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(gdb.info)Annotations for Running

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Running the Program
===================

   When the program starts executing due to a GDB command such as
`step' or `continue',

     ^Z^Zstarting

   is output.  When the program stops,

     ^Z^Zstopped

   is output.  Before the `stopped' annotation, a variety of
annotations describe how the program stopped.

`^Z^Zexited EXIT-STATUS'
     The program exited, and EXIT-STATUS is the exit status (zero for
     successful exit, otherwise nonzero).

`^Z^Zsignalled'
     The program exited with a signal.  After the `^Z^Zsignalled', the
     annotation continues:

          INTRO-TEXT
          ^Z^Zsignal-name
          NAME
          ^Z^Zsignal-name-end
          MIDDLE-TEXT
          ^Z^Zsignal-string
          STRING
          ^Z^Zsignal-string-end
          END-TEXT

     where NAME is the name of the signal, such as `SIGILL' or
     `SIGSEGV', and STRING is the explanation of the signal, such as
     `Illegal Instruction' or `Segmentation fault'.  INTRO-TEXT,
     MIDDLE-TEXT, and END-TEXT are for the user's benefit and have no
     particular format.

`^Z^Zsignal'
     The syntax of this annotation is just like `signalled', but GDB is
     just saying that the program received the signal, not that it was
     terminated with it.

`^Z^Zbreakpoint NUMBER'
     The program hit breakpoint number NUMBER.

`^Z^Zwatchpoint NUMBER'
     The program hit watchpoint number NUMBER.