3,
    CPU_SUBTYPE_486 = 4,
    CPU_SUBTYPE_486SX = 0x84,
    CPU_SUBTYPE_586 = 5,
    CPU_SUBTYPE_PENT = CPU_SUBTYPE_586,
    CPU_SUBTYPE_PENTPRO = 0x16,
    CPU_SUBTYPE_PENTII_M3 = 0x36,
    CPU_SUBTYPE_PENTII_M5 = 0x56,
    CPU_SUBTYPE_CELERON = 0x67,
    CPU_SUBTYPE_CELERON_MOBILE = 0x77,
    CPU_SUBTYPE_PENTIUM_3 = 0x08,
    CPU_SUBTYPE_PENTIUM_3_M = 0x18,
    CPU_SUBTYPE_PENTIUM_3_XEON = 0x28,
    CPU_SUBTYPE_PENTIUM_M = 0x09,
    CPU_SUBTYPE_PENTIUM_4 = 0x0a,
    CPU_SUBTYPE_PENTIUM_4_M = 0x1a,
    CPU_SUBTYPE_ITANIUM = 0x0b,
    CPU_SUBTYPE_ITANIUM_2 = 0x1b,
    CPU_SUBTYPE_XEON = 0x0c,
    CPU_SUBTYPE_XEON_MP = 0x1c,
 
    CPU_SUBTYPE_X86_ALL = 3,
    CPU_SUBTYPE_X86_64_ALL = 3,
    CPU_SUBTYPE_X86_ARCH1 = 4,
    CPU_SUBTYPE_X86_64_H = 8
};
static inline int CPU_SUBTYPE_INTEL(int Family, int Model) {
    return Family | (Model << 4);
}
static inline int CPU_SUBTYPE_INTEL_FAMILY(enum CPUSubTypeX86 ST) {
    return ((int)ST) & 0x0f;
}
static inline int CPU_SUBTYPE_INTEL_MODEL(enum CPUSubTypeX86 ST) {
    return ((int)ST) >> 4;
}
enum {
    CPU_SUBTYPE_INTEL_FAMILY_MAX = 15,
    CPU_SUBTYPE_INTEL_MODEL_ALL = 0
};
 
enum CPUSubTypeARM {
    CPU_SUBTYPE_ARM_ALL = 0,
    CPU_SUBTYPE_ARM_V4T = 5,
    CPU_SUBTYPE_ARM_V6 = 6,
    CPU_SUBTYPE_ARM_V5 = 7,
    CPU_SUBTYPE_ARM_V5TEJ = 7,
    CPU_SUBTYPE_ARM_XSCALE = 8,
    CPU_SUBTYPE_ARM_V7 = 9,
    CPU_SUBTYPE_ARM_V7F = 10,
    CPU_SUBTYPE_ARM_V7S = 11,
    CPU_SUBTYPE_ARM_V7K = 12,
    CPU_SUBTYPE_ARM_V6M = 14,
    CPU_SUBTYPE_ARM_V7M = 15,
    CPU_SUBTYPE_ARM_V7EM = 16
};
 
enum CPUSubTypeARM64 {
    CPU_SUBTYPE_ARM64_ALL = 0,
    CPU_SUBTYPE_ARM64_V8 = 1,
    CPU_SUBTYPE_ARM64E = 2
};
 
enum CPUSubTypeSPARC {
    CPU_SUBTYPE_SPARC_ALL = 0
};
 
enum CPUSubTypePowerPC {
    CPU_SUBTYPE_POWERPC_ALL = 0,
    CPU_SUBTYPE_POWERPC_601 = 1,
    CPU_SUBTYPE_POWERPC_602 = 2,
    CPU_SUBTYPE_POWERPC_603 = 3,
    CPU_SUBTYPE_POWERPC_603e = 4,
    CPU_SUBTYPE_POWERPC_603ev = 5,
    CPU_SUBTYPE_POWERPC_604 = 6,
    CPU_SUBTYPE_POWERPC_604e = 7,
    CPU_SUBTYPE_POWERPC_620 = 8,
    CPU_SUBTYPE_POWERPC_750 = 9,
    CPU_SUBTYPE_POWERPC_7400 = 10,
    CPU_SUBTYPE_POWERPC_7450 = 11,
    CPU_SUBTYPE_POWERPC_970 = 100,
 
