Programming Interface Information: This information is NOT intended to be used as Programming Interfaces of z/VM.

#### KRAB

Prolog

Control Block Contents
KRAB DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### KRAB Prolog

     NAME       : STRUCPRA
     DSECT      : KRAB
     DESCRIPTION: Kernel run-time anchor block (one per thread)

#### KRAB Control Block Content

#### KRAB DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      KRAB           Kernel run-time anchor block (one
                                            per thread)
    0000    0 Signed       4 * (0)
    0000    0 Address      4 KRA_BOS        base of stack
    0004    4 Address      4 KRA_EOS        end of stack
    0008    8 Address      4 KRA_OFLOW      overflow routine entry pt.
              0000000C       KRA_SIZE       *-KRAB
              A Kernel DSA Frame Header

#### KRAB Storage Layout

    *** KRAB - Kernel run-time anchor block (one per thread)
    *
    *     +---------------------------+---------------------------+
    *   0 |         KRA_BOS           |         KRA_EOS           |
    *     +---------------------------+---------------------------+
    *   8 |        KRA_OFLOW          | C
    *     +---------------------------+
    *
    *** KRAB - Kernel run-time anchor block (one per thread)

#### KRAB Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    KRA_BOS        0000
    KRA_EOS        0004
    KRA_OFLOW      0008
    KRA_SIZE       0008 0000000C

This information is based on z/VM V5R2.0.
Last updated on 6 Dec 2005 at 15:44:54 EDT.
Copyright IBM Corporation, 1990, 2005