usr/src/cmd/dtrace/test/tst/common/vars/tst.ucaller.ksh

   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 # ident "%Z%%M% %I%     %E% SMI"
  27
  28 #
  29 # This test is a bit naughty; it's assuming that ld.so.1 has an implementation
  30 # of calloc(3C), and that it's implemented in terms of the ld.so.1
  31 # implementation of malloc(3C).  If you're reading this comment because
  32 # those assumptions have become false, please accept my apologies...
  33 #
  34 if [ $# != 1 ]; then
  35         echo expected one argument: '<'dtrace-path'>'
  36         exit 2
  37 fi
  38
  39 dtrace=$1
  40
  41 $dtrace -qs /dev/stdin -c "/usr/bin/echo" <<EOF
  42 pid\$target:ld.so.1:calloc:entry
  43 {
  44         self->calloc = 1;
  45 }
  46
  47 pid\$target:ld.so.1:malloc:entry
  48 /self->calloc/
  49 {
  50         @[umod(ucaller), ufunc(ucaller)] = count();
  51 }
  52
  53 pid\$target:ld.so.1:calloc:return
  54 /self->calloc/
  55 {
  56         self->calloc = 0;
  57 }
  58
  59 END
  60 {
  61         printa("%A %A\n", @);
  62 }
  63 EOF
  64
  65 exit 0