RFR: 8253795: Implementation of JEP 391: macOS/AArch64 Port [v9]

[Gerard Ziemski]

On Tue, 2 Feb 2021 22:09:58 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

>> Anton Kozlov has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   support macos_aarch64 in hsdis
>
> src/hotspot/os_cpu/bsd_aarch64/os_bsd_aarch64.cpp line 363:
> 
>> 361:     address pc = os::Posix::ucontext_get_pc(uc);
>> 362: 
>> 363:     if (pc != addr && uc->context_esr == 0x9200004F) { //TODO: figure out what this value means
> 
> Is this TODO going to be resolved by this port?

Where did this come from - some snippet/example/tech note code? Maybe other people can help figure it out if we provide more info.

> src/hotspot/os_cpu/bsd_aarch64/os_bsd_aarch64.cpp line 374:
> 
>> 372: 
>> 373:       last_addr = (address) -1;
>> 374:     } else if (pc == addr && uc->context_esr == 0x8200000f) { //TODO: figure out what this value means
> 
> Is this TODO going to be resolved by this port?

Where did this come from - some snippet/example/tech note code? Maybe other people can help figure it out if we provide more info.

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PR: https://git.openjdk.java.net/jdk/pull/2200