One decade ago, rich client system is developed based on each OS. Still using, Visual studio on Widows system and xcode on OSX system. Eclipse is standard on Java society as well. This movement is applied embedded too. Eclipse is common front-end not only Java development but also embedded development. GCC would be used same context, it means GCC is common language for embedded development. No differentiation ARM development ? Rather than easy to development SDK, if you know register and memory map as well.

　Various free tool-chain for ARM we can get. In this time, we use this tool-chain for development.

Do not forget path setting to .bash_profile on your home directory as well.