RFR: JDK-8189429: SA: MacOSX: Replace the deprecated PT_ATTACH with PT_ATTACHEXC

Sharath Ballal sharath.ballal at oracle.com
Mon Jun 25 08:22:10 UTC 2018

Hi Jini,

Changes in MacosxDebuggerLocal.m looks good.


-----Original Message-----
From: Jini George 
Sent: Sunday, June 24, 2018 11:07 PM
To: Erik Joelsson; serviceability-dev at openjdk.java.net; build-dev at openjdk.java.net; hotspot-runtime-dev at openjdk.java.net
Subject: Re: RFR: JDK-8189429: SA: MacOSX: Replace the deprecated PT_ATTACH with PT_ATTACHEXC

Hi Erik,

Thank you very much for looking into this. I have addressed your comments. The latest webrev is at:


Thank you,

On 6/23/2018 3:31 AM, Erik Joelsson wrote:
> Hello Jini,
> In general this looks pretty good, but it's also breaking some new 
> ground as it's adding generation of native source in the java gensrc 
> step. Mixing native code with the java code that the genrcs targets 
> and gensrc output directories are meant for seems ok for now, but may 
> cause trouble in the future. I'm going to accept it for now though.
> In Gensrc-jdk.hotspot.agent.gmk: Please put the new macosx stuff in 
> its own section (as delimited by the 80x # lines) and put that whole 
> thing inside a conditional for macosx. Also please break line 47 (for 
> recipe lines, indent with tab and 4 additional spaces for continuation [1]).
> In Lib-jdk.hotspot.agent.gmk: I believe adding extra src should be 
> enough as that will implicitly add the same directories as header dirs 
> by default. At least that's the intention.
> /Erik
> [1] http://openjdk.java.net/groups/build/doc/code-conventions.html
> On 2018-06-22 11:11, Jini George wrote:
>> Hi all,
>> [Including build-dev also since this includes build related changes].
>> Requesting reviews for:
>> https://bugs.openjdk.java.net/browse/JDK-8189429 (SA: MacOSX: Replace 
>> the deprecated PT_ATTACH with PT_ATTACHEXC)
>> Webrev: http://cr.openjdk.java.net/~jgeorge/8189429/webrev.04/
>> This is the follow-up solution for the temporary restoration of 
>> PT_ATTACH to fix https://bugs.openjdk.java.net/browse/JDK-8184042
>> (several serviceability/sa tests timed out on MacOS X), which was 
>> done in Oct 2017. The mails related to this are at:
>> http://mail.openjdk.java.net/pipermail/serviceability-dev/2017-August
>> /021702.html
>> Changes as compared to the patch sent last year
>> (http://cr.openjdk.java.net/~jgeorge/8184042/webrev.00/):
>> * Addressed the review comments which were provided by Poonam, Dan, 
>> Dmitry.
>> * A major change as compared to what was done last year is that the 
>> MIG generated files have been included as a part of the JDK build 
>> process.
>> * The test case which was provided in the patch last year is no 
>> longer required since we have ClhsdbAttach.java testing the same 
>> functionality as a part of the SA testsuite now.
>> * Other than that, some minor improvements have been done wrt error 
>> handling.
>> The steps for the proposed solution have been provided in JBS.
>> Testing: ALL the SA tests pass on MacOSX and the other Mach5 platforms.
>> Thanks to Sharath, Robin, Gerard and Dan for looking into the changes 
>> and providing valuable comments.
>> Thanks,
>> Jini.

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