1#!/usr/bin/env python 2# Copyright 2016 The Chromium Authors 3# Use of this source code is governed by a BSD-style license that can be 4# found in the LICENSE file. 5 6"""check_no_neon.py - Check modules do not contain ARM Neon instructions.""" 7 8import argparse 9import os 10import sys 11 12REPOSITORY_ROOT = os.path.abspath( 13 os.path.join(os.path.dirname(__file__), os.pardir, os.pardir, os.pardir)) 14 15sys.path.insert(0, os.path.join(REPOSITORY_ROOT, 'build/android/gyp')) 16from util import build_utils # pylint: disable=wrong-import-position 17 18 19def main(args): 20 parser = argparse.ArgumentParser( 21 description='Check modules do not contain ARM Neon instructions.') 22 parser.add_argument('objdump', metavar='path/to/ARM/objdump') 23 parser.add_argument('objects', metavar='files/to/check/*.o') 24 parser.add_argument('--stamp', help='Path to touch on success.') 25 opts = parser.parse_args(args) 26 ret = os.system(opts.objdump + ' -d --no-show-raw-insn ' + 27 opts.objects + ' | grep -q "vld[1-9]\\|vst[1-9]"') 28 29 # Non-zero exit code means no neon. 30 if ret and opts.stamp: 31 build_utils.Touch(opts.stamp) 32 return ret 33 34 35if __name__ == '__main__': 36 sys.exit(0 if main(sys.argv[1:]) != 0 else -1) 37