usr/src/lib/libc/i386/sys/uname.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  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26         .file   "uname.s"
  27
  28 #include <sys/asm_linkage.h>
  29
  30         ANSI_PRAGMA_WEAK(uname,function)
  31
  32 #include "SYS.h"
  33
  34         .set    UNAME, 0
  35
  36         ENTRY(uname)
  37         pushl   $UNAME          / type
  38         pushl   $0              / mv flag
  39         pushl   12(%esp)        / utsname address (retaddr+$UNAME+0)
  40         subl    $4, %esp        / where return address would be.
  41         SYSTRAP_RVAL1(utssys)
  42         jae     1f
  43         addl    $16, %esp
  44         jmp     __cerror
  45 1:
  46         addl    $16, %esp
  47         ret
  48         SET_SIZE(uname)