-object.c)">create-diff-object.c</a></a></h4>
<p>This file contains the heart of the ELF object differencing engine.</p>
<ul>
<li>The tool takes two ELF objects from two versions of the same source file.
<ul>
<li>a &quot;base&quot; object and a &quot;patched&quot; object</li>
</ul>
</li>
<li>These object need to have been compiled with the GCC options.
<ul>
<li>-ffunction-sections and -fdata-sections</li>
</ul>
</li>
<li>The tool compares the objects at a section level to determine what sections have change