RFR: JDK-8320005 : Allow loading of shared objects with .a extension on AIX [v15]

[Martin Doerr]

On Tue, 6 Feb 2024 08:45:12 GMT, Suchismith Roy <sroy at openjdk.org> wrote:

>> J2SE agent does not start and throws error when it tries to find the shared library ibm_16_am.
>> After searching for ibm_16_am.so ,the jvm agent throws and error as dll_load fails.It fails to identify the shared library ibm_16_am.a shared archive file on AIX.
>> Hence we are providing a function which will additionally search for .a file on AIX ,when the search for .so file fails.
>
> Suchismith Roy has updated the pull request incrementally with one additional commit since the last revision:
> 
>   change control flow

src/hotspot/os/aix/os_aix.cpp line 1178:

> 1176:   if (pointer_to_dot == nullptr) {
> 1177:     log_info(os)("Attempting to load a shared object without extension %s", filename);
> 1178:     return result;

Memory leak: `file_path` not freed before returning.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16604#discussion_r1479524411