From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 491E3385840D for ; Wed, 24 Apr 2024 13:58:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 491E3385840D Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 491E3385840D Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1713967111; cv=none; b=cexPXPCM4NzzGGXEbvh4BXMEw6GJmLLH120FNJug1bRcVcLbHBdhaptXXsaveNy2kAalTkATM7wRVLUcfMa+zqpKoJ9IdQg3n9ZJvkKPAgsytkpRpweFNbDQZZhvZ+J585/e9q1V9rk1OOqHG10NNXsz9EKSr9couwOAErNP+fI= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1713967111; c=relaxed/simple; bh=n+hTo2OeHBCZsfMrzPIjg9T64CCigPkbbxamyyWTj0I=; h=DKIM-Signature:Message-ID:Date:MIME-Version:To:From:Subject; b=o527ywpjuBk3mJKCqRFhntdgA1uyyEw0KrYm8DdvoOdo4UavAKiPBU/makfp+3Lh4FBD3l1kRqgA34CdL1zSTQAk7dIXfUvblfTQzbLcZ2qj5hgUSVVUzu7e3w1VE9qbg7SzL3/yZXtvzjCEMT/BXI6ydUd6tV0UCtPbPIUbqiY= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1713967109; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding:autocrypt:autocrypt; bh=+LaG47QzSJOyvcPJs+Xdaw2iyNQWPtOMls300OLQ2Q0=; b=Um9IgaHl5g3jUwgQoZf7uq9aEP0a8XZ/PvrwVcTIPjB/0o8/R4m3LXwomoLjRY5LMUgG3g ruNeVkyI3SVwwqfp8xV6mCk728liKDo4HHThbYtndko7sAVwk/lWBhAaDSzAVbvE9Oga9D GuEZJJXIlUQ2AA/kxCMJ/tjz2MmSBgQ= Received: from mail-qt1-f199.google.com (mail-qt1-f199.google.com [209.85.160.199]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-14-CENnbv_pMmWAwXboA8WsWQ-1; Wed, 24 Apr 2024 09:58:27 -0400 X-MC-Unique: CENnbv_pMmWAwXboA8WsWQ-1 Received: by mail-qt1-f199.google.com with SMTP id d75a77b69052e-4347271f444so72765741cf.2 for ; Wed, 24 Apr 2024 06:58:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713967106; x=1714571906; h=content-transfer-encoding:autocrypt:subject:from:cc:to :content-language:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=+LaG47QzSJOyvcPJs+Xdaw2iyNQWPtOMls300OLQ2Q0=; b=NeX2t5af9uOW2sLxRRHQutnHxBqXJhp4LBSCazof1sa3otAGP0mCECFAGJsCt1zSTN 9kK6dfaOUOVxUmrjtYnMQmrIartM7PFgnQJ7yByoYVdPTFzZnWQJAK5N/JPBN4CuiTQC Gq2m5y/Ll1JKRBKcqOmvftuLA11wmhn6Q6tPWvfnDe8ViGMfaxY/DLhq1KT5ZyL9CM7o 6qumqTU2IrksSsJ8vjDrto7u+GqmUJkh6yZRdtQBTOV0zN1UG4WKymzLhfEn94G11RDp xomsR9s1P+tcM/MHniHg0JVgu5iwVjDFGREqjshVgMsZV8t6RkvICCbOSau1/C/IW/+L 53/g== X-Gm-Message-State: AOJu0Yw8K34XECpHcpzJypbVBA45t0e0daFGKkO830CoJ3pTng9BvQAL 3DFi6ZfnKWpLH09L38iFBGFipMFmNbWshxW8kp+ybrNtGWIDW2VjoMDNjILfEGiigs/2npFfGS3 F/ETM4HW6l5vrZ1gQaD7rHKfJEWwPgQhjfM/J3JwZbLbeJnqzE91u9RZvrqdX/Vo= X-Received: by 2002:a05:622a:510:b0:43a:15d9:329f with SMTP id l16-20020a05622a051000b0043a15d9329fmr2315570qtx.51.1713967106391; Wed, 24 Apr 2024 06:58:26 