{"id":98248,"date":"2020-10-28T02:42:23","date_gmt":"2020-10-28T00:42:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-standartnoj-si-biblioteki-picolibc-1-4-7"},"modified":"2020-11-18T00:58:42","modified_gmt":"2020-11-17T22:58:42","slug":"vypusk-standartnoj-si-biblioteki-picolibc-1-4-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/vypusk-standartnoj-si-biblioteki-picolibc-1-4-7","title":{"rendered":"Lansarea bibliotecii standard C PicoLibc 1.4.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Keith Packard, un dezvoltator activ Debian, liderul proiectului X.Org \u0219i creatorul multor extensii X, inclusiv XRender, XComposite \u0219i XRandR, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/picolibc\/picolibc\/releases\">a publicat<\/a><\/noindex> lansarea bibliotecii standard C <noindex><a rel=\"nofollow\" href=\"https:\/\/keithp.com\/picolibc\/\">PicoLibc 1.4.7<\/a><\/noindex>, care este dezvoltat\u0103 pentru utilizarea pe dispozitive integrate cu un spa\u021biu de stocare permanent \u0219i memorie RAM limitate. \u00cen timpul dezvolt\u0103rii, o parte din cod a fost \u00eemprumutat\u0103 din biblioteca <noindex><a rel=\"nofollow\" href=\"http:\/\/sourceware.org\/newlib\/\">newlib<\/a><\/noindex> proiectului Cygwin \u0219i <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nongnu.org\/avr-libc\/\">AVR Libc<\/a><\/noindex>, dezvoltat\u0103 pentru microcontrolerele Atmel AVR. Codul PicoLibc <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/keith-packard\/picolibc\">se r\u0103sp\u00e2nde\u0219te<\/a><\/noindex> este sub licen\u021ba BSD. Se suport\u0103 compilarea bibliotecii pentru arhitecturi ARM (32-bit), i386, RISC-V, x86_64 \u0219i PowerPC.<\/p>\n<p>Ini\u021bial, proiectul a fost dezvoltat sub numele de &#171;newlib-nano&#187; \u0219i a fost destinat s\u0103 reproiecteze anumite func\u021bii consumatoare de resurse din Newlib, care erau problematice \u00een utilizarea pe dispozitive \u00eencorporate cu memorie RAM redus\u0103. De exemplu, func\u021biile stdio au fost \u00eenlocuite cu o variant\u0103 compact\u0103 din biblioteca avrlibc. Codul a fost de asemenea cur\u0103\u021bat de componente neutilizate \u00een construc\u021bia pentru dispozitive \u00eencorporate, livrate f\u0103r\u0103 licen\u021b\u0103 BSD. A fost ad\u0103ugat\u0103 o variant\u0103 simplificat\u0103 a codului de ini\u021bializare (crt0), iar implementarea fluxurilor locale a fost transferat\u0103 de la &#8216;struct _reent&#8217; la mecanismul TLS (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Thread-local_storage\">stocare local\u0103 a firului<\/a><\/noindex>). Unelte pentru construc\u021bie sunt Meson. <\/p>\n<p>\u00cen noua versiune:<\/p>\n<ul>\n<li class=\"l\"> A fost ad\u0103ugat\u0103 op\u021biunea de construc\u021bie folosind <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50470\">un compilator verificat matematic<\/a><\/noindex> CompCert <noindex><a rel=\"nofollow\" href=\"http:\/\/compcert.inria.fr\/compcert-C.html\">A fost ad\u0103dat suport pentru compilatorul Clang.<\/a><\/noindex>.\n<li class=\"l\"> Comportamentul func\u021biei \u2018gamma\u2019 a fost aliniat comportamentului Glibc.\n<li class=\"l\"> Comportamentul func\u021biei &#8216;gamma&#8217; a fost aliniat cu comportamentul Glibc.\n<li class=\"l\"> Performan\u021ba nano-realloc a fost \u00eembun\u0103t\u0103\u021bit\u0103, \u00een special \u00een timpul opera\u021biunilor de unire a blocurilor libere \u0219i extinderea dimensiunii heap-ului.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 o suit\u0103 de teste pentru a verifica corectitudinea func\u021bion\u0103rii malloc.\n<li class=\"l\"> A fost \u00eembun\u0103t\u0103\u021bit suportul pentru platforma Windows \u0219i a fost ad\u0103ugat\u0103 op\u021biunea de construc\u021bie folosind uneltele mingw.\n<li class=\"l\"> Pe sistemele ARM, registrul hardware TLS (Thread-Local Storage) este utilizat atunci c\u00e2nd este disponibil.\n<li class=\"l\"> \ud83e\udd47 Lansarea bibliotecii standard C PicoLibc 1.4.7 | ProHoster\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=53962\">opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u0438\u0442 \u041f\u0430\u043a\u043a\u0430\u0440\u0434 (Keith Packard), \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a Debian, \u043b\u0438\u0434\u0435\u0440 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 X.Org \u0438 \u0441\u043e\u0437\u0434\u0430\u0442\u0435\u043b\u044c \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430 X-\u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0439, \u0432\u043a\u043b\u044e\u0447\u0430\u044f XRender, XComposite \u0438 XRandR, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0439 \u0421\u0438-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 PicoLibc 1.4.7, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043d\u0430 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 \u0441 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u044b\u043c \u0440\u0430\u0437\u043c\u0435\u0440\u043e\u043c \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430 \u0438 \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438. \u041f\u0440\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0447\u0430\u0441\u0442\u044c \u043a\u043e\u0434\u0430 \u0437\u0430\u0438\u043c\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0430 \u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 newlib \u043e\u0442 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0421ygwin \u0438 AVR Libc, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0432\u0448\u0435\u0439\u0441\u044f \u0434\u043b\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-98248","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=\"\u041a\u0438\u0442 \u041f\u0430\u043a\u043a\u0430\u0440\u0434 (Keith Packard), \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a Debian, \u043b\u0438\u0434\u0435\u0440 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 X.Org \u0438 \u0441\u043e\u0437\u0434\u0430\u0442\u0435\u043b\u044c \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430 X-\u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0439, 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