{"id":637,"date":"2024-03-17T15:59:19","date_gmt":"2024-03-17T07:59:19","guid":{"rendered":"https:\/\/niuguodong.com\/?p=637"},"modified":"2025-12-22T14:58:39","modified_gmt":"2025-12-22T06:58:39","slug":"gdb","status":"publish","type":"post","link":"https:\/\/niuguodong.com\/index.php\/2024\/03\/17\/gdb\/","title":{"rendered":"GDB\u5e38\u7528\u547d\u4ee4"},"content":{"rendered":"\n

\u542f\u7528GDB\u8c03\u8bd5<\/h2>\n\n\n\n

\u60f3\u8981\u4f7f\u7528GDB\u8c03\u8bd5\u5e94\u7528\uff0c\u9996\u5148\u5728\u7f16\u8bd1\u7684\u65f6\u5019\u5c31\u8981\u6307\u5b9a\u4f7f\u7528GDB\u8c03\u8bd5\uff0c\u5426\u5219\u867d\u7136\u53ef\u4ee5\u8c03\u8bd5\uff0c\u4f46\u6ca1\u6cd5\u5728\u8c03\u8bd5\u7a97\u53e3\u76f4\u63a5\u67e5\u770b\u6e90\u7801\u3001\u7b26\u53f7\u3001\u8be6\u7ec6\u7684\u8c03\u7528\u6808\u7b49\uff0c\u6240\u4ee5\uff0c\u7f16\u8bd1\u662f\u8c03\u8bd5\u7684\u7b2c\u4e00\u6b65<\/p>\n\n\n\n

gcc xx.c -o ngdb      #\u8fd9\u662f\u4e0d\u5e26\u6709\u8c03\u8bd5\u4fe1\u606f\u7684\ngcc -g xx.c -o ygdb   #\u52a0\u4e0a-g\uff0c\u5e26\u8c03\u8bd5\uff0c\u4e14\u9700\u907f\u514d\u4f7f\u7528\u7f16\u8bd1\u4f18\u5316\n<\/code><\/pre>\n\n\n\n
\u4f7f\u7528gdb\u547d\u4ee4\u8fd0\u884c\u53ef\u6267\u884c\u6587\u4ef6<\/p>\n\n\n\n
gdb .\/ygdb<\/code><\/pre>\n\n\n\n
\u6b64\u65f6\u4f1a\u8fdb\u5165gdb\u8c03\u8bd5\u7a97\u53e3\uff0c\u5982\u679c\u60f3\u9000\u51fa\u8c03\u8bd5\uff0c\u6309\u4e0bq<\/code><\/p>\n\n\n\n
\u65ad\u70b9<\/h2>\n\n\n\n
\u65ad\u70b9\u5206\u7c7b<\/h3>\n\n\n\n
\u65ad\u70b9\u7c7b\u578b<\/th>\u5b9a\u4e49<\/th>\u547d\u4ee4\u683c\u5f0f<\/th>\u793a\u4f8b<\/th>\u5e94\u7528\u573a\u666f<\/th><\/tr><\/thead>
\u884c\u65ad\u70b9<\/strong><\/td>\u5728\u6e90\u4ee3\u7801\u7279\u5b9a\u884c\u8bbe\u7f6e\u65ad\u70b9\uff0c\u7a0b\u5e8f\u6267\u884c\u5230\u8be5\u884c\u65f6\u4e2d\u65ad<\/td>b \u6587\u4ef6\u540d:\u884c\u53f7<\/code><\/td>b main.c:20<\/code><\/td>\u8c03\u8bd5\u7279\u5b9a\u4ee3\u7801\u884c\u7684\u903b\u8f91\u9519\u8bef\uff0c\u5982\u5faa\u73af\u4e2d\u7684\u53d8\u91cf\u53d8\u5316<\/td><\/tr>
\u51fd\u6570\u65ad\u70b9<\/strong><\/td>\u5728\u51fd\u6570\u5165\u53e3\u5904\u8bbe\u7f6e\u65ad\u70b9\uff0c\u8c03\u7528\u8be5\u51fd\u6570\u65f6\u89e6\u53d1<\/td>b \u51fd\u6570\u540d<\/code><\/td>b calculate_sum<\/code><\/td>\u5feb\u901f\u5b9a\u4f4d\u51fd\u6570\u8c03\u7528\u5165\u53e3\uff0c\u5206\u6790\u51fd\u6570\u53c2\u6570\u6216\u5185\u90e8\u903b\u8f91<\/td><\/tr>
\u6761\u4ef6\u65ad\u70b9<\/strong><\/td>\u4ec5\u5f53\u6ee1\u8db3\u9884\u8bbe\u6761\u4ef6\u65f6\u89e6\u53d1\u65ad\u70b9<\/td>b \u884c\u53f7 if \u6761\u4ef6<\/code><\/td>b 20 if x > 100<\/code><\/td>\u7cbe\u51c6\u63a7\u5236\u65ad\u70b9\u89e6\u53d1\u903b\u8f91\uff0c\u907f\u514d\u65e0\u6548\u4e2d\u65ad\uff08\u5982\u5faa\u73af\u4e2d\u7279\u5b9a\u8fed\u4ee3\uff09<\/td><\/tr>
\u786c\u4ef6\u65ad\u70b9<\/strong><\/td>\u5229\u7528CPU\u786c\u4ef6\u7279\u6027\u76d1\u63a7\u5185\u5b58\/\u5bc4\u5b58\u5668\u8bbf\u95ee<\/td>hbreak \u5730\u5740<\/code><\/td>hbreak *0x4005a0<\/code><\/td>\u9ad8\u6548\u76d1\u63a7\u5185\u5b58\u8bfb\u5199\u6216\u6267\u884c\uff0c\u9002\u7528\u4e8e\u5e95\u5c42\u8c03\u8bd5\u6216\u6027\u80fd\u654f\u611f\u573a\u666f<\/td><\/tr>
\u4e34\u65f6\u65ad\u70b9<\/strong><\/td>\u89e6\u53d1\u4e00\u6b21\u540e\u81ea\u52a8\u5220\u9664\uff0c\u51cf\u5c11\u65ad\u70b9\u7ba1\u7406\u8d1f\u62c5<\/td>tbreak \u884c\u53f7<\/code><\/td>tbreak main<\/code><\/td>\u4e00\u6b21\u6027\u8c03\u8bd5\u573a\u666f\uff0c\u5982\u521d\u59cb\u5316\u4ee3\u7801\u6216\u5355\u6b21\u5f02\u5e38\u6355\u83b7<\/td><\/tr>
\u6355\u6349\u65ad\u70b9<\/strong><\/td>\u6355\u83b7\u7a0b\u5e8f\u8fd0\u884c\u4e2d\u7684\u7279\u5b9a\u4e8b\u4ef6\uff08\u5982\u5f02\u5e38\u3001\u4fe1\u53f7\uff09<\/td>catch \u4e8b\u4ef6\u7c7b\u578b<\/code><\/td>catch throw<\/code>\uff08\u6355\u83b7C++\u5f02\u5e38\uff09<\/td>\u4e8b\u4ef6\u9a71\u52a8\u8c03\u8bd5\uff0c\u5982\u5f02\u5e38\u5904\u7406\u3001\u5e93\u52a0\u8f7d\/\u5378\u8f7d\u3001\u7cfb\u7edf\u8c03\u7528<\/td><\/tr>
\u89c2\u5bdf\u65ad\u70b9<\/strong><\/td>\u76d1\u63a7\u53d8\u91cf\u503c\u53d8\u5316\uff08\u8bfb\/\u5199\/\u4fee\u6539\uff09\u65f6\u89e6\u53d1<\/td>watch \u53d8\u91cf<\/code><\/td>watch x<\/code><\/td>\u8ffd\u8e2a\u6570\u636e\u88ab\u610f\u5916\u4fee\u6539\u7684\u573a\u666f\uff0c\u5982\u6570\u7ec4\u8d8a\u754c\u3001\u5168\u5c40\u53d8\u91cf\u7be1\u6539<\/td><\/tr>
