private long getFuncDataPtr(int tableIndex) throws IOException {
		// hacky, since both pcdata and funcdata are sequential int32[] arrays, just reuse logic
		// for first one to index into second one
		return getPcDataStart(npcdata + tableIndex);
	}
Returns the Ghidra function that corresponds to this go function.

@return Ghidra {@link Function}, or null if there is no Ghidra function at the address
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/rtti/GoFuncData.java