| #!/usr/bin/python |
| # Copyright 2016 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. |
| |
| """check_no_neon.py - Check modules do not contain ARM Neon instructions.""" |
| |
| import argparse |
| import os |
| import sys |
| |
| REPOSITORY_ROOT = os.path.abspath( |
| os.path.join(os.path.dirname(__file__), os.pardir, os.pardir, os.pardir)) |
| |
| sys.path.insert(0, os.path.join(REPOSITORY_ROOT, 'build/android/gyp')) |
| from util import build_utils # pylint: disable=import-error |
| |
| |
| def main(args): |
| parser = argparse.ArgumentParser( |
| description='Check modules do not contain ARM Neon instructions.') |
| parser.add_argument('objdump', metavar='path/to/ARM/objdump') |
| parser.add_argument('objects', metavar='files/to/check/*.o') |
| parser.add_argument('--stamp', help='Path to touch on success.') |
| opts = parser.parse_args(args) |
| ret = os.system(opts.objdump + ' -d --no-show-raw-insn ' + |
| opts.objects + ' | grep -q "vld[1-9]\\|vst[1-9]"') |
| |
| # Non-zero exit code means no neon. |
| if ret and opts.stamp: |
| build_utils.Touch(opts.stamp) |
| return ret |
| |
| |
| if __name__ == '__main__': |
| sys.exit(0 if main(sys.argv[1:]) != 0 else -1) |
