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MODULE MDA (					!Examine MCB dump
		IDENT = '003010',
		LANGUAGE (BLISS16, BLISS36) ,
		MAIN = MDA
		) =
BEGIN
!
!
!
!                    COPYRIGHT (c) 1980, 1981, 1982
!                    DIGITAL EQUIPMENT CORPORATION
!                        Maynard, Massachusetts
!
!     This software is furnished under a license and may  be  used
!     and copied only in accordance with the terms of such license
!     and with the inclusion of the above copyright notice.   This
!     software  or any other copies thereof may not be provided or
!     otherwise made available to any other person.  No  title  to
!     and ownership of the software is hereby transferred.
!
!     The information  in  this  software  is  subject  to  change
!     without  notice  and should not be construed as a commitment
!     by DIGITAL EQUIPMENT CORPORATION.
!
!     DIGITAL assumes no responsibility for the use or reliability
!     of  its  software  on  equipment  which  is  not supplied by
!     DIGITAL.
!

!++
! FACILITY: MDA
!
! ABSTRACT:
!
!
! THIS MODULE CONTAINS THE ROOT ROUTINES FOR THE MCB DUMP ANALYZER
!
!
! ENVIRONMENT: ANY
!
! AUTHOR: ALAN D. PECKHAM, CREATION DATE: 14-AUG-78
!
! MODIFIED BY:
!
!	Alan D. Peckham, 2-Jul-80 : VERSION 3
! 01	- Update for MCB V3.0
!--

!
! TABLE OF CONTENTS:
!

FORWARD ROUTINE
    MDA : NOVALUE;				!MCBDA main routines.

!
! INCLUDE FILES
!

LIBRARY 'MDACOM';				!MDA COMMON DEFINITIONS

!
! MACROS:
!

MACRO
    SUPPORT_STRING =
	%CHAR(MDA_SUPPORT), %,
    VERSION_STRING =
	%NUMBER(MDA_VERSION), %,
    UPDATE_STRING =
	%IF MDA_UPDATE NEQ 0
	%THEN %STRING('.', %NUMBER (MDA_UPDATE)), %FI %,
    EDIT_STRING =
	%IF MDA_EDIT NEQ 0
	%THEN %STRING('-', %NUMBER (MDA_EDIT)), %FI %,
    VERSION_DISPLAY =
	%STRING(SUPPORT_STRING VERSION_STRING UPDATE_STRING EDIT_STRING) %;

!
! EQUATED SYMBOLS:
!

BIND
    VERSION = CH$ASCII ('Version ', VERSION_DISPLAY),
    LENGTH = %CHARCOUNT ('Version ', VERSION_DISPLAY);

GLOBAL BIND
    VERPTR = CH$ASCII (VERSION_DISPLAY),
    VERLNG = %CHARCOUNT (VERSION_DISPLAY);

!
! OWN STORAGE:
!

GLOBAL
    FLAGS : BITVECTOR [M_MAX_BITS],		!Processing flags.
    TSKCNT,
    TSKLST : BLOCKVECTOR [MDA_MAX_TSKS, 2],
    PRCCNT,
    PRCLST : BLOCKVECTOR [MDA_MAX_PRCS, 1],
    DMPCNT,
    DMPLST : BLOCKVECTOR [MDA_MAX_DMPS, 4],
    DMPBLK : INITIAL (0),
    DMPOFF,
    LSTBLK : INITIAL (0),
    STBBLK : INITIAL (0),
    TTYBLK : INITIAL (0);

!
! EXTERNAL REFERENCES:
!

EXTERNAL ROUTINE
    ANALYZE : NOVALUE,				!Dump crash context.
    ATL : NOVALUE,				!Dump active task list.
    BUFFERS : NOVALUE,				!Dump COMM/EXEC buffers.
    CEX : NOVALUE,				!Dump COMM/EXEC information.
    CLOSE,					!Close a file.
    CLQ : NOVALUE,				!Display the clock queue.
    CMD,					!Get a user command.
    DEV : NOVALUE,				!Dump the device data bases.
    DMPOPN,					!Initialize the dump file.
    DUMP : NOVALUE,				!Dump memory.
    FXD : NOVALUE,				!Dump the fixed tasks.
    HDR : NOVALUE,				!Dump the task headers.
    HELP : NOVALUE,				!Give the user help.
    LSTOPN,					!Initialize the listing device.
    PCBMAP : NOVALUE,				!Dump partition map.
    PCBS : NOVALUE,				!Dump the PCBs.
    POOL : NOVALUE,				!Dump the RSX pool.
!    PROCESS : NOVALUE,				!Display a process memory image.
    RSX : NOVALUE,				!Dump RSX11 information.
    STBOPN,					!Initialize the symbol tables.
    STD : NOVALUE,				!Dump the system task directory.
    TASK : NOVALUE,				!Dump a task image.
    TTYOPN : NOVALUE,				!Initialize the user's terminal.
    TYPE : NOVALUE;				!Display a line on the user's tty.

