{"id":152243,"date":"2025-12-21T11:12:03","date_gmt":"2025-12-21T09:12:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-otladchika-gdb-17"},"modified":"2025-12-21T11:12:03","modified_gmt":"2025-12-21T09:12:03","slug":"vypusk-otladchika-gdb-17","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/vypusk-otladchika-gdb-17","title":{"rendered":"Wydanie debuggera GDB 17","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Przedstawiono wydanie debuggera GDB 17.1 (pierwsza wersja serii 17.x, ga\u0142\u0105\u017a 17.0 by\u0142a wykorzystywana do rozwoju). GDB wspiera debugowanie aplikacji w wielu j\u0119zykach programowania (Ada, C, C++, D, Fortran, Go, Objective-C, Modula-2, Pascal, Rust itp.) na r\u00f3\u017cnych platformach sprz\u0119towych (i386, amd64, ARM, Power, Sparc, RISC-V, LoongArch itp.) oraz programowych (GNU\/Linux, *BSD, Unix, Windows, macOS).    <\/p>\n<p>Najbardziej zauwa\u017calne ulepszenia:  <\/p>\n<ul>\n<li class=\"l\"> Dla system\u00f3w x86-64 zaimplementowano wsparcie dla stosu cieniowego (shadow stack), kt\u00f3ry pojawi\u0142 si\u0119 w j\u0105drze Linux 6.6 i umo\u017cliwia blokowanie wielu exploit\u00f3w, korzystaj\u0105c z funkcji sprz\u0119towych procesor\u00f3w Intel w celu ochrony przed nadpisywaniem adresu powrotu z funkcji w przypadku przepe\u0142nienia bufora na stosie. Istot\u0105 ochrony jest to, \u017ce po przekazaniu kontroli do funkcji, adresy powrotu s\u0105 przechowywane przez procesor nie tylko w zwyk\u0142ym stosie, ale tak\u017ce w oddzielnym \u201ecieniu\u201d, kt\u00f3ry nie mo\u017ce by\u0107 zmieniony bezpo\u015brednio. Przed wyj\u015bciem z funkcji adres powrotu jest wyci\u0105gany ze stosu cieniowego i weryfikowany z adresem powrotu w g\u0142\u00f3wnym stosie.\n<li class=\"l\"> Dodano mo\u017cliwo\u015b\u0107 debugowania program\u00f3w Linuxa, skompilowanych dla architektury AArch64 i korzystaj\u0105cych z rozszerzenia GCS (Guarded Control Stack). GCS zapewnia mechanizmy ochrony adres\u00f3w powrotu z funkcji oraz blokowania exploit\u00f3w u\u017cywaj\u0105cych technik programowania powrotnego (ROP \u2013 Return-Oriented Programming, exploit tworzony z ju\u017c istniej\u0105cych fragment\u00f3w instrukcji maszynowych, ko\u0144cz\u0105cych si\u0119 instrukcj\u0105 powrotu).\n<li class=\"l\"> Dla system\u00f3w z architektur\u0105 rv64gc wprowadzono pe\u0142ne wsparcie dla nagrywania procesu wykonania programu do debugowania w odwrotnej kolejno\u015bci i ponownego odtwarzania fragment\u00f3w kodu.\n<li class=\"l\"> Do polecenia \u201einfo threads\u201d dodano opcje \u201e-stopped\u201d i \u201e-running\u201d do wy\u015bwietlania tylko zatrzymanych lub tylko dzia\u0142aj\u0105cych w\u0105tk\u00f3w.\n<li class=\"l\"> W poleceniu \u201einfo sharedlibrary\u201d na platformach Linux i FreeBSD zapewniono wy\u015bwietlanie adres\u00f3w dla ca\u0142ego zakresu pami\u0119ci przydzielonej bibliotece wsp\u00f3\u0142dzielonej (wcze\u015bniej wy\u015bwietlany by\u0142 tylko adres podstawowy i adresy dla sekcji .text).\n<li class=\"l\"> Zapewniono mo\u017cliwo\u015b\u0107 korzystania ze zrzut\u00f3w stanu (checkpoint) w Linuxie podczas jednoczesnego debugowania wielu proces\u00f3w.\n<li class=\"l\"> Rozszerzono wsparcie dla przestrzeni nazw linker\u00f3w (linker namespace).\n<li class=\"l\"> Do wyr\u00f3\u017cnienia b\u0142\u0119d\u00f3w i ostrze\u017ce\u0144 u\u017cyto symboli emoji.\n<li class=\"l\"> Na platformie Linux wprowadzono wbudowan\u0105 mo\u017cliwo\u015b\u0107 dost\u0119pu do lokalnych zmiennych w\u0105tk\u00f3w (Thread-Local Storage, TLS), u\u017cywan\u0105 w przypadku braku biblioteki libthread_db. Funkcjonalno\u015b\u0107 ta jest dost\u0119pna dla architektur x86_64, aarch64, ppc64, s390x oraz riscv przy budowie z GLIBC lub MUSL.