On Thu, 17 Dec 2020 at 22:45, Claudio Fontana <cfont...@suse.de> wrote:
>
> On 12/17/20 9:15 PM, Peter Maydell wrote:
> > On Thu, 17 Dec 2020 at 19:46, Claudio Fontana <cfont...@suse.de> wrote:
> > Yeah, don't try to ifdef out struct fields in common-compiled code...
>
> or should I? Using
>
> #ifdef NEED_CPU_H
> #ifdef CONFIG_SOFTMMU
>
> seems to do what I expect. Is it wrong?

I think that gives you two versions of the struct:
- one seen by compiled-once files and by compiled-per-target softmmu files
- one seen by compiled-per-target user-only files

Since the user-only target executables link both compiled-per-target
and compiled-once files I think they end up with different C files
thinking the same struct has a different layout/size which seems
like it's going to cause problems.

thanks
-- PMM

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