{"id":87925,"date":"2020-07-11T13:42:22","date_gmt":"2020-07-11T11:42:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predlozhenie-po-obsuzhdeniyu-voprosa-dobavleniya-v-yadro-linux-sredstv-dlya-razrabotki-na-yazyke-rust"},"modified":"2020-07-11T13:42:22","modified_gmt":"2020-07-11T11:42:22","slug":"predlozhenie-po-obsuzhdeniyu-voprosa-dobavleniya-v-yadro-linux-sredstv-dlya-razrabotki-na-yazyke-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/predlozhenie-po-obsuzhdeniyu-voprosa-dobavleniya-v-yadro-linux-sredstv-dlya-razrabotki-na-yazyke-rust","title":{"rendered":"Proposta para discutir a adi\u00e7\u00e3o de ferramentas para desenvolvimento em Rust ao n\u00facleo do Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nick DeSaigne (<noindex><a rel=\"nofollow\" href=\"http:\/\/nickdesaulniers.github.io\/about\/\">Nick Desaulniers<\/a><\/noindex>), que trabalha no Google na <noindex><a rel=\"nofollow\" href=\"https:\/\/clangbuiltlinux.github.io\/\">do suporte<\/a><\/noindex> compila\u00e7\u00e3o do n\u00facleo Linux usando o compilador Clang e tamb\u00e9m <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust\/search?q=nickdesaulniers&#038;type=Commits\">ajudando<\/a><\/noindex> a corrigir bugs no compilador Rust, <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2020\/7\/9\/952\">um patch escrito \u00e0 m\u00e3o para corre\u00e7\u00e3o.<\/a><\/noindex> apresentar\u00e1 na confer\u00eancia <noindex><a rel=\"nofollow\" href=\"https:\/\/www.linuxplumbersconf.org\/event\/7\/page\/47-attend\">Linux Plumbers Conference 2020<\/a><\/noindex> uma sess\u00e3o para discutir a viabilidade do desenvolvimento de componentes do n\u00facleo na linguagem Rust. Nick est\u00e1 organizando uma micro-confer\u00eancia dedicada ao LLVM e acredita que seria interessante discutir os aspectos t\u00e9cnicos da poss\u00edvel integra\u00e7\u00e3o do suporte ao Rust no n\u00facleo (j\u00e1 foi preparado um prot\u00f3tipo funcional para KBuild) e entender se realmente \u00e9 necess\u00e1rio adicionar tal suporte e quais limita\u00e7\u00f5es devem ser consideradas ao usar Rust.<\/p>\n<p>Lembramos que, em uma recente discuss\u00e3o na confer\u00eancia &#171;Open Source Summit and Embedded Linux&#187;, Linus Torvalds <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53292\">n\u00e3o descartou<\/a><\/noindex> a possibilidade de criar bindings para o desenvolvimento de subsistemas n\u00e3o principais do n\u00facleo (como drivers) em linguagens como Rust. A possibilidade de desenvolver drivers na linguagem Rust poderia permitir a cria\u00e7\u00e3o de drivers seguros e de maior qualidade com esfor\u00e7o m\u00ednimo, evitando problemas como acessos a \u00e1reas de mem\u00f3ria ap\u00f3s a libera\u00e7\u00e3o, desreferencia\u00e7\u00e3o de ponteiros nulos e estouros de buffer. J\u00e1 existem v\u00e1rios projetos de terceiros implementando essa possibilidade:<\/p>\n<ul>\n<li class=\"l\"> Desenvolvedores da empresa &#171;Fish in a Barrel&#187; <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/fishinabarrel\/linux-kernel-module-rust\">prepararam<\/a><\/noindex> ferramentas para escrever m\u00f3dulos carreg\u00e1veis para o n\u00facleo Linux na linguagem Rust, utilizando um conjunto de camadas abstratas sobre as interfaces e estruturas do n\u00facleo para aumentar a seguran\u00e7a. As camadas s\u00e3o geradas automaticamente com base nos arquivos de cabe\u00e7alho existentes do n\u00facleo utilizando a ferramenta <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust-bindgen\">bindgen<\/a><\/noindex>. Para compilar as camadas, \u00e9 utilizado o Clang. Os m\u00f3dulos compilados al\u00e9m das camadas utilizam o pacote staticlib.\n<li class=\"l\"> Pesquisadores da Universidade Chinesa de Hong Kong <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/lizhuohua\/linux-kernel-module-rust\">est\u00e3o desenvolvendo<\/a><\/noindex> projeto para desenvolvimento de drivers em Rust para sistemas embutidos e dispositivos da internet das coisas, que tamb\u00e9m utiliza bindgen para gerar camadas com base nos arquivos de cabe\u00e7alho do n\u00facleo. O framework permite aumentar a seguran\u00e7a dos drivers sem alterar o n\u00facleo \u2014 ao inv\u00e9s de criar n\u00edveis adicionais de isolamento no n\u00facleo para os drivers, prop\u00f5e-se bloquear problemas na fase de compila\u00e7\u00e3o, utilizando a linguagem mais segura Rust. Espera-se que tal abordagem seja valorizada pelos fabricantes de hardware que desenvolvem drivers propriet\u00e1rios de forma r\u00e1pida sem a realiza\u00e7\u00e3o de uma auditoria adequada.\n<li class=\"l\"> Desenvolvedores do framework <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/immunant\/c2rust\">C2Rust<\/a><\/noindex> para transi\u00e7\u00e3o de c\u00f3digo C para Rust, <noindex><a rel=\"nofollow\" href=\"https:\/\/immunant.com\/blog\/2020\/06\/kernel_modules\/\">realizam<\/a><\/noindex> experimenta\u00e7\u00f5es na convers\u00e3o de m\u00f3dulos do n\u00facleo com m\u00ednimas edi\u00e7\u00f5es manuais. Entre os problemas mencionados est\u00e1 a utiliza\u00e7\u00e3o de c\u00f3digo em muitas partes do n\u00facleo que usa extens\u00f5es do GCC, que ainda n\u00e3o s\u00e3o suportadas pelo C2Rust. Para resolver esse problema, planeja-se adicionar ao C2Rust suporte para atributos do GCC como inline, cold, alias, used e section, al\u00e9m de expandir as capacidades do assembly inline e resolver problemas com estruturas que est\u00e3o alinhadas e empacotadas ao mesmo tempo (por exemplo, xregs_state). Entre os problemas significativos que requerem trabalho manual, destaca-se a incapacidade de transitar macros C n\u00e3o triviais para macros Rust e a necessidade de redefini\u00e7\u00e3o de tipos, j\u00e1 que o C2Rust transita os tipos C para defini\u00e7\u00f5es no pacote libc, que n\u00e3o podem ser utilizados em m\u00f3dulos do n\u00facleo.