start creating base objects for runtime

src/runtime/runtime.h

@@ -7,9 +7,14 @@ typedef struct {
   size_t head;
 } RuntimeState;
 
+void init_types();
 
 void run_instruction(Translated *translated, RuntimeState *state);
 
 void runtime(Translated translated);
 
+uint64_t siphash64_bytes(const void *data, size_t len);
+
+void generate_siphash_key();
+
 #endif // RUNTIME_H