did you mean that I should choose Samsumg/S3C44B0x instead of GDB/SkyEye?
and there are also a test suite for S3C44B0X in the SkeyEye test-suite 2.2.0 running in uClinux, so I think uClinux actually support S3C44B0X.
do you have any idea of the cross compiler of arm-elf-tools?