157 	int err, pid;  in copy_sc_from_user()  local
162 	err = copy_from_user(&sc, from, sizeof(sc));  in copy_sc_from_user()
163 	if (err)  in copy_sc_from_user()
164 		return err;  in copy_sc_from_user()
208 		err = copy_from_user(&fpx,  in copy_sc_from_user()
211 		if (err)  in copy_sc_from_user()
214 		err = convert_fxsr_from_user(&fpx, sc.fpstate);  in copy_sc_from_user()
215 		if (err)  in copy_sc_from_user()
218 		err = restore_fpx_registers(pid, (unsigned long *) &fpx);  in copy_sc_from_user()
219 		if (err < 0) {  in copy_sc_from_user()
222 			       -err);  in copy_sc_from_user()
230 		err = copy_from_user(&fp, sc.fpstate,  in copy_sc_from_user()
232 		if (err)  in copy_sc_from_user()
235 		err = restore_fp_registers(pid, (unsigned long *) &fp);  in copy_sc_from_user()
236 		if (err < 0) {  in copy_sc_from_user()
239 			       -err);  in copy_sc_from_user()
252 	int err, pid;  in copy_sc_to_user()  local
283 	sc.err = fi->error_code;  in copy_sc_to_user()
296 	err = copy_to_user(to, &sc, sizeof(struct sigcontext));  in copy_sc_to_user()
297 	if (err)  in copy_sc_to_user()
306 		err = save_fpx_registers(pid, (unsigned long *) &fpx);  in copy_sc_to_user()
307 		if (err < 0){  in copy_sc_to_user()
309 			       "failed, errno = %d\n", err);  in copy_sc_to_user()
313 		err = convert_fxsr_to_user(to_fp, &fpx);  in copy_sc_to_user()
314 		if (err)  in copy_sc_to_user()
317 		err |= __put_user(fpx.swd, &to_fp->status);  in copy_sc_to_user()
318 		err |= __put_user(X86_FXSR_MAGIC, &to_fp->magic);  in copy_sc_to_user()
319 		if (err)  in copy_sc_to_user()
330 		err = save_fp_registers(pid, (unsigned long *) &fp);  in copy_sc_to_user()
343 	int err = 0;  in copy_ucontext_to_user()  local
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()
348 	return err;  in copy_ucontext_to_user()
378 	int err = 0, sig = ksig->sig;  in setup_signal_stack_sc()  local
390 	err |= __put_user(restorer, &frame->pretcode);  in setup_signal_stack_sc()
391 	err |= __put_user(sig, &frame->sig);  in setup_signal_stack_sc()
392 	err |= copy_sc_to_user(&frame->sc, &frame->fpstate, regs, mask->sig[0]);  in setup_signal_stack_sc()
394 		err |= __copy_to_user(&frame->extramask, &mask->sig[1],  in setup_signal_stack_sc()
404 	err |= __put_user(0xb858, (short __user *)(frame->retcode+0));  in setup_signal_stack_sc()
405 	err |= __put_user(__NR_sigreturn, (int __user *)(frame->retcode+2));  in setup_signal_stack_sc()
406 	err |= __put_user(0x80cd, (short __user *)(frame->retcode+6));  in setup_signal_stack_sc()
408 	if (err)  in setup_signal_stack_sc()
409 		return err;  in setup_signal_stack_sc()
424 	int err = 0, sig = ksig->sig;  in setup_signal_stack_si()  local
435 	err |= __put_user(restorer, &frame->pretcode);  in setup_signal_stack_si()
436 	err |= __put_user(sig, &frame->sig);  in setup_signal_stack_si()
437 	err |= __put_user(&frame->info, &frame->pinfo);  in setup_signal_stack_si()
438 	err |= __put_user(&frame->uc, &frame->puc);  in setup_signal_stack_si()
439 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);  in setup_signal_stack_si()
440 	err |= copy_ucontext_to_user(&frame->uc, &frame->fpstate, mask,  in setup_signal_stack_si()
450 	err |= __put_user(0xb8, (char __user *)(frame->retcode+0));  in setup_signal_stack_si()
451 	err |= __put_user(__NR_rt_sigreturn, (int __user *)(frame->retcode+1));  in setup_signal_stack_si()
452 	err |= __put_user(0x80cd, (short __user *)(frame->retcode+5));  in setup_signal_stack_si()
454 	if (err)  in setup_signal_stack_si()
455 		return err;  in setup_signal_stack_si()
507 	int err = 0, sig = ksig->sig;  in setup_signal_stack_si()  local
518 		err |= copy_siginfo_to_user(&frame->info, &ksig->info);  in setup_signal_stack_si()
519 		if (err)  in setup_signal_stack_si()
524 	err |= __put_user(0, &frame->uc.uc_flags);  in setup_signal_stack_si()
525 	err |= __put_user(0, &frame->uc.uc_link);  in setup_signal_stack_si()
526 	err |= __save_altstack(&frame->uc.uc_stack, PT_REGS_SP(regs));  in setup_signal_stack_si()
527 	err |= copy_sc_to_user(&frame->uc.uc_mcontext, &frame->fpstate, regs,  in setup_signal_stack_si()
529 	err |= __put_user(&frame->fpstate, &frame->uc.uc_mcontext.fpstate);  in setup_signal_stack_si()
531 		err |= __put_user(set->sig[0], &frame->uc.uc_sigmask.sig[0]);  in setup_signal_stack_si()
532 		err |= __put_user(set->sig[1], &frame->uc.uc_sigmask.sig[1]);  in setup_signal_stack_si()
535 		err |= __copy_to_user(&frame->uc.uc_sigmask, set,  in setup_signal_stack_si()
544 		err |= __put_user(ksig->ka.sa.sa_restorer, &frame->pretcode);  in setup_signal_stack_si()
547 		return err;  in setup_signal_stack_si()
549 	if (err)  in setup_signal_stack_si()
550 		return err;  in setup_signal_stack_si()
565 	return err;  in setup_signal_stack_si()