\u5730\u5740\u65ad\u70b9<\/strong><\/td>\u5728\u7279\u5b9a\u5185\u5b58\u5730\u5740\u8bbe\u7f6e\u65ad\u70b9\uff0c\u5e38\u7528\u4e8e\u6c47\u7f16\u7ea7\u8c03\u8bd5<\/td>b *\u5730\u5740<\/code><\/td>b *0x4005a0<\/code><\/td>\u5e95\u5c42\u8c03\u8bd5\uff0c\u5982\u5206\u6790\u6307\u4ee4\u6267\u884c\u6d41\u7a0b\u3001\u5185\u5b58\u5730\u5740\u8bbf\u95ee<\/td><\/tr>
\u7ebf\u7a0b\u65ad\u70b9<\/strong><\/td>\u4ec5\u5728\u6307\u5b9a\u7ebf\u7a0b\u6267\u884c\u5230\u65ad\u70b9\u65f6\u89e6\u53d1<\/td>b \u884c\u53f7 thread \u7ebf\u7a0bID<\/code><\/td>b 20 thread 1<\/code><\/td>\u591a\u7ebf\u7a0b\u8c03\u8bd5\uff0c\u7cbe\u51c6\u5b9a\u4f4d\u7ebf\u7a0b\u7279\u5b9a\u884c\u4e3a\uff08\u5982\u7ade\u6001\u6761\u4ef6\uff09<\/td><\/tr>
\u5171\u4eab\u5e93\u65ad\u70b9<\/strong><\/td>\u5171\u4eab\u5e93\u52a0\u8f7d\/\u5378\u8f7d\u65f6\u89e6\u53d1\u65ad\u70b9<\/td>break load \u5e93\u540d<\/code><\/td>break load libexample.so<\/code><\/td>\u52a8\u6001\u94fe\u63a5\u8c03\u8bd5\uff0c\u76d1\u63a7\u5e93\u51fd\u6570\u8c03\u7528\u6216\u63d2\u4ef6\u52a0\u8f7d\u8fc7\u7a0b<\/td><\/tr>
\u9759\u6001\u65ad\u70b9<\/strong><\/td>\u7a0b\u5e8f\u542f\u52a8\u524d\u8bbe\u7f6e\u65ad\u70b9\uff0c\u786e\u4fdd\u65ad\u70b9\u5728\u8fd0\u884c\u521d\u671f\u751f\u6548<\/td>break \u6587\u4ef6\u540d:\u884c\u53f7<\/code>\uff08\u672a\u8fd0\u884c\u65f6\uff09<\/td>break main.c:10<\/code><\/td>\u521d\u59cb\u5316\u4ee3\u7801\u8c03\u8bd5\uff0c\u5982\u5168\u5c40\u53d8\u91cf\u521d\u59cb\u5316\u3001\u6784\u9020\u51fd\u6570\u8c03\u7528<\/td><\/tr>
\u52a8\u6001\u65ad\u70b9<\/strong><\/td>\u7a0b\u5e8f\u8fd0\u884c\u65f6\u52a8\u6001\u8bbe\u7f6e\u65ad\u70b9\uff0c\u652f\u6301\u5373\u65f6\u8c03\u6574<\/td>break \u884c\u53f7<\/code>\uff08\u8fd0\u884c\u65f6\u6267\u884c\uff09<\/td>\u8fd0\u884c\u65f6\u8f93\u5165b 30<\/code><\/td>\u5373\u65f6\u8c03\u8bd5\u573a\u666f\uff0c\u5982\u6839\u636e\u8fd0\u884c\u65f6\u72b6\u6001\u52a8\u6001\u8c03\u6574\u65ad\u70b9\u4f4d\u7f6e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u65ad\u70b9\u64cd\u4f5c<\/h3>\n\n\n\n
\u8bbe\u7f6e<\/h4>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
break<\/code><\/td>b<\/code><\/td>\u5728\u6307\u5b9a\u4f4d\u7f6e\u8bbe\u7f6e\u65ad\u70b9<\/td>b main.c:20<\/code>\uff08\u5728main.c\u7b2c20\u884c\u8bbe\u65ad\u70b9\uff09<\/td><\/tr>
hbreak<\/code><\/td>hb<\/code><\/td>\u8bbe\u7f6e\u786c\u4ef6\u65ad\u70b9\uff08\u9700\u786c\u4ef6\u652f\u6301\uff09<\/td>hb *0x4005a0<\/code>\uff08\u5728\u5730\u57400x4005a0\u8bbe\u786c\u4ef6\u65ad\u70b9\uff09<\/td><\/tr>
tbreak<\/code><\/td>tb<\/code><\/td>\u8bbe\u7f6e\u4e34\u65f6\u65ad\u70b9\uff08\u89e6\u53d1\u540e\u81ea\u52a8\u5220\u9664\uff09<\/td>tb main<\/code>\uff08\u5728main\u51fd\u6570\u5165\u53e3\u8bbe\u4e34\u65f6\u65ad\u70b9\uff09<\/td><\/tr>
catch<\/code><\/td>c<\/code><\/td>\u6355\u83b7\u7279\u5b9a\u4e8b\u4ef6\uff08\u5982\u5f02\u5e38\u3001\u4fe1\u53f7\uff09<\/td>catch throw<\/code>\uff08\u6355\u83b7C++\u5f02\u5e38\u629b\u51fa\uff09<\/td><\/tr>
watch<\/code><\/td>w<\/code><\/td>\u8bbe\u7f6e\u89c2\u5bdf\u65ad\u70b9\uff08\u76d1\u63a7\u53d8\u91cf\u53d8\u5316\uff09<\/td>watch x<\/code>\uff08\u76d1\u63a7\u53d8\u91cfx\u7684\u53d8\u5316\uff09<\/td><\/tr>
rwatch<\/code><\/td><\/td>\u88ab\u8bfb\u89c2\u5bdf\u70b9<\/td>rwatch x<\/code><\/td><\/tr>
awatch<\/code><\/td><\/td>\u8bfb\u5199\u89c2\u5bdf\u70b9<\/td>awatch x<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u7ba1\u7406\u65ad\u70b9<\/h4>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
enable<\/code><\/td>en<\/code><\/td>\u542f\u7528\u65ad\u70b9<\/td>enable 1<\/code>\uff08\u542f\u7528\u7f16\u53f7\u4e3a1\u7684\u65ad\u70b9\uff09<\/td><\/tr>
disable<\/code><\/td>dis<\/code><\/td>\u7981\u7528\u65ad\u70b9\uff08\u4fdd\u7559\u4f46\u6682\u4e0d\u89e6\u53d1\uff09<\/td>disable 2<\/code>\uff08\u7981\u7528\u7f16\u53f7\u4e3a2\u7684\u65ad\u70b9\uff09<\/td><\/tr>
delete<\/code><\/td>d<\/code><\/td>\u5220\u9664\u65ad\u70b9<\/td>d 3<\/code>\uff08\u5220\u9664\u7f16\u53f7\u4e3a3\u7684\u65ad\u70b9\uff09<\/td><\/tr>
clear<\/code><\/td>cl<\/code><\/td>\u5220\u9664\u6307\u5b9a\u4f4d\u7f6e\u7684\u65ad\u70b9<\/td>cl main.c:25<\/code>\uff08\u5220\u9664main.c\u7b2c25\u884c\u7684\u65ad\u70b9\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u4fee\u6539\u65ad\u70b9\u5c5e\u6027<\/h4>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
