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+// AsmJit - Machine code generation for C++
+//
+//  * Official AsmJit Home Page: https://asmjit.com
+//  * Official Github Repository: https://github.com/asmjit/asmjit
+//
+// Copyright (c) 2008-2020 The AsmJit Authors
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//    claim that you wrote the original software. If you use this software
+//    in a product, an acknowledgment in the product documentation would be
+//    appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//    misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+#ifndef ASMJIT_CORE_JITRUNTIME_H_INCLUDED
+#define ASMJIT_CORE_JITRUNTIME_H_INCLUDED
+
+#include "../core/api-config.h"
+#ifndef ASMJIT_NO_JIT
+
+#include "../core/codeholder.h"
+#include "../core/jitallocator.h"
+#include "../core/target.h"
+
+ASMJIT_BEGIN_NAMESPACE
+
+class CodeHolder;
+
+//! \addtogroup asmjit_virtual_memory
+//! \{
+
+// ============================================================================
+// [asmjit::JitRuntime]
+// ============================================================================
+
+//! JIT execution runtime is a special `Target` that is designed to store and
+//! execute the generated code.
+class ASMJIT_VIRTAPI JitRuntime : public Target {
+public:
+  ASMJIT_NONCOPYABLE(JitRuntime)
+
+  //! Virtual memory allocator.
+  JitAllocator _allocator;
+
+  //! \name Construction & Destruction
+  //! \{
+
+  //! Creates a `JitRuntime` instance.
+  explicit ASMJIT_API JitRuntime(const JitAllocator::CreateParams* params = nullptr) noexcept;
+  //! Destroys the `JitRuntime` instance.
+  ASMJIT_API virtual ~JitRuntime() noexcept;
+
+  inline void reset(uint32_t resetPolicy = Globals::kResetSoft) noexcept {
+    _allocator.reset(resetPolicy);
+  }
+
+  //! \}
+
+  //! \name Accessors
+  //! \{
+
+  //! Returns the associated `JitAllocator`.
+  inline JitAllocator* allocator() const noexcept { return const_cast<JitAllocator*>(&_allocator); }
+
+  //! \}
+
+  //! \name Utilities
+  //! \{
+
+  // NOTE: To allow passing function pointers to `add()` and `release()` the
+  // virtual methods are prefixed with `_` and called from templates instead.
+
+  //! Allocates memory needed for a code stored in the `CodeHolder` and relocates
+  //! the code to the pointer allocated.
+  //!
+  //! The beginning of the memory allocated for the function is returned in `dst`.
+  //! If failed `Error` code is returned and `dst` is explicitly set to `nullptr`
+  //! (this means that you don't have to set it to null before calling `add()`).
+  template<typename Func>
+  inline Error add(Func* dst, CodeHolder* code) noexcept {
+    return _add(Support::ptr_cast_impl<void**, Func*>(dst), code);
+  }
+
+  //! Releases `p` which was obtained by calling `add()`.
+  template<typename Func>
+  inline Error release(Func p) noexcept {
+    return _release(Support::ptr_cast_impl<void*, Func>(p));
+  }
+
+  //! Type-unsafe version of `add()`.
+  ASMJIT_API virtual Error _add(void** dst, CodeHolder* code) noexcept;
+
+  //! Type-unsafe version of `release()`.
+  ASMJIT_API virtual Error _release(void* p) noexcept;
+
+  //! Flushes an instruction cache.
+  //!
+  //! This member function is called after the code has been copied to the
+  //! destination buffer. It is only useful for JIT code generation as it
+  //! causes a flush of the processor's cache.
+  //!
+  //! Flushing is basically a NOP under X86, but is needed by architectures
+  //! that do not have a transparent instruction cache like ARM.
+  //!
+  //! This function can also be overridden to improve compatibility with tools
+  //! such as Valgrind, however, it's not an official part of AsmJit.
+  ASMJIT_API virtual void flush(const void* p, size_t size) noexcept;
+
+  //! \}
+};
+
+//! \}
+
+ASMJIT_END_NAMESPACE
+
+#endif
+#endif