{"id":138,"date":"2021-12-13T19:51:36","date_gmt":"2021-12-13T11:51:36","guid":{"rendered":"http:\/\/139.9.1.231\/?p=138"},"modified":"2021-12-13T19:52:08","modified_gmt":"2021-12-13T11:52:08","slug":"gdb","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2021\/12\/13\/gdb\/","title":{"rendered":"gdb\uff1a\u529f\u80fd\u5f3a\u5927\u7684\u7a0b\u5e8f\u8c03\u8bd5\u5668"},"content":{"rendered":"\n

\u6709\u7528\u7684\u7f51\u7ad9<\/h3>\n\n\n\n

https:\/\/linuxtools-rst.readthedocs.io\/zh_CN\/latest\/index.html<\/a><\/p>\n\n\n\n

gdb\uff1a\u529f\u80fd\u5f3a\u5927\u7684\u7a0b\u5e8f\u8c03\u8bd5\u5668<\/h2>\n\n\n\n

gdb\u547d\u4ee4 \u5305\u542b\u5728GNU\u7684gcc\u5f00\u53d1\u5957\u4ef6\u4e2d\uff0c\u662f\u529f\u80fd\u5f3a\u5927\u7684\u7a0b\u5e8f\u8c03\u8bd5\u5668\u3002GDB\u4e2d\u7684\u547d\u4ee4\u56fa\u7136\u5f88\u591a\uff0c\u4f46\u6211\u4eec\u53ea\u9700\u638c\u63e1\u5176\u4e2d\u5341\u4e2a\u5de6\u53f3\u7684\u547d\u4ee4\uff0c\u5c31\u5927\u81f4\u53ef\u4ee5\u5b8c\u6210\u65e5\u5e38\u7684\u57fa\u672c\u7684\u7a0b\u5e8f\u8c03\u8bd5\u5de5\u4f5c\u3002<\/p>\n\n\n\n

\u8bed\u6cd5\uff1a<\/h3>\n\n\n\n
gdb [\u53c2\u6570] [\u6587\u4ef6]<\/code><\/pre>\n\n\n\n
\u5e38\u7528\u53c2\u6570\uff1a<\/p>\n\n\n\n
-cd    \u8bbe\u7f6e\u5de5\u4f5c\u76ee\u5f55\n-q    \u5b89\u9759\u6a21\u5f0f\uff0c\u4e0d\u6253\u5370\u4ecb\u7ecd\u4fe1\u606f\u548c\u7248\u672c\u4fe1\u606f\n-d    \u6dfb\u52a0\u6587\u4ef6\u67e5\u627e\u8def\u5f84\n-x    \u4ece\u6307\u5b9a\u6587\u4ef6\u4e2d\u6267\u884cGDB\u6307\u4ee4\n-s    \u8bbe\u7f6e\u8bfb\u53d6\u7684\u7b26\u53f7\u8868\u6587\u4ef6<\/code><\/pre>\n\n\n\n
\u5e38\u7528\u547d\u4ee4<\/h3>\n\n\n\n
\u5e38\u7528\u547d\u4ee4\uff1a<\/p>\n\n\n\n
file <\u6587\u4ef6\u540d>    \u52a0\u8f7d\u88ab\u8c03\u8bd5\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u6587\u4ef6\nrun    \u91cd\u65b0\u5f00\u59cb\u8fd0\u884c\u6587\u4ef6\nstart    \u5355\u6b65\u6267\u884c\uff0c\u8fd0\u884c\u7a0b\u5e8f\uff0c\u505c\u5728\u7b2c\u4e00\u6267\u884c\u8bed\u53e5\nlist    \u67e5\u770b\u539f\u4ee3\u7801\uff0c\u7b80\u5199l,\u8981\u60f3\u67e5\u770bn\u884c\u4ee3\u7801  l num \u6bd4\u5982 list 20 \u5c31\u4f1a\u67e5\u770b20\u884c\u4ee3\u7801\nset    \u8bbe\u7f6e\u53d8\u91cf\u7684\u503c\nnext    \u5355\u6b65\u8c03\u8bd5\uff08\u9010\u8fc7\u7a0b\uff0c\u51fd\u6570\u76f4\u63a5\u6267\u884c\uff09,\u7b80\u5199n\nstep    \u5355\u6b65\u8c03\u8bd5\uff08\u9010\u8bed\u53e5\uff1a\u8df3\u5165\u81ea\u5b9a\u4e49\u51fd\u6570\u5185\u90e8\u6267\u884c\uff09,\u7b80\u5199s\nfinish    \u7ed3\u675f\u5f53\u524d\u51fd\u6570\uff0c\u8fd4\u56de\u5230\u51fd\u6570\u8c03\u7528\u70b9\nbacktrace    \u67e5\u770b\u51fd\u6570\u7684\u8c03\u7528\u7684\u6808\u5e27\u548c\u5c42\u7ea7\u5173\u7cfb,\u7b80\u5199bt\nframe    \u5207\u6362\u51fd\u6570\u7684\u6808\u5e27,\u7b80\u5199f\ninfo    \u67e5\u770b\u51fd\u6570\u5185\u90e8\u5c40\u90e8\u53d8\u91cf\u7684\u6570\u503c,\u7b80\u5199i\ncontinue    \u7ee7\u7eed\u8fd0\u884c,\u7b80\u5199c\nprint    \u6253\u5370\u503c\u53ca\u5730\u5740,\u7b80\u5199p\nquit    \u9000\u51fagdb,\u7b80\u5199q\nbreak n \uff08\u7b80\u5199b n\uff09:\u5728\u7b2cn\u884c\u5904\u8bbe\u7f6e\u65ad\u70b9\n\uff08\u53ef\u4ee5\u5e26\u4e0a\u4ee3\u7801\u8def\u5f84\u548c\u4ee3\u7801\u540d\u79f0\uff1a b OAGUPDATE.cpp:578\uff09<\/code><\/pre>\n\n\n\n
gdb\u547d\u4ee4\u62e5\u6709\u8f83\u591a\u5185\u90e8\u547d\u4ee4\u3002\u5728gdb\u547d\u4ee4\u63d0\u793a\u7b26\u201c(gdb)\u201d\u4e0b\u8f93\u5165\u201chelp\u201d\u53ef\u4ee5\u67e5\u770b\u6240\u6709\u5185\u90e8\u547d\u4ee4\u53ca\u4f7f\u7528\u8bf4\u660e\u3002\u8981\u4f7f\u7528gdb\u8c03\u8bd5\u7a0b\u5e8f\uff0c\u5728\u4f7f\u7528gcc\u7f16\u8bd1\u6e90\u4ee3\u7801\u65f6\u5fc5\u987b\u52a0\u4e0a\u201c-g\u201d\u53c2\u6570\u3002<\/p>\n\n\n\n
1.\u57fa\u672c\u547d\u4ee4<\/h3>\n\n\n\n
1\uff09\u8fdb\u5165GDB  gdb test  test\u662f\u8981\u8c03\u8bd5\u7684\u7a0b\u5e8f\uff0c<\/h4>\n\n\n\n
\u9996\u5148\uff0c\u8981\u6c42\u6211\u4eec\u4f7f\u7528gcc\u751f\u6210\u7684\u53ef\u6267\u884c\u6587\u4ef6\u5fc5\u987b\u7531gcc test.c -g -o test<\/strong>\u751f\u6210\uff0c\u8fdb\u5165\u540e\u63d0\u793a\u7b26\u53d8\u4e3a(gdb) \u3002<\/p>\n\n\n\n
gcc -g \u53c2\u6570\uff1a\u751f\u6210\u8c03\u8bd5\u4fe1\u606f\u3002GNU\u8c03\u8bd5\u5668\u53ef\u5229\u7528\u8be5\u4fe1\u606f<\/code><\/pre>\n\n\n\n
2\uff09\u67e5\u770b\u6e90\u7801\u3000\u3000(gdb) list<\/h4>\n\n\n\n
list \uff1a\u7b80\u8bb0\u4e3a l \uff0c\u5176\u4f5c\u7528\u5c31\u662f\u5217\u51fa\u7a0b\u5e8f\u7684\u6e90\u4ee3\u7801\uff0c\u9ed8\u8ba4\u6bcf\u6b21\u663e\u793a10\u884c\u3002
