private static String[] getCallFixupNames(Function function) {
		String[] callFixupNames =
			function.getProgram().getCompilerSpec().getPcodeInjectLibrary().getCallFixupNames();
		if (callFixupNames.length == 0) {
			return null;
		}
		return callFixupNames;
	}
Edit function signature for a specified Function
@param tool A reference to the active tool.
@param title The title of the dialog.
@param function the function which is having its signature edited.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/function/EditFunctionSignatureDialog.java