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Re: Reloc BUG in as


Geoff Keating <geoffk@geoffk.org> writes:

> > Date: Fri, 2 Mar 2001 03:06:04 +0100 (CET)
> > From: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
> > 
> > Hi.
> > 
> > as sometimes does not create reloc entry. It is a bug. Tested on binutils
> > 2.10.91.
> 
> Actually, it's the reverse, isn't it?  GAS should never create the
> reloc for 'call a-b', since it can compute it correctly while assembling.

That is arguably true.  However, in that case gas needs to generate a
call to the absolute address.  But it doesn't.  It generates a
PC-relative call.

There are two correct options: 1) generate a call to the absolute
address; 2) generate a PC-relative call with a relocation which the
linker will resolve to the absolute address.  In the failing case, gas
takes neither option.

Ian


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