From: Will Hawkins <hawkinsw@obs.cr>
To: "Jose E. Marchesi" <jose.marchesi@oracle.com>
Cc: Nick Clifton <nickc@redhat.com>, binutils@sourceware.org
Subject: Re: [PATCH v2 1/1] objdump, as: Add callx support for BPF CPU v1
Date: Wed, 14 Feb 2024 11:04:55 -0500 [thread overview]
Message-ID: <CADx9qWjFLsoNe+7it0hx8_HAC5g0rO97eFfG45khrtiO=pdKxA@mail.gmail.com> (raw)
In-Reply-To: <87jzn7nwhe.fsf@oracle.com>
On Wed, Feb 14, 2024 at 5:58 AM Jose E. Marchesi
<jose.marchesi@oracle.com> wrote:
>
>
> > First, as I said yesterday in my direct message to you, thank you for
> > making binutils such a pleasant place to contribute to FOSS. You have
> > no idea what that means to contributors like me!
> >
> > Second, thank you for this helpful critique. I really appreciated
> > reading your feedback and will reply inline below (including with an
> > offer for a patch unrelated to callx that may clean up some of the
> > non-constant uses throughout the bpf-specific code).
> >
> > Third, there is good news: The heavy lifting of this patch is largely
> > "overcome by events" -- clang/llvm developers are changing their
> > encoding of the callx instruction to more closely match what gcc does.
> > In fact, v3 of this patch will look much more like v1 than v2.
>
> Hi Will.
>
> It seems to me that all we need binutils-wise is to enable the callx
> instruction with BPF >= v1. No other changes are necessary as far as I
> can see, other than adjusting the testsuite accordingly.
It should be making its way across the Internet to you now!
The only thing ... it will probably cause a build error until a
corresponding patch in the simulator lands that takes into
consideration the new enum value.
I am happy to handle that however you like!
Sorry for the delay!
Will
>
> Thanks!
next prev parent reply other threads:[~2024-02-14 16:05 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-12 17:42 [PATCH v2 0/1] Add BPF callx support to objdump and as Will Hawkins
2024-02-12 17:42 ` [PATCH v2 1/1] objdump, as: Add callx support for BPF CPU v1 Will Hawkins
2024-02-13 11:57 ` Nick Clifton
2024-02-14 4:17 ` Will Hawkins
2024-02-14 10:58 ` Jose E. Marchesi
2024-02-14 16:04 ` Will Hawkins [this message]
2024-02-14 16:14 ` Jose E. Marchesi
2024-02-14 16:19 ` Will Hawkins
2024-02-15 15:32 ` Jose E. Marchesi
2024-02-15 21:44 ` Will Hawkins
2024-02-15 10:32 ` Nick Clifton
2024-02-12 18:39 ` [PATCH v2 0/1] Add BPF callx support to objdump and as Jose E. Marchesi
2024-02-12 22:25 ` Will Hawkins
2024-02-12 22:38 ` Will Hawkins
2024-02-12 22:50 ` Yonghong Song
2024-02-12 22:55 ` Will Hawkins
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