151 lines
6.6 KiB
HTML
151 lines
6.6 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="generator" content="rustdoc">
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<meta name="description" content="API documentation for the Rust `resolve` fn in crate `backtrace`.">
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<meta name="keywords" content="rust, rustlang, rust-lang, resolve">
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<title>backtrace::resolve - Rust</title>
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<link rel="stylesheet" type="text/css" href="../normalize.css">
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<link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle">
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<script src="../storage.js"></script>
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</head>
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<body class="rustdoc fn">
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<!--[if lte IE 8]>
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<div class="warning">
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This old browser is unsupported and will most likely display funky
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things.
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</div>
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<![endif]-->
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<nav class="sidebar">
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<div class="sidebar-menu">☰</div>
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<p class='location'><a href='index.html'>backtrace</a></p><script>window.sidebarCurrent = {name: 'resolve', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script>
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</nav>
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<script src="../theme.js"></script>
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<nav class="sub">
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<form class="search-form js-only">
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<div class="search-container">
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<input class="search-input" name="search"
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autocomplete="off"
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placeholder="Click or press ‘S’ to search, ‘?’ for more options…"
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type="search">
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</div>
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</form>
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</nav>
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<section id='main' class="content">
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<h1 class='fqn'><span class='in-band'>Function <a href='index.html'>backtrace</a>::<wbr><a class="fn" href=''>resolve</a></span><span class='out-of-band'><span id='render-detail'>
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<a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">
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[<span class='inner'>−</span>]
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</a>
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</span><a class='srclink' href='../src/backtrace/symbolize/mod.rs.html#39-41' title='goto source code'>[src]</a></span></h1>
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<pre class='rust fn'>pub fn resolve<F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&<a class="struct" href="../backtrace/struct.Symbol.html" title="struct backtrace::Symbol">Symbol</a>)>(addr: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="enum" href="https://doc.rust-lang.org/nightly/std/os/raw/enum.c_void.html" title="enum std::os::raw::c_void">c_void</a>, cb: F)</pre><div class='docblock'><p>Resolve an address to a symbol, passing the symbol to the specified
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closure.</p>
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<p>This function will look up the given address in areas such as the local
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symbol table, dynamic symbol table, or DWARF debug info (depending on the
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activated implementation) to find symbols to yield.</p>
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<p>The closure may not be called if resolution could not be performed, and it
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also may be called more than once in the case of inlined functions.</p>
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<p>Symbols yielded represent the execution at the specified <code>addr</code>, returning
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file/line pairs for that address (if available).</p>
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<h1 id="example" class="section-header"><a href="#example">Example</a></h1>
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<pre class="rust rust-example-rendered">
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<span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">backtrace</span>;
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<span class="kw">fn</span> <span class="ident">main</span>() {
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<span class="ident">backtrace</span>::<span class="ident">trace</span>(<span class="op">|</span><span class="ident">frame</span><span class="op">|</span> {
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<span class="kw">let</span> <span class="ident">ip</span> <span class="op">=</span> <span class="ident">frame</span>.<span class="ident">ip</span>();
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<span class="ident">backtrace</span>::<span class="ident">resolve</span>(<span class="ident">ip</span>, <span class="op">|</span><span class="ident">symbol</span><span class="op">|</span> {
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<span class="comment">// ...</span>
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});
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<span class="bool-val">false</span> <span class="comment">// only look at the top frame</span>
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});
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}</pre>
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</div></section>
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<section id='search' class="content hidden"></section>
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<section class="footer"></section>
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<aside id="help" class="hidden">
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<h1 class="hidden">Help</h1>
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<div class="shortcuts">
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<h2>Keyboard Shortcuts</h2>
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<div class="infos">
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<h2>Search Tricks</h2>
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Prefix searches with a type followed by a colon (e.g.
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Accepted types are: <code>fn</code>, <code>mod</code>,
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and <code>const</code>.
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Search functions by type signature (e.g.
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<script>
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window.rootPath = "../";
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