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List: openjdk-hotspot-dev
Subject: Re: [aarch64-port-dev ] RFR: 8209414: AArch64: method handle invocation does not respect JVMTI inter
From: "Yangfei (Felix)" <felix.yang () huawei ! com>
Date: 2018-12-20 1:20:27
Message-ID: DA41BE1DDCA941489001C7FBD7A8820ED5F3A9D5 () dggeml527-mbx ! china ! huawei ! com
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Hi,
Previously, I saw the following ones that may deserve a backport: 8191955, \
8202186, 8194256 and 8195588. I will add this one to the list. Please point out if \
I missed anyone.
Thanks,
Felix
>
> On 12/19/18 7:31 AM, Nick Gasson (Arm Technology China) wrote:
> > In MethodHandles::jump_from_method_handle the test on the value of the
> > _interp_only_mode thread field is wrong: if this is non-zero we are
> > tracing or single stepping with JVMTI and should always branch to the
> > interpreted entry, to ensure the JVMTI method entry/exit hooks are
> > called. But in the AArch64 version we branch to the interpreted entry if
> > this value is *zero*, which is backwards.
>
> Ouch. That's my fault.
>
> This one merits a backport, I think. Is anyone keeping track of which
> patches must be backported to jdk8?
>
> --
> Andrew Haley
> Java Platform Lead Engineer
> Red Hat UK Ltd. <https://www.redhat.com>
> EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
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