toolchain/share/doc/gdb/OpenRISC-1000-Features.html

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<h4 class="subsection">G.5.10 Openrisc 1000 Features</h4>
<p><a name="index-target-descriptions_002c-OpenRISC-1000-features-3667"></a>
The &lsquo;<samp><span class="samp">org.gnu.gdb.or1k.group0</span></samp>&rsquo; feature is required for OpenRISC 1000
targets. It should contain the 32 general purpose registers (&lsquo;<samp><span class="samp">r0</span></samp>&rsquo;
through &lsquo;<samp><span class="samp">r31</span></samp>&rsquo;), &lsquo;<samp><span class="samp">ppc</span></samp>&rsquo;, &lsquo;<samp><span class="samp">npc</span></samp>&rsquo; and &lsquo;<samp><span class="samp">sr</span></samp>&rsquo;.
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