binutils-gdb/gdb/reggroups.c

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/* Register groupings for GDB, the GNU debugger.
Copyright 2002, 2003 Free Software Foundation, Inc.
Contributed by Red Hat.
This file is part of GDB.
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
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "reggroups.h"
#include "gdbtypes.h"
#include "gdb_assert.h"
#include "regcache.h"
#include "command.h"
#include "gdbcmd.h" /* For maintenanceprintlist. */
/* Individual register groups. */
struct reggroup
{
const char *name;
enum reggroup_type type;
};
struct reggroup *
reggroup_new (const char *name, enum reggroup_type type)
{
struct reggroup *group = XMALLOC (struct reggroup);
group->name = name;
group->type = type;
return group;
}
/* Register group attributes. */
const char *
reggroup_name (struct reggroup *group)
{
return group->name;
}
enum reggroup_type
reggroup_type (struct reggroup *group)
{
return group->type;
}
/* A linked list of groups for the given architecture. */
struct reggroup_el
{
struct reggroup *group;
struct reggroup_el *next;
};
struct reggroups
{
struct reggroup_el *first;
struct reggroup_el **last;
};
static struct gdbarch_data *reggroups_data;
static void *
reggroups_init (struct gdbarch *gdbarch)
{
struct reggroups *groups = GDBARCH_OBSTACK_ZALLOC (gdbarch,
struct reggroups);
groups->last = &groups->first;
return groups;
}
/* Add a register group (with attribute values) to the pre-defined
list. */
static void
add_group (struct reggroups *groups, struct reggroup *group,
struct reggroup_el *el)
{
gdb_assert (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);
2004-03-15 Andrew Cagney <cagney@redhat.com> * gdbarch.sh (gdbarch_data_pre_init_fytpe) (gdbarch_data_register_pre_init, gdbarch_data_post_init_fytpe) (gdbarch_data_register_post_init): Replace gdbarch_data_init_ftype and register_gdbarch_data. (deprecated_set_gdbarch_data): Rename set_gdbarch_data. (struct gdbarch_data): Replace "init" by "pre_init" and "post_init". * gdbarch.h, gdbarch.c: Re-generate. * dwarf2-frame.c (dwarf2_frame_init): Replace "gdbarch" paramter with"obstack", use OBSTACK_ZALLOC. (dwarf2_frame_ops): Delete. (dwarf2_frame_set_init_reg): Use gdbarch_data. (dwarf2_frame_init_reg): Use gdbarch_data. (_initialize_dwarf2_frame): Use gdbarch_data_register_pre_init. * solib-svr4.c (set_solib_svr4_fetch_link_map_offsets) (_initialize_svr4_solib): Update. * user-regs.c (_initialize_user_regs): Update. * reggroups.c (_initialize_reggroup): Update. * regcache.c (_initialize_regcache): Update. * mips-linux-tdep.c (_initialize_mips_linux_tdep): Update. * libunwind-frame.c (_initialize_libunwind_frame): Update. * gnu-v3-abi.c (init_gnuv3_ops): Update. * frame-unwind.c (_initialize_frame_unwind): Update. * frame-base.c (_initialize_frame_base): Update. * user-regs.c (user_reg_add): Update. * reggroups.c (reggroup_add): Update. * mips-linux-tdep.c (set_mips_linux_register_addr): Update. * libunwind-frame.c (libunwind_frame_set_descr): Update. * frame-unwind.c (frame_unwind_append_sniffer): Update. * frame-base.c (frame_base_table): Update. * remote.c (_initialize_remote): Update. * gdb_obstack.h (OBSTACK_ZALLOC, OBSTACK_CALLOC): Define.
