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z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

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out of the range shown here (that is, less than 0 or greater than 8), thenld<br />

dynamic allocation message processing is disabled. The default value is:<br />

"4"<br />

Following are the values:<br />

0 Informational<br />

1–4 Warning<br />

5–8 Severe<br />

_LD_DAMPNAME<br />

The name of the dynamic allocation message processing program called by<br />

ld. It must be a member of a data set in the search order used for MVS<br />

programs. The default dynamic allocation message processing program is<br />

described in z/<strong>OS</strong> MVS Programming: Authorized Assembler <strong>Services</strong><br />

Guide. The default value is:<br />

"IEFDB476"<br />

_LD_DCBU<br />

The DCB parameters used by ld for data sets with the attributes of record<br />

format undefined and data set organization partitioned. This DCB is used by<br />

ld for the output file when it is to be written to a data set. The default value<br />

is:<br />

"(RECFM=U,LRECL=0,BLKSIZE=6144,DSORG=PO)"<br />

_LD_DCB80<br />

The DCB parameters used by ld for data sets with the attributes of record<br />

format fixed blocked and logical record length 80. The default value is:<br />

"(RECFM=FB,LRECL=80,BLKSIZE=5680)"<br />

_LD_DEBUG_DUMP<br />

The name of a data set to be used for capturing diagnosis data during<br />

execution of the binder. An unformatted dump will be written to this data set<br />

by the binder when it encounters a binder ABEND situation (usually<br />

accompanied by message IEW2900W) or when the binder option DUMP is<br />

specified. The data set must have been created before ld is invoked, and<br />

must be created with RECFM=VBA and LRECL=125. If this environment<br />

variable is null, the binder dump will not be captured. The default value is<br />

"" (null)<br />

_LD_DEBUG_TRACE<br />

The name of a data set to be used for capturing diagnosis data during<br />

execution of the binder. An unformatted trace will be written to this data set<br />

by the binder. The data set must have been created before ld is invoked,<br />

and must be created with RECFM=VB and LRECL=84. If this environment<br />

variable is null, the binder trace will not be captured. The default value is<br />

"" (null)<br />

_LD_ENTRY_POINT<br />

The value to be used as the -e option if -e is not specified. The default<br />

value is<br />

"" (null)<br />

_LD_EXTRA_SYMBOL<br />

The value to be used as the -u option if -u is not specified. The default<br />

value is<br />

"" (null)<br />

ld<br />

Chapter 2. Shell command descriptions 337

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