Re: Cross debugger and load address (want download to VMA, not LMA)

[Bill Gatliff <bgat at billgatliff dot com>]

Toralf:


Toralf Lund wrote:

> Bill Gatliff wrote:
>
> > Toralf:
> >
> >
> > I usually just have two linker command scripts: one for flash, one 
> > for RAM.  They differ only in their specifications for LMA.
>
>
> Yeah, maybe that's not so bad... I generally fear such solutions, as I 
> know from experience that when you maintain two files that's supposed 
> to contain the same information, you'll sooner or later edit one of 
> them and forget about the other. But, I can of course do something like
>
> %.dbg.ld: %.ld
>    $(RM) $@
>    @echo "/* *** GENERATED, do not edit (consult $< instead) */" > $@
>    sed "s/AT[[:space:]]*>.*//" < $< >> $@
>
> in (GNU) make to avoid such issues... 


Yep.  Or even have a ld.x.in file with "macros" in it, that you feed 
through gcc's preprocessor to produce an ld.x.  Different macro 
definitions yield a different linker command file.

Six of one, half-dozen of the other.  Both ways are better than 
maintaining two truly separate linker command scripts, tho.

b.g.

--
Bill Gatliff
Embedded GNU, Linux, and other board support packages.
bgat@billgatliff.com



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