\nlist \u884c\u53f7\uff1a\u5c06\u663e\u793a\u5f53\u524d\u6587\u4ef6\u4ee5\u201c\u884c\u53f7\u201d\u4e3a\u4e2d\u5fc3\u7684\u524d\u540e10\u884c\u4ee3\u7801\uff0c\u5982\uff1alist 12
\nlist \u51fd\u6570\u540d\uff1a\u5c06\u663e\u793a\u201c\u51fd\u6570\u540d\u201d\u6240\u5728\u51fd\u6570\u7684\u6e90\u4ee3\u7801\uff0c\u5982\uff1alist main
\nlist \uff1a\u4e0d\u5e26\u53c2\u6570\uff0c\u5c06\u63a5\u7740\u4e0a\u4e00\u6b21 list \u547d\u4ee4\u7684\uff0c\u8f93\u51fa\u4e0b\u8fb9\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n
\u3000\u3000\u6e90\u7801\u4f1a\u8fdb\u884c\u884c\u53f7\u63d0\u793a\u3002
\n\u5982\u679c\u9700\u8981\u67e5\u770b\u5728\u5176\u4ed6\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\uff0c\u5728l\u540e\u52a0\u4e0a\u51fd\u6570\u540d\u5373\u53ef\u5b9a\u4f4d\u5230\u8fd9\u4e2a\u51fd\u6570\u7684\u5b9a\u4e49\u53ca\u67e5\u770b\u9644\u8fd1\u7684\u5176\u4ed6\u6e90\u7801\u3002<\/strong>\u6216\u8005\uff1a\u4f7f\u7528\u65ad\u70b9\u6216\u5355\u6b65\u8fd0\u884c\uff0c\u5230\u67d0\u4e2a\u51fd\u6570\u5904\u4f7f\u7528s\u8fdb\u5165\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n\n\n\n
3\uff09\u8bbe\u7f6e\u65ad\u70b9\u3000\u3000(gdb) break 6<\/h4>\n\n\n\n
\u3000\u3000\u8fd9\u6837\u4f1a\u5728\u8fd0\u884c\u5230\u6e90\u7801\u7b2c6\u884c\u65f6\u505c\u6b62\uff0c\u53ef\u4ee5\u67e5\u770b\u53d8\u91cf\u7684\u503c\u3001\u5806\u6808\u60c5\u51b5\u7b49\uff1b\u8fd9\u4e2a\u884c\u53f7\u662fgdb\u7684\u884c\u53f7\u3002
\nbreak n \uff08\u7b80\u5199b n\uff09:\u5728\u7b2cn\u884c\u5904\u8bbe\u7f6e\u65ad\u70b9
\n\uff08\u53ef\u4ee5\u5e26\u4e0a\u4ee3\u7801\u8def\u5f84\u548c\u4ee3\u7801\u540d\u79f0\uff1a b OAGUPDATE.cpp:578\uff09<\/p>\n\n\n\n
4\uff09\u67e5\u770b\u65ad\u70b9\u5904\u60c5\u51b5\u3000\u3000(gdb) info b<\/h4>\n\n\n\n
\u3000\u3000\u53ef\u4ee5\u952e\u5165”info b”\u6765\u67e5\u770b\u65ad\u70b9\u5904\u60c5\u51b5\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u591a\u4e2a\u65ad\u70b9\uff1b<\/p>\n\n\n\n
5\uff09\u8fd0\u884c\u4ee3\u7801\u3000\u3000(gdb) run<\/h4>\n\n\n\n
6\uff09\u663e\u793a\u53d8\u91cf\u503c\u3000\u3000(gdb) print \u53d8\u91cf\u540d<\/h4>\n\n\n\n
