{"id":786,"date":"2017-12-11T18:29:22","date_gmt":"2017-12-11T10:29:22","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=786"},"modified":"2017-12-11T18:30:16","modified_gmt":"2017-12-11T10:30:16","slug":"%e7%94%a8gdb%e8%b0%83%e8%af%95%e7%a8%8b%e5%ba%8f%ef%bc%88%e4%b8%89%ef%bc%89","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/786","title":{"rendered":"\u7528GDB\u8c03\u8bd5\u7a0b\u5e8f\uff08\u4e09\uff09"},"content":{"rendered":"

\u539f\u6587\uff1ahttp:\/\/blog.csdn.net\/haoel\/article\/details\/2881<\/a><\/p>\n

 <\/p>\n

\n

\u56db\u3001\u7ef4\u62a4\u505c\u6b62\u70b9<\/strong><\/span><\/p>\n

\u4e0a\u9762\u8bf4\u4e86\u5982\u4f55\u8bbe\u7f6e\u7a0b\u5e8f\u7684\u505c\u6b62\u70b9\uff0cGDB\u4e2d\u7684\u505c\u6b62\u70b9\u4e5f\u5c31\u662f\u4e0a\u8ff0\u7684\u4e09\u7c7b\u3002\u5728GDB\u4e2d\uff0c\u5982\u679c\u4f60\u89c9\u5f97\u5df2\u5b9a\u4e49\u597d\u7684\u505c\u6b62\u70b9\u6ca1\u6709\u7528\u4e86\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528delete\u3001clear\u3001disable\u3001enable\u8fd9\u51e0\u4e2a\u547d\u4ee4\u6765\u8fdb\u884c\u7ef4\u62a4\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 clear
\n\u6e05\u9664\u6240\u6709\u7684\u5df2\u5b9a\u4e49\u7684\u505c\u6b62\u70b9\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 clear <function>
\nclear <filename:function>
\n\u6e05\u9664\u6240\u6709\u8bbe\u7f6e\u5728\u51fd\u6570\u4e0a\u7684\u505c\u6b62\u70b9\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 clear <linenum>
\nclear <filename:linenum>
\n\u6e05\u9664\u6240\u6709\u8bbe\u7f6e\u5728\u6307\u5b9a\u884c\u4e0a\u7684\u505c\u6b62\u70b9\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 delete [breakpoints] [range…]
\n\u5220\u9664\u6307\u5b9a\u7684\u65ad\u70b9\uff0cbreakpoints\u4e3a\u65ad\u70b9\u53f7\u3002\u5982\u679c\u4e0d\u6307\u5b9a\u65ad\u70b9\u53f7\uff0c\u5219\u8868\u793a\u5220\u9664\u6240\u6709\u7684\u65ad\u70b9\u3002range \u8868\u793a\u65ad\u70b9\u53f7\u7684\u8303\u56f4\uff08\u5982\uff1a3-7\uff09\u3002\u5176\u7b80\u5199\u547d\u4ee4\u4e3ad\u3002<\/span><\/p>\n

\u6bd4\u5220\u9664\u66f4\u597d\u7684\u4e00\u79cd\u65b9\u6cd5\u662fdisable\u505c\u6b62\u70b9\uff0cdisable\u4e86\u7684\u505c\u6b62\u70b9\uff0cGDB\u4e0d\u4f1a\u5220\u9664\uff0c\u5f53\u4f60\u8fd8\u9700\u8981\u65f6\uff0cenable\u5373\u53ef\uff0c\u5c31\u597d\u50cf\u56de\u6536\u7ad9\u4e00\u6837\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 disable [breakpoints] [range…]
\ndisable\u6240\u6307\u5b9a\u7684\u505c\u6b62\u70b9\uff0cbreakpoints\u4e3a\u505c\u6b62\u70b9\u53f7\u3002\u5982\u679c\u4ec0\u4e48\u90fd\u4e0d\u6307\u5b9a\uff0c\u8868\u793adisable\u6240\u6709\u7684\u505c\u6b62\u70b9\u3002\u7b80\u5199\u547d\u4ee4\u662fdis.<\/span><\/p>\n

