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Re: ld for coff-m68k
Le mardi 02 octobre 2007 à 11:03 +0100, Nick Clifton a écrit :
> Hi Bruno,
>
Hi Again ;-)
It works well. I added align 1 to try to change alignment of the data
section and forgot to remove it. I remove it and replace SUBALIGN (2) by
ALIGN(2) and it works also.
Thanks to you
Bye
Bruno
> > If you have a look in the map file
> >
> > Two bytes are added by the linker after the declaration of DATA_B
> > (*fill*). It is these two bytes that I want to "remove"
>
> Understood. So the reason that the bytes are being inserted is that the .data
> section in the list.o file has a 4-byte alignment requirement. (Try running
> "objdump -h list.o" to see this). You can tell the linker to ignore the
> alignment requirements of input sections however and instead use your own
> alignment specification by using the SUBALIGN linker script directive. So if
> you change the link_command script so that the data output section looks like this:
>
> data 0 : SUBALIGN(2) { *.data }
>
> and then link your executable you should get the desired results. (You do not
> need to add -N or -n to the linker command line).
>
> Cheers
> Nick
>
--
Bruno Vetel <bruno.vetel@wanadoo.fr>