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Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DU2PEPF0001E9C0.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU5PR08MB10756 X-Spam-Status: No, score=-5.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, FORGED_SPF_HELO, KAM_DMARC_NONE, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE, UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Most of the SME (Scalable Matrix Extension) runtime support is in libgcc, a bit of that has to be repeated in the libc so we don't depend on libgcc to handle the ZA register state in longjmp. Szabolcs Nagy (4): aarch64: Add SME runtime support aarch64: Add longjmp support for SME aarch64: Add setcontext support for SME aarch64: Add longjmp test for SME sysdeps/aarch64/Makefile | 13 +- sysdeps/aarch64/__arm_za_disable.S | 112 ++++++++ sysdeps/aarch64/__longjmp.S | 22 ++ sysdeps/aarch64/rtld-global-offsets.sym | 10 + sysdeps/aarch64/tst-sme-jmp.c | 278 +++++++++++++++++++ sysdeps/unix/sysv/linux/aarch64/setcontext.S | 19 ++ 6 files changed, 451 insertions(+), 3 deletions(-) create mode 100644 sysdeps/aarch64/__arm_za_disable.S create mode 100644 sysdeps/aarch64/rtld-global-offsets.sym create mode 100644 sysdeps/aarch64/tst-sme-jmp.c