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Selection of Alternative Subfields for Table-Driven Trace Record Formatting

IP.com Disclosure Number: IPCOM000040337D
Original Publication Date: 1987-Oct-01
Included in the Prior Art Database: 2005-Feb-02

Publishing Venue

IBM

Related People

Authors:
Ku, KS Ritter, ME [+details]

Abstract

When processing table-driven code, it is often necessary to select certain parts of the table. This is particularly useful with respect to a trace entry table. The control mechanism described below gives the following branch capabilities: 1) It allows for selection of alternatives on equal and unequal comparisons. 2) It allows for selecting alternative field processing within the table. 3) It allows for selecting alternative line processing within the table. A brief explanation of the table which is used for this example is needed to clarify how the selection of alternative subfields mechanism works. The table contains the information for the formatting of all trace entry types. For each kind of trace entry there are multiple line entries in the table.