72 lwp_getsysent(klwp_t *lwp)  in lwp_getsysent()  argument
74 	if (lwp_getdatamodel(lwp) == DATAMODEL_NATIVE)  in lwp_getsysent()
78 #define	LWP_GETSYSENT(lwp)	(lwp_getsysent(lwp))  argument
80 #define	LWP_GETSYSENT(lwp)	(sysent)  argument
90 xregrestore(klwp_t *lwp, int shared)  in xregrestore()  argument
96 	if (lwp->lwp_pcb.pcb_xregstat == XREGMODIFIED) {  in xregrestore()
97 		struct machpcb *mpcb = lwptompcb(lwp);  in xregrestore()
98 		caddr_t sp = (caddr_t)lwptoregs(lwp)->r_sp;  in xregrestore()
104 		if (lwp_getdatamodel(lwp) == DATAMODEL_LP64) {  in xregrestore()
116 			(void) copyout_nowatch(&lwp->lwp_pcb.pcb_xregs,  in xregrestore()
123 			rwindow_nto32(&lwp->lwp_pcb.pcb_xregs, &rwindow32);  in xregrestore()
132 		bcopy(&lwp->lwp_pcb.pcb_xregs, &mpcb->mpcb_rwin[0],  in xregrestore()
133 		    sizeof (lwp->lwp_pcb.pcb_xregs));  in xregrestore()
135 	lwp->lwp_pcb.pcb_xregstat = XREGNONE;  in xregrestore()
147 get_syscall_args(klwp_t *lwp, long *argp, int *nargsp)  in get_syscall_args()  argument
149 	kthread_t	*t = lwptot(lwp);  in get_syscall_args()
155 	if (lwptoproc(lwp)->p_model == DATAMODEL_ILP32)  in get_syscall_args()
162 		nargs = LWP_GETSYSENT(lwp)[code].sy_narg;  in get_syscall_args()
167 		ap = lwp->lwp_ap;  in get_syscall_args()
181 get_syscall32_args(klwp_t *lwp, int *argp, int *nargsp)  in get_syscall32_args()  argument
186 	code = get_syscall_args(lwp, args, nargsp);  in get_syscall32_args()
208 	klwp_t		*lwp = ttolwp(t);  in save_syscall_args()  local
209 	struct regs	*rp = lwptoregs(lwp);  in save_syscall_args()
216 	if (lwp->lwp_argsaved || code == 0)  in save_syscall_args()
222 		struct sysent *se = LWP_GETSYSENT(lwp);  in save_syscall_args()
255 	if ((datamodel = lwp_getdatamodel(lwp)) == DATAMODEL_ILP32) {  in save_syscall_args()
259 			lwp->lwp_arg[0] = (uint32_t)rp->r_o1;  in save_syscall_args()
260 			lwp->lwp_arg[1] = (uint32_t)rp->r_o2;  in save_syscall_args()
261 			lwp->lwp_arg[2] = (uint32_t)rp->r_o3;  in save_syscall_args()
262 			lwp->lwp_arg[3] = (uint32_t)rp->r_o4;  in save_syscall_args()
263 			lwp->lwp_arg[4] = (uint32_t)rp->r_o5;  in save_syscall_args()
271 					lwp->lwp_arg[i] = a;  in save_syscall_args()
276 			lwp->lwp_arg[0] = (uint32_t)rp->r_o0;  in save_syscall_args()
277 			lwp->lwp_arg[1] = (uint32_t)rp->r_o1;  in save_syscall_args()
278 			lwp->lwp_arg[2] = (uint32_t)rp->r_o2;  in save_syscall_args()
279 			lwp->lwp_arg[3] = (uint32_t)rp->r_o3;  in save_syscall_args()
280 			lwp->lwp_arg[4] = (uint32_t)rp->r_o4;  in save_syscall_args()
281 			lwp->lwp_arg[5] = (uint32_t)rp->r_o5;  in save_syscall_args()
289 					lwp->lwp_arg[i] = a;  in save_syscall_args()
296 		lwp->lwp_arg[0] = rp->r_o0;  in save_syscall_args()
297 		lwp->lwp_arg[1] = rp->r_o1;  in save_syscall_args()
298 		lwp->lwp_arg[2] = rp->r_o2;  in save_syscall_args()
299 		lwp->lwp_arg[3] = rp->r_o3;  in save_syscall_args()
300 		lwp->lwp_arg[4] = rp->r_o4;  in save_syscall_args()
301 		lwp->lwp_arg[5] = rp->r_o5;  in save_syscall_args()
308 				lwp->lwp_arg[i] = a;  in save_syscall_args()
315 	lwp->lwp_ap = lwp->lwp_arg;  in save_syscall_args()
316 	lwp->lwp_argsaved = 1;  in save_syscall_args()
324 	klwp_t *lwp = ttolwp(curthread);  in reset_syscall_args()  local
326 	lwp->lwp_ap = (long *)&lwptoregs(lwp)->r_o0;  in reset_syscall_args()
