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[Foundation] Cache NSObject user type classification. #26555

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497619c
[Foundation/ObjCRuntime] Implement a faster IsUserType.
rolfbjarne Jun 8, 2022
6a1ef3c
[Foundation] Finish per-object user type cache
rolfbjarne Sep 2, 2026
4196fb0
[tests] Update preserved APIs for user type cache
rolfbjarne Sep 2, 2026
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2 changes: 2 additions & 0 deletions runtime/xamarin/main.h
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,8 @@ enum NSObjectFlags {
NSObjectFlagsHasManagedRef = 32,
// 64, // Used by SoM
NSObjectFlagsIsCustomType = 128,
NSObjectFlagsIsUserTypeKnown = 256,
NSObjectFlagsIsUserType = 512,
};

enum XamarinGCHandleType : int {
Expand Down
27 changes: 24 additions & 3 deletions src/Foundation/NSObject2.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,8 @@ internal enum Flags : uint {
HasManagedRef = 32,
// 64, // Used by SoM
IsCustomType = 128,
IsUserTypeKnown = 256,
IsUserType = 512,
}

// Must be kept in sync with the same enum in trampolines.h
Expand Down Expand Up @@ -312,6 +314,24 @@ internal bool InFinalizerQueue {
get { return ((flags & Flags.InFinalizerQueue) == Flags.InFinalizerQueue); }
}

bool TryGetIsUserType (NativeHandle handle, out bool isUserType, [NotNullWhen (false)] out string? error_message)
{
var currentFlags = flags;
if ((currentFlags & Flags.IsUserTypeKnown) == Flags.IsUserTypeKnown) {
isUserType = (currentFlags & Flags.IsUserType) == Flags.IsUserType;
error_message = null;
return true;
}

if (!Runtime.TryGetIsUserType (handle, out isUserType, out error_message))
return false;

flags = isUserType
? flags | Flags.IsUserTypeKnown | Flags.IsUserType
: (flags | Flags.IsUserTypeKnown) & ~Flags.IsUserType;
return true;
}

bool IsCustomType {
get {
var value = (flags & Flags.IsCustomType) == Flags.IsCustomType;
Expand Down Expand Up @@ -517,7 +537,7 @@ private void InitializeObject (bool alloced)

bool native_ref = (flags & Flags.NativeRef) == Flags.NativeRef;

if (!Runtime.TryGetIsUserType (handle, out var isUserType, out var error_message))
if (!TryGetIsUserType (handle, out var isUserType, out var error_message))
throw new InvalidOperationException ($"Unable to create a managed reference for the pointer {handle} whose managed type is {GetType ().FullName} because it wasn't possible to get the class of the pointer: {error_message}");

// Issue #25861: when we've just alloc'd a user type, defer adding it to the
Expand Down Expand Up @@ -570,7 +590,7 @@ void CreateManagedRef (bool isUserType, bool retain)
// if the ivar is already set.
void EnsureManagedReference (NativeHandle newHandle)
{
if (!Runtime.TryGetIsUserType (newHandle, out var isUserType, out var _) || !isUserType)
if (!TryGetIsUserType (newHandle, out var isUserType, out var _) || !isUserType)
return;
if (Runtime.GetGCHandleForObject (newHandle) != IntPtr.Zero)
return;
Expand All @@ -597,7 +617,7 @@ void EnsureManagedReference (NativeHandle newHandle)
void ReleaseManagedRef ()
{
var handle = this.Handle; // Get a copy of the handle, because it will be cleared out when calling Runtime.NativeObjectHasDied, and we still need the handle later.
if (!Runtime.TryGetIsUserType (handle, out var user_type, out var error_message))
if (!TryGetIsUserType (handle, out var user_type, out var error_message))
throw new InvalidOperationException ($"Unable to release the managed reference for the pointer {handle} whose managed type is {GetType ().FullName} because it wasn't possible to get the class of the pointer: {error_message}");
HasManagedRef = false;
if (!user_type) {
Expand Down Expand Up @@ -861,6 +881,7 @@ public NativeHandle Handle {
Runtime.UnregisterNSObject (handle, this);
}

