#
# 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 2006 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

#
# Some variants of nm may exec a 64-bit version of themselves. DTrace uses
# libproc (which uses /proc) to find out when the traced process exits, but a
# 32-bit process can't examine a 64-bit one with libproc. The LD_NOEXEC_64
# variable prevents nm from re-execing itself.
#
LD_NOEXEC_64=nono $dtrace -F -s /dev/stdin -c 'nm /bin/ls' stat <<EOF

pid\$target::\$1:entry
{
	self->start = vtimestamp;
}

pid\$target:::entry
/self->start/
{
	trace(vtimestamp - self->start);
}

pid\$target:::return
/self->start/
{
	trace(vtimestamp - self->start);
}

pid\$target::\$1:return
/self->start/
{
	self->start = 0;
	exit(0);
}

syscall:::
/self->start/
{
	trace(vtimestamp - self->start);
}

fbt:::
/self->start/
{
	trace(vtimestamp - self->start);
}
EOF