{"id":44970,"date":"2023-12-22T08:15:26","date_gmt":"2022-11-16T05:50:50","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44970-2\/"},"modified":"2024-05-04T14:48:24","modified_gmt":"2024-05-04T06:48:24","slug":"44970-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44970-2\/","title":{"rendered":""},"content":{"rendered":"<h1>macOS\u7248\u306eRust\u3067panic\u6642\u306e\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u306b\u884c\u756a\u53f7\u3092\u51fa\u3059<\/h1>\n<p>mac\u306e\u74b0\u5883\u3067rust\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u3066panic\u3057\u305f\u3068\u304d\u306b\u3001\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3092\u898b\u3066\u3082\u3069\u3053\u3067\u304a\u3061\u305f\u306e\u304b\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<h2>\u8a66\u3057\u305f\u30d0\u30fc\u30b8\u30e7\u30f3<\/h2>\n<ul class=\"post-ul\">macos<\/ul>\n<pre class=\"post-pre\"><code>% cargo --version\r\ncargo-0.18.0-nightly (fdfdb5f 2017-02-16)\r\n<\/code><\/pre>\n<ul class=\"post-ul\">linux<\/ul>\n<pre class=\"post-pre\"><code>% docker run --rm -v $(pwd):\/source jimmycuadra\/rust cargo --version\r\ncargo 0.16.0-nightly (6e0c18c 2017-01-27)\r\n<\/code><\/pre>\n<h2>panic\u6642\u306b\u3069\u3053\u3067\u843d\u3061\u305f\u304b\u5206\u304b\u3089\u306a\u3044\uff1f\uff1f<\/h2>\n<p>\u4f8b\u3048\u3070\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>01: fn main() {\r\n02:    let test: Option&lt;i32&gt; = None;\r\n03:\r\n04:    println!(\"xxx\");\r\n05:    println!(\"yyy\");\r\n06:    println!(\"test is {}\", test.unwrap());\r\n07:    println!(\"zzz\");\r\n08: }\r\n\r\n<\/code><\/pre>\n<p>\u5909\u6570test\u304cNone\u306a\u306e\u3067\u30016\u884c\u76ee\u306eunwrap()\u3067panic\u3059\u308b\u306e\u3067\u3059\u304c\u3001 macOS\u7248\u306ecargo run\u3067RUST_BACKTRACE=1\u3092\u3064\u3051\u3066\u5b9f\u884c\u3059\u308b\u3068\u4e0b\u8a18\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>% RUST_BACKTRACE=1 cargo run\r\n    Finished dev [unoptimized + debuginfo] target(s) in 0.0 secs\r\n     Running `target\/debug\/rust-better-stacktrace`\r\nxxx\r\nyyy\r\nthread 'main' panicked at 'called `Option::unwrap()` on a `None` value', src\/libcore\/option.rs:323\r\nstack backtrace:\r\n   1:        0x10dbefd59 - std::sys::imp::backtrace::tracing::imp::write::h9559bd7cb15d72ad\r\n   2:        0x10dbf122e - std::panicking::default_hook::{{closure}}::h4b3f2b69c9ce844d\r\n   3:        0x10dbf0edb - std::panicking::default_hook::h61d415f2381a7336\r\n   4:        0x10dbf15e7 - std::panicking::rust_panic_with_hook::h8e6300d8e8aca457\r\n   5:        0x10dbf1484 - std::panicking::begin_panic::h08622fbe5a379aac\r\n   6:        0x10dbf13f2 - std::panicking::begin_panic_fmt::ha00d3aa9db91f578\r\n   7:        0x10dbf1357 - rust_begin_unwind\r\n   8:        0x10dc11a20 - core::panicking::panic_fmt::h58d018e87f211baf\r\n   9:        0x10dc11924 - core::panicking::panic::h4e2dc358c3b23d48\r\n  10:        0x10dbe9634 - &lt;core::option::Option&lt;T&gt;&gt;::unwrap::hd19ecad304e85b2f\r\n  11:        0x10dbe9808 - rust_better_stacktrace::main::hd6e610e90450cf55\r\n  12:        0x10dbf305a - __rust_maybe_catch_panic\r\n  13:        0x10dbf18a6 - std::rt::lang_start::he28fbf70e98a2b18\r\n  14:        0x10dbe98f9 - main\r\n<\/code><\/pre>\n<p>11\u884c\u76ee\u306brust_better_stacktrace::main::hd6e610e90450cf55\u304c\u3042\u308b\u306e\u3067\u3001\u95a2\u6570main\u306e\u4e2d\u3067\u8d77\u304d\u305f\u3053\u3068\u306f\u5206\u304b\u3063\u3066\u3082\u5177\u4f53\u7684\u306b\u3001\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u3001\u3069\u306e\u884c\u306a\u306e\u304b\u308f\u304b\u308a\u307e\u305b\u3093\u306d\u3002<\/p>\n<p>\u3067\u3001\u8abf\u3079\u3066\u307f\u308b\u3068\u3001\u672c\u5bb6\u306eissue\u306b<\/p>\n<p>Backtrace