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READELF(1) GNU Development Tools READELF(1)
NAME
readelf - Displays information about ELF files.
SYNOPSIS
readelf [-a│--all]
[-h│--file-header]
[-l│--program-headers│--segments]
[-S│--section-headers│--sections]
[-e│--headers]
[-s│--syms│--symbols]
[-n│--notes]
[-r│--relocs]
[-u│--unwind]
[-d│--dynamic]
[-V│--version-info]
[-A│--arch-specific]
[-D│--use-dynamic]
[-x <number>│--hex-dump=<number>]
[-w[liaprmfFsoR]│
--debug-dump[=line,=info,=abbrev,=pub-
names,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges]]
[-I│-histogram]
[-v│--version]
[-W│--wide]
[-H│--help]
elffile...
DESCRIPTION
readelf displays information about one or more ELF format object files. The
options control what particular information to display.
elffile... are the object files to be examined. 32-bit and 64-bit ELF files are
supported, as are archives containing ELF files.
This program performs a similar function to objdump but it goes into more detail
and it exists independently of the BFD library, so if there is a bug in BFD then
readelf will not be affected.
OPTIONS
The long and short forms of options, shown here as alternatives, are equivalent.
At least one option besides -v or -H must be given.
-a
--all
Equivalent to specifiying --file-header, --program-headers, --sections, --sym-
bols, --relocs, --dynamic, --notes and --version-info.
-h
--file-header
Displays the information contained in the ELF header at the start of the file.
-l
--program-headers
--segments
Displays the information contained in the file’s segment headers, if it has
any.
-S
--sections
--section-headers
Displays the information contained in the file’s section headers, if it has
any.
-s
--symbols
--syms
Displays the entries in symbol table section of the file, if it has one.
-e
--headers
Display all the headers in the file. Equivalent to -h -l -S.
-n
--notes
Displays the contents of the NOTE segments and/or sections, if any.
-r
--relocs
Displays the contents of the file’s relocation section, if it has one.
-u
--unwind
Displays the contents of the file’s unwind section, if it has one. Only the
unwind sections for IA64 ELF files are currently supported.
-u
--unwind
Displays the contents of the file’s unwind section, if it has one. Only the
unwind sections for IA64 ELF files are currently supported.
-d
--dynamic
Displays the contents of the file’s dynamic section, if it has one.
-V
--version-info
Displays the contents of the version sections in the file, it they exist.
-A
--arch-specific
Displays architecture-specific information in the file, if there is any.
-D
--use-dynamic
When displaying symbols, this option makes readelf use the symbol table in the
file’s dynamic section, rather than the one in the symbols section.
-x <number>
--hex-dump=<number>
Displays the contents of the indicated section as a hexadecimal dump.
-w[liaprmfFsoR]
--debug-dump[=line,=info,=abbrev,=pub-
names,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges]
Displays the contents of the debug sections in the file, if any are present.
If one of the optional letters or words follows the switch then only data found
in those specific sections will be dumped.
-I
--histogram
Display a histogram of bucket list lengths when displaying the contents of the
symbol tables.
-v
--version
Display the version number of readelf.
-W
--wide
Don’t break output lines to fit into 80 columns. By default readelf breaks sec-
tion header and segment listing lines for 64-bit ELF files, so that they fit
into 80 columns. This option causes readelf to print each section header resp.
each segment one a single line, which is far more readable on terminals wider
than 80 columns.
-H
--help
Display the command line options understood by readelf.
SEE ALSO
objdump(1), and the Info entries for binutils.
COPYRIGHT
Copyright (c) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
2002, 2003, 2004 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document under the
terms of the GNU Free Documentation License, Version 1.1 or any later version pub-
lished by the Free Software Foundation; with no Invariant Sections, with no Front-
Cover Texts, and with no Back-Cover Texts. A copy of the license is included in
the section entitled ‘‘GNU Free Documentation License’’.
binutils-2.15.94.0.2.2 2005-06-29 READELF(1)
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Under GNU General Public License
2009-01-10 10:05 @38.103.63.58 CrawledBy CCBot/1.0 (+http://www.commoncrawl.org/bot.html)