On Wed, Nov 4, 2015 at 2:54 AM, Shirish Gajera <[email protected]> wrote: > Hi, > > I have kcore and I want to get userspace backtrace from kcore. I looked at > some macro but still this is just giving me kernel backtrace only. What I > want is userspace backtrace. > > Good news is I have pointer to task_struct. > > task_struct->thread->sp (Kernel stack pointer) > task_struct->thread->usersp (user stack pointer) but this is junk >
you tried task_thread_info and task_stack_page? > My question is how to get userspace backtrace (or stack pointer) from kcore > or task_struct ? > > - Shirish > > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > -- ---P.K.S _______________________________________________ Kernelnewbies mailing list [email protected] http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
