components/cronet/tools/enforce_no_neon.py - Issue 2060333002: [Cronet] Enforce ARMv7 Cronet doesn't inadvertently use ARM Neon instructions

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Issue 2060333002: [Cronet] Enforce ARMv7 Cronet doesn't inadvertently use ARM Neon instructions (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: redo objdump path Created 4 years, 5 months ago

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	1 #!/usr/bin/python

	2 # Copyright 2016 The Chromium Authors. All rights reserved.

	3 # Use of this source code is governed by a BSD-style license that can be

	4 # found in the LICENSE file.

	5

	6 """

	7 enforce_no_neon.py - Enforce modules do not contain ARM Neon instructions.
	mef 2016/06/28 16:46:24 nit: I don't think this script really enforces no nit: I don't think this script really enforces no neon, it just checks for its presence. pauljensen 2016/06/29 12:47:42 Done. Show quoted text On 2016/06/28 16:46:24, mef wrote: > nit: I don't think this script really enforces no neon, it just checks for its > presence. Done.
	8 """

	9

	10 import os

	11 import sys

	12

	13 def main():

	14 if len(sys.argv) != 3:

	15 print 'Usage: ' + os.path.basename(sys.argv[0]) + \

	16 ' path/to/ARM/objdump files/to/check/*.o'

	17 return 1

	18 return os.system(sys.argv[1] + ' -d --no-show-raw-insn ' +

	19 sys.argv[2] + ' \| grep -q "vld[1-9]\\\|vst[1-9]"')

	20

	21 if __name__ == '__main__':

	22 sys.exit(0 if main() != 0 else -1)

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