Date: Thu, 21 May 2020 16:41:52 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Antoine Brodin <antoine@freebsd.org> Cc: jhb@freebsd.org, markj@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: r361303 - in head: lib/libc/gen libexec/rtld-elf sys/sys Message-ID: <20200521134152.GE64045@kib.kiev.ua> In-Reply-To: <CAALwa8mXfJZyRQ-Gx684mgoeTDZs14tEP26rJNqvh_rEiY18=Q@mail.gmail.com> References: <202005202208.04KM8QPA020707@repo.freebsd.org> <CAALwa8mXfJZyRQ-Gx684mgoeTDZs14tEP26rJNqvh_rEiY18=Q@mail.gmail.com>
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On Thu, May 21, 2020 at 03:02:07PM +0200, Antoine Brodin wrote: > On Thu, May 21, 2020 at 12:08 AM Konstantin Belousov <kib@freebsd.org> wrote: > > > > Author: kib > > Date: Wed May 20 22:08:26 2020 > > New Revision: 361303 > > URL: https://svnweb.freebsd.org/changeset/base/361303 > > > > Log: > > Change the samantic of struct link_map l_addr member. > > > > It previously returned the object map base address, while all other > > ELF operating systems return load offset, i.e. the difference between > > map base and the link base. > > > > Explain the meaning of the field in the man page. > > > > Stop filling the mips-only l_offs member, which is apparently unused. > > > > PR: 246561 > > Requested by: Damjan Jovanovic <damjan.jov@gmail.com> > > Reviewed by: emaste, jhb, cem (previous version) > > Sponsored by: The FreeBSD Foundation > > MFC after: 1 week > > Differential revision: https://reviews.freebsd.org/D24918 > > > > Modified: > > head/lib/libc/gen/dlinfo.3 > > head/libexec/rtld-elf/rtld.c > > head/sys/sys/link_elf.h > > Hi, > > After this commit, some ports fail to build with signal 11. > For instance lang/perl5.30 fails to build with default options (DTRACE on) > Disabling the DTRACE option makes it able to build again. > I see, thank you for reporting. So drti.c:dtrace_dof_init() does read l_addr, and the dtrace code assumes that l_addr is the base, not relocbase. Mark, was dofhp_addr initialization changed comparing to Solaris ?
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