|  | #!/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__), '..', '..', '..')) | 
|  |  | 
|  | sys.path.append(os.path.join(REPOSITORY_ROOT, 'build/android/gyp/util')) | 
|  | import build_utils | 
|  |  | 
|  |  | 
|  | 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) |