!+ 
 ! PROCESS OR GLOBAL SECTION DEFINITIONS 
 !- 
 !...$SECDEF	
  
 ! 
 ! ***** L_VBN, L_WINDOW, AND B_PFC MUST BE THE SAME OFFSET VALUES AS THE 
 ! ***** EQUIVALENTLY NAMED OFFSETS IN $PFLDEF 
 ! 
 MACRO		SEC$L_GSD	= 0,0,32,0%; 			!GLOBAL SECTION DESCRIPTOR ADDRESS 
 MACRO		SEC$L_CCB	= 0,0,32,0%; 			!CHANNEL CONTROL BLOCK ADDRESS IF PROCESS SECTION 
 MACRO		SEC$W_SECXFL	= 4,0,16,0%; 		!SECTION INDEX FORWARD LINK 
 MACRO		SEC$W_SECXBL	= 6,0,16,0%; 		!SECTION INDEX BACKWARD LINK 
 MACRO		SEC$L_VPXPFC	= 8,0,32,0%; 		!START VIRT PAGE INDEX & PFC 
 						! 
 MACRO		SEC$V_VPX	= 8,0,22,0%; 			! STARTING VIRTUAL PAGE INDEX 
 							! UNUSED 
 MACRO		SEC$V_PFC	= 8,24,8,0%; 			! PAGE FAULT CLUSTER 
 			
 MACRO		SEC$B_PFC	= 11,0,8,0%; 			!PAGE FAULT CLUSTER 
 MACRO		SEC$L_WINDOW	= 12,0,32,0%; 		!WINDOW CONTROL BLOCK 
 MACRO		SEC$L_VBN	= 16,0,32,0%; 			!BASE VIRTUAL BLOCK NUMBER 
 MACRO		SEC$W_FLAGS	= 20,0,16,0%; 			!VARIOUS CONTROL FLAGS 
 			 
 MACRO		SEC$V_GBL	= 20,0,1,0%; 			! GLOBAL SECTION 
 LITERAL	SEC$M_GBL	= 1^1 - 1^0; 
 MACRO		SEC$V_CRF	= 20,1,1,0%; 			! COPY ON REFERENCE 
 LITERAL	SEC$M_CRF	= 1^2 - 1^1; 
 MACRO		SEC$V_DZRO	= 20,2,1,0%; 			! DEMAND ZERO 
 LITERAL	SEC$M_DZRO	= 1^3 - 1^2; 
 MACRO		SEC$V_WRT	= 20,3,1,0%; 			! WRITABLE 
 LITERAL	SEC$M_WRT	= 1^4 - 1^3; 
 MACRO		SEC$V_SHMGS	= 20,4,1,0%; 			! SHARED MEMORY GLOBAL SECTION 
 LITERAL	SEC$M_SHMGS	= 1^5 - 1^4; 
 							! SPARE 
 MACRO		SEC$V_WRTMOD	= 20,6,2,0%; 		! WRITE ACCESS MODE FOR SECTION 
 LITERAL	SEC$M_WRTMOD	= 1^8 - 1^6; 
 MACRO		SEC$V_AMOD	= 20,8,2,0%; 			! ACCESS MODE OF SECTION 
 LITERAL	SEC$M_AMOD	= 1^10 - 1^8; 
 							! SPARE 
 MACRO		SEC$V_PERM	= 20,14,1,0%; 			! PERMANENT SECTION 
 LITERAL	SEC$M_PERM	= 1^15 - 1^14; 
 MACRO		SEC$V_SYSGBL	= 20,15,1,0%; 		! 1 = SYSTEM GLOBAL, 0 = GROUP GLOBAL 
 LITERAL	SEC$M_SYSGBL	= 1^16 - 1^15; 
 ! 
 ! *****  THE FOLLOWING FLAGS ARE INDICATORS FOR $MGBLSC AND $CRMPSC SYSTEM 
 ! *****  SERVICE REQUESTS AND ARE NOT STORED IN THE FLAGS WORD FIELD. 
 ! 
 MACRO		SEC$V_PFNMAP	= 20,16,1,0%; 		! MAP TO SPECIFIC PFN'S 
 LITERAL	SEC$M_PFNMAP	= 1^17 - 1^16; 
 MACRO		SEC$V_EXPREG	= 20,17,1,0%; 		! MAP INTO FIRST FREE ADDRESS SPACE 
 LITERAL	SEC$M_EXPREG	= 1^18 - 1^17; 
 MACRO		SEC$V_PROTECT	= 20,18,1,0%; 		! CHECK WRITE ACCESS MODE (WRTMOD) 
 LITERAL	SEC$M_PROTECT	= 1^19 - 1^18; 
 MACRO		SEC$V_PAGFIL	= 20,19,1,0%; 		! GLOBAL SECTION HAS PAGE FILE BACKING STORE 
 LITERAL	SEC$M_PAGFIL	= 1^20 - 1^19; 
 			
 MACRO		SEC$B_AMOD	= 21,0,8,0%; 		!ACCESS MODE OF SECTION 
 MACRO		SEC$L_REFCNT	= 24,0,32,0%; 		!COUNT OF PTE'S REFERENCING THIS SECTION 
 MACRO		SEC$L_PAGCNT	= 28,0,32,0%; 		!NO. OF PAGES IN THE SECTION 
 ! 
 ! ***** NOTE THAT NUMBER OF LONG WORDS MUST BE EVEN 
 ! 
 LITERAL	SEC$C_LENGTH	= 32; 
 LITERAL	SEC$K_LENGTH	= 32; 				!SIZE OF PSTE/GSTE 
  
 !+ 
 ! MATCH CONTROL VIELD VALUES 
 !- 
  
 LITERAL	
 $EQULST (SEC$K_,GBL,0,1 			! BASE OF ZERO , INCR 1 
 	,(MATALL,) 					! MATCH ALWAYS, USE GLOBAL SECTION 
 	,(MATEQU,) 					! MATCH IF ISD$L_IDENT EQU GBL ID 
 	,(MATLEQ,) 					! MATCH IF ISD$L_IDENT LEQ GBL ID 
 	);