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17 lines
536 B
Python
17 lines
536 B
Python
import sys
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with open(sys.argv[1], 'r+b') as file:
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assert file.read(5) == b'\xeb\x0bELF'
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file.seek(0)
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file.write(b'\xeb\x0bPLD')
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file.seek(64+56+16)
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vaddr = int.from_bytes(file.read(8), 'little')
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file.seek(64+56+32)
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filesz = (int.from_bytes(file.read(8), 'little') - vaddr).to_bytes(8, 'little')
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memsz = (int.from_bytes(file.read(8), 'little') - vaddr).to_bytes(8, 'little')
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file.seek(64+56+32)
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file.write(filesz)
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file.write(memsz)
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end = file.seek(0, 2)
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file.write(bytes((-end) % 4))
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