Re: RISC-V ABI issue with ULEB128

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On Thu, Jan 4, 2024 at 11:20 AM Nick Clifton <nickc@xxxxxxxxxx> wrote:
>
> Hi David, Hi Florian,
>
> >>>> Here's the bug:
> >>>>
> >>>> https://sourceware.org/bugzilla/show_bug.cgi?id=31179
> >>>> RISC-V: The SET/ADD/SUB fix breaks ABI compatibility with 2.41 objects
> >>>>
> >>>> It refers to this change in binutils 2.41:
> >>>>
> >>>> https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=73d931e560059a87d76f528fafbb4270a98746bc
>
> FYI, a second patch is also needed: "RISC-V: Clarify the behaviors of SET/ADD/SUB relocations."
> This is commit: 2029e13917d53d2289d3ebb390c4f40bd2112d21

Yes. This one is the actual fix. The one mentioned above is a
temporary workaround to accept older broken object files.

>
>
> > In Fedora/RISCV we typically end up using the latest available
> > binutils. We are slightly different from upstream/normal Fedora.
>
> I have now backported both of the above commits to rawhide binutils.
> Build: binutils-2.31-18.fc40

I saw you making some builds, and I had a guess that you are most
likely working on it :)

binutils-2.31-18.fc40 didn't land in f40 as Bodhi CI gating marked it
as failed. The failures don't seem to be related to binutils package
itself. Seems like CI test is/was broken, or maybe a temporary network
issue, or something else.

Cheers,
david

>
> Cheers
>    Nick
>
>
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