cxx/utils/sym_check/sym_extract.py
Eric Fiselier 2d9feb59f0 Add symbol checking script to libc++ to help manage exported symbols.
Summary:
Add symbol checking scripts for extracting a list of symbols from shared libraries and for comparing symbol lists for differences.



Reviewers: mclow.lists, danalbert, EricWF

Reviewed By: EricWF

Subscribers: majnemer, emaste, cfe-commits

Differential Revision: http://reviews.llvm.org/D4946

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@232855 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-20 22:09:29 +00:00

30 lines
1.1 KiB
Python
Executable File

#!/usr/bin/env python
"""
sym_extract - Extract and output a list of symbols from a shared library.
"""
from argparse import ArgumentParser
from sym_check import extract, util
def main():
parser = ArgumentParser(
description='Extract a list of symbols from a shared library.')
parser.add_argument('library', metavar='shared-lib', type=str,
help='The library to extract symbols from')
parser.add_argument('-o', '--output', dest='output',
help='The output file. stdout is used if not given',
type=str, action='store', default=None)
parser.add_argument('--names-only', dest='names_only',
help='Output only the name of the symbol',
action='store_true', default=False)
args = parser.parse_args()
if args.output is not None:
print('Extracting symbols from %s to %s.'
% (args.library, args.output))
syms = extract.extract_symbols(args.library)
util.write_syms(syms, out=args.output, names_only=args.names_only)
if __name__ == '__main__':
main()