{"id":45329,"date":"2024-01-20T23:37:35","date_gmt":"2023-06-08T02:41:24","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/"},"modified":"2024-05-04T19:21:41","modified_gmt":"2024-05-04T11:21:41","slug":"45329-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/","title":{"rendered":""},"content":{"rendered":"<h1>Rust \u306e\u30e9\u30a4\u30d6\u30e9\u30ea crate_type \u3092\u307e\u3068\u3081\u3066\u307f\u305f<\/h1>\n<p>2022\/01\/13 \u8ffd\u8a18<br \/>\n\u6700\u521d\u306e\u6295\u7a3f\u304b\u3089 5 \u5e74\u3082\u7d4c\u3063\u305f\u3089\u3055\u3059\u304c\u306b\u4ed6\u306e\u8a18\u4e8b\u51fa\u3066\u308b\u3060\u308d\u3046\u3068\u601d\u3044\u304d\u3084\u3001\u4eca\u3067\u3082 Google \u3067\u691c\u7d22\u3059\u308b\u3068\u3044\u3061\u3070\u3093\u4e0a\u306b\u51fa\u3066\u304d\u307e\u3059\u306d\u3002<br \/>\n\u3068\u3044\u3046\u3053\u3068\u3067\u6539\u3081\u3066\u8abf\u3079\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\u3053\u3068\u306b\u52a0\u3048\u3001\u5185\u5bb9\u306b\u4e0d\u6b63\u78ba\u306a\u70b9\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u307b\u307c\u5168\u9762\u7684\u306b\u66f8\u304d\u76f4\u3057\u307e\u3057\u305f\u3002\u904e\u53bb\u306e\u7248\u306f \u7de8\u96c6\u5c65\u6b74 \u304b\u3089\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>2016\/07\/07 \u306b Rust 1.10 \u304c\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002\u3082\u3046 5 \u5e74\u524d\u3067\u3059\u3002<br \/>\nAnnouncing Rust 1.10 &#8211; The Rust Programming Language Blog<\/p>\n<p>Rust 1.10 \u3067\u306f\u3001\u65b0\u3057\u304f cdylib \u3068\u3044\u3046\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<br \/>\n\u3053\u308c\u306f\u4e00\u4f53\u4f55\u8005\u306a\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u305d\u3082\u305d\u3082 Rust \u306e crate_type \u3068\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<h2>TL;DR<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30af\u30ec\u30fc\u30c8\u306e\u7a2e\u985e\u306f bin, lib, proc-macro \u306e 3 \u3064<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">lib \u30af\u30ec\u30fc\u30c8\u306f\u6b21\u7ae0\u306b\u8a18\u8f09\u306e\u901a\u308a\u3001\u751f\u6210\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u3092 *lib \u306e\u5f62\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Rust \u3092\u5229\u7528\u3059\u308b\u4eba\u304c\u6307\u5b9a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u306f\u57fa\u672c\u7684\u306b rlib \u3068 cdylib \u306e 2 \u3064\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>rlib \u306f Cargo \u306e\u4e2d\u3067\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u6307\u5b9a\u3059\u308b\uff08\u3055\u308c\u3066\u3044\u308b\uff09\u3002<\/p>\n<p>cdylib \u306f\u4ed6\u306e\u8a00\u8a9e\u304b\u3089\u52d5\u7684\u306b FFI \u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u308b\u305f\u3081\u306b\u6307\u5b9a\u3059\u308b\u3002<\/p>\n<h2>\u7b54\u3048<\/h2>\n<p>\u7591\u554f\u306b\u5bfe\u3059\u308b\u56de\u7b54\u306f Linkage &#8211; The Rust Reference \u306b\u3042\u308a\u307e\u3059\u3002\u9055\u3044\u306b\u3064\u3044\u3066\u8981\u7d04\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3053\u3068\u304c\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>bin : \u5b9f\u884c\u53ef\u80fd\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>lib : Rust \u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u8a73\u7d30\u306f\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>dylib : \u52d5\u7684\u306a Rust \u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>staticlib : \u9759\u7684\u306a \u30b7\u30b9\u30c6\u30e0 \u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u4ed6\u8a00\u8a9e\u30a2\u30d7\u30ea\u304b\u3089\u30ea\u30f3\u30af\u3059\u308b\u305f\u3081\u306b\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>cdylib : \u52d5\u7684\u306a \u30b7\u30b9\u30c6\u30e0 \u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u4ed6\u8a00\u8a9e\u304b\u3089\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>rlib : &#8220;Rust library&#8221; \u3092\u751f\u6210\u3057\u307e\u3059\u3002\u9759\u7684\u306a Rust \u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3082\u8a00\u3048\u3001\u4e2d\u9593\u751f\u6210\u7269\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>proc-macro : \u4f55\u3092\u751f\u6210\u3059\u308b\u304b\u306f\u7279\u5b9a\u3057\u3066\u3044\u305b\u3093\u3002\u95a2\u6570\u30de\u30af\u30ed\u304c\u5b9a\u7fa9\u3055\u308c\u305f\u30af\u30ec\u30fc\u30c8\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u4ed6\u306b\u3082\u89e3\u8aac\u304c\u3042\u308b bin \u3068 proc-macro \u306b\u3064\u3044\u3066\u306f\u89e6\u308c\u305a\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u9650\u5b9a\u3057\u307e\u3059\u3002<br \/>\n\u5185\u5bb9\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044 lib \u3092\u9664\u304f\u3068\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u7a2e\u985e\u306f\u4e0b\u8868\u306e\u901a\u308a\u306b\u6574\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n<div>\n<div class=\"post-table\">\nRust \u30e9\u30a4\u30d6\u30e9\u30ea\u30b7\u30b9\u30c6\u30e0\u30e9\u30a4\u30d6\u30e9\u30ea\u52d5\u7684\uff08\u30ed\u30fc\u30c9\uff09<code>dylib<\/code><code>cdylib<\/code>\u9759\u7684\uff08\u30ea\u30f3\u30af\uff09<code>rlib<\/code><code>staticlib<\/code><\/div>\n<\/div>\n<p>\u3053\u3053\u3067\u306e\u300c\u30b7\u30b9\u30c6\u30e0\u30e9\u30a4\u30d6\u30e9\u30ea\u300d\u3068\u306f\u3001\u4ed6\u306e\u8a00\u8a9e\u304b\u3089 FFI \u306a\u3069\u3092\u4f7f\u7528\u3057\u3066\u547c\u3073\u51fa\u3059\u3053\u3068\u3092\u60f3\u5b9a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<br \/>\n\u3064\u307e\u308a\u3001\u88cf\u3092\u8fd4\u305b\u3070\u300cRust \u30e9\u30a4\u30d6\u30e9\u30ea\u300d\u3068\u306f\u3001\u4ed6\u306e\u8a00\u8a9e\u304b\u3089\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u3092\u660e\u78ba\u306b\u306f\u60f3\u5b9a\u3057\u3066\u3044\u306a\u3044\u5f62\u5f0f\u3068\u3082\u8a00\u3048\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u306b rlib \u306b\u3064\u3044\u3066\u306f \u4e2d\u9593\u751f\u6210\u7269 \u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u901a\u308a\u3001\u7121\u6307\u5b9a\u3067\u3082 Cargo \u306e\u5185\u90e8\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u5916\u90e8\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u3063\u3066\u3044\u308b\u30af\u30ec\u30fc\u30c8\u3092\u30d3\u30eb\u30c9\u3059\u308b\u3068\u3001rlib \u30d5\u30a1\u30a4\u30eb\u304c .\/target\/\/deps \u306e\u4e0b\u3078\u5927\u91cf\u306b\u751f\u6210\u3055\u308c\u308b\u69d8\u5b50\u304c\u89b3\u5bdf\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u5b9f\u9a13<\/h2>\n<p>\u3068\u308a\u3042\u3048\u305a\u5206\u304b\u3063\u305f\u6c17\u306b\u306a\u308c\u305f\u306e\u3067\u3001\u3053\u3053\u3067\u5c11\u3057\u5b9f\u9a13\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br \/>\n\u74b0\u5883\u306f rustc 1.57.0 (f1edd0429 2021-11-29) on Windows 10 \u3067\u3059\u3002<\/p>\n<p>\u30b5\u30f3\u30d7\u30eb\u3068\u3057\u3066\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">#[no_mangle]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">saturating_add<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u8<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u8<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nb\">u8<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">a<\/span><span class=\"nf\">.saturating_add<\/span><span class=\"p\">(<\/span><span class=\"n\">b<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>Rust \u6a19\u6e96\u306e u8::saturating_add \u3092\u30e9\u30c3\u30d7\u3057\u305f\u3060\u3051\u306e\u95a2\u6570\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u5f8c\u307b\u3069\u5916\u90e8\u304b\u3089\u547c\u3073\u51fa\u305b\u308b\u3088\u3046\u306b no_mangle \u5c5e\u6027\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092\u4ee5\u4e0b\u306e\u901a\u308a\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u307f\u307e\u3059\u3002\u306a\u304a\u3001\u4f59\u8a08\u306a\u60c5\u5831\u304c\u5165\u3089\u306a\u3044\u3088\u3046\u6700\u9069\u5316\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u6b74\u53f2\u7684\u306a\u90fd\u5408\u304b\u3089 dylib \u306b\u306f prefer-dynamic \u3068\u3044\u3046\u30d5\u30e9\u30b0\u304c\u3042\u308b\u306e\u3067\u3001\u3053\u308c\u3092\u4ed8\u3051\u305f\u3082\u306e\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>rustc add.rs <span class=\"nt\">-O<\/span> <span class=\"nt\">--crate-type<\/span><span class=\"o\">=<\/span>cdylib <span class=\"nt\">--out-dir<\/span> cdylib\r\nrustc add.rs <span class=\"nt\">-O<\/span> <span class=\"nt\">--crate-type<\/span><span class=\"o\">=<\/span>dylib <span class=\"nt\">--out-dir<\/span> dylib\r\nrustc add.rs <span class=\"nt\">-O<\/span> <span class=\"nt\">--crate-type<\/span><span class=\"o\">=<\/span>dylib <span class=\"nt\">--out-dir<\/span> dylib-dyn <span class=\"nt\">-C<\/span> prefer-dynamic\r\nrustc add.rs <span class=\"nt\">-O<\/span> <span class=\"nt\">--crate-type<\/span><span class=\"o\">=<\/span>rlib <span class=\"nt\">--out-dir<\/span> rlib\r\nrustc add.rs <span class=\"nt\">-O<\/span> <span class=\"nt\">--crate-type<\/span><span class=\"o\">=<\/span>staticlib <span