2002-11-02 16:13:34 +01:00
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/* Register groupings for GDB, the GNU debugger.
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2003-08-22 11:49:01 +02:00
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Copyright 2002, 2003 Free Software Foundation, Inc.
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2002-11-02 16:13:34 +01:00
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Contributed by Red Hat.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "reggroups.h"
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#include "gdbtypes.h"
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#include "gdb_assert.h"
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#include "regcache.h"
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#include "command.h"
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#include "gdbcmd.h" /* For maintenanceprintlist. */
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/* Individual register groups. */
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struct reggroup
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{
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const char *name;
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enum reggroup_type type;
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};
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struct reggroup *
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reggroup_new (const char *name, enum reggroup_type type)
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{
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struct reggroup *group = XMALLOC (struct reggroup);
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group->name = name;
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group->type = type;
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return group;
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}
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/* Register group attributes. */
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const char *
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reggroup_name (struct reggroup *group)
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{
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return group->name;
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}
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enum reggroup_type
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reggroup_type (struct reggroup *group)
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{
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return group->type;
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}
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2003-08-04 22:34:10 +02:00
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/* A linked list of groups for the given architecture. */
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struct reggroup_el
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{
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struct reggroup *group;
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struct reggroup_el *next;
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};
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2002-11-02 16:13:34 +01:00
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struct reggroups
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{
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2003-08-04 22:34:10 +02:00
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struct reggroup_el *first;
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struct reggroup_el **last;
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2002-11-02 16:13:34 +01:00
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};
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static struct gdbarch_data *reggroups_data;
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static void *
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reggroups_init (struct gdbarch *gdbarch)
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{
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2003-08-04 22:34:10 +02:00
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struct reggroups *groups = GDBARCH_OBSTACK_ZALLOC (gdbarch,
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struct reggroups);
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groups->last = &groups->first;
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2002-11-02 16:13:34 +01:00
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return groups;
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}
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/* Add a register group (with attribute values) to the pre-defined
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2003-08-04 22:34:10 +02:00
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list. */
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2002-11-02 16:13:34 +01:00
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static void
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2003-08-04 22:34:10 +02:00
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add_group (struct reggroups *groups, struct reggroup *group,
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struct reggroup_el *el)
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2002-11-02 16:13:34 +01:00
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{
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gdb_assert (group != NULL);
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2003-08-04 22:34:10 +02:00
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el->group = group;
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el->next = NULL;
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(*groups->last) = el;
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groups->last = &el->next;
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2002-11-02 16:13:34 +01:00
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}
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void
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reggroup_add (struct gdbarch *gdbarch, struct reggroup *group)
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{
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struct reggroups *groups = gdbarch_data (gdbarch, reggroups_data);
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2003-08-22 11:49:01 +02:00
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2002-11-02 16:13:34 +01:00
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if (groups == NULL)
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{
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/* ULGH, called during architecture initialization. Patch
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things up. */
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groups = reggroups_init (gdbarch);
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set_gdbarch_data (gdbarch, reggroups_data, groups);
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}
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2003-08-04 22:34:10 +02:00
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add_group (groups, group,
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GDBARCH_OBSTACK_ZALLOC (gdbarch, struct reggroup_el));
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2002-11-02 16:13:34 +01:00
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}
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2003-08-04 22:34:10 +02:00
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/* The default register groups for an architecture. */
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static struct reggroups default_groups = { NULL, &default_groups.first };
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2002-11-02 16:13:34 +01:00
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2003-08-04 22:34:10 +02:00
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/* A register group iterator. */
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2002-11-02 16:13:34 +01:00
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2003-08-04 22:34:10 +02:00
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struct reggroup *
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reggroup_next (struct gdbarch *gdbarch, struct reggroup *last)
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2002-11-02 16:13:34 +01:00
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{
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2003-08-04 22:34:10 +02:00
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struct reggroups *groups;
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struct reggroup_el *el;
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2003-08-22 11:49:01 +02:00
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2002-11-02 16:13:34 +01:00
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/* Don't allow this function to be called during architecture
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2003-08-04 22:34:10 +02:00
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creation. If there are no groups, use the default groups list. */
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groups = gdbarch_data (gdbarch, reggroups_data);
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2002-11-02 16:13:34 +01:00
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gdb_assert (groups != NULL);
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2003-08-04 22:34:10 +02:00
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if (groups->first == NULL)
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groups = &default_groups;
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2003-08-05 20:08:59 +02:00
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/* Return the first/next reggroup. */
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2003-08-04 22:34:10 +02:00
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if (last == NULL)
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return groups->first->group;
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for (el = groups->first; el != NULL; el = el->next)
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{
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if (el->group == last)
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2003-08-05 20:08:59 +02:00