ROUTINE MDA : NOVALUE =

!++
! FUNCTIONAL DESCRIPTION:
!
!
!
!
! FORMAL PARAMETERS:
!
!	NONE
!
! IMPLICIT INPUTS:
!
!	NONE
!
! IMPLICIT OUTPUTS:
!
!	NONE
!
! ROUTINE VALUE:
!
!	NONE
!
! SIDE EFFECTS
!
!	NONE
!
!--

    BEGIN
    TTYOPN (TTYBLK);				!Get the user's tty.

    DO
	BEGIN

	IF CMD ()
	THEN
	    BEGIN
	    DMPOPN (DMPBLK);			!Initialize the dump file
	    LSTOPN (LSTBLK, .FLAGS [M_WIDE], DMPBLK); !and the listing device
	    STBOPN (STBBLK);			!and the symbol tables.

	    !+
	    ! Analyze the crash context
	    !-

	    IF .FLAGS [M_ANALYZE] THEN ANALYZE ();	!Dump the crash context.

	    !+
	    ! Dump the RSX context information
	    !-

	    IF .FLAGS [M_RSX_CTXT] THEN RSX ();		!Process the RSX11 data bases.

	    !+
	    ! Call appropriate routines to dump requested partition information.
	    !-

	    IF .FLAGS [M_RSX_PARS] THEN PCBMAP ();	!Dump the partition map.

	    !+
	    ! Dump requested task information.
	    !-

	    IF .FLAGS [M_RSX_ATL] THEN ATL ();	!Display the active task list.

	    IF .FLAGS [M_RSX_FXD] THEN FXD ();	!Display the fixed tasks.

	    IF .FLAGS [M_RSX_STD] THEN STD ();	!Display the system task directory.

	    IF .FLAGS [M_RSX_HDR] THEN HDR ();	!Display the task headers.

	    !+
	    ! Dump the Partition Contrl Blocks
	    !-

	    IF .FLAGS [M_RSX_PCBS] THEN PCBS ();	!Display the PCBs.

	    !+
	    ! Dump device information.
	    !-

	    IF .FLAGS [M_RSX_DEV] THEN DEV ();	!Display the device data bases.

	    !+
	    ! Dump the clock queue.
	    !-

	    IF .FLAGS [M_RSX_CLQ] THEN CLQ ();	!Display the clock queu entries.

	    !+
	    ! Dump the RSX pool if asked nicely.
	    !-

	    IF .FLAGS [M_RSX_POOL] THEN POOL ();	!Display the RSX pool.

	    !+
	    ! Dump any requested tasks.
	    !-

	    IF .TSKCNT GTR 0
	    THEN
		BEGIN

		LOCAL
		    TSKNUM;

		INCR TSKNUM FROM 0 TO .TSKCNT - 1 DO
		    TASK (TSKLST [.TSKNUM, 0, 0, 0, 0]);

		TSKCNT = 0;
		END;

	    !+
	    ! Dump the MCB context information
	    !-

	    CEX ();				!Process the MCB comm/exec data bases.

	    !+
	    ! Display the buffer pools.
	    !-

	    IF .FLAGS [M_CEX_POOL] THEN BUFFERS ();

	    !+
	    ! Dump any processes requested.
	    !-

!	    IF .PRCCNT GTR 0
!	    THEN
!		BEGIN
!
!		LOCAL
!		    PRCNUM;
!
!		INCR PRCNUM FROM 0 TO .PRCCNT - 1 DO
!		    PROCESS (PRCLST [.PRCNUM, 0, 0, 0, 0]);
!
!		PRCCNT = 0;
!		END;

	    DUMP ();				!Process any memory dump requests.
	    CLOSE (LSTBLK);			!All finished with these.
	    CLOSE (DMPBLK);			!
	    END;

	!+
	! Give the MDA version number
	!-

	IF .FLAGS [M_VERSION] THEN TYPE (VERSION, LENGTH);

	!+
	! Give the user help
	!-

	IF .FLAGS [M_HELP] THEN HELP (TTYBLK, CH$ASCIZ ('HLP:MCBDA.HLP'));

	END
    WHILE NOT .FLAGS [M_EXIT];

    END;					!OF MDA
END

ELUDOM