IL2Cpp/Il2CppDumper
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x86重定位

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This commit is contained in:
Perfare 2018-02-13 17:18:05 +08:00
parent 8c0615f4e2
commit fe3ff1828c
1 changed files with 10 additions and 4 deletions
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14
Il2CppDumper/Elf.cs
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@ -41,6 +41,8 @@ namespace Il2CppDumper
elf_header.e_pad = ReadBytes(7); elf_header.e_pad = ReadBytes(7);
elf_header.e_type = ReadUInt16(); elf_header.e_type = ReadUInt16();
elf_header.e_machine = ReadUInt16(); elf_header.e_machine = ReadUInt16();
if (elf_header.e_machine != 0x28 && elf_header.e_machine != 0x3)
throw new Exception("ERROR: Unsupported machines.");
elf_header.e_version = ReadUInt32(); elf_header.e_version = ReadUInt32();
elf_header.e_entry = ReadUInt32(); elf_header.e_entry = ReadUInt32();
elf_header.e_phoff = ReadUInt32(); elf_header.e_phoff = ReadUInt32();
@ -129,7 +131,7 @@ namespace Il2CppDumper
if (i > 0) if (i > 0)
{ {
Position = i; Position = i;
if (elf_header.e_machine == 0x28) if (elf_header.e_machine == 0x28) //ARM
{ {
var buff = ReadBytes(12); var buff = ReadBytes(12);
if (ARMFeatureBytes.SequenceEqual(buff)) if (ARMFeatureBytes.SequenceEqual(buff))
@ -148,7 +150,7 @@ namespace Il2CppDumper
return true; return true;
} }
} }
else if (elf_header.e_machine == 0x3) else if (elf_header.e_machine == 0x3) //x86
{ {
Position = i + 22; Position = i + 22;
var buff = ReadBytes(2); var buff = ReadBytes(2);
@ -328,6 +330,7 @@ namespace Il2CppDumper
var rel_dynend = rel_dyn.sh_offset + rel_dyn.sh_size; var rel_dynend = rel_dyn.sh_offset + rel_dyn.sh_size;
Position = rel_dyn.sh_offset; Position = rel_dyn.sh_offset;
var writer = new BinaryWriter(BaseStream); var writer = new BinaryWriter(BaseStream);
var isx86 = elf_header.e_machine == 0x3;
while (Position < rel_dynend) while (Position < rel_dynend)
{ {
var offset = ReadUInt32(); var offset = ReadUInt32();
@ -335,7 +338,9 @@ namespace Il2CppDumper
var index = ReadByte() | (ReadByte() << 8) | (ReadByte() << 16); var index = ReadByte() | (ReadByte() << 8) | (ReadByte() << 16);
switch (type) switch (type)
{ {
case 2: //ARM
case 1 when isx86: //R_386_32
case 2 when !isx86: //R_ARM_ABS32
{ {
var position = Position; var position = Position;
var dynamic_symbol = dynamic_symbol_table[index]; var dynamic_symbol = dynamic_symbol_table[index];
@ -344,7 +349,8 @@ namespace Il2CppDumper
Position = position; Position = position;
break; break;
} }
case 21: case 6 when isx86: //R_386_GLOB_DAT
case 21 when !isx86: //R_ARM_GLOB_DAT
{ {
var position = Position; var position = Position;
var dynamic_symbol = dynamic_symbol_table[index]; var dynamic_symbol = dynamic_symbol_table[index];