[Integrated] [lworld] RFR: 8244092: [lworld] TestC2CCalls segfaults in frame::sender_for_compiled_frame with ZGC

Tobias Hartmann thartmann at openjdk.java.net
Thu Apr 30 08:13:26 UTC 2020


On Wed, 29 Apr 2020 11:10:51 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> Stack slot containing real_frame_size is trashed by ZCG barrier code in scalarized entry of C1 compiled code. As a
> result, we crash during stack walking. We should re-set it before jumping to the verified entry. Also refactored the
> related code and added an assert to catch this.

This pull request has now been integrated.

Changeset: 75027977
Author:    Tobias Hartmann <thartmann at openjdk.org>
URL:       https://git.openjdk.java.net/valhalla/commit/75027977
Stats:     70 lines in 3 files changed: 37 ins; 25 del; 8 mod

8244092: [lworld] TestC2CCalls segfaults in frame::sender_for_compiled_frame with ZGC

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PR: https://git.openjdk.java.net/valhalla/pull/31


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