<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>llvm-dwarfdump - dump and verify DWARF debug information — LLVM 8 documentation</title>
<link rel="stylesheet" href="../_static/llvm-theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
<script type="text/javascript" src="../_static/jquery.js"></script>
<script type="text/javascript" src="../_static/underscore.js"></script>
<script type="text/javascript" src="../_static/doctools.js"></script>
<script type="text/javascript" src="../_static/language_data.js"></script>
<link rel="index" title="Index" href="../genindex.html" />
<link rel="search" title="Search" href="../search.html" />
<link rel="next" title="dsymutil - manipulate archived DWARF debug symbol files" href="dsymutil.html" />
<link rel="prev" title="llvm-symbolizer - convert addresses into source code locations" href="llvm-symbolizer.html" />
<style type="text/css">
table.right { float: right; margin-left: 20px; }
table.right td { border: 1px solid #ccc; }
</style>
</head><body>
<div class="logo">
<a href="../index.html">
<img src="../_static/logo.png"
alt="LLVM Logo" width="250" height="88"/></a>
</div>
<div class="related" role="navigation" aria-label="related navigation">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
accesskey="I">index</a></li>
<li class="right" >
<a href="dsymutil.html" title="dsymutil - manipulate archived DWARF debug symbol files"
accesskey="N">next</a> |</li>
<li class="right" >
<a href="llvm-symbolizer.html" title="llvm-symbolizer - convert addresses into source code locations"
accesskey="P">previous</a> |</li>
<li><a href="http://llvm.org/">LLVM Home</a> | </li>
<li><a href="../index.html">Documentation</a>»</li>
<li class="nav-item nav-item-1"><a href="index.html" accesskey="U">LLVM Command Guide</a> »</li>
</ul>
</div>
<div class="document">
<div class="documentwrapper">
<div class="body" role="main">
<div class="section" id="llvm-dwarfdump-dump-and-verify-dwarf-debug-information">
<h1>llvm-dwarfdump - dump and verify DWARF debug information<a class="headerlink" href="#llvm-dwarfdump-dump-and-verify-dwarf-debug-information" title="Permalink to this headline">¶</a></h1>
<div class="section" id="synopsis">
<h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
<p><strong class="program">llvm-dwarfdump</strong> [<em>options</em>] [<em>filename …</em>]</p>
</div>
<div class="section" id="description">
<h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
<p><strong class="program">llvm-dwarfdump</strong> parses DWARF sections in object files,
archives, and <cite>.dSYM</cite> bundles and prints their contents in
human-readable form. Only the .debug_info section is printed unless one of
the section-specific options or <a class="reference internal" href="#cmdoption-a"><code class="xref std std-option docutils literal notranslate"><span class="pre">--all</span></code></a> is specified.</p>
</div>
<div class="section" id="options">
<h2>OPTIONS<a class="headerlink" href="#options" title="Permalink to this headline">¶</a></h2>
<dl class="option">
<dt id="cmdoption-a">
<code class="descname">-a</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--all</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-a" title="Permalink to this definition">¶</a></dt>
<dd><p>Disassemble all supported DWARF sections.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-arch">
<code class="descname">--arch</code><code class="descclassname">=<arch></code><a class="headerlink" href="#cmdoption-arch" title="Permalink to this definition">¶</a></dt>
<dd><p>Dump DWARF debug information for the specified CPU architecture.
Architectures may be specified by name or by number. This
option can be specified multiple times, once for each desired
architecture. All CPU architectures will be printed by
default.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-c">
<code class="descname">-c</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--show-children</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-c" title="Permalink to this definition">¶</a></dt>
<dd><p>Show a debug info entry’s children when using
the <a class="reference internal" href="#cmdoption-debug-abbrev"><code class="xref std std-option docutils literal notranslate"><span class="pre">--debug-info</span></code></a>, <a class="reference internal" href="#cmdoption-f"><code class="xref std std-option docutils literal notranslate"><span class="pre">--find</span></code></a>,
and <a class="reference internal" href="#cmdoption-n"><code class="xref std std-option docutils literal notranslate"><span class="pre">--name</span></code></a> options.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-f">
<code class="descname">-f</code><code class="descclassname"> <name></code><code class="descclassname">, </code><code class="descname">--find</code><code class="descclassname">=<name></code><a class="headerlink" href="#cmdoption-f" title="Permalink to this definition">¶</a></dt>
<dd><p>Search for the exact text <name> in the accelerator tables
and print the matching debug information entries.
