{"id":826,"date":"2010-07-21T03:02:06","date_gmt":"2010-07-21T09:02:06","guid":{"rendered":"http:\/\/edsionte.com\/techblog\/?p=826"},"modified":"2010-07-25T06:55:28","modified_gmt":"2010-07-25T12:55:28","slug":"gdb%e8%b0%83%e8%af%95%e5%99%a8%e5%bf%ab%e9%80%9f%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"http:\/\/edsionte.com\/techblog\/archives\/826","title":{"rendered":"gdb\u8c03\u8bd5\u5668\u5feb\u901f\u5165\u95e8"},"content":{"rendered":"

\u4e00\u76f4\u4e0d\u4f1a\u4f7f\u7528gdb\u8c03\u8bd5\u5668\uff0c\u4e3b\u8981\u539f\u56e0\u662f\u5b83\u4e0d\u50cfwindows\u4e0b\u90a3\u4e9b\u7f16\u8bd1\u73af\u5883\u6709\u826f\u597d\u7684\u56fe\u5f62\u754c\u9762\uff0c\u6240\u4ee5\u4e00\u518d\u7684\u6392\u65a5gdb\u8c03\u8bd5\u5668\u3002\u9047\u5230\u95ee\u9898\u4e5f\u662f\u76f2\u76ee\u5bfb\u627e\u3002\u4e0b\u5348\u82b1\u4e86\u4e9b\u65f6\u95f4\u4e13\u95e8\u770b\u4e86gdb\u8c03\u8bd5\u5668\u7684\u76f8\u5173\u8d44\u6599\uff0c\u5176\u5b9e\u4e0a\u624b\u4e00\u70b9\u90fd\u4e0d\u56f0\u96be\u3002\u672c\u6587\u901a\u8fc7FQA\u7684\u65b9\u5f0f\u8ba9\u4f60\u5feb\u901f\u5165\u95e8gdb\u8c03\u8bd5\u5668\u3002<\/p>\n

1.\u5982\u4f55\u542f\u52a8gdb\u8c03\u8bd5\u5668\u5462\uff1f<\/p>\n

\u5728\u7ec8\u7aef\u8f93\u5165 gdb \u7a0b\u5e8f\u6587\u4ef6\u540d<\/strong> \u5373\u53ef\u3002\u6ce8\u610fgdb\u8c03\u8bd5\u7684\u662f\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u800c\u4e0d\u662f\u6e90\u4ee3\u7801\u3002\u56e0\u6b64\u6b64\u5904\u7684\u6587\u4ef6\u540d\u5e94\u8be5\u662f\u53ef\u6267\u884c\u7a0b\u5e8f\u6587\u4ef6\u540d\u3002\u6210\u529f\u8fdb\u5165gdb\u540e\u4f1a\u663e\u793a\u4e00\u5927\u6bb5\u6587\u5b57\u8bf4\u660e\uff0c\u7136\u540e\u662fgdb\u63d0\u793a\u7b26\uff1a(gdb) <\/strong>\u3002<\/p>\n

\u8bf7\u6ce8\u610f\u5728\u8fdb\u5165gdb\u4e4b\u524d\u5e94\u8be5\u6309\u7167\u5982\u4e0b\u65b9\u5f0f\u7f16\u8bd1\u6e90\u7a0b\u5e8f\uff1a<\/p>\n

