RFR: 8242244: Remove redundant ELF machine definitions

[Magnus Ihse Bursie]

On 2020-04-28 12:52, John Paul Adrian Glaubitz wrote:
> Hi!
>
> On 4/28/20 12:33 PM, Dmitry Chuyko wrote:
>> I have following error during the build of 15 tip:
>>
>> * For target hotspot_variant-server_libjvm_objs_os_linux.o:
>> jdk/src/hotspot/os/linux/os_linux.cpp: In static member function 'static void* os::dll_load(const char*, char*, int)':
>> jdk/src/hotspot/os/linux/os_linux.cpp:1854:6: error: 'EM_486' was not declared in this scope
>>       {EM_486,         EM_386,     ELFCLASS32, ELFDATA2LSB, (char*)"IA 32"},
>>        ^~~~~~
>> jdk/src/hotspot/os/linux/os_linux.cpp:1854:6: note: suggested alternative: 'EM_386'
>>       {EM_486,         EM_386,     ELFCLASS32, ELFDATA2LSB, (char*)"IA 32"},
>>        ^~~~~~
>>        EM_386
>>
>> It happens on CenOS 8 and Ubuntu 20.04 (kernel headers installed), aarch64 and amd64.
> I have opened a bug for the issue [1].
>
> Will publish the fix suggested by Ao Qi once you can confirm it fixes the problem
> for you.
The patch did not seem to solve the problem for me. I'm currently 
cleaning and rebuilding to verify, but it might be a non-starter.

/Magnus
>
> Adrian
>
>> [1] https://bugs.openjdk.java.net/browse/JDK-8243998