svn commit: r294530 - head/sys/sys

[Renato Botelho]

> On Jan 21, 2016, at 18:44, Ed Maste <emaste at freebsd.org> wrote:
> 
> Author: emaste
> Date: Thu Jan 21 20:44:21 2016
> New Revision: 294530
> URL: https://svnweb.freebsd.org/changeset/base/294530
> 
> Log:
>  Add STB_GNU_UNIQUE symbol binding definition
> 
>  Red Hat created STB_GNU_UNIQUE to handle certain special cases relating
>  to dynamically loading C++ DSOs[1].
> 
>  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.
> 
>  [1] https://www.redhat.com/archives/posix-c++-wg/2009-August/msg00002.html
> 
>  MFC after:	1 week
>  Sponsored by:	The FreeBSD Foundation
> 
> Modified:
>  head/sys/sys/elf_common.h
> 
> Modified: head/sys/sys/elf_common.h
> ==============================================================================
> --- 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. */
> 
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--
Renato Botelho