> The bigger problem is that you don't know what registers you can > clobber. For the pv_ops in hand-written asm, that a big pain. The code > either has to assume the worst, or the "relocator" has to do something > more sophisticated (like look for push/pop pairs surrounding the call, > perhaps?).
You could use the dwarf2 unwind tables. They have exact information what register has what. But it would likely get complicated. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/