{"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\/pl\/blog\/news\/predlozhenie-po-obsuzhdeniyu-voprosa-dobavleniya-v-yadro-linux-sredstv-dlya-razrabotki-na-yazyke-rust","title":{"rendered":"Propozycja om\u00f3wienia dodania do j\u0105dra Linux narz\u0119dzi do programowania w j\u0119zyku 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>), kt\u00f3ry w Google zajmuje si\u0119 <noindex><a rel=\"nofollow\" href=\"https:\/\/clangbuiltlinux.github.io\/\">obs\u0142ugi<\/a><\/noindex> kompilacj\u0105 j\u0105dra Linux przy u\u017cyciu kompilatora Clang i tak\u017ce <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust\/search?q=nickdesaulniers&#038;type=Commits\">pomaga<\/a><\/noindex> naprawia\u0107 b\u0142\u0119dy w kompilatorze Rust, <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2020\/7\/9\/952\">zaproponowa\u0142<\/a><\/noindex> poprowadzi na konferencji <noindex><a rel=\"nofollow\" href=\"https:\/\/www.linuxplumbersconf.org\/event\/7\/page\/47-attend\">Linux Plumbers Conference 2020<\/a><\/noindex> sesj\u0119 na temat wspierania rozwoju komponent\u00f3w j\u0105dra w j\u0119zyku Rust. Nick prowadzi r\u00f3wnie\u017c mikro-konferencj\u0119 po\u015bwi\u0119con\u0105 LLVM i uwa\u017ca, \u017ce warto by by\u0142o om\u00f3wi\u0107 aspekty techniczne mo\u017cliwej integracji wsparcia dla Rust w j\u0105drze (ma ju\u017c gotowy prototyp roboczy dla KBuild) oraz zrozumie\u0107, czy taka pomoc jest rzeczywi\u015bcie potrzebna i jakie ograniczenia w u\u017cyciu Rust powinny by\u0107 przyj\u0119te.<\/p>\n<p>Przypominamy, \u017ce podczas niedawnej dyskusji na konferencji &#171;Open Source Summit and Embedded Linux&#187; Linus Torvalds <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53292\">nie wykluczy\u0142<\/a><\/noindex> mo\u017cliwo\u015bci powstania powi\u0105za\u0144 do rozwijania niepodstawowych subsystem\u00f3w j\u0105dra (na przyk\u0142ad sterownik\u00f3w) w takich j\u0119zykach jak Rust. Mo\u017cliwo\u015b\u0107 tworzenia sterownik\u00f3w w j\u0119zyku Rust umo\u017cliwi\u0142aby \u0142atwe tworzenie bezpiecznych i wy\u017cszej jako\u015bci sterownik\u00f3w, wolnych od problem\u00f3w takich jak odwo\u0142ania do pami\u0119ci po jej zwolnieniu, dereferencjonowanie wska\u017anik\u00f3w null i przekroczenie granic bufora. Istnieje ju\u017c kilka projekt\u00f3w zewn\u0119trznych realizuj\u0105cych tak\u0105 mo\u017cliwo\u015b\u0107:<\/p>\n<ul>\n<li class=\"l\"> Programi\u015bci z firmy &#171;Fish in a Barrel&#187; <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/fishinabarrel\/linux-kernel-module-rust\">przygotowali<\/a><\/noindex> Narz\u0119dzie do pisania modu\u0142\u00f3w kernelowych dla systemu Linux w j\u0119zyku Rust, wykorzystuj\u0105ce zestaw abstrakcyjnych warstw nad interfejsami i strukturami j\u0105dra w celu zwi\u0119kszenia bezpiecze\u0144stwa. Warstwy s\u0105 automatycznie generowane na podstawie istniej\u0105cych plik\u00f3w nag\u0142\u00f3wkowych j\u0105dra za pomoc\u0105 narz\u0119dzia <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust-bindgen\">bindgen<\/a><\/noindex>. Do kompilacji warstw u\u017cywany jest Clang. Budowane modu\u0142y, opr\u00f3cz warstw, korzystaj\u0105 z pakietu staticlib.\n<li class=\"l\"> Naukowcy z Chi\u0144skiego Uniwersytetu w Hongkongu <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/lizhuohua\/linux-kernel-module-rust\">rozwijaj\u0105<\/a><\/noindex> opracowuj\u0105 projekt do tworzenia sterownik\u00f3w w Rust dla system\u00f3w wbudowanych i urz\u0105dze\u0144 Internetu Rzeczy, kt\u00f3ry r\u00f3wnie\u017c wykorzystuje bindgen do generowania warstw na podstawie plik\u00f3w nag\u0142\u00f3wkowych j\u0105dra. Framework ten pozwala na zwi\u0119kszenie bezpiecze\u0144stwa sterownik\u00f3w bez wprowadzania zmian w j\u0105drze \u2014 zamiast tworzenia dodatkowych poziom\u00f3w izolacji dla sterownik\u00f3w w j\u0105drze, proponuje si\u0119 blokowanie problem\u00f3w na etapie kompilacji, stosuj\u0105c bezpieczniejszy j\u0119zyk Rust. Zak\u0142ada si\u0119, \u017ce takie podej\u015bcie mo\u017ce by\u0107 po\u017c\u0105dane przez producent\u00f3w sprz\u0119tu, kt\u00f3rzy opracowuj\u0105 zastrze\u017cone sterowniki w po\u015bpiechu bez przeprowadzania odpowiedniego audytu.\n<li class=\"l\"> Deweloperzy frameworka <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/immunant\/c2rust\">C2Rust<\/a><\/noindex> do translacji kodu C na Rust, <noindex><a rel=\"nofollow\" href=\"https:\/\/immunant.com\/blog\/2020\/06\/kernel_modules\/\">przeprowadzaj\u0105<\/a><\/noindex> Eksperymenty w zakresie przekszta\u0142cania modu\u0142\u00f3w j\u0105dra z minimalnymi r\u0119cznymi poprawkami. Z problem\u00f3w zauwa\u017cono zastosowanie w wielu cz\u0119\u015bciach j\u0105dra kodu, w kt\u00f3rym u\u017cywane s\u0105 rozszerzenia GCC, kt\u00f3re nie s\u0105 obecnie wspierane w C2Rust. W celu rozwi\u0105zania tego problemu w C2Rust planuje si\u0119 doda\u0107 wsparcie dla atrybut\u00f3w GCC inline, cold, alias, used oraz section, a tak\u017ce rozszerzy\u0107 mo\u017cliwo\u015bci inline-assemblera i rozwi\u0105za\u0107 problemy ze strukturami, kt\u00f3re s\u0105 jednocze\u015bnie wyr\u00f3wnane i zapakowane (np. xregs_state). Istotne problemy wymagaj\u0105ce r\u0119cznej pracy to niemo\u017cno\u015b\u0107 transpilacji nietrywialnych makr C do makr Rust oraz konieczno\u015b\u0107 ponownego zdefiniowania typ\u00f3w, poniewa\u017c C2Rust transpiluje typy C do definicji w pakiecie libc, ale ten pakiet nie mo\u017ce by\u0107 u\u017cywany w modu\u0142ach j\u0105dra.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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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