Linker -T Option

Alan Modra amodra@gmail.com
Tue May 3 07:53:00 GMT 2011


On Tue, May 03, 2011 at 10:38:01AM +0530, Ajay Jain wrote:
> I am confused on seeing a build snippet working fine:
> powerpc-linux-gnu-gcc -T my.lds test.o -o test
> 
> As per my understanding, I need to give a -Wl,T option for this to work i.e.
> powerpc-linux-gnu-gcc -Wl,-T my.lds test.o -o test
> 
> (1) How is this working with -Wl?
> (2) This lds creates a section after ro data. I was under the
> impression that any lds specified with -T is independent and complete.
> But if this lds is declaring just one section, then how does the code
> link?

gcc understands the -T flag, and passes it on to ld.  Does your script
use INSERT?  If it does, then -T does not stop the linker using the
default script.  If it doesn't use INSERT, then other sections are
handled as orphans.

-- 
Alan Modra
Australia Development Lab, IBM



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