{"id":58,"date":"2021-05-23T17:51:25","date_gmt":"2021-05-23T09:51:25","guid":{"rendered":"https:\/\/blog.cauchyschwarz.com\/?p=58"},"modified":"2021-12-26T22:42:14","modified_gmt":"2021-12-26T14:42:14","slug":"gdb%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/blog.cauchyschwarz.com\/?p=58","title":{"rendered":"gdb\u7b14\u8bb0"},"content":{"rendered":"\n<p>\u5bf9\u4e8e\u8c03\u8bd5\u7a0b\u5e8f\u3001\u6839\u636ecoredump\u6587\u4ef6\u67e5\u627e\u5d29\u6e83\u539f\u56e0\uff0cgdb\u662f\u6700\u57fa\u672c\u3001\u6700\u91cd\u8981\u7684\u5de5\u5177\u3002\u56e0\u6b64\u8fd9\u91cc\u603b\u7ed3\u4e0bgdb\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69e0c3aebc0d4\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69e0c3aebc0d4\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=58\/#%E4%BD%BF%E7%94%A8gdb%E6%9F%A5%E7%9C%8Bstl%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84\" >\u4f7f\u7528gdb\u67e5\u770bstl\u6570\u636e\u7ed3\u6784<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=58\/#%E9%80%82%E7%94%A8%E4%BA%8Elibstdc%E7%9A%84pretty_printers\" >\u9002\u7528\u4e8elibstdc++\u7684pretty printers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=58\/#%E9%80%82%E7%94%A8%E4%BA%8Elibc%E7%9A%84pretty_printers\" >\u9002\u7528\u4e8elibc++\u7684pretty printers<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=58\/#%E4%BD%BF%E7%94%A8gdb%E8%B0%83%E6%9F%A5%E7%A8%8B%E5%BA%8F%E5%B4%A9%E6%BA%83%E5%8E%9F%E5%9B%A0\" >\u4f7f\u7528gdb\u8c03\u67e5\u7a0b\u5e8f\u5d29\u6e83\u539f\u56e0<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=58\/#%E8%AE%BE%E7%BD%AE%E7%94%9F%E6%88%90core%E6%96%87%E4%BB%B6\" >\u8bbe\u7f6e\u751f\u6210core\u6587\u4ef6<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=58\/#gdb%E5%B8%B8%E7%94%A8%E5%91%BD%E4%BB%A4\" >gdb\u5e38\u7528\u547d\u4ee4<\/a><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BD%BF%E7%94%A8gdb%E6%9F%A5%E7%9C%8Bstl%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84\"><\/span>\u4f7f\u7528gdb\u67e5\u770bstl\u6570\u636e\u7ed3\u6784<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p>\u5728gdb\u8c03\u8bd5\u6216\u8005\u67e5\u770bcoredump\u6587\u4ef6\u65f6\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u65e0\u6cd5\u968f\u5fc3\u6240\u6b32\u67e5\u770bstl\u5bf9\u8c61\u7684\u60c5\u51b5\uff0c\u4f60\u660e\u660e\u77e5\u9053\u4f60\u6240\u5173\u5fc3\u7684\u6570\u636e\u5c31\u5b58\u5728\u8fd9\u4e2astl map\u3001set\u3001vector\u91cc\u9762\uff0c\u53ef\u662fgdb\u5374\u65e0\u6cd5\u5e2e\u4f60\u4ee5\u5408\u9002\u7684\u65b9\u5f0f\u628a\u8fd9\u4e9b\u5bf9\u8c61\u7684\u5185\u5bb9\u5c55\u793a\u51fa\u6765\u3002\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u5c31\u9700\u8981\u914d\u7f6e\u597d\u6211\u4eec\u7684gdb\uff0c\u4f7f\u5b83\u80fd\u591f\u505a\u5230\u8fd9\u4e00\u70b9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%80%82%E7%94%A8%E4%BA%8Elibstdc%E7%9A%84pretty_printers\"><\/span>\u9002\u7528\u4e8elibstdc++\u7684pretty printers<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6839\u636e\u8fd9\u4e2a<a href=\"https:\/\/sourceware.org\/gdb\/wiki\/STLSupport\">gdb wiki<\/a>\uff0c\u628a\u8fd9\u4e2agdb-stl-views\u7684\u811a\u672c\u7ed9\u641e\u5230.gdbinit\u8fd9\u4e2a\u6587\u4ef6\u91cc\uff0c\u5c31\u53ef\u4ee5\u8f85\u52a9\u4f60\u67e5\u770blibstdc++\u91cc\u7684stl\u5bf9\u8c61\u4e86\u3002\u6216\u8005\u4e0d\u5f04\u5230.gdbinit\u91cc\uff0c\u5728\u542f\u52a8gdb\u540e\uff0c\u518d\u6267\u884c<code>source &lt;path-to-gdb-stl-views-script&gt;<\/code>\u547d\u4ee4\u4e5f\u884c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%80%82%E7%94%A8%E4%BA%8Elibc%E7%9A%84pretty_printers\"><\/span>\u9002\u7528\u4e8elibc++\u7684pretty printers<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4e00\u4e2a\u662fllvm<a href=\"https:\/\/github.com\/koutheir\/libcxx-pretty-printers\">\u5b98\u7f51\u4e0a\u63a8\u8350\u7684<\/a>\uff0c\u4eb2\u6d4b\u6709\u6548\uff0c\u4f46\u662funordered_map\u5e76\u4e0d\u6b63\u5e38\u5de5\u4f5c\uff0c\u8fd8\u5f97\u9700\u8981\u6309\u7167\u6700\u65b0\u7684stl\u5934\u6587\u4ef6\u53bb\u4fee\u6539\u4e0b\u8fd9\u4e2a\u811a\u672c\u624d\u884c\u3002<br>\u4e00\u4e2a\u662f\u67d0\u4e2a\u4e0d\u8ba4\u8bc6\u7684\u5927\u4f6c\u7684<a href=\"https:\/\/github.com\/egmkang\/pretty_printer_for_libcxx\">\u4f5c\u54c1<\/a>\uff0c\u770b\u7740\u633a\u597d\uff0c\u4e0d\u8fc7\u6211\u7528\u7684\u65f6\u5019\u8c8c\u4f3c\u6709\u70b9\u95ee\u9898\uff0c\u53ef\u80fdstl\u7248\u672c\u5bf9\u4e0d\u4e0a\uff0c\u6ca1\u4ed4\u7ec6\u67e5\u8bc1\u3002<a href=\"https:\/\/www.cnblogs.com\/egmkang\/archive\/2012\/11\/02\/pretty_printers_for_libcxx.html\">\u8fd9<\/a>\u662f\u4f5c\u8005\u7684\u76f8\u5173\u535a\u5ba2\u6587\u7ae0\u3002<\/p>\n\n\n\n<p>\u603b\u800c\u8a00\u4e4b\uff0c\u4e0a\u9762\u8fd9\u51e0\u4e2apretty printers\u53ef\u4ee5work\uff0c\u4f46\u662f\u5e76\u4e0d\u5b8c\u7f8e\uff0c\u53ea\u8981\u4f60\u6709\u8010\u5fc3\u53bb\u770bstl\u5934\u6587\u4ef6\u5bf9\u8fd9\u4e9b\u5bf9\u8c61\u7684\u5b9a\u4e49\uff0c\u52a8\u624b\u8c03\u4e00\u8c03\u8fd9\u4e9bpretty printers\u7684i\u811a\u672c\uff0c\u6700\u7ec8\u5e94\u8be5\u90fd\u80fd\u591f\u6210\u529f\u5730\u67e5\u770b\u5185\u5b58\u4e2d\u7684\u8fd9\u4e9bstl\u5bf9\u8c61\u7684\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BD%BF%E7%94%A8gdb%E8%B0%83%E6%9F%A5%E7%A8%8B%E5%BA%8F%E5%B4%A9%E6%BA%83%E5%8E%9F%E5%9B%A0\"><\/span>\u4f7f\u7528gdb\u8c03\u67e5\u7a0b\u5e8f\u5d29\u6e83\u539f\u56e0<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%AE%BE%E7%BD%AE%E7%94%9F%E6%88%90core%E6%96%87%E4%BB%B6\"><\/span><a href=\"https:\/\/sigquit.wordpress.com\/2009\/03\/13\/the-core-pattern\/\">\u8bbe\u7f6e\u751f\u6210core\u6587\u4ef6<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gdb%E5%B8%B8%E7%94%A8%E5%91%BD%E4%BB%A4\"><\/span>gdb\u5e38\u7528\u547d\u4ee4<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5728gdb\u8fde\u63a5\u5230\u8fdb\u7a0b\u7684\u65f6\u5019\uff0c\u60f3\u751f\u6210core\u6587\u4ef6<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">  generate-core-file<\/code><\/pre>\n\n\n\n<p>\u6216\u8005<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">  gcore<\/code><\/pre>\n\n\n\n<p>\u4f1a\u751f\u6210\u540d\u4e3a<code>core.&lt;pid&gt;<\/code>\u7684core\u6587\u4ef6\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u6253\u5370\u5236\u5b9a\u5730\u5740\u7684\u5185\u5b58<br>https:\/\/sourceware.org\/gdb\/current\/onlinedocs\/gdb\/Memory.html<br>\u6bd4\u5982buf\u662f\u4e00\u4e2a<code>char*<\/code>\u6307\u9488\uff0c\u60f3\u6253\u5370\u8fd9\u4e2a\u6307\u9488\u6307\u5411\u768410\u4e2a\u5b57\u8282\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">  x\/10ub buf<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8bbe\u7f6e\u5e26\u6761\u4ef6\u5224\u65ad\u7684\u65ad\u70b9<br>https:\/\/stackoverflow.com\/questions\/14390256\/gdb-break-if-variable-equal-value<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">  