You may also want to look at Dawson Engler's VCODE. Like GNU Lightning it's not been touched in a while.

Ian

Gwenole Beauchesne wrote:

On Thu, 19 May 2005, Paul Brook wrote:



Do you have a URL? Neither google nor freshmeat.net turn up anything useful.



Sorry, here it is: <http://svn.valgrind.org/vex/trunk/> (used for valgrind 3.0) <http://www.valgrind.org/devel/cvs_svn.html>



It would be nice if we could use some sort of portable JIT library, however I think in reality a few qemu specific hacks(most of which we already use with dyngen) and a relatively dumb JIT are going to perform better.



What about using GNU lightning as an intermediate solution? It has a RISC-style ISA with up to 6 registers exposed. It's "dumb" (no optimization) but it's good at generating code. I think it matches most the "synthetic instruction" approach of dyngen.



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