Steven Rostedt writes: > On Thu, 2009-10-22 at 13:30 -0700, Adam Nemet wrote: > > Also note that for functions invoked via tail call you won't get an exit > > event. E.g. if bar is tail-called from foo: > > > > foo entered > > bar entered > > foo/bar exited > > > > However, this is not MIPS-specific and you can always disable tail calls > > with -fno-optimize-sibling-calls. > > The question is, would bar have a _mcount call? So far, we have not had > any issues with this on either x86 nor PPC. Yes, bar will have an _mcount call. The difference is that bar will return to foo's caller directly rather than to foo first. Adam