flags &= ~(Flags.IsUserTypeKnown | Flags.IsUserType);
handle = value;

if (handle != IntPtr.Zero)
Expand Down
3 changes: 3 additions & 0 deletions tests/dotnet/UnitTests/expected/MacCatalyst-CoreCLR-Interpreter-preservedapis.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -581,6 +581,7 @@ Microsoft.MacCatalyst.dll:Foundation.NSObject.set_HasManagedRef(System.Boolean)
Microsoft.MacCatalyst.dll:Foundation.NSObject.set_IsDirectBinding(System.Boolean)
Microsoft.MacCatalyst.dll:Foundation.NSObject.set_RemoveFromObjectMap(System.Boolean)
Microsoft.MacCatalyst.dll:Foundation.NSObject.ToString()
Microsoft.MacCatalyst.dll:Foundation.NSObject.TryGetIsUserType(ObjCRuntime.NativeHandle, out System.Boolean&, out System.String&)
Microsoft.MacCatalyst.dll:Foundation.NSObject.xamarin_release_managed_ref(System.IntPtr, System.Byte)
Microsoft.MacCatalyst.dll:Foundation.NSObject.xamarin_set_gchandle_with_flags_safe(System.IntPtr, System.IntPtr, Foundation.NSObject/XamarinGCHandleFlags, System.IntPtr)
Microsoft.MacCatalyst.dll:Foundation.NSObject[] Foundation.NSDictionary::Keys()
Expand All @@ -593,6 +594,8 @@ Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::H
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::InFinalizerQueue
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsCustomType
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsDirectBinding
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserType
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserTypeKnown
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::NativeRef
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::RegisteredToggleRef
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObjectData::flags
Expand Down
3 changes: 3 additions & 0 deletions tests/dotnet/UnitTests/expected/MacCatalyst-CoreCLR-R2R-preservedapis.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -581,6 +581,7 @@ Microsoft.MacCatalyst.dll:Foundation.NSObject.set_HasManagedRef(System.Boolean)
Microsoft.MacCatalyst.dll:Foundation.NSObject.set_IsDirectBinding(System.Boolean)
Microsoft.MacCatalyst.dll:Foundation.NSObject.set_RemoveFromObjectMap(System.Boolean)
Microsoft.MacCatalyst.dll:Foundation.NSObject.ToString()
Microsoft.MacCatalyst.dll:Foundation.NSObject.TryGetIsUserType(ObjCRuntime.NativeHandle, out System.Boolean&, out System.String&)
Microsoft.MacCatalyst.dll:Foundation.NSObject.xamarin_release_managed_ref(System.IntPtr, System.Byte)
Microsoft.MacCatalyst.dll:Foundation.NSObject.xamarin_set_gchandle_with_flags_safe(System.IntPtr, System.IntPtr, Foundation.NSObject/XamarinGCHandleFlags, System.IntPtr)
Microsoft.MacCatalyst.dll:Foundation.NSObject[] Foundation.NSDictionary::Keys()
Expand All @@ -593,6 +594,8 @@ Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::H
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::InFinalizerQueue
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsCustomType
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsDirectBinding
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserType
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserTypeKnown
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::NativeRef
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::RegisteredToggleRef
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObjectData::flags
Expand Down
3 changes: 3 additions & 0 deletions tests/dotnet/UnitTests/expected/MacCatalyst-MonoVM-interpreter-preservedapis.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,7 @@ Microsoft.MacCatalyst.dll:Foundation.NSObject.set_HasManagedRef(System.Boolean)
Microsoft.MacCatalyst.dll:Foundation.NSObject.set_IsDirectBinding(System.Boolean)
Microsoft.MacCatalyst.dll:Foundation.NSObject.set_RemoveFromObjectMap(System.Boolean)
Microsoft.MacCatalyst.dll:Foundation.NSObject.ToString()
Microsoft.MacCatalyst.dll:Foundation.NSObject.TryGetIsUserType(ObjCRuntime.NativeHandle, out System.Boolean&, out System.String&)
