src/depmod.py

   1 #!/usr/bin/python
   2
   3 # This file is part of PulseAudio.
   4 #
   5 # PulseAudio is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU Lesser General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # PulseAudio is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU Lesser General Public License
  16 # along with PulseAudio; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  18 # USA.
  19
  20 import sys, os, string
  21
  22 exported_symbols = {}
  23 imported_symbols = {}
  24
  25 for fn in sys.argv[1:]:
  26     f = os.popen("nm '%s'" % fn, "r")
  27
  28     imported_symbols[fn] = []
  29
  30     for line in f:
  31         sym_address = line[:7].strip()
  32         sym_type = line[9].strip()
  33         sym_name = line[11:].strip()
  34
  35         if sym_name in ('_fini', '_init'):
  36             continue
  37
  38         if sym_type in ('T', 'B', 'R', 'D' 'G', 'S', 'D'):
  39             if exported_symbols.has_key(sym_name):
  40                 sys.stderr.write("CONFLICT: %s defined in both '%s' and '%s'.\n" % (sym_name, fn, exported_symbols[sym_name]))
  41             else:
  42                 exported_symbols[sym_name] = fn
  43         elif sym_type in ('U',):
  44             if sym_name[:3] == 'pa_':
  45                 imported_symbols[fn].append(sym_name)
  46
  47     f.close()
  48
  49 dependencies = {}
  50 unresolved_symbols = {}
  51
  52 for fn in imported_symbols:
  53     dependencies[fn] = []
  54
  55     for sym in imported_symbols[fn]:
  56         if exported_symbols.has_key(sym):
  57             if exported_symbols[sym] not in dependencies[fn]:
  58                 dependencies[fn].append(exported_symbols[sym])
  59         else:
  60             if unresolved_symbols.has_key(sym):
  61                 unresolved_symbols[sym].append(fn)
  62             else:
  63                 unresolved_symbols[sym] = [fn]
  64
  65 for sym, files in unresolved_symbols.iteritems():
  66     print "WARNING: Unresolved symbol '%s' in %s" % (sym, `files`)
  67
  68 k = dependencies.keys()
  69 k.sort()
  70 for fn in k:
  71     dependencies[fn].sort()
  72     print "%s: %s" % (fn, string.join(dependencies[fn], " "))