| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Martin KaFai Lau | 24870 | 54.92% | 17 | 16.50% |
| Yonghong Song | 10138 | 22.39% | 31 | 30.10% |
| Andrii Nakryiko | 3792 | 8.37% | 23 | 22.33% |
| Jakub Kiciński | 2468 | 5.45% | 1 | 0.97% |
| Daniel Borkmann | 1573 | 3.47% | 7 | 6.80% |
| Eduard Zingerman | 1233 | 2.72% | 3 | 2.91% |
| Ilya Leoshkevich | 546 | 1.21% | 4 | 3.88% |
| Kumar Kartikeya Dwivedi | 255 | 0.56% | 1 | 0.97% |
| Stanislav Fomichev | 162 | 0.36% | 4 | 3.88% |
| Lorenz Bauer | 130 | 0.29% | 1 | 0.97% |
| Yoshiki Komachi | 50 | 0.11% | 1 | 0.97% |
| Alexei Starovoitov | 46 | 0.10% | 1 | 0.97% |
| Hengqi Chen | 8 | 0.02% | 2 | 1.94% |
| YiFei Zhu | 5 | 0.01% | 1 | 0.97% |
| Quentin Monnet | 2 | 0.00% | 1 | 0.97% |
| Daniel Müller | 2 | 0.00% | 1 | 0.97% |
| Junlin Yang | 2 | 0.00% | 1 | 0.97% |
| Dan Carpenter | 1 | 0.00% | 1 | 0.97% |
| Colin Ian King | 1 | 0.00% | 1 | 0.97% |
| Mauricio Vásquez | 1 | 0.00% | 1 | 0.97% |
| Total | 45285 | 103 |
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074207520762077207820792080208120822083208420852086208720882089209020912092209320942095209620972098209921002101210221032104210521062107210821092110211121122113211421152116211721182119212021212122212321242125212621272128212921302131213221332134213521362137213821392140214121422143214421452146214721482149215021512152215321542155215621572158215921602161216221632164216521662167216821692170217121722173217421752176217721782179218021812182218321842185218621872188218921902191219221932194219521962197219821992200220122022203220422052206220722082209221022112212221322142215221622172218221922202221222222232224222522262227222822292230223122322233223422352236223722382239224022412242224322442245224622472248224922502251225222532254225522562257225822592260226122622263226422652266226722682269227022712272227322742275227622772278227922802281228222832284228522862287228822892290229122922293229422952296229722982299230023012302230323042305230623072308230923102311231223132314231523162317231823192320232123222323232423252326232723282329233023312332233323342335233623372338233923402341234223432344234523462347234823492350235123522353235423552356235723582359236023612362236323642365236623672368236923702371237223732374237523762377237823792380238123822383238423852386238723882389239023912392239323942395239623972398239924002401240224032404240524062407240824092410241124122413241424152416241724182419242024212422242324242425242624272428242924302431243224332434243524362437243824392440244124422443244424452446244724482449245024512452245324542455245624572458245924602461246224632464246524662467246824692470247124722473247424752476247724782479248024812482248324842485248624872488248924902491249224932494249524962497249824992500250125022503250425052506250725082509251025112512251325142515251625172518251925202521252225232524252525262527252825292530253125322533253425352536253725382539254025412542254325442545254625472548254925502551255225532554255525562557255825592560256125622563256425652566256725682569257025712572257325742575257625772578257925802581258225832584258525862587258825892590259125922593259425952596259725982599260026012602260326042605260626072608260926102611261226132614261526162617261826192620262126222623262426252626262726282629263026312632263326342635263626372638263926402641264226432644264526462647264826492650265126522653265426552656265726582659266026612662266326642665266626672668266926702671267226732674267526762677267826792680268126822683268426852686268726882689269026912692269326942695269626972698269927002701270227032704270527062707270827092710271127122713271427152716271727182719272027212722272327242725272627272728272927302731273227332734273527362737273827392740274127422743274427452746274727482749275027512752275327542755275627572758275927602761276227632764276527662767276827692770277127722773277427752776277727782779278027812782278327842785278627872788278927902791279227932794279527962797279827992800280128022803280428052806280728082809281028112812281328142815281628172818281928202821282228232824282528262827282828292830283128322833283428352836283728382839284028412842284328442845284628472848284928502851285228532854285528562857285828592860286128622863286428652866286728682869287028712872287328742875287628772878287928802881288228832884288528862887288828892890289128922893289428952896289728982899290029012902290329042905290629072908290929102911291229132914291529162917291829192920292129222923292429252926292729282929293029312932293329342935293629372938293929402941294229432944294529462947294829492950295129522953295429552956295729582959296029612962296329642965296629672968296929702971297229732974297529762977297829792980298129822983298429852986298729882989299029912992299329942995299629972998299930003001300230033004300530063007300830093010301130123013301430153016301730183019302030213022302330243025302630273028302930303031303230333034303530363037303830393040304130423043304430453046304730483049305030513052305330543055305630573058305930603061306230633064306530663067306830693070307130723073307430753076307730783079308030813082308330843085308630873088308930903091309230933094309530963097309830993100310131023103310431053106310731083109311031113112311331143115311631173118311931203121312231233124312531263127312831293130313131323133313431353136313731383139314031413142314331443145314631473148314931503151315231533154315531563157315831593160316131623163316431653166316731683169317031713172317331743175317631773178317931803181318231833184318531863187318831893190319131923193319431953196319731983199320032013202320332043205320632073208320932103211321232133214321532163217321832193220322132223223322432253226322732283229323032313232323332343235323632373238323932403241324232433244324532463247324832493250325132523253325432553256325732583259326032613262326332643265326632673268326932703271327232733274327532763277327832793280328132823283328432853286328732883289329032913292329332943295329632973298329933003301330233033304330533063307330833093310331133123313331433153316331733183319332033213322332333243325332633273328332933303331333233333334333533363337333833393340334133423343334433453346334733483349335033513352335333543355335633573358335933603361336233633364336533663367336833693370337133723373337433753376337733783379338033813382338333843385338633873388338933903391339233933394339533963397339833993400340134023403340434053406340734083409341034113412341334143415341634173418341934203421342234233424342534263427342834293430343134323433343434353436343734383439344034413442344334443445344634473448344934503451345234533454345534563457345834593460346134623463346434653466346734683469347034713472347334743475347634773478347934803481348234833484348534863487348834893490349134923493349434953496349734983499350035013502350335043505350635073508350935103511351235133514351535163517351835193520352135223523352435253526352735283529353035313532353335343535353635373538353935403541354235433544354535463547354835493550355135523553355435553556355735583559356035613562356335643565356635673568356935703571357235733574357535763577357835793580358135823583358435853586358735883589359035913592359335943595359635973598359936003601360236033604360536063607360836093610361136123613361436153616361736183619362036213622362336243625362636273628362936303631363236333634363536363637363836393640364136423643364436453646364736483649365036513652365336543655365636573658365936603661366236633664366536663667366836693670367136723673367436753676367736783679368036813682368336843685368636873688368936903691369236933694369536963697369836993700370137023703370437053706370737083709371037113712371337143715371637173718371937203721372237233724372537263727372837293730373137323733373437353736373737383739374037413742374337443745374637473748374937503751375237533754375537563757375837593760376137623763376437653766376737683769377037713772377337743775377637773778377937803781378237833784378537863787378837893790379137923793379437953796379737983799380038013802380338043805380638073808380938103811381238133814381538163817381838193820382138223823382438253826382738283829383038313832383338343835383638373838383938403841384238433844384538463847384838493850385138523853385438553856385738583859386038613862386338643865386638673868386938703871387238733874387538763877387838793880388138823883388438853886388738883889389038913892389338943895389638973898389939003901390239033904390539063907390839093910391139123913391439153916391739183919392039213922392339243925392639273928392939303931393239333934393539363937393839393940394139423943394439453946394739483949395039513952395339543955395639573958395939603961396239633964396539663967396839693970397139723973397439753976397739783979398039813982398339843985398639873988398939903991399239933994399539963997399839994000400140024003400440054006400740084009401040114012401340144015401640174018401940204021402240234024402540264027402840294030403140324033403440354036403740384039404040414042404340444045404640474048404940504051405240534054405540564057405840594060406140624063406440654066406740684069407040714072407340744075407640774078407940804081408240834084408540864087408840894090409140924093409440954096409740984099410041014102410341044105410641074108410941104111411241134114411541164117411841194120412141224123412441254126412741284129413041314132413341344135413641374138413941404141414241434144414541464147414841494150415141524153415441554156415741584159416041614162416341644165416641674168416941704171417241734174417541764177417841794180418141824183418441854186418741884189419041914192419341944195419641974198419942004201420242034204420542064207420842094210421142124213421442154216421742184219422042214222422342244225422642274228422942304231423242334234423542364237423842394240424142424243424442454246424742484249425042514252425342544255425642574258425942604261426242634264426542664267426842694270427142724273427442754276427742784279428042814282428342844285428642874288428942904291429242934294429542964297429842994300430143024303430443054306430743084309431043114312431343144315431643174318431943204321432243234324432543264327432843294330433143324333433443354336433743384339434043414342434343444345434643474348434943504351435243534354435543564357435843594360436143624363436443654366436743684369437043714372437343744375437643774378437943804381438243834384438543864387438843894390439143924393439443954396439743984399440044014402440344044405440644074408440944104411441244134414441544164417441844194420442144224423442444254426442744284429443044314432443344344435443644374438443944404441444244434444444544464447444844494450445144524453445444554456445744584459446044614462446344644465446644674468446944704471447244734474447544764477447844794480448144824483448444854486448744884489449044914492449344944495449644974498449945004501450245034504450545064507450845094510451145124513451445154516451745184519452045214522452345244525452645274528452945304531453245334534453545364537453845394540454145424543454445454546454745484549455045514552455345544555455645574558455945604561456245634564456545664567456845694570457145724573457445754576457745784579458045814582458345844585458645874588458945904591459245934594459545964597459845994600460146024603460446054606460746084609461046114612461346144615461646174618461946204621462246234624462546264627462846294630463146324633463446354636463746384639464046414642464346444645464646474648464946504651465246534654465546564657465846594660466146624663466446654666466746684669467046714672467346744675467646774678467946804681468246834684468546864687468846894690469146924693469446954696469746984699470047014702470347044705470647074708470947104711471247134714471547164717471847194720472147224723472447254726472747284729473047314732473347344735473647374738473947404741474247434744474547464747474847494750475147524753475447554756475747584759476047614762476347644765476647674768476947704771477247734774477547764777477847794780478147824783478447854786478747884789479047914792479347944795479647974798479948004801480248034804480548064807480848094810481148124813481448154816481748184819482048214822482348244825482648274828482948304831483248334834483548364837483848394840484148424843484448454846484748484849485048514852485348544855485648574858485948604861486248634864486548664867486848694870487148724873487448754876487748784879488048814882488348844885488648874888488948904891489248934894489548964897489848994900490149024903490449054906490749084909491049114912491349144915491649174918491949204921492249234924492549264927492849294930493149324933493449354936493749384939494049414942494349444945494649474948494949504951495249534954495549564957495849594960496149624963496449654966496749684969497049714972497349744975497649774978497949804981498249834984498549864987498849894990499149924993499449954996499749984999500050015002500350045005500650075008500950105011501250135014501550165017501850195020502150225023502450255026502750285029503050315032503350345035503650375038503950405041504250435044504550465047504850495050505150525053505450555056505750585059506050615062506350645065506650675068506950705071507250735074507550765077507850795080508150825083508450855086508750885089509050915092509350945095509650975098509951005101510251035104510551065107510851095110511151125113511451155116511751185119512051215122512351245125512651275128512951305131513251335134513551365137513851395140514151425143514451455146514751485149515051515152515351545155515651575158515951605161516251635164516551665167516851695170517151725173517451755176517751785179518051815182518351845185518651875188518951905191519251935194519551965197519851995200520152025203520452055206520752085209521052115212521352145215521652175218521952205221522252235224522552265227522852295230523152325233523452355236523752385239524052415242524352445245524652475248524952505251525252535254525552565257525852595260526152625263526452655266526752685269527052715272527352745275527652775278527952805281528252835284528552865287528852895290529152925293529452955296529752985299530053015302530353045305530653075308530953105311531253135314531553165317531853195320532153225323532453255326532753285329533053315332533353345335533653375338533953405341534253435344534553465347534853495350535153525353535453555356535753585359536053615362536353645365536653675368536953705371537253735374537553765377537853795380538153825383538453855386538753885389539053915392539353945395539653975398539954005401540254035404540554065407540854095410541154125413541454155416541754185419542054215422542354245425542654275428542954305431543254335434543554365437543854395440544154425443544454455446544754485449545054515452545354545455545654575458545954605461546254635464546554665467546854695470547154725473547454755476547754785479548054815482548354845485548654875488548954905491549254935494549554965497549854995500550155025503550455055506550755085509551055115512551355145515551655175518551955205521552255235524552555265527552855295530553155325533553455355536553755385539554055415542554355445545554655475548554955505551555255535554555555565557555855595560556155625563556455655566556755685569557055715572557355745575557655775578557955805581558255835584558555865587558855895590559155925593559455955596559755985599560056015602560356045605560656075608560956105611561256135614561556165617561856195620562156225623562456255626562756285629563056315632563356345635563656375638563956405641564256435644564556465647564856495650565156525653565456555656565756585659566056615662566356645665566656675668566956705671567256735674567556765677567856795680568156825683568456855686568756885689569056915692569356945695569656975698569957005701570257035704570557065707570857095710571157125713571457155716571757185719572057215722572357245725572657275728572957305731573257335734573557365737573857395740574157425743574457455746574757485749575057515752575357545755575657575758575957605761576257635764576557665767576857695770577157725773577457755776577757785779578057815782578357845785578657875788578957905791579257935794579557965797579857995800580158025803580458055806580758085809581058115812581358145815581658175818581958205821582258235824582558265827582858295830583158325833583458355836583758385839584058415842584358445845584658475848584958505851585258535854585558565857585858595860586158625863586458655866586758685869587058715872587358745875587658775878587958805881588258835884588558865887588858895890589158925893589458955896589758985899590059015902590359045905590659075908590959105911591259135914591559165917591859195920592159225923592459255926592759285929593059315932593359345935593659375938593959405941594259435944594559465947594859495950595159525953595459555956595759585959596059615962596359645965596659675968596959705971597259735974597559765977597859795980598159825983598459855986598759885989599059915992599359945995599659975998599960006001600260036004600560066007600860096010601160126013601460156016601760186019602060216022602360246025602660276028602960306031603260336034603560366037603860396040604160426043604460456046604760486049605060516052605360546055605660576058605960606061606260636064606560666067606860696070607160726073607460756076607760786079608060816082608360846085608660876088608960906091609260936094609560966097609860996100610161026103610461056106610761086109611061116112611361146115611661176118611961206121612261236124612561266127612861296130613161326133613461356136613761386139614061416142614361446145614661476148614961506151615261536154615561566157615861596160616161626163616461656166616761686169617061716172617361746175617661776178617961806181618261836184618561866187618861896190619161926193619461956196619761986199620062016202620362046205620662076208620962106211621262136214621562166217621862196220622162226223622462256226622762286229623062316232623362346235623662376238623962406241624262436244624562466247624862496250625162526253625462556256625762586259626062616262626362646265626662676268626962706271627262736274627562766277627862796280628162826283628462856286628762886289629062916292629362946295629662976298629963006301630263036304630563066307630863096310631163126313631463156316631763186319632063216322632363246325632663276328632963306331633263336334633563366337633863396340634163426343634463456346634763486349635063516352635363546355635663576358635963606361636263636364636563666367636863696370637163726373637463756376637763786379638063816382638363846385638663876388638963906391639263936394639563966397639863996400640164026403640464056406640764086409641064116412641364146415641664176418641964206421642264236424642564266427642864296430643164326433643464356436643764386439644064416442644364446445644664476448644964506451645264536454645564566457645864596460646164626463646464656466646764686469647064716472647364746475647664776478647964806481648264836484648564866487648864896490649164926493649464956496649764986499650065016502650365046505650665076508650965106511651265136514651565166517651865196520652165226523652465256526652765286529653065316532653365346535653665376538653965406541654265436544654565466547654865496550655165526553655465556556655765586559656065616562656365646565656665676568656965706571657265736574657565766577657865796580658165826583658465856586658765886589659065916592659365946595659665976598659966006601660266036604660566066607660866096610661166126613661466156616661766186619662066216622662366246625662666276628662966306631663266336634663566366637663866396640664166426643664466456646664766486649665066516652665366546655665666576658665966606661666266636664666566666667666866696670667166726673667466756676667766786679668066816682668366846685668666876688668966906691669266936694669566966697669866996700670167026703670467056706670767086709671067116712671367146715671667176718671967206721672267236724672567266727672867296730673167326733673467356736673767386739674067416742674367446745674667476748674967506751675267536754675567566757675867596760676167626763676467656766676767686769677067716772677367746775677667776778677967806781678267836784678567866787678867896790679167926793679467956796679767986799680068016802680368046805680668076808680968106811681268136814681568166817681868196820682168226823682468256826682768286829683068316832683368346835683668376838683968406841684268436844684568466847684868496850685168526853685468556856685768586859686068616862686368646865686668676868686968706871687268736874687568766877687868796880688168826883688468856886688768886889689068916892689368946895689668976898689969006901690269036904690569066907690869096910691169126913691469156916691769186919692069216922692369246925692669276928692969306931693269336934693569366937693869396940694169426943694469456946694769486949695069516952695369546955695669576958695969606961696269636964696569666967696869696970697169726973697469756976697769786979698069816982698369846985698669876988698969906991699269936994699569966997699869997000700170027003700470057006700770087009701070117012701370147015701670177018701970207021702270237024702570267027702870297030703170327033703470357036703770387039704070417042704370447045704670477048704970507051705270537054705570567057705870597060706170627063706470657066706770687069707070717072707370747075707670777078707970807081708270837084708570867087708870897090709170927093709470957096709770987099710071017102710371047105710671077108710971107111711271137114711571167117711871197120712171227123712471257126712771287129713071317132713371347135713671377138713971407141714271437144714571467147714871497150715171527153715471557156715771587159716071617162716371647165716671677168716971707171717271737174717571767177717871797180718171827183718471857186718771887189719071917192719371947195719671977198719972007201720272037204720572067207720872097210721172127213721472157216721772187219722072217222722372247225722672277228722972307231723272337234723572367237723872397240724172427243724472457246724772487249725072517252725372547255725672577258725972607261726272637264726572667267726872697270727172727273727472757276727772787279728072817282728372847285728672877288728972907291729272937294729572967297729872997300730173027303730473057306730773087309731073117312731373147315731673177318731973207321732273237324732573267327732873297330733173327333733473357336733773387339734073417342734373447345734673477348734973507351735273537354735573567357735873597360736173627363736473657366736773687369737073717372737373747375737673777378737973807381738273837384738573867387738873897390739173927393739473957396739773987399740074017402740374047405740674077408740974107411741274137414741574167417741874197420742174227423742474257426742774287429743074317432743374347435743674377438743974407441744274437444744574467447744874497450745174527453745474557456745774587459746074617462746374647465746674677468746974707471747274737474747574767477747874797480748174827483748474857486748774887489749074917492749374947495749674977498749975007501750275037504750575067507750875097510751175127513751475157516751775187519752075217522752375247525752675277528752975307531753275337534753575367537753875397540754175427543754475457546754775487549755075517552755375547555755675577558755975607561756275637564756575667567756875697570757175727573757475757576757775787579758075817582758375847585758675877588758975907591759275937594759575967597759875997600760176027603760476057606760776087609761076117612761376147615761676177618761976207621762276237624762576267627762876297630763176327633763476357636763776387639764076417642764376447645764676477648764976507651765276537654765576567657765876597660766176627663766476657666766776687669767076717672767376747675767676777678767976807681768276837684768576867687768876897690769176927693769476957696769776987699770077017702770377047705770677077708770977107711771277137714771577167717771877197720772177227723772477257726772777287729773077317732773377347735773677377738773977407741774277437744774577467747774877497750775177527753775477557756775777587759776077617762776377647765776677677768776977707771777277737774777577767777777877797780778177827783778477857786778777887789779077917792779377947795779677977798779978007801780278037804780578067807780878097810781178127813781478157816781778187819782078217822782378247825782678277828782978307831783278337834783578367837783878397840784178427843784478457846784778487849785078517852785378547855785678577858785978607861786278637864786578667867786878697870787178727873787478757876787778787879788078817882788378847885788678877888788978907891789278937894789578967897789878997900790179027903790479057906790779087909791079117912791379147915791679177918791979207921792279237924792579267927792879297930793179327933793479357936793779387939794079417942794379447945794679477948794979507951795279537954795579567957795879597960796179627963796479657966796779687969797079717972797379747975797679777978797979807981798279837984798579867987798879897990799179927993799479957996799779987999800080018002800380048005800680078008800980108011801280138014801580168017801880198020802180228023802480258026802780288029803080318032803380348035803680378038803980408041804280438044804580468047804880498050805180528053805480558056805780588059806080618062806380648065806680678068806980708071807280738074807580768077807880798080808180828083808480858086808780888089809080918092809380948095809680978098809981008101810281038104810581068107810881098110811181128113811481158116811781188119812081218122812381248125812681278128812981308131813281338134813581368137813881398140814181428143814481458146814781488149815081518152815381548155815681578158815981608161816281638164816581668167816881698170817181728173817481758176817781788179818081818182818381848185818681878188818981908191819281938194819581968197819881998200820182028203820482058206
