{"id":621,"date":"2023-10-28T08:45:04","date_gmt":"2023-10-28T00:45:04","guid":{"rendered":"https:\/\/wp.minicoda.com\/?p=621"},"modified":"2023-10-28T08:50:35","modified_gmt":"2023-10-28T00:50:35","slug":"%e6%95%b0%e7%bb%84%e5%92%8c%e6%8c%87%e9%92%88","status":"publish","type":"post","link":"https:\/\/wp.minicoda.com\/index.php\/%e6%95%b0%e7%bb%84%e5%92%8c%e6%8c%87%e9%92%88\/","title":{"rendered":"\u6570\u7ec4\u548c\u6307\u9488"},"content":{"rendered":"\n<p>  \u867d\u7136\u6709\u5355\u72ec\u7684\u6587\u7ae0\u63cf\u8ff0\u6570\u7ec4\u548c\u6307\u9488\uff0c\u4f46\u4e8c\u8005\u7684\u5173\u7cfb\u5b9e\u5728\u503c\u5f97\u518d\u5199\u4e00\u7bc7\u6587\u7ae0\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f16\u8bd1\u5668\u7684\u89c6\u89d2<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e38\u5e38\u770b\u5230\u4e66\u7c4d\u4e0a\u8fd9\u4e48\u5199\"C\/C++\u6570\u7ec4\u7684\u672c\u8d28\u662f\u6307\u9488\"\uff0c\u8fd9\u6ca1\u6709\u95ee\u9898\u3002\u7f16\u8bd1\u5668\u770b\u5230\u6570\u7ec4\u540d\uff0c\u4e5f\u5c31\u662f\u6570\u7ec4\u9996\u5730\u5740\uff0c\u5373\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u6307\u9488\u3002\u5bf9\u4e8e\u8d85\u8fc7\u4e8c\u7ef4\u7684X\u7ef4\u6570\u7ec4\uff0c\u6982\u5ff5\u66f4\u591a\uff0c\u4e0d\u4ec5\u662f\u7b2c\u4e00\u4e2a\u5143\u7d20\u6307\u9488\uff0c\u4e5f\u662fX-1\u7ef4\u6570\u7ec4\u7684\u6307\u9488\u3002<\/li>\n\n\n\n<li>\u6570\u7ec4\u7684sizeof: \u6570\u7ec4int arr[10]\u5360\u7528\u7a7a\u95f4sizeof(arr)\u4e0d\u662fsizeof(int *), \u56e0\u4e3a\u7f16\u8bd1\u5668\u77e5\u9053arr\u7684\u5927\u5c0f\uff0c\u6b64\u65f6\u5f53\u505a\u539f\u59cb\u6570\u7ec4\u3002\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u4e8eVLA\u53ef\u53d8\u6570\u7ec4\uff0c\u7f16\u8bd1\u5668\u5f88\u806a\u660e\u5730\u6839\u636e\u5916\u90e8\u4f20\u5165\u7684\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u4e58\u4ee5\u6bcf\u4e2a\u5143\u7d20\u5927\u5c0f, \u4f8b\u5982int\u7c7b\u578b\u6570\u7ec4\uff0crax\u5bc4\u5b58\u5668\u662f\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\uff0c\u5de6\u79fb2\u4f4d\u6307\u4ee4 shl $0x2,%rax \u83b7\u5f97\u6574\u4e2a\u6570\u7ec4\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7528extern\u6307\u9488\u5f62\u5f0f\u5f15\u7528\u6570\u7ec4: \n<ul class=\"wp-block-list\">\n<li>\u5b9a\u4e49\u4e86\u6570\u7ec4\u53d8\u91cfint a[10], \u5916\u90e8\u6587\u4ef6\u5f15\u7528\u5b83\u4e0d\u80fd\u7528extern int *a, \u5426\u5219\u6b64\u5904\u7684a\u4ee3\u8868a[0], \u800c\u975e\u6570\u7ec4a\u5730\u5740\uff0c\u8fd9\u4e0d\u662f\u672c\u610f\u3002\u4e0d\u8bba\u662fVS2019\u8fd8\u662fGCC, \u90fd\u662f\u8fd9\u4e2a\u7ed3\u679c\u3002<\/li>\n\n\n\n<li>\u53ef\u4ee5\u7528extern int arr[]\u5f15\u7528\u5916\u90e8\u6570\u7ec4\uff0c\u8fd9\u6837\u624d\u4f1a\u7b26\u5408\u9884\u671f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u867d\u7136\u6709\u5355\u72ec\u7684\u6587\u7ae0\u63cf\u8ff0\u6570\u7ec4\u548c\u6307\u9488\uff0c\u4f46\u4e8c\u8005\u7684\u5173\u7cfb\u5b9e\u5728\u503c\u5f97\u518d\u5199\u4e00\u7bc7\u6587\u7ae0\u3002 \u7f16\u8bd1\u5668\u7684\u89c6\u89d2<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[65,158,9],"class_list":["post-621","post","type-post","status-publish","format-standard","hentry","category-8","tag-65","tag-158","tag-9"],"views":42,"_links":{"self":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts\/621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/comments?post=621"}],"version-history":[{"count":3,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts\/621\/revisions"}],"predecessor-version":[{"id":624,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts\/621\/revisions\/624"}],"wp:attachment":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/media?parent=621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/categories?post=621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/tags?post=621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}