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Order No. GC28-6538-10 OS
Systems Reference Library
IBM OS
Linkage Editor and Loader
PrDgram Numbers 36DS-ED-SID
36DS-ED-S21
3SDS-LD-S47
This publication provides the information necessary to
use the linkage editor or loader program of the IBM
System/360 Operating System to prepare the output of a
language translator for execution. The intended
audience is a customer applications programmer coding
in a higher-level language or a system programmer
responsible for installing and maintaining the
operating system. An introductory knowledge of the
concepts and facilities of .the IBM System/360 Operating
Sys~em is required to use this reference guide most
effectively.
The linkage editor combines and edits modules to
produce a single module that can be brought into main
storage by program fetch for execution. It operates as
a processing program rather than as part of the control
program. The linkage editor provides several
processing facilities that are either performed
automatically or invoked in response to control
statements prepared by the programmer.
The loader combines the basic editing and loading
functions of the linkage editor and program fetch in
one job step. It is designed for high-performance
loading of modules that do not require the special
processing facilities of the linkage editor and fetch,
such as overlay. The loader does not produce load
modules for program libraries.
Eleventh Edition (April 1973)
This is a reprint of GC28-6538-9 incorporating changes released in
technical newsletter GN26-0761 (dated December 19, 1972).
This is a major revision of, and makes obsolete, Order No. GC28-6538-8.
Information about CSECT Identification records has been added. Minor
changes have been made throughout.
This edition corresponds to Release 21 of the IBM System/360 Operating
System and to all subsequent releases until otherwise indicated in new
editions or Technical Newsletters.
changes are periodically made to the specifications herein; before using
this publication in connection with the operation of IBM systems, refer
to the latest SRL Newsletter, Order No. GN20-0360, for editions that
are applicable and current.
Requests for copies of IBM publications should be made to your IBM
representative or to the IBM Branch Office serving your locality.
A form for readers' comments is provided at the back of this
publication. If the form has been removed, comments may be addressed to
IBM Corporation, Programming Publications, Department 078, Monterey and
Cottle Roads, San Jose, California 95114.