7\uff09\u89c2\u5bdf\u53d8\u91cf\u3000\u3000(gdb) watch n<\/h4>\n\n\n\n
\u5728\u67d0\u4e00\u5faa\u73af\u5904\uff0c\u5f80\u5f80\u5e0c\u671b\u80fd\u591f\u89c2\u5bdf\u4e00\u4e2a\u53d8\u91cf\u7684\u53d8\u5316\u60c5\u51b5\uff0c\u8fd9\u65f6\u5c31\u53ef\u4ee5\u952e\u5165\u547d\u4ee4”watch”\u6765\u89c2\u5bdf\u53d8\u91cf\u7684\u53d8\u5316\u60c5\u51b5\uff0cGDB\u5728”n”\u8bbe\u7f6e\u4e86\u89c2\u5bdf\u70b9\uff1b<\/p>\n\n\n\n
8\uff09\u5355\u6b65\u8fd0\u884c\u3000\u3000(gdb) next \u4e0d\u4f1a\u8fdb\u5165\u51fd\u6570<\/h4>\n\n\n\n
9\uff09until+\u884c\u53f7\uff1a \u8fd0\u884c\u81f3\u67d0\u884c\uff0c\u4e0d\u4ec5\u4ec5\u7528\u6765\u8df3\u51fa\u5faa\u73af<\/h4>\n\n\n\n
9\uff09\u7a0b\u5e8f\u7ee7\u7eed\u8fd0\u884c\u3000\u3000(gdb) continue<\/h4>\n\n\n\n
\u3000\u3000\u4f7f\u7a0b\u5e8f\u7ee7\u7eed\u5f80\u4e0b\u8fd0\u884c\uff0c\u76f4\u5230\u518d\u6b21\u9047\u5230\u65ad\u70b9\u6216\u7a0b\u5e8f\u7ed3\u675f\uff1b<\/p>\n\n\n\n
10\uff09\u9000\u51faGDB\u3000\u3000(gdb) quit<\/h4>\n\n\n\n
gdb\u4ea4\u4e92\u547d\u4ee4<\/h3>\n\n\n\n
\u542f\u52a8gdb\u540e\uff0c\u8fdb\u5165\u5230\u4ea4\u4e92\u6a21\u5f0f\uff0c\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b8c\u6210\u5bf9\u7a0b\u5e8f\u7684\u8c03\u8bd5\uff1b\u6ce8\u610f\u9ad8\u9891\u4f7f\u7528\u7684\u547d\u4ee4\u4e00\u822c\u90fd\u4f1a\u6709\u7f29\u5199\uff0c\u719f\u7ec3\u4f7f\u7528\u8fd9\u4e9b\u7f29\u5199\u547d\u4ee4\u80fd\u63d0\u9ad8\u8c03\u8bd5\u7684\u6548\u7387\uff1b<\/p>\n\n\n\n
  1. \u8fd0\u884c<\/li><\/ol>\n\n\n\n
    run\uff1a\u7b80\u8bb0\u4e3a r \uff0c\u5176\u4f5c\u7528\u662f\u8fd0\u884c\u7a0b\u5e8f\uff0c\u5f53\u9047\u5230\u65ad\u70b9\u540e\uff0c\u7a0b\u5e8f\u4f1a\u5728\u65ad\u70b9\u5904\u505c\u6b62\u8fd0\u884c\uff0c\u7b49\u5f85\u7528\u6237\u8f93\u5165\u4e0b\u4e00\u6b65\u7684\u547d\u4ee4\u3002\ncontinue \uff08\u7b80\u5199c \uff09\uff1a\u7ee7\u7eed\u6267\u884c\uff0c\u5230\u4e0b\u4e00\u4e2a\u65ad\u70b9\u5904\uff08\u6216\u8fd0\u884c\u7ed3\u675f\uff09\nnext\uff1a\uff08\u7b80\u5199 n\uff09\uff0c\u5355\u6b65\u8ddf\u8e2a\u7a0b\u5e8f\uff0c\u5f53\u9047\u5230\u51fd\u6570\u8c03\u7528\u65f6\uff0c\u4e5f\u4e0d\u8fdb\u5165\u6b64\u51fd\u6570\u4f53\uff1b\u6b64\u547d\u4ee4\u540c step \u7684\u4e3b\u8981\u533a\u522b\u662f\uff0cstep \u9047\u5230\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u51fd\u6570\uff0c\u5c06\u6b65\u8fdb\u5230\u51fd\u6570\u4e2d\u53bb\u8fd0\u884c\uff0c\u800c next \u5219\u76f4\u63a5\u8c03\u7528\u51fd\u6570\uff0c\u4e0d\u4f1a\u8fdb\u5165\u5230\u51fd\u6570\u4f53\u5185\u3002\nstep \uff08\u7b80\u5199s\uff09\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\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+\u884c\u53f7\uff1a \u8fd0\u884c\u81f3\u67d0\u884c\uff0c\u4e0d\u4ec5\u4ec5\u7528\u6765\u8df3\u51fa\u5faa\u73af\nfinish\uff1a \u8fd0\u884c\u7a0b\u5e8f\uff0c\u76f4\u5230\u5f53\u524d\u51fd\u6570\u5b8c\u6210\u8fd4\u56de\uff0c\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\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)\nquit\uff1a\u7b80\u8bb0\u4e3a q \uff0c\u9000\u51fagdb<\/code><\/pre>\n\n\n\n
    1. \u8bbe\u7f6e\u65ad\u70b9<\/li><\/ol>\n\n\n\n
      break n \uff08\u7b80\u5199b n\uff09:\u5728\u7b2cn\u884c\u5904\u8bbe\u7f6e\u65ad\u70b9\n\uff08\u53ef\u4ee5\u5e26\u4e0a\u4ee3\u7801\u8def\u5f84\u548c\u4ee3\u7801\u540d\u79f0\uff1a b OAGUPDATE.cpp:578\uff09\nb fn1 if a\uff1eb\uff1a\u6761\u4ef6\u65ad\u70b9\u8bbe\u7f6e\nbreak func\uff08break\u7f29\u5199\u4e3ab\uff09\uff1a\u5728\u51fd\u6570func()\u7684\u5165\u53e3\u5904\u8bbe\u7f6e\u65ad\u70b9\uff0c\u5982\uff1abreak cb_button\ndelete \u65ad\u70b9\u53f7n\uff1a\u5220\u9664\u7b2cn\u4e2a\u65ad\u70b9\ndisable \u65ad\u70b9\u53f7n\uff1a\u6682\u505c\u7b2cn\u4e2a\u65ad\u70b9\nenable \u65ad\u70b9\u53f7n\uff1a\u5f00\u542f\u7b2cn\u4e2a\u65ad\u70b9\nclear \u884c\u53f7n\uff1a\u6e05\u9664\u7b2cn\u884c\u7684\u65ad\u70b9\ninfo b \uff08info breakpoints\uff09 \uff1a\u663e\u793a\u5f53\u524d\u7a0b\u5e8f\u7684\u65ad\u70b9\u8bbe\u7f6e\u60c5\u51b5\ndelete breakpoints\uff1a\u6e05\u9664\u6240\u6709\u65ad\u70b9<\/code><\/pre>\n\n\n\n
      1. \u67e5\u770b\u6e90\u4ee3\u7801<\/li><\/ol>\n\n\n\n
        list \uff1a\u7b80\u8bb0\u4e3a l \uff0c\u5176\u4f5c\u7528\u5c31\u662f\u5217\u51fa\u7a0b\u5e8f\u7684\u6e90\u4ee3\u7801\uff0c\u9ed8\u8ba4\u6bcf\u6b21\u663e\u793a10\u884c\u3002\nlist \u884c\u53f7\uff1a \u5c06\u663e\u793a\u5f53\u524d\u6587\u4ef6\u4ee5\u201c\u884c\u53f7\u201d\u4e3a\u4e2d\u5fc3\u7684\u524d\u540e10\u884c\u4ee3\u7801\uff0c\u5982\uff1alist 