{"id":117,"date":"2021-02-25T19:12:00","date_gmt":"2021-02-25T11:12:00","guid":{"rendered":"http:\/\/47.107.115.238\/?p=117"},"modified":"2024-08-30T19:13:32","modified_gmt":"2024-08-30T11:13:32","slug":"gcc","status":"publish","type":"post","link":"https:\/\/lxylp.com\/?p=117","title":{"rendered":"gcc"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><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><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/lxylp.com\/?p=117\/#cgdb\" title=\"cgdb\">cgdb<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/lxylp.com\/?p=117\/#%E5%AE%89%E8%A3%85\" title=\"\u5b89\u88c5\">\u5b89\u88c5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/lxylp.com\/?p=117\/#CGDB%E4%BD%BF%E7%94%A8\" title=\"CGDB\u4f7f\u7528\">CGDB\u4f7f\u7528<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/lxylp.com\/?p=117\/#%E7%94%9F%E4%BA%A7%E5%8F%AF%E8%B0%83%E8%AF%95%E6%96%87%E4%BB%B6\" title=\"\u751f\u4ea7\u53ef\u8c03\u8bd5\u6587\u4ef6\">\u751f\u4ea7\u53ef\u8c03\u8bd5\u6587\u4ef6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/lxylp.com\/?p=117\/#%E5%90%AF%E7%94%A8cgdb\" title=\"\u542f\u7528cgdb\">\u542f\u7528cgdb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/lxylp.com\/?p=117\/#%E4%BB%A3%E7%A0%81%E7%AA%97%E5%8F%A3\" title=\"\u4ee3\u7801\u7a97\u53e3\">\u4ee3\u7801\u7a97\u53e3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/lxylp.com\/?p=117\/#%E7%8A%B6%E6%80%81%E7%AA%97%E5%8F%A3\" title=\"\u72b6\u6001\u7a97\u53e3\">\u72b6\u6001\u7a97\u53e3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/lxylp.com\/?p=117\/#GDB%E7%AA%97%E5%8F%A3\" title=\"GDB\u7a97\u53e3\">GDB\u7a97\u53e3<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/lxylp.com\/?p=117\/#gdb\" title=\"gdb\">gdb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/lxylp.com\/?p=117\/#gcc%E7%89%88%E6%9C%AC%E6%8E%A7%E5%88%B6\" title=\"gcc\u7248\u672c\u63a7\u5236\">gcc\u7248\u672c\u63a7\u5236<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/lxylp.com\/?p=117\/#g%E7%BC%96%E8%AF%91%E5%90%8E%E4%B8%AD%E6%96%87%E6%98%BE%E7%A4%BA%E4%B9%B1%E7%A0%81\" title=\"g++\u7f16\u8bd1\u540e\u4e2d\u6587\u663e\u793a\u4e71\u7801\">g++\u7f16\u8bd1\u540e\u4e2d\u6587\u663e\u793a\u4e71\u7801<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/lxylp.com\/?p=117\/#gcc%E7%BC%96%E8%AF%91%E4%B8%BAwindows_exe%E6%96%87%E4%BB%B6\" title=\"gcc\u7f16\u8bd1\u4e3awindows exe\u6587\u4ef6\">gcc\u7f16\u8bd1\u4e3awindows exe\u6587\u4ef6<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"cgdb\"><\/span>cgdb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>linux\u4e0a\u5bf9C++\u8fdb\u884c\u8c03\u8bd5\uff0c\u53ef\u4ee5\u5b89\u88c5\u4e86CGDB<\/p>\n\n\n\n<p>\u201ccgdb\u53ef\u4ee5\u770b\u4f5cgdb\u7684\u754c\u9762\u589e\u5f3a\u7248\uff0c\u7528\u6765\u66ff\u4ee3gdb\u7684 