!*** MODULE $DMPDEF ***
CDEC$ OPTIONS /NOALIGN
! 
!  LAYOUT OF THE HEADER BLOCK OF THE SYSTEM DUMP FILE
!  (WHICH IS THE FIRST DISK BLOCK OF SYS$SYSTEM:SYSDUMP.DMP)
! 
	PARAMETER DMP$M_SELECT_DUMPSTYLE = '00000001'X
	PARAMETER DMP$M_FULL_MESSAGES = '00000002'X
	PARAMETER DMP$M_DO_DOSD = '00000004'X
	PARAMETER DMP$M_COMPRESSED_DUMP = '00000008'X
	PARAMETER DMP$M_IGN_DOSD_VOLLABEL_CHK = '00000010'X
	PARAMETER DMP$M_DOSD_IGNORE_SIZE_CHK = '00000200'X
	PARAMETER DMP$M_NO_DOTS = '00000400'X
	PARAMETER DMP$M_BUGCHECK_SQUARED = '00000800'X
	PARAMETER DMP$M_DOSD_7K_VALIDATE_PATHS = '00008000'X
	PARAMETER DMP$M_DOSD_7K = '0FFF0000'X
	PARAMETER DMP$M_OLDDUMP = '00000001'X
	PARAMETER DMP$M_EMPTY = '00000002'X
	PARAMETER DMP$M_HDRBLK = '00000004'X
	PARAMETER DMP$M_ERRLOG = '00000008'X
	PARAMETER DMP$M_MEMORY = '00000010'X
	PARAMETER DMP$M_SPT = '00000020'X
	PARAMETER DMP$M_WRITECOMP = '00000040'X
	PARAMETER DMP$M_ERRLOGCOMP = '00000080'X
	PARAMETER DMP$M_DUMP_STYLE = '00000F00'X
	PARAMETER DMP$M_DUMP_COPIED = '00001000'X
	PARAMETER DMP$M_DUMP_COPING = '00002000'X
	PARAMETER DMP$M_CLUE_SNAPDONE = '00004000'X
	PARAMETER DMP$M_DUMP_IN_USE = '00008000'X
	PARAMETER DMP$K_FULL_DUMP = '00000000'X	!  FULL PHYSICAL MEMORY DUMP (OLD WAY)
	PARAMETER DMP$K_SUBSET_DUMP = '00000001'X !  SUBSETTED DUMP FILE (NOT ALL INFO SAVED)
	PARAMETER DMP$C_DUMP_LUMP = '0000007F'X	!  NUMBER OF SPTES REQUIRED FOR SUBSET DUMPS
	PARAMETER DMP$M_COMPRESSED = '00000001'X
	PARAMETER DMP$M_NOTSAVED = '00000002'X
	PARAMETER DMP$M_VAXDUMP = '00000004'X
	PARAMETER DMP$M_ALPHADUMP = '00000008'X
	PARAMETER DMP$M_BITS_4_7 = '000000F0'X
	PARAMETER DMP$C_MEMDSCSIZ = '00000008'X	!  SIZE OF ONE MEMORY DESCRIPTOR 
	PARAMETER DMP$C_NMEMDSC = '00000008'X	!  NUMBER OF MEMORY DESCRIPTORS 
	PARAMETER DMP$K_DUMPVER = '00000530'X	!  DUMP FILE VERSION NUMBER
	PARAMETER DMP$K_LENGTH = '00000084'X	!  LENGTH OF FILE HEADER 
	PARAMETER DMP$C_LENGTH = '00000084'X	!  LENGTH OF FILE HEADER 
	STRUCTURE /DMPDEF/
	    UNION
	        MAP
	        INTEGER*4 DMP$L_ERRSEQ			!  LAST ERROR LOG SEQ. NUMBER 
	        END MAP
	        MAP
	            PARAMETER DMP$S_SELECT_DUMPSTYLE = 1
	            PARAMETER DMP$V_SELECT_DUMPSTYLE = 0	!  Differentiate between full and subset dumps
	            PARAMETER DMP$S_FULL_MESSAGES = 1
	            PARAMETER DMP$V_FULL_MESSAGES = 1	!  To keep the risc and cisc platforms in step
	            PARAMETER DMP$S_DO_DOSD = 1
	            PARAMETER DMP$V_DO_DOSD = 2		!  Requests for Dump Off System Disk behaviour
	            PARAMETER DMP$S_COMPRESSED_DUMP = 1
	            PARAMETER DMP$V_COMPRESSED_DUMP = 3	! 