class=\"nt\">--out-dir<\/span> staticlib\r\n<\/code><\/pre>\n<h2>\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u8eab\u3092\u78ba\u8a8d\u3059\u308b<\/h2>\n<p>\u751f\u6210\u3055\u308c\u305f\u8907\u6570\u306e\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u3001\u30e1\u30a4\u30f3\u3068\u306a\u308b\u3082\u306e\u3092\u629c\u7c8b\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<div>\n<div class=\"post-table\">crate_typefilesizecdylibadd.dll10752dylibadd.dll919040dylib + prefer-dynamicadd.dll11264rliblibadd.rlib4802staticlibadd.lib10398938<\/div>\n<\/div>\n<h3>cdylib \u3092\u8997\u3044\u3066\u307f\u308b<\/h3>\n<p>\u307e\u305a\u306f cdylib \u3092\u8997\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br \/>\n\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306f\u62e1\u5f35\u5b50\u306b .dll \u3068\u3042\u308b\u901a\u308a Portable Executable \u306a\u306e\u3067\u3001\u51fa\u529b\u30b7\u30f3\u30dc\u30eb\u3068\u4f9d\u5b58\u5148\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>R:\\crate_type&gt; dumpbin \/nologo \/exports \/dependents .\\cdylib\\add.dll\r\n\r\nDump of file .\\cdylib\\add.dll\r\n\r\nFile Type: DLL\r\n\r\n  Image has the following dependencies:\r\n\r\n    KERNEL32.dll\r\n    VCRUNTIME140.dll\r\n    api-ms-win-crt-runtime-l1-1-0.dll\r\n\r\n  Section contains the following exports for add.dll\r\n\r\n    00000000 characteristics\r\n    FFFFFFFF time date stamp\r\n        0.00 version\r\n           1 ordinal base\r\n           2 number of functions\r\n           2 number of names\r\n\r\n    ordinal hint RVA      name\r\n\r\n          1    0 00001360 rust_eh_personality = rust_eh_personality\r\n          2    1 00001000 saturating_add = saturating_add\r\n\r\n  Summary\r\n\r\n        1000 .data\r\n        1000 .pdata\r\n        1000 .rdata\r\n        1000 .reloc\r\n        2000 .text\r\n\r\n<\/code><\/pre>\n<p>\u3055\u304d\u307b\u3069\u5b9f\u88c5\u3057\u305f saturating_add \u3068\u3001no_std \u306e Rust \u3092\u66f8\u3044\u305f\u3053\u3068\u304c\u3042\u308b\u4eba\u306b\u306f\u304a\u99b4\u67d3\u307f\u306e rust_eh_personality \u304c\u898b\u3066\u53d6\u308c\u307e\u3059\u3002\u305d\u308c\u4ee5\u5916\u306b\u7279\u7b46\u3059\u308b\u60c5\u5831\u306f\u306a\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n<h3>dylib \u3092\u8997\u3044\u3066\u307f\u308b<\/h3>\n<p>\u7d9a\u3044\u3066 dylib \u306e dll \u3092\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>R:\\crate_type&gt; dumpbin \/nologo \/exports \/dependents .\\dylib\\add.dll\r\n\r\nDump of file .\\dylib\\add.dll\r\n\r\nFile Type: DLL\r\n\r\n  Image has the following dependencies:\r\n\r\n    KERNEL32.dll\r\n    WS2_32.dll\r\n    bcrypt.dll\r\n    ADVAPI32.dll\r\n    USERENV.dll\r\n    VCRUNTIME140.dll\r\n    api-ms-win-crt-math-l1-1-0.dll\r\n    api-ms-win-crt-string-l1-1-0.dll\r\n    api-ms-win-crt-runtime-l1-1-0.dll\r\n    api-ms-win-crt-heap-l1-1-0.dll\r\n\r\n  Section contains the following exports for add.dll\r\n\r\n    00000000 characteristics\r\n    FFFFFFFF time date stamp\r\n        0.00 version\r\n           1 ordinal base\r\n        2436 number of functions\r\n        2436 number of names\r\n\r\n    ordinal hint RVA      name\r\n\r\n          1    0 0004ED70 _ZN100_$LT$core..ascii..EscapeDefault$u20$as$u20$core..iter..traits..double_ended..DoubleEndedIterator$GT$9next_back17h1498a44032c8561eE = _ZN100_$LT$core..ascii..EscapeDefault$u20$as$u20$core..iter..traits..double_ended..DoubleEndedIterator$GT$9next_back17h1498a44032c8561eE\r\n          2    1 000104F0 _ZN101_$LT$std..fs..DirEntry$u20$as$u20$std..sys_common..AsInner$LT$std..sys..windows..fs..DirEntry$GT$$GT$8as_inner17h81e9e878d30be855E = _ZN101_$LT$std..fs..DirEntry$u20$as$u20$std..sys_common..AsInner$LT$std..sys..windows..fs..DirEntry$GT$$GT$8as_inner17h81e9e878d30be855E\r\n          3    2 000104F0 _ZN101_$LT$std..fs..FileType$u20$as$u20$std..sys_common..AsInner$LT$std..sys..windows..fs..FileType$GT$$GT$8as_inner17he61019d1f94252c1E = _ZN101_$LT$std..fs..DirEntry$u20$as$u20$std..sys_common..AsInner$LT$std..sys..windows..fs..DirEntry$GT$$GT$8as_inner17h81e9e878d30be855E\r\n          4    3 000104F0 _ZN101_$LT$std..fs..Metadata$u20$as$u20$std..sys_common..AsInner$LT$std..sys..windows..fs..FileAttr$GT$$GT$8as_inner17h9e589444f15fa30dE = _ZN101_$LT$std..fs..DirEntry$u20$as$u20$std..sys_common..AsInner$LT$std..sys..windows..fs..DirEntry$GT$$GT$8as_inner17h81e9e878d30be855E\r\n          5    4 00019DA0 _ZN101_$LT$std..process..ExitStatusError$u20$as$u20$core..convert..Into$LT$std..process..ExitStatus$GT$$GT$4into17h6a80afb100a680cbE = _ZN101_$LT$std..process..ExitStatusError$u20$as$u20$core..convert..Into$LT$std..process..ExitStatus$GT$$GT$4into17h6a80afb100a680cbE\r\n          6    5 0001C440 _ZN102_$LT$std..net..addr..SocketAddr$u20$as$u20$core..convert..From$LT$std..net..addr..SocketAddrV4$GT$$GT$4from17h35e23e4d3107c779E = _ZN102_$LT$std..net..addr..SocketAddr$u20$as$u20$core..convert..From$LT$std..net..addr..SocketAddrV4$GT$$GT$4from17h35e23e4d3107c779E\r\n          7    6 0001C460 _ZN102_$LT$std..net..addr..SocketAddr$u20$as$u20$core..convert..From$LT$std..net..addr..SocketAddrV6$GT$$GT$4from17h31922aeaac04cd61E = _ZN102_$LT$std..net..addr..SocketAddr$u20$as$u20$core..convert..From$LT$std..net..addr..SocketAddrV6$GT$$GT$4from17h31922aeaac04cd61E\r\n          8    7 0000FEE0 _ZN103_$LT$core..array..TryFromSliceError$u20$as$u20$core..convert..From$LT$core..convert..Infallible$GT$$GT$4from17h871ca03c104fd2bcE = _ZN103_$LT$core..array..TryFromSliceError$u20$as$u20$core..convert..From$LT$core..convert..Infallible$GT$$GT$4from17h871ca03c104fd2bcE\r\n       ~~~~~~~~ \u7701\u7565 ~~~~~~~~\r\n       2429  97C 00076030 __unorddf2 = _ZN17compiler_builtins5float3cmp10__unorddf217h4f257f44582e6d90E\r\n       2430  97D 00075F40 __unordsf2 = _ZN17compiler_builtins5float3cmp10__unordsf217h3bb3ef0e2ab6043aE\r\n       2431  97E 0002D0C0 rust_begin_unwind = rust_begin_unwind\r\n       2432  97F 0003E3A0 rust_eh_personality = _ZN58_$LT$libc..windows..FILE$u20$as$u20$core..clone..Clone$GT$5clone17hca7d4b7358131f48E\r\n       2433  980 000E2000 rust_metadata_add_99d1d8310a660620 = rust_metadata_add_99d1d8310a660620\r\n       2434  981 0002BDD0 rust_oom = rust_oom\r\n       2435  982 0002D990 rust_panic = rust_panic\r\n       2436  983 00001000 saturating_add = saturating_add\r\n\r\n  Summary\r\n\r\n        1000 .data\r\n        6000 .pdata\r\n       5F000 .rdata\r\n        1000 .reloc\r\n        1000 .rustc\r\n       7B000 .text\r\n\r\n<\/code><\/pre>\n<p>\u306f\u3044\u3001\u30b7\u30f3\u30dc\u30eb\u540d\u306f\u601d\u3044\u304d\u308a\u7701\u7565\u3057\u307e\u3057\u305f\u3002\u5192\u982d\u306b 2436 number of functions \u3068\u3042\u308b\u901a\u308a\u30012436 \u500b\u306e\u95a2\u6570\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3055\u304d\u307b\u3069\u5b9f\u88c5\u3057\u305f saturating_add \u306f\u3001\u305d\u306e\u3046\u3061 2436 \u756a\u76ee\u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\n\u5897\u3048\u305f\u95a2\u6570\u306e name \u306b\u306f\u898b\u6163\u308c\u305f\u540d\u524d\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089 cdylib \u306b\u306f\u306a\u304b\u3063\u305f 2400 \u3042\u307e\u308a\u306e\u95a2\u6570\u306f\u3001Rust \u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u518d\u51fa\u529b\u3057\u305f\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u304c\u898b\u3066\u53d6\u308c\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u304b\u3089\u4f9d\u5b58\u5148\u306e\u307b\u3046\u306b\u3082\u3001\u3055\u304d\u307b\u3069\u306f\u5b58\u5728\u3057\u306a\u304b\u3063\u305f dll \u304c\u898b\u3066\u53d6\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070 WS2_32.dll \u306f Windows Sockets 2 (Winsock) \u306a\u306e\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306b\u3064\u3044\u3066\u3082\u30b3\u30fc\u30c9\u4e0a\u304b\u3089\u306f\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044 Rust \u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u518d\u51fa\u529b\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306e\u3088\u3046\u306a\u7d50\u679c\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3068\u3082\u3046\u4e00\u3064\u3001Summary \u306e\u3068\u3053\u308d\u306b .rustc \u3068\u3044\u3046\u9818\u57df\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u306b\u306f\u578b\u5b9a\u7fa9\u3092\u542b\u3081\u305f\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u30e1\u30bf\u60c5\u5831\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u3002\u5f8c\u307b\u3069\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h3>dylib + prefer-dynamic \u3092\u8997\u3044\u3066\u307f\u308b<\/h3>\n<p>\u6b21\u306f dylib \u306b -C prefer-dynamic \u30d5\u30e9\u30b0\u3092\u3064\u3051\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>R:\\crate_type&gt; dumpbin \/nologo \/exports \/dependents .\\dylib-dyn\\add.dll\r\n\r\nDump of file .