Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
SYMPT
Control Block Contents
SYMPT DSECT
Cross Reference (Contains links to field and bit definitions)
SYMPT Prolog
NAME : HCPSYMPT DESCRIPTION: Symbol LOCATE Pointer Block DSECT : SYMPT FUNCTION : The Symbol LOCATE Pointer Blocks are chained from the SYMLH. Each SYMPT controls a set of SYMTB entries. LOCATED BY : SYMLHPT1 in SYMLH SYMPTFWD in SYMPT CREATED BY : HCPCFD DELETED BY : None REFERENCES : None SERIALIZED : Additions or changes to the SYMPT entries and to the SYMTB entries requires exclusive control of the SYMLHLCK lock. Searches of the SYMPT entries and of the SYMTB entries requires shared control of the SYMLHLCK lock. RELOCATION CONSIDERATIONS : None
SYMPT Control Block Content
SYMPT DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure SYMPT Symbol LOCATE Pointer Block 0000 0 Address 4 SYMPTFWD Real address of next SYMPT 0004 4 Address 4 SYMPTST Virtual address of start of map 0008 8 Address 4 SYMPTND Virtual address of end of map 000C 12 Signed 4 SYMPTLN Length of each SYMTB in the map 0010 16 Signed 4 SYMPTEND (0) The end
SYMPT Storage Layout
*** SYMPT - Symbol LOCATE Pointer Block * * +---------------------------+---------------------------+ * 0 | SYMPTFWD | SYMPTST | * +---------------------------+---------------------------+ * 8 | SYMPTND | SYMPTLN | * +---------------------------+---------------------------+ * *** SYMPT - Symbol LOCATE Pointer Block
SYMPT Cross Reference
Symbol Dspl Value -------------- ---- ----- SYMPTEND 0010 SYMPTFWD 0000 SYMPTLN 000C SYMPTND 0008 SYMPTST 0004
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