static int parasite_start_daemon(struct parasite_ctl *ctl)
{
pid_t pid = ctl->rpid;
struct infect_ctx *ictx = &ctl->ictx;
/*
* Get task registers before going daemon, since the
* compel_get_task_regs needs to call ptrace on _stopped_ task,
* while in daemon it is not such.
*/
if (get_task_regs(pid, &ctl->orig.regs, ictx->save_regs,
ictx->regs_arg, ictx->flags)) {
pr_err("Can't obtain regs for thread %d\n", pid);
return -1;
}
if (ictx->make_sigframe(ictx->regs_arg, ctl->sigframe, ctl->rsigframe, &ctl->orig.sigmask))
return -1;
if (parasite_init_daemon(ctl))
return -1;
return 0;
}
int compel_get_thread_regs(struct parasite_thread_ctl *tctl, save_regs_t save, void * arg)
{
return get_task_regs(tctl->tid, &tctl->th.regs, save, arg);
}
