bool ReportTrap( unsigned conditions, bool stack_cmds )
{
bool cmds_pushed;
char *p;
if( conditions & COND_EXCEPTION ) {
RecordMsgText( &conditions ); // get the 'access violation, etc' message
p = StrCopy( LIT_ENG( Task_Exception ), TxtBuff );
if( MsgText != NULL ) StrCopy( MsgText, p );
MsgText = DbgRealloc( MsgText, strlen( TxtBuff ) + 1 );
StrCopy( TxtBuff, MsgText );
DUIMsgBox( MsgText );
}
if( conditions & (COND_EXCEPTION|COND_TERMINATE) ) {
RingBell();
}
DisplayMsgText();
if( conditions & COND_USER ) {
DUIInfoBox( LIT_ENG( User_Interupt ) );
PurgeInpStack();
RecordAsynchEvent();
} else if( conditions & COND_TERMINATE ) {
DUIInfoBox( LIT_ENG( Task_Completed ) );
_SwitchOff( SW_HAVE_TASK );
} else if( conditions & COND_LIBRARIES ) {
Format( TxtBuff, "%s '%s'", LIT_ENG( Break_on_DLL_Load ), GetLastImageName() );
DUIInfoBox( TxtBuff );
} else {
DUIStatusText( LIT_ENG( Empty ) );
}
cmds_pushed = DispBPMsg( stack_cmds );
DbgUpdate( UP_MEM_CHANGE | UP_CSIP_CHANGE | UP_REG_CHANGE |
UP_CODE_EXECUTED | UP_THREAD_STATE );
return( cmds_pushed );
}
void ReportTask( task_status task, error_idx code )
{
switch( task ) {
case TASK_NEW:
_SwitchOn( SW_HAVE_TASK );
DUIStatusText( LIT_ENG( New_Task ) );
DUIDlgTxt( LIT_ENG( New_Task ) );
break;
case TASK_NOT_LOADED:
_SwitchOff( SW_HAVE_TASK );
Format( TxtBuff, LIT_ENG( Task_Not_Loaded ), code );
DUIMsgBox( TxtBuff );
RingBell();
RingBell();
break;
case TASK_NONE:
_SwitchOff( SW_HAVE_TASK );
DUIStatusText( LIT_ENG( No_Task ) );
DUIDlgTxt( LIT_ENG( No_Task ) );
break;
}
}
void Warn( char *p )
{
DUIMsgBox( p );
DUIFlushKeys(); /* clear any pending keystrokes */
RingBell();
}
unsigned CheckBPs( unsigned conditions, unsigned run_conditions )
{
brkp *bp;
item_mach item;
bool hit, bphit, wphit;
bool state_set;
mad_type_info mti;
wphit = false;
state_set = false;
bphit = false;
for( bp = BrkList; bp != NULL; bp = bp->next ) {
if( !bp->status.b.active )
continue;
hit = false;
if( IS_BP_EXECUTE( bp->th ) ) {
if( HaveHitBP( bp ) ) {
hit = true;
}
} else {
if( SectIsLoaded( bp->loc.addr.sect_id, OVL_MAP_EXE ) ) {
MADTypeInfo( bp->th, &mti );
if( ItemGetMAD( &bp->loc.addr, &item, IT_NIL, bp->th ) ) {
/*
* If the breakpoint fires here because of a write, but the value hasn't changed then
* the breakpoint does not fire off!!!! The SupportsExactBreakpoints actually enables
* break on write, not break on change and allocates the exact data space - not plus
* or minus a few bytes...
*
*/
if( _IsOn( SW_BREAK_ON_WRITE ) && IsExactBreakpointsSupported() ) {
bool drop_hit = false;
if( ( UserTmpBrk.status.b.active ) || ( DbgTmpBrk.status.b.active ) ) {
if( HaveHitBP( &UserTmpBrk ) ) {
drop_hit = true;
}
if( HaveHitBP( &DbgTmpBrk ) ) {
drop_hit = true;
}
if( ! ( conditions & ( COND_BREAK | COND_WATCH | COND_TRACE | COND_USER | COND_EXCEPTION | COND_STOP ) ) ) {
drop_hit = true;
}
}
if( !drop_hit )
hit = true;
} else {
if( ( memcmp( &bp->item, &item, mti.b.bits / BITS_PER_BYTE ) != 0 ) || !bp->status.b.has_value ) {
hit = true;
}
}
} else if( bp->status.b.has_value ) {
if( conditions & ( COND_BREAK | COND_WATCH | COND_TRACE | COND_USER | COND_EXCEPTION | COND_STOP ) ) {
hit = true;
}
}
}
}
if( hit ) {
bp->total_hits++;
}
if( hit && bp->condition != NULL && bp->status.b.use_condition ) {
_SwitchOn( SW_ERR_IN_TXTBUFF );
if( !state_set ) {
/* gets all the registers updated */
SetProgState( run_conditions );
state_set = true;
}
if( SpawnP( TestExpression, bp ) == 0 ) {
if( !bp->status.b.expr_true ) {
hit = false;
} else {
bp->status.b.expr_true = false;
}
} else {
bp->status.b.expr_error = true;
bp->error = DupStr( TxtBuff );
hit = true;
}
_SwitchOff( SW_ERR_IN_TXTBUFF );
}
if( hit && bp->status.b.use_countdown && bp->countdown != 0 && !bp->status.b.expr_error ) {
if( --bp->countdown != 0 ) {
hit = false;
}
}
if( hit ) {
if( IS_BP_EXECUTE( bp->th ) ) {
bphit = true;
} else {
wphit = true;
}
bp->status.b.hit = true;
}
}
if( state_set ) {
/* we might have changed a register in eval'ing conditions */
WriteDbgRegs();
}
if( HaveHitBP( &UserTmpBrk ) ) {
bphit = true;
UserTmpBrk.status.b.hit = true;
}
if( HaveHitBP( &DbgTmpBrk ) ) {
bphit = true;
DbgTmpBrk.status.b.hit = true;
}
if( bphit )
return( COND_BREAK | ( conditions & ~COND_STOPPERS ) );
if( wphit )
return( COND_WATCH | ( conditions & ~COND_STOPPERS ) );
if( conditions & COND_BREAK ) {
unsigned max = TXT_LEN;
ReadDbgRegs();
if( MADUnexpectedBreak( &DbgRegs->mr, TxtBuff, &max ) == MS_OK ) {
WriteDbgRegs();
if( max == 0 ) {
conditions &= ~COND_STOPPERS;
if( _IsOff( SW_CONTINUE_UNEXPECTED_BREAK ) ) {
conditions |= COND_TRACE;
}
return( conditions );
} else if( SetMsgText( TxtBuff, &conditions ) ) {
DUIMsgBox( TxtBuff );
return( COND_TRACE | COND_MESSAGE | ( conditions & ~COND_STOPPERS ) );
} else {
return( conditions & ~COND_STOPPERS );
}
} else {
return( conditions & ~COND_STOPPERS );
}
} else if( conditions & COND_WATCH ) {
return( conditions & ~COND_STOPPERS );
}
return( conditions );
}