{"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\/sq\/blog\/novosti-interneta\/vypusk-otladchika-gdb-17","title":{"rendered":"L\u00ebshimi i debugger-it GDB 17","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"
U publikua versioni i debugger-it GDB 17.1 (l\u00ebshimi i par\u00eb i seris\u00eb 17.x, dega 17.0 \u00ebsht\u00eb p\u00ebrdorur p\u00ebr zhvillim). GDB mb\u00ebshtet debugging n\u00eb nivelin e kodit burimor p\u00ebr nj\u00eb gam\u00eb t\u00eb gjer\u00eb gjuh\u00ebsh programimi (Ada, C, C++, D, Fortran, Go, Objective-C, Modula-2, Pascal, Rust, etj.) n\u00eb platforma t\u00eb ndryshme harduerike (i386, amd64, ARM, Power, Sparc, RISC-V, LoongArch, etj.) dhe softuerike (GNU\/Linux, *BSD, Unix, Windows, macOS). <\/p>\n
P\u00ebr sistemet x86-64 \u00ebsht\u00eb implementuar mb\u00ebshtetje p\u00ebr stek\u00ebn e err\u00ebt (shadow stack), e cila u shfaq n\u00eb b\u00ebrtham\u00ebn Linux 6.6 dhe lejon bllokimin e funksionimit t\u00eb shum\u00eb eksploiteve, duke p\u00ebrdorur mund\u00ebsit\u00eb harduerike t\u00eb procesor\u00ebve Intel p\u00ebr mbrojtjen nga ri-shkrimi i adres\u00ebs s\u00eb kthimit nga funksioni n\u00eb rastin e mbipopullimit t\u00eb tamponit n\u00eb stek. Q\u00ebllimi i mbrojtjes \u00ebsht\u00eb q\u00eb pasi t'i jepet kontrolli funksionit, adresat e kthimit ruhen nga procesori jo vet\u00ebm n\u00eb stek\u00ebn normale, por edhe n\u00eb nj\u00eb stek\u00eb t\u00eb ve\u00e7ant\u00eb 't\u00eb err\u00ebt', e cila nuk mund t\u00eb ndryshohet drejtp\u00ebrdrejt. Para se t\u00eb largohet nga funksioni, adresa e kthimit nxirret nga steka e err\u00ebt dhe kontrollohet me adres\u00ebn e kthimit nga steka kryesore.\n
Sipas joshja \u00ebsht\u00eb shtuar mund\u00ebsia p\u00ebr debugsimin e programeve Linux t\u00eb nd\u00ebrtuara p\u00ebr arkitektur\u00ebn AArch64 dhe q\u00eb p\u00ebrdorin zgjerimin GCS (Guarded Control Stack). GCS ofron mjete p\u00ebr mbrojtjen harduerike t\u00eb adresave t\u00eb kthimit nga funksionet dhe bllokimin e eksploiteve q\u00eb p\u00ebrdorin metoda t\u00eb programimit t\u00eb orientuar nga kthimi (ROP - Return-Oriented Programming, ku eksploiti formohet nga copa ekzistuese t\u00eb instrukcioneve makinerike q\u00eb p\u00ebrfundojn\u00eb me instrukcionin e kthimit t\u00eb kontrollit).\n
P\u00ebr sistemet me arkitektur\u00eb rv64gc \u00ebsht\u00eb implementuar mb\u00ebshtetje e plot\u00eb p\u00ebr regjistrimin e procesit t\u00eb ekzekutimit t\u00eb programit p\u00ebr debugging n\u00eb drejtimin e kund\u00ebrt dhe p\u00ebrs\u00ebritjen e segmenteve t\u00eb kodit.\n
N\u00eb komand\u00ebn 'info threads' jan\u00eb shtuar opsionet '-stopped' dhe '-running' p\u00ebr t\u00eb treguar vet\u00ebm threadet e ndaluara ose vet\u00ebm ato q\u00eb jan\u00eb duke u ekzekutuar.\n
N\u00eb komand\u00ebn 'info sharedlibrary' n\u00eb platformat Linux dhe FreeBSD \u00ebsht\u00eb siguruar shfaqja e adresave p\u00ebr t\u00eb gjith\u00eb intervalin e memories t\u00eb alokuar p\u00ebr bibliotek\u00ebn e p\u00ebrbashk\u00ebt (m\u00eb par\u00eb shiheshin vet\u00ebm adresa baz\u00eb dhe adresat p\u00ebr seksionin .text).\n
\u00cbsht\u00eb siguruar mund\u00ebsia e p\u00ebrdorimit t\u00eb shk\u00ebmbimeve t\u00eb gjendjes (checkpoint) n\u00eb Linux nd\u00ebrkoh\u00eb q\u00eb zhvillohet debugging p\u00ebr disa procese.\n
P\u00ebr t\u00eb shfaqur gabimet dhe paralajm\u00ebrimet jan\u00eb p\u00ebrdorur simbolet emoji.\n
N\u00eb platform\u00ebn Linux \u00ebsht\u00eb realizuar nj\u00eb mund\u00ebsi e integruar p\u00ebr qasje n\u00eb variablat lokale t\u00eb fijeve (Thread-Local Storage, TLS), e cila p\u00ebrdoret kur nuk ka bibliotek\u00eb libthread_db. Kjo mund\u00ebsi \u00ebsht\u00eb e disponueshme p\u00ebr arkitektur\u00ebn x86_64, aarch64, ppc64, s390x dhe riscv duke u nd\u00ebrtuar me GLIBC ose MUSL.\n
\u00cbsht\u00eb shtuar komanda 'set riscv numeric-register-names' p\u00ebr t\u00eb shfaqur regjistrat RISC-V duke p\u00ebrdorur identifikuesit e tyre num\u00ebror\u00eb n\u00eb vend t\u00eb emrave ABI.\n
Jan\u00eb b\u00ebr\u00eb p\u00ebrmir\u00ebsime n\u00eb API-n\u00eb Python. Jan\u00eb shtuar klasa t\u00eb reja gdb.Color dhe gdb.ParameterPrefix, atributi gdb.Value.is_unavailable, funksioni gdb.warning(). \u00cbsht\u00eb ndaluar mb\u00ebshtetja p\u00ebr versionet e vjetra t\u00eb Python - mb\u00ebshtetet vet\u00ebm Python 3.4 dhe m\u00eb pas.\n
Jan\u00eb b\u00ebr\u00eb p\u00ebrmir\u00ebsime n\u00eb API-n\u00eb Guile. \u00cbsht\u00eb shtuar tipi ''.\n
Shtes\u00eb t\u00eb reja p\u00ebr variablat $_colorsupport (lista e hap\u00ebsirave t\u00eb ngjyrave t\u00eb mb\u00ebshtetura nga terminali), $linker_namespace_count dhe $_linker_namespace (lista e hap\u00ebsirave aktiv t\u00eb emrave t\u00eb linkuesit).\n
Jan\u00eb shtuar opsionet '--disable-gdb-compile' p\u00ebr t\u00eb \u00e7aktivizuar n\u00ebn-sistemin e kompilimit, si dhe '--disable-gdb-dwarf-support' dhe '--disable-gdb-mdebug-support' p\u00ebr t\u00eb \u00e7aktivizuar informacionin e debuguar n\u00eb formatet DWARF dhe mdebug\/ecoff.\n