RFR: 8286058: AArch64: clarify uses of MacroAssembler::trampoline_call [v2]

Fri May 6 09:13:48 UTC 2022

On Fri, 6 May 2022 08:00:22 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Evgeny Astigeevich has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix assert message
>
> src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp line 1103:
> 
>> 1101:   //
>> 1102:   // Trampoline_call is most suitable for calls of Java methods. Java calls callees can be changed
>> 1103:   // to the interpreter or different versions of a compiled method. Those callees can be
> 
> This is not true. Trampoline calls are needed for calls to the runtime too.

Why? What are the cases? This is not clear from sources.

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PR: https://git.openjdk.java.net/jdk/pull/8564