on 2021/7/22 上午12:24, abhijeet inamdar via Gcc-help wrote: > Hi, > > I'm getting an error message > Error: .size expression for Reset_Handler does not evaluate to a constant. > Guessing you have the writing ".size Reset_Handler, <value_expression>", the assembler can't evaluate the "<value_expression>" as a constant value. Normally it's written like ".size Reset_Handler, .-Reset_Handler" at the end of function Reset_Handler. BR, Kewen > I'm newbie I don't know how to fix this. Please advise. > > Thanks, > Abhijeet. >