{"id":477143,"date":"2023-08-09T09:08:09","date_gmt":"2023-08-09T09:08:09","guid":{"rendered":""},"modified":"2023-09-05T11:14:06","modified_gmt":"2023-09-05T11:14:06","slug":"executable-and-link-format-elf","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/executable-and-link-format-elf\/","title":{"rendered":"\u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f (ELF)"},"content":{"rendered":"<p>\u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f (ELF) \u662f\u4e00\u79cd\u7528\u4e8e\u7c7b Unix \u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u53ef\u6267\u884c\u6587\u4ef6\u3001\u76ee\u6807\u4ee3\u7801\u3001\u5171\u4eab\u5e93\u751a\u81f3\u6838\u5fc3\u8f6c\u50a8\u7684\u6587\u4ef6\u683c\u5f0f\u3002\u5b83\u4f5c\u4e3a\u4e00\u79cd\u6807\u51c6\u5316\u683c\u5f0f\uff0c\u901a\u8fc7\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u548c\u52a8\u6001\u94fe\u63a5\u5668\u63d0\u4f9b\u6709\u6548\u52a0\u8f7d\u3001\u94fe\u63a5\u548c\u6267\u884c\u7a0b\u5e8f\u6240\u9700\u7684\u4fe1\u606f\u6765\u4fc3\u8fdb\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u6267\u884c\u3002 ELF \u5df2\u6210\u4e3a\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u7684\u57fa\u672c\u7ec4\u6210\u90e8\u5206\uff0c\u5e76\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e0d\u540c\u5e73\u53f0\u3002<\/p>\n<h2>\u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f\uff08ELF\uff09\u7684\u8d77\u6e90\u5386\u53f2\u53ca\u5176\u9996\u6b21\u63d0\u53ca<\/h2>\n<p>ELF \u683c\u5f0f\u7684\u5f00\u53d1\u662f\u4e3a\u4e86\u53d6\u4ee3 Unix \u7cfb\u7edf\u4e2d\u4f7f\u7528\u7684\u8f83\u65e7\u7684 a.out \u683c\u5f0f\u3002\u5b83\u7684\u8d77\u6e90\u53ef\u4ee5\u8ffd\u6eaf\u5230 20 \u4e16\u7eaa 80 \u5e74\u4ee3\u672b\uff0c\u5176\u76ee\u6807\u662f\u521b\u5efa\u4e00\u79cd\u66f4\u52a0\u901a\u7528\u548c\u53ef\u6269\u5c55\u7684\u6587\u4ef6\u683c\u5f0f\uff0c\u4ee5\u66f4\u597d\u5730\u652f\u6301 Unix \u751f\u6001\u7cfb\u7edf\u4e0d\u65ad\u53d8\u5316\u7684\u9700\u6c42\u3002 ELF \u7684\u6700\u521d\u8ba8\u8bba\u548c\u5f00\u53d1\u59cb\u4e8e\u5de5\u5177\u63a5\u53e3\u6807\u51c6 (TIS) \u59d4\u5458\u4f1a\uff0c\u8be5\u59d4\u5458\u4f1a\u540e\u6765\u6210\u4e3a\u7f8e\u56fd\u56fd\u5bb6\u6807\u51c6\u534f\u4f1a (ANSI) \u7684\u5de5\u5177\u63a5\u53e3\u6807\u51c6 (TIS) \u59d4\u5458\u4f1a\u3002<\/p>\n<p>ELF \u683c\u5f0f\u7684\u7b2c\u4e00\u4e2a\u6b63\u5f0f\u89c4\u8303\u51fa\u73b0\u5728 System V Release 4 (SVR4) Unix \u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u8be5\u64cd\u4f5c\u7cfb\u7edf\u7531 AT&amp;T \u4e8e 1988 \u5e74\u53d1\u5e03\u3002 SVR4 \u89c4\u8303\u5de9\u56fa\u4e86 ELF \u683c\u5f0f\u7684\u7ed3\u6784\u548c\u7528\u6cd5\uff0c\u5e76\u4e14\u5176\u5b9e\u73b0\u5728\u5404\u79cd\u57fa\u4e8e Unix \u7684\u7cfb\u7edf\uff08\u5305\u62ec Linux\uff09\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u3002<\/p>\n<h2>\u6709\u5173\u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f (ELF) \u7684\u8be6\u7ec6\u4fe1\u606f<\/h2>\n<h3>\u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f\uff08ELF\uff09\u7684\u5185\u90e8\u7ed3\u6784<\/h3>\n<p>ELF \u6587\u4ef6\u683c\u5f0f\u7531\u51e0\u4e2a\u90e8\u5206\u7ec4\u6210\uff0c\u6bcf\u4e2a\u90e8\u5206\u90fd\u6709\u7279\u5b9a\u7684\u7528\u9014\uff1a<\/p>\n<ol>\n<li>\n<p><strong>ELF \u5934<\/strong>\uff1a\u6807\u5934\u5305\u542b\u6709\u5173\u6587\u4ef6\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u4f8b\u5982 ELF \u6807\u8bc6\u3001\u673a\u5668\u67b6\u6784\u3001\u5165\u53e3\u70b9\u4ee5\u53ca\u6587\u4ef6\u4e2d\u5176\u4ed6\u91cd\u8981\u90e8\u5206\u7684\u504f\u79fb\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8282\u6807\u9898<\/strong>\uff1a\u8fd9\u4e9b\u6807\u5934\u63d0\u4f9b\u6709\u5173\u6587\u4ef6\u4e2d\u6bcf\u4e2a\u90e8\u5206\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u4ee3\u7801\u3001\u6570\u636e\u3001\u7b26\u53f7\u8868\u548c\u5b57\u7b26\u4e32\u8868\u90e8\u5206\u3002\u6bcf\u4e2a\u90e8\u5206\u8d1f\u8d23\u53ef\u6267\u884c\u6587\u4ef6\u4e2d\u7684\u7279\u5b9a\u529f\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7a0b\u5e8f\u5934<\/strong>\uff1a\u7a0b\u5e8f\u5934\u63cf\u8ff0\u4e86\u7528\u4e8e\u5c06\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u7684\u6bb5\u3002\u8fd9\u4e9b\u6bb5\u5305\u62ec\u4ee3\u7801\u3001\u6570\u636e\u3001\u52a8\u6001\u94fe\u63a5\u4fe1\u606f\u7b49\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7b26\u53f7\u8868<\/strong>\uff1a\u7b26\u53f7\u8868\u5305\u542b\u6709\u5173\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e2d\u5b9a\u4e49\u548c\u5f15\u7528\u7684\u7b26\u53f7\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u51fd\u6570\u540d\u79f0\u548c\u5168\u5c40\u53d8\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b57\u7b26\u4e32\u8868<\/strong>\uff1a\u5b57\u7b26\u4e32\u8868\u5b58\u50a8\u5404\u4e2a\u8282\u4f7f\u7528\u7684\u5b57\u7b26\u4e32\uff0c\u5305\u62ec\u7b26\u53f7\u540d\u79f0\u548c\u8282\u540d\u79f0\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u52a8\u6001\u94fe\u63a5\u4fe1\u606f<\/strong>\uff1a\u6b64\u90e8\u5206\u4fdd\u5b58\u52a8\u6001\u94fe\u63a5\u6240\u9700\u7684\u6570\u636e\uff0c\u4f7f\u5171\u4eab\u5e93\u80fd\u591f\u5728\u8fd0\u884c\u65f6\u52a0\u8f7d\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f (ELF) \u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>\u5f53\u6267\u884c ELF \u4e8c\u8fdb\u5236\u6587\u4ef6\u65f6\uff0c\u64cd\u4f5c\u7cfb\u7edf\u7684\u52a0\u8f7d\u7a0b\u5e8f\u4f1a\u8bfb\u53d6 ELF \u6807\u5934\u4ee5\u786e\u5b9a\u6587\u4ef6\u7684\u7c7b\u578b\uff08\u53ef\u6267\u884c\u6587\u4ef6\u3001\u5171\u4eab\u5e93\u7b49\uff09\u548c\u5165\u53e3\u70b9\u3002\u7136\u540e\uff0c\u52a0\u8f7d\u5668\u5c06\u76f8\u5173\u7a0b\u5e8f\u6bb5\u6620\u5c04\u5230\u5185\u5b58\u4e2d\uff0c\u89e3\u51b3\u4efb\u4f55\u52a8\u6001\u94fe\u63a5\u4f9d\u8d56\u6027\u5e76\u521d\u59cb\u5316\u7a0b\u5e8f\u3002\u52a0\u8f7d\u540e\uff0c\u5c06\u8c03\u7528\u5165\u53e3\u70b9\uff0c\u7136\u540e\u7a0b\u5e8f\u5f00\u59cb\u6267\u884c\u3002<\/p>\n<h2>\u53ef\u6267\u884c\u548c\u94fe\u63a5\u683c\u5f0f\uff08ELF\uff09\u7684\u5173\u952e\u7279\u5f81\u5206\u6790<\/h2>\n<ul>\n<li>\n<p><strong>\u7075\u6d3b\u6027<\/strong>\uff1aELF \u7075\u6d3b\u7684\u8bbe\u8ba1\u4f7f\u5176\u80fd\u591f\u652f\u6301\u5404\u79cd\u673a\u5668\u67b6\u6784\u548c\u4e0d\u540c\u7c7b\u578b\u7684\u6587\u4ef6\uff0c\u4f7f\u5176\u5177\u6709\u4fbf\u643a\u6027\u548c\u591a\u529f\u80fd\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u52a8\u6001\u94fe\u63a5<\/strong>\uff1aELF\u652f\u6301\u52a8\u6001\u94fe\u63a5\uff0c\u5141\u8bb8\u591a\u4e2a\u7a0b\u5e8f\u5171\u4eab\u516c\u5171\u5e93\uff0c\u51cf\u5c11\u5185\u5b58\u6d88\u8017\uff0c\u65b9\u4fbf\u4ee3\u7801\u91cd\u7528\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7b26\u53f7\u7ba1\u7406<\/strong>\uff1aELF \u6587\u4ef6\u4e2d\u7684\u7b26\u53f7\u8868\u6709\u52a9\u4e8e\u8c03\u8bd5\u5e76\u6709\u52a9\u4e8e\u5728\u94fe\u63a5\u671f\u95f4\u89e3\u6790\u5916\u90e8\u5f15\u7528\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5206\u6bb5\u7ed3\u6784<\/strong>\uff1aELF \u5c06\u6587\u4ef6\u5206\u6bb5\u4e3a\u6807\u5934\u548c\u90e8\u5206\uff0c\u4ece\u800c\u53ef\u4ee5\u4ec5\u5c06\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u5fc5\u8981\u90e8\u5206\u6709\u6548\u5730\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f (ELF) \u7684\u7c7b\u578b<\/h2>\n<p>ELF \u6587\u4ef6\u4e3b\u8981\u5206\u4e3a\u4e09\u79cd\u7c7b\u578b\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u53ef\u6267\u884c\u6587\u4ef6\uff08ET_EXEC\uff09<\/strong>\uff1a\u8fd9\u4e9b\u6587\u4ef6\u5305\u542b\u5b8c\u5168\u94fe\u63a5\u7684\u53ef\u6267\u884c\u4ee3\u7801\u3002\u5b83\u4eec\u662f\u53ef\u4ee5\u7531\u64cd\u4f5c\u7cfb\u7edf\u76f4\u63a5\u6267\u884c\u7684\u72ec\u7acb\u7a0b\u5e8f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5171\u4eab\u5bf9\u8c61\uff08ET_DYN\uff09<\/strong>\uff1a\u8fd9\u4e9b\u6587\u4ef6\u662f\u5171\u4eab\u5e93\uff0c\u5f53\u7a0b\u5e8f\u9700\u8981\u5b83\u4eec\u65f6\uff0c\u5b83\u4eec\u4f1a\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u5e76\u5728\u8fd0\u884c\u65f6\u94fe\u63a5\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u76ee\u6807\u6587\u4ef6 (ET_REL)<\/strong>\uff1a\u8fd9\u4e9b\u6587\u4ef6\u662f\u6e90\u4ee3\u7801\u7684\u4e2d\u95f4\u8868\u793a\uff0c\u5728\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u521b\u5efa\uff0c\u5e76\u7528\u4e8e\u94fe\u63a5\u4ee5\u751f\u6210\u6700\u7ec8\u7684\u53ef\u6267\u884c\u6587\u4ef6\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u4e0b\u8868\u603b\u7ed3\u4e86 ELF \u6587\u4ef6\u7684\u7c7b\u578b\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7c7b\u578b<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u53ef\u6267\u884c\u6587\u4ef6<\/td>\n<td>\u5b8c\u5168\u94fe\u63a5\u4e14\u53ef\u6267\u884c\u7684\u4ee3\u7801\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5171\u4eab\u5bf9\u8c61<\/td>\n<td>\u5728\u8fd0\u884c\u65f6\u52a0\u8f7d\u548c\u94fe\u63a5\u7684\u5e93\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u76ee\u6807\u6587\u4ef6<\/td>\n<td>\u94fe\u63a5\u671f\u95f4\u7684\u4e2d\u95f4\u8868\u793a\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f\uff08ELF\uff09\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u4e2d\u51fa\u73b0\u7684\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848<\/h2>\n<p>ELF \u7684\u4e3b\u8981\u7528\u9014\u662f\u5728\u7c7b Unix \u64cd\u4f5c\u7cfb\u7edf\u4e2d\u6267\u884c\u548c\u7ba1\u7406\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u5b83\u4e3a\u53ef\u6267\u884c\u6587\u4ef6\u3001\u5171\u4eab\u5e93\u548c\u76ee\u6807\u4ee3\u7801\u63d0\u4f9b\u4e86\u6807\u51c6\u5316\u683c\u5f0f\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u8de8\u4e0d\u540c\u5e73\u53f0\u521b\u5efa\u3001\u5206\u53d1\u548c\u8fd0\u884c\u8f6f\u4ef6\u3002<\/p>\n<p>\u7136\u800c\uff0c\u4f7f\u7528 