On 06/01, Dmitry Safonov wrote:
>
>  static int fill_thread_core_info(struct elf_thread_core_info *t,
>                                const struct user_regset_view *view,
> -                              long signr, size_t *total)
> +                              long signr, size_t *total,
> +                              struct pt_regs *regs __maybe_unused)
>  {
>       unsigned int i;
>  
> @@ -1652,11 +1653,11 @@ static int fill_thread_core_info(struct 
> elf_thread_core_info *t,
>        */
>       fill_prstatus(&t->prstatus, t->task, signr);
>       (void) view->regsets[0].get(t->task, &view->regsets[0],
> -                                 0, PR_REG_SIZE(t->prstatus.pr_reg),
> +                                 0, PR_REG_SIZE(t->prstatus.pr_reg, regs),

Hmm. I don't understand this... Note that this "regs" argument has nothing
to do with t->task if the process is multithreaded,

> @@ -1772,7 +1773,8 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
>        * Now fill in each thread's information.
>        */
>       for (t = info->thread; t != NULL; t = t->next)
> -             if (!fill_thread_core_info(t, view, siginfo->si_signo, 
> &info->size))
> +             if (!fill_thread_core_info(t, view, siginfo->si_signo,
> +                                     &info->size, regs))

fill_note_info(..., args) is called with args = task_pt_regs(dumper_thread).

Oleg.

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