condition<\/code><\/td>cond<\/code><\/td>\u8bbe\u7f6e\/\u4fee\u6539\u65ad\u70b9\u6761\u4ef6<\/td>cond 1 x>10<\/code>\uff08\u8bbe\u7f6e\u65ad\u70b91\u7684\u6761\u4ef6\u4e3ax>10\uff09<\/td><\/tr>
ignore<\/code><\/td>ig<\/code><\/td>\u8bbe\u7f6e\u65ad\u70b9\u5ffd\u7565\u6b21\u6570<\/td>ig 1 5<\/code>\uff08\u5ffd\u7565\u65ad\u70b91\u7684\u524d5\u6b21\u89e6\u53d1\uff09<\/td><\/tr>
commands<\/code><\/td>comm<\/code><\/td>\u8bbe\u7f6e\u65ad\u70b9\u89e6\u53d1\u65f6\u7684\u547d\u4ee4\u5e8f\u5217<\/td>comm 1<\/code>\uff08\u8bbe\u7f6e\u65ad\u70b91\u89e6\u53d1\u65f6\u7684\u81ea\u5b9a\u4e49\u547d\u4ee4\uff09<\/td><\/tr>
silicon<\/code><\/td>si<\/code><\/td>\u4fee\u6539\u65ad\u70b9\u7684\u786c\u4ef6\u5c5e\u6027\uff08\u5982\u8bfb\u5199\u76d1\u63a7\uff09<\/td>si 1 r<\/code>\uff08\u8bbe\u7f6e\u65ad\u70b91\u76d1\u63a7\u8bfb\u53d6\u64cd\u4f5c\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u67e5\u770b\u65ad\u70b9<\/h4>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
info break<\/code><\/td>i b<\/code><\/td>\u67e5\u770b\u6240\u6709\u65ad\u70b9\u4fe1\u606f<\/td>i b<\/code>\uff08\u663e\u793a\u6240\u6709\u65ad\u70b9\u7684\u7f16\u53f7\u3001\u72b6\u6001\u3001\u4f4d\u7f6e\u7b49\uff09<\/td><\/tr>
info watch<\/code><\/td>i w<\/code><\/td>\u67e5\u770b\u89c2\u5bdf\u65ad\u70b9\u4fe1\u606f<\/td>i w<\/code>\uff08\u663e\u793a\u6240\u6709\u89c2\u5bdf\u65ad\u70b9\u7684\u76d1\u63a7\u53d8\u91cf\u53ca\u72b6\u6001\uff09<\/td><\/tr>
info catch<\/code><\/td>i c<\/code><\/td>\u67e5\u770b\u6355\u6349\u65ad\u70b9\u4fe1\u606f<\/td>i c<\/code>\uff08\u663e\u793a\u6240\u6709\u6355\u6349\u65ad\u70b9\u7684\u4e8b\u4ef6\u7c7b\u578b\u53ca\u72b6\u6001\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u8fd0\u884c\u63a7\u5236<\/h2>\n\n\n\n
\u6587\u4ef6\u4e0e\u57fa\u672c\u63a7\u5236<\/h3>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
file<\/code><\/td>f<\/code><\/td>\u52a0\u8f7d\u8981\u8c03\u8bd5\u7684\u53ef\u6267\u884c\u6587\u4ef6\u3002GDB \u9700\u8981\u77e5\u9053\u6587\u4ef6\u540d\u624d\u80fd\u8bbe\u7f6e\u65ad\u70b9\u7b49\u3002<\/td>file \/path\/to\/my_program<\/code><\/td><\/tr>
run<\/code><\/td>r<\/code><\/td>\u542f\u52a8\u88ab\u8c03\u8bd5\u7684\u7a0b\u5e8f\u3002\u53ef\u4ee5\u8ddf\u547d\u4ee4\u884c\u53c2\u6570\u3002<\/td>run arg1 arg2<\/code><\/td><\/tr>
kill<\/code><\/td>k<\/code><\/td>\u7ec8\u6b62\u6b63\u5728\u8c03\u8bd5\u7684\u7a0b\u5e8f\u3002<\/td>kill<\/code><\/td><\/tr>
quit<\/code><\/td>q<\/code><\/td>\u9000\u51fa GDB\u3002<\/td>quit<\/code><\/td><\/tr>
set args<\/code><\/td>-<\/td>\u8bbe\u7f6e\u7a0b\u5e8f\u4e0b\u6b21 run<\/code> \u65f6\u4f7f\u7528\u7684\u547d\u4ee4\u884c\u53c2\u6570\u3002<\/td>set args -f -o output.txt<\/code><\/td><\/tr>
show args<\/code><\/td>-<\/td>\u663e\u793a\u5f53\u524d\u8bbe\u7f6e\u7684\u547d\u4ee4\u884c\u53c2\u6570\u3002<\/td>show args<\/code><\/td><\/tr>
attach<\/code><\/td>-<\/td>\u9644\u52a0\u5230\u4e00\u4e2a\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u4e0a\u8fdb\u884c\u8c03\u8bd5\u3002\u9700\u8981\u8fdb\u7a0bID (PID)\u3002<\/td>attach 12345<\/code><\/td><\/tr>
detach<\/code><\/td>-<\/td>\u4ece\u9644\u52a0\u7684\u8fdb\u7a0b\u4e0a\u5206\u79bb\uff0c\u8ba9\u5176\u7ee7\u7eed\u72ec\u7acb\u8fd0\u884c\u3002<\/td>detach<\/code><\/td><\/tr>
exec-file<\/code><\/td>-<\/td>\u52a0\u8f7d\u4e00\u4e2a\u65b0\u7684\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u7528\u4e8e\u8c03\u8bd5\u6838\u5fc3\u8f6c\u50a8 (core dump)\u3002<\/td>exec-file my_program<\/code><\/td><\/tr>
core-file<\/code><\/td>c<\/code><\/td>\u52a0\u8f7d\u4e00\u4e2a\u6838\u5fc3\u8f6c\u50a8\u6587\u4ef6\uff0c\u7528\u4e8e\u5206\u6790\u7a0b\u5e8f\u5d29\u6e83\u65f6\u7684\u72b6\u6001\u3002<\/td>core-file core.12345<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u7a0b\u5e8f\u8fd0\u884c\u63a7\u5236<\/h3>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
start<\/code><\/td><\/td>\u542f\u52a8\u7a0b\u5e8f\u5e76\u505c\u5728main\u51fd\u6570\u5165\u53e3<\/td>start<\/code><\/td><\/tr>
kill<\/code><\/td>k<\/code><\/td>\u7ec8\u6b62\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f<\/td>kill<\/code><\/td><\/tr>