12\nlist \u51fd\u6570\u540d\uff1a\u5c06\u663e\u793a\u201c\u51fd\u6570\u540d\u201d\u6240\u5728\u51fd\u6570\u7684\u6e90\u4ee3\u7801\uff0c\u5982\uff1alist main\nlist \uff1a\u4e0d\u5e26\u53c2\u6570\uff0c\u5c06\u63a5\u7740\u4e0a\u4e00\u6b21 list \u547d\u4ee4\u7684\uff0c\u8f93\u51fa\u4e0b\u8fb9\u7684\u5185\u5bb9\u3002<\/code><\/pre>\n\n\n\n
        1. \u6253\u5370\u8868\u8fbe\u5f0f<\/li><\/ol>\n\n\n\n
          print \u8868\u8fbe\u5f0f\uff1a\u7b80\u8bb0\u4e3a p \uff0c\u5176\u4e2d\u201c\u8868\u8fbe\u5f0f\u201d\u53ef\u4ee5\u662f\u4efb\u4f55\u5f53\u524d\u6b63\u5728\u88ab\u6d4b\u8bd5\u7a0b\u5e8f\u7684\u6709\u6548\u8868\u8fbe\u5f0f\uff0c\u6bd4\u5982\u5f53\u524d\u6b63\u5728\u8c03\u8bd5C\u8bed\u8a00\u7684\u7a0b\u5e8f\uff0c\u90a3\u4e48\u201c\u8868\u8fbe\u5f0f\u201d\u53ef\u4ee5\u662f\u4efb\u4f55C\u8bed\u8a00\u7684\u6709\u6548\u8868\u8fbe\u5f0f\uff0c\u5305\u62ec\u6570\u5b57\uff0c\u53d8\u91cf\u751a\u81f3\u662f\u51fd\u6570\u8c03\u7528\u3002\nprint a\uff1a\u5c06\u663e\u793a\u6574\u6570 a \u7684\u503c\nprint ++a\uff1a\u5c06\u628a a \u4e2d\u7684\u503c\u52a01,\u5e76\u663e\u793a\u51fa\u6765\nprint name\uff1a\u5c06\u663e\u793a\u5b57\u7b26\u4e32 name \u7684\u503c\nprint gdb_test(22)\uff1a\u5c06\u4ee5\u6574\u657022\u4f5c\u4e3a\u53c2\u6570\u8c03\u7528 gdb_test() \u51fd\u6570\nprint gdb_test(a)\uff1a\u5c06\u4ee5\u53d8\u91cf a \u4f5c\u4e3a\u53c2\u6570\u8c03\u7528 gdb_test() \u51fd\u6570\ndisplay \u8868\u8fbe\u5f0f\uff1a\u5728\u5355\u6b65\u8fd0\u884c\u65f6\u5c06\u975e\u5e38\u6709\u7528\uff0c\u4f7f\u7528display\u547d\u4ee4\u8bbe\u7f6e\u4e00\u4e2a\u8868\u8fbe\u5f0f\u540e\uff0c\u5b83\u5c06\u5728\u6bcf\u6b21\u5355\u6b65\u8fdb\u884c\u6307\u4ee4\u540e\uff0c\u7d27\u63a5\u7740\u8f93\u51fa\u88ab\u8bbe\u7f6e\u7684\u8868\u8fbe\u5f0f\u53ca\u503c\u3002\u5982\uff1a display a\nwatch \u8868\u8fbe\u5f0f\uff1a\u8bbe\u7f6e\u4e00\u4e2a\u76d1\u89c6\u70b9\uff0c\u4e00\u65e6\u88ab\u76d1\u89c6\u7684\u201c\u8868\u8fbe\u5f0f\u201d\u7684\u503c\u6539\u53d8\uff0cgdb\u5c06\u5f3a\u884c\u7ec8\u6b62\u6b63\u5728\u88ab\u8c03\u8bd5\u7684\u7a0b\u5e8f\u3002\u5982\uff1a watch a\nwhatis \uff1a\u67e5\u8be2\u53d8\u91cf\u6216\u51fd\u6570\ninfo function\uff1a \u67e5\u8be2\u51fd\u6570\n\u6269\u5c55info locals\uff1a \u663e\u793a\u5f53\u524d\u5806\u6808\u9875\u7684\u6240\u6709\u53d8\u91cf<\/code><\/pre>\n\n\n\n
