arc: Add "maintenance print arc" command prefix

Add an "arc" sublist to "maintenance print" command list.  The list is empty
for now, its purpose is to contain commands that print internal state of some
ARC-specific structures.

gdb/ChangeLog:

yyyy-mm-dd  Anton Kolesov  <anton.kolesov@synopsys.com>

	* arc-tdep (maintenance_print_arc_list): New variable.
	(maintenance_print_arc_command): New function.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 86e4b9e6fcf989ea8df53015821488ca6d0293c0..190dd8ea52415319123cdef3be38906e35dd8e62 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2017-03-28  Anton Kolesov  <anton.kolesov@synopsys.com>
+
+       * arc-tdep (maintenance_print_arc_list): New variable.
+       (maintenance_print_arc_command): New function.
+
 2017-03-28  Anton Kolesov  <anton.kolesov@synopsys.com>
 
        * arc-tdep.c (core_v2_register_names, core_arcompact_register_names)

diff --git a/gdb/arc-tdep.c b/gdb/arc-tdep.c
index f78e3a9fe30d1a81261a49bf6ef6608fdcbb87d6..f4fd71f21730f4523765da5412e1d7f63d2fd95e 100644 (file)
--- a/gdb/arc-tdep.c
+++ b/gdb/arc-tdep.c
@@ -59,6 +59,10 @@ struct arc_frame_cache
 
 int arc_debug;
 
+/* List of "maintenance print arc" commands.  */
+
+static struct cmd_list_element *maintenance_print_arc_list = NULL;
+
 /* XML target description features.  */
 
 static const char core_v2_feature_name[] = "org.gnu.gdb.arc.core.v2";
@@ -1308,6 +1312,14 @@ arc_dump_tdep (struct gdbarch *gdbarch, struct ui_file *file)
   fprintf_unfiltered (file, "arc_dump_tdep: jb_pc = %i\n", tdep->jb_pc);
 }
 
+/* Wrapper for "maintenance print arc" list of commands.  */
+
+static void
+maintenance_print_arc_command (char *args, int from_tty)
+{
+  cmd_show_list (maintenance_print_arc_list, from_tty, "");
+}
+
 /* Suppress warning from -Wmissing-prototypes.  */
 extern initialize_file_ftype _initialize_arc_tdep;
 
@@ -1321,6 +1333,13 @@ _initialize_arc_tdep (void)
 
   /* Register ARC-specific commands with gdb.  */
 
+  /* Add root prefix command for "maintenance print arc" commands.  */
+  add_prefix_cmd ("arc", class_maintenance, maintenance_print_arc_command,
+                 _("ARC-specific maintenance commands for printing GDB "
+                   "internal state."),
+                 &maintenance_print_arc_list, "maintenance print arc ", 0,
+                 &maintenanceprintlist);
+
   /* Debug internals for ARC GDB.  */
   add_setshow_zinteger_cmd ("arc", class_maintenance,
                            &arc_debug,