MdePkg: Fix some typing errors in the header files

[mirror_edk2.git] / MdePkg / Include / Base.h

diff --git a/MdePkg/Include/Base.h b/MdePkg/Include/Base.h
index 858385828d933ff999677e83362f0b06493d15c1..c66614846488861ec71354df454e8d08d9fabca2 100644 (file)
--- a/MdePkg/Include/Base.h
+++ b/MdePkg/Include/Base.h
@@ -89,10 +89,11 @@ VERIFY_SIZE_OF (CHAR16, 2);
 // warnings.\r
 //\r
 #ifndef UNREACHABLE\r
-  #ifdef __GNUC__\r
+  #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 4)\r
     ///\r
     /// Signal compilers and analyzers that this call is not reachable.  It is\r
     /// up to the compiler to remove any code past that point.\r
+    /// Not implemented by GCC 4.4 or earlier.\r
     ///\r
     #define UNREACHABLE()  __builtin_unreachable ()\r
   #elif defined (__has_feature)\r
@@ -301,7 +302,7 @@ struct _LIST_ENTRY {
 \r
 //\r
 //  UEFI specification claims 1 and 0. We are concerned about the\r
-//  complier portability so we did it this way.\r
+//  compiler portability so we did it this way.\r
 //\r
 \r
 ///\r
@@ -588,7 +589,31 @@ struct _LIST_ENTRY {
 \r
 #define VA_COPY(Dest, Start)          __va_copy (Dest, Start)\r
 \r
-#elif defined(__GNUC__) && !defined(NO_BUILTIN_VA_FUNCS)\r
+#elif defined(__GNUC__)\r
+\r
+#if defined(MDE_CPU_X64) && !defined(NO_MSABI_VA_FUNCS)\r
+//\r
+// X64 only. Use MS ABI version of GCC built-in macros for variable argument lists.\r
+//\r
+///\r
+/// Both GCC and LLVM 3.8 for X64 support new variable argument intrinsics for Microsoft ABI\r
+///\r
+\r
+///\r
+/// Variable used to traverse the list of arguments. This type can vary by\r
+/// implementation and could be an array or structure.\r
+///\r
+typedef __builtin_ms_va_list VA_LIST;\r
+\r
+#define VA_START(Marker, Parameter)  __builtin_ms_va_start (Marker, Parameter)\r
+\r
+#define VA_ARG(Marker, TYPE)         ((sizeof (TYPE) < sizeof (UINTN)) ? (TYPE)(__builtin_va_arg (Marker, UINTN)) : (TYPE)(__builtin_va_arg (Marker, TYPE)))\r
+\r
+#define VA_END(Marker)               __builtin_ms_va_end (Marker)\r
+\r
+#define VA_COPY(Dest, Start)         __builtin_ms_va_copy (Dest, Start)\r
+\r
+#else\r
 //\r
 // Use GCC built-in macros for variable argument lists.\r
 //\r
@@ -607,6 +632,8 @@ typedef __builtin_va_list VA_LIST;
 \r
 #define VA_COPY(Dest, Start)         __builtin_va_copy (Dest, Start)\r
 \r
+#endif\r
+\r
 #else\r
 ///\r
 /// Variable used to traverse the list of arguments. This type can vary by\r