327 	lwp->lwp_argsaved = 0;  in reset_syscall_args()
356 	klwp_t *lwp = ttolwp(t);  in pre_syscall()  local
357 	struct regs *rp = lwptoregs(lwp);  in pre_syscall()
373 	ASSERT(lwp->lwp_ap == (long *)&rp->r_o0);  in pre_syscall()
397 	if (lwp->lwp_pcb.pcb_step != STEP_NONE) {  in pre_syscall()
434 				lwp->lwp_argsaved = 0;  in pre_syscall()
435 				lwp->lwp_ap = (long *)&rp->r_o0;  in pre_syscall()
442 	if (lwp->lwp_sysabort) {  in pre_syscall()
448 		lwp->lwp_sysabort = 0;  in pre_syscall()
461 			    0, lwp)) {  in pre_syscall()
463 				lwp->lwp_error = 0;	/* for old drivers */  in pre_syscall()
491 			callp = LWP_GETSYSENT(lwp) + code;  in pre_syscall()
503 		for (i = 0, ap = lwp->lwp_ap; i < callp->sy_narg; i++, ap++) {  in pre_syscall()
520 	lwp->lwp_error = 0;	/* for old drivers */  in pre_syscall()
521 	lwp->lwp_badpriv = PRIV_NONE;	/* for privilege tracing */  in pre_syscall()
538 	klwp_t	*lwp = ttolwp(t);  in post_syscall()  local
539 	struct regs *rp = lwptoregs(lwp);  in post_syscall()
548 	error = lwp->lwp_errno;  in post_syscall()
598 	if (lwp->lwp_eosys == NORMALRETURN) {  in post_syscall()
626 			    (sig = lwp->lwp_cursig) != 0 &&  in post_syscall()
681 		if (lwp->lwp_oweupc)  in post_syscall()
692 	lwp->lwp_eosys = NORMALRETURN;  in post_syscall()
751 		if (ISSIG_PENDING(t, lwp, p)) {  in post_syscall()
759 			    LWP_GETSYSENT(lwp)[code].sy_narg : 0;  in post_syscall()
770 		if (lwp->lwp_pcb.pcb_flags & CPC_OVERFLOW)  in post_syscall()
778 		if (lwp->lwp_pcb.pcb_flags & ASYNC_HWERR)  in post_syscall()
786 	if (lwp->lwp_pcb.pcb_xregstat != XREGNONE)  in post_syscall()
787 		xregrestore(lwp, 1);  in post_syscall()
789 	lwp->lwp_errno = 0;		/* clear error for next time */  in post_syscall()
813 	lwp->lwp_state = LWP_USER;  in post_syscall()
828 	if (lwp->lwp_pcb.pcb_step != STEP_NONE) {  in post_syscall()
839 	lwp->lwp_ap = (long *)&rp->r_o0;  in post_syscall()
840 	lwp->lwp_argsaved = 0;  in post_syscall()
856 	if (lwp->lwp_ustack != 0 && lwp->lwp_old_stk_ctl != 0) {  in post_syscall()
875 			if (copyin((stack_t *)lwp->lwp_ustack, &stk,  in post_syscall()
877 			    (stk.ss_size == lwp->lwp_old_stk_ctl ||  in post_syscall()
885 				    (stack_t *)lwp->lwp_ustack,  in post_syscall()
891 			if (copyin((stack32_t *)lwp->lwp_ustack, &stk32,  in post_syscall()
893 			    (stk32.ss_size == lwp->lwp_old_stk_ctl ||  in post_syscall()
901 				    (stack32_t *)lwp->lwp_ustack,  in post_syscall()
906 		lwp->lwp_old_stk_ctl = 0;  in post_syscall()
923 	klwp_t	*lwp = ttolwp(curthread);  in syscall_ap()  local
924 	struct regs *rp = lwptoregs(lwp);  in syscall_ap()
926 	callp = LWP_GETSYSENT(lwp) + curthread->t_sysnum;  in syscall_ap()
937 	lwp->lwp_error = 0;	/* for old drivers */  in syscall_ap()
938 	error = (*(callp->sy_call))(lwp->lwp_ap, &rval);  in syscall_ap()
1058 	klwp_t		*lwp = ttolwp(curthread);  in indir()  local
1064 	ASSERT(lwp->lwp_ap != NULL);  in indir()
1067 	callp = LWP_GETSYSENT(lwp) + code;  in indir()
1075 	} else if (!lwp->lwp_argsaved) {  in indir()
1078 		ap = lwp->lwp_ap;		/* args haven't been saved */  in indir()
1079 		lwp->lwp_ap = ap + 1;		/* advance arg pointer */  in indir()
1082 	return ((*callp->sy_callc)(a0, a1, a2, a3, a4, lwp->lwp_arg[5]));  in indir()