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Thu, 19 Mar 2026 06:41:28 -0700 (PDT) MIME-Version: 1.0 References: <20260129181122.1426596-1-peter.maydell@linaro.org> <57424b3d-a34e-4fbe-9858-d45b8dd49150@gmail.com> In-Reply-To: <57424b3d-a34e-4fbe-9858-d45b8dd49150@gmail.com> From: Peter Maydell Date: Thu, 19 Mar 2026 13:41:16 +0000 X-Gm-Features: AaiRm50Sm36Plvm_TwH-y4QBH4-yis7-Clnb5KUH2hD-f5UflRxQVlH_qcap6QM Message-ID: Subject: Re: [PATCH] docs: Clarify gdb remote protocol AArch64 SVE and SME handling To: Luis Cc: gdb-patches@sourceware.org, Thiago Jung Bauermann , Manos Pitsidianakis Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org On Mon, 2 Feb 2026 at 23:41, Luis wrote: > > Hi, > > > On 30/01/2026 09:36, Peter Maydell wrote: > > On Thu, 29 Jan 2026 at 23:18, Luis wrote: > >> I don't feel comfortable setting this is stone before we have a > >> patch that clarifies how this separation between SVE and SME is > >> achieved. > > > > I agree that we don't want to commit this until we're happy that > > it's the right thing. This patch is my attempt to put down in a > > concrete form how I think this should work. > > > > When you talk about "a patch that clarifies how this separation > > between SVE and SME is achieved", what do you mean? A patch to > > gdb? With this proposal, current gdb I think should work without > > changes. The changes Thiago has are all because of the way that > > the Linux ptrace API has chosen to represent SVE and SME, AIUI. > > We need a couple things from what I can see. > > First we need to teach gdb about SME without SVE, and that's what Thiago > is working on. I=C2=B4d like to see that patch first before we adjust the > documentation for the SME-but-no-SVE mode. Just to make sure things match= . Hi -- I just wanted to come back to this thread to ask how the "native (ptrace) gdb SME-no-SVE" support is going. Do we now have that landed, or at least solid enough that we are happy to update the remote-protocol documentation? thanks -- PMM