\u00a0\u00a0\u00a0 enable [breakpoints] [range…]
\nenable\u6240\u6307\u5b9a\u7684\u505c\u6b62\u70b9\uff0cbreakpoints\u4e3a\u505c\u6b62\u70b9\u53f7\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 enable [breakpoints] once range…
\nenable\u6240\u6307\u5b9a\u7684\u505c\u6b62\u70b9\u4e00\u6b21\uff0c\u5f53\u7a0b\u5e8f\u505c\u6b62\u540e\uff0c\u8be5\u505c\u6b62\u70b9\u9a6c\u4e0a\u88abGDB\u81ea\u52a8disable\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 enable [breakpoints] delete range…
\nenable\u6240\u6307\u5b9a\u7684\u505c\u6b62\u70b9\u4e00\u6b21\uff0c\u5f53\u7a0b\u5e8f\u505c\u6b62\u540e\uff0c\u8be5\u505c\u6b62\u70b9\u9a6c\u4e0a\u88abGDB\u81ea\u52a8\u5220\u9664\u3002<\/span><\/p>\n

 <\/p>\n

\u4e94\u3001\u505c\u6b62\u6761\u4ef6\u7ef4\u62a4<\/strong><\/span><\/p>\n

\u524d\u9762\u5728\u8bf4\u5230\u8bbe\u7f6e\u65ad\u70b9\u65f6\uff0c\u6211\u4eec\u63d0\u5230\u8fc7\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u6761\u4ef6\uff0c\u5f53\u6761\u4ef6\u6210\u7acb\u65f6\uff0c\u7a0b\u5e8f\u81ea\u52a8\u505c\u6b62\uff0c\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u8fd9\u91cc\uff0c\u6211\u60f3\u4e13\u95e8\u8bf4\u8bf4\u8fd9\u4e2a\u6761\u4ef6\u7684\u76f8\u5173\u7ef4\u62a4\u547d\u4ee4\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u4e3a\u65ad\u70b9\u8bbe\u7f6e\u4e00\u4e2a\u6761\u4ef6\uff0c\u6211\u4eec\u4f7f\u7528if\u5173\u952e\u8bcd\uff0c\u540e\u9762\u8ddf\u5176\u65ad\u70b9\u6761\u4ef6\u3002\u5e76\u4e14\uff0c\u6761\u4ef6\u8bbe\u7f6e\u597d\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u7528condition\u547d\u4ee4\u6765\u4fee\u6539\u65ad\u70b9\u7684\u6761\u4ef6\u3002\uff08\u53ea\u6709break\u548cwatch\u547d\u4ee4\u652f\u6301if\uff0ccatch\u76ee\u524d\u6682\u4e0d\u652f\u6301if\uff09<\/span><\/p>\n

\u00a0\u00a0\u00a0 condition <bnum> <expression>
\n\u4fee\u6539\u65ad\u70b9\u53f7\u4e3abnum\u7684\u505c\u6b62\u6761\u4ef6\u4e3aexpression\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 condition <bnum>
\n\u6e05\u9664\u65ad\u70b9\u53f7\u4e3abnum\u7684\u505c\u6b62\u6761\u4ef6\u3002<\/span><\/p>\n

\u8fd8\u6709\u4e00\u4e2a\u6bd4\u8f83\u7279\u6b8a\u7684\u7ef4\u62a4\u547d\u4ee4ignore\uff0c\u4f60\u53ef\u4ee5\u6307\u5b9a\u7a0b\u5e8f\u8fd0\u884c\u65f6\uff0c\u5ffd\u7565\u505c\u6b62\u6761\u4ef6\u51e0\u6b21\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 ignore <bnum> <count>
\n\u8868\u793a\u5ffd\u7565\u65ad\u70b9\u53f7\u4e3abnum\u7684\u505c\u6b62\u6761\u4ef6count\u6b21\u3002<\/span><\/p>\n

 <\/p>\n

\u516d\u3001\u4e3a\u505c\u6b62\u70b9\u8bbe\u5b9a\u8fd0\u884c\u547d\u4ee4<\/strong><\/span><\/p>\n

\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528GDB\u63d0\u4f9b\u7684command\u547d\u4ee4\u6765\u8bbe\u7f6e\u505c\u6b62\u70b9\u7684\u8fd0\u884c\u547d\u4ee4\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u8fd0\u884c\u7684\u7a0b\u5e8f\u5728\u88ab\u505c\u6b62\u4f4f\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba9\u5176\u81ea\u52a8\u8fd0\u884c\u4e00\u4e9b\u522b\u7684\u547d\u4ee4\uff0c\u8fd9\u5f88\u6709\u5229\u884c\u81ea\u52a8\u5316\u8c03\u8bd5\u3002\u5bf9\u57fa\u4e8eGDB\u7684\u81ea\u52a8\u5316\u8c03\u8bd5\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u652f\u6301\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 commands [bnum]
\n… command-list …
\nend<\/span><\/p>\n

