uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
#else
extern void (*systrace_probe)(dtrace_id_t, uint64_t, uint64_t,
uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
#else
extern void (*systrace_probe)(dtrace_id_t, uint64_t, uint64_t,