[squirrelfish] [webkit-dev] [squirrelfish-dev][webkit-help]How to debug the Alignment Error in the JIT.

Hi When I use my browser to load some web site, sometimes it will crash with the Alignment Error, and the callstack will pointe to the jit code. I don't know how to debug this issue? anyone can give me some suggestion for how to debug the alignment error of jit? How can I get the javascript code of last execution when system crash, where should I add the debug information? my platform is wince and cpu is SH4, and I get my webkit in 2011. Any help explaining this would be much appreciated! -- BGs/Felix Shi