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGm7JN6hmJg5czW2JLCebAXIAEeSwN8kFvnNYwyTPfsVCsKr8tC8oLKLOn6E4mk+hf1eR12lQ== X-Received: by 2002:a05:622a:510:b0:43a:15d9:329f with SMTP id l16-20020a05622a051000b0043a15d9329fmr2315552qtx.51.1713967106008; Wed, 24 Apr 2024 06:58:26 -0700 (PDT) Received: from [192.168.1.18] ([79.123.79.31]) by smtp.gmail.com with ESMTPSA id t25-20020ac87619000000b00437a6e5b3fdsm5769740qtq.66.2024.04.24.06.58.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 24 Apr 2024 06:58:25 -0700 (PDT) Message-ID: <3f373229-b7cf-4229-9591-922838577652@redhat.com> Date: Wed, 24 Apr 2024 14:58:23 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: "H.J. Lu" , Fangrui Song Cc: Binutils From: Nick Clifton Subject: RFC: syntax for a section ordering file Autocrypt: addr=nickc@redhat.com; keydata= xsFNBFm/2cUBEADkvRqMWfAryJ52T4J/640Av5cam9ojdFih9MjcX7QWFxIzJfTFYq2z+nb4 omdfZosdCJL2zGcn6C0AxpHNvxR9HMDkEyFHKrjDh4xWU+pH4z9azQEqJh331X7UzbZldqQo 16VkuVavgsTJaHcXm+nGIBTcUbl2oiTtHhmuaYxx6JTMcFjC7vyO5mLBw78wt52HBYweJ0Nj HBvvH/JxbAAULSPRUC61K0exlO49VFbFETQNG1hZTKEji95fPbre7PpXQ0ewQShUgttEE/J3 UA4jYaF9lOcZgUzbA27xTV//KomP0D30yr4e4EJEJYYNKa3hofTEHDXeeNgM25tprhBUMdbV RZpf2Keuk2uDVwc+EiOVri48rb1NU+60sOXvoGO6Ks81+mhAGmrBrlgLhAp8K1HPHI4MG4gH nrMqX2rEGUGRPFjC3qqVVlPm8H05PnosNqDLQ1Pf7C0pVgsCx6hKQB7Y1qBui7aoj9zeFaQg pYef+CEERIKEcWwrjaOJwK3pi9HFdxS0NNWYZj8HPzz/AsgTTQdsbulPlVq2SsctmOnL42CZ OCTppGYwl53CG/EqVY+UQBzFzJBaY8TJRFFYVEy5/HH4H11rMoZwqIkk71EOGU3X6mWlANRi kR3M4GhVITRzuaV69Fed+OeXcCmP94ASLfuhBR2uynmcHpBKpwARAQABzTtOaWNrIENsaWZ0 b24gKENoaWVmIEJpbnV0aWxzIE1haW50YWluZXIpIDxuaWNrY0ByZWRoYXQuY29tPsLBeAQT AQIAIgUCWb/ZxQIbAwYLCQgHAwIGFQgCCQoLBBYCAwECHgECF4AACgkQE/zvid2ePE9cOxAA 3cX1bdDaTFttTqukdPXLCtD2aNwJos4vB4LYPSgugLkYaHIQH9d1NQPhS0TlUeovnFNESLaV soihv0YmBUCyL4jE52FRoTjE6fUhYkFNqIWN2HYwkVrSap2UUJFquRVoVbPkbSup8P+D8eyd BbdxsY6f+5E8Rtz5ibVnPZTib7CyqnFokJITWjzGdIP0Gn+JWVa6jtHTImWx1MtqiuVRDapU hrIoUIjf98HQn9/N5ylEFYQTw7tzaJNWeGUoGYS8+8n/0sNbuYQUU/zwMVY9wpJcrXaas6yZ XGpF/tua59t9LFCct+07YAUSWyaBXqBW3PKQz7QP+oE8yje91XrhOQam04eJhPIBLO88g6/U rdKaY7evBB8bJ76Zpn1yqsYOXwAxifD0gDcRTQcB2s5MYXYmizn2GoUm1MnCJeAfQCi/YMob R+c8xEEkRU83Tnnw3pmAbRU6OcPihEFuK/+SOMKIuV1QWmjkbAr4g9XeXvaN+TRJ9Hl/k1k/ sj+uOfyGIaFzM/fpaLmFk8vHeej4i2/C6cL4mnahwYBDHAfHO65ZUIBAssdA6AeJ+PGsYeYh qs6zkpaA2b0wT4f9s7BPSqi0Veky8bUYYY7WpjzDcHnj1gEeIU55EhOQ42dnEfv7WrIAXanO P8SjhgqAUkb3R88azZCpEMTHiCE4bFxzOmjOwU0EWb/ZxQEQALaJE/3u23rTvPLkitaTJFqK kwPVylzkwmKdvd2qeEFk1qys2J3tACTMyYVnYTSXy5EJH2zJyhUfLnhLp8jJZF4oU5QehOaJ PcMmzI/CZS1AmH+jnm6pukdZAowTzJyt4IKSapr+7mxcxX1YQ2XewMnFYpLkAA2dHaChLSU/ EHJXe3+O4DgEURTFMa3SRN/J4GNMBacKXnMSSYylI5DcIOZ/v0IGa5MAXHrP1Hwm1rBmloIc