On 4/07/2014 5:00 PM, Sharuff Morsa3 wrote:
The IBM Debug Tool data sheet says: Display and alteration of 64-bit
general purpose registers in assembler expressions is provided on hardware
that supports 64-bit addressing. Debug Tool correctly displays data items
according to type, including three floating-point data types: binary
(IEEE), decimal and hexadecimal.
(and does a whole lot more...) go see:
ftp://public.dhe.ibm.com/software/htp/pdtools/info/DatasheetDT.pdf
http://www.ibm.com/software/products/en/debugtool/
My experience using IBM Debug Tool to debug C++ programs has left me
totally burned. I have never experienced an IBM product so full of holes
and riddled with bugs as DebugTool.
I don't even bother opening a PMR when I find bugs because they never
get fixed anyway.
Sharuff
[email protected]
Date: Thu, 3 Jul 2014 06:37:41 -0500
From: Barry Merrill <[email protected]>
Subject: TSO Test does not support 65-bit debugging?
To my surprise even in 2014 the TSO TEST command does not support
64-bit debugging!
For example, there is no way to display the contents of a 64 bit
register. TSO TEST only shows the rightmost 32 bits.
Tactically, in the short term there are ways around this by storing
the 64 bit registers into memory for viewing or forcing dumps.
But strategically as we move on further into the 21st Century this
may become this may become a significant problem for supporting
assembler modules in MXG as more use of 64-bit environment is required.
Some modern alternatives to TSO TEST (all at extra cost) are:
. HLASM Tookit from IBM
. Xpediter/TSO from Compuware
. z/XDC from Colesoft Software
Did IBM really drop the ball on this by stabilizing the TSO commands
at what is becoming an increasingly ancient level (non-64-bit)? Or
have we missed something?
Merrilly yours,
Barry Merrill
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