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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[liaprmfFso]|
--debug-dump[=line,=info,=abbrev,=pub-
names,=ranges,=macro,=frames,=frames-interp,=str,=loc]]
[-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, --sec-
tions, --symbols, --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 segment, if it exists.
-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 sup-
ported.
-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 sup-
ported.
-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[liaprmfFso]
--debug-dump[=line,=info,=abbrev,=pub-
names,=ranges,=macro,=frames,=frames-interp,=str,=loc]
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 con-
tents 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 section 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, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001, 2002,
2003 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 published 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-2.14.91 2004-04-09 READELF(1)
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This page was generated on Wed Sep 19 19:57:56 BST 2007
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