Re: [PATCH] gdb: use NT_386_TLS regset to access TLS GDT entries on i386 Linux

[Simon Marchi <simon.marchi@efficios.com>]

On 2026-09-30 10:13, Joos, Christina wrote:
> I verified these configs for gdb.arch/i386-tls-regs.exp:
> 
> - x86-64 kernel, 64-bit GDB, native
> - x86-64 kernel, 64-bit GDB, gdbserver
> - x86-64 kernel, 32-bit GDB, native
> - x86-64 kernel, 32-bit GDB, gdbserver
> 
> But I did save myself the time of compiling an i386 kernel this time.

For the record, I used machine cfarm26 on the compile farm, much easier
than building my own!

>>> I plan to look at this in a few hours, but since Andrew has already approved it,
>> it's of course fine with me if you go ahead.
>>> This is probably a bit urgent.
>>
>> You can take the time to review it, it won't make a difference whether we
>> merge this today or later this week.
>>
>>> Since x32 is mentioned here, just FYI, in case you haven't seen it:
>>> https://www.phoronix.com/news/Linux-x32-ABI-2026
>>
>> Indeed, I just looked into it because someone mentioned it in the bug.
> 
> Thanks a lot for this patch. I have nothing to add; it looks all good to me.
> 
> I also learned quite a lot while looking at this.
> 
> Approved-By: Christina Joos <christina.joos@intel.com>

Thanks for the review, I also learned a lot from this!

I'll push the patch momentarily.

Simon