    CPU_SUBTYPE_MC98000_ALL = CPU_SUBTYPE_POWERPC_ALL,
    CPU_SUBTYPE_MC98601 = CPU_SUBTYPE_POWERPC_601
};
 
enum CPUSubTypeVAX {
    CPU_SUBTYPE_VAX_ALL = 0,
    CPU_SUBTYPE_VAX780 = 1,
    CPU_SUBTYPE_VAX785 = 2,
    CPU_SUBTYPE_VAX750 = 3,
    CPU_SUBTYPE_VAX730 = 4,
    CPU_SUBTYPE_UVAXI = 5,
    CPU_SUBTYPE_UVAXII = 6,
    CPU_SUBTYPE_VAX8200 = 7,
    CPU_SUBTYPE_VAX8500 = 8,
    CPU_SUBTYPE_VAX8600 = 9,
    CPU_SUBTYPE_VAX8650 = 10,
    CPU_SUBTYPE_VAX8800 = 11,
    CPU_SUBTYPE_UVAXIII = 12
};
 
enum CPUSubTypeMIPS {
    CPU_SUBTYPE_MIPS_ALL = 0,
    CPU_SUBTYPE_MIPS_R2300 = 1,
    CPU_SUBTYPE_MIPS_R2600 = 2,
    CPU_SUBTYPE_MIPS_R2800 = 3,
    CPU_SUBTYPE_MIPS_R2000a = 4,
    CPU_SUBTYPE_MIPS_R2000 = 5,
    CPU_SUBTYPE_MIPS_R3000a = 6,
    CPU_SUBTYPE_MIPS_R3000 = 7
};
 
enum CPUSubTypeMC680x0 {
    CPU_SUBTYPE_MC680x0_ALL = 1,
    CPU_SUBTYPE_MC68030 = 1,
    CPU_SUBTYPE_MC68040 = 2,
    CPU_SUBTYPE_MC68030_ONLY = 3
};
 
enum CPUSubTypeMC88000 {
    CPU_SUBTYPE_MC88000_ALL = 0,
    CPU_SUBTYPE_MC88100 = 1,
    CPU_SUBTYPE_MC88110 = 2
};
 
enum CPUSubTypeHPPA {
    CPU_SUBTYPE_HPPA_ALL = 0,
    CPU_SUBTYPE_HPPA_7100 = 0,
    CPU_SUBTYPE_HPPA_7100LC = 1
};
 
enum CPUSubTypeI860 {
    CPU_SUBTYPE_I860_ALL = 0,
    CPU_SUBTYPE_I860_860 = 1
};
 
struct x86_thread_state64_t {
    uint64_t rax;
    uint64_t rbx;
    uint64_t rcx;
    uint64_t rdx;
    uint64_t rdi;
    uint64_t rsi;
    uint64_t rbp;
    uint64_t rsp;
    uint64_t r8;
    uint64_t r9;
    uint64_t r10;
    uint64_t r11;
    uint64_t r12;
    uint64_t r13;
    uint64_t r14;
    uint64_t r15;
    uint64_t rip;
    uint64_t rflags;
    uint64_t cs;
    uint64_t fs;
    uint64_t gs;
};
 
enum x86_fp_control_precis {
    x86_FP_PREC_24B = 0,
    x86_FP_PREC_53B = 2,
    x86_FP_PREC_64B = 3
};
 
enum x86_fp_control_rc {
    x86_FP_RND_NEAR = 0,
    x86_FP_RND_DOWN = 1,
    x86_FP_RND_UP = 2,
    x86_FP_CHOP = 3
};
 
struct fp_control_t {
    unsigned short
        invalid : 1,
        denorm : 1,
        zdiv : 1,
        ovrfl : 1,
        undfl : 1,
        precis : 1, : 2,
        pc : 2,
        rc : 2, : 1, : 3;
};
 
struct fp_status_t {
    unsigned short
        invalid : 1,
        denorm : 1,
        zdiv : 1,
        ovrfl : 1,
        undfl : 1,
        precis : 1,
        stkflt : 1,
        errsumm : 1,
        c0 : 1,
        c1 : 1,
        c2 : 1,
        tos : 3,
        c3 : 1,
        busy : 1;
};
 
struct mmst_reg_t {
    char mmst_reg[10];
    char mmst_rsrv[6];
};
 
