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IL2CPP: Process Il2CppGenericMethodFunctionsDefinitions and Il2CppGenericMethodIndices

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This commit is contained in:
Katy Coe
2020-02-02 06:45:52 +01:00
parent 7b1d46644d
commit f715586b3b
3 changed files with 26 additions and 2 deletions
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13
Il2CppInspector/IL2CPP/Il2CppBinary.cs
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@@ -1,6 +1,6 @@
/*
Copyright 2017 Perfare - https://github.com/Perfare/Il2CppDumper
Copyright 2017-2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
Copyright 2017-2020 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
All rights reserved.
*/
@@ -46,6 +46,9 @@ namespace Il2CppInspector
// List of run-time concrete generic class and method signatures
public List<Il2CppGenericInst> GenericInstances { get; private set; }
// List of constructed generic method function pointers corresponding to each possible method instantiation
public Dictionary<Il2CppMethodSpec, ulong> GenericMethodPointers { get; } = new Dictionary<Il2CppMethodSpec, ulong>();
// Every defined type
public List<Il2CppType> TypeReferences { get; private set; }
@@ -200,6 +203,14 @@ namespace Il2CppInspector
// Concrete generic class and method signatures
GenericInstances = image.ReadMappedObjectPointerArray<Il2CppGenericInst>(MetadataRegistration.genericInsts, (int) MetadataRegistration.genericInstsCount);
// Concrete generic method pointers
// TODO: Invoker pointers in tableEntry.indices.invokerIndex
var genericMethodPointers = image.ReadMappedArray<ulong>(CodeRegistration.genericMethodPointers, (int) CodeRegistration.genericMethodPointersCount);
var genericMethodTable = image.ReadMappedArray<Il2CppGenericMethodFunctionsDefinitions>(MetadataRegistration.genericMethodTable, (int) MetadataRegistration.genericMethodTableCount);
foreach (var tableEntry in genericMethodTable) {
GenericMethodPointers.Add(MethodSpecs[tableEntry.genericMethodIndex], genericMethodPointers[tableEntry.indices.methodIndex]);
}
}
}
}

14
Il2CppInspector/IL2CPP/Il2CppBinaryClasses.cs
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@@ -1,6 +1,6 @@
/*
Copyright 2017 Perfare - https://github.com/Perfare/Il2CppDumper
Copyright 2017-2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
Copyright 2017-2020 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
All rights reserved.
*/
@@ -216,4 +216,16 @@ namespace Il2CppInspector
public int classIndexIndex;
public int methodIndexIndex;
}
public class Il2CppGenericMethodFunctionsDefinitions
{
public int genericMethodIndex;
public Il2CppGenericMethodIndices indices;
}
public class Il2CppGenericMethodIndices
{
public int methodIndex;
public int invokerIndex;
}
}

1
Il2CppInspector/IL2CPP/Il2CppInspector.cs
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@@ -60,6 +60,7 @@ namespace Il2CppInspector
public Dictionary<string, Il2CppCodeGenModule> Modules => Binary.Modules;
public ulong[] CustomAttributeGenerators => Binary.CustomAttributeGenerators;
public Il2CppMethodSpec[] MethodSpecs => Binary.MethodSpecs;
public Dictionary<Il2CppMethodSpec, ulong> GenericMethodPointers => Binary.GenericMethodPointers;
// TODO: Finish all file access in the constructor and eliminate the need for this
public IFileFormatReader BinaryImage => Binary.Image;