old-cross-binutils/gdb/gdb-events.c

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/* User Interface Events.
Copyright 1999, 2001, 2002, 2004, 2005 Free Software Foundation,
Inc.
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Contributed by Cygnus Solutions.
This file is part of GDB.
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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.
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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.
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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. */
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/* Work in progress */
/* This file was created with the aid of ``gdb-events.sh''.
The bourn shell script ``gdb-events.sh'' creates the files
``new-gdb-events.c'' and ``new-gdb-events.h and then compares
them against the existing ``gdb-events.[hc]''. Any differences
found being reported.
If editing this file, please also run gdb-events.sh and merge any
changes into that script. Conversely, when making sweeping changes
to this file, modifying gdb-events.sh and using its output may
prove easier. */
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#include "defs.h"
#include "gdb-events.h"
#include "gdbcmd.h"
static struct gdb_events null_event_hooks;
static struct gdb_events queue_event_hooks;
static struct gdb_events *current_event_hooks = &null_event_hooks;
int gdb_events_debug;
2005-02-24 Andrew Cagney <cagney@gnu.org> Add show_VARIABLE functions, update add_setshow call. * varobj.c (_initialize_varobj, show_varobjdebug): Add and update. * valprint.c (_initialize_valprint, show_print_max) (show_stop_print_at_null, show_repeat_count_threshold) (show_prettyprint_structs, show_unionprint) (show_prettyprint_arrays, show_addressprint, show_input_radix) (show_output_radix): Ditto. * valops.c (_initialize_valops, show_overload_resolution): Ditto. * utils.c (initialize_utils, show_chars_per_line) (show_lines_per_page, show_demangle, show_pagination_enabled) (show_sevenbit_strings, show_asm_demangle): Ditto * tui/tui-win.c (_initialize_tui_win, show_tui_border_kind) (show_tui_border_mode, show_tui_active_border_mode): Ditto. * top.c (init_main, show_new_async_prompt) (show_async_command_editing_p, show_write_history_p) (show_history_size, show_history_filename, show_caution) (show_annotation_level, init_main): Ditto. * target.c (initialize_targets, show_targetdebug) (show_trust_readonly): Ditto. * symfile.c (_initialize_symfile, show_symbol_reloading) (show_ext_args, show_download_write_size) (show_debug_file_directory): Ditto. * source.c (_initialize_source, show_lines_to_list): Ditto. * solib.c (_initialize_solib, show_auto_solib_add) (show_solib_search_path): Ditto. * p-valprint.c (_initialize_pascal_valprint) (show_pascal_static_field_print): Ditto. * printcmd.c (_initialize_printcmd, show_max_symbolic_offset) (show_print_symbol_filename): Add and update. * parse.c (_initialize_parse, show_expressiondebug): Dito. * observer.c (_initialize_observer, show_observer_debug): Dito. * maint.c (_initialize_maint_cmds, show_watchdog) (show_maintenance_profile_p): Dito. * linux-nat.c (_initialize_linux_nat, show_debug_linux_nat): Dito. * infrun.c (_initialize_infrun, show_debug_infrun) (show_stop_on_solib_events, show_follow_fork_mode_string) (show_scheduler_mode, show_step_stop_if_no_debug): Ditto. * infcall.c (_initialize_infcall, show_coerce_float_to_double_p) (show_unwind_on_signal_p): Ditto. * gdbtypes.c (build_gdbtypes, show_opaque_type_resolution) (_initialize_gdbtypes, show_overload_debug): Ditto. * gdb-events.c, gdb-events.sh (_initialize_gdb_events) (show_gdb_events_debug): Ditto. * gdbarch.c, gdbarch.sh (show_gdbarch_debug) (_initialize_gdbarch): Ditto. * frame.c (_initialize_frame, show_backtrace_past_main) (show_backtrace_past_entry, show_backtrace_limit) (show_frame_debug): Ditto. * exec.c (_initialize_exec, show_write_files): Ditto. * dwarf2read.c (_initialize_dwarf2_read) (show_dwarf2_max_cache_age): Ditto. * demangle.c (_initialize_demangler) (show_demangling_style_names): Ditto. * dcache.c (_initialize_dcache, show_dcache_enabled_p): Ditto. * cp-valprint.c (show_static_field_print) (_initialize_cp_valprint, show_vtblprint, show_objectprint): Ditto. * corefile.c (_initialize_core, show_gnutarget_string): Ditto. * cli/cli-logging.c (_initialize_cli_logging) (show_logging_overwrite, show_logging_redirect) (show_logging_filename): Ditto. * cli/cli-cmds.c (show_info_verbose, show_history_expansion_p) (init_cli_cmds, show_baud_rate, show_remote_debug) (show_remote_timeout, show_max_user_call_depth): Ditto. * charset.c (show_host_charset_name, show_target_charset_name) (initialize_charset): Ditto. * breakpoint.c (show_can_use_hw_watchpoints) (show_pending_break_support, _initialize_breakpoint): Ditto.