\\dylib-dyn\\add.dll\r\n\r\nFile Type: DLL\r\n\r\n  Image has the following dependencies:\r\n\r\n    VCRUNTIME140.dll\r\n    api-ms-win-crt-runtime-l1-1-0.dll\r\n    KERNEL32.dll\r\n    std-f87c887dcbebcf7e.dll\r\n\r\n  Section contains the following exports for add.dll\r\n\r\n    00000000 characteristics\r\n    FFFFFFFF time date stamp\r\n        0.00 version\r\n           1 ordinal base\r\n           6 number of functions\r\n           6 number of names\r\n\r\n    ordinal hint RVA      name\r\n\r\n          1    0 00001B92 __rust_alloc = __rust_alloc\r\n          2    1 00001B98 __rust_alloc_zeroed = __rust_alloc_zeroed\r\n          3    2 00001B9E __rust_dealloc = __rust_dealloc\r\n          4    3 00001BA4 __rust_realloc = __rust_realloc\r\n          5    4 00005000 rust_metadata_add_99d1d8310a660620 = rust_metadata_add_99d1d8310a660620\r\n          6    5 00001000 saturating_add = saturating_add\r\n\r\n  Summary\r\n\r\n        1000 .data\r\n        1000 .pdata\r\n        1000 .rdata\r\n        1000 .reloc\r\n        1000 .rustc\r\n        1000 .text\r\n\r\n<\/code><\/pre>\n<p>\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u3069\u3053\u308d\u304b\u3001\u4eca\u5ea6\u306f\u4f9d\u5b58\u5148\u3068\u3057\u3066\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>rlib \u3092\u8997\u3044\u3066\u307f\u308b<\/h3>\n<p>\u7d9a\u3044\u3066 rlib \u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br \/>\n\u3053\u3061\u3089\u306f\u62e1\u5f35\u5b50\u304c .rlib \u306a\u306e\u3067\u3001\u307e\u305a\u306f\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3092\u7279\u5b9a\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3067\u958b\u304f\u3068\u4ee5\u4e0b\u306e\u8a18\u8ff0\u3067\u59cb\u307e\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>!&lt;arch&gt;\r\n\/               0           0     0     0       24        `\r\n~~~~~~~~ \u4ee5\u4e0b\u3001\u7701\u7565 ~~~~~~~~\r\n<\/code><\/pre>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067(?)\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306f Ar \u30a2\u30fc\u30ab\u30a4\u30d6\u3067\u3059\u3002<br \/>\n\u5c55\u958b\u3059\u308b\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d5\u30a1\u30a4\u30eb\u3084\u3089\u30e1\u30bf\u30c7\u30fc\u30bf\u3084\u3089\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u306e\u307e\u307e\u3067\u306f\u4f55\u3060\u304b\u5206\u304b\u308a\u307e\u305b\u3093\u3002rustc \u5c02\u7528\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u3044\u3063\u305f\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n<h3>\u2026\u2026staticlib \u306f\uff1f<\/h3>\n<p>staticlib \u306f dylib \u3068 OS \u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u9759\u7684\u30ea\u30f3\u30af\u3057\u305f\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u8cbc\u308a\u3064\u3051\u308b\u306b\u306f\u5927\u304d\u3059\u304e\u308b\u306e\u3067\u7701\u7565\u3057\u307e\u3059\u3002<\/p>\n<h2>Rust \u304b\u3089\u547c\u3093\u3067\u307f\u308b<\/h2>\n<p>\u305b\u3063\u304b\u304f\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u3063\u305f\u306e\u3067\u3001\u547c\u3073\u51fa\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<br \/>\n\u5f53\u7136 $200 + 200 = 400$ \u3067\u3059\u304c\u3001saturating \u3055\u308c\u308c\u3070 u8::MAX \u306e $255$ \u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">extern<\/span> <span class=\"n\">crate<\/span> <span class=\"n\">add<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{}\"<\/span><span class=\"p\">,<\/span> <span class=\"nn\">add<\/span><span class=\"p\">::<\/span><span class=\"nf\">saturating_add<\/span><span class=\"p\">(<\/span><span class=\"mi\">200<\/span><span class=\"p\">,<\/span> <span class=\"mi\">200<\/span><span class=\"p\">));<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>Rust \u304b\u3089 rlib \u3092\u547c\u3093\u3067\u307f\u308b<\/h3>\n<p>\u307e\u305a\u306f\u3044\u3064\u3082 (Cargo \u3067) \u4f7f\u3063\u3066\u3044\u308b rlib \u304b\u3089\u3002<br \/>\nrustc \u306e -L \u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u3001\u30ea\u30f3\u30ab\u306e\u691c\u7d22\u5bfe\u8c61\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>R:\\crate_type&gt; rustc main.rs -L rlib\r\n\r\nR:\\crate_type&gt; main.exe\r\n255\r\n\r\n<\/code><\/pre>\n<p>\u96e3\u306a\u304f\u5b9f\u884c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<h3>Rust \u304b\u3089 dylib \u3092\u547c\u3093\u3067\u307f\u308b<\/h3>\n<p>\u7d9a\u3044\u3066 dylib \u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>R:\\crate_type&gt; rustc main.rs -L dylib\r\nerror: cannot satisfy dependencies so `std` only shows up once\r\n  |\r\n  = help: having upstream crates all available in one format will likely make this go away\r\n\r\nerror: cannot satisfy dependencies so `core` only shows up once\r\n  |\r\n  = help: having upstream crates all available in one format will likely make this go away\r\n\r\n       ~~~~~~~~ \u7701\u7565 ~~~~~~~~\r\n\r\nerror: cannot satisfy dependencies so `panic_unwind` only shows up once\r\n  |\r\n  = help: having upstream crates all available in one format will likely make this go away\r\n\r\nerror: aborting due to 13 previous errors\r\n\r\n<\/code><\/pre>\n<p>\u307e\u305a\u306f\u4e8c\u91cd\u5b9a\u7fa9\u3060\u3068\u6012\u3089\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u304b\u3089 