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[89.250.200.19]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-38c532f41efsm14820321fa.29.2026.03.27.10.04.10 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Mar 2026 10:04:10 -0700 (PDT) From: Michal Lach To: Binutils Subject: [RFC] Disabling -z execstack per emulation User-Agent: mu4e 1.12.12; emacs 30.2 Date: Fri, 27 Mar 2026 18:04:08 +0100 Message-ID: <87a4vtdx13.fsf@phoenix-rtos.com> MIME-Version: 1.0 X-Spam-Status: No, score=-11.9 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, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on sourceware.org X-BeenThere: binutils@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: binutils-bounces~patchwork=sourceware.org@sourceware.org Hi, I was wondering about having an emulation parameter for elf.am based emulations to disable usage of -z execstack. The rationale is that there are systems that do not allow for creation of executable stack mappings, such as OpenBSD, on which warnings about executable stacks will appear regardless; that is a bit misleading. I'd like to ask for any thoughts on the matter described. I'm attaching a patch with a draft of how I have this implemented right now. --- -- 2.53.0 -- - Michal Lach diff --git a/ld/emultempl/elf.em b/ld/emultempl/elf.em index 37bdfff051c..1fd03b9b859 100644 --- a/ld/emultempl/elf.em +++ b/ld/emultempl/elf.em @@ -900,7 +900,7 @@ gld${EMULATION_NAME}_handle_option (int optc) break; case OPTION_NO_ROSEGMENT: link_info.one_rosegment = false; - break; + break; EOF if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then @@ -998,11 +998,25 @@ fragment <