mirror of
https://github.com/Perfare/Il2CppDumper.git
synced 2025-01-25 02:03:02 -03:00
添加Elf64 Plus模式支持
This commit is contained in:
Perfare
parent
1de56f63fc
commit
3919c7045f
9 changed files with 400 additions and 65 deletions
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@ -27,17 +27,17 @@ namespace Il2CppDumper
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else
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Search = Searchv21;
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elf_header = new Elf32_Ehdr();
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elf_header.m_dwFormat = ReadUInt32();
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elf_header.m_arch = ReadByte();
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if (elf_header.m_arch == 2)//64
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elf_header.ei_mag = ReadUInt32();
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elf_header.ei_class = ReadByte();
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if (elf_header.ei_class == 2)//64
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{
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throw new Exception("ERROR: 64 bit not supported.");
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}
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elf_header.m_endian = ReadByte();
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elf_header.m_version = ReadByte();
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elf_header.m_osabi = ReadByte();
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elf_header.m_osabi_ver = ReadByte();
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elf_header.e_pad = ReadBytes(7);
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elf_header.ei_data = ReadByte();
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elf_header.ei_version = ReadByte();
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elf_header.ei_osabi = ReadByte();
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elf_header.ei_abiversion = ReadByte();
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elf_header.ei_pad = ReadBytes(7);
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elf_header.e_type = ReadUInt16();
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elf_header.e_machine = ReadUInt16();
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if (elf_header.e_machine != 0x28 && elf_header.e_machine != 0x3)
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@ -342,7 +342,7 @@ namespace Il2CppDumper
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var position = Position;
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var dynamic_symbol = dynamic_symbol_table[index];
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writer.BaseStream.Position = offset;
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writer.Write(dynamic_symbol.sym_value);
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writer.Write(dynamic_symbol.st_value);
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Position = position;
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break;
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}
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@ -351,14 +351,14 @@ namespace Il2CppDumper
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{
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var position = Position;
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var dynamic_symbol = dynamic_symbol_table[index];
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var name = ReadStringToNull(symbol_name_block_off + dynamic_symbol.sym_name);
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var name = ReadStringToNull(symbol_name_block_off + dynamic_symbol.st_name);
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switch (name)
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{
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case "g_CodeRegistration":
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codeRegistration = dynamic_symbol.sym_value;
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codeRegistration = dynamic_symbol.st_value;
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break;
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case "g_MetadataRegistration":
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metadataRegistration = dynamic_symbol.sym_value;
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metadataRegistration = dynamic_symbol.st_value;
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break;
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}
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Position = position;
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@ -443,7 +443,7 @@ namespace Il2CppDumper
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}
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catch
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{
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// ignored
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}
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}
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}
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@ -488,7 +488,7 @@ namespace Il2CppDumper
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}
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catch
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{
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// ignored
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}
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}
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}
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282
Il2CppDumper/Elf64.cs
Normal file
282
Il2CppDumper/Elf64.cs
Normal file
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@ -0,0 +1,282 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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namespace Il2CppDumper
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{
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public sealed class Elf64 : Il2Cpp
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{
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private Elf64_Ehdr elf_header;
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private Elf64_Phdr[] program_table_element;
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private Dictionary<string, Elf64_Shdr> sectionWithName = new Dictionary<string, Elf64_Shdr>();
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private ulong codeRegistration;
