{"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\/et\/blog\/news\/vypusk-standartnoj-si-biblioteki-picolibc-1-8-6","title":{"rendered":"Standardse C teegi PicoLibc 1.8.6 v\u00e4ljalaskmine","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Avalikustatud on standardse C-teegi PicoLibc 1.8.6 v\u00e4ljaanne, mida arendab Keith Packard (X.Org projekti juht) ja mis on m\u00f5eldud kasutamiseks madala salvestusruumi ja m\u00e4luga seadmetes. Arendamise k\u00e4igus on osa koodist laenatud newlib teegist, mis kuulub Cygwin projekti, ja AVR Libc, mis on arendatud Atmeli AVR mikrokontrollerite jaoks. PicoLibc kood on litsentseeritud BSD litsentsi alusel. Teegi koostamine toetab arhitektuure ARM (32-bit), Aarch64, i386, RISC-V, x86_64, m68k ja PowerPC.     <\/p>\n<p>Alguses arenes projekt nime all 'newlib-nano' ja oli suunatud teatud ressursimahukate funktsioonide \u00fcmbertegemisele Newlibis, mida oli keeruline kasutada v\u00e4ikese RAM-iga sisseehitatud seadmetes. N\u00e4iteks on PicoLibcis stdio funktsioonid asendatud avrlibc'i kompaktse versiooniga. Kood on samuti puhastatud mittekasutatavatest komponentidest, mis ei kuulu BSD litsentsi alla, mis on vajalik sisseehitatud seadmete koostamisel. Lisatud on lihtsustatud alglaunduskoodi variant (crt0), ning kutsungite implementeerimine on muudetud 'struct _reent' pealt TLS (thread-local storage) mehhanismiks. Koostamiseks on kasutatud Mesoni t\u00f6\u00f6riistu.     <\/p>\n<p>Uues v\u00e4ljaandes:  <\/p>\n<ul>\n<li class=\"l\"> Newlib 4.4.0-st on edastatud muudatused, n\u00e4iteks 'long double' t\u00fc\u00fcbi tugi arhitektuuridel i386, RISC-V, Aarch64 ja x86_64, RISC-V Zfinx\/Zdinx laiendite tugi, katalogide sisestamisel maskide kasutamise v\u00f5imalus, Xtensa protsessorite portimise implementeerimine ning printf t\u00f6\u00f6tlejate eraldamine eraldi failidesse, et v\u00e4hendada linkimise ajal suurust.\n<li class=\"l\"> Faili picolibc.ld on lisatud s\u00fcmbolid '__eh_*' LLVM libunwind jaoks.\n<li class=\"l\"> Kaasatud on 32-bitiste SPARC s\u00fcsteemide testimiseks tugi.\n<li class=\"l\"> Toetatud on sihtplatvormid ebatavaliste ujuvpunktit\u00fc\u00fcpidega, mis kajastuvad 32-, 64-, 80- ja 128-bitistes t\u00fc\u00fcpides picolibc koodis.\n<li class=\"l\"> Lisatud on RISC-architektuuri SuperH tugi.\n<li class=\"l\"> RISC-V s\u00fcsteemides on paranenud virna j\u00e4lgimine, kui t\u00f5rkelise koodi silumine.\n<li class=\"l\"> Lisatud on valik '-Dfast-bufio=true', et suurendada lugemise ja kirjutamise efektiivsust bufio kasutamisel.\n<li class=\"l\"> Avalikke inline-funktsioone on puhastatud GNU inline-semantika jagamiseks.\n<li class=\"l\"> Enamik fenv funktsioone on t\u00f5stetud inline-funktsioonide (gnu_inline) kasutamisele, et parandada toimivust, asendades tavap\u00e4rased funktsioonid.\n<li class=\"l\"> Loodud on alternatiivne ctype teostus, mis ei kasuta ctype massiivi ja teostab otsese v\u00e4\u00e4rtuste v\u00f5rdlemise.        <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60476\">opennet.ru<\/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 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \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 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