1 #!/bin/ksh -p
   2 #
   3 # This file and its contents are supplied under the terms of the
   4 # Common Development and Distribution License ("CDDL"), version 1.0.
   5 # You may only use this file in accordance with the terms of version
   6 # 1.0 of the CDDL.
   7 #
   8 # A full copy of the text of the CDDL should have accompanied this
   9 # source.  A copy of the CDDL is also available via the Internet at
  10 # http://www.illumos.org/license/CDDL.
  11 #
  12 
  13 #
  14 # Copyright (c) 2013 Joyent, Inc.  All rights reserved.
  15 #
  16 
  17 DIR=/var/tmp/dtest.$$
  18 mkdir $DIR
  19 cd $DIR
  20 
  21 cat > foo.c <<EOF
  22 #include <stdio.h>
  23 
  24 void
  25 foo()
  26 {
  27         printf("in foo\n");
  28 }
  29 
  30 void
  31 main()
  32 {
  33         foo();
  34 }
  35 EOF
  36 
  37 if ! gcc -m32 -S -o foo.orig.s foo.c ; then
  38         print -u 2 "failed to compile foo in $DIR"
  39         exit 1
  40 fi
  41 
  42 #
  43 # There's the right way, the wrong way, and the Max Power way!
  44 #
  45 cat foo.orig.s | sed 's/foo/foø/g' > foo.s
  46 gcc -o foo foo.s
  47 
  48 if ! dtrace -n 'pid$target:a.out:f*:entry{printf("probefunc: %s\n", \
  49     probefunc)}' -qc ./foo ; then
  50         print -u 2 "dtrace failed in $DIR"
  51         exit 1
  52 fi
  53 
  54 cd
  55 rm -rf $DIR
  56 exit 0