struct xmm_reg_t {
    char xmm_reg[16];
};
 
struct x86_float_state64_t {
    int32_t fpu_reserved[2];
    struct fp_control_t fpu_fcw;
    struct fp_status_t fpu_fsw;
    uint8_t fpu_ftw;
    uint8_t fpu_rsrv1;
    uint16_t fpu_fop;
    uint32_t fpu_ip;
    uint16_t fpu_cs;
    uint16_t fpu_rsrv2;
    uint32_t fpu_dp;
    uint16_t fpu_ds;
    uint16_t fpu_rsrv3;
    uint32_t fpu_mxcsr;
    uint32_t fpu_mxcsrmask;
    struct mmst_reg_t fpu_stmm0;
    struct mmst_reg_t fpu_stmm1;
    struct mmst_reg_t fpu_stmm2;
    struct mmst_reg_t fpu_stmm3;
    struct mmst_reg_t fpu_stmm4;
    struct mmst_reg_t fpu_stmm5;
    struct mmst_reg_t fpu_stmm6;
    struct mmst_reg_t fpu_stmm7;
    struct xmm_reg_t fpu_xmm0;
    struct xmm_reg_t fpu_xmm1;
    struct xmm_reg_t fpu_xmm2;
    struct xmm_reg_t fpu_xmm3;
    struct xmm_reg_t fpu_xmm4;
    struct xmm_reg_t fpu_xmm5;
    struct xmm_reg_t fpu_xmm6;
    struct xmm_reg_t fpu_xmm7;
    struct xmm_reg_t fpu_xmm8;
    struct xmm_reg_t fpu_xmm9;
    struct xmm_reg_t fpu_xmm10;
    struct xmm_reg_t fpu_xmm11;
    struct xmm_reg_t fpu_xmm12;
    struct xmm_reg_t fpu_xmm13;
    struct xmm_reg_t fpu_xmm14;
    struct xmm_reg_t fpu_xmm15;
    char fpu_rsrv4[6 * 16];
    uint32_t fpu_reserved1;
};
 
struct x86_exception_state64_t {
    uint16_t trapno;
    uint16_t cpu;
    uint32_t err;
    uint64_t faultvaddr;
};
 
struct x86_state_hdr_t {
    uint32_t flavor;
    uint32_t count;
};
 
struct x86_thread_state_t {
    struct x86_state_hdr_t tsh;
    union {
        struct x86_thread_state64_t ts64;
    } uts;
};
 
struct x86_float_state_t {
    struct x86_state_hdr_t fsh;
    union {
        struct x86_float_state64_t fs64;
    } ufs;
};
 
struct x86_exception_state_t {
    struct x86_state_hdr_t esh;
    union {
        struct x86_exception_state64_t es64;
    } ues;
};
 
enum X86ThreadFlavors {
    x86_THREAD_STATE32 = 1,
    x86_FLOAT_STATE32 = 2,
    x86_EXCEPTION_STATE32 = 3,
    x86_THREAD_STATE64 = 4,
    x86_FLOAT_STATE64 = 5,
    x86_EXCEPTION_STATE64 = 6,
    x86_THREAD_STATE = 7,
    x86_FLOAT_STATE = 8,
    x86_EXCEPTION_STATE = 9,
    x86_DEBUG_STATE32 = 10,
    x86_DEBUG_STATE64 = 11,
    x86_DEBUG_STATE = 12
};
 
#define x86_THREAD_STATE64_COUNT \
    sizeof(struct x86_thread_state64_t) / sizeof(uint32_t);
#define x86_FLOAT_STATE64_COUNT \
    sizeof(struct x86_float_state64_t) / sizeof(uint32_t);
#define x86_EXCEPTION_STATE64_COUNT \
    sizeof(struct x86_exception_state64_t) / sizeof(uint32_t);
 
#define x86_THREAD_STATE_COUNT \
    sizeof(struct x86_thread_state_t) / sizeof(uint32_t);
#define x86_FLOAT_STATE_COUNT \
    sizeof(struct x86_float_state_t) / sizeof(uint32_t);
#define x86_EXCEPTION_STATE_COUNT \
    sizeof(struct x86_exception_state_t) / sizeof(uint32_t);
 
