Explicit field layout

[Duncan Sands]

>     I am writing a new GCC front end. One of the features provided by my 
> language (CIL) is explicit field layout and size for records.
>    
>     I don't know if any other languaje supported by GCC provides this 
> feature. If that's the case, please point me to it so that I can see how 
> to do it.

Ada provides this.  See for example section 13.5 of the reference manual
(http://www.adaic.com/standards/index.html).

Best wishes,

Duncan.