1 files changed, 47 insertions, 0 deletions
diff --git a/tests/src/JIT/Stress/ABI/Config.cs b/tests/src/JIT/Stress/ABI/Config.cs
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+++ b/tests/src/JIT/Stress/ABI/Config.cs
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+// 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.
+
+using System;
+
+namespace ABIStress
+{
+    internal class Config
+    {
+        internal const string TailCallerPrefix = "ABIStress_TailCaller";
+        internal const string TailCalleePrefix = "ABIStress_TailCallee";
+        internal const string PInvokerPrefix = "ABIStress_PInvoker";
+        internal const string PInvokeePrefix = "ABIStress_PInvokee";
+
+        internal const string InstantiatingStubPrefix = "ABIStress_InstantiatingStub_";
+
+        internal static StressModes StressModes { get; set; } = StressModes.None;
+        // The base seed. This value combined with the index of the
+        // caller/pinvoker/callee will uniquely determine how it is generated
+        // and which callee is used.
+        internal const int Seed = 0xeadbeef;
+        internal const int MinParams = 1;
+        internal static int MaxParams { get; set; } = 25;
+        // The number of callees to use. When stressing tailcalls, this is the number of tailcallee parameter lists to pregenerate.
+        // These parameter lists are pregenerated because we generate tailcallers
+        // by first selecting a random parameter list. A callee is then
+        // selected; to ensure we can actually do a fast tail call, we try to
+        // select a callee which requires less incoming arg space.
+        // For pinvokes this is the number of callees to use.
+        internal const int NumCallees = 10000;
+        internal static bool Verbose { get; set; }
+    }
+
+    [Flags]
+    internal enum StressModes
+    {
+        None = 0,
+        TailCalls = 0x1,
+        PInvokes = 0x2,
+        InstantiatingStubs = 0x4,
+        UnboxingStubs = 0x8,
+        SharedGenericUnboxingStubs = 0x10,
+
+        All = TailCalls | PInvokes | InstantiatingStubs | UnboxingStubs | SharedGenericUnboxingStubs,
+    }
+}