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118 lines
5.3 KiB
HTML
118 lines
5.3 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- This file documents the GNU Assembler "as".
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Copyright (C) 1991-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3
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or any later version published by the Free Software Foundation;
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with no Invariant Sections, with no Front-Cover Texts, and with no
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Back-Cover Texts. A copy of the license is included in the
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section entitled "GNU Free Documentation License".
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-->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>listing (Using as)</title>
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<meta name="description" content="listing (Using as)">
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<meta name="keywords" content="listing (Using as)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="AS-Index.html#AS-Index" rel="index" title="AS Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Invoking.html#Invoking" rel="up" title="Invoking">
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<link href="M.html#M" rel="next" title="M">
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<link href="L.html#L" rel="prev" title="L">
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<style type="text/css">
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<!--
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a.summary-letter {text-decoration: none}
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blockquote.indentedblock {margin-right: 0em}
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blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
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blockquote.smallquotation {font-size: smaller}
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div.display {margin-left: 3.2em}
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div.example {margin-left: 3.2em}
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div.lisp {margin-left: 3.2em}
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div.smalldisplay {margin-left: 3.2em}
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div.smallexample {margin-left: 3.2em}
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div.smalllisp {margin-left: 3.2em}
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kbd {font-style: oblique}
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pre.display {font-family: inherit}
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pre.format {font-family: inherit}
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pre.menu-comment {font-family: serif}
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pre.menu-preformatted {font-family: serif}
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pre.smalldisplay {font-family: inherit; font-size: smaller}
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pre.smallexample {font-size: smaller}
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pre.smallformat {font-family: inherit; font-size: smaller}
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pre.smalllisp {font-size: smaller}
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span.nolinebreak {white-space: nowrap}
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span.roman {font-family: initial; font-weight: normal}
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span.sansserif {font-family: sans-serif; font-weight: normal}
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ul.no-bullet {list-style: none}
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-->
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</style>
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</head>
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<body lang="en">
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<a name="listing"></a>
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<div class="header">
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<p>
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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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</div>
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<hr>
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<a name="Configuring-listing-output_003a-_002d_002dlisting"></a>
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<h3 class="section">2.8 Configuring listing output: <samp>--listing</samp></h3>
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<p>The listing feature of the assembler can be enabled via the command-line switch
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‘<samp>-a</samp>’ (see <a href="a.html#a">a</a>). This feature combines the input source file(s) with a
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hex dump of the corresponding locations in the output object file, and displays
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them as a listing file. The format of this listing can be controlled by
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directives inside the assembler source (i.e., <code>.list</code> (see <a href="List.html#List">List</a>),
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<code>.title</code> (see <a href="Title.html#Title">Title</a>), <code>.sbttl</code> (see <a href="Sbttl.html#Sbttl">Sbttl</a>),
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<code>.psize</code> (see <a href="Psize.html#Psize">Psize</a>), and
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<code>.eject</code> (see <a href="Eject.html#Eject">Eject</a>) and also by the following switches:
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</p>
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<dl compact="compact">
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<dt><code>--listing-lhs-width=‘<samp>number</samp>’</code></dt>
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<dd><a name="index-_002d_002dlisting_002dlhs_002dwidth"></a>
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<a name="index-Width-of-first-line-disassembly-output"></a>
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<p>Sets the maximum width, in words, of the first line of the hex byte dump. This
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dump appears on the left hand side of the listing output.
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</p>
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</dd>
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<dt><code>--listing-lhs-width2=‘<samp>number</samp>’</code></dt>
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<dd><a name="index-_002d_002dlisting_002dlhs_002dwidth2"></a>
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<a name="index-Width-of-continuation-lines-of-disassembly-output"></a>
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<p>Sets the maximum width, in words, of any further lines of the hex byte dump for
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a given input source line. If this value is not specified, it defaults to being
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the same as the value specified for ‘<samp>--listing-lhs-width</samp>’. If neither
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switch is used the default is to one.
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</p>
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</dd>
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<dt><code>--listing-rhs-width=‘<samp>number</samp>’</code></dt>
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<dd><a name="index-_002d_002dlisting_002drhs_002dwidth"></a>
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<a name="index-Width-of-source-line-output"></a>
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<p>Sets the maximum width, in characters, of the source line that is displayed
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alongside the hex dump. The default value for this parameter is 100. The
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source line is displayed on the right hand side of the listing output.
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</p>
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</dd>
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<dt><code>--listing-cont-lines=‘<samp>number</samp>’</code></dt>
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<dd><a name="index-_002d_002dlisting_002dcont_002dlines"></a>
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<a name="index-Maximum-number-of-continuation-lines"></a>
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<p>Sets the maximum number of continuation lines of hex dump that will be
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displayed for a given single line of source input. The default value is 4.
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</p></dd>
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</dl>
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</body>
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</html>
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