\u00a0\u00a0\u00a0 \u4e3a\u65ad\u70b9\u53f7bnum\u6307\u5199\u4e00\u4e2a\u547d\u4ee4\u5217\u8868\u3002\u5f53\u7a0b\u5e8f\u88ab\u8be5\u65ad\u70b9\u505c\u4f4f\u65f6\uff0cgdb\u4f1a\u4f9d\u6b21\u8fd0\u884c\u547d\u4ee4\u5217\u8868\u4e2d\u7684\u547d\u4ee4\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 \u4f8b\u5982\uff1a<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 break foo if x>0
\ncommands
\nprintf “x is %d\/n”,x
\ncontinue
\nend
\n\u65ad\u70b9\u8bbe\u7f6e\u5728\u51fd\u6570foo\u4e2d\uff0c\u65ad\u70b9\u6761\u4ef6\u662fx>0\uff0c\u5982\u679c\u7a0b\u5e8f\u88ab\u65ad\u4f4f\u540e\uff0c\u4e5f\u5c31\u662f\uff0c\u4e00\u65e6x\u7684\u503c\u5728foo\u51fd\u6570\u4e2d\u5927\u4e8e0\uff0cGDB\u4f1a\u81ea\u52a8\u6253\u5370\u51fax\u7684\u503c\uff0c\u5e76\u7ee7\u7eed\u8fd0\u884c\u7a0b\u5e8f\u3002<\/span><\/p>\n

\u5982\u679c\u4f60\u8981\u6e05\u9664\u65ad\u70b9\u4e0a\u7684\u547d\u4ee4\u5e8f\u5217\uff0c\u90a3\u4e48\u53ea\u8981\u7b80\u5355\u7684\u6267\u884c\u4e00\u4e0bcommands\u547d\u4ee4\uff0c\u5e76\u76f4\u63a5\u5728\u6253\u4e2aend\u5c31\u884c\u4e86\u3002<\/span><\/p>\n

\u4e03\u3001\u65ad\u70b9\u83dc\u5355<\/strong><\/span><\/p>\n

\u5728C++\u4e2d\uff0c\u53ef\u80fd\u4f1a\u91cd\u590d\u51fa\u73b0\u540c\u4e00\u4e2a\u540d\u5b57\u7684\u51fd\u6570\u82e5\u5e72\u6b21\uff08\u51fd\u6570\u91cd\u8f7d\uff09\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cbreak <function>\u4e0d\u80fd\u544a\u8bc9GDB\u8981\u505c\u5728\u54ea\u4e2a\u51fd\u6570\u7684\u5165\u53e3\u3002\u5f53\u7136\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528break <function(type)>\u4e5f\u5c31\u662f\u628a\u51fd\u6570\u7684\u53c2\u6570\u7c7b\u578b\u544a\u8bc9GDB\uff0c\u4ee5\u6307\u5b9a\u4e00\u4e2a\u51fd\u6570\u3002\u5426\u5219\u7684\u8bdd\uff0cGDB\u4f1a\u7ed9\u4f60\u5217\u51fa\u4e00\u4e2a\u65ad\u70b9\u83dc\u5355\u4f9b\u4f60\u9009\u62e9\u4f60\u6240\u9700\u8981\u7684\u65ad\u70b9\u3002\u4f60\u53ea\u8981\u8f93\u5165\u4f60\u83dc\u5355\u5217\u8868\u4e2d\u7684\u7f16\u53f7\u5c31\u53ef\u4ee5\u4e86\u3002\u5982\uff1a<\/span><\/p>\n

\u00a0\u00a0\u00a0 (gdb) b String::after
\n[0] cancel
\n[1] all
\n[2] file:String.cc; line number:867
\n[3] file:String.cc; line number:860
\n[4] file:String.cc; line number:875
\n[5] file:String.cc; line number:853
\n[6] file:String.cc; line number:846
\n[7] file:String.cc; line number:735
\n> 2 4 6
\nBreakpoint 1 at 0xb26c: file String.cc, line 867.
\nBreakpoint 2 at 0xb344: file String.cc, line 875.
\nBreakpoint 3 at 0xafcc: file String.cc, line 846.
\nMultiple breakpoints were set.
\nUse the “delete” command to delete unwanted
\nbreakpoints.
\n(gdb)<\/span><\/p>\n

