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ISBN : 978-2-7460-9712-4
EAN : 9782746097124
(Editions ENI)

GNU/Linux

CentOS 2.1AS

(Slurm)

readelf(1)


READELF.1

READELF.1

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
SEE ALSO
COPYRIGHT

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]
[ −D ⎪ −−use-dynamic]
[ −x <number> ⎪ −−hex-dump=<number>]
[ −w[liaprf] ⎪ −−debug-dump[=info,=line,=abbrev,=pubnames,=ranges,=frames]]
[ −−histogram]
[ −v ⎪ −−version]
[ −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. At the moment, "readelf" does not support examining archives, nor does it support examing 64 bit ELF files.

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, --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 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.

""−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[liaprf]""
""−−debug−dump[=line,=info,=abbrev,=pubnames,=ranges,=frames]""

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.

""−−histogram""

Display a histogram of bucket list lengths when displaying the contents of the symbol tables.

""−v""
""−−version""

Display the version number of readelf.

""−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 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".



readelf(1)