The Remedy debugger was the first embedded system level

debugger A debugger or debugging tool is a computer program used to test and debug other programs (the "target" program). The main use of a debugger is to run the target program under controlled conditions that permit the programmer to track its executi ...

in the world. It offered many features that users take for granted today in the days when having a source level debugger was a luxury. Some of these features include: *

Multiprocessor Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system. The term also refers to the ability of a system to support more than one processor or the ability to allocate tasks between them. There ar ...

operation * Heterogeneous * Distributed * Dynamic thread view of the system * Synchronized debugging for multiple threads * Trace functions * Operating system resource displays * Source and assembly level debugging It started as an academic research project (originally called Melody for debugging the Harmony Operating System). The results were published in one of the early papers on debugging multiprocessor systems. The current version of Unison Operating System continues to use both

gdb The GNU Debugger (GDB) is a portable debugger that runs on many Unix-like systems and works for many programming languages, including Ada, C, C++, Objective-C, Free Pascal, Fortran, Go, and partially others. History GDB was first written by ...

and Remedy debugger.The Integration Toolkit and the Unison Real-Time Operating System, Rowe P.K. Graham D. Donenfeld A. Pagurek B., USENIX Association Winter Conference Highlights 1988, Proceedings starting pg 347, 1988

References

{{Primarysources, date=October 2007 Debuggers