> On Nov 29, 2018, at 9:21 AM, Steven Rostedt <rost...@goodmis.org> wrote: > > On Thu, 29 Nov 2018 12:20:00 -0500 > Steven Rostedt <rost...@goodmis.org> wrote: > > >> r8 = return address >> r9 = function to call >> > > Bad example, r8 and r9 are args, but r10 and r11 are available. > > -- Steve > >> push r8 >> jmp *r9 >> >> Then have the regs->ip point to that trampoline.
Cute. That’ll need ORC annotations and some kind of retpoline to replace the indirect jump, though. >> >> -- Steve >
