[PATCH 0/3] clang-14 fixes

[Simon Glass]

Hi Tom,

On Sat, 8 Oct 2022 at 21:33, Simon Glass <sjg at chromium.org> wrote:
>
> This series contains a few clang-14 fixes to partly resolve the problems
> shown by [1].
>
> The event_dump problem is that the symbol name is not printed by
> addr2line even though it seems to be present:
>
> Without LTO:
>
>    $ addr2line -e u-boot.clang14.no-lto 4a37f
>    addr2line: DWARF error: invalid or unhandled FORM value: 0x23
>    vbe_simple.c:?
>
>    $ nm u-boot.clang14.no-lto |grep 4a37f
>    000000000004a37f t bootmeth_vbe_simple_ft_fixup
>
> With LTO is even worse:
>
>    $ addr2line -e u-boot.clang14.lto 2d2ee0
>    addr2line: DWARF error: invalid or unhandled FORM value: 0x23
>    ??:0
>
>    $ nm u-boot.clang14.lto |grep 4dad1
>    000000000004dad1 t bootmeth_vbe_simple_ft_fixup
>
> Perhaps this is a bug in addr2line or the clang DWARF output?
>
> [1] https://source.denx.de/u-boot/u-boot/-/jobs/510282#L287

I should have mentioned that I can respin the series to deal with
this, perhaps by not requiring the function name to be present when
clang is used (or just at all?)

Plus I have one more patch to add for the LTO stuff.

Let me know what you think and I can respin this this.

>
>
> Simon Glass (3):
>   dm: core: Fix lists_bind_fdt() using non-existent of_match
>   event: Drop the path when checking event-list filenames
>   test: Drop unwanted option in event_dump.py
>
>  drivers/core/lists.c             | 4 +++-
>  scripts/event_dump.py            | 2 --
>  test/py/tests/test_event_dump.py | 4 ++--
>  3 files changed, 5 insertions(+), 5 deletions(-)
>
> --
> 2.38.0.rc1.362.ged0d419d3c-goog
>

Regards,
Simon