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CZADEFBL parameters

CZADEFBL obtains its parameters from the PARM= parameter of the EXEC PGM=CZADEFBL statement. The parameters are not case-sensitive (with the exception of any %d or %s, that must be coded in lower case as shown). The parameters are as follows:

Parameter

Description

BIAS(nnn)

Specifies an optional relocation factor to be added to each assembled offset.

Example

If you code BIAS(X’50’) and GET("GBase(%s %d)"), then a field that assembles with an offset of 8 and a length of 4 would be formatted with a Get specification of GBase(X’58’ 4).

BIAS() is useful when the assembled DSECT represents an area that the event producer appends onto some other record area with a fixed length. Specify that fixed length as the value of BIAS(). You can specify a positive or negative bias up to ±2 gigabytes. If you omit BIAS, the default value becomes 0.

COND("CSpec")

Specifies an optional Cond specification to be added to each Field DEF produced.

Example

If you define fields that are only present in sub-type 5 of the event record, you can code COND("CSubTp(EQ 5)").

This parameter is optional; if omitted, no Cond specification is included on the Field DEFs.

CONTEXT(context)

Specifies the context for the Field DEFs. This parameter is required.

GET("GSpec")

Specifies the Get specification template for the Field DEFs. You can (and typically should) use one or two % codes in the specification: the first (or only ) should be coded as %s and the second might be coded as %d. CZADEFBL substitutes the offset of the field for %s and the length of the field for %d. This parameter is required.

MINOFFset(nnn)

Specifies an optional minimum offset. No DEFs are created for fields with an offset less than specified. This parameter is typically used with SMF records where the first 20 bytes are defined by SMF_Common fields. This parameter might be abbreviated as MINOFF. If this parameter is omitted, the default value becomes zero.

SECTion(section)

Specifies an optional Control Section (CSECT) or Dummy Section (DSECT) name in the assembly. If this parameter is coded then all sections other than the named section are ignored. You can abbreviate this parameter as SECT. Code a section name of 1 to 63 characters. If this parameter is omitted, then all sections in the assembly are processed.

TRACE(trace_specification)

Specifies an optional diagnostic trace. You can code any of the trace types described in Using-the-TRACE-facility, but only MISC has any effect on CZADEFBL.

Important

If this parameter is omitted, then no diagnostic trace is the output.

Related topic

Creating-field-definitions-with-the-CZADEFBL-program

 

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