Re: Addressing in Object Ada v/s GNAT (2013) showing Vast Differences

[Lucas Redding <lucas.redding@gmail.com>]

On Tuesday, September 8, 2015 at 8:12:57 AM UTC+1, Markus Schöpflin wrote:
> Well, we're using GNAT on Linux (32 & 64 Bit) and do a lot of binary record 
> layout fiddling, and never had any problems.
> 
> For example, our layout specifications (for a variant record in this case) 
> look like this:
> 
>   for RECORD_T use record at mod 2;
>     A1 at 0 range 0 .. 0;
>     A2 at 0 range 1 .. 7;
>     B  at 2 range 0 .. B_SIZE*8-1;
>     C  at 2 range 0 .. C_SIZE*8-1;
>   end record;
> 
> I guess yours are looking similar?
> 
> Markus

Yes Markus,

Ours are similar. There is no problem when using Object Ada, but we are having a problem with GNAT. The issue is that each compiler behaves differently as AMHo has pointed out.

Thanks nonetheless.

LR