Fixing calling into code. Interpreter can now be used.

src/xenia/cpu/libjit/libjit_emitter.cc

@@ -55,7 +55,7 @@ LibjitEmitter::LibjitEmitter(xe_memory_ref memory, jit_context_t context) {
   // TODO(benvanik): evaluate using jit_abi_fastcall
   jit_type_t fn_params[] = {
     jit_type_void_ptr,
-    jit_type_uint
+    jit_type_nuint,
   };
   fn_signature_ = jit_type_create_signature(
       jit_abi_cdecl,

src/xenia/cpu/libjit/libjit_jit.cc

@@ -79,7 +79,8 @@ int LibjitJIT::Execute(xe_ppc_state_t* ppc_state, FunctionSymbol* fn_symbol) {
   }
 
   // Call into the function. This will compile it if needed.
-  intptr_t args[] = {(intptr_t)ppc_state, ppc_state->lr};
+  jit_nuint lr = ppc_state->lr;
+  void* args[] = {&ppc_state, &lr};
   uint64_t return_value;
   int apply_result = jit_function_apply(jit_fn, (void**)&args, &return_value);
   if (!apply_result) {