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@c
@c COPYRIGHT (c) 1988-1999.
@c On-Line Applications Research Corporation (OAR).
@c All rights reserved.
@c
@c $Id$
@c
@chapter Software Architecture
RTEMS/GDB host-target debugger is architectured around:
@itemize @bullet
@item One debugger, running on the host.
@item One debug server, running on the target.
@end itemize
The host debugger communicates with the debug server using Sun RPC
over UDP/IP (Ethernet).
When opening a debugging session, the user takes the control over
the entire target system. The target system is viewed as a single multi-threaded
process.
The debugger can observe the state of the system objects, without
stopping the entire system. However, breakpoints and stepping affect (stop)
the entire system.
For a given target, only one single system debugging session is possible
at a time.
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