The present invention provides inserting and deleting a breakpoint in a parallel processing system. A breakpoint is inserted in a module loaded into the execution environment of an attached processor unit. The breakpoint can be inserted directly. Furthermore, the unloaded image of the module can also...http://www.google.com.au/patents/US7225431?utm_source=gb-gplus-sharePatent US7225431 - Method and apparatus for setting breakpoints when debugging integrated executables in a heterogeneous architecture