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[2001:8b0:bf73:93f7::51bb:e332]) by smtp.gmail.com with ESMTPSA id m19-20020a05600c3b1300b0041624540918sm655137wms.9.2024.04.04.15.44.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Apr 2024 15:44:06 -0700 (PDT) Received: from jsm28 (helo=localhost) by digraph.polyomino.org.uk with local-esmtp (Exim 4.95) (envelope-from ) id 1rsVnz-002lA2-8S; Thu, 04 Apr 2024 22:43:35 +0000 Date: Thu, 4 Apr 2024 22:43:35 +0000 (UTC) From: Joseph Myers To: Alan Modra cc: Luis Machado , "H.J. Lu" , binutils@sourceware.org, goldstein.w.n@gmail.com, sam@gentoo.org Subject: Re: [PATCH v12 0/6] elf: Use mmap to map in section contents In-Reply-To: Message-ID: References: <20240317121912.799372-1-hjl.tools@gmail.com> <28b4cf0e-c642-4312-9f2e-92b3932c9931@arm.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII X-Spam-Status: No, score=-3.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,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 List-Id: On Fri, 5 Apr 2024, Alan Modra wrote: > On Thu, Apr 04, 2024 at 08:27:50PM +0000, Joseph Myers wrote: > > On Thu, 4 Apr 2024, Luis Machado wrote: > > > > > Probably known, judging from the e-mail reworking _bfd_mmap_read_temporary, but I thought I'd mention anyway. > > > > > > Looks like this might be causing gdb crashes of the following nature: > > > > It's also causing segfaults linking libstdc++ for powerpc64-linux-gnu in > > build-many-glibcs.py, when using binutils and GCC mainline. > > Likely fixed with b43b352837ea. I confirmed it's still present as of 16810e455feb26ef826a3ed876d6d7e6d24818b0, which is more recent. -- Joseph S. Myers josmyers@redhat.com