private boolean isPlaceHolderFunctionThatShouldBeFixed(Program program, Listing listing, Symbol funcSymbol) {
		Function func = program.getFunctionManager().getFunctionAt(funcSymbol.getAddress());

		if (func == null) {
			return false;
		}
		if (func.getBody().getNumAddresses() > 1) {
			return false;
		}
		Instruction instr = listing.getInstructionAt(func.getEntryPoint());
		if (instr == null) {
			return false;
		}
		// if instruction length longer than the body, or the instruction isn't terminal
		if (instr.getLength() > 1 || !instr.getFlowType().isTerminal()) {
			return true;
		}
		return false;
	}
check if the function body exists, and is a place holder single byte function that needs to be fixed.

@return true is this is a single address place holder function that needs fixing
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/function/FunctionAnalyzer.java