linker relocation of debug information

[Jeff Baker]

> > > If you can change the tools, I would try changing the binutils to
> > > relocate debug information.  I don't know if it will help, but it's
> > > probably worth a try.
> >
> > That was my plan.  I just need to figure out how to do that.
> 
> I don't know what your target is, but look for instances of
> SEC_DEBUGGING in the relevant files.

We're having problems on PPC, ARM and SH (amazingly MIPS actually works).
I've done the search for SEC_DEBUGGING but all references to it are
identical to those in our 2.10.1 branch.

I'm not going to do anything until I see where this thread ends up.