syslink debugging and modifying on CCSv6

Hello,

I tried to make syslink application using OMAP-L138 LCDK, Now, I have successfully compiled and run basic hello world application provided in '../syslink_2_21_01_05/examples/archive/OMAPL138_linux_elf/' folder.

However, when I import hello world project,  project was built without error. But all the c code got errors with a red underline like above.

Also, I'd like to debug both arm-side and dsp-side using gdb.

Anyone know how to remove the red line and debug multicore simultaneously??