usr/src/cmd/dtrace/test/tst/i386/pid/tst.ret.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 2007 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <sys/asm_linkage.h>
  30
  31         DGDEF(__fsr_init_value)
  32         .long 0
  33
  34         ENTRY(ret1)
  35         ret
  36         SET_SIZE(ret1)
  37
  38         ENTRY(ret2)
  39         repz
  40         ret
  41         SET_SIZE(ret2)
  42
  43         ENTRY(ret3)
  44         ret     $0
  45         SET_SIZE(ret3)
  46
  47         ENTRY(ret4)
  48         repz
  49         ret     $0
  50         SET_SIZE(ret4)
  51
  52         ENTRY(ret5)
  53         pushl   (%esp)
  54         ret     $4
  55         SET_SIZE(ret5)
  56
  57         ENTRY(ret6)
  58         pushl   (%esp)
  59         repz
  60         ret     $4
  61         SET_SIZE(ret6)
  62
  63         ENTRY(waiting)
  64         pushl   %ebp
  65         movl    %esp, %ebp
  66         movl    8(%ebp), %eax
  67         movl    (%eax), %eax
  68         movl    %ebp, %esp
  69         popl    %ebp
  70         ret
  71         SET_SIZE(waiting)
  72
  73         ENTRY(main)
  74         pushl   %ebp
  75         movl    %esp, %ebp
  76         subl    $0x4, %esp
  77         movl    $0x0, -4(%ebp)
  78
  79 1:
  80         leal    -4(%ebp), %eax
  81         pushl   %eax
  82         call    waiting
  83         addl    $0x4, %esp
  84
  85         testl   %eax, %eax
  86         jz      1b
  87
  88         movl    %esp, %esi
  89
  90         call    ret1
  91         call    ret2
  92         call    ret3
  93         call    ret4
  94         call    ret5
  95         call    ret6
  96
  97         cmpl    %esp, %esi
  98         jne     1f
  99
 100         ALTENTRY(done)
 101         nop
 102         SET_SIZE(done)
 103
 104         movl    $0, %eax
 105         movl    %ebp, %esp
 106         popl    %ebp
 107         ret
 108
 109 1:
 110         movl    $1, %eax
 111         movl    %ebp, %esp
 112         popl    %ebp
 113         ret
 114         SET_SIZE(main)