{"id":1641,"date":"2018-09-04T11:28:07","date_gmt":"2018-09-04T03:28:07","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1641"},"modified":"2019-08-13T10:40:19","modified_gmt":"2019-08-13T02:40:19","slug":"%e8%b0%83%e8%af%95%e5%a4%9a%e7%ba%bf%e7%a8%8b-%e6%9f%a5%e6%ad%bb%e9%94%81%e7%9a%84bug-gcore%e5%91%bd%e4%bb%a4-gdb%e5%af%b9%e5%a4%9a%e7%ba%bf%e7%a8%8b%e7%9a%84%e8%b0%83%e8%af%95-gcore-pstack","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1641","title":{"rendered":"\u8c03\u8bd5\u591a\u7ebf\u7a0b &#038; \u67e5\u6b7b\u9501\u7684bug &#038; gcore\u547d\u4ee4 &#038; gdb\u5bf9\u591a\u7ebf\u7a0b\u7684\u8c03\u8bd5 &#038; gcore &#038; pstack &#038; \u8c03\u8bd5\u5e38\u7528\u547d\u4ee4"},"content":{"rendered":"<div class=\"clear\"><a href=\"https:\/\/blog.csdn.net\/jctian000\/article\/details\/80695747\">\u539f\u6587\u5730\u5740<\/a><\/div>\n<div><\/div>\n<div class=\"postBody\">\n<div id=\"cnblogs_post_body\" class=\"blogpost-body\">\n<p>gdb<\/p>\n<p>thread apply all bt<\/p>\n<p>\u5982\u679c\u4f60\u53d1\u73b0\u6709\u90a3\u4e48\u51e0\u4e2a\u6808\u505c\u5728\u00a0pthread_wait\u00a0\u6216\u8005\u7c7b\u4f3c\u8c03\u7528\u4e0a\uff0c\u5927\u81f4\u5c31\u53ef\u4ee5\u5f97\u51fa\u7ed3\u8bba\uff1a\u5c31\u662f\u5b83\u4eec\u51e0\u4e2a\u513f\u5973\u60c5\u957f\uff0c\u803d\u8bef\u4e86\u6574\u4e2a\u8fdb\u7a0b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6ce8\u610fgdb\u7684\u7248\u672c\u8981\u9ad8\u4e8e7.0\uff0c\u4e4b\u524d\u4f7f\u7528\u8fc7gdb6.3\u8c03\u8bd5\u591a\u7ebf\u7a0b\u662f\u4e0d\u884c\u7684\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images2015.cnblogs.com\/blog\/899685\/201701\/899685-20170106140803675-1968613539.png\" alt=\"\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u4ece\u4e0a\u56fe\u53ef\u4ee5\u770b\u51fa\u4e24\u4e2a\u7ebf\u7a0b\u90fd\u963b\u585e\u5728wait\u4e0a\uff0c\u800c\u4e14\u8fd8\u7ed9\u51fa\u4e86\u5728\u54ea\u4e00\u884c\u4ee3\u7801\u4e2d\uff0c\u5f88\u5bb9\u6613\u5c31\u5b9a\u4f4d\u5230\u4ea7\u751f\u6b7b\u9501\u7684\u4f4d\u7f6e\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6709\u65f6\u5019\u7ebf\u7a0b\u592a\u591a\uff0c\u60f3\u5199\u5230\u6587\u4ef6\u91cc\uff0c\u53ef\u4ee5\uff1a<\/p>\n<p>(gdb)set logging file &lt;\u6587\u4ef6\u540d&gt;<\/p>\n<p>(gdb)set logging on<\/p>\n<p>(gdb)thread apply all bt<\/p>\n<p>(gdb)set logging off<\/p>\n<p>(gdb)quit<\/p>\n<p>&nbsp;<\/p>\n<p>\u7ee7\u7eedgdb + \u591a\u7ebf\u7a0b<\/p>\n<p><a href=\"http:\/\/www.cnblogs.com\/aixingfou\/archive\/2011\/07\/28\/2119875.html\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.cnblogs.com\/aixingfou\/archive\/2011\/07\/28\/2119875.html<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u5148\u4ecb\u7ecd\u4e00\u4e0bGDB\u591a\u7ebf\u7a0b\u8c03\u8bd5\u7684\u57fa\u672c\u547d\u4ee4\u3002<\/p>\n<p><strong>info threads<\/strong>\u00a0\u663e\u793a\u5f53\u524d\u53ef\u8c03\u8bd5\u7684\u6240\u6709\u7ebf\u7a0b\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u4f1a\u6709\u4e00\u4e2aGDB\u4e3a\u5176\u5206\u914d\u7684ID\uff0c\u540e\u9762\u64cd\u4f5c\u7ebf\u7a0b\u7684\u65f6\u5019\u4f1a\u7528\u5230\u8fd9\u4e2aID\u3002 \u524d\u9762\u6709*\u7684\u662f\u5f53\u524d\u8c03\u8bd5\u7684\u7ebf\u7a0b\u3002<\/p>\n<p><strong>thread ID<\/strong>\u00a0\u5207\u6362\u5f53\u524d\u8c03\u8bd5\u7684\u7ebf\u7a0b\u4e3a\u6307\u5b9aID\u7684\u7ebf\u7a0b\u3002<\/p>\n<p><strong>break thread_test.c:123 thread all\u00a0<\/strong>\u5728\u6240\u6709\u7ebf\u7a0b\u4e2d\u76f8\u5e94\u7684\u884c\u4e0a\u8bbe\u7f6e\u65ad\u70b9\uff08watch\u4e5f\u53ef\u4ee5\u6307\u5b9athread\uff09<\/p>\n<p><strong>thread apply ID1 ID2 command\u00a0<\/strong>\u8ba9\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u7ebf\u7a0b\u6267\u884cGDB\u547d\u4ee4command\u3002<\/p>\n<p><strong>thread apply all command<\/strong>\u00a0\u8ba9\u6240\u6709\u88ab\u8c03\u8bd5\u7ebf\u7a0b\u6267\u884cGDB\u547d\u4ee4command\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>set scheduler-locking off|on|step<\/strong>\u00a0\u4f30\u8ba1\u662f\u5b9e\u9645\u4f7f\u7528\u8fc7\u591a\u7ebf\u7a0b\u8c03\u8bd5\u7684\u4eba\u90fd\u53ef\u4ee5\u53d1\u73b0\uff0c\u5728\u4f7f\u7528step\u6216\u8005continue\u547d\u4ee4\u8c03\u8bd5\u5f53\u524d\u88ab\u8c03\u8bd5\u7ebf\u7a0b\u7684\u65f6\u5019\uff0c\u5176\u4ed6\u7ebf\u7a0b\u4e5f\u662f\u540c\u65f6\u6267\u884c\u7684\uff0c\u600e\u4e48\u53ea\u8ba9\u88ab\u8c03\u8bd5 \u7a0b\u5e8f\u6267\u884c\u5462\uff1f<\/p>\n<p>&nbsp;<\/p>\n<p>\uff08\u6ce8\uff1astep\u662f\u8fdb\u5165\u5185\u90e8\uff0cnext\u662f\u5916\u90e8\u8fc7\u4e00\u4e0b\uff09<\/p>\n<p>\u901a\u8fc7\u8fd9\u4e2a\u547d\u4ee4\u5c31\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e2a\u9700\u6c42\u3002off \u4e0d\u9501\u5b9a\u4efb\u4f55\u7ebf\u7a0b\uff0c\u4e5f\u5c31\u662f\u6240\u6709\u7ebf\u7a0b\u90fd\u6267\u884c\uff0c\u8fd9\u662f\u9ed8\u8ba4\u503c\u3002\u00a0on \u53ea\u6709\u5f53\u524d\u88ab\u8c03\u8bd5\u7a0b\u5e8f\u4f1a\u6267\u884c\u3002\u00a0step \u5728\u5355\u6b65\u7684\u65f6\u5019\uff0c\u9664\u4e86next\u8fc7\u4e00\u4e2a\u51fd\u6570\u7684\u60c5\u51b5(\u719f\u6089\u60c5\u51b5\u7684\u4eba\u53ef\u80fd\u77e5\u9053\uff0c\u8fd9\u5176\u5b9e\u662f\u4e00\u4e2a\u8bbe\u7f6e\u65ad\u70b9\u7136\u540econtinue\u7684\u884c\u4e3a)\u4ee5\u5916\uff0c\u53ea\u6709\u5f53\u524d\u7ebf\u7a0b\u4f1a\u6267\u884c\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>gdb\u5bf9\u4e8e\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u7684\u8c03\u8bd5\u6709\u5982\u4e0b\u7684\u652f\u6301\uff1a<\/p>\n<ul>\n<li>\u7ebf\u7a0b\u4ea7\u751f\u901a\u77e5\uff1a\u5728\u4ea7\u751f\u65b0\u7684\u7ebf\u7a0b\u65f6, gdb\u4f1a\u7ed9\u51fa\u63d0\u793a\u4fe1\u606f<\/li>\n<\/ul>\n<p>(gdb)\u00a0r<br \/>\nStarting program: \/root\/thread<br \/>\n[New Thread 1073951360 (LWP 12900)]<br \/>\n[New Thread 1082342592 (LWP 12907)]&#8212;\u4ee5\u4e0b\u4e09\u4e2a\u4e3a\u65b0\u4ea7\u751f\u7684\u7ebf\u7a0b<br \/>\n[New Thread 1090731072 (LWP 12908)]<br \/>\n[New Thread 1099119552 (LWP 12909)]<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u67e5\u770b\u7ebf\u7a0b\uff1a\u4f7f\u7528\u53ef\u4ee5\u67e5\u770b\u8fd0\u884c\u7684\u7ebf\u7a0b\u3002info threads<\/li>\n<\/ul>\n<p>(gdb) info threads<br \/>\n4\u00a0Thread 1099119552 (LWP\u00a012940)\u00a0\u00a0 0xffffe002 in ?? ()<br \/>\n3\u00a0Thread 1090731072 (LWP 12939)\u00a0\u00a0 0xffffe002 in ?? ()<br \/>\n2\u00a0Thread 1082342592 (LWP 12938)\u00a0\u00a0 0xffffe002 in ?? ()<br \/>\n*\u00a01\u00a0Thread 1073951360 (LWP 12931)\u00a0\u00a0 main (argc=1, argv=0xbfffda04) at thread.c:21<br \/>\n(gdb)<\/p>\n<p>&nbsp;<\/p>\n<p>\u6ce8\u610f\uff0c\u884c\u9996\u7684\u84dd\u8272\u6587\u5b57\u4e3agdb\u5206\u914d\u7684\u7ebf\u7a0b\u53f7\uff0c\u5bf9\u7ebf\u7a0b\u8fdb\u884c\u5207\u6362\u65f6\uff0c\u4f7f\u7528\u8be5\u8be5\u53f7\u7801\uff0c\u800c\u4e0d\u662f\u4e0a\u6587\u6807\u51fa\u7684\u7eff\u8272\u6570\u5b57\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u884c\u9996\u7684\u7ea2\u8272\u661f\u53f7\u6807\u8bc6\u4e86\u5f53\u524d\u6d3b\u52a8\u7684\u7ebf\u7a0b<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5207\u6362\u7ebf\u7a0b\uff1a\u4f7f\u7528\u00a0thread THREADNUMBER\u00a0\u8fdb\u884c\u5207\u6362\uff0cTHREADNUMBER\u00a0\u4e3a\u4e0a\u6587\u63d0\u5230\u7684\u7ebf\u7a0b\u53f7\u3002\u4e0b\u4f8b\u663e\u793a\u5c06\u6d3b\u52a8\u7ebf\u7a0b\u4ece 1 \u5207\u6362\u81f3 4\u3002<\/li>\n<\/ul>\n<p>(gdb) info threads<br \/>\n4 Thread 1099119552 (LWP 12940)\u00a0\u00a0 0xffffe002 in ?? ()<br \/>\n3 Thread 1090731072 (LWP 12939)\u00a0\u00a0 0xffffe002 in ?? ()<br \/>\n2 Thread 1082342592 (LWP 12938)\u00a0\u00a0 0xffffe002 in ?? ()<br \/>\n* 1 Thread 1073951360 (LWP 12931)\u00a0\u00a0 main (argc=1, argv=0xbfffda04) at thread.c:21<br \/>\n(gdb)\u00a0thread 4<br \/>\n[Switching to thread 4 (Thread 1099119552 (LWP 12940))]#0\u00a0\u00a0 0xffffe002 in ?? ()<br \/>\n(gdb) info threads<br \/>\n* 4 Thread 1099119552 (LWP 12940)\u00a0\u00a0 0xffffe002 in ?? ()<br \/>\n3 Thread 1090731072 (LWP 12939)\u00a0\u00a0 0xffffe002 in ?? ()<br \/>\n2 Thread 1082342592 (LWP 12938)\u00a0\u00a0 0xffffe002 in ?? ()<br \/>\n1 Thread 1073951360 (LWP 12931)\u00a0\u00a0 main (argc=1, argv=0xbfffda04) at thread.c:21<br \/>\n(gdb)<\/p>\n<p>&nbsp;<\/p>\n<p>\u4ee5\u4e0a\u5373\u4e3a\u4f7f\u7528gdb\u63d0\u4f9b\u7684\u5bf9\u591a\u7ebf\u7a0b\u8fdb\u884c\u8c03\u8bd5\u7684\u4e00\u4e9b\u57fa\u672c\u547d\u4ee4\u3002\u53e6\u5916\uff0cgdb\u4e5f\u63d0\u4f9b\u5bf9\u7ebf\u7a0b\u7684\u65ad\u70b9\u8bbe\u7f6e\u4ee5\u53ca\u5bf9\u6307\u5b9a\u6216\u6240\u6709\u7ebf\u7a0b\u53d1\u5e03\u547d\u4ee4\u7684\u547d\u4ee4\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u521d\u6b21\u63a5\u89e6gdb\u4e0b\u591a\u7ebf\u7a0b\u7684\u8c03\u8bd5\uff0c\u5f80\u5f80\u4f1a\u5ffd\u89c6gdb\u4e2d\u6d3b\u52a8\u7ebf\u7a0b\u7684\u6982\u5ff5\u3002\u4e00\u822c\u6765\u8bb2\uff0c\u5728\u4f7f\u7528gdb\u8c03\u8bd5\u7684\u65f6\u5019\uff0c\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u4e3a\u6d3b\u52a8\u7ebf\u7a0b\uff0c\u5982\u679c\u5e0c\u671b\u5f97\u5230\u5176\u4ed6\u7684\u7ebf\u7a0b\u7684\u8f93\u51fa\u7ed3\u679c\uff0c\u5fc5\u987b\u4f7f\u7528thread\u547d\u4ee4\u5207\u6362\u81f3\u6307\u5b9a\u7684\u7ebf\u7a0b\uff0c\u624d\u80fd\u5bf9\u8be5\u7ebf\u7a0b\u8fdb\u884c\u8c03\u8bd5\u6216\u89c2\u5bdf\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u591a\u7ebf\u7a0b\u5982\u679cdump\uff0c\u591a\u4e3a\u6bb5\u9519\u8bef\uff0c\u4e00\u822c\u90fd\u6d89\u53ca\u5185\u5b58\u975e\u6cd5\u8bfb\u5199\u3002\u53ef\u4ee5\u8fd9\u6837\u5904\u7406\uff0c\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u6253\u5f00\u7cfb\u7edf\u5f00\u5173\uff0c\u8ba9\u5176\u53ef\u4ee5\u5728\u6b7b\u6389\u7684\u65f6\u5019\u751f\u6210core\u6587\u4ef6\u3002<br \/>\nulimit -c unlimited<\/p>\n<p>&nbsp;<\/p>\n<p>\u8fd9\u6837\u7684\u8bdd\u6b7b\u6389\u7684\u65f6\u5019\u5c31\u53ef\u4ee5\u5728\u5f53\u524d\u76ee\u5f55\u770b\u5230core.pid(pid\u4e3a\u8fdb\u7a0b\u53f7)\u7684\u6587\u4ef6\u3002\u63a5\u7740\u4f7f\u7528gdb:<br \/>\ngdb .\/bin .\/core.pid<br \/>\n\u8fdb\u53bb\u540e\uff0c\u4f7f\u7528bt\u67e5\u770b\u6b7b\u6389\u65f6\u6808\u7684\u60c5\u51b5\uff0c\u5728\u4f7f\u7528frame\u547d\u4ee4\u3002frame\u547d\u4ee4\u662f\u5207\u6362\u5230bt\u6808\u7684\u5404\u4e2a\u5c42\u7ea7\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>gcore\u547d\u4ee4\uff08\u597d\u50cf\u4e5f\u53ef\u4ee5gdb attach\u5230\u8fdb\u7a0b\u4e0a,quit\u5c31\u662fdetach\uff0c\u4e0d\u5f71\u54cd\u539f\u8fdb\u7a0b\uff09<\/h2>\n<p>\u9047\u5230\u67d0\u4e2a\u8fdb\u7a0b\u633a\u4f4f\uff0c\u53ef\u4ee5\u7528gcore\u547d\u4ee4\uff1a<\/p>\n<p>gcore pid \uff08\u8c03\u8bd5\u8fdb\u7a0b\u7684pid\u53f7\uff09<\/p>\n<p>\u6ce8\u610f\uff1a\u4e0d\u4f1a\u9000\u51fa\u7684\uff0c\u4eb2\u81ea\u5b9e\u9a8c\uff0c\u6709\u7684\u6587\u7ae0\u8bf4\u4e3b\u52a8\u51faCore\u5e76\u9000\u51fa\uff0c\u662f\u9519\u7684\uff01\u7a0b\u5e8f\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<div class=\"cnblogs_code\">\n<div class=\"cnblogs_code_toolbar\"><span class=\"cnblogs_code_copy\"><a title=\"\u590d\u5236\u4ee3\u7801\"><img decoding=\"async\" src=\"https:\/\/common.cnblogs.com\/images\/copycode.gif\" alt=\"\u590d\u5236\u4ee3\u7801\" \/><\/a><\/span><\/div>\n<pre>$ gcore 34272\r\n\r\n$ gdb -c core.34272 .