{"id":368,"date":"2022-03-30T10:44:09","date_gmt":"2022-03-30T02:44:09","guid":{"rendered":"http:\/\/pareto.fun\/?p=368"},"modified":"2022-03-30T10:45:50","modified_gmt":"2022-03-30T02:45:50","slug":"arm64-v8a-%e6%a0%88%e5%9b%9e%e6%ba%af","status":"publish","type":"post","link":"http:\/\/pareto.fun\/?p=368","title":{"rendered":"arm64-v8a \u6808\u56de\u6eaf"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u57fa\u4e8efp\u6808\u56de\u6eaf<\/h2>\n\n\n\n<p>\u8001\u751f\u5e38\u8c08\uff0c\u65e0\u9700\u591a\u8a00\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u57fa\u4e8e.eh_frame\u6808\u56de\u6eaf<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote has-text-align-left\"><p>https:\/\/developer.aliyun.com\/article\/815064<\/p><cite>\u6808\u56de\u6eaf\u53c2\u8003\u6587\u7ae0<\/cite><\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>https:\/\/refspecs.linuxfoundation.org\/LSB_3.0.0\/LSB-PDA\/LSB-PDA\/ehframechpt.html<\/p><cite>.eh_frame \u76f8\u5173\u8d44\u6599<\/cite><\/blockquote>\n\n\n\n<p>\u636e\u8bf4\u8bb0\u5f55\u4e86\u5bc4\u5b58\u5668\u7684\u53d8\u5316\uff0c\u968f\u4fbf\u627e\u4e2aelf\u7528readelf -wF \u6765\u770b\u4e0b\u91cc\u9762\u662f\u4e2a\u5565\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"960\" height=\"480\" src=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329154332231.png\" alt=\"\" class=\"wp-image-369\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329154332231.png 960w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329154332231-300x150.png 300w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329154332231-768x384.png 768w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p>\u91cd\u65b0\u9009\u62e9\u65b9\u4fbf\u8c03\u8bd5\u7684\u6837\u672c\u3002\u65ad\u70b9\u4e0b\u5728JNI_OnLoad \uff0c\u5148\u770bbt\u7ed9\u51fa\u7684\u5b8c\u6574\u8c03\u7528\u6808\uff0c\u5047\u8bbe\u5d29\u6e83\u70b9\u51fa\u73b00xeb9cc<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"920\" height=\"153\" src=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329202122360.png\" alt=\"\" class=\"wp-image-370\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329202122360.png 920w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329202122360-300x50.png 300w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329202122360-768x128.png 768w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/figure>\n\n\n\n<p> 0xeb9cc \u5404\u5bc4\u5b58\u5668\u503c<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"828\" height=\"240\" src=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329160924307.png\" alt=\"\" class=\"wp-image-371\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329160924307.png 828w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329160924307-300x87.png 300w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329160924307-768x223.png 768w\" sizes=\"(max-width: 828px) 100vw, 828px\" \/><\/figure>\n\n\n\n<p>.eh_frame \u8be5\u4f4d\u7f6e\u6570\u636e<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"960\" height=\"480\" src=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329160346767.png\" alt=\"\" class=\"wp-image-372\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329160346767.png 960w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329160346767-300x150.png 300w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329160346767-768x384.png 768w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p>\u770b\u4e0b\u6709\u6ca1\u6709\u7ffb\u8f66<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"776\" height=\"82\" src=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329172855332.png\" alt=\"\" class=\"wp-image-373\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329172855332.png 776w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329172855332-300x32.png 300w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329172855332-768x81.png 768w\" sizes=\"(max-width: 776px) 100vw, 776px\" \/><figcaption>x29=0x0000007fcbc7b4a0 , CFA = x29 + 16 = 0x0000007fcbc7b4b0 , ra = *(CFA &#8211; 8) = *(0x0000007fcbc7b4a8)=0x00000076ebf03d98<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"41\" src=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329173426614-1024x41.png\" alt=\"\" class=\"wp-image-374\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329173426614-1024x41.png 1024w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329173426614-300x12.png 300w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329173426614-768x31.png 768w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329173426614.png 1331w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>frame #1 \u5bf9\u5e94\u4e0a\u4e86\uff0c\u62ff\u5230libart.so \u7684.eh_frame \u6570\u636e\u3002offset = 0x0000007fcbc7b4a8 &#8211; 0x76ebb87000 = 37 CD98<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"843\" height=\"95\" src=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329153711793.png\" alt=\"\" class=\"wp-image-375\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329153711793.png 843w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329153711793-300x34.png 300w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329153711793-768x87.png 768w\" sizes=\"(max-width: 843px) 100vw, 843px\" \/><\/figure>\n\n\n\n<p>\u90a3\u8fd9\u91cc\u5982\u4f55\u53bb\u5f97\u5230x29 \u5bc4\u5b58\u5668\u5462\uff0c\u56de\u60f3\u4e00\u4e2a\u51fd\u6570(BL)\u8c03\u7528\u53e6\u4e00\u4e2a\u51fd\u6570\u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"582\" height=\"152\" src=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220330010607130.png\" alt=\"\" class=\"wp-image-376\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220330010607130.png 582w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220330010607130-300x78.png 300w\" sizes=\"(max-width: 582px) 100vw, 582px\" \/><figcaption><br>\u5148\u8bbe\u7f6eld\u5bc4\u5b58\u5668\uff0c\u8fdb\u5165\u51fd\u6570\u5185\u90e8\u540e\uff0c\u5c06ld\u5bc4\u5b58\u5668\u548cx29\u5bc4\u5b58\u5668\u4f9d\u6b21\u538b\u6808\uff0c\u5c06x29 \u6307\u5411\u6808\u5e95\uff0c\u90a3\u4e48x29\u4e0a\u7684\u503c\u5c31\u662fcaller\u7684x29.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"679\" height=\"52\" src=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329203834549.png\" alt=\"\" class=\"wp-image-377\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329203834549.png 679w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329203834549-300x23.png 300w\" sizes=\"(max-width: 679px) 100vw, 679px\" \/><\/figure>\n\n\n\n<p>x29 = 0x0000007fcbc7b5e0 ,CFA = x29 + 16 = 0x0000007fcbc7b5f0 ra = *(CFA &#8211; 8) = *(0x0000007fcbc7b5e8) = 0x00000076e1a2b0e4<\/p>\n\n\n\n<p>frame #2\u5bf9\u5e94\u4e0a\u4e86\uff0cOK \u540e\u7eed\u7c7b\u4f3c\u5c31\u4e0d\u7528\u505a\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"920\" height=\"153\" src=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329202122360-1.png\" alt=\"\" class=\"wp-image-378\" srcset=\"http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329202122360-1.png 920w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329202122360-1-300x50.png 300w, http:\/\/pareto.fun\/wp-content\/uploads\/2022\/03\/image-20220329202122360-1-768x128.png 768w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u4e8efp\u6808\u56de\u6eaf \u8001\u751f\u5e38\u8c08\uff0c\u65e0\u9700\u591a\u8a00\u3002 \u57fa\u4e8e.eh_frame\u6808\u56de\u6eaf https:\/\/develope [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[34,33,32],"_links":{"self":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts\/368"}],"collection":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=368"}],"version-history":[{"count":3,"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts\/368\/revisions"}],"predecessor-version":[{"id":382,"href":"http:\/\/pareto.fun\/index.php?rest_route=\/wp\/v2\/posts\/368\/revisions\/382"}],"wp:attachment":[{"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=368"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/pareto.fun\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}