[llvm-commits] Enable exceptions in JIT for Darwin

[Eric Christopher]

On Aug 19, 2008, at 8:04 AM, Nicolas Geoffray wrote:

> Here's a patch that enables exception handling on Darwin with the  
> JIT. It's really ugly, it's a workaround to work with libgcc which  
> is doing crazy stuff when unwinding the stack. The __register_frame  
> function was sufficient enough for Linux, but unfortunately, the  
> code for darwin erases by default the registered frames. In a  
> perfect world, I think libgcc should be modified....

FWIW this is due to keymgr if I recall correctly. Hopefully that'll  
all be fixed at some point, but we can't do it at the moment. I think  
your patch looks just fine though. (And yes, ugly code calls for ugly  
workarounds. *sigh*)

-eric