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53331\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0438\u043a \u0414\u0435\u0441\u0430\u043d\u044c\u0435 (Nick Desaulniers), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0432 Google \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435\u043c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0441\u0431\u043e\u0440\u043a\u0438 \u044f\u0434\u0440\u0430 Linux \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 Clang \u0438 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u043c\u043e\u0433\u0430\u044e\u0449\u0438\u0439 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u043e\u0448\u0438\u0431\u043a\u0438 \u0432 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0435 Rust, \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u043f\u0440\u043e\u0432\u0435\u0441\u0442\u0438 \u043d\u0430 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 Linux Plumbers Conference 2020 \u0441\u0435\u0441\u0441\u0438\u044e \u0434\u043b\u044f \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u044f \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u044f\u0434\u0440\u0430 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u041d\u0438\u043a \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435\u043c \u043c\u0438\u043a\u0440\u043e-\u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438, \u043f\u043e\u0441\u0432\u044f\u0449\u0451\u043d\u043d\u043e\u0439 LLVM, \u0438 \u0441\u0447\u0438\u0442\u0430\u0435\u0442, \u0447\u0442\u043e \u0431\u044b\u043b\u043e \u0431\u044b \u043d\u0435\u043f\u043b\u043e\u0445\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-87925","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0438\u043a \u0414\u0435\u0441\u0430\u043d\u044c\u0435 (Nick Desaulniers), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0432 Google \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435\u043c\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/pt\/blog\/news\/predlozhenie-po-obsuzhdeniyu-voprosa-dobavleniya-v-yadro-linux-sredstv-dlya-razrabotki-na-yazyke-rust\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"pt_PT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043f\u043e \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u044e \u0432\u043e\u043f\u0440\u043e\u0441\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0432 \u044f\u0434\u0440\u043e Linux \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041d\u0438\u043a \u0414\u0435\u0441\u0430\u043d\u044c\u0435 (Nick Desaulniers), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0432 Google \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435\u043c\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/pt\/blog\/news\/predlozhenie-po-obsuzhdeniyu-voprosa-dobavleniya-v-yadro-linux-sredstv-dlya-razrabotki-na-yazyke-rust\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-07-11T11:42:22+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-07-11T11:42:22+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Proposta para discutir a adi\u00e7\u00e3o de ferramentas para desenvolvimento em Rust no n\u00facleo Linux | ProHoster","description":"Nick Desaulniers, que trabalha no Google para garantir","canonical_url":"https:\/\/prohoster.info\/pt\/blog\/news\/predlozhenie-po-obsuzhdeniyu-voprosa-dobavleniya-v-yadro-linux-sredstv-dlya-razrabotki-na-yazyke-rust","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pt_PT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043f\u043e \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u044e \u0432\u043e\u043f\u0440\u043e\u0441\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0432 \u044f\u0434\u0440\u043e Linux \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust | ProHoster","og:description":"\u041d\u0438\u043a \u0414\u0435\u0441\u0430\u043d\u044c\u0435 (Nick Desaulniers), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0432 Google \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435\u043c","og:url":"https:\/\/prohoster.info\/pt\/blog\/news\/predlozhenie-po-obsuzhdeniyu-voprosa-dobavleniya-v-yadro-linux-sredstv-dlya-razrabotki-na-yazyke-rust","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-07-11T11:42:22+00:00","article:modified_time":"2020-07-11T11:42:22+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"87925","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 13:40:35","updated":"2022-10-02 21:14:30","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts\/87925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/comments?post=87925"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts\/87925\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/media?parent=87925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/categories?post=87925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/tags?post=87925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}