code.delx.au - pulseaudio/blob - src/depmod.py

   1 #!/usr/bin/python
   2 # $Id$
   3
   4 import sys, os, string
   5
   6 exported_symbols = {}
   7 imported_symbols = {}
   8
   9 for fn in sys.argv[1:]:
  10     f = os.popen("nm '%s'" % fn, "r")
  11
  12     imported_symbols[fn] = []
  13
  14     for line in f:
  15         sym_address = line[:7].strip()
  16         sym_type = line[9].strip()
  17         sym_name = line[11:].strip()
  18
  19         if sym_name in ('_fini', '_init'):
  20             continue
  21
  22         if sym_type in ('T', 'B', 'R', 'D' 'G', 'S', 'D'):
  23             if exported_symbols.has_key(sym_name):
  24                 sys.stderr.write("CONFLICT: %s defined in both '%s' and '%s'.\n" % (sym_name, fn, exported_symbols[sym_name]))
  25             else:
  26                 exported_symbols[sym_name] = fn
  27         elif sym_type in ('U',):
  28             if sym_name[:3] == 'pa_':
  29                 imported_symbols[fn].append(sym_name)
  30
  31     f.close()
  32
  33 dependencies = {}
  34 unresolved_symbols = {}
  35
  36 for fn in imported_symbols:
  37     dependencies[fn] = []
  38
  39     for sym in imported_symbols[fn]:
  40         if exported_symbols.has_key(sym):
  41             if exported_symbols[sym] not in dependencies[fn]:
  42                 dependencies[fn].append(exported_symbols[sym])
  43         else:
  44             if unresolved_symbols.has_key(sym):
  45                 unresolved_symbols[sym].append(fn)
  46             else:
  47                 unresolved_symbols[sym] = [fn]
  48
  49 for sym, files in unresolved_symbols.iteritems():
  50     print "WARNING: Unresolved symbol '%s' in %s" % (sym, `files`)
  51
  52 k = dependencies.keys()
  53 k.sort()
  54 for fn in k:
  55     dependencies[fn].sort()
  56     print "%s: %s" % (fn, string.join(dependencies[fn], " "))