{"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\/pt\/blog\/news\/vypusk-gnu-binutils-2-37","title":{"rendered":"Lan\u00e7amento do GNU Binutils 2.37.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o GNU Binutils 2.37, um conjunto de utilit\u00e1rios de sistema que inclui programas como o GNU linker, GNU assembler, nm, objdump, strings, e strip.     <\/p>\n<p>Na nova vers\u00e3o:  <\/p>\n<ul>\n<li class=\"l\"> Foram aumentados os requisitos para o ambiente de constru\u00e7\u00e3o; agora s\u00e3o necess\u00e1rias bibliotecas e um compilador que suportem o padr\u00e3o C99 para compilar o Binutils.\n<li class=\"l\"> O suporte para o formato arm-symbianelf foi descontinuado.\n<li class=\"l\"> Foi adicionado suporte para RME (Realm Management Extension), uma extens\u00e3o para a arquitetura ARMv9-A que permite a transmiss\u00e3o din\u00e2mica de recursos e mem\u00f3ria em um espa\u00e7o de endere\u00e7o protegido, ao qual aplicativos e firmware privilegiados n\u00e3o t\u00eam acesso. Esta funcionalidade proposta faz parte da infraestrutura para criar ambientes isolados da Arm CCA (Confidential Compute Architecture). O RME permite que programas comuns armazenem seus dados confidenciais nesses ambientes para proteg\u00ea-los de acessos n\u00e3o autorizados em caso de comprometimento do sistema operacional e hipervisores.\n<li class=\"l\"> Novas op\u00e7\u00f5es foram implementadas no linkador:\n<ul>\n<li class=\"l\"> '-Bno-symbolic' \u2014 cancela os modos '-Bsymbolic' e '-Bsymbolic-functions';\n<li class=\"l\"> '-z report-relative-reloc' \u2014 exibe informa\u00e7\u00f5es sobre a vincula\u00e7\u00e3o din\u00e2mica de endere\u00e7os (relocation);\n<li class=\"l\"> '-z start-stop-gc' \u2014 desativa o processamento de refer\u00eancias __start_* \/ __stop_* durante a coleta de lixo das se\u00e7\u00f5es n\u00e3o utilizadas.  <\/ul>\n<li class=\"l\"> A ferramenta readelf agora inclui a op\u00e7\u00e3o '\u2014sym-base=0|8|10|16' para escolher a forma de exibi\u00e7\u00e3o dos s\u00edmbolos num\u00e9ricos.\n<li class=\"l\"> Na ferramenta nm, foram adicionadas op\u00e7\u00f5es: '\u2014format=just-symbols' ('-j') para exibir apenas os nomes dos s\u00edmbolos e '\u2014quiet' para desativar as mensagens de diagn\u00f3stico 'no symbols'.\n<li class=\"l\"> Nas ferramentas objcopy e strip, foi adicionada a op\u00e7\u00e3o '\u2014keep-section-symbols' para desativar a remo\u00e7\u00e3o de se\u00e7\u00f5es n\u00e3o utilizadas durante o processamento dos arquivos.\n<li class=\"l\"> No objcopy, foram adicionadas as op\u00e7\u00f5es '\u2014weaken', '\u2014weaken-symbol' e '\u2014weaken-symbols' para classificar s\u00edmbolos indefinidos como weak-s\u00edmbolos.\n<li class=\"l\"> No readelf e objdump, implementou-se a possibilidade de exibir o conte\u00fado das se\u00e7\u00f5es '.debug_sup' e, por padr\u00e3o, s\u00e3o permitidas refer\u00eancias a arquivos externos com informa\u00e7\u00f5es de depura\u00e7\u00e3o (debug info).    <\/ul>\n<p>Fonte: <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 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b, \u043a\u0430\u043a GNU linker, 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