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private ulong metadataRegistration;
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public Elf64(Stream stream, int version, long maxmetadataUsages) : base(stream)
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{
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this.version = version;
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this.maxmetadataUsages = maxmetadataUsages;
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Search = SearchObsolete;
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elf_header = new Elf64_Ehdr();
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elf_header.ei_mag = ReadUInt32();
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elf_header.ei_class = ReadByte();
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elf_header.ei_data = ReadByte();
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elf_header.ei_version = ReadByte();
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elf_header.ei_osabi = ReadByte();
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elf_header.ei_abiversion = ReadByte();
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elf_header.ei_pad = ReadBytes(7);
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elf_header.e_type = ReadUInt16();
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elf_header.e_machine = ReadUInt16();
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elf_header.e_version = ReadUInt32();
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elf_header.e_entry = ReadUInt64();
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elf_header.e_phoff = ReadUInt64();
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elf_header.e_shoff = ReadUInt64();
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elf_header.e_flags = ReadUInt32();
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elf_header.e_ehsize = ReadUInt16();
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elf_header.e_phentsize = ReadUInt16();
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elf_header.e_phnum = ReadUInt16();
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elf_header.e_shentsize = ReadUInt16();
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elf_header.e_shnum = ReadUInt16();
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elf_header.e_shtrndx = ReadUInt16();
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program_table_element = ReadClassArray<Elf64_Phdr>(elf_header.e_phoff, elf_header.e_phnum);
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GetSectionWithName();
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RelocationProcessing();
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}
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private void GetSectionWithName()
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{
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try
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{
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var section_name_off = elf_header.e_shoff + (ulong)elf_header.e_shentsize * elf_header.e_shtrndx;
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Position = section_name_off + 2 * 4 + 8 + 8;//2 * sizeof(Elf64_Word) + sizeof(Elf64_Xword) + sizeof(Elf64_Addr)
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var section_name_block_off = ReadUInt32();
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for (int i = 0; i < elf_header.e_shnum; i++)
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{
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var section = ReadClass<Elf64_Shdr>(elf_header.e_shoff + elf_header.e_shentsize * (ulong)i);
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sectionWithName.Add(ReadStringToNull(section_name_block_off + section.sh_name), section);
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}
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}
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catch
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{
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Console.WriteLine("ERROR: Unable to get section.");
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}
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}
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private void RelocationProcessing()
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{
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//TODO
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/*if (sectionWithName.ContainsKey(".dynsym") && sectionWithName.ContainsKey(".dynstr") && sectionWithName.ContainsKey(".rela.dyn"))
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{
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Console.WriteLine("Applying relocations...");
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var dynsym = sectionWithName[".dynsym"];
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var symbol_name_block_off = sectionWithName[".dynstr"].sh_offset;
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var rela_dyn = sectionWithName[".rela.dyn"];
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var dynamic_symbol_table = ReadClassArray<Elf64_Sym>(dynsym.sh_offset, (long)dynsym.sh_size / 24);
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var rel_dynend = rela_dyn.sh_offset + rela_dyn.sh_size;
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Position = rela_dyn.sh_offset;
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var writer = new BinaryWriter(BaseStream);
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while ((ulong)Position < rel_dynend)
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{
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//Elf64_Rela
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var r_offset = ReadUInt64();
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//r_info
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var type = ReadUInt32();
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var index = ReadUInt32();
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var r_addend = ReadUInt64();
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switch (type)
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{
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case 257: //R_AARCH64_ABS64
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//case 1027: //R_AARCH64_RELATIVE
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{
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var position = Position;
