| #!/usr/bin/env python |
| # Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Downloads pre-built sanitizer-instrumented third-party libraries from GCS.""" |
| |
| import os |
| import re |
| import subprocess |
| import sys |
| |
| def get_ubuntu_release(): |
| supported_releases = ['precise', 'trusty'] |
| release = subprocess.check_output(['lsb_release', '-cs']).strip() |
| if release not in supported_releases: |
| raise Exception("Supported Ubuntu versions: %s", str(supported_releases)) |
| return release |
| |
| |
| def get_configuration(gyp_defines): |
| if re.search(r'\b(msan)=1', gyp_defines): |
| if 'msan_track_origins=0' in gyp_defines: |
| return 'msan-no-origins' |
| if 'msan_track_origins=2' in gyp_defines: |
| return 'msan-chained-origins' |
| if 'msan_track_origins=' not in gyp_defines: |
| # NB: must be the same as the default value in common.gypi |
| return 'msan-chained-origins' |
| raise Exception( |
| "Prebuilt instrumented libraries not available for your configuration.") |
| |
| |
| def get_archive_name(gyp_defines): |
| return "%s-%s.tgz" % (get_configuration(gyp_defines), get_ubuntu_release()) |
| |
| |
| def main(args): |
| gyp_defines = os.environ.get('GYP_DEFINES', '') |
| if not 'use_prebuilt_instrumented_libraries=1' in gyp_defines: |
| return 0 |
| |
| if not sys.platform.startswith('linux'): |
| raise Exception("'use_prebuilt_instrumented_libraries=1' requires Linux.") |
| |
| archive_name = get_archive_name(gyp_defines) |
| sha1file = '%s.sha1' % archive_name |
| target_directory = 'src/third_party/instrumented_libraries/binaries/' |
| |
| subprocess.check_call([ |
| 'download_from_google_storage', |
| '--no_resume', |
| '--no_auth', |
| '--bucket', 'chromium-instrumented-libraries', |
| '-s', sha1file], cwd=target_directory) |
| |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv[1:])) |
