OTH - if this module makes no system calls or other subroutine calls, then
it does not need a save area of its own, so it can use the caller's
provided area
[snip]
The question is not whether or not the code *can* use the caller's save area.
The code *shall* use the caller's save area to save
Hello Craig
You are right . i was able to locate those modules in SIEALNKE .similarly ,
the proc and samp members in samplib/proclib as well . Thanks a lot !
Regards,
Baby
On Thu, Jun 27, 2013 at 1:31 AM, craig.p...@fotlinc.com wrote:
The program directory documents all the files. The NON
yes..we do . my seniors said that only ZFS is wat is needed . But , i still
had a doubt if those libraries were optional . After reading Craig's
response , i checked it again and its clarified now .Thanks for the help .
On Thu, Jun 27, 2013 at 4:54 PM, baby eklavya baby.ekla...@gmail.comwrote:
As someone said , java is a pretty simple install . the program directory has
everything documented . you really don't need a senior systems programmer's
expertise to do this . you can read through and complete the install yourself .
But if you need any suggestions , we are always here to help
On Wed, 26 Jun 2013 18:28:08 -0400, John Gilmore wrote:
Tom and I differ about this, profoundly.
Maybe yes, maybe no.
My view, which I have already tried to make clear, is that a routine
[or a routine entry and its associated code path] must [almost always]
follow the conventions of the
The gap between Tom's views and mine is perhaps smaller than I had thought.
I had supposed that my words and this is formally correct would
suffice to make it clear that I conceded, if that be the right word,
that alternatives to the use of DSAs are available. They did not, and
I should perhaps
On Wed, 26 Jun 2013 22:45:50 -0700, Ed Jaffe wrote:
AFAIK, there is only one 4K range of virtual addresses guaranteed to
generate 0C4 now and forever: 7000 - 7FFF.
I didn't know that. Is it documented anywhere?
The 4K range from - 0FFF is key 0 storage and, as such,
is
From: Tom Marchant m42tom-ibmm...@yahoo.com
Date: 06/27/2013 10:46 AM
On Wed, 26 Jun 2013 22:45:50 -0700, Ed Jaffe wrote:
AFAIK, there is only one 4K range of virtual addresses guaranteed to
generate 0C4 now and forever: 7000 - 7FFF.
I didn't know that. Is it documented anywhere?
In 51cb818a.2060...@t-online.de, on 06/27/2013
at 02:04 AM, Bernd Oppolzer bernd.oppol...@t-online.de said:
I believe that in OS/360's time the designers then couldn't do much
better.
Due to management, not to technology.
When I first met the IBM world (in 1982), I was kind of impressed
by
In 01ee01ce72d0$ac412e80$04c38b80$@mindspring.com, on 06/26/2013
at 05:53 PM, Lizette Koehler stars...@mindspring.com said:
Because many of us asked for IBM to do this. We found that groups
outside of Sysprogs were using SMPE to verify fixes. We did not want
them altering the environment.
In z/OS, it is also protected (most of the time) by low-address protection.
When bit 35 of CR0 is '1'b, then a CPU instruction cannot modify this area.
Even in key 0. The area, of course, can be updated by various interrupts.
This refers to low core in the real address sense, not in the absolute
On Jun 27, 2013, at 10:10 AM, John McKown john.archie.mck...@gmail.com wrote:
But, since
each CP has its own real address 0 range of 8K, are the other CP's FLC
mapped into virtual storage on this CP?
The answer is yes; each processor is described by a control block called the
PCCA and field
On Thu, 27 Jun 2013 09:39:01 -0500, Tom Marchant wrote:
On Wed, 26 Jun 2013 22:45:50 -0700, Ed Jaffe wrote:
AFAIK, there is only one 4K range of virtual addresses guaranteed to
generate 0C4 now and forever: 7000 - 7FFF.
I didn't know that. Is it documented anywhere?
The 4K range from
On 6/27/2013 7:39 AM, Tom Marchant wrote:
On Wed, 26 Jun 2013 22:45:50 -0700, Ed Jaffe wrote:
AFAIK, there is only one 4K range of virtual addresses guaranteed to
generate 0C4 now and forever: 7000 - 7FFF.
