how to make your own GNU linker and Starup file?

Hi, Where can I get some info on how to make my own GNU startup and linker script file?
how to make your own GNU linker and Starup file?

Hi, Where can I get some info on how to make my own GNU startup and linker script file?
Keil files for project

I bought some Silicon Labs C8051 boards, equipment, and PC for someone recently and am going through a computer now. I found some SW - created by Silicon Labs for the C8051F340 board I'm playing with...
Keil files for project

I bought some Silicon Labs C8051 boards, equipment, and PC for someone recently and am going through a computer now. I found some SW - created by Silicon Labs for the C8051F340 board I'm playing with...
Different Keil Versions produce different .Hex files for the same code. Keil-4 Vs Keil-5??

Will the .hex files be different if there is any change in the Keil version.