\n<li class=\"l\"> Dodano polecenie \u00abset riscv numeric-register-names\u00bb do wy\u015bwietlania rejestr\u00f3w RISC-V z u\u017cyciem ich identyfikator\u00f3w numerycznych zamiast nazw ABI.\n<li class=\"l\"> Wprowadzone ulepszenia w API Pythona. Dodano nowe klasy gdb.Color i gdb.ParameterPrefix, atrybut gdb.Value.is_unavailable, funkcj\u0119 gdb.warning(). Wsparcie dla starszych wersji Pythona zosta\u0142o zako\u0144czone \u2014 obs\u0142ugiwany jest tylko Python 3.4 i nowsze.\n<li class=\"l\"> Wprowadzone ulepszenia w API Guile. Dodano typ \u00ab\u00bb.\n<li class=\"l\"> Zwi\u0119kszono mo\u017cliwo\u015bci protoko\u0142u DAP (Debugger Adapter Protocol): wdro\u017cono wsparcie dla zapyta\u0144 \u00abcompletions\u00bb oraz dodano opcj\u0119 \u00ab--binary-output\u00bb do wy\u0142\u0105czenia konwersji znak\u00f3w ko\u0144ca linii na platformie Windows.\n<li class=\"l\"> Dodano zmienne $_colorsupport (lista przestrzeni kolor\u00f3w obs\u0142ugiwanych przez terminal), $linker_namespace_count oraz $_linker_namespace (lista aktywnych przestrzeni nazw kompilatora).\n<li class=\"l\"> Dodano opcje \u00ab--disable-gdb-compile\u00bb do wy\u0142\u0105czenia podsystemu kompilacji, a tak\u017ce \u00ab--disable-gdb-dwarf-support\u00bb oraz \u00ab--disable-gdb-mdebug-support\u00bb do wy\u0142\u0105czenia informacji debugowania w formatach DWARF i mdebug\/ecoff.\n<li class=\"l\"> W gdbserver zako\u0144czono wsparcie dla UST (static tracepoint).  <\/ul>\n<p>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64463\">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 \u043e\u0442\u043b\u0430\u0434\u0447\u0438\u043a\u0430 GDB 17.1 (\u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0440\u0438\u0438 17.x, \u0432\u0435\u0442\u043a\u0430 17.0 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0430\u0441\u044c \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438). GDB \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043e\u0442\u043b\u0430\u0434\u043a\u0443 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 \u0434\u043b\u044f \u0448\u0438\u0440\u043e\u043a\u043e\u0433\u043e \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u044f\u0437\u044b\u043a\u043e\u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f (Ada, C, C++, D, Fortran, Go, Objective-C, Modula-2, Pascal, Rust \u0438 \u0442.\u0434.) \u043d\u0430 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u0445 (i386, amd64, ARM, Power, Sparc, RISC-V, LoongArch \u0438 \u0442.\u0434.) \u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430\u0445 (GNU\/Linux, *BSD, [&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-152243","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=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043e\u0442\u043b\u0430\u0434\u0447\u0438\u043a\u0430 GDB 17.1 (\u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0440\u0438\u0438 17.x, \u0432\u0435\u0442\u043a\u0430 17.0 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0430\u0441\u044c \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438).\" \/>\n\t<meta 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\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\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043b\u0430\u0434\u0447\u0438\u043a\u0430 GDB 17 | ProHoster","og:description":"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043e\u0442\u043b\u0430\u0434\u0447\u0438\u043a\u0430 GDB 17.1 (\u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0440\u0438\u0438 17.x, \u0432\u0435\u0442\u043a\u0430 17.0 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0430\u0441\u044c \u0434\u043b\u044f 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