{"id":1687,"date":"2024-11-08T13:56:21","date_gmt":"2024-11-08T05:56:21","guid":{"rendered":"https:\/\/www.madbull.site\/?p=1687"},"modified":"2025-05-12T16:49:00","modified_gmt":"2025-05-12T08:49:00","slug":"gdb%e8%b0%83%e8%af%95%e5%b8%b8%e7%94%a8%e6%8c%87%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/www.madbull.site\/?p=1687","title":{"rendered":"GDB\u8c03\u8bd5\u5e38\u7528\u6307\u4ee4"},"content":{"rendered":"\n

\u57fa\u672c\u6307\u4ee4<\/strong><\/p>\n\n\n\n

<\/div>\n\n\n\n
\u8bbe\u7f6e\u65ad\u70b9\nb aaaaa.c:222\n\n\u8bbe\u7f6e\u4e34\u65f6\u65ad\u70b9\ntb aaaa.c:333\n\n\u6761\u4ef6\u65ad\u70b9\nb aaa.c:10 if i==101\n\n\u67e5\u770b\u5df2\u8bbe\u7f6e\u7684\u65ad\u70b9\ninfo b\n\n\u5ffd\u75653\u53f7\u65ad\u70b9N\u6b21\nignore 3 N\n\n\u5e26\u4e09\u4e2a\u53c2\u6570 arg1 arg2 arg3 \u6267\u884c\uff0c\nr arg1 arg2 arg3\n\n\u7ee7\u7eed\u8fd0\u884c\nc\n\n\u5355\u6b65\nn\n\n\u5355\u72ec\u8d70X\u6b65\nn X\n\n\u8fdb\u5165\u51fd\u6570\ns\n\n\u663e\u793a\u6240\u6709\u7684\u7ebf\u7a0b\nthread apply all bt\n\n\u5220\u9664\u7b2c\u4e8c\u4e2a\u65ad\u70b9\ndel 2\nclear 2\n\n\u8fd0\u884c\u5230\u51fd\u6570\u8fd4\u56de\nfinish\nfin\n\n\u51fd\u6570\u76f4\u63a5\u8fd4\u56de\nreturn<\/code><\/pre>\n\n\n\n
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\u6253\u5370\u6307\u4ee4<\/strong><\/p>\n\n\n\n
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\u6253\u5370\u5f53\u524d\u6808\u4fe1\u606f\nbt\n\n\u6253\u5370\u53d8\u91cf(print\u6307\u4ee4\uff0c\u7b80\u5199p)\np var\n\n\u6309\u7167\u6307\u5b9a\u683c\u5f0f\u8f93\u51fa\np \/x var      p \/llu var      p \/f var      p \/d var     p (int)var\n\n\u6253\u5370\u6307\u9488\u5185\u5bb9\np *ptr\n\n\u6253\u5370\u6570\u7ec4\np *array@10        \u6253\u5370\u4ece\u6570\u7ec4\u5f00\u5934\u8fde\u7eed10\u4e2a\u5143\u7d20\u7684\u503c\np array[60]@10     \u6253\u5370\u7b2c60\uff5e69\u4e2a\u5143\u7d20\n\n\u8bbe\u7f6e\u6253\u5370\u683c\u5f0f\nset print pretty on          \u5bf9\u4e8e\u7ed3\u6784\u4f53\uff0c\u6bcf\u884c\u53ea\u663e\u793a\u4e00\u540d\u6210\u5458\nset print null-stop          \u4e0d\u663e\u793a'\\000\\\nset print array-indexes on   \u8bbe\u7f6e\u6570\u7ec4\u663e\u793a\u7d22\u5f15\nset print elements 0         \u8c03\u6574 GDB \u6253\u5370\u5b57\u7b26\u4e32\u7684\u6700\u5927\u957f\u5ea6\u9650\u5236\uff0c0--\u4e0d\u9650\u5236\n\n\u6253\u5370\u5f53\u524d\u51fd\u6570\u5c40\u90e8\u53d8\u91cf\ninfo locals\n\n\u6253\u5370\u5185\u5b58\u503c\nx\/nfu var\nn\uff1a\u4ee3\u8868\u8f93\u51fa\u5355\u5143\u7684\u4e2a\u6570\nf\uff1a\u4ee3\u8868\u8f93\u51fa\u683c\u5f0f    x 16\u8fdb\u5236 o 8\u8fdb\u5236\nu\uff1a\u8f93\u51fa\u5355\u4f4d      b \u5b57\u8282   h 2\u4e2a\u5b57\u8282   w 4\u4e2a\u5b57\u8282 g 8\u4e2a\u5b57\u8282<\/code><\/pre>\n\n\n\n
