Re: [Qemu-devel] Sparc-linux-user problem

["Kevin F. Quinn" <ml@kevquinn.com>]

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On Sat, 28 Apr 2007 18:20:55 +0100
Paul Brook <paul@codesourcery.com> wrote:

> On Saturday 28 April 2007, Blue Swirl wrote:
> > Hi,
> >
> > I'm investigating why Sparc32 user emulator breaks when linked with
> > -lrt. It seems that other libraries also cause the problem, for
> > example -lm -ldl -lX11 -lbfd -lslang is okay, but  -lm -ldl -lX11
> > -lbfd -lslang -lglib-2.0 segfaults just like -lm -lrt. If just
> > address space conflict was the issue, I'd think 12 megs libbfd
> > would trigger the problem instead of 64k librt.
> >
> > Any ideas?
> 
> I've never got this to work reliably on either x86 or amd64 hosts. I
> get mysterious segfaults in the depths of libc. My guess is that the
> tricks qemu uses to link itself as a shared library are confusing
> things (possibly the TLS initialisation).

I don't suppose using gcc/binutils -fPIE/-pie would achieve qemu's
goals, thus avoiding the need to specify bespoke ld scripts?

-- 
Kevin F. Quinn

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