/* Register groupings for GDB, the GNU debugger.
- Copyright (C) 2002-2003, 2007-2012 Free Software Foundation, Inc.
+ Copyright (C) 2002-2015 Free Software Foundation, Inc.
Contributed by Red Hat.
#include "arch-utils.h"
#include "reggroups.h"
#include "gdbtypes.h"
-#include "gdb_assert.h"
#include "regcache.h"
#include "command.h"
#include "gdbcmd.h" /* For maintenanceprintlist. */
struct reggroup *
reggroup_new (const char *name, enum reggroup_type type)
{
- struct reggroup *group = XMALLOC (struct reggroup);
+ struct reggroup *group = XNEW (struct reggroup);
group->name = name;
group->type = type;
return NULL;
}
+/* See reggroups.h. */
+
+struct reggroup *
+reggroup_prev (struct gdbarch *gdbarch, struct reggroup *curr)
+{
+ struct reggroups *groups;
+ struct reggroup_el *el;
+ struct reggroup *prev;
+
+ /* Don't allow this function to be called during architecture
+ creation. If there are no groups, use the default groups list. */
+ groups = gdbarch_data (gdbarch, reggroups_data);
+ gdb_assert (groups != NULL);
+ if (groups->first == NULL)
+ groups = &default_groups;
+
+ prev = NULL;
+ for (el = groups->first; el != NULL; el = el->next)
+ {
+ gdb_assert (el->group != NULL);
+ if (el->group == curr)
+ return prev;
+ prev = el->group;
+ }
+ if (curr == NULL)
+ return prev;
+ return NULL;
+}
+
/* Is REGNUM a member of REGGROUP? */
int
default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
reggroups_data = gdbarch_data_register_post_init (reggroups_init);
/* The pre-defined list of groups. */
- 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_group (&default_groups, general_reggroup, XNEW (struct reggroup_el));
+ add_group (&default_groups, float_reggroup, XNEW (struct reggroup_el));
+ add_group (&default_groups, system_reggroup, XNEW (struct reggroup_el));
+ add_group (&default_groups, vector_reggroup, XNEW (struct reggroup_el));
+ add_group (&default_groups, all_reggroup, XNEW (struct reggroup_el));
+ add_group (&default_groups, save_reggroup, XNEW (struct reggroup_el));
+ add_group (&default_groups, restore_reggroup, XNEW (struct reggroup_el));
add_cmd ("reggroups", class_maintenance,
maintenance_print_reggroups, _("\