{"rsdb":{"rid":"351839","subhead":"","postdate":"0","aid":"249743","fid":"105","uid":"1","topic":"1","content":"<div id=\"cnblogs_post_body\" class=\"blogpost-body cnblogs-markdown\"> \n <h1 id=\"\u6c47\u7f16\u8bed\u8a00\u521d\u63a2\">\u6c47\u7f16\u8bed\u8a00\u521d\u63a2<\/h1> \n <h2 id=\"x00-\u53c2\u8003\">0x00 \u53c2\u8003<\/h2> \n <ul> \n  <li><p><a title=\"\u962e\u4e00\u5cf0\u7684\u7f51\u7edc\u65e5\u5fd7\u4e4b\u6c47\u7f16\u8bed\u8a00\u5165\u95e8\u6559\u7a0b\">\u962e\u4e00\u5cf0\u7684\u7f51\u7edc\u65e5\u5fd7\u4e4b\u6c47\u7f16\u8bed\u8a00\u5165\u95e8\u6559\u7a0b<\/a><\/p><\/li> \n  <li><p><a title=\"ARM\u6c47\u7f16\u8bed\u8a00\u5b66\u4e60\u7b14\u8bb0\uff08\u4e00\uff09---ARM\u6c47\u7f16\u7684\u7a0b\u5e8f\u7ed3\u6784\">ARM\u6c47\u7f16\u8bed\u8a00\u5b66\u4e60\u7b14\u8bb0\uff08\u4e00\uff09---ARM\u6c47\u7f16\u7684\u7a0b\u5e8f\u7ed3\u6784<\/a><\/p><\/li> \n <\/ul> \n <h2 id=\"x01-\u8981\u70b9\u6982\u8ff0\">0x01 \u8981\u70b9\u6982\u8ff0<\/h2> \n <ul> \n  <li><p>\u6807\u51c6\u5316\u4ee5\u540e\uff0c\u79f0\u4e3a assembly language\uff0c\u7f29\u5199\u4e3a asm\uff0c\u4e2d\u6587\u8bd1\u4e3a\u6c47\u7f16\u8bed\u8a00\u3002<\/p><\/li> \n  <li><p>\u6c47\u7f16\u8bed\u8a00\u662f\u4e8c\u8fdb\u5236\u6307\u4ee4\u7684\u6587\u672c\u5f62\u5f0f\uff0c\u4e0e\u6307\u4ee4\u662f\u4e00\u4e00\u5bf9\u5e94\u7684\u5173\u7cfb\u3002<\/p><\/li> \n  <li><p>\u6bcf\u4e00\u79cd CPU \u7684\u673a\u5668\u6307\u4ee4\u90fd\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u56e0\u6b64\u5bf9\u5e94\u7684\u6c47\u7f16\u8bed\u8a00\u4e5f\u4e0d\u4e00\u6837\u3002<\/p> <p>\u65e9\u671f\u7684 x86 CPU \u76848\u4e2a\u5bc4\u5b58\u5668\u540d\u79f0<br \/> EAX EBX ECX EDX EDI ESI EBP ESP<br \/> ESP \u5bc4\u5b58\u5668\u6709\u7279\u5b9a\u7528\u9014\uff0c\u4fdd\u5b58\u5f53\u524d Stack \u7684\u5730\u5740<\/p><\/li> \n  <li><p>gcc \u5c06\u7a0b\u5e8f\u8f6c\u6210\u6c47\u7f16\u8bed\u8a00\uff1agcc -S example.c<\/p><\/li> \n  <li><p>\u4e00\u822c\u6765\u8bf4\uff0c\u8c03\u7528\u6808\u6709\u591a\u5c11\u5c42\uff08\u5373\u51fd\u6570\u6709\u591a\u5c11\u4e2a\uff09\uff0c\u5c31\u6709\u591a\u5c11\u5e27\u3002<\/p><\/li> \n  <li><p>\u4e00\u53e5\u6c47\u7f16\u8bed\u8a00\u6709\u4e00\u4e2aCPU\u6307\u4ee4\u548c\u96f6\u5230\u591a\u4e2a\u8fd0\u7b97\u5b50\u7ec4\u6210<\/p><\/li> \n <\/ul> \n <h2 id=\"x02-x86-cpu-\u6c47\u7f16\u6307\u4ee4\">0x02 x86 CPU \u6c47\u7f16\u6307\u4ee4<\/h2> \n <h3 id=\"push-\u6307\u4ee4\"><code>push<\/code> \u6307\u4ee4<\/h3> \n <p>\u7528\u4e8e\u5c06\u8fd0\u7b97\u5b50\u653e\u5165Stack\u3002<br \/> \u8be5\u6307\u4ee4\u6709\u4e00\u4e2a\u524d\u7f6e\u64cd\u4f5c\uff1a\u5b83\u4f1a\u5148\u53d6\u51fa ESP \u5bc4\u5b58\u5668\u91cc\u9762\u7684\u5730\u5740\uff0c\u5c06\u5176\u51cf\u53bb\u51e0\u4e2a\u5b57\u8282\uff0c\u7136\u540e\u5c06\u65b0\u5730\u5740\u5199\u5165 ESP \u5bc4\u5b58\u5668\u3002<\/p> \n <h3 id=\"pop-\u6307\u4ee4\"><code>pop<\/code> \u6307\u4ee4<\/h3> \n <p>\u7528\u4e8e\u53d6\u51fa Stack \u6700\u8fd1\u4e00\u4e2a\u5199\u5165\u7684\u503c\uff08\u5373\u6700\u4f4e\u4f4d\u5730\u5740\u7684\u503c\uff09\uff0c\u5e76\u5c06\u8fd9\u4e2a\u503c\u5199\u5165\u8fd0\u7b97\u5b50\u6307\u5b9a\u7684\u4f4d\u7f6e\u3002<br \/> \u8be5\u6307\u4ee4\u8fd8\u4f1a\u5c06 ESP \u5bc4\u5b58\u5668\u91cc\u9762\u7684\u5730\u5740\u52a04\uff0c\u5373\u56de\u65364\u4e2a\u5b57\u8282\u3002<\/p> \n <h3 id=\"mov-\u6307\u4ee4\"><code>mov<\/code> \u6307\u4ee4<\/h3> \n <p>\u7528\u4e8e\u5c06\u4e00\u4e2a\u503c\u5199\u5165\u67d0\u4e2a\u5bc4\u5b58\u5668\u3002<\/p> \n <h3 id=\"add-\u6307\u4ee4\"><code>add<\/code> \u6307\u4ee4<\/h3> \n <p>\u7528\u4e8e\u5c06\u4e24\u4e2a\u8fd0\u7b97\u5b50\u76f8\u52a0\uff0c\u5e76\u5c06\u7ed3\u679c\u5199\u5165\u7b2c\u4e00\u4e2a\u8fd0\u7b97\u5b50\u3002<\/p> \n <h3 id=\"call-\u6307\u4ee4\"><code>call<\/code> \u6307\u4ee4<\/h3> \n <p>\u7528\u6765\u8c03\u7528\u51fd\u6570\u3002<\/p> \n <h3 id=\"ret-\u6307\u4ee4\"><code>ret<\/code> \u6307\u4ee4<\/h3> \n <p>\u7528\u4e8e\u7ec8\u6b62\u5f53\u524d\u51fd\u6570\u7684\u6267\u884c\uff0c\u5c06\u8fd0\u884c\u6743\u4ea4\u8fd8\u7ed9\u4e0a\u5c42\u51fd\u6570\u3002\u4e5f\u5c31\u662f\uff0c\u5f53\u524d\u51fd\u6570\u7684\u5e27\u5c06\u88ab\u56de\u6536\u3002<\/p> \n <h2 id=\"x03-arm-cpu-\u6c47\u7f16\u6307\u4ee4\">0x03 ARM CPU \u6c47\u7f16\u6307\u4ee4<\/h2> \n <h3 id=\"\u5355\u884c\u6ce8\u91ca\u7528-\u8868\u793a\u591a\u884c\u6ce8\u91ca\u7528\">\u5355\u884c\u6ce8\u91ca\u7528 <code>@<\/code> \u8868\u793a\uff0c\u591a\u884c\u6ce8\u91ca\u7528 <code>\/* *\/<\/code><\/h3> \n <h3 id=\"\u6240\u6709\u4ee5\u70b9\u5f00\u5934\u7684\u90fd\u662f\u6c47\u7f16\u5668\u6307\u4ee4\u5c31\u662f\u7ed9\u6c47\u7f16\u5668\u8bfb\u7684\u6307\u4ee4\u4e0d\u5c5e\u4e8earm\u6307\u4ee4\u96c6\">\u6240\u6709\u4ee5\u70b9\u5f00\u5934\u7684\u90fd\u662f\u6c47\u7f16\u5668\u6307\u4ee4\uff0c\u5c31\u662f\u7ed9\u6c47\u7f16\u5668\u8bfb\u7684\u6307\u4ee4\uff0c\u4e0d\u5c5e\u4e8eARM\u6307\u4ee4\u96c6<\/h3> \n <ul> \n  <li><p>.flie:\u6307\u5b9a\u4e86\u6e90\u6587\u4ef6\u540d\u3002\u624b\u5199\u53ef\u5ffd\u7565<\/p><\/li> \n  <li><p>.align:\u6307\u5b9a\u4e86\u4ee3\u7801\u5bf9\u9f50\u65b9\u5f0f\u4f60\u540e\u9762\u8ddf\u7684\u662f2\u7684\u6b21\u65b9<\/p><\/li> \n  <li><p>.ascii:\u58f0\u660e\u5b57\u7b26\u4e32<\/p><\/li> \n  <li><p>.global\uff1a\u58f0\u660e\u5168\u5c40\u7b26\u53f7\u3002\u5168\u5c40\u7b26\u53f7\u662f\u6307\u5728\u672c\u7a0b\u5e8f\u5916\u53ef\u8bbf\u95ee\u7684\u7b26\u53f7<\/p><\/li> \n  <li><p>.type:\u6307\u5b9a\u7b26\u53f7\u7684\u7c7b\u578b\uff0c\u201c.type main,%function\u201d\u8868\u793amain\u4e3a\u51fd\u6570<\/p><\/li> \n  <li><p>.word: \u7528\u6765\u5b58\u653e\u5730\u5740<\/p><\/li> \n  <li><p>.size:\u8bbe\u5b9a\u6307\u5b9a\u7b26\u53f7\u7684\u5927\u5c0f\u3002\u201c.size main,.-main\u201d\u4e2d\u7684\u201d.\u201d\u8868\u793a\u5f53\u524d\u5730\u5740\uff0c\u51cf\u53bbmain\u7b26\u53f7\u7684\u5730\u5740\u4e3a\u6574\u4e2amain\u51fd\u6570\u7684\u5927\u5c0f<\/p><\/li> \n  <li><p>.ident:\u7f16\u8bd1\u5668\u6807\u8bc6\uff0c\u65e0\u5b9e\u9645\u610f\u4e49<\/p><\/li> \n <\/ul> \n <h3 id=\"str\u6307\u4ee4\">STR\u6307\u4ee4<\/h3> \n <p>\u7528\u4e8e\u4ece\u6e90\u5bc4\u5b58\u5668\u4e2d\u5c06\u4e00\u4e2a32\u4f4d\u7684\u5b57\u6570\u636e\u4f20\u9001\u5230\u5b58\u50a8\u5668\u4e2d\u3002<br \/> \u8be5\u6307\u4ee4\u5728\u7a0b\u5e8f\u8bbe\u8ba1\u4e2d\u6bd4\u8f83\u5e38\u7528\uff0c\u5bfb\u5740\u65b9\u5f0f\u7075\u6d3b\u591a\u6837\uff0c\u4f7f\u7528\u65b9\u5f0f\u53ef\u53c2\u8003\u6307\u4ee4LDR\u3002<\/p> \n <ul> \n  <li><p>STR R0, [R1], #8 \uff1a \u5c06R0\u4e2d\u7684\u5b57\u6570\u636e\u5199\u5165\u4ee5R1\u4e3a\u5730\u5740\u7684\u5b58\u50a8\u5668\u4e2d\uff0c\u5e76\u5c06\u65b0\u5730\u5740R1+8\u5199\u5165R1\u3002<\/p><\/li> \n  <li><p>STR R0, [R1, #8] \uff1b \u5c06R0\u4e2d\u7684\u5b57\u6570\u636e\u5199\u5165\u4ee5R1+8\u4e3a\u5730\u5740\u7684\u5b58\u50a8\u5668\u4e2d\u3002<\/p><\/li> \n <\/ul> \n<\/div>","orderid":"0","title":"\u6c47\u7f16\u8bed\u8a00\u521d\u63a2","smalltitle":"","mid":"0","fname":"\u5176\u5b83","special_id":"0","bak_id":"0","info":"0","hits":"26","pages":"1","comments":"0","posttime":"2019-09-03 03:45:16","list":"1567453516","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"<A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%BB%E3%B1%E0%D3%EF%D1%D4' target=_blank>\u6c47\u7f16\u8bed\u8a00<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%B3%F5%CC%BD' target=_blank>\u521d\u63a2<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"120.229.33.54","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"\u6c47\u7f16\u8bed\u8a00\u521d\u63a2","lastview":"1712429768","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}