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deprecated_set_gdbarch_data (gdbarch, reggroups_data, groups);
}
add_group (groups, group,
GDBARCH_OBSTACK_ZALLOC (gdbarch, struct reggroup_el));
}
/* The default register groups for an architecture. */
static struct reggroups default_groups = { NULL, &default_groups.first };
/* A register group iterator. */
struct reggroup *
reggroup_next (struct gdbarch *gdbarch, struct reggroup *last)
{
struct reggroups *groups;
struct reggroup_el *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);
gdb_assert (groups != NULL);
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
default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
struct reggroup *group)
{
int vector_p;
int float_p;
int raw_p;
if (REGISTER_NAME (regnum) == NULL
|| *REGISTER_NAME (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;
if (group == float_reggroup)
return float_p;
if (group == vector_reggroup)
return vector_p;
if (group == general_reggroup)
return (!vector_p && !float_p);
if (group == save_reggroup || group == restore_reggroup)
return raw_p;
return 0;
}
/* Dump out a table of register groups for the current architecture. */
static void
reggroups_dump (struct gdbarch *gdbarch, struct ui_file *file)
{
struct reggroup *group = NULL;
do
{
/* Group name. */
{
const char *name;
if (group == NULL)
name = "Group";
else
name = reggroup_name (group);
fprintf_unfiltered (file, " %-10s", name);
}
/* Group type. */
{
const char *type;
if (group == NULL)
type = "Type";
else
{
switch (reggroup_type (group))
{
case USER_REGGROUP:
type = "user";
break;
case INTERNAL_REGGROUP:
type = "internal";
break;
default:
internal_error (__FILE__, __LINE__, "bad switch");
}
}
fprintf_unfiltered (file, " %-10s", type);
}
/* Note: If you change this, be sure to also update the
documentation. */
fprintf_unfiltered (file, "\n");
group = reggroup_next (gdbarch, group);
}
while (group != NULL);
}
static void
maintenance_print_reggroups (char *args, int from_tty)
{
if (args == NULL)
reggroups_dump (current_gdbarch, gdb_stdout);
else
{
struct ui_file *file = gdb_fopen (args, "w");
if (file == NULL)
perror_with_name ("maintenance print reggroups");
reggroups_dump (current_gdbarch, file);
ui_file_delete (file);
}
}
/* Pre-defined register groups. */
static struct reggroup general_group = { "general", USER_REGGROUP };
static struct reggroup float_group = { "float", USER_REGGROUP };
static struct reggroup system_group = { "system", USER_REGGROUP };
static struct reggroup vector_group = { "vector", USER_REGGROUP };
static struct reggroup all_group = { "all", USER_REGGROUP };
static struct reggroup save_group = { "save", INTERNAL_REGGROUP };
static struct reggroup restore_group = { "restore", INTERNAL_REGGROUP };
struct reggroup *const general_reggroup = &general_group;
struct reggroup *const float_reggroup = &float_group;
struct reggroup *const system_reggroup = &system_group;
struct reggroup *const vector_reggroup = &vector_group;
struct reggroup *const all_reggroup = &all_group;
struct reggroup *const save_reggroup = &save_group;
struct reggroup *const restore_reggroup = &restore_group;
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
extern initialize_file_ftype _initialize_reggroup; /* -Wmissing-prototypes */
void
_initialize_reggroup (void)
{
2004-03-15 Andrew Cagney <cagney@redhat.com> * gdbarch.sh (gdbarch_data_pre_init_fytpe) (gdbarch_data_register_pre_init, gdbarch_data_post_init_fytpe) (gdbarch_data_register_post_init): Replace gdbarch_data_init_ftype and register_gdbarch_data. (deprecated_set_gdbarch_data): Rename set_gdbarch_data. (struct gdbarch_data): Replace "init" by "pre_init" and "post_init". * gdbarch.h, gdbarch.c: Re-generate. * dwarf2-frame.c (dwarf2_frame_init): Replace "gdbarch" paramter with"obstack", use OBSTACK_ZALLOC. (dwarf2_frame_ops): Delete. (dwarf2_frame_set_init_reg): Use gdbarch_data. (dwarf2_frame_init_reg): Use gdbarch_data. (_initialize_dwarf2_frame): Use gdbarch_data_register_pre_init. * solib-svr4.c (set_solib_svr4_fetch_link_map_offsets) (_initialize_svr4_solib): Update. * user-regs.c (_initialize_user_regs): Update. * reggroups.c (_initialize_reggroup): Update. * regcache.c (_initialize_regcache): Update. * mips-linux-tdep.c (_initialize_mips_linux_tdep): Update. * libunwind-frame.c (_initialize_libunwind_frame): Update. * gnu-v3-abi.c (init_gnuv3_ops): Update. * frame-unwind.c (_initialize_frame_unwind): Update. * frame-base.c (_initialize_frame_base): Update. * user-regs.c (user_reg_add): Update. * reggroups.c (reggroup_add): Update. * mips-linux-tdep.c (set_mips_linux_register_addr): Update. * libunwind-frame.c (libunwind_frame_set_descr): Update. * frame-unwind.c (frame_unwind_append_sniffer): Update. * frame-base.c (frame_base_table): Update. * remote.c (_initialize_remote): Update. * gdb_obstack.h (OBSTACK_ZALLOC, OBSTACK_CALLOC): Define.
2004-03-15 21:38:08 +01:00
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_cmd ("reggroups", class_maintenance,
maintenance_print_reggroups, "\
Print the internal register group names.\n\
Takes an optional file parameter.",
&maintenanceprintlist);
}