{"id":108843,"date":"2023-06-05T09:10:29","date_gmt":"2023-06-05T07:10:30","guid":{"rendered":"https:\/\/prohoster.info\/?p=108843"},"modified":"2023-06-05T17:18:09","modified_gmt":"2023-06-05T15:18:09","slug":"pervyj-vypusk-blink-vysokoproizvoditelnogo-emulyatora-sistem-x86-64","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/pervyj-vypusk-blink-vysokoproizvoditelnogo-emulyatora-sistem-x86-64","title":{"rendered":"Prvo izdanje Blink, visokou\u010dinkovitog emulatora x86-64 sustava.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Objavljen je prvi zna\u010dajan izdanak projekta Blink, koji razvija emulator procesora x86-64, omogu\u0107avaju\u0107i pokretanje stati\u010dki i dinami\u010dki sastavljenih Linux aplikacija u virtualnoj ma\u0161ini s emuliranim procesorom. Uz pomo\u0107 Blink-a, Linux programi sastavljeni za arhitekturu x86-64 mogu se pokretati na drugim POSIX-kompatibilnim operativnim sustavima (macOS, FreeBSD, NetBSD, OpenBSD, Cygwin) i na hardveru s drugom arhitekturom (x86, ARM, RISC-V, MIPS, PowerPC, s390x). Kod projekta napisan je u programskom jeziku C (ANSI C11) i distribuira se pod ISC licencom. Od ovisnosti zahtijeva samo libc (POSIX.1-2017). <\/p>\n

\u041f\u043e \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 Blink \u043d\u0430\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442 \u043a\u043e\u043c\u0430\u043d\u0434\u0443 qemu-x86_64, \u043d\u043e \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0442 QEMU \u0431\u043e\u043b\u0435\u0435 \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u043c \u0438\u0441\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0438 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u043f\u0440\u0438\u0440\u043e\u0441\u0442\u043e\u043c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0439 \u0444\u0430\u0439\u043b Blink \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 \u0432\u0441\u0435\u0433\u043e 221 \u041a\u0411 (\u043f\u0440\u0438 \u0443\u0440\u0435\u0437\u0430\u043d\u043d\u043e\u0439 \u0441\u0431\u043e\u0440\u043a\u0435 — 115 \u041a\u0411) \u0432\u043c\u0435\u0441\u0442\u043e 4 \u041c\u0411 \u0443 qemu-x86_64, \u0430 \u043f\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0432 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0442\u0435\u0441\u0442\u0430\u0445, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u0437\u0430\u043f\u0443\u0441\u043a \u0432 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0435 GCC \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439, \u043e\u0431\u0433\u043e\u043d\u044f\u0435\u0442 QEMU \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e \u0432 \u0434\u0432\u0430 \u0440\u0430\u0437\u0430. <\/p>\n

Za postizanje visoke performanse koristi se JIT-kompajler, koji u hodu pretvara izvorne instrukcije u strojni kod za ciljnu platformu. Podr\u017eava se izravno pokretanje izvr\u0161nih datoteka u formatima ELF, PE (Portable Executables) i bin (Flat executable), sastavljenih sa standardnim C knji\u017enicama Cosmopolitan, Glibc i Musl. Implementirana je ugra\u0111ena podr\u0161ka za 180 sistemskih poziva Linuxa i emulacija oko 600 procesorskih instrukcija x86, obuhva\u0107aju\u0107i instrukcijske setove i8086, i386, SSE2, x86_64, SSE3, SSSE3, CLMUL, POPCNT, ADX, BMI2 (MULX, PDEP, PEXT), X87, RDRND, RDSEED i RDTSCP. <\/p>\n

Dodatno, na temelju Blinka razvija se alat blinkenlights, koji pru\u017ea su\u010delje za vizualizaciju toka izvr\u0161enja programa i analizu sadr\u017eaja memorije. Alat se mo\u017ee koristiti kao debager, koji podr\u017eava na\u010din reverzne debagiranja (Reverse-Debugging) i omogu\u0107ava kretanje unatrag kroz povijest izvr\u0161enja i vra\u0107anje na ve\u0107 prethodno izvr\u0161enu to\u010dku. Projekt razvija autor takvih rje\u0161enja kao \u0161to su C knji\u017enica Cosmopolitan, port mehanizma izolacije pledge za Linux i sustav univerzalnih izvr\u0161nih datoteka Redbean.

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

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\u044d\u043c\u0443\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u043c \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u043c. \u041f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 Blink c\u043e\u0431\u0440\u0430\u043d\u043d\u044b\u0435 \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b x86-64 Linux-\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u043c\u043e\u0436\u043d\u043e \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u0432 \u0434\u0440\u0443\u0433\u0438\u0445 POSIX-\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 (macOS, FreeBSD, NetBSD, OpenBSD, Cygwin) \u0438 \u043d\u0430 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0438 \u0441 \u0434\u0440\u0443\u0433\u043e\u0439 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 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