On 22 Aug 2020, at 16:27, Mark Johnston <ma...@freebsd.org> wrote: > > On Sat, Aug 22, 2020 at 12:40:49PM +0200, Antoine Brodin wrote: >> On Thu, Aug 20, 2020 at 9:28 PM Mark Johnston <ma...@freebsd.org> wrote: >>> >>> Author: markj >>> Date: Thu Aug 20 19:28:19 2020 >>> New Revision: 364438 >>> URL: https://svnweb.freebsd.org/changeset/base/364438 >>> >>> Log: >>> Enable creation of static userspace probes in incremental builds. >>> >>> 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. >>> >>> Reported by: bdrewery >>> MFC after: 3 weeks >>> Sponsored by: The FreeBSD Foundation >>> >>> 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 >> >> Hi, >> >> This change seems broken on i386: >> >> 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 > > 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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