RFR: 8253457: Remove unimplemented register stack functions

[Coleen Phillimore]

On Tue, 22 Sep 2020 16:39:45 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> Please review removed functions left over from Itanium.
>> 
>> Ran tier1 testing on Oracle platforms (linux-x64, macos-x64, windows-x64 and linux-aarch64) and built on
>> linux-arm32,linux-ppc64le-debug,linux-s390x-debug,linux-x64-zero.
>> Thanks,
>> Coleen
>
> src/hotspot/os_cpu/linux_arm/thread_linux_arm.hpp line 46:
> 
>> 44:   void  set_last_Java_fp(intptr_t* fp)           { _anchor.set_last_Java_fp(fp);  }
>> 45:   void  set_last_Java_pc(address pc)             { _anchor.set_last_Java_pc(pc);  }
>> 46:
> 
> Why is this remove from _arm, but not for thread_linux_aarch64.hpp

Oops, I didn't mean to remove these ones.

I was focusing on the stack related functions. but I can file an RFE to remove these next.  Thanks!

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PR: https://git.openjdk.java.net/jdk/pull/300