> 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 _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