Microsoft.MacCatalyst.dll:Foundation.NSObject.xamarin_release_managed_ref(System.IntPtr, System.Byte)
Microsoft.MacCatalyst.dll:Foundation.NSObject.xamarin_set_gchandle_with_flags_safe(System.IntPtr, System.IntPtr, Foundation.NSObject/XamarinGCHandleFlags, System.IntPtr)
Microsoft.MacCatalyst.dll:Foundation.NSObject[] Foundation.NSDictionary::Keys()
Expand All @@ -178,6 +179,8 @@ Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::H
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::InFinalizerQueue
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsCustomType
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsDirectBinding
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserType
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserTypeKnown
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::NativeRef
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::RegisteredToggleRef
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObjectData::flags
Expand Down
3 changes: 3 additions & 0 deletions tests/dotnet/UnitTests/expected/MacCatalyst-MonoVM-preservedapis.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,7 @@ Microsoft.MacCatalyst.dll:Foundation.NSObject.set_Handle(ObjCRuntime.NativeHandl
Microsoft.MacCatalyst.dll:Foundation.NSObject.set_HasManagedRef(System.Boolean)
Microsoft.MacCatalyst.dll:Foundation.NSObject.set_IsDirectBinding(System.Boolean)
Microsoft.MacCatalyst.dll:Foundation.NSObject.ToString()
Microsoft.MacCatalyst.dll:Foundation.NSObject.TryGetIsUserType(ObjCRuntime.NativeHandle, out System.Boolean&, out System.String&)
Microsoft.MacCatalyst.dll:Foundation.NSObject.xamarin_release_managed_ref(System.IntPtr, System.Byte)
Microsoft.MacCatalyst.dll:Foundation.NSObject.xamarin_set_gchandle_with_flags_safe(System.IntPtr, System.IntPtr, Foundation.NSObject/XamarinGCHandleFlags, System.IntPtr)
Microsoft.MacCatalyst.dll:Foundation.NSObject[] Foundation.NSDictionary::Keys()
Expand All @@ -161,6 +162,8 @@ Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::H
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::InFinalizerQueue
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsCustomType
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsDirectBinding
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserType
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserTypeKnown
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::NativeRef
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::RegisteredToggleRef
Microsoft.MacCatalyst.dll:Foundation.NSObject/Flags Foundation.NSObjectData::flags
Expand Down
3 changes: 3 additions & 0 deletions tests/dotnet/UnitTests/expected/TVOS-CoreCLR-Interpreter-preservedapis.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -524,6 +524,7 @@ Microsoft.tvOS.dll:Foundation.NSObject.set_HasManagedRef(System.Boolean)
Microsoft.tvOS.dll:Foundation.NSObject.set_IsDirectBinding(System.Boolean)
Microsoft.tvOS.dll:Foundation.NSObject.set_RemoveFromObjectMap(System.Boolean)
Microsoft.tvOS.dll:Foundation.NSObject.ToString()
Microsoft.tvOS.dll:Foundation.NSObject.TryGetIsUserType(ObjCRuntime.NativeHandle, out System.Boolean&, out System.String&)
Microsoft.tvOS.dll:Foundation.NSObject.xamarin_release_managed_ref(System.IntPtr, System.Byte)
Microsoft.tvOS.dll:Foundation.NSObject.xamarin_set_gchandle_with_flags_safe(System.IntPtr, System.IntPtr, Foundation.NSObject/XamarinGCHandleFlags, System.IntPtr)
Microsoft.tvOS.dll:Foundation.NSObject[] Foundation.NSDictionary::Keys()
Expand All @@ -536,6 +537,8 @@ Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::HasManag
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::InFinalizerQueue
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsCustomType
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsDirectBinding
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserType
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserTypeKnown
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::NativeRef