gdb -tui\u3002cgdb\u4e3b\u8981\u529f\u80fd\u662f\u5728\u8c03\u8bd5\u65f6\u8fdb\u884c\u4ee3\u7801\u7684\u540c\u6b65\u663e\u793a\uff0c\u8fd9\u65e0\u7591\u589e\u52a0\u4e86\u8c03\u8bd5\u7684\u65b9\u4fbf\u6027\uff0c\u63d0\u9ad8\u4e86\u8c03\u8bd5\u6548\u7387\u3002\u754c\u9762\u7c7b\u4f3cvi\uff0c\u7b26\u5408unix\/Linux\u4e0b\u5f00\u53d1\u4eba\u5458\u4e60\u60ef\uff0c\u6240\u4ee5\u5982\u679c\u719f\u6089gdb\u548cvi\uff0c\u51e0\u4e4e\u53ef\u4ee5\u7acb\u5373\u4f7f\u7528cgdb\u3002\u201d<\/p>\n\n\n\n<!--more-->\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%AE%89%E8%A3%85\"><\/span>\u5b89\u88c5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt install cgdb<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CGDB%E4%BD%BF%E7%94%A8\"><\/span><strong>CGDB\u4f7f\u7528<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%94%9F%E4%BA%A7%E5%8F%AF%E8%B0%83%E8%AF%95%E6%96%87%E4%BB%B6\"><\/span>\u751f\u4ea7\u53ef\u8c03\u8bd5\u6587\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>g++ -o a.out a.cpp -g<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%90%AF%E7%94%A8cgdb\"><\/span>\u542f\u7528cgdb<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>cgdb a.out <\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u542f\u52a8\u540e\uff0c\u4e00\u5171\u5206\u51fa\u4e86\u4e09\u5757\u7a97\u53e3\uff0c\u5206\u522b\u662f\u4ee3\u7801\u7a97\u53e3\uff0c\u72b6\u6001\u7a97\u53e3\uff0cGDB\u7a97\u53e3\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BB%A3%E7%A0%81%E7%AA%97%E5%8F%A3\"><\/span><strong>\u4ee3\u7801\u7a97\u53e3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u663e\u793a\u88ab\u6e90\u4ee3\u7801\uff0c\u81ea\u52a8\u6807\u8bb0\u51fa\u7a0b\u5e8f\u8fd0\u884c\u5230\u7684\u4f4d\u7f6e\u3002\u5f53\u7126\u70b9\u5728\u4ee3\u7801\u7a97\u53e3\u65f6\uff0c\u53ef\u4ee5\u6d4f\u89c8\u4ee3\u7801\u3001\u67e5\u627e\u4ee3\u7801\u4ee5\u53ca\u6267\u884c\u547d\u4ee4 \uff0c\u64cd\u4f5c\u65b9\u5f0f\u540cvi \u3002\u5f53\u60a8\u5904\u4e8e\u4ee3\u7801\u7a97\u53e3\u65f6\uff0c\u60a8\u5df2\u7ecf\u5904\u4e8eCGDB\u6a21\u5f0f\u4e2d\u3002\u5e38\u7528\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>i \uff1a   \u5207\u6362\u5230GDB\u7a97\u53e3 \u3002\no \uff1a   \u6253\u5f00\u6587\u4ef6\u9009\u62e9\u6846\uff0c\u53ef\u9009\u62e9\u8981\u663e\u793a\u7684\u4ee3\u7801\u6587\u4ef6 \u3002\n\u7a7a\u683c \uff1a \u8bbe\u7f6e\/\u53d6\u6d88\u65ad\u70b9 \u3002\nk\/ up arrow\uff1a    \u5411\u4e0a\u79fb\u52a8\u4e00\u5217\nj\/down arrow\uff1a   \u5411\u4e0b\u79fb\u52a8\u4e00\u5217\nh\/left arrow\uff1a   \u5411\u5de6\u79fb\u52a8\u4e00\u5217\nl\/right arrow\uff1a  \u5411\u53f3\u79fb\u52a8\u4e00\u5217\ngg\uff1a   \u79fb\u52a8\u5230\u6587\u4ef6\u9876\u90e8\nG\uff1a    \u79fb\u52a8\u5230\u6587\u4ef6\u5e95\u90e8\n\/\uff1a    \u67e5\u627e\nF5\uff1a   \u53d1\u9001\u4e00\u4e2arun\u547d\u4ee4\u81f3GDB\nF6\uff1a   \u53d1\u9001\u4e00\u4e2acontinue\u547d\u4ee4\u81f3GDB\nF7\uff1a   \u53d1\u9001\u4e00\u4e2afinish\u547d\u4ee4\u81f3GDB\nF8\uff1a   \u53d1\u9001\u4e00\u4e2anext\u547d\u4ee4\u81f3GDB\nF10\uff1a  \u53d1\u9001\u4e00\u4e2astep\u547d\u4ee4\u81f3GDB <\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%8A%B6%E6%80%81%E7%AA%97%E5%8F%A3\"><\/span><strong>\u72b6\u6001\u7a97\u53e3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u663e\u793a\u5f53\u524d\u6253\u5f00\u7684\u6e90\u6587\u4ef6\u540d\uff0c\u5f53\u4ee3\u7801\u7a97\u53e3\u8fdb\u5165\u547d\u4ee4\u72b6\u6001\u65f6\uff0c\u663e\u793a\u8f93\u5165\u7684\u547d\u4ee4\u7b49\u4fe1\u606f<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"GDB%E7%AA%97%E5%8F%A3\"><\/span><strong>GDB\u7a97\u53e3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>GDB\u7684\u64cd\u4f5c\u754c\u9762\uff0c\u540cGDB \u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\uff08gdb\uff09help(\u7b80\u5199h)\uff1a\u67e5\u770b\u547d\u4ee4\u5e2e\u52a9\uff0c\u5177\u4f53\u547d\u4ee4\u67e5\u8be2\u5728gdb\u4e2d\u8f93\u5165help + \u547d\u4ee4\n\n\uff08gdb\uff09run(\u7b80\u5199r)\uff1a\u91cd\u65b0\u5f00\u59cb\u8fd0\u884c\u6587\u4ef6\uff08run-text\uff1a\u52a0\u8f7d\u6587\u672c\u6587\u4ef6\uff0crun-bin\uff1a\u52a0\u8f7d\u4e8c\u8fdb\u5236\u6587\u4ef6\uff09\n\n\uff08gdb\uff09start\uff1a\u5355\u6b65\u6267\u884c\uff0c\u8fd0\u884c\u7a0b\u5e8f\uff0c\u505c\u5728\u7b2c\u4e00\u6267\u884c\u8bed\u53e5\n\n\uff08gdb\uff09list(\u7b80\u5199l)\uff1a\u67e5\u770b\u539f\u4ee3\u7801\uff08list-n,\u4ece\u7b2cn\u884c\u5f00\u59cb\u67e5\u770b\u4ee3\u7801\u3002list+ \u51fd\u6570\u540d\uff1a\u67e5\u770b\u5177\u4f53\u51fd\u6570\uff09\n\n\uff08gdb\uff09set\uff1a\u8bbe\u7f6e\u53d8\u91cf\u7684\u503c\n\n\uff08gdb\uff09next(\u7b80\u5199n)\uff1a\u5355\u6b65\u8c03\u8bd5\uff08\u9010\u8fc7\u7a0b\uff0c\u51fd\u6570\u76f4\u63a5\u6267\u884c\uff09\n\n\uff08gdb\uff09step(\u7b80\u5199s)\uff1a\u5355\u6b65\u8c03\u8bd5\uff08\u9010\u8bed\u53e5\uff1a\u8df3\u5165\u81ea\u5b9a\u4e49\u51fd\u6570\u5185\u90e8\u6267\u884c\uff09\n\n\uff08gdb\uff09backtrace(\u7b80\u5199bt)\uff1a\u67e5\u770b\u51fd\u6570\u7684\u8c03\u7528\u7684\u6808\u5e27\u548c\u5c42\u7ea7\u5173\u7cfb\n\n\uff08gdb\uff09frame(\u7b80\u5199f)\uff1a\u5207\u6362\u51fd\u6570\u7684\u6808\u5e27\n\n\uff08gdb\uff09info(\u7b80\u5199i)\uff1a\u67e5\u770b\u51fd\u6570\u5185\u90e8\u5c40\u90e8\u53d8\u91cf\u7684\u6570\u503c\n\n\uff08gdb\uff09finish\uff1a\u7ed3\u675f\u5f53\u524d\u51fd\u6570\uff0c\u8fd4\u56de\u5230\u51fd\u6570\u8c03\u7528\u70b9\n\n\uff08gdb\uff09continue(\u7b80\u5199c)\uff1a\u7ee7\u7eed\u8fd0\u884c\n\n\uff08gdb\uff09print(\u7b80\u5199p)\uff1a\u6253\u5370\u503c\u53ca\u5730\u5740\n\n\uff08gdb\uff09quit(\u7b80\u5199q)\uff1a\u9000\u51fagdb\n\n\n\n\uff08gdb\uff09break+num(\u7b80\u5199b