gdbinit.in: add reload-gdbhooks (rh) command

gcc/ChangeLog:

2019-07-23  Vladislav Ivanishin <vlad@ispras.ru>

	* gdbinit.in (reload-gdbhooks): New command with an attached doc string.
	(rh): New alias for it.

From-SVN: r273738

gcc/ChangeLog

 2019-07-23  Vladislav Ivanishin <vlad@ispras.ru>
 
+	* gdbinit.in (reload-gdbhooks): New command with an attached doc string.
+	(rh): New alias for it.
+
+2019-07-23  Vladislav Ivanishin <vlad@ispras.ru>
+
 	* gdbhooks.py: Pass replace=True to
 	gdb.printing.register_pretty_printer.
 

gcc/gdbinit.in

@@ -219,6 +219,16 @@ is emitted (as opposed to those warnings that are suppressed by
 command-line options).
 end
 
+define reload-gdbhooks
+python import imp; imp.reload(gdbhooks)
+end
+
+document reload-gdbhooks
+Load the gdbhooks.py module again in order to pick up any changes made to it.
+end
+
+alias rh = reload-gdbhooks
+
 # Define some macros helpful to gdb when it is expanding macros.
 macro define __FILE__ "gdb"
 macro define __LINE__ 1