{"id":45221,"date":"2022-11-13T21:57:40","date_gmt":"2024-03-11T11:49:10","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45221-2\/"},"modified":"2024-04-29T00:32:10","modified_gmt":"2024-04-28T16:32:10","slug":"45221-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45221-2\/","title":{"rendered":""},"content":{"rendered":"

\u306f\u3058\u3081\u306b<\/h1>\n

\u3061\u3087\u3093\u307c\u3067\u30cf\u30de\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u3001\u540c\u3058\u904e\u3061\u3092\u4ed6\u306e\u4eba\u304c\u7e70\u308a\u8fd4\u3055\u306a\u3044\u305f\u3081\u306e\u60c5\u5831\u3067\u3059\u3002
\nRust\u306e\u30c4\u30fc\u30eb\u30c1\u30a7\u30fc\u30f3\u304c1\u30f6\u6708\u5206\u53e4\u304b\u3063\u305f\u305b\u3044\u3067\u3001\u6700\u65b0\u6a5f\u80fd\u3067\u3042\u308bpanic_implementation\u304c\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u306a\u304b\u3063\u305f\u3001\u3068\u3044\u3046\u5185\u5bb9\u3067\u3059\u3002<\/p>\n

Blog OS<\/h1>\n

Writing an OS in Rust (Second Edition)<\/p>\n

Rust\u3067\u5c0f\u3055\u306aOS\u3092\u4f5c\u308b\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u3059\u3002OS\u306e\u540d\u524d\u304cBlog OS\u3067\u3059\u3002
\n2nd Edition\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u7d99\u7d9a\u7684\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u307e\u3059(2018\u5e747\u6708\u73fe\u5728)\u3002<\/p>\n

\u3053\u3046\u3044\u3046\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u3042\u308b\u304a\u304b\u3052\u3067\u3001\u79c1\u306e\u3088\u3046\u306a\u51e1\u4eba\u3067\u3082Rust\u3067OS\u4f5c\u3063\u3066\u307f\u3088\u3046\uff01\u3068\u306a\u308c\u308b\u306e\u3067\u3001\u672c\u5f53\u306b\u3042\u308a\u304c\u305f\u3044\u3067\u3059\u3002<\/p>\n

\u767a\u751f\u3057\u305f\u554f\u984c<\/h1>\n

A Freestanding Rust Binary<\/p>\n

\u6700\u521d\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3001\u30d9\u30a2\u30e1\u30bf\u30eb\u3067Rust\u30d0\u30a4\u30ca\u30ea\u3092\u4f5c\u308b\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u3059\u3002
\n\u3053\u3053\u3067\u3001panic\u6642\u306e\u30cf\u30f3\u30c9\u30e9\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n

