1999-08-28 23:23:38 +00:00
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.\" $FreeBSD$
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.\"
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1993-11-03 23:41:59 +00:00
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.Dd October 22, 1993
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.Dt LDD 1
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1994-12-23 22:31:35 +00:00
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.Os FreeBSD
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1993-11-03 23:41:59 +00:00
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.Sh NAME
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.Nm ldd
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.Nd list dynamic object dependencies
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.Sh SYNOPSIS
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.Nm ldd
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1996-10-01 02:16:16 +00:00
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.Op Fl v
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1996-11-30 16:12:46 +00:00
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.Op Fl f Ar format
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1996-10-01 01:34:32 +00:00
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.Ar program ...
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1993-11-03 23:41:59 +00:00
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.Sh DESCRIPTION
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.Nm ldd
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displays all shared objects that are needed to run the given program.
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Contrary to nm(1), the list includes
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.Dq indirect
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1997-08-30 12:22:49 +00:00
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dependencies that are the result of needed shared objects which themselves
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1993-11-03 23:41:59 +00:00
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depend on yet other shared objects.
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1996-10-01 01:34:32 +00:00
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.Pp
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Zero, one or two
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.Fl f
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options may be given. The argument is a format string passed to
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.Xr rtld 1
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and allows customization of
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.Nm ldd Ns 's
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output. See
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.Xr rtld 1
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1997-12-25 09:36:42 +00:00
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for a list of recognized conversion characters.
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1996-10-01 02:16:16 +00:00
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.Pp
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The
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.Fl v
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option displays an verbose listing of the dynamic linking headers
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encoded in the executable. See the source code and include
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files for the definitive meaning of all the fields.
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1993-11-03 23:41:59 +00:00
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.Sh SEE ALSO
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.Xr ld 1 ,
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1994-12-23 22:31:35 +00:00
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.Xr ld.so 1 ,
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1993-11-03 23:41:59 +00:00
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.Xr nm 1
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.Sh HISTORY
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A
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.Nm ldd
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utility first appeared in SunOS 4.0, it appeared in its current form
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1994-02-11 12:12:51 +00:00
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in FreeBSD 1.1.
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1996-10-01 02:16:16 +00:00
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.Pp
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The
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.Fl v
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support is based on code written by John Polstra <jdp@polstra.com>
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