common/usdt/tst.entryreturn.ksh

	tst.entryreturn.ksh revision c090e5dfb10cc96e71e6b0f55bf98c18027b002c
#
# 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 2007 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

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

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

mkdir $DIR
cd $DIR

cat > test.c <<EOF
#include <sys/sdt.h>

int
main(int argc, char **argv)
{
    DTRACE_PROBE(test_prov, entry);
    DTRACE_PROBE(test_prov, __entry);
    DTRACE_PROBE(test_prov, foo__entry);
    DTRACE_PROBE(test_prov, carpentry);
    DTRACE_PROBE(test_prov, miniatureturn);
    DTRACE_PROBE(test_prov, foo__return);
    DTRACE_PROBE(test_prov, __return);
    /*
     * Unfortunately, a "return" probe is not currently possible due to
     * the conflict with a reserved word.
     */
    DTRACE_PROBE(test_prov, done);
}
EOF

cat > prov.d <<EOF
provider test_prov {
    probe entry();
    probe __entry();
    probe foo__entry();
    probe carpentry();
    probe miniatureturn();
    probe foo__return();
    probe __return();
    probe done();
};
EOF

gcc -c 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
gcc -o test test.o prov.o
if [ $? -ne 0 ]; then
    print -u2 "failed to link final executable"
    exit 1
fi

script()
{
    $dtrace -wqZFs /dev/stdin <<EOF
    BEGIN
    {
        system("$DIR/test");
        printf("\n");
    }

    test_prov*:::done
    /progenyof(\$pid)/
    {
        exit(0);
    }

    test_prov*:::
    /progenyof(\$pid)/
    {
        printf("\n");
    }
EOF
}

script | cut -c5-
status=$?

cd /
/usr/bin/rm -rf $DIR

exit $status