summaryrefslogtreecommitdiff
path: root/src/mscorlib/src/System/Runtime/Versioning/NonVersionableAttribute.cs
blob: 0a9845d9c2bc855eeaf3c9835616ed253d5ce48f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
// 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.

/*============================================================
**
** Class:  NonVersionableAttribute
**
**
** The [NonVersionable] attribute is applied to indicate that the implementation 
** of a particular member or layout of a struct cannot be changed for given platform in incompatible way.
** This allows cross-module inlining of methods and data structures whose implementation 
** is never changed in ReadyToRun native images. Any changes to such members or types would be 
** breaking changes for ReadyToRun.
**
===========================================================*/
using System;
using System.Diagnostics;

namespace System.Runtime.Versioning {

    // This Conditional is here to strip the annotations for targets where ReadyToRun is not supported.
    // If this attribute is ever made public, this Conditional should be removed.
    [Conditional("FEATURE_READYTORUN")]
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Constructor, 
                    AllowMultiple = false, Inherited = false)]
    sealed class NonVersionableAttribute : Attribute {

        public NonVersionableAttribute()
        {
        }
    }
}