gcc -g test_gdb.c -o test_gdb<\/pre>\n
\u53ea\u6709\u52a0\u5165\u9009\u9879-g\u624d\u80fd\u88abgdb\u8c03\u8bd5\u3002<\/p>\n
2.\u9664\u4e86\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u8fd8\u6709\u5176\u4ed6\u65b9\u6cd5\u8fdb\u5165gdb\u5417\uff1f<\/p>\n
\u76f4\u63a5\u5728\u7ec8\u7aef\u8f93\u5165\uff1agdb<\/strong>\uff0c\u6210\u529f\u8fdb\u5165\u540e\uff0c\u4f7f\u7528file\u547d\u4ee4\u88c5\u5165\u8981\u8c03\u8bd5\u7684\u7a0b\u5e8f\u3002\u8f93\u5165\uff1a file \u7a0b\u5e8f\u6587\u4ef6\u540d<\/strong> \u5373\u53ef\u3002<\/p>\n
3.\u6211\u6210\u529f\u8fdb\u5165\u4e86gdb\uff0c\u5982\u4f55\u9000\u51fa\u5462\uff1f<\/p>\n
\u4f7f\u7528quit\u547d\u4ee4\uff0c\u8f93\u5165\uff1a quit<\/strong> \u5373\u53ef\u3002<\/p>\n
4.\u8fdb\u5165gdb\u540e\uff0c\u6211\u8981\u67e5\u770b\u6e90\u4ee3\u7801\u5fc5\u987b\u9000\u51fa\u624d\u80fd\u67e5\u770b\u5417\uff1f<\/p>\n
\u5f53\u7136\u4e0d\u7528\u3002\u4e0b\u9762\u7684\u547d\u4ee4\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5feb\u901f\u67e5\u770b\u6e90\u7801\u3002<\/p>\n
list<\/strong>\uff1a \u663e\u793a10\u6e90\u4ee3\u7801\uff0c\u518d\u6b21\u8f93\u5165\u8be5\u547d\u4ee4\u663e\u793a\u63a5\u4e0b\u6765\u768410\u884c\u3002<\/p>\n
list 1,10<\/strong>:\u663e\u793a\u4ece\u7b2c\u4e00\u884c\u5230\u7b2c10\u884c\u7684\u4ee3\u7801\u3002<\/p>\n
list \u51fd\u6570\u540d<\/strong>\uff1a\u663e\u793a\u6b64\u51fd\u6570\u540d\u5468\u56f4\u7684\u4ee3\u7801\u3002<\/p>\n
5.gdb\u53ef\u4ee5\u8bbe\u7f6e\u65ad\u70b9\u5417\uff1f\u5982\u4f55\u8bbe\u7f6e\uff1f<\/p>\n
\u5728gdb\u4e2d\u6700\u7b80\u5355\u7684\u8bbe\u7f6e\u65b9\u5f0f\u662f\uff1abreak \u884c\u53f7<\/strong> \u5728\u8fd9\u4e00\u884c\u8bbe\u7f6e\u65ad\u70b9\u3002\u6bd4\u5982break 9 \u4f1a\u5728\u4ee3\u7801\u7684\u7b2c9\u884c\u8bbe\u7f6e\u65ad\u70b9\u3002\u5f53\u7a0b\u5e8f\u6267\u884c\u5230\u7b2c9\u884c\u4f1a\u81ea\u52a8\u6682\u505c\uff0c\u6b64\u65f6\uff0c\u7b2c9\u884c\u4ee3\u7801\u8fd8\u672a\u6267\u884c\u3002<\/p>\n
\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\uff1abreak \u51fd\u6570\u540d<\/strong> \u7684\u65b9\u5f0f\u5728\u67d0\u4e2a\u51fd\u6570\u5904\u8bbe\u7f6e\u65ad\u70b9\uff0c\u7a0b\u5e8f\u8fd0\u884c\u5230\u8fd9\u4e2a\u51fd\u6570\u5185\u7684\u7b2c\u4e00\u6761\u8bed\u53e5\u5904\u4f1a\u81ea\u52a8\u6682\u505c\u3002<\/p>\n
\u4f60\u4e5f\u53ef\u4ee5\u8fd9\u6837\u8bbe\u7f6e\u65ad\u70b9\uff1abreak \u884c\u53f7\u6216\u51fd\u6570\u540d if \u6761\u4ef6 <\/strong>\u3002\u5b83\u5f88\u597d\u7406\u89e3\uff0c\u5f53\u6ee1\u8db3if\u6761\u4ef6\u8bed\u53e5\u65f6\u624d\u4f1a\u5728\u6307\u5b9a\u7684\u884c\u53f7\u6216\u8005\u51fd\u6570\u540d\u5904\u65ad\u70b9\u3002<\/p>\n
6.\u6211\u53d1\u73b0\u6211\u628a\u65ad\u70b9\u8bbe\u7f6e\u9519\u4e86\uff0c\u5982\u4f55\u6d88\u9664\u65ad\u70b9\uff1f<\/p>\n
\u4f7f\u7528\u547d\u4ee4\uff1aclear \u884c\u53f7<\/strong> \u5373\u53ef\u5220\u9664\u3002<\/p>\n
7.\u6211\u5df2\u7ecf\u6210\u529f\u8bbe\u7f6e\u4e86\u65ad\u70b9\uff0c\u53ef\u662f\u6211\u5982\u4f55\u8fd0\u884c\u7a0b\u5e8f\u4ee5\u4fbf\u8ba9\u5b83\u5728\u65ad\u70b9\u5904\u6682\u505c\uff1f<\/p>\n
\u8f93\u5165\uff1arun<\/strong> \u5373\u53ef\u3002\u7a0b\u5e8f\u81ea\u52a8\u505c\u6b62\u5728\u7b2c\u4e00\u4e2a\u65ad\u70b9\u5904\u3002<\/p>\n
