{"id":2615,"date":"2020-11-21T07:05:02","date_gmt":"2020-11-20T22:05:02","guid":{"rendered":"http:\/\/43.203.250.216\/?p=2615"},"modified":"2020-12-30T11:45:14","modified_gmt":"2020-12-30T02:45:14","slug":"gdb%ec%97%90%ec%84%9c-%ec%9d%b8%ec%8a%a4%ed%84%b4%ec%8a%a4%ec%9d%98-%ec%8b%a4%ec%a0%9c-%ed%83%80%ec%9e%85-%ed%91%9c%ec%8b%9c%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/litcoder.com\/?p=2615","title":{"rendered":"GDB\uc5d0\uc11c \uc778\uc2a4\ud134\uc2a4\uc758 \uc2e4\uc81c \ud0c0\uc785 \ud45c\uc2dc\ud558\uae30"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Base class\ub85c \ubd80\ud130 \uc0c1\uc18d \ubc1b\uc740 Derived class\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c Base class \ud3ec\uc778\ud130\uc5d0 \ub123\uc73c\uba74 GDB\uc5d0\uc11c \ud0c0\uc785\uc774 \uc81c\ub300\ub85c \ud45c\uc2dc\ub418\uc9c0 \uc54a\ub294\ub2e4. \uc774 \ub54c\ub294 &#8216;set print object on&#8217;\uc744 \uc124\uc815\ud574\uc11c GDB\uc758 ptype &lt;var&gt; \uba85\ub839 \uacb0\uacfc\uc5d0 \ud574\ub2f9 \uc778\uc2a4\ud134\uc2a4\uc758 \uc2e4\uc81c \ud0c0\uc785\uc774 \ud568\uaed8 \ud45c\uc2dc \ub418\ub3c4\ub85d \ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ub2e4\uc74c\uacfc \uac19\uc740 \ucf54\ub4dc\uac00 \uc788\ub2e4\uace0 \ud560 \ub54c<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"eclipse\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;iostream>\nusing namespace std;\n\nclass Base {\npublic:\n  virtual void identify() {\n      cout &lt;&lt; \"Base class\" &lt;&lt; endl;\n  }\n};\n\nclass Derived: public Base {\npublic:\n  void identify() override {\n      cout &lt;&lt; \"Derived class\" &lt;&lt; endl;\n  }\n};\n\n\nint main(void) {\n  \/\/ Derived class instance \uc774\uc9c0\ub9cc\n  \/\/ GDB\uc5d0\uc11c Base type\uc73c\ub85c \ud45c\uc2dc\ub41c\ub2e4.\n  Base *c = new Derived();\n  c->identify();\n\n  delete c;\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">main() \ud568\uc218 \ub0b4\uc758 &#8220;Base *c&#8221;\ub97c GDB\uc5d0\uc11c \ud655\uc778\ud574 \ubcf4\uba74 \uc2e4\uc81c \uc778\uc2a4\ud134\uc2a4\uc758 \ud0c0\uc785\uacfc \uad00\ub828 \uc5c6\uc774 Base class\ub85c \ud45c\uc2dc\ub41c\ub2e4.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"raw\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">(gdb) ptype c\ntype = class Base {\n  public:\n    virtual void identify(void);\n} *<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \uc778\uc2a4\ud134\uc2a4\uac00 \ubb34\uc5c7\uc778\uc9c0 \uc54c\uace0 \uc2f6\ub2e4\uba74, set print ojbect on\uc744 \uc124\uc815\ud574\uc11c ptype \uacb0\uacfc\uc5d0 \uc2e4\uc81c \uc778\uc2a4\ud134\uc2a4\uac00 \ud568\uaed8 \ud45c\uc2dc\ub418\ub3c4\ub85d \ud560 \uc218 \uc788\ub2e4. ( \/* real type = &#8230; *\/)<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"raw\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">(gdb) set print object on\n(gdb) ptype c\ntype = \/* real type = Derived * *\/\nclass Base {\n  public:\n    virtual void identify(void);\n} *<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc124\uc815\uc744 \ub2e4\ub978 \uc720\uc6a9\ud55c \uac83\ub4e4\uacfc \ud568\uaed8 ~\/.gdbinit\uc5d0 \ub123\uc5b4\ub450\uba74 gdb\uac00 \uc2e4\ud589\ub420 \ub54c \uc790\ub3d9\uc73c\ub85c \uc124\uc815\ub41c\ub2e4.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"raw\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">$ cat ~\/.gdbinit\nset print object on\nset print pretty on\nset print static-members on\nset print vtbl on<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Base class\ub85c \ubd80\ud130 \uc0c1\uc18d \ubc1b\uc740 Derived class\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c Base class \ud3ec\uc778\ud130\uc5d0 \ub123\uc73c\uba74 GDB\uc5d0\uc11c \ud0c0\uc785\uc774 \uc81c\ub300\ub85c \ud45c\uc2dc\ub418\uc9c0 \uc54a\ub294\ub2e4. \uc774 \ub54c\ub294 &#8216;set print object on&#8217;\uc744 \uc124\uc815\ud574\uc11c GDB\uc758 ptype &lt;var&gt; \uba85\ub839 \uacb0\uacfc\uc5d0 \ud574\ub2f9 \uc778\uc2a4\ud134\uc2a4\uc758 \uc2e4\uc81c \ud0c0\uc785\uc774 \ud568\uaed8 \ud45c\uc2dc \ub418\ub3c4\ub85d \ud560 \uc218 \uc788\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ub2e4\uc74c\uacfc \uac19\uc740 \ucf54\ub4dc\uac00 \uc788\ub2e4\uace0 \ud560 \ub54c main() \ud568\uc218 \ub0b4\uc758 &#8220;Base *c&#8221;\ub97c GDB\uc5d0\uc11c \ud655\uc778\ud574 \ubcf4\uba74 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[4],"tags":[247,194,248,72,249],"class_list":["post-2615","post","type-post","status-publish","format-standard","hentry","category-linux","tag-c","tag-gdb","tag-gdbinit","tag-linux","tag-ptype"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts\/2615","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2615"}],"version-history":[{"count":15,"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts\/2615\/revisions"}],"predecessor-version":[{"id":2695,"href":"https:\/\/litcoder.com\/index.php?rest_route=\/wp\/v2\/posts\/2615\/revisions\/2695"}],"wp:attachment":[{"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2615"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2615"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/litcoder.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}