{"id":100786,"date":"2021-07-19T10:22:44","date_gmt":"2021-07-19T08:22:44","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-gnu-binutils-2-37"},"modified":"2021-07-19T10:22:44","modified_gmt":"2021-07-19T08:22:44","slug":"vypusk-gnu-binutils-2-37","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-gnu-binutils-2-37","title":{"rendered":"Vyd\u00e1n\u00ed GNU Binutils 2.37","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bylo p\u0159edstaveno vyd\u00e1n\u00ed sady syst\u00e9mov\u00fdch utilit GNU Binutils 2.37, jeho\u017e sou\u010d\u00e1st\u00ed jsou programy jako GNU linker, GNU assembler, nm, objdump, strings, strip.     <\/p>\n<p>V nov\u00e9 verzi:  <\/p>\n<ul>\n<li class=\"l\"> Byly zv\u00fd\u0161eny po\u017eadavky na sestavovac\u00ed prost\u0159ed\u00ed, pro sestaven\u00ed Binutils nyn\u00ed vy\u017eaduje knihovny a kompil\u00e1tor podporuj\u00edc\u00ed standard C99.\n<li class=\"l\"> Podpora form\u00e1tu arm-symbianelf byla ukon\u010dena.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora RME (Realm Management Extension), roz\u0161\u00ed\u0159en\u00ed pro architekturu ARMv9-A, kter\u00e9 umo\u017e\u0148uje organizaci dynamick\u00e9ho p\u0159enosu prost\u0159edk\u016f a pam\u011bti do separ\u00e1tn\u00edho chr\u00e1n\u011bn\u00e9ho adresn\u00edho prostoru, k n\u011bmu\u017e nemaj\u00ed p\u0159\u00edstup privilegovan\u00e9 aplikace a firmware TrustZone. Navrhovan\u00e1 mo\u017enost je sou\u010d\u00e1st\u00ed infrastruktury pro vytv\u00e1\u0159en\u00ed izolovan\u00fdch prost\u0159ed\u00ed Arm CCA (Confidential Compute Architecture). RME umo\u017e\u0148uje b\u011b\u017en\u00fdm program\u016fm uchov\u00e1vat sv\u00e1 d\u016fv\u011brn\u00e1 data v takov\u00fdch prost\u0159ed\u00edch pro jejich ochranu p\u0159ed neopr\u00e1vn\u011bn\u00fdm p\u0159\u00edstupem v p\u0159\u00edpad\u011b kompromitace opera\u010dn\u00edho syst\u00e9mu a hypervisor\u016f.\n<li class=\"l\"> V linkeru byly implementov\u00e1ny nov\u00e9 mo\u017enosti:\n<ul>\n<li class=\"l\"> '-Bno-symbolic' \u2014 ru\u0161\u00ed re\u017eimy '-Bsymbolic' a '-Bsymbolic-functions';\n<li class=\"l\"> '-z report-relative-reloc' \u2014 zobrazuje informace o dynamick\u00e9m propojen\u00ed adres (relocation);\n<li class=\"l\"> '-z start-stop-gc' \u2014 vyp\u00edn\u00e1 zpracov\u00e1n\u00ed odkaz\u016f __start_* \/ __stop_* p\u0159i \u00faklidu nepou\u017e\u00edvan\u00fdch sekc\u00ed spr\u00e1vcem pam\u011bti.  <\/ul>\n<li class=\"l\"> Do utility readelf byla p\u0159id\u00e1na volba '\u2014sym-base=0|8|10|16' pro v\u00fdb\u011br form\u00e1tu zobrazen\u00ed \u010d\u00edseln\u00fdch symbol\u016f.\n<li class=\"l\"> Do utility nm byly p\u0159id\u00e1ny volby: '\u2014format=just-symbols' ('-j') pro v\u00fdstup pouze n\u00e1zv\u016f symbol\u016f a '\u2014quiet' pro vypnut\u00ed diagnostick\u00fdch zpr\u00e1v 'no symbols'.\n<li class=\"l\"> Do utilit objcopy a strip byla p\u0159id\u00e1na volba '\u2014keep-section-symbols' pro vypnut\u00ed odstran\u011bn\u00ed nepou\u017e\u00edvan\u00fdch sekc\u00ed p\u0159i zpracov\u00e1n\u00ed soubor\u016f.\n<li class=\"l\"> Do objcopy byly p\u0159id\u00e1ny volby '\u2014weaken', '\u2014weaken-symbol' a '\u2014weaken-symbols' pro za\u0159azen\u00ed nevy\u0159e\u0161en\u00fdch symbol\u016f do kategorie weak-symbols.\n<li class=\"l\"> V readelf a objdump byla implementov\u00e1na mo\u017enost zobrazen\u00ed obsahu sekc\u00ed '.debug_sup' a ve v\u00fdchoz\u00edm nastaven\u00ed jsou povoleny odkazy na samostatn\u00e9 soubory s lad\u00edc\u00edmi informacemi (debug info).    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55505\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043d\u0430\u0431\u043e\u0440\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0443\u0442\u0438\u043b\u0438\u0442 GNU Binutils 2.37, \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0432\u0445\u043e\u0434\u044f\u0442 \u0442\u0430\u043a\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b, \u043a\u0430\u043a GNU linker, GNU assembler, nm, objdump, strings, strip. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438: \u041f\u043e\u0432\u044b\u0448\u0435\u043d\u044b \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u043a \u0441\u0431\u043e\u0440\u043e\u0447\u043d\u043e\u043c\u0443 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044e, \u0434\u043b\u044f \u0441\u0431\u043e\u0440\u043a\u0438 Binutils \u0442\u0435\u043f\u0435\u0440\u044c \u0442\u0440\u0435\u0431\u0443\u044e\u0442\u0441\u044f \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 C99. \u041f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 arm-symbianelf. \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 RME (Realm Management Extension), \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b [&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-100786","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043d\u0430\u0431\u043e\u0440\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0443\u0442\u0438\u043b\u0438\u0442 GNU Binutils 2.37, \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0432\u0445\u043e\u0434\u044f\u0442 \u0442\u0430\u043a\u0438\u0435 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