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var dynamic_symbol = dynamic_symbol_table[index];
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writer.BaseStream.Position = (long)r_offset;
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writer.Write(dynamic_symbol.st_value);
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Position = position;
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break;
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}
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case 1025: //R_AARCH64_GLOB_DAT
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{
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var position = Position;
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var dynamic_symbol = dynamic_symbol_table[index];
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var name = ReadStringToNull(symbol_name_block_off + dynamic_symbol.st_name);
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switch (name)
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{
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case "g_CodeRegistration":
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codeRegistration = dynamic_symbol.st_value;
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break;
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case "g_MetadataRegistration":
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metadataRegistration = dynamic_symbol.st_value;
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break;
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}
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Position = position;
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break;
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}
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}
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}
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}*/
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}
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public override dynamic MapVATR(dynamic uiAddr)
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{
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var program_header_table = program_table_element.First(x => uiAddr >= x.p_vaddr && uiAddr <= x.p_vaddr + x.p_memsz);
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return uiAddr - (program_header_table.p_vaddr - program_header_table.p_offset);
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}
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public override long GetFieldOffsetFromIndex(int typeIndex, int fieldIndexInType, int fieldIndex)
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{
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if (isNew21)
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{
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var ptr = fieldOffsets[typeIndex];
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if (ptr >= 0)
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{
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Position = MapVATR((ulong)ptr) + 4ul * (ulong)fieldIndexInType;
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return ReadInt32();
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}
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return 0;
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}
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return fieldOffsets[fieldIndex];
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}
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public override ulong[] GetPointers(ulong pointer, long count)
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{
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var pointers = MapVATR<ulong>(pointer, count);
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return pointers;
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}
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private bool SearchObsolete()
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{
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Console.WriteLine("ERROR: This mode not supported Elf64.");
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return false;
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}
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public override bool AdvancedSearch(int methodCount)
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{
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Console.WriteLine("ERROR: This mode not supported Elf64.");
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return false;
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}
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public override bool PlusSearch(int methodCount, int typeDefinitionsCount)
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{
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if (sectionWithName.ContainsKey(".data") && sectionWithName.ContainsKey(".text") && sectionWithName.ContainsKey(".bss"))
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{
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var datarelro = sectionWithName[".data"];
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var text = sectionWithName[".text"];
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var bss = sectionWithName[".bss"];
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codeRegistration = FindCodeRegistration(methodCount, datarelro, null, text);
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metadataRegistration = FindMetadataRegistration(typeDefinitionsCount, datarelro, null, bss);
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if (codeRegistration != 0 && metadataRegistration != 0)
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{
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Console.WriteLine("CodeRegistration : {0:x}", codeRegistration);
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Console.WriteLine("MetadataRegistration : {0:x}", metadataRegistration);
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Init64(codeRegistration, metadataRegistration);
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return true;
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}
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}
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else
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{
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Console.WriteLine("ERROR: The necessary section is missing.");
