176 lines
4.3 KiB
C#
176 lines
4.3 KiB
C#
/*
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Copyright 2017-2020 Katy Coe - http://www.djkaty.com - https://github.com/djkaty
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All rights reserved.
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*/
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using System;
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using NoisyCowStudios.Bin2Object;
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namespace Il2CppInspector
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{
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#pragma warning disable CS0649
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// Structures and enums: https://opensource.apple.com/source/cctools/cctools-870/include/mach-o/loader.h
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public enum MachO : uint
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{
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MH_MAGIC = 0xfeedface,
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MH_CIGAM = 0xcefaedfe,
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MH_MAGIC_64 = 0xfeedfacf,
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MH_CIGAM_64 = 0xcffaedfe,
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MH_MIN_FILETYPE = 0x1,
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MH_MAX_FILETYPE = 0xB,
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LC_SEGMENT = 0x1,
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LC_SYMTAB = 0x2,
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LC_DYSYMTAB = 0xb,
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LC_SEGMENT_64 = 0x19,
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LC_ENCRYPTION_INFO = 0x21,
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LC_DYLD_INFO = 0x22,
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LC_DYLD_INFO_ONLY = 0x80000022,
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LC_FUNCTION_STARTS = 0x26,
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LC_ENCRYPTION_INFO_64 = 0x2C,
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CPU_TYPE_X86 = 7,
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CPU_TYPE_X86_64 = 0x01000000 + CPU_TYPE_X86,
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CPU_TYPE_ARM = 12,
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CPU_TYPE_ARM64 = 0x01000000 + CPU_TYPE_ARM,
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}
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[Flags]
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public enum MachO_NType : byte
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{
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// n_type masks
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N_STAB = 0xe0,
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N_PEXT = 0x10,
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N_TYPE = 0x0e,
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N_EXT = 0x01,
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// n_stab bits
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N_UNDF = 0x00,
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N_ABS = 0x02,
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N_SECT = 0x0e,
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N_PBUD = 0x0c,
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N_INDR = 0x0a,
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// n_type bits when N_STAB has some bits set
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N_GSYM = 0x20,
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N_FNAME = 0x22,
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N_FUN = 0x24,
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N_STSYM = 0x26,
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N_BNSYM = 0x2E,
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N_ENSYM = 0x4E,
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N_SO = 0x64,
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N_OSO = 0x66,
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}
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internal class MachOHeader<TWord> where TWord : struct
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{
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public uint Magic;
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public uint CPUType;
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public uint CPUSubType;
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public uint FileType;
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public uint NumCommands;
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public uint SizeOfCommands;
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public TWord Flags;
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}
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internal class MachOLoadCommand
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{
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public uint Command;
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public uint Size;
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}
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internal class MachOSegmentCommand<TWord> where TWord : struct
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{
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// MachOLoadCommand
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[String(FixedSize = 16)]
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public string Name;
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public TWord VirtualAddress;
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public TWord VirtualSize;
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public TWord ImageOffset;
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public TWord ImageSize;
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public uint VMMaxProt;
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public uint VMInitProt;
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public uint NumSections;
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public uint Flags;
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}
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internal class MachOSection<TWord> where TWord : struct
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{
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[String(FixedSize = 16)]
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public string Name;
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[String(FixedSize = 16)]
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public string SegmentName;
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public TWord Address;
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public TWord Size;
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public uint ImageOffset;
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public uint Align;
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public uint ImageRelocOffset;
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public int NumRelocEntries;
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public uint Flags;
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public uint Reserved1;
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public TWord Reserved2;
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}
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internal class MachOLinkEditDataCommand
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{
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// MachOLoadCommand
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public uint Offset;
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public uint Size;
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}
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internal class MachODyldInfoCommand
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{
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public uint RebaseOffset;
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public uint RebaseSize;
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public uint BindOffset;
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public uint BindSize;
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public uint WeakBindOffset;
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public uint WeakBindSize;
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public uint LazyBindOffset;
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public uint LazyBindSize;
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public uint ExportOffset;
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public uint ExportSize;
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}
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internal class MachOSymtabCommand
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{
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public uint SymOffset;
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public uint NumSyms;
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public uint StrOffset;
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public uint StrSize;
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}
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internal class MachOEncryptionInfo
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{
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// MachOLoadCommand
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public uint CryptOffset;
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public uint CryptSize;
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public uint CryptID;
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}
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internal class MachO_nlist<TWord> where TWord : struct
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{
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public MachO_NType n_type => (MachO_NType) f_n_type;
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public uint n_strx;
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public byte f_n_type;
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public byte n_sect;
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public ushort n_desc;
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public TWord n_value;
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}
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internal class MachO_relocation_info
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{
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public int r_address;
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public uint r_data;
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public uint r_symbolnum => r_data & 0x00ffffff;
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public bool r_pcrel => ((r_data >> 24) & 1) == 1;
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public uint r_length => (r_data >> 25) & 3;
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public bool r_extern => ((r_data >> 27) & 1) == 1;
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public uint r_type => r_data >> 28;
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}
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}
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