# Eli Bendersky (eliben@gmail.com)
# This code is in the public domain
#-------------------------------------------------------------------------------
+import argparse
import os, sys
-from optparse import OptionParser
import string
# For running from development directory. It should take precedence over the
SCRIPT_DESCRIPTION = 'Display information about the contents of ELF format files'
-VERSION_STRING = '%%prog: based on pyelftools %s' % __version__
+VERSION_STRING = '%%(prog)s: based on pyelftools %s' % __version__
def main(stream=None):
# parse the command-line arguments and invoke ReadElf
- optparser = OptionParser(
- usage='usage: %prog [options] <elf-file>',
+ argparser = argparse.ArgumentParser(
+ usage='usage: %(prog)s [options] <elf-file>',
description=SCRIPT_DESCRIPTION,
- add_help_option=False, # -h is a real option of readelf
- prog='readelf.py',
- version=VERSION_STRING)
- optparser.add_option('-d', '--dynamic',
+ add_help=False, # -h is a real option of readelf
+ prog='readelf.py')
+ argparser.add_argument('file',
+ nargs='?', default=None,
+ help='ELF file to parse')
+ argparser.add_argument('-v', '--version',
+ action='version', version=VERSION_STRING)
+ argparser.add_argument('-d', '--dynamic',
action='store_true', dest='show_dynamic_tags',
help='Display the dynamic section')
- optparser.add_option('-H', '--help',
+ argparser.add_argument('-H', '--help',
action='store_true', dest='help',
help='Display this information')
- optparser.add_option('-h', '--file-header',
+ argparser.add_argument('-h', '--file-header',
action='store_true', dest='show_file_header',
help='Display the ELF file header')
- optparser.add_option('-l', '--program-headers', '--segments',
+ argparser.add_argument('-l', '--program-headers', '--segments',
action='store_true', dest='show_program_header',
help='Display the program headers')
- optparser.add_option('-S', '--section-headers', '--sections',
+ argparser.add_argument('-S', '--section-headers', '--sections',
action='store_true', dest='show_section_header',
help="Display the sections' headers")
- optparser.add_option('-e', '--headers',
+ argparser.add_argument('-e', '--headers',
action='store_true', dest='show_all_headers',
help='Equivalent to: -h -l -S')
- optparser.add_option('-s', '--symbols', '--syms',
+ argparser.add_argument('-s', '--symbols', '--syms',
action='store_true', dest='show_symbols',
help='Display the symbol table')
- optparser.add_option('-n', '--notes',
+ argparser.add_argument('-n', '--notes',
action='store_true', dest='show_notes',
help='Display the core notes (if present)')
- optparser.add_option('-r', '--relocs',
+ argparser.add_argument('-r', '--relocs',
action='store_true', dest='show_relocs',
help='Display the relocations (if present)')
- optparser.add_option('-x', '--hex-dump',
+ argparser.add_argument('-x', '--hex-dump',
action='store', dest='show_hex_dump', metavar='<number|name>',
help='Dump the contents of section <number|name> as bytes')
- optparser.add_option('-p', '--string-dump',
+ argparser.add_argument('-p', '--string-dump',
action='store', dest='show_string_dump', metavar='<number|name>',
help='Dump the contents of section <number|name> as strings')
- optparser.add_option('-V', '--version-info',
+ argparser.add_argument('-V', '--version-info',
action='store_true', dest='show_version_info',
help='Display the version sections (if present)')
- optparser.add_option('-A', '--arch-specific',
+ argparser.add_argument('-A', '--arch-specific',
action='store_true', dest='show_arch_specific',
help='Display the architecture-specific information (if present)')
- optparser.add_option('--debug-dump',
+ argparser.add_argument('--debug-dump',
action='store', dest='debug_dump_what', metavar='<what>',
help=(
'Display the contents of DWARF debug sections. <what> can ' +
'one of {info,decodedline,frames,frames-interp}'))
- options, args = optparser.parse_args()
+ args = argparser.parse_args()
- if options.help or len(args) == 0:
- optparser.print_help()
+ if args.help or not args.file:
+ argparser.print_help()
sys.exit(0)
- if options.show_all_headers:
+ if args.show_all_headers:
do_file_header = do_section_header = do_program_header = True
else:
- do_file_header = options.show_file_header
- do_section_header = options.show_section_header
- do_program_header = options.show_program_header
+ do_file_header = args.show_file_header
+ do_section_header = args.show_section_header
+ do_program_header = args.show_program_header
- with open(args[0], 'rb') as file:
+ with open(args.file, 'rb') as file:
try:
readelf = ReadElf(file, stream or sys.stdout)
if do_file_header:
if do_program_header:
readelf.display_program_headers(
show_heading=not do_file_header)
- if options.show_dynamic_tags:
+ if args.show_dynamic_tags:
readelf.display_dynamic_tags()
- if options.show_symbols:
+ if args.show_symbols:
readelf.display_symbol_tables()
- if options.show_notes:
+ if args.show_notes:
readelf.display_notes()
- if options.show_relocs:
+ if args.show_relocs:
readelf.display_relocations()
- if options.show_version_info:
+ if args.show_version_info:
readelf.display_version_info()
- if options.show_arch_specific:
+ if args.show_arch_specific:
readelf.display_arch_specific()
- if options.show_hex_dump:
- readelf.display_hex_dump(options.show_hex_dump)
- if options.show_string_dump:
- readelf.display_string_dump(options.show_string_dump)
- if options.debug_dump_what:
- readelf.display_debug_dump(options.debug_dump_what)
+ if args.show_hex_dump:
+ readelf.display_hex_dump(args.show_hex_dump)
+ if args.show_string_dump:
+ readelf.display_string_dump(args.show_string_dump)
+ if args.debug_dump_what:
+ readelf.display_debug_dump(args.debug_dump_what)
except ELFError as ex:
sys.stderr.write('ELF error: %s\n' % ex)
sys.exit(1)
projects / pyelftools.git / commitdiff