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- <p>
- Next: <a href="M.html#M" accesskey="n" rel="next">M</a>, Previous: <a href="L.html#L" accesskey="p" rel="prev">L</a>, Up: <a href="Invoking.html#Invoking" accesskey="u" rel="up">Invoking</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
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- <a name="Configuring-listing-output_003a-_002d_002dlisting"></a>
- <h3 class="section">2.8 Configuring listing output: <samp>--listing</samp></h3>
-
- <p>The listing feature of the assembler can be enabled via the command-line switch
- ‘<samp>-a</samp>’ (see <a href="a.html#a">a</a>). This feature combines the input source file(s) with a
- hex dump of the corresponding locations in the output object file, and displays
- them as a listing file. The format of this listing can be controlled by
- directives inside the assembler source (i.e., <code>.list</code> (see <a href="List.html#List">List</a>),
- <code>.title</code> (see <a href="Title.html#Title">Title</a>), <code>.sbttl</code> (see <a href="Sbttl.html#Sbttl">Sbttl</a>),
- <code>.psize</code> (see <a href="Psize.html#Psize">Psize</a>), and
- <code>.eject</code> (see <a href="Eject.html#Eject">Eject</a>) and also by the following switches:
- </p>
- <dl compact="compact">
- <dt><code>--listing-lhs-width=‘<samp>number</samp>’</code></dt>
- <dd><a name="index-_002d_002dlisting_002dlhs_002dwidth"></a>
- <a name="index-Width-of-first-line-disassembly-output"></a>
- <p>Sets the maximum width, in words, of the first line of the hex byte dump. This
- dump appears on the left hand side of the listing output.
- </p>
- </dd>
- <dt><code>--listing-lhs-width2=‘<samp>number</samp>’</code></dt>
- <dd><a name="index-_002d_002dlisting_002dlhs_002dwidth2"></a>
- <a name="index-Width-of-continuation-lines-of-disassembly-output"></a>
- <p>Sets the maximum width, in words, of any further lines of the hex byte dump for
- a given input source line. If this value is not specified, it defaults to being
- the same as the value specified for ‘<samp>--listing-lhs-width</samp>’. If neither
- switch is used the default is to one.
- </p>
- </dd>
- <dt><code>--listing-rhs-width=‘<samp>number</samp>’</code></dt>
- <dd><a name="index-_002d_002dlisting_002drhs_002dwidth"></a>
- <a name="index-Width-of-source-line-output"></a>
- <p>Sets the maximum width, in characters, of the source line that is displayed
- alongside the hex dump. The default value for this parameter is 100. The
- source line is displayed on the right hand side of the listing output.
- </p>
- </dd>
- <dt><code>--listing-cont-lines=‘<samp>number</samp>’</code></dt>
- <dd><a name="index-_002d_002dlisting_002dcont_002dlines"></a>
- <a name="index-Maximum-number-of-continuation-lines"></a>
- <p>Sets the maximum number of continuation lines of hex dump that will be
- displayed for a given single line of source input. The default value is 4.
- </p></dd>
- </dl>
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