add support for JIT compilation

lib/lepton/asmjit/core/target.h

@@ -0,0 +1,53 @@
+// This file is part of AsmJit project <https://asmjit.com>
+//
+// See asmjit.h or LICENSE.md for license and copyright information
+// SPDX-License-Identifier: Zlib
+
+#ifndef ASMJIT_CORE_TARGET_H_INCLUDED
+#define ASMJIT_CORE_TARGET_H_INCLUDED
+
+#include "../core/archtraits.h"
+#include "../core/func.h"
+
+ASMJIT_BEGIN_NAMESPACE
+
+//! \addtogroup asmjit_core
+//! \{
+
+//! Target is an abstract class that describes a machine code target.
+class ASMJIT_VIRTAPI Target {
+public:
+  ASMJIT_BASE_CLASS(Target)
+  ASMJIT_NONCOPYABLE(Target)
+
+  //! Target environment information.
+  Environment _environment;
+
+  //! \name Construction & Destruction
+  //! \{
+
+  //! Creates a `Target` instance.
+  ASMJIT_API Target() noexcept;
+  //! Destroys the `Target` instance.
+  ASMJIT_API virtual ~Target() noexcept;
+
+  //! \}
+
+  //! \name Accessors
+  //! \{
+
+  //! Returns target's environment.
+  inline const Environment& environment() const noexcept { return _environment; }
+  //! Returns the target architecture.
+  inline Arch arch() const noexcept { return _environment.arch(); }
+  //! Returns the target sub-architecture.
+  inline SubArch subArch() const noexcept { return _environment.subArch(); }
+
+  //! \}
+};
+
+//! \}
+
+ASMJIT_END_NAMESPACE
+
+#endif // ASMJIT_CORE_TARGET_H_INCLUDED