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Date:      Thu, 21 Jan 2016 19:00:42 -0200
From:      Renato Botelho <garga@FreeBSD.org>
To:        Ed Maste <emaste@freebsd.org>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r294530 - head/sys/sys
Message-ID:  <2651E939-BCCD-4013-A4EB-717CA2496563@FreeBSD.org>
In-Reply-To: <201601212044.u0LKiLL9077696@repo.freebsd.org>
References:  <201601212044.u0LKiLL9077696@repo.freebsd.org>

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> On Jan 21, 2016, at 18:44, Ed Maste <emaste@freebsd.org> wrote:
>=20
> Author: emaste
> Date: Thu Jan 21 20:44:21 2016
> New Revision: 294530
> URL: https://svnweb.freebsd.org/changeset/base/294530
>=20
> Log:
>  Add STB_GNU_UNIQUE symbol binding definition
>=20
>  Red Hat created STB_GNU_UNIQUE to handle certain special cases =
relating
>  to dynamically loading C++ DSOs[1].
>=20
>  We don't (currently) have support for STB_GNU_UNIQUE, but ought to
>  reserve the value in ELFNN_ST_BIND. This will also be used by an
>  upcoming ELF Tool Chain import.
>=20
>  [1] =
https://www.redhat.com/archives/posix-c++-wg/2009-August/msg00002.html
>=20
>  MFC after:	1 week
>  Sponsored by:	The FreeBSD Foundation
>=20
> Modified:
>  head/sys/sys/elf_common.h
>=20
> Modified: head/sys/sys/elf_common.h
> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
> --- head/sys/sys/elf_common.h	Thu Jan 21 19:19:24 2016	=
(r294529)
> +++ head/sys/sys/elf_common.h	Thu Jan 21 20:44:21 2016	=
(r294530)
> @@ -753,8 +753,9 @@ typedef struct {
> #define	STB_LOCAL	0	/* Local symbol */
> #define	STB_GLOBAL	1	/* Global symbol */
> #define	STB_WEAK	2	/* like global - lower =
precedence */
> -#define	STB_LOOS	10	/* Reserved range for operating =
system */
> -#define	STB_HIOS	12	/*   specific semantics. */
> +#define	STB_LOOS	10	/* Start of operating system =
reserved range. */
> +#define	STB_GNU_UNIQUE	10	/* Unique symbol (GNU) */

Looks like you meant to use 11 here, no?

> +#define	STB_HIOS	12	/* End of operating system =
reserved range. */
> #define	STB_LOPROC	13	/* reserved range for processor =
*/
> #define	STB_HIPROC	15	/*   specific semantics. */
>=20
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--
Renato Botelho




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