SYMLH

Prolog  

Control Block Contents  
   SYMLH DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

SYMLH Prolog

 NAME       : HCPSYMLH
 DESCRIPTION: Symbol LOCATE Header Block
 DSECT      : SYMLH
 FUNCTION   : The Symbol LOCATE Header Block locates and controls the
              SYMPT blocks and their SYMTB entries, which are used
              by the LOCATE command, and other locate facilities in
              CP, to locate and identify CP external labels.
 LOCATED BY : SYSLOCAT in SYSCM.
 CREATED BY : HCPCFDIN during system initialization.
 DELETED BY : None
 REFERENCES : None
 SERIALIZED : Additions or changes to the SYMPT entries and to the
              SYMTB entries require exclusive control of the
              SYMLHLCK lock.
              Searches of the SYMPT entries and of the SYMTB entries
              require shared control of the SYMLHLCK lock.

SYMLH Control Block Content

SYMLH DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      SYMLH          Symbol LOCATE Header Block
0000    0 Dbl-Word     8 SYMLHLCK (3)   Lock word.
0018   24 Address      4 SYMLHPT1       Address of first SYMPT
001C   28 Character    1 SYMLHEND (0)   The end

SYMLH Storage Layout

          
*** SYMLH - Symbol LOCATE Header Block
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       SYMLHLCK                        =
*     |                                                       |
*     +---------------------------+---------------------------+
*  18 |         SYMLHPT1          |
*     +---------------------------+
*
*** SYMLH - Symbol LOCATE Header Block

SYMLH Cross Reference

Symbol         Dspl Value
-------------- ---- -----
SYMLHEND       001C
SYMLHLCK       0000
SYMLHPT1       0018