65 lines
4.1 KiB
HTML
65 lines
4.1 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="task" />
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<meta name="DC.Title" content="Debug at the machine interface level" />
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<meta name="abstract" content="You can debug your programs at the machine interface (MI) level." />
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<meta name="description" content="You can debug your programs at the machine interface (MI) level." />
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<meta name="DC.subject" content="debugging, machine interface level, see='user profile'.security, debugging consideration" />
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<meta name="keywords" content="debugging, machine interface level, see='user profile'.security, debugging consideration" />
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<meta name="DC.Relation" scheme="URI" content="opm.htm" />
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<meta name="DC.Relation" scheme="URI" content="adtrc.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="dbgmi" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Debug at the machine interface level</title>
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</head>
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<body id="dbgmi"><a name="dbgmi"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Debug at the machine interface level</h1>
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<div><p>You can debug your programs at the machine interface (MI) level.</p>
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<div class="section"> <p>To debug your programs at the machine interface (MI) level, you
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can specify an MI object definition vector (ODV) number for the PGMVAR parameter
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of a command and MI instruction numbers for the STMT parameter of a command.
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For a breakpoint, the system stops at the MI instruction number just as it
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would at an HLL statement number. You must always precede the ODV or MI instruction
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number with a slash (/) and enclose it in apostrophes (for example, <samp class="codeph">'/1A'</samp>)
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to signal to the system that you are debugging at the MI level.</p>
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<div class="p">The
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ODV and MI instruction numbers can be obtained from the IRP listing produced
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by most high-level language compilers. Use the *LIST value of the GENOPT
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parameter to produce the IRP listing at program creation time. <div class="note"><span class="notetitle">Note:</span> When
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you debug at the machine interface level, only the characteristics that are
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defined at the machine interface level are available; the HLL characteristics
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that are normally passed to the test environment are not available. These
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HLL characteristics may include: the variable type, number of fractional digits,
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length, and array information. For example, a numeric variable in your HLL
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program may be displayed without the correct decimal alignment or possibly
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as a character string.</div>
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</div>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="opm.htm" title="You can debug your OPM programs by using testing functions.">Debug OPM programs</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="adtrc.htm" title="Adding a trace consists of specifying what statements are to be traced and, if you want, the names of program variables.">Add traces to programs</a></div>
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</div>
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</div>
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</body>
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</html>
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