66 stash_usr_regs(struct rt_sigframe __user *sf, struct pt_regs *regs,  in stash_usr_regs()  argument
70 	err = __copy_to_user(&(sf->uc.uc_mcontext.regs.scratch), regs,  in stash_usr_regs()
71 			     sizeof(sf->uc.uc_mcontext.regs.scratch));  in stash_usr_regs()
72 	err |= __copy_to_user(&sf->uc.uc_sigmask, set, sizeof(sigset_t));  in stash_usr_regs()
77 static int restore_usr_regs(struct pt_regs *regs, struct rt_sigframe __user *sf)  in restore_usr_regs()  argument
82 	err = __copy_from_user(&set, &sf->uc.uc_sigmask, sizeof(set));  in restore_usr_regs()
86 	err |= __copy_from_user(regs, &(sf->uc.uc_mcontext.regs.scratch),  in restore_usr_regs()
87 				sizeof(sf->uc.uc_mcontext.regs.scratch));  in restore_usr_regs()
102 	struct rt_sigframe __user *sf;  in SYSCALL_DEFINE0()  local
116 	sf = (struct rt_sigframe __force __user *)(regs->sp);  in SYSCALL_DEFINE0()
118 	if (!access_ok(VERIFY_READ, sf, sizeof(*sf)))  in SYSCALL_DEFINE0()
121 	if (__get_user(magic, &sf->sigret_magic))  in SYSCALL_DEFINE0()
125 		if (restore_altstack(&sf->uc.uc_stack))  in SYSCALL_DEFINE0()
128 	if (restore_usr_regs(regs, sf))  in SYSCALL_DEFINE0()
177 	struct rt_sigframe __user *sf;  in setup_rt_frame()  local
181 	sf = get_sigframe(ksig, regs, sizeof(struct rt_sigframe));  in setup_rt_frame()
182 	if (!sf)  in setup_rt_frame()
192 	err |= stash_usr_regs(sf, regs, set);  in setup_rt_frame()
201 		err |= copy_siginfo_to_user(&sf->info, &ksig->info);  in setup_rt_frame()
202 		err |= __put_user(0, &sf->uc.uc_flags);  in setup_rt_frame()
203 		err |= __put_user(NULL, &sf->uc.uc_link);  in setup_rt_frame()
204 		err |= __save_altstack(&sf->uc.uc_stack, regs->sp);  in setup_rt_frame()
207 		regs->r1 = (unsigned long)&sf->info;  in setup_rt_frame()
208 		regs->r2 = (unsigned long)&sf->uc;  in setup_rt_frame()
217 	err |= __put_user(magic, &sf->sigret_magic);  in setup_rt_frame()
237 	regs->sp = (unsigned long)sf;  in setup_rt_frame()