1static int 2arch_set_error(struct tcb *tcp) 3{ 4 sh_r0 = -tcp->u_error; 5 return upoke(tcp->pid, 4 * REG_REG0, sh_r0); 6} 7 8static int 9arch_set_success(struct tcb *tcp) 10{ 11 sh_r0 = tcp->u_rval; 12 return upoke(tcp->pid, 4 * REG_REG0, sh_r0); 13} 14