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([2804:1b3:a7c3:d849:8c2f:e58d:3e6:9de5]) by smtp.gmail.com with ESMTPSA id zf29-20020a0568716a9d00b00176598b79d3sm4280668oab.24.2023.03.06.11.16.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Mar 2023 11:17:00 -0800 (PST) To: libc-alpha@sourceware.org, Florian Weimer , Carlos O'Donell Cc: Adhemerval Zanella Netto Subject: [PATCH v5 5/5] Remove set-hooks.h from generic includes Date: Mon, 6 Mar 2023 16:16:42 -0300 Message-Id: <20230306191642.347001-6-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230306191642.347001-1-adhemerval.zanella@linaro.org> References: <20230306191642.347001-1-adhemerval.zanella@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-12.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham 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: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Adhemerval Zanella via Libc-alpha From: Adhemerval Zanella Reply-To: Adhemerval Zanella Errors-To: libc-alpha-bounces+patch=linaro.org@sourceware.org Sender: "Libc-alpha" From: Adhemerval Zanella Netto The hooks mechanism uses symbol sets for running lists of functions, which requires either extra linker directives to provide any hardening (such as RELRO) or additional code (such as pointer obfuscation via mangling with random value). Currently only hurd uses set-hooks.h so we remove it from the generic includes. The generic implementation uses direct function calls which provide hardening and good code generation, observability and debugging without the need for extra linking options or special code handling. Reviewed-by: Carlos O'Donell --- {include => hurd}/set-hooks.h | 0 1 file changed, 0 insertions(+), 0 deletions(-) rename {include => hurd}/set-hooks.h (100%) diff --git a/include/set-hooks.h b/hurd/set-hooks.h similarity index 100% rename from include/set-hooks.h rename to hurd/set-hooks.h