          \u67e5\u8be2\u8fd0\u884c\u4fe1\u606f<\/p>\n\n\n\n
          where\/bt \uff1a\u5f53\u524d\u8fd0\u884c\u7684\u5806\u6808\u5217\u8868\uff1b\nbt backtrace \u663e\u793a\u5f53\u524d\u8c03\u7528\u5806\u6808\nup\/down \u6539\u53d8\u5806\u6808\u663e\u793a\u7684\u6df1\u5ea6\nset args \u53c2\u6570:\u6307\u5b9a\u8fd0\u884c\u65f6\u7684\u53c2\u6570\nshow args\uff1a\u67e5\u770b\u8bbe\u7f6e\u597d\u7684\u53c2\u6570\ninfo 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<\/code><\/pre>\n\n\n\n
          \u5206\u5272\u7a97\u53e3<\/p>\n\n\n\n
          layout\uff1a\u7528\u4e8e\u5206\u5272\u7a97\u53e3\uff0c\u53ef\u4ee5\u4e00\u8fb9\u67e5\u770b\u4ee3\u7801\uff0c\u4e00\u8fb9\u6d4b\u8bd5\uff1a\nlayout src\uff1a\u663e\u793a\u6e90\u4ee3\u7801\u7a97\u53e3\nlayout asm\uff1a\u663e\u793a\u53cd\u6c47\u7f16\u7a97\u53e3\nlayout regs\uff1a\u663e\u793a\u6e90\u4ee3\u7801\/\u53cd\u6c47\u7f16\u548cCPU\u5bc4\u5b58\u5668\u7a97\u53e3\nlayout split\uff1a\u663e\u793a\u6e90\u4ee3\u7801\u548c\u53cd\u6c47\u7f16\u7a97\u53e3\nCtrl + L\uff1a\u5237\u65b0\u7a97\u53e3<\/code><\/pre>\n\n\n\n
          \u66f4\u5f3a\u5927\u7684\u5de5\u5177 cgdb<\/h2>\n\n\n\n
          cgdb
          \ncgdb\u53ef\u4ee5\u770b\u4f5cgdb\u7684\u754c\u9762\u589e\u5f3a\u7248,\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;\u5982\u679c\u719f\u6089gdb\u548cvi\uff0c\u51e0\u4e4e\u53ef\u4ee5\u7acb\u5373\u4f7f\u7528cgdb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u6709\u7528\u7684\u7f51\u7ad9 https:\/\/linuxtools-rst.readthedocs.io\/zh_CN\/lates … \u7ee7\u7eed\u9605\u8bfbgdb\uff1a\u529f\u80fd\u5f3a\u5927\u7684\u7a0b\u5e8f\u8c03\u8bd5\u5668<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/138"}],"collection":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/comments?post=138"}],"version-history":[{"count":1,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/138\/revisions"}],"predecessor-version":[{"id":139,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/138\/revisions\/139"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=138"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}