test/test_dwarf_formdata16.py

   1 #-------------------------------------------------------------------------------
   2 # elftools tests
   3 #
   4 # Seva Alekseyev (sevaa@sprynet.com)
   5 # This code is in the public domain
   6 #-------------------------------------------------------------------------------
   7 import unittest
   8 import os
   9
  10 from elftools.elf.elffile import ELFFile
  11
  12 class TestFormData16(unittest.TestCase):
  13     def test_formdata16(self):
  14         path = os.path.join('test', 'testfiles_for_unittests',
  15                             'dwarf_lineprog_data16.elf')
  16         with open(path, 'rb') as f:
  17             elffile = ELFFile(f)
  18             dwarfinfo = elffile.get_dwarf_info(follow_links=False)
  19             cu = next(dwarfinfo.iter_CUs())
  20             # Without DW_FORM_data16, the following line errors out:
  21             lp = dwarfinfo.line_program_for_CU(cu)
  22             # Make sure the hashes come out right
  23             self.assertEqual(lp.header.version, 5)
  24             # The following interrogates the DWARFv5 specific header structures
  25             self.assertEqual(lp.header.file_name_entry_format[2].content_type, 'DW_LNCT_MD5')
  26             # The correct hash value was taken from llvm-dwarfdump output
  27             hash = lp.header.file_names[0]['DW_LNCT_MD5']
  28             hash = ''.join("%02x" % b for b in hash)
  29             self.assertEqual(hash, '00dbc7f4edc56417c80f1aa512c4c051')
  30
  31
  32
  33 if __name__ == '__main__':
  34     unittest.main()