RFR: JDK-8256864: [windows] Improve tracing for mapping errors [v5]

[Thomas Stuefe]

On Wed, 2 Dec 2020 11:38:29 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Feedback Ioi
>
> Hi Thomas,
> 
> I've got a few minor comments for you.
> 
> Have you got a sample of the trace you could share in this PR?
> 
> Thanks, Richard.

Hi @reinrich 

thanks a lot for your review. Please take a look at the new version.

I modified the test to create a test mapping, just for showing that the snippets are printed out okay. See below, 64- and 32-bit-versions (look for "ABCD" to find the mapping).

[printout-32.txt](https://github.com/openjdk/jdk/files/5629650/printout-32.txt)
[printout-64.txt](https://github.com/openjdk/jdk/files/5629651/printout-64.txt)

Cheers, Thomas

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PR: https://git.openjdk.java.net/jdk/pull/1390