72 	struct rt_sigframe __user *frame;  in SYSCALL_DEFINE0()  local
78 	frame = (struct rt_sigframe __user *)regs->usp;  in SYSCALL_DEFINE0()
80 	if (!access_ok(frame, sizeof(*frame)))  in SYSCALL_DEFINE0()
83 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))  in SYSCALL_DEFINE0()
88 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext))  in SYSCALL_DEFINE0()
91 	if (restore_altstack(&frame->uc.uc_stack))  in SYSCALL_DEFINE0()
101 static int setup_sigcontext(struct rt_sigframe __user *frame,  in setup_sigcontext()  argument
104 	struct sigcontext __user *sc = &frame->uc.uc_mcontext;  in setup_sigcontext()
139 	struct rt_sigframe __user *frame;  in setup_rt_frame()  local
142 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()
143 	if (!access_ok(frame, sizeof(*frame)))  in setup_rt_frame()
146 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);  in setup_rt_frame()
149 	err |= __put_user(0, &frame->uc.uc_flags);  in setup_rt_frame()
150 	err |= __put_user(NULL, &frame->uc.uc_link);  in setup_rt_frame()
151 	err |= __save_altstack(&frame->uc.uc_stack, regs->usp);  in setup_rt_frame()
152 	err |= setup_sigcontext(frame, regs);  in setup_rt_frame()
153 	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));  in setup_rt_frame()
169 	regs->usp = (unsigned long)frame;  in setup_rt_frame()
171 	regs->a1  = (unsigned long)(&(frame->info));	/* a1: siginfo pointer */  in setup_rt_frame()
172 	regs->a2  = (unsigned long)(&(frame->uc));	/* a2: ucontext pointer */  in setup_rt_frame()