gdb.info: Debugging Output

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Optional messages about internal happenings

`set debug arch'
     Turns on or off display of gdbarch debugging info. The default is
     off
`show debug arch'
     Displays the current state of displaying gdbarch debugging info.
`set debug event'
     Turns on or off display of GDB event debugging info. The default
     is off.
`show debug event'
     Displays the current state of displaying GDB event debugging info.
`set debug expression'
     Turns on or off display of GDB expression debugging info. The
     default is off.
`show debug expression'
     Displays the current state of displaying GDB expression debugging
     info.
`set debug frame'
     Turns on or off display of GDB frame debugging info.  The default
     is off.
`show debug frame'
     Displays the current state of displaying GDB frame debugging info.
`set debug observer'
     Turns on or off display of GDB observer debugging.  This includes
     info such as the notification of observable events.
`show debug observer'
     Displays the current state of observer debugging.
`set debug overload'
     Turns on or off display of GDB C++ overload debugging info. This
     includes info such as ranking of functions, etc. The default is
     off.
`show debug overload'
     Displays the current state of displaying GDB C++ overload
     debugging info.
`set debug remote'
     Turns on or off display of reports on all packets sent back and
     forth across the serial line to the remote machine.  The info is
     printed on the GDB standard output stream. The default is off.
`show debug remote'
     Displays the state of display of remote packets.
`set debug serial'
     Turns on or off display of GDB serial debugging info. The default
     is off.
`show debug serial'
     Displays the current state of displaying GDB serial debugging info.
`set debug target'
     Turns on or off display of GDB target debugging info. This info
     includes what is going on at the target level of GDB, as it
     happens. The default is 0.  Set it to 1 to track events, and to 2
     to also track the value of large memory transfers.  Changes to
     this flag do not take effect until the next time you connect to a
     target or use the `run' command.
`show debug target'
     Displays the current state of displaying GDB target debugging info.
`set debug varobj'
     Turns on or off display of GDB variable object debugging info. The
     default is off.
`show debug varobj'
     Displays the current state of displaying GDB variable object
     debugging info.