{"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\/pl\/blog\/news\/vypusk-standartnoj-si-biblioteki-picolibc-1-4-7","title":{"rendered":"Wydanie standardowej biblioteki C PicoLibc 1.4.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Keith Packard, aktywny deweloper Debiana, lider projektu X.Org i tw\u00f3rca wielu rozszerze\u0144 X, w tym XRender, XComposite i XRandR, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/picolibc\/picolibc\/releases\">opublikowa\u0142<\/a><\/noindex> wydanie standardowej biblioteki C <noindex><a rel=\"nofollow\" href=\"https:\/\/keithp.com\/picolibc\/\">PicoLibc 1.4.7<\/a><\/noindex>, rozwijanej z my\u015bl\u0105 o zastosowaniach w urz\u0105dzeniach wbudowanych z ograniczon\u0105 pami\u0119ci\u0105 sta\u0142\u0105 i RAM. W trakcie opracowywania cz\u0119\u015b\u0107 kodu zosta\u0142a zapo\u017cyczona z biblioteki <noindex><a rel=\"nofollow\" href=\"http:\/\/sourceware.org\/newlib\/\">newlib<\/a><\/noindex> z projektu Cygwin i <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nongnu.org\/avr-libc\/\">AVR Libc<\/a><\/noindex>, rozwijanej dla mikro kontroler\u00f3w Atmel AVR. Kod PicoLibc <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/keith-packard\/picolibc\">rozpowszechniany<\/a><\/noindex> jest dost\u0119pny na licencji BSD. Wspierana jest kompilacja biblioteki dla architektur ARM (32-bit), i386, RISC-V, x86_64 i PowerPC.<\/p>\n<p>Pierwotnie projekt rozwija\u0142 si\u0119 pod nazw\u0105 &#171;newlib-nano&#187; i mia\u0142 na celu przetworzenie niekt\u00f3rych zasobo\u017cernych funkcji Newlib, kt\u00f3re by\u0142y problematyczne w u\u017cyciu na urz\u0105dzeniach wbudowanych z ograniczon\u0105 pami\u0119ci\u0105 RAM. Na przyk\u0142ad funkcje stdio zosta\u0142y zast\u0105pione kompaktow\u0105 wersj\u0105 z biblioteki avrlibc. Kod zosta\u0142 r\u00f3wnie\u017c oczyszczony z komponent\u00f3w, kt\u00f3re nie by\u0142y u\u017cywane w budowie dla urz\u0105dze\u0144 wbudowanych i nie by\u0142y dostarczane na licencji BSD. Dodano uproszczon\u0105 wersj\u0119 kodu inicjalizacji (crt0), a implementacja lokalnych w\u0105tk\u00f3w zosta\u0142a przeniesiona z &#8216;struct _reent&#8217; na mechanizm TLS.<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Thread-local_storage\">thread-local storage<\/a><\/noindex>). Do kompilacji u\u017cyto narz\u0119dzi Meson. <\/p>\n<p>W nowym wydaniu:<\/p>\n<ul>\n<li class=\"l\"> Dodano mo\u017cliwo\u015b\u0107 kompilacji przy u\u017cyciu <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50470\">matematycznie zweryfikowanego<\/a><\/noindex> kompilatora <noindex><a rel=\"nofollow\" href=\"http:\/\/compcert.inria.fr\/compcert-C.html\">CompCert<\/a><\/noindex>.\n<li class=\"l\"> Dodano wsparcie dla kompilatora Clang.\n<li class=\"l\"> Zachowanie funkcji &#8216;gamma&#8217; dostosowano do zachowania Glibc.\n<li class=\"l\"> W implementacji nano-malloc zapewniono obligatoryjne czyszczenie zwracanej pami\u0119ci.\n<li class=\"l\"> Poprawiono wydajno\u015b\u0107 nano-realloc, zw\u0142aszcza przy \u0142\u0105czeniu wolnych blok\u00f3w i rozszerzaniu rozmiaru sterty.\n<li class=\"l\"> Dodano zestaw test\u00f3w do weryfikacji poprawno\u015bci dzia\u0142ania malloc.\n<li class=\"l\"> Ulepszono wsparcie dla platformy Windows oraz dodano mo\u017cliwo\u015b\u0107 kompilacji przy u\u017cyciu narz\u0119dzi mingw.\n<li class=\"l\"> Na systemach ARM z wykorzystaniem zosta\u0142 u\u017cyty sprz\u0119towy rejestr TLS (Thread-Local Storage).\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=53962\">opennet.ru<\/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 5.0.1.1 - aioseo.com -->\n\t<meta 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