run<\/code><\/td>r<\/code><\/td>\u542f\u52a8\u7a0b\u5e8f\u5e76\u8fd0\u884c\uff0c\u76f4\u5230\u9047\u5230\u65ad\u70b9\u6216\u7a0b\u5e8f\u7ed3\u675f<\/td>run<\/code> \u6216 r<\/code>\uff08\u65e0\u53c2\u6570\u65f6\u542f\u52a8\u7a0b\u5e8f\uff09<\/td><\/tr>
next<\/code><\/td>n<\/code><\/td>\u5355\u6b65\u6267\u884c\uff0c\u8df3\u8fc7\u51fd\u6570\u8c03\u7528\uff08\u6267\u884c\u4e0b\u4e00\u884c\uff0c\u4e0d\u8fdb\u5165\u51fd\u6570\u5185\u90e8\uff09<\/td>next\u00a0<\/code>\u6216\u00a0n<\/code>\uff08\u6267\u884c\u5f53\u524d\u884c\u540e\u505c\u5728\u4e0b\u4e00\u884c\uff09<\/td><\/tr>
nexti<\/code><\/td><\/td>\u6267\u884c\u4e00\u6761\u673a\u5668\u6307\u4ee4\uff0c\u4e0d\u8fdb\u5165\u51fd\u6570\u8c03\u7528<\/td><\/td><\/tr>
step<\/code><\/td>s<\/code><\/td>\u5355\u6b65\u6267\u884c\uff0c\u8fdb\u5165\u51fd\u6570\u5185\u90e8\uff08\u6267\u884c\u4e0b\u4e00\u884c\uff0c\u82e5\u4e3a\u51fd\u6570\u8c03\u7528\u5219\u8fdb\u5165\u8be5\u51fd\u6570\uff09<\/td>step<\/code> \u6216 s<\/code>\uff08\u8fdb\u5165\u51fd\u6570\u5185\u90e8\u9010\u884c\u8c03\u8bd5\uff09<\/td><\/tr>
stepi<\/code><\/td><\/td>\u6267\u884c\u4e00\u6761\u673a\u5668\u7ea7\u522b\u7684\u6307\u4ee4<\/td><\/td><\/tr>
continue<\/code><\/td>c<\/code><\/td>\u7ee7\u7eed\u8fd0\u884c\u7a0b\u5e8f\uff0c\u76f4\u5230\u9047\u5230\u4e0b\u4e00\u4e2a\u65ad\u70b9\u6216\u7a0b\u5e8f\u7ed3\u675f<\/td>continue<\/code> \u6216 c<\/code>\uff08\u4ece\u5f53\u524d\u4e2d\u65ad\u70b9\u7ee7\u7eed\u8fd0\u884c\uff09<\/td><\/tr>
until<\/code><\/td>u<\/code><\/td>\u8fd0\u884c\u7a0b\u5e8f\u76f4\u5230\u5230\u8fbe\u6307\u5b9a\u884c\uff0c\u6216\u8df3\u51fa\u5f53\u524d\u5faa\u73af\/\u590d\u6742\u8bed\u53e5<\/td>until 30<\/code>\uff08\u8fd0\u884c\u81f3\u7b2c30\u884c\uff09\u6216 until<\/code>\uff08\u8df3\u51fa\u5faa\u73af\uff09<\/td><\/tr>
finish<\/code><\/td>fin<\/code><\/td>\u6267\u884c\u5b8c\u5f53\u524d\u51fd\u6570\u7684\u5269\u4f59\u90e8\u5206\u5e76\u8fd4\u56de\uff0c\u663e\u793a\u51fd\u6570\u8fd4\u56de\u503c<\/td>finish<\/code> \u6216 fin<\/code>\uff08\u7ed3\u675f\u5f53\u524d\u51fd\u6570\u8c03\u8bd5\u5e76\u8fd4\u56de\u8c03\u7528\u70b9\uff09<\/td><\/tr>
jump<\/code><\/td>j<\/code><\/td>\u8df3\u8f6c\u5230\u6307\u5b9a\u884c\u6216\u5730\u5740\u6267\u884c\uff08\u53ef\u80fd\u8df3\u8fc7\u4ee3\u7801\u6216\u8fdb\u5165\u65e0\u6548\u8def\u5f84\uff09<\/td>jump 50<\/code>\uff08\u8df3\u8f6c\u5230\u7b2c50\u884c\uff09\u6216 jump *0x4005a0<\/code>\uff08\u8df3\u8f6c\u5230\u5730\u57400x4005a0\uff09<\/td><\/tr>
detach<\/code><\/td>dt<\/code><\/td>\u5206\u79bb\u8c03\u8bd5\u5668\uff0c\u8ba9\u7a0b\u5e8f\u7ee7\u7eed\u8fd0\u884c<\/td>detach<\/code><\/td><\/tr>
interrupt<\/code><\/td>i<\/code><\/td>\u4e2d\u65ad\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\uff08\u7c7b\u4f3cCtrl+C\uff09<\/td>interrupt<\/code><\/td><\/tr>
return<\/code><\/td>ret<\/code><\/td>\u4ece\u5f53\u524d\u51fd\u6570\u8fd4\u56de\uff0c\u53ef\u6307\u5b9a\u8fd4\u56de\u503c<\/td>return 5<\/code>\uff08\u8fd4\u56de\u503c\u4e3a5\uff09<\/td><\/tr>
call<\/code><\/td>ca<\/code><\/td>\u8c03\u7528\u51fd\u6570\uff08\u53ef\u5e26\u53c2\u6570\uff09<\/td>call printf(\"Hello\")<\/code><\/td><\/tr>
signal<\/code><\/td>sig<\/code><\/td>\u5411\u7a0b\u5e8f\u53d1\u9001\u4fe1\u53f7<\/td>signal 2<\/code>\uff08\u53d1\u9001SIGINT\uff09<\/td><\/tr>
handle<\/code><\/td>han<\/code><\/td>\u8bbe\u7f6e\u4fe1\u53f7\u5904\u7406\u65b9\u5f0f<\/td>handle SIGSEGV nostop<\/code>\uff08\u4e0d\u505c\u5728SIGSEGV\uff09<\/td><\/tr>
thread<\/code><\/td>th<\/code><\/td>\u5207\u6362\u8c03\u8bd5\u7ebf\u7a0b<\/td>thread 2<\/code>\uff08\u5207\u6362\u81f3\u7ebf\u7a0b2\uff09<\/td><\/tr>
frame<\/code><\/td>f<\/code><\/td>\u5207\u6362\u6808\u5e27<\/td>frame 1<\/code>\uff08\u5207\u6362\u81f3\u6808\u5e271\uff09<\/td><\/tr>
up<\/code><\/td>u<\/code><\/td>\u5411\u6808\u5e27\u4e0a\u5c42\u79fb\u52a8<\/td>up<\/code><\/td><\/tr>
down<\/code><\/td>d<\/code><\/td>\u5411\u6808\u5e27\u4e0b\u5c42\u79fb\u52a8<\/td>down<\/code><\/td><\/tr>
backtrace<\/code><\/td>bt<\/code><\/td>\u67e5\u770b\u8c03\u7528\u6808<\/td>bt<\/code><\/td><\/tr>
set<\/code><\/td><\/td>\u4fee\u6539\u53d8\u91cf\u7684\u503c\u3002<\/td>set my_var = 100<\/code><\/td><\/tr>
