The "Open On-Chip Debugger" provides JTAG/SWD access from GDB (or directly with TCL scripts) to processors with ARM and MIPS based cores.
See website for full list of supported targets.
Programming language designed to simplify the development of small and large-scale networked applications. PROSE includes an execution engine and language that compiles into platform-independent bytecode. Bytecode can also be assembled directly.