does not include file and line number on non-Linux platforms #24346<\/p>\n<p>\u3068\u3044\u3046\u306e\u304c\u7acb\u3063\u3066\u3044\u307e\u3057\u3066\u3001linux\u4ee5\u5916\u306eOS\u3067\u306f\u73fe\u72b6\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u306b\u30d5\u30a1\u30a4\u30eb\u540d\u3068\u884c\u756a\u53f7\u304c\u3067\u306a\u3044\u3068\u306e\u3053\u3068\u3002(https:\/\/github.com\/rust-lang\/rust\/issues\/24346#issuecomment-170711555)<\/p>\n<p>\u8a66\u3057\u306blinux\u74b0\u5883\u306erust\u3067\u8a66\u3057\u3066\u307f\u308b\u3068\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3068\u3066\u3082\u308f\u304b\u308a\u6613\u304f\u30d0\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u304c\u51fa\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>% RUST_BACKTRACE=1 cargo run\r\n    Finished debug [unoptimized + debuginfo] target(s) in 0.0 secs\r\n     Running `target\/debug\/rust-better-stacktrace`\r\nxxx\r\nyyy\r\nthread 'main' panicked at 'called `Option::unwrap()` on a `None` value', \/buildslave\/rust-buildbot\/slave\/stable-dist-rustc-linux\/build\/src\/libcore\/option.rs:323\r\nstack backtrace:\r\n\r\nlinux\/build\/src\/libcore\/macros.rs:21\r\n   --- \u9577\u3044\u306e\u3067\u7701\u7565 ---\r\n  11:     0x556838c49beb - rust_better_stacktrace::main::hfdf401c58b6d709f\r\n                        at \/source\/src\/main.rs:6\r\n   --- \u9577\u3044\u306e\u3067\u7701\u7565 ---\r\n<\/code><\/pre>\n<p>main.rs\u306e6\u884c\u76ee\u3067\u767a\u751f\u3057\u305f\u306e\u304c\u3071\u3063\u3068\u5206\u304b\u3063\u3066\u3044\u3044\u3067\u3059\u306d\u3002<\/p>\n<h2>mac\u3067\u3082\u306a\u3093\u3068\u304b\u30d5\u30a1\u30a4\u30eb\u3068\u884c\u756a\u53f7\u3092\u77e5\u308b<\/h2>\n<p>\u3058\u3083\u3001mac\u3067\u306f\u7121\u7406\u306a\u306e\u304b\u3068\u601d\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u4e0a\u8a18\u306eissue\u3067\u30c7\u30d0\u30c3\u30ac\u30fc(lldb)\u3067\u5b9f\u884c\u3059\u308c\u3070\u5206\u304b\u308b\u3001\u3068\u3044\u3046\u30b3\u30e1\u30f3\u30c8\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3069\u3046\u3082panic\u306e\u3068\u304d\u306b\u5b9f\u884c\u3055\u308c\u308brust_begin_unwind\u306b\u30d6\u30ec\u30a4\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u8cbc\u3063\u3066\u304a\u3044\u3066\u3001\u305d\u3053\u307e\u3067\u306e\u30d0\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3092\u30c7\u30d0\u30c3\u30ac\u3067\u898b\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u306e\u3088\u3046\u3067\u3057\u305f\u3002\u8a66\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code># \u30c7\u30d0\u30c3\u30b0\u30d3\u30eb\u30c9\u306e\u65b9\u306e\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3067lldb\u3092\u8d77\u52d5\r\n% lldb target\/debug\/rust-better-stacktrace\r\n\r\n# \u4ee5\u4e0blldb\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\r\n# rust_begin_unwind\u306b\u30d6\u30ec\u30a4\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u8cbc\u308a\u307e\u3059\u3002\r\n(lldb) b rust_begin_unwind\r\nBreakpoint 1: where = rust-better-stacktrace`std::panicking::rust_begin_panic + 4 at panicking.rs:464, address = 0x0000000100009324\r\n\r\n# \u3067\u3001\u5b9f\u884c\r\n(lldb) run\r\n\r\n# \u3059\u308b\u3068\u60f3\u5b9a\u901a\u308a\u30d6\u30ec\u30a4\u30af\u30dd\u30a4\u30f3\u30c8\u3067\u6b62\u307e\u308a\u307e\u3059\r\nProcess 48841 launched: '\/Users\/pocari\/dev\/tmp\/20170221\/rust-better-stacktrace\/rust-better-stacktrace\/target\/debug\/rust-better-stacktrace' (x86_64)\r\nxxx\r\nyyy\r\nrust-better-stacktrace was compiled with optimization - stepping may behave oddly; variables may not be available.