{"id":113048,"date":"2024-01-22T11:28:11","date_gmt":"2024-01-22T09:28:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-standartnoj-si-biblioteki-picolibc-1-8-6"},"modified":"2024-01-22T11:28:11","modified_gmt":"2024-01-22T09:28:11","slug":"vypusk-standartnoj-si-biblioteki-picolibc-1-8-6","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/vypusk-standartnoj-si-biblioteki-picolibc-1-8-6","title":{"rendered":"Lansarea bibliotecii standard C PicoLibc 1.8.6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A fost publicat\u0103 versiunea bibliotecii standard C PicoLibc 1.8.6, dezvoltat\u0103 de Keith Packard (liderul proiectului X.Org) pentru utilizare pe dispozitive \u00eencorporate cu spa\u021biu de stocare permanent \u0219i memorie RAM limitate. \u00cen timpul dezvolt\u0103rii, o parte din cod a fost preluat\u0103 din biblioteca newlib a proiectului Cygwin \u0219i AVR Libc, dezvoltat\u0103 pentru microcontrolerele Atmel AVR. Codul PicoLibc este distribuit sub licen\u021ba BSD. Se suport\u0103 compilarea bibliotecii pentru arhitecturile ARM (32-bit), Aarch64, i386, RISC-V, x86_64, m68k \u0219i PowerPC.     <\/p>\n<p>Ini\u021bial, proiectul a fost dezvoltat sub numele \u201enewlib-nano\u201d \u0219i a avut ca scop refacerea unor func\u021bii consumatoare de resurse din Newlib, care erau problematice pentru utilizarea pe dispozitive \u00eencorporate cu RAM redus. De exemplu, \u00een PicoLibc, func\u021biile stdio au fost \u00eenlocuite cu o variant\u0103 compact\u0103 din biblioteca avrlibc. Codul a fost, de asemenea, cur\u0103\u021bat de componentele neutilizate \u00een construcerea pentru dispozitive \u00eencorporate, furnizate nu sub licen\u021ba BSD. A fost ad\u0103ugat\u0103 o variant\u0103 simplificat\u0103 a codului de ini\u021bializare (crt0), iar implementarea apelurilor a fost transformat\u0103 din \u201estruct _reent\u201d \u00een mecanism TLS (thread-local storage). Instrumentul Meson a fost folosit pentru construc\u021bie.     <\/p>\n<p>\u00cen noua versiune:  <\/p>\n<ul>\n<li class=\"l\"> Au fost transferate modific\u0103rile din Newlib 4.4.0, cum ar fi suportul pentru tipul \u201elong double\u201d pe arhitecturile i386, RISC-V, Aarch64 \u0219i x86_64, suportul pentru extensiile RISC-V Zfinx\/Zdinx, posibilitatea utiliz\u0103rii mascilor la inserarea directoarelor, implementarea portului pentru procesoarele Xtensa \u0219i separarea handler-elor printf \u00een fi\u0219iere separate pentru a reduce dimensiunea la legare.\n<li class=\"l\"> \u00cen picolibc.ld au fost ad\u0103ugate simbolurile \u201e__eh_*\u201d pentru LLVM libunwind.\n<li class=\"l\"> A fost inclus suport de testare pentru sistemele SPARC de 32 de bi\u021bi.\n<li class=\"l\"> A fost asigurat suport pentru platformele \u021bint\u0103 cu tipuri neobi\u0219nuite de numere flaotante, care sunt acum reflectate \u00een tipuri de 32, 64, 80 \u0219i 128 de bi\u021bi \u00een codul picolibc.\n<li class=\"l\"> A fost ad\u0103ugat suport pentru arhitectura RISC SuperH.\n<li class=\"l\"> A fost \u00eembun\u0103t\u0103\u021bit\u0103 trasarea stivei \u00een timpul depan\u0103rii codului de excep\u021bii pe sistemele RISC-V.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 op\u021biunea \u201e-Dfast-bufio=true\u201d pentru a \u00eembun\u0103t\u0103\u021bi eficien\u021ba citirii \u0219i scrierii la utilizarea bufio.\n<li class=\"l\"> A fost cur\u0103\u021bat\u0103 func\u021biile inline publice pentru partajarea semanticii gnu_inline.\n<li class=\"l\"> Cele mai multe func\u021bii fenv pentru \u00eembun\u0103t\u0103\u021birea performan\u021bei au fost traduse pentru a folosi func\u021biile inline (gnu_inline) \u00een loc de cele obi\u0219nuite.\n<li class=\"l\"> A fost creat\u0103 o implementare alternativ\u0103 ctype, care nu folose\u0219te un array ctype \u0219i realizeaz\u0103 o comparare direct\u0103 a valorilor.        <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60476\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0439 \u0421\u0438-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 PicoLibc 1.8.6, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u041a\u0438\u0442\u043e\u043c \u041f\u0430\u043a\u043a\u0430\u0440\u0434\u043e\u043c (Keith Packard, \u043b\u0438\u0434\u0435\u0440 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 X.Org) \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 \u043c\u0438\u043a\u0440\u043e\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u0432 Atmel AVR. \u041a\u043e\u0434 PicoLibc \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u0431\u043e\u0440\u043a\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 [&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-113048","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 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