[PATCH v2] elf: Use uint64_t for common symbol alignment warning

[Collin Funk]

"H.J. Lu" <hjl.tools@gmail.com> writes:

> On Thu, Oct 2, 2025 at 11:01 AM Collin Funk <collin.funk1@gmail.com> wrote:
>>
>> "H.J. Lu" <hjl.tools@gmail.com> writes:
>>
>> > +               uint64_t c_align = UINT64_C (1) << common_align;
>> > +               uint64_t n_align = UINT64_C (1) << normal_align;
>> > [...]
>> > +                   (_("warning: alignment %" PRId64 " of common symbol `%s' in %pB is"
>> > +                      " greater than the alignment (%" PRId64 ") of its section %pA"),
>> > +                    c_align, name, common_bfd,
>> > +                    n_align, h->root.u.def.section);
>> > [...]
>> > +                   (_("warning: alignment %" PRId64 " of normal symbol `%s' in %pB"
>> > +                      " is smaller than %" PRId64 " used by the common definition in %pB"),
>> > +                    n_align, name, normal_bfd,
>> > +                    c_align, common_bfd);
>>
>> Doesn't this cause -Wformat-signedness errors? Since PRId64 is for
>> int64_t, not uint64_t.
>>
>> Collin
>
> Here is the v2 patch with PRIu64.
>
> Thanks.

Looks good to me. Confirmed that it fixed the ubsan error.

Reviewed-by: Collin Funk <collin.funk1@gmail.com>

Collin