toku-mac commented on PR #18886:
URL: https://github.com/apache/nuttx/pull/18886#issuecomment-4467680918
about `arch/sim/src/patch_macho_initsection.py`.
On macOS 11 and later with Apple Silicon, binary re-signing is required.
Writing the file invalidates the ad-hoc signature that ld attached at link
time, which causes the kernel to SIGKILL the process at exec.
```
import argparse
import subprocess
import sys
```
```
if patched:
fat.write(args.binary)
if sys.platform == "darwin":
subprocess.run(
["codesign", "--force", "--sign", "-", args.binary],
check=True,
)
return 0
```
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