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Add GCFrameRegistration API to Mono #4

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Mar 14, 2022
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Add GCFrameRegistration API to Mono #4

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12 changes: 12 additions & 0 deletions src/mono/System.Private.CoreLib/src/System/Runtime/CompilerServices/RuntimeHelpers.Mono.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,18 @@ internal static bool ObjectHasReferences(object obj)
return RuntimeTypeHandle.HasReferences((obj.GetType() as RuntimeType)!);
}

// A conservative GC already scans the stack looking for potential object-refs or by-refs.
// Mono uses a conservative GC so there is no need for this API to be full implemented.
internal unsafe ref struct GCFrameRegistration
{
public GCFrameRegistration(void* allocation, uint elemCount, bool areByRefs = true)
{
}
}

internal static unsafe void RegisterForGCReporting(GCFrameRegistration* pRegistration) { /* nop */ }
internal static unsafe void UnregisterForGCReporting(GCFrameRegistration* pRegistration) { /* nop */ }

public static object GetUninitializedObject(
// This API doesn't call any constructors, but the type needs to be seen as constructed.
// A type is seen as constructed if a constructor is kept.
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