RFR: 8294187: RISC-V: Unify all relocations for the backend into AbstractAssembler::relocate() [v2]

[Fei Yang]

On Fri, 23 Sep 2022 11:56:27 GMT, Xiaolin Zheng <xlinzheng at openjdk.org> wrote:

>> Unify all relocations into AbstractAssembler::relocate() as a simple cleanup.
>> 
>> Tested hotspot tier1 and tier2 on QEMU.
>
> Xiaolin Zheng has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Migrate them to the next patch for AbstractAssembler has their counterparts
>  - Remove useless add_debug_info_for_branch(adr, CodeEmitInfo*)

Updated changes look good. Thanks.

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

Marked as reviewed by fyang (Reviewer).

PR: https://git.openjdk.org/jdk/pull/10384