obfuscate_pseudoc.py

   1 #!/usr/bin/env python3
   2 import sys
   3 import re
   4
   5
   6 start_addr = None
   7 out_f = None
   8
   9
  10 with open(sys.argv[1]) as f:
  11     for l in f:
  12         addr = int(l[:8], 16)
  13         l = l[8:]
  14
  15         if start_addr is None:
  16             start_addr = addr
  17             out_f = open("fun_%08x.lst" % (~start_addr & 0xffffffff), "w")
  18
  19         def repl(m):
  20             return m.group(1) + "%08x" % (int(m.group(2), 16) - start_addr)
  21
  22         l = re.sub(r"(loc_)([0-9A-Fa-f]{8})", repl, l)
  23
  24         addr -= start_addr
  25         out_f.write("%08x%s" % (addr, l))