-extern int tracepoint_probe_unregister_noupdate(const char *name,
- void *callback, void *priv);
-extern void tracepoint_probe_update_all(void);
+
+__attribute__((visibility("hidden")))
+int tracepoint_probe_unregister_noupdate(const char *name,
+ void (*callback)(void), void *priv);
+
+__attribute__((visibility("hidden")))
+void tracepoint_probe_update_all(void);
+
+
+__attribute__((visibility("hidden")))
+void *lttng_ust_tp_check_weak_hidden1(void);
+
+__attribute__((visibility("hidden")))
+void *lttng_ust_tp_check_weak_hidden2(void);
+
+__attribute__((visibility("hidden")))
+void *lttng_ust_tp_check_weak_hidden3(void);