The ARM compiler to compile all Thumb C or C++ files in Thumb state.

The ARM assembler to assemble all files with a .s filename extension. By default, the Thumb Executable Image stationery configures the assembler to assemble for Thumb. See the RealView Compilation Tools Assembler Guide for information on switching the assembler to compile ARM code.

The ARM linker to link a simple executable ELF image.

The RealView Debugger to debug and run executable images output by the project.