added support for gdb.
added support for gdb.

git-svn-id: e73c8432560a29173e2a5a19c6413d8f5aa32dee@46 78f6c469-4e3a-0410-bca2-dfd793a85426

samueldotj/AceOS,samueldotj/AceOS,samueldotj/AceOS,samueldotj/AceOS