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READELF (1) | General commands | Unix Manual Pages | :man

"NAME"

readelf - Displays information about ELF files.

CONTENTS

"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,=pubnames,=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, --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.
"-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[liaprmfFso]"
"--debug-dump[=line,=info,=abbrev,=pubnames,=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 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 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"


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