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{
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if (el->next != NULL)
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return el->next->group;
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else
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return NULL;
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}
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2003-08-04 22:34:10 +02:00
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}
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return NULL;
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2002-11-02 16:13:34 +01:00
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}
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/* Is REGNUM a member of REGGROUP? */
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int
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default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
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struct reggroup *group)
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{
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int vector_p;
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int float_p;
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int raw_p;
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2003-08-22 11:49:01 +02:00
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2002-11-02 16:13:34 +01:00
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if (REGISTER_NAME (regnum) == NULL
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|| *REGISTER_NAME (regnum) == '\0')
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return 0;
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if (group == all_reggroup)
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return 1;
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vector_p = TYPE_VECTOR (register_type (gdbarch, regnum));
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float_p = TYPE_CODE (register_type (gdbarch, regnum)) == TYPE_CODE_FLT;
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2003-04-14 00:34:27 +02:00
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/* FIXME: cagney/2003-04-13: Can't yet use gdbarch_num_regs
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(gdbarch), as not all architectures are multi-arch. */
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raw_p = regnum < NUM_REGS;
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2002-11-02 16:13:34 +01:00
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if (group == float_reggroup)
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return float_p;
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if (group == vector_reggroup)
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return vector_p;
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if (group == general_reggroup)
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return (!vector_p && !float_p);
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if (group == save_reggroup || group == restore_reggroup)
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return raw_p;
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return 0;
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}
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/* Dump out a table of register groups for the current architecture. */
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static void
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reggroups_dump (struct gdbarch *gdbarch, struct ui_file *file)
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{
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2003-08-04 22:34:10 +02:00
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struct reggroup *group = NULL;
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2003-08-22 11:49:01 +02:00
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2002-11-02 16:13:34 +01:00
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do
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{
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/* Group name. */
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{
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const char *name;
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2003-08-04 22:34:10 +02:00
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if (group == NULL)
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2002-11-02 16:13:34 +01:00
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name = "Group";
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else
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2003-08-04 22:34:10 +02:00
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name = reggroup_name (group);
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2002-11-02 16:13:34 +01:00
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fprintf_unfiltered (file, " %-10s", name);
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}
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/* Group type. */
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{
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const char *type;
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2003-08-04 22:34:10 +02:00
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if (group == NULL)
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2002-11-02 16:13:34 +01:00
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type = "Type";
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else
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{
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2003-08-04 22:34:10 +02:00
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switch (reggroup_type (group))
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2002-11-02 16:13:34 +01:00
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{
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case USER_REGGROUP:
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type = "user";
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break;
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case INTERNAL_REGGROUP:
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type = "internal";
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break;
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default:
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internal_error (__FILE__, __LINE__, "bad switch");
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}
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}
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fprintf_unfiltered (file, " %-10s", type);
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}
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/* Note: If you change this, be sure to also update the
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documentation. */
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fprintf_unfiltered (file, "\n");
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2003-08-04 22:34:10 +02:00
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group = reggroup_next (gdbarch, group);
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2002-11-02 16:13:34 +01:00
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}
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2003-08-04 22:34:10 +02:00
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while (group != NULL);
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2002-11-02 16:13:34 +01:00
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}
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static void
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maintenance_print_reggroups (char *args, int from_tty)
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{
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if (args == NULL)
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reggroups_dump (current_gdbarch, gdb_stdout);
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else
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{
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struct ui_file *file = gdb_fopen (args, "w");
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if (file == NULL)
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perror_with_name ("maintenance print reggroups");
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reggroups_dump (current_gdbarch, file);
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ui_file_delete (file);
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}
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}
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/* Pre-defined register groups. */
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static struct reggroup general_group = { "general", USER_REGGROUP };
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static struct reggroup float_group = { "float", USER_REGGROUP };
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static struct reggroup system_group = { "system", USER_REGGROUP };
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static struct reggroup vector_group = { "vector", USER_REGGROUP };
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static struct reggroup all_group = { "all", USER_REGGROUP };
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static struct reggroup save_group = { "save", INTERNAL_REGGROUP };
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static struct reggroup restore_group = { "restore", INTERNAL_REGGROUP };
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struct reggroup *const general_reggroup = &general_group;
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struct reggroup *const float_reggroup = &float_group;
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struct reggroup *const system_reggroup = &system_group;
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struct reggroup *const vector_reggroup = &vector_group;
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struct reggroup *const all_reggroup = &all_group;
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struct reggroup *const save_reggroup = &save_group;
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struct reggroup *const restore_reggroup = &restore_group;
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2003-06-08 Andrew Cagney <cagney@redhat.com>
* acinclude.m4 (gcc_AC_CHECK_DECL, (gcc_AC_CHECK_DECL): Stolen
from GCC's acinclude.m4.
