Reduce the code size in CCS

Hi,

Here's how you can check you code size:

You can find the static memory usage by inspecting the linker map file that is automatically generated inside the output directory (Debug or Release).

From the project explorer, you can open the output directory and search for a file with extension .map. Among other info, it will show the device's memory regions and their usage.

Regards,

Gautam

Hi Gautam.

         I'm aware of this. But my question is how to reduce the code size, and converting as library will reduce the code size or not. 

        And also we can find the code size by ODF utility by CCS so that's not a issue for me. 

        Let me know how to reduce the code size? and in text. section there is stdio,maths,etc.. header files are there in my project i've used plenty of system header files how to reduce the size of it, is there any compiler option ?

-opt_for_space, -ms =3 doesn't help in all levels i'm getting just 3.5KB free space.

My main question is if i convert the core section as library and use the library of project is will reduce the code size or not?

Sangly,

Are you using the --gen_func_subsections compiler option?

By default, when the linker allocates code, it allocates all the functions in a single source file as a group. This means that if any function in a file is referenced and needs to be linked into the executable, then all the functions in the file are linked in. The --gen_func_subsections option places each function in a file in its own subsection. Thus, only the functions that are referenced in the application will be linked into the final executable. This can result in an overall code size reduction. Please see the C55x Compiler Users Guide for more information on this option.

You could try using this compiler option and see if it helps reduce code size. Other techniques are the usual ones you are already aware of, like trying different optimization levels.