/* Register groupings for GDB, the GNU debugger.
- Copyright 2002 Free Software Foundation, Inc.
+ Copyright 2002, 2003 Free Software Foundation, Inc.
Contributed by Red Hat.
return group->type;
}
-/* All the groups for a given architecture. */
+/* A linked list of groups for the given architecture. */
+
+struct reggroup_el
+{
+ struct reggroup *group;
+ struct reggroup_el *next;
+};
struct reggroups
{
- int nr_group;
- struct reggroup **group;
+ struct reggroup_el *first;
+ struct reggroup_el **last;
};
static struct gdbarch_data *reggroups_data;
static void *
reggroups_init (struct gdbarch *gdbarch)
{
- struct reggroups *groups = XMALLOC (struct reggroups);
- groups->nr_group = 0;
- groups->group = NULL;
+ struct reggroups *groups = GDBARCH_OBSTACK_ZALLOC (gdbarch,
+ struct reggroups);
+ groups->last = &groups->first;
return groups;
}
-static void
-reggroups_free (struct gdbarch *gdbarch, void *data)
-{
- struct reggroups *groups = data;
- xfree (groups->group);
- xfree (groups);
-}
-
/* Add a register group (with attribute values) to the pre-defined
- list. This function can be called during architecture
- initialization and hence needs to handle NULL architecture groups. */
+ list. */
static void
-add_group (struct reggroups *groups, struct reggroup *group)
+add_group (struct reggroups *groups, struct reggroup *group,
+ struct reggroup_el *el)
{
gdb_assert (group != NULL);
- groups->nr_group++;
- groups->group = xrealloc (groups->group, (sizeof (struct reggroup *)
- * (groups->nr_group + 1)));
- groups->group[groups->nr_group - 1] = group;
- groups->group[groups->nr_group] = NULL;
+ el->group = group;
+ el->next = NULL;
+ (*groups->last) = el;
+ groups->last = &el->next;
}
void
reggroup_add (struct gdbarch *gdbarch, struct reggroup *group)
{
struct reggroups *groups = gdbarch_data (gdbarch, reggroups_data);
+
if (groups == NULL)
{
/* ULGH, called during architecture initialization. Patch
things up. */
groups = reggroups_init (gdbarch);
- set_gdbarch_data (gdbarch, reggroups_data, groups);
+ deprecated_set_gdbarch_data (gdbarch, reggroups_data, groups);
}
- add_group (groups, group);
+ add_group (groups, group,
+ GDBARCH_OBSTACK_ZALLOC (gdbarch, struct reggroup_el));
}
-/* The register groups for the current architecture. Mumble something
- about the lifetime of the buffer.... */
+/* The default register groups for an architecture. */
-static struct reggroups *default_groups;
+static struct reggroups default_groups = { NULL, &default_groups.first };
-struct reggroup * const*
-reggroups (struct gdbarch *gdbarch)
+/* A register group iterator. */
+
+struct reggroup *
+reggroup_next (struct gdbarch *gdbarch, struct reggroup *last)
{
- struct reggroups *groups = gdbarch_data (gdbarch, reggroups_data);
+ struct reggroups *groups;
+ struct reggroup_el *el;
+
/* Don't allow this function to be called during architecture
- creation. */
+ creation. If there are no groups, use the default groups list. */
+ groups = gdbarch_data (gdbarch, reggroups_data);
gdb_assert (groups != NULL);
- if (groups->group == NULL)
- return default_groups->group;
- else
- return groups->group;
+ if (groups->first == NULL)
+ groups = &default_groups;
+
+ /* Return the first/next reggroup. */
+ if (last == NULL)
+ return groups->first->group;
+ for (el = groups->first; el != NULL; el = el->next)
+ {
+ if (el->group == last)
+ {
+ if (el->next != NULL)
+ return el->next->group;
+ else
+ return NULL;
+ }
+ }
+ return NULL;
}
/* Is REGNUM a member of REGGROUP? */
int vector_p;
int float_p;
int raw_p;
+
if (REGISTER_NAME (regnum) == NULL
|| *REGISTER_NAME (regnum) == '\0')
return 0;
static void
reggroups_dump (struct gdbarch *gdbarch, struct ui_file *file)
{
- struct reggroup *const *groups = reggroups (gdbarch);
- int i = -1;
+ struct reggroup *group = NULL;
+
do
{
/* Group name. */
{
const char *name;
- if (i < 0)
+ if (group == NULL)
name = "Group";
else
- name = reggroup_name (groups[i]);
+ name = reggroup_name (group);
fprintf_unfiltered (file, " %-10s", name);
}
/* Group type. */
{
const char *type;
- if (i < 0)
+ if (group == NULL)
type = "Type";
else
{
- switch (reggroup_type (groups[i]))
+ switch (reggroup_type (group))
{
case USER_REGGROUP:
type = "user";
type = "internal";
break;
default:
- internal_error (__FILE__, __LINE__, "bad switch");
+ internal_error (__FILE__, __LINE__, _("bad switch"));
}
}
fprintf_unfiltered (file, " %-10s", type);
documentation. */
fprintf_unfiltered (file, "\n");
- i++;
+
+ group = reggroup_next (gdbarch, group);
}
- while (groups[i] != NULL);
+ while (group != NULL);
}
static void
{
struct ui_file *file = gdb_fopen (args, "w");
if (file == NULL)
- perror_with_name ("maintenance print reggroups");
+ perror_with_name (_("maintenance print reggroups"));
reggroups_dump (current_gdbarch, file);
ui_file_delete (file);
}
void
_initialize_reggroup (void)
{
- reggroups_data = register_gdbarch_data (reggroups_init, reggroups_free);
+ reggroups_data = gdbarch_data_register_post_init (reggroups_init);
/* The pre-defined list of groups. */
- default_groups = reggroups_init (NULL);
- add_group (default_groups, general_reggroup);
- add_group (default_groups, float_reggroup);
- add_group (default_groups, system_reggroup);
- add_group (default_groups, vector_reggroup);
- add_group (default_groups, all_reggroup);
- add_group (default_groups, save_reggroup);
- add_group (default_groups, restore_reggroup);
-
+ add_group (&default_groups, general_reggroup, XMALLOC (struct reggroup_el));
+ add_group (&default_groups, float_reggroup, XMALLOC (struct reggroup_el));
+ add_group (&default_groups, system_reggroup, XMALLOC (struct reggroup_el));
+ add_group (&default_groups, vector_reggroup, XMALLOC (struct reggroup_el));
+ add_group (&default_groups, all_reggroup, XMALLOC (struct reggroup_el));
+ add_group (&default_groups, save_reggroup, XMALLOC (struct reggroup_el));
+ add_group (&default_groups, restore_reggroup, XMALLOC (struct reggroup_el));
add_cmd ("reggroups", class_maintenance,
- maintenance_print_reggroups, "\
+ maintenance_print_reggroups, _("\
Print the internal register group names.\n\
-Takes an optional file parameter.",
+Takes an optional file parameter."),
&maintenanceprintlist);
}
projects / deliverable / binutils-gdb.git / blobdiff