RFR: 8350893: Use generated names for hand generated opto runtime blobs

[Vladimir Kozlov]

On Thu, 27 Feb 2025 18:00:37 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

> The two special case opto runtime blobs that support uncommon trap and exception handling are currently being generated using hard wired blob names determined by port-specific code. They should employ the standard blob names generated from shared declarations in file stubDeclarations.hpp.

@adinn  I am printing assembler code (`-XX:CompileCommand=print,Test::test) on Mac M1 for nmethod and see this with latest JDK:

  0x000000010ca8c468:   movz            x8, #0x6d00         ;   {runtime_call StubRoutines (finalstubs)}
  0x000000010ca8c46c:   movk            x8, #0xca0, lsl #16
  0x000000010ca8c470:   movk            x8, #0x1, lsl #32
  0x000000010ca8c474:   blr             x8


before (jdk 23) it was:


  0x000000011115fe2c:   movz            x8, #0xf340         ;   {runtime_call Stub::nmethod_entry_barrier}
  0x000000011115fe30:   movk            x8, #0x1106, lsl #16
  0x000000011115fe34:   movk            x8, #0x1, lsl #32
  0x000000011115fe38:   blr             x8



It could be something changed in code generation but **StubRoutines (finalstubs)** is not helpful.

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PR Comment: https://git.openjdk.org/jdk/pull/23829#issuecomment-2692387726