RFR: 8259937: guarantee(loc != NULL) failed: missing saved register with native invoker [v2]

Fri Feb 12 12:22:39 UTC 2021

On Fri, 12 Feb 2021 10:41:18 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

> The code here looks ok. I'm slightly concerned about the consequences of adding a new stack frame visible to stack walking code. Does this have the potential to break serviceability code that reports and/or analyzes stack frames (whether that's code in OpenJDK or 3rd party code)?

Thanks for the review. The native invoker code is new in jdk 16 so it's unlikely tools already rely of some specific layout.

@iwanowww are you the author of the native invoker code? What do you think?

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PR: https://git.openjdk.java.net/jdk/pull/2528