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\u591a\u8fdb\u7a0b\u8c03\u8bd5<\/strong><\/p>\n\n\n\n
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fork\u8ddf\u8e2a\u9009\u62e9\nshow follow-fork-mode         \u67e5\u770b\u76ee\u524d\u7684\u8ddf\u8e2a\u6a21\u5f0f\u3002\nset follow-fork-mode parent   \u53ea\u8ddf\u8e2a\u7236\u8fdb\u7a0b\uff0c\u4e0d\u8ddf\u8e2a\u5b50\u8fdb\u7a0b\uff0c\u8fd9\u662f\u9ed8\u8ba4\u7684\u6a21\u5f0f\u3002\nset follow-fork-mode child    \u53ea\u8ddf\u8e2a\u5b50\u8fdb\u7a0b\uff0c\u653e\u5f03\u5bf9\u7236\u8fdb\u7a0b\u7684\u8ddf\u8e2a\u3002\n\n\u60f3\u540c\u65f6\u8c03\u8bd5\u7236\u8fdb\u7a0b\u548c\u5b50\u8fdb\u7a0b\uff0c\u4ee5\u4e0a\u7684\u65b9\u6cd5\u5c31\u4e0d\u80fd\u6ee1\u8db3\u4e86\u3002\u9700\u8981\u5173\u95edfork\u8131\u79bb\nshow detach-on-fork     \u663e\u793afork\u8131\u79bb\u72b6\u6001\nset detach-on-fork on   \u5f00\u542ffork\u8131\u79bb\nset detach-on-fork off  \u5173\u95edfork\u8131\u79bb\u3002\u8fd9\u6837\u53ef\u4ee5\u901a\u8fc7\u5207\u6362\u540c\u65f6\u8c03\u8bd5\u7236\u5b50\u8fdb\u7a0b\uff0c\u8c03\u8bd5\u7684\u8fdb\u7a0b\u8fd0\u884c\uff0c\u4e0d\u8c03\u8bd5\u7684\u8fdb\u7a0b\u88ab\u963b\u585e\uff0c\u72b6\u6001\u4e3aT\n\n\u663e\u793a\u8fdb\u7a0b\u4fe1\u606f\ninfo inferiors\n\n\u5207\u6362\u8c03\u8bd5\u7684\u8fdb\u7a0b\u5230N\ninferior N<\/code><\/pre>\n\n\n\n
<\/div>\n\n\n\n
\u591a\u7ebf\u7a0b\u8c03\u8bd5<\/strong><\/p>\n\n\n\n
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\u67e5\u8be2\u7ebf\u7a0b\u4fe1\u606f\ninfo threads\n\n\u5207\u6362\u8c03\u8bd5\u7684\u7ebf\u7a0b\u5230N\nthread N\n\n\u6253\u5370\u6240\u6709\u7ebf\u7a0b\u6808\u4fe1\u606f\nthread apply all bt<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u57fa\u672c\u6307\u4ee4 \u6253\u5370\u6307\u4ee4 \u591a\u8fdb\u7a0b\u8c03\u8bd5 \u591a\u7ebf\u7a0b\u8c03\u8bd5<\/p>\n","protected":false},"author":1,"featured_media":552,"comment_status":"open","ping_status":"open","sticky":false,"template":"single-with-sidebar","format":"standard","meta":{"footnotes":""},"categories":[166,154],"tags":[543,548,546,547,545,544],"class_list":["post-1687","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tools","category-154","tag-gdb","tag-inferior","tag-info","tag-thread","tag-545","tag-544"],"_links":{"self":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/1687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1687"}],"version-history":[{"count":6,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/1687\/revisions"}],"predecessor-version":[{"id":2132,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/1687\/revisions\/2132"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/media\/552"}],"wp:attachment":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}