n)\uff1a\u5728\u7b2cnum\u884c\u8bbe\u7f6e\u65ad\u70b9,\n\n\uff08gdb\uff09info breakpoints\uff1a\u67e5\u770b\u5f53\u524d\u8bbe\u7f6e\u7684\u6240\u6709\u65ad\u70b9\n\n\uff08gdb\uff09delete breakpoints_num(\u7b80\u5199d n)\uff1a\u5220\u9664\u7b2cnum\u4e2a\u65ad\u70b9,\n\n\uff08gdb\uff09display\uff1a\u8ffd\u8e2a\u67e5\u770b\u5177\u4f53\u53d8\u91cf\u503c\n\n\uff08gdb\uff09undisplay\uff1a\u53d6\u6d88\u8ffd\u8e2a\u89c2\u5bdf\u53d8\u91cf\n\n\uff08gdb\uff09watch\uff1a\u88ab\u8bbe\u7f6e\u89c2\u5bdf\u70b9\u7684\u53d8\u91cf\u53d1\u751f\u4fee\u6539\u65f6\uff0c\u6253\u5370\u663e\u793a\n\n\uff08gdb\uff09i watch\uff1a\u663e\u793a\u89c2\u5bdf\u70b9\n\n\uff08gdb\uff09enable breakpoints\uff1a\u542f\u7528\u65ad\u70b9\n\n\uff08gdb\uff09disable breakpoints\uff1a\u7981\u7528\u65ad\u70b9\n\n\uff08gdb\uff09x\uff1a\u67e5\u770b\u5185\u5b58x\/20xw \u663e\u793a20\u4e2a\u5355\u5143\uff0c16\u8fdb\u5236\uff0c4\u5b57\u8282\u6bcf\u5355\u5143\n\n\uff08gdb\uff09run argv&#91;1] argv&#91;2]\uff1a\u8c03\u8bd5\u65f6\u547d\u4ee4\u884c\u4f20\u53c2\n\n\uff08gdb\uff09set follow-fork-mode child#Makefile\u9879\u76ee\u7ba1\u7406\uff1a\u9009\u62e9\u8ddf\u8e2a\u7236\u5b50\u8fdb\u7a0b\uff08fork()\uff09\n\ncore\u6587\u4ef6\uff1a\u5148\u7528$ ulimit -c 1024 \u5f00\u542fcore\uff0c\u5f53\u7a0b\u5e8f\u51fa\u9519\u4f1a\u81ea\u52a8\u751f\u6210core\u6587\u4ef6\u3002\u8c03\u8bd5\u65f6 gdb a core\n\n\nESC\uff1a         \u5207\u6362\u5230\u4ee3\u7801\u7a97\u53e3 \u3002\nquit\/q\uff1a      \u9000\u51facgdb\nk\/kill\uff1a   \u5411GDB\u53d1\u9001\u4e00\u4e2akill\u547d\u4ee4\nset args &#91;]\uff1a   \u8bbe\u7f6e\u53c2\u6570\nshow args\uff1a     \u663e\u793a\u53c2\u6570\nuntil\uff1a         \u5f53\u4f60\u538c\u5026\u4e86\u5728\u4e00\u4e2a\u5faa\u73af\u4f53\u5185\u5355\u6b65\u8ddf\u8e2a\u65f6\uff0c\u8fd9\u4e2a\u547d\u4ee4\u53ef\u4ee5\u8fd0\u884c\u7a0b\u5e8f\u76f4\u5230\u9000\u51fa\u5faa\u73af\u4f53\u3002\nuntil &#91;line_number]\uff1a \u8fd0\u884c\u81f3\u67d0\u884c\uff0c\u4e0d\u4ec5\u4ec5\u7528\u6765\u8df3\u51fa\u5faa\u73af\ncall \u51fd\u6570(\u53c2\u6570)\uff1a    \u8c03\u7528\u7a0b\u5e8f\u4e2d\u53ef\u89c1\u7684\u51fd\u6570\uff0c\u5e76\u4f20\u9012\u201c\u53c2\u6570\u201d\uff0c\u5982\uff1acall gdb_test(55)<\/code><\/pre>\n\n\n\n<p>\u53c2\u8003\u6587\u732e\uff1a<a href=\"https:\/\/blog.csdn.net\/ran337287\">ran337287<\/a>\uff0cCGDB<a href=\"https:\/\/leeyiw.gitbooks.io\/cgdb-manual-in-chinese\/content\/7.0.html\">\u4e2d\u6587\u4f7f\u7528\u624b\u518c<\/a>\uff0cCGDB <a href=\"https:\/\/cgdb.github.com\/docs\/cgdb.html\">Manual<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gdb\"><\/span>gdb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u53c2\u8003\u6587\u732e\uff1a<a href=\"https:\/\/man.linuxde.net\/gdb\">linux\u547d\u4ee4\u5927\u5168gdb<\/a>\uff0cgdb<a