Re: [PATCH 09/11] tests/tcg: disable pauth for aarch64 gdb tests

[Richard Henderson]

On 3/13/23 04:44, Luis Machado wrote:
> > Luis: I think that rather than doing (2) with a QEMU namespace,
> > we should define a gdb namespace for this. That makes it clear
> > that this is still a gdb-upstream-sanctioned way of exposing
> > the pauth registers.
>
> That should be fine as well, and would work to side-step the gdb 12 bug so it 
> doesn't crash.
>
> We could name the feature "org.gnu.gdb.aarch64.pauth_v2" or somesuch, and slowly stop 
> using the original
> "org.gnu.gdb.aarch64.pauth" feature. I can document the requirements for a compliant 
> pauth_v2.

What if we leave the original two registers, pauth_[cd]mask, in org.gnu.gdb.aarch64.pauth 
and move the new *_high registers into a different feature?  That would maximize the set 
of gdb version for which the original user-only support is functional.


r~