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24 lines
677 B
Python
24 lines
677 B
Python
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#!/usr/bin/env python3
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import argparse, struct, sys
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("file", help="file to patch")
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args = parser.parse_args()
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with open(args.file, "r+b") as f:
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magic = struct.unpack(">I", f.read(4))[0]
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if magic != 0x7F454C46:
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print("Error: Not an ELF file")
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sys.exit(1)
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f.seek(36)
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flags = struct.unpack(">I", f.read(4))[0]
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if flags & 0xF0000000 == 0x20000000: # test for mips3
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# patch it
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flags |= 0x00000100 # set EF_MIPS_32BITMODE
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f.seek(36)
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f.write(struct.pack(">I", flags))
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