Example #1
0
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 );
}
Example #2
0
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;
    }
}
Example #3
0
void Warn( char *p )
{
    DUIMsgBox( p );
    DUIFlushKeys(); /* clear any pending keystrokes */
    RingBell();
}
Example #4
0
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 );
}