public static GoRegisterInfoManager getInstance() {
		return SingletonHolder.instance;
	}
XML config file format:
<pre>
	&lt;golang>
		&lt;register_info versions="-1.2,1.3.3-1.4.2,1.8-"> // or "all"
			&lt;int_registers list="RAX,RBX,RCX,RDI,RSI,R8,R9,R10,R11"/>
			&lt;float_registers list="XMM0,XMM1,XMM2,XMM3,XMM4,XMM5,XMM6,XMM7,XMM8,XMM9,XMM10,XMM11,XMM12,XMM13,XMM14"/>
			&lt;stack initialoffset="8" maxalign="8"/>
			&lt;current_goroutine register="R14"/>
			&lt;zero_register register="XMM15" builtin="true|false"/>
			&lt;duffzero dest="RDI" zero_arg="XMM0" zero_type="float|int"/>
			&lt;closurecontext register="RDX" />
		&lt;/register_info>
		&lt;register_info versions="1.2">
			...
		&lt;/register_info>
	&lt;/golang> 
</pre>
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/GoRegisterInfoManager.java