65 lines
2.9 KiB
HTML
65 lines
2.9 KiB
HTML
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<title>Lcomm - Using as</title>
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<link rel="up" href="Pseudo-Ops.html#Pseudo-Ops" title="Pseudo Ops">
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<link rel="prev" href="Irpc.html#Irpc" title="Irpc">
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<!--
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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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or any later version published by the Free Software Foundation;
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</head>
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<body>
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<div class="node">
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<a name="Lcomm"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Lflags.html#Lflags">Lflags</a>,
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Previous: <a rel="previous" accesskey="p" href="Irpc.html#Irpc">Irpc</a>,
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Up: <a rel="up" accesskey="u" href="Pseudo-Ops.html#Pseudo-Ops">Pseudo Ops</a>
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<hr>
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</div>
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<h3 class="section">7.51 <code>.lcomm </code><var>symbol</var><code> , </code><var>length</var></h3>
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<p><a name="index-g_t_0040code_007blcomm_007d-directive-389"></a><a name="index-local-common-symbols-390"></a><a name="index-symbols_002c-local-common-391"></a>Reserve <var>length</var> (an absolute expression) bytes for a local common
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denoted by <var>symbol</var>. The section and value of <var>symbol</var> are
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those of the new local common. The addresses are allocated in the bss
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section, so that at run-time the bytes start off zeroed. <var>Symbol</var>
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is not declared global (see <a href="Global.html#Global"><code>.global</code></a>), so is normally
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not visible to <code>ld</code>.
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<p>Some targets permit a third argument to be used with <code>.lcomm</code>. This
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argument specifies the desired alignment of the symbol in the bss section.
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<p>The syntax for <code>.lcomm</code> differs slightly on the HPPA. The syntax is
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‘<samp><var>symbol</var><span class="samp"> .lcomm, </span><var>length</var></samp>’; <var>symbol</var> is optional.
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</body></html>
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