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Unify symbol table format and implement for Elf and Mach-O

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This commit is contained in:
Katy Coe
2020-08-09 00:30:18 +02:00
parent e536a3b1eb
commit 00c2e8ad44
7 changed files with 127 additions and 21 deletions
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23
Il2CppInspector.Common/FileFormatReaders/FormatLayouts/Elf.cs
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@@ -46,6 +46,19 @@ namespace Il2CppInspector
// SHNs
SHN_UNDEF = 0,
// STTs
STT_NOTYPE = 0,
STT_OBJECT = 1,
STT_FUNC = 2,
STT_SECTION = 3,
STT_FILE = 4,
STT_COMMON = 5,
STT_LOOS = 10,
STT_HIOS = 12,
STT_LOPROC = 13,
STT_SPARC_REGISTER = 13,
STT_HIPROC = 15,
// dynamic sections
DT_STRTAB = 5,
DT_SYMTAB = 6,
@@ -192,6 +205,8 @@ namespace Il2CppInspector
uint st_name { get; }
TWord st_value { get; }
ushort st_shndx { get; }
Elf st_info { get; }
Elf type { get; }
}
internal class elf_32_sym : Ielf_sym<uint>
@@ -199,11 +214,13 @@ namespace Il2CppInspector
public uint st_name => f_st_name;
public uint st_value => f_st_value;
public ushort st_shndx => f_st_shndx;
public Elf st_info => (Elf) f_st_info;
public Elf type => (Elf) (f_st_info & 0xf);
public uint f_st_name;
public uint f_st_value;
public uint st_size;
public byte st_info;
public byte f_st_info;
public byte st_other;
public ushort f_st_shndx;
}
@@ -213,9 +230,11 @@ namespace Il2CppInspector
public uint st_name => f_st_name;
public ulong st_value => f_st_value;
public ushort st_shndx => f_st_shndx;
public Elf st_info => (Elf) f_st_info;
public Elf type => (Elf) (f_st_info & 0xf);
public uint f_st_name;
public byte st_info;
public byte f_st_info;
public byte st_other;
public ushort f_st_shndx;
public ulong f_st_value;

33
Il2CppInspector.Common/FileFormatReaders/FormatLayouts/MachO.cs
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@@ -4,6 +4,7 @@
All rights reserved.
*/
using System;
using NoisyCowStudios.Bin2Object;
namespace Il2CppInspector
@@ -33,7 +34,34 @@ namespace Il2CppInspector
CPU_TYPE_X86 = 7,
CPU_TYPE_X86_64 = 0x01000000 + CPU_TYPE_X86,
CPU_TYPE_ARM = 12,
CPU_TYPE_ARM64 = 0x01000000 + CPU_TYPE_ARM
CPU_TYPE_ARM64 = 0x01000000 + CPU_TYPE_ARM,
}
[Flags]
public enum MachO_NType : byte
{
// n_type masks
N_STAB = 0xe0,
N_PEXT = 0x10,
N_TYPE = 0x0e,
N_EXT = 0x01,
// n_stab bits
N_UNDF = 0x00,
N_ABS = 0x02,
N_SECT = 0x0e,
N_PBUD = 0x0c,
N_INDR = 0x0a,
// n_type bits when N_STAB has some bits set
N_GSYM = 0x20,
N_FNAME = 0x22,
N_FUN = 0x24,
N_STSYM = 0x26,
N_BNSYM = 0x2E,
N_ENSYM = 0x4E,
N_SO = 0x64,
N_OSO = 0x66,
}
internal class MachOHeader<TWord> where TWord : struct
@@ -124,8 +152,9 @@ namespace Il2CppInspector
internal class MachO_nlist<TWord> where TWord : struct
{
public MachO_NType n_type => (MachO_NType) f_n_type;
public uint n_strx;
public byte n_type;
public byte f_n_type;
public byte n_sect;
public ushort n_desc;
public TWord n_value;