systemd/tools/check-efi-alignment.py

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#!/usr/bin/python3
# SPDX-License-Identifier: LGPL-2.1-or-later
# vi: set tw=110 sw=4 ts=4 et:
import sys
import pefile
def main():
pe = pefile.PE(sys.argv[1], fast_load=True)
for section in pe.sections:
name = section.Name.rstrip(b"\x00").decode()
file_addr = section.PointerToRawData
virt_addr = section.VirtualAddress
print(f"{name:10s} file=0x{file_addr:08x} virt=0x{virt_addr:08x}")
if file_addr % 512 != 0:
print(f"File address of {name} section is not aligned to 512 bytes", file=sys.stderr)
return 1
if virt_addr % 512 != 0:
print(f"Virt address of {name} section is not aligned to 512 bytes", file=sys.stderr)
return 1
if __name__ == '__main__':
if len(sys.argv) != 2:
print(f"Usage: {sys.argv[0]} pe-image")
sys.exit(1)
sys.exit(main())