\/errno_demo \r\nGNU gdb Red Hat Linux (6.3.0.0-1.96rh)\r\nCopyright 2004 Free Software Foundation, Inc.\r\nGDB is free software, covered by the GNU General Public License, and you are\r\nwelcome to change it and\/or distribute copies of it under certain conditions.\r\nType \"show copying\" to see the conditions.\r\nThere is absolutely no warranty for GDB.  Type \"show warranty\" for details.\r\nThis GDB was configured as \"x86_64-redhat-linux-gnu\"...Using host libthread_db library \"\/lib64\/tls\/libthread_db.so.1\".\r\n\r\nFailed to read a valid object file image from memory.\r\nCore was generated by `\/home\/work\/data\/code\/errno_demo\/errno_demo'.\r\nReading symbols from \/usr\/lib64\/libstdc++.so.6...done.\r\nLoaded symbols for \/usr\/lib64\/libstdc++.so.6\r\nReading symbols from \/lib64\/tls\/libm.so.6...done.\r\nLoaded symbols for \/lib64\/tls\/libm.so.6\r\nReading symbols from \/lib64\/libgcc_s.so.1...done.\r\nLoaded symbols for \/lib64\/libgcc_s.so.1\r\nReading symbols from \/lib64\/tls\/libc.so.6...done.\r\nLoaded symbols for \/lib64\/tls\/libc.so.6\r\nReading symbols from \/lib64\/ld-linux-x86-64.so.2...done.\r\nLoaded symbols for \/lib64\/ld-linux-x86-64.so.2\r\n#0  0x0000003f0b08f072 in __nanosleep_nocancel () from \/lib64\/tls\/libc.so.6\r\n(gdb) bt\r\n#0  0x0000003f0b08f072 in __nanosleep_nocancel () from \/lib64\/tls\/libc.so.6\r\n#1  0x0000003f0b08ef10 in sleep () from \/lib64\/tls\/libc.so.6\r\n#2  0x0000000000400603 in main () at errno_demo.cpp:27\r\n(gdb) info thread\r\n* 1 process 34272  0x0000003f0b08f072 in __nanosleep_nocancel () from \/lib64\/tls\/libc.so.6\r\n(gdb)<\/pre>\n<div class=\"cnblogs_code_toolbar\"><span class=\"cnblogs_code_copy\"><a title=\"\u590d\u5236\u4ee3\u7801\"><img decoding=\"async\" src=\"https:\/\/common.cnblogs.com\/images\/copycode.gif\" alt=\"\u590d\u5236\u4ee3\u7801\" \/><\/a><\/span><\/div>\n<\/div>\n<p>\u800c\u8fd9\u4e2a\u65f6\u5019\uff0c\u539f\u6765sleep\u7684\u7a0b\u5e8f\u6b63\u5e38\u5728sleep\u7684\u3002\u5728sleep\u518d\u52a0\u4e00\u4e9b\u8bed\u53e5\uff0c\u4e5f\u662f\u4f1a\u6b63\u5e38\u8fd0\u884c\u7684\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u624b\u52a8\u751f\u6210core\u6587\u4ef6\uff0c\u5728\u4f7f\u7528pstack(linux\u4e0b\u597d\u50cf\u4e0d\u597d\u4f7f)\u67e5\u770b\u5806\u6808\u7684\u60c5\u51b5\u3002\u5982\u679c\u90fd\u770b\u4e0d\u51fa\u6765\uff0c\u5c31\u4ed4\u7ec6\u67e5\u770b\u4ee3\u7801\uff0c\u770b\u770b\u662f\u4e0d\u662f\u5728if\uff0creturn\uff0cbreak\uff0ccontinue\u8fd9\u79cd\u8bed\u53e5\u64cd\u4f5c\u662f\u5fd8\u8bb0\u89e3\u9501\uff0c\u8fd8\u6709\u5d4c\u5957\u9501\u7684\u95ee\u9898\uff0c\u90fd\u9700\u8981\u5206\u6790\u6e05\u695a\u4e86\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>gdb attach<\/h3>\n<p>gdb \u8c03\u8bd5\u8fd0\u884c\u7684\u8fdb\u7a0b<\/p>\n<p>gdb -p &lt;\u8fdb\u7a0b\u53f7&gt;<\/p>\n<p>\u6216\u8005:<\/p>\n<p>gdb<\/p>\n<p>attach &lt;\u8fdb\u7a0b\u53f7&gt;<\/p>\n<p>&nbsp;<\/p>\n<p>gdb\u91cc\u9762quit\u4e4b\u540e\uff0c<\/p>\n<p>Detaching from program: \/home\/work\/data\/code\/errno_demo\/errno_demo, process 33386<\/p>\n<p>\u539f\u8fdb\u7a0b\u7167\u6837\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u8c03\u8bd5\u5e38\u7528\u547d\u4ee4<\/h2>\n<p>&nbsp;<\/p>\n<h3>gdb<\/h3>\n<h3>gcore<\/h3>\n<h3>pstack<\/h3>\n<div class=\"cnblogs_code\">\n<pre>$ pstack 5737 \r\n#0  0x0000003f0b08f072 in __nanosleep_nocancel () from \/lib64\/tls\/libc.so.6\r\n#1  0x0000003f0b08ef10 in sleep () from \/lib64\/tls\/libc.so.6\r\n#2  0x0000000000400603 in main ()<\/pre>\n<\/div>\n<p>\u8fd8\u80fd\u8ddf\u8e2a\u5230\u7ebf\u7a0b\u7ea7\u522b\uff1a<\/p>\n<div class=\"cnblogs_code\">\n<pre>pstack\u663e\u793a\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u6808\u8ddf\u8e2a\uff1a pstack 4551 Thread 7 (Thread 1084229984 (LWP 4552)): #0 0x000000302afc63dc in epoll_wait () from \/lib64\/tls\/libc.so.6 #1 0x00000000006f0730 in ub::EPollEx::poll () #2 0x00000000006f172a in ub::NetReactor::callback () #3 0x00000000006fbbbb in ub::UBTask::CALLBACK () #4 0x000000302b80610a in start_thread () from \/lib64\/tls\/libpthread.so.0 #5 0x000000302afc6003 in clone () from \/lib64\/tls\/libc.so.6 #6 0x0000000000000000 in ?? () Thread 6 (Thread 1094719840 (LWP 4553)): #0 0x000000302afc63dc in epoll_wait () from \/lib64\/tls\/libc.so.6 #1 0x00000000006f0730 in ub::EPollEx::poll () #2 0x00000000006f172a in ub::NetReactor::callback () #3 0x00000000006fbbbb in ub::UBTask::CALLBACK () #4 0x000000302b80610a in start_thread () from \/lib64\/tls\/libpthread.so.0 #5 0x000000302afc6003 in clone () from \/lib64\/tls\/libc.so.6 #6 0x0000000000000000 in ?? ()<\/pre>\n<\/div>\n<p>&nbsp;<\/p>\n<h3>strace<\/h3>\n<pre># strace -o server.strace -Ttt -p 16739<\/pre>\n<p>\u5e38\u7528\u7684\u53c2\u6570\uff0c -T\u662f\u65f6\u95f4\uff0ctt\u662fusecs<\/p>\n<p>&nbsp;<\/p>\n<p>sleep\u51fd\u6570\u91cc\u9762\u7684\u7cfb\u7edf\u8c03\u7528\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<div class=\"cnblogs_code\">\n<pre>$ strace -Ttt -p 28699 \r\nProcess 28699 attached - interrupt to quit\r\n16:05:45.894785 