[riscv-port-jdk11u:riscv-port] RFR: 8276799: Implementation of JEP 422: Linux/RISC-V Port [v4]

[Fei Yang]

On Tue, 5 Sep 2023 07:50:06 GMT, kuaiwei <duke at openjdk.org> wrote:

>> It's the initial patch based on https://github.com/openjdk/jdk17u-dev/pull/1427 , and revert patches not required in JDK11u. The testing is running on a linux riscv board. There are some failed cases and we are working on fix them , the progress will updated.
>> 
>> Thanks the contribution of OpenJDK community and hard working of @zhengxiaolinX .
>> 
>> - [x]  slowdebug/fastdebug/release build
>> - [x] Benchmark: SPECJbb2015, Renaissance
>> - [ ]  Tier1 tests
>> - [ ] Tier2 tests
>> - [ ] Tier3 tests
>> - [ ] Tier4 tests
>
> kuaiwei has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix copyright information

I checked and it seems that this contains fixes for the following two issues:
https://bugs.openjdk.org/browse/JDK-8282306: os::is_first_C_frame(frame*) crashes on invalid link access
https://bugs.openjdk.org/browse/JDK-8291952: riscv: Remove PRAGMA_NONNULL_IGNORED

Please relate this PR with these two issues. You can use the `issue` command: https://wiki.openjdk.org/display/SKARA/Pull+Request+Commands#PullRequestCommands-/issue

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PR Comment: https://git.openjdk.org/riscv-port-jdk11u/pull/3#issuecomment-1715452818