{"id":37963,"date":"2019-10-31T22:20:52","date_gmt":"2019-10-31T19:20:52","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-sostav-gcc-prinyat-bekend-dlya-kompilyatsii-v-ebpf\/"},"modified":"2019-10-31T22:20:52","modified_gmt":"2019-10-31T19:20:52","slug":"v-sostav-gcc-prinyat-bekend-dlya-kompilyatsii-v-ebpf","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/v-sostav-gcc-prinyat-bekend-dlya-kompilyatsii-v-ebpf","title":{"rendered":"GCC zahrnuje backend pro kompilaci do eBPF","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Sada kompil\u00e1tor\u016f GCC zahrnuje pl\u00e1n zbavit se FTP \u2014 v<\/a><\/noindex> k\u00f3d pro kompilaci program\u016f pro integrovan\u00fd interpret bytkov\u00e9ho k\u00f3du v j\u00e1d\u0159e Linuxu eBPF<\/a><\/noindex>. D\u00edky pou\u017eit\u00ed JIT kompilace se bytkov\u00fd k\u00f3d v j\u00e1d\u0159e za b\u011bhu p\u0159etv\u00e1\u0159\u00ed na strojov\u00e9 instrukce a vykon\u00e1v\u00e1 se s v\u00fdkonnost\u00ed nativn\u00edho k\u00f3du. Patche s podporou eBPF byly p\u0159ijaty<\/a><\/noindex> v v\u011btvi, na jej\u00edm\u017e z\u00e1klad\u011b se vyv\u00edj\u00ed vyd\u00e1n\u00ed GCC 10.<\/p>\n

Krom\u011b backendu pro generaci bytkov\u00e9ho k\u00f3du obsahuje GCC port libgcc pro eBPF a n\u00e1stroje pro vytv\u00e1\u0159en\u00ed ELF soubor\u016f, kter\u00e9 umo\u017e\u0148uj\u00ed vykon\u00e1vat k\u00f3d ve virtu\u00e1ln\u00edm stroji eBPF za pou\u017eit\u00ed poskytovan\u00fdch j\u00e1drem bootloader\u016f. Patche pro podporu eBPF v GCC p\u0159ipravili in\u017een\u00fd\u0159i z Oracle, kte\u0159\u00ed ji\u017e p\u0159edt\u00edm zaji\u0161\u0165ovali<\/a><\/noindex> podporu eBPF v GNU binutils. V sou\u010dasnosti se tak\u00e9 vyv\u00edj\u00ed simul\u00e1tor a patche pro GDB, kter\u00e9 umo\u017en\u00ed lad\u011bn\u00ed eBPF program\u016f bez jejich na\u010d\u00edt\u00e1n\u00ed do j\u00e1dra.<\/p>\n

Programy pro eBPF mohou b\u00fdt definov\u00e1ny na podmno\u017ein\u011b jazyka C, kompilov\u00e1ny a na\u010d\u00edt\u00e1ny do j\u00e1dra. P\u0159ed vykon\u00e1n\u00edm interpreter eBPF kontroluje bytkov\u00fd k\u00f3d na pou\u017eit\u00ed povolen\u00fdch instrukc\u00ed a ukl\u00e1d\u00e1 ur\u010dit\u00e9 pravidla na k\u00f3d (nap\u0159\u00edklad z\u00e1kaz cykl\u016f).
\nP\u016fvodn\u011b se pro kompilaci eBPF v Linuxu pou\u017e\u00edval n\u00e1strojov\u00fd bal\u00edk zalo\u017een\u00fd na LLVM. Podpora eBPF v GCC je zaj\u00edmav\u00e1 t\u00edm, \u017ee umo\u017e\u0148uje pou\u017e\u00edvat jeden n\u00e1stroj pro sestaven\u00ed j\u00e1dra Linuxu a program\u016f eBPF, bez nutnosti instalace dodate\u010dn\u00fdch z\u00e1vislost\u00ed. <\/p>\n

Ve form\u011b program\u016f eBPF lze vytv\u00e1\u0159et zpracovatele s\u00ed\u0165ov\u00fdch operac\u00ed, filtrovat provoz, \u0159\u00eddit \u0161\u00ed\u0159ku p\u00e1sma, sledovat \u010dinnost syst\u00e9m\u016f, zachyt\u00e1vat syst\u00e9mov\u00e9 vol\u00e1n\u00ed, kontrolovat p\u0159\u00edstup, po\u010d\u00edtat frekvenci a \u010das vykon\u00e1v\u00e1n\u00ed operac\u00ed, prov\u00e1d\u011bt trasov\u00e1n\u00ed pomoc\u00ed kprobes\/uprobes\/tracepoints.<\/p>\n

<\/a><\/noindex><\/p>\n

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u0441\u043e\u0441\u0442\u0430\u0432 \u043d\u0430\u0431\u043e\u0440\u0430 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u043e\u0432 GCC \u043f\u0440\u0438\u043d\u044f\u0442 \u043a\u043e\u0434 \u0434\u043b\u044f \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u0434\u043b\u044f \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u043e\u0433\u043e \u0432 \u044f\u0434\u0440\u043e Linux \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430 \u0431\u0430\u0439\u0442\u043a\u043e\u0434\u0430 eBPF. \u0411\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044e JIT-\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438, \u0432 \u044f\u0434\u0440\u0435 \u0431\u0430\u0439\u0442\u043a\u043e\u0434 \u043d\u0430 \u043b\u0435\u0442\u0443 \u0442\u0440\u0430\u043d\u0441\u043b\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0432 \u043c\u0430\u0448\u0438\u043d\u043d\u044b\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0441 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e \u043d\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430. \u041f\u0430\u0442\u0447\u0438 \u0441 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 eBPF \u043f\u0440\u0438\u043d\u044f\u0442\u044b \u0432 \u0432\u0435\u0442\u043a\u0443, \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a GCC 10. \u041f\u043e\u043c\u0438\u043c\u043e \u0431\u044d\u043a\u0435\u043d\u0434\u0430 \u0434\u043b\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0431\u0430\u0439\u0442\u043a\u043e\u0434\u0430 […]<\/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-37963","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Do GCC byl p\u0159ijat backend pro kompilaci do eBPF | ProHoster","description":"Sada kompil\u00e1tor\u016f GCC obsahuje k\u00f3d pro kompilaci program\u016f pro integrovan\u00fd interpret v j\u00e1d\u0159e Linuxu.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/v-sostav-gcc-prinyat-bekend-dlya-kompilyatsii-v-ebpf","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412 \u0441\u043e\u0441\u0442\u0430\u0432 GCC \u043f\u0440\u0438\u043d\u044f\u0442 \u0431\u044d\u043a\u0435\u043d\u0434 \u0434\u043b\u044f \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 \u0432 eBPF | ProHoster","og:description":"\u0412 \u0441\u043e\u0441\u0442\u0430\u0432 \u043d\u0430\u0431\u043e\u0440\u0430 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u043e\u0432 GCC \u043f\u0440\u0438\u043d\u044f\u0442 \u043a\u043e\u0434 \u0434\u043b\u044f \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u0434\u043b\u044f \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u043e\u0433\u043e \u0432 \u044f\u0434\u0440\u043e Linux \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/v-sostav-gcc-prinyat-bekend-dlya-kompilyatsii-v-ebpf","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-10-31T19:20:52+00:00","article:modified_time":"2019-10-31T19:20:52+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"37963","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-23 19:56:19","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 01:17:23","updated":"2026-01-23 19:56:19","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/37963","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=37963"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/37963\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=37963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=37963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=37963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}