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.Dd November 5, 2018 26.Dt ELFDUMP 1 27.Os 28.Sh NAME 29.Nm elfdump 30.Nd "display information about" 31.Tn ELF 32files 33.Sh SYNOPSIS 34.Nm 35.Fl a | E | cdeGhinprs 36.Op Fl w Ar file 37.Ar file 38.Sh DESCRIPTION 39The 40.Nm 41utility 42dumps various information about the specified 43.Tn ELF 44.Ar file . 45.Pp 46The options are as follows: 47.Bl -tag -width ".Fl w Ar file" 48.It Fl a 49Dump all information. 50.It Fl c 51Dump section headers. 52.It Fl d 53Dump dynamic symbols. 54.It Fl e 55Dump ELF header. 56.It Fl E 57Return success if 58.Ar file 59is an ELF file and failure if it is not. 60This option is exclusive with other options. 61.It Fl G 62Dump the GOT. 63.It Fl h 64Dump the hash values. 65.It Fl i 66Dump the dynamic interpreter. 67.It Fl n 68Dump note sections. 69.It Fl p 70Dump the program header. 71.It Fl r 72Dump relocations. 73.It Fl s 74Dump the symbol table. 75.It Fl w Ar file 76Write output to a 77.Ar file 78instead of the standard output. 79.El 80.Sh EXIT STATUS 81.Ex -std 82.Sh EXAMPLES 83The following is an example of a typical usage 84of the 85.Nm 86command: 87.Pp 88.Dl "elfdump -a -w output /bin/ls" 89.Sh SEE ALSO 90.Xr objdump 1 , 91.Xr readelf 1 92.Rs 93.%A "AT&T Unix Systems Labs" 94.%T "System V Application Binary Interface" 95.%U http://www.sco.com/developers/gabi/ 96.Re 97.Sh HISTORY 98The 99.Nm 100utility first appeared in 101.Fx 5.0 . 102.Sh AUTHORS 103.An -nosplit 104The 105.Nm 106utility 107was written by 108.An Jake Burkholder Aq Mt jake@FreeBSD.org . 109This 110manual page was written by 111.An David O'Brien Aq Mt obrien@FreeBSD.org . 112.Sh BUGS 113Does not fully implement the 114.Tn ELF 115gABI. 116