CoreRT Calli helper

RawCalliHelper.cs

[System.Runtime.InteropServices.McgIntrinsicsAttribute]
internal class RawCalliHelper
{
    public static unsafe ulong StdCall<T, U, W, X>(IntPtr pfn, T* arg1, U* arg2, W* arg3, X* arg4) where T : unmanaged where U : unmanaged where W : unmanaged where X : unmanaged
    {
        // This will be filled in by an IL transform
        return 0;
    }
    public static unsafe ulong StdCall<T, U, W, X>(IntPtr pfn, T arg1, U* arg2, W* arg3, X* arg4) where T : struct where U : unmanaged where W : unmanaged where X : unmanaged
    {
        // This will be filled in by an IL transform
        return 0;
    }
    public static unsafe ulong StdCall<T, U, W>(IntPtr pfn, T* arg1, U* arg2, W* arg3) where T : unmanaged where U : unmanaged where W : unmanaged
    {
        // This will be filled in by an IL transform
        return 0;
    }
    public static unsafe ulong StdCall<T, U, W>(IntPtr pfn, T arg1, U* arg2, W* arg3) where T : unmanaged where U : unmanaged where W : unmanaged
    {
        // This will be filled in by an IL transform
        return 0;
    }
    public static unsafe ulong StdCall<T, U, W>(IntPtr pfn, T* arg1, U arg2, W arg3) where T : unmanaged where U : unmanaged where W : unmanaged
    {
        // This will be filled in by an IL transform
        return 0;
    }
    public static unsafe ulong StdCall<T, U>(IntPtr pfn, T* arg1, U* arg2) where T : unmanaged where U : unmanaged
    {
        // This will be filled in by an IL transform
        return 0;
    }
    public static unsafe ulong StdCall<T, U>(IntPtr pfn, T* arg1, U arg2) where T : unmanaged where U : unmanaged
    {
        // This will be filled in by an IL transform
        return 0;
    }
    public static unsafe ulong StdCall<T>(IntPtr pfn, T* arg1) where T : unmanaged
    {
        // This will be filled in by an IL transform
        return 0;
    }
    public static unsafe ulong StdCall<T>(IntPtr pfn, T arg1) where T : unmanaged
    {
        // This will be filled in by an IL transform
        return 0;
    }
}