I think changing TCB will be changing the ABI.  So we don't want to do that I think.
Also have you thought about how TCB changes are going to change ILP32 too.  I am almost ready to submit the patches for ILP32 out for review on the binutils, glibc, gcc, and kernel lists.


Thanks,
Andrew

From: linaro-toolchain-bounces@lists.linaro.org <linaro-toolchain-bounces@lists.linaro.org> on behalf of Venkataramanan Kumar <venkataramanan.kumar@linaro.org>
Sent: Sunday, August 18, 2013 9:27 PM
To: Linaro Toolchain
Subject: [ACTIVITY] 12 - 16 August 2013
 
== Progress ==
* Libssp support for AArch64 TCWG 23:
  Understood the TCB datastructure. Sent a mail to the internal team on the
  changes needed and where to put stack gaurd slot in TCB.

  Got some comments from Matt. Worked on the changes in eglibc.
  Tested a simple stack smashing program in V8 model by moving
  the patched run time linker and glibc. Sent the RFC internally for review.

* 4 day week 15-August India naional holiday.

== Plan ==
 * Post RFC patch for Libssp support for AArch64 in GCC and glibc TCWG-23
 * Continue testing the patch for Libssp support for AArch64 in GCC and glibc TCWG-23
 * Backport and test revision 201406 to linaro branch.
 
== Issues ==
* LTO/PGO work stopped now since libssp support priority is more.
* Waiting for Marcus feedback for Matt comments on gprof patches TCWG-20.

Misc
------
23-August availing leave.