CONTENTS

  Title Page

  Copyright Page

  Preface

  DELTA/XDELTA DESCRIPTION

  1       Entering and Exiting from DELTA/XDELTA
    1.1       Invoking DELTA
    1.2       Exiting from DELTA
    1.3       Invoking XDELTA
      1.3.1        Bootstrapping XDELTA on a VAX 9000
      1.3.2        Bootstrapping XDELTA on a VAX 8530, 8550, 8810 (8700), 8820, 8820-N (8800), 8830, and 8840
      1.3.3        Bootstrapping XDELTA on a VAX 8600 or a VAX 8650
      1.3.4        Bootstrapping XDELTA on a VAX 8200, 8250, 8300, or 8350
      1.3.5        Bootstrapping XDELTA on a VAX 6000 Series
      1.3.6        Bootstrapping XDELTA on a VAXstation 3100 and MicroVAX 3100 Series
      1.3.7        Bootstrapping XDELTA on a VAXft 3000
      1.3.8        Bootstrapping XDELTA on a MicroVAX 2000, VAXstation 2000, MicroVAX 3400 Series, VAXstation 3520, VAXstation o
      1.3.9        Bootstrapping XDELTA on a VAX-11/780 or a VAX-11/785
      1.3.10       Bootstrapping a VAX-11/730 Using the VMS Console TU58
    1.4       Requesting an Interrupt
    1.5       Accessing the Initial Breakpoint
    1.6       Proceeding from Initial XDELTA Breakpoints
    1.7       Exiting from XDELTA

  2       DELTA and XDELTA Symbols and Expressions
    2.1       Symbols Supplied by DELTA and XDELTA
    2.2       Forming Numeric Expressions

  3       Guidelines for Debugging Programs with DELTA or XDELTA
    3.1       Referencing Addresses
    3.2       Referencing Registers
    3.3       Interpreting the Error Message
    3.4       Using XDELTA on Multiprocessing Systems

  DELTA/XDELTA USAGE SUMMARY

  DELTA/XDELTA Commands
    [ (Set Display Mode)
    / (Open Location and Display Contents in Prevailing Width Mode)
    !  (Open Location and Display Contents in Instruction Mode)



    " (Open Location and Display Contents in ASCII)

    ;B (Breakpoint)
    ;P (Proceed from Breakpoint)
    ;G (GO)
    S (Step Instruction)
    O (Step Instruction Over Subroutine)
    ' (Deposit ASCII String)
    ;E (Execute Command String)
    ;X (Load Base Register)
    = (Display Value of Expression)
    ;M (Set All Processes Writable)
    ;L (List Names and Locations of Loaded Executive Images)
    EXIT (Exit From DELTA Debugging Session)

  A   Sample DELTA Debug Session

  EXAMPLES

  A-1        Program for Getting LOGINTIMs

  A-2        LOGINTIM Program Map File

  A-3        Delta Debug Session Example

  TABLES

  DELT-1    Boot Command Qualifier Values

  DELT-2    BOOT Command Qualifiers for the VAX 9000

  DELT-3    DELTA/XDELTA Symbols

  DELT-4    Arithmetic Operators

  DELT-5    DELTA/XDELTA Command Summary