2014-01-15 08:43:20 +00:00
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.\" Copyright (c) 2003 David O'Brien
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD: src/usr.bin/elfdump/elfdump.1,v 1.6 2005/01/18 13:43:48 ru Exp $
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2015-10-09 16:43:36 +00:00
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.\" $Id: elfdump.1 3231 2015-07-30 13:47:56Z emaste $
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2014-01-15 08:43:20 +00:00
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.\"
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.Dd August 25, 2011
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.Dt ELFDUMP 1
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.Os
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.Sh NAME
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.Nm elfdump
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.Nd "display information about"
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.Tn ELF
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files
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.Sh SYNOPSIS
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.Nm
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.Fl a | cdeGhiknprsv
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.Op Fl S
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.Op Fl V
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.Op Fl N Ar name
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.Op Fl w Ar file
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.Ar file ...
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.Sh DESCRIPTION
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The
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.Nm
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utility
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dumps various information about the specified
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.Tn ELF
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.Ar file .
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.Pp
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The options are as follows:
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.Bl -tag -width ".Fl w Ar file"
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.It Fl a
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Dump all information.
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.It Fl c
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2015-10-09 16:43:36 +00:00
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Dump section headers.
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2014-01-15 08:43:20 +00:00
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.It Fl d
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Dump dynamic symbols.
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.It Fl e
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Dump ELF header.
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.It Fl G
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Dump the GOT.
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.It Fl h
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Dump the hash values.
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.It Fl i
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Dump the dynamic interpreter.
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.It Fl k
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Dump the ELF checksum.
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.It Fl n
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Dump note sections.
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.It Fl N Ar name
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Only dump the section with the specific
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.Ar name .
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Archive symbol table can be specified with
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the special section name ARSYM.
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More than one
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.Fl N
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option may appear.
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.It Fl p
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Dump the program header.
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.It Fl r
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Dump relocations.
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.It Fl s
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Dump the symbol table.
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.It Fl S
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Output in the Solaris
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.Nm
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format.
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.It Fl v
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Dump the symbol-versioning sections.
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.It Fl V
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Print a version identifier and exit.
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.It Fl w Ar file
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Write output to a
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.Ar file
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instead of the standard output.
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.El
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.Sh EXIT STATUS
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.Ex -std
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.Sh EXAMPLES
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The following is an example of a typical usage
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of the
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.Nm
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command:
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.Pp
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.Dl "elfdump -a -w output /bin/ls"
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.Pp
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To dump the content of '.dynsym' symbol table:
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.Pp
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.Dl "elfdump -s -N .dynsym /bin/ls"
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.Pp
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To dump the archive symbol table,
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but not the symbol tables of archive members:
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.Pp
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.Dl "elfdump -s -N ARSYM /usr/lib/libelf.a"
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.Pp
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To dump the content of .got section and
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the symbol-versioning sections in Solaris
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.Nm
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format:
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.Pp
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.Dl "elfdump -S -Gv /bin/ls"
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.Sh SEE ALSO
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.Xr objdump 1 ,
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.Xr readelf 1 ,
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.Xr elf 3
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.Rs
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.%A "AT&T Unix Systems Labs"
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.%T "System V Application Binary Interface"
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.%O http://www.sco.com/developers/gabi/
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.Re
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Fx 5.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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utility
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was written by
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2015-05-14 17:48:57 +00:00
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.An Jake Burkholder Aq Mt jake@FreeBSD.org .
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2014-01-15 08:43:20 +00:00
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Later it was rewritten based on the
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libelf library.
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This
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manual page was written by
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2015-05-14 17:48:57 +00:00
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.An David O'Brien Aq Mt obrien@FreeBSD.org .
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2014-01-15 08:43:20 +00:00
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.Pp
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2015-05-14 17:48:57 +00:00
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.An Kai Wang Aq Mt kaiw@FreeBSD.org
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2014-01-15 08:43:20 +00:00
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rewrote it using the
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.Lb libelf
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and implemented additional functionality.
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.Sh BUGS
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Does not fully implement the
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.Tn ELF
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gABI.
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