mirror of
https://github.com/pmret/papermario.git
synced 2024-11-08 20:12:30 +01:00
24 lines
677 B
Python
24 lines
677 B
Python
|
#!/usr/bin/env python3
|
||
|
|
||
|
import argparse, struct, sys
|
||
|
|
||
|
if __name__ == "__main__":
|
||
|
parser = argparse.ArgumentParser()
|
||
|
|
||
|
parser.add_argument("file", help="file to patch")
|
||
|
args = parser.parse_args()
|
||
|
|
||
|
with open(args.file, "r+b") as f:
|
||
|
magic = struct.unpack(">I", f.read(4))[0]
|
||
|
if magic != 0x7F454C46:
|
||
|
print("Error: Not an ELF file")
|
||
|
sys.exit(1)
|
||
|
|
||
|
f.seek(36)
|
||
|
flags = struct.unpack(">I", f.read(4))[0]
|
||
|
if flags & 0xF0000000 == 0x20000000: # test for mips3
|
||
|
# patch it
|
||
|
flags |= 0x00000100 # set EF_MIPS_32BITMODE
|
||
|
f.seek(36)
|
||
|
f.write(struct.pack(">I", flags))
|