(binutils.info) readelf

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 readelf
 *******
 
      readelf [ -a | --all ]
              [ -h | --file-header]
              [ -l | --program-headers | --segments]
              [ -S | --section-headers | --sections]
              [ -e | --headers]
              [ -s | --syms | --symbols]
              [ -n | --notes]
              [ -r | --relocs]
              [ -d | --dynamic]
              [ -V | --version-info]
              [ -D | --use-dynamic]
              [ -x <number> | --hex-dump=<number>]
              [ -w[liapr] | --debug-dump[=info,=line,=abbrev,=pubnames,=ranges]]
              [      --histogram]
              [ -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', `--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 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
      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[liapr]'
 `--debug-dump[=line,=info,=abbrev,=pubnames,=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.
 
 `--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'.
 

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