Re: [PATCH] [PATCH V2]ARM64: SCS: Add gcc plugin to support Shadow Call Stack

[Dan Li]

On 10/10/21 11:43 PM, Miguel Ojeda wrote:
> On Sun, Oct 10, 2021 at 5:16 PM Dan Li <ashimida@xxxxxxxxxxxxxxxxx> wrote:
> > -         This option enables Clang's Shadow Call Stack, which uses a
> > -         shadow stack to protect function return addresses from being
> > -         overwritten by an attacker. More information can be found in
> > -         Clang's documentation:
> > +         This option enables Clang/GCC plugin's Shadow Call Stack, which
> > +         uses a shadow stack to protect function return addresses from
> > +         being overwritten by an attacker. More information can be found
> > +         in Clang's documentation:
>
> Perhaps it could be worded in a better way? It sounds like it is a
> custom plugin for Clang as well, e.g.:
>
>      This option enables Shadow Call Stack (in the case of GCC, as a plugin),
>
> Cheers,
> Miguel

Thanks Miguel.

How about writing like this:
This option enables Shadow Call Stack (supported as a compiler option in
the case of clang, supported as a plugin in the case of gcc), which uses
a shadow stack to ...