* configure.in: Check for getopt's delcaration.
* aclocal.m4, config.in, configure: Re-generate.
* main.c (error_init): Delete declaration.
* defs.h (error_init): Declare.
* rs6000-tdep.c (rs6000_fetch_pointer_argument): Make static.
(rs6000_convert_from_func_ptr_addr): Make static.
(_initialize_rs6000_tdep): Add declaration.
* cli/cli-cmds.c (dont_repeat): Delete declaration.
(show_commands, set_verbose, show_history): Delete declaration.
* top.h (set_verbose): Add declaration.
(show_history, set_history, show_commands): Add declaration.
(do_restore_instream_cleanup): Add declaration.
* objc-lang.c (specialcmp): Make static.
(print_object_command): Make static.
(find_objc_msgsend): Make static.
(find_objc_msgcall_submethod_helper): Make static.
(find_objc_msgcall_submethod): Make static.
(_initialize_objc_language): Add declaration.
(find_implementation_from_class): Make static.
(find_implementation): Make static.
* objc-exp.y (yylex): Delete lookup_struct_typedef declaration.
* objc-lang.h (lookup_struct_typedef): Add declaration.
* cli/cli-interp.c (_initialize_cli_interp): Add declaration.
* cli/cli-script.c (clear_hook_in_cleanup): Make static.
(do_restore_user_call_depth): Make static.
(do_restore_instream_cleanup): Delete declaration.
(dont_repeat): Delete declaration.
* cli/cli-decode.c (add_abbrev_cmd): Delete function.
* cli/cli-dump.c (_initialize_cli_dump): Add declaration.
* reggroups.c (_initialize_reggroup): Add declaration.
* cp-support.c (_initialize_cp_support): Add declaration.
* cp-abi.c (_initialize_cp_abi): Add declaration.
* hpacc-abi.c (_initialize_hpacc_abi): Add declaration.
* gnu-v3-abi.c (gnuv3_baseclass_offset): Make static.
(_initialize_gnu_v3_abi): Add declaration.
* gnu-v2-abi.c (gnuv2_value_rtti_type): Make static.
(_initialize_gnu_v2_abi): Add declaration.
* frame-base.c (_initialize_frame_base): Add declaration.
* doublest.c (floatformat_from_length): Make static.
* frame-unwind.c (_initialize_frame_unwind): Add declaration.
* frame.c (create_sentinel_frame): Make static.
(_initialize_frame): Add declaration.
* top.c (do_catch_errors): Make static.
(gdb_rl_operate_and_get_next_completion): Make static.
* typeprint.c: Include "typeprint.h".
* sentinel-frame.c (sentinel_frame_prev_register): Make static.
(sentinel_frame_this_id): Make static.
* p-valprint.c (_initialize_pascal_valprint): Add declaration.
* ui-out.c (make_cleanup_ui_out_begin_end): Delete function.
* dwarf2-frame.c (dwarf2_frame_cache): Make static.