set follow-fork-mode<\/code><\/td>sfm<\/code><\/td>\u8bbe\u7f6e\u5b50\u8fdb\u7a0b\u8c03\u8bd5\u6a21\u5f0f<\/td>set follow-fork-mode child<\/code>\uff08\u8ddf\u8e2a\u5b50\u8fdb\u7a0b\uff09<\/td><\/tr>
set stop-on-solib-events<\/code><\/td>ssse<\/code><\/td>\u8bbe\u7f6e\u662f\u5426\u5728\u5171\u4eab\u5e93\u4e8b\u4ef6\u65f6\u505c\u6b62<\/td>set stop-on-solib-events 1<\/code>\uff08\u505c\u6b62\uff09<\/td><\/tr>
set pagination<\/code><\/td>sp<\/code><\/td>\u8bbe\u7f6e\u662f\u5426\u5206\u9875\u663e\u793a\u8f93\u51fa<\/td>set pagination 0<\/code>\uff08\u5173\u95ed\u5206\u9875\uff09<\/td><\/tr>
set args<\/code><\/td>sa<\/code><\/td>\u8bbe\u7f6e\u7a0b\u5e8f\u542f\u52a8\u53c2\u6570<\/td>set args arg1 arg2<\/code><\/td><\/tr>
set environment<\/code><\/td>sen<\/code><\/td>\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf<\/td>set environment VAR=value<\/code><\/td><\/tr>
set scheduler-locking<\/code><\/td>ssl<\/code><\/td>\u8bbe\u7f6e\u7ebf\u7a0b\u8c03\u5ea6\u9501\u5b9a\u6a21\u5f0f<\/td>set scheduler-locking on<\/code>\uff08\u9501\u5b9a\u8c03\u5ea6\uff09<\/td><\/tr>
set step-mode<\/code><\/td>ssm<\/code><\/td>\u8bbe\u7f6e\u5355\u6b65\u6267\u884c\u6a21\u5f0f\uff08\u5982\u662f\u5426\u8fdb\u5165\u51fd\u6570\uff09<\/td>set step-mode on<\/code>\uff08\u8fdb\u5165\u51fd\u6570\uff09<\/td><\/tr>
set $pc<\/code><\/td>spc<\/code><\/td>\u4fee\u6539\u7a0b\u5e8f\u8ba1\u6570\u5668\uff08\u6307\u4ee4\u6307\u9488\uff09<\/td>set $pc = 0x4005a0<\/code><\/td><\/tr>
set $sp<\/code><\/td>ssp<\/code><\/td>\u4fee\u6539\u6808\u6307\u9488<\/td>set $sp = 0x7fffffff0000<\/code><\/td><\/tr>
set $fp<\/code><\/td>sfp<\/code><\/td>\u4fee\u6539\u5e27\u6307\u9488<\/td>set $fp = 0x7fffffff0010<\/code><\/td><\/tr>
set $ps<\/code><\/td>sps<\/code><\/td>\u4fee\u6539\u5904\u7406\u5668\u72b6\u6001<\/td>set $ps = 0x2000<\/code>\uff08\u8bbe\u7f6e\u7279\u5b9a\u6807\u5fd7\u4f4d\uff09<\/td><\/tr>
set $ac<\/code><\/td>sac<\/code><\/td>\u4fee\u6539\u7d2f\u52a0\u5668<\/td>set $ac = 0x1234<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u8c03\u7528\u6808\u67e5\u770b<\/h2>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
backtrace<\/code><\/td>bt<\/code><\/td>\u663e\u793a\u5f53\u524d\u7684\u51fd\u6570\u8c03\u7528\u6808\uff08\u56de\u6eaf\uff09\u3002<\/td>backtrace<\/code><\/td><\/tr>
frame<\/code><\/td>f<\/code><\/td>\u5207\u6362\u5230\u6307\u5b9a\u7684\u6808\u5e27\u3002frame 0<\/code> \u662f\u5f53\u524d\u5e27\uff0cframe 1<\/code> \u662f\u8c03\u7528\u5f53\u524d\u51fd\u6570\u7684\u5e27\u3002<\/td>frame 1<\/code><\/td><\/tr>
info frame<\/code><\/td>info f<\/code><\/td>\u663e\u793a\u5f53\u524d\u6808\u5e27\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5305\u62ec\u53c2\u6570\u3001\u5c40\u90e8\u53d8\u91cf\u548c\u8fd4\u56de\u5730\u5740\u3002<\/td>info frame<\/code><\/td><\/tr>
up<\/code><\/td>-<\/td>\u5411\u4e0a\u79fb\u52a8\u4e00\u4e2a\u6808\u5e27\uff08\u5411 main<\/code> \u51fd\u6570\u65b9\u5411\uff09\u3002<\/td>up<\/code><\/td><\/tr>
down<\/code><\/td>-<\/td>\u5411\u4e0b\u79fb\u52a8\u4e00\u4e2a\u6808\u5e27\uff08\u8fdc\u79bb main<\/code> \u51fd\u6570\u65b9\u5411\uff09\u3002<\/td>down<\/code><\/td><\/tr>
info args<\/code><\/td>-<\/td>\u663e\u793a\u5f53\u524d\u6808\u5e27\u7684\u51fd\u6570\u53c2\u6570\u3002<\/td>info args<\/code><\/td><\/tr>
info locals<\/code><\/td>-<\/td>\u663e\u793a\u5f53\u524d\u6808\u5e27\u7684\u5c40\u90e8\u53d8\u91cf\u3002<\/td>info locals<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u7ebf\u7a0b\u8c03\u8bd5<\/h2>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
info threads<\/code><\/td>info t<\/code><\/td>\u663e\u793a\u6240\u6709\u7ebf\u7a0b\u7684\u6458\u8981\u4fe1\u606f\u3002<\/td>info threads<\/code><\/td><\/tr>
thread<\/code><\/td>t<\/code><\/td>\u5207\u6362\u5f53\u524d\u8c03\u8bd5\u7684\u7ebf\u7a0b\u3002GDB \u4f1a\u663e\u793a\u5f53\u524d\u7ebf\u7a0b\u53f7\u3002<\/td>thread 2<\/code><\/td><\/tr>
break ... thread <id><\/code><\/td>-<\/td>\u5728\u6307\u5b9a\u7ebf\u7a0b\u4e2d\u8bbe\u7f6e\u65ad\u70b9\u3002<\/td>b 40 thread 3<\/code><\/td><\/tr>
info inferiors<\/code><\/td>-<\/td>\u663e\u793a\u6240\u6709\u88ab\u8c03\u8bd5\u7684\u8fdb\u7a0b\uff08\u901a\u5e38\u7528\u4e8e\u8c03\u8bd5\u5b50\u8fdb\u7a0b\uff09\u3002<\/td>info inferiors<\/code><\/td><\/tr>
