Rational Developer for System z
Enterprise PL/I for z/OS, Version 3.8, Programming Guide

Compile, prelink, load and run (IBMZCPG)

The IBMZCPG cataloged procedure, shown in Figure 13, achieves the same results as IBMZCPLG but uses the loader instead of the linkage editor. Instead of using four procedure steps (compile, prelink, link-edit, and run), it has only three (compile, prelink, and load-and-run). The third procedure step runs the loader program. The loader program processes the object module produced by the compiler and runs the resultant executable program immediately. You must provide input data for the compilation step by supplying a qualified ddname PLI.SYSIN.

The use of the loader imposes certain restrictions on your PL/I program; before using this cataloged procedure, see z/OS Language Environment Programming Guide, which explains how to use the loader.

Figure 13. Cataloged Procedure IBMZCPG
//IBMZCPG PROC LNGPRFX='IBMZ.V3R8M0',LIBPRFX='CEE',
//             SYSLBLK=3200,PLANG=EDCPMSGE
//*
//********************************************************************
//*                                                                  *
//* LICENSED MATERIALS - PROPERTY OF IBM                             *
//*                                                                  *
//* 5655-H31 (C) COPYRIGHT IBM CORP. 1999, 2008                      *
//* ALL RIGHTS RESERVED.                                             *
//*                                                                  *
//* US GOVERNMENT USERS RESTRICTED RIGHTS - USE,                     *
//* DUPLICATION OR DISCLOSURE RESTRICTED BY GSA                      *
//* ADP SCHEDULE CONTRACT WITH IBM CORP.                             *
//*                                                                  *
//********************************************************************
//*
//* IBM ENTERPRISE PL/I FOR Z/OS
//* VERSION 3 RELEASE 8 MODIFICATION 0
//*
//*  COMPILE, PRELINK, LOAD AND RUN A PL/I PROGRAM
//*
//*  PARAMETER  DEFAULT VALUE    USAGE
//*   LNGPRFX   IBMZ.V3R8M0      PREFIX FOR LANGUAGE DATA SET NAMES
//*   LIBPRFX   CEE              PREFIX FOR LIBRARY DATA SET NAMES
//*   SYSLBLK   3200             BLKSIZE FOR OBJECT DATA SET
//*   PLANG     EDCPMSGE         PRELINKER MESSAGES MEMBER NAME
//*
//*********************************************************************
//* COMPILE STEP
//*********************************************************************
//PLI      EXEC PGM=IBMZPLI,PARM='OBJECT,OPTIONS'
//STEPLIB  DD  DSN=&LNGPRFX;.SIBMZCMP,DISP=SHR
//         DD  DSN=&LIBPRFX;.SCEERUN,DISP=SHR
//SYSPRINT DD  SYSOUT=*
//SYSOUT   DD  SYSOUT=*
//SYSLIN   DD  DSN=&&LOADSET,DISP=(MOD,PASS),UNIT=SYSALLDA,
//             SPACE=(CYL,(1,1)),DCB=(LRECL=80,BLKSIZE=&SYSLBLK)
//SYSUT1   DD  DSN=&&SYSUT1,UNIT=SYSALLDA,
//             SPACE=(1024,(200,50),,CONTIG,ROUND),DCB=BLKSIZE=1024
//*********************************************************************
//* PRE-LINK-EDIT STEP
//*********************************************************************
//PLKED    EXEC PGM=EDCPRLK,COND=(8,LT,PLI)
//STEPLIB  DD  DSN=&LIBPRFX;.SCEERUN,DISP=SHR
//SYSMSGS  DD  DSN=&LIBPRFX..SCEEMSGP(&PLANG),DISP=SHR
//SYSLIB   DD  DUMMY
//SYSMOD   DD  DSN=&&PLNK,DISP=(,PASS),
//             UNIT=SYSALLDA,SPACE=(CYL,(1,1)),
//             DCB=(RECFM=FB,LRECL=80,BLKSIZE=&SYSLBLK)
//SYSIN    DD  DSN=*.PLI.SYSLIN,DISP=(OLD,DELETE)
//SYSPRINT DD  SYSOUT=*
//SYSOUT   DD  SYSOUT=*
//*********************************************************************
//* LOAD AND RUN STEP
//*********************************************************************
//GO       EXEC PGM=LOADER,PARM='MAP,PRINT',
//             COND=((8,LT,PLI),(8,LE,PLKED))
//STEPLIB  DD  DSN=&LIBPRFX;.SCEERUN,DISP=SHR
//SYSLIB   DD  DSN=&LIBPRFX..SCEELKED,DISP=SHR
//SYSPRINT DD  SYSOUT=*
//SYSLIN   DD  DSN=*.PLKED.SYSMOD,DISP=(OLD,DELETE)
//SYSLOUT  DD  SYSOUT=*
//CEEDUMP  DD  SYSOUT=*
//SYSUDUMP DD  SYSOUT=*

For more information on other cataloged procedures, see z/OS Language Environment Programming Guide.


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