chizui/Il2CppInspectorRedux
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Add Fat Mach-O (Universal Binary) support

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Fix fieldOffsets bug in some metadata versions
Add support for generic multi-architecture binaries
Add Mach-O section RVA mapping
This commit is contained in:
Katy Coe
2017-10-23 12:35:59 +02:00
parent fef4d3d8f3
commit 16b56e271b
9 changed files with 218 additions and 82 deletions
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35
Il2CppInspector/Il2CppReader.cs
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@@ -17,7 +17,7 @@ namespace Il2CppInspector
protected Il2CppReader(IFileFormatReader stream, uint codeRegistration, uint metadataRegistration) {
Image = stream;
Configure(codeRegistration, metadataRegistration);
Configure(Image, codeRegistration, metadataRegistration);
}
public Il2CppCodeRegistration PtrCodeRegistration { get; protected set; }
@@ -27,44 +27,35 @@ namespace Il2CppInspector
protected abstract (uint, uint) Search(uint loc, uint globalOffset);
// Check all search locations
public bool Load(int version) {
public bool Load(int version, uint imageIndex = 0) {
var subImage = Image[imageIndex];
Image.Stream.Version = version;
var addrs = Image.GetSearchLocations();
var addrs = subImage.GetSearchLocations();
foreach (var loc in addrs)
if (loc != 0) {
var (code, metadata) = Search(loc, Image.GlobalOffset);
if (code != 0) {
Configure(code, metadata);
Image.FinalizeInit(this);
Configure(subImage, code, metadata);
subImage.FinalizeInit(this);
return true;
}
}
return false;
}
private void Configure(uint codeRegistration, uint metadataRegistration) {
PtrCodeRegistration = Image.ReadMappedObject<Il2CppCodeRegistration>(codeRegistration);
PtrMetadataRegistration = Image.ReadMappedObject<Il2CppMetadataRegistration>(metadataRegistration);
PtrCodeRegistration.methodPointers = Image.ReadMappedArray<uint>(PtrCodeRegistration.pmethodPointers,
private void Configure(IFileFormatReader image, uint codeRegistration, uint metadataRegistration) {
PtrCodeRegistration = image.ReadMappedObject<Il2CppCodeRegistration>(codeRegistration);
PtrMetadataRegistration = image.ReadMappedObject<Il2CppMetadataRegistration>(metadataRegistration);
PtrCodeRegistration.methodPointers = image.ReadMappedArray<uint>(PtrCodeRegistration.pmethodPointers,
(int) PtrCodeRegistration.methodPointersCount);
PtrMetadataRegistration.fieldOffsets = Image.ReadMappedArray<int>(PtrMetadataRegistration.pfieldOffsets,
PtrMetadataRegistration.fieldOffsets = image.ReadMappedArray<int>(PtrMetadataRegistration.pfieldOffsets,
PtrMetadataRegistration.fieldOffsetsCount);
var types = Image.ReadMappedArray<uint>(PtrMetadataRegistration.ptypes, PtrMetadataRegistration.typesCount);
var types = image.ReadMappedArray<uint>(PtrMetadataRegistration.ptypes, PtrMetadataRegistration.typesCount);
PtrMetadataRegistration.types = new Il2CppType[PtrMetadataRegistration.typesCount];
for (int i = 0; i < PtrMetadataRegistration.typesCount; ++i) {
PtrMetadataRegistration.types[i] = Image.ReadMappedObject<Il2CppType>(types[i]);
PtrMetadataRegistration.types[i] = image.ReadMappedObject<Il2CppType>(types[i]);
PtrMetadataRegistration.types[i].Init();
}
}
public Il2CppType GetTypeFromTypeIndex(int idx) {
return PtrMetadataRegistration.types[idx];
}
public int GetFieldOffsetFromIndex(int typeIndex, int fieldIndexInType) {
var ptr = PtrMetadataRegistration.fieldOffsets[typeIndex];
Image.Stream.Position = Image.MapVATR((uint) ptr) + 4 * fieldIndexInType;
return Image.Stream.ReadInt32();
}
}
}