restart_syscall(0x7fff19ca31f0, 0x7fff19ca31f0, 0, 0x8, 0x7fff19ca3050<\/pre>\n<\/div>\n<p>\u8fc7\u4e86\u4e00\u4f1a\u513f\uff0c\u51fa\u6765\u66f4\u591a\u7ed3\u679c\uff1a<\/p>\n<div class=\"cnblogs_code\">\n<div class=\"cnblogs_code_toolbar\"><span class=\"cnblogs_code_copy\"><a title=\"\u590d\u5236\u4ee3\u7801\"><img decoding=\"async\" src=\"https:\/\/common.cnblogs.com\/images\/copycode.gif\" alt=\"\u590d\u5236\u4ee3\u7801\" \/><\/a><\/span><\/div>\n<pre>$ strace -Ttt -p 28699 \r\nProcess 28699 attached - interrupt to quit\r\n16:05:45.894785 restart_syscall(0x7fff19ca31f0, 0x7fff19ca31f0, 0, 0x8, 0x7fff19ca3050) = 0 &lt;39.413698&gt;\r\n16:06:25.308576 write(1, \"bye\\n\", 4)    = 4 &lt;0.000014&gt;\r\n16:06:25.308665 munmap(0x7f55029a8000, 4096) = 0 &lt;0.000019&gt;\r\n16:06:25.308707 exit_group(0)           = ?\r\nProcess 28699 detached<\/pre>\n<div class=\"cnblogs_code_toolbar\"><span class=\"cnblogs_code_copy\"><a title=\"\u590d\u5236\u4ee3\u7801\"><img decoding=\"async\" src=\"https:\/\/common.cnblogs.com\/images\/copycode.gif\" alt=\"\u590d\u5236\u4ee3\u7801\" \/><\/a><\/span><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3>\u66f4\u591agdb\u9009\u9879<\/h3>\n<p><a href=\"http:\/\/blog.csdn.net\/hejinjing_tom_com\/article\/details\/9472041\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/blog.csdn.net\/hejinjing_tom_com\/article\/details\/9472041<\/a><\/p>\n<p>\u9ed8\u8ba4\u7f16\u8bd1\u7684\u65f6\u5019\uff0c\u8c03\u8bd5\u8fc7\u7a0b\u662f\u770b\u4e0d\u89c1\u5b8f\u7684\u503c\u7684\u3002\u7f16\u8bd1\u65f6\u5019\u9700\u8981\u7ed9\u9009\u9879\u3002-g3 \uff08\u6ca1\u5b9e\u9a8c\u8fc7\uff09<\/p>\n<p>&nbsp;<\/p>\n<p>tbreak \u4e34\u65f6\u8bbe\u7f6e\u4e00\u6b21<\/p>\n<p>break\uff0ctbreak\u53ef\u4ee5\u6839\u636e\u884c\u53f7\u3001\u51fd\u6570\u3001\u6761\u4ef6\u751f\u6210\u65ad\u70b9\u3002tbreak\u8bbe\u7f6e\u65b9\u6cd5\u4e0ebreak\u76f8\u540c\uff0c\u53ea\u4e0d\u8fc7tbreak\u53ea\u5728\u65ad\u70b9\u505c\u4e00\u6b21\uff0c\u8fc7\u540e\u4f1a\u81ea\u52a8\u5c06\u65ad\u70b9\u5220\u9664<\/p>\n<p>&nbsp;<\/p>\n<p>\u9644\u5f55\uff1agdb\u00a0 \u5e38\u7528\u8c03\u8bd5\u547d\u4ee4<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br \/>\n(gdb) l \uff1a\uff08\u5b57\u6bcdl\uff09\u5217\u51fa\u6e90\u7801<br \/>\n(gdb) b n :\u5728\u7b2cn\u884c\u5904\u8bbe\u7f6e\u65ad\u70b9<br \/>\n(gdb) b func\uff1a\u5728\u51fd\u6570func()\u7684\u5165\u53e3\u5904\u8bbe\u7f6e\u65ad\u70b9<\/p>\n<p>(gdb) \u6761\u4ef6\u65ad\u70b9\uff1a\u6761\u4ef6\u53ef\u4ee5\u662f\u4efb\u4f55\u5408\u6cd5\u7684c \u8868\u8fbe\u5f0f\u3002 \u4f8b\u5982\u00a0b n if val1==val2<\/p>\n<p>\u5f53\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u65ad\u70b9\uff0c\u53ef\u4ee5\u7528condition \u547d\u4ee4\u5bf9\u65ad\u70b9\u53f7\u6dfb\u52a0\u6761\u4ef6\uff0c \u4f8b:\u00a0condition 2 val1==val2 , \u6ce8\u610f\uff0c\u6ca1\u6709if \u5355\u8bcd<\/p>\n<p>\u5f53\u5bf9\u53d8\u91cf\u7684\u6539\u53d8\u66f4\u611f\u5174\u8da3\u65f6\uff0c\u53ef\u4ee5\u7528watch \u547d\u4ee4<\/p>\n<p>(gdb) info break\uff1a \u67e5\u770b\u65ad\u70b9\u4fe1\u606f \u00a0\uff08\u66f4\u591a\u65ad\u70b9\u7c7b\uff0c\u89c1\u4e0b\uff09<br \/>\n(gdb) r\uff1a\u8fd0\u884c\u7a0b\u5e8f<br \/>\n(gdb) n\uff1a\u5355\u6b65\u6267\u884c<br \/>\n(gdb) s\uff1a\u5355\u6b65\u8c03\u8bd5\u5982\u679c\u6709\u51fd\u6570\u8c03\u7528\uff0c\u5219\u8fdb\u5165\u51fd\u6570\uff1b\u4e0e\u547d\u4ee4n\u4e0d\u540c\uff0cn\u662f\u4e0d\u8fdb\u5165\u8c03\u7528\u7684\u51fd\u6570\u7684<br \/>\n(gdb) c\uff1a\u7ee7\u7eed\u8fd0\u884c<br \/>\n(gdb) p \u53d8\u91cf \uff1a\u6253\u5370\u53d8\u91cf\u7684\u503c\u00a0\u00a0\u00a0\u00a0 \u4e5f\u80fd\u591f\u4fee\u6539\u53d8\u91cf\u7684\u503c\uff08\u7528 = \u8d4b\u503c\uff09 \/\/\u00a0\u6253\u5370\u5bc4\u5b58\u5668\u503c\u3002\u00a0p $eax<\/p>\n<p>(gdb) x \/nfu &lt;addr&gt; \u663e\u793a\u5185\u5b58\u00a0 \/\/ n\u4e3a\u4e2a\u6570\uff0cf \u4e3a\u683c\u5f0f\uff0cu\u4e3a\u6bcf\u5355\u5143\u957f\u5ea6<\/p>\n<p>\u547d\u4ee4:x \/3uh 0x54320\u00a0\u8868\u793a,\u4ece\u5185\u5b58\u5730\u57400x54320\u8bfb\u53d6\u5185\u5bb9,h\u8868\u793a\u4ee5\u53cc\u5b57\u8282\u4e3a\u4e00\u4e2a\u5355\u4f4d,3\u8868\u793a\u8f93\u51fa\u4e09\u4e2a\u5355\u4f4d,u\u8868\u793a\u6309\u5341\u516d\u8fdb\u5236\u663e\u793a\u3002<\/p>\n<p>(gdb) bt\uff1a\u67e5\u770b\u51fd\u6570\u5806\u6808<br \/>\n(gdb) finish\uff1a\u9000\u51fa\u51fd\u6570<\/p>\n<p>(gdb) display &lt;var&gt;\u00a0\u6bcf\u6b21\u4e2d\u65ad\u6216\u5355\u6b65\u90fd\u663e\u793a\u4f60\u5173\u5fc3\u7684\u53d8\u91cf<\/p>\n<p><strong>(gdb)undisplay<\/strong>\u00a0&lt;\u7f16\u53f7&gt;<br \/>\n(gdb) shell \u547d\u4ee4\u884c\uff1a\u6267\u884cshell\u547d\u4ee4\u884c<br \/>\n(gdb) set args \u53c2\u6570:\u6307\u5b9a\u8fd0\u884c\u65f6\u7684\u53c2\u6570<br \/>\n(gdb) show args\uff1a\u67e5\u770b\u8bbe\u7f6e\u597d\u7684\u53c2\u6570<br \/>\n(gdb)info program\uff1a \u6765\u67e5\u770b\u7a0b\u5e8f\u7684\u662f\u5426\u5728\u8fd0\u884c\uff0c\u8fdb\u7a0b\u53f7\uff0c\u88ab\u6682\u505c\u7684\u539f\u56e0\u3002 \/\/ \u6253\u5370\u5bc4\u5b58\u5668\u6570\u7ec4\uff0c\u00a0info reg,\u00a0 \u7b80\u5199 i reg\uff1b info threads(\u6ce8\u610f\u6709s)<br \/>\n(gdb)clear \u884c\u53f7n\uff1a\u6e05\u9664\u7b2cn\u884c\u7684\u65ad\u70b9<br \/>\n(gdb)delete \u65ad\u70b9\u53f7n\uff1a\u5220\u9664\u7b2cn\u4e2a\u65ad\u70b9<br \/>\n(gdb)disable \u65ad\u70b9\u53f7n\uff1a\u6682\u505c\u7b2cn\u4e2a\u65ad\u70b9<br \/>\n(gdb)enable \u65ad\u70b9\u53f7n\uff1a\u5f00\u542f\u7b2cn\u4e2a\u65ad\u70b9<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br \/>\ngdb \u6761\u4ef6\u8c03\u8bd5<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br \/>\n\u201cbreak &#8230; if cond&#8221; \u547d\u4ee4<br \/>\n\u4f8b: b fun() if i==20<\/p>\n<p>&nbsp;<\/p>\n<p>watch var\u00a0\u00a0\u00a0 \/\/ \u6b64\u65f6\u76d1\u6d4bvar\u7684\u53d8\u5316<\/p>\n<p>&nbsp;<\/p>\n<p>\u53d1\u51fa\u00a0&#8216;info locals&#8217;\u00a0\u547d\u4ee4\u65f6\uff0cgdb \u4f1a\u6253\u5370\u51fa\u5f53\u524d\u5e27\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf\uff0c\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u5e27\u4e2d\u7684\u51fd\u6570\u5c31\u662f\u88ab\u4e2d\u65ad\u7684\u51fd\u6570\uff080 \u53f7\u5e27\uff09\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u8981\u83b7\u53d6\u6709\u5173\u5e27\u7684\u8fdb\u4e00\u6b65\u4fe1\u606f\uff0c\u5982\u5b83\u7684\u5730\u5740\u548c\u7a0b\u5e8f\u8bed\u8a00\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u00a0&#8216;info frame&#8217;\u3002<\/p>\n<p>backtrace &lt;n&gt;\uff0c bt &lt;n&gt; n\u662f\u4e00\u4e2a\u6b63\u6574\u6570\uff0c\u8868\u793a\u53ea\u6253\u5370\u6808\u9876\u4e0an\u5c42\u7684\u6808\u4fe1\u606f\u3002<br \/>\nbacktrace &lt;-n&gt; \uff0cbt &lt;-n&gt; -n\u8868\u4e00\u4e2a\u8d1f\u6574\u6570\uff0c\u8868\u793a\u53ea\u6253\u5370\u6808\u5e95\u4e0bn\u5c42\u7684\u6808\u4fe1\u606f\u3002<\/p>\n<p>up &lt;n&gt;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u8868\u793a\u5411\u6808\u7684\u4e0a\u9762\u79fb\u52a8n\u5c42\uff0c\u53ef\u4ee5\u4e0d\u6253n\uff0c\u8868\u793a\u5411\u4e0a\u79fb\u52a8\u4e00\u5c42\u3002<br \/>\ndown &lt;n&gt; \u8868\u793a\u5411\u6808\u7684\u4e0b\u9762\u79fb\u52a8n\u5c42\uff0c\u53ef\u4ee5\u4e0d\u6253n\uff0c\u8868\u793a\u5411\u4e0b\u79fb\u52a8\u4e00\u5c42\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>info frame\uff0cinfo f<\/p>\n<p>(gdb) info f<br \/>\nStack level 0, frame at 0xbffff5d4:<br \/>\neip = 0x804845d in func (tst.c:6); saved eip 0x8048524<br \/>\ncalled by frame at 0xbffff60c<br \/>\nsource language c.<br \/>\nArglist at 0xbffff5d4, args: n=250<br \/>\nLocals at 0xbffff5d4, Previous frame&#8217;s sp is 0x0<br \/>\nSaved registers:<br \/>\nebp at 0xbffff5d4, eip at 0xbffff5d8<br \/>\ninfo args\u00a0\u00a0\u00a0\u00a0\u00a0 \u6253\u5370\u51fa\u5f53\u524d\u51fd\u6570\u7684\u53c2\u6570\u540d\u53ca\u5176\u503c\u3002<br \/>\ninfo locals\u00a0\u00a0\u00a0\u00a0 \u6253\u5370\u51fa\u5f53\u524d\u51fd\u6570\u4e2d\u6240\u6709\u5c40\u90e8\u53d8\u91cf\u53ca\u5176\u503c\u3002<br \/>\ninfo catch\u00a0\u00a0\u00a0\u00a0\u00a0 \u6253\u5370\u51fa\u5f53\u524d\u7684\u51fd\u6570\u4e2d\u7684\u5f02\u5e38\u5904\u7406\u4fe1\u606f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u8fdc\u7a0b\u8c03\u8bd5<\/p>\n<p>\u6ca1\u7528\u8fc7\uff0c\u662f\u4e0d\u662f\u5d4c\u5165\u5f0f\u7528\u7684\uff1f<\/p>\n<p>&nbsp;<\/p>\n<p>gdb \u5185\u5b58\u65ad\u70b9\u8bbe\u7f6e\u3002<br \/>\nrwatch, watch, awatch \u5206\u522b\u4ee3\u8868\u8bfb\uff0c\u5199\uff0c\u8bfb\u5199\u5185\u5b58\u65ad\u70b9,\u7528\u7684\u662f\u786c\u4ef6\u65ad\u70b9\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e0e\u8c03\u8bd5\u63a7\u5236\u76f8\u5173\u7684\u547d\u4ee4<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>\n<div>continue\u00a0\u00a0\u00a0\u00a0\u7ee7\u7eed\u8fd0\u884c\u7a0b\u5e8f\u76f4\u5230\u4e0b\u4e00\u4e2a<strong>\u65ad\u70b9<\/strong>\uff08\u7c7b\u4f3c\u4e8eVS\u91cc\u7684F5\uff09<\/div>\n<\/li>\n<li>\n<div>next\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u9010\u8fc7\u7a0b\u6b65\u8fdb\uff0c\u4e0d\u4f1a\u8fdb\u5165\u5b50\u51fd\u6570\uff08\u7c7b\u4f3cVS\u91cc\u7684F10\uff09<\/div>\n<\/li>\n<li>\n<div>step\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u9010\u8bed\u53e5\u6b65\u8fdb\uff0c\u4f1a\u8fdb\u5165\u5b50\u51fd\u6570\uff08\u7c7b\u4f3cVS\u91cc\u7684F11\uff09<\/div>\n<\/li>\n<li>\n<div>until\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8fd0\u884c\u81f3\u5f53\u524d\u8bed\u53e5\u5757\u7ed3\u675f<\/div>\n<\/li>\n<li>\n<div>finish\u00a0 \u8fd0\u884c\u81f3\u51fd\u6570\u7ed3\u675f\u5e76\u8df3\u51fa\uff0c\u5e76\u6253\u5370\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff08\u7c7b\u4f3cVS\u7684Shift+F11\uff09<\/div>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>s : step in<\/p>\n<p>fin: step out\uff0c \u8df3\u51fa\u51fd\u6570<\/p>\n<p>until \u884c\u53f7\u3002 \u53ef\u7528\u4e8e\u8df3\u51fa\u5faa\u73af\uff0c\u52a0\u5feb\u4e86\u8c03\u8bd5\u901f\u5ea6\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br \/>\ngdb \u8c03\u8bd5\u8ddf\u8e2a\u591a\u8fdb\u7a0b\u7a0b\u5e8f<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br \/>\ngdb\u53ea\u80fd\u8ddf\u8e2a\u4e00\u4e2a\u8fdb\u7a0b\uff08\u9ed8\u8ba4\u662f\u8ddf\u8e2a\u7236\u8fdb\u7a0b\uff09\uff0c\u800c\u4e0d\u80fd\u540c\u65f6\u8ddf\u8e2a\u591a\u4e2a\u8fdb\u7a0b\uff0c<br \/>\n\u53ef\u4ee5\u8bbe\u7f6egdb\u8ddf\u8e2a\u7236\u8fdb\u7a0b\u8fd8\u662f\u5b50\u8fdb\u7a0b, \u547d\u4ee4\u5982\u4e0b:<br \/>\nset follow-fork-mode parent \u8ddf\u8e2a\u7236\u8fdb\u7a0b, \u9ed8\u8ba4<br \/>\nset follow-fork-mode child\u00a0 \u8ddf\u8e2a\u5b50\u8fdb\u7a0b<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>gdb\u65ad\u70b9<\/h2>\n<p><a href=\"http:\/\/blog.csdn.net\/yangzhongxuan\/article\/details\/6897968\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/blog.csdn.net\/yangzhongxuan\/article\/details\/6897968<\/a><\/p>\n<p>gdb\u65ad\u70b9\u5206\u7c7b\uff1a<\/p>\n<p