inferior<\/code><\/td>-<\/td>\u5207\u6362\u5f53\u524d\u8c03\u8bd5\u7684\u8fdb\u7a0b\u3002<\/td>inferior 2<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u6e90\u4ee3\u7801\u67e5\u770b<\/h2>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
list<\/code><\/td>l<\/code><\/td>\u663e\u793a\u6e90\u4ee3\u7801\u3002\u9ed8\u8ba4\u663e\u793a\u5f53\u524d\u884c\u9644\u8fd1\u7684\u4ee3\u7801\u3002<\/td>list<\/code><\/td><\/tr>
list <function><\/code><\/td>-<\/td>\u663e\u793a\u6307\u5b9a\u51fd\u6570\u7684\u6e90\u4ee3\u7801\u3002<\/td>list main<\/code><\/td><\/tr>
list <line_num><\/code><\/td>-<\/td>\u663e\u793a\u6307\u5b9a\u884c\u53f7\u9644\u8fd1\u7684\u6e90\u4ee3\u7801\u3002<\/td>list 50<\/code><\/td><\/tr>
list <start>, <end><\/code><\/td>-<\/td>\u663e\u793a\u6307\u5b9a\u884c\u53f7\u8303\u56f4\u7684\u6e90\u4ee3\u7801\u3002<\/td>list 20, 30<\/code><\/td><\/tr>
search<\/code><\/td>-<\/td>\u5728\u6e90\u4ee3\u7801\u4e2d\u641c\u7d22\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/td>search my_function<\/code><\/td><\/tr>
info source<\/code><\/td>-<\/td>\u663e\u793a\u5f53\u524d\u6b63\u5728\u67e5\u770b\u7684\u6e90\u6587\u4ef6\u4fe1\u606f\u3002<\/td>info source<\/code><\/td><\/tr>
forward-search<\/code><\/td>-<\/td>\u5411\u540e\u641c\u7d22\u3002<\/td>forward-search \"pattern\"<\/code><\/td><\/tr>
reverse-search<\/code><\/td>-<\/td>\u5411\u524d\u641c\u7d22\u3002<\/td>reverse-search \"pattern\"<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u6570\u636e\u67e5\u770b<\/h2>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
x<\/strong><\/td><\/td>\u5185\u5b58\u68c0\u67e5\uff08\u5341\u516d\u8fdb\u5236\/ASCII\u683c\u5f0f\uff09<\/td>x\/4xw &data<\/code>\uff08\u68c0\u67e5data<\/code>\u5730\u5740\u5f00\u59cb\u76844\u4e2a\u5b57\uff09<\/td><\/tr>
print<\/strong><\/td>p<\/code><\/td>
\u6253\u5370\u53d8\u91cf\u6216\u8868\u8fbe\u5f0f\u7684\u503c\u3002<\/td>		p my_var<\/code>
p *ptr<\/code>
p obj.member<\/code><\/td><\/tr>
ptype<\/strong><\/td>pt<\/code><\/td>\u67e5\u770b\u53d8\u91cf\/\u7c7b\u578b\u7684\u5b9a\u4e49<\/td>ptype int<\/code>\uff08\u67e5\u770bint<\/code>\u7c7b\u578b\u5b9a\u4e49\uff09\u6216 ptype struct mystruct<\/code><\/td><\/tr>
whatis<\/strong><\/td>w<\/code><\/td>\u67e5\u770b\u8868\u8fbe\u5f0f\u7c7b\u578b<\/td>whatis data<\/code>\uff08\u663e\u793adata<\/code>\u7684\u7c7b\u578b\uff09<\/td><\/tr>
disassemble<\/strong><\/td>disas<\/code><\/td>\u53cd\u6c47\u7f16\u5f53\u524d\u51fd\u6570\u6216\u6307\u5b9a\u5730\u5740<\/td>disassemble main<\/code>\uff08\u53cd\u6c47\u7f16main<\/code>\u51fd\u6570\uff09\u6216 disas 0x4005a0<\/code><\/td><\/tr>
inspect<\/strong><\/td>ins<\/code><\/td>\u68c0\u67e5\u5bf9\u8c61\u5185\u5b58\u5e03\u5c40<\/td>inspect obj<\/code>\uff08\u663e\u793a\u5bf9\u8c61obj<\/code>\u7684\u5185\u5b58\u7ed3\u6784\uff09<\/td><\/tr>
display<\/strong><\/td><\/td>\u8bbe\u7f6e\u4e00\u4e2a\u8868\u8fbe\u5f0f\uff0c\u6bcf\u6b21\u7a0b\u5e8f\u6682\u505c\u65f6\u81ea\u52a8\u663e\u793a\u5176\u503c\u3002<\/td>display my_counter<\/code><\/td><\/tr>
undisplay<\/strong><\/td><\/td>\u505c\u6b62\u81ea\u52a8\u663e\u793a\u67d0\u4e2a\u8868\u8fbe\u5f0f<\/td>undisplay 1<\/code><\/td><\/tr>
info display<\/strong><\/td><\/td>\u663e\u793a\u6240\u6709\u8bbe\u7f6e\u4e86\u81ea\u52a8\u663e\u793a\u7684\u8868\u8fbe\u5f0f\u3002<\/td>info display<\/code><\/td><\/tr>
info registers<\/strong><\/td>i r<\/code><\/td>\u67e5\u770b\u6240\u6709\u5bc4\u5b58\u5668\u72b6\u6001<\/td>info registers<\/code>\uff08\u663e\u793a\u901a\u7528\u5bc4\u5b58\u5668\u503c\uff09<\/td><\/tr>
info threads<\/strong><\/td>i th<\/code><\/td>\u67e5\u770b\u7ebf\u7a0b\u5217\u8868\u53ca\u72b6\u6001<\/td>info threads<\/code>\uff08\u663e\u793a\u6240\u6709\u7ebf\u7a0bID\u53ca\u5f53\u524d\u6267\u884c\u4f4d\u7f6e\uff09<\/td><\/tr>
info stack<\/strong><\/td>i s<\/code><\/td>\u67e5\u770b\u8c03\u7528\u6808\uff08\u540cbacktrace<\/code>\uff09<\/td>info stack<\/code> \u6216 bt<\/code>\uff08\u663e\u793a\u5b8c\u6574\u8c03\u7528\u6808\uff09<\/td><\/tr>
info frame<\/strong><\/td>i f<\/code><\/td>\u67e5\u770b\u5f53\u524d\u6808\u5e27\u8be6\u7ec6\u4fe1\u606f<\/td>info frame<\/code>\uff08\u663e\u793a\u6808\u5e27\u57fa\u5740\u3001\u8fd4\u56de\u5730\u5740\u7b49\uff09<\/td><\/tr>