8.\u6211\u7684\u7a0b\u5e8f\u8fd0\u884c\u7684\u65f6\u5019\u9700\u8981\u52a0\u53c2\u6570\uff0c\u6211\u8fd8\u80fd\u7ee7\u7eed\u4f7f\u7528run\u547d\u4ee4\u8fd0\u884c\u7a0b\u5e8f\u5417\uff1f<\/p>\n
\u5f53\u7136\u53ef\u4ee5\uff0c\u53ea\u4e0d\u8fc7\u4f60\u8981\u5728run\u540e\u52a0\u4e0a\u4f60\u7684\u53c2\u6570\uff0c\u53c2\u6570\u95f4\u7528\u7a7a\u683c\u9694\u5f00\u3002\u5982\uff1arun \u53c2\u65701 \u53c2\u65702 \u00a0…..<\/strong><\/p>\n
9.\u6709\u65f6\u5019\u6211\u5e76\u4e0d\u786e\u5b9a\u7a0b\u5e8f\u5177\u4f53\u54ea\u4e00\u53e5\u6709\u95ee\u9898\uff0c\u6211\u5982\u4f55\u4e00\u6b65\u4e00\u6b65\u7684\u67e5\u770b\u8bed\u53e5\uff1f<\/p>\n
\u4e24\u79cd\u547d\u4ee4\uff1anext<\/strong>\u548cstep<\/strong>\u3002\u4e24\u8005\u5747\u53ef\u4ee5\u4e00\u53e5\u4e00\u53e5\u7684\u67e5\u770b\u8bed\u53e5\u3002\u4f46\u4e0d\u540c\u7684\u662f\uff0cnext\u547d\u4ee4\u5c06\u51fd\u6570\u8c03\u7528\u770b\u4f5c\u4e00\u6761\u8bed\u53e5\uff0c\u800cstep\u5219\u4f1a\u8fdb\u5165\u51fd\u6570\uff0c\u4e00\u6b65\u6b65\u7684\u6267\u884c\u51fd\u6570\u5185\u7684\u4ee3\u7801\u3002<\/p>\n
10.\u5982\u4f55\u8ba9\u6682\u505c\u7684\u4ee3\u7801\u7ee7\u7eed\u8fd0\u884c\uff1f<\/p>\n
\u8f93\u5165\u547d\u4ee4\uff1acontinue<\/strong>\u3002\u5b83\u53ef\u4ee5\u8ba9\u7a0b\u5e8f\u7ee7\u7eed\u8fd0\u884c\uff0c\u76f4\u5230\u7a0b\u5e8f\u8fd0\u884c\u5b8c\u6bd5\u6216\u8005\u9047\u5230\u4e0b\u4e00\u4e2a\u65ad\u70b9\u4e3a\u6b62\u3002<\/p>\n
11.\u5f53\u7a0b\u5e8f\u5728\u65ad\u70b9\u5904\u6682\u505c\u6267\u884c\u65f6\uff0c\u5982\u4f55\u67e5\u770b\u5f53\u524d\u53d8\u91cf\u7684\u503c\uff1f<\/p>\n
\u4f7f\u7528print\u547d\u4ee4\u3002\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n
print \u547d\u4ee4\u6216\u8005\u8868\u8fbe\u5f0f<\/strong>\uff1a\u663e\u793a\u53d8\u91cf\u6216\u8868\u8fbe\u5f0f\u7684\u503c\u3002<\/p>\n
print \u53d8\u91cf=\u503c<\/strong>\uff1a\u4e3a\u53d8\u91cf\u8d4b\u503c\u3002<\/p>\n
\u4ee5\u4e0a\u547d\u4ee4\u5c5e\u4e8e\u57fa\u672c\u7684\u8c03\u8bd5\u547d\u4ee4\uff0c\u66f4\u591a\u7684\u547d\u4ee4\u53ef\u4ee5\u53c2\u8003\u8fd9\u672c\u4e66<\/a>\u3002<\/p>\n
\u719f\u6089\u4ee5\u4e0a\u547d\u4ee4\u4fbf\u53ef\u4ee5\u5feb\u901f\u5165\u95e8gdb\uff0c\u8981\u719f\u7ec3\u7684\u4f7f\u7528\u8c03\u8bd5\u5668\uff0c\u5f53\u4ee3\u7801\u9047\u5230\u95ee\u9898\u65f6\uff0c\u591a\u8c03\u8bd5\u5373\u53ef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u76f4\u4e0d\u4f1a\u4f7f\u7528gdb\u8c03\u8bd5\u5668\uff0c\u4e3b\u8981\u539f\u56e0\u662f\u5b83\u4e0d\u50cfwindows\u4e0b\u90a3\u4e9b\u7f16\u8bd1\u73af\u5883\u6709\u826f\u597d\u7684\u56fe\u5f62\u754c\u9762\uff0c\u6240\u4ee5\u4e00\u518d\u7684\u6392\u65a5gdb\u8c03 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[121,120],"class_list":["post-826","post","type-post","status-publish","format-standard","hentry","category-linuxc","tag-gdb","tag-120"],"views":7766,"_links":{"self":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts\/826","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/comments?post=826"}],"version-history":[{"count":0,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts\/826\/revisions"}],"wp:attachment":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/media?parent=826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/categories?post=826"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/tags?post=826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}