1 files changed, 97 insertions, 0 deletions
diff --git a/src/jit/jitconfig.h b/src/jit/jitconfig.h
new file mode 100644
index 0000000000..d5b4e30796
--- /dev/null
+++ b/src/jit/jitconfig.h
@@ -0,0 +1,97 @@
+// 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.
+
+#ifndef _JITCONFIG_H_
+#define _JITCONFIG_H_
+
+struct CORINFO_SIG_INFO;
+class ICorJitHost;
+
+class JitConfigValues
+{
+public:
+    class MethodSet
+    {
+    private:
+        struct MethodName
+        {
+            MethodName* m_next;
+            int         m_methodNameStart;
+            int         m_methodNameLen;
+            int         m_classNameStart;
+            int         m_classNameLen;
+            int         m_numArgs;
+        };
+
+        const char* m_list;
+        MethodName* m_names;
+
+        MethodSet(const MethodSet& other) = delete;
+        MethodSet& operator=(const MethodSet& other) = delete;
+
+    public:
+        MethodSet()
+        {
+        }
+        inline const char* list() const
+        {
+            return m_list;
+        }
+
+        void initialize(const wchar_t* list, ICorJitHost* host);
+        void destroy(ICorJitHost* host);
+
+        inline bool isEmpty() const
+        {
+            return m_names == nullptr;
+        }
+        bool contains(const char* methodName, const char* className, CORINFO_SIG_INFO* sigInfo) const;
+    };
+
+private:
+#define CONFIG_INTEGER(name, key, defaultValue) int m_##name;
+#define CONFIG_STRING(name, key) const wchar_t* m_##name;
+#define CONFIG_METHODSET(name, key) MethodSet   m_##name;
+#include "jitconfigvalues.h"
+
+public:
+#define CONFIG_INTEGER(name, key, defaultValue)                                                                        \
+    inline int name() const                                                                                            \
+    {                                                                                                                  \
+        return m_##name;                                                                                               \
+    }
+#define CONFIG_STRING(name, key)                                                                                       \
+    inline const wchar_t* name() const                                                                                 \
+    {                                                                                                                  \
+        return m_##name;                                                                                               \
+    }
+#define CONFIG_METHODSET(name, key)                                                                                    \
+    inline const MethodSet& name() const                                                                               \
+    {                                                                                                                  \
+        return m_##name;                                                                                               \
+    }
+#include "jitconfigvalues.h"
+
+private:
+    bool m_isInitialized;
+
+    JitConfigValues(const JitConfigValues& other) = delete;
+    JitConfigValues& operator=(const JitConfigValues& other) = delete;
+
+public:
+    JitConfigValues()
+    {
+    }
+
+    inline bool isInitialized() const
+    {
+        return m_isInitialized != 0;
+    }
+    void initialize(ICorJitHost* host);
+    void destroy(ICorJitHost* host);
+};
+
+extern JitConfigValues JitConfig;
+
+#endif