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Status Not under consideration
Workspace z/TPF Product Family
Categories z/TPF
Created by Guest
Created on Feb 18, 2015

RELATED IDEAS

Need awareness in Abstracts to macro/header updates that affect current displacements

I originally reported this in PMR 14604,004,000, and was asked to move it to an RFE instead.

Description:
If IBM changes a macro or header in such a way that it moves displacements of existing fields, and/or removes existing fields, that information needs to be stated in the APAR abstract. It would simply have to state the fields involved in such changes, so we could be alerted to it for further review, scanning for impacts, etc. By having that information up front, we can be aware in the early stages of the project to the potential need for reassembly and/or updates to local software.
For example, PJ41092 is hitting tens of macros and headers, changing the displacements of some fields in DCTMFS.mac, and removing a CINFC tag (CMMFS2). The changes to DCTMIO.mac affected some of our local segments, but the impact didn't surface until testing.
It is not practical to always assemble every component involving a macro that was touched by an APAR, nor is it necessary if the change doesn't involve any differences to current fields and/or displacements. We are asking IBM to advise us of the more intrusive macro changes such as was described above.

Idea priority Medium
  • Guest
    Reply
    |     Feb 21, 2020

    IBM considered writing some tooling to identify displacement changes. However, we determined this could not be 100% reliable and based on priorities and resources we have decided not to write any tooling. If customers are using our dsects and headers, then it is recommended to recompile/reassemble the programs that use those dsects and headers when they are listed as changed in the APEDITs.

  • Guest
    Reply
    |     Oct 14, 2015

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - z Systems Software
    Product - z/TPF

    For recording keeping, the previous attributes were:
    Brand - WebSphere
    Product family - Transaction Processing
    Product - z/TPF

  • Guest
    Reply
    |     Mar 3, 2015

    IBM does not intend to do this in the foreseeable future.

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