{"id":243,"date":"2025-08-08T18:10:27","date_gmt":"2025-08-08T10:10:27","guid":{"rendered":"http:\/\/www.tgwttt.xyz\/?p=243"},"modified":"2025-11-24T16:39:07","modified_gmt":"2025-11-24T08:39:07","slug":"%e5%8a%a8%e9%9d%99%e6%80%81%e5%ba%93","status":"publish","type":"post","link":"https:\/\/www.tgwttt.xyz\/?p=243","title":{"rendered":"\u52a8\u9759\u6001\u5e93"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

\u4f46\u662f\u6211\u4eec\u5728\u7f16\u8bd1\u65f6\u53c8\u627e\u4e0d\u5230\u5934\u6587\u4ef6\u4e86\u6240\u4ee5\u6211\u4eec\u9700\u8981\u4f7f\u7528\u5df2\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n

g++ usercode.c -o -I .\/lib\/include\/ -L .\/lib\/mylib\/ -l myc<\/p>\n\n\n\n

\u7cfb\u7edf\u9ed8\u8ba4\u5934\u6587\u4ef6\u4f4d\u7f6e\uff1a\/user\/lib<\/p>\n\n\n\n

\u7cfb\u7edf\u9ed8\u8ba4\u5e93\u6587\u4ef6\u4f4d\u7f6e\uff1a\/lib64<\/p>\n\n\n\n

\u52a8\u6001\u5e93<\/strong><\/p>\n\n\n\n

\u52a8\u6001\u5e93\u548c\u9759\u6001\u5e93\u7684\u539f\u7406\u57fa\u672c\u4e00\u81f4<\/p>\n\n\n\n

\u4f46\u662f\u5728\u7f16\u8bd1\u4e2d\uff0c\u9700\u8981:<\/p>\n\n\n\n

g++ *.c -fPIC -c *.o<\/p>\n\n\n\n

gcc *.o -o libmyc.so<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u5f53\u52a8\u9759\u5e93\u540c\u65f6\u5b58\u5728\u65f6\uff0cg++\u9ed8\u8ba4\u4f7f\u7528\u52a8\u6001\uff0c\u5982\u679c\u975e\u8981\u4f7f\u7528\u9759\u6001\u5e93(-static)<\/p>\n\n\n\n

vs \u4e0a\u53ef\u4ee5\u76f4\u63a5\u5f62\u6210\u52a8\u9759\u6001\u5e93<\/p>\n\n\n\n

\u76ee\u6807\u6587\u4ef6<\/strong><\/p>\n\n\n\n

\u7f16\u8bd1\u548c\u94fe\u63a5\u8fd9\u4e24\u4e2a\u6b65\u9aa4\uff0c\u5728windows\u4e0b\u88ab\u6211\u4eec\u7684ide\u5c01\u88c5\u7684\u5f88\u5b8c\u7f8e\uff0c\u6211\u4eec\u4e00\u822c\u90fd\u662f\u4e00\u952e\u6784\u5efa\u975e\u5e38\u65b9\u4fbf\uff0c\u4f46\u4e00\u65e6\u9047\u5230\uff0c\u9519\u8bef\u7684\u65f6\u5019\u5462\uff0c\u5c24\u5176\u662f\u94fe\u63a5\u76f8\u5173\u7684\u501f\u8bef\uff0c\u5f88\u591a\u4eba\u5c31\u675f\u624b\u65e0\u7b56\u4e86\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

.o\/.obj:\u53ef\u91cd\u5b9a\u4f4d\u76ee\u6807\u6587\u4ef6<\/p>\n\n\n\n

\u5f53\u66f4\u6539\u4e00\u4e2a\u6587\u4ef6\u65f6\u4e0d\u9700\u8981\u5168\u90e8\u7f16\u8bd1<\/p>\n\n\n\n

ELF\u6587\u4ef6<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u53ef\u6267\u884c\u7a0b\u5e8f\u548c\u52a8\u9759\u6001\u5e93\u90fd\u662fELF\u683c\u5f0f\u7684<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u53ef\u91cd\u5b9a\u4f4d\u2f42\u4ef6\uff08Relocatable File\uff09 \uff1a<\/p>\n\n\n\n

\u5373 xxx.o \u2f42\u4ef6\u3002\u5305\u542b\u9002\u5408\u4e8e\u4e0e\u5176\u4ed6\u2f6c\u6807\u2f42\u4ef6\u94fe\u63a5\u6765\u521b\u5efa\u53ef\u6267\u2f8f\u2f42\u4ef6\u6216\u8005\u5171\u4eab\u2f6c\u6807\u2f42\u4ef6\u7684\u4ee3\u7801\u548c\u6570\u636e\u3002<\/p>\n\n\n\n