std \u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3088\u3046\u3068\u3044\u3046\u306e\u306b\u3001\u4f9d\u5b58\u5143\u306b\u65e2\u306b\u542b\u307e\u308c\u308b\u306e\u306f\u78ba\u304b\u306b\u5909\u3067\u3059\u306d\u3002<br \/>\n\u305d\u308c\u306a\u3089\u3070\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3053\u3053\u3067 prefer-dynamic \u3092\u767b\u5834\u3055\u305b\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code>R:\\crate_type&gt; rustc main.rs -L dylib-dyn\r\n\r\nR:\\crate_type&gt; main.exe\r\n\r\nR:\\crate_type&gt; echo %errorlevel%\r\n-1073741515\r\n\r\n<\/code><\/pre>\n<p>\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u901a\u308a\u307e\u3057\u305f\u304c\u3001\u5b9f\u884c\u6642\u306b\u30a8\u30e9\u30fc\u304c\u51fa\u307e\u3057\u305f\u3002\u306a\u304a -1073741515 (0xc0000135) \u306f STATUS_DLL_NOT_FOUND \u3067\u3059\u3002<br \/>\n\u7b54\u3048\u306f .exe \u3092\u30a8\u30af\u30b9\u30d7\u30ed\u30fc\u30e9\u304b\u3089\u8d77\u52d5\u3059\u308b\u3068\u51fa\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5e5037434c4406cf4db2\/57-0.png\" alt=\"grafik.png\" \/><\/div>\n<p>\u305d\u308c\u306f\u305d\u3046\u3067\u3059\u306d\u3002\u79c1\u306e\u5834\u5408\u306f rustup \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u4e0b\u8a18\u306e\u5834\u6240\u306b\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"post-pre\"><code>R:\\crate_type&gt; copy C:\\Users\\etoilevi\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\\bin\\std-f87c887dcbebcf7e.dll\r\n1 \u500b\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3057\u307e\u3057\u305f\u3002\r\n\r\nR:\\crate_type&gt; main.exe\r\n255\r\n\r\n<\/code><\/pre>\n<p>\u306a\u3093\u3068\u304b\u52d5\u304d\u307e\u3057\u305f\u3002<\/p>\n<h3>Rust \u304b\u3089 cdylib, staticlib \u3092\u547c\u3093\u3067\u307f\u308b<\/h3>\n<p>\u7d9a\u3044\u3066\u30b7\u30b9\u30c6\u30e0\u30e9\u30a4\u30d6\u30e9\u30ea\u306e cdylib, staticlib \u3092\u547c\u3093\u3067\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>R:\\crate_type&gt; rustc main.rs -L cdylib\r\n WARN rustc_metadata::locator no metadata found: no `.rustc` section in '\\\\?\\R:\\crate_type\\cdylib\\add.dll'\r\n WARN rustc_metadata::locator no metadata found: no `.rustc` section in '\\\\?\\R:\\crate_type\\cdylib\\add.dll'\r\nerror[E0462]: found staticlib `add` instead of rlib or dylib\r\n --&gt; main.rs:1:1\r\n  |\r\n1 | extern crate add;\r\n  | ^^^^^^^^^^^^^^^^^\r\n  |\r\n  = help: please recompile that crate using --crate-type lib\r\n  = note: the following crate versions were found:\r\n          crate `add`: cdylib\\add.dll.lib\r\n\r\nerror: aborting due to previous error\r\n\r\n\r\nR:\\crate_type&gt; rustc main.rs -L staticlib\r\nerror[E0462]: found staticlib `add` instead of rlib or dylib\r\n --&gt; main.rs:1:1\r\n  |\r\n1 | extern crate add;\r\n  | ^^^^^^^^^^^^^^^^^\r\n  |\r\n  = help: please recompile that crate using --crate-type lib\r\n  = note: the following crate versions were found:\r\n          crate `add`: staticlib\\add.lib\r\n\r\nerror: aborting due to previous error\r\n\r\n\r\n<\/code><\/pre>\n<p>\u3069\u3061\u3089\u3082\u540c\u3058\u7406\u7531\u3067\u6012\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u751f\u6210\u7269\u306e\u4e2d\u306b rustc \u304c\u4f7f\u7528\u3059\u308b\u30e1\u30bf\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u3066\u304a\u3089\u305a\u3001\u95a2\u6570\u306e\u578b\u306a\u3069\u304c\u5206\u304b\u3089\u306a\u3044\u305f\u3081\u3067\u3059\u3002dylib \u306b\u3042\u3063\u305f .rustc \u30bb\u30af\u30b7\u30e7\u30f3\u306e\u3053\u3068\u3067\u3059\u3002<br \/>\n\u3068\u3044\u3046\u3053\u3068\u3067\u5916\u90e8\u95a2\u6570\u306e\u5ba3\u8a00\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">mod<\/span> <span class=\"n\">add<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nd\">#[link(name<\/span> <span class=\"nd\">=<\/span> <span class=\"s\">\"add.dll\"<\/span><span class=\"nd\">)]<\/span> <span class=\"c\">\/\/ cdylib \u306e\u307f<\/span>\r\n    <span class=\"k\">extern<\/span> <span class=\"s\">\"system\"<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">pub<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">saturating_add<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u8<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u8<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nb\">u8<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">unsafe<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{}\"<\/span><span class=\"p\">,<\/span> <span class=\"nn\">add<\/span><span class=\"p\">::<\/span><span class=\"nf\">saturating_add<\/span><span