57 	klwp_t *lwp = ttolwp(curthread);  in savecontext()  local
58 	struct regs *rp = lwptoregs(lwp);  in savecontext()
69 	ucp->uc_link = (struct ucontext *)lwp->lwp_oldcontext;  in savecontext()
77 	if (lwp->lwp_ustack == NULL ||  in savecontext()
78 	    copyin((void *)lwp->lwp_ustack, &ucp->uc_stack,  in savecontext()
82 		if (lwp->lwp_sigaltstack.ss_flags == SS_ONSTACK) {  in savecontext()
83 			ucp->uc_stack = lwp->lwp_sigaltstack;  in savecontext()
95 	if ((rp->r_ps & PS_T) || (lwp->lwp_pcb.pcb_flags & REQUEST_STEP)) {  in savecontext()
102 		if (!(lwp->lwp_pcb.pcb_flags & REQUEST_NOSTEP)) {  in savecontext()
103 			lwp->lwp_pcb.pcb_flags |= DEBUG_PENDING;  in savecontext()
122 	getgregs(lwp, ucp->uc_mcontext.gregs);  in savecontext()
123 	if (lwp->lwp_pcb.pcb_fpu.fpu_flags & FPU_EN)  in savecontext()
124 		getfpregs(lwp, &ucp->uc_mcontext.fpregs);  in savecontext()
138 	klwp_t *lwp = ttolwp(t);  in restorecontext()  local
140 	lwp->lwp_oldcontext = (uintptr_t)ucp->uc_link;  in restorecontext()
144 			lwp->lwp_sigaltstack = ucp->uc_stack;  in restorecontext()
146 			lwp->lwp_sigaltstack.ss_flags &= ~SS_ONSTACK;  in restorecontext()
156 		if (lwptoregs(lwp)->r_ps & PS_T)  in restorecontext()
157 			lwp->lwp_pcb.pcb_flags |= DEBUG_PENDING;  in restorecontext()
158 		setgregs(lwp, ucp->uc_mcontext.gregs);  in restorecontext()
159 		lwp->lwp_eosys = JUSTRETURN;  in restorecontext()
165 		setfpregs(lwp, &ucp->uc_mcontext.fpregs);  in restorecontext()
185 	klwp_t *lwp = ttolwp(curthread);  in getsetcontext()  local
233 		if ((uc.uc_flags & UC_STACK) && (lwp->lwp_ustack != 0))  in getsetcontext()
234 			(void) copyout(&uc.uc_stack, (stack_t *)lwp->lwp_ustack,  in getsetcontext()
239 		if (copyout(&lwp->lwp_ustack, arg, sizeof (caddr_t)))  in getsetcontext()
246 		lwp->lwp_ustack = (uintptr_t)arg;  in getsetcontext()
260 	klwp_t *lwp = ttolwp(curthread);  in savecontext32()  local
261 	struct regs *rp = lwptoregs(lwp);  in savecontext32()
267 	ucp->uc_link = (caddr32_t)lwp->lwp_oldcontext;  in savecontext32()
269 	if (lwp->lwp_ustack == NULL ||  in savecontext32()
270 	    copyin((void *)lwp->lwp_ustack, &ucp->uc_stack,  in savecontext32()
274 		if (lwp->lwp_sigaltstack.ss_flags == SS_ONSTACK) {  in savecontext32()
276 			    (caddr32_t)(uintptr_t)lwp->lwp_sigaltstack.ss_sp;  in savecontext32()
278 			    (size32_t)lwp->lwp_sigaltstack.ss_size;  in savecontext32()
292 	if ((rp->r_ps & PS_T) || (lwp->lwp_pcb.pcb_flags & REQUEST_STEP)) {  in savecontext32()
299 		if (!(lwp->lwp_pcb.pcb_flags & REQUEST_NOSTEP)) {  in savecontext32()
300 			lwp->lwp_pcb.pcb_flags |= DEBUG_PENDING;  in savecontext32()
308 	getgregs32(lwp, ucp->uc_mcontext.gregs);  in savecontext32()
309 	if (lwp->lwp_pcb.pcb_fpu.fpu_flags & FPU_EN)  in savecontext32()
310 		getfpregs32(lwp, &ucp->uc_mcontext.fpregs);  in savecontext32()
323 	klwp_t *lwp = ttolwp(curthread);  in getsetcontext32()  local
360 		if ((uc.uc_flags & UC_STACK) && (lwp->lwp_ustack != 0))  in getsetcontext32()
362 			    (stack32_t *)lwp->lwp_ustack, sizeof (uc.uc_stack));  in getsetcontext32()
366 		ustack32 = (caddr32_t)lwp->lwp_ustack;  in getsetcontext32()
374 		lwp->lwp_ustack = (uintptr_t)arg;  in getsetcontext32()