Refactoring SymbolInfo/FunctionInfo/Function into Symbol/Function.

src/xenia/cpu/backend/backend.h

@@ -16,6 +16,8 @@
 
 namespace xe {
 namespace cpu {
+class GuestFunction;
+class Module;
 class Processor;
 }  // namespace cpu
 }  // namespace xe
@@ -46,6 +48,9 @@ class Backend {
 
   virtual std::unique_ptr<Assembler> CreateAssembler() = 0;
 
+  virtual std::unique_ptr<GuestFunction> CreateGuestFunction(
+      Module* module, uint32_t address) = 0;
+
  protected:
   Processor* processor_;
   MachineInfo machine_info_;