1.\" $NetBSD: ldd.1,v 1.6 2001/12/20 06:43:00 thorpej Exp $ 2.\" 3.\" Copyright (c) 1998 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Paul Kranenburg. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the NetBSD 20.\" Foundation, Inc. and its contributors. 21.\" 4. Neither the name of The NetBSD Foundation nor the names of its 22.\" contributors may be used to endorse or promote products derived 23.\" from this software without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35.\" POSSIBILITY OF SUCH DAMAGE. 36.\" 37.Dd December 19, 2001 38.Dt LDD 1 39.Os 40.Sh NAME 41.Nm ldd 42.Nd list dynamic object dependencies 43.Sh SYNOPSIS 44.Nm 45.Op Fl f Ar format 46.Ar program ... 47.Sh DESCRIPTION 48.Nm 49displays all shared objects that are needed to run the given program. 50Contrary to 51.Xr nm 1 , 52the list includes 53.Dq indirect 54depedencies that are the result of needed shared objects which themselves 55depend on yet other shared objects. 56Zero, one or two 57.Fl f 58options may be given. The argument is a format string passed to 59.Xr rtld 1 60and allows customization of 61.Nm ldd Ns 's 62output. 63See 64.Xr rtld 1 65for a list of recognised conversion characters. 66.Sh SEE ALSO 67.Xr ld 1 , 68.Xr ld.so 1 , 69.Xr ld.elf_so 1 , 70.Xr nm 1 71.Sh HISTORY 72A 73.Nm 74utility first appeared in SunOS 4.0, it appeared in its current form 75in 76.Nx 0.9a . 77