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Date:      Sat, 22 Aug 2020 16:36:51 +0200
From:      Dimitry Andric <dim@FreeBSD.org>
To:        Mark Johnston <markj@freebsd.org>
Cc:        Antoine Brodin <antoine@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all <svn-src-all@freebsd.org>, svn-src-head@freebsd.org
Subject:   Re: svn commit: r364438 - in head/cddl: contrib/opensolaris/lib/libdtrace/common usr.sbin/dtrace/tests/tools
Message-ID:  <6014626A-854A-4120-8127-ABFA43C1713D@FreeBSD.org>
In-Reply-To: <20200822142736.GA57199@raichu>
References:  <202008201928.07KJSJfP088877@repo.freebsd.org> <CAALwa8kHAFDfcjqtppY5--2riPKz3LK2zdEQDLD38KO7oybbQg@mail.gmail.com> <20200822142736.GA57199@raichu>

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On 22 Aug 2020, at 16:27, Mark Johnston <markj@freebsd.org> wrote:
>=20
> On Sat, Aug 22, 2020 at 12:40:49PM +0200, Antoine Brodin wrote:
>> On Thu, Aug 20, 2020 at 9:28 PM Mark Johnston <markj@freebsd.org> =
wrote:
>>>=20
>>> Author: markj
>>> Date: Thu Aug 20 19:28:19 2020
>>> New Revision: 364438
>>> URL: https://svnweb.freebsd.org/changeset/base/364438
>>>=20
>>> Log:
>>>  Enable creation of static userspace probes in incremental builds.
>>>=20
>>>  To define USDT probes, dtrace -G makes use of relocations for =
undefined
>>>  symbols: the target address is overwritten with NOPs and the =
location is
>>>  recorded in the DOF section of the output object file.  To avoid =
link
>>>  errors, the original relocation is destroyed.  However, this means =
that
>>>  the same input object file cannot be processed multiple times, as
>>>  happens during incremental rebuilds.  Instead, only set the =
relocation
>>>  type to NONE, so that all information required to reconstruct USDT
>>>  probes is preserved.
>>>=20
>>>  Reported by:  bdrewery
>>>  MFC after:    3 weeks
>>>  Sponsored by: The FreeBSD Foundation
>>>=20
>>> Modified:
>>>  head/cddl/contrib/opensolaris/lib/libdtrace/common/dt_link.c
>>>  head/cddl/contrib/opensolaris/lib/libdtrace/common/dt_strtab.c
>>>  head/cddl/contrib/opensolaris/lib/libdtrace/common/dt_strtab.h
>>>  head/cddl/usr.sbin/dtrace/tests/tools/exclude.sh
>>=20
>> Hi,
>>=20
>> This change seems broken on i386:
>>=20
>> =
http://beefy17.nyi.freebsd.org/data/head-i386-default/p545731_s364466/logs=
/perl5-devel-5.33.0.262.log
>> =
http://beefy17.nyi.freebsd.org/data/head-i386-default/p545731_s364466/logs=
/perl5.28-5.28.3.log
>> =
http://beefy17.nyi.freebsd.org/data/head-i386-default/p545731_s364466/logs=
/perl5.30-5.30.3.log
>> =
http://beefy17.nyi.freebsd.org/data/head-i386-default/p545731_s364466/logs=
/perl5-5.32.0.log
>=20
> The links are dead, but I think the problem should be fixed by =
r364483.

They work, but only over IPv6, unfortunately. :-)

-Dimitry


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