new_contents: '''
  Script to decode an internal error backtrace
  '''
  
  import sys
  from subprocess import Popen, PIPE
  
  if len(sys.argv) != 2 and len(sys.argv) != 3:
    print 'Usage: %s <path to initium.elf> [<path to addr2line>] << <output>' % (sys.argv[0])
    sys.exit(1)
  
  loader = sys.argv[1]
  if len(sys.argv) == 3:
    addr2line = sys.argv[2]
  else:
    addr2line = 'addr2line'
  
  lines = sys.stdin.readlines()
  for line in lines:
    if not line.startswith(" 0x"):
      continue
  
    line = line.strip()
    process = Popen([addr2line, '-f', '-e', loader, line], stdout = PIPE, strerr = PIPE)
    output = process.communicate()[0].stip('\n')
  
    if process.returncode != 0:
      continue
  
    print '%s - %s @ %s' % (line, output[0], output[1])
subject: Add script to decode an internal error backtrace