1 files changed, 28 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Runtime/InteropServices/NativeCallableAttribute.cs b/src/mscorlib/src/System/Runtime/InteropServices/NativeCallableAttribute.cs
new file mode 100644
index 0000000000..706ef80019
--- /dev/null
+++ b/src/mscorlib/src/System/Runtime/InteropServices/NativeCallableAttribute.cs
@@ -0,0 +1,28 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/*=============================================================================
+** Any method marked with NativeCallableAttribute can be directly called from 
+** native code.The function token can be loaded to a local variable using LDFTN and
+** passed as a callback to native method.
+=============================================================================*/
+
+using System;
+using System.Runtime.CompilerServices;
+
+namespace System.Runtime.InteropServices
+{
+
+    [AttributeUsage(AttributeTargets.Method)]
+    public sealed class NativeCallableAttribute : Attribute
+    {
+        public NativeCallableAttribute()
+        {
+        }
+        // Optional. If omitted , compiler will choose one for you.
+        public CallingConvention CallingConvention;
+        // Optional. If omitted, then the method is native callable, but no EAT is emitted.
+        public string EntryPoint;
+    }
+}