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static void
show_gdb_events_debug (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file, _("Event debugging is %s.\n"), value);
}
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void
breakpoint_create_event (int b)
{
if (gdb_events_debug)
fprintf_unfiltered (gdb_stdlog, "breakpoint_create_event\n");
if (!current_event_hooks->breakpoint_create)
return;
current_event_hooks->breakpoint_create (b);
}
void
breakpoint_delete_event (int b)
{
if (gdb_events_debug)
fprintf_unfiltered (gdb_stdlog, "breakpoint_delete_event\n");
if (!current_event_hooks->breakpoint_delete)
return;
current_event_hooks->breakpoint_delete (b);
}
void
breakpoint_modify_event (int b)
{
if (gdb_events_debug)
fprintf_unfiltered (gdb_stdlog, "breakpoint_modify_event\n");
if (!current_event_hooks->breakpoint_modify)
return;
current_event_hooks->breakpoint_modify (b);
}
void
tracepoint_create_event (int number)
{
if (gdb_events_debug)
fprintf_unfiltered (gdb_stdlog, "tracepoint_create_event\n");
if (!current_event_hooks->tracepoint_create)
return;
current_event_hooks->tracepoint_create (number);
}
void
tracepoint_delete_event (int number)
{
if (gdb_events_debug)
fprintf_unfiltered (gdb_stdlog, "tracepoint_delete_event\n");
if (!current_event_hooks->tracepoint_delete)
return;
current_event_hooks->tracepoint_delete (number);
}
void
tracepoint_modify_event (int number)
{
if (gdb_events_debug)
fprintf_unfiltered (gdb_stdlog, "tracepoint_modify_event\n");
if (!current_event_hooks->tracepoint_modify)
return;
current_event_hooks->tracepoint_modify (number);
}
void
architecture_changed_event (void)
{
if (gdb_events_debug)
fprintf_unfiltered (gdb_stdlog, "architecture_changed_event\n");
if (!current_event_hooks->architecture_changed)
return;
current_event_hooks->architecture_changed ();
}
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struct gdb_events *
deprecated_set_gdb_event_hooks (struct gdb_events *vector)
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{
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struct gdb_events *old_events = current_event_hooks;
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if (vector == NULL)
current_event_hooks = &queue_event_hooks;
else
current_event_hooks = vector;
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return old_events;
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}
void
clear_gdb_event_hooks (void)
{
deprecated_set_gdb_event_hooks (&null_event_hooks);
}
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enum gdb_event
{
breakpoint_create,
breakpoint_delete,
breakpoint_modify,
tracepoint_create,
tracepoint_delete,
tracepoint_modify,
architecture_changed,
nr_gdb_events
};
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struct breakpoint_create
{
int b;
};
struct breakpoint_delete
{
int b;
};
struct breakpoint_modify
{
int b;
};
struct tracepoint_create
{
int number;
};
struct tracepoint_delete
{
int number;
};
struct tracepoint_modify
{
int number;
};
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struct event
{
enum gdb_event type;
struct event *next;
union
{
struct breakpoint_create breakpoint_create;
struct breakpoint_delete breakpoint_delete;
struct breakpoint_modify breakpoint_modify;
struct tracepoint_create tracepoint_create;
struct tracepoint_delete tracepoint_delete;
struct tracepoint_modify tracepoint_modify;
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}
data;
};
struct event *pending_events;
struct event *delivering_events;
static void
append (struct event *new_event)
{
struct event **event = &pending_events;
while ((*event) != NULL)
event = &((*event)->next);
(*event) = new_event;