gmzexczBf+IcWgCLThyFPffv+2pfLK1XaS82OzBC7fS01pB/eDOkjQuKy16sKZX6Rt57vud4 0uE5a0lpyItC2P7u7QWL4yT5pMF+oS8bm3YWgEntV380RyZpqgJGZTZLNq2T4ZgfiaueEV4J zOnG2/QRGjOUrNQaYzKy5V127CTnRg4BYF/uLEmizLcI3O3U1+mEz6h48wkAojO1B6AZ8Lm+ JuxOW5ouGcrkTEuIG56GcDwMWS/Pw/vNsDyNmOCjy9eEKWJgmMmLaq59HpfTd8IOeaYyuAQH AsYt/zzKy0giMgjhCQtuc99E4nQE9KZ44DKsnqRabK9s3zYE3PIkCFIEZcUiJXSXWWOIdJ43 j+YyFHU5hqXfECM6rzKGBeBUGTzyWcOX6YwRM4LzQDVJwYG8cVfth+v4/ImcXR43D4WVxxBE AjKag02b+1yfABEBAAHCwV8EGAECAAkFAlm/2cUCGwwACgkQE/zvid2ePE/dqQ/6ApUwgsZz tps0MOdRddjPwz44pWXS5MG45irMQXELGQyxkrafc8lwHeABYstoK8dpopTcJGE3dZGL3JNz 1YWxQ5AV4uyqBn5N8RubcA8NzR6DQP+OGPIwzMketvVC/cbbKDZqf0uTDy3jP65OFhSkTEIy nYv1Mb4JJl3Sq+haUbfWLAV5nboSuHmiZE6Bz2+TjdoVkNwHBfpqxu6MlWka+P98SUcmY8iV hPy9QC1XFOGdFDFf1kYgHW27mFwds35NQhNARgftAVz9FZXruW6tFIIfisjr3rVjD9R8VgL7 l5vMr9ylOFpepnI6+wd2X1566HW7F1Zw1DIrY2NHL7kL5635bHrJY4n7o/n7Elk/Ca/MAqzd IZxz6orfXeImsqZ6ODn4Y47PToS3Tr3bMNN9N6tmOPQZkJGHDBExbhAi/Jp8fpWxMmpVCUl6 c85cOBCR4s8tZsvGYOjR3CvqKrX4bb8GElrhOvAJa6DdmZXc7AyoVMaTvhpq3gJYKmC64oqt 7zwIHwaCxTbP6C6oUp9ENRV7nHnXN3BlvIgCo4QEs6HkDzkmgYlCEOKBiDyVMSkPDZdsspa+ K4GlU2Swi/BDJMjtDxyo+K0M81LXXxOeRfEIfPtZ3ddxBKPva1uSsuz+pbN9d1JY8Ko5T/h1 6susi2ReUyNJEJaSnjO5z13TQ1U= X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-GB Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.4 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: Hi H.J. Hi Fangrui, Is there a defined syntax for the contents of a section ordering file ? IE one passed to the linker via the --section-ordering= option ? I am attempting to take H.J.'s bfd linker text section ordering file patch and extend it to cover other sections. In doing so, I need to be sure that I have the syntax right. To my mind if the section ordering file contains the following: # A comment .text.hot .text.cold,.text.warm .data.big .data.small .text.foo* Then this should be roughly equivalent to: SECTIONS { .text : { *(.text.hot) *(.text.cold) *(.text.warm) *(.text.foo*) *(.text) } .data : { *(.data.big) *(.data.small) *(.data) } } So all of the .text. entries in the section ordering file are placed at the start of the output .text section (even if some of them occur after entries for other output sections) and all of the .data. entries are placed at the start of the .data section. This will require co-operation from the linker script to have the "INCLUDE config.section-ordering-file" statements at the correct places, but I think that it could work. But obviously I want the option to be compatible with GOLD and LLD and I could not find any clear definitions or examples of the syntax used. Cheers Nick