Re: [PATCH v6 0/6] MR6866: ntdll: On macOS x86_64, swap GSBASE between the TEB and macOS TSD when entering/leaving PE code.

[Marc-Aurel Zent (＠mzent)]

On Tue Mar 25 11:21:48 2025 +0000, Jinoh Kang wrote:
> > checking at compile time against `sys/syscall.h` will be sufficient
>
> here I would guess.
> It's not in `sys/syscall.h`. thread_set_tsd_base() is a machdep syscall.

Ah interesting that it is machdep syscall and not a unix syscall, but that does make sense. In that case checking against the machine code is probably the best option like you suggested.