Samer El-Haj-Mahmoud elhaj b15aae9f2e Fix X64 native function call prolog. Prepare space for at least 4 arguments,
even if the native function's arguments are less than 4.
 
From MSDN x64 Software Conventions, Overview of x64 Calling Conventions:
“The caller is responsible for allocating space for parameters to the
callee, and must always allocate sufficient space for the 4 register
parameters, even if the callee doesn’t have that many parameters.
This aids in the simplicity of supporting C unprototyped functions,
and vararg C/C++ functions.”
 
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Samer El-Haj-Mahmoud elhaj@hp.com 
Reviewed by: Jiewen Yao <Jiewen.Yao@intel.com>
Reviewed by: Feng Tian <Feng.Tian@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16152 6f19259b-4bc3-4df7-8a09-765794883524
2014-09-22 05:54:41 +00:00
2014-09-19 02:04:08 +00:00
2014-09-01 08:48:01 +00:00
Description
Acidanthera UEFI Development Kit based on EDK II edk2-stable202405
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