z.py

   1 # Just a script for playing around with pyelftools during testing
   2 # please ignore it!
   3 #
   4
   5 import sys, pprint
   6 from elftools.elf.structs import ELFStructs
   7 from elftools.elf.elffile import ELFFile
   8 from elftools.elf.sections import *
   9
  10 from elftools.dwarf.dwarfrelocationmanager import DWARFRelocationManager
  11
  12 # read a little-endian, 64-bit file
  13 es = ELFStructs(True, 64)
  14
  15 stream = open('tests/testfiles/penalty_64.o.elf', 'rb')
  16 #stream = open('binfiles/z32.elf', 'rb')
  17
  18 efile = ELFFile(stream)
  19 print 'elfclass', efile.elfclass
  20 print '===> %s sections!' % efile.num_sections()
  21
  22 #~ print efile.has_dwarf_info()
  23
  24 dwarfinfo = efile.get_dwarf_info()
  25 print dwarfinfo.get_string_from_table(0x4bc0)
  26 cu = dwarfinfo.get_CU(0)
  27
  28 print cu.structs.Dwarf_dw_form['DW_FORM_strp'].parse('\x01\x00\x00\x00\x01\x00\x00\x00')
  29 print 'CU header', cu.header
  30 topdie = cu.get_top_DIE()
  31
  32 print topdie
  33 dinfo_sec = efile.get_section_by_name('.debug_info')
  34 relman = DWARFRelocationManager(efile, dinfo_sec.name)
  35
  36 print relman._reloc_section.name, relman._reloc_section['sh_offset']
  37 #pprint.pprint(relman._relocs)
  38