finalizing cmdling options for current functionality
diff --git a/elftools/__init__.py b/elftools/__init__.py
index e69de29..2529f34 100644
--- a/elftools/__init__.py
+++ b/elftools/__init__.py
@@ -0,0 +1,3 @@
+__version__ = '0.28'
+
+
diff --git a/scripts/readelf.py b/scripts/readelf.py
index b670718..7b3cc96 100755
--- a/scripts/readelf.py
+++ b/scripts/readelf.py
@@ -18,6 +18,7 @@
except ImportError:
sys.path.extend(['.', '..'])
+from elftools import __version__
from elftools.common.exceptions import ELFError
from elftools.elf.elffile import ELFFile
from elftools.elf.segments import InterpSegment
@@ -93,21 +94,25 @@
self._emitline(' Section header string table index: %s' %
header['e_shstrndx'])
- def display_program_headers(self):
- """ Display the ELF program headers
+ def display_program_headers(self, show_heading=True):
+ """ Display the ELF program headers.
+ If show_heading is True, displays the heading for this information
+ (Elf file type is...)
"""
self._emitline()
elfheader = self.elffile.header
- self._emitline('Elf file type is %s' %
- describe_e_type(elfheader['e_type']))
- self._emitline('Entry point is %s' %
- self._format_hex(elfheader['e_entry']))
- # readelf weirness - why isn't e_phoff printed as hex? (for section
- # headers, it is...)
- self._emitline('There are %s program headers, starting at offset %s' % (
- elfheader['e_phnum'], elfheader['e_phoff']))
+ if show_heading:
+ self._emitline('Elf file type is %s' %
+ describe_e_type(elfheader['e_type']))
+ self._emitline('Entry point is %s' %
+ self._format_hex(elfheader['e_entry']))
+ # readelf weirness - why isn't e_phoff printed as hex? (for section
+ # headers, it is...)
+ self._emitline('There are %s program headers, starting at offset %s' % (
+ elfheader['e_phnum'], elfheader['e_phoff']))
+ self._emitline()
- self._emitline('\nProgram headers:')
+ self._emitline('Program headers:')
# Now comes the table of program headers with their attributes. Note
# that due to different formatting constraints of 32-bit and 64-bit
@@ -171,12 +176,13 @@
self._emitline('')
- def display_section_headers(self):
+ def display_section_headers(self, show_heading=True):
""" Display the ELF section headers
"""
elfheader = self.elffile.header
- self._emitline('There are %s section headers, starting at offset %s' % (
- elfheader['e_shnum'], self._format_hex(elfheader['e_shoff'])))
+ if show_heading:
+ self._emitline('There are %s section headers, starting at offset %s' % (
+ elfheader['e_shnum'], self._format_hex(elfheader['e_shoff'])))
self._emitline('\nSection header%s:' % (
's' if elfheader['e_shnum'] > 1 else ''))
@@ -290,12 +296,18 @@
self.output.write(str(s) + '\n')
+SCRIPT_DESCRIPTION = 'Display information about the contents of ELF format files'
+VERSION_STRING = '%%prog: based on pyelftools %s' % __version__
+
+
def main():
+ # parse the command-line arguments and invoke ReadElf
optparser = OptionParser(
usage='usage: %prog [options] <elf-file>',
- description='Display information about the contents of ELF format files',
+ description=SCRIPT_DESCRIPTION,
add_help_option=False, # -h is a real option of readelf
- prog='readelf.py')
+ prog='readelf.py',
+ version=VERSION_STRING)
optparser.add_option('-H', '--help',
action='store_true', dest='help',
help='Display this information')
@@ -303,10 +315,10 @@
action='store_true', dest='show_file_header',
help='Display the ELF file header')
optparser.add_option('-l', '--program-headers', '--segments',
- action='store_true', dest='show_program_headers',
+ action='store_true', dest='show_program_header',
help='Display the program headers')
optparser.add_option('-S', '--section-headers', '--sections',
- action='store_true', dest='show_section_headers',
+ action='store_true', dest='show_section_header',
help="Display the sections' headers")
optparser.add_option('-e', '--headers',
action='store_true', dest='show_all_headers',
@@ -320,15 +332,28 @@
optparser.print_help()
sys.exit(0)
+ if options.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
+
with open(args[0], 'rb') as file:
try:
readelf = ReadElf(file, sys.stdout)
- #readelf.display_file_header()
- #readelf.display_program_headers()
- #readelf.display_section_headers()
- readelf.display_symbol_tables()
+ if do_file_header:
+ readelf.display_file_header()
+ if do_program_header:
+ readelf.display_program_headers(
+ show_heading=not do_file_header)
+ if do_section_header:
+ readelf.display_section_headers(
+ show_heading=not do_file_header)
+ if options.show_symbols:
+ readelf.display_symbol_tables()
except ELFError as ex:
- sys.stderr.write('ELF read error: %s\n' % ex)
+ sys.stderr.write('ELF error: %s\n' % ex)
sys.exit(1)
