On Tue, Jun 11, 2019 at 02:34:02PM +0200, Peter Zijlstra wrote: > Bugger, this isn't right. It'll jump to the beginning of the trampoline, > even if it is multiple instructions in, which would lead to executing > instructions twice, which would be BAD. > > _maybe_, depending on what the slot looks like, we could do something > like: > > offset = regs->ip - (unsigned long)bp_int3_addr; > regs->ip = bp_int3_handler + offset; > > That is; jump into the slot at the same offset we hit the INT3, but this > is quickly getting yuck.
Yeah, that won't work either... it needs something far more complex :/
