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524ad5e30f
This commit updates the comments in the gdb/reggroups.{c,h} files.
Fill in some missing comments, correct a few comments that were not
clear, and where we had comments duplicated between .c and .h files,
update the .c to reference the .h.
No user visible changes after this commit.
102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
/* Register groupings for GDB, the GNU debugger.
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Copyright (C) 2002-2022 Free Software Foundation, Inc.
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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 3 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, see <http://www.gnu.org/licenses/>. */
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#ifndef REGGROUPS_H
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#define REGGROUPS_H
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struct gdbarch;
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/* The different register group types. */
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enum reggroup_type {
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/* Used for any register group that should be visible to the user.
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Architecture specific register groups, as well as most of the default
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groups will have this type. */
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USER_REGGROUP,
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/* Used for a few groups that GDB uses while managing machine state.
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These groups are mostly hidden from the user. */
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INTERNAL_REGGROUP
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};
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/* Individual register group. */
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struct reggroup
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{
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/* Create a new register group object. The NAME is not owned by the new
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reggroup object, so must outlive the object. */
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reggroup (const char *name, enum reggroup_type type)
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: m_name (name),
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m_type (type)
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{ /* Nothing. */ }
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/* Return the name for this register group. */
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const char *name () const
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{ return m_name; }
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/* Return the type of this register group. */
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enum reggroup_type type () const
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{ return m_type; }
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private:
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/* The name of this register group. */
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const char *m_name;
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/* The type of this register group. */
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enum reggroup_type m_type;
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};
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/* Pre-defined, user visible, register groups. */
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extern const reggroup *const general_reggroup;
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extern const reggroup *const float_reggroup;
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extern const reggroup *const system_reggroup;
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extern const reggroup *const vector_reggroup;
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extern const reggroup *const all_reggroup;
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/* Pre-defined, internal, register groups. */
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extern const reggroup *const save_reggroup;
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extern const reggroup *const restore_reggroup;
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/* Create a new local register group. */
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extern const reggroup *reggroup_new (const char *name,
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enum reggroup_type type);
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/* Create a new register group allocated onto the gdbarch obstack. */
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extern const reggroup *reggroup_gdbarch_new (struct gdbarch *gdbarch,
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const char *name,
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enum reggroup_type type);
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/* Add register group GROUP to the list of register groups for GDBARCH. */
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extern void reggroup_add (struct gdbarch *gdbarch, const reggroup *group);
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/* Return the list of all register groups for GDBARCH. */
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extern const std::vector<const reggroup *> &
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gdbarch_reggroups (struct gdbarch *gdbarch);
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/* Find a reggroup by name. */
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extern const reggroup *reggroup_find (struct gdbarch *gdbarch,
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const char *name);
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/* Is REGNUM a member of REGGROUP? */
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extern int default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
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const struct reggroup *reggroup);
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#endif
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