Ke'ng e bakang karolo ea "segmentation fault core dump"?
Core Dump (Segmentation phoso) ho C/C++ Core Dump/Segmentation phoso ke mofuta o itseng oa phoso e bakiloeng. ka ho kena mohopolong oo “e seng oa hao.” Ha sekhechana sa khoutu se leka ho etsa ts'ebetso ea ho bala le ho ngola sebakeng se baloang feela ka har'a memori kapa boloko bo lokolotsoeng ba memori, e tsejoa e le core dump.
U lokisa phoso ea likarolo joang?
Mathata a ho Fetola Likhaolo a Sebelisa GEF le GDB
- Mohato oa 1: Baka segfault ka hare ho GDB. Mohlala oa faele e bakang segfault e ka fumanoa mona. …
- Mohato oa 2: Fumana mohala o bakileng bothata. …
- Mohato oa 3: Lekola mefuta-futa le boleng ho fihlela u fumana pointer e mpe kapa typo.
Ke eng e bakang phoso ea likarolo tsa Linux?
Liphoso tsa karohano li ka hlaha maemong a tšoanang. A sekgoa se kgaphatseha, joalo ka ho leka ho fihla kantle ho meeli ea lethathamo, ho ka baka segfault, kapa ho leka ho fihlella memori e so kang e abeloa kapa e hlakotsoeng. Ho leka ho ngolla memoring e balwang feela ho ka baka phoso ya memori.
Linux e sebetsana joang le phoso ea likarolo?
Litlhahiso tsa ho lokisa liphoso tsa Segmentation Fault
- Sebelisa gdb ho fumana mohloli oa bothata.
- Netefatsa hore hardware e kentse le ho hlophisoa.
- Kamehla sebelisa lipache tsohle 'me u sebelise sistimi e ntlafalitsoeng.
- Etsa bonnete ba hore litšepe tsohle li kentsoe ka har'a chankana.
- Laeta core dumping bakeng sa lits'ebeletso tse tšehetsoeng joalo ka Apache.
U lokisa phoso ea likarolo joang?
6 Likarabo
- Kopanya kopo ea hau ka -g, 'me u tla ba le matšoao a debug faeleng ea binary.
- Sebelisa gdb ho bula gdb console.
- Sebelisa faele 'me u e fetise file ea binary ea kopo ea hau ho console.
- Sebelisa run le ho fetisa likhang life kapa life tseo kopo ea hau e hlokang ho qala.
- Etsa ho hong ho baka Phoso ea Karolo.
Ke eng e bakang phoso ea karohano?
Kakaretso. Phoso ea likarolo (aka segfault) ke boemo bo tloaelehileng bo etsang hore mananeo a senyehe; hangata li amahanngoa le faele e bitsoang core . Segfaults li bakoa ke lenaneo le lekang ho bala kapa ho ngola sebaka sa memori se seng molaong.
Na segmentation error ke phoso ea nako ea ho sebetsa?
Phoso ea karohano ke e 'ngoe ea phoso ea nako ea ho sebetsa, e bakoang ke tlolo ea phihlello ea memori, joalo ka ho fihlella index e sa sebetseng ea sehlopha, ho supa aterese e itseng e thibetsoeng, jj.
Ke lokisa faele ea mantlha ea ho lahla joang?
Ho fumana mohlala oa stack thotobolong hoa atameleha!
- etsa bonnete ba hore binary e hlophisitsoe ka matšoao a debugging.
- beha oli le kernel. core_pattern ka nepo.
- tsamaisa lenaneo.
- bula thotobolo ea hau ea mantlha ka gdb, kenya matšoao, 'me u mathe bt.
- leka ho tseba hore na ho etsahetseng!!
Phoso ea likarolo ke eng ho Unix?
Ho sistimi ea ts'ebetso ea Unix joalo ka Linux, "tlolo ea karolo" (eo hape e tsejoang e le "signal 11", "SIGSEGV", "segmentation fault" kapa, khutsufatso, "sig11" kapa "segfault") ke lets'oao le rometsoeng ke kernel ts'ebetsong ha sistimi e lemohile hore ts'ebetso e ne e leka ho fihlella aterese ea memori e sa sebetseng. ...
Phoso ea karohano e ka qojoa joang?
Ho tlohela "&" e ka baka tlolo ea likarolo. Ho fihlella ka nqane ho meeli ea lethathamo: Etsa bonnete ba hore ha ua tlola meeli ea mofuta ofe kapa ofe oo u o sebelisang; ke hore, ha u so ngolise lethathamo le nang le boleng bo ka tlase ho index ea element ea eona e tlase kapa e kholo ho feta index ea element ea eona e phahameng ka ho fetisisa.
Ke eng e bakang Sigbus?
SIGBUS e ka boela ea bakoa ke phoso efe kapa efe e akaretsang ea sesebelisoa seo komporo e e bonang, le hoja phoso ea bese e sa bolele hore hardware ea k'homphieutha e robehile 'meleng-hangata e bakoa ke bothata ba software. Liphoso tsa libese li kanna tsa hlahisoa bakeng sa liphoso tse ling tsa paging; sheba ka tlase.
Na phoso ea karohano e ka tšoaroa?
E na le backend e ikhethileng ea sethala (e alimiloeng ts'ebetsong ea java ea gcc), kahoo e ka sebetsa lipolaneteng tse ngata. E ts'ehetsa feela x86 le x86-64 ka ntle ho lebokose, empa u ka fumana li-backends ho tloha libjava, tse lulang mehloling ea gcc.
Na hoa khoneha ho tšoara Sigsegv?
Ntlha ea pele, mokhoa o ke keng oa khoneha tšoasa ea eona SIGSEGV AFAIK. Ho etsa sena, o hloka ho latela ts'ebetso (mohlala, debugger). Haeba o sebelisa lits'ebetso tse ncha tsa lets'oao (mohlala, sigaction() ho fapana le lets'oao la khale ()), leha ho le joalo, o ka fumana leseli le eketsehileng le fetisetsoang ho mohlokomeli oa hau ntle le nomoro ea lets'oao ka boyona.
Sesupo sa 6 se felisitsoe ke eng?
Letšoao la 6 ( SIGABRT ) = SIGABRT hangata e sebelisoa ke libc le lilaebrari tse ling ho phumula lenaneo haeba ho na le liphoso tse tebileng. … Pontšo ea 11 ( SIGSEGV ) = Phoso ea karohano, phoso ea bese, kapa tlolo ea phihlello. Ka kakaretso ke teko ea ho fihlella mohopolo oo CPU e ke keng ea khona ho sebetsana le eona.