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readelf

readelf [ -a | --all ] 
        [ -h | --file-header]
        [ -l | --program-headers | --segments]
        [ -S | --section-headers | --sections]
        [ -s | --symbols]
        [ -r | --relocs]
        [ -d | --dynamic]
        [ -V | --version-info]
        [ -D | --use-dynamic]
        [ -x <number> | --hex-dump=<number>]
        [ -v | --version]
        [ -H | --help]
        elffile...

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.

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' 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

Displays the information contained in the file's section headers, if it has any.

-s

--symbols

Displays the entries in symbol table section of the file, if it has one.

-r

--relocs

Displays the contents of the file's relocation section, if it ha one.

-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 symblol 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.

-v

--version

Display the version number of readelf.

-H

--help

Display the command line options understood by readelf.

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