strace/linux/crisv10/get_syscall_args.c

/* Return -1 on error or 1 on success (never 0!). */
static int
get_syscall_args(struct tcb *tcp)
{
	static const int crisregs[MAX_ARGS] = {
		4*PT_ORIG_R10, 4*PT_R11, 4*PT_R12,
		4*PT_R13     , 4*PT_MOF, 4*PT_SRP
	};
	unsigned int i;

	for (i = 0; i < tcp->s_ent->nargs; ++i)
		if (upeek(tcp->pid, crisregs[i], &tcp->u_arg[i]) < 0)
			return -1;
	return 1;
}