Files
SeaBIOS/scripts/ldnoexec.py
Kevin O'Connor 699a4e5d69 ldnoexec: Add script to remove ET_EXEC flag from intermediate build objects
Add a script to remove the ET_EXEC flag from the 16bit and "32bit
segmented" intermediate objects.  This avoids build failures with some
linkers that will not allow linking these objects again.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2020-07-24 11:01:47 -04:00

33 lines
835 B
Python
Executable File

#!/usr/bin/env python
# Script to remove EXEC flag from an ELF file
#
# Copyright (C) 2020 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import optparse
FLAG_OFFSET = 16
def main():
# Parse command-line arguments
usage = "%prog <input_file> <output_file>"
opts = optparse.OptionParser(usage)
options, args = opts.parse_args()
if len(args) != 2:
opts.error("Incorrect number of arguments")
infilename, outfilename = args
# Read input
f = open(infilename, "rb")
srcdata = f.read()
f.close()
# Update
outdata = bytearray(srcdata)
outdata[FLAG_OFFSET] = 0x01 # change ET_EXEC to ET_REL
# Write output
f = open(outfilename, "wb")
f.write(outdata)
f.close()
if __name__ == '__main__':
main()