Re: [avr-gcc-list] Frame Layout, Stack Layout

[Josef Eisl]

Joerg Wunsch wrote:
> Josef Eisl <address@hidden> wrote:
> 
>> - In which order is the return address saved on the stack?
> 
> This is the area where the AVR is big-endian (as Georg-Johann already
> mentioned).  To add to the confusion, the saved address could have
> bits set that are not part of the PC on that device, making it really
> hard to spot when looking at a stack dump.  This is e.g. known for the
> ATmega16.
> 
> Keep in mind that the return address is stored on the stack as a word
> address, while the GNU tools use byte addressing for everything.
> 

My thanks to both of you. It is hard to figure these things out since
understanding a stack dump is more difficult than reading a assembler
listing.

Thanks again!

Josef