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Fri, 08 Dec 2023 03:29:56 -0800 (PST) X-Google-Smtp-Source: AGHT+IHH3ycPzFLg1AsY5ZDF2IXX618u/IAjAf3bGy9eSY0Ywj1Ciok7JcLDF/1/wzUibJTQc4IfzA== X-Received: by 2002:a05:600c:501e:b0:40b:5e1c:af31 with SMTP id n30-20020a05600c501e00b0040b5e1caf31mr2384731wmr.55.1702034996626; Fri, 08 Dec 2023 03:29:56 -0800 (PST) Received: from [192.168.1.11] ([79.123.79.31]) by smtp.gmail.com with ESMTPSA id t8-20020a05600c450800b0040b4c7e1a65sm4790876wmo.13.2023.12.08.03.29.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 08 Dec 2023 03:29:56 -0800 (PST) Message-ID: Date: Fri, 8 Dec 2023 11:29:49 +0000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Question: default linker scripts and emulations To: Georg-Johann Lay , binutils@sourceware.org References: <26f6143b-cd4c-4c7d-bf06-4265d17f417f@gjlay.de> <627688a1-176c-4a8e-984e-3848c902b273@redhat.com> <93a44089-7ad5-4122-9df4-1cce6042c648@redhat.com> <22a26c57-7fab-4372-866a-4aa2b7c5a523@gjlay.de> From: Nick Clifton Autocrypt: addr=nickc@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.9 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_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE 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: Hi Johann, > My current solution only requires a few changes to Binutils: > > * Introduce new emulations. > > * In ld/emulparams/avr*.sh, just set ARCH=avr:102 (something that already exists) >   etc. and everything falls into place. > > Benefit is that ld-scripts are maintained in one canonical place. > > Anything other than a new emulation seems not feasible because ld/genscripts.sh > has so many implicit assumptions that it's no fun to fight against it... > Just swim with the flow et voilà; it's just a few lines in ld/Makefile.am and > ld/configure.tgt (apart from the ld-scripts generation, which is just where > I want that to happen). Ok, that seems a lot more reasonable. So - what emulations do you want, and how do they differ from the already existing (avr) emulations ? If you want to write a patch for the binutils that would be fine, otherwise if you can outline what you need I will do my best to create the patch for you. Cheers Nick