1#!/usr/bin/env python2 2# 3# Copyright (C) 2015 The Android Open Source Project 4# 5# Licensed under the Apache License, Version 2.0 (the 'License'); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an 'AS IS' BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16# 17import os 18import subprocess 19import tempfile 20 21import symbols 22 23 24def adb_pull(src, dst): 25 with open(os.devnull, 'w') as devnull: 26 subprocess.check_call(['adb', 'pull', src, dst], 27 stdout=devnull, stderr=devnull) 28 29 30def main(): 31 tmp_dir = tempfile.mkdtemp() 32 adb_pull('/system/lib/libc.so', tmp_dir) 33 adb_pull('/system/lib/libm.so', tmp_dir) 34 35 current = symbols.GetFromAndroidSo(['libc.so', 'libm.so']) 36 device = (symbols.GetFromElf(os.path.join(tmp_dir, 'libc.so')) | 37 symbols.GetFromElf(os.path.join(tmp_dir, 'libm.so'))) 38 compat_lib = symbols.GetFromAndroidStaticLib(['libc_ndk.a']) 39 40 missing_symbols = current - device 41 compat_not_covered = missing_symbols - compat_lib 42 43 for symbol in sorted(compat_not_covered): 44 print symbol 45 46 47if __name__ == '__main__': 48 main() 49