Generating hex file using gcc

Question

I have a small C function and I want to make a hex file for it.

Running

gcc -c in.c 

makes an object file But I need hex file for this standalone function. I need to put this on a separate location, so that I can simply JMP to this location from my main code. But I want this to be in hex format.

I cant do a -

gcc -c in.c -o in.hex 

This is not working.. Please help me out..

Answer 1

By using objcopy we can make hex file

gcc -c example.c

objcopy --change-address 0xE0000 -O ihex example.o example.hex

it will generate example.hex file

use Bless Hex Editor to see the .hex file clearly

Answer 2

First you need to use the linker ld to create a raw binary binary file. Then use objcopy to create the hex file.