ELF \u6587\u4ef6\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u6311\u6218\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u517c\u5bb9\u6027<\/strong>\uff1aELF \u6587\u4ef6\u5728\u4e0d\u540c\u5e73\u53f0\u6216\u5904\u7406\u5668\u67b6\u6784\u4e4b\u95f4\u79fb\u52a8\u65f6\u53ef\u80fd\u4f1a\u9762\u4e34\u517c\u5bb9\u6027\u95ee\u9898\u3002\u4ea4\u53c9\u7f16\u8bd1\u548c\u201cqemu\u201d\u7b49\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u7f13\u89e3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b89\u5168<\/strong>\uff1a\u52a8\u6001\u94fe\u63a5\u867d\u7136\u6709\u5229\u4e8e\u4ee3\u7801\u91cd\u7528\uff0c\u4f46\u5982\u679c\u5904\u7406\u4e0d\u5f53\u4e5f\u4f1a\u5e26\u6765\u5b89\u5168\u98ce\u9669\u3002\u5171\u4eab\u5e93\u4e2d\u7684\u6f0f\u6d1e\u53ef\u80fd\u4f1a\u5f71\u54cd\u591a\u4e2a\u7a0b\u5e8f\u3002\u9891\u7e41\u7684\u5b89\u5168\u66f4\u65b0\u548c\u5f3a\u5927\u7684\u4ee3\u7801\u5ba1\u67e5\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8c03\u8bd5<\/strong>\uff1a\u8c03\u8bd5 ELF \u4e8c\u8fdb\u5236\u6587\u4ef6\u53ef\u80fd\u5f88\u590d\u6742\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5171\u4eab\u5e93\u548c\u5265\u79bb\u7b26\u53f7\u65f6\u3002\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u4f7f\u7528\u201cgdb\u201d\u7b49\u5de5\u5177\u5e76\u786e\u4fdd\u5728\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u5305\u542b\u6b63\u786e\u7684\u8c03\u8bd5\u7b26\u53f7\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u4e0e\u540c\u7c7b\u672f\u8bed\u7684\u5176\u4ed6\u6bd4\u8f83<\/h2>\n<p>\u4ee5\u4e0b\u662f ELF \u4e0e\u5176\u4ed6\u4e24\u79cd\u5e38\u89c1\u6587\u4ef6\u683c\u5f0f\u7684\u6bd4\u8f83\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u9762<\/th>\n<th>\u6781\u4f4e\u9891<\/th>\n<th>COFF\uff08\u901a\u7528\u76ee\u6807\u6587\u4ef6\u683c\u5f0f\uff09<\/th>\n<th>Mach-O\uff08\u9a6c\u8d6b\u5bf9\u8c61\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8d77\u6e90<\/td>\n<td>\u57fa\u4e8e Unix \u7684\u7cfb\u7edf<\/td>\n<td>\u5fae\u8f6f<\/td>\n<td>macOS \u548c iOS<\/td>\n<\/tr>\n<tr>\n<td>\u7b26\u53f7\u7ba1\u7406<\/td>\n<td>\u662f\u7684<\/td>\n<td>\u662f\u7684<\/td>\n<td>\u662f\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u52a8\u6001\u94fe\u63a5<\/td>\n<td>\u662f\u7684<\/td>\n<td>\u662f\u7684<\/td>\n<td>\u662f\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u673a\u5668\u67b6\u6784<\/td>\n<td>\u591a\u79cd\u7684<\/td>\n<td>\u591a\u79cd\u7684<\/td>\n<td>\u7279\u5b9a\u4e8eApple\u5e73\u53f0<\/td>\n<\/tr>\n<tr>\n<td>\u6d41\u884c\u7528\u6cd5<\/td>\n<td>Linux\u3001Unix\u3001BSD\u3001macOS<\/td>\n<td>Windows\u3001Xbox\u3001AIX<\/td>\n<td>macOS\u3001iOS\u3001watchOS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e0e\u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f (ELF) \u76f8\u5173\u7684\u672a\u6765\u524d\u666f\u548c\u6280\u672f<\/h2>\n<p>\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0cELF \u5f88\u53ef\u80fd\u4ecd\u7136\u662f\u8f6f\u4ef6\u751f\u6001\u7cfb\u7edf\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\uff0c\u7279\u522b\u662f\u5728\u7c7b Unix \u64cd\u4f5c\u7cfb\u7edf\u53ca\u5176\u884d\u751f\u7cfb\u7edf\u4e2d\u3002\u7136\u800c\uff0c\u4e00\u4e9b\u6f5c\u5728\u7684\u53d1\u5c55\u53ef\u80fd\u4f1a\u5f71\u54cd\u5176\u672a\u6765\u7684\u7528\u9014\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5b89\u5168\u589e\u5f3a<\/strong>\uff1a\u968f\u7740\u5bf9\u5b89\u5168\u6027\u7684\u65e5\u76ca\u5173\u6ce8\uff0cELF \u53ef\u80fd\u4f1a\u5f15\u5165\u65b0\u529f\u80fd\u6765\u9632\u6b62\u5e38\u89c1\u6f0f\u6d1e\u5e76\u589e\u5f3a\u5176\u5bf9\u6f0f\u6d1e\u7684\u62b5\u6297\u529b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6027\u80fd\u4f18\u5316<\/strong>\uff1a\u6301\u7eed\u52aa\u529b\u63d0\u9ad8\u6027\u80fd\u548c\u51cf\u5c11\u5f00\u9500\u53ef\u80fd\u4f1a\u5bfc\u81f4\u52a8\u6001\u94fe\u63a5\u8fc7\u7a0b\u548c ELF \u6587\u4ef6\u52a0\u8f7d\u673a\u5236\u7684\u589e\u5f3a\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5982\u4f55\u5c06\u4ee3\u7406\u670d\u52a1\u5668\u4e0e\u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f (ELF) \u5173\u8054<\/h2>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\uff08\u5982 OneProxy \u63d0\u4f9b\u7684\u4ee3\u7406\u670d\u52a1\u5668\uff09\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u95f4\u63a5\u4e0e ELF \u6587\u4ef6\u4ea4\u4e92\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5185\u5bb9\u4ea4\u4ed8<\/strong>\uff1a\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u7f13\u5b58ELF\u6587\u4ef6\uff0c\u51cf\u8f7b\u540e\u7aef\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\uff0c\u63d0\u9ad8\u7528\u6237\u7684\u4f20\u9001\u901f\u5ea6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b89\u5168\u548c\u8fc7\u6ee4<\/strong>\uff1a\u4ee3\u7406\u53ef\u4ee5\u5206\u6790\u901a\u8fc7\u7f51\u7edc\u4f20\u8f93\u7684 ELF \u6587\u4ef6\u662f\u5426\u5b58\u5728\u5b89\u5168\u5a01\u80c1\uff0c\u8fc7\u6ee4\u6389\u6f5c\u5728\u7684\u6709\u5bb3\u5185\u5bb9\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8d1f\u8f7d\u5747\u8861<\/strong>\uff1a\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u8de8\u591a\u4e2a\u670d\u52a1\u5668\u5206\u53d1\u5bf9 ELF \u6587\u4ef6\u7684\u8bf7\u6c42\uff0c\u4ee5\u4f18\u5316\u8d44\u6e90\u5229\u7528\u7387\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<p>\u6709\u5173\u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f (ELF) \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u6d4f\u89c8\u4ee5\u4e0b\u8d44\u6e90\uff1a<\/p>\n<ol>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Executable_and_Link_Format\" target=\"_new\" rel=\"noopener nofollow\">\u94fe\u63a5 1\uff1a\u7ef4\u57fa\u767e\u79d1 \u2013 \u53ef\u6267\u884c\u6587\u4ef6\u548c\u94fe\u63a5\u683c\u5f0f<\/a><\/li>\n<li><a href=\"https:\/\/refspecs.linuxbase.org\/elf\/tis\/\" target=\"_new\" rel=\"noopener nofollow\">\u94fe\u63a52\uff1a\u5de5\u5177\u63a5\u53e3\u6807\u51c6\uff08TIS\uff09\u59d4\u5458\u4f1a<\/a><\/li>\n<\/ol>\n<p>\u8bf7\u8bb0\u4f4f\uff0c\u7406\u89e3 ELF \u5bf9\u4e8e\u4f7f\u7528\u7c7b Unix \u7cfb\u7edf\u7684\u5f00\u53d1\u4eba\u5458\u548c\u7cfb\u7edf\u7ba1\u7406\u5458\u81f3\u5173\u91cd\u8981\u3002\u5b83\u7684\u7ed3\u6784\u548c\u529f\u80fd\u6784\u6210\u4e86\u73b0\u4ee3\u8f6f\u4ef6\u751f\u6001\u7cfb\u7edf\u7684\u652f\u67f1\uff0c\u4f7f\u5176\u6210\u4e3a\u4efb\u4f55\u53c2\u4e0e\u8f6f\u4ef6\u5f00\u53d1\u6216\u7cfb\u7edf\u7ba1\u7406\u7684\u4eba\u90fd\u503c\u5f97\u6df1\u5165\u7814\u7a76\u7684\u4e3b\u9898\u3002<\/p>","protected":false},"featured_media":468348,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477143","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Executable