dir=\"ltr\">\u4ee5\u8bbe\u7f6e\u65ad\u70b9\u7684\u547d\u4ee4\u5206\u7c7b\uff1a<\/p>\n<p dir=\"ltr\">breakpoint<\/p>\n<p dir=\"ltr\">\u53ef\u4ee5\u6839\u636e\u884c\u53f7\u3001\u51fd\u6570\u3001\u6761\u4ef6\u751f\u6210\u65ad\u70b9\u3002<\/p>\n<p dir=\"ltr\"><dfn>watchpoint<\/dfn><\/p>\n<p dir=\"ltr\"><dfn>\u76d1\u6d4b\u53d8\u91cf\u6216\u8005\u8868\u8fbe\u5f0f\u7684\u503c\u53d1\u751f\u53d8\u5316\u65f6\u4ea7\u751f\u65ad\u70b9\u3002<\/dfn><\/p>\n<p dir=\"ltr\">catchpoint<\/p>\n<p dir=\"ltr\">\u76d1\u6d4b\u4fe1\u53f7\u7684\u4ea7\u751f\u3002\u4f8b\u5982c++\u7684throw\uff0c\u6216\u8005\u52a0\u8f7d\u5e93\u7684\u65f6\u5019\u3002<\/p>\n<p dir=\"ltr\">gdb\u4e2d\u7684\u53d8\u91cf\u4ece1\u5f00\u59cb\u6807\u53f7\uff0c\u4e0d\u540c\u7684\u65ad\u70b9\u91c7\u7528\u53d8\u91cf\u6807\u53f7\u540c\u4e00\u7ba1\u7406\uff0c\u53ef\u4ee5 \u7528enable\u3001disable\u7b49\u547d\u4ee4\u7ba1\u7406\uff0c\u540c\u65f6\u652f\u6301\u65ad\u70b9\u8303\u56f4\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u6709\u4e9b\u547d\u4ee4\u63a5\u53d7\u65ad\u70b9\u8303\u56f4\u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n<p dir=\"ltr\">\u4f8b\u5982\uff1adisable 5-8<\/p>\n<p>1\u3001break\u53cabreak\u53d8\u79cd\u8be6\u89e3\uff1a<\/p>\n<p>\u76f8\u5173\u547d\u4ee4\u6709break\uff0ctbreak\uff0crbreak,hbreak\uff0cthbreak\uff0c\u540e\u4e24\u79cd\u662f\u57fa\u4e8e\u786c\u4ef6\u7684\uff0c\u5148\u4e0d\u4ecb\u7ecd\u3002<\/p>\n<p>&gt;&gt;break \u4e0e tbeak<\/p>\n<p>break\uff0ctbreak\u53ef\u4ee5\u6839\u636e\u884c\u53f7\u3001\u51fd\u6570\u3001\u6761\u4ef6\u751f\u6210\u65ad\u70b9\u3002tbreak\u8bbe\u7f6e\u65b9\u6cd5\u4e0ebreak\u76f8\u540c\uff0c\u53ea\u4e0d\u8fc7tbreak\u53ea\u5728\u65ad\u70b9\u505c\u4e00\u6b21\uff0c\u8fc7\u540e\u4f1a\u81ea\u52a8\u5c06\u65ad\u70b9\u5220\u9664\uff0cbreak\u9700\u8981\u624b\u52a8\u63a7\u5236\u65ad\u70b9\u7684\u5220\u9664\u548c\u4f7f\u80fd\u3002<\/p>\n<p>break \u53ef\u5e26\u5982\u4e0b\u53c2\u6570\uff1a<\/p>\n<p>linenum\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u672c\u5730\u884c\u53f7\uff0c\u5373list\u547d\u4ee4\u53ef\u89c1\u7684\u884c\u53f7<\/p>\n<p>filename:linenum\u00a0 \u5236\u5b9a\u4e2a\u6587\u4ef6\u7684\u884c\u53f7<\/p>\n<p>function\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u51fd\u6570\uff0c\u53ef\u4ee5\u662f\u81ea\u5b9a\u4e49\u51fd\u6570\u4e5f\u53ef\u662f\u5e93\u51fd\u6570\uff0c\u5982open<\/p>\n<p>filename:function\u00a0 \u5236\u5b9a\u6587\u4ef6\u4e2d\u7684\u51fd\u6570<\/p>\n<p>condtion\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6761\u4ef6<\/p>\n<p>*address\u00a0\u00a0\u00a0\u00a0\u00a0 \u5730\u5740\uff0c\u53ef\u662f\u51fd\u6570\uff0c\u53d8\u91cf\u7684\u5730\u5740\uff0c\u6b64\u5730\u5740\u53ef\u4ee5\u901a\u8fc7info add\u547d\u4ee4\u5f97\u5230\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<p>break 10<\/p>\n<p>break test.c:10<\/p>\n<p>break main<\/p>\n<p>break test.c:main<\/p>\n<p>break system<\/p>\n<p>break open<\/p>\n<p>\u5982\u679c\u60f3\u5728\u6307\u5b9a\u7684\u5730\u5740\u8bbe\u7f6e\u65ad\u70b9\uff0c\u6bd4\u5982\u5728main\u51fd\u6570\u7684\u5730\u5740\u51fa\u8bbe\u65ad\u70b9\u3002<\/p>\n<p>\u53ef\u7528info add main\u00a0\u83b7\u5f97main\u7684\u5730\u5740\u59820x80484624\uff0c\u7136\u540e\u7528break *0x80484624.<\/p>\n<p>&nbsp;<\/p>\n<p>\u6761\u4ef6\u65ad\u70b9\u5c31\u662f\u5728\u5982\u4e0a\u8ff0\u6307\u5b9a\u65ad\u70b9\u7684\u540c\u65f6\u6307\u5b9a\u8fdb\u5165\u65ad\u70b9\u7684\u6761\u4ef6\u3002\uff08\u8981\u540c\u65f6\u6ee1\u8db3\uff09<\/p>\n<p>\u4f8b\u5982\uff1a\uff08\u5047\u5982\u6709int \u7c7b\u578b\u53d8\u91cf index\uff09<\/p>\n<p>break 10 if index == 3<\/p>\n<p>tbreak 12 if index == 5<\/p>\n<p>&nbsp;<\/p>\n<p>&gt;&gt;rbreak<\/p>\n<p>rbreak \u53ef\u4ee5\u8ddf\u4e00\u4e2a\u89c4\u5219\u8868\u8fbe\u5f0f\u3002rbreak + \u8868\u8fbe\u5f0f\u7684\u7528\u6cd5\u4e0egrep + \u8868\u8fbe\u5f0f\u76f8\u4f3c\u3002\u5373\u5728\u6240\u6709\u4e0e\u8868\u8fbe\u5f0f\u5339\u914d\u7684\u51fd\u6570\u5165\u53e3\u90fd\u8bbe\u7f6e\u65ad\u70b9\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>rbreak list_* \u5373\u5728\u6240\u6709\u4ee5 list_ \u4e3a\u5f00\u5934\u5b57\u7b26\u7684\u51fd\u6570\u5730\u65b9\u90fd\u8bbe\u7f6e\u65ad\u70b9\u3002<\/p>\n<p>rbreak ^list_ \u529f\u80fd\u4e0e\u4e0a\u540c\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&gt;&gt;\u67e5\u770b\u65ad\u70b9\u4fe1\u606f<\/p>\n<p>info break [break num ]<\/p>\n<p>info break \u53ef\u5217\u51fa\u6240\u6709\u65ad\u70b9\u4fe1\u606f\uff0cinfo break \u540e\u4e5f\u53ef\u8bbe\u7f6e\u8981\u67e5\u770b\u7684break num\u5982\uff1a<\/p>\n<p>info break 1 \u5217\u51fa\u65ad\u70b9\u53f7\u662f1\u7684\u65ad\u70b9\u4fe1\u606f<\/p>\n<p>&nbsp;<\/p>\n<h2>watch<\/h2>\n<p>watch [-l|-location] expr [thread threadnum] [mask maskvalue]<\/p>\n<p>-l \u4e0e mask\u6ca1\u6709\u4ed4\u7ec6\u7814\u7a76\uff0cthread threadnum \u662f\u5728\u591a\u7ebf\u7a0b\u7684\u7a0b\u5e8f\u4e2d\u9650\u5b9a\u53ea\u6709\u88ab\u7ebf\u7a0b\u53f7\u662fthreadnum\u7684\u7ebf\u7a0b\u4fee\u6539\u503c\u540e\u8fdb\u5165\u65ad\u70b9\u3002<\/p>\n<p>\u7ecf\u5e38\u7528\u5230\u7684\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p>watch &lt;expr&gt;<\/p>\n<p>\u4e3a\u8868\u8fbe\u5f0f\uff08\u53d8\u91cf\uff09expr\u8bbe\u7f6e\u4e00\u4e2a\u89c2\u5bdf\u70b9\u3002\u53d8\u91cf\u91cf\u8868\u8fbe\u5f0f\u503c\u6709\u53d8\u5316\u65f6\uff0c\u9a6c\u4e0a\u505c\u4f4f\u7a0b\u5e8f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u8868\u8fbe\u5f0f\u53ef\u4ee5\u662f\u4e00\u4e2a\u53d8\u91cf<\/p>\n<p>\u4f8b\u5982\uff1awatch