(*event)->next = NULL;
}
static void
queue_breakpoint_create (int b)
{
struct event *event = XMALLOC (struct event);
event->type = breakpoint_create;
event->data.breakpoint_create.b = b;
append (event);
}
static void
queue_breakpoint_delete (int b)
{
struct event *event = XMALLOC (struct event);
event->type = breakpoint_delete;
event->data.breakpoint_delete.b = b;
append (event);
}
static void
queue_breakpoint_modify (int b)
{
struct event *event = XMALLOC (struct event);
event->type = breakpoint_modify;
event->data.breakpoint_modify.b = b;
append (event);
}
static void
queue_tracepoint_create (int number)
{
struct event *event = XMALLOC (struct event);
event->type = tracepoint_create;
event->data.tracepoint_create.number = number;
append (event);
}
static void
queue_tracepoint_delete (int number)
{
struct event *event = XMALLOC (struct event);
event->type = tracepoint_delete;
event->data.tracepoint_delete.number = number;
append (event);
}
static void
queue_tracepoint_modify (int number)
{
struct event *event = XMALLOC (struct event);
event->type = tracepoint_modify;
event->data.tracepoint_modify.number = number;
append (event);
}
static void
queue_architecture_changed (void)
{
struct event *event = XMALLOC (struct event);
event->type = architecture_changed;
append (event);
}
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void
gdb_events_deliver (struct gdb_events *vector)
{
/* Just zap any events left around from last time. */
while (delivering_events != NULL)
{
struct event *event = delivering_events;
delivering_events = event->next;
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xfree (event);
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}
/* Process any pending events. Because one of the deliveries could
bail out we move everything off of the pending queue onto an
in-progress queue where it can, later, be cleaned up if
necessary. */
delivering_events = pending_events;
pending_events = NULL;
while (delivering_events != NULL)
{
struct event *event = delivering_events;
switch (event->type)
{
case breakpoint_create:
vector->breakpoint_create
(event->data.breakpoint_create.b);
break;
case breakpoint_delete:
vector->breakpoint_delete
(event->data.breakpoint_delete.b);
break;
case breakpoint_modify:
vector->breakpoint_modify
(event->data.breakpoint_modify.b);
break;
case tracepoint_create:
vector->tracepoint_create
(event->data.tracepoint_create.number);
break;
case tracepoint_delete:
vector->tracepoint_delete
(event->data.tracepoint_delete.number);
break;
case tracepoint_modify:
vector->tracepoint_modify
(event->data.tracepoint_modify.number);
break;
case architecture_changed:
vector->architecture_changed ();
break;
}
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delivering_events = event->next;
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xfree (event);
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}
}
void _initialize_gdb_events (void);
void
_initialize_gdb_events (void)
{
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struct cmd_list_element *c;
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queue_event_hooks.breakpoint_create = queue_breakpoint_create;
queue_event_hooks.breakpoint_delete = queue_breakpoint_delete;
queue_event_hooks.breakpoint_modify = queue_breakpoint_modify;
queue_event_hooks.tracepoint_create = queue_tracepoint_create;
queue_event_hooks.tracepoint_delete = queue_tracepoint_delete;
queue_event_hooks.tracepoint_modify = queue_tracepoint_modify;
queue_event_hooks.architecture_changed = queue_architecture_changed;
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add_setshow_zinteger_cmd ("event", class_maintenance,
&gdb_events_debug, _("\
