Moving alloy/ into xenia/cpu/ to start simplifying things.

src/xenia/cpu/backend/x64/x64_backend.h

@@ -0,0 +1,51 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_BACKEND_X64_X64_BACKEND_H_
+#define XENIA_BACKEND_X64_X64_BACKEND_H_
+
+#include "xenia/cpu/backend/backend.h"
+
+namespace xe {
+namespace cpu {
+namespace backend {
+namespace x64 {
+
+class X64CodeCache;
+
+#define XENIA_HAS_X64_BACKEND 1
+
+typedef void* (*HostToGuestThunk)(void* target, void* arg0, void* arg1);
+typedef void* (*GuestToHostThunk)(void* target, void* arg0, void* arg1);
+
+class X64Backend : public Backend {
+ public:
+  X64Backend(runtime::Runtime* runtime);
+  ~X64Backend() override;
+
+  X64CodeCache* code_cache() const { return code_cache_; }
+  HostToGuestThunk host_to_guest_thunk() const { return host_to_guest_thunk_; }
+  GuestToHostThunk guest_to_host_thunk() const { return guest_to_host_thunk_; }
+
+  int Initialize() override;
+
+  std::unique_ptr<Assembler> CreateAssembler() override;
+
+ private:
+  X64CodeCache* code_cache_;
+  HostToGuestThunk host_to_guest_thunk_;
+  GuestToHostThunk guest_to_host_thunk_;
+};
+
+}  // namespace x64
+}  // namespace backend
+}  // namespace cpu
+}  // namespace xe
+
+#endif  // XENIA_BACKEND_X64_X64_BACKEND_H_