350 lines
8.4 KiB
C
350 lines
8.4 KiB
C
/* User Interface Events.
|
|
|
|
Copyright (C) 1999, 2001, 2002, 2004, 2005, 2007
|
|
Free Software Foundation, Inc.
|
|
|
|
Contributed by Cygnus Solutions.
|
|
|
|
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 3 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
/* 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. */
|
|
|
|
|
|
#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;
|
|
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);
|
|
}
|
|
|
|
|
|
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 ();
|
|
}
|
|
|
|
struct gdb_events *
|
|
deprecated_set_gdb_event_hooks (struct gdb_events *vector)
|
|
{
|
|
struct gdb_events *old_events = current_event_hooks;
|
|
if (vector == NULL)
|
|
current_event_hooks = &queue_event_hooks;
|
|
else
|
|
current_event_hooks = vector;
|
|
return old_events;
|
|
}
|
|
|
|
void
|
|
clear_gdb_event_hooks (void)
|
|
{
|
|
deprecated_set_gdb_event_hooks (&null_event_hooks);
|
|
}
|
|
|
|
enum gdb_event
|
|
{
|
|
breakpoint_create,
|
|
breakpoint_delete,
|
|
breakpoint_modify,
|
|
tracepoint_create,
|
|
tracepoint_delete,
|
|
tracepoint_modify,
|
|
architecture_changed,
|
|
nr_gdb_events
|
|
};
|
|
|
|
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;
|
|
};
|
|
|
|
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;
|
|
}
|
|
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);
|
|
}
|
|
|
|
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;
|
|
xfree (event);
|
|
}
|
|
/* 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;
|
|
}
|
|
delivering_events = event->next;
|
|
xfree (event);
|
|
}
|
|
}
|
|
|
|
void _initialize_gdb_events (void);
|
|
void
|
|
_initialize_gdb_events (void)
|
|
{
|
|
struct cmd_list_element *c;
|
|
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;
|
|
|
|
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,
|
|
show_gdb_events_debug,
|
|
&setdebuglist, &showdebuglist);
|
|
}
|