100 	klwp_t *lwp = ttolwp(curthread);  in savecontext()  local
101 	struct regs *rp = lwptoregs(lwp);  in savecontext()
137 	ucp->uc_link = (struct ucontext *)lwp->lwp_oldcontext;  in savecontext()
145 	if (lwp->lwp_ustack == (uintptr_t)NULL ||  in savecontext()
146 	    copyin((void *)lwp->lwp_ustack, &ucp->uc_stack,  in savecontext()
150 		if (lwp->lwp_sigaltstack.ss_flags == SS_ONSTACK) {  in savecontext()
151 			ucp->uc_stack = lwp->lwp_sigaltstack;  in savecontext()
163 	if ((rp->r_ps & PS_T) || (lwp->lwp_pcb.pcb_flags & REQUEST_STEP)) {  in savecontext()
170 		if (!(lwp->lwp_pcb.pcb_flags & REQUEST_NOSTEP)) {  in savecontext()
171 			lwp->lwp_pcb.pcb_flags |= DEBUG_PENDING;  in savecontext()
190 	getgregs(lwp, ucp->uc_mcontext.gregs);  in savecontext()
191 	fpu_en = (lwp->lwp_pcb.pcb_fpu.fpu_flags & FPU_EN) != 0;  in savecontext()
193 		getfpregs(lwp, &ucp->uc_mcontext.fpregs);  in savecontext()
220 		ret = fpu_signal_copyout(lwp, ucp->uc_xsave,  in savecontext()
223 		ret = fpu_signal_copyout(lwp, ucp->uc_xsave, copyout);  in savecontext()
236 	klwp_t *lwp = ttolwp(t);  in restorecontext()  local
238 	lwp->lwp_oldcontext = (uintptr_t)ucp->uc_link;  in restorecontext()
242 			lwp->lwp_sigaltstack = ucp->uc_stack;  in restorecontext()
244 			lwp->lwp_sigaltstack.ss_flags &= ~SS_ONSTACK;  in restorecontext()
254 		if (lwptoregs(lwp)->r_ps & PS_T)  in restorecontext()
255 			lwp->lwp_pcb.pcb_flags |= DEBUG_PENDING;  in restorecontext()
256 		setgregs(lwp, ucp->uc_mcontext.gregs);  in restorecontext()
257 		lwp->lwp_eosys = JUSTRETURN;  in restorecontext()
270 		fpu_set_xsave(lwp, (const void *)ucp->uc_xsave);  in restorecontext()
272 		setfpregs(lwp, &ucp->uc_mcontext.fpregs);  in restorecontext()
293 	klwp_t *lwp = ttolwp(curthread);  in getsetcontext()  local
382 			ret = fpu_signal_copyin(lwp, &uc);  in getsetcontext()
390 		if ((uc.uc_flags & UC_STACK) && (lwp->lwp_ustack != 0))  in getsetcontext()
391 			(void) copyout(&uc.uc_stack, (stack_t *)lwp->lwp_ustack,  in getsetcontext()
396 		if (copyout(&lwp->lwp_ustack, arg, sizeof (caddr_t)))  in getsetcontext()
403 		lwp->lwp_ustack = (uintptr_t)arg;  in getsetcontext()
418 	klwp_t *lwp = ttolwp(curthread);  in savecontext32()  local
419 	struct regs *rp = lwptoregs(lwp);  in savecontext32()
442 	ucp->uc_link = (caddr32_t)lwp->lwp_oldcontext;  in savecontext32()
444 	if (lwp->lwp_ustack == (uintptr_t)NULL ||  in savecontext32()
445 	    copyin((void *)lwp->lwp_ustack, &ucp->uc_stack,  in savecontext32()
449 		if (lwp->lwp_sigaltstack.ss_flags == SS_ONSTACK) {  in savecontext32()
451 			    (caddr32_t)(uintptr_t)lwp->lwp_sigaltstack.ss_sp;  in savecontext32()
453 			    (size32_t)lwp->lwp_sigaltstack.ss_size;  in savecontext32()
467 	if ((rp->r_ps & PS_T) || (lwp->lwp_pcb.pcb_flags & REQUEST_STEP)) {  in savecontext32()
474 		if (!(lwp->lwp_pcb.pcb_flags & REQUEST_NOSTEP)) {  in savecontext32()
475 			lwp->lwp_pcb.pcb_flags |= DEBUG_PENDING;  in savecontext32()
483 	getgregs32(lwp, ucp->uc_mcontext.gregs);  in savecontext32()
484 	fpu_en = (lwp->lwp_pcb.pcb_fpu.fpu_flags & FPU_EN) != 0;  in savecontext32()
486 		getfpregs32(lwp, &ucp->uc_mcontext.fpregs);  in savecontext32()
508 		ret = fpu_signal_copyout(lwp, uaddr, savecontext_copyout);  in savecontext32()
510 		ret = fpu_signal_copyout(lwp, uaddr, copyout);  in savecontext32()
522 	klwp_t *lwp = ttolwp(curthread);  in getsetcontext32()  local
587 			int ret = fpu_signal_copyin(lwp, &ucnat);  in getsetcontext32()
595 		if ((uc.uc_flags & UC_STACK) && (lwp->lwp_ustack != 0))  in getsetcontext32()
597 			    (stack32_t *)lwp->lwp_ustack, sizeof (uc.uc_stack));  in getsetcontext32()
601 		ustack32 = (caddr32_t)lwp->lwp_ustack;  in getsetcontext32()
609 		lwp->lwp_ustack = (uintptr_t)arg;  in getsetcontext32()