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The OS Control Block folder is built dynamically when the dump is selected for viewing. It contains many key OS control blocks that you might need to reference during your dump viewing session.
The control blocks in this folder are displayed in their own hierarchical tree structure, which shows the parent‑child relationship between control blocks and identifies control block chains.
The following screen shows expanded OS Control Blocks:
CA SymDump System V9.0 --------- Dump Tree --------------------- Line 9 of 699 Command ===> Scroll ===> CSR -------------------------------------------------------------------------------- System XAE1 Asid 01FA UserId MIKED JobName MIKED530 Date 2009/07/11 Time 16.08.53 Program DFHSIP Offset 000AC970 Code SM0103 -------------------------------------------------------------------------- Lvl 2 Cmd Address Description . | OS Control Blocks . 00FA9D00 | | -ASCB . 00FAAFE0 | | -ASVT . 007FDE90 | | -ASXB . 00FCA2C0 | | -CVT . 0201D230 | | -GDA . 00FD2130 | | -IOCOM . 00FCAA38 | | -JESCT . 007FDD14 | | -JSCB . 00F8B5B8 | | -LCCA . 7FF16EA0 - | | -LDA . 00AFA008 | | -LPAQ Chain . 00AFA008 | | | -CDE Program=RTBETSMM . 009CDA08 | | | -CDE Program=IGGPOST0 F1=HELP F2=SPLIT F3=END F4=DUMP F5=RFIND F6=MAP F7=UP F8=DOWN F9=SWAP F10=LEFT F11=RIGHT F12=RETRIEVE
The Address column lists the base address for the control block. The Description field provides the name of the control block and possible additional information to help identify the structure.
Each control block is automatically associated with a map name that is used by default to map the structure. OS control block maps are provided with the standard installation and are loaded automatically when a dump is selected for viewing.
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