142  *	lwp->lwp_ap normally points to the out regs in the reg structure.
168 		ap = lwp->lwp_ap;  in get_syscall_args()
196  *	lwp->lwp_ap normally points to the out regs in the reg structure.
316 	lwp->lwp_ap = lwp->lwp_arg;  in save_syscall_args()
318 	t->t_post_sys = 1;	/* so lwp_ap will be reset */  in save_syscall_args()
327 	lwp->lwp_ap = (long *)&lwptoregs(lwp)->r_o0;  in reset_syscall_args()
369 	 * by lwp_ap.  If the args need to be copied so that the outs can  in pre_syscall()
371 	 * they can be saved by save_syscall_args(), and lwp_ap will be  in pre_syscall()
374 	ASSERT(lwp->lwp_ap == (long *)&rp->r_o0);  in pre_syscall()
436 				lwp->lwp_ap = (long *)&rp->r_o0;  in pre_syscall()
504 		for (i = 0, ap = lwp->lwp_ap; i < callp->sy_narg; i++, ap++) {  in pre_syscall()
838 	 * pointer so the next syscall will have the right lwp_ap pointer.  in post_syscall()
840 	lwp->lwp_ap = (long *)&rp->r_o0;  in post_syscall()
939 	error = (*(callp->sy_call))(lwp->lwp_ap, &rval);  in syscall_ap()
1063 	ASSERT(lwp->lwp_ap != NULL);  in indir()
1077 		ap = lwp->lwp_ap;		/* args haven't been saved */  in indir()
1078 		lwp->lwp_ap = ap + 1;		/* advance arg pointer */  in indir()
1079 		curthread->t_post_sys = 1;	/* so lwp_ap will be reset */  in indir()