1/* Return -1 on error or 1 on success (never 0!). */
2static int
3get_syscall_args(struct tcb *tcp)
4{
5	unsigned int i;
6
7	for (i = 0; i < tcp->s_ent->nargs; ++i)
8		if (upeek(tcp->pid, (5 + i) * 4, &tcp->u_arg[i]) < 0)
9			return -1;
10	return 1;
11}
12