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}
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return false;
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}
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private ulong FindCodeRegistration(int count, Elf64_Shdr search, Elf64_Shdr search2, Elf64_Shdr range)
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{
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var searchend = search.sh_offset + search.sh_size;
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var rangeend = range.sh_addr + range.sh_size;
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var search2end = search2 == null ? 0 : search2.sh_offset + search2.sh_size;
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Position = search.sh_offset;
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while ((ulong)Position < searchend)
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{
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var add = Position;
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if (ReadUInt64() == (ulong)count)
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{
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try
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{
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ulong pointers = MapVATR(ReadUInt64());
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if (pointers >= search.sh_offset && pointers <= searchend)
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{
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var np = Position;
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var temp = ReadClassArray<ulong>(pointers, count);
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var r = Array.FindIndex(temp, x => x < range.sh_addr || x > rangeend);
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if (r == -1)
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{
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return (ulong)add - search.sh_offset + search.sh_addr;//MapRATV
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}
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Position = np;
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}
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else if (search2 != null && pointers >= search2.sh_offset && pointers <= search2end)
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{
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var np = Position;
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var temp = ReadClassArray<ulong>(pointers, count);
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var r = Array.FindIndex(temp, x => x < range.sh_addr || x > rangeend);
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if (r == -1)
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{
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return (ulong)add - search.sh_offset + search.sh_addr;//MapRATV
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}
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Position = np;
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}
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}
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catch
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{
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// ignored
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}
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}
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}
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return 0;
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}
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private ulong FindMetadataRegistration(int typeDefinitionsCount, Elf64_Shdr search, Elf64_Shdr search2, Elf64_Shdr range)
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{
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var searchend = search.sh_offset + search.sh_size;
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var rangeend = range.sh_addr + range.sh_size;
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var search2end = search2 == null ? 0 : search2.sh_offset + search2.sh_size;
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Position = search.sh_offset;
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while ((ulong)Position < searchend)
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{
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var add = Position;
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if (ReadUInt64() == (ulong)typeDefinitionsCount)
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{
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try
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{
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var np = Position;
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Position += 16;
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ulong pointers = MapVATR(ReadUInt64());
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if (pointers >= search.sh_offset && pointers <= searchend)
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{
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var temp = ReadClassArray<ulong>(pointers, maxmetadataUsages);
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var r = Array.FindIndex(temp, x => x < range.sh_addr || x > rangeend);
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if (r == -1)
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{
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return (ulong)add - 96ul - search.sh_offset + search.sh_addr;//MapRATV
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}
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}
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else if (search2 != null && pointers >= search2.sh_offset && pointers <= search2end)
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{
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var temp = ReadClassArray<ulong>(pointers, maxmetadataUsages);
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var r = Array.FindIndex(temp, x => x < range.sh_addr || x > rangeend);
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if (r == -1)
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{
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return (ulong)add - 96ul - search.sh_offset + search.sh_addr;//MapRATV
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}
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}
