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; SCCSID = @(#)pdb.asm 1.1 85/04/10
BREAK <Process data block>
;
; Process data block (otherwise known as program header)
;
FilPerProc EQU 20
Process_data_block STRUC
PDB_Exit_Call DW ? ; INT int_abort system terminate
PDB_block_len DW ? ; size of execution block
DB ?
PDB_CPM_Call DB 5 DUP (?) ; ancient call to system
PDB_Exit DD ? ; pointer to exit routine
PDB_Ctrl_C DD ? ; pointer to ^C routine
PDB_Fatal_abort DD ? ; pointer to fatal error
;----+----+----+----+----+----+----+----+----+----+----+----+----+----+----;
; C A V E A T P R O G R A M M E R ;
; ;
PDB_Parent_PID DW ? ; PID of parent (terminate PID)
PDB_JFN_Table DB FilPerProc DUP (?)
; indices into system table
; ;
; C A V E A T P R O G R A M M E R ;
;----+----+----+----+----+----+----+----+----+----+----+----+----+----+----;
PDB_environ DW ? ; seg addr of environment
;----+----+----+----+----+----+----+----+----+----+----+----+----+----+----;
; C A V E A T P R O G R A M M E R ;
; ;
PDB_User_stack DD ? ; stack of self during system calls
PDB_JFN_Length DW ? ; number of handles allowed
PDB_JFN_Pointer DD ? ; pointer to JFN table
PDB_Next_PDB DD ? ; pointer to nested PDB's
PDB_PAD1 DB 14h DUP (?)
; ;
; C A V E A T P R O G R A M M E R ;
;----+----+----+----+----+----+----+----+----+----+----+----+----+----+----;
PDB_Call_system DB 5 DUP (?) ; portable method of system call
;----+----+----+----+----+----+----+----+----+----+----+----+----+----+----;
; C A V E A T P R O G R A M M E R ;
; ;
PDB_PAD2 DB 7h DUP (?)
; ;
; C A V E A T P R O G R A M M E R ;
;----+----+----+----+----+----+----+----+----+----+----+----+----+----+----;
Process_data_block ENDS
PDB_InterCon EQU BYTE PTR PDB_PAD1 ; 2/12/KK
PDB_Append EQU BYTE PTR PDB_PAD1+1 ; 2/12/KK
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