llvm dev - Apr 2012 - [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.
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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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