35 lines
831 B
Python
Executable File
35 lines
831 B
Python
Executable File
#!/usr/bin/env python3
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import sys
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from elftools.elf.elffile import ELFFile # pip install pyelftools
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def main():
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if len(sys.argv) < 3:
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print(f'Usage: {sys.argv[0]} in.elf out.bin')
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sys.exit(1)
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with open(sys.argv[-2], 'rb') as f:
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extract(ELFFile(f))
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def extract(elf):
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text = elf.get_section_by_name('.text')
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if text is None:
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print('Input ELF has no .text section', file=sys.stderr)
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sys.exit(1)
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with open(sys.argv[-1], 'wb') as f:
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if '-p' in sys.argv:
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print(f'Pure .text mode is enabled')
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f.write(text.data())
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else:
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elf.stream.seek(0)
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elf.stream.read(text.header.sh_offset)
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f.write(elf.stream.read())
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print(f'Successfully extracted the necessary sections to "{sys.argv[2]}"')
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main()
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