Re: [avr-gcc-list] Specification of AVR ELF format?

[Daniel O'Connor]

On 24/09/2010, at 13:59, Wim Lewis wrote:

> On Thu, 23 Sep 2010, Weddington, Eric wrote:
>> I don't think that there is any documentation on the ELF format, other than 
>> what is in the source code (and patches). Certainly any documentation in 
>> this area would be welcome.
>> 
>> What kind of tool are you planning on writing?
> 
> I want to add ELF support to avrdude --- right now it's necessary to split 
> the program being loaded into multiple hex files and pass them as separate 
> arguments to avrdude, which is more trouble than it really needs to be. The 
> fraction of ELF that avrdude would need to understand in order to use the 
> linker's output file directly is pretty small; it seems like it'd be a 
> straightforward weekend project.
> 
> I'll see if I can write up a description of avr-gcc and binutils' 
> specialization of the ELF format and post it here for comment.

Can't you just use libbfd, or libelf?

Personally I have makefile rules to generate the hexfile to feed avrdude (and 
also have a 'prog' target which programs the micro).

--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
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