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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="This crate provides a cross-platform library and binary for translating addresses into function names, file names and line numbers. Given an address in an executable or an offset in a section of a relocatable object, it uses the debugging information to figure out which file name and line number are associated with it."><title>addr2line - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="addr2line" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="../crates.js"></script><script defer src="../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc mod crate"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../addr2line/index.html">addr2line</a><span class="version">0.21.0</span></h2></div><div class="sidebar-elems"><ul class="block">
<li><a id="all-types" href="all.html">All Items</a></li></ul><section><ul class="block"><li><a href="#reexports">Re-exports</a></li><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li><li><a href="#traits">Traits</a></li><li><a href="#functions">Functions</a></li></ul></section></div></nav><div class="sidebar-resizer"></div>
<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../addr2line/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Crate <a class="mod" href="#">addr2line</a><button id="copy-path" title="Copy item path to clipboard"><img src="../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../src/addr2line/lib.rs.html#1-1729">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>This crate provides a cross-platform library and binary for translating addresses into
function names, file names and line numbers. Given an address in an executable or an
offset in a section of a relocatable object, it uses the debugging information to
figure out which file name and line number are associated with it.</p>
<p>When used as a library, files must first be loaded using the
<a href="https://github.com/gimli-rs/object"><code>object</code></a> crate.
A context can then be created with <a href="./struct.Context.html#method.new"><code>Context::new</code></a>.
The context caches some of the parsed information so that multiple lookups are
efficient.
Location information is obtained with
<a href="./struct.Context.html#method.find_location"><code>Context::find_location</code></a> or
<a href="./struct.Context.html#method.find_location_range"><code>Context::find_location_range</code></a>.
Function information is obtained with
<a href="./struct.Context.html#method.find_frames"><code>Context::find_frames</code></a>, which returns
a frame for each inline function. Each frame contains both name and location.</p>
<p>The crate has an example CLI wrapper around the library which provides some of
the functionality of the <code>addr2line</code> command line tool distributed with <a href="https://www.gnu.org/software/binutils/">GNU
binutils</a>.</p>
<p>Currently this library only provides information from the DWARF debugging information,
which is parsed using <a href="https://github.com/gimli-rs/gimli"><code>gimli</code></a>. The example CLI
wrapper also uses symbol table information provided by the <code>object</code> crate.</p>
</div></details><h2 id="reexports" class="section-header"><a href="#reexports">Re-exports</a></h2><ul class="item-table"><li><div class="item-name"><code>pub extern crate <a class="mod" href="../gimli/index.html" title="mod gimli">gimli</a>;</code></div></li></ul><h2 id="structs" class="section-header"><a href="#structs">Structs</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.Context.html" title="struct addr2line::Context">Context</a></div><div class="desc docblock-short">The state necessary to perform address to line translation.</div></li><li><div class="item-name"><a class="struct" href="struct.Frame.html" title="struct addr2line::Frame">Frame</a></div><div class="desc docblock-short">A function frame.</div></li><li><div class="item-name"><a class="struct" href="struct.FrameIter.html" title="struct addr2line::FrameIter">FrameIter</a></div><div class="desc docblock-short">An iterator over function frames.</div></li><li><div class="item-name"><a class="struct" href="struct.FunctionName.html" title="struct addr2line::FunctionName">FunctionName</a></div><div class="desc docblock-short">A function name.</div></li><li><div class="item-name"><a class="struct" href="struct.Location.html" title="struct addr2line::Location">Location</a></div><div class="desc docblock-short">A source location.</div></li><li><div class="item-name"><a class="struct" href="struct.LocationRangeIter.html" title="struct addr2line::LocationRangeIter">LocationRangeIter</a></div><div class="desc docblock-short">Iterator over <code>Location</code>s in a range of addresses, returned by <code>Context::find_location_range</code>.</div></li><li><div class="item-name"><a class="struct" href="struct.SplitDwarfLoad.html" title="struct addr2line::SplitDwarfLoad">SplitDwarfLoad</a></div><div class="desc docblock-short">This struct contains the information needed to find split DWARF data
and to produce a <code>gimli::Dwarf&lt;R&gt;</code> for it.</div></li></ul><h2 id="enums" class="section-header"><a href="#enums">Enums</a></h2><ul class="item-table"><li><div class="item-name"><a class="enum" href="enum.LookupResult.html" title="enum addr2line::LookupResult">LookupResult</a></div><div class="desc docblock-short">Operations that consult debug information may require additional files
to be loaded if split DWARF is being used. This enum returns the result
of the operation in the <code>Break</code> variant, or information about the split
DWARF that is required and a continuation to invoke once it is available
in the <code>Continue</code> variant.</div></li></ul><h2 id="traits" class="section-header"><a href="#traits">Traits</a></h2><ul class="item-table"><li><div class="item-name"><a class="trait" href="trait.LookupContinuation.html" title="trait addr2line::LookupContinuation">LookupContinuation</a></div><div class="desc docblock-short">This trait represents a partially complete operation that can be resumed
once a load of needed split DWARF data is completed or abandoned by the
API consumer.</div></li></ul><h2 id="functions" class="section-header"><a href="#functions">Functions</a></h2><ul class="item-table"><li><div class="item-name"><a class="fn" href="fn.demangle.html" title="fn addr2line::demangle">demangle</a></div><div class="desc docblock-short">Demangle a symbol name using the demangling scheme for the given language.</div></li><li><div class="item-name"><a class="fn" href="fn.demangle_auto.html" title="fn addr2line::demangle_auto">demangle_auto</a></div><div class="desc docblock-short">Apply ‘best effort’ demangling of a symbol name.</div></li></ul></section></div></main></body></html>
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