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RE: [avr-gcc-list] Function Pointers on AT90USB1287 and ATmega2561


From: Weddington, Eric
Subject: RE: [avr-gcc-list] Function Pointers on AT90USB1287 and ATmega2561
Date: Thu, 21 Feb 2008 23:08:09 -0700

 

> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> org] On Behalf Of Peter LaDow
> Sent: Thursday, February 21, 2008 6:52 PM
> To: address@hidden
> Subject: [avr-gcc-list] Function Pointers on AT90USB1287 and 
> ATmega2561
> 
> The AT90USB1287 and ATmega2561 push/pop 3 byte PC's with 
> call/ret and reti.  

AFAIK, that is incorrect. Only the ATmega2561 has a 3 byte PC. The
AT90USB1287 does not.

> However, function pointers on these parts 
> seem to be 2 bytes.
>  

What platform are you compiling on? (Linux, FreeBSD, Windows, Mac OS X,
Solaris, other)

Did you build the toolchain yourself?

If yes, did you include the mega256x patch?

Eric Weddington




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