Integrated: 8256486: Linux/Windows-x86 builds broken after JDK-8254231

[Jorn Vernee]

On Tue, 17 Nov 2020 17:19:13 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

> JDK-8254231 breaks the Linux and Windows x86 (32-bit) builds. This contains the needed changes to get it working again.
> 
> Perhaps the most interesting change is adding the `JNI_ENTRY_CPP_NOENV` macro. Using just JNI_ENTRY was causing a linkage failure, due to the declaration of the function in the class not having the same linkage specifiers. It looks like we can't just specify C linkage for class member functions.
> 
> However, in this case C linkage is not required, so I've added the new macro which doesn't have `extern "C"`. I've also dropped the `JNIEnv*` parameter, since it was not being used, but causing extra work for the caller.
> 
> Other than that, it's just about adding default definitions for missing functions, and moving around some code in MacroAssembler to be in the correct `#ifdef` blocks.
> 
> Testing: `make images` on Linux and Windows x86_32 platforms.

This pull request has now been integrated.

Changeset: 7c73fff3
Author:    Jorn Vernee <jvernee at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/7c73fff3
Stats:     88 lines in 12 files changed: 45 ins; 27 del; 16 mod

8256486: Linux/Windows-x86 builds broken after JDK-8254231

Reviewed-by: shade

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PR: https://git.openjdk.java.net/jdk/pull/1266