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I do have an opinion, but don't have enough time to comment in much depth. The approximate approach I had in mind sounds like what you describe, though, the JITObjectWriter is the core piece, the other pieces probably fall into place as it becomes obvious if they are needed. It should be pretty straightforward to bring up something which works for running code with no external symbols, if you want to start this, I would recommend just trying to write the JITObjectW...

...to this email sooner. No problem, I was not in a hurry. :) > The approximate approach I had in mind sounds like what you describe, Ok Cool ! > I have been meaning to do this, but won't have time for a couple weeks I suspect. So I will give it a try. :) I was able to quickly hack a JITObjectWriter and I am able to execute simple functions (with no relocation in it). I'm hitting some designs questions and before going in relocations, I think, it's good to discuss them : - I have created a JITX86AsmBackend which creates the JITObjectWriter. The function which is registered to creat...

Hi Chris, Thanks for taking time to communicate on this. In your open points, you speak about upgrading the JIT code path. If I want to take a look (or at least try...) on it, what would be the "roadmap" ? I assume, a MCJITStreamer is needed. And probably a JITObjectWriter (inherits from MCObjectWriter) and an associated TargetAsmBackend specific to the JIT (JITX86AsmBackend) ? What would be the chaining of calls ? The JITObjectWriter::WriteObject is called via the AsmPrinter::doFinalization. But how the AsmPrinter will be created ? What was on your mind on this...

...municate on this. Sorry I missed responding to this email sooner. > In your open points, you speak about upgrading the JIT code path. If I want to take a look (or at least try...) on it, what would be the "roadmap" ? > > I assume, a MCJITStreamer is needed. > And probably a JITObjectWriter (inherits from MCObjectWriter) and an associated TargetAsmBackend specific to the JIT (JITX86AsmBackend) ? > > What would be the chaining of calls ? The JITObjectWriter::WriteObject is called via the AsmPrinter::doFinalization. But how the AsmPrinter will be created ? I'm not sure the...

On Apr 9, 2010, at 23:32:12, Chris Lattner wrote: > Several people have asked what the MC project is all about, and it is now getting to a point where it is pretty interesting and there are lots of potential projects for people who are interested. I wrote a big post about what it is here: > http://blog.llvm.org/2010/04/intro-to-llvm-mc-project.html Thanks for the post, Chris. It

Several people have asked what the MC project is all about, and it is now getting to a point where it is pretty interesting and there are lots of potential projects for people who are interested. I wrote a big post about what it is here: http://blog.llvm.org/2010/04/intro-to-llvm-mc-project.html Thoughts and comments welcome, -Chris