RFR: 8304915: Create jdk.internal.util.Architecture enum and apply [v15]

[Amit Kumar]

On Wed, 19 Apr 2023 13:22:54 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> Roger Riggs has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 17 commits:
>> 
>>  - Merge branch 'master' into 8304915-arch-enum
>>  - ArchTest on Debian RISC-V 64 confirmed by reviewer
>>  - Fixed isPPC64().
>>    Consolidated switch cases in ArchTest.
>>    Moved mapping of build TARGET_OS and TARGET_CPU to the build
>>    to avoid multiple mappings in more than one place.
>>  - Correct mapping and test of ppc64
>>  - Add ppc64 as mapping to PPC64 Architecture
>>  - Modified test to check Architecture is64bits() and isLittleEndian()
>>    against Unsafe respective values.
>>    Relocated code mapping OS name and arch name from PlatformProps to
>>    OperatingSystem and Architecture. Kept the mapping of names
>>    in the template close to where the values are filled in by the build.
>>  - Remove unused static and import of Stabile
>>  - Rename OperatingSystemProps to PlatformProps.
>>    Refactor OperatingSystem initialization to use strings instead of integers.
>>  - Revised mapping mechanism of build target architecture names to enum values.
>>    Unrecognized values from the build are mapped to enum value "OTHER".
>>    Renamed PPC64LE to PPC64 to reflect only the architecture, not the endianness.
>>    Added an `isLittleEndian` method to return the endianness (not currently used anywhere)
>>  - Revert changes to jdk.accessibility AccessBridge
>>  - ... and 7 more: https://git.openjdk.org/jdk/compare/8858d543...99a93b7e
>
> test/jdk/jdk/internal/util/ArchTest.java line 71:
> 
>> 69:             case "aarch64" -> AARCH64;
>> 70:             case "riscv64" -> RISCV64;
>> 71:             case "s390x", "s390" -> S390;  // unverified
> 
> This was also verified according to comments. Right, @offamitkumar?

Yes, you're correct @TheRealMDoerr

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PR Review Comment: https://git.openjdk.org/jdk/pull/13357#discussion_r1171580811