| #!/usr/bin/env python |
| # Copyright 2019 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. |
| """Extracts an LLD partition from an ELF file.""" |
| |
| import argparse |
| import subprocess |
| import sys |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument( |
| '--partition', |
| help='Name of partition if not the main partition', |
| metavar='PART') |
| parser.add_argument( |
| '--objcopy', |
| required=True, |
| help='Path to llvm-objcopy binary', |
| metavar='FILE') |
| parser.add_argument( |
| '--unstripped-output', |
| required=True, |
| help='Unstripped output file', |
| metavar='FILE') |
| parser.add_argument( |
| '--stripped-output', |
| required=True, |
| help='Stripped output file', |
| metavar='FILE') |
| parser.add_argument('input', help='Input file') |
| args = parser.parse_args() |
| |
| objcopy_args = [args.objcopy] |
| if args.partition: |
| objcopy_args += ['--extract-partition', args.partition] |
| else: |
| objcopy_args += ['--extract-main-partition'] |
| objcopy_args += [args.input, args.unstripped_output] |
| subprocess.check_call(objcopy_args) |
| |
| objcopy_args = [ |
| args.objcopy, '--strip-all', args.unstripped_output, args.stripped_output |
| ] |
| subprocess.check_call(objcopy_args) |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |