{"id":6657,"date":"2026-04-13T11:50:50","date_gmt":"2026-04-13T11:50:50","guid":{"rendered":"http:\/\/the-codest.localhost\/dictionary\/stack-pointer\/"},"modified":"2026-04-13T11:50:50","modified_gmt":"2026-04-13T11:50:50","slug":"ukazatel-zasobniku","status":"publish","type":"dictionary","link":"https:\/\/thecodest.co\/cs\/dictionary\/stack-pointer\/","title":{"rendered":"Ukazatel z\u00e1sobn\u00edku"},"content":{"rendered":"

Ukazatel z\u00e1sobn\u00edku<\/h1>\n

Ukazatel z\u00e1sobn\u00edku je kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed po\u010d\u00edta\u010dov\u00e9 architektury, kter\u00e1 je zodpov\u011bdn\u00e1 za spr\u00e1vu z\u00e1sobn\u00edku. data<\/a> struktura. Z\u00e1sobn\u00edk je oblast pam\u011bti, kterou po\u010d\u00edta\u010dov\u00e9 programy pou\u017e\u00edvaj\u00ed k ukl\u00e1d\u00e1n\u00ed do\u010dasn\u00fdch dat, jako jsou r\u00e1mce vol\u00e1n\u00ed funkc\u00ed, m\u00edstn\u00ed prom\u011bnn\u00e9 a n\u00e1vratov\u00e9 adresy. Ukazatel na z\u00e1sobn\u00edk je registr, kter\u00fd uchov\u00e1v\u00e1 pam\u011b\u0165ovou adresu vrcholu z\u00e1sobn\u00edku, co\u017e je m\u00edsto, kam bude ze z\u00e1sobn\u00edku vysunuta nebo vysunuta dal\u0161\u00ed polo\u017eka.<\/p>\n

Ukazatel z\u00e1sobn\u00edku je obvykle implementov\u00e1n jako speci\u00e1ln\u00ed registr v procesoru, kter\u00fd opera\u010dn\u00ed syst\u00e9m a p\u0159eklada\u010d pou\u017e\u00edvaj\u00ed ke spr\u00e1v\u011b z\u00e1sobn\u00edku. P\u0159i vol\u00e1n\u00ed funkce se ukazatel z\u00e1sobn\u00edku pou\u017e\u00edv\u00e1 k p\u0159id\u011blen\u00ed m\u00edsta na z\u00e1sobn\u00edku pro lok\u00e1ln\u00ed prom\u011bnn\u00e9 funkce a k ulo\u017een\u00ed n\u00e1vratov\u00e9 adresy. Kdy\u017e se funkce vr\u00e1t\u00ed, je ukazatel z\u00e1sobn\u00edku pou\u017eit k p\u0159id\u011blen\u00ed m\u00edsta na z\u00e1sobn\u00edku a obnoven\u00ed p\u0159edchoz\u00edho stavu programu.<\/p>\n

Ukazatel z\u00e1sobn\u00edku je d\u016fle\u017eitou sou\u010d\u00e1st\u00ed po\u010d\u00edta\u010dov\u00e9 bezpe\u010dnosti, proto\u017ee je \u010dasto vyu\u017e\u00edv\u00e1n ke zneu\u017eit\u00ed zranitelnost\u00ed v softwaru. \u00datoky zalo\u017een\u00e9 na p\u0159ete\u010den\u00ed z\u00e1sobn\u00edku nap\u0159\u00edklad spo\u010d\u00edvaj\u00ed v p\u0159eps\u00e1n\u00ed n\u00e1vratov\u00e9 adresy na z\u00e1sobn\u00edku a p\u0159esm\u011brov\u00e1n\u00ed toku vykon\u00e1v\u00e1n\u00ed programu na \u0161kodliv\u00e9 m\u00edsto. k\u00f3d<\/a>. Modern\u00ed opera\u010dn\u00ed syst\u00e9my a p\u0159eklada\u010de implementuj\u00ed r\u016fzn\u00e9 bezpe\u010dnostn\u00ed mechanismy, jako jsou z\u00e1sobn\u00edkov\u00e9 kan\u00e1rky, randomizace rozlo\u017een\u00ed adresn\u00edho prostoru (ASLR) a nespustiteln\u00e1 pam\u011b\u0165 (NX), kter\u00e9 \u00fato\u010dn\u00edk\u016fm zt\u011b\u017euj\u00ed zneu\u017eit\u00ed zranitelnost\u00ed zalo\u017een\u00fdch na z\u00e1sobn\u00edku.<\/p>\n

Ukazatel z\u00e1sobn\u00edku je z\u00e1kladn\u00ed pojem v informatice, kter\u00fd hraje kl\u00ed\u010dovou roli p\u0159i spr\u00e1v\u011b datov\u00e9 struktury z\u00e1sobn\u00edku a zaji\u0161\u0165ov\u00e1n\u00ed bezpe\u010dnosti po\u010d\u00edta\u010dov\u00fdch syst\u00e9m\u016f. Pochopen\u00ed toho, jak funguje ukazatel z\u00e1sobn\u00edku, je z\u00e1sadn\u00ed pro v\u00fdvoj\u00e1\u0159i softwaru<\/a>, spr\u00e1vci syst\u00e9m\u016f a bezpe\u010dnostn\u00ed specialist\u00e9, kte\u0159\u00ed pracuj\u00ed s n\u00edzko\u00farov\u0148ov\u00fdmi syst\u00e9my. programovac\u00ed jazyky<\/a> a opera\u010dn\u00ed syst\u00e9my.<\/p>","protected":false},"excerpt":{"rendered":"

Seznamte se s ukazatelem z\u00e1sobn\u00edku, kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed po\u010d\u00edta\u010dov\u00e9 architektury, kter\u00e1 spravuje datovou strukturu z\u00e1sobn\u00edku a zaji\u0161\u0165uje bezpe\u010dnost po\u010d\u00edta\u010dov\u00fdch syst\u00e9m\u016f.<\/p>","protected":false},"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-6657","dictionary","type-dictionary","status-publish","hentry"],"acf":[],"yoast_head":"\nStack Pointer - The Codest<\/title>\n<meta name=\"description\" content=\"Learn about the stack pointer, a crucial component of computer architecture that manages the stack data structure and ensures the security of computer systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecodest.co\/cs\/slovnik\/ukazatel-zasobniku\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stack Pointer\" \/>\n<meta property=\"og:description\" content=\"Learn about the stack pointer, a crucial component of computer architecture that manages the stack data structure and ensures the security of computer systems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/thecodest.co\/cs\/slovnik\/ukazatel-zasobniku\/\" \/>\n<meta property=\"og:site_name\" content=\"The Codest\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thecodest.co\/app\/uploads\/2024\/06\/cover-image.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/stack-pointer\\\/\",\"url\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/stack-pointer\\\/\",\"name\":\"Stack Pointer - The Codest\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/#website\"},\"datePublished\":\"2026-04-13T11:50:50+00:00\",\"description\":\"Learn about the stack pointer, a crucial component of computer architecture that manages the stack data structure and ensures the security of computer systems.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/stack-pointer\\\/#breadcrumb\"},\"inLanguage\":\"cs-CZ\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/stack-pointer\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/stack-pointer\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/thecodest.co\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Dictionary\",\"item\":\"https:\\\/\\\/thecodest.co\\\/sv\\\/ordbok\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Stack Pointer\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/#website\",\"url\":\"https:\\\/\\\/thecodest.co\\\/\",\"name\":\"The Codest\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/thecodest.co\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cs-CZ\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/#organization\",\"name\":\"The Codest\",\"url\":\"https:\\\/\\\/thecodest.co\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs-CZ\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/thecodest.co\\\/app\\\/uploads\\\/2024\\\/03\\\/thecodest-logo.svg\",\"contentUrl\":\"https:\\\/\\\/thecodest.co\\\/app\\\/uploads\\\/2024\\\/03\\\/thecodest-logo.svg\",\"width\":144,\"height\":36,\"caption\":\"The Codest\"},\"image\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/pl.linkedin.com\\\/company\\\/codest\",\"https:\\\/\\\/clutch.co\\\/profile\\\/codest\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Ukazatel z\u00e1sobn\u00edku - The Codest","description":"Seznamte se s ukazatelem z\u00e1sobn\u00edku, kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed po\u010d\u00edta\u010dov\u00e9 architektury, kter\u00e1 spravuje datovou strukturu z\u00e1sobn\u00edku a zaji\u0161\u0165uje bezpe\u010dnost po\u010d\u00edta\u010dov\u00fdch syst\u00e9m\u016f.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/thecodest.co\/cs\/slovnik\/ukazatel-zasobniku\/","og_locale":"cs_CZ","og_type":"article","og_title":"Stack Pointer","og_description":"Learn about the stack pointer, a crucial component of computer architecture that manages the stack data structure and ensures the security of computer systems.","og_url":"https:\/\/thecodest.co\/cs\/slovnik\/ukazatel-zasobniku\/","og_site_name":"The Codest","og_image":[{"width":1200,"height":675,"url":"https:\/\/thecodest.co\/app\/uploads\/2024\/06\/cover-image.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/thecodest.co\/dictionary\/stack-pointer\/","url":"https:\/\/thecodest.co\/dictionary\/stack-pointer\/","name":"Ukazatel z\u00e1sobn\u00edku - The Codest","isPartOf":{"@id":"https:\/\/thecodest.co\/#website"},"datePublished":"2026-04-13T11:50:50+00:00","description":"Seznamte se s ukazatelem z\u00e1sobn\u00edku, kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed po\u010d\u00edta\u010dov\u00e9 architektury, kter\u00e1 spravuje datovou strukturu z\u00e1sobn\u00edku a zaji\u0161\u0165uje bezpe\u010dnost po\u010d\u00edta\u010dov\u00fdch syst\u00e9m\u016f.","breadcrumb":{"@id":"https:\/\/thecodest.co\/dictionary\/stack-pointer\/#breadcrumb"},"inLanguage":"cs-CZ","potentialAction":[{"@type":"ReadAction","target":["https:\/\/thecodest.co\/dictionary\/stack-pointer\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/thecodest.co\/dictionary\/stack-pointer\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/thecodest.co\/"},{"@type":"ListItem","position":2,"name":"Dictionary","item":"https:\/\/thecodest.co\/sv\/ordbok\/"},{"@type":"ListItem","position":3,"name":"Stack Pointer"}]},{"@type":"WebSite","@id":"https:\/\/thecodest.co\/#website","url":"https:\/\/thecodest.co\/","name":"The Codest","description":"","publisher":{"@id":"https:\/\/thecodest.co\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/thecodest.co\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cs-CZ"},{"@type":"Organization","@id":"https:\/\/thecodest.co\/#organization","name":"The Codest","url":"https:\/\/thecodest.co\/","logo":{"@type":"ImageObject","inLanguage":"cs-CZ","@id":"https:\/\/thecodest.co\/#\/schema\/logo\/image\/","url":"https:\/\/thecodest.co\/app\/uploads\/2024\/03\/thecodest-logo.svg","contentUrl":"https:\/\/thecodest.co\/app\/uploads\/2024\/03\/thecodest-logo.svg","width":144,"height":36,"caption":"The Codest"},"image":{"@id":"https:\/\/thecodest.co\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/pl.linkedin.com\/company\/codest","https:\/\/clutch.co\/profile\/codest"]}]}},"_links":{"self":[{"href":"https:\/\/thecodest.co\/cs\/wp-json\/wp\/v2\/dictionary\/6657","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thecodest.co\/cs\/wp-json\/wp\/v2\/dictionary"}],"about":[{"href":"https:\/\/thecodest.co\/cs\/wp-json\/wp\/v2\/types\/dictionary"}],"version-history":[{"count":1,"href":"https:\/\/thecodest.co\/cs\/wp-json\/wp\/v2\/dictionary\/6657\/revisions"}],"predecessor-version":[{"id":10941,"href":"https:\/\/thecodest.co\/cs\/wp-json\/wp\/v2\/dictionary\/6657\/revisions\/10941"}],"wp:attachment":[{"href":"https:\/\/thecodest.co\/cs\/wp-json\/wp\/v2\/media?parent=6657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}