__dl_cxa_refcount
void __dl_cxa_refcount(void *, ssize_t);
__weak_alias(__dl_cxa_refcount, ___dl_cxa_refcount)
__dl_cxa_refcount(entry->dso_symbol, -1);
__dl_cxa_refcount(entry->dso_symbol, 1);
__dso_public void __dl_cxa_refcount(void *addr, ssize_t delta);