/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2018 Facebook */ #include <linux/bpf.h> #include <linux/btf.h> #include <linux/err.h> #include <linux/kernel.h> #include <linux/filter.h> #include <linux/unistd.h> #include <bpf/bpf.h> #include <libelf.h> #include <gelf.h> #include <string.h> #include <stdlib.h> #include <stdio.h> #include <stdarg.h> #include <unistd.h> #include <fcntl.h> #include <errno.h> #include <assert.h> #include <bpf/libbpf.h> #include <bpf/btf.h> #include "bpf_util.h" #include "../test_btf.h" #include "test_progs.h" #define MAX_INSNS 512 #define MAX_SUBPROGS 16 static int duration = 0; static bool always_log; #undef CHECK #define CHECK(condition, format...) _CHECK(condition, "check", duration, format) #define NAME_TBD 0xdeadb33f #define NAME_NTH(N) (0xfffe0000 | N) #define IS_NAME_NTH(X) ((X & 0xffff0000) == 0xfffe0000) #define GET_NAME_NTH_IDX(X) (X & 0x0000ffff) #define MAX_NR_RAW_U32 1024 #define BTF_LOG_BUF_SIZE 65535 static char btf_log_buf[BTF_LOG_BUF_SIZE]; static struct btf_header hdr_tmpl = { .magic = BTF_MAGIC, .version = BTF_VERSION, .hdr_len = sizeof(struct btf_header), }; /* several different mapv kinds(types) supported by pprint */ enum pprint_mapv_kind_t { PPRINT_MAPV_KIND_BASIC = 0, PPRINT_MAPV_KIND_INT128, }; struct btf_raw_test { const char *descr; const char *str_sec; const char *map_name; const char *err_str; __u32 raw_types[MAX_NR_RAW_U32]; __u32 str_sec_size; enum bpf_map_type map_type; __u32 key_size; __u32 value_size; __u32 key_type_id; __u32 value_type_id; __u32 max_entries; bool btf_load_err; bool map_create_err; bool ordered_map; bool lossless_map; bool percpu_map; int hdr_len_delta; int type_off_delta; int str_off_delta; int str_len_delta; enum pprint_mapv_kind_t mapv_kind; }; #define BTF_STR_SEC(str) \ .str_sec = str, .str_sec_size = sizeof(str) static struct btf_raw_test raw_tests[] = { /* enum E { * E0, * E1, * }; * * struct A { * unsigned long long m; * int n; * char o; * [3 bytes hole] * int p[8]; * int q[4][8]; * enum E r; * }; */ { .descr = "struct test #1", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* unsigned long long */ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ /* char */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ /* int[8] */ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ /* struct A { */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 6), 180), BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ BTF_MEMBER_ENC(NAME_TBD, 6, 384),/* int q[4][8] */ BTF_MEMBER_ENC(NAME_TBD, 7, 1408), /* enum E r */ /* } */ /* int[4][8] */ BTF_TYPE_ARRAY_ENC(4, 1, 4), /* [6] */ /* enum E */ /* [7] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)), BTF_ENUM_ENC(NAME_TBD, 0), BTF_ENUM_ENC(NAME_TBD, 1), BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1", .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_test1_map", .key_size = sizeof(int), .value_size = 180, .key_type_id = 1, .value_type_id = 5, .max_entries = 4, }, /* typedef struct b Struct_B; * * struct A { * int m; * struct b n[4]; * const Struct_B o[4]; * }; * * struct B { * int m; * int n; * }; */ { .descr = "struct test #2", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* struct b [4] */ /* [2] */ BTF_TYPE_ARRAY_ENC(4, 1, 4), /* struct A { */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 3), 68), BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct B n[4] */ BTF_MEMBER_ENC(NAME_TBD, 8, 288),/* const Struct_B o[4];*/ /* } */ /* struct B { */ /* [4] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */ /* } */ /* const int */ /* [5] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), /* typedef struct b Struct_B */ /* [6] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 4), /* const Struct_B */ /* [7] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 6), /* const Struct_B [4] */ /* [8] */ BTF_TYPE_ARRAY_ENC(7, 1, 4), BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0o\0B\0m\0n\0Struct_B", .str_sec_size = sizeof("\0A\0m\0n\0o\0B\0m\0n\0Struct_B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_test2_map", .key_size = sizeof(int), .value_size = 68, .key_type_id = 1, .value_type_id = 3, .max_entries = 4, }, { .descr = "struct test #3 Invalid member offset", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* int64 */ /* [2] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* struct A { */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 16), BTF_MEMBER_ENC(NAME_TBD, 1, 64), /* int m; */ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* int64 n; */ /* } */ BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0", .str_sec_size = sizeof("\0A\0m\0n\0"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_test3_map", .key_size = sizeof(int), .value_size = 16, .key_type_id = 1, .value_type_id = 3, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid member bits_offset", }, /* * struct A { * unsigned long long m; * int n; * char o; * [3 bytes hole] * int p[8]; * }; */ { .descr = "global data test #1", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* unsigned long long */ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ /* char */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ /* int[8] */ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ /* struct A { */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ /* } */ BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0o\0p", .str_sec_size = sizeof("\0A\0m\0n\0o\0p"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_test1_map", .key_size = sizeof(int), .value_size = 48, .key_type_id = 1, .value_type_id = 5, .max_entries = 4, }, /* * struct A { * unsigned long long m; * int n; * char o; * [3 bytes hole] * int p[8]; * }; * static struct A t; <- in .bss */ { .descr = "global data test #2", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* unsigned long long */ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ /* char */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ /* int[8] */ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ /* struct A { */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ /* } */ /* static struct A t */ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ /* .bss section */ /* [7] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48), BTF_VAR_SECINFO_ENC(6, 0, 48), BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 48, .key_type_id = 0, .value_type_id = 7, .max_entries = 1, }, { .descr = "global data test #3", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* static int t */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ /* .bss section */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(2, 0, 4), BTF_END_RAW, }, .str_sec = "\0t\0.bss", .str_sec_size = sizeof("\0t\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 3, .max_entries = 1, }, { .descr = "global data test #4, unsupported linkage", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* static int t */ BTF_VAR_ENC(NAME_TBD, 1, 2), /* [2] */ /* .bss section */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(2, 0, 4), BTF_END_RAW, }, .str_sec = "\0t\0.bss", .str_sec_size = sizeof("\0t\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 3, .max_entries = 1, .btf_load_err = true, .err_str = "Linkage not supported", }, { .descr = "global data test #5, invalid var type", .raw_types = { /* static void t */ BTF_VAR_ENC(NAME_TBD, 0, 0), /* [1] */ /* .bss section */ /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(1, 0, 4), BTF_END_RAW, }, .str_sec = "\0t\0.bss", .str_sec_size = sizeof("\0t\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 2, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid type_id", }, { .descr = "global data test #6, invalid var type (fwd type)", .raw_types = { /* union A */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */ /* static union A t */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ /* .bss section */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(2, 0, 4), BTF_END_RAW, }, .str_sec = "\0A\0t\0.bss", .str_sec_size = sizeof("\0A\0t\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 2, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid type", }, { .descr = "global data test #7, invalid var type (fwd type)", .raw_types = { /* union A */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */ /* static union A t */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ /* .bss section */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(1, 0, 4), BTF_END_RAW, }, .str_sec = "\0A\0t\0.bss", .str_sec_size = sizeof("\0A\0t\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 2, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid type", }, { .descr = "global data test #8, invalid var size", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* unsigned long long */ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ /* char */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ /* int[8] */ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ /* struct A { */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ /* } */ /* static struct A t */ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ /* .bss section */ /* [7] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48), BTF_VAR_SECINFO_ENC(6, 0, 47), BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 48, .key_type_id = 0, .value_type_id = 7, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid size", }, { .descr = "global data test #9, invalid var size", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* unsigned long long */ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ /* char */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ /* int[8] */ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ /* struct A { */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ /* } */ /* static struct A t */ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ /* .bss section */ /* [7] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46), BTF_VAR_SECINFO_ENC(6, 0, 48), BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 48, .key_type_id = 0, .value_type_id = 7, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid size", }, { .descr = "global data test #10, invalid var size", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* unsigned long long */ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ /* char */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ /* int[8] */ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ /* struct A { */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ /* } */ /* static struct A t */ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ /* .bss section */ /* [7] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46), BTF_VAR_SECINFO_ENC(6, 0, 46), BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 48, .key_type_id = 0, .value_type_id = 7, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid size", }, { .descr = "global data test #11, multiple section members", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* unsigned long long */ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ /* char */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ /* int[8] */ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ /* struct A { */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ /* } */ /* static struct A t */ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ /* static int u */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ /* .bss section */ /* [8] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), BTF_VAR_SECINFO_ENC(6, 10, 48), BTF_VAR_SECINFO_ENC(7, 58, 4), BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 62, .key_type_id = 0, .value_type_id = 8, .max_entries = 1, }, { .descr = "global data test #12, invalid offset", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* unsigned long long */ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ /* char */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ /* int[8] */ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ /* struct A { */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ /* } */ /* static struct A t */ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ /* static int u */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ /* .bss section */ /* [8] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), BTF_VAR_SECINFO_ENC(6, 10, 48), BTF_VAR_SECINFO_ENC(7, 60, 4), BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 62, .key_type_id = 0, .value_type_id = 8, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid offset+size", }, { .descr = "global data test #13, invalid offset", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* unsigned long long */ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ /* char */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ /* int[8] */ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ /* struct A { */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ /* } */ /* static struct A t */ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ /* static int u */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ /* .bss section */ /* [8] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), BTF_VAR_SECINFO_ENC(6, 10, 48), BTF_VAR_SECINFO_ENC(7, 12, 4), BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 62, .key_type_id = 0, .value_type_id = 8, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid offset", }, { .descr = "global data test #14, invalid offset", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* unsigned long long */ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ /* char */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ /* int[8] */ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ /* struct A { */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ /* } */ /* static struct A t */ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ /* static int u */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ /* .bss section */ /* [8] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), BTF_VAR_SECINFO_ENC(7, 58, 4), BTF_VAR_SECINFO_ENC(6, 10, 48), BTF_END_RAW, }, .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 62, .key_type_id = 0, .value_type_id = 8, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid offset", }, { .descr = "global data test #15, not var kind", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ /* .bss section */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(1, 0, 4), BTF_END_RAW, }, .str_sec = "\0A\0t\0.bss", .str_sec_size = sizeof("\0A\0t\0.bss"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 3, .max_entries = 1, .btf_load_err = true, .err_str = "Not a VAR kind member", }, { .descr = "global data test #16, invalid var referencing sec", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [2] */ BTF_VAR_ENC(NAME_TBD, 2, 0), /* [3] */ /* a section */ /* [4] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(3, 0, 4), /* a section */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(6, 0, 4), BTF_VAR_ENC(NAME_TBD, 1, 0), /* [6] */ BTF_END_RAW, }, .str_sec = "\0A\0t\0s\0a\0a", .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 4, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid type_id", }, { .descr = "global data test #17, invalid var referencing var", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ BTF_VAR_ENC(NAME_TBD, 2, 0), /* [3] */ /* a section */ /* [4] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(3, 0, 4), BTF_END_RAW, }, .str_sec = "\0A\0t\0s\0a\0a", .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 4, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid type_id", }, { .descr = "global data test #18, invalid var loop", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_TBD, 2, 0), /* [2] */ /* .bss section */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(2, 0, 4), BTF_END_RAW, }, .str_sec = "\0A\0t\0aaa", .str_sec_size = sizeof("\0A\0t\0aaa"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 4, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid type_id", }, { .descr = "global data test #19, invalid var referencing var", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_TBD, 3, 0), /* [2] */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ BTF_END_RAW, }, .str_sec = "\0A\0t\0s\0a\0a", .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 4, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid type_id", }, { .descr = "global data test #20, invalid ptr referencing var", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* PTR type_id=3 */ /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3), BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ BTF_END_RAW, }, .str_sec = "\0A\0t\0s\0a\0a", .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 4, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid type_id", }, { .descr = "global data test #21, var included in struct", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* struct A { */ /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2), BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* VAR type_id=3; */ /* } */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ BTF_END_RAW, }, .str_sec = "\0A\0t\0s\0a\0a", .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 4, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid member", }, { .descr = "global data test #22, array of var", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ARRAY_ENC(3, 1, 4), /* [2] */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ BTF_END_RAW, }, .str_sec = "\0A\0t\0s\0a\0a", .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = 4, .key_type_id = 0, .value_type_id = 4, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid elem", }, { .descr = "var after datasec, ptr followed by modifier", .raw_types = { /* .bss section */ /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), sizeof(void*)+4), BTF_VAR_SECINFO_ENC(4, 0, sizeof(void*)), BTF_VAR_SECINFO_ENC(6, sizeof(void*), 4), /* int */ /* [2] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* int* */ /* [3] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), BTF_VAR_ENC(NAME_TBD, 3, 0), /* [4] */ /* const int */ /* [5] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ BTF_END_RAW, }, .str_sec = "\0a\0b\0c\0", .str_sec_size = sizeof("\0a\0b\0c\0"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = ".bss", .key_size = sizeof(int), .value_size = sizeof(void*)+4, .key_type_id = 0, .value_type_id = 1, .max_entries = 1, }, /* Test member exceeds the size of struct. * * struct A { * int m; * int n; * }; */ { .descr = "size check test #1", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* struct A { */ /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1), BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */ /* } */ BTF_END_RAW, }, .str_sec = "\0A\0m\0n", .str_sec_size = sizeof("\0A\0m\0n"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "size_check1_map", .key_size = sizeof(int), .value_size = 1, .key_type_id = 1, .value_type_id = 2, .max_entries = 4, .btf_load_err = true, .err_str = "Member exceeds struct_size", }, /* Test member exceeds the size of struct * * struct A { * int m; * int n[2]; * }; */ { .descr = "size check test #2", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), /* int[2] */ /* [2] */ BTF_TYPE_ARRAY_ENC(1, 1, 2), /* struct A { */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 3 - 1), BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* int n[2]; */ /* } */ BTF_END_RAW, }, .str_sec = "\0A\0m\0n", .str_sec_size = sizeof("\0A\0m\0n"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "size_check2_map", .key_size = sizeof(int), .value_size = 1, .key_type_id = 1, .value_type_id = 3, .max_entries = 4, .btf_load_err = true, .err_str = "Member exceeds struct_size", }, /* Test member exceeds the size of struct * * struct A { * int m; * void *n; * }; */ { .descr = "size check test #3", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), /* void* */ /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), /* struct A { */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) + sizeof(void *) - 1), BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* void *n; */ /* } */ BTF_END_RAW, }, .str_sec = "\0A\0m\0n", .str_sec_size = sizeof("\0A\0m\0n"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "size_check3_map", .key_size = sizeof(int), .value_size = 1, .key_type_id = 1, .value_type_id = 3, .max_entries = 4, .btf_load_err = true, .err_str = "Member exceeds struct_size", }, /* Test member exceeds the size of struct * * enum E { * E0, * E1, * }; * * struct A { * int m; * enum E n; * }; */ { .descr = "size check test #4", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), /* enum E { */ /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)), BTF_ENUM_ENC(NAME_TBD, 0), BTF_ENUM_ENC(NAME_TBD, 1), /* } */ /* struct A { */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1), BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* enum E n; */ /* } */ BTF_END_RAW, }, .str_sec = "\0E\0E0\0E1\0A\0m\0n", .str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "size_check4_map", .key_size = sizeof(int), .value_size = 1, .key_type_id = 1, .value_type_id = 3, .max_entries = 4, .btf_load_err = true, .err_str = "Member exceeds struct_size", }, /* Test member unexceeds the size of struct * * enum E { * E0, * E1, * }; * * struct A { * char m; * enum E __attribute__((packed)) n; * }; */ { .descr = "size check test #5", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), /* char */ /* [2] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* enum E { */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 1), BTF_ENUM_ENC(NAME_TBD, 0), BTF_ENUM_ENC(NAME_TBD, 1), /* } */ /* struct A { */ /* [4] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 2), BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* char m; */ BTF_MEMBER_ENC(NAME_TBD, 3, 8),/* enum E __attribute__((packed)) n; */ /* } */ BTF_END_RAW, }, .str_sec = "\0E\0E0\0E1\0A\0m\0n", .str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "size_check5_map", .key_size = sizeof(int), .value_size = 2, .key_type_id = 1, .value_type_id = 4, .max_entries = 4, }, /* typedef const void * const_void_ptr; * struct A { * const_void_ptr m; * }; */ { .descr = "void test #1", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* const void */ /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), /* const void* */ /* [3] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), /* typedef const void * const_void_ptr */ BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [4] */ /* struct A { */ /* [5] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), /* const_void_ptr m; */ BTF_MEMBER_ENC(NAME_TBD, 4, 0), /* } */ BTF_END_RAW, }, .str_sec = "\0const_void_ptr\0A\0m", .str_sec_size = sizeof("\0const_void_ptr\0A\0m"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "void_test1_map", .key_size = sizeof(int), .value_size = sizeof(void *), .key_type_id = 1, .value_type_id = 4, .max_entries = 4, }, /* struct A { * const void m; * }; */ { .descr = "void test #2", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* const void */ /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), /* struct A { */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 8), /* const void m; */ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* } */ BTF_END_RAW, }, .str_sec = "\0A\0m", .str_sec_size = sizeof("\0A\0m"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "void_test2_map", .key_size = sizeof(int), .value_size = sizeof(void *), .key_type_id = 1, .value_type_id = 3, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid member", }, /* typedef const void * const_void_ptr; * const_void_ptr[4] */ { .descr = "void test #3", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* const void */ /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), /* const void* */ /* [3] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), /* typedef const void * const_void_ptr */ BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [4] */ /* const_void_ptr[4] */ BTF_TYPE_ARRAY_ENC(4, 1, 4), /* [5] */ BTF_END_RAW, }, .str_sec = "\0const_void_ptr", .str_sec_size = sizeof("\0const_void_ptr"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "void_test3_map", .key_size = sizeof(int), .value_size = sizeof(void *) * 4, .key_type_id = 1, .value_type_id = 5, .max_entries = 4, }, /* const void[4] */ { .descr = "void test #4", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* const void */ /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), /* const void[4] */ /* [3] */ BTF_TYPE_ARRAY_ENC(2, 1, 4), BTF_END_RAW, }, .str_sec = "\0A\0m", .str_sec_size = sizeof("\0A\0m"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "void_test4_map", .key_size = sizeof(int), .value_size = sizeof(void *) * 4, .key_type_id = 1, .value_type_id = 3, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid elem", }, /* Array_A <------------------+ * elem_type == Array_B | * | | * | | * Array_B <-------- + | * elem_type == Array A --+ */ { .descr = "loop test #1", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* Array_A */ /* [2] */ BTF_TYPE_ARRAY_ENC(3, 1, 8), /* Array_B */ /* [3] */ BTF_TYPE_ARRAY_ENC(2, 1, 8), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "loop_test1_map", .key_size = sizeof(int), .value_size = sizeof(sizeof(int) * 8), .key_type_id = 1, .value_type_id = 2, .max_entries = 4, .btf_load_err = true, .err_str = "Loop detected", }, /* typedef is _before_ the BTF type of Array_A and Array_B * * typedef Array_B int_array; * * Array_A <------------------+ * elem_type == int_array | * | | * | | * Array_B <-------- + | * elem_type == Array_A --+ */ { .descr = "loop test #2", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* typedef Array_B int_array */ BTF_TYPEDEF_ENC(1, 4), /* [2] */ /* Array_A */ BTF_TYPE_ARRAY_ENC(2, 1, 8), /* [3] */ /* Array_B */ BTF_TYPE_ARRAY_ENC(3, 1, 8), /* [4] */ BTF_END_RAW, }, .str_sec = "\0int_array\0", .str_sec_size = sizeof("\0int_array"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "loop_test2_map", .key_size = sizeof(int), .value_size = sizeof(sizeof(int) * 8), .key_type_id = 1, .value_type_id = 2, .max_entries = 4, .btf_load_err = true, .err_str = "Loop detected", }, /* Array_A <------------------+ * elem_type == Array_B | * | | * | | * Array_B <-------- + | * elem_type == Array_A --+ */ { .descr = "loop test #3", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* Array_A */ /* [2] */ BTF_TYPE_ARRAY_ENC(3, 1, 8), /* Array_B */ /* [3] */ BTF_TYPE_ARRAY_ENC(2, 1, 8), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "loop_test3_map", .key_size = sizeof(int), .value_size = sizeof(sizeof(int) * 8), .key_type_id = 1, .value_type_id = 2, .max_entries = 4, .btf_load_err = true, .err_str = "Loop detected", }, /* typedef is _between_ the BTF type of Array_A and Array_B * * typedef Array_B int_array; * * Array_A <------------------+ * elem_type == int_array | * | | * | | * Array_B <-------- + | * elem_type == Array_A --+ */ { .descr = "loop test #4", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* Array_A */ /* [2] */ BTF_TYPE_ARRAY_ENC(3, 1, 8), /* typedef Array_B int_array */ /* [3] */ BTF_TYPEDEF_ENC(NAME_TBD, 4), /* Array_B */ /* [4] */ BTF_TYPE_ARRAY_ENC(2, 1, 8), BTF_END_RAW, }, .str_sec = "\0int_array\0", .str_sec_size = sizeof("\0int_array"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "loop_test4_map", .key_size = sizeof(int), .value_size = sizeof(sizeof(int) * 8), .key_type_id = 1, .value_type_id = 2, .max_entries = 4, .btf_load_err = true, .err_str = "Loop detected", }, /* typedef struct B Struct_B * * struct A { * int x; * Struct_B y; * }; * * struct B { * int x; * struct A y; * }; */ { .descr = "loop test #5", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* struct A */ /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* Struct_B y; */ /* typedef struct B Struct_B */ BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ /* struct B */ /* [4] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A y; */ BTF_END_RAW, }, .str_sec = "\0A\0x\0y\0Struct_B\0B\0x\0y", .str_sec_size = sizeof("\0A\0x\0y\0Struct_B\0B\0x\0y"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "loop_test5_map", .key_size = sizeof(int), .value_size = 8, .key_type_id = 1, .value_type_id = 2, .max_entries = 4, .btf_load_err = true, .err_str = "Loop detected", }, /* struct A { * int x; * struct A array_a[4]; * }; */ { .descr = "loop test #6", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ARRAY_ENC(3, 1, 4), /* [2] */ /* struct A */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A array_a[4]; */ BTF_END_RAW, }, .str_sec = "\0A\0x\0y", .str_sec_size = sizeof("\0A\0x\0y"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "loop_test6_map", .key_size = sizeof(int), .value_size = 8, .key_type_id = 1, .value_type_id = 2, .max_entries = 4, .btf_load_err = true, .err_str = "Loop detected", }, { .descr = "loop test #7", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* struct A { */ /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), /* const void *m; */ BTF_MEMBER_ENC(NAME_TBD, 3, 0), /* CONST type_id=3 */ /* [3] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), /* PTR type_id=2 */ /* [4] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3), BTF_END_RAW, }, .str_sec = "\0A\0m", .str_sec_size = sizeof("\0A\0m"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "loop_test7_map", .key_size = sizeof(int), .value_size = sizeof(void *), .key_type_id = 1, .value_type_id = 2, .max_entries = 4, .btf_load_err = true, .err_str = "Loop detected", }, { .descr = "loop test #8", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* struct A { */ /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), /* const void *m; */ BTF_MEMBER_ENC(NAME_TBD, 4, 0), /* struct B { */ /* [3] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), /* const void *n; */ BTF_MEMBER_ENC(NAME_TBD, 6, 0), /* CONST type_id=5 */ /* [4] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 5), /* PTR type_id=6 */ /* [5] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 6), /* CONST type_id=7 */ /* [6] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 7), /* PTR type_id=4 */ /* [7] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 4), BTF_END_RAW, }, .str_sec = "\0A\0m\0B\0n", .str_sec_size = sizeof("\0A\0m\0B\0n"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "loop_test8_map", .key_size = sizeof(int), .value_size = sizeof(void *), .key_type_id = 1, .value_type_id = 2, .max_entries = 4, .btf_load_err = true, .err_str = "Loop detected", }, { .descr = "string section does not end with null", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "\0int", .str_sec_size = sizeof("\0int") - 1, .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "hdr_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid string section", }, { .descr = "empty string section", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "", .str_sec_size = 0, .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "hdr_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid string section", }, { .descr = "empty type section", .raw_types = { BTF_END_RAW, }, .str_sec = "\0int", .str_sec_size = sizeof("\0int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "hdr_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "No type found", }, { .descr = "btf_header test. Longer hdr_len", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "\0int", .str_sec_size = sizeof("\0int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "hdr_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .hdr_len_delta = 4, .err_str = "Unsupported btf_header", }, { .descr = "btf_header test. Gap between hdr and type", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "\0int", .str_sec_size = sizeof("\0int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "hdr_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .type_off_delta = 4, .err_str = "Unsupported section found", }, { .descr = "btf_header test. Gap between type and str", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "\0int", .str_sec_size = sizeof("\0int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "hdr_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .str_off_delta = 4, .err_str = "Unsupported section found", }, { .descr = "btf_header test. Overlap between type and str", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "\0int", .str_sec_size = sizeof("\0int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "hdr_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .str_off_delta = -4, .err_str = "Section overlap found", }, { .descr = "btf_header test. Larger BTF size", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "\0int", .str_sec_size = sizeof("\0int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "hdr_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .str_len_delta = -4, .err_str = "Unsupported section found", }, { .descr = "btf_header test. Smaller BTF size", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "\0int", .str_sec_size = sizeof("\0int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "hdr_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .str_len_delta = 4, .err_str = "Total section length too long", }, { .descr = "array test. index_type/elem_type \"int\"", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* int[16] */ /* [2] */ BTF_TYPE_ARRAY_ENC(1, 1, 16), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "array test. index_type/elem_type \"const int\"", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* int[16] */ /* [2] */ BTF_TYPE_ARRAY_ENC(3, 3, 16), /* CONST type_id=1 */ /* [3] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "array test. index_type \"const int:31\"", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* int:31 */ /* [2] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4), /* int[16] */ /* [3] */ BTF_TYPE_ARRAY_ENC(1, 4, 16), /* CONST type_id=2 */ /* [4] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid index", }, { .descr = "array test. elem_type \"const int:31\"", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* int:31 */ /* [2] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4), /* int[16] */ /* [3] */ BTF_TYPE_ARRAY_ENC(4, 1, 16), /* CONST type_id=2 */ /* [4] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid array of int", }, { .descr = "array test. index_type \"void\"", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* int[16] */ /* [2] */ BTF_TYPE_ARRAY_ENC(1, 0, 16), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid index", }, { .descr = "array test. index_type \"const void\"", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* int[16] */ /* [2] */ BTF_TYPE_ARRAY_ENC(1, 3, 16), /* CONST type_id=0 (void) */ /* [3] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid index", }, { .descr = "array test. elem_type \"const void\"", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* int[16] */ /* [2] */ BTF_TYPE_ARRAY_ENC(3, 1, 16), /* CONST type_id=0 (void) */ /* [3] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid elem", }, { .descr = "array test. elem_type \"const void *\"", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* const void *[16] */ /* [2] */ BTF_TYPE_ARRAY_ENC(3, 1, 16), /* CONST type_id=4 */ /* [3] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), /* void* */ /* [4] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "array test. index_type \"const void *\"", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* const void *[16] */ /* [2] */ BTF_TYPE_ARRAY_ENC(3, 3, 16), /* CONST type_id=4 */ /* [3] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), /* void* */ /* [4] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid index", }, { .descr = "array test. t->size != 0\"", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* int[16] */ /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 1), BTF_ARRAY_ENC(1, 1, 16), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "size != 0", }, { .descr = "int test. invalid int_data", .raw_types = { BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), 4), 0x10000000, BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid int_data", }, { .descr = "invalid BTF_INFO", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), BTF_TYPE_ENC(0, 0x20000000, 4), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid btf_info", }, { .descr = "fwd test. t->type != 0\"", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* fwd type */ /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 1), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "fwd_test_map", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "type != 0", }, { .descr = "typedef (invalid name, name_off = 0)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPEDEF_ENC(0, 1), /* [2] */ BTF_END_RAW, }, .str_sec = "\0__int", .str_sec_size = sizeof("\0__int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "typedef_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "typedef (invalid name, invalid identifier)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */ BTF_END_RAW, }, .str_sec = "\0__!int", .str_sec_size = sizeof("\0__!int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "typedef_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "ptr type (invalid name, name_off <> 0)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1), /* [2] */ BTF_END_RAW, }, .str_sec = "\0__int", .str_sec_size = sizeof("\0__int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "ptr_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "volatile type (invalid name, name_off <> 0)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 1), /* [2] */ BTF_END_RAW, }, .str_sec = "\0__int", .str_sec_size = sizeof("\0__int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "volatile_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "const type (invalid name, name_off <> 0)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), /* [2] */ BTF_END_RAW, }, .str_sec = "\0__int", .str_sec_size = sizeof("\0__int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "const_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "restrict type (invalid name, name_off <> 0)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1), /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), 2), /* [3] */ BTF_END_RAW, }, .str_sec = "\0__int", .str_sec_size = sizeof("\0__int"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "restrict_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "fwd type (invalid name, name_off = 0)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0), /* [2] */ BTF_END_RAW, }, .str_sec = "\0__skb", .str_sec_size = sizeof("\0__skb"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "fwd_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "fwd type (invalid name, invalid identifier)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0), /* [2] */ BTF_END_RAW, }, .str_sec = "\0__!skb", .str_sec_size = sizeof("\0__!skb"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "fwd_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "array type (invalid name, name_off <> 0)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), /* [2] */ BTF_ARRAY_ENC(1, 1, 4), BTF_END_RAW, }, .str_sec = "\0__skb", .str_sec_size = sizeof("\0__skb"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "struct type (name_off = 0)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_END_RAW, }, .str_sec = "\0A", .str_sec_size = sizeof("\0A"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "struct type (invalid name, invalid identifier)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_END_RAW, }, .str_sec = "\0A!\0B", .str_sec_size = sizeof("\0A!\0B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "struct member (name_off = 0)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_END_RAW, }, .str_sec = "\0A", .str_sec_size = sizeof("\0A"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "struct member (invalid name, invalid identifier)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_END_RAW, }, .str_sec = "\0A\0B*", .str_sec_size = sizeof("\0A\0B*"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "enum type (name_off = 0)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), sizeof(int)), /* [2] */ BTF_ENUM_ENC(NAME_TBD, 0), BTF_END_RAW, }, .str_sec = "\0A\0B", .str_sec_size = sizeof("\0A\0B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "enum_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "enum type (invalid name, invalid identifier)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), sizeof(int)), /* [2] */ BTF_ENUM_ENC(NAME_TBD, 0), BTF_END_RAW, }, .str_sec = "\0A!\0B", .str_sec_size = sizeof("\0A!\0B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "enum_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "enum member (invalid name, name_off = 0)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), sizeof(int)), /* [2] */ BTF_ENUM_ENC(0, 0), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "enum_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "enum member (invalid name, invalid identifier)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), sizeof(int)), /* [2] */ BTF_ENUM_ENC(NAME_TBD, 0), BTF_END_RAW, }, .str_sec = "\0A!", .str_sec_size = sizeof("\0A!"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "enum_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "arraymap invalid btf key (a bit field)", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* 32 bit int with 32 bit offset */ /* [2] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 32, 32, 8), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_map_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 2, .value_type_id = 1, .max_entries = 4, .map_create_err = true, }, { .descr = "arraymap invalid btf key (!= 32 bits)", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* 16 bit int with 0 bit offset */ /* [2] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 16, 2), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_map_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 2, .value_type_id = 1, .max_entries = 4, .map_create_err = true, }, { .descr = "arraymap invalid btf value (too small)", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_map_check_btf", .key_size = sizeof(int), /* btf_value_size < map->value_size */ .value_size = sizeof(__u64), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .map_create_err = true, }, { .descr = "arraymap invalid btf value (too big)", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_map_check_btf", .key_size = sizeof(int), /* btf_value_size > map->value_size */ .value_size = sizeof(__u16), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .map_create_err = true, }, { .descr = "func proto (int (*)(int, unsigned int))", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* int (*)(int, unsigned int) */ BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(0, 1), BTF_FUNC_PROTO_ARG_ENC(0, 2), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "func proto (vararg)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(int, unsigned int, ...) */ BTF_FUNC_PROTO_ENC(0, 3), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(0, 1), BTF_FUNC_PROTO_ARG_ENC(0, 2), BTF_FUNC_PROTO_ARG_ENC(0, 0), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "func proto (vararg with name)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(int a, unsigned int b, ... c) */ BTF_FUNC_PROTO_ENC(0, 3), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 0), BTF_END_RAW, }, .str_sec = "\0a\0b\0c", .str_sec_size = sizeof("\0a\0b\0c"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid arg#3", }, { .descr = "func proto (arg after vararg)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(int a, ..., unsigned int b) */ BTF_FUNC_PROTO_ENC(0, 3), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(0, 0), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_END_RAW, }, .str_sec = "\0a\0b", .str_sec_size = sizeof("\0a\0b"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid arg#2", }, { .descr = "func proto (CONST=>TYPEDEF=>PTR=>FUNC_PROTO)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* typedef void (*func_ptr)(int, unsigned int) */ BTF_TYPEDEF_ENC(NAME_TBD, 5), /* [3] */ /* const func_ptr */ BTF_CONST_ENC(3), /* [4] */ BTF_PTR_ENC(6), /* [5] */ BTF_FUNC_PROTO_ENC(0, 2), /* [6] */ BTF_FUNC_PROTO_ARG_ENC(0, 1), BTF_FUNC_PROTO_ARG_ENC(0, 2), BTF_END_RAW, }, .str_sec = "\0func_ptr", .str_sec_size = sizeof("\0func_ptr"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "func proto (TYPEDEF=>FUNC_PROTO)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ BTF_FUNC_PROTO_ENC(0, 2), /* [4] */ BTF_FUNC_PROTO_ARG_ENC(0, 1), BTF_FUNC_PROTO_ARG_ENC(0, 2), BTF_END_RAW, }, .str_sec = "\0func_typedef", .str_sec_size = sizeof("\0func_typedef"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "func proto (btf_resolve(arg))", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* void (*)(const void *) */ BTF_FUNC_PROTO_ENC(0, 1), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(0, 3), BTF_CONST_ENC(4), /* [3] */ BTF_PTR_ENC(0), /* [4] */ BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "func proto (Not all arg has name)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(int, unsigned int b) */ BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(0, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_END_RAW, }, .str_sec = "\0b", .str_sec_size = sizeof("\0b"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "func proto (Bad arg name_off)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(int a, unsigned int <bad_name_off>) */ BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(0x0fffffff, 2), BTF_END_RAW, }, .str_sec = "\0a", .str_sec_size = sizeof("\0a"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid arg#2", }, { .descr = "func proto (Bad arg name)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(int a, unsigned int !!!) */ BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_END_RAW, }, .str_sec = "\0a\0!!!", .str_sec_size = sizeof("\0a\0!!!"