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Sun, 27 Jul 2025 01:07:28 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 76/82] linux-user/aarch64: Inject SIGSEGV for GCS faults Date: Sat, 26 Jul 2025 22:02:48 -1000 Message-ID: <20250727080254.83840-77-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250727080254.83840-1-richard.henderson@linaro.org> References: <20250727080254.83840-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.google.com 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1753604032538116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Pierrick Bouvier --- linux-user/aarch64/target_signal.h | 1 + linux-user/aarch64/cpu_loop.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/linux-user/aarch64/target_signal.h b/linux-user/aarch64/target= _signal.h index 6f66a50bfd..e509ac1032 100644 --- a/linux-user/aarch64/target_signal.h +++ b/linux-user/aarch64/target_signal.h @@ -7,6 +7,7 @@ =20 #define TARGET_SEGV_MTEAERR 8 /* Asynchronous ARM MTE error */ #define TARGET_SEGV_MTESERR 9 /* Synchronous ARM MTE exception */ +#define TARGET_SEGV_CPERR 10 /* Control protection fault */ =20 #define TARGET_ARCH_HAS_SETUP_FRAME #define TARGET_ARCH_HAS_SIGTRAMP_PAGE 1 diff --git a/linux-user/aarch64/cpu_loop.c b/linux-user/aarch64/cpu_loop.c index 7e9788abfb..00ff51c883 100644 --- a/linux-user/aarch64/cpu_loop.c +++ b/linux-user/aarch64/cpu_loop.c @@ -89,6 +89,11 @@ static void signal_for_exception(CPUARMState *env, vaddr= addr) si_code =3D TARGET_ILL_ILLOPN; break; =20 + case EC_GCS: + si_signo =3D TARGET_SIGSEGV; + si_code =3D TARGET_SEGV_CPERR; + break; + case EC_MOP: /* * FIXME: The kernel fixes up wrong-option exceptions. --=20 2.43.0