1.\" Copyright (c) 2003 David O'Brien 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd November 5, 2018 28.Dt ELFDUMP 1 29.Os 30.Sh NAME 31.Nm elfdump 32.Nd "display information about" 33.Tn ELF 34files 35.Sh SYNOPSIS 36.Nm 37.Fl a | E | cdeGhinprs 38.Op Fl w Ar file 39.Ar file 40.Sh DESCRIPTION 41The 42.Nm 43utility 44dumps various information about the specified 45.Tn ELF 46.Ar file . 47.Pp 48The options are as follows: 49.Bl -tag -width ".Fl w Ar file" 50.It Fl a 51Dump all information. 52.It Fl c 53Dump section headers. 54.It Fl d 55Dump dynamic symbols. 56.It Fl e 57Dump ELF header. 58.It Fl E 59Return success if 60.Ar file 61is an ELF file and failure if it is not. 62This option is exclusive with other options. 63.It Fl G 64Dump the GOT. 65.It Fl h 66Dump the hash values. 67.It Fl i 68Dump the dynamic interpreter. 69.It Fl n 70Dump note sections. 71.It Fl p 72Dump the program header. 73.It Fl r 74Dump relocations. 75.It Fl s 76Dump the symbol table. 77.It Fl w Ar file 78Write output to a 79.Ar file 80instead of the standard output. 81.El 82.Sh EXIT STATUS 83.Ex -std 84.Sh EXAMPLES 85The following is an example of a typical usage 86of the 87.Nm 88command: 89.Pp 90.Dl "elfdump -a -w output /bin/ls" 91.Sh SEE ALSO 92.Xr objdump 1 , 93.Xr readelf 1 94.Rs 95.%A "AT&T Unix Systems Labs" 96.%T "System V Application Binary Interface" 97.%U http://www.sco.com/developers/gabi/ 98.Re 99.Sh HISTORY 100The 101.Nm 102utility first appeared in 103.Fx 5.0 . 104.Sh AUTHORS 105.An -nosplit 106The 107.Nm 108utility 109was written by 110.An Jake Burkholder Aq Mt jake@FreeBSD.org . 111This 112manual page was written by 113.An David O'Brien Aq Mt obrien@FreeBSD.org . 114.Sh BUGS 115Does not fully implement the 116.Tn ELF 117gABI. 118