RFR: [XS] 8227171: provide function names in native stack trace on aix with xlc16

[Thomas Stüfe]

It's trivial IMHO. Ship it.

On Thu, Jul 4, 2019, 09:30 Baesken, Matthias <matthias.baesken at sap.com>
wrote:

> Hello, any more reviews ?
>
> May I push the change ?
>
>
>
> Best regards, Matthias
>
>
>
>
>
>
>
> *From:* Thomas Stüfe <thomas.stuefe at gmail.com>
> *Sent:* Mittwoch, 3. Juli 2019 14:09
> *To:* Baesken, Matthias <matthias.baesken at sap.com>
> *Cc:* build-dev at openjdk.java.net; ppc-aix-port-dev at openjdk.java.net
> *Subject:* Re: RFR: [XS] 8227171: provide function names in native stack
> trace on aix with xlc16
>
>
>
> Looks good and trivial. Thanks for fixing.
>
>
>
> ..Thomas
>
>
>
> On Wed, Jul 3, 2019 at 2:02 PM Baesken, Matthias <matthias.baesken at sap.com>
> wrote:
>
> Hello please review this small fix for AIX (needed  with  the new xlc16) .
>
> Currently  we miss function names in the hs_err file  :
>
> 0x0000000115098660 - 0x090000000f629a4c libjvm.so::<nameless
> function>+0x6c (C++ saves_lr stores_bc gpr_saved:4 )
> 0x00000001150986f0 - 0x09000000113594bc libjvm.so::<nameless
> function>+0x95c (C++ saves_lr stores_bc gpr_saved:18 )
>
> The output contains "nameless function"  instead of the  (member) function
> names .
> Looks like this unwanted behavior  was introduced when switching to the
> xlc16  compiler.
>
> With xlc16, it looks like we have to  configure  the traceback table
> generation to get the output we need.
>
> The -qtbtable=full   setting can be used for this _
>
>
> https://www.ibm.com/support/knowledgecenter/SSGH4D_16.1.0/com.ibm.xlf161.aix.doc/compiler_ref/tbtable.html
>
>
>
> Bug / webrev :
>
> https://bugs.openjdk.java.net/browse/JDK-8227171
>
> http://cr.openjdk.java.net/~mbaesken/webrevs/8227171.0/
>
>
> Thanks, Matthias
>
>