{"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\/es\/blog\/news\/predlozhenie-po-obsuzhdeniyu-voprosa-dobavleniya-v-yadro-linux-sredstv-dlya-razrabotki-na-yazyke-rust","title":{"rendered":"Propuesta para discutir la adici\u00f3n de herramientas para el desarrollo en lenguaje Rust al n\u00facleo de Linux.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nick Desaulniers (<noindex><a rel=\"nofollow\" href=\"http:\/\/nickdesaulniers.github.io\/about\/\">Nick Desaulniers<\/a><\/noindex>), quien trabaja en Google asegurando <noindex><a rel=\"nofollow\" href=\"https:\/\/clangbuiltlinux.github.io\/\">de soporte<\/a><\/noindex> la construcci\u00f3n del n\u00facleo de Linux utilizando el compilador Clang y tambi\u00e9n <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust\/search?q=nickdesaulniers&#038;type=Commits\">ayudando<\/a><\/noindex> a corregir errores en el compilador Rust, <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2020\/7\/9\/952\">propuso<\/a><\/noindex> dirigi\u00f3 en la conferencia <noindex><a rel=\"nofollow\" href=\"https:\/\/www.linuxplumbersconf.org\/event\/7\/page\/47-attend\">Linux Plumbers Conference 2020<\/a><\/noindex> una sesi\u00f3n para discutir la posibilidad de desarrollar componentes del n\u00facleo en el lenguaje Rust. Nick organiza micro-conferencias sobre LLVM y cree que ser\u00eda \u00fatil discutir los aspectos t\u00e9cnicos de la posible integraci\u00f3n del soporte para Rust en el n\u00facleo (ya tiene un prototipo funcional preparado para KBuild) y entender si realmente se necesita a\u00f1adir ese soporte, as\u00ed como qu\u00e9 limitaciones sobre el uso de Rust deben ser consideradas.<\/p>\n<p>Recordemos que en una reciente discusi\u00f3n en la conferencia 'Open Source Summit and Embedded Linux', Linus Torvalds <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53292\">no descart\u00f3<\/a><\/noindex> la aparici\u00f3n de enlaces para el desarrollo de subsistemas no esenciales del n\u00facleo (por ejemplo, controladores) en lenguajes como Rust. La posibilidad de desarrollar controladores en Rust permitir\u00eda crear controladores seguros y de mayor calidad con un esfuerzo m\u00ednimo, eliminando problemas como el acceso a \u00e1reas de memoria despu\u00e9s de su liberaci\u00f3n, la desreferenciaci\u00f3n de punteros nulos y el desbordamiento de b\u00fafer. Ya existen varios proyectos de terceros que implementan esta posibilidad:<\/p>\n<ul>\n<li class=\"l\"> Los desarrolladores de la empresa 'Fish in a Barrel' <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/fishinabarrel\/linux-kernel-module-rust\">han preparado<\/a><\/noindex> han creado herramientas para escribir m\u00f3dulos cargables para el n\u00facleo de Linux en Rust, utilizando un conjunto de capas abstractas sobre las interfaces y estructuras del n\u00facleo para aumentar la protecci\u00f3n. Las capas se generan autom\u00e1ticamente a partir de los archivos de encabezado existentes del n\u00facleo mediante la utilidad <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust-bindgen\">bindgen<\/a><\/noindex>. Para la construcci\u00f3n de las capas se utiliza Clang. Los m\u00f3dulos construidos, adem\u00e1s de las capas, utilizan el paquete staticlib.\n<li class=\"l\"> Investigadores de la Universidad de Hong Kong <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/lizhuohua\/linux-kernel-module-rust\">est\u00e1n desarrollando<\/a><\/noindex> un proyecto para el desarrollo de controladores en Rust para sistemas embebidos y dispositivos de Internet de las cosas, que tambi\u00e9n utiliza bindgen para generar capas basadas en los archivos de encabezado del n\u00facleo. El marco permite aumentar la seguridad de los controladores sin modificar el n\u00facleo: en lugar de crear niveles adicionales de aislamiento en el n\u00facleo para los controladores, se propone bloquear problemas en la etapa de compilaci\u00f3n, aplicando un lenguaje m\u00e1s seguro como Rust. Se espera que este enfoque pueda ser de inter\u00e9s para los fabricantes de hardware que desarrollan controladores propietarios de manera apresurada sin realizar la auditor\u00eda adecuada.\n<li class=\"l\"> Desarrolladores del marco <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/immunant\/c2rust\">C2Rust<\/a><\/noindex> para la traducci\u00f3n de c\u00f3digo C a Rust, <noindex><a rel=\"nofollow\" href=\"https:\/\/immunant.com\/blog\/2020\/06\/kernel_modules\/\">realizan<\/a><\/noindex> experimentos para transformar m\u00f3dulos del n\u00facleo con m\u00ednimas modificaciones manuales. Se se\u00f1ala como problema la utilizaci\u00f3n en muchas partes del n\u00facleo de c\u00f3digo que emplea extensiones de GCC, que a\u00fan no son soportadas por C2Rust. Para abordar este problema, se planea agregar soporte para los atributos de GCC inline, cold, alias, used y section en C2Rust, as\u00ed como expandir las capacidades de ensamblador en l\u00ednea y resolver problemas con estructuras que est\u00e1n alineadas y empaquetadas al mismo tiempo (por ejemplo, xregs_state). Entre los problemas significativos que requieren trabajo manual, se destaca la imposibilidad de traducir macros C no triviales a macros Rust y la necesidad de redefinir tipos, ya que C2Rust traduce los tipos C en definiciones en el paquete libc, pero este paquete no se puede usar en m\u00f3dulos del n\u00facleo.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <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 5.0.2 - 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\" 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