65 	struct signal_frame __user *sf;  in do_sigreturn()  local
77 	sf = (struct signal_frame __user *) regs->u_regs[UREG_FP];  in do_sigreturn()
80 	if (!access_ok(VERIFY_READ, sf, sizeof(*sf)))  in do_sigreturn()
83 	if (((unsigned long) sf) & 3)  in do_sigreturn()
86 	err = __get_user(pc,  &sf->info.si_regs.pc);  in do_sigreturn()
87 	err |= __get_user(npc, &sf->info.si_regs.npc);  in do_sigreturn()
94 	err |= __copy_from_user(regs, &sf->info.si_regs, sizeof(struct pt_regs));  in do_sigreturn()
103 	err |= __get_user(fpu_save, &sf->fpu_save);  in do_sigreturn()
106 	err |= __get_user(rwin_save, &sf->rwin_save);  in do_sigreturn()
113 	err |= __get_user(set.sig[0], &sf->info.si_mask);  in do_sigreturn()
114 	err |= __copy_from_user(&set.sig[1], &sf->extramask,  in do_sigreturn()
129 	struct rt_signal_frame __user *sf;  in do_rt_sigreturn()  local
137 	sf = (struct rt_signal_frame __user *) regs->u_regs[UREG_FP];  in do_rt_sigreturn()
138 	if (!access_ok(VERIFY_READ, sf, sizeof(*sf)) ||  in do_rt_sigreturn()
139 	    (((unsigned long) sf) & 0x03))  in do_rt_sigreturn()
142 	err = __get_user(pc, &sf->regs.pc);  in do_rt_sigreturn()
143 	err |= __get_user(npc, &sf->regs.npc);  in do_rt_sigreturn()
146 	err |= __get_user(regs->y, &sf->regs.y);  in do_rt_sigreturn()
147 	err |= __get_user(psr, &sf->regs.psr);  in do_rt_sigreturn()
150 				&sf->regs.u_regs[UREG_G1], 15 * sizeof(u32));  in do_rt_sigreturn()
157 	err |= __get_user(fpu_save, &sf->fpu_save);  in do_rt_sigreturn()
160 	err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t));  in do_rt_sigreturn()
161 	err |= restore_altstack(&sf->stack);  in do_rt_sigreturn()
169 	err |= __get_user(rwin_save, &sf->rwin_save);  in do_rt_sigreturn()
218 	struct signal_frame __user *sf;  in setup_frame()  local
227 	sigframe_size = sizeof(*sf);  in setup_frame()
233 	sf = (struct signal_frame __user *)  in setup_frame()
236 	if (invalid_frame_pointer(sf, sigframe_size)) {  in setup_frame()
241 	tail = sf + 1;  in setup_frame()
244 	err = __copy_to_user(&sf->info.si_regs, regs, sizeof(struct pt_regs));  in setup_frame()
246 	err |= __put_user(0, &sf->extra_size);  in setup_frame()
252 		err |= __put_user(fp, &sf->fpu_save);  in setup_frame()
254 		err |= __put_user(0, &sf->fpu_save);  in setup_frame()
260 		err |= __put_user(rwp, &sf->rwin_save);  in setup_frame()
262 		err |= __put_user(0, &sf->rwin_save);  in setup_frame()
265 	err |= __put_user(oldset->sig[0], &sf->info.si_mask);  in setup_frame()
266 	err |= __copy_to_user(sf->extramask, &oldset->sig[1],  in setup_frame()
269 		err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],  in setup_frame()
275 		err |= __copy_to_user(sf, rp, sizeof(struct reg_window32));  in setup_frame()
281 	regs->u_regs[UREG_FP] = (unsigned long) sf;  in setup_frame()
283 	regs->u_regs[UREG_I1] = (unsigned long) &sf->info;  in setup_frame()
284 	regs->u_regs[UREG_I2] = (unsigned long) &sf->info;  in setup_frame()
294 		regs->u_regs[UREG_I7] = (unsigned long)(&(sf->insns[0]) - 2);  in setup_frame()
297 		err |= __put_user(0x821020d8, &sf->insns[0]);  in setup_frame()
300 		err |= __put_user(0x91d02010, &sf->insns[1]);  in setup_frame()
305 		flush_sig_insns(current->mm, (unsigned long) &(sf->insns[0]));  in setup_frame()
313 	struct rt_signal_frame __user *sf;  in setup_rt_frame()  local
321 	sigframe_size = sizeof(*sf);  in setup_rt_frame()
326 	sf = (struct rt_signal_frame __user *)  in setup_rt_frame()
328 	if (invalid_frame_pointer(sf, sigframe_size)) {  in setup_rt_frame()
333 	tail = sf + 1;  in setup_rt_frame()
334 	err  = __put_user(regs->pc, &sf->regs.pc);  in setup_rt_frame()
335 	err |= __put_user(regs->npc, &sf->regs.npc);  in setup_rt_frame()
336 	err |= __put_user(regs->y, &sf->regs.y);  in setup_rt_frame()
340 	err |= __put_user(psr, &sf->regs.psr);  in setup_rt_frame()
341 	err |= __copy_to_user(&sf->regs.u_regs, regs->u_regs, sizeof(regs->u_regs));  in setup_rt_frame()
342 	err |= __put_user(0, &sf->extra_size);  in setup_rt_frame()
348 		err |= __put_user(fp, &sf->fpu_save);  in setup_rt_frame()
350 		err |= __put_user(0, &sf->fpu_save);  in setup_rt_frame()
356 		err |= __put_user(rwp, &sf->rwin_save);  in setup_rt_frame()
358 		err |= __put_user(0, &sf->rwin_save);  in setup_rt_frame()
360 	err |= __copy_to_user(&sf->mask, &oldset->sig[0], sizeof(sigset_t));  in setup_rt_frame()
363 	err |= __save_altstack(&sf->stack, regs->u_regs[UREG_FP]);  in setup_rt_frame()
366 		err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],  in setup_rt_frame()
372 		err |= __copy_to_user(sf, rp, sizeof(struct reg_window32));  in setup_rt_frame()
375 	err |= copy_siginfo_to_user(&sf->info, &ksig->info);  in setup_rt_frame()
380 	regs->u_regs[UREG_FP] = (unsigned long) sf;  in setup_rt_frame()
382 	regs->u_regs[UREG_I1] = (unsigned long) &sf->info;  in setup_rt_frame()
383 	regs->u_regs[UREG_I2] = (unsigned long) &sf->regs;  in setup_rt_frame()
391 		regs->u_regs[UREG_I7] = (unsigned long)(&(sf->insns[0]) - 2);  in setup_rt_frame()
394 		err |= __put_user(0x821020d8, &sf->insns[0]);  in setup_rt_frame()
397 		err |= __put_user(0x91d02010, &sf->insns[1]);  in setup_rt_frame()
402 		flush_sig_insns(current->mm, (unsigned long) &(sf->insns[0]));  in setup_rt_frame()