#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#

#
# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
#ident	"%Z%%M%	%I%	%E% SMI"

#
# This test is primarily intended to verify a fix for SPARC, but there's no
# harm in running it on other platforms. Here, we verify that is-enabled
# probes don't interfere with return values from previously invoked functions.
#

if [ $# != 1 ]; then
	echo expected one argument: '<'dtrace-path'>'
	exit 2
fi

dtrace=$1
DIR=/var/tmp/dtest.$$

mkdir $DIR
cd $DIR

cat > prov.d <<EOF
provider test_prov {
	probe go();
};
EOF

$dtrace -h -s prov.d
if [ $? -ne 0 ]; then
	print -u2 "failed to generate header file"
	exit 1
fi

cat > test.c <<EOF
#include <stdio.h>
#include "prov.h"

int
foo(void)
{
	return (24);
}

int
main(int argc, char **argv)
{
	int a = foo();
	if (TEST_PROV_GO_ENABLED()) {
		TEST_PROV_GO();
	}
	(void) printf("%d %d %d\n", a, a, a);

	return (0);
}
EOF

cc -c -xO2 test.c
if [ $? -ne 0 ]; then
	print -u2 "failed to compile test.c"
	exit 1
fi
$dtrace -G -32 -s prov.d test.o
if [ $? -ne 0 ]; then
	print -u2 "failed to create DOF"
	exit 1
fi
cc -o test test.o prov.o
if [ $? -ne 0 ]; then
	print -u2 "failed to link final executable"
	exit 1
fi

script()
{
	./test

	$dtrace -c ./test -qs /dev/stdin <<EOF
	test_prov\$target:::
	{
	}
EOF
}

script
status=$?

cd /
/bin/rm -rf $DIR

exit $status
