VTFNDMOD

Use VTFNDMOD to determine the VTAM® module name and displacement for a given address.

VTFNDMOD is useful for converting the issuer address (ISSR) in a VIT into a module name and displacement. It searches up to 5000 bytes before the specified address.

In addition to the module name and displacement into the module that the specified address represents, the following information is displayed:

Date module compiled
PTF level, if any
Address entered
Module entry point address
Address displacement into module
First hexadecimal 40 bytes of the module
Hexadecimal 40 bytes around the entered address
The beginning and ending address of a region, if the address is in FLPA, MLPA, PLPA, extended PLPA, extended FLPA, or extended MLPA

Operands

You must specify one address or one symbol.

Address: Enter 1–8 hexadecimal digits in the form X'x…' for the address used to determine the VTAM module name and displacement. If the address is fewer than 8 digits, it is padded on the left with zeros.
Note: The address must be located after the module name at the start of the module.
IPCS symbol: Enter 1–31 alphanumeric characters for an IPCS symbol name that has been previously equated to a location within a VTAM module. Do not include a period.
Under IPCS, the symbol X represents the address currently being displayed. If the current address points to a location within a VTAM module, X may be used to refer to it.

Equated symbol

After the module name is determined, an IPCS symbol (the module name) is equated to the beginning of the CSECT.

Symbol: Description
module eye-catcher: Module entry point

Use the following syntax as an alternative to the panel interface.

Syntax


>>-VTFNDMOD--+- --ADDR--(--address--)--+-----------------------><
             '- --SYMBOL--(--symbol--)-'

Sample output

VTFNDMOD ADDR(X'2B023C0')
 
                             VTFNDMOD Analysis
 
Module name:               ISTORCEI
Compile date:              92.262
 
Address entered:           02B023C0
Module entry point:        02B022C0
                           --------
Displacement into module:       100
 
First '40'X bytes of module:
 
 DATA: 02B022C0
    +0000  47F0F014  0FC9E2E3  D6D9C3C5  C940F9F2  | .00..ISTORCEI 92 |
    +0010  4BF2F6F2  90ECD00C  18CF41B0  CFFF41A0  | .262..}......... |
    +0020  BFFF4190  AFFF4180  9FFF4170  8FFF50D0  | ..............&} |
    +0030  C5C84160  C5C45060  D00818D6  1F005000  | EH.-ED&-};.O..&. |
 
Storage around address entered:
 
 DATA: 02B023AC
    +0000  C54A5860  04085800  65701860  D203602C  | E+.-.......-K.-. |
    +0010  C61CD203  6028C618  5800C630  18204100  | F.K.-.F...F..... |
    +0020  00585830  20005030  60001E06  8B300002  | ......&.-....... |
    +0030  1E035000  C7085820  C7145020  60485020  | ..&;G...G.&.-.&. |