info functions<\/strong><\/td><\/td>\u663e\u793a\u6240\u6709\u51fd\u6570\u540d\uff08\u53ef\u914d\u5408\u00a0regex<\/code>\uff09\u3002<\/td>info functions ^main<\/code><\/td><\/tr>
info variables<\/strong><\/td><\/td>\u663e\u793a\u6240\u6709\u5168\u5c40\/\u9759\u6001\u53d8\u91cf\u540d\u3002<\/td>info variables<\/code><\/td><\/tr>
info locals<\/strong><\/td>i l<\/code><\/td>\u67e5\u770b\u5f53\u524d\u6808\u5e27\u7684\u5c40\u90e8\u53d8\u91cf<\/td>info locals<\/code>\uff08\u5217\u51fa\u6240\u6709\u5c40\u90e8\u53d8\u91cf\u53ca\u503c\uff09<\/td><\/tr>
info args<\/strong><\/td>i a<\/code><\/td>\u67e5\u770b\u5f53\u524d\u51fd\u6570\u7684\u53c2\u6570<\/td>info args<\/code>\uff08\u663e\u793a\u51fd\u6570\u53c2\u6570\u540d\u53ca\u503c\uff09<\/td><\/tr>
info addr<\/strong><\/td>i ad<\/code><\/td>\u67e5\u770b\u7b26\u53f7\u7684\u5730\u5740<\/td>info addr data<\/code>\uff08\u663e\u793a\u53d8\u91cfdata<\/code>\u7684\u5185\u5b58\u5730\u5740\uff09<\/td><\/tr>
info line<\/strong><\/td>i li<\/code><\/td>\u67e5\u770b\u6e90\u4ee3\u7801\u884c\u4fe1\u606f<\/td>info line 20<\/code>\uff08\u663e\u793a\u7b2c20\u884c\u7684\u5730\u5740\u8303\u56f4\u53ca\u4ee3\u7801\uff09<\/td><\/tr>
info files<\/strong><\/td>i f<\/code><\/td>\u67e5\u770b\u76ee\u6807\u6587\u4ef6\u4fe1\u606f<\/td>info files<\/code>\uff08\u663e\u793a\u53ef\u6267\u884c\u6587\u4ef6\u3001\u7b26\u53f7\u6587\u4ef6\u8def\u5f84\uff09<\/td><\/tr>
info target<\/strong><\/td>i t<\/code><\/td>\u67e5\u770b\u5f53\u524d\u8c03\u8bd5\u76ee\u6807\u4fe1\u606f<\/td>info target<\/code>\uff08\u663e\u793a\u76ee\u6807\u6587\u4ef6\u3001\u67b6\u6784\u3001\u7b26\u53f7\u52a0\u8f7d\u72b6\u6001\uff09<\/td><\/tr>
info sharedlibrary<\/strong><\/td>i sh<\/code><\/td>\u67e5\u770b\u5171\u4eab\u5e93\u52a0\u8f7d\u4fe1\u606f<\/td>info sharedlibrary<\/code>\uff08\u663e\u793a\u5df2\u52a0\u8f7d\u7684\u5171\u4eab\u5e93\u53ca\u5730\u5740\u8303\u56f4\uff09<\/td><\/tr>
info proc<\/strong><\/td>i p<\/code><\/td>\u67e5\u770b\u8fdb\u7a0b\u4fe1\u606f\uff08\u5185\u5b58\u6620\u5c04\u3001\u5bc4\u5b58\u5668\u7b49\uff09<\/td>info proc mappings<\/code>\uff08\u663e\u793a\u8fdb\u7a0b\u5185\u5b58\u6620\u5c04\u533a\u57df\uff09<\/td><\/tr>
info signals<\/strong><\/td>i sig<\/code><\/td>\u67e5\u770b\u4fe1\u53f7\u5904\u7406\u8bbe\u7f6e<\/td>info signals<\/code>\uff08\u663e\u793a\u4fe1\u53f7\u4e0e\u5904\u7406\u51fd\u6570\u7684\u6620\u5c04\u5173\u7cfb\uff09<\/td><\/tr>
info types<\/strong><\/td>i ty<\/code><\/td>\u67e5\u770b\u5df2\u5b9a\u4e49\u7684\u7c7b\u578b<\/td>info types<\/code>\uff08\u5217\u51fa\u6240\u6709\u5df2\u5b9a\u4e49\u7684\u7ed3\u6784\u4f53\u3001\u8054\u5408\u4f53\u7b49\uff09<\/td><\/tr>
info symbol<\/strong><\/td>i sy<\/code><\/td>\u67e5\u770b\u5730\u5740\u5bf9\u5e94\u7684\u7b26\u53f7<\/td>info symbol 0x4005a0<\/code>\uff08\u663e\u793a\u8be5\u5730\u5740\u5bf9\u5e94\u7684\u51fd\u6570\/\u53d8\u91cf\u540d\uff09<\/td><\/tr>
info address<\/strong><\/td>i ad<\/code><\/td>\u67e5\u770b\u5730\u5740\u5bf9\u5e94\u7684\u7b26\u53f7\u53ca\u6bb5\u4fe1\u606f<\/td>info address 0x7fffffff0000<\/code>\uff08\u663e\u793a\u5730\u5740\u6240\u5728\u7684\u6bb5\u53ca\u7b26\u53f7\uff09<\/td><\/tr>
info catch<\/strong><\/td>i c<\/code><\/td>\u67e5\u770b\u6355\u6349\u65ad\u70b9\u4fe1\u606f<\/td>info catch<\/code>\uff08\u663e\u793a\u5df2\u8bbe\u7f6e\u7684\u5f02\u5e38\/\u4e8b\u4ef6\u6355\u6349\u65ad\u70b9\uff09<\/td><\/tr>
info watch<\/strong><\/td>i w<\/code><\/td>\u67e5\u770b\u89c2\u5bdf\u65ad\u70b9\u4fe1\u606f<\/td>info watch<\/code>\uff08\u663e\u793a\u6240\u6709\u53d8\u91cf\u76d1\u63a7\u65ad\u70b9\u53ca\u72b6\u6001\uff09<\/td><\/tr>
info break<\/strong><\/td>i b<\/code><\/td>\u67e5\u770b\u65ad\u70b9\u4fe1\u606f\uff08\u540cinfo breakpoints<\/code>\uff09<\/td>info break<\/code>\uff08\u663e\u793a\u6240\u6709\u65ad\u70b9\u7f16\u53f7\u3001\u4f4d\u7f6e\u3001\u72b6\u6001\uff09<\/td><\/tr>
show<\/strong><\/td><\/td>\u67e5\u770bGDB\u8bbe\u7f6e\u53c2\u6570\uff08\u4e0eset\u5bf9\u5e94\uff09<\/td>show pagination<\/code>\uff08\u67e5\u770b\u662f\u5426\u542f\u7528\u5206\u9875\u6a21\u5f0f\uff09<\/td><\/tr>
help<\/strong><\/td>h<\/code><\/td>\u67e5\u770b\u547d\u4ee4\u5e2e\u52a9\u6587\u6863<\/td>help break<\/code>\uff08\u663e\u793abreak<\/code>\u547d\u4ee4\u7684\u8be6\u7ec6\u7528\u6cd5\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