class=\"p\">(<\/span><span class=\"mi\">200<\/span><span class=\"p\">,<\/span> <span class=\"mi\">200<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u518d\u5ea6\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code>R:\\crate_type&gt; rustc main.rs -L cdylib\r\n\r\nR:\\crate_type&gt; main.exe\r\n255\r\n\r\n~~~~ \u3053\u3053\u3067 #[link(name = \"add\")] \u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8 ~~~~\r\n\r\nR:\\crate_type&gt; rustc main.rs -L staticlib -l add\r\n\r\nR:\\crate_type&gt; main.exe\r\n255\r\n\r\n<\/code><\/pre>\n<p>\u5b9f\u884c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2>C \u304b\u3089 cdylib \u3092\u547c\u3093\u3067\u307f\u308b<\/h2>\n<p>\u3068\u3053\u308d\u3067 cdylib \u306b\u306f\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u305d\u306e\u3082\u306e\u306f\u5165\u3063\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u3061\u3083\u3093\u3068\u6a5f\u80fd\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<br \/>\n\u4ee5\u4e0b\u306e\u3088\u3046\u306a C \u306e\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3001\u3055\u304d\u307b\u3069\u4f5c\u3063\u305f DLL \u306e\u95a2\u6570\u3092\u52d5\u7684\u306b\u547c\u3073\u51fa\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">#include &lt;stdio.h&gt;\r\n#include &lt;Windows.h&gt;\r\n<\/span>\r\n<span class=\"k\">typedef<\/span> <span class=\"nf\">UINT8<\/span><span class=\"p\">(<\/span><span class=\"n\">CALLBACK<\/span> <span class=\"o\">*<\/span><span class=\"n\">SATURATING_ADD<\/span><span class=\"p\">)(<\/span><span class=\"n\">UINT8<\/span><span class=\"p\">,<\/span> <span class=\"n\">UINT8<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"kt\">int<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"n\">HMODULE<\/span> <span class=\"n\">hLib<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"n\">SATURATING_ADD<\/span> <span class=\"n\">pProc<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"n\">UINT8<\/span> <span class=\"n\">ab<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">200<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"n\">hLib<\/span> <span class=\"o\">=<\/span> <span class=\"n\">LoadLibraryA<\/span><span class=\"p\">(<\/span><span class=\"s\">\"add\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">hLib<\/span> <span class=\"o\">==<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"n\">printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%u\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">GetLastError<\/span><span class=\"p\">());<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"n\">pProc<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"n\">SATURATING_ADD<\/span><span class=\"p\">)<\/span><span class=\"n\">GetProcAddress<\/span><span class=\"p\">(<\/span><span class=\"n\">hLib<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"saturating_add\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">pProc<\/span> <span class=\"o\">==<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"mi\">2<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"n\">printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%u<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">pProc<\/span><span class=\"p\">(<\/span><span class=\"n\">ab<\/span><span class=\"p\">,<\/span> <span class=\"n\">ab<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code>R:\\crate_type&gt;main.exe &amp;&amp; echo exitcode: %errorlevel%\r\n255\r\nexitcode: 0\r\n<\/code><\/pre>\n<p>saturating \u3057\u3066\u307e\u3059\u3002\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<br \/>\n\u3061\u306a\u307f\u306b dylib \u3067\u3082\u30b7\u30f3\u30dc\u30eb\u306f\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u540c\u69d8\u306b\u52d5\u304d\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u4ee5\u4e0a Rust \u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u7528 crate_type \u306e\u9055\u3044\u3092\u3001\u751f\u6210\u7269\u306e\u4e2d\u8eab\u3068\u3068\u3082\u306b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u6700\u7d42\u7684\u306a\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u307e\u3067\u3092 Rust \u3060\u3051\u3067\u958b\u767a\u3059\u308b\u5834\u5408\u306b\u306f Cargo \u3092\u901a\u3057\u305f\u30d3\u30eb\u30c9\u306e\u307f\u3067\u4e8b\u8db3\u308a\u307e\u3059\u3002\u3067\u3059\u306e\u3067\u6700\u521d\u306b\u300cRust \u30e9\u30a4\u30d6\u30e9\u30ea\u300d\u3068\u66f8\u3044\u3066\u3042\u3063\u305f\u3082\u306e\u306b\u3064\u3044\u3066\u306f\u3001\u3042\u3048\u3066\u6307\u5b9a\u3059\u308b\u6a5f\u4f1a\u3082\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u6700\u7d42\u54c1\u304c\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3067\u306a\u3044\u3001\u3064\u307e\u308a