I didn't know that. Is it documented anywhere?
Documented? Unlikely. But Jim
On 6/27/2013 8:25 AM, Paul Gilmartin wrote:
This thread appears to have drifted from a discussion of 7000
to a discussion of PSA. But a search of z/OZ publibz for the former
finds a few tantalizing references such as:
...
152 (98)ADDRESS 4 OUCBWORKQTOKEN
On 6/27/2013 8:39 AM, Ed Jaffe wrote:
On 6/27/2013 8:25 AM, Paul Gilmartin wrote:
This thread appears to have drifted from a discussion of 7000
to a discussion of PSA. But a search of z/OZ publibz for the former
finds a few tantalizing references such as:
...
152 (98)
I am wondering if anybody else has the same problem that I have with how
the Principles of Operation, in PDF format, is laid out. Basically, in
today's electronic world, why is this publication still formatted in two
columns? On my normal PC, in portrait mode, I must either view an entire
page at
Why?
On 6/27/2013 8:45 AM, Jim Phoenix wrote:
On 6/27/2013 8:39 AM, Ed Jaffe wrote:
On 6/27/2013 8:25 AM, Paul Gilmartin wrote:
This thread appears to have drifted from a discussion of 7000
to a discussion of PSA. But a search of z/OZ publibz for the former
finds a few tantalizing
A couple of questions
What version of z/OS?
Have you searched the Internet? I found a couple of relevant hits already
Second, the RC25 says
25
There is a space management request on an SMS-managed volume with DBA or DBU
specified, or a nonzero value of days on MIGRATE (days) or DAYS (days) is
Here I agree strongly with Shmuel. Make the data read-only or
inaccessible if you must, but leave the tools alone.
John Gilmore, Ashland, MA 01721 - USA
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On 6/27/2013 9:15 AM, Jim Phoenix wrote:
So that long displacement instructions are guaranteed to get a S0C4 as
well if the base register is not initialized properly.
It's not z/OS's responsibility to protect us from any possible bug.
We're lucky we get one 4K hole for use by 31-bit code. We
many of the redbooks now supply epub format -
And yes, I still miss bookmanager.
Mike
On Thu, Jun 27, 2013 at 11:12 AM, Tom Marchant m42tom-ibmm...@yahoo.comwrote:
On Thu, 27 Jun 2013 10:48:57 -0500, John McKown wrote:
why is this publication [Principles of Operation] still formatted in two
So that long displacement instructions are guaranteed to get a S0C4 as well if
the base register is not initialized properly.
On 6/27/2013 8:51 AM, Ed Jaffe wrote:
Why?
On 6/27/2013 8:45 AM, Jim Phoenix wrote:
On 6/27/2013 8:39 AM, Ed Jaffe wrote:
On 6/27/2013 8:25 AM, Paul Gilmartin
Lizette,
We are running z/OS 01.13.00. Yes I googled the command etc which led me to
the Storage admin doc. I do not know how to check if the volume has a DBA or
DBU specified. I thought usually that this would apply to non-SMS vols.
From: Lizette Koehler
On Thu, 27 Jun 2013 12:06:21 -0400, John Gilmore wrote:
Here I agree strongly with Shmuel. Make the data read-only or
inaccessible if you must, but leave the tools alone.
In the intense discussion of this topic here in April 2010, IBM
employes took the position that that is ineffective or not
On Thu, 27 Jun 2013 10:48:57 -0500, John McKown wrote:
why is this publication [Principles of Operation] still formatted in two
columns?
I find that annoying too.
--
Tom Marchant
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On Thu, 27 Jun 2013 09:25:40 -0700, Ed Jaffe wrote:
The area between 2G and 4G is guaranteed as a hole (unless you use an
undocumented parameter to acquire store there). I suggest that 64-bit
code load 3G into its unused registers to guarantee 0C4 even when long
displacements are used.
There
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of John McKown
Sent: Tuesday, June 25, 2013 8:16 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: z/OS subroutine in assembler, used in both batch CICS , making
re-entrant
IMO, this is a rather
On 27 June 2013 11:48, John McKown john.archie.mck...@gmail.com wrote:
Would it be worth while to tell IBM that the document would be much more
readable if it were like the other manuals; having only one column of text,
except perhaps for tables?
