RFR(XXS) 8198287: Cleanup ElfFile usage in whitebox.cpp

[David Holmes]

Looks fine. Thanks for cleaning it up. I dislike having "elf" stuff in 
shared files but that's a different matter.

David

On 21/02/2018 7:07 AM, Zhengyu Gu wrote:
> elfFile.hpp is included twice in whitebox.cpp file.
> 
> The original one is included under LINUX guard for
> WB_CheckLibSpecifiesNoexecstack test, which is only valid on Linux 
> platform.
> 
> JDK-8193373 [1] added additional test for all supported platforms, which 
> includes LINUX, so above instance should be removed.
> 
> 
> Bug: http://cr.openjdk.java.net/~zgu/8198287/webrev.00/
> Webrev: http://cr.openjdk.java.net/~zgu/8198287/webrev.00/
> 
> 
> [1] https://bugs.openjdk.java.net/browse/JDK-8193373
> 
> 
> Test:
>    test-hotspot-gtest on Linux 64 (fastdebug and release)
> 
> 
> Thanks,
> 
> -Zhengyu