RFR: 8314265: Fix -Wconversion warnings in miscellaneous runtime code [v7]

[Coleen Phillimore]

On Thu, 17 Aug 2023 01:01:02 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Fix MaxElementPrintSize and casts. Also fixed miscellaneous -Wconversion warnings in runtime code.  This is the last one I'm going to do for runtime for a while.
>> Tested with tier1-4.
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   put sizes back to uint32_t.

I reverted much of elfFile.cpp, except a few casts already.

-------------

PR Review: https://git.openjdk.org/jdk/pull/15233#pullrequestreview-1582475421