value_a<\/p>\n<p>&nbsp;<\/p>\n<p>\u8868\u8fbe\u5f0f\u53ef\u4ee5\u662f\u4e00\u4e2a\u5730\u5740\uff1a<\/p>\n<p>\u4f8b\u5982\uff1awatch *(int *)0x12345678 \u53ef\u4ee5\u68c0\u6d4b4\u4e2a\u5b57\u8282\u7684\u5185\u5b58\u662f\u5426\u53d8\u5316\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u8868\u8fbe\u5f0f\u53ef\u4ee5\u662f\u4e00\u4e2a\u590d\u6742\u7684\u8bed\u53e5\u8868\u8fbe\u5f0f\uff1a<\/p>\n<p>\u4f8b\u5982\uff1awatch a*b + c\/d<\/p>\n<p>&nbsp;<\/p>\n<p>watch \u5728\u6709\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u652f\u6301\u786c\u4ef6\u89c2\u6d4b\u70b9\uff0c\u786c\u4ef6\u89c2\u6d4b\u70b9\u7684\u8fd0\u884c\u901f\u5ea6\u6bd4\u8f6f\u4ef6\u89c2\u6d4b\u70b9\u7684\u5feb\u3002\u5982\u679c\u7cfb\u7edf\u652f\u6301\u786c\u4ef6\u89c2\u6d4b\u7684\u8bdd\uff0c\u5f53\u8bbe\u7f6e\u89c2\u6d4b\u70b9\u662f\u4f1a\u6253\u5370\u5982\u4e0b\u4fe1\u606f\uff1a<\/p>\n<p>Hardware watchpoint num: expr<\/p>\n<p>watch\u4e24\u4e2a\u53d8\u79cd rwatch\uff0cawatch\uff0c\u8fd9\u4e24\u4e2a\u547d\u4ee4\u53ea\u652f\u6301\u786c\u4ef6\u89c2\u6d4b\u70b9\u5982\u679c\u7cfb\u7edf\u4e0d\u652f\u6301\u786c\u4ef6\u89c2\u6d4b\u70b9\u4f1a\u7b54\u5e94\u51fa\u4e0d\u652f\u6301\u8fd9\u4e24\u4e2a\u547d\u4ee4\u7684\u4fe1\u606f<\/p>\n<p>&nbsp;<\/p>\n<p>rwatch &lt;expr&gt;<\/p>\n<p>\u5f53\u8868\u8fbe\u5f0f\uff08\u53d8\u91cf\uff09expr\u88ab\u8bfb\u65f6\uff0c\u505c\u4f4f\u7a0b\u5e8f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>awatch &lt;expr&gt;<\/p>\n<p>\u5f53\u8868\u8fbe\u5f0f\uff08\u53d8\u91cf\uff09\u7684\u503c\u88ab\u8bfb\u6216\u88ab\u5199\u65f6\uff0c\u505c\u4f4f\u7a0b\u5e8f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>info watchpoints<\/p>\n<p>\u5217\u51fa\u5f53\u524d\u6240\u8bbe\u7f6e\u4e86\u7684\u6240\u6709\u89c2\u5bdf\u70b9\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>watch \u6240\u8bbe\u7f6e\u7684\u65ad\u70b9\u4e5f\u53ef\u4ee5\u7528\u63a7\u5236\u65ad\u70b9\u7684\u547d\u4ee4\u6765\u63a7\u5236\u3002\u5982 disable\u3001enable\u3001delete\u7b49\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u4e3a\u505c\u6b62\u70b9\u8bbe\u5b9a\u8fd0\u884c\u547d\u4ee4<\/h2>\n<p>\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<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<p>&nbsp;<\/p>\n<p>break foo if x&gt;0<\/p>\n<p>commands<\/p>\n<p>printf &#8220;x is %d\/n&#8221;,x<\/p>\n<p>continue<\/p>\n<p>end<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><a href=\"http:\/\/blog.csdn.net\/yangzhongxuan\/article\/details\/6901440\">gdb \u65ad\u70b9\uff08\u4e09\uff09catch<\/a><\/h2>\n<p>\u5728\u8c03\u8bd5\u7684\u65f6\u5019\u901a\u5e38\u7528catchpoints\u6765\u6355\u83b7\u4e8b\u4ef6\uff0c\u5982c++\u7684\u5f02\u5e38\u7b49\u3002<\/p>\n<p>\u6355\u83b7\u70b9\u7684\u8bbe\u7f6e\u901a\u8fc7catch\u4e0etcatch\u4e24\u4e2a\u547d\u4ee4\u3002<br \/>\ntcatch\u6240\u8bbe\u7f6e\u7684\u65ad\u70b9\u505c\u6b62\u4e00\u6b21\u540e\u81ea\u52a8\u5220\u9664\uff0c\u8bbe\u7f6e\u65ad\u70b9\u7684\u65b9\u6cd5\u4e0ecatch\u76f8\u540c\u3002<\/p>\n<p>\u7528\u6cd5\uff1acatch event<br \/>\n\u8fd9\u4e9bevent\u4e8b\u4ef6\u5982\u4e0b\uff1a<br \/>\nthrow<br \/>\nThe throwing of a C++ exception.<br \/>\ncatch<br \/>\nThe catching of a C++ exception.<br \/>\nexception<\/p>\n<p>exception unhandled<br \/>\nAn exception that was raised but is not handled by the program.<br \/>\nassert<br \/>\nAda \u8bed\u8a00 assert\u65ad\u8a00\u5931\u8d25\u65f6\uff0c\u65ad\u70b9\u88ab\u8e29\u5230\u3002<br \/>\nexec<br \/>\n\u8c03\u7528exec\u65f6\u65ad\u70b9\u88ab\u8e29\u5230\u3002<br \/>\nsyscall<br \/>\nsyscall [name | number] &#8230;<br \/>\n\u901a\u8fc7\u7cfb\u7edf\u51fd\u6570\u7684\u540d\u79f0\u548c\u7cfb\u7edf\u53f7\uff0c\u6765\u8bbe\u7f6e\u6355\u83b7\u70b9\uff0c\u5f53\u6240\u8bbe\u5b9a\u7684\u7cfb\u7edf\u8c03\u7528\u65f6\uff0c\u65ad\u70b9\u88ab\u8e29\u5230\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u56e0\u4e3a\u7ecf\u5e38\u5728linux\u7528c\u8bed\u8a00\uff0c\u6240\u4ee5\u4e3b\u8981\u7528\u5230\u7684event\u662f\u6700\u540e\u56db\u4e2a\uff0c\u5176\u4ed6\u7684\u6ca1\u6709\u4ed4\u7ec6\u7814\u7a76\u3002<br \/>\n\u4f8b\u5982\uff1a<br \/>\ncatch syscall open<br \/>\ncatch syscall 5<br \/>\n\u8fd9\u4e24\u4e2a\u6355\u83b7\u65ad\u70b9\u4e00\u6837\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/blog.csdn.net\/yangzhongxuan\/article\/details\/6901477\">gdb\u65ad\u70b9\uff08\u56db\uff09\u5220\u9664<\/a><\/p>\n<p>\u65ad\u70b9\u7684\u5220\u9664\u4e0e\u65ad\u70b9\u7684\u8bbe\u7f6e\u540c\u6837\u7684\u91cd\u8981\u3002\u5220\u9664\u65ad\u70b9\u7684\u547d\u4ee4\u6709\u4e24\u4e2a: delete , clear<\/p>\n<p>&nbsp;<\/p>\n<p>delete<br \/>\n\u7528\u6cd5\uff1adelete [breakpoints num] [range&#8230;]<br \/>\ndelete\u53ef\u5220\u9664\u5355\u4e2a\u65ad\u70b9\uff0c\u4e5f\u53ef\u5220\u9664\u4e00\u4e2a\u65ad\u70b9\u7684\u96c6\u5408\uff0c\u8fd9\u4e2a\u96c6\u5408\u7528\u8fde\u7eed\u7684\u65ad\u70b9\u53f7\u6765\u63cf\u8ff0\u3002<br \/>\n\u4f8b\u5982\uff1a<br \/>\ndelete 5<br \/>\ndelete 1-10<\/p>\n<p>&nbsp;<\/p>\n<p>clear<br \/>\n\u7528\u6cd5:clear<br \/>\n\u5220\u9664\u6240\u5728\u884c\u7684\u591a\u6709\u65ad\u70b9\u3002<br \/>\nclear location<br \/>\nclear \u5220\u9664\u6240\u9009\u5b9a\u7684\u73af\u5883\u4e2d\u6240\u6709\u7684\u65ad\u70b9<br \/>\nclear location location\u63cf\u8ff0\u5177\u4f53\u7684\u65ad\u70b9\u3002<br \/>\n\u4f8b\u5982\uff1a<br \/>\nclear list_insert\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u5220\u9664\u51fd\u6570\u7684\u6240\u6709\u65ad\u70b9<br \/>\nclear list.c:list_delet\u00a0\u00a0 \/\/\u5220\u9664\u6587\u4ef6\uff1a\u51fd\u6570\u7684\u6240\u6709\u65ad\u70b9<br \/>\nclear 12\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0 \/\/\u5220\u9664\u884c\u53f7\u7684\u6240\u6709\u65ad\u70b9<br \/>\nclear list.c:12 \u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0 \/\/\u5220\u9664\u6587\u4ef6\uff1a\u884c\u53f7\u7684\u6240\u6709\u65ad\u70b9<\/p>\n<p>clear \u5220\u9664\u65ad\u70b9\u662f\u57fa\u4e8e\u884c\u7684\uff0c\u4e0d\u662f\u628a\u6240\u6709\u7684\u65ad\u70b9\u90fd\u5220\u9664\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/blog.csdn.net\/yangzhongxuan\/article\/details\/6901577\">gdb\u65ad\u70b9\uff08\u4e94\uff09\u6fc0\u6d3b\u4e0e\u7981\u6b62<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u5bf9\u65ad\u70b9\u7684\u63a7\u5236\u9664\u4e86\u5efa\u7acb\u548c\u5220\u9664\u5916\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u80fd\u548c\u7981\u6b62\u6765\u63a7\u5236\uff0c\u540e\u4e00\u79cd\u65b9\u6cd5\u66f4\u7075\u6d3b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>enable [breakpoints] [range&#8230;] \u5b8c\u5168\u4f7f\u80fd<br \/>\nenable\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\/\/\u6fc0\u6d3b\u6240\u6709\u65ad\u70b9<br \/>\nenable 4\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\/\/\u6fc0\u6d3b4\u65ad\u70b9<br \/>\nenable 5-6\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\/\/\u6fc0\u6d3b5\uff5e6\u65ad\u70b9<br \/>\ndisable [breakpoints] [range&#8230;] \u7981\u6b62<\/p>\n<p>\u7528\u6cd5\u4e3e\u4f8b\uff1a<br \/>\ndiable\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\/\/\u7981\u6b62\u6240\u6709\u65ad\u70b9<br \/>\ndisble 2\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\/\/\u7981\u6b62\u7b2c\u4e8c\u4e2a\u65ad\u70b9<br \/>\ndisable 1-5\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\/\/\u7981\u6b62\u7b2c1\u5230\u7b2c5\u4e2a\u65ad\u70b9<\/p>\n<p>enable once [breakpoints] [range&#8230;] \u4f7f\u80fd\u4e00\u6b21\uff0c\u89e6\u53d1\u540e\u7981\u6b62<br \/>\nenable delete [breakpoints] [range&#8230;]\u4f7f\u80fd\u4e00\u6b21\uff0c\u89e6\u53d1\u540e\u5220\u9664<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/blog.csdn.net\/yangzhongxuan\/article\/details\/6902349\">gdb\u65ad\u70b9\uff08\u516d\uff09condition \u4e0eignore<\/a><\/p>\n<p>\u540c\u4e00\u4e2a\u65ad\u70b9\uff0c\u56e0\u4e0d\u540c\u7684\u6761\u4ef6\uff08\u4e0d\u540c\u7684\u5730\u65b9\u8c03\u7528\uff09\u800c\u505c\u6b62\u7a0b\u5e8f\uff0c\u540c\u65f6\u4f60\u4e5f\u53ef\u4ee5\u81ea\u5b9a\u4e49\u547d\u4ee4\u884c\uff0c\u6765<\/p>\n<p>\u6253\u5370\u6240\u9700\u8981\u7684\u4fe1\u606f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u8bbe\u7f6e\u65ad\u70b9\u7684\u6761\u4ef6\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p>&nbsp;<\/p>\n<p>1\u3001\u8bbe\u7f6e\u65ad\u70b9\u7684\u65f6\u5019\u52a0\u5165\u6761\u4ef6<br \/>\nbreak foo if value_a &gt; value_b<\/p>\n<p>2\u3001\u7528condition\u547d\u4ee4<\/p>\n<p>condition bnum expression<\/p>\n<p>&nbsp;<\/p>\n<p>\u4f8b\u5982: condition 6 if value_a == 10<br \/>\n\u5982\u679c\u4f60\u8bbe\u7f6e\u7684\u65ad\u70b9\u6761\u4ef6\uff0c\u65e0\u6548\u4f1a\u63d0\u793a\uff1a\uff08\u8fd9\u4e8e\u65ad\u70b9\u7684\u4e0a\u4e0b\u6587\u6709\u5173\uff0c\u5173\u4e8e\u65ad\u70b9\u7684\u4e0a\u4e0b\u6587\u4f1a\u5b50\u4e13\u95e8\u7ae0\u8282\u9610\u8ff0\uff09<br \/>\nNo symbol &#8220;foo&#8221; in current context<\/p>\n<p>3\u3001\u53d6\u6d88\u65ad\u70b9\u6761\u4ef6<\/p>\n<p>condition bnum<\/p>\n<p>&nbsp;<\/p>\n<p>4\u3001\u65ad\u70b9\u6761\u4ef6\u7279\u6b8a\u7528\u6cd5<br \/>\n\u65ad\u70b9\u6761\u4ef6\u7684\u4e00\u4e2a\u7279\u6b8a\u7528\u6cd5\u662f\uff0c\u7a0b\u5e8f\u53ea\u6709\u5728\u5230\u8fbe\u65ad\u70b9\u4e00\u5b9a\u6b21\u6570\u4e4b\u540e\u624d\u4f1a\u505c\u6b62\u3002\u8fd9\u7528\u4e00\u4e2a\u7279\u6b8a\u7684\u547d\u4ee4\u53ef\u4ee5\u5b9e\u73b0\u3002<br \/>\nignore bnum count<\/p>\n<p>ignore \u8bbe\u7f6e\u7684\u89e6\u53d1\u6761\u4ef6\u5728\u91cd\u65b0\u52a0\u8f7d\u7a0b\u5e8f\u4e4b\u540e\u81ea\u52a8\u5220\u9664\u3002<\/p>\n<p>ignore 2 10\u00a0 \/\/\u89e6\u53d1\u65ad\u70b910\u6b21\u540e\uff0c\u624d\u4f1a\u505c\u6b62\uff0c\u6bcf\u6b21\u89e6\u53d1\u65ad\u70b9count\u81ea\u51cf1<\/p>\n<p>\u5982\u679c\u4e00\u4e2a\u65ad\u70b9\u53ca\u8bbe\u7f6e\u4e86\u6761\u4ef6\uff0c\u53c8\u8bbe\u7f6e\u4e86\u89e6\u53d1\u6b21\u6570\uff0c\u5728\u89e6\u53d1\u6b21\u6570count\u4e3a0\u4e4b\u524d\uff0c\u662f\u4e0d\u4f1a\u5224\u65ad\u65ad\u70b9\u7684\u6761\u4ef6\u3002<br \/>\nignore \u547d\u4ee4\u5bf9breakpoint watchpoint catchpoint\u90fd\u6709\u6548\u3002<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u5730\u5740 gdb thread appl<\/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":[118],"class_list":["post-1641","post","type-post","status-publish","format-standard","hentry","tag-02-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1641","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=1641"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1641\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=1641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=1641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=1641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}