break iter.c:6 if i == 5<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8bbe\u7f6e\u52a0\u8f7d\u5171\u4eab\u5e93\u7684\u8def\u5f84<br>https:\/\/visualgdb.com\/gdbreference\/commands\/set_solib-search-path<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">  set solib-search-path [Directories]\n  show solib-search-path<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>gdb\u4e2d\u663e\u793a\u51fd\u6570\u53c2\u6570var\u548cvar@entry\u7684\u533a\u522b<\/li><\/ul>\n\n\n\n<p><a href=\"https:\/\/stackoverflow.com\/questions\/19386073\/difference-between-this-and-thisentry#:~:text=The%20%40entry%20form%20refers%20to,onlinedocs%2Fgdb%2FVariables.html\">https:\/\/stackoverflow.com\/questions\/19386073\/difference-between-this-and-thisentry#:~:text=The %40entry form refers to,onlinedocs%2Fgdb%2FVariables.html<\/a><\/p>\n\n\n\n<p>var\u663e\u793a\u7684\u662f\u73b0\u5728\u8be5\u53d8\u91cf\u7684\u503c\uff1bvar@entry\u663e\u793a\u7684\u662f\u8fdb\u5165\u8be5\u51fd\u6570\u7684\u65f6\u5019\u8fd9\u4e2a\u53d8\u91cf\u7684\u503c\uff1b\u56e0\u4e3avar\u7684\u503c\u53ef\u80fd\u548c\u8fdb\u5165\u51fd\u6570\u65f6\u7684\u503c\u4e0d\u4e00\u6837\uff0c\u6240\u4ee5\u9700\u8981\u5206\u522b\u663e\u793a\u8fd9\u4e24\u4e2a\u503c\uff1b<br>var@entry\u9700\u8981dwarf-2\u7684debug\u4fe1\u606f\u624d\u80fd\u663e\u793a\uff1b<a href=\"https:\/\/sourceware.org\/gdb\/onlinedocs\/gdb\/Print-Settings.html#set-print-entry_002dvalues\">https:\/\/sourceware.org\/gdb\/onlinedocs\/gdb\/Print-Settings.html#set-print-entry_002dvalues<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>gdb\u53cd\u5411\u6267\u884c<\/li><\/ul>\n\n\n\n<p><a href=\"https:\/\/sourceware.org\/gdb\/onlinedocs\/gdb\/Reverse-Execution.html#Reverse-Execution\">https:\/\/sourceware.org\/gdb\/onlinedocs\/gdb\/Reverse-Execution.html#Reverse-Execution<\/a><\/p>\n\n\n\n<p>\u5728\u67d0\u4e9b\u5e73\u53f0\u4e0agdb\u5c45\u7136\u652f\u6301\u53cd\u5411\u6267\u884c\uff0c\u7528\u4e8e\u56de\u6eda\u7a0b\u5e8f\u72b6\u6001\u3002\u524d\u63d0\u662f\u9700\u8981\u9884\u5148\u6267\u884crecord\u6216\u8005record btrace\u547d\u4ee4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bf9\u4e8e\u8c03\u8bd5\u7a0b\u5e8f\u3001\u6839\u636ecoredump\u6587\u4ef6\u67e5\u627e\u5d29\u6e83\u539f\u56e0\uff0cgdb\u662f\u6700\u57fa\u672c\u3001\u6700\u91cd\u8981\u7684\u5de5\u5177\u3002\u56e0\u6b64\u8fd9\u91cc\u603b\u7ed3\u4e0bgdb\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\u3002 \u4f7f\u7528gdb\u67e5\u770bstl\u6570\u636e\u7ed3\u6784 \u5728gdb\u8c03\u8bd5\u6216\u8005\u67e5\u770bcoredump\u6587\u4ef6\u65f6\uff0c\u7ecf\u5e38\u4f1a&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[16],"class_list":["post-58","post","type-post","status-publish","format-standard","hentry","category-10","tag-gdb"],"_links":{"self":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/58","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=58"}],"version-history":[{"count":2,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/58\/revisions"}],"predecessor-version":[{"id":1062,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/58\/revisions\/1062"}],"wp:attachment":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=58"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=58"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=58"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}