/* Register groupings for GDB, the GNU debugger.
- Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002-2020 Free Software Foundation, Inc.
Contributed by Red Hat.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
+#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. */
+#include "gdb_obstack.h"
/* Individual register groups. */
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 group;
}
+/* See reggroups.h. */
+
+struct reggroup *
+reggroup_gdbarch_new (struct gdbarch *gdbarch, const char *name,
+ enum reggroup_type type)
+{
+ struct reggroup *group = GDBARCH_OBSTACK_ZALLOC (gdbarch,
+ struct reggroup);
+
+ group->name = gdbarch_obstack_strdup (gdbarch, name);
+ group->type = type;
+ return group;
+}
+
/* Register group attributes. */
const char *
static struct gdbarch_data *reggroups_data;
static void *
-reggroups_init (struct gdbarch *gdbarch)
+reggroups_init (struct obstack *obstack)
{
- struct reggroups *groups = GDBARCH_OBSTACK_ZALLOC (gdbarch,
- struct reggroups);
+ struct reggroups *groups = OBSTACK_ZALLOC (obstack, struct reggroups);
+
groups->last = &groups->first;
return groups;
}
void
reggroup_add (struct gdbarch *gdbarch, struct reggroup *group)
{
- struct reggroups *groups = gdbarch_data (gdbarch, reggroups_data);
+ struct reggroups *groups
+ = (struct reggroups *) gdbarch_data (gdbarch, reggroups_data);
- if (groups == NULL)
- {
- /* ULGH, called during architecture initialization. Patch
- things up. */
- groups = reggroups_init (gdbarch);
- deprecated_set_gdbarch_data (gdbarch, reggroups_data, groups);
- }
add_group (groups, group,
GDBARCH_OBSTACK_ZALLOC (gdbarch, struct reggroup_el));
}
/* 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);
+ groups = (struct reggroups *) gdbarch_data (gdbarch, reggroups_data);
gdb_assert (groups != NULL);
if (groups->first == NULL)
groups = &default_groups;
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 = (struct reggroups *) 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,
int float_p;
int raw_p;
- if (REGISTER_NAME (regnum) == NULL
- || *REGISTER_NAME (regnum) == '\0')
+ if (gdbarch_register_name (gdbarch, regnum) == NULL
+ || *gdbarch_register_name (gdbarch, regnum) == '\0')
return 0;
if (group == all_reggroup)
return 1;
vector_p = TYPE_VECTOR (register_type (gdbarch, regnum));
- float_p = TYPE_CODE (register_type (gdbarch, regnum)) == TYPE_CODE_FLT;
- /* FIXME: cagney/2003-04-13: Can't yet use gdbarch_num_regs
- (gdbarch), as not all architectures are multi-arch. */
- raw_p = regnum < NUM_REGS;
+ float_p = (register_type (gdbarch, regnum)->code () == TYPE_CODE_FLT
+ || (register_type (gdbarch, regnum)->code ()
+ == TYPE_CODE_DECFLOAT));
+ raw_p = regnum < gdbarch_num_regs (gdbarch);
if (group == float_reggroup)
return float_p;
if (group == vector_reggroup)
return 0;
}
+/* See reggroups.h. */
+
+reggroup *
+reggroup_find (struct gdbarch *gdbarch, const char *name)
+{
+ struct reggroup *group;
+
+ for (group = reggroup_next (gdbarch, NULL);
+ group != NULL;
+ group = reggroup_next (gdbarch, group))
+ {
+ if (strcmp (name, reggroup_name (group)) == 0)
+ return group;
+ }
+ return NULL;
+}
+
/* Dump out a table of register groups for the current architecture. */
static void
/* Group name. */
{
const char *name;
+
if (group == NULL)
name = "Group";
else
/* Group type. */
{
const char *type;
+
if (group == NULL)
type = "Type";
else
}
static void
-maintenance_print_reggroups (char *args, int from_tty)
+maintenance_print_reggroups (const char *args, int from_tty)
{
+ struct gdbarch *gdbarch = get_current_arch ();
+
if (args == NULL)
- reggroups_dump (current_gdbarch, gdb_stdout);
+ reggroups_dump (gdbarch, gdb_stdout);
else
{
- struct ui_file *file = gdb_fopen (args, "w");
- if (file == NULL)
+ stdio_file file;
+
+ if (!file.open (args, "w"))
perror_with_name (_("maintenance print reggroups"));
- reggroups_dump (current_gdbarch, file);
- ui_file_delete (file);
+ reggroups_dump (gdbarch, &file);
}
}
struct reggroup *const save_reggroup = &save_group;
struct reggroup *const restore_reggroup = &restore_group;
-extern initialize_file_ftype _initialize_reggroup; /* -Wmissing-prototypes */
-
+void _initialize_reggroup ();
void
-_initialize_reggroup (void)
+_initialize_reggroup ()
{
- reggroups_data = gdbarch_data_register_post_init (reggroups_init);
+ reggroups_data = gdbarch_data_register_pre_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, _("\
projects / deliverable / binutils-gdb.git / blobdiff