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid arg#2", }, { .descr = "func proto (Invalid return type)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* <bad_ret_type> (*)(int, unsigned int) */ BTF_FUNC_PROTO_ENC(100, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(0, 1), BTF_FUNC_PROTO_ARG_ENC(0, 2), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid return type", }, { .descr = "func proto (with func name)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void func_proto(int, unsigned int) */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 2), 0), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(0, 1), BTF_FUNC_PROTO_ARG_ENC(0, 2), BTF_END_RAW, }, .str_sec = "\0func_proto", .str_sec_size = sizeof("\0func_proto"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "func proto (const void arg)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(const void) */ BTF_FUNC_PROTO_ENC(0, 1), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(0, 4), BTF_CONST_ENC(0), /* [4] */ BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid arg#1", }, { .descr = "func (void func(int a, unsigned int b))", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(int a, unsigned int b) */ BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), /* void func(int a, unsigned int b) */ BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */ BTF_END_RAW, }, .str_sec = "\0a\0b\0func", .str_sec_size = sizeof("\0a\0b\0func"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "func (No func name)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(int a, unsigned int b) */ BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), /* void <no_name>(int a, unsigned int b) */ BTF_FUNC_ENC(0, 3), /* [4] */ BTF_END_RAW, }, .str_sec = "\0a\0b", .str_sec_size = sizeof("\0a\0b"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "func (Invalid func name)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(int a, unsigned int b) */ BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), /* void !!!(int a, unsigned int b) */ BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */ BTF_END_RAW, }, .str_sec = "\0a\0b\0!!!", .str_sec_size = sizeof("\0a\0b\0!!!"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid name", }, { .descr = "func (Some arg has no name)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(int a, unsigned int) */ BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(0, 2), /* void func(int a, unsigned int) */ BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */ BTF_END_RAW, }, .str_sec = "\0a\0func", .str_sec_size = sizeof("\0a\0func"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid arg#2", }, { .descr = "func (Non zero vlen)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ /* void (*)(int a, unsigned int b) */ BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), /* void func(int a, unsigned int b) */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 2), 3), /* [4] */ BTF_END_RAW, }, .str_sec = "\0a\0b\0func", .str_sec_size = sizeof("\0a\0b\0func"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid func linkage", }, { .descr = "func (Not referring to FUNC_PROTO)", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_ENC(NAME_TBD, 1), /* [2] */ BTF_END_RAW, }, .str_sec = "\0func", .str_sec_size = sizeof("\0func"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid type_id", }, { .descr = "invalid int kind_flag", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 1, 0), 4), /* [2] */ BTF_INT_ENC(0, 0, 32), BTF_END_RAW, }, BTF_STR_SEC(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "int_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid btf_info kind_flag", }, { .descr = "invalid ptr kind_flag", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 1, 0), 1), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "ptr_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid btf_info kind_flag", }, { .descr = "invalid array kind_flag", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 1, 0), 0), /* [2] */ BTF_ARRAY_ENC(1, 1, 1), BTF_END_RAW, }, BTF_STR_SEC(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "array_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid btf_info kind_flag", }, { .descr = "valid fwd kind_flag", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC("\0A"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "fwd_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "invalid typedef kind_flag", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 1, 0), 1), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC("\0A"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "typedef_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid btf_info kind_flag", }, { .descr = "invalid volatile kind_flag", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 1, 0), 1), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "volatile_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid btf_info kind_flag", }, { .descr = "invalid const kind_flag", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 1, 0), 1), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "const_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid btf_info kind_flag", }, { .descr = "invalid restrict kind_flag", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 1, 0), 1), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "restrict_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid btf_info kind_flag", }, { .descr = "invalid func kind_flag", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 0), 0), /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 1, 0), 2), /* [3] */ BTF_END_RAW, }, BTF_STR_SEC("\0A"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid btf_info kind_flag", }, { .descr = "invalid func_proto kind_flag", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 1, 0), 0), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC(""), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "func_proto_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid btf_info kind_flag", }, { .descr = "valid struct, kind_flag, bitfield_size = 0", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 8), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 0)), BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 32)), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "valid struct, kind_flag, int member, bitfield_size != 0", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)), BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 4)), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "valid union, kind_flag, int member, bitfield_size != 0", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)), BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "union_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "valid struct, kind_flag, enum member, bitfield_size != 0", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ BTF_ENUM_ENC(NAME_TBD, 0), BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)), BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 4)), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B\0C"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "valid union, kind_flag, enum member, bitfield_size != 0", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ BTF_ENUM_ENC(NAME_TBD, 0), BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)), BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B\0C"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "union_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "valid struct, kind_flag, typedef member, bitfield_size != 0", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ BTF_ENUM_ENC(NAME_TBD, 0), BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */ BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)), BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 4)), BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [4] */ BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0A\0B\0C\0D\0E"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "valid union, kind_flag, typedef member, bitfield_size != 0", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ BTF_ENUM_ENC(NAME_TBD, 0), BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)), BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 0)), BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [4] */ BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0A\0B\0C\0D\0E"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "union_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "invalid struct, kind_flag, bitfield_size greater than struct size", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)), BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 20)), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Member exceeds struct_size", }, { .descr = "invalid struct, kind_flag, bitfield base_type int not regular", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 20, 4), /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 0)), BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 20)), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid member base type", }, { .descr = "invalid struct, kind_flag, base_type int not regular", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 12, 4), /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 0)), BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 8)), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid member base type", }, { .descr = "invalid union, kind_flag, bitfield_size greater than struct size", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 2), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(8, 0)), BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "union_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Member exceeds struct_size", }, { .descr = "invalid struct, kind_flag, int member, bitfield_size = 0, wrong byte alignment", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid member offset", }, { .descr = "invalid struct, kind_flag, enum member, bitfield_size = 0, wrong byte alignment", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ BTF_ENUM_ENC(NAME_TBD, 0), BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B\0C"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, .btf_load_err = true, .err_str = "Invalid member offset", }, { .descr = "128-bit int", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC("\0A"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "int_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "struct, 128-bit int member", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, 0), BTF_END_RAW, }, BTF_STR_SEC("\0A"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "struct, 120-bit int member bitfield", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 120, 16), /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, 0), BTF_END_RAW, }, BTF_STR_SEC("\0A"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "struct, kind_flag, 128-bit int member", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), BTF_END_RAW, }, BTF_STR_SEC("\0A"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, { .descr = "struct, kind_flag, 120-bit int member bitfield", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(120, 0)), BTF_END_RAW, }, BTF_STR_SEC("\0A"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "struct_type_check_btf", .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 4, }, /* * typedef int arr_t[16]; * struct s { * arr_t *a; * }; */ { .descr = "struct->ptr->typedef->array->int size resolution", .raw_types = { BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */ BTF_MEMBER_ENC(NAME_TBD, 2, 0), BTF_PTR_ENC(3), /* [2] */ BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ BTF_TYPE_ARRAY_ENC(5, 5, 16), /* [4] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0s\0a\0arr_t"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "ptr_mod_chain_size_resolve_map", .key_size = sizeof(int), .value_size = sizeof(int) * 16, .key_type_id = 5 /* int */, .value_type_id = 3 /* arr_t */, .max_entries = 4, }, /* * typedef int arr_t[16][8][4]; * struct s { * arr_t *a; * }; */ { .descr = "struct->ptr->typedef->multi-array->int size resolution", .raw_types = { BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */ BTF_MEMBER_ENC(NAME_TBD, 2, 0), BTF_PTR_ENC(3), /* [2] */ BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ BTF_TYPE_ARRAY_ENC(5, 7, 16), /* [4] */ BTF_TYPE_ARRAY_ENC(6, 7, 8), /* [5] */ BTF_TYPE_ARRAY_ENC(7, 7, 4), /* [6] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [7] */ BTF_END_RAW, }, BTF_STR_SEC("\0s\0a\0arr_t"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "multi_arr_size_resolve_map", .key_size = sizeof(int), .value_size = sizeof(int) * 16 * 8 * 4, .key_type_id = 7 /* int */, .value_type_id = 3 /* arr_t */, .max_entries = 4, }, /* * typedef int int_t; * typedef int_t arr3_t[4]; * typedef arr3_t arr2_t[8]; * typedef arr2_t arr1_t[16]; * struct s { * arr1_t *a; * }; */ { .descr = "typedef/multi-arr mix size resolution", .raw_types = { BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */ BTF_MEMBER_ENC(NAME_TBD, 2, 0), BTF_PTR_ENC(3), /* [2] */ BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ BTF_TYPE_ARRAY_ENC(5, 10, 16), /* [4] */ BTF_TYPEDEF_ENC(NAME_TBD, 6), /* [5] */ BTF_TYPE_ARRAY_ENC(7, 10, 8), /* [6] */ BTF_TYPEDEF_ENC(NAME_TBD, 8), /* [7] */ BTF_TYPE_ARRAY_ENC(9, 10, 4), /* [8] */ BTF_TYPEDEF_ENC(NAME_TBD, 10), /* [9] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [10] */ BTF_END_RAW, }, BTF_STR_SEC("\0s\0a\0arr1_t\0arr2_t\0arr3_t\0int_t"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "typedef_arra_mix_size_resolve_map", .key_size = sizeof(int), .value_size = sizeof(int) * 16 * 8 * 4, .key_type_id = 10 /* int */, .value_type_id = 3 /* arr_t */, .max_entries = 4, }, /* * elf .rodata section size 4 and btf .rodata section vlen 0. */ { .descr = "datasec: vlen == 0", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* .rodata section */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 0), 4), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC("\0.rodata"), .map_type = BPF_MAP_TYPE_ARRAY, .key_size = sizeof(int), .value_size = sizeof(int), .key_type_id = 1, .value_type_id = 1, .max_entries = 1, }, { .descr = "datasec: name '?.foo bar:buz' is ok", .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* VAR x */ /* [2] */ BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), 1), BTF_VAR_STATIC, /* DATASEC ?.data */ /* [3] */ BTF_TYPE_ENC(3, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(2, 0, 4), BTF_END_RAW, }, BTF_STR_SEC("\0x\0?.foo bar:buz"), }, { .descr = "type name '?foo' is not ok", .raw_types = { /* union ?foo; */ BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */ BTF_END_RAW, }, BTF_STR_SEC("\0?foo"), .err_str = "Invalid name", .btf_load_err = true, }, { .descr = "float test #1, well-formed", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [2] */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [3] */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 8), /* [4] */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 12), /* [5] */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 16), /* [6] */ BTF_STRUCT_ENC(NAME_TBD, 5, 48), /* [7] */ BTF_MEMBER_ENC(NAME_TBD, 2, 0), BTF_MEMBER_ENC(NAME_TBD, 3, 32), BTF_MEMBER_ENC(NAME_TBD, 4, 64), BTF_MEMBER_ENC(NAME_TBD, 5, 128), BTF_MEMBER_ENC(NAME_TBD, 6, 256), BTF_END_RAW, }, BTF_STR_SEC("\0int\0_Float16\0float\0double\0_Float80\0long_double" "\0floats\0a\0b\0c\0d\0e"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "float_type_check_btf", .key_size = sizeof(int), .value_size = 48, .key_type_id = 1, .value_type_id = 7, .max_entries = 1, }, { .descr = "float test #2, invalid vlen", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 0, 1), 4), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0float"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "float_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 2, .max_entries = 1, .btf_load_err = true, .err_str = "vlen != 0", }, { .descr = "float test #3, invalid kind_flag", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 1, 0), 4), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0float"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "float_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 2, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid btf_info kind_flag", }, { .descr = "float test #4, member does not fit", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */ BTF_STRUCT_ENC(NAME_TBD, 1, 2), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, 0), BTF_END_RAW, }, BTF_STR_SEC("\0int\0float\0floats\0x"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "float_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 3, .max_entries = 1, .btf_load_err = true, .err_str = "Member exceeds struct_size", }, { .descr = "float test #5, member is not properly aligned", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */ BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] */ BTF_MEMBER_ENC(NAME_TBD, 2, 8), BTF_END_RAW, }, BTF_STR_SEC("\0int\0float\0floats\0x"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "float_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 3, .max_entries = 1, .btf_load_err = true, .err_str = "Member is not properly aligned", }, { .descr = "float test #6, invalid size", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 6), /* [2] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0float"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "float_type_check_btf", .key_size = sizeof(int), .value_size = 6, .key_type_id = 1, .value_type_id = 2, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid type_size", }, { .descr = "decl_tag test #1, struct/member, well-formed", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_STRUCT_ENC(0, 2, 8), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_MEMBER_ENC(NAME_TBD, 1, 32), BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), BTF_DECL_TAG_ENC(NAME_TBD, 2, 1), BTF_END_RAW, }, BTF_STR_SEC("\0m1\0m2\0tag1\0tag2\0tag3"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 8, .key_type_id = 1, .value_type_id = 2, .max_entries = 1, }, { .descr = "decl_tag test #2, union/member, well-formed", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_UNION_ENC(NAME_TBD, 2, 4), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), BTF_DECL_TAG_ENC(NAME_TBD, 2, 1), BTF_END_RAW, }, BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 2, .max_entries = 1, }, { .descr = "decl_tag test #3, variable, well-formed", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ BTF_VAR_ENC(NAME_TBD, 1, 1), /* [3] */ BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), BTF_DECL_TAG_ENC(NAME_TBD, 3, -1), BTF_END_RAW, }, BTF_STR_SEC("\0local\0global\0tag1\0tag2"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, }, { .descr = "decl_tag test #4, func/parameter, well-formed", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ BTF_DECL_TAG_ENC(NAME_TBD, 3, -1), BTF_DECL_TAG_ENC(NAME_TBD, 3, 0), BTF_DECL_TAG_ENC(NAME_TBD, 3, 1), BTF_END_RAW, }, BTF_STR_SEC("\0arg1\0arg2\0f\0tag1\0tag2\0tag3"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, }, { .descr = "decl_tag test #5, invalid value", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ BTF_DECL_TAG_ENC(0, 2, -1), BTF_END_RAW, }, BTF_STR_SEC("\0local\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid value", }, { .descr = "decl_tag test #6, invalid target type", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_DECL_TAG_ENC(NAME_TBD, 1, -1), BTF_END_RAW, }, BTF_STR_SEC("\0tag1"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid type", }, { .descr = "decl_tag test #7, invalid vlen", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 1), 2), (0), BTF_END_RAW, }, BTF_STR_SEC("\0local\0tag1"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "vlen != 0", }, { .descr = "decl_tag test #8, invalid kflag", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 1, 0), 2), (-1), BTF_END_RAW, }, BTF_STR_SEC("\0local\0tag1"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid btf_info kind_flag", }, { .descr = "decl_tag test #9, var, invalid component_idx", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), BTF_END_RAW, }, BTF_STR_SEC("\0local\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid component_idx", }, { .descr = "decl_tag test #10, struct member, invalid component_idx", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_STRUCT_ENC(0, 2, 8), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_MEMBER_ENC(NAME_TBD, 1, 32), BTF_DECL_TAG_ENC(NAME_TBD, 2, 2), BTF_END_RAW, }, BTF_STR_SEC("\0m1\0m2\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 8, .key_type_id = 1, .value_type_id = 2, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid component_idx", }, { .descr = "decl_tag test #11, func parameter, invalid component_idx", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ BTF_DECL_TAG_ENC(NAME_TBD, 3, 2), BTF_END_RAW, }, BTF_STR_SEC("\0arg1\0arg2\0f\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid component_idx", }, { .descr = "decl_tag test #12, < -1 component_idx", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ BTF_DECL_TAG_ENC(NAME_TBD, 3, -2), BTF_END_RAW, }, BTF_STR_SEC("\0arg1\0arg2\0f\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid component_idx", }, { .descr = "decl_tag test #13, typedef, well-formed", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */ BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), BTF_END_RAW, }, BTF_STR_SEC("\0t\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, }, { .descr = "decl_tag test #14, typedef, invalid component_idx", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */ BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), BTF_END_RAW, }, BTF_STR_SEC("\0local\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid component_idx", }, { .descr = "decl_tag test #15, func, invalid func proto", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_DECL_TAG_ENC(NAME_TBD, 3, 0), /* [2] */ BTF_FUNC_ENC(NAME_TBD, 8), /* [3] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag\0func"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Invalid type_id", }, { .descr = "decl_tag test #16, func proto, return type", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 2), (-1), /* [3] */ BTF_FUNC_PROTO_ENC(3, 0), /* [4] */ BTF_END_RAW, }, BTF_STR_SEC("\0local\0tag1"), .btf_load_err = true, .err_str = "Invalid return type", }, { .descr = "decl_tag test #17, func proto, argument", .raw_types = { BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 4), (-1), /* [1] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), /* [2] */ BTF_FUNC_PROTO_ENC(0, 1), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_VAR_ENC(NAME_TBD, 2, 0), /* [4] */ BTF_END_RAW, }, BTF_STR_SEC("\0local\0tag1\0var"), .btf_load_err = true, .err_str = "Invalid arg#1", }, { .descr = "decl_tag test #18, decl_tag as the map key type", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_STRUCT_ENC(0, 2, 8), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_MEMBER_ENC(NAME_TBD, 1, 32), BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */ BTF_END_RAW, }, BTF_STR_SEC("\0m1\0m2\0tag"), .map_type = BPF_MAP_TYPE_HASH, .map_name = "tag_type_check_btf", .key_size = 8, .value_size = 4, .key_type_id = 3, .value_type_id = 1, .max_entries = 1, .map_create_err = true, }, { .descr = "decl_tag test #19, decl_tag as the map value type", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_STRUCT_ENC(0, 2, 8), /* [2] */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_MEMBER_ENC(NAME_TBD, 1, 32), BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */ BTF_END_RAW, }, BTF_STR_SEC("\0m1\0m2\0tag"), .map_type = BPF_MAP_TYPE_HASH, .map_name = "tag_type_check_btf", .key_size = 4, .value_size = 8, .key_type_id = 1, .value_type_id = 3, .max_entries = 1, .map_create_err = true, }, { .descr = "type_tag test #1", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [2] */ BTF_PTR_ENC(2), /* [3] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, }, { .descr = "type_tag test #2, type tag order", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_CONST_ENC(3), /* [2] */ BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [3] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Type tags don't precede modifiers", }, { .descr = "type_tag test #3, type tag order", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */ BTF_CONST_ENC(4), /* [3] */ BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Type tags don't precede modifiers", }, { .descr = "type_tag test #4, type tag order", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [2] */ BTF_CONST_ENC(4), /* [3] */ BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Type tags don't precede modifiers", }, { .descr = "type_tag test #5, type tag order", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */ BTF_CONST_ENC(1), /* [3] */ BTF_TYPE_TAG_ENC(NAME_TBD, 2), /* [4] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, }, { .descr = "type_tag test #6, type tag order", .raw_types = { BTF_PTR_ENC(2), /* [1] */ BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */ BTF_CONST_ENC(4), /* [3] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */ BTF_PTR_ENC(6), /* [5] */ BTF_CONST_ENC(2), /* [6] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 1, .max_entries = 1, .btf_load_err = true, .err_str = "Type tags don't precede modifiers", }, { .descr = "enum64 test #1, unsigned, size 8", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [2] */ BTF_ENUM64_ENC(NAME_TBD, 0, 0), BTF_ENUM64_ENC(NAME_TBD, 1, 1), BTF_END_RAW, }, BTF_STR_SEC("\0a\0b\0c"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 8, .key_type_id = 1, .value_type_id = 2, .max_entries = 1, }, { .descr = "enum64 test #2, signed, size 4", .