RFR: JDK-8267930: Refine code for loading hsdis library [v5]

[Yasumasa Suenaga]

On Tue, 1 Jun 2021 07:40:38 GMT, Hamlin Li <mli at openjdk.org> wrote:

>> code for loading hsdis library is redundant, this is to simplify it.
>
> Hamlin Li has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - reorder arguments
>  - reorder arguments

src/hotspot/share/compiler/disassembler.cpp line 818:

> 816:   if (jvm_offset >= 0) {
> 817:     // 1. <home>/lib/<vm>/libhsdis-<arch>.so
> 818:     _library = dll_load(buf, jvm_offset, sizeof buf, ebuf, sizeof ebuf, st);

All of `dll_load()` are called with incorrect arguments order - length is should be just after offset.

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PR: https://git.openjdk.java.net/jdk/pull/4260