#!/usr/bin/python
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# Copyright 2018 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import os
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import subprocess
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import sys
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import check_icf
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import check_cus
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import check_exist
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elf_checks = [check_exist.check_exist_all,
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check_cus.check_compile_units,
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check_icf.check_identical_code_folding]
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def scanelf(root):
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"""find ELFs in root
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Args:
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root: root dir to start with the search.
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Returns:
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Filenames of ELFs in root.
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"""
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p = subprocess.Popen(['scanelf', '-y', '-B', '-F', '%F', '-R', root],
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stdout=subprocess.PIPE)
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return [l.strip() for l in p.stdout]
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def Main(argv):
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if len(argv) < 2:
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print('usage: %s [file|dir]')
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return 1
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files = []
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cand = argv[1]
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if os.path.isfile(cand):
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files = [cand]
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elif os.path.isdir(cand):
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files = scanelf(cand)
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else:
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print('usage: %s [file|dir]')
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return 1
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failed = False
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for f in files:
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for c in elf_checks:
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if not c(f):
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failed = True
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if failed:
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return 1
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return 0
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if __name__ == '__main__':
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sys.exit(Main(sys.argv))
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