\r\nProcess 48841 stopped\r\n* thread #1: tid = 0x9be70, 0x0000000100009324 rust-better-stacktrace`std::panicking::rust_begin_panic + 4 at panicking.rs:464, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1\r\n    frame #0: 0x0000000100009324 rust-better-stacktrace`std::panicking::rust_begin_panic + 4 at panicking.rs:464 [opt]\r\n<\/code><\/pre>\n<p>\u3067\u3001\u3053\u3053\u3067bt\u3067\u30d0\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3092\u8868\u793a\u3055\u305b\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>(lldb) bt\r\n* thread #1: tid = 0x9be70, 0x0000000100009324 rust-better-stacktrace`std::panicking::rust_begin_panic + 4 at panicking.rs:464, queue = 'com.apple.main-thread', stop reason = b\r\n  * frame #0: 0x0000000100009324 rust-better-stacktrace`std::panicking::rust_begin_panic + 4 at panicking.rs:464 [opt]\r\n    frame #1: 0x0000000100029a21 rust-better-stacktrace`core::panicking::panic_fmt + 129 at panicking.rs:69 [opt]\r\n    frame #2: 0x0000000100029925 rust-better-stacktrace`core::panicking::panic + 101 at panicking.rs:49 [opt]\r\n    frame #3: 0x0000000100001635 rust-better-stacktrace`core::option::{{impl}}::unwrap&lt;i32&gt;(self=Option&lt;i32&gt; @ 0x00007fff5fbff020) + 85 at macros.rs:21\r\n    frame #4: 0x0000000100001809 rust-better-stacktrace`rust_better_stacktrace::main + 169 at main.rs:6\r\n    frame #5: 0x000000010000b05b rust-better-stacktrace`panic_unwind::__rust_maybe_catch_panic + 27 at lib.rs:98 [opt]\r\n    frame #6: 0x00000001000098a7 rust-better-stacktrace`std::rt::lang_start [inlined] std::panicking::try&lt;(),fn()&gt; + 44 at panicking.rs:429 [opt]\r\n    frame #7: 0x000000010000987b rust-better-stacktrace`std::rt::lang_start [inlined] std::panic::catch_unwind&lt;fn(),()&gt; at panic.rs:361 [opt]\r\n    frame #8: 0x000000010000987b rust-better-stacktrace`std::rt::lang_start + 347 at rt.rs:57 [opt]\r\n    frame #9: 0x00000001000018fa rust-better-stacktrace`main + 42\r\n    frame #10: 0x00007fff8b64e5ad libdyld.dylib`start + 1\r\n<\/code><\/pre>\n<p>\u3059\u308b\u3068frame #4\u306e\u30d5\u30ec\u30fc\u30e0\u60c5\u5831\u304b\u3089<\/p>\n<pre class=\"post-pre\"><code>frame #4: 0x0000000100001809 rust-better-stacktrace`rust_better_stacktrace::main + 169 at main.rs:6\r\n<\/code><\/pre>\n<p>main.rs\u306e6\u884c\u76ee\u3068\u3044\u3046\u60c5\u5831\u304c\u898b\u3048\u307e\u3059\u306d\uff01<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>mac\u3067\u3082\u30d5\u30a1\u30a4\u30eb\u540d\u3068\u884c\u756a\u53f7\u3092\u898b\u3088\u3046\u3068\u601d\u3048\u3070\u898b\u3089\u308c\u308b\u3088\u3046\u3067\u3059\u304c\u3001\u3084\u3063\u3071\u9762\u5012\u3067\u3059\u3088\u306d\u3002<br \/>\n\u6700\u8fd1\u7d50\u69cb\u983b\u7e41\u306b\u76ee\u306b\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304d\u305fRust\u3067\u3059\u304c\u3001\u305d\u306e\u3046\u3061linux\u4ee5\u5916\u306eOS\u3067\u3082\u3053\u306e\u8fba\u6574\u5099\u3055\u308c\u3066\u304f\u308c\u308b\u3068\u3044\u3044\u306a\u30fc\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>macOS\u7248\u306eRust\u3067panic\u6642\u306e\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u306b\u884c\u756a\u53f7\u3092\u51fa\u3059 mac\u306e\u74b0\u5883\u3067rust\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44970","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) - 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