C \u3084\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u304b\u3089 Rust \u306e\u95a2\u6570\u3092\u547c\u3076\u969b\u306b\u306f\u3001\u52d5\u7684\u30ea\u30f3\u30af\/\u30ed\u30fc\u30c9\u3067\u3088\u3051\u308c\u3070 cdylib \u306e\u3001musl \u3092\u4f7f\u7528\u3059\u308b\u306a\u3069\u52d5\u7684\u306a\u4f9d\u5b58\u304c\u3067\u304d\u306a\u3044\u5834\u5408\u306f staticlib \u306e\u6307\u5b9a\u306b\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0a\u3001\u958b\u767a\u306e\u304a\u5f79\u306b\u7acb\u3066\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n<h3>\u304a\u307e\u3051 (WebAssembly)<\/h3>\n<p>\u3061\u306a\u307f\u306b WebAssembly \u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u6210\u3059\u308b\u969b\u3001\u521d\u671f\u72b6\u614b\u306e Cargo.toml \u3067\u30d3\u30eb\u30c9\u3059\u308b\u3068<\/p>\n<pre class=\"post-pre\"><code><span class=\"py\">crate-type<\/span> <span class=\"p\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"cdylib\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"rlib\"<\/span><span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<p>\u3068\u66f8\u3051\u3068\u6012\u3089\u308c\u307e\u3059\u304c\u3001\u3053\u308c\u306b\u3064\u3044\u3066\u3082\u300c\u304a\u307e\u3058\u306a\u3044\u300d\u3067\u306f\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u306d\u3002<br \/>\n\u3053\u3053\u3067\u306e cdylib \u306f\u6700\u7d42\u6210\u679c\u7269\u306e .wasm \u30d5\u30a1\u30a4\u30eb\uff08\uff1d\u52d5\u7684\u30e9\u30a4\u30d6\u30e9\u30ea\uff09\u3092\u3001rlib \u306f Cargo \u304c\u5185\u5074\u3067\u4f7f\u3046 .rlib \u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rust \u306e\u30e9\u30a4\u30d6\u30e9\u30ea crate_type \u3092\u307e\u3068\u3081\u3066\u307f\u305f 2022\/01\/13 \u8ffd\u8a18 \u6700\u521d\u306e\u6295\u7a3f\u304b\u3089 5  [&hellip;]<\/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-45329","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- 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\/45329-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"Rust \u306e\u30e9\u30a4\u30d6\u30e9\u30ea crate_type \u3092\u307e\u3068\u3081\u3066\u307f\u305f 2022\/01\/13 \u8ffd\u8a18 \u6700\u521d\u306e\u6295\u7a3f\u304b\u3089 5 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-06-08T02:41:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-04T11:21:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5e5037434c4406cf4db2\/57-0.png\" \/>\n<meta name=\"author\" content=\"\u6587, \u7fd4\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6587, \u7fd4\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-06-08T02:41:24+00:00\",\"dateModified\":\"2024-05-04T11:21:41+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c\",\"name\":\"\u6587, \u7fd4\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g\",\"caption\":\"\u6587, \u7fd4\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/wenxiang\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"- Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/","og_locale":"zh_CN","og_type":"article","og_description":"Rust \u306e\u30e9\u30a4\u30d6\u30e9\u30ea crate_type \u3092\u307e\u3068\u3081\u3066\u307f\u305f 2022\/01\/13 \u8ffd\u8a18 \u6700\u521d\u306e\u6295\u7a3f\u304b\u3089 5 [&hellip;]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-06-08T02:41:24+00:00","article_modified_time":"2024-05-04T11:21:41+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5e5037434c4406cf4db2\/57-0.png"}],"author":"\u6587, \u7fd4","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u6587, \u7fd4","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"7 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/","name":"- Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-06-08T02:41:24+00:00","dateModified":"2024-05-04T11:21:41+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/"]}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c","name":"\u6587, \u7fd4","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g","caption":"\u6587, \u7fd4"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/wenxiang\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/45329-2\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=45329"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45329\/revisions"}],"predecessor-version":[{"id":100203,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45329\/revisions\/100203"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=45329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=45329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=45329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}