gdb: use 'const reggroup *' in python/py-registers.c file

Convert uses of 'struct reggroup *' in python/py-registers.c to be
'const'.

There should be no user visible changes after this commit.

diff --git a/gdb/python/py-registers.c b/gdb/python/py-registers.c
index 975eb2ca72db48fc31590f8b7936707d42428d96..41f6feab3c8b688e1fe3a8ad5f0b3efa990f754a 100644 (file)
--- a/gdb/python/py-registers.c
+++ b/gdb/python/py-registers.c
@@ -34,7 +34,7 @@ struct register_descriptor_iterator_object {
 
   /* The register group that the user is iterating over.  This will never
      be NULL.  */
-  struct reggroup *reggroup;
+  const struct reggroup *reggroup;
 
   /* The next register number to lookup.  Starts at 0 and counts up.  */
   int regnum;
@@ -65,7 +65,7 @@ struct reggroup_iterator_object {
   PyObject_HEAD
 
   /* The last register group returned.  Initially this will be NULL.  */
-  struct reggroup *reggroup;
+  const struct reggroup *reggroup;
 
   /* Pointer back to the architecture we're finding registers for.  */
   struct gdbarch *gdbarch;
@@ -79,7 +79,7 @@ struct reggroup_object {
   PyObject_HEAD
 
   /* The register group being described.  */
-  struct reggroup *reggroup;
+  const struct reggroup *reggroup;
 };
 
 extern PyTypeObject reggroup_object_type
@@ -100,12 +100,12 @@ gdbpy_register_object_data_init (struct gdbarch *gdbarch)
    returned for the same REGGROUP pointer.  */
 
 static gdbpy_ref<>
-gdbpy_get_reggroup (struct reggroup *reggroup)
+gdbpy_get_reggroup (const reggroup *reggroup)
 {
   /* Map from GDB's internal reggroup objects to the Python representation.
      GDB's reggroups are global, and are never deleted, so using a map like
      this is safe.  */
-  static std::unordered_map<struct reggroup *,gdbpy_ref<>>
+  static std::unordered_map<const struct reggroup *,gdbpy_ref<>>
     gdbpy_reggroup_object_map;
 
   /* If there is not already a suitable Python object in the map then
@@ -134,7 +134,7 @@ static PyObject *
 gdbpy_reggroup_to_string (PyObject *self)
 {
   reggroup_object *group = (reggroup_object *) self;
-  struct reggroup *reggroup = group->reggroup;
+  const reggroup *reggroup = group->reggroup;
 
   const char *name = reggroup_name (reggroup);
   return PyUnicode_FromString (name);
@@ -226,7 +226,7 @@ gdbpy_reggroup_iter_next (PyObject *self)
     = (reggroup_iterator_object *) self;
   struct gdbarch *gdbarch = iter_obj->gdbarch;
 
-  struct reggroup *next_group = reggroup_next (gdbarch, iter_obj->reggroup);
+  const reggroup *next_group = reggroup_next (gdbarch, iter_obj->reggroup);
   if (next_group == NULL)
     {
       PyErr_SetString (PyExc_StopIteration, _("No more groups"));
@@ -268,7 +268,7 @@ PyObject *
 gdbpy_new_register_descriptor_iterator (struct gdbarch *gdbarch,
                                        const char *group_name)
 {
-  struct reggroup *grp = NULL;
+  const reggroup *grp = NULL;
 
   /* Lookup the requested register group, or find the default.  */
   if (group_name == NULL || *group_name == '\0')