When there is no accelerator tables or the name of the DIE
you are looking for is not found in the accelerator tables,
try using the slower but more complete <a class="reference internal" href="#cmdoption-n"><code class="xref std std-option docutils literal notranslate"><span class="pre">--name</span></code></a> option.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-show-form">
<code class="descname">-F</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--show-form</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-show-form" title="Permalink to this definition">¶</a></dt>
<dd><p>Show DWARF form types after the DWARF attribute types.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-h">
<code class="descname">-h</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--help</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-h" title="Permalink to this definition">¶</a></dt>
<dd><p>Show help and usage for this command.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-i">
<code class="descname">-i</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--ignore-case</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-i" title="Permalink to this definition">¶</a></dt>
<dd><p>Ignore case distinctions in when searching entries by name
or by regular expression.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-n">
<code class="descname">-n</code><code class="descclassname"> <pattern></code><code class="descclassname">, </code><code class="descname">--name</code><code class="descclassname">=<pattern></code><a class="headerlink" href="#cmdoption-n" title="Permalink to this definition">¶</a></dt>
<dd><p>Find and print all debug info entries whose name
(<cite>DW_AT_name</cite> attribute) matches the exact text in
<pattern>. Use the <a class="reference internal" href="#cmdoption-x"><code class="xref std std-option docutils literal notranslate"><span class="pre">--regex</span></code></a> option to have
<pattern> become a regular expression for more flexible
pattern matching.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-lookup">
<code class="descname">--lookup</code><code class="descclassname">=<address></code><a class="headerlink" href="#cmdoption-lookup" title="Permalink to this definition">¶</a></dt>
<dd><p>Lookup <address> in the debug information and print out the file,
function, block, and line table details.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-o">
<code class="descname">-o</code><code class="descclassname"> <path></code><code class="descclassname">, </code><code class="descname">--out-file</code><code class="descclassname">=<path></code><a class="headerlink" href="#cmdoption-o" title="Permalink to this definition">¶</a></dt>
<dd><p>Redirect output to a file specified by <path>.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-p">
<code class="descname">-p</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--show-parents</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-p" title="Permalink to this definition">¶</a></dt>
<dd><p>Show a debug info entry’s parent objects when using the
<a class="reference internal" href="#cmdoption-debug-abbrev"><code class="xref std std-option docutils literal notranslate"><span class="pre">--debug-info</span></code></a>, <a class="reference internal" href="#cmdoption-f"><code class="xref std std-option docutils literal notranslate"><span class="pre">--find</span></code></a>, and
<a class="reference internal" href="#cmdoption-n"><code class="xref std std-option docutils literal notranslate"><span class="pre">--name</span></code></a> options.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-r">
<code class="descname">-r</code><code class="descclassname"> <n></code><code class="descclassname">, </code><code class="descname">--recurse-depth</code><code class="descclassname">=<n></code><a class="headerlink" href="#cmdoption-r" title="Permalink to this definition">¶</a></dt>
<dd><p>Only recurse to a maximum depth of <n> when dumping debug info
entries.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-statistics">
<code class="descname">--statistics</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-statistics" title="Permalink to this definition">¶</a></dt>
<dd><p>Collect debug info quality metrics and print the results
as machine-readable single-line JSON output.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-x">
<code class="descname">-x</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--regex</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-x" title="Permalink to this definition">¶</a></dt>
<dd><p>Treat any <pattern> strings as regular expressions when searching
instead of just as an exact string match.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-u">
<code class="descname">-u</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--uuid</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-u" title="Permalink to this definition">¶</a></dt>
<dd><p>Show the UUID for each architecture.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-diff">
<code class="descname">--diff</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-diff" title="Permalink to this definition">¶</a></dt>
