54 savecontext(ucontext_t *ucp, const k_sigset_t *mask)  in savecontext()  argument
65 	bzero(&ucp->uc_mcontext.fpregs, sizeof (ucontext_t) -  in savecontext()
68 	ucp->uc_flags = UC_ALL;  in savecontext()
69 	ucp->uc_link = (struct ucontext *)lwp->lwp_oldcontext;  in savecontext()
78 	    copyin((void *)lwp->lwp_ustack, &ucp->uc_stack,  in savecontext()
79 	    sizeof (ucp->uc_stack)) != 0 ||  in savecontext()
80 	    ucp->uc_stack.ss_size == 0) {  in savecontext()
83 			ucp->uc_stack = lwp->lwp_sigaltstack;  in savecontext()
85 			ucp->uc_stack.ss_sp = p->p_usrstack - p->p_stksize;  in savecontext()
86 			ucp->uc_stack.ss_size = p->p_stksize;  in savecontext()
87 			ucp->uc_stack.ss_flags = 0;  in savecontext()
122 	getgregs(lwp, ucp->uc_mcontext.gregs);  in savecontext()
124 		getfpregs(lwp, &ucp->uc_mcontext.fpregs);  in savecontext()
126 		ucp->uc_flags &= ~UC_FPU;  in savecontext()
128 	sigktou(mask, &ucp->uc_sigmask);  in savecontext()
135 restorecontext(ucontext_t *ucp)  in restorecontext()  argument
140 	lwp->lwp_oldcontext = (uintptr_t)ucp->uc_link;  in restorecontext()
142 	if (ucp->uc_flags & UC_STACK) {  in restorecontext()
143 		if (ucp->uc_stack.ss_flags == SS_ONSTACK)  in restorecontext()
144 			lwp->lwp_sigaltstack = ucp->uc_stack;  in restorecontext()
149 	if (ucp->uc_flags & UC_CPU) {  in restorecontext()
158 		setgregs(lwp, ucp->uc_mcontext.gregs);  in restorecontext()
164 	if (ucp->uc_flags & UC_FPU)  in restorecontext()
165 		setfpregs(lwp, &ucp->uc_mcontext.fpregs);  in restorecontext()
167 	if (ucp->uc_flags & UC_SIGMASK) {  in restorecontext()
173 		sigutok(&ucp->uc_sigmask, &t->t_hold);  in restorecontext()
184 	ucontext_t *ucp;  in getsetcontext()  local
210 		ucp = arg;  in getsetcontext()
211 		if (ucp == NULL)  in getsetcontext()
217 		if (copyin(ucp, &uc, sizeof (ucontext_t) -  in getsetcontext()
226 		    copyin(&ucp->uc_mcontext.fpregs, &uc.uc_mcontext.fpregs,  in getsetcontext()
257 savecontext32(ucontext32_t *ucp, const k_sigset_t *mask)  in savecontext32()  argument
263 	bzero(&ucp->uc_mcontext.fpregs, sizeof (ucontext32_t) -  in savecontext32()
266 	ucp->uc_flags = UC_ALL;  in savecontext32()
267 	ucp->uc_link = (caddr32_t)lwp->lwp_oldcontext;  in savecontext32()
270 	    copyin((void *)lwp->lwp_ustack, &ucp->uc_stack,  in savecontext32()
271 	    sizeof (ucp->uc_stack)) != 0 ||  in savecontext32()
272 	    ucp->uc_stack.ss_size == 0) {  in savecontext32()
275 			ucp->uc_stack.ss_sp =  in savecontext32()
277 			ucp->uc_stack.ss_size =  in savecontext32()
279 			ucp->uc_stack.ss_flags = SS_ONSTACK;  in savecontext32()
281 			ucp->uc_stack.ss_sp = (caddr32_t)(uintptr_t)  in savecontext32()
283 			ucp->uc_stack.ss_size = (size32_t)p->p_stksize;  in savecontext32()
284 			ucp->uc_stack.ss_flags = 0;  in savecontext32()
308 	getgregs32(lwp, ucp->uc_mcontext.gregs);  in savecontext32()
310 		getfpregs32(lwp, &ucp->uc_mcontext.fpregs);  in savecontext32()
312 		ucp->uc_flags &= ~UC_FPU;  in savecontext32()
314 	sigktou(mask, &ucp->uc_sigmask);  in savecontext32()
322 	ucontext32_t *ucp;  in getsetcontext32()  local
341 		ucp = arg;  in getsetcontext32()
342 		if (ucp == NULL)  in getsetcontext32()
344 		if (copyin(ucp, &uc, sizeof (uc) -  in getsetcontext32()
352 		    copyin(&ucp->uc_mcontext.fpregs, &uc.uc_mcontext.fpregs,  in getsetcontext32()