\u53ef\u89c1\uff0cGDB\u5217\u51fa\u4e86\u6240\u6709after\u7684\u91cd\u8f7d\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u9009\u4e00\u4e0b\u5217\u8868\u7f16\u53f7\u5c31\u884c\u4e86\u30020\u8868\u793a\u653e\u5f03\u8bbe\u7f6e\u65ad\u70b9\uff0c1\u8868\u793a\u6240\u6709\u51fd\u6570\u90fd\u8bbe\u7f6e\u65ad\u70b9\u3002<\/span><\/p>\n

\u516b\u3001\u6062\u590d\u7a0b\u5e8f\u8fd0\u884c\u548c\u5355\u6b65\u8c03\u8bd5<\/strong><\/span><\/p>\n

\u5f53\u7a0b\u5e8f\u88ab\u505c\u4f4f\u4e86\uff0c\u4f60\u53ef\u4ee5\u7528continue\u547d\u4ee4\u6062\u590d\u7a0b\u5e8f\u7684\u8fd0\u884c\u76f4\u5230\u7a0b\u5e8f\u7ed3\u675f\uff0c\u6216\u4e0b\u4e00\u4e2a\u65ad\u70b9\u5230\u6765\u3002\u4e5f\u53ef\u4ee5\u4f7f\u7528step\u6216next\u547d\u4ee4\u5355\u6b65\u8ddf\u8e2a\u7a0b\u5e8f\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 continue [ignore-count]
\nc [ignore-count]
\nfg [ignore-count]
\n\u6062\u590d\u7a0b\u5e8f\u8fd0\u884c\uff0c\u76f4\u5230\u7a0b\u5e8f\u7ed3\u675f\uff0c\u6216\u662f\u4e0b\u4e00\u4e2a\u65ad\u70b9\u5230\u6765\u3002ignore-count\u8868\u793a\u5ffd\u7565\u5176\u540e\u7684\u65ad\u70b9\u6b21\u6570\u3002continue\uff0cc\uff0cfg\u4e09\u4e2a\u547d\u4ee4\u90fd\u662f\u4e00\u6837\u7684\u610f\u601d\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 step <count>
\n\u5355\u6b65\u8ddf\u8e2a\uff0c\u5982\u679c\u6709\u51fd\u6570\u8c03\u7528\uff0c\u4ed6\u4f1a\u8fdb\u5165\u8be5\u51fd\u6570\u3002\u8fdb\u5165\u51fd\u6570\u7684\u524d\u63d0\u662f\uff0c\u6b64\u51fd\u6570\u88ab\u7f16\u8bd1\u6709debug\u4fe1\u606f\u3002\u5f88\u50cfVC\u7b49\u5de5\u5177\u4e2d\u7684step in\u3002\u540e\u9762\u53ef\u4ee5\u52a0count\u4e5f\u53ef\u4ee5\u4e0d\u52a0\uff0c\u4e0d\u52a0\u8868\u793a\u4e00\u6761\u6761\u5730\u6267\u884c\uff0c\u52a0\u8868\u793a\u6267\u884c\u540e\u9762\u7684count\u6761\u6307\u4ee4\uff0c\u7136\u540e\u518d\u505c\u4f4f\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 next <count>
\n\u540c\u6837\u5355\u6b65\u8ddf\u8e2a\uff0c\u5982\u679c\u6709\u51fd\u6570\u8c03\u7528\uff0c\u4ed6\u4e0d\u4f1a\u8fdb\u5165\u8be5\u51fd\u6570\u3002\u5f88\u50cfVC\u7b49\u5de5\u5177\u4e2d\u7684step over\u3002\u540e\u9762\u53ef\u4ee5\u52a0count\u4e5f\u53ef\u4ee5\u4e0d\u52a0\uff0c\u4e0d\u52a0\u8868\u793a\u4e00\u6761\u6761\u5730\u6267\u884c\uff0c\u52a0\u8868\u793a\u6267\u884c\u540e\u9762\u7684count\u6761\u6307\u4ee4\uff0c\u7136\u540e\u518d\u505c\u4f4f\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 set step-mode
\nset step-mode on
\n\u6253\u5f00step-mode\u6a21\u5f0f\uff0c\u4e8e\u662f\uff0c\u5728\u8fdb\u884c\u5355\u6b65\u8ddf\u8e2a\u65f6\uff0c\u7a0b\u5e8f\u4e0d\u4f1a\u56e0\u4e3a\u6ca1\u6709debug\u4fe1\u606f\u800c\u4e0d\u505c\u4f4f\u3002\u8fd9\u4e2a\u53c2\u6570\u6709\u5f88\u5229\u4e8e\u67e5\u770b\u673a\u5668\u7801\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 set step-mod off
\n\u5173\u95edstep-mode\u6a21\u5f0f\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 finish
\n\u8fd0\u884c\u7a0b\u5e8f\uff0c\u76f4\u5230\u5f53\u524d\u51fd\u6570\u5b8c\u6210\u8fd4\u56de\u3002\u5e76\u6253\u5370\u51fd\u6570\u8fd4\u56de\u65f6\u7684\u5806\u6808\u5730\u5740\u548c\u8fd4\u56de\u503c\u53ca\u53c2\u6570\u503c\u7b49\u4fe1\u606f\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 until \u6216 u
\n\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<\/span><\/p>\n

