Re: [avr-gcc-list] port access with avr-gdb

[GOUY Yann]

Le sam 12/06/2004 à 14:15, Rob MacLachlan a écrit :
> Yes. it is possible to set I/O registers directly using GDB, but it's a 
> pain because the port location and format info is #defines in header 
> files, and is not known to GDB.  For this reason, I've never done this 
> other than as an experiment.  In comparison to the register browser of 
> AVRStudio, this is rather lacking.  You have to convert the I/O register 
>   number into a data space address, cast it to an appropriate type, then 
> assign to it.
> 
> I thought of writing some tool to translate the header file into a gdb 
> script as a way to get this info into gdb, but never did.  I suppose a 
> better solution would be to get this imported as symbol table info somehow.
> 

it seems to me that the registers don't appear in the symbol table.
if you take a look at the .lst file, you'll see accesses to
memory-mapped registers aren't decoded with the name of the registers.

regards.

        Yann

>    Rob
> 
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