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::RegisteredToggleRef
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObjectData::flags
Expand Down
3 changes: 3 additions & 0 deletions tests/dotnet/UnitTests/expected/TVOS-CoreCLR-R2R-preservedapis.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -524,6 +524,7 @@ Microsoft.tvOS.dll:Foundation.NSObject.set_HasManagedRef(System.Boolean)
Microsoft.tvOS.dll:Foundation.NSObject.set_IsDirectBinding(System.Boolean)
Microsoft.tvOS.dll:Foundation.NSObject.set_RemoveFromObjectMap(System.Boolean)
Microsoft.tvOS.dll:Foundation.NSObject.ToString()
Microsoft.tvOS.dll:Foundation.NSObject.TryGetIsUserType(ObjCRuntime.NativeHandle, out System.Boolean&, out System.String&)
Microsoft.tvOS.dll:Foundation.NSObject.xamarin_release_managed_ref(System.IntPtr, System.Byte)
Microsoft.tvOS.dll:Foundation.NSObject.xamarin_set_gchandle_with_flags_safe(System.IntPtr, System.IntPtr, Foundation.NSObject/XamarinGCHandleFlags, System.IntPtr)
Microsoft.tvOS.dll:Foundation.NSObject[] Foundation.NSDictionary::Keys()
Expand All @@ -536,6 +537,8 @@ Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::HasManag
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::InFinalizerQueue
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsCustomType
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsDirectBinding
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserType
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserTypeKnown
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::NativeRef
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::RegisteredToggleRef
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObjectData::flags
Expand Down
3 changes: 3 additions & 0 deletions tests/dotnet/UnitTests/expected/TVOS-MonoVM-interpreter-preservedapis.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,7 @@ Microsoft.tvOS.dll:Foundation.NSObject.set_HasManagedRef(System.Boolean)
Microsoft.tvOS.dll:Foundation.NSObject.set_IsDirectBinding(System.Boolean)
Microsoft.tvOS.dll:Foundation.NSObject.set_RemoveFromObjectMap(System.Boolean)
Microsoft.tvOS.dll:Foundation.NSObject.ToString()
Microsoft.tvOS.dll:Foundation.NSObject.TryGetIsUserType(ObjCRuntime.NativeHandle, out System.Boolean&, out System.String&)
Microsoft.tvOS.dll:Foundation.NSObject.xamarin_release_managed_ref(System.IntPtr, System.Byte)
Microsoft.tvOS.dll:Foundation.NSObject.xamarin_set_gchandle_with_flags_safe(System.IntPtr, System.IntPtr, Foundation.NSObject/XamarinGCHandleFlags, System.IntPtr)
Microsoft.tvOS.dll:Foundation.NSObject[] Foundation.NSDictionary::Keys()
Expand All @@ -170,6 +171,8 @@ Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::HasManag
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::InFinalizerQueue
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsCustomType
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsDirectBinding
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserType
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserTypeKnown
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::NativeRef
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::RegisteredToggleRef
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObjectData::flags
Expand Down
3 changes: 3 additions & 0 deletions tests/dotnet/UnitTests/expected/TVOS-MonoVM-preservedapis.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -142,6 +142,7 @@ Microsoft.tvOS.dll:Foundation.NSObject.set_Handle(ObjCRuntime.NativeHandle)
Microsoft.tvOS.dll:Foundation.NSObject.set_HasManagedRef(System.Boolean)
Microsoft.tvOS.dll:Foundation.NSObject.set_IsDirectBinding(System.Boolean)
Microsoft.tvOS.dll:Foundation.NSObject.ToString()
Microsoft.tvOS.dll:Foundation.NSObject.TryGetIsUserType(ObjCRuntime.NativeHandle, out System.Boolean&, out System.String&)
Microsoft.tvOS.dll:Foundation.NSObject.xamarin_release_managed_ref(System.IntPtr, System.Byte)
Microsoft.tvOS.dll:Foundation.NSObject.xamarin_set_gchandle_with_flags_safe(System.IntPtr, System.IntPtr, Foundation.NSObject/XamarinGCHandleFlags, System.IntPtr)
