usr/src/lib/libc/common/sys/exit.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   "exit.s"
  31
  32 /* C library -- _exit
  33  *
  34  * void _exit(int status)
  35  * void _Exit(int status)   -- added for SUSv3 standard
  36  *
  37  * code is return in r0 to system
  38  * Same as plain exit, for user who want to define their own exit.
  39  *
  40  * _Exit() has been implemented as a weak symbol of _exit().
  41  * This is the cheapest way to get a duplicate symbol of _exit()
  42  * which is all that is required.  To the dynamic linker there
  43  * is no difference between a strong and weak symbol.
  44  */
  45
  46 #include "SYS.h"
  47
  48         ANSI_PRAGMA_WEAK2(_Exit,_exit,function)
  49         ENTRY(_exit)
  50         SYSTRAP_RVAL1(exit)
  51         SET_SIZE(_exit)