blob: 53bbac49d39f084c2c58073a21e7e1335ec7e865 [file] [log] [blame]
# elftools example:
# An example of obtaining a relocation section from an ELF file and examining
# the relocation entries it contains.
# Eli Bendersky (
# This code is in the public domain
from __future__ import print_function
import sys
# If elftools is not installed, maybe we're running from the root or examples
# dir of the source distribution
import elftools
except ImportError:
sys.path.extend(['.', '..'])
from elftools.elf.elffile import ELFFile
from elftools.elf.relocation import RelocationSection
def process_file(filename):
print('Processing file:', filename)
with open(filename) as f:
elffile = ELFFile(f)
# Read the .rela.dyn section from the file, by explicitly asking
# ELFFile for this section
reladyn_name = '.rela.dyn'
reladyn = elffile.get_section_by_name(reladyn_name)
if not isinstance(reladyn, RelocationSection):
print(' The file has no %s section' % reladyn_name)
print(' %s section with %s relocations' % (
reladyn_name, reladyn.num_relocations()))
for reloc in reladyn.iter_relocations():
# Use the Relocation's object ability to pretty-print itself to a
# string to examine it
print(' ', reloc)
# Relocation entry attributes are available through item lookup
print(' offset = %s' % reloc['r_offset'])
if __name__ == '__main__':
for filename in sys.argv[1:]: