Library /sys$common/syshlp/DBG$HELP.HLB  —  DEBUG  GO  Description
    The GO command starts program execution or resumes execution from
    the point at which it is currently suspended. GO is one of the
    four debugger commands that can be used to execute your program
    (the others are CALL, EXIT, and STEP).

    Specifying an address expression with the GO command can produce
    unexpected results because it alters the normal control flow
    of your program. For example, during a debugging session
    you can restart execution at the beginning of the program by
    entering the GO %LINE 1 command. However, because the program has
    executed, the contents of some variables might now be initialized
    differently from when you first ran the program.

    If an exception breakpoint is triggered (resulting from a SET
    BREAK/EXCEPTION or a STEP/EXCEPTION command), execution is
    suspended before any application-declared condition handler is
    invoked. If you then resume execution with the GO command, the
    behavior is as follows:

    o  Entering a GO command to resume execution from the current
       location causes the debugger to resignal the exception. This
       enables you to observe which application-declared handler, if
       any, next handles the exception.

    o  Entering a GO command to resume execution from a location
       other than the current location inhibits the execution of any
       application-declared handler for that exception.

    If you are debugging a multiprocess program, the GO command is
    executed in the context of the current process set. In addition,
    when debugging a multiprocess program, the way in which execution
    continues in your process depends on whether you entered a SET
    MODE [NO]INTERRUPT command or a SET MODE [NO]WAIT command. By
    default (SET MODE NOINTERRUPT), when one process stops, the
    debugger takes no action with regard to the other processes.
    Also by default (SET MODE WAIT), the debugger waits until all
    process in the current process set have stopped before prompting
    for a new command.

    Related commands:

       CALL
       EXIT
       RERUN
       SET BREAK
       SET MODE [NO]INTERRUPT
       SET MODE [NO]WAIT
       SET PROCESS
       SET STEP
       SET TRACE
       SET WATCH
       STEP
       WAIT
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