\u00a0\u00a0\u00a0 stepi \u6216 si
\nnexti \u6216 ni
\n\u5355\u6b65\u8ddf\u8e2a\u4e00\u6761\u673a\u5668\u6307\u4ee4\uff01\u4e00\u6761\u7a0b\u5e8f\u4ee3\u7801\u6709\u53ef\u80fd\u7531\u6570\u6761\u673a\u5668\u6307\u4ee4\u5b8c\u6210\uff0cstepi\u548cnexti\u53ef\u4ee5\u5355\u6b65\u6267\u884c\u673a\u5668\u6307\u4ee4\u3002\u4e0e\u4e4b\u4e00\u6837\u6709\u76f8\u540c\u529f\u80fd\u7684\u547d\u4ee4\u662f\u201cdisplay\/i $pc\u201d \uff0c\u5f53\u8fd0\u884c\u5b8c\u8fd9\u4e2a\u547d\u4ee4\u540e\uff0c\u5355\u6b65\u8ddf\u8e2a\u4f1a\u5728\u6253\u51fa\u7a0b\u5e8f\u4ee3\u7801\u7684\u540c\u65f6\u6253\u51fa\u673a\u5668\u6307\u4ee4\uff08\u4e5f\u5c31\u662f\u6c47\u7f16\u4ee3\u7801\uff09<\/span><\/p>\n

\u4e5d\u3001\u4fe1\u53f7\uff08Signals\uff09<\/strong><\/span><\/p>\n

\u4fe1\u53f7\u662f\u4e00\u79cd\u8f6f\u4e2d\u65ad\uff0c\u662f\u4e00\u79cd\u5904\u7406\u5f02\u6b65\u4e8b\u4ef6\u7684\u65b9\u6cd5\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u64cd\u4f5c\u7cfb\u7edf\u90fd\u652f\u6301\u8bb8\u591a\u4fe1\u53f7\u3002\u5c24\u5176\u662fUNIX\uff0c\u6bd4\u8f83\u91cd\u8981\u5e94\u7528\u7a0b\u5e8f\u4e00\u822c\u90fd\u4f1a\u5904\u7406\u4fe1\u53f7\u3002UNIX\u5b9a\u4e49\u4e86\u8bb8\u591a\u4fe1\u53f7\uff0c\u6bd4\u5982SIGINT\u8868\u793a\u4e2d\u65ad\u5b57\u7b26\u4fe1\u53f7\uff0c\u4e5f\u5c31\u662fCtrl+C\u7684\u4fe1\u53f7\uff0cSIGBUS\u8868\u793a\u786c\u4ef6\u6545\u969c\u7684\u4fe1\u53f7\uff1bSIGCHLD\u8868\u793a\u5b50\u8fdb\u7a0b\u72b6\u6001\u6539\u53d8\u4fe1\u53f7\uff1bSIGKILL\u8868\u793a\u7ec8\u6b62\u7a0b\u5e8f\u8fd0\u884c\u7684\u4fe1\u53f7\uff0c\u7b49\u7b49\u3002\u4fe1\u53f7\u91cf\u7f16\u7a0b\u662fUNIX\u4e0b\u975e\u5e38\u91cd\u8981\u7684\u4e00\u79cd\u6280\u672f\u3002<\/span><\/p>\n

