Cataloged procedure for assembly (ASMAC)

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This procedure consists of one job step: assembly. Use the name ASMAC to call this procedure. The result of running this procedure is an object module written to SYSPUNCH and an assembler listing. (See Invoking the assembler on z/OS for more details and another example.)

In the following example, input is provided in the input stream:

//jobname  JOB
//stepname EXEC PROC=ASMAC
//SYSIN    DD   *
⋮
assembler source statements
⋮
/* (delimiter statement)

The statements of the ASMAC procedure are read from the procedure library and merged into the input stream.

Figure 1 shows the statements that make up the ASMAC procedure.

Figure 1. Cataloged procedure for assembly (ASMAC)

//ASMAC    PROC
//*
//********************************************************************
//*   Licensed Materials - Property of IBM                           *
//*                                                                  *
//*   5696-234   5647-A01                                            *
//*                                                                  *
//*   (C) Copyright IBM Corp. 1992, 2008. All Rights Reserved.       *
//*                                                                  *
//*   US Government Users Restricted Rights - Use,                   *
//*   duplication or disclosure restricted by GSA ADP                *
//*   Schedule Contract with IBM Corp.                               *
//*                                                                  *
//********************************************************************
//*                                                                  *
//*   ASMAC                                                          *
//*                                                                  *
//* THIS PROCEDURE RUNS THE HIGH LEVEL ASSEMBLER AND CAN BE USED     *
//* TO ASSEMBLE PROGRAMS.                                            *
//*                                                                  *
//********************************************************************
//C        EXEC PGM=ASMA90
//SYSLIB   DD  DSN=SYS1.MACLIB,DISP=SHR                                         1 
//SYSUT1   DD  DSN=&&SYSUT1,SPACE=(16384,(120,120),,,ROUND),                    2 
//             UNIT=SYSALLDA,DCB=BUFNO=1
//SYSPRINT DD  SYSOUT=*                                                         3 
//SYSLIN   DD  DSN=&&OBJ,SPACE=(3040,(40,40),,,ROUND),                          4 
//             UNIT=SYSALLDA,DISP=(MOD,PASS),
//             DCB=(BLKSIZE=3040,LRECL=80,RECFM=FB,BUFNO=1)

Notes to Figure 1:

1: This statement identifies the macro library data set. The data set name SYS1.MACLIB is an IBM® designation.
2: This statement specifies the assembler work data set. The device class name used here, SYSALLDA, represents a direct-access unit The I/O unit assigned to this name is specified by the installation when the operating system is generated. A unit name such as 3390 or SYSDA can be substituted for SYSALLDA.
3: This statement defines the standard system output class, SYSOUT=*, as the destination for the assembler listing.
4: This statement describes the data set that contains the object module produced by the assembler.