1 #!/usr/bin/env python 2 #===----------------------------------------------------------------------===## 3 # 4 # The LLVM Compiler Infrastructure 5 # 6 # This file is dual licensed under the MIT and the University of Illinois Open 7 # Source Licenses. See LICENSE.TXT for details. 8 # 9 #===----------------------------------------------------------------------===## 10 """ 11 sym_extract - Extract and output a list of symbols from a shared library. 12 """ 13 from argparse import ArgumentParser 14 from libcxx.sym_check import extract, util 15 16 17 def main(): 18 parser = ArgumentParser( 19 description='Extract a list of symbols from a shared library.') 20 parser.add_argument('library', metavar='shared-lib', type=str, 21 help='The library to extract symbols from') 22 parser.add_argument('-o', '--output', dest='output', 23 help='The output file. stdout is used if not given', 24 type=str, action='store', default=None) 25 parser.add_argument('--names-only', dest='names_only', 26 help='Output only the name of the symbol', 27 action='store_true', default=False) 28 parser.add_argument('--only-stdlib-symbols', dest='only_stdlib', 29 help="Filter all symbols not related to the stdlib", 30 action='store_true', default=False) 31 args = parser.parse_args() 32 if args.output is not None: 33 print('Extracting symbols from %s to %s.' 34 % (args.library, args.output)) 35 syms = extract.extract_symbols(args.library) 36 if args.only_stdlib: 37 syms, other_syms = util.filter_stdlib_symbols(syms) 38 util.write_syms(syms, out=args.output, names_only=args.names_only) 39 40 41 if __name__ == '__main__': 42 main() 43
