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/* event.c: Debugger events
Copyright (c) 2008 Philip Kendall
Copyright (c) 2015 Sergio Baldoví
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Author contact information:
E-mail: philip-fuse@shadowmagic.org.uk
*/
#include <config.h>
#include <string.h>
#ifdef HAVE_STRINGS_STRCASECMP
#include <strings.h>
#endif /* #ifdef HAVE_STRINGS_STRCASECMP */
#ifdef HAVE_LIB_GLIB
#include <glib.h>
#endif /* #ifdef HAVE_LIB_GLIB */
#include <libspectrum.h>
#include "debugger_internals.h"
#include "fuse.h"
#include "ui/ui.h"
#include "utils.h"
static GArray *registered_events;
void
debugger_event_init( void )
{
registered_events = g_array_new( FALSE, FALSE, sizeof( debugger_event_t ) );
}
int
debugger_event_register( const char *type, const char *detail )
{
debugger_event_t event;
event.type = utils_safe_strdup( type );
event.detail = utils_safe_strdup( detail );
g_array_append_val( registered_events, event );
return registered_events->len - 1;
}
static int
event_matches( debugger_event_t *event, const char *type, const char *detail )
{
if( strcasecmp( type, event->type ) ) return 0;
if( strcmp( detail, "*" ) == 0 ) return 1;
if( strcmp( event->detail, "*" ) == 0 ) return 1;
return strcasecmp( detail, event->detail ) == 0;
}
int
debugger_event_is_registered( const char *type, const char *detail )
{
size_t i;
for( i = 0; i < registered_events->len; i++ ) {
debugger_event_t event =
g_array_index( registered_events, debugger_event_t, i );
if( event_matches( &event, type, detail ) ) return 1;
}
return 0;
}
void
debugger_event( int event_code )
{
debugger_event_t event;
debugger_breakpoint *bp;
GSList *ptr, *ptr_next;
int signal_breakpoints_updated = 0;
if( event_code >= registered_events->len ) {
ui_error( UI_ERROR_ERROR, "internal error: invalid debugger event %d",
event_code );
fuse_abort();
}
event = g_array_index( registered_events, debugger_event_t, event_code );
for( ptr = debugger_breakpoints; ptr; ptr = ptr_next ) {
bp = ptr->data;
ptr_next = ptr->next;
if( bp->type != DEBUGGER_BREAKPOINT_TYPE_EVENT ) continue;
if( event_matches( &bp->value.event, event.type, event.detail ) &&
debugger_breakpoint_trigger( bp ) ) {
debugger_mode = DEBUGGER_MODE_HALTED;
debugger_command_evaluate( bp->commands );
if( bp->life == DEBUGGER_BREAKPOINT_LIFE_ONESHOT ) {
debugger_breakpoints = g_slist_remove( debugger_breakpoints, bp );
libspectrum_free( bp );
signal_breakpoints_updated = 1;
}
}
}
if( signal_breakpoints_updated )
ui_breakpoints_updated();
}
/* Tidy-up function called at end of emulation */
void
debugger_event_end( void )
{
int i;
debugger_event_t event;
if( !registered_events ) return;
for( i = 0; i < registered_events->len; i++ ) {
event = g_array_index( registered_events, debugger_event_t, i );
libspectrum_free( event.detail );
libspectrum_free( event.type );
}
g_array_free( registered_events, TRUE );
registered_events = NULL;
}
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