GDB\u73af\u5883\u4e0e\u8bbe\u7f6e<\/h2>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
set<\/code><\/td>-<\/td>\u8bbe\u7f6e GDB \u7684\u5404\u79cd\u5185\u90e8\u53d8\u91cf\u3002<\/td>set print pretty on<\/code><\/td><\/tr>
show<\/code><\/td>-<\/td>\u663e\u793a GDB \u7684\u5185\u90e8\u53d8\u91cf\u8bbe\u7f6e\u3002<\/td>show print pretty<\/code><\/td><\/tr>
set logging on<\/code><\/td>-<\/td>\u5f00\u542f\u65e5\u5fd7\u8bb0\u5f55\uff0c\u5c06 GDB \u7684\u8f93\u51fa\u4fdd\u5b58\u5230\u6587\u4ef6\u3002<\/td>set logging on<\/code><\/td><\/tr>
set logging off<\/code><\/td>-<\/td>\u5173\u95ed\u65e5\u5fd7\u8bb0\u5f55\u3002<\/td>set logging off<\/code><\/td><\/tr>
set prompt<\/code><\/td>-<\/td>\u81ea\u5b9a\u4e49 GDB \u7684\u547d\u4ee4\u63d0\u793a\u7b26\u3002<\/td>set prompt (gdb)<\/code><\/td><\/tr>
set height<\/code><\/td>-<\/td>\u8bbe\u7f6e\u547d\u4ee4\u7684\u663e\u793a\u9ad8\u5ea6\uff0c0 \u8868\u793a\u65e0\u9650\u5236\u3002<\/td>set height 0<\/code><\/td><\/tr>
set width<\/code><\/td>-<\/td>\u8bbe\u7f6e\u547d\u4ee4\u7684\u663e\u793a\u5bbd\u5ea6\u3002<\/td>set width 120<\/code><\/td><\/tr>
source<\/code><\/td>-<\/td>\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u5e76\u6267\u884c GDB \u547d\u4ee4\u3002<\/td>source ~\/.gdbinit<\/code><\/td><\/tr>
help<\/code><\/td>h<\/code><\/td>\u663e\u793a\u5e2e\u52a9\u4fe1\u606f\u3002help<\/code> \u663e\u793a\u6240\u6709\u547d\u4ee4\u5206\u7c7b\uff0chelp <command><\/code> \u663e\u793a\u5177\u4f53\u547d\u4ee4\u7684\u5e2e\u52a9\u3002<\/td>help<\/code>
help run<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u975e\u505c\u6b62\u6a21\u5f0f\uff08Non-Stop Mode\uff09<\/h2>\n\n\n\n
\u8fd9\u662f\u4e00\u4e2a\u9ad8\u7ea7\u529f\u80fd\uff0c\u5141\u8bb8\u5728\u8c03\u8bd5\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u65f6\uff0c\u5373\u4f7f\u4e00\u4e2a\u7ebf\u7a0b\u547d\u4e2d\u65ad\u70b9\uff0c\u5176\u4ed6\u7ebf\u7a0b\u4e5f\u53ef\u4ee5\u7ee7\u7eed\u8fd0\u884c\u3002<\/p>\n\n\n\n
\u547d\u4ee4\u5168\u79f0<\/th>\u7f29\u5199<\/th>\u7528\u6cd5\u8bf4\u660e<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
set non-stop on<\/code><\/td>-<\/td>\u5f00\u542f\u975e\u505c\u6b62\u6a21\u5f0f\u3002<\/td>set non-stop on<\/code><\/td><\/tr>
set non-stop off<\/code><\/td>-<\/td>\u5173\u95ed\u975e\u505c\u6b62\u6a21\u5f0f\uff08\u9ed8\u8ba4\uff09\u3002<\/td>set non-stop off<\/code><\/td><\/tr>
continue&<\/code><\/td>c&<\/code><\/td>\u5728\u975e\u505c\u6b62\u6a21\u5f0f\u4e0b\uff0c\u8ba9\u6240\u6709\u7ebf\u7a0b\u7ee7\u7eed\u6267\u884c\u3002<\/td>continue&<\/code><\/td><\/tr>
next&<\/code><\/td>n&<\/code><\/td>\u5728\u975e\u505c\u6b62\u6a21\u5f0f\u4e0b\uff0c\u8ba9\u5f53\u524d\u7ebf\u7a0b\u6267\u884c\u4e0b\u4e00\u884c\u3002<\/td>next&<\/code><\/td><\/tr>
step&<\/code><\/td>s&<\/code><\/td>\u5728\u975e\u505c\u6b62\u6a21\u5f0f\u4e0b\uff0c\u8ba9\u5f53\u524d\u7ebf\u7a0b\u6b65\u5165\u4e0b\u4e00\u884c\u3002<\/td>step&<\/code><\/td><\/tr>
interrupt<\/code><\/td>-<\/td>\u5728\u975e\u505c\u6b62\u6a21\u5f0f\u4e0b\uff0c\u4e2d\u65ad\u6240\u6709\u7ebf\u7a0b\u7684\u6267\u884c\u3002<\/td>interrupt<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"
\u542f\u7528GDB\u8c03\u8bd5 \u60f3\u8981\u4f7f\u7528GDB\u8c03\u8bd5\u5e94\u7528\uff0c\u9996\u5148\u5728\u7f16\u8bd1\u7684\u65f6\u5019\u5c31\u8981\u6307\u5b9a\u4f7f\u7528GDB\u8c03\u8bd5\uff0c\u5426\u5219\u867d\u7136\u53ef\u4ee5\u8c03\u8bd5\uff0c\u4f46\u6ca1\u6cd5\u5728\u8c03\u8bd5 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[14,5],"tags":[],"class_list":["post-637","post","type-post","status-publish","format-standard","hentry","category-gdb","category-5"],"_links":{"self":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/posts\/637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/comments?post=637"}],"version-history":[{"count":0,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/posts\/637\/revisions"}],"wp:attachment":[{"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/media?parent=637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/categories?post=637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/niuguodong.com\/index.php\/wp-json\/wp\/v2\/tags?post=637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}