	            PARAMETER DMP$S_IGN_DOSD_VOLLABEL_CHK = 1
	            PARAMETER DMP$V_IGN_DOSD_VOLLABEL_CHK = 4 !  Over-ride volume label check on DOSD device
	            PARAMETER DMP$S_DOSD_IGNORE_SIZE_CHK = 1
	            PARAMETER DMP$V_DOSD_IGNORE_SIZE_CHK = 9 ! Allow > 2Meg full dumps
	            PARAMETER DMP$S_NO_DOTS = 1
	            PARAMETER DMP$V_NO_DOTS = 10		!  Disallow printing them
	            PARAMETER DMP$S_BUGCHECK_SQUARED = 1
	            PARAMETER DMP$V_BUGCHECK_SQUARED = 11	!  Prevent recursive bugchecks
	            PARAMETER DMP$S_DOSD_7K_VALIDATE_PATHS = 1
	            PARAMETER DMP$V_DOSD_7K_VALIDATE_PATHS = 15 !  For Neon systems only, validate both paths to system disk 
	            PARAMETER DMP$S_DOSD_7K = 12
	            PARAMETER DMP$V_DOSD_7K = 16		!  For Neon systems only dump device  1 -> FFF
	        BYTE %FILL (3)
	        END MAP
	    END UNION
	    UNION
	        MAP
	            INTEGER*2 DMP$W_FLAGS			!  DUMP FILE FLAGS
	        END MAP
	        MAP
	            PARAMETER DMP$S_OLDDUMP = 1
	            PARAMETER DMP$V_OLDDUMP = 0		!  SET IF DUMP ALREADY ANALYZED 
	            PARAMETER DMP$S_EMPTY = 1
	            PARAMETER DMP$V_EMPTY = 1		!  SET IF DUMP HAS NO DATA BLOCKS 
	            PARAMETER DMP$S_HDRBLK = 1
	            PARAMETER DMP$V_HDRBLK = 2		!  SET IF ERROR WRITING FIRST BLOCK OF DUMP HEADER
	            PARAMETER DMP$S_ERRLOG = 1
	            PARAMETER DMP$V_ERRLOG = 3		!  SET IF ERROR WRITING BLOCKS 2-3 OF DUMP HEADER
	            PARAMETER DMP$S_MEMORY = 1
	            PARAMETER DMP$V_MEMORY = 4		!  SET IF ERROR WRITING MEMORY CONTENTS TO DUMP FILE
	            PARAMETER DMP$S_SPT = 1
	            PARAMETER DMP$V_SPT = 5			!  SET IF ERROR WRITING SYSTEM PAGE TABLE BLOCKS TO DUMP FILE
	            PARAMETER DMP$S_WRITECOMP = 1
	            PARAMETER DMP$V_WRITECOMP = 6		!  SET IF DUMP WRITE WAS COMPLETED
	            PARAMETER DMP$S_ERRLOGCOMP = 1
	            PARAMETER DMP$V_ERRLOGCOMP = 7		!  SET IF HEADER/ERROR LOGS WRITE WAS COMPLETED
	            PARAMETER DMP$S_DUMP_STYLE = 4
	            PARAMETER DMP$V_DUMP_STYLE = 8		!  SET TO DIFFERENTIATE BETWEEN DIFFERENT STYLE DUMPS
	            PARAMETER DMP$S_DUMP_COPIED = 1
	            PARAMETER DMP$V_DUMP_COPIED = 12	!  Set if SDA has successfully copied this dump
	            PARAMETER DMP$S_DUMP_COPING = 1
	            PARAMETER DMP$V_DUMP_COPING = 13	!  Set if this dump is being copied 
	            PARAMETER DMP$S_CLUE_SNAPDONE = 1
	            PARAMETER DMP$V_CLUE_SNAPDONE = 14	!  Set if CLUE has taken a snapshot of this dump
	            PARAMETER DMP$S_DUMP_IN_USE = 1
	            PARAMETER DMP$V_DUMP_IN_USE = 15
	            BYTE %FILL (2)				!  Set if this dump is being written 