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 1, 2), 4), /* [2] */ BTF_ENUM64_ENC(NAME_TBD, -1, 0), BTF_ENUM64_ENC(NAME_TBD, 1, 0), BTF_END_RAW, }, BTF_STR_SEC("\0a\0b\0c"), .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "tag_type_check_btf", .key_size = sizeof(int), .value_size = 4, .key_type_id = 1, .value_type_id = 2, .max_entries = 1, }, }; /* struct btf_raw_test raw_tests[] */ static const char *get_next_str(const char *start, const char *end) { return start < end - 1 ? start + 1 : NULL; } static int get_raw_sec_size(const __u32 *raw_types) { int i; for (i = MAX_NR_RAW_U32 - 1; i >= 0 && raw_types[i] != BTF_END_RAW; i--) ; return i < 0 ? i : i * sizeof(raw_types[0]); } static void *btf_raw_create(const struct btf_header *hdr, const __u32 *raw_types, const char *str, unsigned int str_sec_size, unsigned int *btf_size, const char **ret_next_str) { const char *next_str = str, *end_str = str + str_sec_size; const char **strs_idx = NULL, **tmp_strs_idx; int strs_cap = 0, strs_cnt = 0, next_str_idx = 0; unsigned int size_needed, offset; struct btf_header *ret_hdr; int i, type_sec_size, err = 0; uint32_t *ret_types; void *raw_btf = NULL; type_sec_size = get_raw_sec_size(raw_types); if (CHECK(type_sec_size < 0, "Cannot get nr_raw_types")) return NULL; size_needed = sizeof(*hdr) + type_sec_size + str_sec_size; raw_btf = malloc(size_needed); if (CHECK(!raw_btf, "Cannot allocate memory for raw_btf")) return NULL; /* Copy header */ memcpy(raw_btf, hdr, sizeof(*hdr)); offset = sizeof(*hdr); /* Index strings */ while ((next_str = get_next_str(next_str, end_str))) { if (strs_cnt == strs_cap) { strs_cap += max(16, strs_cap / 2); tmp_strs_idx = realloc(strs_idx, sizeof(*strs_idx) * strs_cap); if (CHECK(!tmp_strs_idx, "Cannot allocate memory for strs_idx")) { err = -1; goto done; } strs_idx = tmp_strs_idx; } strs_idx[strs_cnt++] = next_str; next_str += strlen(next_str); } /* Copy type section */ ret_types = raw_btf + offset; for (i = 0; i < type_sec_size / sizeof(raw_types[0]); i++) { if (raw_types[i] == NAME_TBD) { if (CHECK(next_str_idx == strs_cnt, "Error in getting next_str #%d", next_str_idx)) { err = -1; goto done; } ret_types[i] = strs_idx[next_str_idx++] - str; } else if (IS_NAME_NTH(raw_types[i])) { int idx = GET_NAME_NTH_IDX(raw_types[i]); if (CHECK(idx <= 0 || idx > strs_cnt, "Error getting string #%d, strs_cnt:%d", idx, strs_cnt)) { err = -1; goto done; } ret_types[i] = strs_idx[idx-1] - str; } else { ret_types[i] = raw_types[i]; } } offset += type_sec_size; /* Copy string section */ memcpy(raw_btf + offset, str, str_sec_size); ret_hdr = (struct btf_header *)raw_btf; ret_hdr->type_len = type_sec_size; ret_hdr->str_off = type_sec_size; ret_hdr->str_len = str_sec_size; *btf_size = size_needed; if (ret_next_str) *ret_next_str = next_str_idx < strs_cnt ? strs_idx[next_str_idx] : NULL; done: free(strs_idx); if (err) { free(raw_btf); return NULL; } return raw_btf; } static int load_raw_btf(const void *raw_data, size_t raw_size) { LIBBPF_OPTS(bpf_btf_load_opts, opts); int btf_fd; if (always_log) { opts.log_buf = btf_log_buf, opts.log_size = BTF_LOG_BUF_SIZE, opts.log_level = 1; } btf_fd = bpf_btf_load(raw_data, raw_size, &opts); if (btf_fd < 0 && !always_log) { opts.log_buf = btf_log_buf, opts.log_size = BTF_LOG_BUF_SIZE, opts.log_level = 1; btf_fd = bpf_btf_load(raw_data, raw_size, &opts); } return btf_fd; } static void do_test_raw(unsigned int test_num) { struct btf_raw_test *test = &raw_tests[test_num - 1]; LIBBPF_OPTS(bpf_map_create_opts, opts); int map_fd = -1, btf_fd = -1; unsigned int raw_btf_size; struct btf_header *hdr; void *raw_btf; int err; if (!test__start_subtest(test->descr)) return; raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, test->str_sec, test->str_sec_size, &raw_btf_size, NULL); if (!raw_btf) return; hdr = raw_btf; hdr->hdr_len = (int)hdr->hdr_len + test->hdr_len_delta; hdr->type_off = (int)hdr->type_off + test->type_off_delta; hdr->str_off = (int)hdr->str_off + test->str_off_delta; hdr->str_len = (int)hdr->str_len + test->str_len_delta; *btf_log_buf = '\0'; btf_fd = load_raw_btf(raw_btf, raw_btf_size); free(raw_btf); err = ((btf_fd < 0) != test->btf_load_err); if (CHECK(err, "btf_fd:%d test->btf_load_err:%u", btf_fd, test->btf_load_err) || CHECK(test->err_str && !strstr(btf_log_buf, test->err_str), "expected err_str:%s\n", test->err_str)) { err = -1; goto done; } if (err || btf_fd < 0) goto done; if (!test->map_type) goto done; opts.btf_fd = btf_fd; opts.btf_key_type_id = test->key_type_id; opts.btf_value_type_id = test->value_type_id; map_fd = bpf_map_create(test->map_type, test->map_name, test->key_size, test->value_size, test->max_entries, &opts); err = ((map_fd < 0) != test->map_create_err); CHECK(err, "map_fd:%d test->map_create_err:%u", map_fd, test->map_create_err); done: if (*btf_log_buf && (err || always_log)) fprintf(stderr, "\n%s", btf_log_buf); if (btf_fd >= 0) close(btf_fd); if (map_fd >= 0) close(map_fd); } struct btf_get_info_test { const char *descr; const char *str_sec; __u32 raw_types[MAX_NR_RAW_U32]; __u32 str_sec_size; int btf_size_delta; int (*special_test)(unsigned int test_num); }; static int test_big_btf_info(unsigned int test_num); static int test_btf_id(unsigned int test_num); const struct btf_get_info_test get_info_tests[] = { { .descr = "== raw_btf_size+1", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .btf_size_delta = 1, }, { .descr = "== raw_btf_size-3", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .btf_size_delta = -3, }, { .descr = "Large bpf_btf_info", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .special_test = test_big_btf_info, }, { .descr = "BTF ID", .raw_types = { /* int */ /* [1] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* unsigned int */ /* [2] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), BTF_END_RAW, }, .str_sec = "", .str_sec_size = sizeof(""), .special_test = test_btf_id, }, }; static int test_big_btf_info(unsigned int test_num) { const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; uint8_t *raw_btf = NULL, *user_btf = NULL; unsigned int raw_btf_size; struct { struct bpf_btf_info info; uint64_t garbage; } info_garbage; struct bpf_btf_info *info; int btf_fd = -1, err; uint32_t info_len; raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, test->str_sec, test->str_sec_size, &raw_btf_size, NULL); if (!raw_btf) return -1; *btf_log_buf = '\0'; user_btf = malloc(raw_btf_size); if (CHECK(!user_btf, "!user_btf")) { err = -1; goto done; } btf_fd = load_raw_btf(raw_btf, raw_btf_size); if (CHECK(btf_fd < 0, "errno:%d", errno)) { err = -1; goto done; } /* * GET_INFO should error out if the userspace info * has non zero tailing bytes. */ info = &info_garbage.info; memset(info, 0, sizeof(*info)); info_garbage.garbage = 0xdeadbeef; info_len = sizeof(info_garbage); info->btf = ptr_to_u64(user_btf); info->btf_size = raw_btf_size; err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len); if (CHECK(!err, "!err")) { err = -1; goto done; } /* * GET_INFO should succeed even info_len is larger than * the kernel supported as long as tailing bytes are zero. * The kernel supported info len should also be returned * to userspace. */ info_garbage.garbage = 0; err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len); if (CHECK(err || info_len != sizeof(*info), "err:%d errno:%d info_len:%u sizeof(*info):%zu", err, errno, info_len, sizeof(*info))) { err = -1; goto done; } fprintf(stderr, "OK"); done: if (*btf_log_buf && (err || always_log)) fprintf(stderr, "\n%s", btf_log_buf); free(raw_btf); free(user_btf); if (btf_fd >= 0) close(btf_fd); return err; } static int test_btf_id(unsigned int test_num) { const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; LIBBPF_OPTS(bpf_map_create_opts, opts); uint8_t *raw_btf = NULL, *user_btf[2] = {}; int btf_fd[2] = {-1, -1}, map_fd = -1; struct bpf_map_info map_info = {}; struct bpf_btf_info info[2] = {}; unsigned int raw_btf_size; uint32_t info_len; int err, i, ret; raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, test->str_sec, test->str_sec_size, &raw_btf_size, NULL); if (!raw_btf) return -1; *btf_log_buf = '\0'; for (i = 0; i < 2; i++) { user_btf[i] = malloc(raw_btf_size); if (CHECK(!user_btf[i], "!user_btf[%d]", i)) { err = -1; goto done; } info[i].btf = ptr_to_u64(user_btf[i]); info[i].btf_size = raw_btf_size; } btf_fd[0] = load_raw_btf(raw_btf, raw_btf_size); if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) { err = -1; goto done; } /* Test BPF_OBJ_GET_INFO_BY_ID on btf_id */ info_len = sizeof(info[0]); err = bpf_btf_get_info_by_fd(btf_fd[0], &info[0], &info_len); if (CHECK(err, "errno:%d", errno)) { err = -1; goto done; } btf_fd[1] = bpf_btf_get_fd_by_id(info[0].id); if (CHECK(btf_fd[1] < 0, "errno:%d", errno)) { err = -1; goto done; } ret = 0; err = bpf_btf_get_info_by_fd(btf_fd[1], &info[1], &info_len); if (CHECK(err || info[0].id != info[1].id || info[0].btf_size != info[1].btf_size || (ret = memcmp(user_btf[0], user_btf[1], info[0].btf_size)), "err:%d errno:%d id0:%u id1:%u btf_size0:%u btf_size1:%u memcmp:%d", err, errno, info[0].id, info[1].id, info[0].btf_size, info[1].btf_size, ret)) { err = -1; goto done; } /* Test btf members in struct bpf_map_info */ opts.btf_fd = btf_fd[0]; opts.btf_key_type_id = 1; opts.btf_value_type_id = 2; map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_btf_id", sizeof(int), sizeof(int), 4, &opts); if (CHECK(map_fd < 0, "errno:%d", errno)) { err = -1; goto done; } info_len = sizeof(map_info); err = bpf_map_get_info_by_fd(map_fd, &map_info, &info_len); if (CHECK(err || map_info.btf_id != info[0].id || map_info.btf_key_type_id != 1 || map_info.btf_value_type_id != 2, "err:%d errno:%d info.id:%u btf_id:%u btf_key_type_id:%u btf_value_type_id:%u", err, errno, info[0].id, map_info.btf_id, map_info.btf_key_type_id, map_info.btf_value_type_id)) { err = -1; goto done; } for (i = 0; i < 2; i++) { close(btf_fd[i]); btf_fd[i] = -1; } /* Test BTF ID is removed from the kernel */ btf_fd[0] = bpf_btf_get_fd_by_id(map_info.btf_id); if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) { err = -1; goto done; } close(btf_fd[0]); btf_fd[0] = -1; /* The map holds the last ref to BTF and its btf_id */ close(map_fd); map_fd = -1; fprintf(stderr, "OK"); done: if (*btf_log_buf && (err || always_log)) fprintf(stderr, "\n%s", btf_log_buf); free(raw_btf); if (map_fd >= 0) close(map_fd); for (i = 0; i < 2; i++) { free(user_btf[i]); if (btf_fd[i] >= 0) close(btf_fd[i]); } return err; } static void do_test_get_info(unsigned int test_num) { const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; unsigned int raw_btf_size, user_btf_size, expected_nbytes; uint8_t *raw_btf = NULL, *user_btf = NULL; struct bpf_btf_info info = {}; int btf_fd = -1, err, ret; uint32_t info_len; if (!test__start_subtest(test->descr)) return; if (test->special_test) { err = test->special_test(test_num); if (CHECK(err, "failed: %d\n", err)) return; } raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, test->str_sec, test->str_sec_size, &raw_btf_size, NULL); if (!raw_btf) return; *btf_log_buf = '\0'; user_btf = malloc(raw_btf_size); if (CHECK(!user_btf, "!user_btf")) { err = -1; goto done; } btf_fd = load_raw_btf(raw_btf, raw_btf_size); if (CHECK(btf_fd <= 0, "errno:%d", errno)) { err = -1; goto done; } user_btf_size = (int)raw_btf_size + test->btf_size_delta; expected_nbytes = min(raw_btf_size, user_btf_size); if (raw_btf_size > expected_nbytes) memset(user_btf + expected_nbytes, 0xff, raw_btf_size - expected_nbytes); info_len = sizeof(info); info.btf = ptr_to_u64(user_btf); info.btf_size = user_btf_size; ret = 0; err = bpf_btf_get_info_by_fd(btf_fd, &info, &info_len); if (CHECK(err || !info.id || info_len != sizeof(info) || info.btf_size != raw_btf_size || (ret = memcmp(raw_btf, user_btf, expected_nbytes)), "err:%d errno:%d info.id:%u info_len:%u sizeof(info):%zu raw_btf_size:%u info.btf_size:%u expected_nbytes:%u memcmp:%d", err, errno, info.id, info_len, sizeof(info), raw_btf_size, info.btf_size, expected_nbytes, ret)) { err = -1; goto done; } while (expected_nbytes < raw_btf_size) { fprintf(stderr, "%u...", expected_nbytes); if (CHECK(user_btf[expected_nbytes++] != 0xff, "user_btf[%u]:%x != 0xff", expected_nbytes - 1, user_btf[expected_nbytes - 1])) { err = -1; goto done; } } fprintf(stderr, "OK"); done: if (*btf_log_buf && (err || always_log)) fprintf(stderr, "\n%s", btf_log_buf); free(raw_btf); free(user_btf); if (btf_fd >= 0) close(btf_fd); } struct btf_file_test { const char *file; bool btf_kv_notfound; }; static struct btf_file_test file_tests[] = { { .file = "test_btf_newkv.bpf.o", }, { .file = "test_btf_nokv.bpf.o", .btf_kv_notfound = true, }, }; static void do_test_file(unsigned int test_num) { const struct btf_file_test *test = &file_tests[test_num - 1]; const char *expected_fnames[] = {"_dummy_tracepoint", "test_long_fname_1", "test_long_fname_2"}; struct btf_ext *btf_ext = NULL; struct bpf_prog_info info = {}; struct bpf_object *obj = NULL; struct bpf_func_info *finfo; struct bpf_program *prog; __u32 info_len, rec_size; bool has_btf_ext = false; struct btf *btf = NULL; void *func_info = NULL; struct bpf_map *map; int i, err, prog_fd; if (!test__start_subtest(test->file)) return; btf = btf__parse_elf(test->file, &btf_ext); err = libbpf_get_error(btf); if (err) { if (err == -ENOENT) { printf("%s:SKIP: No ELF %s found", __func__, BTF_ELF_SEC); test__skip(); return; } return; } btf__free(btf); has_btf_ext = btf_ext != NULL; btf_ext__free(btf_ext); /* temporary disable LIBBPF_STRICT_MAP_DEFINITIONS to test legacy maps */ libbpf_set_strict_mode(LIBBPF_STRICT_ALL & ~LIBBPF_STRICT_MAP_DEFINITIONS); obj = bpf_object__open(test->file); err = libbpf_get_error(obj); if (CHECK(err, "obj: %d", err)) return; prog = bpf_object__next_program(obj, NULL); if (CHECK(!prog, "Cannot find bpf_prog")) { err = -1; goto done; } bpf_program__set_type(prog, BPF_PROG_TYPE_TRACEPOINT); err = bpf_object__load(obj); if (CHECK(err < 0, "bpf_object__load: %d", err)) goto done; prog_fd = bpf_program__fd(prog); map = bpf_object__find_map_by_name(obj, "btf_map"); if (CHECK(!map, "btf_map not found")) { err = -1; goto done; } err = (bpf_map__btf_key_type_id(map) == 0 || bpf_map__btf_value_type_id(map) == 0) != test->btf_kv_notfound; if (CHECK(err, "btf_key_type_id:%u btf_value_type_id:%u test->btf_kv_notfound:%u", bpf_map__btf_key_type_id(map), bpf_map__btf_value_type_id(map), test->btf_kv_notfound)) goto done; if (!has_btf_ext) goto skip; /* get necessary program info */ info_len = sizeof(struct bpf_prog_info); err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) { fprintf(stderr, "%s\n", btf_log_buf); err = -1; goto done; } if (CHECK(info.nr_func_info != 3, "incorrect info.nr_func_info (1st) %d", info.nr_func_info)) { err = -1; goto done; } rec_size = info.func_info_rec_size; if (CHECK(rec_size != sizeof(struct bpf_func_info), "incorrect info.func_info_rec_size (1st) %d\n", rec_size)) { err = -1; goto done; } func_info = malloc(info.nr_func_info * rec_size); if (CHECK(!func_info, "out of memory")) { err = -1; goto done; } /* reset info to only retrieve func_info related data */ memset(&info, 0, sizeof(info)); info.nr_func_info = 3; info.func_info_rec_size = rec_size; info.func_info = ptr_to_u64(func_info); err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) { fprintf(stderr, "%s\n", btf_log_buf); err = -1; goto done; } if (CHECK(info.nr_func_info != 3, "incorrect info.nr_func_info (2nd) %d", info.nr_func_info)) { err = -1; goto done; } if (CHECK(info.func_info_rec_size != rec_size, "incorrect info.func_info_rec_size (2nd) %d", info.func_info_rec_size)) { err = -1; goto done; } btf = btf__load_from_kernel_by_id(info.btf_id); err = libbpf_get_error(btf); if (CHECK(err, "cannot get btf from kernel, err: %d", err)) goto done; /* check three functions */ finfo = func_info; for (i = 0; i < 3; i++) { const struct btf_type *t; const char *fname; t = btf__type_by_id(btf, finfo->type_id); if (CHECK(!t, "btf__type_by_id failure: id %u", finfo->type_id)) { err = -1; goto done; } fname = btf__name_by_offset(btf, t->name_off); err = strcmp(fname, expected_fnames[i]); /* for the second and third functions in .text section, * the compiler may order them either way. */ if (i && err) err = strcmp(fname, expected_fnames[3 - i]); if (CHECK(err, "incorrect fname %s", fname ? : "")) { err = -1; goto done; } finfo = (void *)finfo + rec_size; } skip: fprintf(stderr, "OK"); done: libbpf_set_strict_mode(LIBBPF_STRICT_ALL); btf__free(btf); free(func_info); bpf_object__close(obj); } const char *pprint_enum_str[] = { "ENUM_ZERO", "ENUM_ONE", "ENUM_TWO", "ENUM_THREE", }; struct pprint_mapv { uint32_t ui32; uint16_t ui16; /* 2 bytes hole */ int32_t si32; uint32_t unused_bits2a:2, bits28:28, unused_bits2b:2; union { uint64_t ui64; uint8_t ui8a[8]; }; enum { ENUM_ZERO, ENUM_ONE, ENUM_TWO, ENUM_THREE, } aenum; uint32_t ui32b; uint32_t bits2c:2; uint8_t si8_4[2][2]; }; #ifdef __SIZEOF_INT128__ struct pprint_mapv_int128 { __int128 si128a; __int128 si128b; unsigned __int128 bits3:3; unsigned __int128 bits80:80; unsigned __int128 ui128; }; #endif static struct btf_raw_test pprint_test_template[] = { { .raw_types = { /* unsighed char */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), /* unsigned short */ /* [2] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), /* unsigned int */ /* [3] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* int */ /* [4] */ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* unsigned long long */ /* [5] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), /* 2 bits */ /* [6] */ BTF_TYPE_INT_ENC(0, 0, 0, 2, 2), /* 28 bits */ /* [7] */ BTF_TYPE_INT_ENC(0, 0, 0, 28, 4), /* uint8_t[8] */ /* [8] */ BTF_TYPE_ARRAY_ENC(9, 1, 8), /* typedef unsigned char uint8_t */ /* [9] */ BTF_TYPEDEF_ENC(NAME_TBD, 1), /* typedef unsigned short uint16_t */ /* [10] */ BTF_TYPEDEF_ENC(NAME_TBD, 2), /* typedef unsigned int uint32_t */ /* [11] */ BTF_TYPEDEF_ENC(NAME_TBD, 3), /* typedef int int32_t */ /* [12] */ BTF_TYPEDEF_ENC(NAME_TBD, 4), /* typedef unsigned long long uint64_t *//* [13] */ BTF_TYPEDEF_ENC(NAME_TBD, 5), /* union (anon) */ /* [14] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ /* enum (anon) */ /* [15] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), BTF_ENUM_ENC(NAME_TBD, 0), BTF_ENUM_ENC(NAME_TBD, 1), BTF_ENUM_ENC(NAME_TBD, 2), BTF_ENUM_ENC(NAME_TBD, 3), /* struct pprint_mapv */ /* [16] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 11), 40), BTF_MEMBER_ENC(NAME_TBD, 11, 0), /* uint32_t ui32 */ BTF_MEMBER_ENC(NAME_TBD, 10, 32), /* uint16_t ui16 */ BTF_MEMBER_ENC(NAME_TBD, 12, 64), /* int32_t si32 */ BTF_MEMBER_ENC(NAME_TBD, 6, 96), /* unused_bits2a */ BTF_MEMBER_ENC(NAME_TBD, 7, 98), /* bits28 */ BTF_MEMBER_ENC(NAME_TBD, 6, 126), /* unused_bits2b */ BTF_MEMBER_ENC(0, 14, 128), /* union (anon) */ BTF_MEMBER_ENC(NAME_TBD, 15, 192), /* aenum */ BTF_MEMBER_ENC(NAME_TBD, 11, 224), /* uint32_t ui32b */ BTF_MEMBER_ENC(NAME_TBD, 6, 256), /* bits2c */ BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */ BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */ BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */ BTF_END_RAW, }, BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0si8_4"), .key_size = sizeof(unsigned int), .value_size = sizeof(struct pprint_mapv), .key_type_id = 3, /* unsigned int */ .value_type_id = 16, /* struct pprint_mapv */ .max_entries = 128, }, { /* this type will have the same type as the * first .raw_types definition, but struct type will * be encoded with kind_flag set. */ .raw_types = { /* unsighed char */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), /* unsigned short */ /* [2] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), /* unsigned int */ /* [3] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* int */ /* [4] */ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* unsigned long long */ /* [5] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */ /* uint8_t[8] */ /* [8] */ BTF_TYPE_ARRAY_ENC(9, 1, 8), /* typedef unsigned char uint8_t */ /* [9] */ BTF_TYPEDEF_ENC(NAME_TBD, 1), /* typedef unsigned short uint16_t */ /* [10] */ BTF_TYPEDEF_ENC(NAME_TBD, 2), /* typedef unsigned int uint32_t */ /* [11] */ BTF_TYPEDEF_ENC(NAME_TBD, 3), /* typedef int int32_t */ /* [12] */ BTF_TYPEDEF_ENC(NAME_TBD, 4), /* typedef unsigned long long uint64_t *//* [13] */ BTF_TYPEDEF_ENC(NAME_TBD, 5), /* union (anon) */ /* [14] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ /* enum (anon) */ /* [15] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), BTF_ENUM_ENC(NAME_TBD, 0), BTF_ENUM_ENC(NAME_TBD, 1), BTF_ENUM_ENC(NAME_TBD, 2), BTF_ENUM_ENC(NAME_TBD, 3), /* struct pprint_mapv */ /* [16] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40), BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */ BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */ BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */ BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */ BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */ BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 126)), /* unused_bits2b */ BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */ BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */ BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */ BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */ BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */ BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */ BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */ BTF_END_RAW, }, BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0si8_4"), .key_size = sizeof(unsigned int), .value_size = sizeof(struct pprint_mapv), .key_type_id = 3, /* unsigned int */ .value_type_id = 16, /* struct pprint_mapv */ .max_entries = 128, }, { /* this type will have the same layout as the * first .raw_types definition. The struct type will * be encoded with kind_flag set, bitfield members * are added typedef/const/volatile, and bitfield members * will have both int and enum types. */ .raw_types = { /* unsighed char */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), /* unsigned short */ /* [2] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), /* unsigned int */ /* [3] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* int */ /* [4] */ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* unsigned long long */ /* [5] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */ BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */ /* uint8_t[8] */ /* [8] */ BTF_TYPE_ARRAY_ENC(9, 1, 8), /* typedef unsigned char uint8_t */ /* [9] */ BTF_TYPEDEF_ENC(NAME_TBD, 1), /* typedef unsigned short uint16_t */ /* [10] */ BTF_TYPEDEF_ENC(NAME_TBD, 2), /* typedef unsigned int uint32_t */ /* [11] */ BTF_TYPEDEF_ENC(NAME_TBD, 3), /* typedef int int32_t */ /* [12] */ BTF_TYPEDEF_ENC(NAME_TBD, 4), /* typedef unsigned long long uint64_t *//* [13] */ BTF_TYPEDEF_ENC(NAME_TBD, 5), /* union (anon) */ /* [14] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ /* enum (anon) */ /* [15] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), BTF_ENUM_ENC(NAME_TBD, 0), BTF_ENUM_ENC(NAME_TBD, 1), BTF_ENUM_ENC(NAME_TBD, 2), BTF_ENUM_ENC(NAME_TBD, 3), /* struct pprint_mapv */ /* [16] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40), BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */ BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */ BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */ BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */ BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */ BTF_MEMBER_ENC(NAME_TBD, 19, BTF_MEMBER_OFFSET(2, 126)),/* unused_bits2b */ BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */ BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */ BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */ BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */ BTF_MEMBER_ENC(NAME_TBD, 20, BTF_MEMBER_OFFSET(0, 264)), /* si8_4 */ /* typedef unsigned int ___int */ /* [17] */ BTF_TYPEDEF_ENC(NAME_TBD, 18), BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 6), /* [18] */ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 15), /* [19] */ BTF_TYPE_ARRAY_ENC(21, 1, 2), /* [20] */ BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [21] */ BTF_END_RAW, }, BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0___int\0si8_4"), .key_size = sizeof(unsigned int), .value_size = sizeof(struct pprint_mapv), .key_type_id = 3, /* unsigned int */ .value_type_id = 16, /* struct pprint_mapv */ .max_entries = 128, }, #ifdef __SIZEOF_INT128__ { /* test int128 */ .raw_types = { /* unsigned int */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* __int128 */ /* [2] */ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 128, 16), /* unsigned __int128 */ /* [3] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 128, 16), /* struct pprint_mapv_int128 */ /* [4] */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 5), 64), BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), /* si128a */ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 128)), /* si128b */ BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(3, 256)), /* bits3 */ BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(80, 259)), /* bits80 */ BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(0, 384)), /* ui128 */ BTF_END_RAW, }, BTF_STR_SEC("\0unsigned int\0__int128\0unsigned __int128\0pprint_mapv_int128\0si128a\0si128b\0bits3\0bits80\0ui128"), .key_size = sizeof(unsigned int), .value_size = sizeof(struct pprint_mapv_int128), .key_type_id = 1, .value_type_id = 4, .max_entries = 128, .mapv_kind = PPRINT_MAPV_KIND_INT128, }, #endif }; static struct btf_pprint_test_meta { const char *descr; enum bpf_map_type map_type; const char *map_name; bool ordered_map; bool lossless_map; bool percpu_map; } pprint_tests_meta[] = { { .descr = "BTF pretty print array", .map_type = BPF_MAP_TYPE_ARRAY, .map_name = "pprint_test_array", .ordered_map = true, .lossless_map = true, .percpu_map = false, }, { .descr = "BTF pretty print hash", .map_type = BPF_MAP_TYPE_HASH, .map_name = "pprint_test_hash", .ordered_map = false, .lossless_map = true, .percpu_map = false, }, { .descr = "BTF pretty print lru hash", .map_type = BPF_MAP_TYPE_LRU_HASH, .map_name = "pprint_test_lru_hash", .ordered_map = false, .lossless_map = false, .percpu_map = false, }, { .descr = "BTF pretty print percpu array", .map_type = BPF_MAP_TYPE_PERCPU_ARRAY, .map_name = "pprint_test_percpu_array", .ordered_map = true, .lossless_map = true, .percpu_map = true, }, { .descr = "BTF pretty print percpu hash", .map_type = BPF_MAP_TYPE_PERCPU_HASH, .map_name = "pprint_test_percpu_hash", .ordered_map = false, .lossless_map = true, .percpu_map = true, }, { .descr = "BTF pretty print lru percpu hash", .map_type = BPF_MAP_TYPE_LRU_PERCPU_HASH, .map_name = "pprint_test_lru_percpu_hash", .ordered_map = false, .lossless_map = false, .percpu_map = true, }, }; static size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind) { if (mapv_kind == PPRINT_MAPV_KIND_BASIC) return sizeof(struct pprint_mapv); #ifdef __SIZEOF_INT128__ if (mapv_kind == PPRINT_MAPV_KIND_INT128) return sizeof(struct pprint_mapv_int128); #endif assert(0); return 0; } static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind, void *mapv, uint32_t i, int num_cpus, int rounded_value_size) { int cpu; if (mapv_kind == PPRINT_MAPV_KIND_BASIC) { struct pprint_mapv *v = mapv; for (cpu = 0; cpu < num_cpus; cpu++) { v->ui32 = i + cpu; v->si32 = -i; v->unused_bits2a = 3; v->bits28 = i; v->unused_bits2b = 3; v->ui64 = i; v->aenum = i & 0x03; v->ui32b = 4; v->bits2c = 1; v->si8_4[0][0] = (cpu + i) & 0xff; v->si8_4[0][1] = (cpu + i + 1) & 0xff; v->si8_4[1][0] = (cpu + i + 2) & 0xff; v->si8_4[1][1] = (cpu + i + 3) & 0xff; v = (void *)v + rounded_value_size; } } #ifdef __SIZEOF_INT128__ if (mapv_kind == PPRINT_MAPV_KIND_INT128) { struct pprint_mapv_int128 *v = mapv; for (cpu = 0; cpu < num_cpus; cpu++) { v->si128a = i; v->si128b = -i; v->bits3 = i & 0x07; v->bits80 = (((unsigned __int128)1) << 64) + i; v->ui128 = (((unsigned __int128)2) << 64) + i; v = (void *)v + rounded_value_size; } } #endif } ssize_t get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind, char *expected_line, ssize_t line_size, bool percpu_map, unsigned int next_key, int cpu, void *mapv) { ssize_t nexpected_line = -1; if (mapv_kind == PPRINT_MAPV_KIND_BASIC) { struct pprint_mapv *v = mapv; nexpected_line = snprintf(expected_line, line_size, "%s%u: {%u,0,%d,0x%x,0x%x,0x%x," "{%llu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s," "%u,0x%x,[[%d,%d],[%d,%d]]}\n", percpu_map ? "\tcpu" : "", percpu_map ? cpu : next_key, v->ui32, v->si32, v->unused_bits2a, v->bits28, v->unused_bits2b, (__u64)v->ui64, v->ui8a[0], v->ui8a[1], v->ui8a[2], v->ui8a[3], v->ui8a[4], v->ui8a[5], v->ui8a[6], v->ui8a[7], pprint_enum_str[v->aenum], v->ui32b, v->bits2c, v->si8_4[0][0], v->si8_4[0][1], v->si8_4[1][0], v->si8_4[1][1]); } #ifdef __SIZEOF_INT128__ if (mapv_kind == PPRINT_MAPV_KIND_INT128) { struct pprint_mapv_int128 *v = mapv; nexpected_line = snprintf(expected_line, line_size, "%s%u: {0x%lx,0x%lx,0x%lx," "0x%lx%016lx,0x%lx%016lx}\n", percpu_map ? "\tcpu" : "", percpu_map ? cpu : next_key, (uint64_t)v->si128a, (uint64_t)v->si128b, (uint64_t)v->bits3, (uint64_t)(v->bits80 >> 64), (uint64_t)v->bits80, (uint64_t)(v->ui128 >> 64), (uint64_t)v->ui128); } #endif return nexpected_line; } static int check_line(const char *expected_line, int nexpected_line, int expected_line_len, const char *line) { if (CHECK(nexpected_line == expected_line_len, "expected_line is too long")) return -1; if (strcmp(expected_line, line)) { fprintf(stderr, "unexpected pprint output\n"); fprintf(stderr, "expected: %s", expected_line); fprintf(stderr, " read: %s", line); return -1; } return 0; } static void do_test_pprint(int test_num) { const struct btf_raw_test *test = &pprint_test_template[test_num]; enum pprint_mapv_kind_t mapv_kind = test->mapv_kind; LIBBPF_OPTS(bpf_map_create_opts, opts); bool ordered_map, lossless_map, percpu_map; int err, ret, num_cpus, rounded_value_size; unsigned int key, nr_read_elems; int map_fd = -1, btf_fd = -1; unsigned int raw_btf_size; char expected_line[255]; FILE *pin_file = NULL; char pin_path[255]; size_t line_len = 0; char *line = NULL; void *mapv = NULL; uint8_t *raw_btf; ssize_t nread; if (!test__start_subtest(test->descr)) return; raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, test->str_sec, test->str_sec_size, &raw_btf_size, NULL); if (!raw_btf) return; *btf_log_buf = '\0'; btf_fd = load_raw_btf(raw_btf, raw_btf_size); free(raw_btf); if (CHECK(btf_fd < 0, "errno:%d\n", errno)) { err = -1; goto done; } opts.btf_fd = btf_fd; opts.btf_key_type_id = test->key_type_id; opts.btf_value_type_id = test->value_type_id; map_fd = bpf_map_create(test->map_type, test->map_name, test->key_size, test->value_size, test->max_entries, &opts); if (CHECK(map_fd < 0, "errno:%d", errno)) { err = -1; goto done; } ret = snprintf(pin_path, sizeof(pin_path), "%s/%s", "/sys/fs/bpf", test->map_name); if (CHECK(ret >= sizeof(pin_path), "pin_path %s/%s is too long", "/sys/fs/bpf", test->map_name)) { err = -1; goto done; } err = bpf_obj_pin(map_fd, pin_path); if (CHECK(err, "bpf_obj_pin(%s): errno:%d.", pin_path, errno)) goto done; percpu_map = test->percpu_map; num_cpus = percpu_map ? bpf_num_possible_cpus() : 1; rounded_value_size = round_up(get_pprint_mapv_size(mapv_kind), 8); mapv = calloc(num_cpus, rounded_value_size); if (CHECK(!mapv, "mapv allocation failure")) { err = -1; goto done; } for (key = 0; key < test->max_entries; key++) { set_pprint_mapv(mapv_kind, mapv, key, num_cpus, rounded_value_size); bpf_map_update_elem(map_fd, &key, mapv, 0); } pin_file = fopen(pin_path, "r"); if (CHECK(!pin_file, "fopen(%s): errno:%d", pin_path, errno)) { err = -1; goto done; } /* Skip lines start with '#' */ while ((nread = getline(&line, &line_len, pin_file)) > 0 && *line == '#') ; if (CHECK(nread <= 0, "Unexpected EOF")) { err = -1; goto done; } nr_read_elems = 0; ordered_map = test->ordered_map; lossless_map = test->lossless_map; do { ssize_t nexpected_line; unsigned int next_key; void *cmapv; int cpu; next_key = ordered_map ? nr_read_elems : atoi(line); set_pprint_mapv(mapv_kind, mapv, next_key, num_cpus, rounded_value_size); cmapv = mapv; for (cpu = 0; cpu < num_cpus; cpu++) { if (percpu_map) { /* for percpu map, the format looks like: * <key>: { * cpu0: <value_on_cpu0> * cpu1: <value_on_cpu1> * ... * cpun: <value_on_cpun> * } * * let us verify the line containing the key here. */ if (cpu == 0) { nexpected_line = snprintf(expected_line, sizeof(expected_line), "%u: {\n", next_key); err = check_line(expected_line, nexpected_line, sizeof(expected_line), line); if (err < 0) goto done; } /* read value@cpu */ nread = getline(&line, &line_len, pin_file); if (nread < 0) break; } nexpected_line = get_pprint_expected_line(mapv_kind, expected_line, sizeof(expected_line), percpu_map, next_key, cpu, cmapv); err = check_line(expected_line, nexpected_line, sizeof(expected_line), line); if (err < 0) goto done; cmapv = cmapv + rounded_value_size; } if (percpu_map) { /* skip the last bracket for the percpu map */ nread = getline(&line, &line_len, pin_file); if (nread < 0) break; } nread = getline(&line, &line_len, pin_file); } while (++nr_read_elems < test->max_entries && nread > 0); if (lossless_map && CHECK(nr_read_elems < test->max_entries, "Unexpected EOF. nr_read_elems:%u test->max_entries:%u", nr_read_elems, test->max_entries)) { err = -1; goto done; } if (CHECK(nread > 0, "Unexpected extra pprint output: %s", line)) { err = -1; goto done; } err = 0; done: if (mapv) free(mapv); if (!err) fprintf(stderr, "OK"); if (*btf_log_buf && (err || always_log)) fprintf(stderr, "\n%s", btf_log_buf); if (btf_fd >= 0) close(btf_fd); if (map_fd >= 0) close(map_fd); if (pin_file) fclose(pin_file); unlink(pin_path); free(line); } static void test_pprint(void) { unsigned int i; /* test various maps with the first test template */ for (i = 0; i < ARRAY_SIZE(pprint_tests_meta); i++) { pprint_test_template[0].descr = pprint_tests_meta[i].descr; pprint_test_template[0].map_type = pprint_tests_meta[i].map_type; pprint_test_template[0].map_name = pprint_tests_meta[i].map_name; pprint_test_template[0].ordered_map = pprint_tests_meta[i].ordered_map; pprint_test_template[0].lossless_map = pprint_tests_meta[i].lossless_map; pprint_test_template[0].percpu_map = pprint_tests_meta[i].percpu_map; do_test_pprint(0); } /* test rest test templates with the first map */ for (i = 1; i < ARRAY_SIZE(pprint_test_template); i++) { pprint_test_template[i].descr = pprint_tests_meta[0].descr; pprint_test_template[i].map_type = pprint_tests_meta[0].map_type; pprint_test_template[i].map_name = pprint_tests_meta[0].map_name; pprint_test_template[i].ordered_map = pprint_tests_meta[0].ordered_map; pprint_test_template[i].lossless_map = pprint_tests_meta[0].lossless_map; pprint_test_template[i].percpu_map = pprint_tests_meta[0].percpu_map; do_test_pprint(i); } } #define BPF_LINE_INFO_ENC(insn_off, file_off, line_off, line_num, line_col) \ (insn_off), (file_off), (line_off), ((line_num) << 10 | ((line_col) & 0x3ff)) static struct prog_info_raw_test { const char *descr; const char *str_sec; const char *err_str; __u32 raw_types[MAX_NR_RAW_U32]; __u32 str_sec_size; struct bpf_insn insns[MAX_INSNS]; __u32 prog_type; __u32 func_info[MAX_SUBPROGS][2]; __u32 func_info_rec_size; __u32 func_info_cnt; __u32 line_info[MAX_NR_RAW_U32]; __u32 line_info_rec_size; __u32 nr_jited_ksyms; bool expected_prog_load_failure; __u32 dead_code_cnt; __u32 dead_code_mask; __u32 dead_func_cnt; __u32 dead_func_mask; } info_raw_tests[] = { { .descr = "func_type (main func + one sub)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ BTF_END_RAW, }, .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), .insns = { BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), BPF_MOV64_IMM(BPF_REG_0, 2), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info = { {0, 5}, {3, 6} }, .func_info_rec_size = 8, .func_info_cnt = 2, .line_info = { BTF_END_RAW }, }, { .descr = "func_type (Incorrect func_info_rec_size)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ BTF_END_RAW, }, .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), .insns = { BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), BPF_MOV64_IMM(BPF_REG_0, 2), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info = { {0, 5}, {3, 6} }, .func_info_rec_size = 4, .func_info_cnt = 2, .line_info = { BTF_END_RAW }, .expected_prog_load_failure = true, }, { .descr = "func_type (Incorrect func_info_cnt)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ BTF_END_RAW, }, .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), .insns = { BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), BPF_MOV64_IMM(BPF_REG_0, 2), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info = { {0, 5}, {3, 6} }, .func_info_rec_size = 8, .func_info_cnt = 1, .line_info = { BTF_END_RAW }, .expected_prog_load_failure = true, }, { .descr = "func_type (Incorrect bpf_func_info.insn_off)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ BTF_END_RAW, }, .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), .insns = { BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), BPF_MOV64_IMM(BPF_REG_0, 2), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info = { {0, 5}, {2, 6} }, .func_info_rec_size = 8, .func_info_cnt = 2, .line_info = { BTF_END_RAW }, .expected_prog_load_failure = true, }, { .descr = "line_info (No subprog)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_MOV64_IMM(BPF_REG_1, 2), BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 0, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 1, }, { .descr = "line_info (No subprog. insn_off >= prog->len)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_MOV64_IMM(BPF_REG_1, 2), BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 0, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), BPF_LINE_INFO_ENC(4, 0, 0, 5, 6), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 1, .err_str = "line_info[4].insn_off", .expected_prog_load_failure = true, }, { .descr = "line_info (Zero bpf insn code)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), /* [2] */ BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [3] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0unsigned long\0u64\0u64 a=1;\0return a;"), .insns = { BPF_LD_IMM64(BPF_REG_0, 1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 0, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(1, 0, 0, 2, 9), BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 1, .err_str = "Invalid insn code at line_info[1]", .expected_prog_load_failure = true, }, { .descr = "line_info (No subprog. zero tailing line_info", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_MOV64_IMM(BPF_REG_1, 2), BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 0, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0, BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0, BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0, BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 0, BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32), .nr_jited_ksyms = 1, }, { .descr = "line_info (No subprog. nonzero tailing line_info)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_MOV64_IMM(BPF_REG_1, 2), BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 0, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0, BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0, BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0, BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 1, BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32), .nr_jited_ksyms = 1, .err_str = "nonzero tailing record in line_info", .expected_prog_load_failure = true, }, { .descr = "line_info (subprog)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), .insns = { BPF_MOV64_IMM(BPF_REG_2, 1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), BPF_CALL_REL(1), BPF_EXIT_INSN(), BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 0, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 2, }, { .descr = "line_info (subprog + func_info)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), .insns = { BPF_MOV64_IMM(BPF_REG_2, 1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), BPF_CALL_REL(1), BPF_EXIT_INSN(), BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 2, .func_info_rec_size = 8, .func_info = { {0, 4}, {5, 3} }, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 2, }, { .descr = "line_info (subprog. missing 1st func line info)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), .insns = { BPF_MOV64_IMM(BPF_REG_2, 1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), BPF_CALL_REL(1), BPF_EXIT_INSN(), BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 0, .line_info = { BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 2, .err_str = "missing bpf_line_info for func#0", .expected_prog_load_failure = true, }, { .descr = "line_info (subprog. missing 2nd func line info)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), .insns = { BPF_MOV64_IMM(BPF_REG_2, 1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), BPF_CALL_REL(1), BPF_EXIT_INSN(), BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 0, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 3, 8), BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 2, .err_str = "missing bpf_line_info for func#1", .expected_prog_load_failure = true, }, { .descr = "line_info (subprog. unordered insn offset)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), .insns = { BPF_MOV64_IMM(BPF_REG_2, 1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), BPF_CALL_REL(1), BPF_EXIT_INSN(), BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 0, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 2, .err_str = "Invalid line_info[2].insn_off", .expected_prog_load_failure = true, }, { .descr = "line_info (dead start)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0/* dead jmp */\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), .insns = { BPF_JMP_IMM(BPF_JA, 0, 0, 0), BPF_MOV64_IMM(BPF_REG_0, 1), BPF_MOV64_IMM(BPF_REG_1, 2), BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 0, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 6), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 1, .dead_code_cnt = 1, .dead_code_mask = 0x01, }, { .descr = "line_info (dead end)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0/* dead jmp */\0return a + b;\0/* dead exit */"), .