[LLVMdev] Say hi to VMKit: JVM/LLVM, CLI/LLVM

Nicolas Geoffray nicolas.geoffray at lip6.fr
Wed Mar 26 11:41:27 PDT 2008

Very nice Torok! I applied most of the patch. A few comments:

1) What is your jni.h file? I can't compile the Jni.cpp file with your 
2) ISO C++ does not support %jd. x86_64 does not know about %lld?


Török Edwin wrote:
> Nicolas Geoffray wrote:
>> Hi everyone,
>> I've just checked in a JVM and a CLI for LLVM (called JnJVM and N3). 
>> Both are placed in the vmkit svn directory.
>> You can find the source code here:
> Very nice!
>> svn co http://llvm.org/svn/llvm-project/vmkit/trunk vmkit
>> Its licensed under the U of I Open Source License, so now that's in svn, 
>> you can change whatever you want, as long as HelloWorld.java and 
>> HelloWorld.cs work ;-)
>> I haven't tested the build process on many machines, mostly on gentoo 
>> linux/x86 and linux/ppc. There are probably some dev libs that VMKit 
>> requires and the configure script does not check. A good thing would be 
>> to make the build process cleaner.
> The code is not 64-bit clean, attached is a patch to get it compile on
> x86-64 Linux.
> I also fixed some g++-4.2 warnings (const issues, symbol visibility).
> The libJnJVM directory builds, but it won't run, I get endless messages
> like this:
> ; ****************************************************** ;
> ;         SIGSEGV occured during a collection            ;
> ;   I'm trying to let the allocator in a coherent stat   ;
> ; but the collector is DEAD and will never collect again ;
> ; ****************************************************** ;
> Probably there are more 64-bit issues to solve. Unfortunately I don't
> have time to look into this deeper now.
> Best regards,
> --Edwin
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