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Fri, 05 Dec 2025 11:10:33 -0800 (PST) MIME-Version: 1.0 References: <2f8e6564c0110db9be7ed9b5ab78ee5c9349ca0a.camel@gnu.org> <3188e560-bf2b-4b31-9347-9ed870fb3eb3@simark.ca> <41e77752-34ad-463a-99a1-9c35b7220b16@simark.ca> <06f0c692e3392a1040506f17929b42fd9a863ed4.camel@gnu.org> In-Reply-To: <06f0c692e3392a1040506f17929b42fd9a863ed4.camel@gnu.org> Date: Fri, 5 Dec 2025 19:10:24 +0000 X-Gm-Features: AQt7F2qlfCAEM7D-Qu4aqdXgEYztAv__YFQswWAiJ7D4G1dDIPTz-noJH7am844 Message-ID: Subject: Re: GDB 16.3: is it possible to cross-debug an x64 core from ARM? To: psmith@gnu.org Cc: Simon Marchi , gdb@sourceware.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.30 X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Luis via Gdb Reply-To: Luis Errors-To: gdb-bounces~public-inbox=simark.ca@sourceware.org Sender: "Gdb" To be honest, the aarch64 sim is very outdated. I'm not sure why we still carry it around. On Wed, Dec 3, 2025, 13:14 Paul Smith via Gdb wrote: > On Mon, 2025-12-01 at 16:13 -0500, Simon Marchi wrote: > > I think I found the problem: > > > > https://gitlab.com/gnutools/binutils-gdb/- > > /blob/887bcaf98ea8e1ef76f6dd429b01b5258a782172/sim/configure.ac#L73 > > > > We essentially do: > > > > for targ in aarch64-unknown-linux-gnu x86_64-linux-gnu; do > > // try to match $targ against all known targets > > done > > Thanks, I was in the middle of looking at that when I got your email :) > > I submitted a patch to fix this: > https://sourceware.org/pipermail/gdb-patches/2025-December/223119.html > > I did it a different way than the simplest option, but that to me seems > safer and more reliable. I tried to keep with the same style used in > other sh code in configure.ac. >