{"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\/ro\/blog\/news\/predlozhenie-po-obsuzhdeniyu-voprosa-dobavleniya-v-yadro-linux-sredstv-dlya-razrabotki-na-yazyke-rust","title":{"rendered":"Propunere pentru discutarea ad\u0103ug\u0103rii \u00een kernelul Linux a resurselor pentru dezvoltarea \u00een limbajul Rust","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>), este responsabil cu asigurarea <noindex><a rel=\"nofollow\" href=\"https:\/\/clangbuiltlinux.github.io\/\">suport<\/a><\/noindex> compil\u0103rii nucleului Linux folosind compilatorul Clang \u0219i, de asemenea, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust\/search?q=nickdesaulniers&#038;type=Commits\">ajut\u00e2nd<\/a><\/noindex> la corectarea erorilor din compilatorul Rust, <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2020\/7\/9\/952\">a propus<\/a><\/noindex> a sus\u021binut la conferin\u021ba <noindex><a rel=\"nofollow\" href=\"https:\/\/www.linuxplumbersconf.org\/event\/7\/page\/47-attend\">Linux Plumbers Conference 2020<\/a><\/noindex> o sesiune pentru a discuta despre posibilitatea dezvolt\u0103rii componentelor nucleului \u00een limbajul Rust. Nick organizeaz\u0103 o micro-conferin\u021b\u0103 dedicat\u0103 LLVM \u0219i consider\u0103 c\u0103 ar fi util s\u0103 discut\u0103m despre aspectele tehnice ale posibilei integr\u0103ri a suportului Rust \u00een nucleu (pentru care a fost deja preg\u0103tit un prototip de lucru pentru KBuild) \u0219i s\u0103 \u00een\u021belegem dac\u0103 este necesar s\u0103 ad\u0103ug\u0103m un astfel de suport \u0219i ce restric\u021bii ar trebui s\u0103 accept\u0103m \u00een utilizarea Rust.<\/p>\n<p>Aminte\u0219te-\u021bi c\u0103, \u00eentr-o recent\u0103 discu\u021bie de la conferin\u021ba \u201eOpen Source Summit and Embedded Linux\u201d, Linus Torvalds <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53292\">nu a exclus<\/a><\/noindex> posibilitatea apari\u021biei de leg\u0103turi pentru dezvoltarea subsistemelor non-fundamentale ale nucleului (de exemplu, drivere) \u00een astfel de limbaje ca Rust. Posibilitatea dezvolt\u0103rii drivere \u00een limbajul Rust ar permite crearea, cu eforturi minime, de drivere sigure \u0219i de calitate superioar\u0103, lipsit\u0103 de probleme precum accesul la zone de memorie dup\u0103 ce au fost eliberate, dereferentierea pointerilor nuli \u0219i dep\u0103\u0219irea limitei bufferului. Exist\u0103 deja c\u00e2teva proiecte externe care implementeaz\u0103 aceast\u0103 posibilitate:<\/p>\n<ul>\n<li class=\"l\"> Dezvoltatorii companiei \u201eFish in a Barrel\u201d <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/fishinabarrel\/linux-kernel-module-rust\">au preg\u0103tit<\/a><\/noindex> Instrumente pentru scrierea modulelor \u00eenc\u0103rcabile pentru kernelul Linux \u00een limbajul Rust, folosind un set de straturi abstracte peste interfe\u021bele \u0219i structurile kernelului pentru a spori securitatea. Straturile sunt generate automat pe baza fi\u0219ierelor de antet existente ale kernelului cu ajutorul utilitarului <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust-bindgen\">bindgen<\/a><\/noindex>. Pentru compilarea stratelor se folose\u0219te Clang. Modulele compilate, pe l\u00e2ng\u0103 straturi, utilizeaz\u0103 pachetul staticlib.\n<li class=\"l\"> Cercet\u0103torii de la Universitatea Chinez\u0103 din Hong Kong <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/lizhuohua\/linux-kernel-module-rust\">dezvolt\u0103<\/a><\/noindex> un proiect pentru dezvoltarea de drivere Rust pentru sisteme \u00eencorporate \u0219i dispozitive de internet al lucrurilor, care utilizeaz\u0103 de asemenea bindgen pentru generarea straturilor pe baza fi\u0219ierelor de antet ale nucleului. Cadrele permit \u00eembun\u0103t\u0103\u021birea securit\u0103\u021bii driverelor f\u0103r\u0103 modific\u0103ri \u00een nucleu \u2014 \u00een loc s\u0103 se creeze niveluri suplimentare de izolare \u00een nucleu pentru drivere, se propune blocarea problemelor \u00een etapa de compilare, folosind un limbaj mai sigur, Rust. Se presupune c\u0103 o astfel de abordare ar putea fi solicitat\u0103 de produc\u0103torii de hardware care dezvolt\u0103 drivere proprietare rapid, f\u0103r\u0103 a efectua un audit adecvat.\n<li class=\"l\"> Dezvoltatorii framework-ului <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/immunant\/c2rust\">C2Rust<\/a><\/noindex> pentru a transpune codul C \u00een Rust, <noindex><a rel=\"nofollow\" href=\"https:\/\/immunant.com\/blog\/2020\/06\/kernel_modules\/\">organizeaz\u0103<\/a><\/noindex> Experimente privind transformarea modulelor nucleului cu ajust\u0103ri minime manuale. Problemele notate includ utilizarea, \u00een multe p\u0103r\u021bi ale nucleului, a codului care utilizeaz\u0103 extensii GCC, care nu sunt \u00eenc\u0103 suportate \u00een C2Rust. Pentru a rezolva aceast\u0103 problem\u0103, se preconizeaz\u0103 ad\u0103ugarea suportului pentru atributele GCC inline, cold, alias, used \u0219i section \u00een C2Rust, precum \u0219i extinderea capacit\u0103\u021bilor asamblorului inline \u0219i rezolvarea problemelor cu structurile care sunt aliniate \u0219i \u00eempachetate simultan (de exemplu, xregs_state). Problemele semnificative care necesit\u0103 interven\u021bie manual\u0103 includ imposibilitatea de a transpune macrocomenzi C netriviale \u00een macrocomenzi Rust \u0219i necesitatea de a redefini tipurile, deoarece C2Rust transpune tipurile C \u00een defini\u021bii din pachetul libc, dar acest pachet nu poate fi utilizat \u00een modulele nucleului.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53331\">opennet.ro<\/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 5.0.2.1 - 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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