Set event debugging."), _("\
Show event debugging."), _("\
When non-zero, event/notify debugging is enabled."),
NULL,
2005-02-24 Andrew Cagney <cagney@gnu.org> Add show_VARIABLE functions, update add_setshow call. * varobj.c (_initialize_varobj, show_varobjdebug): Add and update. * valprint.c (_initialize_valprint, show_print_max) (show_stop_print_at_null, show_repeat_count_threshold) (show_prettyprint_structs, show_unionprint) (show_prettyprint_arrays, show_addressprint, show_input_radix) (show_output_radix): Ditto. * valops.c (_initialize_valops, show_overload_resolution): Ditto. * utils.c (initialize_utils, show_chars_per_line) (show_lines_per_page, show_demangle, show_pagination_enabled) (show_sevenbit_strings, show_asm_demangle): Ditto * tui/tui-win.c (_initialize_tui_win, show_tui_border_kind) (show_tui_border_mode, show_tui_active_border_mode): Ditto. * top.c (init_main, show_new_async_prompt) (show_async_command_editing_p, show_write_history_p) (show_history_size, show_history_filename, show_caution) (show_annotation_level, init_main): Ditto. * target.c (initialize_targets, show_targetdebug) (show_trust_readonly): Ditto. * symfile.c (_initialize_symfile, show_symbol_reloading) (show_ext_args, show_download_write_size) (show_debug_file_directory): Ditto. * source.c (_initialize_source, show_lines_to_list): Ditto. * solib.c (_initialize_solib, show_auto_solib_add) (show_solib_search_path): Ditto. * p-valprint.c (_initialize_pascal_valprint) (show_pascal_static_field_print): Ditto. * printcmd.c (_initialize_printcmd, show_max_symbolic_offset) (show_print_symbol_filename): Add and update. * parse.c (_initialize_parse, show_expressiondebug): Dito. * observer.c (_initialize_observer, show_observer_debug): Dito. * maint.c (_initialize_maint_cmds, show_watchdog) (show_maintenance_profile_p): Dito. * linux-nat.c (_initialize_linux_nat, show_debug_linux_nat): Dito. * infrun.c (_initialize_infrun, show_debug_infrun) (show_stop_on_solib_events, show_follow_fork_mode_string) (show_scheduler_mode, show_step_stop_if_no_debug): Ditto. * infcall.c (_initialize_infcall, show_coerce_float_to_double_p) (show_unwind_on_signal_p): Ditto. * gdbtypes.c (build_gdbtypes, show_opaque_type_resolution) (_initialize_gdbtypes, show_overload_debug): Ditto. * gdb-events.c, gdb-events.sh (_initialize_gdb_events) (show_gdb_events_debug): Ditto. * gdbarch.c, gdbarch.sh (show_gdbarch_debug) (_initialize_gdbarch): Ditto. * frame.c (_initialize_frame, show_backtrace_past_main) (show_backtrace_past_entry, show_backtrace_limit) (show_frame_debug): Ditto. * exec.c (_initialize_exec, show_write_files): Ditto. * dwarf2read.c (_initialize_dwarf2_read) (show_dwarf2_max_cache_age): Ditto. * demangle.c (_initialize_demangler) (show_demangling_style_names): Ditto. * dcache.c (_initialize_dcache, show_dcache_enabled_p): Ditto. * cp-valprint.c (show_static_field_print) (_initialize_cp_valprint, show_vtblprint, show_objectprint): Ditto. * corefile.c (_initialize_core, show_gnutarget_string): Ditto. * cli/cli-logging.c (_initialize_cli_logging) (show_logging_overwrite, show_logging_redirect) (show_logging_filename): Ditto. * cli/cli-cmds.c (show_info_verbose, show_history_expansion_p) (init_cli_cmds, show_baud_rate, show_remote_debug) (show_remote_timeout, show_max_user_call_depth): Ditto. * charset.c (show_host_charset_name, show_target_charset_name) (initialize_charset): Ditto. * breakpoint.c (show_can_use_hw_watchpoints) (show_pending_break_support, _initialize_breakpoint): Ditto.
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show_gdb_events_debug,
&setdebuglist, &showdebuglist);
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}