\u4f7f\u7528readelf\u5de5\u5177\uff0c\u67e5\u770b:1.\u53ef\u6267\u884c\u7a0b\u5e8f\u4f9d\u8d56\u54ea\u4e9b\u52a8\u6001\u5e93;2.\u52a8\u6001\u5e93\u4f9d\u8d56\u54ea\u4e9b\u52a8\u6001\u5e93
\n\u4f8b\u5982\uff1a
\nreadelf -a xxx|grep library
\nmips-linux-gnu-readelf -a xxx|grep library<\/p>\n
\u4f7f\u7528nm\u5de5\u5177\uff0c\u67e5\u770b\u9759\u6001\u5e93\u548c\u52a8\u6001\u5e93\u4e2d\u6709\u90a3\u4e9b\u51fd\u6570\u540d:
\n\uff08T\u7c7b\u8868\u793a\u51fd\u6570\u662f\u5f53\u524d\u5e93\u4e2d\u5b9a\u4e49\u7684\uff0cU\u7c7b\u8868\u793a\u51fd\u6570\u662f\u88ab\u8c03\u7528\u7684\uff0c\u5728\u5176\u5b83\u5e93\u4e2d\u5b9a\u4e49\u7684\uff0cW\u7c7b\u662f\u5f53\u524d\u5e93\u4e2d\u5b9a\u4e49\uff0c\u88ab\u5176\u5b83\u5e93\u4e2d\u7684\u51fd\u6570\u8986\u76d6\uff09\u3002
\n\u6709\u65f6\u5019\u53ef\u80fd\u9700\u8981\u67e5\u770b\u4e00\u4e2a\u5e93\u4e2d\u5230\u5e95\u6709\u54ea\u4e9b\u51fd\u6570\uff0cnm\u5de5\u5177\u53ef\u4ee5\u6253\u5370\u51fa\u5e93\u4e2d\u7684\u6d89\u53ca\u5230\u7684\u6240\u6709\u7b26\u53f7\uff0c\u8fd9\u91cc\u7684\u5e93\u65e2\u53ef\u4ee5\u662f\u9759\u6001\u7684\u4e5f\u53ef\u4ee5\u662f\u52a8\u6001\u7684\u3002
\nnm\u5217\u51fa\u7684\u7b26\u53f7\u6709\u5f88\u591a\uff0c \u5e38\u89c1\u7684\u6709\u4e09\u79cd:
\n\u4e00\u79cd\u662f\u5728\u5e93\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\uff0c\u7528T\u8868\u793a\uff0c\u8fd9\u662f\u6700\u5e38\u89c1\u7684\uff1b
\n\u4e00\u79cd\u662f\u5728\u5e93\u4e2d\u88ab\u8c03\u7528\uff0c\u4f46\u5e76\u6ca1\u6709\u5728\u5e93\u4e2d\u5b9a\u4e49(\u8868\u660e\u9700\u8981\u5176\u4ed6\u5e93\u652f\u6301)\uff0c\u7528U\u8868\u793a\uff1b
\n\u53e6\u5916\u4e00\u79cd\u662f\u6240\u8c13\u7684\u201c\u5f31\u6001\u201d\u7b26\u53f7\uff0c\u5b83\u4eec\u867d\u7136\u5728\u5e93\u4e2d\u88ab\u5b9a\u4e49\uff0c\u4f46\u662f\u53ef\u80fd\u88ab\u5176\u4ed6\u5e93\u4e2d\u7684\u540c\u540d\u7b26\u53f7\u8986\u76d6\uff0c\u7528W\u8868\u793a\u3002
\n\u4f8b\u5982\uff0c\u5047\u8bbe\u5f00\u53d1\u8005\u5e0c\u671b\u77e5\u9053hello\u5e93\u4e2d\u662f\u5426\u5f15\u7528\u4e86printf():
\n$nm libhello.so | grep printf <\/p>\n","protected":false},"excerpt":{"rendered":"
\u4f7f\u7528readelf\u5de5\u5177\uff0c\u67e5\u770b:1.\u53ef\u6267\u884c\u7a0b\u5e8f\u4f9d\u8d56\u54ea\u4e9b\u52a8\u6001\u5e93;2.\u52a8\u6001\u5e93\u4f9d\u8d56\u54ea\u4e9b\u52a8\u6001\u5e93 \u4f8b\u5982\uff1a readelf […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2559","post","type-post","status-publish","format-standard","hentry","category-embedded"],"_links":{"self":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/2559","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2559"}],"version-history":[{"count":1,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/2559\/revisions"}],"predecessor-version":[{"id":2560,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/2559\/revisions\/2560"}],"wp:attachment":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2559"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}