Date: Fri, 7 Jan 2011 19:26:04 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Ben Kaduk <minimarmot@gmail.com> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r217097 - in head/sys: amd64/include arm/include i386/include ia64/include mips/include powerpc/include sparc64/include sun4v/include Message-ID: <20110107172604.GC12599@deviant.kiev.zoral.com.ua> In-Reply-To: <AANLkTinXfzA4wxWJ5X0i_0dHx7Gag2dAfE0CZgP9D7gh@mail.gmail.com> References: <201101071422.p07EMYlP055071@svn.freebsd.org> <AANLkTinXfzA4wxWJ5X0i_0dHx7Gag2dAfE0CZgP9D7gh@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
[-- Attachment #1 --] On Fri, Jan 07, 2011 at 12:02:55PM -0500, Ben Kaduk wrote: > On Fri, Jan 7, 2011 at 9:22 AM, Konstantin Belousov <kib@freebsd.org> wrote: > > Author: kib > > Date: Fri Jan 7 14:22:34 2011 > > New Revision: 217097 > > URL: http://svn.freebsd.org/changeset/base/217097 > > > > Log: > > Add AT_STACKPROT elf aux vector. Will be used to inform rtld about the > > initial stack protection set by the kernel image activator. > > > ============================================================================== > > --- head/sys/amd64/include/elf.h Fri Jan 7 14:17:29 2011 (r217096) > > +++ head/sys/amd64/include/elf.h Fri Jan 7 14:22:34 2011 (r217097) > > @@ -94,8 +94,9 @@ __ElfType(Auxinfo); > > #define AT_NCPUS 19 /* Number of CPUs. */ > > #define AT_PAGESIZES 20 /* Pagesizes. */ > > #define AT_PAGESIZESLEN 21 /* Number of pagesizes. */ > > +#define AT_STACKPROT 23 /* Initial stack protection. */ > > > > -#define AT_COUNT 22 /* Count of defined aux entry types. */ > > +#define AT_COUNT 24 /* Count of defined aux entry types. */ > > > Is there a reason to skip 22? Yes, I can swear that I saw the reference that stated that even aux vector types are used for Elf_Auxinfo.a_un.a_ptr, and odd are for a_val. I already received a private inquiry about the same issue, probably had to note this in the commit message. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk0nTKsACgkQC3+MBN1Mb4i1RgCg3dyYIrpd6/gjKcqNEAQOZoKD g/kAoKsfMgou+N9neVYekaMg8c9X/i/L =Aas4 -----END PGP SIGNATURE-----
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20110107172604.GC12599>