On Sat, 2 Jul 2022 02:12:15 GMT, Julian Waters <jwat...@openjdk.org> wrote:

> Several instances of function pointers in jdk.crypto.cryptoki are marked with 
> the dllimport attribute, which should only be applied to symbol declarations, 
> of which a typedef'd function pointer is not. This would only be useful if a 
> function pointer defined in the linked dll is desired to be imported, not if 
> the pointer itself is created locally and used to store a function address. 
> In addition to being incorrect, at least on the versions of Visual C++ the 
> JDK supports today, it is also redundant; Typically they are used to avoid an 
> indirect stub that jumps to the proper entry in the import address table, but 
> usage of these typedefs involves loading the address of a function and 
> directly (Usually through GetProcAddress, even in other cases it would simply 
> be set to the address of a function anyway) assigning it to the pointer 
> before immediately dispatching when called, which bypasses this procedure 
> entirely and makes the attribute pointless.

This pull request has now been integrated.

Changeset: 0dda3c14
Author:    Julian Waters <jwat...@openjdk.org>
Committer: Valerie Peng <valer...@openjdk.org>
URL:       
https://git.openjdk.org/jdk/commit/0dda3c14ebe040158dcc5a87d349d5286c48b573
Stats:     6 lines in 2 files changed: 0 ins; 0 del; 6 mod

8289275: Remove incorrect __declspec(dllimport) attributes from pointers in 
jdk.crypto.cryptoki

Reviewed-by: valeriep

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

PR: https://git.openjdk.org/jdk/pull/9353

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