I have had nothing but good results from my
Something akin to Mike Ward's scheme will work well.
My own preference would, however, be for two different entry points.
It is ugly to take a foregone code-path decision at execution time
when it can be taken at bind time.
John Gilmore, Ashland, MA 01721 - USA
Not possible. This was designed 20+ years ago and is in use by about 650
different programs, combined CICS and batch, currently in production.
Trying to get either all of the batch xor all of the CICS programs changed
to use a different name is politically impossible. The original person
should
On Thu, 27 Jun 2013 09:25:40 -0700, Ed Jaffe wrote:
The area between 2G and 4G is guaranteed as a hole (unless you use an
undocumented parameter to acquire store there).
... or if there is Java in the address space.
--
Tom Marchant
Another article relating to the decline of IBM:
http://www.cringely.com/2013/06/20/ibm-to-customers-your-hand-is-staining-my-window/
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Cringley makes some valid points, but many of them are applicable to almost all
publically-owned companies. He's also known for not being fond of IBM so take
all of his comments with a grain of salt.
Bob Shannon
Rocket Software
To be able do to maintenance to such subroutines that are called from many
other places, we usually put them in a module that is called
dynamically. We do
this using MVS-LOAD and we store the EP address statically in the
calling modules
CSECT (the LOAD is done, if it's zero, if not, it's
How to break unit aff in SMS tape when tape dataset are directed to different
SMS tape storage group?
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Getting too complicate for this particular need. And cannot dynamically
modify the program itself because we want the programs in CICS to be loaded
into read only storage (ERDSA). That's the whole driving force behind
making the HLASM re-entrant. Original problem is memory overlays by errant
CICS
Ok,
the modules being in read-only storage is currently not supported by our
approach.
Another drawback is, that if there are different callers to the same
routine, every
caller has to do the LOAD once, until it has it's own copy of the EPA in
its static CSECT,
which leads to many
During the Test under Mask thread I was moved to consult this bible for
the first time in ages. Dual column format is a major PITA. Took me twice
as long to chase the bouncing ball. Totally unwarranted in the age of
online browsing.
.
.
JO.Skip Robinson
Southern California Edison Company
I think Gil is on to something here. At SHARE conferences following
announcement of the change, I got the impression that rank and file
thought it was major overkill--even killing by friendly fire--to control
product usage in this way. But the shotgun solution was mandated from on
high to
Well, I've send an email off to IBM. We shall see. I've found that
pdftotext on my Linux system will extract the text. I'll may see if I can
use this to make a LaTex document which I will then reformat into an epub
for personal use only. Wish I could then share that, but I regard that as a
Really? Is it not better (for ease of use rather than absolute performance)
for the single called routine to be required to make the environmental
distinction than to have dozens or hundreds of calling programs call the
specific entry point for the environment in which it is working? Are
Finally this is an issue of taste, and tastes differ.
Both absolute performance and ease of maintenance dictate, I think ,
different, separately assembled and bound routines for different
environments.
It is of course possible, and often desirable, to write a single
framing macro that can be
On Thu, 27 Jun 2013 14:03:14 -0700, Skip Robinson wrote:
I think Gil is on to something here. At SHARE conferences following
announcement of the change, I got the impression that rank and file
thought it was major overkill--even killing by friendly fire--to control
product usage in this way. But
I am out of the office until 07/08/2013.
Vacation. If an emergency, call 845-901-2328.
Note: This is an automated response to your message Re: Reader Comment on
SA22-7832-08 (PoPS), should I? sent on 06/27/2013 17:15:50.
This is the only notification you will receive while this person is
z/OS 1.13. SDSF shows me:
SDSF JOB DATA SET DISPLAY - JOB GIMZIP (JOB06889)LINE 1-13 (13)
PREFIX=* DEST=(ALL) OWNER=user SORT=StepName/A SYSNAME=
NP DDNAME StepName ProcStep DSID OwnerC Dest Rec-Cnt
JESJCLIN 1 user A
IBM still has a lot of manuals in two column format. I've put up with that
format for years. I would be much happier with one column.
Don
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU]
On Behalf Of Tom Marchant
Sent: Thursday, June 27, 2013
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