href=\"https:\/\/blog.csdn.net\/luoweifu\/article\/details\/50276197\">\u521d\u7ea7<\/a>\uff0cgdb<a href=\"https:\/\/blog.csdn.net\/wfdtxz\/article\/details\/7368357\">\u4e30\u5bcc<\/a>\uff0c<a href=\"http:\/\/c.biancheng.net\/gdb\/\">c\u7f16\u7a0b<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcc%E7%89%88%E6%9C%AC%E6%8E%A7%E5%88%B6\"><\/span>gcc\u7248\u672c\u63a7\u5236<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>cd Downloda\/gcc46\nsudo dpkg -i *.deb\nsudo update-alternatives --install \/usr\/bin\/gcc gcc \/usr\/bin\/gcc-4.4 50\nsudo update-alternatives --config gcc\nsudo update-alternatives --install \/usr\/bin\/g++ g++ \/usr\/bin\/g++-4.4 50\nsudo update-alternatives --remove gcc \/usr\/bin\/gcc-4.5\nsudo apt-get install gcc-4.5 gcc-4.5-multilib g++-4.5 g++-4.5-multilib<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"g%E7%BC%96%E8%AF%91%E5%90%8E%E4%B8%AD%E6%96%87%E6%98%BE%E7%A4%BA%E4%B9%B1%E7%A0%81\"><\/span>g++\u7f16\u8bd1\u540e\u4e2d\u6587\u663e\u793a\u4e71\u7801<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u8fd0\u884c\u73af\u5883 Ubuntu20.04<\/p>\n\n\n\n<p>g++\u7248\u672c 9.3.0<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ g++ --version\ng++ (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0\nCopyright (C) 2019 Free Software Foundation, Inc.<\/code><\/pre>\n\n\n\n<p>\u6d4b\u8bd5\u4ee3\u7801<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/4_2.cpp\n#include &lt;iostream&gt;\nusing namespace std;\nclass Point    \/\/Point \u7c7b\u7684\u58f0\u660e\n{\npublic:    \/\/\u5916\u90e8\u63a5\u53e3\n    Point(int xx=0, int yy=0) {X=xx;Y=yy;}  \/\/\u6784\u9020\u51fd\u6570\n    Point(Point &amp;p);    \/\/\u62f7\u8d1d\u6784\u9020\u51fd\u6570\n    int GetX() {return X;}\n    int GetY() {return Y;}\nprivate:    \/\/\u79c1\u6709\u6570\u636e\n    int X,Y;\n};\n\/\/\u6210\u5458\u51fd\u6570\u7684\u5b9e\u73b0\nPoint::Point(Point &amp;p)\n{\n    X=p.X;\n    Y=p.Y;\n    cout&lt;&lt;\"\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u88ab\u8c03\u7528\"&lt;&lt;endl;\n}\n\/\/\u5f62\u53c2\u4e3aPoint\u7c7b\u5bf9\u8c61\u7684\u51fd\u6570\nvoid fun1(Point p)\n{    cout&lt;&lt;p.GetX()&lt;&lt;endl;\n}\n\/\/\u8fd4\u56de\u503c\u4e3aPoint\u7c7b\u5bf9\u8c61\u7684\u51fd\u6570\nPoint fun2()\n{\n    Point A(1,2);\n    return A;\n}\n\/\/\u4e3b\u7a0b\u5e8f\nint main()\n{\n    Point A(4,5);   \/\/\u7b2c\u4e00\u4e2a\u5bf9\u8c61A\n    Point B(A);                  \/\/\u60c5\u51b5\u4e00\uff0c\u7528A\u521d\u59cb\u5316B\u3002\u7b2c\u4e00\u6b21\u8c03\u7528\u62f7\u8d1d\u6784\u9020\u51fd\u6570\n    cout&lt;&lt;B.GetX()&lt;&lt;endl;\n    fun1(B);  \/\/\u60c5\u51b5\u4e8c\uff0c\u5bf9\u8c61B\u4f5c\u4e3afun1\u7684\u5b9e\u53c2\u3002\u7b2c\u4e8c\u6b21\u8c03\u7528\u62f7\u8d1d\u6784\u9020\u51fd\u6570\n    B=fun2();  \/\/\u60c5\u51b5\u4e09\uff0c\u51fd\u6570\u7684\u8fd4\u56de\u503c\u662f\u7c7b\u5bf9\u8c61\uff0c\u51fd\u6570\u8fd4\u56de\u65f6\uff0c\u8c03\u7528\u62f7\u8d1d\u6784\u9020\u51fd\u6570\n    cout&lt;&lt;B.GetX()&lt;&lt;endl;\n}<\/code><\/pre>\n\n\n\n<p>\u539f\u59cb\u8fd0\u884c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ g++ 4_2.cpp &amp;&amp; .