339 static int copy_ucontext_to_user(struct ucontext __user *uc,  in copy_ucontext_to_user()  argument
345 	err |= __save_altstack(&uc->uc_stack, sp);  in copy_ucontext_to_user()
346 	err |= copy_sc_to_user(&uc->uc_mcontext, fp, &current->thread.regs, 0);  in copy_ucontext_to_user()
347 	err |= copy_to_user(&uc->uc_sigmask, set, sizeof(*set));  in copy_ucontext_to_user()
368 	struct ucontext uc;  member
438 	err |= __put_user(&frame->uc, &frame->puc);  in setup_signal_stack_si()
440 	err |= copy_ucontext_to_user(&frame->uc, &frame->fpstate, mask,  in setup_signal_stack_si()
461 	PT_REGS_CX(regs) = (unsigned long) &frame->uc;  in setup_signal_stack_si()
496 	struct ucontext uc;  member
523 	err |= __put_user(0, &frame->uc.uc_flags);  in setup_signal_stack_si()
524 	err |= __put_user(0, &frame->uc.uc_link);  in setup_signal_stack_si()
525 	err |= __save_altstack(&frame->uc.uc_stack, PT_REGS_SP(regs));  in setup_signal_stack_si()
526 	err |= copy_sc_to_user(&frame->uc.uc_mcontext, &frame->fpstate, regs,  in setup_signal_stack_si()
531 	err |= __put_user(fp_to, &frame->uc.uc_mcontext.fpstate);  in setup_signal_stack_si()
533 		err |= __put_user(set->sig[0], &frame->uc.uc_sigmask.sig[0]);  in setup_signal_stack_si()
534 		err |= __put_user(set->sig[1], &frame->uc.uc_sigmask.sig[1]);  in setup_signal_stack_si()
537 		err |= __copy_to_user(&frame->uc.uc_sigmask, set,  in setup_signal_stack_si()
565 	PT_REGS_DX(regs) = (unsigned long) &frame->uc;  in setup_signal_stack_si()
577 	struct ucontext __user *uc = &frame->uc;  in sys_rt_sigreturn()  local
580 	if (copy_from_user(&set, &uc->uc_sigmask, sizeof(set)))  in sys_rt_sigreturn()
585 	if (copy_sc_from_user(&current->thread.regs, &uc->uc_mcontext))  in sys_rt_sigreturn()