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
-try:
- import elftools
-except ImportError:
- sys.path.extend(['.', '..'])
+# If pyelftools is not installed, the example can also run from the root or
+# examples/ dir of the source distribution.
+sys.path[0:0] = ['.', '..']
+
+from elftools.common.py3compat import bytes2str
from elftools.elf.elffile import ELFFile
from elftools.elf.relocation import RelocationSection
# Read the .rela.dyn section from the file, by explicitly asking
# ELFFile for this section
- reladyn_name = '.rela.dyn'
+ # Recall that section names are bytes objects
+ reladyn_name = b'.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(' The file has no %s section' % bytes2str(reladyn_name))
print(' %s section with %s relocations' % (
- reladyn_name, reladyn.num_relocations()))
+ bytes2str(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)
-
+ print(' Relocation (%s)' % 'RELA' if reloc.is_RELA() else 'REL')
# Relocation entry attributes are available through item lookup
- print(' offset = %s' % reloc['r_offset'])
+ print(' offset = %s' % reloc['r_offset'])
if __name__ == '__main__':