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Re: [Qemu-devel] Problem with PPC user emulation.
From: |
Herbert Poetzl |
Subject: |
Re: [Qemu-devel] Problem with PPC user emulation. |
Date: |
Fri, 14 May 2004 22:33:28 +0200 |
User-agent: |
Mutt/1.4.1i |
On Fri, May 14, 2004 at 09:44:19PM +0200, Karel Gardas wrote:
> On Fri, 14 May 2004, Jocelyn Mayer wrote:
>
> > On Fri, 2004-05-14 at 21:26, Karel Gardas wrote:
> > > On Fri, 14 May 2004, Jocelyn Mayer wrote:
> > >
> > > > On Fri, 2004-05-14 at 19:59, Karel Gardas wrote:
> > > > > Hello,
> > > > >
> > > > > I've tried PPC user emulation provided by this week source tree, but
> > > > > w/o
> > > > > success. I've tested crosstool's 4 test binaries (hello world in c/c++
> > > > > static and dynamic) but all four crash with:
> > > > >
> > > > > thinkpad:/mnt/karel/cross-gcc/result/powerpc-405-linux-gnu/gcc-3.4.0-glibc-2.3.2/tmp$
> > > > > ppc.sh ./powerpc-405-linux-gnu-hello
> > > > > *** ERROR: idx a0 already assigned to a direct opcode
> > > > > *** ERROR: unable to join indirect table idx [a0-37]
> > > > > *** ERROR initializing PPC instruction 0xa0 0x37 0xfe
> > > > > /opt/qemu-scripts/bin/ppc.sh: line 3: 3496 Segmentation fault
> > > > > qemu-ppc -L
> > > > > /mnt/karel/cross-gcc/result/powerpc-405-linux-gnu/gcc-3.4.0-glibc-2.3.2/powerpc-405-linux-gnu/
> > > > > $@
> > > > > thinkpad:/mnt/karel/cross-gcc/result/powerpc-405-linux-gnu/gcc-3.4.0-glibc-2.3.2/tmp$
> > > > >
> > > > > I used crosstool-0.28-pre13 for building ppc crosscompiler which is
> > > > > gcc3.4.0 and glibc2.3.2 combination.
> > > > >
> > > >
> > > > What is your host machine ?
> > >
> > > Debian GNU/Linux 3.0.
> >
> > On a PC ?
>
> Err, sorry, yes, x86.
>
> > > Sure! I will send you the smaller one (C statically linked hello world
> > > app)
> >
> > Well, I need the Qemu executable, not the emulated program, because the
> > point you report is a bug inside qemu: it stops before trying to execute
> > any emulated code, and I want to study the way it's been compiled by
> > gcc...
>
> Ah, yes, sorry, I have not understood this. I will send it to you
> immediately. FYI: Qemu was compiled by gcc3.4.0 + fsf binutils 2.14
hmm, IIRC I had some issues with binutils 2.14 and gcc 3.4 ..
I upgraded to binutils 2.15.90.0.3 which fixed that ...
(might be completely unrelated, so do not rely on that)
best,
Herbert
> Thanks,
>
> Karel
> --
> Karel Gardas address@hidden
> ObjectSecurity Ltd. http://www.objectsecurity.com
>
>
>
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