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Position = np;
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}
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catch
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{
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// ignored
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}
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}
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}
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return 0;
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}
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public bool DetectedSymbol()
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{
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Console.WriteLine("ERROR: This mode not supported Elf64.");
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return false;
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}
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}
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}
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67
Il2CppDumper/Elf64Class.cs
Normal file
67
Il2CppDumper/Elf64Class.cs
Normal file
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@ -0,0 +1,67 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace Il2CppDumper
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{
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public class Elf64_Ehdr
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{
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public uint ei_mag;
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public byte ei_class;
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public byte ei_data;
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public byte ei_version;
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public byte ei_osabi;
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public byte ei_abiversion;
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public byte[] ei_pad;
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public ushort e_type;
|
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public ushort e_machine;
|
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public uint e_version;
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public ulong e_entry;
|
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public ulong e_phoff;
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public ulong e_shoff;
|
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public uint e_flags;
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public ushort e_ehsize;
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public ushort e_phentsize;
|
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public ushort e_phnum;
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public ushort e_shentsize;
|
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public ushort e_shnum;
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public ushort e_shtrndx;
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}
|
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|
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public class Elf64_Phdr
|
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{
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public uint p_type;
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public uint p_flags;
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public ulong p_offset;
|
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public ulong p_vaddr;
|
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public ulong p_paddr;
|
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public ulong p_filesz;
|
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public ulong p_memsz;
|
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public ulong p_align;
|
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}
|
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|
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public class Elf64_Shdr
|
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{
|
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public uint sh_name;
|
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public uint sh_type;
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public ulong sh_flags;
|
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public ulong sh_addr;
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public ulong sh_offset;
|
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public ulong sh_size;
|
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public uint sh_link;
|
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public uint sh_info;
|
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public ulong sh_addralign;
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public ulong sh_entsize;
|
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}
|
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|
||||
public class Elf64_Sym
|
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{
|
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public uint st_name;
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public byte st_info;
|
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public byte st_other;
|
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public ushort st_shndx;
|
||||
public ulong st_value;
|
||||
public ulong st_size;
|
||||
}
|
||||
}
|
||||
|
|
@ -8,40 +8,16 @@ namespace Il2CppDumper
|
|||
{
|
||||
public class Elf32_Ehdr
|
||||
{
|
||||
// 0x7f followed by ELF in ascii
|
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public uint m_dwFormat;
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|
||||
// 1 - 32 bit
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// 2 - 64 bit
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public byte m_arch;
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|
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// 1 - little endian
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// 2 - big endian
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public byte m_endian;
|
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|
||||
// 1 is original elf format
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||||
public byte m_version;
|
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|
||||
// set based on OS, refer to OSABI enum
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public byte m_osabi;
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|
||||
