RFR: 8351256: Improve printing of runtime call stub names in disassember output [v2]

[Andrew Dinn]

> Fixes printing of runtime stub call targets in disassembler listings.

Andrew Dinn has updated the pull request incrementally with two additional commits since the last revision:

 - skip reloc_none case when printing stub targets in nmethods
 - add stub target printing for more reloc types

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Changes:
  - all: https://git.openjdk.org/jdk/pull/23915/files
  - new: https://git.openjdk.org/jdk/pull/23915/files/f976e016..8f774199

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=23915&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23915&range=00-01

  Stats: 16 lines in 2 files changed: 15 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/23915.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23915/head:pull/23915

PR: https://git.openjdk.org/jdk/pull/23915