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[174.21.143.238]) by smtp.gmail.com with ESMTPSA id p12sm6338792pgk.40.2020.07.10.12.30.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Jul 2020 12:30:22 -0700 (PDT) Subject: Re: Updates on libcapstone? To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-devel References: <16ea7c6b-d959-9df2-0603-d07e40ff4021@redhat.com> From: Richard Henderson Message-ID: Date: Fri, 10 Jul 2020 12:30:20 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <16ea7c6b-d959-9df2-0603-d07e40ff4021@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102a.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Thomas Huth , "Daniel P . Berrange" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 7/9/20 6:07 AM, Philippe Mathieu-Daudé wrote: > I remember you had a series related to capstone, but eventually there > was a problem so you postponed it until some patches were merged > upstream, do you remember? I do. My biggest problem with libcapstone is that it doesn't have an automated way to merge from upstream llvm, so it doesn't get any new architecture updates. What I think we should do is drop libcapstone entirely, and use libllvm directly. It's a bit more code to use, but llvm is where new architectures (and architecture extensions) get merged. A mere matter of coding... r~