On Wed, Oct 25, 2023 at 10:27:41PM +0000, Qing Zhao wrote:
> 
> 
> > On Oct 25, 2023, at 6:06 PM, Kees Cook <keesc...@chromium.org> wrote:
> > 
> > On Wed, Oct 25, 2023 at 01:27:29PM +0000, Qing Zhao wrote:
> >> A.  Add an additional argument, the size parameter,  to __bdos, 
> >>     A.1, during FE;
> >>     A.2, during gimplification phase;
> > 
> > I just wanted to clarify that this is all just an "internal" detail,
> > yes?
> 
> YES!

Okay, I thought so, but I just wanted to double-check. :)

> > For example, the Linux kernel can still use __bdos() without knowing
> > the count member ahead of time (otherwise it kind of defeats the purpose).
> Don’t quite understand this, could you clarify? 

I was just trying to explain why a chance would be a problem. But it
doesn't matter, so nevermind. :)

> (Anyway, the bottom line is no change to the user interface, we just discuss 
> the internal implementation inside GCC) -:)

Great! I'll go back to lurking. :)

Thanks!

-- 
Kees Cook

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