Microsoft.tvOS.dll:Foundation.NSObject[] Foundation.NSDictionary::Keys()
Expand All @@ -153,6 +154,8 @@ Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::HasManag
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::InFinalizerQueue
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsCustomType
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsDirectBinding
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserType
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserTypeKnown
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::NativeRef
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::RegisteredToggleRef
Microsoft.tvOS.dll:Foundation.NSObject/Flags Foundation.NSObjectData::flags
Expand Down
3 changes: 3 additions & 0 deletions tests/dotnet/UnitTests/expected/iOS-CoreCLR-Interpreter-preservedapis.txt
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Expand Up @@ -554,6 +554,7 @@ Microsoft.iOS.dll:Foundation.NSObject.set_HasManagedRef(System.Boolean)
Microsoft.iOS.dll:Foundation.NSObject.set_IsDirectBinding(System.Boolean)
Microsoft.iOS.dll:Foundation.NSObject.set_RemoveFromObjectMap(System.Boolean)
Microsoft.iOS.dll:Foundation.NSObject.ToString()
Microsoft.iOS.dll:Foundation.NSObject.TryGetIsUserType(ObjCRuntime.NativeHandle, out System.Boolean&, out System.String&)
Microsoft.iOS.dll:Foundation.NSObject.xamarin_release_managed_ref(System.IntPtr, System.Byte)
Microsoft.iOS.dll:Foundation.NSObject.xamarin_set_gchandle_with_flags_safe(System.IntPtr, System.IntPtr, Foundation.NSObject/XamarinGCHandleFlags, System.IntPtr)
Microsoft.iOS.dll:Foundation.NSObject[] Foundation.NSDictionary::Keys()
Expand All @@ -566,6 +567,8 @@ Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::HasManage
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::InFinalizerQueue
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsCustomType
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsDirectBinding
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserType
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserTypeKnown
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::NativeRef
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::RegisteredToggleRef
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObjectData::flags
Expand Down
3 changes: 3 additions & 0 deletions tests/dotnet/UnitTests/expected/iOS-CoreCLR-R2R-preservedapis.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -554,6 +554,7 @@ Microsoft.iOS.dll:Foundation.NSObject.set_HasManagedRef(System.Boolean)
Microsoft.iOS.dll:Foundation.NSObject.set_IsDirectBinding(System.Boolean)
Microsoft.iOS.dll:Foundation.NSObject.set_RemoveFromObjectMap(System.Boolean)
Microsoft.iOS.dll:Foundation.NSObject.ToString()
Microsoft.iOS.dll:Foundation.NSObject.TryGetIsUserType(ObjCRuntime.NativeHandle, out System.Boolean&, out System.String&)
Microsoft.iOS.dll:Foundation.NSObject.xamarin_release_managed_ref(System.IntPtr, System.Byte)
Microsoft.iOS.dll:Foundation.NSObject.xamarin_set_gchandle_with_flags_safe(System.IntPtr, System.IntPtr, Foundation.NSObject/XamarinGCHandleFlags, System.IntPtr)
Microsoft.iOS.dll:Foundation.NSObject[] Foundation.NSDictionary::Keys()
Expand All @@ -566,6 +567,8 @@ Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::HasManage
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::InFinalizerQueue
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsCustomType
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsDirectBinding
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserType
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::IsUserTypeKnown
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::NativeRef
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObject/Flags::RegisteredToggleRef
Microsoft.iOS.dll:Foundation.NSObject/Flags Foundation.NSObjectData::flags
Expand Down
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