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May need to update avr-as [Was: [Solved] GAS: Register equates ?]
- From: Erik Christiansen <dvalin at internode dot on dot net>
- To: binutils at sourceware dot org
- Date: Sat, 18 May 2013 20:50:10 +1000
- Subject: May need to update avr-as [Was: [Solved] GAS: Register equates ?]
- References: <20130518054245827615 dot e692b26e at gpio dot dk> <20130518064813645924 dot e7189647 at gpio dot dk> <20130518075428 dot GA1915 at ratatosk> <20130518111621366401 dot a6feb2ad at plustv dot dk>
- Reply-to: dvalin at internode dot on dot net
Well, I tried:
On 18.05.13 11:16, Jens Bauer wrote:
> Unfortunately I have to do without info. I also have to do without
> apt-get; I have only PowerMacs (eg. no intel). ...But regarding
> register equates...
> On AVR, try... rColor=17 ...and you will see it does not work.
and maybe your avr-as is past its use-by date, since I have no errors
rColor = 17
and it works:
$ nm obj/foo.elf | grep rC
00000011 A rColor
$ avr-as --version
GNU assembler (GNU Binutils) 2.20
> In other words: *ANY* equate that starts with lowercase 'r' would not
> work for me, when I wrote some assembly-code for AVR.
I'll admit to having encountered that in the past, and assume that I
updated avr-as to cure it, since I don't recall having done anything
> I ended up using the preprocessor #define instead (but I prefer to
> avoid the preprocessor now).
Yes, I did the same for many years, since there are then no mysterious
gcc interventions to fear. Now that my AVR coding is just a hobby, I'm
risking cpp, for the convenience of automatic tuning of the reams of SFR
addresses and bit numbers to the -mmcu=atmega...
I'll send a copy of "info gas" which you can read and search with your
favourite text editor. (And maybe we should move any more AVR stuff off
to the avr-chat or avr-gcc ML, where there's doubtless more interest in
"Walking on water and developing software from a specification are easy
if both are frozen." - Edward V. Berard