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/z.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(0)
  26 print 'CU header', cu.header
  27 topdie = cu.get_top_DIE()
  28
  29 print topdie.size, topdie.tag
  30 for attrname, val in topdie.attributes.iteritems():
  31     print attrname, val
  32
  33 #~ print dwarfinfo.structs.Dwarf_abbrev_entry.parse('\x13\x01\x01\x03\x50\x04\x00\x00')
  34
  35 #~ abbrevtable = dwarfinfo.get_abbrev_table(95)
  36 #~ print id(abbrevtable)
  37 #~ pprint.pprint(abbrevtable._abbrev_map)
  38
  39 #~ ab1 = abbrevtable.get_abbrev(2)
  40 #~ print ab1.has_children()
  41 #~ for name, form in ab1.iter_attr_specs():
  42     #~ print name, form
  43
  44 #~ print dwarfinfo.get_abbrev_table(0).get_abbrev(1).has_children()
  45
  46 #~ for cu in dwarfinfo._CU:
  47     #~ print cu, cu.header
  48
  49
  50
  51
  52 #~ print efile.get_section_by_name('.debug_info').name
  53
  54 #~ print '===> %s segments!' % efile.num_segments()
  55
  56 #~ for sec in efile.iter_sections():
  57     #~ print type(sec), sec.name
  58     #~ if isinstance(sec, SymbolTableSection):
  59         #~ print '   linked string table:', sec.stringtable.name
  60
  61 #~ for seg in efile.iter_segments():
  62     #~ print type(seg), seg['p_type'], seg['p_offset']
  63
  64 #~ for sec in efile.iter_sections():
  65     #~ if isinstance(sec, SymbolTableSection):
  66         #~ print 'symbol table "%s ~~~"' % sec.name
  67         #~ for sym in sec.iter_symbols():
  68             #~ print '%-26s %s %s' % (sym.name, sym['st_info']['type'], sym['st_info']['bind'])
  69