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Model: Handle generic type definition fetch for metadata v27

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This commit is contained in:
Katy Coe
2020-08-16 01:13:27 +02:00
parent 86dd475a56
commit ec6066aa1d
2 changed files with 13 additions and 9 deletions
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2
Il2CppInspector.Common/IL2CPP/Il2CppBinaryClasses.cs
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@@ -202,7 +202,7 @@ namespace Il2CppInspector
[Version(Max = 24.3)]
public long typeDefinitionIndex; /* the generic type definition */
[Version(Min = 27)]
public long type; // Il2CppType* /* the generic type definition */
public ulong type; // Il2CppType* /* the generic type definition */
public Il2CppGenericContext context; /* a context that contains the type instantiation doesn't contain any method instantiation */
public ulong cached_class; /* if present, the Il2CppClass corresponding to the instantiation. */

10
Il2CppInspector.Common/Reflection/TypeModel.cs
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@@ -195,15 +195,19 @@ namespace Il2CppInspector.Reflection
// TODO: Replace with array load from Il2CppMetadataRegistration.genericClasses
var generic = image.ReadMappedObject<Il2CppGenericClass>(typeRef.datapoint); // Il2CppGenericClass *
// Get generic type definition
TypeInfo genericTypeDef;
if (Package.Version < 27) {
// It appears that TypeRef can be -1 if the generic depth recursion limit
// (--maximum-recursive-generic-depth=) is reached in Il2Cpp. In this case,
// no generic instance type is generated, so we just produce a null TypeInfo here.
// TODO: Generic type definition index resolution is broken in metadata v27 (replaced with Il2CppType *type)
if ((generic.typeDefinitionIndex & 0xffff_ffff) == 0x0000_0000_ffff_ffff)
return null;
var genericTypeDef = TypesByDefinitionIndex[generic.typeDefinitionIndex];
genericTypeDef = TypesByDefinitionIndex[generic.typeDefinitionIndex];
} else {
genericTypeDef = GetTypeFromVirtualAddress(generic.type);
}
// Get the instantiation
// TODO: Replace with array load from Il2CppMetadataRegistration.genericInsts