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 # read a little-endian, 64-bit file
  11 es = ELFStructs(True, 64)
  12
  13 stream = open('tests/testfiles/exe_simple64.elf', 'rb')
  14 #stream = open('binfiles/z32.elf', 'rb')
  15
  16 efile = ELFFile(stream)
  17 print efile.elfclass, efile.little_endian
  18 print '===> %s sections!' % efile.num_sections()
  19
  20 print efile.has_dwarf_info()
  21
  22 dwarfinfo = efile.get_dwarf_info()
  23 tt = dwarfinfo.structs.Dwarf_dw_form['DW_FORM_block1'].parse('\x03\x12\x34\x46')
  24
  25 cu = dwarfinfo.get_CU(1)
  26 print 'CU header', cu.header
  27 topdie = cu.get_top_DIE()
  28
  29 for die in cu._dielist:
  30     print 'DIE %s, size=%s' % (die.tag, die.size)
  31     for attrname, val in die.attributes.iteritems():
  32         print '    ', attrname, val
  33
  34 #~ topdie = cu.get_top_DIE()
  35
  36 #~ print topdie.size, topdie.tag
  37
  38 #~ print len(cu._dielist)
  39
  40 #~ print dwarfinfo.structs.Dwarf_abbrev_entry.parse('\x13\x01\x01\x03\x50\x04\x00\x00')
  41
  42 #~ abbrevtable = dwarfinfo.get_abbrev_table(95)
  43 #~ print id(abbrevtable)
  44 #~ pprint.pprint(abbrevtable._abbrev_map)
  45
  46 #~ ab1 = abbrevtable.get_abbrev(2)
  47 #~ print ab1.has_children()
  48 #~ for name, form in ab1.iter_attr_specs():
  49     #~ print name, form
  50
  51 #~ print dwarfinfo.get_abbrev_table(0).get_abbrev(1).has_children()
  52
  53 #~ for cu in dwarfinfo._CU:
  54     #~ print cu, cu.header
  55
  56
  57
  58
  59 #~ print efile.get_section_by_name('.debug_info').name
  60
  61 #~ print '===> %s segments!' % efile.num_segments()
  62
  63 #~ for sec in efile.iter_sections():
  64     #~ print type(sec), sec.name
  65     #~ if isinstance(sec, SymbolTableSection):
  66         #~ print '   linked string table:', sec.stringtable.name
  67
  68 #~ for seg in efile.iter_segments():
  69     #~ print type(seg), seg['p_type'], seg['p_offset']
  70
  71 #~ for sec in efile.iter_sections():
  72     #~ if isinstance(sec, SymbolTableSection):
  73         #~ print 'symbol table "%s ~~~"' % sec.name
  74         #~ for sym in sec.iter_symbols():
  75             #~ print '%-26s %s %s' % (sym.name, sym['st_info']['type'], sym['st_info']['bind'])
  76