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_MOV64_IMM(BPF_REG_1, 2), BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1), BPF_EXIT_INSN(), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 0, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 12), BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 11), BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 10), BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 9), BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 8), BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 6, 7), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 1, .dead_code_cnt = 2, .dead_code_mask = 0x28, }, { .descr = "line_info (dead code + subprog + func_info)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0/* dead jmp */" "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" "\0return func(a);\0b+=1;\0return b;"), .insns = { BPF_MOV64_IMM(BPF_REG_2, 1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 8), BPF_MOV64_IMM(BPF_REG_2, 1), BPF_MOV64_IMM(BPF_REG_2, 1), BPF_MOV64_IMM(BPF_REG_2, 1), BPF_MOV64_IMM(BPF_REG_2, 1), BPF_MOV64_IMM(BPF_REG_2, 1), BPF_MOV64_IMM(BPF_REG_2, 1), BPF_MOV64_IMM(BPF_REG_2, 1), BPF_MOV64_IMM(BPF_REG_2, 1), BPF_CALL_REL(1), BPF_EXIT_INSN(), BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 2, .func_info_rec_size = 8, .func_info = { {0, 4}, {14, 3} }, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(14, 0, NAME_TBD, 3, 8), BPF_LINE_INFO_ENC(16, 0, NAME_TBD, 4, 7), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 2, .dead_code_cnt = 9, .dead_code_mask = 0x3fe, }, { .descr = "line_info (dead subprog)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */" "\0return 0;\0return 0;\0/* dead */\0/* dead */" "\0/* dead */\0return bla + 1;\0return bla + 1;" "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"), .insns = { BPF_MOV64_IMM(BPF_REG_2, 1), BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), BPF_CALL_REL(3), BPF_CALL_REL(5), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_CALL_REL(1), BPF_EXIT_INSN(), BPF_MOV64_REG(BPF_REG_0, 2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 3, .func_info_rec_size = 8, .func_info = { {0, 4}, {6, 3}, {9, 5} }, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 2, .dead_code_cnt = 3, .dead_code_mask = 0x70, .dead_func_cnt = 1, .dead_func_mask = 0x2, }, { .descr = "line_info (dead last subprog)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0x\0dead\0main\0int a=1+1;\0/* live call */" "\0return 0;\0/* dead */\0/* dead */"), .insns = { BPF_MOV64_IMM(BPF_REG_2, 1), BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), BPF_CALL_REL(2), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 2, .func_info_rec_size = 8, .func_info = { {0, 4}, {5, 3} }, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 1, .dead_code_cnt = 2, .dead_code_mask = 0x18, .dead_func_cnt = 1, .dead_func_mask = 0x2, }, { .descr = "line_info (dead subprog + dead start)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* dead */" "\0return 0;\0return 0;\0return 0;" "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" "\0return b + 1;\0return b + 1;\0return b + 1;"), .insns = { BPF_JMP_IMM(BPF_JA, 0, 0, 0), BPF_MOV64_IMM(BPF_REG_2, 1), BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), BPF_CALL_REL(3), BPF_CALL_REL(5), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_CALL_REL(1), BPF_EXIT_INSN(), BPF_JMP_IMM(BPF_JA, 0, 0, 0), BPF_MOV64_REG(BPF_REG_0, 2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 3, .func_info_rec_size = 8, .func_info = { {0, 4}, {7, 3}, {10, 5} }, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), BPF_LINE_INFO_ENC(13, 0, NAME_TBD, 2, 9), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 2, .dead_code_cnt = 5, .dead_code_mask = 0x1e2, .dead_func_cnt = 1, .dead_func_mask = 0x2, }, { .descr = "line_info (dead subprog + dead start w/ move)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */" "\0return 0;\0return 0;\0/* dead */\0/* dead */" "\0/* dead */\0return bla + 1;\0return bla + 1;" "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"), .insns = { BPF_MOV64_IMM(BPF_REG_2, 1), BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), BPF_CALL_REL(3), BPF_CALL_REL(5), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_CALL_REL(1), BPF_EXIT_INSN(), BPF_JMP_IMM(BPF_JA, 0, 0, 0), BPF_MOV64_REG(BPF_REG_0, 2), BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 3, .func_info_rec_size = 8, .func_info = { {0, 4}, {6, 3}, {9, 5} }, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 2, .dead_code_cnt = 3, .dead_code_mask = 0x70, .dead_func_cnt = 1, .dead_func_mask = 0x2, }, { .descr = "line_info (dead end + subprog start w/ no linfo)", .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0x\0main\0func\0/* main linfo */\0/* func linfo */"), .insns = { BPF_MOV64_IMM(BPF_REG_0, 0), BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 1, 3), BPF_CALL_REL(3), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), BPF_EXIT_INSN(), BPF_JMP_IMM(BPF_JA, 0, 0, 0), BPF_EXIT_INSN(), }, .prog_type = BPF_PROG_TYPE_TRACEPOINT, .func_info_cnt = 2, .func_info_rec_size = 8, .func_info = { {0, 3}, {6, 4}, }, .line_info = { BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), BTF_END_RAW, }, .line_info_rec_size = sizeof(struct bpf_line_info), .nr_jited_ksyms = 2, }, }; static size_t probe_prog_length(const struct bpf_insn *fp) { size_t len; for (len = MAX_INSNS - 1; len > 0; --len) if (fp[len].code != 0 || fp[len].imm != 0) break; return len + 1; } static __u32 *patch_name_tbd(const __u32 *raw_u32, const char *str, __u32 str_off, unsigned int str_sec_size, unsigned int *ret_size) { int i, raw_u32_size = get_raw_sec_size(raw_u32); const char *end_str = str + str_sec_size; const char *next_str = str + str_off; __u32 *new_u32 = NULL; if (raw_u32_size == -1) return ERR_PTR(-EINVAL); if (!raw_u32_size) { *ret_size = 0; return NULL; } new_u32 = malloc(raw_u32_size); if (!new_u32) return ERR_PTR(-ENOMEM); for (i = 0; i < raw_u32_size / sizeof(raw_u32[0]); i++) { if (raw_u32[i] == NAME_TBD) { next_str = get_next_str(next_str, end_str); if (CHECK(!next_str, "Error in getting next_str\n")) { free(new_u32); return ERR_PTR(-EINVAL); } new_u32[i] = next_str - str; next_str += strlen(next_str); } else { new_u32[i] = raw_u32[i]; } } *ret_size = raw_u32_size; return new_u32; } static int test_get_finfo(const struct prog_info_raw_test *test, int prog_fd) { struct bpf_prog_info info = {}; struct bpf_func_info *finfo; __u32 info_len, rec_size, i; void *func_info = NULL; __u32 nr_func_info; int err; /* get necessary lens */ info_len = sizeof(struct bpf_prog_info); err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) { fprintf(stderr, "%s\n", btf_log_buf); return -1; } nr_func_info = test->func_info_cnt - test->dead_func_cnt; if (CHECK(info.nr_func_info != nr_func_info, "incorrect info.nr_func_info (1st) %d", info.nr_func_info)) { return -1; } rec_size = info.func_info_rec_size; if (CHECK(rec_size != sizeof(struct bpf_func_info), "incorrect info.func_info_rec_size (1st) %d", rec_size)) { return -1; } if (!info.nr_func_info) return 0; func_info = malloc(info.nr_func_info * rec_size); if (CHECK(!func_info, "out of memory")) return -1; /* reset info to only retrieve func_info related data */ memset(&info, 0, sizeof(info)); info.nr_func_info = nr_func_info; info.func_info_rec_size = rec_size; info.func_info = ptr_to_u64(func_info); err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) { fprintf(stderr, "%s\n", btf_log_buf); err = -1; goto done; } if (CHECK(info.nr_func_info != nr_func_info, "incorrect info.nr_func_info (2nd) %d", info.nr_func_info)) { err = -1; goto done; } if (CHECK(info.func_info_rec_size != rec_size, "incorrect info.func_info_rec_size (2nd) %d", info.func_info_rec_size)) { err = -1; goto done; } finfo = func_info; for (i = 0; i < nr_func_info; i++) { if (test->dead_func_mask & (1 << i)) continue; if (CHECK(finfo->type_id != test->func_info[i][1], "incorrect func_type %u expected %u", finfo->type_id, test->func_info[i][1])) { err = -1; goto done; } finfo = (void *)finfo + rec_size; } err = 0; done: free(func_info); return err; } static int test_get_linfo(const struct prog_info_raw_test *test, const void *patched_linfo, __u32 cnt, int prog_fd) { __u32 i, info_len, nr_jited_ksyms, nr_jited_func_lens; __u64 *jited_linfo = NULL, *jited_ksyms = NULL; __u32 rec_size, jited_rec_size, jited_cnt; struct bpf_line_info *linfo = NULL; __u32 cur_func_len, ksyms_found; struct bpf_prog_info info = {}; __u32 *jited_func_lens = NULL; __u64 cur_func_ksyms; __u32 dead_insns; int err; jited_cnt = cnt; rec_size = sizeof(*linfo); jited_rec_size = sizeof(*jited_linfo); if (test->nr_jited_ksyms) nr_jited_ksyms = test->nr_jited_ksyms; else nr_jited_ksyms = test->func_info_cnt - test->dead_func_cnt; nr_jited_func_lens = nr_jited_ksyms; info_len = sizeof(struct bpf_prog_info); err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); if (CHECK(err < 0, "err:%d errno:%d", err, errno)) { err = -1; goto done; } if (!info.jited_prog_len) { /* prog is not jited */ jited_cnt = 0; nr_jited_ksyms = 1; nr_jited_func_lens = 1; } if (CHECK(info.nr_line_info != cnt || info.nr_jited_line_info != jited_cnt || info.nr_jited_ksyms != nr_jited_ksyms || info.nr_jited_func_lens != nr_jited_func_lens || (!info.nr_line_info && info.nr_jited_line_info), "info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) nr_jited_ksyms:%u(expected:%u) nr_jited_func_lens:%u(expected:%u)", info.nr_line_info, cnt, info.nr_jited_line_info, jited_cnt, info.nr_jited_ksyms, nr_jited_ksyms, info.nr_jited_func_lens, nr_jited_func_lens)) { err = -1; goto done; } if (CHECK(info.line_info_rec_size != sizeof(struct bpf_line_info) || info.jited_line_info_rec_size != sizeof(__u64), "info: line_info_rec_size:%u(userspace expected:%u) jited_line_info_rec_size:%u(userspace expected:%u)", info.line_info_rec_size, rec_size, info.jited_line_info_rec_size, jited_rec_size)) { err = -1; goto done; } if (!cnt) return 0; rec_size = info.line_info_rec_size; jited_rec_size = info.jited_line_info_rec_size; memset(&info, 0, sizeof(info)); linfo = calloc(cnt, rec_size); if (CHECK(!linfo, "!linfo")) { err = -1; goto done; } info.nr_line_info = cnt; info.line_info_rec_size = rec_size; info.line_info = ptr_to_u64(linfo); if (jited_cnt) { jited_linfo = calloc(jited_cnt, jited_rec_size); jited_ksyms = calloc(nr_jited_ksyms, sizeof(*jited_ksyms)); jited_func_lens = calloc(nr_jited_func_lens, sizeof(*jited_func_lens)); if (CHECK(!jited_linfo || !jited_ksyms || !jited_func_lens, "jited_linfo:%p jited_ksyms:%p jited_func_lens:%p", jited_linfo, jited_ksyms, jited_func_lens)) { err = -1; goto done; } info.nr_jited_line_info = jited_cnt; info.jited_line_info_rec_size = jited_rec_size; info.jited_line_info = ptr_to_u64(jited_linfo); info.nr_jited_ksyms = nr_jited_ksyms; info.jited_ksyms = ptr_to_u64(jited_ksyms); info.nr_jited_func_lens = nr_jited_func_lens; info.jited_func_lens = ptr_to_u64(jited_func_lens); } err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); /* * Only recheck the info.*line_info* fields. * Other fields are not the concern of this test. */ if (CHECK(err < 0 || info.nr_line_info != cnt || (jited_cnt && !info.jited_line_info) || info.nr_jited_line_info != jited_cnt || info.line_info_rec_size != rec_size || info.jited_line_info_rec_size != jited_rec_size, "err:%d errno:%d info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) line_info_rec_size:%u(expected:%u) jited_linfo_rec_size:%u(expected:%u) line_info:%p jited_line_info:%p", err, errno, info.nr_line_info, cnt, info.nr_jited_line_info, jited_cnt, info.line_info_rec_size, rec_size, info.jited_line_info_rec_size, jited_rec_size, (void *)(long)info.line_info, (void *)(long)info.jited_line_info)) { err = -1; goto done; } dead_insns = 0; while (test->dead_code_mask & (1 << dead_insns)) dead_insns++; CHECK(linfo[0].insn_off, "linfo[0].insn_off:%u", linfo[0].insn_off); for (i = 1; i < cnt; i++) { const struct bpf_line_info *expected_linfo; while (test->dead_code_mask & (1 << (i + dead_insns))) dead_insns++; expected_linfo = patched_linfo + ((i + dead_insns) * test->line_info_rec_size); if (CHECK(linfo[i].insn_off <= linfo[i - 1].insn_off, "linfo[%u].insn_off:%u <= linfo[%u].insn_off:%u", i, linfo[i].insn_off, i - 1, linfo[i - 1].insn_off)) { err = -1; goto done; } if (CHECK(linfo[i].file_name_off != expected_linfo->file_name_off || linfo[i].line_off != expected_linfo->line_off || linfo[i].line_col != expected_linfo->line_col, "linfo[%u] (%u, %u, %u) != (%u, %u, %u)", i, linfo[i].file_name_off, linfo[i].line_off, linfo[i].line_col, expected_linfo->file_name_off, expected_linfo->line_off, expected_linfo->line_col)) { err = -1; goto done; } } if (!jited_cnt) { fprintf(stderr, "not jited. skipping jited_line_info check. "); err = 0; goto done; } if (CHECK(jited_linfo[0] != jited_ksyms[0], "jited_linfo[0]:%lx != jited_ksyms[0]:%lx", (long)(jited_linfo[0]), (long)(jited_ksyms[0]))) { err = -1; goto done; } ksyms_found = 1; cur_func_len = jited_func_lens[0]; cur_func_ksyms = jited_ksyms[0]; for (i = 1; i < jited_cnt; i++) { if (ksyms_found < nr_jited_ksyms && jited_linfo[i] == jited_ksyms[ksyms_found]) { cur_func_ksyms = jited_ksyms[ksyms_found]; cur_func_len = jited_ksyms[ksyms_found]; ksyms_found++; continue; } if (CHECK(jited_linfo[i] <= jited_linfo[i - 1], "jited_linfo[%u]:%lx <= jited_linfo[%u]:%lx", i, (long)jited_linfo[i], i - 1, (long)(jited_linfo[i - 1]))) { err = -1; goto done; } if (CHECK(jited_linfo[i] - cur_func_ksyms > cur_func_len, "jited_linfo[%u]:%lx - %lx > %u", i, (long)jited_linfo[i], (long)cur_func_ksyms, cur_func_len)) { err = -1; goto done; } } if (CHECK(ksyms_found != nr_jited_ksyms, "ksyms_found:%u != nr_jited_ksyms:%u", ksyms_found, nr_jited_ksyms)) { err = -1; goto done; } err = 0; done: free(linfo); free(jited_linfo); free(jited_ksyms); free(jited_func_lens); return err; } static void do_test_info_raw(unsigned int test_num) { const struct prog_info_raw_test *test = &info_raw_tests[test_num - 1]; unsigned int raw_btf_size, linfo_str_off, linfo_size = 0; int btf_fd = -1, prog_fd = -1, err = 0; void *raw_btf, *patched_linfo = NULL; const char *ret_next_str; union bpf_attr attr = {}; if (!test__start_subtest(test->descr)) return; raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, test->str_sec, test->str_sec_size, &raw_btf_size, &ret_next_str); if (!raw_btf) return; *btf_log_buf = '\0'; btf_fd = load_raw_btf(raw_btf, raw_btf_size); free(raw_btf); if (CHECK(btf_fd < 0, "invalid btf_fd errno:%d", errno)) { err = -1; goto done; } if (*btf_log_buf && always_log) fprintf(stderr, "\n%s", btf_log_buf); *btf_log_buf = '\0'; linfo_str_off = ret_next_str - test->str_sec; patched_linfo = patch_name_tbd(test->line_info, test->str_sec, linfo_str_off, test->str_sec_size, &linfo_size); err = libbpf_get_error(patched_linfo); if (err) { fprintf(stderr, "error in creating raw bpf_line_info"); err = -1; goto done; } attr.prog_type = test->prog_type; attr.insns = ptr_to_u64(test->insns); attr.insn_cnt = probe_prog_length(test->insns); attr.license = ptr_to_u64("GPL"); attr.prog_btf_fd = btf_fd; attr.func_info_rec_size = test->func_info_rec_size; attr.func_info_cnt = test->func_info_cnt; attr.func_info = ptr_to_u64(test->func_info); attr.log_buf = ptr_to_u64(btf_log_buf); attr.log_size = BTF_LOG_BUF_SIZE; attr.log_level = 1; if (linfo_size) { attr.line_info_rec_size = test->line_info_rec_size; attr.line_info = ptr_to_u64(patched_linfo); attr.line_info_cnt = linfo_size / attr.line_info_rec_size; } prog_fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)); err = ((prog_fd < 0) != test->expected_prog_load_failure); if (CHECK(err, "prog_fd:%d expected_prog_load_failure:%u errno:%d", prog_fd, test->expected_prog_load_failure, errno) || CHECK(test->err_str && !strstr(btf_log_buf, test->err_str), "expected err_str:%s", test->err_str)) { err = -1; goto done; } if (prog_fd < 0) goto done; err = test_get_finfo(test, prog_fd); if (err) goto done; err = test_get_linfo(test, patched_linfo, attr.line_info_cnt - test->dead_code_cnt, prog_fd); if (err) goto done; done: if (*btf_log_buf && (err || always_log)) fprintf(stderr, "\n%s", btf_log_buf); if (btf_fd >= 0) close(btf_fd); if (prog_fd >= 0) close(prog_fd); if (!libbpf_get_error(patched_linfo)) free(patched_linfo); } struct btf_raw_data { __u32 raw_types[MAX_NR_RAW_U32]; const char *str_sec; __u32 str_sec_size; }; struct btf_dedup_test { const char *descr; struct btf_raw_data input; struct btf_raw_data expect; struct btf_dedup_opts opts; }; static struct btf_dedup_test dedup_tests[] = { { .descr = "dedup: unused strings filtering", .input = { .raw_types = { BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 4), BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 64, 8), BTF_END_RAW, }, BTF_STR_SEC("\0unused\0int\0foo\0bar\0long"), }, .expect = { .raw_types = { BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), BTF_END_RAW, }, BTF_STR_SEC("\0int\0long"), }, }, { .descr = "dedup: strings deduplication", .input = { .raw_types = { BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), BTF_TYPE_INT_ENC(NAME_NTH(3), BTF_INT_SIGNED, 0, 32, 4), BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 64, 8), BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), BTF_END_RAW, }, BTF_STR_SEC("\0int\0long int\0int\0long int\0int"), }, .expect = { .raw_types = { BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), BTF_END_RAW, }, BTF_STR_SEC("\0int\0long int"), }, }, { .descr = "dedup: struct example #1", /* * struct s { * struct s *next; * const int *a; * int b[16]; * int c; * } */ .input = { .raw_types = { /* int */ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* int[16] */ BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */ /* struct s { */ BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [3] */ BTF_MEMBER_ENC(NAME_NTH(3), 4, 0), /* struct s *next; */ BTF_MEMBER_ENC(NAME_NTH(4), 5, 64), /* const int *a; */ BTF_MEMBER_ENC(NAME_NTH(5), 2, 128), /* int b[16]; */ BTF_MEMBER_ENC(NAME_NTH(6), 1, 640), /* int c; */ BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), /* float d; */ /* ptr -> [3] struct s */ BTF_PTR_ENC(3), /* [4] */ /* ptr -> [6] const int */ BTF_PTR_ENC(6), /* [5] */ /* const -> [1] int */ BTF_CONST_ENC(1), /* [6] */ /* tag -> [3] struct s */ BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */ /* tag -> [3] struct s, member 1 */ BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */ /* full copy of the above */ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [9] */ BTF_TYPE_ARRAY_ENC(9, 9, 16), /* [10] */ BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [11] */ BTF_MEMBER_ENC(NAME_NTH(3), 12, 0), BTF_MEMBER_ENC(NAME_NTH(4), 13, 64), BTF_MEMBER_ENC(NAME_NTH(5), 10, 128), BTF_MEMBER_ENC(NAME_NTH(6), 9, 640), BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), BTF_PTR_ENC(11), /* [12] */ BTF_PTR_ENC(14), /* [13] */ BTF_CONST_ENC(9), /* [14] */ BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [15] */ BTF_DECL_TAG_ENC(NAME_NTH(2), 11, -1), /* [16] */ BTF_DECL_TAG_ENC(NAME_NTH(2), 11, 1), /* [17] */ BTF_END_RAW, }, BTF_STR_SEC("\0int\0s\0next\0a\0b\0c\0float\0d"), }, .expect = { .raw_types = { /* int */ BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* int[16] */ BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */ /* struct s { */ BTF_STRUCT_ENC(NAME_NTH(8), 5, 88), /* [3] */ BTF_MEMBER_ENC(NAME_NTH(7), 4, 0), /* struct s *next; */ BTF_MEMBER_ENC(NAME_NTH(1), 5, 64), /* const int *a; */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 128), /* int b[16]; */ BTF_MEMBER_ENC(NAME_NTH(3), 1, 640), /* int c; */ BTF_MEMBER_ENC(NAME_NTH(4), 9, 672), /* float d; */ /* ptr -> [3] struct s */ BTF_PTR_ENC(3), /* [4] */ /* ptr -> [6] const int */ BTF_PTR_ENC(6), /* [5] */ /* const -> [1] int */ BTF_CONST_ENC(1), /* [6] */ BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */ BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */ BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [9] */ BTF_END_RAW, }, BTF_STR_SEC("\0a\0b\0c\0d\0int\0float\0next\0s"), }, }, { .descr = "dedup: struct <-> fwd resolution w/ hash collision", /* * // CU 1: * struct x; * struct s { * struct x *x; * }; * // CU 2: * struct x {}; * struct s { * struct x *x; * }; */ .input = { .raw_types = { /* CU 1 */ BTF_FWD_ENC(NAME_TBD, 0 /* struct fwd */), /* [1] fwd x */ BTF_PTR_ENC(1), /* [2] ptr -> [1] */ BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] struct s */ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* CU 2 */ BTF_STRUCT_ENC(NAME_TBD, 0, 0), /* [4] struct x */ BTF_PTR_ENC(4), /* [5] ptr -> [4] */ BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [6] struct s */ BTF_MEMBER_ENC(NAME_TBD, 5, 0), BTF_END_RAW, }, BTF_STR_SEC("\0x\0s\0x\0x\0s\0x\0"), }, .expect = { .raw_types = { BTF_PTR_ENC(3), /* [1] ptr -> [3] */ BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [2] struct s */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_STRUCT_ENC(NAME_NTH(2), 0, 0), /* [3] struct x */ BTF_END_RAW, }, BTF_STR_SEC("\0s\0x"), }, .opts = { .force_collisions = true, /* force hash collisions */ }, }, { .descr = "dedup: void equiv check", /* * // CU 1: * struct s { * struct {} *x; * }; * // CU 2: * struct s { * int *x; * }; */ .input = { .raw_types = { /* CU 1 */ BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */ BTF_PTR_ENC(1), /* [2] ptr -> [1] */ BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), /* CU 2 */ BTF_PTR_ENC(0), /* [4] ptr -> void */ BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */ BTF_MEMBER_ENC(NAME_NTH(2), 4, 0), BTF_END_RAW, }, BTF_STR_SEC("\0s\0x"), }, .expect = { .raw_types = { /* CU 1 */ BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */ BTF_PTR_ENC(1), /* [2] ptr -> [1] */ BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), /* CU 2 */ BTF_PTR_ENC(0), /* [4] ptr -> void */ BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */ BTF_MEMBER_ENC(NAME_NTH(2), 4, 0), BTF_END_RAW, }, BTF_STR_SEC("\0s\0x"), }, .opts = { .force_collisions = true, /* force hash collisions */ }, }, { .descr = "dedup: all possible kinds (no duplicates)", .input = { .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */ BTF_ENUM_ENC(NAME_TBD, 0), BTF_ENUM_ENC(NAME_TBD, 1), BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */ BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */ BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */ BTF_PTR_ENC(0), /* [8] ptr */ BTF_CONST_ENC(8), /* [9] const */ BTF_VOLATILE_ENC(8), /* [10] volatile */ BTF_RESTRICT_ENC(8), /* [11] restrict */ BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */ BTF_ENUM64_ENC(NAME_TBD, 0, 0), BTF_ENUM64_ENC(NAME_TBD, 1, 1), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"), }, .expect = { .raw_types = { BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */ BTF_ENUM_ENC(NAME_TBD, 0), BTF_ENUM_ENC(NAME_TBD, 1), BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */ BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */ BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */ BTF_MEMBER_ENC(NAME_TBD, 1, 0), BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */ BTF_PTR_ENC(0), /* [8] ptr */ BTF_CONST_ENC(8), /* [9] const */ BTF_VOLATILE_ENC(8), /* [10] volatile */ BTF_RESTRICT_ENC(8), /* [11] restrict */ BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */ BTF_ENUM64_ENC(NAME_TBD, 0, 0), BTF_ENUM64_ENC(NAME_TBD, 1, 1), BTF_END_RAW, }, BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"), }, }, { .descr = "dedup: no int/float duplicates", .input = { .raw_types = { BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8), /* different name */ BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8), /* different encoding */ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8), BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8), /* different bit offset */ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8), /* different bit size */ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8), /* different byte size */ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* all allowed sizes */ BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2), BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4), BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8), BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12), BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16), BTF_END_RAW, }, BTF_STR_SEC("\0int\0some other int\0float"), }, .expect = { .raw_types = { BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8), /* different name */ BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8), /* different encoding */ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8), BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8), /* different bit offset */ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8), /* different bit size */ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8), /* different byte size */ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* all allowed sizes */ BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2), BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4), BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8), BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12), BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16), BTF_END_RAW, }, BTF_STR_SEC("\0int\0some other int\0float"), }, }, { .descr = "dedup: enum fwd resolution", .input = { .raw_types = { /* [1] fwd enum 'e1' before full enum */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), /* [2] full enum 'e1' after fwd */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(2), 123), /* [3] full enum 'e2' before fwd */ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(4), 456), /* [4] fwd enum 'e2' after full enum */ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), /* [5] fwd enum with different size, size does not matter for fwd */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1), /* [6] incompatible full enum with different value */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(2), 321), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), }, .expect = { .raw_types = { /* [1] full enum 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(2), 123), /* [2] full enum 'e2' */ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(4), 456), /* [3] incompatible full enum with different value */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(2), 321), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), }, }, { .descr = "dedup: datasec and vars pass-through", .input = { .