and Link Format (ELF): A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is Executable and Link Format (ELF)?","answer":"<p>Executable and Link Format (ELF) is a file format used for executables, object code, shared libraries, and core dumps on Unix-like operating systems. It provides the necessary information for the operating system and dynamic linker to load, link, and execute programs efficiently.<\/p>"},{"question":"How did ELF originate?","answer":"<p>The ELF format was developed in the late 1980s to replace the older a.out format used in Unix systems. Its first formal specification appeared in System V Release 4 (SVR4) Unix operating system, released in 1988 by AT&amp;T.<\/p>"},{"question":"What does the internal structure of ELF entail?","answer":"<p>The internal structure of ELF consists of an ELF header, section headers, program headers, symbol table, string table, and dynamic linking information. Each section serves a specific purpose, allowing for efficient loading and execution of binaries.<\/p>"},{"question":"How does ELF work?","answer":"<p>When an ELF binary is executed, the operating system's loader reads the ELF header to determine the file type and entry point. It then maps the relevant program segments into memory, resolving dynamic linking dependencies, and initializes the program for execution.<\/p>"},{"question":"What are the key features of ELF?","answer":"<p>ELF's key features include flexibility in supporting various architectures, dynamic linking for shared libraries, symbol management for debugging, and its segmented structure for efficient loading.<\/p>"},{"question":"What types of ELF files exist?","answer":"<p>There are three main types of ELF files: Executable (ET_EXEC), Shared Object (ET_DYN), and Object File (ET_REL).<\/p>"},{"question":"How is ELF used and what are the associated challenges?","answer":"<p>ELF is primarily used for executing and managing binary files on Unix-like systems. Challenges may include compatibility issues, security concerns related to dynamic linking, and complexities in debugging.<\/p>"},{"question":"How does ELF compare with other file formats?","answer":"<p>ELF is commonly compared with COFF and Mach-O formats. Each format is associated with specific operating systems and machine architectures.<\/p>"},{"question":"What does the future hold for ELF?","answer":"<p>The future of ELF may involve security enhancements and performance optimizations to keep up with evolving technology and industry needs.<\/p>"},{"question":"How can proxy servers be associated with ELF?","answer":"<p>Proxy servers, like OneProxy, can interact with ELF files by caching content, ensuring security and filtering, and optimizing load balancing for improved resource utilization.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/477143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/477143\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/468348"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=477143"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}