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[PATCH 3/N, MPX, x86_64] Intel MPX support in glibc for x86_64

From: "Zamyatin, Igor" <igor dot zamyatin at intel dot com>
To: "libc-alpha at sourceware dot org" <libc-alpha at sourceware dot org>
Cc: "hjl dot tools at gmail dot com" <hjl dot tools at gmail dot com>
Date: Wed, 19 Mar 2014 21:13:08 +0000
Subject: [PATCH 3/N, MPX, x86_64] Intel MPX support in glibc for x86_64
Authentication-results: sourceware.org; auth=none

Hi All!

Attached patch concludes (see the beginning here - http://sourceware.org/ml/libc-alpha/2014-03/msg00491.html, second patch - http://sourceware.org/ml/libc-alpha/2014-03/msg00543.html) adding support for Intel MPX in Glibc for x86_64. Current change adds storing and restoring of bound registers in _dl_x86_64_save_sse and _dl_x86_64_restore_sse.

Is it ok to install?

2014-03-19  Igor Zamyatin  <igor.zamyatin@intel.com>
 
	* sysdeps/x86_64/tls.h (tcbhead_t): Add rtld_savespace_bnd field.
	* sysdeps/x86_64/tcb-offsets.sym: Add RTLD_SAVESPACE_BND.
	* sysdeps/x86_64/dl-trampoline.S (_dl_x86_64_save_sse): Add preserving
	of the Intel MPX bound registers.
	(_dl_x86_64_restore_sse): Add restoring of the Intel MPX bound
	registers.

Attachment: mpx_glibc_bnds_store_restore_3.patch
Description: mpx_glibc_bnds_store_restore_3.patch

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