chizui/Il2CppInspectorRedux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add processing of v24+ modules and double-indirected method pointers

Browse Source
This commit is contained in:
Katy Coe
2019-10-16 16:37:12 +02:00
parent a638e86c38
commit 70def274a7
3 changed files with 52 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
Il2CppInspector/Reflection/Assembly.cs
View File

@@ -14,6 +14,7 @@ namespace Il2CppInspector.Reflection {
// IL2CPP-specific data
public Il2CppReflector Model { get; }
public Il2CppImageDefinition Definition { get; }
public Il2CppCodeGenModule Module { get; }
public int Index { get; }
// TODO: CustomAttributes
@@ -41,6 +42,10 @@ namespace Il2CppInspector.Reflection {
// TODO: Generate EntryPoint method from entryPointIndex
}
// Find corresponding module (we'll need this for method pointers)
if (Model.Package.Metadata.Version >= 24.1)
Module = Model.Package.Binary.Modules[FullName];
// Generate types in DefinedTypes from typeStart to typeStart+typeCount-1
for (var t = Definition.typeStart; t < Definition.typeStart + Definition.typeCount; t++)
DefinedTypes.Add(new TypeInfo(Model.Package, t, this));

19
Il2CppInspector/Reflection/MethodInfo.cs
View File

@@ -33,11 +33,26 @@ namespace Il2CppInspector.Reflection
base(declaringType) {
Definition = pkg.Metadata.Methods[methodIndex];
Index = methodIndex;
Name = pkg.Strings[Definition.nameIndex];
// Find method pointer
if (Definition.methodIndex >= 0) {
VirtualAddress = pkg.Binary.MethodPointers[Definition.methodIndex];
// Global method pointer array
if (pkg.Metadata.Version < 24.1) {
VirtualAddress = pkg.Binary.MethodPointers[Definition.methodIndex];
}
// Per-module method pointer array uses the bottom 24 bits of the method's metadata token
// Derived from il2cpp::vm::MetadataCache::GetMethodPointer
else {
var method = (Definition.token & 0xffffff) - 1;
pkg.Binary.Image.Position = pkg.Binary.Image.MapVATR(Assembly.Module.methodPointers + method * 4);
VirtualAddress = pkg.Binary.Image.ReadUInt32();
}
HasBody = true;
}
Name = pkg.Strings[Definition.nameIndex];
if ((Definition.flags & Il2CppConstants.METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK) == Il2CppConstants.METHOD_ATTRIBUTE_PRIVATE)
Attributes |= MethodAttributes.Private;