\/\/ in main.rs<\/span>\r\n\r\nuse<\/span> core<\/span>::<\/span>panic<\/span>::<\/span>PanicInfo<\/span>;<\/span>\r\n\r\n\/\/\/ This function is called on panic.<\/span>\r\n#[panic_implementation]<\/span>\r\n#[no_mangle]<\/span>\r\npub<\/span> fn<\/span> panic<\/span>(<\/span>_<\/span>info<\/span>:<\/span> &<\/span>PanicInfo<\/span>)<\/span> -><\/span> !<\/span> {<\/span>\r\n    loop<\/span> {}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4e0a\u8a18\u30b3\u30fc\u30c9\u3092nightly Rust\u3067\u30d3\u30eb\u30c9\u3057\u305f\u3068\u3053\u308d\u3001panic_implementation\u304cunstable\u3068\u306a\u308b\u306f\u305a\u304c\u3001unknown\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u529b\u3055\u308c\u307e\u3057\u305f\u3002
\nA Freestanding Rust Binary\u306e\u8a18\u4e8b\u304c\u66f8\u304b\u308c\u305f\u306e\u304c\u30012018\u5e742\u6708\u306e\u3088\u3046\u3060\u3063\u305f\u306e\u3067(\u30da\u30fc\u30b8\u6700\u4e0a\u90e8\u60c5\u5831)\u30012018\u5e745\u6708\u306enightly Rust\u3067\u30d3\u30eb\u30c9\u3067\u304d\u306a\u3044\u306e\u306f\u306a\u3093\u3067\u3060\uff1f\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\u8abf\u67fb<\/h1>\n
\u8a18\u4e8b\u306eBlame\u3092\u8fbf\u308b\u3068\u3001panic_implementation\u306e\u90e8\u5206\u306f\u30012018\u5e746\u67084\u65e5\u306b\u4fee\u6b63\u304c\u5165\u3063\u3066\u3044\u307e\u3057\u305f\u3002
\n\u30e0\u30e0\u3063\u3068\u601d\u3063\u3066\u3001Rust\u306e\u30c4\u30fc\u30eb\u30c1\u30a7\u30fc\u30f3\u3092\u66f4\u65b0\u3057\u305f\u3068\u3053\u308d\u3001\u7121\u4e8b\u3001\u30d3\u30eb\u30c9\u304c\u901a\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
$ rustup update\r\n$ rustup override add nightly.\r\n$ rustc --version\r\nrustc 1.28.0-nightly (e3bf634e0 2018-06-28)\r\n<\/code><\/pre>\n
\u3046\u308d\u899a\u3048\u3067\u3059\u304c\u3001\u30d3\u30eb\u30c9\u901a\u3089\u306a\u304b\u3063\u305f\u6642\u306f\u30011.27.0-nightly\u3060\u3063\u305f\u306f\u305a\u3067\u3059\u3002
\n(\u30a8\u30e9\u30fc\u30ed\u30b0\u6b8b\u3057\u3066\u306a\u304b\u3063\u305f\u3002\u4e0d\u899a\u2026)<\/p>\n
panic_implementation<\/h2>\n
\u305d\u3082\u305d\u3082panic_implementation\u3068\u306f\u306a\u3093\u305e\u3084\uff1f\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3082\u30012018\u5e746\u67084\u65e5\u306b\u8a00\u53ca\u304c\u3042\u308a\u3001<\/p>\n
As of the latest nightly this language item has been removed in favor of the #[panic_implementation] attribute which offers a type checked way of declaring the behavior of panic!.<\/p><\/blockquote>\n
\u3053\u306e\u6642\u70b9\u3067\u6700\u65b0\u306enightly Rust\u306bpanic_implementation\u304c\u5165\u3063\u305f\u3067\u3042\u308d\u3046\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u3053\u308c\u306fbreaking-change\u3067\u3042\u308b\u305f\u3081\u3001\u3053\u308c\u307e\u3067panic_fmt\u3067\u66f8\u304b\u308c\u3066\u3044\u305fcrate\u306f\u4fee\u6b63\u304c\u5fc5\u8981\u306b\u306a\u308b\u3001\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n
\u73fe\u6642\u70b9\u3067\u306f\u3001\u30d9\u30a2\u30e1\u30bf\u30eb\u3067Rust\u3092\u52d5\u4f5c\u3055\u305b\u308b\u8a18\u4e8b\u306e\u591a\u304f\u304cpanic_fmt\u3092\u5229\u7528\u3057\u305f\u30b3\u30fc\u30c9\u30b5\u30f3\u30d7\u30eb\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u601d\u3046\u306e\u3067\u3001\u4eca\u5f8c\u3001\u30d9\u30a2\u30e1\u30bf\u30eb\u3067Rust\u3092\u66f8\u304f\u65b9\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002
\n\u8fd1\u3044\u5c06\u6765\u3001panic_fmt\u304c\u5229\u7528\u3067\u304d\u306a\u304f\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
\u304a\u308f\u308a\u306b<\/h1>\n
\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u304b\u306a\u308a\u3057\u3087\u3046\u3082\u306a\u3044\u30cf\u30de\u308a\u65b9\u3092\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001\u4eca\u5f8c\u3082\u4f7f\u3046\u6a5f\u80fd\u306ebreak-change\u304c\u5b66\u3079\u305f\u306e\u3067\u826f\u304b\u3063\u305f\u3067\u3059\u3002
\n\u7686\u69d8\u3082\u304a\u6c17\u3092\u3064\u3051\u4e0b\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u306f\u3058\u3081\u306b \u3061\u3087\u3093\u307c\u3067\u30cf\u30de\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u3001\u540c\u3058\u904e\u3061\u3092\u4ed6\u306e\u4eba\u304c\u7e70\u308a\u8fd4\u3055\u306a\u3044\u305f\u3081\u306e\u60c5\u5831\u3067\u3059\u3002 Rust\u306e\u30c4\u30fc\u30eb\u30c1\u30a7 […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45221","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45221-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b \u3061\u3087\u3093\u307c\u3067\u30cf\u30de\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u3001\u540c\u3058\u904e\u3061\u3092\u4ed6\u306e\u4eba\u304c\u7e70\u308a\u8fd4\u3055\u306a\u3044\u305f\u3081\u306e\u60c5\u5831\u3067\u3059\u3002 Rust\u306e\u30c4\u30fc\u30eb\u30c1\u30a7 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45221-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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