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127 lines
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<html lang="en">
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<title>addr2line - GNU Binary Utilities</title>
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<p>
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<a name="addr2line"></a>Next: <a rel="next" accesskey="n" href="nlmconv.html#nlmconv">nlmconv</a>,
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Previous: <a rel="previous" accesskey="p" href="c_002b_002bfilt.html#c_002b_002bfilt">c++filt</a>,
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Up: <a rel="up" accesskey="u" href="index.html#Top">Top</a>
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<hr><br>
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<h2 class="chapter">10 addr2line</h2>
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<p><a name="index-addr2line-118"></a><a name="index-address-to-file-name-and-line-number-119"></a>
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<!-- man title addr2line convert addresses into file names and line numbers. -->
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<pre class="smallexample"> <!-- man begin SYNOPSIS addr2line -->
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addr2line [<span class="option">-b</span> <var>bfdname</var>|<span class="option">--target=</span><var>bfdname</var>]
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[<span class="option">-C</span>|<span class="option">--demangle</span>[=<var>style</var>]]
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[<span class="option">-e</span> <var>filename</var>|<span class="option">--exe=</span><var>filename</var>]
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[<span class="option">-f</span>|<span class="option">--functions</span>] [<span class="option">-s</span>|<span class="option">--basename</span>]
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[<span class="option">-i</span>|<span class="option">--inlines</span>]
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[<span class="option">-j</span>|<span class="option">--section=</span><var>name</var>]
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[<span class="option">-H</span>|<span class="option">--help</span>] [<span class="option">-V</span>|<span class="option">--version</span>]
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[addr addr ...]
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<!-- man end -->
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</pre>
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<!-- man begin DESCRIPTION addr2line -->
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<p><span class="command">addr2line</span> translates addresses into file names and line numbers.
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Given an address in an executable or an offset in a section of a relocatable
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object, it uses the debugging information to figure out which file name and
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line number are associated with it.
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<p>The executable or relocatable object to use is specified with the <span class="option">-e</span>
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option. The default is the file <span class="file">a.out</span>. The section in the relocatable
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object to use is specified with the <span class="option">-j</span> option.
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<p><span class="command">addr2line</span> has two modes of operation.
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<p>In the first, hexadecimal addresses are specified on the command line,
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and <span class="command">addr2line</span> displays the file name and line number for each
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address.
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<p>In the second, <span class="command">addr2line</span> reads hexadecimal addresses from
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standard input, and prints the file name and line number for each
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address on standard output. In this mode, <span class="command">addr2line</span> may be used
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in a pipe to convert dynamically chosen addresses.
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<p>The format of the output is <span class="samp">FILENAME:LINENO</span>. The file name and
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line number for each address is printed on a separate line. If the
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<span class="command">-f</span> option is used, then each <span class="samp">FILENAME:LINENO</span> line is
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preceded by a <span class="samp">FUNCTIONNAME</span> line which is the name of the function
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containing the address.
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<p>If the file name or function name can not be determined,
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<span class="command">addr2line</span> will print two question marks in their place. If the
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line number can not be determined, <span class="command">addr2line</span> will print 0.
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<!-- man end -->
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<!-- man begin OPTIONS addr2line -->
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<p>The long and short forms of options, shown here as alternatives, are
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equivalent.
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<dl>
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<dt><span class="env">-b </span><var>bfdname</var><dt><span class="env">--target=</span><var>bfdname</var><dd><a name="index-object-code-format-120"></a>Specify that the object-code format for the object files is
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<var>bfdname</var>.
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<br><dt><span class="env">-C</span><dt><span class="env">--demangle[=</span><var>style</var><span class="env">]</span><dd><a name="index-demangling-in-objdump-121"></a>Decode (<dfn>demangle</dfn>) low-level symbol names into user-level names.
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Besides removing any initial underscore prepended by the system, this
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makes C++ function names readable. Different compilers have different
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mangling styles. The optional demangling style argument can be used to
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choose an appropriate demangling style for your compiler. See <a href="c_002b_002bfilt.html#c_002b_002bfilt">c++filt</a>,
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for more information on demangling.
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<br><dt><span class="env">-e </span><var>filename</var><dt><span class="env">--exe=</span><var>filename</var><dd>Specify the name of the executable for which addresses should be
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translated. The default file is <span class="file">a.out</span>.
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<br><dt><span class="env">-f</span><dt><span class="env">--functions</span><dd>Display function names as well as file and line number information.
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<br><dt><span class="env">-s</span><dt><span class="env">--basenames</span><dd>Display only the base of each file name.
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<br><dt><span class="env">-i</span><dt><span class="env">--inlines</span><dd>If the address belongs to a function that was inlined, the source
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information for all enclosing scopes back to the first non-inlined
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function will also be printed. For example, if <code>main</code> inlines
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<code>callee1</code> which inlines <code>callee2</code>, and address is from
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<code>callee2</code>, the source information for <code>callee1</code> and <code>main</code>
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will also be printed.
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<br><dt><span class="env">-j</span><dt><span class="env">--section</span><dd>Read offsets relative to the specified section instead of absolute addresses.
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</dl>
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<!-- man end -->
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</body></html>
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