\u2022 \u53ef\u6267\u2f8f\u2f42\u4ef6\uff08Executable File\uff09 \uff1a\u5373\u53ef\u6267\u2f8f\u7a0b\u5e8f\u3002<\/p>\n\n\n\n

\u2022 \u5171\u4eab\u2f6c\u6807\u2f42\u4ef6\uff08Shared Object File\uff09 \uff1a\u5373 xxx.so\u2f42\u4ef6\u3002<\/p>\n\n\n\n

\u2022 \u5185\u6838\u8f6c\u50a8(core dumps) \uff0c\u5b58\u653e\u5f53\u524d\u8fdb\u7a0b\u7684\u6267\u2f8f\u4e0a\u4e0b\u2f42\uff0c\u2f64\u4e8edump\u4fe1\u53f7\u89e6\u53d1\u3002 \u2f00\u4e2aELF\u2f42\u4ef6\u7531\u4ee5\u4e0b\u56db\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n\n\n\n

\u2022 ELF\u5934(ELF header) \uff1a\u63cf\u8ff0\u2f42\u4ef6\u7684\u4e3b\u8981\u7279\u6027\u3002\u5176\u4f4d\u4e8e\u2f42\u4ef6\u7684\u5f00\u59cb\u4f4d\u7f6e\uff0c\u5b83\u7684\u4e3b\u8981\u2f6c\u7684\u662f\u5b9a\u4f4d\u2f42\u4ef6\u7684\u5176\u4ed6\u90e8\u5206\u3002<\/p>\n\n\n\n

\u2022 \u7a0b\u5e8f\u5934\u8868(Program header table) \uff1a\u5217\u4e3e\u4e86\u6240\u6709\u6709\u6548\u7684\u6bb5(segments)\u548c\u4ed6\u4eec\u7684\u5c5e\u6027\u3002\u8868\u2fa5\u8bb0\u7740\u6bcf\u4e2a\u6bb5\u7684\u5f00\u59cb\u7684\u4f4d\u7f6e\u548c\u4f4d\u79fb\uff08offset\uff09\u3001\u2ed3\u5ea6\uff0c\u6bd5\u7adf\u8fd9\u4e9b\u6bb5\uff0c\u90fd\u662f\u7d27\u5bc6\u7684\u653e\u5728\u2f06\u8fdb\u5236\u2f42\u4ef6\u4e2d\uff0c\u9700\u8981\u6bb5\u8868\u7684\u63cf\u8ff0\u4fe1\u606f\uff0c\u624d\u80fd\u628a\u4ed6\u4eec\u6bcf\u4e2a\u6bb5\u5206\u5272\u5f00\u3002\u2022 \u8282\u5934\u8868(Section header table) \uff1a\u5305\u542b\u5bf9\u8282(sections)\u7684\u63cf\u8ff0\u3002<\/p>\n\n\n\n

\u2022 \u8282\uff08Section \uff09\uff1aELF\u2f42\u4ef6\u4e2d\u7684\u57fa\u672c\u7ec4\u6210\u5355\u4f4d\uff0c\u5305\u542b\u4e86\u7279\u5b9a\u7c7b\u578b\u7684\u6570\u636e\u3002ELF\u2f42\u4ef6\u7684\u5404\u79cd\u4fe1\u606f\u548c\u6570\u636e\u90fd\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u8282\u4e2d\uff0c\u5982\u4ee3\u7801\u8282\u5b58\u50a8\u4e86\u53ef\u6267\u2f8f\u4ee3\u7801\uff0c\u6570\u636e\u8282\u5b58\u50a8\u4e86\u5168\u5c40\u53d8\u91cf\u548c\u9759\u6001\u6570\u636e\u7b49\u3002
\u4eceELF\u5f62\u6210\u53ef\u6267\u884c\uff1a<\/p>\n\n\n\n

1.\u5c06\u591a\u4efdc\/c++\u4ee3\u7801\uff0c\u7ffb\u8bd1\u6210\u4e3a\u76ee\u6807\u6587\u4ef6.o+\u52a8\u9759\u6001\u5e93ELF<\/p>\n\n\n\n

2.\u5c06\u591a\u4efd.o\u6587\u4ef6section\u8fdb\u884c\u5408\u5e76<\/p>\n\n\n\n

\u5982\u6709\u9519\u8bef\u6b22\u8fce\u8bc4\u8bba\u533a\u6307\u51fa<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4f46\u662f\u6211\u4eec\u5728\u7f16\u8bd1\u65f6\u53c8\u627e\u4e0d\u5230\u5934\u6587\u4ef6\u4e86\u6240\u4ee5\u6211\u4eec\u9700\u8981\u4f7f\u7528\u5df2\u4e0b\u547d\u4ee4\uff1a g++ usercode.c -o -I .\/li…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-243","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=243"}],"version-history":[{"count":4,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/243\/revisions"}],"predecessor-version":[{"id":854,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/243\/revisions\/854"}],"wp:attachment":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}