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* static int t */ BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */ /* .bss section */ /* [3] */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(2, 0, 4), /* int, referenced from [5] */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */ /* another static int t */ BTF_VAR_ENC(NAME_NTH(2), 4, 0), /* [5] */ /* another .bss section */ /* [6] */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(5, 0, 4), BTF_END_RAW, }, BTF_STR_SEC("\0.bss\0t"), }, .expect = { .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* static int t */ BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */ /* .bss section */ /* [3] */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(2, 0, 4), /* another static int t */ BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [4] */ /* another .bss section */ /* [5] */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), BTF_VAR_SECINFO_ENC(4, 0, 4), BTF_END_RAW, }, BTF_STR_SEC("\0.bss\0t"), }, .opts = { .force_collisions = true }, }, { .descr = "dedup: func/func_arg/var tags", .input = { .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* static int t */ BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */ /* void f(int a1, int a2) */ BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1), BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */ /* tag -> t */ BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [6] */ /* tag -> func */ BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [7] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [8] */ /* tag -> func arg a1 */ BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [9] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [10] */ BTF_END_RAW, }, BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"), }, .expect = { .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */ BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1), BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [6] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [7] */ BTF_END_RAW, }, BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"), }, }, { .descr = "dedup: func/func_param tags", .input = { .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ /* void f(int a1, int a2) */ BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */ /* void f(int a1, int a2) */ BTF_FUNC_PROTO_ENC(0, 2), /* [4] */ BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), BTF_FUNC_ENC(NAME_NTH(3), 4), /* [5] */ /* tag -> f: tag1, tag2 */ BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [6] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [7] */ /* tag -> f/a2: tag1, tag2 */ BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [8] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [9] */ /* tag -> f: tag1, tag3 */ BTF_DECL_TAG_ENC(NAME_NTH(4), 5, -1), /* [10] */ BTF_DECL_TAG_ENC(NAME_NTH(6), 5, -1), /* [11] */ /* tag -> f/a2: tag1, tag3 */ BTF_DECL_TAG_ENC(NAME_NTH(4), 5, 1), /* [12] */ BTF_DECL_TAG_ENC(NAME_NTH(6), 5, 1), /* [13] */ BTF_END_RAW, }, BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"), }, .expect = { .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */ BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [4] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [5] */ BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [6] */ BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [7] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [8] */ BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [9] */ BTF_END_RAW, }, BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"), }, }, { .descr = "dedup: struct/struct_member tags", .input = { .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */ BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [3] */ BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), /* tag -> t: tag1, tag2 */ BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [4] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ /* tag -> t/m2: tag1, tag2 */ BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */ /* tag -> t: tag1, tag3 */ BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [8] */ BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [9] */ /* tag -> t/m2: tag1, tag3 */ BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [10] */ BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [11] */ BTF_END_RAW, }, BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), }, .expect = { .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */ BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [3] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [4] */ BTF_DECL_TAG_ENC(NAME_NTH(6), 2, -1), /* [5] */ BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */ BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */ BTF_DECL_TAG_ENC(NAME_NTH(6), 2, 1), /* [8] */ BTF_END_RAW, }, BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), }, }, { .descr = "dedup: typedef tags", .input = { .raw_types = { /* int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [3] */ /* tag -> t: tag1, tag2 */ BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [4] */ BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [5] */ /* tag -> t: tag1, tag3 */ BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [6] */ BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [7] */ BTF_END_RAW, }, BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"), }, .expect = { .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [3] */ BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [4] */ BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"), }, }, { .descr = "dedup: btf_type_tag #1", .input = { .raw_types = { /* ptr -> tag2 -> tag1 -> int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ BTF_PTR_ENC(3), /* [4] */ /* ptr -> tag2 -> tag1 -> int */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [5] */ BTF_TYPE_TAG_ENC(NAME_NTH(2), 5), /* [6] */ BTF_PTR_ENC(6), /* [7] */ /* ptr -> tag1 -> int */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [8] */ BTF_PTR_ENC(8), /* [9] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag1\0tag2"), }, .expect = { .raw_types = { /* ptr -> tag2 -> tag1 -> int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ BTF_PTR_ENC(3), /* [4] */ /* ptr -> tag1 -> int */ BTF_PTR_ENC(2), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag1\0tag2"), }, }, { .descr = "dedup: btf_type_tag #2", .input = { .raw_types = { /* ptr -> tag2 -> tag1 -> int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ BTF_PTR_ENC(3), /* [4] */ /* ptr -> tag2 -> int */ BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ BTF_PTR_ENC(5), /* [6] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag1\0tag2"), }, .expect = { .raw_types = { /* ptr -> tag2 -> tag1 -> int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ BTF_PTR_ENC(3), /* [4] */ /* ptr -> tag2 -> int */ BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ BTF_PTR_ENC(5), /* [6] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag1\0tag2"), }, }, { .descr = "dedup: btf_type_tag #3", .input = { .raw_types = { /* ptr -> tag2 -> tag1 -> int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ BTF_PTR_ENC(3), /* [4] */ /* ptr -> tag1 -> tag2 -> int */ BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ BTF_PTR_ENC(6), /* [7] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag1\0tag2"), }, .expect = { .raw_types = { /* ptr -> tag2 -> tag1 -> int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ BTF_PTR_ENC(3), /* [4] */ /* ptr -> tag1 -> tag2 -> int */ BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ BTF_PTR_ENC(6), /* [7] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag1\0tag2"), }, }, { .descr = "dedup: btf_type_tag #4", .input = { .raw_types = { /* ptr -> tag1 -> int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ BTF_PTR_ENC(2), /* [3] */ /* ptr -> tag1 -> long */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ BTF_PTR_ENC(5), /* [6] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag1"), }, .expect = { .raw_types = { /* ptr -> tag1 -> int */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ BTF_PTR_ENC(2), /* [3] */ /* ptr -> tag1 -> long */ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ BTF_PTR_ENC(5), /* [6] */ BTF_END_RAW, }, BTF_STR_SEC("\0tag1"), }, }, { .descr = "dedup: btf_type_tag #5, struct", .input = { .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [4] */ BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [5] */ BTF_MEMBER_ENC(NAME_NTH(3), 4, BTF_MEMBER_OFFSET(0, 0)), BTF_END_RAW, }, BTF_STR_SEC("\0tag1\0t\0m"), }, .expect = { .raw_types = { BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), BTF_END_RAW, }, BTF_STR_SEC("\0tag1\0t\0m"), }, }, { .descr = "dedup: enum64, standalone", .input = { .raw_types = { BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val"), }, .expect = { .raw_types = { BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val"), }, }, { .descr = "dedup: enum64, fwd resolution", .input = { .raw_types = { /* [1] fwd enum64 'e1' before full enum */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8), /* [2] full enum64 'e1' after fwd */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), /* [3] full enum64 'e2' before fwd */ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), BTF_ENUM64_ENC(NAME_NTH(4), 0, 456), /* [4] fwd enum64 'e2' after full enum */ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8), /* [5] incompatible full enum64 with different value */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), BTF_ENUM64_ENC(NAME_NTH(2), 0, 321), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), }, .expect = { .raw_types = { /* [1] full enum64 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), /* [2] full enum64 'e2' */ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), BTF_ENUM64_ENC(NAME_NTH(4), 0, 456), /* [3] incompatible full enum64 with different value */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), BTF_ENUM64_ENC(NAME_NTH(2), 0, 321), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), }, }, { .descr = "dedup: enum and enum64, no dedup", .input = { .raw_types = { /* [1] enum 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(2), 1), /* [2] enum64 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4), BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val"), }, .expect = { .raw_types = { /* [1] enum 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(2), 1), /* [2] enum64 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4), BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val"), }, }, { .descr = "dedup: enum of different size: no dedup", .input = { .raw_types = { /* [1] enum 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(2), 1), /* [2] enum 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2), BTF_ENUM_ENC(NAME_NTH(2), 1), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val"), }, .expect = { .raw_types = { /* [1] enum 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(2), 1), /* [2] enum 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2), BTF_ENUM_ENC(NAME_NTH(2), 1), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val"), }, }, { .descr = "dedup: enum fwd to enum64", .input = { .raw_types = { /* [1] enum64 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), /* [2] enum 'e1' fwd */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), /* [3] typedef enum 'e1' td */ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val\0td"), }, .expect = { .raw_types = { /* [1] enum64 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), /* [2] typedef enum 'e1' td */ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val\0td"), }, }, { .descr = "dedup: enum64 fwd to enum", .input = { .raw_types = { /* [1] enum 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(2), 1), /* [2] enum64 'e1' fwd */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8), /* [3] typedef enum 'e1' td */ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val\0td"), }, .expect = { .raw_types = { /* [1] enum 'e1' */ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), BTF_ENUM_ENC(NAME_NTH(2), 1), /* [2] typedef enum 'e1' td */ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1), BTF_END_RAW, }, BTF_STR_SEC("\0e1\0e1_val\0td"), }, }, { .descr = "dedup: standalone fwd declaration struct", /* * Verify that CU1:foo and CU2:foo would be unified and that * typedef/ptr would be updated to point to CU1:foo. * * // CU 1: * struct foo { int x; }; * * // CU 2: * struct foo; * typedef struct foo *foo_ptr; */ .input = { .raw_types = { /* CU 1 */ BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ /* CU 2 */ BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */ BTF_PTR_ENC(3), /* [4] */ BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0foo\0x\0foo_ptr"), }, .expect = { .raw_types = { BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ BTF_PTR_ENC(1), /* [3] */ BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */ BTF_END_RAW, }, BTF_STR_SEC("\0foo\0x\0foo_ptr"), }, }, { .descr = "dedup: standalone fwd declaration union", /* * Verify that CU1:foo and CU2:foo would be unified and that * typedef/ptr would be updated to point to CU1:foo. * Same as "dedup: standalone fwd declaration struct" but for unions. * * // CU 1: * union foo { int x; }; * * // CU 2: * union foo; * typedef union foo *foo_ptr; */ .input = { .raw_types = { /* CU 1 */ BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ /* CU 2 */ BTF_FWD_ENC(NAME_TBD, 1), /* [3] */ BTF_PTR_ENC(3), /* [4] */ BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0foo\0x\0foo_ptr"), }, .expect = { .raw_types = { BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ BTF_PTR_ENC(1), /* [3] */ BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */ BTF_END_RAW, }, BTF_STR_SEC("\0foo\0x\0foo_ptr"), }, }, { .descr = "dedup: standalone fwd declaration wrong kind", /* * Negative test for btf_dedup_resolve_fwds: * - CU1:foo is a struct, C2:foo is a union, thus CU2:foo is not deduped; * - typedef/ptr should remain unchanged as well. * * // CU 1: * struct foo { int x; }; * * // CU 2: * union foo; * typedef union foo *foo_ptr; */ .input = { .raw_types = { /* CU 1 */ BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ /* CU 2 */ BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */ BTF_PTR_ENC(3), /* [4] */ BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0foo\0x\0foo_ptr"), }, .expect = { .raw_types = { /* CU 1 */ BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ /* CU 2 */ BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */ BTF_PTR_ENC(3), /* [4] */ BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ BTF_END_RAW, }, BTF_STR_SEC("\0foo\0x\0foo_ptr"), }, }, { .descr = "dedup: standalone fwd declaration name conflict", /* * Negative test for btf_dedup_resolve_fwds: * - two candidates for CU2:foo dedup, thus it is unchanged; * - typedef/ptr should remain unchanged as well. * * // CU 1: * struct foo { int x; }; * * // CU 2: * struct foo; * typedef struct foo *foo_ptr; * * // CU 3: * struct foo { int x; int y; }; */ .input = { .raw_types = { /* CU 1 */ BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ /* CU 2 */ BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */ BTF_PTR_ENC(3), /* [4] */ BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */ /* CU 3 */ BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), BTF_MEMBER_ENC(NAME_NTH(3), 2, 0), BTF_END_RAW, }, BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"), }, .expect = { .raw_types = { /* CU 1 */ BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ /* CU 2 */ BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */ BTF_PTR_ENC(3), /* [4] */ BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */ /* CU 3 */ BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), BTF_MEMBER_ENC(NAME_NTH(3), 2, 0), BTF_END_RAW, }, BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"), }, }, }; static int btf_type_size(const struct btf_type *t) { int base_size = sizeof(struct btf_type); __u16 vlen = BTF_INFO_VLEN(t->info); __u16 kind = BTF_INFO_KIND(t->info); switch (kind) { case BTF_KIND_FWD: case BTF_KIND_CONST: case BTF_KIND_VOLATILE: case BTF_KIND_RESTRICT: case BTF_KIND_PTR: case BTF_KIND_TYPEDEF: case BTF_KIND_FUNC: case BTF_KIND_FLOAT: case BTF_KIND_TYPE_TAG: return base_size; case BTF_KIND_INT: return base_size + sizeof(__u32); case BTF_KIND_ENUM: return base_size + vlen * sizeof(struct btf_enum); case BTF_KIND_ENUM64: return base_size + vlen * sizeof(struct btf_enum64); case BTF_KIND_ARRAY: return base_size + sizeof(struct btf_array); case BTF_KIND_STRUCT: case BTF_KIND_UNION: return base_size + vlen * sizeof(struct btf_member); case BTF_KIND_FUNC_PROTO: return base_size + vlen * sizeof(struct btf_param); case BTF_KIND_VAR: return base_size + sizeof(struct btf_var); case BTF_KIND_DATASEC: return base_size + vlen * sizeof(struct btf_var_secinfo); case BTF_KIND_DECL_TAG: return base_size + sizeof(struct btf_decl_tag); default: fprintf(stderr, "Unsupported BTF_KIND:%u\n", kind); return -EINVAL; } } static void dump_btf_strings(const char *strs, __u32 len) { const char *cur = strs; int i = 0; while (cur < strs + len) { fprintf(stderr, "string #%d: '%s'\n", i, cur); cur += strlen(cur) + 1; i++; } } static void do_test_dedup(unsigned int test_num) { struct btf_dedup_test *test = &dedup_tests[test_num - 1]; __u32 test_nr_types, expect_nr_types, test_btf_size, expect_btf_size; const struct btf_header *test_hdr, *expect_hdr; struct btf *test_btf = NULL, *expect_btf = NULL; const void *test_btf_data, *expect_btf_data; const char *ret_test_next_str, *ret_expect_next_str; const char *test_strs, *expect_strs; const char *test_str_cur; const char *expect_str_cur, *expect_str_end; unsigned int raw_btf_size; void *raw_btf; int err = 0, i; if (!test__start_subtest(test->descr)) return; raw_btf = btf_raw_create(&hdr_tmpl, test->input.raw_types, test->input.str_sec, test->input.str_sec_size, &raw_btf_size, &ret_test_next_str); if (!raw_btf) return; test_btf = btf__new((__u8 *)raw_btf, raw_btf_size); err = libbpf_get_error(test_btf); free(raw_btf); if (CHECK(err, "invalid test_btf errno:%d", err)) { err = -1; goto done; } raw_btf = btf_raw_create(&hdr_tmpl, test->expect.raw_types, test->expect.str_sec, test->expect.str_sec_size, &raw_btf_size, &ret_expect_next_str); if (!raw_btf) return; expect_btf = btf__new((__u8 *)raw_btf, raw_btf_size); err = libbpf_get_error(expect_btf); free(raw_btf); if (CHECK(err, "invalid expect_btf errno:%d", err)) { err = -1; goto done; } test->opts.sz = sizeof(test->opts); err = btf__dedup(test_btf, &test->opts); if (CHECK(err, "btf_dedup failed errno:%d", err)) { err = -1; goto done; } test_btf_data = btf__raw_data(test_btf, &test_btf_size); expect_btf_data = btf__raw_data(expect_btf, &expect_btf_size); if (CHECK(test_btf_size != expect_btf_size, "test_btf_size:%u != expect_btf_size:%u", test_btf_size, expect_btf_size)) { err = -1; goto done; } test_hdr = test_btf_data; test_strs = test_btf_data + sizeof(*test_hdr) + test_hdr->str_off; expect_hdr = expect_btf_data; expect_strs = expect_btf_data + sizeof(*test_hdr) + expect_hdr->str_off; if (CHECK(test_hdr->str_len != expect_hdr->str_len, "test_hdr->str_len:%u != expect_hdr->str_len:%u", test_hdr->str_len, expect_hdr->str_len)) { fprintf(stderr, "\ntest strings:\n"); dump_btf_strings(test_strs, test_hdr->str_len); fprintf(stderr, "\nexpected strings:\n"); dump_btf_strings(expect_strs, expect_hdr->str_len); err = -1; goto done; } expect_str_cur = expect_strs; expect_str_end = expect_strs + expect_hdr->str_len; while (expect_str_cur < expect_str_end) { size_t test_len, expect_len; int off; off = btf__find_str(test_btf, expect_str_cur); if (CHECK(off < 0, "exp str '%s' not found: %d\n", expect_str_cur, off)) { err = -1; goto done; } test_str_cur = btf__str_by_offset(test_btf, off); test_len = strlen(test_str_cur); expect_len = strlen(expect_str_cur); if (CHECK(test_len != expect_len, "test_len:%zu != expect_len:%zu " "(test_str:%s, expect_str:%s)", test_len, expect_len, test_str_cur, expect_str_cur)) { err = -1; goto done; } if (CHECK(strcmp(test_str_cur, expect_str_cur), "test_str:%s != expect_str:%s", test_str_cur, expect_str_cur)) { err = -1; goto done; } expect_str_cur += expect_len + 1; } test_nr_types = btf__type_cnt(test_btf); expect_nr_types = btf__type_cnt(expect_btf); if (CHECK(test_nr_types != expect_nr_types, "test_nr_types:%u != expect_nr_types:%u", test_nr_types, expect_nr_types)) { err = -1; goto done; } for (i = 1; i < test_nr_types; i++) { const struct btf_type *test_type, *expect_type; int test_size, expect_size; test_type = btf__type_by_id(test_btf, i); expect_type = btf__type_by_id(expect_btf, i); test_size = btf_type_size(test_type); expect_size = btf_type_size(expect_type); if (CHECK(test_size != expect_size, "type #%d: test_size:%d != expect_size:%u", i, test_size, expect_size)) { err = -1; goto done; } if (CHECK(btf_kind(test_type) != btf_kind(expect_type), "type %d kind: exp %d != got %u\n", i, btf_kind(expect_type), btf_kind(test_type))) { err = -1; goto done; } if (CHECK(test_type->info != expect_type->info, "type %d info: exp %d != got %u\n", i, expect_type->info, test_type->info)) { err = -1; goto done; } if (CHECK(test_type->size != expect_type->size, "type %d size/type: exp %d != got %u\n", i, expect_type->size, test_type->size)) { err = -1; goto done; } } done: btf__free(test_btf); btf__free(expect_btf); } void test_btf(void) { int i; always_log = env.verbosity > VERBOSE_NONE; for (i = 1; i <= ARRAY_SIZE(raw_tests); i++) do_test_raw(i); for (i = 1; i <= ARRAY_SIZE(get_info_tests); i++) do_test_get_info(i); for (i = 1; i <= ARRAY_SIZE(file_tests); i++) do_test_file(i); for (i = 1; i <= ARRAY_SIZE(info_raw_tests); i++) do_test_info_raw(i); for (i = 1; i <= ARRAY_SIZE(dedup_tests); i++) do_test_dedup(i); test_pprint(); }
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1