usr/src/lib/libc/sparcv9/crt/cerror.s

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1988 AT&T */
  28 /*        All Rights Reserved   */
  29
  30         .file   "cerror.s"
  31
  32 #include "SYS.h"
  33
  34         /*
  35          * All system call wrappers call __cerror on error.
  36          * __cerror is private to libc and must remain so.
  37          * _cerror is exported from libc and is retained
  38          * only for historical reasons.
  39          */
  40         ENTRY2(_cerror,__cerror)
  41         cmp     %o0, ERESTART
  42         be,a,pn %icc, 1f
  43         mov     EINTR, %o0
  44 1:
  45         save    %sp, -SA(MINFRAME), %sp
  46         call    ___errno
  47         nop
  48         st      %i0, [%o0]
  49         restore
  50         retl                            /* return (-1l) */
  51         sub     %g0, 1, %o0
  52
  53         SET_SIZE(_cerror)
  54         SET_SIZE(__cerror)