\/a.out\n\n4\n4\n1<\/code><\/pre>\n\n\n\n<p>\u89e3\u51b3\u65b9\u6cd5<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ g++ -finput-charset='GBK' 4_2.cpp -o b &amp;&amp; .\/b\n\n\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u88ab\u8c03\u7528\n4\n\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u88ab\u8c03\u7528\n4\n1<\/code><\/pre>\n\n\n\n<p>\u53c2\u8003\u6587\u732e\uff1a<a href=\"https:\/\/blog.csdn.net\/luozhuang\">luozhuang<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcc%E7%BC%96%E8%AF%91%E4%B8%BAwindows_exe%E6%96%87%E4%BB%B6\"><\/span>gcc\u7f16\u8bd1\u4e3awindows exe\u6587\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u65b9\u6cd5\uff1a<br>\u4f7f\u7528: <code>mingw-w64-gcc<\/code><br>\u5b89\u88c5: <code>sudo pacman -S mingw-w64-gcc<\/code><br>\u6817\u5b50\uff1a<code>x86_64-w64-mingw32-gcc -fexec-charset=GBK sum1n.c -o sum1n.exe -static<\/code><\/p>\n\n\n\n<p>\u4e3a <code>exe<\/code> \u6587\u4ef6\u6dfb\u52a0\u56fe\u6807<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51c6\u5907\u4e00\u4e2a <code>myicon.icon<\/code> \u6587\u4ef6<\/li>\n\n\n\n<li>\u5236\u4f5c <code>myicon.rc<\/code> \u6587\u4ef6<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  myicon ICON myicon.icon<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5236\u4f5c <code>myicon.o<\/code> \u6587\u4ef6<br><code>x86_64-w64-mingw32-windres myicon.rc -o myicon.o<\/code><\/li>\n\n\n\n<li>\u751f\u6210\u5e26\u56fe\u6807\u7684 <code>exe<\/code> \u53ef\u6267\u884c\u6587\u4ef6<br><code>x86_64-w64-mingw32-gcc -fexec-charset=GBK sum1n.c myicon.o -o sum1n.exe<\/code><br><img decoding=\"async\" src=\"\/pic\/gcc_exe.png\" alt=\"img\"><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>cgdb linux\u4e0a\u5bf9C++\u8fdb&#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":[4],"tags":[],"class_list":["post-117","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/posts\/117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lxylp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=117"}],"version-history":[{"count":1,"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/posts\/117\/revisions"}],"predecessor-version":[{"id":118,"href":"https:\/\/lxylp.com\/index.php?rest_route=\/wp\/v2\/posts\/117\/revisions\/118"}],"wp:attachment":[{"href":"https:\/\/lxylp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lxylp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lxylp.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}