122 	struct compat_rt_sigframe __user *frame;  in COMPAT_SYSCALL_DEFINE0()  local
129 	frame = (struct compat_rt_sigframe __user *)regs->sp;  in COMPAT_SYSCALL_DEFINE0()
131 	if (!access_ok(frame, sizeof(*frame)))  in COMPAT_SYSCALL_DEFINE0()
134 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))  in COMPAT_SYSCALL_DEFINE0()
139 	if (compat_restore_sigcontext(regs, &frame->uc.uc_mcontext))  in COMPAT_SYSCALL_DEFINE0()
142 	if (compat_restore_altstack(&frame->uc.uc_stack))  in COMPAT_SYSCALL_DEFINE0()
153 			frame, (void *)regs->epc, (void *)regs->sp);  in COMPAT_SYSCALL_DEFINE0()
159 static long compat_setup_sigcontext(struct compat_rt_sigframe __user *frame,  in compat_setup_sigcontext()  argument
162 	struct compat_sigcontext __user *sc = &frame->uc.uc_mcontext;  in compat_setup_sigcontext()
202 	struct compat_rt_sigframe __user *frame;  in compat_setup_rt_frame()  local
205 	frame = compat_get_sigframe(ksig, regs, sizeof(*frame));  in compat_setup_rt_frame()
206 	if (!access_ok(frame, sizeof(*frame)))  in compat_setup_rt_frame()
209 	err |= copy_siginfo_to_user32(&frame->info, &ksig->info);  in compat_setup_rt_frame()
212 	err |= __put_user(0, &frame->uc.uc_flags);  in compat_setup_rt_frame()
213 	err |= __put_user(NULL, &frame->uc.uc_link);  in compat_setup_rt_frame()
214 	err |= __compat_save_altstack(&frame->uc.uc_stack, regs->sp);  in compat_setup_rt_frame()
215 	err |= compat_setup_sigcontext(frame, regs);  in compat_setup_rt_frame()
216 	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));  in compat_setup_rt_frame()
231 	regs->sp = (unsigned long)frame;  in compat_setup_rt_frame()
233 	regs->a1 = (unsigned long)(&frame->info); /* a1: siginfo pointer */  in compat_setup_rt_frame()
234 	regs->a2 = (unsigned long)(&frame->uc);   /* a2: ucontext pointer */  in compat_setup_rt_frame()
239 		(void *)regs->epc, (void *)regs->ra, frame);  in compat_setup_rt_frame()