This will help you to remain function, const and var in your project even they are NOT used.
General steps are as the follows.
1. Used wizard of S32DS to generate your project.
2. Added sections that you would like to store your functions, const and var
3. Write your function, defined your const and var
4. Compiled the project and check the output, like *.map and *.srec
Details could be found as attachments.
Original Attachment has been moved to: S32K144_07_Const_Var.zip