68 stash_usr_regs(struct rt_sigframe __user *sf, struct pt_regs *regs,  in stash_usr_regs()  argument
98 	err = __copy_to_user(&(sf->uc.uc_mcontext.regs.scratch), &uregs.scratch,  in stash_usr_regs()
99 			     sizeof(sf->uc.uc_mcontext.regs.scratch));  in stash_usr_regs()
100 	err |= __copy_to_user(&sf->uc.uc_sigmask, set, sizeof(sigset_t));  in stash_usr_regs()
105 static int restore_usr_regs(struct pt_regs *regs, struct rt_sigframe __user *sf)  in restore_usr_regs()  argument
111 	err = __copy_from_user(&set, &sf->uc.uc_sigmask, sizeof(set));  in restore_usr_regs()
113 				&(sf->uc.uc_mcontext.regs.scratch),  in restore_usr_regs()
114 				sizeof(sf->uc.uc_mcontext.regs.scratch));  in restore_usr_regs()
156 	struct rt_sigframe __user *sf;  in SYSCALL_DEFINE0()  local
170 	sf = (struct rt_sigframe __force __user *)(regs->sp);  in SYSCALL_DEFINE0()
172 	if (!access_ok(VERIFY_READ, sf, sizeof(*sf)))  in SYSCALL_DEFINE0()
175 	if (__get_user(magic, &sf->sigret_magic))  in SYSCALL_DEFINE0()
179 		if (restore_altstack(&sf->uc.uc_stack))  in SYSCALL_DEFINE0()
182 	if (restore_usr_regs(regs, sf))  in SYSCALL_DEFINE0()
231 	struct rt_sigframe __user *sf;  in setup_rt_frame()  local
235 	sf = get_sigframe(ksig, regs, sizeof(struct rt_sigframe));  in setup_rt_frame()
236 	if (!sf)  in setup_rt_frame()
246 	err |= stash_usr_regs(sf, regs, set);  in setup_rt_frame()
255 		err |= copy_siginfo_to_user(&sf->info, &ksig->info);  in setup_rt_frame()
256 		err |= __put_user(0, &sf->uc.uc_flags);  in setup_rt_frame()
257 		err |= __put_user(NULL, &sf->uc.uc_link);  in setup_rt_frame()
258 		err |= __save_altstack(&sf->uc.uc_stack, regs->sp);  in setup_rt_frame()
261 		regs->r1 = (unsigned long)&sf->info;  in setup_rt_frame()
262 		regs->r2 = (unsigned long)&sf->uc;  in setup_rt_frame()
271 	err |= __put_user(magic, &sf->sigret_magic);  in setup_rt_frame()
291 	regs->sp = (unsigned long)sf;  in setup_rt_frame()