// refer to elf documentation
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public byte m_osabi_ver;
|
||||
|
||||
// unused
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||||
public byte[] e_pad;//byte[7]
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||||
|
||||
// 1 - relocatable
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||||
// 2 - executable
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||||
// 3 - shared
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||||
// 4 - core
|
||||
public uint ei_mag;
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||||
public byte ei_class;
|
||||
public byte ei_data;
|
||||
public byte ei_version;
|
||||
public byte ei_osabi;
|
||||
public byte ei_abiversion;
|
||||
public byte[] ei_pad;
|
||||
public ushort e_type;
|
||||
|
||||
// refer to isa enum
|
||||
public ushort e_machine;
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||||
|
||||
public uint e_version;
|
||||
|
||||
public uint e_entry;
|
||||
public uint e_phoff;
|
||||
public uint e_shoff;
|
||||
|
|
@ -82,11 +58,11 @@ namespace Il2CppDumper
|
|||
|
||||
public class Elf32_Sym
|
||||
{
|
||||
public uint sym_name;
|
||||
public uint sym_value;
|
||||
public uint sym_size;
|
||||
public byte sym_info;
|
||||
public byte sym_other;
|
||||
public ushort sym_shndx;
|
||||
public uint st_name;
|
||||
public uint st_value;
|
||||
public uint st_size;
|
||||
public byte st_info;
|
||||
public byte st_other;
|
||||
public ushort st_shndx;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -51,6 +51,8 @@
|
|||
<Compile Include="Config.cs" />
|
||||
<Compile Include="DummyAssemblyCreator.cs" />
|
||||
<Compile Include="Elf.cs" />
|
||||
<Compile Include="Elf64.cs" />
|
||||
<Compile Include="Elf64Class.cs" />
|
||||
<Compile Include="Il2CppClass.cs" />
|
||||
<Compile Include="Il2Cpp.cs" />
|
||||
<Compile Include="Macho.cs" />
|
||||
|
|
|
|||
|
|
@ -347,7 +347,7 @@ namespace Il2CppDumper
|
|||
}
|
||||
catch
|
||||
{
|
||||
|
||||
// ignored
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -392,7 +392,7 @@ namespace Il2CppDumper
|
|||
}
|
||||
catch
|
||||
{
|
||||
|
||||
// ignored
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -348,7 +348,7 @@ namespace Il2CppDumper
|
|||
}
|
||||
catch
|
||||
{
|
||||
|
||||
// ignored
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -393,7 +393,7 @@ namespace Il2CppDumper
|
|||
}
|
||||
catch
|
||||
{
|
||||
|
||||
// ignored
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,14 +19,14 @@ namespace Il2CppDumper
|
|||
private Il2CppFieldDefaultValue[] fieldDefaultValues;
|
||||
private Il2CppParameterDefaultValue[] parameterDefaultValues;
|
||||
public Il2CppPropertyDefinition[] propertyDefs;
|
||||
public Il2CppCustomAttributeTypeRange[] attributesInfos;
|
||||
public Il2CppCustomAttributeTypeRange[] attributeTypeRanges;
|
||||
private Il2CppStringLiteral[] stringLiterals;
|
||||
private Il2CppMetadataUsageList[] metadataUsageLists;
|
||||
private Il2CppMetadataUsagePair[] metadataUsagePairs;
|
||||
public int[] attributeTypes;
|
||||
public int[] interfaceIndices;
|
||||
public SortedDictionary<uint, string> stringLiteralsdic;
|
||||
public long maxmetadataUsages;
|
||||
public long maxMetadataUsages;
|
||||
public int[] nestedTypeIndices;
|
||||
public Il2CppEventDefinition[] eventDefs;
|
||||
public Il2CppGenericContainer[] genericContainers;
|
||||
|
|
@ -90,7 +90,7 @@ namespace Il2CppDumper
|
|||
if (version > 20)
|
||||
{
|
||||
//CustomAttributeTypeRange
|
||||
attributesInfos = ReadClassArray<Il2CppCustomAttributeTypeRange>(pMetadataHdr.attributesInfoOffset, pMetadataHdr.attributesInfoCount / MySizeOf(typeof(Il2CppCustomAttributeTypeRange)));
|
||||
attributeTypeRanges = ReadClassArray<Il2CppCustomAttributeTypeRange>(pMetadataHdr.attributesInfoOffset, pMetadataHdr.attributesInfoCount / MySizeOf(typeof(Il2CppCustomAttributeTypeRange)));
|
||||
//AttributeTypes
|
||||
attributeTypes = ReadClassArray<int>(pMetadataHdr.attributeTypesOffset, pMetadataHdr.attributeTypesCount / 4);
|
||||
}
|
||||
|
|
@ -140,7 +140,7 @@ namespace Il2CppDumper
|
|||
}
|
||||
}
|
||||
}
|
||||
maxmetadataUsages = stringLiteralsdic.Last().Key + 1;
|
||||
maxMetadataUsages = stringLiteralsdic.Last().Key + 1;
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -43,6 +43,10 @@ namespace Il2CppDumper
|
|||
throw new Exception("ERROR: il2cpp file not supported.");
|
||||
case 0x464c457f://ELF
|
||||
isElf = true;
|
||||
if (il2cppfile[4] == 2)
|
||||
{
|
||||
goto case 0xFEEDFACF;//ELF64
|
||||
}
|
||||
goto case 0xFEEDFACE;
|
||||
case 0xCAFEBABE://FAT header
|
||||
case 0xBEBAFECA:
|
||||
|
|
@ -76,11 +80,14 @@ namespace Il2CppDumper
|
|||
var version = config.ForceIl2CppVersion ? config.ForceVersion : metadata.version;
|
||||
Console.WriteLine("Initializing il2cpp file...");
|
||||
if (isElf)
|
||||
il2cpp = new Elf(new MemoryStream(il2cppfile), version, metadata.maxmetadataUsages);
|
||||
if (is64bit)
|
||||
il2cpp = new Elf64(new MemoryStream(il2cppfile), version, metadata.maxMetadataUsages);
|
||||
else
|
||||
il2cpp = new Elf(new MemoryStream(il2cppfile), version, metadata.maxMetadataUsages);
|
||||
else if (is64bit)
|
||||
il2cpp = new Macho64(new MemoryStream(il2cppfile), version, metadata.maxmetadataUsages);
|
||||
il2cpp = new Macho64(new MemoryStream(il2cppfile), version, metadata.maxMetadataUsages);
|
||||
else
|
||||
il2cpp = new Macho(new MemoryStream(il2cppfile), version, metadata.maxmetadataUsages);
|
||||
il2cpp = new Macho(new MemoryStream(il2cppfile), version, metadata.maxMetadataUsages);
|
||||
switch (key.KeyChar)
|
||||
{
|
||||
case '2':
|
||||
|
|
@ -91,7 +98,7 @@ namespace Il2CppDumper
|
|||
{
|
||||
if (key.KeyChar == '5')
|
||||
{
|
||||
var elf = (Elf)il2cpp;
|
||||
dynamic elf = il2cpp;
|
||||
if (!elf.DetectedSymbol())
|
||||
{
|
||||
throw new Exception();
|
||||
|
|
@ -108,8 +115,9 @@ namespace Il2CppDumper
|
|||
throw new Exception();
|
||||
}
|
||||
}
|
||||
catch
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine($"{e.Message}\r\n{e.StackTrace}\r\n");
|
||||
throw new Exception("ERROR: Can't use this mode to process file, try another mode.");
|
||||
}
|
||||
break;
|
||||
|
|
@ -529,7 +537,7 @@ namespace Il2CppDumper
|
|||
{
|
||||
if (!config.DumpAttribute || il2cpp.version < 21)
|
||||
return "";
|
||||
var attributeTypeRange = metadata.attributesInfos[index];
|
||||
var attributeTypeRange = metadata.attributeTypeRanges[index];
|
||||
var sb = new StringBuilder();
|
||||
for (var i = 0; i < attributeTypeRange.count; i++)
|
||||
{
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue