RFR: 8272586: emit abstract machine code in hs-err logs

[Vladimir Kozlov]

On Wed, 6 Oct 2021 15:22:58 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> This enhances hs-err logs to:
>> * Show the [abstract machine code](https://bugs.openjdk.java.net/browse/JDK-8213084) of the crashing frame if a disassembler is not installed.
>> * Show machine code for the top frames on the native stack.
>> 
>> An interpreter or stub frame is only shown if it is the crashing frame.
>> 
>> A sample of the enhanced hs-err log can be seen [here](https://bugs.openjdk.java.net/secure/attachment/96664/hs_err_pid7179.log).
>
> src/hotspot/share/utilities/vmError.cpp line 307:
> 
>> 305:         ResourceMark rm(thread);
>> 306:         Disassembler::decode(cb, st);
>> 307:         st->cr();
> 
> Why RM used only here?

I see that you copied existing code. Okay.

-------------

PR: https://git.openjdk.java.net/jdk/pull/5446