ceph/src/spdk/dpdk/buildtools/map_to_def.py

   1 #!/usr/bin/env python
   2 # SPDX-License-Identifier: BSD-3-Clause
   3 # Copyright(c) 2019 Intel Corporation
   4
   5 from __future__ import print_function
   6 import sys
   7 from os.path import dirname, basename, join, exists
   8
   9
  10 def is_function_line(ln):
  11     return ln.startswith('\t') and ln.endswith(';\n') and ":" not in ln
  12
  13
  14 def main(args):
  15     if not args[1].endswith('version.map') or \
  16             not args[2].endswith('exports.def'):
  17         return 1
  18
  19 # special case, allow override if an def file already exists alongside map file
  20     override_file = join(dirname(args[1]), basename(args[2]))
  21     if exists(override_file):
  22         with open(override_file) as f_in:
  23             functions = f_in.readlines()
  24
  25 # generate def file from map file.
  26 # This works taking indented lines only which end with a ";" and which don't
  27 # have a colon in them, i.e. the lines defining functions only.
  28     else:
  29         with open(args[1]) as f_in:
  30             functions = [ln[:-2] + '\n' for ln in sorted(f_in.readlines())
  31                          if is_function_line(ln)]
  32             functions = ["EXPORTS\n"] + functions
  33
  34     with open(args[2], 'w') as f_out:
  35         f_out.writelines(functions)
  36     return 0
  37
  38
  39 if __name__ == "__main__":
  40     sys.exit(main(sys.argv))