GDB\u6709\u80fd\u529b\u5728\u4f60\u8c03\u8bd5\u7a0b\u5e8f\u7684\u65f6\u5019\u5904\u7406\u4efb\u4f55\u4e00\u79cd\u4fe1\u53f7\uff0c\u4f60\u53ef\u4ee5\u544a\u8bc9GDB\u9700\u8981\u5904\u7406\u54ea\u4e00\u79cd\u4fe1\u53f7\u3002\u4f60\u53ef\u4ee5\u8981\u6c42GDB\u6536\u5230\u4f60\u6240\u6307\u5b9a\u7684\u4fe1\u53f7\u65f6\uff0c\u9a6c\u4e0a\u505c\u4f4f\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\uff0c\u4ee5\u4f9b\u4f60\u8fdb\u884c\u8c03\u8bd5\u3002\u4f60\u53ef\u4ee5\u7528GDB\u7684handle\u547d\u4ee4\u6765\u5b8c\u6210\u8fd9\u4e00\u529f\u80fd\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 handle <signal> <keywords…>
\n\u5728GDB\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u4fe1\u53f7\u5904\u7406\u3002\u4fe1\u53f7<signal>\u53ef\u4ee5\u4ee5SIG\u5f00\u5934\u6216\u4e0d\u4ee5SIG\u5f00\u5934\uff0c\u53ef\u4ee5\u7528\u5b9a\u4e49\u4e00\u4e2a\u8981\u5904\u7406\u4fe1\u53f7\u7684\u8303\u56f4\uff08\u5982\uff1aSIGIO-SIGKILL\uff0c\u8868\u793a\u5904\u7406\u4eceSIGIO\u4fe1\u53f7\u5230SIGKILL\u7684\u4fe1\u53f7\uff0c\u5176\u4e2d\u5305\u62ecSIGIO\uff0cSIGIOT\uff0cSIGKILL\u4e09\u4e2a\u4fe1\u53f7\uff09\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5173\u952e\u5b57all\u6765\u6807\u660e\u8981\u5904\u7406\u6240\u6709\u7684\u4fe1\u53f7\u3002\u4e00\u65e6\u88ab\u8c03\u8bd5\u7684\u7a0b\u5e8f\u63a5\u6536\u5230\u4fe1\u53f7\uff0c\u8fd0\u884c\u7a0b\u5e8f\u9a6c\u4e0a\u4f1a\u88abGDB\u505c\u4f4f\uff0c\u4ee5\u4f9b\u8c03\u8bd5\u3002\u5176<keywords>\u53ef\u4ee5\u662f\u4ee5\u4e0b\u51e0\u79cd\u5173\u952e\u5b57\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 nostop
\n\u5f53\u88ab\u8c03\u8bd5\u7684\u7a0b\u5e8f\u6536\u5230\u4fe1\u53f7\u65f6\uff0cGDB\u4e0d\u4f1a\u505c\u4f4f\u7a0b\u5e8f\u7684\u8fd0\u884c\uff0c\u4f46\u4f1a\u6253\u51fa\u6d88\u606f\u544a\u8bc9\u4f60\u6536\u5230\u8fd9\u79cd\u4fe1\u53f7\u3002
\nstop
\n\u5f53\u88ab\u8c03\u8bd5\u7684\u7a0b\u5e8f\u6536\u5230\u4fe1\u53f7\u65f6\uff0cGDB\u4f1a\u505c\u4f4f\u4f60\u7684\u7a0b\u5e8f\u3002
\nprint
\n\u5f53\u88ab\u8c03\u8bd5\u7684\u7a0b\u5e8f\u6536\u5230\u4fe1\u53f7\u65f6\uff0cGDB\u4f1a\u663e\u793a\u51fa\u4e00\u6761\u4fe1\u606f\u3002
\nnoprint
\n\u5f53\u88ab\u8c03\u8bd5\u7684\u7a0b\u5e8f\u6536\u5230\u4fe1\u53f7\u65f6\uff0cGDB\u4e0d\u4f1a\u544a\u8bc9\u4f60\u6536\u5230\u4fe1\u53f7\u7684\u4fe1\u606f\u3002
\npass
\nnoignore
\n\u5f53\u88ab\u8c03\u8bd5\u7684\u7a0b\u5e8f\u6536\u5230\u4fe1\u53f7\u65f6\uff0cGDB\u4e0d\u5904\u7406\u4fe1\u53f7\u3002\u8fd9\u8868\u793a\uff0cGDB\u4f1a\u628a\u8fd9\u4e2a\u4fe1\u53f7\u4ea4\u7ed9\u88ab\u8c03\u8bd5\u7a0b\u5e8f\u4f1a\u5904\u7406\u3002
\nnopass
\nignore
\n\u5f53\u88ab\u8c03\u8bd5\u7684\u7a0b\u5e8f\u6536\u5230\u4fe1\u53f7\u65f6\uff0cGDB\u4e0d\u4f1a\u8ba9\u88ab\u8c03\u8bd5\u7a0b\u5e8f\u6765\u5904\u7406\u8fd9\u4e2a\u4fe1\u53f7\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 info signals
\ninfo handle
\n\u67e5\u770b\u6709\u54ea\u4e9b\u4fe1\u53f7\u5728\u88abGDB\u68c0\u6d4b\u4e2d\u3002<\/span><\/p>\n

