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arduinisten/arduino-0018-windows/hardware/tools/avr/doc/binutils/ld.html/Output-Section-Description.html

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2010-03-30 21:53:44 +02:00
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<a name="Output-Section-Description"></a>Next:&nbsp;<a rel="next" accesskey="n" href="Output-Section-Name.html#Output-Section-Name">Output Section Name</a>,
Up:&nbsp;<a rel="up" accesskey="u" href="SECTIONS.html#SECTIONS">SECTIONS</a>
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<h4 class="subsection">3.6.1 Output Section Description</h4>
<p>The full description of an output section looks like this:
<pre class="smallexample"> <var>section</var> [<var>address</var>] [(<var>type</var>)] :
[AT(<var>lma</var>)] [ALIGN(<var>section_align</var>)] [SUBALIGN(<var>subsection_align</var>)]
{
<var>output-section-command</var>
<var>output-section-command</var>
...
} [&gt;<var>region</var>] [AT&gt;<var>lma_region</var>] [:<var>phdr</var> :<var>phdr</var> ...] [=<var>fillexp</var>]
</pre>
<p>Most output sections do not use most of the optional section attributes.
<p>The whitespace around <var>section</var> is required, so that the section
name is unambiguous. The colon and the curly braces are also required.
The line breaks and other white space are optional.
<p>Each <var>output-section-command</var> may be one of the following:
<ul>
<li>a symbol assignment (see <a href="Assignments.html#Assignments">Assignments</a>)
<li>an input section description (see <a href="Input-Section.html#Input-Section">Input Section</a>)
<li>data values to include directly (see <a href="Output-Section-Data.html#Output-Section-Data">Output Section Data</a>)
<li>a special output section keyword (see <a href="Output-Section-Keywords.html#Output-Section-Keywords">Output Section Keywords</a>)
</ul>
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