<dd><p>Dump the output in a format that is more friendly for comparing
DWARF output from two different files.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-v">
<code class="descname">-v</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--verbose</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-v" title="Permalink to this definition">¶</a></dt>
<dd><p>Display verbose information when dumping. This can help to debug
DWARF issues.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-verify">
<code class="descname">--verify</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-verify" title="Permalink to this definition">¶</a></dt>
<dd><p>Verify the structure of the DWARF information by verifying the
compile unit chains, DIE relationships graph, address
ranges, and more.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-version">
<code class="descname">--version</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-version" title="Permalink to this definition">¶</a></dt>
<dd><p>Display the version of the tool.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-debug-abbrev">
<code class="descname">--debug-abbrev</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-aranges</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-cu-index</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-frame</code><code class="descclassname"> [=<offset>]</code><code class="descclassname">, </code><code class="descname">--debug-gnu-pubnames</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-gnu-pubtypes</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-info</code><code class="descclassname"> [=<offset>]</code><code class="descclassname">, </code><code class="descname">--debug-line</code><code class="descclassname"> [=<offset>]</code><code class="descclassname">, </code><code class="descname">--debug-loc</code><code class="descclassname"> [=<offset>]</code><code class="descclassname">, </code><code class="descname">--debug-macro</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-pubnames</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-pubtypes</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-ranges</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-str</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-str-offsets</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-tu-index</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug-types</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--eh-frame</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--gdb-index</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--apple-names</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--apple-types</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--apple-namespaces</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--apple-objc</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-debug-abbrev" title="Permalink to this definition">¶</a></dt>
<dd><p>Dump the specified DWARF section by name. Only the
<cite>.debug_info</cite> section is shown by default. Some entries
support adding an <cite>=<offset></cite> as a way to provide an
optional offset of the exact entry to dump within the
respective section. When an offset is provided, only the
entry at that offset will be dumped, else the entire
section will be dumped. Children of items at a specific
offset can be dumped by also using the
<a class="reference internal" href="#cmdoption-c"><code class="xref std std-option docutils literal notranslate"><span class="pre">--show-children</span></code></a> option where applicable.</p>
</dd></dl>
</div>
<div class="section" id="exit-status">
<h2>EXIT STATUS<a class="headerlink" href="#exit-status" title="Permalink to this headline">¶</a></h2>
<p><strong class="program">llvm-dwarfdump</strong> returns 0 if the input files were parsed and dumped
successfully. Otherwise, it returns 1.</p>
</div>
<div class="section" id="see-also">
<h2>SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline">¶</a></h2>
<p><em class="manpage"><a class="manpage reference external" href="https://llvm.org/docs/CommandGuide/dsymutil.html">dsymutil(1)</a></em></p>
</div>
</div>
</div>
</div>
<div class="clearer"></div>
</div>
<div class="related" role="navigation" aria-label="related navigation">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
>index</a></li>
<li class="right" >
<a href="dsymutil.html" title="dsymutil - manipulate archived DWARF debug symbol files"
>next</a> |</li>
<li class="right" >
<a href="llvm-symbolizer.html" title="llvm-symbolizer - convert addresses into source code locations"
>previous</a> |</li>
<li><a href="http://llvm.org/">LLVM Home</a> | </li>
<li><a href="../index.html">Documentation</a>»</li>
<li class="nav-item nav-item-1"><a href="index.html" >LLVM Command Guide</a> »</li>
</ul>
</div>
<div class="footer" role="contentinfo">
© Copyright 2003-2020, LLVM Project.
Last updated on 2020-09-07.
Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.8.4.
</div>
</body>
</html>
distrib
>
Mageia
>
7
>
i586
>
media
>
core-updates
>
by-pkgid
>
d635a8cd705396ade48f1d2b830a115d
>
files
>
1977