	        END MAP
!  DUMP_STYLE BITFIELD SETTINGS
	    END UNION
	    UNION
	        MAP
	            BYTE      DMP$B_FLAGS2			!  More dump file flags
	        END MAP
	        MAP
	            PARAMETER DMP$S_COMPRESSED = 1
	            PARAMETER DMP$V_COMPRESSED = 0		!  SET IF DUMP DATA IS COMPRESSED
	            PARAMETER DMP$S_NOTSAVED = 1
	            PARAMETER DMP$V_NOTSAVED = 1		!  Set by SYSINIT if SAVEDUMP not set and dump in PAGEFILE.SYS
	            PARAMETER DMP$S_VAXDUMP = 1
	            PARAMETER DMP$V_VAXDUMP = 2		!  Never set
	            PARAMETER DMP$S_ALPHADUMP = 1
	            PARAMETER DMP$V_ALPHADUMP = 3		!  Always set
	            PARAMETER DMP$S_BITS_4_7 = 4
	            PARAMETER DMP$V_BITS_4_7 = 4
	            BYTE %FILL (1)				!  SPARE
	        END MAP
	    END UNION
	    BYTE      DMP$B_ERLBUFPAGES		!  PAGES PER ERL BUFFER; IF ZERO, CORRECT VALUE IS ONE
	    INTEGER*4 DMP$L_SBR			!  SYSTEM BASE REGISTER 
	    INTEGER*4 DMP$L_SLR			!  SYSTEM LENGTH REGISTER 
	    INTEGER*4 DMP$L_KSP			!  KERNEL STACK POINTER 
	    INTEGER*4 DMP$L_ESP			!  EXECUTIVE STACK POINTER 
	    INTEGER*4 DMP$L_SSP			!  SUPERVISOR STACK POINTER 
	    INTEGER*4 DMP$L_USP			!  USER STACK POINTER 
	    INTEGER*4 DMP$L_ISP			!  INTERRUPT STACK POINTER 
	    UNION
	        MAP
	        INTEGER*4 %FILL(1:16)			!  RESERVE SPACE FOR 8 MEMORY DESCRIPTORS (2 LONGWORDS EACH)
	        END MAP
	        MAP
	        UNION
	            MAP
	            INTEGER*4 DMP$L_MEMDSC			!  8 MEMORY DESCRIPTORS 
	            END MAP
	            MAP
	                PARAMETER DMP$S_PAGCNT = 24
	                PARAMETER DMP$V_PAGCNT = 0		!  NUMBER OF PAGES IN MEMORY 
	                PARAMETER DMP$S_TR = 8
	                PARAMETER DMP$V_TR = 24			!  TR NUMBER FOR MEMORY 
	                PARAMETER DMP$S_BASEPFN = 32
	                PARAMETER DMP$V_BASEPFN = 32
	                BYTE %FILL (8)				!  BASE PFN FOR MEMORY 
	            END MAP
	        END UNION
	        END MAP
	    END UNION
	    INTEGER*4 DMP$L_SYSVER			!  SYSTEM VERSION NUMBER 
	    INTEGER*4 DMP$L_CHECK			!  ONES COMPLEMENT OF SYSVER 
	    INTEGER*2 DMP$W_DUMPVER			!  DUMP FILE VERSION NUMBER
	    INTEGER*2 DMP$W_ERLBUFCNT		!  NUMBER OF ERROR LOG BUFFERS 
	    INTEGER*2 DMP$W_ERLBUFHEAD		!  RING BUFFER HEAD INDEX 
	    INTEGER*2 DMP$W_ERLBUFTAIL		!  RING BUFFER TAIL INDEX 
	    INTEGER*4 DMP$L_ERRSTATUS		!  LAST ERROR STATUS FROM DUMP WRITE
	    INTEGER*4 DMP$L_DUMPERRS		!  COUNT OF ERRORS DURING DUMP WRITE
	    INTEGER*4 DMP$L_MEMPAGCNT		!  COUNT OF MEMORY PAGES DUMPED
	    INTEGER*4 DMP$L_SAVEPRCCNT		!  COUNT OF SAVED PROCESSES (SUBSET DUMP)
	    INTEGER*4 DMP$L_CRASHERL		!  SYSTEM CRASH ERR LOG ENTRY 
	END STRUCTURE	! DMPDEF
CDEC$ END OPTIONS