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 2019 Joyent, Inc.
15#
16
17DIR=/var/tmp/dtest.$$
18mkdir $DIR
19cd $DIR
20
21cat > foo.c <<EOF
22#include <stdio.h>
23
24void
25foo()
26{
27	printf("in foo\n");
28}
29
30void
31main()
32{
33	foo();
34}
35EOF
36
37if ! gcc -m32 -S -o foo.orig.s foo.c ; then
38	print -u 2 "failed to compile foo in $DIR"
39	exit 1
40fi
41
42#
43# There's the right way, the wrong way, and the Max Power way!
44#
45cat foo.orig.s | sed 's/foo/foø/g' > foo.s
46gcc -m32 -o foo foo.s
47
48if ! dtrace -n 'pid$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
52fi
53
54cd
55rm -rf $DIR
56exit 0
57