* p-exp.y (push_current_type, pop_current_type): ISO C declaration.
* dwarf2expr.h (dwarf_expr_context): ISO C declaration.
* maint.c (maintenance_print_architecture): Make static.
* signals/signals.c (_initialize_signals): Add declaration.
* std-regs.c (_initialize_frame_reg): Add declaration.
* jv-exp.y (push_variable): ISO C definition.
(push_qualified_expression_name): Ditto.
* memattr.c (_initialize_mem): Add declaration.
* remote.c (remote_check_watch_resources): Make static.
(remote_stopped_by_watchpoint): Make static.
(remote_stopped_data_address): Make static.
* d10v-tdep.c (nr_dmap_regs): Make static.
(a0_regnum): Make static.
(d10v_frame_unwind_cache): Make static.
(d10v_frame_p): Make static.
* osabi.c (show_osabi): Make static.
(_initialize_gdb_osabi): Add extern declaration.
* gdbtypes.c (make_qualified_type): Make static.
(safe_parse_type): Make static.
* macrocmd.c (_initialize_macrocmd): Add extern declaration.
* macrotab.c (macro_bcache_free): Make static.
* interps.c (interp_set_quiet): Make static.
(interpreter_exec_cmd): Make static.
* stack.h (select_frame_command): New file.
* stack.c: Include "stack.h".
(select_frame_command_wrapper): Delete function.
(select_frame_command): Make global.
* infcall.c: Include "infcall.h".
* linespec.c: Include "linespec.h".
* symfile.c (sections_overlap): Make static.
* cp-support.h (cp_initialize_namespace): ISO C declaration.
* charset.c (_initialize_charset): Add missing prototype.
* regcache.c (init_legacy_regcache_descr): Make static.
(do_regcache_xfree): Make static.
(regcache_xfer_part): Make static.
(_initialize_regcache): Add missing prototype.
* breakpoint.c (parse_breakpoint_sals): Make static.
(breakpoint_sals_to_pc): Make static.
* interps.h (clear_interpreter_hooks): ISO C declaration.
* Makefile.in (stack_h): Define.
(stack.o, typeprint.o, mi-main.o): Update dependencies.
(mi-cmd-stack.o, infcall.o, linespec.o): Update dependencies.
Index: mi/ChangeLog
2003-06-08 Andrew Cagney <cagney@redhat.com>
* mi-parse.c (_initialize_mi_parse): Delete function.
* mi-main.c: Include "mi-main.h".
* mi-interp.c (_initialize_mi_interp): Add declaration.
* mi-cmd-stack.c: Include "stack.h".
(select_frame_command_wrapper): Delete extern declaration.
(mi_cmd_stack_select_frame): Replace select_frame_command_wrapper
with select_frame_command.
2003-06-08 20:27:14 +02:00
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extern initialize_file_ftype _initialize_reggroup; /* -Wmissing-prototypes */
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2002-11-02 16:13:34 +01:00
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void
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_initialize_reggroup (void)
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{
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2003-08-05 00:24:44 +02:00
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reggroups_data = register_gdbarch_data (reggroups_init);
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2002-11-02 16:13:34 +01:00
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/* The pre-defined list of groups. */
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2003-08-04 22:34:10 +02:00
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add_group (&default_groups, general_reggroup, XMALLOC (struct reggroup_el));
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add_group (&default_groups, float_reggroup, XMALLOC (struct reggroup_el));
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add_group (&default_groups, system_reggroup, XMALLOC (struct reggroup_el));
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add_group (&default_groups, vector_reggroup, XMALLOC (struct reggroup_el));
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add_group (&default_groups, all_reggroup, XMALLOC (struct reggroup_el));
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add_group (&default_groups, save_reggroup, XMALLOC (struct reggroup_el));
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add_group (&default_groups, restore_reggroup, XMALLOC (struct reggroup_el));
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2002-11-02 16:13:34 +01:00
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add_cmd ("reggroups", class_maintenance,
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maintenance_print_reggroups, "\
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Print the internal register group names.\n\
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Takes an optional file parameter.",
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&maintenanceprintlist);
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}
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