#define EXPORT_SYMBOL_FLAGS_KIND_MASK         0x03
#define EXPORT_SYMBOL_FLAGS_KIND_REGULAR      0x00
#define EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL 0x01
#define EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE     0x02
#define EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION   0x04
#define EXPORT_SYMBOL_FLAGS_REEXPORT          0x08
#define EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER 0x10
 
struct dyld_chained_fixups_header {
    uint32_t fixups_version;
    uint32_t starts_offset;
    uint32_t imports_offset;
    uint32_t symbols_offset;
    uint32_t imports_count;
    uint32_t imports_format;
    uint32_t symbols_format;
};
 
struct dyld_chained_starts_in_image {
    uint32_t seg_count;
};
 
struct dyld_chained_starts_in_segment {
    uint32_t size;
    uint16_t page_size;
    uint16_t pointer_format;
    uint64_t segment_offset;
    uint32_t max_valid_pointer;
    uint16_t page_count;
};
 
struct rz_dyld_chained_starts_in_segment {
    uint32_t size;
    uint16_t page_size;
    uint16_t pointer_format;
    uint64_t segment_offset;
    uint32_t max_valid_pointer;
    uint16_t page_count;
    ut16 *page_start;
};
 
enum {
    DYLD_CHAINED_PTR_START_NONE = 0xFFFF,
    DYLD_CHAINED_PTR_START_MULTI = 0x8000,
    DYLD_CHAINED_PTR_START_LAST = 0x8000,
};
 
enum {
    DYLD_CHAINED_PTR_ARM64E = 1,
    DYLD_CHAINED_PTR_64 = 2,
    DYLD_CHAINED_PTR_32 = 3,
    DYLD_CHAINED_PTR_32_CACHE = 4,
    DYLD_CHAINED_PTR_32_FIRMWARE = 5,
    DYLD_CHAINED_PTR_64_OFFSET = 6,
    DYLD_CHAINED_PTR_ARM64E_KERNEL = 7,
    DYLD_CHAINED_PTR_64_KERNEL_CACHE = 8,
    DYLD_CHAINED_PTR_ARM64E_USERLAND24 = 12,
};
 
struct dyld_chained_ptr_arm64e_rebase {
    uint64_t target : 43,
        high8 : 8,
        next : 11,
        bind : 1, // == 0
        auth : 1; // == 0
};
 
struct dyld_chained_ptr_arm64e_bind {
    uint64_t ordinal : 16,
        zero : 16,
        addend : 19,
        next : 11,
        bind : 1, // == 1
        auth : 1; // == 0
};
 
struct dyld_chained_ptr_arm64e_auth_rebase {
    uint64_t target : 32,
        diversity : 16,
        addrDiv : 1,
        key : 2,
        next : 11,
        bind : 1, // == 0
        auth : 1; // == 1
};
 
struct dyld_chained_ptr_arm64e_auth_bind {
    uint64_t ordinal : 16,
        zero : 16,
        diversity : 16,
        addrDiv : 1,
        key : 2,
        next : 11,
        bind : 1, // == 1
        auth : 1; // == 1
};
 
struct dyld_chained_ptr_64_rebase {
    uint64_t target : 36,
        high8 : 8,
        reserved : 7,
        next : 12,
        bind : 1; // == 0
};
 
struct dyld_chained_ptr_64_bind {
    uint64_t ordinal : 24,
        addend : 8,
        reserved : 19,
        next : 12,
        bind : 1; // == 1
};
 
/* WARNING: this is guesswork based on trial and error */
struct dyld_chained_ptr_arm64e_cache_rebase {
    uint64_t target : 43,
        high8 : 8,
        next : 12,
        auth : 1; // == 0
};
 
struct dyld_chained_ptr_arm64e_cache_auth_rebase {
    uint64_t target : 32,
        diversity : 16,
        addrDiv : 1,
        key : 2,
        next : 12,
        auth : 1; // == 1
};
 
struct dyld_chained_ptr_arm64e_bind24 {
    uint64_t ordinal : 24,
        zero : 8,
        addend : 19,
        next : 11,
        bind : 1, // == 1
        auth : 1; // == 0
};
 
struct dyld_chained_ptr_arm64e_auth_bind24 {
    uint64_t ordinal : 24,
        zero : 8,
        diversity : 16,
        addrDiv : 1,
        key : 2,
        next : 11,
        bind : 1, // == 1
        auth : 1; // == 1
};
 
#endif