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EdkCompatibilityPkg: Enable new MS VA intrinsics for GNUC x86 64bits build 

Align EdkCompatibilityPkg with this change from MdePkg

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Tested-By: Liming Gao <liming.gao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Ard Biesheuvel 2016-07-17 12:11:32 +02:00
parent 48d5f9a551
commit 0676c285ba
1 changed files with 26 additions and 0 deletions
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26
EdkCompatibilityPkg/Foundation/Include/EfiStdArg.h
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@ -93,6 +93,30 @@ Abstract:
#define VA_COPY(Dest, Start) __va_copy (Dest, Start)
#elif defined(__GNUC__) && !defined(NO_BUILTIN_VA_FUNCS)
#if defined(MDE_CPU_X64) && !defined(NO_MSABI_VA_FUNCS)
//
// X64 only. Use MS ABI version of GCC built-in macros for variable argument lists.
//
///
/// Both GCC and LLVM 3.8 for X64 support new variable argument intrinsics for Microsoft ABI
///
///
/// Variable used to traverse the list of arguments. This type can vary by
/// implementation and could be an array or structure.
///
typedef __builtin_ms_va_list VA_LIST;
#define VA_START(Marker, Parameter) __builtin_ms_va_start (Marker, Parameter)
#define VA_ARG(Marker, TYPE) ((sizeof (TYPE) < sizeof (UINTN)) ? (TYPE)(__builtin_va_arg (Marker, UINTN)) : (TYPE)(__builtin_va_arg (Marker, TYPE)))
#define VA_END(Marker) __builtin_ms_va_end (Marker)
#define VA_COPY(Dest, Start) __builtin_ms_va_copy (Dest, Start)
#else
//
// Use GCC built-in macros for variable argument lists.
//
@ -111,6 +135,8 @@ typedef __builtin_va_list VA_LIST;
#define VA_COPY(Dest, Start) __builtin_va_copy (Dest, Start)
#endif
#else
#ifndef VA_START