From 4bc7d5b5ecd3a48dbf68848a8ebc3bea48decdbe Mon Sep 17 00:00:00 2001
From: Andrew Fish <afish@apple.com>
Date: Wed, 20 Aug 2014 17:58:46 +0000
Subject: [PATCH] MdePkg: Introduced BaseStackCheckLib

This library only support GCC, RVCT and XCode for now.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Andrew Fish <afish@apple.com>
Signed-off-by: Olivier Martin <olivier.martin@arm.com
Reviewed-by: Gao, Liming <liming.gao@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15851 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdePkg/MdePkg.dec | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
index bd5ce07269..743e7bdba8 100644
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -1553,6 +1553,10 @@
   #  The required memory space is decided by the value of PcdMaximumGuidedExtractHandler.
   gEfiMdePkgTokenSpaceGuid.PcdGuidedExtractHandlerTableAddress|0x1000000|UINT64|0x30001015
 
+  ## Canary value for the stack overflow protection. This PCD can be used by a firmware vendor
+  # or for debugging purposes to change the recommended value.
+  gEfiMdePkgTokenSpaceGuid.PcdBaseStackCanary|0x0AFF|UINT64|0x0000002A
+
 [PcdsFixedAtBuild.IPF]
   ## The base address of IO port space for IA64 arch
   gEfiMdePkgTokenSpaceGuid.PcdIoBlockBaseAddressForIpf|0x0ffffc000000|UINT64|0x0000000f