| #!/usr/bin/env python3 |
| # pylint: disable=invalid-name,missing-module-docstring,missing-function-docstring |
| # |
| # Copyright 2023 Richard Hughes <richard@hughsie.com> |
| # |
| # SPDX-License-Identifier: LGPL-2.1-or-later |
| |
| import glob |
| import fnmatch |
| import os |
| import sys |
| import subprocess |
| |
| |
| def test_files() -> int: |
| fns = sys.argv[1:] |
| if not fns: |
| build = os.environ["BUILD"] if "BUILD" in os.environ else "" |
| fns.append(os.path.join(".", build, "plugins")) |
| fns.append(os.path.join(".", build, "src")) |
| |
| data = [] |
| |
| # find all .o files |
| for fn in fns: |
| for fn in glob.glob(f"{fn}/**/*.o", recursive=True): |
| print(f"Analyzing {fn}...") |
| p = subprocess.run(["nm", fn], check=True, capture_output=True) |
| # parse data |
| for line in p.stdout.decode().split("\n"): |
| line = line.rstrip() |
| if len(line) == 0: |
| continue |
| if line.endswith(".o:"): |
| continue |
| t = line[17:18] |
| if t == "b" or t == "t" or t == "r" or t == "d" or t == "a": |
| continue |
| symb = line[19:] |
| data.append((t, symb)) |
| |
| # collect all the symbols defined |
| symbs = [] |
| for t, symb in data: |
| if t != "T": |
| continue |
| if symb.endswith("_get_type"): |
| continue |
| if fnmatch.fnmatch(symb, "fu_struct_*_set_*"): |
| continue |
| if fnmatch.fnmatch(symb, "fu_struct_*_get_*"): |
| continue |
| if fnmatch.fnmatch(symb, "fu_*_ref"): |
| continue |
| if fnmatch.fnmatch(symb, "fu_*_unref"): |
| continue |
| if symb.find("__proto__") != -1: |
| continue |
| if symb in ["main", "fu_plugin_init_vfuncs"]: |
| continue |
| if symb not in symbs: |
| symbs.append(symb) |
| |
| # remove the ones used |
| for t, symb in data: |
| if t != "U": |
| continue |
| if symb in symbs: |
| symbs.remove(symb) |
| |
| # display |
| symbs.sort() |
| for symb in symbs: |
| print("Unused: ", symb) |
| |
| return 1 if symbs else 0 |
| |
| |
| if __name__ == "__main__": |
| # all done! |
| sys.exit(test_files()) |
