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(gdb.info)ST2000

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Tandem ST2000
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   GDB may be used with a Tandem ST2000 phone switch, running Tandem's
STDBUG protocol.

   To connect your ST2000 to the host system, see the manufacturer's
manual.  Once the ST2000 is physically attached, you can run:

     target st2000 DEV SPEED

to establish it as your debugging environment.  DEV is normally the
name of a serial device, such as `/dev/ttya', connected to the ST2000
via a serial line.  You can instead specify DEV as a TCP connection
(for example, to a serial line attached via a terminal concentrator)
using the syntax `HOSTNAME:PORTNUMBER'.

   The `load' and `attach' commands are _not_ defined for this target;
you must load your program into the ST2000 as you normally would for
standalone operation.  GDB reads debugging information (such as
symbols) from a separate, debugging version of the program available on
your host computer.

   These auxiliary GDB commands are available to help you with the
ST2000 environment:

`st2000 COMMAND'
     Send a COMMAND to the STDBUG monitor.  See the manufacturer's
     manual for available commands.

`connect'
     Connect the controlling terminal to the STDBUG command monitor.
     When you are done interacting with STDBUG, typing either of two
     character sequences gets you back to the GDB command prompt:
     `<RET>~.' (Return, followed by tilde and period) or `<RET>~<C-d>'
     (Return, followed by tilde and control-D).