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Re: [Qemu-devel] Problem with PPC user emulation.


From: Karel Gardas
Subject: Re: [Qemu-devel] Problem with PPC user emulation.
Date: Fri, 14 May 2004 21:44:19 +0200 (CEST)

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

Thanks,

Karel
--
Karel Gardas                  address@hidden
ObjectSecurity Ltd.           http://www.objectsecurity.com





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