\u5341\u3001\u7ebf\u7a0b\uff08Thread Stops\uff09<\/strong><\/span><\/p>\n

\u5982\u679c\u4f60\u7a0b\u5e8f\u662f\u591a\u7ebf\u7a0b\u7684\u8bdd\uff0c\u4f60\u53ef\u4ee5\u5b9a\u4e49\u4f60\u7684\u65ad\u70b9\u662f\u5426\u5728\u6240\u6709\u7684\u7ebf\u7a0b\u4e0a\uff0c\u6216\u662f\u5728\u67d0\u4e2a\u7279\u5b9a\u7684\u7ebf\u7a0b\u3002GDB\u5f88\u5bb9\u6613\u5e2e\u4f60\u5b8c\u6210\u8fd9\u4e00\u5de5\u4f5c\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0 break <linespec> thread <threadno>
\nbreak <linespec> thread <threadno> if …
\nlinespec\u6307\u5b9a\u4e86\u65ad\u70b9\u8bbe\u7f6e\u5728\u7684\u6e90\u7a0b\u5e8f\u7684\u884c\u53f7\u3002threadno\u6307\u5b9a\u4e86\u7ebf\u7a0b\u7684ID\uff0c\u6ce8\u610f\uff0c\u8fd9\u4e2aID\u662fGDB\u5206\u914d\u7684\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u201cinfo threads\u201d\u547d\u4ee4\u6765\u67e5\u770b\u6b63\u5728\u8fd0\u884c\u7a0b\u5e8f\u4e2d\u7684\u7ebf\u7a0b\u4fe1\u606f\u3002\u5982\u679c\u4f60\u4e0d\u6307\u5b9athread <threadno>\u5219\u8868\u793a\u4f60\u7684\u65ad\u70b9\u8bbe\u5728\u6240\u6709\u7ebf\u7a0b\u4e0a\u9762\u3002\u4f60\u8fd8\u53ef\u4ee5\u4e3a\u67d0\u7ebf\u7a0b\u6307\u5b9a\u65ad\u70b9\u6761\u4ef6\u3002\u5982\uff1a<\/span><\/p>\n

(gdb) break frik.c:13 thread 28 if bartab > lim<\/p>\n

\u00a0\u00a0\u00a0 \u5f53\u4f60\u7684\u7a0b\u5e8f\u88abGDB\u505c\u4f4f\u65f6\uff0c\u6240\u6709\u7684\u8fd0\u884c\u7ebf\u7a0b\u90fd\u4f1a\u88ab\u505c\u4f4f\u3002\u8fd9\u65b9\u4fbf\u4f60\u4f60\u67e5\u770b\u8fd0\u884c\u7a0b\u5e8f\u7684\u603b\u4f53\u60c5\u51b5\u3002\u800c\u5728\u4f60\u6062\u590d\u7a0b\u5e8f\u8fd0\u884c\u65f6\uff0c\u6240\u6709\u7684\u7ebf\u7a0b\u4e5f\u4f1a\u88ab\u6062\u590d\u8fd0\u884c\u3002\u90a3\u6015\u662f\u4e3b\u8fdb\u7a0b\u5728\u88ab\u5355\u6b65\u8c03\u8bd5\u65f6\u3002<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u539f\u6587\uff1ahttp:\/\/blog.csdn.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[117],"class_list":["post-786","post","type-post","status-publish","format-standard","hentry","tag-01-linux"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/786","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=786"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/786\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}