llvm dev - May 2012 - [LLVMdev] Running LLVM JIT on qemu-system-arm

Hi James,

Thanks for your information.
Could you suggest any other framework that I could use for making a custom
JIT for ARM?
I am doing research on JIT compilation for a heterogeneous processor system.

Best,
Toan Mai

On Mon, Apr 30, 2012 at 3:55 PM, James Molloy <james.molloy at arm.com>
wrote:
> Hi Toan,
>
> The JIT for ARM (non-darwin) is completely broken and you should not expect
> it to work in its current state.
>
> Cheers,
>
> James
>
> -----Original Message-----
> From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at
cs.uiuc.edu] On
> Behalf Of Toan X. Mai
> Sent: 29 April 2012 07:37
> To: llvmdev at cs.uiuc.edu
> Subject: [LLVMdev] Running LLVM JIT on qemu-system-arm
>
>
> Hi all,
>
> I'm struggling to get lli work on qemu-system-arm. I already boot the
> system
> with a debian squeeze rootfs which contains a statically cross-compiled lli
> for armel. When I run ./lli hello.bc, I got the following error msg:
>
> ./lli: error creating EE: /lib/: cannot read file data: Is a directory
>
> afaik, this error is related to lli using dlopen() with a NULL path to
> resolve symbols for the main program (lli program) itself. This happens
> when
> lli initially tries to create an ExecutionEngine ("EE =
builder.create();"
> in lli.cpp), which leads to "if
> (sys::DynamicLibrary::LoadLibraryPermanently(0, ErrorStr)" in
> ExecutionEngine.cpp.
>
> Could anyone tell me how to resolve this?
>
> Thanks in advance!
> Toan Mai.
> --
> View this message in context:
>
>
http://old.nabble.com/Running-LLVM-JIT-on-qemu-system-arm-tp33763272p3376327
> 2.html
> Sent from the LLVM - Dev mailing list archive at Nabble.com.
>
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> Thanks for your information. 
> Could you suggest any other framework that I could use for making a custom
JIT
> for ARM?
> I am doing research on JIT compilation for a heterogeneous processor
system.
  If not for heterogeneous system, I would suggest QEMU. :)
Why not try to fix it?

Regards,
chenwj

-- 
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj

Could you tell me the current status of MIPS JIT?


On Mon, Apr 30, 2012 at 11:38 PM, 陳韋任 <chenwj at iis.sinica.edu.tw> wrote:
> > Thanks for your information.
> > Could you suggest any other framework that I could use for making a
> custom JIT
> > for ARM?
> > I am doing research on JIT compilation for a heterogeneous processor
> system.
>
>   If not for heterogeneous system, I would suggest QEMU. :)
> Why not try to fix it?
>
I'm afraid it's not straightforward to fix it, Chen.
>
> Regards,
> chenwj
>
> --
> Wei-Ren Chen (陳韋任)
> Computer Systems Lab, Institute of Information Science,
> Academia Sinica, Taiwan (R.O.C.)
> Tel:886-2-2788-3799 #1667
> Homepage: http://people.cs.nctu.edu.tw/~chenwj
>
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