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Intrigued by Simon's suggestion to use DMPOBJ to view the compiled source
for a program or module I tried it and was surprised at the results.

Many years ago on a System/36 I needed to recover some program source and
through investigation found that the source was compressed on the disk, with
multiple occurrences of the same character being reduced to a four byte
sequence along the lines of 72 *'s became something like x'00FE48C3'.

My surprise was that when looking at the dumped object listing there's no
compression in the object at all:

04A260   F040C340 40404040 40404040 40404040   40404040 4040C986 40404040
40404040  *0 C                   If        *
04A280   97F1C9A3 8594C9C4 404C6E40 7D5CC1D3   D37D4040 40404040 40404040
40404040  *p1ItemID <> '*ALL'              *
04A2A0   40404040 40404040 40404040 40404040   40404040 40404040 40404040
40404040  *                                *
04A2C0   4040C2F0 F3404040 40404040 F0F6F1F0   F0F24040 404040F0 F2F1F5F0
F0404000  *  B03       061002     021500   *
04A2E0   40404040 40F1F4F8 F140C340 40404040   40404040 40404040 40404040
4040C986  *     1481 C                   If*

I've always been aware that including debug information in the program
increases the object size, but would have thought that some level of
compression would have been included.  What does the list think?

Jonathan


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Simon Coulter
Sent: 02 October 2006 23:05
To: Midrange Systems Technical Discussion
Subject: Re: Print Debug Listing


On 03/10/2006, at 4:02 AM, Michael Ryan wrote:

Anyone know how to print a debug listing? I want to RTVRPGSRC in a way
-
looks like some source code was lost. I know I can do it with APIs, 
but if there's a quick way to print the debug listing, it would save 
time.

It's not pretty but if the program was compiled with DBGVIEW(*LIST) then
DMPOBJ will show you the debug listing.

Regards,
Simon Coulter.
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