52 lines · python
1#!/usr/bin/env python2# ===----------------------------------------------------------------------===##3#4# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5# See https://llvm.org/LICENSE.txt for license information.6# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7#8# ===----------------------------------------------------------------------===##9 10import argparse11import io12import libcxx.sym_check.extract13import libcxx.sym_check.util14import pprint15import sys16 17 18def OutputFile(file):19 if isinstance(file, io.IOBase):20 return file21 assert isinstance(file, str), "Got object {} which is not a str".format(file)22 return open(file, "w", newline="\n")23 24 25def main(argv):26 parser = argparse.ArgumentParser(27 description="Extract a list of symbols from a shared library."28 )29 parser.add_argument(30 "library", metavar="LIB", type=str, help="The library to extract symbols from."31 )32 parser.add_argument(33 "-o",34 "--output",35 dest="output",36 type=OutputFile,37 default=sys.stdout,38 help="The output file to write the symbols to. It is overwritten if it already exists. "39 "If no file is specified, the results are written to standard output.",40 )41 args = parser.parse_args(argv)42 43 symbols = libcxx.sym_check.extract.extract_symbols(args.library)44 symbols, _ = libcxx.sym_check.util.filter_stdlib_symbols(symbols)45 46 lines = [pprint.pformat(sym, width=99999) for sym in symbols]47 args.output.writelines("\n".join(sorted(lines)))48 49 50if __name__ == "__main__":51 main(sys.argv[1:])52